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authorNicolin Chen <nicolinc@nvidia.com>2024-01-11 07:10:12 +0300
committerJason Gunthorpe <jgg@nvidia.com>2024-01-11 20:01:25 +0300
commite1fa6640d58e3529bd5e392dd92371cde2b31283 (patch)
tree360c0980b20fb92645e0b0c9ddd588598200be3a /tools
parentac8691203c07bb1897681d5c66374174336392fe (diff)
downloadlinux-e1fa6640d58e3529bd5e392dd92371cde2b31283.tar.xz
iommufd/selftest: Add IOMMU_TEST_OP_MD_CHECK_IOTLB test op
Allow to test whether IOTLB has been invalidated or not. Link: https://lore.kernel.org/r/20240111041015.47920-6-yi.l.liu@intel.com Reviewed-by: Kevin Tian <kevin.tian@intel.com> Signed-off-by: Nicolin Chen <nicolinc@nvidia.com> Signed-off-by: Yi Liu <yi.l.liu@intel.com> Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
Diffstat (limited to 'tools')
-rw-r--r--tools/testing/selftests/iommu/iommufd.c4
-rw-r--r--tools/testing/selftests/iommu/iommufd_utils.h24
2 files changed, 28 insertions, 0 deletions
diff --git a/tools/testing/selftests/iommu/iommufd.c b/tools/testing/selftests/iommu/iommufd.c
index 6ed328c863c4..c8763b880a16 100644
--- a/tools/testing/selftests/iommu/iommufd.c
+++ b/tools/testing/selftests/iommu/iommufd.c
@@ -330,6 +330,10 @@ TEST_F(iommufd_ioas, alloc_hwpt_nested)
&nested_hwpt_id[1],
IOMMU_HWPT_DATA_SELFTEST, &data,
sizeof(data));
+ test_cmd_hwpt_check_iotlb_all(nested_hwpt_id[0],
+ IOMMU_TEST_IOTLB_DEFAULT);
+ test_cmd_hwpt_check_iotlb_all(nested_hwpt_id[1],
+ IOMMU_TEST_IOTLB_DEFAULT);
/* Negative test: a nested hwpt on top of a nested hwpt */
test_err_hwpt_alloc_nested(EINVAL, self->device_id,
diff --git a/tools/testing/selftests/iommu/iommufd_utils.h b/tools/testing/selftests/iommu/iommufd_utils.h
index ad9202335656..fe0a0f566b67 100644
--- a/tools/testing/selftests/iommu/iommufd_utils.h
+++ b/tools/testing/selftests/iommu/iommufd_utils.h
@@ -195,6 +195,30 @@ static int _test_cmd_hwpt_alloc(int fd, __u32 device_id, __u32 pt_id,
_test_cmd_hwpt_alloc(self->fd, device_id, pt_id, flags, \
hwpt_id, data_type, data, data_len))
+#define test_cmd_hwpt_check_iotlb(hwpt_id, iotlb_id, expected) \
+ ({ \
+ struct iommu_test_cmd test_cmd = { \
+ .size = sizeof(test_cmd), \
+ .op = IOMMU_TEST_OP_MD_CHECK_IOTLB, \
+ .id = hwpt_id, \
+ .check_iotlb = { \
+ .id = iotlb_id, \
+ .iotlb = expected, \
+ }, \
+ }; \
+ ASSERT_EQ(0, \
+ ioctl(self->fd, \
+ _IOMMU_TEST_CMD(IOMMU_TEST_OP_MD_CHECK_IOTLB), \
+ &test_cmd)); \
+ })
+
+#define test_cmd_hwpt_check_iotlb_all(hwpt_id, expected) \
+ ({ \
+ int i; \
+ for (i = 0; i < MOCK_NESTED_DOMAIN_IOTLB_NUM; i++) \
+ test_cmd_hwpt_check_iotlb(hwpt_id, i, expected); \
+ })
+
static int _test_cmd_access_replace_ioas(int fd, __u32 access_id,
unsigned int ioas_id)
{