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/* SPDX-License-Identifier: GPL-2.0 */
/* Copyright(c) 2015-2019 Intel Corporation. All rights reserved. */
#ifndef _UTIL_FILTER_H_
#define _UTIL_FILTER_H_
#include <stdbool.h>
#include <ccan/list/list.h>
#include <ccan/short_types/short_types.h>
struct accfg_device;
struct accfg_group;
struct accfg_wq;
struct accfg_engine;
struct json_object;
/* json object hierarchy for device */
struct accfg_json_container {
/* array of json group */
struct json_object *jgroups;
/* each json group */
struct json_object *jgroup;
/* array to track group with assigned wq/engine */
struct json_object **jgroup_assigned;
/* array for assigned wqs in group */
struct json_object **jwq_group;
/* array for unassigend wqs in group */
struct json_object *jwq_ungroup;
/* array for assigned engines in group */
struct json_object **jengine_group;
/* array for unassigned engines in group */
struct json_object *jengine_ungroup;
/* store group_id when a jgroup is created */
int *jgroup_id;
/* device_id bonded with this container */
int device_id;
/* device name bonded with this container */
const char *device_name;
/* list node to represent each container on linked list */
struct list_node list;
};
/* json object device for the util_filter_walk() by cmd_list() and cmd_config() */
struct list_filter_arg {
/* json object for device array */
struct json_object *jdevices;
/* json object for each device */
struct json_object *jdevice;
/* linked list to add accfg_json_container for each device */
struct list_head jdev_list;
/* linked list node for each list_filter_arg */
struct list_node list;
/* flags to indicate command options */
uint64_t flags;
/* track device number during walk-through */
int dev_num;
/* track group_num during walk-through */
int group_num;
};
/*
* struct util_filter_ctx - control and callbacks for util_filter_walk()
* ->filter_device() and ->filter_group() return bool because the
* child-object filter routines can not be called if the parent context
* is not established. ->filter_wq() and ->filter_engine() are leaf
* objects, so no child dependencies to check.
*/
struct util_filter_ctx {
bool (*filter_device)(struct accfg_device *device, struct util_filter_ctx *ctx);
bool (*filter_group)(struct accfg_group *group, struct util_filter_ctx *ctx);
bool (*filter_wq)(struct accfg_wq *wq,
struct util_filter_ctx *ctx);
bool (*filter_engine)(struct accfg_engine *engine,
struct util_filter_ctx *ctx);
union {
void *arg;
struct list_filter_arg *list;
};
};
struct util_filter_params {
const char *device;
const char *group;
const char *wq;
const char *engine;
};
struct accfg_ctx;
int scan_device_type_id(const char *name, char *dev_type,
unsigned int *dev_id);
int scan_parent_child_names(const char *name, char *parent_name,
char *child_name);
int scan_parent_child_ids(const char *name, unsigned int *parent_id,
unsigned int *child_id);
int parse_device_name(struct accfg_ctx *ctx, const char *name,
struct accfg_device **device);
int parse_wq_name(struct accfg_ctx *ctx, const char *name,
struct accfg_device **device, struct accfg_wq **wq);
int parse_group_name(struct accfg_ctx *ctx, const char *name,
struct accfg_device **device, struct accfg_group **group);
int parse_engine_name(struct accfg_ctx *ctx, const char *name,
struct accfg_device **device, struct accfg_engine **engine);
int util_filter_walk(struct accfg_ctx *ctx, struct util_filter_ctx *fctx,
struct util_filter_params *param);
int match_device(struct accfg_device *device, struct accfg_json_container *jc);
#endif
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