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https://gitlab.com/qemu-project/qemu
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d5b93ddfef
This patch updates the libxenctrl calls in Qemu to use the new interface, otherwise Qemu wouldn't be able to build against new versions of the library. We check libxenctrl version in configure, from Xen 3.3.0 to Xen unstable. Signed-off-by: Anthony PERARD <anthony.perard@citrix.com> Signed-off-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com> Acked-by: Alexander Graf <agraf@suse.de> Signed-off-by: Alexander Graf <agraf@suse.de>
102 lines
2.3 KiB
C
102 lines
2.3 KiB
C
#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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#include <xs.h>
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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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/* 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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#endif /* QEMU_HW_XEN_COMMON_H */
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