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2018-02-09s390x/tcg: cache the qemu flic in a central functionDavid Hildenbrand
This avoids tons of conversions when handling interrupts. Signed-off-by: David Hildenbrand <david@redhat.com> Message-Id: <20180129125623.21729-17-david@redhat.com> Signed-off-by: Cornelia Huck <cohuck@redhat.com>
2018-02-09configure: s390x supports mttcg nowDavid Hildenbrand
s390x is ready. Most likely we are missing some pieces, but it should already be in pretty good shape now. Signed-off-by: David Hildenbrand <david@redhat.com> Message-Id: <20180129125623.21729-16-david@redhat.com> Signed-off-by: Cornelia Huck <cohuck@redhat.com>
2018-02-09s390x/tcg: remove SMP warningDavid Hildenbrand
We should be pretty good in shape now. Floating interrupts are working and atomic instructions should be atomic. Signed-off-by: David Hildenbrand <david@redhat.com> Message-Id: <20180129125623.21729-15-david@redhat.com> Signed-off-by: Cornelia Huck <cohuck@redhat.com>
2018-02-09s390x/tcg: STSI overhaulDavid Hildenbrand
Current STSI implementation is a mess, so let's rewrite it. Problems fixed by this patch: 1) The order of exceptions/when recognized is wrong. 2) We have to store to virtual address space, not absolute. 3) Alignment check of the block is missing. 3) The SMP information is not indicated. While at it: a) Make the code look nicer - get rid of nesting levels - use struct initialization instead of initializing to zero - rename a misspelled field and rename function code defines - use a union and have only one write statement - use cpu_to_beX() b) Indicate the VM name/extended name + UUID just like KVM does c) Indicate that all LPAR CPUs we fake are dedicated d) Add a comment why we fake being a KVM guest e) Give our guest as default the name "TCGguest" f) Fake the same CPU information we have in our Guest for all layers While at it, get rid of "potential_page_fault()" by forwarding the retaddr properly. The result is best verified by looking at "/proc/sysinfo" in the guest when specifying on the qemu command line -uuid "74738ff5-5367-5958-9aee-98fffdcd1876" \ -name "extra long guest name" Signed-off-by: David Hildenbrand <david@redhat.com> Message-Id: <20180129125623.21729-14-david@redhat.com> Signed-off-by: Cornelia Huck <cohuck@redhat.com>
2018-02-09s390x: fix size + content of STSI blocksDavid Hildenbrand
All blocks are 4k in size, which is only true for two of them right now. Also some reserved fields were wrong, fix it and convert all reserved fields to u8. This also fixes the LPAR part output in /proc/sysinfo under TCG. (for now, everything was indicated as 0) While at it, introduce typedefs for these structs and use them in TCG/KVM code. Reviewed-by: Thomas Huth <thuth@redhat.com> Signed-off-by: David Hildenbrand <david@redhat.com> Message-Id: <20180129125623.21729-13-david@redhat.com> Signed-off-by: Cornelia Huck <cohuck@redhat.com>
2018-02-09s390x/flic: optimize CPU wakeup for TCGDavid Hildenbrand
Kicking all CPUs on every floating interrupt is far from efficient. Let's optimize it at least a little bit. Signed-off-by: David Hildenbrand <david@redhat.com> Message-Id: <20180129125623.21729-12-david@redhat.com> Signed-off-by: Cornelia Huck <cohuck@redhat.com>
2018-02-09s390x/flic: implement qemu_s390_clear_io_flic()David Hildenbrand
Now that we have access to the io interrupts, we can implement clear_io_irq() for TCG. Signed-off-by: David Hildenbrand <david@redhat.com> Message-Id: <20180129125623.21729-11-david@redhat.com> Signed-off-by: Cornelia Huck <cohuck@redhat.com>
2018-02-09s390x/tcg: implement TEST PENDING INTERRUPTIONDavid Hildenbrand
Use s390_cpu_virt_mem_write() so we can actually revert what we did (re-inject the dequeued IO interrupt). Signed-off-by: David Hildenbrand <david@redhat.com> Message-Id: <20180129125623.21729-10-david@redhat.com> Signed-off-by: Cornelia Huck <cohuck@redhat.com>
2018-02-09s390x/flic: make floating interrupts on TCG actually floatingDavid Hildenbrand
Move floating interrupt handling into the flic. Floating interrupts will now be considered by all CPUs, not just CPU #0. While at it, convert I/O interrupts to use a list and make sure we properly consider I/O sub-classes in s390_cpu_has_io_int(). Signed-off-by: David Hildenbrand <david@redhat.com> Message-Id: <20180129125623.21729-9-david@redhat.com> Signed-off-by: Cornelia Huck <cohuck@redhat.com>
2018-02-09s390x/tcg: tolerate wrong wakeups due to floating interruptsDavid Hildenbrand
This is a preparation for floating interrupt support and only applies to MTTCG, single threaded TCG works just fine. If a floating interrupt wakes up a VCPU and the CPU thinks it can run (clearing cs->halted), at the point where the interrupt would be delivered, already another VCPU might have picked up the interrupt, resulting in a wakeup without an interrupt (executing wrong code). It is wrong to let the VCPU continue to execute (the WAIT PSW). Instead, we have to put the VCPU back to sleep. Signed-off-by: David Hildenbrand <david@redhat.com> Message-Id: <20180129125623.21729-8-david@redhat.com> Signed-off-by: Cornelia Huck <cohuck@redhat.com>
2018-02-09s390x/flic: no need to call s390_io_interrupt() from flicDavid Hildenbrand
We can directly call the right function. Suggested-by: Cornelia Huck <cohuck@redhat.com> Signed-off-by: David Hildenbrand <david@redhat.com> Message-Id: <20180129125623.21729-7-david@redhat.com> Signed-off-by: Cornelia Huck <cohuck@redhat.com>
2018-02-09s390x/flic: factor out injection of floating interruptsDavid Hildenbrand
Let the flic device handle it internally. This will allow us to later on store floating interrupts in the flic for the TCG case. This now also simplifies kvm.c. All that's left is the fallback interface for floating interrupts, which is now triggered directly via the flic in case anything goes wrong. Signed-off-by: David Hildenbrand <david@redhat.com> Message-Id: <20180129125623.21729-6-david@redhat.com> Signed-off-by: Cornelia Huck <cohuck@redhat.com>
2018-02-09s390x/tcg: simplify machine check handlingDavid Hildenbrand
We currently only support CRW machine checks. This is a preparation for real floating interrupt support. Get rid of the queue and handle it via the bit INTERRUPT_MCHK. We don't rename it for now, as it will be soon gone (when moving crw machine checks into the flic). Please note that this is the same way also KVM handles it: only one instance of a machine check can be pending at a time. So no need for a queue. While at it, make sure we try to deliver only if env->cregs[14] actually indicates that CRWs are accepted. Drop two unused defines on the way (we already have PSW_MASK_...). Signed-off-by: David Hildenbrand <david@redhat.com> Message-Id: <20180129125623.21729-5-david@redhat.com> Signed-off-by: Cornelia Huck <cohuck@redhat.com>
2018-02-09s390x/tcg: simplify lookup of flicDavid Hildenbrand
We can simply search for an object of our common type. Signed-off-by: David Hildenbrand <david@redhat.com> Message-Id: <20180129125623.21729-4-david@redhat.com> Signed-off-by: Cornelia Huck <cohuck@redhat.com>
2018-02-09s390x/flic: simplify flic initializationDavid Hildenbrand
This makes it clearer, which device is used for which accelerator. Reviewed-by: Christian Borntraeger <borntraeger@de.ibm.com> Signed-off-by: David Hildenbrand <david@redhat.com> Message-Id: <20180129125623.21729-3-david@redhat.com> Signed-off-by: Cornelia Huck <cohuck@redhat.com>
2018-02-09s390x/tcg: deliver multiple interrupts in a rowDavid Hildenbrand
We have to consider all deliverable interrupts. We now have to take care of the special scenario, where we first inject an interrupt with a WAIT PSW, followed by a !WAIT PSW. (very unlikely but possible) Signed-off-by: David Hildenbrand <david@redhat.com> Message-Id: <20180129125623.21729-2-david@redhat.com> Signed-off-by: Cornelia Huck <cohuck@redhat.com>
2018-02-09Fix configure for s390 qemu on alpine and other busybox environmentsAlice Frosi
In alpine docker image the qemu-system-s390x build is broken and it throws this error: qemu-system-s390x: Initialization of device s390-ipl failed: could not load bootloader 's390-ccw.img' The grep command of busybox uses regex. This fails on binary data (e.g. stops on every \0), so it does not identify the string BiGeNdIaN in the test case big/little. Therefore, it assumes that the architecture is little endian. This fix solves the grep problem by printing the content of TMPO with strings Signed-off-by: Alice Frosi <alice@linux.vnet.ibm.com> Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com> [some changes to patch description, add -a option to strings] Message-Id: <20180130133828.77336-2-borntraeger@de.ibm.com> Reviewed-by: Eric Blake <eblake@redhat.com> Signed-off-by: Cornelia Huck <cohuck@redhat.com>
2018-02-08Merge remote-tracking branch 'remotes/famz/tags/staging-pull-request' into ↵Peter Maydell
staging # gpg: Signature made Thu 08 Feb 2018 01:29:22 GMT # gpg: using RSA key CA35624C6A9171C6 # gpg: Good signature from "Fam Zheng <famz@redhat.com>" # Primary key fingerprint: 5003 7CB7 9706 0F76 F021 AD56 CA35 624C 6A91 71C6 * remotes/famz/tags/staging-pull-request: docs: Add docs/devel/testing.rst qapi: Add NVMe driver options to the schema docs: Add section for NVMe VFIO driver block: Move NVMe constants to a separate header qemu-img: Map bench buffer block/nvme: Implement .bdrv_(un)register_buf block: Introduce buf register API block: Add VFIO based NVMe driver util: Introduce vfio helpers stubs: Add stubs for ram block API curl: convert to CoQueue coroutine-lock: make qemu_co_enter_next thread-safe coroutine-lock: convert CoQueue to use QemuLockable lockable: add QemuLockable test-coroutine: add simple CoMutex test docker: change Fedora base image to fedora:27 Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2018-02-08Merge remote-tracking branch 'remotes/jnsnow/tags/bitmaps-pull-request' into ↵Peter Maydell
staging # gpg: Signature made Wed 07 Feb 2018 17:00:12 GMT # gpg: using RSA key 7DEF8106AAFC390E # gpg: Good signature from "John Snow (John Huston) <jsnow@redhat.com>" # Primary key fingerprint: FAEB 9711 A12C F475 812F 18F2 88A9 064D 1835 61EB # Subkey fingerprint: F9B7 ABDB BCAC DF95 BE76 CBD0 7DEF 8106 AAFC 390E * remotes/jnsnow/tags/bitmaps-pull-request: hbitmap: fix missing restore count when finish deserialization Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2018-02-08docs: Add docs/devel/testing.rstFam Zheng
To make our efforts on QEMU testing easier to consume by contributors, let's add a document. For example, Patchew reports build errors on patches that should be relatively easy to reproduce with a few steps, and it is much nicer if there is such a documentation that it can refer to. This focuses on how to run existing tests and how to write new test cases, without going into the frameworks themselves. The VM based testing section is moved from tests/vm/README which now is a single line pointing to the new doc. Signed-off-by: Fam Zheng <famz@redhat.com> Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com> Message-Id: <20180201022046.9425-1-famz@redhat.com> Signed-off-by: Fam Zheng <famz@redhat.com>
2018-02-08qapi: Add NVMe driver options to the schemaFam Zheng
Signed-off-by: Fam Zheng <famz@redhat.com> Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com> Message-Id: <20180116060901.17413-10-famz@redhat.com> Signed-off-by: Fam Zheng <famz@redhat.com>
2018-02-08docs: Add section for NVMe VFIO driverFam Zheng
Signed-off-by: Fam Zheng <famz@redhat.com> Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com> Message-Id: <20180116060901.17413-9-famz@redhat.com> Signed-off-by: Fam Zheng <famz@redhat.com>
2018-02-08block: Move NVMe constants to a separate headerFam Zheng
Signed-off-by: Fam Zheng <famz@redhat.com> Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com> Message-Id: <20180116060901.17413-8-famz@redhat.com> Signed-off-by: Fam Zheng <famz@redhat.com>
2018-02-08qemu-img: Map bench bufferFam Zheng
Signed-off-by: Fam Zheng <famz@redhat.com> Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com> Message-Id: <20180116060901.17413-7-famz@redhat.com> Signed-off-by: Fam Zheng <famz@redhat.com>
2018-02-08block/nvme: Implement .bdrv_(un)register_bufFam Zheng
Forward these two calls to the IOVA manager. Signed-off-by: Fam Zheng <famz@redhat.com> Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com> Message-Id: <20180116060901.17413-6-famz@redhat.com> Signed-off-by: Fam Zheng <famz@redhat.com>
2018-02-08block: Introduce buf register APIFam Zheng
Allow block driver to map and unmap a buffer for later I/O, as a performance hint. Signed-off-by: Fam Zheng <famz@redhat.com> Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com> Message-Id: <20180116060901.17413-5-famz@redhat.com> Signed-off-by: Fam Zheng <famz@redhat.com>
2018-02-08block: Add VFIO based NVMe driverFam Zheng
This is a new protocol driver that exclusively opens a host NVMe controller through VFIO. It achieves better latency than linux-aio by completely bypassing host kernel vfs/block layer. $rw-$bs-$iodepth linux-aio nvme:// ---------------------------------------- randread-4k-1 10.5k 21.6k randread-512k-1 745 1591 randwrite-4k-1 30.7k 37.0k randwrite-512k-1 1945 1980 (unit: IOPS) The driver also integrates with the polling mechanism of iothread. This patch is co-authored by Paolo and me. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Signed-off-by: Fam Zheng <famz@redhat.com> Message-Id: <20180116060901.17413-4-famz@redhat.com> Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com> Signed-off-by: Fam Zheng <famz@redhat.com>
2018-02-08util: Introduce vfio helpersFam Zheng
This is a library to manage the host vfio interface, which could be used to implement userspace device driver code in QEMU such as NVMe or net controllers. Signed-off-by: Fam Zheng <famz@redhat.com> Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com> Message-Id: <20180116060901.17413-3-famz@redhat.com> Signed-off-by: Fam Zheng <famz@redhat.com>
2018-02-08stubs: Add stubs for ram block APIFam Zheng
These functions will be wanted by block-obj-y but the actual definition is in obj-y, so stub them to keep the linker happy. Signed-off-by: Fam Zheng <famz@redhat.com> Acked-by: Paolo Bonzini <pbonzini@redhat.com> Message-Id: <20180110091846.10699-2-famz@redhat.com> Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
2018-02-08curl: convert to CoQueuePaolo Bonzini
Now that CoQueues can use a QemuMutex for thread-safety, there is no need for curl to roll its own coroutine queue. Coroutines can be placed directly on the queue instead of using a list of CURLAIOCBs. Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Message-Id: <20180203153935.8056-6-pbonzini@redhat.com> Reviewed-by: Fam Zheng <famz@redhat.com> Signed-off-by: Fam Zheng <famz@redhat.com>
2018-02-08coroutine-lock: make qemu_co_enter_next thread-safePaolo Bonzini
qemu_co_queue_next does not need to release and re-acquire the mutex, because the queued coroutine does not run immediately. However, this does not hold for qemu_co_enter_next. Now that qemu_co_queue_wait can synchronize (via QemuLockable) with code that is not running in coroutine context, it's important that code using qemu_co_enter_next can easily use a standardized locking idiom. First of all, qemu_co_enter_next must use aio_co_wake to restart the coroutine. Second, the function gains a second argument, a QemuLockable*, and the comments of qemu_co_queue_next and qemu_co_queue_restart_all are adjusted to clarify the difference. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Message-Id: <20180203153935.8056-5-pbonzini@redhat.com> Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com> Reviewed-by: Fam Zheng <famz@redhat.com> Signed-off-by: Fam Zheng <famz@redhat.com>
2018-02-08coroutine-lock: convert CoQueue to use QemuLockablePaolo Bonzini
There are cases in which a queued coroutine must be restarted from non-coroutine context (with qemu_co_enter_next). In this cases, qemu_co_enter_next also needs to be thread-safe, but it cannot use a CoMutex and so cannot qemu_co_queue_wait. Use QemuLockable so that the CoQueue can interchangeably use CoMutex or QemuMutex. Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Message-Id: <20180203153935.8056-4-pbonzini@redhat.com> Reviewed-by: Fam Zheng <famz@redhat.com> Signed-off-by: Fam Zheng <famz@redhat.com>
2018-02-08lockable: add QemuLockablePaolo Bonzini
QemuLockable is a polymorphic lock type that takes an object and knows which function to use for locking and unlocking. The implementation could use C11 _Generic, but since the support is not very widespread I am instead using __builtin_choose_expr and __builtin_types_compatible_p, which are already used by include/qemu/atomic.h. QemuLockable can be used to implement lock guards, or to pass around a lock in such a way that a function can release it and re-acquire it. The next patch will do this for CoQueue. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Message-Id: <20180203153935.8056-3-pbonzini@redhat.com> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com> Reviewed-by: Fam Zheng <famz@redhat.com> Signed-off-by: Fam Zheng <famz@redhat.com>
2018-02-08test-coroutine: add simple CoMutex testPaolo Bonzini
In preparation for adding a similar test using QemuLockable, add a very simple testcase that has two interleaved calls to lock and unlock. Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Message-Id: <20180203153935.8056-2-pbonzini@redhat.com> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Reviewed-by: Fam Zheng <famz@redhat.com> Signed-off-by: Fam Zheng <famz@redhat.com>
2018-02-08docker: change Fedora base image to fedora:27Paolo Bonzini
Using "fedora:latest" makes behavior different depending on when you actually pulled the image from the docker repository. In my case, the supposedly "latest" image was a Fedora 25 download from 8 months ago, and the new "test-debug" test was failing. Use "27" to improve reproducibility and make it clear when the image is obsolete. Cc: Fam Zheng <famz@redhat.com> Cc: Marc-André Lureau <marcandre.lureau@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Message-Id: <1515755504-21341-1-git-send-email-pbonzini@redhat.com> Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com> Signed-off-by: Fam Zheng <famz@redhat.com>
2018-02-07Merge remote-tracking branch 'remotes/jnsnow/tags/ide-pull-request' into stagingPeter Maydell
# gpg: Signature made Wed 07 Feb 2018 16:32:36 GMT # gpg: using RSA key 7DEF8106AAFC390E # gpg: Good signature from "John Snow (John Huston) <jsnow@redhat.com>" # Primary key fingerprint: FAEB 9711 A12C F475 812F 18F2 88A9 064D 1835 61EB # Subkey fingerprint: F9B7 ABDB BCAC DF95 BE76 CBD0 7DEF 8106 AAFC 390E * remotes/jnsnow/tags/ide-pull-request: ide-test: test trim requests Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2018-02-07Merge remote-tracking branch 'remotes/bonzini/tags/for-upstream' into stagingPeter Maydell
* socket option parsing fix (Daniel) * SCSI fixes (Fam) * Readline double-free fix (Greg) * More HVF attribution fixes (Izik) * WHPX (Windows Hypervisor Platform Extensions) support (Justin) * POLLHUP handler (Klim) * ivshmem fixes (Ladi) * memfd memory backend (Marc-André) * improved error message (Marcelo) * Memory fixes (Peter Xu, Zhecheng) * Remove obsolete code and comments (Peter M.) * qdev API improvements (Philippe) * Add CONFIG_I2C switch (Thomas) # gpg: Signature made Wed 07 Feb 2018 15:24:08 GMT # gpg: using RSA key BFFBD25F78C7AE83 # 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: (47 commits) Add the WHPX acceleration enlightenments Introduce the WHPX impl Add the WHPX vcpu API Add the Windows Hypervisor Platform accelerator. tests/test-filter-redirector: move close() tests: use memfd in vhost-user-test vhost-user-test: make read-guest-mem setup its own qemu tests: keep compiling failing vhost-user tests Add memfd based hostmem memfd: add hugetlbsize argument memfd: add hugetlb support memfd: add error argument, instead of perror() cpus: join thread when removing a vCPU cpus: hvf: unregister thread with RCU cpus: tcg: unregister thread with RCU, fix exiting of loop on unplug cpus: dummy: unregister thread with RCU, exit loop on unplug cpus: kvm: unregister thread with RCU cpus: hax: register/unregister thread with RCU, exit loop on unplug ivshmem: Disable irqfd on device reset ivshmem: Improve MSI irqfd error handling ... Signed-off-by: Peter Maydell <peter.maydell@linaro.org> # Conflicts: # cpus.c
2018-02-07hbitmap: fix missing restore count when finish deserializationLiang Li
The .count of HBitmap is forgot to set in function hbitmap_deserialize_finish, let's set it to the right value. Cc: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com> Cc: Fam Zheng <famz@redhat.com> Cc: Max Reitz <mreitz@redhat.com> Cc: John Snow <jsnow@redhat.com> Reviewed-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com> Signed-off-by: Weiping Zhang <zhangweiping@didichuxing.com> Signed-off-by: Liang Li <liliangleo@didichuxing.com> Reviewed-by: John Snow <jsnow@redhat.com> Message-id: 20180118131308.GA2181@liangdeMacBook-Pro.local Signed-off-by: John Snow <jsnow@redhat.com>
2018-02-07Merge remote-tracking branch 'remotes/armbru/tags/pull-error-2018-02-06' ↵Peter Maydell
into staging Error reporting patches for 2018-02-06 # gpg: Signature made Tue 06 Feb 2018 19:48:30 GMT # gpg: using RSA key 3870B400EB918653 # gpg: Good signature from "Markus Armbruster <armbru@redhat.com>" # gpg: aka "Markus Armbruster <armbru@pond.sub.org>" # Primary key fingerprint: 354B C8B3 D7EB 2A6B 6867 4E5F 3870 B400 EB91 8653 * remotes/armbru/tags/pull-error-2018-02-06: tcg: Replace fprintf(stderr, "*\n" with error_report() hw/xen*: Replace fprintf(stderr, "*\n" with error_report() hw/sparc*: Replace fprintf(stderr, "*\n" with error_report() hw/sd: Replace fprintf(stderr, "*\n" with DPRINTF() hw/ppc: Replace fprintf(stderr, "*\n" with error_report() hw/pci*: Replace fprintf(stderr, "*\n" with error_report() hw/openrisc: Replace fprintf(stderr, "*\n" with error_report() hw/moxie: Replace fprintf(stderr, "*\n" with error_report() hw/mips: Replace fprintf(stderr, "*\n" with error_report() hw/lm32: Replace fprintf(stderr, "*\n" with error_report() hw/dma: Replace fprintf(stderr, "*\n" with error_report() hw/arm: Replace fprintf(stderr, "*\n" with error_report() audio: Replace AUDIO_FUNC with __func__ error: Improve documentation of error_append_hint() Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2018-02-07ide-test: test trim requestsAnton Nefedov
Signed-off-by: Anton Nefedov <anton.nefedov@virtuozzo.com> Reviewed-by: John Snow <jsnow@redhat.com> Message-id: 1516611841-5526-1-git-send-email-anton.nefedov@virtuozzo.com Signed-off-by: John Snow <jsnow@redhat.com>
2018-02-07Merge remote-tracking branch 'remotes/awilliam/tags/vfio-update-20180206.0' ↵Peter Maydell
into staging VFIO updates 2018-02-06 - SPAPR in-kernel TCE accleration (Alexey Kardashevskiy) - MSI-X relocation (Alex Williamson) - Add missing platform mutex init (Eric Auger) - Redundant variable cleanup (Alexey Kardashevskiy) - Option to disable GeForce quirks (Alex Williamson) # gpg: Signature made Tue 06 Feb 2018 18:21:22 GMT # gpg: using RSA key 239B9B6E3BB08B22 # gpg: Good signature from "Alex Williamson <alex.williamson@redhat.com>" # gpg: aka "Alex Williamson <alex@shazbot.org>" # gpg: aka "Alex Williamson <alwillia@redhat.com>" # gpg: aka "Alex Williamson <alex.l.williamson@gmail.com>" # Primary key fingerprint: 42F6 C04E 540B D1A9 9E7B 8A90 239B 9B6E 3BB0 8B22 * remotes/awilliam/tags/vfio-update-20180206.0: vfio/pci: Add option to disable GeForce quirks vfio/common: Remove redundant copy of local variable hw/vfio/platform: Init the interrupt mutex vfio/pci: Allow relocating MSI-X MMIO qapi: Create DEFINE_PROP_OFF_AUTO_PCIBAR vfio/pci: Emulate BARs vfio/pci: Add base BAR MemoryRegion vfio/pci: Fixup VFIOMSIXInfo comment spapr/iommu: Enable in-kernel TCE acceleration via VFIO KVM device vfio/spapr: Use iommu memory region's get_attr() memory/iommu: Add get_attr() Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2018-02-07Add the WHPX acceleration enlightenmentsJustin Terry (VM)
Implements the WHPX accelerator cpu enlightenments to actually use the whpx-all accelerator on Windows platforms. Signed-off-by: Justin Terry (VM) <juterry@microsoft.com> Message-Id: <1516655269-1785-5-git-send-email-juterry@microsoft.com> [Register/unregister VCPU thread with RCU. - Paolo] Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2018-02-07Introduce the WHPX implJustin Terry (VM)
Implements the Windows Hypervisor Platform accelerator (WHPX) target. Which acts as a hypervisor accelerator for QEMU on the Windows platform. This enables QEMU much greater speed over the emulated x86_64 path's that are taken on Windows today. 1. Adds support for vPartition management. 2. Adds support for vCPU management. 3. Adds support for MMIO/PortIO. 4. Registers the WHPX ACCEL_CLASS. Signed-off-by: Justin Terry (VM) <juterry@microsoft.com> Message-Id: <1516655269-1785-4-git-send-email-juterry@microsoft.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2018-02-07Add the WHPX vcpu APIJustin Terry (VM)
Adds support for the Windows Hypervisor Platform accelerator (WHPX) stubs and introduces the whpx.h sysemu API for managing the vcpu scheduling and management. Signed-off-by: Justin Terry (VM) <juterry@microsoft.com> Message-Id: <1516655269-1785-3-git-send-email-juterry@microsoft.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2018-02-07Add the Windows Hypervisor Platform accelerator.Justin Terry (VM)
Introduces the configure support for the new Windows Hypervisor Platform that allows for hypervisor acceleration from usermode components on the Windows platform. Signed-off-by: Justin Terry (VM) <juterry@microsoft.com> Message-Id: <1516655269-1785-2-git-send-email-juterry@microsoft.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2018-02-07tests/test-filter-redirector: move close()Klim Kireev
Since we have separate handler on POLLHUP, which drops data after closing the connection we need to fix this test, because it sends data and instantly close the socket creating race condition. In some cases on other end of socket client closes it faster than reads data. To prevent it I suggest to close socket after recieving. Signed-off-by: Klim Kireev <klim.kireev@virtuozzo.com> Message-Id: <20180201134831.17709-1-klim.kireev@virtuozzo.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2018-02-07tests: use memfd in vhost-user-testMarc-André Lureau
This will exercise the memfd memory backend and should generally be better for testing than memory-backend-file (thanks to anonymous files and sealing). If memfd is available, it is preferred. However, in order to check that file & memfd backends both work correctly, the read-guest-mem test is checked explicitly for each. Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com> Message-Id: <20180201132757.23063-8-marcandre.lureau@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2018-02-07vhost-user-test: make read-guest-mem setup its own qemuMarc-André Lureau
Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com> Message-Id: <20180201132757.23063-7-marcandre.lureau@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2018-02-07tests: keep compiling failing vhost-user testsMarc-André Lureau
Let's protect the failing tests under a QTEST_VHOST_USER_FIXME environment variable, so we keep compiling the tests and we can easily run them. Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com> Message-Id: <20180201132757.23063-6-marcandre.lureau@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2018-02-07Add memfd based hostmemMarc-André Lureau
Add a new memory backend, similar to hostmem-file, except that it doesn't need to create files. It also enforces memory sealing. This backend is mainly useful for sharing the memory with other processes. Note that Linux supports transparent huge-pages of shmem/memfd memory since 4.8. It is relatively easier to set up THP than a dedicate hugepage mount point by using "madvise" in /sys/kernel/mm/transparent_hugepage/shmem_enabled. Since 4.14, memfd allows to set hugetlb requirement explicitly. Pending for merge in 4.16 is memfd sealing support for hugetlb backed memory. Usage: -object memory-backend-memfd,id=mem1,size=1G Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com> Message-Id: <20180201132757.23063-5-marcandre.lureau@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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