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 * Copyright 2008 Sun Microsystems, Inc. All rights reserved. 23 * Use is subject to license terms. 24 */ 25 26 #ifndef _SYS_SCSI_GENERIC_STATUS_H 27 #define _SYS_SCSI_GENERIC_STATUS_H 28 29 #pragma ident "%Z%%M% %I% %E% SMI" 30 31 #ifdef __cplusplus 32 extern "C" { 33 #endif 34 35 /* 36 * SCSI status completion block 37 * 38 * The SCSI standard specifies one byte of status. 39 */ 40 41 /* 42 * The definition of of the Status block as a bitfield 43 */ 44 45 struct scsi_status { 46 #if defined(_BIT_FIELDS_LTOH) 47 uchar_t sts_vu0 : 1, /* vendor unique */ 48 sts_chk : 1, /* check condition */ 49 sts_cm : 1, /* condition met */ 50 sts_busy : 1, /* device busy or reserved */ 51 sts_is : 1, /* intermediate status sent */ 52 sts_vu6 : 1, /* vendor unique */ 53 sts_vu7 : 1, /* vendor unique */ 54 sts_resvd : 1; /* reserved */ 55 #elif defined(_BIT_FIELDS_HTOL) 56 uchar_t sts_resvd : 1, /* reserved */ 57 sts_vu7 : 1, /* vendor unique */ 58 sts_vu6 : 1, /* vendor unique */ 59 sts_is : 1, /* intermediate status sent */ 60 sts_busy : 1, /* device busy or reserved */ 61 sts_cm : 1, /* condition met */ 62 sts_chk : 1, /* check condition */ 63 sts_vu0 : 1; /* vendor unique */ 64 #else 65 #error One of _BIT_FIELDS_LTOH or _BIT_FIELDS_HTOL must be defined 66 #endif /* _BIT_FIELDS_LTOH */ 67 }; 68 #define sts_scsi2 sts_vu6 /* SCSI modifier bit */ 69 70 /* 71 * if auto request sense has been enabled, then use this structure 72 */ 73 struct scsi_arq_status { 74 struct scsi_status sts_status; 75 struct scsi_status sts_rqpkt_status; 76 uchar_t sts_rqpkt_reason; /* reason completion */ 77 uchar_t sts_rqpkt_resid; /* residue */ 78 uint_t sts_rqpkt_state; /* state of command */ 79 uint_t sts_rqpkt_statistics; /* statistics */ 80 struct scsi_extended_sense sts_sensedata; 81 }; 82 83 #define SECMDS_STATUS_SIZE (sizeof (struct scsi_arq_status)) 84 85 /* 86 * Bit Mask definitions, for use accessing the status as a byte. 87 */ 88 89 #define STATUS_MASK 0x3E 90 #define STATUS_GOOD 0x00 91 #define STATUS_CHECK 0x02 92 #define STATUS_MET 0x04 93 #define STATUS_BUSY 0x08 94 #define STATUS_INTERMEDIATE 0x10 95 #define STATUS_SCSI2 0x20 96 #define STATUS_INTERMEDIATE_MET 0x14 97 #define STATUS_RESERVATION_CONFLICT 0x18 98 #define STATUS_TERMINATED 0x22 99 #define STATUS_QFULL 0x28 100 #define STATUS_ACA_ACTIVE 0x30 101 #define STATUS_TASK_ABORT 0x40 102 103 #ifdef __cplusplus 104 } 105 #endif 106 107 /* 108 * Some deviations from the one byte of Status are known. Each 109 * implementation will define them specifically 110 */ 111 112 #include <sys/scsi/impl/status.h> 113 114 #endif /* _SYS_SCSI_GENERIC_STATUS_H */ 115