Palacios Public Git Repository

To checkout Palacios execute

  git clone http://v3vee.org/palacios/palacios.web/palacios.git
This will give you the master branch. You probably want the devel branch or one of the release branches. To switch to the devel branch, simply execute
  cd palacios
  git checkout --track -b devel origin/devel
The other branches are similar.


stupid typo fix to the stream interface to prevent memory corruption
[palacios.git] / palacios / src / interfaces / vmm_stream.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) 2010, Lei Xia <lxia@northwestern.edu> 
11  * Copyright (c) 2010, The V3VEE Project <http://www.v3vee.org> 
12  * All rights reserved.
13  *
14  * Author: Lei Xia <lxia@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.h>
22 #include <palacios/vmm_debug.h>
23 #include <palacios/vmm_types.h>
24
25 #include <interfaces/vmm_stream.h>
26 #include <palacios/vm_guest.h>
27
28 static struct v3_stream_hooks * stream_hooks = NULL;
29
30 // VM can be NULL
31 struct v3_stream * v3_stream_open(struct v3_vm_info * vm, const char * name, 
32                                   uint64_t (*input)(struct v3_stream * stream, uint8_t * buf, uint64_t len),
33                                   void * guest_stream_data) {
34     struct v3_stream * stream = NULL;
35
36     V3_ASSERT(stream_hooks != NULL);
37     V3_ASSERT(stream_hooks->open != NULL);
38
39     stream = V3_Malloc(sizeof(struct v3_stream));
40
41     stream->input = input;
42     stream->guest_stream_data = guest_stream_data;
43     stream->host_stream_data = stream_hooks->open(stream, name, vm->host_priv_data);
44
45     return stream;
46 }
47
48 uint64_t v3_stream_output(struct v3_stream * stream, uint8_t * buf, uint32_t len) {
49     V3_ASSERT(stream_hooks != NULL);
50     V3_ASSERT(stream_hooks->output != NULL);
51
52     return stream_hooks->output(stream, buf, len);
53 }
54
55 void v3_stream_close(struct v3_stream * stream) {
56     V3_ASSERT(stream_hooks != NULL);
57     V3_ASSERT(stream_hooks->close != NULL);
58
59     stream_hooks->close(stream);
60
61     V3_Free(stream);
62 }
63
64
65
66 void V3_Init_Stream(struct v3_stream_hooks * hooks) {
67     stream_hooks = hooks;
68     PrintDebug("V3 stream inited\n");
69
70     return;
71 }