static void ipmi_bmc_extern_init(Object *obj)
{
IPMIBmcExtern *ibe = IPMI_BMC_EXTERN(obj);
ibe->extern_timer = timer_new_ns(QEMU_CLOCK_VIRTUAL, extern_timeout, ibe);
vmstate_register(NULL, 0, &vmstate_ipmi_bmc_extern, ibe);
}
static void ipmi_bmc_extern_handle_reset(IPMIBmc *b)
{
IPMIBmcExtern *ibe = IPMI_BMC_EXTERN(b);
ibe->send_reset = true;
continue_send(ibe);
}
static void ipmi_bmc_extern_finalize(Object *obj)
{
IPMIBmcExtern *ibe = IPMI_BMC_EXTERN(obj);
timer_del(ibe->extern_timer);
timer_free(ibe->extern_timer);
}
static void ipmi_bmc_extern_realize(DeviceState *dev, Error **errp)
{
IPMIBmcExtern *ibe = IPMI_BMC_EXTERN(dev);
if (!ibe->chr) {
error_setg(errp, "IPMI external bmc requires chardev attribute");
return;
}
qemu_chr_add_handlers(ibe->chr, can_receive, receive, chr_event, ibe);
}
static void ipmi_bmc_extern_realize(DeviceState *dev, Error **errp)
{
IPMIBmcExtern *ibe = IPMI_BMC_EXTERN(dev);
if (!qemu_chr_fe_backend_connected(&ibe->chr)) {
error_setg(errp, "IPMI external bmc requires chardev attribute");
return;
}
qemu_chr_fe_set_handlers(&ibe->chr, can_receive, receive,
chr_event, NULL, ibe, NULL, true);
}
static void ipmi_bmc_extern_handle_command(IPMIBmc *b,
uint8_t *cmd, unsigned int cmd_len,
unsigned int max_cmd_len,
uint8_t msg_id)
{
IPMIBmcExtern *ibe = IPMI_BMC_EXTERN(b);
IPMIInterface *s = ibe->parent.intf;
uint8_t err = 0, csum;
unsigned int i;
if (ibe->outlen) {
/* We already have a command queued. Shouldn't ever happen. */
fprintf(stderr, "IPMI KCS: Got command when not finished with the"
" previous commmand\n");
abort();
}
/* If it's too short or it was truncated, return an error. */
if (cmd_len < 2) {
err = IPMI_CC_REQUEST_DATA_LENGTH_INVALID;
} else if ((cmd_len > max_cmd_len) || (cmd_len > MAX_IPMI_MSG_SIZE)) {
err = IPMI_CC_REQUEST_DATA_TRUNCATED;
} else if (!ibe->connected) {
err = IPMI_CC_BMC_INIT_IN_PROGRESS;
}
if (err) {
IPMIInterfaceClass *k = IPMI_INTERFACE_GET_CLASS(s);
unsigned char rsp[3];
rsp[0] = cmd[0] | 0x04;
rsp[1] = cmd[1];
rsp[2] = err;
ibe->waiting_rsp = false;
k->handle_rsp(s, msg_id, rsp, 3);
goto out;
}
addchar(ibe, msg_id);
for (i = 0; i < cmd_len; i++) {
addchar(ibe, cmd[i]);
}
csum = ipmb_checksum(&msg_id, 1, 0);
addchar(ibe, -ipmb_checksum(cmd, cmd_len, csum));
ibe->outbuf[ibe->outlen] = VM_MSG_CHAR;
ibe->outlen++;
/* Start the transmit */
continue_send(ibe);
out:
return;
}
