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From 7fe2b2948652443ff43d907855bd7a051d54d309 Mon Sep 17 00:00:00 2001
From: Chris Wilson <chris@chris-wilson.co.uk>
Date: Thu, 19 Mar 2015 23:14:17 +0000
Subject: sna: Protect against ABI breakage in recent versions of libdrm
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
diff --git a/src/sna/kgem.c b/src/sna/kgem.c
index 11f0828..6f16cba 100644
--- a/src/sna/kgem.c
+++ b/src/sna/kgem.c
@@ -182,6 +182,15 @@ struct local_i915_gem_caching {
#define LOCAL_IOCTL_I915_GEM_SET_CACHING DRM_IOW(DRM_COMMAND_BASE + LOCAL_I915_GEM_SET_CACHING, struct local_i915_gem_caching)
#define LOCAL_IOCTL_I915_GEM_GET_CACHING DRM_IOW(DRM_COMMAND_BASE + LOCAL_I915_GEM_GET_CACHING, struct local_i915_gem_caching)
+struct local_i915_gem_mmap {
+ uint32_t handle;
+ uint32_t pad;
+ uint64_t offset;
+ uint64_t size;
+ uint64_t addr_ptr;
+};
+#define LOCAL_IOCTL_I915_GEM_MMAP DRM_IOWR(DRM_COMMAND_BASE + DRM_I915_GEM_MMAP, struct local_i915_gem_mmap)
+
struct local_i915_gem_mmap2 {
uint32_t handle;
uint32_t pad;
@@ -514,15 +523,15 @@ retry_wc:
static void *__kgem_bo_map__cpu(struct kgem *kgem, struct kgem_bo *bo)
{
- struct drm_i915_gem_mmap mmap_arg;
+ struct local_i915_gem_mmap arg;
int err;
retry:
- VG_CLEAR(mmap_arg);
- mmap_arg.handle = bo->handle;
- mmap_arg.offset = 0;
- mmap_arg.size = bytes(bo);
- if ((err = do_ioctl(kgem->fd, DRM_IOCTL_I915_GEM_MMAP, &mmap_arg))) {
+ VG_CLEAR(arg);
+ arg.handle = bo->handle;
+ arg.offset = 0;
+ arg.size = bytes(bo);
+ if ((err = do_ioctl(kgem->fd, LOCAL_IOCTL_I915_GEM_MMAP, &arg))) {
assert(err != EINVAL);
if (__kgem_throttle_retire(kgem, 0))
@@ -536,10 +545,10 @@ retry:
return NULL;
}
- VG(VALGRIND_MAKE_MEM_DEFINED(mmap_arg.addr_ptr, bytes(bo)));
+ VG(VALGRIND_MAKE_MEM_DEFINED(arg.addr_ptr, bytes(bo)));
DBG(("%s: caching CPU vma for %d\n", __FUNCTION__, bo->handle));
- return bo->map__cpu = (void *)(uintptr_t)mmap_arg.addr_ptr;
+ return bo->map__cpu = (void *)(uintptr_t)arg.addr_ptr;
}
static int gem_write(int fd, uint32_t handle,
--
cgit v0.10.2
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