1 /* 2 * QEMU ISA IPMI BT emulation 3 * 4 * Copyright (c) 2015 Corey Minyard, MontaVista Software, LLC 5 * 6 * Permission is hereby granted, free of charge, to any person obtaining a copy 7 * of this software and associated documentation files (the "Software"), to deal 8 * in the Software without restriction, including without limitation the rights 9 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell 10 * copies of the Software, and to permit persons to whom the Software is 11 * furnished to do so, subject to the following conditions: 12 * 13 * The above copyright notice and this permission notice shall be included in 14 * all copies or substantial portions of the Software. 15 * 16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 19 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, 21 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN 22 * THE SOFTWARE. 23 */ 24 #include "qemu/osdep.h" 25 #include "qapi/error.h" 26 #include "hw/hw.h" 27 #include "hw/ipmi/ipmi.h" 28 #include "hw/isa/isa.h" 29 #include "hw/i386/pc.h" 30 31 /* Control register */ 32 #define IPMI_BT_CLR_WR_BIT 0 33 #define IPMI_BT_CLR_RD_BIT 1 34 #define IPMI_BT_H2B_ATN_BIT 2 35 #define IPMI_BT_B2H_ATN_BIT 3 36 #define IPMI_BT_SMS_ATN_BIT 4 37 #define IPMI_BT_HBUSY_BIT 6 38 #define IPMI_BT_BBUSY_BIT 7 39 40 #define IPMI_BT_CLR_WR_MASK (1 << IPMI_BT_CLR_WR_BIT) 41 #define IPMI_BT_GET_CLR_WR(d) (((d) >> IPMI_BT_CLR_WR_BIT) & 0x1) 42 #define IPMI_BT_SET_CLR_WR(d, v) (d) = (((d) & ~IPMI_BT_CLR_WR_MASK) | \ 43 (((v & 1) << IPMI_BT_CLR_WR_BIT))) 44 45 #define IPMI_BT_CLR_RD_MASK (1 << IPMI_BT_CLR_RD_BIT) 46 #define IPMI_BT_GET_CLR_RD(d) (((d) >> IPMI_BT_CLR_RD_BIT) & 0x1) 47 #define IPMI_BT_SET_CLR_RD(d, v) (d) = (((d) & ~IPMI_BT_CLR_RD_MASK) | \ 48 (((v & 1) << IPMI_BT_CLR_RD_BIT))) 49 50 #define IPMI_BT_H2B_ATN_MASK (1 << IPMI_BT_H2B_ATN_BIT) 51 #define IPMI_BT_GET_H2B_ATN(d) (((d) >> IPMI_BT_H2B_ATN_BIT) & 0x1) 52 #define IPMI_BT_SET_H2B_ATN(d, v) (d) = (((d) & ~IPMI_BT_H2B_ATN_MASK) | \ 53 (((v & 1) << IPMI_BT_H2B_ATN_BIT))) 54 55 #define IPMI_BT_B2H_ATN_MASK (1 << IPMI_BT_B2H_ATN_BIT) 56 #define IPMI_BT_GET_B2H_ATN(d) (((d) >> IPMI_BT_B2H_ATN_BIT) & 0x1) 57 #define IPMI_BT_SET_B2H_ATN(d, v) (d) = (((d) & ~IPMI_BT_B2H_ATN_MASK) | \ 58 (((v & 1) << IPMI_BT_B2H_ATN_BIT))) 59 60 #define IPMI_BT_SMS_ATN_MASK (1 << IPMI_BT_SMS_ATN_BIT) 61 #define IPMI_BT_GET_SMS_ATN(d) (((d) >> IPMI_BT_SMS_ATN_BIT) & 0x1) 62 #define IPMI_BT_SET_SMS_ATN(d, v) (d) = (((d) & ~IPMI_BT_SMS_ATN_MASK) | \ 63 (((v & 1) << IPMI_BT_SMS_ATN_BIT))) 64 65 #define IPMI_BT_HBUSY_MASK (1 << IPMI_BT_HBUSY_BIT) 66 #define IPMI_BT_GET_HBUSY(d) (((d) >> IPMI_BT_HBUSY_BIT) & 0x1) 67 #define IPMI_BT_SET_HBUSY(d, v) (d) = (((d) & ~IPMI_BT_HBUSY_MASK) | \ 68 (((v & 1) << IPMI_BT_HBUSY_BIT))) 69 70 #define IPMI_BT_BBUSY_MASK (1 << IPMI_BT_BBUSY_BIT) 71 #define IPMI_BT_GET_BBUSY(d) (((d) >> IPMI_BT_BBUSY_BIT) & 0x1) 72 #define IPMI_BT_SET_BBUSY(d, v) (d) = (((d) & ~IPMI_BT_BBUSY_MASK) | \ 73 (((v & 1) << IPMI_BT_BBUSY_BIT))) 74 75 76 /* Mask register */ 77 #define IPMI_BT_B2H_IRQ_EN_BIT 0 78 #define IPMI_BT_B2H_IRQ_BIT 1 79 80 #define IPMI_BT_B2H_IRQ_EN_MASK (1 << IPMI_BT_B2H_IRQ_EN_BIT) 81 #define IPMI_BT_GET_B2H_IRQ_EN(d) (((d) >> IPMI_BT_B2H_IRQ_EN_BIT) & 0x1) 82 #define IPMI_BT_SET_B2H_IRQ_EN(d, v) (d) = (((d) & ~IPMI_BT_B2H_IRQ_EN_MASK) | \ 83 (((v & 1) << IPMI_BT_B2H_IRQ_EN_BIT))) 84 85 #define IPMI_BT_B2H_IRQ_MASK (1 << IPMI_BT_B2H_IRQ_BIT) 86 #define IPMI_BT_GET_B2H_IRQ(d) (((d) >> IPMI_BT_B2H_IRQ_BIT) & 0x1) 87 #define IPMI_BT_SET_B2H_IRQ(d, v) (d) = (((d) & ~IPMI_BT_B2H_IRQ_MASK) | \ 88 (((v & 1) << IPMI_BT_B2H_IRQ_BIT))) 89 90 typedef struct IPMIBT { 91 IPMIBmc *bmc; 92 93 bool do_wake; 94 95 qemu_irq irq; 96 97 uint32_t io_base; 98 unsigned long io_length; 99 MemoryRegion io; 100 101 bool obf_irq_set; 102 bool atn_irq_set; 103 bool use_irq; 104 bool irqs_enabled; 105 106 uint8_t outmsg[MAX_IPMI_MSG_SIZE]; 107 uint32_t outpos; 108 uint32_t outlen; 109 110 uint8_t inmsg[MAX_IPMI_MSG_SIZE]; 111 uint32_t inlen; 112 113 uint8_t control_reg; 114 uint8_t mask_reg; 115 116 /* 117 * This is a response number that we send with the command to make 118 * sure that the response matches the command. 119 */ 120 uint8_t waiting_rsp; 121 uint8_t waiting_seq; 122 } IPMIBT; 123 124 #define IPMI_CMD_GET_BT_INTF_CAP 0x36 125 126 static void ipmi_bt_handle_event(IPMIInterface *ii) 127 { 128 IPMIInterfaceClass *iic = IPMI_INTERFACE_GET_CLASS(ii); 129 IPMIBT *ib = iic->get_backend_data(ii); 130 131 if (ib->inlen < 4) { 132 goto out; 133 } 134 /* Note that overruns are handled by handle_command */ 135 if (ib->inmsg[0] != (ib->inlen - 1)) { 136 /* Length mismatch, just ignore. */ 137 IPMI_BT_SET_BBUSY(ib->control_reg, 1); 138 ib->inlen = 0; 139 goto out; 140 } 141 if ((ib->inmsg[1] == (IPMI_NETFN_APP << 2)) && 142 (ib->inmsg[3] == IPMI_CMD_GET_BT_INTF_CAP)) { 143 /* We handle this one ourselves. */ 144 ib->outmsg[0] = 9; 145 ib->outmsg[1] = ib->inmsg[1] | 0x04; 146 ib->outmsg[2] = ib->inmsg[2]; 147 ib->outmsg[3] = ib->inmsg[3]; 148 ib->outmsg[4] = 0; 149 ib->outmsg[5] = 1; /* Only support 1 outstanding request. */ 150 if (sizeof(ib->inmsg) > 0xff) { /* Input buffer size */ 151 ib->outmsg[6] = 0xff; 152 } else { 153 ib->outmsg[6] = (unsigned char) sizeof(ib->inmsg); 154 } 155 if (sizeof(ib->outmsg) > 0xff) { /* Output buffer size */ 156 ib->outmsg[7] = 0xff; 157 } else { 158 ib->outmsg[7] = (unsigned char) sizeof(ib->outmsg); 159 } 160 ib->outmsg[8] = 10; /* Max request to response time */ 161 ib->outmsg[9] = 0; /* Don't recommend retries */ 162 ib->outlen = 10; 163 IPMI_BT_SET_BBUSY(ib->control_reg, 0); 164 IPMI_BT_SET_B2H_ATN(ib->control_reg, 1); 165 if (ib->use_irq && ib->irqs_enabled && 166 !IPMI_BT_GET_B2H_IRQ(ib->mask_reg) && 167 IPMI_BT_GET_B2H_IRQ_EN(ib->mask_reg)) { 168 IPMI_BT_SET_B2H_IRQ(ib->mask_reg, 1); 169 qemu_irq_raise(ib->irq); 170 } 171 goto out; 172 } 173 ib->waiting_seq = ib->inmsg[2]; 174 ib->inmsg[2] = ib->inmsg[1]; 175 { 176 IPMIBmcClass *bk = IPMI_BMC_GET_CLASS(ib->bmc); 177 bk->handle_command(ib->bmc, ib->inmsg + 2, ib->inlen - 2, 178 sizeof(ib->inmsg), ib->waiting_rsp); 179 } 180 out: 181 return; 182 } 183 184 static void ipmi_bt_handle_rsp(IPMIInterface *ii, uint8_t msg_id, 185 unsigned char *rsp, unsigned int rsp_len) 186 { 187 IPMIInterfaceClass *iic = IPMI_INTERFACE_GET_CLASS(ii); 188 IPMIBT *ib = iic->get_backend_data(ii); 189 190 if (ib->waiting_rsp == msg_id) { 191 ib->waiting_rsp++; 192 if (rsp_len > (sizeof(ib->outmsg) - 2)) { 193 ib->outmsg[0] = 4; 194 ib->outmsg[1] = rsp[0]; 195 ib->outmsg[2] = ib->waiting_seq; 196 ib->outmsg[3] = rsp[1]; 197 ib->outmsg[4] = IPMI_CC_CANNOT_RETURN_REQ_NUM_BYTES; 198 ib->outlen = 5; 199 } else { 200 ib->outmsg[0] = rsp_len + 1; 201 ib->outmsg[1] = rsp[0]; 202 ib->outmsg[2] = ib->waiting_seq; 203 memcpy(ib->outmsg + 3, rsp + 1, rsp_len - 1); 204 ib->outlen = rsp_len + 2; 205 } 206 IPMI_BT_SET_BBUSY(ib->control_reg, 0); 207 IPMI_BT_SET_B2H_ATN(ib->control_reg, 1); 208 if (ib->use_irq && ib->irqs_enabled && 209 !IPMI_BT_GET_B2H_IRQ(ib->mask_reg) && 210 IPMI_BT_GET_B2H_IRQ_EN(ib->mask_reg)) { 211 IPMI_BT_SET_B2H_IRQ(ib->mask_reg, 1); 212 qemu_irq_raise(ib->irq); 213 } 214 } 215 } 216 217 218 static uint64_t ipmi_bt_ioport_read(void *opaque, hwaddr addr, unsigned size) 219 { 220 IPMIInterface *ii = opaque; 221 IPMIInterfaceClass *iic = IPMI_INTERFACE_GET_CLASS(ii); 222 IPMIBT *ib = iic->get_backend_data(ii); 223 uint32_t ret = 0xff; 224 225 switch (addr & 3) { 226 case 0: 227 ret = ib->control_reg; 228 break; 229 case 1: 230 if (ib->outpos < ib->outlen) { 231 ret = ib->outmsg[ib->outpos]; 232 ib->outpos++; 233 if (ib->outpos == ib->outlen) { 234 ib->outpos = 0; 235 ib->outlen = 0; 236 } 237 } else { 238 ret = 0xff; 239 } 240 break; 241 case 2: 242 ret = ib->mask_reg; 243 break; 244 } 245 return ret; 246 } 247 248 static void ipmi_bt_signal(IPMIBT *ib, IPMIInterface *ii) 249 { 250 IPMIInterfaceClass *iic = IPMI_INTERFACE_GET_CLASS(ii); 251 252 ib->do_wake = 1; 253 while (ib->do_wake) { 254 ib->do_wake = 0; 255 iic->handle_if_event(ii); 256 } 257 } 258 259 static void ipmi_bt_ioport_write(void *opaque, hwaddr addr, uint64_t val, 260 unsigned size) 261 { 262 IPMIInterface *ii = opaque; 263 IPMIInterfaceClass *iic = IPMI_INTERFACE_GET_CLASS(ii); 264 IPMIBT *ib = iic->get_backend_data(ii); 265 266 switch (addr & 3) { 267 case 0: 268 if (IPMI_BT_GET_CLR_WR(val)) { 269 ib->inlen = 0; 270 } 271 if (IPMI_BT_GET_CLR_RD(val)) { 272 ib->outpos = 0; 273 } 274 if (IPMI_BT_GET_B2H_ATN(val)) { 275 IPMI_BT_SET_B2H_ATN(ib->control_reg, 0); 276 } 277 if (IPMI_BT_GET_SMS_ATN(val)) { 278 IPMI_BT_SET_SMS_ATN(ib->control_reg, 0); 279 } 280 if (IPMI_BT_GET_HBUSY(val)) { 281 /* Toggle */ 282 IPMI_BT_SET_HBUSY(ib->control_reg, 283 !IPMI_BT_GET_HBUSY(ib->control_reg)); 284 } 285 if (IPMI_BT_GET_H2B_ATN(val)) { 286 IPMI_BT_SET_BBUSY(ib->control_reg, 1); 287 ipmi_bt_signal(ib, ii); 288 } 289 break; 290 291 case 1: 292 if (ib->inlen < sizeof(ib->inmsg)) { 293 ib->inmsg[ib->inlen] = val; 294 } 295 ib->inlen++; 296 break; 297 298 case 2: 299 if (IPMI_BT_GET_B2H_IRQ_EN(val) != 300 IPMI_BT_GET_B2H_IRQ_EN(ib->mask_reg)) { 301 if (IPMI_BT_GET_B2H_IRQ_EN(val)) { 302 if (IPMI_BT_GET_B2H_ATN(ib->control_reg) || 303 IPMI_BT_GET_SMS_ATN(ib->control_reg)) { 304 IPMI_BT_SET_B2H_IRQ(ib->mask_reg, 1); 305 qemu_irq_raise(ib->irq); 306 } 307 IPMI_BT_SET_B2H_IRQ_EN(ib->mask_reg, 1); 308 } else { 309 if (IPMI_BT_GET_B2H_IRQ(ib->mask_reg)) { 310 IPMI_BT_SET_B2H_IRQ(ib->mask_reg, 0); 311 qemu_irq_lower(ib->irq); 312 } 313 IPMI_BT_SET_B2H_IRQ_EN(ib->mask_reg, 0); 314 } 315 } 316 if (IPMI_BT_GET_B2H_IRQ(val) && IPMI_BT_GET_B2H_IRQ(ib->mask_reg)) { 317 IPMI_BT_SET_B2H_IRQ(ib->mask_reg, 0); 318 qemu_irq_lower(ib->irq); 319 } 320 break; 321 } 322 } 323 324 static const MemoryRegionOps ipmi_bt_io_ops = { 325 .read = ipmi_bt_ioport_read, 326 .write = ipmi_bt_ioport_write, 327 .impl = { 328 .min_access_size = 1, 329 .max_access_size = 1, 330 }, 331 .endianness = DEVICE_LITTLE_ENDIAN, 332 }; 333 334 static void ipmi_bt_set_atn(IPMIInterface *ii, int val, int irq) 335 { 336 IPMIInterfaceClass *iic = IPMI_INTERFACE_GET_CLASS(ii); 337 IPMIBT *ib = iic->get_backend_data(ii); 338 339 if (!!val == IPMI_BT_GET_SMS_ATN(ib->control_reg)) { 340 return; 341 } 342 343 IPMI_BT_SET_SMS_ATN(ib->control_reg, val); 344 if (val) { 345 if (irq && ib->use_irq && ib->irqs_enabled && 346 !IPMI_BT_GET_B2H_ATN(ib->control_reg) && 347 IPMI_BT_GET_B2H_IRQ_EN(ib->mask_reg)) { 348 IPMI_BT_SET_B2H_IRQ(ib->mask_reg, 1); 349 qemu_irq_raise(ib->irq); 350 } 351 } else { 352 if (!IPMI_BT_GET_B2H_ATN(ib->control_reg) && 353 IPMI_BT_GET_B2H_IRQ(ib->mask_reg)) { 354 IPMI_BT_SET_B2H_IRQ(ib->mask_reg, 0); 355 qemu_irq_lower(ib->irq); 356 } 357 } 358 } 359 360 static void ipmi_bt_handle_reset(IPMIInterface *ii, bool is_cold) 361 { 362 IPMIInterfaceClass *iic = IPMI_INTERFACE_GET_CLASS(ii); 363 IPMIBT *ib = iic->get_backend_data(ii); 364 365 if (is_cold) { 366 /* Disable the BT interrupt on reset */ 367 if (IPMI_BT_GET_B2H_IRQ(ib->mask_reg)) { 368 IPMI_BT_SET_B2H_IRQ(ib->mask_reg, 0); 369 qemu_irq_lower(ib->irq); 370 } 371 IPMI_BT_SET_B2H_IRQ_EN(ib->mask_reg, 0); 372 } 373 } 374 375 static void ipmi_bt_set_irq_enable(IPMIInterface *ii, int val) 376 { 377 IPMIInterfaceClass *iic = IPMI_INTERFACE_GET_CLASS(ii); 378 IPMIBT *ib = iic->get_backend_data(ii); 379 380 ib->irqs_enabled = val; 381 } 382 383 static void ipmi_bt_init(IPMIInterface *ii, Error **errp) 384 { 385 IPMIInterfaceClass *iic = IPMI_INTERFACE_GET_CLASS(ii); 386 IPMIBT *ib = iic->get_backend_data(ii); 387 388 ib->io_length = 3; 389 390 memory_region_init_io(&ib->io, NULL, &ipmi_bt_io_ops, ii, "ipmi-bt", 3); 391 } 392 393 394 #define TYPE_ISA_IPMI_BT "isa-ipmi-bt" 395 #define ISA_IPMI_BT(obj) OBJECT_CHECK(ISAIPMIBTDevice, (obj), \ 396 TYPE_ISA_IPMI_BT) 397 398 typedef struct ISAIPMIBTDevice { 399 ISADevice dev; 400 int32_t isairq; 401 IPMIBT bt; 402 uint32_t uuid; 403 } ISAIPMIBTDevice; 404 405 static void ipmi_bt_get_fwinfo(struct IPMIInterface *ii, IPMIFwInfo *info) 406 { 407 ISAIPMIBTDevice *iib = ISA_IPMI_BT(ii); 408 409 info->interface_name = "bt"; 410 info->interface_type = IPMI_SMBIOS_BT; 411 info->ipmi_spec_major_revision = 2; 412 info->ipmi_spec_minor_revision = 0; 413 info->base_address = iib->bt.io_base; 414 info->register_length = iib->bt.io_length; 415 info->register_spacing = 1; 416 info->memspace = IPMI_MEMSPACE_IO; 417 info->irq_type = IPMI_LEVEL_IRQ; 418 info->interrupt_number = iib->isairq; 419 info->i2c_slave_address = iib->bt.bmc->slave_addr; 420 info->uuid = iib->uuid; 421 } 422 423 static void ipmi_bt_class_init(IPMIInterfaceClass *iic) 424 { 425 iic->init = ipmi_bt_init; 426 iic->set_atn = ipmi_bt_set_atn; 427 iic->handle_rsp = ipmi_bt_handle_rsp; 428 iic->handle_if_event = ipmi_bt_handle_event; 429 iic->set_irq_enable = ipmi_bt_set_irq_enable; 430 iic->reset = ipmi_bt_handle_reset; 431 iic->get_fwinfo = ipmi_bt_get_fwinfo; 432 } 433 434 static void isa_ipmi_bt_realize(DeviceState *dev, Error **errp) 435 { 436 ISADevice *isadev = ISA_DEVICE(dev); 437 ISAIPMIBTDevice *iib = ISA_IPMI_BT(dev); 438 IPMIInterface *ii = IPMI_INTERFACE(dev); 439 IPMIInterfaceClass *iic = IPMI_INTERFACE_GET_CLASS(ii); 440 441 if (!iib->bt.bmc) { 442 error_setg(errp, "IPMI device requires a bmc attribute to be set"); 443 return; 444 } 445 446 iib->uuid = ipmi_next_uuid(); 447 448 iib->bt.bmc->intf = ii; 449 450 iic->init(ii, errp); 451 if (*errp) 452 return; 453 454 if (iib->isairq > 0) { 455 isa_init_irq(isadev, &iib->bt.irq, iib->isairq); 456 iib->bt.use_irq = 1; 457 } 458 459 qdev_set_legacy_instance_id(dev, iib->bt.io_base, iib->bt.io_length); 460 461 isa_register_ioport(isadev, &iib->bt.io, iib->bt.io_base); 462 } 463 464 static const VMStateDescription vmstate_ISAIPMIBTDevice = { 465 .name = TYPE_IPMI_INTERFACE, 466 .version_id = 1, 467 .minimum_version_id = 1, 468 .fields = (VMStateField[]) { 469 VMSTATE_BOOL(bt.obf_irq_set, ISAIPMIBTDevice), 470 VMSTATE_BOOL(bt.atn_irq_set, ISAIPMIBTDevice), 471 VMSTATE_BOOL(bt.use_irq, ISAIPMIBTDevice), 472 VMSTATE_BOOL(bt.irqs_enabled, ISAIPMIBTDevice), 473 VMSTATE_UINT32(bt.outpos, ISAIPMIBTDevice), 474 VMSTATE_VBUFFER_UINT32(bt.outmsg, ISAIPMIBTDevice, 1, NULL, bt.outlen), 475 VMSTATE_VBUFFER_UINT32(bt.inmsg, ISAIPMIBTDevice, 1, NULL, bt.inlen), 476 VMSTATE_UINT8(bt.control_reg, ISAIPMIBTDevice), 477 VMSTATE_UINT8(bt.mask_reg, ISAIPMIBTDevice), 478 VMSTATE_UINT8(bt.waiting_rsp, ISAIPMIBTDevice), 479 VMSTATE_UINT8(bt.waiting_seq, ISAIPMIBTDevice), 480 VMSTATE_END_OF_LIST() 481 } 482 }; 483 484 static void isa_ipmi_bt_init(Object *obj) 485 { 486 ISAIPMIBTDevice *iib = ISA_IPMI_BT(obj); 487 488 ipmi_bmc_find_and_link(obj, (Object **) &iib->bt.bmc); 489 490 vmstate_register(NULL, 0, &vmstate_ISAIPMIBTDevice, iib); 491 } 492 493 static void *isa_ipmi_bt_get_backend_data(IPMIInterface *ii) 494 { 495 ISAIPMIBTDevice *iib = ISA_IPMI_BT(ii); 496 497 return &iib->bt; 498 } 499 500 static Property ipmi_isa_properties[] = { 501 DEFINE_PROP_UINT32("ioport", ISAIPMIBTDevice, bt.io_base, 0xe4), 502 DEFINE_PROP_INT32("irq", ISAIPMIBTDevice, isairq, 5), 503 DEFINE_PROP_END_OF_LIST(), 504 }; 505 506 static void isa_ipmi_bt_class_init(ObjectClass *oc, void *data) 507 { 508 DeviceClass *dc = DEVICE_CLASS(oc); 509 IPMIInterfaceClass *iic = IPMI_INTERFACE_CLASS(oc); 510 511 dc->realize = isa_ipmi_bt_realize; 512 dc->props = ipmi_isa_properties; 513 514 iic->get_backend_data = isa_ipmi_bt_get_backend_data; 515 ipmi_bt_class_init(iic); 516 } 517 518 static const TypeInfo isa_ipmi_bt_info = { 519 .name = TYPE_ISA_IPMI_BT, 520 .parent = TYPE_ISA_DEVICE, 521 .instance_size = sizeof(ISAIPMIBTDevice), 522 .instance_init = isa_ipmi_bt_init, 523 .class_init = isa_ipmi_bt_class_init, 524 .interfaces = (InterfaceInfo[]) { 525 { TYPE_IPMI_INTERFACE }, 526 { } 527 } 528 }; 529 530 static void ipmi_register_types(void) 531 { 532 type_register_static(&isa_ipmi_bt_info); 533 } 534 535 type_init(ipmi_register_types) 536