/* $NetBSD: irix_usema.h,v 1.9 2005/12/11 12:20:12 christos 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 #include #include #include #include #include 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 */ #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_ */