1 /*
2 * Copyright 2017 Advanced Micro Devices, Inc.
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 shall be included in
12 * all copies or substantial portions of the Software.
13 *
14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
17 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
18 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
19 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
20 * OTHER DEALINGS IN THE SOFTWARE.
21 */
22
23 #ifndef __MXGPU_VI_H__
24 #define __MXGPU_VI_H__
25
26 #define VI_MAILBOX_TIMEDOUT 12000
27 #define VI_MAILBOX_RESET_TIME 12
28
29 /* VI mailbox messages request */
30 enum idh_request {
31 IDH_REQ_GPU_INIT_ACCESS = 1,
32 IDH_REL_GPU_INIT_ACCESS,
33 IDH_REQ_GPU_FINI_ACCESS,
34 IDH_REL_GPU_FINI_ACCESS,
35 IDH_REQ_GPU_RESET_ACCESS,
36
37 IDH_LOG_VF_ERROR = 200,
38 };
39
40 /* VI mailbox messages data */
41 enum idh_event {
42 IDH_CLR_MSG_BUF = 0,
43 IDH_READY_TO_ACCESS_GPU,
44 IDH_FLR_NOTIFICATION,
45 IDH_FLR_NOTIFICATION_CMPL,
46 IDH_EVENT_MAX
47 };
48
49 extern const struct amdgpu_virt_ops xgpu_vi_virt_ops;
50
51 void xgpu_vi_init_golden_registers(struct amdgpu_device *adev);
52 void xgpu_vi_mailbox_set_irq_funcs(struct amdgpu_device *adev);
53 int xgpu_vi_mailbox_add_irq_id(struct amdgpu_device *adev);
54 int xgpu_vi_mailbox_get_irq(struct amdgpu_device *adev);
55 void xgpu_vi_mailbox_put_irq(struct amdgpu_device *adev);
56
57 #endif