diff options
Diffstat (limited to 'hw/core')
| -rw-r--r-- | hw/core/loader.c | 30 | ||||
| -rw-r--r-- | hw/core/machine.c | 50 | ||||
| -rw-r--r-- | hw/core/qdev-properties-system.c | 82 |
3 files changed, 115 insertions, 47 deletions
diff --git a/hw/core/loader.c b/hw/core/loader.c index 7527fd3036..f2b34da240 100644 --- a/hw/core/loader.c +++ b/hw/core/loader.c @@ -614,14 +614,9 @@ int load_ramdisk(const char *filename, hwaddr addr, uint64_t max_sz) NULL, NULL); } -/* This simply prevents g_malloc in the function below from allocating - * a huge amount of memory, by placing a limit on the maximum - * uncompressed image size that load_image_gzipped will read. - */ -#define LOAD_IMAGE_MAX_GUNZIP_BYTES (256 << 20) - -/* Load a gzip-compressed kernel. */ -int load_image_gzipped(const char *filename, hwaddr addr, uint64_t max_sz) +/* Load a gzip-compressed kernel to a dynamically allocated buffer. */ +int load_image_gzipped_buffer(const char *filename, uint64_t max_sz, + uint8_t **buffer) { uint8_t *compressed_data = NULL; uint8_t *data = NULL; @@ -653,8 +648,11 @@ int load_image_gzipped(const char *filename, hwaddr addr, uint64_t max_sz) goto out; } - rom_add_blob_fixed(filename, data, bytes, addr); + /* trim to actual size and return to caller */ + *buffer = g_realloc(data, bytes); ret = bytes; + /* ownership has been transferred to caller */ + data = NULL; out: g_free(compressed_data); @@ -662,6 +660,20 @@ int load_image_gzipped(const char *filename, hwaddr addr, uint64_t max_sz) return ret; } +/* Load a gzip-compressed kernel. */ +int load_image_gzipped(const char *filename, hwaddr addr, uint64_t max_sz) +{ + int bytes; + uint8_t *data; + + bytes = load_image_gzipped_buffer(filename, max_sz, &data); + if (bytes != -1) { + rom_add_blob_fixed(filename, data, bytes, addr); + g_free(data); + } + return bytes; +} + /* * Functions for reboot-persistent memory regions. * - used for vga bios and option roms. diff --git a/hw/core/machine.c b/hw/core/machine.c index 19d3e3a707..fbd91be575 100644 --- a/hw/core/machine.c +++ b/hw/core/machine.c @@ -291,48 +291,93 @@ static void machine_initfn(Object *obj) object_property_add_str(obj, "accel", machine_get_accel, machine_set_accel, NULL); + object_property_set_description(obj, "accel", + "Accelerator list", + NULL); object_property_add_bool(obj, "kernel-irqchip", machine_get_kernel_irqchip, machine_set_kernel_irqchip, NULL); + object_property_set_description(obj, "kernel-irqchip", + "Use KVM in-kernel irqchip", + NULL); object_property_add(obj, "kvm-shadow-mem", "int", machine_get_kvm_shadow_mem, machine_set_kvm_shadow_mem, NULL, NULL, NULL); + object_property_set_description(obj, "kvm-shadow-mem", + "KVM shadow MMU size", + NULL); object_property_add_str(obj, "kernel", machine_get_kernel, machine_set_kernel, NULL); + object_property_set_description(obj, "kernel", + "Linux kernel image file", + NULL); object_property_add_str(obj, "initrd", machine_get_initrd, machine_set_initrd, NULL); + object_property_set_description(obj, "initrd", + "Linux initial ramdisk file", + NULL); object_property_add_str(obj, "append", machine_get_append, machine_set_append, NULL); + object_property_set_description(obj, "append", + "Linux kernel command line", + NULL); object_property_add_str(obj, "dtb", machine_get_dtb, machine_set_dtb, NULL); + object_property_set_description(obj, "dtb", + "Linux kernel device tree file", + NULL); object_property_add_str(obj, "dumpdtb", machine_get_dumpdtb, machine_set_dumpdtb, NULL); + object_property_set_description(obj, "dumpdtb", + "Dump current dtb to a file and quit", + NULL); object_property_add(obj, "phandle-start", "int", machine_get_phandle_start, machine_set_phandle_start, NULL, NULL, NULL); + object_property_set_description(obj, "phandle-start", + "The first phandle ID we may generate dynamically", + NULL); object_property_add_str(obj, "dt-compatible", machine_get_dt_compatible, machine_set_dt_compatible, NULL); + object_property_set_description(obj, "dt-compatible", + "Overrides the \"compatible\" property of the dt root node", + NULL); object_property_add_bool(obj, "dump-guest-core", machine_get_dump_guest_core, machine_set_dump_guest_core, NULL); + object_property_set_description(obj, "dump-guest-core", + "Include guest memory in a core dump", + NULL); object_property_add_bool(obj, "mem-merge", machine_get_mem_merge, machine_set_mem_merge, NULL); + object_property_set_description(obj, "mem-merge", + "Enable/disable memory merge support", + NULL); object_property_add_bool(obj, "usb", machine_get_usb, machine_set_usb, NULL); + object_property_set_description(obj, "usb", + "Set on/off to enable/disable usb", + NULL); object_property_add_str(obj, "firmware", machine_get_firmware, machine_set_firmware, NULL); + object_property_set_description(obj, "firmware", + "Firmware image", + NULL); object_property_add_bool(obj, "iommu", machine_get_iommu, machine_set_iommu, NULL); + object_property_set_description(obj, "iommu", + "Set on/off to enable/disable Intel IOMMU (VT-d)", + NULL); /* Register notifier when init is done for sysbus sanity checks */ ms->sysbus_notifier.notify = machine_init_notify; @@ -353,6 +398,11 @@ static void machine_finalize(Object *obj) g_free(ms->firmware); } +bool machine_usb(MachineState *machine) +{ + return machine->usb; +} + static const TypeInfo machine_info = { .name = TYPE_MACHINE, .parent = TYPE_OBJECT, diff --git a/hw/core/qdev-properties-system.c b/hw/core/qdev-properties-system.c index 65901ef10e..a2e44bd4e8 100644 --- a/hw/core/qdev-properties-system.c +++ b/hw/core/qdev-properties-system.c @@ -177,42 +177,69 @@ PropertyInfo qdev_prop_chr = { }; /* --- netdev device --- */ +static void get_netdev(Object *obj, Visitor *v, void *opaque, + const char *name, Error **errp) +{ + DeviceState *dev = DEVICE(obj); + Property *prop = opaque; + NICPeers *peers_ptr = qdev_get_prop_ptr(dev, prop); + char *p = g_strdup(peers_ptr->ncs[0] ? peers_ptr->ncs[0]->name : ""); -static int parse_netdev(DeviceState *dev, const char *str, void **ptr) + visit_type_str(v, &p, name, errp); + g_free(p); +} + +static void set_netdev(Object *obj, Visitor *v, void *opaque, + const char *name, Error **errp) { - NICPeers *peers_ptr = (NICPeers *)ptr; + DeviceState *dev = DEVICE(obj); + Property *prop = opaque; + NICPeers *peers_ptr = qdev_get_prop_ptr(dev, prop); NetClientState **ncs = peers_ptr->ncs; NetClientState *peers[MAX_QUEUE_NUM]; - int queues, i = 0; - int ret; + Error *local_err = NULL; + int queues, err = 0, i = 0; + char *str; + + if (dev->realized) { + qdev_prop_set_after_realize(dev, name, errp); + return; + } + + visit_type_str(v, &str, name, &local_err); + if (local_err) { + error_propagate(errp, local_err); + return; + } queues = qemu_find_net_clients_except(str, peers, NET_CLIENT_OPTIONS_KIND_NIC, MAX_QUEUE_NUM); if (queues == 0) { - ret = -ENOENT; - goto err; + err = -ENOENT; + goto out; } if (queues > MAX_QUEUE_NUM) { - ret = -E2BIG; - goto err; + error_setg(errp, "queues of backend '%s'(%d) exceeds QEMU limitation(%d)", + str, queues, MAX_QUEUE_NUM); + goto out; } for (i = 0; i < queues; i++) { if (peers[i] == NULL) { - ret = -ENOENT; - goto err; + err = -ENOENT; + goto out; } if (peers[i]->peer) { - ret = -EEXIST; - goto err; + err = -EEXIST; + goto out; } if (ncs[i]) { - ret = -EINVAL; - goto err; + err = -EINVAL; + goto out; } ncs[i] = peers[i]; @@ -221,30 +248,9 @@ static int parse_netdev(DeviceState *dev, const char *str, void **ptr) peers_ptr->queues = queues; - return 0; - -err: - return ret; -} - -static char *print_netdev(void *ptr) -{ - NetClientState *netdev = ptr; - const char *val = netdev->name ? netdev->name : ""; - - return g_strdup(val); -} - -static void get_netdev(Object *obj, Visitor *v, void *opaque, - const char *name, Error **errp) -{ - get_pointer(obj, v, opaque, print_netdev, name, errp); -} - -static void set_netdev(Object *obj, Visitor *v, void *opaque, - const char *name, Error **errp) -{ - set_pointer(obj, v, opaque, parse_netdev, name, errp); +out: + error_set_from_qdev_prop_error(errp, err, dev, prop, str); + g_free(str); } PropertyInfo qdev_prop_netdev = { |