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Commit 9be1e979 authored by Tejun Heo's avatar Tejun Heo
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[PATCH] libata-eh: add ATA and libata flags for new EH 



Add ATA and libata flags to be used by new EH.

Signed-off-by: default avatarTejun Heo <htejun@gmail.com>
parent 246619da

include/linux/ata.h

+13 −0
Original line number Diff line number Diff line
@@ -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 +195,16 @@ 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 */

	SERR_PHYRDY_CHG		= (1 << 16), /* PHY RDY changed */

	SERR_DEV_XCHG		= (1 << 26), /* device exchanged */



	/* 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 */

include/linux/libata.h

+8 −0
Original line number Diff line number Diff line
@@ -155,6 +155,7 @@ enum { 


	ATA_FLAG_EH_PENDING	= (1 << 16), /* EH pending */

	ATA_FLAG_FROZEN		= (1 << 17), /* port is frozen */

	ATA_FLAG_RECOVERED	= (1 << 18), /* recovery action performed */



	ATA_FLAG_DISABLED	= (1 << 22), /* port is disabled, ignore it */

	ATA_FLAG_SUSPENDED	= (1 << 23), /* port is suspended (power) */
@@ -225,6 +226,13 @@ enum { 
	ATA_PORT_PRIMARY	= (1 << 0),

	ATA_PORT_SECONDARY	= (1 << 1),



	/* reset / recovery action types */

	ATA_EH_REVALIDATE	= (1 << 0),

	ATA_EH_SOFTRESET	= (1 << 1),

	ATA_EH_HARDRESET	= (1 << 2),



	ATA_EH_RESET_MASK	= ATA_EH_SOFTRESET | ATA_EH_HARDRESET,



	/* max repeat if error condition is still set after ->error_handler */

	ATA_EH_MAX_REPEAT	= 5,