ia64/xen-unstable

view xen/include/public/hvm/ioreq.h @ 14860:a9aa7c29eda8

hvm: Fix a bug in the mmio emulation of SUB instruction.
Signed-off-by: Dexuan Cui <dexuan.cui@intel.com>
author kfraser@localhost.localdomain
date Mon Apr 16 11:35:58 2007 +0100 (2007-04-16)
parents 1a347b19142a
children 4bbc509a0b3f
line source
1 /*
2 * ioreq.h: I/O request definitions for device models
3 * Copyright (c) 2004, Intel Corporation.
4 *
5 * Permission is hereby granted, free of charge, to any person obtaining a copy
6 * of this software and associated documentation files (the "Software"), to
7 * deal in the Software without restriction, including without limitation the
8 * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
9 * sell copies of the Software, and to permit persons to whom the Software is
10 * furnished to do so, subject to the following conditions:
11 *
12 * The above copyright notice and this permission notice shall be included in
13 * all copies or substantial portions of the Software.
14 *
15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
18 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
19 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
20 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
21 * DEALINGS IN THE SOFTWARE.
22 */
24 #ifndef _IOREQ_H_
25 #define _IOREQ_H_
27 #define IOREQ_READ 1
28 #define IOREQ_WRITE 0
30 #define STATE_IOREQ_NONE 0
31 #define STATE_IOREQ_READY 1
32 #define STATE_IOREQ_INPROCESS 2
33 #define STATE_IORESP_READY 3
35 #define IOREQ_TYPE_PIO 0 /* pio */
36 #define IOREQ_TYPE_COPY 1 /* mmio ops */
37 #define IOREQ_TYPE_AND 2
38 #define IOREQ_TYPE_OR 3
39 #define IOREQ_TYPE_XOR 4
40 #define IOREQ_TYPE_XCHG 5
41 #define IOREQ_TYPE_ADD 6
42 #define IOREQ_TYPE_TIMEOFFSET 7
43 #define IOREQ_TYPE_INVALIDATE 8 /* mapcache */
44 #define IOREQ_TYPE_SUB 9
46 /*
47 * VMExit dispatcher should cooperate with instruction decoder to
48 * prepare this structure and notify service OS and DM by sending
49 * virq
50 */
51 struct ioreq {
52 uint64_t addr; /* physical address */
53 uint64_t size; /* size in bytes */
54 uint64_t count; /* for rep prefixes */
55 uint64_t data; /* data (or paddr of data) */
56 uint8_t state:4;
57 uint8_t data_is_ptr:1; /* if 1, data above is the guest paddr
58 * of the real data to use. */
59 uint8_t dir:1; /* 1=read, 0=write */
60 uint8_t df:1;
61 uint8_t type; /* I/O type */
62 uint8_t _pad0[6];
63 uint64_t io_count; /* How many IO done on a vcpu */
64 };
65 typedef struct ioreq ioreq_t;
67 struct vcpu_iodata {
68 struct ioreq vp_ioreq;
69 /* Event channel port */
70 unsigned int vp_eport; /* VMX vcpu uses this to notify DM */
71 };
72 typedef struct vcpu_iodata vcpu_iodata_t;
74 struct shared_iopage {
75 struct vcpu_iodata vcpu_iodata[1];
76 };
77 typedef struct shared_iopage shared_iopage_t;
79 #define IOREQ_BUFFER_SLOT_NUM 80
80 struct buffered_iopage {
81 unsigned int read_pointer;
82 unsigned int write_pointer;
83 ioreq_t ioreq[IOREQ_BUFFER_SLOT_NUM];
84 }; /* sizeof this structure must be in one page */
85 typedef struct buffered_iopage buffered_iopage_t;
87 #if defined(__ia64__)
88 struct pio_buffer {
89 uint32_t page_offset;
90 uint32_t pointer;
91 uint32_t data_end;
92 uint32_t buf_size;
93 void *opaque;
94 };
96 #define PIO_BUFFER_IDE_PRIMARY 0 /* I/O port = 0x1F0 */
97 #define PIO_BUFFER_IDE_SECONDARY 1 /* I/O port = 0x170 */
98 #define PIO_BUFFER_ENTRY_NUM 2
99 struct buffered_piopage {
100 struct pio_buffer pio[PIO_BUFFER_ENTRY_NUM];
101 uint8_t buffer[1];
102 };
103 #endif /* defined(__ia64__) */
105 #if defined(__i386__) || defined(__x86_64__)
106 #define ACPI_PM1A_EVT_BLK_ADDRESS 0x0000000000001f40
107 #define ACPI_PM1A_CNT_BLK_ADDRESS (ACPI_PM1A_EVT_BLK_ADDRESS + 0x04)
108 #define ACPI_PM_TMR_BLK_ADDRESS (ACPI_PM1A_EVT_BLK_ADDRESS + 0x08)
109 #endif /* defined(__i386__) || defined(__x86_64__) */
111 #endif /* _IOREQ_H_ */
113 /*
114 * Local variables:
115 * mode: C
116 * c-set-style: "BSD"
117 * c-basic-offset: 4
118 * tab-width: 4
119 * indent-tabs-mode: nil
120 * End:
121 */