diff options
Diffstat (limited to 'drivers/iommu/iommufd/iommufd_test.h')
| -rw-r--r-- | drivers/iommu/iommufd/iommufd_test.h | 203 |
1 files changed, 202 insertions, 1 deletions
diff --git a/drivers/iommu/iommufd/iommufd_test.h b/drivers/iommu/iommufd/iommufd_test.h index b3d69cca7729..73e73e1ec158 100644 --- a/drivers/iommu/iommufd/iommufd_test.h +++ b/drivers/iommu/iommufd/iommufd_test.h @@ -4,8 +4,8 @@ #ifndef _UAPI_IOMMUFD_TEST_H #define _UAPI_IOMMUFD_TEST_H -#include <linux/types.h> #include <linux/iommufd.h> +#include <linux/types.h> enum { IOMMU_TEST_OP_ADD_RESERVED = 1, @@ -17,11 +17,34 @@ enum { IOMMU_TEST_OP_ACCESS_PAGES, IOMMU_TEST_OP_ACCESS_RW, IOMMU_TEST_OP_SET_TEMP_MEMORY_LIMIT, + IOMMU_TEST_OP_MOCK_DOMAIN_REPLACE, + IOMMU_TEST_OP_ACCESS_REPLACE_IOAS, + IOMMU_TEST_OP_MOCK_DOMAIN_FLAGS, + IOMMU_TEST_OP_DIRTY, + IOMMU_TEST_OP_MD_CHECK_IOTLB, + IOMMU_TEST_OP_TRIGGER_IOPF, + IOMMU_TEST_OP_DEV_CHECK_CACHE, + IOMMU_TEST_OP_TRIGGER_VEVENT, + IOMMU_TEST_OP_PASID_ATTACH, + IOMMU_TEST_OP_PASID_REPLACE, + IOMMU_TEST_OP_PASID_DETACH, + IOMMU_TEST_OP_PASID_CHECK_HWPT, + IOMMU_TEST_OP_DMABUF_GET, + IOMMU_TEST_OP_DMABUF_REVOKE, +}; + +enum { + MOCK_IOMMUPT_DEFAULT = 0, + MOCK_IOMMUPT_HUGE, + MOCK_IOMMUPT_AMDV1, }; +/* These values are true for MOCK_IOMMUPT_DEFAULT */ enum { MOCK_APERTURE_START = 1UL << 24, MOCK_APERTURE_LAST = (1UL << 31) - 1, + MOCK_PAGE_SIZE = 2048, + MOCK_HUGE_PAGE_SIZE = 512 * MOCK_PAGE_SIZE, }; enum { @@ -38,6 +61,24 @@ enum { MOCK_FLAGS_ACCESS_CREATE_NEEDS_PIN_PAGES = 1 << 0, }; +enum { + MOCK_FLAGS_DEVICE_NO_DIRTY = 1 << 0, + MOCK_FLAGS_DEVICE_PASID = 1 << 2, +}; + +enum { + MOCK_NESTED_DOMAIN_IOTLB_ID_MAX = 3, + MOCK_NESTED_DOMAIN_IOTLB_NUM = 4, +}; + +enum { + MOCK_DEV_CACHE_ID_MAX = 3, + MOCK_DEV_CACHE_NUM = 4, +}; + +/* Reserved for special pasid replace test */ +#define IOMMU_TEST_PASID_RESERVED 1024 + struct iommu_test_cmd { __u32 size; __u32 op; @@ -51,8 +92,20 @@ struct iommu_test_cmd { struct { __u32 out_stdev_id; __u32 out_hwpt_id; + /* out_idev_id is the standard iommufd_bind object */ + __u32 out_idev_id; } mock_domain; struct { + __u32 out_stdev_id; + __u32 out_hwpt_id; + __u32 out_idev_id; + /* Expand mock_domain to set mock device flags */ + __u32 dev_flags; + } mock_domain_flags; + struct { + __u32 pt_id; + } mock_domain_replace; + struct { __aligned_u64 iova; __aligned_u64 length; __aligned_u64 uptr; @@ -85,9 +138,157 @@ struct iommu_test_cmd { struct { __u32 limit; } memory_limit; + struct { + __u32 ioas_id; + } access_replace_ioas; + struct { + __u32 flags; + __aligned_u64 iova; + __aligned_u64 length; + __aligned_u64 page_size; + __aligned_u64 uptr; + __aligned_u64 out_nr_dirty; + } dirty; + struct { + __u32 id; + __u32 iotlb; + } check_iotlb; + struct { + __u32 dev_id; + __u32 pasid; + __u32 grpid; + __u32 perm; + __u64 addr; + } trigger_iopf; + struct { + __u32 id; + __u32 cache; + } check_dev_cache; + struct { + __u32 dev_id; + } trigger_vevent; + struct { + __u32 pasid; + __u32 pt_id; + /* @id is stdev_id */ + } pasid_attach; + struct { + __u32 pasid; + __u32 pt_id; + /* @id is stdev_id */ + } pasid_replace; + struct { + __u32 pasid; + /* @id is stdev_id */ + } pasid_detach; + struct { + __u32 pasid; + __u32 hwpt_id; + /* @id is stdev_id */ + } pasid_check; + struct { + __u32 length; + __u32 open_flags; + } dmabuf_get; + struct { + __s32 dmabuf_fd; + __u32 revoked; + } dmabuf_revoke; }; __u32 last; }; #define IOMMU_TEST_CMD _IO(IOMMUFD_TYPE, IOMMUFD_CMD_BASE + 32) +/* Mock device/iommu PASID width */ +#define MOCK_PASID_WIDTH 20 + +/* Mock structs for IOMMU_DEVICE_GET_HW_INFO ioctl */ +#define IOMMU_HW_INFO_TYPE_SELFTEST 0xfeedbeef +#define IOMMU_HW_INFO_SELFTEST_REGVAL 0xdeadbeef + +struct iommu_test_hw_info { + __u32 flags; + __u32 test_reg; +}; + +/* Should not be equal to any defined value in enum iommu_hwpt_data_type */ +#define IOMMU_HWPT_DATA_SELFTEST 0xdead +#define IOMMU_TEST_IOTLB_DEFAULT 0xbadbeef +#define IOMMU_TEST_DEV_CACHE_DEFAULT 0xbaddad + +/** + * struct iommu_hwpt_selftest + * + * @iotlb: default mock iotlb value, IOMMU_TEST_IOTLB_DEFAULT + */ +struct iommu_hwpt_selftest { + __u32 iotlb; + __u32 pagetable_type; +}; + +/* Should not be equal to any defined value in enum iommu_hwpt_invalidate_data_type */ +#define IOMMU_HWPT_INVALIDATE_DATA_SELFTEST 0xdeadbeef +#define IOMMU_HWPT_INVALIDATE_DATA_SELFTEST_INVALID 0xdadbeef + +/** + * struct iommu_hwpt_invalidate_selftest - Invalidation data for Mock driver + * (IOMMU_HWPT_INVALIDATE_DATA_SELFTEST) + * @flags: Invalidate flags + * @iotlb_id: Invalidate iotlb entry index + * + * If IOMMU_TEST_INVALIDATE_ALL is set in @flags, @iotlb_id will be ignored + */ +struct iommu_hwpt_invalidate_selftest { +#define IOMMU_TEST_INVALIDATE_FLAG_ALL (1 << 0) + __u32 flags; + __u32 iotlb_id; +}; + +#define IOMMU_VIOMMU_TYPE_SELFTEST 0xdeadbeef + +/** + * struct iommu_viommu_selftest - vIOMMU data for Mock driver + * (IOMMU_VIOMMU_TYPE_SELFTEST) + * @in_data: Input random data from user space + * @out_data: Output data (matching @in_data) to user space + * @out_mmap_offset: The offset argument for mmap syscall + * @out_mmap_length: The length argument for mmap syscall + * + * Simply set @out_data=@in_data for a loopback test + */ +struct iommu_viommu_selftest { + __u32 in_data; + __u32 out_data; + __aligned_u64 out_mmap_offset; + __aligned_u64 out_mmap_length; +}; + +/* Should not be equal to any defined value in enum iommu_viommu_invalidate_data_type */ +#define IOMMU_VIOMMU_INVALIDATE_DATA_SELFTEST 0xdeadbeef +#define IOMMU_VIOMMU_INVALIDATE_DATA_SELFTEST_INVALID 0xdadbeef + +/** + * struct iommu_viommu_invalidate_selftest - Invalidation data for Mock VIOMMU + * (IOMMU_VIOMMU_INVALIDATE_DATA_SELFTEST) + * @flags: Invalidate flags + * @cache_id: Invalidate cache entry index + * + * If IOMMU_TEST_INVALIDATE_ALL is set in @flags, @cache_id will be ignored + */ +struct iommu_viommu_invalidate_selftest { +#define IOMMU_TEST_INVALIDATE_FLAG_ALL (1 << 0) + __u32 flags; + __u32 vdev_id; + __u32 cache_id; +}; + +#define IOMMU_VEVENTQ_TYPE_SELFTEST 0xbeefbeef + +struct iommu_viommu_event_selftest { + __u32 virt_id; +}; + +#define IOMMU_HW_QUEUE_TYPE_SELFTEST 0xdeadbeef +#define IOMMU_TEST_HW_QUEUE_MAX 2 + #endif |