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2016-10-28Merge remote-tracking branch 'remotes/kraxel/tags/pull-ui-20161028-1' into ↵Peter Maydell
staging braille fixes and improvements. curses fix, switch to cursesw. gtk bugfixes. # gpg: Signature made Fri 28 Oct 2016 13:05:12 BST # gpg: using RSA key 0x4CB6D8EED3E87138 # gpg: Good signature from "Gerd Hoffmann (work) <kraxel@redhat.com>" # gpg: aka "Gerd Hoffmann <gerd@kraxel.org>" # gpg: aka "Gerd Hoffmann (private) <kraxel@gmail.com>" # Primary key fingerprint: A032 8CFF B93A 17A7 9901 FE7D 4CB6 D8EE D3E8 7138 * remotes/kraxel/tags/pull-ui-20161028-1: curses: Use cursesw instead of curses curses: fix left/right arrow translation ui/gtk: Fix non-working DELETE key gtk: fix compilation warning with gtk 3.22.2 Defer BrlAPI tty acquisition to when guest starts using device Add dots keypresses support to the baum braille device Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2016-10-28Merge remote-tracking branch 'remotes/berrange/tags/pull-qio-2016-10-27-1' ↵Peter Maydell
into staging Merge qio 2016/10/27 v1 # gpg: Signature made Thu 27 Oct 2016 13:54:03 BST # gpg: using RSA key 0xBE86EBB415104FDF # gpg: Good signature from "Daniel P. Berrange <dan@berrange.com>" # gpg: aka "Daniel P. Berrange <berrange@redhat.com>" # Primary key fingerprint: DAF3 A6FD B26B 6291 2D0E 8E3F BE86 EBB4 1510 4FDF * remotes/berrange/tags/pull-qio-2016-10-27-1: main: set names for main loop sources created vnc: set name for all I/O channels created migration: set name for all I/O channels created char: set name for all I/O channels created nbd: set name for all I/O channels created io: add ability to set a name for IO channels io: Add a QIOChannelSocket cleanup test io: set LISTEN flag explicitly for listen sockets io: Introduce a qio_channel_set_feature() helper io: Use qio_channel_has_feature() where applicable io: Fix double shift usages on QIOChannel features Conflicts: qemu-char.c Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2016-10-28curses: fix left/right arrow translationSamuel Thibault
In default VGA font, left/right arrow are glyphs 0x1a and 0x1b, not 0x0a and 0x0b. Signed-off-by: Samuel Thibault <samuel.thibault@ens-lyon.org> Message-id: 20161015195308.20473-2-samuel.thibault@ens-lyon.org Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2016-10-28ui/gtk: Fix non-working DELETE keyThomas Huth
GTK generates key events for the delete key with key->string[0] = 0x7f ... but this does not work right with the readline_handle_byte() function in util/readline.c, since this treats the keycode 127 as backspace. So let's add a special case for the GTK delete key to make this key behave right in the monitor interface of the GTK ui. Buglink: https://bugs.launchpad.net/qemu/+bug/1619438 Signed-off-by: Thomas Huth <thuth@redhat.com> Message-id: 1477570647-7100-1-git-send-email-thuth@redhat.com Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2016-10-28gtk: fix compilation warning with gtk 3.22.2Alberto Garcia
gdk_screen_get_width() is deprecated since gtk 3.22.2, use gdk_monitor_get_geometry() instead if it's available. Signed-off-by: Alberto Garcia <berto@igalia.com> Message-id: 20161026152108.12364-1-berto@igalia.com Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2016-10-27vnc: set name for all I/O channels createdDaniel P. Berrange
Ensure that all I/O channels created for VNC are given names to distinguish their respective roles. Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com> Signed-off-by: Daniel P. Berrange <berrange@redhat.com>
2016-10-24char: remove explicit_be_open from CharDriverStateMarc-André Lureau
It's only used in qmp_chardev_add(), so use a create() argument instead. Also switched to typedef functions for CharDriverParse/CharDriverCreate. Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com> Message-Id: <20161022100951.19562-7-marcandre.lureau@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2016-10-24char: move front end handlers in CharBackendMarc-André Lureau
Since the hanlders are associated with a CharBackend, rather than the CharDriverState, it is more appropriate to store in CharBackend. This avoids the handler copy dance in qemu_chr_fe_set_handlers() then mux_chr_update_read_handler(), by storing the CharBackend pointer directly. Also a mux CharDriver should go through mux->backends[focused], since chr->be will stay NULL. Before that, it was possible to call chr->handler by mistake with surprising results, for ex through qemu_chr_be_can_write(), which would result in calling the last set handler front end, not the one with focus. Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com> Message-Id: <20161022095318.17775-22-marcandre.lureau@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2016-10-24char: remove init callbackMarc-André Lureau
The CharDriverState.init() callback is no longer set since commit a61ae7f88ce and thus unused. The only user, the malta FGPA display has been converted to use an event "opened" callback instead. Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com> Message-Id: <20161022095318.17775-7-marcandre.lureau@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2016-10-19crypto: extend mode as a parameter in qcrypto_cipher_supports()Gonglei
It can't guarantee all cipher modes are supported if one cipher algorithm is supported by a backend. Let's extend qcrypto_cipher_supports() to take both the algorithm and mode as parameters. Signed-off-by: Gonglei <arei.gonglei@huawei.com> Signed-off-by: Daniel P. Berrange <berrange@redhat.com>
2016-10-13input-linux: initialize key stateGerd Hoffmann
Query input device keys, initialize state accordingly, so the correct state is reflected in case any key is pressed at initialization time. There is a high chance for this to actually happen for the 'enter' key in case you start qemu with a terminal command (directly or virsh). When finding any pressed keys the input grab is delayed until all keys are lifted, to avoid confusing guest and host with appearently stuck keys. Reported-by: Muted Bytes <mutedbytes@gmail.com> Signed-off-by: Gerd Hoffmann <kraxel@redhat.com> Message-id: 1476277384-30365-1-git-send-email-kraxel@redhat.com
2016-10-13ui: rename vnc_init_state to vnc_start_protocolDaniel P. Berrange
Rename the vnc_init_state method to reflect what its actual purpose is, to discourage future devs from using it for more general state initialization. Signed-off-by: Daniel P. Berrange <berrange@redhat.com> Message-id: 1475163940-26094-10-git-send-email-berrange@redhat.com Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2016-10-13ui: move some initialization out of vnc_init_stateDaniel P. Berrange
Most of the fields in VncState are initialized in the vnc_connect() method, but some are done in vnc_init_state() instead. The purpose of having vnc_init_state() is to delay starting of the VNC wire protocol until after the websockets handshake has completed. As such the vnc_init_state() method only needs to be used for initialization that is dependant on the wire protocol running. This also lets us get rid of the initialized boolean flag from the VncState struct. Signed-off-by: Daniel P. Berrange <berrange@redhat.com> Message-id: 1475163940-26094-9-git-send-email-berrange@redhat.com Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2016-10-13ui: remove bogus call to reset_keys() in vnc_init_stateDaniel P. Berrange
The vnc_init_state method calls reset_keys() to reset the modifier key state. This was originally added in commit 53762ddb277c690e486d0e17b10591774248c8cf Author: malc <malc@c046a42c-6fe2-441c-8c8c-71466251a162> Date: Mon Dec 1 20:57:52 2008 +0000 Reset the key modifiers upon client connect This was valid at this time because there was only the single VncState object which was persistent across client connections and so needed resetting. The persistent data was later split off into VncDisplay and VncState was allocated at time of client connection: commit 753b4053311ff1437d99726970b1e7e6bf38249b Author: aliguori <aliguori@c046a42c-6fe2-441c-8c8c-71466251a162> Date: Mon Feb 16 14:59:30 2009 +0000 Support multiple VNC clients (Brian Kress) at which point the modifier state is always 0 due to use of g_new0. As such the reset_keys() call has been a no-op ever since. Signed-off-by: Daniel P. Berrange <berrange@redhat.com> Message-id: 1475163940-26094-8-git-send-email-berrange@redhat.com Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2016-10-13ui: remove bogus call to graphic_hw_update() in vnc_listen_ioDaniel P. Berrange
Just before accepting a new client connection the vnc_listen_io method calls graphic_hw_update(). This is bogus because there is a call to this method already in vnc_state_init() and the client doesn't need up2date graphics console before reaching that. Signed-off-by: Daniel P. Berrange <berrange@redhat.com> Message-id: 1475163940-26094-7-git-send-email-berrange@redhat.com Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2016-10-13ui: refactor method for setting up VncDisplay auth typesDaniel P. Berrange
There is a lot of repeated code in the auth type setup method, particularly around checking TLS credential types. Refactor it to reduce duplication and instead of having one method do both plain and websockets at once, call it separately for each. Signed-off-by: Daniel P. Berrange <berrange@redhat.com> Message-id: 1475163940-26094-6-git-send-email-berrange@redhat.com Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2016-10-13ui: rename misleading 'VncDisplay' variablesDaniel P. Berrange
Normally code declares 'VncDisplay *vd' or 'VncState *vs' but there are a bunch of places which misleadingly declare 'VncDisplay *vs'. Signed-off-by: Daniel P. Berrange <berrange@redhat.com> Message-id: 1475163940-26094-5-git-send-email-berrange@redhat.com Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2016-10-13ui: remove 'ws_tls' field from VncStateDaniel P. Berrange
The 'ws_tls' field in VncState is only ever representing the result of 'tlscreds != NULL' and is thus pointless. Replace use of 'ws_tls' with a direct check against 'tlscreds' Signed-off-by: Daniel P. Berrange <berrange@redhat.com> Message-id: 1475163940-26094-4-git-send-email-berrange@redhat.com Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2016-10-13ui: remove 'enabled' and 'ws_enabled' fields from VncStateDaniel P. Berrange
The 'ws_enabled' field is never used outside of the vnc_display_open method, so can be a local variable. The 'enabled' field is easily replaced by a check for whether 'lsock' is non-NULL. Signed-off-by: Daniel P. Berrange <berrange@redhat.com> Message-id: 1475163940-26094-3-git-send-email-berrange@redhat.com Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2016-10-13ui: remove misleading comment from vnc_init_stateDaniel P. Berrange
The last line in vnc_init_state() says /* vs might be free()ed here */ This was added in commit 198a0039c5fca224a77e9761e2350dd9cc102ad0 Author: Gerd Hoffmann <kraxel@redhat.com> Date: Tue Jun 16 14:19:48 2009 +0200 vnc: rework VncState release workflow. because the preceeding 'vnc_update_client()' could indeed release the VncState instance. The call to vnc_update_client() was removed not long after though in commit 1fc624122fb923c7fc4c1f426541d953e7df13c9 Author: Stefano Stabellini <stefano.stabellini@eu.citrix.com> Date: Mon Aug 3 10:54:32 2009 +0100 single vnc server surface and so the comment has been wrong ever since Signed-off-by: Daniel P. Berrange <berrange@redhat.com> Message-id: 1475163940-26094-2-git-send-email-berrange@redhat.com Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2016-10-07qemu-doc: merge qemu-tech and qemu-docPaolo Bonzini
Merge what is left of qemu-tech into the main manual as an appendix. Ultimately we should have a new internals manual built from docs/, and then the "Translator Internals" parts of qemu-tech could move to docs/ as well. The bits on limitation and features of CPU emulation should remain in qemu-doc. Reviewed-by: Emilio G. Cota <cota@braap.org> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2016-09-28ui/vnc-enc-tight: remove switch and have single returnAlex Bennée
When enabling the sanitizer build it will complain about control reaching a non-void function. Normally the compiler should detect that there is only one possible exit given a static VNC_SERVER_FB_BYTES. As we always expect a static VNC_SERVER_FB_BYTES I've added a compile time assert and just called the sub-function directly. Signed-off-by: Alex Bennée <alex.bennee@linaro.org> Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com> Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2016-09-28spice/gl: render DisplaySurface via openglGerd Hoffmann
This switches over spice (in opengl mode) to render DisplaySurface updates into a opengl texture, using the helper functions in ui/console-gl.c. With this patch applied spice (with gl=on) will stop using qxl rendering ops, it will use dma-buf passing all the time, i.e. for bios/bootloader (before virtio-gpu driver is loaded) too. This should improve performance even using spice (with gl=on) with non-accelerated stdvga because we stop squeezing all display updates through a unix/tcp socket and basically using a shared memory transport instead. Signed-off-by: Gerd Hoffmann <kraxel@redhat.com> Message-id: 1474617028-3979-3-git-send-email-kraxel@redhat.com
2016-09-28console: track gl_block state in QemuConsoleGerd Hoffmann
Keep track of gl_block state (added in bba19b8 console: block rendering until client is done) in QemuConsole and allow to query it. This way we can avoid state inconsistencies in case different code paths make use of this. Signed-off-by: Gerd Hoffmann <kraxel@redhat.com> Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com> Message-id: 1474617028-3979-2-git-send-email-kraxel@redhat.com
2016-09-28console: skip same-size resizeMarc-André Lureau
virtio-gpu does a set-scanout at each frame (it might be a driver regression). qemu_console_resize() recreate a surface even if the size didn't change, and this shows up in profiling reports because the surface is cleared. With this patch, I get a +15-20% glmark2 improvement. Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com> Message-id: 20160826094711.14470-1-marcandre.lureau@redhat.com Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2016-09-23Merge remote-tracking branch 'remotes/kevin/tags/for-upstream' into stagingPeter Maydell
Block layer patches # gpg: Signature made Fri 23 Sep 2016 12:59:46 BST # gpg: using RSA key 0x7F09B272C88F2FD6 # gpg: Good signature from "Kevin Wolf <kwolf@redhat.com>" # Primary key fingerprint: DC3D EB15 9A9A F95D 3D74 56FE 7F09 B272 C88F 2FD6 * remotes/kevin/tags/for-upstream: (33 commits) block: Remove BB interface from blockdev-add/del qemu-iotests/141: Avoid blockdev-add with id block: Avoid printing NULL string in error messages qemu-iotests/139: Avoid blockdev-add with id qemu-iotests/124: Avoid blockdev-add with id qemu-iotests/118: Avoid blockdev-add with id qemu-iotests/117: Avoid blockdev-add with id qemu-iotests/087: Avoid blockdev-add with id qemu-iotests/081: Avoid blockdev-add with id qemu-iotests/071: Avoid blockdev-add with id qemu-iotests/067: Avoid blockdev-add with id qemu-iotests/041: Avoid blockdev-add with id qemu-iotests/118: Test media change with qdev name block: Accept device model name for block_set_io_throttle block: Accept device model name for blockdev-change-medium block: Accept device model name for eject block: Accept device model name for x-blockdev-remove-medium block: Accept device model name for x-blockdev-insert-medium block: Accept device model name for blockdev-open/close-tray qdev-monitor: Add blk_by_qdev_id() ... Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2016-09-23block: Accept device model name for blockdev-change-mediumKevin Wolf
In order to remove the need for BlockBackend names in the external API, we want to allow qdev device names in all device related commands. This converts blockdev-change-medium to accept a qdev device name. Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2016-09-23block: Accept device model name for ejectKevin Wolf
In order to remove the need for BlockBackend names in the external API, we want to allow qdev device names in all device related commands. This converts eject to accept a qdev device name. Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2016-09-23vl: Switch qemu_uuid to QemuUUIDFam Zheng
Update all qemu_uuid users as well, especially get rid of the duplicated low level g_strdup_printf, sscanf and snprintf calls with QEMU UUID API. Since qemu_uuid_parse is quite tangled with qemu_uuid, its switching to QemuUUID is done here too to keep everything in sync and avoid code churn. Signed-off-by: Fam Zheng <famz@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com> Reviewed-by: Jeff Cody <jcody@redhat.com> Message-Id: <1474432046-325-10-git-send-email-famz@redhat.com>
2016-09-15ui/console: Fix non-working backspace key in monitor of gtk UIThomas Huth
In the QEMU monitor pane of the gtk user interface, the backspace key is not working at all. This happens because of a missing mapping of the key in the qcode_to_keysym[] table. Thus let's add an entry there to get the backspace key working again. Buglink: https://bugs.launchpad.net/qemu/+bug/1611979 Signed-off-by: Thomas Huth <thuth@redhat.com> Reviewed-by: Gerd Hoffmann <kraxel@redhat.com> Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
2016-09-15ui/cocoa.m: Make a better about dialogProgrammingkid
The about dialog in QEMU on Mac OS X is very plain and unhelpful. This patch makes the about dialog look a lot better and have some descriptive information on what version of QEMU the user is running. Signed-off-by: John Arbuckle <programmingkidx@gmail.com> Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Message-id: ED59936E-3EB2-46AB-9E33-AB26E382B884@gmail.com Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2016-09-13vnc: fix qemu crash because of SIGSEGVGonglei
The backtrace is: 0x00007f0b75cdf880 in pixman_image_get_stride () from /lib64/libpixman-1.so.0 0x00007f0b77bcb3cf in vnc_server_fb_stride (vd=0x7f0b7a1a2bb0) at ui/vnc.c:680 vnc_dpy_copy (dcl=0x7f0b7a1a2c00, src_x=224, src_y=263, dst_x=319, dst_y=363, w=1, h=1) at ui/vnc.c:915 0x00007f0b77bbcc35 in dpy_gfx_copy (con=0x7f0b7a146210, src_x=src_x@entry=224, src_y=src_y@entry=263, dst_x=dst_x@entry=319, dst_y=dst_y@entry=363, w=1, h=1) at ui/console.c:1575 0x00007f0b77bbda4e in qemu_console_copy (con=<optimized out>, src_x=src_x@entry=224, src_y=src_y@entry=263, dst_x=dst_x@entry=319, dst_y=dst_y@entry=363, w=<optimized out>, h=<optimized out>) at ui/console.c:2111 0x00007f0b77ac0980 in cirrus_do_copy (h=<optimized out>, w=<optimized out>, src=<optimized out>, dst=<optimized out>, s=0x7f0b7b086090) at hw/display/cirrus_vga.c:774 cirrus_bitblt_videotovideo_copy (s=0x7f0b7b086090) at hw/display/cirrus_vga.c:793 cirrus_bitblt_videotovideo (s=0x7f0b7b086090) at hw/display/cirrus_vga.c:915 cirrus_bitblt_start (s=0x7f0b7b086090) at hw/display/cirrus_vga.c:1056 0x00007f0b77965cfb in memory_region_write_accessor (mr=0x7f0b7b096e40, addr=320, value=<optimized out>, size=1, shift=<optimized out>,mask=<optimized out>, attrs=...) at /root/rpmbuild/BUILD/master/qemu/memory.c:525 0x00007f0b77963f59 in access_with_adjusted_size (addr=addr@entry=320, value=value@entry=0x7f0b69a268d8, size=size@entry=4, access_size_min=<optimized out>, access_size_max=<optimized out>, access=access@entry=0x7f0b77965c80 <memory_region_write_accessor>, mr=mr@entry=0x7f0b7b096e40, attrs=attrs@entry=...) at /root/rpmbuild/BUILD/master/qemu/memory.c:591 0x00007f0b77968315 in memory_region_dispatch_write (mr=mr@entry=0x7f0b7b096e40, addr=addr@entry=320, data=18446744073709551362, size=size@entry=4, attrs=attrs@entry=...) at /root/rpmbuild/BUILD/master/qemu/memory.c:1262 0x00007f0b779256a9 in address_space_write_continue (mr=0x7f0b7b096e40, l=4, addr1=320, len=4, buf=0x7f0b77713028 "\002\377\377\377", attrs=..., addr=4273930560, as=0x7f0b7827d280 <address_space_memory>) at /root/rpmbuild/BUILD/master/qemu/exec.c:2544 address_space_write (as=<optimized out>, addr=<optimized out>, attrs=..., buf=<optimized out>, len=<optimized out>) at /root/rpmbuild/BUILD/master/qemu/exec.c:2601 0x00007f0b77925c1d in address_space_rw (as=<optimized out>, addr=<optimized out>, attrs=..., attrs@entry=..., buf=buf@entry=0x7f0b77713028 "\002\377\377\377", len=<optimized out>, is_write=<optimized out>) at /root/rpmbuild/BUILD/master/qemu/exec.c:2703 0x00007f0b77962f53 in kvm_cpu_exec (cpu=cpu@entry=0x7f0b79fcc2d0) at /root/rpmbuild/BUILD/master/qemu/kvm-all.c:1965 0x00007f0b77950cc6 in qemu_kvm_cpu_thread_fn (arg=0x7f0b79fcc2d0) at /root/rpmbuild/BUILD/master/qemu/cpus.c:1078 0x00007f0b744b3dc5 in start_thread (arg=0x7f0b69a27700) at pthread_create.c:308 0x00007f0b70d3d66d in clone () from /lib64/libc.so.6 The code path while meeting segfault: vnc_dpy_copy vnc_update_client vnc_disconnect_finish [while vnc_disconnect_start() is invoked because somethins wrong] vnc_update_server_surface vd->server = NULL; vnc_server_fb_stride pixman_image_get_stride(vd->server) Let's add a non-NULL check before calling vnc_server_fb_stride() to avoid segmentation fault. Cc: Gerd Hoffmann <kraxel@redhat.com> Cc: Daniel P. Berrange <berrange@redhat.com> Reported-by: Yanying Zhuang <ann.zhuangyanying@huawei.com> Signed-off-by: Gonglei <arei.gonglei@huawei.com> Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com> Message-id: 1472788698-120964-1-git-send-email-arei.gonglei@huawei.com Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2016-09-13ui/curses.c: Clean up nextchr logicPeter Maydell
Coverity identifies that at the top of the while(1) loop in curses_refresh() the variable nextchr is always ERR, and so the else case of the first if() is dead code. Remove this dead code, and narrow the scope of the nextchr variable to the place where it's used. (This confused logic has been present since the curses code was added to QEMU in 2008.) Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Message-id: 1470925407-23850-3-git-send-email-peter.maydell@linaro.org Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2016-09-13ui/curses.c: Ensure we don't read off the end of curses2qemu arrayPeter Maydell
Coverity spots that there is no bounds check before we access the curses2qemu[] array. Add one, bringing this code path into line with the one that looks up entries in curses2keysym[]. In theory getch() shouldn't return out of range keycodes, but it's better not to assume this. Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Message-id: 1470925407-23850-2-git-send-email-peter.maydell@linaro.org Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2016-08-30ui: fix refresh of VNC server surfaceDaniel P. Berrange
In previous commit commit c7628bff4138ce906a3620d12e0820c1cf6c140d Author: Gerd Hoffmann <kraxel@redhat.com> Date: Fri Oct 30 12:10:09 2015 +0100 vnc: only alloc server surface with clients connected the VNC server was changed so that the 'vd->server' pixman image was only allocated when a client is connected. Since then if a client disconnects and then reconnects to the VNC server all they will see is a black screen until they do something that triggers a refresh. On a graphical desktop this is not often noticed since there's many things going on which cause a refresh. On a plain text console it is really obvious since nothing refreshes frequently. The problem is that the VNC server didn't update the guest dirty bitmap, so still believes its server image is in sync with the guest contents. To fix this we must explicitly mark the entire guest desktop as dirty after re-creating the server surface. Move this logic into vnc_update_server_surface() so it is guaranteed to be call in all code paths that re-create the surface instead of only in vnc_dpy_switch() Signed-off-by: Daniel P. Berrange <berrange@redhat.com> Reviewed-by: Peter Lieven <pl@kamp.de> Tested-by: Peter Lieven <pl@kamp.de> Message-id: 1471365032-18096-1-git-send-email-berrange@redhat.com Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2016-08-12trace-events: fix first line comment in trace-eventsLaurent Vivier
Documentation is docs/tracing.txt instead of docs/trace-events.txt. find . -name trace-events -exec \ sed -i "s?See docs/trace-events.txt for syntax documentation.?See docs/tracing.txt for syntax documentation.?" \ {} \; Signed-off-by: Laurent Vivier <lvivier@redhat.com> Message-id: 1470669081-17860-1-git-send-email-lvivier@redhat.com Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2016-08-08error: Fix error_printf() calls lacking newlinesMarkus Armbruster
Signed-off-by: Markus Armbruster <armbru@redhat.com> Message-Id: <1470224274-31522-5-git-send-email-armbru@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com>
2016-08-03vnc: ensure connection sharing/limits is always configuredDaniel P. Berrange
The connection sharing / limits are only set in the vnc_display_open() method and so missed when VNC is running with '-vnc none'. This in turn prevents clients being added to the VNC server with the QMP "add_client" command. This was introduced in commit e5f34cdd2da54f28d90889a3afd15fad2d6105ff Author: Gerd Hoffmann <kraxel@redhat.com> Date: Thu Oct 2 12:09:34 2014 +0200 vnc: track & limit connections Signed-off-by: Daniel P. Berrange <berrange@redhat.com> Message-id: 1470134726-15697-4-git-send-email-berrange@redhat.com Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2016-08-03vnc: fix crash when vnc_server_info_get has an errorDaniel P. Berrange
The vnc_server_info_get will allocate the VncServerInfo struct and then call vnc_init_basic_info_from_server_addr to populate the basic fields. If this returns an error though, the qapi_free_VncServerInfo call will then crash because the VncServerInfo struct instance was not properly NULL-initialized and thus contains random stack garbage. #0 0x00007f1987c8e6f5 in raise () at /lib64/libc.so.6 #1 0x00007f1987c902fa in abort () at /lib64/libc.so.6 #2 0x00007f1987ccf600 in __libc_message () at /lib64/libc.so.6 #3 0x00007f1987cd7d4a in _int_free () at /lib64/libc.so.6 #4 0x00007f1987cdb2ac in free () at /lib64/libc.so.6 #5 0x00007f198b654f6e in g_free () at /lib64/libglib-2.0.so.0 #6 0x0000559193cdcf54 in visit_type_str (v=v@entry= 0x5591972f14b0, name=name@entry=0x559193de1e29 "host", obj=obj@entry=0x5591961dbfa0, errp=errp@entry=0x7fffd7899d80) at qapi/qapi-visit-core.c:255 #7 0x0000559193cca8f3 in visit_type_VncBasicInfo_members (v=v@entry= 0x5591972f14b0, obj=obj@entry=0x5591961dbfa0, errp=errp@entry=0x7fffd7899dc0) at qapi-visit.c:12307 #8 0x0000559193ccb523 in visit_type_VncServerInfo_members (v=v@entry= 0x5591972f14b0, obj=0x5591961dbfa0, errp=errp@entry=0x7fffd7899e00) at qapi-visit.c:12632 #9 0x0000559193ccb60b in visit_type_VncServerInfo (v=v@entry= 0x5591972f14b0, name=name@entry=0x0, obj=obj@entry=0x7fffd7899e48, errp=errp@entry=0x0) at qapi-visit.c:12658 #10 0x0000559193cb53d8 in qapi_free_VncServerInfo (obj=<optimized out>) at qapi-types.c:3970 #11 0x0000559193c1e6ba in vnc_server_info_get (vd=0x7f1951498010) at ui/vnc.c:233 #12 0x0000559193c24275 in vnc_connect (vs=0x559197b2f200, vs=0x559197b2f200, event=QAPI_EVENT_VNC_CONNECTED) at ui/vnc.c:284 #13 0x0000559193c24275 in vnc_connect (vd=vd@entry=0x7f1951498010, sioc=sioc@entry=0x559196bf9c00, skipauth=skipauth@entry=tru e, websocket=websocket@entry=false) at ui/vnc.c:3039 #14 0x0000559193c25806 in vnc_display_add_client (id=<optimized out>, csock=<optimized out>, skipauth=<optimized out>) at ui/vnc.c:3877 #15 0x0000559193a90c28 in qmp_marshal_add_client (args=<optimized out>, ret=<optimized out>, errp=0x7fffd7899f90) at qmp-marshal.c:105 #16 0x000055919399c2b7 in handle_qmp_command (parser=<optimized out>, tokens=<optimized out>) at /home/berrange/src/virt/qemu/monitor.c:3971 #17 0x0000559193ce3307 in json_message_process_token (lexer=0x559194ab0838, input=0x559194a6d940, type=JSON_RCURLY, x=111, y=1 2) at qobject/json-streamer.c:105 #18 0x0000559193cfa90d in json_lexer_feed_char (lexer=lexer@entry=0x559194ab0838, ch=125 '}', flush=flush@entry=false) at qobject/json-lexer.c:319 #19 0x0000559193cfaa1e in json_lexer_feed (lexer=0x559194ab0838, buffer=<optimized out>, size=<optimized out>) at qobject/json-lexer.c:369 #20 0x0000559193ce33c9 in json_message_parser_feed (parser=<optimized out>, buffer=<optimized out>, size=<optimized out>) at qobject/json-streamer.c:124 #21 0x000055919399a85b in monitor_qmp_read (opaque=<optimized out>, buf=<optimized out>, size=<optimized out>) at /home/berrange/src/virt/qemu/monitor.c:3987 #22 0x0000559193a87d00 in tcp_chr_read (chan=<optimized out>, cond=<optimized out>, opaque=0x559194a7d900) at qemu-char.c:2895 #23 0x00007f198b64f703 in g_main_context_dispatch () at /lib64/libglib-2.0.so.0 #24 0x0000559193c484b3 in main_loop_wait () at main-loop.c:213 #25 0x0000559193c484b3 in main_loop_wait (timeout=<optimized out>) at main-loop.c:258 #26 0x0000559193c484b3 in main_loop_wait (nonblocking=<optimized out>) at main-loop.c:506 #27 0x0000559193964c55 in main () at vl.c:1908 #28 0x0000559193964c55 in main (argc=<optimized out>, argv=<optimized out>, envp=<optimized out>) at vl.c:4603 This was introduced in commit 98481bfcd661daa3c160cc87a297b0e60a307788 Author: Eric Blake <eblake@redhat.com> Date: Mon Oct 26 16:34:45 2015 -0600 vnc: Hoist allocation of VncBasicInfo to callers which added error reporting for vnc_init_basic_info_from_server_addr but didn't change the g_malloc calls to g_malloc0. Signed-off-by: Daniel P. Berrange <berrange@redhat.com> Message-id: 1470134726-15697-3-git-send-email-berrange@redhat.com Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2016-08-03vnc: don't crash getting server info if lsock is NULLDaniel P. Berrange
When VNC is started with '-vnc none' there will be no listener socket present. When we try to populate the VncServerInfo we'll crash accessing a NULL 'lsock' field. #0 qio_channel_socket_get_local_address (ioc=0x0, errp=errp@entry=0x7ffd5b8aa0f0) at io/channel-socket.c:33 #1 0x00007f4b9a297d6f in vnc_init_basic_info_from_server_addr (errp=0x7ffd5b8aa0f0, info=0x7f4b9d425460, ioc=<optimized out>) at ui/vnc.c:146 #2 vnc_server_info_get (vd=0x7f4b9e858000) at ui/vnc.c:223 #3 0x00007f4b9a29d318 in vnc_qmp_event (vs=0x7f4b9ef82000, vs=0x7f4b9ef82000, event=QAPI_EVENT_VNC_CONNECTED) at ui/vnc.c:279 #4 vnc_connect (vd=vd@entry=0x7f4b9e858000, sioc=sioc@entry=0x7f4b9e8b3a20, skipauth=skipauth@entry=true, websocket=websocket @entry=false) at ui/vnc.c:2994 #5 0x00007f4b9a29e8c8 in vnc_display_add_client (id=<optimized out>, csock=<optimized out>, skipauth=<optimized out>) at ui/v nc.c:3825 #6 0x00007f4b9a18d8a1 in qmp_marshal_add_client (args=<optimized out>, ret=<optimized out>, errp=0x7ffd5b8aa230) at qmp-marsh al.c:123 #7 0x00007f4b9a0b53f5 in handle_qmp_command (parser=<optimized out>, tokens=<optimized out>) at /usr/src/debug/qemu-2.6.0/mon itor.c:3922 #8 0x00007f4b9a348580 in json_message_process_token (lexer=0x7f4b9c78dfe8, input=0x7f4b9c7350e0, type=JSON_RCURLY, x=111, y=5 9) at qobject/json-streamer.c:94 #9 0x00007f4b9a35cfeb in json_lexer_feed_char (lexer=lexer@entry=0x7f4b9c78dfe8, ch=125 '}', flush=flush@entry=false) at qobj ect/json-lexer.c:310 #10 0x00007f4b9a35d0ae in json_lexer_feed (lexer=0x7f4b9c78dfe8, buffer=<optimized out>, size=<optimized out>) at qobject/json -lexer.c:360 #11 0x00007f4b9a348679 in json_message_parser_feed (parser=<optimized out>, buffer=<optimized out>, size=<optimized out>) at q object/json-streamer.c:114 #12 0x00007f4b9a0b3a1b in monitor_qmp_read (opaque=<optimized out>, buf=<optimized out>, size=<optimized out>) at /usr/src/deb ug/qemu-2.6.0/monitor.c:3938 #13 0x00007f4b9a186751 in tcp_chr_read (chan=<optimized out>, cond=<optimized out>, opaque=0x7f4b9c7add40) at qemu-char.c:2895 #14 0x00007f4b92b5c79a in g_main_context_dispatch () from /lib64/libglib-2.0.so.0 #15 0x00007f4b9a2bb0c0 in glib_pollfds_poll () at main-loop.c:213 #16 os_host_main_loop_wait (timeout=<optimized out>) at main-loop.c:258 #17 main_loop_wait (nonblocking=<optimized out>) at main-loop.c:506 #18 0x00007f4b9a0835cf in main_loop () at vl.c:1934 #19 main (argc=<optimized out>, argv=<optimized out>, envp=<optimized out>) at vl.c:4667 Do an upfront check for a NULL lsock and report an error to the caller, which matches behaviour from before commit 04d2529da27db512dcbd5e99d0e26d333f16efcc Author: Daniel P. Berrange <berrange@redhat.com> Date: Fri Feb 27 16:20:57 2015 +0000 ui: convert VNC server to use QIOChannelSocket where getsockname() would be given a FD value -1 and thus report an error to the caller. Signed-off-by: Daniel P. Berrange <berrange@redhat.com> Message-id: 1470134726-15697-2-git-send-email-berrange@redhat.com Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2016-07-15vnc-tight: fix regression with libxenstorePeter Lieven
commit 095497ff added thread local storage for the color counting palette. Unfortunately, a VncPalette is about 7kB on a x86_64 system. This memory is reserved from the stack of every thread and it exhausted the stack space of a libxenstore thread. Fix this by allocating memory only for the VNC encoding thread. Fixes: 095497ffc66b7f031ff2a17f1e50f5cb105ce588 Reported-by: Juergen Gross <jgross@suse.com> Tested-by: Juergen Gross <jgross@suse.com> Signed-off-by: Peter Lieven <pl@kamp.de> Message-id: 1468575911-20656-1-git-send-email-pl@kamp.de Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2016-07-15vnc-enc-tight: fix off-by-one bugHerongguang (Stephen)
In tight_encode_indexed_rect32, buf(or src)’s size is count. In for loop, the logic is supposed to be that i is an index into src, i should be incremented when incrementing src. This is broken when src is incremented but i is not before while loop, resulting in off-by-one bug in while loop. Signed-off-by: He Rongguang <herongguang.he@huawei.com> Message-id: 5784B8EB.7010008@huawei.com Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2016-07-15vnc: make sure we finish disconnectGerd Hoffmann
It may happen that vnc connections linger in disconnecting state forever because VncState happens to be in a state where vnc_update_client() exists early and never reaches the vnc_disconnect_finish() call at the bottom of the function. Fix that by doing an additinal check at the start of the function. https://bugzilla.redhat.com/show_bug.cgi?id=1352799 Signed-off-by: Gerd Hoffmann <kraxel@redhat.com> Message-id: 1468405280-2571-1-git-send-email-kraxel@redhat.com
2016-07-12Clean up decorations and whitespace around header guardsMarkus Armbruster
Cleaned up with scripts/clean-header-guards.pl. Signed-off-by: Markus Armbruster <armbru@redhat.com> Reviewed-by: Richard Henderson <rth@twiddle.net>
2016-07-12Clean up ill-advised or unusual header guardsMarkus Armbruster
Cleaned up with scripts/clean-header-guards.pl. Signed-off-by: Markus Armbruster <armbru@redhat.com> Reviewed-by: Richard Henderson <rth@twiddle.net>
2016-07-12Clean up header guards that don't match their file nameMarkus Armbruster
Header guard symbols should match their file name to make guard collisions less likely. Offenders found with scripts/clean-header-guards.pl -vn. Cleaned up with scripts/clean-header-guards.pl, followed by some renaming of new guard symbols picked by the script to better ones. Signed-off-by: Markus Armbruster <armbru@redhat.com> Reviewed-by: Richard Henderson <rth@twiddle.net>
2016-07-12Merge remote-tracking branch 'remotes/kraxel/tags/pull-input-20160712-1' ↵Peter Maydell
into staging msmouse: fix misc issues, switch to new input interface. input: add trace events for full queues. input-linux: better capability checks and event handling. # gpg: Signature made Tue 12 Jul 2016 09:20:36 BST # gpg: using RSA key 0x4CB6D8EED3E87138 # gpg: Good signature from "Gerd Hoffmann (work) <kraxel@redhat.com>" # gpg: aka "Gerd Hoffmann <gerd@kraxel.org>" # gpg: aka "Gerd Hoffmann (private) <kraxel@gmail.com>" # Primary key fingerprint: A032 8CFF B93A 17A7 9901 FE7D 4CB6 D8EE D3E8 7138 * remotes/kraxel/tags/pull-input-20160712-1: input-linux: better capability checks, merge input_linux_event_{mouse, keyboard} input-linux: factor out input_linux_handle_keyboard input-linux: factor out input_linux_handle_mouse input: add trace events for full queues msmouse: send short messages if possible. msmouse: switch to new input interface msmouse: fix buffer handling msmouse: add MouseState, unregister handler on close Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2016-07-12input-linux: better capability checks, merge input_linux_event_{mouse, keyboard}Gerd Hoffmann
Improve capability checks (count keys and buttons), store results. Merge the input_linux_event_mouse and input_linux_event_keyboard functions into one, dispatch into input_linux_handle_mouse and input_linux_handle_keyboard depending on device capabilities. Allow calling both handle functions, so we can handle mice which also send key events, by routing those key events to the keyboard. Signed-off-by: Gerd Hoffmann <kraxel@redhat.com> Message-id: 1466067800-25434-4-git-send-email-kraxel@redhat.com
2016-07-12input-linux: factor out input_linux_handle_keyboardGerd Hoffmann
No functional change. Signed-off-by: Gerd Hoffmann <kraxel@redhat.com> Message-id: 1466067800-25434-3-git-send-email-kraxel@redhat.com
2016-07-12input-linux: factor out input_linux_handle_mouseGerd Hoffmann
No functional change. Signed-off-by: Gerd Hoffmann <kraxel@redhat.com> Message-id: 1466067800-25434-2-git-send-email-kraxel@redhat.com
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