1 /* $NetBSD: sdvar.h,v 1.1 2010/10/14 06:58:22 kiyohara Exp $ */ 2 /* 3 * Copyright (c) 2010 KIYOHARA Takashi 4 * All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 1. Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 16 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 17 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 18 * DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, 19 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 20 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR 21 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 22 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, 23 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN 24 * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 25 * POSSIBILITY OF SUCH DAMAGE. 26 */ 27 28 #ifndef _STAND_SDVAR_H 29 #define _STAND_SDVAR_H 30 31 #include <dev/ic/siopreg.h> 32 #include <dev/pci/pcireg.h> 33 #include <dev/scsipi/scsipiconf.h> 34 #include <dev/scsipi/scsipi_all.h> 35 #include <dev/scsipi/scsipi_disk.h> 36 #include <dev/scsipi/scsi_all.h> 37 #include <dev/scsipi/scsi_disk.h> 38 #include <dev/scsipi/scsi_message.h> 39 #include <dev/scsipi/scsi_spc.h> 40 41 #include <sys/disklabel.h> 42 #include <sys/bootblock.h> 43 44 45 /* tables used by SCRIPT */ 46 typedef struct scr_table { 47 uint32_t count; 48 uint32_t addr; 49 } __packed scr_table_t; 50 51 /* Number of scatter/gather entries */ 52 #define SIOP_NSG (0x10000/0x1000 + 1) /* XXX PAGE_SIZE */ 53 /* 54 * This structure interfaces the SCRIPT with the driver; it describes a full 55 * transfer. 56 * If you change something here, don't forget to update offsets in {s,es}iop.ss 57 */ 58 struct siop_common_xfer { 59 uint8_t msg_out[16]; /* 0 */ 60 uint8_t msg_in[16]; /* 16 */ 61 uint32_t status; /* 32 */ 62 uint32_t pad1; /* 36 */ 63 uint32_t id; /* 40 */ 64 uint32_t pad2; /* 44 */ 65 scr_table_t t_msgin; /* 48 */ 66 scr_table_t t_extmsgin; /* 56 */ 67 scr_table_t t_extmsgdata; /* 64 */ 68 scr_table_t t_msgout; /* 72 */ 69 scr_table_t cmd; /* 80 */ 70 scr_table_t t_status; /* 88 */ 71 scr_table_t data[SIOP_NSG]; /* 96 */ 72 } __packed; 73 74 /* status can hold the SCSI_* status values, and 2 additional values: */ 75 #define SCSI_SIOP_NOCHECK 0xfe /* don't check the scsi status */ 76 #define SCSI_SIOP_NOSTATUS 0xff /* device didn't report status */ 77 78 79 /* 80 * xfer description of the script: tables and reselect script 81 * In struct siop_common_cmd siop_xfer will point to this. 82 */ 83 struct siop_xfer { 84 struct siop_common_xfer siop_tables; 85 /* uint32_t resel[sizeof(load_dsa) / sizeof(load_dsa[0])]; */ 86 uint32_t resel[25]; 87 } __packed; 88 89 90 #define SIOP_SCRIPT_SIZE 4096 91 #define SIOP_TABLE_SIZE 4096 92 #define SIOP_SCSI_COMMAND_SIZE 4096 93 #define SIOP_SCSI_DATA_SIZE 4096 94 95 struct scsi_xfer { 96 int target; 97 int lun; 98 struct scsipi_generic *cmd; 99 int cmdlen; 100 u_char *data; 101 int datalen; 102 int resid; 103 scsipi_xfer_result_t error; 104 uint8_t status; /* SCSI status */ 105 int xs_status; 106 }; 107 108 struct sd_softc; 109 struct siop_adapter { 110 int id; 111 u_long addr; /* register map address */ 112 int clock_div; 113 uint32_t *script; /* script addr */ 114 struct siop_xfer *xfer; /* xfer addr */ 115 struct scsipi_generic *cmd; /* SCSI command buffer */ 116 struct scsi_request_sense *sense; /* SCSI sense buffer */ 117 u_char *data; /* SCSI data buffer */ 118 119 struct scsi_xfer *xs; 120 121 int currschedslot; /* current scheduler slot */ 122 123 int sel_t; /* selected target */ 124 struct sd_softc *sd; 125 }; 126 127 struct sd_softc { 128 int sc_part; 129 int sc_lun; 130 int sc_target; 131 int sc_bus; 132 133 int sc_type; 134 int sc_cap; 135 int sc_flags; 136 #define FLAGS_MEDIA_LOADED (1 << 0) 137 #define FLAGS_REMOVABLE (1 << 1) 138 139 struct disk_parms { 140 u_long heads; /* number of heads */ 141 u_long cyls; /* number of cylinders */ 142 u_long sectors; /* number of sectors/track */ 143 u_long blksize; /* number of bytes/sector */ 144 u_long rot_rate; /* rotational rate, in RPM */ 145 u_int64_t disksize; /* total number sectors */ 146 u_int64_t disksize512; /* total number sectors */ 147 } sc_params; 148 struct disklabel sc_label; 149 }; 150 151 int siop_init(int, int, int); 152 int scsi_inquire(struct sd_softc *, int, void *); 153 int scsi_mode_sense(struct sd_softc *, int, int, 154 struct scsi_mode_parameter_header_6 *, int); 155 int scsi_command(struct sd_softc *, void *, int, void *, int); 156 157 158 #define SDGP_RESULT_OK 0 /* parameters obtained */ 159 #define SDGP_RESULT_OFFLINE 1 /* no media, or otherwise losing */ 160 #define SDGP_RESULT_UNFORMATTED 2 /* unformatted media (max params) */ 161 162 #define ERESTART -1 163 164 #endif /* _STAND_SDVAR_H */ 165