diff options
Diffstat (limited to 'vl.c')
| -rw-r--r-- | vl.c | 142 |
1 files changed, 130 insertions, 12 deletions
@@ -257,7 +257,9 @@ static NotifierList exit_notifiers = static NotifierList machine_init_done_notifiers = NOTIFIER_LIST_INITIALIZER(machine_init_done_notifiers); +static int tcg_allowed = 1; int kvm_allowed = 0; +int xen_allowed = 0; uint32_t xen_domid; enum xen_mode xen_mode = XEN_EMULATE; @@ -277,13 +279,18 @@ static struct { { .driver = "isa-serial", .flag = &default_serial }, { .driver = "isa-parallel", .flag = &default_parallel }, { .driver = "isa-fdc", .flag = &default_floppy }, + { .driver = "ide-cd", .flag = &default_cdrom }, + { .driver = "ide-hd", .flag = &default_cdrom }, { .driver = "ide-drive", .flag = &default_cdrom }, + { .driver = "scsi-cd", .flag = &default_cdrom }, { .driver = "virtio-serial-pci", .flag = &default_virtcon }, { .driver = "virtio-serial-s390", .flag = &default_virtcon }, { .driver = "virtio-serial", .flag = &default_virtcon }, { .driver = "VGA", .flag = &default_vga }, { .driver = "cirrus-vga", .flag = &default_vga }, { .driver = "vmware-svga", .flag = &default_vga }, + { .driver = "isa-vga", .flag = &default_vga }, + { .driver = "qxl-vga", .flag = &default_vga }, }; static int default_driver_check(QemuOpts *opts, void *opaque) @@ -1159,6 +1166,16 @@ static int powerdown_requested; static int debug_requested; static int vmstop_requested; +int qemu_shutdown_requested_get(void) +{ + return shutdown_requested; +} + +int qemu_reset_requested_get(void) +{ + return reset_requested; +} + int qemu_shutdown_requested(void) { int r = shutdown_requested; @@ -1876,6 +1893,84 @@ static int debugcon_parse(const char *devname) return 0; } +static int tcg_init(void) +{ + return 0; +} + +static struct { + const char *opt_name; + const char *name; + int (*available)(void); + int (*init)(void); + int *allowed; +} accel_list[] = { + { "tcg", "tcg", tcg_available, tcg_init, &tcg_allowed }, + { "xen", "Xen", xen_available, xen_init, &xen_allowed }, + { "kvm", "KVM", kvm_available, kvm_init, &kvm_allowed }, +}; + +static int configure_accelerator(void) +{ + const char *p = NULL; + char buf[10]; + int i, ret; + bool accel_initalised = 0; + bool init_failed = 0; + + QemuOptsList *list = qemu_find_opts("machine"); + if (!QTAILQ_EMPTY(&list->head)) { + p = qemu_opt_get(QTAILQ_FIRST(&list->head), "accel"); + } + + if (p == NULL) { + /* Use the default "accelerator", tcg */ + p = "tcg"; + } + + while (!accel_initalised && *p != '\0') { + if (*p == ':') { + p++; + } + p = get_opt_name(buf, sizeof (buf), p, ':'); + for (i = 0; i < ARRAY_SIZE(accel_list); i++) { + if (strcmp(accel_list[i].opt_name, buf) == 0) { + *(accel_list[i].allowed) = 1; + ret = accel_list[i].init(); + if (ret < 0) { + init_failed = 1; + if (!accel_list[i].available()) { + printf("%s not supported for this target\n", + accel_list[i].name); + } else { + fprintf(stderr, "failed to initialize %s: %s\n", + accel_list[i].name, + strerror(-ret)); + } + *(accel_list[i].allowed) = 0; + } else { + accel_initalised = 1; + } + break; + } + } + if (i == ARRAY_SIZE(accel_list)) { + fprintf(stderr, "\"%s\" accelerator does not exist.\n", buf); + } + } + + if (!accel_initalised) { + fprintf(stderr, "No accelerator found!\n"); + exit(1); + } + + if (init_failed) { + fprintf(stderr, "Back to %s accelerator.\n", accel_list[i].name); + } + + return !accel_initalised; +} + void qemu_add_exit_notifier(Notifier *notify) { notifier_list_add(&exit_notifiers, notify); @@ -2576,7 +2671,18 @@ int main(int argc, char **argv, char **envp) do_smbios_option(optarg); break; case QEMU_OPTION_enable_kvm: - kvm_allowed = 1; + olist = qemu_find_opts("machine"); + qemu_opts_reset(olist); + qemu_opts_parse(olist, "accel=kvm", 0); + break; + case QEMU_OPTION_machine: + olist = qemu_find_opts("machine"); + qemu_opts_reset(olist); + opts = qemu_opts_parse(olist, optarg, 0); + if (!opts) { + fprintf(stderr, "parse error: %s\n", optarg); + exit(1); + } break; case QEMU_OPTION_usb: usb_enabled = 1; @@ -2826,6 +2932,28 @@ int main(int argc, char **argv, char **envp) exit(1); } + /* + * Get the default machine options from the machine if it is not already + * specified either by the configuration file or by the command line. + */ + if (machine->default_machine_opts) { + QemuOptsList *list = qemu_find_opts("machine"); + const char *p = NULL; + + if (!QTAILQ_EMPTY(&list->head)) { + p = qemu_opt_get(QTAILQ_FIRST(&list->head), "accel"); + } + if (p == NULL) { + opts = qemu_opts_parse(qemu_find_opts("machine"), + machine->default_machine_opts, 0); + if (!opts) { + fprintf(stderr, "parse error for machine %s: %s\n", + machine->name, machine->default_machine_opts); + exit(1); + } + } + } + qemu_opts_foreach(qemu_find_opts("device"), default_driver_check, NULL, 0); qemu_opts_foreach(qemu_find_opts("global"), default_driver_check, NULL, 0); @@ -2896,17 +3024,7 @@ int main(int argc, char **argv, char **envp) exit(1); } - if (kvm_allowed) { - int ret = kvm_init(); - if (ret < 0) { - if (!kvm_available()) { - printf("KVM not supported for this target\n"); - } else { - fprintf(stderr, "failed to initialize KVM: %s\n", strerror(-ret)); - } - exit(1); - } - } + configure_accelerator(); if (qemu_init_main_loop()) { fprintf(stderr, "qemu_init_main_loop failed\n"); |