From: Chengchang Tang <tangchengchang@xxxxxxxxxx>
The error code is fixed to EIO when CMD fails to excute. This patch
converts the error status reported by firmware to linux errno.
Fixes: a04ff739f2a9 ("RDMA/hns: Add command queue support for hip08 RoCE driver")
Signed-off-by: Chengchang Tang <tangchengchang@xxxxxxxxxx>
Signed-off-by: Haoyue Xu <xuhaoyue1@xxxxxxxxxxxxx>
---
drivers/infiniband/hw/hns/hns_roce_hw_v2.c | 26 +++++++++++++++++++++-
drivers/infiniband/hw/hns/hns_roce_hw_v2.h | 5 +++++
2 files changed, 30 insertions(+), 1 deletion(-)
diff --git a/drivers/infiniband/hw/hns/hns_roce_hw_v2.c b/drivers/infiniband/hw/hns/hns_roce_hw_v2.c
index 6e74735bbcf8..f32100c6f1d9 100644
--- a/drivers/infiniband/hw/hns/hns_roce_hw_v2.c
+++ b/drivers/infiniband/hw/hns/hns_roce_hw_v2.c
@@ -1277,6 +1277,30 @@ static void update_cmdq_status(struct hns_roce_dev *hr_dev)
hr_dev->cmd.state = HNS_ROCE_CMDQ_STATE_FATAL_ERR;
}
+static int hns_roce_cmd_err_convert_errno(u16 desc_ret)
+{
+ struct hns_roce_cmd_errcode errcode_table[] = {
+ {CMD_EXEC_SUCCESS, 0},
+ {CMD_NO_AUTH, -EPERM},
+ {CMD_NOT_EXIST, -EOPNOTSUPP},
+ {CMD_CRQ_FULL, -EXFULL},
+ {CMD_NEXT_ERR, -ENOSR},
+ {CMD_NOT_EXEC, -ENOTBLK},
+ {CMD_PARA_ERR, -EINVAL},
+ {CMD_RESULT_ERR, -ERANGE},
+ {CMD_TIMEOUT, -ETIME},
+ {CMD_HILINK_ERR, -ENOLINK},
+ {CMD_INFO_ILLEGAL, -ENXIO},
+ {CMD_INVALID, -EBADR},
+ };
+ u16 i;
+
+ for (i = 0; i < ARRAY_SIZE(errcode_table); i++)
+ if (desc_ret == errcode_table[i].return_status)
+ return errcode_table[i].errno;
+ return -EIO;
+}
+
static int __hns_roce_cmq_send(struct hns_roce_dev *hr_dev,
struct hns_roce_cmq_desc *desc, int num)
{
@@ -1322,7 +1346,7 @@ static int __hns_roce_cmq_send(struct hns_roce_dev *hr_dev,
dev_err_ratelimited(hr_dev->dev,
"Cmdq IO error, opcode = 0x%x, return = 0x%x.\n",
desc->opcode, desc_ret);
- ret = -EIO;
+ ret = hns_roce_cmd_err_convert_errno(desc_ret);
}
} else {
/* FW/HW reset or incorrect number of desc */
diff --git a/drivers/infiniband/hw/hns/hns_roce_hw_v2.h b/drivers/infiniband/hw/hns/hns_roce_hw_v2.h
index 017462e52843..47fad456839d 100644
--- a/drivers/infiniband/hw/hns/hns_roce_hw_v2.h
+++ b/drivers/infiniband/hw/hns/hns_roce_hw_v2.h
@@ -273,6 +273,11 @@ enum hns_roce_cmd_return_status {
CMD_OTHER_ERR = 0xff
};
+struct hns_roce_cmd_errcode {
+ enum hns_roce_cmd_return_status return_status;
+ int errno;
+};
+
enum hns_roce_sgid_type {
GID_TYPE_FLAG_ROCE_V1 = 0,
GID_TYPE_FLAG_ROCE_V2_IPV4,
--
2.30.0
