static void chr_event(void *opaque, int event)
{
IPMIBmcExtern *ibe = opaque;
IPMIInterface *s = ibe->parent.intf;
IPMIInterfaceClass *k = IPMI_INTERFACE_GET_CLASS(s);
unsigned char v;
switch (event) {
case CHR_EVENT_OPENED:
ibe->connected = true;
ibe->outpos = 0;
ibe->outlen = 0;
addchar(ibe, VM_CMD_VERSION);
addchar(ibe, VM_PROTOCOL_VERSION);
ibe->outbuf[ibe->outlen] = VM_CMD_CHAR;
ibe->outlen++;
addchar(ibe, VM_CMD_CAPABILITIES);
v = VM_CAPABILITIES_IRQ | VM_CAPABILITIES_ATTN;
if (k->do_hw_op(ibe->parent.intf, IPMI_POWEROFF_CHASSIS, 1) == 0) {
v |= VM_CAPABILITIES_POWER;
}
if (k->do_hw_op(ibe->parent.intf, IPMI_SHUTDOWN_VIA_ACPI_OVERTEMP, 1)
== 0) {
v |= VM_CAPABILITIES_GRACEFUL_SHUTDOWN;
}
if (k->do_hw_op(ibe->parent.intf, IPMI_RESET_CHASSIS, 1) == 0) {
v |= VM_CAPABILITIES_RESET;
}
if (k->do_hw_op(ibe->parent.intf, IPMI_SEND_NMI, 1) == 0) {
v |= VM_CAPABILITIES_NMI;
}
addchar(ibe, v);
ibe->outbuf[ibe->outlen] = VM_CMD_CHAR;
ibe->outlen++;
ibe->sending_cmd = false;
continue_send(ibe);
break;
case CHR_EVENT_CLOSED:
if (!ibe->connected) {
return;
}
ibe->connected = false;
if (ibe->waiting_rsp) {
ibe->waiting_rsp = false;
ibe->inbuf[1] = ibe->outbuf[1] | 0x04;
ibe->inbuf[2] = ibe->outbuf[2];
ibe->inbuf[3] = IPMI_CC_BMC_INIT_IN_PROGRESS;
k->handle_rsp(s, ibe->outbuf[0], ibe->inbuf + 1, 3);
}
break;
}
}
static void handle_hw_op(IPMIBmcExtern *ibe, unsigned char hw_op)
{
IPMIInterface *s = ibe->parent.intf;
IPMIInterfaceClass *k = IPMI_INTERFACE_GET_CLASS(s);
switch (hw_op) {
case VM_CMD_VERSION:
/* We only support one version at this time. */
break;
case VM_CMD_NOATTN:
k->set_atn(s, 0, 0);
break;
case VM_CMD_ATTN:
k->set_atn(s, 1, 0);
break;
case VM_CMD_ATTN_IRQ:
k->set_atn(s, 1, 1);
break;
case VM_CMD_POWEROFF:
k->do_hw_op(s, IPMI_POWEROFF_CHASSIS, 0);
break;
case VM_CMD_RESET:
k->do_hw_op(s, IPMI_RESET_CHASSIS, 0);
break;
case VM_CMD_ENABLE_IRQ:
k->set_irq_enable(s, 1);
break;
case VM_CMD_DISABLE_IRQ:
k->set_irq_enable(s, 0);
break;
case VM_CMD_SEND_NMI:
k->do_hw_op(s, IPMI_SEND_NMI, 0);
break;
case VM_CMD_FORCEOFF:
qemu_system_shutdown_request();
break;
}
}