Changes in uspace/drv/pciintel/pci.c [af6b5157:fb78ae72] in mainline
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uspace/drv/pciintel/pci.c
raf6b5157 rfb78ae72 1 1 /* 2 2 * Copyright (c) 2010 Lenka Trochtova 3 * Copyright (c) 2011 Jiri Svoboda4 3 * All rights reserved. 5 4 * … … 45 44 #include <ctype.h> 46 45 #include <macros.h> 47 #include <str_error.h> 48 49 #include <ddf/driver.h> 46 47 #include <driver.h> 50 48 #include <devman.h> 51 49 #include <ipc/devman.h> 52 50 #include <ipc/dev_iface.h> 51 #include <ipc/irc.h> 52 #include <ipc/ns.h> 53 #include <ipc/services.h> 54 #include <sysinfo.h> 53 55 #include <ops/hw_res.h> 54 56 #include <device/hw_res.h> … … 63 65 ((1 << 31) | (bus << 16) | (dev << 11) | (fn << 8) | (reg & ~3)) 64 66 65 /** Obtain PCI function soft-state from DDF function node */ 66 #define PCI_FUN(fnode) ((pci_fun_t *) (fnode)->driver_data) 67 68 /** Obtain PCI bus soft-state from DDF device node */ 69 #define PCI_BUS(dnode) ((pci_bus_t *) (dnode)->driver_data) 70 71 /** Obtain PCI bus soft-state from function soft-state */ 72 #define PCI_BUS_FROM_FUN(fun) ((fun)->busptr) 73 74 static hw_resource_list_t *pciintel_get_resources(ddf_fun_t *fnode) 75 { 76 pci_fun_t *fun = PCI_FUN(fnode); 77 78 if (fun == NULL) 67 static hw_resource_list_t *pciintel_get_child_resources(device_t *dev) 68 { 69 pci_dev_data_t *dev_data = (pci_dev_data_t *) dev->driver_data; 70 71 if (dev_data == NULL) 79 72 return NULL; 80 return &fun->hw_resources; 81 } 82 83 static bool pciintel_enable_interrupt(ddf_fun_t *fnode) 84 { 85 /* TODO */ 86 87 return false; 88 } 89 90 static hw_res_ops_t pciintel_hw_res_ops = { 91 &pciintel_get_resources, 92 &pciintel_enable_interrupt 73 return &dev_data->hw_resources; 74 } 75 76 static bool pciintel_enable_child_interrupt(device_t *dev) 77 { 78 /* This is an old ugly way, copied from ne2000 driver */ 79 assert(dev); 80 pci_dev_data_t *dev_data = (pci_dev_data_t *) dev->driver_data; 81 82 sysarg_t apic; 83 sysarg_t i8259; 84 int irc_phone = -1; 85 int irc_service = 0; 86 87 if ((sysinfo_get_value("apic", &apic) == EOK) && (apic)) { 88 irc_service = SERVICE_APIC; 89 } else if ((sysinfo_get_value("i8259", &i8259) == EOK) && (i8259)) { 90 irc_service = SERVICE_I8259; 91 } 92 93 if (irc_service) { 94 while (irc_phone < 0) 95 irc_phone = service_connect_blocking(irc_service, 0, 0); 96 } else { 97 return false; 98 } 99 100 size_t i; 101 for (i = 0; i < dev_data->hw_resources.count; i++) { 102 if (dev_data->hw_resources.resources[i].type == INTERRUPT) { 103 int irq = dev_data->hw_resources.resources[i].res.interrupt.irq; 104 async_msg_1(irc_phone, IRC_ENABLE_INTERRUPT, irq); 105 } 106 } 107 108 async_hangup(irc_phone); 109 return true; 110 } 111 112 static hw_res_ops_t pciintel_child_hw_res_ops = { 113 &pciintel_get_child_resources, 114 &pciintel_enable_child_interrupt 93 115 }; 94 116 95 static d df_dev_ops_t pci_fun_ops;96 97 static int pci_add_device(d df_dev_t *);98 99 /** PCI bus driver standard operations*/117 static device_ops_t pci_child_ops; 118 119 static int pci_add_device(device_t *); 120 121 /** The pci bus driver's standard operations. */ 100 122 static driver_ops_t pci_ops = { 101 123 .add_device = &pci_add_device 102 124 }; 103 125 104 /** PCI bus driver structure*/126 /** The pci bus driver structure. */ 105 127 static driver_t pci_driver = { 106 128 .name = NAME, … … 108 130 }; 109 131 110 static pci_bus_t *pci_bus_new(void) 111 { 112 pci_bus_t *bus; 113 114 bus = (pci_bus_t *) calloc(1, sizeof(pci_bus_t)); 115 if (bus == NULL) 116 return NULL; 117 118 fibril_mutex_initialize(&bus->conf_mutex); 119 return bus; 120 } 121 122 static void pci_bus_delete(pci_bus_t *bus) 123 { 124 assert(bus != NULL); 125 free(bus); 126 } 127 128 static void pci_conf_read(pci_fun_t *fun, int reg, uint8_t *buf, size_t len) 129 { 130 pci_bus_t *bus = PCI_BUS_FROM_FUN(fun); 131 132 fibril_mutex_lock(&bus->conf_mutex); 132 typedef struct pciintel_bus_data { 133 uint32_t conf_io_addr; 134 void *conf_data_port; 135 void *conf_addr_port; 136 fibril_mutex_t conf_mutex; 137 } pci_bus_data_t; 138 139 static pci_bus_data_t *create_pci_bus_data(void) 140 { 141 pci_bus_data_t *bus_data; 142 143 bus_data = (pci_bus_data_t *) malloc(sizeof(pci_bus_data_t)); 144 if (bus_data != NULL) { 145 memset(bus_data, 0, sizeof(pci_bus_data_t)); 146 fibril_mutex_initialize(&bus_data->conf_mutex); 147 } 148 149 return bus_data; 150 } 151 152 static void delete_pci_bus_data(pci_bus_data_t *bus_data) 153 { 154 free(bus_data); 155 } 156 157 static void pci_conf_read(device_t *dev, int reg, uint8_t *buf, size_t len) 158 { 159 assert(dev->parent != NULL); 160 161 pci_dev_data_t *dev_data = (pci_dev_data_t *) dev->driver_data; 162 pci_bus_data_t *bus_data = (pci_bus_data_t *) dev->parent->driver_data; 163 164 fibril_mutex_lock(&bus_data->conf_mutex); 133 165 134 166 uint32_t conf_addr; 135 conf_addr = CONF_ADDR( fun->bus, fun->dev, fun->fn, reg);136 void *addr = bus ->conf_data_port + (reg & 3);137 138 pio_write_32(bus ->conf_addr_port, conf_addr);167 conf_addr = CONF_ADDR(dev_data->bus, dev_data->dev, dev_data->fn, reg); 168 void *addr = bus_data->conf_data_port + (reg & 3); 169 170 pio_write_32(bus_data->conf_addr_port, conf_addr); 139 171 140 172 switch (len) { … … 150 182 } 151 183 152 fibril_mutex_unlock(&bus->conf_mutex); 153 } 154 155 static void pci_conf_write(pci_fun_t *fun, int reg, uint8_t *buf, size_t len) 156 { 157 pci_bus_t *bus = PCI_BUS_FROM_FUN(fun); 158 159 fibril_mutex_lock(&bus->conf_mutex); 184 fibril_mutex_unlock(&bus_data->conf_mutex); 185 } 186 187 static void pci_conf_write(device_t *dev, int reg, uint8_t *buf, size_t len) 188 { 189 assert(dev->parent != NULL); 190 191 pci_dev_data_t *dev_data = (pci_dev_data_t *) dev->driver_data; 192 pci_bus_data_t *bus_data = (pci_bus_data_t *) dev->parent->driver_data; 193 194 fibril_mutex_lock(&bus_data->conf_mutex); 160 195 161 196 uint32_t conf_addr; 162 conf_addr = CONF_ADDR( fun->bus, fun->dev, fun->fn, reg);163 void *addr = bus ->conf_data_port + (reg & 3);164 165 pio_write_32(bus ->conf_addr_port, conf_addr);197 conf_addr = CONF_ADDR(dev_data->bus, dev_data->dev, dev_data->fn, reg); 198 void *addr = bus_data->conf_data_port + (reg & 3); 199 200 pio_write_32(bus_data->conf_addr_port, conf_addr); 166 201 167 202 switch (len) { … … 177 212 } 178 213 179 fibril_mutex_unlock(&bus ->conf_mutex);180 } 181 182 uint8_t pci_conf_read_8( pci_fun_t *fun, int reg)214 fibril_mutex_unlock(&bus_data->conf_mutex); 215 } 216 217 uint8_t pci_conf_read_8(device_t *dev, int reg) 183 218 { 184 219 uint8_t res; 185 pci_conf_read( fun, reg, &res, 1);220 pci_conf_read(dev, reg, &res, 1); 186 221 return res; 187 222 } 188 223 189 uint16_t pci_conf_read_16( pci_fun_t *fun, int reg)224 uint16_t pci_conf_read_16(device_t *dev, int reg) 190 225 { 191 226 uint16_t res; 192 pci_conf_read( fun, reg, (uint8_t *) &res, 2);227 pci_conf_read(dev, reg, (uint8_t *) &res, 2); 193 228 return res; 194 229 } 195 230 196 uint32_t pci_conf_read_32( pci_fun_t *fun, int reg)231 uint32_t pci_conf_read_32(device_t *dev, int reg) 197 232 { 198 233 uint32_t res; 199 pci_conf_read( fun, reg, (uint8_t *) &res, 4);234 pci_conf_read(dev, reg, (uint8_t *) &res, 4); 200 235 return res; 201 236 } 202 237 203 void pci_conf_write_8(pci_fun_t *fun, int reg, uint8_t val) 204 { 205 pci_conf_write(fun, reg, (uint8_t *) &val, 1); 206 } 207 208 void pci_conf_write_16(pci_fun_t *fun, int reg, uint16_t val) 209 { 210 pci_conf_write(fun, reg, (uint8_t *) &val, 2); 211 } 212 213 void pci_conf_write_32(pci_fun_t *fun, int reg, uint32_t val) 214 { 215 pci_conf_write(fun, reg, (uint8_t *) &val, 4); 216 } 217 218 void pci_fun_create_match_ids(pci_fun_t *fun) 219 { 238 void pci_conf_write_8(device_t *dev, int reg, uint8_t val) 239 { 240 pci_conf_write(dev, reg, (uint8_t *) &val, 1); 241 } 242 243 void pci_conf_write_16(device_t *dev, int reg, uint16_t val) 244 { 245 pci_conf_write(dev, reg, (uint8_t *) &val, 2); 246 } 247 248 void pci_conf_write_32(device_t *dev, int reg, uint32_t val) 249 { 250 pci_conf_write(dev, reg, (uint8_t *) &val, 4); 251 } 252 253 void create_pci_match_ids(device_t *dev) 254 { 255 pci_dev_data_t *dev_data = (pci_dev_data_t *) dev->driver_data; 256 match_id_t *match_id = NULL; 220 257 char *match_id_str; 221 int rc; 222 223 asprintf(&match_id_str, "pci/ven=%04x&dev=%04x", 224 fun->vendor_id, fun->device_id); 225 226 if (match_id_str == NULL) { 227 printf(NAME ": out of memory creating match ID.\n"); 228 return; 229 } 230 231 rc = ddf_fun_add_match_id(fun->fnode, match_id_str, 90); 232 if (rc != EOK) { 233 printf(NAME ": error adding match ID: %s\n", 234 str_error(rc)); 235 } 236 258 259 match_id = create_match_id(); 260 if (match_id != NULL) { 261 asprintf(&match_id_str, "pci/ven=%04x&dev=%04x", 262 dev_data->vendor_id, dev_data->device_id); 263 match_id->id = match_id_str; 264 match_id->score = 90; 265 add_match_id(&dev->match_ids, match_id); 266 } 267 237 268 /* TODO add more ids (with subsys ids, using class id etc.) */ 238 269 } 239 270 240 void pci_add_range(pci_fun_t *fun, uint64_t range_addr, size_t range_size, 241 bool io) 242 { 243 hw_resource_list_t *hw_res_list = &fun->hw_resources; 271 void 272 pci_add_range(device_t *dev, uint64_t range_addr, size_t range_size, bool io) 273 { 274 pci_dev_data_t *dev_data = (pci_dev_data_t *) dev->driver_data; 275 hw_resource_list_t *hw_res_list = &dev_data->hw_resources; 244 276 hw_resource_t *hw_resources = hw_res_list->resources; 245 277 size_t count = hw_res_list->count; … … 266 298 * address add it to the devices hw resource list. 267 299 * 268 * @param fun PCI function300 * @param dev The pci device. 269 301 * @param addr The address of the BAR in the PCI configuration address space of 270 * the device 271 * @return The addr the address of the BAR which should be read next 302 * the device. 303 * @return The addr the address of the BAR which should be read next. 272 304 */ 273 int pci_read_bar( pci_fun_t *fun, int addr)274 { 305 int pci_read_bar(device_t *dev, int addr) 306 { 275 307 /* Value of the BAR */ 276 308 uint32_t val, mask; … … 286 318 287 319 /* Get the value of the BAR. */ 288 val = pci_conf_read_32( fun, addr);320 val = pci_conf_read_32(dev, addr); 289 321 290 322 io = (bool) (val & 1); … … 306 338 307 339 /* Get the address mask. */ 308 pci_conf_write_32( fun, addr, 0xffffffff);309 mask = pci_conf_read_32( fun, addr);340 pci_conf_write_32(dev, addr, 0xffffffff); 341 mask = pci_conf_read_32(dev, addr); 310 342 311 343 /* Restore the original value. */ 312 pci_conf_write_32( fun, addr, val);313 val = pci_conf_read_32( fun, addr);344 pci_conf_write_32(dev, addr, val); 345 val = pci_conf_read_32(dev, addr); 314 346 315 347 range_size = pci_bar_mask_to_size(mask); 316 348 317 349 if (addrw64) { 318 range_addr = ((uint64_t)pci_conf_read_32( fun, addr + 4) << 32) |350 range_addr = ((uint64_t)pci_conf_read_32(dev, addr + 4) << 32) | 319 351 (val & 0xfffffff0); 320 352 } else { … … 323 355 324 356 if (range_addr != 0) { 325 printf(NAME ": function %s : ", fun->fnode->name);357 printf(NAME ": device %s : ", dev->name); 326 358 printf("address = %" PRIx64, range_addr); 327 359 printf(", size = %x\n", (unsigned int) range_size); 328 360 } 329 361 330 pci_add_range( fun, range_addr, range_size, io);362 pci_add_range(dev, range_addr, range_size, io); 331 363 332 364 if (addrw64) … … 336 368 } 337 369 338 void pci_add_interrupt(pci_fun_t *fun, int irq) 339 { 340 hw_resource_list_t *hw_res_list = &fun->hw_resources; 370 void pci_add_interrupt(device_t *dev, int irq) 371 { 372 pci_dev_data_t *dev_data = (pci_dev_data_t *) dev->driver_data; 373 hw_resource_list_t *hw_res_list = &dev_data->hw_resources; 341 374 hw_resource_t *hw_resources = hw_res_list->resources; 342 375 size_t count = hw_res_list->count; … … 350 383 hw_res_list->count++; 351 384 352 printf(NAME ": function %s uses irq %x.\n", fun->fnode->name, irq);353 } 354 355 void pci_read_interrupt( pci_fun_t *fun)356 { 357 uint8_t irq = pci_conf_read_8( fun, PCI_BRIDGE_INT_LINE);385 printf(NAME ": device %s uses irq %x.\n", dev->name, irq); 386 } 387 388 void pci_read_interrupt(device_t *dev) 389 { 390 uint8_t irq = pci_conf_read_8(dev, PCI_BRIDGE_INT_LINE); 358 391 if (irq != 0xff) 359 pci_add_interrupt( fun, irq);392 pci_add_interrupt(dev, irq); 360 393 } 361 394 362 395 /** Enumerate (recursively) and register the devices connected to a pci bus. 363 396 * 364 * @param bus Host-to-PCI bridge365 * @param bus_num Bus number397 * @param parent The host-to-pci bridge device. 398 * @param bus_num The bus number. 366 399 */ 367 void pci_bus_scan(pci_bus_t *bus, int bus_num) 368 { 369 ddf_fun_t *fnode; 370 pci_fun_t *fun; 400 void pci_bus_scan(device_t *parent, int bus_num) 401 { 402 device_t *dev = create_device(); 403 pci_dev_data_t *dev_data = create_pci_dev_data(); 404 dev->driver_data = dev_data; 405 dev->parent = parent; 371 406 372 407 int child_bus = 0; 373 408 int dnum, fnum; 374 409 bool multi; 375 uint8_t header_type; 376 377 fun = pci_fun_new(bus); 410 uint8_t header_type; 378 411 379 412 for (dnum = 0; dnum < 32; dnum++) { 380 413 multi = true; 381 414 for (fnum = 0; multi && fnum < 8; fnum++) { 382 pci_fun_init(fun, bus_num, dnum, fnum);383 fun->vendor_id = pci_conf_read_16(fun,415 init_pci_dev_data(dev_data, bus_num, dnum, fnum); 416 dev_data->vendor_id = pci_conf_read_16(dev, 384 417 PCI_VENDOR_ID); 385 fun->device_id = pci_conf_read_16(fun,418 dev_data->device_id = pci_conf_read_16(dev, 386 419 PCI_DEVICE_ID); 387 if ( fun->vendor_id == 0xffff) {420 if (dev_data->vendor_id == 0xffff) { 388 421 /* 389 422 * The device is not present, go on scanning the … … 396 429 } 397 430 398 header_type = pci_conf_read_8( fun, PCI_HEADER_TYPE);431 header_type = pci_conf_read_8(dev, PCI_HEADER_TYPE); 399 432 if (fnum == 0) { 400 433 /* Is the device multifunction? */ … … 404 437 header_type = header_type & 0x7F; 405 438 406 char *fun_name = pci_fun_create_name(fun); 407 if (fun_name == NULL) { 408 printf(NAME ": out of memory.\n"); 409 return; 410 } 411 412 fnode = ddf_fun_create(bus->dnode, fun_inner, fun_name); 413 if (fnode == NULL) { 414 printf(NAME ": error creating function.\n"); 415 return; 416 } 417 418 free(fun_name); 419 fun->fnode = fnode; 420 421 pci_alloc_resource_list(fun); 422 pci_read_bars(fun); 423 pci_read_interrupt(fun); 424 425 fnode->ops = &pci_fun_ops; 426 fnode->driver_data = fun; 427 428 printf(NAME ": adding new function %s.\n", 429 fnode->name); 430 431 pci_fun_create_match_ids(fun); 432 433 if (ddf_fun_bind(fnode) != EOK) { 434 pci_clean_resource_list(fun); 435 clean_match_ids(&fnode->match_ids); 436 free((char *) fnode->name); 437 fnode->name = NULL; 439 create_pci_dev_name(dev); 440 441 pci_alloc_resource_list(dev); 442 pci_read_bars(dev); 443 pci_read_interrupt(dev); 444 445 dev->ops = &pci_child_ops; 446 447 printf(NAME ": adding new child device %s.\n", 448 dev->name); 449 450 create_pci_match_ids(dev); 451 452 if (child_device_register(dev, parent) != EOK) { 453 pci_clean_resource_list(dev); 454 clean_match_ids(&dev->match_ids); 455 free((char *) dev->name); 456 dev->name = NULL; 438 457 continue; 439 458 } … … 441 460 if (header_type == PCI_HEADER_TYPE_BRIDGE || 442 461 header_type == PCI_HEADER_TYPE_CARDBUS) { 443 child_bus = pci_conf_read_8( fun,462 child_bus = pci_conf_read_8(dev, 444 463 PCI_BRIDGE_SEC_BUS_NUM); 445 464 printf(NAME ": device is pci-to-pci bridge, " 446 465 "secondary bus number = %d.\n", bus_num); 447 466 if (child_bus > bus_num) 448 pci_bus_scan( bus, child_bus);467 pci_bus_scan(parent, child_bus); 449 468 } 450 469 451 fun = pci_fun_new(bus); 470 /* Alloc new aux. dev. structure. */ 471 dev = create_device(); 472 dev_data = create_pci_dev_data(); 473 dev->driver_data = dev_data; 474 dev->parent = parent; 452 475 } 453 476 } 454 477 455 if (fun->vendor_id == 0xffff) { 456 /* Free the auxiliary function structure. */ 457 pci_fun_delete(fun); 458 } 459 } 460 461 static int pci_add_device(ddf_dev_t *dnode) 462 { 463 pci_bus_t *bus = NULL; 464 ddf_fun_t *ctl = NULL; 465 bool got_res = false; 478 if (dev_data->vendor_id == 0xffff) { 479 delete_device(dev); 480 /* Free the auxiliary device structure. */ 481 delete_pci_dev_data(dev_data); 482 } 483 } 484 485 static int pci_add_device(device_t *dev) 486 { 466 487 int rc; 467 488 468 489 printf(NAME ": pci_add_device\n"); 469 dnode->parent_phone = -1; 470 471 bus = pci_bus_new(); 472 if (bus == NULL) { 490 491 pci_bus_data_t *bus_data = create_pci_bus_data(); 492 if (bus_data == NULL) { 473 493 printf(NAME ": pci_add_device allocation failed.\n"); 474 rc = ENOMEM; 475 goto fail; 476 } 477 bus->dnode = dnode; 478 dnode->driver_data = bus; 479 480 dnode->parent_phone = devman_parent_device_connect(dnode->handle, 494 return ENOMEM; 495 } 496 497 dev->parent_phone = devman_parent_device_connect(dev->handle, 481 498 IPC_FLAG_BLOCKING); 482 if (d node->parent_phone < 0) {499 if (dev->parent_phone < 0) { 483 500 printf(NAME ": pci_add_device failed to connect to the " 484 501 "parent's driver.\n"); 485 rc = dnode->parent_phone;486 goto fail;502 delete_pci_bus_data(bus_data); 503 return dev->parent_phone; 487 504 } 488 505 489 506 hw_resource_list_t hw_resources; 490 507 491 rc = hw_res_get_resource_list(d node->parent_phone, &hw_resources);508 rc = hw_res_get_resource_list(dev->parent_phone, &hw_resources); 492 509 if (rc != EOK) { 493 510 printf(NAME ": pci_add_device failed to get hw resources for " 494 511 "the device.\n"); 495 goto fail; 496 } 497 got_res = true; 512 delete_pci_bus_data(bus_data); 513 async_hangup(dev->parent_phone); 514 return rc; 515 } 498 516 499 517 printf(NAME ": conf_addr = %" PRIx64 ".\n", … … 504 522 assert(hw_resources.resources[0].res.io_range.size == 8); 505 523 506 bus ->conf_io_addr =524 bus_data->conf_io_addr = 507 525 (uint32_t) hw_resources.resources[0].res.io_range.address; 508 526 509 if (pio_enable((void *)(uintptr_t)bus ->conf_io_addr, 8,510 &bus ->conf_addr_port)) {527 if (pio_enable((void *)(uintptr_t)bus_data->conf_io_addr, 8, 528 &bus_data->conf_addr_port)) { 511 529 printf(NAME ": failed to enable configuration ports.\n"); 512 rc = EADDRNOTAVAIL; 513 goto fail; 514 } 515 bus->conf_data_port = (char *) bus->conf_addr_port + 4; 516 517 /* Make the bus device more visible. It has no use yet. */ 518 printf(NAME ": adding a 'ctl' function\n"); 519 520 ctl = ddf_fun_create(bus->dnode, fun_exposed, "ctl"); 521 if (ctl == NULL) { 522 printf(NAME ": error creating control function.\n"); 523 rc = ENOMEM; 524 goto fail; 525 } 526 527 rc = ddf_fun_bind(ctl); 528 if (rc != EOK) { 529 printf(NAME ": error binding control function.\n"); 530 goto fail; 531 } 532 533 /* Enumerate functions. */ 530 delete_pci_bus_data(bus_data); 531 async_hangup(dev->parent_phone); 532 hw_res_clean_resource_list(&hw_resources); 533 return EADDRNOTAVAIL; 534 } 535 bus_data->conf_data_port = (char *) bus_data->conf_addr_port + 4; 536 537 dev->driver_data = bus_data; 538 539 /* Enumerate child devices. */ 534 540 printf(NAME ": scanning the bus\n"); 535 pci_bus_scan( bus, 0);541 pci_bus_scan(dev, 0); 536 542 537 543 hw_res_clean_resource_list(&hw_resources); 538 544 539 545 return EOK; 540 541 fail:542 if (bus != NULL)543 pci_bus_delete(bus);544 if (dnode->parent_phone >= 0)545 async_hangup(dnode->parent_phone);546 if (got_res)547 hw_res_clean_resource_list(&hw_resources);548 if (ctl != NULL)549 ddf_fun_destroy(ctl);550 551 return rc;552 546 } 553 547 554 548 static void pciintel_init(void) 555 549 { 556 pci_fun_ops.interfaces[HW_RES_DEV_IFACE] = &pciintel_hw_res_ops; 557 } 558 559 pci_fun_t *pci_fun_new(pci_bus_t *bus) 560 { 561 pci_fun_t *fun; 562 563 fun = (pci_fun_t *) calloc(1, sizeof(pci_fun_t)); 564 if (fun == NULL) 565 return NULL; 566 567 fun->busptr = bus; 568 return fun; 569 } 570 571 void pci_fun_init(pci_fun_t *fun, int bus, int dev, int fn) 572 { 573 fun->bus = bus; 574 fun->dev = dev; 575 fun->fn = fn; 576 } 577 578 void pci_fun_delete(pci_fun_t *fun) 579 { 580 assert(fun != NULL); 581 hw_res_clean_resource_list(&fun->hw_resources); 582 free(fun); 583 } 584 585 char *pci_fun_create_name(pci_fun_t *fun) 586 { 550 pci_child_ops.interfaces[HW_RES_DEV_IFACE] = &pciintel_child_hw_res_ops; 551 } 552 553 pci_dev_data_t *create_pci_dev_data(void) 554 { 555 pci_dev_data_t *res = (pci_dev_data_t *) malloc(sizeof(pci_dev_data_t)); 556 557 if (res != NULL) 558 memset(res, 0, sizeof(pci_dev_data_t)); 559 return res; 560 } 561 562 void init_pci_dev_data(pci_dev_data_t *dev_data, int bus, int dev, int fn) 563 { 564 dev_data->bus = bus; 565 dev_data->dev = dev; 566 dev_data->fn = fn; 567 } 568 569 void delete_pci_dev_data(pci_dev_data_t *dev_data) 570 { 571 if (dev_data != NULL) { 572 hw_res_clean_resource_list(&dev_data->hw_resources); 573 free(dev_data); 574 } 575 } 576 577 void create_pci_dev_name(device_t *dev) 578 { 579 pci_dev_data_t *dev_data = (pci_dev_data_t *) dev->driver_data; 587 580 char *name = NULL; 588 581 589 asprintf(&name, "%02x:%02x.%01x", fun->bus, fun->dev, 590 fun->fn); 591 return name; 592 } 593 594 bool pci_alloc_resource_list(pci_fun_t *fun) 595 { 596 fun->hw_resources.resources = 582 asprintf(&name, "%02x:%02x.%01x", dev_data->bus, dev_data->dev, 583 dev_data->fn); 584 dev->name = name; 585 } 586 587 bool pci_alloc_resource_list(device_t *dev) 588 { 589 pci_dev_data_t *dev_data = (pci_dev_data_t *)dev->driver_data; 590 591 dev_data->hw_resources.resources = 597 592 (hw_resource_t *) malloc(PCI_MAX_HW_RES * sizeof(hw_resource_t)); 598 return fun->hw_resources.resources != NULL; 599 } 600 601 void pci_clean_resource_list(pci_fun_t *fun) 602 { 603 if (fun->hw_resources.resources != NULL) { 604 free(fun->hw_resources.resources); 605 fun->hw_resources.resources = NULL; 606 } 607 } 608 609 /** Read the base address registers (BARs) of the function and add the addresses 610 * to its HW resource list. 593 return dev_data->hw_resources.resources != NULL; 594 } 595 596 void pci_clean_resource_list(device_t *dev) 597 { 598 pci_dev_data_t *dev_data = (pci_dev_data_t *) dev->driver_data; 599 600 if (dev_data->hw_resources.resources != NULL) { 601 free(dev_data->hw_resources.resources); 602 dev_data->hw_resources.resources = NULL; 603 } 604 } 605 606 /** Read the base address registers (BARs) of the device and adds the addresses 607 * to its hw resource list. 611 608 * 612 * @param fun PCI function609 * @param dev the pci device. 613 610 */ 614 void pci_read_bars( pci_fun_t *fun)611 void pci_read_bars(device_t *dev) 615 612 { 616 613 /* … … 621 618 622 619 while (addr <= PCI_BASE_ADDR_5) 623 addr = pci_read_bar( fun, addr);620 addr = pci_read_bar(dev, addr); 624 621 } 625 622 … … 633 630 printf(NAME ": HelenOS pci bus driver (intel method 1).\n"); 634 631 pciintel_init(); 635 return d df_driver_main(&pci_driver);632 return driver_main(&pci_driver); 636 633 } 637 634
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