aboutsummaryrefslogtreecommitdiff
path: root/vl.c
diff options
context:
space:
mode:
Diffstat (limited to 'vl.c')
-rw-r--r--vl.c34
1 files changed, 34 insertions, 0 deletions
diff --git a/vl.c b/vl.c
index ee93c73087..ea9e6529e9 100644
--- a/vl.c
+++ b/vl.c
@@ -39,6 +39,7 @@
#include "block.h"
#include "audio/audio.h"
#include "migration.h"
+#include "kvm.h"
#include <unistd.h>
#include <fcntl.h>
@@ -4782,6 +4783,9 @@ static void help(int exitcode)
"-kernel-kqemu enable KQEMU full virtualization (default is user mode only)\n"
"-no-kqemu disable KQEMU kernel module usage\n"
#endif
+#ifdef CONFIG_KVM
+ "-enable-kvm enable KVM full virtualization support\n"
+#endif
#ifdef TARGET_I386
"-no-acpi disable ACPI\n"
#endif
@@ -4887,6 +4891,7 @@ enum {
QEMU_OPTION_pidfile,
QEMU_OPTION_no_kqemu,
QEMU_OPTION_kernel_kqemu,
+ QEMU_OPTION_enable_kvm,
QEMU_OPTION_win2k_hack,
QEMU_OPTION_usb,
QEMU_OPTION_usbdevice,
@@ -4973,6 +4978,9 @@ static const QEMUOption qemu_options[] = {
{ "no-kqemu", 0, QEMU_OPTION_no_kqemu },
{ "kernel-kqemu", 0, QEMU_OPTION_kernel_kqemu },
#endif
+#ifdef CONFIG_KVM
+ { "enable-kvm", 0, QEMU_OPTION_enable_kvm },
+#endif
#if defined(TARGET_PPC) || defined(TARGET_SPARC)
{ "g", 1, QEMU_OPTION_g },
#endif
@@ -5794,6 +5802,14 @@ int main(int argc, char **argv)
kqemu_allowed = 2;
break;
#endif
+#ifdef CONFIG_KVM
+ case QEMU_OPTION_enable_kvm:
+ kvm_allowed = 1;
+#ifdef USE_KQEMU
+ kqemu_allowed = 0;
+#endif
+ break;
+#endif
case QEMU_OPTION_usb:
usb_enabled = 1;
break;
@@ -5928,6 +5944,14 @@ int main(int argc, char **argv)
}
}
+#if defined(CONFIG_KVM) && defined(USE_KQEMU)
+ if (kvm_allowed && kqemu_allowed) {
+ fprintf(stderr,
+ "You can not enable both KVM and kqemu at the same time\n");
+ exit(1);
+ }
+#endif
+
machine->max_cpus = machine->max_cpus ?: 1; /* Default to UP */
if (smp_cpus > machine->max_cpus) {
fprintf(stderr, "Number of SMP cpus requested (%d), exceeds max cpus "
@@ -6229,6 +6253,16 @@ int main(int argc, char **argv)
}
}
+ if (kvm_enabled()) {
+ int ret;
+
+ ret = kvm_init(smp_cpus);
+ if (ret < 0) {
+ fprintf(stderr, "failed to initialize KVM\n");
+ exit(1);
+ }
+ }
+
machine->init(ram_size, vga_ram_size, boot_devices, ds,
kernel_filename, kernel_cmdline, initrd_filename, cpu_model);