diff options
Diffstat (limited to 'include/hw/xen/xen_common.h')
| -rw-r--r-- | include/hw/xen/xen_common.h | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/include/hw/xen/xen_common.h b/include/hw/xen/xen_common.h index 8f38310426..95275b34c4 100644 --- a/include/hw/xen/xen_common.h +++ b/include/hw/xen/xen_common.h @@ -41,6 +41,7 @@ static inline void *xc_map_foreign_bulk(int xc_handle, uint32_t dom, int prot, typedef int XenXC; typedef int xenevtchn_handle; typedef int xengnttab_handle; +typedef int xenforeignmemory_handle; # define XC_INTERFACE_FMT "%i" # define XC_HANDLER_INITIAL_VALUE -1 @@ -104,6 +105,8 @@ static inline XenXC xen_xc_interface_open(void *logger, void *dombuild_logger, return xc_interface_open(); } +/* See below for xenforeignmemory_* APIs */ + static inline int xc_fd(int xen_xc) { return xen_xc; @@ -149,6 +152,7 @@ static inline void xs_close(struct xs_handle *xsh) #else typedef xc_interface *XenXC; +typedef xc_interface *xenforeignmemory_handle; typedef xc_evtchn xenevtchn_handle; typedef xc_gnttab xengnttab_handle; @@ -178,6 +182,8 @@ static inline XenXC xen_xc_interface_open(void *logger, void *dombuild_logger, return xc_interface_open(logger, dombuild_logger, open_flags); } +/* See below for xenforeignmemory_* APIs */ + /* FIXME There is now way to have the xen fd */ static inline int xc_fd(xc_interface *xen_xc) { @@ -501,4 +507,23 @@ static inline int xen_domain_create(XenXC xc, uint32_t ssidref, } #endif +#if CONFIG_XEN_CTRL_INTERFACE_VERSION < 471 + +#define xenforeignmemory_open(l, f) &xen_xc + +static inline void *xenforeignmemory_map(XenXC *h, uint32_t dom, + int prot, size_t pages, + const xen_pfn_t arr[/*pages*/], + int err[/*pages*/]) +{ + if (err) + return xc_map_foreign_bulk(*h, dom, prot, arr, err, pages); + else + return xc_map_foreign_pages(*h, dom, prot, arr, pages); +} + +#define xenforeignmemory_unmap(h, p, s) munmap(p, s * XC_PAGE_SIZE) + +#endif + #endif /* QEMU_HW_XEN_COMMON_H */ |