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