Merge branch 'upstream' of master.kernel.org:/pub/scm/linux/kernel/git/jgarzik/libata-dev

1 files changed, 32 insertions, 9 deletions

diff --git a/include/linux/ata.h b/include/linux/ata.h
index a5b74efab067..d2873b732bb1 100644
--- 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,
@@ -128,10 +133,15 @@ enum {
         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_SET_FEATURES    = 0xEF,
         ATA_CMD_PACKET          = 0xA0,
         ATA_CMD_VERIFY          = 0x40,
         ATA_CMD_VERIFY_EXT      = 0x42,
+        ATA_CMD_INIT_DEV_PARAMS = 0x91,
 
         /* SETFEATURES stuff */
         SETFEATURES_XFER        = 0x03,
@@ -146,14 +156,14 @@ 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 +191,7 @@ 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 */
 };
 
 enum ata_tf_protocols {
@@ -250,7 +261,19 @@ 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 +283,7 @@ 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) ||