From e02cda008591317b1625707ff8e115a4841aa889 Mon Sep 17 00:00:00 2001 From: Timos Ampelikiotis Date: Tue, 10 Oct 2023 11:40:56 +0000 Subject: Introduce Virtio-loopback epsilon release: Epsilon release introduces a new compatibility layer which make virtio-loopback design to work with QEMU and rust-vmm vhost-user backend without require any changes. Signed-off-by: Timos Ampelikiotis Change-Id: I52e57563e08a7d0bdc002f8e928ee61ba0c53dd9 --- hw/net/rocker/rocker_world.c | 100 +++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 100 insertions(+) create mode 100644 hw/net/rocker/rocker_world.c (limited to 'hw/net/rocker/rocker_world.c') diff --git a/hw/net/rocker/rocker_world.c b/hw/net/rocker/rocker_world.c new file mode 100644 index 000000000..f73c5340e --- /dev/null +++ b/hw/net/rocker/rocker_world.c @@ -0,0 +1,100 @@ +/* + * QEMU rocker switch emulation - switch worlds + * + * Copyright (c) 2014 Scott Feldman + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + */ + +#include "qemu/osdep.h" +#include "qemu/iov.h" + +#include "rocker.h" +#include "rocker_world.h" + +struct world { + Rocker *r; + enum rocker_world_type type; + WorldOps *ops; +}; + +ssize_t world_ingress(World *world, uint32_t pport, + const struct iovec *iov, int iovcnt) +{ + if (world->ops->ig) { + return world->ops->ig(world, pport, iov, iovcnt); + } + + return -1; +} + +int world_do_cmd(World *world, DescInfo *info, + char *buf, uint16_t cmd, RockerTlv *cmd_info_tlv) +{ + if (world->ops->cmd) { + return world->ops->cmd(world, info, buf, cmd, cmd_info_tlv); + } + + return -ROCKER_ENOTSUP; +} + +World *world_alloc(Rocker *r, size_t sizeof_private, + enum rocker_world_type type, WorldOps *ops) +{ + World *w = g_malloc0(sizeof(World) + sizeof_private); + + w->r = r; + w->type = type; + w->ops = ops; + if (w->ops->init) { + w->ops->init(w); + } + + return w; +} + +void world_free(World *world) +{ + if (world->ops->uninit) { + world->ops->uninit(world); + } + g_free(world); +} + +void world_reset(World *world) +{ + if (world->ops->uninit) { + world->ops->uninit(world); + } + if (world->ops->init) { + world->ops->init(world); + } +} + +void *world_private(World *world) +{ + return world + 1; +} + +Rocker *world_rocker(World *world) +{ + return world->r; +} + +enum rocker_world_type world_type(World *world) +{ + return world->type; +} + +const char *world_name(World *world) +{ + return world->ops->name; +} -- cgit 1.2.3-korg