- decode escape sequences
- decompress run-length encoding escape sequences
- report command parsing problems to output when debug output is enabled
- reject packet checksums that are not valid hex digits
- compute the checksum based on the packet stream, not based on the
decoded packet
Tested with GDB and QtCreator integrated debugger on SMP QEMU instance.
Works for me.
Signed-off-by: Doug Gale <doug16k@gmail.com>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
devices via tn3270. Actual handling of the data stream is
delegated to x3270; more info at http://wiki.qemu.org/Features/3270
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Merge remote-tracking branch 'cohuck/tags/s390x-3270-20170504' into staging
Basic support for using channel-attached 3270 'green-screen'
devices via tn3270. Actual handling of the data stream is
delegated to x3270; more info at http://wiki.qemu.org/Features/3270
# gpg: Signature made Thu 04 May 2017 11:36:51 AM BST
# gpg: using RSA key 0xDECF6B93C6F02FAF
# gpg: Good signature from "Cornelia Huck <conny@cornelia-huck.de>"
# gpg: aka "Cornelia Huck <cohuck@kernel.org>"
# gpg: aka "Cornelia Huck <cornelia.huck@de.ibm.com>"
# gpg: aka "Cornelia Huck <huckc@linux.vnet.ibm.com>"
# Primary key fingerprint: C3D0 D66D C362 4FF6 A8C0 18CE DECF 6B93 C6F0 2FAF
* cohuck/tags/s390x-3270-20170504:
s390x/3270: Mark non-migratable and enable the device
s390x/3270: Detect for continued presence of a 3270 client
s390x/3270: Add the TCP socket events handler for 3270
s390x/3270: 3270 data stream handling
s390x/3270: Add emulated terminal3270 device
s390x/3270: Add abstract emulated ccw-attached 3270 device
s390x/css: Add an algorithm to find a free chpid
chardev: Basic support for TN3270
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
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Merge remote-tracking branch 'shorne/tags/pull-or-20170504' into staging
Openrisc Features and Fixes for qemu 2.10
# gpg: Signature made Thu 04 May 2017 01:41:45 AM BST
# gpg: using RSA key 0xC3B31C2D5E6627E4
# gpg: Good signature from "Stafford Horne <shorne@gmail.com>"
# gpg: WARNING: This key is not certified with a trusted signature!
# gpg: There is no indication that the signature belongs to the owner.
# Primary key fingerprint: D9C4 7354 AEF8 6C10 3A25 EFF1 C3B3 1C2D 5E66 27E4
* shorne/tags/pull-or-20170504:
target/openrisc: Support non-busy idle state using PMR SPR
target/openrisc: Remove duplicate features property
target/openrisc: Implement full vmstate serialization
migration: Add VMSTATE_STRUCT_2DARRAY()
target/openrisc: implement shadow registers
migration: Add VMSTATE_UINTTL_2DARRAY()
target/openrisc: add numcores and coreid support
target/openrisc: Fixes for memory debugging
target/openrisc: Implement EPH bit
target/openrisc: Implement EVBAR register
MAINTAINERS: Add myself as openrisc maintainer
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
- LOADPARM machine property, exposed to the guest via SCLP and
diagnose 308
- Use LOADPARM in the s390-ccw bios to select a boot entry
- Fix a crash in the ipl device code when a virtio-scsi-pci device
has been specified
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Merge remote-tracking branch 'cohuck/tags/s390x-20170502' into staging
More s390x patches, this time boot related:
- LOADPARM machine property, exposed to the guest via SCLP and
diagnose 308
- Use LOADPARM in the s390-ccw bios to select a boot entry
- Fix a crash in the ipl device code when a virtio-scsi-pci device
has been specified
# gpg: Signature made Tue 02 May 2017 02:29:26 PM BST
# gpg: using RSA key 0xDECF6B93C6F02FAF
# gpg: Good signature from "Cornelia Huck <conny@cornelia-huck.de>"
# gpg: aka "Cornelia Huck <cohuck@kernel.org>"
# gpg: aka "Cornelia Huck <cornelia.huck@de.ibm.com>"
# gpg: aka "Cornelia Huck <huckc@linux.vnet.ibm.com>"
# Primary key fingerprint: C3D0 D66D C362 4FF6 A8C0 18CE DECF 6B93 C6F0 2FAF
* cohuck/tags/s390x-20170502:
hw/s390x/ipl: Fix crash with virtio-scsi-pci device
pc-bios/s390-ccw.img: update image
pc-bios/s390-ccw: add boot entry selection to El Torito routine
pc-bios/s390-ccw: add boot entry selection for ECKD DASD
pc-bios/s390-ccw: provide entry selection on LOADPARM for SCSI disk
pc-bios/s390-ccw: provide a function to interpret LOADPARM value
pc-bios/s390-ccw: get LOADPARM stored in SCP Read Info
pc-bios/s390-ccw: Make ebcdic/ascii conversion public
util/qemu-config: Add loadparm to qemu machine_opts
hw/s390x/sclp: update LOADPARM in SCP Info
hw/s390x/ipl: enable LOADPARM in IPIB for a boot device
hw/s390x: provide loadparm property for the machine
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
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Merge remote-tracking branch 'kwolf/tags/for-upstream' into staging
Block layer patches
# gpg: Signature made Fri 28 Apr 2017 09:20:17 PM 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
* kwolf/tags/for-upstream: (34 commits)
progress: Show current progress on SIGINFO
iotests: fix exclusion option
iotests: clarify help text
qemu-img: use blk_co_pwrite_zeroes for zero sectors when compressed
qemu-img: improve convert_iteration_sectors()
block: assert no image modification under BDRV_O_INACTIVE
block: fix obvious coding style mistakes in block_int.h
qcow2: Allow discard of final unaligned cluster
block: Add .bdrv_truncate() error messages
block: Add errp to BD.bdrv_truncate()
block: Add errp to b{lk,drv}_truncate()
block/vhdx: Make vhdx_create() always set errp
qemu-img: Document backing options
qemu-img/convert: Move bs_n > 1 && -B check down
qemu-img/convert: Use @opts for one thing only
block: fix alignment calculations in bdrv_co_do_zero_pwritev
block: Do not unref bs->file on error in BD's open
iotests: 109: Filter out "len" of failed jobs
iotests: Fix typo in 026
Issue a deprecation warning if the user specifies the "-hdachs" option.
...
Message-id: 1493411622-5343-1-git-send-email-kwolf@redhat.com
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
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: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Add a property to lookup the connection details.
Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
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: Marc-André Lureau <marcandre.lureau@redhat.com>
This helper will be used in yet another place in the following patch.
Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
The list is now empty, the chardev cleanup is taken care of by the unref
of the root container.
Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
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: Marc-André Lureau <marcandre.lureau@redhat.com>
Use object_resolve_path_component() and object_child_foreach() on
/chardevs container instead of iterating over chardevs list.
Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Add a /chardevs container object to hold the list of chardevs.
(Note: QTAILQ chardevs is going away in the following commits)
Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
object_property_add_child() references the child, unref it after to
avoid ref leaks.
Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
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: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
The function simply alias and hides the real event function.
Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
A couple more traces that would have made fixing that postcopy
bug a bit easier.
Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Reviewed-by: Juan Quintela <quintela@redhat.com>
Signed-off-by: Juan Quintela <quintela@redhat.com>
It is internal to migration, not intended for other users.
Signed-off-by: Juan Quintela <quintela@redhat.com>
Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Mark 3270 as non-migratable for the experimental stage. Enable
the 3270 device so that we can use x3270 client to operate the guest.
Run qemu with the arguments:
-chardev socket,id=char3270_0,host=0.0.0.0,port=23,nowait,server,tn3270 \
-device x-terminal3270,chardev=char3270_0,devno=fe.0.000a,id=terminal3270_0 \
There are some restrictions for the first stage: We don't support SSL
connections, multiple client connections and client resizing. Only
tested with the x3270 client.
Signed-off-by: Jing Liu <liujbjl@linux.vnet.ibm.com>
Signed-off-by: Yang Chen <bjcyang@linux.vnet.ibm.com>
Reviewed-by: QingFeng Hao <haoqf@linux.vnet.ibm.com>
Reviewed-by: Dong Jia Shi <bjsdjshi@linux.vnet.ibm.com>
Signed-off-by: Cornelia Huck <cornelia.huck@de.ibm.com>
To ensure that we do not keep any 3270 sockets where the client is not
connected anymore, we send a packet with the timing mark option after
ten minutes of client inactivity. If the client does not answer it,
then the socket will be closed automatically.
This helps to ensure that there is no half-open situation on the 3270
socket.
Signed-off-by: Jing Liu <liujbjl@linux.vnet.ibm.com>
Reviewed-by: QingFeng Hao <haoqf@linux.vnet.ibm.com>
Reviewed-by: Dong Jia Shi <bjsdjshi@linux.vnet.ibm.com>
Signed-off-by: Cornelia Huck <cornelia.huck@de.ibm.com>
This introduces a chr_event handler to handle the 3270 connection
and disconnection events.
Signed-off-by: Jing Liu <liujbjl@linux.vnet.ibm.com>
Reviewed-by: QingFeng Hao <haoqf@linux.vnet.ibm.com>
Reviewed-by: Dong Jia Shi <bjsdjshi@linux.vnet.ibm.com>
Signed-off-by: Cornelia Huck <cornelia.huck@de.ibm.com>
This introduces the input and output handlers for 3270 device, setting
up the data tunnel among guest kernel, qemu and the 3270 client.
After the client connected and TN3270 handshake done, signal the not-ready
to ready status by an unsolicited device-end interrupt, and then the 3270
data stream could be handled correctly between the channel and socket.
Multiple commands generated by "Reset" key on x3270 are not supported now,
just simply terminate the connection.
Signed-off-by: Jing Liu <liujbjl@linux.vnet.ibm.com>
Signed-off-by: Yang Chen <bjcyang@linux.vnet.ibm.com>
Reviewed-by: QingFeng Hao <haoqf@linux.vnet.ibm.com>
Reviewed-by: Dong Jia Shi <bjsdjshi@linux.vnet.ibm.com>
Signed-off-by: Cornelia Huck <cornelia.huck@de.ibm.com>
This is a basic implementation of the emulated ccw-attached 3270
called x-terminal3270, which provides visibility of the device in
the qemu monitor and guest. The x prefix indicates that this is
just an experimental implementation for the current stage. This
device will not be compiled until the basic functions are available.
Signed-off-by: Yang Chen <bjcyang@linux.vnet.ibm.com>
Signed-off-by: Jing Liu <liujbjl@linux.vnet.ibm.com>
Reviewed-by: QingFeng Hao <haoqf@linux.vnet.ibm.com>
Reviewed-by: Dong Jia Shi <bjsdjshi@linux.vnet.ibm.com>
Signed-off-by: Cornelia Huck <cornelia.huck@de.ibm.com>
This introduces the infrastructure for the emulated 3270
devices, which will be attached to the virtual-css-bus.
Signed-off-by: Yang Chen <bjcyang@linux.vnet.ibm.com>
Signed-off-by: Jing Liu <liujbjl@linux.vnet.ibm.com>
Reviewed-by: QingFeng Hao <haoqf@linux.vnet.ibm.com>
Reviewed-by: Dong Jia Shi <bjsdjshi@linux.vnet.ibm.com>
Signed-off-by: Cornelia Huck <cornelia.huck@de.ibm.com>
This introduces a function named css_find_free_chpid() to find a
free channel path. Because virtio-ccw device used zero as its
channel path number, it would be sensible to skip the reserved one
and search upwards.
Signed-off-by: Jing Liu <liujbjl@linux.vnet.ibm.com>
Reviewed-by: QingFeng Hao <haoqf@linux.vnet.ibm.com>
Reviewed-by: Dong Jia Shi <bjsdjshi@linux.vnet.ibm.com>
Signed-off-by: Cornelia Huck <cornelia.huck@de.ibm.com>
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: Jing Liu <liujbjl@linux.vnet.ibm.com>
Signed-off-by: Yang Chen <bjcyang@linux.vnet.ibm.com>
Reviewed-by: QingFeng Hao <haoqf@linux.vnet.ibm.com>
Acked-by: Dong Jia Shi <bjsdjshi@linux.vnet.ibm.com>
Signed-off-by: Cornelia Huck <cornelia.huck@de.ibm.com>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
It only uses block/* functions, nothing from migration.
Signed-off-by: Juan Quintela <quintela@redhat.com>
Reviewed-by: Laurent Vivier <lvivier@redhat.com>
Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
It really uses block/* stuff, not migration one.
Signed-off-by: Juan Quintela <quintela@redhat.com>
Reviewed-by: Laurent Vivier <lvivier@redhat.com>
Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
It is a monitor command, and has nothing migration specific in it.
Signed-off-by: Juan Quintela <quintela@redhat.com>
Reviewed-by: Laurent Vivier <lvivier@redhat.com>
Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
We are going to move the rest of hmp snapshots functions there instead
of monitor.c.
Signed-off-by: Juan Quintela <quintela@redhat.com>
Reviewed-by: Laurent Vivier <lvivier@redhat.com>
Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
load_vmstate() already use error_report, so be consistent. There is
an identical error message in load_vmstate() that ends in a
period. Remove it.
Signed-off-by: Juan Quintela <quintela@redhat.com>
Reviewed-by: Laurent Vivier <lvivier@redhat.com>
Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
We have just arrived as:
migration.c: qemu_migrate()
....
s = migrate_init() <- puts it to NULL
....
{tcp,unix}_start_outgoing_migration ->
socket_outgoing_migration
migration_channel_connect()
sets to_dst_file
if tls is enabled, we do another round through
migrate_channel_tls_connect(), but we only set it up if there is no
error. So we don't need the assignation. I am removing it to remove
in the follwing patches the knowledge about MigrationState in that two
files.
Signed-off-by: Juan Quintela <quintela@redhat.com>
Reviewed-by: Laurent Vivier <lvivier@redhat.com>
Reviewed-by: Daniel P. Berrange <berrange@redhat.com>
Reviewed-by: Peter Xu <peterx@redhat.com>
Historically the migration data channel has only needed to be
unidirectional. Thus the 'exec:' protocol was requesting an
I/O channel with O_RDONLY on incoming side, and O_WRONLY on
the outgoing side.
This is fine for classic migration, but if you then try to run
TLS over it, this fails because the TLS handshake requires a
bi-directional channel.
Signed-off-by: Daniel P. Berrange <berrange@redhat.com>
Reviewed-by: Juan Quintela <quintela@redhat.com>
Signed-off-by: Juan Quintela <quintela@redhat.com>
Both the ram bitmap and the unsent bitmap are split by RAMBlock.
Signed-off-by: Juan Quintela <quintela@redhat.com>
Reviewed-by: zhanghailiang <zhang.zhanghailiang@huawei.com>
Reviewed-by: Peter Xu <peterx@redhat.com>
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Fix compilation when DEBUG_POSTCOPY is enabled (thanks Hailiang)
Doug Gale
Stefan Hajnoczi
Marc-André Lureau
Dr. David Alan Gilbert
Juan Quintela
Jing Liu
Yang Chen
Daniel P. Berrange