[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] Re: [Xen-devel] [RFC 5/8] split qdev into a core and code used only by qemu-system-*
On Tue, Aug 21, 2012 at 3:42 PM, Eduardo Habkost <ehabkost@xxxxxxxxxx> wrote: > This also makes it visible what are the parts of qdev that we may want > to split more cleanly (as they are using #ifdefs, now). Nice. > > There are basically two parts that are specific to qemu-system-*, but > are still inside qdev.c (but inside a "#ifndef CONFIG_USER_ONLY"). > > - vmstate handling > - reset function registration > > Signed-off-by: Eduardo Habkost <ehabkost@xxxxxxxxxx> > --- > hw/Makefile.objs | 1 + > hw/qdev-properties-system.c | 329 > ++++++++++++++++++++++++++++++++++++++++++++ > hw/qdev-properties.c | 320 +----------------------------------------- > hw/qdev-properties.h | 1 + > hw/qdev-system.c | 93 +++++++++++++ > hw/qdev.c | 103 ++------------ > 6 files changed, 435 insertions(+), 412 deletions(-) > create mode 100644 hw/qdev-properties-system.c > create mode 100644 hw/qdev-system.c > > diff --git a/hw/Makefile.objs b/hw/Makefile.objs > index 7f57ed5..04d3b5e 100644 > --- a/hw/Makefile.objs > +++ b/hw/Makefile.objs > @@ -177,6 +177,7 @@ common-obj-y += bt.o bt-l2cap.o bt-sdp.o bt-hci.o bt-hid.o > common-obj-y += bt-hci-csr.o > common-obj-y += msmouse.o ps2.o > common-obj-y += qdev.o qdev-properties.o qdev-monitor.o > +common-obj-y += qdev-system.o qdev-properties-system.o > common-obj-$(CONFIG_BRLAPI) += baum.o > > # xen backend driver support > diff --git a/hw/qdev-properties-system.c b/hw/qdev-properties-system.c > new file mode 100644 > index 0000000..c42e656 > --- /dev/null > +++ b/hw/qdev-properties-system.c > @@ -0,0 +1,329 @@ There's no header, neither has qdev-properties.c though. Agreeing on license would need some detective work. > +#include "net.h" > +#include "qdev.h" > +#include "qerror.h" > +#include "blockdev.h" > +#include "hw/block-common.h" > +#include "net/hub.h" > +#include "qapi/qapi-visit-core.h" > + > +static void get_pointer(Object *obj, Visitor *v, Property *prop, > + const char *(*print)(void *ptr), > + const char *name, Error **errp) > +{ > + DeviceState *dev = DEVICE(obj); > + void **ptr = qdev_get_prop_ptr(dev, prop); > + char *p; > + > + p = (char *) (*ptr ? print(*ptr) : ""); > + visit_type_str(v, &p, name, errp); > +} > + > +static void set_pointer(Object *obj, Visitor *v, Property *prop, > + int (*parse)(DeviceState *dev, const char *str, > + void **ptr), > + const char *name, Error **errp) > +{ > + DeviceState *dev = DEVICE(obj); > + Error *local_err = NULL; > + void **ptr = qdev_get_prop_ptr(dev, prop); > + char *str; > + int ret; > + > + if (dev->state != DEV_STATE_CREATED) { > + error_set(errp, QERR_PERMISSION_DENIED); > + return; > + } > + > + visit_type_str(v, &str, name, &local_err); > + if (local_err) { > + error_propagate(errp, local_err); > + return; > + } > + if (!*str) { > + g_free(str); > + *ptr = NULL; > + return; > + } > + ret = parse(dev, str, ptr); > + error_set_from_qdev_prop_error(errp, ret, dev, prop, str); > + g_free(str); > +} > + > + > +/* --- drive --- */ > + > +static int parse_drive(DeviceState *dev, const char *str, void **ptr) > +{ > + BlockDriverState *bs; > + > + bs = bdrv_find(str); > + if (bs == NULL) > + return -ENOENT; Before moving, please add braces here and below if. That way the new file gets a fresh start. > + if (bdrv_attach_dev(bs, dev) < 0) > + return -EEXIST; > + *ptr = bs; > + return 0; > +} > + > +static void release_drive(Object *obj, const char *name, void *opaque) > +{ > + DeviceState *dev = DEVICE(obj); > + Property *prop = opaque; > + BlockDriverState **ptr = qdev_get_prop_ptr(dev, prop); > + > + if (*ptr) { > + bdrv_detach_dev(*ptr, dev); > + blockdev_auto_del(*ptr); > + } > +} > + > +static const char *print_drive(void *ptr) > +{ > + return bdrv_get_device_name(ptr); > +} > + > +static void get_drive(Object *obj, Visitor *v, void *opaque, > + const char *name, Error **errp) > +{ > + get_pointer(obj, v, opaque, print_drive, name, errp); > +} > + > +static void set_drive(Object *obj, Visitor *v, void *opaque, > + const char *name, Error **errp) > +{ > + set_pointer(obj, v, opaque, parse_drive, name, errp); > +} > + > +PropertyInfo qdev_prop_drive = { > + .name = "drive", > + .get = get_drive, > + .set = set_drive, > + .release = release_drive, > +}; > + > +/* --- character device --- */ > + > +static int parse_chr(DeviceState *dev, const char *str, void **ptr) > +{ > + CharDriverState *chr = qemu_chr_find(str); > + if (chr == NULL) { > + return -ENOENT; > + } > + if (chr->avail_connections < 1) { > + return -EEXIST; > + } > + *ptr = chr; > + --chr->avail_connections; > + return 0; > +} > + > +static void release_chr(Object *obj, const char *name, void *opaque) > +{ > + DeviceState *dev = DEVICE(obj); > + Property *prop = opaque; > + CharDriverState **ptr = qdev_get_prop_ptr(dev, prop); > + > + if (*ptr) { > + qemu_chr_add_handlers(*ptr, NULL, NULL, NULL, NULL); > + } > +} > + > + > +static const char *print_chr(void *ptr) > +{ > + CharDriverState *chr = ptr; > + > + return chr->label ? chr->label : ""; > +} > + > +static void get_chr(Object *obj, Visitor *v, void *opaque, > + const char *name, Error **errp) > +{ > + get_pointer(obj, v, opaque, print_chr, name, errp); > +} > + > +static void set_chr(Object *obj, Visitor *v, void *opaque, > + const char *name, Error **errp) > +{ > + set_pointer(obj, v, opaque, parse_chr, name, errp); > +} > + > +PropertyInfo qdev_prop_chr = { > + .name = "chr", > + .get = get_chr, > + .set = set_chr, > + .release = release_chr, > +}; > + > +/* --- netdev device --- */ > + > +static int parse_netdev(DeviceState *dev, const char *str, void **ptr) > +{ > + NetClientState *netdev = qemu_find_netdev(str); > + > + if (netdev == NULL) { > + return -ENOENT; > + } > + if (netdev->peer) { > + return -EEXIST; > + } > + *ptr = netdev; > + return 0; > +} > + > +static const char *print_netdev(void *ptr) > +{ > + NetClientState *netdev = ptr; > + > + return netdev->name ? netdev->name : ""; > +} > + > +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); > +} > + > +PropertyInfo qdev_prop_netdev = { > + .name = "netdev", > + .get = get_netdev, > + .set = set_netdev, > +}; > + > +/* --- vlan --- */ > + > +static int print_vlan(DeviceState *dev, Property *prop, char *dest, size_t > len) > +{ > + NetClientState **ptr = qdev_get_prop_ptr(dev, prop); > + > + if (*ptr) { > + int id; > + if (!net_hub_id_for_client(*ptr, &id)) { > + return snprintf(dest, len, "%d", id); > + } > + } > + > + return snprintf(dest, len, "<null>"); > +} > + > +static void get_vlan(Object *obj, Visitor *v, void *opaque, > + const char *name, Error **errp) > +{ > + DeviceState *dev = DEVICE(obj); > + Property *prop = opaque; > + NetClientState **ptr = qdev_get_prop_ptr(dev, prop); > + int32_t id = -1; > + > + if (*ptr) { > + int hub_id; > + if (!net_hub_id_for_client(*ptr, &hub_id)) { > + id = hub_id; > + } > + } > + > + visit_type_int32(v, &id, name, errp); > +} > + > +static void set_vlan(Object *obj, Visitor *v, void *opaque, > + const char *name, Error **errp) > +{ > + DeviceState *dev = DEVICE(obj); > + Property *prop = opaque; > + NetClientState **ptr = qdev_get_prop_ptr(dev, prop); > + Error *local_err = NULL; > + int32_t id; > + NetClientState *hubport; > + > + if (dev->state != DEV_STATE_CREATED) { > + error_set(errp, QERR_PERMISSION_DENIED); > + return; > + } > + > + visit_type_int32(v, &id, name, &local_err); > + if (local_err) { > + error_propagate(errp, local_err); > + return; > + } > + if (id == -1) { > + *ptr = NULL; > + return; > + } > + > + hubport = net_hub_port_find(id); > + if (!hubport) { > + error_set(errp, QERR_INVALID_PARAMETER_VALUE, > + name, prop->info->name); > + return; > + } > + *ptr = hubport; > +} > + > +PropertyInfo qdev_prop_vlan = { > + .name = "vlan", > + .print = print_vlan, > + .get = get_vlan, > + .set = set_vlan, > +}; > + > + > +int qdev_prop_set_drive(DeviceState *dev, const char *name, BlockDriverState > *value) > +{ > + Error *errp = NULL; > + const char *bdrv_name = value ? bdrv_get_device_name(value) : ""; > + object_property_set_str(OBJECT(dev), bdrv_name, > + name, &errp); > + if (errp) { > + qerror_report_err(errp); > + error_free(errp); > + return -1; > + } > + return 0; > +} > + > +void qdev_prop_set_drive_nofail(DeviceState *dev, const char *name, > BlockDriverState *value) > +{ > + if (qdev_prop_set_drive(dev, name, value) < 0) { > + exit(1); > + } > +} > + > +void qdev_prop_set_chr(DeviceState *dev, const char *name, CharDriverState > *value) > +{ > + Error *errp = NULL; > + assert(!value || value->label); > + object_property_set_str(OBJECT(dev), > + value ? value->label : "", name, &errp); > + assert_no_error(errp); > +} > + > +void qdev_prop_set_netdev(DeviceState *dev, const char *name, NetClientState > *value) > +{ > + Error *errp = NULL; > + assert(!value || value->name); > + object_property_set_str(OBJECT(dev), > + value ? value->name : "", name, &errp); > + assert_no_error(errp); > +} > + > +static int qdev_add_one_global(QemuOpts *opts, void *opaque) > +{ > + GlobalProperty *g; > + > + g = g_malloc0(sizeof(*g)); > + g->driver = qemu_opt_get(opts, "driver"); > + g->property = qemu_opt_get(opts, "property"); > + g->value = qemu_opt_get(opts, "value"); > + qdev_prop_register_global(g); > + return 0; > +} > + > +void qemu_add_globals(void) > +{ > + qemu_opts_foreach(qemu_find_opts("global"), qdev_add_one_global, NULL, > 0); > +} > diff --git a/hw/qdev-properties.c b/hw/qdev-properties.c > index 81d901c..917d986 100644 > --- a/hw/qdev-properties.c > +++ b/hw/qdev-properties.c > @@ -13,49 +13,6 @@ void *qdev_get_prop_ptr(DeviceState *dev, Property *prop) > return ptr; > } > > -static void get_pointer(Object *obj, Visitor *v, Property *prop, > - const char *(*print)(void *ptr), > - const char *name, Error **errp) > -{ > - DeviceState *dev = DEVICE(obj); > - void **ptr = qdev_get_prop_ptr(dev, prop); > - char *p; > - > - p = (char *) (*ptr ? print(*ptr) : ""); > - visit_type_str(v, &p, name, errp); > -} > - > -static void set_pointer(Object *obj, Visitor *v, Property *prop, > - int (*parse)(DeviceState *dev, const char *str, > - void **ptr), > - const char *name, Error **errp) > -{ > - DeviceState *dev = DEVICE(obj); > - Error *local_err = NULL; > - void **ptr = qdev_get_prop_ptr(dev, prop); > - char *str; > - int ret; > - > - if (dev->state != DEV_STATE_CREATED) { > - error_set(errp, QERR_PERMISSION_DENIED); > - return; > - } > - > - visit_type_str(v, &str, name, &local_err); > - if (local_err) { > - error_propagate(errp, local_err); > - return; > - } > - if (!*str) { > - g_free(str); > - *ptr = NULL; > - return; > - } > - ret = parse(dev, str, ptr); > - error_set_from_qdev_prop_error(errp, ret, dev, prop, str); > - g_free(str); > -} > - > static void get_enum(Object *obj, Visitor *v, void *opaque, > const char *name, Error **errp) > { > @@ -476,227 +433,6 @@ PropertyInfo qdev_prop_string = { > .set = set_string, > }; > > -/* --- drive --- */ > - > -static int parse_drive(DeviceState *dev, const char *str, void **ptr) > -{ > - BlockDriverState *bs; > - > - bs = bdrv_find(str); > - if (bs == NULL) > - return -ENOENT; > - if (bdrv_attach_dev(bs, dev) < 0) > - return -EEXIST; > - *ptr = bs; > - return 0; > -} > - > -static void release_drive(Object *obj, const char *name, void *opaque) > -{ > - DeviceState *dev = DEVICE(obj); > - Property *prop = opaque; > - BlockDriverState **ptr = qdev_get_prop_ptr(dev, prop); > - > - if (*ptr) { > - bdrv_detach_dev(*ptr, dev); > - blockdev_auto_del(*ptr); > - } > -} > - > -static const char *print_drive(void *ptr) > -{ > - return bdrv_get_device_name(ptr); > -} > - > -static void get_drive(Object *obj, Visitor *v, void *opaque, > - const char *name, Error **errp) > -{ > - get_pointer(obj, v, opaque, print_drive, name, errp); > -} > - > -static void set_drive(Object *obj, Visitor *v, void *opaque, > - const char *name, Error **errp) > -{ > - set_pointer(obj, v, opaque, parse_drive, name, errp); > -} > - > -PropertyInfo qdev_prop_drive = { > - .name = "drive", > - .get = get_drive, > - .set = set_drive, > - .release = release_drive, > -}; > - > -/* --- character device --- */ > - > -static int parse_chr(DeviceState *dev, const char *str, void **ptr) > -{ > - CharDriverState *chr = qemu_chr_find(str); > - if (chr == NULL) { > - return -ENOENT; > - } > - if (chr->avail_connections < 1) { > - return -EEXIST; > - } > - *ptr = chr; > - --chr->avail_connections; > - return 0; > -} > - > -static void release_chr(Object *obj, const char *name, void *opaque) > -{ > - DeviceState *dev = DEVICE(obj); > - Property *prop = opaque; > - CharDriverState **ptr = qdev_get_prop_ptr(dev, prop); > - > - if (*ptr) { > - qemu_chr_add_handlers(*ptr, NULL, NULL, NULL, NULL); > - } > -} > - > - > -static const char *print_chr(void *ptr) > -{ > - CharDriverState *chr = ptr; > - > - return chr->label ? chr->label : ""; > -} > - > -static void get_chr(Object *obj, Visitor *v, void *opaque, > - const char *name, Error **errp) > -{ > - get_pointer(obj, v, opaque, print_chr, name, errp); > -} > - > -static void set_chr(Object *obj, Visitor *v, void *opaque, > - const char *name, Error **errp) > -{ > - set_pointer(obj, v, opaque, parse_chr, name, errp); > -} > - > -PropertyInfo qdev_prop_chr = { > - .name = "chr", > - .get = get_chr, > - .set = set_chr, > - .release = release_chr, > -}; > - > -/* --- netdev device --- */ > - > -static int parse_netdev(DeviceState *dev, const char *str, void **ptr) > -{ > - NetClientState *netdev = qemu_find_netdev(str); > - > - if (netdev == NULL) { > - return -ENOENT; > - } > - if (netdev->peer) { > - return -EEXIST; > - } > - *ptr = netdev; > - return 0; > -} > - > -static const char *print_netdev(void *ptr) > -{ > - NetClientState *netdev = ptr; > - > - return netdev->name ? netdev->name : ""; > -} > - > -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); > -} > - > -PropertyInfo qdev_prop_netdev = { > - .name = "netdev", > - .get = get_netdev, > - .set = set_netdev, > -}; > - > -/* --- vlan --- */ > - > -static int print_vlan(DeviceState *dev, Property *prop, char *dest, size_t > len) > -{ > - NetClientState **ptr = qdev_get_prop_ptr(dev, prop); > - > - if (*ptr) { > - int id; > - if (!net_hub_id_for_client(*ptr, &id)) { > - return snprintf(dest, len, "%d", id); > - } > - } > - > - return snprintf(dest, len, "<null>"); > -} > - > -static void get_vlan(Object *obj, Visitor *v, void *opaque, > - const char *name, Error **errp) > -{ > - DeviceState *dev = DEVICE(obj); > - Property *prop = opaque; > - NetClientState **ptr = qdev_get_prop_ptr(dev, prop); > - int32_t id = -1; > - > - if (*ptr) { > - int hub_id; > - if (!net_hub_id_for_client(*ptr, &hub_id)) { > - id = hub_id; > - } > - } > - > - visit_type_int32(v, &id, name, errp); > -} > - > -static void set_vlan(Object *obj, Visitor *v, void *opaque, > - const char *name, Error **errp) > -{ > - DeviceState *dev = DEVICE(obj); > - Property *prop = opaque; > - NetClientState **ptr = qdev_get_prop_ptr(dev, prop); > - Error *local_err = NULL; > - int32_t id; > - NetClientState *hubport; > - > - if (dev->state != DEV_STATE_CREATED) { > - error_set(errp, QERR_PERMISSION_DENIED); > - return; > - } > - > - visit_type_int32(v, &id, name, &local_err); > - if (local_err) { > - error_propagate(errp, local_err); > - return; > - } > - if (id == -1) { > - *ptr = NULL; > - return; > - } > - > - hubport = net_hub_port_find(id); > - if (!hubport) { > - error_set(errp, QERR_INVALID_PARAMETER_VALUE, > - name, prop->info->name); > - return; > - } > - *ptr = hubport; > -} > - > -PropertyInfo qdev_prop_vlan = { > - .name = "vlan", > - .print = print_vlan, > - .get = get_vlan, > - .set = set_vlan, > -}; > - > /* --- pointer --- */ > > /* Not a proper property, just for dirty hacks. TODO Remove it! */ > @@ -1158,44 +894,6 @@ void qdev_prop_set_string(DeviceState *dev, const char > *name, const char *value) > assert_no_error(errp); > } > > -int qdev_prop_set_drive(DeviceState *dev, const char *name, BlockDriverState > *value) > -{ > - Error *errp = NULL; > - const char *bdrv_name = value ? bdrv_get_device_name(value) : ""; > - object_property_set_str(OBJECT(dev), bdrv_name, > - name, &errp); > - if (errp) { > - qerror_report_err(errp); > - error_free(errp); > - return -1; > - } > - return 0; > -} > - > -void qdev_prop_set_drive_nofail(DeviceState *dev, const char *name, > BlockDriverState *value) > -{ > - if (qdev_prop_set_drive(dev, name, value) < 0) { > - exit(1); > - } > -} > -void qdev_prop_set_chr(DeviceState *dev, const char *name, CharDriverState > *value) > -{ > - Error *errp = NULL; > - assert(!value || value->label); > - object_property_set_str(OBJECT(dev), > - value ? value->label : "", name, &errp); > - assert_no_error(errp); > -} > - > -void qdev_prop_set_netdev(DeviceState *dev, const char *name, NetClientState > *value) > -{ > - Error *errp = NULL; > - assert(!value || value->name); > - object_property_set_str(OBJECT(dev), > - value ? value->name : "", name, &errp); > - assert_no_error(errp); > -} > - > void qdev_prop_set_macaddr(DeviceState *dev, const char *name, uint8_t > *value) > { > Error *errp = NULL; > @@ -1231,7 +929,7 @@ void qdev_prop_set_ptr(DeviceState *dev, const char > *name, void *value) > > static QTAILQ_HEAD(, GlobalProperty) global_props = > QTAILQ_HEAD_INITIALIZER(global_props); > > -static void qdev_prop_register_global(GlobalProperty *prop) > +void qdev_prop_register_global(GlobalProperty *prop) > { > QTAILQ_INSERT_TAIL(&global_props, prop, next); > } > @@ -1263,19 +961,3 @@ void qdev_prop_set_globals(DeviceState *dev) > } while (class); > } > > -static int qdev_add_one_global(QemuOpts *opts, void *opaque) > -{ > - GlobalProperty *g; > - > - g = g_malloc0(sizeof(*g)); > - g->driver = qemu_opt_get(opts, "driver"); > - g->property = qemu_opt_get(opts, "property"); > - g->value = qemu_opt_get(opts, "value"); > - qdev_prop_register_global(g); > - return 0; > -} > - > -void qemu_add_globals(void) > -{ > - qemu_opts_foreach(qemu_find_opts("global"), qdev_add_one_global, NULL, > 0); > -} > diff --git a/hw/qdev-properties.h b/hw/qdev-properties.h > index e93336a..a145084 100644 > --- a/hw/qdev-properties.h > +++ b/hw/qdev-properties.h > @@ -114,6 +114,7 @@ void qdev_prop_set_enum(DeviceState *dev, const char > *name, int value); > /* FIXME: Remove opaque pointer properties. */ > void qdev_prop_set_ptr(DeviceState *dev, const char *name, void *value); > > +void qdev_prop_register_global(GlobalProperty *prop); > void qdev_prop_register_global_list(GlobalProperty *props); > void qdev_prop_set_globals(DeviceState *dev); > void error_set_from_qdev_prop_error(Error **errp, int ret, DeviceState *dev, > diff --git a/hw/qdev-system.c b/hw/qdev-system.c > new file mode 100644 > index 0000000..4891d2f > --- /dev/null > +++ b/hw/qdev-system.c > @@ -0,0 +1,93 @@ > +#include "net.h" > +#include "qdev.h" > + > +void qdev_init_gpio_in(DeviceState *dev, qemu_irq_handler handler, int n) > +{ > + assert(dev->num_gpio_in == 0); > + dev->num_gpio_in = n; > + dev->gpio_in = qemu_allocate_irqs(handler, dev, n); > +} > + > +void qdev_init_gpio_out(DeviceState *dev, qemu_irq *pins, int n) > +{ > + assert(dev->num_gpio_out == 0); > + dev->num_gpio_out = n; > + dev->gpio_out = pins; > +} > + > +qemu_irq qdev_get_gpio_in(DeviceState *dev, int n) > +{ > + assert(n >= 0 && n < dev->num_gpio_in); > + return dev->gpio_in[n]; > +} > + > +void qdev_connect_gpio_out(DeviceState * dev, int n, qemu_irq pin) > +{ > + assert(n >= 0 && n < dev->num_gpio_out); > + dev->gpio_out[n] = pin; > +} > + > +void qdev_set_nic_properties(DeviceState *dev, NICInfo *nd) > +{ > + qdev_prop_set_macaddr(dev, "mac", nd->macaddr.a); > + if (nd->netdev) > + qdev_prop_set_netdev(dev, "netdev", nd->netdev); Also here. > + if (nd->nvectors != DEV_NVECTORS_UNSPECIFIED && > + object_property_find(OBJECT(dev), "vectors", NULL)) { > + qdev_prop_set_uint32(dev, "vectors", nd->nvectors); > + } > + nd->instantiated = 1; > +} > + > +BusState *qdev_get_child_bus(DeviceState *dev, const char *name) > +{ > + BusState *bus; > + > + QLIST_FOREACH(bus, &dev->child_bus, sibling) { > + if (strcmp(name, bus->name) == 0) { > + return bus; > + } > + } > + return NULL; > +} > + > +/* Create a new device. This only initializes the device state structure > + and allows properties to be set. qdev_init should be called to > + initialize the actual device emulation. */ > +DeviceState *qdev_create(BusState *bus, const char *name) > +{ > + DeviceState *dev; > + > + dev = qdev_try_create(bus, name); > + if (!dev) { > + if (bus) { > + hw_error("Unknown device '%s' for bus '%s'\n", name, > + object_get_typename(OBJECT(bus))); > + } else { > + hw_error("Unknown device '%s' for default sysbus\n", name); > + } > + } > + > + return dev; > +} > + > +DeviceState *qdev_try_create(BusState *bus, const char *type) > +{ > + DeviceState *dev; > + > + if (object_class_by_name(type) == NULL) { > + return NULL; > + } > + dev = DEVICE(object_new(type)); > + if (!dev) { > + return NULL; > + } > + > + if (!bus) { > + bus = sysbus_get_default(); > + } > + > + qdev_set_parent_bus(dev, bus); > + > + return dev; > +} > diff --git a/hw/qdev.c b/hw/qdev.c > index 36c3e4b..3dc38f7 100644 > --- a/hw/qdev.c > +++ b/hw/qdev.c > @@ -25,7 +25,6 @@ > inherit from a particular bus (e.g. PCI or I2C) rather than > this API directly. */ > > -#include "net.h" > #include "qdev.h" > #include "sysemu.h" > #include "error.h" > @@ -105,47 +104,6 @@ void qdev_set_parent_bus(DeviceState *dev, BusState *bus) > bus_add_child(bus, dev); > } > > -/* Create a new device. This only initializes the device state structure > - and allows properties to be set. qdev_init should be called to > - initialize the actual device emulation. */ > -DeviceState *qdev_create(BusState *bus, const char *name) > -{ > - DeviceState *dev; > - > - dev = qdev_try_create(bus, name); > - if (!dev) { > - if (bus) { > - hw_error("Unknown device '%s' for bus '%s'\n", name, > - object_get_typename(OBJECT(bus))); > - } else { > - hw_error("Unknown device '%s' for default sysbus\n", name); > - } > - } > - > - return dev; > -} > - > -DeviceState *qdev_try_create(BusState *bus, const char *type) > -{ > - DeviceState *dev; > - > - if (object_class_by_name(type) == NULL) { > - return NULL; > - } > - dev = DEVICE(object_new(type)); > - if (!dev) { > - return NULL; > - } > - > - if (!bus) { > - bus = sysbus_get_default(); > - } > - > - qdev_set_parent_bus(dev, bus); > - > - return dev; > -} > - > /* Initialize a device. Device properties should be set before calling > this function. IRQs and MMIO regions should be connected/mapped after > calling this function. > @@ -175,11 +133,13 @@ int qdev_init(DeviceState *dev) > g_free(name); > } > > +#ifndef CONFIG_USER_ONLY > if (qdev_get_vmsd(dev)) { > vmstate_register_with_alias_id(dev, -1, qdev_get_vmsd(dev), dev, > dev->instance_id_alias, > dev->alias_required_for_version); > } > +#endif > dev->state = DEV_STATE_INITIALIZED; > if (dev->hotplugged) { > device_reset(dev); > @@ -292,56 +252,6 @@ BusState *qdev_get_parent_bus(DeviceState *dev) > return dev->parent_bus; > } > > -void qdev_init_gpio_in(DeviceState *dev, qemu_irq_handler handler, int n) > -{ > - assert(dev->num_gpio_in == 0); > - dev->num_gpio_in = n; > - dev->gpio_in = qemu_allocate_irqs(handler, dev, n); > -} > - > -void qdev_init_gpio_out(DeviceState *dev, qemu_irq *pins, int n) > -{ > - assert(dev->num_gpio_out == 0); > - dev->num_gpio_out = n; > - dev->gpio_out = pins; > -} > - > -qemu_irq qdev_get_gpio_in(DeviceState *dev, int n) > -{ > - assert(n >= 0 && n < dev->num_gpio_in); > - return dev->gpio_in[n]; > -} > - > -void qdev_connect_gpio_out(DeviceState * dev, int n, qemu_irq pin) > -{ > - assert(n >= 0 && n < dev->num_gpio_out); > - dev->gpio_out[n] = pin; > -} > - > -void qdev_set_nic_properties(DeviceState *dev, NICInfo *nd) > -{ > - qdev_prop_set_macaddr(dev, "mac", nd->macaddr.a); > - if (nd->netdev) > - qdev_prop_set_netdev(dev, "netdev", nd->netdev); > - if (nd->nvectors != DEV_NVECTORS_UNSPECIFIED && > - object_property_find(OBJECT(dev), "vectors", NULL)) { > - qdev_prop_set_uint32(dev, "vectors", nd->nvectors); > - } > - nd->instantiated = 1; > -} > - > -BusState *qdev_get_child_bus(DeviceState *dev, const char *name) > -{ > - BusState *bus; > - > - QLIST_FOREACH(bus, &dev->child_bus, sibling) { > - if (strcmp(name, bus->name) == 0) { > - return bus; > - } > - } > - return NULL; > -} > - > int qbus_walk_children(BusState *bus, qdev_walkerfn *devfn, > qbus_walkerfn *busfn, void *opaque) > { > @@ -440,11 +350,14 @@ static void qbus_realize(BusState *bus) > QLIST_INSERT_HEAD(&bus->parent->child_bus, bus, sibling); > bus->parent->num_child_bus++; > object_property_add_child(OBJECT(bus->parent), bus->name, > OBJECT(bus), NULL); > - } else if (bus != sysbus_get_default()) { > + } > +#ifndef CONFIG_USER_ONLY > + else if (bus != sysbus_get_default()) { > /* TODO: once all bus devices are qdevified, > only reset handler for main_system_bus should be registered here. > */ > qemu_register_reset(qbus_reset_all_fn, bus); > } > +#endif > } > > void qbus_create_inplace(BusState *bus, const char *typename, > @@ -703,9 +616,11 @@ static void device_finalize(Object *obj) > bus = QLIST_FIRST(&dev->child_bus); > qbus_free(bus); > } > +#ifndef CONFIG_USER_ONLY > if (qdev_get_vmsd(dev)) { > vmstate_unregister(dev, qdev_get_vmsd(dev), dev); > } > +#endif > if (dc->exit) { > dc->exit(dev); > } > @@ -779,8 +694,10 @@ static void qbus_finalize(Object *obj) > QLIST_REMOVE(bus, sibling); > bus->parent->num_child_bus--; > } else { > +#ifndef CONFIG_USER_ONLY > assert(bus != sysbus_get_default()); /* main_system_bus is never > freed */ > qemu_unregister_reset(qbus_reset_all_fn, bus); > +#endif > } > g_free((char *)bus->name); > } > -- > 1.7.11.4 > _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxx http://lists.xen.org/xen-devel
|
Lists.xenproject.org is hosted with RackSpace, monitoring our |