direct-io.hg

annotate tools/libxc/xenctrl.h @ 8856:0d10fac28427

New memory_op subcall XENMEM_translate_gpfn_list.

Allows translation from GPFNs to MFNs for an auto-translated
guest.

Signed-off-by: Keir Fraser <keir@xensource.com>
author kaf24@firebug.cl.cam.ac.uk
date Thu Feb 16 18:52:06 2006 +0100 (2006-02-16)
parents 8aeb417387ca
children 8ed131452f27
rev   line source
mjw@1623 1 /******************************************************************************
cl349@6388 2 * xenctrl.h
mjw@1623 3 *
mjw@1623 4 * A library for low-level access to the Xen control interfaces.
mjw@1623 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@3266 12 #include <stdint.h>
kaf24@4719 13 #include <sys/ptrace.h>
kaf24@2821 14 #include <xen/xen.h>
kaf24@2821 15 #include <xen/dom0_ops.h>
vh249@6549 16 #include <xen/version.h>
kaf24@2821 17 #include <xen/event_channel.h>
kaf24@7196 18 #include <xen/sched.h>
kaf24@2821 19 #include <xen/sched_ctl.h>
smh22@7702 20 #include <xen/memory.h>
kaf24@5541 21 #include <xen/acm.h>
kaf24@2787 22
kaf24@5914 23 #ifdef __ia64__
kaf24@5914 24 #define XC_PAGE_SHIFT 14
kaf24@5914 25 #else
kaf24@5914 26 #define XC_PAGE_SHIFT 12
kaf24@5914 27 #endif
kaf24@5914 28 #define XC_PAGE_SIZE (1UL << XC_PAGE_SHIFT)
kaf24@5914 29 #define XC_PAGE_MASK (~(XC_PAGE_SIZE-1))
kaf24@5914 30
kaf24@3961 31 /*
kaf24@3961 32 * DEFINITIONS FOR CPU BARRIERS
kaf24@3961 33 */
kaf24@3961 34
kaf24@3961 35 #if defined(__i386__)
kaf24@3966 36 #define mb() __asm__ __volatile__ ( "lock; addl $0,0(%%esp)" : : : "memory" )
kaf24@3966 37 #define rmb() __asm__ __volatile__ ( "lock; addl $0,0(%%esp)" : : : "memory" )
kaf24@3966 38 #define wmb() __asm__ __volatile__ ( "" : : : "memory")
kaf24@3961 39 #elif defined(__x86_64__)
kaf24@3966 40 #define mb() __asm__ __volatile__ ( "mfence" : : : "memory")
kaf24@3966 41 #define rmb() __asm__ __volatile__ ( "lfence" : : : "memory")
kaf24@3966 42 #define wmb() __asm__ __volatile__ ( "" : : : "memory")
kaf24@5914 43 #elif defined(__ia64__)
kaf24@5914 44 /* FIXME */
kaf24@5914 45 #define mb()
kaf24@5914 46 #define rmb()
kaf24@5914 47 #define wmb()
kaf24@3961 48 #else
kaf24@3961 49 #error "Define barriers"
kaf24@3961 50 #endif
kaf24@3961 51
kaf24@3961 52 /*
iap10@3443 53 * INITIALIZATION FUNCTIONS
kaf24@3961 54 */
iap10@3443 55
iap10@3443 56 /**
iap10@3443 57 * This function opens a handle to the hypervisor interface. This function can
iap10@3443 58 * be called multiple times within a single process. Multiple processes can
iap10@3443 59 * have an open hypervisor interface at the same time.
iap10@3443 60 *
iap10@3443 61 * Each call to this function should have a corresponding call to
iap10@3443 62 * xc_interface_close().
iap10@3443 63 *
iap10@3443 64 * This function can fail if the caller does not have superuser permission or
iap10@3443 65 * if a Xen-enabled kernel is not currently running.
iap10@3443 66 *
iap10@3443 67 * @return a handle to the hypervisor interface or -1 on failure
iap10@3443 68 */
mjw@1623 69 int xc_interface_open(void);
iap10@3443 70
iap10@3443 71 /**
iap10@3443 72 * This function closes an open hypervisor interface.
iap10@3443 73 *
iap10@3443 74 * This function can fail if the handle does not represent an open interface or
iap10@3443 75 * if there were problems closing the interface.
iap10@3443 76 *
iap10@3443 77 * @parm xc_handle a handle to an open hypervisor interface
iap10@3443 78 * @return 0 on success, -1 otherwise.
iap10@3443 79 */
mjw@1623 80 int xc_interface_close(int xc_handle);
mjw@1623 81
kaf24@3961 82 /*
kaf24@4719 83 * DOMAIN DEBUGGING FUNCTIONS
kaf24@4719 84 */
kaf24@4719 85
kaf24@4719 86 typedef struct xc_core_header {
kaf24@4719 87 unsigned int xch_magic;
kaf24@4719 88 unsigned int xch_nr_vcpus;
kaf24@4719 89 unsigned int xch_nr_pages;
kaf24@4719 90 unsigned int xch_ctxt_offset;
kaf24@4719 91 unsigned int xch_index_offset;
kaf24@4719 92 unsigned int xch_pages_offset;
kaf24@4719 93 } xc_core_header_t;
kaf24@4719 94
kaf24@4719 95
kaf24@6941 96 long xc_ptrace_core(
kaf24@6941 97 int xc_handle,
kaf24@6941 98 enum __ptrace_request request,
kaf24@7339 99 uint32_t domid,
kaf24@6941 100 long addr,
kaf24@6941 101 long data);
kaf24@4719 102
kaf24@6941 103 int xc_waitdomain_core(
kaf24@6941 104 int xc_handle,
kaf24@6941 105 int domain,
kaf24@6941 106 int *status,
kaf24@6941 107 int options);
kaf24@4719 108
kaf24@4719 109 /*
iap10@3443 110 * DOMAIN MANAGEMENT FUNCTIONS
kaf24@3961 111 */
iap10@3443 112
mjw@1623 113 typedef struct {
kaf24@7378 114 uint32_t domid;
kaf24@7378 115 uint32_t ssidref;
mjw@1623 116 unsigned int dying:1, crashed:1, shutdown:1,
mjw@1623 117 paused:1, blocked:1, running:1;
mjw@1623 118 unsigned int shutdown_reason; /* only meaningful if shutdown==1 */
mjw@1623 119 unsigned long nr_pages;
mjw@1623 120 unsigned long shared_info_frame;
kaf24@7378 121 uint64_t cpu_time;
mjw@1623 122 unsigned long max_memkb;
kaf24@7397 123 unsigned int nr_online_vcpus;
kaf24@7397 124 unsigned int max_vcpu_id;
kaf24@7378 125 xen_domain_handle_t handle;
mjw@1623 126 } xc_dominfo_t;
mjw@1623 127
kaf24@2787 128 typedef dom0_getdomaininfo_t xc_domaininfo_t;
mjw@1623 129 int xc_domain_create(int xc_handle,
kaf24@7339 130 uint32_t ssidref,
kaf24@7378 131 xen_domain_handle_t handle,
kaf24@7339 132 uint32_t *pdomid);
iap10@3443 133
kaf24@4719 134
kaf24@4719 135 int xc_domain_dumpcore(int xc_handle,
kaf24@7339 136 uint32_t domid,
cl349@4853 137 const char *corename);
kaf24@4719 138
kaf24@7354 139 /*
kaf24@7566 140 * This function sets the maximum number of vcpus that a domain may create.
kaf24@7354 141 *
kaf24@7354 142 * @parm xc_handle a handle to an open hypervisor interface.
kaf24@7354 143 * @parm domid the domain id in which vcpus are to be created.
kaf24@7354 144 * @parm max the maximum number of vcpus that the domain may create.
kaf24@7354 145 * @return 0 on success, -1 on failure.
kaf24@7354 146 */
kaf24@7354 147 int xc_domain_max_vcpus(int xc_handle,
kaf24@7354 148 uint32_t domid,
kaf24@7354 149 unsigned int max);
kaf24@4719 150
iap10@3443 151 /**
iap10@3443 152 * This function pauses a domain. A paused domain still exists in memory
iap10@3443 153 * however it does not receive any timeslices from the hypervisor.
iap10@3443 154 *
iap10@3443 155 * @parm xc_handle a handle to an open hypervisor interface
iap10@3443 156 * @parm domid the domain id to pause
iap10@3443 157 * @return 0 on success, -1 on failure.
iap10@3443 158 */
mjw@1623 159 int xc_domain_pause(int xc_handle,
kaf24@7339 160 uint32_t domid);
iap10@3443 161 /**
iap10@3443 162 * This function unpauses a domain. The domain should have been previously
iap10@3443 163 * paused.
iap10@3443 164 *
iap10@3443 165 * @parm xc_handle a handle to an open hypervisor interface
iap10@3443 166 * @parm domid the domain id to unpause
iap10@3443 167 * return 0 on success, -1 on failure
iap10@3443 168 */
mjw@1623 169 int xc_domain_unpause(int xc_handle,
kaf24@7339 170 uint32_t domid);
iap10@3443 171
iap10@3443 172 /**
iap10@3443 173 * This function will destroy a domain. Destroying a domain removes the domain
iap10@3443 174 * completely from memory. This function should be called after sending the
iap10@3443 175 * domain a SHUTDOWN control message to free up the domain resources.
iap10@3443 176 *
iap10@3443 177 * @parm xc_handle a handle to an open hypervisor interface
iap10@3443 178 * @parm domid the domain id to destroy
iap10@3443 179 * @return 0 on success, -1 on failure
iap10@3443 180 */
mjw@1623 181 int xc_domain_destroy(int xc_handle,
kaf24@7339 182 uint32_t domid);
kaf24@8500 183
kaf24@8500 184 int xc_vcpu_setaffinity(int xc_handle,
kaf24@8500 185 uint32_t domid,
kaf24@8500 186 int vcpu,
kaf24@8500 187 cpumap_t cpumap);
kaf24@7378 188
iap10@3443 189 /**
dsteklof@5498 190 * This function will return information about one or more domains. It is
dsteklof@5498 191 * designed to iterate over the list of domains. If a single domain is
dsteklof@5498 192 * requested, this function will return the next domain in the list - if
dsteklof@5498 193 * one exists. It is, therefore, important in this case to make sure the
dsteklof@5498 194 * domain requested was the one returned.
iap10@3443 195 *
iap10@3443 196 * @parm xc_handle a handle to an open hypervisor interface
iap10@3443 197 * @parm first_domid the first domain to enumerate information from. Domains
iap10@3443 198 * are currently enumerate in order of creation.
iap10@3443 199 * @parm max_doms the number of elements in info
iap10@3443 200 * @parm info an array of max_doms size that will contain the information for
iap10@3443 201 * the enumerated domains.
iap10@3443 202 * @return the number of domains enumerated or -1 on error
iap10@3443 203 */
mjw@1623 204 int xc_domain_getinfo(int xc_handle,
kaf24@7339 205 uint32_t first_domid,
mjw@1623 206 unsigned int max_doms,
mjw@1623 207 xc_dominfo_t *info);
iap10@3443 208
kaf24@8381 209
kaf24@8381 210 /**
kaf24@8500 211 * This function will set the execution context for the specified vcpu.
kaf24@8381 212 *
kaf24@8381 213 * @parm xc_handle a handle to an open hypervisor interface
kaf24@8381 214 * @parm domid the domain to set the vcpu context for
kaf24@8381 215 * @parm vcpu the vcpu number for the context
kaf24@8381 216 * @parm ctxt pointer to the the cpu context with the values to set
kaf24@8381 217 * @return the number of domains enumerated or -1 on error
kaf24@8381 218 */
kaf24@8500 219 int xc_vcpu_setcontext(int xc_handle,
kaf24@8500 220 uint32_t domid,
kaf24@8500 221 uint32_t vcpu,
kaf24@8500 222 vcpu_guest_context_t *ctxt);
iap10@3443 223 /**
kaf24@5699 224 * This function will return information about one or more domains, using a
kaf24@5699 225 * single hypercall. The domain information will be stored into the supplied
kaf24@5699 226 * array of xc_domaininfo_t structures.
kaf24@5699 227 *
kaf24@5699 228 * @parm xc_handle a handle to an open hypervisor interface
kaf24@5699 229 * @parm first_domain the first domain to enumerate information from.
kaf24@5699 230 * Domains are currently enumerate in order of creation.
kaf24@5699 231 * @parm max_domains the number of elements in info
kaf24@5699 232 * @parm info an array of max_doms size that will contain the information for
kaf24@5699 233 * the enumerated domains.
kaf24@5699 234 * @return the number of domains enumerated or -1 on error
kaf24@5699 235 */
kaf24@5699 236 int xc_domain_getinfolist(int xc_handle,
kaf24@7339 237 uint32_t first_domain,
kaf24@5699 238 unsigned int max_domains,
kaf24@5699 239 xc_domaininfo_t *info);
kaf24@5699 240
kaf24@5699 241 /**
emellor@7404 242 * This function returns information about the execution context of a
emellor@7404 243 * particular vcpu of a domain.
iap10@3443 244 *
iap10@3443 245 * @parm xc_handle a handle to an open hypervisor interface
iap10@3443 246 * @parm domid the domain to get information from
emellor@7404 247 * @parm vcpu the vcpu number
iap10@3443 248 * @parm ctxt a pointer to a structure to store the execution context of the
iap10@3443 249 * domain
iap10@3443 250 * @return 0 on success, -1 on failure
iap10@3443 251 */
kaf24@8500 252 int xc_vcpu_getcontext(int xc_handle,
kaf24@7339 253 uint32_t domid,
kaf24@7339 254 uint32_t vcpu,
cl349@4853 255 vcpu_guest_context_t *ctxt);
cl349@4849 256
kaf24@7397 257 typedef dom0_getvcpuinfo_t xc_vcpuinfo_t;
kaf24@8500 258 int xc_vcpu_getinfo(int xc_handle,
kaf24@8500 259 uint32_t domid,
kaf24@8500 260 uint32_t vcpu,
kaf24@8500 261 xc_vcpuinfo_t *info);
kaf24@7397 262
gm281@2236 263 int xc_domain_setcpuweight(int xc_handle,
kaf24@7339 264 uint32_t domid,
gm281@2236 265 float weight);
kaf24@2787 266 long long xc_domain_get_cpu_usage(int xc_handle,
mafetter@3435 267 domid_t domid,
mafetter@3435 268 int vcpu);
mjw@1623 269
kaf24@7379 270 int xc_domain_sethandle(int xc_handle, uint32_t domid,
kaf24@7379 271 xen_domain_handle_t handle);
kaf24@2787 272
kaf24@2787 273 typedef dom0_shadow_control_stats_t xc_shadow_control_stats_t;
mjw@1623 274 int xc_shadow_control(int xc_handle,
kaf24@7339 275 uint32_t domid,
mjw@1623 276 unsigned int sop,
mjw@1623 277 unsigned long *dirty_bitmap,
mjw@1623 278 unsigned long pages,
mjw@1623 279 xc_shadow_control_stats_t *stats);
mjw@1623 280
mjw@1623 281 int xc_bvtsched_global_set(int xc_handle,
mjw@1623 282 unsigned long ctx_allow);
mjw@1623 283
mjw@1623 284 int xc_bvtsched_domain_set(int xc_handle,
kaf24@7339 285 uint32_t domid,
kaf24@7339 286 uint32_t mcuadv,
gm281@2058 287 int warpback,
kaf24@7339 288 int32_t warpvalue,
gm281@2058 289 long long warpl,
gm281@2058 290 long long warpu);
mjw@1623 291
mjw@1623 292 int xc_bvtsched_global_get(int xc_handle,
mjw@1623 293 unsigned long *ctx_allow);
mjw@1623 294
mjw@1623 295 int xc_bvtsched_domain_get(int xc_handle,
kaf24@7339 296 uint32_t domid,
kaf24@7339 297 uint32_t *mcuadv,
gm281@2058 298 int *warpback,
kaf24@7339 299 int32_t *warpvalue,
gm281@2058 300 long long *warpl,
gm281@2058 301 long long *warpu);
mjw@1623 302
sd386@3449 303 int xc_sedf_domain_set(int xc_handle,
kaf24@7339 304 uint32_t domid,
kaf24@7339 305 uint64_t period, uint64_t slice,
kaf24@7339 306 uint64_t latency, uint16_t extratime,
kaf24@7339 307 uint16_t weight);
sd386@3449 308
sd386@3449 309 int xc_sedf_domain_get(int xc_handle,
kaf24@7339 310 uint32_t domid,
kaf24@7339 311 uint64_t* period, uint64_t *slice,
kaf24@7339 312 uint64_t *latency, uint16_t *extratime,
kaf24@7339 313 uint16_t *weight);
sd386@3449 314
kaf24@2787 315 typedef evtchn_status_t xc_evtchn_status_t;
iap10@3443 316
kaf24@3961 317 /*
iap10@3443 318 * EVENT CHANNEL FUNCTIONS
kaf24@3961 319 */
iap10@3443 320
iap10@3443 321 /**
iap10@3443 322 * This function allocates an unbound port. Ports are named endpoints used for
iap10@3443 323 * interdomain communication. This function is most useful in opening a
iap10@3443 324 * well-known port within a domain to receive events on.
iap10@3443 325 *
iap10@3443 326 * @parm xc_handle a handle to an open hypervisor interface
kaf24@7223 327 * @parm dom the ID of the local domain (the 'allocatee')
kaf24@7237 328 * @parm remote_dom the ID of the domain who will later bind
kaf24@7237 329 * @return allocated port (in @dom) on success, -1 on failure
iap10@3443 330 */
kaf24@2713 331 int xc_evtchn_alloc_unbound(int xc_handle,
kaf24@7339 332 uint32_t dom,
kaf24@7339 333 uint32_t remote_dom);
iap10@3443 334
mjw@1623 335 int xc_evtchn_status(int xc_handle,
kaf24@7339 336 uint32_t dom, /* may be DOMID_SELF */
kaf24@8151 337 evtchn_port_t port,
mjw@1623 338 xc_evtchn_status_t *status);
mjw@1623 339
mjw@1623 340 int xc_physdev_pci_access_modify(int xc_handle,
kaf24@7339 341 uint32_t domid,
mjw@1623 342 int bus,
mjw@1623 343 int dev,
mjw@1623 344 int func,
mjw@1623 345 int enable);
mjw@1623 346
mjw@1623 347 int xc_readconsolering(int xc_handle,
kaf24@5327 348 char **pbuffer,
kaf24@5327 349 unsigned int *pnr_chars,
mjw@1623 350 int clear);
mjw@1623 351
kaf24@2787 352 typedef dom0_physinfo_t xc_physinfo_t;
mjw@1623 353 int xc_physinfo(int xc_handle,
mjw@1623 354 xc_physinfo_t *info);
mjw@1623 355
gm281@2236 356 int xc_sched_id(int xc_handle,
gm281@2236 357 int *sched_id);
gm281@2236 358
mjw@1623 359 int xc_domain_setmaxmem(int xc_handle,
kaf24@7339 360 uint32_t domid,
kaf24@3231 361 unsigned int max_memkb);
mjw@1623 362
cl349@5045 363 int xc_domain_memory_increase_reservation(int xc_handle,
kaf24@7339 364 uint32_t domid,
iap10@6688 365 unsigned long nr_extents,
iap10@6682 366 unsigned int extent_order,
iap10@6688 367 unsigned int address_bits,
iap10@6688 368 unsigned long *extent_start);
iap10@6688 369
iap10@6688 370 int xc_domain_memory_decrease_reservation(int xc_handle,
kaf24@7339 371 uint32_t domid,
iap10@6688 372 unsigned long nr_extents,
iap10@6688 373 unsigned int extent_order,
iap10@6688 374 unsigned long *extent_start);
iap10@6688 375
kaf24@8856 376 int xc_domain_memory_populate_physmap(int xc_handle,
kaf24@8856 377 uint32_t domid,
kaf24@8856 378 unsigned long nr_extents,
kaf24@8856 379 unsigned int extent_order,
kaf24@8856 380 unsigned int address_bits,
kaf24@8856 381 unsigned long *extent_start);
kaf24@8856 382
kaf24@8856 383 int xc_domain_translate_gpfn_list(int xc_handle,
kaf24@8856 384 uint32_t domid,
kaf24@8856 385 unsigned long nr_gpfns,
kaf24@8856 386 unsigned long *gpfn_list,
kaf24@8856 387 unsigned long *mfn_list);
kaf24@8856 388
kaf24@7624 389 int xc_domain_ioport_permission(int xc_handle,
kaf24@7624 390 uint32_t domid,
kaf24@8121 391 uint32_t first_port,
kaf24@8121 392 uint32_t nr_ports,
kaf24@8121 393 uint32_t allow_access);
kaf24@7624 394
kaf24@8460 395 int xc_domain_irq_permission(int xc_handle,
kaf24@8460 396 uint32_t domid,
kaf24@8460 397 uint8_t pirq,
kaf24@8460 398 uint8_t allow_access);
kaf24@8460 399
kaf24@8460 400 int xc_domain_iomem_permission(int xc_handle,
kaf24@8460 401 uint32_t domid,
kaf24@8736 402 unsigned long first_mfn,
kaf24@8736 403 unsigned long nr_mfns,
kaf24@8460 404 uint8_t allow_access);
kaf24@8460 405
kaf24@7339 406 unsigned long xc_make_page_below_4G(int xc_handle, uint32_t domid,
iap10@6688 407 unsigned long mfn);
cl349@5045 408
kaf24@3231 409 typedef dom0_perfc_desc_t xc_perfc_desc_t;
kaf24@3231 410 /* IMPORTANT: The caller is responsible for mlock()'ing the @desc array. */
kaf24@3231 411 int xc_perfc_control(int xc_handle,
kaf24@7339 412 uint32_t op,
kaf24@3231 413 xc_perfc_desc_t *desc);
mjw@1623 414
rneugeba@3963 415 /* read/write msr */
rneugeba@3963 416 long long xc_msr_read(int xc_handle, int cpu_mask, int msr);
rneugeba@3963 417 int xc_msr_write(int xc_handle, int cpu_mask, int msr, unsigned int low,
rneugeba@3963 418 unsigned int high);
rneugeba@3963 419
iap10@3443 420 /**
iap10@3443 421 * Memory maps a range within one domain to a local address range. Mappings
iap10@3443 422 * should be unmapped with munmap and should follow the same rules as mmap
rusty@4866 423 * regarding page alignment. Returns NULL on failure.
iap10@3443 424 *
iap10@3443 425 * In Linux, the ring queue for the control channel is accessible by mapping
iap10@3443 426 * the shared_info_frame (from xc_domain_getinfo()) + 2048. The structure
iap10@3443 427 * stored there is of type control_if_t.
iap10@3443 428 *
iap10@3443 429 * @parm xc_handle a handle on an open hypervisor interface
iap10@3443 430 * @parm dom the domain to map memory from
iap10@3443 431 * @parm size the amount of memory to map (in multiples of page size)
iap10@3443 432 * @parm prot same flag as in mmap().
iap10@3443 433 * @parm mfn the frame address to map.
iap10@3443 434 */
kaf24@7339 435 void *xc_map_foreign_range(int xc_handle, uint32_t dom,
iap10@2325 436 int size, int prot,
iap10@2325 437 unsigned long mfn );
iap10@2325 438
kaf24@7339 439 void *xc_map_foreign_batch(int xc_handle, uint32_t dom, int prot,
iap10@2325 440 unsigned long *arr, int num );
iap10@2325 441
Ian@8435 442 /**
Ian@8435 443 * Translates a virtual address in the context of a given domain and
Ian@8435 444 * vcpu returning the machine page frame number of the associated
Ian@8435 445 * page.
Ian@8435 446 *
Ian@8435 447 * @parm xc_handle a handle on an open hypervisor interface
Ian@8435 448 * @parm dom the domain to perform the translation in
Ian@8435 449 * @parm vcpu the vcpu to perform the translation on
Ian@8435 450 * @parm virt the virtual address to translate
Ian@8435 451 */
Ian@8435 452 unsigned long xc_translate_foreign_address(int xc_handle, uint32_t dom,
Ian@8435 453 int vcpu, unsigned long long virt);
Ian@8435 454
kaf24@7339 455 int xc_get_pfn_list(int xc_handle, uint32_t domid, unsigned long *pfn_buf,
cl349@4853 456 unsigned long max_pfns);
iap10@3390 457
kaf24@7339 458 int xc_ia64_get_pfn_list(int xc_handle, uint32_t domid,
kaf24@7339 459 unsigned long *pfn_buf,
kaf24@7339 460 unsigned int start_page, unsigned int nr_pages);
kaf24@5914 461
djm@7536 462 int xc_copy_to_domain_page(int xc_handle, uint32_t domid,
djm@7536 463 unsigned long dst_pfn, void *src_page);
djm@7536 464
kaf24@7786 465 int xc_clear_domain_page(int xc_handle, uint32_t domid,
kaf24@7786 466 unsigned long dst_pfn);
kaf24@7786 467
djm@7536 468 int xc_ia64_copy_to_domain_pages(int xc_handle, uint32_t domid,
djm@7536 469 void* src_page, unsigned long dst_pfn, int nr_pages);
djm@7536 470
kaf24@7339 471 long xc_get_max_pages(int xc_handle, uint32_t domid);
djm@6856 472
cl349@6389 473 int xc_mmuext_op(int xc_handle, struct mmuext_op *op, unsigned int nr_ops,
cl349@6389 474 domid_t dom);
cl349@6389 475
kaf24@6468 476 int xc_memory_op(int xc_handle, int cmd, void *arg);
cl349@6389 477
kaf24@7339 478 int xc_get_pfn_type_batch(int xc_handle, uint32_t dom,
kaf24@7339 479 int num, unsigned long *arr);
cl349@6389 480
cl349@6389 481
kaf24@5318 482 /* Get current total pages allocated to a domain. */
kaf24@7339 483 long xc_get_tot_pages(int xc_handle, uint32_t domid);
kaf24@5318 484
kaf24@7566 485
kaf24@7566 486 /*
kaf24@7566 487 * Trace Buffer Operations
kaf24@7566 488 */
kaf24@7566 489
kaf24@7566 490 /**
kaf24@7566 491 * This function enables or disables tracing. Trace buffer memory must
kaf24@7566 492 * be already allocated by setting the size to a non-zero value, otherwise
kaf24@7566 493 * tracing cannot be enabled.
kaf24@7566 494 *
kaf24@7566 495 * @parm xc_handle a handle to an open hypervisor interface
kaf24@7566 496 * @parm enable the desired action, 1 for enable, 0 for disable
kaf24@7566 497 * @return 0 on success, -1 on failure.
kaf24@7566 498 */
kaf24@7566 499 int xc_tbuf_enable(int xc_handle, int enable);
kaf24@7566 500
kaf24@7566 501 /**
kaf24@7571 502 * This function sets the size of the trace buffers. Setting the size
kaf24@7571 503 * is currently a one-shot operation that may be performed either at boot
kaf24@7571 504 * time or via this interface, not both. The buffer size must be set before
kaf24@7571 505 * enabling tracing.
kaf24@7566 506 *
kaf24@7566 507 * @parm xc_handle a handle to an open hypervisor interface
kaf24@7566 508 * @parm size the size in pages per cpu for the trace buffers
kaf24@7566 509 * @return 0 on success, -1 on failure.
kaf24@7566 510 */
kaf24@7566 511 int xc_tbuf_set_size(int xc_handle, uint32_t size);
kaf24@7566 512
kaf24@7566 513 /**
kaf24@7566 514 * This function retrieves the current size of the trace buffers.
kaf24@7566 515 * Note that the size returned is in terms of bytes, not pages.
kaf24@7566 516
kaf24@7566 517 * @parm xc_handle a handle to an open hypervisor interface
kaf24@7566 518 * @parm size will contain the size in bytes for the trace buffers
kaf24@7566 519 * @return 0 on success, -1 on failure.
kaf24@7566 520 */
kaf24@7566 521 int xc_tbuf_get_size(int xc_handle, uint32_t *size);
kaf24@7566 522
kaf24@7566 523
kaf24@5318 524 /* Execute a privileged dom0 operation. */
kaf24@5318 525 int xc_dom0_op(int xc_handle, dom0_op_t *op);
cwc22@3985 526
vh249@6549 527 int xc_version(int xc_handle, int cmd, void *arg);
vh249@6549 528
cl349@6389 529 /*
cl349@6389 530 * MMU updates.
cl349@6389 531 */
cl349@6389 532 #define MAX_MMU_UPDATES 1024
cl349@6389 533 struct xc_mmu {
cl349@6389 534 mmu_update_t updates[MAX_MMU_UPDATES];
cl349@6389 535 int idx;
cl349@6389 536 domid_t subject;
cl349@6389 537 };
cl349@6389 538 typedef struct xc_mmu xc_mmu_t;
cl349@6389 539 xc_mmu_t *xc_init_mmu_updates(int xc_handle, domid_t dom);
cl349@6389 540 int xc_add_mmu_update(int xc_handle, xc_mmu_t *mmu,
iap10@6680 541 unsigned long long ptr, unsigned long long val);
cl349@6389 542 int xc_finish_mmu_updates(int xc_handle, xc_mmu_t *mmu);
cl349@6389 543
cl349@6389 544 #endif