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 uint16_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 */