mi.h revision 0f1702c5201310f0529cd5abb77652e5e9b241b6
/*
* 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 2008 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 <sys/types.h>
#include <sys/vmem.h>
#include <sys/varargs.h>
#include <netinet/in.h>
#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))
#ifdef __lint
/* Lint complains about %p with field width specifiers. */
#define MI_COL_PTRFMT_STR "%p "
#define MI_COL_HDRPAD_STR ""
#else
#ifdef _ILP32
#if defined(__GNUC__)
#define MI_COL_PTRFMT_STR "%8p "
#else
#define MI_COL_PTRFMT_STR "%08p "
#endif /* __GNUC__ */
#define MI_COL_HDRPAD_STR ""
#else
#define MI_COL_PTRFMT_STR "%16p "
#define MI_COL_HDRPAD_STR " "
#endif
#endif
/*
* 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 */