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net/mlx5: cmdif, Add new api for command execution

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Add mlx5_cmd_do. Unlike mlx5_cmd_exec, this function will not modify
or translate outbox.status.

The function will return:

return = 0: Command was executed, outbox.status == MLX5_CMD_STAT_OK.

return = -EREMOTEIO: Executed, outbox.status != MLX5_CMD_STAT_OK.

return < 0: Command execution couldn't be performed by FW or driver.

And document other mlx5_cmd_exec functions.

Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
Reviewed-by: Moshe Shemesh <moshe@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
This commit is contained in:
Saeed Mahameed
2019-08-17 03:05:10 -07:00
committed by Saeed Mahameed
parent 605bef0015
commit f23519e542
2 changed files with 68 additions and 13 deletions
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2
include/linux/mlx5/driver.h
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@@ -964,6 +964,8 @@ int mlx5_cmd_exec_cb(struct mlx5_async_ctx *ctx, void *in, int in_size,
void *out, int out_size, mlx5_async_cbk_t callback,
struct mlx5_async_work *work);
int mlx5_cmd_do(struct mlx5_core_dev *dev, void *in, int in_size, void *out, int out_size);
int mlx5_cmd_check(struct mlx5_core_dev *dev, int err, void *in, void *out);
int mlx5_cmd_exec(struct mlx5_core_dev *dev, void *in, int in_size, void *out,
int out_size);