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/*
* Copyright (C) 2013 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include <errno.h>
#include <stdlib.h>
#include <string.h>
#include <log/log.h>
#include <hardware/memtrack.h>
#include "memtrack_msm.h"
int msm_memtrack_init(const struct memtrack_module *module)
{
if(!module)
return -1;
return 0;
}
int msm_memtrack_get_memory(const struct memtrack_module *module,
pid_t pid,
int type,
struct memtrack_record *records,
size_t *num_records)
{
if(!module)
return -1;
if (type == MEMTRACK_TYPE_GL || type == MEMTRACK_TYPE_GRAPHICS) {
return kgsl_memtrack_get_memory(pid, type, records, num_records);
}
return -EINVAL;
}
static int memtrack_open(__attribute__((unused)) const hw_module_t* module, const char* name,
hw_device_t** device)
{
ALOGD("%s: enter; name=%s", __FUNCTION__, name);
int retval = 0; /* 0 is ok; -1 is error */
if (strcmp(name, "memtrack") == 0) {
struct memtrack_module *dev = (struct memtrack_module *)calloc(1,
sizeof(struct memtrack_module));
if (dev) {
/* Common hw_device_t fields */
dev->common.tag = HARDWARE_DEVICE_TAG;
dev->common.module_api_version = MEMTRACK_MODULE_API_VERSION_0_1;
dev->common.hal_api_version = HARDWARE_HAL_API_VERSION;
dev->init = msm_memtrack_init;
dev->getMemory = msm_memtrack_get_memory;
*device = (hw_device_t*)dev;
} else
retval = -ENOMEM;
} else {
retval = -EINVAL;
}
ALOGD("%s: exit %d", __FUNCTION__, retval);
return retval;
}
static struct hw_module_methods_t memtrack_module_methods = {
.open = memtrack_open,
};
struct memtrack_module HAL_MODULE_INFO_SYM = {
.common = {
.tag = HARDWARE_MODULE_TAG,
.module_api_version = MEMTRACK_MODULE_API_VERSION_0_1,
.hal_api_version = HARDWARE_HAL_API_VERSION,
.id = MEMTRACK_HARDWARE_MODULE_ID,
.name = "MSM Memory Tracker HAL",
.author = "The Android Open Source Project",
.methods = &memtrack_module_methods,
},
.init = msm_memtrack_init,
.getMemory = msm_memtrack_get_memory,
};