hw/ipmi/isa_ipmi_kcs.c

   1 /*
   2  * QEMU ISA IPMI KCS 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
  25 #include "qemu/osdep.h"
  26 #include "qemu/log.h"
  27 #include "qemu/module.h"
  28 #include "qapi/error.h"
  29 #include "hw/hw.h"
  30 #include "hw/ipmi/ipmi.h"
  31 #include "hw/isa/isa.h"
  32
  33 #define IPMI_KCS_OBF_BIT        0
  34 #define IPMI_KCS_IBF_BIT        1
  35 #define IPMI_KCS_SMS_ATN_BIT    2
  36 #define IPMI_KCS_CD_BIT         3
  37
  38 #define IPMI_KCS_OBF_MASK          (1 << IPMI_KCS_OBF_BIT)
  39 #define IPMI_KCS_GET_OBF(d)        (((d) >> IPMI_KCS_OBF_BIT) & 0x1)
  40 #define IPMI_KCS_SET_OBF(d, v)     (d) = (((d) & ~IPMI_KCS_OBF_MASK) | \
  41                                        (((v) & 1) << IPMI_KCS_OBF_BIT))
  42 #define IPMI_KCS_IBF_MASK          (1 << IPMI_KCS_IBF_BIT)
  43 #define IPMI_KCS_GET_IBF(d)        (((d) >> IPMI_KCS_IBF_BIT) & 0x1)
  44 #define IPMI_KCS_SET_IBF(d, v)     (d) = (((d) & ~IPMI_KCS_IBF_MASK) | \
  45                                        (((v) & 1) << IPMI_KCS_IBF_BIT))
  46 #define IPMI_KCS_SMS_ATN_MASK      (1 << IPMI_KCS_SMS_ATN_BIT)
  47 #define IPMI_KCS_GET_SMS_ATN(d)    (((d) >> IPMI_KCS_SMS_ATN_BIT) & 0x1)
  48 #define IPMI_KCS_SET_SMS_ATN(d, v) (d) = (((d) & ~IPMI_KCS_SMS_ATN_MASK) | \
  49                                        (((v) & 1) << IPMI_KCS_SMS_ATN_BIT))
  50 #define IPMI_KCS_CD_MASK           (1 << IPMI_KCS_CD_BIT)
  51 #define IPMI_KCS_GET_CD(d)         (((d) >> IPMI_KCS_CD_BIT) & 0x1)
  52 #define IPMI_KCS_SET_CD(d, v)      (d) = (((d) & ~IPMI_KCS_CD_MASK) | \
  53                                        (((v) & 1) << IPMI_KCS_CD_BIT))
  54
  55 #define IPMI_KCS_IDLE_STATE        0
  56 #define IPMI_KCS_READ_STATE        1
  57 #define IPMI_KCS_WRITE_STATE       2
  58 #define IPMI_KCS_ERROR_STATE       3
  59
  60 #define IPMI_KCS_GET_STATE(d)    (((d) >> 6) & 0x3)
  61 #define IPMI_KCS_SET_STATE(d, v) ((d) = ((d) & ~0xc0) | (((v) & 0x3) << 6))
  62
  63 #define IPMI_KCS_ABORT_STATUS_CMD       0x60
  64 #define IPMI_KCS_WRITE_START_CMD        0x61
  65 #define IPMI_KCS_WRITE_END_CMD          0x62
  66 #define IPMI_KCS_READ_CMD               0x68
  67
  68 #define IPMI_KCS_STATUS_NO_ERR          0x00
  69 #define IPMI_KCS_STATUS_ABORTED_ERR     0x01
  70 #define IPMI_KCS_STATUS_BAD_CC_ERR      0x02
  71 #define IPMI_KCS_STATUS_LENGTH_ERR      0x06
  72
  73 typedef struct IPMIKCS {
  74     IPMIBmc *bmc;
  75
  76     bool do_wake;
  77
  78     qemu_irq irq;
  79
  80     uint32_t io_base;
  81     unsigned long io_length;
  82     MemoryRegion io;
  83
  84     bool obf_irq_set;
  85     bool atn_irq_set;
  86     bool use_irq;
  87     bool irqs_enabled;
  88
  89     uint8_t outmsg[MAX_IPMI_MSG_SIZE];
  90     uint32_t outpos;
  91     uint32_t outlen;
  92
  93     uint8_t inmsg[MAX_IPMI_MSG_SIZE];
  94     uint32_t inlen;
  95     bool write_end;
  96
  97     uint8_t status_reg;
  98     uint8_t data_out_reg;
  99
 100     int16_t data_in_reg; /* -1 means not written */
 101     int16_t cmd_reg;
 102
 103     /*
 104      * This is a response number that we send with the command to make
 105      * sure that the response matches the command.
 106      */
 107     uint8_t waiting_rsp;
 108 } IPMIKCS;
 109
 110 #define SET_OBF() \
 111     do {                                                                      \
 112         IPMI_KCS_SET_OBF(ik->status_reg, 1);                                  \
 113         if (ik->use_irq && ik->irqs_enabled && !ik->obf_irq_set) {            \
 114             ik->obf_irq_set = 1;                                              \
 115             if (!ik->atn_irq_set) {                                           \
 116                 qemu_irq_raise(ik->irq);                                      \
 117             }                                                                 \
 118         }                                                                     \
 119     } while (0)
 120
 121 static void ipmi_kcs_signal(IPMIKCS *ik, IPMIInterface *ii)
 122 {
 123     IPMIInterfaceClass *iic = IPMI_INTERFACE_GET_CLASS(ii);
 124
 125     ik->do_wake = 1;
 126     while (ik->do_wake) {
 127         ik->do_wake = 0;
 128         iic->handle_if_event(ii);
 129     }
 130 }
 131
 132 static void ipmi_kcs_handle_event(IPMIInterface *ii)
 133 {
 134     IPMIInterfaceClass *iic = IPMI_INTERFACE_GET_CLASS(ii);
 135     IPMIKCS *ik = iic->get_backend_data(ii);
 136
 137     if (ik->cmd_reg == IPMI_KCS_ABORT_STATUS_CMD) {
 138         if (IPMI_KCS_GET_STATE(ik->status_reg) != IPMI_KCS_ERROR_STATE) {
 139             ik->waiting_rsp++; /* Invalidate the message */
 140             ik->outmsg[0] = IPMI_KCS_STATUS_ABORTED_ERR;
 141             ik->outlen = 1;
 142             ik->outpos = 0;
 143             IPMI_KCS_SET_STATE(ik->status_reg, IPMI_KCS_ERROR_STATE);
 144             SET_OBF();
 145         }
 146         goto out;
 147     }
 148
 149     switch (IPMI_KCS_GET_STATE(ik->status_reg)) {
 150     case IPMI_KCS_IDLE_STATE:
 151         if (ik->cmd_reg == IPMI_KCS_WRITE_START_CMD) {
 152             IPMI_KCS_SET_STATE(ik->status_reg, IPMI_KCS_WRITE_STATE);
 153             ik->cmd_reg = -1;
 154             ik->write_end = 0;
 155             ik->inlen = 0;
 156             SET_OBF();
 157         }
 158         break;
 159
 160     case IPMI_KCS_READ_STATE:
 161     handle_read:
 162         if (ik->outpos >= ik->outlen) {
 163             IPMI_KCS_SET_STATE(ik->status_reg, IPMI_KCS_IDLE_STATE);
 164             SET_OBF();
 165         } else if (ik->data_in_reg == IPMI_KCS_READ_CMD) {
 166             ik->data_out_reg = ik->outmsg[ik->outpos];
 167             ik->outpos++;
 168             SET_OBF();
 169         } else {
 170             ik->outmsg[0] = IPMI_KCS_STATUS_BAD_CC_ERR;
 171             ik->outlen = 1;
 172             ik->outpos = 0;
 173             IPMI_KCS_SET_STATE(ik->status_reg, IPMI_KCS_ERROR_STATE);
 174             SET_OBF();
 175             goto out;
 176         }
 177         break;
 178
 179     case IPMI_KCS_WRITE_STATE:
 180         if (ik->data_in_reg != -1) {
 181             /*
 182              * Don't worry about input overrun here, that will be
 183              * handled in the BMC.
 184              */
 185             if (ik->inlen < sizeof(ik->inmsg)) {
 186                 ik->inmsg[ik->inlen] = ik->data_in_reg;
 187             }
 188             ik->inlen++;
 189         }
 190         if (ik->write_end) {
 191             IPMIBmcClass *bk = IPMI_BMC_GET_CLASS(ik->bmc);
 192             ik->outlen = 0;
 193             ik->write_end = 0;
 194             ik->outpos = 0;
 195             bk->handle_command(ik->bmc, ik->inmsg, ik->inlen, sizeof(ik->inmsg),
 196                                ik->waiting_rsp);
 197             goto out_noibf;
 198         } else if (ik->cmd_reg == IPMI_KCS_WRITE_END_CMD) {
 199             ik->cmd_reg = -1;
 200             ik->write_end = 1;
 201         }
 202         SET_OBF();
 203         break;
 204
 205     case IPMI_KCS_ERROR_STATE:
 206         if (ik->data_in_reg != -1) {
 207             IPMI_KCS_SET_STATE(ik->status_reg, IPMI_KCS_READ_STATE);
 208             ik->data_in_reg = IPMI_KCS_READ_CMD;
 209             goto handle_read;
 210         }
 211         break;
 212     }
 213
 214     if (ik->cmd_reg != -1) {
 215         /* Got an invalid command */
 216         ik->outmsg[0] = IPMI_KCS_STATUS_BAD_CC_ERR;
 217         ik->outlen = 1;
 218         ik->outpos = 0;
 219         IPMI_KCS_SET_STATE(ik->status_reg, IPMI_KCS_ERROR_STATE);
 220     }
 221
 222  out:
 223     ik->cmd_reg = -1;
 224     ik->data_in_reg = -1;
 225     IPMI_KCS_SET_IBF(ik->status_reg, 0);
 226  out_noibf:
 227     return;
 228 }
 229
 230 static void ipmi_kcs_handle_rsp(IPMIInterface *ii, uint8_t msg_id,
 231                                 unsigned char *rsp, unsigned int rsp_len)
 232 {
 233     IPMIInterfaceClass *iic = IPMI_INTERFACE_GET_CLASS(ii);
 234     IPMIKCS *ik = iic->get_backend_data(ii);
 235
 236     if (ik->waiting_rsp == msg_id) {
 237         ik->waiting_rsp++;
 238         if (rsp_len > sizeof(ik->outmsg)) {
 239             ik->outmsg[0] = rsp[0];
 240             ik->outmsg[1] = rsp[1];
 241             ik->outmsg[2] = IPMI_CC_CANNOT_RETURN_REQ_NUM_BYTES;
 242             ik->outlen = 3;
 243         } else {
 244             memcpy(ik->outmsg, rsp, rsp_len);
 245             ik->outlen = rsp_len;
 246         }
 247         IPMI_KCS_SET_STATE(ik->status_reg, IPMI_KCS_READ_STATE);
 248         ik->data_in_reg = IPMI_KCS_READ_CMD;
 249         ipmi_kcs_signal(ik, ii);
 250     }
 251 }
 252
 253
 254 static uint64_t ipmi_kcs_ioport_read(void *opaque, hwaddr addr, unsigned size)
 255 {
 256     IPMIInterface *ii = opaque;
 257     IPMIInterfaceClass *iic = IPMI_INTERFACE_GET_CLASS(ii);
 258     IPMIKCS *ik = iic->get_backend_data(ii);
 259     uint32_t ret;
 260
 261     switch (addr & 1) {
 262     case 0:
 263         ret = ik->data_out_reg;
 264         IPMI_KCS_SET_OBF(ik->status_reg, 0);
 265         if (ik->obf_irq_set) {
 266             ik->obf_irq_set = 0;
 267             if (!ik->atn_irq_set) {
 268                 qemu_irq_lower(ik->irq);
 269             }
 270         }
 271         break;
 272     case 1:
 273         ret = ik->status_reg;
 274         if (ik->atn_irq_set) {
 275             ik->atn_irq_set = 0;
 276             if (!ik->obf_irq_set) {
 277                 qemu_irq_lower(ik->irq);
 278             }
 279         }
 280         break;
 281     }
 282     return ret;
 283 }
 284
 285 static void ipmi_kcs_ioport_write(void *opaque, hwaddr addr, uint64_t val,
 286                                   unsigned size)
 287 {
 288     IPMIInterface *ii = opaque;
 289     IPMIInterfaceClass *iic = IPMI_INTERFACE_GET_CLASS(ii);
 290     IPMIKCS *ik = iic->get_backend_data(ii);
 291
 292     if (IPMI_KCS_GET_IBF(ik->status_reg)) {
 293         return;
 294     }
 295
 296     switch (addr & 1) {
 297     case 0:
 298         ik->data_in_reg = val;
 299         break;
 300
 301     case 1:
 302         ik->cmd_reg = val;
 303         break;
 304     }
 305     IPMI_KCS_SET_IBF(ik->status_reg, 1);
 306     ipmi_kcs_signal(ik, ii);
 307 }
 308
 309 const MemoryRegionOps ipmi_kcs_io_ops = {
 310     .read = ipmi_kcs_ioport_read,
 311     .write = ipmi_kcs_ioport_write,
 312     .impl = {
 313         .min_access_size = 1,
 314         .max_access_size = 1,
 315     },
 316     .endianness = DEVICE_LITTLE_ENDIAN,
 317 };
 318
 319 static void ipmi_kcs_set_atn(IPMIInterface *ii, int val, int irq)
 320 {
 321     IPMIInterfaceClass *iic = IPMI_INTERFACE_GET_CLASS(ii);
 322     IPMIKCS *ik = iic->get_backend_data(ii);
 323
 324     IPMI_KCS_SET_SMS_ATN(ik->status_reg, val);
 325     if (val) {
 326         if (irq && !ik->atn_irq_set && ik->use_irq && ik->irqs_enabled) {
 327             ik->atn_irq_set = 1;
 328             if (!ik->obf_irq_set) {
 329                 qemu_irq_raise(ik->irq);
 330             }
 331         }
 332     } else {
 333         if (ik->atn_irq_set) {
 334             ik->atn_irq_set = 0;
 335             if (!ik->obf_irq_set) {
 336                 qemu_irq_lower(ik->irq);
 337             }
 338         }
 339     }
 340 }
 341
 342 static void ipmi_kcs_set_irq_enable(IPMIInterface *ii, int val)
 343 {
 344     IPMIInterfaceClass *iic = IPMI_INTERFACE_GET_CLASS(ii);
 345     IPMIKCS *ik = iic->get_backend_data(ii);
 346
 347     ik->irqs_enabled = val;
 348 }
 349
 350 static void ipmi_kcs_init(IPMIInterface *ii, Error **errp)
 351 {
 352     IPMIInterfaceClass *iic = IPMI_INTERFACE_GET_CLASS(ii);
 353     IPMIKCS *ik = iic->get_backend_data(ii);
 354
 355     ik->io_length = 2;
 356     memory_region_init_io(&ik->io, NULL, &ipmi_kcs_io_ops, ii, "ipmi-kcs", 2);
 357 }
 358
 359 #define TYPE_ISA_IPMI_KCS "isa-ipmi-kcs"
 360 #define ISA_IPMI_KCS(obj) OBJECT_CHECK(ISAIPMIKCSDevice, (obj), \
 361                                        TYPE_ISA_IPMI_KCS)
 362
 363 typedef struct ISAIPMIKCSDevice {
 364     ISADevice dev;
 365     int32_t isairq;
 366     IPMIKCS kcs;
 367     uint32_t uuid;
 368 } ISAIPMIKCSDevice;
 369
 370 static void ipmi_kcs_get_fwinfo(IPMIInterface *ii, IPMIFwInfo *info)
 371 {
 372     ISAIPMIKCSDevice *iik = ISA_IPMI_KCS(ii);
 373
 374     info->interface_name = "kcs";
 375     info->interface_type = IPMI_SMBIOS_KCS;
 376     info->ipmi_spec_major_revision = 2;
 377     info->ipmi_spec_minor_revision = 0;
 378     info->base_address = iik->kcs.io_base;
 379     info->i2c_slave_address = iik->kcs.bmc->slave_addr;
 380     info->register_length = iik->kcs.io_length;
 381     info->register_spacing = 1;
 382     info->memspace = IPMI_MEMSPACE_IO;
 383     info->irq_type = IPMI_LEVEL_IRQ;
 384     info->interrupt_number = iik->isairq;
 385     info->uuid = iik->uuid;
 386 }
 387
 388 static void ipmi_kcs_class_init(IPMIInterfaceClass *iic)
 389 {
 390     iic->init = ipmi_kcs_init;
 391     iic->set_atn = ipmi_kcs_set_atn;
 392     iic->handle_rsp = ipmi_kcs_handle_rsp;
 393     iic->handle_if_event = ipmi_kcs_handle_event;
 394     iic->set_irq_enable = ipmi_kcs_set_irq_enable;
 395     iic->get_fwinfo = ipmi_kcs_get_fwinfo;
 396 }
 397
 398 static void ipmi_isa_realize(DeviceState *dev, Error **errp)
 399 {
 400     ISADevice *isadev = ISA_DEVICE(dev);
 401     ISAIPMIKCSDevice *iik = ISA_IPMI_KCS(dev);
 402     IPMIInterface *ii = IPMI_INTERFACE(dev);
 403     IPMIInterfaceClass *iic = IPMI_INTERFACE_GET_CLASS(ii);
 404
 405     if (!iik->kcs.bmc) {
 406         error_setg(errp, "IPMI device requires a bmc attribute to be set");
 407         return;
 408     }
 409
 410     iik->uuid = ipmi_next_uuid();
 411
 412     iik->kcs.bmc->intf = ii;
 413
 414     iic->init(ii, errp);
 415     if (*errp)
 416         return;
 417
 418     if (iik->isairq > 0) {
 419         isa_init_irq(isadev, &iik->kcs.irq, iik->isairq);
 420         iik->kcs.use_irq = 1;
 421     }
 422
 423     qdev_set_legacy_instance_id(dev, iik->kcs.io_base, iik->kcs.io_length);
 424
 425     isa_register_ioport(isadev, &iik->kcs.io, iik->kcs.io_base);
 426 }
 427
 428 static int ipmi_kcs_vmstate_post_load(void *opaque, int version)
 429 {
 430     IPMIKCS *ik = opaque;
 431
 432     /* Make sure all the values are sane. */
 433     if (ik->outpos >= MAX_IPMI_MSG_SIZE || ik->outlen >= MAX_IPMI_MSG_SIZE ||
 434         ik->outpos >= ik->outlen) {
 435         qemu_log_mask(LOG_GUEST_ERROR,
 436                       "ipmi:kcs: vmstate transfer received bad out values: %d %d\n",
 437                       ik->outpos, ik->outlen);
 438         ik->outpos = 0;
 439         ik->outlen = 0;
 440     }
 441
 442     if (ik->inlen >= MAX_IPMI_MSG_SIZE) {
 443         qemu_log_mask(LOG_GUEST_ERROR,
 444                       "ipmi:kcs: vmstate transfer received bad in value: %d\n",
 445                       ik->inlen);
 446         ik->inlen = 0;
 447     }
 448
 449     return 0;
 450 }
 451
 452 static bool vmstate_kcs_before_version2(void *opaque, int version)
 453 {
 454     return version <= 1;
 455 }
 456
 457 static const VMStateDescription vmstate_IPMIKCS = {
 458     .name = TYPE_IPMI_INTERFACE_PREFIX "kcs",
 459     .version_id = 2,
 460     .minimum_version_id = 1,
 461     .post_load = ipmi_kcs_vmstate_post_load,
 462     .fields      = (VMStateField[]) {
 463         VMSTATE_BOOL(obf_irq_set, IPMIKCS),
 464         VMSTATE_BOOL(atn_irq_set, IPMIKCS),
 465         VMSTATE_UNUSED_TEST(vmstate_kcs_before_version2, 1), /* Was use_irq */
 466         VMSTATE_BOOL(irqs_enabled, IPMIKCS),
 467         VMSTATE_UINT32(outpos, IPMIKCS),
 468         VMSTATE_UINT32_V(outlen, IPMIKCS, 2),
 469         VMSTATE_UINT8_ARRAY(outmsg, IPMIKCS, MAX_IPMI_MSG_SIZE),
 470         VMSTATE_UINT32_V(inlen, IPMIKCS, 2),
 471         VMSTATE_UINT8_ARRAY(inmsg, IPMIKCS, MAX_IPMI_MSG_SIZE),
 472         VMSTATE_BOOL(write_end, IPMIKCS),
 473         VMSTATE_UINT8(status_reg, IPMIKCS),
 474         VMSTATE_UINT8(data_out_reg, IPMIKCS),
 475         VMSTATE_INT16(data_in_reg, IPMIKCS),
 476         VMSTATE_INT16(cmd_reg, IPMIKCS),
 477         VMSTATE_UINT8(waiting_rsp, IPMIKCS),
 478         VMSTATE_END_OF_LIST()
 479     }
 480 };
 481
 482 static const VMStateDescription vmstate_ISAIPMIKCSDevice = {
 483     .name = TYPE_IPMI_INTERFACE,
 484     .version_id = 2,
 485     .minimum_version_id = 1,
 486     .fields      = (VMStateField[]) {
 487         VMSTATE_VSTRUCT_TEST(kcs, ISAIPMIKCSDevice, vmstate_kcs_before_version2,
 488                              0, vmstate_IPMIKCS, IPMIKCS, 1),
 489         VMSTATE_VSTRUCT_V(kcs, ISAIPMIKCSDevice, 2, vmstate_IPMIKCS,
 490                           IPMIKCS, 2),
 491         VMSTATE_END_OF_LIST()
 492     }
 493 };
 494
 495 static void isa_ipmi_kcs_init(Object *obj)
 496 {
 497     ISAIPMIKCSDevice *iik = ISA_IPMI_KCS(obj);
 498
 499     ipmi_bmc_find_and_link(obj, (Object **) &iik->kcs.bmc);
 500
 501     /*
 502      * Version 1 had an incorrect name, it clashed with the BT
 503      * IPMI device, so receive it, but transmit a different
 504      * version.
 505      */
 506     vmstate_register(NULL, 0, &vmstate_ISAIPMIKCSDevice, iik);
 507 }
 508
 509 static void *isa_ipmi_kcs_get_backend_data(IPMIInterface *ii)
 510 {
 511     ISAIPMIKCSDevice *iik = ISA_IPMI_KCS(ii);
 512
 513     return &iik->kcs;
 514 }
 515
 516 static Property ipmi_isa_properties[] = {
 517     DEFINE_PROP_UINT32("ioport", ISAIPMIKCSDevice, kcs.io_base,  0xca2),
 518     DEFINE_PROP_INT32("irq",   ISAIPMIKCSDevice, isairq,  5),
 519     DEFINE_PROP_END_OF_LIST(),
 520 };
 521
 522 static void isa_ipmi_kcs_class_init(ObjectClass *oc, void *data)
 523 {
 524     DeviceClass *dc = DEVICE_CLASS(oc);
 525     IPMIInterfaceClass *iic = IPMI_INTERFACE_CLASS(oc);
 526
 527     dc->realize = ipmi_isa_realize;
 528     dc->props = ipmi_isa_properties;
 529
 530     iic->get_backend_data = isa_ipmi_kcs_get_backend_data;
 531     ipmi_kcs_class_init(iic);
 532 }
 533
 534 static const TypeInfo isa_ipmi_kcs_info = {
 535     .name          = TYPE_ISA_IPMI_KCS,
 536     .parent        = TYPE_ISA_DEVICE,
 537     .instance_size = sizeof(ISAIPMIKCSDevice),
 538     .instance_init = isa_ipmi_kcs_init,
 539     .class_init    = isa_ipmi_kcs_class_init,
 540     .interfaces = (InterfaceInfo[]) {
 541         { TYPE_IPMI_INTERFACE },
 542         { }
 543     }
 544 };
 545
 546 static void ipmi_register_types(void)
 547 {
 548     type_register_static(&isa_ipmi_kcs_info);
 549 }
 550
 551 type_init(ipmi_register_types)