blob: c06718b010547724e564e4e800f344e21c170efa (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
|
/*
* ioreq.h: I/O request definitions for device models
* Copyright (c) 2004, Intel Corporation.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms and conditions of the GNU General Public License,
* version 2, as published by the Free Software Foundation.
*
* This program is distributed in the hope it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
* more details.
*
* You should have received a copy of the GNU General Public License along with
* this program; if not, write to the Free Software Foundation, Inc., 59 Temple
* Place - Suite 330, Boston, MA 02111-1307 USA.
*
*/
#ifndef _IOREQ_H_
#define _IOREQ_H_
#define IOREQ_READ 1
#define IOREQ_WRITE 0
#define STATE_INVALID 0
#define STATE_IOREQ_READY 1
#define STATE_IOREQ_INPROCESS 2
#define STATE_IORESP_READY 3
#define STATE_IORESP_HOOK 4
/* VMExit dispatcher should cooperate with instruction decoder to
prepare this structure and notify service OS and DM by sending
virq */
typedef struct {
u64 addr; /* physical address */
u64 size; /* size in bytes */
u64 count; /* for rep prefixes */
union {
u64 data; /* data */
void *pdata; /* pointer to data */
} u;
u8 state:4;
u8 pdata_valid:1; /* if 1, use pdata above */
u8 dir:1; /* 1=read, 0=write */
u8 port_mm:1; /* 0=portio, 1=mmio */
u8 df:1;
} ioreq_t;
#define MAX_VECTOR 256
#define BITS_PER_BYTE 8
#define INTR_LEN (MAX_VECTOR/(BITS_PER_BYTE * sizeof(u64)))
typedef struct {
u64 pic_intr[INTR_LEN];
u64 pic_mask[INTR_LEN];
int eport; /* Event channel port */
} global_iodata_t;
typedef struct {
ioreq_t vp_ioreq;
unsigned long vp_intr[INTR_LEN];
} vcpu_iodata_t;
typedef struct {
global_iodata_t sp_global;
vcpu_iodata_t vcpu_iodata[1];
} shared_iopage_t;
#endif /* _IOREQ_H_ */
|
