linux-stable/drivers/iommu/iommufd/iommufd_test.h
Jason Gunthorpe 2cfdeaa07b iommufd/selftest: Rename the sefltest 'device_id' to 'stdev_id'
It is too confusing now that we have the 'dev_id' as part of the main
interface. Make it clear this is the special selftest device object. This
object is analogous to the VFIO device FD.

Link: https://lore.kernel.org/r/7-v3-ae9c2975a131+2e1e8-iommufd_hwpt_jgg@nvidia.com
Reviewed-by: Kevin Tian <kevin.tian@intel.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
2023-03-06 10:51:58 -04:00

93 lines
1.7 KiB
C

/* SPDX-License-Identifier: GPL-2.0 */
/* Copyright (c) 2021-2022, NVIDIA CORPORATION & AFFILIATES.
*/
#ifndef _UAPI_IOMMUFD_TEST_H
#define _UAPI_IOMMUFD_TEST_H
#include <linux/types.h>
#include <linux/iommufd.h>
enum {
IOMMU_TEST_OP_ADD_RESERVED = 1,
IOMMU_TEST_OP_MOCK_DOMAIN,
IOMMU_TEST_OP_MD_CHECK_MAP,
IOMMU_TEST_OP_MD_CHECK_REFS,
IOMMU_TEST_OP_CREATE_ACCESS,
IOMMU_TEST_OP_DESTROY_ACCESS_PAGES,
IOMMU_TEST_OP_ACCESS_PAGES,
IOMMU_TEST_OP_ACCESS_RW,
IOMMU_TEST_OP_SET_TEMP_MEMORY_LIMIT,
};
enum {
MOCK_APERTURE_START = 1UL << 24,
MOCK_APERTURE_LAST = (1UL << 31) - 1,
};
enum {
MOCK_FLAGS_ACCESS_WRITE = 1 << 0,
MOCK_FLAGS_ACCESS_SYZ = 1 << 16,
};
enum {
MOCK_ACCESS_RW_WRITE = 1 << 0,
MOCK_ACCESS_RW_SLOW_PATH = 1 << 2,
};
enum {
MOCK_FLAGS_ACCESS_CREATE_NEEDS_PIN_PAGES = 1 << 0,
};
struct iommu_test_cmd {
__u32 size;
__u32 op;
__u32 id;
__u32 __reserved;
union {
struct {
__aligned_u64 start;
__aligned_u64 length;
} add_reserved;
struct {
__u32 out_stdev_id;
__u32 out_hwpt_id;
} mock_domain;
struct {
__aligned_u64 iova;
__aligned_u64 length;
__aligned_u64 uptr;
} check_map;
struct {
__aligned_u64 length;
__aligned_u64 uptr;
__u32 refs;
} check_refs;
struct {
__u32 out_access_fd;
__u32 flags;
} create_access;
struct {
__u32 access_pages_id;
} destroy_access_pages;
struct {
__u32 flags;
__u32 out_access_pages_id;
__aligned_u64 iova;
__aligned_u64 length;
__aligned_u64 uptr;
} access_pages;
struct {
__aligned_u64 iova;
__aligned_u64 length;
__aligned_u64 uptr;
__u32 flags;
} access_rw;
struct {
__u32 limit;
} memory_limit;
};
__u32 last;
};
#define IOMMU_TEST_CMD _IO(IOMMUFD_TYPE, IOMMUFD_CMD_BASE + 32)
#endif