Patchwork [v9,18/27] i386: define pc guest info

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Submitter Michael S. Tsirkin
Date Oct. 7, 2013, 9:36 a.m.
Message ID <1381138458-6848-19-git-send-email-mst@redhat.com>
Download mbox | patch
Permalink /patch/281039/
State New
Headers show

Comments

Michael S. Tsirkin - Oct. 7, 2013, 9:36 a.m.
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>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
---
 include/hw/i386/pc.h |  9 +++++++++
 hw/i386/pc.c         | 21 +++++++++++++++++++++
 2 files changed, 30 insertions(+)

Patch

diff --git a/include/hw/i386/pc.h b/include/hw/i386/pc.h
index 9b2ddc4..085a621 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 +23,12 @@  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;
 };
 
diff --git a/hw/i386/pc.c b/hw/i386/pc.c
index 0c313fe..d17d1d9 100644
--- a/hw/i386/pc.c
+++ b/hw/i386/pc.c
@@ -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);