1 /*
2 * Copyright (C) 2017 Etnaviv Project
3 * Copyright (C) 2017 Zodiac Inflight Innovations
4 *
5 * Permission is hereby granted, free of charge, to any person obtaining a
6 * copy of this software and associated documentation files (the "Software"),
7 * to deal in the Software without restriction, including without limitation
8 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
9 * and/or sell copies of the Software, and to permit persons to whom the
10 * Software is furnished to do so, subject to the following conditions:
11 *
12 * The above copyright notice and this permission notice (including the next
13 * paragraph) shall be included in all copies or substantial portions of the
14 * Software.
15 *
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
19 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
21 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
22 * SOFTWARE.
23 *
24 * Authors:
25 * Christian Gmeiner <christian.gmeiner@gmail.com>
26 */
27
28 #include "etnaviv_priv.h"
29
etna_perfmon_query_signals(struct etna_perfmon * pm,struct etna_perfmon_domain * dom)30 static int etna_perfmon_query_signals(struct etna_perfmon *pm, struct etna_perfmon_domain *dom)
31 {
32 struct etna_device *dev = pm->pipe->gpu->dev;
33 struct drm_etnaviv_pm_signal req = {
34 .pipe = pm->pipe->id,
35 .domain = dom->id
36 };
37
38 do {
39 struct etna_perfmon_signal *sig;
40 int ret;
41
42 ret = drmCommandWriteRead(dev->fd, DRM_ETNAVIV_PM_QUERY_SIG, &req, sizeof(req));
43 if (ret)
44 break;
45
46 sig = calloc(1, sizeof(*sig));
47 if (!sig)
48 return -ENOMEM;
49
50 DEBUG_MSG("perfmon signal:");
51 DEBUG_MSG("id = %d", req.id);
52 DEBUG_MSG("name = %s", req.name);
53
54 sig->domain = dom;
55 sig->signal = req.id;
56 strncpy(sig->name, req.name, sizeof(sig->name));
57 list_addtail(&sig->head, &dom->signals);
58 } while (req.iter != 0xffff);
59
60 return 0;
61 }
62
etna_perfmon_query_domains(struct etna_perfmon * pm)63 static int etna_perfmon_query_domains(struct etna_perfmon *pm)
64 {
65 struct etna_device *dev = pm->pipe->gpu->dev;
66 struct drm_etnaviv_pm_domain req = {
67 .pipe = pm->pipe->id
68 };
69
70 do {
71 struct etna_perfmon_domain *dom;
72 int ret;
73
74 ret = drmCommandWriteRead(dev->fd, DRM_ETNAVIV_PM_QUERY_DOM, &req, sizeof(req));
75 if (ret)
76 break;
77
78 dom = calloc(1, sizeof(*dom));
79 if (!dom)
80 return -ENOMEM;
81
82 list_inithead(&dom->signals);
83 dom->id = req.id;
84 strncpy(dom->name, req.name, sizeof(dom->name));
85 list_addtail(&dom->head, &pm->domains);
86
87 DEBUG_MSG("perfmon domain:");
88 DEBUG_MSG("id = %d", req.id);
89 DEBUG_MSG("name = %s", req.name);
90 DEBUG_MSG("nr_signals = %d", req.nr_signals);
91
92 /* Query all available signals for this domain. */
93 if (req.nr_signals > 0) {
94 ret = etna_perfmon_query_signals(pm, dom);
95 if (ret)
96 return ret;
97 }
98 } while (req.iter != 0xff);
99
100 return 0;
101 }
102
etna_perfmon_free_signals(struct etna_perfmon_domain * dom)103 static void etna_perfmon_free_signals(struct etna_perfmon_domain *dom)
104 {
105 struct etna_perfmon_signal *sig, *next;
106
107 LIST_FOR_EACH_ENTRY_SAFE(sig, next, &dom->signals, head) {
108 list_del(&sig->head);
109 free(sig);
110 }
111 }
112
etna_perfmon_free_domains(struct etna_perfmon * pm)113 static void etna_perfmon_free_domains(struct etna_perfmon *pm)
114 {
115 struct etna_perfmon_domain *dom, *next;
116
117 LIST_FOR_EACH_ENTRY_SAFE(dom, next, &pm->domains, head) {
118 etna_perfmon_free_signals(dom);
119 list_del(&dom->head);
120 free(dom);
121 }
122 }
123
etna_perfmon_create(struct etna_pipe * pipe)124 struct etna_perfmon *etna_perfmon_create(struct etna_pipe *pipe)
125 {
126 struct etna_perfmon *pm;
127 int ret;
128
129 pm = calloc(1, sizeof(*pm));
130 if (!pm) {
131 ERROR_MSG("allocation failed");
132 return NULL;
133 }
134
135 list_inithead(&pm->domains);
136 pm->pipe = pipe;
137
138 /* query all available domains and sources for this device */
139 ret = etna_perfmon_query_domains(pm);
140 if (ret)
141 goto fail;
142
143 return pm;
144
145 fail:
146 etna_perfmon_del(pm);
147 return NULL;
148 }
149
etna_perfmon_del(struct etna_perfmon * pm)150 void etna_perfmon_del(struct etna_perfmon *pm)
151 {
152 if (!pm)
153 return;
154
155 etna_perfmon_free_domains(pm);
156 free(pm);
157 }
158
etna_perfmon_get_dom_by_name(struct etna_perfmon * pm,const char * name)159 struct etna_perfmon_domain *etna_perfmon_get_dom_by_name(struct etna_perfmon *pm, const char *name)
160 {
161 struct etna_perfmon_domain *dom;
162
163 if (pm) {
164 LIST_FOR_EACH_ENTRY(dom, &pm->domains, head) {
165 if (!strcmp(dom->name, name))
166 return dom;
167 }
168 }
169
170 return NULL;
171 }
172
etna_perfmon_get_sig_by_name(struct etna_perfmon_domain * dom,const char * name)173 struct etna_perfmon_signal *etna_perfmon_get_sig_by_name(struct etna_perfmon_domain *dom, const char *name)
174 {
175 struct etna_perfmon_signal *signal;
176
177 if (dom) {
178 LIST_FOR_EACH_ENTRY(signal, &dom->signals, head) {
179 if (!strcmp(signal->name, name))
180 return signal;
181 }
182 }
183
184 return NULL;
185 }
186