- 09 5月, 2017 2 次提交
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由 Markus Armbruster 提交于
SocketAddressLegacy is a simple union, and simple unions are awkward: they have their variant members wrapped in a "data" object on the wire, and require additional indirections in C. SocketAddress is the equivalent flat union. Convert all users of SocketAddressLegacy to SocketAddress, except for existing external interfaces. See also commit fce5d538..9445673e and 85a82e85..c5f1ae3a. Signed-off-by: NMarkus Armbruster <armbru@redhat.com> Message-Id: <1493192202-3184-7-git-send-email-armbru@redhat.com> Reviewed-by: NEric Blake <eblake@redhat.com> [Minor editing accident fixed, commit message and a comment tweaked] Signed-off-by: NMarkus Armbruster <armbru@redhat.com>
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由 Markus Armbruster 提交于
The next commit will rename SocketAddressFlat to SocketAddress, and the commit after that will replace most uses of SocketAddressLegacy by SocketAddress, replacing most of this commit's renames right back. Note that checkpatch emits a few "line over 80 characters" warnings. The long lines are all temporary; the SocketAddressLegacy replacement will shorten them again. Signed-off-by: NMarkus Armbruster <armbru@redhat.com> Message-Id: <1493192202-3184-5-git-send-email-armbru@redhat.com> Reviewed-by: NEric Blake <eblake@redhat.com> Signed-off-by: NMarkus Armbruster <armbru@redhat.com>
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- 04 5月, 2017 13 次提交
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由 Marc-André Lureau 提交于
Instead of flushing the buffer byte by byte, call qemu_chr_be_write() with as much byte possible accepted by the front-end. Factor out buffer flushing in a common function udp_chr_flush_buffer(). Signed-off-by: NMarc-André Lureau <marcandre.lureau@redhat.com> Reviewed-by: NPhilippe Mathieu-Daudé <f4bug@amsat.org>
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由 Marc-André Lureau 提交于
Signed-off-by: NMarc-André Lureau <marcandre.lureau@redhat.com> Reviewed-by: NPhilippe Mathieu-Daudé <f4bug@amsat.org>
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由 Marc-André Lureau 提交于
Add a property to lookup the connection details. Signed-off-by: NMarc-André Lureau <marcandre.lureau@redhat.com> Reviewed-by: NPhilippe Mathieu-Daudé <f4bug@amsat.org>
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由 Marc-André Lureau 提交于
This is mainly useful to know the actual bound port when using port 0. For example, when starting qemu with socket on port 0, before: QEMU waiting for connection on: disconnected:tcp:localhost:0,server After: QEMU waiting for connection on: disconnected:tcp:localhost:32454,server Signed-off-by: NMarc-André Lureau <marcandre.lureau@redhat.com>
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由 Marc-André Lureau 提交于
This helper will be used in yet another place in the following patch. Signed-off-by: NMarc-André Lureau <marcandre.lureau@redhat.com> Reviewed-by: NPhilippe Mathieu-Daudé <f4bug@amsat.org>
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由 Marc-André Lureau 提交于
g_strdup(NULL) returns NULL already. Signed-off-by: NMarc-André Lureau <marcandre.lureau@redhat.com> Reviewed-by: NPhilippe Mathieu-Daudé <f4bug@amsat.org>
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由 Marc-André Lureau 提交于
The list is now empty, the chardev cleanup is taken care of by the unref of the root container. Signed-off-by: NMarc-André Lureau <marcandre.lureau@redhat.com>
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由 Marc-André Lureau 提交于
qemu_chardev_new() now uses object_new_with_props() with /chardevs parent container. It will fail to insert the object if the same "id" already exists. "chardevs" list usage has been removed in previous commits. Signed-off-by: NMarc-André Lureau <marcandre.lureau@redhat.com>
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由 Marc-André Lureau 提交于
Use object_resolve_path_component() and object_child_foreach() on /chardevs container instead of iterating over chardevs list. Signed-off-by: NMarc-André Lureau <marcandre.lureau@redhat.com>
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由 Marc-André Lureau 提交于
Add a /chardevs container object to hold the list of chardevs. (Note: QTAILQ chardevs is going away in the following commits) Signed-off-by: NMarc-André Lureau <marcandre.lureau@redhat.com>
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由 Marc-André Lureau 提交于
mux_chr_event() already send events to all backends, rename it, export it, and use it from muxes_realize_done. This should help abstract away mux implementation. Signed-off-by: NMarc-André Lureau <marcandre.lureau@redhat.com> Reviewed-by: NEric Blake <eblake@redhat.com> Reviewed-by: NPhilippe Mathieu-Daudé <f4bug@amsat.org>
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由 Marc-André Lureau 提交于
The function simply alias and hides the real event function. Signed-off-by: NMarc-André Lureau <marcandre.lureau@redhat.com> Reviewed-by: NEric Blake <eblake@redhat.com> Reviewed-by: NPhilippe Mathieu-Daudé <f4bug@amsat.org>
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由 Jing Liu 提交于
This introduces basic support for TN3270, which needs to negotiate three Telnet options during handshake: - End of Record - Binary Transmission - Terminal-Type As a basic implementation, this simply ignores NOP and Interrupt Process(IP) commands. More work should be done for them later. For more details, please refer to RFC 854 and 1576. Signed-off-by: NJing Liu <liujbjl@linux.vnet.ibm.com> Signed-off-by: NYang Chen <bjcyang@linux.vnet.ibm.com> Reviewed-by: NQingFeng Hao <haoqf@linux.vnet.ibm.com> Acked-by: NDong Jia Shi <bjsdjshi@linux.vnet.ibm.com> Signed-off-by: NCornelia Huck <cornelia.huck@de.ibm.com> Reviewed-by: NMarc-André Lureau <marcandre.lureau@redhat.com>
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- 03 4月, 2017 2 次提交
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由 Markus Armbruster 提交于
Watch this: $ qemu-system-x86_64 -nodefaults -S -display none -qmp stdio {"QMP": {"version": {"qemu": {"micro": 91, "minor": 8, "major": 2}, "package": " (v2.8.0-1195-gf84141e-dirty)"}, "capabilities": []}} { "execute": "qmp_capabilities" } {"return": {}} { "execute": "chardev-add", "arguments": { "id": "chr0", "backend": { "type": "socket", "data": { "addr": { "type": "vsock", "data": { "cid": "CID", "port": "P" }}}}}} Aborted (core dumped) Crashes because SocketAddress_to_str() is blissfully unaware of SOCKET_ADDRESS_KIND_VSOCK. Fix that. Pick the output format to match socket_parse(), just like the existing formats. Cc: Stefan Hajnoczi <stefanha@redhat.com> Cc: Paolo Bonzini <pbonzini@redhat.com> Cc: Marc-André Lureau <marcandre.lureau@redhat.com> Signed-off-by: NMarkus Armbruster <armbru@redhat.com> Reviewed-by: NMarc-André Lureau <marcandre.lureau@redhat.com> Reviewed-by: NMax Reitz <mreitz@redhat.com> Message-id: 1490895797-29094-3-git-send-email-armbru@redhat.com Reviewed-by: NStefan Hajnoczi <stefanha@redhat.com> Signed-off-by: NMax Reitz <mreitz@redhat.com>
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由 Markus Armbruster 提交于
Certain features make sense only with certain address families. For instance, passing file descriptors requires AF_UNIX. Testing SocketAddress's saddr->type == SOCKET_ADDRESS_KIND_UNIX is obvious, but problematic: it can't recognize AF_UNIX when type == SOCKET_ADDRESS_KIND_FD. Mark such tests of saddr->type TODO. We may want to check the address family with getsockname() there. Cc: Paolo Bonzini <pbonzini@redhat.com> Cc: Gerd Hoffmann <kraxel@redhat.com> Cc: Daniel P. Berrange <berrange@redhat.com> Signed-off-by: NMarkus Armbruster <armbru@redhat.com> Reviewed-by: NMax Reitz <mreitz@redhat.com> Reviewed-by: NEric Blake <eblake@redhat.com> Message-id: 1490895797-29094-2-git-send-email-armbru@redhat.com Signed-off-by: NMax Reitz <mreitz@redhat.com>
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- 06 3月, 2017 1 次提交
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由 zhanghailiang 提交于
We can call qemu_chr_fe_set_handlers() to add/remove fd been watched in 'context' which can be either default main context or other explicit context. But the original logic is not correct, we didn't remove the right fd because we call g_main_context_find_source_by_id(NULL, tag) which always try to find the Gsource from default context. Fix it by passing the right context to g_main_context_find_source_by_id(). Cc: Paolo Bonzini <pbonzini@redhat.com> Cc: Marc-André Lureau <marcandre.lureau@redhat.com> Signed-off-by: Nzhanghailiang <zhang.zhanghailiang@huawei.com> Reviewed-by: NMarc-André Lureau <marcandre.lureau@redhat.com> Signed-off-by: NJason Wang <jasowang@redhat.com>
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- 20 2月, 2017 1 次提交
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由 Anatoli Huseu1 提交于
Add QEMU Wacom Penpartner serial tablet emulation. GSoC 2016 project. Signed-off-by: NAnatoli Huseu1 <avg.tolik@gmail.com> Various cleanups. Add line speed tracking. Implement ST and SP commands. Adapted to chardev QOMification. Signed-off-by: NGerd Hoffmann <kraxel@redhat.com> Message-id: 1486391007-10116-1-git-send-email-kraxel@redhat.com
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- 16 2月, 2017 2 次提交
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由 Ed Swierk 提交于
When a serial port writes data to a pty that's disconnected, drop the data and return the length dropped. This avoids triggering pointless retries in callers like the 16550A serial_xmit(), and causes qemu_chr_fe_write() to write all data to the log file, rather than logging only while a pty client like virsh console happens to be connected. Signed-off-by: NEd Swierk <eswierk@skyportsystems.com> Message-Id: <1485870329-79428-1-git-send-email-eswierk@skyportsystems.com> Signed-off-by: NPaolo Bonzini <pbonzini@redhat.com>
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由 Anton Nefedov 提交于
Socket backend read handler should normally perform a disconnect, however the read handler may not get a chance to run if the frontend is not ready (qemu_chr_be_can_write() == 0). This means that in virtio-serial frontend case if - the host has disconnected (giving EPIPE on socket write) - and the guest has disconnected (-> frontend not ready -> backend will not read) - and there is still data (frontend->backend) to flush (has to be a really tricky timing but nevertheless, we have observed the case in production) This results in virtio-serial trying to flush this data continiously forming a busy loop. Solution: react on write error in the socket write handler. errno is not reliable after qio_channel_writev_full(), so we may not get the exact EPIPE, so disconnect on any error but QIO_CHANNEL_ERR_BLOCK which io_channel_send_full() converts to errno EAGAIN. We must not disconnect right away though, there still may be data to read (see 4bf1cb03). Signed-off-by: NAnton Nefedov <anton.nefedov@virtuozzo.com> Signed-off-by: NDenis V. Lunev <den@openvz.org> CC: Paolo Bonzini <pbonzini@redhat.com> CC: Daniel P. Berrange <berrange@redhat.com> CC: Marc-André Lureau <marcandre.lureau@redhat.com> Message-Id: <1486045589-8074-1-git-send-email-den@openvz.org> Signed-off-by: NPaolo Bonzini <pbonzini@redhat.com>
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- 01 2月, 2017 19 次提交
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由 Marc-André Lureau 提交于
Those could probably be squashed with earlier patches, however I couldn't easily identify them, test them or check if there are still necessary on various platforms. Signed-off-by: NMarc-André Lureau <marcandre.lureau@redhat.com> Reviewed-by: NEric Blake <eblake@redhat.com>
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由 Marc-André Lureau 提交于
Signed-off-by: NMarc-André Lureau <marcandre.lureau@redhat.com> Acked-by: NEric Blake <eblake@redhat.com>
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由 Marc-André Lureau 提交于
Signed-off-by: NMarc-André Lureau <marcandre.lureau@redhat.com> Acked-by: NEric Blake <eblake@redhat.com>
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由 Marc-André Lureau 提交于
Signed-off-by: NMarc-André Lureau <marcandre.lureau@redhat.com> Acked-by: NEric Blake <eblake@redhat.com>
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由 Marc-André Lureau 提交于
Signed-off-by: NMarc-André Lureau <marcandre.lureau@redhat.com> Acked-by: NEric Blake <eblake@redhat.com>
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由 Marc-André Lureau 提交于
Signed-off-by: NMarc-André Lureau <marcandre.lureau@redhat.com> Acked-by: NEric Blake <eblake@redhat.com>
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由 Marc-André Lureau 提交于
Signed-off-by: NMarc-André Lureau <marcandre.lureau@redhat.com> Acked-by: NEric Blake <eblake@redhat.com>
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由 Marc-André Lureau 提交于
Signed-off-by: NMarc-André Lureau <marcandre.lureau@redhat.com> Acked-by: NEric Blake <eblake@redhat.com>
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由 Marc-André Lureau 提交于
Signed-off-by: NMarc-André Lureau <marcandre.lureau@redhat.com> Acked-by: NEric Blake <eblake@redhat.com>
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由 Marc-André Lureau 提交于
Signed-off-by: NMarc-André Lureau <marcandre.lureau@redhat.com> Acked-by: NEric Blake <eblake@redhat.com>
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由 Marc-André Lureau 提交于
Signed-off-by: NMarc-André Lureau <marcandre.lureau@redhat.com> Acked-by: NEric Blake <eblake@redhat.com>
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由 Marc-André Lureau 提交于
Signed-off-by: NMarc-André Lureau <marcandre.lureau@redhat.com> Acked-by: NEric Blake <eblake@redhat.com>
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由 Marc-André Lureau 提交于
Signed-off-by: NMarc-André Lureau <marcandre.lureau@redhat.com> Acked-by: NEric Blake <eblake@redhat.com>
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由 Marc-André Lureau 提交于
Signed-off-by: NMarc-André Lureau <marcandre.lureau@redhat.com> Reviewed-by: NEric Blake <eblake@redhat.com>
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由 Marc-André Lureau 提交于
Curiously unused since its introduction in commit 7b0bfdf5. Signed-off-by: NMarc-André Lureau <marcandre.lureau@redhat.com> Reviewed-by: NEric Blake <eblake@redhat.com>
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由 Marc-André Lureau 提交于
This define is used by several character devices, place it in char common header. Signed-off-by: NMarc-André Lureau <marcandre.lureau@redhat.com> Reviewed-by: NEric Blake <eblake@redhat.com>
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由 Marc-André Lureau 提交于
Signed-off-by: NMarc-André Lureau <marcandre.lureau@redhat.com> Reviewed-by: NEric Blake <eblake@redhat.com>
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由 Marc-André Lureau 提交于
A mechanical move, except that qemu_chr_write_all() needs to be declared in char.h header to be used from chardev unit files. Signed-off-by: NMarc-André Lureau <marcandre.lureau@redhat.com> Reviewed-by: NEric Blake <eblake@redhat.com>
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由 Marc-André Lureau 提交于
Signed-off-by: NMarc-André Lureau <marcandre.lureau@redhat.com> Reviewed-by: NEric Blake <eblake@redhat.com>
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