virtproxy.h

   1 /*
   2  * virt-proxy - host/guest communication layer
   3  *
   4  * Copyright IBM Corp. 2010
   5  *
   6  * Authors:
   7  *  Michael Roth      <mdroth@linux.vnet.ibm.com>
   8  *
   9  * This work is licensed under the terms of the GNU GPL, version 2 or later.
  10  * See the COPYING file in the top-level directory.
  11  *
  12  */
  13
  14 #ifndef VIRTPROXY_H
  15 #define VIRTPROXY_H
  16
  17 #include "qemu-common.h"
  18 #include "qemu-queue.h"
  19 #include "qemu-char.h"
  20
  21 typedef struct VPDriver VPDriver;
  22 enum vp_context {
  23     VP_CTX_CHARDEV, /* in qemu/host, channel is a virtproxy chardev */
  24     VP_CTX_FD,      /* in guest, channel is an FD */
  25 };
  26
  27 /* wrappers for s/vp/qemu/ functions we need */
  28 int vp_send_all(int fd, const void *buf, int len1);
  29 int vp_set_fd_handler2(int fd,
  30                          IOCanReadHandler *fd_read_poll,
  31                          IOHandler *fd_read,
  32                          IOHandler *fd_write,
  33                          void *opaque);
  34 int vp_set_fd_handler(int fd,
  35                         IOHandler *fd_read,
  36                         IOHandler *fd_write,
  37                         void *opaque);
  38 void vp_chr_read(CharDriverState *s, uint8_t *buf, int len);
  39
  40 /* virtproxy interface */
  41 VPDriver *vp_new(enum vp_context ctx, CharDriverState *s, int fd, bool listen);
  42 int vp_set_oforward(VPDriver *drv, int fd, const char *service_id);
  43 int vp_set_iforward(VPDriver *drv, const char *service_id, const char *addr,
  44                     const char *port, bool ipv6);
  45 int vp_handle_packet_buf(VPDriver *drv, const void *buf, int count);
  46
  47 #endif /* VIRTPROXY_H */