1 /*
2 * Copyright © 2023 Intel Corporation
3 *
4 * Permission is hereby granted, free of charge, to any person obtaining a
5 * copy of this software and associated documentation files (the "Software"),
6 * to deal in the Software without restriction, including without limitation
7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8 * and/or sell copies of the Software, and to permit persons to whom the
9 * Software is furnished to do so, subject to the following conditions:
10 *
11 * The above copyright notice and this permission notice (including the next
12 * paragraph) shall be included in all copies or substantial portions of the
13 * Software.
14 *
15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
18 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
19 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
20 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
21 * IN THE SOFTWARE.
22 */
23 #include "xe/iris_bufmgr.h"
24
25 #include "common/intel_gem.h"
26 #include "iris/iris_bufmgr.h"
27
28 #include "drm-uapi/xe_drm.h"
29
30 bool
iris_xe_init_global_vm(struct iris_bufmgr * bufmgr,uint32_t * vm_id)31 iris_xe_init_global_vm(struct iris_bufmgr *bufmgr, uint32_t *vm_id)
32 {
33 struct drm_xe_vm_create create = {
34 .flags = DRM_XE_VM_CREATE_FLAG_SCRATCH_PAGE,
35 };
36 if (intel_ioctl(iris_bufmgr_get_fd(bufmgr), DRM_IOCTL_XE_VM_CREATE, &create))
37 return false;
38
39 *vm_id = create.vm_id;
40 return true;
41 }
42
43 bool
iris_xe_destroy_global_vm(struct iris_bufmgr * bufmgr)44 iris_xe_destroy_global_vm(struct iris_bufmgr *bufmgr)
45 {
46 struct drm_xe_vm_destroy destroy = {
47 .vm_id = iris_bufmgr_get_global_vm_id(bufmgr),
48 };
49 return intel_ioctl(iris_bufmgr_get_fd(bufmgr), DRM_IOCTL_XE_VM_DESTROY,
50 &destroy) == 0;
51 }
52