sched: add fair-user scheduler

[linux-2.6-omap-h63xx.git] / include / linux / ide.h

diff --git a/include/linux/ide.h b/include/linux/ide.h
index b9f66c10caa04b26a413fb450ce8237d91c74e5a..02a27e8cbad2b250becd2edeb7d3c40102ac40bd 100644 (file)
--- a/include/linux/ide.h
+++ b/include/linux/ide.h
@@ -634,7 +634,7 @@ typedef 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;     /* use by tuneproc/selectproc */
+       unsigned int    drive_data;     /* used by set_pio_mode/selectproc */
        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) */
@@ -681,7 +681,7 @@ typedef struct hwif_s {
        u8 straight8;   /* Alan's straight 8 check */
        u8 bus_state;   /* power state of the IDE bus */
 
-       u8 host_flags;
+       u16 host_flags;
 
        u8 pio_mask;
 
@@ -702,10 +702,10 @@ typedef struct hwif_s {
 #if 0
        ide_hwif_ops_t  *hwifops;
 #else
-       /* routine to tune PIO mode for drives */
-       void    (*tuneproc)(ide_drive_t *, u8);
-       /* routine to retune DMA modes for drives */
-       int     (*speedproc)(ide_drive_t *, u8);
+       /* routine to program host for PIO mode */
+       void    (*set_pio_mode)(ide_drive_t *, const u8);
+       /* routine to program host for DMA mode */
+       void    (*set_dma_mode)(ide_drive_t *, const u8);
        /* tweaks hardware to select drive */
        void    (*selectproc)(ide_drive_t *);
        /* chipset polling based on hba specifics */
@@ -723,6 +723,7 @@ typedef struct hwif_s {
        /* driver soft-power interface */
        int     (*busproc)(ide_drive_t *, int);
 #endif
+       u8 (*mdma_filter)(ide_drive_t *);
        u8 (*udma_filter)(ide_drive_t *);
 
        void (*ata_input_data)(ide_drive_t *, void *, u32);
@@ -1078,16 +1079,7 @@ extern void ide_fix_driveid(struct hd_driveid *);
  */
 extern void ide_fixstring(u8 *, const int, const int);
 
-/*
- * This routine busy-waits for the drive status to be not "busy".
- * It then checks the status for all of the "good" bits and none
- * of the "bad" bits, and if all is okay it returns 0.  All other
- * cases return 1 after doing "*startstop = ide_error()", and the
- * caller should return the updated value of "startstop" in this case.
- * "startstop" is unchanged when the function returns 0;
- * (startstop, drive, good, bad, timeout)
- */
-extern int ide_wait_stat(ide_startstop_t *, ide_drive_t *, u8, u8, unsigned long);
+int ide_wait_stat(ide_startstop_t *, ide_drive_t *, u8, u8, unsigned long);
 
 /*
  * Start a reset operation for an IDE interface.
@@ -1161,7 +1153,6 @@ extern void SELECT_MASK(ide_drive_t *, int);
 extern void QUIRK_LIST(ide_drive_t *);
 
 extern int drive_is_ready(ide_drive_t *);
-extern int wait_for_ready(ide_drive_t *, int /* timeout */);
 
 /*
  * taskfile io for disks for now...and builds request from ide_ioctl
@@ -1255,6 +1246,21 @@ enum {
        IDE_HFLAG_PIO_NO_BLACKLIST      = (1 << 2),
        /* don't use conservative PIO "downgrade" */
        IDE_HFLAG_PIO_NO_DOWNGRADE      = (1 << 3),
+       /* use PIO8/9 for prefetch off/on */
+       IDE_HFLAG_ABUSE_PREFETCH        = (1 << 4),
+       /* use PIO6/7 for fast-devsel off/on */
+       IDE_HFLAG_ABUSE_FAST_DEVSEL     = (1 << 5),
+       /* use 100-102 and 200-202 PIO values to set DMA modes */
+       IDE_HFLAG_ABUSE_DMA_MODES       = (1 << 6),
+       /*
+        * keep DMA setting when programming PIO mode, may be used only
+        * for hosts which have separate PIO and DMA timings (ie. PMAC)
+        */
+       IDE_HFLAG_SET_PIO_MODE_KEEP_DMA = (1 << 7),
+       /* program host for the transfer mode after programming device */
+       IDE_HFLAG_POST_SET_MODE         = (1 << 8),
+       /* don't program host/device for the transfer mode ("smart" hosts) */
+       IDE_HFLAG_NO_SET_MODE           = (1 << 9),
 };
 
 typedef struct ide_pci_device_s {
@@ -1271,7 +1277,7 @@ typedef struct ide_pci_device_s {
        u8                      bootable;
        unsigned int            extra;
        struct ide_pci_device_s *next;
-       u8                      host_flags;
+       u16                     host_flags;
        u8                      pio_mask;
        u8                      udma_mask;
 } ide_pci_device_t;
@@ -1294,8 +1300,14 @@ int ide_in_drive_list(struct hd_driveid *, const struct drive_list_entry *);
 
 #ifdef CONFIG_BLK_DEV_IDEDMA
 int __ide_dma_bad_drive(ide_drive_t *);
-int __ide_dma_good_drive(ide_drive_t *);
-u8 ide_max_dma_mode(ide_drive_t *);
+
+u8 ide_find_dma_mode(ide_drive_t *, u8);
+
+static inline u8 ide_max_dma_mode(ide_drive_t *drive)
+{
+       return ide_find_dma_mode(drive, XFER_UDMA_6);
+}
+
 int ide_tune_dma(ide_drive_t *);
 void ide_dma_off(ide_drive_t *);
 void ide_dma_verbose(ide_drive_t *);
@@ -1321,6 +1333,7 @@ extern void ide_dma_timeout(ide_drive_t *);
 #endif /* CONFIG_BLK_DEV_IDEDMA_PCI */
 
 #else
+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 int ide_tune_dma(ide_drive_t *drive) { return 0; }
 static inline void ide_dma_off(ide_drive_t *drive) { ; }
@@ -1337,11 +1350,13 @@ 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);
 extern void ide_acpi_init(ide_hwif_t *hwif);
+extern void ide_acpi_set_state(ide_hwif_t *hwif, int on);
 #else
 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) { ; }
 static inline void ide_acpi_init(ide_hwif_t *hwif) { ; }
+static inline void ide_acpi_set_state(ide_hwif_t *hwif, int on) {}
 #endif
 
 extern int ide_hwif_request_regions(ide_hwif_t *hwif);
@@ -1367,7 +1382,6 @@ static inline void ide_set_hwifdata (ide_hwif_t * hwif, void *data)
 }
 
 /* ide-lib.c */
-u8 ide_rate_filter(ide_drive_t *, u8);
 extern char *ide_xfer_verbose(u8 xfer_rate);
 extern void ide_toggle_bounce(ide_drive_t *drive, int on);
 extern int ide_set_xfer_rate(ide_drive_t *drive, u8 rate);
@@ -1404,6 +1418,15 @@ unsigned int ide_pio_cycle_time(ide_drive_t *, u8);
 u8 ide_get_best_pio_mode(ide_drive_t *, u8, u8);
 extern const ide_pio_timings_t ide_pio_timings[6];
 
+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);
+
+static inline void ide_set_max_pio(ide_drive_t *drive)
+{
+       ide_set_pio(drive, 255);
+}
 
 extern spinlock_t ide_lock;
 extern struct mutex ide_cfg_mtx;