SCSI_media.c revision 1.2.4.2
1 1.2.4.2 tls /* 2 1.2.4.2 tls * SCSI_media.c - 3 1.2.4.2 tls * 4 1.2.4.2 tls * Written by Eryk Vershen 5 1.2.4.2 tls */ 6 1.2.4.2 tls 7 1.2.4.2 tls /* 8 1.2.4.2 tls * Copyright 1997,1998 by Apple Computer, Inc. 9 1.2.4.2 tls * All Rights Reserved 10 1.2.4.2 tls * 11 1.2.4.2 tls * Permission to use, copy, modify, and distribute this software and 12 1.2.4.2 tls * its documentation for any purpose and without fee is hereby granted, 13 1.2.4.2 tls * provided that the above copyright notice appears in all copies and 14 1.2.4.2 tls * that both the copyright notice and this permission notice appear in 15 1.2.4.2 tls * supporting documentation. 16 1.2.4.2 tls * 17 1.2.4.2 tls * APPLE COMPUTER DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE 18 1.2.4.2 tls * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS 19 1.2.4.2 tls * FOR A PARTICULAR PURPOSE. 20 1.2.4.2 tls * 21 1.2.4.2 tls * IN NO EVENT SHALL APPLE COMPUTER BE LIABLE FOR ANY SPECIAL, INDIRECT, OR 22 1.2.4.2 tls * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM 23 1.2.4.2 tls * LOSS OF USE, DATA OR PROFITS, WHETHER IN ACTION OF CONTRACT, 24 1.2.4.2 tls * NEGLIGENCE, OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION 25 1.2.4.2 tls * WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 26 1.2.4.2 tls */ 27 1.2.4.2 tls 28 1.2.4.2 tls 29 1.2.4.2 tls // for printf() & sprintf() 30 1.2.4.2 tls #include <stdio.h> 31 1.2.4.2 tls // for malloc() & free() 32 1.2.4.2 tls #include <stdlib.h> 33 1.2.4.2 tls #include "DoSCSICommand.h" 34 1.2.4.2 tls #include "SCSI_media.h" 35 1.2.4.2 tls #include "util.h" 36 1.2.4.2 tls 37 1.2.4.2 tls 38 1.2.4.2 tls /* 39 1.2.4.2 tls * Defines 40 1.2.4.2 tls */ 41 1.2.4.2 tls #define DriverRefNumToSCSI(x) ((int16_t) (~(x) - 32)) 42 1.2.4.2 tls 43 1.2.4.2 tls 44 1.2.4.2 tls /* 45 1.2.4.2 tls * Types 46 1.2.4.2 tls */ 47 1.2.4.2 tls typedef struct SCSI_media *SCSI_MEDIA; 48 1.2.4.2 tls 49 1.2.4.2 tls struct SCSI_media { 50 1.2.4.2 tls struct media m; 51 1.2.4.2 tls long bus; 52 1.2.4.2 tls long id; 53 1.2.4.2 tls }; 54 1.2.4.2 tls 55 1.2.4.2 tls struct bus_entry { 56 1.2.4.2 tls long bus; 57 1.2.4.2 tls long sort_value; 58 1.2.4.2 tls long max_id; 59 1.2.4.2 tls long master_id; 60 1.2.4.2 tls }; 61 1.2.4.2 tls 62 1.2.4.2 tls struct SCSI_manager { 63 1.2.4.2 tls long exists; 64 1.2.4.2 tls long kind; 65 1.2.4.2 tls long bus_count; 66 1.2.4.2 tls struct bus_entry *bus_list; 67 1.2.4.2 tls }; 68 1.2.4.2 tls 69 1.2.4.2 tls typedef struct SCSI_media_iterator *SCSI_MEDIA_ITERATOR; 70 1.2.4.2 tls 71 1.2.4.2 tls struct SCSI_media_iterator { 72 1.2.4.2 tls struct media_iterator m; 73 1.2.4.2 tls long bus_index; 74 1.2.4.2 tls long bus; 75 1.2.4.2 tls long id; 76 1.2.4.2 tls }; 77 1.2.4.2 tls 78 1.2.4.2 tls struct linux_order_cache { 79 1.2.4.2 tls struct cache_item *first; 80 1.2.4.2 tls struct cache_item *last; 81 1.2.4.2 tls long next_disk; 82 1.2.4.2 tls long next_cdrom; 83 1.2.4.2 tls long loaded; 84 1.2.4.2 tls }; 85 1.2.4.2 tls 86 1.2.4.2 tls struct cache_item { 87 1.2.4.2 tls struct cache_item *next; 88 1.2.4.2 tls long bus; 89 1.2.4.2 tls long id; 90 1.2.4.2 tls long value; 91 1.2.4.2 tls long is_cdrom; 92 1.2.4.2 tls long unsure; 93 1.2.4.2 tls }; 94 1.2.4.2 tls 95 1.2.4.2 tls 96 1.2.4.2 tls /* 97 1.2.4.2 tls * Global Constants 98 1.2.4.2 tls */ 99 1.2.4.2 tls enum { 100 1.2.4.2 tls kNoDevice = 0x00FF 101 1.2.4.2 tls }; 102 1.2.4.2 tls 103 1.2.4.2 tls enum { 104 1.2.4.2 tls kRequiredSCSIinquiryLength = 36 105 1.2.4.2 tls }; 106 1.2.4.2 tls 107 1.2.4.2 tls 108 1.2.4.2 tls /* 109 1.2.4.2 tls * Global Variables 110 1.2.4.2 tls */ 111 1.2.4.2 tls static long scsi_inited = 0; 112 1.2.4.2 tls static struct SCSI_manager scsi_mgr; 113 1.2.4.2 tls static struct linux_order_cache linux_order; 114 1.2.4.2 tls 115 1.2.4.2 tls 116 1.2.4.2 tls /* 117 1.2.4.2 tls * Forward declarations 118 1.2.4.2 tls */ 119 1.2.4.2 tls int AsyncSCSIPresent(void); 120 1.2.4.2 tls void scsi_init(void); 121 1.2.4.2 tls SCSI_MEDIA new_scsi_media(void); 122 1.2.4.2 tls long read_scsi_media(MEDIA m, long long offset, uint32_t count, void *address); 123 1.2.4.2 tls long write_scsi_media(MEDIA m, long long offset, uint32_t count, void *address); 124 1.2.4.2 tls long close_scsi_media(MEDIA m); 125 1.2.4.2 tls long os_reload_scsi_media(MEDIA m); 126 1.2.4.2 tls long compute_id(long bus, long device); 127 1.2.4.2 tls int SCSI_ReadBlock(UInt32 id, UInt32 bus, UInt32 block_size, UInt32 block, UInt8 *address); 128 1.2.4.2 tls int SCSI_WriteBlock(UInt32 id, UInt32 bus, UInt32 block_size, UInt32 block, UInt8 *address); 129 1.2.4.2 tls int DoTestUnitReady(UInt8 targetID, int bus); 130 1.2.4.2 tls int DoReadCapacity(UInt32 id, UInt32 bus, UInt32 *blockCount, UInt32 *blockSize); 131 1.2.4.2 tls SCSI_MEDIA_ITERATOR new_scsi_iterator(void); 132 1.2.4.2 tls void reset_scsi_iterator(MEDIA_ITERATOR m); 133 1.2.4.2 tls char *step_scsi_iterator(MEDIA_ITERATOR m); 134 1.2.4.2 tls void delete_scsi_iterator(MEDIA_ITERATOR m); 135 1.2.4.2 tls void fill_bus_entry(struct bus_entry *entry, long bus); 136 1.2.4.2 tls /*long get_bus_sort_value(long bus);*/ 137 1.2.4.2 tls int bus_entry_compare(const void* a, const void* b); 138 1.2.4.2 tls int DoInquiry(UInt32 id, UInt32 bus, UInt32 *devType); 139 1.2.4.2 tls void probe_all(void); 140 1.2.4.2 tls void probe_scsi_device(long bus, long id, int unsure); 141 1.2.4.2 tls long lookup_scsi_device(long bus, long id, int *is_cdrom, int *unsure); 142 1.2.4.2 tls long lookup_scsi_index(long index, int is_cdrom, long *bus, long *id); 143 1.2.4.2 tls void add_to_cache(long bus, long id, int is_cdrom, int unsure); 144 1.2.4.2 tls void init_linux_cache(void); 145 1.2.4.2 tls void clear_linux_cache(void); 146 1.2.4.2 tls void mark_linux_cache_loaded(void); 147 1.2.4.2 tls int linux_cache_loaded(void); 148 1.2.4.2 tls 149 1.2.4.2 tls 150 1.2.4.2 tls /* 151 1.2.4.2 tls * Routines 152 1.2.4.2 tls */ 153 1.2.4.2 tls int 154 1.2.4.2 tls AsyncSCSIPresent(void) 155 1.2.4.2 tls { 156 1.2.4.2 tls return (TrapAvailable(_SCSIAtomic)); 157 1.2.4.2 tls } 158 1.2.4.2 tls 159 1.2.4.2 tls 160 1.2.4.2 tls void 161 1.2.4.2 tls scsi_init(void) 162 1.2.4.2 tls { 163 1.2.4.2 tls int i; 164 1.2.4.2 tls int old_scsi; 165 1.2.4.2 tls 166 1.2.4.2 tls if (scsi_inited != 0) { 167 1.2.4.2 tls return; 168 1.2.4.2 tls } 169 1.2.4.2 tls scsi_inited = 1; 170 1.2.4.2 tls 171 1.2.4.2 tls scsi_mgr.exists = 1; 172 1.2.4.2 tls scsi_mgr.kind = allocate_media_kind(); 173 1.2.4.2 tls 174 1.2.4.2 tls if (AsyncSCSIPresent()) { 175 1.2.4.2 tls AllocatePB(); 176 1.2.4.2 tls 177 1.2.4.2 tls scsi_mgr.bus_count = gSCSIHiBusID + 1; 178 1.2.4.2 tls old_scsi = 0; 179 1.2.4.2 tls } else { 180 1.2.4.2 tls scsi_mgr.bus_count = 1; 181 1.2.4.2 tls old_scsi = 1; 182 1.2.4.2 tls } 183 1.2.4.2 tls 184 1.2.4.2 tls scsi_mgr.bus_list = (struct bus_entry *) 185 1.2.4.2 tls calloc(scsi_mgr.bus_count, sizeof(struct bus_entry)); 186 1.2.4.2 tls 187 1.2.4.2 tls if (scsi_mgr.bus_list == 0) { 188 1.2.4.2 tls scsi_mgr.bus_count = 0; 189 1.2.4.2 tls } else { 190 1.2.4.2 tls for (i = 0; i < scsi_mgr.bus_count; i++) { 191 1.2.4.2 tls if (old_scsi) { 192 1.2.4.2 tls scsi_mgr.bus_list[i].bus = 0xFF; 193 1.2.4.2 tls } else { 194 1.2.4.2 tls scsi_mgr.bus_list[i].bus = i; 195 1.2.4.2 tls } 196 1.2.4.2 tls fill_bus_entry(&scsi_mgr.bus_list[i], i); 197 1.2.4.2 tls } 198 1.2.4.2 tls qsort((void *)scsi_mgr.bus_list, /* address of array */ 199 1.2.4.2 tls scsi_mgr.bus_count, /* number of elements */ 200 1.2.4.2 tls sizeof(struct bus_entry), /* size of element */ 201 1.2.4.2 tls bus_entry_compare); /* element comparison routine */ 202 1.2.4.2 tls } 203 1.2.4.2 tls 204 1.2.4.2 tls init_linux_cache(); 205 1.2.4.2 tls } 206 1.2.4.2 tls 207 1.2.4.2 tls void 208 1.2.4.2 tls fill_bus_entry(struct bus_entry *entry, long bus) 209 1.2.4.2 tls { 210 1.2.4.2 tls OSErr status; 211 1.2.4.2 tls SCSIBusInquiryPB pb; 212 1.2.4.2 tls long len; 213 1.2.4.2 tls long result; 214 1.2.4.2 tls long x, y; 215 1.2.4.2 tls 216 1.2.4.2 tls if (!AsyncSCSIPresent()) { 217 1.2.4.2 tls entry->sort_value = 0; 218 1.2.4.2 tls entry->max_id = 7; 219 1.2.4.2 tls entry->master_id = 7; 220 1.2.4.2 tls return; 221 1.2.4.2 tls } 222 1.2.4.2 tls len = sizeof(SCSIBusInquiryPB); 223 1.2.4.2 tls clear_memory((Ptr) &pb, len); 224 1.2.4.2 tls pb.scsiPBLength = len; 225 1.2.4.2 tls pb.scsiFunctionCode = SCSIBusInquiry; 226 1.2.4.2 tls pb.scsiDevice.bus = bus; 227 1.2.4.2 tls status = SCSIAction((SCSI_PB *) &pb); 228 1.2.4.2 tls if (status != noErr) { 229 1.2.4.2 tls result = 6; 230 1.2.4.2 tls } else { 231 1.2.4.2 tls switch (pb.scsiHBAslotType) { 232 1.2.4.2 tls case scsiMotherboardBus: x = 0; break; 233 1.2.4.2 tls case scsiPDSBus: x = 1; break; 234 1.2.4.2 tls case scsiNuBus: x = 2; break; 235 1.2.4.2 tls case scsiPCIBus: x = 3; break; 236 1.2.4.2 tls case scsiFireWireBridgeBus: x = 4; break; 237 1.2.4.2 tls case scsiPCMCIABus: x = 5; break; 238 1.2.4.2 tls default: x = 7 + pb.scsiHBAslotType; break; 239 1.2.4.2 tls }; 240 1.2.4.2 tls 241 1.2.4.2 tls switch (pb.scsiFeatureFlags & scsiBusInternalExternalMask) { 242 1.2.4.2 tls case scsiBusInternal: y = 0; break; 243 1.2.4.2 tls case scsiBusInternalExternal: y = 1; break; 244 1.2.4.2 tls case scsiBusExternal: y = 2; break; 245 1.2.4.2 tls default: 246 1.2.4.2 tls case scsiBusInternalExternalUnknown: y = 3; break; 247 1.2.4.2 tls }; 248 1.2.4.2 tls result = x * 4 + y; 249 1.2.4.2 tls } 250 1.2.4.2 tls entry->sort_value = result; 251 1.2.4.2 tls entry->max_id = pb.scsiMaxLUN; 252 1.2.4.2 tls entry->master_id = pb.scsiInitiatorID; 253 1.2.4.2 tls } 254 1.2.4.2 tls 255 1.2.4.2 tls 256 1.2.4.2 tls int 257 1.2.4.2 tls bus_entry_compare(const void* a, const void* b) 258 1.2.4.2 tls { 259 1.2.4.2 tls long result; 260 1.2.4.2 tls 261 1.2.4.2 tls const struct bus_entry *x = (const struct bus_entry *) a; 262 1.2.4.2 tls const struct bus_entry *y = (const struct bus_entry *) b; 263 1.2.4.2 tls 264 1.2.4.2 tls result = x->sort_value - y->sort_value; 265 1.2.4.2 tls if (result == 0) { 266 1.2.4.2 tls result = x->bus - y->bus; 267 1.2.4.2 tls } 268 1.2.4.2 tls return result; 269 1.2.4.2 tls } 270 1.2.4.2 tls 271 1.2.4.2 tls 272 1.2.4.2 tls SCSI_MEDIA 273 1.2.4.2 tls new_scsi_media(void) 274 1.2.4.2 tls { 275 1.2.4.2 tls return (SCSI_MEDIA) new_media(sizeof(struct SCSI_media)); 276 1.2.4.2 tls } 277 1.2.4.2 tls 278 1.2.4.2 tls 279 1.2.4.2 tls MEDIA 280 1.2.4.2 tls open_old_scsi_as_media(long device) 281 1.2.4.2 tls { 282 1.2.4.2 tls return open_scsi_as_media(kOriginalSCSIBusAdaptor, device); 283 1.2.4.2 tls } 284 1.2.4.2 tls 285 1.2.4.2 tls 286 1.2.4.2 tls MEDIA 287 1.2.4.2 tls open_scsi_as_media(long bus, long device) 288 1.2.4.2 tls { 289 1.2.4.2 tls SCSI_MEDIA a; 290 1.2.4.2 tls UInt32 blockCount; 291 1.2.4.2 tls UInt32 blockSize; 292 1.2.4.2 tls 293 1.2.4.2 tls if (scsi_inited == 0) { 294 1.2.4.2 tls scsi_init(); 295 1.2.4.2 tls } 296 1.2.4.2 tls 297 1.2.4.2 tls if (scsi_mgr.exists == 0) { 298 1.2.4.2 tls return 0; 299 1.2.4.2 tls } 300 1.2.4.2 tls 301 1.2.4.2 tls a = 0; 302 1.2.4.2 tls if (DoTestUnitReady(device, bus) > 0) { 303 1.2.4.2 tls if (DoReadCapacity(device, bus, &blockCount, &blockSize) != 0) { 304 1.2.4.2 tls a = new_scsi_media(); 305 1.2.4.2 tls if (a != 0) { 306 1.2.4.2 tls a->m.kind = scsi_mgr.kind; 307 1.2.4.2 tls a->m.grain = blockSize; 308 1.2.4.2 tls a->m.size_in_bytes = ((long long)blockCount) * blockSize; 309 1.2.4.2 tls a->m.do_read = read_scsi_media; 310 1.2.4.2 tls a->m.do_write = write_scsi_media; 311 1.2.4.2 tls a->m.do_close = close_scsi_media; 312 1.2.4.2 tls a->m.do_os_reload = os_reload_scsi_media; 313 1.2.4.2 tls a->bus = bus; 314 1.2.4.2 tls a->id = device; 315 1.2.4.2 tls } 316 1.2.4.2 tls } 317 1.2.4.2 tls } 318 1.2.4.2 tls return (MEDIA) a; 319 1.2.4.2 tls } 320 1.2.4.2 tls 321 1.2.4.2 tls 322 1.2.4.2 tls long 323 1.2.4.2 tls read_scsi_media(MEDIA m, long long offset, uint32_t count, void *address) 324 1.2.4.2 tls { 325 1.2.4.2 tls SCSI_MEDIA a; 326 1.2.4.2 tls long rtn_value; 327 1.2.4.2 tls long block; 328 1.2.4.2 tls long block_count; 329 1.2.4.2 tls long block_size; 330 1.2.4.2 tls uint8_t *buffer; 331 1.2.4.2 tls int i; 332 1.2.4.2 tls 333 1.2.4.2 tls block = (long) offset; 334 1.2.4.2 tls //printf("scsi %d count %d\n", block, count); 335 1.2.4.2 tls a = (SCSI_MEDIA) m; 336 1.2.4.2 tls rtn_value = 0; 337 1.2.4.2 tls if (a == 0) { 338 1.2.4.2 tls /* no media */ 339 1.2.4.2 tls } else if (a->m.kind != scsi_mgr.kind) { 340 1.2.4.2 tls /* wrong kind - XXX need to error here - this is an internal problem */ 341 1.2.4.2 tls } else if (count <= 0 || count % a->m.grain != 0) { 342 1.2.4.2 tls /* can't handle size */ 343 1.2.4.2 tls } else if (offset < 0 || offset % a->m.grain != 0) { 344 1.2.4.2 tls /* can't handle offset */ 345 1.2.4.2 tls } else if (offset + count > a->m.size_in_bytes) { 346 1.2.4.2 tls /* check for offset (and offset+count) too large */ 347 1.2.4.2 tls } else { 348 1.2.4.2 tls /* XXX do a read on the physical device */ 349 1.2.4.2 tls block_size = a->m.grain; 350 1.2.4.2 tls block = offset / block_size; 351 1.2.4.2 tls block_count = count / block_size; 352 1.2.4.2 tls buffer = address; 353 1.2.4.2 tls rtn_value = 1; 354 1.2.4.2 tls for (i = 0; i < block_count; i++) { 355 1.2.4.2 tls if (SCSI_ReadBlock(a->id, a->bus, block_size, block, buffer) == 0) { 356 1.2.4.2 tls rtn_value = 0; 357 1.2.4.2 tls break; 358 1.2.4.2 tls } 359 1.2.4.2 tls buffer += block_size; 360 1.2.4.2 tls block += 1; 361 1.2.4.2 tls } 362 1.2.4.2 tls } 363 1.2.4.2 tls return rtn_value; 364 1.2.4.2 tls } 365 1.2.4.2 tls 366 1.2.4.2 tls 367 1.2.4.2 tls long 368 1.2.4.2 tls write_scsi_media(MEDIA m, long long offset, uint32_t count, void *address) 369 1.2.4.2 tls { 370 1.2.4.2 tls SCSI_MEDIA a; 371 1.2.4.2 tls long rtn_value; 372 1.2.4.2 tls long block; 373 1.2.4.2 tls long block_count; 374 1.2.4.2 tls long block_size; 375 1.2.4.2 tls uint8_t *buffer; 376 1.2.4.2 tls int i; 377 1.2.4.2 tls 378 1.2.4.2 tls a = (SCSI_MEDIA) m; 379 1.2.4.2 tls rtn_value = 0; 380 1.2.4.2 tls if (a == 0) { 381 1.2.4.2 tls /* no media */ 382 1.2.4.2 tls } else if (a->m.kind != scsi_mgr.kind) { 383 1.2.4.2 tls /* XXX need to error here - this is an internal problem */ 384 1.2.4.2 tls } else if (count <= 0 || count % a->m.grain != 0) { 385 1.2.4.2 tls /* can't handle size */ 386 1.2.4.2 tls } else if (offset < 0 || offset % a->m.grain != 0) { 387 1.2.4.2 tls /* can't handle offset */ 388 1.2.4.2 tls } else if (offset + count > a->m.size_in_bytes) { 389 1.2.4.2 tls /* check for offset (and offset+count) too large */ 390 1.2.4.2 tls } else { 391 1.2.4.2 tls /* XXX do a write on the physical device */ 392 1.2.4.2 tls block_size = a->m.grain; 393 1.2.4.2 tls block = offset / block_size; 394 1.2.4.2 tls block_count = count / block_size; 395 1.2.4.2 tls buffer = address; 396 1.2.4.2 tls rtn_value = 1; 397 1.2.4.2 tls for (i = 0; i < block_count; i++) { 398 1.2.4.2 tls if (SCSI_WriteBlock(a->id, a->bus, block_size, block, buffer) == 0) { 399 1.2.4.2 tls rtn_value = 0; 400 1.2.4.2 tls break; 401 1.2.4.2 tls } 402 1.2.4.2 tls buffer += block_size; 403 1.2.4.2 tls block += 1; 404 1.2.4.2 tls } 405 1.2.4.2 tls } 406 1.2.4.2 tls return rtn_value; 407 1.2.4.2 tls } 408 1.2.4.2 tls 409 1.2.4.2 tls 410 1.2.4.2 tls long 411 1.2.4.2 tls close_scsi_media(MEDIA m) 412 1.2.4.2 tls { 413 1.2.4.2 tls SCSI_MEDIA a; 414 1.2.4.2 tls 415 1.2.4.2 tls a = (SCSI_MEDIA) m; 416 1.2.4.2 tls if (a == 0) { 417 1.2.4.2 tls return 0; 418 1.2.4.2 tls } else if (a->m.kind != scsi_mgr.kind) { 419 1.2.4.2 tls /* XXX need to error here - this is an internal problem */ 420 1.2.4.2 tls return 0; 421 1.2.4.2 tls } 422 1.2.4.2 tls /* XXX nothing to do - I think? */ 423 1.2.4.2 tls return 1; 424 1.2.4.2 tls } 425 1.2.4.2 tls 426 1.2.4.2 tls 427 1.2.4.2 tls long 428 1.2.4.2 tls os_reload_scsi_media(MEDIA m) 429 1.2.4.2 tls { 430 1.2.4.2 tls printf("Reboot your system so the partition table will be reread.\n"); 431 1.2.4.2 tls return 1; 432 1.2.4.2 tls } 433 1.2.4.2 tls 434 1.2.4.2 tls 435 1.2.4.2 tls #pragma mark - 436 1.2.4.2 tls 437 1.2.4.2 tls 438 1.2.4.2 tls int 439 1.2.4.2 tls DoTestUnitReady(UInt8 targetID, int bus) 440 1.2.4.2 tls { 441 1.2.4.2 tls OSErr status; 442 1.2.4.2 tls Str255 errorText; 443 1.2.4.2 tls char* msg; 444 1.2.4.2 tls static const SCSI_6_Byte_Command gTestUnitReadyCommand = { 445 1.2.4.2 tls kScsiCmdTestUnitReady, 0, 0, 0, 0, 0 446 1.2.4.2 tls }; 447 1.2.4.2 tls SCSI_Sense_Data senseData; 448 1.2.4.2 tls DeviceIdent scsiDevice; 449 1.2.4.2 tls int rtn_value; 450 1.2.4.2 tls 451 1.2.4.2 tls scsiDevice.diReserved = 0; 452 1.2.4.2 tls scsiDevice.bus = bus; 453 1.2.4.2 tls scsiDevice.targetID = targetID; 454 1.2.4.2 tls scsiDevice.LUN = 0; 455 1.2.4.2 tls 456 1.2.4.2 tls status = DoSCSICommand( 457 1.2.4.2 tls scsiDevice, 458 1.2.4.2 tls "\pTest Unit Ready", 459 1.2.4.2 tls (SCSI_CommandPtr) &gTestUnitReadyCommand, 460 1.2.4.2 tls NULL, 461 1.2.4.2 tls 0, 462 1.2.4.2 tls scsiDirectionNone, 463 1.2.4.2 tls NULL, 464 1.2.4.2 tls &senseData, 465 1.2.4.2 tls errorText 466 1.2.4.2 tls ); 467 1.2.4.2 tls if (status == scsiNonZeroStatus) { 468 1.2.4.2 tls rtn_value = -1; 469 1.2.4.2 tls } else if (status != noErr) { 470 1.2.4.2 tls rtn_value = 0; 471 1.2.4.2 tls } else { 472 1.2.4.2 tls rtn_value = 1; 473 1.2.4.2 tls } 474 1.2.4.2 tls return rtn_value; 475 1.2.4.2 tls } 476 1.2.4.2 tls 477 1.2.4.2 tls 478 1.2.4.2 tls int 479 1.2.4.2 tls SCSI_ReadBlock(UInt32 id, UInt32 bus, UInt32 block_size, UInt32 block, UInt8 *address) 480 1.2.4.2 tls { 481 1.2.4.2 tls OSErr status; 482 1.2.4.2 tls Str255 errorText; 483 1.2.4.2 tls char* msg; 484 1.2.4.2 tls static SCSI_10_Byte_Command gReadCommand = { 485 1.2.4.2 tls kScsiCmdRead10, 0, 0, 0, 0, 0, 0, 0, 0, 0 486 1.2.4.2 tls }; 487 1.2.4.2 tls SCSI_Sense_Data senseData; 488 1.2.4.2 tls DeviceIdent scsiDevice; 489 1.2.4.2 tls int rtn_value; 490 1.2.4.2 tls long count; 491 1.2.4.2 tls 492 1.2.4.2 tls //printf("scsi read %d:%d block %d size %d\n", bus, id, block, block_size); 493 1.2.4.2 tls scsiDevice.diReserved = 0; 494 1.2.4.2 tls scsiDevice.bus = bus; 495 1.2.4.2 tls scsiDevice.targetID = id; 496 1.2.4.2 tls scsiDevice.LUN = 0; 497 1.2.4.2 tls 498 1.2.4.2 tls gReadCommand.lbn4 = (block >> 24) & 0xFF; 499 1.2.4.2 tls gReadCommand.lbn3 = (block >> 16) & 0xFF; 500 1.2.4.2 tls gReadCommand.lbn2 = (block >> 8) & 0xFF; 501 1.2.4.2 tls gReadCommand.lbn1 = block & 0xFF; 502 1.2.4.2 tls 503 1.2.4.2 tls count = 1; 504 1.2.4.2 tls gReadCommand.len2 = (count >> 8) & 0xFF; 505 1.2.4.2 tls gReadCommand.len1 = count & 0xFF; 506 1.2.4.2 tls 507 1.2.4.2 tls status = DoSCSICommand( 508 1.2.4.2 tls scsiDevice, 509 1.2.4.2 tls "\pRead", 510 1.2.4.2 tls (SCSI_CommandPtr) &gReadCommand, 511 1.2.4.2 tls (Ptr) address, 512 1.2.4.2 tls count * block_size, 513 1.2.4.2 tls scsiDirectionIn, 514 1.2.4.2 tls NULL, 515 1.2.4.2 tls &senseData, 516 1.2.4.2 tls errorText 517 1.2.4.2 tls ); 518 1.2.4.2 tls if (status == noErr) { 519 1.2.4.2 tls rtn_value = 1; 520 1.2.4.2 tls } else { 521 1.2.4.2 tls rtn_value = 0; 522 1.2.4.2 tls } 523 1.2.4.2 tls return rtn_value; 524 1.2.4.2 tls } 525 1.2.4.2 tls 526 1.2.4.2 tls 527 1.2.4.2 tls int 528 1.2.4.2 tls SCSI_WriteBlock(UInt32 id, UInt32 bus, UInt32 block_size, UInt32 block, UInt8 *address) 529 1.2.4.2 tls { 530 1.2.4.2 tls OSErr status; 531 1.2.4.2 tls Str255 errorText; 532 1.2.4.2 tls char* msg; 533 1.2.4.2 tls static SCSI_10_Byte_Command gWriteCommand = { 534 1.2.4.2 tls kScsiCmdWrite10, 0, 0, 0, 0, 0, 0, 0, 0, 0 535 1.2.4.2 tls }; 536 1.2.4.2 tls SCSI_Sense_Data senseData; 537 1.2.4.2 tls DeviceIdent scsiDevice; 538 1.2.4.2 tls int rtn_value; 539 1.2.4.2 tls long count; 540 1.2.4.2 tls 541 1.2.4.2 tls scsiDevice.diReserved = 0; 542 1.2.4.2 tls scsiDevice.bus = bus; 543 1.2.4.2 tls scsiDevice.targetID = id; 544 1.2.4.2 tls scsiDevice.LUN = 0; 545 1.2.4.2 tls 546 1.2.4.2 tls gWriteCommand.lbn4 = (block >> 24) & 0xFF; 547 1.2.4.2 tls gWriteCommand.lbn3 = (block >> 16) & 0xFF; 548 1.2.4.2 tls gWriteCommand.lbn2 = (block >> 8) & 0xFF; 549 1.2.4.2 tls gWriteCommand.lbn1 = block & 0xFF; 550 1.2.4.2 tls 551 1.2.4.2 tls count = 1; 552 1.2.4.2 tls gWriteCommand.len2 = (count >> 8) & 0xFF; 553 1.2.4.2 tls gWriteCommand.len1 = count & 0xFF; 554 1.2.4.2 tls 555 1.2.4.2 tls status = DoSCSICommand( 556 1.2.4.2 tls scsiDevice, 557 1.2.4.2 tls "\pWrite", 558 1.2.4.2 tls (SCSI_CommandPtr) &gWriteCommand, 559 1.2.4.2 tls (Ptr) address, 560 1.2.4.2 tls count * block_size, 561 1.2.4.2 tls scsiDirectionOut, 562 1.2.4.2 tls NULL, 563 1.2.4.2 tls &senseData, 564 1.2.4.2 tls errorText 565 1.2.4.2 tls ); 566 1.2.4.2 tls if (status == noErr) { 567 1.2.4.2 tls rtn_value = 1; 568 1.2.4.2 tls } else { 569 1.2.4.2 tls rtn_value = 0; 570 1.2.4.2 tls } 571 1.2.4.2 tls return rtn_value; 572 1.2.4.2 tls } 573 1.2.4.2 tls 574 1.2.4.2 tls 575 1.2.4.2 tls int 576 1.2.4.2 tls DoReadCapacity(UInt32 id, UInt32 bus, UInt32 *blockCount, UInt32 *blockSize) 577 1.2.4.2 tls { 578 1.2.4.2 tls OSErr status; 579 1.2.4.2 tls Str255 errorText; 580 1.2.4.2 tls static const SCSI_10_Byte_Command gCapacityCommand = { 581 1.2.4.2 tls kScsiCmdReadCapacity, 0, 0, 0, 0, 0, 0, 0, 0, 0 582 1.2.4.2 tls }; 583 1.2.4.2 tls SCSI_Sense_Data senseData; 584 1.2.4.2 tls DeviceIdent scsiDevice; 585 1.2.4.2 tls SCSI_Capacity_Data capacityData; 586 1.2.4.2 tls UInt32 temp; 587 1.2.4.2 tls int rtn_value; 588 1.2.4.2 tls 589 1.2.4.2 tls scsiDevice.diReserved = 0; 590 1.2.4.2 tls scsiDevice.bus = bus; 591 1.2.4.2 tls scsiDevice.targetID = id; 592 1.2.4.2 tls scsiDevice.LUN = 0; 593 1.2.4.2 tls 594 1.2.4.2 tls CLEAR(capacityData); 595 1.2.4.2 tls 596 1.2.4.2 tls status = DoSCSICommand( 597 1.2.4.2 tls scsiDevice, 598 1.2.4.2 tls "\pRead Capacity", 599 1.2.4.2 tls (SCSI_CommandPtr) &gCapacityCommand, 600 1.2.4.2 tls (Ptr) &capacityData, 601 1.2.4.2 tls sizeof (SCSI_Capacity_Data), 602 1.2.4.2 tls scsiDirectionIn, 603 1.2.4.2 tls NULL, 604 1.2.4.2 tls &senseData, 605 1.2.4.2 tls errorText 606 1.2.4.2 tls ); 607 1.2.4.2 tls 608 1.2.4.2 tls if (status == noErr) { 609 1.2.4.2 tls temp = capacityData.lbn4; 610 1.2.4.2 tls temp = (temp << 8) | capacityData.lbn3; 611 1.2.4.2 tls temp = (temp << 8) | capacityData.lbn2; 612 1.2.4.2 tls temp = (temp << 8) | capacityData.lbn1; 613 1.2.4.2 tls *blockCount = temp; 614 1.2.4.2 tls 615 1.2.4.2 tls temp = capacityData.len4; 616 1.2.4.2 tls temp = (temp << 8) | capacityData.len3; 617 1.2.4.2 tls temp = (temp << 8) | capacityData.len2; 618 1.2.4.2 tls temp = (temp << 8) | capacityData.len1; 619 1.2.4.2 tls *blockSize = temp; 620 1.2.4.2 tls 621 1.2.4.2 tls rtn_value = 1; 622 1.2.4.2 tls } else { 623 1.2.4.2 tls rtn_value = 0; 624 1.2.4.2 tls } 625 1.2.4.2 tls return rtn_value; 626 1.2.4.2 tls } 627 1.2.4.2 tls 628 1.2.4.2 tls 629 1.2.4.2 tls int 630 1.2.4.2 tls DoInquiry(UInt32 id, UInt32 bus, UInt32 *devType) 631 1.2.4.2 tls { 632 1.2.4.2 tls OSErr status; 633 1.2.4.2 tls Str255 errorText; 634 1.2.4.2 tls static const SCSI_6_Byte_Command gInquiryCommand = { 635 1.2.4.2 tls kScsiCmdInquiry, 0, 0, 0, kRequiredSCSIinquiryLength, 0 636 1.2.4.2 tls }; 637 1.2.4.2 tls SCSI_Sense_Data senseData; 638 1.2.4.2 tls DeviceIdent scsiDevice; 639 1.2.4.2 tls SCSI_Inquiry_Data inquiryData; 640 1.2.4.2 tls UInt32 temp; 641 1.2.4.2 tls int rtn_value; 642 1.2.4.2 tls 643 1.2.4.2 tls scsiDevice.diReserved = 0; 644 1.2.4.2 tls scsiDevice.bus = bus; 645 1.2.4.2 tls scsiDevice.targetID = id; 646 1.2.4.2 tls scsiDevice.LUN = 0; 647 1.2.4.2 tls 648 1.2.4.2 tls CLEAR(inquiryData); 649 1.2.4.2 tls 650 1.2.4.2 tls status = DoSCSICommand( 651 1.2.4.2 tls scsiDevice, 652 1.2.4.2 tls "\pInquiry", 653 1.2.4.2 tls (SCSI_CommandPtr) &gInquiryCommand, 654 1.2.4.2 tls (Ptr) &inquiryData, 655 1.2.4.2 tls kRequiredSCSIinquiryLength, 656 1.2.4.2 tls scsiDirectionIn, 657 1.2.4.2 tls NULL, 658 1.2.4.2 tls &senseData, 659 1.2.4.2 tls errorText 660 1.2.4.2 tls ); 661 1.2.4.2 tls 662 1.2.4.2 tls if (status == noErr) { 663 1.2.4.2 tls *devType = inquiryData.devType & kScsiDevTypeMask; 664 1.2.4.2 tls rtn_value = 1; 665 1.2.4.2 tls } else { 666 1.2.4.2 tls rtn_value = 0; 667 1.2.4.2 tls } 668 1.2.4.2 tls return rtn_value; 669 1.2.4.2 tls } 670 1.2.4.2 tls 671 1.2.4.2 tls 672 1.2.4.2 tls MEDIA 673 1.2.4.2 tls SCSI_FindDevice(long dRefNum) 674 1.2.4.2 tls { 675 1.2.4.2 tls SCSIDriverPB pb; 676 1.2.4.2 tls OSErr status; 677 1.2.4.2 tls short targetID; 678 1.2.4.2 tls 679 1.2.4.2 tls status = nsvErr; 680 1.2.4.2 tls if (AsyncSCSIPresent()) { 681 1.2.4.2 tls clear_memory((Ptr) &pb, sizeof pb); 682 1.2.4.2 tls 683 1.2.4.2 tls pb.scsiPBLength = sizeof (SCSIDriverPB); 684 1.2.4.2 tls pb.scsiCompletion = NULL; 685 1.2.4.2 tls pb.scsiFlags = 0; 686 1.2.4.2 tls pb.scsiFunctionCode = SCSILookupRefNumXref; 687 1.2.4.2 tls pb.scsiDevice.bus = kNoDevice; /* was *((long *) &pb.scsiDevice) = 0xFFFFFFFFL; */ 688 1.2.4.2 tls 689 1.2.4.2 tls do { 690 1.2.4.2 tls status = SCSIAction((SCSI_PB *) &pb); 691 1.2.4.2 tls 692 1.2.4.2 tls if (status != noErr) { 693 1.2.4.2 tls break; 694 1.2.4.2 tls } else if (pb.scsiDriver == dRefNum 695 1.2.4.2 tls && pb.scsiDevice.bus != kNoDevice) { 696 1.2.4.2 tls return open_scsi_as_media(pb.scsiDevice.bus, pb.scsiDevice.targetID); 697 1.2.4.2 tls 698 1.2.4.2 tls } else { 699 1.2.4.2 tls pb.scsiDevice = pb.scsiNextDevice; 700 1.2.4.2 tls } 701 1.2.4.2 tls } 702 1.2.4.2 tls while (pb.scsiDevice.bus != kNoDevice); 703 1.2.4.2 tls } 704 1.2.4.2 tls if (status == nsvErr) { 705 1.2.4.2 tls /* 706 1.2.4.2 tls * The asynchronous SCSI Manager is missing or the 707 1.2.4.2 tls * driver didn't register with the SCSI Manager.*/ 708 1.2.4.2 tls targetID = DriverRefNumToSCSI(dRefNum); 709 1.2.4.2 tls if (targetID >= 0 && targetID <= 6) { 710 1.2.4.2 tls return open_old_scsi_as_media(targetID); 711 1.2.4.2 tls } 712 1.2.4.2 tls } 713 1.2.4.2 tls return 0; 714 1.2.4.2 tls } 715 1.2.4.2 tls 716 1.2.4.2 tls 717 1.2.4.2 tls #pragma mark - 718 1.2.4.2 tls 719 1.2.4.2 tls 720 1.2.4.2 tls SCSI_MEDIA_ITERATOR 721 1.2.4.2 tls new_scsi_iterator(void) 722 1.2.4.2 tls { 723 1.2.4.2 tls return (SCSI_MEDIA_ITERATOR) new_media_iterator(sizeof(struct SCSI_media_iterator)); 724 1.2.4.2 tls } 725 1.2.4.2 tls 726 1.2.4.2 tls 727 1.2.4.2 tls MEDIA_ITERATOR 728 1.2.4.2 tls create_scsi_iterator(void) 729 1.2.4.2 tls { 730 1.2.4.2 tls SCSI_MEDIA_ITERATOR a; 731 1.2.4.2 tls 732 1.2.4.2 tls if (scsi_inited == 0) { 733 1.2.4.2 tls scsi_init(); 734 1.2.4.2 tls } 735 1.2.4.2 tls 736 1.2.4.2 tls if (scsi_mgr.exists == 0) { 737 1.2.4.2 tls return 0; 738 1.2.4.2 tls } 739 1.2.4.2 tls 740 1.2.4.2 tls a = new_scsi_iterator(); 741 1.2.4.2 tls if (a != 0) { 742 1.2.4.2 tls a->m.kind = scsi_mgr.kind; 743 1.2.4.2 tls a->m.state = kInit; 744 1.2.4.2 tls a->m.do_reset = reset_scsi_iterator; 745 1.2.4.2 tls a->m.do_step = step_scsi_iterator; 746 1.2.4.2 tls a->m.do_delete = delete_scsi_iterator; 747 1.2.4.2 tls a->bus_index = 0; 748 1.2.4.2 tls a->bus = 0; 749 1.2.4.2 tls a->id = 0; 750 1.2.4.2 tls } 751 1.2.4.2 tls 752 1.2.4.2 tls return (MEDIA_ITERATOR) a; 753 1.2.4.2 tls } 754 1.2.4.2 tls 755 1.2.4.2 tls 756 1.2.4.2 tls void 757 1.2.4.2 tls reset_scsi_iterator(MEDIA_ITERATOR m) 758 1.2.4.2 tls { 759 1.2.4.2 tls SCSI_MEDIA_ITERATOR a; 760 1.2.4.2 tls 761 1.2.4.2 tls a = (SCSI_MEDIA_ITERATOR) m; 762 1.2.4.2 tls if (a == 0) { 763 1.2.4.2 tls /* no media */ 764 1.2.4.2 tls } else if (a->m.kind != scsi_mgr.kind) { 765 1.2.4.2 tls /* wrong kind - XXX need to error here - this is an internal problem */ 766 1.2.4.2 tls } else if (a->m.state != kInit) { 767 1.2.4.2 tls a->m.state = kReset; 768 1.2.4.2 tls } 769 1.2.4.2 tls } 770 1.2.4.2 tls 771 1.2.4.2 tls 772 1.2.4.2 tls char * 773 1.2.4.2 tls step_scsi_iterator(MEDIA_ITERATOR m) 774 1.2.4.2 tls { 775 1.2.4.2 tls SCSI_MEDIA_ITERATOR a; 776 1.2.4.2 tls char *result; 777 1.2.4.2 tls 778 1.2.4.2 tls a = (SCSI_MEDIA_ITERATOR) m; 779 1.2.4.2 tls if (a == 0) { 780 1.2.4.2 tls /* no media */ 781 1.2.4.2 tls } else if (a->m.kind != scsi_mgr.kind) { 782 1.2.4.2 tls /* wrong kind - XXX need to error here - this is an internal problem */ 783 1.2.4.2 tls } else { 784 1.2.4.2 tls switch (a->m.state) { 785 1.2.4.2 tls case kInit: 786 1.2.4.2 tls /* find # of buses - done in AllocatePB() out of scsi_init() */ 787 1.2.4.2 tls a->m.state = kReset; 788 1.2.4.2 tls /* fall through to reset */ 789 1.2.4.2 tls case kReset: 790 1.2.4.2 tls a->bus_index = 0 /* first bus id */; 791 1.2.4.2 tls a->bus = scsi_mgr.bus_list[a->bus_index].bus; 792 1.2.4.2 tls a->id = 0 /* first device id */; 793 1.2.4.2 tls a->m.state = kIterating; 794 1.2.4.2 tls clear_linux_cache(); 795 1.2.4.2 tls /* fall through to iterate */ 796 1.2.4.2 tls case kIterating: 797 1.2.4.2 tls while (1) { 798 1.2.4.2 tls if (a->bus_index >= scsi_mgr.bus_count /* max bus id */) { 799 1.2.4.2 tls break; 800 1.2.4.2 tls } 801 1.2.4.2 tls if (a->id == scsi_mgr.bus_list[a->bus_index].master_id) { 802 1.2.4.2 tls /* next id */ 803 1.2.4.2 tls a->id += 1; 804 1.2.4.2 tls } 805 1.2.4.2 tls if (a->id > scsi_mgr.bus_list[a->bus_index].max_id) { 806 1.2.4.2 tls a->bus_index += 1; 807 1.2.4.2 tls a->bus = scsi_mgr.bus_list[a->bus_index].bus; 808 1.2.4.2 tls a->id = 0 /* first device id */; 809 1.2.4.2 tls continue; /* try again */ 810 1.2.4.2 tls } 811 1.2.4.2 tls /* generate result */ 812 1.2.4.2 tls result = (char *) malloc(20); 813 1.2.4.2 tls if (result != NULL) { 814 1.2.4.2 tls if (a->bus == 0xFF) { 815 1.2.4.2 tls snprintf(result, 20, "/dev/scsi%c", '0'+a->id); 816 1.2.4.2 tls probe_scsi_device(a->bus, a->id, 1); 817 1.2.4.2 tls } else { 818 1.2.4.2 tls // insure bus number in range 819 1.2.4.2 tls if (a->bus > 9) { 820 1.2.4.2 tls free(result); 821 1.2.4.2 tls result = NULL; 822 1.2.4.2 tls break; 823 1.2.4.2 tls } 824 1.2.4.2 tls snprintf(result, 20, "/dev/scsi%c.%c", 825 1.2.4.2 tls '0'+a->bus, '0'+a->id); 826 1.2.4.2 tls /* only probe out of iterate; so always added in order. */ 827 1.2.4.2 tls probe_scsi_device(a->bus, a->id, 0); 828 1.2.4.2 tls } 829 1.2.4.2 tls } 830 1.2.4.2 tls 831 1.2.4.2 tls a->id += 1; /* next id */ 832 1.2.4.2 tls return result; 833 1.2.4.2 tls } 834 1.2.4.2 tls a->m.state = kEnd; 835 1.2.4.2 tls /* fall through to end */ 836 1.2.4.2 tls case kEnd: 837 1.2.4.2 tls mark_linux_cache_loaded(); 838 1.2.4.2 tls default: 839 1.2.4.2 tls break; 840 1.2.4.2 tls } 841 1.2.4.2 tls } 842 1.2.4.2 tls return 0 /* no entry */; 843 1.2.4.2 tls } 844 1.2.4.2 tls 845 1.2.4.2 tls 846 1.2.4.2 tls void 847 1.2.4.2 tls delete_scsi_iterator(MEDIA_ITERATOR m) 848 1.2.4.2 tls { 849 1.2.4.2 tls return; 850 1.2.4.2 tls } 851 1.2.4.2 tls 852 1.2.4.2 tls 853 1.2.4.2 tls #pragma mark - 854 1.2.4.2 tls 855 1.2.4.2 tls 856 1.2.4.2 tls MEDIA 857 1.2.4.2 tls open_linux_scsi_as_media(long index, int is_cdrom) 858 1.2.4.2 tls { 859 1.2.4.2 tls MEDIA m; 860 1.2.4.2 tls long bus; 861 1.2.4.2 tls long id; 862 1.2.4.2 tls 863 1.2.4.2 tls if (lookup_scsi_index(index, is_cdrom, &bus, &id) > 0) { 864 1.2.4.2 tls m = open_scsi_as_media(bus, id); 865 1.2.4.2 tls } else { 866 1.2.4.2 tls m = 0; 867 1.2.4.2 tls } 868 1.2.4.2 tls 869 1.2.4.2 tls return m; 870 1.2.4.2 tls } 871 1.2.4.2 tls 872 1.2.4.2 tls 873 1.2.4.2 tls char * 874 1.2.4.2 tls linux_old_scsi_name(long id) 875 1.2.4.2 tls { 876 1.2.4.2 tls linux_scsi_name(kOriginalSCSIBusAdaptor, id); 877 1.2.4.2 tls } 878 1.2.4.2 tls 879 1.2.4.2 tls 880 1.2.4.2 tls char * 881 1.2.4.2 tls linux_scsi_name(long bus, long id) 882 1.2.4.2 tls { 883 1.2.4.2 tls char *result = 0; 884 1.2.4.2 tls long value; 885 1.2.4.2 tls int is_cdrom; 886 1.2.4.2 tls int unsure; 887 1.2.4.2 tls char *suffix; 888 1.2.4.2 tls 889 1.2.4.2 tls /* name is sda, sdb, sdc, ... 890 1.2.4.2 tls * in order by buses and ids, but only count responding devices ... 891 1.2.4.2 tls */ 892 1.2.4.2 tls if ((value = lookup_scsi_device(bus, id, &is_cdrom, &unsure)) >= 0) { 893 1.2.4.2 tls result = (char *) malloc(20); 894 1.2.4.2 tls if (result != NULL) { 895 1.2.4.2 tls if (unsure) { 896 1.2.4.2 tls suffix = " ?"; 897 1.2.4.2 tls } else { 898 1.2.4.2 tls suffix = ""; 899 1.2.4.2 tls } 900 1.2.4.2 tls if (is_cdrom) { 901 1.2.4.2 tls if (value > 9) { 902 1.2.4.2 tls // too many CD's, give up 903 1.2.4.2 tls free(result); result = NULL; 904 1.2.4.2 tls } else { 905 1.2.4.2 tls snprintf(result, 20, "/dev/scd%c%s", '0' + value, suffix); 906 1.2.4.2 tls } 907 1.2.4.2 tls } else { 908 1.2.4.2 tls if (value < 26) { 909 1.2.4.2 tls snprintf(result, 20, "/dev/sd%c%s", 'a' + value, suffix); 910 1.2.4.2 tls } else { 911 1.2.4.2 tls snprintf(result, 20, "/dev/sd%c%c%s", 912 1.2.4.2 tls 'a' + value / 26, 'a' + value % 26, suffix); 913 1.2.4.2 tls } 914 1.2.4.2 tls } 915 1.2.4.2 tls } 916 1.2.4.2 tls } 917 1.2.4.2 tls return result; 918 1.2.4.2 tls } 919 1.2.4.2 tls 920 1.2.4.2 tls 921 1.2.4.2 tls void 922 1.2.4.2 tls probe_all(void) 923 1.2.4.2 tls { 924 1.2.4.2 tls MEDIA_ITERATOR iter; 925 1.2.4.2 tls char *name; 926 1.2.4.2 tls 927 1.2.4.2 tls iter = create_scsi_iterator(); 928 1.2.4.2 tls if (iter == 0) { 929 1.2.4.2 tls return; 930 1.2.4.2 tls } 931 1.2.4.2 tls 932 1.2.4.2 tls printf("finding devices "); 933 1.2.4.2 tls fflush(stdout); 934 1.2.4.2 tls while ((name = step_media_iterator(iter)) != 0) { 935 1.2.4.2 tls /* step does the probe for us */ 936 1.2.4.2 tls printf("."); 937 1.2.4.2 tls fflush(stdout); 938 1.2.4.2 tls free(name); 939 1.2.4.2 tls } 940 1.2.4.2 tls delete_media_iterator(iter); 941 1.2.4.2 tls printf("\n"); 942 1.2.4.2 tls fflush(stdout); 943 1.2.4.2 tls } 944 1.2.4.2 tls 945 1.2.4.2 tls 946 1.2.4.2 tls void 947 1.2.4.2 tls probe_scsi_device(long bus, long id, int unsure) 948 1.2.4.2 tls { 949 1.2.4.2 tls UInt32 devType; 950 1.2.4.2 tls 951 1.2.4.2 tls if (DoInquiry(id, bus, &devType)) { 952 1.2.4.2 tls if (devType == kScsiDevTypeDirect 953 1.2.4.2 tls || devType == kScsiDevTypeOptical) { 954 1.2.4.2 tls add_to_cache(bus, id, 0, unsure); 955 1.2.4.2 tls } else if (devType == kScsiDevTypeCDROM 956 1.2.4.2 tls || devType == kScsiDevTypeWorm) { 957 1.2.4.2 tls add_to_cache(bus, id, 1, unsure); 958 1.2.4.2 tls } 959 1.2.4.2 tls } 960 1.2.4.2 tls } 961 1.2.4.2 tls 962 1.2.4.2 tls 963 1.2.4.2 tls long 964 1.2.4.2 tls lookup_scsi_device(long bus, long id, int *is_cdrom, int *unsure) 965 1.2.4.2 tls { 966 1.2.4.2 tls /* walk down list looking for bus and id ? 967 1.2.4.2 tls * 968 1.2.4.2 tls * only probe out of iterate (so always add in order) 969 1.2.4.2 tls * reset list if we reset the iterate 970 1.2.4.2 tls */ 971 1.2.4.2 tls struct cache_item *item; 972 1.2.4.2 tls struct cache_item *next; 973 1.2.4.2 tls long result = -1; 974 1.2.4.2 tls int count = 0; 975 1.2.4.2 tls 976 1.2.4.2 tls if (scsi_inited == 0) { 977 1.2.4.2 tls scsi_init(); 978 1.2.4.2 tls } 979 1.2.4.2 tls 980 1.2.4.2 tls while (1) { 981 1.2.4.2 tls count++; 982 1.2.4.2 tls for (item = linux_order.first; item != NULL; item = item->next) { 983 1.2.4.2 tls if (item->bus == bus && item->id == id) { 984 1.2.4.2 tls result = item->value; 985 1.2.4.2 tls *is_cdrom = item->is_cdrom; 986 1.2.4.2 tls *unsure = item->unsure; 987 1.2.4.2 tls break; 988 1.2.4.2 tls } 989 1.2.4.2 tls } 990 1.2.4.2 tls if (count < 2 && result < 0) { 991 1.2.4.2 tls probe_all(); 992 1.2.4.2 tls } else { 993 1.2.4.2 tls break; 994 1.2.4.2 tls } 995 1.2.4.2 tls }; 996 1.2.4.2 tls 997 1.2.4.2 tls return result; 998 1.2.4.2 tls } 999 1.2.4.2 tls 1000 1.2.4.2 tls 1001 1.2.4.2 tls /* 1002 1.2.4.2 tls * This has the same structure as lookup_scsi_device() except we are 1003 1.2.4.2 tls * matching on the value & type rather than the bus & id. 1004 1.2.4.2 tls */ 1005 1.2.4.2 tls long 1006 1.2.4.2 tls lookup_scsi_index(long index, int is_cdrom, long *bus, long *id) 1007 1.2.4.2 tls { 1008 1.2.4.2 tls struct cache_item *item; 1009 1.2.4.2 tls struct cache_item *next; 1010 1.2.4.2 tls long result = 0; 1011 1.2.4.2 tls int count = 0; 1012 1.2.4.2 tls 1013 1.2.4.2 tls if (scsi_inited == 0) { 1014 1.2.4.2 tls scsi_init(); 1015 1.2.4.2 tls } 1016 1.2.4.2 tls 1017 1.2.4.2 tls while (1) { 1018 1.2.4.2 tls count++; 1019 1.2.4.2 tls for (item = linux_order.first; item != NULL; item = item->next) { 1020 1.2.4.2 tls if (item->value == index && item->is_cdrom == is_cdrom 1021 1.2.4.2 tls && item->unsure == 0) { 1022 1.2.4.2 tls result = 1; 1023 1.2.4.2 tls *bus = item->bus; 1024 1.2.4.2 tls *id = item->id; 1025 1.2.4.2 tls break; 1026 1.2.4.2 tls } 1027 1.2.4.2 tls } 1028 1.2.4.2 tls if (count < 2 && result == 0 && !linux_cache_loaded()) { 1029 1.2.4.2 tls probe_all(); 1030 1.2.4.2 tls } else { 1031 1.2.4.2 tls break; 1032 1.2.4.2 tls } 1033 1.2.4.2 tls }; 1034 1.2.4.2 tls 1035 1.2.4.2 tls return result; 1036 1.2.4.2 tls } 1037 1.2.4.2 tls 1038 1.2.4.2 tls 1039 1.2.4.2 tls void 1040 1.2.4.2 tls add_to_cache(long bus, long id, int is_cdrom, int unsure) 1041 1.2.4.2 tls { 1042 1.2.4.2 tls struct cache_item *item; 1043 1.2.4.2 tls 1044 1.2.4.2 tls item = malloc(sizeof(struct cache_item)); 1045 1.2.4.2 tls if (item == NULL) { 1046 1.2.4.2 tls return; 1047 1.2.4.2 tls } else { 1048 1.2.4.2 tls item->bus = bus; 1049 1.2.4.2 tls item->id = id; 1050 1.2.4.2 tls item->is_cdrom = is_cdrom; 1051 1.2.4.2 tls item->unsure = unsure; 1052 1.2.4.2 tls if (is_cdrom) { 1053 1.2.4.2 tls item->value = linux_order.next_cdrom; 1054 1.2.4.2 tls linux_order.next_cdrom++; 1055 1.2.4.2 tls } else { 1056 1.2.4.2 tls item->value = linux_order.next_disk; 1057 1.2.4.2 tls linux_order.next_disk++; 1058 1.2.4.2 tls } 1059 1.2.4.2 tls item->next = 0; 1060 1.2.4.2 tls } 1061 1.2.4.2 tls if (linux_order.first == NULL) { 1062 1.2.4.2 tls linux_order.first = item; 1063 1.2.4.2 tls linux_order.last = item; 1064 1.2.4.2 tls } else { 1065 1.2.4.2 tls linux_order.last->next = item; 1066 1.2.4.2 tls linux_order.last = item; 1067 1.2.4.2 tls } 1068 1.2.4.2 tls } 1069 1.2.4.2 tls 1070 1.2.4.2 tls 1071 1.2.4.2 tls void 1072 1.2.4.2 tls init_linux_cache(void) 1073 1.2.4.2 tls { 1074 1.2.4.2 tls linux_order.first = NULL; 1075 1.2.4.2 tls clear_linux_cache(); 1076 1.2.4.2 tls } 1077 1.2.4.2 tls 1078 1.2.4.2 tls 1079 1.2.4.2 tls void 1080 1.2.4.2 tls clear_linux_cache(void) 1081 1.2.4.2 tls { 1082 1.2.4.2 tls struct cache_item *item; 1083 1.2.4.2 tls struct cache_item *next; 1084 1.2.4.2 tls 1085 1.2.4.2 tls for (item = linux_order.first; item != NULL; item = next) { 1086 1.2.4.2 tls next = item->next; 1087 1.2.4.2 tls free(item); 1088 1.2.4.2 tls } 1089 1.2.4.2 tls /* back to starting value */ 1090 1.2.4.2 tls linux_order.first = NULL; 1091 1.2.4.2 tls linux_order.last = NULL; 1092 1.2.4.2 tls linux_order.next_disk = 0; 1093 1.2.4.2 tls linux_order.next_cdrom = 0; 1094 1.2.4.2 tls linux_order.loaded = 0; 1095 1.2.4.2 tls } 1096 1.2.4.2 tls 1097 1.2.4.2 tls 1098 1.2.4.2 tls void 1099 1.2.4.2 tls mark_linux_cache_loaded(void) 1100 1.2.4.2 tls { 1101 1.2.4.2 tls linux_order.loaded = 1; 1102 1.2.4.2 tls } 1103 1.2.4.2 tls 1104 1.2.4.2 tls 1105 1.2.4.2 tls int 1106 1.2.4.2 tls linux_cache_loaded(void) 1107 1.2.4.2 tls { 1108 1.2.4.2 tls return linux_order.loaded; 1109 1.2.4.2 tls } 1110
Indexes created Sat May 16 00:24:39 UTC 2026