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/*
* Copyright © 2022 Intel Corporation
*
* 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.
*
*/
#ifndef IGT_DRM_FDINFO_H
#define IGT_DRM_FDINFO_H
#include <sys/types.h>
#include <dirent.h>
#include <stdint.h>
#include <stdbool.h>
#define DRM_CLIENT_FDINFO_MAX_ENGINES 16
struct drm_client_fdinfo {
char driver[128];
char pdev[128];
unsigned long id;
unsigned int num_engines;
unsigned int capacity[DRM_CLIENT_FDINFO_MAX_ENGINES];
uint64_t busy[DRM_CLIENT_FDINFO_MAX_ENGINES];
};
/**
* igt_parse_drm_fdinfo: Parses the drm fdinfo file
*
* @drm_fd: DRM file descriptor
* @info: Structure to populate with read data
*
* Returns the number of valid drm fdinfo keys found or zero if not all
* mandatory keys were present or no engines found.
*/
unsigned int igt_parse_drm_fdinfo(int drm_fd, struct drm_client_fdinfo *info);
/**
* __igt_parse_drm_fdinfo: Parses the drm fdinfo file
*
* @dir: File descriptor pointing to /proc/pid/fdinfo directory
* @fd: String representation of the file descriptor number to parse.
* @info: Structure to populate with read data
*
* Returns the number of valid drm fdinfo keys found or zero if not all
* mandatory keys were present or no engines found.
*/
unsigned int __igt_parse_drm_fdinfo(int dir, const char *fd,
struct drm_client_fdinfo *info);
#endif /* IGT_DRM_FDINFO_H */
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