mirror of
https://github.com/AuxXxilium/linux_dsm_epyc7002.git
synced 2024-11-26 09:20:54 +07:00
97 lines
3.1 KiB
C
97 lines
3.1 KiB
C
|
/*********************************************************************
|
|||
|
|
*
|
|||
|
|
* Filename: irqueue.h
|
|||
|
|
* Version: 0.3
|
|||
|
|
* Description: General queue implementation
|
|||
|
|
* Status: Experimental.
|
|||
|
|
* Author: Dag Brattli <dagb@cs.uit.no>
|
|||
|
|
* Created at: Tue Jun 9 13:26:50 1998
|
|||
|
|
* Modified at: Thu Oct 7 13:25:16 1999
|
|||
|
|
* Modified by: Dag Brattli <dagb@cs.uit.no>
|
|||
|
|
*
|
|||
|
|
* Copyright (C) 1998-1999, Aage Kvalnes <aage@cs.uit.no>
|
|||
|
|
* Copyright (c) 1998, Dag Brattli
|
|||
|
|
* All Rights Reserved.
|
|||
|
|
*
|
|||
|
|
* This code is taken from the Vortex Operating System written by Aage
|
|||
|
|
* Kvalnes and has been ported to Linux and Linux/IR by Dag Brattli
|
|||
|
|
*
|
|||
|
|
* This program is free software; you can redistribute it and/or
|
|||
|
|
* modify it under the terms of the GNU General Public License as
|
|||
|
|
* published by the Free Software Foundation; either version 2 of
|
|||
|
|
* the License, or (at your option) any later version.
|
|||
|
|
*
|
|||
|
|
* Neither Dag Brattli nor University of Troms<EFBFBD> admit liability nor
|
|||
|
|
* provide warranty for any of this software. This material is
|
|||
|
|
* provided "AS-IS" and at no charge.
|
|||
|
|
*
|
|||
|
|
********************************************************************/
|
|||
|
|
|
|||
|
|
#include <linux/types.h>
|
|||
|
|
#include <linux/spinlock.h>
|
|||
|
|
|
|||
|
|
#ifndef IRDA_QUEUE_H
|
|||
|
|
#define IRDA_QUEUE_H
|
|||
|
|
|
|||
|
|
#define NAME_SIZE 32
|
|||
|
|
|
|||
|
|
/*
|
|||
|
|
* Hash types (some flags can be xored)
|
|||
|
|
* See comments in irqueue.c for which one to use...
|
|||
|
|
*/
|
|||
|
|
#define HB_NOLOCK 0 /* No concurent access prevention */
|
|||
|
|
#define HB_LOCK 1 /* Prevent concurent write with global lock */
|
|||
|
|
|
|||
|
|
/*
|
|||
|
|
* Hash defines
|
|||
|
|
*/
|
|||
|
|
#define HASHBIN_SIZE 8
|
|||
|
|
#define HASHBIN_MASK 0x7
|
|||
|
|
|
|||
|
|
#ifndef IRDA_ALIGN
|
|||
|
|
#define IRDA_ALIGN __attribute__((aligned))
|
|||
|
|
#endif
|
|||
|
|
|
|||
|
|
#define Q_NULL { NULL, NULL, "", 0 }
|
|||
|
|
|
|||
|
|
typedef void (*FREE_FUNC)(void *arg);
|
|||
|
|
|
|||
|
|
struct irda_queue {
|
|||
|
|
struct irda_queue *q_next;
|
|||
|
|
struct irda_queue *q_prev;
|
|||
|
|
|
|||
|
|
char q_name[NAME_SIZE];
|
|||
|
|
long q_hash; /* Must be able to cast a (void *) */
|
|||
|
|
};
|
|||
|
|
typedef struct irda_queue irda_queue_t;
|
|||
|
|
|
|||
|
|
typedef struct hashbin_t {
|
|||
|
|
__u32 magic;
|
|||
|
|
int hb_type;
|
|||
|
|
int hb_size;
|
|||
|
|
spinlock_t hb_spinlock; /* HB_LOCK - Can be used by the user */
|
|||
|
|
|
|||
|
|
irda_queue_t* hb_queue[HASHBIN_SIZE] IRDA_ALIGN;
|
|||
|
|
|
|||
|
|
irda_queue_t* hb_current;
|
|||
|
|
} hashbin_t;
|
|||
|
|
|
|||
|
|
hashbin_t *hashbin_new(int type);
|
|||
|
|
int hashbin_delete(hashbin_t* hashbin, FREE_FUNC func);
|
|||
|
|
int hashbin_clear(hashbin_t* hashbin, FREE_FUNC free_func);
|
|||
|
|
void hashbin_insert(hashbin_t* hashbin, irda_queue_t* entry, long hashv,
|
|||
|
|
const char* name);
|
|||
|
|
void* hashbin_remove(hashbin_t* hashbin, long hashv, const char* name);
|
|||
|
|
void* hashbin_remove_first(hashbin_t *hashbin);
|
|||
|
|
void* hashbin_remove_this( hashbin_t* hashbin, irda_queue_t* entry);
|
|||
|
|
void* hashbin_find(hashbin_t* hashbin, long hashv, const char* name);
|
|||
|
|
void* hashbin_lock_find(hashbin_t* hashbin, long hashv, const char* name);
|
|||
|
|
void* hashbin_find_next(hashbin_t* hashbin, long hashv, const char* name,
|
|||
|
|
void ** pnext);
|
|||
|
|
irda_queue_t *hashbin_get_first(hashbin_t *hashbin);
|
|||
|
|
irda_queue_t *hashbin_get_next(hashbin_t *hashbin);
|
|||
|
|
|
|||
|
|
#define HASHBIN_GET_SIZE(hashbin) hashbin->hb_size
|
|||
|
|
|
|||
|
|
#endif
|