[SCSI] qla2xxx: Check for golden firmware and show version if available

Signed-off-by: Giridhar Malavali <giridhar.malavali@qlogic.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>

3 files changed, 42 insertions, 0 deletions

diff --git a/drivers/scsi/qla2xxx/qla_attr.c b/drivers/scsi/qla2xxx/qla_attr.c
index fd6f7b100547..7ebf365043cf 100644
--- a/drivers/scsi/qla2xxx/qla_attr.c
+++ b/drivers/scsi/qla2xxx/qla_attr.c
@@ -1187,6 +1187,21 @@ qla2x00_optrom_fw_version_show(struct device *dev,
 }
 
 static ssize_t
+qla2x00_optrom_gold_fw_version_show(struct device *dev,
+    struct device_attribute *attr, char *buf)
+{
+        scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
+        struct qla_hw_data *ha = vha->hw;
+
+        if (!IS_QLA81XX(ha))
+                return snprintf(buf, PAGE_SIZE, "\n");
+
+        return snprintf(buf, PAGE_SIZE, "%d.%02d.%02d (%d)\n",
+            ha->gold_fw_version[0], ha->gold_fw_version[1],
+            ha->gold_fw_version[2], ha->gold_fw_version[3]);
+}
+
+static ssize_t
 qla2x00_total_isp_aborts_show(struct device *dev,
                               struct device_attribute *attr, char *buf)
 {
@@ -1336,6 +1351,8 @@ static DEVICE_ATTR(optrom_fcode_version, S_IRUGO,
                    qla2x00_optrom_fcode_version_show, NULL);
 static DEVICE_ATTR(optrom_fw_version, S_IRUGO, qla2x00_optrom_fw_version_show,
                    NULL);
+static DEVICE_ATTR(optrom_gold_fw_version, S_IRUGO,
+    qla2x00_optrom_gold_fw_version_show, NULL);
 static DEVICE_ATTR(84xx_fw_version, S_IRUGO, qla24xx_84xx_fw_version_show,
                    NULL);
 static DEVICE_ATTR(total_isp_aborts, S_IRUGO, qla2x00_total_isp_aborts_show,
@@ -1376,6 +1393,7 @@ struct device_attribute *qla2x00_host_attrs[] = {
         &dev_attr_vn_port_mac_address,
         &dev_attr_fabric_param,
         &dev_attr_fw_state,
+        &dev_attr_optrom_gold_fw_version,
         NULL,
 };
 
diff --git a/drivers/scsi/qla2xxx/qla_def.h b/drivers/scsi/qla2xxx/qla_def.h
index 02c7480c99c3..7e11ccf0fe81 100644
--- a/drivers/scsi/qla2xxx/qla_def.h
+++ b/drivers/scsi/qla2xxx/qla_def.h
@@ -2714,6 +2714,8 @@ struct qla_hw_data {
         uint8_t         fcode_revision[16];
         uint32_t        fw_revision[4];
 
+        uint32_t        gold_fw_version[4];
+
         /* Offsets for flash/nvram access (set to ~0 if not used). */
         uint32_t        flash_conf_off;
         uint32_t        flash_data_off;
diff --git a/drivers/scsi/qla2xxx/qla_sup.c b/drivers/scsi/qla2xxx/qla_sup.c
index 3c5115f60739..df288dc829e0 100644
--- a/drivers/scsi/qla2xxx/qla_sup.c
+++ b/drivers/scsi/qla2xxx/qla_sup.c
@@ -2759,6 +2759,28 @@ qla24xx_get_flash_version(scsi_qla_host_t *vha, void *mbuf)
                 ha->fw_revision[3] = dcode[3];
         }
 
+        /* Check for golden firmware and get version if available */
+        if (!IS_QLA81XX(ha)) {
+                /* Golden firmware is not present in non 81XX adapters */
+                return ret;
+        }
+
+        memset(ha->gold_fw_version, 0, sizeof(ha->gold_fw_version));
+        dcode = mbuf;
+        ha->isp_ops->read_optrom(vha, (uint8_t *)dcode,
+            ha->flt_region_gold_fw << 2, 32);
+
+        if (dcode[4] == 0xFFFFFFFF && dcode[5] == 0xFFFFFFFF &&
+            dcode[6] == 0xFFFFFFFF && dcode[7] == 0xFFFFFFFF) {
+                DEBUG2(qla_printk(KERN_INFO, ha,
+                    "%s(%ld): Unrecognized golden fw at 0x%x.\n",
+                    __func__, vha->host_no, ha->flt_region_gold_fw * 4));
+                return ret;
+        }
+
+        for (i = 4; i < 8; i++)
+                ha->gold_fw_version[i-4] = be32_to_cpu(dcode[i]);
+
         return ret;
 }