8dfba500af
since static and dynamic parts of memory MHPD device are now in the same table (DSDT), there is no point keeping them scattered across the table, so consolidate it in one place. There aren't any functional change, only AML text movement from externally refferenced MHPD scope directly into MHPD device declaration. Signed-off-by: Igor Mammedov <imammedo@redhat.com> Reviewed-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com> Reviewed-by: Marcel Apfelbaum <marcel@redhat.com>
677 lines
24 KiB
C
677 lines
24 KiB
C
#include "qemu/osdep.h"
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#include "hw/acpi/memory_hotplug.h"
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#include "hw/acpi/pc-hotplug.h"
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#include "hw/mem/pc-dimm.h"
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#include "hw/boards.h"
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#include "hw/qdev-core.h"
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#include "trace.h"
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#include "qapi-event.h"
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static ACPIOSTInfo *acpi_memory_device_status(int slot, MemStatus *mdev)
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{
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ACPIOSTInfo *info = g_new0(ACPIOSTInfo, 1);
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info->slot_type = ACPI_SLOT_TYPE_DIMM;
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info->slot = g_strdup_printf("%d", slot);
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info->source = mdev->ost_event;
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info->status = mdev->ost_status;
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if (mdev->dimm) {
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DeviceState *dev = DEVICE(mdev->dimm);
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if (dev->id) {
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info->device = g_strdup(dev->id);
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info->has_device = true;
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}
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}
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return info;
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}
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void acpi_memory_ospm_status(MemHotplugState *mem_st, ACPIOSTInfoList ***list)
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{
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int i;
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for (i = 0; i < mem_st->dev_count; i++) {
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ACPIOSTInfoList *elem = g_new0(ACPIOSTInfoList, 1);
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elem->value = acpi_memory_device_status(i, &mem_st->devs[i]);
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elem->next = NULL;
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**list = elem;
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*list = &elem->next;
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}
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}
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static uint64_t acpi_memory_hotplug_read(void *opaque, hwaddr addr,
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unsigned int size)
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{
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uint32_t val = 0;
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MemHotplugState *mem_st = opaque;
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MemStatus *mdev;
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Object *o;
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if (mem_st->selector >= mem_st->dev_count) {
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trace_mhp_acpi_invalid_slot_selected(mem_st->selector);
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return 0;
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}
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mdev = &mem_st->devs[mem_st->selector];
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o = OBJECT(mdev->dimm);
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switch (addr) {
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case 0x0: /* Lo part of phys address where DIMM is mapped */
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val = o ? object_property_get_int(o, PC_DIMM_ADDR_PROP, NULL) : 0;
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trace_mhp_acpi_read_addr_lo(mem_st->selector, val);
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break;
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case 0x4: /* Hi part of phys address where DIMM is mapped */
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val = o ? object_property_get_int(o, PC_DIMM_ADDR_PROP, NULL) >> 32 : 0;
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trace_mhp_acpi_read_addr_hi(mem_st->selector, val);
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break;
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case 0x8: /* Lo part of DIMM size */
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val = o ? object_property_get_int(o, PC_DIMM_SIZE_PROP, NULL) : 0;
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trace_mhp_acpi_read_size_lo(mem_st->selector, val);
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break;
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case 0xc: /* Hi part of DIMM size */
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val = o ? object_property_get_int(o, PC_DIMM_SIZE_PROP, NULL) >> 32 : 0;
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trace_mhp_acpi_read_size_hi(mem_st->selector, val);
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break;
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case 0x10: /* node proximity for _PXM method */
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val = o ? object_property_get_int(o, PC_DIMM_NODE_PROP, NULL) : 0;
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trace_mhp_acpi_read_pxm(mem_st->selector, val);
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break;
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case 0x14: /* pack and return is_* fields */
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val |= mdev->is_enabled ? 1 : 0;
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val |= mdev->is_inserting ? 2 : 0;
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val |= mdev->is_removing ? 4 : 0;
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trace_mhp_acpi_read_flags(mem_st->selector, val);
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break;
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default:
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val = ~0;
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break;
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}
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return val;
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}
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static void acpi_memory_hotplug_write(void *opaque, hwaddr addr, uint64_t data,
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unsigned int size)
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{
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MemHotplugState *mem_st = opaque;
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MemStatus *mdev;
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ACPIOSTInfo *info;
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DeviceState *dev = NULL;
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HotplugHandler *hotplug_ctrl = NULL;
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Error *local_err = NULL;
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if (!mem_st->dev_count) {
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return;
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}
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if (addr) {
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if (mem_st->selector >= mem_st->dev_count) {
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trace_mhp_acpi_invalid_slot_selected(mem_st->selector);
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return;
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}
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}
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switch (addr) {
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case 0x0: /* DIMM slot selector */
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mem_st->selector = data;
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trace_mhp_acpi_write_slot(mem_st->selector);
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break;
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case 0x4: /* _OST event */
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mdev = &mem_st->devs[mem_st->selector];
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if (data == 1) {
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/* TODO: handle device insert OST event */
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} else if (data == 3) {
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/* TODO: handle device remove OST event */
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}
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mdev->ost_event = data;
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trace_mhp_acpi_write_ost_ev(mem_st->selector, mdev->ost_event);
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break;
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case 0x8: /* _OST status */
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mdev = &mem_st->devs[mem_st->selector];
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mdev->ost_status = data;
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trace_mhp_acpi_write_ost_status(mem_st->selector, mdev->ost_status);
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/* TODO: implement memory removal on guest signal */
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info = acpi_memory_device_status(mem_st->selector, mdev);
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qapi_event_send_acpi_device_ost(info, &error_abort);
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qapi_free_ACPIOSTInfo(info);
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break;
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case 0x14: /* set is_* fields */
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mdev = &mem_st->devs[mem_st->selector];
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if (data & 2) { /* clear insert event */
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mdev->is_inserting = false;
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trace_mhp_acpi_clear_insert_evt(mem_st->selector);
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} else if (data & 4) {
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mdev->is_removing = false;
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trace_mhp_acpi_clear_remove_evt(mem_st->selector);
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} else if (data & 8) {
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if (!mdev->is_enabled) {
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trace_mhp_acpi_ejecting_invalid_slot(mem_st->selector);
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break;
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}
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dev = DEVICE(mdev->dimm);
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hotplug_ctrl = qdev_get_hotplug_handler(dev);
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/* call pc-dimm unplug cb */
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hotplug_handler_unplug(hotplug_ctrl, dev, &local_err);
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if (local_err) {
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trace_mhp_acpi_pc_dimm_delete_failed(mem_st->selector);
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qapi_event_send_mem_unplug_error(dev->id,
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error_get_pretty(local_err),
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&error_abort);
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error_free(local_err);
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break;
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}
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trace_mhp_acpi_pc_dimm_deleted(mem_st->selector);
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}
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break;
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default:
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break;
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}
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}
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static const MemoryRegionOps acpi_memory_hotplug_ops = {
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.read = acpi_memory_hotplug_read,
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.write = acpi_memory_hotplug_write,
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.endianness = DEVICE_LITTLE_ENDIAN,
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.valid = {
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.min_access_size = 1,
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.max_access_size = 4,
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},
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};
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void acpi_memory_hotplug_init(MemoryRegion *as, Object *owner,
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MemHotplugState *state)
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{
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MachineState *machine = MACHINE(qdev_get_machine());
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state->dev_count = machine->ram_slots;
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if (!state->dev_count) {
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return;
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}
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state->devs = g_malloc0(sizeof(*state->devs) * state->dev_count);
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memory_region_init_io(&state->io, owner, &acpi_memory_hotplug_ops, state,
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"acpi-mem-hotplug", ACPI_MEMORY_HOTPLUG_IO_LEN);
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memory_region_add_subregion(as, ACPI_MEMORY_HOTPLUG_BASE, &state->io);
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}
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/**
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* acpi_memory_slot_status:
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* @mem_st: memory hotplug state
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* @dev: device
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* @errp: set in case of an error
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*
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* Obtain a single memory slot status.
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*
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* This function will be called by memory unplug request cb and unplug cb.
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*/
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static MemStatus *
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acpi_memory_slot_status(MemHotplugState *mem_st,
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DeviceState *dev, Error **errp)
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{
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Error *local_err = NULL;
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int slot = object_property_get_int(OBJECT(dev), PC_DIMM_SLOT_PROP,
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&local_err);
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if (local_err) {
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error_propagate(errp, local_err);
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return NULL;
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}
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if (slot >= mem_st->dev_count) {
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char *dev_path = object_get_canonical_path(OBJECT(dev));
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error_setg(errp, "acpi_memory_slot_status: "
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"device [%s] returned invalid memory slot[%d]",
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dev_path, slot);
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g_free(dev_path);
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return NULL;
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}
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return &mem_st->devs[slot];
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}
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void acpi_memory_plug_cb(HotplugHandler *hotplug_dev, MemHotplugState *mem_st,
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DeviceState *dev, Error **errp)
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{
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MemStatus *mdev;
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DeviceClass *dc = DEVICE_GET_CLASS(dev);
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if (!dc->hotpluggable) {
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return;
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}
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mdev = acpi_memory_slot_status(mem_st, dev, errp);
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if (!mdev) {
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return;
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}
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mdev->dimm = dev;
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mdev->is_enabled = true;
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if (dev->hotplugged) {
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mdev->is_inserting = true;
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acpi_send_event(DEVICE(hotplug_dev), ACPI_MEMORY_HOTPLUG_STATUS);
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}
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}
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void acpi_memory_unplug_request_cb(HotplugHandler *hotplug_dev,
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MemHotplugState *mem_st,
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DeviceState *dev, Error **errp)
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{
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MemStatus *mdev;
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mdev = acpi_memory_slot_status(mem_st, dev, errp);
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if (!mdev) {
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return;
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}
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mdev->is_removing = true;
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acpi_send_event(DEVICE(hotplug_dev), ACPI_MEMORY_HOTPLUG_STATUS);
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}
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void acpi_memory_unplug_cb(MemHotplugState *mem_st,
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DeviceState *dev, Error **errp)
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{
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MemStatus *mdev;
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mdev = acpi_memory_slot_status(mem_st, dev, errp);
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if (!mdev) {
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return;
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}
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mdev->is_enabled = false;
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mdev->dimm = NULL;
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}
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static const VMStateDescription vmstate_memhp_sts = {
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.name = "memory hotplug device state",
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.version_id = 1,
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.minimum_version_id = 1,
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.minimum_version_id_old = 1,
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.fields = (VMStateField[]) {
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VMSTATE_BOOL(is_enabled, MemStatus),
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VMSTATE_BOOL(is_inserting, MemStatus),
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VMSTATE_UINT32(ost_event, MemStatus),
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VMSTATE_UINT32(ost_status, MemStatus),
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VMSTATE_END_OF_LIST()
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}
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};
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const VMStateDescription vmstate_memory_hotplug = {
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.name = "memory hotplug state",
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.version_id = 1,
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.minimum_version_id = 1,
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.minimum_version_id_old = 1,
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.fields = (VMStateField[]) {
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VMSTATE_UINT32(selector, MemHotplugState),
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VMSTATE_STRUCT_VARRAY_POINTER_UINT32(devs, MemHotplugState, dev_count,
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vmstate_memhp_sts, MemStatus),
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VMSTATE_END_OF_LIST()
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}
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};
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void build_memory_hotplug_aml(Aml *table, uint32_t nr_mem,
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uint16_t io_base, uint16_t io_len)
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{
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Aml *ifctx;
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Aml *method;
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Aml *pci_scope;
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Aml *mem_ctrl_dev;
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/* scope for memory hotplug controller device node */
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pci_scope = aml_scope("_SB.PCI0");
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mem_ctrl_dev = aml_device(MEMORY_HOTPLUG_DEVICE);
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{
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Aml *crs;
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Aml *field;
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Aml *one = aml_int(1);
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Aml *zero = aml_int(0);
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Aml *ret_val = aml_local(0);
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Aml *slot_arg0 = aml_arg(0);
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Aml *slots_nr = aml_name(MEMORY_SLOTS_NUMBER);
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Aml *ctrl_lock = aml_name(MEMORY_SLOT_LOCK);
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Aml *slot_selector = aml_name(MEMORY_SLOT_SLECTOR);
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aml_append(mem_ctrl_dev, aml_name_decl("_HID", aml_string("PNP0A06")));
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aml_append(mem_ctrl_dev,
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aml_name_decl("_UID", aml_string("Memory hotplug resources")));
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assert(nr_mem <= ACPI_MAX_RAM_SLOTS);
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aml_append(mem_ctrl_dev,
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aml_name_decl(MEMORY_SLOTS_NUMBER, aml_int(nr_mem))
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);
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crs = aml_resource_template();
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aml_append(crs,
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aml_io(AML_DECODE16, io_base, io_base, 0, io_len)
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);
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aml_append(mem_ctrl_dev, aml_name_decl("_CRS", crs));
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aml_append(mem_ctrl_dev, aml_operation_region(
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MEMORY_HOTPLUG_IO_REGION, AML_SYSTEM_IO,
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aml_int(io_base), io_len)
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);
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field = aml_field(MEMORY_HOTPLUG_IO_REGION, AML_DWORD_ACC,
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AML_NOLOCK, AML_PRESERVE);
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aml_append(field, /* read only */
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aml_named_field(MEMORY_SLOT_ADDR_LOW, 32));
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aml_append(field, /* read only */
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aml_named_field(MEMORY_SLOT_ADDR_HIGH, 32));
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aml_append(field, /* read only */
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aml_named_field(MEMORY_SLOT_SIZE_LOW, 32));
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aml_append(field, /* read only */
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aml_named_field(MEMORY_SLOT_SIZE_HIGH, 32));
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aml_append(field, /* read only */
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aml_named_field(MEMORY_SLOT_PROXIMITY, 32));
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aml_append(mem_ctrl_dev, field);
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field = aml_field(MEMORY_HOTPLUG_IO_REGION, AML_BYTE_ACC,
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AML_NOLOCK, AML_WRITE_AS_ZEROS);
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aml_append(field, aml_reserved_field(160 /* bits, Offset(20) */));
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aml_append(field, /* 1 if enabled, read only */
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aml_named_field(MEMORY_SLOT_ENABLED, 1));
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aml_append(field,
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/*(read) 1 if has a insert event. (write) 1 to clear event */
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aml_named_field(MEMORY_SLOT_INSERT_EVENT, 1));
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aml_append(field,
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/* (read) 1 if has a remove event. (write) 1 to clear event */
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aml_named_field(MEMORY_SLOT_REMOVE_EVENT, 1));
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aml_append(field,
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/* initiates device eject, write only */
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aml_named_field(MEMORY_SLOT_EJECT, 1));
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aml_append(mem_ctrl_dev, field);
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field = aml_field(MEMORY_HOTPLUG_IO_REGION, AML_DWORD_ACC,
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AML_NOLOCK, AML_PRESERVE);
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aml_append(field, /* DIMM selector, write only */
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aml_named_field(MEMORY_SLOT_SLECTOR, 32));
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aml_append(field, /* _OST event code, write only */
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aml_named_field(MEMORY_SLOT_OST_EVENT, 32));
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aml_append(field, /* _OST status code, write only */
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aml_named_field(MEMORY_SLOT_OST_STATUS, 32));
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aml_append(mem_ctrl_dev, field);
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method = aml_method("_STA", 0, AML_NOTSERIALIZED);
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ifctx = aml_if(aml_equal(slots_nr, zero));
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{
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aml_append(ifctx, aml_return(zero));
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}
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aml_append(method, ifctx);
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/* present, functioning, decoding, not shown in UI */
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aml_append(method, aml_return(aml_int(0xB)));
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aml_append(mem_ctrl_dev, method);
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aml_append(mem_ctrl_dev, aml_mutex(MEMORY_SLOT_LOCK, 0));
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method = aml_method(MEMORY_SLOT_SCAN_METHOD, 0, AML_NOTSERIALIZED);
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{
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Aml *else_ctx;
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Aml *while_ctx;
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Aml *idx = aml_local(0);
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Aml *eject_req = aml_int(3);
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Aml *dev_chk = aml_int(1);
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ifctx = aml_if(aml_equal(slots_nr, zero));
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{
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aml_append(ifctx, aml_return(zero));
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}
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aml_append(method, ifctx);
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aml_append(method, aml_store(zero, idx));
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aml_append(method, aml_acquire(ctrl_lock, 0xFFFF));
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/* build AML that:
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* loops over all slots and Notifies DIMMs with
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* Device Check or Eject Request notifications if
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* slot has corresponding status bit set and clears
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* slot status.
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*/
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while_ctx = aml_while(aml_lless(idx, slots_nr));
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{
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Aml *ins_evt = aml_name(MEMORY_SLOT_INSERT_EVENT);
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Aml *rm_evt = aml_name(MEMORY_SLOT_REMOVE_EVENT);
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aml_append(while_ctx, aml_store(idx, slot_selector));
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ifctx = aml_if(aml_equal(ins_evt, one));
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{
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aml_append(ifctx,
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aml_call2(MEMORY_SLOT_NOTIFY_METHOD,
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idx, dev_chk));
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aml_append(ifctx, aml_store(one, ins_evt));
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}
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aml_append(while_ctx, ifctx);
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else_ctx = aml_else();
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ifctx = aml_if(aml_equal(rm_evt, one));
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{
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aml_append(ifctx,
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aml_call2(MEMORY_SLOT_NOTIFY_METHOD,
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idx, eject_req));
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aml_append(ifctx, aml_store(one, rm_evt));
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}
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aml_append(else_ctx, ifctx);
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aml_append(while_ctx, else_ctx);
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aml_append(while_ctx, aml_add(idx, one, idx));
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}
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aml_append(method, while_ctx);
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aml_append(method, aml_release(ctrl_lock));
|
|
aml_append(method, aml_return(one));
|
|
}
|
|
aml_append(mem_ctrl_dev, method);
|
|
|
|
method = aml_method(MEMORY_SLOT_STATUS_METHOD, 1, AML_NOTSERIALIZED);
|
|
{
|
|
Aml *slot_enabled = aml_name(MEMORY_SLOT_ENABLED);
|
|
|
|
aml_append(method, aml_store(zero, ret_val));
|
|
aml_append(method, aml_acquire(ctrl_lock, 0xFFFF));
|
|
aml_append(method,
|
|
aml_store(aml_to_integer(slot_arg0), slot_selector));
|
|
|
|
ifctx = aml_if(aml_equal(slot_enabled, one));
|
|
{
|
|
aml_append(ifctx, aml_store(aml_int(0xF), ret_val));
|
|
}
|
|
aml_append(method, ifctx);
|
|
|
|
aml_append(method, aml_release(ctrl_lock));
|
|
aml_append(method, aml_return(ret_val));
|
|
}
|
|
aml_append(mem_ctrl_dev, method);
|
|
|
|
method = aml_method(MEMORY_SLOT_CRS_METHOD, 1, AML_SERIALIZED);
|
|
{
|
|
Aml *mr64 = aml_name("MR64");
|
|
Aml *mr32 = aml_name("MR32");
|
|
Aml *crs_tmpl = aml_resource_template();
|
|
Aml *minl = aml_name("MINL");
|
|
Aml *minh = aml_name("MINH");
|
|
Aml *maxl = aml_name("MAXL");
|
|
Aml *maxh = aml_name("MAXH");
|
|
Aml *lenl = aml_name("LENL");
|
|
Aml *lenh = aml_name("LENH");
|
|
|
|
aml_append(method, aml_acquire(ctrl_lock, 0xFFFF));
|
|
aml_append(method, aml_store(aml_to_integer(slot_arg0),
|
|
slot_selector));
|
|
|
|
aml_append(crs_tmpl,
|
|
aml_qword_memory(AML_POS_DECODE, AML_MIN_FIXED, AML_MAX_FIXED,
|
|
AML_CACHEABLE, AML_READ_WRITE,
|
|
0, 0x0, 0xFFFFFFFFFFFFFFFEULL, 0,
|
|
0xFFFFFFFFFFFFFFFFULL));
|
|
aml_append(method, aml_name_decl("MR64", crs_tmpl));
|
|
aml_append(method,
|
|
aml_create_dword_field(mr64, aml_int(14), "MINL"));
|
|
aml_append(method,
|
|
aml_create_dword_field(mr64, aml_int(18), "MINH"));
|
|
aml_append(method,
|
|
aml_create_dword_field(mr64, aml_int(38), "LENL"));
|
|
aml_append(method,
|
|
aml_create_dword_field(mr64, aml_int(42), "LENH"));
|
|
aml_append(method,
|
|
aml_create_dword_field(mr64, aml_int(22), "MAXL"));
|
|
aml_append(method,
|
|
aml_create_dword_field(mr64, aml_int(26), "MAXH"));
|
|
|
|
aml_append(method,
|
|
aml_store(aml_name(MEMORY_SLOT_ADDR_HIGH), minh));
|
|
aml_append(method,
|
|
aml_store(aml_name(MEMORY_SLOT_ADDR_LOW), minl));
|
|
aml_append(method,
|
|
aml_store(aml_name(MEMORY_SLOT_SIZE_HIGH), lenh));
|
|
aml_append(method,
|
|
aml_store(aml_name(MEMORY_SLOT_SIZE_LOW), lenl));
|
|
|
|
/* 64-bit math: MAX = MIN + LEN - 1 */
|
|
aml_append(method, aml_add(minl, lenl, maxl));
|
|
aml_append(method, aml_add(minh, lenh, maxh));
|
|
ifctx = aml_if(aml_lless(maxl, minl));
|
|
{
|
|
aml_append(ifctx, aml_add(maxh, one, maxh));
|
|
}
|
|
aml_append(method, ifctx);
|
|
ifctx = aml_if(aml_lless(maxl, one));
|
|
{
|
|
aml_append(ifctx, aml_subtract(maxh, one, maxh));
|
|
}
|
|
aml_append(method, ifctx);
|
|
aml_append(method, aml_subtract(maxl, one, maxl));
|
|
|
|
/* return 32-bit _CRS if addr/size is in low mem */
|
|
/* TODO: remove it since all hotplugged DIMMs are in high mem */
|
|
ifctx = aml_if(aml_equal(maxh, zero));
|
|
{
|
|
crs_tmpl = aml_resource_template();
|
|
aml_append(crs_tmpl,
|
|
aml_dword_memory(AML_POS_DECODE, AML_MIN_FIXED,
|
|
AML_MAX_FIXED, AML_CACHEABLE,
|
|
AML_READ_WRITE,
|
|
0, 0x0, 0xFFFFFFFE, 0,
|
|
0xFFFFFFFF));
|
|
aml_append(ifctx, aml_name_decl("MR32", crs_tmpl));
|
|
aml_append(ifctx,
|
|
aml_create_dword_field(mr32, aml_int(10), "MIN"));
|
|
aml_append(ifctx,
|
|
aml_create_dword_field(mr32, aml_int(14), "MAX"));
|
|
aml_append(ifctx,
|
|
aml_create_dword_field(mr32, aml_int(22), "LEN"));
|
|
aml_append(ifctx, aml_store(minl, aml_name("MIN")));
|
|
aml_append(ifctx, aml_store(maxl, aml_name("MAX")));
|
|
aml_append(ifctx, aml_store(lenl, aml_name("LEN")));
|
|
|
|
aml_append(ifctx, aml_release(ctrl_lock));
|
|
aml_append(ifctx, aml_return(mr32));
|
|
}
|
|
aml_append(method, ifctx);
|
|
|
|
aml_append(method, aml_release(ctrl_lock));
|
|
aml_append(method, aml_return(mr64));
|
|
}
|
|
aml_append(mem_ctrl_dev, method);
|
|
|
|
method = aml_method(MEMORY_SLOT_PROXIMITY_METHOD, 1,
|
|
AML_NOTSERIALIZED);
|
|
{
|
|
Aml *proximity = aml_name(MEMORY_SLOT_PROXIMITY);
|
|
|
|
aml_append(method, aml_acquire(ctrl_lock, 0xFFFF));
|
|
aml_append(method, aml_store(aml_to_integer(slot_arg0),
|
|
slot_selector));
|
|
aml_append(method, aml_store(proximity, ret_val));
|
|
aml_append(method, aml_release(ctrl_lock));
|
|
aml_append(method, aml_return(ret_val));
|
|
}
|
|
aml_append(mem_ctrl_dev, method);
|
|
|
|
method = aml_method(MEMORY_SLOT_OST_METHOD, 4, AML_NOTSERIALIZED);
|
|
{
|
|
Aml *ost_evt = aml_name(MEMORY_SLOT_OST_EVENT);
|
|
Aml *ost_status = aml_name(MEMORY_SLOT_OST_STATUS);
|
|
|
|
aml_append(method, aml_acquire(ctrl_lock, 0xFFFF));
|
|
aml_append(method, aml_store(aml_to_integer(slot_arg0),
|
|
slot_selector));
|
|
aml_append(method, aml_store(aml_arg(1), ost_evt));
|
|
aml_append(method, aml_store(aml_arg(2), ost_status));
|
|
aml_append(method, aml_release(ctrl_lock));
|
|
}
|
|
aml_append(mem_ctrl_dev, method);
|
|
|
|
method = aml_method(MEMORY_SLOT_EJECT_METHOD, 2, AML_NOTSERIALIZED);
|
|
{
|
|
Aml *eject = aml_name(MEMORY_SLOT_EJECT);
|
|
|
|
aml_append(method, aml_acquire(ctrl_lock, 0xFFFF));
|
|
aml_append(method, aml_store(aml_to_integer(slot_arg0),
|
|
slot_selector));
|
|
aml_append(method, aml_store(one, eject));
|
|
aml_append(method, aml_release(ctrl_lock));
|
|
}
|
|
aml_append(mem_ctrl_dev, method);
|
|
}
|
|
aml_append(pci_scope, mem_ctrl_dev);
|
|
aml_append(table, pci_scope);
|
|
}
|
|
|
|
void build_memory_devices(Aml *sb_scope, int nr_mem,
|
|
uint16_t io_base, uint16_t io_len)
|
|
{
|
|
int i;
|
|
Aml *dev;
|
|
Aml *method;
|
|
Aml *ifctx;
|
|
|
|
/* build memory devices */
|
|
for (i = 0; i < nr_mem; i++) {
|
|
#define BASEPATH "\\_SB.PCI0." MEMORY_HOTPLUG_DEVICE "."
|
|
const char *s;
|
|
|
|
dev = aml_device("MP%02X", i);
|
|
aml_append(dev, aml_name_decl("_UID", aml_string("0x%02X", i)));
|
|
aml_append(dev, aml_name_decl("_HID", aml_eisaid("PNP0C80")));
|
|
|
|
method = aml_method("_CRS", 0, AML_NOTSERIALIZED);
|
|
s = BASEPATH MEMORY_SLOT_CRS_METHOD;
|
|
aml_append(method, aml_return(aml_call1(s, aml_name("_UID"))));
|
|
aml_append(dev, method);
|
|
|
|
method = aml_method("_STA", 0, AML_NOTSERIALIZED);
|
|
s = BASEPATH MEMORY_SLOT_STATUS_METHOD;
|
|
aml_append(method, aml_return(aml_call1(s, aml_name("_UID"))));
|
|
aml_append(dev, method);
|
|
|
|
method = aml_method("_PXM", 0, AML_NOTSERIALIZED);
|
|
s = BASEPATH MEMORY_SLOT_PROXIMITY_METHOD;
|
|
aml_append(method, aml_return(aml_call1(s, aml_name("_UID"))));
|
|
aml_append(dev, method);
|
|
|
|
method = aml_method("_OST", 3, AML_NOTSERIALIZED);
|
|
s = BASEPATH MEMORY_SLOT_OST_METHOD;
|
|
|
|
aml_append(method, aml_return(aml_call4(
|
|
s, aml_name("_UID"), aml_arg(0), aml_arg(1), aml_arg(2)
|
|
)));
|
|
aml_append(dev, method);
|
|
|
|
method = aml_method("_EJ0", 1, AML_NOTSERIALIZED);
|
|
s = BASEPATH MEMORY_SLOT_EJECT_METHOD;
|
|
aml_append(method, aml_return(aml_call2(
|
|
s, aml_name("_UID"), aml_arg(0))));
|
|
aml_append(dev, method);
|
|
|
|
aml_append(sb_scope, dev);
|
|
}
|
|
|
|
/* build Method(MEMORY_SLOT_NOTIFY_METHOD, 2) {
|
|
* If (LEqual(Arg0, 0x00)) {Notify(MP00, Arg1)} ... }
|
|
*/
|
|
method = aml_method(MEMORY_SLOT_NOTIFY_METHOD, 2, AML_NOTSERIALIZED);
|
|
for (i = 0; i < nr_mem; i++) {
|
|
ifctx = aml_if(aml_equal(aml_arg(0), aml_int(i)));
|
|
aml_append(ifctx,
|
|
aml_notify(aml_name("MP%.02X", i), aml_arg(1))
|
|
);
|
|
aml_append(method, ifctx);
|
|
}
|
|
aml_append(sb_scope, method);
|
|
}
|