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| author | Kristen Carlson Accardi <kristen.c.accardi@intel.com> | 2007-08-15 03:57:11 -0400 |
|---|---|---|
| committer | Jeff Garzik <jeff@garzik.org> | 2007-10-12 14:55:33 -0400 |
| commit | 9f45cbd3f0fc597530aaf85cad7fe52cd63f1fd8 (patch) | |
| tree | 44f9f11250f7629e7091b1532489d7a6539f758a /include/linux/ata.h | |
| parent | 05d1efffdc9bf84311bb1a3c2e3db55b544ca119 (diff) | |
| download | op-kernel-dev-9f45cbd3f0fc597530aaf85cad7fe52cd63f1fd8.zip op-kernel-dev-9f45cbd3f0fc597530aaf85cad7fe52cd63f1fd8.tar.gz | |
[libata] check for SATA async notify support
Check to see if an ATAPI device supports Asynchronous Notification.
If so, enable it, if the host controller supports AN.
Signed-off-by: Kristen Carlson Accardi <kristen.c.accardi@intel.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
Diffstat (limited to 'include/linux/ata.h')
| -rw-r--r-- | include/linux/ata.h | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/include/linux/ata.h b/include/linux/ata.h index 40c7af0..fba8e14 100644 --- a/include/linux/ata.h +++ b/include/linux/ata.h @@ -230,6 +230,12 @@ enum { SETFEATURES_SPINUP = 0x07, /* Spin-up drive */ + SETFEATURES_SATA_ENABLE = 0x10, /* Enable use of SATA feature */ + SETFEATURES_SATA_DISABLE = 0x90, /* Disable use of SATA feature */ + + /* SETFEATURE Sector counts for SATA features */ + SATA_AN = 0x05, /* Asynchronous Notification */ + /* ATAPI stuff */ ATAPI_PKT_DMA = (1 << 0), ATAPI_DMADIR = (1 << 2), /* ATAPI data dir: @@ -357,6 +363,9 @@ struct ata_taskfile { #define ata_id_queue_depth(id) (((id)[75] & 0x1f) + 1) #define ata_id_removeable(id) ((id)[0] & (1 << 7)) #define ata_id_has_dword_io(id) ((id)[50] & (1 << 0)) +#define ata_id_has_AN(id) \ + ( (((id)[76] != 0x0000) && ((id)[76] != 0xffff)) && \ + ((id)[78] & (1 << 5)) ) #define ata_id_iordy_disable(id) ((id)[49] & (1 << 10)) #define ata_id_has_iordy(id) ((id)[49] & (1 << 11)) #define ata_id_u32(id,n) \ |
