Commit 597589b5 authored by wangsirong's avatar wangsirong Committed by Xie XiuQi
Browse files

RDMA/hns: Add cmd for clear extend doorbell list 



driver inclusion
category: bugfix
bugzilla: NA
CVE: NA

When unloading the RoCE driver, the address of
DB was reserved in hw, which should be clear
when reloading the RoCE driver.

Feature or Bugfix: Bugfix

Signed-off-by: default avatarwangsirong <wangsirong@huawei.com>
Signed-off-by: default avatarliyangyang (M) <liyangyang20@huawei.com>
Reviewed-by: default avataroulijun <oulijun@huawei.com>
Reviewed-by: default avatarliuyixian <liuyixian@huawei.com>
Reviewed-by: default avatarYang Yingliang <yangyingliang@huawei.com>
Signed-off-by: default avatarYang Yingliang <yangyingliang@huawei.com>
parent 50355b5b

drivers/infiniband/hw/hns/hns_roce_hw_v2.c

+15 −0
Original line number Diff line number Diff line
@@ -1354,6 +1354,19 @@ static void hns_roce_function_clear(struct hns_roce_dev *hr_dev) 
		hns_roce_clear_func(hr_dev, i);

}



static void 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)

		dev_warn(hr_dev->dev, "clear extend doorbell memory failed, ret = %d.\n",

			ret);

}



static int hns_roce_query_fw_ver(struct hns_roce_dev *hr_dev)

{

	struct hns_roce_query_fw_info *resp;
@@ -2152,6 +2165,8 @@ static int hns_roce_v2_init(struct hns_roce_dev *hr_dev) 
			goto err_cqc_timer_failed;

		}

	}

	if (hr_dev->pci_dev->revision == PCI_REVISION_ID_HIP08_B)

		hns_roce_clear_extdb_list_info(hr_dev);



	return 0;

drivers/infiniband/hw/hns/hns_roce_hw_v2.h

+1 −0
Original line number Diff line number Diff line
@@ -276,6 +276,7 @@ enum hns_roce_opcode_type { 
	HNS_ROCE_OPC_SCC_CTX_CLR			= 0x8509,

	HNS_ROCE_OPC_QUERY_SCC_CTX			= 0x850a,

	HNS_ROCE_OPC_RESET_SCC_CTX			= 0x850b,

	HNS_ROCE_OPC_CLEAR_EXTDB_LIST_INFO		= 0x850d,

	HNS_QUERY_FW_VER				= 0x0001,

	HNS_SWITCH_PARAMETER_CFG			= 0x1033,