7cc096d8ec
server that it needs to mount the file system backend if it wants to call mount * provide some options for getmntopts(), assume that callers will parse command line (or fstab) args * reorganize the puffs_cc interface just a bit, preparing for a bigger revamp later
119 lines
3.2 KiB
C
119 lines
3.2 KiB
C
/* $NetBSD: puffs_priv.h,v 1.3 2007/01/06 18:22:09 pooka Exp $ */
|
|
|
|
/*
|
|
* Copyright (c) 2006 Antti Kantee. All Rights Reserved.
|
|
*
|
|
* 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. The name of the company nor the name of the author may be used to
|
|
* endorse or promote products derived from this software without specific
|
|
* prior written permission.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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 _PUFFS_PRIVATE_H_
|
|
#define _PUFFS_PRIVATE_H_
|
|
|
|
#include <sys/types.h>
|
|
#include <fs/puffs/puffs_msgif.h>
|
|
|
|
#include <puffs.h>
|
|
#include <ucontext.h>
|
|
|
|
/* call context */
|
|
|
|
struct puffs_cc {
|
|
struct puffs_usermount *pcc_pu;
|
|
struct puffs_req *pcc_preq;
|
|
|
|
ucontext_t pcc_uc; /* "continue" */
|
|
ucontext_t pcc_uc_ret; /* "yield" */
|
|
void *pcc_stack;
|
|
|
|
int pcc_flags;
|
|
|
|
/* these are for threading information to the implementation */
|
|
void *pcc_priv;
|
|
int pcc_rv;
|
|
|
|
TAILQ_ENTRY(puffs_cc) entries;
|
|
};
|
|
#define PCC_ONCE 0x01
|
|
#define PCC_REALCC 0x02
|
|
#define PCC_FREEPRIV 0x04
|
|
#define PCC_PREQ_NOCOPY 0x08
|
|
#define PCC_DONE 0x10
|
|
|
|
#define PCC_CALL_NONE 0x10000
|
|
#define PCC_CALL_IN 0x20000
|
|
#define PCC_CALL_OUT 0x40000
|
|
#define PCC_CALL_MASK 0x70000
|
|
|
|
#define pcc_callstat(a) (a->pcc_flags & PCC_CALL_MASK)
|
|
#define pcc_callset(a, b) (a->pcc_flags = (a->pcc_flags & ~PCC_CALL_MASK) | b)
|
|
|
|
#define pcc_init_local(ap) \
|
|
do { \
|
|
memset(ap, 0, sizeof(*ap)); \
|
|
(ap)->pcc_flags = PCC_ONCE; \
|
|
} while (/*CONSTCOND*/0)
|
|
|
|
/*
|
|
* Reqs
|
|
*/
|
|
|
|
struct puffs_getreq {
|
|
struct puffs_usermount *pgr_pu;
|
|
|
|
struct puffs_reqh_get pgr_phg;
|
|
struct puffs_reqh_get pgr_phg_orig;
|
|
|
|
struct puffs_req *pgr_nextpreq;
|
|
size_t pgr_advance;
|
|
|
|
/* diagnostics */
|
|
int pgr_nppr;
|
|
};
|
|
|
|
struct puffs_putreq {
|
|
struct puffs_usermount *ppr_pu;
|
|
|
|
struct puffs_reqh_put ppr_php;
|
|
|
|
/* to adjust next request info */
|
|
void **ppr_buf;
|
|
size_t *ppr_buflen;
|
|
uint64_t *ppr_id;
|
|
|
|
/* for delayed action freeing of preq's */
|
|
TAILQ_HEAD(, puffs_cc) ppr_pccq;
|
|
|
|
/* diagnostics */
|
|
struct puffs_getreq *ppr_pgr;
|
|
};
|
|
|
|
__BEGIN_DECLS
|
|
|
|
void puffs_calldispatcher(struct puffs_cc *);
|
|
|
|
__END_DECLS
|
|
|
|
#endif /* _PUFFS_PRIVATE_H_ */
|