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 (c) 1993, 2010, Oracle and/or its affiliates. All rights reserved. 23 */ 24 25 #ifndef _CTLR_SCSI_H 26 #define _CTLR_SCSI_H 27 28 #ifdef __cplusplus 29 extern "C" { 30 #endif 31 32 #include <sys/buf.h> 33 #include <sys/scsi/scsi.h> 34 35 36 /* 37 * Rounded parameter, as returned in Extended Sense information 38 */ 39 #define ROUNDED_PARAMETER 0x37 40 41 /* 42 * Timeout Value during formatting 43 */ 44 #ifndef SHRT_MAX 45 #define SHRT_MAX 32767 46 #endif 47 48 /* 49 * Mode sense/select page header information 50 */ 51 struct scsi_ms_header { 52 struct mode_header mode_header; 53 struct block_descriptor block_descriptor; 54 }; 55 56 /* 57 * Mode Sense Page Control 58 */ 59 #define MODE_SENSE_PC_CURRENT (0 << 6) 60 #define MODE_SENSE_PC_CHANGEABLE (1 << 6) 61 #define MODE_SENSE_PC_DEFAULT (2 << 6) 62 #define MODE_SENSE_PC_SAVED (3 << 6) 63 64 /* 65 * Mode Select options 66 */ 67 #define MODE_SELECT_SP 0x01 68 #define MODE_SELECT_PF 0x10 69 70 71 72 /* 73 * Minimum length of Request Sense data that we can accept 74 */ 75 #define MIN_REQUEST_SENSE_LEN 18 76 77 /* 78 * "impossible" status value 79 */ 80 #define IMPOSSIBLE_SCSI_STATUS 0xff 81 82 /* 83 * Convert a three-byte triplet into an int 84 */ 85 #define TRIPLET(u, m, l) ((int)((((u))&0xff<<16) + \ 86 (((m)&0xff)<<8) + (l&0xff))) 87 88 /* 89 * Define the amount of slop we can tolerate on a SCSI-2 mode sense. 90 * Usually we try to deal with just the common subset between the 91 * the SCSI-2 structure and the CCS structure. The length of the 92 * data returned can vary between targets, so being tolerant gives 93 * gives us a higher chance of success. 94 */ 95 #define PAGE1_SLOP 5 96 #define PAGE2_SLOP 6 97 #define PAGE3_SLOP 3 98 #define PAGE4_SLOP 8 99 #define PAGE8_SLOP 8 100 #define PAGE38_SLOP 8 101 102 /* 103 * Minimum lengths of a particular SCSI-2 mode sense page that 104 * we can deal with. We must reject anything less than this. 105 */ 106 #define MIN_PAGE1_LEN (sizeof (struct mode_err_recov)-PAGE1_SLOP) 107 #define MIN_PAGE2_LEN (sizeof (struct mode_disco_reco)-PAGE2_SLOP) 108 #define MIN_PAGE3_LEN (sizeof (struct mode_format)-PAGE3_SLOP) 109 #define MIN_PAGE4_LEN (sizeof (struct mode_geometry)-PAGE4_SLOP) 110 #define MIN_PAGE8_LEN (sizeof (struct mode_cache)-PAGE8_SLOP) 111 #define MIN_PAGE38_LEN (sizeof (struct mode_cache_ccs)-PAGE38_SLOP) 112 113 /* 114 * Macro to extract the length of a mode sense page 115 * as returned by a target. 116 */ 117 #define MODESENSE_PAGE_LEN(p) (((int)((struct mode_page *)p)->length) + \ 118 sizeof (struct mode_page)) 119 120 /* 121 * Request this number of bytes for all mode senses. Since the 122 * data returned is self-defining, we can accept anywhere from 123 * the minimum for a particular page, up to this maximum. 124 * Whatever the drive gives us, we return to the drive, delta'ed 125 * by whatever we want to change. 126 */ 127 #define MAX_MODE_SENSE_SIZE 255 128 129 int scsi_rdwr(int, int, diskaddr_t, int, caddr_t, int, int *); 130 int scsi_ex_man(struct defect_list *); 131 int scsi_ex_cur(struct defect_list *); 132 int scsi_ex_grown(struct defect_list *); 133 int uscsi_cmd(int, struct uscsi_cmd *, int); 134 int uscsi_mode_sense(int, int, int, caddr_t, int, 135 struct scsi_ms_header *); 136 int uscsi_mode_select(int, int, int, caddr_t, int, 137 struct scsi_ms_header *); 138 int uscsi_inquiry(int, caddr_t, int); 139 int uscsi_inquiry_page_86h(int, caddr_t, int); 140 int uscsi_read_capacity(int, struct scsi_capacity_16 *); 141 int uscsi_read_capacity_16(int, struct scsi_capacity_16 *); 142 int scsi_translate(int, struct scsi_bfi_defect *); 143 int scsi_dump_mode_sense_pages(int); 144 int scsi_supported_page(int); 145 int apply_chg_list(int, int, uchar_t *, uchar_t *, struct chg_list *); 146 int scsi_format_time(void); 147 uint8_t get_cur_protection_type(struct scsi_capacity_16 *); 148 149 #ifdef __cplusplus 150 } 151 #endif 152 153 #endif /* _CTLR_SCSI_H */ 154