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* ui/input-linux: Do not ignore ioctl() return valuePhilippe Mathieu-Daudé2020-03-251-2/+27
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Fix warnings reported by Clang static code analyzer: CC ui/input-linux.o ui/input-linux.c:343:9: warning: Value stored to 'rc' is never read rc = ioctl(il->fd, EVIOCGBIT(EV_REL, sizeof(relmap)), &relmap); ^ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ui/input-linux.c:351:9: warning: Value stored to 'rc' is never read rc = ioctl(il->fd, EVIOCGBIT(EV_ABS, sizeof(absmap)), &absmap); ^ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ui/input-linux.c:354:13: warning: Value stored to 'rc' is never read rc = ioctl(il->fd, EVIOCGABS(ABS_X), &absinfo); ^ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ui/input-linux.c:357:13: warning: Value stored to 'rc' is never read rc = ioctl(il->fd, EVIOCGABS(ABS_Y), &absinfo); ^ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ui/input-linux.c:365:9: warning: Value stored to 'rc' is never read rc = ioctl(il->fd, EVIOCGBIT(EV_KEY, sizeof(keymap)), keymap); ^ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ui/input-linux.c:366:9: warning: Value stored to 'rc' is never read rc = ioctl(il->fd, EVIOCGKEY(sizeof(keystate)), keystate); ^ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ Reported-by: Clang Static Analyzer Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com> Reviewed-by: Darren Kenny <darren.kenny@oracle.com> Message-id: 20200322161219.17757-1-philmd@redhat.com Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
* ui/curses: Move arrays to .heap to save 74KiB of .bssPhilippe Mathieu-Daudé2020-03-161-2/+6
| | | | | | | | | We only need these arrays when using the curses display. Move them from the .bss to the .heap (sizes reported on x86_64 host: screen[] is 64KiB, vga_to_curses 7KiB). Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
* ui/curses: Make control_characters[] array constPhilippe Mathieu-Daudé2020-03-161-1/+1
| | | | | | | | As we only use this array as input, make it const. Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com> Reviewed-by: Stefano Garzarella <sgarzare@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
* qom/object: enable setter for uint typesFelipe Franciosi2020-03-161-2/+2
| | | | | | | | | | | | | | | | | | Traditionally, the uint-specific property helpers only offer getters. When adding object (or class) uint types, one must therefore use the generic property helper if a setter is needed (and probably duplicate some code writing their own getters/setters). This enhances the uint-specific property helper APIs by adding a bitwise-or'd 'flags' field and modifying all clients of that API to set this paramater to OBJ_PROP_FLAG_READ. This maintains the current behaviour whilst allowing others to also set OBJ_PROP_FLAG_WRITE (or use the more convenient OBJ_PROP_FLAG_READWRITE) in the future (which will automatically install a setter). Other flags may be added later. Signed-off-by: Felipe Franciosi <felipe@nutanix.com> Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
* ui/cocoa.m: Update documentation file and pathnamePeter Maydell2020-03-061-2/+2
| | | | | | | | | | | | | We want to stop generating the old qemu-doc.html; first we must update places that refer to it so they instead go to our top level index.html documentation landing page. The Cocoa UI has a menu option to bring up the documentation; make it point to the new top level index.html instead. Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Reviewed-by: Alex Bennée <alex.bennee@linaro.org> Tested-by: Alex Bennée <alex.bennee@linaro.org> Message-id: 20200228153619.9906-31-peter.maydell@linaro.org
* ui/input-barrier: Remove superfluous semicolonPhilippe Mathieu-Daudé2020-02-181-1/+1
| | | | | | | | | | Fixes: 6105683da35 Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com> Acked-by: Paolo Bonzini <pbonzini@redhat.com> Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com> Reviewed-by: Juan Quintela <quintela@redhat.com> Message-Id: <20200218094402.26625-11-philmd@redhat.com> Signed-off-by: Laurent Vivier <laurent@vivier.eu>
* qapi: Split control.json off misc.jsonKevin Wolf2020-02-171-0/+1
| | | | | | | | | | | | | | misc.json contains definitions that are related to the system emulator, so it can't be used for other tools like the storage daemon. This patch moves basic functionality that is shared between all tools (and mostly related to the monitor itself) into a new control.json, which could be used in tools as well. Signed-off-by: Kevin Wolf <kwolf@redhat.com> Reviewed-by: Markus Armbruster <armbru@redhat.com> Message-Id: <20200129102239.31435-3-kwolf@redhat.com> [Commit message tweaked] Signed-off-by: Markus Armbruster <armbru@redhat.com>
* ui/cocoa: Drop workarounds for pre-10.12 OSXPeter Maydell2020-02-121-59/+0Star
| | | | | | | | | | | | | | | | | Our official OSX support policy covers the last two released versions. Currently that is 10.14 and 10.15. We also may work on older versions, but don't guarantee it. In commit 50290c002c045280f8d in mid-2019 we introduced some uses of CLOCK_MONOTONIC which incidentally broke compilation for pre-10.12 OSX versions (see LP:1861551). We don't intend to fix that, so we might as well drop the code in ui/cocoa.m which caters for pre-10.12 versions as well. (For reference, 10.11 fell out of Apple extended security support in September 2018.) Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Message-Id: <20200201170534.22123-1-peter.maydell@linaro.org> Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
* ui/gtk: implement show-cursor optionGerd Hoffmann2020-02-121-2/+6
| | | | | | | | When specified just set null_cursor to NULL so we get the default pointer instead of a blank pointer. Signed-off-by: Gerd Hoffmann <kraxel@redhat.com> Reviewed-by: Ján Tomko <jtomko@redhat.com>
* ui/cocoa: switch to new show-cursor optionGerd Hoffmann2020-02-121-0/+4
| | | | | | | | Use DisplayOpts settings to set the new file-global cursor_hide variable, stop using the qemu-global cursor_hide variable. Signed-off-by: Gerd Hoffmann <kraxel@redhat.com> Reviewed-by: Ján Tomko <jtomko@redhat.com>
* ui/sdl: switch to new show-cursor optionGerd Hoffmann2020-02-121-8/+8
| | | | | | | | Use DisplayOpts settings instead of cursor_hide global variable. Also make "-display sdl,show-cursor=on" work. Signed-off-by: Gerd Hoffmann <kraxel@redhat.com> Reviewed-by: Ján Tomko <jtomko@redhat.com>
* ui/gtk: Fix gd_refresh_rate_millihz() when widget window is not realizedPhilippe Mathieu-Daudé2020-02-121-5/+7
| | | | | | | | | | | | | | | | | | | | | | | gtk_widget_get_window() returns NULL if the widget's window is not realized, and QEMU crashes. Example under gtk 3.22.30 (mate 1.20.1): qemu-system-x86_64: Gdk: gdk_window_get_origin: assertion 'GDK_IS_WINDOW (window)' failed (gdb) bt #0 0x00007ffff496cf70 in gdk_window_get_origin () from /usr/lib64/libgdk-3.so.0 #1 0x00007ffff49582a0 in gdk_display_get_monitor_at_window () from /usr/lib64/libgdk-3.so.0 #2 0x0000555555bb73e2 in gd_refresh_rate_millihz (window=0x5555579d6280) at ui/gtk.c:1973 #3 gd_vc_gfx_init (view_menu=0x5555579f0590, group=0x0, idx=0, con=<optimized out>, vc=0x5555579d4a90, s=0x5555579d49f0) at ui/gtk.c:2048 #4 gd_create_menu_view (s=0x5555579d49f0) at ui/gtk.c:2149 #5 gd_create_menus (s=0x5555579d49f0) at ui/gtk.c:2188 #6 gtk_display_init (ds=<optimized out>, opts=0x55555661ed80 <dpy>) at ui/gtk.c:2256 #7 0x000055555583d5a0 in main (argc=<optimized out>, argv=<optimized out>, envp=<optimized out>) at vl.c:4358 Fixes: c4c00922cc and 28b58f19d2 (display/gtk: get proper refreshrate) Reported-by: Jan Kiszka <jan.kiszka@web.de> Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Tested-by: Jan Kiszka <jan.kiszka@web.de> Message-id: 20200208161048.11311-3-f4bug@amsat.org Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
* ui/gtk: Update gd_refresh_rate_millihz() to handle VirtualConsolePhilippe Mathieu-Daudé2020-02-121-4/+5
| | | | | | | Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Tested-by: Jan Kiszka <jan.kiszka@web.de> Message-id: 20200208161048.11311-2-f4bug@amsat.org Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
* ui/console: Display the 'none' backend in '-display help'Philippe Mathieu-Daudé2020-01-211-0/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Commit c388f408b5 added the possibility to list the display backends using '-display help'. Since the 'none' backend is is not implemented as a DisplayChangeListenerOps, it is not registered to the dpys[] array with qemu_display_register(), and is not listed in the help output. This might be confusing, as we list it in the man page: -display type Select type of display to use. This option is a replacement for the old style -sdl/-curses/... options. Valid values for type are none Do not display video output. The guest will still see an emulated graphics card, but its output will not be displayed to the QEMU user. This option differs from the -nographic option in that it only affects what is done with video output; -nographic also changes the destination of the serial and parallel port data. Fix by manually listing the special 'none' backend in the help. Suggested-by: Thomas Huth <thuth@redhat.com> Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com> Message-id: 20200120192947.31613-1-philmd@redhat.com Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
* vnc: prioritize ZRLE compression over ZLIBCameron Esfahani2020-01-212-4/+11
| | | | | | | | | | | | | In my investigation, ZRLE always compresses better than ZLIB so prioritize ZRLE over ZLIB, even if the client hints that ZLIB is preferred. zlib buffer is always reset in zrle_compress_data(), so using offset to calculate next_out and avail_out is useless. Signed-off-by: Cameron Esfahani <dirty@apple.com> Message-Id: <b5d129895d08a90d0a2a6183b95875bacfa998b8.1579582674.git.dirty@apple.com> Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
* Revert "vnc: allow fall back to RAW encoding"Gerd Hoffmann2020-01-211-18/+2Star
| | | | | | | | | | | | | | | | | | | | | This reverts commit de3f7de7f4e257ce44cdabb90f5f17ee99624557. Remove VNC optimization to reencode framebuffer update as raw if it's smaller than the default encoding. QEMU's implementation was naive and didn't account for the ZLIB z_stream mutating with each compression. Because of the mutation, simply resetting the output buffer's offset wasn't sufficient to "rewind" the operation. The mutated z_stream would generate future zlib blocks which referred to symbols in past blocks which weren't sent. This would lead to artifacting. Considering that ZRLE is never larger than raw and even though ZLIB can occasionally be fractionally larger than raw, the overhead of implementing this optimization correctly isn't worth it. Signed-off-by: Cameron Esfahani <dirty@apple.com> Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
* ui/gtk: Get display refresh rate with GDK version 3.22 or laterPhilippe Mathieu-Daudé2020-01-161-5/+18
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Commit c4c00922cc introduced the use of the GdkMonitor API, which was introduced in GTK+ 3.22: https://developer.gnome.org/gdk3/stable/api-index-3-22.html#api-index-3.22 Unfortunately this break building with older versions, as on Ubuntu Xenial which provides GTK+ 3.18: $ lsb_release -cd Description: Ubuntu 16.04.5 LTS Codename: xenial $ ./configure && make GTK support yes (3.18.9) GTK GL support no [...] CC ui/gtk.o qemu/ui/gtk.c: In function ‘gd_vc_gfx_init’: qemu/ui/gtk.c:1973:5: error: unknown type name ‘GdkMonitor’ GdkMonitor *monitor = gdk_display_get_monitor_at_window(dpy, win); ^ qemu/ui/gtk.c:1973:27: error: implicit declaration of function ‘gdk_display_get_monitor_at_window’ [-Werror=implicit-function-declaration] GdkMonitor *monitor = gdk_display_get_monitor_at_window(dpy, win); ^ qemu/ui/gtk.c:1973:5: error: nested extern declaration of ‘gdk_display_get_monitor_at_window’ [-Werror=nested-externs] GdkMonitor *monitor = gdk_display_get_monitor_at_window(dpy, win); ^ qemu/ui/gtk.c:1973:27: error: initialization makes pointer from integer without a cast [-Werror=int-conversion] GdkMonitor *monitor = gdk_display_get_monitor_at_window(dpy, win); ^ qemu/ui/gtk.c:2035:28: error: implicit declaration of function ‘gdk_monitor_get_refresh_rate’ [-Werror=implicit-function-declaration] refresh_rate_millihz = gdk_monitor_get_refresh_rate(monitor); ^ qemu/ui/gtk.c:2035:5: error: nested extern declaration of ‘gdk_monitor_get_refresh_rate’ [-Werror=nested-externs] refresh_rate_millihz = gdk_monitor_get_refresh_rate(monitor); ^ cc1: all warnings being treated as errors qemu/rules.mak:69: recipe for target 'ui/gtk.o' failed make: *** [ui/gtk.o] Error 1 GTK+ provides convenient definition in <gdk/gdkversionmacros.h> (already include by <gdk/gdk.h>) to check which API are available. We only use the GdkMonitor API to get the monitor refresh rate. Extract this code as a new gd_refresh_rate_millihz() function, and check GDK_VERSION_3_22 is defined before calling its API. If it is not defined, return 0. This is safe and fixes our build failure (see https://travis-ci.org/qemu/qemu/builds/636992508). Reported-by: Travis-CI Reviewed-by: Gerd Hoffmann <kraxel@redhat.com> Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com> Message-id: 20200116115413.31650-1-philmd@redhat.com Fixes: c4c00922cc (display/gtk: get proper refreshrate) Reviewed-by: Gerd Hoffmann <kraxel@redhat.com> Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com> Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
* display/gtk: get proper refreshrateNikola Pavlica2020-01-141-0/+11
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Because some VMs in QEMU can get GPU virtualization (using technologies such as iGVT-g, as mentioned previously), they could produce a video output that had a higher display refresh rate than of what the GTK display was displaying. (fxp. Playing a video game inside of a Windows VM at 60 Hz, while the output stood locked at 33 Hz because of defaults set in include/ui/console.h) Since QEMU does indeed have internal systems for determining frame times as defined in ui/console.c. The code checks for a variable called update_interval that it later uses for time calculation. This variable, however, isn't defined anywhere in ui/gtk.c and instead ui/console.c just sets it to GUI_REFRESH_INTERVAL_DEFAULT which is 30 update_interval represents the number of milliseconds per display refresh, and by doing some math we get that 1000/30 = 33.33... Hz This creates the mentioned problem and what this patch does is that it checks for the display refresh rate reported by GTK itself (we can take this as a safe value) and just converts it back to a number of milliseconds per display refresh. Signed-off-by: Nikola Pavlica <pavlica.nikola@gmail.com> Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com> Message-id: 20200108121342.29597-1-pavlica.nikola@gmail.com [ kraxel: style tweak: add blank line between vars and code ] Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
* ui: Print available display backends with '-display help'Thomas Huth2020-01-141-0/+15
| | | | | | | | | | | | We already print availabled devices with "-device help", or available backends with "-netdev help" or "-chardev help". Let's provide a way for the users to query the available display backends, too. Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com> Tested-by: Philippe Mathieu-Daudé <philmd@redhat.com> Signed-off-by: Thomas Huth <thuth@redhat.com> Message-id: 20200108144702.29969-1-thuth@redhat.com Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
* screendump: use qemu_unlink()Marc-André Lureau2020-01-021-1/+1
| | | | | | | Don't attempt to remove /dev/fdset files. Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com> Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
* screendump: replace FILE with QIOChannel and fix close()/qemu_close()Marc-André Lureau2020-01-021-21/+16Star
| | | | | | | | | | | | The file opened for ppm_save() may be a /dev/fdset, in which case a dup fd is added to the fdset. It should be removed by calling qemu_close(), instead of the implicit close() on fclose(). I don't see a convenient way to solve that with stdio streams, so I switched the code to QIOChannel which uses qemu_close(). Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com> Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
* ppm-save: pass opened fdMarc-André Lureau2020-01-022-24/+23Star
| | | | | | | | | | This will allow to pre-open the file before running the async finish handler and avoid potential monitor fdset races. (note: this is preliminary work for asynchronous screendump support) Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com> Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
* console: add graphic_hw_update_done()Marc-André Lureau2020-01-021-0/+9
| | | | | | | | | | | | | | Add a function to be called when a graphic update is done. Declare the QXL renderer as async: render_update_cookie_num counts the number of outstanding updates, and graphic_hw_update_done() is called when it reaches none. (note: this is preliminary work for asynchronous screendump support) Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com> Reviewed-by: Gerd Hoffmann <kraxel@redhat.com> Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
* vnc: drop Error pointer indirection in vnc_client_io_errorVladimir Sementsov-Ogievskiy2019-12-182-14/+8Star
| | | | | | | | | | | We don't need Error **, as all callers pass local Error object, which isn't used after the call, or NULL. Use Error * instead. Signed-off-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com> Reviewed-by: Markus Armbruster <armbru@redhat.com> Message-Id: <20191205174635.18758-6-vsementsov@virtuozzo.com> Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com> Signed-off-by: Markus Armbruster <armbru@redhat.com>
* glib: use portable g_setenv()Marc-André Lureau2019-12-171-1/+1
| | | | | | | | | | | We have a setenv() wrapper in os-win32.c that no one is actually using. Drop it and change to g_setenv() uniformly. Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Message-Id: <1576074210-52834-7-git-send-email-pbonzini@redhat.com> Reviewed-by: Thomas Huth <thuth@redhat.com> Signed-off-by: Thomas Huth <thuth@redhat.com>
* ui/gtk: fix gettext message's charset.yanminhui2019-11-211-0/+1
| | | | | | Signed-off-by: yanminhui <yanminhui163@163.com> Message-Id: <20191116031037.1207-1-yanminhui163@163.com> Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
* ui: fix keymap file search in input-barrier objectLaurent Vivier2019-10-181-7/+7
| | | | | | | | | | | | | | | | | | | | | If we try to start QEMU with "-k en-us", qemu prints a message and exits with: qemu-system-i386: could not read keymap file: 'en-us' It's because this function is called way too early, before qemu_add_data_dir() is called, and so qemu_find_file() fails. To fix that, move init_keyboard_layout() from the class init function to the instance init function. Reported-by: Anthony PERARD <anthony.perard@citrix.com> Reviewed-by: Anthony PERARD <anthony.perard@citrix.com> Signed-off-by: Laurent Vivier <laurent@vivier.eu> Message-id: 20190923220658.27007-1-laurent@vivier.eu Fixes: 6105683da35b ("ui: add an embedded Barrier client") Signed-off-by: Laurent Vivier <laurent@vivier.eu> Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
* curses: correctly pass the color pair to setcchar()Matthew Kilgore2019-10-181-1/+3
| | | | | | | | | | | | | | | | The current code does not correctly pass the color pair information to setcchar(), it instead always passes zero. This results in the curses output always being in white on black. This patch fixes this by using PAIR_NUMBER() to retrieve the color pair number from the chtype value, and then passes that value as an argument to setcchar(). Signed-off-by: Matthew Kilgore <mattkilgore12@gmail.com> Reviewed-by: Samuel Thibault <samuel.thibault@ens-lyon.org> Tested-by: Samuel Thibault <samuel.thibault@ens-lyon.org> Message-id: 20191004035338.25601-3-mattkilgore12@gmail.com Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
* curses: use the bit mask constants provided by cursesMatthew Kilgore2019-10-181-2/+2
| | | | | | | | | | | | | The curses API provides the A_ATTRIBUTES and A_CHARTEXT bit masks for getting the attributes and character parts of a chtype, respectively. We should use provided constants instead of using 0xff. Signed-off-by: Matthew Kilgore <mattkilgore12@gmail.com> Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com> Reviewed-by: Samuel Thibault <samuel.thibault@ens-lyon.org> Tested-by: Samuel Thibault <samuel.thibault@ens-lyon.org> Message-id: 20191004035338.25601-2-mattkilgore12@gmail.com Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
* ui: Fix hanging up Cocoa display on macOS 10.15 (Catalina)Hikaru Nishida2019-10-181-0/+12
| | | | | | | | | | | | | | | macOS API documentation says that before applicationDidFinishLaunching is called, any events will not be processed. However, some events are fired before it is called in macOS Catalina. This causes deadlock of iothread_lock in handleEvent while it will be released after the app_started_sem is posted. This patch avoids processing events before the app_started_sem is posted to prevent this deadlock. Buglink: https://bugs.launchpad.net/qemu/+bug/1847906 Signed-off-by: Hikaru Nishida <hikarupsp@gmail.com> Message-id: 20191015010734.85229-1-hikarupsp@gmail.com Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
* vnc: fix memory leak when vnc disconnectLi Qiang2019-09-176-162/+170
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Currently when qemu receives a vnc connect, it creates a 'VncState' to represent this connection. In 'vnc_worker_thread_loop' it creates a local 'VncState'. The connection 'VcnState' and local 'VncState' exchange data in 'vnc_async_encoding_start' and 'vnc_async_encoding_end'. In 'zrle_compress_data' it calls 'deflateInit2' to allocate the libz library opaque data. The 'VncState' used in 'zrle_compress_data' is the local 'VncState'. In 'vnc_zrle_clear' it calls 'deflateEnd' to free the libz library opaque data. The 'VncState' used in 'vnc_zrle_clear' is the connection 'VncState'. In currently implementation there will be a memory leak when the vnc disconnect. Following is the asan output backtrack: Direct leak of 29760 byte(s) in 5 object(s) allocated from: 0 0xffffa67ef3c3 in __interceptor_calloc (/lib64/libasan.so.4+0xd33c3) 1 0xffffa65071cb in g_malloc0 (/lib64/libglib-2.0.so.0+0x571cb) 2 0xffffa5e968f7 in deflateInit2_ (/lib64/libz.so.1+0x78f7) 3 0xaaaacec58613 in zrle_compress_data ui/vnc-enc-zrle.c:87 4 0xaaaacec58613 in zrle_send_framebuffer_update ui/vnc-enc-zrle.c:344 5 0xaaaacec34e77 in vnc_send_framebuffer_update ui/vnc.c:919 6 0xaaaacec5e023 in vnc_worker_thread_loop ui/vnc-jobs.c:271 7 0xaaaacec5e5e7 in vnc_worker_thread ui/vnc-jobs.c:340 8 0xaaaacee4d3c3 in qemu_thread_start util/qemu-thread-posix.c:502 9 0xffffa544e8bb in start_thread (/lib64/libpthread.so.0+0x78bb) 10 0xffffa53965cb in thread_start (/lib64/libc.so.6+0xd55cb) This is because the opaque allocated in 'deflateInit2' is not freed in 'deflateEnd'. The reason is that the 'deflateEnd' calls 'deflateStateCheck' and in the latter will check whether 's->strm != strm'(libz's data structure). This check will be true so in 'deflateEnd' it just return 'Z_STREAM_ERROR' and not free the data allocated in 'deflateInit2'. The reason this happens is that the 'VncState' contains the whole 'VncZrle', so when calling 'deflateInit2', the 's->strm' will be the local address. So 's->strm != strm' will be true. To fix this issue, we need to make 'zrle' of 'VncState' to be a pointer. Then the connection 'VncState' and local 'VncState' exchange mechanism will work as expection. The 'tight' of 'VncState' has the same issue, let's also turn it to a pointer. Reported-by: Ying Fang <fangying1@huawei.com> Signed-off-by: Li Qiang <liq3ea@163.com> Message-id: 20190831153922.121308-1-liq3ea@163.com Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
* ui: add an embedded Barrier clientLaurent Vivier2019-09-173-0/+863
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This allows to receive mouse and keyboard events from a Barrier server. This is enabled by adding the following parameter on the command line ... -object input-barrier,id=$id,name=$name ... Where $name is the name declared in the screens section of barrier.conf The barrier server (barriers) must be configured and must run on the local host. For instance: section: screens localhost: ... VM-1: ... end section: links localhost: right = VM-1 VM-1: left = localhost end Then on the QEMU command line: ... -object input-barrier,id=barrie0,name=VM-1 ... When the mouse will move out of the screen of the local host on the right, the mouse and the keyboard will be grabbed and all related events will be send to the guest OS. This is usefull when qemu is configured without emulated graphic card but with a VFIO attached graphic card. More information about Barrier can be found at: https://github.com/debauchee/barrier This avoids to install the Barrier server in the guest OS, for instance when it is not supported or during the installation. Signed-off-by: Laurent Vivier <laurent@vivier.eu> Message-id: 20190906083812.29487-1-laurent@vivier.eu Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
* vnc: fix websocket field in eventsGerd Hoffmann2019-09-171-0/+1
| | | | | | | | | Just need to fill VncClientInfo.websocket in vnc_client_cache_addr(). Buglink: https://bugzilla.redhat.com/show_bug.cgi?id=1748175 Signed-off-by: Gerd Hoffmann <kraxel@redhat.com> Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com> Message-id: 20190904055250.22421-1-kraxel@redhat.com
* ui/egl: fix framebuffer readsGerd Hoffmann2019-09-172-6/+4Star
| | | | | | | | | | | | | | | Fix egl_fb_read() to use the (destination) surface size instead of the (source) framebuffer source for glReadPixels. Pass the DisplaySurface instead of the pixeldata pointer to egl_fb_read() to make this possible. With that in place framebuffer reads work fine even if the surface and framebuffer sizes don't match, so we can remove the guest-triggerable asserts in egl_scanout_flush(). Buglink: https://bugzilla.redhat.com//show_bug.cgi?id=1749659 Signed-off-by: Gerd Hoffmann <kraxel@redhat.com> Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com> Message-id: 20190909073911.24787-1-kraxel@redhat.com
* socket: Add num connections to qio_net_listener_open_sync()Juan Quintela2019-09-031-2/+2
| | | | | Reviewed-by: Daniel P. Berrangé <berrange@redhat.com> Signed-off-by: Juan Quintela <quintela@redhat.com>
* build-sys: build ui-spice-app as a moduleMarc-André Lureau2019-08-271-1/+3
| | | | | | | | | | | This reverts commit 45db1ac157 ("modules-test: ui-spice-app is not built as module") and fixes commit d8aec9d9f1 ("display: add -display spice-app launching a Spice client"). Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com> Reviewed-by: Thomas Huth <thuth@redhat.com> Message-id: 20190827140241.20818-1-marcandre.lureau@redhat.com Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
* Merge remote-tracking branch 'remotes/kraxel/tags/ui-20190822-pull-request' ↵Peter Maydell2019-08-222-0/+6
|\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | into staging curses: assert get_wch return value is okay input-linux: add shift+shift as a grab toggle # gpg: Signature made Thu 22 Aug 2019 05:41:44 BST # gpg: using RSA key 4CB6D8EED3E87138 # gpg: Good signature from "Gerd Hoffmann (work) <kraxel@redhat.com>" [full] # gpg: aka "Gerd Hoffmann <gerd@kraxel.org>" [full] # gpg: aka "Gerd Hoffmann (private) <kraxel@gmail.com>" [full] # Primary key fingerprint: A032 8CFF B93A 17A7 9901 FE7D 4CB6 D8EE D3E8 7138 * remotes/kraxel/tags/ui-20190822-pull-request: input-linux: add shift+shift as a grab toggle curses: assert get_wch return value is okay Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
| * input-linux: add shift+shift as a grab toggleNiklas Haas2019-08-211-0/+4
| | | | | | | | | | | | | | | | | | We have ctrl-ctrl and alt-alt; why not shift-shift? That's my preferred grab binding, personally. Signed-off-by: Niklas Haas <git@haasn.xyz> Message-id: 20190818105038.19520-1-qemu@haasn.xyz Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
| * curses: assert get_wch return value is okayPaolo Bonzini2019-08-211-0/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | This prevents the compiler from reporting a possible uninitialized use of maybe_keycode in function curses_refresh. Cc: Gerd Hoffmann <kraxel@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Message-id: 1563451264-46176-1-git-send-email-pbonzini@redhat.com [ kraxel: whitespace fixup ] Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
* | Merge remote-tracking branch 'remotes/armbru/tags/pull-monitor-2019-08-21' ↵Peter Maydell2019-08-221-1/+1
|\ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | into staging Monitor patches for 2019-08-21 # gpg: Signature made Wed 21 Aug 2019 16:35:07 BST # gpg: using RSA key 354BC8B3D7EB2A6B68674E5F3870B400EB918653 # gpg: issuer "armbru@redhat.com" # gpg: Good signature from "Markus Armbruster <armbru@redhat.com>" [full] # gpg: aka "Markus Armbruster <armbru@pond.sub.org>" [full] # Primary key fingerprint: 354B C8B3 D7EB 2A6B 6867 4E5F 3870 B400 EB91 8653 * remotes/armbru/tags/pull-monitor-2019-08-21: monitor/qmp: Update comment for commit 4eaca8de268 qdev: Collect HMP handlers command handlers in qdev-monitor.c qapi: Move query-target from misc.json to machine.json hw/core: Move cpu.c, cpu.h from qom/ to hw/core/ Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
| * | hw/core: Move cpu.c, cpu.h from qom/ to hw/core/Markus Armbruster2019-08-211-1/+1
| |/ | | | | | | | | | | | | | | | | | | Suggested-by: Daniel P. Berrangé <berrange@redhat.com> Signed-off-by: Markus Armbruster <armbru@redhat.com> Message-Id: <20190709152053.16670-2-armbru@redhat.com> Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com> Tested-by: Philippe Mathieu-Daudé <philmd@redhat.com> [Rebased onto merge commit 95a9457fd44; missed instances of qom/cpu.h in comments replaced]
* | audio: add audiodev property to vnc and wav_captureKővágó, Zoltán2019-08-212-1/+16
| | | | | | | | | | | | Signed-off-by: Kővágó, Zoltán <DirtY.iCE.hu@gmail.com> Message-id: 8cbc9e865bbf40850c14340fc0549e6ac2d5fe9c.1566168923.git.DirtY.iCE.hu@gmail.com Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
* | audio: basic support for multi backend audioKővágó, Zoltán2019-08-211-1/+1
|/ | | | | | | | | | | | | Audio functions no longer access glob_audio_state, instead they get an AudioState as a parameter. This is required in order to support multiple backends. glob_audio_state is also gone, and replaced with a tailq so we can store more than one states. Signed-off-by: Kővágó, Zoltán <DirtY.iCE.hu@gmail.com> Message-id: 67aef54f9e729a7160fe95c465351115e392164b.1566168923.git.DirtY.iCE.hu@gmail.com Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
* sysemu: Split sysemu/runstate.h off sysemu/sysemu.hMarkus Armbruster2019-08-165-1/+5
| | | | | | | | | | | | | | | | | | | | | | | | | | | | sysemu/sysemu.h is a rather unfocused dumping ground for stuff related to the system-emulator. Evidence: * It's included widely: in my "build everything" tree, changing sysemu/sysemu.h still triggers a recompile of some 1100 out of 6600 objects (not counting tests and objects that don't depend on qemu/osdep.h, down from 5400 due to the previous two commits). * It pulls in more than a dozen additional headers. Split stuff related to run state management into its own header sysemu/runstate.h. Touching sysemu/sysemu.h now recompiles some 850 objects. qemu/uuid.h also drops from 1100 to 850, and qapi/qapi-types-run-state.h from 4400 to 4200. Touching new sysemu/runstate.h recompiles some 500 objects. Since I'm touching MAINTAINERS to add sysemu/runstate.h anyway, also add qemu/main-loop.h. Suggested-by: Paolo Bonzini <pbonzini@redhat.com> Signed-off-by: Markus Armbruster <armbru@redhat.com> Message-Id: <20190812052359.30071-30-armbru@redhat.com> Reviewed-by: Alex Bennée <alex.bennee@linaro.org> [Unbreak OS-X build]
* Clean up inclusion of sysemu/sysemu.hMarkus Armbruster2019-08-168-8/+0Star
| | | | | | | | | | | | | | | | | | | | | | In my "build everything" tree, changing sysemu/sysemu.h triggers a recompile of some 5400 out of 6600 objects (not counting tests and objects that don't depend on qemu/osdep.h). Almost a third of its inclusions are actually superfluous. Delete them. Downgrade two more to qapi/qapi-types-run-state.h, and move one from char/serial.h to char/serial.c. hw/semihosting/config.c, monitor/monitor.c, qdev-monitor.c, and stubs/semihost.c define variables declared in sysemu/sysemu.h without including it. The compiler is cool with that, but include it anyway. This doesn't reduce actual use much, as it's still included into widely included headers. The next commit will tackle that. Signed-off-by: Markus Armbruster <armbru@redhat.com> Reviewed-by: Alistair Francis <alistair.francis@wdc.com> Message-Id: <20190812052359.30071-27-armbru@redhat.com> Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
* Include qemu/main-loop.h lessMarkus Armbruster2019-08-166-1/+5
| | | | | | | | | | | | | | | | | | | | In my "build everything" tree, changing qemu/main-loop.h triggers a recompile of some 5600 out of 6600 objects (not counting tests and objects that don't depend on qemu/osdep.h). It includes block/aio.h, which in turn includes qemu/event_notifier.h, qemu/notify.h, qemu/processor.h, qemu/qsp.h, qemu/queue.h, qemu/thread-posix.h, qemu/thread.h, qemu/timer.h, and a few more. Include qemu/main-loop.h only where it's needed. Touching it now recompiles only some 1700 objects. For block/aio.h and qemu/event_notifier.h, these numbers drop from 5600 to 2800. For the others, they shrink only slightly. Signed-off-by: Markus Armbruster <armbru@redhat.com> Message-Id: <20190812052359.30071-21-armbru@redhat.com> Reviewed-by: Alex Bennée <alex.bennee@linaro.org> Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com> Tested-by: Philippe Mathieu-Daudé <philmd@redhat.com>
* Include qemu/queue.h slightly lessMarkus Armbruster2019-08-161-1/+0Star
| | | | | | | Signed-off-by: Markus Armbruster <armbru@redhat.com> Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com> Tested-by: Philippe Mathieu-Daudé <philmd@redhat.com> Message-Id: <20190812052359.30071-20-armbru@redhat.com>
* Include hw/hw.h exactly where neededMarkus Armbruster2019-08-161-1/+0Star
| | | | | | | | | | | | | | | | In my "build everything" tree, changing hw/hw.h triggers a recompile of some 2600 out of 6600 objects (not counting tests and objects that don't depend on qemu/osdep.h). The previous commits have left only the declaration of hw_error() in hw/hw.h. This permits dropping most of its inclusions. Touching it now recompiles less than 200 objects. Signed-off-by: Markus Armbruster <armbru@redhat.com> Reviewed-by: Alistair Francis <alistair.francis@wdc.com> Message-Id: <20190812052359.30071-19-armbru@redhat.com> Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com> Tested-by: Philippe Mathieu-Daudé <philmd@redhat.com>
* trace: Do not include qom/cpu.h into generated trace.hMarkus Armbruster2019-08-161-0/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | docs/devel/tracing.txt explains "since many source files include trace.h, [the generated trace.h use] a minimum of types and other header files included to keep the namespace clean and compile times and dependencies down." Commit 4815185902 "trace: Add per-vCPU tracing states for events with the 'vcpu' property" made them all include qom/cpu.h via control-internal.h. qom/cpu.h in turn includes about thirty headers. Ouch. Per-vCPU tracing is currently not supported in sub-directories' trace-events. In other words, qom/cpu.h can only be used in trace-root.h, not in any trace.h. Split trace/control-vcpu.h off trace/control.h and trace/control-internal.h. Have the generated trace.h include trace/control.h (which no longer includes qom/cpu.h), and trace-root.h include trace/control-vcpu.h (which includes it). The resulting improvement is a bit disappointing: in my "build everything" tree, some 1100 out of 6600 objects (not counting tests and objects that don't depend on qemu/osdep.h) depend on a trace.h, and about 600 of them no longer depend on qom/cpu.h. But more than 1300 others depend on trace-root.h. More work is clearly needed. Left for another day. Cc: Stefan Hajnoczi <stefanha@redhat.com> Signed-off-by: Markus Armbruster <armbru@redhat.com> Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com> Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com> Tested-by: Philippe Mathieu-Daudé <philmd@redhat.com> Message-Id: <20190812052359.30071-8-armbru@redhat.com>
* Include generated QAPI headers lessMarkus Armbruster2019-08-161-1/+0Star
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Some of the generated qapi-types-MODULE.h are included all over the place. Changing a QAPI type can trigger massive recompiling. Top scorers recompile more than 1000 out of some 6600 objects (not counting tests and objects that don't depend on qemu/osdep.h): 6300 qapi/qapi-builtin-types.h 5700 qapi/qapi-types-run-state.h 3900 qapi/qapi-types-common.h 3300 qapi/qapi-types-sockets.h 3000 qapi/qapi-types-misc.h 3000 qapi/qapi-types-crypto.h 3000 qapi/qapi-types-job.h 3000 qapi/qapi-types-block-core.h 2800 qapi/qapi-types-block.h 1300 qapi/qapi-types-net.h Clean up headers to include generated QAPI headers only where needed. Impact is negligible except for hw/qdev-properties.h. This header includes qapi/qapi-types-block.h and qapi/qapi-types-misc.h. They are used only in expansions of property definition macros such as DEFINE_PROP_BLOCKDEV_ON_ERROR() and DEFINE_PROP_OFF_AUTO(). Moving their inclusion from hw/qdev-properties.h to the users of these macros avoids pointless recompiles. This is how other property definition macros, such as DEFINE_PROP_NETDEV(), already work. Improves things for some of the top scorers: 3600 qapi/qapi-types-common.h 2800 qapi/qapi-types-sockets.h 900 qapi/qapi-types-misc.h 2200 qapi/qapi-types-crypto.h 2100 qapi/qapi-types-job.h 2100 qapi/qapi-types-block-core.h 270 qapi/qapi-types-block.h Signed-off-by: Markus Armbruster <armbru@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com> Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com> Tested-by: Philippe Mathieu-Daudé <philmd@redhat.com> Message-Id: <20190812052359.30071-3-armbru@redhat.com>
generated by cgit v1.2.3-55-g7522 (git 2.39.0) at 2024-12-22 13:03:04 +0100