Gitweb:
http://git.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=814600ee10d3c056ada315cdbdc2ebe48f54c75a
Commit: 814600ee10d3c056ada315cdbdc2ebe48f54c75a
Parent: fee7ca72d3dae1078031b6fd272b9930f43bd3d1
Author: Tejun Heo <[EMAIL PROTECTED]>
AuthorDate: Sun Jul 1 19:05:58 2007 +0900
Committer: Jeff Garzik <[EMAIL PROTECTED]>
CommitDate: Tue Jul 10 21:46:03 2007 -0400
libata-link: add PMP related ATA constants
Add Port Multiplier related ATA constants and macros. Some of these
will be used by ata_link implementation.
Signed-off-by: Tejun Heo <[EMAIL PROTECTED]>
Signed-off-by: Jeff Garzik <[EMAIL PROTECTED]>
---
include/linux/ata.h | 29 +++++++++++++++++++++++++++++
1 files changed, 29 insertions(+), 0 deletions(-)
diff --git a/include/linux/ata.h b/include/linux/ata.h
index 407dc7e..b5a2016 100644
--- a/include/linux/ata.h
+++ b/include/linux/ata.h
@@ -164,6 +164,8 @@ enum {
ATA_CMD_SET_MAX = 0xF9,
ATA_CMD_SET_MAX_EXT = 0x37,
ATA_CMD_READ_LOG_EXT = 0x2f,
+ ATA_CMD_PMP_READ = 0xE4,
+ ATA_CMD_PMP_WRITE = 0xE8,
/* READ_LOG_EXT pages */
ATA_LOG_SATA_NCQ = 0x10,
@@ -212,6 +214,28 @@ enum {
0=to device, 1=to host */
ATAPI_CDB_LEN = 16,
+ /* PMP stuff */
+ SATA_PMP_MAX_PORTS = 15,
+ SATA_PMP_CTRL_PORT = 15,
+
+ SATA_PMP_GSCR_DWORDS = 128,
+ SATA_PMP_GSCR_PROD_ID = 0,
+ SATA_PMP_GSCR_REV = 1,
+ SATA_PMP_GSCR_PORT_INFO = 2,
+ SATA_PMP_GSCR_ERROR = 32,
+ SATA_PMP_GSCR_ERROR_EN = 33,
+ SATA_PMP_GSCR_FEAT = 64,
+ SATA_PMP_GSCR_FEAT_EN = 96,
+
+ SATA_PMP_PSCR_STATUS = 0,
+ SATA_PMP_PSCR_ERROR = 1,
+ SATA_PMP_PSCR_CONTROL = 2,
+
+ SATA_PMP_FEAT_BIST = (1 << 0),
+ SATA_PMP_FEAT_PMREQ = (1 << 1),
+ SATA_PMP_FEAT_DYNSSC = (1 << 2),
+ SATA_PMP_FEAT_NOTIFY = (1 << 3),
+
/* cable types */
ATA_CBL_NONE = 0,
ATA_CBL_PATA40 = 1,
@@ -418,4 +442,9 @@ static inline int lba_48_ok(u64 block, u32 n_block)
return ((block + n_block - 1) < ((u64)1 << 48)) && (n_block <= 65536);
}
+#define sata_pmp_gscr_vendor(gscr) ((gscr)[SATA_PMP_GSCR_PROD_ID] & 0xffff)
+#define sata_pmp_gscr_devid(gscr) ((gscr)[SATA_PMP_GSCR_PROD_ID] >> 16)
+#define sata_pmp_gscr_rev(gscr) (((gscr)[SATA_PMP_GSCR_REV] >>
8) & 0xff)
+#define sata_pmp_gscr_ports(gscr) ((gscr)[SATA_PMP_GSCR_PORT_INFO] & 0xf)
+
#endif /* __LINUX_ATA_H__ */
-
To unsubscribe from this list: send the line "unsubscribe git-commits-head" in
the body of a message to [EMAIL PROTECTED]
More majordomo info at http://vger.kernel.org/majordomo-info.html
