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authorShaohua Li <shaohua.li@intel.com>2009-07-27 09:24:35 +0800
committerJeff Garzik <jgarzik@redhat.com>2009-09-01 19:47:19 -0400
commit388539f3ff0cf1de926b03f94e1eec112358f74d (patch)
tree6840b76ede7e27e27eb9aaf516f827beba16c5ad /include/linux/ata.h
parent2fc37adba0fb05760b8635c6706773af828ccf3c (diff)
downloadop-kernel-dev-388539f3ff0cf1de926b03f94e1eec112358f74d.zip
op-kernel-dev-388539f3ff0cf1de926b03f94e1eec112358f74d.tar.gz
[libata] add DMA setup FIS auto-activate feature
Hopefully results in fewer on-the-wire FIS's and no breakage. We'll see! Signed-off-by: Shaohua Li <shaohua.li@intel.com> Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
Diffstat (limited to 'include/linux/ata.h')
-rw-r--r--include/linux/ata.h4
1 files changed, 4 insertions, 0 deletions
diff --git a/include/linux/ata.h b/include/linux/ata.h
index 9c75921..f549405 100644
--- a/include/linux/ata.h
+++ b/include/linux/ata.h
@@ -306,6 +306,7 @@ enum {
/* SETFEATURE Sector counts for SATA features */
SATA_AN = 0x05, /* Asynchronous Notification */
SATA_DIPM = 0x03, /* Device Initiated Power Management */
+ SATA_FPDMA_AA = 0x02, /* DMA Setup FIS Auto-Activate */
/* feature values for SET_MAX */
ATA_SET_MAX_ADDR = 0x00,
@@ -525,6 +526,9 @@ static inline int ata_is_data(u8 prot)
#define ata_id_has_atapi_AN(id) \
( (((id)[76] != 0x0000) && ((id)[76] != 0xffff)) && \
((id)[78] & (1 << 5)) )
+#define ata_id_has_fpdma_aa(id) \
+ ( (((id)[76] != 0x0000) && ((id)[76] != 0xffff)) && \
+ ((id)[78] & (1 << 2)) )
#define ata_id_iordy_disable(id) ((id)[ATA_ID_CAPABILITY] & (1 << 10))
#define ata_id_has_iordy(id) ((id)[ATA_ID_CAPABILITY] & (1 << 11))
#define ata_id_u32(id,n) \
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