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2016-09-29Merge remote-tracking branch 'remotes/stefanha/tags/tracing-pull-request' ↵Peter Maydell
into staging # gpg: Signature made Wed 28 Sep 2016 22:30:45 BST # gpg: using RSA key 0x9CA4ABB381AB73C8 # gpg: Good signature from "Stefan Hajnoczi <stefanha@redhat.com>" # gpg: aka "Stefan Hajnoczi <stefanha@gmail.com>" # Primary key fingerprint: 8695 A8BF D3F9 7CDA AC35 775A 9CA4 ABB3 81AB 73C8 * remotes/stefanha/tags/tracing-pull-request: trace: Document the execution mode of guest events trace: Add event "guest_cpu_reset" trace: Add event "guest_cpu_enter" trace: Properly initialize dynamic event states in hot-plugged vCPUs trace: move hw/virtio/virtio-balloon.c trace points into correct file trace: move hw/mem/pc-dimm.c trace points into correct file trace: move util/qemu-coroutine*.c trace points into correct file trace: move util/buffer.c trace points into correct file Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2016-09-28Merge remote-tracking branch 'remotes/bonzini/tags/for-upstream' into stagingPeter Maydell
* thread-safe tb_flush (Fred, Alex, Sergey, me, Richard, Emilio,... :-) * license clarification for compiler.h (Felipe) * glib cflags improvement (Marc-André) * checkpatch silencing (Paolo) * SMRAM migration fix (Paolo) * Replay improvements (Pavel) * IOMMU notifier improvements (Peter) * IOAPIC now defaults to version 0x20 (Peter) # gpg: Signature made Tue 27 Sep 2016 10:57:40 BST # gpg: using RSA key 0xBFFBD25F78C7AE83 # gpg: Good signature from "Paolo Bonzini <bonzini@gnu.org>" # gpg: aka "Paolo Bonzini <pbonzini@redhat.com>" # Primary key fingerprint: 46F5 9FBD 57D6 12E7 BFD4 E2F7 7E15 100C CD36 69B1 # Subkey fingerprint: F133 3857 4B66 2389 866C 7682 BFFB D25F 78C7 AE83 * remotes/bonzini/tags/for-upstream: (28 commits) replay: allow replay stopping and restarting replay: vmstate for replay module replay: move internal data to the structure cpus-common: lock-free fast path for cpu_exec_start/end tcg: Make tb_flush() thread safe cpus-common: Introduce async_safe_run_on_cpu() cpus-common: simplify locking for start_exclusive/end_exclusive cpus-common: remove redundant call to exclusive_idle() cpus-common: always defer async_run_on_cpu work items docs: include formal model for TCG exclusive sections cpus-common: move exclusive work infrastructure from linux-user cpus-common: fix uninitialized variable use in run_on_cpu cpus-common: move CPU work item management to common code cpus-common: move CPU list management to common code linux-user: Add qemu_cpu_is_self() and qemu_cpu_kick() linux-user: Use QemuMutex and QemuCond cpus: Rename flush_queued_work() cpus: Move common code out of {async_, }run_on_cpu() cpus: pass CPUState to run_on_cpu helpers build-sys: put glib_cflags in QEMU_CFLAGS ... Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2016-09-28trace: move hw/virtio/virtio-balloon.c trace points into correct fileDaniel P. Berrange
The trace points for hw/virtio/virtio-balloon.c were mistakenly put in the top level trace-events file, instead of util/trace-events in commit 270ab88f7c1112389a02cee0e3e03b20fcc7547e Author: Daniel P. Berrange <berrange@redhat.com> Date: Thu Jun 16 09:39:57 2016 +0100 trace: split out trace events for hw/virtio/ directory Signed-off-by: Daniel P. Berrange <berrange@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com> Message-id: 1473872624-23285-5-git-send-email-berrange@redhat.com Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2016-09-28trace: move hw/mem/pc-dimm.c trace points into correct fileDaniel P. Berrange
The trace points for hw/mem/pc-dimm.c were mistakenly put in the hw/i386/trace-events file, instead of hw/mem/trace-events in commit 5eb76e480b42206d3640c1aab8a376ba350f70bb Author: Daniel P. Berrange <berrange@redhat.com> Date: Thu Jun 16 09:40:10 2016 +0100 trace: split out trace events for hw/i386/ directory Signed-off-by: Daniel P. Berrange <berrange@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com> Message-id: 1473872624-23285-4-git-send-email-berrange@redhat.com Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2016-09-28Merge remote-tracking branch 'remotes/kraxel/tags/pull-input-20160928-1' ↵Peter Maydell
into staging input queue: ps2 kbd cleanups and improvements # gpg: Signature made Wed 28 Sep 2016 13:52:16 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-20160928-1: ps2: do not generate invalid key codes for unknown keys ps2: use QEMU qcodes instead of scancodes ps2: allow keycode translation for all scancode sets ps2: correctly handle 'get/set scancode' command ps2: reject unknown commands, instead of blindly accepting them Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2016-09-28ps2: do not generate invalid key codes for unknown keysHervé Poussineau
Instead, print a warning message. Signed-off-by: Hervé Poussineau <hpoussin@reactos.org> Message-id: 1473969987-5890-6-git-send-email-hpoussin@reactos.org Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2016-09-28ps2: use QEMU qcodes instead of scancodesHervé Poussineau
This fixes problems with translated set 1, where most make code were wrong. This fixes problems with set 3 for extended keys (like arrows) and lot of other keys. Added a FIXME for set 3, where most keys must not (by default) deliver a break code. Detailed list of changes on untranslated set 2: - change of ALTGR break code from 0xe4 to 0xf0 0x08 - change of ALTGR_R break code from 0xe0 0xe4 to 0xe0 0xf0 0x08 - change of F7 make code from 0x02 to 0x83 - change of F7 break code from 0xf0 0x02 to 0xf0 0x83 - change of PRINT make code from 0xe0 0x7c to 0xe0 0x12 0xe0 0x7c - change of PRINT break code from 0xe0 0xf0 0x7c to 0xe0 0xf0 0x7c 0xe0 0xf0 0x12 - change of PAUSE key: new make code = old make code + old break code, no more break code - change on RO break code from 0xf3 to 0xf0 0x51 - change on KP_COMMA break code from 0xfe to 0xf0 0x6d Detailed list of changes on translated set 2 (the most commonly used): - change of PRINT make code from 0xe0 0x37 to 0xe0 0x2a 0xe0 0x37 - change of PRINT break code from 0xe0 0xb7 to 0xe0 0xb7 0xe0 0xaa - change of PAUSE key: new make code = old make code + old break code, no more break code Reference: http://www.computer-engineering.org/ps2keyboard/scancodes1.html http://www.computer-engineering.org/ps2keyboard/scancodes2.html http://www.computer-engineering.org/ps2keyboard/scancodes3.html Signed-off-by: Hervé Poussineau <hpoussin@reactos.org> Message-id: 1473969987-5890-5-git-send-email-hpoussin@reactos.org Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2016-09-28ps2: allow keycode translation for all scancode setsHervé Poussineau
Change ps2_put_keycode to get an untranslated scancode, which is translated if needed. As qemu_input_key_value_to_scancode() gives translated scancodes, untranslate them in ps2_keyboard_event first before giving them to ps2_put_keycode. Results are not changed, except for some keys in translated set 3. Translation table is available at https://www.win.tue.nl/~aeb/linux/kbd/scancodes-10.html Signed-off-by: Hervé Poussineau <hpoussin@reactos.org> Message-id: 1473969987-5890-4-git-send-email-hpoussin@reactos.org Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2016-09-28ps2: correctly handle 'get/set scancode' commandHervé Poussineau
When getting scancode, current scancode must be preceded from reply ack. When setting scancode, we must reject invalid scancodes. Signed-off-by: Hervé Poussineau <hpoussin@reactos.org> Message-id: 1473969987-5890-3-git-send-email-hpoussin@reactos.org Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2016-09-28ps2: reject unknown commands, instead of blindly accepting themHervé Poussineau
Signed-off-by: Hervé Poussineau <hpoussin@reactos.org> Message-id: 1473969987-5890-2-git-send-email-hpoussin@reactos.org Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2016-09-27qdisk - hw/block/xen_disk: grant copy implementationPaulina Szubarczyk
Copy data operated on during request from/to local buffers to/from the grant references. Before grant copy operation local buffers must be allocated what is done by calling ioreq_init_copy_buffers. For the 'read' operation, first, the qemu device invokes the read operation on local buffers and on the completion grant copy is called and buffers are freed. For the 'write' operation grant copy is performed before invoking write by qemu device. A new value 'feature_grant_copy' is added to recognize when the grant copy operation is supported by a guest. Signed-off-by: Paulina Szubarczyk <paulinaszubarczyk@gmail.com> Reviewed-by: Stefano Stabellini <sstabellini@kernel.org> Acked-by: Anthony PERARD <anthony.perard@citrix.com> Acked-by: Roger Pau Monné <roger.pau@citrix.com>
2016-09-27sysbus: Remove ignored return value of FindSysbusDeviceFuncDavid Gibson
Functions of type FindSysbusDeviceFunc currently return an integer. However, this return value is always ignored by the caller in find_sysbus_device(). This changes the function type to return void, to avoid confusion over the function semantics. Signed-off-by: David Gibson <david@gibson.dropbear.id.au> Reviewed-by: Eduardo Habkost <ehabkost@redhat.com> Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
2016-09-27cpus: pass CPUState to run_on_cpu helpersAlex Bennée
CPUState is a fairly common pointer to pass to these helpers. This means if you need other arguments for the async_run_on_cpu case you end up having to do a g_malloc to stuff additional data into the routine. For the current users this isn't a massive deal but for MTTCG this gets cumbersome when the only other parameter is often an address. This adds the typedef run_on_cpu_func for helper functions which has an explicit CPUState * passed as the first parameter. All the users of run_on_cpu and async_run_on_cpu have had their helpers updated to use CPUState where available. Signed-off-by: Alex Bennée <alex.bennee@linaro.org> [Sergey Fedorov: - eliminate more CPUState in user data; - remove unnecessary user data passing; - fix target-s390x/kvm.c and target-s390x/misc_helper.c] Signed-off-by: Sergey Fedorov <sergey.fedorov@linaro.org> Acked-by: David Gibson <david@gibson.dropbear.id.au> (ppc parts) Reviewed-by: Christian Borntraeger <borntraeger@de.ibm.com> (s390 parts) Signed-off-by: Alex Bennée <alex.bennee@linaro.org> Message-Id: <1470158864-17651-3-git-send-email-alex.bennee@linaro.org> Reviewed-by: Richard Henderson <rth@twiddle.net> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2016-09-27x86: ioapic: boost default version to 0x20Peter Xu
It's 2.8 now, and maybe it's time to switch IOAPIC default version to 0x20. Signed-off-by: Peter Xu <peterx@redhat.com> Message-Id: <1474608795-23058-1-git-send-email-peterx@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2016-09-27intel_iommu, amd_iommu: allow UNMAP notifiersPeter Xu
x86 vIOMMUs still lack of a complete IOMMU notifier mechanism. Before that is achieved, let's open a door for vhost DMAR support, which only requires cache invalidations (UNMAP operations). Meanwhile, convert hw_error() to error_report() and exit(1), to make the error messages cleaner and obvious (no CPU registers will be dumped). Reviewed-by: David Gibson <david@gibson.dropbear.id.au> Signed-off-by: Peter Xu <peterx@redhat.com> Message-Id: <1474606948-14391-4-git-send-email-peterx@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2016-09-27imx_fec: fix error in qemu_send_packet argumentPaolo Bonzini
This uses the wrong frame size for packets composed of multiple descriptors. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Signed-off-by: Jason Wang <jasowang@redhat.com>
2016-09-27mcf_fec: fix error in qemu_send_packet argumentPaolo Bonzini
This uses the wrong frame size for packets composed of multiple descriptors. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Signed-off-by: Jason Wang <jasowang@redhat.com>
2016-09-27net: mcf: limit buffer descriptor countPrasad J Pandit
ColdFire Fast Ethernet Controller uses buffer descriptors to manage data flow to/fro receive & transmit queues. While transmitting packets, it could continue to read buffer descriptors if a buffer descriptor has length of zero and has crafted values in bd.flags. Set upper limit to number of buffer descriptors. Reported-by: Li Qiang <liqiang6-s@360.cn> Signed-off-by: Prasad J Pandit <pjp@fedoraproject.org> Reviewed-by: Paolo Bonzini <pbonzini@redhat.com> Signed-off-by: Jason Wang <jasowang@redhat.com>
2016-09-27e1000e: Fix EIAC register implementationDmitry Fleytman
This patch fixes 2 issues: 1. Bits set in EIAC register should be cleared from IMS when EIAM is not used. 2. Only bit that corresonds to the interrupt being raised should be cleared. See spec. 10.2.4.7 Interrupt Auto Clear Signed-off-by: Dmitry Fleytman <dmitry@daynix.com> Signed-off-by: Jason Wang <jasowang@redhat.com>
2016-09-27e1000e: Fix spurious RX TCP ACK interruptsDmitry Fleytman
Do not raise ACK interrupts when RFCTL.ACKDIS bit is set (see spec. 10.2.5.16). Signed-off-by: Dmitry Fleytman <dmitry@daynix.com> Signed-off-by: Jason Wang <jasowang@redhat.com>
2016-09-27e1000e: Fix OTHER interrupts processing for MSI-XDmitry Fleytman
Interrupt mask for legacy OTHER causes should not apply to MSI-X OTHER cause. Signed-off-by: Dmitry Fleytman <dmitry@daynix.com> Signed-off-by: Jason Wang <jasowang@redhat.com>
2016-09-27e1000e: Fix PBACLR implementationDmitry Fleytman
This patch fixes incorrect check for interrypt type being used. PBSCLR register is valid for MSI-X only. See spec. 10.2.3.13 MSI—X PBA Clear Signed-off-by: Dmitry Fleytman <dmitry@daynix.com> Signed-off-by: Jason Wang <jasowang@redhat.com>
2016-09-27e1000e: Fix CTRL_EXT.EIAME behaviorDmitry Fleytman
CTRL_EXT.EIAME bit controls clearing of IAM bits, but current code clears IMS bits instead. See spec. 10.2.2.5 Extended Device Control Register. Signed-off-by: Dmitry Fleytman <dmitry@daynix.com> Signed-off-by: Jason Wang <jasowang@redhat.com>
2016-09-27e1000e: Flush receive queues on link upDmitry Fleytman
Signed-off-by: Dmitry Fleytman <dmitry@daynix.com> Signed-off-by: Jason Wang <jasowang@redhat.com>
2016-09-27e1000e: Flush all receive queues on receive enableDmitry Fleytman
Before this patch first netdev queue only was flushed. Signed-off-by: Dmitry Fleytman <dmitry@daynix.com> Signed-off-by: Jason Wang <jasowang@redhat.com>
2016-09-27e1000: fix buliding complaintGonglei
hw/net/e1000e_core.c:56: warning: e1000e_set_interrupt_cause declared inline after being called hw/net/e1000e_core.c:56: warning: previous declaration of e1000e_set_interrupt_cause was here Signed-off-by: Gonglei <arei.gonglei@huawei.com> Reviewed-by: Dmitry Fleytman <dmitry@daynix.com> Signed-off-by: Jason Wang <jasowang@redhat.com>
2016-09-27virtio-net: allow increasing rx queue sizeMichael S. Tsirkin
This allows increasing the rx queue size up to 1024: unlike with tx, guests don't put in huge S/G lists into RX so the risk of running into the max 1024 limitation due to some off-by-one seems small. It's helpful for users like OVS-DPDK which don't do any buffering on the host - 1K roughly matches 500 entries in tun + 256 in the current rx queue, which seems to work reasonably well. We could probably make do with ~750 entries but virtio spec limits us to powers of two. It might be a good idea to specify an s/g size limit in a future version. It also might be possible to make the queue size smaller down the road, 64 seems like the minimal value which will still work (as guests seem to assume a queue full of 1.5K buffers is enough to process the largest incoming packet, which is ~64K). No one actually asked for this, and with virtio 1 guests can reduce ring size without need for host configuration, so don't bother with this for now. Cc: Cornelia Huck <cornelia.huck@de.ibm.com> Cc: Jason Wang <jasowang@redhat.com> Suggested-by: Patrik Hermansson <phermansson@gmail.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com> Reviewed-by: Cornelia Huck <cornelia.huck@de.ibm.com> Signed-off-by: Jason Wang <jasowang@redhat.com>
2016-09-27memory: introduce IOMMUOps.notify_flag_changedPeter Xu
The new interface can be used to replace the old notify_started() and notify_stopped(). Meanwhile it provides explicit flags so that IOMMUs can know what kind of notifications it is requested for. Acked-by: David Gibson <david@gibson.dropbear.id.au> Signed-off-by: Peter Xu <peterx@redhat.com> Message-Id: <1474606948-14391-3-git-send-email-peterx@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2016-09-27memory: introduce IOMMUNotifier and its capsPeter Xu
IOMMU Notifier list is used for notifying IO address mapping changes. Currently VFIO is the only user. However it is possible that future consumer like vhost would like to only listen to part of its notifications (e.g., cache invalidations). This patch introduced IOMMUNotifier and IOMMUNotfierFlag bits for a finer grained control of it. IOMMUNotifier contains a bitfield for the notify consumer describing what kind of notification it is interested in. Currently two kinds of notifications are defined: - IOMMU_NOTIFIER_MAP: for newly mapped entries (additions) - IOMMU_NOTIFIER_UNMAP: for entries to be removed (cache invalidates) When registering the IOMMU notifier, we need to specify one or multiple types of messages to listen to. When notifications are triggered, its type will be checked against the notifier's type bits, and only notifiers with registered bits will be notified. (For any IOMMU implementation, an in-place mapping change should be notified with an UNMAP followed by a MAP.) Signed-off-by: Peter Xu <peterx@redhat.com> Message-Id: <1474606948-14391-2-git-send-email-peterx@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2016-09-24hw/i386: AMD IOMMU IVRS tableDavid Kiarie
Add IVRS table for AMD IOMMU. Generate IVRS or DMAR depending on emulated IOMMU. Signed-off-by: David Kiarie <davidkiarie4@gmail.com> Reviewed-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2016-09-24hw/i386: Introduce AMD IOMMUDavid Kiarie
Add AMD IOMMU emulaton to Qemu in addition to Intel IOMMU. The IOMMU does basic translation, error checking and has a minimal IOTLB implementation. This IOMMU bypassed the need for target aborts by responding with IOMMU_NONE access rights and exempts the region 0xfee00000-0xfeefffff from translation as it is the q35 interrupt region. We advertise features that are not yet implemented to please the Linux IOMMU driver. IOTLB aims at implementing commands on real IOMMUs which is essential for debugging and may not offer any performance benefits Signed-off-by: David Kiarie <davidkiarie4@gmail.com> Reviewed-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2016-09-23hw/i386/trace-events: Add AMD IOMMU trace eventsDavid Kiarie
Signed-off-by: David Kiarie <davidkiarie4@gmail.com> Reviewed-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2016-09-23virtio: handle virtqueue_get_head() errorsStefan Hajnoczi
Stop processing the vring if virtqueue_get_head() fetches an out-of-bounds head index. Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com> Reviewed-by: Cornelia Huck <cornelia.huck@de.ibm.com> Reviewed-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com> Reviewed-by: Cornelia Huck <cornelia.huck@de.ibm.com>
2016-09-23virtio: handle virtqueue_num_heads() errorsStefan Hajnoczi
If the avail ring index is bogus virtqueue_num_heads() must return -EINVAL. The only caller is virtqueue_get_avail_bytes(). Return saying no bytes are available when virtqueue_num_heads() fails. Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com> Reviewed-by: Cornelia Huck <cornelia.huck@de.ibm.com> Reviewed-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com> Reviewed-by: Cornelia Huck <cornelia.huck@de.ibm.com>
2016-09-23virtio: handle virtqueue_read_next_desc() errorsStefan Hajnoczi
Stop processing the vring if an avail ring index is invalid. Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com> Reviewed-by: Cornelia Huck <cornelia.huck@de.ibm.com> Reviewed-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com> Reviewed-by: Cornelia Huck <cornelia.huck@de.ibm.com>
2016-09-23virtio: use unsigned int for virtqueue_get_avail_bytes() indexStefan Hajnoczi
The virtio code uses int, unsigned int, and uint16_t for virtqueue indices. The uint16_t is used for the low-level descriptor layout in virtio_ring.h while code that isn't concerned with descriptor layout can use unsigned int. Use of int is problematic because it can result in signed/unsigned comparison and incompatible int*/unsigned int* pointer types. Make the virtqueue_get_avail_bytes() 'i' variable unsigned int. This eliminates the need to introduce casts and modify code further in the patches that follow. Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com> Reviewed-by: Cornelia Huck <cornelia.huck@de.ibm.com> Reviewed-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com> Reviewed-by: Cornelia Huck <cornelia.huck@de.ibm.com>
2016-09-23virtio: handle virtqueue_get_avail_bytes() errorsStefan Hajnoczi
If the vring is invalid, tell the caller no bytes are available and mark the device broken. Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com> Reviewed-by: Cornelia Huck <cornelia.huck@de.ibm.com> Reviewed-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com> Reviewed-by: Cornelia Huck <cornelia.huck@de.ibm.com>
2016-09-23virtio: handle virtqueue_map_desc() errorsStefan Hajnoczi
Errors can occur during virtqueue_pop(), especially in virtqueue_map_desc(). In order to handle this we must unmap iov[] before returning NULL. The caller will consider the virtqueue empty and the virtio_error() call will have marked the device broken. Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com> Reviewed-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2016-09-23virtio: migrate vdev->broken flagStefan Hajnoczi
Send a subsection if the vdev->broken flag is set. This allows live migration of broken virtio devices. The subsection is only sent if vdev->broken has been set. In most cases the flag will be clear and no subsection will be sent. Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com> Reviewed-by: Cornelia Huck <cornelia.huck@de.ibm.com> Reviewed-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com> Reviewed-by: Cornelia Huck <cornelia.huck@de.ibm.com>
2016-09-23virtio: stop virtqueue processing if device is brokenStefan Hajnoczi
QEMU prints an error message and exits when the device enters an invalid state. Terminating the process is heavy-handed. The guest may still be able to function even if there is a bug in a virtio guest driver. Moreover, exiting is a bug in nested virtualization where a nested guest could DoS other nested guests by killing a pass-through virtio device. I don't think this configuration is possible today but it is likely in the future. If the broken flag is set, do not process virtqueues or write back used descriptors. The broken flag can be cleared again by resetting the device. Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com> Reviewed-by: Cornelia Huck <cornelia.huck@de.ibm.com> Reviewed-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com> Reviewed-by: Cornelia Huck <cornelia.huck@de.ibm.com>
2016-09-23virtio: fix stray tab characterStefan Hajnoczi
Fix a single occurrence of a tab character in a file that otherwise uses spaces for indentation. Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com> Reviewed-by: Fam Zheng <famz@redhat.com> Acked-by: Cornelia Huck <cornelia.huck@de.ibm.com> Reviewed-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com> Acked-by: Cornelia Huck <cornelia.huck@de.ibm.com>
2016-09-23virtio: add check for descriptor's mapped addressPrasad J Pandit
virtio back end uses set of buffers to facilitate I/O operations. If its size is too large, 'cpu_physical_memory_map' could return a null address. This would result in a null dereference while un-mapping descriptors. Add check to avoid it. Reported-by: Qinghao Tang <luodalongde@gmail.com> Signed-off-by: Prasad J Pandit <pjp@fedoraproject.org> Reviewed-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com> Reviewed-by: Laszlo Ersek <lersek@redhat.com>
2016-09-23Merge remote-tracking branch 'remotes/dgibson/tags/ppc-for-2.8-20160923' ↵Peter Maydell
into staging ppc patch queue 2016-09-23 This pull request supersedes ppc-for-2.8-20160922. There was a clang build error in that, and I've also added one extra patch in the new pull. Included in this set of ppc and spapr patches are: * TCG implementations for more POWER9 instructions * Some preliminary XICS fixes in preparataion for the pnv machine type * A significant ADB (Macintosh kbd/mouse) cleanup * Some conversions to use trace instead of debug macros * Fixes to correctly handle global TLB flush synchronization in TCG. This is already a bug, but it will have much more impact when we get MTTCG * Add more qtest testcases for Power * Some MAINTAINERS updates * Assorted bugfixes * Add the basics of NUMA associativity to the spapr PCI host bridge This touches some test files and monitor.c which are technically outside the ppc code, but coming through this tree because the changes are primarily of interest to ppc. # gpg: Signature made Fri 23 Sep 2016 08:14:47 BST # gpg: using RSA key 0x6C38CACA20D9B392 # gpg: Good signature from "David Gibson <david@gibson.dropbear.id.au>" # gpg: aka "David Gibson (Red Hat) <dgibson@redhat.com>" # gpg: aka "David Gibson (ozlabs.org) <dgibson@ozlabs.org>" # gpg: aka "David Gibson (kernel.org) <dwg@kernel.org>" # Primary key fingerprint: 75F4 6586 AE61 A66C C44E 87DC 6C38 CACA 20D9 B392 * remotes/dgibson/tags/ppc-for-2.8-20160923: (45 commits) spapr_pci: Add numa node id monitor: fix crash for platforms without a CPU 0 linux-user: ppc64: fix ARCH_206 bit in AT_HWCAP ppc/kvm: Mark 64kB page size support as disabled if not available ppc/xics: An ICS with offset 0 is assumed to be uninitialized ppc/xics: account correct irq status Enable H_CLEAR_MOD and H_CLEAR_REF hypercalls on KVM/PPC64. target-ppc: tlbie/tlbivax should have global effect target-ppc: add flag in check_tlb_flush() target-ppc: add TLB_NEED_LOCAL_FLUSH flag spapr: Introduce sPAPRCPUCoreClass target-ppc: implement darn instruction target-ppc: add stxsi[bh]x instruction target-ppc: add lxsi[bw]zx instruction target-ppc: add xxspltib instruction target-ppc: consolidate store conditional target-ppc: move out stqcx impementation target-ppc: consolidate load with reservation target-ppc: convert st[16,32,64]r to use new macro target-ppc: convert st64 to use new macro ... Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2016-09-23Merge remote-tracking branch 'remotes/famz/tags/various-pull-request' into ↵Peter Maydell
staging # gpg: Signature made Fri 23 Sep 2016 05:58:28 BST # gpg: using RSA key 0xCA35624C6A9171C6 # gpg: Good signature from "Fam Zheng <famz@redhat.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: 5003 7CB7 9706 0F76 F021 AD56 CA35 624C 6A91 71C6 * remotes/famz/tags/various-pull-request: (23 commits) docker: exec $CMD docker: Terminate instances at SIGTERM and SIGHUP docker: Support showing environment information docker: Print used options before doing configure docker: Flatten default target list in test-quick docker: Update fedora image to latest docker: Generate /packages.txt in ubuntu image docker: Generate /packages.txt in fedora image docker: Generate /packages.txt in centos6 image tests: Ignore test-uuid Add UUID files to MAINTAINERS tests: Add uuid tests uuid: Tighten uuid parse vl: Switch qemu_uuid to QemuUUID configure: Remove detection code for UUID tests: No longer dependent on CONFIG_UUID crypto: Switch to QEMU UUID API vpc: Use QEMU UUID API vdi: Use QEMU UUID API vhdx: Use QEMU UUID API ... Signed-off-by: Peter Maydell <peter.maydell@linaro.org> # Conflicts: # tests/Makefile.include
2016-09-23Merge remote-tracking branch 'remotes/bonzini/tags/for-upstream' into stagingPeter Maydell
* More KVM LAPIC fixes * fix divide-by-zero regression on libiscsi SG devices * fix qemu-char segfault * add scripts/show-fixed-bugs.sh # gpg: Signature made Thu 22 Sep 2016 19:20:57 BST # gpg: using RSA key 0xBFFBD25F78C7AE83 # gpg: Good signature from "Paolo Bonzini <bonzini@gnu.org>" # gpg: aka "Paolo Bonzini <pbonzini@redhat.com>" # Primary key fingerprint: 46F5 9FBD 57D6 12E7 BFD4 E2F7 7E15 100C CD36 69B1 # Subkey fingerprint: F133 3857 4B66 2389 866C 7682 BFFB D25F 78C7 AE83 * remotes/bonzini/tags/for-upstream: kvm: fix events.flags (KVM_VCPUEVENT_VALID_SMM) overwritten by 0 scripts: Add a script to check for bug URLs in the git log msmouse: Fix segfault caused by free the chr before chardev cleanup. iscsi: Fix divide-by-zero regression on raw SG devices kvm: apic: set APIC base as part of kvm_apic_put target-i386: introduce kvm_put_one_msr Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
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>
2016-09-23util: Add UUID APIFam Zheng
A number of different places across the code base use CONFIG_UUID. Some of them are soft dependency, some are not built if libuuid is not available, some come with dummy fallback, some throws runtime error. It is hard to maintain, and hard to reason for users. Since UUID is a simple standard with only a small number of operations, it is cleaner to have a central support in libqemuutil. This patch adds qemu_uuid_* functions that all uuid users in the code base can rely on. Except for qemu_uuid_generate which is new code, all other functions are just copy from existing fallbacks from other files. Note that qemu_uuid_parse is moved without updating the function signature to use QemuUUID, to keep this patch simple. Signed-off-by: Fam Zheng <famz@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com> Reviewed-by: Jeff Cody <jcody@redhat.com> Message-Id: <1474432046-325-2-git-send-email-famz@redhat.com>
2016-09-23spapr_pci: Add numa node idAlexey Kardashevskiy
This adds a numa id property to a PHB to allow linking passed PCI device to CPU/memory. It is up to the management stack to do CPU/memory pinning to the node with the actual PCI device. Signed-off-by: Alexey Kardashevskiy <aik@ozlabs.ru> [dwg: Renamed property from "node" to "numa_node" to match the similar one in the pxb device] Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
2016-09-23ppc/xics: account correct irq statusNikunj A Dadhania
Fix inconsistent irq status, because of this in the trace logs, for e.g. LSI status was 0x7, i.e. XICS_STATUS_ASSERTED, XICS_STATUS_SENT and XICS_STATUS_REJECTED all set, which did not make sense. So the REJECTED would have been set in earlier interrupt cycle, and then asserted and sent in this current one. Signed-off-by: Nikunj A Dadhania <nikunj@linux.vnet.ibm.com> Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
2016-09-23Enable H_CLEAR_MOD and H_CLEAR_REF hypercalls on KVM/PPC64.Nathan Whitehorn
These are mandatory per PAPR and available on Linux 4.3 and newer kernels. The calls in question are required to run FreeBSD guests with reasonable performance, so enable them if possible. Signed-off-by: Nathan Whitehorn <nwhitehorn@freebsd.org> [dwg: Added a stub to fix compile without KVM (e.g. on x86 host)] Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
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