diff options
| -rwxr-xr-x | configure | 55 | ||||
| -rw-r--r-- | include/hw/xen/xen_common.h | 35 |
2 files changed, 88 insertions, 2 deletions
@@ -1938,6 +1938,7 @@ fi if test "$xen" != "no" ; then xen_libs="-lxenstore -lxenctrl -lxenguest" + xen_stable_libs="-lxenforeignmemory -lxengnttab -lxenevtchn" # First we test whether Xen headers and libraries are available. # If no, we are done and there is no Xen support. @@ -1960,6 +1961,57 @@ EOF # Xen unstable elif cat > $TMPC <<EOF && +/* + * If we have stable libs the we don't want the libxc compat + * layers, regardless of what CFLAGS we may have been given. + */ +#undef XC_WANT_COMPAT_EVTCHN_API +#undef XC_WANT_COMPAT_GNTTAB_API +#undef XC_WANT_COMPAT_MAP_FOREIGN_API +#include <xenctrl.h> +#include <xenstore.h> +#include <xenevtchn.h> +#include <xengnttab.h> +#include <xenforeignmemory.h> +#include <stdint.h> +#include <xen/hvm/hvm_info_table.h> +#if !defined(HVM_MAX_VCPUS) +# error HVM_MAX_VCPUS not defined +#endif +int main(void) { + xc_interface *xc = NULL; + xenforeignmemory_handle *xfmem; + xenevtchn_handle *xe; + xengnttab_handle *xg; + xen_domain_handle_t handle; + + xs_daemon_open(); + + xc = xc_interface_open(0, 0, 0); + xc_hvm_set_mem_type(0, 0, HVMMEM_ram_ro, 0, 0); + xc_domain_add_to_physmap(0, 0, XENMAPSPACE_gmfn, 0, 0); + xc_hvm_inject_msi(xc, 0, 0xf0000000, 0x00000000); + xc_hvm_create_ioreq_server(xc, 0, HVM_IOREQSRV_BUFIOREQ_ATOMIC, NULL); + xc_domain_create(xc, 0, handle, 0, NULL, NULL); + + xfmem = xenforeignmemory_open(0, 0); + xenforeignmemory_map(xfmem, 0, 0, 0, 0, 0); + + xe = xenevtchn_open(0, 0); + xenevtchn_fd(xe); + + xg = xengnttab_open(0, 0); + xengnttab_map_grant_ref(xg, 0, 0, 0); + + return 0; +} +EOF + compile_prog "" "$xen_libs $xen_stable_libs" + then + xen_ctrl_version=471 + xen=yes + elif + cat > $TMPC <<EOF && #include <xenctrl.h> #include <stdint.h> int main(void) { @@ -2153,6 +2205,9 @@ EOF fi if test "$xen" = yes; then + if test $xen_ctrl_version -ge 471 ; then + libs_softmmu="$xen_stable_libs $libs_softmmu" + fi libs_softmmu="$xen_libs $libs_softmmu" fi fi diff --git a/include/hw/xen/xen_common.h b/include/hw/xen/xen_common.h index 95275b34c4..19f1577e8f 100644 --- a/include/hw/xen/xen_common.h +++ b/include/hw/xen/xen_common.h @@ -6,6 +6,15 @@ #include <stddef.h> #include <inttypes.h> +/* + * If we have new enough libxenctrl then we do not want/need these compat + * interfaces, despite what the user supplied cflags might say. They + * must be undefined before including xenctrl.h + */ +#undef XC_WANT_COMPAT_EVTCHN_API +#undef XC_WANT_COMPAT_GNTTAB_API +#undef XC_WANT_COMPAT_MAP_FOREIGN_API + #include <xenctrl.h> #if CONFIG_XEN_CTRL_INTERFACE_VERSION < 420 # include <xs.h> @@ -148,8 +157,8 @@ static inline void xs_close(struct xs_handle *xsh) } -/* Xen 4.1 */ -#else +/* Xen 4.1 thru 4.6 */ +#elif CONFIG_XEN_CTRL_INTERFACE_VERSION < 471 typedef xc_interface *XenXC; typedef xc_interface *xenforeignmemory_handle; @@ -184,6 +193,28 @@ static inline XenXC xen_xc_interface_open(void *logger, void *dombuild_logger, /* See below for xenforeignmemory_* APIs */ +/* FIXME There is no way to have the xen fd */ +static inline int xc_fd(xc_interface *xen_xc) +{ + return -1; +} +#else /* CONFIG_XEN_CTRL_INTERFACE_VERSION >= 471 */ + +typedef xc_interface *XenXC; + +# define XC_INTERFACE_FMT "%p" +# define XC_HANDLER_INITIAL_VALUE NULL + +#include <xenevtchn.h> +#include <xengnttab.h> +#include <xenforeignmemory.h> + +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) { |