redonkable/alistair23-linux
redonkable/alistair23-linux
1
0
Fork 0
Code Releases Activity

scsi: megaraid_sas: RAID map is accessed for SYS PDs when use_seqnum_jbod_fp is not set

Browse source 
Signed-off-by: Shivasharan S <shivasharan.srikanteshwara@broadcom.com>
Signed-off-by: Kashyap Desai <kashyap.desai@broadcom.com>
Reviewed-by: Hannes Reinecke <hare@suse.com>
Reviewed-by: Tomas Henzl <thenzl@redhat.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
This commit is contained in:
Shivasharan S 2017-02-10 00:59:06 -08:00 committed by Martin K. Petersen
parent 3cabd16256
commit ed981b81fa
1 changed files with 14 additions and 11 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

25
drivers/scsi/megaraid/megaraid_sas_base.c
View file

@ -1756,28 +1756,31 @@ void megasas_update_sdev_properties(struct scsi_device *sdev)
fusion = instance->ctrl_context;
mr_device_priv_data = sdev->hostdata;
if (!fusion)
if (!fusion || !mr_device_priv_data)
return;
if (!MEGASAS_IS_LOGICAL(sdev) &&
instance->use_seqnum_jbod_fp) {
pd_index = (sdev->channel * MEGASAS_MAX_DEV_PER_CHANNEL) +
sdev->id;
pd_sync = (void *)fusion->pd_seq_sync
[(instance->pd_seq_map_id - 1) & 1];
mr_device_priv_data->is_tm_capable =
pd_sync->seq[pd_index].capability.tmCapable;
} else {
if (MEGASAS_IS_LOGICAL(sdev)) {
device_id = ((sdev->channel % 2) * MEGASAS_MAX_DEV_PER_CHANNEL)
+ sdev->id;
local_map_ptr = fusion->ld_drv_map[(instance->map_id & 1)];
ld = MR_TargetIdToLdGet(device_id, local_map_ptr);
if (ld >= instance->fw_supported_vd_count)
return;
raid = MR_LdRaidGet(ld, local_map_ptr);
if (raid->capability.ldPiMode == MR_PROT_INFO_TYPE_CONTROLLER)
blk_queue_update_dma_alignment(sdev->request_queue, 0x7);
blk_queue_update_dma_alignment(sdev->request_queue,
0x7);
mr_device_priv_data->is_tm_capable =
raid->capability.tmCapable;
} else if (instance->use_seqnum_jbod_fp) {
pd_index = (sdev->channel * MEGASAS_MAX_DEV_PER_CHANNEL) +
sdev->id;
pd_sync = (void *)fusion->pd_seq_sync
[(instance->pd_seq_map_id - 1) & 1];
mr_device_priv_data->is_tm_capable =
pd_sync->seq[pd_index].capability.tmCapable;
}
}