1 files changed, 53 insertions, 0 deletions
diff --git a/lib/libdrm/amdgpu/amdgpu_vm.c b/lib/libdrm/amdgpu/amdgpu_vm.c
new file mode 100644
index 000000000..5ba7c082d
--- /dev/null
+++ b/lib/libdrm/amdgpu/amdgpu_vm.c
@@ -0,0 +1,53 @@
+/*
+ * Copyright 2017 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.
+ *
+ */
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include "amdgpu.h"
+#include "amdgpu_drm.h"
+#include "xf86drm.h"
+#include "amdgpu_internal.h"
+
+int amdgpu_vm_reserve_vmid(amdgpu_device_handle dev, uint32_t flags)
+{
+	union drm_amdgpu_vm vm;
+
+	vm.in.op = AMDGPU_VM_OP_RESERVE_VMID;
+	vm.in.flags = flags;
+
+	return drmCommandWriteRead(dev->fd, DRM_AMDGPU_VM,
+				   &vm, sizeof(vm));
+}
+
+int amdgpu_vm_unreserve_vmid(amdgpu_device_handle dev, uint32_t flags)
+{
+	union drm_amdgpu_vm vm;
+
+	vm.in.op = AMDGPU_VM_OP_UNRESERVE_VMID;
+	vm.in.flags = flags;
+
+	return drmCommandWriteRead(dev->fd, DRM_AMDGPU_VM,
+				   &vm, sizeof(vm));
+}