patch-2_6_7-vs1_9_1_12

[linux-2.6.git] / include / linux / ata.h

diff --git a/include/linux/ata.h b/include/linux/ata.h
index 33074a0..38ccb84 100644 (file)
--- a/include/linux/ata.h
+++ b/include/linux/ata.h
@@ -38,6 +38,7 @@ enum {
 
        ATA_ID_WORDS            = 256,
        ATA_ID_PROD_OFS         = 27,
+       ATA_ID_FW_REV_OFS       = 23,
        ATA_ID_SERNO_OFS        = 10,
        ATA_ID_MAJOR_VER        = 80,
        ATA_ID_PIO_MODES        = 64,
@@ -103,7 +104,10 @@ enum {
        ATA_REG_IRQ             = ATA_REG_NSECT,
 
        /* ATA device commands */
+       ATA_CMD_CHK_POWER       = 0xE5, /* check power mode */
        ATA_CMD_EDD             = 0x90, /* execute device diagnostic */
+       ATA_CMD_FLUSH           = 0xE7,
+       ATA_CMD_FLUSH_EXT       = 0xEA,
        ATA_CMD_ID_ATA          = 0xEC,
        ATA_CMD_ID_ATAPI        = 0xA1,
        ATA_CMD_READ            = 0xC8,
@@ -132,6 +136,8 @@ enum {
 
        /* ATAPI stuff */
        ATAPI_PKT_DMA           = (1 << 0),
+       ATAPI_DMADIR            = (1 << 2),     /* ATAPI data dir:
+                                                  0=to device, 1=to host */
 
        /* cable types */
        ATA_CBL_NONE            = 0,
@@ -196,9 +202,14 @@ struct ata_taskfile {
 };
 
 #define ata_id_is_ata(dev)     (((dev)->id[0] & (1 << 15)) == 0)
+#define ata_id_rahead_enabled(dev) ((dev)->id[85] & (1 << 6))
+#define ata_id_wcache_enabled(dev) ((dev)->id[85] & (1 << 5))
 #define ata_id_has_lba48(dev)  ((dev)->id[83] & (1 << 10))
+#define ata_id_has_wcache(dev) ((dev)->id[82] & (1 << 5))
+#define ata_id_has_pm(dev)     ((dev)->id[82] & (1 << 3))
 #define ata_id_has_lba(dev)    ((dev)->id[49] & (1 << 8))
 #define ata_id_has_dma(dev)    ((dev)->id[49] & (1 << 9))
+#define ata_id_removeable(dev) ((dev)->id[0] & (1 << 7))
 #define ata_id_u32(dev,n)      \
        (((u32) (dev)->id[(n) + 1] << 16) | ((u32) (dev)->id[(n)]))
 #define ata_id_u64(dev,n)      \
@@ -207,4 +218,10 @@ struct ata_taskfile {
          ((u64) dev->id[(n) + 1] << 16) |      \
          ((u64) dev->id[(n) + 0]) )
 
+static inline int is_atapi_taskfile(struct ata_taskfile *tf)
+{
+       return (tf->protocol == ATA_PROT_ATAPI) ||
+              (tf->protocol == ATA_PROT_ATAPI_DMA);
+}
+
 #endif /* __LINUX_ATA_H__ */