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[Qemu-devel] [PATCH v7 19/27] i386: define pc guest info
From: |
Michael S. Tsirkin |
Subject: |
[Qemu-devel] [PATCH v7 19/27] i386: define pc guest info |
Date: |
Wed, 2 Oct 2013 00:27:14 +0300 |
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 <address@hidden>
Reviewed-by: Gerd Hoffmann <address@hidden>
Tested-by: Gerd Hoffmann <address@hidden>
Signed-off-by: Michael S. Tsirkin <address@hidden>
---
include/hw/i386/pc.h | 10 ++++++++++
hw/i386/pc.c | 35 +++++++++++++++++++++++++++++++++++
2 files changed, 45 insertions(+)
diff --git a/include/hw/i386/pc.h b/include/hw/i386/pc.h
index 9b2ddc4..7a343f8 100644
--- a/include/hw/i386/pc.h
+++ b/include/hw/i386/pc.h
@@ -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 +23,13 @@ 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;
+ DECLARE_BITMAP(found_cpus, MAX_CPUMASK_BITS + 1);
FWCfgState *fw_cfg;
};
diff --git a/hw/i386/pc.c b/hw/i386/pc.c
index 0c313fe..3aa4088 100644
--- a/hw/i386/pc.c
+++ b/hw/i386/pc.c
@@ -1028,6 +1028,26 @@ static void pc_fw_cfg_guest_info(PcGuestInfo *guest_info)
fw_cfg_add_file(guest_info->fw_cfg, "etc/pci-info", info, sizeof *info);
}
+static void pc_set_cpu_guest_info(CPUState *cpu, PcGuestInfo *guest_info)
+{
+ CPUClass *klass = CPU_GET_CLASS(cpu);
+ uint64_t apic_id = klass->get_arch_id(cpu);
+ int j;
+
+ assert(apic_id <= MAX_CPUMASK_BITS);
+ assert(apic_id < guest_info->apic_id_limit);
+
+ set_bit(apic_id, guest_info->found_cpus);
+
+ for (j = 0; j < guest_info->numa_nodes; j++) {
+ assert(cpu->cpu_index < max_cpus);
+ if (test_bit(cpu->cpu_index, node_cpumask[j])) {
+ guest_info->node_cpu[apic_id] = cpu_to_le64(j);
+ break;
+ }
+ }
+}
+
typedef struct PcGuestInfoState {
PcGuestInfo info;
Notifier machine_done;
@@ -1047,6 +1067,21 @@ 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;
+ CPUState *cpu;
+
+ 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);
+
+ memset(&guest_info->found_cpus, 0, sizeof guest_info->found_cpus);
+ CPU_FOREACH(cpu) {
+ pc_set_cpu_guest_info(cpu, guest_info);
+ }
guest_info_state->machine_done.notify = pc_guest_info_machine_done;
qemu_add_machine_init_done_notifier(&guest_info_state->machine_done);
--
MST
- [Qemu-devel] [PATCH v7 09/27] pcie_host: expose address format, (continued)
- [Qemu-devel] [PATCH v7 09/27] pcie_host: expose address format, Michael S. Tsirkin, 2013/10/01
- [Qemu-devel] [PATCH v7 10/27] q35: use macro for MCFG property name, Michael S. Tsirkin, 2013/10/01
- [Qemu-devel] [PATCH v7 11/27] q35: expose mmcfg size as a property, Michael S. Tsirkin, 2013/10/01
- [Qemu-devel] [PATCH v7 13/27] acpi: add rules to compile ASL source, Michael S. Tsirkin, 2013/10/01
- [Qemu-devel] [PATCH v7 12/27] i386: add ACPI table files from seabios, Michael S. Tsirkin, 2013/10/01
- [Qemu-devel] [PATCH v7 15/27] acpi: ssdt pcihp: updat generated file, Michael S. Tsirkin, 2013/10/01
- [Qemu-devel] [PATCH v7 14/27] acpi: pre-compiled ASL files, Michael S. Tsirkin, 2013/10/01
- [Qemu-devel] [PATCH v7 17/27] i386: add bios linker/loader, Michael S. Tsirkin, 2013/10/01
- [Qemu-devel] [PATCH v7 16/27] loader: use file path size from fw_cfg.h, Michael S. Tsirkin, 2013/10/01
- [Qemu-devel] [PATCH v7 18/27] loader: allow adding ROMs in done callbacks, Michael S. Tsirkin, 2013/10/01
- [Qemu-devel] [PATCH v7 19/27] i386: define pc guest info,
Michael S. Tsirkin <=
- [Qemu-devel] [PATCH v7 20/27] acpi/piix: add macros for acpi property names, Michael S. Tsirkin, 2013/10/01
- [Qemu-devel] [PATCH v7 21/27] piix: APIs for pc guest info, Michael S. Tsirkin, 2013/10/01
- [Qemu-devel] [PATCH v7 22/27] ich9: APIs for pc guest info, Michael S. Tsirkin, 2013/10/01
- [Qemu-devel] [PATCH v7 23/27] pvpanic: add API to access io port, Michael S. Tsirkin, 2013/10/01
- [Qemu-devel] [PATCH v7 24/27] hpet: add API to find it, Michael S. Tsirkin, 2013/10/01
- [Qemu-devel] [PATCH v7 25/27] i386: ACPI table generation code from seabios, Michael S. Tsirkin, 2013/10/01
- [Qemu-devel] [PATCH v7 26/27] ssdt: fix PBLK length, Michael S. Tsirkin, 2013/10/01
- [Qemu-devel] [PATCH v7 27/27] ssdt-proc: update generated file, Michael S. Tsirkin, 2013/10/01
- Re: [Qemu-devel] [PATCH v7 00/27] qemu: generate acpi tables for the guest, Igor Mammedov, 2013/10/02