From mboxrd@z Thu Jan 1 00:00:00 1970 From: Andres Lagar-Cavilla Subject: [PATCH 05 of 18] Tools: Do not assume sharing target is dom0 in libxc wrappers Date: Thu, 08 Dec 2011 02:47:20 -0500 Message-ID: References: Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Sender: xen-devel-bounces@lists.xensource.com Errors-To: xen-devel-bounces@lists.xensource.com To: xen-devel@lists.xensource.com Cc: ian.campbell@citrix.com, andres@gridcentric.ca, tim@xen.org, keir.xen@gmail.com, JBeulich@suse.com, ian.jackson@citrix.com, adin@gridcentric.ca List-Id: xen-devel@lists.xenproject.org tools/libxc/xc_memshr.c | 3 ++- tools/libxc/xenctrl.h | 1 + 2 files changed, 3 insertions(+), 1 deletions(-) The libxc wrapper that shares two pages always assumed one of the pages was mapped by dom0. Expand the API to specify both sharing domains. Signed-off-by: Andres Lagar-Cavilla diff -r 2e8d5702f4c1 -r b398fc97ab19 tools/libxc/xc_memshr.c --- a/tools/libxc/xc_memshr.c +++ b/tools/libxc/xc_memshr.c @@ -87,6 +87,7 @@ int xc_memshr_nominate_gref(xc_interface } int xc_memshr_share(xc_interface *xch, + uint32_t source_domain, uint64_t source_handle, uint64_t client_handle) { @@ -95,7 +96,7 @@ int xc_memshr_share(xc_interface *xch, domctl.cmd = XEN_DOMCTL_mem_sharing_op; domctl.interface_version = XEN_DOMCTL_INTERFACE_VERSION; - domctl.domain = 0; + domctl.domain = (domid_t) source_domain; op = &(domctl.u.mem_sharing_op); op->op = XEN_DOMCTL_MEM_EVENT_OP_SHARING_SHARE; op->u.share.source_handle = source_handle; diff -r 2e8d5702f4c1 -r b398fc97ab19 tools/libxc/xenctrl.h --- a/tools/libxc/xenctrl.h +++ b/tools/libxc/xenctrl.h @@ -1892,6 +1892,7 @@ int xc_memshr_nominate_gref(xc_interface grant_ref_t gref, uint64_t *handle); int xc_memshr_share(xc_interface *xch, + uint32_t source_domain, uint64_t source_handle, uint64_t client_handle); int xc_memshr_domain_resume(xc_interface *xch,