| #include "qemu/osdep.h" |
| #include "hw/acpi/memory_hotplug.h" |
| #include "hw/mem/pc-dimm.h" |
| #include "hw/boards.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); |
| } |
| } |
| 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->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); |
| } |
