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 2007 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 #pragma ident "%Z%%M% %I% %E% SMI" 31 32 #include <sys/types.h> 33 #include <sys/scsi/scsi.h> 34 35 #ifdef __cplusplus 36 extern "C" { 37 #endif 38 39 #if defined(_KERNEL) 40 41 /* 42 * smp_open_flag: field indicating open smp instance. 43 * 0 = closed, 1 = shared open, 2 = exclusive open. 44 */ 45 #define SMP_CLOSED 0 46 #define SMP_SOPENED 1 47 #define SMP_EXOPENED 2 48 49 typedef struct smp_state { 50 struct smp_device *smp_dev; /* pointer to smp_device */ 51 kmutex_t smp_mutex; /* mutex */ 52 uint32_t smp_open_flag; /* open flag */ 53 uint32_t smp_open_ref; /* shared open count */ 54 } smp_state_t; 55 56 #define SMP_ESTIMATED_NUM_DEVS 4 /* for soft-state allocation */ 57 #define SMP_DEFAULT_RETRY_TIMES 3 58 59 #define SMP_FLAG_REQBUF 0x1 60 #define SMP_FLAG_RSPBUF 0x2 61 #define SMP_FLAG_XFER 0x4 62 63 #endif /* defined(_KERNEL) */ 64 65 66 #ifdef __cplusplus 67 } 68 #endif 69 70 #endif /* _SYS_SCSI_TARGETS_SMP_H */ 71