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i386: define pc guest info

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This defines a structure that will be used to fill in acpi tables
where relevant properties are not yet available using QOM.

Reviewed-by: Laszlo Ersek <lersek@redhat.com>
Reviewed-by: Gerd Hoffmann <kraxel@redhat.com>
Tested-by: Gerd Hoffmann <kraxel@redhat.com>
Reviewed-by: Igor Mammedov <imammedo@redhat.com>
Tested-by: Igor Mammedov <imammedo@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
This commit is contained in:
Michael S. Tsirkin 2013-07-24 18:56:09 +03:00
parent d916b46494
commit b20c9bd5f6
2 changed files with 30 additions and 0 deletions
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21
hw/i386/pc.c
View File

@ -1047,6 +1047,27 @@ PcGuestInfo *pc_guest_info_init(ram_addr_t below_4g_mem_size,
{
PcGuestInfoState *guest_info_state = g_malloc0(sizeof *guest_info_state);
PcGuestInfo *guest_info = &guest_info_state->info;
int i, j;
guest_info->ram_size = below_4g_mem_size + above_4g_mem_size;
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 *
sizeof *guest_info->node_mem);
guest_info->node_cpu = g_malloc0(guest_info->apic_id_limit *
sizeof *guest_info->node_cpu);
for (i = 0; i < max_cpus; i++) {
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])) {
guest_info->node_cpu[apic_id] = j;
break;
}
}
}
guest_info_state->machine_done.notify = pc_guest_info_machine_done;
qemu_add_machine_init_done_notifier(&guest_info_state->machine_done);

9
include/hw/i386/pc.h
View File

@ -9,6 +9,9 @@
#include "hw/i386/ioapic.h"
#include "qemu/range.h"
#include "qemu/bitmap.h"
#include "sysemu/sysemu.h"
#include "hw/pci/pci.h"
/* PC-style peripherals (also used by other machines). */
@ -20,6 +23,12 @@ typedef struct PcPciInfo {
struct PcGuestInfo {
bool has_pci_info;
bool isapc_ram_fw;
hwaddr ram_size;
unsigned apic_id_limit;
bool apic_xrupt_override;
uint64_t numa_nodes;
uint64_t *node_mem;
uint64_t *node_cpu;
FWCfgState *fw_cfg;
};