scsi_dh_alua.c File Reference

#include <linux/slab.h>
#include <linux/delay.h>
#include <linux/module.h>
#include <scsi/scsi.h>
#include <scsi/scsi_eh.h>
#include <scsi/scsi_dh.h>

Go to the source code of this file.

Data Structures
struct	alua_dh_data

Macros
#define	ALUA_DH_NAME   "alua"
#define	ALUA_DH_VER   "1.3"
#define	TPGS_STATE_OPTIMIZED   0x0
#define	TPGS_STATE_NONOPTIMIZED   0x1
#define	TPGS_STATE_STANDBY   0x2
#define	TPGS_STATE_UNAVAILABLE   0x3
#define	TPGS_STATE_LBA_DEPENDENT   0x4
#define	TPGS_STATE_OFFLINE   0xe
#define	TPGS_STATE_TRANSITIONING   0xf
#define	TPGS_SUPPORT_NONE   0x00
#define	TPGS_SUPPORT_OPTIMIZED   0x01
#define	TPGS_SUPPORT_NONOPTIMIZED   0x02
#define	TPGS_SUPPORT_STANDBY   0x04
#define	TPGS_SUPPORT_UNAVAILABLE   0x08
#define	TPGS_SUPPORT_LBA_DEPENDENT   0x10
#define	TPGS_SUPPORT_OFFLINE   0x40
#define	TPGS_SUPPORT_TRANSITION   0x80
#define	RTPG_FMT_MASK   0x70
#define	RTPG_FMT_EXT_HDR   0x10
#define	TPGS_MODE_UNINITIALIZED   -1
#define	TPGS_MODE_NONE   0x0
#define	TPGS_MODE_IMPLICIT   0x1
#define	TPGS_MODE_EXPLICIT   0x2
#define	ALUA_INQUIRY_SIZE   36
#define	ALUA_FAILOVER_TIMEOUT   60
#define	ALUA_FAILOVER_RETRIES   5
#define	ALUA_OPTIMIZE_STPG   1
#define	ALUA_POLICY_SWITCH_CURRENT   0
#define	ALUA_POLICY_SWITCH_ALL   1

Functions
	module_init (alua_init)
	module_exit (alua_exit)
	MODULE_DESCRIPTION ("DM Multipath ALUA support")
	MODULE_AUTHOR ("Hannes Reinecke <[email protected]>")
	MODULE_LICENSE ("GPL")
	MODULE_VERSION (ALUA_DH_VER)

Macro Definition Documentation

#define ALUA_DH_NAME   "alua"

Definition at line 29 of file scsi_dh_alua.c.

#define ALUA_DH_VER   "1.3"

Definition at line 30 of file scsi_dh_alua.c.

#define ALUA_FAILOVER_RETRIES   5

Definition at line 59 of file scsi_dh_alua.c.

#define ALUA_FAILOVER_TIMEOUT   60

Definition at line 58 of file scsi_dh_alua.c.

#define ALUA_INQUIRY_SIZE   36

Definition at line 57 of file scsi_dh_alua.c.

#define ALUA_OPTIMIZE_STPG   1

Definition at line 62 of file scsi_dh_alua.c.

#define ALUA_POLICY_SWITCH_ALL   1

Definition at line 83 of file scsi_dh_alua.c.

#define ALUA_POLICY_SWITCH_CURRENT   0

Definition at line 82 of file scsi_dh_alua.c.

#define RTPG_FMT_EXT_HDR   0x10

Definition at line 50 of file scsi_dh_alua.c.

#define RTPG_FMT_MASK   0x70

Definition at line 49 of file scsi_dh_alua.c.

#define TPGS_MODE_EXPLICIT   0x2

Definition at line 55 of file scsi_dh_alua.c.

#define TPGS_MODE_IMPLICIT   0x1

Definition at line 54 of file scsi_dh_alua.c.

#define TPGS_MODE_NONE   0x0

Definition at line 53 of file scsi_dh_alua.c.

#define TPGS_MODE_UNINITIALIZED   -1

Definition at line 52 of file scsi_dh_alua.c.

#define TPGS_STATE_LBA_DEPENDENT   0x4

Definition at line 36 of file scsi_dh_alua.c.

#define TPGS_STATE_NONOPTIMIZED   0x1

Definition at line 33 of file scsi_dh_alua.c.

#define TPGS_STATE_OFFLINE   0xe

Definition at line 37 of file scsi_dh_alua.c.

#define TPGS_STATE_OPTIMIZED   0x0

Definition at line 32 of file scsi_dh_alua.c.

#define TPGS_STATE_STANDBY   0x2

Definition at line 34 of file scsi_dh_alua.c.

#define TPGS_STATE_TRANSITIONING   0xf

Definition at line 38 of file scsi_dh_alua.c.

#define TPGS_STATE_UNAVAILABLE   0x3

Definition at line 35 of file scsi_dh_alua.c.

#define TPGS_SUPPORT_LBA_DEPENDENT   0x10

Definition at line 45 of file scsi_dh_alua.c.

#define TPGS_SUPPORT_NONE   0x00

Definition at line 40 of file scsi_dh_alua.c.

#define TPGS_SUPPORT_NONOPTIMIZED   0x02

Definition at line 42 of file scsi_dh_alua.c.

#define TPGS_SUPPORT_OFFLINE   0x40

Definition at line 46 of file scsi_dh_alua.c.

#define TPGS_SUPPORT_OPTIMIZED   0x01

Definition at line 41 of file scsi_dh_alua.c.

#define TPGS_SUPPORT_STANDBY   0x04

Definition at line 43 of file scsi_dh_alua.c.

#define TPGS_SUPPORT_TRANSITION   0x80

Definition at line 47 of file scsi_dh_alua.c.

#define TPGS_SUPPORT_UNAVAILABLE   0x08

Definition at line 44 of file scsi_dh_alua.c.

Function Documentation

MODULE_AUTHOR

(

"Hannes Reinecke <[email protected]>"

)

MODULE_DESCRIPTION

(

"DM Multipath ALUA support"

)

module_exit

(

alua_exit

)

module_init

(

alua_init

)

MODULE_LICENSE

(

"GPL"

)

MODULE_VERSION

(

ALUA_DH_VER

)