Add a new IOMMU_TEST_OP_ACCESS_SET_IOAS to allow setting access->ioas individually, corresponding to the iommufd_access_set_ioas() helper.
Signed-off-by: Nicolin Chen nicolinc@nvidia.com --- drivers/iommu/iommufd/iommufd_test.h | 4 +++ drivers/iommu/iommufd/selftest.c | 26 +++++++++++++++---- tools/testing/selftests/iommu/iommufd_utils.h | 22 ++++++++++++++-- 3 files changed, 45 insertions(+), 7 deletions(-)
diff --git a/drivers/iommu/iommufd/iommufd_test.h b/drivers/iommu/iommufd/iommufd_test.h index 1d96a8f466fd..f2c61a9500e7 100644 --- a/drivers/iommu/iommufd/iommufd_test.h +++ b/drivers/iommu/iommufd/iommufd_test.h @@ -13,6 +13,7 @@ enum { IOMMU_TEST_OP_MD_CHECK_MAP, IOMMU_TEST_OP_MD_CHECK_REFS, IOMMU_TEST_OP_CREATE_ACCESS, + IOMMU_TEST_OP_ACCESS_SET_IOAS, IOMMU_TEST_OP_DESTROY_ACCESS_PAGES, IOMMU_TEST_OP_ACCESS_PAGES, IOMMU_TEST_OP_ACCESS_RW, @@ -66,6 +67,9 @@ struct iommu_test_cmd { __u32 out_access_fd; __u32 flags; } create_access; + struct { + __u32 ioas_id; + } access_set_ioas; struct { __u32 access_pages_id; } destroy_access_pages; diff --git a/drivers/iommu/iommufd/selftest.c b/drivers/iommu/iommufd/selftest.c index db4011bdc8a9..b94870f93138 100644 --- a/drivers/iommu/iommufd/selftest.c +++ b/drivers/iommu/iommufd/selftest.c @@ -549,7 +549,7 @@ static struct selftest_access *iommufd_test_alloc_access(void) }
static int iommufd_test_create_access(struct iommufd_ucmd *ucmd, - unsigned int ioas_id, unsigned int flags) + unsigned int flags) { struct iommu_test_cmd *cmd = ucmd->cmd; struct selftest_access *staccess; @@ -580,9 +580,6 @@ static int iommufd_test_create_access(struct iommufd_ucmd *ucmd, rc = PTR_ERR(access); goto out_put_fdno; } - rc = iommufd_access_set_ioas(access, ioas_id); - if (rc) - goto out_destroy; cmd->create_access.out_access_fd = fdno; rc = iommufd_ucmd_respond(ucmd, sizeof(*cmd)); if (rc) @@ -601,6 +598,22 @@ static int iommufd_test_create_access(struct iommufd_ucmd *ucmd, return rc; }
+static int iommufd_test_access_set_ioas(struct iommufd_ucmd *ucmd, + unsigned int access_id, + unsigned int ioas_id) +{ + struct selftest_access *staccess; + int rc; + + staccess = iommufd_access_get(access_id); + if (IS_ERR(staccess)) + return PTR_ERR(staccess); + + rc = iommufd_access_set_ioas(staccess->access, ioas_id); + fput(staccess->file); + return rc; +} + /* Check that the pages in a page array match the pages in the user VA */ static int iommufd_test_check_pages(void __user *uptr, struct page **pages, size_t npages) @@ -810,8 +823,11 @@ int iommufd_test(struct iommufd_ucmd *ucmd) ucmd, u64_to_user_ptr(cmd->check_refs.uptr), cmd->check_refs.length, cmd->check_refs.refs); case IOMMU_TEST_OP_CREATE_ACCESS: - return iommufd_test_create_access(ucmd, cmd->id, + return iommufd_test_create_access(ucmd, cmd->create_access.flags); + case IOMMU_TEST_OP_ACCESS_SET_IOAS: + return iommufd_test_access_set_ioas( + ucmd, cmd->id, cmd->access_set_ioas.ioas_id); case IOMMU_TEST_OP_ACCESS_PAGES: return iommufd_test_access_pages( ucmd, cmd->id, cmd->access_pages.iova, diff --git a/tools/testing/selftests/iommu/iommufd_utils.h b/tools/testing/selftests/iommu/iommufd_utils.h index 0d1f46369c2a..67805afc620f 100644 --- a/tools/testing/selftests/iommu/iommufd_utils.h +++ b/tools/testing/selftests/iommu/iommufd_utils.h @@ -66,13 +66,31 @@ static int _test_cmd_mock_domain(int fd, unsigned int ioas_id, __u32 *device_id, EXPECT_ERRNO(_errno, _test_cmd_mock_domain(self->fd, ioas_id, \ device_id, hwpt_id))
+static int _test_cmd_access_set_ioas(int fd, __u32 access_id, + unsigned int ioas_id) +{ + struct iommu_test_cmd cmd = { + .size = sizeof(cmd), + .op = IOMMU_TEST_OP_ACCESS_SET_IOAS, + .id = access_id, + .access_set_ioas = { .ioas_id = ioas_id }, + }; + int ret; + + ret = ioctl(fd, IOMMU_TEST_CMD, &cmd); + if (ret) + return ret; + return 0; +} +#define test_cmd_access_set_ioas(access_id, ioas_id) \ + ASSERT_EQ(0, _test_cmd_access_set_ioas(self->fd, access_id, ioas_id)) + static int _test_cmd_create_access(int fd, unsigned int ioas_id, __u32 *access_id, unsigned int flags) { struct iommu_test_cmd cmd = { .size = sizeof(cmd), .op = IOMMU_TEST_OP_CREATE_ACCESS, - .id = ioas_id, .create_access = { .flags = flags }, }; int ret; @@ -81,7 +99,7 @@ static int _test_cmd_create_access(int fd, unsigned int ioas_id, if (ret) return ret; *access_id = cmd.create_access.out_access_fd; - return 0; + return _test_cmd_access_set_ioas(fd, *access_id, ioas_id); } #define test_cmd_create_access(ioas_id, access_id, flags) \ ASSERT_EQ(0, _test_cmd_create_access(self->fd, ioas_id, access_id, \