direct-io.hg

annotate tools/libxc/xenctrl.h @ 13516:dcb145f858e3

Add resumedomain domctl to resume a domain after checkpoint.
Export resumedomain domctl to libxc, xend.

Signed-off-by: Brendan Cully <brendan@cs.ubc.ca>
author kfraser@localhost.localdomain
date Fri Jan 19 15:23:41 2007 +0000 (2007-01-19)
parents 44668189f354
children 62e2e515febe
rev   line source
mjw@1623 1 /******************************************************************************
cl349@6388 2 * xenctrl.h
kaf24@9660 3 *
mjw@1623 4 * A library for low-level access to the Xen control interfaces.
kaf24@9660 5 *
kaf24@2787 6 * Copyright (c) 2003-2004, K A Fraser.
mjw@1623 7 */
mjw@1623 8
cl349@6389 9 #ifndef XENCTRL_H
cl349@6389 10 #define XENCTRL_H
mjw@1623 11
kaf24@11393 12 /* Tell the Xen public headers we are a user-space tools build. */
kaf24@11393 13 #ifndef __XEN_TOOLS__
kaf24@11393 14 #define __XEN_TOOLS__ 1
kaf24@11393 15 #endif
kaf24@11393 16
kaf24@9999 17 #include <stddef.h>
kaf24@3266 18 #include <stdint.h>
kaf24@2821 19 #include <xen/xen.h>
kfraser@11257 20 #include <xen/domctl.h>
kfraser@11257 21 #include <xen/sysctl.h>
vh249@6549 22 #include <xen/version.h>
kaf24@2821 23 #include <xen/event_channel.h>
kaf24@7196 24 #include <xen/sched.h>
smh22@7702 25 #include <xen/memory.h>
kaf24@5541 26 #include <xen/acm.h>
kaf24@9907 27 #include <xen/acm_ops.h>
kaf24@2787 28
kaf24@5914 29 #ifdef __ia64__
kaf24@5914 30 #define XC_PAGE_SHIFT 14
kaf24@5914 31 #else
kaf24@5914 32 #define XC_PAGE_SHIFT 12
kaf24@5914 33 #endif
kaf24@5914 34 #define XC_PAGE_SIZE (1UL << XC_PAGE_SHIFT)
kaf24@5914 35 #define XC_PAGE_MASK (~(XC_PAGE_SIZE-1))
kaf24@5914 36
kaf24@3961 37 /*
kaf24@3961 38 * DEFINITIONS FOR CPU BARRIERS
kaf24@9660 39 */
kaf24@3961 40
kaf24@3961 41 #if defined(__i386__)
kaf24@3966 42 #define mb() __asm__ __volatile__ ( "lock; addl $0,0(%%esp)" : : : "memory" )
kaf24@3966 43 #define rmb() __asm__ __volatile__ ( "lock; addl $0,0(%%esp)" : : : "memory" )
kaf24@3966 44 #define wmb() __asm__ __volatile__ ( "" : : : "memory")
kaf24@3961 45 #elif defined(__x86_64__)
kaf24@3966 46 #define mb() __asm__ __volatile__ ( "mfence" : : : "memory")
kaf24@3966 47 #define rmb() __asm__ __volatile__ ( "lfence" : : : "memory")
kaf24@3966 48 #define wmb() __asm__ __volatile__ ( "" : : : "memory")
kaf24@5914 49 #elif defined(__ia64__)
kfraser@12271 50 #define mb() __asm__ __volatile__ ("mf" ::: "memory")
kfraser@12271 51 #define rmb() __asm__ __volatile__ ("mf" ::: "memory")
kfraser@12271 52 #define wmb() __asm__ __volatile__ ("mf" ::: "memory")
kaf24@10687 53 #elif defined(__powerpc__)
kaf24@10687 54 /* XXX loosen these up later */
kaf24@10687 55 #define mb() __asm__ __volatile__ ("sync" : : : "memory")
kaf24@10687 56 #define rmb() __asm__ __volatile__ ("sync" : : : "memory") /* lwsync? */
kaf24@10687 57 #define wmb() __asm__ __volatile__ ("sync" : : : "memory") /* eieio? */
kaf24@3961 58 #else
kaf24@3961 59 #error "Define barriers"
kaf24@3961 60 #endif
kaf24@3961 61
kaf24@3961 62 /*
iap10@3443 63 * INITIALIZATION FUNCTIONS
kaf24@9660 64 */
iap10@3443 65
iap10@3443 66 /**
iap10@3443 67 * This function opens a handle to the hypervisor interface. This function can
iap10@3443 68 * be called multiple times within a single process. Multiple processes can
iap10@3443 69 * have an open hypervisor interface at the same time.
iap10@3443 70 *
iap10@3443 71 * Each call to this function should have a corresponding call to
iap10@3443 72 * xc_interface_close().
iap10@3443 73 *
iap10@3443 74 * This function can fail if the caller does not have superuser permission or
iap10@3443 75 * if a Xen-enabled kernel is not currently running.
iap10@3443 76 *
iap10@3443 77 * @return a handle to the hypervisor interface or -1 on failure
iap10@3443 78 */
mjw@1623 79 int xc_interface_open(void);
iap10@3443 80
iap10@3443 81 /**
iap10@3443 82 * This function closes an open hypervisor interface.
iap10@3443 83 *
iap10@3443 84 * This function can fail if the handle does not represent an open interface or
iap10@3443 85 * if there were problems closing the interface.
iap10@3443 86 *
iap10@3443 87 * @parm xc_handle a handle to an open hypervisor interface
iap10@3443 88 * @return 0 on success, -1 otherwise.
iap10@3443 89 */
mjw@1623 90 int xc_interface_close(int xc_handle);
mjw@1623 91
kaf24@3961 92 /*
kfraser@11672 93 * KERNEL INTERFACES
kfraser@11672 94 */
kfraser@11672 95
kfraser@11672 96 /*
kfraser@11672 97 * Resolve a kernel device name (e.g., "evtchn", "blktap0") into a kernel
kfraser@11672 98 * device number. Returns -1 on error (and sets errno).
kfraser@11672 99 */
kfraser@11672 100 int xc_find_device_number(const char *name);
kfraser@11672 101
kfraser@11672 102 /*
kaf24@4719 103 * DOMAIN DEBUGGING FUNCTIONS
kaf24@4719 104 */
kaf24@4719 105
kaf24@4719 106 typedef struct xc_core_header {
kaf24@4719 107 unsigned int xch_magic;
kaf24@4719 108 unsigned int xch_nr_vcpus;
kaf24@4719 109 unsigned int xch_nr_pages;
kaf24@4719 110 unsigned int xch_ctxt_offset;
kaf24@4719 111 unsigned int xch_index_offset;
kaf24@4719 112 unsigned int xch_pages_offset;
kaf24@4719 113 } xc_core_header_t;
kaf24@4719 114
kfraser@12224 115 #define XC_CORE_MAGIC 0xF00FEBED
kfraser@12224 116 #define XC_CORE_MAGIC_HVM 0xF00FEBEE
kaf24@4719 117
kfraser@11791 118 #ifdef __linux__
kfraser@11791 119
kfraser@11791 120 #include <sys/ptrace.h>
kfraser@11791 121 #include <thread_db.h>
kfraser@11791 122
kfraser@11774 123 typedef void (*thr_ev_handler_t)(long);
kfraser@11774 124
kfraser@11774 125 void xc_register_event_handler(
kfraser@11774 126 thr_ev_handler_t h,
kfraser@11774 127 td_event_e e);
kfraser@11774 128
kfraser@11774 129 long xc_ptrace(
kfraser@11774 130 int xc_handle,
kfraser@11774 131 enum __ptrace_request request,
kfraser@11774 132 uint32_t domid,
kfraser@11774 133 long addr,
kfraser@11774 134 long data);
kfraser@11774 135
kfraser@11774 136 int xc_waitdomain(
kfraser@11774 137 int xc_handle,
kfraser@11774 138 int domain,
kfraser@11774 139 int *status,
kfraser@11774 140 int options);
kfraser@11774 141
kfraser@11774 142 #endif /* __linux__ */
kaf24@4719 143
kaf24@4719 144 /*
iap10@3443 145 * DOMAIN MANAGEMENT FUNCTIONS
kaf24@3961 146 */
iap10@3443 147
kfraser@12224 148 typedef struct xc_dominfo {
kaf24@7378 149 uint32_t domid;
kaf24@7378 150 uint32_t ssidref;
kaf24@9660 151 unsigned int dying:1, crashed:1, shutdown:1,
kfraser@12224 152 paused:1, blocked:1, running:1,
kfraser@12224 153 hvm:1;
mjw@1623 154 unsigned int shutdown_reason; /* only meaningful if shutdown==1 */
mjw@1623 155 unsigned long nr_pages;
mjw@1623 156 unsigned long shared_info_frame;
kaf24@7378 157 uint64_t cpu_time;
mjw@1623 158 unsigned long max_memkb;
kaf24@7397 159 unsigned int nr_online_vcpus;
kaf24@7397 160 unsigned int max_vcpu_id;
kaf24@7378 161 xen_domain_handle_t handle;
mjw@1623 162 } xc_dominfo_t;
mjw@1623 163
kfraser@11257 164 typedef xen_domctl_getdomaininfo_t xc_domaininfo_t;
kaf24@9660 165 int xc_domain_create(int xc_handle,
kaf24@7339 166 uint32_t ssidref,
kaf24@7378 167 xen_domain_handle_t handle,
kfraser@12196 168 uint32_t flags,
kaf24@7339 169 uint32_t *pdomid);
iap10@3443 170
kaf24@4719 171
kaf24@9221 172 /* Functions to produce a dump of a given domain
kaf24@9221 173 * xc_domain_dumpcore - produces a dump to a specified file
kaf24@9221 174 * xc_domain_dumpcore_via_callback - produces a dump, using a specified
kaf24@9221 175 * callback function
kaf24@9221 176 */
kaf24@9660 177 int xc_domain_dumpcore(int xc_handle,
kaf24@7339 178 uint32_t domid,
cl349@4853 179 const char *corename);
kaf24@4719 180
kaf24@9221 181 /* Define the callback function type for xc_domain_dumpcore_via_callback.
kaf24@9221 182 *
kaf24@9221 183 * This function is called by the coredump code for every "write",
kaf24@9221 184 * and passes an opaque object for the use of the function and
kaf24@9221 185 * created by the caller of xc_domain_dumpcore_via_callback.
kaf24@9221 186 */
kaf24@9221 187 typedef int (dumpcore_rtn_t)(void *arg, char *buffer, unsigned int length);
kaf24@9221 188
kaf24@9660 189 int xc_domain_dumpcore_via_callback(int xc_handle,
kaf24@9221 190 uint32_t domid,
kaf24@9221 191 void *arg,
kaf24@9221 192 dumpcore_rtn_t dump_rtn);
kaf24@9221 193
kaf24@7354 194 /*
kaf24@7566 195 * This function sets the maximum number of vcpus that a domain may create.
kaf24@7354 196 *
kaf24@7354 197 * @parm xc_handle a handle to an open hypervisor interface.
kaf24@7354 198 * @parm domid the domain id in which vcpus are to be created.
kaf24@7354 199 * @parm max the maximum number of vcpus that the domain may create.
kaf24@7354 200 * @return 0 on success, -1 on failure.
kaf24@7354 201 */
kaf24@7354 202 int xc_domain_max_vcpus(int xc_handle,
kaf24@9660 203 uint32_t domid,
kaf24@7354 204 unsigned int max);
kaf24@4719 205
iap10@3443 206 /**
iap10@3443 207 * This function pauses a domain. A paused domain still exists in memory
iap10@3443 208 * however it does not receive any timeslices from the hypervisor.
iap10@3443 209 *
iap10@3443 210 * @parm xc_handle a handle to an open hypervisor interface
iap10@3443 211 * @parm domid the domain id to pause
iap10@3443 212 * @return 0 on success, -1 on failure.
iap10@3443 213 */
kaf24@9660 214 int xc_domain_pause(int xc_handle,
kaf24@7339 215 uint32_t domid);
iap10@3443 216 /**
iap10@3443 217 * This function unpauses a domain. The domain should have been previously
iap10@3443 218 * paused.
iap10@3443 219 *
iap10@3443 220 * @parm xc_handle a handle to an open hypervisor interface
iap10@3443 221 * @parm domid the domain id to unpause
iap10@3443 222 * return 0 on success, -1 on failure
iap10@3443 223 */
kaf24@9660 224 int xc_domain_unpause(int xc_handle,
kaf24@7339 225 uint32_t domid);
iap10@3443 226
iap10@3443 227 /**
iap10@3443 228 * This function will destroy a domain. Destroying a domain removes the domain
iap10@3443 229 * completely from memory. This function should be called after sending the
iap10@3443 230 * domain a SHUTDOWN control message to free up the domain resources.
iap10@3443 231 *
iap10@3443 232 * @parm xc_handle a handle to an open hypervisor interface
iap10@3443 233 * @parm domid the domain id to destroy
iap10@3443 234 * @return 0 on success, -1 on failure
iap10@3443 235 */
kaf24@9660 236 int xc_domain_destroy(int xc_handle,
kaf24@7339 237 uint32_t domid);
kaf24@8500 238
kfraser@13516 239
kfraser@13516 240 /**
kfraser@13516 241 * This function resumes a suspended domain. The domain should have
kfraser@13516 242 * been previously suspended.
kfraser@13516 243 *
kfraser@13516 244 * @parm xc_handle a handle to an open hypervisor interface
kfraser@13516 245 * @parm domid the domain id to resume
kfraser@13516 246 * return 0 on success, -1 on failure
kfraser@13516 247 */
kfraser@13516 248 int xc_domain_resume(int xc_handle,
kfraser@13516 249 uint32_t domid);
kfraser@13516 250
kaf24@9560 251 /**
kaf24@9560 252 * This function will shutdown a domain. This is intended for use in
kaf24@9560 253 * fully-virtualized domains where this operation is analogous to the
kaf24@9560 254 * sched_op operations in a paravirtualized domain. The caller is
kaf24@9560 255 * expected to give the reason for the shutdown.
kaf24@9560 256 *
kaf24@9560 257 * @parm xc_handle a handle to an open hypervisor interface
kaf24@9560 258 * @parm domid the domain id to destroy
kaf24@9560 259 * @parm reason is the reason (SHUTDOWN_xxx) for the shutdown
kaf24@9560 260 * @return 0 on success, -1 on failure
kaf24@9560 261 */
kaf24@9660 262 int xc_domain_shutdown(int xc_handle,
kaf24@9560 263 uint32_t domid,
kaf24@9560 264 int reason);
kaf24@9560 265
kaf24@8500 266 int xc_vcpu_setaffinity(int xc_handle,
kaf24@8500 267 uint32_t domid,
kaf24@8500 268 int vcpu,
kfraser@11257 269 uint64_t cpumap);
kfraser@11257 270 int xc_vcpu_getaffinity(int xc_handle,
kfraser@11257 271 uint32_t domid,
kfraser@11257 272 int vcpu,
kfraser@11257 273 uint64_t *cpumap);
kaf24@7378 274
iap10@3443 275 /**
dsteklof@5498 276 * This function will return information about one or more domains. It is
dsteklof@5498 277 * designed to iterate over the list of domains. If a single domain is
dsteklof@5498 278 * requested, this function will return the next domain in the list - if
dsteklof@5498 279 * one exists. It is, therefore, important in this case to make sure the
dsteklof@5498 280 * domain requested was the one returned.
iap10@3443 281 *
iap10@3443 282 * @parm xc_handle a handle to an open hypervisor interface
iap10@3443 283 * @parm first_domid the first domain to enumerate information from. Domains
iap10@3443 284 * are currently enumerate in order of creation.
iap10@3443 285 * @parm max_doms the number of elements in info
iap10@3443 286 * @parm info an array of max_doms size that will contain the information for
iap10@3443 287 * the enumerated domains.
iap10@3443 288 * @return the number of domains enumerated or -1 on error
iap10@3443 289 */
mjw@1623 290 int xc_domain_getinfo(int xc_handle,
kaf24@9660 291 uint32_t first_domid,
mjw@1623 292 unsigned int max_doms,
mjw@1623 293 xc_dominfo_t *info);
iap10@3443 294
kaf24@8381 295
kaf24@8381 296 /**
kaf24@8500 297 * This function will set the execution context for the specified vcpu.
kaf24@8381 298 *
kaf24@8381 299 * @parm xc_handle a handle to an open hypervisor interface
kaf24@8381 300 * @parm domid the domain to set the vcpu context for
kaf24@8381 301 * @parm vcpu the vcpu number for the context
kaf24@8381 302 * @parm ctxt pointer to the the cpu context with the values to set
kaf24@8381 303 * @return the number of domains enumerated or -1 on error
kaf24@8381 304 */
kaf24@8500 305 int xc_vcpu_setcontext(int xc_handle,
kaf24@8500 306 uint32_t domid,
kaf24@8500 307 uint32_t vcpu,
kaf24@8500 308 vcpu_guest_context_t *ctxt);
iap10@3443 309 /**
kaf24@5699 310 * This function will return information about one or more domains, using a
kaf24@5699 311 * single hypercall. The domain information will be stored into the supplied
kaf24@5699 312 * array of xc_domaininfo_t structures.
kaf24@5699 313 *
kaf24@5699 314 * @parm xc_handle a handle to an open hypervisor interface
kaf24@5699 315 * @parm first_domain the first domain to enumerate information from.
kaf24@5699 316 * Domains are currently enumerate in order of creation.
kaf24@5699 317 * @parm max_domains the number of elements in info
kaf24@5699 318 * @parm info an array of max_doms size that will contain the information for
kaf24@5699 319 * the enumerated domains.
kaf24@5699 320 * @return the number of domains enumerated or -1 on error
kaf24@5699 321 */
kaf24@5699 322 int xc_domain_getinfolist(int xc_handle,
kaf24@7339 323 uint32_t first_domain,
kaf24@5699 324 unsigned int max_domains,
kaf24@5699 325 xc_domaininfo_t *info);
kaf24@5699 326
kaf24@5699 327 /**
Tim@13414 328 * This function returns information about the context of a hvm domain
Tim@13414 329 * @parm xc_handle a handle to an open hypervisor interface
Tim@13414 330 * @parm domid the domain to get information from
Tim@13414 331 * @parm hvm_ctxt a pointer to a structure to store the execution context of the
Tim@13414 332 * hvm domain
Tim@13414 333 * @return 0 on success, -1 on failure
Tim@13414 334 */
Tim@13414 335 int xc_domain_hvm_getcontext(int xc_handle,
Tim@13414 336 uint32_t domid,
Tim@13414 337 hvm_domain_context_t *hvm_ctxt);
Tim@13414 338
Tim@13414 339 /**
Tim@13414 340 * This function will set the context for hvm domain
Tim@13414 341 *
Tim@13414 342 * @parm xc_handle a handle to an open hypervisor interface
Tim@13414 343 * @parm domid the domain to set the hvm domain context for
Tim@13414 344 * @parm hvm_ctxt pointer to the the hvm context with the values to set
Tim@13414 345 * @return 0 on success, -1 on failure
Tim@13414 346 */
Tim@13414 347 int xc_domain_hvm_setcontext(int xc_handle,
Tim@13414 348 uint32_t domid,
Tim@13414 349 hvm_domain_context_t *hvm_ctxt);
Tim@13414 350
Tim@13414 351 /**
emellor@7404 352 * This function returns information about the execution context of a
emellor@7404 353 * particular vcpu of a domain.
iap10@3443 354 *
iap10@3443 355 * @parm xc_handle a handle to an open hypervisor interface
iap10@3443 356 * @parm domid the domain to get information from
emellor@7404 357 * @parm vcpu the vcpu number
iap10@3443 358 * @parm ctxt a pointer to a structure to store the execution context of the
iap10@3443 359 * domain
iap10@3443 360 * @return 0 on success, -1 on failure
iap10@3443 361 */
kaf24@8500 362 int xc_vcpu_getcontext(int xc_handle,
kaf24@7339 363 uint32_t domid,
kaf24@7339 364 uint32_t vcpu,
cl349@4853 365 vcpu_guest_context_t *ctxt);
cl349@4849 366
kfraser@11257 367 typedef xen_domctl_getvcpuinfo_t xc_vcpuinfo_t;
kaf24@8500 368 int xc_vcpu_getinfo(int xc_handle,
kaf24@8500 369 uint32_t domid,
kaf24@8500 370 uint32_t vcpu,
kaf24@8500 371 xc_vcpuinfo_t *info);
kaf24@7397 372
gm281@2236 373 int xc_domain_setcpuweight(int xc_handle,
kaf24@7339 374 uint32_t domid,
gm281@2236 375 float weight);
kaf24@2787 376 long long xc_domain_get_cpu_usage(int xc_handle,
mafetter@3435 377 domid_t domid,
mafetter@3435 378 int vcpu);
mjw@1623 379
kaf24@9660 380 int xc_domain_sethandle(int xc_handle, uint32_t domid,
kaf24@7379 381 xen_domain_handle_t handle);
kaf24@2787 382
kfraser@11257 383 typedef xen_domctl_shadow_op_stats_t xc_shadow_op_stats_t;
mjw@1623 384 int xc_shadow_control(int xc_handle,
kaf24@9660 385 uint32_t domid,
mjw@1623 386 unsigned int sop,
mjw@1623 387 unsigned long *dirty_bitmap,
mjw@1623 388 unsigned long pages,
tdeegan@11151 389 unsigned long *mb,
tdeegan@11151 390 uint32_t mode,
kfraser@11257 391 xc_shadow_op_stats_t *stats);
mjw@1623 392
sd386@3449 393 int xc_sedf_domain_set(int xc_handle,
kaf24@7339 394 uint32_t domid,
kaf24@7339 395 uint64_t period, uint64_t slice,
kaf24@7339 396 uint64_t latency, uint16_t extratime,
kaf24@7339 397 uint16_t weight);
sd386@3449 398
sd386@3449 399 int xc_sedf_domain_get(int xc_handle,
kaf24@7339 400 uint32_t domid,
kaf24@7339 401 uint64_t* period, uint64_t *slice,
kaf24@7339 402 uint64_t *latency, uint16_t *extratime,
kaf24@7339 403 uint16_t *weight);
sd386@3449 404
kaf24@10174 405 int xc_sched_credit_domain_set(int xc_handle,
kaf24@10174 406 uint32_t domid,
kfraser@11257 407 struct xen_domctl_sched_credit *sdom);
ack@10168 408
kaf24@10174 409 int xc_sched_credit_domain_get(int xc_handle,
kaf24@10174 410 uint32_t domid,
kfraser@11257 411 struct xen_domctl_sched_credit *sdom);
ack@10168 412
kaf24@3961 413 /*
iap10@3443 414 * EVENT CHANNEL FUNCTIONS
kaf24@3961 415 */
iap10@3443 416
iap10@3443 417 /**
iap10@3443 418 * This function allocates an unbound port. Ports are named endpoints used for
iap10@3443 419 * interdomain communication. This function is most useful in opening a
iap10@3443 420 * well-known port within a domain to receive events on.
kfraser@12694 421 *
kfraser@12694 422 * NOTE: If you are allocating a *local* unbound port, you probably want to
kfraser@12694 423 * use xc_evtchn_bind_unbound_port(). This function is intended for allocating
kfraser@12694 424 * ports *only* during domain creation.
iap10@3443 425 *
iap10@3443 426 * @parm xc_handle a handle to an open hypervisor interface
kaf24@7223 427 * @parm dom the ID of the local domain (the 'allocatee')
kaf24@7237 428 * @parm remote_dom the ID of the domain who will later bind
kaf24@7237 429 * @return allocated port (in @dom) on success, -1 on failure
iap10@3443 430 */
kaf24@2713 431 int xc_evtchn_alloc_unbound(int xc_handle,
kaf24@7339 432 uint32_t dom,
kaf24@7339 433 uint32_t remote_dom);
iap10@3443 434
mjw@1623 435 int xc_physdev_pci_access_modify(int xc_handle,
kaf24@7339 436 uint32_t domid,
mjw@1623 437 int bus,
mjw@1623 438 int dev,
mjw@1623 439 int func,
mjw@1623 440 int enable);
mjw@1623 441
mjw@1623 442 int xc_readconsolering(int xc_handle,
kaf24@5327 443 char **pbuffer,
kaf24@9660 444 unsigned int *pnr_chars,
mjw@1623 445 int clear);
mjw@1623 446
kfraser@11257 447 typedef xen_sysctl_physinfo_t xc_physinfo_t;
mjw@1623 448 int xc_physinfo(int xc_handle,
mjw@1623 449 xc_physinfo_t *info);
mjw@1623 450
gm281@2236 451 int xc_sched_id(int xc_handle,
gm281@2236 452 int *sched_id);
gm281@2236 453
mjw@1623 454 int xc_domain_setmaxmem(int xc_handle,
kaf24@9660 455 uint32_t domid,
kaf24@3231 456 unsigned int max_memkb);
mjw@1623 457
kfraser@12803 458 int xc_domain_set_memmap_limit(int xc_handle,
kfraser@12803 459 uint32_t domid,
kfraser@12803 460 unsigned long map_limitkb);
kfraser@12803 461
kaf24@10474 462 int xc_domain_set_time_offset(int xc_handle,
kaf24@10474 463 uint32_t domid,
kaf24@10474 464 int32_t time_offset_seconds);
kaf24@10474 465
cl349@5045 466 int xc_domain_memory_increase_reservation(int xc_handle,
kaf24@9660 467 uint32_t domid,
iap10@6688 468 unsigned long nr_extents,
iap10@6682 469 unsigned int extent_order,
iap10@6688 470 unsigned int address_bits,
kaf24@10276 471 xen_pfn_t *extent_start);
iap10@6688 472
iap10@6688 473 int xc_domain_memory_decrease_reservation(int xc_handle,
kaf24@9660 474 uint32_t domid,
iap10@6688 475 unsigned long nr_extents,
iap10@6688 476 unsigned int extent_order,
kaf24@10276 477 xen_pfn_t *extent_start);
iap10@6688 478
kaf24@8856 479 int xc_domain_memory_populate_physmap(int xc_handle,
kaf24@8856 480 uint32_t domid,
kaf24@8856 481 unsigned long nr_extents,
kaf24@8856 482 unsigned int extent_order,
kaf24@8856 483 unsigned int address_bits,
kaf24@10276 484 xen_pfn_t *extent_start);
kaf24@8856 485
kaf24@7624 486 int xc_domain_ioport_permission(int xc_handle,
kaf24@7624 487 uint32_t domid,
kaf24@8121 488 uint32_t first_port,
kaf24@8121 489 uint32_t nr_ports,
kaf24@8121 490 uint32_t allow_access);
kaf24@7624 491
kaf24@8460 492 int xc_domain_irq_permission(int xc_handle,
kaf24@8460 493 uint32_t domid,
kaf24@8460 494 uint8_t pirq,
kaf24@8460 495 uint8_t allow_access);
kaf24@8460 496
kaf24@8460 497 int xc_domain_iomem_permission(int xc_handle,
kaf24@8460 498 uint32_t domid,
kaf24@8736 499 unsigned long first_mfn,
kaf24@8736 500 unsigned long nr_mfns,
kaf24@8460 501 uint8_t allow_access);
kaf24@8460 502
kaf24@10266 503 unsigned long xc_make_page_below_4G(int xc_handle, uint32_t domid,
kaf24@10266 504 unsigned long mfn);
kaf24@10266 505
kfraser@11257 506 typedef xen_sysctl_perfc_desc_t xc_perfc_desc_t;
kfraser@11257 507 typedef xen_sysctl_perfc_val_t xc_perfc_val_t;
kaf24@10953 508 /* IMPORTANT: The caller is responsible for mlock()'ing the @desc and @val
kaf24@10953 509 arrays. */
kaf24@3231 510 int xc_perfc_control(int xc_handle,
kaf24@7339 511 uint32_t op,
kaf24@10953 512 xc_perfc_desc_t *desc,
kaf24@10953 513 xc_perfc_val_t *val,
kaf24@10953 514 int *nbr_desc,
kaf24@10953 515 int *nbr_val);
mjw@1623 516
iap10@3443 517 /**
iap10@3443 518 * Memory maps a range within one domain to a local address range. Mappings
iap10@3443 519 * should be unmapped with munmap and should follow the same rules as mmap
rusty@4866 520 * regarding page alignment. Returns NULL on failure.
iap10@3443 521 *
iap10@3443 522 * In Linux, the ring queue for the control channel is accessible by mapping
iap10@3443 523 * the shared_info_frame (from xc_domain_getinfo()) + 2048. The structure
iap10@3443 524 * stored there is of type control_if_t.
iap10@3443 525 *
iap10@3443 526 * @parm xc_handle a handle on an open hypervisor interface
iap10@3443 527 * @parm dom the domain to map memory from
iap10@3443 528 * @parm size the amount of memory to map (in multiples of page size)
iap10@3443 529 * @parm prot same flag as in mmap().
iap10@3443 530 * @parm mfn the frame address to map.
iap10@3443 531 */
kaf24@7339 532 void *xc_map_foreign_range(int xc_handle, uint32_t dom,
iap10@2325 533 int size, int prot,
iap10@2325 534 unsigned long mfn );
iap10@2325 535
kaf24@7339 536 void *xc_map_foreign_batch(int xc_handle, uint32_t dom, int prot,
kaf24@10276 537 xen_pfn_t *arr, int num );
iap10@2325 538
Ian@8435 539 /**
Ian@8435 540 * Translates a virtual address in the context of a given domain and
Ian@8435 541 * vcpu returning the machine page frame number of the associated
Ian@8435 542 * page.
Ian@8435 543 *
Ian@8435 544 * @parm xc_handle a handle on an open hypervisor interface
Ian@8435 545 * @parm dom the domain to perform the translation in
Ian@8435 546 * @parm vcpu the vcpu to perform the translation on
Ian@8435 547 * @parm virt the virtual address to translate
Ian@8435 548 */
Ian@8435 549 unsigned long xc_translate_foreign_address(int xc_handle, uint32_t dom,
kaf24@9221 550 int vcpu, unsigned long long virt);
Ian@8435 551
kaf24@10276 552 int xc_get_pfn_list(int xc_handle, uint32_t domid, xen_pfn_t *pfn_buf,
cl349@4853 553 unsigned long max_pfns);
iap10@3390 554
awilliam@12005 555 unsigned long xc_ia64_fpsr_default(void);
awilliam@12005 556
kaf24@7339 557 int xc_ia64_get_pfn_list(int xc_handle, uint32_t domid,
kaf24@10276 558 xen_pfn_t *pfn_buf,
kaf24@7339 559 unsigned int start_page, unsigned int nr_pages);
kaf24@5914 560
djm@7536 561 int xc_copy_to_domain_page(int xc_handle, uint32_t domid,
kaf24@9221 562 unsigned long dst_pfn, const char *src_page);
djm@7536 563
kaf24@7786 564 int xc_clear_domain_page(int xc_handle, uint32_t domid,
kaf24@7786 565 unsigned long dst_pfn);
kaf24@7786 566
kaf24@7339 567 long xc_get_max_pages(int xc_handle, uint32_t domid);
djm@6856 568
cl349@6389 569 int xc_mmuext_op(int xc_handle, struct mmuext_op *op, unsigned int nr_ops,
kaf24@9221 570 domid_t dom);
cl349@6389 571
kaf24@6468 572 int xc_memory_op(int xc_handle, int cmd, void *arg);
cl349@6389 573
kaf24@7339 574 int xc_get_pfn_type_batch(int xc_handle, uint32_t dom,
kaf24@7339 575 int num, unsigned long *arr);
cl349@6389 576
cl349@6389 577
kaf24@5318 578 /* Get current total pages allocated to a domain. */
kaf24@7339 579 long xc_get_tot_pages(int xc_handle, uint32_t domid);
kaf24@5318 580
kaf24@7566 581
kaf24@7566 582 /*
kaf24@7566 583 * Trace Buffer Operations
kaf24@7566 584 */
kaf24@7566 585
kaf24@7566 586 /**
kaf24@9996 587 * xc_tbuf_enable - enable tracing buffers
kaf24@7566 588 *
kaf24@7566 589 * @parm xc_handle a handle to an open hypervisor interface
kaf24@9996 590 * @parm cnt size of tracing buffers to create (in pages)
kaf24@9996 591 * @parm mfn location to store mfn of the trace buffers to
kaf24@9996 592 * @parm size location to store the size (in bytes) of a trace buffer to
kaf24@9996 593 *
kaf24@9996 594 * Gets the machine address of the trace pointer area and the size of the
kaf24@9996 595 * per CPU buffers.
kaf24@7566 596 */
kfraser@12485 597 int xc_tbuf_enable(int xc_handle, unsigned long pages,
kfraser@12485 598 unsigned long *mfn, unsigned long *size);
kaf24@9996 599
kaf24@9996 600 /*
kaf24@9996 601 * Disable tracing buffers.
kaf24@9996 602 */
kaf24@9996 603 int xc_tbuf_disable(int xc_handle);
kaf24@7566 604
kaf24@7566 605 /**
kaf24@7571 606 * This function sets the size of the trace buffers. Setting the size
kaf24@7571 607 * is currently a one-shot operation that may be performed either at boot
kaf24@7571 608 * time or via this interface, not both. The buffer size must be set before
kaf24@7571 609 * enabling tracing.
kaf24@7566 610 *
kaf24@7566 611 * @parm xc_handle a handle to an open hypervisor interface
kaf24@7566 612 * @parm size the size in pages per cpu for the trace buffers
kaf24@7566 613 * @return 0 on success, -1 on failure.
kaf24@7566 614 */
kaf24@9996 615 int xc_tbuf_set_size(int xc_handle, unsigned long size);
kaf24@7566 616
kaf24@7566 617 /**
kaf24@9660 618 * This function retrieves the current size of the trace buffers.
kaf24@7566 619 * Note that the size returned is in terms of bytes, not pages.
kaf24@7566 620
kaf24@7566 621 * @parm xc_handle a handle to an open hypervisor interface
kaf24@7566 622 * @parm size will contain the size in bytes for the trace buffers
kaf24@7566 623 * @return 0 on success, -1 on failure.
kaf24@7566 624 */
kaf24@9996 625 int xc_tbuf_get_size(int xc_handle, unsigned long *size);
kaf24@9907 626
kaf24@9907 627 int xc_tbuf_set_cpu_mask(int xc_handle, uint32_t mask);
kaf24@9907 628
kaf24@9907 629 int xc_tbuf_set_evt_mask(int xc_handle, uint32_t mask);
kaf24@7566 630
kfraser@11257 631 int xc_domctl(int xc_handle, struct xen_domctl *domctl);
kfraser@11257 632 int xc_sysctl(int xc_handle, struct xen_sysctl *sysctl);
cwc22@3985 633
vh249@6549 634 int xc_version(int xc_handle, int cmd, void *arg);
vh249@6549 635
cl349@6389 636 /*
cl349@6389 637 * MMU updates.
cl349@6389 638 */
cl349@6389 639 #define MAX_MMU_UPDATES 1024
cl349@6389 640 struct xc_mmu {
cl349@6389 641 mmu_update_t updates[MAX_MMU_UPDATES];
cl349@6389 642 int idx;
cl349@6389 643 domid_t subject;
cl349@6389 644 };
cl349@6389 645 typedef struct xc_mmu xc_mmu_t;
cl349@6389 646 xc_mmu_t *xc_init_mmu_updates(int xc_handle, domid_t dom);
kaf24@9660 647 int xc_add_mmu_update(int xc_handle, xc_mmu_t *mmu,
iap10@6680 648 unsigned long long ptr, unsigned long long val);
cl349@6389 649 int xc_finish_mmu_updates(int xc_handle, xc_mmu_t *mmu);
cl349@6389 650
kfraser@12485 651 int xc_acm_op(int xc_handle, int cmd, void *arg, unsigned long arg_size);
kaf24@9907 652
kaf24@10355 653 /*
kaf24@10355 654 * Return a handle to the event channel driver, or -1 on failure, in which case
kaf24@10355 655 * errno will be set appropriately.
kaf24@10355 656 */
kaf24@10355 657 int xc_evtchn_open(void);
kaf24@10355 658
kaf24@10355 659 /*
kaf24@10355 660 * Close a handle previously allocated with xc_evtchn_open().
kaf24@10355 661 */
kaf24@10355 662 int xc_evtchn_close(int xce_handle);
kaf24@10355 663
kaf24@10355 664 /*
kaf24@10355 665 * Return an fd that can be select()ed on for further calls to
kaf24@10355 666 * xc_evtchn_pending().
kaf24@10355 667 */
kaf24@10355 668 int xc_evtchn_fd(int xce_handle);
kaf24@10355 669
kaf24@10355 670 /*
kaf24@10355 671 * Notify the given event channel. Returns -1 on failure, in which case
kaf24@10355 672 * errno will be set appropriately.
kaf24@10355 673 */
kaf24@10355 674 int xc_evtchn_notify(int xce_handle, evtchn_port_t port);
kaf24@10355 675
kaf24@10355 676 /*
kfraser@12694 677 * Returns a new event port awaiting interdomain connection from the given
kfraser@12694 678 * domain ID, or -1 on failure, in which case errno will be set appropriately.
kfraser@12694 679 */
kfraser@12694 680 evtchn_port_t xc_evtchn_bind_unbound_port(int xce_handle, int domid);
kfraser@12694 681
kfraser@12694 682 /*
kaf24@10355 683 * Returns a new event port bound to the remote port for the given domain ID,
kaf24@10355 684 * or -1 on failure, in which case errno will be set appropriately.
kaf24@10355 685 */
kaf24@10355 686 evtchn_port_t xc_evtchn_bind_interdomain(int xce_handle, int domid,
kaf24@10355 687 evtchn_port_t remote_port);
kaf24@10355 688
kaf24@10355 689 /*
kaf24@10355 690 * Unbind the given event channel. Returns -1 on failure, in which case errno
kaf24@10355 691 * will be set appropriately.
kaf24@10355 692 */
kaf24@10355 693 int xc_evtchn_unbind(int xce_handle, evtchn_port_t port);
kaf24@10355 694
kaf24@10355 695 /*
kaf24@10355 696 * Bind an event channel to the given VIRQ. Returns the event channel bound to
kaf24@10355 697 * the VIRQ, or -1 on failure, in which case errno will be set appropriately.
kaf24@10355 698 */
kaf24@10355 699 evtchn_port_t xc_evtchn_bind_virq(int xce_handle, unsigned int virq);
kaf24@10355 700
kaf24@10355 701 /*
kaf24@10355 702 * Return the next event channel to become pending, or -1 on failure, in which
kaf24@10355 703 * case errno will be set appropriately.
kaf24@10355 704 */
kaf24@10355 705 evtchn_port_t xc_evtchn_pending(int xce_handle);
kaf24@10355 706
kaf24@10355 707 /*
kaf24@10355 708 * Unmask the given event channel. Returns -1 on failure, in which case errno
kaf24@10355 709 * will be set appropriately.
kaf24@10355 710 */
kaf24@10355 711 int xc_evtchn_unmask(int xce_handle, evtchn_port_t port);
kaf24@10355 712
kfraser@12504 713 int xc_hvm_set_pci_intx_level(
kfraser@12694 714 int xc_handle, domid_t dom,
kfraser@12504 715 uint8_t domain, uint8_t bus, uint8_t device, uint8_t intx,
kfraser@12504 716 unsigned int level);
kfraser@12504 717 int xc_hvm_set_isa_irq_level(
kfraser@12694 718 int xc_handle, domid_t dom,
kfraser@12504 719 uint8_t isa_irq,
kfraser@12504 720 unsigned int level);
kfraser@12504 721
kfraser@12504 722 int xc_hvm_set_pci_link_route(
kfraser@12694 723 int xc_handle, domid_t dom, uint8_t link, uint8_t isa_irq);
kfraser@12275 724
kfraser@12765 725
kfraser@12765 726 typedef enum {
kfraser@12765 727 XC_ERROR_NONE = 0,
kfraser@12765 728 XC_INTERNAL_ERROR = 1,
kfraser@12765 729 XC_INVALID_KERNEL = 2,
kfraser@12765 730 } xc_error_code;
kfraser@12765 731
kfraser@12765 732 #define XC_MAX_ERROR_MSG_LEN 1024
kfraser@12765 733 typedef struct {
kfraser@12765 734 int code;
kfraser@12765 735 char message[XC_MAX_ERROR_MSG_LEN];
kfraser@12765 736 } xc_error;
kfraser@12765 737
kfraser@12765 738 /*
kfraser@12765 739 * Return a pointer to the last error. This pointer and the
kfraser@12765 740 * data pointed to are only valid until the next call to
kfraser@12765 741 * libxc.
kfraser@12765 742 */
kfraser@12765 743 const xc_error const *xc_get_last_error(void);
kfraser@12765 744
kfraser@12765 745 /*
kfraser@12765 746 * Clear the last error
kfraser@12765 747 */
kfraser@12765 748 void xc_clear_last_error(void);
kfraser@12765 749
kfraser@12765 750 typedef void (*xc_error_handler)(const xc_error const* err);
kfraser@12765 751
kfraser@12765 752 /*
kfraser@12765 753 * The default error handler which prints to stderr
kfraser@12765 754 */
kfraser@12765 755 void xc_default_error_handler(const xc_error const* err);
kfraser@12765 756
kfraser@12765 757 /*
kfraser@12765 758 * Convert an error code into a text description
kfraser@12765 759 */
kfraser@12765 760 const char *xc_error_code_to_desc(int code);
kfraser@12765 761
kfraser@12765 762 /*
kfraser@12765 763 * Registers a callback to handle errors
kfraser@12765 764 */
kfraser@12765 765 xc_error_handler xc_set_error_handler(xc_error_handler handler);
kfraser@12765 766
kfraser@12988 767 /* PowerPC specific. */
kfraser@12988 768 int xc_alloc_real_mode_area(int xc_handle,
kfraser@12988 769 uint32_t domid,
kfraser@12988 770 unsigned int log);
cl349@6389 771 #endif