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authorLin Ming <ming.m.lin@intel.com>2012-06-25 16:13:08 +0800
committerJeff Garzik <jgarzik@redhat.com>2012-06-29 11:38:17 -0400
commitb1354cbb5bfce28f2e1ed28d77b362dfdfca638d (patch)
tree0784fe570bc70663207f56a214f0ff529962bdc6 /include/linux/ata.h
parenta606dac368eed5696fb38e16b1394f1d049c09e9 (diff)
downloadop-kernel-dev-b1354cbb5bfce28f2e1ed28d77b362dfdfca638d.zip
op-kernel-dev-b1354cbb5bfce28f2e1ed28d77b362dfdfca638d.tar.gz
libata: detect Device Attention support
Add a new flag ATA_DFLAG_DA to indicate that device supports "Device Attention". Acked-by: Aaron Lu <aaron.lu@amd.com> Signed-off-by: Lin Ming <ming.m.lin@intel.com> Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
Diffstat (limited to 'include/linux/ata.h')
-rw-r--r--include/linux/ata.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/include/linux/ata.h b/include/linux/ata.h
index 32df2b6..5713d3a 100644
--- a/include/linux/ata.h
+++ b/include/linux/ata.h
@@ -578,6 +578,7 @@ static inline int ata_is_data(u8 prot)
((u64) (id)[(n) + 0]) )
#define ata_id_cdb_intr(id) (((id)[ATA_ID_CONFIG] & 0x60) == 0x20)
+#define ata_id_has_da(id) ((id)[77] & (1 << 4))
static inline bool ata_id_has_hipm(const u16 *id)
{
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