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.
6 * The V3VEE Project is a joint project between Northwestern University
7 * and the University of New Mexico. You can find out more at
10 * Copyright (c) 2010, Lei Xia <lxia@northwestern.edu>
11 * Copyright (c) 2010, The V3VEE Project <http://www.v3vee.org>
12 * All rights reserved.
14 * Author: Lei Xia <lxia@northwestern.edu>
16 * This is free software. You are permitted to use,
17 * redistribute, and modify it as specified in the file "V3VEE_LICENSE".
21 #include <palacios/vmm.h>
22 #include <palacios/vmm_debug.h>
23 #include <palacios/vmm_types.h>
25 #include <interfaces/vmm_stream.h>
26 #include <palacios/vm_guest.h>
28 static struct v3_stream_hooks * stream_hooks = 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;
36 V3_ASSERT(stream_hooks != NULL);
37 V3_ASSERT(stream_hooks->open != NULL);
39 stream = V3_Malloc(sizeof(struct v3_stream));
42 PrintError("Cannot allocate in opening a stream\n");
46 stream->input = input;
47 stream->guest_stream_data = guest_stream_data;
48 stream->host_stream_data = stream_hooks->open(stream, name, vm->host_priv_data);
53 uint64_t v3_stream_output(struct v3_stream * stream, uint8_t * buf, uint32_t len) {
54 V3_ASSERT(stream_hooks != NULL);
55 V3_ASSERT(stream_hooks->output != NULL);
57 return stream_hooks->output(stream, buf, len);
60 void v3_stream_close(struct v3_stream * stream) {
61 V3_ASSERT(stream_hooks != NULL);
62 V3_ASSERT(stream_hooks->close != NULL);
64 stream_hooks->close(stream);
71 void V3_Init_Stream(struct v3_stream_hooks * hooks) {
73 PrintDebug("V3 stream inited\n");