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/*
* Copyright (c) 2012-2013, NVIDIA CORPORATION. All rights reserved.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms and conditions of the GNU General Public License,
* version 2, as published by the Free Software Foundation.
*
* This program is distributed in the hope it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
* more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef _EDP_INTERNAL_H
#define _EDP_INTERNAL_H
#include <linux/kernel.h>
#include <linux/edp.h>
struct loan_client {
struct list_head link;
struct edp_client *client;
unsigned int size;
};
static inline unsigned int cur_level(struct edp_client *c)
{
return c->cur ? *c->cur : 0;
}
static inline unsigned int req_level(struct edp_client *c)
{
return c->req ? *c->req : 0;
}
static inline unsigned int e0_level(struct edp_client *c)
{
return c->states[c->e0_index];
}
static inline unsigned int cur_index(struct edp_client *c)
{
return c->cur ? c->cur - c->states : c->num_states;
}
static inline unsigned int req_index(struct edp_client *c)
{
return c->req ? c->req - c->states : c->num_states;
}
extern struct mutex edp_lock;
extern struct list_head edp_governors;
int register_client(struct edp_manager *m, struct edp_client *c);
int unregister_client(struct edp_client *c);
int edp_update_client_request_unlocked(struct edp_client *client,
unsigned int req, int *approved);
int edp_update_loan_threshold_unlocked(struct edp_client *client,
unsigned int threshold);
struct edp_governor *edp_find_governor_unlocked(const char *s);
int edp_set_governor_unlocked(struct edp_manager *mgr,
struct edp_governor *gov);
void edp_manager_add_kobject(struct edp_manager *mgr);
void edp_manager_remove_kobject(struct edp_manager *mgr);
void edp_client_add_kobject(struct edp_client *client);
void edp_client_remove_kobject(struct edp_client *client);
void edp_default_update_request(struct edp_client *client,
const unsigned int *req,
void (*throttle)(struct edp_client *));
void edp_default_update_loans(struct edp_client *lender);
unsigned int edp_throttling_point(struct edp_client *c, unsigned int deficit);
unsigned int edp_promotion_point(struct edp_client *c, unsigned int step);
void manager_add_dentry(struct edp_manager *m);
void manager_remove_dentry(struct edp_manager *m);
void client_add_dentry(struct edp_client *c);
void client_remove_dentry(struct edp_client *c);
void schedule_promotion(struct edp_manager *m);
unsigned int e0_current_sum(struct edp_manager *mgr);
#endif
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