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qla2xxx: Add support for buffer to buffer credit value for ISP27XX. 

Signed-off-by: Sawan Chandak <sawan.chandak@qlogic.com>
Signed-off-by: Himanshu Madhani <himanshu.madhani@qlogic.com>
Reviewed-by: Johannes Thumshirn <jthumshirn@suse.de>
Reviewed-by: Hannes Reinecke <hare@suse.de>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
This commit is contained in:
Sawan Chandak 2016-01-27 12:03:32 -05:00 committed by Martin K. Petersen
parent 4243c115f4
commit 969a619966
5 changed files with 92 additions and 1 deletions
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55
drivers/scsi/qla2xxx/qla_bsg.c
View File

@ -2180,6 +2180,58 @@ qla27xx_set_flash_upd_cap(struct fc_bsg_job *bsg_job)
return 0;
}
static int
qla27xx_get_bbcr_data(struct fc_bsg_job *bsg_job)
{
struct Scsi_Host *host = bsg_job->shost;
scsi_qla_host_t *vha = shost_priv(host);
struct qla_hw_data *ha = vha->hw;
struct qla_bbcr_data bbcr;
uint16_t loop_id, topo, sw_cap;
uint8_t domain, area, al_pa, state;
int rval;
if (!(IS_QLA27XX(ha)))
return -EPERM;
memset(&bbcr, 0, sizeof(bbcr));
if (vha->flags.bbcr_enable)
bbcr.status = QLA_BBCR_STATUS_ENABLED;
else
bbcr.status = QLA_BBCR_STATUS_DISABLED;
if (bbcr.status == QLA_BBCR_STATUS_ENABLED) {
rval = qla2x00_get_adapter_id(vha, &loop_id, &al_pa,
&area, &domain, &topo, &sw_cap);
if (rval != QLA_SUCCESS)
return -EIO;
state = (vha->bbcr >> 12) & 0x1;
if (state) {
bbcr.state = QLA_BBCR_STATE_OFFLINE;
bbcr.offline_reason_code = QLA_BBCR_REASON_LOGIN_REJECT;
} else {
bbcr.state = QLA_BBCR_STATE_ONLINE;
bbcr.negotiated_bbscn = (vha->bbcr >> 8) & 0xf;
}
bbcr.configured_bbscn = vha->bbcr & 0xf;
}
sg_copy_from_buffer(bsg_job->reply_payload.sg_list,
bsg_job->reply_payload.sg_cnt, &bbcr, sizeof(bbcr));
bsg_job->reply->reply_payload_rcv_len = sizeof(bbcr);
bsg_job->reply->reply_data.vendor_reply.vendor_rsp[0] = EXT_STATUS_OK;
bsg_job->reply_len = sizeof(struct fc_bsg_reply);
bsg_job->reply->result = DID_OK << 16;
bsg_job->job_done(bsg_job);
return 0;
}
static int
qla2x00_process_vendor_specific(struct fc_bsg_job *bsg_job)
{
@ -2241,6 +2293,9 @@ qla2x00_process_vendor_specific(struct fc_bsg_job *bsg_job)
case QL_VND_SET_FLASH_UPDATE_CAPS:
return qla27xx_set_flash_upd_cap(bsg_job);
case QL_VND_GET_BBCR_DATA:
return qla27xx_get_bbcr_data(bsg_job);
default:
return -ENOSYS;
}

24
drivers/scsi/qla2xxx/qla_bsg.h
View File

@ -27,6 +27,7 @@
#define QL_VND_SERDES_OP_EX 0x14
#define QL_VND_GET_FLASH_UPDATE_CAPS 0x15
#define QL_VND_SET_FLASH_UPDATE_CAPS 0x16
#define QL_VND_GET_BBCR_DATA 0x17
/* BSG Vendor specific subcode returns */
#define EXT_STATUS_OK 0
@ -239,4 +240,27 @@ struct qla_flash_update_caps {
uint32_t outage_duration;
uint8_t reserved[20];
} __packed;
/* BB_CR Status */
#define QLA_BBCR_STATUS_DISABLED 0
#define QLA_BBCR_STATUS_ENABLED 1
/* BB_CR State */
#define QLA_BBCR_STATE_OFFLINE 0
#define QLA_BBCR_STATE_ONLINE 1
/* BB_CR Offline Reason Code */
#define QLA_BBCR_REASON_PORT_SPEED 1
#define QLA_BBCR_REASON_PEER_PORT 2
#define QLA_BBCR_REASON_SWITCH 3
#define QLA_BBCR_REASON_LOGIN_REJECT 4
struct qla_bbcr_data {
uint8_t status; /* 1 - enabled, 0 - Disabled */
uint8_t state; /* 1 - online, 0 - offline */
uint8_t configured_bbscn; /* 0-15 */
uint8_t negotiated_bbscn; /* 0-15 */
uint8_t offline_reason_code;
uint8_t reserved[11];
} __packed;
#endif

2
drivers/scsi/qla2xxx/qla_def.h
View File

@ -3583,6 +3583,7 @@ typedef struct scsi_qla_host {
uint32_t delete_progress:1;
uint32_t fw_tgt_reported:1;
uint32_t bbcr_enable:1;
} flags;
atomic_t loop_state;
@ -3715,6 +3716,7 @@ typedef struct scsi_qla_host {
atomic_t vref_count;
struct qla8044_reset_template reset_tmplt;
struct qla_tgt_counters tgt_counters;
uint16_t bbcr;
} scsi_qla_host_t;
struct qla27xx_image_status {

4
drivers/scsi/qla2xxx/qla_fw.h
View File

@ -1288,7 +1288,9 @@ struct vp_rpt_id_entry_24xx {
uint8_t vp_idx_map[16];
uint8_t reserved_4[32];
uint8_t reserved_4[28];
uint16_t bbcr;
uint8_t reserved_5[6];
};
#define VF_EVFP_IOCB_TYPE 0x26 /* Exchange Virtual Fabric Parameters entry. */

8
drivers/scsi/qla2xxx/qla_mbx.c
View File

@ -1349,6 +1349,8 @@ qla2x00_get_adapter_id(scsi_qla_host_t *vha, uint16_t *id, uint8_t *al_pa,
mcp->in_mb |= MBX_13|MBX_12|MBX_11|MBX_10;
if (IS_FWI2_CAPABLE(vha->hw))
mcp->in_mb |= MBX_19|MBX_18|MBX_17|MBX_16;
if (IS_QLA27XX(vha->hw))
mcp->in_mb |= MBX_15;
mcp->tov = MBX_TOV_SECONDS;
mcp->flags = 0;
rval = qla2x00_mailbox_command(vha, mcp);
@ -1400,6 +1402,9 @@ qla2x00_get_adapter_id(scsi_qla_host_t *vha, uint16_t *id, uint8_t *al_pa,
wwn_to_u64(vha->port_name));
}
}
if (IS_QLA27XX(vha->hw))
vha->bbcr = mcp->mb[15];
}
return rval;
@ -3612,6 +3617,9 @@ qla24xx_report_id_acquisition(scsi_qla_host_t *vha,
rptid_entry->port_id[2], rptid_entry->port_id[1],
rptid_entry->port_id[0]);
/* buffer to buffer credit flag */
vha->flags.bbcr_enable = (rptid_entry->bbcr & 0xf) != 0;
/* FA-WWN is only for physical port */
if (!vp_idx) {
void *wwpn = ha->init_cb->port_name;