diff options
| 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 | |
| parent | [libata] sata_sil: disable DMA engine in sil_freeze() (diff) | |
| download | linux-dev-388539f3ff0cf1de926b03f94e1eec112358f74d.tar.xz linux-dev-388539f3ff0cf1de926b03f94e1eec112358f74d.zip | |
[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')
| -rw-r--r-- | include/linux/ata.h | 4 | ||||
| -rw-r--r-- | include/linux/libata.h | 2 |
2 files changed, 6 insertions, 0 deletions
diff --git a/include/linux/ata.h b/include/linux/ata.h index 9c75921f0c16..f5494050df83 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) \ diff --git a/include/linux/libata.h b/include/linux/libata.h index e5b6e33c6571..d3f7cab4873e 100644 --- a/include/linux/libata.h +++ b/include/linux/libata.h @@ -190,6 +190,7 @@ enum { ATA_FLAG_NO_POWEROFF_SPINDOWN = (1 << 11), /* don't spindown before poweroff */ ATA_FLAG_NO_HIBERNATE_SPINDOWN = (1 << 12), /* don't spindown before hibernation */ ATA_FLAG_DEBUGMSG = (1 << 13), + ATA_FLAG_FPDMA_AA = (1 << 14), /* driver supports Auto-Activate */ ATA_FLAG_IGN_SIMPLEX = (1 << 15), /* ignore SIMPLEX */ ATA_FLAG_NO_IORDY = (1 << 16), /* controller lacks iordy */ ATA_FLAG_ACPI_SATA = (1 << 17), /* need native SATA ACPI layout */ @@ -386,6 +387,7 @@ enum { ATA_HORKAGE_FIRMWARE_WARN = (1 << 12), /* firmware update warning */ ATA_HORKAGE_1_5_GBPS = (1 << 13), /* force 1.5 Gbps */ ATA_HORKAGE_NOSETXFER = (1 << 14), /* skip SETXFER, SATA only */ + ATA_HORKAGE_BROKEN_FPDMA_AA = (1 << 15), /* skip AA */ /* DMA mask for user DMA control: User visible values; DO NOT renumber */ |