#include "hw/boards.h"
#include "hw/pci/pci_host.h"
#include "acpi-build.h"
+#include "hw/mem/pc-dimm.h"
+#include "trace.h"
+#include "qapi/visitor.h"
/* debug PC/ISA interrupts */
//#define DEBUG_IRQ
#define DPRINTF(fmt, ...)
#endif
-/* Leave a chunk of memory at the top of RAM for the BIOS ACPI tables. */
-#define ACPI_DATA_SIZE 0x10000
+/* Leave a chunk of memory at the top of RAM for the BIOS ACPI tables
+ * (128K) and other BIOS datastructures (less than 4K reported to be used at
+ * the moment, 32K should be enough for a while). */
+static unsigned acpi_data_size = 0x20000 + 0x8000;
+void pc_set_legacy_acpi_data_size(void)
+{
+ acpi_data_size = 0x10000;
+}
+
#define BIOS_CFG_IOPORT 0x510
#define FW_CFG_ACPI_TABLES (FW_CFG_ARCH_LOCAL + 0)
#define FW_CFG_SMBIOS_ENTRIES (FW_CFG_ARCH_LOCAL + 1)
Port92State *s = opaque;
int oldval = s->outport;
- DPRINTF("port92: write 0x%02x\n", val);
+ DPRINTF("port92: write 0x%02" PRIx64 "\n", val);
s->outport = val;
qemu_set_irq(*s->a20_out, (val >> 1) & 1);
if ((val & 1) && !(oldval & 1)) {
.name = "port92",
.version_id = 1,
.minimum_version_id = 1,
- .minimum_version_id_old = 1,
- .fields = (VMStateField []) {
+ .fields = (VMStateField[]) {
VMSTATE_UINT8(outport, Port92State),
VMSTATE_END_OF_LIST()
}
unsigned int apic_id = x86_cpu_apic_id_from_index(i);
assert(apic_id < apic_id_limit);
for (j = 0; j < nb_numa_nodes; j++) {
- if (test_bit(i, node_cpumask[j])) {
+ if (test_bit(i, numa_info[j].node_cpu)) {
numa_fw_cfg[apic_id + 1] = cpu_to_le64(j);
break;
}
}
}
for (i = 0; i < nb_numa_nodes; i++) {
- numa_fw_cfg[apic_id_limit + 1 + i] = cpu_to_le64(node_mem[i]);
+ numa_fw_cfg[apic_id_limit + 1 + i] = cpu_to_le64(numa_info[i].node_mem);
}
fw_cfg_add_bytes(fw_cfg, FW_CFG_NUMA, numa_fw_cfg,
(1 + apic_id_limit + nb_numa_nodes) *
initrd_max = 0x37ffffff;
}
- if (initrd_max >= max_ram_size-ACPI_DATA_SIZE)
- initrd_max = max_ram_size-ACPI_DATA_SIZE-1;
+ if (initrd_max >= max_ram_size - acpi_data_size) {
+ initrd_max = max_ram_size - acpi_data_size - 1;
+ }
fw_cfg_add_i32(fw_cfg, FW_CFG_CMDLINE_ADDR, cmdline_addr);
fw_cfg_add_i32(fw_cfg, FW_CFG_CMDLINE_SIZE, strlen(kernel_cmdline)+1);
0x280, 0x380 };
static const int ne2000_irq[NE2000_NB_MAX] = { 9, 10, 11, 3, 4, 5 };
-static const int parallel_io[MAX_PARALLEL_PORTS] = { 0x378, 0x278, 0x3bc };
-static const int parallel_irq[MAX_PARALLEL_PORTS] = { 7, 7, 7 };
-
void pc_init_ne2k_isa(ISABus *bus, NICInfo *nd)
{
static int nb_ne2k = 0;
uint64_t w64_max;
} PcRomPciInfo;
-static void pc_fw_cfg_guest_info(PcGuestInfo *guest_info)
-{
- PcRomPciInfo *info;
- Object *pci_info;
- bool ambiguous = false;
-
- if (!guest_info->has_pci_info || !guest_info->fw_cfg) {
- return;
- }
- pci_info = object_resolve_path_type("", TYPE_PCI_HOST_BRIDGE, &ambiguous);
- g_assert(!ambiguous);
- if (!pci_info) {
- return;
- }
-
- info = g_malloc(sizeof *info);
- info->w32_min = cpu_to_le64(object_property_get_int(pci_info,
- PCI_HOST_PROP_PCI_HOLE_START, NULL));
- info->w32_max = cpu_to_le64(object_property_get_int(pci_info,
- PCI_HOST_PROP_PCI_HOLE_END, NULL));
- info->w64_min = cpu_to_le64(object_property_get_int(pci_info,
- PCI_HOST_PROP_PCI_HOLE64_START, NULL));
- info->w64_max = cpu_to_le64(object_property_get_int(pci_info,
- PCI_HOST_PROP_PCI_HOLE64_END, NULL));
- /* Pass PCI hole info to guest via a side channel.
- * Required so guest PCI enumeration does the right thing. */
- fw_cfg_add_file(guest_info->fw_cfg, "etc/pci-info", info, sizeof *info);
-}
-
typedef struct PcGuestInfoState {
PcGuestInfo info;
Notifier machine_done;
PcGuestInfoState *guest_info_state = container_of(notifier,
PcGuestInfoState,
machine_done);
- pc_fw_cfg_guest_info(&guest_info_state->info);
acpi_setup(&guest_info_state->info);
}
guest_info->apic_id_limit = pc_apic_id_limit(max_cpus);
guest_info->apic_xrupt_override = kvm_allows_irq0_override();
guest_info->numa_nodes = nb_numa_nodes;
- guest_info->node_mem = g_memdup(node_mem, guest_info->numa_nodes *
+ guest_info->node_mem = g_malloc0(guest_info->numa_nodes *
sizeof *guest_info->node_mem);
+ for (i = 0; i < nb_numa_nodes; i++) {
+ guest_info->node_mem[i] = numa_info[i].node_mem;
+ }
+
guest_info->node_cpu = g_malloc0(guest_info->apic_id_limit *
sizeof *guest_info->node_cpu);
unsigned int apic_id = x86_cpu_apic_id_from_index(i);
assert(apic_id < guest_info->apic_id_limit);
for (j = 0; j < nb_numa_nodes; j++) {
- if (test_bit(i, node_cpumask[j])) {
+ if (test_bit(i, numa_info[j].node_cpu)) {
guest_info->node_cpu[apic_id] = j;
break;
}
}
}
-FWCfgState *pc_memory_init(MemoryRegion *system_memory,
- const char *kernel_filename,
+FWCfgState *xen_load_linux(const char *kernel_filename,
const char *kernel_cmdline,
const char *initrd_filename,
ram_addr_t below_4g_mem_size,
+ PcGuestInfo *guest_info)
+{
+ int i;
+ FWCfgState *fw_cfg;
+
+ assert(kernel_filename != NULL);
+
+ fw_cfg = fw_cfg_init(BIOS_CFG_IOPORT, BIOS_CFG_IOPORT + 1, 0, 0);
+ rom_set_fw(fw_cfg);
+
+ load_linux(fw_cfg, kernel_filename, initrd_filename,
+ kernel_cmdline, below_4g_mem_size);
+ for (i = 0; i < nb_option_roms; i++) {
+ assert(!strcmp(option_rom[i].name, "linuxboot.bin") ||
+ !strcmp(option_rom[i].name, "multiboot.bin"));
+ rom_add_option(option_rom[i].name, option_rom[i].bootindex);
+ }
+ guest_info->fw_cfg = fw_cfg;
+ return fw_cfg;
+}
+
+FWCfgState *pc_memory_init(MachineState *machine,
+ MemoryRegion *system_memory,
+ ram_addr_t below_4g_mem_size,
ram_addr_t above_4g_mem_size,
MemoryRegion *rom_memory,
MemoryRegion **ram_memory,
MemoryRegion *ram, *option_rom_mr;
MemoryRegion *ram_below_4g, *ram_above_4g;
FWCfgState *fw_cfg;
+ PCMachineState *pcms = PC_MACHINE(machine);
+
+ assert(machine->ram_size == below_4g_mem_size + above_4g_mem_size);
- linux_boot = (kernel_filename != NULL);
+ linux_boot = (machine->kernel_filename != NULL);
/* Allocate RAM. We allocate it as a single memory region and use
* aliases to address portions of it, mostly for backwards compatibility
* with older qemus that used qemu_ram_alloc().
*/
ram = g_malloc(sizeof(*ram));
- memory_region_init_ram(ram, NULL, "pc.ram",
- below_4g_mem_size + above_4g_mem_size);
- vmstate_register_ram_global(ram);
+ memory_region_allocate_system_memory(ram, NULL, "pc.ram",
+ machine->ram_size);
*ram_memory = ram;
ram_below_4g = g_malloc(sizeof(*ram_below_4g));
memory_region_init_alias(ram_below_4g, NULL, "ram-below-4g", ram,
e820_add_entry(0x100000000ULL, above_4g_mem_size, E820_RAM);
}
+ if (!guest_info->has_reserved_memory &&
+ (machine->ram_slots ||
+ (machine->maxram_size > machine->ram_size))) {
+ MachineClass *mc = MACHINE_GET_CLASS(machine);
+
+ error_report("\"-memory 'slots|maxmem'\" is not supported by: %s",
+ mc->name);
+ exit(EXIT_FAILURE);
+ }
+
+ /* initialize hotplug memory address space */
+ if (guest_info->has_reserved_memory &&
+ (machine->ram_size < machine->maxram_size)) {
+ ram_addr_t hotplug_mem_size =
+ machine->maxram_size - machine->ram_size;
+
+ if (machine->ram_slots > ACPI_MAX_RAM_SLOTS) {
+ error_report("unsupported amount of memory slots: %"PRIu64,
+ machine->ram_slots);
+ exit(EXIT_FAILURE);
+ }
+
+ pcms->hotplug_memory_base =
+ ROUND_UP(0x100000000ULL + above_4g_mem_size, 1ULL << 30);
+
+ if ((pcms->hotplug_memory_base + hotplug_mem_size) <
+ hotplug_mem_size) {
+ error_report("unsupported amount of maximum memory: " RAM_ADDR_FMT,
+ machine->maxram_size);
+ exit(EXIT_FAILURE);
+ }
+
+ memory_region_init(&pcms->hotplug_memory, OBJECT(pcms),
+ "hotplug-memory", hotplug_mem_size);
+ memory_region_add_subregion(system_memory, pcms->hotplug_memory_base,
+ &pcms->hotplug_memory);
+ }
/* Initialize PC system firmware */
pc_system_firmware_init(rom_memory, guest_info->isapc_ram_fw);
option_rom_mr = g_malloc(sizeof(*option_rom_mr));
- memory_region_init_ram(option_rom_mr, NULL, "pc.rom", PC_ROM_SIZE);
+ memory_region_init_ram(option_rom_mr, NULL, "pc.rom", PC_ROM_SIZE,
+ &error_abort);
vmstate_register_ram_global(option_rom_mr);
memory_region_add_subregion_overlap(rom_memory,
PC_ROM_MIN_VGA,
fw_cfg = bochs_bios_init();
rom_set_fw(fw_cfg);
+ if (guest_info->has_reserved_memory && pcms->hotplug_memory_base) {
+ uint64_t *val = g_malloc(sizeof(*val));
+ *val = cpu_to_le64(ROUND_UP(pcms->hotplug_memory_base, 0x1ULL << 30));
+ fw_cfg_add_file(fw_cfg, "etc/reserved-memory-end", val, sizeof(*val));
+ }
+
if (linux_boot) {
- load_linux(fw_cfg, kernel_filename, initrd_filename, kernel_cmdline, below_4g_mem_size);
+ load_linux(fw_cfg, machine->kernel_filename, machine->initrd_filename,
+ machine->kernel_cmdline, below_4g_mem_size);
}
for (i = 0; i < nb_option_roms; i++) {
gsi_state->ioapic_irq[i] = qdev_get_gpio_in(dev, i);
}
}
+
+static void pc_generic_machine_class_init(ObjectClass *oc, void *data)
+{
+ MachineClass *mc = MACHINE_CLASS(oc);
+ QEMUMachine *qm = data;
+
+ mc->name = qm->name;
+ mc->alias = qm->alias;
+ mc->desc = qm->desc;
+ mc->init = qm->init;
+ mc->reset = qm->reset;
+ mc->hot_add_cpu = qm->hot_add_cpu;
+ mc->kvm_type = qm->kvm_type;
+ mc->block_default_type = qm->block_default_type;
+ mc->units_per_default_bus = qm->units_per_default_bus;
+ mc->max_cpus = qm->max_cpus;
+ mc->no_serial = qm->no_serial;
+ mc->no_parallel = qm->no_parallel;
+ mc->use_virtcon = qm->use_virtcon;
+ mc->use_sclp = qm->use_sclp;
+ mc->no_floppy = qm->no_floppy;
+ mc->no_cdrom = qm->no_cdrom;
+ mc->no_sdcard = qm->no_sdcard;
+ mc->is_default = qm->is_default;
+ mc->default_machine_opts = qm->default_machine_opts;
+ mc->default_boot_order = qm->default_boot_order;
+ mc->compat_props = qm->compat_props;
+ mc->hw_version = qm->hw_version;
+}
+
+void qemu_register_pc_machine(QEMUMachine *m)
+{
+ char *name = g_strconcat(m->name, TYPE_MACHINE_SUFFIX, NULL);
+ TypeInfo ti = {
+ .name = name,
+ .parent = TYPE_PC_MACHINE,
+ .class_init = pc_generic_machine_class_init,
+ .class_data = (void *)m,
+ };
+
+ type_register(&ti);
+ g_free(name);
+}
+
+static void pc_dimm_plug(HotplugHandler *hotplug_dev,
+ DeviceState *dev, Error **errp)
+{
+ int slot;
+ HotplugHandlerClass *hhc;
+ Error *local_err = NULL;
+ PCMachineState *pcms = PC_MACHINE(hotplug_dev);
+ MachineState *machine = MACHINE(hotplug_dev);
+ PCDIMMDevice *dimm = PC_DIMM(dev);
+ PCDIMMDeviceClass *ddc = PC_DIMM_GET_CLASS(dimm);
+ MemoryRegion *mr = ddc->get_memory_region(dimm);
+ uint64_t addr = object_property_get_int(OBJECT(dimm), PC_DIMM_ADDR_PROP,
+ &local_err);
+ if (local_err) {
+ goto out;
+ }
+
+ addr = pc_dimm_get_free_addr(pcms->hotplug_memory_base,
+ memory_region_size(&pcms->hotplug_memory),
+ !addr ? NULL : &addr,
+ memory_region_size(mr), &local_err);
+ if (local_err) {
+ goto out;
+ }
+
+ object_property_set_int(OBJECT(dev), addr, PC_DIMM_ADDR_PROP, &local_err);
+ if (local_err) {
+ goto out;
+ }
+ trace_mhp_pc_dimm_assigned_address(addr);
+
+ slot = object_property_get_int(OBJECT(dev), PC_DIMM_SLOT_PROP, &local_err);
+ if (local_err) {
+ goto out;
+ }
+
+ slot = pc_dimm_get_free_slot(slot == PC_DIMM_UNASSIGNED_SLOT ? NULL : &slot,
+ machine->ram_slots, &local_err);
+ if (local_err) {
+ goto out;
+ }
+ object_property_set_int(OBJECT(dev), slot, PC_DIMM_SLOT_PROP, &local_err);
+ if (local_err) {
+ goto out;
+ }
+ trace_mhp_pc_dimm_assigned_slot(slot);
+
+ if (!pcms->acpi_dev) {
+ error_setg(&local_err,
+ "memory hotplug is not enabled: missing acpi device");
+ goto out;
+ }
+
+ memory_region_add_subregion(&pcms->hotplug_memory,
+ addr - pcms->hotplug_memory_base, mr);
+ vmstate_register_ram(mr, dev);
+
+ hhc = HOTPLUG_HANDLER_GET_CLASS(pcms->acpi_dev);
+ hhc->plug(HOTPLUG_HANDLER(pcms->acpi_dev), dev, &local_err);
+out:
+ error_propagate(errp, local_err);
+}
+
+static void pc_machine_device_plug_cb(HotplugHandler *hotplug_dev,
+ DeviceState *dev, Error **errp)
+{
+ if (object_dynamic_cast(OBJECT(dev), TYPE_PC_DIMM)) {
+ pc_dimm_plug(hotplug_dev, dev, errp);
+ }
+}
+
+static HotplugHandler *pc_get_hotpug_handler(MachineState *machine,
+ DeviceState *dev)
+{
+ PCMachineClass *pcmc = PC_MACHINE_GET_CLASS(machine);
+
+ if (object_dynamic_cast(OBJECT(dev), TYPE_PC_DIMM)) {
+ return HOTPLUG_HANDLER(machine);
+ }
+
+ return pcmc->get_hotplug_handler ?
+ pcmc->get_hotplug_handler(machine, dev) : NULL;
+}
+
+static void
+pc_machine_get_hotplug_memory_region_size(Object *obj, Visitor *v, void *opaque,
+ const char *name, Error **errp)
+{
+ PCMachineState *pcms = PC_MACHINE(obj);
+ int64_t value = memory_region_size(&pcms->hotplug_memory);
+
+ visit_type_int(v, &value, name, errp);
+}
+
+static void pc_machine_get_max_ram_below_4g(Object *obj, Visitor *v,
+ void *opaque, const char *name,
+ Error **errp)
+{
+ PCMachineState *pcms = PC_MACHINE(obj);
+ uint64_t value = pcms->max_ram_below_4g;
+
+ visit_type_size(v, &value, name, errp);
+}
+
+static void pc_machine_set_max_ram_below_4g(Object *obj, Visitor *v,
+ void *opaque, const char *name,
+ Error **errp)
+{
+ PCMachineState *pcms = PC_MACHINE(obj);
+ Error *error = NULL;
+ uint64_t value;
+
+ visit_type_size(v, &value, name, &error);
+ if (error) {
+ error_propagate(errp, error);
+ return;
+ }
+ if (value > (1ULL << 32)) {
+ error_set(&error, ERROR_CLASS_GENERIC_ERROR,
+ "Machine option 'max-ram-below-4g=%"PRIu64
+ "' expects size less than or equal to 4G", value);
+ error_propagate(errp, error);
+ return;
+ }
+
+ if (value < (1ULL << 20)) {
+ error_report("Warning: small max_ram_below_4g(%"PRIu64
+ ") less than 1M. BIOS may not work..",
+ value);
+ }
+
+ pcms->max_ram_below_4g = value;
+}
+
+static void pc_machine_initfn(Object *obj)
+{
+ PCMachineState *pcms = PC_MACHINE(obj);
+
+ object_property_add(obj, PC_MACHINE_MEMHP_REGION_SIZE, "int",
+ pc_machine_get_hotplug_memory_region_size,
+ NULL, NULL, NULL, NULL);
+ pcms->max_ram_below_4g = 1ULL << 32; /* 4G */
+ object_property_add(obj, PC_MACHINE_MAX_RAM_BELOW_4G, "size",
+ pc_machine_get_max_ram_below_4g,
+ pc_machine_set_max_ram_below_4g,
+ NULL, NULL, NULL);
+}
+
+static void pc_machine_class_init(ObjectClass *oc, void *data)
+{
+ MachineClass *mc = MACHINE_CLASS(oc);
+ PCMachineClass *pcmc = PC_MACHINE_CLASS(oc);
+ HotplugHandlerClass *hc = HOTPLUG_HANDLER_CLASS(oc);
+
+ pcmc->get_hotplug_handler = mc->get_hotplug_handler;
+ mc->get_hotplug_handler = pc_get_hotpug_handler;
+ hc->plug = pc_machine_device_plug_cb;
+}
+
+static const TypeInfo pc_machine_info = {
+ .name = TYPE_PC_MACHINE,
+ .parent = TYPE_MACHINE,
+ .abstract = true,
+ .instance_size = sizeof(PCMachineState),
+ .instance_init = pc_machine_initfn,
+ .class_size = sizeof(PCMachineClass),
+ .class_init = pc_machine_class_init,
+ .interfaces = (InterfaceInfo[]) {
+ { TYPE_HOTPLUG_HANDLER },
+ { }
+ },
+};
+
+static void pc_machine_register_types(void)
+{
+ type_register_static(&pc_machine_info);
+}
+
+type_init(pc_machine_register_types)
projects / qemu.git / blobdiff