root / hw / xen_common.h @ 6d3b6d3d
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#ifndef QEMU_HW_XEN_COMMON_H
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#define QEMU_HW_XEN_COMMON_H 1 |
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#include "config-host.h" |
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#include <stddef.h> |
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#include <inttypes.h> |
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#include <xenctrl.h> |
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#if CONFIG_XEN_CTRL_INTERFACE_VERSION < 420 |
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# include <xs.h> |
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#else
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# include <xenstore.h> |
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#endif
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#include <xen/io/xenbus.h> |
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#include "hw.h" |
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#include "xen.h" |
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#include "qemu-queue.h" |
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/*
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* We don't support Xen prior to 3.3.0.
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*/
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/* Xen before 4.0 */
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#if CONFIG_XEN_CTRL_INTERFACE_VERSION < 400 |
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static inline void *xc_map_foreign_bulk(int xc_handle, uint32_t dom, int prot, |
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xen_pfn_t *arr, int *err,
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unsigned int num) |
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{ |
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return xc_map_foreign_batch(xc_handle, dom, prot, arr, num);
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} |
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#endif
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/* Xen before 4.1 */
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#if CONFIG_XEN_CTRL_INTERFACE_VERSION < 410 |
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typedef int XenXC; |
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typedef int XenEvtchn; |
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typedef int XenGnttab; |
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# define XC_INTERFACE_FMT "%i" |
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# define XC_HANDLER_INITIAL_VALUE -1 |
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static inline XenEvtchn xen_xc_evtchn_open(void *logger, |
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unsigned int open_flags) |
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{ |
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return xc_evtchn_open();
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} |
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static inline XenGnttab xen_xc_gnttab_open(void *logger, |
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unsigned int open_flags) |
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{ |
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return xc_gnttab_open();
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} |
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static inline XenXC xen_xc_interface_open(void *logger, void *dombuild_logger, |
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unsigned int open_flags) |
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{ |
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return xc_interface_open();
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} |
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static inline int xc_fd(int xen_xc) |
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{ |
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return xen_xc;
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} |
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static inline int xc_domain_populate_physmap_exact |
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(XenXC xc_handle, uint32_t domid, unsigned long nr_extents, |
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unsigned int extent_order, unsigned int mem_flags, xen_pfn_t *extent_start) |
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{ |
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return xc_domain_memory_populate_physmap
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(xc_handle, domid, nr_extents, extent_order, mem_flags, extent_start); |
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} |
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static inline int xc_domain_add_to_physmap(int xc_handle, uint32_t domid, |
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unsigned int space, unsigned long idx, |
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xen_pfn_t gpfn) |
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{ |
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struct xen_add_to_physmap xatp = {
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.domid = domid, |
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.space = space, |
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.idx = idx, |
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.gpfn = gpfn, |
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}; |
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return xc_memory_op(xc_handle, XENMEM_add_to_physmap, &xatp);
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} |
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static inline struct xs_handle *xs_open(unsigned long flags) |
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{ |
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return xs_daemon_open();
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} |
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static inline void xs_close(struct xs_handle *xsh) |
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{ |
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if (xsh != NULL) { |
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xs_daemon_close(xsh); |
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} |
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} |
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/* Xen 4.1 */
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#else
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typedef xc_interface *XenXC;
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typedef xc_evtchn *XenEvtchn;
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typedef xc_gnttab *XenGnttab;
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# define XC_INTERFACE_FMT "%p" |
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# define XC_HANDLER_INITIAL_VALUE NULL |
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static inline XenEvtchn xen_xc_evtchn_open(void *logger, |
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unsigned int open_flags) |
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{ |
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return xc_evtchn_open(logger, open_flags);
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} |
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static inline XenGnttab xen_xc_gnttab_open(void *logger, |
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unsigned int open_flags) |
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{ |
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return xc_gnttab_open(logger, open_flags);
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} |
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static inline XenXC xen_xc_interface_open(void *logger, void *dombuild_logger, |
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unsigned int open_flags) |
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{ |
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return xc_interface_open(logger, dombuild_logger, open_flags);
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} |
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/* FIXME There is now way to have the xen fd */
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static inline int xc_fd(xc_interface *xen_xc) |
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{ |
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return -1; |
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} |
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#endif
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/* Xen before 4.2 */
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#if CONFIG_XEN_CTRL_INTERFACE_VERSION < 420 |
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static inline int xen_xc_hvm_inject_msi(XenXC xen_xc, domid_t dom, |
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uint64_t addr, uint32_t data) |
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{ |
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return -ENOSYS;
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} |
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#else
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static inline int xen_xc_hvm_inject_msi(XenXC xen_xc, domid_t dom, |
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uint64_t addr, uint32_t data) |
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{ |
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return xc_hvm_inject_msi(xen_xc, dom, addr, data);
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} |
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#endif
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void destroy_hvm_domain(bool reboot); |
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/* shutdown/destroy current domain because of an error */
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void xen_shutdown_fatal_error(const char *fmt, ...) GCC_FMT_ATTR(1, 2); |
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#endif /* QEMU_HW_XEN_COMMON_H */ |