[PATCH] libata: add constants and flags to be used by EH

[Tejun Heo <htejun@gmail.com>]

Add constants and flags to be used by EH.

Signed-off-by: Tejun Heo <htejun@gmail.com>

---

 include/linux/ata.h    |   11 +++++++++++
 include/linux/libata.h |    5 +++++
 2 files changed, 16 insertions(+), 0 deletions(-)

4aea2da11e6a1d39b417af71e881601cbb19387f
diff --git a/include/linux/ata.h b/include/linux/ata.h
index 312a2c0..283138f 100644
--- a/include/linux/ata.h
+++ b/include/linux/ata.h
@@ -97,6 +97,9 @@ enum {
 	ATA_DRQ			= (1 << 3),	/* data request i/o */
 	ATA_ERR			= (1 << 0),	/* have an error */
 	ATA_SRST		= (1 << 2),	/* software reset */
+	ATA_ICRC		= (1 << 7),	/* interface CRC error */
+	ATA_UNC			= (1 << 6),	/* uncorrectable media error */
+	ATA_IDNF		= (1 << 4),	/* ID not found */
 	ATA_ABORTED		= (1 << 2),	/* command aborted */
 
 	/* ATA command block registers */
@@ -192,6 +195,14 @@ enum {
 	SCR_ACTIVE		= 3,
 	SCR_NOTIFICATION	= 4,
 
+	/* SError bits */
+	SERR_DATA_RECOVERED	= (1 << 0), /* recovered data error */
+	SERR_COMM_RECOVERED	= (1 << 1), /* recovered comm failure */
+	SERR_DATA		= (1 << 8), /* unrecovered data error */
+	SERR_PERSISTENT		= (1 << 9), /* persistent data/comm error */
+	SERR_PROTOCOL		= (1 << 10), /* protocol violation */
+	SERR_INTERNAL		= (1 << 11), /* host internal error */
+
 	/* struct ata_taskfile flags */
 	ATA_TFLAG_LBA48		= (1 << 0), /* enable 48-bit LBA and "HOB" */
 	ATA_TFLAG_ISADDR	= (1 << 1), /* enable r/w to nsect/lba regs */
diff --git a/include/linux/libata.h b/include/linux/libata.h
index c65cda9..19d3ecc 100644
--- a/include/linux/libata.h
+++ b/include/linux/libata.h
@@ -223,6 +223,11 @@ enum {
 	ATA_PORT_PRIMARY	= (1 << 0),
 	ATA_PORT_SECONDARY	= (1 << 1),
 
+	/* reset / recovery action types */
+	ATA_PORT_REVALIDATE	= (1 << 0),
+	ATA_PORT_SOFTRESET	= (1 << 1),
+	ATA_PORT_HARDRESET	= (1 << 2),
+
 	/* flags for ata_eh_shduled_port */
 	ATA_EH_ABORT		= (1 << 0), /* abort all active commands */
 	ATA_EH_FREEZE		= (1 << 1), /* freeze port (implies ABORT) */
-- 
1.2.4