| 1 |
/* |
| 2 |
* scsi_freebsd.cpp - SCSI Manager, FreeBSD SCSI Driver implementation |
| 3 |
* Copyright (C) 1999 Orlando Bassotto |
| 4 |
* |
| 5 |
* Basilisk II (C) 1997-1999 Christian Bauer |
| 6 |
* |
| 7 |
* This program is free software; you can redistribute it and/or modify |
| 8 |
* it under the terms of the GNU General Public License as published by |
| 9 |
* the Free Software Foundation; either version 2 of the License, or |
| 10 |
* (at your option) any later version. |
| 11 |
* |
| 12 |
* This program is distributed in the hope that it will be useful, |
| 13 |
* but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 14 |
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 15 |
* GNU General Public License for more details. |
| 16 |
* |
| 17 |
* You should have received a copy of the GNU General Public License |
| 18 |
* along with this program; if not, write to the Free Software |
| 19 |
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
| 20 |
* |
| 21 |
* History: |
| 22 |
* 29-Jun-1999 Started |
| 23 |
* 05-Jul-1999 Changed from array to queue removing the limit of 8 |
| 24 |
* devices. |
| 25 |
* Implemented old SCSI management for FreeBSD 2.x. |
| 26 |
* (Note: This implementation hasn't been tested; |
| 27 |
* I don't own anymore a machine with FreeBSD 2.x, |
| 28 |
* so if something goes wrong, please mail me to |
| 29 |
* future@mediabit.net). |
| 30 |
*/ |
| 31 |
|
| 32 |
#include <sys/ioctl.h> |
| 33 |
#include <sys/types.h> |
| 34 |
#include <stdio.h> |
| 35 |
#include <stdlib.h> |
| 36 |
#include <string.h> |
| 37 |
#include <unistd.h> |
| 38 |
#include <fcntl.h> |
| 39 |
#include <ctype.h> |
| 40 |
#include <errno.h> |
| 41 |
#include <err.h> |
| 42 |
|
| 43 |
#ifdef CAM |
| 44 |
#include <cam/cam.h> |
| 45 |
#include <cam/cam_debug.h> |
| 46 |
#include <cam/cam_ccb.h> |
| 47 |
#include <cam/scsi/scsi_all.h> |
| 48 |
#include <cam/scsi/scsi_da.h> |
| 49 |
#include <cam/scsi/scsi_pass.h> |
| 50 |
#include <cam/scsi/scsi_message.h> |
| 51 |
#include <camlib.h> |
| 52 |
#else /* !CAM */ |
| 53 |
#include <sys/scsiio.h> |
| 54 |
#include <scsi.h> |
| 55 |
#endif /* !CAM */ |
| 56 |
|
| 57 |
#include "sysdeps.h" |
| 58 |
#include "main.h" |
| 59 |
#include "prefs.h" |
| 60 |
#include "user_strings.h" |
| 61 |
#include "scsi.h" |
| 62 |
|
| 63 |
#define DEBUG 0 |
| 64 |
#include "debug.h" |
| 65 |
|
| 66 |
|
| 67 |
#undef u_int8_t |
| 68 |
#define u_int8_t unsigned char |
| 69 |
|
| 70 |
typedef struct _SCSIDevice { |
| 71 |
int controller; // SCSI Controller |
| 72 |
int controller_bus; // SCSI Controller Bus |
| 73 |
char controller_name[33]; // SCSI Controller name |
| 74 |
int mac_unit; // Macintosh SCSI ID (remapped) |
| 75 |
int faked_controller; // "Faked" SCSI Controller (Always 0) |
| 76 |
int faked_unit; // "Faked" SCSI ID |
| 77 |
int unit; // Real SCSI ID |
| 78 |
int lun; // Real SCSI LUN |
| 79 |
u_int8_t vendor[16]; // SCSI Vendor |
| 80 |
u_int8_t product[48]; // SCSI Product |
| 81 |
u_int8_t revision[16]; // SCSI Revision |
| 82 |
char device[33]; // SCSI Device |
| 83 |
#ifdef CAM |
| 84 |
char pass_device[33]; // SCSI Pass Device |
| 85 |
#else /* !CAM */ |
| 86 |
int dev_fd; // Device File Descriptor |
| 87 |
#endif /* !CAM */ |
| 88 |
void* dev_ptr; // Pointer to CAM/SCSI structure |
| 89 |
bool enabled; // Device enabled ? |
| 90 |
struct _SCSIDevice* next; // Pointer to the next device |
| 91 |
} SCSIDevice; |
| 92 |
|
| 93 |
static int nDevices = 0; |
| 94 |
static SCSIDevice* Devices = NULL; |
| 95 |
|
| 96 |
static uint32 buffer_size; |
| 97 |
static uint8* buffer = NULL; |
| 98 |
|
| 99 |
static uint8 the_cmd[12]; |
| 100 |
static int the_cmd_len; |
| 101 |
|
| 102 |
static SCSIDevice* CurrentDevice = NULL; |
| 103 |
|
| 104 |
inline static SCSIDevice* _GetSCSIDeviceByID(int id) |
| 105 |
{ |
| 106 |
SCSIDevice* aux = Devices; |
| 107 |
while(aux) { |
| 108 |
if(aux->faked_unit==id) { |
| 109 |
return aux; |
| 110 |
} |
| 111 |
aux = aux->next; |
| 112 |
} |
| 113 |
return NULL; |
| 114 |
} |
| 115 |
|
| 116 |
inline static SCSIDevice* _GetSCSIDeviceByIDLUN(int id, int lun) |
| 117 |
{ |
| 118 |
SCSIDevice* aux = Devices; |
| 119 |
while(aux) { |
| 120 |
if(aux->faked_unit==id&&aux->lun==lun) { |
| 121 |
return aux; |
| 122 |
} |
| 123 |
aux = aux->next; |
| 124 |
} |
| 125 |
return NULL; |
| 126 |
} |
| 127 |
|
| 128 |
inline static SCSIDevice* _GetSCSIDeviceByMacID(int id) |
| 129 |
{ |
| 130 |
SCSIDevice* aux = Devices; |
| 131 |
while(aux) { |
| 132 |
if(aux->mac_unit==id) { |
| 133 |
return aux; |
| 134 |
} |
| 135 |
aux = aux->next; |
| 136 |
} |
| 137 |
return NULL; |
| 138 |
} |
| 139 |
|
| 140 |
inline static SCSIDevice* _GetSCSIDeviceByMacIDLUN(int id, int lun) |
| 141 |
{ |
| 142 |
SCSIDevice* aux = Devices; |
| 143 |
while(aux) { |
| 144 |
if(aux->mac_unit==id&&aux->lun==lun) { |
| 145 |
return aux; |
| 146 |
} |
| 147 |
aux = aux->next; |
| 148 |
} |
| 149 |
return NULL; |
| 150 |
} |
| 151 |
|
| 152 |
inline static SCSIDevice* _AllocNewDevice() |
| 153 |
{ |
| 154 |
SCSIDevice* aux; |
| 155 |
|
| 156 |
aux = new SCSIDevice; |
| 157 |
if(aux==NULL) return NULL; |
| 158 |
memset(aux, 0, sizeof(SCSIDevice)); |
| 159 |
aux->next = Devices; |
| 160 |
Devices = aux; |
| 161 |
return aux; |
| 162 |
} |
| 163 |
|
| 164 |
#ifdef CAM |
| 165 |
inline static struct cam_device* _GetCurrentSCSIDevice() |
| 166 |
{ |
| 167 |
if(CurrentDevice==NULL) return NULL; |
| 168 |
|
| 169 |
return (struct cam_device*)CurrentDevice->dev_ptr; |
| 170 |
} |
| 171 |
#else /* !CAM */ |
| 172 |
inline static struct scsireq* _GetCurrentSCSIDevice() |
| 173 |
{ |
| 174 |
if(CurrentDevice==NULL) return NULL; |
| 175 |
|
| 176 |
return (struct scsireq*)CurrentDevice->dev_ptr; |
| 177 |
} |
| 178 |
#endif /* !CAM */ |
| 179 |
|
| 180 |
/* |
| 181 |
* _Build_SCSI_Controller() |
| 182 |
* |
| 183 |
* This function builds a virtual SCSI Controller (Controller=0) |
| 184 |
* where keeps all the devices found, this is due the fact |
| 185 |
* I have two SCSI controllers in my PC. :-) |
| 186 |
* Use scsidump in contrib/ to see how is remapped your |
| 187 |
* SCSI device (only if you have more than one controller, |
| 188 |
* that's for sure :-). |
| 189 |
* If you have only one controller, remapping does not take act. |
| 190 |
*/ |
| 191 |
|
| 192 |
#define GET_FREE_ID(id) \ |
| 193 |
{ \ |
| 194 |
for(int x=0;x<32;x++) { \ |
| 195 |
if(!(busyIDs&(1<<(x+1)))) { \ |
| 196 |
id = x; \ |
| 197 |
break; \ |
| 198 |
} \ |
| 199 |
} \ |
| 200 |
} |
| 201 |
|
| 202 |
static void _Build_SCSI_Controller() |
| 203 |
{ |
| 204 |
unsigned int id = 0; |
| 205 |
unsigned long long busyIDs = 0x0ll; |
| 206 |
SCSIDevice* aux, * dev; |
| 207 |
|
| 208 |
// What IDs are busy? |
| 209 |
dev = Devices; |
| 210 |
while(dev) { |
| 211 |
dev->enabled = false; |
| 212 |
dev->faked_controller = 0; |
| 213 |
dev->faked_unit = dev->unit; |
| 214 |
busyIDs |= (1 << (dev->unit+1)); |
| 215 |
dev = dev->next; |
| 216 |
} |
| 217 |
|
| 218 |
// Find out the duplicate IDs and remap them |
| 219 |
dev = Devices, aux = NULL; |
| 220 |
while(dev) { |
| 221 |
aux = dev; |
| 222 |
while(aux) { |
| 223 |
SCSIDevice* dev1, * dev2; |
| 224 |
|
| 225 |
dev1 = dev, dev2 = aux; |
| 226 |
|
| 227 |
if(dev1->controller!=dev2->controller&& |
| 228 |
dev1->unit==dev2->unit) { |
| 229 |
int free_id; |
| 230 |
GET_FREE_ID(free_id); |
| 231 |
busyIDs |= (1<<(free_id+1)); |
| 232 |
dev1->faked_unit = free_id; |
| 233 |
} |
| 234 |
aux = aux->next; |
| 235 |
} |
| 236 |
dev = dev->next; |
| 237 |
} |
| 238 |
|
| 239 |
// Now reorder the queue |
| 240 |
#if 0 |
| 241 |
dev = Devices; |
| 242 |
while(dev) { |
| 243 |
aux = dev; |
| 244 |
while(aux) { |
| 245 |
SCSIDevice* dev1, * dev2; |
| 246 |
|
| 247 |
dev1 = dev, dev2 = aux; |
| 248 |
if(dev1->faked_unit>dev2->faked_unit) { |
| 249 |
SCSIDevice tmp; |
| 250 |
|
| 251 |
memcpy(&tmp, dev1, sizeof(SCSIDevice)); |
| 252 |
memcpy(dev1, dev2, sizeof(SCSIDevice)); |
| 253 |
memcpy(dev2, &tmp, sizeof(SCSIDevice)); |
| 254 |
} |
| 255 |
aux = aux->next; |
| 256 |
} |
| 257 |
dev = dev->next; |
| 258 |
} |
| 259 |
#endif |
| 260 |
|
| 261 |
// Now open the selected SCSI devices :-) |
| 262 |
for(int n=0;n<8;n++) { |
| 263 |
char tmp[25]; |
| 264 |
|
| 265 |
snprintf(tmp, sizeof(tmp), "scsi%d", n); |
| 266 |
const char* scsi = PrefsFindString(tmp); |
| 267 |
if(scsi) { |
| 268 |
int id, lun; |
| 269 |
|
| 270 |
// The format is: RemappedID (or FakedID)/LUN |
| 271 |
sscanf(scsi, "%d/%d", &id, &lun); |
| 272 |
|
| 273 |
SCSIDevice* dev = _GetSCSIDeviceByIDLUN(id, lun); |
| 274 |
if(dev==NULL) continue; |
| 275 |
dev->enabled = true; |
| 276 |
dev->mac_unit = n; |
| 277 |
|
| 278 |
#ifdef CAM |
| 279 |
struct cam_device* cam; |
| 280 |
|
| 281 |
cam = cam_open_btl(dev->controller, |
| 282 |
dev->unit, |
| 283 |
dev->lun, O_RDWR, NULL); |
| 284 |
if(cam==NULL) { |
| 285 |
fprintf(stderr, "Failed to open %d:%d:%d = %s!!!\n", |
| 286 |
dev->controller, dev->unit, dev->lun, |
| 287 |
cam_errbuf); |
| 288 |
} |
| 289 |
dev->dev_ptr = (void*)cam; |
| 290 |
#else /* !CAM */ |
| 291 |
dev->dev_fd = scsi_open(dev->device, O_RDWR); |
| 292 |
if(dev->dev_fd<0) { |
| 293 |
perror("Failed to open %d:%d:%d"); |
| 294 |
} |
| 295 |
else { |
| 296 |
dev->dev_ptr = (void*)scsireq_new(); |
| 297 |
} |
| 298 |
#endif /* !CAM */ |
| 299 |
} |
| 300 |
} |
| 301 |
} |
| 302 |
|
| 303 |
|
| 304 |
/* |
| 305 |
* Initialization |
| 306 |
*/ |
| 307 |
|
| 308 |
void SCSIInit(void) |
| 309 |
{ |
| 310 |
// Finds the SCSI hosts in the system filling the SCSIDevices queue. |
| 311 |
// "Stolen" from camcontrol.c |
| 312 |
// Copyright (C) 1997-99 Kenneth D. Merry |
| 313 |
// Old SCSI detection "stolen" from scsi.c |
| 314 |
// Copyright (C) 1993 Julian Elischer |
| 315 |
// |
| 316 |
int bufsize, fd; |
| 317 |
int need_close = 0; |
| 318 |
int error = 0; |
| 319 |
int skip_device = 0; |
| 320 |
SCSIDevice* Dev, * dev, * PrevDev = NULL; |
| 321 |
|
| 322 |
nDevices = 0; |
| 323 |
|
| 324 |
if(PrefsFindBool("noscsi")) |
| 325 |
goto no_scsi; |
| 326 |
|
| 327 |
#ifdef CAM |
| 328 |
union ccb ccb; |
| 329 |
if ((fd = open(XPT_DEVICE, O_RDWR)) == -1) { |
| 330 |
fprintf(stderr, "WARNING: Cannot open CAM device %s (%s)\n", XPT_DEVICE, strerror(errno)); |
| 331 |
goto no_scsi; |
| 332 |
} |
| 333 |
|
| 334 |
memset(&(&ccb.ccb_h)[1], 0, sizeof(struct ccb_dev_match)-sizeof(struct ccb_hdr)); |
| 335 |
ccb.ccb_h.func_code = XPT_DEV_MATCH; |
| 336 |
bufsize = sizeof(struct dev_match_result) * 100; |
| 337 |
ccb.cdm.match_buf_len = bufsize; |
| 338 |
ccb.cdm.matches = (struct dev_match_result *)malloc(bufsize); |
| 339 |
ccb.cdm.num_matches = 0; |
| 340 |
|
| 341 |
ccb.cdm.num_patterns = 0; |
| 342 |
ccb.cdm.pattern_buf_len = 0; |
| 343 |
|
| 344 |
do { |
| 345 |
Dev = _AllocNewDevice(); |
| 346 |
if(ioctl(fd, CAMIOCOMMAND, &ccb)==-1) { |
| 347 |
fprintf(stderr, "Error sending CAMIOCOMMAND ioctl\n"); |
| 348 |
return; |
| 349 |
} |
| 350 |
|
| 351 |
if((ccb.ccb_h.status != CAM_REQ_CMP) |
| 352 |
|| ((ccb.cdm.status != CAM_DEV_MATCH_LAST) |
| 353 |
&& (ccb.cdm.status != CAM_DEV_MATCH_MORE))) { |
| 354 |
fprintf(stderr, "Got CAM error %#x, CDM error %d\n", |
| 355 |
ccb.ccb_h.status, ccb.cdm.status); |
| 356 |
return; |
| 357 |
} |
| 358 |
|
| 359 |
char current_controller_name[33]; |
| 360 |
int current_controller = -1; |
| 361 |
for(int i=0;i<ccb.cdm.num_matches;i++) { |
| 362 |
switch(ccb.cdm.matches[i].type) { |
| 363 |
case DEV_MATCH_BUS: |
| 364 |
{ |
| 365 |
struct bus_match_result* bus_result; |
| 366 |
|
| 367 |
bus_result = &ccb.cdm.matches[i].result.bus_result; |
| 368 |
|
| 369 |
if(bus_result->path_id==-1) break; |
| 370 |
Dev->controller = bus_result->path_id; |
| 371 |
snprintf(Dev->controller_name, sizeof(Dev->controller_name), "%s%d", |
| 372 |
bus_result->dev_name, |
| 373 |
bus_result->unit_number); |
| 374 |
strncpy(current_controller_name, Dev->controller_name, sizeof(current_controller_name)); |
| 375 |
current_controller = Dev->controller; |
| 376 |
Dev->controller_bus = bus_result->bus_id; |
| 377 |
break; |
| 378 |
} |
| 379 |
case DEV_MATCH_DEVICE: |
| 380 |
{ |
| 381 |
struct device_match_result* dev_result; |
| 382 |
char tmpstr[256]; |
| 383 |
|
| 384 |
dev_result = &ccb.cdm.matches[i].result.device_result; |
| 385 |
if(current_controller==-1||dev_result->target_id==-1) { |
| 386 |
skip_device = 1; |
| 387 |
break; |
| 388 |
} |
| 389 |
else skip_device = 0; |
| 390 |
|
| 391 |
cam_strvis(Dev->vendor, (u_int8_t*)dev_result->inq_data.vendor, |
| 392 |
sizeof(dev_result->inq_data.vendor), |
| 393 |
sizeof(Dev->vendor)); |
| 394 |
cam_strvis(Dev->product, (u_int8_t*)dev_result->inq_data.product, |
| 395 |
sizeof(dev_result->inq_data.product), |
| 396 |
sizeof(Dev->product)); |
| 397 |
cam_strvis(Dev->revision, (u_int8_t*)dev_result->inq_data.revision, |
| 398 |
sizeof(dev_result->inq_data.revision), |
| 399 |
sizeof(Dev->revision)); |
| 400 |
strncpy(Dev->controller_name, current_controller_name, sizeof(Dev->controller_name)); |
| 401 |
Dev->controller = current_controller; |
| 402 |
Dev->unit = dev_result->target_id; |
| 403 |
Dev->lun = dev_result->target_lun; |
| 404 |
break; |
| 405 |
} |
| 406 |
case DEV_MATCH_PERIPH: |
| 407 |
{ |
| 408 |
struct periph_match_result* periph_result; |
| 409 |
|
| 410 |
periph_result = &ccb.cdm.matches[i].result.periph_result; |
| 411 |
|
| 412 |
if(skip_device != 0) break; |
| 413 |
|
| 414 |
if(need_close==1) { |
| 415 |
snprintf(Dev->device, sizeof(Dev->device), "%s%d*", |
| 416 |
periph_result->periph_name, |
| 417 |
periph_result->unit_number); |
| 418 |
need_close = 0; |
| 419 |
} |
| 420 |
else if(need_close==0) { |
| 421 |
snprintf(Dev->pass_device, sizeof(Dev->pass_device), "%s%d", |
| 422 |
periph_result->periph_name, |
| 423 |
periph_result->unit_number); |
| 424 |
need_close++; |
| 425 |
break; |
| 426 |
} |
| 427 |
else { |
| 428 |
need_close = 0; |
| 429 |
} |
| 430 |
PrevDev = Dev; |
| 431 |
Dev = _AllocNewDevice(); |
| 432 |
break; |
| 433 |
} |
| 434 |
} |
| 435 |
} |
| 436 |
} while (ccb.ccb_h.status == CAM_REQ_CMP |
| 437 |
&& ccb.cdm.status == CAM_DEV_MATCH_MORE); |
| 438 |
|
| 439 |
/* Remove last one (ugly coding) */ |
| 440 |
Devices = PrevDev; |
| 441 |
delete Dev; |
| 442 |
end_loop: |
| 443 |
close(fd); |
| 444 |
#else /* !CAM */ |
| 445 |
/* |
| 446 |
* FreeBSD 2.x SCSI management is quiet different and |
| 447 |
* unfortunatly not flexible as CAM library in FreeBSD 3.x... |
| 448 |
* I probe only the first bus, LUN 0, and the |
| 449 |
* first 8 devices only. |
| 450 |
*/ |
| 451 |
u_char* inq_buf; |
| 452 |
scsireq_t* scsireq; |
| 453 |
struct scsi_addr scsi; |
| 454 |
int ssc_fd; |
| 455 |
|
| 456 |
if((ssc_fd=open("/dev/ssc", O_RDWR))==-1) { |
| 457 |
fprintf(stderr, "Cannot open SCSI manager: /dev/ssc\n"); |
| 458 |
SCSIReset(); |
| 459 |
return; |
| 460 |
} |
| 461 |
|
| 462 |
inq_buf = (u_char*)malloc(96); |
| 463 |
if(inq_buf==NULL) { |
| 464 |
perror("malloc failed"); |
| 465 |
SCSIReset(); |
| 466 |
return; |
| 467 |
} |
| 468 |
|
| 469 |
scsireq = scsireq_build((scsireq_t*)dev->dev_ptr, |
| 470 |
96, inq_buf, SCCMD_READ, |
| 471 |
"12 0 0 0 v 0", 96); |
| 472 |
|
| 473 |
addr.scbus = 0; |
| 474 |
addr.lun = 0; |
| 475 |
|
| 476 |
for(int n=0;n<8;n++) { |
| 477 |
addr.target = n; |
| 478 |
|
| 479 |
if(ioctl(ssc_fd, SCIOCADDR, &addr) != -1) { |
| 480 |
Dev = _AllocNewDevice(); |
| 481 |
Dev->controller = addr.scbus; |
| 482 |
Dev->lun = addr.lun; |
| 483 |
Dev->unit = addr.target; |
| 484 |
|
| 485 |
struct scsi_devinfo devInfo; |
| 486 |
devInfo.addr = addr; |
| 487 |
if(ioctl(ssc_fd, SCIOCGETDEVINFO, &devInfo) != -1) { |
| 488 |
strncpy(Dev->device, devInfo.devname, sizeof(Dev->device)); |
| 489 |
} |
| 490 |
strncpy(Dev->controller_name, "FreeBSD 2.x SCSI Manager", sizeof(Dev->controller_name)); |
| 491 |
if(scsireq_enter(ssc_fd, scsireq)!=-1) { |
| 492 |
Dev->vendor[sizeof(Dev->vendor)-1] = 0; |
| 493 |
Dev->product[sizeof(Dev->product)-1] = 0; |
| 494 |
Dev->revision[sizeof(Dev->revision)-1] = 0; |
| 495 |
|
| 496 |
scsireq_decode(scsireq, "s8 c8 c16 c4", |
| 497 |
Dev->vendor, Dev->product, Dev->revision); |
| 498 |
} |
| 499 |
} |
| 500 |
} |
| 501 |
free(inq_buf); |
| 502 |
close(ssc_fd); |
| 503 |
#endif /* !CAM */ |
| 504 |
_Build_SCSI_Controller(); |
| 505 |
|
| 506 |
// Print out the periph with ID:LUNs |
| 507 |
fprintf(stderr, "Device RealID FkdID MacID Enabled\n"); |
| 508 |
fprintf(stderr, "-------------------------------------------------------------\n"); |
| 509 |
// 012345678901234567890123456789012 0:0:0 0/0 0:0 Yes |
| 510 |
dev = Devices; |
| 511 |
while(dev) { |
| 512 |
char tmp[40]; |
| 513 |
snprintf(tmp, sizeof(tmp), "%s %s %s", |
| 514 |
dev->vendor, |
| 515 |
dev->product, |
| 516 |
dev->revision); |
| 517 |
fprintf(stderr, "%-33s %d:%d:%d %d/%d %d:%d %s\n", |
| 518 |
tmp, dev->controller, dev->unit, dev->lun, |
| 519 |
dev->faked_unit, dev->lun, |
| 520 |
dev->mac_unit, dev->lun, dev->enabled?"Yes":"No"); |
| 521 |
dev = dev->next; |
| 522 |
} |
| 523 |
|
| 524 |
no_scsi: |
| 525 |
// Reset SCSI bus |
| 526 |
SCSIReset(); |
| 527 |
} |
| 528 |
|
| 529 |
|
| 530 |
/* |
| 531 |
* Deinitialization |
| 532 |
*/ |
| 533 |
|
| 534 |
void SCSIExit(void) |
| 535 |
{ |
| 536 |
SCSIDevice* aux; |
| 537 |
while(Devices) { |
| 538 |
aux = Devices->next; |
| 539 |
if(Devices->dev_ptr!=NULL) { |
| 540 |
#ifdef CAM |
| 541 |
cam_close_device((struct cam_device*)Devices->dev_ptr); |
| 542 |
#else /* !CAM */ |
| 543 |
free(Devices->dev_ptr); // Is this right? |
| 544 |
close(Devices->dev_fd); // And this one? |
| 545 |
#endif /* !CAM */ |
| 546 |
} |
| 547 |
delete Devices; |
| 548 |
Devices = aux; |
| 549 |
} |
| 550 |
nDevices = 0; |
| 551 |
} |
| 552 |
|
| 553 |
|
| 554 |
/* |
| 555 |
* Set SCSI command to be sent by scsi_send_cmd() |
| 556 |
*/ |
| 557 |
|
| 558 |
void scsi_set_cmd(int cmd_length, uint8 *cmd) |
| 559 |
{ |
| 560 |
the_cmd_len = cmd_length; |
| 561 |
memset(the_cmd, 0, sizeof(the_cmd)); |
| 562 |
memcpy(the_cmd, cmd, the_cmd_len); |
| 563 |
} |
| 564 |
|
| 565 |
|
| 566 |
/* |
| 567 |
* Check for presence of SCSI target |
| 568 |
*/ |
| 569 |
|
| 570 |
bool scsi_is_target_present(int id) |
| 571 |
{ |
| 572 |
return (_GetSCSIDeviceByMacID(id)!=NULL&&_GetSCSIDeviceByMacID(id)->enabled); |
| 573 |
} |
| 574 |
|
| 575 |
|
| 576 |
/* |
| 577 |
* Set SCSI target (returns false on error) |
| 578 |
*/ |
| 579 |
|
| 580 |
bool scsi_set_target(int id, int lun) |
| 581 |
{ |
| 582 |
SCSIDevice* dev; |
| 583 |
|
| 584 |
dev = _GetSCSIDeviceByMacIDLUN(id, lun); |
| 585 |
if(dev==NULL) return false; |
| 586 |
CurrentDevice = dev; |
| 587 |
return true; |
| 588 |
} |
| 589 |
|
| 590 |
|
| 591 |
/* |
| 592 |
* Send SCSI command to active target (scsi_set_command() must have been called), |
| 593 |
* read/write data according to S/G table (returns false on error) |
| 594 |
*/ |
| 595 |
|
| 596 |
static bool try_buffer(int size) |
| 597 |
{ |
| 598 |
if(size <= buffer_size) { |
| 599 |
return true; |
| 600 |
} |
| 601 |
|
| 602 |
D(bug("Allocating buffer of %d bytes.\n", size)); |
| 603 |
uint8* new_buffer = (uint8*)valloc(size); |
| 604 |
if(new_buffer==NULL) { |
| 605 |
return false; |
| 606 |
} |
| 607 |
if(buffer!=NULL) free(buffer); |
| 608 |
buffer = new_buffer; |
| 609 |
buffer_size = size; |
| 610 |
return true; |
| 611 |
} |
| 612 |
|
| 613 |
bool scsi_send_cmd(size_t data_length, bool reading, int sg_size, uint8 **sg_ptr, uint32 *sg_len, uint16 *stat, uint32 timeout) |
| 614 |
{ |
| 615 |
int value = 0; |
| 616 |
#ifdef CAM |
| 617 |
#ifdef VERBOSE_CAM_DEBUG |
| 618 |
D(bug("Sending command %x (len=%d) to SCSI Device %d:%d:%d\n", the_cmd[0], |
| 619 |
the_cmd_len, |
| 620 |
CurrentDevice->controller, |
| 621 |
CurrentDevice->unit, |
| 622 |
CurrentDevice->lun)); |
| 623 |
D(bug("DataLength: %d\n", data_length)); |
| 624 |
D(bug("Reading: %d\n", reading)); |
| 625 |
D(bug("SG Size: %d\n", sg_size)); |
| 626 |
D(bug("Timeout: %d\n", timeout)); |
| 627 |
#endif /* VERBOSE_CAM_DEBUG */ |
| 628 |
#endif /* CAM */ |
| 629 |
if(!try_buffer(data_length)) { |
| 630 |
char str[256]; |
| 631 |
sprintf(str, GetString(STR_SCSI_BUFFER_ERR), data_length); |
| 632 |
ErrorAlert(str); |
| 633 |
return false; |
| 634 |
} |
| 635 |
|
| 636 |
if(!reading) { |
| 637 |
uint8* buffer_ptr = buffer; |
| 638 |
for(int i=0;i<sg_size;i++) { |
| 639 |
uint32 len = sg_len[i]; |
| 640 |
memcpy(buffer, sg_ptr[i], len); |
| 641 |
buffer_ptr += len; |
| 642 |
} |
| 643 |
} |
| 644 |
|
| 645 |
if(the_cmd[0] == 0x03) { |
| 646 |
// faked cmd |
| 647 |
*stat = 0; |
| 648 |
return true; |
| 649 |
} |
| 650 |
|
| 651 |
|
| 652 |
#ifdef CAM |
| 653 |
struct cam_device* device = _GetCurrentSCSIDevice(); |
| 654 |
if(device==NULL) return false; |
| 655 |
|
| 656 |
union ccb ccb; |
| 657 |
|
| 658 |
memset(&ccb, 0, sizeof(ccb)); |
| 659 |
|
| 660 |
int dir_flags = CAM_DIR_NONE; |
| 661 |
if(data_length>0) { |
| 662 |
dir_flags = reading?CAM_DIR_IN:CAM_DIR_OUT; |
| 663 |
} |
| 664 |
|
| 665 |
ccb.ccb_h.path_id = CurrentDevice->controller; |
| 666 |
ccb.ccb_h.target_id = CurrentDevice->unit; |
| 667 |
ccb.ccb_h.target_lun = CurrentDevice->lun; |
| 668 |
|
| 669 |
cam_fill_csio(&ccb.csio, |
| 670 |
0, |
| 671 |
NULL, |
| 672 |
dir_flags, |
| 673 |
MSG_SIMPLE_Q_TAG, |
| 674 |
(u_int8_t*)buffer, |
| 675 |
data_length, |
| 676 |
SSD_FULL_SIZE, |
| 677 |
the_cmd_len, |
| 678 |
(timeout?timeout:50)*1000); |
| 679 |
|
| 680 |
ccb.ccb_h.flags |= CAM_DEV_QFRZDIS; |
| 681 |
|
| 682 |
memcpy(ccb.csio.cdb_io.cdb_bytes, the_cmd, the_cmd_len); |
| 683 |
|
| 684 |
if(cam_send_ccb(device, &ccb)<0) { |
| 685 |
fprintf(stderr, "%d:%d:%d ", CurrentDevice->controller, |
| 686 |
CurrentDevice->unit, CurrentDevice->lun); |
| 687 |
perror("cam_send_ccb"); |
| 688 |
return false; |
| 689 |
} |
| 690 |
|
| 691 |
value = ccb.ccb_h.status; |
| 692 |
*stat = ccb.csio.scsi_status; |
| 693 |
|
| 694 |
if((value & CAM_STATUS_MASK) != CAM_REQ_CMP) { |
| 695 |
char tmp[4096]; |
| 696 |
if((value & CAM_STATUS_MASK) == CAM_SCSI_STATUS_ERROR) { |
| 697 |
scsi_sense_string(device, &ccb.csio, tmp, sizeof(tmp)); |
| 698 |
fprintf(stderr, "SCSI Status Error:\n%s\n", tmp); |
| 699 |
return false; |
| 700 |
} |
| 701 |
} |
| 702 |
#else /* !CAM */ |
| 703 |
struct scsireq* scsireq = _GetCurrentSCSIDevice(); |
| 704 |
if(device==NULL) return false; |
| 705 |
|
| 706 |
int dir_flags = 0x00; |
| 707 |
if(data_length>0) dir_flags = reading?SCCMD_READ:SCCMD_WRITE; |
| 708 |
|
| 709 |
scsireq_reset(scsireq); |
| 710 |
scsireq->timeout = (timeout?timeout:50)*1000; |
| 711 |
scsireq_build(scsireq, data_length, |
| 712 |
(caddr_t)buffer, dir_flags, |
| 713 |
"0"); |
| 714 |
memcpy(scsireq->cmd, the_cmd, scsireq->cmdlen = the_cmd_len); |
| 715 |
|
| 716 |
int result = scsi_enter(dev->dev_fd, scsireq); |
| 717 |
if(SCSIREQ_ERROR(result)) { |
| 718 |
scsi_debug(stderr, result, scsireq); |
| 719 |
} |
| 720 |
*stat = scsireq->status; |
| 721 |
#endif /* !CAM */ |
| 722 |
|
| 723 |
if(reading) { |
| 724 |
uint8* buffer_ptr = buffer; |
| 725 |
for(int i=0;i<sg_size;i++) { |
| 726 |
uint32 len = sg_len[i]; |
| 727 |
memcpy(sg_ptr[i], buffer_ptr, len); |
| 728 |
#ifdef CAM |
| 729 |
#ifdef VERBOSE_CAM_DEBUG |
| 730 |
static char line[16]; |
| 731 |
for(int r=0, x=0;x<len;x++) { |
| 732 |
if(x!=0&&x%16==0) { D(bug("%s\n", line)); r = 0; } |
| 733 |
line[r++] = isprint(sg_ptr[i][x])?sg_ptr[i][x]:'.'; |
| 734 |
line[r] = 0; |
| 735 |
D(bug("%02x ", sg_ptr[i][x])); |
| 736 |
} |
| 737 |
#endif /* VERBOSE_CAM_DEBUG */ |
| 738 |
#endif /* CAM */ |
| 739 |
buffer_ptr += len; |
| 740 |
} |
| 741 |
} |
| 742 |
return true; |
| 743 |
} |
