palacios/src/palacios/vmm_graphics_console.c

   1 /*
   2  * This file is part of the Palacios Virtual Machine Monitor developed
   3  * by the V3VEE Project with funding from the United States National
   4  * Science Foundation and the Department of Energy.
   5  *
   6  * The V3VEE Project is a joint project between Northwestern University
   7  * and the University of New Mexico.  You can find out more at
   8  * http://www.v3vee.org
   9  *
  10  * Copyright (c) 2011, Peter Dinda <pdinda@northwestern.edu>
  11  * Copyright (c) 2011, The V3VEE Project <http://www.v3vee.org>
  12  * All rights reserved.
  13  *
  14  * Author: Peter Dinda <pdinda@northwestern.edu>
  15  *
  16  * This is free software.  You are permitted to use,
  17  * redistribute, and modify it as specified in the file "V3VEE_LICENSE".
  18  */
  19
  20
  21 #include <palacios/vmm_graphics_console.h>
  22 #include <palacios/vmm.h>
  23 #include <palacios/vmm_debug.h>
  24 #include <palacios/vmm_types.h>
  25 #include <palacios/vm_guest.h>
  26
  27 struct v3_graphics_console_hooks * graphics_console_hooks = 0;
  28
  29 v3_graphics_console_t v3_graphics_console_open(struct v3_vm_info * vm,
  30                                                struct v3_frame_buffer_spec *desired_spec,
  31                                                struct v3_frame_buffer_spec *actual_spec)
  32 {
  33     V3_ASSERT(graphics_console_hooks != NULL);
  34     V3_ASSERT(graphics_console_hooks->open != NULL);
  35
  36     return graphics_console_hooks->open(vm->host_priv_data, desired_spec, actual_spec);
  37 }
  38
  39 void v3_graphics_console_close(v3_graphics_console_t cons)
  40 {
  41     V3_ASSERT(graphics_console_hooks);
  42     V3_ASSERT(graphics_console_hooks->close);
  43
  44     graphics_console_hooks->close(cons);
  45 }
  46
  47 void * v3_graphics_console_get_frame_buffer_data_read(v3_graphics_console_t cons, struct v3_frame_buffer_spec *spec)
  48 {
  49     V3_ASSERT(graphics_console_hooks != NULL);
  50     V3_ASSERT(graphics_console_hooks->get_data_read != NULL);
  51
  52     return graphics_console_hooks->get_data_read(cons, spec);
  53 }
  54
  55
  56 void  v3_graphics_console_release_frame_buffer_data_read(v3_graphics_console_t cons)
  57 {
  58     V3_ASSERT(graphics_console_hooks != NULL);
  59     V3_ASSERT(graphics_console_hooks->release_data_read != NULL);
  60
  61     return graphics_console_hooks->release_data_read(cons);
  62 }
  63
  64 void * v3_graphics_console_get_frame_buffer_data_rw(v3_graphics_console_t cons, struct v3_frame_buffer_spec *spec)
  65 {
  66     V3_ASSERT(graphics_console_hooks != NULL);
  67     V3_ASSERT(graphics_console_hooks->get_data_rw != NULL);
  68
  69     return graphics_console_hooks->get_data_rw(cons, spec);
  70 }
  71
  72 void v3_graphics_console_release_frame_buffer_data_rw(v3_graphics_console_t cons)
  73 {
  74     V3_ASSERT(graphics_console_hooks != NULL);
  75     V3_ASSERT(graphics_console_hooks->release_data_rw != NULL);
  76
  77     return graphics_console_hooks->release_data_rw(cons);
  78 }
  79
  80
  81
  82 int v3_graphics_console_inform_update(v3_graphics_console_t cons) {
  83     V3_ASSERT(graphics_console_hooks != NULL);
  84     V3_ASSERT(graphics_console_hooks->changed != NULL);
  85
  86     return graphics_console_hooks->changed(cons);
  87 }
  88
  89 void V3_Init_Graphics_Console(struct v3_graphics_console_hooks * hooks) {
  90     graphics_console_hooks = hooks;
  91     PrintDebug("V3 graphics console inited\n");
  92
  93     return;
  94 }