1 files changed, 56 insertions, 0 deletions
diff --git a/lib/igt_amd.c b/lib/igt_amd.c
new file mode 100644
index 00000000..abd3ad96
--- /dev/null
+++ b/lib/igt_amd.c
@@ -0,0 +1,56 @@
+/*
+ * Copyright 2019 Advanced Micro Devices, Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+#include "igt_amd.h"
+#include "igt.h"
+#include <amdgpu_drm.h>
+
+uint32_t igt_amd_create_bo(int fd, uint64_t size)
+{
+	union drm_amdgpu_gem_create create;
+
+	memset(&create, 0, sizeof(create));
+	create.in.bo_size = size;
+	create.in.alignment = 256;
+	create.in.domains = AMDGPU_GEM_DOMAIN_VRAM;
+	create.in.domain_flags = AMDGPU_GEM_CREATE_CPU_ACCESS_REQUIRED
+				 | AMDGPU_GEM_CREATE_VRAM_CLEARED;
+
+	do_ioctl(fd, DRM_IOCTL_AMDGPU_GEM_CREATE, &create);
+	igt_assert(create.out.handle);
+
+	return create.out.handle;
+}
+
+void *igt_amd_mmap_bo(int fd, uint32_t handle, uint64_t size, int prot)
+{
+	union drm_amdgpu_gem_mmap map;
+	void *ptr;
+
+	memset(&map, 0, sizeof(map));
+	map.in.handle = handle;
+
+	do_ioctl(fd, DRM_IOCTL_AMDGPU_GEM_MMAP, &map);
+
+	ptr = mmap(0, size, prot, MAP_SHARED, fd, map.out.addr_ptr);
+	return ptr == MAP_FAILED ? NULL : ptr;
+}