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* Fix emacs local variable block to use correct C style variable.David Vrabel2013-02-211-1/+1
| | | | | | | The emacs variable to set the C style from a local variable block is c-file-style, not c-set-style. Signed-off-by: David Vrabel <david.vrabel@citrix.com
* tools/tests/xen-access: INT3 trap type is s/w exception.Keir Fraser2012-05-301-1/+1
| | | | Signed-off-by: Keir Fraser <keir@xen.org>
* Add instruction length and trap type in HVMOP_inject_trap.Xudong Hao2012-05-301-1/+3
| | | | | | Signed-off-by: Xudong Hao <xudong.hao@intel.com> Signed-off-by: Xiantao Zhang <xiantao.zhang@intel.com> Signed-off-by: Keir Fraser <keir@xen.org>
* tools: xen-access: Check return values and clean up on errors during initAravindh Puthiyaparambil2012-04-241-58/+115
| | | | | | | | | | | Check the return values of the libxc mem_access calls. Free allocated structures (platform_info, domain_info) on errors during initialization and exit. Unbind VIRQ, close event channel and connection to Xen on errors during initialization Signed-off-by: Aravindh Puthiyaparambil <aravindh@virtuata.com> Acked-by: Ian Jackson <ian.jackson@eu.citrix.com> Committed-by: Ian Jackson <ian.jackson@eu.citrix.com>
* Tools: After a helper maps a ring, yank it from the guest physmapTim Deegan2012-03-081-0/+5
| | | | | | | | | This limits the ability of the guest to play around with its own rings, and DoS itself. Signed-off-by: Andres Lagar-Cavilla <andres@lagarcavilla.org> Acked-by: Ian Campbell <ian.campbell@citrix.com> Committed-by: Tim Deegan <tim@xen.org>
* Use a reserved pfn in the guest address space to store mem event ringsTim Deegan2012-03-081-43/+40
| | | | | | | | | | | | | | | | | | This solves a long-standing issue in which the pages backing these rings were pages belonging to dom0 user-space processes. Thus, if the process would die unexpectedly, Xen would keep posting events to a page now belonging to some other process. We update all API-consumers in tree (xenpaging and xen-access). This is an API/ABI change, so please speak up if it breaks your accumptions. The patch touches tools, hypervisor x86/hvm bits, and hypervisor x86/mm bits. Signed-off-by: Andres Lagar-Cavilla <andres@lagarcavilla.org> Acked-by: Tim Deegan <tim@xen.org> Acked-by: Ian Campbell <ian.campbell@citrix.com> Committed-by: Tim Deegan <tim@xen.org>
* Tools: Remove shared page from mem_event/access/paging interfacesTim Deegan2012-03-081-18/+4
| | | | | | | | | | | | | | | | | | | | | | Don't use the superfluous shared page, return the event channel directly as part of the domctl struct, instead. In-tree consumers (xenpaging, xen-access) updated. This is an ABI/API change, so please voice any concerns. Known pending issues: - pager could die and its ring page could be used by some other process, yet Xen retains the mapping to it. - use a saner interface for the paging_load buffer. This change also affects the x86/mm bits in the hypervisor that process the mem_event setup domctl. Signed-off-by: Andres Lagar-Cavilla <andres@lagarcavilla.org> Acked-by: Tim Deegan <tim@xen.org> Acked-by: Olaf Hering <olaf@aepfle.de> Acked-by: Ian Campbell <ian.campbell@citrix.com> Committed-by: Tim Deegan <tim@xen.org>
* Tools: Make xen-access test compile in 32 bits modeAndres Lagar-Cavilla2012-02-091-10/+13
| | | | | Signed-off-by: Andres Lagar-Cavilla <andres@lagarcavilla.org> Signed-off-by: Keir Fraser <keir@xen.org>
* mem_event: use different ringbuffers for share, paging and accessOlaf Hering2011-09-161-2/+2
| | | | | | | | | | | | | | | | | | | | | | | Up to now a single ring buffer was used for mem_share, xenpaging and xen-access. Each helper would have to cooperate and pull only its own requests from the ring. Unfortunately this was not implemented. And even if it was, it would make the whole concept fragile because a crash or early exit of one helper would stall the others. What happend up to now is that active xenpaging + memory_sharing would push memsharing requests in the buffer. xenpaging is not prepared for such requests. This patch creates an independet ring buffer for mem_share, xenpaging and xen-access and adds also new functions to enable xenpaging and xen-access. The xc_mem_event_enable/xc_mem_event_disable functions will be removed. The various XEN_DOMCTL_MEM_EVENT_* macros were cleaned up. Due to the removal the API changed, so the SONAME will be changed too. Signed-off-by: Olaf Hering <olaf@aepfle.de> Acked-by: Tim Deegan <tim@xen.org> Acked-by: Ian Jackson <ian.jackson@eu.citrix.com> Committed-by: Tim Deegan <tim@xen.org>
* tools/tests/xen-access: minor bug fixesAravindh Puthiyaparambil2011-05-091-5/+2
| | | | | | | | Fix a couple of minor bugs in xen-access test program: * Fix -m option handling. * Fix a segfault that was occurring during program exit. Signed-off-by: Aravindh Puthiyaparambil <aravindh@virtuata.com>
* tools: remove pattern matched linking rulesIan Campbell2011-03-311-7/+3
| | | | | | | | | Most subdirs only build a single tool to start with and those which build multiple tools often have different linkage requirements. Signed-off-by: Ian Campbell <ian.campbell@citrix.com> Acked-by: Ian Jackson <ian.jackson@eu.citrix.com> Committed-by: Ian Jackson <ian.jackson@eu.citrix.com>
* tools: Remove $(CFLAGS) from links lines.Ian Campbell2011-03-311-5/+2
| | | | | | | | The relevant variable in these circumstances is called $(LDFLAGS). Signed-off-by: Ian Campbell <ian.campbell@citrix.com> Acked-by: Ian Jackson <ian.jackson@eu.citrix.com> Committed-by: Ian Jackson <ian.jackson@eu.citrix.com>
* tools: consistently use $({CFLAGS,LDLIBS}_libxenctrl) instead of open coding.Ian Campbell2011-03-211-1/+1
| | | | | | Signed-off-by: Ian Campbell <ian.campbell@citrix.com> Acked-by: Ian Jackson <ian.jackson@eu.citrix.com> Committed-by: Ian Jackson <ian.jackson@eu.citrix.com>
* tools: consistently use $(CFLAGS_xeninclude) instead of open coding.Ian Campbell2011-03-211-1/+1
| | | | | | | | Renamed from the slightly ambiguous CFLAGS_include. Signed-off-by: Ian Campbell <ian.campbell@citrix.com> Acked-by: Ian Jackson <ian.jackson@eu.citrix.com> Committed-by: Ian Jackson <ian.jackson@eu.citrix.com>
* tools: Drop XEN_XC variableIan Campbell2011-03-211-1/+0
| | | | | | | | | There is nothing to include in the python bindings source directory and likely never was/will be ... Signed-off-by: Ian Campbell <ian.campbell@citrix.com> Acked-by: Ian Jackson <ian.jackson@eu.citrix.com> Committed-by: Ian Jackson <ian.jackson@eu.citrix.com>
* tools: Drop use of $(INCLUDES)Ian Campbell2011-03-211-5/+4
| | | | | | | | | | Several places include it in CFLAGS even though it is never defined. A few others use it as nothing more than a gathering point for CFLAGS. Get rid of it. Signed-off-by: Ian Campbell <ian.campbell@citrix.com> Acked-by: Ian Jackson <ian.jackson@eu.citrix.com> Committed-by: Ian Jackson <ian.jackson@eu.citrix.com>
* build: Make XEN_ROOT an absolute path.Keir Fraser2011-03-171-1/+1
| | | | | | | | Otherwise make can search the path relative to certain standard paths such as /usr/include (e.g., the line '-include $(XEN_ROOT)/.config' in Config.mk suffers from this). Signed-off-by: Keir Fraser <keir@xen.org>
* mem_access test tool: xen-accessJoe Epstein2011-01-082-0/+704
Added a test tool to let the memory access APIs be tested. This tool logs to stdout the memory accesses that the domain given is performing. Signed-off-by: Joe Epstein <jepstein98@gmail.com> Signed-off-by: Keir Fraser <keir@xen.org>
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