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: (67 commits)
  ide: remove redundant DMA blacklist check from __ide_dma_on()
  ide: cleanup ide_set_dma()
  ide: remove redundant ->ide_dma_on call from set_using_dma()
  sc1200: move DMA timings to timing tables
  ide: add IDE_HFLAG_ABUSE_SET_DMA_MODE host flag
  sis5513: factor out UDMA programming code
  pdc202xx_new: move PIO programming code to pdcnew_set_pio_mode()
  ide: make 'extra' field in struct ide_port_info u8
  ide: kill duplicate code in ide_dump_{ata,atapi}_status()
  ide-disk: use ide_get_lba_addr()
  ide: printk fix
  ide: add ide_tf_read() helper
  ide: fix registers loading order in ide_dump_ata_status()
  ide-disk: use do_rw_taskfile() (take 2)
  ide-disk: add ide_tf_set_cmd() helper
  ide-disk: extend timeout for PIO-in commands
  ide: remove 'handler' field from ide_task_t (take 2)
  ide: use ->data_phase to set ->handler in do_rw_taskfile()
  ide: convert do_rw_taskfile() to use ->data_phase
  ide: merge flagged_taskfile() into do_rw_taskfile()
  ...

3 files changed, 138 insertions, 249 deletions

diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h
index d18ee67b40f8..40ee1706caa3 100644
--- a/include/linux/blkdev.h
+++ b/include/linux/blkdev.h
@@ -144,7 +144,6 @@ enum rq_cmd_type_bits {
          * private REQ_LB opcodes to differentiate what type of request this is
          */
         REQ_TYPE_ATA_CMD,
-        REQ_TYPE_ATA_TASK,
         REQ_TYPE_ATA_TASKFILE,
         REQ_TYPE_ATA_PC,
 };
diff --git a/include/linux/hdreg.h b/include/linux/hdreg.h
index 818c6afc1091..ff43f8d6b5b3 100644
--- a/include/linux/hdreg.h
+++ b/include/linux/hdreg.h
@@ -44,7 +44,9 @@
 
 /* Bits for HD_ERROR */
 #define MARK_ERR                0x01    /* Bad address mark */
+#define ILI_ERR                 0x01    /* Illegal Length Indication (ATAPI) */
 #define TRK0_ERR                0x02    /* couldn't find track 0 */
+#define EOM_ERR                 0x02    /* End Of Media (ATAPI) */
 #define ABRT_ERR                0x04    /* Command aborted */
 #define MCR_ERR                 0x08    /* media change request */
 #define ID_ERR                  0x10    /* ID field not found */
@@ -52,6 +54,7 @@
 #define ECC_ERR                 0x40    /* Uncorrectable ECC error */
 #define BBD_ERR                 0x80    /* pre-EIDE meaning:  block marked bad */
 #define ICRC_ERR                0x80    /* new meaning:  CRC error during transfer */
+#define LFS_ERR                 0xf0    /* Last Failed Sense (ATAPI) */
 
 /* Bits of HD_NSECTOR */
 #define CD                      0x01
@@ -70,13 +73,13 @@
 #define HDIO_DRIVE_HOB_HDR_SIZE         (8 * sizeof(__u8))
 #define HDIO_DRIVE_TASK_HDR_SIZE        (8 * sizeof(__u8))
 
-#define IDE_DRIVE_TASK_INVALID          -1
 #define IDE_DRIVE_TASK_NO_DATA          0
+#ifndef __KERNEL__
+#define IDE_DRIVE_TASK_INVALID          -1
 #define IDE_DRIVE_TASK_SET_XFER         1
-
 #define IDE_DRIVE_TASK_IN               2
-
 #define IDE_DRIVE_TASK_OUT              3
+#endif
 #define IDE_DRIVE_TASK_RAW_WRITE        4
 
 /*
@@ -87,10 +90,10 @@
 #ifndef __KERNEL__
 #define IDE_TASKFILE_STD_OUT_FLAGS      0xFE
 #define IDE_HOB_STD_OUT_FLAGS           0x3C
-#endif
 
 typedef unsigned char task_ioreg_t;
 typedef unsigned long sata_ioreg_t;
+#endif
 
 typedef union ide_reg_valid_s {
         unsigned all                            : 16;
@@ -116,8 +119,8 @@ typedef union ide_reg_valid_s {
 } ide_reg_valid_t;
 
 typedef struct ide_task_request_s {
-        task_ioreg_t    io_ports[8];
-        task_ioreg_t    hob_ports[8];
+        __u8            io_ports[8];
+        __u8            hob_ports[8]; /* bytes 6 and 7 are unused */
         ide_reg_valid_t out_flags;
         ide_reg_valid_t in_flags;
         int             data_phase;
@@ -133,36 +136,35 @@ typedef struct ide_ioctl_request_s {
 } ide_ioctl_request_t;
 
 struct hd_drive_cmd_hdr {
-        task_ioreg_t command;
-        task_ioreg_t sector_number;
-        task_ioreg_t feature;
-        task_ioreg_t sector_count;
+        __u8 command;
+        __u8 sector_number;
+        __u8 feature;
+        __u8 sector_count;
 };
 
+#ifndef __KERNEL__
 typedef struct hd_drive_task_hdr {
-        task_ioreg_t data;
-        task_ioreg_t feature;
-        task_ioreg_t sector_count;
-        task_ioreg_t sector_number;
-        task_ioreg_t low_cylinder;
-        task_ioreg_t high_cylinder;
-        task_ioreg_t device_head;
-        task_ioreg_t command;
+        __u8 data;
+        __u8 feature;
+        __u8 sector_count;
+        __u8 sector_number;
+        __u8 low_cylinder;
+        __u8 high_cylinder;
+        __u8 device_head;
+        __u8 command;
 } task_struct_t;
 
 typedef struct hd_drive_hob_hdr {
-        task_ioreg_t data;
-        task_ioreg_t feature;
-        task_ioreg_t sector_count;
-        task_ioreg_t sector_number;
-        task_ioreg_t low_cylinder;
-        task_ioreg_t high_cylinder;
-        task_ioreg_t device_head;
-        task_ioreg_t control;
+        __u8 data;
+        __u8 feature;
+        __u8 sector_count;
+        __u8 sector_number;
+        __u8 low_cylinder;
+        __u8 high_cylinder;
+        __u8 device_head;
+        __u8 control;
 } hob_struct_t;
-
-#define TASKFILE_INVALID                0x7fff
-#define TASKFILE_48                     0x8000
+#endif
 
 #define TASKFILE_NO_DATA                0x0000
 
@@ -178,12 +180,16 @@ typedef struct hd_drive_hob_hdr {
 #define TASKFILE_IN_DMAQ                0x0080
 #define TASKFILE_OUT_DMAQ               0x0100
 
+#ifndef __KERNEL__
 #define TASKFILE_P_IN                   0x0200
 #define TASKFILE_P_OUT                  0x0400
 #define TASKFILE_P_IN_DMA               0x0800
 #define TASKFILE_P_OUT_DMA              0x1000
 #define TASKFILE_P_IN_DMAQ              0x2000
 #define TASKFILE_P_OUT_DMAQ             0x4000
+#define TASKFILE_48                     0x8000
+#define TASKFILE_INVALID                0x7fff
+#endif
 
 /* ATA/ATAPI Commands pre T13 Spec */
 #define WIN_NOP                         0x00
diff --git a/include/linux/ide.h b/include/linux/ide.h
index 9a6a41e7079f..1e4409937ec3 100644
--- a/include/linux/ide.h
+++ b/include/linux/ide.h
@@ -27,25 +27,10 @@
 #include <asm/semaphore.h>
 #include <asm/mutex.h>
 
-/******************************************************************************
- * IDE driver configuration options (play with these as desired):
- *
- * REALLY_SLOW_IO can be defined in ide.c and ide-cd.c, if necessary
- */
-#define INITIAL_MULT_COUNT      0       /* off=0; on=2,4,8,16,32, etc.. */
-
-#ifndef SUPPORT_SLOW_DATA_PORTS         /* 1 to support slow data ports */
-#define SUPPORT_SLOW_DATA_PORTS 1       /* 0 to reduce kernel size */
-#endif
-#ifndef SUPPORT_VLB_SYNC                /* 1 to support weird 32-bit chips */
-#define SUPPORT_VLB_SYNC        1       /* 0 to reduce kernel size */
-#endif
-#ifndef OK_TO_RESET_CONTROLLER          /* 1 needed for good error recovery */
-#define OK_TO_RESET_CONTROLLER  1       /* 0 for use with AH2372A/B interface */
-#endif
-
-#ifndef DISABLE_IRQ_NOSYNC
-#define DISABLE_IRQ_NOSYNC      0
+#if defined(CRIS) || defined(FRV)
+# define SUPPORT_VLB_SYNC 0
+#else
+# define SUPPORT_VLB_SYNC 1
 #endif
 
 /*
@@ -55,10 +40,6 @@
  
 #define IDE_NO_IRQ              (-1)
 
-/*
- *  "No user-serviceable parts" beyond this point  :)
- *****************************************************************************/
-
 typedef unsigned char   byte;   /* used everywhere */
 
 /*
@@ -103,8 +84,6 @@ typedef unsigned char	byte;	/* used everywhere */
 #define IDE_FEATURE_OFFSET      IDE_ERROR_OFFSET
 #define IDE_COMMAND_OFFSET      IDE_STATUS_OFFSET
 
-#define IDE_CONTROL_OFFSET_HOB  (7)
-
 #define IDE_DATA_REG            (HWIF(drive)->io_ports[IDE_DATA_OFFSET])
 #define IDE_ERROR_REG           (HWIF(drive)->io_ports[IDE_ERROR_OFFSET])
 #define IDE_NSECTOR_REG         (HWIF(drive)->io_ports[IDE_NSECTOR_OFFSET])
@@ -327,47 +306,16 @@ static inline void ide_init_hwif_ports(hw_regs_t *hw,
 typedef union {
         unsigned all                    : 8;
         struct {
-#if defined(__LITTLE_ENDIAN_BITFIELD)
                 unsigned set_geometry   : 1;
                 unsigned recalibrate    : 1;
                 unsigned set_multmode   : 1;
                 unsigned set_tune       : 1;
                 unsigned serviced       : 1;
                 unsigned reserved       : 3;
-#elif defined(__BIG_ENDIAN_BITFIELD)
-                unsigned reserved       : 3;
-                unsigned serviced       : 1;
-                unsigned set_tune       : 1;
-                unsigned set_multmode   : 1;
-                unsigned recalibrate    : 1;
-                unsigned set_geometry   : 1;
-#else
-#error "Please fix <asm/byteorder.h>"
-#endif
         } b;
 } special_t;
 
 /*
- * ATA DATA Register Special.
- * ATA NSECTOR Count Register().
- * ATAPI Byte Count Register.
- */
-typedef union {
-        unsigned all                    :16;
-        struct {
-#if defined(__LITTLE_ENDIAN_BITFIELD)
-                unsigned low            :8;     /* LSB */
-                unsigned high           :8;     /* MSB */
-#elif defined(__BIG_ENDIAN_BITFIELD)
-                unsigned high           :8;     /* MSB */
-                unsigned low            :8;     /* LSB */
-#else
-#error "Please fix <asm/byteorder.h>"
-#endif
-        } b;
-} ata_nsector_t, ata_data_t, atapi_bcount_t;
-
-/*
  * ATA-IDE Select Register, aka Device-Head
  *
  * head         : always zeros here
@@ -398,131 +346,6 @@ typedef union {
 } select_t, ata_select_t;
 
 /*
- * The ATA-IDE Status Register.
- * The ATAPI Status Register.
- *
- * check        : Error occurred
- * idx          : Index Error
- * corr         : Correctable error occurred
- * drq          : Data is request by the device
- * dsc          : Disk Seek Complete                    : ata
- *              : Media access command finished         : atapi
- * df           : Device Fault                          : ata
- *              : Reserved                              : atapi
- * drdy         : Ready, Command Mode Capable           : ata
- *              : Ignored for ATAPI commands            : atapi
- * bsy          : Disk is Busy
- *              : The device has access to the command block
- */
-typedef union {
-        unsigned all                    :8;
-        struct {
-#if defined(__LITTLE_ENDIAN_BITFIELD)
-                unsigned check          :1;
-                unsigned idx            :1;
-                unsigned corr           :1;
-                unsigned drq            :1;
-                unsigned dsc            :1;
-                unsigned df             :1;
-                unsigned drdy           :1;
-                unsigned bsy            :1;
-#elif defined(__BIG_ENDIAN_BITFIELD)
-                unsigned bsy            :1;
-                unsigned drdy           :1;
-                unsigned df             :1;
-                unsigned dsc            :1;
-                unsigned drq            :1;
-                unsigned corr           :1;
-                unsigned idx            :1;
-                unsigned check          :1;
-#else
-#error "Please fix <asm/byteorder.h>"
-#endif
-        } b;
-} ata_status_t, atapi_status_t;
-
-/*
- * ATAPI Feature Register
- *
- * dma          : Using DMA or PIO
- * reserved321  : Reserved
- * reserved654  : Reserved (Tag Type)
- * reserved7    : Reserved
- */
-typedef union {
-        unsigned all                    :8;
-        struct {
-#if defined(__LITTLE_ENDIAN_BITFIELD)
-                unsigned dma            :1;
-                unsigned reserved321    :3;
-                unsigned reserved654    :3;
-                unsigned reserved7      :1;
-#elif defined(__BIG_ENDIAN_BITFIELD)
-                unsigned reserved7      :1;
-                unsigned reserved654    :3;
-                unsigned reserved321    :3;
-                unsigned dma            :1;
-#else
-#error "Please fix <asm/byteorder.h>"
-#endif
-        } b;
-} atapi_feature_t;
-
-/*
- * ATAPI Interrupt Reason Register.
- *
- * cod          : Information transferred is command (1) or data (0)
- * io           : The device requests us to read (1) or write (0)
- * reserved     : Reserved
- */
-typedef union {
-        unsigned all                    :8;
-        struct {
-#if defined(__LITTLE_ENDIAN_BITFIELD)
-                unsigned cod            :1;
-                unsigned io             :1;
-                unsigned reserved       :6;
-#elif defined(__BIG_ENDIAN_BITFIELD)
-                unsigned reserved       :6;
-                unsigned io             :1;
-                unsigned cod            :1;
-#else
-#error "Please fix <asm/byteorder.h>"
-#endif
-        } b;
-} atapi_ireason_t;
-
-/*
- * The ATAPI error register.
- *
- * ili          : Illegal Length Indication
- * eom          : End Of Media Detected
- * abrt         : Aborted command - As defined by ATA
- * mcr          : Media Change Requested - As defined by ATA
- * sense_key    : Sense key of the last failed packet command
- */
-typedef union {
-        unsigned all                    :8;
-        struct {
-#if defined(__LITTLE_ENDIAN_BITFIELD)
-                unsigned ili            :1;
-                unsigned eom            :1;
-                unsigned abrt           :1;
-                unsigned mcr            :1;
-                unsigned sense_key      :4;
-#elif defined(__BIG_ENDIAN_BITFIELD)
-                unsigned sense_key      :4;
-                unsigned mcr            :1;
-                unsigned abrt           :1;
-                unsigned eom            :1;
-                unsigned ili            :1;
-#else
-#error "Please fix <asm/byteorder.h>"
-#endif
-        } b;
-} atapi_error_t;
-
-/*
  * Status returned from various ide_ functions
  */
 typedef enum {
@@ -701,8 +524,6 @@ typedef struct hwif_s {
         void    (*pre_reset)(ide_drive_t *);
         /* routine to reset controller after a disk reset */
         void    (*resetproc)(ide_drive_t *);
-        /* special interrupt handling for shared pci interrupts */
-        void    (*intrproc)(ide_drive_t *);
         /* special host masking for drive selection */
         void    (*maskproc)(ide_drive_t *, int);
         /* check host's drive quirk list */
@@ -766,7 +587,6 @@ typedef struct hwif_s {
         int             rqsize;         /* max sectors per request */
         int             irq;            /* our irq number */
 
-        unsigned long   dma_master;     /* reference base addr dmabase */
         unsigned long   dma_base;       /* base addr for dma ports */
         unsigned long   dma_command;    /* dma command register */
         unsigned long   dma_vendor1;    /* dma vendor 1 register */
@@ -806,7 +626,6 @@ typedef struct hwif_s {
 /*
  *  internal ide interrupt handler type
  */
-typedef ide_startstop_t (ide_pre_handler_t)(ide_drive_t *, struct request *);
 typedef ide_startstop_t (ide_handler_t)(ide_drive_t *);
 typedef int (ide_expiry_t)(ide_drive_t *);
 
@@ -1020,7 +839,8 @@ int ide_end_dequeued_request(ide_drive_t *drive, struct request *rq,
 
 extern void ide_set_handler (ide_drive_t *drive, ide_handler_t *handler, unsigned int timeout, ide_expiry_t *expiry);
 
-extern void ide_execute_command(ide_drive_t *, task_ioreg_t cmd, ide_handler_t *, unsigned int, ide_expiry_t *);
+void ide_execute_command(ide_drive_t *, u8, ide_handler_t *, unsigned int,
+                         ide_expiry_t *);
 
 ide_startstop_t __ide_error(ide_drive_t *, struct request *, u8, u8);
 
@@ -1062,52 +882,114 @@ extern void ide_end_drive_cmd(ide_drive_t *, u8, u8);
  */
 extern int ide_wait_cmd(ide_drive_t *, u8, u8, u8, u8, u8 *);
 
+enum {
+        IDE_TFLAG_LBA48                 = (1 << 0),
+        IDE_TFLAG_NO_SELECT_MASK        = (1 << 1),
+        IDE_TFLAG_FLAGGED               = (1 << 2),
+        IDE_TFLAG_OUT_DATA              = (1 << 3),
+        IDE_TFLAG_OUT_HOB_FEATURE       = (1 << 4),
+        IDE_TFLAG_OUT_HOB_NSECT         = (1 << 5),
+        IDE_TFLAG_OUT_HOB_LBAL          = (1 << 6),
+        IDE_TFLAG_OUT_HOB_LBAM          = (1 << 7),
+        IDE_TFLAG_OUT_HOB_LBAH          = (1 << 8),
+        IDE_TFLAG_OUT_HOB               = IDE_TFLAG_OUT_HOB_FEATURE |
+                                          IDE_TFLAG_OUT_HOB_NSECT |
+                                          IDE_TFLAG_OUT_HOB_LBAL |
+                                          IDE_TFLAG_OUT_HOB_LBAM |
+                                          IDE_TFLAG_OUT_HOB_LBAH,
+        IDE_TFLAG_OUT_FEATURE           = (1 << 9),
+        IDE_TFLAG_OUT_NSECT             = (1 << 10),
+        IDE_TFLAG_OUT_LBAL              = (1 << 11),
+        IDE_TFLAG_OUT_LBAM              = (1 << 12),
+        IDE_TFLAG_OUT_LBAH              = (1 << 13),
+        IDE_TFLAG_OUT_TF                = IDE_TFLAG_OUT_FEATURE |
+                                          IDE_TFLAG_OUT_NSECT |
+                                          IDE_TFLAG_OUT_LBAL |
+                                          IDE_TFLAG_OUT_LBAM |
+                                          IDE_TFLAG_OUT_LBAH,
+        IDE_TFLAG_OUT_DEVICE            = (1 << 14),
+        IDE_TFLAG_WRITE                 = (1 << 15),
+        IDE_TFLAG_FLAGGED_SET_IN_FLAGS  = (1 << 16),
+        IDE_TFLAG_IN_DATA               = (1 << 17),
+        IDE_TFLAG_CUSTOM_HANDLER        = (1 << 18),
+        IDE_TFLAG_DMA_PIO_FALLBACK      = (1 << 19),
+        IDE_TFLAG_IN_HOB_FEATURE        = (1 << 20),
+        IDE_TFLAG_IN_HOB_NSECT          = (1 << 21),
+        IDE_TFLAG_IN_HOB_LBAL           = (1 << 22),
+        IDE_TFLAG_IN_HOB_LBAM           = (1 << 23),
+        IDE_TFLAG_IN_HOB_LBAH           = (1 << 24),
+        IDE_TFLAG_IN_HOB_LBA            = IDE_TFLAG_IN_HOB_LBAL |
+                                          IDE_TFLAG_IN_HOB_LBAM |
+                                          IDE_TFLAG_IN_HOB_LBAH,
+        IDE_TFLAG_IN_HOB                = IDE_TFLAG_IN_HOB_FEATURE |
+                                          IDE_TFLAG_IN_HOB_NSECT |
+                                          IDE_TFLAG_IN_HOB_LBA,
+        IDE_TFLAG_IN_NSECT              = (1 << 25),
+        IDE_TFLAG_IN_LBAL               = (1 << 26),
+        IDE_TFLAG_IN_LBAM               = (1 << 27),
+        IDE_TFLAG_IN_LBAH               = (1 << 28),
+        IDE_TFLAG_IN_LBA                = IDE_TFLAG_IN_LBAL |
+                                          IDE_TFLAG_IN_LBAM |
+                                          IDE_TFLAG_IN_LBAH,
+        IDE_TFLAG_IN_TF                 = IDE_TFLAG_IN_NSECT |
+                                          IDE_TFLAG_IN_LBA,
+        IDE_TFLAG_IN_DEVICE             = (1 << 29),
+};
+
+struct ide_taskfile {
+        u8      hob_data;       /*  0: high data byte (for TASKFILE IOCTL) */
+
+        u8      hob_feature;    /*  1-5: additional data to support LBA48 */
+        u8      hob_nsect;
+        u8      hob_lbal;
+        u8      hob_lbam;
+        u8      hob_lbah;
+
+        u8      data;           /*  6: low data byte (for TASKFILE IOCTL) */
+
+        union {                 /*  7: */
+                u8 error;       /*   read:  error */
+                u8 feature;     /*  write: feature */
+        };
+
+        u8      nsect;          /*  8: number of sectors */
+        u8      lbal;           /*  9: LBA low */
+        u8      lbam;           /* 10: LBA mid */
+        u8      lbah;           /* 11: LBA high */
+
+        u8      device;         /* 12: device select */
+
+        union {                 /* 13: */
+                u8 status;      /*  read: status  */
+                u8 command;     /* write: command */
+        };
+};
+
 typedef struct ide_task_s {
-/*
- *      struct hd_drive_task_hdr        tf;
- *      task_struct_t           tf;
- *      struct hd_drive_hob_hdr         hobf;
- *      hob_struct_t            hobf;
- */
-        task_ioreg_t            tfRegister[8];
-        task_ioreg_t            hobRegister[8];
-        ide_reg_valid_t         tf_out_flags;
-        ide_reg_valid_t         tf_in_flags;
+        union {
+                struct ide_taskfile     tf;
+                u8                      tf_array[14];
+        };
+        u32                     tf_flags;
         int                     data_phase;
-        int                     command_type;
-        ide_pre_handler_t       *prehandler;
-        ide_handler_t           *handler;
         struct request          *rq;            /* copy of request */
         void                    *special;       /* valid_t generally */
 } ide_task_t;
 
-extern u32 ide_read_24(ide_drive_t *);
+void ide_tf_load(ide_drive_t *, ide_task_t *);
+void ide_tf_read(ide_drive_t *, ide_task_t *);
 
 extern void SELECT_DRIVE(ide_drive_t *);
-extern void SELECT_INTERRUPT(ide_drive_t *);
 extern void SELECT_MASK(ide_drive_t *, int);
-extern void QUIRK_LIST(ide_drive_t *);
 
 extern int drive_is_ready(ide_drive_t *);
 
-/*
- * taskfile io for disks for now...and builds request from ide_ioctl
- */
-extern ide_startstop_t do_rw_taskfile(ide_drive_t *, ide_task_t *);
-
-/*
- * Special Flagged Register Validation Caller
- */
-extern ide_startstop_t flagged_taskfile(ide_drive_t *, ide_task_t *);
+void ide_pktcmd_tf_load(ide_drive_t *, u32, u16, u8);
 
-extern ide_startstop_t set_multmode_intr(ide_drive_t *);
-extern ide_startstop_t set_geometry_intr(ide_drive_t *);
-extern ide_startstop_t recal_intr(ide_drive_t *);
-extern ide_startstop_t task_no_data_intr(ide_drive_t *);
-extern ide_startstop_t task_in_intr(ide_drive_t *);
-extern ide_startstop_t pre_task_out_intr(ide_drive_t *, struct request *);
+ide_startstop_t do_rw_taskfile(ide_drive_t *, ide_task_t *);
 
-extern int ide_raw_taskfile(ide_drive_t *, ide_task_t *, u8 *);
+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);
@@ -1212,6 +1094,7 @@ enum {
         IDE_HFLAG_IO_32BIT              = (1 << 24),
         /* unmask IRQs */
         IDE_HFLAG_UNMASK_IRQS           = (1 << 25),
+        IDE_HFLAG_ABUSE_SET_DMA_MODE    = (1 << 26),
 };
 
 #ifdef CONFIG_BLK_DEV_OFFBOARD
@@ -1229,7 +1112,7 @@ struct ide_port_info {
         void                    (*fixup)(ide_hwif_t *);
         ide_pci_enablebit_t     enablebits[2];
         hwif_chipset_t          chipset;
-        unsigned int            extra;
+        u8                      extra;
         u32                     host_flags;
         u8                      pio_mask;
         u8                      swdma_mask;
@@ -1356,6 +1239,7 @@ static inline int ide_dev_is_sata(struct hd_driveid *id)
         return 0;
 }
 
+u64 ide_get_lba_addr(struct ide_taskfile *, int);
 u8 ide_dump_status(ide_drive_t *, const char *, u8);
 
 typedef struct ide_pio_timings_s {