+iris_bo_gem_mmap_legacy(struct pipe_debug_callback *dbg,
+ struct iris_bo *bo, bool wc)
+{
+ struct iris_bufmgr *bufmgr = bo->bufmgr;
+
+ struct drm_i915_gem_mmap mmap_arg = {
+ .handle = bo->gem_handle,
+ .size = bo->size,
+ .flags = wc ? I915_MMAP_WC : 0,
+ };
+
+ int ret = gen_ioctl(bufmgr->fd, DRM_IOCTL_I915_GEM_MMAP, &mmap_arg);
+ if (ret != 0) {
+ DBG("%s:%d: Error mapping buffer %d (%s): %s .\n",
+ __FILE__, __LINE__, bo->gem_handle, bo->name, strerror(errno));
+ return NULL;
+ }
+ void *map = (void *) (uintptr_t) mmap_arg.addr_ptr;
+
+ return map;
+}
+
+static void *
+iris_bo_gem_mmap_offset(struct pipe_debug_callback *dbg, struct iris_bo *bo,
+ bool wc)
+{
+ struct iris_bufmgr *bufmgr = bo->bufmgr;
+
+ struct drm_i915_gem_mmap_offset mmap_arg = {
+ .handle = bo->gem_handle,
+ .flags = wc ? I915_MMAP_OFFSET_WC : I915_MMAP_OFFSET_WB,
+ };
+
+ /* Get the fake offset back */
+ int ret = gen_ioctl(bufmgr->fd, DRM_IOCTL_I915_GEM_MMAP_OFFSET, &mmap_arg);
+ if (ret != 0) {
+ DBG("%s:%d: Error preparing buffer %d (%s): %s .\n",
+ __FILE__, __LINE__, bo->gem_handle, bo->name, strerror(errno));
+ return NULL;
+ }
+
+ /* And map it */
+ void *map = mmap(0, bo->size, PROT_READ | PROT_WRITE, MAP_SHARED,
+ bufmgr->fd, mmap_arg.offset);
+ if (map == MAP_FAILED) {
+ DBG("%s:%d: Error mapping buffer %d (%s): %s .\n",
+ __FILE__, __LINE__, bo->gem_handle, bo->name, strerror(errno));
+ return NULL;
+ }
+
+ return map;
+}
+
+static void *
+iris_bo_gem_mmap(struct pipe_debug_callback *dbg, struct iris_bo *bo, bool wc)