]> www.pilppa.org Git - linux-2.6-omap-h63xx.git/blobdiff - include/linux/ide.h
ide: merge all TASKFILE_NO_DATA data phase handlers into taskfile_no_intr()
[linux-2.6-omap-h63xx.git] / include / linux / ide.h
index a5e1888b1dab08a30ea858d60e0bf06dd176ce47..14d489c2e5a909095b64a627d4a1d7e347248553 100644 (file)
@@ -282,6 +282,110 @@ typedef enum {
        ide_started,    /* a drive operation was started, handler was set */
 } ide_startstop_t;
 
+enum {
+       IDE_TFLAG_LBA48                 = (1 << 0),
+       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_FEATURE            = (1 << 1),
+       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),
+       IDE_TFLAG_HOB                   = IDE_TFLAG_OUT_HOB |
+                                         IDE_TFLAG_IN_HOB,
+       IDE_TFLAG_TF                    = IDE_TFLAG_OUT_TF |
+                                         IDE_TFLAG_IN_TF,
+       IDE_TFLAG_DEVICE                = IDE_TFLAG_OUT_DEVICE |
+                                         IDE_TFLAG_IN_DEVICE,
+       /* force 16-bit I/O operations */
+       IDE_TFLAG_IO_16BIT              = (1 << 30),
+       /* ide_task_t was allocated using kmalloc() */
+       IDE_TFLAG_DYN                   = (1 << 31),
+};
+
+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 {
+       union {
+               struct ide_taskfile     tf;
+               u8                      tf_array[14];
+       };
+       u32                     tf_flags;
+       int                     data_phase;
+       struct request          *rq;            /* copy of request */
+       void                    *special;       /* valid_t generally */
+} ide_task_t;
+
 /* ATAPI packet command flags */
 enum {
        /* set when an error is considered normal - no retry (ide-tape) */
@@ -567,7 +671,6 @@ typedef struct ide_drive_s ide_drive_t;
 #define ide_drv_g(disk, cont_type)     \
        container_of((disk)->private_data, struct cont_type, driver)
 
-struct ide_task_s;
 struct ide_port_info;
 
 struct ide_tp_ops {
@@ -694,6 +797,8 @@ typedef struct hwif_s {
        /* data phase of the active command (currently only valid for PIO/DMA) */
        int             data_phase;
 
+       struct ide_task_s task;         /* current command */
+
        unsigned int nsect;
        unsigned int nleft;
        struct scatterlist *cursg;
@@ -1059,110 +1164,6 @@ extern void ide_do_drive_cmd(ide_drive_t *, struct request *);
 
 extern void ide_end_drive_cmd(ide_drive_t *, u8, u8);
 
-enum {
-       IDE_TFLAG_LBA48                 = (1 << 0),
-       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_FEATURE            = (1 << 1),
-       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),
-       IDE_TFLAG_HOB                   = IDE_TFLAG_OUT_HOB |
-                                         IDE_TFLAG_IN_HOB,
-       IDE_TFLAG_TF                    = IDE_TFLAG_OUT_TF |
-                                         IDE_TFLAG_IN_TF,
-       IDE_TFLAG_DEVICE                = IDE_TFLAG_OUT_DEVICE |
-                                         IDE_TFLAG_IN_DEVICE,
-       /* force 16-bit I/O operations */
-       IDE_TFLAG_IO_16BIT              = (1 << 30),
-       /* ide_task_t was allocated using kmalloc() */
-       IDE_TFLAG_DYN                   = (1 << 31),
-};
-
-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 {
-       union {
-               struct ide_taskfile     tf;
-               u8                      tf_array[14];
-       };
-       u32                     tf_flags;
-       int                     data_phase;
-       struct request          *rq;            /* copy of request */
-       void                    *special;       /* valid_t generally */
-} ide_task_t;
-
 void ide_tf_dump(const char *, struct ide_taskfile *);
 
 void ide_exec_command(ide_hwif_t *, u8);