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authorXiang Chen <chenxiang66@hisilicon.com>2017-06-14 23:33:32 +0800
committerMartin K. Petersen <martin.petersen@oracle.com>2017-06-19 21:31:26 -0400
commitd30ff2632333dab794d3be14e16ca8c42dfc294d (patch)
treed2abba5388322309c4ba5512110a6c4a81f7bb0a /drivers/scsi/hisi_sas/hisi_sas_main.c
parentscsi: hisi_sas: add v3 code to fill some more hw function pointers (diff)
downloadlinux-dev-d30ff2632333dab794d3be14e16ca8c42dfc294d.tar.xz
linux-dev-d30ff2632333dab794d3be14e16ca8c42dfc294d.zip
scsi: hisi_sas: modify internal abort dev flow for v3 hw
There is a change for abort dev for v3 hw: add registers to configure unaborted iptt for a device, and then inform this to logic. Signed-off-by: Xiang Chen <chenxiang66@hisilicon.com> Signed-off-by: John Garry <john.garry@huawei.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Diffstat (limited to 'drivers/scsi/hisi_sas/hisi_sas_main.c')
-rw-r--r--drivers/scsi/hisi_sas/hisi_sas_main.c15
1 files changed, 15 insertions, 0 deletions
diff --git a/drivers/scsi/hisi_sas/hisi_sas_main.c b/drivers/scsi/hisi_sas/hisi_sas_main.c
index 124a3ff569fd..e2f8d928e579 100644
--- a/drivers/scsi/hisi_sas/hisi_sas_main.c
+++ b/drivers/scsi/hisi_sas/hisi_sas_main.c
@@ -727,6 +727,13 @@ static void hisi_sas_release_tasks(struct hisi_hba *hisi_hba)
}
}
+static void hisi_sas_dereg_device(struct hisi_hba *hisi_hba,
+ struct domain_device *device)
+{
+ if (hisi_hba->hw->dereg_device)
+ hisi_hba->hw->dereg_device(hisi_hba, device);
+}
+
static void hisi_sas_dev_gone(struct domain_device *device)
{
struct hisi_sas_device *sas_dev = device->lldd_dev;
@@ -740,6 +747,8 @@ static void hisi_sas_dev_gone(struct domain_device *device)
hisi_sas_internal_task_abort(hisi_hba, device,
HISI_SAS_INT_ABT_DEV, 0);
+ hisi_sas_dereg_device(hisi_hba, device);
+
hisi_hba->hw->free_device(hisi_hba, sas_dev);
device->lldd_dev = NULL;
memset(sas_dev, 0, sizeof(*sas_dev));
@@ -1071,6 +1080,7 @@ static int hisi_sas_abort_task(struct sas_task *task)
if (task->dev->dev_type == SAS_SATA_DEV) {
hisi_sas_internal_task_abort(hisi_hba, device,
HISI_SAS_INT_ABT_DEV, 0);
+ hisi_sas_dereg_device(hisi_hba, device);
rc = hisi_sas_softreset_ata_disk(device);
}
} else if (task->lldd_task && task->task_proto & SAS_PROTOCOL_SMP) {
@@ -1137,6 +1147,10 @@ static int hisi_sas_I_T_nexus_reset(struct domain_device *device)
return TMF_RESP_FUNC_FAILED;
sas_dev->dev_status = HISI_SAS_DEV_NORMAL;
+ hisi_sas_internal_task_abort(hisi_hba, device,
+ HISI_SAS_INT_ABT_DEV, 0);
+ hisi_sas_dereg_device(hisi_hba, device);
+
rc = hisi_sas_debug_I_T_nexus_reset(device);
if (rc == TMF_RESP_FUNC_COMPLETE) {
@@ -1164,6 +1178,7 @@ static int hisi_sas_lu_reset(struct domain_device *device, u8 *lun)
HISI_SAS_INT_ABT_DEV, 0);
if (rc == TMF_RESP_FUNC_FAILED)
goto out;
+ hisi_sas_dereg_device(hisi_hba, device);
phy = sas_get_local_phy(device);