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/interface/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_settime32 17 39struct xenpf_settime32 { 40 /* IN variables. */ 41 uint32_t secs; 42 uint32_t nsecs; 43 uint64_t system_time; 44}; 45DEFINE_GUEST_HANDLE_STRUCT(xenpf_settime32_t); 46#define XENPF_settime64 62 47struct xenpf_settime64 { 48 /* IN variables. */ 49 uint64_t secs; 50 uint32_t nsecs; 51 uint32_t mbz; 52 uint64_t system_time; 53}; 54DEFINE_GUEST_HANDLE_STRUCT(xenpf_settime64_t); 55 56/* 57 * Request memory range (@mfn, @mfn+@nr_mfns-1) to have type @type. 58 * On x86, @type is an architecture-defined MTRR memory type. 59 * On success, returns the MTRR that was used (@reg) and a handle that can 60 * be passed to XENPF_DEL_MEMTYPE to accurately tear down the new setting. 61 * (x86-specific). 62 */ 63#define XENPF_add_memtype 31 64struct xenpf_add_memtype { 65 /* IN variables. */ 66 xen_pfn_t mfn; 67 uint64_t nr_mfns; 68 uint32_t type; 69 /* OUT variables. */ 70 uint32_t handle; 71 uint32_t reg; 72}; 73DEFINE_GUEST_HANDLE_STRUCT(xenpf_add_memtype_t); 74 75/* 76 * Tear down an existing memory-range type. If @handle is remembered then it 77 * should be passed in to accurately tear down the correct setting (in case 78 * of overlapping memory regions with differing types). If it is not known 79 * then @handle should be set to zero. In all cases @reg must be set. 80 * (x86-specific). 81 */ 82#define XENPF_del_memtype 32 83struct xenpf_del_memtype { 84 /* IN variables. */ 85 uint32_t handle; 86 uint32_t reg; 87}; 88DEFINE_GUEST_HANDLE_STRUCT(xenpf_del_memtype_t); 89 90/* Read current type of an MTRR (x86-specific). */ 91#define XENPF_read_memtype 33 92struct xenpf_read_memtype { 93 /* IN variables. */ 94 uint32_t reg; 95 /* OUT variables. */ 96 xen_pfn_t mfn; 97 uint64_t nr_mfns; 98 uint32_t type; 99}; 100DEFINE_GUEST_HANDLE_STRUCT(xenpf_read_memtype_t); 101 102#define XENPF_microcode_update 35 103struct xenpf_microcode_update { 104 /* IN variables. */ 105 GUEST_HANDLE(void) data; /* Pointer to microcode data */ 106 uint32_t length; /* Length of microcode data. */ 107}; 108DEFINE_GUEST_HANDLE_STRUCT(xenpf_microcode_update_t); 109 110#define XENPF_platform_quirk 39 111#define QUIRK_NOIRQBALANCING 1 /* Do not restrict IO-APIC RTE targets */ 112#define QUIRK_IOAPIC_BAD_REGSEL 2 /* IO-APIC REGSEL forgets its value */ 113#define QUIRK_IOAPIC_GOOD_REGSEL 3 /* IO-APIC REGSEL behaves properly */ 114struct xenpf_platform_quirk { 115 /* IN variables. */ 116 uint32_t quirk_id; 117}; 118DEFINE_GUEST_HANDLE_STRUCT(xenpf_platform_quirk_t); 119 120#define XENPF_efi_runtime_call 49 121#define XEN_EFI_get_time 1 122#define XEN_EFI_set_time 2 123#define XEN_EFI_get_wakeup_time 3 124#define XEN_EFI_set_wakeup_time 4 125#define XEN_EFI_get_next_high_monotonic_count 5 126#define XEN_EFI_get_variable 6 127#define XEN_EFI_set_variable 7 128#define XEN_EFI_get_next_variable_name 8 129#define XEN_EFI_query_variable_info 9 130#define XEN_EFI_query_capsule_capabilities 10 131#define XEN_EFI_update_capsule 11 132 133struct xenpf_efi_runtime_call { 134 uint32_t function; 135 /* 136 * This field is generally used for per sub-function flags (defined 137 * below), except for the XEN_EFI_get_next_high_monotonic_count case, 138 * where it holds the single returned value. 139 */ 140 uint32_t misc; 141 xen_ulong_t status; 142 union { 143#define XEN_EFI_GET_TIME_SET_CLEARS_NS 0x00000001 144 struct { 145 struct xenpf_efi_time { 146 uint16_t year; 147 uint8_t month; 148 uint8_t day; 149 uint8_t hour; 150 uint8_t min; 151 uint8_t sec; 152 uint32_t ns; 153 int16_t tz; 154 uint8_t daylight; 155 } time; 156 uint32_t resolution; 157 uint32_t accuracy; 158 } get_time; 159 160 struct xenpf_efi_time set_time; 161 162#define XEN_EFI_GET_WAKEUP_TIME_ENABLED 0x00000001 163#define XEN_EFI_GET_WAKEUP_TIME_PENDING 0x00000002 164 struct xenpf_efi_time get_wakeup_time; 165 166#define XEN_EFI_SET_WAKEUP_TIME_ENABLE 0x00000001 167#define XEN_EFI_SET_WAKEUP_TIME_ENABLE_ONLY 0x00000002 168 struct xenpf_efi_time set_wakeup_time; 169 170#define XEN_EFI_VARIABLE_NON_VOLATILE 0x00000001 171#define XEN_EFI_VARIABLE_BOOTSERVICE_ACCESS 0x00000002 172#define XEN_EFI_VARIABLE_RUNTIME_ACCESS 0x00000004 173 struct { 174 GUEST_HANDLE(void) name; /* UCS-2/UTF-16 string */ 175 xen_ulong_t size; 176 GUEST_HANDLE(void) data; 177 struct xenpf_efi_guid { 178 uint32_t data1; 179 uint16_t data2; 180 uint16_t data3; 181 uint8_t data4[8]; 182 } vendor_guid; 183 } get_variable, set_variable; 184 185 struct { 186 xen_ulong_t size; 187 GUEST_HANDLE(void) name; /* UCS-2/UTF-16 string */ 188 struct xenpf_efi_guid vendor_guid; 189 } get_next_variable_name; 190 191 struct { 192 uint32_t attr; 193 uint64_t max_store_size; 194 uint64_t remain_store_size; 195 uint64_t max_size; 196 } query_variable_info; 197 198 struct { 199 GUEST_HANDLE(void) capsule_header_array; 200 xen_ulong_t capsule_count; 201 uint64_t max_capsule_size; 202 uint32_t reset_type; 203 } query_capsule_capabilities; 204 205 struct { 206 GUEST_HANDLE(void) capsule_header_array; 207 xen_ulong_t capsule_count; 208 uint64_t sg_list; /* machine address */ 209 } update_capsule; 210 } u; 211}; 212DEFINE_GUEST_HANDLE_STRUCT(xenpf_efi_runtime_call); 213 214#define XEN_FW_EFI_VERSION 0 215#define XEN_FW_EFI_CONFIG_TABLE 1 216#define XEN_FW_EFI_VENDOR 2 217#define XEN_FW_EFI_MEM_INFO 3 218#define XEN_FW_EFI_RT_VERSION 4 219 220#define XENPF_firmware_info 50 221#define XEN_FW_DISK_INFO 1 /* from int 13 AH=08/41/48 */ 222#define XEN_FW_DISK_MBR_SIGNATURE 2 /* from MBR offset 0x1b8 */ 223#define XEN_FW_VBEDDC_INFO 3 /* from int 10 AX=4f15 */ 224#define XEN_FW_EFI_INFO 4 /* from EFI */ 225#define XEN_FW_KBD_SHIFT_FLAGS 5 /* Int16, Fn02: Get keyboard shift flags. */ 226 227struct xenpf_firmware_info { 228 /* IN variables. */ 229 uint32_t type; 230 uint32_t index; 231 /* OUT variables. */ 232 union { 233 struct { 234 /* Int13, Fn48: Check Extensions Present. */ 235 uint8_t device; /* %dl: bios device number */ 236 uint8_t version; /* %ah: major version */ 237 uint16_t interface_support; /* %cx: support bitmap */ 238 /* Int13, Fn08: Legacy Get Device Parameters. */ 239 uint16_t legacy_max_cylinder; /* %cl[7:6]:%ch: max cyl # */ 240 uint8_t legacy_max_head; /* %dh: max head # */ 241 uint8_t legacy_sectors_per_track; /* %cl[5:0]: max sector # */ 242 /* Int13, Fn41: Get Device Parameters (as filled into %ds:%esi). */ 243 /* NB. First uint16_t of buffer must be set to buffer size. */ 244 GUEST_HANDLE(void) edd_params; 245 } disk_info; /* XEN_FW_DISK_INFO */ 246 struct { 247 uint8_t device; /* bios device number */ 248 uint32_t mbr_signature; /* offset 0x1b8 in mbr */ 249 } disk_mbr_signature; /* XEN_FW_DISK_MBR_SIGNATURE */ 250 struct { 251 /* Int10, AX=4F15: Get EDID info. */ 252 uint8_t capabilities; 253 uint8_t edid_transfer_time; 254 /* must refer to 128-byte buffer */ 255 GUEST_HANDLE(uchar) edid; 256 } vbeddc_info; /* XEN_FW_VBEDDC_INFO */ 257 258 union xenpf_efi_info { 259 uint32_t version; 260 struct { 261 uint64_t addr; /* EFI_CONFIGURATION_TABLE */ 262 uint32_t nent; 263 } cfg; 264 struct { 265 uint32_t revision; 266 uint32_t bufsz; /* input, in bytes */ 267 GUEST_HANDLE(void) name; 268 /* UCS-2/UTF-16 string */ 269 } vendor; 270 struct { 271 uint64_t addr; 272 uint64_t size; 273 uint64_t attr; 274 uint32_t type; 275 } mem; 276 } efi_info; /* XEN_FW_EFI_INFO */ 277 278 uint8_t kbd_shift_flags; /* XEN_FW_KBD_SHIFT_FLAGS */ 279 } u; 280}; 281DEFINE_GUEST_HANDLE_STRUCT(xenpf_firmware_info_t); 282 283#define XENPF_enter_acpi_sleep 51 284struct xenpf_enter_acpi_sleep { 285 /* IN variables */ 286 uint16_t val_a; /* PM1a control / sleep type A. */ 287 uint16_t val_b; /* PM1b control / sleep type B. */ 288 uint32_t sleep_state; /* Which state to enter (Sn). */ 289#define XENPF_ACPI_SLEEP_EXTENDED 0x00000001 290 uint32_t flags; /* XENPF_ACPI_SLEEP_*. */ 291}; 292DEFINE_GUEST_HANDLE_STRUCT(xenpf_enter_acpi_sleep_t); 293 294#define XENPF_change_freq 52 295struct xenpf_change_freq { 296 /* IN variables */ 297 uint32_t flags; /* Must be zero. */ 298 uint32_t cpu; /* Physical cpu. */ 299 uint64_t freq; /* New frequency (Hz). */ 300}; 301DEFINE_GUEST_HANDLE_STRUCT(xenpf_change_freq_t); 302 303/* 304 * Get idle times (nanoseconds since boot) for physical CPUs specified in the 305 * @cpumap_bitmap with range [0..@cpumap_nr_cpus-1]. The @idletime array is 306 * indexed by CPU number; only entries with the corresponding @cpumap_bitmap 307 * bit set are written to. On return, @cpumap_bitmap is modified so that any 308 * non-existent CPUs are cleared. Such CPUs have their @idletime array entry 309 * cleared. 310 */ 311#define XENPF_getidletime 53 312struct xenpf_getidletime { 313 /* IN/OUT variables */ 314 /* IN: CPUs to interrogate; OUT: subset of IN which are present */ 315 GUEST_HANDLE(uchar) cpumap_bitmap; 316 /* IN variables */ 317 /* Size of cpumap bitmap. */ 318 uint32_t cpumap_nr_cpus; 319 /* Must be indexable for every cpu in cpumap_bitmap. */ 320 GUEST_HANDLE(uint64_t) idletime; 321 /* OUT variables */ 322 /* System time when the idletime snapshots were taken. */ 323 uint64_t now; 324}; 325DEFINE_GUEST_HANDLE_STRUCT(xenpf_getidletime_t); 326 327#define XENPF_set_processor_pminfo 54 328 329/* ability bits */ 330#define XEN_PROCESSOR_PM_CX 1 331#define XEN_PROCESSOR_PM_PX 2 332#define XEN_PROCESSOR_PM_TX 4 333 334/* cmd type */ 335#define XEN_PM_CX 0 336#define XEN_PM_PX 1 337#define XEN_PM_TX 2 338#define XEN_PM_PDC 3 339/* Px sub info type */ 340#define XEN_PX_PCT 1 341#define XEN_PX_PSS 2 342#define XEN_PX_PPC 4 343#define XEN_PX_PSD 8 344 345struct xen_power_register { 346 uint32_t space_id; 347 uint32_t bit_width; 348 uint32_t bit_offset; 349 uint32_t access_size; 350 uint64_t address; 351}; 352 353struct xen_processor_csd { 354 uint32_t domain; /* domain number of one dependent group */ 355 uint32_t coord_type; /* coordination type */ 356 uint32_t num; /* number of processors in same domain */ 357}; 358DEFINE_GUEST_HANDLE_STRUCT(xen_processor_csd); 359 360struct xen_processor_cx { 361 struct xen_power_register reg; /* GAS for Cx trigger register */ 362 uint8_t type; /* cstate value, c0: 0, c1: 1, ... */ 363 uint32_t latency; /* worst latency (ms) to enter/exit this cstate */ 364 uint32_t power; /* average power consumption(mW) */ 365 uint32_t dpcnt; /* number of dependency entries */ 366 GUEST_HANDLE(xen_processor_csd) dp; /* NULL if no dependency */ 367}; 368DEFINE_GUEST_HANDLE_STRUCT(xen_processor_cx); 369 370struct xen_processor_flags { 371 uint32_t bm_control:1; 372 uint32_t bm_check:1; 373 uint32_t has_cst:1; 374 uint32_t power_setup_done:1; 375 uint32_t bm_rld_set:1; 376}; 377 378struct xen_processor_power { 379 uint32_t count; /* number of C state entries in array below */ 380 struct xen_processor_flags flags; /* global flags of this processor */ 381 GUEST_HANDLE(xen_processor_cx) states; /* supported c states */ 382}; 383 384struct xen_pct_register { 385 uint8_t descriptor; 386 uint16_t length; 387 uint8_t space_id; 388 uint8_t bit_width; 389 uint8_t bit_offset; 390 uint8_t reserved; 391 uint64_t address; 392}; 393 394struct xen_processor_px { 395 uint64_t core_frequency; /* megahertz */ 396 uint64_t power; /* milliWatts */ 397 uint64_t transition_latency; /* microseconds */ 398 uint64_t bus_master_latency; /* microseconds */ 399 uint64_t control; /* control value */ 400 uint64_t status; /* success indicator */ 401}; 402DEFINE_GUEST_HANDLE_STRUCT(xen_processor_px); 403 404struct xen_psd_package { 405 uint64_t num_entries; 406 uint64_t revision; 407 uint64_t domain; 408 uint64_t coord_type; 409 uint64_t num_processors; 410}; 411 412struct xen_processor_performance { 413 uint32_t flags; /* flag for Px sub info type */ 414 uint32_t platform_limit; /* Platform limitation on freq usage */ 415 struct xen_pct_register control_register; 416 struct xen_pct_register status_register; 417 uint32_t state_count; /* total available performance states */ 418 GUEST_HANDLE(xen_processor_px) states; 419 struct xen_psd_package domain_info; 420 uint32_t shared_type; /* coordination type of this processor */ 421}; 422DEFINE_GUEST_HANDLE_STRUCT(xen_processor_performance); 423 424struct xenpf_set_processor_pminfo { 425 /* IN variables */ 426 uint32_t id; /* ACPI CPU ID */ 427 uint32_t type; /* {XEN_PM_CX, XEN_PM_PX} */ 428 union { 429 struct xen_processor_power power;/* Cx: _CST/_CSD */ 430 struct xen_processor_performance perf; /* Px: _PPC/_PCT/_PSS/_PSD */ 431 GUEST_HANDLE(uint32_t) pdc; 432 }; 433}; 434DEFINE_GUEST_HANDLE_STRUCT(xenpf_set_processor_pminfo); 435 436#define XENPF_get_cpuinfo 55 437struct xenpf_pcpuinfo { 438 /* IN */ 439 uint32_t xen_cpuid; 440 /* OUT */ 441 /* The maxium cpu_id that is present */ 442 uint32_t max_present; 443#define XEN_PCPU_FLAGS_ONLINE 1 444 /* Correponding xen_cpuid is not present*/ 445#define XEN_PCPU_FLAGS_INVALID 2 446 uint32_t flags; 447 uint32_t apic_id; 448 uint32_t acpi_id; 449}; 450DEFINE_GUEST_HANDLE_STRUCT(xenpf_pcpuinfo); 451 452#define XENPF_cpu_online 56 453#define XENPF_cpu_offline 57 454struct xenpf_cpu_ol { 455 uint32_t cpuid; 456}; 457DEFINE_GUEST_HANDLE_STRUCT(xenpf_cpu_ol); 458 459#define XENPF_cpu_hotadd 58 460struct xenpf_cpu_hotadd { 461 uint32_t apic_id; 462 uint32_t acpi_id; 463 uint32_t pxm; 464}; 465 466#define XENPF_mem_hotadd 59 467struct xenpf_mem_hotadd { 468 uint64_t spfn; 469 uint64_t epfn; 470 uint32_t pxm; 471 uint32_t flags; 472}; 473 474#define XENPF_core_parking 60 475struct xenpf_core_parking { 476 /* IN variables */ 477#define XEN_CORE_PARKING_SET 1 478#define XEN_CORE_PARKING_GET 2 479 uint32_t type; 480 /* IN variables: set cpu nums expected to be idled */ 481 /* OUT variables: get cpu nums actually be idled */ 482 uint32_t idle_nums; 483}; 484DEFINE_GUEST_HANDLE_STRUCT(xenpf_core_parking); 485 486#define XENPF_get_symbol 63 487struct xenpf_symdata { 488 /* IN/OUT variables */ 489 uint32_t namelen; /* size of 'name' buffer */ 490 491 /* IN/OUT variables */ 492 uint32_t symnum; /* IN: Symbol to read */ 493 /* OUT: Next available symbol. If same as IN */ 494 /* then we reached the end */ 495 496 /* OUT variables */ 497 GUEST_HANDLE(char) name; 498 uint64_t address; 499 char type; 500}; 501DEFINE_GUEST_HANDLE_STRUCT(xenpf_symdata); 502 503struct xen_platform_op { 504 uint32_t cmd; 505 uint32_t interface_version; /* XENPF_INTERFACE_VERSION */ 506 union { 507 struct xenpf_settime32 settime32; 508 struct xenpf_settime64 settime64; 509 struct xenpf_add_memtype add_memtype; 510 struct xenpf_del_memtype del_memtype; 511 struct xenpf_read_memtype read_memtype; 512 struct xenpf_microcode_update microcode; 513 struct xenpf_platform_quirk platform_quirk; 514 struct xenpf_efi_runtime_call efi_runtime_call; 515 struct xenpf_firmware_info firmware_info; 516 struct xenpf_enter_acpi_sleep enter_acpi_sleep; 517 struct xenpf_change_freq change_freq; 518 struct xenpf_getidletime getidletime; 519 struct xenpf_set_processor_pminfo set_pminfo; 520 struct xenpf_pcpuinfo pcpu_info; 521 struct xenpf_cpu_ol cpu_ol; 522 struct xenpf_cpu_hotadd cpu_add; 523 struct xenpf_mem_hotadd mem_add; 524 struct xenpf_core_parking core_parking; 525 struct xenpf_symdata symdata; 526 uint8_t pad[128]; 527 } u; 528}; 529DEFINE_GUEST_HANDLE_STRUCT(xen_platform_op_t); 530 531#endif /* __XEN_PUBLIC_PLATFORM_H__ */ 532