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/*
* Copyright (C) 2017 Etnaviv Project
* Copyright (C) 2017 Zodiac Inflight Innovations
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice (including the next
* paragraph) shall be included in all copies or substantial portions of the
* Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*
* Authors:
* Christian Gmeiner <christian.gmeiner@gmail.com>
*/
#include "etnaviv_priv.h"
static int etna_perfmon_query_signals(struct etna_perfmon *pm, struct etna_perfmon_domain *dom)
{
struct etna_device *dev = pm->pipe->gpu->dev;
struct drm_etnaviv_pm_signal req = {
.pipe = pm->pipe->id,
.domain = dom->id
};
do {
struct etna_perfmon_signal *sig;
int ret;
ret = drmCommandWriteRead(dev->fd, DRM_ETNAVIV_PM_QUERY_SIG, &req, sizeof(req));
if (ret)
break;
sig = calloc(1, sizeof(*sig));
if (!sig)
return -ENOMEM;
DEBUG_MSG("perfmon signal:");
DEBUG_MSG("id = %d", req.id);
DEBUG_MSG("name = %s", req.name);
sig->domain = dom;
sig->signal = req.id;
strncpy(sig->name, req.name, sizeof(sig->name));
list_addtail(&sig->head, &dom->signals);
} while (req.iter != 0xffff);
return 0;
}
static int etna_perfmon_query_domains(struct etna_perfmon *pm)
{
struct etna_device *dev = pm->pipe->gpu->dev;
struct drm_etnaviv_pm_domain req = {
.pipe = pm->pipe->id
};
do {
struct etna_perfmon_domain *dom;
int ret;
ret = drmCommandWriteRead(dev->fd, DRM_ETNAVIV_PM_QUERY_DOM, &req, sizeof(req));
if (ret)
break;
dom = calloc(1, sizeof(*dom));
if (!dom)
return -ENOMEM;
list_inithead(&dom->signals);
dom->id = req.id;
strncpy(dom->name, req.name, sizeof(dom->name));
list_addtail(&dom->head, &pm->domains);
DEBUG_MSG("perfmon domain:");
DEBUG_MSG("id = %d", req.id);
DEBUG_MSG("name = %s", req.name);
DEBUG_MSG("nr_signals = %d", req.nr_signals);
/* Query all available signals for this domain. */
if (req.nr_signals > 0) {
ret = etna_perfmon_query_signals(pm, dom);
if (ret)
return ret;
}
} while (req.iter != 0xff);
return 0;
}
static void etna_perfmon_free_signals(struct etna_perfmon_domain *dom)
{
struct etna_perfmon_signal *sig, *next;
LIST_FOR_EACH_ENTRY_SAFE(sig, next, &dom->signals, head) {
list_del(&sig->head);
free(sig);
}
}
static void etna_perfmon_free_domains(struct etna_perfmon *pm)
{
struct etna_perfmon_domain *dom, *next;
LIST_FOR_EACH_ENTRY_SAFE(dom, next, &pm->domains, head) {
etna_perfmon_free_signals(dom);
list_del(&dom->head);
free(dom);
}
}
struct etna_perfmon *etna_perfmon_create(struct etna_pipe *pipe)
{
struct etna_perfmon *pm;
int ret;
pm = calloc(1, sizeof(*pm));
if (!pm) {
ERROR_MSG("allocation failed");
return NULL;
}
list_inithead(&pm->domains);
pm->pipe = pipe;
/* query all available domains and sources for this device */
ret = etna_perfmon_query_domains(pm);
if (ret)
goto fail;
return pm;
fail:
etna_perfmon_del(pm);
return NULL;
}
void etna_perfmon_del(struct etna_perfmon *pm)
{
if (!pm)
return;
etna_perfmon_free_domains(pm);
free(pm);
}
struct etna_perfmon_domain *etna_perfmon_get_dom_by_name(struct etna_perfmon *pm, const char *name)
{
struct etna_perfmon_domain *dom;
if (pm) {
LIST_FOR_EACH_ENTRY(dom, &pm->domains, head) {
if (!strcmp(dom->name, name))
return dom;
}
}
return NULL;
}
struct etna_perfmon_signal *etna_perfmon_get_sig_by_name(struct etna_perfmon_domain *dom, const char *name)
{
struct etna_perfmon_signal *signal;
if (dom) {
LIST_FOR_EACH_ENTRY(signal, &dom->signals, head) {
if (!strcmp(signal->name, name))
return signal;
}
}
return NULL;
}
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