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Diffstat (limited to 'tools/testing/selftests/iommu/iommufd_fail_nth.c')
-rw-r--r--tools/testing/selftests/iommu/iommufd_fail_nth.c214
1 files changed, 191 insertions, 23 deletions
diff --git a/tools/testing/selftests/iommu/iommufd_fail_nth.c b/tools/testing/selftests/iommu/iommufd_fail_nth.c
index 9713111b820d..45c14323a618 100644
--- a/tools/testing/selftests/iommu/iommufd_fail_nth.c
+++ b/tools/testing/selftests/iommu/iommufd_fail_nth.c
@@ -41,10 +41,15 @@ static int writeat(int dfd, const char *fn, const char *val)
static __attribute__((constructor)) void setup_buffer(void)
{
+ PAGE_SIZE = sysconf(_SC_PAGE_SIZE);
+
BUFFER_SIZE = 2*1024*1024;
buffer = mmap(0, BUFFER_SIZE, PROT_READ | PROT_WRITE,
MAP_SHARED | MAP_ANONYMOUS, -1, 0);
+
+ mfd_buffer = memfd_mmap(BUFFER_SIZE, PROT_READ | PROT_WRITE, MAP_SHARED,
+ &mfd);
}
/*
@@ -103,12 +108,12 @@ static bool fail_nth_next(struct __test_metadata *_metadata,
/*
* This is just an arbitrary limit based on the current kernel
- * situation. Changes in the kernel can dramtically change the number of
+ * situation. Changes in the kernel can dramatically change the number of
* required fault injection sites, so if this hits it doesn't
* necessarily mean a test failure, just that the limit has to be made
* bigger.
*/
- ASSERT_GT(400, nth_state->iteration);
+ ASSERT_GT(1000, nth_state->iteration);
if (nth_state->iteration != 0) {
ssize_t res;
ssize_t res2;
@@ -204,12 +209,16 @@ FIXTURE(basic_fail_nth)
{
int fd;
uint32_t access_id;
+ uint32_t stdev_id;
+ uint32_t pasid;
};
FIXTURE_SETUP(basic_fail_nth)
{
self->fd = -1;
self->access_id = 0;
+ self->stdev_id = 0;
+ self->pasid = 0; //test should use a non-zero value
}
FIXTURE_TEARDOWN(basic_fail_nth)
@@ -221,6 +230,8 @@ FIXTURE_TEARDOWN(basic_fail_nth)
rc = _test_cmd_destroy_access(self->access_id);
assert(rc == 0);
}
+ if (self->pasid && self->stdev_id)
+ _test_cmd_pasid_detach(self->fd, self->stdev_id, self->pasid);
teardown_iommufd(self->fd, _metadata);
}
@@ -297,7 +308,7 @@ TEST_FAIL_NTH(basic_fail_nth, basic)
TEST_FAIL_NTH(basic_fail_nth, map_domain)
{
uint32_t ioas_id;
- __u32 device_id;
+ __u32 stdev_id;
__u32 hwpt_id;
__u64 iova;
@@ -313,7 +324,7 @@ TEST_FAIL_NTH(basic_fail_nth, map_domain)
fail_nth_enable();
- if (_test_cmd_mock_domain(self->fd, ioas_id, &device_id, &hwpt_id))
+ if (_test_cmd_mock_domain(self->fd, ioas_id, &stdev_id, &hwpt_id, NULL))
return -1;
if (_test_ioctl_ioas_map(self->fd, ioas_id, buffer, 262144, &iova,
@@ -321,12 +332,46 @@ TEST_FAIL_NTH(basic_fail_nth, map_domain)
IOMMU_IOAS_MAP_READABLE))
return -1;
- if (_test_ioctl_destroy(self->fd, device_id))
+ if (_test_ioctl_destroy(self->fd, stdev_id))
return -1;
- if (_test_ioctl_destroy(self->fd, hwpt_id))
+
+ if (_test_cmd_mock_domain(self->fd, ioas_id, &stdev_id, &hwpt_id, NULL))
return -1;
+ return 0;
+}
+
+/* iopt_area_fill_domains() and iopt_area_fill_domain() */
+TEST_FAIL_NTH(basic_fail_nth, map_file_domain)
+{
+ uint32_t ioas_id;
+ __u32 stdev_id;
+ __u32 hwpt_id;
+ __u64 iova;
+
+ self->fd = open("/dev/iommu", O_RDWR);
+ if (self->fd == -1)
+ return -1;
+
+ if (_test_ioctl_ioas_alloc(self->fd, &ioas_id))
+ return -1;
+
+ if (_test_ioctl_set_temp_memory_limit(self->fd, 32))
+ return -1;
+
+ fail_nth_enable();
- if (_test_cmd_mock_domain(self->fd, ioas_id, &device_id, &hwpt_id))
+ if (_test_cmd_mock_domain(self->fd, ioas_id, &stdev_id, &hwpt_id, NULL))
+ return -1;
+
+ if (_test_ioctl_ioas_map_file(self->fd, ioas_id, mfd, 0, 262144, &iova,
+ IOMMU_IOAS_MAP_WRITEABLE |
+ IOMMU_IOAS_MAP_READABLE))
+ return -1;
+
+ if (_test_ioctl_destroy(self->fd, stdev_id))
+ return -1;
+
+ if (_test_cmd_mock_domain(self->fd, ioas_id, &stdev_id, &hwpt_id, NULL))
return -1;
return 0;
}
@@ -334,8 +379,8 @@ TEST_FAIL_NTH(basic_fail_nth, map_domain)
TEST_FAIL_NTH(basic_fail_nth, map_two_domains)
{
uint32_t ioas_id;
- __u32 device_id2;
- __u32 device_id;
+ __u32 stdev_id2;
+ __u32 stdev_id;
__u32 hwpt_id2;
__u32 hwpt_id;
__u64 iova;
@@ -350,12 +395,13 @@ TEST_FAIL_NTH(basic_fail_nth, map_two_domains)
if (_test_ioctl_set_temp_memory_limit(self->fd, 32))
return -1;
- if (_test_cmd_mock_domain(self->fd, ioas_id, &device_id, &hwpt_id))
+ if (_test_cmd_mock_domain(self->fd, ioas_id, &stdev_id, &hwpt_id, NULL))
return -1;
fail_nth_enable();
- if (_test_cmd_mock_domain(self->fd, ioas_id, &device_id2, &hwpt_id2))
+ if (_test_cmd_mock_domain(self->fd, ioas_id, &stdev_id2, &hwpt_id2,
+ NULL))
return -1;
if (_test_ioctl_ioas_map(self->fd, ioas_id, buffer, 262144, &iova,
@@ -363,19 +409,16 @@ TEST_FAIL_NTH(basic_fail_nth, map_two_domains)
IOMMU_IOAS_MAP_READABLE))
return -1;
- if (_test_ioctl_destroy(self->fd, device_id))
- return -1;
- if (_test_ioctl_destroy(self->fd, hwpt_id))
+ if (_test_ioctl_destroy(self->fd, stdev_id))
return -1;
- if (_test_ioctl_destroy(self->fd, device_id2))
- return -1;
- if (_test_ioctl_destroy(self->fd, hwpt_id2))
+ if (_test_ioctl_destroy(self->fd, stdev_id2))
return -1;
- if (_test_cmd_mock_domain(self->fd, ioas_id, &device_id, &hwpt_id))
+ if (_test_cmd_mock_domain(self->fd, ioas_id, &stdev_id, &hwpt_id, NULL))
return -1;
- if (_test_cmd_mock_domain(self->fd, ioas_id, &device_id2, &hwpt_id2))
+ if (_test_cmd_mock_domain(self->fd, ioas_id, &stdev_id2, &hwpt_id2,
+ NULL))
return -1;
return 0;
}
@@ -518,7 +561,7 @@ TEST_FAIL_NTH(basic_fail_nth, access_pin_domain)
{
uint32_t access_pages_id;
uint32_t ioas_id;
- __u32 device_id;
+ __u32 stdev_id;
__u32 hwpt_id;
__u64 iova;
@@ -532,7 +575,7 @@ TEST_FAIL_NTH(basic_fail_nth, access_pin_domain)
if (_test_ioctl_set_temp_memory_limit(self->fd, 32))
return -1;
- if (_test_cmd_mock_domain(self->fd, ioas_id, &device_id, &hwpt_id))
+ if (_test_cmd_mock_domain(self->fd, ioas_id, &stdev_id, &hwpt_id, NULL))
return -1;
if (_test_ioctl_ioas_map(self->fd, ioas_id, buffer, BUFFER_SIZE, &iova,
@@ -570,10 +613,135 @@ TEST_FAIL_NTH(basic_fail_nth, access_pin_domain)
return -1;
self->access_id = 0;
- if (_test_ioctl_destroy(self->fd, device_id))
+ if (_test_ioctl_destroy(self->fd, stdev_id))
+ return -1;
+ return 0;
+}
+
+/* device.c */
+TEST_FAIL_NTH(basic_fail_nth, device)
+{
+ struct iommu_hwpt_selftest data = {
+ .iotlb = IOMMU_TEST_IOTLB_DEFAULT,
+ };
+ struct iommu_test_hw_info info;
+ uint32_t fault_id, fault_fd;
+ uint32_t veventq_id, veventq_fd;
+ uint32_t fault_hwpt_id;
+ uint32_t test_hwpt_id;
+ uint32_t ioas_id;
+ uint32_t ioas_id2;
+ uint32_t idev_id;
+ uint32_t hwpt_id;
+ uint32_t viommu_id;
+ uint32_t hw_queue_id;
+ uint32_t vdev_id;
+ __u64 iova;
+
+ self->fd = open("/dev/iommu", O_RDWR);
+ if (self->fd == -1)
return -1;
- if (_test_ioctl_destroy(self->fd, hwpt_id))
+
+ if (_test_ioctl_ioas_alloc(self->fd, &ioas_id))
+ return -1;
+
+ if (_test_ioctl_ioas_alloc(self->fd, &ioas_id2))
return -1;
+
+ iova = MOCK_APERTURE_START;
+ if (_test_ioctl_ioas_map(self->fd, ioas_id, buffer, PAGE_SIZE, &iova,
+ IOMMU_IOAS_MAP_FIXED_IOVA |
+ IOMMU_IOAS_MAP_WRITEABLE |
+ IOMMU_IOAS_MAP_READABLE))
+ return -1;
+ if (_test_ioctl_ioas_map(self->fd, ioas_id2, buffer, PAGE_SIZE, &iova,
+ IOMMU_IOAS_MAP_FIXED_IOVA |
+ IOMMU_IOAS_MAP_WRITEABLE |
+ IOMMU_IOAS_MAP_READABLE))
+ return -1;
+
+ fail_nth_enable();
+
+ if (_test_cmd_mock_domain_flags(self->fd, ioas_id,
+ MOCK_FLAGS_DEVICE_PASID,
+ &self->stdev_id, NULL, &idev_id))
+ return -1;
+
+ if (_test_cmd_get_hw_info(self->fd, idev_id, IOMMU_HW_INFO_TYPE_DEFAULT,
+ &info, sizeof(info), NULL, NULL))
+ return -1;
+
+ if (_test_cmd_hwpt_alloc(self->fd, idev_id, ioas_id, 0,
+ IOMMU_HWPT_ALLOC_PASID, &hwpt_id,
+ IOMMU_HWPT_DATA_NONE, 0, 0))
+ return -1;
+
+ if (_test_cmd_mock_domain_replace(self->fd, self->stdev_id, ioas_id2, NULL))
+ return -1;
+
+ if (_test_cmd_mock_domain_replace(self->fd, self->stdev_id, hwpt_id, NULL))
+ return -1;
+
+ if (_test_cmd_hwpt_alloc(self->fd, idev_id, ioas_id, 0,
+ IOMMU_HWPT_ALLOC_NEST_PARENT |
+ IOMMU_HWPT_ALLOC_PASID,
+ &hwpt_id,
+ IOMMU_HWPT_DATA_NONE, 0, 0))
+ return -1;
+
+ if (_test_cmd_viommu_alloc(self->fd, idev_id, hwpt_id, 0,
+ IOMMU_VIOMMU_TYPE_SELFTEST, NULL, 0,
+ &viommu_id))
+ return -1;
+
+ if (_test_cmd_vdevice_alloc(self->fd, viommu_id, idev_id, 0, &vdev_id))
+ return -1;
+
+ if (_test_cmd_hw_queue_alloc(self->fd, viommu_id,
+ IOMMU_HW_QUEUE_TYPE_SELFTEST, 0, iova,
+ PAGE_SIZE, &hw_queue_id))
+ return -1;
+
+ if (_test_ioctl_fault_alloc(self->fd, &fault_id, &fault_fd))
+ return -1;
+ close(fault_fd);
+
+ if (_test_cmd_hwpt_alloc(self->fd, idev_id, hwpt_id, fault_id,
+ IOMMU_HWPT_FAULT_ID_VALID, &fault_hwpt_id,
+ IOMMU_HWPT_DATA_SELFTEST, &data, sizeof(data)))
+ return -1;
+
+ if (_test_cmd_veventq_alloc(self->fd, viommu_id,
+ IOMMU_VEVENTQ_TYPE_SELFTEST, &veventq_id,
+ &veventq_fd))
+ return -1;
+ close(veventq_fd);
+
+ if (_test_cmd_hwpt_alloc(self->fd, idev_id, ioas_id, 0,
+ IOMMU_HWPT_ALLOC_PASID,
+ &test_hwpt_id,
+ IOMMU_HWPT_DATA_NONE, 0, 0))
+ return -1;
+
+ /* Tests for pasid attach/replace/detach */
+
+ self->pasid = 200;
+
+ if (_test_cmd_pasid_attach(self->fd, self->stdev_id,
+ self->pasid, hwpt_id)) {
+ self->pasid = 0;
+ return -1;
+ }
+
+ if (_test_cmd_pasid_replace(self->fd, self->stdev_id,
+ self->pasid, test_hwpt_id))
+ return -1;
+
+ if (_test_cmd_pasid_detach(self->fd, self->stdev_id, self->pasid))
+ return -1;
+
+ self->pasid = 0;
+
return 0;
}
generated by cgit (git 2.34.1) at 2025-12-26 07:26:44 +0000