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) 2008, Jack Lange <jarusl@cs.northwestern.edu>
11 * Copyright (c) 2008, The V3VEE Project <http://www.v3vee.org>
12 * All rights reserved.
14 * Author: Jack Lange <jarusl@cs.northwestern.edu>
16 * This is free software. You are permitted to use,
17 * redistribute, and modify it as specified in the file "V3VEE_LICENSE".
20 #ifndef __DEVICES_IDE_H__
21 #define __DEVICES_IDE_H__
24 #include <palacios/vm_dev.h>
27 #define ATAPI_BLOCK_SIZE 2048
28 #define IDE_SECTOR_SIZE 512
30 typedef enum {IDE_NONE, IDE_DISK, IDE_CDROM} v3_ide_dev_type_t;
32 struct v3_ide_cd_ops {
33 uint32_t (*get_capacity)(void * private_data);
34 // Reads always operate on 2048 byte blocks
35 int (*read)(uint8_t * buf, int block_count, uint64_t lba, void * private_data);
39 struct v3_ide_hd_ops {
40 uint64_t (*get_capacity)(void * private_data);
41 // Reads always operate on 2048 byte blocks
42 int (*read)(uint8_t * buf, int sector_count, uint64_t lba, void * private_data);
43 int (*write)(uint8_t * buf, int sector_count, uint64_t lba, void * private_data);
47 int v3_ide_register_cdrom(struct vm_device * ide,
51 struct v3_ide_cd_ops * ops,
54 int v3_ide_register_harddisk(struct vm_device * ide,
58 struct v3_ide_hd_ops * ops,
63 struct vm_device * v3_create_ide();
67 int v3_ide_get_geometry(struct vm_device * ide_dev, int channel_num, int drive_num,
68 uint32_t * cylinders, uint32_t * heads, uint32_t * sectors);