[SCSI] qla2xxx: Extend base EEH support in qla2xxx.

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

1 files changed, 27 insertions, 5 deletions

diff --git a/drivers/scsi/qla2xxx/qla_attr.c b/drivers/scsi/qla2xxx/qla_attr.c
index 21e2bc4d7401..3a9f5b288aee 100644
--- a/drivers/scsi/qla2xxx/qla_attr.c
+++ b/drivers/scsi/qla2xxx/qla_attr.c
@@ -232,6 +232,9 @@ qla2x00_sysfs_write_optrom_ctl(struct kobject *kobj,
         if (off)
                 return 0;
 
+        if (unlikely(pci_channel_offline(ha->pdev)))
+                return 0;
+
         if (sscanf(buf, "%d:%x:%x", &val, &start, &size) < 1)
                 return -EINVAL;
         if (start > ha->optrom_size)
@@ -379,6 +382,9 @@ qla2x00_sysfs_read_vpd(struct kobject *kobj,
             struct device, kobj)));
         struct qla_hw_data *ha = vha->hw;
 
+        if (unlikely(pci_channel_offline(ha->pdev)))
+                return 0;
+
         if (!capable(CAP_SYS_ADMIN))
                 return 0;
 
@@ -398,6 +404,9 @@ qla2x00_sysfs_write_vpd(struct kobject *kobj,
         struct qla_hw_data *ha = vha->hw;
         uint8_t *tmp_data;
 
+        if (unlikely(pci_channel_offline(ha->pdev)))
+                return 0;
+
         if (!capable(CAP_SYS_ADMIN) || off != 0 || count != ha->vpd_size ||
             !ha->isp_ops->write_nvram)
                 return 0;
@@ -1238,10 +1247,11 @@ qla2x00_fw_state_show(struct device *dev, struct device_attribute *attr,
     char *buf)
 {
         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
-        int rval;
+        int rval = QLA_FUNCTION_FAILED;
         uint16_t state[5];
 
-        rval = qla2x00_get_firmware_state(vha, state);
+        if (!vha->hw->flags.eeh_busy)
+                rval = qla2x00_get_firmware_state(vha, state);
         if (rval != QLA_SUCCESS)
                 memset(state, -1, sizeof(state));
 
@@ -1452,10 +1462,13 @@ qla2x00_dev_loss_tmo_callbk(struct fc_rport *rport)
         if (!fcport)
                 return;
 
-        if (unlikely(pci_channel_offline(fcport->vha->hw->pdev)))
+        if (test_bit(ABORT_ISP_ACTIVE, &fcport->vha->dpc_flags))
+                return;
+
+        if (unlikely(pci_channel_offline(fcport->vha->hw->pdev))) {
                 qla2x00_abort_all_cmds(fcport->vha, DID_NO_CONNECT << 16);
-        else
-                qla2x00_abort_fcport_cmds(fcport);
+                return;
+        }
 
         /*
          * Transport has effectively 'deleted' the rport, clear
@@ -1475,6 +1488,9 @@ qla2x00_terminate_rport_io(struct fc_rport *rport)
         if (!fcport)
                 return;
 
+        if (test_bit(ABORT_ISP_ACTIVE, &fcport->vha->dpc_flags))
+                return;
+
         if (unlikely(pci_channel_offline(fcport->vha->hw->pdev))) {
                 qla2x00_abort_all_cmds(fcport->vha, DID_NO_CONNECT << 16);
                 return;
@@ -1515,6 +1531,12 @@ qla2x00_get_fc_host_stats(struct Scsi_Host *shost)
         pfc_host_stat = &ha->fc_host_stat;
         memset(pfc_host_stat, -1, sizeof(struct fc_host_statistics));
 
+        if (test_bit(UNLOADING, &vha->dpc_flags))
+                goto done;
+
+        if (unlikely(pci_channel_offline(ha->pdev)))
+                goto done;
+
         stats = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL, &stats_dma);
         if (stats == NULL) {
                 DEBUG2_3_11(printk("%s(%ld): Failed to allocate memory.\n",