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scsi: smartpqi: enhance device add and remove messages 

Improved formatting of information displayed when devices
are added/removed from the system.

Reviewed-by: Scott Benesh <scott.benesh@microsemi.com>
Signed-off-by: Kevin Barnett <kevin.barnett@microsemi.com>
Signed-off-by: Don Brace <don.brace@microsemi.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
This commit is contained in:
Kevin Barnett 2017-05-03 18:55:19 -05:00 committed by Martin K. Petersen
parent 13bede676b
commit 6de783f666
1 changed files with 69 additions and 21 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

90
drivers/scsi/smartpqi/smartpqi_init.c
View File

@ -1448,24 +1448,66 @@ static enum pqi_find_result pqi_scsi_find_entry(struct pqi_ctrl_info *ctrl_info,
return DEVICE_NOT_FOUND;
}
#define PQI_DEV_INFO_BUFFER_LENGTH 128
static void pqi_dev_info(struct pqi_ctrl_info *ctrl_info,
char *action, struct pqi_scsi_dev *device)
{
dev_info(&ctrl_info->pci_dev->dev,
"%s scsi %d:%d:%d:%d: %s %.8s %.16s %-12s SSDSmartPathCap%c En%c qd=%d\n",
action,
ctrl_info->scsi_host->host_no,
device->bus,
device->target,
device->lun,
ssize_t count;
char buffer[PQI_DEV_INFO_BUFFER_LENGTH];
count = snprintf(buffer, PQI_DEV_INFO_BUFFER_LENGTH,
"%d:%d:", ctrl_info->scsi_host->host_no, device->bus);
if (device->target_lun_valid)
count += snprintf(buffer + count,
PQI_DEV_INFO_BUFFER_LENGTH - count,
"%d:%d",
device->target,
device->lun);
else
count += snprintf(buffer + count,
PQI_DEV_INFO_BUFFER_LENGTH - count,
"-:-");
if (pqi_is_logical_device(device))
count += snprintf(buffer + count,
PQI_DEV_INFO_BUFFER_LENGTH - count,
" %08x%08x",
*((u32 *)&device->scsi3addr),
*((u32 *)&device->scsi3addr[4]));
else
count += snprintf(buffer + count,
PQI_DEV_INFO_BUFFER_LENGTH - count,
" %016llx", device->sas_address);
count += snprintf(buffer + count, PQI_DEV_INFO_BUFFER_LENGTH - count,
" %s %.8s %.16s ",
scsi_device_type(device->devtype),
device->vendor,
device->model,
pqi_is_logical_device(device) ?
pqi_raid_level_to_string(device->raid_level) : "",
device->offload_configured ? '+' : '-',
device->offload_enabled_pending ? '+' : '-',
device->queue_depth);
device->model);
if (pqi_is_logical_device(device)) {
if (device->devtype == TYPE_DISK)
count += snprintf(buffer + count,
PQI_DEV_INFO_BUFFER_LENGTH - count,
"SSDSmartPathCap%c En%c %-12s",
device->offload_configured ? '+' : '-',
(device->offload_enabled ||
device->offload_enabled_pending) ? '+' : '-',
pqi_raid_level_to_string(device->raid_level));
} else {
count += snprintf(buffer + count,
PQI_DEV_INFO_BUFFER_LENGTH - count,
"AIO%c", device->aio_enabled ? '+' : '-');
if (device->devtype == TYPE_DISK ||
device->devtype == TYPE_ZBC)
count += snprintf(buffer + count,
PQI_DEV_INFO_BUFFER_LENGTH - count,
" qd=%-6d", device->queue_depth);
}
dev_info(&ctrl_info->pci_dev->dev, "%s %s\n", action, buffer);
}
/* Assumes the SCSI device list lock is held. */
@ -1638,14 +1680,14 @@ static void pqi_update_device_list(struct pqi_ctrl_info *ctrl_info,
/* Remove all devices that have gone away. */
list_for_each_entry_safe(device, next, &delete_list,
delete_list_entry) {
if (device->sdev)
pqi_remove_device(ctrl_info, device);
if (device->volume_offline) {
pqi_dev_info(ctrl_info, "offline", device);
pqi_show_volume_status(ctrl_info, device);
} else {
pqi_dev_info(ctrl_info, "removed", device);
}
if (device->sdev)
pqi_remove_device(ctrl_info, device);
list_del(&device->delete_list_entry);
pqi_free_device(device);
}
@ -1667,6 +1709,7 @@ static void pqi_update_device_list(struct pqi_ctrl_info *ctrl_info,
/* Expose any new devices. */
list_for_each_entry_safe(device, next, &add_list, add_list_entry) {
if (!device->sdev) {
pqi_dev_info(ctrl_info, "added", device);
rc = pqi_add_device(ctrl_info, device);
if (rc) {
dev_warn(&ctrl_info->pci_dev->dev,
@ -1675,10 +1718,8 @@ static void pqi_update_device_list(struct pqi_ctrl_info *ctrl_info,
device->bus, device->target,
device->lun);
pqi_fixup_botched_add(ctrl_info, device);
continue;
}
}
pqi_dev_info(ctrl_info, "added", device);
}
}
@ -1738,7 +1779,7 @@ static int pqi_update_scsi_devices(struct pqi_ctrl_info *ctrl_info)
bool is_physical_device;
u8 *scsi3addr;
static char *out_of_memory_msg =
"out of memory, device discovery stopped";
"failed to allocate memory, device discovery stopped";
INIT_LIST_HEAD(&new_device_list_head);
@ -1839,9 +1880,16 @@ static int pqi_update_scsi_devices(struct pqi_ctrl_info *ctrl_info)
goto out;
}
if (rc) {
dev_warn(&ctrl_info->pci_dev->dev,
"obtaining device info failed, skipping device %016llx\n",
get_unaligned_be64(device->scsi3addr));
if (device->is_physical_device)
dev_warn(&ctrl_info->pci_dev->dev,
"obtaining device info failed, skipping physical device %016llx\n",
get_unaligned_be64(
&phys_lun_ext_entry->wwid));
else
dev_warn(&ctrl_info->pci_dev->dev,
"obtaining device info failed, skipping logical device %08x%08x\n",
*((u32 *)&device->scsi3addr),
*((u32 *)&device->scsi3addr[4]));
rc = 0;
continue;
}