| 1 | /* |
| 2 | * QEMU rocker switch emulation - switch worlds |
| 3 | * |
| 4 | * Copyright (c) 2014 Scott Feldman <sfeldma@gmail.com> |
| 5 | * |
| 6 | * This program is free software; you can redistribute it and/or modify |
| 7 | * it under the terms of the GNU General Public License as published by |
| 8 | * the Free Software Foundation; either version 2 of the License, or |
| 9 | * (at your option) any later version. |
| 10 | * |
| 11 | * This program is distributed in the hope that it will be useful, |
| 12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 14 | * GNU General Public License for more details. |
| 15 | */ |
| 16 | |
| 17 | #include "qemu/osdep.h" |
| 18 | #include "qemu/iov.h" |
| 19 | |
| 20 | #include "rocker.h" |
| 21 | #include "rocker_world.h" |
| 22 | |
| 23 | struct world { |
| 24 | Rocker *r; |
| 25 | enum rocker_world_type type; |
| 26 | WorldOps *ops; |
| 27 | }; |
| 28 | |
| 29 | ssize_t world_ingress(World *world, uint32_t pport, |
| 30 | const struct iovec *iov, int iovcnt) |
| 31 | { |
| 32 | if (world->ops->ig) { |
| 33 | return world->ops->ig(world, pport, iov, iovcnt); |
| 34 | } |
| 35 | |
| 36 | return -1; |
| 37 | } |
| 38 | |
| 39 | int world_do_cmd(World *world, DescInfo *info, |
| 40 | char *buf, uint16_t cmd, RockerTlv *cmd_info_tlv) |
| 41 | { |
| 42 | if (world->ops->cmd) { |
| 43 | return world->ops->cmd(world, info, buf, cmd, cmd_info_tlv); |
| 44 | } |
| 45 | |
| 46 | return -ROCKER_ENOTSUP; |
| 47 | } |
| 48 | |
| 49 | World *world_alloc(Rocker *r, size_t sizeof_private, |
| 50 | enum rocker_world_type type, WorldOps *ops) |
| 51 | { |
| 52 | World *w = g_malloc0(sizeof(World) + sizeof_private); |
| 53 | |
| 54 | w->r = r; |
| 55 | w->type = type; |
| 56 | w->ops = ops; |
| 57 | if (w->ops->init) { |
| 58 | w->ops->init(w); |
| 59 | } |
| 60 | |
| 61 | return w; |
| 62 | } |
| 63 | |
| 64 | void world_free(World *world) |
| 65 | { |
| 66 | if (world->ops->uninit) { |
| 67 | world->ops->uninit(world); |
| 68 | } |
| 69 | g_free(world); |
| 70 | } |
| 71 | |
| 72 | void world_reset(World *world) |
| 73 | { |
| 74 | if (world->ops->uninit) { |
| 75 | world->ops->uninit(world); |
| 76 | } |
| 77 | if (world->ops->init) { |
| 78 | world->ops->init(world); |
| 79 | } |
| 80 | } |
| 81 | |
| 82 | void *world_private(World *world) |
| 83 | { |
| 84 | return world + 1; |
| 85 | } |
| 86 | |
| 87 | Rocker *world_rocker(World *world) |
| 88 | { |
| 89 | return world->r; |
| 90 | } |
| 91 | |
| 92 | enum rocker_world_type world_type(World *world) |
| 93 | { |
| 94 | return world->type; |
| 95 | } |
| 96 | |
| 97 | const char *world_name(World *world) |
| 98 | { |
| 99 | return world->ops->name; |
| 100 | } |