puffs_priv.h revision 1.3
1 1.3 pooka /* $NetBSD: puffs_priv.h,v 1.3 2007/01/06 18:22:09 pooka Exp $ */ 2 1.1 pooka 3 1.1 pooka /* 4 1.1 pooka * Copyright (c) 2006 Antti Kantee. All Rights Reserved. 5 1.1 pooka * 6 1.1 pooka * Redistribution and use in source and binary forms, with or without 7 1.1 pooka * modification, are permitted provided that the following conditions 8 1.1 pooka * are met: 9 1.1 pooka * 1. Redistributions of source code must retain the above copyright 10 1.1 pooka * notice, this list of conditions and the following disclaimer. 11 1.1 pooka * 2. Redistributions in binary form must reproduce the above copyright 12 1.1 pooka * notice, this list of conditions and the following disclaimer in the 13 1.1 pooka * documentation and/or other materials provided with the distribution. 14 1.1 pooka * 3. The name of the company nor the name of the author may be used to 15 1.1 pooka * endorse or promote products derived from this software without specific 16 1.1 pooka * prior written permission. 17 1.1 pooka * 18 1.1 pooka * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS 19 1.1 pooka * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 20 1.1 pooka * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 21 1.1 pooka * DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 22 1.1 pooka * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 23 1.1 pooka * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR 24 1.1 pooka * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 25 1.1 pooka * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 26 1.1 pooka * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 27 1.1 pooka * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 28 1.1 pooka * SUCH DAMAGE. 29 1.1 pooka */ 30 1.1 pooka 31 1.1 pooka #ifndef _PUFFS_PRIVATE_H_ 32 1.1 pooka #define _PUFFS_PRIVATE_H_ 33 1.1 pooka 34 1.1 pooka #include <sys/types.h> 35 1.1 pooka #include <fs/puffs/puffs_msgif.h> 36 1.1 pooka 37 1.1 pooka #include <puffs.h> 38 1.2 pooka #include <ucontext.h> 39 1.2 pooka 40 1.2 pooka /* call context */ 41 1.2 pooka 42 1.2 pooka struct puffs_cc { 43 1.2 pooka struct puffs_usermount *pcc_pu; 44 1.2 pooka struct puffs_req *pcc_preq; 45 1.2 pooka 46 1.2 pooka ucontext_t pcc_uc; /* "continue" */ 47 1.2 pooka ucontext_t pcc_uc_ret; /* "yield" */ 48 1.2 pooka void *pcc_stack; 49 1.2 pooka 50 1.2 pooka int pcc_flags; 51 1.2 pooka 52 1.2 pooka /* these are for threading information to the implementation */ 53 1.2 pooka void *pcc_priv; 54 1.2 pooka int pcc_rv; 55 1.2 pooka 56 1.2 pooka TAILQ_ENTRY(puffs_cc) entries; 57 1.2 pooka }; 58 1.2 pooka #define PCC_ONCE 0x01 59 1.2 pooka #define PCC_REALCC 0x02 60 1.2 pooka #define PCC_FREEPRIV 0x04 61 1.2 pooka #define PCC_PREQ_NOCOPY 0x08 62 1.2 pooka #define PCC_DONE 0x10 63 1.2 pooka 64 1.2 pooka #define PCC_CALL_NONE 0x10000 65 1.2 pooka #define PCC_CALL_IN 0x20000 66 1.2 pooka #define PCC_CALL_OUT 0x40000 67 1.2 pooka #define PCC_CALL_MASK 0x70000 68 1.2 pooka 69 1.2 pooka #define pcc_callstat(a) (a->pcc_flags & PCC_CALL_MASK) 70 1.2 pooka #define pcc_callset(a, b) (a->pcc_flags = (a->pcc_flags & ~PCC_CALL_MASK) | b) 71 1.2 pooka 72 1.2 pooka #define pcc_init_local(ap) \ 73 1.2 pooka do { \ 74 1.2 pooka memset(ap, 0, sizeof(*ap)); \ 75 1.2 pooka (ap)->pcc_flags = PCC_ONCE; \ 76 1.2 pooka } while (/*CONSTCOND*/0) 77 1.2 pooka 78 1.2 pooka /* 79 1.2 pooka * Reqs 80 1.2 pooka */ 81 1.1 pooka 82 1.1 pooka struct puffs_getreq { 83 1.1 pooka struct puffs_usermount *pgr_pu; 84 1.1 pooka 85 1.1 pooka struct puffs_reqh_get pgr_phg; 86 1.2 pooka struct puffs_reqh_get pgr_phg_orig; 87 1.2 pooka 88 1.1 pooka struct puffs_req *pgr_nextpreq; 89 1.1 pooka size_t pgr_advance; 90 1.2 pooka 91 1.2 pooka /* diagnostics */ 92 1.2 pooka int pgr_nppr; 93 1.1 pooka }; 94 1.1 pooka 95 1.1 pooka struct puffs_putreq { 96 1.1 pooka struct puffs_usermount *ppr_pu; 97 1.1 pooka 98 1.1 pooka struct puffs_reqh_put ppr_php; 99 1.1 pooka 100 1.1 pooka /* to adjust next request info */ 101 1.2 pooka void **ppr_buf; 102 1.2 pooka size_t *ppr_buflen; 103 1.2 pooka uint64_t *ppr_id; 104 1.2 pooka 105 1.2 pooka /* for delayed action freeing of preq's */ 106 1.2 pooka TAILQ_HEAD(, puffs_cc) ppr_pccq; 107 1.2 pooka 108 1.2 pooka /* diagnostics */ 109 1.2 pooka struct puffs_getreq *ppr_pgr; 110 1.1 pooka }; 111 1.1 pooka 112 1.2 pooka __BEGIN_DECLS 113 1.2 pooka 114 1.3 pooka void puffs_calldispatcher(struct puffs_cc *); 115 1.3 pooka 116 1.2 pooka __END_DECLS 117 1.2 pooka 118 1.1 pooka #endif /* _PUFFS_PRIVATE_H_ */ 119
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