vserver 1.9.3

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

diff --git a/include/linux/ata.h b/include/linux/ata.h
index 33074a0..af91795 100644 (file)
--- a/include/linux/ata.h
+++ b/include/linux/ata.h
@@ -38,9 +38,11 @@ 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,
+       ATA_ID_MWDMA_MODES      = 63,
        ATA_ID_UDMA_MODES       = 88,
        ATA_ID_PIO4             = (1 << 1),
 
@@ -77,9 +79,11 @@ enum {
        ATA_NIEN                = (1 << 1),     /* disable-irq flag */
        ATA_LBA                 = (1 << 6),     /* LBA28 selector */
        ATA_DEV1                = (1 << 4),     /* Select Device 1 (slave) */
-       ATA_BUSY                = (1 << 7),     /* BSY status bit */
        ATA_DEVICE_OBS          = (1 << 7) | (1 << 5), /* obs bits in dev reg */
        ATA_DEVCTL_OBS          = (1 << 3),     /* obsolete bit in devctl reg */
+       ATA_BUSY                = (1 << 7),     /* BSY status bit */
+       ATA_DRDY                = (1 << 6),     /* device ready */
+       ATA_DF                  = (1 << 5),     /* device fault */
        ATA_DRQ                 = (1 << 3),     /* data request i/o */
        ATA_ERR                 = (1 << 0),     /* have an error */
        ATA_SRST                = (1 << 2),     /* software reset */
@@ -103,7 +107,10 @@ 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,
@@ -127,11 +134,20 @@ enum {
        XFER_UDMA_2             = 0x42,
        XFER_UDMA_1             = 0x41,
        XFER_UDMA_0             = 0x40,
+       XFER_MW_DMA_2           = 0x22,
+       XFER_MW_DMA_1           = 0x21,
+       XFER_MW_DMA_0           = 0x20,
        XFER_PIO_4              = 0x0C,
        XFER_PIO_3              = 0x0B,
+       XFER_PIO_2              = 0x0A,
+       XFER_PIO_1              = 0x09,
+       XFER_PIO_0              = 0x08,
 
        /* ATAPI stuff */
        ATAPI_PKT_DMA           = (1 << 0),
+       ATAPI_DMADIR            = (1 << 2),     /* ATAPI data dir:
+                                                  0=to device, 1=to host */
+       ATAPI_CDB_LEN           = 16,
 
        /* cable types */
        ATA_CBL_NONE            = 0,
@@ -161,16 +177,22 @@ enum ata_tf_protocols {
        ATA_PROT_PIO,           /* PIO single sector */
        ATA_PROT_PIO_MULT,      /* PIO multiple sector */
        ATA_PROT_DMA,           /* DMA */
-       ATA_PROT_ATAPI,         /* packet command */
+       ATA_PROT_ATAPI,         /* packet command, PIO data xfer*/
+       ATA_PROT_ATAPI_NODATA,  /* packet command, no data */
        ATA_PROT_ATAPI_DMA,     /* packet command with special DMA sauce */
 };
 
+enum ata_ioctls {
+       ATA_IOC_GET_IO32        = 0x309,
+       ATA_IOC_SET_IO32        = 0x324,
+};
+
 /* core structures */
 
 struct ata_prd {
        u32                     addr;
        u32                     flags_len;
-} __attribute__((packed));
+};
 
 struct ata_taskfile {
        unsigned long           flags;          /* ATA_TFLAG_xxx */
@@ -196,9 +218,16 @@ 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_flush(dev) ((dev)->id[83] & (1 << 12))
+#define ata_id_has_flush_ext(dev) ((dev)->id[83] & (1 << 13))
 #define ata_id_has_lba48(dev)  ((dev)->id[83] & (1 << 10))
-#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_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 << 9))
+#define ata_id_has_dma(dev)    ((dev)->id[49] & (1 << 8))
+#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 +236,27 @@ struct ata_taskfile {
          ((u64) dev->id[(n) + 1] << 16) |      \
          ((u64) dev->id[(n) + 0]) )
 
+static inline int atapi_cdb_len(u16 *dev_id)
+{
+       u16 tmp = dev_id[0] & 0x3;
+       switch (tmp) {
+       case 0:         return 12;
+       case 1:         return 16;
+       default:        return -1;
+       }
+}
+
+static inline int is_atapi_taskfile(struct ata_taskfile *tf)
+{
+       return (tf->protocol == ATA_PROT_ATAPI) ||
+              (tf->protocol == ATA_PROT_ATAPI_NODATA) ||
+              (tf->protocol == ATA_PROT_ATAPI_DMA);
+}
+
+static inline int ata_ok(u8 status)
+{
+       return ((status & (ATA_BUSY | ATA_DRDY | ATA_DF | ATA_DRQ | ATA_ERR))
+                       == ATA_DRDY);
+}
+
 #endif /* __LINUX_ATA_H__ */