diff options
Diffstat (limited to 'hw/acpi/memory_hotplug.c')
-rw-r--r-- | hw/acpi/memory_hotplug.c | 730 |
1 files changed, 730 insertions, 0 deletions
diff --git a/hw/acpi/memory_hotplug.c b/hw/acpi/memory_hotplug.c new file mode 100644 index 000000000..d0fffcf78 --- /dev/null +++ b/hw/acpi/memory_hotplug.c @@ -0,0 +1,730 @@ +#include "qemu/osdep.h" +#include "hw/acpi/memory_hotplug.h" +#include "hw/acpi/pc-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, + .minimum_version_id_old = 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, + .minimum_version_id_old = 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); +} |