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 2010 Sun Microsystems, Inc. All rights reserved. 23 * Use is subject to license terms. 24 */ 25 26 #ifndef _CTLR_SCSI_H 27 #define _CTLR_SCSI_H 28 29 #ifdef __cplusplus 30 extern "C" { 31 #endif 32 33 #include <sys/buf.h> 34 #include <sys/scsi/scsi.h> 35 36 37 /* 38 * Rounded parameter, as returned in Extended Sense information 39 */ 40 #define ROUNDED_PARAMETER 0x37 41 42 /* 43 * Timeout Value during formatting 44 */ 45 #ifndef SHRT_MAX 46 #define SHRT_MAX 32767 47 #endif 48 49 /* 50 * Mode sense/select page header information 51 */ 52 struct scsi_ms_header { 53 struct mode_header mode_header; 54 struct block_descriptor block_descriptor; 55 }; 56 57 /* 58 * Mode Sense Page Control 59 */ 60 #define MODE_SENSE_PC_CURRENT (0 << 6) 61 #define MODE_SENSE_PC_CHANGEABLE (1 << 6) 62 #define MODE_SENSE_PC_DEFAULT (2 << 6) 63 #define MODE_SENSE_PC_SAVED (3 << 6) 64 65 /* 66 * Mode Select options 67 */ 68 #define MODE_SELECT_SP 0x01 69 #define MODE_SELECT_PF 0x10 70 71 72 73 /* 74 * Minimum length of Request Sense data that we can accept 75 */ 76 #define MIN_REQUEST_SENSE_LEN 18 77 78 /* 79 * "impossible" status value 80 */ 81 #define IMPOSSIBLE_SCSI_STATUS 0xff 82 83 /* 84 * Convert a three-byte triplet into an int 85 */ 86 #define TRIPLET(u, m, l) ((int)((((u))&0xff<<16) + \ 87 (((m)&0xff)<<8) + (l&0xff))) 88 89 /* 90 * Define the amount of slop we can tolerate on a SCSI-2 mode sense. 91 * Usually we try to deal with just the common subset between the 92 * the SCSI-2 structure and the CCS structure. The length of the 93 * data returned can vary between targets, so being tolerant gives 94 * gives us a higher chance of success. 95 */ 96 #define PAGE1_SLOP 5 97 #define PAGE2_SLOP 6 98 #define PAGE3_SLOP 3 99 #define PAGE4_SLOP 8 100 #define PAGE8_SLOP 8 101 #define PAGE38_SLOP 8 102 103 /* 104 * Minimum lengths of a particular SCSI-2 mode sense page that 105 * we can deal with. We must reject anything less than this. 106 */ 107 #define MIN_PAGE1_LEN (sizeof (struct mode_err_recov)-PAGE1_SLOP) 108 #define MIN_PAGE2_LEN (sizeof (struct mode_disco_reco)-PAGE2_SLOP) 109 #define MIN_PAGE3_LEN (sizeof (struct mode_format)-PAGE3_SLOP) 110 #define MIN_PAGE4_LEN (sizeof (struct mode_geometry)-PAGE4_SLOP) 111 #define MIN_PAGE8_LEN (sizeof (struct mode_cache)-PAGE8_SLOP) 112 #define MIN_PAGE38_LEN (sizeof (struct mode_cache_ccs)-PAGE38_SLOP) 113 114 /* 115 * Macro to extract the length of a mode sense page 116 * as returned by a target. 117 */ 118 #define MODESENSE_PAGE_LEN(p) (((int)((struct mode_page *)p)->length) + \ 119 sizeof (struct mode_page)) 120 121 /* 122 * Request this number of bytes for all mode senses. Since the 123 * data returned is self-defining, we can accept anywhere from 124 * the minimum for a particular page, up to this maximum. 125 * Whatever the drive gives us, we return to the drive, delta'ed 126 * by whatever we want to change. 127 */ 128 #define MAX_MODE_SENSE_SIZE 255 129 130 131 #ifdef __STDC__ 132 /* 133 * Local prototypes for ANSI C compilers 134 */ 135 int scsi_rdwr(int, int, diskaddr_t, int, caddr_t, int, int *); 136 int scsi_ex_man(struct defect_list *); 137 int scsi_ex_cur(struct defect_list *); 138 int scsi_ex_grown(struct defect_list *); 139 int uscsi_cmd(int, struct uscsi_cmd *, int); 140 int uscsi_mode_sense(int, int, int, caddr_t, int, 141 struct scsi_ms_header *); 142 int uscsi_mode_select(int, int, int, caddr_t, int, 143 struct scsi_ms_header *); 144 int uscsi_inquiry(int, caddr_t, int); 145 int uscsi_read_capacity(int, struct scsi_capacity_16 *); 146 int scsi_translate(int, struct scsi_bfi_defect *); 147 int scsi_dump_mode_sense_pages(int); 148 int scsi_supported_page(int); 149 int apply_chg_list(int, int, uchar_t *, uchar_t *, struct chg_list *); 150 int scsi_format_time(void); 151 152 #else 153 154 #ifdef sparc 155 int scsi_ms_page1(); 156 int scsi_ms_page2(); 157 int scsi_ms_page3(); 158 int scsi_ms_page4(); 159 int scsi_read_defect_data(); 160 int scsi_repair(); 161 #endif /* sparc */ 162 163 int scsi_rdwr(); 164 int scsi_ck_format(); 165 int scsi_ex_man(); 166 int scsi_ex_cur(); 167 int scsi_ex_grown(); 168 int uscsi_cmd(); 169 int uscsi_mode_sense(); 170 int uscsi_mode_select(); 171 int uscsi_inquiry(); 172 int uscsi_read_capacity(); 173 int scsi_translate(); 174 int scsi_dump_mode_sense_pages(); 175 int scsi_supported_page(); 176 int apply_chg_list(); 177 int scsi_format_time(); 178 179 #endif /* __STDC__ */ 180 181 #ifdef __cplusplus 182 } 183 #endif 184 185 #endif /* _CTLR_SCSI_H */ 186