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 (the "License"). 6 * You may not use this file except in compliance with the License. 7 * 8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 9 * or http://www.opensolaris.org/os/licensing. 10 * See the License for the specific language governing permissions 11 * and limitations under the License. 12 * 13 * When distributing Covered Code, include this CDDL HEADER in each 14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 15 * If applicable, add the following below this CDDL HEADER, with the 16 * fields enclosed by brackets "[]" replaced with your own identifying 17 * information: Portions Copyright [yyyy] [name of copyright owner] 18 * 19 * CDDL HEADER END 20 */ 21 22 /* 23 * Copyright 2009 Sun Microsystems, Inc. All rights reserved. 24 * Use is subject to license terms. 25 */ 26 27 #ifndef _SYS_SCSI_TARGETS_SMP_H 28 #define _SYS_SCSI_TARGETS_SMP_H 29 30 #include <sys/types.h> 31 #include <sys/scsi/scsi.h> 32 33 #ifdef __cplusplus 34 extern "C" { 35 #endif 36 37 #if defined(_KERNEL) 38 39 /* 40 * smp_open_flag: field indicating open smp instance. 41 * 0 = closed, 1 = shared open, 2 = exclusive open. 42 */ 43 #define SMP_CLOSED 0 44 #define SMP_SOPENED 1 45 #define SMP_EXOPENED 2 46 47 typedef struct smp_state { 48 struct smp_device *smp_sd; /* pointer to smp_device */ 49 kmutex_t smp_mutex; /* mutex */ 50 uint32_t smp_open_flag; /* open flag */ 51 kcondvar_t smp_cv; /* condition variable */ 52 uint32_t smp_busy; /* busy */ 53 } smp_state_t; 54 55 #define SMP_ESTIMATED_NUM_DEVS 4 /* for soft-state allocation */ 56 #define SMP_DEFAULT_RETRY_TIMES 5 57 58 #define SMP_FLAG_REQBUF 0x1 59 #define SMP_FLAG_RSPBUF 0x2 60 #define SMP_FLAG_XFER 0x4 61 62 #endif /* defined(_KERNEL) */ 63 64 65 #ifdef __cplusplus 66 } 67 #endif 68 69 #endif /* _SYS_SCSI_TARGETS_SMP_H */ 70