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
world_ingress(World * world,uint32_t pport,const struct iovec * iov,int iovcnt)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
world_do_cmd(World * world,DescInfo * info,char * buf,uint16_t cmd,RockerTlv * cmd_info_tlv)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
world_alloc(Rocker * r,size_t sizeof_private,enum rocker_world_type type,WorldOps * ops)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
world_free(World * world)64 void world_free(World *world)
65 {
66 if (world->ops->uninit) {
67 world->ops->uninit(world);
68 }
69 g_free(world);
70 }
71
world_reset(World * world)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
world_private(World * world)82 void *world_private(World *world)
83 {
84 return world + 1;
85 }
86
world_rocker(World * world)87 Rocker *world_rocker(World *world)
88 {
89 return world->r;
90 }
91
world_type(World * world)92 enum rocker_world_type world_type(World *world)
93 {
94 return world->type;
95 }
96
world_name(World * world)97 const char *world_name(World *world)
98 {
99 return world->ops->name;
100 }
101