direct-io.hg

annotate tools/libxc/xenctrl.h @ 10276:b3d901ba705d

Represent PFNs with their own type, rather than 'unsigned long'.
('long' changes size and alignment between 32- and 64-bit ABIs.)
Signed-off-by: Hollis Blanchard <hollisb@us.ibm.com>
author kaf24@firebug.cl.cam.ac.uk
date Tue Jun 06 09:48:17 2006 +0100 (2006-06-06)
parents 8aca850f66ad
children 7fba181c8531
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@9999 12 #include <stddef.h>
kaf24@3266 13 #include <stdint.h>
kaf24@4719 14 #include <sys/ptrace.h>
kaf24@2821 15 #include <xen/xen.h>
kaf24@2821 16 #include <xen/dom0_ops.h>
vh249@6549 17 #include <xen/version.h>
kaf24@2821 18 #include <xen/event_channel.h>
kaf24@7196 19 #include <xen/sched.h>
kaf24@2821 20 #include <xen/sched_ctl.h>
smh22@7702 21 #include <xen/memory.h>
kaf24@5541 22 #include <xen/acm.h>
kaf24@9907 23 #include <xen/acm_ops.h>
kaf24@2787 24
kaf24@5914 25 #ifdef __ia64__
kaf24@5914 26 #define XC_PAGE_SHIFT 14
kaf24@5914 27 #else
kaf24@5914 28 #define XC_PAGE_SHIFT 12
kaf24@5914 29 #endif
kaf24@5914 30 #define XC_PAGE_SIZE (1UL << XC_PAGE_SHIFT)
kaf24@5914 31 #define XC_PAGE_MASK (~(XC_PAGE_SIZE-1))
kaf24@5914 32
kaf24@3961 33 /*
kaf24@3961 34 * DEFINITIONS FOR CPU BARRIERS
kaf24@9660 35 */
kaf24@3961 36
kaf24@3961 37 #if defined(__i386__)
kaf24@3966 38 #define mb() __asm__ __volatile__ ( "lock; addl $0,0(%%esp)" : : : "memory" )
kaf24@3966 39 #define rmb() __asm__ __volatile__ ( "lock; addl $0,0(%%esp)" : : : "memory" )
kaf24@3966 40 #define wmb() __asm__ __volatile__ ( "" : : : "memory")
kaf24@3961 41 #elif defined(__x86_64__)
kaf24@3966 42 #define mb() __asm__ __volatile__ ( "mfence" : : : "memory")
kaf24@3966 43 #define rmb() __asm__ __volatile__ ( "lfence" : : : "memory")
kaf24@3966 44 #define wmb() __asm__ __volatile__ ( "" : : : "memory")
kaf24@5914 45 #elif defined(__ia64__)
kaf24@5914 46 /* FIXME */
kaf24@5914 47 #define mb()
kaf24@5914 48 #define rmb()
kaf24@5914 49 #define wmb()
kaf24@3961 50 #else
kaf24@3961 51 #error "Define barriers"
kaf24@3961 52 #endif
kaf24@3961 53
kaf24@3961 54 /*
iap10@3443 55 * INITIALIZATION FUNCTIONS
kaf24@9660 56 */
iap10@3443 57
iap10@3443 58 /**
iap10@3443 59 * This function opens a handle to the hypervisor interface. This function can
iap10@3443 60 * be called multiple times within a single process. Multiple processes can
iap10@3443 61 * have an open hypervisor interface at the same time.
iap10@3443 62 *
iap10@3443 63 * Each call to this function should have a corresponding call to
iap10@3443 64 * xc_interface_close().
iap10@3443 65 *
iap10@3443 66 * This function can fail if the caller does not have superuser permission or
iap10@3443 67 * if a Xen-enabled kernel is not currently running.
iap10@3443 68 *
iap10@3443 69 * @return a handle to the hypervisor interface or -1 on failure
iap10@3443 70 */
mjw@1623 71 int xc_interface_open(void);
iap10@3443 72
iap10@3443 73 /**
iap10@3443 74 * This function closes an open hypervisor interface.
iap10@3443 75 *
iap10@3443 76 * This function can fail if the handle does not represent an open interface or
iap10@3443 77 * if there were problems closing the interface.
iap10@3443 78 *
iap10@3443 79 * @parm xc_handle a handle to an open hypervisor interface
iap10@3443 80 * @return 0 on success, -1 otherwise.
iap10@3443 81 */
mjw@1623 82 int xc_interface_close(int xc_handle);
mjw@1623 83
kaf24@3961 84 /*
kaf24@4719 85 * DOMAIN DEBUGGING FUNCTIONS
kaf24@4719 86 */
kaf24@4719 87
kaf24@4719 88 typedef struct xc_core_header {
kaf24@4719 89 unsigned int xch_magic;
kaf24@4719 90 unsigned int xch_nr_vcpus;
kaf24@4719 91 unsigned int xch_nr_pages;
kaf24@4719 92 unsigned int xch_ctxt_offset;
kaf24@4719 93 unsigned int xch_index_offset;
kaf24@4719 94 unsigned int xch_pages_offset;
kaf24@4719 95 } xc_core_header_t;
kaf24@4719 96
kaf24@9145 97 #define XC_CORE_MAGIC 0xF00FEBED
kaf24@4719 98
kaf24@6941 99 long xc_ptrace_core(
kaf24@6941 100 int xc_handle,
kaf24@9660 101 enum __ptrace_request request,
kaf24@9660 102 uint32_t domid,
kaf24@9660 103 long addr,
kaf24@9143 104 long data,
kaf24@9143 105 vcpu_guest_context_t *ctxt);
kaf24@9143 106 void * map_domain_va_core(
kaf24@9660 107 unsigned long domfd,
kaf24@9660 108 int cpu,
kaf24@9143 109 void *guest_va,
kaf24@9143 110 vcpu_guest_context_t *ctxt);
kaf24@6941 111 int xc_waitdomain_core(
kaf24@6941 112 int xc_handle,
kaf24@9660 113 int domain,
kaf24@9660 114 int *status,
kaf24@9143 115 int options,
kaf24@9143 116 vcpu_guest_context_t *ctxt);
kaf24@4719 117
kaf24@4719 118 /*
iap10@3443 119 * DOMAIN MANAGEMENT FUNCTIONS
kaf24@3961 120 */
iap10@3443 121
mjw@1623 122 typedef struct {
kaf24@7378 123 uint32_t domid;
kaf24@7378 124 uint32_t ssidref;
kaf24@9660 125 unsigned int dying:1, crashed:1, shutdown:1,
mjw@1623 126 paused:1, blocked:1, running:1;
mjw@1623 127 unsigned int shutdown_reason; /* only meaningful if shutdown==1 */
mjw@1623 128 unsigned long nr_pages;
mjw@1623 129 unsigned long shared_info_frame;
kaf24@7378 130 uint64_t cpu_time;
mjw@1623 131 unsigned long max_memkb;
kaf24@7397 132 unsigned int nr_online_vcpus;
kaf24@7397 133 unsigned int max_vcpu_id;
kaf24@7378 134 xen_domain_handle_t handle;
mjw@1623 135 } xc_dominfo_t;
mjw@1623 136
kaf24@2787 137 typedef dom0_getdomaininfo_t xc_domaininfo_t;
kaf24@9660 138 int xc_domain_create(int xc_handle,
kaf24@7339 139 uint32_t ssidref,
kaf24@7378 140 xen_domain_handle_t handle,
kaf24@7339 141 uint32_t *pdomid);
iap10@3443 142
kaf24@4719 143
kaf24@9221 144 /* Functions to produce a dump of a given domain
kaf24@9221 145 * xc_domain_dumpcore - produces a dump to a specified file
kaf24@9221 146 * xc_domain_dumpcore_via_callback - produces a dump, using a specified
kaf24@9221 147 * callback function
kaf24@9221 148 */
kaf24@9660 149 int xc_domain_dumpcore(int xc_handle,
kaf24@7339 150 uint32_t domid,
cl349@4853 151 const char *corename);
kaf24@4719 152
kaf24@9221 153 /* Define the callback function type for xc_domain_dumpcore_via_callback.
kaf24@9221 154 *
kaf24@9221 155 * This function is called by the coredump code for every "write",
kaf24@9221 156 * and passes an opaque object for the use of the function and
kaf24@9221 157 * created by the caller of xc_domain_dumpcore_via_callback.
kaf24@9221 158 */
kaf24@9221 159 typedef int (dumpcore_rtn_t)(void *arg, char *buffer, unsigned int length);
kaf24@9221 160
kaf24@9660 161 int xc_domain_dumpcore_via_callback(int xc_handle,
kaf24@9221 162 uint32_t domid,
kaf24@9221 163 void *arg,
kaf24@9221 164 dumpcore_rtn_t dump_rtn);
kaf24@9221 165
kaf24@7354 166 /*
kaf24@7566 167 * This function sets the maximum number of vcpus that a domain may create.
kaf24@7354 168 *
kaf24@7354 169 * @parm xc_handle a handle to an open hypervisor interface.
kaf24@7354 170 * @parm domid the domain id in which vcpus are to be created.
kaf24@7354 171 * @parm max the maximum number of vcpus that the domain may create.
kaf24@7354 172 * @return 0 on success, -1 on failure.
kaf24@7354 173 */
kaf24@7354 174 int xc_domain_max_vcpus(int xc_handle,
kaf24@9660 175 uint32_t domid,
kaf24@7354 176 unsigned int max);
kaf24@4719 177
iap10@3443 178 /**
iap10@3443 179 * This function pauses a domain. A paused domain still exists in memory
iap10@3443 180 * however it does not receive any timeslices from the hypervisor.
iap10@3443 181 *
iap10@3443 182 * @parm xc_handle a handle to an open hypervisor interface
iap10@3443 183 * @parm domid the domain id to pause
iap10@3443 184 * @return 0 on success, -1 on failure.
iap10@3443 185 */
kaf24@9660 186 int xc_domain_pause(int xc_handle,
kaf24@7339 187 uint32_t domid);
iap10@3443 188 /**
iap10@3443 189 * This function unpauses a domain. The domain should have been previously
iap10@3443 190 * paused.
iap10@3443 191 *
iap10@3443 192 * @parm xc_handle a handle to an open hypervisor interface
iap10@3443 193 * @parm domid the domain id to unpause
iap10@3443 194 * return 0 on success, -1 on failure
iap10@3443 195 */
kaf24@9660 196 int xc_domain_unpause(int xc_handle,
kaf24@7339 197 uint32_t domid);
iap10@3443 198
iap10@3443 199 /**
iap10@3443 200 * This function will destroy a domain. Destroying a domain removes the domain
iap10@3443 201 * completely from memory. This function should be called after sending the
iap10@3443 202 * domain a SHUTDOWN control message to free up the domain resources.
iap10@3443 203 *
iap10@3443 204 * @parm xc_handle a handle to an open hypervisor interface
iap10@3443 205 * @parm domid the domain id to destroy
iap10@3443 206 * @return 0 on success, -1 on failure
iap10@3443 207 */
kaf24@9660 208 int xc_domain_destroy(int xc_handle,
kaf24@7339 209 uint32_t domid);
kaf24@8500 210
kaf24@9560 211 /**
kaf24@9560 212 * This function will shutdown a domain. This is intended for use in
kaf24@9560 213 * fully-virtualized domains where this operation is analogous to the
kaf24@9560 214 * sched_op operations in a paravirtualized domain. The caller is
kaf24@9560 215 * expected to give the reason for the shutdown.
kaf24@9560 216 *
kaf24@9560 217 * @parm xc_handle a handle to an open hypervisor interface
kaf24@9560 218 * @parm domid the domain id to destroy
kaf24@9560 219 * @parm reason is the reason (SHUTDOWN_xxx) for the shutdown
kaf24@9560 220 * @return 0 on success, -1 on failure
kaf24@9560 221 */
kaf24@9660 222 int xc_domain_shutdown(int xc_handle,
kaf24@9560 223 uint32_t domid,
kaf24@9560 224 int reason);
kaf24@9560 225
kaf24@8500 226 int xc_vcpu_setaffinity(int xc_handle,
kaf24@8500 227 uint32_t domid,
kaf24@8500 228 int vcpu,
kaf24@8500 229 cpumap_t cpumap);
kaf24@7378 230
iap10@3443 231 /**
dsteklof@5498 232 * This function will return information about one or more domains. It is
dsteklof@5498 233 * designed to iterate over the list of domains. If a single domain is
dsteklof@5498 234 * requested, this function will return the next domain in the list - if
dsteklof@5498 235 * one exists. It is, therefore, important in this case to make sure the
dsteklof@5498 236 * domain requested was the one returned.
iap10@3443 237 *
iap10@3443 238 * @parm xc_handle a handle to an open hypervisor interface
iap10@3443 239 * @parm first_domid the first domain to enumerate information from. Domains
iap10@3443 240 * are currently enumerate in order of creation.
iap10@3443 241 * @parm max_doms the number of elements in info
iap10@3443 242 * @parm info an array of max_doms size that will contain the information for
iap10@3443 243 * the enumerated domains.
iap10@3443 244 * @return the number of domains enumerated or -1 on error
iap10@3443 245 */
mjw@1623 246 int xc_domain_getinfo(int xc_handle,
kaf24@9660 247 uint32_t first_domid,
mjw@1623 248 unsigned int max_doms,
mjw@1623 249 xc_dominfo_t *info);
iap10@3443 250
kaf24@8381 251
kaf24@8381 252 /**
kaf24@8500 253 * This function will set the execution context for the specified vcpu.
kaf24@8381 254 *
kaf24@8381 255 * @parm xc_handle a handle to an open hypervisor interface
kaf24@8381 256 * @parm domid the domain to set the vcpu context for
kaf24@8381 257 * @parm vcpu the vcpu number for the context
kaf24@8381 258 * @parm ctxt pointer to the the cpu context with the values to set
kaf24@8381 259 * @return the number of domains enumerated or -1 on error
kaf24@8381 260 */
kaf24@8500 261 int xc_vcpu_setcontext(int xc_handle,
kaf24@8500 262 uint32_t domid,
kaf24@8500 263 uint32_t vcpu,
kaf24@8500 264 vcpu_guest_context_t *ctxt);
iap10@3443 265 /**
kaf24@5699 266 * This function will return information about one or more domains, using a
kaf24@5699 267 * single hypercall. The domain information will be stored into the supplied
kaf24@5699 268 * array of xc_domaininfo_t structures.
kaf24@5699 269 *
kaf24@5699 270 * @parm xc_handle a handle to an open hypervisor interface
kaf24@5699 271 * @parm first_domain the first domain to enumerate information from.
kaf24@5699 272 * Domains are currently enumerate in order of creation.
kaf24@5699 273 * @parm max_domains the number of elements in info
kaf24@5699 274 * @parm info an array of max_doms size that will contain the information for
kaf24@5699 275 * the enumerated domains.
kaf24@5699 276 * @return the number of domains enumerated or -1 on error
kaf24@5699 277 */
kaf24@5699 278 int xc_domain_getinfolist(int xc_handle,
kaf24@7339 279 uint32_t first_domain,
kaf24@5699 280 unsigned int max_domains,
kaf24@5699 281 xc_domaininfo_t *info);
kaf24@5699 282
kaf24@5699 283 /**
emellor@7404 284 * This function returns information about the execution context of a
emellor@7404 285 * particular vcpu of a domain.
iap10@3443 286 *
iap10@3443 287 * @parm xc_handle a handle to an open hypervisor interface
iap10@3443 288 * @parm domid the domain to get information from
emellor@7404 289 * @parm vcpu the vcpu number
iap10@3443 290 * @parm ctxt a pointer to a structure to store the execution context of the
iap10@3443 291 * domain
iap10@3443 292 * @return 0 on success, -1 on failure
iap10@3443 293 */
kaf24@8500 294 int xc_vcpu_getcontext(int xc_handle,
kaf24@7339 295 uint32_t domid,
kaf24@7339 296 uint32_t vcpu,
cl349@4853 297 vcpu_guest_context_t *ctxt);
cl349@4849 298
kaf24@7397 299 typedef dom0_getvcpuinfo_t xc_vcpuinfo_t;
kaf24@8500 300 int xc_vcpu_getinfo(int xc_handle,
kaf24@8500 301 uint32_t domid,
kaf24@8500 302 uint32_t vcpu,
kaf24@8500 303 xc_vcpuinfo_t *info);
kaf24@7397 304
gm281@2236 305 int xc_domain_setcpuweight(int xc_handle,
kaf24@7339 306 uint32_t domid,
gm281@2236 307 float weight);
kaf24@2787 308 long long xc_domain_get_cpu_usage(int xc_handle,
mafetter@3435 309 domid_t domid,
mafetter@3435 310 int vcpu);
mjw@1623 311
kaf24@9660 312 int xc_domain_sethandle(int xc_handle, uint32_t domid,
kaf24@7379 313 xen_domain_handle_t handle);
kaf24@2787 314
kaf24@2787 315 typedef dom0_shadow_control_stats_t xc_shadow_control_stats_t;
mjw@1623 316 int xc_shadow_control(int xc_handle,
kaf24@9660 317 uint32_t domid,
mjw@1623 318 unsigned int sop,
mjw@1623 319 unsigned long *dirty_bitmap,
mjw@1623 320 unsigned long pages,
mjw@1623 321 xc_shadow_control_stats_t *stats);
mjw@1623 322
mjw@1623 323 int xc_bvtsched_global_set(int xc_handle,
mjw@1623 324 unsigned long ctx_allow);
mjw@1623 325
mjw@1623 326 int xc_bvtsched_domain_set(int xc_handle,
kaf24@7339 327 uint32_t domid,
kaf24@7339 328 uint32_t mcuadv,
gm281@2058 329 int warpback,
kaf24@7339 330 int32_t warpvalue,
gm281@2058 331 long long warpl,
gm281@2058 332 long long warpu);
mjw@1623 333
mjw@1623 334 int xc_bvtsched_global_get(int xc_handle,
mjw@1623 335 unsigned long *ctx_allow);
mjw@1623 336
mjw@1623 337 int xc_bvtsched_domain_get(int xc_handle,
kaf24@7339 338 uint32_t domid,
kaf24@7339 339 uint32_t *mcuadv,
gm281@2058 340 int *warpback,
kaf24@7339 341 int32_t *warpvalue,
gm281@2058 342 long long *warpl,
gm281@2058 343 long long *warpu);
mjw@1623 344
sd386@3449 345 int xc_sedf_domain_set(int xc_handle,
kaf24@7339 346 uint32_t domid,
kaf24@7339 347 uint64_t period, uint64_t slice,
kaf24@7339 348 uint64_t latency, uint16_t extratime,
kaf24@7339 349 uint16_t weight);
sd386@3449 350
sd386@3449 351 int xc_sedf_domain_get(int xc_handle,
kaf24@7339 352 uint32_t domid,
kaf24@7339 353 uint64_t* period, uint64_t *slice,
kaf24@7339 354 uint64_t *latency, uint16_t *extratime,
kaf24@7339 355 uint16_t *weight);
sd386@3449 356
kaf24@10174 357 int xc_sched_credit_domain_set(int xc_handle,
kaf24@10174 358 uint32_t domid,
kaf24@10174 359 struct sched_credit_adjdom *sdom);
ack@10168 360
kaf24@10174 361 int xc_sched_credit_domain_get(int xc_handle,
kaf24@10174 362 uint32_t domid,
kaf24@10174 363 struct sched_credit_adjdom *sdom);
ack@10168 364
kaf24@2787 365 typedef evtchn_status_t xc_evtchn_status_t;
iap10@3443 366
kaf24@3961 367 /*
iap10@3443 368 * EVENT CHANNEL FUNCTIONS
kaf24@3961 369 */
iap10@3443 370
iap10@3443 371 /**
iap10@3443 372 * This function allocates an unbound port. Ports are named endpoints used for
iap10@3443 373 * interdomain communication. This function is most useful in opening a
iap10@3443 374 * well-known port within a domain to receive events on.
iap10@3443 375 *
iap10@3443 376 * @parm xc_handle a handle to an open hypervisor interface
kaf24@7223 377 * @parm dom the ID of the local domain (the 'allocatee')
kaf24@7237 378 * @parm remote_dom the ID of the domain who will later bind
kaf24@7237 379 * @return allocated port (in @dom) on success, -1 on failure
iap10@3443 380 */
kaf24@2713 381 int xc_evtchn_alloc_unbound(int xc_handle,
kaf24@7339 382 uint32_t dom,
kaf24@7339 383 uint32_t remote_dom);
iap10@3443 384
mjw@1623 385 int xc_evtchn_status(int xc_handle,
kaf24@7339 386 uint32_t dom, /* may be DOMID_SELF */
kaf24@8151 387 evtchn_port_t port,
mjw@1623 388 xc_evtchn_status_t *status);
mjw@1623 389
mjw@1623 390 int xc_physdev_pci_access_modify(int xc_handle,
kaf24@7339 391 uint32_t domid,
mjw@1623 392 int bus,
mjw@1623 393 int dev,
mjw@1623 394 int func,
mjw@1623 395 int enable);
mjw@1623 396
mjw@1623 397 int xc_readconsolering(int xc_handle,
kaf24@5327 398 char **pbuffer,
kaf24@9660 399 unsigned int *pnr_chars,
mjw@1623 400 int clear);
mjw@1623 401
kaf24@2787 402 typedef dom0_physinfo_t xc_physinfo_t;
mjw@1623 403 int xc_physinfo(int xc_handle,
mjw@1623 404 xc_physinfo_t *info);
mjw@1623 405
gm281@2236 406 int xc_sched_id(int xc_handle,
gm281@2236 407 int *sched_id);
gm281@2236 408
mjw@1623 409 int xc_domain_setmaxmem(int xc_handle,
kaf24@9660 410 uint32_t domid,
kaf24@3231 411 unsigned int max_memkb);
mjw@1623 412
cl349@5045 413 int xc_domain_memory_increase_reservation(int xc_handle,
kaf24@9660 414 uint32_t domid,
iap10@6688 415 unsigned long nr_extents,
iap10@6682 416 unsigned int extent_order,
iap10@6688 417 unsigned int address_bits,
kaf24@10276 418 xen_pfn_t *extent_start);
iap10@6688 419
iap10@6688 420 int xc_domain_memory_decrease_reservation(int xc_handle,
kaf24@9660 421 uint32_t domid,
iap10@6688 422 unsigned long nr_extents,
iap10@6688 423 unsigned int extent_order,
kaf24@10276 424 xen_pfn_t *extent_start);
iap10@6688 425
kaf24@8856 426 int xc_domain_memory_populate_physmap(int xc_handle,
kaf24@8856 427 uint32_t domid,
kaf24@8856 428 unsigned long nr_extents,
kaf24@8856 429 unsigned int extent_order,
kaf24@8856 430 unsigned int address_bits,
kaf24@10276 431 xen_pfn_t *extent_start);
kaf24@8856 432
kaf24@8856 433 int xc_domain_translate_gpfn_list(int xc_handle,
kaf24@8856 434 uint32_t domid,
kaf24@8856 435 unsigned long nr_gpfns,
kaf24@10276 436 xen_pfn_t *gpfn_list,
kaf24@10276 437 xen_pfn_t *mfn_list);
kaf24@8856 438
kaf24@7624 439 int xc_domain_ioport_permission(int xc_handle,
kaf24@7624 440 uint32_t domid,
kaf24@8121 441 uint32_t first_port,
kaf24@8121 442 uint32_t nr_ports,
kaf24@8121 443 uint32_t allow_access);
kaf24@7624 444
kaf24@8460 445 int xc_domain_irq_permission(int xc_handle,
kaf24@8460 446 uint32_t domid,
kaf24@8460 447 uint8_t pirq,
kaf24@8460 448 uint8_t allow_access);
kaf24@8460 449
kaf24@8460 450 int xc_domain_iomem_permission(int xc_handle,
kaf24@8460 451 uint32_t domid,
kaf24@8736 452 unsigned long first_mfn,
kaf24@8736 453 unsigned long nr_mfns,
kaf24@8460 454 uint8_t allow_access);
kaf24@8460 455
kaf24@10266 456 unsigned long xc_make_page_below_4G(int xc_handle, uint32_t domid,
kaf24@10266 457 unsigned long mfn);
kaf24@10266 458
kaf24@3231 459 typedef dom0_perfc_desc_t xc_perfc_desc_t;
kaf24@3231 460 /* IMPORTANT: The caller is responsible for mlock()'ing the @desc array. */
kaf24@3231 461 int xc_perfc_control(int xc_handle,
kaf24@7339 462 uint32_t op,
kaf24@3231 463 xc_perfc_desc_t *desc);
mjw@1623 464
rneugeba@3963 465 /* read/write msr */
rneugeba@3963 466 long long xc_msr_read(int xc_handle, int cpu_mask, int msr);
rneugeba@3963 467 int xc_msr_write(int xc_handle, int cpu_mask, int msr, unsigned int low,
rneugeba@3963 468 unsigned int high);
rneugeba@3963 469
iap10@3443 470 /**
iap10@3443 471 * Memory maps a range within one domain to a local address range. Mappings
iap10@3443 472 * should be unmapped with munmap and should follow the same rules as mmap
rusty@4866 473 * regarding page alignment. Returns NULL on failure.
iap10@3443 474 *
iap10@3443 475 * In Linux, the ring queue for the control channel is accessible by mapping
iap10@3443 476 * the shared_info_frame (from xc_domain_getinfo()) + 2048. The structure
iap10@3443 477 * stored there is of type control_if_t.
iap10@3443 478 *
iap10@3443 479 * @parm xc_handle a handle on an open hypervisor interface
iap10@3443 480 * @parm dom the domain to map memory from
iap10@3443 481 * @parm size the amount of memory to map (in multiples of page size)
iap10@3443 482 * @parm prot same flag as in mmap().
iap10@3443 483 * @parm mfn the frame address to map.
iap10@3443 484 */
kaf24@7339 485 void *xc_map_foreign_range(int xc_handle, uint32_t dom,
iap10@2325 486 int size, int prot,
iap10@2325 487 unsigned long mfn );
iap10@2325 488
kaf24@7339 489 void *xc_map_foreign_batch(int xc_handle, uint32_t dom, int prot,
kaf24@10276 490 xen_pfn_t *arr, int num );
iap10@2325 491
Ian@8435 492 /**
Ian@8435 493 * Translates a virtual address in the context of a given domain and
Ian@8435 494 * vcpu returning the machine page frame number of the associated
Ian@8435 495 * page.
Ian@8435 496 *
Ian@8435 497 * @parm xc_handle a handle on an open hypervisor interface
Ian@8435 498 * @parm dom the domain to perform the translation in
Ian@8435 499 * @parm vcpu the vcpu to perform the translation on
Ian@8435 500 * @parm virt the virtual address to translate
Ian@8435 501 */
Ian@8435 502 unsigned long xc_translate_foreign_address(int xc_handle, uint32_t dom,
kaf24@9221 503 int vcpu, unsigned long long virt);
Ian@8435 504
kaf24@10276 505 int xc_get_pfn_list(int xc_handle, uint32_t domid, xen_pfn_t *pfn_buf,
cl349@4853 506 unsigned long max_pfns);
iap10@3390 507
kaf24@7339 508 int xc_ia64_get_pfn_list(int xc_handle, uint32_t domid,
kaf24@10276 509 xen_pfn_t *pfn_buf,
kaf24@7339 510 unsigned int start_page, unsigned int nr_pages);
kaf24@5914 511
djm@7536 512 int xc_copy_to_domain_page(int xc_handle, uint32_t domid,
kaf24@9221 513 unsigned long dst_pfn, const char *src_page);
djm@7536 514
kaf24@7786 515 int xc_clear_domain_page(int xc_handle, uint32_t domid,
kaf24@7786 516 unsigned long dst_pfn);
kaf24@7786 517
djm@7536 518 int xc_ia64_copy_to_domain_pages(int xc_handle, uint32_t domid,
djm@7536 519 void* src_page, unsigned long dst_pfn, int nr_pages);
djm@7536 520
kaf24@7339 521 long xc_get_max_pages(int xc_handle, uint32_t domid);
djm@6856 522
cl349@6389 523 int xc_mmuext_op(int xc_handle, struct mmuext_op *op, unsigned int nr_ops,
kaf24@9221 524 domid_t dom);
cl349@6389 525
kaf24@6468 526 int xc_memory_op(int xc_handle, int cmd, void *arg);
cl349@6389 527
kaf24@7339 528 int xc_get_pfn_type_batch(int xc_handle, uint32_t dom,
kaf24@7339 529 int num, unsigned long *arr);
cl349@6389 530
cl349@6389 531
kaf24@5318 532 /* Get current total pages allocated to a domain. */
kaf24@7339 533 long xc_get_tot_pages(int xc_handle, uint32_t domid);
kaf24@5318 534
kaf24@7566 535
kaf24@7566 536 /*
kaf24@7566 537 * Trace Buffer Operations
kaf24@7566 538 */
kaf24@7566 539
kaf24@7566 540 /**
kaf24@9996 541 * xc_tbuf_enable - enable tracing buffers
kaf24@7566 542 *
kaf24@7566 543 * @parm xc_handle a handle to an open hypervisor interface
kaf24@9996 544 * @parm cnt size of tracing buffers to create (in pages)
kaf24@9996 545 * @parm mfn location to store mfn of the trace buffers to
kaf24@9996 546 * @parm size location to store the size (in bytes) of a trace buffer to
kaf24@9996 547 *
kaf24@9996 548 * Gets the machine address of the trace pointer area and the size of the
kaf24@9996 549 * per CPU buffers.
kaf24@7566 550 */
kaf24@9996 551 int xc_tbuf_enable(int xc_handle, size_t cnt, unsigned long *mfn,
kaf24@9996 552 unsigned long *size);
kaf24@9996 553
kaf24@9996 554 /*
kaf24@9996 555 * Disable tracing buffers.
kaf24@9996 556 */
kaf24@9996 557 int xc_tbuf_disable(int xc_handle);
kaf24@7566 558
kaf24@7566 559 /**
kaf24@7571 560 * This function sets the size of the trace buffers. Setting the size
kaf24@7571 561 * is currently a one-shot operation that may be performed either at boot
kaf24@7571 562 * time or via this interface, not both. The buffer size must be set before
kaf24@7571 563 * enabling tracing.
kaf24@7566 564 *
kaf24@7566 565 * @parm xc_handle a handle to an open hypervisor interface
kaf24@7566 566 * @parm size the size in pages per cpu for the trace buffers
kaf24@7566 567 * @return 0 on success, -1 on failure.
kaf24@7566 568 */
kaf24@9996 569 int xc_tbuf_set_size(int xc_handle, unsigned long size);
kaf24@7566 570
kaf24@7566 571 /**
kaf24@9660 572 * This function retrieves the current size of the trace buffers.
kaf24@7566 573 * Note that the size returned is in terms of bytes, not pages.
kaf24@7566 574
kaf24@7566 575 * @parm xc_handle a handle to an open hypervisor interface
kaf24@7566 576 * @parm size will contain the size in bytes for the trace buffers
kaf24@7566 577 * @return 0 on success, -1 on failure.
kaf24@7566 578 */
kaf24@9996 579 int xc_tbuf_get_size(int xc_handle, unsigned long *size);
kaf24@9907 580
kaf24@9907 581 int xc_tbuf_set_cpu_mask(int xc_handle, uint32_t mask);
kaf24@9907 582
kaf24@9907 583 int xc_tbuf_set_evt_mask(int xc_handle, uint32_t mask);
kaf24@7566 584
kaf24@5318 585 /* Execute a privileged dom0 operation. */
kaf24@5318 586 int xc_dom0_op(int xc_handle, dom0_op_t *op);
cwc22@3985 587
vh249@6549 588 int xc_version(int xc_handle, int cmd, void *arg);
vh249@6549 589
cl349@6389 590 /*
cl349@6389 591 * MMU updates.
cl349@6389 592 */
cl349@6389 593 #define MAX_MMU_UPDATES 1024
cl349@6389 594 struct xc_mmu {
cl349@6389 595 mmu_update_t updates[MAX_MMU_UPDATES];
cl349@6389 596 int idx;
cl349@6389 597 domid_t subject;
cl349@6389 598 };
cl349@6389 599 typedef struct xc_mmu xc_mmu_t;
cl349@6389 600 xc_mmu_t *xc_init_mmu_updates(int xc_handle, domid_t dom);
kaf24@9660 601 int xc_add_mmu_update(int xc_handle, xc_mmu_t *mmu,
iap10@6680 602 unsigned long long ptr, unsigned long long val);
cl349@6389 603 int xc_finish_mmu_updates(int xc_handle, xc_mmu_t *mmu);
cl349@6389 604
kaf24@10057 605 int xc_acm_op(int xc_handle, int cmd, void *arg, size_t arg_size);
kaf24@9907 606
cl349@6389 607 #endif