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2016-06-20coccinelle: Remove unnecessary variables for function return valueEduardo Habkost
Use Coccinelle script to replace 'ret = E; return ret' with 'return E'. The script will do the substitution only when the function return type and variable type are the same. Manual fixups: * audio/audio.c: coding style of "read (...)" and "write (...)" * block/qcow2-cluster.c: wrap line to make it shorter * block/qcow2-refcount.c: change indentation of wrapped line * target-tricore/op_helper.c: fix coding style of "remainder|quotient" * target-mips/dsp_helper.c: reverted changes because I don't want to argue about checkpatch.pl * ui/qemu-pixman.c: fix line indentation * block/rbd.c: restore blank line between declarations and statements Reviewed-by: Eric Blake <eblake@redhat.com> Signed-off-by: Eduardo Habkost <ehabkost@redhat.com> Message-Id: <1465855078-19435-4-git-send-email-ehabkost@redhat.com> Reviewed-by: Markus Armbruster <armbru@redhat.com> [Unused Coccinelle rule name dropped along with a redundant comment; whitespace touched up in block/qcow2-cluster.c; stale commit message paragraph deleted] Signed-off-by: Markus Armbruster <armbru@redhat.com>
2016-06-20error: Remove NULL checks on error_propagate() callsEduardo Habkost
error_propagate() already ignores local_err==NULL, so there's no need to check it before calling. Coccinelle patch used to perform the changes added to scripts/coccinelle/error_propagate_null.cocci. Reviewed-by: Eric Blake <eblake@redhat.com> Acked-by: Cornelia Huck <cornelia.huck@de.ibm.com> Reviewed-by: Markus Armbruster <armbru@redhat.com> Signed-off-by: Eduardo Habkost <ehabkost@redhat.com> Message-Id: <1465855078-19435-2-git-send-email-ehabkost@redhat.com> Signed-off-by: Markus Armbruster <armbru@redhat.com>
2016-06-07qga: Remove unnecessary glib.h includesPeter Maydell
Remove glib.h includes, as it is provided by osdep.h. This commit was created with scripts/clean-includes. Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Reviewed-by: Eric Blake <eblake@redhat.com> Tested-by: Eric Blake <eblake@redhat.com> Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
2016-06-07qga: spelling fixMichael Tokarev
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
2016-05-18Fix some typos found by codespellStefan Weil
Signed-off-by: Stefan Weil <sw@weilnetz.de> Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
2016-04-07qga: Workaround for console redirection from non-interactive qemu-ga serviceYuri Pudgorodskiy
mingw-glib uses helper process to assist gspawn() api. There are two versions of helpers, one with main() and another with WinMain() startup routines. Whenever gspawn() detects consoleless environment (and qemu-ga is running in such environment as Win32 service), it chooses helper with main() instead of WinMain. It is done by name, e.g. gspawn-win32-helper-console.exe vs gspawn-win32-helper.exe Running console-aware application like any win32 console apps from main() crt initalized process results in redirection of stdout to console created in crt startup instead of parent-provided handle connected to subprocess pipe. Thus, stdout/stderr redirection do not work correctly. The patch makes WinMain()'s version of helper be used as the only helper shipped with qemu-ga package. Using only win32 helper ensures console is created before any redirection and fixes stdout/stderr redirection issue. Signed-off-by: Yuri Pudgorodskiy <yur@virtuozzo.com> Signed-off-by: Denis V. Lunev <den@openvz.org> CC: Michael Roth <mdroth@linux.vnet.ibm.com> Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>
2016-04-07qga: fix fd leak with guest-exec i/o channelsYuriy Pudgorodskiy
Signed-off-by: Yuriy Pudgorodskiy <yur@virtuozzo.com> Signed-off-by: Denis V. Lunev <den@openvz.org> CC: Michael Roth <mdroth@linux.vnet.ibm.com> * squashed in g_io_channel_shutdown() to match cleanup paths for input/output Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>
2016-03-24Merge remote-tracking branch 'remotes/bonzini/tags/for-upstream' into stagingPeter Maydell
* Log filtering from Alex and Peter * Chardev fix from Marc-André * config.status tweak from David * Header file tweaks from Markus, myself and Veronia (Outreachy candidate) * get_ticks_per_sec() removal from Rutuja (Outreachy candidate) * Coverity fix from myself * PKE implementation from myself, based on rth's XSAVE support # gpg: Signature made Thu 24 Mar 2016 20:15:11 GMT using RSA key ID 78C7AE83 # gpg: Good signature from "Paolo Bonzini <bonzini@gnu.org>" # gpg: aka "Paolo Bonzini <pbonzini@redhat.com>" * remotes/bonzini/tags/for-upstream: (28 commits) target-i386: implement PKE for TCG config.status: Pass extra parameters char: translate from QIOChannel error to errno exec: fix error handling in file_ram_alloc cputlb: modernise the debug support qemu-log: support simple pid substitution for logs target-arm: dfilter support for in_asm qemu-log: dfilter-ise exec, out_asm, op and opt_op qemu-log: new option -dfilter to limit output qemu-log: Improve the "exec" TB execution logging qemu-log: Avoid function call for disabled qemu_log_mask logging qemu-log: correct help text for -d cpu tcg: pass down TranslationBlock to tcg_code_gen util: move declarations out of qemu-common.h Replaced get_tick_per_sec() by NANOSECONDS_PER_SECOND hw: explicitly include qemu-common.h and cpu.h include/crypto: Include qapi-types.h or qemu/bswap.h instead of qemu-common.h isa: Move DMA_transfer_handler from qemu-common.h to hw/isa/isa.h Move ParallelIOArg from qemu-common.h to sysemu/char.h Move QEMU_ALIGN_*() from qemu-common.h to qemu/osdep.h ... Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Conflicts: scripts/clean-includes
2016-03-22util: move declarations out of qemu-common.hVeronia Bahaa
Move declarations out of qemu-common.h for functions declared in utils/ files: e.g. include/qemu/path.h for utils/path.c. Move inline functions out of qemu-common.h and into new files (e.g. include/qemu/bcd.h) Signed-off-by: Veronia Bahaa <veroniabahaa@gmail.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2016-03-22Clean up includes some moreMarkus Armbruster
Manually drop redundant includes that scripts/clean-includes misses, e.g. because they're hidden in generator programs, or they use the wrong kind of delimiter. Signed-off-by: Markus Armbruster <armbru@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2016-03-22include/qemu/osdep.h: Don't include qapi/error.hMarkus Armbruster
Commit 57cb38b included qapi/error.h into qemu/osdep.h to get the Error typedef. Since then, we've moved to include qemu/osdep.h everywhere. Its file comment explains: "To avoid getting into possible circular include dependencies, this file should not include any other QEMU headers, with the exceptions of config-host.h, compiler.h, os-posix.h and os-win32.h, all of which are doing a similar job to this file and are under similar constraints." qapi/error.h doesn't do a similar job, and it doesn't adhere to similar constraints: it includes qapi-types.h. That's in excess of 100KiB of crap most .c files don't actually need. Add the typedef to qemu/typedefs.h, and include that instead of qapi/error.h. Include qapi/error.h in .c files that need it and don't get it now. Include qapi-types.h in qom/object.h for uint16List. Update scripts/clean-includes accordingly. Update it further to match reality: replace config.h by config-target.h, add sysemu/os-posix.h, sysemu/os-win32.h. Update the list of includes in the qemu/osdep.h comment quoted above similarly. This reduces the number of objects depending on qapi/error.h from "all of them" to less than a third. Unfortunately, the number depending on qapi-types.h shrinks only a little. More work is needed for that one. Signed-off-by: Markus Armbruster <armbru@redhat.com> [Fix compilation without the spice devel packages. - Paolo] Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2016-03-20qemu-ga: drop unused local err variableStefan Hajnoczi
Commit 125b310e1d62e3a1dc1e7758563e598957ca7ae4 ("qemu-ga: move channel/transport functionality into wrapper class") stopped using the local err variable in channel_event_cb(). This patch deletes the unused variable. Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com> Reviewed-by: Fam Zheng <famz@redhat.com> Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>
2016-02-25qga: fix w32 breakage due to missing osdep.h includesMichael Roth
requester.h relied on qemu/compiler.h definitions to handle GCC_FMT_ATTR() stub, but this include was removed as part of scripted clean-ups via 30456d5: all: Clean up includes under the assumption that all C files would have included it via qemu/osdep.h at that point. requester.cpp was likely missed due to C++ files requiring manual/special handling as well as VSS build options needing to be enabled to trigger build failures. Fix this by including qemu/osdep.h. That in turn pulls in a macro from qapi/error.h that conflicts with a struct field name in requester.h, so fix that as well by renaming the field. While we're at it, fix up provider.cpp/install.cpp to include osdep.h as well. Cc: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com> Reviewed-by: Eric Blake <eblake@redhat.com>
2016-02-25qga: check utf8-to-utf16 conversionMarc-André Lureau
UTF8 to UTF16 conversion can fail for genuine reasons, let's check errors. Reported-by: Laszlo Ersek <lersek@redhat.com> Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com> Reviewed-by: Laszlo Ersek <lersek@redhat.com> Reviewed-by: Michael Roth <mdroth@linux.vnet.ibm.com> Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>
2016-02-25qga: fix off-by-one length checkMarc-André Lureau
Laszlo Ersek said: "The length check is off by one (in the safe direction); it should be (nchars >= 2). The processing should be active for the wide string L"\r\n" -- resulting in the empty wide string --, I believe." Reported-by: Laszlo Ersek <lersek@redhat.com> Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com> Reviewed-by: Laszlo Ersek <lersek@redhat.com> Reviewed-by: Michael Roth <mdroth@linux.vnet.ibm.com> Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>
2016-02-25qga: use wide-chars constants for wchar_t comparisonsMarc-André Lureau
Reported-by: Laszlo Ersek <lersek@redhat.com> Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com> Reviewed-by: Laszlo Ersek <lersek@redhat.com> Reviewed-by: Michael Roth <mdroth@linux.vnet.ibm.com> Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>
2016-02-25qga: use size_t for wcslen() return valueMarc-André Lureau
Reported-by: Laszlo Ersek <lersek@redhat.com> Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com> Reviewed-by: Laszlo Ersek <lersek@redhat.com> Reviewed-by: Michael Roth <mdroth@linux.vnet.ibm.com> Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>
2016-02-25qga: use more idiomatic qemu-style eol operatorsMarc-André Lureau
Reported-by: Laszlo Ersek <lersek@redhat.com> Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com> Reviewed-by: Laszlo Ersek <lersek@redhat.com> Reviewed-by: Michael Roth <mdroth@linux.vnet.ibm.com> Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>
2016-02-25qga: implement the guest-get-vcpus for windowsGal Hammer
Signed-off-by: Gal Hammer <ghammer@redhat.com> Reviewed-by: Michael Roth <mdroth@linux.vnet.ibm.com> * report rather than assert when VCPU count == 0 * fix up subject: s/set-vcpus/get-vcpus/ Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>
2016-02-25qemu-ga: Fixed minor version switch issueLeonid Bloch
With automatically generated GUID, on minor version changes, an error occurred, stating that there is a problem with the installer. Now, a notification is shown, warning the user that another version of this product is already installed, and that configuration or removal of the existing version is possible through Add/Remove Programs on the Control Panel (expected behavior). Signed-off-by: Leonid Bloch <leonid@daynix.com> Reviewed-by: Michael Roth <mdroth@linux.vnet.ibm.com> Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>
2016-02-25qga: Support enum names in guest-file-seekEric Blake
Magic constants are a pain to use, especially when we run the risk that our choice of '1' for QGA_SEEK_CUR might differ from the host or guest's choice of SEEK_CUR. Better is to use an enum value, via a qapi alternate type for back-compatibility. With this, {"command":"guest-file-seek", "arguments":{"handle":1, "offset":0, "whence":"cur"}} becomes a synonym for the older {"command":"guest-file-seek", "arguments":{"handle":1, "offset":0, "whence":1}} Signed-off-by: Eric Blake <eblake@redhat.com> Reviewed-by: Michael Roth <mdroth@linux.vnet.ibm.com> Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>
2016-02-23all: Clean up includesPeter Maydell
Clean up includes so that osdep.h is included first and headers which it implies are not included manually. This commit was created with scripts/clean-includes. Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Reviewed-by: Eric Blake <eblake@redhat.com>
2016-02-04qga: Clean up includesPeter Maydell
Clean up includes so that osdep.h is included first and headers which it implies are not included manually. This commit was created with scripts/clean-includes. Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Message-id: 1454089805-5470-9-git-send-email-peter.maydell@linaro.org
2016-01-13error: Strip trailing '\n' from error string arguments (again)Markus Armbruster
Commit 6daf194d, be62a2eb and 312fd5f got rid of a bunch, but they keep coming back. Tracked down with the Coccinelle semantic patch from commit 312fd5f. Cc: Fam Zheng <famz@redhat.com> Cc: Peter Crosthwaite <crosthwaitepeter@gmail.com> Cc: Bharata B Rao <bharata@linux.vnet.ibm.com> Cc: Dominik Dingel <dingel@linux.vnet.ibm.com> Cc: David Hildenbrand <dahi@linux.vnet.ibm.com> Cc: Jason J. Herne <jjherne@linux.vnet.ibm.com> Cc: Stefan Berger <stefanb@linux.vnet.ibm.com> Cc: Dr. David Alan Gilbert <dgilbert@redhat.com> Cc: Changchun Ouyang <changchun.ouyang@intel.com> Cc: zhanghailiang <zhang.zhanghailiang@huawei.com> Cc: Pavel Fedin <p.fedin@samsung.com> Signed-off-by: Markus Armbruster <armbru@pond.sub.org> Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com> Acked-by: Cornelia Huck <cornelia.huck@de.ibm.com> Acked-by: Bharata B Rao <bharata@linux.vnet.ibm.com> Acked-by: Fam Zheng <famz@redhat.com> Signed-off-by: Markus Armbruster <armbru@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com> Message-Id: <1450452927-8346-17-git-send-email-armbru@redhat.com>
2015-12-18qga: convert to use error checked base64 decodeDaniel P. Berrange
Switch from using g_base64_decode over to qbase64_decode in order to get error checking of the base64 input data. Reviewed-by: Eric Blake <eblake@redhat.com> Signed-off-by: Daniel P. Berrange <berrange@redhat.com>
2015-11-26Merge remote-tracking branch 'remotes/armbru/tags/pull-monitor-2015-11-26' ↵Peter Maydell
into staging QMP and QObject patches # gpg: Signature made Thu 26 Nov 2015 09:07:18 GMT using RSA key ID EB918653 # gpg: Good signature from "Markus Armbruster <armbru@redhat.com>" # gpg: aka "Markus Armbruster <armbru@pond.sub.org>" * remotes/armbru/tags/pull-monitor-2015-11-26: qjson: Limit number of tokens in addition to total size qjson: surprise, allocating 6 QObjects per token is expensive qjson: store tokens in a GQueue qjson: Convert to parser to recursive descent qjson: replace QString in JSONLexer with GString qjson: Inline token_is_escape() and simplify qjson: Inline token_is_keyword() and simplify qjson: Give each of the six structural chars its own token type qjson: Spell out some silent assumptions check-qjson: Add test for JSON nesting depth limit qjson: Don't crash when input exceeds nesting limit qjson: Apply nesting limit more sanely monitor: Plug memory leak on QMP error Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2015-11-26qjson: store tokens in a GQueuePaolo Bonzini
Even though we still have the "streamer" concept, the tokens can now be deleted as they are read. While doing so convert from QList to GQueue, since the next step will make tokens not a QObject and we will have to do the conversion anyway. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Message-Id: <1448300659-23559-4-git-send-email-pbonzini@redhat.com> Signed-off-by: Markus Armbruster <armbru@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com>
2015-11-25qga: added another non-interactive gspawn() helper file.Yuri Pudgorodskiy
With previous commit we added gspawn-win64-helper-console.exe, required for gspawn() mingw implementation. Unfortunatly when running as a service without interactive desktop, gspawn() also requires another helper app. Added gspawn-win64-helper.exe and gspawn-win32-helper.exe for corresponding architectures. Signed-off-by: Yuri Pudgorodskiy <yur@virtuozzo.com> Signed-off-by: Denis V. Lunev <den@openvz.org> CC: Michael Roth <mdroth@linux.vnet.ibm.com> * remove trailing whitespace Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>
2015-11-25qga: Better mapping of SEEK_* in guest-file-seekEric Blake
Exposing OS-specific SEEK_ constants in our qapi was a mistake (if the host has SEEK_CUR as 1, but the guest has it as 2, then the semantics are unclear what should happen); if we had a time machine, we would instead expose only a symbolic enum. It's too late to change the fact that we have an integer in qapi, but we can at least document what mapping we want to enforce for all qga clients (and luckily, it happens to be the mapping that both Linux and Windows use); then fix the code to match that mapping. It also helps us filter out unsupported SEEK_DATA and SEEK_HOLE. In the future, we may wish to move our QGA_SEEK_* constants into qga/qapi-schema.json, along with updating the schema to take an alternate type (either the integer, or the string value of the enum name) - but that's too much risk during hard freeze. Signed-off-by: Eric Blake <eblake@redhat.com> Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>
2015-11-25qga: flush explicitly when neededMarc-André Lureau
According to the specification: http://pubs.opengroup.org/onlinepubs/9699919799/functions/fopen.html "the application shall ensure that output is not directly followed by input without an intervening call to fflush() or to a file positioning function (fseek(), fsetpos(), or rewind()), and input is not directly followed by output without an intervening call to a file positioning function, unless the input operation encounters end-of-file." Without this change, an fwrite() followed by an fread() may lose the previously written content, as shown in the following test. Fixes: https://bugzilla.redhat.com/show_bug.cgi?id=1210246 Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com> * don't confuse {write,read}() with f{write,read}() in commit msg (Laszlo) Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>
2015-11-25qga: gspawn() console helper to Windows guest agent msi buildYuri Pudgorodskiy
This helper, gspawn-win64-helper-console.exe for 64-bit and gspawn-win32-helper-console.exe for 32-bit environment, is needed for gspawn() mingw implementation, used by guest-exec command. Without these files guest-exec command on Windows will not work with "file not found" diagnostic message. Signed-off-by: Yuri Pudgorodskiy <yur@virtuozzo.com> Signed-off-by: Denis V. Lunev <den@openvz.org> CC: Michael Roth <mdroth@linux.vnet.ibm.com> Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>
2015-11-17qga: allow to lookup in PATH from the passed envp for guest-execYuri Pudgorodskiy
This was original behaviour before GLIB gspawn() rework and we rely on this behaviour. Signed-off-by: Yuri Pudgorodskiy <yur@virtuozzo.com> Signed-off-by: Denis V. Lunev <den@openvz.org> CC: Michael Roth <mdroth@linux.vnet.ibm.com> * add version check (2.33.2) for G_SPAWN_SEARCH_PATH_FROM_ENVP Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>
2015-11-17qga: fix for default env processing for guest-execYuri Pudgorodskiy
envp == NULL must be passed inside gspawn() if it was not passed with the command line. Original code inherits environment from the QGA, which is wrong. Signed-off-by: Yuri Pudgorodskiy <yur@virtuozzo.com> Signed-off-by: Denis V. Lunev <den@openvz.org> CC: Michael Roth <mdroth@linux.vnet.ibm.com> Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>
2015-11-11qga: fix append file open modes for win32Kirk Allan
For append file open modes, use FILE_APPEND_DATA for the desired access for writing at the end of the file. Version 2: For "a+", "ab+", and "a+b" modes use FILE_APPEND_DATA|GENERIC_READ. ORing in GENERIC_READ starts a read at the begining of the file. All writes will append to the end fo the file. Added white space to maintain the alignment of the guest_file_open_modes[]. Signed-off-by: Kirk Allan <kallan@suse.com> Cc: qemu-stable@nongnu.org * use FILE_GENERIC_APPEND macro, which provides same semantics as FILE_APPEND_DATA, but retains other flags from GENERIC_WRITE Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>
2015-11-04qga: set file descriptor in qmp_guest_file_open non-blocking on Win32Olga Krishtal
Set fd non-blocking to avoid common use cases (like reading from a named pipe) from hanging the agent. This was missed in the original code. The patch introduces qemu_set_handle_nonoblocking, the local analog of qemu_set_nonblock for HANDLES. The usage of handles in qemu_set_non/block is impossible, because for win32 there is a difference between file discriptors and file handles, and all file ops are made via Win32 api. Signed-off-by: Olga Krishtal <okrishtal@parallels.com> Signed-off-by: Denis V. Lunev <den@openvz.org> CC: Michael Roth <mdroth@linux.vnet.ibm.com> CC: Stefan Weil <sw@weilnetz.de> Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>
2015-11-04qga: fixed CloseHandle in qmp_guest_file_openOlga Krishtal
CloseHandle use HANDLE as an argument, but not *HANDLE Signed-off-by: Olga Krishtal <okrishtal@parallels.com> Signed-off-by: Denis V. Lunev <den@openvz.org> Reviewed-by: Stefan Weil <sw@weilnetz.de> CC: Michael Roth <mdroth@linux.vnet.ibm.com> Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>
2015-11-04qga: drop hand-made guest_file_toggle_flags helperDenis V. Lunev
We'd better use generic qemu_set_nonblock directly. Signed-off-by: Denis V. Lunev <den@openvz.org> Reviewed-by: Yuri Pudgorodskiy <yur@virtuozzo.com> Reviewed-by: Eric Blake <eblake@redhat.com> CC: Michael Roth <mdroth@linux.vnet.ibm.com> Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>
2015-10-29qdict: Make conversion from QObject * accept nullMarkus Armbruster
qobject_to_qdict() crashes on null, which is a trap for the unwary. Return null instead, and simplify a few callers. Signed-off-by: Markus Armbruster <armbru@redhat.com> Message-Id: <1444918537-18107-4-git-send-email-armbru@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com> Reviewed-by: Luiz Capitulino <lcapitulino@redhat.com>
2015-10-19qga: fix uninitialized value warning for win32Michael Roth
Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>
2015-10-19qga: guest-exec simple stdin/stdout/stderr redirectionYuri Pudgorodskiy
Implemented with base64-encoded strings in qga json protocol. Glib portable GIOChannel is used for data I/O. Optinal stdin parameter of guest-exec command is now used as stdin content for spawned subprocess. If capture-output bool flag is specified, guest-exec redirects out/err file descriptiors internally to pipes and collects subprocess output. Guest-exe-status is modified to return this collected data to requestor in base64 encoding. Signed-off-by: Yuri Pudgorodskiy <yur@virtuozzo.com> Signed-off-by: Denis V. Lunev <den@openvz.org> Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com> * switch from 'struct GuestIOExecData' to 'GuestIOExecData' * s/TRUE/true/g, s/FALSE/false/g for gboolean return values * s/inp_data/input_data/ Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>
2015-10-19qga: handle G_IO_STATUS_AGAIN in ga_channel_write_all()Yuri Pudgorodskiy
glib may return G_IO_STATUS_AGAIN which is actually not an error. Also fixed a bug when on incomplete write buf pointer was not adjusted. Signed-off-by: Yuri Pudgorodskiy <yur@virtuozzo.com> Signed-off-by: Denis V. Lunev <den@openvz.org> Reviewed-by: Michael Roth <mdroth@linux.vnet.ibm.com> Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>
2015-10-19qga: handle possible SIGPIPE in guest-file-writeDenis V. Lunev
qemu-ga should not exit on guest-file-write to pipe without read end but proper error code should be returned. The behavior of the spawned process should be default thus SIGPIPE processing should be reset to default after fork() but before exec(). Signed-off-by: Denis V. Lunev <den@openvz.org> Signed-off-by: Yuri Pudgorodskiy <yur@virtuozzo.com> Reviewed-by: Michael Roth <mdroth@linux.vnet.ibm.com> Signed-off-by: Denis V. Lunev <den@openvz.org> Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>
2015-10-19qga: guest exec functionalityYuri Pudgorodskiy
Guest-exec rewritten in platform-independent style with glib spawn. Child process is spawn asynchronously and exit status can later be picked up by guest-exec-status command. stdin/stdout/stderr of the child now is redirected to /dev/null Later we will add ability to specify stdin in guest-exec command and to get collected stdout/stderr with guest-exec-status. Signed-off-by: Yuri Pudgorodskiy <yur@virtuozzo.com> Signed-off-by: Denis V. Lunev <den@openvz.org> CC: Michael Roth <mdroth@linux.vnet.ibm.com> * use g_new0 in place of g_malloc for GuestExec struct * commit msg spelling fixes * s/inp-data/input-data * document capture-input mode as false by default * use GetProcessId() for pids on w32 instead of casting HANDLE Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>
2015-10-19qga: drop guest_file_init helper and replace it with static initializersDenis V. Lunev
This just makes code shorter and better. Signed-off-by: Denis V. Lunev <den@openvz.org> Signed-off-by: Yuri Pudgorodskiy <yur@virtuozzo.com> Reviewed-by: Michael Roth <mdroth@linux.vnet.ibm.com> Signed-off-by: Denis V. Lunev <den@openvz.org> Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>
2015-10-19qga: guest-get-memory-blocks shouldn't fail for unexposed memory blocksMichael Roth
Some guests don't expose memory blocks via sysfs at all. This shouldn't be a failure, instead just return an empty list. For other access failures we still report an error. Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>
2015-10-19qga: do not override configuration verbosityMarc-André Lureau
Move the default verbosity settings before loading the configuration file, or it will overwrite it. Found thanks to writing qga tests :) Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com> Reviewed-by: Michael Roth <mdroth@linux.vnet.ibm.com> Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>
2015-10-19qga: add QGA_CONF environment variableMarc-André Lureau
Having a environment variable allows to override default configuration path, useful for testing. Note that this can't easily be an argument, since loading config is done before parsing the arguments. Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com> Reviewed-by: Michael Roth <mdroth@linux.vnet.ibm.com> Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>
2015-10-19qga: Use g_new() & friends where that makes obvious senseMarkus Armbruster
g_new(T, n) is neater than g_malloc(sizeof(T) * n). It's also safer, for two reasons. One, it catches multiplication overflowing size_t. Two, it returns T * rather than void *, which lets the compiler catch more type errors. This commit only touches allocations with size arguments of the form sizeof(T). Same Coccinelle semantic patch as in commit b45c03f. Signed-off-by: Markus Armbruster <armbru@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com> Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>
2015-09-11typofixes - v4Veres Lajos
Signed-off-by: Veres Lajos <vlajos@gmail.com> Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
2015-09-11docs: fix a qga/qapi-schema.json commentMarc-André Lureau
For consistency with the rest of the comment blocks. Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com> Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
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