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2011-06-03target-s390x: Add missing tcg_temp_free_i64() in do_mh()Stefan Weil
Signed-off-by: Stefan Weil <weil@mail.berlios.de> Signed-off-by: Alexander Graf <agraf@suse.de>
2011-06-03target-s390x: Add missing tcg_temp_free_i64() in gen_jcc()Stefan Weil
Signed-off-by: Stefan Weil <weil@mail.berlios.de> Signed-off-by: Alexander Graf <agraf@suse.de>
2011-06-03target-s390x: Fix duplicate call of tcg_temp_new_i64Stefan Weil
tmp2 = tcg_temp_new_i64() is already executed unconditionally, so there is no need to call it a second time for 64 bit hosts. Signed-off-by: Stefan Weil <weil@mail.berlios.de> Signed-off-by: Alexander Graf <agraf@suse.de>
2011-06-03target-s390x: Fix wrong argument in call of tcg_gen_shl_i64()Stefan Weil
tcg_gen_shl_i64 needs a 3rd argument of type TCGv_i64. Set tmp4 so it can be used here. v2: Don't call tcg_const_i64() inside of the loop because it creates additional code. Signed-off-by: Stefan Weil <weil@mail.berlios.de> Signed-off-by: Alexander Graf <agraf@suse.de>
2011-06-03target-s390x: Fix build for non-linux hostsStefan Weil
linux/kvm.h is not always available for compilation. Neither linux/kvm.h nor kvm.h are needed, so remove both which also fixes the build problem for non-linux hosts. Cc: Alexander Graf <agraf@suse.de> Signed-off-by: Stefan Weil <weil@mail.berlios.de> Signed-off-by: Alexander Graf <agraf@suse.de>
2011-06-03s390x: update zipl romAlexander Graf
The zipl bootloader rom we have has seen some dramatic speedups upstream, so let's update it to improve the experience when booting a guest image. This binary is based on commit id 9a0842dd9823d529f721b418d554f17c72e009e3. Signed-off-by: Alexander Graf <agraf@suse.de>
2011-06-01audio: fix integer overflow expressionJuha Riihim?ki
Fix an integer overflow that can happen for signed 32 bit types when using FLOAT_MIXENG. (Note that at the moment this is only true when using the MacOSX coreaudio audio driver.) Signed-off-by: Juha Riihim?ki <juha.riihimaki@nokia.com> [Peter Maydell: Removed unnecessary casts] Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: malc <av1474@comtv.ru>
2011-05-31Merge remote-tracking branch 'stefanha/trivial-patches' into stagingAnthony Liguori
2011-05-31Merge remote-tracking branch 'amit/for-anthony' into stagingAnthony Liguori
2011-05-31Merge remote-tracking branch 'bonzini/scsi.2' into stagingAnthony Liguori
Conflicts: hw/usb-msd.c
2011-05-31Merge remote-tracking branch 'kraxel/usb.14.pull' into stagingAnthony Liguori
2011-05-29Fix spelling in comment (additon -> addition)Stefan Weil
Signed-off-by: Stefan Weil <weil@mail.berlios.de> Signed-off-by: Stefan Hajnoczi <stefanha@linux.vnet.ibm.com>
2011-05-29pflash_cfi02: Fix a typo in debug code (TARGET_FMT_pld -> TARGET_FMT_plx)Stefan Weil
Thanks to Tobias Hoffmann <th55@gmx.de> for this patch. Signed-off-by: Stefan Weil <weil@mail.berlios.de> Signed-off-by: Stefan Hajnoczi <stefanha@linux.vnet.ibm.com>
2011-05-28bitbang_i2c: Fix spurious slave read after NACKMarcus Comstedt
After NACKing a read operation, a raising SCL should not trigger a new read from the slave. Introduce a new state which just waits for a stop or start condition after NACK. Signed-off-by: Marcus Comstedt <marcus@mc.pp.se> Signed-off-by: Andrzej Zaborowski <andrew.zaborowski@intel.com>
2011-05-28Move user emulator stuff from cpu-exec.c to user-exec.cBlue Swirl
Simplify cpu-exec.c by refactoring. Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2011-05-28cpu-exec: prepare for user and softmmu splitBlue Swirl
There is little in common with user and softmmu versions of cpu_resume_signal(), split them. Fix coding style for the user emulator part. Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2011-05-27virtio-console: Simplify init callbacksMarkus Armbruster
Signed-off-by: Markus Armbruster <armbru@redhat.com> Signed-off-by: Amit Shah <amit.shah@redhat.com>
2011-05-27virtio-serial: Drop redundant VirtIOSerialPort member infoMarkus Armbruster
Signed-off-by: Markus Armbruster <armbru@redhat.com> Signed-off-by: Amit Shah <amit.shah@redhat.com>
2011-05-27virtio-serial: Drop useless property is_consoleMarkus Armbruster
All you could ever achieve with it is break stuff, so removing it should be safe. Signed-off-by: Markus Armbruster <armbru@redhat.com> Signed-off-by: Amit Shah <amit.shah@redhat.com>
2011-05-27virtio-serial: Clean up virtconsole detectionMarkus Armbruster
virtio-serial-bus needs to treat "virtconsole" devices specially. It uses VirtIOSerialPort member is_console to recognize them. It gets its value via property initialization. Cute hack, except it lets users mess with it: "-device virtconsole,is_console=0" isn't plugged into port 0 as it should. Move the flag to VirtIOSerialPortInfo. Keep the property for backward compatibility; its value has no effect. Signed-off-by: Markus Armbruster <armbru@redhat.com> Signed-off-by: Amit Shah <amit.shah@redhat.com>
2011-05-27virtio-serial: Plug memory leak on qdev exit()Markus Armbruster
virtio_serial_init() allocates the VirtIOSerialBus dynamically, but virtio_serial_exit() doesn't free it. Fix by getting rid of the allocation. Signed-off-by: Markus Armbruster <armbru@redhat.com> Signed-off-by: Amit Shah <amit.shah@redhat.com>
2011-05-27virtio-serial-bus: use bh for unthrottlingAlon Levy
Instead of calling flush_queued_data when unthrottling, schedule a bh. That way we can return immediately to the caller, and the flush uses the same call path as a have_data for callbackee. No migration change is required because bh are called from vm_stop. Signed-off-by: Alon Levy <alevy@redhat.com> Signed-off-by: Amit Shah <amit.shah@redhat.com>
2011-05-26scsi: ignore LUN field in the CDBPaolo Bonzini
The LUN field in the CDB is a historical relic. Ignore it as reserved, which is what modern SCSI specifications actually say. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Reviewed-by: Christoph Hellwig <hch@lst.de>
2011-05-26scsi: rename arguments to the new callbacksPaolo Bonzini
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Cc: Christoph Hellwig <hch@lst.de>
2011-05-26scsi: split command_complete callback in twoPaolo Bonzini
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Cc: Christoph Hellwig <hch@lst.de>
2011-05-26esp: rename sense to statusPaolo Bonzini
This mirrors the LSI patch that was recently committed. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Cc: Christoph Hellwig <hch@lst.de>
2011-05-26scsi-generic: Handle queue fullPaolo Bonzini
The sg driver currently has a hardcoded limit of commands it can handle simultaneously. When this limit is reached the driver will return -EDOM. So we need to capture this to enable proper return values here. Signed-off-by: Hannes Reinecke <hare@suse.de> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Reviewed-by: Christoph Hellwig <hch@lst.de>
2011-05-26scsi: make write_data return voidPaolo Bonzini
The return value is unused anyway. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Reviewed-by: Christoph Hellwig <hch@lst.de>
2011-05-26scsi-disk: add data direction checkingHannes Reinecke
scsi_req_parse() already provides for a data direction setting, so we should be using it to check for correct direction. And we should return the sense code 'INVALID FIELD IN CDB' in these cases. Signed-off-by: Hannes Reinecke <hare@suse.de> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Reviewed-by: Christoph Hellwig <hch@lst.de>
2011-05-26scsi: Implement 'get_sense' callbackHannes Reinecke
The get_sense callback copies existing sense information into the provided buffer. This is required if sense information should be transferred together with the command response. Signed-off-by: Hannes Reinecke <hare@suse.de> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Reviewed-by: Christoph Hellwig <hch@lst.de>
2011-05-26scsi: introduce scsi_req_get_bufPaolo Bonzini
... and remove some SCSIDevice variables or fields that now become unused. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Reviewed-by: Christoph Hellwig <hch@lst.de>
2011-05-26scsi: introduce scsi_req_continuePaolo Bonzini
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Cc: Christoph Hellwig <hch@lst.de>
2011-05-26scsi: introduce scsi_req_newPaolo Bonzini
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Reviewed-by: Christoph Hellwig <hch@lst.de>
2011-05-26scsi: do not call send_command directlyPaolo Bonzini
Move the common part of scsi-disk.c and scsi-generic.c to the SCSI layer. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Reviewed-by: Christoph Hellwig <hch@lst.de>
2011-05-26scsi: Update sense code handlingHannes Reinecke
The SCSI spec has a quite detailed list of sense codes available. It even mandates the use of specific ones for some failure cases. The current implementation just has one type of generic error which is actually a violation of the spec in certain cases. This patch introduces various predefined sense codes to have the sense code reporting more in line with the spec. On top of Hannes's patch I fixed the reply to REQUEST SENSE commands with DESC=0 and a small (<18) length. Signed-off-by: Hannes Reinecke <hare@suse.de> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Reviewed-by: Christoph Hellwig <hch@lst.de>
2011-05-26scsi: use scsi_req_completePaolo Bonzini
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Reviewed-by: Christoph Hellwig <hch@lst.de>
2011-05-26scsi: introduce scsi_req_cancelPaolo Bonzini
This is for when the request must be dropped in the void, but still memory should be freed. To this end, the devices register a second callback in SCSIBusOps. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Reviewed-by: Christoph Hellwig <hch@lst.de>
2011-05-26scsi: introduce scsi_req_abortPaolo Bonzini
This covers the case of canceling a request's I/O and still completing it. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Reviewed-by: Christoph Hellwig <hch@lst.de>
2011-05-26scsi: commonize purging requestsPaolo Bonzini
The code for canceling requests upon reset is already the same. Clean it up and move it to scsi-bus.c. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Reviewed-by: Christoph Hellwig <hch@lst.de>
2011-05-26scsi: Use 'SCSIRequest' directlyHannes Reinecke
Currently the SCSIRequest structure is abstracted away and cannot accessed directly from the driver. This requires the handler to do a lookup on an abstract 'tag' which identifies the SCSIRequest structure. With this patch the SCSIRequest structure is exposed to the driver. This allows use to use it directly as an argument to the SCSIDeviceInfo callback functions and remove the lookup. A new callback function 'alloc_req' is introduced matching 'free req'; unref'ing to free up resources after use is moved into the scsi_command_complete callbacks. This temporarily introduces a leak of requests that are cancelled, when they are removed from the queue and not from the driver. This is fixed later by introducing scsi_req_cancel. That patch in turn depends on this one, because the argument to scsi_req_cancel is a SCSIRequest. Signed-off-by: Hannes Reinecke <hare@suse.de> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Reviewed-by: Christoph Hellwig <hch@lst.de>
2011-05-26lsi: extract lsi_find_by_tagPaolo Bonzini
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Reviewed-by: Christoph Hellwig <hch@lst.de>
2011-05-26scsi: reference-count requestsPaolo Bonzini
With the next patch, a device may hold SCSIRequest for an indefinite time. Split a rather big patch, and protect against access errors, by reference counting them. There is some ugliness in scsi_send_command implementation due to the need to unref the request when it fails. This will go away with the next patches, which move the unref'ing to the devices. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Cc: Christoph Hellwig <hch@lst.de>
2011-05-26scsi-generic: do not use a stale aiocbPaolo Bonzini
If a request is canceled after it has been completed, scsi_cancel_io would pass a stale aiocb to bdrv_aio_cancel. Avoid this. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Cc: Christoph Hellwig <hch@lst.de>
2011-05-26scsi: introduce SCSIBusOpsPaolo Bonzini
There are more operations than a SCSI bus can handle, besides completing commands. One example, which this series will introduce, is cleaning up after a request is cancelled. More long term, a "SCSI bus" can represent the LUNs attached to a target; in this case, while all commands will ultimately reach a logical unit, it is the target who is in charge of answering REPORT LUNs. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Cc: Christoph Hellwig <hch@lst.de>
2011-05-26scsi: introduce scsi_req_dataPaolo Bonzini
This abstracts calling the command_complete callback, reducing churn in the following patches. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Reviewed-by: Christoph Hellwig <hch@lst.de>
2011-05-26scsi-generic: Remove bogus double completePaolo Bonzini
scsi-generic scsi_read_complete() should not -both- call the client complete callback with SCSI_REASON_DATA -and- call scsi_command_complete(). The former will cause the client to queue a new read or write request, while the later will free the request data structure, thus causing the new read or write request to use a freed/stale structure when it completes. This patch fixes the bug, fixing a crash with scsi-generic & RHEL5.5 installer. Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org> Cc: David Gibson <david@gibson.dropbear.id.au> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Reviewed-by: Christoph Hellwig <hch@lst.de>
2011-05-26scsi: add tracing of scsi requestsPaolo Bonzini
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Reviewed-by: Christoph Hellwig <hch@lst.de>
2011-05-26usb: add ehci adapterGerd Hoffmann
This patch finally merges the EHCI host adapter aka USB 2.0 support. Based on the ehci bits collected @ git://git.kiszka.org/qemu.git ehci EHCI has a long out-of-tree history. Project was started by Mark Burkley, with contributions by Niels de Vos. David S. Ahern continued working on it. Kevin Wolf, Jan Kiszka and Vincent Palatin contributed bugfixes. /me (Gerd Hoffmann) picked it up where it left off, prepared the code for merge, fixed a few bugs and added basic user docs. Cc: David S. Ahern <daahern@cisco.com> Cc: Jan Kiszka <jan.kiszka@web.de> Cc: Kevin Wolf <mail@kevin-wolf.de> Cc: Vincent Palatin <vincent.palatin_qemu@m4x.org> Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2011-05-26usb: move cancel callback to USBDeviceInfoGerd Hoffmann
Remove the cancel callback from the USBPacket struct, move it over to USBDeviceInfo. Zap usb_defer_packet() which is obsolete now. Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2011-05-26usb: keep track of packet owner.Gerd Hoffmann
Keep track of the device which owns the usb packet for async processing. Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
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