forked from mirror/qemu
You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
728 lines
26 KiB
C
728 lines
26 KiB
C
#include "qemu/osdep.h"
|
|
#include "hw/acpi/memory_hotplug.h"
|
|
#include "hw/mem/pc-dimm.h"
|
|
#include "hw/qdev-core.h"
|
|
#include "migration/vmstate.h"
|
|
#include "trace.h"
|
|
#include "qapi/error.h"
|
|
#include "qapi/qapi-events-acpi.h"
|
|
#include "qapi/qapi-events-machine.h"
|
|
#include "qapi/qapi-events-qdev.h"
|
|
|
|
#define MEMORY_SLOTS_NUMBER "MDNR"
|
|
#define MEMORY_HOTPLUG_IO_REGION "HPMR"
|
|
#define MEMORY_SLOT_ADDR_LOW "MRBL"
|
|
#define MEMORY_SLOT_ADDR_HIGH "MRBH"
|
|
#define MEMORY_SLOT_SIZE_LOW "MRLL"
|
|
#define MEMORY_SLOT_SIZE_HIGH "MRLH"
|
|
#define MEMORY_SLOT_PROXIMITY "MPX"
|
|
#define MEMORY_SLOT_ENABLED "MES"
|
|
#define MEMORY_SLOT_INSERT_EVENT "MINS"
|
|
#define MEMORY_SLOT_REMOVE_EVENT "MRMV"
|
|
#define MEMORY_SLOT_EJECT "MEJ"
|
|
#define MEMORY_SLOT_SLECTOR "MSEL"
|
|
#define MEMORY_SLOT_OST_EVENT "MOEV"
|
|
#define MEMORY_SLOT_OST_STATUS "MOSC"
|
|
#define MEMORY_SLOT_LOCK "MLCK"
|
|
#define MEMORY_SLOT_STATUS_METHOD "MRST"
|
|
#define MEMORY_SLOT_CRS_METHOD "MCRS"
|
|
#define MEMORY_SLOT_OST_METHOD "MOST"
|
|
#define MEMORY_SLOT_PROXIMITY_METHOD "MPXM"
|
|
#define MEMORY_SLOT_EJECT_METHOD "MEJ0"
|
|
#define MEMORY_SLOT_NOTIFY_METHOD "MTFY"
|
|
#define MEMORY_HOTPLUG_DEVICE "MHPD"
|
|
|
|
static ACPIOSTInfo *acpi_memory_device_status(int slot, MemStatus *mdev)
|
|
{
|
|
ACPIOSTInfo *info = g_new0(ACPIOSTInfo, 1);
|
|
|
|
info->slot_type = ACPI_SLOT_TYPE_DIMM;
|
|
info->slot = g_strdup_printf("%d", slot);
|
|
info->source = mdev->ost_event;
|
|
info->status = mdev->ost_status;
|
|
if (mdev->dimm) {
|
|
DeviceState *dev = DEVICE(mdev->dimm);
|
|
if (dev->id) {
|
|
info->device = g_strdup(dev->id);
|
|
info->has_device = true;
|
|
}
|
|
}
|
|
return info;
|
|
}
|
|
|
|
void acpi_memory_ospm_status(MemHotplugState *mem_st, ACPIOSTInfoList ***list)
|
|
{
|
|
ACPIOSTInfoList ***tail = list;
|
|
int i;
|
|
|
|
for (i = 0; i < mem_st->dev_count; i++) {
|
|
QAPI_LIST_APPEND(*tail,
|
|
acpi_memory_device_status(i, &mem_st->devs[i]));
|
|
}
|
|
}
|
|
|
|
static uint64_t acpi_memory_hotplug_read(void *opaque, hwaddr addr,
|
|
unsigned int size)
|
|
{
|
|
uint32_t val = 0;
|
|
MemHotplugState *mem_st = opaque;
|
|
MemStatus *mdev;
|
|
Object *o;
|
|
|
|
if (mem_st->selector >= mem_st->dev_count) {
|
|
trace_mhp_acpi_invalid_slot_selected(mem_st->selector);
|
|
return 0;
|
|
}
|
|
|
|
mdev = &mem_st->devs[mem_st->selector];
|
|
o = OBJECT(mdev->dimm);
|
|
switch (addr) {
|
|
case 0x0: /* Lo part of phys address where DIMM is mapped */
|
|
val = o ? object_property_get_uint(o, PC_DIMM_ADDR_PROP, NULL) : 0;
|
|
trace_mhp_acpi_read_addr_lo(mem_st->selector, val);
|
|
break;
|
|
case 0x4: /* Hi part of phys address where DIMM is mapped */
|
|
val =
|
|
o ? object_property_get_uint(o, PC_DIMM_ADDR_PROP, NULL) >> 32 : 0;
|
|
trace_mhp_acpi_read_addr_hi(mem_st->selector, val);
|
|
break;
|
|
case 0x8: /* Lo part of DIMM size */
|
|
val = o ? object_property_get_uint(o, PC_DIMM_SIZE_PROP, NULL) : 0;
|
|
trace_mhp_acpi_read_size_lo(mem_st->selector, val);
|
|
break;
|
|
case 0xc: /* Hi part of DIMM size */
|
|
val =
|
|
o ? object_property_get_uint(o, PC_DIMM_SIZE_PROP, NULL) >> 32 : 0;
|
|
trace_mhp_acpi_read_size_hi(mem_st->selector, val);
|
|
break;
|
|
case 0x10: /* node proximity for _PXM method */
|
|
val = o ? object_property_get_uint(o, PC_DIMM_NODE_PROP, NULL) : 0;
|
|
trace_mhp_acpi_read_pxm(mem_st->selector, val);
|
|
break;
|
|
case 0x14: /* pack and return is_* fields */
|
|
val |= mdev->is_enabled ? 1 : 0;
|
|
val |= mdev->is_inserting ? 2 : 0;
|
|
val |= mdev->is_removing ? 4 : 0;
|
|
trace_mhp_acpi_read_flags(mem_st->selector, val);
|
|
break;
|
|
default:
|
|
val = ~0;
|
|
break;
|
|
}
|
|
return val;
|
|
}
|
|
|
|
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);
|
|
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);
|
|
|
|
/*
|
|
* Send both MEM_UNPLUG_ERROR and DEVICE_UNPLUG_GUEST_ERROR
|
|
* while the deprecation of MEM_UNPLUG_ERROR is
|
|
* pending.
|
|
*/
|
|
qapi_event_send_mem_unplug_error(dev->id ? : "",
|
|
error_get_pretty(local_err));
|
|
qapi_event_send_device_unplug_guest_error(!!dev->id, dev->id,
|
|
dev->canonical_path);
|
|
error_free(local_err);
|
|
break;
|
|
}
|
|
object_unparent(OBJECT(dev));
|
|
trace_mhp_acpi_pc_dimm_deleted(mem_st->selector);
|
|
}
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
|
|
}
|
|
static const MemoryRegionOps acpi_memory_hotplug_ops = {
|
|
.read = acpi_memory_hotplug_read,
|
|
.write = acpi_memory_hotplug_write,
|
|
.endianness = DEVICE_LITTLE_ENDIAN,
|
|
.valid = {
|
|
.min_access_size = 1,
|
|
.max_access_size = 4,
|
|
},
|
|
};
|
|
|
|
void acpi_memory_hotplug_init(MemoryRegion *as, Object *owner,
|
|
MemHotplugState *state, hwaddr io_base)
|
|
{
|
|
MachineState *machine = MACHINE(qdev_get_machine());
|
|
|
|
state->dev_count = machine->ram_slots;
|
|
if (!state->dev_count) {
|
|
return;
|
|
}
|
|
|
|
state->devs = g_malloc0(sizeof(*state->devs) * state->dev_count);
|
|
memory_region_init_io(&state->io, owner, &acpi_memory_hotplug_ops, state,
|
|
"acpi-mem-hotplug", MEMORY_HOTPLUG_IO_LEN);
|
|
memory_region_add_subregion(as, io_base, &state->io);
|
|
}
|
|
|
|
/**
|
|
* acpi_memory_slot_status:
|
|
* @mem_st: memory hotplug state
|
|
* @dev: device
|
|
* @errp: set in case of an error
|
|
*
|
|
* Obtain a single memory slot status.
|
|
*
|
|
* This function will be called by memory unplug request cb and unplug cb.
|
|
*/
|
|
static MemStatus *
|
|
acpi_memory_slot_status(MemHotplugState *mem_st,
|
|
DeviceState *dev, Error **errp)
|
|
{
|
|
Error *local_err = NULL;
|
|
int slot = object_property_get_int(OBJECT(dev), PC_DIMM_SLOT_PROP,
|
|
&local_err);
|
|
|
|
if (local_err) {
|
|
error_propagate(errp, local_err);
|
|
return NULL;
|
|
}
|
|
|
|
if (slot >= mem_st->dev_count) {
|
|
char *dev_path = object_get_canonical_path(OBJECT(dev));
|
|
error_setg(errp, "acpi_memory_slot_status: "
|
|
"device [%s] returned invalid memory slot[%d]",
|
|
dev_path, slot);
|
|
g_free(dev_path);
|
|
return NULL;
|
|
}
|
|
|
|
return &mem_st->devs[slot];
|
|
}
|
|
|
|
void acpi_memory_plug_cb(HotplugHandler *hotplug_dev, MemHotplugState *mem_st,
|
|
DeviceState *dev, Error **errp)
|
|
{
|
|
MemStatus *mdev;
|
|
DeviceClass *dc = DEVICE_GET_CLASS(dev);
|
|
|
|
if (!dc->hotpluggable) {
|
|
return;
|
|
}
|
|
|
|
mdev = acpi_memory_slot_status(mem_st, dev, errp);
|
|
if (!mdev) {
|
|
return;
|
|
}
|
|
|
|
mdev->dimm = dev;
|
|
mdev->is_enabled = true;
|
|
if (dev->hotplugged) {
|
|
mdev->is_inserting = true;
|
|
acpi_send_event(DEVICE(hotplug_dev), ACPI_MEMORY_HOTPLUG_STATUS);
|
|
}
|
|
}
|
|
|
|
void acpi_memory_unplug_request_cb(HotplugHandler *hotplug_dev,
|
|
MemHotplugState *mem_st,
|
|
DeviceState *dev, Error **errp)
|
|
{
|
|
MemStatus *mdev;
|
|
|
|
mdev = acpi_memory_slot_status(mem_st, dev, errp);
|
|
if (!mdev) {
|
|
return;
|
|
}
|
|
|
|
mdev->is_removing = true;
|
|
acpi_send_event(DEVICE(hotplug_dev), ACPI_MEMORY_HOTPLUG_STATUS);
|
|
}
|
|
|
|
void acpi_memory_unplug_cb(MemHotplugState *mem_st,
|
|
DeviceState *dev, Error **errp)
|
|
{
|
|
MemStatus *mdev;
|
|
|
|
mdev = acpi_memory_slot_status(mem_st, dev, errp);
|
|
if (!mdev) {
|
|
return;
|
|
}
|
|
|
|
mdev->is_enabled = false;
|
|
mdev->dimm = NULL;
|
|
}
|
|
|
|
static const VMStateDescription vmstate_memhp_sts = {
|
|
.name = "memory hotplug device state",
|
|
.version_id = 1,
|
|
.minimum_version_id = 1,
|
|
.fields = (VMStateField[]) {
|
|
VMSTATE_BOOL(is_enabled, MemStatus),
|
|
VMSTATE_BOOL(is_inserting, MemStatus),
|
|
VMSTATE_UINT32(ost_event, MemStatus),
|
|
VMSTATE_UINT32(ost_status, MemStatus),
|
|
VMSTATE_END_OF_LIST()
|
|
}
|
|
};
|
|
|
|
const VMStateDescription vmstate_memory_hotplug = {
|
|
.name = "memory hotplug state",
|
|
.version_id = 1,
|
|
.minimum_version_id = 1,
|
|
.fields = (VMStateField[]) {
|
|
VMSTATE_UINT32(selector, MemHotplugState),
|
|
VMSTATE_STRUCT_VARRAY_POINTER_UINT32(devs, MemHotplugState, dev_count,
|
|
vmstate_memhp_sts, MemStatus),
|
|
VMSTATE_END_OF_LIST()
|
|
}
|
|
};
|
|
|
|
void build_memory_hotplug_aml(Aml *table, uint32_t nr_mem,
|
|
const char *res_root,
|
|
const char *event_handler_method,
|
|
AmlRegionSpace rs, hwaddr memhp_io_base)
|
|
{
|
|
int i;
|
|
Aml *ifctx;
|
|
Aml *method;
|
|
Aml *dev_container;
|
|
Aml *mem_ctrl_dev;
|
|
char *mhp_res_path;
|
|
|
|
mhp_res_path = g_strdup_printf("%s." MEMORY_HOTPLUG_DEVICE, res_root);
|
|
mem_ctrl_dev = aml_device("%s", mhp_res_path);
|
|
{
|
|
Aml *crs;
|
|
|
|
aml_append(mem_ctrl_dev, aml_name_decl("_HID", aml_string("PNP0A06")));
|
|
aml_append(mem_ctrl_dev,
|
|
aml_name_decl("_UID", aml_string("Memory hotplug resources")));
|
|
|
|
crs = aml_resource_template();
|
|
if (rs == AML_SYSTEM_IO) {
|
|
aml_append(crs,
|
|
aml_io(AML_DECODE16, memhp_io_base, memhp_io_base, 0,
|
|
MEMORY_HOTPLUG_IO_LEN)
|
|
);
|
|
} else {
|
|
aml_append(crs, aml_memory32_fixed(memhp_io_base,
|
|
MEMORY_HOTPLUG_IO_LEN, AML_READ_WRITE));
|
|
}
|
|
aml_append(mem_ctrl_dev, aml_name_decl("_CRS", crs));
|
|
|
|
aml_append(mem_ctrl_dev, aml_operation_region(
|
|
MEMORY_HOTPLUG_IO_REGION, rs,
|
|
aml_int(memhp_io_base), MEMORY_HOTPLUG_IO_LEN)
|
|
);
|
|
|
|
}
|
|
aml_append(table, mem_ctrl_dev);
|
|
|
|
dev_container = aml_device(MEMORY_DEVICES_CONTAINER);
|
|
{
|
|
Aml *field;
|
|
Aml *one = aml_int(1);
|
|
Aml *zero = aml_int(0);
|
|
Aml *ret_val = aml_local(0);
|
|
Aml *slot_arg0 = aml_arg(0);
|
|
Aml *slots_nr = aml_name(MEMORY_SLOTS_NUMBER);
|
|
Aml *ctrl_lock = aml_name(MEMORY_SLOT_LOCK);
|
|
Aml *slot_selector = aml_name(MEMORY_SLOT_SLECTOR);
|
|
char *mmio_path = g_strdup_printf("%s." MEMORY_HOTPLUG_IO_REGION,
|
|
mhp_res_path);
|
|
|
|
aml_append(dev_container, aml_name_decl("_HID", aml_string("PNP0A06")));
|
|
aml_append(dev_container,
|
|
aml_name_decl("_UID", aml_string("DIMM devices")));
|
|
|
|
assert(nr_mem <= ACPI_MAX_RAM_SLOTS);
|
|
aml_append(dev_container,
|
|
aml_name_decl(MEMORY_SLOTS_NUMBER, aml_int(nr_mem))
|
|
);
|
|
|
|
field = aml_field(mmio_path, AML_DWORD_ACC,
|
|
AML_NOLOCK, AML_PRESERVE);
|
|
aml_append(field, /* read only */
|
|
aml_named_field(MEMORY_SLOT_ADDR_LOW, 32));
|
|
aml_append(field, /* read only */
|
|
aml_named_field(MEMORY_SLOT_ADDR_HIGH, 32));
|
|
aml_append(field, /* read only */
|
|
aml_named_field(MEMORY_SLOT_SIZE_LOW, 32));
|
|
aml_append(field, /* read only */
|
|
aml_named_field(MEMORY_SLOT_SIZE_HIGH, 32));
|
|
aml_append(field, /* read only */
|
|
aml_named_field(MEMORY_SLOT_PROXIMITY, 32));
|
|
aml_append(dev_container, field);
|
|
|
|
field = aml_field(mmio_path, AML_BYTE_ACC,
|
|
AML_NOLOCK, AML_WRITE_AS_ZEROS);
|
|
aml_append(field, aml_reserved_field(160 /* bits, Offset(20) */));
|
|
aml_append(field, /* 1 if enabled, read only */
|
|
aml_named_field(MEMORY_SLOT_ENABLED, 1));
|
|
aml_append(field,
|
|
/*(read) 1 if has a insert event. (write) 1 to clear event */
|
|
aml_named_field(MEMORY_SLOT_INSERT_EVENT, 1));
|
|
aml_append(field,
|
|
/* (read) 1 if has a remove event. (write) 1 to clear event */
|
|
aml_named_field(MEMORY_SLOT_REMOVE_EVENT, 1));
|
|
aml_append(field,
|
|
/* initiates device eject, write only */
|
|
aml_named_field(MEMORY_SLOT_EJECT, 1));
|
|
aml_append(dev_container, field);
|
|
|
|
field = aml_field(mmio_path, AML_DWORD_ACC,
|
|
AML_NOLOCK, AML_PRESERVE);
|
|
aml_append(field, /* DIMM selector, write only */
|
|
aml_named_field(MEMORY_SLOT_SLECTOR, 32));
|
|
aml_append(field, /* _OST event code, write only */
|
|
aml_named_field(MEMORY_SLOT_OST_EVENT, 32));
|
|
aml_append(field, /* _OST status code, write only */
|
|
aml_named_field(MEMORY_SLOT_OST_STATUS, 32));
|
|
aml_append(dev_container, field);
|
|
g_free(mmio_path);
|
|
|
|
method = aml_method("_STA", 0, AML_NOTSERIALIZED);
|
|
ifctx = aml_if(aml_equal(slots_nr, zero));
|
|
{
|
|
aml_append(ifctx, aml_return(zero));
|
|
}
|
|
aml_append(method, ifctx);
|
|
/* present, functioning, decoding, not shown in UI */
|
|
aml_append(method, aml_return(aml_int(0xB)));
|
|
aml_append(dev_container, method);
|
|
|
|
aml_append(dev_container, aml_mutex(MEMORY_SLOT_LOCK, 0));
|
|
|
|
method = aml_method(MEMORY_SLOT_SCAN_METHOD, 0, AML_NOTSERIALIZED);
|
|
{
|
|
Aml *else_ctx;
|
|
Aml *while_ctx;
|
|
Aml *idx = aml_local(0);
|
|
Aml *eject_req = aml_int(3);
|
|
Aml *dev_chk = aml_int(1);
|
|
|
|
ifctx = aml_if(aml_equal(slots_nr, zero));
|
|
{
|
|
aml_append(ifctx, aml_return(zero));
|
|
}
|
|
aml_append(method, ifctx);
|
|
|
|
aml_append(method, aml_store(zero, idx));
|
|
aml_append(method, aml_acquire(ctrl_lock, 0xFFFF));
|
|
/* build AML that:
|
|
* loops over all slots and Notifies DIMMs with
|
|
* Device Check or Eject Request notifications if
|
|
* slot has corresponding status bit set and clears
|
|
* slot status.
|
|
*/
|
|
while_ctx = aml_while(aml_lless(idx, slots_nr));
|
|
{
|
|
Aml *ins_evt = aml_name(MEMORY_SLOT_INSERT_EVENT);
|
|
Aml *rm_evt = aml_name(MEMORY_SLOT_REMOVE_EVENT);
|
|
|
|
aml_append(while_ctx, aml_store(idx, slot_selector));
|
|
ifctx = aml_if(aml_equal(ins_evt, one));
|
|
{
|
|
aml_append(ifctx,
|
|
aml_call2(MEMORY_SLOT_NOTIFY_METHOD,
|
|
idx, dev_chk));
|
|
aml_append(ifctx, aml_store(one, ins_evt));
|
|
}
|
|
aml_append(while_ctx, ifctx);
|
|
|
|
else_ctx = aml_else();
|
|
ifctx = aml_if(aml_equal(rm_evt, one));
|
|
{
|
|
aml_append(ifctx,
|
|
aml_call2(MEMORY_SLOT_NOTIFY_METHOD,
|
|
idx, eject_req));
|
|
aml_append(ifctx, aml_store(one, rm_evt));
|
|
}
|
|
aml_append(else_ctx, ifctx);
|
|
aml_append(while_ctx, else_ctx);
|
|
|
|
aml_append(while_ctx, aml_add(idx, one, idx));
|
|
}
|
|
aml_append(method, while_ctx);
|
|
aml_append(method, aml_release(ctrl_lock));
|
|
aml_append(method, aml_return(one));
|
|
}
|
|
aml_append(dev_container, 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(dev_container, 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(dev_container, 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(dev_container, 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(dev_container, 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(dev_container, method);
|
|
|
|
/* build memory devices */
|
|
for (i = 0; i < nr_mem; i++) {
|
|
Aml *dev;
|
|
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 = 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 = 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 = 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 = MEMORY_SLOT_OST_METHOD;
|
|
aml_append(method,
|
|
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 = MEMORY_SLOT_EJECT_METHOD;
|
|
aml_append(method,
|
|
aml_call2(s, aml_name("_UID"), aml_arg(0)));
|
|
aml_append(dev, method);
|
|
|
|
aml_append(dev_container, 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(dev_container, method);
|
|
}
|
|
aml_append(table, dev_container);
|
|
|
|
if (event_handler_method) {
|
|
method = aml_method(event_handler_method, 0, AML_NOTSERIALIZED);
|
|
aml_append(method, aml_call0(MEMORY_DEVICES_CONTAINER "."
|
|
MEMORY_SLOT_SCAN_METHOD));
|
|
aml_append(table, method);
|
|
}
|
|
|
|
g_free(mhp_res_path);
|
|
}
|