1 /*
2  * Copyright 2016 Red Hat 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  * Authors: Ben Skeggs
23  */
24 #include "gk104.h"
25 #include "changk104.h"
26 
27 #include <subdev/fault.h>
28 
29 #include <nvif/class.h>
30 
31 const struct nvkm_enum
32 gp100_fifo_fault_engine[] = {
33 	{ 0x01, "DISPLAY" },
34 	{ 0x03, "IFB", NULL, NVKM_ENGINE_IFB },
35 	{ 0x04, "BAR1", NULL, NVKM_SUBDEV_BAR },
36 	{ 0x05, "BAR2", NULL, NVKM_SUBDEV_INSTMEM },
37 	{ 0x06, "HOST0", NULL, NVKM_ENGINE_FIFO },
38 	{ 0x07, "HOST1", NULL, NVKM_ENGINE_FIFO },
39 	{ 0x08, "HOST2", NULL, NVKM_ENGINE_FIFO },
40 	{ 0x09, "HOST3", NULL, NVKM_ENGINE_FIFO },
41 	{ 0x0a, "HOST4", NULL, NVKM_ENGINE_FIFO },
42 	{ 0x0b, "HOST5", NULL, NVKM_ENGINE_FIFO },
43 	{ 0x0c, "HOST6", NULL, NVKM_ENGINE_FIFO },
44 	{ 0x0d, "HOST7", NULL, NVKM_ENGINE_FIFO },
45 	{ 0x0e, "HOST8", NULL, NVKM_ENGINE_FIFO },
46 	{ 0x0f, "HOST9", NULL, NVKM_ENGINE_FIFO },
47 	{ 0x10, "HOST10", NULL, NVKM_ENGINE_FIFO },
48 	{ 0x13, "PERF" },
49 	{ 0x17, "PMU" },
50 	{ 0x18, "PTP" },
51 	{ 0x1f, "PHYSICAL" },
52 	{}
53 };
54 
55 void
56 gp100_fifo_intr_fault(struct nvkm_fifo *fifo, int unit)
57 {
58 	struct nvkm_device *device = fifo->engine.subdev.device;
59 	u32 inst = nvkm_rd32(device, 0x002800 + (unit * 0x10));
60 	u32 valo = nvkm_rd32(device, 0x002804 + (unit * 0x10));
61 	u32 vahi = nvkm_rd32(device, 0x002808 + (unit * 0x10));
62 	u32 type = nvkm_rd32(device, 0x00280c + (unit * 0x10));
63 	struct nvkm_fault_data info;
64 
65 	info.inst   =  (u64)inst << 12;
66 	info.addr   = ((u64)vahi << 32) | valo;
67 	info.time   = 0;
68 	info.engine = unit;
69 	info.valid  = 1;
70 	info.gpc    = (type & 0x1f000000) >> 24;
71 	info.hub    = (type & 0x00100000) >> 20;
72 	info.access = (type & 0x00070000) >> 16;
73 	info.client = (type & 0x00007f00) >> 8;
74 	info.reason = (type & 0x0000001f);
75 
76 	nvkm_fifo_fault(fifo, &info);
77 }
78 
79 static const struct gk104_fifo_func
80 gp100_fifo = {
81 	.intr.fault = gp100_fifo_intr_fault,
82 	.pbdma = &gm200_fifo_pbdma,
83 	.fault.access = gk104_fifo_fault_access,
84 	.fault.engine = gp100_fifo_fault_engine,
85 	.fault.reason = gk104_fifo_fault_reason,
86 	.fault.hubclient = gk104_fifo_fault_hubclient,
87 	.fault.gpcclient = gk104_fifo_fault_gpcclient,
88 	.runlist = &gm107_fifo_runlist,
89 	.chan = {{0,0,PASCAL_CHANNEL_GPFIFO_A}, gk104_fifo_gpfifo_new },
90 	.cgrp_force = true,
91 };
92 
93 int
94 gp100_fifo_new(struct nvkm_device *device, enum nvkm_subdev_type type, int inst,
95 	       struct nvkm_fifo **pfifo)
96 {
97 	return gk104_fifo_new_(&gp100_fifo, device, type, inst, 4096, pfifo);
98 }
99