Merge branch 'post-2.6.15' of git://brick.kernel.dk/data/git/linux-2.6-block

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

diff --git a/include/linux/ata.h b/include/linux/ata.h
index a5b74efab0679ae2a1f17dd6329596bf89c531ea..94f77cce27fa10d634b7ffdbeb415d31613833b5 100644 (file)
--- a/include/linux/ata.h
+++ b/include/linux/ata.h
@@ -42,13 +42,18 @@ enum {
        ATA_SECT_SIZE           = 512,
 
        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_FW_REV_OFS       = 23,
+       ATA_ID_PROD_OFS         = 27,
+       ATA_ID_OLD_PIO_MODES    = 51,
+       ATA_ID_FIELD_VALID      = 53,
        ATA_ID_MWDMA_MODES      = 63,
+       ATA_ID_PIO_MODES        = 64,
+       ATA_ID_EIDE_DMA_MIN     = 65,
+       ATA_ID_EIDE_PIO         = 67,
+       ATA_ID_EIDE_PIO_IORDY   = 68,
        ATA_ID_UDMA_MODES       = 88,
+       ATA_ID_MAJOR_VER        = 80,
        ATA_ID_PIO4             = (1 << 1),
 
        ATA_PCI_CTL_OFS         = 2,
@@ -124,14 +129,23 @@ enum {
        ATA_CMD_READ_EXT        = 0x25,
        ATA_CMD_WRITE           = 0xCA,
        ATA_CMD_WRITE_EXT       = 0x35,
+       ATA_CMD_WRITE_FUA_EXT   = 0x3D,
        ATA_CMD_PIO_READ        = 0x20,
        ATA_CMD_PIO_READ_EXT    = 0x24,
        ATA_CMD_PIO_WRITE       = 0x30,
        ATA_CMD_PIO_WRITE_EXT   = 0x34,
+       ATA_CMD_READ_MULTI      = 0xC4,
+       ATA_CMD_READ_MULTI_EXT  = 0x29,
+       ATA_CMD_WRITE_MULTI     = 0xC5,
+       ATA_CMD_WRITE_MULTI_EXT = 0x39,
+       ATA_CMD_WRITE_MULTI_FUA_EXT = 0xCE,
        ATA_CMD_SET_FEATURES    = 0xEF,
        ATA_CMD_PACKET          = 0xA0,
        ATA_CMD_VERIFY          = 0x40,
        ATA_CMD_VERIFY_EXT      = 0x42,
+       ATA_CMD_STANDBYNOW1     = 0xE0,
+       ATA_CMD_IDLEIMMEDIATE   = 0xE1,
+       ATA_CMD_INIT_DEV_PARAMS = 0x91,
 
        /* SETFEATURES stuff */
        SETFEATURES_XFER        = 0x03,
@@ -146,14 +160,14 @@ enum {
        XFER_MW_DMA_2           = 0x22,
        XFER_MW_DMA_1           = 0x21,
        XFER_MW_DMA_0           = 0x20,
+       XFER_SW_DMA_2           = 0x12,
+       XFER_SW_DMA_1           = 0x11,
+       XFER_SW_DMA_0           = 0x10,
        XFER_PIO_4              = 0x0C,
        XFER_PIO_3              = 0x0B,
        XFER_PIO_2              = 0x0A,
        XFER_PIO_1              = 0x09,
        XFER_PIO_0              = 0x08,
-       XFER_SW_DMA_2           = 0x12,
-       XFER_SW_DMA_1           = 0x11,
-       XFER_SW_DMA_0           = 0x10,
        XFER_PIO_SLOW           = 0x00,
 
        /* ATAPI stuff */
@@ -181,6 +195,8 @@ enum {
        ATA_TFLAG_ISADDR        = (1 << 1), /* enable r/w to nsect/lba regs */
        ATA_TFLAG_DEVICE        = (1 << 2), /* enable r/w to device reg */
        ATA_TFLAG_WRITE         = (1 << 3), /* data dir: host->dev==1 (write) */
+       ATA_TFLAG_LBA           = (1 << 4), /* enable LBA */
+       ATA_TFLAG_FUA           = (1 << 5), /* enable FUA */
 };
 
 enum ata_tf_protocols {
@@ -234,7 +250,8 @@ struct ata_taskfile {
 #define ata_id_is_sata(id)     ((id)[93] == 0)
 #define ata_id_rahead_enabled(id) ((id)[85] & (1 << 6))
 #define ata_id_wcache_enabled(id) ((id)[85] & (1 << 5))
-#define ata_id_has_flush(id) ((id)[83] & (1 << 12))
+#define ata_id_has_fua(id)     ((id)[84] & (1 << 6))
+#define ata_id_has_flush(id)   ((id)[83] & (1 << 12))
 #define ata_id_has_flush_ext(id) ((id)[83] & (1 << 13))
 #define ata_id_has_lba48(id)   ((id)[83] & (1 << 10))
 #define ata_id_has_wcache(id)  ((id)[82] & (1 << 5))
@@ -250,7 +267,19 @@ struct ata_taskfile {
          ((u64) (id)[(n) + 1] << 16) | \
          ((u64) (id)[(n) + 0]) )
 
-static inline int atapi_cdb_len(u16 *dev_id)
+static inline int ata_id_current_chs_valid(const u16 *id)
+{
+       /* For ATA-1 devices, if the INITIALIZE DEVICE PARAMETERS command 
+          has not been issued to the device then the values of 
+          id[54] to id[56] are vendor specific. */
+       return (id[53] & 0x01) && /* Current translation valid */
+               id[54] &&  /* cylinders in current translation */
+               id[55] &&  /* heads in current translation */
+               id[55] <= 16 &&
+               id[56];    /* sectors in current translation */
+}
+
+static inline int atapi_cdb_len(const u16 *dev_id)
 {
        u16 tmp = dev_id[0] & 0x3;
        switch (tmp) {
@@ -260,7 +289,7 @@ static inline int atapi_cdb_len(u16 *dev_id)
        }
 }
 
-static inline int is_atapi_taskfile(struct ata_taskfile *tf)
+static inline int is_atapi_taskfile(const struct ata_taskfile *tf)
 {
        return (tf->protocol == ATA_PROT_ATAPI) ||
               (tf->protocol == ATA_PROT_ATAPI_NODATA) ||