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2015-03-18coroutine-io: Return -errno in case of errorMax Reitz
In case qemu_co_sendv_recvv() fails without any data read, there is no reason not to return the perfectly fine error number retrieved from socket_error(). Signed-off-by: Max Reitz <mreitz@redhat.com> Message-Id: <1424887718-10800-16-git-send-email-mreitz@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2015-03-18nbd: Drop unexpected data for NBD_OPT_LISTMax Reitz
When requesting the list of exports, no data should be sent. If data is sent, the NBD server should not just inform the client of the invalid request, but also drop the data. Signed-off-by: Max Reitz <mreitz@redhat.com> Message-Id: <1424887718-10800-22-git-send-email-mreitz@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2015-03-18nbd: Fix interpretation of the export flagsMax Reitz
The export flags are a 16 bit value, so be16_to_cpu() has to be used to interpret them correctly. This makes discard and flush actually work for named NBD exports (they did not work before, because the client always assumed them to be unsupported because of the bug fixed by this patch). Signed-off-by: Max Reitz <mreitz@redhat.com> Message-Id: <1424887718-10800-20-git-send-email-mreitz@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2015-03-18nbd: Fix nbd_receive_options()Max Reitz
The client flags are sent exactly once overall, not once per option. Signed-off-by: Max Reitz <mreitz@redhat.com> Message-Id: <1424887718-10800-19-git-send-email-mreitz@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2015-03-18nbd: Set block size to BDRV_SECTOR_SIZEMax Reitz
Signed-off-by: Max Reitz <mreitz@redhat.com> Message-Id: <1424887718-10800-13-git-send-email-mreitz@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2015-03-18nbd: Fix potential signed overflow issuesMax Reitz
Signed-off-by: Max Reitz <mreitz@redhat.com> Message-Id: <1424887718-10800-11-git-send-email-mreitz@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2015-03-18qemu-nbd: fork() can failMax Reitz
It is very unlikely, but it is possible. Signed-off-by: Max Reitz <mreitz@redhat.com> Message-Id: <1424887718-10800-10-git-send-email-mreitz@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2015-03-18nbd: Handle blk_getlength() failureMax Reitz
Signed-off-by: Max Reitz <mreitz@redhat.com> Message-Id: <1424887718-10800-9-git-send-email-mreitz@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2015-03-18nbd: Pass return value from nbd_handle_list()Max Reitz
While it does not make a difference in practice, nbd_receive_options() generally returns -errno, so it should do that here as well; and the easiest way to achieve this is by passing on the value returned by nbd_handle_list(). Signed-off-by: Max Reitz <mreitz@redhat.com> Message-Id: <1424887718-10800-7-git-send-email-mreitz@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2015-03-18nbd: Fix nbd_establish_connection()'s return valueMax Reitz
unix_connect_opts() and inet_connect_opts() do not necessarily set errno (if at all); therefore, nbd_establish_connection() should not literally return -errno on error. Signed-off-by: Max Reitz <mreitz@redhat.com> Message-Id: <1424887718-10800-4-git-send-email-mreitz@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2015-03-18qemu-nbd: Detect unused partitions by system == 0Max Reitz
Unused partitions do not necessarily have a total sector count of 0 (although they should have), but they always do have the system field set to 0, so use that for testing whether a partition is in use rather than the sector count field alone. Signed-off-by: Max Reitz <mreitz@redhat.com> Message-Id: <1424887718-10800-3-git-send-email-mreitz@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2015-03-18util/uri: Add overflow check to rfc3986_parse_portMax Reitz
And while at it, replace tabs by eight spaces in this function. Signed-off-by: Max Reitz <mreitz@redhat.com> Message-Id: <1424887718-10800-2-git-send-email-mreitz@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2015-03-18nbd: Fix overflow return valueYik Fang
The value of reply.error should be the type unsigned int. Signed-off-by: Yik Fang <eric.fangyi@huawei.com> Message-Id: <1423722111-12902-1-git-send-email-eric.fangyi@huawei.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2015-03-18hw/usb: Include USB files only if necessaryThomas Huth
Boards that do not include an USB controller should not provide USB devices. However, when running "qemu-system-s390x -device help" for example, there's still a usb-hub, usb-kbd, usb-mouse and usb-tablet in the list of "supported" devices. Let's fix that by compiling and linking the USB files only if it is really necessary. Signed-off-by: Thomas Huth <thuth@linux.vnet.ibm.com> Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2015-03-18target-mips: save cpu state before calling MSA load and store helpersLeon Alrae
PC needs to be saved if an exception can be generated by an helper. This fixes a problem related to resuming the execution at unexpected address after an exception (caused by MSA load/store instruction) has been serviced. Signed-off-by: Leon Alrae <leon.alrae@imgtec.com>
2015-03-18target-mips: fix hflags modified in delay / forbidden slotLeon Alrae
All instructions which may change hflags terminate tb. However, this doesn't work if such an instruction is placed in delay or forbidden slot. gen_branch() clears MIPS_HFLAG_BMASK in ctx->hflags and then generates code to overwrite hflags with ctx->hflags, consequently we loose any execution-time hflags modifications. For example, in the following scenario hflag related to Status.CU1 will not be updated: /* Set Status.CU1 in delay slot */ mfc0 $24, $12, 0 lui $25, 0x2000 or $25, $25, $24 b check_Status_CU1 mtc0 $25, $12, 0 With this change we clear MIPS_HFLAG_BMASK in execution-time hflags if instruction in delay or forbidden slot wants to terminate tb for some reason (i.e. ctx->bstate != BS_NONE). Also, die early and loudly if "unknown branch" is encountered as this should never happen. Signed-off-by: Leon Alrae <leon.alrae@imgtec.com>
2015-03-18target-mips: fix CP0.BadVAddr by stopping translation on Address ErrorLeon Alrae
CP0.BadVAddr is supposed to capture the most recent virtual address that caused the exception. Currently this does not work correctly for unaligned instruction fetch as translation is not stopped and CP0.BadVAddr is updated with subsequent addresses. Signed-off-by: Leon Alrae <leon.alrae@imgtec.com>
2015-03-18ui: ensure VNC websockets server checks the ACL if requestedDaniel P. Berrange
If the x509verify option is requested, the VNC websockets server was failing to validate that the websockets client provided an x509 certificate matching the ACL rules. Signed-off-by: Daniel P. Berrange <berrange@redhat.com> Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2015-03-18ui: remove separate gnutls_session for websockets serverDaniel P. Berrange
The previous change to the auth scheme handling guarantees we can never have nested TLS sessions in the VNC websockets server. Thus we can remove the separate gnutls_session instance. Signed-off-by: Daniel P. Berrange <berrange@redhat.com> Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2015-03-18ui: enforce TLS when using websockets serverDaniel P. Berrange
When TLS is required, the primary VNC server considers it to be mandatory. ie the server admin decides whether or not TLS is used, and the client has to comply with this decision. The websockets server, however, treated it as optional, allowing non-TLS clients to connect to a server which had setup TLS. Thus enabling websockets lowers the security of the VNC server leaving the admin no way to enforce use of TLS. This removes the code that allows non-TLS fallback in the websockets server, so that if TLS is requested for VNC it is now mandatory for both the primary VNC server and the websockets VNC server. Signed-off-by: Daniel P. Berrange <berrange@redhat.com> Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2015-03-18ui: fix setup of VNC websockets auth scheme with TLSDaniel P. Berrange
The way the websockets TLS code was integrated into the VNC server made it essentially useless. The only time that the websockets TLS support could be used is if the primary VNC server had its existing TLS support disabled. ie QEMU had to be launched with: # qemu -vnc localhost:1,websockets=5902,x509=/path/to/certs Note the absence of the 'tls' flag. This is already a bug, because the docs indicate that 'x509' is ignored unless 'tls' is given. If the primary VNC server had TLS turned on via the 'tls' flag, then this prevented the websockets TLS support from being used, because it activates the VeNCrypt auth which would have resulted in TLS being run over a TLS session. Of course no websockets VNC client supported VeNCrypt so in practice, since the browser clients cannot setup a nested TLS session over the main HTTPS connection, so it would not even get past auth. This patch causes us to decide our auth scheme separately for the main VNC server vs the websockets VNC server. We take account of the fact that if TLS is enabled, then the websockets client will use https, so setting up VeNCrypt is thus redundant as it would lead to nested TLS sessions. Signed-off-by: Daniel P. Berrange <berrange@redhat.com> Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2015-03-18ui: split setup of VNC auth scheme into separate methodDaniel P. Berrange
The vnc_display_open method is quite long and complex, so move the VNC auth scheme decision logic into a separate method for clarity. Also update the comment to better describe what we are trying to achieve. Signed-off-by: Daniel P. Berrange <berrange@redhat.com> Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2015-03-18ui: report error if user requests VNC option that is unsupportedDaniel P. Berrange
If the VNC server is built without tls, sasl or websocket support and the user requests one of these features, they are just silently ignored. This is bad because it means the VNC server ends up running in a configuration that is less secure than the user asked for. It also leads to an tangled mass of preprocessor conditionals when configuring the VNC server. This ensures that the tls, sasl & websocket options are always processed and an error is reported back to the user if any of them were disabled at build time. Signed-off-by: Daniel P. Berrange <berrange@redhat.com> Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2015-03-18ui: replace printf() calls with VNC_DEBUGDaniel P. Berrange
Handling of VNC audio messages results in printfs to the console. This is of no use to anyone in production, so should be using the normal VNC_DEBUG macro instead. Signed-off-by: Daniel P. Berrange <berrange@redhat.com> Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2015-03-18ui: remove unused 'wiremode' variable in VncState structDaniel P. Berrange
Signed-off-by: Daniel P. Berrange <berrange@redhat.com> Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2015-03-17Update version for v2.3.0-rc0 releasev2.3.0-rc0Peter Maydell
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2015-03-17Merge remote-tracking branch 'remotes/juanquintela/tags/migration/20150317' ↵Peter Maydell
into staging migration/next for 20150317 # gpg: Signature made Tue Mar 17 14:21:14 2015 GMT using RSA key ID 5872D723 # gpg: Can't check signature: public key not found * remotes/juanquintela/tags/migration/20150317: migration: Expose 'cancelling' status to user migration: Convert 'status' of MigrationInfo to use an enum type hmp: Rename 'MigrationStatus' to 'HMPMigrationStatus' migration: Rename abbreviated macro MIG_STATE_* to MIGRATION_STATUS_* migration: Remove unused functions arch_init: Count the total number of pages by using helper function migrate_incoming: Cleanup/clarify error messages Warn against the use of the string as uri parameter to migrate-incoming migrate_incoming: use hmp_handle_error migration: Fix remaining 32 bit compiler errors migration: Fix some 32 bit compiler errors migration/rdma: clean up qemu_rdma_dest_init a bit migration: Avoid qerror_report_err() outside QMP command handlers Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2015-03-17Merge remote-tracking branch 'remotes/afaerber/tags/qom-cpu-for-peter' into ↵Peter Maydell
staging QOM CPUState and X86CPU * QTest for PC X86CPU * Confinement of ICC bridge X86CPU parenting to PC code # gpg: Signature made Tue Mar 17 15:23:31 2015 GMT using RSA key ID 3E7E013F # gpg: Good signature from "Andreas Färber <afaerber@suse.de>" # gpg: aka "Andreas Färber <afaerber@suse.com>" * remotes/afaerber/tags/qom-cpu-for-peter: target-i386: Remove icc_bridge parameter from cpu_x86_create() tests: Add PC CPU test pc: Suppress APIC ID compatibility warning for QTest Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2015-03-17Merge remote-tracking branch 'remotes/afaerber/tags/qom-devices-for-peter' ↵Peter Maydell
into staging QOM infrastructure fixes and device conversions * Conversion of cadence_uart to QOM realize * qom-tree QMP script * qom-list and qom-set HMP commands to match their QMP counterparts * Basic qom-tree HMP command * Cleanups for /machine QOM composition tree # gpg: Signature made Tue Mar 17 15:02:57 2015 GMT using RSA key ID 3E7E013F # gpg: Good signature from "Andreas Färber <afaerber@suse.de>" # gpg: aka "Andreas Färber <afaerber@suse.com>" * remotes/afaerber/tags/qom-devices-for-peter: qdev: Move owner-less IRQs to /machine/unattached memory: Move owner-less MemoryRegions to /machine/unattached qom: Implement info qom-tree HMP command qom: Implement qom-set HMP command qom: Implement qom-list HMP command scripts: Add qom-tree script cadence_uart: Convert to QOM realize() Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2015-03-17migration: Expose 'cancelling' status to userzhanghailiang
'cancelling' status was introduced by commit 51cf4c1a, mainly to avoid a possible start of a new migration process while the previous one still exists. But we didn't expose this status to user, instead we returned the 'active' state. Here, we expose it to the user (such as libvirt), 'cancelling' status only occurs for a short window before the migration aborts, so for users, if they cancel a migration process, it will observe 'cancelling' status occasionally. Testing revealed that with older libvirt (anything 1.2.13 or less) will print an odd error message if the state is seen, but that the migration is still properly cancelled. Newer libvirt will be patched to recognize the new state without the odd error message. Signed-off-by: zhanghailiang <zhang.zhanghailiang@huawei.com> Reviewed-by: Eric Blake <eblake@redhat.com> Cc: libvir-list@redhat.com Signed-off-by: Juan Quintela <quintela@redhat.com>
2015-03-17migration: Convert 'status' of MigrationInfo to use an enum typezhanghailiang
The original 'status' is an open-coded 'str' type, convert it to use an enum type. This conversion is backwards compatible, better documented and more convenient for future extensibility. In addition, Fix a typo for qapi-schema.json (just remove the typo) : s/'completed'. 'comppleted' (since 1.2)/'completed' (since 1.2) Signed-off-by: zhanghailiang <zhang.zhanghailiang@huawei.com> Reviewed-by: Eric Blake <eblake@redhat.com> Signed-off-by: Juan Quintela <quintela@redhat.com>
2015-03-17hmp: Rename 'MigrationStatus' to 'HMPMigrationStatus'zhanghailiang
We will use the typename 'MigrationStatus' for publicly exported typename, So here we rename the internal-only 'MigrationStatus' to 'HMPMigrationStatus'. Signed-off-by: zhanghailiang <zhang.zhanghailiang@huawei.com> Reviewed-by: Eric Blake <eblake@redhat.com> Signed-off-by: Juan Quintela <quintela@redhat.com>
2015-03-17migration: Rename abbreviated macro MIG_STATE_* to MIGRATION_STATUS_*zhanghailiang
Rename all macro MIG_STATE_* to MIGRATION_STATUS_* except "MIG_STATE_ERROR", we rename it to "MIGRATION_STATUS_FAILED" which will match the migration status string 'failed'. Signed-off-by: zhanghailiang <zhang.zhanghailiang@huawei.com> Reviewed-by: Eric Blake <eblake@redhat.com> Signed-off-by: Juan Quintela <quintela@redhat.com>
2015-03-17migration: Remove unused functionsThomas Huth
migrate_rdma_pin_all() and qsb_clone() are completely unused and thus can be deleted. Signed-off-by: Thomas Huth <thuth@linux.vnet.ibm.com> Cc: Juan Quintela <quintela@redhat.com> Cc: Amit Shah <amit.shah@redhat.com> Signed-off-by: Juan Quintela <quintela@redhat.com>
2015-03-17arch_init: Count the total number of pages by using helper functionzhanghailiang
There is already a helper function ram_bytes_total(), we can use it to help counting the total number of pages used by ram blocks. Signed-off-by: zhanghailiang <zhang.zhanghailiang@huawei.com> Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com> Signed-off-by: Juan Quintela <quintela@redhat.com>
2015-03-17migrate_incoming: Cleanup/clarify error messagesDr. David Alan Gilbert
Create a separate error for the case where migrate_incoming is used after a succesful migrate_incoming. Reword the error in the case where '-incoming defer' is missing to omit the command name so it's right for both hmp and qmp. Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com> Reviewed-by: Markus Armbruster <armbru@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com> Reviewed-by: Amit Shah <amit.shah@redhat.com> Signed-off-by: Juan Quintela <quintela@redhat.com>
2015-03-17Warn against the use of the string as uri parameter to migrate-incomingDr. David Alan Gilbert
Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com> Reviewed-by: Markus Armbruster <armbru@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com> Reviewed-by: Amit Shah <amit.shah@redhat.com> Signed-off-by: Juan Quintela <quintela@redhat.com>
2015-03-17migrate_incoming: use hmp_handle_errorDr. David Alan Gilbert
Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com> Reviewed-by: Markus Armbruster <armbru@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com> Reviewed-by: Amit Shah <amit.shah@redhat.com> Signed-off-by: Juan Quintela <quintela@redhat.com>
2015-03-17migration: Fix remaining 32 bit compiler errorsStefan Weil
Fix type casts between pointers and 64 bit integers. Now 32 bit builds are possible again. Signed-off-by: Stefan Weil <sw@weilnetz.de> Signed-off-by: Juan Quintela <quintela@redhat.com>
2015-03-17migration: Fix some 32 bit compiler errorsStefan Weil
The current code won't compile on 32 bit hosts because there are lots of type casts between pointers and 64 bit integers. Fix some of them. Signed-off-by: Stefan Weil <sw@weilnetz.de> Signed-off-by: Juan Quintela <quintela@redhat.com>
2015-03-17migration/rdma: clean up qemu_rdma_dest_init a bitMichael Tokarev
Do not check for rdma->host being empty twice. This removes a large "if" block, so code indentation is changed. While at it, remove an ugly goto from the loop, replacing it with a cleaner if logic. And finally, there's no need to initialize `ret' variable since is always has a value. Signed-off-by: Michael Tokarev <mjt@tls.msk.ru> Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com> Tested-by: Dr. David Alan Gilbert <dgilbert@redhat.com> -- fixed space detected by Dave Signed-off-by: Juan Quintela <quintela@redhat.com>
2015-03-17migration: Avoid qerror_report_err() outside QMP command handlersMarkus Armbruster
qerror_report_err() is a transitional interface to help with converting existing monitor commands to QMP. It should not be used elsewhere. Replace by error_report_err() in process_incoming_migration_co(). Signed-off-by: Markus Armbruster <armbru@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com> Signed-off-by: Juan Quintela <quintela@redhat.com>
2015-03-17target-i386: Remove icc_bridge parameter from cpu_x86_create()Eduardo Habkost
Instead of passing icc_bridge from the PC initialization code to cpu_x86_create(), make the PC initialization code attach the CPU to icc_bridge. The only difference here is that icc_bridge attachment will now be done after x86_cpu_parse_featurestr() is called. But this shouldn't make any difference, as property setters shouldn't depend on icc_bridge. Signed-off-by: Eduardo Habkost <ehabkost@redhat.com> Reviewed-by: Igor Mammedov <imammedo@redhat.com> Signed-off-by: Andreas Färber <afaerber@suse.de>
2015-03-17tests: Add PC CPU testAndreas Färber
Test non-default -smp core and thread counts and a non-default CPU model on all PC machines except for isapc. Note that not all historic versions actually supported this particular configuration, ignored for simplicity. For machines pc-*-1.5+ test QMP cpu-add with monotonically increasing ID, and test for graceful failure otherwise. Cc: Eduardo Habkost <ehabkost@redhat.com> Signed-off-by: Andreas Färber <afaerber@suse.de>
2015-03-17pc: Suppress APIC ID compatibility warning for QTestAndreas Färber
This avoids cluttering GTester output with irrelevant warnings. Cc: Eduardo Habkost <ehabkost@redhat.com> Signed-off-by: Andreas Färber <afaerber@suse.de>
2015-03-17qdev: Move owner-less IRQs to /machine/unattachedAndreas Färber
Move non-qdev-gpio[*] from /machine into /machine/unattached. For the PC this moves 25 nodes from the stable namespace into the unstable. Cc: Peter Crosthwaite <peter.crosthwaite@xilinx.com> Tested-by: Alistair Francis <alistair.francis@xilinx.com> Signed-off-by: Andreas Färber <afaerber@suse.de>
2015-03-17memory: Move owner-less MemoryRegions to /machine/unattachedAndreas Färber
This cleans up the official /machine namespace. In particular /machine/system[0] and /machine/io[0], as well as entries with non-sanitized node names such as "/machine/qemu extended regs[0]". The actual MemoryRegion names remain unchanged. Acked-by: Paolo Bonzini <pbonzini@redhat.com> Tested-by: Alistair Francis <alistair.francis@xilinx.com> Signed-off-by: Andreas Färber <afaerber@suse.de>
2015-03-17qom: Implement info qom-tree HMP commandAndreas Färber
To complement qdev's bus-oriented info qtree, info qom-tree prints a hierarchical view of the QOM composition tree. By default, the machine composition tree is shown. This can be overriden by supplying a path argument, such as "info qom-tree /". Tested-by: Alistair Francis <alistair.francis@xilinx.com> Signed-off-by: Andreas Färber <afaerber@suse.de>
2015-03-17qom: Implement qom-set HMP commandAndreas Färber
Re-implemented based on qmp_qom_set() to facilitate argument parsing. Warn about ambiguous path arguments. Reviewed-by: Gonglei <arei.gonglei@huawei.com> Tested-by: Alistair Francis <alistair.francis@xilinx.com> Signed-off-by: Andreas Färber <afaerber@suse.de>
2015-03-17qom: Implement qom-list HMP commandAndreas Färber
Implement it as a wrapper for QMP qom-list, but mimic the behavior of scripts/qmp/qom-list in making the path argument optional and listing the root if absent, to hint users what kind of path to pass. Reviewed-by: Gonglei <arei.gonglei@huawei.com> Tested-by: Alistair Francis <alistair.francis@xilinx.com> Signed-off-by: Andreas Färber <afaerber@suse.de>
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