1 #ifndef QEMU_HW_XEN_COMMON_H
2 #define QEMU_HW_XEN_COMMON_H 1
4 #include "config-host.h"
10 #if CONFIG_XEN_CTRL_INTERFACE_VERSION < 420
13 # include <xenstore.h>
15 #include <xen/io/xenbus.h>
18 #include "hw/xen/xen.h"
19 #include "hw/pci/pci.h"
20 #include "qemu/queue.h"
24 * We don't support Xen prior to 3.3.0.
28 #if CONFIG_XEN_CTRL_INTERFACE_VERSION < 400
29 static inline void *xc_map_foreign_bulk(int xc_handle
, uint32_t dom
, int prot
,
30 xen_pfn_t
*arr
, int *err
,
33 return xc_map_foreign_batch(xc_handle
, dom
, prot
, arr
, num
);
39 #if CONFIG_XEN_CTRL_INTERFACE_VERSION < 410
42 typedef int XenEvtchn
;
43 typedef int XenGnttab
;
45 # define XC_INTERFACE_FMT "%i"
46 # define XC_HANDLER_INITIAL_VALUE -1
48 static inline XenEvtchn
xen_xc_evtchn_open(void *logger
,
49 unsigned int open_flags
)
51 return xc_evtchn_open();
54 static inline XenGnttab
xen_xc_gnttab_open(void *logger
,
55 unsigned int open_flags
)
57 return xc_gnttab_open();
60 static inline XenXC
xen_xc_interface_open(void *logger
, void *dombuild_logger
,
61 unsigned int open_flags
)
63 return xc_interface_open();
66 static inline int xc_fd(int xen_xc
)
72 static inline int xc_domain_populate_physmap_exact
73 (XenXC xc_handle
, uint32_t domid
, unsigned long nr_extents
,
74 unsigned int extent_order
, unsigned int mem_flags
, xen_pfn_t
*extent_start
)
76 return xc_domain_memory_populate_physmap
77 (xc_handle
, domid
, nr_extents
, extent_order
, mem_flags
, extent_start
);
80 static inline int xc_domain_add_to_physmap(int xc_handle
, uint32_t domid
,
81 unsigned int space
, unsigned long idx
,
84 struct xen_add_to_physmap xatp
= {
91 return xc_memory_op(xc_handle
, XENMEM_add_to_physmap
, &xatp
);
94 static inline struct xs_handle
*xs_open(unsigned long flags
)
96 return xs_daemon_open();
99 static inline void xs_close(struct xs_handle
*xsh
)
102 xs_daemon_close(xsh
);
110 typedef xc_interface
*XenXC
;
111 typedef xc_evtchn
*XenEvtchn
;
112 typedef xc_gnttab
*XenGnttab
;
114 # define XC_INTERFACE_FMT "%p"
115 # define XC_HANDLER_INITIAL_VALUE NULL
117 static inline XenEvtchn
xen_xc_evtchn_open(void *logger
,
118 unsigned int open_flags
)
120 return xc_evtchn_open(logger
, open_flags
);
123 static inline XenGnttab
xen_xc_gnttab_open(void *logger
,
124 unsigned int open_flags
)
126 return xc_gnttab_open(logger
, open_flags
);
129 static inline XenXC
xen_xc_interface_open(void *logger
, void *dombuild_logger
,
130 unsigned int open_flags
)
132 return xc_interface_open(logger
, dombuild_logger
, open_flags
);
135 /* FIXME There is now way to have the xen fd */
136 static inline int xc_fd(xc_interface
*xen_xc
)
143 #if CONFIG_XEN_CTRL_INTERFACE_VERSION < 420
144 static inline int xen_xc_hvm_inject_msi(XenXC xen_xc
, domid_t dom
,
145 uint64_t addr
, uint32_t data
)
149 /* The followings are only to compile op_discard related code on older
151 #define BLKIF_OP_DISCARD 5
152 struct blkif_request_discard
{
154 uint64_t sector_number
;
157 static inline int xen_xc_hvm_inject_msi(XenXC xen_xc
, domid_t dom
,
158 uint64_t addr
, uint32_t data
)
160 return xc_hvm_inject_msi(xen_xc
, dom
, addr
, data
);
164 void destroy_hvm_domain(bool reboot
);
166 /* shutdown/destroy current domain because of an error */
167 void xen_shutdown_fatal_error(const char *fmt
, ...) GCC_FMT_ATTR(1, 2);
169 #ifdef HVM_PARAM_VMPORT_REGS_PFN
170 static inline int xen_get_vmport_regs_pfn(XenXC xc
, domid_t dom
,
171 xen_pfn_t
*vmport_regs_pfn
)
175 rc
= xc_hvm_param_get(xc
, dom
, HVM_PARAM_VMPORT_REGS_PFN
, &value
);
177 *vmport_regs_pfn
= (xen_pfn_t
) value
;
182 static inline int xen_get_vmport_regs_pfn(XenXC xc
, domid_t dom
,
183 xen_pfn_t
*vmport_regs_pfn
)
190 #if CONFIG_XEN_CTRL_INTERFACE_VERSION < 450
192 #ifndef HVM_PARAM_BUFIOREQ_EVTCHN
193 #define HVM_PARAM_BUFIOREQ_EVTCHN 26
196 #define IOREQ_TYPE_PCI_CONFIG 2
198 typedef uint32_t ioservid_t
;
200 static inline void xen_map_memory_section(XenXC xc
, domid_t dom
,
202 MemoryRegionSection
*section
)
206 static inline void xen_unmap_memory_section(XenXC xc
, domid_t dom
,
208 MemoryRegionSection
*section
)
212 static inline void xen_map_io_section(XenXC xc
, domid_t dom
,
214 MemoryRegionSection
*section
)
218 static inline void xen_unmap_io_section(XenXC xc
, domid_t dom
,
220 MemoryRegionSection
*section
)
224 static inline void xen_map_pcidev(XenXC xc
, domid_t dom
,
230 static inline void xen_unmap_pcidev(XenXC xc
, domid_t dom
,
236 static inline int xen_create_ioreq_server(XenXC xc
, domid_t dom
,
237 ioservid_t
*ioservid
)
242 static inline void xen_destroy_ioreq_server(XenXC xc
, domid_t dom
,
247 static inline int xen_get_ioreq_server_info(XenXC xc
, domid_t dom
,
249 xen_pfn_t
*ioreq_pfn
,
250 xen_pfn_t
*bufioreq_pfn
,
251 evtchn_port_t
*bufioreq_evtchn
)
256 rc
= xc_get_hvm_param(xc
, dom
, HVM_PARAM_IOREQ_PFN
, ¶m
);
258 fprintf(stderr
, "failed to get HVM_PARAM_IOREQ_PFN\n");
264 rc
= xc_get_hvm_param(xc
, dom
, HVM_PARAM_BUFIOREQ_PFN
, ¶m
);
266 fprintf(stderr
, "failed to get HVM_PARAM_BUFIOREQ_PFN\n");
270 *bufioreq_pfn
= param
;
272 rc
= xc_get_hvm_param(xc
, dom
, HVM_PARAM_BUFIOREQ_EVTCHN
,
275 fprintf(stderr
, "failed to get HVM_PARAM_BUFIOREQ_EVTCHN\n");
279 *bufioreq_evtchn
= param
;
284 static inline int xen_set_ioreq_server_state(XenXC xc
, domid_t dom
,
294 static inline void xen_map_memory_section(XenXC xc
, domid_t dom
,
296 MemoryRegionSection
*section
)
298 hwaddr start_addr
= section
->offset_within_address_space
;
299 ram_addr_t size
= int128_get64(section
->size
);
300 hwaddr end_addr
= start_addr
+ size
- 1;
302 trace_xen_map_mmio_range(ioservid
, start_addr
, end_addr
);
303 xc_hvm_map_io_range_to_ioreq_server(xc
, dom
, ioservid
, 1,
304 start_addr
, end_addr
);
307 static inline void xen_unmap_memory_section(XenXC xc
, domid_t dom
,
309 MemoryRegionSection
*section
)
311 hwaddr start_addr
= section
->offset_within_address_space
;
312 ram_addr_t size
= int128_get64(section
->size
);
313 hwaddr end_addr
= start_addr
+ size
- 1;
315 trace_xen_unmap_mmio_range(ioservid
, start_addr
, end_addr
);
316 xc_hvm_unmap_io_range_from_ioreq_server(xc
, dom
, ioservid
, 1,
317 start_addr
, end_addr
);
320 static inline void xen_map_io_section(XenXC xc
, domid_t dom
,
322 MemoryRegionSection
*section
)
324 hwaddr start_addr
= section
->offset_within_address_space
;
325 ram_addr_t size
= int128_get64(section
->size
);
326 hwaddr end_addr
= start_addr
+ size
- 1;
328 trace_xen_map_portio_range(ioservid
, start_addr
, end_addr
);
329 xc_hvm_map_io_range_to_ioreq_server(xc
, dom
, ioservid
, 0,
330 start_addr
, end_addr
);
333 static inline void xen_unmap_io_section(XenXC xc
, domid_t dom
,
335 MemoryRegionSection
*section
)
337 hwaddr start_addr
= section
->offset_within_address_space
;
338 ram_addr_t size
= int128_get64(section
->size
);
339 hwaddr end_addr
= start_addr
+ size
- 1;
341 trace_xen_unmap_portio_range(ioservid
, start_addr
, end_addr
);
342 xc_hvm_unmap_io_range_from_ioreq_server(xc
, dom
, ioservid
, 0,
343 start_addr
, end_addr
);
346 static inline void xen_map_pcidev(XenXC xc
, domid_t dom
,
350 trace_xen_map_pcidev(ioservid
, pci_bus_num(pci_dev
->bus
),
351 PCI_SLOT(pci_dev
->devfn
), PCI_FUNC(pci_dev
->devfn
));
352 xc_hvm_map_pcidev_to_ioreq_server(xc
, dom
, ioservid
,
353 0, pci_bus_num(pci_dev
->bus
),
354 PCI_SLOT(pci_dev
->devfn
),
355 PCI_FUNC(pci_dev
->devfn
));
358 static inline void xen_unmap_pcidev(XenXC xc
, domid_t dom
,
362 trace_xen_unmap_pcidev(ioservid
, pci_bus_num(pci_dev
->bus
),
363 PCI_SLOT(pci_dev
->devfn
), PCI_FUNC(pci_dev
->devfn
));
364 xc_hvm_unmap_pcidev_from_ioreq_server(xc
, dom
, ioservid
,
365 0, pci_bus_num(pci_dev
->bus
),
366 PCI_SLOT(pci_dev
->devfn
),
367 PCI_FUNC(pci_dev
->devfn
));
370 static inline int xen_create_ioreq_server(XenXC xc
, domid_t dom
,
371 ioservid_t
*ioservid
)
373 int rc
= xc_hvm_create_ioreq_server(xc
, dom
, 1, ioservid
);
376 trace_xen_ioreq_server_create(*ioservid
);
382 static inline void xen_destroy_ioreq_server(XenXC xc
, domid_t dom
,
385 trace_xen_ioreq_server_destroy(ioservid
);
386 xc_hvm_destroy_ioreq_server(xc
, dom
, ioservid
);
389 static inline int xen_get_ioreq_server_info(XenXC xc
, domid_t dom
,
391 xen_pfn_t
*ioreq_pfn
,
392 xen_pfn_t
*bufioreq_pfn
,
393 evtchn_port_t
*bufioreq_evtchn
)
395 return xc_hvm_get_ioreq_server_info(xc
, dom
, ioservid
,
396 ioreq_pfn
, bufioreq_pfn
,
400 static inline int xen_set_ioreq_server_state(XenXC xc
, domid_t dom
,
404 trace_xen_ioreq_server_state(ioservid
, enable
);
405 return xc_hvm_set_ioreq_server_state(xc
, dom
, ioservid
, enable
);
410 #endif /* QEMU_HW_XEN_COMMON_H */