diff options
| author | Arnaldo Carvalho de Melo <acme@redhat.com> | 2021-11-06 21:49:33 +0300 |
|---|---|---|
| committer | Arnaldo Carvalho de Melo <acme@redhat.com> | 2021-11-06 21:49:33 +0300 |
| commit | 7f9f879243d6cf5d2d60d12065e93189cc343387 (patch) | |
| tree | e74619a16f8291f7225ee9877cf93e530243e0d3 /drivers/infiniband/hw/mlx5/cmd.c | |
| parent | 32f7aa2731b24ad8393f26d63df959d74844345f (diff) | |
| parent | fe91c4725aeed35023ba4f7a1e1adfebb6878c23 (diff) | |
| download | linux-7f9f879243d6cf5d2d60d12065e93189cc343387.tar.xz | |
Merge remote-tracking branch 'torvalds/master' into perf/core
To pick up some tools/perf/ patches that went via tip/perf/core, such
as:
tools/perf: Add mem_hops field in perf_mem_data_src structure
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'drivers/infiniband/hw/mlx5/cmd.c')
| -rw-r--r-- | drivers/infiniband/hw/mlx5/cmd.c | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/drivers/infiniband/hw/mlx5/cmd.c b/drivers/infiniband/hw/mlx5/cmd.c index a8db8a051170..ff3742b0460a 100644 --- a/drivers/infiniband/hw/mlx5/cmd.c +++ b/drivers/infiniband/hw/mlx5/cmd.c @@ -206,3 +206,29 @@ out: kfree(in); return err; } + +int mlx5_cmd_uar_alloc(struct mlx5_core_dev *dev, u32 *uarn, u16 uid) +{ + u32 out[MLX5_ST_SZ_DW(alloc_uar_out)] = {}; + u32 in[MLX5_ST_SZ_DW(alloc_uar_in)] = {}; + int err; + + MLX5_SET(alloc_uar_in, in, opcode, MLX5_CMD_OP_ALLOC_UAR); + MLX5_SET(alloc_uar_in, in, uid, uid); + err = mlx5_cmd_exec_inout(dev, alloc_uar, in, out); + if (err) + return err; + + *uarn = MLX5_GET(alloc_uar_out, out, uar); + return 0; +} + +int mlx5_cmd_uar_dealloc(struct mlx5_core_dev *dev, u32 uarn, u16 uid) +{ + u32 in[MLX5_ST_SZ_DW(dealloc_uar_in)] = {}; + + MLX5_SET(dealloc_uar_in, in, opcode, MLX5_CMD_OP_DEALLOC_UAR); + MLX5_SET(dealloc_uar_in, in, uar, uarn); + MLX5_SET(dealloc_uar_in, in, uid, uid); + return mlx5_cmd_exec_in(dev, dealloc_uar, in); +} |