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Diffstat (limited to 'tools/testing/selftests/iommu/iommufd_utils.h')
-rw-r--r--tools/testing/selftests/iommu/iommufd_utils.h174
1 files changed, 174 insertions, 0 deletions
diff --git a/tools/testing/selftests/iommu/iommufd_utils.h b/tools/testing/selftests/iommu/iommufd_utils.h
index 40f6f14ce136..d979f5b0efe8 100644
--- a/tools/testing/selftests/iommu/iommufd_utils.h
+++ b/tools/testing/selftests/iommu/iommufd_utils.h
@@ -22,6 +22,12 @@
#define BIT_MASK(nr) (1UL << ((nr) % __BITS_PER_LONG))
#define BIT_WORD(nr) ((nr) / __BITS_PER_LONG)
+enum {
+ IOPT_PAGES_ACCOUNT_NONE = 0,
+ IOPT_PAGES_ACCOUNT_USER = 1,
+ IOPT_PAGES_ACCOUNT_MM = 2,
+};
+
#define DIV_ROUND_UP(n, d) (((n) + (d) - 1) / (d))
static inline void set_bit(unsigned int nr, unsigned long *addr)
@@ -40,12 +46,28 @@ static inline bool test_bit(unsigned int nr, unsigned long *addr)
static void *buffer;
static unsigned long BUFFER_SIZE;
+static void *mfd_buffer;
+static int mfd;
+
static unsigned long PAGE_SIZE;
#define sizeof_field(TYPE, MEMBER) sizeof((((TYPE *)0)->MEMBER))
#define offsetofend(TYPE, MEMBER) \
(offsetof(TYPE, MEMBER) + sizeof_field(TYPE, MEMBER))
+static inline void *memfd_mmap(size_t length, int prot, int flags, int *mfd_p)
+{
+ int mfd_flags = (flags & MAP_HUGETLB) ? MFD_HUGETLB : 0;
+ int mfd = memfd_create("buffer", mfd_flags);
+
+ if (mfd <= 0)
+ return MAP_FAILED;
+ if (ftruncate(mfd, length))
+ return MAP_FAILED;
+ *mfd_p = mfd;
+ return mmap(0, length, prot, flags, mfd, 0);
+}
+
/*
* Have the kernel check the refcount on pages. I don't know why a freshly
* mmap'd anon non-compound page starts out with a ref of 3
@@ -234,6 +256,30 @@ static int _test_cmd_hwpt_alloc(int fd, __u32 device_id, __u32 pt_id, __u32 ft_i
test_cmd_hwpt_check_iotlb(hwpt_id, i, expected); \
})
+#define test_cmd_dev_check_cache(device_id, cache_id, expected) \
+ ({ \
+ struct iommu_test_cmd test_cmd = { \
+ .size = sizeof(test_cmd), \
+ .op = IOMMU_TEST_OP_DEV_CHECK_CACHE, \
+ .id = device_id, \
+ .check_dev_cache = { \
+ .id = cache_id, \
+ .cache = expected, \
+ }, \
+ }; \
+ ASSERT_EQ(0, ioctl(self->fd, \
+ _IOMMU_TEST_CMD( \
+ IOMMU_TEST_OP_DEV_CHECK_CACHE), \
+ &test_cmd)); \
+ })
+
+#define test_cmd_dev_check_cache_all(device_id, expected) \
+ ({ \
+ int c; \
+ for (c = 0; c < MOCK_DEV_CACHE_NUM; c++) \
+ test_cmd_dev_check_cache(device_id, c, expected); \
+ })
+
static int _test_cmd_hwpt_invalidate(int fd, __u32 hwpt_id, void *reqs,
uint32_t data_type, uint32_t lreq,
uint32_t *nreqs)
@@ -265,6 +311,38 @@ static int _test_cmd_hwpt_invalidate(int fd, __u32 hwpt_id, void *reqs,
data_type, lreq, nreqs)); \
})
+static int _test_cmd_viommu_invalidate(int fd, __u32 viommu_id, void *reqs,
+ uint32_t data_type, uint32_t lreq,
+ uint32_t *nreqs)
+{
+ struct iommu_hwpt_invalidate cmd = {
+ .size = sizeof(cmd),
+ .hwpt_id = viommu_id,
+ .data_type = data_type,
+ .data_uptr = (uint64_t)reqs,
+ .entry_len = lreq,
+ .entry_num = *nreqs,
+ };
+ int rc = ioctl(fd, IOMMU_HWPT_INVALIDATE, &cmd);
+ *nreqs = cmd.entry_num;
+ return rc;
+}
+
+#define test_cmd_viommu_invalidate(viommu, reqs, lreq, nreqs) \
+ ({ \
+ ASSERT_EQ(0, \
+ _test_cmd_viommu_invalidate(self->fd, viommu, reqs, \
+ IOMMU_VIOMMU_INVALIDATE_DATA_SELFTEST, \
+ lreq, nreqs)); \
+ })
+#define test_err_viommu_invalidate(_errno, viommu_id, reqs, data_type, lreq, \
+ nreqs) \
+ ({ \
+ EXPECT_ERRNO(_errno, _test_cmd_viommu_invalidate( \
+ self->fd, viommu_id, reqs, \
+ data_type, lreq, nreqs)); \
+ })
+
static int _test_cmd_access_replace_ioas(int fd, __u32 access_id,
unsigned int ioas_id)
{
@@ -589,6 +667,47 @@ static int _test_ioctl_ioas_unmap(int fd, unsigned int ioas_id, uint64_t iova,
EXPECT_ERRNO(_errno, _test_ioctl_ioas_unmap(self->fd, self->ioas_id, \
iova, length, NULL))
+static int _test_ioctl_ioas_map_file(int fd, unsigned int ioas_id, int mfd,
+ size_t start, size_t length, __u64 *iova,
+ unsigned int flags)
+{
+ struct iommu_ioas_map_file cmd = {
+ .size = sizeof(cmd),
+ .flags = flags,
+ .ioas_id = ioas_id,
+ .fd = mfd,
+ .start = start,
+ .length = length,
+ };
+ int ret;
+
+ if (flags & IOMMU_IOAS_MAP_FIXED_IOVA)
+ cmd.iova = *iova;
+
+ ret = ioctl(fd, IOMMU_IOAS_MAP_FILE, &cmd);
+ *iova = cmd.iova;
+ return ret;
+}
+
+#define test_ioctl_ioas_map_file(mfd, start, length, iova_p) \
+ ASSERT_EQ(0, \
+ _test_ioctl_ioas_map_file( \
+ self->fd, self->ioas_id, mfd, start, length, iova_p, \
+ IOMMU_IOAS_MAP_WRITEABLE | IOMMU_IOAS_MAP_READABLE))
+
+#define test_err_ioctl_ioas_map_file(_errno, mfd, start, length, iova_p) \
+ EXPECT_ERRNO( \
+ _errno, \
+ _test_ioctl_ioas_map_file( \
+ self->fd, self->ioas_id, mfd, start, length, iova_p, \
+ IOMMU_IOAS_MAP_WRITEABLE | IOMMU_IOAS_MAP_READABLE))
+
+#define test_ioctl_ioas_map_id_file(ioas_id, mfd, start, length, iova_p) \
+ ASSERT_EQ(0, \
+ _test_ioctl_ioas_map_file( \
+ self->fd, ioas_id, mfd, start, length, iova_p, \
+ IOMMU_IOAS_MAP_WRITEABLE | IOMMU_IOAS_MAP_READABLE))
+
static int _test_ioctl_set_temp_memory_limit(int fd, unsigned int limit)
{
struct iommu_test_cmd memlimit_cmd = {
@@ -762,3 +881,58 @@ static int _test_cmd_trigger_iopf(int fd, __u32 device_id, __u32 fault_fd)
#define test_cmd_trigger_iopf(device_id, fault_fd) \
ASSERT_EQ(0, _test_cmd_trigger_iopf(self->fd, device_id, fault_fd))
+
+static int _test_cmd_viommu_alloc(int fd, __u32 device_id, __u32 hwpt_id,
+ __u32 type, __u32 flags, __u32 *viommu_id)
+{
+ struct iommu_viommu_alloc cmd = {
+ .size = sizeof(cmd),
+ .flags = flags,
+ .type = type,
+ .dev_id = device_id,
+ .hwpt_id = hwpt_id,
+ };
+ int ret;
+
+ ret = ioctl(fd, IOMMU_VIOMMU_ALLOC, &cmd);
+ if (ret)
+ return ret;
+ if (viommu_id)
+ *viommu_id = cmd.out_viommu_id;
+ return 0;
+}
+
+#define test_cmd_viommu_alloc(device_id, hwpt_id, type, viommu_id) \
+ ASSERT_EQ(0, _test_cmd_viommu_alloc(self->fd, device_id, hwpt_id, \
+ type, 0, viommu_id))
+#define test_err_viommu_alloc(_errno, device_id, hwpt_id, type, viommu_id) \
+ EXPECT_ERRNO(_errno, \
+ _test_cmd_viommu_alloc(self->fd, device_id, hwpt_id, \
+ type, 0, viommu_id))
+
+static int _test_cmd_vdevice_alloc(int fd, __u32 viommu_id, __u32 idev_id,
+ __u64 virt_id, __u32 *vdev_id)
+{
+ struct iommu_vdevice_alloc cmd = {
+ .size = sizeof(cmd),
+ .dev_id = idev_id,
+ .viommu_id = viommu_id,
+ .virt_id = virt_id,
+ };
+ int ret;
+
+ ret = ioctl(fd, IOMMU_VDEVICE_ALLOC, &cmd);
+ if (ret)
+ return ret;
+ if (vdev_id)
+ *vdev_id = cmd.out_vdevice_id;
+ return 0;
+}
+
+#define test_cmd_vdevice_alloc(viommu_id, idev_id, virt_id, vdev_id) \
+ ASSERT_EQ(0, _test_cmd_vdevice_alloc(self->fd, viommu_id, idev_id, \
+ virt_id, vdev_id))
+#define test_err_vdevice_alloc(_errno, viommu_id, idev_id, virt_id, vdev_id) \
+ EXPECT_ERRNO(_errno, \
+ _test_cmd_vdevice_alloc(self->fd, viommu_id, idev_id, \
+ virt_id, vdev_id))
generated by cgit v1.2.3-70-g09d2 (git 2.47.1) at 2024-12-23 16:15:01 +0000