188 lines
6.4 KiB
C
188 lines
6.4 KiB
C
/* $NetBSD: irix_usema.h,v 1.8 2005/02/26 23:10:19 perry Exp $ */
|
|
|
|
/*-
|
|
* Copyright (c) 2002 The NetBSD Foundation, Inc.
|
|
* All rights reserved.
|
|
*
|
|
* This code is derived from software contributed to The NetBSD Foundation
|
|
* by Emmanuel Dreyfus.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
* 1. Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
* 2. Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in the
|
|
* documentation and/or other materials provided with the distribution.
|
|
* 3. All advertising materials mentioning features or use of this software
|
|
* must display the following acknowledgement:
|
|
* This product includes software developed by the NetBSD
|
|
* Foundation, Inc. and its contributors.
|
|
* 4. Neither the name of The NetBSD Foundation nor the names of its
|
|
* contributors may be used to endorse or promote products derived
|
|
* from this software without specific prior written permission.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
|
|
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
|
|
* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
|
|
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
|
|
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
|
|
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
|
|
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
|
|
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
|
|
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
|
|
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
|
|
* POSSIBILITY OF SUCH DAMAGE.
|
|
*/
|
|
|
|
#ifndef _IRIX_USEMA_H_
|
|
#define _IRIX_USEMA_H_
|
|
|
|
#include <sys/param.h>
|
|
#include <sys/device.h>
|
|
#include <sys/lock.h>
|
|
#include <sys/queue.h>
|
|
|
|
#include <compat/irix/irix_types.h>
|
|
#include <compat/irix/irix_exec.h>
|
|
|
|
extern struct vfsops irix_usema_dummy_vfsops;
|
|
void irix_usema_dummy_vfs_init __P((void));
|
|
extern const struct vnodeopv_desc * const irix_usema_vnodeopv_descs[];
|
|
extern const struct vnodeopv_desc irix_usema_opv_desc;
|
|
extern int (**irix_usema_vnodeop_p) __P((void *));
|
|
extern const struct vnodeopv_entry_desc irix_usema_vnodeop_entries[];
|
|
|
|
|
|
void irix_usemaattach __P((struct device *, struct device *, void *));
|
|
|
|
int irix_usema_close __P((void *));
|
|
int irix_usema_access __P((void *));
|
|
int irix_usema_getattr __P((void *));
|
|
int irix_usema_setattr __P((void *));
|
|
int irix_usema_fcntl __P((void *));
|
|
int irix_usema_ioctl __P((void *));
|
|
int irix_usema_poll __P((void *));
|
|
int irix_usema_inactive __P((void *));
|
|
|
|
void irix_usema_exit_cleanup __P((struct proc *, struct proc *));
|
|
#ifdef DEBUG_IRIX
|
|
void irix_usema_debug __P((void));
|
|
#endif
|
|
|
|
#define IRIX_USEMADEV_MINOR 1
|
|
#define IRIX_USEMACLNDEV_MINOR 0
|
|
|
|
/* Semaphore internal structure: undocumented in IRIX */
|
|
struct irix_semaphore {
|
|
int is_val; /* Sempahore value */
|
|
int is_uk1; /* unknown, usually small integer < 3000 */
|
|
int is_uk2; /* metric, debug or history pointer ? */
|
|
int is_uk3; /* unknown, usually equal to 0 */
|
|
int is_uk4; /* unknown, usually equal to 0 */
|
|
int is_shid; /* unique ID for the shared arena ? */
|
|
int is_oid; /* owner id? usually equal to -1 */
|
|
int is_uk7; /* unknown, usually equal to -1 */
|
|
int is_uk8; /* unknown, usually equal to 0 */
|
|
int is_uk9; /* unknown, usually equal to 0 */
|
|
int is_uk10; /* semaphore page base address ? */
|
|
int is_uk12; /* unknown, usually equal to 0 */
|
|
int is_uk13; /* metric, debug or history pointer ? */
|
|
int is_uk14; /* padding? */
|
|
};
|
|
|
|
struct irix_usema_idaddr {
|
|
int iui_uk1; /* unknown, usually equal to 0 */
|
|
int *iui_oidp; /* pointer to is_oid field in struct irix_semaphore */
|
|
};
|
|
|
|
/* waiting processes list */
|
|
struct irix_waiting_proc_rec {
|
|
TAILQ_ENTRY(irix_waiting_proc_rec) iwpr_list;
|
|
struct proc *iwpr_p;
|
|
};
|
|
|
|
/* semaphore list, their vnode counterparts, and waiting processes lists */
|
|
struct irix_usema_rec {
|
|
LIST_ENTRY(irix_usema_rec) iur_list;
|
|
struct vnode *iur_vn;
|
|
struct irix_semaphore *iur_sem;
|
|
int iur_shid;
|
|
struct proc *iur_p;
|
|
int iur_waiting_count;
|
|
TAILQ_HEAD(iur_waiting_p, irix_waiting_proc_rec) iur_waiting_p;
|
|
TAILQ_HEAD(iur_released_p, irix_waiting_proc_rec) iur_released_p;
|
|
struct lock iur_lock; /* lock for both lists */
|
|
};
|
|
|
|
/* From IRIX's <sys/usioctl.h> */
|
|
#define IRIX_USEMADEV "/dev/usema"
|
|
#define IRIX_USEMACLNDEV "/dev/usemaclone"
|
|
|
|
#define IRIX_UIOC ('u' << 16 | 's' << 8)
|
|
#define IRIX_UIOC_MASK 0x00ffff00
|
|
|
|
#define IRIX_UIOCATTACHSEMA (IRIX_UIOC|2)
|
|
#define IRIX_UIOCBLOCK (IRIX_UIOC|3)
|
|
#define IRIX_UIOCABLOCK (IRIX_UIOC|4)
|
|
#define IRIX_UIOCNOIBLOCK (IRIX_UIOC|5)
|
|
#define IRIX_UIOCUNBLOCK (IRIX_UIOC|6)
|
|
#define IRIX_UIOCAUNBLOCK (IRIX_UIOC|7)
|
|
#define IRIX_UIOCINIT (IRIX_UIOC|8)
|
|
#define IRIX_UIOCGETSEMASTATE (IRIX_UIOC|9)
|
|
#define IRIX_UIOCABLOCKPID (IRIX_UIOC|10)
|
|
#define IRIX_UIOCADDPID (IRIX_UIOC|11)
|
|
#define IRIX_UIOCABLOCKQ (IRIX_UIOC|12)
|
|
#define IRIX_UIOCAUNBLOCKQ (IRIX_UIOC|13)
|
|
#define IRIX_UIOCIDADDR (IRIX_UIOC|14)
|
|
#define IRIX_UIOCSETSEMASTATE (IRIX_UIOC|15)
|
|
#define IRIX_UIOCGETCOUNT (IRIX_UIOC|16)
|
|
|
|
struct irix_usattach_s {
|
|
irix_dev_t us_dev;
|
|
void *us_handle;
|
|
};
|
|
typedef struct irix_usattach_s irix_usattach_t;
|
|
|
|
struct irix_irix5_usattach_s {
|
|
__uint32_t us_dev;
|
|
__uint32_t us_handle;
|
|
};
|
|
typedef struct irix_irix5_usattach_s irix_irix5_usattach_t;
|
|
|
|
struct irix_ussemastate_s {
|
|
int ntid;
|
|
int nprepost;
|
|
int nfilled;
|
|
int nthread;
|
|
struct irix_ussematidstate_s {
|
|
pid_t pid;
|
|
int tid;
|
|
int count;
|
|
} *tidinfo;
|
|
};
|
|
typedef struct irix_ussemastate_s irix_ussemastate_t;
|
|
typedef struct irix_ussematidstate_s irix_ussematidstate_t;
|
|
|
|
|
|
/* usync_fcntl() commands, undocumented in IRIX */
|
|
#define IRIX_USYNC_BLOCK 1
|
|
#define IRIX_USYNC_INTR_BLOCK 2
|
|
#define IRIX_USYNC_UNBLOCK_ALL 3
|
|
#define IRIX_USYNC_UNBLOCK 4
|
|
#define IRIX_USYNC_NOTIFY_REGISTER 5
|
|
#define IRIX_USYNC_NOTIFY 6
|
|
#define IRIX_USYNC_NOTIFY_DELETE 7
|
|
#define IRIX_USYNC_NOTIFY_CLEAR 8
|
|
#define IRIX_USYNC_GET_STATE 11
|
|
|
|
struct irix_usync_arg {
|
|
int iua_uk0; /* unknown, usually small integer around 1000 */
|
|
int iua_uk1; /* unknown, usually pointer to code in libc */
|
|
int iua_uk2; /* unknown, usually null */
|
|
struct irix_semaphore *iua_sem; /* semaphore address */
|
|
};
|
|
|
|
#endif /* _IRIX_USEMA_H_ */
|