1*bbc000e5SAnders Persson /* 2*bbc000e5SAnders Persson * CDDL HEADER START 3*bbc000e5SAnders Persson * 4*bbc000e5SAnders Persson * The contents of this file are subject to the terms of the 5*bbc000e5SAnders Persson * Common Development and Distribution License (the "License"). 6*bbc000e5SAnders Persson * You may not use this file except in compliance with the License. 7*bbc000e5SAnders Persson * 8*bbc000e5SAnders Persson * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 9*bbc000e5SAnders Persson * or http://www.opensolaris.org/os/licensing. 10*bbc000e5SAnders Persson * See the License for the specific language governing permissions 11*bbc000e5SAnders Persson * and limitations under the License. 12*bbc000e5SAnders Persson * 13*bbc000e5SAnders Persson * When distributing Covered Code, include this CDDL HEADER in each 14*bbc000e5SAnders Persson * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 15*bbc000e5SAnders Persson * If applicable, add the following below this CDDL HEADER, with the 16*bbc000e5SAnders Persson * fields enclosed by brackets "[]" replaced with your own identifying 17*bbc000e5SAnders Persson * information: Portions Copyright [yyyy] [name of copyright owner] 18*bbc000e5SAnders Persson * 19*bbc000e5SAnders Persson * CDDL HEADER END 20*bbc000e5SAnders Persson */ 21*bbc000e5SAnders Persson 22*bbc000e5SAnders Persson /* 23*bbc000e5SAnders Persson * Copyright 2009 Sun Microsystems, Inc. All rights reserved. 24*bbc000e5SAnders Persson * Use is subject to license terms. 25*bbc000e5SAnders Persson */ 26*bbc000e5SAnders Persson 27*bbc000e5SAnders Persson /* Copyright (c) 1983, 1984, 1985, 1986, 1987, 1988, 1989 AT&T */ 28*bbc000e5SAnders Persson /* All Rights Reserved */ 29*bbc000e5SAnders Persson 30*bbc000e5SAnders Persson /* 31*bbc000e5SAnders Persson * University Copyright- Copyright (c) 1982, 1986, 1988 32*bbc000e5SAnders Persson * The Regents of the University of California 33*bbc000e5SAnders Persson * All Rights Reserved 34*bbc000e5SAnders Persson * 35*bbc000e5SAnders Persson * University Acknowledgment- Portions of this document are derived from 36*bbc000e5SAnders Persson * software developed by the University of California, Berkeley, and its 37*bbc000e5SAnders Persson * contributors. 38*bbc000e5SAnders Persson */ 39*bbc000e5SAnders Persson 40*bbc000e5SAnders Persson #ifndef _SOCKFS_SODIRECT_H 41*bbc000e5SAnders Persson #define _SOCKFS_SODIRECT_H 42*bbc000e5SAnders Persson 43*bbc000e5SAnders Persson /* 44*bbc000e5SAnders Persson * Sodirect; used to support asynchronous DMA hardware 45*bbc000e5SAnders Persson * (e.g. Intel's I/OAT). 46*bbc000e5SAnders Persson */ 47*bbc000e5SAnders Persson 48*bbc000e5SAnders Persson #ifdef __cplusplus 49*bbc000e5SAnders Persson extern "C" { 50*bbc000e5SAnders Persson #endif 51*bbc000e5SAnders Persson 52*bbc000e5SAnders Persson typedef struct sodirect_s { 53*bbc000e5SAnders Persson boolean_t sod_enabled; /* sodirect_t enabled */ 54*bbc000e5SAnders Persson mblk_t *sod_uioafh; /* To be freed list head, or NULL */ 55*bbc000e5SAnders Persson mblk_t *sod_uioaft; /* To be freed list tail */ 56*bbc000e5SAnders Persson uioa_t sod_uioa; /* Pending uio_t for uioa_t use */ 57*bbc000e5SAnders Persson } sodirect_t; 58*bbc000e5SAnders Persson 59*bbc000e5SAnders Persson /* 60*bbc000e5SAnders Persson * Usefull macros: 61*bbc000e5SAnders Persson */ 62*bbc000e5SAnders Persson #define SOD_DISABLE(sodp) { \ 63*bbc000e5SAnders Persson (sodp)->sod_enabled = B_FALSE; \ 64*bbc000e5SAnders Persson } 65*bbc000e5SAnders Persson 66*bbc000e5SAnders Persson #define SOD_SOTOSODP(so) ((sonode_t *)so)->so_direct 67*bbc000e5SAnders Persson 68*bbc000e5SAnders Persson #define SOD_UIOAFINI(sodp) { \ 69*bbc000e5SAnders Persson if ((sodp)->sod_uioa.uioa_state & UIOA_ENABLED) { \ 70*bbc000e5SAnders Persson (sodp)->sod_uioa.uioa_state &= UIOA_CLR; \ 71*bbc000e5SAnders Persson (sodp)->sod_uioa.uioa_state |= UIOA_FINI; \ 72*bbc000e5SAnders Persson } \ 73*bbc000e5SAnders Persson } 74*bbc000e5SAnders Persson 75*bbc000e5SAnders Persson struct sonode; 76*bbc000e5SAnders Persson struct sodirect_s; 77*bbc000e5SAnders Persson 78*bbc000e5SAnders Persson extern uio_t *sod_rcv_init(struct sonode *, int, struct uio **); 79*bbc000e5SAnders Persson extern int sod_rcv_done(struct sonode *, struct uio *, struct uio *); 80*bbc000e5SAnders Persson 81*bbc000e5SAnders Persson extern void sod_uioa_mblk_init(struct sodirect_s *, mblk_t *, size_t); 82*bbc000e5SAnders Persson extern void sod_uioa_so_init(struct sonode *, struct sodirect_s *, 83*bbc000e5SAnders Persson struct uio *); 84*bbc000e5SAnders Persson extern ssize_t sod_uioa_mblk(struct sonode *, mblk_t *); 85*bbc000e5SAnders Persson extern void sod_uioa_mblk_done(struct sodirect_s *, mblk_t *); 86*bbc000e5SAnders Persson 87*bbc000e5SAnders Persson extern int sod_init(void); 88*bbc000e5SAnders Persson extern void sod_sock_init(struct sonode *); 89*bbc000e5SAnders Persson extern void sod_sock_fini(struct sonode *); 90*bbc000e5SAnders Persson 91*bbc000e5SAnders Persson #ifdef __cplusplus 92*bbc000e5SAnders Persson } 93*bbc000e5SAnders Persson #endif 94*bbc000e5SAnders Persson 95*bbc000e5SAnders Persson #endif /* _SOCKFS_SODIRECT_H */ 96