summaryrefslogtreecommitdiff
path: root/drivers/scsi/ahci.c
diff options
context:
space:
mode:
authorTejun Heo <htejun@gmail.com>2006-01-23 15:38:44 +0300
committerJeff Garzik <jgarzik@pobox.com>2006-01-27 07:08:52 +0300
commit22b49985f526796471c074c0e56bcebfd633a6ff (patch)
tree4e4033c1d9e01b4f5338349dd40ad3a4868f69c6 /drivers/scsi/ahci.c
parente0bfd149973d22a4330dd6665b54d1dcca07174a (diff)
downloadlinux-22b49985f526796471c074c0e56bcebfd633a6ff.tar.xz
[PATCH] ahci: add constants for SRST
Add constants needed to perform SRST. This is preparation for adding softreset method. Signed-off-by: Tejun Heo <htejun@gmail.com> Signed-off-by: Jeff Garzik <jgarzik@pobox.com>
Diffstat (limited to 'drivers/scsi/ahci.c')
-rw-r--r--drivers/scsi/ahci.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/scsi/ahci.c b/drivers/scsi/ahci.c
index 2abc0aca5a8d..5caf6dec1d40 100644
--- a/drivers/scsi/ahci.c
+++ b/drivers/scsi/ahci.c
@@ -66,6 +66,8 @@ enum {
AHCI_IRQ_ON_SG = (1 << 31),
AHCI_CMD_ATAPI = (1 << 5),
AHCI_CMD_WRITE = (1 << 6),
+ AHCI_CMD_RESET = (1 << 8),
+ AHCI_CMD_CLR_BUSY = (1 << 10),
RX_FIS_D2H_REG = 0x40, /* offset of D2H Register FIS data */
@@ -85,6 +87,7 @@ enum {
/* HOST_CAP bits */
HOST_CAP_64 = (1 << 31), /* PCI DAC (64-bit DMA) support */
+ HOST_CAP_CLO = (1 << 24), /* Command List Override support */
/* registers for each SATA port */
PORT_LST_ADDR = 0x00, /* command list DMA addr */
@@ -138,6 +141,7 @@ enum {
PORT_CMD_LIST_ON = (1 << 15), /* cmd list DMA engine running */
PORT_CMD_FIS_ON = (1 << 14), /* FIS DMA engine running */
PORT_CMD_FIS_RX = (1 << 4), /* Enable FIS receive DMA engine */
+ PORT_CMD_CLO = (1 << 3), /* Command list override */
PORT_CMD_POWER_ON = (1 << 2), /* Power up device */
PORT_CMD_SPIN_UP = (1 << 1), /* Spin up device */
PORT_CMD_START = (1 << 0), /* Enable port DMA engine */