[SCSI] be2iscsi: Get Initiator Name for the iSCSI_Host
Implement the ISCSI_HOST_PARAM_INITIATOR_NAME for .get_host_param
Signed-off-by: John Soni Jose <sony.john-n@emulex.com>
Signed-off-by: Jayamohan Kallickal <jayamohan.kallickal@emulex.com>
Signed-off-by: Mike Christie <michaelc@cs.wisc.edu>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
diff --git a/drivers/scsi/be2iscsi/be_iscsi.c b/drivers/scsi/be2iscsi/be_iscsi.c
index 2bb681e..1af7774 100644
--- a/drivers/scsi/be2iscsi/be_iscsi.c
+++ b/drivers/scsi/be2iscsi/be_iscsi.c
@@ -279,6 +279,48 @@
}
/**
+ * beiscsi_get_initname - Read Initiator Name from flash
+ * @buf: buffer bointer
+ * @phba: The device priv structure instance
+ *
+ * returns number of bytes
+ */
+static int beiscsi_get_initname(char *buf, struct beiscsi_hba *phba)
+{
+ int rc;
+ unsigned int tag, wrb_num;
+ unsigned short status, extd_status;
+ struct be_mcc_wrb *wrb;
+ struct be_cmd_hba_name *resp;
+ struct be_queue_info *mccq = &phba->ctrl.mcc_obj.q;
+
+ tag = be_cmd_get_initname(phba);
+ if (!tag) {
+ SE_DEBUG(DBG_LVL_1, "Getting Initiator Name Failed\n");
+ return -EBUSY;
+ } else
+ wait_event_interruptible(phba->ctrl.mcc_wait[tag],
+ phba->ctrl.mcc_numtag[tag]);
+
+ wrb_num = (phba->ctrl.mcc_numtag[tag] & 0x00FF0000) >> 16;
+ extd_status = (phba->ctrl.mcc_numtag[tag] & 0x0000FF00) >> 8;
+ status = phba->ctrl.mcc_numtag[tag] & 0x000000FF;
+
+ if (status || extd_status) {
+ SE_DEBUG(DBG_LVL_1, "MailBox Command Failed with "
+ "status = %d extd_status = %d\n",
+ status, extd_status);
+ free_mcc_tag(&phba->ctrl, tag);
+ return -EAGAIN;
+ }
+ wrb = queue_get_wrb(mccq, wrb_num);
+ free_mcc_tag(&phba->ctrl, tag);
+ resp = embedded_payload(wrb);
+ rc = sprintf(buf, "%s\n", resp->initiator_name);
+ return rc;
+}
+
+/**
* beiscsi_get_host_param - get the iscsi parameter
* @shost: pointer to scsi_host structure
* @param: parameter type identifier
@@ -301,6 +343,14 @@
return status;
}
break;
+ case ISCSI_HOST_PARAM_INITIATOR_NAME:
+ status = beiscsi_get_initname(buf, phba);
+ if (status < 0) {
+ SE_DEBUG(DBG_LVL_1,
+ "Retreiving Initiator Name Failed\n");
+ return status;
+ }
+ break;
default:
return iscsi_host_get_param(shost, param, buf);
}