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scsi: hisi_sas: add host reset interface for test

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Add host reset interface to make it easier for testing the host reset
feature.

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>
This commit is contained in:
Xiang Chen 2019-04-11 20:46:36 +08:00 committed by Martin K. Petersen
parent 17631462cd
commit a97fa58680
4 changed files with 16 additions and 0 deletions
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13
drivers/scsi/hisi_sas/hisi_sas_main.c
View File

@ -2234,6 +2234,19 @@ void hisi_sas_kill_tasklets(struct hisi_hba *hisi_hba)
}
EXPORT_SYMBOL_GPL(hisi_sas_kill_tasklets);
int hisi_sas_host_reset(struct Scsi_Host *shost, int reset_type)
{
struct hisi_hba *hisi_hba = shost_priv(shost);
if (reset_type != SCSI_ADAPTER_RESET)
return -EOPNOTSUPP;
queue_work(hisi_hba->wq, &hisi_hba->rst_work);
return 0;
}
EXPORT_SYMBOL_GPL(hisi_sas_host_reset);
struct scsi_transport_template *hisi_sas_stt;
EXPORT_SYMBOL_GPL(hisi_sas_stt);

1
drivers/scsi/hisi_sas/hisi_sas_v1_hw.c
View File

@ -1823,6 +1823,7 @@ static struct scsi_host_template sht_v1_hw = {
.target_destroy = sas_target_destroy,
.ioctl = sas_ioctl,
.shost_attrs = host_attrs_v1_hw,
.host_reset = hisi_sas_host_reset,
};
static const struct hisi_sas_hw hisi_sas_v1_hw = {

1
drivers/scsi/hisi_sas/hisi_sas_v2_hw.c
View File

@ -3599,6 +3599,7 @@ static struct scsi_host_template sht_v2_hw = {
.target_destroy = sas_target_destroy,
.ioctl = sas_ioctl,
.shost_attrs = host_attrs_v2_hw,
.host_reset = hisi_sas_host_reset,
};
static const struct hisi_sas_hw hisi_sas_v2_hw = {

1
drivers/scsi/hisi_sas/hisi_sas_v3_hw.c
View File

@ -2678,6 +2678,7 @@ static struct scsi_host_template sht_v3_hw = {
.ioctl = sas_ioctl,
.shost_attrs = host_attrs_v3_hw,
.tag_alloc_policy = BLK_TAG_ALLOC_RR,
.host_reset = hisi_sas_host_reset,
};
static const struct hisi_sas_hw hisi_sas_v3_hw = {