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Commit | Line | Data |
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d94f9486 | 1 | #ifndef QEMU_HW_XEN_COMMON_H |
175de524 | 2 | #define QEMU_HW_XEN_COMMON_H |
d94f9486 | 3 | |
5eeb39c2 IC |
4 | /* |
5 | * If we have new enough libxenctrl then we do not want/need these compat | |
6 | * interfaces, despite what the user supplied cflags might say. They | |
7 | * must be undefined before including xenctrl.h | |
8 | */ | |
9 | #undef XC_WANT_COMPAT_EVTCHN_API | |
10 | #undef XC_WANT_COMPAT_GNTTAB_API | |
11 | #undef XC_WANT_COMPAT_MAP_FOREIGN_API | |
12 | ||
d94f9486 | 13 | #include <xenctrl.h> |
edfb07ed | 14 | #include <xenstore.h> |
d94f9486 AL |
15 | #include <xen/io/xenbus.h> |
16 | ||
83c9f4ca | 17 | #include "hw/hw.h" |
0d09e41a | 18 | #include "hw/xen/xen.h" |
3996e85c | 19 | #include "hw/pci/pci.h" |
1de7afc9 | 20 | #include "qemu/queue.h" |
0ab8ed18 | 21 | #include "hw/xen/trace.h" |
d94f9486 | 22 | |
260cabed PD |
23 | extern xc_interface *xen_xc; |
24 | ||
d94f9486 | 25 | /* |
edfb07ed | 26 | * We don't support Xen prior to 4.2.0. |
d94f9486 | 27 | */ |
d5b93ddf | 28 | |
8f25e754 PD |
29 | static inline int xen_set_mem_type(domid_t domid, hvmmem_type_t type, |
30 | uint64_t first_pfn, uint32_t nr) | |
31 | { | |
32 | return xc_hvm_set_mem_type(xen_xc, domid, type, first_pfn, nr); | |
33 | } | |
34 | ||
35 | static inline int xen_set_pci_intx_level(domid_t domid, uint16_t segment, | |
36 | uint8_t bus, uint8_t device, | |
37 | uint8_t intx, unsigned int level) | |
38 | { | |
39 | return xc_hvm_set_pci_intx_level(xen_xc, domid, segment, bus, device, | |
40 | intx, level); | |
41 | } | |
42 | ||
43 | static inline int xen_set_pci_link_route(domid_t domid, uint8_t link, | |
44 | uint8_t irq) | |
45 | { | |
46 | return xc_hvm_set_pci_link_route(xen_xc, domid, link, irq); | |
47 | } | |
48 | ||
49 | static inline int xen_inject_msi(domid_t domid, uint64_t msi_addr, | |
50 | uint32_t msi_data) | |
51 | { | |
52 | return xc_hvm_inject_msi(xen_xc, domid, msi_addr, msi_data); | |
53 | } | |
54 | ||
55 | static inline int xen_set_isa_irq_level(domid_t domid, uint8_t irq, | |
56 | unsigned int level) | |
57 | { | |
58 | return xc_hvm_set_isa_irq_level(xen_xc, domid, irq, level); | |
59 | } | |
60 | ||
61 | static inline int xen_track_dirty_vram(domid_t domid, uint64_t first_pfn, | |
62 | uint32_t nr, unsigned long *bitmap) | |
63 | { | |
64 | return xc_hvm_track_dirty_vram(xen_xc, domid, first_pfn, nr, bitmap); | |
65 | } | |
66 | ||
67 | static inline int xen_modified_memory(domid_t domid, uint64_t first_pfn, | |
68 | uint32_t nr) | |
69 | { | |
70 | return xc_hvm_modified_memory(xen_xc, domid, first_pfn, nr); | |
71 | } | |
72 | ||
cb8d4c8f | 73 | /* Xen 4.2 through 4.6 */ |
edfb07ed | 74 | #if CONFIG_XEN_CTRL_INTERFACE_VERSION < 471 |
d5b93ddf | 75 | |
81daba58 | 76 | typedef xc_interface xenforeignmemory_handle; |
a2db2a1e | 77 | typedef xc_evtchn xenevtchn_handle; |
c1345a88 | 78 | typedef xc_gnttab xengnttab_handle; |
d5b93ddf | 79 | |
a2db2a1e IC |
80 | #define xenevtchn_open(l, f) xc_evtchn_open(l, f); |
81 | #define xenevtchn_close(h) xc_evtchn_close(h) | |
82 | #define xenevtchn_fd(h) xc_evtchn_fd(h) | |
83 | #define xenevtchn_pending(h) xc_evtchn_pending(h) | |
84 | #define xenevtchn_notify(h, p) xc_evtchn_notify(h, p) | |
85 | #define xenevtchn_bind_interdomain(h, d, p) xc_evtchn_bind_interdomain(h, d, p) | |
86 | #define xenevtchn_unmask(h, p) xc_evtchn_unmask(h, p) | |
87 | #define xenevtchn_unbind(h, p) xc_evtchn_unbind(h, p) | |
d5b93ddf | 88 | |
c1345a88 IC |
89 | #define xengnttab_open(l, f) xc_gnttab_open(l, f) |
90 | #define xengnttab_close(h) xc_gnttab_close(h) | |
91 | #define xengnttab_set_max_grants(h, n) xc_gnttab_set_max_grants(h, n) | |
92 | #define xengnttab_map_grant_ref(h, d, r, p) xc_gnttab_map_grant_ref(h, d, r, p) | |
93 | #define xengnttab_unmap(h, a, n) xc_gnttab_munmap(h, a, n) | |
94 | #define xengnttab_map_grant_refs(h, c, d, r, p) \ | |
95 | xc_gnttab_map_grant_refs(h, c, d, r, p) | |
816ac92e JG |
96 | #define xengnttab_map_domain_grant_refs(h, c, d, r, p) \ |
97 | xc_gnttab_map_domain_grant_refs(h, c, d, r, p) | |
d5b93ddf | 98 | |
6aa0205e IC |
99 | #define xenforeignmemory_open(l, f) xen_xc |
100 | ||
101 | static inline void *xenforeignmemory_map(xc_interface *h, uint32_t dom, | |
102 | int prot, size_t pages, | |
103 | const xen_pfn_t arr[/*pages*/], | |
104 | int err[/*pages*/]) | |
105 | { | |
106 | if (err) | |
107 | return xc_map_foreign_bulk(h, dom, prot, arr, err, pages); | |
108 | else | |
109 | return xc_map_foreign_pages(h, dom, prot, arr, pages); | |
110 | } | |
111 | ||
112 | #define xenforeignmemory_unmap(h, p, s) munmap(p, s * XC_PAGE_SIZE) | |
e0cb42ae | 113 | |
5eeb39c2 IC |
114 | #else /* CONFIG_XEN_CTRL_INTERFACE_VERSION >= 471 */ |
115 | ||
5eeb39c2 IC |
116 | #include <xenevtchn.h> |
117 | #include <xengnttab.h> | |
118 | #include <xenforeignmemory.h> | |
119 | ||
d94f9486 AL |
120 | #endif |
121 | ||
260cabed PD |
122 | extern xenforeignmemory_handle *xen_fmem; |
123 | ||
180640ea | 124 | void destroy_hvm_domain(bool reboot); |
9ce94e7c | 125 | |
eaab4d60 AK |
126 | /* shutdown/destroy current domain because of an error */ |
127 | void xen_shutdown_fatal_error(const char *fmt, ...) GCC_FMT_ATTR(1, 2); | |
128 | ||
37f9e258 | 129 | #ifdef HVM_PARAM_VMPORT_REGS_PFN |
81daba58 | 130 | static inline int xen_get_vmport_regs_pfn(xc_interface *xc, domid_t dom, |
d01a5a3f | 131 | xen_pfn_t *vmport_regs_pfn) |
37f9e258 | 132 | { |
d01a5a3f SS |
133 | int rc; |
134 | uint64_t value; | |
135 | rc = xc_hvm_param_get(xc, dom, HVM_PARAM_VMPORT_REGS_PFN, &value); | |
136 | if (rc >= 0) { | |
137 | *vmport_regs_pfn = (xen_pfn_t) value; | |
138 | } | |
139 | return rc; | |
37f9e258 DS |
140 | } |
141 | #else | |
81daba58 | 142 | static inline int xen_get_vmport_regs_pfn(xc_interface *xc, domid_t dom, |
d01a5a3f | 143 | xen_pfn_t *vmport_regs_pfn) |
37f9e258 DS |
144 | { |
145 | return -ENOSYS; | |
146 | } | |
147 | #endif | |
148 | ||
d8b441a3 JB |
149 | /* Xen before 4.6 */ |
150 | #if CONFIG_XEN_CTRL_INTERFACE_VERSION < 460 | |
151 | ||
152 | #ifndef HVM_IOREQSRV_BUFIOREQ_ATOMIC | |
153 | #define HVM_IOREQSRV_BUFIOREQ_ATOMIC 2 | |
154 | #endif | |
155 | ||
156 | #endif | |
157 | ||
260cabed | 158 | static inline int xen_get_default_ioreq_server_info(domid_t dom, |
b7665c60 PD |
159 | xen_pfn_t *ioreq_pfn, |
160 | xen_pfn_t *bufioreq_pfn, | |
161 | evtchn_port_t | |
162 | *bufioreq_evtchn) | |
163 | { | |
164 | unsigned long param; | |
165 | int rc; | |
166 | ||
260cabed | 167 | rc = xc_get_hvm_param(xen_xc, dom, HVM_PARAM_IOREQ_PFN, ¶m); |
b7665c60 PD |
168 | if (rc < 0) { |
169 | fprintf(stderr, "failed to get HVM_PARAM_IOREQ_PFN\n"); | |
170 | return -1; | |
171 | } | |
172 | ||
173 | *ioreq_pfn = param; | |
174 | ||
260cabed | 175 | rc = xc_get_hvm_param(xen_xc, dom, HVM_PARAM_BUFIOREQ_PFN, ¶m); |
b7665c60 PD |
176 | if (rc < 0) { |
177 | fprintf(stderr, "failed to get HVM_PARAM_BUFIOREQ_PFN\n"); | |
178 | return -1; | |
179 | } | |
180 | ||
181 | *bufioreq_pfn = param; | |
182 | ||
260cabed | 183 | rc = xc_get_hvm_param(xen_xc, dom, HVM_PARAM_BUFIOREQ_EVTCHN, |
b7665c60 PD |
184 | ¶m); |
185 | if (rc < 0) { | |
186 | fprintf(stderr, "failed to get HVM_PARAM_BUFIOREQ_EVTCHN\n"); | |
187 | return -1; | |
188 | } | |
189 | ||
190 | *bufioreq_evtchn = param; | |
191 | ||
192 | return 0; | |
193 | } | |
194 | ||
3996e85c PD |
195 | /* Xen before 4.5 */ |
196 | #if CONFIG_XEN_CTRL_INTERFACE_VERSION < 450 | |
197 | ||
198 | #ifndef HVM_PARAM_BUFIOREQ_EVTCHN | |
199 | #define HVM_PARAM_BUFIOREQ_EVTCHN 26 | |
200 | #endif | |
201 | ||
202 | #define IOREQ_TYPE_PCI_CONFIG 2 | |
203 | ||
d09952ee | 204 | typedef uint16_t ioservid_t; |
3996e85c | 205 | |
260cabed | 206 | static inline void xen_map_memory_section(domid_t dom, |
3996e85c PD |
207 | ioservid_t ioservid, |
208 | MemoryRegionSection *section) | |
209 | { | |
210 | } | |
211 | ||
260cabed | 212 | static inline void xen_unmap_memory_section(domid_t dom, |
3996e85c PD |
213 | ioservid_t ioservid, |
214 | MemoryRegionSection *section) | |
215 | { | |
216 | } | |
217 | ||
260cabed | 218 | static inline void xen_map_io_section(domid_t dom, |
3996e85c PD |
219 | ioservid_t ioservid, |
220 | MemoryRegionSection *section) | |
221 | { | |
222 | } | |
223 | ||
260cabed | 224 | static inline void xen_unmap_io_section(domid_t dom, |
3996e85c PD |
225 | ioservid_t ioservid, |
226 | MemoryRegionSection *section) | |
227 | { | |
228 | } | |
229 | ||
260cabed | 230 | static inline void xen_map_pcidev(domid_t dom, |
3996e85c PD |
231 | ioservid_t ioservid, |
232 | PCIDevice *pci_dev) | |
233 | { | |
234 | } | |
235 | ||
260cabed | 236 | static inline void xen_unmap_pcidev(domid_t dom, |
3996e85c PD |
237 | ioservid_t ioservid, |
238 | PCIDevice *pci_dev) | |
239 | { | |
240 | } | |
241 | ||
260cabed | 242 | static inline void xen_create_ioreq_server(domid_t dom, |
b7665c60 | 243 | ioservid_t *ioservid) |
3996e85c | 244 | { |
3996e85c PD |
245 | } |
246 | ||
260cabed | 247 | static inline void xen_destroy_ioreq_server(domid_t dom, |
3996e85c PD |
248 | ioservid_t ioservid) |
249 | { | |
250 | } | |
251 | ||
260cabed | 252 | static inline int xen_get_ioreq_server_info(domid_t dom, |
3996e85c PD |
253 | ioservid_t ioservid, |
254 | xen_pfn_t *ioreq_pfn, | |
255 | xen_pfn_t *bufioreq_pfn, | |
256 | evtchn_port_t *bufioreq_evtchn) | |
257 | { | |
260cabed PD |
258 | return xen_get_default_ioreq_server_info(dom, ioreq_pfn, |
259 | bufioreq_pfn, | |
b7665c60 | 260 | bufioreq_evtchn); |
3996e85c PD |
261 | } |
262 | ||
260cabed | 263 | static inline int xen_set_ioreq_server_state(domid_t dom, |
3996e85c PD |
264 | ioservid_t ioservid, |
265 | bool enable) | |
266 | { | |
267 | return 0; | |
268 | } | |
269 | ||
270 | /* Xen 4.5 */ | |
271 | #else | |
272 | ||
b7665c60 PD |
273 | static bool use_default_ioreq_server; |
274 | ||
260cabed | 275 | static inline void xen_map_memory_section(domid_t dom, |
3996e85c PD |
276 | ioservid_t ioservid, |
277 | MemoryRegionSection *section) | |
278 | { | |
279 | hwaddr start_addr = section->offset_within_address_space; | |
280 | ram_addr_t size = int128_get64(section->size); | |
281 | hwaddr end_addr = start_addr + size - 1; | |
282 | ||
b7665c60 PD |
283 | if (use_default_ioreq_server) { |
284 | return; | |
285 | } | |
286 | ||
3996e85c | 287 | trace_xen_map_mmio_range(ioservid, start_addr, end_addr); |
260cabed | 288 | xc_hvm_map_io_range_to_ioreq_server(xen_xc, dom, ioservid, 1, |
3996e85c PD |
289 | start_addr, end_addr); |
290 | } | |
291 | ||
260cabed | 292 | static inline void xen_unmap_memory_section(domid_t dom, |
3996e85c PD |
293 | ioservid_t ioservid, |
294 | MemoryRegionSection *section) | |
295 | { | |
296 | hwaddr start_addr = section->offset_within_address_space; | |
297 | ram_addr_t size = int128_get64(section->size); | |
298 | hwaddr end_addr = start_addr + size - 1; | |
299 | ||
b7665c60 PD |
300 | if (use_default_ioreq_server) { |
301 | return; | |
302 | } | |
303 | ||
3996e85c | 304 | trace_xen_unmap_mmio_range(ioservid, start_addr, end_addr); |
260cabed PD |
305 | xc_hvm_unmap_io_range_from_ioreq_server(xen_xc, dom, ioservid, |
306 | 1, start_addr, end_addr); | |
3996e85c PD |
307 | } |
308 | ||
260cabed | 309 | static inline void xen_map_io_section(domid_t dom, |
3996e85c PD |
310 | ioservid_t ioservid, |
311 | MemoryRegionSection *section) | |
312 | { | |
313 | hwaddr start_addr = section->offset_within_address_space; | |
314 | ram_addr_t size = int128_get64(section->size); | |
315 | hwaddr end_addr = start_addr + size - 1; | |
316 | ||
b7665c60 PD |
317 | if (use_default_ioreq_server) { |
318 | return; | |
319 | } | |
320 | ||
3996e85c | 321 | trace_xen_map_portio_range(ioservid, start_addr, end_addr); |
260cabed | 322 | xc_hvm_map_io_range_to_ioreq_server(xen_xc, dom, ioservid, 0, |
3996e85c PD |
323 | start_addr, end_addr); |
324 | } | |
325 | ||
260cabed | 326 | static inline void xen_unmap_io_section(domid_t dom, |
3996e85c PD |
327 | ioservid_t ioservid, |
328 | MemoryRegionSection *section) | |
329 | { | |
330 | hwaddr start_addr = section->offset_within_address_space; | |
331 | ram_addr_t size = int128_get64(section->size); | |
332 | hwaddr end_addr = start_addr + size - 1; | |
333 | ||
b7665c60 PD |
334 | if (use_default_ioreq_server) { |
335 | return; | |
336 | } | |
337 | ||
3996e85c | 338 | trace_xen_unmap_portio_range(ioservid, start_addr, end_addr); |
260cabed PD |
339 | xc_hvm_unmap_io_range_from_ioreq_server(xen_xc, dom, ioservid, |
340 | 0, start_addr, end_addr); | |
3996e85c PD |
341 | } |
342 | ||
260cabed | 343 | static inline void xen_map_pcidev(domid_t dom, |
3996e85c PD |
344 | ioservid_t ioservid, |
345 | PCIDevice *pci_dev) | |
346 | { | |
b7665c60 PD |
347 | if (use_default_ioreq_server) { |
348 | return; | |
349 | } | |
350 | ||
3996e85c PD |
351 | trace_xen_map_pcidev(ioservid, pci_bus_num(pci_dev->bus), |
352 | PCI_SLOT(pci_dev->devfn), PCI_FUNC(pci_dev->devfn)); | |
260cabed PD |
353 | xc_hvm_map_pcidev_to_ioreq_server(xen_xc, dom, ioservid, 0, |
354 | pci_bus_num(pci_dev->bus), | |
3996e85c PD |
355 | PCI_SLOT(pci_dev->devfn), |
356 | PCI_FUNC(pci_dev->devfn)); | |
357 | } | |
358 | ||
260cabed | 359 | static inline void xen_unmap_pcidev(domid_t dom, |
3996e85c PD |
360 | ioservid_t ioservid, |
361 | PCIDevice *pci_dev) | |
362 | { | |
b7665c60 PD |
363 | if (use_default_ioreq_server) { |
364 | return; | |
365 | } | |
366 | ||
3996e85c PD |
367 | trace_xen_unmap_pcidev(ioservid, pci_bus_num(pci_dev->bus), |
368 | PCI_SLOT(pci_dev->devfn), PCI_FUNC(pci_dev->devfn)); | |
260cabed PD |
369 | xc_hvm_unmap_pcidev_from_ioreq_server(xen_xc, dom, ioservid, 0, |
370 | pci_bus_num(pci_dev->bus), | |
3996e85c PD |
371 | PCI_SLOT(pci_dev->devfn), |
372 | PCI_FUNC(pci_dev->devfn)); | |
373 | } | |
374 | ||
260cabed | 375 | static inline void xen_create_ioreq_server(domid_t dom, |
b7665c60 | 376 | ioservid_t *ioservid) |
3996e85c | 377 | { |
260cabed PD |
378 | int rc = xc_hvm_create_ioreq_server(xen_xc, dom, |
379 | HVM_IOREQSRV_BUFIOREQ_ATOMIC, | |
d8b441a3 | 380 | ioservid); |
3996e85c PD |
381 | |
382 | if (rc == 0) { | |
383 | trace_xen_ioreq_server_create(*ioservid); | |
b7665c60 | 384 | return; |
3996e85c PD |
385 | } |
386 | ||
b7665c60 PD |
387 | *ioservid = 0; |
388 | use_default_ioreq_server = true; | |
389 | trace_xen_default_ioreq_server(); | |
3996e85c PD |
390 | } |
391 | ||
260cabed | 392 | static inline void xen_destroy_ioreq_server(domid_t dom, |
3996e85c PD |
393 | ioservid_t ioservid) |
394 | { | |
b7665c60 PD |
395 | if (use_default_ioreq_server) { |
396 | return; | |
397 | } | |
398 | ||
3996e85c | 399 | trace_xen_ioreq_server_destroy(ioservid); |
260cabed | 400 | xc_hvm_destroy_ioreq_server(xen_xc, dom, ioservid); |
3996e85c PD |
401 | } |
402 | ||
260cabed | 403 | static inline int xen_get_ioreq_server_info(domid_t dom, |
3996e85c PD |
404 | ioservid_t ioservid, |
405 | xen_pfn_t *ioreq_pfn, | |
406 | xen_pfn_t *bufioreq_pfn, | |
407 | evtchn_port_t *bufioreq_evtchn) | |
408 | { | |
b7665c60 | 409 | if (use_default_ioreq_server) { |
260cabed | 410 | return xen_get_default_ioreq_server_info(dom, ioreq_pfn, |
b7665c60 PD |
411 | bufioreq_pfn, |
412 | bufioreq_evtchn); | |
413 | } | |
414 | ||
260cabed | 415 | return xc_hvm_get_ioreq_server_info(xen_xc, dom, ioservid, |
3996e85c PD |
416 | ioreq_pfn, bufioreq_pfn, |
417 | bufioreq_evtchn); | |
418 | } | |
419 | ||
260cabed | 420 | static inline int xen_set_ioreq_server_state(domid_t dom, |
3996e85c PD |
421 | ioservid_t ioservid, |
422 | bool enable) | |
423 | { | |
b7665c60 PD |
424 | if (use_default_ioreq_server) { |
425 | return 0; | |
426 | } | |
427 | ||
3996e85c | 428 | trace_xen_ioreq_server_state(ioservid, enable); |
260cabed PD |
429 | return xc_hvm_set_ioreq_server_state(xen_xc, dom, ioservid, |
430 | enable); | |
3996e85c PD |
431 | } |
432 | ||
433 | #endif | |
434 | ||
20a544c7 | 435 | #if CONFIG_XEN_CTRL_INTERFACE_VERSION < 460 |
81daba58 | 436 | static inline int xen_xc_domain_add_to_physmap(xc_interface *xch, uint32_t domid, |
20a544c7 KRW |
437 | unsigned int space, |
438 | unsigned long idx, | |
439 | xen_pfn_t gpfn) | |
440 | { | |
441 | return xc_domain_add_to_physmap(xch, domid, space, idx, gpfn); | |
442 | } | |
443 | #else | |
81daba58 | 444 | static inline int xen_xc_domain_add_to_physmap(xc_interface *xch, uint32_t domid, |
20a544c7 KRW |
445 | unsigned int space, |
446 | unsigned long idx, | |
447 | xen_pfn_t gpfn) | |
448 | { | |
449 | /* In Xen 4.6 rc is -1 and errno contains the error value. */ | |
450 | int rc = xc_domain_add_to_physmap(xch, domid, space, idx, gpfn); | |
451 | if (rc == -1) | |
452 | return errno; | |
453 | return rc; | |
454 | } | |
455 | #endif | |
456 | ||
64a7ad6f | 457 | #ifdef CONFIG_XEN_PV_DOMAIN_BUILD |
cdadde39 | 458 | #if CONFIG_XEN_CTRL_INTERFACE_VERSION < 470 |
81daba58 | 459 | static inline int xen_domain_create(xc_interface *xc, uint32_t ssidref, |
cdadde39 RPM |
460 | xen_domain_handle_t handle, uint32_t flags, |
461 | uint32_t *pdomid) | |
462 | { | |
463 | return xc_domain_create(xc, ssidref, handle, flags, pdomid); | |
464 | } | |
465 | #else | |
81daba58 | 466 | static inline int xen_domain_create(xc_interface *xc, uint32_t ssidref, |
cdadde39 RPM |
467 | xen_domain_handle_t handle, uint32_t flags, |
468 | uint32_t *pdomid) | |
469 | { | |
470 | return xc_domain_create(xc, ssidref, handle, flags, pdomid, NULL); | |
471 | } | |
472 | #endif | |
64a7ad6f | 473 | #endif |
cdadde39 | 474 | |
b6eb9b45 PS |
475 | /* Xen before 4.8 */ |
476 | ||
477 | #if CONFIG_XEN_CTRL_INTERFACE_VERSION < 480 | |
478 | ||
479 | ||
480 | typedef void *xengnttab_grant_copy_segment_t; | |
481 | ||
482 | static inline int xengnttab_grant_copy(xengnttab_handle *xgt, uint32_t count, | |
483 | xengnttab_grant_copy_segment_t *segs) | |
484 | { | |
485 | return -ENOSYS; | |
486 | } | |
487 | #endif | |
488 | ||
d94f9486 | 489 | #endif /* QEMU_HW_XEN_COMMON_H */ |