cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
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cmd.c (1629B)


      1// SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB
      2/* Copyright (c) 2020 Mellanox Technologies Ltd */
      3
      4#include <linux/mlx5/driver.h>
      5#include "priv.h"
      6
      7int mlx5_cmd_alloc_sf(struct mlx5_core_dev *dev, u16 function_id)
      8{
      9	u32 out[MLX5_ST_SZ_DW(alloc_sf_out)] = {};
     10	u32 in[MLX5_ST_SZ_DW(alloc_sf_in)] = {};
     11
     12	MLX5_SET(alloc_sf_in, in, opcode, MLX5_CMD_OP_ALLOC_SF);
     13	MLX5_SET(alloc_sf_in, in, function_id, function_id);
     14
     15	return mlx5_cmd_exec(dev, in, sizeof(in), out, sizeof(out));
     16}
     17
     18int mlx5_cmd_dealloc_sf(struct mlx5_core_dev *dev, u16 function_id)
     19{
     20	u32 out[MLX5_ST_SZ_DW(dealloc_sf_out)] = {};
     21	u32 in[MLX5_ST_SZ_DW(dealloc_sf_in)] = {};
     22
     23	MLX5_SET(dealloc_sf_in, in, opcode, MLX5_CMD_OP_DEALLOC_SF);
     24	MLX5_SET(dealloc_sf_in, in, function_id, function_id);
     25
     26	return mlx5_cmd_exec(dev, in, sizeof(in), out, sizeof(out));
     27}
     28
     29int mlx5_cmd_sf_enable_hca(struct mlx5_core_dev *dev, u16 func_id)
     30{
     31	u32 out[MLX5_ST_SZ_DW(enable_hca_out)] = {};
     32	u32 in[MLX5_ST_SZ_DW(enable_hca_in)] = {};
     33
     34	MLX5_SET(enable_hca_in, in, opcode, MLX5_CMD_OP_ENABLE_HCA);
     35	MLX5_SET(enable_hca_in, in, function_id, func_id);
     36	MLX5_SET(enable_hca_in, in, embedded_cpu_function, 0);
     37	return mlx5_cmd_exec(dev, &in, sizeof(in), &out, sizeof(out));
     38}
     39
     40int mlx5_cmd_sf_disable_hca(struct mlx5_core_dev *dev, u16 func_id)
     41{
     42	u32 out[MLX5_ST_SZ_DW(disable_hca_out)] = {};
     43	u32 in[MLX5_ST_SZ_DW(disable_hca_in)] = {};
     44
     45	MLX5_SET(disable_hca_in, in, opcode, MLX5_CMD_OP_DISABLE_HCA);
     46	MLX5_SET(disable_hca_in, in, function_id, func_id);
     47	MLX5_SET(enable_hca_in, in, embedded_cpu_function, 0);
     48	return mlx5_cmd_exec(dev, in, sizeof(in), out, sizeof(out));
     49}