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 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 INFO_MSG("perfmon signal:"); 51 INFO_MSG("id = %d", req.id); 52 INFO_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 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 INFO_MSG("perfmon domain:"); 88 INFO_MSG("id = %d", req.id); 89 INFO_MSG("name = %s", req.name); 90 INFO_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 } 102 103 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 } 112 113 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 } 123 124 drm_public 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 } 149 150 drm_public 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 } 158 159 drm_public 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 } 172 173 drm_public 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