direct-io.hg

annotate tools/libxc/xenctrl.h @ 12005:cf05aabe6e65

[LIBXC][IA64] fix build warning

With warnings becoming errors, this fixes the libxc build on ia64

Signed-off-by: Alex Williamson <alex.williamson@hp.com>
author awilliam@xenbuild.aw
date Wed Oct 25 15:29:00 2006 -0600 (2006-10-25)
parents 5525b18b7224
children 7b5115221dfc
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__)
kaf24@5914 50 /* FIXME */
kaf24@5914 51 #define mb()
kaf24@5914 52 #define rmb()
kaf24@5914 53 #define wmb()
kaf24@10687 54 #elif defined(__powerpc__)
kaf24@10687 55 /* XXX loosen these up later */
kaf24@10687 56 #define mb() __asm__ __volatile__ ("sync" : : : "memory")
kaf24@10687 57 #define rmb() __asm__ __volatile__ ("sync" : : : "memory") /* lwsync? */
kaf24@10687 58 #define wmb() __asm__ __volatile__ ("sync" : : : "memory") /* eieio? */
kaf24@3961 59 #else
kaf24@3961 60 #error "Define barriers"
kaf24@3961 61 #endif
kaf24@3961 62
kaf24@3961 63 /*
iap10@3443 64 * INITIALIZATION FUNCTIONS
kaf24@9660 65 */
iap10@3443 66
iap10@3443 67 /**
iap10@3443 68 * This function opens a handle to the hypervisor interface. This function can
iap10@3443 69 * be called multiple times within a single process. Multiple processes can
iap10@3443 70 * have an open hypervisor interface at the same time.
iap10@3443 71 *
iap10@3443 72 * Each call to this function should have a corresponding call to
iap10@3443 73 * xc_interface_close().
iap10@3443 74 *
iap10@3443 75 * This function can fail if the caller does not have superuser permission or
iap10@3443 76 * if a Xen-enabled kernel is not currently running.
iap10@3443 77 *
iap10@3443 78 * @return a handle to the hypervisor interface or -1 on failure
iap10@3443 79 */
mjw@1623 80 int xc_interface_open(void);
iap10@3443 81
iap10@3443 82 /**
iap10@3443 83 * This function closes an open hypervisor interface.
iap10@3443 84 *
iap10@3443 85 * This function can fail if the handle does not represent an open interface or
iap10@3443 86 * if there were problems closing the interface.
iap10@3443 87 *
iap10@3443 88 * @parm xc_handle a handle to an open hypervisor interface
iap10@3443 89 * @return 0 on success, -1 otherwise.
iap10@3443 90 */
mjw@1623 91 int xc_interface_close(int xc_handle);
mjw@1623 92
kaf24@3961 93 /*
kfraser@11672 94 * KERNEL INTERFACES
kfraser@11672 95 */
kfraser@11672 96
kfraser@11672 97 /*
kfraser@11672 98 * Resolve a kernel device name (e.g., "evtchn", "blktap0") into a kernel
kfraser@11672 99 * device number. Returns -1 on error (and sets errno).
kfraser@11672 100 */
kfraser@11672 101 int xc_find_device_number(const char *name);
kfraser@11672 102
kfraser@11672 103 /*
kaf24@4719 104 * DOMAIN DEBUGGING FUNCTIONS
kaf24@4719 105 */
kaf24@4719 106
kaf24@4719 107 typedef struct xc_core_header {
kaf24@4719 108 unsigned int xch_magic;
kaf24@4719 109 unsigned int xch_nr_vcpus;
kaf24@4719 110 unsigned int xch_nr_pages;
kaf24@4719 111 unsigned int xch_ctxt_offset;
kaf24@4719 112 unsigned int xch_index_offset;
kaf24@4719 113 unsigned int xch_pages_offset;
kaf24@4719 114 } xc_core_header_t;
kaf24@4719 115
kaf24@9145 116 #define XC_CORE_MAGIC 0xF00FEBED
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
kaf24@9143 123 void * map_domain_va_core(
kaf24@9660 124 unsigned long domfd,
kaf24@9660 125 int cpu,
kaf24@9143 126 void *guest_va,
kaf24@9143 127 vcpu_guest_context_t *ctxt);
kfraser@11775 128
kaf24@6941 129 int xc_waitdomain_core(
kaf24@6941 130 int xc_handle,
kaf24@9660 131 int domain,
kaf24@9660 132 int *status,
kaf24@9143 133 int options,
kaf24@9143 134 vcpu_guest_context_t *ctxt);
kfraser@11775 135
kfraser@11774 136 typedef void (*thr_ev_handler_t)(long);
kfraser@11774 137
kfraser@11774 138 void xc_register_event_handler(
kfraser@11774 139 thr_ev_handler_t h,
kfraser@11774 140 td_event_e e);
kfraser@11774 141
kfraser@11774 142 long xc_ptrace(
kfraser@11774 143 int xc_handle,
kfraser@11774 144 enum __ptrace_request request,
kfraser@11774 145 uint32_t domid,
kfraser@11774 146 long addr,
kfraser@11774 147 long data);
kfraser@11774 148
kfraser@11774 149 int xc_waitdomain(
kfraser@11774 150 int xc_handle,
kfraser@11774 151 int domain,
kfraser@11774 152 int *status,
kfraser@11774 153 int options);
kfraser@11774 154
kfraser@11774 155 #endif /* __linux__ */
kaf24@4719 156
kaf24@4719 157 /*
iap10@3443 158 * DOMAIN MANAGEMENT FUNCTIONS
kaf24@3961 159 */
iap10@3443 160
mjw@1623 161 typedef struct {
kaf24@7378 162 uint32_t domid;
kaf24@7378 163 uint32_t ssidref;
kaf24@9660 164 unsigned int dying:1, crashed:1, shutdown:1,
mjw@1623 165 paused:1, blocked:1, running:1;
mjw@1623 166 unsigned int shutdown_reason; /* only meaningful if shutdown==1 */
mjw@1623 167 unsigned long nr_pages;
mjw@1623 168 unsigned long shared_info_frame;
kaf24@7378 169 uint64_t cpu_time;
mjw@1623 170 unsigned long max_memkb;
kaf24@7397 171 unsigned int nr_online_vcpus;
kaf24@7397 172 unsigned int max_vcpu_id;
kaf24@7378 173 xen_domain_handle_t handle;
mjw@1623 174 } xc_dominfo_t;
mjw@1623 175
kfraser@11257 176 typedef xen_domctl_getdomaininfo_t xc_domaininfo_t;
kaf24@9660 177 int xc_domain_create(int xc_handle,
kaf24@7339 178 uint32_t ssidref,
kaf24@7378 179 xen_domain_handle_t handle,
kaf24@7339 180 uint32_t *pdomid);
iap10@3443 181
kaf24@4719 182
kaf24@9221 183 /* Functions to produce a dump of a given domain
kaf24@9221 184 * xc_domain_dumpcore - produces a dump to a specified file
kaf24@9221 185 * xc_domain_dumpcore_via_callback - produces a dump, using a specified
kaf24@9221 186 * callback function
kaf24@9221 187 */
kaf24@9660 188 int xc_domain_dumpcore(int xc_handle,
kaf24@7339 189 uint32_t domid,
cl349@4853 190 const char *corename);
kaf24@4719 191
kaf24@9221 192 /* Define the callback function type for xc_domain_dumpcore_via_callback.
kaf24@9221 193 *
kaf24@9221 194 * This function is called by the coredump code for every "write",
kaf24@9221 195 * and passes an opaque object for the use of the function and
kaf24@9221 196 * created by the caller of xc_domain_dumpcore_via_callback.
kaf24@9221 197 */
kaf24@9221 198 typedef int (dumpcore_rtn_t)(void *arg, char *buffer, unsigned int length);
kaf24@9221 199
kaf24@9660 200 int xc_domain_dumpcore_via_callback(int xc_handle,
kaf24@9221 201 uint32_t domid,
kaf24@9221 202 void *arg,
kaf24@9221 203 dumpcore_rtn_t dump_rtn);
kaf24@9221 204
kaf24@7354 205 /*
kaf24@7566 206 * This function sets the maximum number of vcpus that a domain may create.
kaf24@7354 207 *
kaf24@7354 208 * @parm xc_handle a handle to an open hypervisor interface.
kaf24@7354 209 * @parm domid the domain id in which vcpus are to be created.
kaf24@7354 210 * @parm max the maximum number of vcpus that the domain may create.
kaf24@7354 211 * @return 0 on success, -1 on failure.
kaf24@7354 212 */
kaf24@7354 213 int xc_domain_max_vcpus(int xc_handle,
kaf24@9660 214 uint32_t domid,
kaf24@7354 215 unsigned int max);
kaf24@4719 216
iap10@3443 217 /**
iap10@3443 218 * This function pauses a domain. A paused domain still exists in memory
iap10@3443 219 * however it does not receive any timeslices from the hypervisor.
iap10@3443 220 *
iap10@3443 221 * @parm xc_handle a handle to an open hypervisor interface
iap10@3443 222 * @parm domid the domain id to pause
iap10@3443 223 * @return 0 on success, -1 on failure.
iap10@3443 224 */
kaf24@9660 225 int xc_domain_pause(int xc_handle,
kaf24@7339 226 uint32_t domid);
iap10@3443 227 /**
iap10@3443 228 * This function unpauses a domain. The domain should have been previously
iap10@3443 229 * paused.
iap10@3443 230 *
iap10@3443 231 * @parm xc_handle a handle to an open hypervisor interface
iap10@3443 232 * @parm domid the domain id to unpause
iap10@3443 233 * return 0 on success, -1 on failure
iap10@3443 234 */
kaf24@9660 235 int xc_domain_unpause(int xc_handle,
kaf24@7339 236 uint32_t domid);
iap10@3443 237
iap10@3443 238 /**
iap10@3443 239 * This function will destroy a domain. Destroying a domain removes the domain
iap10@3443 240 * completely from memory. This function should be called after sending the
iap10@3443 241 * domain a SHUTDOWN control message to free up the domain resources.
iap10@3443 242 *
iap10@3443 243 * @parm xc_handle a handle to an open hypervisor interface
iap10@3443 244 * @parm domid the domain id to destroy
iap10@3443 245 * @return 0 on success, -1 on failure
iap10@3443 246 */
kaf24@9660 247 int xc_domain_destroy(int xc_handle,
kaf24@7339 248 uint32_t domid);
kaf24@8500 249
kaf24@9560 250 /**
kaf24@9560 251 * This function will shutdown a domain. This is intended for use in
kaf24@9560 252 * fully-virtualized domains where this operation is analogous to the
kaf24@9560 253 * sched_op operations in a paravirtualized domain. The caller is
kaf24@9560 254 * expected to give the reason for the shutdown.
kaf24@9560 255 *
kaf24@9560 256 * @parm xc_handle a handle to an open hypervisor interface
kaf24@9560 257 * @parm domid the domain id to destroy
kaf24@9560 258 * @parm reason is the reason (SHUTDOWN_xxx) for the shutdown
kaf24@9560 259 * @return 0 on success, -1 on failure
kaf24@9560 260 */
kaf24@9660 261 int xc_domain_shutdown(int xc_handle,
kaf24@9560 262 uint32_t domid,
kaf24@9560 263 int reason);
kaf24@9560 264
kaf24@8500 265 int xc_vcpu_setaffinity(int xc_handle,
kaf24@8500 266 uint32_t domid,
kaf24@8500 267 int vcpu,
kfraser@11257 268 uint64_t cpumap);
kfraser@11257 269 int xc_vcpu_getaffinity(int xc_handle,
kfraser@11257 270 uint32_t domid,
kfraser@11257 271 int vcpu,
kfraser@11257 272 uint64_t *cpumap);
kaf24@7378 273
iap10@3443 274 /**
dsteklof@5498 275 * This function will return information about one or more domains. It is
dsteklof@5498 276 * designed to iterate over the list of domains. If a single domain is
dsteklof@5498 277 * requested, this function will return the next domain in the list - if
dsteklof@5498 278 * one exists. It is, therefore, important in this case to make sure the
dsteklof@5498 279 * domain requested was the one returned.
iap10@3443 280 *
iap10@3443 281 * @parm xc_handle a handle to an open hypervisor interface
iap10@3443 282 * @parm first_domid the first domain to enumerate information from. Domains
iap10@3443 283 * are currently enumerate in order of creation.
iap10@3443 284 * @parm max_doms the number of elements in info
iap10@3443 285 * @parm info an array of max_doms size that will contain the information for
iap10@3443 286 * the enumerated domains.
iap10@3443 287 * @return the number of domains enumerated or -1 on error
iap10@3443 288 */
mjw@1623 289 int xc_domain_getinfo(int xc_handle,
kaf24@9660 290 uint32_t first_domid,
mjw@1623 291 unsigned int max_doms,
mjw@1623 292 xc_dominfo_t *info);
iap10@3443 293
kaf24@8381 294
kaf24@8381 295 /**
kaf24@8500 296 * This function will set the execution context for the specified vcpu.
kaf24@8381 297 *
kaf24@8381 298 * @parm xc_handle a handle to an open hypervisor interface
kaf24@8381 299 * @parm domid the domain to set the vcpu context for
kaf24@8381 300 * @parm vcpu the vcpu number for the context
kaf24@8381 301 * @parm ctxt pointer to the the cpu context with the values to set
kaf24@8381 302 * @return the number of domains enumerated or -1 on error
kaf24@8381 303 */
kaf24@8500 304 int xc_vcpu_setcontext(int xc_handle,
kaf24@8500 305 uint32_t domid,
kaf24@8500 306 uint32_t vcpu,
kaf24@8500 307 vcpu_guest_context_t *ctxt);
iap10@3443 308 /**
kaf24@5699 309 * This function will return information about one or more domains, using a
kaf24@5699 310 * single hypercall. The domain information will be stored into the supplied
kaf24@5699 311 * array of xc_domaininfo_t structures.
kaf24@5699 312 *
kaf24@5699 313 * @parm xc_handle a handle to an open hypervisor interface
kaf24@5699 314 * @parm first_domain the first domain to enumerate information from.
kaf24@5699 315 * Domains are currently enumerate in order of creation.
kaf24@5699 316 * @parm max_domains the number of elements in info
kaf24@5699 317 * @parm info an array of max_doms size that will contain the information for
kaf24@5699 318 * the enumerated domains.
kaf24@5699 319 * @return the number of domains enumerated or -1 on error
kaf24@5699 320 */
kaf24@5699 321 int xc_domain_getinfolist(int xc_handle,
kaf24@7339 322 uint32_t first_domain,
kaf24@5699 323 unsigned int max_domains,
kaf24@5699 324 xc_domaininfo_t *info);
kaf24@5699 325
kaf24@5699 326 /**
emellor@7404 327 * This function returns information about the execution context of a
emellor@7404 328 * particular vcpu of a domain.
iap10@3443 329 *
iap10@3443 330 * @parm xc_handle a handle to an open hypervisor interface
iap10@3443 331 * @parm domid the domain to get information from
emellor@7404 332 * @parm vcpu the vcpu number
iap10@3443 333 * @parm ctxt a pointer to a structure to store the execution context of the
iap10@3443 334 * domain
iap10@3443 335 * @return 0 on success, -1 on failure
iap10@3443 336 */
kaf24@8500 337 int xc_vcpu_getcontext(int xc_handle,
kaf24@7339 338 uint32_t domid,
kaf24@7339 339 uint32_t vcpu,
cl349@4853 340 vcpu_guest_context_t *ctxt);
cl349@4849 341
kfraser@11257 342 typedef xen_domctl_getvcpuinfo_t xc_vcpuinfo_t;
kaf24@8500 343 int xc_vcpu_getinfo(int xc_handle,
kaf24@8500 344 uint32_t domid,
kaf24@8500 345 uint32_t vcpu,
kaf24@8500 346 xc_vcpuinfo_t *info);
kaf24@7397 347
gm281@2236 348 int xc_domain_setcpuweight(int xc_handle,
kaf24@7339 349 uint32_t domid,
gm281@2236 350 float weight);
kaf24@2787 351 long long xc_domain_get_cpu_usage(int xc_handle,
mafetter@3435 352 domid_t domid,
mafetter@3435 353 int vcpu);
mjw@1623 354
kaf24@9660 355 int xc_domain_sethandle(int xc_handle, uint32_t domid,
kaf24@7379 356 xen_domain_handle_t handle);
kaf24@2787 357
kfraser@11257 358 typedef xen_domctl_shadow_op_stats_t xc_shadow_op_stats_t;
mjw@1623 359 int xc_shadow_control(int xc_handle,
kaf24@9660 360 uint32_t domid,
mjw@1623 361 unsigned int sop,
mjw@1623 362 unsigned long *dirty_bitmap,
mjw@1623 363 unsigned long pages,
tdeegan@11151 364 unsigned long *mb,
tdeegan@11151 365 uint32_t mode,
kfraser@11257 366 xc_shadow_op_stats_t *stats);
mjw@1623 367
sd386@3449 368 int xc_sedf_domain_set(int xc_handle,
kaf24@7339 369 uint32_t domid,
kaf24@7339 370 uint64_t period, uint64_t slice,
kaf24@7339 371 uint64_t latency, uint16_t extratime,
kaf24@7339 372 uint16_t weight);
sd386@3449 373
sd386@3449 374 int xc_sedf_domain_get(int xc_handle,
kaf24@7339 375 uint32_t domid,
kaf24@7339 376 uint64_t* period, uint64_t *slice,
kaf24@7339 377 uint64_t *latency, uint16_t *extratime,
kaf24@7339 378 uint16_t *weight);
sd386@3449 379
kaf24@10174 380 int xc_sched_credit_domain_set(int xc_handle,
kaf24@10174 381 uint32_t domid,
kfraser@11257 382 struct xen_domctl_sched_credit *sdom);
ack@10168 383
kaf24@10174 384 int xc_sched_credit_domain_get(int xc_handle,
kaf24@10174 385 uint32_t domid,
kfraser@11257 386 struct xen_domctl_sched_credit *sdom);
ack@10168 387
kaf24@3961 388 /*
iap10@3443 389 * EVENT CHANNEL FUNCTIONS
kaf24@3961 390 */
iap10@3443 391
iap10@3443 392 /**
iap10@3443 393 * This function allocates an unbound port. Ports are named endpoints used for
iap10@3443 394 * interdomain communication. This function is most useful in opening a
iap10@3443 395 * well-known port within a domain to receive events on.
iap10@3443 396 *
iap10@3443 397 * @parm xc_handle a handle to an open hypervisor interface
kaf24@7223 398 * @parm dom the ID of the local domain (the 'allocatee')
kaf24@7237 399 * @parm remote_dom the ID of the domain who will later bind
kaf24@7237 400 * @return allocated port (in @dom) on success, -1 on failure
iap10@3443 401 */
kaf24@2713 402 int xc_evtchn_alloc_unbound(int xc_handle,
kaf24@7339 403 uint32_t dom,
kaf24@7339 404 uint32_t remote_dom);
iap10@3443 405
mjw@1623 406 int xc_physdev_pci_access_modify(int xc_handle,
kaf24@7339 407 uint32_t domid,
mjw@1623 408 int bus,
mjw@1623 409 int dev,
mjw@1623 410 int func,
mjw@1623 411 int enable);
mjw@1623 412
mjw@1623 413 int xc_readconsolering(int xc_handle,
kaf24@5327 414 char **pbuffer,
kaf24@9660 415 unsigned int *pnr_chars,
mjw@1623 416 int clear);
mjw@1623 417
kfraser@11257 418 typedef xen_sysctl_physinfo_t xc_physinfo_t;
mjw@1623 419 int xc_physinfo(int xc_handle,
mjw@1623 420 xc_physinfo_t *info);
mjw@1623 421
gm281@2236 422 int xc_sched_id(int xc_handle,
gm281@2236 423 int *sched_id);
gm281@2236 424
mjw@1623 425 int xc_domain_setmaxmem(int xc_handle,
kaf24@9660 426 uint32_t domid,
kaf24@3231 427 unsigned int max_memkb);
mjw@1623 428
kaf24@10474 429 int xc_domain_set_time_offset(int xc_handle,
kaf24@10474 430 uint32_t domid,
kaf24@10474 431 int32_t time_offset_seconds);
kaf24@10474 432
cl349@5045 433 int xc_domain_memory_increase_reservation(int xc_handle,
kaf24@9660 434 uint32_t domid,
iap10@6688 435 unsigned long nr_extents,
iap10@6682 436 unsigned int extent_order,
iap10@6688 437 unsigned int address_bits,
kaf24@10276 438 xen_pfn_t *extent_start);
iap10@6688 439
iap10@6688 440 int xc_domain_memory_decrease_reservation(int xc_handle,
kaf24@9660 441 uint32_t domid,
iap10@6688 442 unsigned long nr_extents,
iap10@6688 443 unsigned int extent_order,
kaf24@10276 444 xen_pfn_t *extent_start);
iap10@6688 445
kaf24@8856 446 int xc_domain_memory_populate_physmap(int xc_handle,
kaf24@8856 447 uint32_t domid,
kaf24@8856 448 unsigned long nr_extents,
kaf24@8856 449 unsigned int extent_order,
kaf24@8856 450 unsigned int address_bits,
kaf24@10276 451 xen_pfn_t *extent_start);
kaf24@8856 452
kaf24@8856 453 int xc_domain_translate_gpfn_list(int xc_handle,
kaf24@8856 454 uint32_t domid,
kaf24@8856 455 unsigned long nr_gpfns,
kaf24@10276 456 xen_pfn_t *gpfn_list,
kaf24@10276 457 xen_pfn_t *mfn_list);
kaf24@8856 458
kaf24@7624 459 int xc_domain_ioport_permission(int xc_handle,
kaf24@7624 460 uint32_t domid,
kaf24@8121 461 uint32_t first_port,
kaf24@8121 462 uint32_t nr_ports,
kaf24@8121 463 uint32_t allow_access);
kaf24@7624 464
kaf24@8460 465 int xc_domain_irq_permission(int xc_handle,
kaf24@8460 466 uint32_t domid,
kaf24@8460 467 uint8_t pirq,
kaf24@8460 468 uint8_t allow_access);
kaf24@8460 469
kaf24@8460 470 int xc_domain_iomem_permission(int xc_handle,
kaf24@8460 471 uint32_t domid,
kaf24@8736 472 unsigned long first_mfn,
kaf24@8736 473 unsigned long nr_mfns,
kaf24@8460 474 uint8_t allow_access);
kaf24@8460 475
kaf24@10266 476 unsigned long xc_make_page_below_4G(int xc_handle, uint32_t domid,
kaf24@10266 477 unsigned long mfn);
kaf24@10266 478
kfraser@11257 479 typedef xen_sysctl_perfc_desc_t xc_perfc_desc_t;
kfraser@11257 480 typedef xen_sysctl_perfc_val_t xc_perfc_val_t;
kaf24@10953 481 /* IMPORTANT: The caller is responsible for mlock()'ing the @desc and @val
kaf24@10953 482 arrays. */
kaf24@3231 483 int xc_perfc_control(int xc_handle,
kaf24@7339 484 uint32_t op,
kaf24@10953 485 xc_perfc_desc_t *desc,
kaf24@10953 486 xc_perfc_val_t *val,
kaf24@10953 487 int *nbr_desc,
kaf24@10953 488 int *nbr_val);
mjw@1623 489
iap10@3443 490 /**
iap10@3443 491 * Memory maps a range within one domain to a local address range. Mappings
iap10@3443 492 * should be unmapped with munmap and should follow the same rules as mmap
rusty@4866 493 * regarding page alignment. Returns NULL on failure.
iap10@3443 494 *
iap10@3443 495 * In Linux, the ring queue for the control channel is accessible by mapping
iap10@3443 496 * the shared_info_frame (from xc_domain_getinfo()) + 2048. The structure
iap10@3443 497 * stored there is of type control_if_t.
iap10@3443 498 *
iap10@3443 499 * @parm xc_handle a handle on an open hypervisor interface
iap10@3443 500 * @parm dom the domain to map memory from
iap10@3443 501 * @parm size the amount of memory to map (in multiples of page size)
iap10@3443 502 * @parm prot same flag as in mmap().
iap10@3443 503 * @parm mfn the frame address to map.
iap10@3443 504 */
kaf24@7339 505 void *xc_map_foreign_range(int xc_handle, uint32_t dom,
iap10@2325 506 int size, int prot,
iap10@2325 507 unsigned long mfn );
iap10@2325 508
kaf24@7339 509 void *xc_map_foreign_batch(int xc_handle, uint32_t dom, int prot,
kaf24@10276 510 xen_pfn_t *arr, int num );
iap10@2325 511
Ian@8435 512 /**
Ian@8435 513 * Translates a virtual address in the context of a given domain and
Ian@8435 514 * vcpu returning the machine page frame number of the associated
Ian@8435 515 * page.
Ian@8435 516 *
Ian@8435 517 * @parm xc_handle a handle on an open hypervisor interface
Ian@8435 518 * @parm dom the domain to perform the translation in
Ian@8435 519 * @parm vcpu the vcpu to perform the translation on
Ian@8435 520 * @parm virt the virtual address to translate
Ian@8435 521 */
Ian@8435 522 unsigned long xc_translate_foreign_address(int xc_handle, uint32_t dom,
kaf24@9221 523 int vcpu, unsigned long long virt);
Ian@8435 524
kaf24@10276 525 int xc_get_pfn_list(int xc_handle, uint32_t domid, xen_pfn_t *pfn_buf,
cl349@4853 526 unsigned long max_pfns);
iap10@3390 527
awilliam@12005 528 unsigned long xc_ia64_fpsr_default(void);
awilliam@12005 529
kaf24@7339 530 int xc_ia64_get_pfn_list(int xc_handle, uint32_t domid,
kaf24@10276 531 xen_pfn_t *pfn_buf,
kaf24@7339 532 unsigned int start_page, unsigned int nr_pages);
kaf24@5914 533
djm@7536 534 int xc_copy_to_domain_page(int xc_handle, uint32_t domid,
kaf24@9221 535 unsigned long dst_pfn, const char *src_page);
djm@7536 536
kaf24@7786 537 int xc_clear_domain_page(int xc_handle, uint32_t domid,
kaf24@7786 538 unsigned long dst_pfn);
kaf24@7786 539
kaf24@7339 540 long xc_get_max_pages(int xc_handle, uint32_t domid);
djm@6856 541
cl349@6389 542 int xc_mmuext_op(int xc_handle, struct mmuext_op *op, unsigned int nr_ops,
kaf24@9221 543 domid_t dom);
cl349@6389 544
kaf24@6468 545 int xc_memory_op(int xc_handle, int cmd, void *arg);
cl349@6389 546
kaf24@7339 547 int xc_get_pfn_type_batch(int xc_handle, uint32_t dom,
kaf24@7339 548 int num, unsigned long *arr);
cl349@6389 549
cl349@6389 550
kaf24@5318 551 /* Get current total pages allocated to a domain. */
kaf24@7339 552 long xc_get_tot_pages(int xc_handle, uint32_t domid);
kaf24@5318 553
kaf24@7566 554
kaf24@7566 555 /*
kaf24@7566 556 * Trace Buffer Operations
kaf24@7566 557 */
kaf24@7566 558
kaf24@7566 559 /**
kaf24@9996 560 * xc_tbuf_enable - enable tracing buffers
kaf24@7566 561 *
kaf24@7566 562 * @parm xc_handle a handle to an open hypervisor interface
kaf24@9996 563 * @parm cnt size of tracing buffers to create (in pages)
kaf24@9996 564 * @parm mfn location to store mfn of the trace buffers to
kaf24@9996 565 * @parm size location to store the size (in bytes) of a trace buffer to
kaf24@9996 566 *
kaf24@9996 567 * Gets the machine address of the trace pointer area and the size of the
kaf24@9996 568 * per CPU buffers.
kaf24@7566 569 */
kaf24@9996 570 int xc_tbuf_enable(int xc_handle, size_t cnt, unsigned long *mfn,
kaf24@9996 571 unsigned long *size);
kaf24@9996 572
kaf24@9996 573 /*
kaf24@9996 574 * Disable tracing buffers.
kaf24@9996 575 */
kaf24@9996 576 int xc_tbuf_disable(int xc_handle);
kaf24@7566 577
kaf24@7566 578 /**
kaf24@7571 579 * This function sets the size of the trace buffers. Setting the size
kaf24@7571 580 * is currently a one-shot operation that may be performed either at boot
kaf24@7571 581 * time or via this interface, not both. The buffer size must be set before
kaf24@7571 582 * enabling tracing.
kaf24@7566 583 *
kaf24@7566 584 * @parm xc_handle a handle to an open hypervisor interface
kaf24@7566 585 * @parm size the size in pages per cpu for the trace buffers
kaf24@7566 586 * @return 0 on success, -1 on failure.
kaf24@7566 587 */
kaf24@9996 588 int xc_tbuf_set_size(int xc_handle, unsigned long size);
kaf24@7566 589
kaf24@7566 590 /**
kaf24@9660 591 * This function retrieves the current size of the trace buffers.
kaf24@7566 592 * Note that the size returned is in terms of bytes, not pages.
kaf24@7566 593
kaf24@7566 594 * @parm xc_handle a handle to an open hypervisor interface
kaf24@7566 595 * @parm size will contain the size in bytes for the trace buffers
kaf24@7566 596 * @return 0 on success, -1 on failure.
kaf24@7566 597 */
kaf24@9996 598 int xc_tbuf_get_size(int xc_handle, unsigned long *size);
kaf24@9907 599
kaf24@9907 600 int xc_tbuf_set_cpu_mask(int xc_handle, uint32_t mask);
kaf24@9907 601
kaf24@9907 602 int xc_tbuf_set_evt_mask(int xc_handle, uint32_t mask);
kaf24@7566 603
kfraser@11257 604 int xc_domctl(int xc_handle, struct xen_domctl *domctl);
kfraser@11257 605 int xc_sysctl(int xc_handle, struct xen_sysctl *sysctl);
cwc22@3985 606
vh249@6549 607 int xc_version(int xc_handle, int cmd, void *arg);
vh249@6549 608
cl349@6389 609 /*
cl349@6389 610 * MMU updates.
cl349@6389 611 */
cl349@6389 612 #define MAX_MMU_UPDATES 1024
cl349@6389 613 struct xc_mmu {
cl349@6389 614 mmu_update_t updates[MAX_MMU_UPDATES];
cl349@6389 615 int idx;
cl349@6389 616 domid_t subject;
cl349@6389 617 };
cl349@6389 618 typedef struct xc_mmu xc_mmu_t;
cl349@6389 619 xc_mmu_t *xc_init_mmu_updates(int xc_handle, domid_t dom);
kaf24@9660 620 int xc_add_mmu_update(int xc_handle, xc_mmu_t *mmu,
iap10@6680 621 unsigned long long ptr, unsigned long long val);
cl349@6389 622 int xc_finish_mmu_updates(int xc_handle, xc_mmu_t *mmu);
cl349@6389 623
kaf24@10057 624 int xc_acm_op(int xc_handle, int cmd, void *arg, size_t arg_size);
kaf24@9907 625
kaf24@10355 626 /*
kaf24@10355 627 * Return a handle to the event channel driver, or -1 on failure, in which case
kaf24@10355 628 * errno will be set appropriately.
kaf24@10355 629 */
kaf24@10355 630 int xc_evtchn_open(void);
kaf24@10355 631
kaf24@10355 632 /*
kaf24@10355 633 * Close a handle previously allocated with xc_evtchn_open().
kaf24@10355 634 */
kaf24@10355 635 int xc_evtchn_close(int xce_handle);
kaf24@10355 636
kaf24@10355 637 /*
kaf24@10355 638 * Return an fd that can be select()ed on for further calls to
kaf24@10355 639 * xc_evtchn_pending().
kaf24@10355 640 */
kaf24@10355 641 int xc_evtchn_fd(int xce_handle);
kaf24@10355 642
kaf24@10355 643 /*
kaf24@10355 644 * Notify the given event channel. Returns -1 on failure, in which case
kaf24@10355 645 * errno will be set appropriately.
kaf24@10355 646 */
kaf24@10355 647 int xc_evtchn_notify(int xce_handle, evtchn_port_t port);
kaf24@10355 648
kaf24@10355 649 /*
kaf24@10355 650 * Returns a new event port bound to the remote port for the given domain ID,
kaf24@10355 651 * or -1 on failure, in which case errno will be set appropriately.
kaf24@10355 652 */
kaf24@10355 653 evtchn_port_t xc_evtchn_bind_interdomain(int xce_handle, int domid,
kaf24@10355 654 evtchn_port_t remote_port);
kaf24@10355 655
kaf24@10355 656 /*
kaf24@10355 657 * Unbind the given event channel. Returns -1 on failure, in which case errno
kaf24@10355 658 * will be set appropriately.
kaf24@10355 659 */
kaf24@10355 660 int xc_evtchn_unbind(int xce_handle, evtchn_port_t port);
kaf24@10355 661
kaf24@10355 662 /*
kaf24@10355 663 * Bind an event channel to the given VIRQ. Returns the event channel bound to
kaf24@10355 664 * the VIRQ, or -1 on failure, in which case errno will be set appropriately.
kaf24@10355 665 */
kaf24@10355 666 evtchn_port_t xc_evtchn_bind_virq(int xce_handle, unsigned int virq);
kaf24@10355 667
kaf24@10355 668 /*
kaf24@10355 669 * Return the next event channel to become pending, or -1 on failure, in which
kaf24@10355 670 * case errno will be set appropriately.
kaf24@10355 671 */
kaf24@10355 672 evtchn_port_t xc_evtchn_pending(int xce_handle);
kaf24@10355 673
kaf24@10355 674 /*
kaf24@10355 675 * Unmask the given event channel. Returns -1 on failure, in which case errno
kaf24@10355 676 * will be set appropriately.
kaf24@10355 677 */
kaf24@10355 678 int xc_evtchn_unmask(int xce_handle, evtchn_port_t port);
kaf24@10355 679
cl349@6389 680 #endif