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[Qemu-devel] [PATCH] Introduce machine specific default memory size
From: |
Nikunj A Dadhania |
Subject: |
[Qemu-devel] [PATCH] Introduce machine specific default memory size |
Date: |
Tue, 3 Mar 2015 18:24:34 +0530 |
Qemu default memory of 128MB is not enough to boot spapr
guest. Introduce a property in the machine class to override the
default memory size enforced by qemu.
Signed-off-by: Nikunj A Dadhania <address@hidden>
---
hw/ppc/spapr.c | 1 +
include/hw/boards.h | 1 +
include/hw/ppc/spapr.h | 3 +++
vl.c | 12 ++++++++++++
4 files changed, 17 insertions(+)
diff --git a/hw/ppc/spapr.c b/hw/ppc/spapr.c
index 30de25d..857035e 100644
--- a/hw/ppc/spapr.c
+++ b/hw/ppc/spapr.c
@@ -1686,6 +1686,7 @@ static void spapr_machine_class_init(ObjectClass *oc,
void *data)
mc->max_cpus = MAX_CPUS;
mc->no_parallel = 1;
mc->default_boot_order = NULL;
+ mc->default_ram_size = SPAPR_DEFAULT_RAM_SIZE;
mc->kvm_type = spapr_kvm_type;
mc->has_dynamic_sysbus = true;
diff --git a/include/hw/boards.h b/include/hw/boards.h
index e0a6790..9fe264f 100644
--- a/include/hw/boards.h
+++ b/include/hw/boards.h
@@ -106,6 +106,7 @@ struct MachineClass {
const char *default_display;
GlobalProperty *compat_props;
const char *hw_version;
+ ram_addr_t default_ram_size;
HotplugHandler *(*get_hotplug_handler)(MachineState *machine,
DeviceState *dev);
diff --git a/include/hw/ppc/spapr.h b/include/hw/ppc/spapr.h
index 749daf4..2f83458 100644
--- a/include/hw/ppc/spapr.h
+++ b/include/hw/ppc/spapr.h
@@ -443,6 +443,9 @@ int spapr_rtas_device_tree_setup(void *fdt, hwaddr
rtas_addr,
#define SPAPR_VIO_BASE_LIOBN 0x00000000
#define SPAPR_PCI_BASE_LIOBN 0x80000000
+/* Default to 1GB guest ram_size */
+#define SPAPR_DEFAULT_RAM_SIZE (1ULL << 30)
+
#define RTAS_ERROR_LOG_MAX 2048
typedef struct sPAPRTCETable sPAPRTCETable;
diff --git a/vl.c b/vl.c
index eb89d62..dd56754 100644
--- a/vl.c
+++ b/vl.c
@@ -4053,6 +4053,18 @@ int main(int argc, char **argv, char **envp)
exit(1);
}
+ if (machine_class->default_ram_size && ram_size <
machine_class->default_ram_size) {
+ fprintf(stderr, "qemu: %s guest ram size defaulting to %ld MB\n",
+ machine_class->name,
+ machine_class->default_ram_size / (1024 * 1024));
+ ram_size = machine_class->default_ram_size;
+
+ /* if maxram size is not provided in options use machine default */
+ if (maxram_size == default_ram_size) {
+ maxram_size = machine_class->default_ram_size;
+ }
+ }
+
/* store value for the future use */
qemu_opt_set_number(qemu_find_opts_singleton("memory"), "size", ram_size);
--
1.8.3.1
- [Qemu-devel] [PATCH] Introduce machine specific default memory size,
Nikunj A Dadhania <=
- Re: [Qemu-devel] [PATCH] Introduce machine specific default memory size, Markus Armbruster, 2015/03/04
- Re: [Qemu-devel] [PATCH] Introduce machine specific default memory size, Nikunj A Dadhania, 2015/03/04
- Re: [Qemu-devel] [PATCH] Introduce machine specific default memory size, Thomas Huth, 2015/03/04
- Re: [Qemu-devel] [PATCH] Introduce machine specific default memory size, Nikunj A Dadhania, 2015/03/04
- Re: [Qemu-devel] [PATCH] Introduce machine specific default memory size, Thomas Huth, 2015/03/04
- Re: [Qemu-devel] [PATCH] Introduce machine specific default memory size, Nikunj A Dadhania, 2015/03/04
- Re: [Qemu-devel] [PATCH] Introduce machine specific default memory size, Thomas Huth, 2015/03/04
- Re: [Qemu-devel] [PATCH] Introduce machine specific default memory size, Nikunj A Dadhania, 2015/03/04
- Re: [Qemu-devel] [Qemu-ppc] [PATCH] Introduce machine specific default memory size, Nikunj A Dadhania, 2015/03/04