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| author | Shaohua Li <shaohua.li@intel.com> | 2009-07-27 09:24:35 +0800 |
|---|---|---|
| committer | Jeff Garzik <jgarzik@redhat.com> | 2009-09-01 19:47:19 -0400 |
| commit | 388539f3ff0cf1de926b03f94e1eec112358f74d (patch) | |
| tree | 6840b76ede7e27e27eb9aaf516f827beba16c5ad /include/linux/ata.h | |
| parent | 2fc37adba0fb05760b8635c6706773af828ccf3c (diff) | |
| download | op-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.h | 4 |
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) \ |
