vpu_debug_log.c
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/*
* Copyright 2018 NXP
*/
/*
* The code contained herein is licensed under the GNU General Public
* License. You may obtain a copy of the GNU General Public License
* Version 2 or later at the following locations:
*
* http://www.opensource.org/licenses/gpl-license.html
* http://www.gnu.org/copyleft/gpl.html
*/
/*!
* @file vpu-debug_log.c
*
* copyright here may be changed later
*
*
*/
#include "vpu_debug_log.h"
int init_log_info_queue(struct vpu_ctx *ctx)
{
if (!ctx)
return -EINVAL;
mutex_lock(&ctx->instance_mutex);
INIT_LIST_HEAD(&ctx->log_q);
mutex_unlock(&ctx->instance_mutex);
return 0;
}
int create_log_info_queue(struct vpu_ctx *ctx, u_int32 vpu_log_depth)
{
struct vpu_log_info *vpu_info = NULL;
u_int32 i;
if (!ctx)
return -EINVAL;
for (i = 0; i < vpu_log_depth; i++) {
vpu_info = kzalloc(sizeof(*vpu_info), GFP_KERNEL);
if (!vpu_info)
continue;
atomic64_add(sizeof(*vpu_info), &ctx->statistic.total_alloc_size);
list_add_tail(&vpu_info->list, &ctx->log_q);
}
return 0;
}
int destroy_log_info_queue(struct vpu_ctx *ctx)
{
struct vpu_log_info *vpu_info, *temp_info;
u_int32 ret = 0;
if (!ctx)
return -EINVAL;
mutex_lock(&ctx->instance_mutex);
if (list_empty(&ctx->log_q)) {
ret = -EINVAL;
goto exit;
}
list_for_each_entry_safe(vpu_info, temp_info, &ctx->log_q, list)
if (vpu_info) {
list_del_init(&vpu_info->list);
kfree(vpu_info);
atomic64_sub(sizeof(*vpu_info), &ctx->statistic.total_alloc_size);
}
exit:
mutex_unlock(&ctx->instance_mutex);
return ret;
}
int put_log_info(struct vpu_ctx *ctx, struct vpu_log_info *vpu_info)
{
if (!ctx || !vpu_info)
return -EINVAL;
mutex_lock(&ctx->instance_mutex);
list_add_tail(&vpu_info->list, &ctx->log_q);
mutex_unlock(&ctx->instance_mutex);
return 0;
}
struct vpu_log_info *pop_log_info(struct vpu_ctx *ctx)
{
struct vpu_log_info *vpu_info = NULL;
if (!ctx)
return NULL;
mutex_lock(&ctx->instance_mutex);
if (list_empty(&ctx->log_q))
vpu_info = NULL;
vpu_info = list_first_entry(&ctx->log_q, struct vpu_log_info, list);
if (vpu_info)
list_del_init(&vpu_info->list);
mutex_unlock(&ctx->instance_mutex);
return vpu_info;
}
int set_log_info(struct vpu_log_info *vpu_info, enum ACTION_TYPE type, u_int32 info, u_int32 info_data)
{
if (!vpu_info)
return -EINVAL;
if (type >= LOG_RESERVED)
return -EINVAL;
vpu_info->type = type;
vpu_info->log_info[type] = info;
vpu_info->data = info_data;
return 0;
}
int record_log_info(struct vpu_ctx *ctx, enum ACTION_TYPE type, u_int32 info, u_int32 info_data)
{
struct vpu_log_info *vpu_info = NULL;
if (!ctx)
return -EINVAL;
vpu_info = pop_log_info(ctx);
if (!vpu_info)
return -EINVAL;
set_log_info(vpu_info, type, info, info_data);
put_log_info(ctx, vpu_info);
return 0;
}