Implement ib_get_qp_err_syndrome using a query_qp FW call
and return the result in a human readable string.
Signed-off-by: Patrisious Haddad <phaddad@xxxxxxxxxx>
Reviewed-by: Leon Romanovsky <leonro@xxxxxxxxxx>
---
drivers/infiniband/hw/mlx5/main.c | 1 +
drivers/infiniband/hw/mlx5/mlx5_ib.h | 1 +
drivers/infiniband/hw/mlx5/qp.c | 42 +++++++++++++++++++++++++++-
drivers/infiniband/hw/mlx5/qp.h | 2 +-
drivers/infiniband/hw/mlx5/qpc.c | 4 ++-
5 files changed, 47 insertions(+), 3 deletions(-)
diff --git a/drivers/infiniband/hw/mlx5/main.c b/drivers/infiniband/hw/mlx5/main.c
index 7c40efae96a3..c18d3e36542b 100644
--- a/drivers/infiniband/hw/mlx5/main.c
+++ b/drivers/infiniband/hw/mlx5/main.c
@@ -3716,6 +3716,7 @@ static const struct ib_device_ops mlx5_ib_dev_ops = {
.get_dev_fw_str = get_dev_fw_str,
.get_dma_mr = mlx5_ib_get_dma_mr,
.get_link_layer = mlx5_ib_port_link_layer,
+ .get_qp_err_syndrome = mlx5_ib_get_qp_err_syndrome,
.map_mr_sg = mlx5_ib_map_mr_sg,
.map_mr_sg_pi = mlx5_ib_map_mr_sg_pi,
.mmap = mlx5_ib_mmap,
diff --git a/drivers/infiniband/hw/mlx5/mlx5_ib.h b/drivers/infiniband/hw/mlx5/mlx5_ib.h
index 2e2ad3918385..bbd414cbd695 100644
--- a/drivers/infiniband/hw/mlx5/mlx5_ib.h
+++ b/drivers/infiniband/hw/mlx5/mlx5_ib.h
@@ -1232,6 +1232,7 @@ int mlx5_ib_modify_qp(struct ib_qp *ibqp, struct ib_qp_attr *attr,
int attr_mask, struct ib_udata *udata);
int mlx5_ib_query_qp(struct ib_qp *ibqp, struct ib_qp_attr *qp_attr, int qp_attr_mask,
struct ib_qp_init_attr *qp_init_attr);
+int mlx5_ib_get_qp_err_syndrome(struct ib_qp *ibqp, char *str);
int mlx5_ib_destroy_qp(struct ib_qp *qp, struct ib_udata *udata);
void mlx5_ib_drain_sq(struct ib_qp *qp);
void mlx5_ib_drain_rq(struct ib_qp *qp);
diff --git a/drivers/infiniband/hw/mlx5/qp.c b/drivers/infiniband/hw/mlx5/qp.c
index 40d9410ec303..7cf2fe549b9a 100644
--- a/drivers/infiniband/hw/mlx5/qp.c
+++ b/drivers/infiniband/hw/mlx5/qp.c
@@ -4806,7 +4806,8 @@ static int query_qp_attr(struct mlx5_ib_dev *dev, struct mlx5_ib_qp *qp,
if (!outb)
return -ENOMEM;
- err = mlx5_core_qp_query(dev, &qp->trans_qp.base.mqp, outb, outlen);
+ err = mlx5_core_qp_query(dev, &qp->trans_qp.base.mqp, outb, outlen,
+ false);
if (err)
goto out;
@@ -4992,6 +4993,45 @@ int mlx5_ib_query_qp(struct ib_qp *ibqp, struct ib_qp_attr *qp_attr,
return err;
}
+int mlx5_ib_get_qp_err_syndrome(struct ib_qp *ibqp, char *str)
+{
+ struct mlx5_ib_dev *dev = to_mdev(ibqp->device);
+ int outlen = MLX5_ST_SZ_BYTES(query_qp_out);
+ struct mlx5_ib_qp *qp = to_mqp(ibqp);
+ void *pas_ext_union, *err_syn;
+ u32 *outb;
+ int err;
+
+ if (!MLX5_CAP_GEN(dev->mdev, qpc_extension) ||
+ !MLX5_CAP_GEN(dev->mdev, qp_error_syndrome))
+ return -EOPNOTSUPP;
+
+ outb = kzalloc(outlen, GFP_KERNEL);
+ if (!outb)
+ return -ENOMEM;
+
+ err = mlx5_core_qp_query(dev, &qp->trans_qp.base.mqp, outb, outlen,
+ true);
+ if (err)
+ goto out;
+
+ pas_ext_union =
+ MLX5_ADDR_OF(query_qp_out, outb, qp_pas_or_qpc_ext_and_pas);
+ err_syn = MLX5_ADDR_OF(qpc_extension_and_pas_list_in, pas_ext_union,
+ qpc_data_extension.error_syndrome);
+
+ scnprintf(str, IB_ERR_SYNDROME_LENGTH, "%s (0x%x 0x%x 0x%x)\n",
+ ib_wc_status_msg(
+ MLX5_GET(cqe_error_syndrome, err_syn, syndrome)),
+ MLX5_GET(cqe_error_syndrome, err_syn, vendor_error_syndrome),
+ MLX5_GET(cqe_error_syndrome, err_syn, hw_syndrome_type),
+ MLX5_GET(cqe_error_syndrome, err_syn, hw_error_syndrome));
+
+out:
+ kfree(outb);
+ return err;
+}
+
int mlx5_ib_alloc_xrcd(struct ib_xrcd *ibxrcd, struct ib_udata *udata)
{
struct mlx5_ib_dev *dev = to_mdev(ibxrcd->device);
diff --git a/drivers/infiniband/hw/mlx5/qp.h b/drivers/infiniband/hw/mlx5/qp.h
index 5d4e140db99c..8d792ca00b32 100644
--- a/drivers/infiniband/hw/mlx5/qp.h
+++ b/drivers/infiniband/hw/mlx5/qp.h
@@ -20,7 +20,7 @@ int mlx5_core_qp_modify(struct mlx5_ib_dev *dev, u16 opcode, u32 opt_param_mask,
int mlx5_core_destroy_qp(struct mlx5_ib_dev *dev, struct mlx5_core_qp *qp);
int mlx5_core_destroy_dct(struct mlx5_ib_dev *dev, struct mlx5_core_dct *dct);
int mlx5_core_qp_query(struct mlx5_ib_dev *dev, struct mlx5_core_qp *qp,
- u32 *out, int outlen);
+ u32 *out, int outlen, bool qpc_ext);
int mlx5_core_dct_query(struct mlx5_ib_dev *dev, struct mlx5_core_dct *dct,
u32 *out, int outlen);
diff --git a/drivers/infiniband/hw/mlx5/qpc.c b/drivers/infiniband/hw/mlx5/qpc.c
index 542e4c63a8de..7a1854aab441 100644
--- a/drivers/infiniband/hw/mlx5/qpc.c
+++ b/drivers/infiniband/hw/mlx5/qpc.c
@@ -504,12 +504,14 @@ void mlx5_cleanup_qp_table(struct mlx5_ib_dev *dev)
}
int mlx5_core_qp_query(struct mlx5_ib_dev *dev, struct mlx5_core_qp *qp,
- u32 *out, int outlen)
+ u32 *out, int outlen, bool qpc_ext)
{
u32 in[MLX5_ST_SZ_DW(query_qp_in)] = {};
MLX5_SET(query_qp_in, in, opcode, MLX5_CMD_OP_QUERY_QP);
MLX5_SET(query_qp_in, in, qpn, qp->qpn);
+ MLX5_SET(query_qp_in, in, qpc_ext, qpc_ext);
+
return mlx5_cmd_exec(dev->mdev, in, sizeof(in), out, outlen);
}
--
2.18.1
