1 files changed, 57 insertions, 68 deletions

diff --git a/include/linux/ide.h b/include/linux/ide.h
index 9fed365a598b..edc93a6d931d 100644
--- a/include/linux/ide.h
+++ b/include/linux/ide.h
@@ -26,6 +26,9 @@
 #include <asm/io.h>
 #include <asm/mutex.h>
 
+/* for request_sense */
+#include <linux/cdrom.h>
+
 #if defined(CONFIG_CRIS) || defined(CONFIG_FRV) || defined(CONFIG_MN10300)
 # define SUPPORT_VLB_SYNC 0
 #else
@@ -154,12 +157,6 @@ enum {
 #define REQ_UNPARK_HEADS        0x23
 
 /*
- * Check for an interrupt and acknowledge the interrupt status
- */
-struct hwif_s;
-typedef int (ide_ack_intr_t)(struct hwif_s *);
-
-/*
  * hwif_chipset_t is used to keep track of the specific hardware
  * chipset used by each IDE interface, if known.
  */
@@ -175,20 +172,18 @@ typedef u8 hwif_chipset_t;
 /*
  * Structure to hold all information about the location of this port
  */
-typedef struct hw_regs_s {
+struct ide_hw {
         union {
                 struct ide_io_ports     io_ports;
                 unsigned long           io_ports_array[IDE_NR_PORTS];
         };
 
         int             irq;                    /* our irq number */
-        ide_ack_intr_t  *ack_intr;              /* acknowledge interrupt */
-        hwif_chipset_t  chipset;
         struct device   *dev, *parent;
         unsigned long   config;
-} hw_regs_t;
+};
 
-static inline void ide_std_init_ports(hw_regs_t *hw,
+static inline void ide_std_init_ports(struct ide_hw *hw,
                                       unsigned long io_addr,
                                       unsigned long ctl_addr)
 {
@@ -215,21 +210,12 @@ static inline void ide_std_init_ports(hw_regs_t *hw,
 
 /*
  * Special Driver Flags
- *
- * set_geometry : respecify drive geometry
- * recalibrate  : seek to cyl 0
- * set_multmode : set multmode count
- * reserved     : unused
  */
-typedef union {
-        unsigned all                    : 8;
-        struct {
-                unsigned set_geometry   : 1;
-                unsigned recalibrate    : 1;
-                unsigned set_multmode   : 1;
-                unsigned reserved       : 5;
-        } b;
-} special_t;
+enum {
+        IDE_SFLAG_SET_GEOMETRY          = (1 << 0),
+        IDE_SFLAG_RECALIBRATE           = (1 << 1),
+        IDE_SFLAG_SET_MULTMODE          = (1 << 2),
+};
 
 /*
  * Status returned from various ide_ functions
@@ -324,7 +310,6 @@ struct ide_cmd {
         unsigned int            cursg_ofs;
 
         struct request          *rq;            /* copy of request */
-        void                    *special;       /* valid_t generally */
 };
 
 /* ATAPI packet command flags */
@@ -339,11 +324,6 @@ enum {
         PC_FLAG_WRITING                 = (1 << 6),
 };
 
-/*
- * 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      64
 #define ATAPI_WAIT_PC           (60 * HZ)
 
 struct ide_atapi_pc {
@@ -355,16 +335,6 @@ struct ide_atapi_pc {
 
         /* bytes to transfer */
         int req_xfer;
-        /* bytes actually transferred */
-        int xferred;
-
-        /* data buffer */
-        u8 *buf;
-        /* current buffer position */
-        u8 *cur_pos;
-        int buf_size;
-        /* missing/available data on the current buffer */
-        int b_count;
 
         /* the corresponding request */
         struct request *rq;
@@ -375,12 +345,6 @@ struct ide_atapi_pc {
          * those are more or less driver-specific and some of them are subject
          * to change/removal later.
          */
-        u8 pc_buf[IDE_PC_BUFFER_SIZE];
-
-        /* idetape only */
-        struct idetape_bh *bh;
-        char *b_data;
-
         unsigned long timeout;
 };
 
@@ -397,6 +361,7 @@ struct ide_drive_s;
 struct ide_disk_ops {
         int             (*check)(struct ide_drive_s *, const char *);
         int             (*get_capacity)(struct ide_drive_s *);
+        u64             (*set_capacity)(struct ide_drive_s *, u64);
         void            (*setup)(struct ide_drive_s *);
         void            (*flush)(struct ide_drive_s *);
         int             (*init_media)(struct ide_drive_s *, struct gendisk *);
@@ -474,6 +439,8 @@ enum {
         IDE_DFLAG_NICE1                 = (1 << 5),
         /* device is physically present */
         IDE_DFLAG_PRESENT               = (1 << 6),
+        /* disable Host Protected Area */
+        IDE_DFLAG_NOHPA                 = (1 << 7),
         /* id read from device (synthetic if not set) */
         IDE_DFLAG_ID_READ               = (1 << 8),
         IDE_DFLAG_NOPROBE               = (1 << 9),
@@ -512,6 +479,7 @@ enum {
         /* write protect */
         IDE_DFLAG_WP                    = (1 << 29),
         IDE_DFLAG_FORMAT_IN_PROGRESS    = (1 << 30),
+        IDE_DFLAG_NIEN_QUIRK            = (1 << 31),
 };
 
 struct ide_drive_s {
@@ -536,14 +504,13 @@ struct ide_drive_s {
         unsigned long sleep;            /* sleep until this time */
         unsigned long timeout;          /* max time to wait for irq */
 
-        special_t       special;        /* special action flags */
+        u8      special_flags;          /* special action flags */
 
         u8      select;                 /* basic drive/head select reg value */
         u8      retry_pio;              /* retrying dma capable host in pio */
         u8      waiting_for_dma;        /* dma currently in progress */
         u8      dma;                    /* atapi dma flag */
 
-        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 */
@@ -565,11 +532,10 @@ struct ide_drive_s {
 
         unsigned int    bios_cyl;       /* BIOS/fdisk/LILO number of cyls */
         unsigned int    cyl;            /* "real" number of cyls */
-        unsigned int    drive_data;     /* used by set_pio_mode/dev_select() */
+        void            *drive_data;    /* used by set_pio_mode/dev_select() */
         unsigned int    failures;       /* current failure count */
         unsigned int    max_failures;   /* maximum allowed failure count */
-        u64             probed_capacity;/* initial reported media capacity (ide-cd only currently) */
-
+        u64             probed_capacity;/* initial/native media capacity */
         u64             capacity64;     /* total number of sectors */
 
         int             lun;            /* logical unit */
@@ -593,16 +559,16 @@ struct ide_drive_s {
         /* callback for packet commands */
         int  (*pc_callback)(struct ide_drive_s *, int);
 
-        void (*pc_update_buffers)(struct ide_drive_s *, struct ide_atapi_pc *);
-        int  (*pc_io_buffers)(struct ide_drive_s *, struct ide_atapi_pc *,
-                              unsigned int, int);
-
         ide_startstop_t (*irq_handler)(struct ide_drive_s *);
 
         unsigned long atapi_flags;
 
         struct ide_atapi_pc request_sense_pc;
-        struct request request_sense_rq;
+
+        /* current sense rq and buffer */
+        bool sense_rq_armed;
+        struct request sense_rq;
+        struct request_sense sense_data;
 };
 
 typedef struct ide_drive_s ide_drive_t;
@@ -663,6 +629,7 @@ struct ide_port_ops {
         void    (*maskproc)(ide_drive_t *, int);
         void    (*quirkproc)(ide_drive_t *);
         void    (*clear_irq)(ide_drive_t *);
+        int     (*test_irq)(struct hwif_s *);
 
         u8      (*mdma_filter)(ide_drive_t *);
         u8      (*udma_filter)(ide_drive_t *);
@@ -688,6 +655,10 @@ struct ide_dma_ops {
         u8      (*dma_sff_read_status)(struct hwif_s *);
 };
 
+enum {
+        IDE_PFLAG_PROBING               = (1 << 0),
+};
+
 struct ide_host;
 
 typedef struct hwif_s {
@@ -704,6 +675,8 @@ typedef struct hwif_s {
 
         ide_drive_t     *devices[MAX_DRIVES + 1];
 
+        unsigned long   port_flags;
+
         u8 major;       /* our major number */
         u8 index;       /* 0 for ide0; 1 for ide1; ... */
         u8 channel;     /* for dual-port chips: 0=primary, 1=secondary */
@@ -722,8 +695,6 @@ typedef struct hwif_s {
 
         struct device *dev;
 
-        ide_ack_intr_t *ack_intr;
-
         void (*rw_disk)(ide_drive_t *, struct request *);
 
         const struct ide_tp_ops         *tp_ops;
@@ -1091,7 +1062,6 @@ int generic_ide_ioctl(ide_drive_t *, struct block_device *, unsigned, unsigned l
 extern int ide_vlb_clk;
 extern int ide_pci_clk;
 
-unsigned int ide_rq_bytes(struct request *);
 int ide_end_rq(ide_drive_t *, struct request *, int, unsigned int);
 void ide_kill_rq(ide_drive_t *, struct request *);
 
@@ -1144,6 +1114,8 @@ void SELECT_MASK(ide_drive_t *, int);
 u8 ide_read_error(ide_drive_t *);
 void ide_read_bcount_and_ireason(ide_drive_t *, u16 *, u8 *);
 
+int ide_check_ireason(ide_drive_t *, struct request *, int, int, int);
+
 int ide_check_atapi_device(ide_drive_t *, const char *);
 
 void ide_init_pc(struct ide_atapi_pc *);
@@ -1168,13 +1140,17 @@ enum {
         REQ_IDETAPE_WRITE       = (1 << 3),
 };
 
-int ide_queue_pc_tail(ide_drive_t *, struct gendisk *, struct ide_atapi_pc *);
+int ide_queue_pc_tail(ide_drive_t *, struct gendisk *, struct ide_atapi_pc *,
+                      void *, unsigned int);
 
 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);
 void ide_create_request_sense_cmd(ide_drive_t *, struct ide_atapi_pc *);
-void ide_retry_pc(ide_drive_t *, struct gendisk *);
+void ide_retry_pc(ide_drive_t *drive);
+
+void ide_prep_sense(ide_drive_t *drive, struct request *rq);
+int ide_queue_sense_rq(ide_drive_t *drive, void *special);
 
 int ide_cd_expiry(ide_drive_t *);
 
@@ -1225,7 +1201,7 @@ static inline int ide_pci_is_in_compatibility_mode(struct pci_dev *dev)
 }
 
 void ide_pci_setup_ports(struct pci_dev *, const struct ide_port_info *,
-                         hw_regs_t *, hw_regs_t **);
+                         struct ide_hw *, struct ide_hw **);
 void ide_setup_pci_noise(struct pci_dev *, const struct ide_port_info *);
 
 #ifdef CONFIG_BLK_DEV_IDEDMA_PCI
@@ -1384,7 +1360,6 @@ int ide_in_drive_list(u16 *, const struct drive_list_entry *);
 #ifdef CONFIG_BLK_DEV_IDEDMA
 int ide_dma_good_drive(ide_drive_t *);
 int __ide_dma_bad_drive(ide_drive_t *);
-int ide_id_dma_bug(ide_drive_t *);
 
 u8 ide_find_dma_mode(ide_drive_t *, u8);
 
@@ -1425,7 +1400,6 @@ void ide_dma_lost_irq(ide_drive_t *);
 ide_startstop_t ide_dma_timeout_retry(ide_drive_t *, int);
 
 #else
-static inline int ide_id_dma_bug(ide_drive_t *drive) { return 0; }
 static inline u8 ide_find_dma_mode(ide_drive_t *drive, u8 speed) { return 0; }
 static inline u8 ide_max_dma_mode(ide_drive_t *drive) { return 0; }
 static inline void ide_dma_off_quietly(ide_drive_t *drive) { ; }
@@ -1445,6 +1419,7 @@ static inline void ide_dma_unmap_sg(ide_drive_t *drive,
 
 #ifdef CONFIG_BLK_DEV_IDEACPI
 int ide_acpi_init(void);
+bool ide_port_acpi(ide_hwif_t *hwif);
 extern int ide_acpi_exec_tfs(ide_drive_t *drive);
 extern void ide_acpi_get_timing(ide_hwif_t *hwif);
 extern void ide_acpi_push_timing(ide_hwif_t *hwif);
@@ -1453,6 +1428,7 @@ void ide_acpi_port_init_devices(ide_hwif_t *);
 extern void ide_acpi_set_state(ide_hwif_t *hwif, int on);
 #else
 static inline int ide_acpi_init(void) { return 0; }
+static inline bool ide_port_acpi(ide_hwif_t *hwif) { return 0; }
 static inline int ide_acpi_exec_tfs(ide_drive_t *drive) { return 0; }
 static inline void ide_acpi_get_timing(ide_hwif_t *hwif) { ; }
 static inline void ide_acpi_push_timing(ide_hwif_t *hwif) { ; }
@@ -1464,16 +1440,18 @@ static inline void ide_acpi_set_state(ide_hwif_t *hwif, int on) {}
 void ide_register_region(struct gendisk *);
 void ide_unregister_region(struct gendisk *);
 
+void ide_check_nien_quirk_list(ide_drive_t *);
 void ide_undecoded_slave(ide_drive_t *);
 
 void ide_port_apply_params(ide_hwif_t *);
 int ide_sysfs_register_port(ide_hwif_t *);
 
-struct ide_host *ide_host_alloc(const struct ide_port_info *, hw_regs_t **);
+struct ide_host *ide_host_alloc(const struct ide_port_info *, struct ide_hw **,
+                                unsigned int);
 void ide_host_free(struct ide_host *);
 int ide_host_register(struct ide_host *, const struct ide_port_info *,
-                      hw_regs_t **);
-int ide_host_add(const struct ide_port_info *, hw_regs_t **,
+                      struct ide_hw **);
+int ide_host_add(const struct ide_port_info *, struct ide_hw **, unsigned int,
                  struct ide_host **);
 void ide_host_remove(struct ide_host *);
 int ide_legacy_device_add(const struct ide_port_info *, unsigned long);
@@ -1533,6 +1511,7 @@ int ide_timing_compute(ide_drive_t *, u8, struct ide_timing *, int, int);
 int ide_scan_pio_blacklist(char *);
 const char *ide_xfer_verbose(u8);
 u8 ide_get_best_pio_mode(ide_drive_t *, u8, u8);
+int ide_pio_need_iordy(ide_drive_t *, const u8);
 int ide_set_pio_mode(ide_drive_t *, u8);
 int ide_set_dma_mode(ide_drive_t *, u8);
 void ide_set_pio(ide_drive_t *, u8);
@@ -1570,6 +1549,16 @@ static inline ide_drive_t *ide_get_pair_dev(ide_drive_t *drive)
         return (peer->dev_flags & IDE_DFLAG_PRESENT) ? peer : NULL;
 }
 
+static inline void *ide_get_drivedata(ide_drive_t *drive)
+{
+        return drive->drive_data;
+}
+
+static inline void ide_set_drivedata(ide_drive_t *drive, void *data)
+{
+        drive->drive_data = data;
+}
+
 #define ide_port_for_each_dev(i, dev, port) \
         for ((i) = 0; ((dev) = (port)->devices[i]) || (i) < MAX_DRIVES; (i)++)