xref: /linux/drivers/gpu/drm/nouveau/nvkm/subdev/fault/gp10b.c (revision 0526b56cbc3c489642bd6a5fe4b718dea7ef0ee8)
1 /*
2  * Copyright (c) 2019 NVIDIA 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 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 #include "priv.h"
24 
25 #include <core/memory.h>
26 
27 #include <nvif/class.h>
28 
29 u64
30 gp10b_fault_buffer_pin(struct nvkm_fault_buffer *buffer)
31 {
32 	return nvkm_memory_addr(buffer->mem);
33 }
34 
35 static const struct nvkm_fault_func
36 gp10b_fault = {
37 	.intr = gp100_fault_intr,
38 	.buffer.nr = 1,
39 	.buffer.entry_size = 32,
40 	.buffer.info = gp100_fault_buffer_info,
41 	.buffer.pin = gp10b_fault_buffer_pin,
42 	.buffer.init = gp100_fault_buffer_init,
43 	.buffer.fini = gp100_fault_buffer_fini,
44 	.buffer.intr = gp100_fault_buffer_intr,
45 	.user = { { 0, 0, MAXWELL_FAULT_BUFFER_A }, 0 },
46 };
47 
48 int
49 gp10b_fault_new(struct nvkm_device *device, enum nvkm_subdev_type type, int inst,
50 		struct nvkm_fault **pfault)
51 {
52 	return nvkm_fault_new_(&gp10b_fault, device, type, inst, pfault);
53 }
54