1 /* 2 * CDDL HEADER START 3 * 4 * The contents of this file are subject to the terms of the 5 * Common Development and Distribution License, Version 1.0 only 6 * (the "License"). You may not use this file except in compliance 7 * with the License. 8 * 9 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 10 * or http://www.opensolaris.org/os/licensing. 11 * See the License for the specific language governing permissions 12 * and limitations under the License. 13 * 14 * When distributing Covered Code, include this CDDL HEADER in each 15 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 16 * If applicable, add the following below this CDDL HEADER, with the 17 * fields enclosed by brackets "[]" replaced with your own identifying 18 * information: Portions Copyright [yyyy] [name of copyright owner] 19 * 20 * CDDL HEADER END 21 */ 22 /* 23 * Copyright 2005 Sun Microsystems, Inc. All rights reserved. 24 * Use is subject to license terms. 25 */ 26 /* Copyright (c) 1990 Mentat Inc. */ 27 28 #ifndef _INET_MI_H 29 #define _INET_MI_H 30 31 #pragma ident "%Z%%M% %I% %E% SMI" 32 33 #ifdef __cplusplus 34 extern "C" { 35 #endif 36 37 #ifdef _KERNEL 38 39 #include <sys/types.h> 40 #include <sys/vmem.h> 41 #include <sys/varargs.h> 42 43 #define MI_MIN_DEV INET_MIN_DEV /* minimum minor device number */ 44 #define MI_COPY_IN 1 45 #define MI_COPY_OUT 2 46 #define MI_COPY_DIRECTION(mp) (*(int *)&(mp)->b_cont->b_next) 47 #define MI_COPY_COUNT(mp) (*(int *)&(mp)->b_cont->b_prev) 48 #define MI_COPY_CASE(dir, cnt) (((cnt)<<2)|dir) 49 #define MI_COPY_STATE(mp) MI_COPY_CASE(MI_COPY_DIRECTION(mp), \ 50 MI_COPY_COUNT(mp)) 51 52 #ifdef __lint 53 /* Lint complains about %p with field width specifiers. */ 54 #define MI_COL_PTRFMT_STR "%p " 55 #define MI_COL_HDRPAD_STR "" 56 #else 57 #ifdef _ILP32 58 #if defined(__GNUC__) 59 #define MI_COL_PTRFMT_STR "%8p " 60 #else 61 #define MI_COL_PTRFMT_STR "%08p " 62 #endif /* __GNUC__ */ 63 #define MI_COL_HDRPAD_STR "" 64 #else 65 #define MI_COL_PTRFMT_STR "%16p " 66 #define MI_COL_HDRPAD_STR " " 67 #endif 68 #endif 69 70 /* 71 * Double linked list of type MI_O with a mi_head_t as the head. 72 * Used for mi_open_comm etc. 73 */ 74 typedef struct mi_o_s { 75 struct mi_o_s *mi_o_next; 76 struct mi_o_s *mi_o_prev; 77 boolean_t mi_o_isdev; /* Is this a device instance */ 78 dev_t mi_o_dev; 79 } MI_O, *MI_OP; 80 81 /* 82 * List head for MI_O doubly linked list. 83 * The list contains unsorted driver, module and detached instances. 84 * 85 * Minor numbers are allocated from mh_arena which initially contains 86 * [MI_MIN_DEV, mh_maxminor] numbers. When this arena is fully allocated, it is 87 * extended to MAXMIN32. 88 * 89 * The module_dev is used to give almost unique numbers to module instances. 90 * This is only needed for mi_strlog which uses the mi_o_dev field when 91 * logging messages. 92 */ 93 94 typedef struct mi_head_s { 95 struct mi_o_s mh_o; /* Contains head of doubly linked list */ 96 vmem_t *mh_arena; /* Minor number arena */ 97 int mh_module_dev; /* Wraparound number for use when MODOPEN */ 98 minor_t mh_maxminor; /* max minor number in the arena */ 99 } mi_head_t; 100 101 extern void *mi_alloc(size_t size, uint_t pri); 102 extern void *mi_alloc_sleep(size_t size, uint_t pri); 103 extern void mi_free(void *ptr); 104 105 extern int mi_close_comm(void **mi_head, queue_t *q); 106 extern void mi_close_free(IDP ptr); 107 extern void mi_close_unlink(void **mi_head, IDP ptr); 108 109 extern void mi_copyin(queue_t *q, MBLKP mp, char *uaddr, size_t len); 110 extern void mi_copyin_n(queue_t *q, MBLKP mp, size_t offset, size_t len); 111 extern void mi_copyout(queue_t *q, MBLKP mp); 112 extern MBLKP mi_copyout_alloc(queue_t *q, MBLKP mp, char *uaddr, size_t len, 113 boolean_t free_on_error); 114 extern void mi_copy_done(queue_t *q, MBLKP mp, int err); 115 extern int mi_copy_state(queue_t *q, MBLKP mp, MBLKP *mpp); 116 117 /*PRINTFLIKE2*/ 118 extern int mi_mpprintf(MBLKP mp, char *fmt, ...) 119 __KPRINTFLIKE(2); 120 /*PRINTFLIKE2*/ 121 extern int mi_mpprintf_nr(MBLKP mp, char *fmt, ...) 122 __KPRINTFLIKE(2); 123 extern int mi_mpprintf_putc(char *cookie, int ch); 124 125 extern IDP mi_first_ptr(void **mi_head); 126 extern IDP mi_first_dev_ptr(void **mi_head); 127 extern IDP mi_next_ptr(void **mi_head, IDP ptr); 128 extern IDP mi_next_dev_ptr(void **mi_head, IDP ptr); 129 130 extern IDP mi_open_alloc(size_t size); 131 extern IDP mi_open_alloc_sleep(size_t size); 132 extern int mi_open_comm(void **mi_head, size_t size, queue_t *q, 133 dev_t *devp, int flag, int sflag, cred_t *credp); 134 extern int mi_open_link(void **mi_head, IDP ptr, dev_t *devp, int flag, 135 int sflag, cred_t *credp); 136 137 extern uint8_t *mi_offset_param(mblk_t *mp, size_t offset, size_t len); 138 extern uint8_t *mi_offset_paramc(mblk_t *mp, size_t offset, size_t len); 139 140 141 extern boolean_t mi_set_sth_hiwat(queue_t *q, size_t size); 142 extern boolean_t mi_set_sth_lowat(queue_t *q, size_t size); 143 extern boolean_t mi_set_sth_maxblk(queue_t *q, ssize_t size); 144 extern boolean_t mi_set_sth_copyopt(queue_t *q, int copyopt); 145 extern boolean_t mi_set_sth_wroff(queue_t *q, size_t size); 146 147 /*PRINTFLIKE2*/ 148 extern int mi_sprintf(char *buf, char *fmt, ...) 149 __KPRINTFLIKE(2); 150 extern int mi_sprintf_putc(char *cookie, int ch); 151 152 extern int mi_strcmp(const char *cp1, const char *cp2); 153 extern size_t mi_strlen(const char *str); 154 155 /*PRINTFLIKE4*/ 156 extern int mi_strlog(queue_t *q, char level, ushort_t flags, 157 char *fmt, ...) __KPRINTFLIKE(4); 158 #pragma rarely_called(mi_strlog) 159 160 extern long mi_strtol(const char *str, char **ptr, int base); 161 162 extern void mi_timer(queue_t *q, MBLKP mp, clock_t tim); 163 extern MBLKP mi_timer_alloc(size_t size); 164 extern void mi_timer_free(MBLKP mp); 165 extern void mi_timer_move(queue_t *, mblk_t *); 166 extern void mi_timer_stop(mblk_t *); 167 extern boolean_t mi_timer_valid(MBLKP mp); 168 169 extern MBLKP mi_tpi_conn_con(MBLKP trailer_mp, char *src, 170 t_scalar_t src_length, char *opt, t_scalar_t opt_length); 171 extern MBLKP mi_tpi_conn_ind(MBLKP trailer_mp, char *src, 172 t_scalar_t src_length, char *opt, t_scalar_t opt_length, 173 t_scalar_t seqnum); 174 extern MBLKP mi_tpi_extconn_ind(MBLKP trailer_mp, char *src, 175 t_scalar_t src_length, char *opt, t_scalar_t opt_length, 176 char *dst, t_scalar_t dst_length, t_scalar_t seqnum); 177 extern MBLKP mi_tpi_discon_ind(MBLKP trailer_mp, t_scalar_t reason, 178 t_scalar_t seqnum); 179 extern MBLKP mi_tpi_err_ack_alloc(MBLKP mp, t_scalar_t tlierr, int unixerr); 180 extern MBLKP mi_tpi_ok_ack_alloc(MBLKP mp); 181 extern MBLKP mi_tpi_ok_ack_alloc_extra(MBLKP mp, int extra); 182 extern MBLKP mi_tpi_ordrel_ind(void); 183 extern MBLKP mi_tpi_uderror_ind(char *dest, t_scalar_t dest_length, 184 char *opt, t_scalar_t opt_length, t_scalar_t error); 185 186 extern IDP mi_zalloc(size_t size); 187 extern IDP mi_zalloc_sleep(size_t size); 188 189 #endif /* _KERNEL */ 190 191 #ifdef __cplusplus 192 } 193 #endif 194 195 #endif /* _INET_MI_H */ 196