summaryrefslogtreecommitdiffstats
path: root/include/linux/ata.h
diff options
context:
space:
mode:
Diffstat (limited to 'include/linux/ata.h')
-rw-r--r--include/linux/ata.h5
1 files changed, 5 insertions, 0 deletions
diff --git a/include/linux/ata.h b/include/linux/ata.h
index 78bbaca..1c622e2 100644
--- a/include/linux/ata.h
+++ b/include/linux/ata.h
@@ -659,6 +659,11 @@ static inline int atapi_command_packet_set(const u16 *dev_id)
return (dev_id[0] >> 8) & 0x1f;
}
+static inline int atapi_id_dmadir(const u16 *dev_id)
+{
+ return ata_id_major_version(dev_id) >= 7 && (dev_id[62] & 0x8000);
+}
+
static inline int is_multi_taskfile(struct ata_taskfile *tf)
{
return (tf->command == ATA_CMD_READ_MULTI) ||
OpenPOWER on IntegriCloud