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path: root/drivers/infiniband/hw/mlx5/cmd.c
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Diffstat (limited to 'drivers/infiniband/hw/mlx5/cmd.c')
-rw-r--r--drivers/infiniband/hw/mlx5/cmd.c27
1 files changed, 27 insertions, 0 deletions
diff --git a/drivers/infiniband/hw/mlx5/cmd.c b/drivers/infiniband/hw/mlx5/cmd.c
index 188512bf46e6..c84fef9a8a08 100644
--- a/drivers/infiniband/hw/mlx5/cmd.c
+++ b/drivers/infiniband/hw/mlx5/cmd.c
@@ -32,6 +32,21 @@
#include "cmd.h"
+int mlx5_cmd_dump_fill_mkey(struct mlx5_core_dev *dev, u32 *mkey)
+{
+ u32 out[MLX5_ST_SZ_DW(query_special_contexts_out)] = {0};
+ u32 in[MLX5_ST_SZ_DW(query_special_contexts_in)] = {0};
+ int err;
+
+ MLX5_SET(query_special_contexts_in, in, opcode,
+ MLX5_CMD_OP_QUERY_SPECIAL_CONTEXTS);
+ err = mlx5_cmd_exec(dev, in, sizeof(in), out, sizeof(out));
+ if (!err)
+ *mkey = MLX5_GET(query_special_contexts_out, out,
+ dump_fill_mkey);
+ return err;
+}
+
int mlx5_cmd_null_mkey(struct mlx5_core_dev *dev, u32 *null_mkey)
{
u32 out[MLX5_ST_SZ_DW(query_special_contexts_out)] = {};
@@ -170,3 +185,15 @@ int mlx5_cmd_dealloc_memic(struct mlx5_memic *memic, u64 addr, u64 length)
return err;
}
+
+int mlx5_cmd_query_ext_ppcnt_counters(struct mlx5_core_dev *dev, void *out)
+{
+ u32 in[MLX5_ST_SZ_DW(ppcnt_reg)] = {};
+ int sz = MLX5_ST_SZ_BYTES(ppcnt_reg);
+
+ MLX5_SET(ppcnt_reg, in, local_port, 1);
+
+ MLX5_SET(ppcnt_reg, in, grp, MLX5_ETHERNET_EXTENDED_COUNTERS_GROUP);
+ return mlx5_core_access_reg(dev, in, sz, out, sz, MLX5_REG_PPCNT,
+ 0, 0);
+}