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, Peter Dinda (pdinda@northwestern.edu>
11 * Copyright (c) 2010, The V3VEE Project <http://www.v3vee.org>
12 * All rights reserved.
14 * Author: Peter Dinda <pdinda@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 #ifndef __VMM_STREAM_H__
22 #define __VMM_STREAM_H__
27 void * host_stream_data;
28 void * guest_stream_data;
30 // negative return = error
31 // zero return = would block
32 // otherwise = amount of data transfered
33 sint64_t (*input)(struct v3_stream * stream, uint8_t * buf, sint64_t len);
38 #include <palacios/vmm.h>
43 struct v3_stream * v3_stream_open(struct v3_vm_info * vm, const char * name,
44 sint64_t (*input)(struct v3_stream * stream, uint8_t * buf, sint64_t len),
45 void * guest_stream_data);
48 // negative return = error
49 // zero return = would block
50 // otherwise = amount of data transfered
51 sint64_t v3_stream_output(struct v3_stream * stream, uint8_t * buf, sint64_t len);
53 void v3_stream_close(struct v3_stream * stream);
58 struct v3_stream_hooks {
59 void *(*open)(struct v3_stream * stream, const char * name, void * host_vm_data);
60 sint64_t (*output)(struct v3_stream * stream, uint8_t * buf, sint64_t len);
61 void (*close)(struct v3_stream * stream);
65 void V3_Init_Stream(struct v3_stream_hooks * hooks);