Merge branch 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/aegl/linux-2.6

[cascardo/linux.git] / include / linux / ata.h

diff --git a/include/linux/ata.h b/include/linux/ata.h
index 8263a7b..72ab808 100644 (file)
--- a/include/linux/ata.h
+++ b/include/linux/ata.h
@@ -43,6 +43,7 @@ enum {
        ATA_MAX_SECTORS_128     = 128,
        ATA_MAX_SECTORS         = 256,
        ATA_MAX_SECTORS_LBA48   = 65535,/* TODO: 65536? */
+       ATA_MAX_SECTORS_TAPE    = 65535,
 
        ATA_ID_WORDS            = 256,
        ATA_ID_SERNO            = 10,
@@ -180,6 +181,7 @@ enum {
        ATA_CMD_VERIFY_EXT      = 0x42,
        ATA_CMD_STANDBYNOW1     = 0xE0,
        ATA_CMD_IDLEIMMEDIATE   = 0xE1,
+       ATA_CMD_SLEEP           = 0xE6,
        ATA_CMD_INIT_DEV_PARAMS = 0x91,
        ATA_CMD_READ_NATIVE_MAX = 0xF8,
        ATA_CMD_READ_NATIVE_MAX_EXT = 0x27,
@@ -188,6 +190,8 @@ enum {
        ATA_CMD_READ_LOG_EXT    = 0x2f,
        ATA_CMD_PMP_READ        = 0xE4,
        ATA_CMD_PMP_WRITE       = 0xE8,
+       ATA_CMD_CONF_OVERLAY    = 0xB1,
+       ATA_CMD_SEC_FREEZE_LOCK = 0xF5,
 
        /* READ_LOG_EXT pages */
        ATA_LOG_SATA_NCQ        = 0x10,
@@ -235,6 +239,20 @@ enum {
 
        /* SETFEATURE Sector counts for SATA features */
        SATA_AN                 = 0x05,  /* Asynchronous Notification */
+       SATA_DIPM               = 0x03,  /* Device Initiated Power Management */
+
+       /* feature values for SET_MAX */
+       ATA_SET_MAX_ADDR        = 0x00,
+       ATA_SET_MAX_PASSWD      = 0x01,
+       ATA_SET_MAX_LOCK        = 0x02,
+       ATA_SET_MAX_UNLOCK      = 0x03,
+       ATA_SET_MAX_FREEZE_LOCK = 0x04,
+
+       /* feature values for DEVICE CONFIGURATION OVERLAY */
+       ATA_DCO_RESTORE         = 0xC0,
+       ATA_DCO_FREEZE_LOCK     = 0xC1,
+       ATA_DCO_IDENTIFY        = 0xC2,
+       ATA_DCO_SET             = 0xC3,
 
        /* ATAPI stuff */
        ATAPI_PKT_DMA           = (1 << 0),
@@ -377,6 +395,26 @@ struct ata_taskfile {
 
 #define ata_id_cdb_intr(id)    (((id)[0] & 0x60) == 0x20)
 
+static inline bool ata_id_has_hipm(const u16 *id)
+{
+       u16 val = id[76];
+
+       if (val == 0 || val == 0xffff)
+               return false;
+
+       return val & (1 << 9);
+}
+
+static inline bool ata_id_has_dipm(const u16 *id)
+{
+       u16 val = id[78];
+
+       if (val == 0 || val == 0xffff)
+               return false;
+
+       return val & (1 << 3);
+}
+
 static inline int ata_id_has_fua(const u16 *id)
 {
        if ((id[84] & 0xC000) != 0x4000)
@@ -402,6 +440,8 @@ static inline int ata_id_has_lba48(const u16 *id)
 {
        if ((id[83] & 0xC000) != 0x4000)
                return 0;
+       if (!ata_id_u64(id, 100))
+               return 0;
        return id[83] & (1 << 10);
 }
 
@@ -512,6 +552,15 @@ static inline int ata_drive_40wire(const u16 *dev_id)
        return 1;
 }
 
+static inline int ata_drive_40wire_relaxed(const u16 *dev_id)
+{
+       if (ata_id_is_sata(dev_id))
+               return 0;       /* SATA */
+       if ((dev_id[93] & 0x2000) == 0x2000)
+               return 0;       /* 80 wire */
+       return 1;
+}
+
 static inline int atapi_cdb_len(const u16 *dev_id)
 {
        u16 tmp = dev_id[0] & 0x3;
@@ -522,6 +571,11 @@ static inline int atapi_cdb_len(const u16 *dev_id)
        }
 }
 
+static inline int atapi_command_packet_set(const u16 *dev_id)
+{
+       return (dev_id[0] >> 8) & 0x1f;
+}
+
 static inline int is_atapi_taskfile(const struct ata_taskfile *tf)
 {
        return (tf->protocol == ATA_PROT_ATAPI) ||