1 /******************************************************************************
4 * Hardware platform operations. Intended for use by domain-0 kernel.
6 * Permission is hereby granted, free of charge, to any person obtaining a copy
7 * of this software and associated documentation files (the "Software"), to
8 * deal in the Software without restriction, including without limitation the
9 * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
10 * sell copies of the Software, and to permit persons to whom the Software is
11 * furnished to do so, subject to the following conditions:
13 * The above copyright notice and this permission notice shall be included in
14 * all copies or substantial portions of the Software.
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
19 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
21 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
22 * DEALINGS IN THE SOFTWARE.
24 * Copyright (c) 2002-2006, K Fraser
27 #ifndef __XEN_PUBLIC_PLATFORM_H__
28 #define __XEN_PUBLIC_PLATFORM_H__
32 #define XENPF_INTERFACE_VERSION 0x03000001
35 * Set clock such that it would read <secs,nsecs> after 00:00:00 UTC,
36 * 1 January, 1970 if the current system time was <system_time>.
38 #define XENPF_settime 17
39 struct xenpf_settime {
45 typedef struct xenpf_settime xenpf_settime_t;
46 DEFINE_XEN_GUEST_HANDLE(xenpf_settime_t);
49 * Request memory range (@mfn, @mfn+@nr_mfns-1) to have type @type.
50 * On x86, @type is an architecture-defined MTRR memory type.
51 * On success, returns the MTRR that was used (@reg) and a handle that can
52 * be passed to XENPF_DEL_MEMTYPE to accurately tear down the new setting.
55 #define XENPF_add_memtype 31
56 struct xenpf_add_memtype {
65 typedef struct xenpf_add_memtype xenpf_add_memtype_t;
66 DEFINE_XEN_GUEST_HANDLE(xenpf_add_memtype_t);
69 * Tear down an existing memory-range type. If @handle is remembered then it
70 * should be passed in to accurately tear down the correct setting (in case
71 * of overlapping memory regions with differing types). If it is not known
72 * then @handle should be set to zero. In all cases @reg must be set.
75 #define XENPF_del_memtype 32
76 struct xenpf_del_memtype {
81 typedef struct xenpf_del_memtype xenpf_del_memtype_t;
82 DEFINE_XEN_GUEST_HANDLE(xenpf_del_memtype_t);
84 /* Read current type of an MTRR (x86-specific). */
85 #define XENPF_read_memtype 33
86 struct xenpf_read_memtype {
94 typedef struct xenpf_read_memtype xenpf_read_memtype_t;
95 DEFINE_XEN_GUEST_HANDLE(xenpf_read_memtype_t);
97 #define XENPF_microcode_update 35
98 struct xenpf_microcode_update {
100 void * data; /* Pointer to microcode data */
101 uint32_t length; /* Length of microcode data. */
103 typedef struct xenpf_microcode_update xenpf_microcode_update_t;
104 DEFINE_XEN_GUEST_HANDLE(xenpf_microcode_update_t);
106 #define XENPF_platform_quirk 39
107 #define QUIRK_NOIRQBALANCING 1 /* Do not restrict IO-APIC RTE targets */
108 #define QUIRK_IOAPIC_BAD_REGSEL 2 /* IO-APIC REGSEL forgets its value */
109 #define QUIRK_IOAPIC_GOOD_REGSEL 3 /* IO-APIC REGSEL behaves properly */
110 struct xenpf_platform_quirk {
114 typedef struct xenpf_platform_quirk xenpf_platform_quirk_t;
115 DEFINE_XEN_GUEST_HANDLE(xenpf_platform_quirk_t);
117 #define XENPF_firmware_info 50
118 #define XEN_FW_DISK_INFO 1 /* from int 13 AH=08/41/48 */
119 #define XEN_FW_DISK_MBR_SIGNATURE 2 /* from MBR offset 0x1b8 */
120 #define XEN_FW_VBEDDC_INFO 3 /* from int 10 AX=4f15 */
121 struct xenpf_firmware_info {
128 /* Int13, Fn48: Check Extensions Present. */
129 uint8_t device; /* %dl: bios device number */
130 uint8_t version; /* %ah: major version */
131 uint16_t interface_support; /* %cx: support bitmap */
132 /* Int13, Fn08: Legacy Get Device Parameters. */
133 uint16_t legacy_max_cylinder; /* %cl[7:6]:%ch: max cyl # */
134 uint8_t legacy_max_head; /* %dh: max head # */
135 uint8_t legacy_sectors_per_track; /* %cl[5:0]: max sector # */
136 /* Int13, Fn41: Get Device Parameters (as filled into %ds:%esi). */
137 /* NB. First uint16_t of buffer must be set to buffer size. */
139 } disk_info; /* XEN_FW_DISK_INFO */
141 uint8_t device; /* bios device number */
142 uint32_t mbr_signature; /* offset 0x1b8 in mbr */
143 } disk_mbr_signature; /* XEN_FW_DISK_MBR_SIGNATURE */
145 /* Int10, AX=4F15: Get EDID info. */
146 uint8_t capabilities;
147 uint8_t edid_transfer_time;
148 /* must refer to 128-byte buffer */
149 XEN_GUEST_HANDLE(uint8_t) edid;
150 } vbeddc_info; /* XEN_FW_VBEDDC_INFO */
153 typedef struct xenpf_firmware_info xenpf_firmware_info_t;
154 DEFINE_XEN_GUEST_HANDLE(xenpf_firmware_info_t);
156 struct xen_platform_op {
158 uint32_t interface_version; /* XENPF_INTERFACE_VERSION */
160 struct xenpf_settime settime;
161 struct xenpf_add_memtype add_memtype;
162 struct xenpf_del_memtype del_memtype;
163 struct xenpf_read_memtype read_memtype;
164 struct xenpf_microcode_update microcode;
165 struct xenpf_platform_quirk platform_quirk;
166 struct xenpf_firmware_info firmware_info;
170 typedef struct xen_platform_op xen_platform_op_t;
171 DEFINE_XEN_GUEST_HANDLE(xen_platform_op_t);
173 #endif /* __XEN_PUBLIC_PLATFORM_H__ */
181 * indent-tabs-mode: nil