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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rdma_user_ioctl_cmds.h (2618B)


      1/*
      2 * Copyright (c) 2018, Mellanox Technologies inc.  All rights reserved.
      3 *
      4 * This software is available to you under a choice of one of two
      5 * licenses.  You may choose to be licensed under the terms of the GNU
      6 * General Public License (GPL) Version 2, available from the file
      7 * COPYING in the main directory of this source tree, or the
      8 * OpenIB.org BSD license below:
      9 *
     10 *     Redistribution and use in source and binary forms, with or
     11 *     without modification, are permitted provided that the following
     12 *     conditions are met:
     13 *
     14 *      - Redistributions of source code must retain the above
     15 *        copyright notice, this list of conditions and the following
     16 *        disclaimer.
     17 *
     18 *      - Redistributions in binary form must reproduce the above
     19 *        copyright notice, this list of conditions and the following
     20 *        disclaimer in the documentation and/or other materials
     21 *        provided with the distribution.
     22 *
     23 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
     24 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
     25 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
     26 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
     27 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
     28 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
     29 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
     30 * SOFTWARE.
     31 */
     32
     33#ifndef RDMA_USER_IOCTL_CMDS_H
     34#define RDMA_USER_IOCTL_CMDS_H
     35
     36#include <linux/types.h>
     37#include <linux/ioctl.h>
     38
     39/* Documentation/userspace-api/ioctl/ioctl-number.rst */
     40#define RDMA_IOCTL_MAGIC	0x1b
     41#define RDMA_VERBS_IOCTL \
     42	_IOWR(RDMA_IOCTL_MAGIC, 1, struct ib_uverbs_ioctl_hdr)
     43
     44enum {
     45	/* User input */
     46	UVERBS_ATTR_F_MANDATORY = 1U << 0,
     47	/*
     48	 * Valid output bit should be ignored and considered set in
     49	 * mandatory fields. This bit is kernel output.
     50	 */
     51	UVERBS_ATTR_F_VALID_OUTPUT = 1U << 1,
     52};
     53
     54struct ib_uverbs_attr {
     55	__u16 attr_id;		/* command specific type attribute */
     56	__u16 len;		/* only for pointers and IDRs array */
     57	__u16 flags;		/* combination of UVERBS_ATTR_F_XXXX */
     58	union {
     59		struct {
     60			__u8 elem_id;
     61			__u8 reserved;
     62		} enum_data;
     63		__u16 reserved;
     64	} attr_data;
     65	union {
     66		/*
     67		 * ptr to command, inline data, idr/fd or
     68		 * ptr to __u32 array of IDRs
     69		 */
     70		__aligned_u64 data;
     71		/* Used by FD_IN and FD_OUT */
     72		__s64 data_s64;
     73	};
     74};
     75
     76struct ib_uverbs_ioctl_hdr {
     77	__u16 length;
     78	__u16 object_id;
     79	__u16 method_id;
     80	__u16 num_attrs;
     81	__aligned_u64 reserved1;
     82	__u32 driver_id;
     83	__u32 reserved2;
     84	struct ib_uverbs_attr  attrs[0];
     85};
     86
     87#endif