trm.c revision 1.6.2.2
1 1.6.2.2 thorpej /* $NetBSD: trm.c,v 1.6.2.2 2002/01/10 19:57:07 thorpej Exp $ */ 2 1.6.2.2 thorpej /* 3 1.6.2.2 thorpej * Device Driver for Tekram DC395U/UW/F, DC315/U 4 1.6.2.2 thorpej * PCI SCSI Bus Master Host Adapter 5 1.6.2.2 thorpej * (SCSI chip set used Tekram ASIC TRM-S1040) 6 1.6.2.2 thorpej * 7 1.6.2.2 thorpej * Copyright (c) 2001 Rui-Xiang Guo 8 1.6.2.2 thorpej * All rights reserved. 9 1.6.2.2 thorpej * 10 1.6.2.2 thorpej * Redistribution and use in source and binary forms, with or without 11 1.6.2.2 thorpej * modification, are permitted provided that the following conditions 12 1.6.2.2 thorpej * are met: 13 1.6.2.2 thorpej * 1. Redistributions of source code must retain the above copyright 14 1.6.2.2 thorpej * notice, this list of conditions and the following disclaimer. 15 1.6.2.2 thorpej * 2. Redistributions in binary form must reproduce the above copyright 16 1.6.2.2 thorpej * notice, this list of conditions and the following disclaimer in the 17 1.6.2.2 thorpej * documentation and/or other materials provided with the distribution. 18 1.6.2.2 thorpej * 3. The name of the author may not be used to endorse or promote products 19 1.6.2.2 thorpej * derived from this software without specific prior written permission. 20 1.6.2.2 thorpej * 21 1.6.2.2 thorpej * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 22 1.6.2.2 thorpej * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 23 1.6.2.2 thorpej * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 24 1.6.2.2 thorpej * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 25 1.6.2.2 thorpej * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 26 1.6.2.2 thorpej * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 27 1.6.2.2 thorpej * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 28 1.6.2.2 thorpej * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 29 1.6.2.2 thorpej * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 30 1.6.2.2 thorpej * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 31 1.6.2.2 thorpej */ 32 1.6.2.2 thorpej /* 33 1.6.2.2 thorpej * Ported from 34 1.6.2.2 thorpej * dc395x_trm.c 35 1.6.2.2 thorpej * 36 1.6.2.2 thorpej * Written for NetBSD 1.4.x by 37 1.6.2.2 thorpej * Erich Chen (erich (at) tekram.com.tw) 38 1.6.2.2 thorpej * 39 1.6.2.2 thorpej * Provided by 40 1.6.2.2 thorpej * (C)Copyright 1995-1999 Tekram Technology Co., Ltd. All rights reserved. 41 1.6.2.2 thorpej */ 42 1.6.2.2 thorpej 43 1.6.2.2 thorpej #include <sys/cdefs.h> 44 1.6.2.2 thorpej __KERNEL_RCSID(0, "$NetBSD: trm.c,v 1.6.2.2 2002/01/10 19:57:07 thorpej Exp $"); 45 1.6.2.2 thorpej 46 1.6.2.2 thorpej /* #define TRM_DEBUG */ 47 1.6.2.2 thorpej 48 1.6.2.2 thorpej #include <sys/param.h> 49 1.6.2.2 thorpej #include <sys/systm.h> 50 1.6.2.2 thorpej #include <sys/malloc.h> 51 1.6.2.2 thorpej #include <sys/buf.h> 52 1.6.2.2 thorpej #include <sys/kernel.h> 53 1.6.2.2 thorpej #include <sys/device.h> 54 1.6.2.2 thorpej 55 1.6.2.2 thorpej #include <machine/bus.h> 56 1.6.2.2 thorpej #include <machine/intr.h> 57 1.6.2.2 thorpej 58 1.6.2.2 thorpej #include <uvm/uvm_extern.h> 59 1.6.2.2 thorpej 60 1.6.2.2 thorpej #include <dev/scsipi/scsi_all.h> 61 1.6.2.2 thorpej #include <dev/scsipi/scsi_message.h> 62 1.6.2.2 thorpej #include <dev/scsipi/scsipi_all.h> 63 1.6.2.2 thorpej #include <dev/scsipi/scsiconf.h> 64 1.6.2.2 thorpej 65 1.6.2.2 thorpej #include <dev/pci/pcidevs.h> 66 1.6.2.2 thorpej #include <dev/pci/pcireg.h> 67 1.6.2.2 thorpej #include <dev/pci/pcivar.h> 68 1.6.2.2 thorpej #include <dev/pci/trmreg.h> 69 1.6.2.2 thorpej 70 1.6.2.2 thorpej /* 71 1.6.2.2 thorpej * feature of chip set MAX value 72 1.6.2.2 thorpej */ 73 1.6.2.2 thorpej #define TRM_MAX_TARGETS 16 74 1.6.2.2 thorpej #define TRM_MAX_SG_ENTRIES (MAXPHYS / PAGE_SIZE + 1) 75 1.6.2.2 thorpej #define TRM_MAX_SRB 32 76 1.6.2.2 thorpej 77 1.6.2.2 thorpej /* 78 1.6.2.2 thorpej * Segment Entry 79 1.6.2.2 thorpej */ 80 1.6.2.2 thorpej struct trm_sg_entry { 81 1.6.2.2 thorpej u_int32_t address; 82 1.6.2.2 thorpej u_int32_t length; 83 1.6.2.2 thorpej }; 84 1.6.2.2 thorpej 85 1.6.2.2 thorpej #define TRM_SG_SIZE (sizeof(struct trm_sg_entry) * TRM_MAX_SG_ENTRIES) 86 1.6.2.2 thorpej 87 1.6.2.2 thorpej /* 88 1.6.2.2 thorpej ********************************************************************** 89 1.6.2.2 thorpej * The SEEPROM structure for TRM_S1040 90 1.6.2.2 thorpej ********************************************************************** 91 1.6.2.2 thorpej */ 92 1.6.2.2 thorpej struct nvram_target { 93 1.6.2.2 thorpej u_int8_t config0; /* Target configuration byte 0 */ 94 1.6.2.2 thorpej #define NTC_DO_WIDE_NEGO 0x20 /* Wide negotiate */ 95 1.6.2.2 thorpej #define NTC_DO_TAG_QUEUING 0x10 /* Enable SCSI tag queuing */ 96 1.6.2.2 thorpej #define NTC_DO_SEND_START 0x08 /* Send start command SPINUP */ 97 1.6.2.2 thorpej #define NTC_DO_DISCONNECT 0x04 /* Enable SCSI disconnect */ 98 1.6.2.2 thorpej #define NTC_DO_SYNC_NEGO 0x02 /* Sync negotiation */ 99 1.6.2.2 thorpej #define NTC_DO_PARITY_CHK 0x01 /* Parity check enable */ 100 1.6.2.2 thorpej u_int8_t period; /* Target period */ 101 1.6.2.2 thorpej u_int8_t config2; /* Target configuration byte 2 */ 102 1.6.2.2 thorpej u_int8_t config3; /* Target configuration byte 3 */ 103 1.6.2.2 thorpej }; 104 1.6.2.2 thorpej 105 1.6.2.2 thorpej struct trm_nvram { 106 1.6.2.2 thorpej u_int8_t subvendor_id[2]; /* 0,1 Sub Vendor ID */ 107 1.6.2.2 thorpej u_int8_t subsys_id[2]; /* 2,3 Sub System ID */ 108 1.6.2.2 thorpej u_int8_t subclass; /* 4 Sub Class */ 109 1.6.2.2 thorpej u_int8_t vendor_id[2]; /* 5,6 Vendor ID */ 110 1.6.2.2 thorpej u_int8_t device_id[2]; /* 7,8 Device ID */ 111 1.6.2.2 thorpej u_int8_t reserved0; /* 9 Reserved */ 112 1.6.2.2 thorpej struct nvram_target target[TRM_MAX_TARGETS]; 113 1.6.2.2 thorpej /* 10,11,12,13 114 1.6.2.2 thorpej * 14,15,16,17 115 1.6.2.2 thorpej * .... 116 1.6.2.2 thorpej * 70,71,72,73 */ 117 1.6.2.2 thorpej u_int8_t scsi_id; /* 74 Host Adapter SCSI ID */ 118 1.6.2.2 thorpej u_int8_t channel_cfg; /* 75 Channel configuration */ 119 1.6.2.2 thorpej #define NAC_SCANLUN 0x20 /* Include LUN as BIOS device */ 120 1.6.2.2 thorpej #define NAC_DO_PARITY_CHK 0x08 /* Parity check enable */ 121 1.6.2.2 thorpej #define NAC_POWERON_SCSI_RESET 0x04 /* Power on reset enable */ 122 1.6.2.2 thorpej #define NAC_GREATER_1G 0x02 /* > 1G support enable */ 123 1.6.2.2 thorpej #define NAC_GT2DRIVES 0x01 /* Support more than 2 drives */ 124 1.6.2.2 thorpej u_int8_t delay_time; /* 76 Power on delay time */ 125 1.6.2.2 thorpej u_int8_t max_tag; /* 77 Maximum tags */ 126 1.6.2.2 thorpej u_int8_t reserved1; /* 78 */ 127 1.6.2.2 thorpej u_int8_t boot_target; /* 79 */ 128 1.6.2.2 thorpej u_int8_t boot_lun; /* 80 */ 129 1.6.2.2 thorpej u_int8_t reserved2; /* 81 */ 130 1.6.2.2 thorpej u_int8_t reserved3[44]; /* 82,..125 */ 131 1.6.2.2 thorpej u_int8_t checksum0; /* 126 */ 132 1.6.2.2 thorpej u_int8_t checksum1; /* 127 */ 133 1.6.2.2 thorpej #define TRM_NVRAM_CKSUM 0x1234 134 1.6.2.2 thorpej }; 135 1.6.2.2 thorpej 136 1.6.2.2 thorpej /* Nvram Initiater bits definition */ 137 1.6.2.2 thorpej #define MORE2_DRV 0x00000001 138 1.6.2.2 thorpej #define GREATER_1G 0x00000002 139 1.6.2.2 thorpej #define RST_SCSI_BUS 0x00000004 140 1.6.2.2 thorpej #define ACTIVE_NEGATION 0x00000008 141 1.6.2.2 thorpej #define NO_SEEK 0x00000010 142 1.6.2.2 thorpej #define LUN_CHECK 0x00000020 143 1.6.2.2 thorpej 144 1.6.2.2 thorpej #define trm_wait_30us() DELAY(30) 145 1.6.2.2 thorpej 146 1.6.2.2 thorpej /* 147 1.6.2.2 thorpej *----------------------------------------------------------------------- 148 1.6.2.2 thorpej * SCSI Request Block 149 1.6.2.2 thorpej *----------------------------------------------------------------------- 150 1.6.2.2 thorpej */ 151 1.6.2.2 thorpej struct trm_srb { 152 1.6.2.2 thorpej struct trm_srb *next; 153 1.6.2.2 thorpej struct trm_dcb *dcb; 154 1.6.2.2 thorpej 155 1.6.2.2 thorpej struct trm_sg_entry *sgentry; 156 1.6.2.2 thorpej struct scsipi_xfer *xs; /* scsipi_xfer for this cmd */ 157 1.6.2.2 thorpej bus_dmamap_t dmap; 158 1.6.2.2 thorpej bus_size_t sgoffset; /* Xfer buf offset */ 159 1.6.2.2 thorpej 160 1.6.2.2 thorpej u_int32_t buflen; /* Total xfer length */ 161 1.6.2.2 thorpej u_int32_t sgaddr; /* SGList physical starting address */ 162 1.6.2.2 thorpej 163 1.6.2.2 thorpej u_int state; /* SRB State */ 164 1.6.2.2 thorpej #define SRB_FREE 0x0000 165 1.6.2.2 thorpej #define SRB_WAIT 0x0001 166 1.6.2.2 thorpej #define SRB_READY 0x0002 167 1.6.2.2 thorpej #define SRB_MSGOUT 0x0004 /* arbitration+msg_out 1st byte */ 168 1.6.2.2 thorpej #define SRB_MSGIN 0x0008 169 1.6.2.2 thorpej #define SRB_EXTEND_MSGIN 0x0010 170 1.6.2.2 thorpej #define SRB_COMMAND 0x0020 171 1.6.2.2 thorpej #define SRB_START_ 0x0040 /* arbitration+msg_out+command_out */ 172 1.6.2.2 thorpej #define SRB_DISCONNECT 0x0080 173 1.6.2.2 thorpej #define SRB_DATA_XFER 0x0100 174 1.6.2.2 thorpej #define SRB_XFERPAD 0x0200 175 1.6.2.2 thorpej #define SRB_STATUS 0x0400 176 1.6.2.2 thorpej #define SRB_COMPLETED 0x0800 177 1.6.2.2 thorpej #define SRB_ABORT_SENT 0x1000 178 1.6.2.2 thorpej #define SRB_DO_SYNC_NEGO 0x2000 179 1.6.2.2 thorpej #define SRB_DO_WIDE_NEGO 0x4000 180 1.6.2.2 thorpej #define SRB_UNEXPECT_RESEL 0x8000 181 1.6.2.2 thorpej u_int8_t *msg; 182 1.6.2.2 thorpej 183 1.6.2.2 thorpej int sgcnt; 184 1.6.2.2 thorpej int sgindex; 185 1.6.2.2 thorpej 186 1.6.2.2 thorpej int phase; /* SCSI phase */ 187 1.6.2.2 thorpej int hastat; /* Host Adapter Status */ 188 1.6.2.2 thorpej #define H_STATUS_GOOD 0x00 189 1.6.2.2 thorpej #define H_SEL_TIMEOUT 0x11 190 1.6.2.2 thorpej #define H_OVER_UNDER_RUN 0x12 191 1.6.2.2 thorpej #define H_UNEXP_BUS_FREE 0x13 192 1.6.2.2 thorpej #define H_TARGET_PHASE_F 0x14 193 1.6.2.2 thorpej #define H_INVALID_CCB_OP 0x16 194 1.6.2.2 thorpej #define H_LINK_CCB_BAD 0x17 195 1.6.2.2 thorpej #define H_BAD_TARGET_DIR 0x18 196 1.6.2.2 thorpej #define H_DUPLICATE_CCB 0x19 197 1.6.2.2 thorpej #define H_BAD_CCB_OR_SG 0x1A 198 1.6.2.2 thorpej #define H_ABORT 0xFF 199 1.6.2.2 thorpej int tastat; /* Target SCSI Status Byte */ 200 1.6.2.2 thorpej int flag; /* SRBFlag */ 201 1.6.2.2 thorpej #define DATAOUT 0x0080 202 1.6.2.2 thorpej #define DATAIN 0x0040 203 1.6.2.2 thorpej #define RESIDUAL_VALID 0x0020 204 1.6.2.2 thorpej #define ENABLE_TIMER 0x0010 205 1.6.2.2 thorpej #define RESET_DEV0 0x0004 206 1.6.2.2 thorpej #define ABORT_DEV 0x0002 207 1.6.2.2 thorpej #define AUTO_REQSENSE 0x0001 208 1.6.2.2 thorpej int srbstat; /* SRB Status */ 209 1.6.2.2 thorpej #define SRB_OK 0x01 210 1.6.2.2 thorpej #define ABORTION 0x02 211 1.6.2.2 thorpej #define OVER_RUN 0x04 212 1.6.2.2 thorpej #define UNDER_RUN 0x08 213 1.6.2.2 thorpej #define PARITY_ERROR 0x10 214 1.6.2.2 thorpej #define SRB_ERROR 0x20 215 1.6.2.2 thorpej int tagnum; /* Tag number */ 216 1.6.2.2 thorpej int msgcnt; 217 1.6.2.2 thorpej 218 1.6.2.2 thorpej int cmdlen; /* SCSI command length */ 219 1.6.2.2 thorpej u_int8_t cmd[12]; /* SCSI command */ 220 1.6.2.2 thorpej 221 1.6.2.2 thorpej u_int8_t msgin[6]; 222 1.6.2.2 thorpej u_int8_t msgout[6]; 223 1.6.2.2 thorpej }; 224 1.6.2.2 thorpej 225 1.6.2.2 thorpej /* 226 1.6.2.2 thorpej *----------------------------------------------------------------------- 227 1.6.2.2 thorpej * Device Control Block 228 1.6.2.2 thorpej *----------------------------------------------------------------------- 229 1.6.2.2 thorpej */ 230 1.6.2.2 thorpej struct trm_dcb { 231 1.6.2.2 thorpej struct trm_dcb *next; 232 1.6.2.2 thorpej 233 1.6.2.2 thorpej struct trm_srb *waitsrb; 234 1.6.2.2 thorpej struct trm_srb *last_waitsrb; 235 1.6.2.2 thorpej 236 1.6.2.2 thorpej struct trm_srb *gosrb; 237 1.6.2.2 thorpej struct trm_srb *last_gosrb; 238 1.6.2.2 thorpej 239 1.6.2.2 thorpej struct trm_srb *actsrb; 240 1.6.2.2 thorpej 241 1.6.2.2 thorpej int gosrb_cnt; 242 1.6.2.2 thorpej u_int maxcmd; /* Max command */ 243 1.6.2.2 thorpej 244 1.6.2.2 thorpej int id; /* SCSI Target ID (SCSI Only) */ 245 1.6.2.2 thorpej int lun; /* SCSI Log. Unit (SCSI Only) */ 246 1.6.2.2 thorpej 247 1.6.2.2 thorpej u_int8_t tagmask; /* Tag mask */ 248 1.6.2.2 thorpej 249 1.6.2.2 thorpej u_int8_t tacfg; /* Target Config */ 250 1.6.2.2 thorpej u_int8_t idmsg; /* Identify Msg */ 251 1.6.2.2 thorpej u_int8_t period; /* Max Period for nego. */ 252 1.6.2.2 thorpej 253 1.6.2.2 thorpej u_int8_t synctl; /* Sync control for reg. */ 254 1.6.2.2 thorpej u_int8_t offset; /* Sync offset for reg. and nego.(low nibble) */ 255 1.6.2.2 thorpej u_int8_t mode; /* Sync mode ? (1 sync):(0 async) */ 256 1.6.2.2 thorpej #define SYNC_NEGO_ENABLE 0x01 257 1.6.2.2 thorpej #define SYNC_NEGO_DONE 0x02 258 1.6.2.2 thorpej #define WIDE_NEGO_ENABLE 0x04 259 1.6.2.2 thorpej #define WIDE_NEGO_DONE 0x08 260 1.6.2.2 thorpej #define EN_TAG_QUEUING 0x10 261 1.6.2.2 thorpej #define EN_ATN_STOP 0x20 262 1.6.2.2 thorpej #define SYNC_NEGO_OFFSET 15 263 1.6.2.2 thorpej u_int8_t flag; 264 1.6.2.2 thorpej #define ABORT_DEV_ 0x01 265 1.6.2.2 thorpej #define SHOW_MESSAGE_ 0x02 266 1.6.2.2 thorpej }; 267 1.6.2.2 thorpej 268 1.6.2.2 thorpej /* 269 1.6.2.2 thorpej *----------------------------------------------------------------------- 270 1.6.2.2 thorpej * Adapter Control Block 271 1.6.2.2 thorpej *----------------------------------------------------------------------- 272 1.6.2.2 thorpej */ 273 1.6.2.2 thorpej struct trm_softc { 274 1.6.2.2 thorpej struct device sc_dev; 275 1.6.2.2 thorpej 276 1.6.2.2 thorpej bus_space_tag_t sc_iot; 277 1.6.2.2 thorpej bus_space_handle_t sc_ioh; 278 1.6.2.2 thorpej bus_dma_tag_t sc_dmat; 279 1.6.2.2 thorpej bus_dmamap_t sc_dmamap; /* Map the control structures */ 280 1.6.2.2 thorpej 281 1.6.2.2 thorpej struct trm_dcb *sc_linkdcb; 282 1.6.2.2 thorpej struct trm_dcb *sc_roundcb; 283 1.6.2.2 thorpej 284 1.6.2.2 thorpej struct trm_dcb *sc_actdcb; 285 1.6.2.2 thorpej struct trm_dcb *sc_dcb[TRM_MAX_TARGETS][8]; 286 1.6.2.2 thorpej 287 1.6.2.2 thorpej struct trm_srb *sc_freesrb; 288 1.6.2.2 thorpej struct trm_srb *sc_srb; /* SRB array */ 289 1.6.2.2 thorpej struct trm_srb sc_tempsrb; 290 1.6.2.2 thorpej 291 1.6.2.2 thorpej struct trm_sg_entry *sc_sglist; 292 1.6.2.2 thorpej 293 1.6.2.2 thorpej int maxid; 294 1.6.2.2 thorpej int maxtag; /* Max Tag number */ 295 1.6.2.2 thorpej /* 296 1.6.2.2 thorpej * Link to the generic SCSI driver 297 1.6.2.2 thorpej */ 298 1.6.2.2 thorpej struct scsipi_channel sc_channel; 299 1.6.2.2 thorpej struct scsipi_adapter sc_adapter; 300 1.6.2.2 thorpej 301 1.6.2.2 thorpej int sc_id; /* Adapter SCSI Target ID */ 302 1.6.2.2 thorpej 303 1.6.2.2 thorpej int devcnt; /* Device Count */ 304 1.6.2.2 thorpej 305 1.6.2.2 thorpej int devflag[TRM_MAX_TARGETS][8]; /* flag of initDCB for device */ 306 1.6.2.2 thorpej 307 1.6.2.2 thorpej int devscan[TRM_MAX_TARGETS][8]; 308 1.6.2.2 thorpej int devscan_end; 309 1.6.2.2 thorpej int cur_offset; /* Current Sync offset */ 310 1.6.2.2 thorpej 311 1.6.2.2 thorpej struct trm_nvram sc_eeprom; 312 1.6.2.2 thorpej int sc_config; 313 1.6.2.2 thorpej #define HCC_WIDE_CARD 0x20 314 1.6.2.2 thorpej #define HCC_SCSI_RESET 0x10 315 1.6.2.2 thorpej #define HCC_PARITY 0x08 316 1.6.2.2 thorpej #define HCC_AUTOTERM 0x04 317 1.6.2.2 thorpej #define HCC_LOW8TERM 0x02 318 1.6.2.2 thorpej #define HCC_UP8TERM 0x01 319 1.6.2.2 thorpej int sc_flag; 320 1.6.2.2 thorpej #define RESET_DEV 0x01 321 1.6.2.2 thorpej #define RESET_DETECT 0x02 322 1.6.2.2 thorpej #define RESET_DONE 0x04 323 1.6.2.2 thorpej }; 324 1.6.2.2 thorpej 325 1.6.2.2 thorpej /* 326 1.6.2.2 thorpej * SCSI Status codes not defined in scsi_all.h 327 1.6.2.2 thorpej */ 328 1.6.2.2 thorpej #define SCSI_COND_MET 0x04 /* Condition Met */ 329 1.6.2.2 thorpej #define SCSI_INTERM_COND_MET 0x14 /* Intermediate condition met */ 330 1.6.2.2 thorpej #define SCSI_UNEXP_BUS_FREE 0xFD /* Unexpect Bus Free */ 331 1.6.2.2 thorpej #define SCSI_BUS_RST_DETECT 0xFE /* Scsi Bus Reset detected */ 332 1.6.2.2 thorpej #define SCSI_SEL_TIMEOUT 0xFF /* Selection Time out */ 333 1.6.2.2 thorpej 334 1.6.2.2 thorpej static void trm_rewait_srb(struct trm_dcb *, struct trm_srb *); 335 1.6.2.2 thorpej static void trm_wait_srb(struct trm_softc *); 336 1.6.2.2 thorpej static void trm_reset_device(struct trm_softc *); 337 1.6.2.2 thorpej static void trm_recover_srb(struct trm_softc *); 338 1.6.2.2 thorpej static int trm_start_scsi(struct trm_softc *, struct trm_dcb *, 339 1.6.2.2 thorpej struct trm_srb *); 340 1.6.2.2 thorpej static int trm_intr(void *); 341 1.6.2.2 thorpej 342 1.6.2.2 thorpej static void trm_dataout_phase0(struct trm_softc *, struct trm_srb *, int *); 343 1.6.2.2 thorpej static void trm_datain_phase0(struct trm_softc *, struct trm_srb *, int *); 344 1.6.2.2 thorpej static void trm_command_phase0(struct trm_softc *, struct trm_srb *, int *); 345 1.6.2.2 thorpej static void trm_status_phase0(struct trm_softc *, struct trm_srb *, int *); 346 1.6.2.2 thorpej static void trm_msgout_phase0(struct trm_softc *, struct trm_srb *, int *); 347 1.6.2.2 thorpej static void trm_msgin_phase0(struct trm_softc *, struct trm_srb *, int *); 348 1.6.2.2 thorpej static void trm_dataout_phase1(struct trm_softc *, struct trm_srb *, int *); 349 1.6.2.2 thorpej static void trm_datain_phase1(struct trm_softc *, struct trm_srb *, int *); 350 1.6.2.2 thorpej static void trm_command_phase1(struct trm_softc *, struct trm_srb *, int *); 351 1.6.2.2 thorpej static void trm_status_phase1(struct trm_softc *, struct trm_srb *, int *); 352 1.6.2.2 thorpej static void trm_msgout_phase1(struct trm_softc *, struct trm_srb *, int *); 353 1.6.2.2 thorpej static void trm_msgin_phase1(struct trm_softc *, struct trm_srb *, int *); 354 1.6.2.2 thorpej static void trm_nop0(struct trm_softc *, struct trm_srb *, int *); 355 1.6.2.2 thorpej static void trm_nop1(struct trm_softc *, struct trm_srb *, int *); 356 1.6.2.2 thorpej 357 1.6.2.2 thorpej static void trm_set_xfer_rate(struct trm_softc *, struct trm_srb *, 358 1.6.2.2 thorpej struct trm_dcb *); 359 1.6.2.2 thorpej static void trm_dataio_xfer(struct trm_softc *, struct trm_srb *, int); 360 1.6.2.2 thorpej static void trm_disconnect(struct trm_softc *); 361 1.6.2.2 thorpej static void trm_reselect(struct trm_softc *); 362 1.6.2.2 thorpej static void trm_srb_done(struct trm_softc *, struct trm_dcb *, 363 1.6.2.2 thorpej struct trm_srb *); 364 1.6.2.2 thorpej static void trm_doing_srb_done(struct trm_softc *); 365 1.6.2.2 thorpej static void trm_scsi_reset_detect(struct trm_softc *); 366 1.6.2.2 thorpej static void trm_reset_scsi_bus(struct trm_softc *); 367 1.6.2.2 thorpej static int trm_request_sense(struct trm_softc *, struct trm_dcb *, 368 1.6.2.2 thorpej struct trm_srb *); 369 1.6.2.2 thorpej static void trm_msgout_abort(struct trm_softc *, struct trm_srb *); 370 1.6.2.2 thorpej static void trm_timeout(void *); 371 1.6.2.2 thorpej static void trm_reset(struct trm_softc *); 372 1.6.2.2 thorpej static void trm_send_srb(struct scsipi_xfer *, struct trm_softc *, 373 1.6.2.2 thorpej struct trm_srb *); 374 1.6.2.2 thorpej static int trm_init(struct trm_softc *); 375 1.6.2.2 thorpej static void trm_init_adapter(struct trm_softc *); 376 1.6.2.2 thorpej static void trm_init_dcb(struct trm_softc *, struct trm_dcb *, 377 1.6.2.2 thorpej struct scsipi_xfer *); 378 1.6.2.2 thorpej static void trm_link_srb(struct trm_softc *); 379 1.6.2.2 thorpej static void trm_init_sc(struct trm_softc *); 380 1.6.2.2 thorpej static void trm_check_eeprom(struct trm_softc *, struct trm_nvram *); 381 1.6.2.2 thorpej static void trm_release_srb(struct trm_softc *, struct trm_dcb *, 382 1.6.2.2 thorpej struct trm_srb *); 383 1.6.2.2 thorpej void trm_scsipi_request(struct scsipi_channel *, scsipi_adapter_req_t, void *); 384 1.6.2.2 thorpej 385 1.6.2.2 thorpej static void trm_eeprom_read_all(struct trm_softc *, struct trm_nvram *); 386 1.6.2.2 thorpej static void trm_eeprom_write_all(struct trm_softc *, struct trm_nvram *); 387 1.6.2.2 thorpej static void trm_eeprom_set_data(struct trm_softc *, u_int8_t, u_int8_t); 388 1.6.2.2 thorpej static void trm_eeprom_write_cmd(struct trm_softc *, u_int8_t, u_int8_t); 389 1.6.2.2 thorpej static u_int8_t trm_eeprom_get_data(struct trm_softc *, u_int8_t); 390 1.6.2.2 thorpej 391 1.6.2.2 thorpej static int trm_probe(struct device *, struct cfdata *, void *); 392 1.6.2.2 thorpej static void trm_attach(struct device *, struct device *, void *); 393 1.6.2.2 thorpej 394 1.6.2.2 thorpej struct cfattach trm_ca = { 395 1.6.2.2 thorpej sizeof(struct trm_softc), trm_probe, trm_attach 396 1.6.2.2 thorpej }; 397 1.6.2.2 thorpej 398 1.6.2.2 thorpej 399 1.6.2.2 thorpej /* 400 1.6.2.2 thorpej * state_v = (void *) trm_scsi_phase0[phase] 401 1.6.2.2 thorpej */ 402 1.6.2.2 thorpej static void *trm_scsi_phase0[] = { 403 1.6.2.2 thorpej trm_dataout_phase0, /* phase:0 */ 404 1.6.2.2 thorpej trm_datain_phase0, /* phase:1 */ 405 1.6.2.2 thorpej trm_command_phase0, /* phase:2 */ 406 1.6.2.2 thorpej trm_status_phase0, /* phase:3 */ 407 1.6.2.2 thorpej trm_nop0, /* phase:4 */ 408 1.6.2.2 thorpej trm_nop1, /* phase:5 */ 409 1.6.2.2 thorpej trm_msgout_phase0, /* phase:6 */ 410 1.6.2.2 thorpej trm_msgin_phase0, /* phase:7 */ 411 1.6.2.2 thorpej }; 412 1.6.2.2 thorpej 413 1.6.2.2 thorpej /* 414 1.6.2.2 thorpej * state_v = (void *) trm_scsi_phase1[phase] 415 1.6.2.2 thorpej */ 416 1.6.2.2 thorpej static void *trm_scsi_phase1[] = { 417 1.6.2.2 thorpej trm_dataout_phase1, /* phase:0 */ 418 1.6.2.2 thorpej trm_datain_phase1, /* phase:1 */ 419 1.6.2.2 thorpej trm_command_phase1, /* phase:2 */ 420 1.6.2.2 thorpej trm_status_phase1, /* phase:3 */ 421 1.6.2.2 thorpej trm_nop0, /* phase:4 */ 422 1.6.2.2 thorpej trm_nop1, /* phase:5 */ 423 1.6.2.2 thorpej trm_msgout_phase1, /* phase:6 */ 424 1.6.2.2 thorpej trm_msgin_phase1, /* phase:7 */ 425 1.6.2.2 thorpej }; 426 1.6.2.2 thorpej 427 1.6.2.2 thorpej /* real period: */ 428 1.6.2.2 thorpej static const u_int8_t trm_clock_period[] = { 429 1.6.2.2 thorpej 12, /* 48 ns 20.0 MB/sec */ 430 1.6.2.2 thorpej 18, /* 72 ns 13.3 MB/sec */ 431 1.6.2.2 thorpej 25, /* 100 ns 10.0 MB/sec */ 432 1.6.2.2 thorpej 31, /* 124 ns 8.0 MB/sec */ 433 1.6.2.2 thorpej 37, /* 148 ns 6.6 MB/sec */ 434 1.6.2.2 thorpej 43, /* 172 ns 5.7 MB/sec */ 435 1.6.2.2 thorpej 50, /* 200 ns 5.0 MB/sec */ 436 1.6.2.2 thorpej 62 /* 248 ns 4.0 MB/sec */ 437 1.6.2.2 thorpej }; 438 1.6.2.2 thorpej 439 1.6.2.2 thorpej /* 440 1.6.2.2 thorpej * Q back to pending Q 441 1.6.2.2 thorpej */ 442 1.6.2.2 thorpej static void 443 1.6.2.2 thorpej trm_rewait_srb(dcb, srb) 444 1.6.2.2 thorpej struct trm_dcb *dcb; 445 1.6.2.2 thorpej struct trm_srb *srb; 446 1.6.2.2 thorpej { 447 1.6.2.2 thorpej struct trm_srb *psrb1; 448 1.6.2.2 thorpej int s; 449 1.6.2.2 thorpej 450 1.6.2.2 thorpej s = splbio(); 451 1.6.2.2 thorpej 452 1.6.2.2 thorpej dcb->gosrb_cnt--; 453 1.6.2.2 thorpej psrb1 = dcb->gosrb; 454 1.6.2.2 thorpej if (srb == psrb1) 455 1.6.2.2 thorpej dcb->gosrb = psrb1->next; 456 1.6.2.2 thorpej else { 457 1.6.2.2 thorpej while (srb != psrb1->next) 458 1.6.2.2 thorpej psrb1 = psrb1->next; 459 1.6.2.2 thorpej 460 1.6.2.2 thorpej psrb1->next = srb->next; 461 1.6.2.2 thorpej if (srb == dcb->last_gosrb) 462 1.6.2.2 thorpej dcb->last_gosrb = psrb1; 463 1.6.2.2 thorpej } 464 1.6.2.2 thorpej if (dcb->waitsrb) { 465 1.6.2.2 thorpej srb->next = dcb->waitsrb; 466 1.6.2.2 thorpej dcb->waitsrb = srb; 467 1.6.2.2 thorpej } else { 468 1.6.2.2 thorpej srb->next = NULL; 469 1.6.2.2 thorpej dcb->waitsrb = srb; 470 1.6.2.2 thorpej dcb->last_waitsrb = srb; 471 1.6.2.2 thorpej } 472 1.6.2.2 thorpej dcb->tagmask &= ~(1 << srb->tagnum); /* Free TAG number */ 473 1.6.2.2 thorpej 474 1.6.2.2 thorpej splx(s); 475 1.6.2.2 thorpej } 476 1.6.2.2 thorpej 477 1.6.2.2 thorpej static void 478 1.6.2.2 thorpej trm_wait_srb(sc) 479 1.6.2.2 thorpej struct trm_softc *sc; 480 1.6.2.2 thorpej { 481 1.6.2.2 thorpej struct trm_dcb *ptr, *ptr1; 482 1.6.2.2 thorpej struct trm_srb *srb; 483 1.6.2.2 thorpej int s; 484 1.6.2.2 thorpej 485 1.6.2.2 thorpej s = splbio(); 486 1.6.2.2 thorpej 487 1.6.2.2 thorpej if (sc->sc_actdcb == NULL && 488 1.6.2.2 thorpej (sc->sc_flag & (RESET_DETECT | RESET_DONE | RESET_DEV)) == 0) { 489 1.6.2.2 thorpej ptr = sc->sc_roundcb; 490 1.6.2.2 thorpej if (ptr == NULL) { 491 1.6.2.2 thorpej ptr = sc->sc_linkdcb; 492 1.6.2.2 thorpej sc->sc_roundcb = ptr; 493 1.6.2.2 thorpej } 494 1.6.2.2 thorpej for (ptr1 = ptr; ptr1 != NULL;) { 495 1.6.2.2 thorpej sc->sc_roundcb = ptr1->next; 496 1.6.2.2 thorpej if (ptr1->maxcmd <= ptr1->gosrb_cnt || 497 1.6.2.2 thorpej (srb = ptr1->waitsrb) == NULL) { 498 1.6.2.2 thorpej if (sc->sc_roundcb == ptr) 499 1.6.2.2 thorpej break; 500 1.6.2.2 thorpej ptr1 = ptr1->next; 501 1.6.2.2 thorpej } else { 502 1.6.2.2 thorpej if (trm_start_scsi(sc, ptr1, srb) == 0) { 503 1.6.2.2 thorpej /* 504 1.6.2.2 thorpej * If trm_start_scsi return 0 : 505 1.6.2.2 thorpej * current interrupt status is 506 1.6.2.2 thorpej * interrupt enable. It's said that 507 1.6.2.2 thorpej * SCSI processor is unoccupied 508 1.6.2.2 thorpej */ 509 1.6.2.2 thorpej ptr1->gosrb_cnt++; 510 1.6.2.2 thorpej if (ptr1->last_waitsrb == srb) { 511 1.6.2.2 thorpej ptr1->waitsrb = NULL; 512 1.6.2.2 thorpej ptr1->last_waitsrb = NULL; 513 1.6.2.2 thorpej } else 514 1.6.2.2 thorpej ptr1->waitsrb = srb->next; 515 1.6.2.2 thorpej 516 1.6.2.2 thorpej srb->next = NULL; 517 1.6.2.2 thorpej if (ptr1->gosrb != NULL) 518 1.6.2.2 thorpej ptr1->last_gosrb->next = srb; 519 1.6.2.2 thorpej else 520 1.6.2.2 thorpej ptr1->gosrb = srb; 521 1.6.2.2 thorpej 522 1.6.2.2 thorpej ptr1->last_gosrb = srb; 523 1.6.2.2 thorpej } 524 1.6.2.2 thorpej break; 525 1.6.2.2 thorpej } 526 1.6.2.2 thorpej } 527 1.6.2.2 thorpej } 528 1.6.2.2 thorpej splx(s); 529 1.6.2.2 thorpej } 530 1.6.2.2 thorpej 531 1.6.2.2 thorpej static void 532 1.6.2.2 thorpej trm_send_srb(xs, sc, srb) 533 1.6.2.2 thorpej struct scsipi_xfer *xs; 534 1.6.2.2 thorpej struct trm_softc *sc; 535 1.6.2.2 thorpej struct trm_srb *srb; 536 1.6.2.2 thorpej { 537 1.6.2.2 thorpej struct trm_dcb *dcb; 538 1.6.2.2 thorpej int s; 539 1.6.2.2 thorpej 540 1.6.2.2 thorpej #ifdef TRM_DEBUG 541 1.6.2.2 thorpej printf("trm_send_srb..........\n"); 542 1.6.2.2 thorpej #endif 543 1.6.2.2 thorpej s = splbio(); 544 1.6.2.2 thorpej 545 1.6.2.2 thorpej /* 546 1.6.2.2 thorpej * now get the DCB from upper layer( OS ) 547 1.6.2.2 thorpej */ 548 1.6.2.2 thorpej dcb = srb->dcb; 549 1.6.2.2 thorpej 550 1.6.2.2 thorpej if (dcb->maxcmd <= dcb->gosrb_cnt || 551 1.6.2.2 thorpej sc->sc_actdcb != NULL || 552 1.6.2.2 thorpej (sc->sc_flag & (RESET_DETECT | RESET_DONE | RESET_DEV))) { 553 1.6.2.2 thorpej if (dcb->waitsrb != NULL) { 554 1.6.2.2 thorpej dcb->last_waitsrb->next = srb; 555 1.6.2.2 thorpej dcb->last_waitsrb = srb; 556 1.6.2.2 thorpej srb->next = NULL; 557 1.6.2.2 thorpej } else { 558 1.6.2.2 thorpej dcb->waitsrb = srb; 559 1.6.2.2 thorpej dcb->last_waitsrb = srb; 560 1.6.2.2 thorpej } 561 1.6.2.2 thorpej splx(s); 562 1.6.2.2 thorpej return; 563 1.6.2.2 thorpej } 564 1.6.2.2 thorpej if (dcb->waitsrb != NULL) { 565 1.6.2.2 thorpej dcb->last_waitsrb->next = srb; 566 1.6.2.2 thorpej dcb->last_waitsrb = srb; 567 1.6.2.2 thorpej srb->next = NULL; 568 1.6.2.2 thorpej /* srb = GetWaitingSRB(dcb); */ 569 1.6.2.2 thorpej srb = dcb->waitsrb; 570 1.6.2.2 thorpej dcb->waitsrb = srb->next; 571 1.6.2.2 thorpej srb->next = NULL; 572 1.6.2.2 thorpej } 573 1.6.2.2 thorpej if (trm_start_scsi(sc, dcb, srb) == 0) { 574 1.6.2.2 thorpej /* 575 1.6.2.2 thorpej * If trm_start_scsi return 0: current interrupt status 576 1.6.2.2 thorpej * is interrupt enable. It's said that SCSI processor is 577 1.6.2.2 thorpej * unoccupied. 578 1.6.2.2 thorpej */ 579 1.6.2.2 thorpej dcb->gosrb_cnt++; /* stack waiting SRB */ 580 1.6.2.2 thorpej if (dcb->gosrb != NULL) { 581 1.6.2.2 thorpej dcb->last_gosrb->next = srb; 582 1.6.2.2 thorpej dcb->last_gosrb = srb; 583 1.6.2.2 thorpej } else { 584 1.6.2.2 thorpej dcb->gosrb = srb; 585 1.6.2.2 thorpej dcb->last_gosrb = srb; 586 1.6.2.2 thorpej } 587 1.6.2.2 thorpej } else { 588 1.6.2.2 thorpej /* 589 1.6.2.2 thorpej * If trm_start_scsi return 1: current interrupt status 590 1.6.2.2 thorpej * is interrupt disreenable. It's said that SCSI processor 591 1.6.2.2 thorpej * has more one SRB need to do we need reQ back SRB. 592 1.6.2.2 thorpej */ 593 1.6.2.2 thorpej if (dcb->waitsrb != NULL) { 594 1.6.2.2 thorpej srb->next = dcb->waitsrb; 595 1.6.2.2 thorpej dcb->waitsrb = srb; 596 1.6.2.2 thorpej } else { 597 1.6.2.2 thorpej srb->next = NULL; 598 1.6.2.2 thorpej dcb->waitsrb = srb; 599 1.6.2.2 thorpej dcb->last_waitsrb = srb; 600 1.6.2.2 thorpej } 601 1.6.2.2 thorpej } 602 1.6.2.2 thorpej 603 1.6.2.2 thorpej splx(s); 604 1.6.2.2 thorpej } 605 1.6.2.2 thorpej 606 1.6.2.2 thorpej /* 607 1.6.2.2 thorpej * Called by GENERIC SCSI driver 608 1.6.2.2 thorpej * enqueues a SCSI command 609 1.6.2.2 thorpej */ 610 1.6.2.2 thorpej void 611 1.6.2.2 thorpej trm_scsipi_request(chan, req, arg) 612 1.6.2.2 thorpej struct scsipi_channel *chan; 613 1.6.2.2 thorpej scsipi_adapter_req_t req; 614 1.6.2.2 thorpej void *arg; 615 1.6.2.2 thorpej { 616 1.6.2.2 thorpej bus_space_tag_t iot; 617 1.6.2.2 thorpej bus_space_handle_t ioh; 618 1.6.2.2 thorpej struct trm_softc *sc; 619 1.6.2.2 thorpej struct trm_dcb *dcb = NULL; 620 1.6.2.2 thorpej struct trm_srb *srb; 621 1.6.2.2 thorpej struct scsipi_xfer *xs; 622 1.6.2.2 thorpej int error, i, id, lun, s; 623 1.6.2.2 thorpej 624 1.6.2.2 thorpej sc = (struct trm_softc *)chan->chan_adapter->adapt_dev; 625 1.6.2.2 thorpej iot = sc->sc_iot; 626 1.6.2.2 thorpej ioh = sc->sc_ioh; 627 1.6.2.2 thorpej 628 1.6.2.2 thorpej switch (req) { 629 1.6.2.2 thorpej case ADAPTER_REQ_RUN_XFER: 630 1.6.2.2 thorpej xs = arg; 631 1.6.2.2 thorpej id = xs->xs_periph->periph_target; 632 1.6.2.2 thorpej lun = xs->xs_periph->periph_lun; 633 1.6.2.2 thorpej #ifdef TRM_DEBUG 634 1.6.2.2 thorpej printf("trm_scsipi_request.....\n"); 635 1.6.2.2 thorpej printf("%s: id= %d lun= %d\n", sc->sc_dev.dv_xname, id, lun); 636 1.6.2.2 thorpej printf("sc->devscan[id][lun]= %d\n", sc->devscan[id][lun]); 637 1.6.2.2 thorpej #endif 638 1.6.2.2 thorpej if ((id > sc->maxid) || (lun > 7)) { 639 1.6.2.2 thorpej xs->error = XS_DRIVER_STUFFUP; 640 1.6.2.2 thorpej return; 641 1.6.2.2 thorpej } 642 1.6.2.2 thorpej dcb = sc->sc_dcb[id][lun]; 643 1.6.2.2 thorpej if (sc->devscan[id][lun] != 0 && sc->devflag[id][lun] == 0) { 644 1.6.2.2 thorpej /* 645 1.6.2.2 thorpej * Scan SCSI BUS => trm_init_dcb 646 1.6.2.2 thorpej */ 647 1.6.2.2 thorpej if (sc->devcnt < TRM_MAX_TARGETS) { 648 1.6.2.2 thorpej #ifdef TRM_DEBUG 649 1.6.2.2 thorpej printf("trm_init_dcb: dcb=%8x, ", (int) dcb); 650 1.6.2.2 thorpej printf("ID=%2x, LUN=%2x\n", id, lun); 651 1.6.2.2 thorpej #endif 652 1.6.2.2 thorpej sc->devflag[id][lun] = 1; 653 1.6.2.2 thorpej trm_init_dcb(sc, dcb, xs); 654 1.6.2.2 thorpej } else { 655 1.6.2.2 thorpej printf("%s: ", sc->sc_dev.dv_xname); 656 1.6.2.2 thorpej printf("sc->devcnt >= TRM_MAX_TARGETS\n"); 657 1.6.2.2 thorpej xs->error = XS_DRIVER_STUFFUP; 658 1.6.2.2 thorpej return; 659 1.6.2.2 thorpej } 660 1.6.2.2 thorpej } 661 1.6.2.2 thorpej 662 1.6.2.2 thorpej if (xs->xs_control & XS_CTL_RESET) { 663 1.6.2.2 thorpej trm_reset(sc); 664 1.6.2.2 thorpej xs->error = XS_NOERROR | XS_RESET; 665 1.6.2.2 thorpej return; 666 1.6.2.2 thorpej } 667 1.6.2.2 thorpej if (xs->xs_status & XS_STS_DONE) { 668 1.6.2.2 thorpej printf("%s: Is it done?\n", sc->sc_dev.dv_xname); 669 1.6.2.2 thorpej xs->xs_status &= ~XS_STS_DONE; 670 1.6.2.2 thorpej } 671 1.6.2.2 thorpej xs->error = 0; 672 1.6.2.2 thorpej xs->status = 0; 673 1.6.2.2 thorpej xs->resid = 0; 674 1.6.2.2 thorpej 675 1.6.2.2 thorpej s = splbio(); 676 1.6.2.2 thorpej 677 1.6.2.2 thorpej /* Get SRB */ 678 1.6.2.2 thorpej srb = sc->sc_freesrb; 679 1.6.2.2 thorpej if (srb != NULL) { 680 1.6.2.2 thorpej sc->sc_freesrb = srb->next; 681 1.6.2.2 thorpej srb->next = NULL; 682 1.6.2.2 thorpej #ifdef TRM_DEBUG 683 1.6.2.2 thorpej printf("srb = %8p sc->sc_freesrb= %8p\n", 684 1.6.2.2 thorpej srb, sc->sc_freesrb); 685 1.6.2.2 thorpej #endif 686 1.6.2.2 thorpej } else { 687 1.6.2.2 thorpej xs->error = XS_RESOURCE_SHORTAGE; 688 1.6.2.2 thorpej scsipi_done(xs); 689 1.6.2.2 thorpej splx(s); 690 1.6.2.2 thorpej return; 691 1.6.2.2 thorpej } 692 1.6.2.2 thorpej /* 693 1.6.2.2 thorpej * XXX BuildSRB(srb ,dcb); XXX 694 1.6.2.2 thorpej */ 695 1.6.2.2 thorpej srb->dcb = dcb; 696 1.6.2.2 thorpej srb->xs = xs; 697 1.6.2.2 thorpej srb->cmdlen = xs->cmdlen; 698 1.6.2.2 thorpej /* 699 1.6.2.2 thorpej * Move layer of CAM command block to layer of SCSI 700 1.6.2.2 thorpej * Request Block for SCSI processor command doing. 701 1.6.2.2 thorpej */ 702 1.6.2.2 thorpej memcpy(srb->cmd, xs->cmd, xs->cmdlen); 703 1.6.2.2 thorpej if (xs->xs_control & (XS_CTL_DATA_IN | XS_CTL_DATA_OUT)) { 704 1.6.2.2 thorpej #ifdef TRM_DEBUG 705 1.6.2.2 thorpej printf("xs->datalen...\n"); 706 1.6.2.2 thorpej printf("sc->sc_dmat=%x\n", (int) sc->sc_dmat); 707 1.6.2.2 thorpej printf("srb->dmap=%x\n", (int) srb->dmap); 708 1.6.2.2 thorpej printf("xs->data=%x\n", (int) xs->data); 709 1.6.2.2 thorpej printf("xs->datalen=%x\n", (int) xs->datalen); 710 1.6.2.2 thorpej #endif 711 1.6.2.2 thorpej if ((error = bus_dmamap_load(sc->sc_dmat, srb->dmap, 712 1.6.2.2 thorpej xs->data, xs->datalen, NULL, 713 1.6.2.2 thorpej ((xs->xs_control & XS_CTL_NOSLEEP) ? 714 1.6.2.2 thorpej BUS_DMA_NOWAIT : BUS_DMA_WAITOK) | 715 1.6.2.2 thorpej BUS_DMA_STREAMING | 716 1.6.2.2 thorpej ((xs->xs_control & XS_CTL_DATA_IN) ? 717 1.6.2.2 thorpej BUS_DMA_READ : BUS_DMA_WRITE))) != 0) { 718 1.6.2.2 thorpej printf("%s: DMA transfer map unable to load, " 719 1.6.2.2 thorpej "error = %d\n", sc->sc_dev.dv_xname, error); 720 1.6.2.2 thorpej xs->error = XS_DRIVER_STUFFUP; 721 1.6.2.2 thorpej /* 722 1.6.2.2 thorpej * free SRB 723 1.6.2.2 thorpej */ 724 1.6.2.2 thorpej srb->next = sc->sc_freesrb; 725 1.6.2.2 thorpej sc->sc_freesrb = srb; 726 1.6.2.2 thorpej splx(s); 727 1.6.2.2 thorpej return; 728 1.6.2.2 thorpej } 729 1.6.2.2 thorpej bus_dmamap_sync(sc->sc_dmat, srb->dmap, 0, 730 1.6.2.2 thorpej srb->dmap->dm_mapsize, 731 1.6.2.2 thorpej (xs->xs_control & XS_CTL_DATA_IN) ? 732 1.6.2.2 thorpej BUS_DMASYNC_PREREAD : BUS_DMASYNC_PREWRITE); 733 1.6.2.2 thorpej 734 1.6.2.2 thorpej /* Set up the scatter gather list */ 735 1.6.2.2 thorpej for (i = 0; i < srb->dmap->dm_nsegs; i++) { 736 1.6.2.2 thorpej srb->sgentry[i].address = 737 1.6.2.2 thorpej htole32(srb->dmap->dm_segs[i].ds_addr); 738 1.6.2.2 thorpej srb->sgentry[i].length = 739 1.6.2.2 thorpej htole32(srb->dmap->dm_segs[i].ds_len); 740 1.6.2.2 thorpej } 741 1.6.2.2 thorpej srb->buflen = xs->datalen; 742 1.6.2.2 thorpej srb->sgcnt = srb->dmap->dm_nsegs; 743 1.6.2.2 thorpej } else { 744 1.6.2.2 thorpej srb->sgentry[0].address = 0; 745 1.6.2.2 thorpej srb->sgentry[0].length = 0; 746 1.6.2.2 thorpej srb->buflen = 0; 747 1.6.2.2 thorpej srb->sgcnt = 0; 748 1.6.2.2 thorpej } 749 1.6.2.2 thorpej bus_dmamap_sync(sc->sc_dmat, sc->sc_dmamap, 750 1.6.2.2 thorpej srb->sgoffset, TRM_SG_SIZE, BUS_DMASYNC_PREWRITE); 751 1.6.2.2 thorpej 752 1.6.2.2 thorpej srb->sgindex = 0; 753 1.6.2.2 thorpej srb->hastat = 0; 754 1.6.2.2 thorpej srb->tastat = 0; 755 1.6.2.2 thorpej srb->msgcnt = 0; 756 1.6.2.2 thorpej srb->srbstat = 0; 757 1.6.2.2 thorpej srb->flag = 0; 758 1.6.2.2 thorpej srb->state = 0; 759 1.6.2.2 thorpej srb->phase = PH_BUS_FREE; /* SCSI bus free Phase */ 760 1.6.2.2 thorpej 761 1.6.2.2 thorpej trm_send_srb(xs, sc, srb); 762 1.6.2.2 thorpej splx(s); 763 1.6.2.2 thorpej 764 1.6.2.2 thorpej if ((xs->xs_control & XS_CTL_POLL) == 0) { 765 1.6.2.2 thorpej int timeout = xs->timeout; 766 1.6.2.2 thorpej timeout = (timeout > 100000) ? 767 1.6.2.2 thorpej timeout / 1000 * hz : timeout * hz / 1000; 768 1.6.2.2 thorpej callout_reset(&xs->xs_callout, timeout, 769 1.6.2.2 thorpej trm_timeout, srb); 770 1.6.2.2 thorpej } else { 771 1.6.2.2 thorpej s = splbio(); 772 1.6.2.2 thorpej do { 773 1.6.2.2 thorpej while (--xs->timeout) { 774 1.6.2.2 thorpej DELAY(1000); 775 1.6.2.2 thorpej if (bus_space_read_2(iot, ioh, 776 1.6.2.2 thorpej TRM_SCSI_STATUS) & SCSIINTERRUPT) 777 1.6.2.2 thorpej break; 778 1.6.2.2 thorpej } 779 1.6.2.2 thorpej if (xs->timeout == 0) { 780 1.6.2.2 thorpej trm_timeout(srb); 781 1.6.2.2 thorpej break; 782 1.6.2.2 thorpej } else 783 1.6.2.2 thorpej trm_intr(sc); 784 1.6.2.2 thorpej } while ((xs->xs_status & XS_STS_DONE) == 0); 785 1.6.2.2 thorpej splx(s); 786 1.6.2.2 thorpej } 787 1.6.2.2 thorpej return; 788 1.6.2.2 thorpej 789 1.6.2.2 thorpej case ADAPTER_REQ_GROW_RESOURCES: 790 1.6.2.2 thorpej /* XXX Not supported. */ 791 1.6.2.2 thorpej return; 792 1.6.2.2 thorpej 793 1.6.2.2 thorpej case ADAPTER_REQ_SET_XFER_MODE: 794 1.6.2.2 thorpej /* XXX XXX XXX */ 795 1.6.2.2 thorpej return; 796 1.6.2.2 thorpej } 797 1.6.2.2 thorpej } 798 1.6.2.2 thorpej 799 1.6.2.2 thorpej static void 800 1.6.2.2 thorpej trm_reset_device(sc) 801 1.6.2.2 thorpej struct trm_softc *sc; 802 1.6.2.2 thorpej { 803 1.6.2.2 thorpej struct trm_dcb *dcb, *pdcb; 804 1.6.2.2 thorpej struct trm_nvram *eeprom; 805 1.6.2.2 thorpej int index; 806 1.6.2.2 thorpej 807 1.6.2.2 thorpej dcb = sc->sc_linkdcb; 808 1.6.2.2 thorpej if (dcb == NULL) 809 1.6.2.2 thorpej return; 810 1.6.2.2 thorpej 811 1.6.2.2 thorpej pdcb = dcb; 812 1.6.2.2 thorpej do { 813 1.6.2.2 thorpej dcb->mode &= ~(SYNC_NEGO_DONE | WIDE_NEGO_DONE); 814 1.6.2.2 thorpej dcb->synctl = 0; 815 1.6.2.2 thorpej dcb->offset = 0; 816 1.6.2.2 thorpej eeprom = &sc->sc_eeprom; 817 1.6.2.2 thorpej dcb->tacfg = eeprom->target[dcb->id].config0; 818 1.6.2.2 thorpej index = eeprom->target[dcb->id].period & 0x07; 819 1.6.2.2 thorpej dcb->period = trm_clock_period[index]; 820 1.6.2.2 thorpej if ((dcb->tacfg & NTC_DO_WIDE_NEGO) && 821 1.6.2.2 thorpej (sc->sc_config & HCC_WIDE_CARD)) 822 1.6.2.2 thorpej dcb->mode |= WIDE_NEGO_ENABLE; 823 1.6.2.2 thorpej 824 1.6.2.2 thorpej dcb = dcb->next; 825 1.6.2.2 thorpej } 826 1.6.2.2 thorpej while (pdcb != dcb); 827 1.6.2.2 thorpej } 828 1.6.2.2 thorpej 829 1.6.2.2 thorpej static void 830 1.6.2.2 thorpej trm_recover_srb(sc) 831 1.6.2.2 thorpej struct trm_softc *sc; 832 1.6.2.2 thorpej { 833 1.6.2.2 thorpej struct trm_dcb *dcb, *pdcb; 834 1.6.2.2 thorpej struct trm_srb *psrb, *psrb2; 835 1.6.2.2 thorpej int i; 836 1.6.2.2 thorpej 837 1.6.2.2 thorpej dcb = sc->sc_linkdcb; 838 1.6.2.2 thorpej if (dcb == NULL) 839 1.6.2.2 thorpej return; 840 1.6.2.2 thorpej 841 1.6.2.2 thorpej pdcb = dcb; 842 1.6.2.2 thorpej do { 843 1.6.2.2 thorpej psrb = pdcb->gosrb; 844 1.6.2.2 thorpej for (i = 0; i < pdcb->gosrb_cnt; i++) { 845 1.6.2.2 thorpej psrb2 = psrb; 846 1.6.2.2 thorpej psrb = psrb->next; 847 1.6.2.2 thorpej if (pdcb->waitsrb) { 848 1.6.2.2 thorpej psrb2->next = pdcb->waitsrb; 849 1.6.2.2 thorpej pdcb->waitsrb = psrb2; 850 1.6.2.2 thorpej } else { 851 1.6.2.2 thorpej pdcb->waitsrb = psrb2; 852 1.6.2.2 thorpej pdcb->last_waitsrb = psrb2; 853 1.6.2.2 thorpej psrb2->next = NULL; 854 1.6.2.2 thorpej } 855 1.6.2.2 thorpej } 856 1.6.2.2 thorpej pdcb->gosrb_cnt = 0; 857 1.6.2.2 thorpej pdcb->gosrb = NULL; 858 1.6.2.2 thorpej pdcb->tagmask = 0; 859 1.6.2.2 thorpej pdcb = pdcb->next; 860 1.6.2.2 thorpej } 861 1.6.2.2 thorpej while (pdcb != dcb); 862 1.6.2.2 thorpej } 863 1.6.2.2 thorpej 864 1.6.2.2 thorpej /* 865 1.6.2.2 thorpej * perform a hard reset on the SCSI bus (and TRM_S1040 chip). 866 1.6.2.2 thorpej */ 867 1.6.2.2 thorpej static void 868 1.6.2.2 thorpej trm_reset(sc) 869 1.6.2.2 thorpej struct trm_softc *sc; 870 1.6.2.2 thorpej { 871 1.6.2.2 thorpej bus_space_tag_t iot = sc->sc_iot; 872 1.6.2.2 thorpej bus_space_handle_t ioh = sc->sc_ioh; 873 1.6.2.2 thorpej int s; 874 1.6.2.2 thorpej 875 1.6.2.2 thorpej #ifdef TRM_DEBUG 876 1.6.2.2 thorpej printf("%s: SCSI RESET.........", sc->sc_dev.dv_xname); 877 1.6.2.2 thorpej #endif 878 1.6.2.2 thorpej s = splbio(); 879 1.6.2.2 thorpej 880 1.6.2.2 thorpej /* disable SCSI and DMA interrupt */ 881 1.6.2.2 thorpej bus_space_write_1(iot, ioh, TRM_DMA_INTEN, 0); 882 1.6.2.2 thorpej bus_space_write_1(iot, ioh, TRM_SCSI_INTEN, 0); 883 1.6.2.2 thorpej 884 1.6.2.2 thorpej trm_reset_scsi_bus(sc); 885 1.6.2.2 thorpej DELAY(500000); 886 1.6.2.2 thorpej 887 1.6.2.2 thorpej /* Enable SCSI interrupt */ 888 1.6.2.2 thorpej bus_space_write_1(iot, ioh, TRM_SCSI_INTEN, 889 1.6.2.2 thorpej EN_SELECT | EN_SELTIMEOUT | EN_DISCONNECT | EN_RESELECTED | 890 1.6.2.2 thorpej EN_SCSIRESET | EN_BUSSERVICE | EN_CMDDONE); 891 1.6.2.2 thorpej 892 1.6.2.2 thorpej /* Enable DMA interrupt */ 893 1.6.2.2 thorpej bus_space_write_1(iot, ioh, TRM_DMA_INTEN, EN_SCSIINTR); 894 1.6.2.2 thorpej 895 1.6.2.2 thorpej /* Clear DMA FIFO */ 896 1.6.2.2 thorpej bus_space_write_1(iot, ioh, TRM_DMA_CONTROL, CLRXFIFO); 897 1.6.2.2 thorpej 898 1.6.2.2 thorpej /* Clear SCSI FIFO */ 899 1.6.2.2 thorpej bus_space_write_2(iot, ioh, TRM_SCSI_CONTROL, DO_CLRFIFO); 900 1.6.2.2 thorpej 901 1.6.2.2 thorpej trm_reset_device(sc); 902 1.6.2.2 thorpej trm_doing_srb_done(sc); 903 1.6.2.2 thorpej sc->sc_actdcb = NULL; 904 1.6.2.2 thorpej sc->sc_flag = 0; /* RESET_DETECT, RESET_DONE, RESET_DEV */ 905 1.6.2.2 thorpej trm_wait_srb(sc); 906 1.6.2.2 thorpej 907 1.6.2.2 thorpej splx(s); 908 1.6.2.2 thorpej } 909 1.6.2.2 thorpej 910 1.6.2.2 thorpej static void 911 1.6.2.2 thorpej trm_timeout(arg) 912 1.6.2.2 thorpej void *arg; 913 1.6.2.2 thorpej { 914 1.6.2.2 thorpej struct trm_srb *srb = (struct trm_srb *)arg; 915 1.6.2.2 thorpej struct scsipi_xfer *xs = srb->xs; 916 1.6.2.2 thorpej struct scsipi_periph *periph = xs->xs_periph; 917 1.6.2.2 thorpej struct trm_softc *sc; 918 1.6.2.2 thorpej int s; 919 1.6.2.2 thorpej 920 1.6.2.2 thorpej if (xs == NULL) 921 1.6.2.2 thorpej printf("trm_timeout called with xs == NULL\n"); 922 1.6.2.2 thorpej 923 1.6.2.2 thorpej else { 924 1.6.2.2 thorpej scsipi_printaddr(xs->xs_periph); 925 1.6.2.2 thorpej printf("SCSI OpCode 0x%02x timed out\n", xs->cmd->opcode); 926 1.6.2.2 thorpej } 927 1.6.2.2 thorpej 928 1.6.2.2 thorpej sc = (void *)periph->periph_channel->chan_adapter->adapt_dev; 929 1.6.2.2 thorpej 930 1.6.2.2 thorpej s = splbio(); 931 1.6.2.2 thorpej trm_reset_scsi_bus(sc); 932 1.6.2.2 thorpej callout_stop(&xs->xs_callout); 933 1.6.2.2 thorpej splx(s); 934 1.6.2.2 thorpej } 935 1.6.2.2 thorpej 936 1.6.2.2 thorpej static int 937 1.6.2.2 thorpej trm_start_scsi(sc, dcb, srb) 938 1.6.2.2 thorpej struct trm_softc *sc; 939 1.6.2.2 thorpej struct trm_dcb *dcb; 940 1.6.2.2 thorpej struct trm_srb *srb; 941 1.6.2.2 thorpej { 942 1.6.2.2 thorpej bus_space_tag_t iot = sc->sc_iot; 943 1.6.2.2 thorpej bus_space_handle_t ioh = sc->sc_ioh; 944 1.6.2.2 thorpej int tagnum; 945 1.6.2.2 thorpej u_int32_t tagmask; 946 1.6.2.2 thorpej u_int8_t scsicmd, idmsg; 947 1.6.2.2 thorpej 948 1.6.2.2 thorpej srb->tagnum = 31; 949 1.6.2.2 thorpej 950 1.6.2.2 thorpej bus_space_write_1(iot, ioh, TRM_SCSI_HOSTID, sc->sc_id); 951 1.6.2.2 thorpej bus_space_write_1(iot, ioh, TRM_SCSI_TARGETID, dcb->id); 952 1.6.2.2 thorpej bus_space_write_1(iot, ioh, TRM_SCSI_SYNC, dcb->synctl); 953 1.6.2.2 thorpej bus_space_write_1(iot, ioh, TRM_SCSI_OFFSET, dcb->offset); 954 1.6.2.2 thorpej srb->phase = PH_BUS_FREE; /* initial phase */ 955 1.6.2.2 thorpej /* Flush FIFO */ 956 1.6.2.2 thorpej bus_space_write_2(iot, ioh, TRM_SCSI_CONTROL, DO_CLRFIFO); 957 1.6.2.2 thorpej 958 1.6.2.2 thorpej idmsg = dcb->idmsg; 959 1.6.2.2 thorpej 960 1.6.2.2 thorpej if ((srb->cmd[0] == INQUIRY) || 961 1.6.2.2 thorpej (srb->cmd[0] == REQUEST_SENSE)) { 962 1.6.2.2 thorpej if (((dcb->mode & WIDE_NEGO_ENABLE) && 963 1.6.2.2 thorpej (dcb->mode & WIDE_NEGO_DONE) == 0) || 964 1.6.2.2 thorpej ((dcb->mode & SYNC_NEGO_ENABLE) && 965 1.6.2.2 thorpej (dcb->mode & SYNC_NEGO_DONE) == 0)) { 966 1.6.2.2 thorpej if ((dcb->idmsg & 7) == 0 || srb->cmd[0] != INQUIRY) { 967 1.6.2.2 thorpej scsicmd = SCMD_SEL_ATNSTOP; 968 1.6.2.2 thorpej srb->state = SRB_MSGOUT; 969 1.6.2.2 thorpej goto polling; 970 1.6.2.2 thorpej } 971 1.6.2.2 thorpej } 972 1.6.2.2 thorpej /* Send identify message */ 973 1.6.2.2 thorpej bus_space_write_1(iot, ioh, TRM_SCSI_FIFO, 974 1.6.2.2 thorpej idmsg & ~MSG_IDENTIFY_DISCFLAG); 975 1.6.2.2 thorpej scsicmd = SCMD_SEL_ATN; 976 1.6.2.2 thorpej srb->state = SRB_START_; 977 1.6.2.2 thorpej } else { /* not inquiry,request sense,auto request sense */ 978 1.6.2.2 thorpej /* Send identify message */ 979 1.6.2.2 thorpej bus_space_write_1(iot, ioh, TRM_SCSI_FIFO, idmsg); 980 1.6.2.2 thorpej DELAY(30); 981 1.6.2.2 thorpej scsicmd = SCMD_SEL_ATN; 982 1.6.2.2 thorpej srb->state = SRB_START_; 983 1.6.2.2 thorpej if (dcb->mode & EN_TAG_QUEUING) { 984 1.6.2.2 thorpej /* Send Tag message, get tag id */ 985 1.6.2.2 thorpej tagmask = 1; 986 1.6.2.2 thorpej tagnum = 0; 987 1.6.2.2 thorpej while (tagmask & dcb->tagmask) { 988 1.6.2.2 thorpej tagmask = tagmask << 1; 989 1.6.2.2 thorpej tagnum++; 990 1.6.2.2 thorpej } 991 1.6.2.2 thorpej /* Send Tag id */ 992 1.6.2.2 thorpej bus_space_write_1(iot, ioh, TRM_SCSI_FIFO, 993 1.6.2.2 thorpej MSG_SIMPLE_Q_TAG); 994 1.6.2.2 thorpej bus_space_write_1(iot, ioh, TRM_SCSI_FIFO, tagnum); 995 1.6.2.2 thorpej 996 1.6.2.2 thorpej dcb->tagmask |= tagmask; 997 1.6.2.2 thorpej srb->tagnum = tagnum; 998 1.6.2.2 thorpej 999 1.6.2.2 thorpej scsicmd = SCMD_SEL_ATN3; 1000 1.6.2.2 thorpej srb->state = SRB_START_; 1001 1.6.2.2 thorpej } 1002 1.6.2.2 thorpej } 1003 1.6.2.2 thorpej polling: 1004 1.6.2.2 thorpej /* 1005 1.6.2.2 thorpej * Send CDB ..command block... 1006 1.6.2.2 thorpej */ 1007 1.6.2.2 thorpej bus_space_write_multi_1(iot, ioh, TRM_SCSI_FIFO, srb->cmd, srb->cmdlen); 1008 1.6.2.2 thorpej 1009 1.6.2.2 thorpej if (bus_space_read_2(iot, ioh, TRM_SCSI_STATUS) & SCSIINTERRUPT) { 1010 1.6.2.2 thorpej /* 1011 1.6.2.2 thorpej * If trm_start_scsi return 1: current interrupt status 1012 1.6.2.2 thorpej * is interrupt disreenable. It's said that SCSI processor 1013 1.6.2.2 thorpej * has more one SRB need to do, SCSI processor has been 1014 1.6.2.2 thorpej * occupied by one SRB. 1015 1.6.2.2 thorpej */ 1016 1.6.2.2 thorpej srb->state = SRB_READY; 1017 1.6.2.2 thorpej dcb->tagmask &= ~(1 << srb->tagnum); 1018 1.6.2.2 thorpej return (1); 1019 1.6.2.2 thorpej } else { 1020 1.6.2.2 thorpej /* 1021 1.6.2.2 thorpej * If trm_start_scsi return 0: current interrupt status 1022 1.6.2.2 thorpej * is interrupt enable. It's said that SCSI processor is 1023 1.6.2.2 thorpej * unoccupied. 1024 1.6.2.2 thorpej */ 1025 1.6.2.2 thorpej srb->phase = PH_BUS_FREE; /* SCSI bus free Phase */ 1026 1.6.2.2 thorpej sc->sc_actdcb = dcb; 1027 1.6.2.2 thorpej dcb->actsrb = srb; 1028 1.6.2.2 thorpej bus_space_write_2(iot, ioh, TRM_SCSI_CONTROL, 1029 1.6.2.2 thorpej DO_DATALATCH | DO_HWRESELECT); 1030 1.6.2.2 thorpej /* it's important for atn stop */ 1031 1.6.2.2 thorpej /* 1032 1.6.2.2 thorpej * SCSI command 1033 1.6.2.2 thorpej */ 1034 1.6.2.2 thorpej bus_space_write_1(iot, ioh, TRM_SCSI_COMMAND, scsicmd); 1035 1.6.2.2 thorpej return (0); 1036 1.6.2.2 thorpej } 1037 1.6.2.2 thorpej } 1038 1.6.2.2 thorpej 1039 1.6.2.2 thorpej /* 1040 1.6.2.2 thorpej * Catch an interrupt from the adapter 1041 1.6.2.2 thorpej * Process pending device interrupts. 1042 1.6.2.2 thorpej */ 1043 1.6.2.2 thorpej static int 1044 1.6.2.2 thorpej trm_intr(vsc) 1045 1.6.2.2 thorpej void *vsc; 1046 1.6.2.2 thorpej { 1047 1.6.2.2 thorpej bus_space_tag_t iot; 1048 1.6.2.2 thorpej bus_space_handle_t ioh; 1049 1.6.2.2 thorpej struct trm_softc *sc; 1050 1.6.2.2 thorpej struct trm_dcb *dcb; 1051 1.6.2.2 thorpej struct trm_srb *srb; 1052 1.6.2.2 thorpej void (*state_v) (struct trm_softc *, struct trm_srb *, int *); 1053 1.6.2.2 thorpej int phase, intstat, stat = 0; 1054 1.6.2.2 thorpej 1055 1.6.2.2 thorpej #ifdef TRM_DEBUG 1056 1.6.2.2 thorpej printf("trm_intr......\n"); 1057 1.6.2.2 thorpej #endif 1058 1.6.2.2 thorpej sc = (struct trm_softc *)vsc; 1059 1.6.2.2 thorpej iot = sc->sc_iot; 1060 1.6.2.2 thorpej ioh = sc->sc_ioh; 1061 1.6.2.2 thorpej 1062 1.6.2.2 thorpej if (sc == NULL) 1063 1.6.2.2 thorpej return (0); 1064 1.6.2.2 thorpej 1065 1.6.2.2 thorpej stat = bus_space_read_2(iot, ioh, TRM_SCSI_STATUS); 1066 1.6.2.2 thorpej if ((stat & SCSIINTERRUPT) == 0) 1067 1.6.2.2 thorpej return (0); 1068 1.6.2.2 thorpej 1069 1.6.2.2 thorpej #ifdef TRM_DEBUG 1070 1.6.2.2 thorpej printf("stat=%2x,", stat); 1071 1.6.2.2 thorpej #endif 1072 1.6.2.2 thorpej intstat = bus_space_read_1(iot, ioh, TRM_SCSI_INTSTATUS); 1073 1.6.2.2 thorpej 1074 1.6.2.2 thorpej #ifdef TRM_DEBUG 1075 1.6.2.2 thorpej printf("intstat=%2x,", intstat); 1076 1.6.2.2 thorpej #endif 1077 1.6.2.2 thorpej if (intstat & (INT_SELTIMEOUT | INT_DISCONNECT)) { 1078 1.6.2.2 thorpej trm_disconnect(sc); 1079 1.6.2.2 thorpej return (1); 1080 1.6.2.2 thorpej } 1081 1.6.2.2 thorpej if (intstat & INT_RESELECTED) { 1082 1.6.2.2 thorpej trm_reselect(sc); 1083 1.6.2.2 thorpej return (1); 1084 1.6.2.2 thorpej } 1085 1.6.2.2 thorpej if (intstat & INT_SCSIRESET) { 1086 1.6.2.2 thorpej trm_scsi_reset_detect(sc); 1087 1.6.2.2 thorpej return (1); 1088 1.6.2.2 thorpej } 1089 1.6.2.2 thorpej if (intstat & (INT_BUSSERVICE | INT_CMDDONE)) { 1090 1.6.2.2 thorpej dcb = sc->sc_actdcb; 1091 1.6.2.2 thorpej srb = dcb->actsrb; 1092 1.6.2.2 thorpej if (dcb != NULL) 1093 1.6.2.2 thorpej if (dcb->flag & ABORT_DEV_) { 1094 1.6.2.2 thorpej srb->msgout[0] = MSG_ABORT; 1095 1.6.2.2 thorpej trm_msgout_abort(sc, srb); 1096 1.6.2.2 thorpej } 1097 1.6.2.2 thorpej /* 1098 1.6.2.2 thorpej * software sequential machine 1099 1.6.2.2 thorpej */ 1100 1.6.2.2 thorpej phase = srb->phase; /* phase: */ 1101 1.6.2.2 thorpej 1102 1.6.2.2 thorpej /* 1103 1.6.2.2 thorpej * 62037 or 62137 call trm_scsi_phase0[]... "phase 1104 1.6.2.2 thorpej * entry" handle every phase before start transfer 1105 1.6.2.2 thorpej */ 1106 1.6.2.2 thorpej state_v = (void *)trm_scsi_phase0[phase]; 1107 1.6.2.2 thorpej state_v(sc, srb, &stat); 1108 1.6.2.2 thorpej 1109 1.6.2.2 thorpej /* 1110 1.6.2.2 thorpej * if there were any exception occured 1111 1.6.2.2 thorpej * stat will be modify to bus free phase new 1112 1.6.2.2 thorpej * stat transfer out from ... prvious state_v 1113 1.6.2.2 thorpej * 1114 1.6.2.2 thorpej */ 1115 1.6.2.2 thorpej /* phase:0,1,2,3,4,5,6,7 */ 1116 1.6.2.2 thorpej srb->phase = stat & PHASEMASK; 1117 1.6.2.2 thorpej phase = stat & PHASEMASK; 1118 1.6.2.2 thorpej 1119 1.6.2.2 thorpej /* 1120 1.6.2.2 thorpej * call trm_scsi_phase1[]... "phase entry" handle every 1121 1.6.2.2 thorpej * phase do transfer 1122 1.6.2.2 thorpej */ 1123 1.6.2.2 thorpej state_v = (void *)trm_scsi_phase1[phase]; 1124 1.6.2.2 thorpej state_v(sc, srb, &stat); 1125 1.6.2.2 thorpej return (1); 1126 1.6.2.2 thorpej } 1127 1.6.2.2 thorpej return (0); 1128 1.6.2.2 thorpej } 1129 1.6.2.2 thorpej 1130 1.6.2.2 thorpej static void 1131 1.6.2.2 thorpej trm_msgout_phase0(sc, srb, pstat) 1132 1.6.2.2 thorpej struct trm_softc *sc; 1133 1.6.2.2 thorpej struct trm_srb *srb; 1134 1.6.2.2 thorpej int *pstat; 1135 1.6.2.2 thorpej { 1136 1.6.2.2 thorpej 1137 1.6.2.2 thorpej if (srb->state & (SRB_UNEXPECT_RESEL | SRB_ABORT_SENT)) 1138 1.6.2.2 thorpej *pstat = PH_BUS_FREE; /* .. initial phase */ 1139 1.6.2.2 thorpej } 1140 1.6.2.2 thorpej 1141 1.6.2.2 thorpej static void 1142 1.6.2.2 thorpej trm_msgout_phase1(sc, srb, pstat) 1143 1.6.2.2 thorpej struct trm_softc *sc; 1144 1.6.2.2 thorpej struct trm_srb *srb; 1145 1.6.2.2 thorpej int *pstat; 1146 1.6.2.2 thorpej { 1147 1.6.2.2 thorpej bus_space_tag_t iot = sc->sc_iot; 1148 1.6.2.2 thorpej bus_space_handle_t ioh = sc->sc_ioh; 1149 1.6.2.2 thorpej struct trm_dcb *dcb; 1150 1.6.2.2 thorpej 1151 1.6.2.2 thorpej bus_space_write_2(iot, ioh, TRM_SCSI_CONTROL, DO_CLRFIFO); 1152 1.6.2.2 thorpej dcb = sc->sc_actdcb; 1153 1.6.2.2 thorpej if ((srb->state & SRB_MSGOUT) == 0) { 1154 1.6.2.2 thorpej if (srb->msgcnt > 0) { 1155 1.6.2.2 thorpej bus_space_write_multi_1(iot, ioh, TRM_SCSI_FIFO, 1156 1.6.2.2 thorpej srb->msgout, srb->msgcnt); 1157 1.6.2.2 thorpej srb->msgcnt = 0; 1158 1.6.2.2 thorpej if ((dcb->flag & ABORT_DEV_) && 1159 1.6.2.2 thorpej (srb->msgout[0] == MSG_ABORT)) 1160 1.6.2.2 thorpej srb->state = SRB_ABORT_SENT; 1161 1.6.2.2 thorpej } else { 1162 1.6.2.2 thorpej if ((srb->cmd[0] == INQUIRY) || 1163 1.6.2.2 thorpej (srb->cmd[0] == REQUEST_SENSE)) 1164 1.6.2.2 thorpej if (dcb->mode & SYNC_NEGO_ENABLE) 1165 1.6.2.2 thorpej goto mop1; 1166 1.6.2.2 thorpej 1167 1.6.2.2 thorpej bus_space_write_1(iot, ioh, TRM_SCSI_FIFO, MSG_ABORT); 1168 1.6.2.2 thorpej } 1169 1.6.2.2 thorpej } else { 1170 1.6.2.2 thorpej mop1: /* message out phase */ 1171 1.6.2.2 thorpej if ((srb->state & SRB_DO_WIDE_NEGO) == 0 && 1172 1.6.2.2 thorpej (dcb->mode & WIDE_NEGO_ENABLE)) { 1173 1.6.2.2 thorpej /* 1174 1.6.2.2 thorpej * WIDE DATA TRANSFER REQUEST code (03h) 1175 1.6.2.2 thorpej */ 1176 1.6.2.2 thorpej dcb->mode &= ~(SYNC_NEGO_DONE | EN_ATN_STOP); 1177 1.6.2.2 thorpej bus_space_write_1(iot, ioh, TRM_SCSI_FIFO, 1178 1.6.2.2 thorpej dcb->idmsg & ~MSG_IDENTIFY_DISCFLAG); 1179 1.6.2.2 thorpej bus_space_write_1(iot, ioh, TRM_SCSI_FIFO, 1180 1.6.2.2 thorpej MSG_EXTENDED); /* (01h) */ 1181 1.6.2.2 thorpej 1182 1.6.2.2 thorpej /* Message length (02h) */ 1183 1.6.2.2 thorpej bus_space_write_1(iot, ioh, TRM_SCSI_FIFO, 1184 1.6.2.2 thorpej MSG_EXT_WDTR_LEN); 1185 1.6.2.2 thorpej 1186 1.6.2.2 thorpej /* wide data xfer (03h) */ 1187 1.6.2.2 thorpej bus_space_write_1(iot, ioh, TRM_SCSI_FIFO, 1188 1.6.2.2 thorpej MSG_EXT_WDTR); 1189 1.6.2.2 thorpej 1190 1.6.2.2 thorpej /* width: 0(8bit), 1(16bit) ,2(32bit) */ 1191 1.6.2.2 thorpej bus_space_write_1(iot, ioh, TRM_SCSI_FIFO, 1192 1.6.2.2 thorpej MSG_EXT_WDTR_BUS_16_BIT); 1193 1.6.2.2 thorpej 1194 1.6.2.2 thorpej srb->state |= SRB_DO_WIDE_NEGO; 1195 1.6.2.2 thorpej } else if ((srb->state & SRB_DO_SYNC_NEGO) == 0 && 1196 1.6.2.2 thorpej (dcb->mode & SYNC_NEGO_ENABLE)) { 1197 1.6.2.2 thorpej /* 1198 1.6.2.2 thorpej * SYNCHRONOUS DATA TRANSFER REQUEST code (01h) 1199 1.6.2.2 thorpej */ 1200 1.6.2.2 thorpej if ((dcb->mode & WIDE_NEGO_DONE) == 0) 1201 1.6.2.2 thorpej bus_space_write_1(iot, ioh, TRM_SCSI_FIFO, 1202 1.6.2.2 thorpej dcb->idmsg & ~MSG_IDENTIFY_DISCFLAG); 1203 1.6.2.2 thorpej 1204 1.6.2.2 thorpej bus_space_write_1(iot, ioh, TRM_SCSI_FIFO, 1205 1.6.2.2 thorpej MSG_EXTENDED); /* (01h) */ 1206 1.6.2.2 thorpej 1207 1.6.2.2 thorpej /* Message length (03h) */ 1208 1.6.2.2 thorpej bus_space_write_1(iot, ioh, TRM_SCSI_FIFO, 1209 1.6.2.2 thorpej MSG_EXT_SDTR_LEN); 1210 1.6.2.2 thorpej 1211 1.6.2.2 thorpej /* SYNCHRONOUS DATA TRANSFER REQUEST code (01h) */ 1212 1.6.2.2 thorpej bus_space_write_1(iot, ioh, TRM_SCSI_FIFO, 1213 1.6.2.2 thorpej MSG_EXT_SDTR); 1214 1.6.2.2 thorpej 1215 1.6.2.2 thorpej /* Transfer peeriod factor */ 1216 1.6.2.2 thorpej bus_space_write_1(iot, ioh, TRM_SCSI_FIFO, dcb->period); 1217 1.6.2.2 thorpej 1218 1.6.2.2 thorpej /* REQ/ACK offset */ 1219 1.6.2.2 thorpej bus_space_write_1(iot, ioh, TRM_SCSI_FIFO, 1220 1.6.2.2 thorpej SYNC_NEGO_OFFSET); 1221 1.6.2.2 thorpej srb->state |= SRB_DO_SYNC_NEGO; 1222 1.6.2.2 thorpej } 1223 1.6.2.2 thorpej } 1224 1.6.2.2 thorpej /* it's important for atn stop */ 1225 1.6.2.2 thorpej bus_space_write_2(iot, ioh, TRM_SCSI_CONTROL, DO_DATALATCH); 1226 1.6.2.2 thorpej 1227 1.6.2.2 thorpej /* 1228 1.6.2.2 thorpej * SCSI cammand 1229 1.6.2.2 thorpej */ 1230 1.6.2.2 thorpej bus_space_write_1(iot, ioh, TRM_SCSI_COMMAND, SCMD_FIFO_OUT); 1231 1.6.2.2 thorpej } 1232 1.6.2.2 thorpej 1233 1.6.2.2 thorpej static void 1234 1.6.2.2 thorpej trm_command_phase0(sc, srb, pstat) 1235 1.6.2.2 thorpej struct trm_softc *sc; 1236 1.6.2.2 thorpej struct trm_srb *srb; 1237 1.6.2.2 thorpej int *pstat; 1238 1.6.2.2 thorpej { 1239 1.6.2.2 thorpej 1240 1.6.2.2 thorpej } 1241 1.6.2.2 thorpej 1242 1.6.2.2 thorpej static void 1243 1.6.2.2 thorpej trm_command_phase1(sc, srb, pstat) 1244 1.6.2.2 thorpej struct trm_softc *sc; 1245 1.6.2.2 thorpej struct trm_srb *srb; 1246 1.6.2.2 thorpej int *pstat; 1247 1.6.2.2 thorpej { 1248 1.6.2.2 thorpej bus_space_tag_t iot = sc->sc_iot; 1249 1.6.2.2 thorpej bus_space_handle_t ioh = sc->sc_ioh; 1250 1.6.2.2 thorpej 1251 1.6.2.2 thorpej bus_space_write_2(iot, ioh, TRM_SCSI_CONTROL, DO_CLRATN | DO_CLRFIFO); 1252 1.6.2.2 thorpej bus_space_write_multi_1(iot, ioh, TRM_SCSI_FIFO, srb->cmd, srb->cmdlen); 1253 1.6.2.2 thorpej 1254 1.6.2.2 thorpej srb->state = SRB_COMMAND; 1255 1.6.2.2 thorpej /* it's important for atn stop */ 1256 1.6.2.2 thorpej bus_space_write_2(iot, ioh, TRM_SCSI_CONTROL, DO_DATALATCH); 1257 1.6.2.2 thorpej 1258 1.6.2.2 thorpej /* 1259 1.6.2.2 thorpej * SCSI cammand 1260 1.6.2.2 thorpej */ 1261 1.6.2.2 thorpej bus_space_write_1(iot, ioh, TRM_SCSI_COMMAND, SCMD_FIFO_OUT); 1262 1.6.2.2 thorpej } 1263 1.6.2.2 thorpej 1264 1.6.2.2 thorpej static void 1265 1.6.2.2 thorpej trm_dataout_phase0(sc, srb, pstat) 1266 1.6.2.2 thorpej struct trm_softc *sc; 1267 1.6.2.2 thorpej struct trm_srb *srb; 1268 1.6.2.2 thorpej int *pstat; 1269 1.6.2.2 thorpej { 1270 1.6.2.2 thorpej bus_space_tag_t iot = sc->sc_iot; 1271 1.6.2.2 thorpej bus_space_handle_t ioh = sc->sc_ioh; 1272 1.6.2.2 thorpej struct trm_dcb *dcb; 1273 1.6.2.2 thorpej struct trm_sg_entry *sg; 1274 1.6.2.2 thorpej int sgindex; 1275 1.6.2.2 thorpej u_int32_t xferlen, leftcnt = 0; 1276 1.6.2.2 thorpej 1277 1.6.2.2 thorpej dcb = srb->dcb; 1278 1.6.2.2 thorpej 1279 1.6.2.2 thorpej if ((srb->state & SRB_XFERPAD) == 0) { 1280 1.6.2.2 thorpej if (*pstat & PARITYERROR) 1281 1.6.2.2 thorpej srb->srbstat |= PARITY_ERROR; 1282 1.6.2.2 thorpej 1283 1.6.2.2 thorpej if ((*pstat & SCSIXFERDONE) == 0) { 1284 1.6.2.2 thorpej /* 1285 1.6.2.2 thorpej * when data transfer from DMA FIFO to SCSI FIFO 1286 1.6.2.2 thorpej * if there was some data left in SCSI FIFO 1287 1.6.2.2 thorpej */ 1288 1.6.2.2 thorpej leftcnt = bus_space_read_1(iot, ioh, TRM_SCSI_FIFOCNT) & 1289 1.6.2.2 thorpej SCSI_FIFOCNT_MASK; 1290 1.6.2.2 thorpej if (dcb->synctl & WIDE_SYNC) 1291 1.6.2.2 thorpej /* 1292 1.6.2.2 thorpej * if WIDE scsi SCSI FIFOCNT unit is word 1293 1.6.2.2 thorpej * so need to * 2 1294 1.6.2.2 thorpej */ 1295 1.6.2.2 thorpej leftcnt <<= 1; 1296 1.6.2.2 thorpej } 1297 1.6.2.2 thorpej /* 1298 1.6.2.2 thorpej * caculate all the residue data that not yet tranfered 1299 1.6.2.2 thorpej * SCSI transfer counter + left in SCSI FIFO data 1300 1.6.2.2 thorpej * 1301 1.6.2.2 thorpej * .....TRM_SCSI_XCNT (24bits) 1302 1.6.2.2 thorpej * The counter always decrement by one for every SCSI 1303 1.6.2.2 thorpej * byte transfer. 1304 1.6.2.2 thorpej * .....TRM_SCSI_FIFOCNT ( 5bits) 1305 1.6.2.2 thorpej * The counter is SCSI FIFO offset counter 1306 1.6.2.2 thorpej */ 1307 1.6.2.2 thorpej leftcnt += bus_space_read_4(iot, ioh, TRM_SCSI_XCNT); 1308 1.6.2.2 thorpej if (leftcnt == 1) { 1309 1.6.2.2 thorpej leftcnt = 0; 1310 1.6.2.2 thorpej bus_space_write_2(iot, ioh, TRM_SCSI_CONTROL, 1311 1.6.2.2 thorpej DO_CLRFIFO); 1312 1.6.2.2 thorpej } 1313 1.6.2.2 thorpej if ((leftcnt == 0) || (*pstat & SCSIXFERCNT_2_ZERO)) { 1314 1.6.2.2 thorpej while ((bus_space_read_1(iot, ioh, TRM_DMA_STATUS) & 1315 1.6.2.2 thorpej DMAXFERCOMP) == 0) 1316 1.6.2.2 thorpej ; 1317 1.6.2.2 thorpej 1318 1.6.2.2 thorpej srb->buflen = 0; 1319 1.6.2.2 thorpej } else { /* Update SG list */ 1320 1.6.2.2 thorpej /* 1321 1.6.2.2 thorpej * if transfer not yet complete 1322 1.6.2.2 thorpej * there were some data residue in SCSI FIFO or 1323 1.6.2.2 thorpej * SCSI transfer counter not empty 1324 1.6.2.2 thorpej */ 1325 1.6.2.2 thorpej if (srb->buflen != leftcnt) { 1326 1.6.2.2 thorpej /* data that had transferred length */ 1327 1.6.2.2 thorpej xferlen = srb->buflen - leftcnt; 1328 1.6.2.2 thorpej 1329 1.6.2.2 thorpej /* next time to be transferred length */ 1330 1.6.2.2 thorpej srb->buflen = leftcnt; 1331 1.6.2.2 thorpej 1332 1.6.2.2 thorpej /* 1333 1.6.2.2 thorpej * parsing from last time disconnect sgindex 1334 1.6.2.2 thorpej */ 1335 1.6.2.2 thorpej sg = srb->sgentry + srb->sgindex; 1336 1.6.2.2 thorpej for (sgindex = srb->sgindex; 1337 1.6.2.2 thorpej sgindex < srb->sgcnt; 1338 1.6.2.2 thorpej sgindex++, sg++) { 1339 1.6.2.2 thorpej /* 1340 1.6.2.2 thorpej * find last time which SG transfer 1341 1.6.2.2 thorpej * be disconnect 1342 1.6.2.2 thorpej */ 1343 1.6.2.2 thorpej if (xferlen >= le32toh(sg->length)) 1344 1.6.2.2 thorpej xferlen -= le32toh(sg->length); 1345 1.6.2.2 thorpej else { 1346 1.6.2.2 thorpej /* 1347 1.6.2.2 thorpej * update last time 1348 1.6.2.2 thorpej * disconnected SG list 1349 1.6.2.2 thorpej */ 1350 1.6.2.2 thorpej /* residue data length */ 1351 1.6.2.2 thorpej sg->length = htole32( 1352 1.6.2.2 thorpej le32toh(sg->length) 1353 1.6.2.2 thorpej - xferlen); 1354 1.6.2.2 thorpej /* residue data pointer */ 1355 1.6.2.2 thorpej sg->address = htole32( 1356 1.6.2.2 thorpej le32toh(sg->address) 1357 1.6.2.2 thorpej + xferlen); 1358 1.6.2.2 thorpej srb->sgindex = sgindex; 1359 1.6.2.2 thorpej break; 1360 1.6.2.2 thorpej } 1361 1.6.2.2 thorpej } 1362 1.6.2.2 thorpej bus_dmamap_sync(sc->sc_dmat, sc->sc_dmamap, 1363 1.6.2.2 thorpej srb->sgoffset, TRM_SG_SIZE, 1364 1.6.2.2 thorpej BUS_DMASYNC_PREWRITE); 1365 1.6.2.2 thorpej } 1366 1.6.2.2 thorpej } 1367 1.6.2.2 thorpej } 1368 1.6.2.2 thorpej bus_space_write_1(iot, ioh, TRM_DMA_CONTROL, STOPDMAXFER); 1369 1.6.2.2 thorpej } 1370 1.6.2.2 thorpej 1371 1.6.2.2 thorpej static void 1372 1.6.2.2 thorpej trm_dataout_phase1(sc, srb, pstat) 1373 1.6.2.2 thorpej struct trm_softc *sc; 1374 1.6.2.2 thorpej struct trm_srb *srb; 1375 1.6.2.2 thorpej int *pstat; 1376 1.6.2.2 thorpej { 1377 1.6.2.2 thorpej 1378 1.6.2.2 thorpej /* 1379 1.6.2.2 thorpej * do prepare befor transfer when data out phase 1380 1.6.2.2 thorpej */ 1381 1.6.2.2 thorpej trm_dataio_xfer(sc, srb, XFERDATAOUT); 1382 1.6.2.2 thorpej } 1383 1.6.2.2 thorpej 1384 1.6.2.2 thorpej static void 1385 1.6.2.2 thorpej trm_datain_phase0(sc, srb, pstat) 1386 1.6.2.2 thorpej struct trm_softc *sc; 1387 1.6.2.2 thorpej struct trm_srb *srb; 1388 1.6.2.2 thorpej int *pstat; 1389 1.6.2.2 thorpej { 1390 1.6.2.2 thorpej bus_space_tag_t iot = sc->sc_iot; 1391 1.6.2.2 thorpej bus_space_handle_t ioh = sc->sc_ioh; 1392 1.6.2.2 thorpej struct trm_sg_entry *sg; 1393 1.6.2.2 thorpej int sgindex; 1394 1.6.2.2 thorpej u_int32_t xferlen, leftcnt = 0; 1395 1.6.2.2 thorpej 1396 1.6.2.2 thorpej if ((srb->state & SRB_XFERPAD) == 0) { 1397 1.6.2.2 thorpej if (*pstat & PARITYERROR) 1398 1.6.2.2 thorpej srb->srbstat |= PARITY_ERROR; 1399 1.6.2.2 thorpej 1400 1.6.2.2 thorpej leftcnt += bus_space_read_4(iot, ioh, TRM_SCSI_XCNT); 1401 1.6.2.2 thorpej if ((leftcnt == 0) || (*pstat & SCSIXFERCNT_2_ZERO)) { 1402 1.6.2.2 thorpej while ((bus_space_read_1(iot, ioh, TRM_DMA_STATUS) & 1403 1.6.2.2 thorpej DMAXFERCOMP) == 0) 1404 1.6.2.2 thorpej ; 1405 1.6.2.2 thorpej 1406 1.6.2.2 thorpej srb->buflen = 0; 1407 1.6.2.2 thorpej } else { /* phase changed */ 1408 1.6.2.2 thorpej /* 1409 1.6.2.2 thorpej * parsing the case: 1410 1.6.2.2 thorpej * when a transfer not yet complete 1411 1.6.2.2 thorpej * but be disconnected by uper layer 1412 1.6.2.2 thorpej * if transfer not yet complete 1413 1.6.2.2 thorpej * there were some data residue in SCSI FIFO or 1414 1.6.2.2 thorpej * SCSI transfer counter not empty 1415 1.6.2.2 thorpej */ 1416 1.6.2.2 thorpej if (srb->buflen != leftcnt) { 1417 1.6.2.2 thorpej /* 1418 1.6.2.2 thorpej * data that had transferred length 1419 1.6.2.2 thorpej */ 1420 1.6.2.2 thorpej xferlen = srb->buflen - leftcnt; 1421 1.6.2.2 thorpej 1422 1.6.2.2 thorpej /* 1423 1.6.2.2 thorpej * next time to be transferred length 1424 1.6.2.2 thorpej */ 1425 1.6.2.2 thorpej srb->buflen = leftcnt; 1426 1.6.2.2 thorpej 1427 1.6.2.2 thorpej /* 1428 1.6.2.2 thorpej * parsing from last time disconnect sgindex 1429 1.6.2.2 thorpej */ 1430 1.6.2.2 thorpej sg = srb->sgentry + srb->sgindex; 1431 1.6.2.2 thorpej for (sgindex = srb->sgindex; 1432 1.6.2.2 thorpej sgindex < srb->sgcnt; 1433 1.6.2.2 thorpej sgindex++, sg++) { 1434 1.6.2.2 thorpej /* 1435 1.6.2.2 thorpej * find last time which SG transfer 1436 1.6.2.2 thorpej * be disconnect 1437 1.6.2.2 thorpej */ 1438 1.6.2.2 thorpej if (xferlen >= le32toh(sg->length)) 1439 1.6.2.2 thorpej xferlen -= le32toh(sg->length); 1440 1.6.2.2 thorpej else { 1441 1.6.2.2 thorpej /* 1442 1.6.2.2 thorpej * update last time 1443 1.6.2.2 thorpej * disconnected SG list 1444 1.6.2.2 thorpej */ 1445 1.6.2.2 thorpej /* residue data length */ 1446 1.6.2.2 thorpej sg->length = htole32( 1447 1.6.2.2 thorpej le32toh(sg->length) 1448 1.6.2.2 thorpej - xferlen); 1449 1.6.2.2 thorpej /* residue data pointer */ 1450 1.6.2.2 thorpej sg->address = htole32( 1451 1.6.2.2 thorpej le32toh(sg->address) 1452 1.6.2.2 thorpej + xferlen); 1453 1.6.2.2 thorpej srb->sgindex = sgindex; 1454 1.6.2.2 thorpej break; 1455 1.6.2.2 thorpej } 1456 1.6.2.2 thorpej } 1457 1.6.2.2 thorpej bus_dmamap_sync(sc->sc_dmat, sc->sc_dmamap, 1458 1.6.2.2 thorpej srb->sgoffset, TRM_SG_SIZE, 1459 1.6.2.2 thorpej BUS_DMASYNC_PREWRITE); 1460 1.6.2.2 thorpej } 1461 1.6.2.2 thorpej } 1462 1.6.2.2 thorpej } 1463 1.6.2.2 thorpej } 1464 1.6.2.2 thorpej 1465 1.6.2.2 thorpej static void 1466 1.6.2.2 thorpej trm_datain_phase1(sc, srb, pstat) 1467 1.6.2.2 thorpej struct trm_softc *sc; 1468 1.6.2.2 thorpej struct trm_srb *srb; 1469 1.6.2.2 thorpej int *pstat; 1470 1.6.2.2 thorpej { 1471 1.6.2.2 thorpej 1472 1.6.2.2 thorpej /* 1473 1.6.2.2 thorpej * do prepare befor transfer when data in phase 1474 1.6.2.2 thorpej */ 1475 1.6.2.2 thorpej trm_dataio_xfer(sc, srb, XFERDATAIN); 1476 1.6.2.2 thorpej } 1477 1.6.2.2 thorpej 1478 1.6.2.2 thorpej static void 1479 1.6.2.2 thorpej trm_dataio_xfer(sc, srb, iodir) 1480 1.6.2.2 thorpej struct trm_softc *sc; 1481 1.6.2.2 thorpej struct trm_srb *srb; 1482 1.6.2.2 thorpej int iodir; 1483 1.6.2.2 thorpej { 1484 1.6.2.2 thorpej bus_space_tag_t iot = sc->sc_iot; 1485 1.6.2.2 thorpej bus_space_handle_t ioh = sc->sc_ioh; 1486 1.6.2.2 thorpej struct trm_dcb *dcb = srb->dcb; 1487 1.6.2.2 thorpej 1488 1.6.2.2 thorpej if (srb->sgindex < srb->sgcnt) { 1489 1.6.2.2 thorpej if (srb->buflen > 0) { 1490 1.6.2.2 thorpej /* 1491 1.6.2.2 thorpej * load what physical address of Scatter/Gather 1492 1.6.2.2 thorpej * list table want to be transfer 1493 1.6.2.2 thorpej */ 1494 1.6.2.2 thorpej srb->state = SRB_DATA_XFER; 1495 1.6.2.2 thorpej bus_space_write_4(iot, ioh, TRM_DMA_XHIGHADDR, 0); 1496 1.6.2.2 thorpej bus_space_write_4(iot, ioh, TRM_DMA_XLOWADDR, 1497 1.6.2.2 thorpej srb->sgaddr + 1498 1.6.2.2 thorpej srb->sgindex * sizeof(struct trm_sg_entry)); 1499 1.6.2.2 thorpej /* 1500 1.6.2.2 thorpej * load how many bytes in the Scatter/Gather list table 1501 1.6.2.2 thorpej */ 1502 1.6.2.2 thorpej bus_space_write_4(iot, ioh, TRM_DMA_XCNT, 1503 1.6.2.2 thorpej (srb->sgcnt - srb->sgindex) 1504 1.6.2.2 thorpej * sizeof(struct trm_sg_entry)); 1505 1.6.2.2 thorpej /* 1506 1.6.2.2 thorpej * load total xfer length (24bits) max value 16Mbyte 1507 1.6.2.2 thorpej */ 1508 1.6.2.2 thorpej bus_space_write_4(iot, ioh, TRM_SCSI_XCNT, srb->buflen); 1509 1.6.2.2 thorpej /* Start DMA transfer */ 1510 1.6.2.2 thorpej bus_space_write_1(iot, ioh, TRM_DMA_COMMAND, 1511 1.6.2.2 thorpej iodir | SGXFER); 1512 1.6.2.2 thorpej bus_space_write_1(iot, ioh, TRM_DMA_CONTROL, 1513 1.6.2.2 thorpej STARTDMAXFER); 1514 1.6.2.2 thorpej 1515 1.6.2.2 thorpej /* Start SCSI transfer */ 1516 1.6.2.2 thorpej /* it's important for atn stop */ 1517 1.6.2.2 thorpej bus_space_write_2(iot, ioh, TRM_SCSI_CONTROL, 1518 1.6.2.2 thorpej DO_DATALATCH); 1519 1.6.2.2 thorpej 1520 1.6.2.2 thorpej /* 1521 1.6.2.2 thorpej * SCSI cammand 1522 1.6.2.2 thorpej */ 1523 1.6.2.2 thorpej bus_space_write_1(iot, ioh, TRM_SCSI_COMMAND, 1524 1.6.2.2 thorpej (iodir == XFERDATAOUT) ? 1525 1.6.2.2 thorpej SCMD_DMA_OUT : SCMD_DMA_IN); 1526 1.6.2.2 thorpej } else { /* xfer pad */ 1527 1.6.2.2 thorpej if (srb->sgcnt) { 1528 1.6.2.2 thorpej srb->hastat = H_OVER_UNDER_RUN; 1529 1.6.2.2 thorpej srb->srbstat |= OVER_RUN; 1530 1.6.2.2 thorpej } 1531 1.6.2.2 thorpej bus_space_write_4(iot, ioh, TRM_SCSI_XCNT, 1532 1.6.2.2 thorpej (dcb->synctl & WIDE_SYNC) ? 2 : 1); 1533 1.6.2.2 thorpej 1534 1.6.2.2 thorpej if (iodir == XFERDATAOUT) 1535 1.6.2.2 thorpej bus_space_write_2(iot, ioh, TRM_SCSI_FIFO, 0); 1536 1.6.2.2 thorpej else 1537 1.6.2.2 thorpej bus_space_read_2(iot, ioh, TRM_SCSI_FIFO); 1538 1.6.2.2 thorpej 1539 1.6.2.2 thorpej srb->state |= SRB_XFERPAD; 1540 1.6.2.2 thorpej /* it's important for atn stop */ 1541 1.6.2.2 thorpej bus_space_write_2(iot, ioh, TRM_SCSI_CONTROL, 1542 1.6.2.2 thorpej DO_DATALATCH); 1543 1.6.2.2 thorpej 1544 1.6.2.2 thorpej /* 1545 1.6.2.2 thorpej * SCSI cammand 1546 1.6.2.2 thorpej */ 1547 1.6.2.2 thorpej bus_space_write_1(iot, ioh, TRM_SCSI_COMMAND, 1548 1.6.2.2 thorpej (iodir == XFERDATAOUT) ? 1549 1.6.2.2 thorpej SCMD_FIFO_OUT : SCMD_FIFO_IN); 1550 1.6.2.2 thorpej } 1551 1.6.2.2 thorpej } 1552 1.6.2.2 thorpej } 1553 1.6.2.2 thorpej 1554 1.6.2.2 thorpej static void 1555 1.6.2.2 thorpej trm_status_phase0(sc, srb, pstat) 1556 1.6.2.2 thorpej struct trm_softc *sc; 1557 1.6.2.2 thorpej struct trm_srb *srb; 1558 1.6.2.2 thorpej int *pstat; 1559 1.6.2.2 thorpej { 1560 1.6.2.2 thorpej bus_space_tag_t iot = sc->sc_iot; 1561 1.6.2.2 thorpej bus_space_handle_t ioh = sc->sc_ioh; 1562 1.6.2.2 thorpej 1563 1.6.2.2 thorpej srb->tastat = bus_space_read_1(iot, ioh, TRM_SCSI_FIFO); 1564 1.6.2.2 thorpej srb->state = SRB_COMPLETED; 1565 1.6.2.2 thorpej *pstat = PH_BUS_FREE; /* .. initial phase */ 1566 1.6.2.2 thorpej /* it's important for atn stop */ 1567 1.6.2.2 thorpej bus_space_write_2(iot, ioh, TRM_SCSI_CONTROL, DO_DATALATCH); 1568 1.6.2.2 thorpej 1569 1.6.2.2 thorpej /* 1570 1.6.2.2 thorpej * SCSI cammand 1571 1.6.2.2 thorpej */ 1572 1.6.2.2 thorpej bus_space_write_1(iot, ioh, TRM_SCSI_COMMAND, SCMD_MSGACCEPT); 1573 1.6.2.2 thorpej } 1574 1.6.2.2 thorpej 1575 1.6.2.2 thorpej static void 1576 1.6.2.2 thorpej trm_status_phase1(sc, srb, pstat) 1577 1.6.2.2 thorpej struct trm_softc *sc; 1578 1.6.2.2 thorpej struct trm_srb *srb; 1579 1.6.2.2 thorpej int *pstat; 1580 1.6.2.2 thorpej { 1581 1.6.2.2 thorpej bus_space_tag_t iot = sc->sc_iot; 1582 1.6.2.2 thorpej bus_space_handle_t ioh = sc->sc_ioh; 1583 1.6.2.2 thorpej 1584 1.6.2.2 thorpej if (bus_space_read_1(iot, ioh, TRM_DMA_COMMAND) & XFERDATAIN) { 1585 1.6.2.2 thorpej if ((bus_space_read_1(iot, ioh, TRM_SCSI_FIFOCNT) 1586 1.6.2.2 thorpej & SCSI_FIFO_EMPTY) == 0) 1587 1.6.2.2 thorpej bus_space_write_2(iot, ioh, 1588 1.6.2.2 thorpej TRM_SCSI_CONTROL, DO_CLRFIFO); 1589 1.6.2.2 thorpej if ((bus_space_read_1(iot, ioh, TRM_DMA_FIFOSTATUS) 1590 1.6.2.2 thorpej & DMA_FIFO_EMPTY) == 0) 1591 1.6.2.2 thorpej bus_space_write_1(iot, ioh, TRM_DMA_CONTROL, CLRXFIFO); 1592 1.6.2.2 thorpej } else { 1593 1.6.2.2 thorpej if ((bus_space_read_1(iot, ioh, TRM_DMA_FIFOSTATUS) 1594 1.6.2.2 thorpej & DMA_FIFO_EMPTY) == 0) 1595 1.6.2.2 thorpej bus_space_write_1(iot, ioh, TRM_DMA_CONTROL, CLRXFIFO); 1596 1.6.2.2 thorpej if ((bus_space_read_1(iot, ioh, TRM_SCSI_FIFOCNT) 1597 1.6.2.2 thorpej & SCSI_FIFO_EMPTY) == 0) 1598 1.6.2.2 thorpej bus_space_write_2(iot, ioh, 1599 1.6.2.2 thorpej TRM_SCSI_CONTROL, DO_CLRFIFO); 1600 1.6.2.2 thorpej } 1601 1.6.2.2 thorpej srb->state = SRB_STATUS; 1602 1.6.2.2 thorpej /* it's important for atn stop */ 1603 1.6.2.2 thorpej bus_space_write_2(iot, ioh, TRM_SCSI_CONTROL, DO_DATALATCH); 1604 1.6.2.2 thorpej 1605 1.6.2.2 thorpej /* 1606 1.6.2.2 thorpej * SCSI cammand 1607 1.6.2.2 thorpej */ 1608 1.6.2.2 thorpej bus_space_write_1(iot, ioh, TRM_SCSI_COMMAND, SCMD_COMP); 1609 1.6.2.2 thorpej } 1610 1.6.2.2 thorpej 1611 1.6.2.2 thorpej static void 1612 1.6.2.2 thorpej trm_msgin_phase0(sc, srb, pstat) 1613 1.6.2.2 thorpej struct trm_softc *sc; 1614 1.6.2.2 thorpej struct trm_srb *srb; 1615 1.6.2.2 thorpej int *pstat; 1616 1.6.2.2 thorpej { 1617 1.6.2.2 thorpej bus_space_tag_t iot = sc->sc_iot; 1618 1.6.2.2 thorpej bus_space_handle_t ioh = sc->sc_ioh; 1619 1.6.2.2 thorpej struct trm_dcb *dcb = sc->sc_actdcb; 1620 1.6.2.2 thorpej struct trm_srb *tempsrb; 1621 1.6.2.2 thorpej int syncxfer, tagid, index; 1622 1.6.2.2 thorpej u_int8_t msgin_code; 1623 1.6.2.2 thorpej 1624 1.6.2.2 thorpej msgin_code = bus_space_read_1(iot, ioh, TRM_SCSI_FIFO); 1625 1.6.2.2 thorpej if ((srb->state & SRB_EXTEND_MSGIN) == 0) { 1626 1.6.2.2 thorpej if (msgin_code == MSG_DISCONNECT) { 1627 1.6.2.2 thorpej srb->state = SRB_DISCONNECT; 1628 1.6.2.2 thorpej goto min6; 1629 1.6.2.2 thorpej } else if (msgin_code == MSG_SAVEDATAPOINTER) { 1630 1.6.2.2 thorpej goto min6; 1631 1.6.2.2 thorpej } else if ((msgin_code == MSG_EXTENDED) || 1632 1.6.2.2 thorpej ((msgin_code >= MSG_SIMPLE_Q_TAG) && 1633 1.6.2.2 thorpej (msgin_code <= MSG_ORDERED_Q_TAG))) { 1634 1.6.2.2 thorpej srb->state |= SRB_EXTEND_MSGIN; 1635 1.6.2.2 thorpej /* extended message (01h) */ 1636 1.6.2.2 thorpej srb->msgin[0] = msgin_code; 1637 1.6.2.2 thorpej 1638 1.6.2.2 thorpej srb->msgcnt = 1; 1639 1.6.2.2 thorpej /* extended message length (n) */ 1640 1.6.2.2 thorpej srb->msg = &srb->msgin[1]; 1641 1.6.2.2 thorpej 1642 1.6.2.2 thorpej goto min6; 1643 1.6.2.2 thorpej } else if (msgin_code == MSG_MESSAGE_REJECT) { 1644 1.6.2.2 thorpej /* Reject message */ 1645 1.6.2.2 thorpej /* do wide nego reject */ 1646 1.6.2.2 thorpej if (dcb->mode & WIDE_NEGO_ENABLE) { 1647 1.6.2.2 thorpej dcb = srb->dcb; 1648 1.6.2.2 thorpej dcb->mode |= WIDE_NEGO_DONE; 1649 1.6.2.2 thorpej dcb->mode &= ~(SYNC_NEGO_DONE | EN_ATN_STOP | 1650 1.6.2.2 thorpej WIDE_NEGO_ENABLE); 1651 1.6.2.2 thorpej srb->state &= ~(SRB_DO_WIDE_NEGO | SRB_MSGIN); 1652 1.6.2.2 thorpej if ((dcb->mode & SYNC_NEGO_ENABLE) && 1653 1.6.2.2 thorpej (dcb->mode & SYNC_NEGO_DONE) == 0) { 1654 1.6.2.2 thorpej /* Set ATN, in case ATN was clear */ 1655 1.6.2.2 thorpej srb->state |= SRB_MSGOUT; 1656 1.6.2.2 thorpej bus_space_write_2(iot, ioh, 1657 1.6.2.2 thorpej TRM_SCSI_CONTROL, DO_SETATN); 1658 1.6.2.2 thorpej } else 1659 1.6.2.2 thorpej /* Clear ATN */ 1660 1.6.2.2 thorpej bus_space_write_2(iot, ioh, 1661 1.6.2.2 thorpej TRM_SCSI_CONTROL, DO_CLRATN); 1662 1.6.2.2 thorpej } else if (dcb->mode & SYNC_NEGO_ENABLE) { 1663 1.6.2.2 thorpej /* do sync nego reject */ 1664 1.6.2.2 thorpej bus_space_write_2(iot, ioh, 1665 1.6.2.2 thorpej TRM_SCSI_CONTROL, DO_CLRATN); 1666 1.6.2.2 thorpej if (srb->state & SRB_DO_SYNC_NEGO) { 1667 1.6.2.2 thorpej dcb = srb->dcb; 1668 1.6.2.2 thorpej dcb->mode &= ~(SYNC_NEGO_ENABLE | 1669 1.6.2.2 thorpej SYNC_NEGO_DONE); 1670 1.6.2.2 thorpej dcb->synctl = 0; 1671 1.6.2.2 thorpej dcb->offset = 0; 1672 1.6.2.2 thorpej goto re_prog; 1673 1.6.2.2 thorpej } 1674 1.6.2.2 thorpej } 1675 1.6.2.2 thorpej goto min6; 1676 1.6.2.2 thorpej } else if (msgin_code == MSG_IGN_WIDE_RESIDUE) { 1677 1.6.2.2 thorpej bus_space_write_4(iot, ioh, TRM_SCSI_XCNT, 1); 1678 1.6.2.2 thorpej bus_space_read_1(iot, ioh, TRM_SCSI_FIFO); 1679 1.6.2.2 thorpej goto min6; 1680 1.6.2.2 thorpej } else { 1681 1.6.2.2 thorpej /* 1682 1.6.2.2 thorpej * Restore data pointer message 1683 1.6.2.2 thorpej * Save data pointer message 1684 1.6.2.2 thorpej * Completion message 1685 1.6.2.2 thorpej * NOP message 1686 1.6.2.2 thorpej */ 1687 1.6.2.2 thorpej goto min6; 1688 1.6.2.2 thorpej } 1689 1.6.2.2 thorpej } else { 1690 1.6.2.2 thorpej /* 1691 1.6.2.2 thorpej * when extend message in:srb->state = SRB_EXTEND_MSGIN 1692 1.6.2.2 thorpej * Parsing incomming extented messages 1693 1.6.2.2 thorpej */ 1694 1.6.2.2 thorpej *srb->msg = msgin_code; 1695 1.6.2.2 thorpej srb->msgcnt++; 1696 1.6.2.2 thorpej srb->msg++; 1697 1.6.2.2 thorpej #ifdef TRM_DEBUG 1698 1.6.2.2 thorpej printf("srb->msgin[0]=%2x\n", srb->msgin[0]); 1699 1.6.2.2 thorpej printf("srb->msgin[1]=%2x\n", srb->msgin[1]); 1700 1.6.2.2 thorpej printf("srb->msgin[2]=%2x\n", srb->msgin[2]); 1701 1.6.2.2 thorpej printf("srb->msgin[3]=%2x\n", srb->msgin[3]); 1702 1.6.2.2 thorpej printf("srb->msgin[4]=%2x\n", srb->msgin[4]); 1703 1.6.2.2 thorpej #endif 1704 1.6.2.2 thorpej if ((srb->msgin[0] >= MSG_SIMPLE_Q_TAG) && 1705 1.6.2.2 thorpej (srb->msgin[0] <= MSG_ORDERED_Q_TAG)) { 1706 1.6.2.2 thorpej /* 1707 1.6.2.2 thorpej * is QUEUE tag message : 1708 1.6.2.2 thorpej * 1709 1.6.2.2 thorpej * byte 0: 1710 1.6.2.2 thorpej * HEAD QUEUE TAG (20h) 1711 1.6.2.2 thorpej * ORDERED QUEUE TAG (21h) 1712 1.6.2.2 thorpej * SIMPLE QUEUE TAG (22h) 1713 1.6.2.2 thorpej * byte 1: 1714 1.6.2.2 thorpej * Queue tag (00h - FFh) 1715 1.6.2.2 thorpej */ 1716 1.6.2.2 thorpej if (srb->msgcnt == 2) { 1717 1.6.2.2 thorpej srb->state = 0; 1718 1.6.2.2 thorpej tagid = srb->msgin[1]; 1719 1.6.2.2 thorpej srb = dcb->gosrb; 1720 1.6.2.2 thorpej tempsrb = dcb->last_gosrb; 1721 1.6.2.2 thorpej if (srb) { 1722 1.6.2.2 thorpej for (;;) { 1723 1.6.2.2 thorpej if (srb->tagnum != tagid) { 1724 1.6.2.2 thorpej if (srb == tempsrb) 1725 1.6.2.2 thorpej goto mingx0; 1726 1.6.2.2 thorpej 1727 1.6.2.2 thorpej srb = srb->next; 1728 1.6.2.2 thorpej } else 1729 1.6.2.2 thorpej break; 1730 1.6.2.2 thorpej } 1731 1.6.2.2 thorpej if (dcb->flag & ABORT_DEV_) { 1732 1.6.2.2 thorpej srb->state = SRB_ABORT_SENT; 1733 1.6.2.2 thorpej srb->msgout[0] = MSG_ABORT; 1734 1.6.2.2 thorpej trm_msgout_abort(sc, srb); 1735 1.6.2.2 thorpej } 1736 1.6.2.2 thorpej if ((srb->state & SRB_DISCONNECT) == 0) 1737 1.6.2.2 thorpej goto mingx0; 1738 1.6.2.2 thorpej 1739 1.6.2.2 thorpej dcb->actsrb = srb; 1740 1.6.2.2 thorpej srb->state = SRB_DATA_XFER; 1741 1.6.2.2 thorpej } else { 1742 1.6.2.2 thorpej mingx0: 1743 1.6.2.2 thorpej srb = &sc->sc_tempsrb; 1744 1.6.2.2 thorpej srb->state = SRB_UNEXPECT_RESEL; 1745 1.6.2.2 thorpej dcb->actsrb = srb; 1746 1.6.2.2 thorpej srb->msgout[0] = MSG_ABORT_TAG; 1747 1.6.2.2 thorpej trm_msgout_abort(sc, srb); 1748 1.6.2.2 thorpej } 1749 1.6.2.2 thorpej } 1750 1.6.2.2 thorpej } else if ((srb->msgin[0] == MSG_EXTENDED) && 1751 1.6.2.2 thorpej (srb->msgin[2] == MSG_EXT_WDTR) && 1752 1.6.2.2 thorpej (srb->msgcnt == 4)) { 1753 1.6.2.2 thorpej /* 1754 1.6.2.2 thorpej * is Wide data xfer Extended message : 1755 1.6.2.2 thorpej * ====================================== 1756 1.6.2.2 thorpej * WIDE DATA TRANSFER REQUEST 1757 1.6.2.2 thorpej * ====================================== 1758 1.6.2.2 thorpej * byte 0 : Extended message (01h) 1759 1.6.2.2 thorpej * byte 1 : Extended message length (02h) 1760 1.6.2.2 thorpej * byte 2 : WIDE DATA TRANSFER code (03h) 1761 1.6.2.2 thorpej * byte 3 : Transfer width exponent 1762 1.6.2.2 thorpej */ 1763 1.6.2.2 thorpej dcb = srb->dcb; 1764 1.6.2.2 thorpej srb->state &= ~(SRB_EXTEND_MSGIN | SRB_DO_WIDE_NEGO); 1765 1.6.2.2 thorpej if ((srb->msgin[1] != MSG_EXT_WDTR_LEN)) { 1766 1.6.2.2 thorpej /* Length is wrong, reject it */ 1767 1.6.2.2 thorpej dcb->mode &= 1768 1.6.2.2 thorpej ~(WIDE_NEGO_ENABLE | WIDE_NEGO_DONE); 1769 1.6.2.2 thorpej srb->msgcnt = 1; 1770 1.6.2.2 thorpej srb->msgin[0] = MSG_MESSAGE_REJECT; 1771 1.6.2.2 thorpej bus_space_write_2(iot, ioh, 1772 1.6.2.2 thorpej TRM_SCSI_CONTROL, DO_SETATN); 1773 1.6.2.2 thorpej goto min6; 1774 1.6.2.2 thorpej } 1775 1.6.2.2 thorpej if (dcb->mode & WIDE_NEGO_ENABLE) { 1776 1.6.2.2 thorpej /* Do wide negoniation */ 1777 1.6.2.2 thorpej if (srb->msgin[3] > MSG_EXT_WDTR_BUS_32_BIT) { 1778 1.6.2.2 thorpej /* reject_msg: */ 1779 1.6.2.2 thorpej dcb->mode &= ~(WIDE_NEGO_ENABLE | 1780 1.6.2.2 thorpej WIDE_NEGO_DONE); 1781 1.6.2.2 thorpej srb->msgcnt = 1; 1782 1.6.2.2 thorpej srb->msgin[0] = MSG_MESSAGE_REJECT; 1783 1.6.2.2 thorpej bus_space_write_2(iot, ioh, 1784 1.6.2.2 thorpej TRM_SCSI_CONTROL, DO_SETATN); 1785 1.6.2.2 thorpej goto min6; 1786 1.6.2.2 thorpej } 1787 1.6.2.2 thorpej if (srb->msgin[3] == MSG_EXT_WDTR_BUS_32_BIT) 1788 1.6.2.2 thorpej /* do 16 bits */ 1789 1.6.2.2 thorpej srb->msgin[3] = MSG_EXT_WDTR_BUS_16_BIT; 1790 1.6.2.2 thorpej else { 1791 1.6.2.2 thorpej if ((dcb->mode & WIDE_NEGO_DONE) == 0) { 1792 1.6.2.2 thorpej srb->state &= 1793 1.6.2.2 thorpej ~(SRB_DO_WIDE_NEGO | 1794 1.6.2.2 thorpej SRB_MSGIN); 1795 1.6.2.2 thorpej dcb->mode |= WIDE_NEGO_DONE; 1796 1.6.2.2 thorpej dcb->mode &= 1797 1.6.2.2 thorpej ~(SYNC_NEGO_DONE | 1798 1.6.2.2 thorpej EN_ATN_STOP | 1799 1.6.2.2 thorpej WIDE_NEGO_ENABLE); 1800 1.6.2.2 thorpej if (srb->msgin[3] != 1801 1.6.2.2 thorpej MSG_EXT_WDTR_BUS_8_BIT) 1802 1.6.2.2 thorpej /* is Wide data xfer */ 1803 1.6.2.2 thorpej dcb->synctl |= 1804 1.6.2.2 thorpej WIDE_SYNC; 1805 1.6.2.2 thorpej } 1806 1.6.2.2 thorpej } 1807 1.6.2.2 thorpej } else 1808 1.6.2.2 thorpej srb->msgin[3] = MSG_EXT_WDTR_BUS_8_BIT; 1809 1.6.2.2 thorpej 1810 1.6.2.2 thorpej srb->state |= SRB_MSGOUT; 1811 1.6.2.2 thorpej bus_space_write_2(iot, ioh, TRM_SCSI_CONTROL, 1812 1.6.2.2 thorpej DO_SETATN); 1813 1.6.2.2 thorpej goto min6; 1814 1.6.2.2 thorpej } else if ((srb->msgin[0] == MSG_EXTENDED) && 1815 1.6.2.2 thorpej (srb->msgin[2] == MSG_EXT_SDTR) && 1816 1.6.2.2 thorpej (srb->msgcnt == 5)) { 1817 1.6.2.2 thorpej /* 1818 1.6.2.2 thorpej * is 8bit transfer Extended message : 1819 1.6.2.2 thorpej * ================================= 1820 1.6.2.2 thorpej * SYNCHRONOUS DATA TRANSFER REQUEST 1821 1.6.2.2 thorpej * ================================= 1822 1.6.2.2 thorpej * byte 0 : Extended message (01h) 1823 1.6.2.2 thorpej * byte 1 : Extended message length (03) 1824 1.6.2.2 thorpej * byte 2 : SYNCHRONOUS DATA TRANSFER code (01h) 1825 1.6.2.2 thorpej * byte 3 : Transfer period factor 1826 1.6.2.2 thorpej * byte 4 : REQ/ACK offset 1827 1.6.2.2 thorpej */ 1828 1.6.2.2 thorpej srb->state &= ~(SRB_EXTEND_MSGIN | SRB_DO_SYNC_NEGO); 1829 1.6.2.2 thorpej if (srb->msgin[1] != MSG_EXT_SDTR_LEN) { 1830 1.6.2.2 thorpej /* reject_msg: */ 1831 1.6.2.2 thorpej srb->msgcnt = 1; 1832 1.6.2.2 thorpej srb->msgin[0] = MSG_MESSAGE_REJECT; 1833 1.6.2.2 thorpej bus_space_write_2(iot, ioh, TRM_SCSI_CONTROL, 1834 1.6.2.2 thorpej DO_SETATN); 1835 1.6.2.2 thorpej } else if (srb->msgin[3] == 0 || srb->msgin[4] == 0) { 1836 1.6.2.2 thorpej /* set async */ 1837 1.6.2.2 thorpej dcb = srb->dcb; 1838 1.6.2.2 thorpej /* disable sync & sync nego */ 1839 1.6.2.2 thorpej dcb->mode &= 1840 1.6.2.2 thorpej ~(SYNC_NEGO_ENABLE | SYNC_NEGO_DONE); 1841 1.6.2.2 thorpej dcb->synctl = 0; 1842 1.6.2.2 thorpej dcb->offset = 0; 1843 1.6.2.2 thorpej if (((dcb->flag & SHOW_MESSAGE_) == 0) && 1844 1.6.2.2 thorpej (dcb->lun == 0)) { 1845 1.6.2.2 thorpej printf("%s: target %d, Sync period=0 " 1846 1.6.2.2 thorpej "or Sync offset=0 to be " 1847 1.6.2.2 thorpej "asynchronous transfer\n", 1848 1.6.2.2 thorpej sc->sc_dev.dv_xname, dcb->id); 1849 1.6.2.2 thorpej dcb->flag |= SHOW_MESSAGE_; 1850 1.6.2.2 thorpej } 1851 1.6.2.2 thorpej goto re_prog; 1852 1.6.2.2 thorpej } else { /* set sync */ 1853 1.6.2.2 thorpej dcb = srb->dcb; 1854 1.6.2.2 thorpej dcb->mode |= SYNC_NEGO_ENABLE | SYNC_NEGO_DONE; 1855 1.6.2.2 thorpej 1856 1.6.2.2 thorpej /* Transfer period factor */ 1857 1.6.2.2 thorpej dcb->period = srb->msgin[3]; 1858 1.6.2.2 thorpej 1859 1.6.2.2 thorpej /* REQ/ACK offset */ 1860 1.6.2.2 thorpej dcb->offset = srb->msgin[4]; 1861 1.6.2.2 thorpej for (index = 0; index < 7; index++) 1862 1.6.2.2 thorpej if (srb->msgin[3] <= 1863 1.6.2.2 thorpej trm_clock_period[index]) 1864 1.6.2.2 thorpej break; 1865 1.6.2.2 thorpej 1866 1.6.2.2 thorpej dcb->synctl |= (index | ALT_SYNC); 1867 1.6.2.2 thorpej /* 1868 1.6.2.2 thorpej * show negotiation message 1869 1.6.2.2 thorpej */ 1870 1.6.2.2 thorpej if (((dcb->flag & SHOW_MESSAGE_) == 0) && 1871 1.6.2.2 thorpej (dcb->lun == 0)) { 1872 1.6.2.2 thorpej syncxfer = 100000 / 1873 1.6.2.2 thorpej (trm_clock_period[index] * 4); 1874 1.6.2.2 thorpej if (dcb->synctl & WIDE_SYNC) { 1875 1.6.2.2 thorpej printf("%s: target %d, " 1876 1.6.2.2 thorpej "16bits Wide transfer\n", 1877 1.6.2.2 thorpej sc->sc_dev.dv_xname, 1878 1.6.2.2 thorpej dcb->id); 1879 1.6.2.2 thorpej syncxfer = syncxfer * 2; 1880 1.6.2.2 thorpej } else 1881 1.6.2.2 thorpej printf("%s: target %d, " 1882 1.6.2.2 thorpej "8bits Narrow transfer\n", 1883 1.6.2.2 thorpej sc->sc_dev.dv_xname, 1884 1.6.2.2 thorpej dcb->id); 1885 1.6.2.2 thorpej 1886 1.6.2.2 thorpej printf("%s: target %d, " 1887 1.6.2.2 thorpej "Sync transfer %d.%01d MB/sec, " 1888 1.6.2.2 thorpej "Offset %d\n", sc->sc_dev.dv_xname, 1889 1.6.2.2 thorpej dcb->id, syncxfer / 100, 1890 1.6.2.2 thorpej syncxfer % 100, dcb->offset); 1891 1.6.2.2 thorpej dcb->flag |= SHOW_MESSAGE_; 1892 1.6.2.2 thorpej } 1893 1.6.2.2 thorpej re_prog: 1894 1.6.2.2 thorpej /* 1895 1.6.2.2 thorpej * program SCSI control register 1896 1.6.2.2 thorpej */ 1897 1.6.2.2 thorpej bus_space_write_1(iot, ioh, TRM_SCSI_SYNC, 1898 1.6.2.2 thorpej dcb->synctl); 1899 1.6.2.2 thorpej bus_space_write_1(iot, ioh, TRM_SCSI_OFFSET, 1900 1.6.2.2 thorpej dcb->offset); 1901 1.6.2.2 thorpej trm_set_xfer_rate(sc, srb, dcb); 1902 1.6.2.2 thorpej } 1903 1.6.2.2 thorpej } 1904 1.6.2.2 thorpej } 1905 1.6.2.2 thorpej min6: 1906 1.6.2.2 thorpej *pstat = PH_BUS_FREE; /* .. initial phase */ 1907 1.6.2.2 thorpej /* it's important for atn stop */ 1908 1.6.2.2 thorpej bus_space_write_2(iot, ioh, TRM_SCSI_CONTROL, DO_DATALATCH); 1909 1.6.2.2 thorpej 1910 1.6.2.2 thorpej /* 1911 1.6.2.2 thorpej * SCSI cammand 1912 1.6.2.2 thorpej */ 1913 1.6.2.2 thorpej bus_space_write_1(iot, ioh, TRM_SCSI_COMMAND, SCMD_MSGACCEPT); 1914 1.6.2.2 thorpej } 1915 1.6.2.2 thorpej 1916 1.6.2.2 thorpej static void 1917 1.6.2.2 thorpej trm_msgin_phase1(sc, srb, pstat) 1918 1.6.2.2 thorpej struct trm_softc *sc; 1919 1.6.2.2 thorpej struct trm_srb *srb; 1920 1.6.2.2 thorpej int *pstat; 1921 1.6.2.2 thorpej { 1922 1.6.2.2 thorpej bus_space_tag_t iot = sc->sc_iot; 1923 1.6.2.2 thorpej bus_space_handle_t ioh = sc->sc_ioh; 1924 1.6.2.2 thorpej 1925 1.6.2.2 thorpej bus_space_write_2(iot, ioh, TRM_SCSI_CONTROL, DO_CLRFIFO); 1926 1.6.2.2 thorpej bus_space_write_4(iot, ioh, TRM_SCSI_XCNT, 1); 1927 1.6.2.2 thorpej if ((srb->state & SRB_MSGIN) == 0) { 1928 1.6.2.2 thorpej srb->state &= SRB_DISCONNECT; 1929 1.6.2.2 thorpej srb->state |= SRB_MSGIN; 1930 1.6.2.2 thorpej } 1931 1.6.2.2 thorpej /* it's important for atn stop */ 1932 1.6.2.2 thorpej bus_space_write_2(iot, ioh, TRM_SCSI_CONTROL, DO_DATALATCH); 1933 1.6.2.2 thorpej 1934 1.6.2.2 thorpej /* 1935 1.6.2.2 thorpej * SCSI cammand 1936 1.6.2.2 thorpej */ 1937 1.6.2.2 thorpej bus_space_write_1(iot, ioh, TRM_SCSI_COMMAND, SCMD_FIFO_IN); 1938 1.6.2.2 thorpej } 1939 1.6.2.2 thorpej 1940 1.6.2.2 thorpej static void 1941 1.6.2.2 thorpej trm_nop0(sc, srb, pstat) 1942 1.6.2.2 thorpej struct trm_softc *sc; 1943 1.6.2.2 thorpej struct trm_srb *srb; 1944 1.6.2.2 thorpej int *pstat; 1945 1.6.2.2 thorpej { 1946 1.6.2.2 thorpej 1947 1.6.2.2 thorpej } 1948 1.6.2.2 thorpej 1949 1.6.2.2 thorpej static void 1950 1.6.2.2 thorpej trm_nop1(sc, srb, pstat) 1951 1.6.2.2 thorpej struct trm_softc *sc; 1952 1.6.2.2 thorpej struct trm_srb *srb; 1953 1.6.2.2 thorpej int *pstat; 1954 1.6.2.2 thorpej { 1955 1.6.2.2 thorpej 1956 1.6.2.2 thorpej } 1957 1.6.2.2 thorpej 1958 1.6.2.2 thorpej static void 1959 1.6.2.2 thorpej trm_set_xfer_rate(sc, srb, dcb) 1960 1.6.2.2 thorpej struct trm_softc *sc; 1961 1.6.2.2 thorpej struct trm_srb *srb; 1962 1.6.2.2 thorpej struct trm_dcb *dcb; 1963 1.6.2.2 thorpej { 1964 1.6.2.2 thorpej struct trm_dcb *tempdcb; 1965 1.6.2.2 thorpej int i; 1966 1.6.2.2 thorpej 1967 1.6.2.2 thorpej /* 1968 1.6.2.2 thorpej * set all lun device's (period, offset) 1969 1.6.2.2 thorpej */ 1970 1.6.2.2 thorpej #ifdef TRM_DEBUG 1971 1.6.2.2 thorpej printf("trm_set_xfer_rate............\n"); 1972 1.6.2.2 thorpej #endif 1973 1.6.2.2 thorpej if ((dcb->idmsg & 0x07) == 0) { 1974 1.6.2.2 thorpej if (sc->devscan_end == 0) 1975 1.6.2.2 thorpej sc->cur_offset = dcb->offset; 1976 1.6.2.2 thorpej else { 1977 1.6.2.2 thorpej tempdcb = sc->sc_linkdcb; 1978 1.6.2.2 thorpej for (i = 0; i < sc->devcnt; i++) { 1979 1.6.2.2 thorpej /* 1980 1.6.2.2 thorpej * different LUN but had same target ID 1981 1.6.2.2 thorpej */ 1982 1.6.2.2 thorpej if (tempdcb->id == dcb->id) { 1983 1.6.2.2 thorpej tempdcb->synctl = dcb->synctl; 1984 1.6.2.2 thorpej tempdcb->offset = dcb->offset; 1985 1.6.2.2 thorpej tempdcb->mode = dcb->mode; 1986 1.6.2.2 thorpej } 1987 1.6.2.2 thorpej tempdcb = tempdcb->next; 1988 1.6.2.2 thorpej } 1989 1.6.2.2 thorpej } 1990 1.6.2.2 thorpej } 1991 1.6.2.2 thorpej } 1992 1.6.2.2 thorpej 1993 1.6.2.2 thorpej static void 1994 1.6.2.2 thorpej trm_disconnect(sc) 1995 1.6.2.2 thorpej struct trm_softc *sc; 1996 1.6.2.2 thorpej { 1997 1.6.2.2 thorpej bus_space_tag_t iot = sc->sc_iot; 1998 1.6.2.2 thorpej bus_space_handle_t ioh = sc->sc_ioh; 1999 1.6.2.2 thorpej struct trm_dcb *dcb; 2000 1.6.2.2 thorpej struct trm_srb *srb, *psrb; 2001 1.6.2.2 thorpej int i, s; 2002 1.6.2.2 thorpej 2003 1.6.2.2 thorpej #ifdef TRM_DEBUG 2004 1.6.2.2 thorpej printf("trm_disconnect...............\n"); 2005 1.6.2.2 thorpej #endif 2006 1.6.2.2 thorpej s = splbio(); 2007 1.6.2.2 thorpej 2008 1.6.2.2 thorpej dcb = sc->sc_actdcb; 2009 1.6.2.2 thorpej if (dcb == NULL) { 2010 1.6.2.2 thorpej DELAY(1000); /* 1 msec */ 2011 1.6.2.2 thorpej 2012 1.6.2.2 thorpej bus_space_write_2(iot, ioh, TRM_SCSI_CONTROL, 2013 1.6.2.2 thorpej DO_CLRFIFO | DO_HWRESELECT); 2014 1.6.2.2 thorpej return; 2015 1.6.2.2 thorpej } 2016 1.6.2.2 thorpej srb = dcb->actsrb; 2017 1.6.2.2 thorpej sc->sc_actdcb = 0; 2018 1.6.2.2 thorpej srb->phase = PH_BUS_FREE; /* SCSI bus free Phase */ 2019 1.6.2.2 thorpej bus_space_write_2(iot, ioh, TRM_SCSI_CONTROL, 2020 1.6.2.2 thorpej DO_CLRFIFO | DO_HWRESELECT); 2021 1.6.2.2 thorpej DELAY(100); 2022 1.6.2.2 thorpej if (srb->state & SRB_UNEXPECT_RESEL) { 2023 1.6.2.2 thorpej srb->state = 0; 2024 1.6.2.2 thorpej trm_wait_srb(sc); 2025 1.6.2.2 thorpej } else if (srb->state & SRB_ABORT_SENT) { 2026 1.6.2.2 thorpej dcb->tagmask = 0; 2027 1.6.2.2 thorpej dcb->flag &= ~ABORT_DEV_; 2028 1.6.2.2 thorpej srb = dcb->gosrb; 2029 1.6.2.2 thorpej for (i = 0; i < dcb->gosrb_cnt; i++) { 2030 1.6.2.2 thorpej psrb = srb->next; 2031 1.6.2.2 thorpej srb->next = sc->sc_freesrb; 2032 1.6.2.2 thorpej sc->sc_freesrb = srb; 2033 1.6.2.2 thorpej srb = psrb; 2034 1.6.2.2 thorpej } 2035 1.6.2.2 thorpej dcb->gosrb_cnt = 0; 2036 1.6.2.2 thorpej dcb->gosrb = 0; 2037 1.6.2.2 thorpej trm_wait_srb(sc); 2038 1.6.2.2 thorpej } else { 2039 1.6.2.2 thorpej if ((srb->state & (SRB_START_ | SRB_MSGOUT)) || 2040 1.6.2.2 thorpej (srb->state & (SRB_DISCONNECT | SRB_COMPLETED)) == 0) { 2041 1.6.2.2 thorpej /* Selection time out */ 2042 1.6.2.2 thorpej if (sc->devscan_end) { 2043 1.6.2.2 thorpej srb->state = SRB_READY; 2044 1.6.2.2 thorpej trm_rewait_srb(dcb, srb); 2045 1.6.2.2 thorpej } else { 2046 1.6.2.2 thorpej srb->tastat = SCSI_SEL_TIMEOUT; 2047 1.6.2.2 thorpej goto disc1; 2048 1.6.2.2 thorpej } 2049 1.6.2.2 thorpej } else if (srb->state & SRB_DISCONNECT) { 2050 1.6.2.2 thorpej /* 2051 1.6.2.2 thorpej * SRB_DISCONNECT 2052 1.6.2.2 thorpej */ 2053 1.6.2.2 thorpej trm_wait_srb(sc); 2054 1.6.2.2 thorpej } else if (srb->state & SRB_COMPLETED) { 2055 1.6.2.2 thorpej disc1: 2056 1.6.2.2 thorpej /* 2057 1.6.2.2 thorpej * SRB_COMPLETED 2058 1.6.2.2 thorpej */ 2059 1.6.2.2 thorpej if (dcb->maxcmd > 1) { 2060 1.6.2.2 thorpej /* free tag mask */ 2061 1.6.2.2 thorpej dcb->tagmask &= ~(1 << srb->tagnum); 2062 1.6.2.2 thorpej } 2063 1.6.2.2 thorpej dcb->actsrb = 0; 2064 1.6.2.2 thorpej srb->state = SRB_FREE; 2065 1.6.2.2 thorpej trm_srb_done(sc, dcb, srb); 2066 1.6.2.2 thorpej } 2067 1.6.2.2 thorpej } 2068 1.6.2.2 thorpej splx(s); 2069 1.6.2.2 thorpej } 2070 1.6.2.2 thorpej 2071 1.6.2.2 thorpej static void 2072 1.6.2.2 thorpej trm_reselect(sc) 2073 1.6.2.2 thorpej struct trm_softc *sc; 2074 1.6.2.2 thorpej { 2075 1.6.2.2 thorpej bus_space_tag_t iot = sc->sc_iot; 2076 1.6.2.2 thorpej bus_space_handle_t ioh = sc->sc_ioh; 2077 1.6.2.2 thorpej struct trm_dcb *dcb; 2078 1.6.2.2 thorpej struct trm_srb *srb; 2079 1.6.2.2 thorpej int id, lun; 2080 1.6.2.2 thorpej 2081 1.6.2.2 thorpej #ifdef TRM_DEBUG 2082 1.6.2.2 thorpej printf("trm_reselect.................\n"); 2083 1.6.2.2 thorpej #endif 2084 1.6.2.2 thorpej dcb = sc->sc_actdcb; 2085 1.6.2.2 thorpej if (dcb != NULL) { /* Arbitration lost but Reselection win */ 2086 1.6.2.2 thorpej srb = dcb->actsrb; 2087 1.6.2.2 thorpej srb->state = SRB_READY; 2088 1.6.2.2 thorpej trm_rewait_srb(dcb, srb); 2089 1.6.2.2 thorpej } 2090 1.6.2.2 thorpej /* Read Reselected Target Id and LUN */ 2091 1.6.2.2 thorpej id = bus_space_read_1(iot, ioh, TRM_SCSI_TARGETID); 2092 1.6.2.2 thorpej lun = bus_space_read_1(iot, ioh, TRM_SCSI_IDMSG) & 0x07; 2093 1.6.2.2 thorpej dcb = sc->sc_linkdcb; 2094 1.6.2.2 thorpej while (id != dcb->id && lun != dcb->lun) 2095 1.6.2.2 thorpej /* get dcb of the reselect id */ 2096 1.6.2.2 thorpej dcb = dcb->next; 2097 1.6.2.2 thorpej 2098 1.6.2.2 thorpej sc->sc_actdcb = dcb; 2099 1.6.2.2 thorpej if (dcb->mode & EN_TAG_QUEUING) { 2100 1.6.2.2 thorpej srb = &sc->sc_tempsrb; 2101 1.6.2.2 thorpej dcb->actsrb = srb; 2102 1.6.2.2 thorpej } else { 2103 1.6.2.2 thorpej srb = dcb->actsrb; 2104 1.6.2.2 thorpej if (srb == NULL || (srb->state & SRB_DISCONNECT) == 0) { 2105 1.6.2.2 thorpej /* 2106 1.6.2.2 thorpej * abort command 2107 1.6.2.2 thorpej */ 2108 1.6.2.2 thorpej srb = &sc->sc_tempsrb; 2109 1.6.2.2 thorpej srb->state = SRB_UNEXPECT_RESEL; 2110 1.6.2.2 thorpej dcb->actsrb = srb; 2111 1.6.2.2 thorpej srb->msgout[0] = MSG_ABORT; 2112 1.6.2.2 thorpej trm_msgout_abort(sc, srb); 2113 1.6.2.2 thorpej } else { 2114 1.6.2.2 thorpej if (dcb->flag & ABORT_DEV_) { 2115 1.6.2.2 thorpej srb->state = SRB_ABORT_SENT; 2116 1.6.2.2 thorpej srb->msgout[0] = MSG_ABORT; 2117 1.6.2.2 thorpej trm_msgout_abort(sc, srb); 2118 1.6.2.2 thorpej } else 2119 1.6.2.2 thorpej srb->state = SRB_DATA_XFER; 2120 1.6.2.2 thorpej } 2121 1.6.2.2 thorpej } 2122 1.6.2.2 thorpej srb->phase = PH_BUS_FREE; /* SCSI bus free Phase */ 2123 1.6.2.2 thorpej /* 2124 1.6.2.2 thorpej * Program HA ID, target ID, period and offset 2125 1.6.2.2 thorpej */ 2126 1.6.2.2 thorpej /* target ID */ 2127 1.6.2.2 thorpej bus_space_write_1(iot, ioh, TRM_SCSI_TARGETID, id); 2128 1.6.2.2 thorpej 2129 1.6.2.2 thorpej /* host ID */ 2130 1.6.2.2 thorpej bus_space_write_1(iot, ioh, TRM_SCSI_HOSTID, sc->sc_id); 2131 1.6.2.2 thorpej 2132 1.6.2.2 thorpej /* period */ 2133 1.6.2.2 thorpej bus_space_write_1(iot, ioh, TRM_SCSI_SYNC, dcb->synctl); 2134 1.6.2.2 thorpej 2135 1.6.2.2 thorpej /* offset */ 2136 1.6.2.2 thorpej bus_space_write_1(iot, ioh, TRM_SCSI_OFFSET, dcb->offset); 2137 1.6.2.2 thorpej 2138 1.6.2.2 thorpej /* it's important for atn stop */ 2139 1.6.2.2 thorpej bus_space_write_2(iot, ioh, TRM_SCSI_CONTROL, DO_DATALATCH); 2140 1.6.2.2 thorpej DELAY(30); 2141 1.6.2.2 thorpej /* 2142 1.6.2.2 thorpej * SCSI cammand 2143 1.6.2.2 thorpej */ 2144 1.6.2.2 thorpej /* to rls the /ACK signal */ 2145 1.6.2.2 thorpej bus_space_write_1(iot, ioh, TRM_SCSI_COMMAND, SCMD_MSGACCEPT); 2146 1.6.2.2 thorpej } 2147 1.6.2.2 thorpej 2148 1.6.2.2 thorpej /* 2149 1.6.2.2 thorpej * Complete execution of a SCSI command 2150 1.6.2.2 thorpej * Signal completion to the generic SCSI driver 2151 1.6.2.2 thorpej */ 2152 1.6.2.2 thorpej static void 2153 1.6.2.2 thorpej trm_srb_done(sc, dcb, srb) 2154 1.6.2.2 thorpej struct trm_softc *sc; 2155 1.6.2.2 thorpej struct trm_dcb *dcb; 2156 1.6.2.2 thorpej struct trm_srb *srb; 2157 1.6.2.2 thorpej { 2158 1.6.2.2 thorpej struct scsipi_xfer *xs = srb->xs; 2159 1.6.2.2 thorpej struct scsipi_inquiry_data *ptr; 2160 1.6.2.2 thorpej struct trm_dcb *tempdcb; 2161 1.6.2.2 thorpej int i, j, id, lun, s; 2162 1.6.2.2 thorpej u_int8_t bval; 2163 1.6.2.2 thorpej 2164 1.6.2.2 thorpej #ifdef TRM_DEBUG 2165 1.6.2.2 thorpej printf("trm_srb_done..................\n"); 2166 1.6.2.2 thorpej #endif 2167 1.6.2.2 thorpej 2168 1.6.2.2 thorpej if (xs == NULL) 2169 1.6.2.2 thorpej return; 2170 1.6.2.2 thorpej 2171 1.6.2.2 thorpej if ((xs->xs_control & XS_CTL_POLL) == 0) 2172 1.6.2.2 thorpej callout_stop(&xs->xs_callout); 2173 1.6.2.2 thorpej 2174 1.6.2.2 thorpej if (xs->xs_control & (XS_CTL_DATA_IN | XS_CTL_DATA_OUT) || 2175 1.6.2.2 thorpej srb->flag & AUTO_REQSENSE) { 2176 1.6.2.2 thorpej bus_dmamap_sync(sc->sc_dmat, srb->dmap, 0, 2177 1.6.2.2 thorpej srb->dmap->dm_mapsize, 2178 1.6.2.2 thorpej ((xs->xs_control & XS_CTL_DATA_IN) || 2179 1.6.2.2 thorpej (srb->flag & AUTO_REQSENSE)) ? 2180 1.6.2.2 thorpej BUS_DMASYNC_POSTREAD : BUS_DMASYNC_POSTWRITE); 2181 1.6.2.2 thorpej bus_dmamap_unload(sc->sc_dmat, srb->dmap); 2182 1.6.2.2 thorpej } 2183 1.6.2.2 thorpej 2184 1.6.2.2 thorpej /* 2185 1.6.2.2 thorpej * target status 2186 1.6.2.2 thorpej */ 2187 1.6.2.2 thorpej xs->status = srb->tastat; 2188 1.6.2.2 thorpej 2189 1.6.2.2 thorpej switch (xs->status) { 2190 1.6.2.2 thorpej case SCSI_OK: 2191 1.6.2.2 thorpej /* 2192 1.6.2.2 thorpej * process initiator status...... 2193 1.6.2.2 thorpej * Adapter (initiator) status 2194 1.6.2.2 thorpej */ 2195 1.6.2.2 thorpej if (srb->hastat & H_OVER_UNDER_RUN) { 2196 1.6.2.2 thorpej srb->tastat = 0; 2197 1.6.2.2 thorpej /* Illegal length (over/under run) */ 2198 1.6.2.2 thorpej xs->error = XS_DRIVER_STUFFUP; 2199 1.6.2.2 thorpej } else if (srb->srbstat & PARITY_ERROR) { 2200 1.6.2.2 thorpej #ifdef TRM_DEBUG 2201 1.6.2.2 thorpej printf("%s: driver stuffup at %s %d\n", 2202 1.6.2.2 thorpej sc->sc_dev.dv_xname, __FILE__, __LINE__); 2203 1.6.2.2 thorpej #endif 2204 1.6.2.2 thorpej /* Driver failed to perform operation */ 2205 1.6.2.2 thorpej xs->error = XS_DRIVER_STUFFUP; 2206 1.6.2.2 thorpej } else { 2207 1.6.2.2 thorpej /* No error */ 2208 1.6.2.2 thorpej srb->hastat = 0; 2209 1.6.2.2 thorpej if (srb->flag & AUTO_REQSENSE) { 2210 1.6.2.2 thorpej /* there is no error, (sense is invalid) */ 2211 1.6.2.2 thorpej xs->error = XS_SENSE; 2212 1.6.2.2 thorpej } else { 2213 1.6.2.2 thorpej srb->tastat = 0; 2214 1.6.2.2 thorpej xs->error = XS_NOERROR; 2215 1.6.2.2 thorpej } 2216 1.6.2.2 thorpej } 2217 1.6.2.2 thorpej break; 2218 1.6.2.2 thorpej case SCSI_CHECK: 2219 1.6.2.2 thorpej if ((srb->flag & AUTO_REQSENSE) != 0 || 2220 1.6.2.2 thorpej trm_request_sense(sc, dcb, srb) != 0) { 2221 1.6.2.2 thorpej printf("%s: request sense failed\n", 2222 1.6.2.2 thorpej sc->sc_dev.dv_xname); 2223 1.6.2.2 thorpej xs->error = XS_DRIVER_STUFFUP; 2224 1.6.2.2 thorpej break; 2225 1.6.2.2 thorpej } 2226 1.6.2.2 thorpej xs->error = XS_SENSE; 2227 1.6.2.2 thorpej return; 2228 1.6.2.2 thorpej case SCSI_QUEUE_FULL: 2229 1.6.2.2 thorpej dcb->maxcmd = dcb->gosrb_cnt - 1; 2230 1.6.2.2 thorpej trm_rewait_srb(dcb, srb); 2231 1.6.2.2 thorpej srb->hastat = 0; 2232 1.6.2.2 thorpej srb->tastat = 0; 2233 1.6.2.2 thorpej break; 2234 1.6.2.2 thorpej case SCSI_SEL_TIMEOUT: 2235 1.6.2.2 thorpej srb->hastat = H_SEL_TIMEOUT; 2236 1.6.2.2 thorpej srb->tastat = 0; 2237 1.6.2.2 thorpej xs->error = XS_TIMEOUT; 2238 1.6.2.2 thorpej break; 2239 1.6.2.2 thorpej case SCSI_BUSY: 2240 1.6.2.2 thorpej xs->error = XS_BUSY; 2241 1.6.2.2 thorpej break; 2242 1.6.2.2 thorpej case SCSI_RESV_CONFLICT: 2243 1.6.2.2 thorpej #ifdef TRM_DEBUG 2244 1.6.2.2 thorpej printf("%s: target reserved at ", sc->sc_dev.dv_xname); 2245 1.6.2.2 thorpej printf("%s %d\n", __FILE__, __LINE__); 2246 1.6.2.2 thorpej #endif 2247 1.6.2.2 thorpej xs->error = XS_BUSY; 2248 1.6.2.2 thorpej break; 2249 1.6.2.2 thorpej default: 2250 1.6.2.2 thorpej srb->hastat = 0; 2251 1.6.2.2 thorpej #ifdef TRM_DEBUG 2252 1.6.2.2 thorpej printf("%s: driver stuffup at %s %d\n", 2253 1.6.2.2 thorpej sc->sc_dev.dv_xname, __FILE__, __LINE__); 2254 1.6.2.2 thorpej #endif 2255 1.6.2.2 thorpej xs->error = XS_DRIVER_STUFFUP; 2256 1.6.2.2 thorpej break; 2257 1.6.2.2 thorpej } 2258 1.6.2.2 thorpej 2259 1.6.2.2 thorpej id = srb->xs->xs_periph->periph_target; 2260 1.6.2.2 thorpej lun = srb->xs->xs_periph->periph_lun; 2261 1.6.2.2 thorpej if (sc->devscan[id][lun]) { 2262 1.6.2.2 thorpej /* 2263 1.6.2.2 thorpej * if SCSI command in "scan devices" duty 2264 1.6.2.2 thorpej * XXX XXX XXX should not be done here! XXX XXX XXX 2265 1.6.2.2 thorpej */ 2266 1.6.2.2 thorpej if (srb->cmd[0] == INQUIRY) { 2267 1.6.2.2 thorpej /* 2268 1.6.2.2 thorpej * SCSI command phase: inquiry scsi device data 2269 1.6.2.2 thorpej * (type,capacity,manufacture.... 2270 1.6.2.2 thorpej */ 2271 1.6.2.2 thorpej if (xs->error == XS_TIMEOUT) 2272 1.6.2.2 thorpej goto NO_DEV; 2273 1.6.2.2 thorpej 2274 1.6.2.2 thorpej ptr = (struct scsipi_inquiry_data *)xs->data; 2275 1.6.2.2 thorpej bval = ptr->device & SID_TYPE; 2276 1.6.2.2 thorpej 2277 1.6.2.2 thorpej if (bval == T_NODEVICE) { 2278 1.6.2.2 thorpej NO_DEV: 2279 1.6.2.2 thorpej #ifdef TRM_DEBUG 2280 1.6.2.2 thorpej printf("trm_srb_done NO Device: "); 2281 1.6.2.2 thorpej printf("id= %d ,lun= %d\n", id, lun); 2282 1.6.2.2 thorpej #endif 2283 1.6.2.2 thorpej s = splbio(); 2284 1.6.2.2 thorpej /* 2285 1.6.2.2 thorpej * dcb Q link 2286 1.6.2.2 thorpej * move the head of DCB to temdcb 2287 1.6.2.2 thorpej */ 2288 1.6.2.2 thorpej tempdcb = sc->sc_linkdcb; 2289 1.6.2.2 thorpej 2290 1.6.2.2 thorpej /* 2291 1.6.2.2 thorpej * search current DCB for pass link 2292 1.6.2.2 thorpej */ 2293 1.6.2.2 thorpej while (tempdcb->next != dcb) 2294 1.6.2.2 thorpej tempdcb = tempdcb->next; 2295 1.6.2.2 thorpej 2296 1.6.2.2 thorpej /* 2297 1.6.2.2 thorpej * when the current DCB been found 2298 1.6.2.2 thorpej * than connect current DCB tail 2299 1.6.2.2 thorpej * to the DCB tail that before current DCB 2300 1.6.2.2 thorpej */ 2301 1.6.2.2 thorpej tempdcb->next = dcb->next; 2302 1.6.2.2 thorpej 2303 1.6.2.2 thorpej /* 2304 1.6.2.2 thorpej * if there was only one DCB ,connect his 2305 1.6.2.2 thorpej * tail to his head 2306 1.6.2.2 thorpej */ 2307 1.6.2.2 thorpej if (sc->sc_linkdcb == dcb) 2308 1.6.2.2 thorpej sc->sc_linkdcb = tempdcb->next; 2309 1.6.2.2 thorpej 2310 1.6.2.2 thorpej if (sc->sc_roundcb == dcb) 2311 1.6.2.2 thorpej sc->sc_roundcb = tempdcb->next; 2312 1.6.2.2 thorpej 2313 1.6.2.2 thorpej /* 2314 1.6.2.2 thorpej * if no device than free this device DCB 2315 1.6.2.2 thorpej * free( dcb, M_DEVBUF); 2316 1.6.2.2 thorpej */ 2317 1.6.2.2 thorpej sc->devcnt--; 2318 1.6.2.2 thorpej #ifdef TRM_DEBUG 2319 1.6.2.2 thorpej printf("sc->devcnt=%d\n", sc->devcnt); 2320 1.6.2.2 thorpej #endif 2321 1.6.2.2 thorpej if (sc->devcnt == 0) { 2322 1.6.2.2 thorpej sc->sc_linkdcb = NULL; 2323 1.6.2.2 thorpej sc->sc_roundcb = NULL; 2324 1.6.2.2 thorpej } 2325 1.6.2.2 thorpej /* no device set scan device flag=0 */ 2326 1.6.2.2 thorpej sc->devscan[id][lun] = 0; 2327 1.6.2.2 thorpej i = 0; 2328 1.6.2.2 thorpej j = 0; 2329 1.6.2.2 thorpej while (i <= sc->maxid) { 2330 1.6.2.2 thorpej while (j < 8) { 2331 1.6.2.2 thorpej if (sc->devscan[i][j] == 1) { 2332 1.6.2.2 thorpej sc->devscan_end = 0; 2333 1.6.2.2 thorpej splx(s); 2334 1.6.2.2 thorpej goto exit; 2335 1.6.2.2 thorpej } else 2336 1.6.2.2 thorpej sc->devscan_end = 1; 2337 1.6.2.2 thorpej 2338 1.6.2.2 thorpej j++; 2339 1.6.2.2 thorpej } 2340 1.6.2.2 thorpej j = 0; 2341 1.6.2.2 thorpej i++; 2342 1.6.2.2 thorpej } 2343 1.6.2.2 thorpej splx(s); 2344 1.6.2.2 thorpej } else { 2345 1.6.2.2 thorpej if (bval == T_DIRECT || bval == T_OPTICAL) { 2346 1.6.2.2 thorpej if ((((ptr->version & 0x07) >= 2) || 2347 1.6.2.2 thorpej ((ptr->response_format & 0x0F) 2348 1.6.2.2 thorpej == 2)) && 2349 1.6.2.2 thorpej (ptr->flags3 & SID_CmdQue) && 2350 1.6.2.2 thorpej (dcb->tacfg & NTC_DO_TAG_QUEUING) && 2351 1.6.2.2 thorpej (dcb->tacfg & NTC_DO_DISCONNECT)) { 2352 1.6.2.2 thorpej dcb->maxcmd = sc->maxtag; 2353 1.6.2.2 thorpej dcb->mode |= EN_TAG_QUEUING; 2354 1.6.2.2 thorpej dcb->tagmask = 0; 2355 1.6.2.2 thorpej } else 2356 1.6.2.2 thorpej dcb->mode |= EN_ATN_STOP; 2357 1.6.2.2 thorpej } 2358 1.6.2.2 thorpej } 2359 1.6.2.2 thorpej } 2360 1.6.2.2 thorpej } 2361 1.6.2.2 thorpej exit: 2362 1.6.2.2 thorpej trm_release_srb(sc, dcb, srb); 2363 1.6.2.2 thorpej trm_wait_srb(sc); 2364 1.6.2.2 thorpej xs->xs_status |= XS_STS_DONE; 2365 1.6.2.2 thorpej /* Notify cmd done */ 2366 1.6.2.2 thorpej scsipi_done(xs); 2367 1.6.2.2 thorpej } 2368 1.6.2.2 thorpej 2369 1.6.2.2 thorpej static void 2370 1.6.2.2 thorpej trm_release_srb(sc, dcb, srb) 2371 1.6.2.2 thorpej struct trm_softc *sc; 2372 1.6.2.2 thorpej struct trm_dcb *dcb; 2373 1.6.2.2 thorpej struct trm_srb *srb; 2374 1.6.2.2 thorpej { 2375 1.6.2.2 thorpej struct trm_srb *psrb; 2376 1.6.2.2 thorpej int s; 2377 1.6.2.2 thorpej 2378 1.6.2.2 thorpej s = splbio(); 2379 1.6.2.2 thorpej if (srb == dcb->gosrb) 2380 1.6.2.2 thorpej dcb->gosrb = srb->next; 2381 1.6.2.2 thorpej else { 2382 1.6.2.2 thorpej psrb = dcb->gosrb; 2383 1.6.2.2 thorpej while (psrb->next != srb) 2384 1.6.2.2 thorpej psrb = psrb->next; 2385 1.6.2.2 thorpej 2386 1.6.2.2 thorpej psrb->next = srb->next; 2387 1.6.2.2 thorpej if (srb == dcb->last_gosrb) 2388 1.6.2.2 thorpej dcb->last_gosrb = psrb; 2389 1.6.2.2 thorpej } 2390 1.6.2.2 thorpej srb->next = sc->sc_freesrb; 2391 1.6.2.2 thorpej sc->sc_freesrb = srb; 2392 1.6.2.2 thorpej dcb->gosrb_cnt--; 2393 1.6.2.2 thorpej splx(s); 2394 1.6.2.2 thorpej return; 2395 1.6.2.2 thorpej } 2396 1.6.2.2 thorpej 2397 1.6.2.2 thorpej static void 2398 1.6.2.2 thorpej trm_doing_srb_done(sc) 2399 1.6.2.2 thorpej struct trm_softc *sc; 2400 1.6.2.2 thorpej { 2401 1.6.2.2 thorpej struct trm_dcb *dcb, *pdcb; 2402 1.6.2.2 thorpej struct trm_srb *psrb, *psrb2; 2403 1.6.2.2 thorpej struct scsipi_xfer *xs; 2404 1.6.2.2 thorpej int i; 2405 1.6.2.2 thorpej 2406 1.6.2.2 thorpej dcb = sc->sc_linkdcb; 2407 1.6.2.2 thorpej if (dcb == NULL) 2408 1.6.2.2 thorpej return; 2409 1.6.2.2 thorpej 2410 1.6.2.2 thorpej pdcb = dcb; 2411 1.6.2.2 thorpej do { 2412 1.6.2.2 thorpej psrb = pdcb->gosrb; 2413 1.6.2.2 thorpej for (i = 0; i < pdcb->gosrb_cnt; i++) { 2414 1.6.2.2 thorpej psrb2 = psrb->next; 2415 1.6.2.2 thorpej xs = psrb->xs; 2416 1.6.2.2 thorpej xs->error = XS_TIMEOUT; 2417 1.6.2.2 thorpej /* ReleaseSRB( dcb, srb ); */ 2418 1.6.2.2 thorpej psrb->next = sc->sc_freesrb; 2419 1.6.2.2 thorpej sc->sc_freesrb = psrb; 2420 1.6.2.2 thorpej scsipi_done(xs); 2421 1.6.2.2 thorpej psrb = psrb2; 2422 1.6.2.2 thorpej } 2423 1.6.2.2 thorpej pdcb->gosrb_cnt = 0;; 2424 1.6.2.2 thorpej pdcb->gosrb = NULL; 2425 1.6.2.2 thorpej pdcb->tagmask = 0; 2426 1.6.2.2 thorpej pdcb = pdcb->next; 2427 1.6.2.2 thorpej } 2428 1.6.2.2 thorpej while (pdcb != dcb); 2429 1.6.2.2 thorpej } 2430 1.6.2.2 thorpej 2431 1.6.2.2 thorpej static void 2432 1.6.2.2 thorpej trm_reset_scsi_bus(sc) 2433 1.6.2.2 thorpej struct trm_softc *sc; 2434 1.6.2.2 thorpej { 2435 1.6.2.2 thorpej bus_space_tag_t iot = sc->sc_iot; 2436 1.6.2.2 thorpej bus_space_handle_t ioh = sc->sc_ioh; 2437 1.6.2.2 thorpej int s; 2438 1.6.2.2 thorpej 2439 1.6.2.2 thorpej s = splbio(); 2440 1.6.2.2 thorpej 2441 1.6.2.2 thorpej sc->sc_flag |= RESET_DEV; 2442 1.6.2.2 thorpej bus_space_write_2(iot, ioh, TRM_SCSI_CONTROL, DO_RSTSCSI); 2443 1.6.2.2 thorpej while ((bus_space_read_2(iot, ioh, TRM_SCSI_INTSTATUS) & 2444 1.6.2.2 thorpej INT_SCSIRESET) == 0) 2445 1.6.2.2 thorpej ; 2446 1.6.2.2 thorpej 2447 1.6.2.2 thorpej splx(s); 2448 1.6.2.2 thorpej } 2449 1.6.2.2 thorpej 2450 1.6.2.2 thorpej static void 2451 1.6.2.2 thorpej trm_scsi_reset_detect(sc) 2452 1.6.2.2 thorpej struct trm_softc *sc; 2453 1.6.2.2 thorpej { 2454 1.6.2.2 thorpej bus_space_tag_t iot = sc->sc_iot; 2455 1.6.2.2 thorpej bus_space_handle_t ioh = sc->sc_ioh; 2456 1.6.2.2 thorpej int s; 2457 1.6.2.2 thorpej 2458 1.6.2.2 thorpej #ifdef TRM_DEBUG 2459 1.6.2.2 thorpej printf("trm_scsi_reset_detect...............\n"); 2460 1.6.2.2 thorpej #endif 2461 1.6.2.2 thorpej DELAY(1000000); /* delay 1 sec */ 2462 1.6.2.2 thorpej 2463 1.6.2.2 thorpej s = splbio(); 2464 1.6.2.2 thorpej 2465 1.6.2.2 thorpej bus_space_write_1(iot, ioh, TRM_DMA_CONTROL, STOPDMAXFER); 2466 1.6.2.2 thorpej bus_space_write_2(iot, ioh, TRM_SCSI_CONTROL, DO_CLRFIFO); 2467 1.6.2.2 thorpej 2468 1.6.2.2 thorpej if (sc->sc_flag & RESET_DEV) { 2469 1.6.2.2 thorpej sc->sc_flag |= RESET_DONE; 2470 1.6.2.2 thorpej } else { 2471 1.6.2.2 thorpej sc->sc_flag |= RESET_DETECT; 2472 1.6.2.2 thorpej trm_reset_device(sc); 2473 1.6.2.2 thorpej /* trm_doing_srb_done( sc ); ???? */ 2474 1.6.2.2 thorpej trm_recover_srb(sc); 2475 1.6.2.2 thorpej sc->sc_actdcb = NULL; 2476 1.6.2.2 thorpej sc->sc_flag = 0; 2477 1.6.2.2 thorpej trm_wait_srb(sc); 2478 1.6.2.2 thorpej } 2479 1.6.2.2 thorpej splx(s); 2480 1.6.2.2 thorpej } 2481 1.6.2.2 thorpej 2482 1.6.2.2 thorpej static int 2483 1.6.2.2 thorpej trm_request_sense(sc, dcb, srb) 2484 1.6.2.2 thorpej struct trm_softc *sc; 2485 1.6.2.2 thorpej struct trm_dcb *dcb; 2486 1.6.2.2 thorpej struct trm_srb *srb; 2487 1.6.2.2 thorpej { 2488 1.6.2.2 thorpej struct scsipi_xfer *xs = srb->xs; 2489 1.6.2.2 thorpej struct scsipi_sense *ss; 2490 1.6.2.2 thorpej int error, lun = xs->xs_periph->periph_lun; 2491 1.6.2.2 thorpej 2492 1.6.2.2 thorpej srb->flag |= AUTO_REQSENSE; 2493 1.6.2.2 thorpej 2494 1.6.2.2 thorpej /* Status of initiator/target */ 2495 1.6.2.2 thorpej srb->hastat = 0; 2496 1.6.2.2 thorpej srb->tastat = 0; 2497 1.6.2.2 thorpej 2498 1.6.2.2 thorpej ss = (struct scsipi_sense *)srb->cmd; 2499 1.6.2.2 thorpej ss->opcode = REQUEST_SENSE; 2500 1.6.2.2 thorpej ss->byte2 = lun << SCSI_CMD_LUN_SHIFT; 2501 1.6.2.2 thorpej ss->unused[0] = ss->unused[1] = 0; 2502 1.6.2.2 thorpej ss->length = sizeof(struct scsipi_sense_data); 2503 1.6.2.2 thorpej ss->control = 0; 2504 1.6.2.2 thorpej 2505 1.6.2.2 thorpej srb->buflen = sizeof(struct scsipi_sense_data); 2506 1.6.2.2 thorpej srb->sgcnt = 1; 2507 1.6.2.2 thorpej srb->sgindex = 0; 2508 1.6.2.2 thorpej srb->cmdlen = sizeof(struct scsipi_sense); 2509 1.6.2.2 thorpej 2510 1.6.2.2 thorpej if ((error = bus_dmamap_load(sc->sc_dmat, srb->dmap, 2511 1.6.2.2 thorpej &xs->sense.scsi_sense, srb->buflen, NULL, 2512 1.6.2.2 thorpej BUS_DMA_READ|BUS_DMA_NOWAIT)) != 0) { 2513 1.6.2.2 thorpej return error; 2514 1.6.2.2 thorpej } 2515 1.6.2.2 thorpej bus_dmamap_sync(sc->sc_dmat, srb->dmap, 0, 2516 1.6.2.2 thorpej srb->buflen, BUS_DMASYNC_PREREAD); 2517 1.6.2.2 thorpej 2518 1.6.2.2 thorpej srb->sgentry[0].address = htole32(srb->dmap->dm_segs[0].ds_addr); 2519 1.6.2.2 thorpej srb->sgentry[0].length = htole32(sizeof(struct scsipi_sense_data)); 2520 1.6.2.2 thorpej bus_dmamap_sync(sc->sc_dmat, sc->sc_dmamap, srb->sgoffset, 2521 1.6.2.2 thorpej TRM_SG_SIZE, BUS_DMASYNC_PREWRITE); 2522 1.6.2.2 thorpej 2523 1.6.2.2 thorpej if (trm_start_scsi(sc, dcb, srb)) 2524 1.6.2.2 thorpej /* 2525 1.6.2.2 thorpej * If trm_start_scsi return 1: current interrupt status 2526 1.6.2.2 thorpej * is interrupt disreenable. It's said that SCSI processor 2527 1.6.2.2 thorpej * has more one SRB need to do. 2528 1.6.2.2 thorpej */ 2529 1.6.2.2 thorpej trm_rewait_srb(dcb, srb); 2530 1.6.2.2 thorpej return 0; 2531 1.6.2.2 thorpej } 2532 1.6.2.2 thorpej 2533 1.6.2.2 thorpej static void 2534 1.6.2.2 thorpej trm_msgout_abort(sc, srb) 2535 1.6.2.2 thorpej struct trm_softc *sc; 2536 1.6.2.2 thorpej struct trm_srb *srb; 2537 1.6.2.2 thorpej { 2538 1.6.2.2 thorpej bus_space_tag_t iot = sc->sc_iot; 2539 1.6.2.2 thorpej bus_space_handle_t ioh = sc->sc_ioh; 2540 1.6.2.2 thorpej 2541 1.6.2.2 thorpej srb->msgcnt = 1; 2542 1.6.2.2 thorpej bus_space_write_2(iot, ioh, TRM_SCSI_CONTROL, DO_SETATN); 2543 1.6.2.2 thorpej srb->dcb->flag &= ~ABORT_DEV_; 2544 1.6.2.2 thorpej } 2545 1.6.2.2 thorpej 2546 1.6.2.2 thorpej /* 2547 1.6.2.2 thorpej * initialize the internal structures for a given DCB 2548 1.6.2.2 thorpej */ 2549 1.6.2.2 thorpej static void 2550 1.6.2.2 thorpej trm_init_dcb(sc, dcb, xs) 2551 1.6.2.2 thorpej struct trm_softc *sc; 2552 1.6.2.2 thorpej struct trm_dcb *dcb; 2553 1.6.2.2 thorpej struct scsipi_xfer *xs; 2554 1.6.2.2 thorpej { 2555 1.6.2.2 thorpej struct trm_nvram *eeprom; 2556 1.6.2.2 thorpej struct trm_dcb *tempdcb; 2557 1.6.2.2 thorpej int index, id, lun, s; 2558 1.6.2.2 thorpej 2559 1.6.2.2 thorpej id = xs->xs_periph->periph_target; 2560 1.6.2.2 thorpej lun = xs->xs_periph->periph_lun; 2561 1.6.2.2 thorpej 2562 1.6.2.2 thorpej s = splbio(); 2563 1.6.2.2 thorpej if (sc->sc_linkdcb == 0) { 2564 1.6.2.2 thorpej sc->sc_linkdcb = dcb; 2565 1.6.2.2 thorpej /* 2566 1.6.2.2 thorpej * RunRobin impersonate the role that let each device had 2567 1.6.2.2 thorpej * good proportion about SCSI command proceeding. 2568 1.6.2.2 thorpej */ 2569 1.6.2.2 thorpej sc->sc_roundcb = dcb; 2570 1.6.2.2 thorpej dcb->next = dcb; 2571 1.6.2.2 thorpej } else { 2572 1.6.2.2 thorpej tempdcb = sc->sc_linkdcb; 2573 1.6.2.2 thorpej /* search the last nod of DCB link */ 2574 1.6.2.2 thorpej while (tempdcb->next != sc->sc_linkdcb) 2575 1.6.2.2 thorpej tempdcb = tempdcb->next; 2576 1.6.2.2 thorpej 2577 1.6.2.2 thorpej /* connect current DCB with last DCB tail */ 2578 1.6.2.2 thorpej tempdcb->next = dcb; 2579 1.6.2.2 thorpej /* connect current DCB tail to this DCB Q head */ 2580 1.6.2.2 thorpej dcb->next = sc->sc_linkdcb; 2581 1.6.2.2 thorpej } 2582 1.6.2.2 thorpej splx(s); 2583 1.6.2.2 thorpej 2584 1.6.2.2 thorpej sc->devcnt++; 2585 1.6.2.2 thorpej dcb->id = id; 2586 1.6.2.2 thorpej dcb->lun = lun; 2587 1.6.2.2 thorpej dcb->waitsrb = NULL; 2588 1.6.2.2 thorpej dcb->gosrb = NULL; 2589 1.6.2.2 thorpej dcb->gosrb_cnt = 0; 2590 1.6.2.2 thorpej dcb->actsrb = NULL; 2591 1.6.2.2 thorpej dcb->tagmask = 0; 2592 1.6.2.2 thorpej dcb->maxcmd = 1; 2593 1.6.2.2 thorpej dcb->flag = 0; 2594 1.6.2.2 thorpej 2595 1.6.2.2 thorpej eeprom = &sc->sc_eeprom; 2596 1.6.2.2 thorpej dcb->tacfg = eeprom->target[id].config0; 2597 1.6.2.2 thorpej /* 2598 1.6.2.2 thorpej * disconnect enable? 2599 1.6.2.2 thorpej */ 2600 1.6.2.2 thorpej dcb->idmsg = MSG_IDENTIFY(lun, dcb->tacfg & NTC_DO_DISCONNECT); 2601 1.6.2.2 thorpej /* 2602 1.6.2.2 thorpej * tag Qing enable? 2603 1.6.2.2 thorpej * wide nego, sync nego enable? 2604 1.6.2.2 thorpej */ 2605 1.6.2.2 thorpej dcb->synctl = 0; 2606 1.6.2.2 thorpej dcb->offset = 0; 2607 1.6.2.2 thorpej index = eeprom->target[id].period & 0x07; 2608 1.6.2.2 thorpej dcb->period = trm_clock_period[index]; 2609 1.6.2.2 thorpej dcb->mode = 0; 2610 1.6.2.2 thorpej if ((dcb->tacfg & NTC_DO_WIDE_NEGO) && (sc->sc_config & HCC_WIDE_CARD)) 2611 1.6.2.2 thorpej /* enable wide nego */ 2612 1.6.2.2 thorpej dcb->mode |= WIDE_NEGO_ENABLE; 2613 1.6.2.2 thorpej 2614 1.6.2.2 thorpej if ((dcb->tacfg & NTC_DO_SYNC_NEGO) && (lun == 0 || sc->cur_offset > 0)) 2615 1.6.2.2 thorpej /* enable sync nego */ 2616 1.6.2.2 thorpej dcb->mode |= SYNC_NEGO_ENABLE; 2617 1.6.2.2 thorpej } 2618 1.6.2.2 thorpej 2619 1.6.2.2 thorpej static void 2620 1.6.2.2 thorpej trm_link_srb(sc) 2621 1.6.2.2 thorpej struct trm_softc *sc; 2622 1.6.2.2 thorpej { 2623 1.6.2.2 thorpej struct trm_srb *srb; 2624 1.6.2.2 thorpej int i; 2625 1.6.2.2 thorpej 2626 1.6.2.2 thorpej sc->sc_srb = malloc(sizeof(struct trm_srb) * TRM_MAX_SRB, 2627 1.6.2.2 thorpej M_DEVBUF, M_NOWAIT|M_ZERO); 2628 1.6.2.2 thorpej if (sc->sc_srb == NULL) { 2629 1.6.2.2 thorpej printf("%s: can not allocate SRB\n", sc->sc_dev.dv_xname); 2630 1.6.2.2 thorpej return; 2631 1.6.2.2 thorpej } 2632 1.6.2.2 thorpej 2633 1.6.2.2 thorpej for (i = 0, srb = sc->sc_srb; i < TRM_MAX_SRB; i++, srb++) { 2634 1.6.2.2 thorpej srb->sgentry = sc->sc_sglist + TRM_MAX_SG_ENTRIES * i; 2635 1.6.2.2 thorpej srb->sgoffset = TRM_SG_SIZE * i; 2636 1.6.2.2 thorpej srb->sgaddr = sc->sc_dmamap->dm_segs[0].ds_addr + srb->sgoffset; 2637 1.6.2.2 thorpej /* 2638 1.6.2.2 thorpej * map all SRB space to SRB_array 2639 1.6.2.2 thorpej */ 2640 1.6.2.2 thorpej if (bus_dmamap_create(sc->sc_dmat, 2641 1.6.2.2 thorpej MAXPHYS, TRM_MAX_SG_ENTRIES, MAXPHYS, 0, 2642 1.6.2.2 thorpej BUS_DMA_NOWAIT | BUS_DMA_ALLOCNOW, &srb->dmap)) { 2643 1.6.2.2 thorpej printf("%s: unable to create DMA transfer map...\n", 2644 1.6.2.2 thorpej sc->sc_dev.dv_xname); 2645 1.6.2.2 thorpej free(sc->sc_srb, M_DEVBUF); 2646 1.6.2.2 thorpej return; 2647 1.6.2.2 thorpej } 2648 1.6.2.2 thorpej if (i != TRM_MAX_SRB - 1) { 2649 1.6.2.2 thorpej /* 2650 1.6.2.2 thorpej * link all SRB 2651 1.6.2.2 thorpej */ 2652 1.6.2.2 thorpej srb->next = srb + 1; 2653 1.6.2.2 thorpej #ifdef TRM_DEBUG 2654 1.6.2.2 thorpej printf("srb->next = %8x ", (int) (srb + 1)); 2655 1.6.2.2 thorpej #endif 2656 1.6.2.2 thorpej } else { 2657 1.6.2.2 thorpej /* 2658 1.6.2.2 thorpej * load NULL to NextSRB of the last SRB 2659 1.6.2.2 thorpej */ 2660 1.6.2.2 thorpej srb->next = NULL; 2661 1.6.2.2 thorpej } 2662 1.6.2.2 thorpej #ifdef TRM_DEBUG 2663 1.6.2.2 thorpej printf("srb = %8x\n", (int) srb); 2664 1.6.2.2 thorpej #endif 2665 1.6.2.2 thorpej } 2666 1.6.2.2 thorpej return; 2667 1.6.2.2 thorpej } 2668 1.6.2.2 thorpej 2669 1.6.2.2 thorpej /* 2670 1.6.2.2 thorpej * initialize the internal structures for a given SCSI host 2671 1.6.2.2 thorpej */ 2672 1.6.2.2 thorpej static void 2673 1.6.2.2 thorpej trm_init_sc(sc) 2674 1.6.2.2 thorpej struct trm_softc *sc; 2675 1.6.2.2 thorpej { 2676 1.6.2.2 thorpej bus_space_tag_t iot = sc->sc_iot; 2677 1.6.2.2 thorpej bus_space_handle_t ioh = sc->sc_ioh; 2678 1.6.2.2 thorpej struct trm_nvram *eeprom; 2679 1.6.2.2 thorpej int i, j; 2680 1.6.2.2 thorpej 2681 1.6.2.2 thorpej eeprom = &sc->sc_eeprom; 2682 1.6.2.2 thorpej sc->maxid = 7; 2683 1.6.2.2 thorpej sc->sc_config = HCC_AUTOTERM | HCC_PARITY; 2684 1.6.2.2 thorpej if (bus_space_read_1(iot, ioh, TRM_GEN_STATUS) & WIDESCSI) { 2685 1.6.2.2 thorpej sc->sc_config |= HCC_WIDE_CARD; 2686 1.6.2.2 thorpej sc->maxid = 15; 2687 1.6.2.2 thorpej } 2688 1.6.2.2 thorpej if (eeprom->channel_cfg & NAC_POWERON_SCSI_RESET) 2689 1.6.2.2 thorpej sc->sc_config |= HCC_SCSI_RESET; 2690 1.6.2.2 thorpej 2691 1.6.2.2 thorpej sc->sc_linkdcb = NULL; 2692 1.6.2.2 thorpej sc->sc_roundcb = NULL; 2693 1.6.2.2 thorpej sc->sc_actdcb = NULL; 2694 1.6.2.2 thorpej sc->sc_id = eeprom->scsi_id; 2695 1.6.2.2 thorpej sc->devcnt = 0; 2696 1.6.2.2 thorpej sc->maxtag = 2 << eeprom->max_tag; 2697 1.6.2.2 thorpej sc->sc_flag = 0; 2698 1.6.2.2 thorpej sc->devscan_end = 0; 2699 1.6.2.2 thorpej /* 2700 1.6.2.2 thorpej * link all device's SRB Q of this adapter 2701 1.6.2.2 thorpej */ 2702 1.6.2.2 thorpej trm_link_srb(sc); 2703 1.6.2.2 thorpej sc->sc_freesrb = sc->sc_srb; 2704 1.6.2.2 thorpej /* allocate DCB array for scan device */ 2705 1.6.2.2 thorpej for (i = 0; i <= sc->maxid; i++) 2706 1.6.2.2 thorpej if (sc->sc_id != i) 2707 1.6.2.2 thorpej for (j = 0; j < 8; j++) { 2708 1.6.2.2 thorpej sc->devscan[i][j] = 1; 2709 1.6.2.2 thorpej sc->devflag[i][j] = 0; 2710 1.6.2.2 thorpej sc->sc_dcb[i][j] = 2711 1.6.2.2 thorpej malloc(sizeof(struct trm_dcb), 2712 1.6.2.2 thorpej M_DEVBUF, M_WAITOK); 2713 1.6.2.2 thorpej } 2714 1.6.2.2 thorpej 2715 1.6.2.2 thorpej #ifdef TRM_DEBUG 2716 1.6.2.2 thorpej printf("sizeof(struct trm_dcb)= %8x\n", sizeof(struct trm_dcb)); 2717 1.6.2.2 thorpej printf("sizeof(struct trm_softc)= %8x\n", sizeof(struct trm_softc)); 2718 1.6.2.2 thorpej printf("sizeof(struct trm_srb)= %8x\n", sizeof(struct trm_srb)); 2719 1.6.2.2 thorpej #endif 2720 1.6.2.2 thorpej sc->sc_adapter.adapt_dev = &sc->sc_dev; 2721 1.6.2.2 thorpej sc->sc_adapter.adapt_nchannels = 1; 2722 1.6.2.2 thorpej sc->sc_adapter.adapt_openings = TRM_MAX_SRB; 2723 1.6.2.2 thorpej sc->sc_adapter.adapt_max_periph = TRM_MAX_SRB; 2724 1.6.2.2 thorpej sc->sc_adapter.adapt_request = trm_scsipi_request; 2725 1.6.2.2 thorpej sc->sc_adapter.adapt_minphys = minphys; 2726 1.6.2.2 thorpej 2727 1.6.2.2 thorpej sc->sc_channel.chan_adapter = &sc->sc_adapter; 2728 1.6.2.2 thorpej sc->sc_channel.chan_bustype = &scsi_bustype; 2729 1.6.2.2 thorpej sc->sc_channel.chan_channel = 0; 2730 1.6.2.2 thorpej sc->sc_channel.chan_ntargets = sc->maxid + 1; 2731 1.6.2.2 thorpej sc->sc_channel.chan_nluns = 8; 2732 1.6.2.2 thorpej sc->sc_channel.chan_id = sc->sc_id; 2733 1.6.2.2 thorpej } 2734 1.6.2.2 thorpej 2735 1.6.2.2 thorpej /* 2736 1.6.2.2 thorpej * write sc_eeprom 128 bytes to seeprom 2737 1.6.2.2 thorpej */ 2738 1.6.2.2 thorpej static void 2739 1.6.2.2 thorpej trm_eeprom_write_all(sc, eeprom) 2740 1.6.2.2 thorpej struct trm_softc *sc; 2741 1.6.2.2 thorpej struct trm_nvram *eeprom; 2742 1.6.2.2 thorpej { 2743 1.6.2.2 thorpej bus_space_tag_t iot = sc->sc_iot; 2744 1.6.2.2 thorpej bus_space_handle_t ioh = sc->sc_ioh; 2745 1.6.2.2 thorpej u_int8_t *buf = (u_int8_t *)eeprom; 2746 1.6.2.2 thorpej u_int8_t addr; 2747 1.6.2.2 thorpej 2748 1.6.2.2 thorpej /* Enable SEEPROM */ 2749 1.6.2.2 thorpej bus_space_write_1(iot, ioh, TRM_GEN_CONTROL, 2750 1.6.2.2 thorpej bus_space_read_1(iot, ioh, TRM_GEN_CONTROL) | EN_EEPROM); 2751 1.6.2.2 thorpej 2752 1.6.2.2 thorpej /* 2753 1.6.2.2 thorpej * Write enable 2754 1.6.2.2 thorpej */ 2755 1.6.2.2 thorpej trm_eeprom_write_cmd(sc, 0x04, 0xFF); 2756 1.6.2.2 thorpej bus_space_write_1(iot, ioh, TRM_GEN_NVRAM, 0); 2757 1.6.2.2 thorpej trm_wait_30us(); 2758 1.6.2.2 thorpej 2759 1.6.2.2 thorpej for (addr = 0; addr < 128; addr++, buf++) 2760 1.6.2.2 thorpej trm_eeprom_set_data(sc, addr, *buf); 2761 1.6.2.2 thorpej 2762 1.6.2.2 thorpej /* 2763 1.6.2.2 thorpej * Write disable 2764 1.6.2.2 thorpej */ 2765 1.6.2.2 thorpej trm_eeprom_write_cmd(sc, 0x04, 0x00); 2766 1.6.2.2 thorpej bus_space_write_1(iot, ioh, TRM_GEN_NVRAM, 0); 2767 1.6.2.2 thorpej trm_wait_30us(); 2768 1.6.2.2 thorpej 2769 1.6.2.2 thorpej /* Disable SEEPROM */ 2770 1.6.2.2 thorpej bus_space_write_1(iot, ioh, TRM_GEN_CONTROL, 2771 1.6.2.2 thorpej bus_space_read_1(iot, ioh, TRM_GEN_CONTROL) & ~EN_EEPROM); 2772 1.6.2.2 thorpej } 2773 1.6.2.2 thorpej 2774 1.6.2.2 thorpej /* 2775 1.6.2.2 thorpej * write one byte to seeprom 2776 1.6.2.2 thorpej */ 2777 1.6.2.2 thorpej static void 2778 1.6.2.2 thorpej trm_eeprom_set_data(sc, addr, data) 2779 1.6.2.2 thorpej struct trm_softc *sc; 2780 1.6.2.2 thorpej u_int8_t addr; 2781 1.6.2.2 thorpej u_int8_t data; 2782 1.6.2.2 thorpej { 2783 1.6.2.2 thorpej bus_space_tag_t iot = sc->sc_iot; 2784 1.6.2.2 thorpej bus_space_handle_t ioh = sc->sc_ioh; 2785 1.6.2.2 thorpej int i; 2786 1.6.2.2 thorpej u_int8_t send; 2787 1.6.2.2 thorpej 2788 1.6.2.2 thorpej /* 2789 1.6.2.2 thorpej * Send write command & address 2790 1.6.2.2 thorpej */ 2791 1.6.2.2 thorpej trm_eeprom_write_cmd(sc, 0x05, addr); 2792 1.6.2.2 thorpej /* 2793 1.6.2.2 thorpej * Write data 2794 1.6.2.2 thorpej */ 2795 1.6.2.2 thorpej for (i = 0; i < 8; i++, data <<= 1) { 2796 1.6.2.2 thorpej send = NVR_SELECT; 2797 1.6.2.2 thorpej if (data & 0x80) /* Start from bit 7 */ 2798 1.6.2.2 thorpej send |= NVR_BITOUT; 2799 1.6.2.2 thorpej 2800 1.6.2.2 thorpej bus_space_write_1(iot, ioh, TRM_GEN_NVRAM, send); 2801 1.6.2.2 thorpej trm_wait_30us(); 2802 1.6.2.2 thorpej bus_space_write_1(iot, ioh, TRM_GEN_NVRAM, send | NVR_CLOCK); 2803 1.6.2.2 thorpej trm_wait_30us(); 2804 1.6.2.2 thorpej } 2805 1.6.2.2 thorpej bus_space_write_1(iot, ioh, TRM_GEN_NVRAM, NVR_SELECT); 2806 1.6.2.2 thorpej trm_wait_30us(); 2807 1.6.2.2 thorpej /* 2808 1.6.2.2 thorpej * Disable chip select 2809 1.6.2.2 thorpej */ 2810 1.6.2.2 thorpej bus_space_write_1(iot, ioh, TRM_GEN_NVRAM, 0); 2811 1.6.2.2 thorpej trm_wait_30us(); 2812 1.6.2.2 thorpej bus_space_write_1(iot, ioh, TRM_GEN_NVRAM, NVR_SELECT); 2813 1.6.2.2 thorpej trm_wait_30us(); 2814 1.6.2.2 thorpej /* 2815 1.6.2.2 thorpej * Wait for write ready 2816 1.6.2.2 thorpej */ 2817 1.6.2.2 thorpej for (;;) { 2818 1.6.2.2 thorpej bus_space_write_1(iot, ioh, TRM_GEN_NVRAM, 2819 1.6.2.2 thorpej NVR_SELECT | NVR_CLOCK); 2820 1.6.2.2 thorpej trm_wait_30us(); 2821 1.6.2.2 thorpej bus_space_write_1(iot, ioh, TRM_GEN_NVRAM, NVR_SELECT); 2822 1.6.2.2 thorpej trm_wait_30us(); 2823 1.6.2.2 thorpej if (bus_space_read_1(iot, ioh, TRM_GEN_NVRAM) & NVR_BITIN) 2824 1.6.2.2 thorpej break; 2825 1.6.2.2 thorpej } 2826 1.6.2.2 thorpej /* 2827 1.6.2.2 thorpej * Disable chip select 2828 1.6.2.2 thorpej */ 2829 1.6.2.2 thorpej bus_space_write_1(iot, ioh, TRM_GEN_NVRAM, 0); 2830 1.6.2.2 thorpej } 2831 1.6.2.2 thorpej 2832 1.6.2.2 thorpej /* 2833 1.6.2.2 thorpej * read seeprom 128 bytes to sc_eeprom 2834 1.6.2.2 thorpej */ 2835 1.6.2.2 thorpej static void 2836 1.6.2.2 thorpej trm_eeprom_read_all(sc, eeprom) 2837 1.6.2.2 thorpej struct trm_softc *sc; 2838 1.6.2.2 thorpej struct trm_nvram *eeprom; 2839 1.6.2.2 thorpej { 2840 1.6.2.2 thorpej bus_space_tag_t iot = sc->sc_iot; 2841 1.6.2.2 thorpej bus_space_handle_t ioh = sc->sc_ioh; 2842 1.6.2.2 thorpej u_int8_t *buf = (u_int8_t *)eeprom; 2843 1.6.2.2 thorpej u_int8_t addr; 2844 1.6.2.2 thorpej 2845 1.6.2.2 thorpej /* 2846 1.6.2.2 thorpej * Enable SEEPROM 2847 1.6.2.2 thorpej */ 2848 1.6.2.2 thorpej bus_space_write_1(iot, ioh, TRM_GEN_CONTROL, 2849 1.6.2.2 thorpej bus_space_read_1(iot, ioh, TRM_GEN_CONTROL) | EN_EEPROM); 2850 1.6.2.2 thorpej 2851 1.6.2.2 thorpej for (addr = 0; addr < 128; addr++, buf++) 2852 1.6.2.2 thorpej *buf = trm_eeprom_get_data(sc, addr); 2853 1.6.2.2 thorpej 2854 1.6.2.2 thorpej /* 2855 1.6.2.2 thorpej * Disable SEEPROM 2856 1.6.2.2 thorpej */ 2857 1.6.2.2 thorpej bus_space_write_1(iot, ioh, TRM_GEN_CONTROL, 2858 1.6.2.2 thorpej bus_space_read_1(iot, ioh, TRM_GEN_CONTROL) & ~EN_EEPROM); 2859 1.6.2.2 thorpej } 2860 1.6.2.2 thorpej 2861 1.6.2.2 thorpej /* 2862 1.6.2.2 thorpej * read one byte from seeprom 2863 1.6.2.2 thorpej */ 2864 1.6.2.2 thorpej static u_int8_t 2865 1.6.2.2 thorpej trm_eeprom_get_data(sc, addr) 2866 1.6.2.2 thorpej struct trm_softc *sc; 2867 1.6.2.2 thorpej u_int8_t addr; 2868 1.6.2.2 thorpej { 2869 1.6.2.2 thorpej bus_space_tag_t iot = sc->sc_iot; 2870 1.6.2.2 thorpej bus_space_handle_t ioh = sc->sc_ioh; 2871 1.6.2.2 thorpej int i; 2872 1.6.2.2 thorpej u_int8_t read, data = 0; 2873 1.6.2.2 thorpej 2874 1.6.2.2 thorpej /* 2875 1.6.2.2 thorpej * Send read command & address 2876 1.6.2.2 thorpej */ 2877 1.6.2.2 thorpej trm_eeprom_write_cmd(sc, 0x06, addr); 2878 1.6.2.2 thorpej 2879 1.6.2.2 thorpej for (i = 0; i < 8; i++) { /* Read data */ 2880 1.6.2.2 thorpej bus_space_write_1(iot, ioh, TRM_GEN_NVRAM, 2881 1.6.2.2 thorpej NVR_SELECT | NVR_CLOCK); 2882 1.6.2.2 thorpej trm_wait_30us(); 2883 1.6.2.2 thorpej bus_space_write_1(iot, ioh, TRM_GEN_NVRAM, NVR_SELECT); 2884 1.6.2.2 thorpej /* 2885 1.6.2.2 thorpej * Get data bit while falling edge 2886 1.6.2.2 thorpej */ 2887 1.6.2.2 thorpej read = bus_space_read_1(iot, ioh, TRM_GEN_NVRAM); 2888 1.6.2.2 thorpej data <<= 1; 2889 1.6.2.2 thorpej if (read & NVR_BITIN) 2890 1.6.2.2 thorpej data |= 1; 2891 1.6.2.2 thorpej 2892 1.6.2.2 thorpej trm_wait_30us(); 2893 1.6.2.2 thorpej } 2894 1.6.2.2 thorpej /* 2895 1.6.2.2 thorpej * Disable chip select 2896 1.6.2.2 thorpej */ 2897 1.6.2.2 thorpej bus_space_write_1(iot, ioh, TRM_GEN_NVRAM, 0); 2898 1.6.2.2 thorpej return (data); 2899 1.6.2.2 thorpej } 2900 1.6.2.2 thorpej 2901 1.6.2.2 thorpej /* 2902 1.6.2.2 thorpej * write SB and Op Code into seeprom 2903 1.6.2.2 thorpej */ 2904 1.6.2.2 thorpej static void 2905 1.6.2.2 thorpej trm_eeprom_write_cmd(sc, cmd, addr) 2906 1.6.2.2 thorpej struct trm_softc *sc; 2907 1.6.2.2 thorpej u_int8_t cmd; 2908 1.6.2.2 thorpej u_int8_t addr; 2909 1.6.2.2 thorpej { 2910 1.6.2.2 thorpej bus_space_tag_t iot = sc->sc_iot; 2911 1.6.2.2 thorpej bus_space_handle_t ioh = sc->sc_ioh; 2912 1.6.2.2 thorpej int i; 2913 1.6.2.2 thorpej u_int8_t send; 2914 1.6.2.2 thorpej 2915 1.6.2.2 thorpej /* Program SB+OP code */ 2916 1.6.2.2 thorpej for (i = 0; i < 3; i++, cmd <<= 1) { 2917 1.6.2.2 thorpej send = NVR_SELECT; 2918 1.6.2.2 thorpej if (cmd & 0x04) /* Start from bit 2 */ 2919 1.6.2.2 thorpej send |= NVR_BITOUT; 2920 1.6.2.2 thorpej 2921 1.6.2.2 thorpej bus_space_write_1(iot, ioh, TRM_GEN_NVRAM, send); 2922 1.6.2.2 thorpej trm_wait_30us(); 2923 1.6.2.2 thorpej bus_space_write_1(iot, ioh, TRM_GEN_NVRAM, send | NVR_CLOCK); 2924 1.6.2.2 thorpej trm_wait_30us(); 2925 1.6.2.2 thorpej } 2926 1.6.2.2 thorpej 2927 1.6.2.2 thorpej /* Program address */ 2928 1.6.2.2 thorpej for (i = 0; i < 7; i++, addr <<= 1) { 2929 1.6.2.2 thorpej send = NVR_SELECT; 2930 1.6.2.2 thorpej if (addr & 0x40) /* Start from bit 6 */ 2931 1.6.2.2 thorpej send |= NVR_BITOUT; 2932 1.6.2.2 thorpej 2933 1.6.2.2 thorpej bus_space_write_1(iot, ioh, TRM_GEN_NVRAM, send); 2934 1.6.2.2 thorpej trm_wait_30us(); 2935 1.6.2.2 thorpej bus_space_write_1(iot, ioh, TRM_GEN_NVRAM, send | NVR_CLOCK); 2936 1.6.2.2 thorpej trm_wait_30us(); 2937 1.6.2.2 thorpej } 2938 1.6.2.2 thorpej bus_space_write_1(iot, ioh, TRM_GEN_NVRAM, NVR_SELECT); 2939 1.6.2.2 thorpej trm_wait_30us(); 2940 1.6.2.2 thorpej } 2941 1.6.2.2 thorpej 2942 1.6.2.2 thorpej /* 2943 1.6.2.2 thorpej * read seeprom 128 bytes to sc_eeprom and check checksum. 2944 1.6.2.2 thorpej * If it is wrong, updated with default value. 2945 1.6.2.2 thorpej */ 2946 1.6.2.2 thorpej static void 2947 1.6.2.2 thorpej trm_check_eeprom(sc, eeprom) 2948 1.6.2.2 thorpej struct trm_softc *sc; 2949 1.6.2.2 thorpej struct trm_nvram *eeprom; 2950 1.6.2.2 thorpej { 2951 1.6.2.2 thorpej struct nvram_target *target; 2952 1.6.2.2 thorpej u_int16_t *ep; 2953 1.6.2.2 thorpej u_int16_t chksum; 2954 1.6.2.2 thorpej int i; 2955 1.6.2.2 thorpej 2956 1.6.2.2 thorpej #ifdef TRM_DEBUG 2957 1.6.2.2 thorpej printf("\n trm_check_eeprom......\n"); 2958 1.6.2.2 thorpej #endif 2959 1.6.2.2 thorpej trm_eeprom_read_all(sc, eeprom); 2960 1.6.2.2 thorpej ep = (u_int16_t *)eeprom; 2961 1.6.2.2 thorpej chksum = 0; 2962 1.6.2.2 thorpej for (i = 0; i < 64; i++) 2963 1.6.2.2 thorpej chksum += le16toh(*ep++); 2964 1.6.2.2 thorpej 2965 1.6.2.2 thorpej if (chksum != TRM_NVRAM_CKSUM) { 2966 1.6.2.2 thorpej #ifdef TRM_DEBUG 2967 1.6.2.2 thorpej printf("TRM_S1040 EEPROM Check Sum ERROR (load default).\n"); 2968 1.6.2.2 thorpej #endif 2969 1.6.2.2 thorpej /* 2970 1.6.2.2 thorpej * Checksum error, load default 2971 1.6.2.2 thorpej */ 2972 1.6.2.2 thorpej eeprom->subvendor_id[0] = PCI_VENDOR_TEKRAM2 & 0xFF; 2973 1.6.2.2 thorpej eeprom->subvendor_id[1] = PCI_VENDOR_TEKRAM2 >> 8; 2974 1.6.2.2 thorpej eeprom->subsys_id[0] = PCI_PRODUCT_TEKRAM2_DC315 & 0xFF; 2975 1.6.2.2 thorpej eeprom->subsys_id[1] = PCI_PRODUCT_TEKRAM2_DC315 >> 8; 2976 1.6.2.2 thorpej eeprom->subclass = 0x00; 2977 1.6.2.2 thorpej eeprom->vendor_id[0] = PCI_VENDOR_TEKRAM2 & 0xFF; 2978 1.6.2.2 thorpej eeprom->vendor_id[1] = PCI_VENDOR_TEKRAM2 >> 8; 2979 1.6.2.2 thorpej eeprom->device_id[0] = PCI_PRODUCT_TEKRAM2_DC315 & 0xFF; 2980 1.6.2.2 thorpej eeprom->device_id[1] = PCI_PRODUCT_TEKRAM2_DC315 >> 8; 2981 1.6.2.2 thorpej eeprom->reserved0 = 0x00; 2982 1.6.2.2 thorpej 2983 1.6.2.2 thorpej for (i = 0, target = eeprom->target; 2984 1.6.2.2 thorpej i < TRM_MAX_TARGETS; 2985 1.6.2.2 thorpej i++, target++) { 2986 1.6.2.2 thorpej target->config0 = 0x77; 2987 1.6.2.2 thorpej target->period = 0x00; 2988 1.6.2.2 thorpej target->config2 = 0x00; 2989 1.6.2.2 thorpej target->config3 = 0x00; 2990 1.6.2.2 thorpej } 2991 1.6.2.2 thorpej 2992 1.6.2.2 thorpej eeprom->scsi_id = 7; 2993 1.6.2.2 thorpej eeprom->channel_cfg = 0x0F; 2994 1.6.2.2 thorpej eeprom->delay_time = 0; 2995 1.6.2.2 thorpej eeprom->max_tag = 4; 2996 1.6.2.2 thorpej eeprom->reserved1 = 0x15; 2997 1.6.2.2 thorpej eeprom->boot_target = 0; 2998 1.6.2.2 thorpej eeprom->boot_lun = 0; 2999 1.6.2.2 thorpej eeprom->reserved2 = 0; 3000 1.6.2.2 thorpej memset(eeprom->reserved3, 0, sizeof(eeprom->reserved3)); 3001 1.6.2.2 thorpej 3002 1.6.2.2 thorpej chksum = 0; 3003 1.6.2.2 thorpej ep = (u_int16_t *)eeprom; 3004 1.6.2.2 thorpej for (i = 0; i < 63; i++) 3005 1.6.2.2 thorpej chksum += le16toh(*ep++); 3006 1.6.2.2 thorpej 3007 1.6.2.2 thorpej chksum = TRM_NVRAM_CKSUM - chksum; 3008 1.6.2.2 thorpej eeprom->checksum0 = chksum & 0xFF; 3009 1.6.2.2 thorpej eeprom->checksum1 = chksum >> 8; 3010 1.6.2.2 thorpej 3011 1.6.2.2 thorpej trm_eeprom_write_all(sc, eeprom); 3012 1.6.2.2 thorpej } 3013 1.6.2.2 thorpej } 3014 1.6.2.2 thorpej 3015 1.6.2.2 thorpej /* 3016 1.6.2.2 thorpej * initialize the SCSI chip ctrl registers 3017 1.6.2.2 thorpej */ 3018 1.6.2.2 thorpej static void 3019 1.6.2.2 thorpej trm_init_adapter(sc) 3020 1.6.2.2 thorpej struct trm_softc *sc; 3021 1.6.2.2 thorpej { 3022 1.6.2.2 thorpej bus_space_tag_t iot = sc->sc_iot; 3023 1.6.2.2 thorpej bus_space_handle_t ioh = sc->sc_ioh; 3024 1.6.2.2 thorpej u_int8_t bval; 3025 1.6.2.2 thorpej 3026 1.6.2.2 thorpej /* program configuration 0 */ 3027 1.6.2.2 thorpej bval = PHASELATCH | INITIATOR | BLOCKRST; 3028 1.6.2.2 thorpej if (sc->sc_config & HCC_PARITY) 3029 1.6.2.2 thorpej bval |= PARITYCHECK; 3030 1.6.2.2 thorpej bus_space_write_1(iot, ioh, TRM_SCSI_CONFIG0, bval); 3031 1.6.2.2 thorpej 3032 1.6.2.2 thorpej /* program configuration 1 */ 3033 1.6.2.2 thorpej bus_space_write_1(iot, ioh, TRM_SCSI_CONFIG1, 3034 1.6.2.2 thorpej ACTIVE_NEG | ACTIVE_NEGPLUS); 3035 1.6.2.2 thorpej 3036 1.6.2.2 thorpej /* 250ms selection timeout */ 3037 1.6.2.2 thorpej bus_space_write_1(iot, ioh, TRM_SCSI_TIMEOUT, SEL_TIMEOUT); 3038 1.6.2.2 thorpej 3039 1.6.2.2 thorpej /* Mask all the interrupt */ 3040 1.6.2.2 thorpej bus_space_write_1(iot, ioh, TRM_DMA_INTEN, 0); 3041 1.6.2.2 thorpej bus_space_write_1(iot, ioh, TRM_SCSI_INTEN, 0); 3042 1.6.2.2 thorpej 3043 1.6.2.2 thorpej /* Reset SCSI module */ 3044 1.6.2.2 thorpej bus_space_write_2(iot, ioh, TRM_SCSI_CONTROL, DO_RSTMODULE); 3045 1.6.2.2 thorpej 3046 1.6.2.2 thorpej /* program Host ID */ 3047 1.6.2.2 thorpej bus_space_write_1(iot, ioh, TRM_SCSI_HOSTID, sc->sc_id); 3048 1.6.2.2 thorpej 3049 1.6.2.2 thorpej /* set ansynchronous transfer */ 3050 1.6.2.2 thorpej bus_space_write_1(iot, ioh, TRM_SCSI_OFFSET, 0); 3051 1.6.2.2 thorpej 3052 1.6.2.2 thorpej /* Trun LED control off */ 3053 1.6.2.2 thorpej bus_space_write_2(iot, ioh, TRM_GEN_CONTROL, 3054 1.6.2.2 thorpej bus_space_read_2(iot, ioh, TRM_GEN_CONTROL) & ~EN_LED); 3055 1.6.2.2 thorpej 3056 1.6.2.2 thorpej /* DMA config */ 3057 1.6.2.2 thorpej bus_space_write_2(iot, ioh, TRM_DMA_CONFIG, 3058 1.6.2.2 thorpej bus_space_read_2(iot, ioh, TRM_DMA_CONFIG) | DMA_ENHANCE); 3059 1.6.2.2 thorpej 3060 1.6.2.2 thorpej /* Clear pending interrupt status */ 3061 1.6.2.2 thorpej bus_space_read_1(iot, ioh, TRM_SCSI_INTSTATUS); 3062 1.6.2.2 thorpej 3063 1.6.2.2 thorpej /* Enable SCSI interrupt */ 3064 1.6.2.2 thorpej bus_space_write_1(iot, ioh, TRM_SCSI_INTEN, 3065 1.6.2.2 thorpej EN_SELECT | EN_SELTIMEOUT | EN_DISCONNECT | EN_RESELECTED | 3066 1.6.2.2 thorpej EN_SCSIRESET | EN_BUSSERVICE | EN_CMDDONE); 3067 1.6.2.2 thorpej bus_space_write_1(iot, ioh, TRM_DMA_INTEN, EN_SCSIINTR); 3068 1.6.2.2 thorpej } 3069 1.6.2.2 thorpej 3070 1.6.2.2 thorpej /* 3071 1.6.2.2 thorpej * initialize the internal structures for a given SCSI host 3072 1.6.2.2 thorpej */ 3073 1.6.2.2 thorpej static int 3074 1.6.2.2 thorpej trm_init(sc) 3075 1.6.2.2 thorpej struct trm_softc *sc; 3076 1.6.2.2 thorpej { 3077 1.6.2.2 thorpej bus_dma_segment_t seg; 3078 1.6.2.2 thorpej int error, rseg, all_sgsize; 3079 1.6.2.2 thorpej 3080 1.6.2.2 thorpej /* 3081 1.6.2.2 thorpej * EEPROM CHECKSUM 3082 1.6.2.2 thorpej */ 3083 1.6.2.2 thorpej trm_check_eeprom(sc, &sc->sc_eeprom); 3084 1.6.2.2 thorpej /* 3085 1.6.2.2 thorpej * MEMORY ALLOCATE FOR ADAPTER CONTROL BLOCK 3086 1.6.2.2 thorpej * allocate the space for all SCSI control blocks (SRB) for DMA memory 3087 1.6.2.2 thorpej */ 3088 1.6.2.2 thorpej all_sgsize = TRM_MAX_SRB * TRM_SG_SIZE; 3089 1.6.2.2 thorpej if ((error = bus_dmamem_alloc(sc->sc_dmat, all_sgsize, PAGE_SIZE, 3090 1.6.2.2 thorpej 0, &seg, 1, &rseg, BUS_DMA_NOWAIT)) != 0) { 3091 1.6.2.2 thorpej printf("%s: unable to allocate SCSI REQUEST BLOCKS, " 3092 1.6.2.2 thorpej "error = %d\n", sc->sc_dev.dv_xname, error); 3093 1.6.2.2 thorpej return (-1); 3094 1.6.2.2 thorpej } 3095 1.6.2.2 thorpej if ((error = bus_dmamem_map(sc->sc_dmat, &seg, rseg, 3096 1.6.2.2 thorpej all_sgsize, (caddr_t *) &sc->sc_sglist, 3097 1.6.2.2 thorpej BUS_DMA_NOWAIT | BUS_DMA_COHERENT)) != 0) { 3098 1.6.2.2 thorpej printf("%s: unable to map SCSI REQUEST BLOCKS, " 3099 1.6.2.2 thorpej "error = %d\n", sc->sc_dev.dv_xname, error); 3100 1.6.2.2 thorpej return (-1); 3101 1.6.2.2 thorpej } 3102 1.6.2.2 thorpej if ((error = bus_dmamap_create(sc->sc_dmat, all_sgsize, 1, 3103 1.6.2.2 thorpej all_sgsize, 0, BUS_DMA_NOWAIT, &sc->sc_dmamap)) != 0) { 3104 1.6.2.2 thorpej printf("%s: unable to create SRB DMA maps, " 3105 1.6.2.2 thorpej "error = %d\n", sc->sc_dev.dv_xname, error); 3106 1.6.2.2 thorpej return (-1); 3107 1.6.2.2 thorpej } 3108 1.6.2.2 thorpej if ((error = bus_dmamap_load(sc->sc_dmat, sc->sc_dmamap, 3109 1.6.2.2 thorpej sc->sc_sglist, all_sgsize, NULL, BUS_DMA_NOWAIT)) != 0) { 3110 1.6.2.2 thorpej printf("%s: unable to load SRB DMA maps, " 3111 1.6.2.2 thorpej "error = %d\n", sc->sc_dev.dv_xname, error); 3112 1.6.2.2 thorpej return (-1); 3113 1.6.2.2 thorpej } 3114 1.6.2.2 thorpej #ifdef TRM_DEBUG 3115 1.6.2.2 thorpej printf("\n\n%s: all_sgsize=%x\n", sc->sc_dev.dv_xname, all_sgsize); 3116 1.6.2.2 thorpej #endif 3117 1.6.2.2 thorpej memset(sc->sc_sglist, 0, all_sgsize); 3118 1.6.2.2 thorpej trm_init_sc(sc); 3119 1.6.2.2 thorpej trm_init_adapter(sc); 3120 1.6.2.2 thorpej trm_reset(sc); 3121 1.6.2.2 thorpej return (0); 3122 1.6.2.2 thorpej } 3123 1.6.2.2 thorpej 3124 1.6.2.2 thorpej /* 3125 1.6.2.2 thorpej * attach and init a host adapter 3126 1.6.2.2 thorpej */ 3127 1.6.2.2 thorpej static void 3128 1.6.2.2 thorpej trm_attach(parent, self, aux) 3129 1.6.2.2 thorpej struct device *parent; 3130 1.6.2.2 thorpej struct device *self; 3131 1.6.2.2 thorpej void *aux; 3132 1.6.2.2 thorpej { 3133 1.6.2.2 thorpej struct pci_attach_args *const pa = aux; 3134 1.6.2.2 thorpej struct trm_softc *sc = (void *) self; 3135 1.6.2.2 thorpej bus_space_tag_t iot; /* bus space tag */ 3136 1.6.2.2 thorpej bus_space_handle_t ioh; /* bus space handle */ 3137 1.6.2.2 thorpej pci_intr_handle_t ih; 3138 1.6.2.2 thorpej pcireg_t command; 3139 1.6.2.2 thorpej const char *intrstr; 3140 1.6.2.2 thorpej 3141 1.6.2.2 thorpej /* 3142 1.6.2.2 thorpej * These cards do not allow memory mapped accesses 3143 1.6.2.2 thorpej * pa_pc: chipset tag 3144 1.6.2.2 thorpej * pa_tag: pci tag 3145 1.6.2.2 thorpej */ 3146 1.6.2.2 thorpej command = pci_conf_read(pa->pa_pc, pa->pa_tag, PCI_COMMAND_STATUS_REG); 3147 1.6.2.2 thorpej if ((command & (PCI_COMMAND_IO_ENABLE | PCI_COMMAND_MASTER_ENABLE)) != 3148 1.6.2.2 thorpej (PCI_COMMAND_IO_ENABLE | PCI_COMMAND_MASTER_ENABLE)) { 3149 1.6.2.2 thorpej command |= PCI_COMMAND_IO_ENABLE | PCI_COMMAND_MASTER_ENABLE; 3150 1.6.2.2 thorpej pci_conf_write(pa->pa_pc, pa->pa_tag, 3151 1.6.2.2 thorpej PCI_COMMAND_STATUS_REG, command); 3152 1.6.2.2 thorpej } 3153 1.6.2.2 thorpej /* 3154 1.6.2.2 thorpej * mask for get correct base address of pci IO port 3155 1.6.2.2 thorpej */ 3156 1.6.2.2 thorpej if (pci_mapreg_map(pa, PCI_MAPREG_START, PCI_MAPREG_TYPE_IO, 0, 3157 1.6.2.2 thorpej &iot, &ioh, NULL, NULL)) { 3158 1.6.2.2 thorpej printf("%s: unable to map registers\n", sc->sc_dev.dv_xname); 3159 1.6.2.2 thorpej return; 3160 1.6.2.2 thorpej } 3161 1.6.2.2 thorpej /* 3162 1.6.2.2 thorpej * test checksum of eeprom..& initial "ACB" adapter control block... 3163 1.6.2.2 thorpej */ 3164 1.6.2.2 thorpej sc->sc_iot = iot; 3165 1.6.2.2 thorpej sc->sc_ioh = ioh; 3166 1.6.2.2 thorpej sc->sc_dmat = pa->pa_dmat; 3167 1.6.2.2 thorpej if (trm_init(sc)) { 3168 1.6.2.2 thorpej /* 3169 1.6.2.2 thorpej * Error during initialization! 3170 1.6.2.2 thorpej */ 3171 1.6.2.2 thorpej printf(": Error during initialization\n"); 3172 1.6.2.2 thorpej return; 3173 1.6.2.2 thorpej } 3174 1.6.2.2 thorpej /* 3175 1.6.2.2 thorpej * Now try to attach all the sub-devices 3176 1.6.2.2 thorpej */ 3177 1.6.2.2 thorpej if (sc->sc_config & HCC_WIDE_CARD) 3178 1.6.2.2 thorpej printf(": Tekram DC395UW/F (TRM-S1040) Fast40 " 3179 1.6.2.2 thorpej "Ultra Wide SCSI Adapter\n"); 3180 1.6.2.2 thorpej else 3181 1.6.2.2 thorpej printf(": Tekram DC395U, DC315/U (TRM-S1040) Fast20 " 3182 1.6.2.2 thorpej "Ultra SCSI Adapter\n"); 3183 1.6.2.2 thorpej 3184 1.6.2.2 thorpej printf("%s: Adapter ID=%d, Max tag number=%d, %d SCBs\n", 3185 1.6.2.2 thorpej sc->sc_dev.dv_xname, sc->sc_id, sc->maxtag, TRM_MAX_SRB); 3186 1.6.2.2 thorpej /* 3187 1.6.2.2 thorpej * Now tell the generic SCSI layer about our bus. 3188 1.6.2.2 thorpej * map and establish interrupt 3189 1.6.2.2 thorpej */ 3190 1.6.2.2 thorpej if (pci_intr_map(pa, &ih)) { 3191 1.6.2.2 thorpej printf("%s: couldn't map interrupt\n", sc->sc_dev.dv_xname); 3192 1.6.2.2 thorpej return; 3193 1.6.2.2 thorpej } 3194 1.6.2.2 thorpej intrstr = pci_intr_string(pa->pa_pc, ih); 3195 1.6.2.2 thorpej 3196 1.6.2.2 thorpej if (pci_intr_establish(pa->pa_pc, ih, IPL_BIO, trm_intr, sc) == NULL) { 3197 1.6.2.2 thorpej printf("%s: couldn't establish interrupt", sc->sc_dev.dv_xname); 3198 1.6.2.2 thorpej if (intrstr != NULL) 3199 1.6.2.2 thorpej printf(" at %s", intrstr); 3200 1.6.2.2 thorpej printf("\n"); 3201 1.6.2.2 thorpej return; 3202 1.6.2.2 thorpej } 3203 1.6.2.2 thorpej if (intrstr != NULL) 3204 1.6.2.2 thorpej printf("%s: interrupting at %s\n", 3205 1.6.2.2 thorpej sc->sc_dev.dv_xname, intrstr); 3206 1.6.2.2 thorpej config_found(&sc->sc_dev, &sc->sc_channel, scsiprint); 3207 1.6.2.2 thorpej } 3208 1.6.2.2 thorpej 3209 1.6.2.2 thorpej /* 3210 1.6.2.2 thorpej * match pci device 3211 1.6.2.2 thorpej */ 3212 1.6.2.2 thorpej static int 3213 1.6.2.2 thorpej trm_probe(parent, match, aux) 3214 1.6.2.2 thorpej struct device *parent; 3215 1.6.2.2 thorpej struct cfdata *match; 3216 1.6.2.2 thorpej void *aux; 3217 1.6.2.2 thorpej { 3218 1.6.2.2 thorpej struct pci_attach_args *pa = aux; 3219 1.6.2.2 thorpej 3220 1.6.2.2 thorpej if (PCI_VENDOR(pa->pa_id) == PCI_VENDOR_TEKRAM2) 3221 1.6.2.2 thorpej switch (PCI_PRODUCT(pa->pa_id)) { 3222 1.6.2.2 thorpej case PCI_PRODUCT_TEKRAM2_DC315: 3223 1.6.2.2 thorpej return (1); 3224 1.6.2.2 thorpej } 3225 1.6.2.2 thorpej return (0); 3226 1.6.2.2 thorpej } 3227
Indexes created Tue Oct 14 01:09:49 GMT 2025