hw/net/rocker/rocker_world.h

   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 #ifndef ROCKER_WORLD_H
  18 #define ROCKER_WORLD_H
  19
  20 #include "rocker_hw.h"
  21
  22 enum rocker_world_type {
  23     ROCKER_WORLD_TYPE_OF_DPA = ROCKER_PORT_MODE_OF_DPA,
  24     ROCKER_WORLD_TYPE_MAX,
  25 };
  26
  27 typedef int (world_init)(World *world);
  28 typedef void (world_uninit)(World *world);
  29 typedef ssize_t (world_ig)(World *world, uint32_t pport,
  30                            const struct iovec *iov, int iovcnt);
  31 typedef int (world_cmd)(World *world, DescInfo *info,
  32                         char *buf, uint16_t cmd,
  33                         RockerTlv *cmd_info_tlv);
  34
  35 typedef struct world_ops {
  36     const char *name;
  37     world_init *init;
  38     world_uninit *uninit;
  39     world_ig *ig;
  40     world_cmd *cmd;
  41 } WorldOps;
  42
  43 ssize_t world_ingress(World *world, uint32_t pport,
  44                       const struct iovec *iov, int iovcnt);
  45 int world_do_cmd(World *world, DescInfo *info,
  46                  char *buf, uint16_t cmd, RockerTlv *cmd_info_tlv);
  47
  48 World *world_alloc(Rocker *r, size_t sizeof_private,
  49                    enum rocker_world_type type, WorldOps *ops);
  50 void world_free(World *world);
  51 void world_reset(World *world);
  52
  53 void *world_private(World *world);
  54 Rocker *world_rocker(World *world);
  55
  56 enum rocker_world_type world_type(World *world);
  57 const char *world_name(World *world);
  58
  59 World *rocker_get_world(Rocker *r, enum rocker_world_type type);
  60
  61 #endif /* ROCKER_WORLD_H */