static void acpi_memory_hotplug_write(void *opaque, hwaddr addr, uint64_t data,
unsigned int size)
{
MemHotplugState *mem_st = opaque;
MemStatus *mdev;
ACPIOSTInfo *info;
DeviceState *dev = NULL;
HotplugHandler *hotplug_ctrl = NULL;
Error *local_err = NULL;
if (!mem_st->dev_count) {
return;
}
if (addr) {
if (mem_st->selector >= mem_st->dev_count) {
trace_mhp_acpi_invalid_slot_selected(mem_st->selector);
return;
}
}
switch (addr) {
case 0x0: /* DIMM slot selector */
mem_st->selector = data;
trace_mhp_acpi_write_slot(mem_st->selector);
break;
case 0x4: /* _OST event */
mdev = &mem_st->devs[mem_st->selector];
if (data == 1) {
/* TODO: handle device insert OST event */
} else if (data == 3) {
/* TODO: handle device remove OST event */
}
mdev->ost_event = data;
trace_mhp_acpi_write_ost_ev(mem_st->selector, mdev->ost_event);
break;
case 0x8: /* _OST status */
mdev = &mem_st->devs[mem_st->selector];
mdev->ost_status = data;
trace_mhp_acpi_write_ost_status(mem_st->selector, mdev->ost_status);
/* TODO: implement memory removal on guest signal */
info = acpi_memory_device_status(mem_st->selector, mdev);
qapi_event_send_acpi_device_ost(info, &error_abort);
qapi_free_ACPIOSTInfo(info);
break;
case 0x14: /* set is_* fields */
mdev = &mem_st->devs[mem_st->selector];
if (data & 2) { /* clear insert event */
mdev->is_inserting = false;
trace_mhp_acpi_clear_insert_evt(mem_st->selector);
} else if (data & 4) {
mdev->is_removing = false;
trace_mhp_acpi_clear_remove_evt(mem_st->selector);
} else if (data & 8) {
if (!mdev->is_enabled) {
trace_mhp_acpi_ejecting_invalid_slot(mem_st->selector);
break;
}
dev = DEVICE(mdev->dimm);
hotplug_ctrl = qdev_get_hotplug_handler(dev);
/* call pc-dimm unplug cb */
hotplug_handler_unplug(hotplug_ctrl, dev, &local_err);
if (local_err) {
trace_mhp_acpi_pc_dimm_delete_failed(mem_st->selector);
qapi_event_send_mem_unplug_error(dev->id,
error_get_pretty(local_err),
&error_abort);
error_free(local_err);
break;
}
trace_mhp_acpi_pc_dimm_deleted(mem_st->selector);
}
break;
default:
break;
}
}
static void cpu_hotplug_wr(void *opaque, hwaddr addr, uint64_t data,
unsigned int size)
{
CPUHotplugState *cpu_st = opaque;
AcpiCpuStatus *cdev;
ACPIOSTInfo *info;
assert(cpu_st->dev_count);
if (addr) {
if (cpu_st->selector >= cpu_st->dev_count) {
trace_cpuhp_acpi_invalid_idx_selected(cpu_st->selector);
return;
}
}
switch (addr) {
case ACPI_CPU_SELECTOR_OFFSET_WR: /* current CPU selector */
cpu_st->selector = data;
trace_cpuhp_acpi_write_idx(cpu_st->selector);
break;
case ACPI_CPU_FLAGS_OFFSET_RW: /* set is_* fields */
cdev = &cpu_st->devs[cpu_st->selector];
if (data & 2) { /* clear insert event */
cdev->is_inserting = false;
trace_cpuhp_acpi_clear_inserting_evt(cpu_st->selector);
} else if (data & 4) { /* clear remove event */
cdev->is_removing = false;
trace_cpuhp_acpi_clear_remove_evt(cpu_st->selector);
} else if (data & 8) {
DeviceState *dev = NULL;
HotplugHandler *hotplug_ctrl = NULL;
if (!cdev->cpu || cdev->cpu == first_cpu) {
trace_cpuhp_acpi_ejecting_invalid_cpu(cpu_st->selector);
break;
}
trace_cpuhp_acpi_ejecting_cpu(cpu_st->selector);
dev = DEVICE(cdev->cpu);
hotplug_ctrl = qdev_get_hotplug_handler(dev);
hotplug_handler_unplug(hotplug_ctrl, dev, NULL);
}
break;
case ACPI_CPU_CMD_OFFSET_WR:
trace_cpuhp_acpi_write_cmd(cpu_st->selector, data);
if (data < CPHP_CMD_MAX) {
cpu_st->command = data;
if (cpu_st->command == CPHP_GET_NEXT_CPU_WITH_EVENT_CMD) {
uint32_t iter = cpu_st->selector;
do {
cdev = &cpu_st->devs[iter];
if (cdev->is_inserting || cdev->is_removing) {
cpu_st->selector = iter;
trace_cpuhp_acpi_cpu_has_events(cpu_st->selector,
cdev->is_inserting, cdev->is_removing);
break;
}
iter = iter + 1 < cpu_st->dev_count ? iter + 1 : 0;
} while (iter != cpu_st->selector);
}
}
break;
case ACPI_CPU_CMD_DATA_OFFSET_RW:
switch (cpu_st->command) {
case CPHP_OST_EVENT_CMD: {
cdev = &cpu_st->devs[cpu_st->selector];
cdev->ost_event = data;
trace_cpuhp_acpi_write_ost_ev(cpu_st->selector, cdev->ost_event);
break;
}
case CPHP_OST_STATUS_CMD: {
cdev = &cpu_st->devs[cpu_st->selector];
cdev->ost_status = data;
info = acpi_cpu_device_status(cpu_st->selector, cdev);
qapi_event_send_acpi_device_ost(info);
qapi_free_ACPIOSTInfo(info);
trace_cpuhp_acpi_write_ost_status(cpu_st->selector,
cdev->ost_status);
break;
}
default:
break;
}
break;
default:
break;
}
}
