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 */
26
27 #ifndef __XEN_PUBLIC_PLATFORM_H__
28 #define __XEN_PUBLIC_PLATFORM_H__
29
30 #include "xen.h"
31
32 #define XENPF_INTERFACE_VERSION 0x03000001
33
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);
47
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);
67
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);
83
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);
96
97 #define XENPF_microcode_update 35
98 struct xenpf_microcode_update {
99 /* IN variables. */
100 XEN_GUEST_HANDLE(const_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);
105
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);
116
117 #define XENPF_efi_runtime_call 49
118 #define XEN_EFI_get_time 1
119 #define XEN_EFI_set_time 2
120 #define XEN_EFI_get_wakeup_time 3
121 #define XEN_EFI_set_wakeup_time 4
122 #define XEN_EFI_get_next_high_monotonic_count 5
123 #define XEN_EFI_get_variable 6
124 #define XEN_EFI_set_variable 7
125 #define XEN_EFI_get_next_variable_name 8
126 #define XEN_EFI_query_variable_info 9
127 #define XEN_EFI_query_capsule_capabilities 10
128 #define XEN_EFI_update_capsule 11
129 struct xenpf_efi_runtime_call {
130 uint32_t function;
131 /*
132 * This field is generally used for per sub-function flags (defined
133 * below), except for the XEN_EFI_get_next_high_monotonic_count case,
134 * where it holds the single returned value.
135 */
136 uint32_t misc;
137 unsigned long status;
138 union {
139 #define XEN_EFI_GET_TIME_SET_CLEARS_NS 0x00000001
140 struct {
141 struct xenpf_efi_time {
142 uint16_t year;
143 uint8_t month;
144 uint8_t day;
145 uint8_t hour;
146 uint8_t min;
147 uint8_t sec;
148 uint32_t ns;
149 int16_t tz;
150 uint8_t daylight;
151 } time;
152 uint32_t resolution;
153 uint32_t accuracy;
154 } get_time;
155
156 struct xenpf_efi_time set_time;
157
158 #define XEN_EFI_GET_WAKEUP_TIME_ENABLED 0x00000001
159 #define XEN_EFI_GET_WAKEUP_TIME_PENDING 0x00000002
160 struct xenpf_efi_time get_wakeup_time;
161
162 #define XEN_EFI_SET_WAKEUP_TIME_ENABLE 0x00000001
163 #define XEN_EFI_SET_WAKEUP_TIME_ENABLE_ONLY 0x00000002
164 struct xenpf_efi_time set_wakeup_time;
165
166 #define XEN_EFI_VARIABLE_NON_VOLATILE 0x00000001
167 #define XEN_EFI_VARIABLE_BOOTSERVICE_ACCESS 0x00000002
168 #define XEN_EFI_VARIABLE_RUNTIME_ACCESS 0x00000004
169 struct {
170 XEN_GUEST_HANDLE(void) name; /* UCS-2/UTF-16 string */
171 unsigned long size;
172 XEN_GUEST_HANDLE(void) data;
173 struct xenpf_efi_guid {
174 uint32_t data1;
175 uint16_t data2;
176 uint16_t data3;
177 uint8_t data4[8];
178 } vendor_guid;
179 } get_variable, set_variable;
180
181 struct {
182 unsigned long size;
183 XEN_GUEST_HANDLE(void) name; /* UCS-2/UTF-16 string */
184 struct xenpf_efi_guid vendor_guid;
185 } get_next_variable_name;
186
187 struct {
188 uint32_t attr;
189 uint64_t max_store_size;
190 uint64_t remain_store_size;
191 uint64_t max_size;
192 } query_variable_info;
193
194 struct {
195 XEN_GUEST_HANDLE(void) capsule_header_array;
196 unsigned long capsule_count;
197 uint64_t max_capsule_size;
198 unsigned int reset_type;
199 } query_capsule_capabilities;
200
201 struct {
202 XEN_GUEST_HANDLE(void) capsule_header_array;
203 unsigned long capsule_count;
204 uint64_t sg_list; /* machine address */
205 } update_capsule;
206 } u;
207 };
208 typedef struct xenpf_efi_runtime_call xenpf_efi_runtime_call_t;
209 DEFINE_XEN_GUEST_HANDLE(xenpf_efi_runtime_call_t);
210
211 #define XENPF_firmware_info 50
212 #define XEN_FW_DISK_INFO 1 /* from int 13 AH=08/41/48 */
213 #define XEN_FW_DISK_MBR_SIGNATURE 2 /* from MBR offset 0x1b8 */
214 #define XEN_FW_VBEDDC_INFO 3 /* from int 10 AX=4f15 */
215 #define XEN_FW_EFI_INFO 4 /* from EFI */
216 #define XEN_FW_EFI_VERSION 0
217 #define XEN_FW_EFI_CONFIG_TABLE 1
218 #define XEN_FW_EFI_VENDOR 2
219 #define XEN_FW_EFI_MEM_INFO 3
220 #define XEN_FW_EFI_RT_VERSION 4
221 struct xenpf_firmware_info {
222 /* IN variables. */
223 uint32_t type;
224 uint32_t index;
225 /* OUT variables. */
226 union {
227 struct {
228 /* Int13, Fn48: Check Extensions Present. */
229 uint8_t device; /* %dl: bios device number */
230 uint8_t version; /* %ah: major version */
231 uint16_t interface_support; /* %cx: support bitmap */
232 /* Int13, Fn08: Legacy Get Device Parameters. */
233 uint16_t legacy_max_cylinder; /* %cl[7:6]:%ch: max cyl # */
234 uint8_t legacy_max_head; /* %dh: max head # */
235 uint8_t legacy_sectors_per_track; /* %cl[5:0]: max sector # */
236 /* Int13, Fn41: Get Device Parameters (as filled into %ds:%esi). */
237 /* NB. First uint16_t of buffer must be set to buffer size. */
238 XEN_GUEST_HANDLE(void) edd_params;
239 } disk_info; /* XEN_FW_DISK_INFO */
240 struct {
241 uint8_t device; /* bios device number */
242 uint32_t mbr_signature; /* offset 0x1b8 in mbr */
243 } disk_mbr_signature; /* XEN_FW_DISK_MBR_SIGNATURE */
244 struct {
245 /* Int10, AX=4F15: Get EDID info. */
246 uint8_t capabilities;
247 uint8_t edid_transfer_time;
248 /* must refer to 128-byte buffer */
249 XEN_GUEST_HANDLE(uint8) edid;
250 } vbeddc_info; /* XEN_FW_VBEDDC_INFO */
251 union xenpf_efi_info {
252 uint32_t version;
253 struct {
254 uint64_t addr; /* EFI_CONFIGURATION_TABLE */
255 uint32_t nent;
256 } cfg;
257 struct {
258 uint32_t revision;
259 uint32_t bufsz; /* input, in bytes */
260 XEN_GUEST_HANDLE(void) name; /* UCS-2/UTF-16 string */
261 } vendor;
262 struct {
263 uint64_t addr;
264 uint64_t size;
265 uint64_t attr;
266 uint32_t type;
267 } mem;
268 } efi_info; /* XEN_FW_EFI_INFO */
269 } u;
270 };
271 typedef struct xenpf_firmware_info xenpf_firmware_info_t;
272 DEFINE_XEN_GUEST_HANDLE(xenpf_firmware_info_t);
273
274 #define XENPF_enter_acpi_sleep 51
275 struct xenpf_enter_acpi_sleep {
276 /* IN variables */
277 uint16_t pm1a_cnt_val; /* PM1a control value. */
278 uint16_t pm1b_cnt_val; /* PM1b control value. */
279 uint32_t sleep_state; /* Which state to enter (Sn). */
280 uint32_t flags; /* Must be zero. */
281 };
282 typedef struct xenpf_enter_acpi_sleep xenpf_enter_acpi_sleep_t;
283 DEFINE_XEN_GUEST_HANDLE(xenpf_enter_acpi_sleep_t);
284
285 #define XENPF_change_freq 52
286 struct xenpf_change_freq {
287 /* IN variables */
288 uint32_t flags; /* Must be zero. */
289 uint32_t cpu; /* Physical cpu. */
290 uint64_t freq; /* New frequency (Hz). */
291 };
292 typedef struct xenpf_change_freq xenpf_change_freq_t;
293 DEFINE_XEN_GUEST_HANDLE(xenpf_change_freq_t);
294
295 /*
296 * Get idle times (nanoseconds since boot) for physical CPUs specified in the
297 * @cpumap_bitmap with range [0..@cpumap_nr_cpus-1]. The @idletime array is
298 * indexed by CPU number; only entries with the corresponding @cpumap_bitmap
299 * bit set are written to. On return, @cpumap_bitmap is modified so that any
300 * non-existent CPUs are cleared. Such CPUs have their @idletime array entry
301 * cleared.
302 */
303 #define XENPF_getidletime 53
304 struct xenpf_getidletime {
305 /* IN/OUT variables */
306 /* IN: CPUs to interrogate; OUT: subset of IN which are present */
307 XEN_GUEST_HANDLE(uint8) cpumap_bitmap;
308 /* IN variables */
309 /* Size of cpumap bitmap. */
310 uint32_t cpumap_nr_cpus;
311 /* Must be indexable for every cpu in cpumap_bitmap. */
312 XEN_GUEST_HANDLE(uint64) idletime;
313 /* OUT variables */
314 /* System time when the idletime snapshots were taken. */
315 uint64_t now;
316 };
317 typedef struct xenpf_getidletime xenpf_getidletime_t;
318 DEFINE_XEN_GUEST_HANDLE(xenpf_getidletime_t);
319
320 #define XENPF_set_processor_pminfo 54
321
322 /* ability bits */
323 #define XEN_PROCESSOR_PM_CX 1
324 #define XEN_PROCESSOR_PM_PX 2
325 #define XEN_PROCESSOR_PM_TX 4
326
327 /* cmd type */
328 #define XEN_PM_CX 0
329 #define XEN_PM_PX 1
330 #define XEN_PM_TX 2
331 #define XEN_PM_PDC 3
332
333 /* Px sub info type */
334 #define XEN_PX_PCT 1
335 #define XEN_PX_PSS 2
336 #define XEN_PX_PPC 4
337 #define XEN_PX_PSD 8
338
339 struct xen_power_register {
340 uint32_t space_id;
341 uint32_t bit_width;
342 uint32_t bit_offset;
343 uint32_t access_size;
344 uint64_t address;
345 };
346
347 struct xen_processor_csd {
348 uint32_t domain; /* domain number of one dependent group */
349 uint32_t coord_type; /* coordination type */
350 uint32_t num; /* number of processors in same domain */
351 };
352 typedef struct xen_processor_csd xen_processor_csd_t;
353 DEFINE_XEN_GUEST_HANDLE(xen_processor_csd_t);
354
355 struct xen_processor_cx {
356 struct xen_power_register reg; /* GAS for Cx trigger register */
357 uint8_t type; /* cstate value, c0: 0, c1: 1, ... */
358 uint32_t latency; /* worst latency (ms) to enter/exit this cstate */
359 uint32_t power; /* average power consumption(mW) */
360 uint32_t dpcnt; /* number of dependency entries */
361 XEN_GUEST_HANDLE(xen_processor_csd_t) dp; /* NULL if no dependency */
362 };
363 typedef struct xen_processor_cx xen_processor_cx_t;
364 DEFINE_XEN_GUEST_HANDLE(xen_processor_cx_t);
365
366 struct xen_processor_flags {
367 uint32_t bm_control:1;
368 uint32_t bm_check:1;
369 uint32_t has_cst:1;
370 uint32_t power_setup_done:1;
371 uint32_t bm_rld_set:1;
372 };
373
374 struct xen_processor_power {
375 uint32_t count; /* number of C state entries in array below */
376 struct xen_processor_flags flags; /* global flags of this processor */
377 XEN_GUEST_HANDLE(xen_processor_cx_t) states; /* supported c states */
378 };
379
380 struct xen_pct_register {
381 uint8_t descriptor;
382 uint16_t length;
383 uint8_t space_id;
384 uint8_t bit_width;
385 uint8_t bit_offset;
386 uint8_t reserved;
387 uint64_t address;
388 };
389
390 struct xen_processor_px {
391 uint64_t core_frequency; /* megahertz */
392 uint64_t power; /* milliWatts */
393 uint64_t transition_latency; /* microseconds */
394 uint64_t bus_master_latency; /* microseconds */
395 uint64_t control; /* control value */
396 uint64_t status; /* success indicator */
397 };
398 typedef struct xen_processor_px xen_processor_px_t;
399 DEFINE_XEN_GUEST_HANDLE(xen_processor_px_t);
400
401 struct xen_psd_package {
402 uint64_t num_entries;
403 uint64_t revision;
404 uint64_t domain;
405 uint64_t coord_type;
406 uint64_t num_processors;
407 };
408
409 struct xen_processor_performance {
410 uint32_t flags; /* flag for Px sub info type */
411 uint32_t platform_limit; /* Platform limitation on freq usage */
412 struct xen_pct_register control_register;
413 struct xen_pct_register status_register;
414 uint32_t state_count; /* total available performance states */
415 XEN_GUEST_HANDLE(xen_processor_px_t) states;
416 struct xen_psd_package domain_info;
417 uint32_t shared_type; /* coordination type of this processor */
418 };
419 typedef struct xen_processor_performance xen_processor_performance_t;
420 DEFINE_XEN_GUEST_HANDLE(xen_processor_performance_t);
421
422 struct xenpf_set_processor_pminfo {
423 /* IN variables */
424 uint32_t id; /* ACPI CPU ID */
425 uint32_t type; /* {XEN_PM_CX, XEN_PM_PX} */
426 union {
427 struct xen_processor_power power;/* Cx: _CST/_CSD */
428 struct xen_processor_performance perf; /* Px: _PPC/_PCT/_PSS/_PSD */
429 XEN_GUEST_HANDLE(uint32) pdc; /* _PDC */
430 } u;
431 };
432 typedef struct xenpf_set_processor_pminfo xenpf_set_processor_pminfo_t;
433 DEFINE_XEN_GUEST_HANDLE(xenpf_set_processor_pminfo_t);
434
435 #define XENPF_get_cpuinfo 55
436 struct xenpf_pcpuinfo {
437 /* IN */
438 uint32_t xen_cpuid;
439 /* OUT */
440 /* The maxium cpu_id that is present */
441 uint32_t max_present;
442 #define XEN_PCPU_FLAGS_ONLINE 1
443 /* Correponding xen_cpuid is not present*/
444 #define XEN_PCPU_FLAGS_INVALID 2
445 uint32_t flags;
446 uint32_t apic_id;
447 uint32_t acpi_id;
448 };
449 typedef struct xenpf_pcpuinfo xenpf_pcpuinfo_t;
450 DEFINE_XEN_GUEST_HANDLE(xenpf_pcpuinfo_t);
451
452 #define XENPF_get_cpu_version 48
453 struct xenpf_pcpu_version {
454 /* IN */
455 uint32_t xen_cpuid;
456 /* OUT */
457 /* The maxium cpu_id that is present */
458 uint32_t max_present;
459 char vendor_id[12];
460 uint32_t family;
461 uint32_t model;
462 uint32_t stepping;
463 };
464 typedef struct xenpf_pcpu_version xenpf_pcpu_version_t;
465 DEFINE_XEN_GUEST_HANDLE(xenpf_pcpu_version_t);
466
467 #define XENPF_cpu_online 56
468 #define XENPF_cpu_offline 57
469 struct xenpf_cpu_ol
470 {
471 uint32_t cpuid;
472 };
473 typedef struct xenpf_cpu_ol xenpf_cpu_ol_t;
474 DEFINE_XEN_GUEST_HANDLE(xenpf_cpu_ol_t);
475
476 #define XENPF_cpu_hotadd 58
477 struct xenpf_cpu_hotadd
478 {
479 uint32_t apic_id;
480 uint32_t acpi_id;
481 uint32_t pxm;
482 };
483
484 #define XENPF_mem_hotadd 59
485 struct xenpf_mem_hotadd
486 {
487 uint64_t spfn;
488 uint64_t epfn;
489 uint32_t pxm;
490 uint32_t flags;
491 };
492
493 #define XENPF_core_parking 60
494
495 #define XEN_CORE_PARKING_SET 1
496 #define XEN_CORE_PARKING_GET 2
497 struct xenpf_core_parking {
498 /* IN variables */
499 uint32_t type;
500 /* IN variables: set cpu nums expected to be idled */
501 /* OUT variables: get cpu nums actually be idled */
502 uint32_t idle_nums;
503 };
504 typedef struct xenpf_core_parking xenpf_core_parking_t;
505 DEFINE_XEN_GUEST_HANDLE(xenpf_core_parking_t);
506
507 /*
508 * ` enum neg_errnoval
509 * ` HYPERVISOR_platform_op(const struct xen_platform_op*);
510 */
511 struct xen_platform_op {
512 uint32_t cmd;
513 uint32_t interface_version; /* XENPF_INTERFACE_VERSION */
514 union {
515 struct xenpf_settime settime;
516 struct xenpf_add_memtype add_memtype;
517 struct xenpf_del_memtype del_memtype;
518 struct xenpf_read_memtype read_memtype;
519 struct xenpf_microcode_update microcode;
520 struct xenpf_platform_quirk platform_quirk;
521 struct xenpf_efi_runtime_call efi_runtime_call;
522 struct xenpf_firmware_info firmware_info;
523 struct xenpf_enter_acpi_sleep enter_acpi_sleep;
524 struct xenpf_change_freq change_freq;
525 struct xenpf_getidletime getidletime;
526 struct xenpf_set_processor_pminfo set_pminfo;
527 struct xenpf_pcpuinfo pcpu_info;
528 struct xenpf_pcpu_version pcpu_version;
529 struct xenpf_cpu_ol cpu_ol;
530 struct xenpf_cpu_hotadd cpu_add;
531 struct xenpf_mem_hotadd mem_add;
532 struct xenpf_core_parking core_parking;
533 uint8_t pad[128];
534 } u;
535 };
536 typedef struct xen_platform_op xen_platform_op_t;
537 DEFINE_XEN_GUEST_HANDLE(xen_platform_op_t);
538
539 #endif /* __XEN_PUBLIC_PLATFORM_H__ */
540
541 /*
542 * Local variables:
543 * mode: C
544 * c-set-style: "BSD"
545 * c-basic-offset: 4
546 * tab-width: 4
547 * indent-tabs-mode: nil
548 * End:
549 */
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