ia64/xen-unstable

view xen/include/public/platform.h @ 12938:b58670602d35

[POWERPC][XEN] Builtin cmdline dependency rule
Rebuild cmdline.o when the user changes the CMDLINE=X argument passed to
the make invocation. I couldn't find an example of another project that
handles this case properly, so I came up with this.
Signed-off-by: Amos Waterland <apw@us.ibm.com>
Signed-off-by: Hollis Blanchard <hollisb@us.ibm.com>
author Hollis Blanchard <hollisb@us.ibm.com>
date Thu Oct 05 15:48:26 2006 -0500 (2006-10-05)
parents 8d0e06c38c0c
children 296fd2598e00
line source
1 /******************************************************************************
2 * platform.h
3 *
4 * Hardware platform operations. Intended for use by domain-0 kernel.
5 *
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:
12 *
13 * The above copyright notice and this permission notice shall be included in
14 * all copies or substantial portions of the Software.
15 *
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.
23 *
24 * Copyright (c) 2002-2006, K Fraser
25 */
27 #ifndef __XEN_PUBLIC_PLATFORM_H__
28 #define __XEN_PUBLIC_PLATFORM_H__
30 #include "xen.h"
32 #define XENPF_INTERFACE_VERSION 0x03000001
34 /*
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>.
37 */
38 #define XENPF_settime 17
39 struct xenpf_settime {
40 /* IN variables. */
41 uint32_t secs;
42 uint32_t nsecs;
43 uint64_t system_time;
44 };
45 typedef struct xenpf_settime xenpf_settime_t;
46 DEFINE_XEN_GUEST_HANDLE(xenpf_settime_t);
48 /*
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.
53 * (x86-specific).
54 */
55 #define XENPF_add_memtype 31
56 struct xenpf_add_memtype {
57 /* IN variables. */
58 xen_pfn_t mfn;
59 uint64_t nr_mfns;
60 uint32_t type;
61 /* OUT variables. */
62 uint32_t handle;
63 uint32_t reg;
64 };
65 typedef struct xenpf_add_memtype xenpf_add_memtype_t;
66 DEFINE_XEN_GUEST_HANDLE(xenpf_add_memtype_t);
68 /*
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.
73 * (x86-specific).
74 */
75 #define XENPF_del_memtype 32
76 struct xenpf_del_memtype {
77 /* IN variables. */
78 uint32_t handle;
79 uint32_t reg;
80 };
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 {
87 /* IN variables. */
88 uint32_t reg;
89 /* OUT variables. */
90 xen_pfn_t mfn;
91 uint64_t nr_mfns;
92 uint32_t type;
93 };
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 {
99 /* IN variables. */
100 XEN_GUEST_HANDLE(void) data; /* Pointer to microcode data */
101 uint32_t length; /* Length of microcode data. */
102 };
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 {
111 /* IN variables. */
112 uint32_t quirk_id;
113 };
114 typedef struct xenpf_platform_quirk xenpf_platform_quirk_t;
115 DEFINE_XEN_GUEST_HANDLE(xenpf_platform_quirk_t);
117 struct xen_platform_op {
118 uint32_t cmd;
119 uint32_t interface_version; /* XENPF_INTERFACE_VERSION */
120 union {
121 struct xenpf_settime settime;
122 struct xenpf_add_memtype add_memtype;
123 struct xenpf_del_memtype del_memtype;
124 struct xenpf_read_memtype read_memtype;
125 struct xenpf_microcode_update microcode;
126 struct xenpf_platform_quirk platform_quirk;
127 uint8_t pad[128];
128 } u;
129 };
130 typedef struct xen_platform_op xen_platform_op_t;
131 DEFINE_XEN_GUEST_HANDLE(xen_platform_op_t);
133 #endif /* __XEN_PUBLIC_PLATFORM_H__ */
135 /*
136 * Local variables:
137 * mode: C
138 * c-set-style: "BSD"
139 * c-basic-offset: 4
140 * tab-width: 4
141 * indent-tabs-mode: nil
142 * End:
143 */