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authorYi Liu <yi.l.liu@intel.com>2023-09-28 10:15:27 +0300
committerJason Gunthorpe <jgg@nvidia.com>2023-10-10 19:31:24 +0300
commit408663619fcfc89c087df65b362c91bf0a0be617 (patch)
treeb0eaee0cd0d88b3f0c14f62461a4d4cb529bd88f /tools/testing/selftests/iommu
parent4ff542163397073f86eda484318d61980ff1031d (diff)
downloadlinux-408663619fcfc89c087df65b362c91bf0a0be617.tar.xz
iommufd/selftest: Add domain_alloc_user() support in iommu mock
Add mock_domain_alloc_user() and a new test case for IOMMU_HWPT_ALLOC_NEST_PARENT. Link: https://lore.kernel.org/r/20230928071528.26258-6-yi.l.liu@intel.com Co-developed-by: Nicolin Chen <nicolinc@nvidia.com> Signed-off-by: Nicolin Chen <nicolinc@nvidia.com> Signed-off-by: Yi Liu <yi.l.liu@intel.com> Reviewed-by: Kevin Tian <kevin.tian@intel.com> Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
Diffstat (limited to 'tools/testing/selftests/iommu')
-rw-r--r--tools/testing/selftests/iommu/iommufd.c24
-rw-r--r--tools/testing/selftests/iommu/iommufd_fail_nth.c2
-rw-r--r--tools/testing/selftests/iommu/iommufd_utils.h11
3 files changed, 29 insertions, 8 deletions
diff --git a/tools/testing/selftests/iommu/iommufd.c b/tools/testing/selftests/iommu/iommufd.c
index f094a08a17ed..c5eca2fee42c 100644
--- a/tools/testing/selftests/iommu/iommufd.c
+++ b/tools/testing/selftests/iommu/iommufd.c
@@ -114,6 +114,7 @@ TEST_F(iommufd, cmd_length)
TEST_LENGTH(iommu_destroy, IOMMU_DESTROY);
TEST_LENGTH(iommu_hw_info, IOMMU_GET_HW_INFO);
+ TEST_LENGTH(iommu_hwpt_alloc, IOMMU_HWPT_ALLOC);
TEST_LENGTH(iommu_ioas_alloc, IOMMU_IOAS_ALLOC);
TEST_LENGTH(iommu_ioas_iova_ranges, IOMMU_IOAS_IOVA_RANGES);
TEST_LENGTH(iommu_ioas_allow_iovas, IOMMU_IOAS_ALLOW_IOVAS);
@@ -1404,13 +1405,28 @@ TEST_F(iommufd_mock_domain, alloc_hwpt)
int i;
for (i = 0; i != variant->mock_domains; i++) {
+ uint32_t hwpt_id[2];
uint32_t stddev_id;
- uint32_t hwpt_id;
- test_cmd_hwpt_alloc(self->idev_ids[i], self->ioas_id, &hwpt_id);
- test_cmd_mock_domain(hwpt_id, &stddev_id, NULL, NULL);
+ test_err_hwpt_alloc(EOPNOTSUPP,
+ self->idev_ids[i], self->ioas_id,
+ ~IOMMU_HWPT_ALLOC_NEST_PARENT, &hwpt_id[0]);
+ test_cmd_hwpt_alloc(self->idev_ids[i], self->ioas_id,
+ 0, &hwpt_id[0]);
+ test_cmd_hwpt_alloc(self->idev_ids[i], self->ioas_id,
+ IOMMU_HWPT_ALLOC_NEST_PARENT, &hwpt_id[1]);
+
+ /* Do a hw_pagetable rotation test */
+ test_cmd_mock_domain_replace(self->stdev_ids[i], hwpt_id[0]);
+ EXPECT_ERRNO(EBUSY, _test_ioctl_destroy(self->fd, hwpt_id[0]));
+ test_cmd_mock_domain_replace(self->stdev_ids[i], hwpt_id[1]);
+ EXPECT_ERRNO(EBUSY, _test_ioctl_destroy(self->fd, hwpt_id[1]));
+ test_cmd_mock_domain_replace(self->stdev_ids[i], self->ioas_id);
+ test_ioctl_destroy(hwpt_id[1]);
+
+ test_cmd_mock_domain(hwpt_id[0], &stddev_id, NULL, NULL);
test_ioctl_destroy(stddev_id);
- test_ioctl_destroy(hwpt_id);
+ test_ioctl_destroy(hwpt_id[0]);
}
}
diff --git a/tools/testing/selftests/iommu/iommufd_fail_nth.c b/tools/testing/selftests/iommu/iommufd_fail_nth.c
index 36e7aa4f615c..31386be42439 100644
--- a/tools/testing/selftests/iommu/iommufd_fail_nth.c
+++ b/tools/testing/selftests/iommu/iommufd_fail_nth.c
@@ -615,7 +615,7 @@ TEST_FAIL_NTH(basic_fail_nth, device)
if (_test_cmd_get_hw_info(self->fd, idev_id, &info, sizeof(info)))
return -1;
- if (_test_cmd_hwpt_alloc(self->fd, idev_id, ioas_id, &hwpt_id))
+ if (_test_cmd_hwpt_alloc(self->fd, idev_id, ioas_id, 0, &hwpt_id))
return -1;
if (_test_cmd_mock_domain_replace(self->fd, stdev_id, ioas_id2, NULL))
diff --git a/tools/testing/selftests/iommu/iommufd_utils.h b/tools/testing/selftests/iommu/iommufd_utils.h
index e0753d03ecaa..be4970a84977 100644
--- a/tools/testing/selftests/iommu/iommufd_utils.h
+++ b/tools/testing/selftests/iommu/iommufd_utils.h
@@ -103,10 +103,11 @@ static int _test_cmd_mock_domain_replace(int fd, __u32 stdev_id, __u32 pt_id,
pt_id, NULL))
static int _test_cmd_hwpt_alloc(int fd, __u32 device_id, __u32 pt_id,
- __u32 *hwpt_id)
+ __u32 flags, __u32 *hwpt_id)
{
struct iommu_hwpt_alloc cmd = {
.size = sizeof(cmd),
+ .flags = flags,
.dev_id = device_id,
.pt_id = pt_id,
};
@@ -120,8 +121,12 @@ static int _test_cmd_hwpt_alloc(int fd, __u32 device_id, __u32 pt_id,
return 0;
}
-#define test_cmd_hwpt_alloc(device_id, pt_id, hwpt_id) \
- ASSERT_EQ(0, _test_cmd_hwpt_alloc(self->fd, device_id, pt_id, hwpt_id))
+#define test_cmd_hwpt_alloc(device_id, pt_id, flags, hwpt_id) \
+ ASSERT_EQ(0, _test_cmd_hwpt_alloc(self->fd, device_id, \
+ pt_id, flags, hwpt_id))
+#define test_err_hwpt_alloc(_errno, device_id, pt_id, flags, hwpt_id) \
+ EXPECT_ERRNO(_errno, _test_cmd_hwpt_alloc(self->fd, device_id, \
+ pt_id, flags, hwpt_id))
static int _test_cmd_access_replace_ioas(int fd, __u32 access_id,
unsigned int ioas_id)