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[SCSI] qla2xxx: Implementation of bidirectional.

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[jejb: merge fix for introduced warning]
Signed-off-by: Saurav Kashyap <saurav.kashyap@qlogic.com>
Signed-off-by: Chad Dupuis <chad.dupuis@qlogic.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
This commit is contained in:
Saurav Kashyap
2012-08-22 14:21:01 -04:00
committed by James Bottomley
parent 5f16b331d8
commit a9b6f722f6
11 changed files with 656 additions and 12 deletions
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23
drivers/scsi/qla2xxx/qla_def.h
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@@ -260,6 +260,7 @@ struct srb_iocb {
#define SRB_ADISC_CMD 6
#define SRB_TM_CMD 7
#define SRB_SCSI_CMD 8
#define SRB_BIDI_CMD 9
typedef struct srb {
atomic_t ref_count;
@@ -1510,6 +1511,13 @@ typedef struct {
#define CS_RETRY 0x82 /* Driver defined */
#define CS_LOOP_DOWN_ABORT 0x83 /* Driver defined */
#define CS_BIDIR_RD_OVERRUN 0x700
#define CS_BIDIR_RD_WR_OVERRUN 0x707
#define CS_BIDIR_RD_OVERRUN_WR_UNDERRUN 0x715
#define CS_BIDIR_RD_UNDERRUN 0x1500
#define CS_BIDIR_RD_UNDERRUN_WR_OVERRUN 0x1507
#define CS_BIDIR_RD_WR_UNDERRUN 0x1515
#define CS_BIDIR_DMA 0x200
/*
* Status entry status flags
*/
@@ -2374,6 +2382,11 @@ struct qla_statistics {
uint64_t output_bytes;
};
struct bidi_statistics {
unsigned long long io_count;
unsigned long long transfer_bytes;
};
/* Multi queue support */
#define MBC_INITIALIZE_MULTIQ 0x1f
#define QLA_QUE_PAGE 0X1000
@@ -2671,6 +2684,7 @@ struct qla_hw_data {
#define HAS_EXTENDED_IDS(ha) ((ha)->device_type & DT_EXTENDED_IDS)
#define IS_CT6_SUPPORTED(ha) ((ha)->device_type & DT_CT6_SUPPORTED)
#define IS_MQUE_CAPABLE(ha) ((ha)->mqenable || IS_QLA83XX(ha))
#define IS_BIDI_CAPABLE(ha) ((IS_QLA25XX(ha) || IS_QLA2031(ha)))
/* HBA serial number */
uint8_t serial0;
@@ -2754,6 +2768,7 @@ struct qla_hw_data {
struct completion mbx_intr_comp; /* Used for completion notification */
struct completion dcbx_comp; /* For set port config notification */
int notify_dcbx_comp;
struct mutex selflogin_lock;
/* Basic firmware related information. */
uint16_t fw_major_version;
@@ -2987,6 +3002,13 @@ typedef struct scsi_qla_host {
/* ISP configuration data. */
uint16_t loop_id; /* Host adapter loop id */
uint16_t self_login_loop_id; /* host adapter loop id
* get it on self login
*/
fc_port_t bidir_fcport; /* fcport used for bidir cmnds
* no need of allocating it for
* each command
*/
port_id_t d_id; /* Host adapter port id */
uint8_t marker_needed;
@@ -3040,6 +3062,7 @@ typedef struct scsi_qla_host {
int seconds_since_last_heartbeat;
struct fc_host_statistics fc_host_stat;
struct qla_statistics qla_stats;
struct bidi_statistics bidi_stats;
atomic_t vref_count;
} scsi_qla_host_t;