direct-io.hg

annotate tools/libxc/xenctrl.h @ 6468:1de508b9063b

Replace dom_mem_op hypercall with memory_op hypercall with
better interface. Fix "mem=" parameter on x86/64 boot.

Signed-off-by: Keir Fraser <keir@xensource.com>
author kaf24@firebug.cl.cam.ac.uk
date Tue Aug 30 11:53:47 2005 +0000 (2005-08-30)
parents 9312a3e8a6f8
children b043928b0873
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>
iap10@3390 13
kaf24@3266 14 typedef uint8_t u8;
kaf24@3266 15 typedef uint16_t u16;
kaf24@3266 16 typedef uint32_t u32;
kaf24@3266 17 typedef uint64_t u64;
kaf24@3266 18 typedef int8_t s8;
kaf24@3266 19 typedef int16_t s16;
kaf24@3266 20 typedef int32_t s32;
kaf24@3266 21 typedef int64_t s64;
mjw@1623 22
kaf24@4719 23 #include <sys/ptrace.h>
kaf24@2821 24 #include <xen/xen.h>
kaf24@2821 25 #include <xen/dom0_ops.h>
kaf24@2821 26 #include <xen/event_channel.h>
kaf24@2821 27 #include <xen/sched_ctl.h>
kaf24@5541 28 #include <xen/acm.h>
kaf24@2787 29
kaf24@5914 30 #ifdef __ia64__
kaf24@5914 31 #define XC_PAGE_SHIFT 14
kaf24@5914 32 #else
kaf24@5914 33 #define XC_PAGE_SHIFT 12
kaf24@5914 34 #endif
kaf24@5914 35 #define XC_PAGE_SIZE (1UL << XC_PAGE_SHIFT)
kaf24@5914 36 #define XC_PAGE_MASK (~(XC_PAGE_SIZE-1))
kaf24@5914 37
kaf24@3961 38 /*
kaf24@3961 39 * DEFINITIONS FOR CPU BARRIERS
kaf24@3961 40 */
kaf24@3961 41
kaf24@3961 42 #if defined(__i386__)
kaf24@3966 43 #define mb() __asm__ __volatile__ ( "lock; addl $0,0(%%esp)" : : : "memory" )
kaf24@3966 44 #define rmb() __asm__ __volatile__ ( "lock; addl $0,0(%%esp)" : : : "memory" )
kaf24@3966 45 #define wmb() __asm__ __volatile__ ( "" : : : "memory")
kaf24@3961 46 #elif defined(__x86_64__)
kaf24@3966 47 #define mb() __asm__ __volatile__ ( "mfence" : : : "memory")
kaf24@3966 48 #define rmb() __asm__ __volatile__ ( "lfence" : : : "memory")
kaf24@3966 49 #define wmb() __asm__ __volatile__ ( "" : : : "memory")
kaf24@5914 50 #elif defined(__ia64__)
kaf24@5914 51 /* FIXME */
kaf24@5914 52 #define mb()
kaf24@5914 53 #define rmb()
kaf24@5914 54 #define wmb()
kaf24@3961 55 #else
kaf24@3961 56 #error "Define barriers"
kaf24@3961 57 #endif
kaf24@3961 58
kaf24@3961 59 /*
iap10@3443 60 * INITIALIZATION FUNCTIONS
kaf24@3961 61 */
iap10@3443 62
iap10@3443 63 /**
iap10@3443 64 * This function opens a handle to the hypervisor interface. This function can
iap10@3443 65 * be called multiple times within a single process. Multiple processes can
iap10@3443 66 * have an open hypervisor interface at the same time.
iap10@3443 67 *
iap10@3443 68 * Each call to this function should have a corresponding call to
iap10@3443 69 * xc_interface_close().
iap10@3443 70 *
iap10@3443 71 * This function can fail if the caller does not have superuser permission or
iap10@3443 72 * if a Xen-enabled kernel is not currently running.
iap10@3443 73 *
iap10@3443 74 * @return a handle to the hypervisor interface or -1 on failure
iap10@3443 75 */
mjw@1623 76 int xc_interface_open(void);
iap10@3443 77
iap10@3443 78 /**
iap10@3443 79 * This function closes an open hypervisor interface.
iap10@3443 80 *
iap10@3443 81 * This function can fail if the handle does not represent an open interface or
iap10@3443 82 * if there were problems closing the interface.
iap10@3443 83 *
iap10@3443 84 * @parm xc_handle a handle to an open hypervisor interface
iap10@3443 85 * @return 0 on success, -1 otherwise.
iap10@3443 86 */
mjw@1623 87 int xc_interface_close(int xc_handle);
mjw@1623 88
kaf24@3961 89 /*
kaf24@4719 90 * DOMAIN DEBUGGING FUNCTIONS
kaf24@4719 91 */
kaf24@4719 92
kaf24@4719 93 typedef struct xc_core_header {
kaf24@4719 94 unsigned int xch_magic;
kaf24@4719 95 unsigned int xch_nr_vcpus;
kaf24@4719 96 unsigned int xch_nr_pages;
kaf24@4719 97 unsigned int xch_ctxt_offset;
kaf24@4719 98 unsigned int xch_index_offset;
kaf24@4719 99 unsigned int xch_pages_offset;
kaf24@4719 100 } xc_core_header_t;
kaf24@4719 101
kaf24@4719 102
kaf24@4719 103 long xc_ptrace(enum __ptrace_request request,
cl349@4853 104 u32 domid,
cl349@4853 105 long addr,
cl349@4853 106 long data);
kaf24@4719 107
kaf24@4719 108 long xc_ptrace_core(enum __ptrace_request request,
cl349@4853 109 u32 domid,
cl349@4853 110 long addr,
cl349@4853 111 long data);
kaf24@4719 112
kaf24@4719 113 int xc_waitdomain(int domain,
cl349@4853 114 int *status,
cl349@4853 115 int options);
kaf24@4719 116
kaf24@4719 117 int xc_waitdomain_core(int domain,
cl349@4853 118 int *status,
cl349@4853 119 int options);
kaf24@4719 120
kaf24@4719 121 /*
iap10@3443 122 * DOMAIN MANAGEMENT FUNCTIONS
kaf24@3961 123 */
iap10@3443 124
mjw@1623 125 typedef struct {
mjw@1623 126 u32 domid;
smh22@5514 127 u32 ssidref;
mjw@1623 128 unsigned int dying:1, crashed:1, shutdown:1,
mjw@1623 129 paused:1, blocked:1, running:1;
mjw@1623 130 unsigned int shutdown_reason; /* only meaningful if shutdown==1 */
mjw@1623 131 unsigned long nr_pages;
mjw@1623 132 unsigned long shared_info_frame;
mjw@1623 133 u64 cpu_time;
mjw@1623 134 unsigned long max_memkb;
cl349@4853 135 unsigned int vcpus;
cl349@4847 136 s32 vcpu_to_cpu[MAX_VIRT_CPUS];
cl349@4845 137 cpumap_t cpumap[MAX_VIRT_CPUS];
mjw@1623 138 } xc_dominfo_t;
mjw@1623 139
kaf24@2787 140 typedef dom0_getdomaininfo_t xc_domaininfo_t;
mjw@1623 141 int xc_domain_create(int xc_handle,
smh22@5514 142 u32 ssidref,
mjw@1623 143 u32 *pdomid);
iap10@3443 144
kaf24@4719 145
kaf24@4719 146 int xc_domain_dumpcore(int xc_handle,
cl349@4853 147 u32 domid,
cl349@4853 148 const char *corename);
kaf24@4719 149
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,
mjw@1623 160 u32 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,
mjw@1623 170 u32 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,
mjw@1623 182 u32 domid);
mjw@1623 183 int xc_domain_pincpu(int xc_handle,
mjw@1623 184 u32 domid,
cl349@4845 185 int vcpu,
cl349@4845 186 cpumap_t *cpumap);
iap10@3443 187 /**
dsteklof@5498 188 * This function will return information about one or more domains. It is
dsteklof@5498 189 * designed to iterate over the list of domains. If a single domain is
dsteklof@5498 190 * requested, this function will return the next domain in the list - if
dsteklof@5498 191 * one exists. It is, therefore, important in this case to make sure the
dsteklof@5498 192 * domain requested was the one returned.
iap10@3443 193 *
iap10@3443 194 * @parm xc_handle a handle to an open hypervisor interface
iap10@3443 195 * @parm first_domid the first domain to enumerate information from. Domains
iap10@3443 196 * are currently enumerate in order of creation.
iap10@3443 197 * @parm max_doms the number of elements in info
iap10@3443 198 * @parm info an array of max_doms size that will contain the information for
iap10@3443 199 * the enumerated domains.
iap10@3443 200 * @return the number of domains enumerated or -1 on error
iap10@3443 201 */
mjw@1623 202 int xc_domain_getinfo(int xc_handle,
mjw@1623 203 u32 first_domid,
mjw@1623 204 unsigned int max_doms,
mjw@1623 205 xc_dominfo_t *info);
iap10@3443 206
iap10@3443 207 /**
kaf24@5699 208 * This function will return information about one or more domains, using a
kaf24@5699 209 * single hypercall. The domain information will be stored into the supplied
kaf24@5699 210 * array of xc_domaininfo_t structures.
kaf24@5699 211 *
kaf24@5699 212 * @parm xc_handle a handle to an open hypervisor interface
kaf24@5699 213 * @parm first_domain the first domain to enumerate information from.
kaf24@5699 214 * Domains are currently enumerate in order of creation.
kaf24@5699 215 * @parm max_domains the number of elements in info
kaf24@5699 216 * @parm info an array of max_doms size that will contain the information for
kaf24@5699 217 * the enumerated domains.
kaf24@5699 218 * @return the number of domains enumerated or -1 on error
kaf24@5699 219 */
kaf24@5699 220 int xc_domain_getinfolist(int xc_handle,
kaf24@5699 221 u32 first_domain,
kaf24@5699 222 unsigned int max_domains,
kaf24@5699 223 xc_domaininfo_t *info);
kaf24@5699 224
kaf24@5699 225 /**
iap10@3443 226 * This function returns information about one domain. This information is
iap10@3443 227 * more detailed than the information from xc_domain_getinfo().
iap10@3443 228 *
iap10@3443 229 * @parm xc_handle a handle to an open hypervisor interface
iap10@3443 230 * @parm domid the domain to get information from
iap10@3443 231 * @parm info a pointer to an xc_domaininfo_t to store the domain information
iap10@3443 232 * @parm ctxt a pointer to a structure to store the execution context of the
iap10@3443 233 * domain
iap10@3443 234 * @return 0 on success, -1 on failure
iap10@3443 235 */
cl349@4849 236 int xc_domain_get_vcpu_context(int xc_handle,
cl349@4853 237 u32 domid,
cl349@4853 238 u32 vcpu,
cl349@4853 239 vcpu_guest_context_t *ctxt);
cl349@4849 240
gm281@2236 241 int xc_domain_setcpuweight(int xc_handle,
gm281@2236 242 u32 domid,
gm281@2236 243 float weight);
kaf24@2787 244 long long xc_domain_get_cpu_usage(int xc_handle,
mafetter@3435 245 domid_t domid,
mafetter@3435 246 int vcpu);
mjw@1623 247
kaf24@2787 248
kaf24@2787 249 typedef dom0_shadow_control_stats_t xc_shadow_control_stats_t;
mjw@1623 250 int xc_shadow_control(int xc_handle,
mjw@1623 251 u32 domid,
mjw@1623 252 unsigned int sop,
mjw@1623 253 unsigned long *dirty_bitmap,
mjw@1623 254 unsigned long pages,
mjw@1623 255 xc_shadow_control_stats_t *stats);
mjw@1623 256
mjw@1623 257 int xc_bvtsched_global_set(int xc_handle,
mjw@1623 258 unsigned long ctx_allow);
mjw@1623 259
mjw@1623 260 int xc_bvtsched_domain_set(int xc_handle,
mjw@1623 261 u32 domid,
gm281@2058 262 u32 mcuadv,
gm281@2058 263 int warpback,
gm281@2058 264 s32 warpvalue,
gm281@2058 265 long long warpl,
gm281@2058 266 long long warpu);
mjw@1623 267
mjw@1623 268 int xc_bvtsched_global_get(int xc_handle,
mjw@1623 269 unsigned long *ctx_allow);
mjw@1623 270
mjw@1623 271 int xc_bvtsched_domain_get(int xc_handle,
mjw@1623 272 u32 domid,
gm281@2058 273 u32 *mcuadv,
gm281@2058 274 int *warpback,
gm281@2058 275 s32 *warpvalue,
gm281@2058 276 long long *warpl,
gm281@2058 277 long long *warpu);
mjw@1623 278
sd386@3449 279 int xc_sedf_domain_set(int xc_handle,
sd386@3449 280 u32 domid,
sd386@3573 281 u64 period, u64 slice, u64 latency, u16 extratime, u16 weight);
sd386@3449 282
sd386@3449 283 int xc_sedf_domain_get(int xc_handle,
sd386@3449 284 u32 domid,
sd386@3573 285 u64* period, u64 *slice, u64 *latency, u16 *extratime, u16* weight);
sd386@3449 286
kaf24@2787 287 typedef evtchn_status_t xc_evtchn_status_t;
iap10@3443 288
kaf24@3961 289 /*
iap10@3443 290 * EVENT CHANNEL FUNCTIONS
kaf24@3961 291 */
iap10@3443 292
iap10@3443 293 /**
iap10@3443 294 * This function allocates an unbound port. Ports are named endpoints used for
iap10@3443 295 * interdomain communication. This function is most useful in opening a
iap10@3443 296 * well-known port within a domain to receive events on.
iap10@3443 297 *
iap10@3443 298 * @parm xc_handle a handle to an open hypervisor interface
iap10@3443 299 * @parm dom the ID of the domain. This maybe DOMID_SELF
iap10@3443 300 * @parm port a pointer to a port. This is an in/out parameter. If *port is
iap10@3443 301 * 0, then a new port will be assigned, if port is > 0 then that
iap10@3443 302 * port is allocated if the port is unallocated.
iap10@3443 303 * @return 0 on success, -1 on failure
iap10@3443 304 */
kaf24@2713 305 int xc_evtchn_alloc_unbound(int xc_handle,
kaf24@2713 306 u32 dom,
kaf24@2713 307 int *port);
iap10@3443 308
iap10@3443 309 /**
iap10@3443 310 * This function creates a pair of ports between two domains. A port can only
iap10@3443 311 * be bound once within a domain.
iap10@3443 312 *
iap10@3443 313 * @parm xc_handle a handle to an open hypervisor interface
iap10@3443 314 * @parm dom1 one of the two domains to connect. Can be DOMID_SELF.
iap10@3443 315 * @parm dom2 the other domain to connect. Can be DOMID_SELF.
iap10@3443 316 * @parm port1 an in/out parameter. If > 0, then try to connect *port. If
iap10@3443 317 * 0, then allocate a new port and store the port in *port.
iap10@3443 318 * @parm port2 the port connected on port2. This parameter behaves the same
iap10@3443 319 * way as port1.
iap10@3443 320 * @return 0 on success, -1 on error.
iap10@3443 321 */
mjw@1623 322 int xc_evtchn_bind_interdomain(int xc_handle,
iap10@3443 323 u32 dom1,
iap10@3443 324 u32 dom2,
mjw@1623 325 int *port1,
mjw@1623 326 int *port2);
mjw@1623 327 int xc_evtchn_bind_virq(int xc_handle,
mjw@1623 328 int virq,
mjw@1623 329 int *port);
iap10@3443 330
iap10@3443 331 /**
iap10@3443 332 * This function will close a single port on an event channel.
iap10@3443 333 *
iap10@3443 334 * @parm xc_handle a handle to an open hypervisor interface
iap10@3443 335 * @parm dom the domain that the port exists on. May be DOMID_SELF.
iap10@3443 336 * @parm port the port to close
iap10@3443 337 * @return 0 on success, -1 on error
iap10@3443 338 */
mjw@1623 339 int xc_evtchn_close(int xc_handle,
mjw@1623 340 u32 dom, /* may be DOMID_SELF */
mjw@1623 341 int port);
iap10@3443 342
iap10@3443 343 /**
iap10@3443 344 * This function generates a notify event on a bound port.
iap10@3443 345 *
iap10@3443 346 * Notifies can be read within Linux by opening /dev/xen/evtchn and reading
iap10@3443 347 * a 16 bit value. The result will be the port the event occurred on. When
iap10@3443 348 * events occur, the port is masked until the 16 bit port value is written back
iap10@3443 349 * to the file. When /dev/xen/evtchn is opened, it has to be bound via an
iap10@3443 350 * ioctl to each port to listen on. The ioctl for binding is _IO('E', 2). The
iap10@3443 351 * parameter is the port to listen on.
iap10@3443 352 *
iap10@3443 353 * @parm xc_handle a handle to an open hypervisor interface
iap10@3443 354 * @parm local_port the port to generate the notify on
iap10@3443 355 * @return 0 on success, -1 on error
iap10@3443 356 */
mjw@1623 357 int xc_evtchn_send(int xc_handle,
mjw@1623 358 int local_port);
mjw@1623 359 int xc_evtchn_status(int xc_handle,
mjw@1623 360 u32 dom, /* may be DOMID_SELF */
mjw@1623 361 int port,
mjw@1623 362 xc_evtchn_status_t *status);
mjw@1623 363
mjw@1623 364 int xc_physdev_pci_access_modify(int xc_handle,
mjw@1623 365 u32 domid,
mjw@1623 366 int bus,
mjw@1623 367 int dev,
mjw@1623 368 int func,
mjw@1623 369 int enable);
mjw@1623 370
mjw@1623 371 int xc_readconsolering(int xc_handle,
kaf24@5327 372 char **pbuffer,
kaf24@5327 373 unsigned int *pnr_chars,
mjw@1623 374 int clear);
mjw@1623 375
kaf24@2787 376 typedef dom0_physinfo_t xc_physinfo_t;
mjw@1623 377 int xc_physinfo(int xc_handle,
mjw@1623 378 xc_physinfo_t *info);
mjw@1623 379
gm281@2236 380 int xc_sched_id(int xc_handle,
gm281@2236 381 int *sched_id);
gm281@2236 382
mjw@1623 383 int xc_domain_setmaxmem(int xc_handle,
kaf24@3231 384 u32 domid,
kaf24@3231 385 unsigned int max_memkb);
mjw@1623 386
cl349@5045 387 int xc_domain_memory_increase_reservation(int xc_handle,
cl349@5045 388 u32 domid,
cl349@5045 389 unsigned int mem_kb);
cl349@5045 390
kaf24@3231 391 typedef dom0_perfc_desc_t xc_perfc_desc_t;
kaf24@3231 392 /* IMPORTANT: The caller is responsible for mlock()'ing the @desc array. */
kaf24@3231 393 int xc_perfc_control(int xc_handle,
kaf24@3231 394 u32 op,
kaf24@3231 395 xc_perfc_desc_t *desc);
mjw@1623 396
rneugeba@3963 397 /* read/write msr */
rneugeba@3963 398 long long xc_msr_read(int xc_handle, int cpu_mask, int msr);
rneugeba@3963 399 int xc_msr_write(int xc_handle, int cpu_mask, int msr, unsigned int low,
rneugeba@3963 400 unsigned int high);
rneugeba@3963 401
iap10@3443 402 /**
iap10@3443 403 * Memory maps a range within one domain to a local address range. Mappings
iap10@3443 404 * should be unmapped with munmap and should follow the same rules as mmap
rusty@4866 405 * regarding page alignment. Returns NULL on failure.
iap10@3443 406 *
iap10@3443 407 * In Linux, the ring queue for the control channel is accessible by mapping
iap10@3443 408 * the shared_info_frame (from xc_domain_getinfo()) + 2048. The structure
iap10@3443 409 * stored there is of type control_if_t.
iap10@3443 410 *
iap10@3443 411 * @parm xc_handle a handle on an open hypervisor interface
iap10@3443 412 * @parm dom the domain to map memory from
iap10@3443 413 * @parm size the amount of memory to map (in multiples of page size)
iap10@3443 414 * @parm prot same flag as in mmap().
iap10@3443 415 * @parm mfn the frame address to map.
iap10@3443 416 */
iap10@2325 417 void *xc_map_foreign_range(int xc_handle, u32 dom,
iap10@2325 418 int size, int prot,
iap10@2325 419 unsigned long mfn );
iap10@2325 420
iap10@2325 421 void *xc_map_foreign_batch(int xc_handle, u32 dom, int prot,
iap10@2325 422 unsigned long *arr, int num );
iap10@2325 423
iap10@3390 424 int xc_get_pfn_list(int xc_handle, u32 domid, unsigned long *pfn_buf,
cl349@4853 425 unsigned long max_pfns);
iap10@3390 426
kaf24@5914 427 int xc_ia64_get_pfn_list(int xc_handle, u32 domid, unsigned long *pfn_buf,
kaf24@5914 428 unsigned int start_page, unsigned int nr_pages);
kaf24@5914 429
cl349@6389 430 int xc_mmuext_op(int xc_handle, struct mmuext_op *op, unsigned int nr_ops,
cl349@6389 431 domid_t dom);
cl349@6389 432
kaf24@6468 433 int xc_memory_op(int xc_handle, int cmd, void *arg);
cl349@6389 434
cl349@6389 435 int xc_get_pfn_type_batch(int xc_handle, u32 dom, int num, unsigned long *arr);
cl349@6389 436
cl349@6389 437
cwc22@3985 438 /*\
cwc22@3985 439 * GRANT TABLE FUNCTIONS
cwc22@3985 440 \*/
cwc22@3985 441
cwc22@3985 442 /**
cwc22@3985 443 * This function opens a handle to the more restricted grant table hypervisor
cwc22@3985 444 * interface. This may be used where the standard interface is not
cwc22@3985 445 * available because the domain is not privileged.
cwc22@3985 446 * This function can be called multiple times within a single process.
cwc22@3985 447 * Multiple processes can have an open hypervisor interface at the same time.
cwc22@3985 448 *
cwc22@3985 449 * Each call to this function should have a corresponding call to
cwc22@3985 450 * xc_grant_interface_close().
cwc22@3985 451 *
cwc22@3985 452 * This function can fail if a Xen-enabled kernel is not currently running.
cwc22@3985 453 *
cwc22@3985 454 * @return a handle to the hypervisor grant table interface or -1 on failure
cwc22@3985 455 */
cwc22@3985 456 int xc_grant_interface_open(void);
cwc22@3985 457
cwc22@3985 458 /**
cwc22@3985 459 * This function closes an open grant table hypervisor interface.
cwc22@3985 460 *
cwc22@3985 461 * This function can fail if the handle does not represent an open interface or
cwc22@3985 462 * if there were problems closing the interface.
cwc22@3985 463 *
cwc22@3985 464 * @parm xc_handle a handle to an open grant table hypervisor interface
cwc22@3985 465 * @return 0 on success, -1 otherwise.
cwc22@3985 466 */
cwc22@3985 467 int xc_grant_interface_close(int xc_handle);
cwc22@3985 468
kaf24@6281 469 int xc_gnttab_map_grant_ref(int xc_handle,
kaf24@6281 470 u64 host_virt_addr,
kaf24@6281 471 u32 dom,
kaf24@6281 472 u16 ref,
kaf24@6281 473 u16 flags,
kaf24@6281 474 s16 *handle,
kaf24@6281 475 u64 *dev_bus_addr);
cwc22@3985 476
kaf24@6281 477 int xc_gnttab_unmap_grant_ref(int xc_handle,
kaf24@6281 478 u64 host_virt_addr,
kaf24@6281 479 u64 dev_bus_addr,
kaf24@6281 480 u16 handle,
kaf24@6281 481 s16 *status);
cwc22@3985 482
cwc22@3985 483 int xc_gnttab_setup_table(int xc_handle,
cwc22@3985 484 u32 dom,
cwc22@3985 485 u16 nr_frames,
cwc22@3985 486 s16 *status,
kaf24@6281 487 unsigned long **frame_list);
cwc22@3985 488
cwc22@3985 489 /* Grant debug builds only: */
cwc22@3985 490 int xc_gnttab_dump_table(int xc_handle,
cwc22@3985 491 u32 dom,
cwc22@3985 492 s16 *status);
cwc22@3985 493
kaf24@5318 494 /* Get current total pages allocated to a domain. */
kaf24@5318 495 long xc_get_tot_pages(int xc_handle, u32 domid);
kaf24@5318 496
kaf24@5318 497 /* Execute a privileged dom0 operation. */
kaf24@5318 498 int xc_dom0_op(int xc_handle, dom0_op_t *op);
cwc22@3985 499
cl349@5748 500 /* Initializes the store (for dom0)
cl349@5748 501 remote_port should be the remote end of a bound interdomain channel between
cl349@5748 502 the store and dom0.
cl349@5748 503
cl349@5748 504 This function returns a shared frame that should be passed to
cl349@5748 505 xs_introduce_domain
cl349@5748 506 */
cl349@5748 507 long xc_init_store(int xc_handle, int remote_port);
cl349@5748 508
cl349@6389 509 /*
cl349@6389 510 * MMU updates.
cl349@6389 511 */
cl349@6389 512 #define MAX_MMU_UPDATES 1024
cl349@6389 513 struct xc_mmu {
cl349@6389 514 mmu_update_t updates[MAX_MMU_UPDATES];
cl349@6389 515 int idx;
cl349@6389 516 domid_t subject;
cl349@6389 517 };
cl349@6389 518 typedef struct xc_mmu xc_mmu_t;
cl349@6389 519 xc_mmu_t *xc_init_mmu_updates(int xc_handle, domid_t dom);
cl349@6389 520 int xc_add_mmu_update(int xc_handle, xc_mmu_t *mmu,
cl349@6389 521 unsigned long ptr, unsigned long val);
cl349@6389 522 int xc_finish_mmu_updates(int xc_handle, xc_mmu_t *mmu);
cl349@6389 523
cl349@6389 524 #endif