[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] [PATCH for-8.3 v2 03/46] net: add qemu_create_nic_bus_devices()
From: David Woodhouse <dwmw@xxxxxxxxxxxx> This will instantiate any NICs which live on a given bus type. Each bus is allowed *one* substitution (for PCI it's virtio → virtio-net-pci, for Xen it's xen → xen-net-device; no point in overengineering it unless we actually want more). Signed-off-by: David Woodhouse <dwmw@xxxxxxxxxxxx> Reviewed-by: Paul Durrant <paul@xxxxxxx> --- include/net/net.h | 3 +++ net/net.c | 53 +++++++++++++++++++++++++++++++++++++++++++++++ 2 files changed, 56 insertions(+) diff --git a/include/net/net.h b/include/net/net.h index 56be694c75..ce830a47d0 100644 --- a/include/net/net.h +++ b/include/net/net.h @@ -211,6 +211,9 @@ bool qemu_configure_nic_device(DeviceState *dev, bool match_default, const char *alias); DeviceState *qemu_create_nic_device(const char *typename, bool match_default, const char *alias); +void qemu_create_nic_bus_devices(BusState *bus, const char *parent_type, + const char *default_model, + const char *alias, const char *alias_target); void print_net_client(Monitor *mon, NetClientState *nc); void net_socket_rs_init(SocketReadState *rs, SocketReadStateFinalize *finalize, diff --git a/net/net.c b/net/net.c index 807220e630..73621795cb 100644 --- a/net/net.c +++ b/net/net.c @@ -1208,6 +1208,59 @@ DeviceState *qemu_create_nic_device(const char *typename, bool match_default, return dev; } +void qemu_create_nic_bus_devices(BusState *bus, const char *parent_type, + const char *default_model, + const char *alias, const char *alias_target) +{ + GPtrArray *nic_models = qemu_get_nic_models(parent_type); + const char *model; + DeviceState *dev; + NICInfo *nd; + int i; + + if (nic_model_help) { + if (alias_target) { + add_nic_model_help(alias_target, alias); + } + for (i = 0; i < nic_models->len - 1; i++) { + add_nic_model_help(nic_models->pdata[i], NULL); + } + } + + /* Drop the NULL terminator which would make g_str_equal() unhappy */ + nic_models->len--; + + for (i = 0; i < nb_nics; i++) { + nd = &nd_table[i]; + + if (!nd->used || nd->instantiated) { + continue; + } + + model = nd->model ? nd->model : default_model; + if (!model) { + continue; + } + + /* Each bus type is allowed *one* substitution */ + if (g_str_equal(model, alias)) { + model = alias_target; + } + + if (!g_ptr_array_find_with_equal_func(nic_models, model, + g_str_equal, NULL)) { + /* This NIC does not live on this bus. */ + continue; + } + + dev = qdev_new(model); + qdev_set_nic_properties(dev, nd); + qdev_realize_and_unref(dev, bus, &error_fatal); + } + + g_ptr_array_free(nic_models, true); +} + static int (* const net_client_init_fun[NET_CLIENT_DRIVER__MAX])( const Netdev *netdev, const char *name, -- 2.41.0
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