ia64/xen-unstable

view xen/include/public/platform.h @ 16203:4393255607be

x86, dom0: Allow get idle time stats by mask.
Signed-off-by: Kevin Tian <kevin.tian@intel.com>
author Keir Fraser <keir@xensource.com>
date Wed Oct 24 10:49:03 2007 +0100 (2007-10-24)
parents 50edcaff5520
children ad0f20f5590a
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 #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 {
122 /* IN variables. */
123 uint32_t type;
124 uint32_t index;
125 /* OUT variables. */
126 union {
127 struct {
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. */
138 XEN_GUEST_HANDLE(void) edd_params;
139 } disk_info; /* XEN_FW_DISK_INFO */
140 struct {
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 */
144 struct {
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 */
151 } u;
152 };
153 typedef struct xenpf_firmware_info xenpf_firmware_info_t;
154 DEFINE_XEN_GUEST_HANDLE(xenpf_firmware_info_t);
156 #define XENPF_enter_acpi_sleep 51
157 struct xenpf_enter_acpi_sleep {
158 /* IN variables */
159 uint16_t pm1a_cnt_val; /* PM1a control value. */
160 uint16_t pm1b_cnt_val; /* PM1b control value. */
161 uint32_t sleep_state; /* Which state to enter (Sn). */
162 uint32_t flags; /* Must be zero. */
163 };
164 typedef struct xenpf_enter_acpi_sleep xenpf_enter_acpi_sleep_t;
165 DEFINE_XEN_GUEST_HANDLE(xenpf_enter_acpi_sleep_t);
167 #define XENPF_change_freq 52
168 struct xenpf_change_freq {
169 /* IN variables */
170 uint32_t flags; /* Must be zero. */
171 uint32_t cpu; /* Physical cpu. */
172 uint64_t freq; /* New frequency (Hz). */
173 };
174 typedef struct xenpf_change_freq xenpf_change_freq_t;
175 DEFINE_XEN_GUEST_HANDLE(xenpf_change_freq_t);
177 /*
178 * Get idle times (nanoseconds since boot) for physical CPUs specified in the
179 * @cpumap_bitmap with range [0..@cpumap_nr_cpus-1]. The @idletime array is
180 * indexed by CPU number; only entries with the corresponding @cpumap_bitmap
181 * bit set are written to. On return, @cpumap_bitmap is modified so that any
182 * non-existent CPUs are cleared. Such CPUs have their @idletime array entry
183 * cleared.
184 */
185 #define XENPF_getidletime 53
186 struct xenpf_getidletime {
187 /* IN/OUT variables */
188 /* IN: CPUs to interrogate; OUT: subset of IN which are present */
189 XEN_GUEST_HANDLE(uint8_t) cpumap_bitmap;
190 /* IN variables */
191 /* Size of cpumap bitmap. */
192 uint32_t cpumap_nr_cpus;
193 /* Must be indexable for every cpu in cpumap_bitmap. */
194 XEN_GUEST_HANDLE(uint64_t) idletime;
195 /* OUT variables */
196 /* System time when the idletime snapshots were taken. */
197 uint64_t now;
198 };
199 typedef struct xenpf_getidletime xenpf_getidletime_t;
200 DEFINE_XEN_GUEST_HANDLE(xenpf_getidletime_t);
202 struct xen_platform_op {
203 uint32_t cmd;
204 uint32_t interface_version; /* XENPF_INTERFACE_VERSION */
205 union {
206 struct xenpf_settime settime;
207 struct xenpf_add_memtype add_memtype;
208 struct xenpf_del_memtype del_memtype;
209 struct xenpf_read_memtype read_memtype;
210 struct xenpf_microcode_update microcode;
211 struct xenpf_platform_quirk platform_quirk;
212 struct xenpf_firmware_info firmware_info;
213 struct xenpf_enter_acpi_sleep enter_acpi_sleep;
214 struct xenpf_change_freq change_freq;
215 struct xenpf_getidletime getidletime;
216 uint8_t pad[128];
217 } u;
218 };
219 typedef struct xen_platform_op xen_platform_op_t;
220 DEFINE_XEN_GUEST_HANDLE(xen_platform_op_t);
222 #endif /* __XEN_PUBLIC_PLATFORM_H__ */
224 /*
225 * Local variables:
226 * mode: C
227 * c-set-style: "BSD"
228 * c-basic-offset: 4
229 * tab-width: 4
230 * indent-tabs-mode: nil
231 * End:
232 */