#ifndef QEMU_HW_XEN_COMMON_H #define QEMU_HW_XEN_COMMON_H 1 #include "config-host.h" #include <stddef.h> #include <inttypes.h> #include <xenctrl.h> #include <xs.h> #include <xen/io/xenbus.h> #include "hw.h" #include "xen.h" #include "qemu-queue.h" /* * We don't support Xen prior to 3.3.0. */ /* Xen before 4.0 */ #if CONFIG_XEN_CTRL_INTERFACE_VERSION < 400 static inline void *xc_map_foreign_bulk(int xc_handle, uint32_t dom, int prot, xen_pfn_t *arr, int *err, unsigned int num) { return xc_map_foreign_batch(xc_handle, dom, prot, arr, num); } #endif /* Xen before 4.1 */ #if CONFIG_XEN_CTRL_INTERFACE_VERSION < 410 typedef int XenXC; typedef int XenEvtchn; typedef int XenGnttab; # define XC_INTERFACE_FMT "%i" # define XC_HANDLER_INITIAL_VALUE -1 static inline XenEvtchn xen_xc_evtchn_open(void *logger, unsigned int open_flags) { return xc_evtchn_open(); } static inline XenGnttab xen_xc_gnttab_open(void *logger, unsigned int open_flags) { return xc_gnttab_open(); } static inline XenXC xen_xc_interface_open(void *logger, void *dombuild_logger, unsigned int open_flags) { return xc_interface_open(); } static inline int xc_fd(int xen_xc) { return xen_xc; } static inline int xc_domain_populate_physmap_exact (XenXC xc_handle, uint32_t domid, unsigned long nr_extents, unsigned int extent_order, unsigned int mem_flags, xen_pfn_t *extent_start) { return xc_domain_memory_populate_physmap (xc_handle, domid, nr_extents, extent_order, mem_flags, extent_start); } static inline int xc_domain_add_to_physmap(int xc_handle, uint32_t domid, unsigned int space, unsigned long idx, xen_pfn_t gpfn) { struct xen_add_to_physmap xatp = { .domid = domid, .space = space, .idx = idx, .gpfn = gpfn, }; return xc_memory_op(xc_handle, XENMEM_add_to_physmap, &xatp); } static inline struct xs_handle *xs_open(unsigned long flags) { return xs_daemon_open(); } static inline void xs_close(struct xs_handle *xsh) { if (xsh != NULL) { xs_daemon_close(xsh); } } /* Xen 4.1 */ #else typedef xc_interface *XenXC; typedef xc_evtchn *XenEvtchn; typedef xc_gnttab *XenGnttab; # define XC_INTERFACE_FMT "%p" # define XC_HANDLER_INITIAL_VALUE NULL static inline XenEvtchn xen_xc_evtchn_open(void *logger, unsigned int open_flags) { return xc_evtchn_open(logger, open_flags); } static inline XenGnttab xen_xc_gnttab_open(void *logger, unsigned int open_flags) { return xc_gnttab_open(logger, open_flags); } static inline XenXC xen_xc_interface_open(void *logger, void *dombuild_logger, unsigned int open_flags) { return xc_interface_open(logger, dombuild_logger, open_flags); } /* FIXME There is now way to have the xen fd */ static inline int xc_fd(xc_interface *xen_xc) { return -1; } #endif void destroy_hvm_domain(void); #endif /* QEMU_HW_XEN_COMMON_H */