opnsense-src/sys/ofed/include/uapi/rdma/mlx5_user_ioctl_cmds.h
Hans Petter Selasky b633e08c70 ibcore: Kernel space update based on Linux 5.7-rc1.
Overview:

This is the first stage of a RDMA stack upgrade introducing kernel
changes only based on Linux 5.7-rc1.

This patch is based on about four main areas of work:
- Update of the IB uobjects system:
  - The memory holding so-called AH, CQ, PD, SRQ and UCONTEXT objects
    is now managed by ibcore. This also require some changes in the
    kernel verbs API. The updated verbs changes are typically about
    initialize and deinitialize objects, and remove allocation and
    free of memory.

- Update of the uverbs IOCTL framework:
  - The parsing and handling of user-space commands has been
    completely refactored to integrate with the updated IB uobjects
    system.

- Various changes and updates to the generic uverbs interfaces in
  device drivers including the new uAPI surface.

- The mlx5_ib_devx.c in mlx5ib and related mlx5 core changes.

Dependencies:

- The mlx4ib driver code has been updated with the minimum changes
needed.

- The mlx5ib driver code has been updated with the minimum changes
needed including DV support.

Compatibility:

- All user-space facing APIs are backwards compatible after this
  change.

- All kernel-space facing RDMA APIs are backwards compatible after
  this change, with exception of ib_create_ah() and ib_destroy_ah()
  which takes a new flag.

- The "ib_device_ops" structure exist, but only contains the driver ID
  and some structure sizes.

Differences from Linux:

- Infiniband drivers must use the INIT_IB_DEVICE_OPS() macro to set
  the sizes needed for allocating various IB objects, when adding
  IB device instances.

Security:

- PRIV_NET_RAW is needed to use raw ethernet transmit features.
- PRIV_DRIVER is needed to use other privileged operations.

Based on upstream Linux, Torvalds (5.7-rc1):
8632e9b5645bbc2331d21d892b0d6961c1a08429

MFC after:	1 week
Reviewed by:	kib
Differential Revision:	https://reviews.freebsd.org/D31149
Sponsored by:	NVIDIA Networking
2021-07-28 13:28:29 +02:00

283 lines
8.6 KiB
C

/*
* Copyright (c) 2018, Mellanox Technologies inc. All rights reserved.
*
* This software is available to you under a choice of one of two
* licenses. You may choose to be licensed under the terms of the GNU
* General Public License (GPL) Version 2, available from the file
* COPYING in the main directory of this source tree, or the
* OpenIB.org BSD license below:
*
* Redistribution and use in source and binary forms, with or
* without modification, are permitted provided that the following
* conditions are met:
*
* - Redistributions of source code must retain the above
* copyright notice, this list of conditions and the following
* disclaimer.
*
* - Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following
* disclaimer in the documentation and/or other materials
* provided with the distribution.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
#ifndef MLX5_USER_IOCTL_CMDS_H
#define MLX5_USER_IOCTL_CMDS_H
#include <linux/types.h>
#include <rdma/ib_user_ioctl_cmds.h>
enum mlx5_ib_create_flow_action_attrs {
/* This attribute belong to the driver namespace */
MLX5_IB_ATTR_CREATE_FLOW_ACTION_FLAGS = (1U << UVERBS_ID_NS_SHIFT),
};
enum mlx5_ib_alloc_dm_attrs {
MLX5_IB_ATTR_ALLOC_DM_RESP_START_OFFSET = (1U << UVERBS_ID_NS_SHIFT),
MLX5_IB_ATTR_ALLOC_DM_RESP_PAGE_INDEX,
MLX5_IB_ATTR_ALLOC_DM_REQ_TYPE,
};
enum mlx5_ib_devx_methods {
MLX5_IB_METHOD_DEVX_OTHER = (1U << UVERBS_ID_NS_SHIFT),
MLX5_IB_METHOD_DEVX_QUERY_UAR,
MLX5_IB_METHOD_DEVX_QUERY_EQN,
MLX5_IB_METHOD_DEVX_SUBSCRIBE_EVENT,
};
enum mlx5_ib_devx_other_attrs {
MLX5_IB_ATTR_DEVX_OTHER_CMD_IN = (1U << UVERBS_ID_NS_SHIFT),
MLX5_IB_ATTR_DEVX_OTHER_CMD_OUT,
};
enum mlx5_ib_devx_obj_create_attrs {
MLX5_IB_ATTR_DEVX_OBJ_CREATE_HANDLE = (1U << UVERBS_ID_NS_SHIFT),
MLX5_IB_ATTR_DEVX_OBJ_CREATE_CMD_IN,
MLX5_IB_ATTR_DEVX_OBJ_CREATE_CMD_OUT,
};
enum mlx5_ib_devx_query_uar_attrs {
MLX5_IB_ATTR_DEVX_QUERY_UAR_USER_IDX = (1U << UVERBS_ID_NS_SHIFT),
MLX5_IB_ATTR_DEVX_QUERY_UAR_DEV_IDX,
};
enum mlx5_ib_devx_obj_destroy_attrs {
MLX5_IB_ATTR_DEVX_OBJ_DESTROY_HANDLE = (1U << UVERBS_ID_NS_SHIFT),
};
enum mlx5_ib_devx_obj_modify_attrs {
MLX5_IB_ATTR_DEVX_OBJ_MODIFY_HANDLE = (1U << UVERBS_ID_NS_SHIFT),
MLX5_IB_ATTR_DEVX_OBJ_MODIFY_CMD_IN,
MLX5_IB_ATTR_DEVX_OBJ_MODIFY_CMD_OUT,
};
enum mlx5_ib_devx_obj_query_attrs {
MLX5_IB_ATTR_DEVX_OBJ_QUERY_HANDLE = (1U << UVERBS_ID_NS_SHIFT),
MLX5_IB_ATTR_DEVX_OBJ_QUERY_CMD_IN,
MLX5_IB_ATTR_DEVX_OBJ_QUERY_CMD_OUT,
};
enum mlx5_ib_devx_obj_query_async_attrs {
MLX5_IB_ATTR_DEVX_OBJ_QUERY_ASYNC_HANDLE = (1U << UVERBS_ID_NS_SHIFT),
MLX5_IB_ATTR_DEVX_OBJ_QUERY_ASYNC_CMD_IN,
MLX5_IB_ATTR_DEVX_OBJ_QUERY_ASYNC_FD,
MLX5_IB_ATTR_DEVX_OBJ_QUERY_ASYNC_WR_ID,
MLX5_IB_ATTR_DEVX_OBJ_QUERY_ASYNC_OUT_LEN,
};
enum mlx5_ib_devx_subscribe_event_attrs {
MLX5_IB_ATTR_DEVX_SUBSCRIBE_EVENT_FD_HANDLE = (1U << UVERBS_ID_NS_SHIFT),
MLX5_IB_ATTR_DEVX_SUBSCRIBE_EVENT_OBJ_HANDLE,
MLX5_IB_ATTR_DEVX_SUBSCRIBE_EVENT_TYPE_NUM_LIST,
MLX5_IB_ATTR_DEVX_SUBSCRIBE_EVENT_FD_NUM,
MLX5_IB_ATTR_DEVX_SUBSCRIBE_EVENT_COOKIE,
};
enum mlx5_ib_devx_query_eqn_attrs {
MLX5_IB_ATTR_DEVX_QUERY_EQN_USER_VEC = (1U << UVERBS_ID_NS_SHIFT),
MLX5_IB_ATTR_DEVX_QUERY_EQN_DEV_EQN,
};
enum mlx5_ib_devx_obj_methods {
MLX5_IB_METHOD_DEVX_OBJ_CREATE = (1U << UVERBS_ID_NS_SHIFT),
MLX5_IB_METHOD_DEVX_OBJ_DESTROY,
MLX5_IB_METHOD_DEVX_OBJ_MODIFY,
MLX5_IB_METHOD_DEVX_OBJ_QUERY,
MLX5_IB_METHOD_DEVX_OBJ_ASYNC_QUERY,
};
enum mlx5_ib_var_alloc_attrs {
MLX5_IB_ATTR_VAR_OBJ_ALLOC_HANDLE = (1U << UVERBS_ID_NS_SHIFT),
MLX5_IB_ATTR_VAR_OBJ_ALLOC_MMAP_OFFSET,
MLX5_IB_ATTR_VAR_OBJ_ALLOC_MMAP_LENGTH,
MLX5_IB_ATTR_VAR_OBJ_ALLOC_PAGE_ID,
};
enum mlx5_ib_var_obj_destroy_attrs {
MLX5_IB_ATTR_VAR_OBJ_DESTROY_HANDLE = (1U << UVERBS_ID_NS_SHIFT),
};
enum mlx5_ib_var_obj_methods {
MLX5_IB_METHOD_VAR_OBJ_ALLOC = (1U << UVERBS_ID_NS_SHIFT),
MLX5_IB_METHOD_VAR_OBJ_DESTROY,
};
enum mlx5_ib_uar_alloc_attrs {
MLX5_IB_ATTR_UAR_OBJ_ALLOC_HANDLE = (1U << UVERBS_ID_NS_SHIFT),
MLX5_IB_ATTR_UAR_OBJ_ALLOC_TYPE,
MLX5_IB_ATTR_UAR_OBJ_ALLOC_MMAP_OFFSET,
MLX5_IB_ATTR_UAR_OBJ_ALLOC_MMAP_LENGTH,
MLX5_IB_ATTR_UAR_OBJ_ALLOC_PAGE_ID,
};
enum mlx5_ib_uar_obj_destroy_attrs {
MLX5_IB_ATTR_UAR_OBJ_DESTROY_HANDLE = (1U << UVERBS_ID_NS_SHIFT),
};
enum mlx5_ib_uar_obj_methods {
MLX5_IB_METHOD_UAR_OBJ_ALLOC = (1U << UVERBS_ID_NS_SHIFT),
MLX5_IB_METHOD_UAR_OBJ_DESTROY,
};
enum mlx5_ib_devx_umem_reg_attrs {
MLX5_IB_ATTR_DEVX_UMEM_REG_HANDLE = (1U << UVERBS_ID_NS_SHIFT),
MLX5_IB_ATTR_DEVX_UMEM_REG_ADDR,
MLX5_IB_ATTR_DEVX_UMEM_REG_LEN,
MLX5_IB_ATTR_DEVX_UMEM_REG_ACCESS,
MLX5_IB_ATTR_DEVX_UMEM_REG_OUT_ID,
};
enum mlx5_ib_devx_umem_dereg_attrs {
MLX5_IB_ATTR_DEVX_UMEM_DEREG_HANDLE = (1U << UVERBS_ID_NS_SHIFT),
};
enum mlx5_ib_pp_obj_methods {
MLX5_IB_METHOD_PP_OBJ_ALLOC = (1U << UVERBS_ID_NS_SHIFT),
MLX5_IB_METHOD_PP_OBJ_DESTROY,
};
enum mlx5_ib_pp_alloc_attrs {
MLX5_IB_ATTR_PP_OBJ_ALLOC_HANDLE = (1U << UVERBS_ID_NS_SHIFT),
MLX5_IB_ATTR_PP_OBJ_ALLOC_CTX,
MLX5_IB_ATTR_PP_OBJ_ALLOC_FLAGS,
MLX5_IB_ATTR_PP_OBJ_ALLOC_INDEX,
};
enum mlx5_ib_pp_obj_destroy_attrs {
MLX5_IB_ATTR_PP_OBJ_DESTROY_HANDLE = (1U << UVERBS_ID_NS_SHIFT),
};
enum mlx5_ib_devx_umem_methods {
MLX5_IB_METHOD_DEVX_UMEM_REG = (1U << UVERBS_ID_NS_SHIFT),
MLX5_IB_METHOD_DEVX_UMEM_DEREG,
};
enum mlx5_ib_devx_async_cmd_fd_alloc_attrs {
MLX5_IB_ATTR_DEVX_ASYNC_CMD_FD_ALLOC_HANDLE = (1U << UVERBS_ID_NS_SHIFT),
};
enum mlx5_ib_devx_async_event_fd_alloc_attrs {
MLX5_IB_ATTR_DEVX_ASYNC_EVENT_FD_ALLOC_HANDLE = (1U << UVERBS_ID_NS_SHIFT),
MLX5_IB_ATTR_DEVX_ASYNC_EVENT_FD_ALLOC_FLAGS,
};
enum mlx5_ib_devx_async_cmd_fd_methods {
MLX5_IB_METHOD_DEVX_ASYNC_CMD_FD_ALLOC = (1U << UVERBS_ID_NS_SHIFT),
};
enum mlx5_ib_devx_async_event_fd_methods {
MLX5_IB_METHOD_DEVX_ASYNC_EVENT_FD_ALLOC = (1U << UVERBS_ID_NS_SHIFT),
};
enum mlx5_ib_objects {
MLX5_IB_OBJECT_DEVX = (1U << UVERBS_ID_NS_SHIFT),
MLX5_IB_OBJECT_DEVX_OBJ,
MLX5_IB_OBJECT_DEVX_UMEM,
MLX5_IB_OBJECT_FLOW_MATCHER,
MLX5_IB_OBJECT_DEVX_ASYNC_CMD_FD,
MLX5_IB_OBJECT_DEVX_ASYNC_EVENT_FD,
MLX5_IB_OBJECT_VAR,
MLX5_IB_OBJECT_PP,
MLX5_IB_OBJECT_UAR,
};
enum mlx5_ib_flow_matcher_create_attrs {
MLX5_IB_ATTR_FLOW_MATCHER_CREATE_HANDLE = (1U << UVERBS_ID_NS_SHIFT),
MLX5_IB_ATTR_FLOW_MATCHER_MATCH_MASK,
MLX5_IB_ATTR_FLOW_MATCHER_FLOW_TYPE,
MLX5_IB_ATTR_FLOW_MATCHER_MATCH_CRITERIA,
MLX5_IB_ATTR_FLOW_MATCHER_FLOW_FLAGS,
MLX5_IB_ATTR_FLOW_MATCHER_FT_TYPE,
};
enum mlx5_ib_flow_matcher_destroy_attrs {
MLX5_IB_ATTR_FLOW_MATCHER_DESTROY_HANDLE = (1U << UVERBS_ID_NS_SHIFT),
};
enum mlx5_ib_flow_matcher_methods {
MLX5_IB_METHOD_FLOW_MATCHER_CREATE = (1U << UVERBS_ID_NS_SHIFT),
MLX5_IB_METHOD_FLOW_MATCHER_DESTROY,
};
#define MLX5_IB_DW_MATCH_PARAM 0x80
struct mlx5_ib_match_params {
__u32 match_params[MLX5_IB_DW_MATCH_PARAM];
};
enum mlx5_ib_flow_type {
MLX5_IB_FLOW_TYPE_NORMAL,
MLX5_IB_FLOW_TYPE_SNIFFER,
MLX5_IB_FLOW_TYPE_ALL_DEFAULT,
MLX5_IB_FLOW_TYPE_MC_DEFAULT,
};
enum mlx5_ib_create_flow_attrs {
MLX5_IB_ATTR_CREATE_FLOW_HANDLE = (1U << UVERBS_ID_NS_SHIFT),
MLX5_IB_ATTR_CREATE_FLOW_MATCH_VALUE,
MLX5_IB_ATTR_CREATE_FLOW_DEST_QP,
MLX5_IB_ATTR_CREATE_FLOW_DEST_DEVX,
MLX5_IB_ATTR_CREATE_FLOW_MATCHER,
MLX5_IB_ATTR_CREATE_FLOW_ARR_FLOW_ACTIONS,
MLX5_IB_ATTR_CREATE_FLOW_TAG,
MLX5_IB_ATTR_CREATE_FLOW_ARR_COUNTERS_DEVX,
MLX5_IB_ATTR_CREATE_FLOW_ARR_COUNTERS_DEVX_OFFSET,
};
enum mlx5_ib_destoy_flow_attrs {
MLX5_IB_ATTR_DESTROY_FLOW_HANDLE = (1U << UVERBS_ID_NS_SHIFT),
};
enum mlx5_ib_flow_methods {
MLX5_IB_METHOD_CREATE_FLOW = (1U << UVERBS_ID_NS_SHIFT),
MLX5_IB_METHOD_DESTROY_FLOW,
};
enum mlx5_ib_flow_action_methods {
MLX5_IB_METHOD_FLOW_ACTION_CREATE_MODIFY_HEADER = (1U << UVERBS_ID_NS_SHIFT),
MLX5_IB_METHOD_FLOW_ACTION_CREATE_PACKET_REFORMAT,
};
enum mlx5_ib_create_flow_action_create_modify_header_attrs {
MLX5_IB_ATTR_CREATE_MODIFY_HEADER_HANDLE = (1U << UVERBS_ID_NS_SHIFT),
MLX5_IB_ATTR_CREATE_MODIFY_HEADER_ACTIONS_PRM,
MLX5_IB_ATTR_CREATE_MODIFY_HEADER_FT_TYPE,
};
enum mlx5_ib_create_flow_action_create_packet_reformat_attrs {
MLX5_IB_ATTR_CREATE_PACKET_REFORMAT_HANDLE = (1U << UVERBS_ID_NS_SHIFT),
MLX5_IB_ATTR_CREATE_PACKET_REFORMAT_TYPE,
MLX5_IB_ATTR_CREATE_PACKET_REFORMAT_FT_TYPE,
MLX5_IB_ATTR_CREATE_PACKET_REFORMAT_DATA_BUF,
};
#endif