/* * 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 (c) 2003, 2010, Oracle and/or its affiliates. All rights reserved. */ #ifndef _SYS_SQUEUE_H #define _SYS_SQUEUE_H #ifdef __cplusplus extern "C" { #endif #include <sys/types.h> #include <sys/processor.h> #include <sys/stream.h> struct squeue_s; typedef struct squeue_s squeue_t; #define SET_SQUEUE(mp, proc, arg) { \ ASSERT((mp)->b_prev == NULL); \ ASSERT((mp)->b_next == NULL); \ (mp)->b_queue = (queue_t *)(proc); \ (mp)->b_prev = (mblk_t *)(arg); \ } #define SQ_FILL 0x0001 #define SQ_NODRAIN 0x0002 #define SQ_PROCESS 0x0004 #define SQUEUE_ENTER(sqp, head, tail, cnt, ira, flag, tag) { \ sqp->sq_enter(sqp, head, tail, cnt, ira, flag, tag); \ } #define SQUEUE_ENTER_ONE(sqp, mp, proc, arg, ira, flag, tag) { \ ASSERT(mp->b_next == NULL); \ ASSERT(mp->b_prev == NULL); \ SET_SQUEUE(mp, proc, arg); \ SQUEUE_ENTER(sqp, mp, mp, 1, ira, flag, tag); \ } /* * May be called only by a thread executing in the squeue. The thread must * not continue to execute any code needing squeue protection after calling * this macro. Please see the comments in squeue.c for more details. */ #define SQUEUE_SWITCH(connp, new_sqp) \ (connp)->conn_sqp = new_sqp; /* * Facility-special private data in squeues. */ typedef enum { SQPRIVATE_TCP, SQPRIVATE_MAX } sqprivate_t; struct ip_recv_attr_s; extern void squeue_init(void); extern squeue_t *squeue_create(clock_t, pri_t); extern void squeue_bind(squeue_t *, processorid_t); extern void squeue_unbind(squeue_t *); extern void squeue_enter(squeue_t *, mblk_t *, mblk_t *, uint32_t, struct ip_recv_attr_s *, int, uint8_t); extern uintptr_t *squeue_getprivate(squeue_t *, sqprivate_t); struct conn_s; extern int squeue_synch_enter(struct conn_s *, mblk_t *); extern void squeue_synch_exit(struct conn_s *); #ifdef __cplusplus } #endif #endif /* _SYS_SQUEUE_H */