diff options
Diffstat (limited to 'tools/testing/selftests/iommu/iommufd.c')
| -rw-r--r-- | tools/testing/selftests/iommu/iommufd.c | 912 |
1 files changed, 718 insertions, 194 deletions
diff --git a/tools/testing/selftests/iommu/iommufd.c b/tools/testing/selftests/iommu/iommufd.c index a1b2b657999d..3eebf5e3b974 100644 --- a/tools/testing/selftests/iommu/iommufd.c +++ b/tools/testing/selftests/iommu/iommufd.c @@ -54,6 +54,8 @@ static __attribute__((constructor)) void setup_sizes(void) mfd_buffer = memfd_mmap(BUFFER_SIZE, PROT_READ | PROT_WRITE, MAP_SHARED, &mfd); + assert(mfd_buffer != MAP_FAILED); + assert(mfd > 0); } FIXTURE(iommufd) @@ -342,12 +344,14 @@ FIXTURE(iommufd_ioas) uint32_t hwpt_id; uint32_t device_id; uint64_t base_iova; + uint32_t device_pasid_id; }; FIXTURE_VARIANT(iommufd_ioas) { unsigned int mock_domains; unsigned int memory_limit; + bool pasid_capable; }; FIXTURE_SETUP(iommufd_ioas) @@ -372,6 +376,12 @@ FIXTURE_SETUP(iommufd_ioas) IOMMU_TEST_DEV_CACHE_DEFAULT); self->base_iova = MOCK_APERTURE_START; } + + if (variant->pasid_capable) + test_cmd_mock_domain_flags(self->ioas_id, + MOCK_FLAGS_DEVICE_PASID, + NULL, NULL, + &self->device_pasid_id); } FIXTURE_TEARDOWN(iommufd_ioas) @@ -387,6 +397,7 @@ FIXTURE_VARIANT_ADD(iommufd_ioas, no_domain) FIXTURE_VARIANT_ADD(iommufd_ioas, mock_domain) { .mock_domains = 1, + .pasid_capable = true, }; FIXTURE_VARIANT_ADD(iommufd_ioas, two_mock_domain) @@ -439,6 +450,10 @@ TEST_F(iommufd_ioas, alloc_hwpt_nested) &test_hwpt_id); test_err_hwpt_alloc(EINVAL, self->device_id, self->device_id, 0, &test_hwpt_id); + test_err_hwpt_alloc(EOPNOTSUPP, self->device_id, self->ioas_id, + IOMMU_HWPT_ALLOC_NEST_PARENT | + IOMMU_HWPT_FAULT_ID_VALID, + &test_hwpt_id); test_cmd_hwpt_alloc(self->device_id, self->ioas_id, IOMMU_HWPT_ALLOC_NEST_PARENT, @@ -748,25 +763,51 @@ TEST_F(iommufd_ioas, get_hw_info) } buffer_smaller; if (self->device_id) { + uint8_t max_pasid = 0; + /* Provide a zero-size user_buffer */ - test_cmd_get_hw_info(self->device_id, NULL, 0); + test_cmd_get_hw_info(self->device_id, + IOMMU_HW_INFO_TYPE_DEFAULT, NULL, 0); /* Provide a user_buffer with exact size */ - test_cmd_get_hw_info(self->device_id, &buffer_exact, sizeof(buffer_exact)); + test_cmd_get_hw_info(self->device_id, + IOMMU_HW_INFO_TYPE_DEFAULT, &buffer_exact, + sizeof(buffer_exact)); + + /* Request for a wrong data_type, and a correct one */ + test_err_get_hw_info(EOPNOTSUPP, self->device_id, + IOMMU_HW_INFO_TYPE_SELFTEST + 1, + &buffer_exact, sizeof(buffer_exact)); + test_cmd_get_hw_info(self->device_id, + IOMMU_HW_INFO_TYPE_SELFTEST, &buffer_exact, + sizeof(buffer_exact)); /* * Provide a user_buffer with size larger than the exact size to check if * kernel zero the trailing bytes. */ - test_cmd_get_hw_info(self->device_id, &buffer_larger, sizeof(buffer_larger)); + test_cmd_get_hw_info(self->device_id, + IOMMU_HW_INFO_TYPE_DEFAULT, &buffer_larger, + sizeof(buffer_larger)); /* * Provide a user_buffer with size smaller than the exact size to check if * the fields within the size range still gets updated. */ - test_cmd_get_hw_info(self->device_id, &buffer_smaller, sizeof(buffer_smaller)); + test_cmd_get_hw_info(self->device_id, + IOMMU_HW_INFO_TYPE_DEFAULT, + &buffer_smaller, sizeof(buffer_smaller)); + test_cmd_get_hw_info_pasid(self->device_id, &max_pasid); + ASSERT_EQ(0, max_pasid); + if (variant->pasid_capable) { + test_cmd_get_hw_info_pasid(self->device_pasid_id, + &max_pasid); + ASSERT_EQ(MOCK_PASID_WIDTH, max_pasid); + } } else { test_err_get_hw_info(ENOENT, self->device_id, - &buffer_exact, sizeof(buffer_exact)); + IOMMU_HW_INFO_TYPE_DEFAULT, &buffer_exact, + sizeof(buffer_exact)); test_err_get_hw_info(ENOENT, self->device_id, - &buffer_larger, sizeof(buffer_larger)); + IOMMU_HW_INFO_TYPE_DEFAULT, &buffer_larger, + sizeof(buffer_larger)); } } @@ -929,6 +970,33 @@ TEST_F(iommufd_ioas, area_auto_iova) test_ioctl_ioas_unmap(iovas[i], PAGE_SIZE * (i + 1)); } +/* https://lore.kernel.org/r/685af644.a00a0220.2e5631.0094.GAE@google.com */ +TEST_F(iommufd_ioas, reserved_overflow) +{ + struct iommu_test_cmd test_cmd = { + .size = sizeof(test_cmd), + .op = IOMMU_TEST_OP_ADD_RESERVED, + .id = self->ioas_id, + .add_reserved.start = 6, + }; + unsigned int map_len; + __u64 iova; + + if (PAGE_SIZE == 4096) { + test_cmd.add_reserved.length = 0xffffffffffff8001; + map_len = 0x5000; + } else { + test_cmd.add_reserved.length = + 0xffffffffffffffff - MOCK_PAGE_SIZE * 16; + map_len = MOCK_PAGE_SIZE * 10; + } + + ASSERT_EQ(0, + ioctl(self->fd, _IOMMU_TEST_CMD(IOMMU_TEST_OP_ADD_RESERVED), + &test_cmd)); + test_err_ioctl_ioas_map(ENOSPC, buffer, map_len, &iova); +} + TEST_F(iommufd_ioas, area_allowed) { struct iommu_test_cmd test_cmd = { @@ -1724,13 +1792,15 @@ TEST_F(iommufd_mock_domain, all_aligns) unsigned int end; uint8_t *buf; int prot = PROT_READ | PROT_WRITE; - int mfd; + int mfd = -1; if (variant->file) buf = memfd_mmap(buf_size, prot, MAP_SHARED, &mfd); else buf = mmap(0, buf_size, prot, self->mmap_flags, -1, 0); ASSERT_NE(MAP_FAILED, buf); + if (variant->file) + ASSERT_GT(mfd, 0); check_refs(buf, buf_size, 0); /* @@ -1776,13 +1846,15 @@ TEST_F(iommufd_mock_domain, all_aligns_copy) unsigned int end; uint8_t *buf; int prot = PROT_READ | PROT_WRITE; - int mfd; + int mfd = -1; if (variant->file) buf = memfd_mmap(buf_size, prot, MAP_SHARED, &mfd); else buf = mmap(0, buf_size, prot, self->mmap_flags, -1, 0); ASSERT_NE(MAP_FAILED, buf); + if (variant->file) + ASSERT_GT(mfd, 0); check_refs(buf, buf_size, 0); /* @@ -1986,6 +2058,7 @@ FIXTURE_VARIANT(iommufd_dirty_tracking) FIXTURE_SETUP(iommufd_dirty_tracking) { + size_t mmap_buffer_size; unsigned long size; int mmap_flags; void *vrc; @@ -2000,22 +2073,33 @@ FIXTURE_SETUP(iommufd_dirty_tracking) self->fd = open("/dev/iommu", O_RDWR); ASSERT_NE(-1, self->fd); - rc = posix_memalign(&self->buffer, HUGEPAGE_SIZE, variant->buffer_size); - if (rc || !self->buffer) { - SKIP(return, "Skipping buffer_size=%lu due to errno=%d", - variant->buffer_size, rc); - } - mmap_flags = MAP_SHARED | MAP_ANONYMOUS | MAP_FIXED; + mmap_buffer_size = variant->buffer_size; if (variant->hugepages) { /* * MAP_POPULATE will cause the kernel to fail mmap if THPs are * not available. */ mmap_flags |= MAP_HUGETLB | MAP_POPULATE; + + /* + * Allocation must be aligned to the HUGEPAGE_SIZE, because the + * following mmap() will automatically align the length to be a + * multiple of the underlying huge page size. Failing to do the + * same at this allocation will result in a memory overwrite by + * the mmap(). + */ + if (mmap_buffer_size < HUGEPAGE_SIZE) + mmap_buffer_size = HUGEPAGE_SIZE; + } + + rc = posix_memalign(&self->buffer, HUGEPAGE_SIZE, mmap_buffer_size); + if (rc || !self->buffer) { + SKIP(return, "Skipping buffer_size=%lu due to errno=%d", + mmap_buffer_size, rc); } assert((uintptr_t)self->buffer % HUGEPAGE_SIZE == 0); - vrc = mmap(self->buffer, variant->buffer_size, PROT_READ | PROT_WRITE, + vrc = mmap(self->buffer, mmap_buffer_size, PROT_READ | PROT_WRITE, mmap_flags, -1, 0); assert(vrc == self->buffer); @@ -2044,8 +2128,8 @@ FIXTURE_SETUP(iommufd_dirty_tracking) FIXTURE_TEARDOWN(iommufd_dirty_tracking) { - munmap(self->buffer, variant->buffer_size); - munmap(self->bitmap, DIV_ROUND_UP(self->bitmap_size, BITS_PER_BYTE)); + free(self->buffer); + free(self->bitmap); teardown_iommufd(self->fd, _metadata); } @@ -2153,8 +2237,7 @@ TEST_F(iommufd_dirty_tracking, device_dirty_capability) test_cmd_hwpt_alloc(self->idev_id, self->ioas_id, 0, &hwpt_id); test_cmd_mock_domain(hwpt_id, &stddev_id, NULL, NULL); - test_cmd_get_hw_capabilities(self->idev_id, caps, - IOMMU_HW_CAP_DIRTY_TRACKING); + test_cmd_get_hw_capabilities(self->idev_id, caps); ASSERT_EQ(IOMMU_HW_CAP_DIRTY_TRACKING, caps & IOMMU_HW_CAP_DIRTY_TRACKING); @@ -2666,7 +2749,7 @@ FIXTURE_SETUP(iommufd_viommu) /* Allocate a vIOMMU taking refcount of the parent hwpt */ test_cmd_viommu_alloc(self->device_id, self->hwpt_id, - IOMMU_VIOMMU_TYPE_SELFTEST, + IOMMU_VIOMMU_TYPE_SELFTEST, NULL, 0, &self->viommu_id); /* Allocate a regular nested hwpt */ @@ -2705,24 +2788,27 @@ TEST_F(iommufd_viommu, viommu_negative_tests) if (self->device_id) { /* Negative test -- invalid hwpt (hwpt_id=0) */ test_err_viommu_alloc(ENOENT, device_id, 0, - IOMMU_VIOMMU_TYPE_SELFTEST, NULL); + IOMMU_VIOMMU_TYPE_SELFTEST, NULL, 0, + NULL); /* Negative test -- not a nesting parent hwpt */ test_cmd_hwpt_alloc(device_id, ioas_id, 0, &hwpt_id); test_err_viommu_alloc(EINVAL, device_id, hwpt_id, - IOMMU_VIOMMU_TYPE_SELFTEST, NULL); + IOMMU_VIOMMU_TYPE_SELFTEST, NULL, 0, + NULL); test_ioctl_destroy(hwpt_id); /* Negative test -- unsupported viommu type */ test_err_viommu_alloc(EOPNOTSUPP, device_id, self->hwpt_id, - 0xdead, NULL); + 0xdead, NULL, 0, NULL); EXPECT_ERRNO(EBUSY, _test_ioctl_destroy(self->fd, self->hwpt_id)); EXPECT_ERRNO(EBUSY, _test_ioctl_destroy(self->fd, self->viommu_id)); } else { test_err_viommu_alloc(ENOENT, self->device_id, self->hwpt_id, - IOMMU_VIOMMU_TYPE_SELFTEST, NULL); + IOMMU_VIOMMU_TYPE_SELFTEST, NULL, 0, + NULL); } } @@ -2736,32 +2822,68 @@ TEST_F(iommufd_viommu, viommu_alloc_nested_iopf) uint32_t iopf_hwpt_id; uint32_t fault_id; uint32_t fault_fd; + uint32_t vdev_id; + + if (!dev_id) + SKIP(return, "Skipping test for variant no_viommu"); + + test_ioctl_fault_alloc(&fault_id, &fault_fd); + test_err_hwpt_alloc_iopf(ENOENT, dev_id, viommu_id, UINT32_MAX, + IOMMU_HWPT_FAULT_ID_VALID, &iopf_hwpt_id, + IOMMU_HWPT_DATA_SELFTEST, &data, sizeof(data)); + test_err_hwpt_alloc_iopf(EOPNOTSUPP, dev_id, viommu_id, fault_id, + IOMMU_HWPT_FAULT_ID_VALID | (1 << 31), + &iopf_hwpt_id, IOMMU_HWPT_DATA_SELFTEST, &data, + sizeof(data)); + test_cmd_hwpt_alloc_iopf(dev_id, viommu_id, fault_id, + IOMMU_HWPT_FAULT_ID_VALID, &iopf_hwpt_id, + IOMMU_HWPT_DATA_SELFTEST, &data, sizeof(data)); + + /* Must allocate vdevice before attaching to a nested hwpt */ + test_err_mock_domain_replace(ENOENT, self->stdev_id, iopf_hwpt_id); + test_cmd_vdevice_alloc(viommu_id, dev_id, 0x99, &vdev_id); + test_cmd_mock_domain_replace(self->stdev_id, iopf_hwpt_id); + EXPECT_ERRNO(EBUSY, _test_ioctl_destroy(self->fd, iopf_hwpt_id)); + test_cmd_trigger_iopf(dev_id, fault_fd); + + test_cmd_mock_domain_replace(self->stdev_id, self->ioas_id); + test_ioctl_destroy(iopf_hwpt_id); + close(fault_fd); + test_ioctl_destroy(fault_id); +} + +TEST_F(iommufd_viommu, viommu_alloc_with_data) +{ + struct iommu_viommu_selftest data = { + .in_data = 0xbeef, + }; + uint32_t *test; - if (self->device_id) { - test_ioctl_fault_alloc(&fault_id, &fault_fd); - test_err_hwpt_alloc_iopf( - ENOENT, dev_id, viommu_id, UINT32_MAX, - IOMMU_HWPT_FAULT_ID_VALID, &iopf_hwpt_id, - IOMMU_HWPT_DATA_SELFTEST, &data, sizeof(data)); - test_err_hwpt_alloc_iopf( - EOPNOTSUPP, dev_id, viommu_id, fault_id, - IOMMU_HWPT_FAULT_ID_VALID | (1 << 31), &iopf_hwpt_id, - IOMMU_HWPT_DATA_SELFTEST, &data, sizeof(data)); - test_cmd_hwpt_alloc_iopf( - dev_id, viommu_id, fault_id, IOMMU_HWPT_FAULT_ID_VALID, - &iopf_hwpt_id, IOMMU_HWPT_DATA_SELFTEST, &data, - sizeof(data)); + if (!self->device_id) + SKIP(return, "Skipping test for variant no_viommu"); - test_cmd_mock_domain_replace(self->stdev_id, iopf_hwpt_id); - EXPECT_ERRNO(EBUSY, - _test_ioctl_destroy(self->fd, iopf_hwpt_id)); - test_cmd_trigger_iopf(dev_id, fault_fd); + test_cmd_viommu_alloc(self->device_id, self->hwpt_id, + IOMMU_VIOMMU_TYPE_SELFTEST, &data, sizeof(data), + &self->viommu_id); + ASSERT_EQ(data.out_data, data.in_data); - test_cmd_mock_domain_replace(self->stdev_id, self->ioas_id); - test_ioctl_destroy(iopf_hwpt_id); - close(fault_fd); - test_ioctl_destroy(fault_id); - } + /* Negative mmap tests -- offset and length cannot be changed */ + test_err_mmap(ENXIO, data.out_mmap_length, + data.out_mmap_offset + PAGE_SIZE); + test_err_mmap(ENXIO, data.out_mmap_length, + data.out_mmap_offset + PAGE_SIZE * 2); + test_err_mmap(ENXIO, data.out_mmap_length / 2, data.out_mmap_offset); + test_err_mmap(ENXIO, data.out_mmap_length * 2, data.out_mmap_offset); + + /* Now do a correct mmap for a loopback test */ + test = mmap(NULL, data.out_mmap_length, PROT_READ | PROT_WRITE, + MAP_SHARED, self->fd, data.out_mmap_offset); + ASSERT_NE(MAP_FAILED, test); + ASSERT_EQ(data.in_data, *test); + + /* The owner of the mmap region should be blocked */ + EXPECT_ERRNO(EBUSY, _test_ioctl_destroy(self->fd, self->viommu_id)); + munmap(test, data.out_mmap_length); } TEST_F(iommufd_viommu, vdevice_alloc) @@ -2769,15 +2891,46 @@ TEST_F(iommufd_viommu, vdevice_alloc) uint32_t viommu_id = self->viommu_id; uint32_t dev_id = self->device_id; uint32_t vdev_id = 0; + uint32_t veventq_id; + uint32_t veventq_fd; + int prev_seq = -1; if (dev_id) { + /* Must allocate vdevice before attaching to a nested hwpt */ + test_err_mock_domain_replace(ENOENT, self->stdev_id, + self->nested_hwpt_id); + + /* Allocate a vEVENTQ with veventq_depth=2 */ + test_cmd_veventq_alloc(viommu_id, IOMMU_VEVENTQ_TYPE_SELFTEST, + &veventq_id, &veventq_fd); + test_err_veventq_alloc(EEXIST, viommu_id, + IOMMU_VEVENTQ_TYPE_SELFTEST, NULL, NULL); /* Set vdev_id to 0x99, unset it, and set to 0x88 */ test_cmd_vdevice_alloc(viommu_id, dev_id, 0x99, &vdev_id); + test_cmd_mock_domain_replace(self->stdev_id, + self->nested_hwpt_id); + test_cmd_trigger_vevents(dev_id, 1); + test_cmd_read_vevents(veventq_fd, 1, 0x99, &prev_seq); test_err_vdevice_alloc(EEXIST, viommu_id, dev_id, 0x99, &vdev_id); + test_cmd_mock_domain_replace(self->stdev_id, self->ioas_id); test_ioctl_destroy(vdev_id); + + /* Try again with 0x88 */ test_cmd_vdevice_alloc(viommu_id, dev_id, 0x88, &vdev_id); + test_cmd_mock_domain_replace(self->stdev_id, + self->nested_hwpt_id); + /* Trigger an overflow with three events */ + test_cmd_trigger_vevents(dev_id, 3); + test_err_read_vevents(EOVERFLOW, veventq_fd, 3, 0x88, + &prev_seq); + /* Overflow must be gone after the previous reads */ + test_cmd_trigger_vevents(dev_id, 1); + test_cmd_read_vevents(veventq_fd, 1, 0x88, &prev_seq); + close(veventq_fd); + test_cmd_mock_domain_replace(self->stdev_id, self->ioas_id); test_ioctl_destroy(vdev_id); + test_ioctl_destroy(veventq_id); } else { test_err_vdevice_alloc(ENOENT, viommu_id, dev_id, 0x99, NULL); } @@ -2791,169 +2944,540 @@ TEST_F(iommufd_viommu, vdevice_cache) uint32_t vdev_id = 0; uint32_t num_inv; - if (dev_id) { - test_cmd_vdevice_alloc(viommu_id, dev_id, 0x99, &vdev_id); + if (!dev_id) + SKIP(return, "Skipping test for variant no_viommu"); + + test_cmd_vdevice_alloc(viommu_id, dev_id, 0x99, &vdev_id); + + test_cmd_dev_check_cache_all(dev_id, IOMMU_TEST_DEV_CACHE_DEFAULT); + + /* Check data_type by passing zero-length array */ + num_inv = 0; + test_cmd_viommu_invalidate(viommu_id, inv_reqs, sizeof(*inv_reqs), + &num_inv); + assert(!num_inv); + + /* Negative test: Invalid data_type */ + num_inv = 1; + test_err_viommu_invalidate(EINVAL, viommu_id, inv_reqs, + IOMMU_VIOMMU_INVALIDATE_DATA_SELFTEST_INVALID, + sizeof(*inv_reqs), &num_inv); + assert(!num_inv); + + /* Negative test: structure size sanity */ + num_inv = 1; + test_err_viommu_invalidate(EINVAL, viommu_id, inv_reqs, + IOMMU_VIOMMU_INVALIDATE_DATA_SELFTEST, + sizeof(*inv_reqs) + 1, &num_inv); + assert(!num_inv); + + num_inv = 1; + test_err_viommu_invalidate(EINVAL, viommu_id, inv_reqs, + IOMMU_VIOMMU_INVALIDATE_DATA_SELFTEST, 1, + &num_inv); + assert(!num_inv); + + /* Negative test: invalid flag is passed */ + num_inv = 1; + inv_reqs[0].flags = 0xffffffff; + inv_reqs[0].vdev_id = 0x99; + test_err_viommu_invalidate(EOPNOTSUPP, viommu_id, inv_reqs, + IOMMU_VIOMMU_INVALIDATE_DATA_SELFTEST, + sizeof(*inv_reqs), &num_inv); + assert(!num_inv); + + /* Negative test: invalid data_uptr when array is not empty */ + num_inv = 1; + inv_reqs[0].flags = 0; + inv_reqs[0].vdev_id = 0x99; + test_err_viommu_invalidate(EINVAL, viommu_id, NULL, + IOMMU_VIOMMU_INVALIDATE_DATA_SELFTEST, + sizeof(*inv_reqs), &num_inv); + assert(!num_inv); + + /* Negative test: invalid entry_len when array is not empty */ + num_inv = 1; + inv_reqs[0].flags = 0; + inv_reqs[0].vdev_id = 0x99; + test_err_viommu_invalidate(EINVAL, viommu_id, inv_reqs, + IOMMU_VIOMMU_INVALIDATE_DATA_SELFTEST, 0, + &num_inv); + assert(!num_inv); + + /* Negative test: invalid cache_id */ + num_inv = 1; + inv_reqs[0].flags = 0; + inv_reqs[0].vdev_id = 0x99; + inv_reqs[0].cache_id = MOCK_DEV_CACHE_ID_MAX + 1; + test_err_viommu_invalidate(EINVAL, viommu_id, inv_reqs, + IOMMU_VIOMMU_INVALIDATE_DATA_SELFTEST, + sizeof(*inv_reqs), &num_inv); + assert(!num_inv); + + /* Negative test: invalid vdev_id */ + num_inv = 1; + inv_reqs[0].flags = 0; + inv_reqs[0].vdev_id = 0x9; + inv_reqs[0].cache_id = 0; + test_err_viommu_invalidate(EINVAL, viommu_id, inv_reqs, + IOMMU_VIOMMU_INVALIDATE_DATA_SELFTEST, + sizeof(*inv_reqs), &num_inv); + assert(!num_inv); - test_cmd_dev_check_cache_all(dev_id, - IOMMU_TEST_DEV_CACHE_DEFAULT); + /* + * Invalidate the 1st cache entry but fail the 2nd request + * due to invalid flags configuration in the 2nd request. + */ + num_inv = 2; + inv_reqs[0].flags = 0; + inv_reqs[0].vdev_id = 0x99; + inv_reqs[0].cache_id = 0; + inv_reqs[1].flags = 0xffffffff; + inv_reqs[1].vdev_id = 0x99; + inv_reqs[1].cache_id = 1; + test_err_viommu_invalidate(EOPNOTSUPP, viommu_id, inv_reqs, + IOMMU_VIOMMU_INVALIDATE_DATA_SELFTEST, + sizeof(*inv_reqs), &num_inv); + assert(num_inv == 1); + test_cmd_dev_check_cache(dev_id, 0, 0); + test_cmd_dev_check_cache(dev_id, 1, IOMMU_TEST_DEV_CACHE_DEFAULT); + test_cmd_dev_check_cache(dev_id, 2, IOMMU_TEST_DEV_CACHE_DEFAULT); + test_cmd_dev_check_cache(dev_id, 3, IOMMU_TEST_DEV_CACHE_DEFAULT); - /* Check data_type by passing zero-length array */ - num_inv = 0; - test_cmd_viommu_invalidate(viommu_id, inv_reqs, - sizeof(*inv_reqs), &num_inv); - assert(!num_inv); + /* + * Invalidate the 1st cache entry but fail the 2nd request + * due to invalid cache_id configuration in the 2nd request. + */ + num_inv = 2; + inv_reqs[0].flags = 0; + inv_reqs[0].vdev_id = 0x99; + inv_reqs[0].cache_id = 0; + inv_reqs[1].flags = 0; + inv_reqs[1].vdev_id = 0x99; + inv_reqs[1].cache_id = MOCK_DEV_CACHE_ID_MAX + 1; + test_err_viommu_invalidate(EINVAL, viommu_id, inv_reqs, + IOMMU_VIOMMU_INVALIDATE_DATA_SELFTEST, + sizeof(*inv_reqs), &num_inv); + assert(num_inv == 1); + test_cmd_dev_check_cache(dev_id, 0, 0); + test_cmd_dev_check_cache(dev_id, 1, IOMMU_TEST_DEV_CACHE_DEFAULT); + test_cmd_dev_check_cache(dev_id, 2, IOMMU_TEST_DEV_CACHE_DEFAULT); + test_cmd_dev_check_cache(dev_id, 3, IOMMU_TEST_DEV_CACHE_DEFAULT); + + /* Invalidate the 2nd cache entry and verify */ + num_inv = 1; + inv_reqs[0].flags = 0; + inv_reqs[0].vdev_id = 0x99; + inv_reqs[0].cache_id = 1; + test_cmd_viommu_invalidate(viommu_id, inv_reqs, sizeof(*inv_reqs), + &num_inv); + assert(num_inv == 1); + test_cmd_dev_check_cache(dev_id, 0, 0); + test_cmd_dev_check_cache(dev_id, 1, 0); + test_cmd_dev_check_cache(dev_id, 2, IOMMU_TEST_DEV_CACHE_DEFAULT); + test_cmd_dev_check_cache(dev_id, 3, IOMMU_TEST_DEV_CACHE_DEFAULT); + + /* Invalidate the 3rd and 4th cache entries and verify */ + num_inv = 2; + inv_reqs[0].flags = 0; + inv_reqs[0].vdev_id = 0x99; + inv_reqs[0].cache_id = 2; + inv_reqs[1].flags = 0; + inv_reqs[1].vdev_id = 0x99; + inv_reqs[1].cache_id = 3; + test_cmd_viommu_invalidate(viommu_id, inv_reqs, sizeof(*inv_reqs), + &num_inv); + assert(num_inv == 2); + test_cmd_dev_check_cache_all(dev_id, 0); + + /* Invalidate all cache entries for nested_dev_id[1] and verify */ + num_inv = 1; + inv_reqs[0].vdev_id = 0x99; + inv_reqs[0].flags = IOMMU_TEST_INVALIDATE_FLAG_ALL; + test_cmd_viommu_invalidate(viommu_id, inv_reqs, sizeof(*inv_reqs), + &num_inv); + assert(num_inv == 1); + test_cmd_dev_check_cache_all(dev_id, 0); + test_ioctl_destroy(vdev_id); +} + +TEST_F(iommufd_viommu, hw_queue) +{ + __u64 iova = MOCK_APERTURE_START, iova2; + uint32_t viommu_id = self->viommu_id; + uint32_t hw_queue_id[2]; + + if (!viommu_id) + SKIP(return, "Skipping test for variant no_viommu"); + + /* Fail IOMMU_HW_QUEUE_TYPE_DEFAULT */ + test_err_hw_queue_alloc(EOPNOTSUPP, viommu_id, + IOMMU_HW_QUEUE_TYPE_DEFAULT, 0, iova, PAGE_SIZE, + &hw_queue_id[0]); + /* Fail queue addr and length */ + test_err_hw_queue_alloc(EINVAL, viommu_id, IOMMU_HW_QUEUE_TYPE_SELFTEST, + 0, iova, 0, &hw_queue_id[0]); + test_err_hw_queue_alloc(EOVERFLOW, viommu_id, + IOMMU_HW_QUEUE_TYPE_SELFTEST, 0, ~(uint64_t)0, + PAGE_SIZE, &hw_queue_id[0]); + /* Fail missing iova */ + test_err_hw_queue_alloc(ENOENT, viommu_id, IOMMU_HW_QUEUE_TYPE_SELFTEST, + 0, iova, PAGE_SIZE, &hw_queue_id[0]); + + /* Map iova */ + test_ioctl_ioas_map(buffer, PAGE_SIZE, &iova); + test_ioctl_ioas_map(buffer + PAGE_SIZE, PAGE_SIZE, &iova2); + + /* Fail index=1 and =MAX; must start from index=0 */ + test_err_hw_queue_alloc(EIO, viommu_id, IOMMU_HW_QUEUE_TYPE_SELFTEST, 1, + iova, PAGE_SIZE, &hw_queue_id[0]); + test_err_hw_queue_alloc(EINVAL, viommu_id, IOMMU_HW_QUEUE_TYPE_SELFTEST, + IOMMU_TEST_HW_QUEUE_MAX, iova, PAGE_SIZE, + &hw_queue_id[0]); + + /* Allocate index=0, declare ownership of the iova */ + test_cmd_hw_queue_alloc(viommu_id, IOMMU_HW_QUEUE_TYPE_SELFTEST, 0, + iova, PAGE_SIZE, &hw_queue_id[0]); + /* Fail duplicated index */ + test_err_hw_queue_alloc(EEXIST, viommu_id, IOMMU_HW_QUEUE_TYPE_SELFTEST, + 0, iova, PAGE_SIZE, &hw_queue_id[0]); + /* Fail unmap, due to iova ownership */ + test_err_ioctl_ioas_unmap(EBUSY, iova, PAGE_SIZE); + /* The 2nd page is not pinned, so it can be unmmap */ + test_ioctl_ioas_unmap(iova2, PAGE_SIZE); + + /* Allocate index=1, with an unaligned case */ + test_cmd_hw_queue_alloc(viommu_id, IOMMU_HW_QUEUE_TYPE_SELFTEST, 1, + iova + PAGE_SIZE / 2, PAGE_SIZE / 2, + &hw_queue_id[1]); + /* Fail to destroy, due to dependency */ + EXPECT_ERRNO(EBUSY, _test_ioctl_destroy(self->fd, hw_queue_id[0])); + + /* Destroy in descending order */ + test_ioctl_destroy(hw_queue_id[1]); + test_ioctl_destroy(hw_queue_id[0]); + /* Now it can unmap the first page */ + test_ioctl_ioas_unmap(iova, PAGE_SIZE); +} - /* Negative test: Invalid data_type */ - num_inv = 1; - test_err_viommu_invalidate(EINVAL, viommu_id, inv_reqs, - IOMMU_VIOMMU_INVALIDATE_DATA_SELFTEST_INVALID, - sizeof(*inv_reqs), &num_inv); - assert(!num_inv); +TEST_F(iommufd_viommu, vdevice_tombstone) +{ + uint32_t viommu_id = self->viommu_id; + uint32_t dev_id = self->device_id; + uint32_t vdev_id = 0; - /* Negative test: structure size sanity */ - num_inv = 1; - test_err_viommu_invalidate(EINVAL, viommu_id, inv_reqs, - IOMMU_VIOMMU_INVALIDATE_DATA_SELFTEST, - sizeof(*inv_reqs) + 1, &num_inv); - assert(!num_inv); + if (!dev_id) + SKIP(return, "Skipping test for variant no_viommu"); - num_inv = 1; - test_err_viommu_invalidate(EINVAL, viommu_id, inv_reqs, - IOMMU_VIOMMU_INVALIDATE_DATA_SELFTEST, - 1, &num_inv); - assert(!num_inv); + test_cmd_vdevice_alloc(viommu_id, dev_id, 0x99, &vdev_id); + test_ioctl_destroy(self->stdev_id); + EXPECT_ERRNO(ENOENT, _test_ioctl_destroy(self->fd, vdev_id)); +} - /* Negative test: invalid flag is passed */ - num_inv = 1; - inv_reqs[0].flags = 0xffffffff; - inv_reqs[0].vdev_id = 0x99; - test_err_viommu_invalidate(EOPNOTSUPP, viommu_id, inv_reqs, - IOMMU_VIOMMU_INVALIDATE_DATA_SELFTEST, - sizeof(*inv_reqs), &num_inv); - assert(!num_inv); +FIXTURE(iommufd_device_pasid) +{ + int fd; + uint32_t ioas_id; + uint32_t hwpt_id; + uint32_t stdev_id; + uint32_t device_id; + uint32_t no_pasid_stdev_id; + uint32_t no_pasid_device_id; +}; - /* Negative test: invalid data_uptr when array is not empty */ - num_inv = 1; - inv_reqs[0].flags = 0; - inv_reqs[0].vdev_id = 0x99; - test_err_viommu_invalidate(EINVAL, viommu_id, NULL, - IOMMU_VIOMMU_INVALIDATE_DATA_SELFTEST, - sizeof(*inv_reqs), &num_inv); - assert(!num_inv); +FIXTURE_VARIANT(iommufd_device_pasid) +{ + bool pasid_capable; +}; - /* Negative test: invalid entry_len when array is not empty */ - num_inv = 1; - inv_reqs[0].flags = 0; - inv_reqs[0].vdev_id = 0x99; - test_err_viommu_invalidate(EINVAL, viommu_id, inv_reqs, - IOMMU_VIOMMU_INVALIDATE_DATA_SELFTEST, - 0, &num_inv); - assert(!num_inv); +FIXTURE_SETUP(iommufd_device_pasid) +{ + self->fd = open("/dev/iommu", O_RDWR); + ASSERT_NE(-1, self->fd); + test_ioctl_ioas_alloc(&self->ioas_id); - /* Negative test: invalid cache_id */ - num_inv = 1; - inv_reqs[0].flags = 0; - inv_reqs[0].vdev_id = 0x99; - inv_reqs[0].cache_id = MOCK_DEV_CACHE_ID_MAX + 1; - test_err_viommu_invalidate(EINVAL, viommu_id, inv_reqs, - IOMMU_VIOMMU_INVALIDATE_DATA_SELFTEST, - sizeof(*inv_reqs), &num_inv); - assert(!num_inv); + test_cmd_mock_domain_flags(self->ioas_id, + MOCK_FLAGS_DEVICE_PASID, + &self->stdev_id, &self->hwpt_id, + &self->device_id); + if (!variant->pasid_capable) + test_cmd_mock_domain_flags(self->ioas_id, 0, + &self->no_pasid_stdev_id, NULL, + &self->no_pasid_device_id); +} - /* Negative test: invalid vdev_id */ - num_inv = 1; - inv_reqs[0].flags = 0; - inv_reqs[0].vdev_id = 0x9; - inv_reqs[0].cache_id = 0; - test_err_viommu_invalidate(EINVAL, viommu_id, inv_reqs, - IOMMU_VIOMMU_INVALIDATE_DATA_SELFTEST, - sizeof(*inv_reqs), &num_inv); - assert(!num_inv); +FIXTURE_TEARDOWN(iommufd_device_pasid) +{ + teardown_iommufd(self->fd, _metadata); +} +FIXTURE_VARIANT_ADD(iommufd_device_pasid, no_pasid) +{ + .pasid_capable = false, +}; + +FIXTURE_VARIANT_ADD(iommufd_device_pasid, has_pasid) +{ + .pasid_capable = true, +}; + +TEST_F(iommufd_device_pasid, pasid_attach) +{ + struct iommu_hwpt_selftest data = { + .iotlb = IOMMU_TEST_IOTLB_DEFAULT, + }; + uint32_t nested_hwpt_id[3] = {}; + uint32_t parent_hwpt_id = 0; + uint32_t fault_id, fault_fd; + uint32_t s2_hwpt_id = 0; + uint32_t iopf_hwpt_id; + uint32_t pasid = 100; + uint32_t viommu_id; + + /* + * Negative, detach pasid without attaching, this is not expected. + * But it should not result in failure anyway. + */ + test_cmd_pasid_detach(pasid); + + /* Allocate two nested hwpts sharing one common parent hwpt */ + test_cmd_hwpt_alloc(self->device_id, self->ioas_id, + IOMMU_HWPT_ALLOC_NEST_PARENT, + &parent_hwpt_id); + test_cmd_hwpt_alloc_nested(self->device_id, parent_hwpt_id, + IOMMU_HWPT_ALLOC_PASID, + &nested_hwpt_id[0], + IOMMU_HWPT_DATA_SELFTEST, + &data, sizeof(data)); + test_cmd_hwpt_alloc_nested(self->device_id, parent_hwpt_id, + IOMMU_HWPT_ALLOC_PASID, + &nested_hwpt_id[1], + IOMMU_HWPT_DATA_SELFTEST, + &data, sizeof(data)); + + /* Fault related preparation */ + test_ioctl_fault_alloc(&fault_id, &fault_fd); + test_cmd_hwpt_alloc_iopf(self->device_id, parent_hwpt_id, fault_id, + IOMMU_HWPT_FAULT_ID_VALID | IOMMU_HWPT_ALLOC_PASID, + &iopf_hwpt_id, + IOMMU_HWPT_DATA_SELFTEST, &data, + sizeof(data)); + + /* Allocate a regular nested hwpt based on viommu */ + test_cmd_viommu_alloc(self->device_id, parent_hwpt_id, + IOMMU_VIOMMU_TYPE_SELFTEST, NULL, 0, &viommu_id); + test_cmd_hwpt_alloc_nested(self->device_id, viommu_id, + IOMMU_HWPT_ALLOC_PASID, + &nested_hwpt_id[2], + IOMMU_HWPT_DATA_SELFTEST, &data, + sizeof(data)); + + test_cmd_hwpt_alloc(self->device_id, self->ioas_id, + IOMMU_HWPT_ALLOC_PASID, + &s2_hwpt_id); + + /* Attach RID to non-pasid compat domain, */ + test_cmd_mock_domain_replace(self->stdev_id, parent_hwpt_id); + /* then attach to pasid should fail */ + test_err_pasid_attach(EINVAL, pasid, s2_hwpt_id); + + /* Attach RID to pasid compat domain, */ + test_cmd_mock_domain_replace(self->stdev_id, s2_hwpt_id); + /* then attach to pasid should succeed, */ + test_cmd_pasid_attach(pasid, nested_hwpt_id[0]); + /* but attach RID to non-pasid compat domain should fail now. */ + test_err_mock_domain_replace(EINVAL, self->stdev_id, parent_hwpt_id); + /* + * Detach hwpt from pasid 100, and check if the pasid 100 + * has null domain. + */ + test_cmd_pasid_detach(pasid); + ASSERT_EQ(0, + test_cmd_pasid_check_hwpt(self->fd, self->stdev_id, + pasid, 0)); + /* RID is attached to pasid-comapt domain, pasid path is not used */ + + if (!variant->pasid_capable) { /* - * Invalidate the 1st cache entry but fail the 2nd request - * due to invalid flags configuration in the 2nd request. + * PASID-compatible domain can be used by non-PASID-capable + * device. */ - num_inv = 2; - inv_reqs[0].flags = 0; - inv_reqs[0].vdev_id = 0x99; - inv_reqs[0].cache_id = 0; - inv_reqs[1].flags = 0xffffffff; - inv_reqs[1].vdev_id = 0x99; - inv_reqs[1].cache_id = 1; - test_err_viommu_invalidate(EOPNOTSUPP, viommu_id, inv_reqs, - IOMMU_VIOMMU_INVALIDATE_DATA_SELFTEST, - sizeof(*inv_reqs), &num_inv); - assert(num_inv == 1); - test_cmd_dev_check_cache(dev_id, 0, 0); - test_cmd_dev_check_cache(dev_id, 1, - IOMMU_TEST_DEV_CACHE_DEFAULT); - test_cmd_dev_check_cache(dev_id, 2, - IOMMU_TEST_DEV_CACHE_DEFAULT); - test_cmd_dev_check_cache(dev_id, 3, - IOMMU_TEST_DEV_CACHE_DEFAULT); - + test_cmd_mock_domain_replace(self->no_pasid_stdev_id, nested_hwpt_id[0]); + test_cmd_mock_domain_replace(self->no_pasid_stdev_id, self->ioas_id); /* - * Invalidate the 1st cache entry but fail the 2nd request - * due to invalid cache_id configuration in the 2nd request. + * Attach hwpt to pasid 100 of non-PASID-capable device, + * should fail, no matter domain is pasid-comapt or not. */ - num_inv = 2; - inv_reqs[0].flags = 0; - inv_reqs[0].vdev_id = 0x99; - inv_reqs[0].cache_id = 0; - inv_reqs[1].flags = 0; - inv_reqs[1].vdev_id = 0x99; - inv_reqs[1].cache_id = MOCK_DEV_CACHE_ID_MAX + 1; - test_err_viommu_invalidate(EINVAL, viommu_id, inv_reqs, - IOMMU_VIOMMU_INVALIDATE_DATA_SELFTEST, - sizeof(*inv_reqs), &num_inv); - assert(num_inv == 1); - test_cmd_dev_check_cache(dev_id, 0, 0); - test_cmd_dev_check_cache(dev_id, 1, - IOMMU_TEST_DEV_CACHE_DEFAULT); - test_cmd_dev_check_cache(dev_id, 2, - IOMMU_TEST_DEV_CACHE_DEFAULT); - test_cmd_dev_check_cache(dev_id, 3, - IOMMU_TEST_DEV_CACHE_DEFAULT); - - /* Invalidate the 2nd cache entry and verify */ - num_inv = 1; - inv_reqs[0].flags = 0; - inv_reqs[0].vdev_id = 0x99; - inv_reqs[0].cache_id = 1; - test_cmd_viommu_invalidate(viommu_id, inv_reqs, - sizeof(*inv_reqs), &num_inv); - assert(num_inv == 1); - test_cmd_dev_check_cache(dev_id, 0, 0); - test_cmd_dev_check_cache(dev_id, 1, 0); - test_cmd_dev_check_cache(dev_id, 2, - IOMMU_TEST_DEV_CACHE_DEFAULT); - test_cmd_dev_check_cache(dev_id, 3, - IOMMU_TEST_DEV_CACHE_DEFAULT); - - /* Invalidate the 3rd and 4th cache entries and verify */ - num_inv = 2; - inv_reqs[0].flags = 0; - inv_reqs[0].vdev_id = 0x99; - inv_reqs[0].cache_id = 2; - inv_reqs[1].flags = 0; - inv_reqs[1].vdev_id = 0x99; - inv_reqs[1].cache_id = 3; - test_cmd_viommu_invalidate(viommu_id, inv_reqs, - sizeof(*inv_reqs), &num_inv); - assert(num_inv == 2); - test_cmd_dev_check_cache_all(dev_id, 0); - - /* Invalidate all cache entries for nested_dev_id[1] and verify */ - num_inv = 1; - inv_reqs[0].vdev_id = 0x99; - inv_reqs[0].flags = IOMMU_TEST_INVALIDATE_FLAG_ALL; - test_cmd_viommu_invalidate(viommu_id, inv_reqs, - sizeof(*inv_reqs), &num_inv); - assert(num_inv == 1); - test_cmd_dev_check_cache_all(dev_id, 0); - test_ioctl_destroy(vdev_id); + EXPECT_ERRNO(EINVAL, + _test_cmd_pasid_attach(self->fd, self->no_pasid_stdev_id, + pasid, parent_hwpt_id)); + EXPECT_ERRNO(EINVAL, + _test_cmd_pasid_attach(self->fd, self->no_pasid_stdev_id, + pasid, s2_hwpt_id)); } + + /* + * Attach non pasid compat hwpt to pasid-capable device, should + * fail, and have null domain. + */ + test_err_pasid_attach(EINVAL, pasid, parent_hwpt_id); + ASSERT_EQ(0, + test_cmd_pasid_check_hwpt(self->fd, self->stdev_id, + pasid, 0)); + + /* + * Attach ioas to pasid 100, should fail, domain should + * be null. + */ + test_err_pasid_attach(EINVAL, pasid, self->ioas_id); + ASSERT_EQ(0, + test_cmd_pasid_check_hwpt(self->fd, self->stdev_id, + pasid, 0)); + + /* + * Attach the s2_hwpt to pasid 100, should succeed, domain should + * be valid. + */ + test_cmd_pasid_attach(pasid, s2_hwpt_id); + ASSERT_EQ(0, + test_cmd_pasid_check_hwpt(self->fd, self->stdev_id, + pasid, s2_hwpt_id)); + + /* + * Try attach pasid 100 with another hwpt, should FAIL + * as attach does not allow overwrite, use REPLACE instead. + */ + test_err_pasid_attach(EBUSY, pasid, nested_hwpt_id[0]); + + /* + * Detach hwpt from pasid 100 for next test, should succeed, + * and have null domain. + */ + test_cmd_pasid_detach(pasid); + ASSERT_EQ(0, + test_cmd_pasid_check_hwpt(self->fd, self->stdev_id, + pasid, 0)); + + /* + * Attach nested hwpt to pasid 100, should succeed, domain + * should be valid. + */ + test_cmd_pasid_attach(pasid, nested_hwpt_id[0]); + ASSERT_EQ(0, + test_cmd_pasid_check_hwpt(self->fd, self->stdev_id, + pasid, nested_hwpt_id[0])); + + /* Attach to pasid 100 which has been attached, should fail. */ + test_err_pasid_attach(EBUSY, pasid, nested_hwpt_id[0]); + + /* cleanup pasid 100 */ + test_cmd_pasid_detach(pasid); + + /* Replace tests */ + + pasid = 200; + /* + * Replace pasid 200 without attaching it, should fail + * with -EINVAL. + */ + test_err_pasid_replace(EINVAL, pasid, s2_hwpt_id); + + /* + * Attach the s2 hwpt to pasid 200, should succeed, domain should + * be valid. + */ + test_cmd_pasid_attach(pasid, s2_hwpt_id); + ASSERT_EQ(0, + test_cmd_pasid_check_hwpt(self->fd, self->stdev_id, + pasid, s2_hwpt_id)); + + /* + * Replace pasid 200 with self->ioas_id, should fail + * and domain should be the prior s2 hwpt. + */ + test_err_pasid_replace(EINVAL, pasid, self->ioas_id); + ASSERT_EQ(0, + test_cmd_pasid_check_hwpt(self->fd, self->stdev_id, + pasid, s2_hwpt_id)); + + /* + * Replace a nested hwpt for pasid 200, should succeed, + * and have valid domain. + */ + test_cmd_pasid_replace(pasid, nested_hwpt_id[0]); + ASSERT_EQ(0, + test_cmd_pasid_check_hwpt(self->fd, self->stdev_id, + pasid, nested_hwpt_id[0])); + + /* + * Replace with another nested hwpt for pasid 200, should + * succeed, and have valid domain. + */ + test_cmd_pasid_replace(pasid, nested_hwpt_id[1]); + ASSERT_EQ(0, + test_cmd_pasid_check_hwpt(self->fd, self->stdev_id, + pasid, nested_hwpt_id[1])); + + /* cleanup pasid 200 */ + test_cmd_pasid_detach(pasid); + + /* Negative Tests for pasid replace, use pasid 1024 */ + + /* + * Attach the s2 hwpt to pasid 1024, should succeed, domain should + * be valid. + */ + pasid = 1024; + test_cmd_pasid_attach(pasid, s2_hwpt_id); + ASSERT_EQ(0, + test_cmd_pasid_check_hwpt(self->fd, self->stdev_id, + pasid, s2_hwpt_id)); + + /* + * Replace pasid 1024 with nested_hwpt_id[0], should fail, + * but have the old valid domain. This is a designed + * negative case. Normally, this shall succeed. + */ + test_err_pasid_replace(ENOMEM, pasid, nested_hwpt_id[0]); + ASSERT_EQ(0, + test_cmd_pasid_check_hwpt(self->fd, self->stdev_id, + pasid, s2_hwpt_id)); + + /* cleanup pasid 1024 */ + test_cmd_pasid_detach(pasid); + + /* Attach to iopf-capable hwpt */ + + /* + * Attach an iopf hwpt to pasid 2048, should succeed, domain should + * be valid. + */ + pasid = 2048; + test_cmd_pasid_attach(pasid, iopf_hwpt_id); + ASSERT_EQ(0, + test_cmd_pasid_check_hwpt(self->fd, self->stdev_id, + pasid, iopf_hwpt_id)); + + test_cmd_trigger_iopf_pasid(self->device_id, pasid, fault_fd); + + /* + * Replace with s2_hwpt_id for pasid 2048, should + * succeed, and have valid domain. + */ + test_cmd_pasid_replace(pasid, s2_hwpt_id); + ASSERT_EQ(0, + test_cmd_pasid_check_hwpt(self->fd, self->stdev_id, + pasid, s2_hwpt_id)); + + /* cleanup pasid 2048 */ + test_cmd_pasid_detach(pasid); + + test_ioctl_destroy(iopf_hwpt_id); + close(fault_fd); + test_ioctl_destroy(fault_id); + + /* Detach the s2_hwpt_id from RID */ + test_cmd_mock_domain_replace(self->stdev_id, self->ioas_id); } TEST_HARNESS_MAIN |