/* * CDDL HEADER START * * The contents of this file are subject to the terms of the * Common Development and Distribution License (the "License"). * You may not use this file except in compliance with the License. * * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE * or http://www.opensolaris.org/os/licensing. * See the License for the specific language governing permissions * and limitations under the License. * * When distributing Covered Code, include this CDDL HEADER in each * file and include the License file at usr/src/OPENSOLARIS.LICENSE. * If applicable, add the following below this CDDL HEADER, with the * fields enclosed by brackets "[]" replaced with your own identifying * information: Portions Copyright [yyyy] [name of copyright owner] * * CDDL HEADER END */ /* * Copyright 2009 Sun Microsystems, Inc. All rights reserved. * Use is subject to license terms. */ /* Copyright (c) 1990 Mentat Inc. */ #ifndef _INET_MI_H #define _INET_MI_H #ifdef __cplusplus extern "C" { #endif #ifdef _KERNEL #include #include #include #include #define MI_MIN_DEV INET_MIN_DEV /* minimum minor device number */ #define MI_COPY_IN 1 #define MI_COPY_OUT 2 #define MI_COPY_DIRECTION(mp) (*(int *)&(mp)->b_cont->b_next) #define MI_COPY_COUNT(mp) (*(int *)&(mp)->b_cont->b_prev) #define MI_COPY_CASE(dir, cnt) (((cnt)<<2)|dir) #define MI_COPY_STATE(mp) MI_COPY_CASE(MI_COPY_DIRECTION(mp), \ MI_COPY_COUNT(mp)) /* * Double linked list of type MI_O with a mi_head_t as the head. * Used for mi_open_comm etc. */ typedef struct mi_o_s { struct mi_o_s *mi_o_next; struct mi_o_s *mi_o_prev; boolean_t mi_o_isdev; /* Is this a device instance */ dev_t mi_o_dev; } MI_O, *MI_OP; /* * List head for MI_O doubly linked list. * The list contains unsorted driver, module and detached instances. * * Minor numbers are allocated from mh_arena which initially contains * [MI_MIN_DEV, mh_maxminor] numbers. When this arena is fully allocated, it is * extended to MAXMIN32. * * The module_dev is used to give almost unique numbers to module instances. * This is only needed for mi_strlog which uses the mi_o_dev field when * logging messages. */ typedef struct mi_head_s { struct mi_o_s mh_o; /* Contains head of doubly linked list */ vmem_t *mh_arena; /* Minor number arena */ int mh_module_dev; /* Wraparound number for use when MODOPEN */ minor_t mh_maxminor; /* max minor number in the arena */ } mi_head_t; extern void *mi_alloc(size_t size, uint_t pri); extern void *mi_alloc_sleep(size_t size, uint_t pri); extern void mi_free(void *ptr); extern int mi_close_comm(void **mi_head, queue_t *q); extern void mi_close_free(IDP ptr); extern void mi_close_unlink(void **mi_head, IDP ptr); extern void mi_copyin(queue_t *q, MBLKP mp, char *uaddr, size_t len); extern void mi_copyin_n(queue_t *q, MBLKP mp, size_t offset, size_t len); extern void mi_copyout(queue_t *q, MBLKP mp); extern MBLKP mi_copyout_alloc(queue_t *q, MBLKP mp, char *uaddr, size_t len, boolean_t free_on_error); extern void mi_copy_done(queue_t *q, MBLKP mp, int err); extern int mi_copy_state(queue_t *q, MBLKP mp, MBLKP *mpp); /*PRINTFLIKE2*/ extern int mi_mpprintf(MBLKP mp, char *fmt, ...) __KPRINTFLIKE(2); /*PRINTFLIKE2*/ extern int mi_mpprintf_nr(MBLKP mp, char *fmt, ...) __KPRINTFLIKE(2); extern int mi_mpprintf_putc(char *cookie, int ch); extern IDP mi_first_ptr(void **mi_head); extern IDP mi_first_dev_ptr(void **mi_head); extern IDP mi_next_ptr(void **mi_head, IDP ptr); extern IDP mi_next_dev_ptr(void **mi_head, IDP ptr); extern IDP mi_open_alloc(size_t size); extern IDP mi_open_alloc_sleep(size_t size); extern int mi_open_comm(void **mi_head, size_t size, queue_t *q, dev_t *devp, int flag, int sflag, cred_t *credp); extern int mi_open_link(void **mi_head, IDP ptr, dev_t *devp, int flag, int sflag, cred_t *credp); extern uint8_t *mi_offset_param(mblk_t *mp, size_t offset, size_t len); extern uint8_t *mi_offset_paramc(mblk_t *mp, size_t offset, size_t len); /*PRINTFLIKE2*/ extern int mi_sprintf(char *buf, char *fmt, ...) __KPRINTFLIKE(2); extern int mi_sprintf_putc(char *cookie, int ch); extern int mi_strcmp(const char *cp1, const char *cp2); extern size_t mi_strlen(const char *str); /*PRINTFLIKE4*/ extern int mi_strlog(queue_t *q, char level, ushort_t flags, char *fmt, ...) __KPRINTFLIKE(4); #pragma rarely_called(mi_strlog) extern long mi_strtol(const char *str, char **ptr, int base); extern void mi_timer(queue_t *q, MBLKP mp, clock_t tim); extern MBLKP mi_timer_alloc(size_t size); extern void mi_timer_free(MBLKP mp); extern void mi_timer_move(queue_t *, mblk_t *); extern void mi_timer_stop(mblk_t *); extern boolean_t mi_timer_valid(MBLKP mp); extern MBLKP mi_tpi_conn_con(MBLKP trailer_mp, char *src, t_scalar_t src_length, char *opt, t_scalar_t opt_length); extern MBLKP mi_tpi_conn_ind(MBLKP trailer_mp, char *src, t_scalar_t src_length, char *opt, t_scalar_t opt_length, t_scalar_t seqnum); extern MBLKP mi_tpi_extconn_ind(MBLKP trailer_mp, char *src, t_scalar_t src_length, char *opt, t_scalar_t opt_length, char *dst, t_scalar_t dst_length, t_scalar_t seqnum); extern MBLKP mi_tpi_discon_ind(MBLKP trailer_mp, t_scalar_t reason, t_scalar_t seqnum); extern MBLKP mi_tpi_err_ack_alloc(MBLKP mp, t_scalar_t tlierr, int unixerr); extern MBLKP mi_tpi_ok_ack_alloc(MBLKP mp); extern MBLKP mi_tpi_ok_ack_alloc_extra(MBLKP mp, int extra); extern MBLKP mi_tpi_ordrel_ind(void); extern MBLKP mi_tpi_uderror_ind(char *dest, t_scalar_t dest_length, char *opt, t_scalar_t opt_length, t_scalar_t error); extern IDP mi_zalloc(size_t size); extern IDP mi_zalloc_sleep(size_t size); #endif /* _KERNEL */ #ifdef __cplusplus } #endif #endif /* _INET_MI_H */