From: Sawan Chandak
Signed-off-by: Sawan Chandak
Signed-off-by: Himanshu Madhani
---
drivers/scsi/qla2xxx/qla_bsg.c | 55
drivers/scsi/qla2xxx/qla_bsg.h | 24 +
drivers/scsi/qla2xxx/qla_def.h |2 +
drivers/scsi/qla2xxx/qla_fw.h |4 ++-
drivers/scsi/qla2xxx/qla_mbx.c |8 ++
5 files changed, 92 insertions(+), 1 deletions(-)
diff --git a/drivers/scsi/qla2xxx/qla_bsg.c b/drivers/scsi/qla2xxx/qla_bsg.c
index 64fe17a..d135d6a 100644
--- a/drivers/scsi/qla2xxx/qla_bsg.c
+++ b/drivers/scsi/qla2xxx/qla_bsg.c
@@ -2181,6 +2181,58 @@ qla27xx_set_flash_upd_cap(struct fc_bsg_job *bsg_job)
}
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)
{
switch (bsg_job->request->rqst_data.h_vendor.vendor_cmd[0]) {
@@ -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;
}
diff --git a/drivers/scsi/qla2xxx/qla_bsg.h b/drivers/scsi/qla2xxx/qla_bsg.h
index 6c45bf4..4275177 100644
--- a/drivers/scsi/qla2xxx/qla_bsg.h
+++ b/drivers/scsi/qla2xxx/qla_bsg.h
@@ -27,6 +27,7 @@
#defineQL_VND_SERDES_OP_EX 0x14
#define QL_VND_GET_FLASH_UPDATE_CAPS0x15
#define QL_VND_SET_FLASH_UPDATE_CAPS0x16
+#define QL_VND_GET_BBCR_DATA0x17
/* 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_ENABLED1
+
+/* 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
diff --git a/drivers/scsi/qla2xxx/qla_def.h b/drivers/scsi/qla2xxx/qla_def.h
index 987480f..c4bd62a 100644
--- a/drivers/scsi/qla2xxx/qla_def.h
+++ b/drivers/scsi/qla2xxx/qla_def.h
@@ -3583,6 +3583,7 @@ typedef struct scsi_qla_host {
uint32_tdelete_progress:1;
uint32_tfw_tgt_reported:1;
+ uint32_tbbcr_enable:1;
} flags;
atomic_tloop_state;
@@ -3715,6 +3716,7 @@ typedef struct scsi_qla_host {
atomic_tvref_count;
struct qla8044_reset_template reset_tmplt;
struct qla_tgt_counters tgt_counters;
+ uint16_tbbcr;
} scsi_qla_host_t;
struct qla27xx_image_sta
