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RDMA/hns: Clear extended doorbell info before using 

Both of HIP08 and HIP09 require the extended doorbell information to be
cleared before being used.

Fixes: 6b63597d35 ("RDMA/hns: Add TSQ link table support")
Link: https://lore.kernel.org/r/1623392089-35639-1-git-send-email-liweihang@huawei.com
Signed-off-by: Xi Wang <wangxi11@huawei.com>
Signed-off-by: Weihang Li <liweihang@huawei.com>
Reviewed-by: Leon Romanovsky <leonro@nvidia.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
This commit is contained in:
Xi Wang 2021-06-11 14:14:49 +08:00 committed by Jason Gunthorpe
parent a95fbe2aba
commit 7e78dd816e
2 changed files with 22 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

21
drivers/infiniband/hw/hns/hns_roce_hw_v2.c
View File

@ -1572,6 +1572,22 @@ static void hns_roce_function_clear(struct hns_roce_dev *hr_dev)
}
}
static int hns_roce_clear_extdb_list_info(struct hns_roce_dev *hr_dev)
{
struct hns_roce_cmq_desc desc;
int ret;
hns_roce_cmq_setup_basic_desc(&desc, HNS_ROCE_OPC_CLEAR_EXTDB_LIST_INFO,
false);
ret = hns_roce_cmq_send(hr_dev, &desc, 1);
if (ret)
ibdev_err(&hr_dev->ib_dev,
"failed to clear extended doorbell info, ret = %d.\n",
ret);
return ret;
}
static int hns_roce_query_fw_ver(struct hns_roce_dev *hr_dev)
{
struct hns_roce_query_fw_info *resp;
@ -2756,6 +2772,11 @@ static int hns_roce_v2_init(struct hns_roce_dev *hr_dev)
{
int ret;
/* The hns ROCEE requires the extdb info to be cleared before using */
ret = hns_roce_clear_extdb_list_info(hr_dev);
if (ret)
return ret;
ret = get_hem_table(hr_dev);
if (ret)
return ret;

1
drivers/infiniband/hw/hns/hns_roce_hw_v2.h
View File

@ -250,6 +250,7 @@ enum hns_roce_opcode_type {
HNS_ROCE_OPC_CLR_SCCC = 0x8509,
HNS_ROCE_OPC_QUERY_SCCC = 0x850a,
HNS_ROCE_OPC_RESET_SCCC = 0x850b,
HNS_ROCE_OPC_CLEAR_EXTDB_LIST_INFO = 0x850d,
HNS_ROCE_OPC_QUERY_VF_RES = 0x850e,
HNS_ROCE_OPC_CFG_GMV_TBL = 0x850f,
HNS_ROCE_OPC_CFG_GMV_BT = 0x8510,