scsi_dh_rdac.c File Reference

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

Go to the source code of this file.

Data Structures
struct	rdac_mode_6_hdr
struct	rdac_mode_10_hdr
struct	rdac_mode_common
struct	rdac_pg_legacy
struct	rdac_pg_expanded
struct	c9_inquiry
struct	c4_inquiry
struct	c8_inquiry
struct	rdac_controller
struct	c2_inquiry
struct	rdac_dh_data
struct	rdac_queue_data

Macros
#define	RDAC_NAME   "rdac"
#define	RDAC_RETRY_COUNT   5
#define	RDAC_QUIESCENCE_TIME   20
#define	RDAC_PAGE_CODE_REDUNDANT_CONTROLLER   0x2c
#define	RDAC_MODE_TRANSFER_SPECIFIED_LUNS   0x02
#define	RDAC_FORCED_QUIESENCE   0x02
#define	RDAC_TIMEOUT   (60 * HZ)
#define	RDAC_RETRIES   3
#define	MODE6_MAX_LUN   32
#define	SUBSYS_ID_LEN   16
#define	SLOT_ID_LEN   2
#define	ARRAY_LABEL_LEN   31
#define	UNIQUE_ID_LEN   16
#define	UNINITIALIZED_LUN   (1 << 8)
#define	RDAC_MODE   0
#define	RDAC_MODE_AVT   1
#define	RDAC_MODE_IOSHIP   2
#define	RDAC_STATE_ACTIVE   0
#define	RDAC_STATE_PASSIVE   1
#define	RDAC_LUN_UNOWNED   0
#define	RDAC_LUN_OWNED   1
#define	RDAC_PREFERRED   0
#define	RDAC_NON_PREFERRED   1
#define	RDAC_LOG_FAILOVER   0
#define	RDAC_LOG_SENSE   2
#define	RDAC_LOG_BITS   2
#define	RDAC_LOG_LEVEL(SHIFT)   ((rdac_logging >> (SHIFT)) & ((1 << (RDAC_LOG_BITS)) - 1))
#define	RDAC_LOG(SHIFT, sdev, f, arg...)

Functions
	module_param (rdac_logging, int, S_IRUGO|S_IWUSR)
	MODULE_PARM_DESC (rdac_logging,"A bit mask of rdac logging levels, ""Default is 1 - failover logging enabled, ""set it to 0xF to enable all the logs")
	module_init (rdac_init)
	module_exit (rdac_exit)
	MODULE_DESCRIPTION ("Multipath LSI/Engenio/NetApp E-Series RDAC driver")
	MODULE_AUTHOR ("Mike Christie, Chandra Seetharaman")
	MODULE_VERSION ("01.00.0000.0000")
	MODULE_LICENSE ("GPL")

Macro Definition Documentation

#define ARRAY_LABEL_LEN   31

Definition at line 118 of file scsi_dh_rdac.c.

#define MODE6_MAX_LUN   32

Definition at line 87 of file scsi_dh_rdac.c.

#define RDAC_FORCED_QUIESENCE   0x02

Definition at line 53 of file scsi_dh_rdac.c.

#define RDAC_LOG	(		SHIFT,
			sdev,
			f,
			arg...
	)

Value:

do { \
    if (unlikely(RDAC_LOG_LEVEL(SHIFT))) \
        sdev_printk(KERN_INFO, sdev, RDAC_NAME ": " f "\n", ## arg); \
} while (0);

Definition at line 256 of file scsi_dh_rdac.c.

#define RDAC_LOG_BITS   2

Definition at line 251 of file scsi_dh_rdac.c.

#define RDAC_LOG_FAILOVER   0

Definition at line 248 of file scsi_dh_rdac.c.

#define RDAC_LOG_LEVEL

(

SHIFT

)

((rdac_logging >> (SHIFT)) & ((1 << (RDAC_LOG_BITS)) - 1))

Definition at line 253 of file scsi_dh_rdac.c.

#define RDAC_LOG_SENSE   2

Definition at line 249 of file scsi_dh_rdac.c.

#define RDAC_LUN_OWNED   1

Definition at line 198 of file scsi_dh_rdac.c.

#define RDAC_LUN_UNOWNED   0

Definition at line 197 of file scsi_dh_rdac.c.

#define RDAC_MODE   0

Definition at line 188 of file scsi_dh_rdac.c.

#define RDAC_MODE_AVT   1

Definition at line 189 of file scsi_dh_rdac.c.

#define RDAC_MODE_IOSHIP   2

Definition at line 190 of file scsi_dh_rdac.c.

#define RDAC_MODE_TRANSFER_SPECIFIED_LUNS   0x02

Definition at line 48 of file scsi_dh_rdac.c.

#define RDAC_NAME   "rdac"

Definition at line 29 of file scsi_dh_rdac.c.

#define RDAC_NON_PREFERRED   1

Definition at line 202 of file scsi_dh_rdac.c.

#define RDAC_PAGE_CODE_REDUNDANT_CONTROLLER   0x2c

Definition at line 43 of file scsi_dh_rdac.c.

#define RDAC_PREFERRED   0

Definition at line 201 of file scsi_dh_rdac.c.

#define RDAC_QUIESCENCE_TIME   20

Definition at line 39 of file scsi_dh_rdac.c.

#define RDAC_RETRIES   3

Definition at line 56 of file scsi_dh_rdac.c.

#define RDAC_RETRY_COUNT   5

Definition at line 30 of file scsi_dh_rdac.c.

#define RDAC_STATE_ACTIVE   0

Definition at line 193 of file scsi_dh_rdac.c.

#define RDAC_STATE_PASSIVE   1

Definition at line 194 of file scsi_dh_rdac.c.

#define RDAC_TIMEOUT   (60 * HZ)

Definition at line 55 of file scsi_dh_rdac.c.

#define SLOT_ID_LEN   2

Definition at line 117 of file scsi_dh_rdac.c.

#define SUBSYS_ID_LEN   16

Definition at line 116 of file scsi_dh_rdac.c.

#define UNINITIALIZED_LUN   (1 << 8)

Definition at line 185 of file scsi_dh_rdac.c.

#define UNIQUE_ID_LEN   16

Definition at line 132 of file scsi_dh_rdac.c.

Function Documentation

MODULE_AUTHOR	(	"Mike	Christie,
		Chandra Seetharaman"
	)

MODULE_DESCRIPTION

(

"Multipath LSI/Engenio/NetApp E-Series RDAC driver"

)

module_exit

(

rdac_exit

)

module_init

(

rdac_init

)

MODULE_LICENSE

(

"GPL"

)

module_param	(	rdac_logging	,
		int	,
		S_IRUGO|	S_IWUSR
	)

MODULE_PARM_DESC	(	rdac_logging	,
		"A bit mask of rdac logging	levels,
		""Default is 1-failover logging	enabled,
		""set it to 0xF to enable all the logs"
	)

MODULE_VERSION

(

"01.00.0000.0000"

)