sysctl.h revision 1.1.1.1.4.2
1 /****************************************************************************** 2 * sysctl.h 3 * 4 * System management operations. For use by node control stack. 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_SYSCTL_H__ 28 #define __XEN_PUBLIC_SYSCTL_H__ 29 30 #if !defined(__XEN__) && !defined(__XEN_TOOLS__) 31 #error "sysctl operations are intended for use by node control tools only" 32 #endif 33 34 #include "xen.h" 35 #include "domctl.h" 36 #include "physdev.h" 37 #include "tmem.h" 38 39 #define XEN_SYSCTL_INTERFACE_VERSION 0x00000011 40 41 /* 42 * Read console content from Xen buffer ring. 43 */ 44 /* XEN_SYSCTL_readconsole */ 45 struct xen_sysctl_readconsole { 46 /* IN: Non-zero -> clear after reading. */ 47 uint8_t clear; 48 /* IN: Non-zero -> start index specified by @index field. */ 49 uint8_t incremental; 50 uint8_t pad0, pad1; 51 /* 52 * IN: Start index for consuming from ring buffer (if @incremental); 53 * OUT: End index after consuming from ring buffer. 54 */ 55 uint32_t index; 56 /* IN: Virtual address to write console data. */ 57 XEN_GUEST_HANDLE_64(char) buffer; 58 /* IN: Size of buffer; OUT: Bytes written to buffer. */ 59 uint32_t count; 60 }; 61 62 /* Get trace buffers machine base address */ 63 /* XEN_SYSCTL_tbuf_op */ 64 struct xen_sysctl_tbuf_op { 65 /* IN variables */ 66 #define XEN_SYSCTL_TBUFOP_get_info 0 67 #define XEN_SYSCTL_TBUFOP_set_cpu_mask 1 68 #define XEN_SYSCTL_TBUFOP_set_evt_mask 2 69 #define XEN_SYSCTL_TBUFOP_set_size 3 70 #define XEN_SYSCTL_TBUFOP_enable 4 71 #define XEN_SYSCTL_TBUFOP_disable 5 72 uint32_t cmd; 73 /* IN/OUT variables */ 74 struct xenctl_bitmap cpu_mask; 75 uint32_t evt_mask; 76 /* OUT variables */ 77 uint64_aligned_t buffer_mfn; 78 uint32_t size; /* Also an IN variable! */ 79 }; 80 81 /* 82 * Get physical information about the host machine 83 */ 84 /* XEN_SYSCTL_physinfo */ 85 /* (x86) The platform supports HVM guests. */ 86 #define _XEN_SYSCTL_PHYSCAP_hvm 0 87 #define XEN_SYSCTL_PHYSCAP_hvm (1u<<_XEN_SYSCTL_PHYSCAP_hvm) 88 /* (x86) The platform supports HVM-guest direct access to I/O devices. */ 89 #define _XEN_SYSCTL_PHYSCAP_hvm_directio 1 90 #define XEN_SYSCTL_PHYSCAP_hvm_directio (1u<<_XEN_SYSCTL_PHYSCAP_hvm_directio) 91 struct xen_sysctl_physinfo { 92 uint32_t threads_per_core; 93 uint32_t cores_per_socket; 94 uint32_t nr_cpus; /* # CPUs currently online */ 95 uint32_t max_cpu_id; /* Largest possible CPU ID on this host */ 96 uint32_t nr_nodes; /* # nodes currently online */ 97 uint32_t max_node_id; /* Largest possible node ID on this host */ 98 uint32_t cpu_khz; 99 uint32_t capabilities;/* XEN_SYSCTL_PHYSCAP_??? */ 100 uint64_aligned_t total_pages; 101 uint64_aligned_t free_pages; 102 uint64_aligned_t scrub_pages; 103 uint64_aligned_t outstanding_pages; 104 uint64_aligned_t max_mfn; /* Largest possible MFN on this host */ 105 uint32_t hw_cap[8]; 106 }; 107 108 /* 109 * Get the ID of the current scheduler. 110 */ 111 /* XEN_SYSCTL_sched_id */ 112 struct xen_sysctl_sched_id { 113 /* OUT variable */ 114 uint32_t sched_id; 115 }; 116 117 /* Interface for controlling Xen software performance counters. */ 118 /* XEN_SYSCTL_perfc_op */ 119 /* Sub-operations: */ 120 #define XEN_SYSCTL_PERFCOP_reset 1 /* Reset all counters to zero. */ 121 #define XEN_SYSCTL_PERFCOP_query 2 /* Get perfctr information. */ 122 struct xen_sysctl_perfc_desc { 123 char name[80]; /* name of perf counter */ 124 uint32_t nr_vals; /* number of values for this counter */ 125 }; 126 typedef struct xen_sysctl_perfc_desc xen_sysctl_perfc_desc_t; 127 DEFINE_XEN_GUEST_HANDLE(xen_sysctl_perfc_desc_t); 128 typedef uint32_t xen_sysctl_perfc_val_t; 129 DEFINE_XEN_GUEST_HANDLE(xen_sysctl_perfc_val_t); 130 131 struct xen_sysctl_perfc_op { 132 /* IN variables. */ 133 uint32_t cmd; /* XEN_SYSCTL_PERFCOP_??? */ 134 /* OUT variables. */ 135 uint32_t nr_counters; /* number of counters description */ 136 uint32_t nr_vals; /* number of values */ 137 /* counter information (or NULL) */ 138 XEN_GUEST_HANDLE_64(xen_sysctl_perfc_desc_t) desc; 139 /* counter values (or NULL) */ 140 XEN_GUEST_HANDLE_64(xen_sysctl_perfc_val_t) val; 141 }; 142 143 /* XEN_SYSCTL_getdomaininfolist */ 144 struct xen_sysctl_getdomaininfolist { 145 /* IN variables. */ 146 domid_t first_domain; 147 uint32_t max_domains; 148 XEN_GUEST_HANDLE_64(xen_domctl_getdomaininfo_t) buffer; 149 /* OUT variables. */ 150 uint32_t num_domains; 151 }; 152 153 /* Inject debug keys into Xen. */ 154 /* XEN_SYSCTL_debug_keys */ 155 struct xen_sysctl_debug_keys { 156 /* IN variables. */ 157 XEN_GUEST_HANDLE_64(char) keys; 158 uint32_t nr_keys; 159 }; 160 161 /* Get physical CPU information. */ 162 /* XEN_SYSCTL_getcpuinfo */ 163 struct xen_sysctl_cpuinfo { 164 uint64_aligned_t idletime; 165 }; 166 typedef struct xen_sysctl_cpuinfo xen_sysctl_cpuinfo_t; 167 DEFINE_XEN_GUEST_HANDLE(xen_sysctl_cpuinfo_t); 168 struct xen_sysctl_getcpuinfo { 169 /* IN variables. */ 170 uint32_t max_cpus; 171 XEN_GUEST_HANDLE_64(xen_sysctl_cpuinfo_t) info; 172 /* OUT variables. */ 173 uint32_t nr_cpus; 174 }; 175 176 /* XEN_SYSCTL_availheap */ 177 struct xen_sysctl_availheap { 178 /* IN variables. */ 179 uint32_t min_bitwidth; /* Smallest address width (zero if don't care). */ 180 uint32_t max_bitwidth; /* Largest address width (zero if don't care). */ 181 int32_t node; /* NUMA node of interest (-1 for all nodes). */ 182 /* OUT variables. */ 183 uint64_aligned_t avail_bytes;/* Bytes available in the specified region. */ 184 }; 185 186 /* XEN_SYSCTL_get_pmstat */ 187 struct pm_px_val { 188 uint64_aligned_t freq; /* Px core frequency */ 189 uint64_aligned_t residency; /* Px residency time */ 190 uint64_aligned_t count; /* Px transition count */ 191 }; 192 typedef struct pm_px_val pm_px_val_t; 193 DEFINE_XEN_GUEST_HANDLE(pm_px_val_t); 194 195 struct pm_px_stat { 196 uint8_t total; /* total Px states */ 197 uint8_t usable; /* usable Px states */ 198 uint8_t last; /* last Px state */ 199 uint8_t cur; /* current Px state */ 200 XEN_GUEST_HANDLE_64(uint64) trans_pt; /* Px transition table */ 201 XEN_GUEST_HANDLE_64(pm_px_val_t) pt; 202 }; 203 204 struct pm_cx_stat { 205 uint32_t nr; /* entry nr in triggers & residencies, including C0 */ 206 uint32_t last; /* last Cx state */ 207 uint64_aligned_t idle_time; /* idle time from boot */ 208 XEN_GUEST_HANDLE_64(uint64) triggers; /* Cx trigger counts */ 209 XEN_GUEST_HANDLE_64(uint64) residencies; /* Cx residencies */ 210 uint32_t nr_pc; /* entry nr in pc[] */ 211 uint32_t nr_cc; /* entry nr in cc[] */ 212 /* 213 * These two arrays may (and generally will) have unused slots; slots not 214 * having a corresponding hardware register will not be written by the 215 * hypervisor. It is therefore up to the caller to put a suitable sentinel 216 * into all slots before invoking the function. 217 * Indexing is 1-biased (PC1/CC1 being at index 0). 218 */ 219 XEN_GUEST_HANDLE_64(uint64) pc; 220 XEN_GUEST_HANDLE_64(uint64) cc; 221 }; 222 223 struct xen_sysctl_get_pmstat { 224 #define PMSTAT_CATEGORY_MASK 0xf0 225 #define PMSTAT_PX 0x10 226 #define PMSTAT_CX 0x20 227 #define PMSTAT_get_max_px (PMSTAT_PX | 0x1) 228 #define PMSTAT_get_pxstat (PMSTAT_PX | 0x2) 229 #define PMSTAT_reset_pxstat (PMSTAT_PX | 0x3) 230 #define PMSTAT_get_max_cx (PMSTAT_CX | 0x1) 231 #define PMSTAT_get_cxstat (PMSTAT_CX | 0x2) 232 #define PMSTAT_reset_cxstat (PMSTAT_CX | 0x3) 233 uint32_t type; 234 uint32_t cpuid; 235 union { 236 struct pm_px_stat getpx; 237 struct pm_cx_stat getcx; 238 /* other struct for tx, etc */ 239 } u; 240 }; 241 242 /* XEN_SYSCTL_cpu_hotplug */ 243 struct xen_sysctl_cpu_hotplug { 244 /* IN variables */ 245 uint32_t cpu; /* Physical cpu. */ 246 #define XEN_SYSCTL_CPU_HOTPLUG_ONLINE 0 247 #define XEN_SYSCTL_CPU_HOTPLUG_OFFLINE 1 248 uint32_t op; /* hotplug opcode */ 249 }; 250 251 /* 252 * Get/set xen power management, include 253 * 1. cpufreq governors and related parameters 254 */ 255 /* XEN_SYSCTL_pm_op */ 256 struct xen_userspace { 257 uint32_t scaling_setspeed; 258 }; 259 260 struct xen_ondemand { 261 uint32_t sampling_rate_max; 262 uint32_t sampling_rate_min; 263 264 uint32_t sampling_rate; 265 uint32_t up_threshold; 266 }; 267 268 /* 269 * cpufreq para name of this structure named 270 * same as sysfs file name of native linux 271 */ 272 #define CPUFREQ_NAME_LEN 16 273 struct xen_get_cpufreq_para { 274 /* IN/OUT variable */ 275 uint32_t cpu_num; 276 uint32_t freq_num; 277 uint32_t gov_num; 278 279 /* for all governors */ 280 /* OUT variable */ 281 XEN_GUEST_HANDLE_64(uint32) affected_cpus; 282 XEN_GUEST_HANDLE_64(uint32) scaling_available_frequencies; 283 XEN_GUEST_HANDLE_64(char) scaling_available_governors; 284 char scaling_driver[CPUFREQ_NAME_LEN]; 285 286 uint32_t cpuinfo_cur_freq; 287 uint32_t cpuinfo_max_freq; 288 uint32_t cpuinfo_min_freq; 289 uint32_t scaling_cur_freq; 290 291 char scaling_governor[CPUFREQ_NAME_LEN]; 292 uint32_t scaling_max_freq; 293 uint32_t scaling_min_freq; 294 295 /* for specific governor */ 296 union { 297 struct xen_userspace userspace; 298 struct xen_ondemand ondemand; 299 } u; 300 301 int32_t turbo_enabled; 302 }; 303 304 struct xen_set_cpufreq_gov { 305 char scaling_governor[CPUFREQ_NAME_LEN]; 306 }; 307 308 struct xen_set_cpufreq_para { 309 #define SCALING_MAX_FREQ 1 310 #define SCALING_MIN_FREQ 2 311 #define SCALING_SETSPEED 3 312 #define SAMPLING_RATE 4 313 #define UP_THRESHOLD 5 314 315 uint32_t ctrl_type; 316 uint32_t ctrl_value; 317 }; 318 319 struct xen_sysctl_pm_op { 320 #define PM_PARA_CATEGORY_MASK 0xf0 321 #define CPUFREQ_PARA 0x10 322 323 /* cpufreq command type */ 324 #define GET_CPUFREQ_PARA (CPUFREQ_PARA | 0x01) 325 #define SET_CPUFREQ_GOV (CPUFREQ_PARA | 0x02) 326 #define SET_CPUFREQ_PARA (CPUFREQ_PARA | 0x03) 327 #define GET_CPUFREQ_AVGFREQ (CPUFREQ_PARA | 0x04) 328 329 /* set/reset scheduler power saving option */ 330 #define XEN_SYSCTL_pm_op_set_sched_opt_smt 0x21 331 332 /* cpuidle max_cstate access command */ 333 #define XEN_SYSCTL_pm_op_get_max_cstate 0x22 334 #define XEN_SYSCTL_pm_op_set_max_cstate 0x23 335 336 /* set scheduler migration cost value */ 337 #define XEN_SYSCTL_pm_op_set_vcpu_migration_delay 0x24 338 #define XEN_SYSCTL_pm_op_get_vcpu_migration_delay 0x25 339 340 /* enable/disable turbo mode when in dbs governor */ 341 #define XEN_SYSCTL_pm_op_enable_turbo 0x26 342 #define XEN_SYSCTL_pm_op_disable_turbo 0x27 343 344 uint32_t cmd; 345 uint32_t cpuid; 346 union { 347 struct xen_get_cpufreq_para get_para; 348 struct xen_set_cpufreq_gov set_gov; 349 struct xen_set_cpufreq_para set_para; 350 uint64_aligned_t get_avgfreq; 351 uint32_t set_sched_opt_smt; 352 uint32_t get_max_cstate; 353 uint32_t set_max_cstate; 354 } u; 355 }; 356 357 /* XEN_SYSCTL_page_offline_op */ 358 struct xen_sysctl_page_offline_op { 359 /* IN: range of page to be offlined */ 360 #define sysctl_page_offline 1 361 #define sysctl_page_online 2 362 #define sysctl_query_page_offline 3 363 uint32_t cmd; 364 uint32_t start; 365 uint32_t end; 366 /* OUT: result of page offline request */ 367 /* 368 * bit 0~15: result flags 369 * bit 16~31: owner 370 */ 371 XEN_GUEST_HANDLE(uint32) status; 372 }; 373 374 #define PG_OFFLINE_STATUS_MASK (0xFFUL) 375 376 /* The result is invalid, i.e. HV does not handle it */ 377 #define PG_OFFLINE_INVALID (0x1UL << 0) 378 379 #define PG_OFFLINE_OFFLINED (0x1UL << 1) 380 #define PG_OFFLINE_PENDING (0x1UL << 2) 381 #define PG_OFFLINE_FAILED (0x1UL << 3) 382 #define PG_OFFLINE_AGAIN (0x1UL << 4) 383 384 #define PG_ONLINE_FAILED PG_OFFLINE_FAILED 385 #define PG_ONLINE_ONLINED PG_OFFLINE_OFFLINED 386 387 #define PG_OFFLINE_STATUS_OFFLINED (0x1UL << 1) 388 #define PG_OFFLINE_STATUS_ONLINE (0x1UL << 2) 389 #define PG_OFFLINE_STATUS_OFFLINE_PENDING (0x1UL << 3) 390 #define PG_OFFLINE_STATUS_BROKEN (0x1UL << 4) 391 392 #define PG_OFFLINE_MISC_MASK (0xFFUL << 4) 393 394 /* valid when PG_OFFLINE_FAILED or PG_OFFLINE_PENDING */ 395 #define PG_OFFLINE_XENPAGE (0x1UL << 8) 396 #define PG_OFFLINE_DOM0PAGE (0x1UL << 9) 397 #define PG_OFFLINE_ANONYMOUS (0x1UL << 10) 398 #define PG_OFFLINE_NOT_CONV_RAM (0x1UL << 11) 399 #define PG_OFFLINE_OWNED (0x1UL << 12) 400 401 #define PG_OFFLINE_BROKEN (0x1UL << 13) 402 #define PG_ONLINE_BROKEN PG_OFFLINE_BROKEN 403 404 #define PG_OFFLINE_OWNER_SHIFT 16 405 406 /* XEN_SYSCTL_lockprof_op */ 407 /* Sub-operations: */ 408 #define XEN_SYSCTL_LOCKPROF_reset 1 /* Reset all profile data to zero. */ 409 #define XEN_SYSCTL_LOCKPROF_query 2 /* Get lock profile information. */ 410 /* Record-type: */ 411 #define LOCKPROF_TYPE_GLOBAL 0 /* global lock, idx meaningless */ 412 #define LOCKPROF_TYPE_PERDOM 1 /* per-domain lock, idx is domid */ 413 #define LOCKPROF_TYPE_N 2 /* number of types */ 414 struct xen_sysctl_lockprof_data { 415 char name[40]; /* lock name (may include up to 2 %d specifiers) */ 416 int32_t type; /* LOCKPROF_TYPE_??? */ 417 int32_t idx; /* index (e.g. domain id) */ 418 uint64_aligned_t lock_cnt; /* # of locking succeeded */ 419 uint64_aligned_t block_cnt; /* # of wait for lock */ 420 uint64_aligned_t lock_time; /* nsecs lock held */ 421 uint64_aligned_t block_time; /* nsecs waited for lock */ 422 }; 423 typedef struct xen_sysctl_lockprof_data xen_sysctl_lockprof_data_t; 424 DEFINE_XEN_GUEST_HANDLE(xen_sysctl_lockprof_data_t); 425 struct xen_sysctl_lockprof_op { 426 /* IN variables. */ 427 uint32_t cmd; /* XEN_SYSCTL_LOCKPROF_??? */ 428 uint32_t max_elem; /* size of output buffer */ 429 /* OUT variables (query only). */ 430 uint32_t nr_elem; /* number of elements available */ 431 uint64_aligned_t time; /* nsecs of profile measurement */ 432 /* profile information (or NULL) */ 433 XEN_GUEST_HANDLE_64(xen_sysctl_lockprof_data_t) data; 434 }; 435 436 /* XEN_SYSCTL_cputopoinfo */ 437 #define XEN_INVALID_CORE_ID (~0U) 438 #define XEN_INVALID_SOCKET_ID (~0U) 439 #define XEN_INVALID_NODE_ID (~0U) 440 441 struct xen_sysctl_cputopo { 442 uint32_t core; 443 uint32_t socket; 444 uint32_t node; 445 }; 446 typedef struct xen_sysctl_cputopo xen_sysctl_cputopo_t; 447 DEFINE_XEN_GUEST_HANDLE(xen_sysctl_cputopo_t); 448 449 /* 450 * IN: 451 * - a NULL 'cputopo' handle is a request for maximun 'num_cpus'. 452 * - otherwise it's the number of entries in 'cputopo' 453 * 454 * OUT: 455 * - If 'num_cpus' is less than the number Xen wants to write but the handle 456 * handle is not a NULL one, partial data gets returned and 'num_cpus' gets 457 * updated to reflect the intended number. 458 * - Otherwise, 'num_cpus' shall indicate the number of entries written, which 459 * may be less than the input value. 460 */ 461 struct xen_sysctl_cputopoinfo { 462 uint32_t num_cpus; 463 XEN_GUEST_HANDLE_64(xen_sysctl_cputopo_t) cputopo; 464 }; 465 466 /* XEN_SYSCTL_numainfo */ 467 #define XEN_INVALID_MEM_SZ (~0U) 468 #define XEN_INVALID_NODE_DIST (~0U) 469 470 struct xen_sysctl_meminfo { 471 uint64_t memsize; 472 uint64_t memfree; 473 }; 474 typedef struct xen_sysctl_meminfo xen_sysctl_meminfo_t; 475 DEFINE_XEN_GUEST_HANDLE(xen_sysctl_meminfo_t); 476 477 /* 478 * IN: 479 * - Both 'meminfo' and 'distance' handles being null is a request 480 * for maximum value of 'num_nodes'. 481 * - Otherwise it's the number of entries in 'meminfo' and square root 482 * of number of entries in 'distance' (when corresponding handle is 483 * non-null) 484 * 485 * OUT: 486 * - If 'num_nodes' is less than the number Xen wants to write but either 487 * handle is not a NULL one, partial data gets returned and 'num_nodes' 488 * gets updated to reflect the intended number. 489 * - Otherwise, 'num_nodes' shall indicate the number of entries written, which 490 * may be less than the input value. 491 */ 492 493 struct xen_sysctl_numainfo { 494 uint32_t num_nodes; 495 496 XEN_GUEST_HANDLE_64(xen_sysctl_meminfo_t) meminfo; 497 498 /* 499 * Distance between nodes 'i' and 'j' is stored in index 'i*N + j', 500 * where N is the number of nodes that will be returned in 'num_nodes' 501 * (i.e. not 'num_nodes' provided by the caller) 502 */ 503 XEN_GUEST_HANDLE_64(uint32) distance; 504 }; 505 506 /* XEN_SYSCTL_cpupool_op */ 507 #define XEN_SYSCTL_CPUPOOL_OP_CREATE 1 /* C */ 508 #define XEN_SYSCTL_CPUPOOL_OP_DESTROY 2 /* D */ 509 #define XEN_SYSCTL_CPUPOOL_OP_INFO 3 /* I */ 510 #define XEN_SYSCTL_CPUPOOL_OP_ADDCPU 4 /* A */ 511 #define XEN_SYSCTL_CPUPOOL_OP_RMCPU 5 /* R */ 512 #define XEN_SYSCTL_CPUPOOL_OP_MOVEDOMAIN 6 /* M */ 513 #define XEN_SYSCTL_CPUPOOL_OP_FREEINFO 7 /* F */ 514 #define XEN_SYSCTL_CPUPOOL_PAR_ANY 0xFFFFFFFF 515 struct xen_sysctl_cpupool_op { 516 uint32_t op; /* IN */ 517 uint32_t cpupool_id; /* IN: CDIARM OUT: CI */ 518 uint32_t sched_id; /* IN: C OUT: I */ 519 uint32_t domid; /* IN: M */ 520 uint32_t cpu; /* IN: AR */ 521 uint32_t n_dom; /* OUT: I */ 522 struct xenctl_bitmap cpumap; /* OUT: IF */ 523 }; 524 525 /* 526 * Error return values of cpupool operations: 527 * 528 * -EADDRINUSE: 529 * XEN_SYSCTL_CPUPOOL_OP_RMCPU: A vcpu is temporarily pinned to the cpu 530 * which is to be removed from a cpupool. 531 * -EADDRNOTAVAIL: 532 * XEN_SYSCTL_CPUPOOL_OP_ADDCPU, XEN_SYSCTL_CPUPOOL_OP_RMCPU: A previous 533 * request to remove a cpu from a cpupool was terminated with -EAGAIN 534 * and has not been retried using the same parameters. 535 * -EAGAIN: 536 * XEN_SYSCTL_CPUPOOL_OP_RMCPU: The cpu can't be removed from the cpupool 537 * as it is active in the hypervisor. A retry will succeed soon. 538 * -EBUSY: 539 * XEN_SYSCTL_CPUPOOL_OP_DESTROY, XEN_SYSCTL_CPUPOOL_OP_RMCPU: A cpupool 540 * can't be destroyed or the last cpu can't be removed as there is still 541 * a running domain in that cpupool. 542 * -EEXIST: 543 * XEN_SYSCTL_CPUPOOL_OP_CREATE: A cpupool_id was specified and is already 544 * existing. 545 * -EINVAL: 546 * XEN_SYSCTL_CPUPOOL_OP_ADDCPU, XEN_SYSCTL_CPUPOOL_OP_RMCPU: An illegal 547 * cpu was specified (cpu does not exist). 548 * XEN_SYSCTL_CPUPOOL_OP_MOVEDOMAIN: An illegal domain was specified 549 * (domain id illegal or not suitable for operation). 550 * -ENODEV: 551 * XEN_SYSCTL_CPUPOOL_OP_ADDCPU, XEN_SYSCTL_CPUPOOL_OP_RMCPU: The specified 552 * cpu is either not free (add) or not member of the specified cpupool 553 * (remove). 554 * -ENOENT: 555 * all: The cpupool with the specified cpupool_id doesn't exist. 556 * 557 * Some common error return values like -ENOMEM and -EFAULT are possible for 558 * all the operations. 559 */ 560 561 #define ARINC653_MAX_DOMAINS_PER_SCHEDULE 64 562 /* 563 * This structure is used to pass a new ARINC653 schedule from a 564 * privileged domain (ie dom0) to Xen. 565 */ 566 struct xen_sysctl_arinc653_schedule { 567 /* major_frame holds the time for the new schedule's major frame 568 * in nanoseconds. */ 569 uint64_aligned_t major_frame; 570 /* num_sched_entries holds how many of the entries in the 571 * sched_entries[] array are valid. */ 572 uint8_t num_sched_entries; 573 /* The sched_entries array holds the actual schedule entries. */ 574 struct { 575 /* dom_handle must match a domain's UUID */ 576 xen_domain_handle_t dom_handle; 577 /* If a domain has multiple VCPUs, vcpu_id specifies which one 578 * this schedule entry applies to. It should be set to 0 if 579 * there is only one VCPU for the domain. */ 580 unsigned int vcpu_id; 581 /* runtime specifies the amount of time that should be allocated 582 * to this VCPU per major frame. It is specified in nanoseconds */ 583 uint64_aligned_t runtime; 584 } sched_entries[ARINC653_MAX_DOMAINS_PER_SCHEDULE]; 585 }; 586 typedef struct xen_sysctl_arinc653_schedule xen_sysctl_arinc653_schedule_t; 587 DEFINE_XEN_GUEST_HANDLE(xen_sysctl_arinc653_schedule_t); 588 589 /* 590 * Valid range for context switch rate limit (in microseconds). 591 * Applicable to Credit and Credit2 schedulers. 592 */ 593 #define XEN_SYSCTL_SCHED_RATELIMIT_MAX 500000 594 #define XEN_SYSCTL_SCHED_RATELIMIT_MIN 100 595 596 struct xen_sysctl_credit_schedule { 597 /* Length of timeslice in milliseconds */ 598 #define XEN_SYSCTL_CSCHED_TSLICE_MAX 1000 599 #define XEN_SYSCTL_CSCHED_TSLICE_MIN 1 600 unsigned tslice_ms; 601 unsigned ratelimit_us; 602 /* 603 * How long we consider a vCPU to be cache-hot on the 604 * CPU where it has run (max 100ms, in microseconds) 605 */ 606 #define XEN_SYSCTL_CSCHED_MGR_DLY_MAX_US (100 * 1000) 607 unsigned vcpu_migr_delay_us; 608 }; 609 610 struct xen_sysctl_credit2_schedule { 611 unsigned ratelimit_us; 612 }; 613 614 /* XEN_SYSCTL_scheduler_op */ 615 /* Set or get info? */ 616 #define XEN_SYSCTL_SCHEDOP_putinfo 0 617 #define XEN_SYSCTL_SCHEDOP_getinfo 1 618 struct xen_sysctl_scheduler_op { 619 uint32_t cpupool_id; /* Cpupool whose scheduler is to be targetted. */ 620 uint32_t sched_id; /* XEN_SCHEDULER_* (domctl.h) */ 621 uint32_t cmd; /* XEN_SYSCTL_SCHEDOP_* */ 622 union { 623 struct xen_sysctl_sched_arinc653 { 624 XEN_GUEST_HANDLE_64(xen_sysctl_arinc653_schedule_t) schedule; 625 } sched_arinc653; 626 struct xen_sysctl_credit_schedule sched_credit; 627 struct xen_sysctl_credit2_schedule sched_credit2; 628 } u; 629 }; 630 631 /* 632 * Output format of gcov data: 633 * 634 * XEN_GCOV_FORMAT_MAGIC XEN_GCOV_RECORD ... XEN_GCOV_RECORD 635 * 636 * That is, one magic number followed by 0 or more record. 637 * 638 * The magic number is stored as an uint32_t field. 639 * 640 * The record is packed and variable in length. It has the form: 641 * 642 * filename: a NULL terminated path name extracted from gcov, used to 643 * create the name of gcda file. 644 * size: a uint32_t field indicating the size of the payload, the 645 * unit is byte. 646 * payload: the actual payload, length is `size' bytes. 647 * 648 * Userspace tool will split the record to different files. 649 */ 650 651 #define XEN_GCOV_FORMAT_MAGIC 0x58434f56 /* XCOV */ 652 653 /* 654 * Ouput format of LLVM coverage data is just a raw stream, as would be 655 * written by the compiler_rt run time library into a .profraw file. There 656 * are no special Xen tags or delimiters because none are needed. 657 */ 658 659 #define XEN_SYSCTL_COVERAGE_get_size 0 /* Get total size of output data */ 660 #define XEN_SYSCTL_COVERAGE_read 1 /* Read output data */ 661 #define XEN_SYSCTL_COVERAGE_reset 2 /* Reset all counters */ 662 663 struct xen_sysctl_coverage_op { 664 uint32_t cmd; 665 uint32_t size; /* IN/OUT: size of the buffer */ 666 XEN_GUEST_HANDLE_64(char) buffer; /* OUT */ 667 }; 668 669 #define XEN_SYSCTL_PSR_CMT_get_total_rmid 0 670 #define XEN_SYSCTL_PSR_CMT_get_l3_upscaling_factor 1 671 /* The L3 cache size is returned in KB unit */ 672 #define XEN_SYSCTL_PSR_CMT_get_l3_cache_size 2 673 #define XEN_SYSCTL_PSR_CMT_enabled 3 674 #define XEN_SYSCTL_PSR_CMT_get_l3_event_mask 4 675 struct xen_sysctl_psr_cmt_op { 676 uint32_t cmd; /* IN: XEN_SYSCTL_PSR_CMT_* */ 677 uint32_t flags; /* padding variable, may be extended for future use */ 678 union { 679 uint64_t data; /* OUT */ 680 struct { 681 uint32_t cpu; /* IN */ 682 uint32_t rsvd; 683 } l3_cache; 684 } u; 685 }; 686 687 /* XEN_SYSCTL_pcitopoinfo */ 688 #define XEN_INVALID_DEV (XEN_INVALID_NODE_ID - 1) 689 struct xen_sysctl_pcitopoinfo { 690 /* 691 * IN: Number of elements in 'devs' and 'nodes' arrays. 692 * OUT: Number of processed elements of those arrays. 693 */ 694 uint32_t num_devs; 695 696 /* IN: list of devices for which node IDs are requested. */ 697 XEN_GUEST_HANDLE_64(physdev_pci_device_t) devs; 698 699 /* 700 * OUT: node identifier for each device. 701 * If information for a particular device is not available then 702 * corresponding entry will be set to XEN_INVALID_NODE_ID. If 703 * device is not known to the hypervisor then XEN_INVALID_DEV 704 * will be provided. 705 */ 706 XEN_GUEST_HANDLE_64(uint32) nodes; 707 }; 708 709 #define XEN_SYSCTL_PSR_get_l3_info 0 710 #define XEN_SYSCTL_PSR_get_l2_info 1 711 #define XEN_SYSCTL_PSR_get_mba_info 2 712 struct xen_sysctl_psr_alloc { 713 uint32_t cmd; /* IN: XEN_SYSCTL_PSR_* */ 714 uint32_t target; /* IN */ 715 union { 716 struct { 717 uint32_t cbm_len; /* OUT: CBM length */ 718 uint32_t cos_max; /* OUT: Maximum COS */ 719 #define XEN_SYSCTL_PSR_CAT_L3_CDP (1u << 0) 720 uint32_t flags; /* OUT: CAT flags */ 721 } cat_info; 722 723 struct { 724 uint32_t thrtl_max; /* OUT: Maximum throttle */ 725 uint32_t cos_max; /* OUT: Maximum COS */ 726 #define XEN_SYSCTL_PSR_MBA_LINEAR (1u << 0) 727 uint32_t flags; /* OUT: MBA flags */ 728 } mba_info; 729 } u; 730 }; 731 732 #define XEN_SYSCTL_TMEM_OP_ALL_CLIENTS 0xFFFFU 733 734 #define XEN_SYSCTL_TMEM_OP_THAW 0 735 #define XEN_SYSCTL_TMEM_OP_FREEZE 1 736 #define XEN_SYSCTL_TMEM_OP_FLUSH 2 737 #define XEN_SYSCTL_TMEM_OP_DESTROY 3 738 #define XEN_SYSCTL_TMEM_OP_LIST 4 739 #define XEN_SYSCTL_TMEM_OP_GET_CLIENT_INFO 5 740 #define XEN_SYSCTL_TMEM_OP_SET_CLIENT_INFO 6 741 #define XEN_SYSCTL_TMEM_OP_GET_POOLS 7 742 #define XEN_SYSCTL_TMEM_OP_QUERY_FREEABLE_MB 8 743 #define XEN_SYSCTL_TMEM_OP_SET_POOLS 9 744 #define XEN_SYSCTL_TMEM_OP_SAVE_BEGIN 10 745 #define XEN_SYSCTL_TMEM_OP_SET_AUTH 11 746 #define XEN_SYSCTL_TMEM_OP_SAVE_GET_NEXT_PAGE 19 747 #define XEN_SYSCTL_TMEM_OP_SAVE_GET_NEXT_INV 20 748 #define XEN_SYSCTL_TMEM_OP_SAVE_END 21 749 #define XEN_SYSCTL_TMEM_OP_RESTORE_BEGIN 30 750 #define XEN_SYSCTL_TMEM_OP_RESTORE_PUT_PAGE 32 751 #define XEN_SYSCTL_TMEM_OP_RESTORE_FLUSH_PAGE 33 752 753 /* 754 * XEN_SYSCTL_TMEM_OP_SAVE_GET_NEXT_[PAGE|INV] override the 'buf' in 755 * xen_sysctl_tmem_op with this structure - sometimes with an extra 756 * page tackled on. 757 */ 758 struct tmem_handle { 759 uint32_t pool_id; 760 uint32_t index; 761 xen_tmem_oid_t oid; 762 }; 763 764 /* 765 * XEN_SYSCTL_TMEM_OP_[GET,SAVE]_CLIENT uses the 'client' in 766 * xen_tmem_op with this structure, which is mostly used during migration. 767 */ 768 struct xen_tmem_client { 769 uint32_t version; /* If mismatched we will get XEN_EOPNOTSUPP. */ 770 uint32_t maxpools; /* If greater than what hypervisor supports, will get 771 XEN_ERANGE. */ 772 uint32_t nr_pools; /* Current amount of pools. Ignored on SET*/ 773 union { /* See TMEM_CLIENT_[COMPRESS,FROZEN] */ 774 uint32_t raw; 775 struct { 776 uint8_t frozen:1, 777 compress:1, 778 migrating:1; 779 } u; 780 } flags; 781 uint32_t weight; 782 }; 783 typedef struct xen_tmem_client xen_tmem_client_t; 784 DEFINE_XEN_GUEST_HANDLE(xen_tmem_client_t); 785 786 /* 787 * XEN_SYSCTL_TMEM_OP_[GET|SET]_POOLS or XEN_SYSCTL_TMEM_OP_SET_AUTH 788 * uses the 'pool' array in * xen_sysctl_tmem_op with this structure. 789 * The XEN_SYSCTL_TMEM_OP_GET_POOLS hypercall will 790 * return the number of entries in 'pool' or a negative value 791 * if an error was encountered. 792 * The XEN_SYSCTL_TMEM_OP_SET_[AUTH|POOLS] will return the number of 793 * entries in 'pool' processed or a negative value if an error 794 * was encountered. 795 */ 796 struct xen_tmem_pool_info { 797 union { 798 uint32_t raw; 799 struct { 800 uint32_t persist:1, /* See TMEM_POOL_PERSIST. */ 801 shared:1, /* See TMEM_POOL_SHARED. */ 802 auth:1, /* See TMEM_POOL_AUTH. */ 803 rsv1:1, 804 pagebits:8, /* TMEM_POOL_PAGESIZE_[SHIFT,MASK]. */ 805 rsv2:12, 806 version:8; /* TMEM_POOL_VERSION_[SHIFT,MASK]. */ 807 } u; 808 } flags; 809 uint32_t id; /* Less than tmem_client.maxpools. */ 810 uint64_t n_pages; /* Zero on XEN_SYSCTL_TMEM_OP_SET_[AUTH|POOLS]. */ 811 uint64_aligned_t uuid[2]; 812 }; 813 typedef struct xen_tmem_pool_info xen_tmem_pool_info_t; 814 DEFINE_XEN_GUEST_HANDLE(xen_tmem_pool_info_t); 815 816 struct xen_sysctl_tmem_op { 817 uint32_t cmd; /* IN: XEN_SYSCTL_TMEM_OP_* . */ 818 int32_t pool_id; /* IN: 0 by default unless _SAVE_*, RESTORE_* .*/ 819 uint32_t cli_id; /* IN: client id, 0 for XEN_SYSCTL_TMEM_QUERY_FREEABLE_MB 820 for all others can be the domain id or 821 XEN_SYSCTL_TMEM_OP_ALL_CLIENTS for all. */ 822 uint32_t len; /* IN: length of 'buf'. If not applicable to use 0. */ 823 uint32_t arg; /* IN: If not applicable to command use 0. */ 824 uint32_t pad; /* Padding so structure is the same under 32 and 64. */ 825 xen_tmem_oid_t oid; /* IN: If not applicable to command use 0s. */ 826 union { 827 XEN_GUEST_HANDLE_64(char) buf; /* IN/OUT: Buffer to save/restore */ 828 XEN_GUEST_HANDLE_64(xen_tmem_client_t) client; /* IN/OUT for */ 829 /* XEN_SYSCTL_TMEM_OP_[GET,SAVE]_CLIENT. */ 830 XEN_GUEST_HANDLE_64(xen_tmem_pool_info_t) pool; /* OUT for */ 831 /* XEN_SYSCTL_TMEM_OP_GET_POOLS. Must have 'len' */ 832 /* of them. */ 833 } u; 834 }; 835 836 /* 837 * XEN_SYSCTL_get_cpu_levelling_caps (x86 specific) 838 * 839 * Return hardware capabilities concerning masking or faulting of the cpuid 840 * instruction for PV guests. 841 */ 842 struct xen_sysctl_cpu_levelling_caps { 843 #define XEN_SYSCTL_CPU_LEVELCAP_faulting (1ul << 0) /* CPUID faulting */ 844 #define XEN_SYSCTL_CPU_LEVELCAP_ecx (1ul << 1) /* 0x00000001.ecx */ 845 #define XEN_SYSCTL_CPU_LEVELCAP_edx (1ul << 2) /* 0x00000001.edx */ 846 #define XEN_SYSCTL_CPU_LEVELCAP_extd_ecx (1ul << 3) /* 0x80000001.ecx */ 847 #define XEN_SYSCTL_CPU_LEVELCAP_extd_edx (1ul << 4) /* 0x80000001.edx */ 848 #define XEN_SYSCTL_CPU_LEVELCAP_xsave_eax (1ul << 5) /* 0x0000000D:1.eax */ 849 #define XEN_SYSCTL_CPU_LEVELCAP_thermal_ecx (1ul << 6) /* 0x00000006.ecx */ 850 #define XEN_SYSCTL_CPU_LEVELCAP_l7s0_eax (1ul << 7) /* 0x00000007:0.eax */ 851 #define XEN_SYSCTL_CPU_LEVELCAP_l7s0_ebx (1ul << 8) /* 0x00000007:0.ebx */ 852 uint32_t caps; 853 }; 854 855 /* 856 * XEN_SYSCTL_get_cpu_featureset (x86 specific) 857 * 858 * Return information about featuresets available on this host. 859 * - Raw: The real cpuid values. 860 * - Host: The values Xen is using, (after command line overrides, etc). 861 * - PV: Maximum set of features which can be given to a PV guest. 862 * - HVM: Maximum set of features which can be given to a HVM guest. 863 */ 864 struct xen_sysctl_cpu_featureset { 865 #define XEN_SYSCTL_cpu_featureset_raw 0 866 #define XEN_SYSCTL_cpu_featureset_host 1 867 #define XEN_SYSCTL_cpu_featureset_pv 2 868 #define XEN_SYSCTL_cpu_featureset_hvm 3 869 uint32_t index; /* IN: Which featureset to query? */ 870 uint32_t nr_features; /* IN/OUT: Number of entries in/written to 871 * 'features', or the maximum number of features if 872 * the guest handle is NULL. NB. All featuresets 873 * come from the same numberspace, so have the same 874 * maximum length. */ 875 XEN_GUEST_HANDLE_64(uint32) features; /* OUT: */ 876 }; 877 878 /* 879 * XEN_SYSCTL_LIVEPATCH_op 880 * 881 * Refer to the docs/unstable/misc/livepatch.markdown 882 * for the design details of this hypercall. 883 * 884 * There are four sub-ops: 885 * XEN_SYSCTL_LIVEPATCH_UPLOAD (0) 886 * XEN_SYSCTL_LIVEPATCH_GET (1) 887 * XEN_SYSCTL_LIVEPATCH_LIST (2) 888 * XEN_SYSCTL_LIVEPATCH_ACTION (3) 889 * 890 * The normal sequence of sub-ops is to: 891 * 1) XEN_SYSCTL_LIVEPATCH_UPLOAD to upload the payload. If errors STOP. 892 * 2) XEN_SYSCTL_LIVEPATCH_GET to check the `->rc`. If -XEN_EAGAIN spin. 893 * If zero go to next step. 894 * 3) XEN_SYSCTL_LIVEPATCH_ACTION with LIVEPATCH_ACTION_APPLY to apply the patch. 895 * 4) XEN_SYSCTL_LIVEPATCH_GET to check the `->rc`. If in -XEN_EAGAIN spin. 896 * If zero exit with success. 897 */ 898 899 #define LIVEPATCH_PAYLOAD_VERSION 1 900 /* 901 * .livepatch.funcs structure layout defined in the `Payload format` 902 * section in the Live Patch design document. 903 * 904 * We guard this with __XEN__ as toolstacks SHOULD not use it. 905 */ 906 #ifdef __XEN__ 907 struct livepatch_func { 908 const char *name; /* Name of function to be patched. */ 909 void *new_addr; 910 void *old_addr; 911 uint32_t new_size; 912 uint32_t old_size; 913 uint8_t version; /* MUST be LIVEPATCH_PAYLOAD_VERSION. */ 914 uint8_t opaque[31]; 915 }; 916 typedef struct livepatch_func livepatch_func_t; 917 #endif 918 919 /* 920 * Structure describing an ELF payload. Uniquely identifies the 921 * payload. Should be human readable. 922 * Recommended length is upto XEN_LIVEPATCH_NAME_SIZE. 923 * Includes the NUL terminator. 924 */ 925 #define XEN_LIVEPATCH_NAME_SIZE 128 926 struct xen_livepatch_name { 927 XEN_GUEST_HANDLE_64(char) name; /* IN: pointer to name. */ 928 uint16_t size; /* IN: size of name. May be upto 929 XEN_LIVEPATCH_NAME_SIZE. */ 930 uint16_t pad[3]; /* IN: MUST be zero. */ 931 }; 932 933 /* 934 * Upload a payload to the hypervisor. The payload is verified 935 * against basic checks and if there are any issues the proper return code 936 * will be returned. The payload is not applied at this time - that is 937 * controlled by XEN_SYSCTL_LIVEPATCH_ACTION. 938 * 939 * The return value is zero if the payload was succesfully uploaded. 940 * Otherwise an EXX return value is provided. Duplicate `name` are not 941 * supported. 942 * 943 * The payload at this point is verified against basic checks. 944 * 945 * The `payload` is the ELF payload as mentioned in the `Payload format` 946 * section in the Live Patch design document. 947 */ 948 #define XEN_SYSCTL_LIVEPATCH_UPLOAD 0 949 struct xen_sysctl_livepatch_upload { 950 struct xen_livepatch_name name; /* IN, name of the patch. */ 951 uint64_t size; /* IN, size of the ELF file. */ 952 XEN_GUEST_HANDLE_64(uint8) payload; /* IN, the ELF file. */ 953 }; 954 955 /* 956 * Retrieve an status of an specific payload. 957 * 958 * Upon completion the `struct xen_livepatch_status` is updated. 959 * 960 * The return value is zero on success and XEN_EXX on failure. This operation 961 * is synchronous and does not require preemption. 962 */ 963 #define XEN_SYSCTL_LIVEPATCH_GET 1 964 965 struct xen_livepatch_status { 966 #define LIVEPATCH_STATE_CHECKED 1 967 #define LIVEPATCH_STATE_APPLIED 2 968 uint32_t state; /* OUT: LIVEPATCH_STATE_*. */ 969 int32_t rc; /* OUT: 0 if no error, otherwise -XEN_EXX. */ 970 }; 971 typedef struct xen_livepatch_status xen_livepatch_status_t; 972 DEFINE_XEN_GUEST_HANDLE(xen_livepatch_status_t); 973 974 struct xen_sysctl_livepatch_get { 975 struct xen_livepatch_name name; /* IN, name of the payload. */ 976 struct xen_livepatch_status status; /* IN/OUT, state of it. */ 977 }; 978 979 /* 980 * Retrieve an array of abbreviated status and names of payloads that are 981 * loaded in the hypervisor. 982 * 983 * If the hypercall returns an positive number, it is the number (up to `nr`) 984 * of the payloads returned, along with `nr` updated with the number of remaining 985 * payloads, `version` updated (it may be the same across hypercalls. If it 986 * varies the data is stale and further calls could fail). The `status`, 987 * `name`, and `len`' are updated at their designed index value (`idx`) with 988 * the returned value of data. 989 * 990 * If the hypercall returns E2BIG the `nr` is too big and should be 991 * lowered. The upper limit of `nr` is left to the implemention. 992 * 993 * Note that due to the asynchronous nature of hypercalls the domain might have 994 * added or removed the number of payloads making this information stale. It is 995 * the responsibility of the toolstack to use the `version` field to check 996 * between each invocation. if the version differs it should discard the stale 997 * data and start from scratch. It is OK for the toolstack to use the new 998 * `version` field. 999 */ 1000 #define XEN_SYSCTL_LIVEPATCH_LIST 2 1001 struct xen_sysctl_livepatch_list { 1002 uint32_t version; /* OUT: Hypervisor stamps value. 1003 If varies between calls, we are 1004 * getting stale data. */ 1005 uint32_t idx; /* IN: Index into hypervisor list. */ 1006 uint32_t nr; /* IN: How many status, name, and len 1007 should fill out. Can be zero to get 1008 amount of payloads and version. 1009 OUT: How many payloads left. */ 1010 uint32_t pad; /* IN: Must be zero. */ 1011 XEN_GUEST_HANDLE_64(xen_livepatch_status_t) status; /* OUT. Must have enough 1012 space allocate for nr of them. */ 1013 XEN_GUEST_HANDLE_64(char) name; /* OUT: Array of names. Each member 1014 MUST XEN_LIVEPATCH_NAME_SIZE in size. 1015 Must have nr of them. */ 1016 XEN_GUEST_HANDLE_64(uint32) len; /* OUT: Array of lengths of name's. 1017 Must have nr of them. */ 1018 }; 1019 1020 /* 1021 * Perform an operation on the payload structure referenced by the `name` field. 1022 * The operation request is asynchronous and the status should be retrieved 1023 * by using either XEN_SYSCTL_LIVEPATCH_GET or XEN_SYSCTL_LIVEPATCH_LIST hypercall. 1024 */ 1025 #define XEN_SYSCTL_LIVEPATCH_ACTION 3 1026 struct xen_sysctl_livepatch_action { 1027 struct xen_livepatch_name name; /* IN, name of the patch. */ 1028 #define LIVEPATCH_ACTION_UNLOAD 1 1029 #define LIVEPATCH_ACTION_REVERT 2 1030 #define LIVEPATCH_ACTION_APPLY 3 1031 #define LIVEPATCH_ACTION_REPLACE 4 1032 uint32_t cmd; /* IN: LIVEPATCH_ACTION_*. */ 1033 uint32_t timeout; /* IN: If zero then uses */ 1034 /* hypervisor default. */ 1035 /* Or upper bound of time (ns) */ 1036 /* for operation to take. */ 1037 }; 1038 1039 struct xen_sysctl_livepatch_op { 1040 uint32_t cmd; /* IN: XEN_SYSCTL_LIVEPATCH_*. */ 1041 uint32_t pad; /* IN: Always zero. */ 1042 union { 1043 struct xen_sysctl_livepatch_upload upload; 1044 struct xen_sysctl_livepatch_list list; 1045 struct xen_sysctl_livepatch_get get; 1046 struct xen_sysctl_livepatch_action action; 1047 } u; 1048 }; 1049 1050 /* 1051 * XEN_SYSCTL_set_parameter 1052 * 1053 * Change hypervisor parameters at runtime. 1054 * The input string is parsed similar to the boot parameters. 1055 * Parameters are a single string terminated by a NUL byte of max. size 1056 * characters. Multiple settings can be specified by separating them 1057 * with blanks. 1058 */ 1059 1060 struct xen_sysctl_set_parameter { 1061 XEN_GUEST_HANDLE_64(char) params; /* IN: pointer to parameters. */ 1062 uint16_t size; /* IN: size of parameters. */ 1063 uint16_t pad[3]; /* IN: MUST be zero. */ 1064 }; 1065 1066 struct xen_sysctl { 1067 uint32_t cmd; 1068 #define XEN_SYSCTL_readconsole 1 1069 #define XEN_SYSCTL_tbuf_op 2 1070 #define XEN_SYSCTL_physinfo 3 1071 #define XEN_SYSCTL_sched_id 4 1072 #define XEN_SYSCTL_perfc_op 5 1073 #define XEN_SYSCTL_getdomaininfolist 6 1074 #define XEN_SYSCTL_debug_keys 7 1075 #define XEN_SYSCTL_getcpuinfo 8 1076 #define XEN_SYSCTL_availheap 9 1077 #define XEN_SYSCTL_get_pmstat 10 1078 #define XEN_SYSCTL_cpu_hotplug 11 1079 #define XEN_SYSCTL_pm_op 12 1080 #define XEN_SYSCTL_page_offline_op 14 1081 #define XEN_SYSCTL_lockprof_op 15 1082 #define XEN_SYSCTL_cputopoinfo 16 1083 #define XEN_SYSCTL_numainfo 17 1084 #define XEN_SYSCTL_cpupool_op 18 1085 #define XEN_SYSCTL_scheduler_op 19 1086 #define XEN_SYSCTL_coverage_op 20 1087 #define XEN_SYSCTL_psr_cmt_op 21 1088 #define XEN_SYSCTL_pcitopoinfo 22 1089 #define XEN_SYSCTL_psr_alloc 23 1090 #define XEN_SYSCTL_tmem_op 24 1091 #define XEN_SYSCTL_get_cpu_levelling_caps 25 1092 #define XEN_SYSCTL_get_cpu_featureset 26 1093 #define XEN_SYSCTL_livepatch_op 27 1094 #define XEN_SYSCTL_set_parameter 28 1095 uint32_t interface_version; /* XEN_SYSCTL_INTERFACE_VERSION */ 1096 union { 1097 struct xen_sysctl_readconsole readconsole; 1098 struct xen_sysctl_tbuf_op tbuf_op; 1099 struct xen_sysctl_physinfo physinfo; 1100 struct xen_sysctl_cputopoinfo cputopoinfo; 1101 struct xen_sysctl_pcitopoinfo pcitopoinfo; 1102 struct xen_sysctl_numainfo numainfo; 1103 struct xen_sysctl_sched_id sched_id; 1104 struct xen_sysctl_perfc_op perfc_op; 1105 struct xen_sysctl_getdomaininfolist getdomaininfolist; 1106 struct xen_sysctl_debug_keys debug_keys; 1107 struct xen_sysctl_getcpuinfo getcpuinfo; 1108 struct xen_sysctl_availheap availheap; 1109 struct xen_sysctl_get_pmstat get_pmstat; 1110 struct xen_sysctl_cpu_hotplug cpu_hotplug; 1111 struct xen_sysctl_pm_op pm_op; 1112 struct xen_sysctl_page_offline_op page_offline; 1113 struct xen_sysctl_lockprof_op lockprof_op; 1114 struct xen_sysctl_cpupool_op cpupool_op; 1115 struct xen_sysctl_scheduler_op scheduler_op; 1116 struct xen_sysctl_coverage_op coverage_op; 1117 struct xen_sysctl_psr_cmt_op psr_cmt_op; 1118 struct xen_sysctl_psr_alloc psr_alloc; 1119 struct xen_sysctl_tmem_op tmem_op; 1120 struct xen_sysctl_cpu_levelling_caps cpu_levelling_caps; 1121 struct xen_sysctl_cpu_featureset cpu_featureset; 1122 struct xen_sysctl_livepatch_op livepatch; 1123 struct xen_sysctl_set_parameter set_parameter; 1124 uint8_t pad[128]; 1125 } u; 1126 }; 1127 typedef struct xen_sysctl xen_sysctl_t; 1128 DEFINE_XEN_GUEST_HANDLE(xen_sysctl_t); 1129 1130 #endif /* __XEN_PUBLIC_SYSCTL_H__ */ 1131 1132 /* 1133 * Local variables: 1134 * mode: C 1135 * c-file-style: "BSD" 1136 * c-basic-offset: 4 1137 * tab-width: 4 1138 * indent-tabs-mode: nil 1139 * End: 1140 */ 1141
Indexes created Wed Oct 15 16:09:53 GMT 2025