Stub domains now use autoconf to build.
This configure script can enable or disable specific domains
and also specify custom download locations for stubdom library
packages. See ./configure --help for details.
C and Caml are disabled by default. vtpm-stubdom is conditional
on the presense of cmake.
Rename vtpmmgrdom to vtpmmgr-stubdom
Also update .*ignore
Signed-off-by: Matthew Fioravante <matthew.fioravante@jhuapl.edu>
Acked-by: Ian Campbell <ian.campbell@citrix.com>
Committed-by: Ian Campbell <ian.campbell@citrix.com>
Add 3 new libraries to stubdom:
libgmp
polarssl
Berlios TPM Emulator 0.7.4
Add makefile structure for vtpm and vtpmmgrdom. Both
vtpm domains are optional builds as vtpm depends on
cmake. To build either of them, you must do so explicitly.
make vtpm-stubdom vtpmmgrdom
Finally, also update .*ignore
Signed-off-by: Matthew Fioravante <matthew.fioravante@jhuapl.edu>
Acked-by: Ian Campbell <ian.campbell@citrix.com>
[ijc, folded in fix from Matthew to workaround cmake 2.8.2 build failure]
Committed-by: Ian Campbell <ian.campbell@citrix.com>
Rather than keeping around headers that are autogenerated in order to
avoid adding build dependencies from xen/ to files in tools/, move the
relevant parts of the FLASK policy into the hypervisor tree and
generate the headers as part of the hypervisor's build.
Signed-off-by: Daniel De Graaf <dgdegra@tycho.nsa.gov>
Committed-by: Keir Fraser <keir@xen.org>
Touch the libxl.api-ok stamp file, and unconditionally put in place
the new _libxl.api-for-check. This avoids needlessly rerunning the
preprocessor on libxl.h each time we call "make".
Ensure that _libxl.api-for-check gets the CFLAGS used for xl, so that
if it is asked for in a standalone make run it can find xentoollog.h.
Remove *.api-ok on clean.
Also fix .gitignore.
Signed-off-by: Ian Jackson <ian.jackson@eu.citrix.com>
Acked-by: Ian Campbell <ian.campbell@citrix.com>
Committed-by: Ian Campbell <ian.campbell@citrix.com>
libxl_internal.h says:
* Functions using LIBXL__INIT_EGC may *not* generally be called from
* within libxl, because libxl__egc_cleanup may call back into the
* application. ...
and
* ... [Functions which take an ao_how] MAY NOT
* be called from inside libxl, because they can cause reentrancy
* callbacks.
However, this was not enforced. Particularly the latter restriction
is easy to overlook, especially since during the transition period to
the new event system we have bent this rule a couple of times, and the
bad pattern simply involves passing 0 or NULL for the ao_how.
So use the compiler to enforce this property, as follows:
- Mark all functions which take a libxl_asyncop_how, or which
use EGC_INIT or LIBXL__INIT_EGC, with a new annotation
LIBXL_EXTERNAL_CALLERS_ONLY in the public header.
- Change the documentation comment for asynch operations and egcs to
say that this should always be done.
- Arrange that if libxl.h is included via libxl_internal.h,
LIBXL_EXTERNAL_CALLERS_ONLY expands to __attribute__((warning(...))),
which generates a message like this:
libxl.c:1772: warning: call to 'libxl_device_disk_remove'
declared with attribute warning:
may not be called from within libxl
Otherwise, the annotation expands to nothing, so external
callers are unaffected.
- Forbid inclusion of both libxl.h and libxl_internal.h unless
libxl_internal.h came first, so that the above check doesn't have
any loopholes. Files which include libxl_internal.h should not
include libxl.h as well.
This is enforced explicitly using #error. However, in practice
with the current tree it just changes the error message when this
mistake is made; otherwise we would carry on to immediately
following #define which would cause the compiler to complain that
LIBXL_EXTERNAL_CALLERS_ONLY was redefined. Then the developer
might be tempted to add a #ifndef which would be wrong - it would
leave the affected translation unit unprotected by the new
enforcement regime. So let's be explicit.
- Fix the one source of files which violate the above principle, the
output from the idl compiler, by removing the redundant inclusion
of libxl.h from the output.
Also introduce a new script "check-libxl-api-rules" which contains
some ad-hoc regexps to spot and complain when libxl.h contains
functions which mention libxl_asyncop_how but not
LIBXL_EXTERNAL_CALLERS_ONLY. This isn't a full C parser but is likely
to get the common cases right and err on the side of complaining.
While we are here, the invocation of perl for the bsd queue.h seddery
to $(PERL).
Signed-off-by: Ian Jackson <ian.jackson@eu.citrix.com>
Cc: Roger Pau Monne <roger.pau@citrix.com>
Acked-by: Ian Campbell <ian.campbell@citrix.com>
Committed-by: Ian Campbell <ian.campbell@citrix.com>
Newer ocaml toolchains generate .spot and .spit files which are ocaml metadata
about their respective source files.
Add them to the clean rules as well as the .{hg,git}ignore files.
Signed-off-by: Andrew Cooper <andrew.cooper3@citrix.com>
Acked-by: Ian Jackson <ian.jackson@eu.citrix.com>
Committed-by: Ian Campbell <ian.campbell@citrix.com>
libxenctrl expects to be able to simply run the save or restore
operation synchronously. This won't work well in a process which is
trying to handle multiple domains.
The options are:
- Block such a whole process (eg, the whole of libvirt) while
migration completes (or until it fails).
- Create a thread to run xc_domain_save and xc_domain_restore on.
This is quite unpalatable. Multithreaded programming is error
prone enough without generating threads in libraries, particularly
if the thread does some very complex operation.
- Fork and run the operation in the child without execing. This is
no good because we would need to negotiate with the caller about
fds we would inherit (and we might be a very large process).
- Fork and exec a helper.
Of these options the latter is the most palatable.
Consequently:
* A new helper program libxl-save-helper (which does both save and
restore). It will be installed in /usr/lib/xen/bin. It does not
link against libxl, only libxc, and its error handling does not
need to be very advanced. It does contain a plumbing through of
the logging interface into the callback stream.
* A small ad-hoc protocol between the helper and libxl which allows
log messages and the libxc callbacks to be passed up and down.
Protocol doc comment is in libxl_save_helper.c.
* To avoid a lot of tedium the marshalling boilerplate (stubs for the
helper and the callback decoder for libxl) is generated with a
small perl script.
* Implement new functionality to spawn the helper, monitor its
output, provide responses, and check on its exit status.
* The functions libxl__xc_domain_restore_done and
libxl__xc_domain_save_done now turn out to want be called in the
same place. So make their state argument a void* so that the two
functions are type compatible.
The domain save path still writes the qemu savefile synchronously.
This will need to be fixed in a subsequent patch.
Signed-off-by: Ian Jackson <ian.jackson@eu.citrix.com>
Acked-by: Ian Campbell <ian.campbell@citrix.com>
25479:61dfb3da56b0 added a .PRECIOUS which causes these files to be
left over more often. They should have been ignored already, though.
Signed-off-by: Ian Jackson <ian.jackson@eu.citrix.com>
Committed-by: Ian Jackson <ian.jackson@eu.citrix.com>
This test script runs "xl -N network-attach 0 <foobar>" against various
rate syntax and checks that the output is as expected.
[ Added entries to .hgignore and .gitignore for tools/libxl/tmp.* -iwj ]
Signed-off-by: Mathieu Gagne <mgagne@iweb.com>
Acked-by: Ian Campbell <ian.campbell@citrix.com>
Signed-off-by: Ian Jackson <ian.jackson@eu.citrix.com>
Committed-by: Ian Jackson <ian.jackson@eu.citrix.com>
Since the introduction of autoconf, builds with XSM enabled in .config
have been broken unless FLASK_ENABLE was explicitly set. Since the
setting in .config has apparently been deprecated in favor of an
autoconf --enable-xsm, add config/Xen.mk to export this to Xen. This
also makes --disable-debug and some paths to be pulled from the
configure process in the hypervisor build.
Signed-off-by: Daniel De Graaf <dgdegra@tycho.nsa.gov>
Committed-by: Keir Fraser <keir@xen.org>
Added autotools magic to replace custom check scripts. The previous
checks have been ported to autoconf, and some additional ones have
been added (plus the suggestions from running autoscan). Two files are
created as a result from executing configure script, config/Tools.mk
and config.h.
conf/Tools.mk is included by tools/Rules.mk, and contains most of the
options previously defined in .config, that can now be set passing
parameters or defining environment variables when executing configure
script.
config.h is only used by libxl/xl to detect yajl_version.h.
[ tools/config.sub and config.guess copied from
autotools-dev 20100122.1 from Debian squeeze i386,
which is GPLv2.
tools/configure generated using the included ./autogen.sh
which ran autoconf 2.67-2 from Debian squeeze i386. autoconf
is GPLv3+ but has a special exception for the autoconf output;
this exception applies to us and exempts us from complying
with GPLv3+ for configure, which is good as Xen is GPL2 only.
- Ian Jackson ]
Signed-off-by: Roger Pau Monne <roger.pau@entel.upc.edu>
Tested-by: Ian Jackson <ian.jackson@eu.citrix.com>
Committed-by: Ian Jackson <Ian.Jackson@eu.citrix.com>
The latter is GPL which makes the whole of mini-os GPL rather than BSD
as intended. In tree users are all GPL or GPL-compatible but we should
fix this so that mini-os is BSD. Do so by using the same BSD
sys/queue.h as we use in libxl.
Tested with the builtin mini-os test app and qemu stubdomain, both of which
appear to still function as expected.
Move tools/libxl/external and the associated sed script to
tools/include/xen-external to allow more sensible access from mini-os.
Also add s/NULL/0/ in the sed script due to NULL not always being
defined in stubdom code when mini-os/wait.h is included.
As well as the obvious ABI changes there are a few API updates
associated with the change:
- struct rw_semaphore.wait_list is unused
- remove_waiter needs to take the wait_queue_head
The latter requires a qemu update, so there is also a QEMU_TAG
update in this changeset.
I sprinkled some extra-emacs local variables around the files I edited
which didn't have them.
I think this should be backported to the stable branches since
external users of mini-os may have been mislead into thinking they
could safely link mini-os against GPL-incompatible code.
Signed-off-by: Ian Campbell <ian.campbell@citrix.com>
Committed-by: Ian Jackson <Ian.Jackson@eu.citrix.com>
This is demo code meant to showcase how to perform sharing
operations. It is useful for testing.
[ Added appropriate lines to .hgignore and .gitignore -iwj ]
Signed-off-by: Adin Scannell <adin@scannell.ca>
Signed-off-by: Andres Lagar-Cavilla <andres@lagarcavilla.org>
Signed-off-by: Ian Jackson <ian.jackson@eu.citrix.com>
Committed-by: Ian Jackson <ian.jackson@eu.citrix.com>
* Add new seabios clone directories to .gitignore.
* Add new qemu clone directories to .gitignore.
* Remove old tools/ioemu (long-obsolete) from .gitignore and .hgignore.
Signed-off-by: Ian Jackson <ian.jackson@eu.citrix.com>
Acked-by: Ian Campbell <ian.campbell@citrix.com>
Committed-by: Ian Jackson <Ian.Jackson@eu.citrix.com>
From: Stefano Stabellini <stefano.stabellini@eu.citrix.com>
Introduce a script to perform git checkout on an external git tree; use
git-checkout.sh in ioemu-dir-find.
Signed-off-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com>
Committed-by: Ian Jackson <ian.jackson.citrix.com>
Including markdown docs.
Signed-off-by: Ian Campbell <ian.campbell@citrix.com>
Acked-by: Ian Jackson <ian.jackson.citrix.com>
Committed-by: Ian Jackson <ian.jackson.citrix.com>
With this new option, there is no need to compile mk_dsdt for each
DSDT table that we want. The Makefile is a bit reorganize to handle
this new option and to prepare more change in a coming patch.
Signed-off-by: Anthony PERARD <anthony.perard@citrix.com>
ocamlfind does not support namespaces, so to avoid
name clashes the module names have become longer.
Additionally, the xenstore and xenbus subdirs, which
contain several modules each, have been packed into
toplevel Xenstore and Xenbus modules.
xb becomes xenbus, xc becomes xenctrl, xl becomes xenlight,
xs becomes xenstore, eventchn becomes xeneventchn and
mmap becomes xenmmap.
[ Patch modified from that submitted, to update the .hgignore, and to
cope with intervening changes to mmap_stubs.c -iwj ]
Signed-off-by: Jon Ludlam <jonathan.ludlam@eu.citrix.com>
Acked-by: Ian Campbell <ian.campbell@citrix.com>
Signed-off-by: Ian Jackson <ian.jackson@eu.citrix.com>
Committed-by: Ian Jackson <ian.jackson@eu.citrix.com>
These have broken the build and it seems to be difficult to fix. So
we will revert the whole lot for now, and await corrected patch(es).
Revert "fix the build when CONFIG_QEMU is specified by the user"
Revert "tools: fix permissions of git-checkout.sh"
Revert "scripts/git-checkout.sh: Is not bash specific. Invoke with /bin/sh."
Revert "Clone and build Seabios by default"
Revert "Clone and build upstream Qemu by default"
Revert "Rename ioemu-dir as qemu-xen-traditional-dir"
Revert "Move the ioemu-dir-find shell script to an external file"
Signed-off-by: Ian Jackson <ian.jackson@eu.citrix.com>
Add support for configuring upstream qemu and rename ioemu-remote
ioemu-dir-remote.
Signed-off-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com>
The generated strings are the lower case enum value names, with underscores.
Accepted string for parsing are the same but are case insensitive.
We provide a table of strings->value for each Enumeration as well as a
convenience function to perform a lookup.
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>
Doesn't actually generate anything yet but puts all the moving parts
into place. In particular sets up the
xl.ml.in+_libxl_types.ml.in->xl.ml transformation using sed. This
appears to be the only/best way to do this for ocaml due to the lack
of a preprocessor and/or an include mechanism which has an inmpact on
namespacing.
Signed-off-by: Ian Campbell <ian.campbell@citrix.com>
Acked-by: Ian Jackson <ian.jackson.citrix.com>
Committed-by: Ian Jackson <ian.jackson.citrix.com>
Previously the install target was having no effect because it ended up
calling the default target in the subdir Makefile instead of the
install target.
Resolve this by tying the tools/ocaml Makefiles into the generic
handling done by tools/Rules.mk.
Other changes arising in one way or another from this:
- Add libs/xl/META.in
- Update .hgignore for META files
- Create leading directories
- Remove existing module before installation in install targer
(worksaround what appears to be a quirk of "ocamlfind install")
- Use the globally defined $(DESTDIR)
- Move "ocamlfind printfconf destdir" to a common variable,
repurposing exising unused OCAMLDESTDIR, incorporating $(DESTDIR) at
the same time.
- Drop a few unused variabe definitions (mainly to avoid deciding if
$(DESTDIR) made sense for them or not.
- Pass -destdir to ocamlfind in uninstall target for symmetry with
install target.
Signed-off-by: Ian Campbell <ian.campbell@citrix.com>
Signed-off-by: Ian Jackson <ian.jackson@eu.citrix.com>
kdd runs in dom0, attaches to a domain and speaks the Windows kd serial
protocol over a TCP connection (which should go to kd or windbg, e.g.
by having another VM with its virtual COM1 set up as a TCP listener).
It doesn't do breakpoints &c yet, and windbg can get quite confused
since the kernel debugger's not actually running, but it's good enough
to extract backtraces from wedged VMs.
Signed-off-by: Tim Deegan <Tim.Deegan@citrix.com>
# xenstore-watch x | while read w ; do
> echo "watch fired on $w"
> echo "value" $(xenstore-read $w)
> echo
> done
# xenstore-write x/y/z 42
output from while loop:
watch fired on x/t/z
value 42
[ also add line to .hgignore - iwj ]
Signed-off-by: Ian Campbell <ian.campbell@citrix.com>
Signed-off-by: Ian Jackson <ian.jackson@eu.citrix.com>
Matthew Fioravante