From caea9c5b3aa1191c0152d7c0f22a94efca4fd048 Mon Sep 17 00:00:00 2001 From: Chris Wilson Date: Wed, 30 May 2018 22:44:56 +0100 Subject: igt/gem_userptr: Check read-only mappings Setup a userptr object that only has a read-only mapping back to a file store (memfd). Then attempt to write into that mapping using the GPU and assert that those writes do not land (while also writing via a writable userptr mapping into the same memfd to verify that the GPU is working!) v2: Pull the random batch construction into a routine to avoid duplication. Signed-off-by: Chris Wilson Cc: Tvrtko Ursulin Cc: Joonas Lahtinen Reviewed-by: Tvrtko Ursulin --- lib/ioctl_wrappers.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) (limited to 'lib/ioctl_wrappers.c') diff --git a/lib/ioctl_wrappers.c b/lib/ioctl_wrappers.c index 79db44a8..d5d2a4e4 100644 --- a/lib/ioctl_wrappers.c +++ b/lib/ioctl_wrappers.c @@ -869,7 +869,7 @@ int gem_madvise(int fd, uint32_t handle, int state) return madv.retained; } -int __gem_userptr(int fd, void *ptr, int size, int read_only, uint32_t flags, uint32_t *handle) +int __gem_userptr(int fd, void *ptr, uint64_t size, int read_only, uint32_t flags, uint32_t *handle) { struct drm_i915_gem_userptr userptr; @@ -898,7 +898,7 @@ int __gem_userptr(int fd, void *ptr, int size, int read_only, uint32_t flags, ui * * Returns userptr handle for the GEM object. */ -void gem_userptr(int fd, void *ptr, int size, int read_only, uint32_t flags, uint32_t *handle) +void gem_userptr(int fd, void *ptr, uint64_t size, int read_only, uint32_t flags, uint32_t *handle) { igt_assert_eq(__gem_userptr(fd, ptr, size, read_only, flags, handle), 0); } -- cgit v1.2.3