1 #ifndef QEMU_HW_XEN_COMMON_H
2 #define QEMU_HW_XEN_COMMON_H
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
9 #undef XC_WANT_COMPAT_EVTCHN_API
10 #undef XC_WANT_COMPAT_GNTTAB_API
11 #undef XC_WANT_COMPAT_MAP_FOREIGN_API
15 #include <xen/io/xenbus.h>
18 #include "hw/xen/xen.h"
19 #include "hw/pci/pci.h"
20 #include "qemu/queue.h"
21 #include "hw/xen/trace.h"
23 extern xc_interface
*xen_xc
;
26 * We don't support Xen prior to 4.2.0.
29 /* Xen 4.2 through 4.6 */
30 #if CONFIG_XEN_CTRL_INTERFACE_VERSION < 40701
32 typedef xc_interface xenforeignmemory_handle
;
33 typedef xc_evtchn xenevtchn_handle
;
34 typedef xc_gnttab xengnttab_handle
;
35 typedef evtchn_port_or_error_t xenevtchn_port_or_error_t
;
37 #define xenevtchn_open(l, f) xc_evtchn_open(l, f);
38 #define xenevtchn_close(h) xc_evtchn_close(h)
39 #define xenevtchn_fd(h) xc_evtchn_fd(h)
40 #define xenevtchn_pending(h) xc_evtchn_pending(h)
41 #define xenevtchn_notify(h, p) xc_evtchn_notify(h, p)
42 #define xenevtchn_bind_interdomain(h, d, p) xc_evtchn_bind_interdomain(h, d, p)
43 #define xenevtchn_unmask(h, p) xc_evtchn_unmask(h, p)
44 #define xenevtchn_unbind(h, p) xc_evtchn_unbind(h, p)
46 #define xengnttab_open(l, f) xc_gnttab_open(l, f)
47 #define xengnttab_close(h) xc_gnttab_close(h)
48 #define xengnttab_set_max_grants(h, n) xc_gnttab_set_max_grants(h, n)
49 #define xengnttab_map_grant_ref(h, d, r, p) xc_gnttab_map_grant_ref(h, d, r, p)
50 #define xengnttab_unmap(h, a, n) xc_gnttab_munmap(h, a, n)
51 #define xengnttab_map_grant_refs(h, c, d, r, p) \
52 xc_gnttab_map_grant_refs(h, c, d, r, p)
53 #define xengnttab_map_domain_grant_refs(h, c, d, r, p) \
54 xc_gnttab_map_domain_grant_refs(h, c, d, r, p)
56 #define xenforeignmemory_open(l, f) xen_xc
57 #define xenforeignmemory_close(h)
59 static inline void *xenforeignmemory_map(xc_interface
*h
, uint32_t dom
,
60 int prot
, size_t pages
,
61 const xen_pfn_t arr
[/*pages*/],
65 return xc_map_foreign_bulk(h
, dom
, prot
, arr
, err
, pages
);
67 return xc_map_foreign_pages(h
, dom
, prot
, arr
, pages
);
70 #define xenforeignmemory_unmap(h, p, s) munmap(p, s * XC_PAGE_SIZE)
72 #else /* CONFIG_XEN_CTRL_INTERFACE_VERSION >= 40701 */
74 #include <xenevtchn.h>
75 #include <xengnttab.h>
76 #include <xenforeignmemory.h>
80 extern xenforeignmemory_handle
*xen_fmem
;
82 #if CONFIG_XEN_CTRL_INTERFACE_VERSION < 40900
84 typedef xc_interface xendevicemodel_handle
;
86 #else /* CONFIG_XEN_CTRL_INTERFACE_VERSION >= 40900 */
88 #undef XC_WANT_COMPAT_DEVICEMODEL_API
89 #include <xendevicemodel.h>
93 #if CONFIG_XEN_CTRL_INTERFACE_VERSION < 41100
95 static inline int xendevicemodel_relocate_memory(
96 xendevicemodel_handle
*dmod
, domid_t domid
, uint32_t size
, uint64_t src_gfn
,
102 for (i
= 0; i
< size
; i
++) {
103 unsigned long idx
= src_gfn
+ i
;
104 xen_pfn_t gpfn
= dst_gfn
+ i
;
106 rc
= xc_domain_add_to_physmap(xen_xc
, domid
, XENMAPSPACE_gmfn
, idx
,
116 static inline int xendevicemodel_pin_memory_cacheattr(
117 xendevicemodel_handle
*dmod
, domid_t domid
, uint64_t start
, uint64_t end
,
120 return xc_domain_pin_memory_cacheattr(xen_xc
, domid
, start
, end
, type
);
123 typedef void xenforeignmemory_resource_handle
;
125 #define XENMEM_resource_ioreq_server 0
127 #define XENMEM_resource_ioreq_server_frame_bufioreq 0
128 #define XENMEM_resource_ioreq_server_frame_ioreq(n) (1 + (n))
130 static inline xenforeignmemory_resource_handle
*xenforeignmemory_map_resource(
131 xenforeignmemory_handle
*fmem
, domid_t domid
, unsigned int type
,
132 unsigned int id
, unsigned long frame
, unsigned long nr_frames
,
133 void **paddr
, int prot
, int flags
)
139 #endif /* CONFIG_XEN_CTRL_INTERFACE_VERSION < 41100 */
141 #if CONFIG_XEN_CTRL_INTERFACE_VERSION < 41000
143 #define XEN_COMPAT_PHYSMAP
144 static inline void *xenforeignmemory_map2(xenforeignmemory_handle
*h
,
145 uint32_t dom
, void *addr
,
146 int prot
, int flags
, size_t pages
,
147 const xen_pfn_t arr
[/*pages*/],
150 assert(addr
== NULL
&& flags
== 0);
151 return xenforeignmemory_map(h
, dom
, prot
, pages
, arr
, err
);
154 static inline int xentoolcore_restrict_all(domid_t domid
)
160 static inline int xendevicemodel_shutdown(xendevicemodel_handle
*dmod
,
161 domid_t domid
, unsigned int reason
)
167 #else /* CONFIG_XEN_CTRL_INTERFACE_VERSION >= 41000 */
169 #include <xentoolcore.h>
173 #if CONFIG_XEN_CTRL_INTERFACE_VERSION < 40900
175 static inline xendevicemodel_handle
*xendevicemodel_open(
176 struct xentoollog_logger
*logger
, unsigned int open_flags
)
181 #if CONFIG_XEN_CTRL_INTERFACE_VERSION >= 40500
183 static inline int xendevicemodel_create_ioreq_server(
184 xendevicemodel_handle
*dmod
, domid_t domid
, int handle_bufioreq
,
187 return xc_hvm_create_ioreq_server(dmod
, domid
, handle_bufioreq
,
191 static inline int xendevicemodel_get_ioreq_server_info(
192 xendevicemodel_handle
*dmod
, domid_t domid
, ioservid_t id
,
193 xen_pfn_t
*ioreq_pfn
, xen_pfn_t
*bufioreq_pfn
,
194 evtchn_port_t
*bufioreq_port
)
196 return xc_hvm_get_ioreq_server_info(dmod
, domid
, id
, ioreq_pfn
,
197 bufioreq_pfn
, bufioreq_port
);
200 static inline int xendevicemodel_map_io_range_to_ioreq_server(
201 xendevicemodel_handle
*dmod
, domid_t domid
, ioservid_t id
, int is_mmio
,
202 uint64_t start
, uint64_t end
)
204 return xc_hvm_map_io_range_to_ioreq_server(dmod
, domid
, id
, is_mmio
,
208 static inline int xendevicemodel_unmap_io_range_from_ioreq_server(
209 xendevicemodel_handle
*dmod
, domid_t domid
, ioservid_t id
, int is_mmio
,
210 uint64_t start
, uint64_t end
)
212 return xc_hvm_unmap_io_range_from_ioreq_server(dmod
, domid
, id
, is_mmio
,
216 static inline int xendevicemodel_map_pcidev_to_ioreq_server(
217 xendevicemodel_handle
*dmod
, domid_t domid
, ioservid_t id
,
218 uint16_t segment
, uint8_t bus
, uint8_t device
, uint8_t function
)
220 return xc_hvm_map_pcidev_to_ioreq_server(dmod
, domid
, id
, segment
,
221 bus
, device
, function
);
224 static inline int xendevicemodel_unmap_pcidev_from_ioreq_server(
225 xendevicemodel_handle
*dmod
, domid_t domid
, ioservid_t id
,
226 uint16_t segment
, uint8_t bus
, uint8_t device
, uint8_t function
)
228 return xc_hvm_unmap_pcidev_from_ioreq_server(dmod
, domid
, id
, segment
,
229 bus
, device
, function
);
232 static inline int xendevicemodel_destroy_ioreq_server(
233 xendevicemodel_handle
*dmod
, domid_t domid
, ioservid_t id
)
235 return xc_hvm_destroy_ioreq_server(dmod
, domid
, id
);
238 static inline int xendevicemodel_set_ioreq_server_state(
239 xendevicemodel_handle
*dmod
, domid_t domid
, ioservid_t id
, int enabled
)
241 return xc_hvm_set_ioreq_server_state(dmod
, domid
, id
, enabled
);
244 #endif /* CONFIG_XEN_CTRL_INTERFACE_VERSION >= 40500 */
246 static inline int xendevicemodel_set_pci_intx_level(
247 xendevicemodel_handle
*dmod
, domid_t domid
, uint16_t segment
,
248 uint8_t bus
, uint8_t device
, uint8_t intx
, unsigned int level
)
250 return xc_hvm_set_pci_intx_level(dmod
, domid
, segment
, bus
, device
,
254 static inline int xendevicemodel_set_isa_irq_level(
255 xendevicemodel_handle
*dmod
, domid_t domid
, uint8_t irq
,
258 return xc_hvm_set_isa_irq_level(dmod
, domid
, irq
, level
);
261 static inline int xendevicemodel_set_pci_link_route(
262 xendevicemodel_handle
*dmod
, domid_t domid
, uint8_t link
, uint8_t irq
)
264 return xc_hvm_set_pci_link_route(dmod
, domid
, link
, irq
);
267 static inline int xendevicemodel_inject_msi(
268 xendevicemodel_handle
*dmod
, domid_t domid
, uint64_t msi_addr
,
271 return xc_hvm_inject_msi(dmod
, domid
, msi_addr
, msi_data
);
274 static inline int xendevicemodel_track_dirty_vram(
275 xendevicemodel_handle
*dmod
, domid_t domid
, uint64_t first_pfn
,
276 uint32_t nr
, unsigned long *dirty_bitmap
)
278 return xc_hvm_track_dirty_vram(dmod
, domid
, first_pfn
, nr
,
282 static inline int xendevicemodel_modified_memory(
283 xendevicemodel_handle
*dmod
, domid_t domid
, uint64_t first_pfn
,
286 return xc_hvm_modified_memory(dmod
, domid
, first_pfn
, nr
);
289 static inline int xendevicemodel_set_mem_type(
290 xendevicemodel_handle
*dmod
, domid_t domid
, hvmmem_type_t mem_type
,
291 uint64_t first_pfn
, uint32_t nr
)
293 return xc_hvm_set_mem_type(dmod
, domid
, mem_type
, first_pfn
, nr
);
298 extern xendevicemodel_handle
*xen_dmod
;
300 static inline int xen_set_mem_type(domid_t domid
, hvmmem_type_t type
,
301 uint64_t first_pfn
, uint32_t nr
)
303 return xendevicemodel_set_mem_type(xen_dmod
, domid
, type
, first_pfn
,
307 static inline int xen_set_pci_intx_level(domid_t domid
, uint16_t segment
,
308 uint8_t bus
, uint8_t device
,
309 uint8_t intx
, unsigned int level
)
311 return xendevicemodel_set_pci_intx_level(xen_dmod
, domid
, segment
, bus
,
312 device
, intx
, level
);
315 static inline int xen_set_pci_link_route(domid_t domid
, uint8_t link
,
318 return xendevicemodel_set_pci_link_route(xen_dmod
, domid
, link
, irq
);
321 static inline int xen_inject_msi(domid_t domid
, uint64_t msi_addr
,
324 return xendevicemodel_inject_msi(xen_dmod
, domid
, msi_addr
, msi_data
);
327 static inline int xen_set_isa_irq_level(domid_t domid
, uint8_t irq
,
330 return xendevicemodel_set_isa_irq_level(xen_dmod
, domid
, irq
, level
);
333 static inline int xen_track_dirty_vram(domid_t domid
, uint64_t first_pfn
,
334 uint32_t nr
, unsigned long *bitmap
)
336 return xendevicemodel_track_dirty_vram(xen_dmod
, domid
, first_pfn
, nr
,
340 static inline int xen_modified_memory(domid_t domid
, uint64_t first_pfn
,
343 return xendevicemodel_modified_memory(xen_dmod
, domid
, first_pfn
, nr
);
346 static inline int xen_restrict(domid_t domid
)
349 rc
= xentoolcore_restrict_all(domid
);
350 trace_xen_domid_restrict(rc
? errno
: 0);
354 void destroy_hvm_domain(bool reboot
);
356 /* shutdown/destroy current domain because of an error */
357 void xen_shutdown_fatal_error(const char *fmt
, ...) GCC_FMT_ATTR(1, 2);
359 #ifdef HVM_PARAM_VMPORT_REGS_PFN
360 static inline int xen_get_vmport_regs_pfn(xc_interface
*xc
, domid_t dom
,
361 xen_pfn_t
*vmport_regs_pfn
)
365 rc
= xc_hvm_param_get(xc
, dom
, HVM_PARAM_VMPORT_REGS_PFN
, &value
);
367 *vmport_regs_pfn
= (xen_pfn_t
) value
;
372 static inline int xen_get_vmport_regs_pfn(xc_interface
*xc
, domid_t dom
,
373 xen_pfn_t
*vmport_regs_pfn
)
380 #if CONFIG_XEN_CTRL_INTERFACE_VERSION < 40600
382 #ifndef HVM_IOREQSRV_BUFIOREQ_ATOMIC
383 #define HVM_IOREQSRV_BUFIOREQ_ATOMIC 2
388 static inline int xen_get_default_ioreq_server_info(domid_t dom
,
389 xen_pfn_t
*ioreq_pfn
,
390 xen_pfn_t
*bufioreq_pfn
,
397 rc
= xc_get_hvm_param(xen_xc
, dom
, HVM_PARAM_IOREQ_PFN
, ¶m
);
399 fprintf(stderr
, "failed to get HVM_PARAM_IOREQ_PFN\n");
405 rc
= xc_get_hvm_param(xen_xc
, dom
, HVM_PARAM_BUFIOREQ_PFN
, ¶m
);
407 fprintf(stderr
, "failed to get HVM_PARAM_BUFIOREQ_PFN\n");
411 *bufioreq_pfn
= param
;
413 rc
= xc_get_hvm_param(xen_xc
, dom
, HVM_PARAM_BUFIOREQ_EVTCHN
,
416 fprintf(stderr
, "failed to get HVM_PARAM_BUFIOREQ_EVTCHN\n");
420 *bufioreq_evtchn
= param
;
426 #if CONFIG_XEN_CTRL_INTERFACE_VERSION < 40500
428 #ifndef HVM_PARAM_BUFIOREQ_EVTCHN
429 #define HVM_PARAM_BUFIOREQ_EVTCHN 26
432 #define IOREQ_TYPE_PCI_CONFIG 2
434 typedef uint16_t ioservid_t
;
436 static inline void xen_map_memory_section(domid_t dom
,
438 MemoryRegionSection
*section
)
442 static inline void xen_unmap_memory_section(domid_t dom
,
444 MemoryRegionSection
*section
)
448 static inline void xen_map_io_section(domid_t dom
,
450 MemoryRegionSection
*section
)
454 static inline void xen_unmap_io_section(domid_t dom
,
456 MemoryRegionSection
*section
)
460 static inline void xen_map_pcidev(domid_t dom
,
466 static inline void xen_unmap_pcidev(domid_t dom
,
472 static inline void xen_create_ioreq_server(domid_t dom
,
473 ioservid_t
*ioservid
)
477 static inline void xen_destroy_ioreq_server(domid_t dom
,
482 static inline int xen_get_ioreq_server_info(domid_t dom
,
484 xen_pfn_t
*ioreq_pfn
,
485 xen_pfn_t
*bufioreq_pfn
,
486 evtchn_port_t
*bufioreq_evtchn
)
488 return xen_get_default_ioreq_server_info(dom
, ioreq_pfn
,
493 static inline int xen_set_ioreq_server_state(domid_t dom
,
503 static bool use_default_ioreq_server
;
505 static inline void xen_map_memory_section(domid_t dom
,
507 MemoryRegionSection
*section
)
509 hwaddr start_addr
= section
->offset_within_address_space
;
510 ram_addr_t size
= int128_get64(section
->size
);
511 hwaddr end_addr
= start_addr
+ size
- 1;
513 if (use_default_ioreq_server
) {
517 trace_xen_map_mmio_range(ioservid
, start_addr
, end_addr
);
518 xendevicemodel_map_io_range_to_ioreq_server(xen_dmod
, dom
, ioservid
, 1,
519 start_addr
, end_addr
);
522 static inline void xen_unmap_memory_section(domid_t dom
,
524 MemoryRegionSection
*section
)
526 hwaddr start_addr
= section
->offset_within_address_space
;
527 ram_addr_t size
= int128_get64(section
->size
);
528 hwaddr end_addr
= start_addr
+ size
- 1;
530 if (use_default_ioreq_server
) {
534 trace_xen_unmap_mmio_range(ioservid
, start_addr
, end_addr
);
535 xendevicemodel_unmap_io_range_from_ioreq_server(xen_dmod
, dom
, ioservid
,
536 1, start_addr
, end_addr
);
539 static inline void xen_map_io_section(domid_t dom
,
541 MemoryRegionSection
*section
)
543 hwaddr start_addr
= section
->offset_within_address_space
;
544 ram_addr_t size
= int128_get64(section
->size
);
545 hwaddr end_addr
= start_addr
+ size
- 1;
547 if (use_default_ioreq_server
) {
551 trace_xen_map_portio_range(ioservid
, start_addr
, end_addr
);
552 xendevicemodel_map_io_range_to_ioreq_server(xen_dmod
, dom
, ioservid
, 0,
553 start_addr
, end_addr
);
556 static inline void xen_unmap_io_section(domid_t dom
,
558 MemoryRegionSection
*section
)
560 hwaddr start_addr
= section
->offset_within_address_space
;
561 ram_addr_t size
= int128_get64(section
->size
);
562 hwaddr end_addr
= start_addr
+ size
- 1;
564 if (use_default_ioreq_server
) {
568 trace_xen_unmap_portio_range(ioservid
, start_addr
, end_addr
);
569 xendevicemodel_unmap_io_range_from_ioreq_server(xen_dmod
, dom
, ioservid
,
570 0, start_addr
, end_addr
);
573 static inline void xen_map_pcidev(domid_t dom
,
577 if (use_default_ioreq_server
) {
581 trace_xen_map_pcidev(ioservid
, pci_dev_bus_num(pci_dev
),
582 PCI_SLOT(pci_dev
->devfn
), PCI_FUNC(pci_dev
->devfn
));
583 xendevicemodel_map_pcidev_to_ioreq_server(xen_dmod
, dom
, ioservid
, 0,
584 pci_dev_bus_num(pci_dev
),
585 PCI_SLOT(pci_dev
->devfn
),
586 PCI_FUNC(pci_dev
->devfn
));
589 static inline void xen_unmap_pcidev(domid_t dom
,
593 if (use_default_ioreq_server
) {
597 trace_xen_unmap_pcidev(ioservid
, pci_dev_bus_num(pci_dev
),
598 PCI_SLOT(pci_dev
->devfn
), PCI_FUNC(pci_dev
->devfn
));
599 xendevicemodel_unmap_pcidev_from_ioreq_server(xen_dmod
, dom
, ioservid
, 0,
600 pci_dev_bus_num(pci_dev
),
601 PCI_SLOT(pci_dev
->devfn
),
602 PCI_FUNC(pci_dev
->devfn
));
605 static inline void xen_create_ioreq_server(domid_t dom
,
606 ioservid_t
*ioservid
)
608 int rc
= xendevicemodel_create_ioreq_server(xen_dmod
, dom
,
609 HVM_IOREQSRV_BUFIOREQ_ATOMIC
,
613 trace_xen_ioreq_server_create(*ioservid
);
618 use_default_ioreq_server
= true;
619 trace_xen_default_ioreq_server();
622 static inline void xen_destroy_ioreq_server(domid_t dom
,
625 if (use_default_ioreq_server
) {
629 trace_xen_ioreq_server_destroy(ioservid
);
630 xendevicemodel_destroy_ioreq_server(xen_dmod
, dom
, ioservid
);
633 static inline int xen_get_ioreq_server_info(domid_t dom
,
635 xen_pfn_t
*ioreq_pfn
,
636 xen_pfn_t
*bufioreq_pfn
,
637 evtchn_port_t
*bufioreq_evtchn
)
639 if (use_default_ioreq_server
) {
640 return xen_get_default_ioreq_server_info(dom
, ioreq_pfn
,
645 return xendevicemodel_get_ioreq_server_info(xen_dmod
, dom
, ioservid
,
646 ioreq_pfn
, bufioreq_pfn
,
650 static inline int xen_set_ioreq_server_state(domid_t dom
,
654 if (use_default_ioreq_server
) {
658 trace_xen_ioreq_server_state(ioservid
, enable
);
659 return xendevicemodel_set_ioreq_server_state(xen_dmod
, dom
, ioservid
,
667 #if CONFIG_XEN_CTRL_INTERFACE_VERSION < 40800
669 struct xengnttab_grant_copy_segment
{
670 union xengnttab_copy_ptr
{
683 typedef struct xengnttab_grant_copy_segment xengnttab_grant_copy_segment_t
;
685 static inline int xengnttab_grant_copy(xengnttab_handle
*xgt
, uint32_t count
,
686 xengnttab_grant_copy_segment_t
*segs
)
692 #endif /* QEMU_HW_XEN_COMMON_H */