Merge git://git.kernel.org/pub/scm/linux/kernel/git/bart/ide-2.6

* git://git.kernel.org/pub/scm/linux/kernel/git/bart/ide-2.6: (71 commits)
  ide: Remove ide_spin_wait_hwgroup() and use special requests instead
  ide: move IDE{FLOPPY,TAPE}_WAIT_CMD defines to <linux/ide.h>
  ide: add ide_do_test_unit_ready() helper
  ide: add ide_do_start_stop() helper
  ide: add ide_set_media_lock() helper
  ide-floppy: move floppy ioctls handling to ide-floppy_ioctl.c
  ide-floppy: ->{srfp,wp} -> IDE_AFLAG_{SRFP,WP}
  ide: add ide_queue_pc_tail() helper
  ide: add ide_queue_pc_head() helper
  ide: add ide_init_pc() helper
  ide-tape: add ide_tape_set_media_lock() helper
  ide-floppy: add ide_floppy_set_media_lock() helper
  ide: add ide_io_buffers() helper
  ide-scsi: cleanup ide_scsi_io_buffers()
  ide-floppy: remove MODE_SENSE_* defines
  ide-{floppy,tape}: remove packet command stack
  ide-{floppy,tape}: remove request stack
  ide-generic: handle probing of legacy io-ports v5
  ide-floppy: use scatterlists for pio transfers
  ide-tape: remove idetape_init_rq()
  ...

75 files changed, 2388 insertions, 2566 deletions

diff --git a/drivers/ata/libata-scsi.c b/drivers/ata/libata-scsi.c
index 59fe051957ef..5d312dc9be9f 100644
--- a/drivers/ata/libata-scsi.c
+++ b/drivers/ata/libata-scsi.c
@@ -503,7 +503,7 @@ int ata_cmd_ioctl(struct scsi_device *scsidev, void __user *arg)
         scsi_cmd[0] = ATA_16;
 
         scsi_cmd[4] = args[2];
-        if (args[0] == WIN_SMART) { /* hack -- ide driver does this too... */
+        if (args[0] == ATA_CMD_SMART) { /* hack -- ide driver does this too */
                 scsi_cmd[6]  = args[3];
                 scsi_cmd[8]  = args[1];
                 scsi_cmd[10] = 0x4f;
diff --git a/drivers/block/hd.c b/drivers/block/hd.c
index 682243bf2e46..482c0c4b964f 100644
--- a/drivers/block/hd.c
+++ b/drivers/block/hd.c
@@ -39,6 +39,7 @@
 #include <linux/ioport.h>
 #include <linux/init.h>
 #include <linux/blkpg.h>
+#include <linux/ata.h>
 #include <linux/hdreg.h>
 
 #define REALLY_SLOW_IO
@@ -370,7 +371,7 @@ repeat:
                 struct hd_i_struct *disk = &hd_info[i];
                 disk->special_op = disk->recalibrate = 1;
                 hd_out(disk, disk->sect, disk->sect, disk->head-1,
-                        disk->cyl, WIN_SPECIFY, &reset_hd);
+                        disk->cyl, ATA_CMD_INIT_DEV_PARAMS, &reset_hd);
                 if (reset)
                         goto repeat;
         } else
@@ -558,7 +559,7 @@ static int do_special_op(struct hd_i_struct *disk, struct request *req)
 {
         if (disk->recalibrate) {
                 disk->recalibrate = 0;
-                hd_out(disk, disk->sect, 0, 0, 0, WIN_RESTORE, &recal_intr);
+                hd_out(disk, disk->sect, 0, 0, 0, ATA_CMD_RESTORE, &recal_intr);
                 return reset;
         }
         if (disk->head > 16) {
@@ -631,13 +632,13 @@ repeat:
         if (blk_fs_request(req)) {
                 switch (rq_data_dir(req)) {
                 case READ:
-                        hd_out(disk, nsect, sec, head, cyl, WIN_READ,
+                        hd_out(disk, nsect, sec, head, cyl, ATA_CMD_PIO_READ,
                                 &read_intr);
                         if (reset)
                                 goto repeat;
                         break;
                 case WRITE:
-                        hd_out(disk, nsect, sec, head, cyl, WIN_WRITE,
+                        hd_out(disk, nsect, sec, head, cyl, ATA_CMD_PIO_WRITE,
                                 &write_intr);
                         if (reset)
                                 goto repeat;
diff --git a/drivers/ide/Kconfig b/drivers/ide/Kconfig
index 052879a6f853..b50b5dac95b0 100644
--- a/drivers/ide/Kconfig
+++ b/drivers/ide/Kconfig
@@ -131,29 +131,6 @@ config BLK_DEV_IDEDISK
 
           If unsure, say Y.
 
-config IDEDISK_MULTI_MODE
-        bool "Use multiple sector mode for Programmed Input/Output by default"
-        help
-          This setting is irrelevant for most IDE disks, with direct memory
-          access, to which multiple sector mode does not apply. Multiple sector
-          mode is a feature of most modern IDE hard drives, permitting the
-          transfer of multiple sectors per Programmed Input/Output interrupt,
-          rather than the usual one sector per interrupt. When this feature is
-          enabled, it can reduce operating system overhead for disk Programmed
-          Input/Output. On some systems, it also can increase the data
-          throughput of Programmed Input/Output. Some drives, however, seemed
-          to run slower with multiple sector mode enabled. Some drives claimed
-          to support multiple sector mode, but lost data at some settings.
-          Under rare circumstances, such failures could result in massive
-          filesystem corruption.
-
-          If you get the following error, try to say Y here:
-
-          hda: set_multmode: status=0x51 { DriveReady SeekComplete Error }
-          hda: set_multmode: error=0x04 { DriveStatusError }
-
-          If in doubt, say N.
-
 config BLK_DEV_IDECS
         tristate "PCMCIA IDE support"
         depends on PCMCIA
diff --git a/drivers/ide/Makefile b/drivers/ide/Makefile
index 64e0ecdc4ed5..308b8a12f314 100644
--- a/drivers/ide/Makefile
+++ b/drivers/ide/Makefile
@@ -4,8 +4,8 @@
 
 EXTRA_CFLAGS                            += -Idrivers/ide
 
-ide-core-y += ide.o ide-io.o ide-iops.o ide-lib.o ide-probe.o ide-taskfile.o \
-              ide-pio-blacklist.o
+ide-core-y += ide.o ide-ioctls.o ide-io.o ide-iops.o ide-lib.o ide-probe.o \
+              ide-taskfile.o ide-pio-blacklist.o
 
 # core IDE code
 ide-core-$(CONFIG_IDE_TIMINGS)          += ide-timings.o
@@ -37,11 +37,12 @@ obj-$(CONFIG_IDE_GENERIC)		+= ide-generic.o
 obj-$(CONFIG_BLK_DEV_IDEPNP)            += ide-pnp.o
 
 ide-cd_mod-y += ide-cd.o ide-cd_ioctl.o ide-cd_verbose.o
+ide-floppy_mod-y += ide-floppy.o ide-floppy_ioctl.o
 
 obj-$(CONFIG_BLK_DEV_IDEDISK)           += ide-disk.o
 obj-$(CONFIG_BLK_DEV_IDECD)             += ide-cd_mod.o
+obj-$(CONFIG_BLK_DEV_IDEFLOPPY)         += ide-floppy_mod.o
 obj-$(CONFIG_BLK_DEV_IDETAPE)           += ide-tape.o
-obj-$(CONFIG_BLK_DEV_IDEFLOPPY)         += ide-floppy.o
 
 ifeq ($(CONFIG_BLK_DEV_IDECS), y)
         ide-cs-core-y += legacy/ide-cs.o
diff --git a/drivers/ide/arm/icside.c b/drivers/ide/arm/icside.c
index df4af4083954..70f5b164828b 100644
--- a/drivers/ide/arm/icside.c
+++ b/drivers/ide/arm/icside.c
@@ -10,7 +10,6 @@
 #include <linux/slab.h>
 #include <linux/blkdev.h>
 #include <linux/errno.h>
-#include <linux/hdreg.h>
 #include <linux/ide.h>
 #include <linux/dma-mapping.h>
 #include <linux/device.h>
@@ -265,8 +264,8 @@ static void icside_set_dma_mode(ide_drive_t *drive, const u8 xfer_mode)
          * If we're going to be doing MW_DMA_1 or MW_DMA_2, we should
          * take care to note the values in the ID...
          */
-        if (use_dma_info && drive->id->eide_dma_time > cycle_time)
-                cycle_time = drive->id->eide_dma_time;
+        if (use_dma_info && drive->id[ATA_ID_EIDE_DMA_TIME] > cycle_time)
+                cycle_time = drive->id[ATA_ID_EIDE_DMA_TIME];
 
         drive->drive_data = cycle_time;
 
diff --git a/drivers/ide/arm/palm_bk3710.c b/drivers/ide/arm/palm_bk3710.c
index 4fd91dcf1dc2..122ed3c072fd 100644
--- a/drivers/ide/arm/palm_bk3710.c
+++ b/drivers/ide/arm/palm_bk3710.c
@@ -27,7 +27,6 @@
 #include <linux/module.h>
 #include <linux/kernel.h>
 #include <linux/ioport.h>
-#include <linux/hdreg.h>
 #include <linux/ide.h>
 #include <linux/delay.h>
 #include <linux/init.h>
@@ -180,7 +179,7 @@ static void palm_bk3710_setpiomode(void __iomem *base, ide_drive_t *mate,
         val32 |= (t2i << (dev ? 8 : 0));
         writel(val32, base + BK3710_DATRCVR);
 
-        if (mate && mate->present) {
+        if (mate) {
                 u8 mode2 = ide_get_best_pio_mode(mate, 255, 4);
 
                 if (mode2 < mode)
@@ -213,7 +212,8 @@ static void palm_bk3710_set_dma_mode(ide_drive_t *drive, u8 xferspeed)
                 palm_bk3710_setudmamode(base, is_slave,
                                         xferspeed - XFER_UDMA_0);
         } else {
-                palm_bk3710_setdmamode(base, is_slave, drive->id->eide_dma_min,
+                palm_bk3710_setdmamode(base, is_slave,
+                                       drive->id[ATA_ID_EIDE_DMA_MIN],
                                        xferspeed);
         }
 }
@@ -229,7 +229,7 @@ static void palm_bk3710_set_pio_mode(ide_drive_t *drive, u8 pio)
          * Obtain the drive PIO data for tuning the Palm Chip registers
          */
         cycle_time = ide_pio_cycle_time(drive, pio);
-        mate = ide_get_paired_drive(drive);
+        mate = ide_get_pair_dev(drive);
         palm_bk3710_setpiomode(base, mate, is_slave, cycle_time, pio);
 }
 
diff --git a/drivers/ide/ide-acpi.c b/drivers/ide/ide-acpi.c
index 6f704628c27d..2427c380b3dc 100644
--- a/drivers/ide/ide-acpi.c
+++ b/drivers/ide/ide-acpi.c
@@ -584,7 +584,7 @@ void ide_acpi_get_timing(ide_hwif_t *hwif)
  * This function executes the _STM ACPI method for the target channel.
  *
  * _STM requires Identify Drive data, which has to passed as an argument.
- * Unfortunately hd_driveid is a mangled version which we can't readily
+ * Unfortunately drive->id is a mangled version which we can't readily
  * use; hence we'll get the information afresh.
  */
 void ide_acpi_push_timing(ide_hwif_t *hwif)
@@ -614,10 +614,10 @@ void ide_acpi_push_timing(ide_hwif_t *hwif)
         in_params[0].buffer.length = sizeof(struct GTM_buffer);
         in_params[0].buffer.pointer = (u8 *)&hwif->acpidata->gtm;
         in_params[1].type = ACPI_TYPE_BUFFER;
-        in_params[1].buffer.length = sizeof(struct hd_driveid);
+        in_params[1].buffer.length = sizeof(ATA_ID_WORDS * 2);
         in_params[1].buffer.pointer = (u8 *)&master->idbuff;
         in_params[2].type = ACPI_TYPE_BUFFER;
-        in_params[2].buffer.length = sizeof(struct hd_driveid);
+        in_params[2].buffer.length = sizeof(ATA_ID_WORDS * 2);
         in_params[2].buffer.pointer = (u8 *)&slave->idbuff;
         /* Output buffer: _STM has no output */
 
diff --git a/drivers/ide/ide-atapi.c b/drivers/ide/ide-atapi.c
index adf04f99cdeb..608c5bade929 100644
--- a/drivers/ide/ide-atapi.c
+++ b/drivers/ide/ide-atapi.c
@@ -14,12 +14,201 @@
 #define debug_log(fmt, args...) do {} while (0)
 #endif
 
+/*
+ * Check whether we can support a device,
+ * based on the ATAPI IDENTIFY command results.
+ */
+int ide_check_atapi_device(ide_drive_t *drive, const char *s)
+{
+        u16 *id = drive->id;
+        u8 gcw[2], protocol, device_type, removable, drq_type, packet_size;
+
+        *((u16 *)&gcw) = id[ATA_ID_CONFIG];
+
+        protocol    = (gcw[1] & 0xC0) >> 6;
+        device_type =  gcw[1] & 0x1F;
+        removable   = (gcw[0] & 0x80) >> 7;
+        drq_type    = (gcw[0] & 0x60) >> 5;
+        packet_size =  gcw[0] & 0x03;
+
+#ifdef CONFIG_PPC
+        /* kludge for Apple PowerBook internal zip */
+        if (drive->media == ide_floppy && device_type == 5 &&
+            !strstr((char *)&id[ATA_ID_PROD], "CD-ROM") &&
+            strstr((char *)&id[ATA_ID_PROD], "ZIP"))
+                device_type = 0;
+#endif
+
+        if (protocol != 2)
+                printk(KERN_ERR "%s: %s: protocol (0x%02x) is not ATAPI\n",
+                        s, drive->name, protocol);
+        else if ((drive->media == ide_floppy && device_type != 0) ||
+                 (drive->media == ide_tape && device_type != 1))
+                printk(KERN_ERR "%s: %s: invalid device type (0x%02x)\n",
+                        s, drive->name, device_type);
+        else if (removable == 0)
+                printk(KERN_ERR "%s: %s: the removable flag is not set\n",
+                        s, drive->name);
+        else if (drive->media == ide_floppy && drq_type == 3)
+                printk(KERN_ERR "%s: %s: sorry, DRQ type (0x%02x) not "
+                        "supported\n", s, drive->name, drq_type);
+        else if (packet_size != 0)
+                printk(KERN_ERR "%s: %s: packet size (0x%02x) is not 12 "
+                        "bytes\n", s, drive->name, packet_size);
+        else
+                return 1;
+        return 0;
+}
+EXPORT_SYMBOL_GPL(ide_check_atapi_device);
+
+/* PIO data transfer routine using the scatter gather table. */
+int ide_io_buffers(ide_drive_t *drive, struct ide_atapi_pc *pc,
+                    unsigned int bcount, int write)
+{
+        ide_hwif_t *hwif = drive->hwif;
+        const struct ide_tp_ops *tp_ops = hwif->tp_ops;
+        xfer_func_t *xf = write ? tp_ops->output_data : tp_ops->input_data;
+        struct scatterlist *sg = pc->sg;
+        char *buf;
+        int count, done = 0;
+
+        while (bcount) {
+                count = min(sg->length - pc->b_count, bcount);
+
+                if (PageHighMem(sg_page(sg))) {
+                        unsigned long flags;
+
+                        local_irq_save(flags);
+                        buf = kmap_atomic(sg_page(sg), KM_IRQ0) + sg->offset;
+                        xf(drive, NULL, buf + pc->b_count, count);
+                        kunmap_atomic(buf - sg->offset, KM_IRQ0);
+                        local_irq_restore(flags);
+                } else {
+                        buf = sg_virt(sg);
+                        xf(drive, NULL, buf + pc->b_count, count);
+                }
+
+                bcount -= count;
+                pc->b_count += count;
+                done += count;
+
+                if (pc->b_count == sg->length) {
+                        if (!--pc->sg_cnt)
+                                break;
+                        pc->sg = sg = sg_next(sg);
+                        pc->b_count = 0;
+                }
+        }
+
+        if (bcount) {
+                printk(KERN_ERR "%s: %d leftover bytes, %s\n", drive->name,
+                        bcount, write ? "padding with zeros"
+                                      : "discarding data");
+                ide_pad_transfer(drive, write, bcount);
+        }
+
+        return done;
+}
+EXPORT_SYMBOL_GPL(ide_io_buffers);
+
+void ide_init_pc(struct ide_atapi_pc *pc)
+{
+        memset(pc, 0, sizeof(*pc));
+        pc->buf = pc->pc_buf;
+        pc->buf_size = IDE_PC_BUFFER_SIZE;
+}
+EXPORT_SYMBOL_GPL(ide_init_pc);
+
+/*
+ * Generate a new packet command request in front of the request queue, before
+ * the current request, so that it will be processed immediately, on the next
+ * pass through the driver.
+ */
+void ide_queue_pc_head(ide_drive_t *drive, struct gendisk *disk,
+                       struct ide_atapi_pc *pc, struct request *rq)
+{
+        blk_rq_init(NULL, rq);
+        rq->cmd_type = REQ_TYPE_SPECIAL;
+        rq->cmd_flags |= REQ_PREEMPT;
+        rq->buffer = (char *)pc;
+        rq->rq_disk = disk;
+        memcpy(rq->cmd, pc->c, 12);
+        if (drive->media == ide_tape)
+                rq->cmd[13] = REQ_IDETAPE_PC1;
+        ide_do_drive_cmd(drive, rq);
+}
+EXPORT_SYMBOL_GPL(ide_queue_pc_head);
+
+/*
+ * Add a special packet command request to the tail of the request queue,
+ * and wait for it to be serviced.
+ */
+int ide_queue_pc_tail(ide_drive_t *drive, struct gendisk *disk,
+                      struct ide_atapi_pc *pc)
+{
+        struct request *rq;
+        int error;
+
+        rq = blk_get_request(drive->queue, READ, __GFP_WAIT);
+        rq->cmd_type = REQ_TYPE_SPECIAL;
+        rq->buffer = (char *)pc;
+        memcpy(rq->cmd, pc->c, 12);
+        if (drive->media == ide_tape)
+                rq->cmd[13] = REQ_IDETAPE_PC1;
+        error = blk_execute_rq(drive->queue, disk, rq, 0);
+        blk_put_request(rq);
+
+        return error;
+}
+EXPORT_SYMBOL_GPL(ide_queue_pc_tail);
+
+int ide_do_test_unit_ready(ide_drive_t *drive, struct gendisk *disk)
+{
+        struct ide_atapi_pc pc;
+
+        ide_init_pc(&pc);
+        pc.c[0] = TEST_UNIT_READY;
+
+        return ide_queue_pc_tail(drive, disk, &pc);
+}
+EXPORT_SYMBOL_GPL(ide_do_test_unit_ready);
+
+int ide_do_start_stop(ide_drive_t *drive, struct gendisk *disk, int start)
+{
+        struct ide_atapi_pc pc;
+
+        ide_init_pc(&pc);
+        pc.c[0] = START_STOP;
+        pc.c[4] = start;
+
+        if (drive->media == ide_tape)
+                pc.flags |= PC_FLAG_WAIT_FOR_DSC;
+
+        return ide_queue_pc_tail(drive, disk, &pc);
+}
+EXPORT_SYMBOL_GPL(ide_do_start_stop);
+
+int ide_set_media_lock(ide_drive_t *drive, struct gendisk *disk, int on)
+{
+        struct ide_atapi_pc pc;
+
+        if (drive->atapi_flags & IDE_AFLAG_NO_DOORLOCK)
+                return 0;
+
+        ide_init_pc(&pc);
+        pc.c[0] = ALLOW_MEDIUM_REMOVAL;
+        pc.c[4] = on;
+
+        return ide_queue_pc_tail(drive, disk, &pc);
+}
+EXPORT_SYMBOL_GPL(ide_set_media_lock);
+
 /* TODO: unify the code thus making some arguments go away */
 ide_startstop_t ide_pc_intr(ide_drive_t *drive, struct ide_atapi_pc *pc,
         ide_handler_t *handler, unsigned int timeout, ide_expiry_t *expiry,
         void (*update_buffers)(ide_drive_t *, struct ide_atapi_pc *),
         void (*retry_pc)(ide_drive_t *), void (*dsc_handle)(ide_drive_t *),
-        void (*io_buffers)(ide_drive_t *, struct ide_atapi_pc *, unsigned, int))
+        int (*io_buffers)(ide_drive_t *, struct ide_atapi_pc *, unsigned, int))
 {
         ide_hwif_t *hwif = drive->hwif;
         struct request *rq = hwif->hwgroup->rq;
@@ -41,7 +230,7 @@ ide_startstop_t ide_pc_intr(ide_drive_t *drive, struct ide_atapi_pc *pc,
 
         if (pc->flags & PC_FLAG_DMA_IN_PROGRESS) {
                 if (hwif->dma_ops->dma_end(drive) ||
-                    (drive->media == ide_tape && !scsi && (stat & ERR_STAT))) {
+                    (drive->media == ide_tape && !scsi && (stat & ATA_ERR))) {
                         if (drive->media == ide_floppy && !scsi)
                                 printk(KERN_ERR "%s: DMA %s error\n",
                                         drive->name, rq_data_dir(pc->rq)
@@ -56,7 +245,7 @@ ide_startstop_t ide_pc_intr(ide_drive_t *drive, struct ide_atapi_pc *pc,
         }
 
         /* No more interrupts */
-        if ((stat & DRQ_STAT) == 0) {
+        if ((stat & ATA_DRQ) == 0) {
                 debug_log("Packet command completed, %d bytes transferred\n",
                           pc->xferred);
 
@@ -65,10 +254,10 @@ ide_startstop_t ide_pc_intr(ide_drive_t *drive, struct ide_atapi_pc *pc,
                 local_irq_enable_in_hardirq();
 
                 if (drive->media == ide_tape && !scsi &&
-                    (stat & ERR_STAT) && rq->cmd[0] == REQUEST_SENSE)
-                        stat &= ~ERR_STAT;
+                    (stat & ATA_ERR) && rq->cmd[0] == REQUEST_SENSE)
+                        stat &= ~ATA_ERR;
 
-                if ((stat & ERR_STAT) || (pc->flags & PC_FLAG_DMA_ERROR)) {
+                if ((stat & ATA_ERR) || (pc->flags & PC_FLAG_DMA_ERROR)) {
                         /* Error detected */
                         debug_log("%s: I/O error\n", drive->name);
 
@@ -95,7 +284,7 @@ ide_startstop_t ide_pc_intr(ide_drive_t *drive, struct ide_atapi_pc *pc,
 cmd_finished:
                 pc->error = 0;
                 if ((pc->flags & PC_FLAG_WAIT_FOR_DSC) &&
-                    (stat & SEEK_STAT) == 0) {
+                    (stat & ATA_DSC) == 0) {
                         dsc_handle(drive);
                         return ide_stopped;
                 }
@@ -117,17 +306,18 @@ cmd_finished:
         /* Get the number of bytes to transfer on this interrupt. */
         ide_read_bcount_and_ireason(drive, &bcount, &ireason);
 
-        if (ireason & CD) {
+        if (ireason & ATAPI_COD) {
                 printk(KERN_ERR "%s: CoD != 0 in %s\n", drive->name, __func__);
                 return ide_do_reset(drive);
         }
 
-        if (((ireason & IO) == IO) == !!(pc->flags & PC_FLAG_WRITING)) {
+        if (((ireason & ATAPI_IO) == ATAPI_IO) ==
+                !!(pc->flags & PC_FLAG_WRITING)) {
                 /* Hopefully, we will never get here */
                 printk(KERN_ERR "%s: We wanted to %s, but the device wants us "
                                 "to %s!\n", drive->name,
-                                (ireason & IO) ? "Write" : "Read",
-                                (ireason & IO) ? "Read" : "Write");
+                                (ireason & ATAPI_IO) ? "Write" : "Read",
+                                (ireason & ATAPI_IO) ? "Read" : "Write");
                 return ide_do_reset(drive);
         }
 
@@ -171,9 +361,14 @@ cmd_finished:
 
         if ((drive->media == ide_floppy && !scsi && !pc->buf) ||
             (drive->media == ide_tape && !scsi && pc->bh) ||
-            (scsi && pc->sg))
-                io_buffers(drive, pc, bcount, !!(pc->flags & PC_FLAG_WRITING));
-        else
+            (scsi && pc->sg)) {
+                int done = io_buffers(drive, pc, bcount,
+                                  !!(pc->flags & PC_FLAG_WRITING));
+
+                /* FIXME: don't do partial completions */
+                if (drive->media == ide_floppy && !scsi)
+                        ide_end_request(drive, 1, done >> 9);
+        } else
                 xferfunc(drive, NULL, pc->cur_pos, bcount);
 
         /* Update the current position */
@@ -205,7 +400,8 @@ static u8 ide_wait_ireason(ide_drive_t *drive, u8 ireason)
 {
         int retries = 100;
 
-        while (retries-- && ((ireason & CD) == 0 || (ireason & IO))) {
+        while (retries-- && ((ireason & ATAPI_COD) == 0 ||
+                (ireason & ATAPI_IO))) {
                 printk(KERN_ERR "%s: (IO,CoD != (0,1) while issuing "
                                 "a packet command, retrying\n", drive->name);
                 udelay(100);
@@ -214,8 +410,8 @@ static u8 ide_wait_ireason(ide_drive_t *drive, u8 ireason)
                         printk(KERN_ERR "%s: (IO,CoD != (0,1) while issuing "
                                         "a packet command, ignoring\n",
                                         drive->name);
-                        ireason |= CD;
-                        ireason &= ~IO;
+                        ireason |= ATAPI_COD;
+                        ireason &= ~ATAPI_IO;
                 }
         }
 
@@ -231,7 +427,7 @@ ide_startstop_t ide_transfer_pc(ide_drive_t *drive, struct ide_atapi_pc *pc,
         ide_startstop_t startstop;
         u8 ireason;
 
-        if (ide_wait_stat(&startstop, drive, DRQ_STAT, BUSY_STAT, WAIT_READY)) {
+        if (ide_wait_stat(&startstop, drive, ATA_DRQ, ATA_BUSY, WAIT_READY)) {
                 printk(KERN_ERR "%s: Strange, packet command initiated yet "
                                 "DRQ isn't asserted\n", drive->name);
                 return startstop;
@@ -241,7 +437,7 @@ ide_startstop_t ide_transfer_pc(ide_drive_t *drive, struct ide_atapi_pc *pc,
         if (drive->media == ide_tape && !drive->scsi)
                 ireason = ide_wait_ireason(drive, ireason);
 
-        if ((ireason & CD) == 0 || (ireason & IO)) {
+        if ((ireason & ATAPI_COD) == 0 || (ireason & ATAPI_IO)) {
                 printk(KERN_ERR "%s: (IO,CoD) != (0,1) while issuing "
                                 "a packet command\n", drive->name);
                 return ide_do_reset(drive);
@@ -303,7 +499,7 @@ ide_startstop_t ide_issue_pc(ide_drive_t *drive, struct ide_atapi_pc *pc,
 
         /* Issue the packet command */
         if (drive->atapi_flags & IDE_AFLAG_DRQ_INTERRUPT) {
-                ide_execute_command(drive, WIN_PACKETCMD, handler,
+                ide_execute_command(drive, ATA_CMD_PACKET, handler,
                                     timeout, NULL);
                 return ide_started;
         } else {
diff --git a/drivers/ide/ide-cd.c b/drivers/ide/ide-cd.c
index 03c2cb6a58bc..465a92ca0179 100644
--- a/drivers/ide/ide-cd.c
+++ b/drivers/ide/ide-cd.c
@@ -436,7 +436,7 @@ static int cdrom_decode_status(ide_drive_t *drive, int good_stat, int *stat_ret)
                         ide_dump_status_no_sense(drive, "media error (blank)",
                                                  stat);
                         do_end_request = 1;
-                } else if ((err & ~ABRT_ERR) != 0) {
+                } else if ((err & ~ATA_ABORTED) != 0) {
                         /* go to the default handler for other errors */
                         ide_error(drive, "cdrom_decode_status", stat);
                         return 1;
@@ -457,7 +457,7 @@ static int cdrom_decode_status(ide_drive_t *drive, int good_stat, int *stat_ret)
                  * If we got a CHECK_CONDITION status, queue
                  * a request sense command.
                  */
-                if (stat & ERR_STAT)
+                if (stat & ATA_ERR)
                         cdrom_queue_request_sense(drive, NULL, NULL);
         } else {
                 blk_dump_rq_flags(rq, "ide-cd: bad rq");
@@ -468,7 +468,7 @@ static int cdrom_decode_status(ide_drive_t *drive, int good_stat, int *stat_ret)
         return 1;
 
 end_request:
-        if (stat & ERR_STAT) {
+        if (stat & ATA_ERR) {
                 unsigned long flags;
 
                 spin_lock_irqsave(&ide_lock, flags);
@@ -541,7 +541,7 @@ static ide_startstop_t cdrom_start_packet_command(ide_drive_t *drive,
                         drive->waiting_for_dma = 0;
 
                 /* packet command */
-                ide_execute_command(drive, WIN_PACKETCMD, handler,
+                ide_execute_command(drive, ATA_CMD_PACKET, handler,
                                     ATAPI_WAIT_PC, cdrom_timer_expiry);
                 return ide_started;
         } else {
@@ -574,7 +574,7 @@ static ide_startstop_t cdrom_transfer_packet_command(ide_drive_t *drive,
                  */
 
                 /* check for errors */
-                if (cdrom_decode_status(drive, DRQ_STAT, NULL))
+                if (cdrom_decode_status(drive, ATA_DRQ, NULL))
                         return ide_stopped;
 
                 /* ok, next interrupt will be DMA interrupt */
@@ -582,8 +582,8 @@ static ide_startstop_t cdrom_transfer_packet_command(ide_drive_t *drive,
                         drive->waiting_for_dma = 1;
         } else {
                 /* otherwise, we must wait for DRQ to get set */
-                if (ide_wait_stat(&startstop, drive, DRQ_STAT,
-                                BUSY_STAT, WAIT_READY))
+                if (ide_wait_stat(&startstop, drive, ATA_DRQ,
+                                  ATA_BUSY, WAIT_READY))
                         return startstop;
         }
 
@@ -938,7 +938,7 @@ static ide_startstop_t cdrom_newpc_intr(ide_drive_t *drive)
                 thislen = len;
 
         /* If DRQ is clear, the command has completed. */
-        if ((stat & DRQ_STAT) == 0) {
+        if ((stat & ATA_DRQ) == 0) {
                 if (blk_fs_request(rq)) {
                         /*
                          * If we're not done reading/writing, complain.
@@ -1164,13 +1164,12 @@ static void cdrom_do_block_pc(ide_drive_t *drive, struct request *rq)
         if (rq->bio || ((rq->cmd_type == REQ_TYPE_ATA_PC) && rq->data_len)) {
                 struct request_queue *q = drive->queue;
                 unsigned int alignment;
-                unsigned long addr;
-                unsigned long stack_mask = ~(THREAD_SIZE - 1);
+                char *buf;
 
                 if (rq->bio)
-                        addr = (unsigned long)bio_data(rq->bio);
+                        buf = bio_data(rq->bio);
                 else
-                        addr = (unsigned long)rq->data;
+                        buf = rq->data;
 
                 info->dma = drive->using_dma;
 
@@ -1181,11 +1180,8 @@ static void cdrom_do_block_pc(ide_drive_t *drive, struct request *rq)
                  * separate masks.
                  */
                 alignment = queue_dma_alignment(q) | q->dma_pad_mask;
-                if (addr & alignment || rq->data_len & alignment)
-                        info->dma = 0;
-
-                if (!((addr & stack_mask) ^
-                      ((unsigned long)current->stack & stack_mask)))
+                if ((unsigned long)buf & alignment || rq->data_len & alignment
+                    || object_is_on_stack(buf))
                         info->dma = 0;
         }
 }
@@ -1206,7 +1202,7 @@ static ide_startstop_t ide_cd_do_request(ide_drive_t *drive, struct request *rq,
                         unsigned long elapsed = jiffies - info->start_seek;
                         int stat = hwif->tp_ops->read_status(hwif);
 
-                        if ((stat & SEEK_STAT) != SEEK_STAT) {
+                        if ((stat & ATA_DSC) != ATA_DSC) {
                                 if (elapsed < IDECD_SEEK_TIMEOUT) {
                                         ide_stall_queue(drive,
                                                         IDECD_SEEK_TIMER);
@@ -1813,13 +1809,12 @@ static ide_proc_entry_t idecd_proc[] = {
         { NULL, 0, NULL, NULL }
 };
 
-static void ide_cdrom_add_settings(ide_drive_t *drive)
-{
-        ide_add_setting(drive, "dsc_overlap", SETTING_RW, TYPE_BYTE, 0, 1, 1, 1,
-                        &drive->dsc_overlap, NULL);
-}
-#else
-static inline void ide_cdrom_add_settings(ide_drive_t *drive) { ; }
+ide_devset_rw_field(dsc_overlap, dsc_overlap);
+
+static const struct ide_proc_devset idecd_settings[] = {
+        IDE_PROC_DEVSET(dsc_overlap, 0, 1),
+        { 0 },
+};
 #endif
 
 static const struct cd_list_entry ide_cd_quirks_list[] = {
@@ -1866,14 +1861,14 @@ static const struct cd_list_entry ide_cd_quirks_list[] = {
         { NULL, NULL, 0 }
 };
 
-static unsigned int ide_cd_flags(struct hd_driveid *id)
+static unsigned int ide_cd_flags(u16 *id)
 {
         const struct cd_list_entry *cle = ide_cd_quirks_list;
 
         while (cle->id_model) {
-                if (strcmp(cle->id_model, id->model) == 0 &&
+                if (strcmp(cle->id_model, (char *)&id[ATA_ID_PROD]) == 0 &&
                     (cle->id_firmware == NULL ||
-                     strstr(id->fw_rev, cle->id_firmware)))
+                     strstr((char *)&id[ATA_ID_FW_REV], cle->id_firmware)))
                         return cle->cd_flags;
                 cle++;
         }
@@ -1885,7 +1880,8 @@ static int ide_cdrom_setup(ide_drive_t *drive)
 {
         struct cdrom_info *cd = drive->driver_data;
         struct cdrom_device_info *cdi = &cd->devinfo;
-        struct hd_driveid *id = drive->id;
+        u16 *id = drive->id;
+        char *fw_rev = (char *)&id[ATA_ID_FW_REV];
         int nslots;
 
         blk_queue_prep_rq(drive->queue, ide_cdrom_prep_fn);
@@ -1900,15 +1896,15 @@ static int ide_cdrom_setup(ide_drive_t *drive)
         drive->atapi_flags = IDE_AFLAG_MEDIA_CHANGED | IDE_AFLAG_NO_EJECT |
                        ide_cd_flags(id);
 
-        if ((id->config & 0x0060) == 0x20)
+        if ((id[ATA_ID_CONFIG] & 0x0060) == 0x20)
                 drive->atapi_flags |= IDE_AFLAG_DRQ_INTERRUPT;
 
         if ((drive->atapi_flags & IDE_AFLAG_VERTOS_300_SSD) &&
-            id->fw_rev[4] == '1' && id->fw_rev[6] <= '2')
+            fw_rev[4] == '1' && fw_rev[6] <= '2')
                 drive->atapi_flags |= (IDE_AFLAG_TOCTRACKS_AS_BCD |
                                      IDE_AFLAG_TOCADDR_AS_BCD);
         else if ((drive->atapi_flags & IDE_AFLAG_VERTOS_600_ESD) &&
-                 id->fw_rev[4] == '1' && id->fw_rev[6] <= '2')
+                 fw_rev[4] == '1' && fw_rev[6] <= '2')
                 drive->atapi_flags |= IDE_AFLAG_TOCTRACKS_AS_BCD;
         else if (drive->atapi_flags & IDE_AFLAG_SANYO_3CD)
                 /* 3 => use CD in slot 0 */
@@ -1927,7 +1923,8 @@ static int ide_cdrom_setup(ide_drive_t *drive)
                 cd->devinfo.handle = NULL;
                 return 1;
         }
-        ide_cdrom_add_settings(drive);
+
+        ide_proc_register_driver(drive, cd->driver);
         return 0;
 }
 
@@ -1972,12 +1969,12 @@ static ide_driver_t ide_cdrom_driver = {
         .remove                 = ide_cd_remove,
         .version                = IDECD_VERSION,
         .media                  = ide_cdrom,
-        .supports_dsc_overlap   = 1,
         .do_request             = ide_cd_do_request,
         .end_request            = ide_end_request,
         .error                  = __ide_error,
 #ifdef CONFIG_IDE_PROC_FS
         .proc                   = idecd_proc,
+        .settings               = idecd_settings,
 #endif
 };
 
@@ -2112,10 +2109,10 @@ static int ide_cd_probe(ide_drive_t *drive)
 
         if (!strstr("ide-cdrom", drive->driver_req))
                 goto failed;
-        if (!drive->present)
-                goto failed;
+
         if (drive->media != ide_cdrom && drive->media != ide_optical)
                 goto failed;
+
         /* skip drives that we were told to ignore */
         if (ignore != NULL) {
                 if (strstr(ignore, drive->name)) {
@@ -2137,8 +2134,6 @@ static int ide_cd_probe(ide_drive_t *drive)
 
         ide_init_disk(g, drive);
 
-        ide_proc_register_driver(drive, &ide_cdrom_driver);
-
         kref_init(&info->kref);
 
         info->drive = drive;
@@ -2153,7 +2148,6 @@ static int ide_cd_probe(ide_drive_t *drive)
         g->driverfs_dev = &drive->gendev;
         g->flags = GENHD_FL_CD | GENHD_FL_REMOVABLE;
         if (ide_cdrom_setup(drive)) {
-                ide_proc_unregister_driver(drive, &ide_cdrom_driver);
                 ide_cd_release(&info->kref);
                 goto failed;
         }
diff --git a/drivers/ide/ide-disk.c b/drivers/ide/ide-disk.c
index 33ea8c048717..01846f244b40 100644
--- a/drivers/ide/ide-disk.c
+++ b/drivers/ide/ide-disk.c
@@ -30,10 +30,8 @@
 #include <linux/delay.h>
 #include <linux/mutex.h>
 #include <linux/leds.h>
-
-#define _IDE_DISK
-
 #include <linux/ide.h>
+#include <linux/hdreg.h>
 
 #include <asm/byteorder.h>
 #include <asm/irq.h>
@@ -90,68 +88,19 @@ static void ide_disk_put(struct ide_disk_obj *idkp)
         mutex_unlock(&idedisk_ref_mutex);
 }
 
-/*
- * lba_capacity_is_ok() performs a sanity check on the claimed "lba_capacity"
- * value for this drive (from its reported identification information).
- *
- * Returns:     1 if lba_capacity looks sensible
- *              0 otherwise
- *
- * It is called only once for each drive.
- */
-static int lba_capacity_is_ok(struct hd_driveid *id)
-{
-        unsigned long lba_sects, chs_sects, head, tail;
-
-        /* No non-LBA info .. so valid! */
-        if (id->cyls == 0)
-                return 1;
-
-        /*
-         * The ATA spec tells large drives to return
-         * C/H/S = 16383/16/63 independent of their size.
-         * Some drives can be jumpered to use 15 heads instead of 16.
-         * Some drives can be jumpered to use 4092 cyls instead of 16383.
-         */
-        if ((id->cyls == 16383
-             || (id->cyls == 4092 && id->cur_cyls == 16383)) &&
-            id->sectors == 63 &&
-            (id->heads == 15 || id->heads == 16) &&
-            (id->lba_capacity >= 16383*63*id->heads))
-                return 1;
-
-        lba_sects   = id->lba_capacity;
-        chs_sects   = id->cyls * id->heads * id->sectors;
-
-        /* perform a rough sanity check on lba_sects:  within 10% is OK */
-        if ((lba_sects - chs_sects) < chs_sects/10)
-                return 1;
-
-        /* some drives have the word order reversed */
-        head = ((lba_sects >> 16) & 0xffff);
-        tail = (lba_sects & 0xffff);
-        lba_sects = (head | (tail << 16));
-        if ((lba_sects - chs_sects) < chs_sects/10) {
-                id->lba_capacity = lba_sects;
-                return 1;       /* lba_capacity is (now) good */
-        }
-
-        return 0;       /* lba_capacity value may be bad */
-}
-
 static const u8 ide_rw_cmds[] = {
-        WIN_MULTREAD,
-        WIN_MULTWRITE,
-        WIN_MULTREAD_EXT,
-        WIN_MULTWRITE_EXT,
-        WIN_READ,
-        WIN_WRITE,
-        WIN_READ_EXT,
-        WIN_WRITE_EXT,
-        WIN_READDMA,
-        WIN_WRITEDMA,
-        WIN_READDMA_EXT,
-        WIN_WRITEDMA_EXT,
+        ATA_CMD_READ_MULTI,
+        ATA_CMD_WRITE_MULTI,
+        ATA_CMD_READ_MULTI_EXT,
+        ATA_CMD_WRITE_MULTI_EXT,
+        ATA_CMD_PIO_READ,
+        ATA_CMD_PIO_WRITE,
+        ATA_CMD_PIO_READ_EXT,
+        ATA_CMD_PIO_WRITE_EXT,
+        ATA_CMD_READ,
+        ATA_CMD_WRITE,
+        ATA_CMD_READ_EXT,
+        ATA_CMD_WRITE_EXT,
 };
 
 static const u8 ide_data_phases[] = {
@@ -322,9 +271,9 @@ static u64 idedisk_read_native_max_address(ide_drive_t *drive, int lba48)
         /* Create IDE/ATA command request structure */
         memset(&args, 0, sizeof(ide_task_t));
         if (lba48)
-                tf->command = WIN_READ_NATIVE_MAX_EXT;
+                tf->command = ATA_CMD_READ_NATIVE_MAX_EXT;
         else
-                tf->command = WIN_READ_NATIVE_MAX;
+                tf->command = ATA_CMD_READ_NATIVE_MAX;
         tf->device  = ATA_LBA;
         args.tf_flags = IDE_TFLAG_TF | IDE_TFLAG_DEVICE;
         if (lba48)
@@ -359,10 +308,10 @@ static u64 idedisk_set_max_address(ide_drive_t *drive, u64 addr_req, int lba48)
                 tf->hob_lbal = (addr_req >>= 8) & 0xff;
                 tf->hob_lbam = (addr_req >>= 8) & 0xff;
                 tf->hob_lbah = (addr_req >>= 8) & 0xff;
-                tf->command  = WIN_SET_MAX_EXT;
+                tf->command  = ATA_CMD_SET_MAX_EXT;
         } else {
                 tf->device   = (addr_req >>= 8) & 0x0f;
-                tf->command  = WIN_SET_MAX;
+                tf->command  = ATA_CMD_SET_MAX;
         }
         tf->device |= ATA_LBA;
         args.tf_flags = IDE_TFLAG_TF | IDE_TFLAG_DEVICE;
@@ -385,25 +334,6 @@ static unsigned long long sectors_to_MB(unsigned long long n)
 }
 
 /*
- * Bits 10 of command_set_1 and cfs_enable_1 must be equal,
- * so on non-buggy drives we need test only one.
- * However, we should also check whether these fields are valid.
- */
-static inline int idedisk_supports_hpa(const struct hd_driveid *id)
-{
-        return (id->command_set_1 & 0x0400) && (id->cfs_enable_1 & 0x0400);
-}
-
-/*
- * The same here.
- */
-static inline int idedisk_supports_lba48(const struct hd_driveid *id)
-{
-        return (id->command_set_2 & 0x0400) && (id->cfs_enable_2 & 0x0400)
-               && id->lba_capacity_2;
-}
-
-/*
  * Some disks report total number of sectors instead of
  * maximum sector address.  We list them here.
  */
@@ -417,7 +347,7 @@ static const struct drive_list_entry hpa_list[] = {
 static void idedisk_check_hpa(ide_drive_t *drive)
 {
         unsigned long long capacity, set_max;
-        int lba48 = idedisk_supports_lba48(drive->id);
+        int lba48 = ata_id_lba48_enabled(drive->id);
 
         capacity = drive->capacity64;
 
@@ -453,23 +383,23 @@ static void idedisk_check_hpa(ide_drive_t *drive)
 
 static void init_idedisk_capacity(ide_drive_t *drive)
 {
-        struct hd_driveid *id = drive->id;
+        u16 *id = drive->id;
         /*
          * If this drive supports the Host Protected Area feature set,
          * then we may need to change our opinion about the drive's capacity.
          */
-        int hpa = idedisk_supports_hpa(id);
+        int hpa = ata_id_hpa_enabled(id);
 
-        if (idedisk_supports_lba48(id)) {
+        if (ata_id_lba48_enabled(id)) {
                 /* drive speaks 48-bit LBA */
                 drive->select.b.lba = 1;
-                drive->capacity64 = id->lba_capacity_2;
+                drive->capacity64 = ata_id_u64(id, ATA_ID_LBA_CAPACITY_2);
                 if (hpa)
                         idedisk_check_hpa(drive);
-        } else if ((id->capability & 2) && lba_capacity_is_ok(id)) {
+        } else if (ata_id_has_lba(id) && ata_id_is_lba_capacity_ok(id)) {
                 /* drive speaks 28-bit LBA */
                 drive->select.b.lba = 1;
-                drive->capacity64 = id->lba_capacity;
+                drive->capacity64 = ata_id_u32(id, ATA_ID_LBA_CAPACITY);
                 if (hpa)
                         idedisk_check_hpa(drive);
         } else {
@@ -480,7 +410,7 @@ static void init_idedisk_capacity(ide_drive_t *drive)
 
 static sector_t idedisk_capacity(ide_drive_t *drive)
 {
-        return drive->capacity64 - drive->sect0;
+        return drive->capacity64;
 }
 
 #ifdef CONFIG_IDE_PROC_FS
@@ -490,10 +420,10 @@ static int smart_enable(ide_drive_t *drive)
         struct ide_taskfile *tf = &args.tf;
 
         memset(&args, 0, sizeof(ide_task_t));
-        tf->feature = SMART_ENABLE;
-        tf->lbam    = SMART_LCYL_PASS;
-        tf->lbah    = SMART_HCYL_PASS;
-        tf->command = WIN_SMART;
+        tf->feature = ATA_SMART_ENABLE;
+        tf->lbam    = ATA_SMART_LBAM_PASS;
+        tf->lbah    = ATA_SMART_LBAH_PASS;
+        tf->command = ATA_CMD_SMART;
         args.tf_flags = IDE_TFLAG_TF | IDE_TFLAG_DEVICE;
         return ide_no_data_taskfile(drive, &args);
 }
@@ -506,9 +436,9 @@ static int get_smart_data(ide_drive_t *drive, u8 *buf, u8 sub_cmd)
         memset(&args, 0, sizeof(ide_task_t));
         tf->feature = sub_cmd;
         tf->nsect   = 0x01;
-        tf->lbam    = SMART_LCYL_PASS;
-        tf->lbah    = SMART_HCYL_PASS;
-        tf->command = WIN_SMART;
+        tf->lbam    = ATA_SMART_LBAM_PASS;
+        tf->lbah    = ATA_SMART_LBAH_PASS;
+        tf->command = ATA_CMD_SMART;
         args.tf_flags   = IDE_TFLAG_TF | IDE_TFLAG_DEVICE;
         args.data_phase = TASKFILE_IN;
         (void) smart_enable(drive);
@@ -523,7 +453,7 @@ static int proc_idedisk_read_cache
         int             len;
 
         if (drive->id_read)
-                len = sprintf(out, "%i\n", drive->id->buf_size / 2);
+                len = sprintf(out, "%i\n", drive->id[ATA_ID_BUF_SIZE] / 2);
         else
                 len = sprintf(out, "(none)\n");
 
@@ -549,13 +479,14 @@ static int proc_idedisk_read_smart(char *page, char **start, off_t off,
 
         if (get_smart_data(drive, page, sub_cmd) == 0) {
                 unsigned short *val = (unsigned short *) page;
-                char *out = ((char *)val) + (SECTOR_WORDS * 4);
+                char *out = (char *)val + SECTOR_SIZE;
+
                 page = out;
                 do {
                         out += sprintf(out, "%04x%c", le16_to_cpu(*val),
                                        (++i & 7) ? ' ' : '\n');
                         val += 1;
-                } while (i < (SECTOR_WORDS * 2));
+                } while (i < SECTOR_SIZE / 2);
                 len = out - page;
         }
 
@@ -566,14 +497,14 @@ static int proc_idedisk_read_sv
         (char *page, char **start, off_t off, int count, int *eof, void *data)
 {
         return proc_idedisk_read_smart(page, start, off, count, eof, data,
-                                       SMART_READ_VALUES);
+                                       ATA_SMART_READ_VALUES);
 }
 
 static int proc_idedisk_read_st
         (char *page, char **start, off_t off, int count, int *eof, void *data)
 {
         return proc_idedisk_read_smart(page, start, off, count, eof, data,
-                                       SMART_READ_THRESHOLDS);
+                                       ATA_SMART_READ_THRESHOLDS);
 }
 
 static ide_proc_entry_t idedisk_proc[] = {
@@ -595,11 +526,11 @@ static void idedisk_prepare_flush(struct request_queue *q, struct request *rq)
         BUG_ON(task == NULL);
 
         memset(task, 0, sizeof(*task));
-        if (ide_id_has_flush_cache_ext(drive->id) &&
+        if (ata_id_flush_ext_enabled(drive->id) &&
             (drive->capacity64 >= (1UL << 28)))
-                task->tf.command = WIN_FLUSH_CACHE_EXT;
+                task->tf.command = ATA_CMD_FLUSH_EXT;
         else
-                task->tf.command = WIN_FLUSH_CACHE;
+                task->tf.command = ATA_CMD_FLUSH;
         task->tf_flags   = IDE_TFLAG_OUT_TF | IDE_TFLAG_OUT_DEVICE |
                            IDE_TFLAG_DYN;
         task->data_phase = TASKFILE_NO_DATA;
@@ -609,6 +540,8 @@ static void idedisk_prepare_flush(struct request_queue *q, struct request *rq)
         rq->special = task;
 }
 
+ide_devset_get(multcount, mult_count);
+
 /*
  * This is tightly woven into the driver->do_special can not touch.
  * DON'T do it again until a total personality rewrite is committed.
@@ -618,7 +551,7 @@ static int set_multcount(ide_drive_t *drive, int arg)
         struct request *rq;
         int error;
 
-        if (arg < 0 || arg > drive->id->max_multsect)
+        if (arg < 0 || arg > (drive->id[ATA_ID_MAX_MULTSECT] & 0xff))
                 return -EINVAL;
 
         if (drive->special.b.set_multmode)
@@ -635,22 +568,21 @@ static int set_multcount(ide_drive_t *drive, int arg)
         return (drive->mult_count == arg) ? 0 : -EIO;
 }
 
+ide_devset_get(nowerr, nowerr);
+
 static int set_nowerr(ide_drive_t *drive, int arg)
 {
         if (arg < 0 || arg > 1)
                 return -EINVAL;
 
-        if (ide_spin_wait_hwgroup(drive))
-                return -EBUSY;
         drive->nowerr = arg;
         drive->bad_wstat = arg ? BAD_R_STAT : BAD_W_STAT;
-        spin_unlock_irq(&ide_lock);
         return 0;
 }
 
 static void update_ordered(ide_drive_t *drive)
 {
-        struct hd_driveid *id = drive->id;
+        u16 *id = drive->id;
         unsigned ordered = QUEUE_ORDERED_NONE;
         prepare_flush_fn *prep_fn = NULL;
 
@@ -666,9 +598,9 @@ static void update_ordered(ide_drive_t *drive)
                  * not available so we don't need to recheck that.
                  */
                 capacity = idedisk_capacity(drive);
-                barrier = ide_id_has_flush_cache(id) && !drive->noflush &&
+                barrier = ata_id_flush_enabled(id) && !drive->noflush &&
                         (drive->addressing == 0 || capacity <= (1ULL << 28) ||
-                         ide_id_has_flush_cache_ext(id));
+                         ata_id_flush_ext_enabled(id));
 
                 printk(KERN_INFO "%s: cache flushes %ssupported\n",
                        drive->name, barrier ? "" : "not ");
@@ -683,7 +615,9 @@ static void update_ordered(ide_drive_t *drive)
         blk_queue_ordered(drive->queue, ordered, prep_fn);
 }
 
-static int write_cache(ide_drive_t *drive, int arg)
+ide_devset_get(wcache, wcache);
+
+static int set_wcache(ide_drive_t *drive, int arg)
 {
         ide_task_t args;
         int err = 1;
@@ -691,11 +625,11 @@ static int write_cache(ide_drive_t *drive, int arg)
         if (arg < 0 || arg > 1)
                 return -EINVAL;
 
-        if (ide_id_has_flush_cache(drive->id)) {
+        if (ata_id_flush_enabled(drive->id)) {
                 memset(&args, 0, sizeof(ide_task_t));
                 args.tf.feature = arg ?
-                        SETFEATURES_EN_WCACHE : SETFEATURES_DIS_WCACHE;
-                args.tf.command = WIN_SETFEATURES;
+                        SETFEATURES_WC_ON : SETFEATURES_WC_OFF;
+                args.tf.command = ATA_CMD_SET_FEATURES;
                 args.tf_flags = IDE_TFLAG_TF | IDE_TFLAG_DEVICE;
                 err = ide_no_data_taskfile(drive, &args);
                 if (err == 0)
@@ -712,14 +646,16 @@ static int do_idedisk_flushcache(ide_drive_t *drive)
         ide_task_t args;
 
         memset(&args, 0, sizeof(ide_task_t));
-        if (ide_id_has_flush_cache_ext(drive->id))
-                args.tf.command = WIN_FLUSH_CACHE_EXT;
+        if (ata_id_flush_ext_enabled(drive->id))
+                args.tf.command = ATA_CMD_FLUSH_EXT;
         else
-                args.tf.command = WIN_FLUSH_CACHE;
+                args.tf.command = ATA_CMD_FLUSH;
         args.tf_flags = IDE_TFLAG_TF | IDE_TFLAG_DEVICE;
         return ide_no_data_taskfile(drive, &args);
 }
 
+ide_devset_get(acoustic, acoustic);
+
 static int set_acoustic(ide_drive_t *drive, int arg)
 {
         ide_task_t args;
@@ -728,22 +664,24 @@ static int set_acoustic(ide_drive_t *drive, int arg)
                 return -EINVAL;
 
         memset(&args, 0, sizeof(ide_task_t));
-        args.tf.feature = arg ? SETFEATURES_EN_AAM : SETFEATURES_DIS_AAM;
+        args.tf.feature = arg ? SETFEATURES_AAM_ON : SETFEATURES_AAM_OFF;
         args.tf.nsect   = arg;
-        args.tf.command = WIN_SETFEATURES;
+        args.tf.command = ATA_CMD_SET_FEATURES;
         args.tf_flags = IDE_TFLAG_TF | IDE_TFLAG_DEVICE;
         ide_no_data_taskfile(drive, &args);
         drive->acoustic = arg;
         return 0;
 }
 
+ide_devset_get(addressing, addressing);
+
 /*
  * drive->addressing:
  *      0: 28-bit
  *      1: 48-bit
  *      2: 48-bit capable doing 28-bit
  */
-static int set_lba_addressing(ide_drive_t *drive, int arg)
+static int set_addressing(ide_drive_t *drive, int arg)
 {
         if (arg < 0 || arg > 2)
                 return -EINVAL;
@@ -753,52 +691,54 @@ static int set_lba_addressing(ide_drive_t *drive, int arg)
         if (drive->hwif->host_flags & IDE_HFLAG_NO_LBA48)
                 return 0;
 
-        if (!idedisk_supports_lba48(drive->id))
+        if (ata_id_lba48_enabled(drive->id) == 0)
                 return -EIO;
+
         drive->addressing = arg;
+
         return 0;
 }
 
+ide_devset_rw(acoustic, acoustic);
+ide_devset_rw(address, addressing);
+ide_devset_rw(multcount, multcount);
+ide_devset_rw(wcache, wcache);
+
+ide_devset_rw_sync(nowerr, nowerr);
+
 #ifdef CONFIG_IDE_PROC_FS
-static void idedisk_add_settings(ide_drive_t *drive)
-{
-        struct hd_driveid *id = drive->id;
-
-        ide_add_setting(drive, "bios_cyl", SETTING_RW, TYPE_INT, 0, 65535, 1, 1,
-                        &drive->bios_cyl, NULL);
-        ide_add_setting(drive, "bios_head", SETTING_RW, TYPE_BYTE, 0, 255, 1, 1,
-                        &drive->bios_head, NULL);
-        ide_add_setting(drive, "bios_sect", SETTING_RW, TYPE_BYTE, 0, 63, 1, 1,
-                        &drive->bios_sect, NULL);
-        ide_add_setting(drive, "address", SETTING_RW, TYPE_BYTE, 0, 2, 1, 1,
-                        &drive->addressing, set_lba_addressing);
-        ide_add_setting(drive, "multcount", SETTING_RW, TYPE_BYTE, 0,
-                        id->max_multsect, 1, 1, &drive->mult_count,
-                        set_multcount);
-        ide_add_setting(drive, "nowerr", SETTING_RW, TYPE_BYTE, 0, 1, 1, 1,
-                        &drive->nowerr, set_nowerr);
-        ide_add_setting(drive, "lun", SETTING_RW, TYPE_INT, 0, 7, 1, 1,
-                        &drive->lun, NULL);
-        ide_add_setting(drive, "wcache", SETTING_RW, TYPE_BYTE, 0, 1, 1, 1,
-                        &drive->wcache, write_cache);
-        ide_add_setting(drive, "acoustic", SETTING_RW, TYPE_BYTE, 0, 254, 1, 1,
-                        &drive->acoustic, set_acoustic);
-        ide_add_setting(drive, "failures", SETTING_RW, TYPE_INT, 0, 65535, 1, 1,
-                        &drive->failures, NULL);
-        ide_add_setting(drive, "max_failures", SETTING_RW, TYPE_INT, 0, 65535,
-                        1, 1, &drive->max_failures, NULL);
-}
-#else
-static inline void idedisk_add_settings(ide_drive_t *drive) { ; }
+ide_devset_rw_field(bios_cyl, bios_cyl);
+ide_devset_rw_field(bios_head, bios_head);
+ide_devset_rw_field(bios_sect, bios_sect);
+ide_devset_rw_field(failures, failures);
+ide_devset_rw_field(lun, lun);
+ide_devset_rw_field(max_failures, max_failures);
+
+static const struct ide_proc_devset idedisk_settings[] = {
+        IDE_PROC_DEVSET(acoustic,       0,   254),
+        IDE_PROC_DEVSET(address,        0,     2),
+        IDE_PROC_DEVSET(bios_cyl,       0, 65535),
+        IDE_PROC_DEVSET(bios_head,      0,   255),
+        IDE_PROC_DEVSET(bios_sect,      0,    63),
+        IDE_PROC_DEVSET(failures,       0, 65535),
+        IDE_PROC_DEVSET(lun,            0,     7),
+        IDE_PROC_DEVSET(max_failures,   0, 65535),
+        IDE_PROC_DEVSET(multcount,      0,    16),
+        IDE_PROC_DEVSET(nowerr,         0,     1),
+        IDE_PROC_DEVSET(wcache,         0,     1),
+        { 0 },
+};
 #endif
 
 static void idedisk_setup(ide_drive_t *drive)
 {
+        struct ide_disk_obj *idkp = drive->driver_data;
         ide_hwif_t *hwif = drive->hwif;
-        struct hd_driveid *id = drive->id;
+        u16 *id = drive->id;
+        char *m = (char *)&id[ATA_ID_PROD];
         unsigned long long capacity;
 
-        idedisk_add_settings(drive);
+        ide_proc_register_driver(drive, idkp->driver);
 
         if (drive->id_read == 0)
                 return;
@@ -807,11 +747,11 @@ static void idedisk_setup(ide_drive_t *drive)
                 /*
                  * Removable disks (eg. SYQUEST); ignore 'WD' drives
                  */
-                if (id->model[0] != 'W' || id->model[1] != 'D')
+                if (m[0] != 'W' || m[1] != 'D')
                         drive->doorlocking = 1;
         }
 
-        (void)set_lba_addressing(drive, 1);
+        (void)set_addressing(drive, 1);
 
         if (drive->addressing == 1) {
                 int max_s = 2048;
@@ -853,8 +793,7 @@ static void idedisk_setup(ide_drive_t *drive)
         capacity = idedisk_capacity(drive);
 
         if (!drive->forced_geom) {
-
-                if (idedisk_supports_lba48(drive->id)) {
+                if (ata_id_lba48_enabled(drive->id)) {
                         /* compatibility */
                         drive->bios_sect = 63;
                         drive->bios_head = 255;
@@ -880,22 +819,22 @@ static void idedisk_setup(ide_drive_t *drive)
                          drive->name, capacity, sectors_to_MB(capacity));
 
         /* Only print cache size when it was specified */
-        if (id->buf_size)
-                printk(KERN_CONT " w/%dKiB Cache", id->buf_size / 2);
+        if (id[ATA_ID_BUF_SIZE])
+                printk(KERN_CONT " w/%dKiB Cache", id[ATA_ID_BUF_SIZE] / 2);
 
         printk(KERN_CONT ", CHS=%d/%d/%d\n",
                          drive->bios_cyl, drive->bios_head, drive->bios_sect);
 
         /* write cache enabled? */
-        if ((id->csfo & 1) || (id->cfs_enable_1 & (1 << 5)))
+        if ((id[ATA_ID_CSFO] & 1) || ata_id_wcache_enabled(id))
                 drive->wcache = 1;
 
-        write_cache(drive, 1);
+        set_wcache(drive, 1);
 }
 
 static void ide_cacheflush_p(ide_drive_t *drive)
 {
-        if (!drive->wcache || !ide_id_has_flush_cache(drive->id))
+        if (!drive->wcache || ata_id_flush_enabled(drive->id) == 0)
                 return;
 
         if (do_idedisk_flushcache(drive))
@@ -937,7 +876,7 @@ static int ide_disk_probe(ide_drive_t *drive);
  */
 static void ide_disk_resume(ide_drive_t *drive)
 {
-        if (idedisk_supports_hpa(drive->id))
+        if (ata_id_hpa_enabled(drive->id))
                 init_idedisk_capacity(drive);
 }
 
@@ -980,12 +919,12 @@ static ide_driver_t idedisk_driver = {
         .shutdown               = ide_device_shutdown,
         .version                = IDEDISK_VERSION,
         .media                  = ide_disk,
-        .supports_dsc_overlap   = 0,
         .do_request             = ide_do_rw_disk,
         .end_request            = ide_end_request,
         .error                  = __ide_error,
 #ifdef CONFIG_IDE_PROC_FS
         .proc                   = idedisk_proc,
+        .settings               = idedisk_settings,
 #endif
 };
 
@@ -994,7 +933,7 @@ static int idedisk_set_doorlock(ide_drive_t *drive, int on)
         ide_task_t task;
 
         memset(&task, 0, sizeof(task));
-        task.tf.command = on ? WIN_DOORLOCK : WIN_DOORUNLOCK;
+        task.tf.command = on ? ATA_CMD_MEDIA_LOCK : ATA_CMD_MEDIA_UNLOCK;
         task.tf_flags = IDE_TFLAG_TF | IDE_TFLAG_DEVICE;
 
         return ide_no_data_taskfile(drive, &task);
@@ -1059,52 +998,28 @@ static int idedisk_getgeo(struct block_device *bdev, struct hd_geometry *geo)
         return 0;
 }
 
+static const struct ide_ioctl_devset ide_disk_ioctl_settings[] = {
+{ HDIO_GET_ADDRESS,     HDIO_SET_ADDRESS,   &ide_devset_address   },
+{ HDIO_GET_MULTCOUNT,   HDIO_SET_MULTCOUNT, &ide_devset_multcount },
+{ HDIO_GET_NOWERR,      HDIO_SET_NOWERR,    &ide_devset_nowerr    },
+{ HDIO_GET_WCACHE,      HDIO_SET_WCACHE,    &ide_devset_wcache    },
+{ HDIO_GET_ACOUSTIC,    HDIO_SET_ACOUSTIC,  &ide_devset_acoustic  },
+{ 0 }
+};
+
 static int idedisk_ioctl(struct inode *inode, struct file *file,
                         unsigned int cmd, unsigned long arg)
 {
-        unsigned long flags;
         struct block_device *bdev = inode->i_bdev;
         struct ide_disk_obj *idkp = ide_disk_g(bdev->bd_disk);
         ide_drive_t *drive = idkp->drive;
-        int err, (*setfunc)(ide_drive_t *, int);
-        u8 *val;
-
-        switch (cmd) {
-        case HDIO_GET_ADDRESS:   val = &drive->addressing;      goto read_val;
-        case HDIO_GET_MULTCOUNT: val = &drive->mult_count;      goto read_val;
-        case HDIO_GET_NOWERR:    val = &drive->nowerr;          goto read_val;
-        case HDIO_GET_WCACHE:    val = &drive->wcache;          goto read_val;
-        case HDIO_GET_ACOUSTIC:  val = &drive->acoustic;        goto read_val;
-        case HDIO_SET_ADDRESS:   setfunc = set_lba_addressing;  goto set_val;
-        case HDIO_SET_MULTCOUNT: setfunc = set_multcount;       goto set_val;
-        case HDIO_SET_NOWERR:    setfunc = set_nowerr;          goto set_val;
-        case HDIO_SET_WCACHE:    setfunc = write_cache;         goto set_val;
-        case HDIO_SET_ACOUSTIC:  setfunc = set_acoustic;        goto set_val;
-        }
+        int err;
 
-        return generic_ide_ioctl(drive, file, bdev, cmd, arg);
+        err = ide_setting_ioctl(drive, bdev, cmd, arg, ide_disk_ioctl_settings);
+        if (err != -EOPNOTSUPP)
+                return err;
 
-read_val:
-        mutex_lock(&ide_setting_mtx);
-        spin_lock_irqsave(&ide_lock, flags);
-        err = *val;
-        spin_unlock_irqrestore(&ide_lock, flags);
-        mutex_unlock(&ide_setting_mtx);
-        return err >= 0 ? put_user(err, (long __user *)arg) : err;
-
-set_val:
-        if (bdev != bdev->bd_contains)
-                err = -EINVAL;
-        else {
-                if (!capable(CAP_SYS_ADMIN))
-                        err = -EACCES;
-                else {
-                        mutex_lock(&ide_setting_mtx);
-                        err = setfunc(drive, arg);
-                        mutex_unlock(&ide_setting_mtx);
-                }
-        }
-        return err;
+        return generic_ide_ioctl(drive, file, bdev, cmd, arg);
 }
 
 static int idedisk_media_changed(struct gendisk *disk)
@@ -1148,8 +1063,7 @@ static int ide_disk_probe(ide_drive_t *drive)
         /* strstr("foo", "") is non-NULL */
         if (!strstr("ide-disk", drive->driver_req))
                 goto failed;
-        if (!drive->present)
-                goto failed;
+
         if (drive->media != ide_disk)
                 goto failed;
 
@@ -1163,8 +1077,6 @@ static int ide_disk_probe(ide_drive_t *drive)
 
         ide_init_disk(g, drive);
 
-        ide_proc_register_driver(drive, &idedisk_driver);
-
         kref_init(&idkp->kref);
 
         idkp->drive = drive;
diff --git a/drivers/ide/ide-dma.c b/drivers/ide/ide-dma.c
index 3fa07c0aeaa4..ef2f1504c0d5 100644
--- a/drivers/ide/ide-dma.c
+++ b/drivers/ide/ide-dma.c
@@ -106,7 +106,7 @@ ide_startstop_t ide_dma_intr (ide_drive_t *drive)
         dma_stat = hwif->dma_ops->dma_end(drive);
         stat = hwif->tp_ops->read_status(hwif);
 
-        if (OK_STAT(stat,DRIVE_READY,drive->bad_wstat|DRQ_STAT)) {
+        if (OK_STAT(stat, DRIVE_READY, drive->bad_wstat | ATA_DRQ)) {
                 if (!dma_stat) {
                         struct request *rq = HWGROUP(drive)->rq;
 
@@ -288,7 +288,7 @@ EXPORT_SYMBOL_GPL(ide_destroy_dmatable);
 static int config_drive_for_dma (ide_drive_t *drive)
 {
         ide_hwif_t *hwif = drive->hwif;
-        struct hd_driveid *id = drive->id;
+        u16 *id = drive->id;
 
         if (drive->media != ide_disk) {
                 if (hwif->host_flags & IDE_HFLAG_NO_ATAPI_DMA)
@@ -299,16 +299,17 @@ static int config_drive_for_dma (ide_drive_t *drive)
          * Enable DMA on any drive that has
          * UltraDMA (mode 0/1/2/3/4/5/6) enabled
          */
-        if ((id->field_valid & 4) && ((id->dma_ultra >> 8) & 0x7f))
+        if ((id[ATA_ID_FIELD_VALID] & 4) &&
+            ((id[ATA_ID_UDMA_MODES] >> 8) & 0x7f))
                 return 1;
 
         /*
          * Enable DMA on any drive that has mode2 DMA
          * (multi or single) enabled
          */
-        if (id->field_valid & 2)        /* regular DMA */
-                if ((id->dma_mword & 0x404) == 0x404 ||
-                    (id->dma_1word & 0x404) == 0x404)
+        if (id[ATA_ID_FIELD_VALID] & 2) /* regular DMA */
+                if ((id[ATA_ID_MWDMA_MODES] & 0x404) == 0x404 ||
+                    (id[ATA_ID_SWDMA_MODES] & 0x404) == 0x404)
                         return 1;
 
         /* Consult the list of known "good" drives */
@@ -591,12 +592,12 @@ static inline int config_drive_for_dma(ide_drive_t *drive) { return 0; }
 
 int __ide_dma_bad_drive (ide_drive_t *drive)
 {
-        struct hd_driveid *id = drive->id;
+        u16 *id = drive->id;
 
         int blacklist = ide_in_drive_list(id, drive_blacklist);
         if (blacklist) {
                 printk(KERN_WARNING "%s: Disabling (U)DMA for %s (blacklisted)\n",
-                                    drive->name, id->model);
+                                    drive->name, (char *)&id[ATA_ID_PROD]);
                 return blacklist;
         }
         return 0;
@@ -612,21 +613,21 @@ static const u8 xfer_mode_bases[] = {
 
 static unsigned int ide_get_mode_mask(ide_drive_t *drive, u8 base, u8 req_mode)
 {
-        struct hd_driveid *id = drive->id;
+        u16 *id = drive->id;
         ide_hwif_t *hwif = drive->hwif;
         const struct ide_port_ops *port_ops = hwif->port_ops;
         unsigned int mask = 0;
 
         switch(base) {
         case XFER_UDMA_0:
-                if ((id->field_valid & 4) == 0)
+                if ((id[ATA_ID_FIELD_VALID] & 4) == 0)
                         break;
 
                 if (port_ops && port_ops->udma_filter)
                         mask = port_ops->udma_filter(drive);
                 else
                         mask = hwif->ultra_mask;
-                mask &= id->dma_ultra;
+                mask &= id[ATA_ID_UDMA_MODES];
 
                 /*
                  * avoid false cable warning from eighty_ninty_three()
@@ -637,19 +638,19 @@ static unsigned int ide_get_mode_mask(ide_drive_t *drive, u8 base, u8 req_mode)
                 }
                 break;
         case XFER_MW_DMA_0:
-                if ((id->field_valid & 2) == 0)
+                if ((id[ATA_ID_FIELD_VALID] & 2) == 0)
                         break;
                 if (port_ops && port_ops->mdma_filter)
                         mask = port_ops->mdma_filter(drive);
                 else
                         mask = hwif->mwdma_mask;
-                mask &= id->dma_mword;
+                mask &= id[ATA_ID_MWDMA_MODES];
                 break;
         case XFER_SW_DMA_0:
-                if (id->field_valid & 2) {
-                        mask = id->dma_1word & hwif->swdma_mask;
-                } else if (id->tDMA) {
-                        u8 mode = id->tDMA;
+                if (id[ATA_ID_FIELD_VALID] & 2) {
+                        mask = id[ATA_ID_SWDMA_MODES] & hwif->swdma_mask;
+                } else if (id[ATA_ID_OLD_DMA_MODES] >> 8) {
+                        u8 mode = id[ATA_ID_OLD_DMA_MODES] >> 8;
 
                         /*
                          * if the mode is valid convert it to the mask
@@ -706,7 +707,8 @@ u8 ide_find_dma_mode(ide_drive_t *drive, u8 req_mode)
                 /*
                  * is this correct?
                  */
-                if (ide_dma_good_drive(drive) && drive->id->eide_dma_time < 150)
+                if (ide_dma_good_drive(drive) &&
+                    drive->id[ATA_ID_EIDE_DMA_TIME] < 150)
                         mode = XFER_MW_DMA_1;
         }
 
@@ -725,7 +727,7 @@ static int ide_tune_dma(ide_drive_t *drive)
         ide_hwif_t *hwif = drive->hwif;
         u8 speed;
 
-        if (drive->nodma || (drive->id->capability & 1) == 0)
+        if (drive->nodma || ata_id_has_dma(drive->id) == 0)
                 return 0;
 
         /* consult the list of known "bad" drives */
@@ -767,13 +769,15 @@ static int ide_dma_check(ide_drive_t *drive)
 
 int ide_id_dma_bug(ide_drive_t *drive)
 {
-        struct hd_driveid *id = drive->id;
+        u16 *id = drive->id;
 
-        if (id->field_valid & 4) {
-                if ((id->dma_ultra >> 8) && (id->dma_mword >> 8))
+        if (id[ATA_ID_FIELD_VALID] & 4) {
+                if ((id[ATA_ID_UDMA_MODES] >> 8) &&
+                    (id[ATA_ID_MWDMA_MODES] >> 8))
                         goto err_out;
-        } else if (id->field_valid & 2) {
-                if ((id->dma_mword >> 8) && (id->dma_1word >> 8))
+        } else if (id[ATA_ID_FIELD_VALID] & 2) {
+                if ((id[ATA_ID_MWDMA_MODES] >> 8) &&
+                    (id[ATA_ID_SWDMA_MODES] >> 8))
                         goto err_out;
         }
         return 0;
diff --git a/drivers/ide/ide-floppy.c b/drivers/ide/ide-floppy.c
index e9034c0125f3..d36f155470a4 100644
--- a/drivers/ide/ide-floppy.c
+++ b/drivers/ide/ide-floppy.c
@@ -15,6 +15,8 @@
  * Documentation/ide/ChangeLog.ide-floppy.1996-2002
  */
 
+#define DRV_NAME "ide-floppy"
+
 #define IDEFLOPPY_VERSION "1.00"
 
 #include <linux/module.h>
@@ -31,8 +33,10 @@
 #include <linux/slab.h>
 #include <linux/cdrom.h>
 #include <linux/ide.h>
+#include <linux/hdreg.h>
 #include <linux/bitops.h>
 #include <linux/mutex.h>
+#include <linux/scatterlist.h>
 
 #include <scsi/scsi_ioctl.h>
 
@@ -42,6 +46,8 @@
 #include <linux/io.h>
 #include <asm/unaligned.h>
 
+#include "ide-floppy.h"
+
 /* define to see debug info */
 #define IDEFLOPPY_DEBUG_LOG             0
 
@@ -55,102 +61,23 @@
 #define debug_log(fmt, args...) do {} while (0)
 #endif
 
-
-/* Some drives require a longer irq timeout. */
-#define IDEFLOPPY_WAIT_CMD              (5 * WAIT_CMD)
-
 /*
  * After each failed packet command we issue a request sense command and retry
  * the packet command IDEFLOPPY_MAX_PC_RETRIES times.
  */
 #define IDEFLOPPY_MAX_PC_RETRIES        3
 
-/*
- * With each packet command, we allocate a buffer of IDEFLOPPY_PC_BUFFER_SIZE
- * bytes.
- */
-#define IDEFLOPPY_PC_BUFFER_SIZE        256
-
-/*
- * In various places in the driver, we need to allocate storage for packet
- * commands and requests, which will remain valid while we leave the driver to
- * wait for an interrupt or a timeout event.
- */
-#define IDEFLOPPY_PC_STACK              (10 + IDEFLOPPY_MAX_PC_RETRIES)
-
 /* format capacities descriptor codes */
 #define CAPACITY_INVALID        0x00
 #define CAPACITY_UNFORMATTED    0x01
 #define CAPACITY_CURRENT        0x02
 #define CAPACITY_NO_CARTRIDGE   0x03
 
-/*
- * Most of our global data which we need to save even as we leave the driver
- * due to an interrupt or a timer event is stored in a variable of type
- * idefloppy_floppy_t, defined below.
- */
-typedef struct ide_floppy_obj {
-        ide_drive_t     *drive;
-        ide_driver_t    *driver;
-        struct gendisk  *disk;
-        struct kref     kref;
-        unsigned int    openers;        /* protected by BKL for now */
-
-        /* Current packet command */
-        struct ide_atapi_pc *pc;
-        /* Last failed packet command */
-        struct ide_atapi_pc *failed_pc;
-        /* Packet command stack */
-        struct ide_atapi_pc pc_stack[IDEFLOPPY_PC_STACK];
-        /* Next free packet command storage space */
-        int pc_stack_index;
-        struct request rq_stack[IDEFLOPPY_PC_STACK];
-        /* We implement a circular array */
-        int rq_stack_index;
-
-        /* Last error information */
-        u8 sense_key, asc, ascq;
-        /* delay this long before sending packet command */
-        u8 ticks;
-        int progress_indication;
-
-        /* Device information */
-        /* Current format */
-        int blocks, block_size, bs_factor;
-        /* Last format capacity descriptor */
-        u8 cap_desc[8];
-        /* Copy of the flexible disk page */
-        u8 flexible_disk_page[32];
-        /* Write protect */
-        int wp;
-        /* Supports format progress report */
-        int srfp;
-} idefloppy_floppy_t;
-
 #define IDEFLOPPY_TICKS_DELAY   HZ/20   /* default delay for ZIP 100 (50ms) */
 
-/* Defines for the MODE SENSE command */
-#define MODE_SENSE_CURRENT              0x00
-#define MODE_SENSE_CHANGEABLE           0x01
-#define MODE_SENSE_DEFAULT              0x02
-#define MODE_SENSE_SAVED                0x03
-
-/* IOCTLs used in low-level formatting. */
-#define IDEFLOPPY_IOCTL_FORMAT_SUPPORTED        0x4600
-#define IDEFLOPPY_IOCTL_FORMAT_GET_CAPACITY     0x4601
-#define IDEFLOPPY_IOCTL_FORMAT_START            0x4602
-#define IDEFLOPPY_IOCTL_FORMAT_GET_PROGRESS     0x4603
-
 /* Error code returned in rq->errors to the higher part of the driver. */
 #define IDEFLOPPY_ERROR_GENERAL         101
 
-/*
- * Pages of the SELECT SENSE / MODE SENSE packet commands.
- * See SFF-8070i spec.
- */
-#define IDEFLOPPY_CAPABILITIES_PAGE     0x1b
-#define IDEFLOPPY_FLEXIBLE_DISK_PAGE    0x05
-
 static DEFINE_MUTEX(idefloppy_ref_mutex);
 
 #define to_ide_floppy(obj) container_of(obj, struct ide_floppy_obj, kref)
@@ -219,44 +146,6 @@ static int idefloppy_end_request(ide_drive_t *drive, int uptodate, int nsecs)
         return 0;
 }
 
-static void ide_floppy_io_buffers(ide_drive_t *drive, struct ide_atapi_pc *pc,
-                                  unsigned int bcount, int direction)
-{
-        ide_hwif_t *hwif = drive->hwif;
-        struct request *rq = pc->rq;
-        struct req_iterator iter;
-        struct bio_vec *bvec;
-        unsigned long flags;
-        int count, done = 0;
-        char *data;
-
-        rq_for_each_segment(bvec, rq, iter) {
-                if (!bcount)
-                        break;
-
-                count = min(bvec->bv_len, bcount);
-
-                data = bvec_kmap_irq(bvec, &flags);
-                if (direction)
-                        hwif->tp_ops->output_data(drive, NULL, data, count);
-                else
-                        hwif->tp_ops->input_data(drive, NULL, data, count);
-                bvec_kunmap_irq(data, &flags);
-
-                bcount -= count;
-                pc->b_count += count;
-                done += count;
-        }
-
-        idefloppy_end_request(drive, 1, done >> 9);
-
-        if (bcount) {
-                printk(KERN_ERR "%s: leftover data in %s, bcount == %d\n",
-                                drive->name, __func__, bcount);
-                ide_pad_transfer(drive, direction, bcount);
-        }
-}
-
 static void idefloppy_update_buffers(ide_drive_t *drive,
                                 struct ide_atapi_pc *pc)
 {
@@ -267,43 +156,6 @@ static void idefloppy_update_buffers(ide_drive_t *drive,
                 idefloppy_end_request(drive, 1, 0);
 }
 
-/*
- * Generate a new packet command request in front of the request queue, before
- * the current request so that it will be processed immediately, on the next
- * pass through the driver.
- */
-static void idefloppy_queue_pc_head(ide_drive_t *drive, struct ide_atapi_pc *pc,
-                struct request *rq)
-{
-        struct ide_floppy_obj *floppy = drive->driver_data;
-
-        blk_rq_init(NULL, rq);
-        rq->buffer = (char *) pc;
-        rq->cmd_type = REQ_TYPE_SPECIAL;
-        rq->cmd_flags |= REQ_PREEMPT;
-        rq->rq_disk = floppy->disk;
-        memcpy(rq->cmd, pc->c, 12);
-        ide_do_drive_cmd(drive, rq);
-}
-
-static struct ide_atapi_pc *idefloppy_next_pc_storage(ide_drive_t *drive)
-{
-        idefloppy_floppy_t *floppy = drive->driver_data;
-
-        if (floppy->pc_stack_index == IDEFLOPPY_PC_STACK)
-                floppy->pc_stack_index = 0;
-        return (&floppy->pc_stack[floppy->pc_stack_index++]);
-}
-
-static struct request *idefloppy_next_rq_storage(ide_drive_t *drive)
-{
-        idefloppy_floppy_t *floppy = drive->driver_data;
-
-        if (floppy->rq_stack_index == IDEFLOPPY_PC_STACK)
-                floppy->rq_stack_index = 0;
-        return (&floppy->rq_stack[floppy->rq_stack_index++]);
-}
-
 static void ide_floppy_callback(ide_drive_t *drive)
 {
         idefloppy_floppy_t *floppy = drive->driver_data;
@@ -341,16 +193,9 @@ static void ide_floppy_callback(ide_drive_t *drive)
         idefloppy_end_request(drive, uptodate, 0);
 }
 
-static void idefloppy_init_pc(struct ide_atapi_pc *pc)
-{
-        memset(pc, 0, sizeof(*pc));
-        pc->buf = pc->pc_buf;
-        pc->buf_size = IDEFLOPPY_PC_BUFFER_SIZE;
-}
-
-static void idefloppy_create_request_sense_cmd(struct ide_atapi_pc *pc)
+void ide_floppy_create_request_sense_cmd(struct ide_atapi_pc *pc)
 {
-        idefloppy_init_pc(pc);
+        ide_init_pc(pc);
         pc->c[0] = GPCMD_REQUEST_SENSE;
         pc->c[4] = 255;
         pc->req_xfer = 18;
@@ -362,14 +207,13 @@ static void idefloppy_create_request_sense_cmd(struct ide_atapi_pc *pc)
  */
 static void idefloppy_retry_pc(ide_drive_t *drive)
 {
-        struct ide_atapi_pc *pc;
-        struct request *rq;
+        struct ide_floppy_obj *floppy = drive->driver_data;
+        struct request *rq = &floppy->request_sense_rq;
+        struct ide_atapi_pc *pc = &floppy->request_sense_pc;
 
         (void)ide_read_error(drive);
-        pc = idefloppy_next_pc_storage(drive);
-        rq = idefloppy_next_rq_storage(drive);
-        idefloppy_create_request_sense_cmd(pc);
-        idefloppy_queue_pc_head(drive, pc, rq);
+        ide_floppy_create_request_sense_cmd(pc);
+        ide_queue_pc_head(drive, floppy->disk, pc, rq);
 }
 
 /* The usual interrupt handler called during a packet command. */
@@ -378,8 +222,8 @@ static ide_startstop_t idefloppy_pc_intr(ide_drive_t *drive)
         idefloppy_floppy_t *floppy = drive->driver_data;
 
         return ide_pc_intr(drive, floppy->pc, idefloppy_pc_intr,
-                           IDEFLOPPY_WAIT_CMD, NULL, idefloppy_update_buffers,
-                           idefloppy_retry_pc, NULL, ide_floppy_io_buffers);
+                           WAIT_FLOPPY_CMD, NULL, idefloppy_update_buffers,
+                           idefloppy_retry_pc, NULL, ide_io_buffers);
 }
 
 /*
@@ -396,10 +240,9 @@ static int idefloppy_transfer_pc(ide_drive_t *drive)
         drive->hwif->tp_ops->output_data(drive, NULL, floppy->pc->c, 12);
 
         /* Timeout for the packet command */
-        return IDEFLOPPY_WAIT_CMD;
+        return WAIT_FLOPPY_CMD;
 }
 
-
 /*
  * Called as an interrupt (or directly). When the device says it's ready for a
  * packet, we schedule the packet transfer to occur about 2-3 ticks later in
@@ -424,7 +267,7 @@ static ide_startstop_t idefloppy_start_pc_transfer(ide_drive_t *drive)
                 timeout = floppy->ticks;
                 expiry = &idefloppy_transfer_pc;
         } else {
-                timeout = IDEFLOPPY_WAIT_CMD;
+                timeout = WAIT_FLOPPY_CMD;
                 expiry = NULL;
         }
 
@@ -474,58 +317,27 @@ static ide_startstop_t idefloppy_issue_pc(ide_drive_t *drive,
         pc->retries++;
 
         return ide_issue_pc(drive, pc, idefloppy_start_pc_transfer,
-                            IDEFLOPPY_WAIT_CMD, NULL);
-}
-
-static void idefloppy_create_prevent_cmd(struct ide_atapi_pc *pc, int prevent)
-{
-        debug_log("creating prevent removal command, prevent = %d\n", prevent);
-
-        idefloppy_init_pc(pc);
-        pc->c[0] = GPCMD_PREVENT_ALLOW_MEDIUM_REMOVAL;
-        pc->c[4] = prevent;
+                            WAIT_FLOPPY_CMD, NULL);
 }
 
-static void idefloppy_create_read_capacity_cmd(struct ide_atapi_pc *pc)
+void ide_floppy_create_read_capacity_cmd(struct ide_atapi_pc *pc)
 {
-        idefloppy_init_pc(pc);
+        ide_init_pc(pc);
         pc->c[0] = GPCMD_READ_FORMAT_CAPACITIES;
         pc->c[7] = 255;
         pc->c[8] = 255;
         pc->req_xfer = 255;
 }
 
-static void idefloppy_create_format_unit_cmd(struct ide_atapi_pc *pc, int b,
-                int l, int flags)
-{
-        idefloppy_init_pc(pc);
-        pc->c[0] = GPCMD_FORMAT_UNIT;
-        pc->c[1] = 0x17;
-
-        memset(pc->buf, 0, 12);
-        pc->buf[1] = 0xA2;
-        /* Default format list header, u8 1: FOV/DCRT/IMM bits set */
-
-        if (flags & 1)                          /* Verify bit on... */
-                pc->buf[1] ^= 0x20;             /* ... turn off DCRT bit */
-        pc->buf[3] = 8;
-
-        put_unaligned(cpu_to_be32(b), (unsigned int *)(&pc->buf[4]));
-        put_unaligned(cpu_to_be32(l), (unsigned int *)(&pc->buf[8]));
-        pc->buf_size = 12;
-        pc->flags |= PC_FLAG_WRITING;
-}
-
 /* A mode sense command is used to "sense" floppy parameters. */
-static void idefloppy_create_mode_sense_cmd(struct ide_atapi_pc *pc,
-                u8 page_code, u8 type)
+void ide_floppy_create_mode_sense_cmd(struct ide_atapi_pc *pc, u8 page_code)
 {
         u16 length = 8; /* sizeof(Mode Parameter Header) = 8 Bytes */
 
-        idefloppy_init_pc(pc);
+        ide_init_pc(pc);
         pc->c[0] = GPCMD_MODE_SENSE_10;
         pc->c[1] = 0;
-        pc->c[2] = page_code + (type << 6);
+        pc->c[2] = page_code;
 
         switch (page_code) {
         case IDEFLOPPY_CAPABILITIES_PAGE:
@@ -542,13 +354,6 @@ static void idefloppy_create_mode_sense_cmd(struct ide_atapi_pc *pc,
         pc->req_xfer = length;
 }
 
-static void idefloppy_create_start_stop_cmd(struct ide_atapi_pc *pc, int start)
-{
-        idefloppy_init_pc(pc);
-        pc->c[0] = GPCMD_START_STOP_UNIT;
-        pc->c[4] = start;
-}
-
 static void idefloppy_create_rw_cmd(idefloppy_floppy_t *floppy,
                                     struct ide_atapi_pc *pc, struct request *rq,
                                     unsigned long sector)
@@ -560,7 +365,7 @@ static void idefloppy_create_rw_cmd(idefloppy_floppy_t *floppy,
         debug_log("create_rw10_cmd: block == %d, blocks == %d\n",
                 block, blocks);
 
-        idefloppy_init_pc(pc);
+        ide_init_pc(pc);
         pc->c[0] = cmd == READ ? GPCMD_READ_10 : GPCMD_WRITE_10;
         put_unaligned(cpu_to_be16(blocks), (unsigned short *)&pc->c[7]);
         put_unaligned(cpu_to_be32(block), (unsigned int *) &pc->c[2]);
@@ -568,7 +373,7 @@ static void idefloppy_create_rw_cmd(idefloppy_floppy_t *floppy,
         memcpy(rq->cmd, pc->c, 12);
 
         pc->rq = rq;
-        pc->b_count = cmd == READ ? 0 : rq->bio->bi_size;
+        pc->b_count = 0;
         if (rq->cmd_flags & REQ_RW)
                 pc->flags |= PC_FLAG_WRITING;
         pc->buf = NULL;
@@ -579,10 +384,10 @@ static void idefloppy_create_rw_cmd(idefloppy_floppy_t *floppy,
 static void idefloppy_blockpc_cmd(idefloppy_floppy_t *floppy,
                 struct ide_atapi_pc *pc, struct request *rq)
 {
-        idefloppy_init_pc(pc);
+        ide_init_pc(pc);
         memcpy(pc->c, rq->cmd, sizeof(pc->c));
         pc->rq = rq;
-        pc->b_count = rq->data_len;
+        pc->b_count = 0;
         if (rq->data_len && rq_data_dir(rq) == WRITE)
                 pc->flags |= PC_FLAG_WRITING;
         pc->buf = rq->data;
@@ -599,15 +404,17 @@ static ide_startstop_t idefloppy_do_request(ide_drive_t *drive,
                 struct request *rq, sector_t block_s)
 {
         idefloppy_floppy_t *floppy = drive->driver_data;
+        ide_hwif_t *hwif = drive->hwif;
         struct ide_atapi_pc *pc;
         unsigned long block = (unsigned long)block_s;
 
-        debug_log("dev: %s, cmd_type: %x, errors: %d\n",
-                        rq->rq_disk ? rq->rq_disk->disk_name : "?",
-                        rq->cmd_type, rq->errors);
-        debug_log("sector: %ld, nr_sectors: %ld, "
-                        "current_nr_sectors: %d\n", (long)rq->sector,
-                        rq->nr_sectors, rq->current_nr_sectors);
+        debug_log("%s: dev: %s, cmd: 0x%x, cmd_type: %x, errors: %d\n",
+                  __func__, rq->rq_disk ? rq->rq_disk->disk_name : "?",
+                  rq->cmd[0], rq->cmd_type, rq->errors);
+
+        debug_log("%s: sector: %ld, nr_sectors: %ld, current_nr_sectors: %d\n",
+                  __func__, (long)rq->sector, rq->nr_sectors,
+                  rq->current_nr_sectors);
 
         if (rq->errors >= ERROR_MAX) {
                 if (floppy->failed_pc)
@@ -626,12 +433,12 @@ static ide_startstop_t idefloppy_do_request(ide_drive_t *drive,
                         idefloppy_end_request(drive, 0, 0);
                         return ide_stopped;
                 }
-                pc = idefloppy_next_pc_storage(drive);
+                pc = &floppy->queued_pc;
                 idefloppy_create_rw_cmd(floppy, pc, rq, block);
         } else if (blk_special_request(rq)) {
                 pc = (struct ide_atapi_pc *) rq->buffer;
         } else if (blk_pc_request(rq)) {
-                pc = idefloppy_next_pc_storage(drive);
+                pc = &floppy->queued_pc;
                 idefloppy_blockpc_cmd(floppy, pc, rq);
         } else {
                 blk_dump_rq_flags(rq,
@@ -640,29 +447,15 @@ static ide_startstop_t idefloppy_do_request(ide_drive_t *drive,
                 return ide_stopped;
         }
 
-        pc->rq = rq;
+        ide_init_sg_cmd(drive, rq);
+        ide_map_sg(drive, rq);
 
-        return idefloppy_issue_pc(drive, pc);
-}
+        pc->sg = hwif->sg_table;
+        pc->sg_cnt = hwif->sg_nents;
 
-/*
- * Add a special packet command request to the tail of the request queue,
- * and wait for it to be serviced.
- */
-static int idefloppy_queue_pc_tail(ide_drive_t *drive, struct ide_atapi_pc *pc)
-{
-        struct ide_floppy_obj *floppy = drive->driver_data;
-        struct request *rq;
-        int error;
-
-        rq = blk_get_request(drive->queue, READ, __GFP_WAIT);
-        rq->buffer = (char *) pc;
-        rq->cmd_type = REQ_TYPE_SPECIAL;
-        memcpy(rq->cmd, pc->c, 12);
-        error = blk_execute_rq(drive->queue, floppy->disk, rq, 0);
-        blk_put_request(rq);
+        pc->rq = rq;
 
-        return error;
+        return idefloppy_issue_pc(drive, pc);
 }
 
 /*
@@ -672,22 +465,28 @@ static int idefloppy_queue_pc_tail(ide_drive_t *drive, struct ide_atapi_pc *pc)
 static int ide_floppy_get_flexible_disk_page(ide_drive_t *drive)
 {
         idefloppy_floppy_t *floppy = drive->driver_data;
+        struct gendisk *disk = floppy->disk;
         struct ide_atapi_pc pc;
         u8 *page;
         int capacity, lba_capacity;
         u16 transfer_rate, sector_size, cyls, rpm;
         u8 heads, sectors;
 
-        idefloppy_create_mode_sense_cmd(&pc, IDEFLOPPY_FLEXIBLE_DISK_PAGE,
-                                        MODE_SENSE_CURRENT);
+        ide_floppy_create_mode_sense_cmd(&pc, IDEFLOPPY_FLEXIBLE_DISK_PAGE);
 
-        if (idefloppy_queue_pc_tail(drive, &pc)) {
+        if (ide_queue_pc_tail(drive, disk, &pc)) {
                 printk(KERN_ERR "ide-floppy: Can't get flexible disk page"
                                 " parameters\n");
                 return 1;
         }
-        floppy->wp = !!(pc.buf[3] & 0x80);
-        set_disk_ro(floppy->disk, floppy->wp);
+
+        if (pc.buf[3] & 0x80)
+                drive->atapi_flags |= IDE_AFLAG_WP;
+        else
+                drive->atapi_flags &= ~IDE_AFLAG_WP;
+
+        set_disk_ro(disk, !!(drive->atapi_flags & IDE_AFLAG_WP));
+
         page = &pc.buf[8];
 
         transfer_rate = be16_to_cpup((__be16 *)&pc.buf[8 + 2]);
@@ -721,23 +520,6 @@ static int ide_floppy_get_flexible_disk_page(ide_drive_t *drive)
         return 0;
 }
 
-static int idefloppy_get_sfrp_bit(ide_drive_t *drive)
-{
-        idefloppy_floppy_t *floppy = drive->driver_data;
-        struct ide_atapi_pc pc;
-
-        floppy->srfp = 0;
-        idefloppy_create_mode_sense_cmd(&pc, IDEFLOPPY_CAPABILITIES_PAGE,
-                                                 MODE_SENSE_CURRENT);
-
-        pc.flags |= PC_FLAG_SUPPRESS_ERROR;
-        if (idefloppy_queue_pc_tail(drive, &pc))
-                return 1;
-
-        floppy->srfp = pc.buf[8 + 2] & 0x40;
-        return (0);
-}
-
 /*
  * Determine if a media is present in the floppy drive, and if so, its LBA
  * capacity.
@@ -745,6 +527,7 @@ static int idefloppy_get_sfrp_bit(ide_drive_t *drive)
 static int ide_floppy_get_capacity(ide_drive_t *drive)
 {
         idefloppy_floppy_t *floppy = drive->driver_data;
+        struct gendisk *disk = floppy->disk;
         struct ide_atapi_pc pc;
         u8 *cap_desc;
         u8 header_len, desc_cnt;
@@ -756,8 +539,8 @@ static int ide_floppy_get_capacity(ide_drive_t *drive)
         floppy->bs_factor = 1;
         set_capacity(floppy->disk, 0);
 
-        idefloppy_create_read_capacity_cmd(&pc);
-        if (idefloppy_queue_pc_tail(drive, &pc)) {
+        ide_floppy_create_read_capacity_cmd(&pc);
+        if (ide_queue_pc_tail(drive, disk, &pc)) {
                 printk(KERN_ERR "ide-floppy: Can't get floppy parameters\n");
                 return 1;
         }
@@ -832,202 +615,55 @@ static int ide_floppy_get_capacity(ide_drive_t *drive)
         if (!(drive->atapi_flags & IDE_AFLAG_CLIK_DRIVE))
                 (void) ide_floppy_get_flexible_disk_page(drive);
 
-        set_capacity(floppy->disk, floppy->blocks * floppy->bs_factor);
+        set_capacity(disk, floppy->blocks * floppy->bs_factor);
+
         return rc;
 }
 
-/*
- * Obtain the list of formattable capacities.
- * Very similar to ide_floppy_get_capacity, except that we push the capacity
- * descriptors to userland, instead of our own structures.
- *
- * Userland gives us the following structure:
- *
- * struct idefloppy_format_capacities {
- *      int nformats;
- *      struct {
- *              int nblocks;
- *              int blocksize;
- *      } formats[];
- * };
- *
- * userland initializes nformats to the number of allocated formats[] records.
- * On exit we set nformats to the number of records we've actually initialized.
- */
-
-static int ide_floppy_get_format_capacities(ide_drive_t *drive, int __user *arg)
+static sector_t idefloppy_capacity(ide_drive_t *drive)
 {
-        struct ide_atapi_pc pc;
-        u8 header_len, desc_cnt;
-        int i, blocks, length, u_array_size, u_index;
-        int __user *argp;
-
-        if (get_user(u_array_size, arg))
-                return (-EFAULT);
-
-        if (u_array_size <= 0)
-                return (-EINVAL);
-
-        idefloppy_create_read_capacity_cmd(&pc);
-        if (idefloppy_queue_pc_tail(drive, &pc)) {
-                printk(KERN_ERR "ide-floppy: Can't get floppy parameters\n");
-                return (-EIO);
-        }
-        header_len = pc.buf[3];
-        desc_cnt = header_len / 8; /* capacity descriptor of 8 bytes */
-
-        u_index = 0;
-        argp = arg + 1;
-
-        /*
-         * We always skip the first capacity descriptor.  That's the current
-         * capacity.  We are interested in the remaining descriptors, the
-         * formattable capacities.
-         */
-        for (i = 1; i < desc_cnt; i++) {
-                unsigned int desc_start = 4 + i*8;
-
-                if (u_index >= u_array_size)
-                        break;  /* User-supplied buffer too small */
-
-                blocks = be32_to_cpup((__be32 *)&pc.buf[desc_start]);
-                length = be16_to_cpup((__be16 *)&pc.buf[desc_start + 6]);
-
-                if (put_user(blocks, argp))
-                        return(-EFAULT);
-                ++argp;
-
-                if (put_user(length, argp))
-                        return (-EFAULT);
-                ++argp;
-
-                ++u_index;
-        }
+        idefloppy_floppy_t *floppy = drive->driver_data;
+        unsigned long capacity = floppy->blocks * floppy->bs_factor;
 
-        if (put_user(u_index, arg))
-                return (-EFAULT);
-        return (0);
+        return capacity;
 }
 
-/*
- * Get ATAPI_FORMAT_UNIT progress indication.
- *
- * Userland gives a pointer to an int.  The int is set to a progress
- * indicator 0-65536, with 65536=100%.
- *
- * If the drive does not support format progress indication, we just check
- * the dsc bit, and return either 0 or 65536.
- */
+#ifdef CONFIG_IDE_PROC_FS
+ide_devset_rw_field(bios_cyl, bios_cyl);
+ide_devset_rw_field(bios_head, bios_head);
+ide_devset_rw_field(bios_sect, bios_sect);
 
-static int idefloppy_get_format_progress(ide_drive_t *drive, int __user *arg)
+static int get_ticks(ide_drive_t *drive)
 {
         idefloppy_floppy_t *floppy = drive->driver_data;
-        struct ide_atapi_pc pc;
-        int progress_indication = 0x10000;
-
-        if (floppy->srfp) {
-                idefloppy_create_request_sense_cmd(&pc);
-                if (idefloppy_queue_pc_tail(drive, &pc))
-                        return (-EIO);
-
-                if (floppy->sense_key == 2 &&
-                    floppy->asc == 4 &&
-                    floppy->ascq == 4)
-                        progress_indication = floppy->progress_indication;
-
-                /* Else assume format_unit has finished, and we're at 0x10000 */
-        } else {
-                ide_hwif_t *hwif = drive->hwif;
-                unsigned long flags;
-                u8 stat;
-
-                local_irq_save(flags);
-                stat = hwif->tp_ops->read_status(hwif);
-                local_irq_restore(flags);
-
-                progress_indication = ((stat & SEEK_STAT) == 0) ? 0 : 0x10000;
-        }
-        if (put_user(progress_indication, arg))
-                return (-EFAULT);
-
-        return (0);
+        return floppy->ticks;
 }
 
-static sector_t idefloppy_capacity(ide_drive_t *drive)
+static int set_ticks(ide_drive_t *drive, int arg)
 {
         idefloppy_floppy_t *floppy = drive->driver_data;
-        unsigned long capacity = floppy->blocks * floppy->bs_factor;
-
-        return capacity;
-}
-
-/*
- * Check whether we can support a drive, based on the ATAPI IDENTIFY command
- * results.
- */
-static int idefloppy_identify_device(ide_drive_t *drive, struct hd_driveid *id)
-{
-        u8 gcw[2];
-        u8 device_type, protocol, removable, drq_type, packet_size;
-
-        *((u16 *) &gcw) = id->config;
-
-        device_type =  gcw[1] & 0x1F;
-        removable   = (gcw[0] & 0x80) >> 7;
-        protocol    = (gcw[1] & 0xC0) >> 6;
-        drq_type    = (gcw[0] & 0x60) >> 5;
-        packet_size =  gcw[0] & 0x03;
-
-#ifdef CONFIG_PPC
-        /* kludge for Apple PowerBook internal zip */
-        if (device_type == 5 &&
-            !strstr(id->model, "CD-ROM") && strstr(id->model, "ZIP"))
-                device_type = 0;
-#endif
-
-        if (protocol != 2)
-                printk(KERN_ERR "ide-floppy: Protocol (0x%02x) is not ATAPI\n",
-                        protocol);
-        else if (device_type != 0)
-                printk(KERN_ERR "ide-floppy: Device type (0x%02x) is not set "
-                                "to floppy\n", device_type);
-        else if (!removable)
-                printk(KERN_ERR "ide-floppy: The removable flag is not set\n");
-        else if (drq_type == 3)
-                printk(KERN_ERR "ide-floppy: Sorry, DRQ type (0x%02x) not "
-                                "supported\n", drq_type);
-        else if (packet_size != 0)
-                printk(KERN_ERR "ide-floppy: Packet size (0x%02x) is not 12 "
-                                "bytes\n", packet_size);
-        else
-                return 1;
+        floppy->ticks = arg;
         return 0;
 }
 
-#ifdef CONFIG_IDE_PROC_FS
-static void idefloppy_add_settings(ide_drive_t *drive)
-{
-        idefloppy_floppy_t *floppy = drive->driver_data;
+IDE_DEVSET(ticks, DS_SYNC, get_ticks, set_ticks);
 
-        ide_add_setting(drive, "bios_cyl", SETTING_RW, TYPE_INT, 0, 1023, 1, 1,
-                        &drive->bios_cyl, NULL);
-        ide_add_setting(drive, "bios_head", SETTING_RW, TYPE_BYTE, 0, 255, 1, 1,
-                        &drive->bios_head, NULL);
-        ide_add_setting(drive, "bios_sect", SETTING_RW, TYPE_BYTE, 0,  63, 1, 1,
-                        &drive->bios_sect, NULL);
-        ide_add_setting(drive, "ticks",    SETTING_RW, TYPE_BYTE, 0, 255, 1, 1,
-                        &floppy->ticks,  NULL);
-}
-#else
-static inline void idefloppy_add_settings(ide_drive_t *drive) { ; }
+static const struct ide_proc_devset idefloppy_settings[] = {
+        IDE_PROC_DEVSET(bios_cyl,  0, 1023),
+        IDE_PROC_DEVSET(bios_head, 0,  255),
+        IDE_PROC_DEVSET(bios_sect, 0,   63),
+        IDE_PROC_DEVSET(ticks,     0,  255),
+        { 0 },
+};
 #endif
 
 static void idefloppy_setup(ide_drive_t *drive, idefloppy_floppy_t *floppy)
 {
+        u16 *id = drive->id;
         u8 gcw[2];
 
-        *((u16 *) &gcw) = drive->id->config;
-        floppy->pc = floppy->pc_stack;
+        *((u16 *)&gcw) = id[ATA_ID_CONFIG];
+
         drive->pc_callback = ide_floppy_callback;
 
         if (((gcw[0] & 0x60) >> 5) == 1)
@@ -1041,7 +677,7 @@ static void idefloppy_setup(ide_drive_t *drive, idefloppy_floppy_t *floppy)
          * it. It should be fixed as of version 1.9, but to be on the safe side
          * we'll leave the limitation below for the 2.2.x tree.
          */
-        if (!strncmp(drive->id->model, "IOMEGA ZIP 100 ATAPI", 20)) {
+        if (!strncmp((char *)&id[ATA_ID_PROD], "IOMEGA ZIP 100 ATAPI", 20)) {
                 drive->atapi_flags |= IDE_AFLAG_ZIP_DRIVE;
                 /* This value will be visible in the /proc/ide/hdx/settings */
                 floppy->ticks = IDEFLOPPY_TICKS_DELAY;
@@ -1052,13 +688,16 @@ static void idefloppy_setup(ide_drive_t *drive, idefloppy_floppy_t *floppy)
          * Guess what? The IOMEGA Clik! drive also needs the above fix. It makes
          * nasty clicking noises without it, so please don't remove this.
          */
-        if (strncmp(drive->id->model, "IOMEGA Clik!", 11) == 0) {
+        if (strncmp((char *)&id[ATA_ID_PROD], "IOMEGA Clik!", 11) == 0) {
                 blk_queue_max_sectors(drive->queue, 64);
                 drive->atapi_flags |= IDE_AFLAG_CLIK_DRIVE;
+                /* IOMEGA Clik! drives do not support lock/unlock commands */
+                drive->atapi_flags |= IDE_AFLAG_NO_DOORLOCK;
         }
 
         (void) ide_floppy_get_capacity(drive);
-        idefloppy_add_settings(drive);
+
+        ide_proc_register_driver(drive, floppy->driver);
 }
 
 static void ide_floppy_remove(ide_drive_t *drive)
@@ -1115,12 +754,12 @@ static ide_driver_t idefloppy_driver = {
         .remove                 = ide_floppy_remove,
         .version                = IDEFLOPPY_VERSION,
         .media                  = ide_floppy,
-        .supports_dsc_overlap   = 0,
         .do_request             = idefloppy_do_request,
         .end_request            = idefloppy_end_request,
         .error                  = __ide_error,
 #ifdef CONFIG_IDE_PROC_FS
         .proc                   = idefloppy_proc,
+        .settings               = idefloppy_settings,
 #endif
 };
 
@@ -1129,7 +768,6 @@ static int idefloppy_open(struct inode *inode, struct file *filp)
         struct gendisk *disk = inode->i_bdev->bd_disk;
         struct ide_floppy_obj *floppy;
         ide_drive_t *drive;
-        struct ide_atapi_pc pc;
         int ret = 0;
 
         debug_log("Reached %s\n", __func__);
@@ -1146,13 +784,8 @@ static int idefloppy_open(struct inode *inode, struct file *filp)
                 drive->atapi_flags &= ~IDE_AFLAG_FORMAT_IN_PROGRESS;
                 /* Just in case */
 
-                idefloppy_init_pc(&pc);
-                pc.c[0] = GPCMD_TEST_UNIT_READY;
-
-                if (idefloppy_queue_pc_tail(drive, &pc)) {
-                        idefloppy_create_start_stop_cmd(&pc, 1);
-                        (void) idefloppy_queue_pc_tail(drive, &pc);
-                }
+                if (ide_do_test_unit_ready(drive, disk))
+                        ide_do_start_stop(drive, disk, 1);
 
                 if (ide_floppy_get_capacity(drive)
                    && (filp->f_flags & O_NDELAY) == 0
@@ -1166,16 +799,13 @@ static int idefloppy_open(struct inode *inode, struct file *filp)
                         goto out_put_floppy;
                 }
 
-                if (floppy->wp && (filp->f_mode & 2)) {
+                if ((drive->atapi_flags & IDE_AFLAG_WP) && (filp->f_mode & 2)) {
                         ret = -EROFS;
                         goto out_put_floppy;
                 }
+
                 drive->atapi_flags |= IDE_AFLAG_MEDIA_CHANGED;
-                /* IOMEGA Clik! drives do not support lock/unlock commands */
-                if (!(drive->atapi_flags & IDE_AFLAG_CLIK_DRIVE)) {
-                        idefloppy_create_prevent_cmd(&pc, 1);
-                        (void) idefloppy_queue_pc_tail(drive, &pc);
-                }
+                ide_set_media_lock(drive, disk, 1);
                 check_disk_change(inode->i_bdev);
         } else if (drive->atapi_flags & IDE_AFLAG_FORMAT_IN_PROGRESS) {
                 ret = -EBUSY;
@@ -1194,17 +824,11 @@ static int idefloppy_release(struct inode *inode, struct file *filp)
         struct gendisk *disk = inode->i_bdev->bd_disk;
         struct ide_floppy_obj *floppy = ide_floppy_g(disk);
         ide_drive_t *drive = floppy->drive;
-        struct ide_atapi_pc pc;
 
         debug_log("Reached %s\n", __func__);
 
         if (floppy->openers == 1) {
-                /* IOMEGA Clik! drives do not support lock/unlock commands */
-                if (!(drive->atapi_flags & IDE_AFLAG_CLIK_DRIVE)) {
-                        idefloppy_create_prevent_cmd(&pc, 0);
-                        (void) idefloppy_queue_pc_tail(drive, &pc);
-                }
-
+                ide_set_media_lock(drive, disk, 0);
                 drive->atapi_flags &= ~IDE_AFLAG_FORMAT_IN_PROGRESS;
         }
 
@@ -1230,80 +854,20 @@ static int ide_floppy_lockdoor(ide_drive_t *drive, struct ide_atapi_pc *pc,
                                unsigned long arg, unsigned int cmd)
 {
         idefloppy_floppy_t *floppy = drive->driver_data;
+        struct gendisk *disk = floppy->disk;
+        int prevent = (arg && cmd != CDROMEJECT) ? 1 : 0;
 
         if (floppy->openers > 1)
                 return -EBUSY;
 
-        /* The IOMEGA Clik! Drive doesn't support this command -
-         * no room for an eject mechanism */
-        if (!(drive->atapi_flags & IDE_AFLAG_CLIK_DRIVE)) {
-                int prevent = arg ? 1 : 0;
-
-                if (cmd == CDROMEJECT)
-                        prevent = 0;
+        ide_set_media_lock(drive, disk, prevent);
 
-                idefloppy_create_prevent_cmd(pc, prevent);
-                (void) idefloppy_queue_pc_tail(floppy->drive, pc);
-        }
-
-        if (cmd == CDROMEJECT) {
-                idefloppy_create_start_stop_cmd(pc, 2);
-                (void) idefloppy_queue_pc_tail(floppy->drive, pc);
-        }
+        if (cmd == CDROMEJECT)
+                ide_do_start_stop(drive, disk, 2);
 
         return 0;
 }
 
-static int ide_floppy_format_unit(idefloppy_floppy_t *floppy,
-                                  int __user *arg)
-{
-        struct ide_atapi_pc pc;
-        ide_drive_t *drive = floppy->drive;
-        int blocks, length, flags, err = 0;
-
-        if (floppy->openers > 1) {
-                /* Don't format if someone is using the disk */
-                drive->atapi_flags &= ~IDE_AFLAG_FORMAT_IN_PROGRESS;
-                return -EBUSY;
-        }
-
-        drive->atapi_flags |= IDE_AFLAG_FORMAT_IN_PROGRESS;
-
-        /*
-         * Send ATAPI_FORMAT_UNIT to the drive.
-         *
-         * Userland gives us the following structure:
-         *
-         * struct idefloppy_format_command {
-         *        int nblocks;
-         *        int blocksize;
-         *        int flags;
-         *        } ;
-         *
-         * flags is a bitmask, currently, the only defined flag is:
-         *
-         *        0x01 - verify media after format.
-         */
-        if (get_user(blocks, arg) ||
-                        get_user(length, arg+1) ||
-                        get_user(flags, arg+2)) {
-                err = -EFAULT;
-                goto out;
-        }
-
-        (void) idefloppy_get_sfrp_bit(drive);
-        idefloppy_create_format_unit_cmd(&pc, blocks, length, flags);
-
-        if (idefloppy_queue_pc_tail(drive, &pc))
-                err = -EIO;
-
-out:
-        if (err)
-                drive->atapi_flags &= ~IDE_AFLAG_FORMAT_IN_PROGRESS;
-        return err;
-}
-
-
 static int idefloppy_ioctl(struct inode *inode, struct file *file,
                         unsigned int cmd, unsigned long arg)
 {
@@ -1314,23 +878,12 @@ static int idefloppy_ioctl(struct inode *inode, struct file *file,
         void __user *argp = (void __user *)arg;
         int err;
 
-        switch (cmd) {
-        case CDROMEJECT:
-                /* fall through */
-        case CDROM_LOCKDOOR:
+        if (cmd == CDROMEJECT || cmd == CDROM_LOCKDOOR)
                 return ide_floppy_lockdoor(drive, &pc, arg, cmd);
-        case IDEFLOPPY_IOCTL_FORMAT_SUPPORTED:
-                return 0;
-        case IDEFLOPPY_IOCTL_FORMAT_GET_CAPACITY:
-                return ide_floppy_get_format_capacities(drive, argp);
-        case IDEFLOPPY_IOCTL_FORMAT_START:
-                if (!(file->f_mode & 2))
-                        return -EPERM;
-
-                return ide_floppy_format_unit(floppy, (int __user *)arg);
-        case IDEFLOPPY_IOCTL_FORMAT_GET_PROGRESS:
-                return idefloppy_get_format_progress(drive, argp);
-        }
+
+        err = ide_floppy_format_ioctl(drive, file, cmd, argp);
+        if (err != -ENOTTY)
+                return err;
 
         /*
          * skip SCSI_IOCTL_SEND_COMMAND (deprecated)
@@ -1339,8 +892,6 @@ static int idefloppy_ioctl(struct inode *inode, struct file *file,
         if (cmd != CDROM_SEND_PACKET && cmd != SCSI_IOCTL_SEND_COMMAND)
                 err = scsi_cmd_ioctl(file, bdev->bd_disk->queue,
                                         bdev->bd_disk, cmd, argp);
-        else
-                err = -ENOTTY;
 
         if (err == -ENOTTY)
                 err = generic_ide_ioctl(drive, file, bdev, cmd, arg);
@@ -1388,11 +939,11 @@ static int ide_floppy_probe(ide_drive_t *drive)
 
         if (!strstr("ide-floppy", drive->driver_req))
                 goto failed;
-        if (!drive->present)
-                goto failed;
+
         if (drive->media != ide_floppy)
                 goto failed;
-        if (!idefloppy_identify_device(drive, drive->id)) {
+
+        if (!ide_check_atapi_device(drive, DRV_NAME)) {
                 printk(KERN_ERR "ide-floppy: %s: not supported by this version"
                                 " of ide-floppy\n", drive->name);
                 goto failed;
@@ -1410,8 +961,6 @@ static int ide_floppy_probe(ide_drive_t *drive)
 
         ide_init_disk(g, drive);
 
-        ide_proc_register_driver(drive, &idefloppy_driver);
-
         kref_init(&floppy->kref);
 
         floppy->drive = drive;
@@ -1450,6 +999,7 @@ static int __init idefloppy_init(void)
 }
 
 MODULE_ALIAS("ide:*m-floppy*");
+MODULE_ALIAS("ide-floppy");
 module_init(idefloppy_init);
 module_exit(idefloppy_exit);
 MODULE_LICENSE("GPL");
diff --git a/drivers/ide/ide-floppy.h b/drivers/ide/ide-floppy.h
new file mode 100644
index 000000000000..ecadc2bc322d
--- /dev/null
+++ b/drivers/ide/ide-floppy.h
@@ -0,0 +1,63 @@
+#ifndef __IDE_FLOPPY_H
+#define __IDE_FLOPPY_H
+
+/*
+ * Most of our global data which we need to save even as we leave the driver
+ * due to an interrupt or a timer event is stored in a variable of type
+ * idefloppy_floppy_t, defined below.
+ */
+typedef struct ide_floppy_obj {
+        ide_drive_t     *drive;
+        ide_driver_t    *driver;
+        struct gendisk  *disk;
+        struct kref     kref;
+        unsigned int    openers;        /* protected by BKL for now */
+
+        /* Current packet command */
+        struct ide_atapi_pc *pc;
+        /* Last failed packet command */
+        struct ide_atapi_pc *failed_pc;
+        /* used for blk_{fs,pc}_request() requests */
+        struct ide_atapi_pc queued_pc;
+
+        struct ide_atapi_pc request_sense_pc;
+        struct request request_sense_rq;
+
+        /* Last error information */
+        u8 sense_key, asc, ascq;
+        /* delay this long before sending packet command */
+        u8 ticks;
+        int progress_indication;
+
+        /* Device information */
+        /* Current format */
+        int blocks, block_size, bs_factor;
+        /* Last format capacity descriptor */
+        u8 cap_desc[8];
+        /* Copy of the flexible disk page */
+        u8 flexible_disk_page[32];
+} idefloppy_floppy_t;
+
+/*
+ * Pages of the SELECT SENSE / MODE SENSE packet commands.
+ * See SFF-8070i spec.
+ */
+#define IDEFLOPPY_CAPABILITIES_PAGE     0x1b
+#define IDEFLOPPY_FLEXIBLE_DISK_PAGE    0x05
+
+/* IOCTLs used in low-level formatting. */
+#define IDEFLOPPY_IOCTL_FORMAT_SUPPORTED        0x4600
+#define IDEFLOPPY_IOCTL_FORMAT_GET_CAPACITY     0x4601
+#define IDEFLOPPY_IOCTL_FORMAT_START            0x4602
+#define IDEFLOPPY_IOCTL_FORMAT_GET_PROGRESS     0x4603
+
+/* ide-floppy.c */
+void ide_floppy_create_mode_sense_cmd(struct ide_atapi_pc *, u8);
+void ide_floppy_create_read_capacity_cmd(struct ide_atapi_pc *);
+void ide_floppy_create_request_sense_cmd(struct ide_atapi_pc *);
+
+/* ide-floppy_ioctl.c */
+int ide_floppy_format_ioctl(ide_drive_t *, struct file *, unsigned int,
+                            void __user *);
+
+#endif /*__IDE_FLOPPY_H */
diff --git a/drivers/ide/ide-floppy_ioctl.c b/drivers/ide/ide-floppy_ioctl.c
new file mode 100644
index 000000000000..5ffc4512d14b
--- /dev/null
+++ b/drivers/ide/ide-floppy_ioctl.c
@@ -0,0 +1,243 @@
+/*
+ * ide-floppy IOCTLs handling.
+ */
+
+#include <linux/kernel.h>
+#include <linux/ide.h>
+#include <linux/cdrom.h>
+
+#include <asm/unaligned.h>
+
+#include <scsi/scsi_ioctl.h>
+
+#include "ide-floppy.h"
+
+/*
+ * Obtain the list of formattable capacities.
+ * Very similar to ide_floppy_get_capacity, except that we push the capacity
+ * descriptors to userland, instead of our own structures.
+ *
+ * Userland gives us the following structure:
+ *
+ * struct idefloppy_format_capacities {
+ *      int nformats;
+ *      struct {
+ *              int nblocks;
+ *              int blocksize;
+ *      } formats[];
+ * };
+ *
+ * userland initializes nformats to the number of allocated formats[] records.
+ * On exit we set nformats to the number of records we've actually initialized.
+ */
+
+static int ide_floppy_get_format_capacities(ide_drive_t *drive, int __user *arg)
+{
+        struct ide_floppy_obj *floppy = drive->driver_data;
+        struct ide_atapi_pc pc;
+        u8 header_len, desc_cnt;
+        int i, blocks, length, u_array_size, u_index;
+        int __user *argp;
+
+        if (get_user(u_array_size, arg))
+                return -EFAULT;
+
+        if (u_array_size <= 0)
+                return -EINVAL;
+
+        ide_floppy_create_read_capacity_cmd(&pc);
+        if (ide_queue_pc_tail(drive, floppy->disk, &pc)) {
+                printk(KERN_ERR "ide-floppy: Can't get floppy parameters\n");
+                return -EIO;
+        }
+
+        header_len = pc.buf[3];
+        desc_cnt = header_len / 8; /* capacity descriptor of 8 bytes */
+
+        u_index = 0;
+        argp = arg + 1;
+
+        /*
+         * We always skip the first capacity descriptor.  That's the current
+         * capacity.  We are interested in the remaining descriptors, the
+         * formattable capacities.
+         */
+        for (i = 1; i < desc_cnt; i++) {
+                unsigned int desc_start = 4 + i*8;
+
+                if (u_index >= u_array_size)
+                        break;  /* User-supplied buffer too small */
+
+                blocks = be32_to_cpup((__be32 *)&pc.buf[desc_start]);
+                length = be16_to_cpup((__be16 *)&pc.buf[desc_start + 6]);
+
+                if (put_user(blocks, argp))
+                        return -EFAULT;
+
+                ++argp;
+
+                if (put_user(length, argp))
+                        return -EFAULT;
+
+                ++argp;
+
+                ++u_index;
+        }
+
+        if (put_user(u_index, arg))
+                return -EFAULT;
+
+        return 0;
+}
+
+static void ide_floppy_create_format_unit_cmd(struct ide_atapi_pc *pc, int b,
+                int l, int flags)
+{
+        ide_init_pc(pc);
+        pc->c[0] = GPCMD_FORMAT_UNIT;
+        pc->c[1] = 0x17;
+
+        memset(pc->buf, 0, 12);
+        pc->buf[1] = 0xA2;
+        /* Default format list header, u8 1: FOV/DCRT/IMM bits set */
+
+        if (flags & 1)                          /* Verify bit on... */
+                pc->buf[1] ^= 0x20;             /* ... turn off DCRT bit */
+        pc->buf[3] = 8;
+
+        put_unaligned(cpu_to_be32(b), (unsigned int *)(&pc->buf[4]));
+        put_unaligned(cpu_to_be32(l), (unsigned int *)(&pc->buf[8]));
+        pc->buf_size = 12;
+        pc->flags |= PC_FLAG_WRITING;
+}
+
+static int ide_floppy_get_sfrp_bit(ide_drive_t *drive)
+{
+        idefloppy_floppy_t *floppy = drive->driver_data;
+        struct ide_atapi_pc pc;
+
+        drive->atapi_flags &= ~IDE_AFLAG_SRFP;
+
+        ide_floppy_create_mode_sense_cmd(&pc, IDEFLOPPY_CAPABILITIES_PAGE);
+        pc.flags |= PC_FLAG_SUPPRESS_ERROR;
+
+        if (ide_queue_pc_tail(drive, floppy->disk, &pc))
+                return 1;
+
+        if (pc.buf[8 + 2] & 0x40)
+                drive->atapi_flags |= IDE_AFLAG_SRFP;
+
+        return 0;
+}
+
+static int ide_floppy_format_unit(ide_drive_t *drive, int __user *arg)
+{
+        idefloppy_floppy_t *floppy = drive->driver_data;
+        struct ide_atapi_pc pc;
+        int blocks, length, flags, err = 0;
+
+        if (floppy->openers > 1) {
+                /* Don't format if someone is using the disk */
+                drive->atapi_flags &= ~IDE_AFLAG_FORMAT_IN_PROGRESS;
+                return -EBUSY;
+        }
+
+        drive->atapi_flags |= IDE_AFLAG_FORMAT_IN_PROGRESS;
+
+        /*
+         * Send ATAPI_FORMAT_UNIT to the drive.
+         *
+         * Userland gives us the following structure:
+         *
+         * struct idefloppy_format_command {
+         *        int nblocks;
+         *        int blocksize;
+         *        int flags;
+         *        } ;
+         *
+         * flags is a bitmask, currently, the only defined flag is:
+         *
+         *        0x01 - verify media after format.
+         */
+        if (get_user(blocks, arg) ||
+                        get_user(length, arg+1) ||
+                        get_user(flags, arg+2)) {
+                err = -EFAULT;
+                goto out;
+        }
+
+        (void)ide_floppy_get_sfrp_bit(drive);
+        ide_floppy_create_format_unit_cmd(&pc, blocks, length, flags);
+
+        if (ide_queue_pc_tail(drive, floppy->disk, &pc))
+                err = -EIO;
+
+out:
+        if (err)
+                drive->atapi_flags &= ~IDE_AFLAG_FORMAT_IN_PROGRESS;
+        return err;
+}
+
+/*
+ * Get ATAPI_FORMAT_UNIT progress indication.
+ *
+ * Userland gives a pointer to an int.  The int is set to a progress
+ * indicator 0-65536, with 65536=100%.
+ *
+ * If the drive does not support format progress indication, we just check
+ * the dsc bit, and return either 0 or 65536.
+ */
+
+static int ide_floppy_get_format_progress(ide_drive_t *drive, int __user *arg)
+{
+        idefloppy_floppy_t *floppy = drive->driver_data;
+        struct ide_atapi_pc pc;
+        int progress_indication = 0x10000;
+
+        if (drive->atapi_flags & IDE_AFLAG_SRFP) {
+                ide_floppy_create_request_sense_cmd(&pc);
+                if (ide_queue_pc_tail(drive, floppy->disk, &pc))
+                        return -EIO;
+
+                if (floppy->sense_key == 2 &&
+                    floppy->asc == 4 &&
+                    floppy->ascq == 4)
+                        progress_indication = floppy->progress_indication;
+
+                /* Else assume format_unit has finished, and we're at 0x10000 */
+        } else {
+                ide_hwif_t *hwif = drive->hwif;
+                unsigned long flags;
+                u8 stat;
+
+                local_irq_save(flags);
+                stat = hwif->tp_ops->read_status(hwif);
+                local_irq_restore(flags);
+
+                progress_indication = ((stat & ATA_DSC) == 0) ? 0 : 0x10000;
+        }
+
+        if (put_user(progress_indication, arg))
+                return -EFAULT;
+
+        return 0;
+}
+
+int ide_floppy_format_ioctl(ide_drive_t *drive, struct file *file,
+                            unsigned int cmd, void __user *argp)
+{
+        switch (cmd) {
+        case IDEFLOPPY_IOCTL_FORMAT_SUPPORTED:
+                return 0;
+        case IDEFLOPPY_IOCTL_FORMAT_GET_CAPACITY:
+                return ide_floppy_get_format_capacities(drive, argp);
+        case IDEFLOPPY_IOCTL_FORMAT_START:
+                if (!(file->f_mode & 2))
+                        return -EPERM;
+                return ide_floppy_format_unit(drive, (int __user *)argp);
+        case IDEFLOPPY_IOCTL_FORMAT_GET_PROGRESS:
+                return ide_floppy_get_format_progress(drive, argp);
+        default:
+                return -ENOTTY;
+        }
+}
diff --git a/drivers/ide/ide-generic.c b/drivers/ide/ide-generic.c
index 8fe8b5b9cf7d..0a3cb0c33ae5 100644
--- a/drivers/ide/ide-generic.c
+++ b/drivers/ide/ide-generic.c
@@ -19,6 +19,7 @@
 #include <linux/init.h>
 #include <linux/module.h>
 #include <linux/ide.h>
+#include <linux/pci_ids.h>
 
 /* FIXME: convert m32r to use ide_platform host driver */
 #ifdef CONFIG_M32R
@@ -27,7 +28,7 @@
 
 #define DRV_NAME        "ide_generic"
 
-static int probe_mask = 0x03;
+static int probe_mask;
 module_param(probe_mask, int, 0);
 MODULE_PARM_DESC(probe_mask, "probe mask for legacy ISA IDE ports");
 
@@ -100,19 +101,65 @@ static const u16 legacy_bases[] = { 0x1f0, 0x170, 0x1e8, 0x168, 0x1e0, 0x160 };
 static const int legacy_irqs[]  = { 14, 15, 11, 10, 8, 12 };
 #endif
 
+static void ide_generic_check_pci_legacy_iobases(int *primary, int *secondary)
+{
+        struct pci_dev *p = NULL;
+        u16 val;
+
+        for_each_pci_dev(p) {
+
+                if (pci_resource_start(p, 0) == 0x1f0)
+                        *primary = 1;
+                if (pci_resource_start(p, 2) == 0x170)
+                        *secondary = 1;
+
+                /* Cyrix CS55{1,2}0 pre SFF MWDMA ATA on the bridge */
+                if (p->vendor == PCI_VENDOR_ID_CYRIX &&
+                    (p->device == PCI_DEVICE_ID_CYRIX_5510 ||
+                     p->device == PCI_DEVICE_ID_CYRIX_5520))
+                        *primary = *secondary = 1;
+
+                /* Intel MPIIX - PIO ATA on non PCI side of bridge */
+                if (p->vendor == PCI_VENDOR_ID_INTEL &&
+                    p->device == PCI_DEVICE_ID_INTEL_82371MX) {
+
+                        pci_read_config_word(p, 0x6C, &val);
+                        if (val & 0x8000) {
+                                /* ATA port enabled */
+                                if (val & 0x4000)
+                                        *secondary = 1;
+                                else
+                                        *primary = 1;
+                        }
+                }
+        }
+}
+
 static int __init ide_generic_init(void)
 {
         hw_regs_t hw[MAX_HWIFS], *hws[MAX_HWIFS];
         struct ide_host *host;
         unsigned long io_addr;
-        int i, rc;
+        int i, rc, primary = 0, secondary = 0;
 
 #ifdef CONFIG_MIPS
         if (!ide_probe_legacy())
                 return -ENODEV;
 #endif
-        printk(KERN_INFO DRV_NAME ": please use \"probe_mask=0x3f\" module "
-                         "parameter for probing all legacy ISA IDE ports\n");
+        ide_generic_check_pci_legacy_iobases(&primary, &secondary);
+
+        if (!probe_mask) {
+                printk(KERN_INFO DRV_NAME ": please use \"probe_mask=0x3f\" "
+                     "module parameter for probing all legacy ISA IDE ports\n");
+
+                if (primary == 0)
+                        probe_mask |= 0x1;
+
+                if (secondary == 0)
+                        probe_mask |= 0x2;
+        } else
+                printk(KERN_INFO DRV_NAME ": enforcing probing of I/O ports "
+                        "upon user request\n");
 
         memset(hws, 0, sizeof(hw_regs_t *) * MAX_HWIFS);
 
diff --git a/drivers/ide/ide-io.c b/drivers/ide/ide-io.c
index a896a283f27f..1c51949833be 100644
--- a/drivers/ide/ide-io.c
+++ b/drivers/ide/ide-io.c
@@ -40,6 +40,7 @@
 #include <linux/pci.h>
 #include <linux/delay.h>
 #include <linux/ide.h>
+#include <linux/hdreg.h>
 #include <linux/completion.h>
 #include <linux/reboot.h>
 #include <linux/cdrom.h>
@@ -183,18 +184,18 @@ static ide_startstop_t ide_start_power_step(ide_drive_t *drive, struct request *
                 if (drive->media != ide_disk)
                         break;
                 /* Not supported? Switch to next step now. */
-                if (!drive->wcache || !ide_id_has_flush_cache(drive->id)) {
+                if (!drive->wcache || ata_id_flush_enabled(drive->id) == 0) {
                         ide_complete_power_step(drive, rq, 0, 0);
                         return ide_stopped;
                 }
-                if (ide_id_has_flush_cache_ext(drive->id))
-                        args->tf.command = WIN_FLUSH_CACHE_EXT;
+                if (ata_id_flush_ext_enabled(drive->id))
+                        args->tf.command = ATA_CMD_FLUSH_EXT;
                 else
-                        args->tf.command = WIN_FLUSH_CACHE;
+                        args->tf.command = ATA_CMD_FLUSH;
                 goto out_do_tf;
 
         case idedisk_pm_standby:        /* Suspend step 2 (standby) */
-                args->tf.command = WIN_STANDBYNOW1;
+                args->tf.command = ATA_CMD_STANDBYNOW1;
                 goto out_do_tf;
 
         case idedisk_pm_restore_pio:    /* Resume step 1 (restore PIO) */
@@ -209,7 +210,7 @@ static ide_startstop_t ide_start_power_step(ide_drive_t *drive, struct request *
                 return ide_stopped;
 
         case idedisk_pm_idle:           /* Resume step 2 (idle) */
-                args->tf.command = WIN_IDLEIMMEDIATE;
+                args->tf.command = ATA_CMD_IDLEIMMEDIATE;
                 goto out_do_tf;
 
         case ide_pm_restore_dma:        /* Resume step 3 (restore DMA) */
@@ -322,7 +323,7 @@ void ide_end_drive_cmd (ide_drive_t *drive, u8 stat, u8 err)
                 ide_task_t *task = (ide_task_t *)rq->special;
 
                 if (rq->errors == 0)
-                        rq->errors = !OK_STAT(stat, READY_STAT, BAD_STAT);
+                        rq->errors = !OK_STAT(stat, ATA_DRDY, BAD_STAT);
 
                 if (task) {
                         struct ide_taskfile *tf = &task->tf;
@@ -373,29 +374,29 @@ static ide_startstop_t ide_ata_error(ide_drive_t *drive, struct request *rq, u8
 {
         ide_hwif_t *hwif = drive->hwif;
 
-        if (stat & BUSY_STAT || ((stat & WRERR_STAT) && !drive->nowerr)) {
+        if ((stat & ATA_BUSY) || ((stat & ATA_DF) && !drive->nowerr)) {
                 /* other bits are useless when BUSY */
                 rq->errors |= ERROR_RESET;
-        } else if (stat & ERR_STAT) {
+        } else if (stat & ATA_ERR) {
                 /* err has different meaning on cdrom and tape */
-                if (err == ABRT_ERR) {
+                if (err == ATA_ABORTED) {
                         if (drive->select.b.lba &&
-                            /* some newer drives don't support WIN_SPECIFY */
-                            hwif->tp_ops->read_status(hwif) == WIN_SPECIFY)
+                            /* some newer drives don't support ATA_CMD_INIT_DEV_PARAMS */
+                            hwif->tp_ops->read_status(hwif) == ATA_CMD_INIT_DEV_PARAMS)
                                 return ide_stopped;
                 } else if ((err & BAD_CRC) == BAD_CRC) {
                         /* UDMA crc error, just retry the operation */
                         drive->crc_count++;
-                } else if (err & (BBD_ERR | ECC_ERR)) {
+                } else if (err & (ATA_BBK | ATA_UNC)) {
                         /* retries won't help these */
                         rq->errors = ERROR_MAX;
-                } else if (err & TRK0_ERR) {
+                } else if (err & ATA_TRK0NF) {
                         /* help it find track zero */
                         rq->errors |= ERROR_RECAL;
                 }
         }
 
-        if ((stat & DRQ_STAT) && rq_data_dir(rq) == READ &&
+        if ((stat & ATA_DRQ) && rq_data_dir(rq) == READ &&
             (hwif->host_flags & IDE_HFLAG_ERROR_STOPS_FIFO) == 0) {
                 int nsect = drive->mult_count ? drive->mult_count : 1;
 
@@ -407,7 +408,7 @@ static ide_startstop_t ide_ata_error(ide_drive_t *drive, struct request *rq, u8
                 return ide_stopped;
         }
 
-        if (hwif->tp_ops->read_status(hwif) & (BUSY_STAT | DRQ_STAT))
+        if (hwif->tp_ops->read_status(hwif) & (ATA_BUSY | ATA_DRQ))
                 rq->errors |= ERROR_RESET;
 
         if ((rq->errors & ERROR_RESET) == ERROR_RESET) {
@@ -427,16 +428,16 @@ static ide_startstop_t ide_atapi_error(ide_drive_t *drive, struct request *rq, u
 {
         ide_hwif_t *hwif = drive->hwif;
 
-        if (stat & BUSY_STAT || ((stat & WRERR_STAT) && !drive->nowerr)) {
+        if ((stat & ATA_BUSY) || ((stat & ATA_DF) && !drive->nowerr)) {
                 /* other bits are useless when BUSY */
                 rq->errors |= ERROR_RESET;
         } else {
                 /* add decoding error stuff */
         }
 
-        if (hwif->tp_ops->read_status(hwif) & (BUSY_STAT | DRQ_STAT))
+        if (hwif->tp_ops->read_status(hwif) & (ATA_BUSY | ATA_DRQ))
                 /* force an abort */
-                hwif->tp_ops->exec_command(hwif, WIN_IDLEIMMEDIATE);
+                hwif->tp_ops->exec_command(hwif, ATA_CMD_IDLEIMMEDIATE);
 
         if (rq->errors >= ERROR_MAX) {
                 ide_kill_rq(drive, rq);
@@ -509,19 +510,19 @@ static void ide_tf_set_specify_cmd(ide_drive_t *drive, struct ide_taskfile *tf)
         tf->lbam    = drive->cyl;
         tf->lbah    = drive->cyl >> 8;
         tf->device  = ((drive->head - 1) | drive->select.all) & ~ATA_LBA;
-        tf->command = WIN_SPECIFY;
+        tf->command = ATA_CMD_INIT_DEV_PARAMS;
 }
 
 static void ide_tf_set_restore_cmd(ide_drive_t *drive, struct ide_taskfile *tf)
 {
         tf->nsect   = drive->sect;
-        tf->command = WIN_RESTORE;
+        tf->command = ATA_CMD_RESTORE;
 }
 
 static void ide_tf_set_setmult_cmd(ide_drive_t *drive, struct ide_taskfile *tf)
 {
         tf->nsect   = drive->mult_req;
-        tf->command = WIN_SETMULT;
+        tf->command = ATA_CMD_SET_MULTI;
 }
 
 static ide_startstop_t ide_disk_special(ide_drive_t *drive)
@@ -540,8 +541,6 @@ static ide_startstop_t ide_disk_special(ide_drive_t *drive)
                 ide_tf_set_restore_cmd(drive, &args.tf);
         } else if (s->b.set_multmode) {
                 s->b.set_multmode = 0;
-                if (drive->mult_req > drive->id->max_multsect)
-                        drive->mult_req = drive->id->max_multsect;
                 ide_tf_set_setmult_cmd(drive, &args.tf);
         } else if (s->all) {
                 int special = s->all;
@@ -586,9 +585,10 @@ static int set_pio_mode_abuse(ide_hwif_t *hwif, u8 req_pio)
  *      do_special              -       issue some special commands
  *      @drive: drive the command is for
  *
- *      do_special() is used to issue WIN_SPECIFY, WIN_RESTORE, and WIN_SETMULT
- *      commands to a drive.  It used to do much more, but has been scaled
- *      back.
+ *      do_special() is used to issue ATA_CMD_INIT_DEV_PARAMS,
+ *      ATA_CMD_RESTORE and ATA_CMD_SET_MULTI commands to a drive.
+ *
+ *      It used to do much more, but has been scaled back.
  */
 
 static ide_startstop_t do_special (ide_drive_t *drive)
@@ -716,9 +716,49 @@ static ide_startstop_t execute_drive_cmd (ide_drive_t *drive,
         return ide_stopped;
 }
 
+int ide_devset_execute(ide_drive_t *drive, const struct ide_devset *setting,
+                       int arg)
+{
+        struct request_queue *q = drive->queue;
+        struct request *rq;
+        int ret = 0;
+
+        if (!(setting->flags & DS_SYNC))
+                return setting->set(drive, arg);
+
+        rq = blk_get_request(q, READ, GFP_KERNEL);
+        if (!rq)
+                return -ENOMEM;
+
+        rq->cmd_type = REQ_TYPE_SPECIAL;
+        rq->cmd_len = 5;
+        rq->cmd[0] = REQ_DEVSET_EXEC;
+        *(int *)&rq->cmd[1] = arg;
+        rq->special = setting->set;
+
+        if (blk_execute_rq(q, NULL, rq, 0))
+                ret = rq->errors;
+        blk_put_request(rq);
+
+        return ret;
+}
+EXPORT_SYMBOL_GPL(ide_devset_execute);
+
 static ide_startstop_t ide_special_rq(ide_drive_t *drive, struct request *rq)
 {
         switch (rq->cmd[0]) {
+        case REQ_DEVSET_EXEC:
+        {
+                int err, (*setfunc)(ide_drive_t *, int) = rq->special;
+
+                err = setfunc(drive, *(int *)&rq->cmd[1]);
+                if (err)
+                        rq->errors = err;
+                else
+                        err = 1;
+                ide_end_request(drive, err, 0);
+                return ide_stopped;
+        }
         case REQ_DRIVE_RESET:
                 return ide_do_reset(drive);
         default:
@@ -766,9 +806,7 @@ static void ide_check_pm_state(ide_drive_t *drive, struct request *rq)
  *      start_request   -       start of I/O and command issuing for IDE
  *
  *      start_request() initiates handling of a new I/O request. It
- *      accepts commands and I/O (read/write) requests. It also does
- *      the final remapping for weird stuff like EZDrive. Once 
- *      device mapper can work sector level the EZDrive stuff can go away
+ *      accepts commands and I/O (read/write) requests.
  *
  *      FIXME: this function needs a rename
  */
@@ -776,7 +814,6 @@ static void ide_check_pm_state(ide_drive_t *drive, struct request *rq)
 static ide_startstop_t start_request (ide_drive_t *drive, struct request *rq)
 {
         ide_startstop_t startstop;
-        sector_t block;
 
         BUG_ON(!blk_rq_started(rq));
 
@@ -791,21 +828,12 @@ static ide_startstop_t start_request (ide_drive_t *drive, struct request *rq)
                 goto kill_rq;
         }
 
-        block    = rq->sector;
-        if (blk_fs_request(rq) &&
-            (drive->media == ide_disk || drive->media == ide_floppy)) {
-                block += drive->sect0;
-        }
-        /* Yecch - this will shift the entire interval,
-           possibly killing some innocent following sector */
-        if (block == 0 && drive->remap_0_to_1 == 1)
-                block = 1;  /* redirect MBR access to EZ-Drive partn table */
-
         if (blk_pm_request(rq))
                 ide_check_pm_state(drive, rq);
 
         SELECT_DRIVE(drive);
-        if (ide_wait_stat(&startstop, drive, drive->ready_stat, BUSY_STAT|DRQ_STAT, WAIT_READY)) {
+        if (ide_wait_stat(&startstop, drive, drive->ready_stat,
+                          ATA_BUSY | ATA_DRQ, WAIT_READY)) {
                 printk(KERN_ERR "%s: drive not ready for command\n", drive->name);
                 return startstop;
         }
@@ -844,7 +872,8 @@ static ide_startstop_t start_request (ide_drive_t *drive, struct request *rq)
                         return ide_special_rq(drive, rq);
 
                 drv = *(ide_driver_t **)rq->rq_disk->private_data;
-                return drv->do_request(drive, rq, block);
+
+                return drv->do_request(drive, rq, rq->sector);
         }
         return do_special(drive);
 kill_rq:
@@ -1325,7 +1354,7 @@ static void unexpected_intr (int irq, ide_hwgroup_t *hwgroup)
                 if (hwif->irq == irq) {
                         stat = hwif->tp_ops->read_status(hwif);
 
-                        if (!OK_STAT(stat, READY_STAT, BAD_STAT)) {
+                        if (!OK_STAT(stat, ATA_DRDY, BAD_STAT)) {
                                 /* Try to not flood the console with msgs */
                                 static unsigned long last_msgtime, count;
                                 ++count;
diff --git a/drivers/ide/ide-ioctls.c b/drivers/ide/ide-ioctls.c
new file mode 100644
index 000000000000..cf01564901af
--- /dev/null
+++ b/drivers/ide/ide-ioctls.c
@@ -0,0 +1,290 @@
+/*
+ * IDE ioctls handling.
+ */
+
+#include <linux/hdreg.h>
+#include <linux/ide.h>
+
+static const struct ide_ioctl_devset ide_ioctl_settings[] = {
+{ HDIO_GET_32BIT,        HDIO_SET_32BIT,        &ide_devset_io_32bit  },
+{ HDIO_GET_KEEPSETTINGS, HDIO_SET_KEEPSETTINGS, &ide_devset_keepsettings },
+{ HDIO_GET_UNMASKINTR,   HDIO_SET_UNMASKINTR,   &ide_devset_unmaskirq },
+{ HDIO_GET_DMA,          HDIO_SET_DMA,          &ide_devset_using_dma },
+{ -1,                    HDIO_SET_PIO_MODE,     &ide_devset_pio_mode  },
+{ 0 }
+};
+
+int ide_setting_ioctl(ide_drive_t *drive, struct block_device *bdev,
+                      unsigned int cmd, unsigned long arg,
+                      const struct ide_ioctl_devset *s)
+{
+        const struct ide_devset *ds;
+        unsigned long flags;
+        int err = -EOPNOTSUPP;
+
+        for (; (ds = s->setting); s++) {
+                if (ds->get && s->get_ioctl == cmd)
+                        goto read_val;
+                else if (ds->set && s->set_ioctl == cmd)
+                        goto set_val;
+        }
+
+        return err;
+
+read_val:
+        mutex_lock(&ide_setting_mtx);
+        spin_lock_irqsave(&ide_lock, flags);
+        err = ds->get(drive);
+        spin_unlock_irqrestore(&ide_lock, flags);
+        mutex_unlock(&ide_setting_mtx);
+        return err >= 0 ? put_user(err, (long __user *)arg) : err;
+
+set_val:
+        if (bdev != bdev->bd_contains)
+                err = -EINVAL;
+        else {
+                if (!capable(CAP_SYS_ADMIN))
+                        err = -EACCES;
+                else {
+                        mutex_lock(&ide_setting_mtx);
+                        err = ide_devset_execute(drive, ds, arg);
+                        mutex_unlock(&ide_setting_mtx);
+                }
+        }
+        return err;
+}
+EXPORT_SYMBOL_GPL(ide_setting_ioctl);
+
+static int ide_get_identity_ioctl(ide_drive_t *drive, unsigned int cmd,
+                                  unsigned long arg)
+{
+        u16 *id = NULL;
+        int size = (cmd == HDIO_GET_IDENTITY) ? (ATA_ID_WORDS * 2) : 142;
+        int rc = 0;
+
+        if (drive->id_read == 0) {
+                rc = -ENOMSG;
+                goto out;
+        }
+
+        id = kmalloc(size, GFP_KERNEL);
+        if (id == NULL) {
+                rc = -ENOMEM;
+                goto out;
+        }
+
+        memcpy(id, drive->id, size);
+        ata_id_to_hd_driveid(id);
+
+        if (copy_to_user((void __user *)arg, id, size))
+                rc = -EFAULT;
+
+        kfree(id);
+out:
+        return rc;
+}
+
+static int ide_get_nice_ioctl(ide_drive_t *drive, unsigned long arg)
+{
+        return put_user((drive->dsc_overlap << IDE_NICE_DSC_OVERLAP) |
+                        (drive->nice1 << IDE_NICE_1), (long __user *)arg);
+}
+
+static int ide_set_nice_ioctl(ide_drive_t *drive, unsigned long arg)
+{
+        if (arg != (arg & ((1 << IDE_NICE_DSC_OVERLAP) | (1 << IDE_NICE_1))))
+                return -EPERM;
+
+        if (((arg >> IDE_NICE_DSC_OVERLAP) & 1) &&
+            (drive->media == ide_disk || drive->media == ide_floppy ||
+             drive->scsi))
+                return -EPERM;
+
+        drive->dsc_overlap = (arg >> IDE_NICE_DSC_OVERLAP) & 1;
+        drive->nice1 = (arg >> IDE_NICE_1) & 1;
+
+        return 0;
+}
+
+static int ide_cmd_ioctl(ide_drive_t *drive, unsigned cmd, unsigned long arg)
+{
+        u8 *buf = NULL;
+        int bufsize = 0, err = 0;
+        u8 args[4], xfer_rate = 0;
+        ide_task_t tfargs;
+        struct ide_taskfile *tf = &tfargs.tf;
+        u16 *id = drive->id;
+
+        if (NULL == (void *) arg) {
+                struct request *rq;
+
+                rq = blk_get_request(drive->queue, READ, __GFP_WAIT);
+                rq->cmd_type = REQ_TYPE_ATA_TASKFILE;
+                err = blk_execute_rq(drive->queue, NULL, rq, 0);
+                blk_put_request(rq);
+
+                return err;
+        }
+
+        if (copy_from_user(args, (void __user *)arg, 4))
+                return -EFAULT;
+
+        memset(&tfargs, 0, sizeof(ide_task_t));
+        tf->feature = args[2];
+        if (args[0] == ATA_CMD_SMART) {
+                tf->nsect = args[3];
+                tf->lbal  = args[1];
+                tf->lbam  = 0x4f;
+                tf->lbah  = 0xc2;
+                tfargs.tf_flags = IDE_TFLAG_OUT_TF | IDE_TFLAG_IN_NSECT;
+        } else {
+                tf->nsect = args[1];
+                tfargs.tf_flags = IDE_TFLAG_OUT_FEATURE |
+                                  IDE_TFLAG_OUT_NSECT | IDE_TFLAG_IN_NSECT;
+        }
+        tf->command = args[0];
+        tfargs.data_phase = args[3] ? TASKFILE_IN : TASKFILE_NO_DATA;
+
+        if (args[3]) {
+                tfargs.tf_flags |= IDE_TFLAG_IO_16BIT;
+                bufsize = SECTOR_SIZE * args[3];
+                buf = kzalloc(bufsize, GFP_KERNEL);
+                if (buf == NULL)
+                        return -ENOMEM;
+        }
+
+        if (tf->command == ATA_CMD_SET_FEATURES &&
+            tf->feature == SETFEATURES_XFER &&
+            tf->nsect >= XFER_SW_DMA_0 &&
+            (id[ATA_ID_UDMA_MODES] ||
+             id[ATA_ID_MWDMA_MODES] ||
+             id[ATA_ID_SWDMA_MODES])) {
+                xfer_rate = args[1];
+                if (tf->nsect > XFER_UDMA_2 && !eighty_ninty_three(drive)) {
+                        printk(KERN_WARNING "%s: UDMA speeds >UDMA33 cannot "
+                                            "be set\n", drive->name);
+                        goto abort;
+                }
+        }
+
+        err = ide_raw_taskfile(drive, &tfargs, buf, args[3]);
+
+        args[0] = tf->status;
+        args[1] = tf->error;
+        args[2] = tf->nsect;
+
+        if (!err && xfer_rate) {
+                /* active-retuning-calls future */
+                ide_set_xfer_rate(drive, xfer_rate);
+                ide_driveid_update(drive);
+        }
+abort:
+        if (copy_to_user((void __user *)arg, &args, 4))
+                err = -EFAULT;
+        if (buf) {
+                if (copy_to_user((void __user *)(arg + 4), buf, bufsize))
+                        err = -EFAULT;
+                kfree(buf);
+        }
+        return err;
+}
+
+static int ide_task_ioctl(ide_drive_t *drive, unsigned cmd, unsigned long arg)
+{
+        void __user *p = (void __user *)arg;
+        int err = 0;
+        u8 args[7];
+        ide_task_t task;
+
+        if (copy_from_user(args, p, 7))
+                return -EFAULT;
+
+        memset(&task, 0, sizeof(task));
+        memcpy(&task.tf_array[7], &args[1], 6);
+        task.tf.command = args[0];
+        task.tf_flags = IDE_TFLAG_TF | IDE_TFLAG_DEVICE;
+
+        err = ide_no_data_taskfile(drive, &task);
+
+        args[0] = task.tf.command;
+        memcpy(&args[1], &task.tf_array[7], 6);
+
+        if (copy_to_user(p, args, 7))
+                err = -EFAULT;
+
+        return err;
+}
+
+static int generic_drive_reset(ide_drive_t *drive)
+{
+        struct request *rq;
+        int ret = 0;
+
+        rq = blk_get_request(drive->queue, READ, __GFP_WAIT);
+        rq->cmd_type = REQ_TYPE_SPECIAL;
+        rq->cmd_len = 1;
+        rq->cmd[0] = REQ_DRIVE_RESET;
+        rq->cmd_flags |= REQ_SOFTBARRIER;
+        if (blk_execute_rq(drive->queue, NULL, rq, 1))
+                ret = rq->errors;
+        blk_put_request(rq);
+        return ret;
+}
+
+int generic_ide_ioctl(ide_drive_t *drive, struct file *file,
+                      struct block_device *bdev,
+                      unsigned int cmd, unsigned long arg)
+{
+        int err;
+
+        err = ide_setting_ioctl(drive, bdev, cmd, arg, ide_ioctl_settings);
+        if (err != -EOPNOTSUPP)
+                return err;
+
+        switch (cmd) {
+        case HDIO_OBSOLETE_IDENTITY:
+        case HDIO_GET_IDENTITY:
+                if (bdev != bdev->bd_contains)
+                        return -EINVAL;
+                return ide_get_identity_ioctl(drive, cmd, arg);
+        case HDIO_GET_NICE:
+                return ide_get_nice_ioctl(drive, arg);
+        case HDIO_SET_NICE:
+                if (!capable(CAP_SYS_ADMIN))
+                        return -EACCES;
+                return ide_set_nice_ioctl(drive, arg);
+#ifdef CONFIG_IDE_TASK_IOCTL
+        case HDIO_DRIVE_TASKFILE:
+                if (!capable(CAP_SYS_ADMIN) || !capable(CAP_SYS_RAWIO))
+                        return -EACCES;
+                if (drive->media == ide_disk)
+                        return ide_taskfile_ioctl(drive, cmd, arg);
+                return -ENOMSG;
+#endif
+        case HDIO_DRIVE_CMD:
+                if (!capable(CAP_SYS_RAWIO))
+                        return -EACCES;
+                return ide_cmd_ioctl(drive, cmd, arg);
+        case HDIO_DRIVE_TASK:
+                if (!capable(CAP_SYS_RAWIO))
+                        return -EACCES;
+                return ide_task_ioctl(drive, cmd, arg);
+        case HDIO_DRIVE_RESET:
+                if (!capable(CAP_SYS_ADMIN))
+                        return -EACCES;
+                return generic_drive_reset(drive);
+        case HDIO_GET_BUSSTATE:
+                if (!capable(CAP_SYS_ADMIN))
+                        return -EACCES;
+                if (put_user(BUSSTATE_ON, (long __user *)arg))
+                        return -EFAULT;
+                return 0;
+        case HDIO_SET_BUSSTATE:
+                if (!capable(CAP_SYS_ADMIN))
+                        return -EACCES;
+                return -EOPNOTSUPP;
+        default:
+                return -EINVAL;
+        }
+}
+EXPORT_SYMBOL(generic_ide_ioctl);
diff --git a/drivers/ide/ide-iops.c b/drivers/ide/ide-iops.c
index 2cbadffe922e..0a2fd3b37ac4 100644
--- a/drivers/ide/ide-iops.c
+++ b/drivers/ide/ide-iops.c
@@ -18,7 +18,6 @@
 #include <linux/slab.h>
 #include <linux/pci.h>
 #include <linux/delay.h>
-#include <linux/hdreg.h>
 #include <linux/ide.h>
 #include <linux/bitops.h>
 #include <linux/nmi.h>
@@ -400,97 +399,14 @@ const struct ide_tp_ops default_tp_ops = {
         .output_data            = ide_output_data,
 };
 
-void ide_fix_driveid (struct hd_driveid *id)
+void ide_fix_driveid(u16 *id)
 {
 #ifndef __LITTLE_ENDIAN
 # ifdef __BIG_ENDIAN
         int i;
-        u16 *stringcast;
-
-        id->config         = __le16_to_cpu(id->config);
-        id->cyls           = __le16_to_cpu(id->cyls);
-        id->reserved2      = __le16_to_cpu(id->reserved2);
-        id->heads          = __le16_to_cpu(id->heads);
-        id->track_bytes    = __le16_to_cpu(id->track_bytes);
-        id->sector_bytes   = __le16_to_cpu(id->sector_bytes);
-        id->sectors        = __le16_to_cpu(id->sectors);
-        id->vendor0        = __le16_to_cpu(id->vendor0);
-        id->vendor1        = __le16_to_cpu(id->vendor1);
-        id->vendor2        = __le16_to_cpu(id->vendor2);
-        stringcast = (u16 *)&id->serial_no[0];
-        for (i = 0; i < (20/2); i++)
-                stringcast[i] = __le16_to_cpu(stringcast[i]);
-        id->buf_type       = __le16_to_cpu(id->buf_type);
-        id->buf_size       = __le16_to_cpu(id->buf_size);
-        id->ecc_bytes      = __le16_to_cpu(id->ecc_bytes);
-        stringcast = (u16 *)&id->fw_rev[0];
-        for (i = 0; i < (8/2); i++)
-                stringcast[i] = __le16_to_cpu(stringcast[i]);
-        stringcast = (u16 *)&id->model[0];
-        for (i = 0; i < (40/2); i++)
-                stringcast[i] = __le16_to_cpu(stringcast[i]);
-        id->dword_io       = __le16_to_cpu(id->dword_io);
-        id->reserved50     = __le16_to_cpu(id->reserved50);
-        id->field_valid    = __le16_to_cpu(id->field_valid);
-        id->cur_cyls       = __le16_to_cpu(id->cur_cyls);
-        id->cur_heads      = __le16_to_cpu(id->cur_heads);
-        id->cur_sectors    = __le16_to_cpu(id->cur_sectors);
-        id->cur_capacity0  = __le16_to_cpu(id->cur_capacity0);
-        id->cur_capacity1  = __le16_to_cpu(id->cur_capacity1);
-        id->lba_capacity   = __le32_to_cpu(id->lba_capacity);
-        id->dma_1word      = __le16_to_cpu(id->dma_1word);
-        id->dma_mword      = __le16_to_cpu(id->dma_mword);
-        id->eide_pio_modes = __le16_to_cpu(id->eide_pio_modes);
-        id->eide_dma_min   = __le16_to_cpu(id->eide_dma_min);
-        id->eide_dma_time  = __le16_to_cpu(id->eide_dma_time);
-        id->eide_pio       = __le16_to_cpu(id->eide_pio);
-        id->eide_pio_iordy = __le16_to_cpu(id->eide_pio_iordy);
-        for (i = 0; i < 2; ++i)
-                id->words69_70[i] = __le16_to_cpu(id->words69_70[i]);
-        for (i = 0; i < 4; ++i)
-                id->words71_74[i] = __le16_to_cpu(id->words71_74[i]);
-        id->queue_depth    = __le16_to_cpu(id->queue_depth);
-        for (i = 0; i < 4; ++i)
-                id->words76_79[i] = __le16_to_cpu(id->words76_79[i]);
-        id->major_rev_num  = __le16_to_cpu(id->major_rev_num);
-        id->minor_rev_num  = __le16_to_cpu(id->minor_rev_num);
-        id->command_set_1  = __le16_to_cpu(id->command_set_1);
-        id->command_set_2  = __le16_to_cpu(id->command_set_2);
-        id->cfsse          = __le16_to_cpu(id->cfsse);
-        id->cfs_enable_1   = __le16_to_cpu(id->cfs_enable_1);
-        id->cfs_enable_2   = __le16_to_cpu(id->cfs_enable_2);
-        id->csf_default    = __le16_to_cpu(id->csf_default);
-        id->dma_ultra      = __le16_to_cpu(id->dma_ultra);
-        id->trseuc         = __le16_to_cpu(id->trseuc);
-        id->trsEuc         = __le16_to_cpu(id->trsEuc);
-        id->CurAPMvalues   = __le16_to_cpu(id->CurAPMvalues);
-        id->mprc           = __le16_to_cpu(id->mprc);
-        id->hw_config      = __le16_to_cpu(id->hw_config);
-        id->acoustic       = __le16_to_cpu(id->acoustic);
-        id->msrqs          = __le16_to_cpu(id->msrqs);
-        id->sxfert         = __le16_to_cpu(id->sxfert);
-        id->sal            = __le16_to_cpu(id->sal);
-        id->spg            = __le32_to_cpu(id->spg);
-        id->lba_capacity_2 = __le64_to_cpu(id->lba_capacity_2);
-        for (i = 0; i < 22; i++)
-                id->words104_125[i]   = __le16_to_cpu(id->words104_125[i]);
-        id->last_lun       = __le16_to_cpu(id->last_lun);
-        id->word127        = __le16_to_cpu(id->word127);
-        id->dlf            = __le16_to_cpu(id->dlf);
-        id->csfo           = __le16_to_cpu(id->csfo);
-        for (i = 0; i < 26; i++)
-                id->words130_155[i] = __le16_to_cpu(id->words130_155[i]);
-        id->word156        = __le16_to_cpu(id->word156);
-        for (i = 0; i < 3; i++)
-                id->words157_159[i] = __le16_to_cpu(id->words157_159[i]);
-        id->cfa_power      = __le16_to_cpu(id->cfa_power);
-        for (i = 0; i < 15; i++)
-                id->words161_175[i] = __le16_to_cpu(id->words161_175[i]);
-        for (i = 0; i < 30; i++)
-                id->words176_205[i] = __le16_to_cpu(id->words176_205[i]);
-        for (i = 0; i < 49; i++)
-                id->words206_254[i] = __le16_to_cpu(id->words206_254[i]);
-        id->integrity_word  = __le16_to_cpu(id->integrity_word);
+
+        for (i = 0; i < 256; i++)
+                id[i] = __le16_to_cpu(id[i]);
 # else
 #  error "Please fix <asm/byteorder.h>"
 # endif
@@ -501,19 +417,21 @@ void ide_fix_driveid (struct hd_driveid *id)
  * ide_fixstring() cleans up and (optionally) byte-swaps a text string,
  * removing leading/trailing blanks and compressing internal blanks.
  * It is primarily used to tidy up the model name/number fields as
- * returned by the WIN_[P]IDENTIFY commands.
+ * returned by the ATA_CMD_ID_ATA[PI] commands.
  */
 
 void ide_fixstring (u8 *s, const int bytecount, const int byteswap)
 {
-        u8 *p = s, *end = &s[bytecount & ~1]; /* bytecount must be even */
+        u8 *p, *end = &s[bytecount & ~1]; /* bytecount must be even */
 
         if (byteswap) {
                 /* convert from big-endian to host byte order */
-                for (p = end ; p != s;)
-                        be16_to_cpus((u16 *)(p -= 2));
+                for (p = s ; p != end ; p += 2)
+                        be16_to_cpus((u16 *) p);
         }
+
         /* strip leading blanks */
+        p = s;
         while (s != end && *s == ' ')
                 ++s;
         /* compress internal blanks and strip trailing blanks */
@@ -556,7 +474,7 @@ int drive_is_ready (ide_drive_t *drive)
                 /* Note: this may clear a pending IRQ!! */
                 stat = hwif->tp_ops->read_status(hwif);
 
-        if (stat & BUSY_STAT)
+        if (stat & ATA_BUSY)
                 /* drive busy:  definitely not interrupting */
                 return 0;
 
@@ -588,10 +506,10 @@ static int __ide_wait_stat(ide_drive_t *drive, u8 good, u8 bad, unsigned long ti
         udelay(1);      /* spec allows drive 400ns to assert "BUSY" */
         stat = tp_ops->read_status(hwif);
 
-        if (stat & BUSY_STAT) {
+        if (stat & ATA_BUSY) {
                 local_irq_set(flags);
                 timeout += jiffies;
-                while ((stat = tp_ops->read_status(hwif)) & BUSY_STAT) {
+                while ((stat = tp_ops->read_status(hwif)) & ATA_BUSY) {
                         if (time_after(jiffies, timeout)) {
                                 /*
                                  * One last read after the timeout in case
@@ -599,7 +517,7 @@ static int __ide_wait_stat(ide_drive_t *drive, u8 good, u8 bad, unsigned long ti
                                  * progress during the timeout..
                                  */
                                 stat = tp_ops->read_status(hwif);
-                                if (!(stat & BUSY_STAT))
+                                if ((stat & ATA_BUSY) == 0)
                                         break;
 
                                 local_irq_restore(flags);
@@ -660,18 +578,18 @@ EXPORT_SYMBOL(ide_wait_stat);
 /**
  *      ide_in_drive_list       -       look for drive in black/white list
  *      @id: drive identifier
- *      @drive_table: list to inspect
+ *      @table: list to inspect
  *
  *      Look for a drive in the blacklist and the whitelist tables
  *      Returns 1 if the drive is found in the table.
  */
 
-int ide_in_drive_list(struct hd_driveid *id, const struct drive_list_entry *drive_table)
+int ide_in_drive_list(u16 *id, const struct drive_list_entry *table)
 {
-        for ( ; drive_table->id_model; drive_table++)
-                if ((!strcmp(drive_table->id_model, id->model)) &&
-                    (!drive_table->id_firmware ||
-                     strstr(id->fw_rev, drive_table->id_firmware)))
+        for ( ; table->id_model; table++)
+                if ((!strcmp(table->id_model, (char *)&id[ATA_ID_PROD])) &&
+                    (!table->id_firmware ||
+                     strstr((char *)&id[ATA_ID_FW_REV], table->id_firmware)))
                         return 1;
         return 0;
 }
@@ -702,7 +620,7 @@ static const struct drive_list_entry ivb_list[] = {
 u8 eighty_ninty_three (ide_drive_t *drive)
 {
         ide_hwif_t *hwif = drive->hwif;
-        struct hd_driveid *id = drive->id;
+        u16 *id = drive->id;
         int ivb = ide_in_drive_list(id, ivb_list);
 
         if (hwif->cbl == ATA_CBL_PATA40_SHORT)
@@ -712,7 +630,7 @@ u8 eighty_ninty_three (ide_drive_t *drive)
                 printk(KERN_DEBUG "%s: skipping word 93 validity check\n",
                                   drive->name);
 
-        if (ide_dev_is_sata(id) && !ivb)
+        if (ata_id_is_sata(id) && !ivb)
                 return 1;
 
         if (hwif->cbl != ATA_CBL_PATA80 && !ivb)
@@ -724,7 +642,8 @@ u8 eighty_ninty_three (ide_drive_t *drive)
          * - force bit13 (80c cable present) check also for !ivb devices
          *   (unless the slave device is pre-ATA3)
          */
-        if ((id->hw_config & 0x4000) || (ivb && (id->hw_config & 0x2000)))
+        if ((id[ATA_ID_HW_CONFIG] & 0x4000) ||
+            (ivb && (id[ATA_ID_HW_CONFIG] & 0x2000)))
                 return 1;
 
 no_80w:
@@ -745,8 +664,8 @@ int ide_driveid_update(ide_drive_t *drive)
 {
         ide_hwif_t *hwif = drive->hwif;
         const struct ide_tp_ops *tp_ops = hwif->tp_ops;
-        struct hd_driveid *id;
-        unsigned long timeout, flags;
+        u16 *id;
+        unsigned long flags;
         u8 stat;
 
         /*
@@ -757,29 +676,24 @@ int ide_driveid_update(ide_drive_t *drive)
         SELECT_MASK(drive, 1);
         tp_ops->set_irq(hwif, 0);
         msleep(50);
-        tp_ops->exec_command(hwif, WIN_IDENTIFY);
-        timeout = jiffies + WAIT_WORSTCASE;
-        do {
-                if (time_after(jiffies, timeout)) {
-                        SELECT_MASK(drive, 0);
-                        return 0;       /* drive timed-out */
-                }
+        tp_ops->exec_command(hwif, ATA_CMD_ID_ATA);
 
-                msleep(50);     /* give drive a breather */
-                stat = tp_ops->read_altstatus(hwif);
-        } while (stat & BUSY_STAT);
+        if (ide_busy_sleep(hwif, WAIT_WORSTCASE, 1)) {
+                SELECT_MASK(drive, 0);
+                return 0;
+        }
 
-        msleep(50);     /* wait for IRQ and DRQ_STAT */
+        msleep(50);     /* wait for IRQ and ATA_DRQ */
         stat = tp_ops->read_status(hwif);
 
-        if (!OK_STAT(stat, DRQ_STAT, BAD_R_STAT)) {
+        if (!OK_STAT(stat, ATA_DRQ, BAD_R_STAT)) {
                 SELECT_MASK(drive, 0);
                 printk("%s: CHECK for good STATUS\n", drive->name);
                 return 0;
         }
         local_irq_save(flags);
         SELECT_MASK(drive, 0);
-        id = kmalloc(SECTOR_WORDS*4, GFP_ATOMIC);
+        id = kmalloc(SECTOR_SIZE, GFP_ATOMIC);
         if (!id) {
                 local_irq_restore(flags);
                 return 0;
@@ -789,16 +703,16 @@ int ide_driveid_update(ide_drive_t *drive)
         local_irq_enable();
         local_irq_restore(flags);
         ide_fix_driveid(id);
-        if (id) {
-                drive->id->dma_ultra = id->dma_ultra;
-                drive->id->dma_mword = id->dma_mword;
-                drive->id->dma_1word = id->dma_1word;
-                /* anything more ? */
-                kfree(id);
-
-                if (drive->using_dma && ide_id_dma_bug(drive))
-                        ide_dma_off(drive);
-        }
+
+        drive->id[ATA_ID_UDMA_MODES]  = id[ATA_ID_UDMA_MODES];
+        drive->id[ATA_ID_MWDMA_MODES] = id[ATA_ID_MWDMA_MODES];
+        drive->id[ATA_ID_SWDMA_MODES] = id[ATA_ID_SWDMA_MODES];
+        /* anything more ? */
+
+        kfree(id);
+
+        if (drive->using_dma && ide_id_dma_bug(drive))
+                ide_dma_off(drive);
 
         return 1;
 }
@@ -807,6 +721,7 @@ int ide_config_drive_speed(ide_drive_t *drive, u8 speed)
 {
         ide_hwif_t *hwif = drive->hwif;
         const struct ide_tp_ops *tp_ops = hwif->tp_ops;
+        u16 *id = drive->id, i;
         int error = 0;
         u8 stat;
         ide_task_t task;
@@ -817,7 +732,7 @@ int ide_config_drive_speed(ide_drive_t *drive, u8 speed)
 #endif
 
         /* Skip setting PIO flow-control modes on pre-EIDE drives */
-        if ((speed & 0xf8) == XFER_PIO_0 && !(drive->id->capability & 0x08))
+        if ((speed & 0xf8) == XFER_PIO_0 && ata_id_has_iordy(drive->id) == 0)
                 goto skip;
 
         /*
@@ -851,13 +766,13 @@ int ide_config_drive_speed(ide_drive_t *drive, u8 speed)
 
         tp_ops->tf_load(drive, &task);
 
-        tp_ops->exec_command(hwif, WIN_SETFEATURES);
+        tp_ops->exec_command(hwif, ATA_CMD_SET_FEATURES);
 
         if (drive->quirk_list == 2)
                 tp_ops->set_irq(hwif, 1);
 
         error = __ide_wait_stat(drive, drive->ready_stat,
-                                BUSY_STAT|DRQ_STAT|ERR_STAT,
+                                ATA_BUSY | ATA_DRQ | ATA_ERR,
                                 WAIT_CMD, &stat);
 
         SELECT_MASK(drive, 0);
@@ -869,9 +784,9 @@ int ide_config_drive_speed(ide_drive_t *drive, u8 speed)
                 return error;
         }
 
-        drive->id->dma_ultra &= ~0xFF00;
-        drive->id->dma_mword &= ~0x0F00;
-        drive->id->dma_1word &= ~0x0F00;
+        id[ATA_ID_UDMA_MODES]  &= ~0xFF00;
+        id[ATA_ID_MWDMA_MODES] &= ~0x0F00;
+        id[ATA_ID_SWDMA_MODES] &= ~0x0F00;
 
  skip:
 #ifdef CONFIG_BLK_DEV_IDEDMA
@@ -881,23 +796,17 @@ int ide_config_drive_speed(ide_drive_t *drive, u8 speed)
                 ide_dma_off_quietly(drive);
 #endif
 
-        switch(speed) {
-                case XFER_UDMA_7:   drive->id->dma_ultra |= 0x8080; break;
-                case XFER_UDMA_6:   drive->id->dma_ultra |= 0x4040; break;
-                case XFER_UDMA_5:   drive->id->dma_ultra |= 0x2020; break;
-                case XFER_UDMA_4:   drive->id->dma_ultra |= 0x1010; break;
-                case XFER_UDMA_3:   drive->id->dma_ultra |= 0x0808; break;
-                case XFER_UDMA_2:   drive->id->dma_ultra |= 0x0404; break;
-                case XFER_UDMA_1:   drive->id->dma_ultra |= 0x0202; break;
-                case XFER_UDMA_0:   drive->id->dma_ultra |= 0x0101; break;
-                case XFER_MW_DMA_2: drive->id->dma_mword |= 0x0404; break;
-                case XFER_MW_DMA_1: drive->id->dma_mword |= 0x0202; break;
-                case XFER_MW_DMA_0: drive->id->dma_mword |= 0x0101; break;
-                case XFER_SW_DMA_2: drive->id->dma_1word |= 0x0404; break;
-                case XFER_SW_DMA_1: drive->id->dma_1word |= 0x0202; break;
-                case XFER_SW_DMA_0: drive->id->dma_1word |= 0x0101; break;
-                default: break;
+        if (speed >= XFER_UDMA_0) {
+                i = 1 << (speed - XFER_UDMA_0);
+                id[ATA_ID_UDMA_MODES] |= (i << 8 | i);
+        } else if (speed >= XFER_MW_DMA_0) {
+                i = 1 << (speed - XFER_MW_DMA_0);
+                id[ATA_ID_MWDMA_MODES] |= (i << 8 | i);
+        } else if (speed >= XFER_SW_DMA_0) {
+                i = 1 << (speed - XFER_SW_DMA_0);
+                id[ATA_ID_SWDMA_MODES] |= (i << 8 | i);
         }
+
         if (!drive->init_speed)
                 drive->init_speed = speed;
         drive->current_speed = speed;
@@ -977,7 +886,7 @@ void ide_execute_pkt_cmd(ide_drive_t *drive)
         unsigned long flags;
 
         spin_lock_irqsave(&ide_lock, flags);
-        hwif->tp_ops->exec_command(hwif, WIN_PACKETCMD);
+        hwif->tp_ops->exec_command(hwif, ATA_CMD_PACKET);
         ndelay(400);
         spin_unlock_irqrestore(&ide_lock, flags);
 }
@@ -1010,7 +919,7 @@ static ide_startstop_t atapi_reset_pollfunc (ide_drive_t *drive)
         udelay (10);
         stat = hwif->tp_ops->read_status(hwif);
 
-        if (OK_STAT(stat, 0, BUSY_STAT))
+        if (OK_STAT(stat, 0, ATA_BUSY))
                 printk("%s: ATAPI reset complete\n", drive->name);
         else {
                 if (time_before(jiffies, hwgroup->poll_timeout)) {
@@ -1056,7 +965,7 @@ static ide_startstop_t reset_pollfunc (ide_drive_t *drive)
 
         tmp = hwif->tp_ops->read_status(hwif);
 
-        if (!OK_STAT(tmp, 0, BUSY_STAT)) {
+        if (!OK_STAT(tmp, 0, ATA_BUSY)) {
                 if (time_before(jiffies, hwgroup->poll_timeout)) {
                         ide_set_handler(drive, &reset_pollfunc, HZ/20, NULL);
                         /* continue polling */
@@ -1102,7 +1011,7 @@ out:
 
 static void ide_disk_pre_reset(ide_drive_t *drive)
 {
-        int legacy = (drive->id->cfs_enable_2 & 0x0400) ? 0 : 1;
+        int legacy = (drive->id[ATA_ID_CFS_ENABLE_2] & 0x0400) ? 0 : 1;
 
         drive->special.all = 0;
         drive->special.b.set_geometry = legacy;
@@ -1187,7 +1096,7 @@ static ide_startstop_t do_reset1 (ide_drive_t *drive, int do_not_try_atapi)
                 pre_reset(drive);
                 SELECT_DRIVE(drive);
                 udelay (20);
-                tp_ops->exec_command(hwif, WIN_SRST);
+                tp_ops->exec_command(hwif, ATA_CMD_DEV_RESET);
                 ndelay(400);
                 hwgroup->poll_timeout = jiffies + WAIT_WORSTCASE;
                 hwgroup->polling = 1;
@@ -1270,7 +1179,7 @@ int ide_wait_not_busy(ide_hwif_t *hwif, unsigned long timeout)
                  */
                 mdelay(1);
                 stat = hwif->tp_ops->read_status(hwif);
-                if ((stat & BUSY_STAT) == 0)
+                if ((stat & ATA_BUSY) == 0)
                         return 0;
                 /*
                  * Assume a value of 0xff means nothing is connected to
diff --git a/drivers/ide/ide-lib.c b/drivers/ide/ide-lib.c
index 97fefabea8b8..ed426dd0fdd8 100644
--- a/drivers/ide/ide-lib.c
+++ b/drivers/ide/ide-lib.c
@@ -2,7 +2,6 @@
 #include <linux/string.h>
 #include <linux/kernel.h>
 #include <linux/interrupt.h>
-#include <linux/hdreg.h>
 #include <linux/ide.h>
 #include <linux/bitops.h>
 
@@ -90,29 +89,31 @@ static u8 ide_rate_filter(ide_drive_t *drive, u8 speed)
 
 u8 ide_get_best_pio_mode (ide_drive_t *drive, u8 mode_wanted, u8 max_mode)
 {
-        int pio_mode;
-        struct hd_driveid* id = drive->id;
-        int overridden  = 0;
+        u16 *id = drive->id;
+        int pio_mode = -1, overridden = 0;
 
         if (mode_wanted != 255)
                 return min_t(u8, mode_wanted, max_mode);
 
-        if ((drive->hwif->host_flags & IDE_HFLAG_PIO_NO_BLACKLIST) == 0 &&
-            (pio_mode = ide_scan_pio_blacklist(id->model)) != -1) {
+        if ((drive->hwif->host_flags & IDE_HFLAG_PIO_NO_BLACKLIST) == 0)
+                pio_mode = ide_scan_pio_blacklist((char *)&id[ATA_ID_PROD]);
+
+        if (pio_mode != -1) {
                 printk(KERN_INFO "%s: is on PIO blacklist\n", drive->name);
         } else {
-                pio_mode = id->tPIO;
+                pio_mode = id[ATA_ID_OLD_PIO_MODES] >> 8;
                 if (pio_mode > 2) {     /* 2 is maximum allowed tPIO value */
                         pio_mode = 2;
                         overridden = 1;
                 }
-                if (id->field_valid & 2) {        /* drive implements ATA2? */
-                        if (id->capability & 8) { /* IORDY supported? */
-                                if (id->eide_pio_modes & 7) {
+
+                if (id[ATA_ID_FIELD_VALID] & 2) {             /* ATA2? */
+                        if (ata_id_has_iordy(id)) {
+                                if (id[ATA_ID_PIO_MODES] & 7) {
                                         overridden = 0;
-                                        if (id->eide_pio_modes & 4)
+                                        if (id[ATA_ID_PIO_MODES] & 4)
                                                 pio_mode = 5;
-                                        else if (id->eide_pio_modes & 2)
+                                        else if (id[ATA_ID_PIO_MODES] & 2)
                                                 pio_mode = 4;
                                         else
                                                 pio_mode = 3;
@@ -338,16 +339,16 @@ static void ide_dump_sector(ide_drive_t *drive)
 static void ide_dump_ata_error(ide_drive_t *drive, u8 err)
 {
         printk("{ ");
-        if (err & ABRT_ERR)     printk("DriveStatusError ");
-        if (err & ICRC_ERR)
-                printk((err & ABRT_ERR) ? "BadCRC " : "BadSector ");
-        if (err & ECC_ERR)      printk("UncorrectableError ");
-        if (err & ID_ERR)       printk("SectorIdNotFound ");
-        if (err & TRK0_ERR)     printk("TrackZeroNotFound ");
-        if (err & MARK_ERR)     printk("AddrMarkNotFound ");
+        if (err & ATA_ABORTED)  printk("DriveStatusError ");
+        if (err & ATA_ICRC)
+                printk((err & ATA_ABORTED) ? "BadCRC " : "BadSector ");
+        if (err & ATA_UNC)      printk("UncorrectableError ");
+        if (err & ATA_IDNF)     printk("SectorIdNotFound ");
+        if (err & ATA_TRK0NF)   printk("TrackZeroNotFound ");
+        if (err & ATA_AMNF)     printk("AddrMarkNotFound ");
         printk("}");
-        if ((err & (BBD_ERR | ABRT_ERR)) == BBD_ERR ||
-            (err & (ECC_ERR|ID_ERR|MARK_ERR))) {
+        if ((err & (ATA_BBK | ATA_ABORTED)) == ATA_BBK ||
+            (err & (ATA_UNC | ATA_IDNF | ATA_AMNF))) {
                 ide_dump_sector(drive);
                 if (HWGROUP(drive) && HWGROUP(drive)->rq)
                         printk(", sector=%llu",
@@ -359,12 +360,12 @@ static void ide_dump_ata_error(ide_drive_t *drive, u8 err)
 static void ide_dump_atapi_error(ide_drive_t *drive, u8 err)
 {
         printk("{ ");
-        if (err & ILI_ERR)      printk("IllegalLengthIndication ");
-        if (err & EOM_ERR)      printk("EndOfMedia ");
-        if (err & ABRT_ERR)     printk("AbortedCommand ");
-        if (err & MCR_ERR)      printk("MediaChangeRequested ");
-        if (err & LFS_ERR)      printk("LastFailedSense=0x%02x ",
-                                       (err & LFS_ERR) >> 4);
+        if (err & ATAPI_ILI)    printk("IllegalLengthIndication ");
+        if (err & ATAPI_EOM)    printk("EndOfMedia ");
+        if (err & ATA_ABORTED)  printk("AbortedCommand ");
+        if (err & ATA_MCR)      printk("MediaChangeRequested ");
+        if (err & ATAPI_LFS)    printk("LastFailedSense=0x%02x ",
+                                       (err & ATAPI_LFS) >> 4);
         printk("}\n");
 }
 
@@ -386,19 +387,19 @@ u8 ide_dump_status(ide_drive_t *drive, const char *msg, u8 stat)
 
         local_irq_save(flags);
         printk("%s: %s: status=0x%02x { ", drive->name, msg, stat);
-        if (stat & BUSY_STAT)
+        if (stat & ATA_BUSY)
                 printk("Busy ");
         else {
-                if (stat & READY_STAT)  printk("DriveReady ");
-                if (stat & WRERR_STAT)  printk("DeviceFault ");
-                if (stat & SEEK_STAT)   printk("SeekComplete ");
-                if (stat & DRQ_STAT)    printk("DataRequest ");
-                if (stat & ECC_STAT)    printk("CorrectedError ");
-                if (stat & INDEX_STAT)  printk("Index ");
-                if (stat & ERR_STAT)    printk("Error ");
+                if (stat & ATA_DRDY)    printk("DriveReady ");
+                if (stat & ATA_DF)      printk("DeviceFault ");
+                if (stat & ATA_DSC)     printk("SeekComplete ");
+                if (stat & ATA_DRQ)     printk("DataRequest ");
+                if (stat & ATA_CORR)    printk("CorrectedError ");
+                if (stat & ATA_IDX)     printk("Index ");
+                if (stat & ATA_ERR)     printk("Error ");
         }
         printk("}\n");
-        if ((stat & (BUSY_STAT|ERR_STAT)) == ERR_STAT) {
+        if ((stat & (ATA_BUSY | ATA_ERR)) == ATA_ERR) {
                 err = ide_read_error(drive);
                 printk("%s: %s: error=0x%02x ", drive->name, msg, err);
                 if (drive->media == ide_disk)
diff --git a/drivers/ide/ide-probe.c b/drivers/ide/ide-probe.c
index 70aa86c8807e..06575a12b635 100644
--- a/drivers/ide/ide-probe.c
+++ b/drivers/ide/ide-probe.c
@@ -50,59 +50,54 @@
  
 static void generic_id(ide_drive_t *drive)
 {
-        drive->id->cyls = drive->cyl;
-        drive->id->heads = drive->head;
-        drive->id->sectors = drive->sect;
-        drive->id->cur_cyls = drive->cyl;
-        drive->id->cur_heads = drive->head;
-        drive->id->cur_sectors = drive->sect;
+        u16 *id = drive->id;
+
+        id[ATA_ID_CUR_CYLS]     = id[ATA_ID_CYLS]       = drive->cyl;
+        id[ATA_ID_CUR_HEADS]    = id[ATA_ID_HEADS]      = drive->head;
+        id[ATA_ID_CUR_SECTORS]  = id[ATA_ID_SECTORS]    = drive->sect;
 }
 
 static void ide_disk_init_chs(ide_drive_t *drive)
 {
-        struct hd_driveid *id = drive->id;
+        u16 *id = drive->id;
 
         /* Extract geometry if we did not already have one for the drive */
         if (!drive->cyl || !drive->head || !drive->sect) {
-                drive->cyl  = drive->bios_cyl  = id->cyls;
-                drive->head = drive->bios_head = id->heads;
-                drive->sect = drive->bios_sect = id->sectors;
+                drive->cyl  = drive->bios_cyl  = id[ATA_ID_CYLS];
+                drive->head = drive->bios_head = id[ATA_ID_HEADS];
+                drive->sect = drive->bios_sect = id[ATA_ID_SECTORS];
         }
 
         /* Handle logical geometry translation by the drive */
-        if ((id->field_valid & 1) && id->cur_cyls &&
-            id->cur_heads && (id->cur_heads <= 16) && id->cur_sectors) {
-                drive->cyl  = id->cur_cyls;
-                drive->head = id->cur_heads;
-                drive->sect = id->cur_sectors;
+        if (ata_id_current_chs_valid(id)) {
+                drive->cyl  = id[ATA_ID_CUR_CYLS];
+                drive->head = id[ATA_ID_CUR_HEADS];
+                drive->sect = id[ATA_ID_CUR_SECTORS];
         }
 
         /* Use physical geometry if what we have still makes no sense */
-        if (drive->head > 16 && id->heads && id->heads <= 16) {
-                drive->cyl  = id->cyls;
-                drive->head = id->heads;
-                drive->sect = id->sectors;
+        if (drive->head > 16 && id[ATA_ID_HEADS] && id[ATA_ID_HEADS] <= 16) {
+                drive->cyl  = id[ATA_ID_CYLS];
+                drive->head = id[ATA_ID_HEADS];
+                drive->sect = id[ATA_ID_SECTORS];
         }
 }
 
 static void ide_disk_init_mult_count(ide_drive_t *drive)
 {
-        struct hd_driveid *id = drive->id;
-
-        drive->mult_count = 0;
-        if (id->max_multsect) {
-#ifdef CONFIG_IDEDISK_MULTI_MODE
-                id->multsect = ((id->max_multsect/2) > 1) ? id->max_multsect : 0;
-                id->multsect_valid = id->multsect ? 1 : 0;
-                drive->mult_req = id->multsect_valid ? id->max_multsect : 0;
-                drive->special.b.set_multmode = drive->mult_req ? 1 : 0;
-#else   /* original, pre IDE-NFG, per request of AC */
-                drive->mult_req = 0;
-                if (drive->mult_req > id->max_multsect)
-                        drive->mult_req = id->max_multsect;
-                if (drive->mult_req || ((id->multsect_valid & 1) && id->multsect))
+        u16 *id = drive->id;
+        u8 max_multsect = id[ATA_ID_MAX_MULTSECT] & 0xff;
+
+        if (max_multsect) {
+                if ((max_multsect / 2) > 1)
+                        id[ATA_ID_MULTSECT] = max_multsect | 0x100;
+                else
+                        id[ATA_ID_MULTSECT] &= ~0x1ff;
+
+                drive->mult_req = id[ATA_ID_MULTSECT] & 0xff;
+
+                if (drive->mult_req)
                         drive->special.b.set_multmode = 1;
-#endif
         }
 }
 
@@ -119,10 +114,10 @@ static void ide_disk_init_mult_count(ide_drive_t *drive)
 static inline void do_identify (ide_drive_t *drive, u8 cmd)
 {
         ide_hwif_t *hwif = HWIF(drive);
-        int bswap = 1;
-        struct hd_driveid *id;
+        u16 *id = drive->id;
+        char *m = (char *)&id[ATA_ID_PROD];
+        int bswap = 1, is_cfa;
 
-        id = drive->id;
         /* read 512 bytes of id info */
         hwif->tp_ops->input_data(drive, NULL, id, SECTOR_SIZE);
 
@@ -135,27 +130,28 @@ static inline void do_identify (ide_drive_t *drive, u8 cmd)
         ide_fix_driveid(id);
 
         /*
-         *  WIN_IDENTIFY returns little-endian info,
-         *  WIN_PIDENTIFY *usually* returns little-endian info.
+         *  ATA_CMD_ID_ATA returns little-endian info,
+         *  ATA_CMD_ID_ATAPI *usually* returns little-endian info.
          */
-        if (cmd == WIN_PIDENTIFY) {
-                if ((id->model[0] == 'N' && id->model[1] == 'E') /* NEC */
-                 || (id->model[0] == 'F' && id->model[1] == 'X') /* Mitsumi */
-                 || (id->model[0] == 'P' && id->model[1] == 'i'))/* Pioneer */
+        if (cmd == ATA_CMD_ID_ATAPI) {
+                if ((m[0] == 'N' && m[1] == 'E') ||  /* NEC */
+                    (m[0] == 'F' && m[1] == 'X') ||  /* Mitsumi */
+                    (m[0] == 'P' && m[1] == 'i'))    /* Pioneer */
                         /* Vertos drives may still be weird */
-                        bswap ^= 1;     
+                        bswap ^= 1;
         }
-        ide_fixstring(id->model,     sizeof(id->model),     bswap);
-        ide_fixstring(id->fw_rev,    sizeof(id->fw_rev),    bswap);
-        ide_fixstring(id->serial_no, sizeof(id->serial_no), bswap);
+
+        ide_fixstring(m, ATA_ID_PROD_LEN, bswap);
+        ide_fixstring((char *)&id[ATA_ID_FW_REV], ATA_ID_FW_REV_LEN, bswap);
+        ide_fixstring((char *)&id[ATA_ID_SERNO], ATA_ID_SERNO_LEN, bswap);
 
         /* we depend on this a lot! */
-        id->model[sizeof(id->model)-1] = '\0';
+        m[ATA_ID_PROD_LEN - 1] = '\0';
 
-        if (strstr(id->model, "E X A B Y T E N E S T"))
+        if (strstr(m, "E X A B Y T E N E S T"))
                 goto err_misc;
 
-        printk(KERN_INFO "%s: %s, ", drive->name, id->model);
+        printk(KERN_INFO "%s: %s, ", drive->name, m);
 
         drive->present = 1;
         drive->dead = 0;
@@ -163,16 +159,16 @@ static inline void do_identify (ide_drive_t *drive, u8 cmd)
         /*
          * Check for an ATAPI device
          */
-        if (cmd == WIN_PIDENTIFY) {
-                u8 type = (id->config >> 8) & 0x1f;
+        if (cmd == ATA_CMD_ID_ATAPI) {
+                u8 type = (id[ATA_ID_CONFIG] >> 8) & 0x1f;
 
                 printk(KERN_CONT "ATAPI ");
                 switch (type) {
                         case ide_floppy:
-                                if (!strstr(id->model, "CD-ROM")) {
-                                        if (!strstr(id->model, "oppy") &&
-                                            !strstr(id->model, "poyp") &&
-                                            !strstr(id->model, "ZIP"))
+                                if (!strstr(m, "CD-ROM")) {
+                                        if (!strstr(m, "oppy") &&
+                                            !strstr(m, "poyp") &&
+                                            !strstr(m, "ZIP"))
                                                 printk(KERN_CONT "cdrom or floppy?, assuming ");
                                         if (drive->media != ide_cdrom) {
                                                 printk(KERN_CONT "FLOPPY");
@@ -186,8 +182,7 @@ static inline void do_identify (ide_drive_t *drive, u8 cmd)
                                 drive->removable = 1;
 #ifdef CONFIG_PPC
                                 /* kludge for Apple PowerBook internal zip */
-                                if (!strstr(id->model, "CD-ROM") &&
-                                    strstr(id->model, "ZIP")) {
+                                if (!strstr(m, "CD-ROM") && strstr(m, "ZIP")) {
                                         printk(KERN_CONT "FLOPPY");
                                         type = ide_floppy;
                                         break;
@@ -217,18 +212,15 @@ static inline void do_identify (ide_drive_t *drive, u8 cmd)
          * Not an ATAPI device: looks like a "regular" hard disk
          */
 
-        /*
-         * 0x848a = CompactFlash device
-         * These are *not* removable in Linux definition of the term
-         */
+        is_cfa = ata_id_is_cfa(id);
 
-        if ((id->config != 0x848a) && (id->config & (1<<7)))
+        /* CF devices are *not* removable in Linux definition of the term */
+        if (is_cfa == 0 && (id[ATA_ID_CONFIG] & (1 << 7)))
                 drive->removable = 1;
 
         drive->media = ide_disk;
 
-        printk(KERN_CONT "%s DISK drive\n",
-                (id->config == 0x848a) ? "CFA" : "ATA");
+        printk(KERN_CONT "%s DISK drive\n", is_cfa ? "CFA" : "ATA");
 
         return;
 
@@ -268,7 +260,7 @@ static int actual_try_to_identify (ide_drive_t *drive, u8 cmd)
         if (io_ports->ctl_addr) {
                 a = tp_ops->read_altstatus(hwif);
                 s = tp_ops->read_status(hwif);
-                if ((a ^ s) & ~INDEX_STAT)
+                if ((a ^ s) & ~ATA_IDX)
                         /* ancient Seagate drives, broken interfaces */
                         printk(KERN_INFO "%s: probing with STATUS(0x%02x) "
                                          "instead of ALTSTATUS(0x%02x)\n",
@@ -281,7 +273,7 @@ static int actual_try_to_identify (ide_drive_t *drive, u8 cmd)
         /* set features register for atapi
          * identify command to be sure of reply
          */
-        if (cmd == WIN_PIDENTIFY) {
+        if (cmd == ATA_CMD_ID_ATAPI) {
                 ide_task_t task;
 
                 memset(&task, 0, sizeof(task));
@@ -294,24 +286,16 @@ static int actual_try_to_identify (ide_drive_t *drive, u8 cmd)
         /* ask drive for ID */
         tp_ops->exec_command(hwif, cmd);
 
-        timeout = ((cmd == WIN_IDENTIFY) ? WAIT_WORSTCASE : WAIT_PIDENTIFY) / 2;
-        timeout += jiffies;
-        do {
-                if (time_after(jiffies, timeout)) {
-                        /* drive timed-out */
-                        return 1;
-                }
-                /* give drive a breather */
-                msleep(50);
-                s = use_altstatus ? tp_ops->read_altstatus(hwif)
-                                  : tp_ops->read_status(hwif);
-        } while (s & BUSY_STAT);
+        timeout = ((cmd == ATA_CMD_ID_ATA) ? WAIT_WORSTCASE : WAIT_PIDENTIFY) / 2;
 
-        /* wait for IRQ and DRQ_STAT */
+        if (ide_busy_sleep(hwif, timeout, use_altstatus))
+                return 1;
+
+        /* wait for IRQ and ATA_DRQ */
         msleep(50);
         s = tp_ops->read_status(hwif);
 
-        if (OK_STAT(s, DRQ_STAT, BAD_R_STAT)) {
+        if (OK_STAT(s, ATA_DRQ, BAD_R_STAT)) {
                 unsigned long flags;
 
                 /* local CPU only; some systems need this */
@@ -387,19 +371,21 @@ static int try_to_identify (ide_drive_t *drive, u8 cmd)
         return retval;
 }
 
-static int ide_busy_sleep(ide_hwif_t *hwif)
+int ide_busy_sleep(ide_hwif_t *hwif, unsigned long timeout, int altstatus)
 {
-        unsigned long timeout = jiffies + WAIT_WORSTCASE;
         u8 stat;
 
+        timeout += jiffies;
+
         do {
-                msleep(50);
-                stat = hwif->tp_ops->read_status(hwif);
-                if ((stat & BUSY_STAT) == 0)
+                msleep(50);     /* give drive a breather */
+                stat = altstatus ? hwif->tp_ops->read_altstatus(hwif)
+                                 : hwif->tp_ops->read_status(hwif);
+                if ((stat & ATA_BUSY) == 0)
                         return 0;
         } while (time_before(jiffies, timeout));
 
-        return 1;
+        return 1;       /* drive timed-out */
 }
 
 static u8 ide_read_device(ide_drive_t *drive)
@@ -444,13 +430,13 @@ static int do_probe (ide_drive_t *drive, u8 cmd)
 
         if (drive->present) {
                 /* avoid waiting for inappropriate probes */
-                if ((drive->media != ide_disk) && (cmd == WIN_IDENTIFY))
+                if (drive->media != ide_disk && cmd == ATA_CMD_ID_ATA)
                         return 4;
         }
 #ifdef DEBUG
         printk(KERN_INFO "probing for %s: present=%d, media=%d, probetype=%s\n",
                 drive->name, drive->present, drive->media,
-                (cmd == WIN_IDENTIFY) ? "ATA" : "ATAPI");
+                (cmd == ATA_CMD_ID_ATA) ? "ATA" : "ATAPI");
 #endif
 
         /* needed for some systems
@@ -464,7 +450,7 @@ static int do_probe (ide_drive_t *drive, u8 cmd)
                 if (drive->select.b.unit != 0) {
                         /* exit with drive0 selected */
                         SELECT_DRIVE(&hwif->drives[0]);
-                        /* allow BUSY_STAT to assert & clear */
+                        /* allow ATA_BUSY to assert & clear */
                         msleep(50);
                 }
                 /* no i/f present: mmm.. this should be a 4 -ml */
@@ -473,8 +459,8 @@ static int do_probe (ide_drive_t *drive, u8 cmd)
 
         stat = tp_ops->read_status(hwif);
 
-        if (OK_STAT(stat, READY_STAT, BUSY_STAT) ||
-            drive->present || cmd == WIN_PIDENTIFY) {
+        if (OK_STAT(stat, ATA_DRDY, ATA_BUSY) ||
+            drive->present || cmd == ATA_CMD_ID_ATAPI) {
                 /* send cmd and wait */
                 if ((rc = try_to_identify(drive, cmd))) {
                         /* failed: try again */
@@ -483,17 +469,17 @@ static int do_probe (ide_drive_t *drive, u8 cmd)
 
                 stat = tp_ops->read_status(hwif);
 
-                if (stat == (BUSY_STAT | READY_STAT))
+                if (stat == (ATA_BUSY | ATA_DRDY))
                         return 4;
 
-                if (rc == 1 && cmd == WIN_PIDENTIFY) {
+                if (rc == 1 && cmd == ATA_CMD_ID_ATAPI) {
                         printk(KERN_ERR "%s: no response (status = 0x%02x), "
                                         "resetting drive\n", drive->name, stat);
                         msleep(50);
                         SELECT_DRIVE(drive);
                         msleep(50);
-                        tp_ops->exec_command(hwif, WIN_SRST);
-                        (void)ide_busy_sleep(hwif);
+                        tp_ops->exec_command(hwif, ATA_CMD_DEV_RESET);
+                        (void)ide_busy_sleep(hwif, WAIT_WORSTCASE, 0);
                         rc = try_to_identify(drive, cmd);
                 }
 
@@ -526,13 +512,14 @@ static void enable_nest (ide_drive_t *drive)
         const struct ide_tp_ops *tp_ops = hwif->tp_ops;
         u8 stat;
 
-        printk(KERN_INFO "%s: enabling %s -- ", hwif->name, drive->id->model);
+        printk(KERN_INFO "%s: enabling %s -- ",
+                hwif->name, (char *)&drive->id[ATA_ID_PROD]);
 
         SELECT_DRIVE(drive);
         msleep(50);
-        tp_ops->exec_command(hwif, EXABYTE_ENABLE_NEST);
+        tp_ops->exec_command(hwif, ATA_EXABYTE_ENABLE_NEST);
 
-        if (ide_busy_sleep(hwif)) {
+        if (ide_busy_sleep(hwif, WAIT_WORSTCASE, 0)) {
                 printk(KERN_CONT "failed (timeout)\n");
                 return;
         }
@@ -545,12 +532,6 @@ static void enable_nest (ide_drive_t *drive)
                 printk(KERN_CONT "failed (status = 0x%02x)\n", stat);
         else
                 printk(KERN_CONT "success\n");
-
-        /* if !(success||timed-out) */
-        if (do_probe(drive, WIN_IDENTIFY) >= 2) {
-                /* look for ATAPI device */
-                (void) do_probe(drive, WIN_PIDENTIFY);
-        }
 }
 
 /**
@@ -567,6 +548,8 @@ static void enable_nest (ide_drive_t *drive)
  
 static inline u8 probe_for_drive (ide_drive_t *drive)
 {
+        char *m;
+
         /*
          *      In order to keep things simple we have an id
          *      block for all drives at all times. If the device
@@ -576,29 +559,34 @@ static inline u8 probe_for_drive (ide_drive_t *drive)
          *      Also note that 0 everywhere means "can't do X"
          */
  
-        drive->id = kzalloc(SECTOR_WORDS *4, GFP_KERNEL);
+        drive->id = kzalloc(SECTOR_SIZE, GFP_KERNEL);
         drive->id_read = 0;
         if(drive->id == NULL)
         {
                 printk(KERN_ERR "ide: out of memory for id data.\n");
                 return 0;
         }
-        strcpy(drive->id->model, "UNKNOWN");
-        
+
+        m = (char *)&drive->id[ATA_ID_PROD];
+        strcpy(m, "UNKNOWN");
+
         /* skip probing? */
-        if (!drive->noprobe)
-        {
+        if (!drive->noprobe) {
+retry:
                 /* if !(success||timed-out) */
-                if (do_probe(drive, WIN_IDENTIFY) >= 2) {
+                if (do_probe(drive, ATA_CMD_ID_ATA) >= 2)
                         /* look for ATAPI device */
-                        (void) do_probe(drive, WIN_PIDENTIFY);
-                }
+                        (void)do_probe(drive, ATA_CMD_ID_ATAPI);
+
                 if (!drive->present)
                         /* drive not found */
                         return 0;
-                if (strstr(drive->id->model, "E X A B Y T E N E S T"))
+
+                if (strstr(m, "E X A B Y T E N E S T")) {
                         enable_nest(drive);
-        
+                        goto retry;
+                }
+
                 /* identification failed? */
                 if (!drive->id_read) {
                         if (drive->media == ide_disk) {
@@ -740,36 +728,38 @@ out:
 
 /**
  *      ide_undecoded_slave     -       look for bad CF adapters
- *      @drive1: drive
+ *      @dev1: slave device
  *
  *      Analyse the drives on the interface and attempt to decide if we
  *      have the same drive viewed twice. This occurs with crap CF adapters
  *      and PCMCIA sometimes.
  */
 
-void ide_undecoded_slave(ide_drive_t *drive1)
+void ide_undecoded_slave(ide_drive_t *dev1)
 {
-        ide_drive_t *drive0 = &drive1->hwif->drives[0];
+        ide_drive_t *dev0 = &dev1->hwif->drives[0];
 
-        if ((drive1->dn & 1) == 0 || drive0->present == 0)
+        if ((dev1->dn & 1) == 0 || dev0->present == 0)
                 return;
 
         /* If the models don't match they are not the same product */
-        if (strcmp(drive0->id->model, drive1->id->model))
+        if (strcmp((char *)&dev0->id[ATA_ID_PROD],
+                   (char *)&dev1->id[ATA_ID_PROD]))
                 return;
 
         /* Serial numbers do not match */
-        if (strncmp(drive0->id->serial_no, drive1->id->serial_no, 20))
+        if (strncmp((char *)&dev0->id[ATA_ID_SERNO],
+                    (char *)&dev1->id[ATA_ID_SERNO], ATA_ID_SERNO_LEN))
                 return;
 
         /* No serial number, thankfully very rare for CF */
-        if (drive0->id->serial_no[0] == 0)
+        if (*(char *)&dev0->id[ATA_ID_SERNO] == 0)
                 return;
 
         /* Appears to be an IDE flash adapter with decode bugs */
         printk(KERN_WARNING "ide-probe: ignoring undecoded slave\n");
 
-        drive1->present = 0;
+        dev1->present = 0;
 }
 
 EXPORT_SYMBOL_GPL(ide_undecoded_slave);
@@ -853,7 +843,7 @@ static void ide_port_tune_devices(ide_hwif_t *hwif)
                 if (hwif->host_flags & IDE_HFLAG_NO_IO_32BIT)
                         drive->no_io_32bit = 1;
                 else
-                        drive->no_io_32bit = drive->id->dword_io ? 1 : 0;
+                        drive->no_io_32bit = drive->id[ATA_ID_DWORD_IO] ? 1 : 0;
         }
 }
 
@@ -1037,11 +1027,6 @@ static int init_irq (ide_hwif_t *hwif)
         ide_hwgroup_t *hwgroup;
         ide_hwif_t *match = NULL;
 
-
-        BUG_ON(in_interrupt());
-        BUG_ON(irqs_disabled());        
-        BUG_ON(hwif == NULL);
-
         mutex_lock(&ide_cfg_mtx);
         hwif->hwgroup = NULL;
 #if MAX_HWIFS > 1
@@ -1116,7 +1101,8 @@ static int init_irq (ide_hwif_t *hwif)
                 sa = IRQF_SHARED;
 #endif /* __mc68000__ */
 
-                if (IDE_CHIPSET_IS_PCI(hwif->chipset))
+                if (hwif->chipset == ide_pci || hwif->chipset == ide_cmd646 ||
+                    hwif->chipset == ide_ali14xx)
                         sa = IRQF_SHARED;
 
                 if (io_ports->ctl_addr)
@@ -1344,8 +1330,6 @@ static void hwif_register_devices(ide_hwif_t *hwif)
                 if (!drive->present)
                         continue;
 
-                ide_add_generic_settings(drive);
-
                 snprintf(dev->bus_id, BUS_ID_SIZE, "%u.%u", hwif->index, i);
                 dev->parent = &hwif->gendev;
                 dev->bus = &ide_bus_type;
@@ -1602,8 +1586,10 @@ struct ide_host *ide_host_alloc_all(const struct ide_port_info *d,
         if (hws[0])
                 host->dev[0] = hws[0]->dev;
 
-        if (d)
+        if (d) {
+                host->init_chipset = d->init_chipset;
                 host->host_flags = d->host_flags;
+        }
 
         return host;
 }
diff --git a/drivers/ide/ide-proc.c b/drivers/ide/ide-proc.c
index f66c9c3f6fc6..e7030a491463 100644
--- a/drivers/ide/ide-proc.c
+++ b/drivers/ide/ide-proc.c
@@ -12,14 +12,6 @@
  * "settings" files.  e.g.    "cat /proc/ide0/hda/settings"
  * To write a new value "val" into a specific setting "name", use:
  *   echo "name:val" >/proc/ide/ide0/hda/settings
- *
- * Also useful, "cat /proc/ide0/hda/[identify, smart_values,
- * smart_thresholds, capabilities]" will issue an IDENTIFY /
- * PACKET_IDENTIFY / SMART_READ_VALUES / SMART_READ_THRESHOLDS /
- * SENSE CAPABILITIES command to /dev/hda, and then dump out the
- * returned data as 256 16-bit words.  The "hdparm" utility will
- * be updated someday soon to use this mechanism.
- *
  */
 
 #include <linux/module.h>
@@ -31,7 +23,6 @@
 #include <linux/mm.h>
 #include <linux/pci.h>
 #include <linux/ctype.h>
-#include <linux/hdreg.h>
 #include <linux/ide.h>
 #include <linux/seq_file.h>
 
@@ -109,13 +100,14 @@ static int proc_ide_read_identify
 
                 err = taskfile_lib_get_identify(drive, page);
                 if (!err) {
-                        char *out = ((char *)page) + (SECTOR_WORDS * 4);
+                        char *out = (char *)page + SECTOR_SIZE;
+
                         page = out;
                         do {
                                 out += sprintf(out, "%04x%c",
                                         le16_to_cpup(val), (++i & 7) ? ' ' : '\n');
                                 val += 1;
-                        } while (i < (SECTOR_WORDS * 2));
+                        } while (i < SECTOR_SIZE / 2);
                         len = out - page;
                 }
         }
@@ -123,140 +115,25 @@ static int proc_ide_read_identify
 }
 
 /**
- *      __ide_add_setting       -       add an ide setting option
- *      @drive: drive to use
- *      @name: setting name
- *      @rw: true if the function is read write
- *      @data_type: type of data
- *      @min: range minimum
- *      @max: range maximum
- *      @mul_factor: multiplication scale
- *      @div_factor: divison scale
- *      @data: private data field
- *      @set: setting
- *      @auto_remove: setting auto removal flag
- *
- *      Removes the setting named from the device if it is present.
- *      The function takes the settings_lock to protect against
- *      parallel changes. This function must not be called from IRQ
- *      context. Returns 0 on success or -1 on failure.
- *
- *      BUGS: This code is seriously over-engineered. There is also
- *      magic about how the driver specific features are setup. If
- *      a driver is attached we assume the driver settings are auto
- *      remove.
- */
-
-static int __ide_add_setting(ide_drive_t *drive, const char *name, int rw, int data_type, int min, int max, int mul_factor, int div_factor, void *data, ide_procset_t *set, int auto_remove)
-{
-        ide_settings_t **p = (ide_settings_t **) &drive->settings, *setting = NULL;
-
-        mutex_lock(&ide_setting_mtx);
-        while ((*p) && strcmp((*p)->name, name) < 0)
-                p = &((*p)->next);
-        if ((setting = kzalloc(sizeof(*setting), GFP_KERNEL)) == NULL)
-                goto abort;
-        if ((setting->name = kmalloc(strlen(name) + 1, GFP_KERNEL)) == NULL)
-                goto abort;
-        strcpy(setting->name, name);
-        setting->rw = rw;
-        setting->data_type = data_type;
-        setting->min = min;
-        setting->max = max;
-        setting->mul_factor = mul_factor;
-        setting->div_factor = div_factor;
-        setting->data = data;
-        setting->set = set;
-
-        setting->next = *p;
-        if (auto_remove)
-                setting->auto_remove = 1;
-        *p = setting;
-        mutex_unlock(&ide_setting_mtx);
-        return 0;
-abort:
-        mutex_unlock(&ide_setting_mtx);
-        kfree(setting);
-        return -1;
-}
-
-int ide_add_setting(ide_drive_t *drive, const char *name, int rw, int data_type, int min, int max, int mul_factor, int div_factor, void *data, ide_procset_t *set)
-{
-        return __ide_add_setting(drive, name, rw, data_type, min, max, mul_factor, div_factor, data, set, 1);
-}
-
-EXPORT_SYMBOL(ide_add_setting);
-
-/**
- *      __ide_remove_setting    -       remove an ide setting option
- *      @drive: drive to use
- *      @name: setting name
- *
- *      Removes the setting named from the device if it is present.
- *      The caller must hold the setting semaphore.
- */
-
-static void __ide_remove_setting(ide_drive_t *drive, char *name)
-{
-        ide_settings_t **p, *setting;
-
-        p = (ide_settings_t **) &drive->settings;
-
-        while ((*p) && strcmp((*p)->name, name))
-                p = &((*p)->next);
-        setting = (*p);
-        if (setting == NULL)
-                return;
-
-        (*p) = setting->next;
-
-        kfree(setting->name);
-        kfree(setting);
-}
-
-/**
- *      auto_remove_settings    -       remove driver specific settings
- *      @drive: drive
- *
- *      Automatically remove all the driver specific settings for this
- *      drive. This function may not be called from IRQ context. The
- *      caller must hold ide_setting_mtx.
- */
-
-static void auto_remove_settings(ide_drive_t *drive)
-{
-        ide_settings_t *setting;
-repeat:
-        setting = drive->settings;
-        while (setting) {
-                if (setting->auto_remove) {
-                        __ide_remove_setting(drive, setting->name);
-                        goto repeat;
-                }
-                setting = setting->next;
-        }
-}
-
-/**
- *      ide_find_setting_by_name        -       find a drive specific setting
- *      @drive: drive to scan
+ *      ide_find_setting        -       find a specific setting
+ *      @st: setting table pointer
  *      @name: setting name
  *
- *      Scan's the device setting table for a matching entry and returns
+ *      Scan's the setting table for a matching entry and returns
  *      this or NULL if no entry is found. The caller must hold the
  *      setting semaphore
  */
 
-static ide_settings_t *ide_find_setting_by_name(ide_drive_t *drive, char *name)
+static
+const struct ide_proc_devset *ide_find_setting(const struct ide_proc_devset *st,
+                                               char *name)
 {
-        ide_settings_t *setting = drive->settings;
-
-        while (setting) {
-                if (strcmp(setting->name, name) == 0)
+        while (st->name) {
+                if (strcmp(st->name, name) == 0)
                         break;
-                setting = setting->next;
+                st++;
         }
-        return setting;
+        return st->name ? st : NULL;
 }
 
 /**
@@ -272,26 +149,20 @@ static ide_settings_t *ide_find_setting_by_name(ide_drive_t *drive, char *name)
  *      be told apart
  */
 
-static int ide_read_setting(ide_drive_t *drive, ide_settings_t *setting)
+static int ide_read_setting(ide_drive_t *drive,
+                            const struct ide_proc_devset *setting)
 {
-        int             val = -EINVAL;
-        unsigned long   flags;
+        const struct ide_devset *ds = setting->setting;
+        int val = -EINVAL;
+
+        if (ds->get) {
+                unsigned long flags;
 
-        if ((setting->rw & SETTING_READ)) {
                 spin_lock_irqsave(&ide_lock, flags);
-                switch (setting->data_type) {
-                case TYPE_BYTE:
-                        val = *((u8 *) setting->data);
-                        break;
-                case TYPE_SHORT:
-                        val = *((u16 *) setting->data);
-                        break;
-                case TYPE_INT:
-                        val = *((u32 *) setting->data);
-                        break;
-                }
+                val = ds->get(drive);
                 spin_unlock_irqrestore(&ide_lock, flags);
         }
+
         return val;
 }
 
@@ -313,33 +184,23 @@ static int ide_read_setting(ide_drive_t *drive, ide_settings_t *setting)
  *      The current scheme of polling is kludgy, though safe enough.
  */
 
-static int ide_write_setting(ide_drive_t *drive, ide_settings_t *setting, int val)
+static int ide_write_setting(ide_drive_t *drive,
+                             const struct ide_proc_devset *setting, int val)
 {
+        const struct ide_devset *ds = setting->setting;
+
         if (!capable(CAP_SYS_ADMIN))
                 return -EACCES;
-        if (setting->set)
-                return setting->set(drive, val);
-        if (!(setting->rw & SETTING_WRITE))
+        if (!ds->set)
                 return -EPERM;
-        if (val < setting->min || val > setting->max)
+        if ((ds->flags & DS_SYNC)
+            && (val < setting->min || val > setting->max))
                 return -EINVAL;
-        if (ide_spin_wait_hwgroup(drive))
-                return -EBUSY;
-        switch (setting->data_type) {
-        case TYPE_BYTE:
-                *((u8 *) setting->data) = val;
-                break;
-        case TYPE_SHORT:
-                *((u16 *) setting->data) = val;
-                break;
-        case TYPE_INT:
-                *((u32 *) setting->data) = val;
-                break;
-        }
-        spin_unlock_irq(&ide_lock);
-        return 0;
+        return ide_devset_execute(drive, ds, val);
 }
 
+ide_devset_get(xfer_rate, current_speed);
+
 static int set_xfer_rate (ide_drive_t *drive, int arg)
 {
         ide_task_t task;
@@ -349,7 +210,7 @@ static int set_xfer_rate (ide_drive_t *drive, int arg)
                 return -EINVAL;
 
         memset(&task, 0, sizeof(task));
-        task.tf.command = WIN_SETFEATURES;
+        task.tf.command = ATA_CMD_SET_FEATURES;
         task.tf.feature = SETFEATURES_XFER;
         task.tf.nsect   = (u8)arg;
         task.tf_flags = IDE_TFLAG_OUT_FEATURE | IDE_TFLAG_OUT_NSECT |
@@ -364,29 +225,23 @@ static int set_xfer_rate (ide_drive_t *drive, int arg)
         return err;
 }
 
-/**
- *      ide_add_generic_settings        -       generic ide settings
- *      @drive: drive being configured
- *
- *      Add the generic parts of the system settings to the /proc files.
- *      The caller must not be holding the ide_setting_mtx.
- */
-
-void ide_add_generic_settings (ide_drive_t *drive)
-{
-/*
- *                        drive         setting name            read/write access                               data type       min     max                             mul_factor      div_factor      data pointer                    set function
- */
-        __ide_add_setting(drive,        "io_32bit",             drive->no_io_32bit ? SETTING_READ : SETTING_RW, TYPE_BYTE,      0,      1 + (SUPPORT_VLB_SYNC << 1),    1,              1,              &drive->io_32bit,               set_io_32bit,   0);
-        __ide_add_setting(drive,        "keepsettings",         SETTING_RW,                                     TYPE_BYTE,      0,      1,                              1,              1,              &drive->keep_settings,          NULL,           0);
-        __ide_add_setting(drive,        "nice1",                SETTING_RW,                                     TYPE_BYTE,      0,      1,                              1,              1,              &drive->nice1,                  NULL,           0);
-        __ide_add_setting(drive,        "pio_mode",             SETTING_WRITE,                                  TYPE_BYTE,      0,      255,                            1,              1,              NULL,                           set_pio_mode,   0);
-        __ide_add_setting(drive,        "unmaskirq",            drive->no_unmask ? SETTING_READ : SETTING_RW,   TYPE_BYTE,      0,      1,                              1,              1,              &drive->unmask,                 NULL,           0);
-        __ide_add_setting(drive,        "using_dma",            SETTING_RW,                                     TYPE_BYTE,      0,      1,                              1,              1,              &drive->using_dma,              set_using_dma,  0);
-        __ide_add_setting(drive,        "init_speed",           SETTING_RW,                                     TYPE_BYTE,      0,      70,                             1,              1,              &drive->init_speed,             NULL,           0);
-        __ide_add_setting(drive,        "current_speed",        SETTING_RW,                                     TYPE_BYTE,      0,      70,                             1,              1,              &drive->current_speed,          set_xfer_rate,  0);
-        __ide_add_setting(drive,        "number",               SETTING_RW,                                     TYPE_BYTE,      0,      3,                              1,              1,              &drive->dn,                     NULL,           0);
-}
+ide_devset_rw(current_speed, xfer_rate);
+ide_devset_rw_field(init_speed, init_speed);
+ide_devset_rw_field(nice1, nice1);
+ide_devset_rw_field(number, dn);
+
+static const struct ide_proc_devset ide_generic_settings[] = {
+        IDE_PROC_DEVSET(current_speed, 0, 70),
+        IDE_PROC_DEVSET(init_speed, 0, 70),
+        IDE_PROC_DEVSET(io_32bit,  0, 1 + (SUPPORT_VLB_SYNC << 1)),
+        IDE_PROC_DEVSET(keepsettings, 0, 1),
+        IDE_PROC_DEVSET(nice1, 0, 1),
+        IDE_PROC_DEVSET(number, 0, 3),
+        IDE_PROC_DEVSET(pio_mode, 0, 255),
+        IDE_PROC_DEVSET(unmaskirq, 0, 1),
+        IDE_PROC_DEVSET(using_dma, 0, 1),
+        { 0 },
+};
 
 static void proc_ide_settings_warn(void)
 {
@@ -403,19 +258,32 @@ static void proc_ide_settings_warn(void)
 static int proc_ide_read_settings
         (char *page, char **start, off_t off, int count, int *eof, void *data)
 {
+        const struct ide_proc_devset *setting, *g, *d;
+        const struct ide_devset *ds;
         ide_drive_t     *drive = (ide_drive_t *) data;
-        ide_settings_t  *setting = (ide_settings_t *) drive->settings;
         char            *out = page;
         int             len, rc, mul_factor, div_factor;
 
         proc_ide_settings_warn();
 
         mutex_lock(&ide_setting_mtx);
+        g = ide_generic_settings;
+        d = drive->settings;
         out += sprintf(out, "name\t\t\tvalue\t\tmin\t\tmax\t\tmode\n");
         out += sprintf(out, "----\t\t\t-----\t\t---\t\t---\t\t----\n");
-        while (setting) {
-                mul_factor = setting->mul_factor;
-                div_factor = setting->div_factor;
+        while (g->name || (d && d->name)) {
+                /* read settings in the alphabetical order */
+                if (g->name && d && d->name) {
+                        if (strcmp(d->name, g->name) < 0)
+                                setting = d++;
+                        else
+                                setting = g++;
+                } else if (d && d->name) {
+                        setting = d++;
+                } else
+                        setting = g++;
+                mul_factor = setting->mulf ? setting->mulf(drive) : 1;
+                div_factor = setting->divf ? setting->divf(drive) : 1;
                 out += sprintf(out, "%-24s", setting->name);
                 rc = ide_read_setting(drive, setting);
                 if (rc >= 0)
@@ -423,12 +291,12 @@ static int proc_ide_read_settings
                 else
                         out += sprintf(out, "%-16s", "write-only");
                 out += sprintf(out, "%-16d%-16d", (setting->min * mul_factor + div_factor - 1) / div_factor, setting->max * mul_factor / div_factor);
-                if (setting->rw & SETTING_READ)
+                ds = setting->setting;
+                if (ds->get)
                         out += sprintf(out, "r");
-                if (setting->rw & SETTING_WRITE)
+                if (ds->set)
                         out += sprintf(out, "w");
                 out += sprintf(out, "\n");
-                setting = setting->next;
         }
         len = out - page;
         mutex_unlock(&ide_setting_mtx);
@@ -442,9 +310,10 @@ static int proc_ide_write_settings(struct file *file, const char __user *buffer,
 {
         ide_drive_t     *drive = (ide_drive_t *) data;
         char            name[MAX_LEN + 1];
-        int             for_real = 0;
+        int             for_real = 0, mul_factor, div_factor;
         unsigned long   n;
-        ide_settings_t  *setting;
+
+        const struct ide_proc_devset *setting;
         char *buf, *s;
 
         if (!capable(CAP_SYS_ADMIN))
@@ -512,13 +381,21 @@ static int proc_ide_write_settings(struct file *file, const char __user *buffer,
                         }
 
                         mutex_lock(&ide_setting_mtx);
-                        setting = ide_find_setting_by_name(drive, name);
+                        /* generic settings first, then driver specific ones */
+                        setting = ide_find_setting(ide_generic_settings, name);
                         if (!setting) {
-                                mutex_unlock(&ide_setting_mtx);
-                                goto parse_error;
+                                if (drive->settings)
+                                        setting = ide_find_setting(drive->settings, name);
+                                if (!setting) {
+                                        mutex_unlock(&ide_setting_mtx);
+                                        goto parse_error;
+                                }
+                        }
+                        if (for_real) {
+                                mul_factor = setting->mulf ? setting->mulf(drive) : 1;
+                                div_factor = setting->divf ? setting->divf(drive) : 1;
+                                ide_write_setting(drive, setting, val * div_factor / mul_factor);
                         }
-                        if (for_real)
-                                ide_write_setting(drive, setting, val * setting->div_factor / setting->mul_factor);
                         mutex_unlock(&ide_setting_mtx);
                 }
         } while (!for_real++);
@@ -561,11 +438,10 @@ static int proc_ide_read_dmodel
         (char *page, char **start, off_t off, int count, int *eof, void *data)
 {
         ide_drive_t     *drive = (ide_drive_t *) data;
-        struct hd_driveid *id = drive->id;
+        char            *m = (char *)&drive->id[ATA_ID_PROD];
         int             len;
 
-        len = sprintf(page, "%.40s\n",
-                (id && id->model[0]) ? (char *)id->model : "(none)");
+        len = sprintf(page, "%.40s\n", m[0] ? m : "(none)");
         PROC_IDE_READ_RETURN(page, start, off, count, eof, len);
 }
 
@@ -690,6 +566,10 @@ static void ide_remove_proc_entries(struct proc_dir_entry *dir, ide_proc_entry_t
 
 void ide_proc_register_driver(ide_drive_t *drive, ide_driver_t *driver)
 {
+        mutex_lock(&ide_setting_mtx);
+        drive->settings = driver->settings;
+        mutex_unlock(&ide_setting_mtx);
+
         ide_add_proc_entries(drive->proc, driver->proc, drive);
 }
 
@@ -726,7 +606,7 @@ void ide_proc_unregister_driver(ide_drive_t *drive, ide_driver_t *driver)
          * OTOH both ide_{read,write}_setting are only ever used under
          * ide_setting_mtx.
          */
-        auto_remove_settings(drive);
+        drive->settings = NULL;
         spin_unlock_irqrestore(&ide_lock, flags);
         mutex_unlock(&ide_setting_mtx);
 }
diff --git a/drivers/ide/ide-tape.c b/drivers/ide/ide-tape.c
index 3833189144ed..f8c84df4a0bc 100644
--- a/drivers/ide/ide-tape.c
+++ b/drivers/ide/ide-tape.c
@@ -15,6 +15,8 @@
  * Documentation/ide/ChangeLog.ide-tape.1995-2002
  */
 
+#define DRV_NAME "ide-tape"
+
 #define IDETAPE_VERSION "1.20"
 
 #include <linux/module.h>
@@ -54,8 +56,6 @@ enum {
         DBG_CHRDEV =            (1 << 2),
         /* all remaining procedures */
         DBG_PROCS =             (1 << 3),
-        /* buffer alloc info (pc_stack & rq_stack) */
-        DBG_PCRQ_STACK =        (1 << 4),
 };
 
 /* define to see debug info */
@@ -81,26 +81,6 @@ enum {
 #define IDETAPE_MAX_PC_RETRIES          3
 
 /*
- * With each packet command, we allocate a buffer of IDETAPE_PC_BUFFER_SIZE
- * bytes. This is used for several packet commands (Not for READ/WRITE commands)
- */
-#define IDETAPE_PC_BUFFER_SIZE          256
-
-/*
- *      In various places in the driver, we need to allocate storage
- *      for packet commands and requests, which will remain valid while
- *      we leave the driver to wait for an interrupt or a timeout event.
- */
-#define IDETAPE_PC_STACK                (10 + IDETAPE_MAX_PC_RETRIES)
-
-/*
- * Some drives (for example, Seagate STT3401A Travan) require a very long
- * timeout, because they don't return an interrupt or clear their busy bit
- * until after the command completes (even retension commands).
- */
-#define IDETAPE_WAIT_CMD                (900*HZ)
-
-/*
  * The following parameter is used to select the point in the internal tape fifo
  * in which we will start to refill the buffer. Decreasing the following
  * parameter will improve the system's latency and interactive response, while
@@ -172,20 +152,6 @@ struct idetape_bh {
 #define IDETAPE_LU_RETENSION_MASK       2
 #define IDETAPE_LU_EOT_MASK             4
 
-/*
- * Special requests for our block device strategy routine.
- *
- * In order to service a character device command, we add special requests to
- * the tail of our block device request queue and wait for their completion.
- */
-
-enum {
-        REQ_IDETAPE_PC1         = (1 << 0), /* packet command (first stage) */
-        REQ_IDETAPE_PC2         = (1 << 1), /* packet command (second stage) */
-        REQ_IDETAPE_READ        = (1 << 2),
-        REQ_IDETAPE_WRITE       = (1 << 3),
-};
-
 /* Error codes returned in rq->errors to the higher part of the driver. */
 #define IDETAPE_ERROR_GENERAL           101
 #define IDETAPE_ERROR_FILEMARK          102
@@ -206,13 +172,6 @@ typedef struct ide_tape_obj {
         struct kref     kref;
 
         /*
-         *      Since a typical character device operation requires more
-         *      than one packet command, we provide here enough memory
-         *      for the maximum of interconnected packet commands.
-         *      The packet commands are stored in the circular array pc_stack.
-         *      pc_stack_index points to the last used entry, and warps around
-         *      to the start when we get to the last array entry.
-         *
          *      pc points to the current processed packet command.
          *
          *      failed_pc points to the last failed packet command, or contains
@@ -224,13 +183,11 @@ typedef struct ide_tape_obj {
         struct ide_atapi_pc *pc;
         /* Last failed packet command */
         struct ide_atapi_pc *failed_pc;
-        /* Packet command stack */
-        struct ide_atapi_pc pc_stack[IDETAPE_PC_STACK];
-        /* Next free packet command storage space */
-        int pc_stack_index;
-        struct request rq_stack[IDETAPE_PC_STACK];
-        /* We implement a circular array */
-        int rq_stack_index;
+        /* used by REQ_IDETAPE_{READ,WRITE} requests */
+        struct ide_atapi_pc queued_pc;
+
+        struct ide_atapi_pc request_sense_pc;
+        struct request request_sense_rq;
 
         /*
          * DSC polling variables.
@@ -451,47 +408,6 @@ static void idetape_update_buffers(ide_drive_t *drive, struct ide_atapi_pc *pc)
 }
 
 /*
- *      idetape_next_pc_storage returns a pointer to a place in which we can
- *      safely store a packet command, even though we intend to leave the
- *      driver. A storage space for a maximum of IDETAPE_PC_STACK packet
- *      commands is allocated at initialization time.
- */
-static struct ide_atapi_pc *idetape_next_pc_storage(ide_drive_t *drive)
-{
-        idetape_tape_t *tape = drive->driver_data;
-
-        debug_log(DBG_PCRQ_STACK, "pc_stack_index=%d\n", tape->pc_stack_index);
-
-        if (tape->pc_stack_index == IDETAPE_PC_STACK)
-                tape->pc_stack_index = 0;
-        return (&tape->pc_stack[tape->pc_stack_index++]);
-}
-
-/*
- *      idetape_next_rq_storage is used along with idetape_next_pc_storage.
- *      Since we queue packet commands in the request queue, we need to
- *      allocate a request, along with the allocation of a packet command.
- */
-
-/**************************************************************
- *                                                            *
- *  This should get fixed to use kmalloc(.., GFP_ATOMIC)      *
- *  followed later on by kfree().   -ml                       *
- *                                                            *
- **************************************************************/
-
-static struct request *idetape_next_rq_storage(ide_drive_t *drive)
-{
-        idetape_tape_t *tape = drive->driver_data;
-
-        debug_log(DBG_PCRQ_STACK, "rq_stack_index=%d\n", tape->rq_stack_index);
-
-        if (tape->rq_stack_index == IDETAPE_PC_STACK)
-                tape->rq_stack_index = 0;
-        return (&tape->rq_stack[tape->rq_stack_index++]);
-}
-
-/*
  * called on each failed packet command retry to analyze the request sense. We
  * currently do not utilize this information.
  */
@@ -667,61 +583,14 @@ static void ide_tape_callback(ide_drive_t *drive)
         idetape_end_request(drive, uptodate, 0);
 }
 
-static void idetape_init_pc(struct ide_atapi_pc *pc)
-{
-        memset(pc->c, 0, 12);
-        pc->retries = 0;
-        pc->flags = 0;
-        pc->req_xfer = 0;
-        pc->buf = pc->pc_buf;
-        pc->buf_size = IDETAPE_PC_BUFFER_SIZE;
-        pc->bh = NULL;
-        pc->b_data = NULL;
-}
-
 static void idetape_create_request_sense_cmd(struct ide_atapi_pc *pc)
 {
-        idetape_init_pc(pc);
+        ide_init_pc(pc);
         pc->c[0] = REQUEST_SENSE;
         pc->c[4] = 20;
         pc->req_xfer = 20;
 }
 
-static void idetape_init_rq(struct request *rq, u8 cmd)
-{
-        blk_rq_init(NULL, rq);
-        rq->cmd_type = REQ_TYPE_SPECIAL;
-        rq->cmd[13] = cmd;
-}
-
-/*
- * Generate a new packet command request in front of the request queue, before
- * the current request, so that it will be processed immediately, on the next
- * pass through the driver. The function below is called from the request
- * handling part of the driver (the "bottom" part). Safe storage for the request
- * should be allocated with ide_tape_next_{pc,rq}_storage() prior to that.
- *
- * Memory for those requests is pre-allocated at initialization time, and is
- * limited to IDETAPE_PC_STACK requests. We assume that we have enough space for
- * the maximum possible number of inter-dependent packet commands.
- *
- * The higher level of the driver - The ioctl handler and the character device
- * handling functions should queue request to the lower level part and wait for
- * their completion using idetape_queue_pc_tail or idetape_queue_rw_tail.
- */
-static void idetape_queue_pc_head(ide_drive_t *drive, struct ide_atapi_pc *pc,
-                                  struct request *rq)
-{
-        struct ide_tape_obj *tape = drive->driver_data;
-
-        idetape_init_rq(rq, REQ_IDETAPE_PC1);
-        rq->cmd_flags |= REQ_PREEMPT;
-        rq->buffer = (char *) pc;
-        rq->rq_disk = tape->disk;
-        memcpy(rq->cmd, pc->c, 12);
-        ide_do_drive_cmd(drive, rq);
-}
-
 /*
  *      idetape_retry_pc is called when an error was detected during the
  *      last packet command. We queue a request sense packet command in
@@ -729,15 +598,14 @@ static void idetape_queue_pc_head(ide_drive_t *drive, struct ide_atapi_pc *pc,
  */
 static void idetape_retry_pc(ide_drive_t *drive)
 {
-        struct ide_atapi_pc *pc;
-        struct request *rq;
+        struct ide_tape_obj *tape = drive->driver_data;
+        struct request *rq = &tape->request_sense_rq;
+        struct ide_atapi_pc *pc = &tape->request_sense_pc;
 
         (void)ide_read_error(drive);
-        pc = idetape_next_pc_storage(drive);
-        rq = idetape_next_rq_storage(drive);
         idetape_create_request_sense_cmd(pc);
         set_bit(IDE_AFLAG_IGNORE_DSC, &drive->atapi_flags);
-        idetape_queue_pc_head(drive, pc, rq);
+        ide_queue_pc_head(drive, tape->disk, pc, rq);
 }
 
 /*
@@ -766,13 +634,15 @@ static void ide_tape_handle_dsc(ide_drive_t *drive)
         idetape_postpone_request(drive);
 }
 
-static void ide_tape_io_buffers(ide_drive_t *drive, struct ide_atapi_pc *pc,
+static int ide_tape_io_buffers(ide_drive_t *drive, struct ide_atapi_pc *pc,
                                 unsigned int bcount, int write)
 {
         if (write)
                 idetape_output_buffers(drive, pc, bcount);
         else
                 idetape_input_buffers(drive, pc, bcount);
+
+        return bcount;
 }
 
 /*
@@ -786,7 +656,7 @@ static ide_startstop_t idetape_pc_intr(ide_drive_t *drive)
 {
         idetape_tape_t *tape = drive->driver_data;
 
-        return ide_pc_intr(drive, tape->pc, idetape_pc_intr, IDETAPE_WAIT_CMD,
+        return ide_pc_intr(drive, tape->pc, idetape_pc_intr, WAIT_TAPE_CMD,
                            NULL, idetape_update_buffers, idetape_retry_pc,
                            ide_tape_handle_dsc, ide_tape_io_buffers);
 }
@@ -832,7 +702,7 @@ static ide_startstop_t idetape_transfer_pc(ide_drive_t *drive)
         idetape_tape_t *tape = drive->driver_data;
 
         return ide_transfer_pc(drive, tape->pc, idetape_pc_intr,
-                               IDETAPE_WAIT_CMD, NULL);
+                               WAIT_TAPE_CMD, NULL);
 }
 
 static ide_startstop_t idetape_issue_pc(ide_drive_t *drive,
@@ -881,13 +751,13 @@ static ide_startstop_t idetape_issue_pc(ide_drive_t *drive,
         pc->retries++;
 
         return ide_issue_pc(drive, pc, idetape_transfer_pc,
-                            IDETAPE_WAIT_CMD, NULL);
+                            WAIT_TAPE_CMD, NULL);
 }
 
 /* A mode sense command is used to "sense" tape parameters. */
 static void idetape_create_mode_sense_cmd(struct ide_atapi_pc *pc, u8 page_code)
 {
-        idetape_init_pc(pc);
+        ide_init_pc(pc);
         pc->c[0] = MODE_SENSE;
         if (page_code != IDETAPE_BLOCK_DESCRIPTOR)
                 /* DBD = 1 - Don't return block descriptors */
@@ -920,8 +790,8 @@ static ide_startstop_t idetape_media_access_finished(ide_drive_t *drive)
 
         stat = hwif->tp_ops->read_status(hwif);
 
-        if (stat & SEEK_STAT) {
-                if (stat & ERR_STAT) {
+        if (stat & ATA_DSC) {
+                if (stat & ATA_ERR) {
                         /* Error detected */
                         if (pc->c[0] != TEST_UNIT_READY)
                                 printk(KERN_ERR "ide-tape: %s: I/O error, ",
@@ -946,7 +816,7 @@ static void ide_tape_create_rw_cmd(idetape_tape_t *tape,
         struct idetape_bh *bh = (struct idetape_bh *)rq->special;
         unsigned int length = rq->current_nr_sectors;
 
-        idetape_init_pc(pc);
+        ide_init_pc(pc);
         put_unaligned(cpu_to_be32(length), (unsigned int *) &pc->c[1]);
         pc->c[1] = 1;
         pc->bh = bh;
@@ -978,9 +848,10 @@ static ide_startstop_t idetape_do_request(ide_drive_t *drive,
         struct request *postponed_rq = tape->postponed_rq;
         u8 stat;
 
-        debug_log(DBG_SENSE, "sector: %ld, nr_sectors: %ld,"
-                        " current_nr_sectors: %d\n",
-                        rq->sector, rq->nr_sectors, rq->current_nr_sectors);
+        debug_log(DBG_SENSE, "sector: %llu, nr_sectors: %lu,"
+                        " current_nr_sectors: %u\n",
+                        (unsigned long long)rq->sector, rq->nr_sectors,
+                        rq->current_nr_sectors);
 
         if (!blk_special_request(rq)) {
                 /* We do not support buffer cache originated requests. */
@@ -1021,7 +892,7 @@ static ide_startstop_t idetape_do_request(ide_drive_t *drive,
         }
 
         if (!test_and_clear_bit(IDE_AFLAG_IGNORE_DSC, &drive->atapi_flags) &&
-            (stat & SEEK_STAT) == 0) {
+            (stat & ATA_DSC) == 0) {
                 if (postponed_rq == NULL) {
                         tape->dsc_polling_start = jiffies;
                         tape->dsc_poll_freq = tape->best_dsc_rw_freq;
@@ -1043,12 +914,12 @@ static ide_startstop_t idetape_do_request(ide_drive_t *drive,
                 return ide_stopped;
         }
         if (rq->cmd[13] & REQ_IDETAPE_READ) {
-                pc = idetape_next_pc_storage(drive);
+                pc = &tape->queued_pc;
                 ide_tape_create_rw_cmd(tape, pc, rq, READ_6);
                 goto out;
         }
         if (rq->cmd[13] & REQ_IDETAPE_WRITE) {
-                pc = idetape_next_pc_storage(drive);
+                pc = &tape->queued_pc;
                 ide_tape_create_rw_cmd(tape, pc, rq, WRITE_6);
                 goto out;
         }
@@ -1235,77 +1106,30 @@ static void idetape_init_merge_buffer(idetape_tape_t *tape)
 static void idetape_create_write_filemark_cmd(ide_drive_t *drive,
                 struct ide_atapi_pc *pc, int write_filemark)
 {
-        idetape_init_pc(pc);
+        ide_init_pc(pc);
         pc->c[0] = WRITE_FILEMARKS;
         pc->c[4] = write_filemark;
         pc->flags |= PC_FLAG_WAIT_FOR_DSC;
 }
 
-static void idetape_create_test_unit_ready_cmd(struct ide_atapi_pc *pc)
-{
-        idetape_init_pc(pc);
-        pc->c[0] = TEST_UNIT_READY;
-}
-
-/*
- * We add a special packet command request to the tail of the request queue, and
- * wait for it to be serviced. This is not to be called from within the request
- * handling part of the driver! We allocate here data on the stack and it is
- * valid until the request is finished. This is not the case for the bottom part
- * of the driver, where we are always leaving the functions to wait for an
- * interrupt or a timer event.
- *
- * From the bottom part of the driver, we should allocate safe memory using
- * idetape_next_pc_storage() and ide_tape_next_rq_storage(), and add the request
- * to the request list without waiting for it to be serviced! In that case, we
- * usually use idetape_queue_pc_head().
- */
-static int idetape_queue_pc_tail(ide_drive_t *drive, struct ide_atapi_pc *pc)
-{
-        struct ide_tape_obj *tape = drive->driver_data;
-        struct request *rq;
-        int error;
-
-        rq = blk_get_request(drive->queue, READ, __GFP_WAIT);
-        rq->cmd_type = REQ_TYPE_SPECIAL;
-        rq->cmd[13] = REQ_IDETAPE_PC1;
-        rq->buffer = (char *)pc;
-        memcpy(rq->cmd, pc->c, 12);
-        error = blk_execute_rq(drive->queue, tape->disk, rq, 0);
-        blk_put_request(rq);
-        return error;
-}
-
-static void idetape_create_load_unload_cmd(ide_drive_t *drive,
-                struct ide_atapi_pc *pc, int cmd)
-{
-        idetape_init_pc(pc);
-        pc->c[0] = START_STOP;
-        pc->c[4] = cmd;
-        pc->flags |= PC_FLAG_WAIT_FOR_DSC;
-}
-
 static int idetape_wait_ready(ide_drive_t *drive, unsigned long timeout)
 {
         idetape_tape_t *tape = drive->driver_data;
-        struct ide_atapi_pc pc;
+        struct gendisk *disk = tape->disk;
         int load_attempted = 0;
 
         /* Wait for the tape to become ready */
         set_bit(IDE_AFLAG_MEDIUM_PRESENT, &drive->atapi_flags);
         timeout += jiffies;
         while (time_before(jiffies, timeout)) {
-                idetape_create_test_unit_ready_cmd(&pc);
-                if (!idetape_queue_pc_tail(drive, &pc))
+                if (ide_do_test_unit_ready(drive, disk) == 0)
                         return 0;
                 if ((tape->sense_key == 2 && tape->asc == 4 && tape->ascq == 2)
                     || (tape->asc == 0x3A)) {
                         /* no media */
                         if (load_attempted)
                                 return -ENOMEDIUM;
-                        idetape_create_load_unload_cmd(drive, &pc,
-                                                        IDETAPE_LU_LOAD_MASK);
-                        idetape_queue_pc_tail(drive, &pc);
+                        ide_do_start_stop(drive, disk, IDETAPE_LU_LOAD_MASK);
                         load_attempted = 1;
                 /* not about to be ready */
                 } else if (!(tape->sense_key == 2 && tape->asc == 4 &&
@@ -1318,11 +1142,12 @@ static int idetape_wait_ready(ide_drive_t *drive, unsigned long timeout)
 
 static int idetape_flush_tape_buffers(ide_drive_t *drive)
 {
+        struct ide_tape_obj *tape = drive->driver_data;
         struct ide_atapi_pc pc;
         int rc;
 
         idetape_create_write_filemark_cmd(drive, &pc, 0);
-        rc = idetape_queue_pc_tail(drive, &pc);
+        rc = ide_queue_pc_tail(drive, tape->disk, &pc);
         if (rc)
                 return rc;
         idetape_wait_ready(drive, 60 * 5 * HZ);
@@ -1331,7 +1156,7 @@ static int idetape_flush_tape_buffers(ide_drive_t *drive)
 
 static void idetape_create_read_position_cmd(struct ide_atapi_pc *pc)
 {
-        idetape_init_pc(pc);
+        ide_init_pc(pc);
         pc->c[0] = READ_POSITION;
         pc->req_xfer = 20;
 }
@@ -1345,7 +1170,7 @@ static int idetape_read_position(ide_drive_t *drive)
         debug_log(DBG_PROCS, "Enter %s\n", __func__);
 
         idetape_create_read_position_cmd(&pc);
-        if (idetape_queue_pc_tail(drive, &pc))
+        if (ide_queue_pc_tail(drive, tape->disk, &pc))
                 return -1;
         position = tape->first_frame;
         return position;
@@ -1355,7 +1180,7 @@ static void idetape_create_locate_cmd(ide_drive_t *drive,
                 struct ide_atapi_pc *pc,
                 unsigned int block, u8 partition, int skip)
 {
-        idetape_init_pc(pc);
+        ide_init_pc(pc);
         pc->c[0] = POSITION_TO_ELEMENT;
         pc->c[1] = 2;
         put_unaligned(cpu_to_be32(block), (unsigned int *) &pc->c[3]);
@@ -1363,21 +1188,6 @@ static void idetape_create_locate_cmd(ide_drive_t *drive,
         pc->flags |= PC_FLAG_WAIT_FOR_DSC;
 }
 
-static int idetape_create_prevent_cmd(ide_drive_t *drive,
-                struct ide_atapi_pc *pc, int prevent)
-{
-        idetape_tape_t *tape = drive->driver_data;
-
-        /* device supports locking according to capabilities page */
-        if (!(tape->caps[6] & 0x01))
-                return 0;
-
-        idetape_init_pc(pc);
-        pc->c[0] = ALLOW_MEDIUM_REMOVAL;
-        pc->c[4] = prevent;
-        return 1;
-}
-
 static void __ide_tape_discard_merge_buffer(ide_drive_t *drive)
 {
         idetape_tape_t *tape = drive->driver_data;
@@ -1405,6 +1215,7 @@ static int idetape_position_tape(ide_drive_t *drive, unsigned int block,
                 u8 partition, int skip)
 {
         idetape_tape_t *tape = drive->driver_data;
+        struct gendisk *disk = tape->disk;
         int retval;
         struct ide_atapi_pc pc;
 
@@ -1412,12 +1223,12 @@ static int idetape_position_tape(ide_drive_t *drive, unsigned int block,
                 __ide_tape_discard_merge_buffer(drive);
         idetape_wait_ready(drive, 60 * 5 * HZ);
         idetape_create_locate_cmd(drive, &pc, block, partition, skip);
-        retval = idetape_queue_pc_tail(drive, &pc);
+        retval = ide_queue_pc_tail(drive, disk, &pc);
         if (retval)
                 return (retval);
 
         idetape_create_read_position_cmd(&pc);
-        return (idetape_queue_pc_tail(drive, &pc));
+        return ide_queue_pc_tail(drive, disk, &pc);
 }
 
 static void ide_tape_discard_merge_buffer(ide_drive_t *drive,
@@ -1477,7 +1288,7 @@ static int idetape_queue_rw_tail(ide_drive_t *drive, int cmd, int blocks,
 
 static void idetape_create_inquiry_cmd(struct ide_atapi_pc *pc)
 {
-        idetape_init_pc(pc);
+        ide_init_pc(pc);
         pc->c[0] = INQUIRY;
         pc->c[4] = 254;
         pc->req_xfer = 254;
@@ -1486,14 +1297,14 @@ static void idetape_create_inquiry_cmd(struct ide_atapi_pc *pc)
 static void idetape_create_rewind_cmd(ide_drive_t *drive,
                 struct ide_atapi_pc *pc)
 {
-        idetape_init_pc(pc);
+        ide_init_pc(pc);
         pc->c[0] = REZERO_UNIT;
         pc->flags |= PC_FLAG_WAIT_FOR_DSC;
 }
 
 static void idetape_create_erase_cmd(struct ide_atapi_pc *pc)
 {
-        idetape_init_pc(pc);
+        ide_init_pc(pc);
         pc->c[0] = ERASE;
         pc->c[1] = 1;
         pc->flags |= PC_FLAG_WAIT_FOR_DSC;
@@ -1501,7 +1312,7 @@ static void idetape_create_erase_cmd(struct ide_atapi_pc *pc)
 
 static void idetape_create_space_cmd(struct ide_atapi_pc *pc, int count, u8 cmd)
 {
-        idetape_init_pc(pc);
+        ide_init_pc(pc);
         pc->c[0] = SPACE;
         put_unaligned(cpu_to_be32(count), (unsigned int *) &pc->c[1]);
         pc->c[1] = cmd;
@@ -1664,20 +1475,20 @@ static void idetape_pad_zeros(ide_drive_t *drive, int bcount)
  */
 static int idetape_rewind_tape(ide_drive_t *drive)
 {
+        struct ide_tape_obj *tape = drive->driver_data;
+        struct gendisk *disk = tape->disk;
         int retval;
         struct ide_atapi_pc pc;
-        idetape_tape_t *tape;
-        tape = drive->driver_data;
 
         debug_log(DBG_SENSE, "Enter %s\n", __func__);
 
         idetape_create_rewind_cmd(drive, &pc);
-        retval = idetape_queue_pc_tail(drive, &pc);
+        retval = ide_queue_pc_tail(drive, disk, &pc);
         if (retval)
                 return retval;
 
         idetape_create_read_position_cmd(&pc);
-        retval = idetape_queue_pc_tail(drive, &pc);
+        retval = ide_queue_pc_tail(drive, disk, &pc);
         if (retval)
                 return retval;
         return 0;
@@ -1720,6 +1531,7 @@ static int idetape_space_over_filemarks(ide_drive_t *drive, short mt_op,
                                         int mt_count)
 {
         idetape_tape_t *tape = drive->driver_data;
+        struct gendisk *disk = tape->disk;
         struct ide_atapi_pc pc;
         int retval, count = 0;
         int sprev = !!(tape->caps[4] & 0x20);
@@ -1744,7 +1556,7 @@ static int idetape_space_over_filemarks(ide_drive_t *drive, short mt_op,
         case MTBSF:
                 idetape_create_space_cmd(&pc, mt_count - count,
                                          IDETAPE_SPACE_OVER_FILEMARK);
-                return idetape_queue_pc_tail(drive, &pc);
+                return ide_queue_pc_tail(drive, disk, &pc);
         case MTFSFM:
         case MTBSFM:
                 if (!sprev)
@@ -1933,11 +1745,12 @@ static ssize_t idetape_chrdev_write(struct file *file, const char __user *buf,
 
 static int idetape_write_filemark(ide_drive_t *drive)
 {
+        struct ide_tape_obj *tape = drive->driver_data;
         struct ide_atapi_pc pc;
 
         /* Write a filemark */
         idetape_create_write_filemark_cmd(drive, &pc, 1);
-        if (idetape_queue_pc_tail(drive, &pc)) {
+        if (ide_queue_pc_tail(drive, tape->disk, &pc)) {
                 printk(KERN_ERR "ide-tape: Couldn't write a filemark\n");
                 return -EIO;
         }
@@ -1960,6 +1773,7 @@ static int idetape_write_filemark(ide_drive_t *drive)
 static int idetape_mtioctop(ide_drive_t *drive, short mt_op, int mt_count)
 {
         idetape_tape_t *tape = drive->driver_data;
+        struct gendisk *disk = tape->disk;
         struct ide_atapi_pc pc;
         int i, retval;
 
@@ -1996,9 +1810,7 @@ static int idetape_mtioctop(ide_drive_t *drive, short mt_op, int mt_count)
                 return 0;
         case MTLOAD:
                 ide_tape_discard_merge_buffer(drive, 0);
-                idetape_create_load_unload_cmd(drive, &pc,
-                                               IDETAPE_LU_LOAD_MASK);
-                return idetape_queue_pc_tail(drive, &pc);
+                return ide_do_start_stop(drive, disk, IDETAPE_LU_LOAD_MASK);
         case MTUNLOAD:
         case MTOFFL:
                 /*
@@ -2006,14 +1818,11 @@ static int idetape_mtioctop(ide_drive_t *drive, short mt_op, int mt_count)
                  * attempting to eject.
                  */
                 if (tape->door_locked) {
-                        if (idetape_create_prevent_cmd(drive, &pc, 0))
-                                if (!idetape_queue_pc_tail(drive, &pc))
-                                        tape->door_locked = DOOR_UNLOCKED;
+                        if (!ide_set_media_lock(drive, disk, 0))
+                                tape->door_locked = DOOR_UNLOCKED;
                 }
                 ide_tape_discard_merge_buffer(drive, 0);
-                idetape_create_load_unload_cmd(drive, &pc,
-                                              !IDETAPE_LU_LOAD_MASK);
-                retval = idetape_queue_pc_tail(drive, &pc);
+                retval = ide_do_start_stop(drive, disk, !IDETAPE_LU_LOAD_MASK);
                 if (!retval)
                         clear_bit(IDE_AFLAG_MEDIUM_PRESENT, &drive->atapi_flags);
                 return retval;
@@ -2022,16 +1831,15 @@ static int idetape_mtioctop(ide_drive_t *drive, short mt_op, int mt_count)
                 return idetape_flush_tape_buffers(drive);
         case MTRETEN:
                 ide_tape_discard_merge_buffer(drive, 0);
-                idetape_create_load_unload_cmd(drive, &pc,
+                return ide_do_start_stop(drive, disk,
                         IDETAPE_LU_RETENSION_MASK | IDETAPE_LU_LOAD_MASK);
-                return idetape_queue_pc_tail(drive, &pc);
         case MTEOM:
                 idetape_create_space_cmd(&pc, 0, IDETAPE_SPACE_TO_EOD);
-                return idetape_queue_pc_tail(drive, &pc);
+                return ide_queue_pc_tail(drive, disk, &pc);
         case MTERASE:
                 (void)idetape_rewind_tape(drive);
                 idetape_create_erase_cmd(&pc);
-                return idetape_queue_pc_tail(drive, &pc);
+                return ide_queue_pc_tail(drive, disk, &pc);
         case MTSETBLK:
                 if (mt_count) {
                         if (mt_count < tape->blk_size ||
@@ -2052,17 +1860,13 @@ static int idetape_mtioctop(ide_drive_t *drive, short mt_op, int mt_count)
         case MTFSR:
         case MTBSR:
         case MTLOCK:
-                if (!idetape_create_prevent_cmd(drive, &pc, 1))
-                        return 0;
-                retval = idetape_queue_pc_tail(drive, &pc);
+                retval = ide_set_media_lock(drive, disk, 1);
                 if (retval)
                         return retval;
                 tape->door_locked = DOOR_EXPLICITLY_LOCKED;
                 return 0;
         case MTUNLOCK:
-                if (!idetape_create_prevent_cmd(drive, &pc, 0))
-                        return 0;
-                retval = idetape_queue_pc_tail(drive, &pc);
+                retval = ide_set_media_lock(drive, disk, 0);
                 if (retval)
                         return retval;
                 tape->door_locked = DOOR_UNLOCKED;
@@ -2144,7 +1948,7 @@ static void ide_tape_get_bsize_from_bdesc(ide_drive_t *drive)
         struct ide_atapi_pc pc;
 
         idetape_create_mode_sense_cmd(&pc, IDETAPE_BLOCK_DESCRIPTOR);
-        if (idetape_queue_pc_tail(drive, &pc)) {
+        if (ide_queue_pc_tail(drive, tape->disk, &pc)) {
                 printk(KERN_ERR "ide-tape: Can't get block descriptor\n");
                 if (tape->blk_size == 0) {
                         printk(KERN_WARNING "ide-tape: Cannot deal with zero "
@@ -2164,7 +1968,6 @@ static int idetape_chrdev_open(struct inode *inode, struct file *filp)
         unsigned int minor = iminor(inode), i = minor & ~0xc0;
         ide_drive_t *drive;
         idetape_tape_t *tape;
-        struct ide_atapi_pc pc;
         int retval;
 
         if (i >= MAX_HWIFS * MAX_DRIVES)
@@ -2227,11 +2030,9 @@ static int idetape_chrdev_open(struct inode *inode, struct file *filp)
 
         /* Lock the tape drive door so user can't eject. */
         if (tape->chrdev_dir == IDETAPE_DIR_NONE) {
-                if (idetape_create_prevent_cmd(drive, &pc, 1)) {
-                        if (!idetape_queue_pc_tail(drive, &pc)) {
-                                if (tape->door_locked != DOOR_EXPLICITLY_LOCKED)
-                                        tape->door_locked = DOOR_LOCKED;
-                        }
+                if (!ide_set_media_lock(drive, tape->disk, 1)) {
+                        if (tape->door_locked != DOOR_EXPLICITLY_LOCKED)
+                                tape->door_locked = DOOR_LOCKED;
                 }
         }
         unlock_kernel();
@@ -2264,7 +2065,6 @@ static int idetape_chrdev_release(struct inode *inode, struct file *filp)
 {
         struct ide_tape_obj *tape = ide_tape_f(filp);
         ide_drive_t *drive = tape->drive;
-        struct ide_atapi_pc pc;
         unsigned int minor = iminor(inode);
 
         lock_kernel();
@@ -2283,10 +2083,8 @@ static int idetape_chrdev_release(struct inode *inode, struct file *filp)
                 (void) idetape_rewind_tape(drive);
         if (tape->chrdev_dir == IDETAPE_DIR_NONE) {
                 if (tape->door_locked == DOOR_LOCKED) {
-                        if (idetape_create_prevent_cmd(drive, &pc, 0)) {
-                                if (!idetape_queue_pc_tail(drive, &pc))
-                                        tape->door_locked = DOOR_UNLOCKED;
-                        }
+                        if (!ide_set_media_lock(drive, tape->disk, 0))
+                                tape->door_locked = DOOR_UNLOCKED;
                 }
         }
         clear_bit(IDE_AFLAG_BUSY, &drive->atapi_flags);
@@ -2295,45 +2093,6 @@ static int idetape_chrdev_release(struct inode *inode, struct file *filp)
         return 0;
 }
 
-/*
- * check the contents of the ATAPI IDENTIFY command results. We return:
- *
- * 1 - If the tape can be supported by us, based on the information we have so
- * far.
- *
- * 0 - If this tape driver is not currently supported by us.
- */
-static int idetape_identify_device(ide_drive_t *drive)
-{
-        u8 gcw[2], protocol, device_type, removable, packet_size;
-
-        if (drive->id_read == 0)
-                return 1;
-
-        *((unsigned short *) &gcw) = drive->id->config;
-
-        protocol        =   (gcw[1] & 0xC0) >> 6;
-        device_type     =    gcw[1] & 0x1F;
-        removable       = !!(gcw[0] & 0x80);
-        packet_size     =    gcw[0] & 0x3;
-
-        /* Check that we can support this device */
-        if (protocol != 2)
-                printk(KERN_ERR "ide-tape: Protocol (0x%02x) is not ATAPI\n",
-                                protocol);
-        else if (device_type != 1)
-                printk(KERN_ERR "ide-tape: Device type (0x%02x) is not set "
-                                "to tape\n", device_type);
-        else if (!removable)
-                printk(KERN_ERR "ide-tape: The removable flag is not set\n");
-        else if (packet_size != 0) {
-                printk(KERN_ERR "ide-tape: Packet size (0x%02x) is not 12"
-                                " bytes\n", packet_size);
-        } else
-                return 1;
-        return 0;
-}
-
 static void idetape_get_inquiry_results(ide_drive_t *drive)
 {
         idetape_tape_t *tape = drive->driver_data;
@@ -2341,7 +2100,7 @@ static void idetape_get_inquiry_results(ide_drive_t *drive)
         char fw_rev[4], vendor_id[8], product_id[16];
 
         idetape_create_inquiry_cmd(&pc);
-        if (idetape_queue_pc_tail(drive, &pc)) {
+        if (ide_queue_pc_tail(drive, tape->disk, &pc)) {
                 printk(KERN_ERR "ide-tape: %s: can't get INQUIRY results\n",
                                 tape->name);
                 return;
@@ -2370,7 +2129,7 @@ static void idetape_get_mode_sense_results(ide_drive_t *drive)
         u8 speed, max_speed;
 
         idetape_create_mode_sense_cmd(&pc, IDETAPE_CAPABILITIES_PAGE);
-        if (idetape_queue_pc_tail(drive, &pc)) {
+        if (ide_queue_pc_tail(drive, tape->disk, &pc)) {
                 printk(KERN_ERR "ide-tape: Can't get tape parameters - assuming"
                                 " some default values\n");
                 tape->blk_size = 512;
@@ -2402,6 +2161,11 @@ static void idetape_get_mode_sense_results(ide_drive_t *drive)
         }
 
         memcpy(&tape->caps, caps, 20);
+
+        /* device lacks locking support according to capabilities page */
+        if ((caps[6] & 1) == 0)
+                drive->atapi_flags |= IDE_AFLAG_NO_DOORLOCK;
+
         if (caps[7] & 0x02)
                 tape->blk_size = 512;
         else if (caps[7] & 0x04)
@@ -2409,28 +2173,56 @@ static void idetape_get_mode_sense_results(ide_drive_t *drive)
 }
 
 #ifdef CONFIG_IDE_PROC_FS
-static void idetape_add_settings(ide_drive_t *drive)
-{
-        idetape_tape_t *tape = drive->driver_data;
-
-        ide_add_setting(drive, "buffer", SETTING_READ, TYPE_SHORT, 0, 0xffff,
-                        1, 2, (u16 *)&tape->caps[16], NULL);
-        ide_add_setting(drive, "speed", SETTING_READ, TYPE_SHORT, 0, 0xffff,
-                        1, 1, (u16 *)&tape->caps[14], NULL);
-        ide_add_setting(drive, "buffer_size", SETTING_READ, TYPE_INT, 0, 0xffff,
-                        1, 1024, &tape->buffer_size, NULL);
-        ide_add_setting(drive, "tdsc", SETTING_RW, TYPE_INT, IDETAPE_DSC_RW_MIN,
-                        IDETAPE_DSC_RW_MAX, 1000, HZ, &tape->best_dsc_rw_freq,
-                        NULL);
-        ide_add_setting(drive, "dsc_overlap", SETTING_RW, TYPE_BYTE, 0, 1, 1,
-                        1, &drive->dsc_overlap, NULL);
-        ide_add_setting(drive, "avg_speed", SETTING_READ, TYPE_INT, 0, 0xffff,
-                        1, 1, &tape->avg_speed, NULL);
-        ide_add_setting(drive, "debug_mask", SETTING_RW, TYPE_INT, 0, 0xffff, 1,
-                        1, &tape->debug_mask, NULL);
-}
-#else
-static inline void idetape_add_settings(ide_drive_t *drive) { ; }
+#define ide_tape_devset_get(name, field) \
+static int get_##name(ide_drive_t *drive) \
+{ \
+        idetape_tape_t *tape = drive->driver_data; \
+        return tape->field; \
+}
+
+#define ide_tape_devset_set(name, field) \
+static int set_##name(ide_drive_t *drive, int arg) \
+{ \
+        idetape_tape_t *tape = drive->driver_data; \
+        tape->field = arg; \
+        return 0; \
+}
+
+#define ide_tape_devset_rw_field(_name, _field) \
+ide_tape_devset_get(_name, _field) \
+ide_tape_devset_set(_name, _field) \
+IDE_DEVSET(_name, DS_SYNC, get_##_name, set_##_name)
+
+#define ide_tape_devset_r_field(_name, _field) \
+ide_tape_devset_get(_name, _field) \
+IDE_DEVSET(_name, 0, get_##_name, NULL)
+
+static int mulf_tdsc(ide_drive_t *drive)        { return 1000; }
+static int divf_tdsc(ide_drive_t *drive)        { return   HZ; }
+static int divf_buffer(ide_drive_t *drive)      { return    2; }
+static int divf_buffer_size(ide_drive_t *drive) { return 1024; }
+
+ide_devset_rw_field(dsc_overlap, dsc_overlap);
+
+ide_tape_devset_rw_field(debug_mask, debug_mask);
+ide_tape_devset_rw_field(tdsc, best_dsc_rw_freq);
+
+ide_tape_devset_r_field(avg_speed, avg_speed);
+ide_tape_devset_r_field(speed, caps[14]);
+ide_tape_devset_r_field(buffer, caps[16]);
+ide_tape_devset_r_field(buffer_size, buffer_size);
+
+static const struct ide_proc_devset idetape_settings[] = {
+        __IDE_PROC_DEVSET(avg_speed,    0, 0xffff, NULL, NULL),
+        __IDE_PROC_DEVSET(buffer,       0, 0xffff, NULL, divf_buffer),
+        __IDE_PROC_DEVSET(buffer_size,  0, 0xffff, NULL, divf_buffer_size),
+        __IDE_PROC_DEVSET(debug_mask,   0, 0xffff, NULL, NULL),
+        __IDE_PROC_DEVSET(dsc_overlap,  0,      1, NULL, NULL),
+        __IDE_PROC_DEVSET(speed,        0, 0xffff, NULL, NULL),
+        __IDE_PROC_DEVSET(tdsc,         IDETAPE_DSC_RW_MIN, IDETAPE_DSC_RW_MAX,
+                                        mulf_tdsc, divf_tdsc),
+        { 0 },
+};
 #endif
 
 /*
@@ -2462,15 +2254,15 @@ static void idetape_setup(ide_drive_t *drive, idetape_tape_t *tape, int minor)
                 drive->dsc_overlap = 0;
         }
         /* Seagate Travan drives do not support DSC overlap. */
-        if (strstr(drive->id->model, "Seagate STT3401"))
+        if (strstr((char *)&drive->id[ATA_ID_PROD], "Seagate STT3401"))
                 drive->dsc_overlap = 0;
         tape->minor = minor;
         tape->name[0] = 'h';
         tape->name[1] = 't';
         tape->name[2] = '0' + minor;
         tape->chrdev_dir = IDETAPE_DIR_NONE;
-        tape->pc = tape->pc_stack;
-        *((unsigned short *) &gcw) = drive->id->config;
+
+        *((u16 *)&gcw) = drive->id[ATA_ID_CONFIG];
 
         /* Command packet DRQ type */
         if (((gcw[0] & 0x60) >> 5) == 1)
@@ -2512,7 +2304,7 @@ static void idetape_setup(ide_drive_t *drive, idetape_tape_t *tape, int minor)
                 tape->best_dsc_rw_freq * 1000 / HZ,
                 drive->using_dma ? ", DMA":"");
 
-        idetape_add_settings(drive);
+        ide_proc_register_driver(drive, tape->driver);
 }
 
 static void ide_tape_remove(ide_drive_t *drive)
@@ -2577,12 +2369,12 @@ static ide_driver_t idetape_driver = {
         .remove                 = ide_tape_remove,
         .version                = IDETAPE_VERSION,
         .media                  = ide_tape,
-        .supports_dsc_overlap   = 1,
         .do_request             = idetape_do_request,
         .end_request            = idetape_end_request,
         .error                  = __ide_error,
 #ifdef CONFIG_IDE_PROC_FS
         .proc                   = idetape_proc,
+        .settings               = idetape_settings,
 #endif
 };
 
@@ -2645,11 +2437,11 @@ static int ide_tape_probe(ide_drive_t *drive)
 
         if (!strstr("ide-tape", drive->driver_req))
                 goto failed;
-        if (!drive->present)
-                goto failed;
+
         if (drive->media != ide_tape)
                 goto failed;
-        if (!idetape_identify_device(drive)) {
+
+        if (drive->id_read == 1 && !ide_check_atapi_device(drive, DRV_NAME)) {
                 printk(KERN_ERR "ide-tape: %s: not supported by this version of"
                                 " the driver\n", drive->name);
                 goto failed;
@@ -2667,8 +2459,6 @@ static int ide_tape_probe(ide_drive_t *drive)
 
         ide_init_disk(g, drive);
 
-        ide_proc_register_driver(drive, &idetape_driver);
-
         kref_init(&tape->kref);
 
         tape->drive = drive;
diff --git a/drivers/ide/ide-taskfile.c b/drivers/ide/ide-taskfile.c
index 7fb6f1c86272..487b18b3ebae 100644
--- a/drivers/ide/ide-taskfile.c
+++ b/drivers/ide/ide-taskfile.c
@@ -44,9 +44,9 @@ int taskfile_lib_get_identify (ide_drive_t *drive, u8 *buf)
         memset(&args, 0, sizeof(ide_task_t));
         args.tf.nsect = 0x01;
         if (drive->media == ide_disk)
-                args.tf.command = WIN_IDENTIFY;
+                args.tf.command = ATA_CMD_ID_ATA;
         else
-                args.tf.command = WIN_PIDENTIFY;
+                args.tf.command = ATA_CMD_ID_ATAPI;
         args.tf_flags   = IDE_TFLAG_TF | IDE_TFLAG_DEVICE;
         args.data_phase = TASKFILE_IN;
         return ide_raw_taskfile(drive, &args, buf, 1);
@@ -99,12 +99,17 @@ ide_startstop_t do_rw_taskfile (ide_drive_t *drive, ide_task_t *task)
         case TASKFILE_NO_DATA:
                 if (handler == NULL)
                         handler = task_no_data_intr;
-                /* WIN_{SPECIFY,RESTORE,SETMULT} use custom handlers */
                 if (task->tf_flags & IDE_TFLAG_CUSTOM_HANDLER) {
                         switch (tf->command) {
-                        case WIN_SPECIFY: handler = set_geometry_intr;  break;
-                        case WIN_RESTORE: handler = recal_intr;         break;
-                        case WIN_SETMULT: handler = set_multmode_intr;  break;
+                        case ATA_CMD_INIT_DEV_PARAMS:
+                                handler = set_geometry_intr;
+                                break;
+                        case ATA_CMD_RESTORE:
+                                handler = recal_intr;
+                                break;
+                        case ATA_CMD_SET_MULTI:
+                                handler = set_multmode_intr;
+                                break;
                         }
                 }
                 ide_execute_command(drive, tf->command, handler,
@@ -121,7 +126,7 @@ ide_startstop_t do_rw_taskfile (ide_drive_t *drive, ide_task_t *task)
 EXPORT_SYMBOL_GPL(do_rw_taskfile);
 
 /*
- * set_multmode_intr() is invoked on completion of a WIN_SETMULT cmd.
+ * set_multmode_intr() is invoked on completion of a ATA_CMD_SET_MULTI cmd.
  */
 static ide_startstop_t set_multmode_intr(ide_drive_t *drive)
 {
@@ -131,7 +136,7 @@ static ide_startstop_t set_multmode_intr(ide_drive_t *drive)
         local_irq_enable_in_hardirq();
         stat = hwif->tp_ops->read_status(hwif);
 
-        if (OK_STAT(stat, READY_STAT, BAD_STAT))
+        if (OK_STAT(stat, ATA_DRDY, BAD_STAT))
                 drive->mult_count = drive->mult_req;
         else {
                 drive->mult_req = drive->mult_count = 0;
@@ -142,7 +147,7 @@ static ide_startstop_t set_multmode_intr(ide_drive_t *drive)
 }
 
 /*
- * set_geometry_intr() is invoked on completion of a WIN_SPECIFY cmd.
+ * set_geometry_intr() is invoked on completion of a ATA_CMD_INIT_DEV_PARAMS cmd.
  */
 static ide_startstop_t set_geometry_intr(ide_drive_t *drive)
 {
@@ -154,15 +159,15 @@ static ide_startstop_t set_geometry_intr(ide_drive_t *drive)
 
         while (1) {
                 stat = hwif->tp_ops->read_status(hwif);
-                if ((stat & BUSY_STAT) == 0 || retries-- == 0)
+                if ((stat & ATA_BUSY) == 0 || retries-- == 0)
                         break;
                 udelay(10);
         };
 
-        if (OK_STAT(stat, READY_STAT, BAD_STAT))
+        if (OK_STAT(stat, ATA_DRDY, BAD_STAT))
                 return ide_stopped;
 
-        if (stat & (ERR_STAT|DRQ_STAT))
+        if (stat & (ATA_ERR | ATA_DRQ))
                 return ide_error(drive, "set_geometry_intr", stat);
 
         ide_set_handler(drive, &set_geometry_intr, WAIT_WORSTCASE, NULL);
@@ -170,7 +175,7 @@ static ide_startstop_t set_geometry_intr(ide_drive_t *drive)
 }
 
 /*
- * recal_intr() is invoked on completion of a WIN_RESTORE (recalibrate) cmd.
+ * recal_intr() is invoked on completion of a ATA_CMD_RESTORE (recalibrate) cmd.
  */
 static ide_startstop_t recal_intr(ide_drive_t *drive)
 {
@@ -180,7 +185,7 @@ static ide_startstop_t recal_intr(ide_drive_t *drive)
         local_irq_enable_in_hardirq();
         stat = hwif->tp_ops->read_status(hwif);
 
-        if (!OK_STAT(stat, READY_STAT, BAD_STAT))
+        if (!OK_STAT(stat, ATA_DRDY, BAD_STAT))
                 return ide_error(drive, "recal_intr", stat);
         return ide_stopped;
 }
@@ -197,7 +202,7 @@ static ide_startstop_t task_no_data_intr(ide_drive_t *drive)
         local_irq_enable_in_hardirq();
         stat = hwif->tp_ops->read_status(hwif);
 
-        if (!OK_STAT(stat, READY_STAT, BAD_STAT))
+        if (!OK_STAT(stat, ATA_DRDY, BAD_STAT))
                 return ide_error(drive, "task_no_data_intr", stat);
                 /* calls ide_end_drive_cmd */
 
@@ -220,13 +225,13 @@ static u8 wait_drive_not_busy(ide_drive_t *drive)
         for (retries = 0; retries < 1000; retries++) {
                 stat = hwif->tp_ops->read_status(hwif);
 
-                if (stat & BUSY_STAT)
+                if (stat & ATA_BUSY)
                         udelay(10);
                 else
                         break;
         }
 
-        if (stat & BUSY_STAT)
+        if (stat & ATA_BUSY)
                 printk(KERN_ERR "%s: drive still BUSY!\n", drive->name);
 
         return stat;
@@ -385,7 +390,7 @@ void task_end_request(ide_drive_t *drive, struct request *rq, u8 stat)
 static ide_startstop_t task_in_unexpected(ide_drive_t *drive, struct request *rq, u8 stat)
 {
         /* Command all done? */
-        if (OK_STAT(stat, READY_STAT, BUSY_STAT)) {
+        if (OK_STAT(stat, ATA_DRDY, ATA_BUSY)) {
                 task_end_request(drive, rq, stat);
                 return ide_stopped;
         }
@@ -405,11 +410,11 @@ static ide_startstop_t task_in_intr(ide_drive_t *drive)
         u8 stat = hwif->tp_ops->read_status(hwif);
 
         /* Error? */
-        if (stat & ERR_STAT)
+        if (stat & ATA_ERR)
                 return task_error(drive, rq, __func__, stat);
 
         /* Didn't want any data? Odd. */
-        if (!(stat & DRQ_STAT))
+        if ((stat & ATA_DRQ) == 0)
                 return task_in_unexpected(drive, rq, stat);
 
         ide_pio_datablock(drive, rq, 0);
@@ -442,7 +447,7 @@ static ide_startstop_t task_out_intr (ide_drive_t *drive)
                 return task_error(drive, rq, __func__, stat);
 
         /* Deal with unexpected ATA data phase. */
-        if (((stat & DRQ_STAT) == 0) ^ !hwif->nleft)
+        if (((stat & ATA_DRQ) == 0) ^ !hwif->nleft)
                 return task_error(drive, rq, __func__, stat);
 
         if (!hwif->nleft) {
@@ -461,7 +466,7 @@ static ide_startstop_t pre_task_out_intr(ide_drive_t *drive, struct request *rq)
 {
         ide_startstop_t startstop;
 
-        if (ide_wait_stat(&startstop, drive, DRQ_STAT,
+        if (ide_wait_stat(&startstop, drive, ATA_DRQ,
                           drive->bad_wstat, WAIT_DRQ)) {
                 printk(KERN_ERR "%s: no DRQ after issuing %sWRITE%s\n",
                                 drive->name,
@@ -721,110 +726,3 @@ abort:
         return err;
 }
 #endif
-
-int ide_cmd_ioctl (ide_drive_t *drive, unsigned int cmd, unsigned long arg)
-{
-        u8 *buf = NULL;
-        int bufsize = 0, err = 0;
-        u8 args[4], xfer_rate = 0;
-        ide_task_t tfargs;
-        struct ide_taskfile *tf = &tfargs.tf;
-        struct hd_driveid *id = drive->id;
-
-        if (NULL == (void *) arg) {
-                struct request *rq;
-
-                rq = blk_get_request(drive->queue, READ, __GFP_WAIT);
-                rq->cmd_type = REQ_TYPE_ATA_TASKFILE;
-                err = blk_execute_rq(drive->queue, NULL, rq, 0);
-                blk_put_request(rq);
-
-                return err;
-        }
-
-        if (copy_from_user(args, (void __user *)arg, 4))
-                return -EFAULT;
-
-        memset(&tfargs, 0, sizeof(ide_task_t));
-        tf->feature = args[2];
-        if (args[0] == WIN_SMART) {
-                tf->nsect = args[3];
-                tf->lbal  = args[1];
-                tf->lbam  = 0x4f;
-                tf->lbah  = 0xc2;
-                tfargs.tf_flags = IDE_TFLAG_OUT_TF | IDE_TFLAG_IN_NSECT;
-        } else {
-                tf->nsect = args[1];
-                tfargs.tf_flags = IDE_TFLAG_OUT_FEATURE |
-                                  IDE_TFLAG_OUT_NSECT | IDE_TFLAG_IN_NSECT;
-        }
-        tf->command = args[0];
-        tfargs.data_phase = args[3] ? TASKFILE_IN : TASKFILE_NO_DATA;
-
-        if (args[3]) {
-                tfargs.tf_flags |= IDE_TFLAG_IO_16BIT;
-                bufsize = SECTOR_WORDS * 4 * args[3];
-                buf = kzalloc(bufsize, GFP_KERNEL);
-                if (buf == NULL)
-                        return -ENOMEM;
-        }
-
-        if (tf->command == WIN_SETFEATURES &&
-            tf->feature == SETFEATURES_XFER &&
-            tf->nsect >= XFER_SW_DMA_0 &&
-            (id->dma_ultra || id->dma_mword || id->dma_1word)) {
-                xfer_rate = args[1];
-                if (tf->nsect > XFER_UDMA_2 && !eighty_ninty_three(drive)) {
-                        printk(KERN_WARNING "%s: UDMA speeds >UDMA33 cannot "
-                                            "be set\n", drive->name);
-                        goto abort;
-                }
-        }
-
-        err = ide_raw_taskfile(drive, &tfargs, buf, args[3]);
-
-        args[0] = tf->status;
-        args[1] = tf->error;
-        args[2] = tf->nsect;
-
-        if (!err && xfer_rate) {
-                /* active-retuning-calls future */
-                ide_set_xfer_rate(drive, xfer_rate);
-                ide_driveid_update(drive);
-        }
-abort:
-        if (copy_to_user((void __user *)arg, &args, 4))
-                err = -EFAULT;
-        if (buf) {
-                if (copy_to_user((void __user *)(arg + 4), buf, bufsize))
-                        err = -EFAULT;
-                kfree(buf);
-        }
-        return err;
-}
-
-int ide_task_ioctl (ide_drive_t *drive, unsigned int cmd, unsigned long arg)
-{
-        void __user *p = (void __user *)arg;
-        int err = 0;
-        u8 args[7];
-        ide_task_t task;
-
-        if (copy_from_user(args, p, 7))
-                return -EFAULT;
-
-        memset(&task, 0, sizeof(task));
-        memcpy(&task.tf_array[7], &args[1], 6);
-        task.tf.command = args[0];
-        task.tf_flags = IDE_TFLAG_TF | IDE_TFLAG_DEVICE;
-
-        err = ide_no_data_taskfile(drive, &task);
-
-        args[0] = task.tf.command;
-        memcpy(&args[1], &task.tf_array[7], 6);
-
-        if (copy_to_user(p, args, 7))
-                err = -EFAULT;
-
-        return err;
-}
diff --git a/drivers/ide/ide-timings.c b/drivers/ide/ide-timings.c
index 8c2f8327f487..81f527af8fae 100644
--- a/drivers/ide/ide-timings.c
+++ b/drivers/ide/ide-timings.c
@@ -22,7 +22,6 @@
  */
 
 #include <linux/kernel.h>
-#include <linux/hdreg.h>
 #include <linux/ide.h>
 #include <linux/module.h>
 
@@ -78,15 +77,15 @@ EXPORT_SYMBOL_GPL(ide_timing_find_mode);
 
 u16 ide_pio_cycle_time(ide_drive_t *drive, u8 pio)
 {
-        struct hd_driveid *id = drive->id;
+        u16 *id = drive->id;
         struct ide_timing *t = ide_timing_find_mode(XFER_PIO_0 + pio);
         u16 cycle = 0;
 
-        if (id->field_valid & 2) {
-                if (id->capability & 8)
-                        cycle = id->eide_pio_iordy;
+        if (id[ATA_ID_FIELD_VALID] & 2) {
+                if (ata_id_has_iordy(drive->id))
+                        cycle = id[ATA_ID_EIDE_PIO_IORDY];
                 else
-                        cycle = id->eide_pio;
+                        cycle = id[ATA_ID_EIDE_PIO];
 
                 /* conservative "downgrade" for all pre-ATA2 drives */
                 if (pio < 3 && cycle < t->cycle)
@@ -138,7 +137,7 @@ EXPORT_SYMBOL_GPL(ide_timing_merge);
 int ide_timing_compute(ide_drive_t *drive, u8 speed,
                        struct ide_timing *t, int T, int UT)
 {
-        struct hd_driveid *id = drive->id;
+        u16 *id = drive->id;
         struct ide_timing *s, p;
 
         /*
@@ -157,16 +156,15 @@ int ide_timing_compute(ide_drive_t *drive, u8 speed,
          * If the drive is an EIDE drive, it can tell us it needs extended
          * PIO/MWDMA cycle timing.
          */
-        if (id && id->field_valid & 2) {        /* EIDE drive */
-
+        if (id[ATA_ID_FIELD_VALID] & 2) {       /* EIDE drive */
                 memset(&p, 0, sizeof(p));
 
                 if (speed <= XFER_PIO_2)
-                        p.cycle = p.cyc8b = id->eide_pio;
+                        p.cycle = p.cyc8b = id[ATA_ID_EIDE_PIO];
                 else if (speed <= XFER_PIO_5)
-                        p.cycle = p.cyc8b = id->eide_pio_iordy;
+                        p.cycle = p.cyc8b = id[ATA_ID_EIDE_PIO_IORDY];
                 else if (speed >= XFER_MW_DMA_0 && speed <= XFER_MW_DMA_2)
-                        p.cycle = id->eide_dma_min;
+                        p.cycle = id[ATA_ID_EIDE_DMA_MIN];
 
                 ide_timing_merge(&p, t, t, IDE_TIMING_CYCLE | IDE_TIMING_CYC8B);
         }
diff --git a/drivers/ide/ide.c b/drivers/ide/ide.c
index 772451600e4d..9dcf5aed92cb 100644
--- a/drivers/ide/ide.c
+++ b/drivers/ide/ide.c
@@ -44,8 +44,6 @@
  *  inspiration from lots of linux users, esp.  hamish@zot.apana.org.au
  */
 
-#define _IDE_C                  /* Tell ide.h it's really us */
-
 #include <linux/module.h>
 #include <linux/types.h>
 #include <linux/string.h>
@@ -58,6 +56,7 @@
 #include <linux/init.h>
 #include <linux/pci.h>
 #include <linux/ide.h>
+#include <linux/hdreg.h>
 #include <linux/completion.h>
 #include <linux/device.h>
 
@@ -97,8 +96,6 @@ void ide_init_port_data(ide_hwif_t *hwif, unsigned int index)
         hwif->name[2]   = 'e';
         hwif->name[3]   = '0' + index;
 
-        hwif->bus_state = BUSSTATE_ON;
-
         init_completion(&hwif->gendev_rel_comp);
 
         hwif->tp_ops = &default_tp_ops;
@@ -119,7 +116,7 @@ static void ide_port_init_devices_data(ide_hwif_t *hwif)
                 drive->media                    = ide_disk;
                 drive->select.all               = (unit<<4)|0xa0;
                 drive->hwif                     = hwif;
-                drive->ready_stat               = READY_STAT;
+                drive->ready_stat               = ATA_DRDY;
                 drive->bad_wstat                = BAD_W_STAT;
                 drive->special.b.recalibrate    = 1;
                 drive->special.b.set_geometry   = 1;
@@ -253,42 +250,9 @@ void ide_init_port_hw(ide_hwif_t *hwif, hw_regs_t *hw)
 
 DEFINE_MUTEX(ide_setting_mtx);
 
-EXPORT_SYMBOL_GPL(ide_setting_mtx);
-
-/**
- *      ide_spin_wait_hwgroup   -       wait for group
- *      @drive: drive in the group
- *
- *      Wait for an IDE device group to go non busy and then return
- *      holding the ide_lock which guards the hwgroup->busy status
- *      and right to use it.
- */
+ide_devset_get(io_32bit, io_32bit);
 
-int ide_spin_wait_hwgroup (ide_drive_t *drive)
-{
-        ide_hwgroup_t *hwgroup = HWGROUP(drive);
-        unsigned long timeout = jiffies + (3 * HZ);
-
-        spin_lock_irq(&ide_lock);
-
-        while (hwgroup->busy) {
-                unsigned long lflags;
-                spin_unlock_irq(&ide_lock);
-                local_irq_set(lflags);
-                if (time_after(jiffies, timeout)) {
-                        local_irq_restore(lflags);
-                        printk(KERN_ERR "%s: channel busy\n", drive->name);
-                        return -EBUSY;
-                }
-                local_irq_restore(lflags);
-                spin_lock_irq(&ide_lock);
-        }
-        return 0;
-}
-
-EXPORT_SYMBOL(ide_spin_wait_hwgroup);
-
-int set_io_32bit(ide_drive_t *drive, int arg)
+static int set_io_32bit(ide_drive_t *drive, int arg)
 {
         if (drive->no_io_32bit)
                 return -EPERM;
@@ -296,53 +260,39 @@ int set_io_32bit(ide_drive_t *drive, int arg)
         if (arg < 0 || arg > 1 + (SUPPORT_VLB_SYNC << 1))
                 return -EINVAL;
 
-        if (ide_spin_wait_hwgroup(drive))
-                return -EBUSY;
-
         drive->io_32bit = arg;
 
-        spin_unlock_irq(&ide_lock);
-
         return 0;
 }
 
+ide_devset_get(ksettings, keep_settings);
+
 static int set_ksettings(ide_drive_t *drive, int arg)
 {
         if (arg < 0 || arg > 1)
                 return -EINVAL;
 
-        if (ide_spin_wait_hwgroup(drive))
-                return -EBUSY;
         drive->keep_settings = arg;
-        spin_unlock_irq(&ide_lock);
 
         return 0;
 }
 
-int set_using_dma(ide_drive_t *drive, int arg)
+ide_devset_get(using_dma, using_dma);
+
+static int set_using_dma(ide_drive_t *drive, int arg)
 {
 #ifdef CONFIG_BLK_DEV_IDEDMA
-        ide_hwif_t *hwif = drive->hwif;
         int err = -EPERM;
 
         if (arg < 0 || arg > 1)
                 return -EINVAL;
 
-        if (!drive->id || !(drive->id->capability & 1))
+        if (ata_id_has_dma(drive->id) == 0)
                 goto out;
 
-        if (hwif->dma_ops == NULL)
+        if (drive->hwif->dma_ops == NULL)
                 goto out;
 
-        err = -EBUSY;
-        if (ide_spin_wait_hwgroup(drive))
-                goto out;
-        /*
-         * set ->busy flag, unlock and let it ride
-         */
-        hwif->hwgroup->busy = 1;
-        spin_unlock_irq(&ide_lock);
-
         err = 0;
 
         if (arg) {
@@ -351,12 +301,6 @@ int set_using_dma(ide_drive_t *drive, int arg)
         } else
                 ide_dma_off(drive);
 
-        /*
-         * lock, clear ->busy flag and unlock before leaving
-         */
-        spin_lock_irq(&ide_lock);
-        hwif->hwgroup->busy = 0;
-        spin_unlock_irq(&ide_lock);
 out:
         return err;
 #else
@@ -367,7 +311,7 @@ out:
 #endif
 }
 
-int set_pio_mode(ide_drive_t *drive, int arg)
+static int set_pio_mode(ide_drive_t *drive, int arg)
 {
         struct request *rq;
         ide_hwif_t *hwif = drive->hwif;
@@ -395,6 +339,8 @@ int set_pio_mode(ide_drive_t *drive, int arg)
         return 0;
 }
 
+ide_devset_get(unmaskirq, unmask);
+
 static int set_unmaskirq(ide_drive_t *drive, int arg)
 {
         if (drive->no_unmask)
@@ -403,14 +349,20 @@ static int set_unmaskirq(ide_drive_t *drive, int arg)
         if (arg < 0 || arg > 1)
                 return -EINVAL;
 
-        if (ide_spin_wait_hwgroup(drive))
-                return -EBUSY;
         drive->unmask = arg;
-        spin_unlock_irq(&ide_lock);
 
         return 0;
 }
 
+#define ide_gen_devset_rw(_name, _func) \
+__IDE_DEVSET(_name, DS_SYNC, get_##_func, set_##_func)
+
+ide_gen_devset_rw(io_32bit, io_32bit);
+ide_gen_devset_rw(keepsettings, ksettings);
+ide_gen_devset_rw(unmaskirq, unmaskirq);
+ide_gen_devset_rw(using_dma, using_dma);
+__IDE_DEVSET(pio_mode, 0, NULL, set_pio_mode);
+
 static int generic_ide_suspend(struct device *dev, pm_message_t mesg)
 {
         ide_drive_t *drive = dev->driver_data;
@@ -486,138 +438,6 @@ static int generic_ide_resume(struct device *dev)
         return err;
 }
 
-static int generic_drive_reset(ide_drive_t *drive)
-{
-        struct request *rq;
-        int ret = 0;
-
-        rq = blk_get_request(drive->queue, READ, __GFP_WAIT);
-        rq->cmd_type = REQ_TYPE_SPECIAL;
-        rq->cmd_len = 1;
-        rq->cmd[0] = REQ_DRIVE_RESET;
-        rq->cmd_flags |= REQ_SOFTBARRIER;
-        if (blk_execute_rq(drive->queue, NULL, rq, 1))
-                ret = rq->errors;
-        blk_put_request(rq);
-        return ret;
-}
-
-int generic_ide_ioctl(ide_drive_t *drive, struct file *file, struct block_device *bdev,
-                        unsigned int cmd, unsigned long arg)
-{
-        unsigned long flags;
-        ide_driver_t *drv;
-        void __user *p = (void __user *)arg;
-        int err = 0, (*setfunc)(ide_drive_t *, int);
-        u8 *val;
-
-        switch (cmd) {
-        case HDIO_GET_32BIT:        val = &drive->io_32bit;      goto read_val;
-        case HDIO_GET_KEEPSETTINGS: val = &drive->keep_settings; goto read_val;
-        case HDIO_GET_UNMASKINTR:   val = &drive->unmask;        goto read_val;
-        case HDIO_GET_DMA:          val = &drive->using_dma;     goto read_val;
-        case HDIO_SET_32BIT:        setfunc = set_io_32bit;      goto set_val;
-        case HDIO_SET_KEEPSETTINGS: setfunc = set_ksettings;     goto set_val;
-        case HDIO_SET_PIO_MODE:     setfunc = set_pio_mode;      goto set_val;
-        case HDIO_SET_UNMASKINTR:   setfunc = set_unmaskirq;     goto set_val;
-        case HDIO_SET_DMA:          setfunc = set_using_dma;     goto set_val;
-        }
-
-        switch (cmd) {
-                case HDIO_OBSOLETE_IDENTITY:
-                case HDIO_GET_IDENTITY:
-                        if (bdev != bdev->bd_contains)
-                                return -EINVAL;
-                        if (drive->id_read == 0)
-                                return -ENOMSG;
-                        if (copy_to_user(p, drive->id, (cmd == HDIO_GET_IDENTITY) ? sizeof(*drive->id) : 142))
-                                return -EFAULT;
-                        return 0;
-
-                case HDIO_GET_NICE:
-                        return put_user(drive->dsc_overlap      <<      IDE_NICE_DSC_OVERLAP    |
-                                        drive->atapi_overlap    <<      IDE_NICE_ATAPI_OVERLAP  |
-                                        drive->nice1 << IDE_NICE_1,
-                                        (long __user *) arg);
-#ifdef CONFIG_IDE_TASK_IOCTL
-                case HDIO_DRIVE_TASKFILE:
-                        if (!capable(CAP_SYS_ADMIN) || !capable(CAP_SYS_RAWIO))
-                                return -EACCES;
-                        switch(drive->media) {
-                                case ide_disk:
-                                        return ide_taskfile_ioctl(drive, cmd, arg);
-                                default:
-                                        return -ENOMSG;
-                        }
-#endif /* CONFIG_IDE_TASK_IOCTL */
-
-                case HDIO_DRIVE_CMD:
-                        if (!capable(CAP_SYS_RAWIO))
-                                return -EACCES;
-                        return ide_cmd_ioctl(drive, cmd, arg);
-
-                case HDIO_DRIVE_TASK:
-                        if (!capable(CAP_SYS_RAWIO))
-                                return -EACCES;
-                        return ide_task_ioctl(drive, cmd, arg);
-                case HDIO_SET_NICE:
-                        if (!capable(CAP_SYS_ADMIN)) return -EACCES;
-                        if (arg != (arg & ((1 << IDE_NICE_DSC_OVERLAP) | (1 << IDE_NICE_1))))
-                                return -EPERM;
-                        drive->dsc_overlap = (arg >> IDE_NICE_DSC_OVERLAP) & 1;
-                        drv = *(ide_driver_t **)bdev->bd_disk->private_data;
-                        if (drive->dsc_overlap && !drv->supports_dsc_overlap) {
-                                drive->dsc_overlap = 0;
-                                return -EPERM;
-                        }
-                        drive->nice1 = (arg >> IDE_NICE_1) & 1;
-                        return 0;
-                case HDIO_DRIVE_RESET:
-                        if (!capable(CAP_SYS_ADMIN))
-                                return -EACCES;
-
-                        return generic_drive_reset(drive);
-
-                case HDIO_GET_BUSSTATE:
-                        if (!capable(CAP_SYS_ADMIN))
-                                return -EACCES;
-                        if (put_user(HWIF(drive)->bus_state, (long __user *)arg))
-                                return -EFAULT;
-                        return 0;
-
-                case HDIO_SET_BUSSTATE:
-                        if (!capable(CAP_SYS_ADMIN))
-                                return -EACCES;
-                        return -EOPNOTSUPP;
-                default:
-                        return -EINVAL;
-        }
-
-read_val:
-        mutex_lock(&ide_setting_mtx);
-        spin_lock_irqsave(&ide_lock, flags);
-        err = *val;
-        spin_unlock_irqrestore(&ide_lock, flags);
-        mutex_unlock(&ide_setting_mtx);
-        return err >= 0 ? put_user(err, (long __user *)arg) : err;
-
-set_val:
-        if (bdev != bdev->bd_contains)
-                err = -EINVAL;
-        else {
-                if (!capable(CAP_SYS_ADMIN))
-                        err = -EACCES;
-                else {
-                        mutex_lock(&ide_setting_mtx);
-                        err = setfunc(drive, arg);
-                        mutex_unlock(&ide_setting_mtx);
-                }
-        }
-        return err;
-}
-
-EXPORT_SYMBOL(generic_ide_ioctl);
-
 /**
  * ide_device_get       -       get an additional reference to a ide_drive_t
  * @drive:      device to get a reference to
@@ -710,21 +530,21 @@ static ssize_t model_show(struct device *dev, struct device_attribute *attr,
                           char *buf)
 {
         ide_drive_t *drive = to_ide_device(dev);
-        return sprintf(buf, "%s\n", drive->id->model);
+        return sprintf(buf, "%s\n", (char *)&drive->id[ATA_ID_PROD]);
 }
 
 static ssize_t firmware_show(struct device *dev, struct device_attribute *attr,
                              char *buf)
 {
         ide_drive_t *drive = to_ide_device(dev);
-        return sprintf(buf, "%s\n", drive->id->fw_rev);
+        return sprintf(buf, "%s\n", (char *)&drive->id[ATA_ID_FW_REV]);
 }
 
 static ssize_t serial_show(struct device *dev, struct device_attribute *attr,
                            char *buf)
 {
         ide_drive_t *drive = to_ide_device(dev);
-        return sprintf(buf, "%s\n", drive->id->serial_no);
+        return sprintf(buf, "%s\n", (char *)&drive->id[ATA_ID_SERNO]);
 }
 
 static struct device_attribute ide_dev_attrs[] = {
@@ -841,7 +661,7 @@ MODULE_PARM_DESC(noprobe, "skip probing for a device");
 static unsigned int ide_nowerr;
 
 module_param_call(nowerr, ide_set_dev_param_mask, NULL, &ide_nowerr, 0);
-MODULE_PARM_DESC(nowerr, "ignore the WRERR_STAT bit for a device");
+MODULE_PARM_DESC(nowerr, "ignore the ATA_DF bit for a device");
 
 static unsigned int ide_cdroms;
 
@@ -906,7 +726,7 @@ static void ide_dev_apply_params(ide_drive_t *drive)
                 drive->noprobe = 1;
         }
         if (ide_nowerr & (1 << i)) {
-                printk(KERN_INFO "ide: ignoring the WRERR_STAT bit for %s\n",
+                printk(KERN_INFO "ide: ignoring the ATA_DF bit for %s\n",
                                  drive->name);
                 drive->bad_wstat = BAD_R_STAT;
         }
@@ -927,7 +747,7 @@ static void ide_dev_apply_params(ide_drive_t *drive)
                                  drive->cyl, drive->head, drive->sect);
                 drive->present = 1;
                 drive->media = ide_disk;
-                drive->ready_stat = READY_STAT;
+                drive->ready_stat = ATA_DRDY;
         }
 }
 
diff --git a/drivers/ide/legacy/ali14xx.c b/drivers/ide/legacy/ali14xx.c
index 4ec19737f3c5..7276c96aaa2a 100644
--- a/drivers/ide/legacy/ali14xx.c
+++ b/drivers/ide/legacy/ali14xx.c
@@ -43,7 +43,6 @@
 #include <linux/mm.h>
 #include <linux/ioport.h>
 #include <linux/blkdev.h>
-#include <linux/hdreg.h>
 #include <linux/ide.h>
 #include <linux/init.h>
 
diff --git a/drivers/ide/legacy/buddha.c b/drivers/ide/legacy/buddha.c
index 7c2afa97f417..c5a3c9ef6a5d 100644
--- a/drivers/ide/legacy/buddha.c
+++ b/drivers/ide/legacy/buddha.c
@@ -20,7 +20,6 @@
 #include <linux/mm.h>
 #include <linux/interrupt.h>
 #include <linux/blkdev.h>
-#include <linux/hdreg.h>
 #include <linux/zorro.h>
 #include <linux/ide.h>
 #include <linux/init.h>
diff --git a/drivers/ide/legacy/dtc2278.c b/drivers/ide/legacy/dtc2278.c
index af791a02a120..689b2e493413 100644
--- a/drivers/ide/legacy/dtc2278.c
+++ b/drivers/ide/legacy/dtc2278.c
@@ -10,7 +10,6 @@
 #include <linux/mm.h>
 #include <linux/ioport.h>
 #include <linux/blkdev.h>
-#include <linux/hdreg.h>
 #include <linux/ide.h>
 #include <linux/init.h>
 
diff --git a/drivers/ide/legacy/falconide.c b/drivers/ide/legacy/falconide.c
index 724f95073d80..39d500d84b07 100644
--- a/drivers/ide/legacy/falconide.c
+++ b/drivers/ide/legacy/falconide.c
@@ -13,7 +13,6 @@
 #include <linux/mm.h>
 #include <linux/interrupt.h>
 #include <linux/blkdev.h>
-#include <linux/hdreg.h>
 #include <linux/ide.h>
 #include <linux/init.h>
 
diff --git a/drivers/ide/legacy/gayle.c b/drivers/ide/legacy/gayle.c
index 51ba085d7aa8..691506886561 100644
--- a/drivers/ide/legacy/gayle.c
+++ b/drivers/ide/legacy/gayle.c
@@ -12,7 +12,6 @@
 #include <linux/mm.h>
 #include <linux/interrupt.h>
 #include <linux/blkdev.h>
-#include <linux/hdreg.h>
 #include <linux/ide.h>
 #include <linux/init.h>
 #include <linux/zorro.h>
diff --git a/drivers/ide/legacy/ht6560b.c b/drivers/ide/legacy/ht6560b.c
index 98f7c95e39ed..5123ea291d07 100644
--- a/drivers/ide/legacy/ht6560b.c
+++ b/drivers/ide/legacy/ht6560b.c
@@ -24,7 +24,6 @@
 #include <linux/mm.h>
 #include <linux/ioport.h>
 #include <linux/blkdev.h>
-#include <linux/hdreg.h>
 #include <linux/ide.h>
 #include <linux/init.h>
 
diff --git a/drivers/ide/legacy/ide-cs.c b/drivers/ide/legacy/ide-cs.c
index 21bfac137844..ee6fc30d5e2b 100644
--- a/drivers/ide/legacy/ide-cs.c
+++ b/drivers/ide/legacy/ide-cs.c
@@ -38,7 +38,6 @@
 #include <linux/timer.h>
 #include <linux/ioport.h>
 #include <linux/ide.h>
-#include <linux/hdreg.h>
 #include <linux/major.h>
 #include <linux/delay.h>
 #include <asm/io.h>
diff --git a/drivers/ide/legacy/macide.c b/drivers/ide/legacy/macide.c
index a0bb167980e7..43f97cc1d30e 100644
--- a/drivers/ide/legacy/macide.c
+++ b/drivers/ide/legacy/macide.c
@@ -15,7 +15,6 @@
 #include <linux/mm.h>
 #include <linux/interrupt.h>
 #include <linux/blkdev.h>
-#include <linux/hdreg.h>
 #include <linux/delay.h>
 #include <linux/ide.h>
 
diff --git a/drivers/ide/legacy/q40ide.c b/drivers/ide/legacy/q40ide.c
index 4abd8fc78197..4af4a8ce4cdf 100644
--- a/drivers/ide/legacy/q40ide.c
+++ b/drivers/ide/legacy/q40ide.c
@@ -14,8 +14,6 @@
 #include <linux/mm.h>
 #include <linux/interrupt.h>
 #include <linux/blkdev.h>
-#include <linux/hdreg.h>
-
 #include <linux/ide.h>
 
     /*
diff --git a/drivers/ide/legacy/qd65xx.c b/drivers/ide/legacy/qd65xx.c
index 2338f344ea24..ec408b3a7100 100644
--- a/drivers/ide/legacy/qd65xx.c
+++ b/drivers/ide/legacy/qd65xx.c
@@ -27,7 +27,6 @@
 #include <linux/mm.h>
 #include <linux/ioport.h>
 #include <linux/blkdev.h>
-#include <linux/hdreg.h>
 #include <linux/ide.h>
 #include <linux/init.h>
 #include <asm/system.h>
@@ -151,12 +150,14 @@ static int qd_find_disk_type (ide_drive_t *drive,
                 int *active_time, int *recovery_time)
 {
         struct qd65xx_timing_s *p;
-        char model[40];
+        char *m = (char *)&drive->id[ATA_ID_PROD];
+        char model[ATA_ID_PROD_LEN];
 
-        if (!*drive->id->model) return 0;
+        if (*m == 0)
+                return 0;
 
-        strncpy(model,drive->id->model,40);
-        ide_fixstring(model,40,1); /* byte-swap */
+        strncpy(model, m, ATA_ID_PROD_LEN);
+        ide_fixstring(model, ATA_ID_PROD_LEN, 1); /* byte-swap */
 
         for (p = qd65xx_timing ; p->offset != -1 ; p++) {
                 if (!strncmp(p->model, model+p->offset, 4)) {
@@ -185,20 +186,20 @@ static void qd_set_timing (ide_drive_t *drive, u8 timing)
 
 static void qd6500_set_pio_mode(ide_drive_t *drive, const u8 pio)
 {
+        u16 *id = drive->id;
         int active_time   = 175;
         int recovery_time = 415; /* worst case values from the dos driver */
 
         /*
          * FIXME: use "pio" value
          */
-        if (drive->id && !qd_find_disk_type(drive, &active_time, &recovery_time)
-                && drive->id->tPIO && (drive->id->field_valid & 0x02)
-                && drive->id->eide_pio >= 240) {
-
+        if (!qd_find_disk_type(drive, &active_time, &recovery_time) &&
+            (id[ATA_ID_OLD_PIO_MODES] & 0xff) && (id[ATA_ID_FIELD_VALID] & 2) &&
+            id[ATA_ID_EIDE_PIO] >= 240) {
                 printk(KERN_INFO "%s: PIO mode%d\n", drive->name,
-                                drive->id->tPIO);
+                        id[ATA_ID_OLD_PIO_MODES] & 0xff);
                 active_time = 110;
-                recovery_time = drive->id->eide_pio - 120;
+                recovery_time = drive->id[ATA_ID_EIDE_PIO] - 120;
         }
 
         qd_set_timing(drive, qd6500_compute_timing(HWIF(drive), active_time, recovery_time));
diff --git a/drivers/ide/legacy/umc8672.c b/drivers/ide/legacy/umc8672.c
index b54a14a57755..1da076e0c917 100644
--- a/drivers/ide/legacy/umc8672.c
+++ b/drivers/ide/legacy/umc8672.c
@@ -45,7 +45,6 @@
 #include <linux/mm.h>
 #include <linux/ioport.h>
 #include <linux/blkdev.h>
-#include <linux/hdreg.h>
 #include <linux/ide.h>
 #include <linux/init.h>
 
diff --git a/drivers/ide/pci/aec62xx.c b/drivers/ide/pci/aec62xx.c
index 3187215e8f89..e7475ba559c7 100644
--- a/drivers/ide/pci/aec62xx.c
+++ b/drivers/ide/pci/aec62xx.c
@@ -7,7 +7,6 @@
 #include <linux/module.h>
 #include <linux/types.h>
 #include <linux/pci.h>
-#include <linux/hdreg.h>
 #include <linux/ide.h>
 #include <linux/init.h>
 
@@ -140,7 +139,7 @@ static void aec_set_pio_mode(ide_drive_t *drive, const u8 pio)
         drive->hwif->port_ops->set_dma_mode(drive, pio + XFER_PIO_0);
 }
 
-static unsigned int __devinit init_chipset_aec62xx(struct pci_dev *dev)
+static unsigned int init_chipset_aec62xx(struct pci_dev *dev)
 {
         /* These are necessary to get AEC6280 Macintosh cards to work */
         if ((dev->device == PCI_DEVICE_ID_ARTOP_ATP865) ||
@@ -308,6 +307,8 @@ static struct pci_driver driver = {
         .id_table       = aec62xx_pci_tbl,
         .probe          = aec62xx_init_one,
         .remove         = __devexit_p(aec62xx_remove),
+        .suspend        = ide_pci_suspend,
+        .resume         = ide_pci_resume,
 };
 
 static int __init aec62xx_ide_init(void)
diff --git a/drivers/ide/pci/alim15x3.c b/drivers/ide/pci/alim15x3.c
index d647526af557..053c75263918 100644
--- a/drivers/ide/pci/alim15x3.c
+++ b/drivers/ide/pci/alim15x3.c
@@ -31,7 +31,6 @@
 #include <linux/types.h>
 #include <linux/kernel.h>
 #include <linux/pci.h>
-#include <linux/hdreg.h>
 #include <linux/ide.h>
 #include <linux/init.h>
 #include <linux/dmi.h>
@@ -134,8 +133,8 @@ static u8 ali_udma_filter(ide_drive_t *drive)
         if (m5229_revision > 0x20 && m5229_revision < 0xC2) {
                 if (drive->media != ide_disk)
                         return 0;
-                if (chip_is_1543c_e && strstr(drive->id->model, "WDC ") &&
-                    wdc_udma == 0)
+                if (wdc_udma == 0 && chip_is_1543c_e &&
+                    strstr((char *)&drive->id[ATA_ID_PROD], "WDC "))
                         return 0;
         }
 
@@ -214,7 +213,7 @@ static int ali15x3_dma_setup(ide_drive_t *drive)
  *      appropriate also sets up the 1533 southbridge.
  */
 
-static unsigned int __devinit init_chipset_ali15x3(struct pci_dev *dev)
+static unsigned int init_chipset_ali15x3(struct pci_dev *dev)
 {
         unsigned long flags;
         u8 tmpbyte;
@@ -582,6 +581,8 @@ static struct pci_driver driver = {
         .id_table       = alim15x3_pci_tbl,
         .probe          = alim15x3_init_one,
         .remove         = ide_pci_remove,
+        .suspend        = ide_pci_suspend,
+        .resume         = ide_pci_resume,
 };
 
 static int __init ali15x3_ide_init(void)
diff --git a/drivers/ide/pci/amd74xx.c b/drivers/ide/pci/amd74xx.c
index 1e66a960a96a..824471f91bf5 100644
--- a/drivers/ide/pci/amd74xx.c
+++ b/drivers/ide/pci/amd74xx.c
@@ -112,13 +112,13 @@ static void amd_set_pio_mode(ide_drive_t *drive, const u8 pio)
         amd_set_drive(drive, XFER_PIO_0 + pio);
 }
 
-static void __devinit amd7409_cable_detect(struct pci_dev *dev)
+static void amd7409_cable_detect(struct pci_dev *dev)
 {
         /* no host side cable detection */
         amd_80w = 0x03;
 }
 
-static void __devinit amd7411_cable_detect(struct pci_dev *dev)
+static void amd7411_cable_detect(struct pci_dev *dev)
 {
         int i;
         u32 u = 0;
@@ -140,7 +140,7 @@ static void __devinit amd7411_cable_detect(struct pci_dev *dev)
  * The initialization callback.  Initialize drive independent registers.
  */
 
-static unsigned int __devinit init_chipset_amd74xx(struct pci_dev *dev)
+static unsigned int init_chipset_amd74xx(struct pci_dev *dev)
 {
         u8 t = 0, offset = amd_offset(dev);
 
@@ -324,6 +324,8 @@ static struct pci_driver driver = {
         .id_table       = amd74xx_pci_tbl,
         .probe          = amd74xx_probe,
         .remove         = ide_pci_remove,
+        .suspend        = ide_pci_suspend,
+        .resume         = ide_pci_resume,
 };
 
 static int __init amd74xx_ide_init(void)
diff --git a/drivers/ide/pci/atiixp.c b/drivers/ide/pci/atiixp.c
index 41f6cb6c163a..e4437034dd08 100644
--- a/drivers/ide/pci/atiixp.c
+++ b/drivers/ide/pci/atiixp.c
@@ -7,7 +7,6 @@
 #include <linux/module.h>
 #include <linux/kernel.h>
 #include <linux/pci.h>
-#include <linux/hdreg.h>
 #include <linux/ide.h>
 #include <linux/init.h>
 
@@ -188,6 +187,8 @@ static struct pci_driver driver = {
         .id_table       = atiixp_pci_tbl,
         .probe          = atiixp_init_one,
         .remove         = ide_pci_remove,
+        .suspend        = ide_pci_suspend,
+        .resume         = ide_pci_resume,
 };
 
 static int __init atiixp_ide_init(void)
diff --git a/drivers/ide/pci/cmd640.c b/drivers/ide/pci/cmd640.c
index e6c62006ca1a..7f39cdb41410 100644
--- a/drivers/ide/pci/cmd640.c
+++ b/drivers/ide/pci/cmd640.c
@@ -103,7 +103,6 @@
 #include <linux/types.h>
 #include <linux/kernel.h>
 #include <linux/delay.h>
-#include <linux/hdreg.h>
 #include <linux/ide.h>
 #include <linux/init.h>
 
@@ -375,6 +374,21 @@ static void cmd640_dump_regs(void)
 }
 #endif
 
+static void __set_prefetch_mode(ide_drive_t *drive, int mode)
+{
+        if (mode) {     /* want prefetch on? */
+#if CMD640_PREFETCH_MASKS
+                drive->no_unmask = 1;
+                drive->unmask = 0;
+#endif
+                drive->no_io_32bit = 0;
+        } else {
+                drive->no_unmask = 0;
+                drive->no_io_32bit = 1;
+                drive->io_32bit = 0;
+        }
+}
+
 #ifndef CONFIG_BLK_DEV_CMD640_ENHANCED
 /*
  * Check whether prefetch is on for a drive,
@@ -384,19 +398,10 @@ static void __init check_prefetch(ide_drive_t *drive, unsigned int index)
 {
         u8 b = get_cmd640_reg(prefetch_regs[index]);
 
-        if (b & prefetch_masks[index]) {        /* is prefetch off? */
-                drive->no_unmask = 0;
-                drive->no_io_32bit = 1;
-                drive->io_32bit = 0;
-        } else {
-#if CMD640_PREFETCH_MASKS
-                drive->no_unmask = 1;
-                drive->unmask = 0;
-#endif
-                drive->no_io_32bit = 0;
-        }
+        __set_prefetch_mode(drive, (b & prefetch_masks[index]) ? 0 : 1);
 }
 #else
+
 /*
  * Sets prefetch mode for a drive.
  */
@@ -408,19 +413,11 @@ static void set_prefetch_mode(ide_drive_t *drive, unsigned int index, int mode)
 
         spin_lock_irqsave(&cmd640_lock, flags);
         b = __get_cmd640_reg(reg);
-        if (mode) {     /* want prefetch on? */
-#if CMD640_PREFETCH_MASKS
-                drive->no_unmask = 1;
-                drive->unmask = 0;
-#endif
-                drive->no_io_32bit = 0;
+        __set_prefetch_mode(drive, mode);
+        if (mode)
                 b &= ~prefetch_masks[index];    /* enable prefetch */
-        } else {
-                drive->no_unmask = 0;
-                drive->no_io_32bit = 1;
-                drive->io_32bit = 0;
+        else
                 b |= prefetch_masks[index];     /* disable prefetch */
-        }
         __put_cmd640_reg(reg, b);
         spin_unlock_irqrestore(&cmd640_lock, flags);
 }
diff --git a/drivers/ide/pci/cmd64x.c b/drivers/ide/pci/cmd64x.c
index e064398e03b4..456dee18b660 100644
--- a/drivers/ide/pci/cmd64x.c
+++ b/drivers/ide/pci/cmd64x.c
@@ -13,7 +13,6 @@
 #include <linux/module.h>
 #include <linux/types.h>
 #include <linux/pci.h>
-#include <linux/hdreg.h>
 #include <linux/ide.h>
 #include <linux/init.h>
 
@@ -332,7 +331,7 @@ static int cmd646_1_dma_end(ide_drive_t *drive)
         return (dma_stat & 7) != 4;
 }
 
-static unsigned int __devinit init_chipset_cmd64x(struct pci_dev *dev)
+static unsigned int init_chipset_cmd64x(struct pci_dev *dev)
 {
         u8 mrdmode = 0;
 
@@ -511,6 +510,8 @@ static struct pci_driver driver = {
         .id_table       = cmd64x_pci_tbl,
         .probe          = cmd64x_init_one,
         .remove         = ide_pci_remove,
+        .suspend        = ide_pci_suspend,
+        .resume         = ide_pci_resume,
 };
 
 static int __init cmd64x_ide_init(void)
diff --git a/drivers/ide/pci/cs5520.c b/drivers/ide/pci/cs5520.c
index 151844fcbb07..d6341f7c4144 100644
--- a/drivers/ide/pci/cs5520.c
+++ b/drivers/ide/pci/cs5520.c
@@ -35,7 +35,6 @@
 #include <linux/module.h>
 #include <linux/types.h>
 #include <linux/kernel.h>
-#include <linux/hdreg.h>
 #include <linux/init.h>
 #include <linux/pci.h>
 #include <linux/ide.h>
@@ -150,6 +149,8 @@ static struct pci_driver driver = {
         .name           = "Cyrix_IDE",
         .id_table       = cs5520_pci_tbl,
         .probe          = cs5520_init_one,
+        .suspend        = ide_pci_suspend,
+        .resume         = ide_pci_resume,
 };
 
 static int __init cs5520_ide_init(void)
diff --git a/drivers/ide/pci/cs5530.c b/drivers/ide/pci/cs5530.c
index f235db8c678b..da42fa7e9f97 100644
--- a/drivers/ide/pci/cs5530.c
+++ b/drivers/ide/pci/cs5530.c
@@ -15,7 +15,6 @@
 #include <linux/module.h>
 #include <linux/types.h>
 #include <linux/kernel.h>
-#include <linux/hdreg.h>
 #include <linux/pci.h>
 #include <linux/init.h>
 #include <linux/ide.h>
@@ -81,17 +80,19 @@ static void cs5530_set_pio_mode(ide_drive_t *drive, const u8 pio)
 static u8 cs5530_udma_filter(ide_drive_t *drive)
 {
         ide_hwif_t *hwif = drive->hwif;
-        ide_drive_t *mate = &hwif->drives[(drive->dn & 1) ^ 1];
-        struct hd_driveid *mateid = mate->id;
+        ide_drive_t *mate = ide_get_pair_dev(drive);
+        u16 *mateid = mate->id;
         u8 mask = hwif->ultra_mask;
 
-        if (mate->present == 0)
+        if (mate == NULL)
                 goto out;
 
-        if ((mateid->capability & 1) && __ide_dma_bad_drive(mate) == 0) {
-                if ((mateid->field_valid & 4) && (mateid->dma_ultra & 7))
+        if (ata_id_has_dma(mateid) && __ide_dma_bad_drive(mate) == 0) {
+                if ((mateid[ATA_ID_FIELD_VALID] & 4) &&
+                    (mateid[ATA_ID_UDMA_MODES] & 7))
                         goto out;
-                if ((mateid->field_valid & 2) && (mateid->dma_mword & 7))
+                if ((mateid[ATA_ID_FIELD_VALID] & 2) &&
+                    (mateid[ATA_ID_MWDMA_MODES] & 7))
                         mask = 0;
         }
 out:
@@ -133,7 +134,7 @@ static void cs5530_set_dma_mode(ide_drive_t *drive, const u8 mode)
  *      Initialize the cs5530 bridge for reliable IDE DMA operation.
  */
 
-static unsigned int __devinit init_chipset_cs5530(struct pci_dev *dev)
+static unsigned int init_chipset_cs5530(struct pci_dev *dev)
 {
         struct pci_dev *master_0 = NULL, *cs5530_0 = NULL;
 
@@ -271,6 +272,8 @@ static struct pci_driver driver = {
         .id_table       = cs5530_pci_tbl,
         .probe          = cs5530_init_one,
         .remove         = ide_pci_remove,
+        .suspend        = ide_pci_suspend,
+        .resume         = ide_pci_resume,
 };
 
 static int __init cs5530_ide_init(void)
diff --git a/drivers/ide/pci/cs5535.c b/drivers/ide/pci/cs5535.c
index dd3dc23af995..1e5bc59ea2fb 100644
--- a/drivers/ide/pci/cs5535.c
+++ b/drivers/ide/pci/cs5535.c
@@ -80,12 +80,12 @@ static void cs5535_set_speed(ide_drive_t *drive, const u8 speed)
 
         /* Set the PIO timings */
         if (speed < XFER_SW_DMA_0) {
-                ide_drive_t *pair = ide_get_paired_drive(drive);
+                ide_drive_t *pair = ide_get_pair_dev(drive);
                 u8 cmd, pioa;
 
                 cmd = pioa = speed - XFER_PIO_0;
 
-                if (pair->present) {
+                if (pair) {
                         u8 piob = ide_get_best_pio_mode(pair, 255, 4);
 
                         if (piob < cmd)
@@ -193,10 +193,12 @@ static const struct pci_device_id cs5535_pci_tbl[] = {
 MODULE_DEVICE_TABLE(pci, cs5535_pci_tbl);
 
 static struct pci_driver driver = {
-        .name       = "CS5535_IDE",
-        .id_table   = cs5535_pci_tbl,
-        .probe      = cs5535_init_one,
-        .remove     = ide_pci_remove,
+        .name           = "CS5535_IDE",
+        .id_table       = cs5535_pci_tbl,
+        .probe          = cs5535_init_one,
+        .remove         = ide_pci_remove,
+        .suspend        = ide_pci_suspend,
+        .resume         = ide_pci_resume,
 };
 
 static int __init cs5535_ide_init(void)
diff --git a/drivers/ide/pci/cy82c693.c b/drivers/ide/pci/cy82c693.c
index e6d8ee88d56d..69820e9224d1 100644
--- a/drivers/ide/pci/cy82c693.c
+++ b/drivers/ide/pci/cy82c693.c
@@ -332,7 +332,7 @@ static void cy82c693_set_pio_mode(ide_drive_t *drive, const u8 pio)
 /*
  * this function is called during init and is used to setup the cy82c693 chip
  */
-static unsigned int __devinit init_chipset_cy82c693(struct pci_dev *dev)
+static unsigned int init_chipset_cy82c693(struct pci_dev *dev)
 {
         if (PCI_FUNC(dev->devfn) != 1)
                 return 0;
@@ -448,6 +448,8 @@ static struct pci_driver driver = {
         .id_table       = cy82c693_pci_tbl,
         .probe          = cy82c693_init_one,
         .remove         = __devexit_p(cy82c693_remove),
+        .suspend        = ide_pci_suspend,
+        .resume         = ide_pci_resume,
 };
 
 static int __init cy82c693_ide_init(void)
diff --git a/drivers/ide/pci/delkin_cb.c b/drivers/ide/pci/delkin_cb.c
index f84bfb4f600f..83b63b365e51 100644
--- a/drivers/ide/pci/delkin_cb.c
+++ b/drivers/ide/pci/delkin_cb.c
@@ -19,7 +19,6 @@
 
 #include <linux/types.h>
 #include <linux/module.h>
-#include <linux/hdreg.h>
 #include <linux/ide.h>
 #include <linux/init.h>
 #include <linux/pci.h>
diff --git a/drivers/ide/pci/generic.c b/drivers/ide/pci/generic.c
index b07d4f4273b3..092b238cb250 100644
--- a/drivers/ide/pci/generic.c
+++ b/drivers/ide/pci/generic.c
@@ -22,7 +22,6 @@
 #include <linux/types.h>
 #include <linux/module.h>
 #include <linux/kernel.h>
-#include <linux/hdreg.h>
 #include <linux/pci.h>
 #include <linux/ide.h>
 #include <linux/init.h>
@@ -172,6 +171,8 @@ static struct pci_driver driver = {
         .id_table       = generic_pci_tbl,
         .probe          = generic_init_one,
         .remove         = ide_pci_remove,
+        .suspend        = ide_pci_suspend,
+        .resume         = ide_pci_resume,
 };
 
 static int __init generic_ide_init(void)
diff --git a/drivers/ide/pci/hpt34x.c b/drivers/ide/pci/hpt34x.c
index 6009b0b9655d..644de29f8fe4 100644
--- a/drivers/ide/pci/hpt34x.c
+++ b/drivers/ide/pci/hpt34x.c
@@ -27,7 +27,6 @@
 #include <linux/types.h>
 #include <linux/kernel.h>
 #include <linux/ioport.h>
-#include <linux/hdreg.h>
 #include <linux/interrupt.h>
 #include <linux/pci.h>
 #include <linux/init.h>
@@ -79,7 +78,7 @@ static void hpt34x_set_pio_mode(ide_drive_t *drive, const u8 pio)
  */
 #define HPT34X_PCI_INIT_REG             0x80
 
-static unsigned int __devinit init_chipset_hpt34x(struct pci_dev *dev)
+static unsigned int init_chipset_hpt34x(struct pci_dev *dev)
 {
         int i = 0;
         unsigned long hpt34xIoBase = pci_resource_start(dev, 4);
@@ -172,6 +171,8 @@ static struct pci_driver driver = {
         .id_table       = hpt34x_pci_tbl,
         .probe          = hpt34x_init_one,
         .remove         = ide_pci_remove,
+        .suspend        = ide_pci_suspend,
+        .resume         = ide_pci_resume,
 };
 
 static int __init hpt34x_ide_init(void)
diff --git a/drivers/ide/pci/hpt366.c b/drivers/ide/pci/hpt366.c
index c37ab1743819..a194022b6a61 100644
--- a/drivers/ide/pci/hpt366.c
+++ b/drivers/ide/pci/hpt366.c
@@ -122,7 +122,6 @@
 #include <linux/kernel.h>
 #include <linux/delay.h>
 #include <linux/blkdev.h>
-#include <linux/hdreg.h>
 #include <linux/interrupt.h>
 #include <linux/pci.h>
 #include <linux/init.h>
@@ -605,10 +604,10 @@ static const struct hpt_info hpt371n __devinitdata = {
 
 static int check_in_drive_list(ide_drive_t *drive, const char **list)
 {
-        struct hd_driveid *id = drive->id;
+        char *m = (char *)&drive->id[ATA_ID_PROD];
 
         while (*list)
-                if (!strcmp(*list++,id->model))
+                if (!strcmp(*list++, m))
                         return 1;
         return 0;
 }
@@ -655,7 +654,7 @@ static u8 hpt3xx_udma_filter(ide_drive_t *drive)
         case HPT372A:
         case HPT372N:
         case HPT374 :
-                if (ide_dev_is_sata(drive->id))
+                if (ata_id_is_sata(drive->id))
                         mask &= ~0x0e;
                 /* Fall thru */
         default:
@@ -675,7 +674,7 @@ static u8 hpt3xx_mdma_filter(ide_drive_t *drive)
         case HPT372A:
         case HPT372N:
         case HPT374 :
-                if (ide_dev_is_sata(drive->id))
+                if (ata_id_is_sata(drive->id))
                         return 0x00;
                 /* Fall thru */
         default:
@@ -731,11 +730,11 @@ static void hpt3xx_set_pio_mode(ide_drive_t *drive, const u8 pio)
 
 static void hpt3xx_quirkproc(ide_drive_t *drive)
 {
-        struct hd_driveid *id   = drive->id;
+        char *m                 = (char *)&drive->id[ATA_ID_PROD];
         const  char **list      = quirk_drives;
 
         while (*list)
-                if (strstr(id->model, *list++)) {
+                if (strstr(m, *list++)) {
                         drive->quirk_list = 1;
                         return;
                 }
@@ -944,7 +943,7 @@ static void hpt3xxn_rw_disk(ide_drive_t *drive, struct request *rq)
  *      Perform a calibration cycle on the DPLL.
  *      Returns 1 if this succeeds
  */
-static int __devinit hpt37x_calibrate_dpll(struct pci_dev *dev, u16 f_low, u16 f_high)
+static int hpt37x_calibrate_dpll(struct pci_dev *dev, u16 f_low, u16 f_high)
 {
         u32 dpll = (f_high << 16) | f_low | 0x100;
         u8  scr2;
@@ -972,7 +971,37 @@ static int __devinit hpt37x_calibrate_dpll(struct pci_dev *dev, u16 f_low, u16 f
         return 1;
 }
 
-static unsigned int __devinit init_chipset_hpt366(struct pci_dev *dev)
+static void hpt3xx_disable_fast_irq(struct pci_dev *dev, u8 mcr_addr)
+{
+        struct ide_host *host   = pci_get_drvdata(dev);
+        struct hpt_info *info   = host->host_priv + (&dev->dev == host->dev[1]);
+        u8  chip_type           = info->chip_type;
+        u8  new_mcr, old_mcr    = 0;
+
+        /*
+         * Disable the "fast interrupt" prediction.  Don't hold off
+         * on interrupts. (== 0x01 despite what the docs say)
+         */
+        pci_read_config_byte(dev, mcr_addr + 1, &old_mcr);
+
+        if (chip_type >= HPT374)
+                new_mcr = old_mcr & ~0x07;
+        else if (chip_type >= HPT370) {
+                new_mcr = old_mcr;
+                new_mcr &= ~0x02;
+#ifdef HPT_DELAY_INTERRUPT
+                new_mcr &= ~0x01;
+#else
+                new_mcr |=  0x01;
+#endif
+        } else                                  /* HPT366 and HPT368  */
+                new_mcr = old_mcr & ~0x80;
+
+        if (new_mcr != old_mcr)
+                pci_write_config_byte(dev, mcr_addr + 1, new_mcr);
+}
+
+static unsigned int init_chipset_hpt366(struct pci_dev *dev)
 {
         unsigned long io_base   = pci_resource_start(dev, 4);
         struct hpt_info *info   = hpt3xx_get_info(&dev->dev);
@@ -1209,9 +1238,11 @@ static unsigned int __devinit init_chipset_hpt366(struct pci_dev *dev)
          * NOTE: This register is only writeable via I/O space.
          */
         if (chip_type == HPT371N && clock == ATA_CLOCK_66MHZ)
-
                 outb(inb(io_base + 0x9c) | 0x04, io_base + 0x9c);
 
+        hpt3xx_disable_fast_irq(dev, 0x50);
+        hpt3xx_disable_fast_irq(dev, 0x54);
+
         return dev->irq;
 }
 
@@ -1265,7 +1296,6 @@ static void __devinit init_hwif_hpt366(ide_hwif_t *hwif)
         struct hpt_info *info   = hpt3xx_get_info(hwif->dev);
         int serialize           = HPT_SERIALIZE_IO;
         u8  chip_type           = info->chip_type;
-        u8  new_mcr, old_mcr    = 0;
 
         /* Cache the channel's MISC. control registers' offset */
         hwif->select_data       = hwif->channel ? 0x54 : 0x50;
@@ -1288,29 +1318,6 @@ static void __devinit init_hwif_hpt366(ide_hwif_t *hwif)
         /* Serialize access to this device if needed */
         if (serialize && hwif->mate)
                 hwif->serialized = hwif->mate->serialized = 1;
-
-        /*
-         * Disable the "fast interrupt" prediction.  Don't hold off
-         * on interrupts. (== 0x01 despite what the docs say)
-         */
-        pci_read_config_byte(dev, hwif->select_data + 1, &old_mcr);
-
-        if (info->chip_type >= HPT374)
-                new_mcr = old_mcr & ~0x07;
-        else if (info->chip_type >= HPT370) {
-                new_mcr = old_mcr;
-                new_mcr &= ~0x02;
-
-#ifdef HPT_DELAY_INTERRUPT
-                new_mcr &= ~0x01;
-#else
-                new_mcr |=  0x01;
-#endif
-        } else                                  /* HPT366 and HPT368  */
-                new_mcr = old_mcr & ~0x80;
-
-        if (new_mcr != old_mcr)
-                pci_write_config_byte(dev, hwif->select_data + 1, new_mcr);
 }
 
 static int __devinit init_dma_hpt366(ide_hwif_t *hwif,
@@ -1620,6 +1627,8 @@ static struct pci_driver driver = {
         .id_table       = hpt366_pci_tbl,
         .probe          = hpt366_init_one,
         .remove         = __devexit_p(hpt366_remove),
+        .suspend        = ide_pci_suspend,
+        .resume         = ide_pci_resume,
 };
 
 static int __init hpt366_ide_init(void)
diff --git a/drivers/ide/pci/it8213.c b/drivers/ide/pci/it8213.c
index 652e47dd7e89..0954ccd08d6f 100644
--- a/drivers/ide/pci/it8213.c
+++ b/drivers/ide/pci/it8213.c
@@ -10,7 +10,6 @@
 #include <linux/types.h>
 #include <linux/module.h>
 #include <linux/pci.h>
-#include <linux/hdreg.h>
 #include <linux/ide.h>
 #include <linux/init.h>
 
@@ -195,6 +194,8 @@ static struct pci_driver driver = {
         .id_table       = it8213_pci_tbl,
         .probe          = it8213_init_one,
         .remove         = ide_pci_remove,
+        .suspend        = ide_pci_suspend,
+        .resume         = ide_pci_resume,
 };
 
 static int __init it8213_ide_init(void)
diff --git a/drivers/ide/pci/it821x.c b/drivers/ide/pci/it821x.c
index 4a1508a707cc..46edd083b348 100644
--- a/drivers/ide/pci/it821x.c
+++ b/drivers/ide/pci/it821x.c
@@ -63,7 +63,6 @@
 #include <linux/types.h>
 #include <linux/module.h>
 #include <linux/pci.h>
-#include <linux/hdreg.h>
 #include <linux/ide.h>
 #include <linux/init.h>
 
@@ -446,8 +445,7 @@ static u8 it821x_cable_detect(ide_hwif_t *hwif)
 static void it821x_quirkproc(ide_drive_t *drive)
 {
         struct it821x_dev *itdev = ide_get_hwifdata(drive->hwif);
-        struct hd_driveid *id = drive->id;
-        u16 *idbits = (u16 *)drive->id;
+        u16 *id = drive->id;
 
         if (!itdev->smart) {
                 /*
@@ -466,36 +464,36 @@ static void it821x_quirkproc(ide_drive_t *drive)
          */
 
                 /* Check for RAID v native */
-                if(strstr(id->model, "Integrated Technology Express")) {
+                if (strstr((char *)&id[ATA_ID_PROD],
+                           "Integrated Technology Express")) {
                         /* In raid mode the ident block is slightly buggy
                            We need to set the bits so that the IDE layer knows
                            LBA28. LBA48 and DMA ar valid */
-                        id->capability |= 3;            /* LBA28, DMA */
-                        id->command_set_2 |= 0x0400;    /* LBA48 valid */
-                        id->cfs_enable_2 |= 0x0400;     /* LBA48 on */
+                        id[ATA_ID_CAPABILITY]    |= (3 << 8); /* LBA28, DMA */
+                        id[ATA_ID_COMMAND_SET_2] |= 0x0400;   /* LBA48 valid */
+                        id[ATA_ID_CFS_ENABLE_2]  |= 0x0400;   /* LBA48 on */
                         /* Reporting logic */
                         printk(KERN_INFO "%s: IT8212 %sRAID %d volume",
-                                drive->name,
-                                idbits[147] ? "Bootable ":"",
-                                idbits[129]);
-                                if(idbits[129] != 1)
-                                        printk("(%dK stripe)", idbits[146]);
-                                printk(".\n");
+                                drive->name, id[147] ? "Bootable " : "",
+                                id[ATA_ID_CSFO]);
+                        if (id[ATA_ID_CSFO] != 1)
+                                printk(KERN_CONT "(%dK stripe)", id[146]);
+                        printk(KERN_CONT ".\n");
                 } else {
                         /* Non RAID volume. Fixups to stop the core code
                            doing unsupported things */
-                        id->field_valid &= 3;
-                        id->queue_depth = 0;
-                        id->command_set_1 = 0;
-                        id->command_set_2 &= 0xC400;
-                        id->cfsse &= 0xC000;
-                        id->cfs_enable_1 = 0;
-                        id->cfs_enable_2 &= 0xC400;
-                        id->csf_default &= 0xC000;
-                        id->word127 = 0;
-                        id->dlf = 0;
-                        id->csfo = 0;
-                        id->cfa_power = 0;
+                        id[ATA_ID_FIELD_VALID]   &= 3;
+                        id[ATA_ID_QUEUE_DEPTH]    = 0;
+                        id[ATA_ID_COMMAND_SET_1]  = 0;
+                        id[ATA_ID_COMMAND_SET_2] &= 0xC400;
+                        id[ATA_ID_CFSSE]         &= 0xC000;
+                        id[ATA_ID_CFS_ENABLE_1]   = 0;
+                        id[ATA_ID_CFS_ENABLE_2]  &= 0xC400;
+                        id[ATA_ID_CSF_DEFAULT]   &= 0xC000;
+                        id[127]                   = 0;
+                        id[ATA_ID_DLF]            = 0;
+                        id[ATA_ID_CSFO]           = 0;
+                        id[ATA_ID_CFA_POWER]      = 0;
                         printk(KERN_INFO "%s: Performing identify fixups.\n",
                                 drive->name);
                 }
@@ -505,8 +503,8 @@ static void it821x_quirkproc(ide_drive_t *drive)
                  * IDE core that DMA is supported (it821x hardware
                  * takes care of DMA mode programming).
                  */
-                if (id->capability & 1) {
-                        id->dma_mword |= 0x0101;
+                if (ata_id_has_dma(id)) {
+                        id[ATA_ID_MWDMA_MODES] |= 0x0101;
                         drive->current_speed = XFER_MW_DMA_0;
                 }
         }
@@ -588,7 +586,7 @@ static void __devinit init_hwif_it821x(ide_hwif_t *hwif)
         hwif->mwdma_mask = ATA_MWDMA2;
 }
 
-static void __devinit it8212_disable_raid(struct pci_dev *dev)
+static void it8212_disable_raid(struct pci_dev *dev)
 {
         /* Reset local CPU, and set BIOS not ready */
         pci_write_config_byte(dev, 0x5E, 0x01);
@@ -605,7 +603,7 @@ static void __devinit it8212_disable_raid(struct pci_dev *dev)
         pci_write_config_byte(dev, PCI_LATENCY_TIMER, 0x20);
 }
 
-static unsigned int __devinit init_chipset_it821x(struct pci_dev *dev)
+static unsigned int init_chipset_it821x(struct pci_dev *dev)
 {
         u8 conf;
         static char *mode[2] = { "pass through", "smart" };
@@ -687,6 +685,8 @@ static struct pci_driver driver = {
         .id_table       = it821x_pci_tbl,
         .probe          = it821x_init_one,
         .remove         = __devexit_p(it821x_remove),
+        .suspend        = ide_pci_suspend,
+        .resume         = ide_pci_resume,
 };
 
 static int __init it821x_ide_init(void)
diff --git a/drivers/ide/pci/jmicron.c b/drivers/ide/pci/jmicron.c
index bb9d09d8f196..acd647110648 100644
--- a/drivers/ide/pci/jmicron.c
+++ b/drivers/ide/pci/jmicron.c
@@ -8,7 +8,6 @@
 #include <linux/types.h>
 #include <linux/module.h>
 #include <linux/pci.h>
-#include <linux/hdreg.h>
 #include <linux/ide.h>
 #include <linux/init.h>
 
@@ -155,6 +154,8 @@ static struct pci_driver driver = {
         .id_table       = jmicron_pci_tbl,
         .probe          = jmicron_init_one,
         .remove         = ide_pci_remove,
+        .suspend        = ide_pci_suspend,
+        .resume         = ide_pci_resume,
 };
 
 static int __init jmicron_ide_init(void)
diff --git a/drivers/ide/pci/ns87415.c b/drivers/ide/pci/ns87415.c
index ffefcd15196c..53bd645736d9 100644
--- a/drivers/ide/pci/ns87415.c
+++ b/drivers/ide/pci/ns87415.c
@@ -11,7 +11,6 @@
 #include <linux/types.h>
 #include <linux/kernel.h>
 #include <linux/interrupt.h>
-#include <linux/hdreg.h>
 #include <linux/pci.h>
 #include <linux/delay.h>
 #include <linux/ide.h>
@@ -274,9 +273,9 @@ static void __devinit init_hwif_ns87415 (ide_hwif_t *hwif)
                 do {
                         udelay(50);
                         stat = hwif->tp_ops->read_status(hwif);
-                        if (stat == 0xff)
-                                break;
-                } while ((stat & BUSY_STAT) && --timeout);
+                        if (stat == 0xff)
+                                break;
+                } while ((stat & ATA_BUSY) && --timeout);
 #endif
         }
 
@@ -340,6 +339,8 @@ static struct pci_driver driver = {
         .id_table       = ns87415_pci_tbl,
         .probe          = ns87415_init_one,
         .remove         = ide_pci_remove,
+        .suspend        = ide_pci_suspend,
+        .resume         = ide_pci_resume,
 };
 
 static int __init ns87415_ide_init(void)
diff --git a/drivers/ide/pci/opti621.c b/drivers/ide/pci/opti621.c
index e28e672ddafc..3de11ddcf863 100644
--- a/drivers/ide/pci/opti621.c
+++ b/drivers/ide/pci/opti621.c
@@ -85,7 +85,6 @@
 #include <linux/module.h>
 #include <linux/kernel.h>
 #include <linux/pci.h>
-#include <linux/hdreg.h>
 #include <linux/ide.h>
 
 #include <asm/io.h>
@@ -137,7 +136,7 @@ static u8 read_reg(int reg)
 static void opti621_set_pio_mode(ide_drive_t *drive, const u8 pio)
 {
         ide_hwif_t *hwif = drive->hwif;
-        ide_drive_t *pair = ide_get_paired_drive(drive);
+        ide_drive_t *pair = ide_get_pair_dev(drive);
         unsigned long flags;
         u8 tim, misc, addr_pio = pio, clk;
 
@@ -153,7 +152,7 @@ static void opti621_set_pio_mode(ide_drive_t *drive, const u8 pio)
 
         drive->drive_data = XFER_PIO_0 + pio;
 
-        if (pair->present) {
+        if (pair) {
                 if (pair->drive_data && pair->drive_data < drive->drive_data)
                         addr_pio = pair->drive_data - XFER_PIO_0;
         }
@@ -226,6 +225,8 @@ static struct pci_driver driver = {
         .id_table       = opti621_pci_tbl,
         .probe          = opti621_init_one,
         .remove         = ide_pci_remove,
+        .suspend        = ide_pci_suspend,
+        .resume         = ide_pci_resume,
 };
 
 static int __init opti621_ide_init(void)
diff --git a/drivers/ide/pci/pdc202xx_new.c b/drivers/ide/pci/pdc202xx_new.c
index d477da6b5858..9fc59962553b 100644
--- a/drivers/ide/pci/pdc202xx_new.c
+++ b/drivers/ide/pci/pdc202xx_new.c
@@ -19,7 +19,6 @@
 #include <linux/types.h>
 #include <linux/kernel.h>
 #include <linux/delay.h>
-#include <linux/hdreg.h>
 #include <linux/pci.h>
 #include <linux/init.h>
 #include <linux/ide.h>
@@ -203,10 +202,10 @@ static u8 pdcnew_cable_detect(ide_hwif_t *hwif)
 
 static void pdcnew_quirkproc(ide_drive_t *drive)
 {
-        const char **list, *model = drive->id->model;
+        const char **list, *m = (char *)&drive->id[ATA_ID_PROD];
 
         for (list = pdc_quirk_drives; *list != NULL; list++)
-                if (strstr(model, *list) != NULL) {
+                if (strstr(m, *list) != NULL) {
                         drive->quirk_list = 2;
                         return;
                 }
@@ -227,7 +226,7 @@ static void pdcnew_reset(ide_drive_t *drive)
  * read_counter - Read the byte count registers
  * @dma_base: for the port address
  */
-static long __devinit read_counter(u32 dma_base)
+static long read_counter(u32 dma_base)
 {
         u32  pri_dma_base = dma_base, sec_dma_base = dma_base + 0x08;
         u8   cnt0, cnt1, cnt2, cnt3;
@@ -267,7 +266,7 @@ static long __devinit read_counter(u32 dma_base)
  * @dma_base: for the port address
  * E.g. 16949000 on 33 MHz PCI bus, i.e. half of the PCI clock.
  */
-static long __devinit detect_pll_input_clock(unsigned long dma_base)
+static long detect_pll_input_clock(unsigned long dma_base)
 {
         struct timeval start_time, end_time;
         long start_count, end_count;
@@ -310,7 +309,7 @@ static long __devinit detect_pll_input_clock(unsigned long dma_base)
 }
 
 #ifdef CONFIG_PPC_PMAC
-static void __devinit apple_kiwi_init(struct pci_dev *pdev)
+static void apple_kiwi_init(struct pci_dev *pdev)
 {
         struct device_node *np = pci_device_to_OF_node(pdev);
         u8 conf;
@@ -326,7 +325,7 @@ static void __devinit apple_kiwi_init(struct pci_dev *pdev)
 }
 #endif /* CONFIG_PPC_PMAC */
 
-static unsigned int __devinit init_chipset_pdcnew(struct pci_dev *dev)
+static unsigned int init_chipset_pdcnew(struct pci_dev *dev)
 {
         const char *name = DRV_NAME;
         unsigned long dma_base = pci_resource_start(dev, 4);
@@ -567,6 +566,8 @@ static struct pci_driver driver = {
         .id_table       = pdc202new_pci_tbl,
         .probe          = pdc202new_init_one,
         .remove         = __devexit_p(pdc202new_remove),
+        .suspend        = ide_pci_suspend,
+        .resume         = ide_pci_resume,
 };
 
 static int __init pdc202new_ide_init(void)
diff --git a/drivers/ide/pci/pdc202xx_old.c b/drivers/ide/pci/pdc202xx_old.c
index de9a27400462..cb6d2a00c514 100644
--- a/drivers/ide/pci/pdc202xx_old.c
+++ b/drivers/ide/pci/pdc202xx_old.c
@@ -13,7 +13,6 @@
 #include <linux/kernel.h>
 #include <linux/delay.h>
 #include <linux/blkdev.h>
-#include <linux/hdreg.h>
 #include <linux/pci.h>
 #include <linux/init.h>
 #include <linux/ide.h>
@@ -86,7 +85,7 @@ static void pdc202xx_set_mode(ide_drive_t *drive, const u8 speed)
                  * Prefetch_EN / IORDY_EN / PA[3:0] bits of register A
                  */
                 AP &= ~0x3f;
-                if (drive->id->capability & 4)
+                if (ata_id_iordy_disable(drive->id))
                         AP |= 0x20;     /* set IORDY_EN bit */
                 if (drive->media == ide_disk)
                         AP |= 0x10;     /* set Prefetch_EN bit */
@@ -154,10 +153,10 @@ static void pdc_old_disable_66MHz_clock(ide_hwif_t *hwif)
 
 static void pdc202xx_quirkproc(ide_drive_t *drive)
 {
-        const char **list, *model = drive->id->model;
+        const char **list, *m = (char *)&drive->id[ATA_ID_PROD];
 
         for (list = pdc_quirk_drives; *list != NULL; list++)
-                if (strstr(model, *list) != NULL) {
+                if (strstr(m, *list) != NULL) {
                         drive->quirk_list = 2;
                         return;
                 }
@@ -265,7 +264,7 @@ static void pdc202xx_dma_timeout(ide_drive_t *drive)
         ide_dma_timeout(drive);
 }
 
-static unsigned int __devinit init_chipset_pdc202xx(struct pci_dev *dev)
+static unsigned int init_chipset_pdc202xx(struct pci_dev *dev)
 {
         unsigned long dmabase = pci_resource_start(dev, 4);
         u8 udma_speed_flag = 0, primary_mode = 0, secondary_mode = 0;
@@ -432,6 +431,8 @@ static struct pci_driver driver = {
         .id_table       = pdc202xx_pci_tbl,
         .probe          = pdc202xx_init_one,
         .remove         = ide_pci_remove,
+        .suspend        = ide_pci_suspend,
+        .resume         = ide_pci_resume,
 };
 
 static int __init pdc202xx_ide_init(void)
diff --git a/drivers/ide/pci/piix.c b/drivers/ide/pci/piix.c
index 30cfc815fe31..a06c03f8e295 100644
--- a/drivers/ide/pci/piix.c
+++ b/drivers/ide/pci/piix.c
@@ -48,7 +48,6 @@
 #include <linux/module.h>
 #include <linux/kernel.h>
 #include <linux/pci.h>
-#include <linux/hdreg.h>
 #include <linux/ide.h>
 #include <linux/init.h>
 
@@ -205,7 +204,7 @@ static void piix_set_dma_mode(ide_drive_t *drive, const u8 speed)
  *      out to be nice and simple.
  */
 
-static unsigned int __devinit init_chipset_ich(struct pci_dev *dev)
+static unsigned int init_chipset_ich(struct pci_dev *dev)
 {
         u32 extra = 0;
 
@@ -450,6 +449,8 @@ static struct pci_driver driver = {
         .id_table       = piix_pci_tbl,
         .probe          = piix_init_one,
         .remove         = ide_pci_remove,
+        .suspend        = ide_pci_suspend,
+        .resume         = ide_pci_resume,
 };
 
 static int __init piix_ide_init(void)
diff --git a/drivers/ide/pci/rz1000.c b/drivers/ide/pci/rz1000.c
index 8d11ee838a2a..c117a068761b 100644
--- a/drivers/ide/pci/rz1000.c
+++ b/drivers/ide/pci/rz1000.c
@@ -16,7 +16,6 @@
 #include <linux/types.h>
 #include <linux/module.h>
 #include <linux/kernel.h>
-#include <linux/hdreg.h>
 #include <linux/pci.h>
 #include <linux/ide.h>
 #include <linux/init.h>
diff --git a/drivers/ide/pci/sc1200.c b/drivers/ide/pci/sc1200.c
index 8efaed16fea3..bdc1fed41260 100644
--- a/drivers/ide/pci/sc1200.c
+++ b/drivers/ide/pci/sc1200.c
@@ -14,7 +14,6 @@
 #include <linux/module.h>
 #include <linux/types.h>
 #include <linux/kernel.h>
-#include <linux/hdreg.h>
 #include <linux/pci.h>
 #include <linux/init.h>
 #include <linux/ide.h>
@@ -104,17 +103,19 @@ static void sc1200_tunepio(ide_drive_t *drive, u8 pio)
 static u8 sc1200_udma_filter(ide_drive_t *drive)
 {
         ide_hwif_t *hwif = drive->hwif;
-        ide_drive_t *mate = &hwif->drives[(drive->dn & 1) ^ 1];
-        struct hd_driveid *mateid = mate->id;
+        ide_drive_t *mate = ide_get_pair_dev(drive);
+        u16 *mateid = mate->id;
         u8 mask = hwif->ultra_mask;
 
-        if (mate->present == 0)
+        if (mate == NULL)
                 goto out;
 
-        if ((mateid->capability & 1) && __ide_dma_bad_drive(mate) == 0) {
-                if ((mateid->field_valid & 4) && (mateid->dma_ultra & 7))
+        if (ata_id_has_dma(mateid) && __ide_dma_bad_drive(mate) == 0) {
+                if ((mateid[ATA_ID_FIELD_VALID] & 4) &&
+                    (mateid[ATA_ID_UDMA_MODES] & 7))
                         goto out;
-                if ((mateid->field_valid & 2) && (mateid->dma_mword & 7))
+                if ((mateid[ATA_ID_FIELD_VALID] & 2) &&
+                    (mateid[ATA_ID_MWDMA_MODES] & 7))
                         mask = 0;
         }
 out:
diff --git a/drivers/ide/pci/scc_pata.c b/drivers/ide/pci/scc_pata.c
index 44cccd1e086a..e92a874b31df 100644
--- a/drivers/ide/pci/scc_pata.c
+++ b/drivers/ide/pci/scc_pata.c
@@ -26,7 +26,6 @@
 #include <linux/module.h>
 #include <linux/pci.h>
 #include <linux/delay.h>
-#include <linux/hdreg.h>
 #include <linux/ide.h>
 #include <linux/init.h>
 
@@ -400,7 +399,7 @@ static int scc_dma_end(ide_drive_t *drive)
         /* errata A308 workaround: Step5 (check data loss) */
         /* We don't check non ide_disk because it is limited to UDMA4 */
         if (!(in_be32((void __iomem *)hwif->io_ports.ctl_addr)
-              & ERR_STAT) &&
+              & ATA_ERR) &&
             drive->media == ide_disk && drive->current_speed > XFER_UDMA_4) {
                 reg = in_be32((void __iomem *)intsts_port);
                 if (!(reg & INTSTS_ACTEINT)) {
@@ -504,7 +503,7 @@ static int scc_dma_test_irq(ide_drive_t *drive)
 
         /* SCC errata A252,A308 workaround: Step4 */
         if ((in_be32((void __iomem *)hwif->io_ports.ctl_addr)
-             & ERR_STAT) &&
+             & ATA_ERR) &&
             (int_stat & INTSTS_INTRQ))
                 return 1;
 
diff --git a/drivers/ide/pci/serverworks.c b/drivers/ide/pci/serverworks.c
index c3bdc6e51a48..3dff2aea317e 100644
--- a/drivers/ide/pci/serverworks.c
+++ b/drivers/ide/pci/serverworks.c
@@ -32,7 +32,6 @@
 #include <linux/module.h>
 #include <linux/kernel.h>
 #include <linux/pci.h>
-#include <linux/hdreg.h>
 #include <linux/ide.h>
 #include <linux/init.h>
 
@@ -57,8 +56,10 @@ static struct pci_dev *isa_dev;
 
 static int check_in_drive_lists (ide_drive_t *drive, const char **list)
 {
+        char *m = (char *)&drive->id[ATA_ID_PROD];
+
         while (*list)
-                if (!strcmp(*list++, drive->id->model))
+                if (!strcmp(*list++, m))
                         return 1;
         return 0;
 }
@@ -174,7 +175,7 @@ static void svwks_set_dma_mode(ide_drive_t *drive, const u8 speed)
         pci_write_config_byte(dev, 0x54, ultra_enable);
 }
 
-static unsigned int __devinit init_chipset_svwks(struct pci_dev *dev)
+static unsigned int init_chipset_svwks(struct pci_dev *dev)
 {
         unsigned int reg;
         u8 btr;
@@ -447,6 +448,8 @@ static struct pci_driver driver = {
         .id_table       = svwks_pci_tbl,
         .probe          = svwks_init_one,
         .remove         = ide_pci_remove,
+        .suspend        = ide_pci_suspend,
+        .resume         = ide_pci_resume,
 };
 
 static int __init svwks_ide_init(void)
diff --git a/drivers/ide/pci/sgiioc4.c b/drivers/ide/pci/sgiioc4.c
index 681306c9d79b..1017fb4f6317 100644
--- a/drivers/ide/pci/sgiioc4.c
+++ b/drivers/ide/pci/sgiioc4.c
@@ -22,7 +22,6 @@
 #include <linux/types.h>
 #include <linux/pci.h>
 #include <linux/delay.h>
-#include <linux/hdreg.h>
 #include <linux/init.h>
 #include <linux/kernel.h>
 #include <linux/ioport.h>
diff --git a/drivers/ide/pci/siimage.c b/drivers/ide/pci/siimage.c
index db2b88a369ab..174a873b4c64 100644
--- a/drivers/ide/pci/siimage.c
+++ b/drivers/ide/pci/siimage.c
@@ -39,7 +39,6 @@
 #include <linux/types.h>
 #include <linux/module.h>
 #include <linux/pci.h>
-#include <linux/hdreg.h>
 #include <linux/ide.h>
 #include <linux/init.h>
 #include <linux/io.h>
@@ -223,7 +222,9 @@ static u8 sil_pata_udma_filter(ide_drive_t *drive)
 
 static u8 sil_sata_udma_filter(ide_drive_t *drive)
 {
-        return strstr(drive->id->model, "Maxtor") ? ATA_UDMA5 : ATA_UDMA6;
+        char *m = (char *)&drive->id[ATA_ID_PROD];
+
+        return strstr(m, "Maxtor") ? ATA_UDMA5 : ATA_UDMA6;
 }
 
 /**
@@ -243,7 +244,7 @@ static void sil_set_pio_mode(ide_drive_t *drive, u8 pio)
 
         ide_hwif_t *hwif        = HWIF(drive);
         struct pci_dev *dev     = to_pci_dev(hwif->dev);
-        ide_drive_t *pair       = ide_get_paired_drive(drive);
+        ide_drive_t *pair       = ide_get_pair_dev(drive);
         u32 speedt              = 0;
         u16 speedp              = 0;
         unsigned long addr      = siimage_seldev(drive, 0x04);
@@ -257,7 +258,7 @@ static void sil_set_pio_mode(ide_drive_t *drive, u8 pio)
         u8 unit                 = drive->select.b.unit;
 
         /* trim *taskfile* PIO to the slowest of the master/slave */
-        if (pair->present) {
+        if (pair) {
                 u8 pair_pio = ide_get_best_pio_mode(pair, 255, 4);
 
                 if (pair_pio < tf_pio)
@@ -462,7 +463,7 @@ static void sil_sata_pre_reset(ide_drive_t *drive)
  *      to 133 MHz clocking if the system isn't already set up to do it.
  */
 
-static unsigned int __devinit init_chipset_siimage(struct pci_dev *dev)
+static unsigned int init_chipset_siimage(struct pci_dev *dev)
 {
         struct ide_host *host = pci_get_drvdata(dev);
         void __iomem *ioaddr = host->host_priv;
@@ -616,8 +617,8 @@ static void __devinit init_mmio_iops_siimage(ide_hwif_t *hwif)
 
 static int is_dev_seagate_sata(ide_drive_t *drive)
 {
-        const char *s   = &drive->id->model[0];
-        unsigned len    = strnlen(s, sizeof(drive->id->model));
+        const char *s   = (const char *)&drive->id[ATA_ID_PROD];
+        unsigned len    = strnlen(s, ATA_ID_PROD_LEN);
 
         if ((len > 4) && (!memcmp(s, "ST", 2)))
                 if ((!memcmp(s + len - 2, "AS", 2)) ||
@@ -833,6 +834,8 @@ static struct pci_driver driver = {
         .id_table       = siimage_pci_tbl,
         .probe          = siimage_init_one,
         .remove         = __devexit_p(siimage_remove),
+        .suspend        = ide_pci_suspend,
+        .resume         = ide_pci_resume,
 };
 
 static int __init siimage_ide_init(void)
diff --git a/drivers/ide/pci/sis5513.c b/drivers/ide/pci/sis5513.c
index 5efe21d6ef97..734dd41f1f67 100644
--- a/drivers/ide/pci/sis5513.c
+++ b/drivers/ide/pci/sis5513.c
@@ -47,7 +47,6 @@
 #include <linux/types.h>
 #include <linux/module.h>
 #include <linux/kernel.h>
-#include <linux/hdreg.h>
 #include <linux/pci.h>
 #include <linux/init.h>
 #include <linux/ide.h>
@@ -448,7 +447,7 @@ static int __devinit sis_find_family(struct pci_dev *dev)
         return chipset_family;
 }
 
-static unsigned int __devinit init_chipset_sis5513(struct pci_dev *dev)
+static unsigned int init_chipset_sis5513(struct pci_dev *dev)
 {
         /* Make general config ops here
            1/ tell IDE channels to operate in Compatibility mode only
@@ -611,6 +610,8 @@ static struct pci_driver driver = {
         .id_table       = sis5513_pci_tbl,
         .probe          = sis5513_init_one,
         .remove         = __devexit_p(sis5513_remove),
+        .suspend        = ide_pci_suspend,
+        .resume         = ide_pci_resume,
 };
 
 static int __init sis5513_ide_init(void)
diff --git a/drivers/ide/pci/sl82c105.c b/drivers/ide/pci/sl82c105.c
index 73905bcc08fb..37a6b7bdc040 100644
--- a/drivers/ide/pci/sl82c105.c
+++ b/drivers/ide/pci/sl82c105.c
@@ -17,7 +17,6 @@
 #include <linux/types.h>
 #include <linux/module.h>
 #include <linux/kernel.h>
-#include <linux/hdreg.h>
 #include <linux/pci.h>
 #include <linux/ide.h>
 
@@ -62,7 +61,7 @@ static unsigned int get_pio_timings(ide_drive_t *drive, u8 pio)
         if (cmd_off == 0)
                 cmd_off = 1;
 
-        if (pio > 2 || ide_dev_has_iordy(drive->id))
+        if (pio > 2 || ata_id_has_iordy(drive->id))
                 iordy = 0x40;
 
         return (cmd_on - 1) << 8 | (cmd_off - 1) | iordy;
@@ -272,7 +271,7 @@ static u8 sl82c105_bridge_revision(struct pci_dev *dev)
  * channel 0 here at least, but channel 1 has to be enabled by
  * firmware or arch code. We still set both to 16 bits mode.
  */
-static unsigned int __devinit init_chipset_sl82c105(struct pci_dev *dev)
+static unsigned int init_chipset_sl82c105(struct pci_dev *dev)
 {
         u32 val;
 
@@ -351,6 +350,8 @@ static struct pci_driver driver = {
         .id_table       = sl82c105_pci_tbl,
         .probe          = sl82c105_init_one,
         .remove         = ide_pci_remove,
+        .suspend        = ide_pci_suspend,
+        .resume         = ide_pci_resume,
 };
 
 static int __init sl82c105_ide_init(void)
diff --git a/drivers/ide/pci/slc90e66.c b/drivers/ide/pci/slc90e66.c
index 866d6c65e3a0..a9551a13ac57 100644
--- a/drivers/ide/pci/slc90e66.c
+++ b/drivers/ide/pci/slc90e66.c
@@ -11,7 +11,6 @@
 #include <linux/module.h>
 #include <linux/kernel.h>
 #include <linux/pci.h>
-#include <linux/hdreg.h>
 #include <linux/ide.h>
 #include <linux/init.h>
 
@@ -160,6 +159,8 @@ static struct pci_driver driver = {
         .id_table       = slc90e66_pci_tbl,
         .probe          = slc90e66_init_one,
         .remove         = ide_pci_remove,
+        .suspend        = ide_pci_suspend,
+        .resume         = ide_pci_resume,
 };
 
 static int __init slc90e66_ide_init(void)
diff --git a/drivers/ide/pci/triflex.c b/drivers/ide/pci/triflex.c
index b77ec35151b3..be8715dcee05 100644
--- a/drivers/ide/pci/triflex.c
+++ b/drivers/ide/pci/triflex.c
@@ -28,7 +28,6 @@
 #include <linux/types.h>
 #include <linux/module.h>
 #include <linux/kernel.h>
-#include <linux/hdreg.h>
 #include <linux/pci.h>
 #include <linux/ide.h>
 #include <linux/init.h>
@@ -120,6 +119,8 @@ static struct pci_driver driver = {
         .id_table       = triflex_pci_tbl,
         .probe          = triflex_init_one,
         .remove         = ide_pci_remove,
+        .suspend        = ide_pci_suspend,
+        .resume         = ide_pci_resume,
 };
 
 static int __init triflex_ide_init(void)
diff --git a/drivers/ide/pci/trm290.c b/drivers/ide/pci/trm290.c
index fd28b49977fd..4dfbc6a68b5b 100644
--- a/drivers/ide/pci/trm290.c
+++ b/drivers/ide/pci/trm290.c
@@ -135,7 +135,6 @@
 #include <linux/interrupt.h>
 #include <linux/blkdev.h>
 #include <linux/init.h>
-#include <linux/hdreg.h>
 #include <linux/pci.h>
 #include <linux/ide.h>
 
diff --git a/drivers/ide/pci/via82cxxx.c b/drivers/ide/pci/via82cxxx.c
index 94fb9ab3223f..acacdaab69c2 100644
--- a/drivers/ide/pci/via82cxxx.c
+++ b/drivers/ide/pci/via82cxxx.c
@@ -154,7 +154,7 @@ static void via_set_speed(ide_hwif_t *hwif, u8 dn, struct ide_timing *timing)
 static void via_set_drive(ide_drive_t *drive, const u8 speed)
 {
         ide_hwif_t *hwif = drive->hwif;
-        ide_drive_t *peer = hwif->drives + (~drive->dn & 1);
+        ide_drive_t *peer = ide_get_pair_dev(drive);
         struct pci_dev *dev = to_pci_dev(hwif->dev);
         struct ide_host *host = pci_get_drvdata(dev);
         struct via82cxxx_dev *vdev = host->host_priv;
@@ -173,7 +173,7 @@ static void via_set_drive(ide_drive_t *drive, const u8 speed)
 
         ide_timing_compute(drive, speed, &t, T, UT);
 
-        if (peer->present) {
+        if (peer) {
                 ide_timing_compute(peer, peer->current_speed, &p, T, UT);
                 ide_timing_merge(&p, &t, &t, IDE_TIMING_8BIT);
         }
@@ -215,7 +215,7 @@ static struct via_isa_bridge *via_config_find(struct pci_dev **isa)
 /*
  * Check and handle 80-wire cable presence
  */
-static void __devinit via_cable_detect(struct via82cxxx_dev *vdev, u32 u)
+static void via_cable_detect(struct via82cxxx_dev *vdev, u32 u)
 {
         int i;
 
@@ -267,7 +267,7 @@ static void __devinit via_cable_detect(struct via82cxxx_dev *vdev, u32 u)
  *      and initialize its drive independent registers.
  */
 
-static unsigned int __devinit init_chipset_via82cxxx(struct pci_dev *dev)
+static unsigned int init_chipset_via82cxxx(struct pci_dev *dev)
 {
         struct ide_host *host = pci_get_drvdata(dev);
         struct via82cxxx_dev *vdev = host->host_priv;
@@ -492,6 +492,8 @@ static struct pci_driver driver = {
         .id_table       = via_pci_tbl,
         .probe          = via_init_one,
         .remove         = __devexit_p(via_remove),
+        .suspend        = ide_pci_suspend,
+        .resume         = ide_pci_resume,
 };
 
 static int __init via_ide_init(void)
diff --git a/drivers/ide/ppc/pmac.c b/drivers/ide/ppc/pmac.c
index fa2be26272d5..c3432da78d52 100644
--- a/drivers/ide/ppc/pmac.c
+++ b/drivers/ide/ppc/pmac.c
@@ -669,9 +669,9 @@ static void
 set_timings_mdma(ide_drive_t *drive, int intf_type, u32 *timings, u32 *timings2,
                         u8 speed)
 {
+        u16 *id = drive->id;
         int cycleTime, accessTime = 0, recTime = 0;
         unsigned accessTicks, recTicks;
-        struct hd_driveid *id = drive->id;
         struct mdma_timings_t* tm = NULL;
         int i;
 
@@ -686,8 +686,8 @@ set_timings_mdma(ide_drive_t *drive, int intf_type, u32 *timings, u32 *timings2,
         }
 
         /* Check if drive provides explicit DMA cycle time */
-        if ((id->field_valid & 2) && id->eide_dma_time)
-                cycleTime = max_t(int, id->eide_dma_time, cycleTime);
+        if ((id[ATA_ID_FIELD_VALID] & 2) && id[ATA_ID_EIDE_DMA_TIME])
+                cycleTime = max_t(int, id[ATA_ID_EIDE_DMA_TIME], cycleTime);
 
         /* OHare limits according to some old Apple sources */  
         if ((intf_type == controller_ohare) && (cycleTime < 150))
diff --git a/drivers/ide/setup-pci.c b/drivers/ide/setup-pci.c
index a8e9e8a69a52..9f1f9163a136 100644
--- a/drivers/ide/setup-pci.c
+++ b/drivers/ide/setup-pci.c
@@ -659,3 +659,36 @@ void ide_pci_remove(struct pci_dev *dev)
         pci_disable_device(dev);
 }
 EXPORT_SYMBOL_GPL(ide_pci_remove);
+
+#ifdef CONFIG_PM
+int ide_pci_suspend(struct pci_dev *dev, pm_message_t state)
+{
+        pci_save_state(dev);
+        pci_disable_device(dev);
+        pci_set_power_state(dev, pci_choose_state(dev, state));
+
+        return 0;
+}
+EXPORT_SYMBOL_GPL(ide_pci_suspend);
+
+int ide_pci_resume(struct pci_dev *dev)
+{
+        struct ide_host *host = pci_get_drvdata(dev);
+        int rc;
+
+        pci_set_power_state(dev, PCI_D0);
+
+        rc = pci_enable_device(dev);
+        if (rc)
+                return rc;
+
+        pci_restore_state(dev);
+        pci_set_master(dev);
+
+        if (host->init_chipset)
+                host->init_chipset(dev);
+
+        return 0;
+}
+EXPORT_SYMBOL_GPL(ide_pci_resume);
+#endif
diff --git a/drivers/scsi/ide-scsi.c b/drivers/scsi/ide-scsi.c
index 81c16cba5417..90212ac33be3 100644
--- a/drivers/scsi/ide-scsi.c
+++ b/drivers/scsi/ide-scsi.c
@@ -40,7 +40,6 @@
 #include <linux/ioport.h>
 #include <linux/blkdev.h>
 #include <linux/errno.h>
-#include <linux/hdreg.h>
 #include <linux/slab.h>
 #include <linux/ide.h>
 #include <linux/scatterlist.h>
@@ -131,50 +130,6 @@ static inline idescsi_scsi_t *drive_to_idescsi(ide_drive_t *ide_drive)
         return scsihost_to_idescsi(ide_drive->driver_data);
 }
 
-/*
- *      PIO data transfer routine using the scatter gather table.
- */
-static void ide_scsi_io_buffers(ide_drive_t *drive, struct ide_atapi_pc *pc,
-                                unsigned int bcount, int write)
-{
-        ide_hwif_t *hwif = drive->hwif;
-        const struct ide_tp_ops *tp_ops = hwif->tp_ops;
-        xfer_func_t *xf = write ? tp_ops->output_data : tp_ops->input_data;
-        char *buf;
-        int count;
-
-        while (bcount) {
-                count = min(pc->sg->length - pc->b_count, bcount);
-                if (PageHighMem(sg_page(pc->sg))) {
-                        unsigned long flags;
-
-                        local_irq_save(flags);
-                        buf = kmap_atomic(sg_page(pc->sg), KM_IRQ0) +
-                                          pc->sg->offset;
-                        xf(drive, NULL, buf + pc->b_count, count);
-                        kunmap_atomic(buf - pc->sg->offset, KM_IRQ0);
-                        local_irq_restore(flags);
-                } else {
-                        buf = sg_virt(pc->sg);
-                        xf(drive, NULL, buf + pc->b_count, count);
-                }
-                bcount -= count; pc->b_count += count;
-                if (pc->b_count == pc->sg->length) {
-                        if (!--pc->sg_cnt)
-                                break;
-                        pc->sg = sg_next(pc->sg);
-                        pc->b_count = 0;
-                }
-        }
-
-        if (bcount) {
-                printk(KERN_ERR "%s: scatter gather table too small, %s\n",
-                                drive->name, write ? "padding with zeros"
-                                                   : "discarding data");
-                ide_pad_transfer(drive, write, bcount);
-        }
-}
-
 static void ide_scsi_hex_dump(u8 *data, int len)
 {
         print_hex_dump(KERN_CONT, "", DUMP_PREFIX_NONE, 16, 1, data, len, 0);
@@ -244,9 +199,9 @@ idescsi_atapi_error(ide_drive_t *drive, struct request *rq, u8 stat, u8 err)
 {
         ide_hwif_t *hwif = drive->hwif;
 
-        if (hwif->tp_ops->read_status(hwif) & (BUSY_STAT | DRQ_STAT))
+        if (hwif->tp_ops->read_status(hwif) & (ATA_BUSY | ATA_DRQ))
                 /* force an abort */
-                hwif->tp_ops->exec_command(hwif, WIN_IDLEIMMEDIATE);
+                hwif->tp_ops->exec_command(hwif, ATA_CMD_IDLEIMMEDIATE);
 
         rq->errors++;
 
@@ -344,7 +299,7 @@ static ide_startstop_t idescsi_pc_intr (ide_drive_t *drive)
 
         return ide_pc_intr(drive, pc, idescsi_pc_intr, get_timeout(pc),
                            idescsi_expiry, NULL, NULL, NULL,
-                           ide_scsi_io_buffers);
+                           ide_io_buffers);
 }
 
 static ide_startstop_t idescsi_transfer_pc(ide_drive_t *drive)
@@ -430,21 +385,41 @@ static ide_startstop_t idescsi_do_request (ide_drive_t *drive, struct request *r
 }
 
 #ifdef CONFIG_IDE_PROC_FS
-static void idescsi_add_settings(ide_drive_t *drive)
-{
-        idescsi_scsi_t *scsi = drive_to_idescsi(drive);
-
-/*
- *                      drive   setting name    read/write      data type       min     max     mul_factor      div_factor      data pointer            set function
- */
-        ide_add_setting(drive,  "bios_cyl",     SETTING_RW,     TYPE_INT,       0,      1023,   1,              1,              &drive->bios_cyl,       NULL);
-        ide_add_setting(drive,  "bios_head",    SETTING_RW,     TYPE_BYTE,      0,      255,    1,              1,              &drive->bios_head,      NULL);
-        ide_add_setting(drive,  "bios_sect",    SETTING_RW,     TYPE_BYTE,      0,      63,     1,              1,              &drive->bios_sect,      NULL);
-        ide_add_setting(drive,  "transform",    SETTING_RW,     TYPE_INT,       0,      3,      1,              1,              &scsi->transform,       NULL);
-        ide_add_setting(drive,  "log",          SETTING_RW,     TYPE_INT,       0,      1,      1,              1,              &scsi->log,             NULL);
-}
-#else
-static inline void idescsi_add_settings(ide_drive_t *drive) { ; }
+#define ide_scsi_devset_get(name, field) \
+static int get_##name(ide_drive_t *drive) \
+{ \
+        idescsi_scsi_t *scsi = drive_to_idescsi(drive); \
+        return scsi->field; \
+}
+
+#define ide_scsi_devset_set(name, field) \
+static int set_##name(ide_drive_t *drive, int arg) \
+{ \
+        idescsi_scsi_t *scsi = drive_to_idescsi(drive); \
+        scsi->field = arg; \
+        return 0; \
+}
+
+#define ide_scsi_devset_rw_field(_name, _field) \
+ide_scsi_devset_get(_name, _field); \
+ide_scsi_devset_set(_name, _field); \
+IDE_DEVSET(_name, DS_SYNC, get_##_name, set_##_name);
+
+ide_devset_rw_field(bios_cyl, bios_cyl);
+ide_devset_rw_field(bios_head, bios_head);
+ide_devset_rw_field(bios_sect, bios_sect);
+
+ide_scsi_devset_rw_field(transform, transform);
+ide_scsi_devset_rw_field(log, log);
+
+static const struct ide_proc_devset idescsi_settings[] = {
+        IDE_PROC_DEVSET(bios_cyl,  0, 1023),
+        IDE_PROC_DEVSET(bios_head, 0,  255),
+        IDE_PROC_DEVSET(bios_sect, 0,   63),
+        IDE_PROC_DEVSET(log,       0,    1),
+        IDE_PROC_DEVSET(transform, 0,    3),
+        { 0 },
+};
 #endif
 
 /*
@@ -452,7 +427,7 @@ static inline void idescsi_add_settings(ide_drive_t *drive) { ; }
  */
 static void idescsi_setup (ide_drive_t *drive, idescsi_scsi_t *scsi)
 {
-        if (drive->id && (drive->id->config & 0x0060) == 0x20)
+        if ((drive->id[ATA_ID_CONFIG] & 0x0060) == 0x20)
                 set_bit(IDE_AFLAG_DRQ_INTERRUPT, &drive->atapi_flags);
         clear_bit(IDESCSI_SG_TRANSFORM, &scsi->transform);
 #if IDESCSI_DEBUG_LOG
@@ -461,7 +436,7 @@ static void idescsi_setup (ide_drive_t *drive, idescsi_scsi_t *scsi)
 
         drive->pc_callback = ide_scsi_callback;
 
-        idescsi_add_settings(drive);
+        ide_proc_register_driver(drive, scsi->driver);
 }
 
 static void ide_scsi_remove(ide_drive_t *drive)
@@ -503,12 +478,12 @@ static ide_driver_t idescsi_driver = {
         .remove                 = ide_scsi_remove,
         .version                = IDESCSI_VERSION,
         .media                  = ide_scsi,
-        .supports_dsc_overlap   = 0,
         .do_request             = idescsi_do_request,
         .end_request            = idescsi_end_request,
         .error                  = idescsi_atapi_error,
 #ifdef CONFIG_IDE_PROC_FS
         .proc                   = idescsi_proc,
+        .settings               = idescsi_settings,
 #endif
 };
 
@@ -811,6 +786,7 @@ static int ide_scsi_probe(ide_drive_t *drive)
         struct gendisk *g;
         static int warned;
         int err = -ENOMEM;
+        u16 last_lun;
 
         if (!warned && drive->media == ide_cdrom) {
                 printk(KERN_WARNING "ide-scsi is deprecated for cd burning! Use ide-cd and give dev=/dev/hdX as device\n");
@@ -821,7 +797,6 @@ static int ide_scsi_probe(ide_drive_t *drive)
                 return -ENODEV;
 
         if (!strstr("ide-scsi", drive->driver_req) ||
-            !drive->present ||
             drive->media == ide_disk ||
             !(host = scsi_host_alloc(&idescsi_template,sizeof(idescsi_scsi_t))))
                 return -ENODEV;
@@ -836,12 +811,12 @@ static int ide_scsi_probe(ide_drive_t *drive)
 
         host->max_id = 1;
 
-        if (drive->id->last_lun)
-                debug_log("%s: id->last_lun=%u\n", drive->name,
-                          drive->id->last_lun);
+        last_lun = drive->id[ATA_ID_LAST_LUN];
+        if (last_lun)
+                debug_log("%s: last_lun=%u\n", drive->name, last_lun);
 
-        if ((drive->id->last_lun & 0x7) != 7)
-                host->max_lun = (drive->id->last_lun & 0x7) + 1;
+        if ((last_lun & 7) != 7)
+                host->max_lun = (last_lun & 7) + 1;
         else
                 host->max_lun = 1;
 
@@ -852,7 +827,6 @@ static int ide_scsi_probe(ide_drive_t *drive)
         idescsi->host = host;
         idescsi->disk = g;
         g->private_data = &idescsi->driver;
-        ide_proc_register_driver(drive, &idescsi_driver);
         err = 0;
         idescsi_setup(drive, idescsi);
         g->fops = &idescsi_ops;
diff --git a/include/linux/ata.h b/include/linux/ata.h
index be00973d1a8c..a53318b8cbd0 100644
--- a/include/linux/ata.h
+++ b/include/linux/ata.h
@@ -30,6 +30,7 @@
 #define __LINUX_ATA_H__
 
 #include <linux/types.h>
+#include <asm/byteorder.h>
 
 /* defines only for the constants which don't work well as enums */
 #define ATA_DMA_BOUNDARY        0xffffUL
@@ -558,6 +559,15 @@ static inline int ata_id_has_flush(const u16 *id)
         return id[ATA_ID_COMMAND_SET_2] & (1 << 12);
 }
 
+static inline int ata_id_flush_enabled(const u16 *id)
+{
+        if (ata_id_has_flush(id) == 0)
+                return 0;
+        if ((id[ATA_ID_CSF_DEFAULT] & 0xC000) != 0x4000)
+                return 0;
+        return id[ATA_ID_CFS_ENABLE_2] & (1 << 12);
+}
+
 static inline int ata_id_has_flush_ext(const u16 *id)
 {
         if ((id[ATA_ID_COMMAND_SET_2] & 0xC000) != 0x4000)
@@ -565,6 +575,19 @@ static inline int ata_id_has_flush_ext(const u16 *id)
         return id[ATA_ID_COMMAND_SET_2] & (1 << 13);
 }
 
+static inline int ata_id_flush_ext_enabled(const u16 *id)
+{
+        if (ata_id_has_flush_ext(id) == 0)
+                return 0;
+        if ((id[ATA_ID_CSF_DEFAULT] & 0xC000) != 0x4000)
+                return 0;
+        /*
+         * some Maxtor disks have bit 13 defined incorrectly
+         * so check bit 10 too
+         */
+        return (id[ATA_ID_CFS_ENABLE_2] & 0x2400) == 0x2400;
+}
+
 static inline int ata_id_has_lba48(const u16 *id)
 {
         if ((id[ATA_ID_COMMAND_SET_2] & 0xC000) != 0x4000)
@@ -574,6 +597,15 @@ static inline int ata_id_has_lba48(const u16 *id)
         return id[ATA_ID_COMMAND_SET_2] & (1 << 10);
 }
 
+static inline int ata_id_lba48_enabled(const u16 *id)
+{
+        if (ata_id_has_lba48(id) == 0)
+                return 0;
+        if ((id[ATA_ID_CSF_DEFAULT] & 0xC000) != 0x4000)
+                return 0;
+        return id[ATA_ID_CFS_ENABLE_2] & (1 << 10);
+}
+
 static inline int ata_id_hpa_enabled(const u16 *id)
 {
         /* Yes children, word 83 valid bits cover word 82 data */
@@ -645,7 +677,15 @@ static inline unsigned int ata_id_major_version(const u16 *id)
 
 static inline int ata_id_is_sata(const u16 *id)
 {
-        return ata_id_major_version(id) >= 5 && id[ATA_ID_HW_CONFIG] == 0;
+        /*
+         * See if word 93 is 0 AND drive is at least ATA-5 compatible
+         * verifying that word 80 by casting it to a signed type --
+         * this trick allows us to filter out the reserved values of
+         * 0x0000 and 0xffff along with the earlier ATA revisions...
+         */
+        if (id[ATA_ID_HW_CONFIG] == 0 && (short)id[ATA_ID_MAJOR_VER] >= 0x0020)
+                return 1;
+        return 0;
 }
 
 static inline int ata_id_has_tpm(const u16 *id)
@@ -742,6 +782,76 @@ static inline int atapi_id_dmadir(const u16 *dev_id)
         return ata_id_major_version(dev_id) >= 7 && (dev_id[62] & 0x8000);
 }
 
+/*
+ * ata_id_is_lba_capacity_ok() performs a sanity check on
+ * the claimed LBA capacity value for the device.
+ *
+ * Returns 1 if LBA capacity looks sensible, 0 otherwise.
+ *
+ * It is called only once for each device.
+ */
+static inline int ata_id_is_lba_capacity_ok(u16 *id)
+{
+        unsigned long lba_sects, chs_sects, head, tail;
+
+        /* No non-LBA info .. so valid! */
+        if (id[ATA_ID_CYLS] == 0)
+                return 1;
+
+        lba_sects = ata_id_u32(id, ATA_ID_LBA_CAPACITY);
+
+        /*
+         * The ATA spec tells large drives to return
+         * C/H/S = 16383/16/63 independent of their size.
+         * Some drives can be jumpered to use 15 heads instead of 16.
+         * Some drives can be jumpered to use 4092 cyls instead of 16383.
+         */
+        if ((id[ATA_ID_CYLS] == 16383 ||
+             (id[ATA_ID_CYLS] == 4092 && id[ATA_ID_CUR_CYLS] == 16383)) &&
+            id[ATA_ID_SECTORS] == 63 &&
+            (id[ATA_ID_HEADS] == 15 || id[ATA_ID_HEADS] == 16) &&
+            (lba_sects >= 16383 * 63 * id[ATA_ID_HEADS]))
+                return 1;
+
+        chs_sects = id[ATA_ID_CYLS] * id[ATA_ID_HEADS] * id[ATA_ID_SECTORS];
+
+        /* perform a rough sanity check on lba_sects: within 10% is OK */
+        if (lba_sects - chs_sects < chs_sects/10)
+                return 1;
+
+        /* some drives have the word order reversed */
+        head = (lba_sects >> 16) & 0xffff;
+        tail = lba_sects & 0xffff;
+        lba_sects = head | (tail << 16);
+
+        if (lba_sects - chs_sects < chs_sects/10) {
+                *(__le32 *)&id[ATA_ID_LBA_CAPACITY] = __cpu_to_le32(lba_sects);
+                return 1;       /* LBA capacity is (now) good */
+        }
+
+        return 0;       /* LBA capacity value may be bad */
+}
+
+static inline void ata_id_to_hd_driveid(u16 *id)
+{
+#ifdef __BIG_ENDIAN
+        /* accessed in struct hd_driveid as 8-bit values */
+        id[ATA_ID_MAX_MULTSECT]  = __cpu_to_le16(id[ATA_ID_MAX_MULTSECT]);
+        id[ATA_ID_CAPABILITY]    = __cpu_to_le16(id[ATA_ID_CAPABILITY]);
+        id[ATA_ID_OLD_PIO_MODES] = __cpu_to_le16(id[ATA_ID_OLD_PIO_MODES]);
+        id[ATA_ID_OLD_DMA_MODES] = __cpu_to_le16(id[ATA_ID_OLD_DMA_MODES]);
+        id[ATA_ID_MULTSECT]      = __cpu_to_le16(id[ATA_ID_MULTSECT]);
+
+        /* as 32-bit values */
+        *(u32 *)&id[ATA_ID_LBA_CAPACITY] = ata_id_u32(id, ATA_ID_LBA_CAPACITY);
+        *(u32 *)&id[ATA_ID_SPG]          = ata_id_u32(id, ATA_ID_SPG);
+
+        /* as 64-bit value */
+        *(u64 *)&id[ATA_ID_LBA_CAPACITY_2] =
+                ata_id_u64(id, ATA_ID_LBA_CAPACITY_2);
+#endif
+}
+
 static inline int is_multi_taskfile(struct ata_taskfile *tf)
 {
         return (tf->command == ATA_CMD_READ_MULTI) ||
diff --git a/include/linux/ide.h b/include/linux/ide.h
index 6514db8fd2e4..a9d82d6e6bdd 100644
--- a/include/linux/ide.h
+++ b/include/linux/ide.h
@@ -8,7 +8,7 @@
 
 #include <linux/init.h>
 #include <linux/ioport.h>
-#include <linux/hdreg.h>
+#include <linux/ata.h>
 #include <linux/blkdev.h>
 #include <linux/proc_fs.h>
 #include <linux/interrupt.h>
@@ -17,6 +17,7 @@
 #include <linux/device.h>
 #include <linux/pci.h>
 #include <linux/completion.h>
+#include <linux/pm.h>
 #ifdef CONFIG_BLK_DEV_IDEACPI
 #include <acpi/acpi.h>
 #endif
@@ -87,12 +88,13 @@ struct ide_io_ports {
 };
 
 #define OK_STAT(stat,good,bad)  (((stat)&((good)|(bad)))==(good))
-#define BAD_R_STAT              (BUSY_STAT   | ERR_STAT)
-#define BAD_W_STAT              (BAD_R_STAT  | WRERR_STAT)
-#define BAD_STAT                (BAD_R_STAT  | DRQ_STAT)
-#define DRIVE_READY             (READY_STAT  | SEEK_STAT)
 
-#define BAD_CRC                 (ABRT_ERR    | ICRC_ERR)
+#define BAD_R_STAT      (ATA_BUSY | ATA_ERR)
+#define BAD_W_STAT      (BAD_R_STAT | ATA_DF)
+#define BAD_STAT        (BAD_R_STAT | ATA_DRQ)
+#define DRIVE_READY     (ATA_DRDY | ATA_DSC)
+
+#define BAD_CRC         (ATA_ABORTED | ATA_ICRC)
 
 #define SATA_NR_PORTS           (3)     /* 16 possible ?? */
 
@@ -125,24 +127,41 @@ struct ide_io_ports {
 #define PARTN_BITS      6       /* number of minor dev bits for partitions */
 #define MAX_DRIVES      2       /* per interface; 2 assumed by lots of code */
 #define SECTOR_SIZE     512
-#define SECTOR_WORDS    (SECTOR_SIZE / 4)       /* number of 32bit words per sector */
+
 #define IDE_LARGE_SEEK(b1,b2,t) (((b1) > (b2) + (t)) || ((b2) > (b1) + (t)))
 
 /*
  * Timeouts for various operations:
  */
-#define WAIT_DRQ        (HZ/10)         /* 100msec - spec allows up to 20ms */
-#define WAIT_READY      (5*HZ)          /* 5sec - some laptops are very slow */
-#define WAIT_PIDENTIFY  (10*HZ) /* 10sec  - should be less than 3ms (?), if all ATAPI CD is closed at boot */
-#define WAIT_WORSTCASE  (30*HZ) /* 30sec  - worst case when spinning up */
-#define WAIT_CMD        (10*HZ) /* 10sec  - maximum wait for an IRQ to happen */
-#define WAIT_MIN_SLEEP  (2*HZ/100)      /* 20msec - minimum sleep time */
+enum {
+        /* spec allows up to 20ms */
+        WAIT_DRQ        = HZ / 10,      /* 100ms */
+        /* some laptops are very slow */
+        WAIT_READY      = 5 * HZ,       /* 5s */
+        /* should be less than 3ms (?), if all ATAPI CD is closed at boot */
+        WAIT_PIDENTIFY  = 10 * HZ,      /* 10s */
+        /* worst case when spinning up */
+        WAIT_WORSTCASE  = 30 * HZ,      /* 30s */
+        /* maximum wait for an IRQ to happen */
+        WAIT_CMD        = 10 * HZ,      /* 10s */
+        /* Some drives require a longer IRQ timeout. */
+        WAIT_FLOPPY_CMD = 50 * HZ,      /* 50s */
+        /*
+         * Some drives (for example, Seagate STT3401A Travan) require a very
+         * long timeout, because they don't return an interrupt or clear their
+         * BSY bit until after the command completes (even retension commands).
+         */
+        WAIT_TAPE_CMD   = 900 * HZ,     /* 900s */
+        /* minimum sleep time */
+        WAIT_MIN_SLEEP  = HZ / 50,      /* 20ms */
+};
 
 /*
  * Op codes for special requests to be handled by ide_special_rq().
  * Values should be in the range of 0x20 to 0x3f.
  */
 #define REQ_DRIVE_RESET         0x20
+#define REQ_DEVSET_EXEC         0x21
 
 /*
  * Check for an interrupt and acknowledge the interrupt status
@@ -303,8 +322,8 @@ typedef enum {
         ide_started,    /* a drive operation was started, handler was set */
 } ide_startstop_t;
 
+struct ide_devset;
 struct ide_driver_s;
-struct ide_settings_s;
 
 #ifdef CONFIG_BLK_DEV_IDEACPI
 struct ide_acpi_drive_link;
@@ -315,10 +334,10 @@ struct ide_acpi_hwif_link;
 enum {
         IDE_AFLAG_DRQ_INTERRUPT         = (1 << 0),
         IDE_AFLAG_MEDIA_CHANGED         = (1 << 1),
-
-        /* ide-cd */
         /* Drive cannot lock the door. */
         IDE_AFLAG_NO_DOORLOCK           = (1 << 2),
+
+        /* ide-cd */
         /* Drive cannot eject the disc. */
         IDE_AFLAG_NO_EJECT              = (1 << 3),
         /* Drive is a pre ATAPI 1.2 drive. */
@@ -354,21 +373,25 @@ enum {
         IDE_AFLAG_CLIK_DRIVE            = (1 << 19),
         /* Requires BH algorithm for packets */
         IDE_AFLAG_ZIP_DRIVE             = (1 << 20),
+        /* Write protect */
+        IDE_AFLAG_WP                    = (1 << 21),
+        /* Supports format progress report */
+        IDE_AFLAG_SRFP                  = (1 << 22),
 
         /* ide-tape */
-        IDE_AFLAG_IGNORE_DSC            = (1 << 21),
+        IDE_AFLAG_IGNORE_DSC            = (1 << 23),
         /* 0 When the tape position is unknown */
-        IDE_AFLAG_ADDRESS_VALID         = (1 << 22),
+        IDE_AFLAG_ADDRESS_VALID         = (1 << 24),
         /* Device already opened */
-        IDE_AFLAG_BUSY                  = (1 << 23),
+        IDE_AFLAG_BUSY                  = (1 << 25),
         /* Attempt to auto-detect the current user block size */
-        IDE_AFLAG_DETECT_BS             = (1 << 24),
+        IDE_AFLAG_DETECT_BS             = (1 << 26),
         /* Currently on a filemark */
-        IDE_AFLAG_FILEMARK              = (1 << 25),
+        IDE_AFLAG_FILEMARK              = (1 << 27),
         /* 0 = no tape is loaded, so we don't rewind after ejecting */
-        IDE_AFLAG_MEDIUM_PRESENT        = (1 << 26),
+        IDE_AFLAG_MEDIUM_PRESENT        = (1 << 28),
 
-        IDE_AFLAG_NO_AUTOCLOSE          = (1 << 27),
+        IDE_AFLAG_NO_AUTOCLOSE          = (1 << 29),
 };
 
 struct ide_drive_s {
@@ -380,10 +403,10 @@ struct ide_drive_s {
         struct request          *rq;    /* current request */
         struct ide_drive_s      *next;  /* circular list of hwgroup drives */
         void            *driver_data;   /* extra driver data */
-        struct hd_driveid       *id;    /* drive model identification info */
+        u16                     *id;    /* identification info */
 #ifdef CONFIG_IDE_PROC_FS
         struct proc_dir_entry *proc;    /* /proc/ide/ directory entry */
-        struct ide_settings_s *settings;/* /proc/ide/ drive settings */
+        const struct ide_proc_devset *settings; /* /proc/ide/ drive settings */
 #endif
         struct hwif_s           *hwif;  /* actually (ide_hwif_t *) */
 
@@ -395,16 +418,16 @@ struct ide_drive_s {
         special_t       special;        /* special action flags */
         select_t        select;         /* basic drive/head select reg value */
 
-        u8      keep_settings;          /* restore settings after drive reset */
-        u8      using_dma;              /* disk is using dma for read/write */
         u8      retry_pio;              /* retrying dma capable host in pio */
         u8      state;                  /* retry state */
         u8      waiting_for_dma;        /* dma currently in progress */
-        u8      unmask;                 /* okay to unmask other irqs */
-        u8      noflush;                /* don't attempt flushes */
-        u8      dsc_overlap;            /* DSC overlap */
-        u8      nice1;                  /* give potential excess bandwidth */
 
+        unsigned keep_settings  : 1;    /* restore settings after drive reset */
+        unsigned using_dma      : 1;    /* disk is using dma for read/write */
+        unsigned unmask         : 1;    /* okay to unmask other irqs */
+        unsigned noflush        : 1;    /* don't attempt flushes */
+        unsigned dsc_overlap    : 1;    /* DSC overlap */
+        unsigned nice1          : 1;    /* give potential excess bandwidth */
         unsigned present        : 1;    /* drive is physically present */
         unsigned dead           : 1;    /* device ejected hint */
         unsigned id_read        : 1;    /* 1=id read from disk 0 = synthetic */
@@ -414,23 +437,22 @@ struct ide_drive_s {
         unsigned forced_geom    : 1;    /* 1 if hdx=c,h,s was given at boot */
         unsigned no_unmask      : 1;    /* disallow setting unmask bit */
         unsigned no_io_32bit    : 1;    /* disallow enabling 32bit I/O */
-        unsigned atapi_overlap  : 1;    /* ATAPI overlap (not supported) */
         unsigned doorlocking    : 1;    /* for removable only: door lock/unlock works */
         unsigned nodma          : 1;    /* disallow DMA */
-        unsigned remap_0_to_1   : 1;    /* 0=noremap, 1=remap 0->1 (for EZDrive) */
         unsigned blocked        : 1;    /* 1=powermanagment told us not to do anything, so sleep nicely */
         unsigned scsi           : 1;    /* 0=default, 1=ide-scsi emulation */
         unsigned sleeping       : 1;    /* 1=sleeping & sleep field valid */
         unsigned post_reset     : 1;
         unsigned udma33_warned  : 1;
+        unsigned addressing     : 2;    /* 0=28-bit, 1=48-bit, 2=48-bit doing 28-bit */
+        unsigned wcache         : 1;    /* status of write cache */
+        unsigned nowerr         : 1;    /* used for ignoring ATA_DF */
 
-        u8      addressing;     /* 0=28-bit, 1=48-bit, 2=48-bit doing 28-bit */
         u8      quirk_list;     /* considered quirky, set for a specific host */
         u8      init_speed;     /* transfer rate set at boot */
         u8      current_speed;  /* current transfer rate set */
         u8      desired_speed;  /* desired transfer rate set */
         u8      dn;             /* now wide spread use */
-        u8      wcache;         /* status of write cache */
         u8      acoustic;       /* acoustic management */
         u8      media;          /* disk, cdrom, tape, floppy, ... */
         u8      ready_stat;     /* min status value for drive ready */
@@ -438,9 +460,7 @@ struct ide_drive_s {
         u8      mult_req;       /* requested multiple sector setting */
         u8      tune_req;       /* requested drive tuning setting */
         u8      io_32bit;       /* 0=16-bit, 1=32-bit, 2/3=32bit+sync */
-        u8      bad_wstat;      /* used for ignoring WRERR_STAT */
-        u8      nowerr;         /* used for ignoring WRERR_STAT */
-        u8      sect0;          /* offset of first sector for DM6:DDO */
+        u8      bad_wstat;      /* used for ignoring ATA_DF */
         u8      head;           /* "real" number of heads */
         u8      sect;           /* "real" sectors per track */
         u8      bios_head;      /* BIOS/fdisk/LILO number of heads */
@@ -474,10 +494,6 @@ typedef struct ide_drive_s ide_drive_t;
 
 #define to_ide_device(dev)container_of(dev, ide_drive_t, gendev)
 
-#define IDE_CHIPSET_PCI_MASK    \
-    ((1<<ide_pci)|(1<<ide_cmd646)|(1<<ide_ali14xx))
-#define IDE_CHIPSET_IS_PCI(c)   ((IDE_CHIPSET_PCI_MASK >> (c)) & 1)
-
 struct ide_task_s;
 struct ide_port_info;
 
@@ -567,7 +583,6 @@ typedef struct hwif_s {
         u8 major;       /* our major number */
         u8 index;       /* 0 for ide0; 1 for ide1; ... */
         u8 channel;     /* for dual-port chips: 0=primary, 1=secondary */
-        u8 bus_state;   /* power state of the IDE bus */
 
         u32 host_flags;
 
@@ -645,6 +660,7 @@ struct ide_host {
         ide_hwif_t      *ports[MAX_HWIFS];
         unsigned int    n_ports;
         struct device   *dev[2];
+        unsigned int    (*init_chipset)(struct pci_dev *);
         unsigned long   host_flags;
         void            *host_priv;
 };
@@ -692,9 +708,61 @@ typedef struct ide_driver_s ide_driver_t;
 
 extern struct mutex ide_setting_mtx;
 
-int set_io_32bit(ide_drive_t *, int);
-int set_pio_mode(ide_drive_t *, int);
-int set_using_dma(ide_drive_t *, int);
+/*
+ * configurable drive settings
+ */
+
+#define DS_SYNC (1 << 0)
+
+struct ide_devset {
+        int             (*get)(ide_drive_t *);
+        int             (*set)(ide_drive_t *, int);
+        unsigned int    flags;
+};
+
+#define __DEVSET(_flags, _get, _set) { \
+        .flags  = _flags, \
+        .get    = _get, \
+        .set    = _set, \
+}
+
+#define ide_devset_get(name, field) \
+static int get_##name(ide_drive_t *drive) \
+{ \
+        return drive->field; \
+}
+
+#define ide_devset_set(name, field) \
+static int set_##name(ide_drive_t *drive, int arg) \
+{ \
+        drive->field = arg; \
+        return 0; \
+}
+
+#define __IDE_DEVSET(_name, _flags, _get, _set) \
+const struct ide_devset ide_devset_##_name = \
+        __DEVSET(_flags, _get, _set)
+
+#define IDE_DEVSET(_name, _flags, _get, _set) \
+static __IDE_DEVSET(_name, _flags, _get, _set)
+
+#define ide_devset_rw(_name, _func) \
+IDE_DEVSET(_name, 0, get_##_func, set_##_func)
+
+#define ide_devset_w(_name, _func) \
+IDE_DEVSET(_name, 0, NULL, set_##_func)
+
+#define ide_devset_rw_sync(_name, _func) \
+IDE_DEVSET(_name, DS_SYNC, get_##_func, set_##_func)
+
+#define ide_decl_devset(_name) \
+extern const struct ide_devset ide_devset_##_name
+
+ide_decl_devset(io_32bit);
+ide_decl_devset(keepsettings);
+ide_decl_devset(pio_mode);
+ide_decl_devset(unmaskirq);
+ide_decl_devset(using_dma);
 
 /* ATAPI packet command flags */
 enum {
@@ -710,6 +778,12 @@ enum {
         PC_FLAG_TIMEDOUT                = (1 << 7),
 };
 
+/*
+ * With each packet command, we allocate a buffer of IDE_PC_BUFFER_SIZE bytes.
+ * This is used for several packet commands (not for READ/WRITE commands).
+ */
+#define IDE_PC_BUFFER_SIZE      256
+
 struct ide_atapi_pc {
         /* actual packet bytes */
         u8 c[12];
@@ -739,7 +813,7 @@ struct ide_atapi_pc {
          * those are more or less driver-specific and some of them are subject
          * to change/removal later.
          */
-        u8 pc_buf[256];
+        u8 pc_buf[IDE_PC_BUFFER_SIZE];
 
         /* idetape only */
         struct idetape_bh *bh;
@@ -757,37 +831,34 @@ struct ide_atapi_pc {
 
 #ifdef CONFIG_IDE_PROC_FS
 /*
- * configurable drive settings
+ * /proc/ide interface
  */
 
-#define TYPE_INT        0
-#define TYPE_BYTE       1
-#define TYPE_SHORT      2
+#define ide_devset_rw_field(_name, _field) \
+ide_devset_get(_name, _field); \
+ide_devset_set(_name, _field); \
+IDE_DEVSET(_name, DS_SYNC, get_##_name, set_##_name)
+
+struct ide_proc_devset {
+        const char              *name;
+        const struct ide_devset *setting;
+        int                     min, max;
+        int                     (*mulf)(ide_drive_t *);
+        int                     (*divf)(ide_drive_t *);
+};
 
-#define SETTING_READ    (1 << 0)
-#define SETTING_WRITE   (1 << 1)
-#define SETTING_RW      (SETTING_READ | SETTING_WRITE)
+#define __IDE_PROC_DEVSET(_name, _min, _max, _mulf, _divf) { \
+        .name = __stringify(_name), \
+        .setting = &ide_devset_##_name, \
+        .min = _min, \
+        .max = _max, \
+        .mulf = _mulf, \
+        .divf = _divf, \
+}
 
-typedef int (ide_procset_t)(ide_drive_t *, int);
-typedef struct ide_settings_s {
-        char                    *name;
-        int                     rw;
-        int                     data_type;
-        int                     min;
-        int                     max;
-        int                     mul_factor;
-        int                     div_factor;
-        void                    *data;
-        ide_procset_t           *set;
-        int                     auto_remove;
-        struct ide_settings_s   *next;
-} ide_settings_t;
-
-int ide_add_setting(ide_drive_t *, const char *, int, int, int, int, int, int, void *, ide_procset_t *set);
+#define IDE_PROC_DEVSET(_name, _min, _max) \
+__IDE_PROC_DEVSET(_name, _min, _max, NULL, NULL)
 
-/*
- * /proc/ide interface
- */
 typedef struct {
         const char      *name;
         mode_t          mode;
@@ -804,8 +875,6 @@ void ide_proc_unregister_port(ide_hwif_t *);
 void ide_proc_register_driver(ide_drive_t *, ide_driver_t *);
 void ide_proc_unregister_driver(ide_drive_t *, ide_driver_t *);
 
-void ide_add_generic_settings(ide_drive_t *);
-
 read_proc_t proc_ide_read_capacity;
 read_proc_t proc_ide_read_geometry;
 
@@ -833,7 +902,6 @@ static inline void ide_proc_unregister_device(ide_drive_t *drive) { ; }
 static inline void ide_proc_unregister_port(ide_hwif_t *hwif) { ; }
 static inline void ide_proc_register_driver(ide_drive_t *drive, ide_driver_t *driver) { ; }
 static inline void ide_proc_unregister_driver(ide_drive_t *drive, ide_driver_t *driver) { ; }
-static inline void ide_add_generic_settings(ide_drive_t *drive) { ; }
 #define PROC_IDE_READ_RETURN(page,start,off,count,eof,len) return 0;
 #endif
 
@@ -879,7 +947,6 @@ enum {
 struct ide_driver_s {
         const char                      *version;
         u8                              media;
-        unsigned supports_dsc_overlap   : 1;
         ide_startstop_t (*do_request)(ide_drive_t *, struct request *, sector_t);
         int             (*end_request)(ide_drive_t *, int, int);
         ide_startstop_t (*error)(ide_drive_t *, struct request *rq, u8, u8);
@@ -889,7 +956,8 @@ struct ide_driver_s {
         void            (*resume)(ide_drive_t *);
         void            (*shutdown)(ide_drive_t *);
 #ifdef CONFIG_IDE_PROC_FS
-        ide_proc_entry_t        *proc;
+        ide_proc_entry_t                *proc;
+        const struct ide_proc_devset    *settings;
 #endif
 };
 
@@ -898,7 +966,17 @@ struct ide_driver_s {
 int ide_device_get(ide_drive_t *);
 void ide_device_put(ide_drive_t *);
 
-int generic_ide_ioctl(ide_drive_t *, struct file *, struct block_device *, unsigned, unsigned long);
+struct ide_ioctl_devset {
+        unsigned int    get_ioctl;
+        unsigned int    set_ioctl;
+        const struct ide_devset *setting;
+};
+
+int ide_setting_ioctl(ide_drive_t *, struct block_device *, unsigned int,
+                      unsigned long, const struct ide_ioctl_devset *);
+
+int generic_ide_ioctl(ide_drive_t *, struct file *, struct block_device *,
+                      unsigned, unsigned long);
 
 extern int ide_vlb_clk;
 extern int ide_pci_clk;
@@ -920,14 +998,19 @@ ide_startstop_t __ide_error(ide_drive_t *, struct request *, u8, u8);
 
 ide_startstop_t ide_error (ide_drive_t *drive, const char *msg, byte stat);
 
-extern void ide_fix_driveid(struct hd_driveid *);
+void ide_fix_driveid(u16 *);
 
 extern void ide_fixstring(u8 *, const int, const int);
 
+int ide_busy_sleep(ide_hwif_t *, unsigned long, int);
+
 int ide_wait_stat(ide_startstop_t *, ide_drive_t *, u8, u8, unsigned long);
 
 extern ide_startstop_t ide_do_reset (ide_drive_t *);
 
+extern int ide_devset_execute(ide_drive_t *drive,
+                              const struct ide_devset *setting, int arg);
+
 extern void ide_do_drive_cmd(ide_drive_t *, struct request *);
 
 extern void ide_end_drive_cmd(ide_drive_t *, u8, u8);
@@ -1051,6 +1134,8 @@ void ide_tf_read(ide_drive_t *, ide_task_t *);
 void ide_input_data(ide_drive_t *, struct request *, void *, unsigned int);
 void ide_output_data(ide_drive_t *, struct request *, void *, unsigned int);
 
+int ide_io_buffers(ide_drive_t *, struct ide_atapi_pc *, unsigned int, int);
+
 extern void SELECT_DRIVE(ide_drive_t *);
 void SELECT_MASK(ide_drive_t *, int);
 
@@ -1061,11 +1146,36 @@ extern int drive_is_ready(ide_drive_t *);
 
 void ide_pktcmd_tf_load(ide_drive_t *, u32, u16, u8);
 
+int ide_check_atapi_device(ide_drive_t *, const char *);
+
+void ide_init_pc(struct ide_atapi_pc *);
+
+/*
+ * Special requests for ide-tape block device strategy routine.
+ *
+ * In order to service a character device command, we add special requests to
+ * the tail of our block device request queue and wait for their completion.
+ */
+enum {
+        REQ_IDETAPE_PC1         = (1 << 0), /* packet command (first stage) */
+        REQ_IDETAPE_PC2         = (1 << 1), /* packet command (second stage) */
+        REQ_IDETAPE_READ        = (1 << 2),
+        REQ_IDETAPE_WRITE       = (1 << 3),
+};
+
+void ide_queue_pc_head(ide_drive_t *, struct gendisk *, struct ide_atapi_pc *,
+                       struct request *);
+int ide_queue_pc_tail(ide_drive_t *, struct gendisk *, struct ide_atapi_pc *);
+
+int ide_do_test_unit_ready(ide_drive_t *, struct gendisk *);
+int ide_do_start_stop(ide_drive_t *, struct gendisk *, int);
+int ide_set_media_lock(ide_drive_t *, struct gendisk *, int);
+
 ide_startstop_t ide_pc_intr(ide_drive_t *drive, struct ide_atapi_pc *pc,
         ide_handler_t *handler, unsigned int timeout, ide_expiry_t *expiry,
         void (*update_buffers)(ide_drive_t *, struct ide_atapi_pc *),
         void (*retry_pc)(ide_drive_t *), void (*dsc_handle)(ide_drive_t *),
-        void (*io_buffers)(ide_drive_t *, struct ide_atapi_pc *, unsigned int,
+        int (*io_buffers)(ide_drive_t *, struct ide_atapi_pc *, unsigned int,
                            int));
 ide_startstop_t ide_transfer_pc(ide_drive_t *, struct ide_atapi_pc *,
                                 ide_handler_t *, unsigned int, ide_expiry_t *);
@@ -1080,8 +1190,6 @@ int ide_raw_taskfile(ide_drive_t *, ide_task_t *, u8 *, u16);
 int ide_no_data_taskfile(ide_drive_t *, ide_task_t *);
 
 int ide_taskfile_ioctl(ide_drive_t *, unsigned int, unsigned long);
-int ide_cmd_ioctl(ide_drive_t *, unsigned int, unsigned long);
-int ide_task_ioctl(ide_drive_t *, unsigned int, unsigned long);
 
 extern int ide_driveid_update(ide_drive_t *);
 extern int ide_config_drive_speed(ide_drive_t *, u8);
@@ -1092,7 +1200,6 @@ extern int ide_wait_not_busy(ide_hwif_t *hwif, unsigned long timeout);
 
 extern void ide_stall_queue(ide_drive_t *drive, unsigned long timeout);
 
-extern int ide_spin_wait_hwgroup(ide_drive_t *);
 extern void ide_timer_expiry(unsigned long);
 extern irqreturn_t ide_intr(int irq, void *dev_id);
 extern void do_ide_request(struct request_queue *);
@@ -1229,6 +1336,14 @@ int ide_pci_init_two(struct pci_dev *, struct pci_dev *,
                      const struct ide_port_info *, void *);
 void ide_pci_remove(struct pci_dev *);
 
+#ifdef CONFIG_PM
+int ide_pci_suspend(struct pci_dev *, pm_message_t);
+int ide_pci_resume(struct pci_dev *);
+#else
+#define ide_pci_suspend NULL
+#define ide_pci_resume NULL
+#endif
+
 void ide_map_sg(ide_drive_t *, struct request *);
 void ide_init_sg_cmd(ide_drive_t *, struct request *);
 
@@ -1240,7 +1355,7 @@ struct drive_list_entry {
         const char *id_firmware;
 };
 
-int ide_in_drive_list(struct hd_driveid *, const struct drive_list_entry *);
+int ide_in_drive_list(u16 *, const struct drive_list_entry *);
 
 #ifdef CONFIG_BLK_DEV_IDEDMA
 int __ide_dma_bad_drive(ide_drive_t *);
@@ -1347,24 +1462,6 @@ const char *ide_xfer_verbose(u8 mode);
 extern void ide_toggle_bounce(ide_drive_t *drive, int on);
 extern int ide_set_xfer_rate(ide_drive_t *drive, u8 rate);
 
-static inline int ide_dev_has_iordy(struct hd_driveid *id)
-{
-        return ((id->field_valid & 2) && (id->capability & 8)) ? 1 : 0;
-}
-
-static inline int ide_dev_is_sata(struct hd_driveid *id)
-{
-        /*
-         * See if word 93 is 0 AND drive is at least ATA-5 compatible
-         * verifying that word 80 by casting it to a signed type --
-         * this trick allows us to filter out the reserved values of
-         * 0x0000 and 0xffff along with the earlier ATA revisions...
-         */
-        if (id->hw_config == 0 && (short)id->major_rev_num >= 0x0020)
-                return 1;
-        return 0;
-}
-
 u64 ide_get_lba_addr(struct ide_taskfile *, int);
 u8 ide_dump_status(ide_drive_t *, const char *, u8);
 
@@ -1436,13 +1533,6 @@ extern struct mutex ide_cfg_mtx;
 extern struct bus_type ide_bus_type;
 extern struct class *ide_port_class;
 
-/* check if CACHE FLUSH (EXT) command is supported (bits defined in ATA-6) */
-#define ide_id_has_flush_cache(id)      ((id)->cfs_enable_2 & 0x3000)
-
-/* some Maxtor disks have bit 13 defined incorrectly so check bit 10 too */
-#define ide_id_has_flush_cache_ext(id)  \
-        (((id)->cfs_enable_2 & 0x2400) == 0x2400)
-
 static inline void ide_dump_identify(u8 *id)
 {
         print_hex_dump(KERN_INFO, "", DUMP_PREFIX_NONE, 16, 2, id, 512, 0);
@@ -1453,10 +1543,10 @@ static inline int hwif_to_node(ide_hwif_t *hwif)
         return hwif->dev ? dev_to_node(hwif->dev) : -1;
 }
 
-static inline ide_drive_t *ide_get_paired_drive(ide_drive_t *drive)
+static inline ide_drive_t *ide_get_pair_dev(ide_drive_t *drive)
 {
-        ide_hwif_t *hwif        = HWIF(drive);
+        ide_drive_t *peer = &drive->hwif->drives[(drive->dn ^ 1) & 1];
 
-        return &hwif->drives[(drive->dn ^ 1) & 1];
+        return peer->present ? peer : NULL;
 }
 #endif /* _IDE_H */