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2020-03-06qapi: Flatten object-addKevin Wolf
Mapping object-add to the command line as is doesn't result in nice syntax because of the nesting introduced with 'props'. This becomes nicer and more consistent with device_add and netdev_add when we accept properties for the object on the top level instead. 'props' is still accepted after this patch, but marked as deprecated. Signed-off-by: Kevin Wolf <kwolf@redhat.com> Message-Id: <20200224143008.13362-8-kwolf@redhat.com> Acked-by: Stefan Hajnoczi <stefanha@redhat.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2020-03-06stubs: Add arch_typeKevin Wolf
blockdev.c uses the arch_type constant, so before we can use the file in tools (i.e. outside of the system emulator), we need to add a stub for it. A new QEMU_ARCH_NONE is introduced for this case. Signed-off-by: Kevin Wolf <kwolf@redhat.com> Message-Id: <20200224143008.13362-3-kwolf@redhat.com> Acked-by: Stefan Hajnoczi <stefanha@redhat.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2020-03-06block: Introduce 'bdrv_reopen_commit_post' stepPeter Krempa
Add another step in the reopen process where driver can execute code after permission changes are comitted. Signed-off-by: Peter Krempa <pkrempa@redhat.com> Message-Id: <adc02cf591c3cb34e98e33518eb1c540a0f27db1.1582893284.git.pkrempa@redhat.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2020-03-05Merge remote-tracking branch ↵Peter Maydell
'remotes/stefanberger/tags/pull-tpm-2020-03-04-2' into staging Merge tpm 2020/03/04 v2 # gpg: Signature made Thu 05 Mar 2020 17:21:05 GMT # gpg: using RSA key B818B9CADF9089C2D5CEC66B75AD65802A0B4211 # gpg: Good signature from "Stefan Berger <stefanb@linux.vnet.ibm.com>" [unknown] # 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: B818 B9CA DF90 89C2 D5CE C66B 75AD 6580 2A0B 4211 * remotes/stefanberger/tags/pull-tpm-2020-03-04-2: test: tpm-tis: Add Sysbus TPM-TIS device test test: tpm-tis: Get prepared to share tests between ISA and sysbus devices test: tpm: pass optional machine options to swtpm test functions docs/specs/tpm: Document TPM_TIS sysbus device for ARM hw/arm/virt: vTPM support tpm: Add the SysBus TPM TIS device tpm: Separate TPM_TIS and TPM_TIS_ISA configs tpm: Separate tpm_tis common functions from isa code tpm: Use TPMState as a common struct tpm: rename TPM_TIS into TPM_TIS_ISA Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2020-03-05tpm: Add the SysBus TPM TIS deviceEric Auger
Introduce the tpm-tis-device which is a sysbus device and is bound to be used on ARM. Signed-off-by: Eric Auger <eric.auger@redhat.com> Reviewed-by: Stefan Berger <stefanb@linux.ibm.com> Tested-by: Ard Biesheuvel <ard.biesheuvel@linaro.org> Acked-by: Ard Biesheuvel <ard.biesheuvel@linaro.org> Message-id: 20200305165149.618-6-eric.auger@redhat.com Signed-off-by: Stefan Berger <stefanb@linux.ibm.com>
2020-03-05tpm: rename TPM_TIS into TPM_TIS_ISAEric Auger
As we plan to introduce a sysbus TPM_TIS, let's rename TPM_TIS into TPM_TIS_ISA. Signed-off-by: Eric Auger <eric.auger@redhat.com> Reviewed-by: Stefan Berger <stefanb@linux.ibm.com> Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com> Tested-by: Ard Biesheuvel <ard.biesheuvel@linaro.org> Acked-by: Ard Biesheuvel <ard.biesheuvel@linaro.org> Message-id: 20200305165149.618-2-eric.auger@redhat.com Signed-off-by: Stefan Berger <stefanb@linux.ibm.com>
2020-03-05hw/arm: versal: Add support for the LPD ADMAsEdgar E. Iglesias
Add support for the Versal LPD ADMAs. Signed-off-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com> Reviewed-by: Francisco Iglesias <frasse.iglesias@gmail.com> Reviewed-by: KONRAD Frederic <frederic.konrad@adacore.com> Reviewed-by: Luc Michel <luc.michel@greensocs.com> Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2020-03-03Merge remote-tracking branch 'remotes/jasowang/tags/net-pull-request' into ↵Peter Maydell
staging # gpg: Signature made Tue 03 Mar 2020 10:06:06 GMT # gpg: using RSA key EF04965B398D6211 # gpg: Good signature from "Jason Wang (Jason Wang on RedHat) <jasowang@redhat.com>" [marginal] # gpg: WARNING: This key is not certified with sufficiently trusted signatures! # gpg: It is not certain that the signature belongs to the owner. # Primary key fingerprint: 215D 46F4 8246 689E C77F 3562 EF04 965B 398D 6211 * remotes/jasowang/tags/net-pull-request: (23 commits) l2tpv3: fix RFC number typo in qemu-options.hx colo: Update Documentation for continuous replication net/filter.c: Add Options to insert filters anywhere in the filter list tests/test-replication.c: Add test for for secondary node continuing replication block/replication.c: Ignore requests after failover hw: net: cadence_gem: Fix build errors in DB_PRINT() NetRxPkt: fix hash calculation of IPV6 TCP NetRxPkt: Introduce support for additional hash types e1000e: Avoid hw_error if legacy mode used dp8393x: Don't stop reception upon RBE interrupt assertion dp8393x: Don't reset Silicon Revision register dp8393x: Always update RRA pointers and sequence numbers dp8393x: Clear descriptor in_use field to release packet dp8393x: Pad frames to word or long word boundary dp8393x: Use long-word-aligned RRA pointers in 32-bit mode dp8393x: Don't clobber packet checksum dp8393x: Implement packet size limit and RBAE interrupt dp8393x: Clear RRRA command register bit only when appropriate dp8393x: Update LLFA and CRDA registers from rx descriptor dp8393x: Have dp8393x_receive() return the packet size ... Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2020-03-03Merge remote-tracking branch 'remotes/palmer/tags/riscv-for-master-5.0-sf3' ↵Peter Maydell
into staging RISC-V Patches for the 5.0 Soft Freeze, Part 3 This pull request is almost entirely an implementation of the draft hypervisor extension. This extension is still in draft and is expected to have incompatible changes before being frozen, but we've had good luck managing other RISC-V draft extensions in QEMU so far. Additionally, there's a fix to PCI addressing and some improvements to the M-mode timer. This boots linux and passes make check for me. # gpg: Signature made Tue 03 Mar 2020 00:23:20 GMT # gpg: using RSA key 2B3C3747446843B24A943A7A2E1319F35FBB1889 # gpg: issuer "palmer@dabbelt.com" # gpg: Good signature from "Palmer Dabbelt <palmer@dabbelt.com>" [unknown] # gpg: aka "Palmer Dabbelt <palmer@sifive.com>" [unknown] # gpg: aka "Palmer Dabbelt <palmerdabbelt@google.com>" [unknown] # 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: 00CE 76D1 8349 60DF CE88 6DF8 EF4C A150 2CCB AB41 # Subkey fingerprint: 2B3C 3747 4468 43B2 4A94 3A7A 2E13 19F3 5FBB 1889 * remotes/palmer/tags/riscv-for-master-5.0-sf3: (38 commits) hw/riscv: Provide rdtime callback for TCG in CLINT emulation target/riscv: Emulate TIME CSRs for privileged mode riscv: virt: Allow PCI address 0 target/riscv: Allow enabling the Hypervisor extension target/riscv: Add the MSTATUS_MPV_ISSET helper macro target/riscv: Add support for the 32-bit MSTATUSH CSR target/riscv: Set htval and mtval2 on execptions target/riscv: Raise the new execptions when 2nd stage translation fails target/riscv: Implement second stage MMU target/riscv: Allow specifying MMU stage target/riscv: Respect MPRV and SPRV for floating point ops target/riscv: Mark both sstatus and msstatus_hs as dirty target/riscv: Disable guest FP support based on virtual status target/riscv: Only set TB flags with FP status if enabled target/riscv: Remove the hret instruction target/riscv: Add hfence instructions target/riscv: Add Hypervisor trap return support target/riscv: Add hypvervisor trap support target/riscv: Generate illegal instruction on WFI when V=1 target/ricsv: Flush the TLB on virtulisation mode changes ... Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2020-03-03net/filter.c: Add Options to insert filters anywhere in the filter listLukas Straub
To switch the Secondary to Primary, we need to insert new filters before the filter-rewriter. Add the options insert= and position= to be able to insert filters anywhere in the filter list. position should be "head" or "tail" to insert at the head or tail of the filter list or it should be "id=<id>" to specify the id of another filter. insert should be either "before" or "behind" to specify where to insert the new filter relative to the one specified with position. Signed-off-by: Lukas Straub <lukasstraub2@web.de> Reviewed-by: Zhang Chen <chen.zhang@intel.com> Signed-off-by: Jason Wang <jasowang@redhat.com>
2020-03-02Merge remote-tracking branch 'remotes/rth/tags/pull-tcg-20200228' into stagingPeter Maydell
Fix race in cpu_exec_step_atomic. Work around compile failure with -fno-inine. Expand tcg/arm epilogue inline. Adjustments to the default code gen buffer size. # gpg: Signature made Sat 29 Feb 2020 02:13:43 GMT # gpg: using RSA key 7A481E78868B4DB6A85A05C064DF38E8AF7E215F # gpg: issuer "richard.henderson@linaro.org" # gpg: Good signature from "Richard Henderson <richard.henderson@linaro.org>" [full] # Primary key fingerprint: 7A48 1E78 868B 4DB6 A85A 05C0 64DF 38E8 AF7E 215F * remotes/rth/tags/pull-tcg-20200228: accel/tcg: increase default code gen buffer size for 64 bit accel/tcg: only USE_STATIC_CODE_GEN_BUFFER on 32 bit hosts accel/tcg: remove link between guest ram and TCG cache size accel/tcg: use units.h for defining code gen buffer sizes tcg/arm: Expand epilogue inline tcg/arm: Split out tcg_out_epilogue compiler.h: Don't use compile-time assert when __NO_INLINE__ is defined accel/tcg: fix race in cpu_exec_step_atomic (bug 1863025) Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2020-02-28hw: Make MachineClass::is_default a boolean typePhilippe Mathieu-Daudé
There's no good reason for it to be type int, change it to bool. Suggested-by: Richard Henderson <richard.henderson@linaro.org> Reviewed-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com> Message-Id: <20200207161948.15972-3-philmd@redhat.com> Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com> Reviewed-by: Laurent Vivier <laurent@vivier.eu> Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
2020-02-28hw/nmi: Fix the NMI() macro, based on INTERFACE_CHECK()Philippe Mathieu-Daudé
There is no declaration of the 'NMI' type. INTERFACE_CHECK() returns an abstract type (see commit aa1b35b975d8). The abstract type corresponding to the TYPE_NMI interface is 'NMIState'. Fixes: 9cb805fd267 Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com> Message-Id: <20191207094823.20707-1-philmd@redhat.com> Reviewed-by: Gavin Shan <gshan@redhat.com> Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
2020-02-28compiler.h: Don't use compile-time assert when __NO_INLINE__ is definedZenghui Yu
Our robot reported the following compile-time warning while compiling Qemu with -fno-inline cflags: In function 'load_memop', inlined from 'load_helper' at /qemu/accel/tcg/cputlb.c:1578:20, inlined from 'full_ldub_mmu' at /qemu/accel/tcg/cputlb.c:1624:12: /qemu/accel/tcg/cputlb.c:1502:9: error: call to 'qemu_build_not_reached' declared with attribute error: code path is reachable qemu_build_not_reached(); ^~~~~~~~~~~~~~~~~~~~~~~~ [...] It looks like a false-positive because only (MO_UB ^ MO_BSWAP) will hit the default case in load_memop() while need_swap (size > 1) has already ensured that MO_UB is not involved. So the thing is that compilers get confused by the -fno-inline and just can't accurately evaluate memop_size(op) at compile time, and then the qemu_build_not_reached() is wrongly triggered by (MO_UB ^ MO_BSWAP). Let's carefully don't use the compile-time assert when no functions will be inlined into their callers. Reported-by: Euler Robot <euler.robot@huawei.com> Suggested-by: Richard Henderson <richard.henderson@linaro.org> Signed-off-by: Zenghui Yu <yuzenghui@huawei.com> Message-Id: <20200205141545.180-1-yuzenghui@huawei.com> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2020-02-28arm_gic: Mask the un-supported priority bitsSai Pavan Boddu
The GICv2 allows the implementation to implement a variable number of priority bits; unimplemented bits in the priority registers are read as zeros, writes ignored. We were previously always implementing a full 8 bits of priority, which is allowed but not what the real hardware typically does (which is usually to have 4 or 5 bits of priority). Add a new device property to allow the number of implemented property bits to be specified. Signed-off-by: Sai Pavan Boddu <sai.pavan.boddu@xilinx.com> Message-id: 1582537164-764-2-git-send-email-sai.pavan.boddu@xilinx.com Suggested-by: Peter Maydell <peter.maydell@linaro.org> Reviewed-by: Peter Maydell <peter.maydell@linaro.org> [PMM: improved commit message] Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2020-02-28Merge remote-tracking branch ↵Peter Maydell
'remotes/juanquintela/tags/pull-migration-pull-request' into staging Migration pull request # gpg: Signature made Fri 28 Feb 2020 09:21:31 GMT # gpg: using RSA key 1899FF8EDEBF58CCEE034B82F487EF185872D723 # gpg: Good signature from "Juan Quintela <quintela@redhat.com>" [full] # gpg: aka "Juan Quintela <quintela@trasno.org>" [full] # Primary key fingerprint: 1899 FF8E DEBF 58CC EE03 4B82 F487 EF18 5872 D723 * remotes/juanquintela/tags/pull-migration-pull-request: savevm: Don't call colo_init_ram_cache twice migration/colo: wrap incoming checkpoint process into new helper migration: fix COLO broken caused by a previous commit migration/block: rename BLOCK_SIZE macro migration/savevm: release gslist after dump_vmstate_json test-vmstate: Fix memleaks in test_load_qlist migration/vmstate: Remove redundant statement in vmstate_save_state_v() multifd: Add zstd compression multifd support multifd: Add multifd-zstd-level parameter configure: Enable test and libs for zstd multifd: Add zlib compression multifd support multifd: Add multifd-zlib-level parameter multifd: Make no compression operations into its own structure migration: Add support for modules multifd: Add multifd-compression parameter Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2020-02-28Merge remote-tracking branch 'remotes/aperard/tags/pull-xen-20200227' into ↵Peter Maydell
staging Xen queue 2020-02-27 * fix for xen-block * fix in exec.c for migration of xen guest * one cleanup patch # gpg: Signature made Thu 27 Feb 2020 11:57:12 GMT # gpg: using RSA key F80C006308E22CFD8A92E7980CF5572FD7FB55AF # gpg: issuer "anthony.perard@citrix.com" # gpg: Good signature from "Anthony PERARD <anthony.perard@gmail.com>" [marginal] # gpg: aka "Anthony PERARD <anthony.perard@citrix.com>" [marginal] # gpg: WARNING: This key is not certified with sufficiently trusted signatures! # gpg: It is not certain that the signature belongs to the owner. # Primary key fingerprint: 5379 2F71 024C 600F 778A 7161 D8D5 7199 DF83 42C8 # Subkey fingerprint: F80C 0063 08E2 2CFD 8A92 E798 0CF5 572F D7FB 55AF * remotes/aperard/tags/pull-xen-20200227: Memory: Only call ramblock_ptr when needed in qemu_ram_writeback xen-bus/block: explicitly assign event channels to an AioContext hw/xen/xen_pt_load_rom: Remove unused includes Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2020-02-28migration: Add support for modulesJuan Quintela
So we don't have to compile everything in, or have ifdefs Signed-off-by: Juan Quintela <quintela@redhat.com> Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
2020-02-28multifd: Add multifd-compression parameterJuan Quintela
This will store the compression method to use. We start with none. Signed-off-by: Juan Quintela <quintela@redhat.com> Acked-by: Markus Armbruster <armbru@redhat.com> Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com> --- Rename multifd-method to multifd-compression
2020-02-27hw/riscv: Provide rdtime callback for TCG in CLINT emulationAnup Patel
This patch extends CLINT emulation to provide rdtime callback for TCG. This rdtime callback will be called wheneven TIME CSRs are read in privileged modes. Signed-off-by: Anup Patel <anup.patel@wdc.com> Reviewed-by: Alistair Francis <alistair.francis@wdc.com> Signed-off-by: Palmer Dabbelt <palmerdabbelt@google.com>
2020-02-27Merge remote-tracking branch 'remotes/cohuck/tags/s390x-20200227' into stagingPeter Maydell
Includes a headers update against 5.6-current. - add missing vcpu reset functionality - rstfy some s390 documentation - fixes and enhancements # gpg: Signature made Thu 27 Feb 2020 11:50:08 GMT # gpg: using RSA key C3D0D66DC3624FF6A8C018CEDECF6B93C6F02FAF # gpg: issuer "cohuck@redhat.com" # gpg: Good signature from "Cornelia Huck <conny@cornelia-huck.de>" [marginal] # gpg: aka "Cornelia Huck <huckc@linux.vnet.ibm.com>" [full] # gpg: aka "Cornelia Huck <cornelia.huck@de.ibm.com>" [full] # gpg: aka "Cornelia Huck <cohuck@kernel.org>" [marginal] # gpg: aka "Cornelia Huck <cohuck@redhat.com>" [marginal] # Primary key fingerprint: C3D0 D66D C362 4FF6 A8C0 18CE DECF 6B93 C6F0 2FAF * remotes/cohuck/tags/s390x-20200227: s390x: Rename and use constants for short PSW address and mask docs: rstfy vfio-ap documentation docs: rstfy s390 dasd ipl documentation s390/sclp: improve special wait psw logic s390x: Add missing vcpu reset functions linux-headers: update target/s390x/translate: Fix RNSBG instruction Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2020-02-27Merge remote-tracking branch 'remotes/mst/tags/for_upstream' into stagingPeter Maydell
virtio, pc: fixes, features New virtio iommu. Unrealize memory leaks. In-band kick/call support. Bugfixes, documentation all over the place. Signed-off-by: Michael S. Tsirkin <mst@redhat.com> # gpg: Signature made Thu 27 Feb 2020 08:46:33 GMT # gpg: using RSA key 5D09FD0871C8F85B94CA8A0D281F0DB8D28D5469 # gpg: issuer "mst@redhat.com" # gpg: Good signature from "Michael S. Tsirkin <mst@kernel.org>" [full] # gpg: aka "Michael S. Tsirkin <mst@redhat.com>" [full] # Primary key fingerprint: 0270 606B 6F3C DF3D 0B17 0970 C350 3912 AFBE 8E67 # Subkey fingerprint: 5D09 FD08 71C8 F85B 94CA 8A0D 281F 0DB8 D28D 5469 * remotes/mst/tags/for_upstream: (30 commits) Fixed assert in vhost_user_set_mem_table_postcopy vhost-user: only set slave channel for first vq acpi: cpuhp: document CPHP_GET_CPU_ID_CMD command libvhost-user: implement in-band notifications docs: vhost-user: add in-band kick/call messages libvhost-user: handle NOFD flag in call/kick/err better libvhost-user-glib: use g_main_context_get_thread_default() libvhost-user-glib: fix VugDev main fd cleanup libvhost-user: implement VHOST_USER_PROTOCOL_F_REPLY_ACK MAINTAINERS: add virtio-iommu related files hw/arm/virt: Add the virtio-iommu device tree mappings virtio-iommu-pci: Add virtio iommu pci support virtio-iommu: Support migration virtio-iommu: Implement fault reporting virtio-iommu: Implement translate virtio-iommu: Implement map/unmap virtio-iommu: Implement attach/detach command virtio-iommu: Decode the command payload virtio-iommu: Add skeleton virtio: gracefully handle invalid region caches ... Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2020-02-27xen-bus/block: explicitly assign event channels to an AioContextPaul Durrant
It is not safe to close an event channel from the QEMU main thread when that channel's poller is running in IOThread context. This patch adds a new xen_device_set_event_channel_context() function to explicitly assign the channel AioContext, and modifies xen_device_bind_event_channel() to initially assign the channel's poller to the QEMU main thread context. The code in xen-block's dataplane is then modified to assign the channel to IOThread context during xen_block_dataplane_start() and de-assign it during in xen_block_dataplane_stop(), such that the channel is always assigned back to main thread context before it is closed. aio_set_fd_handler() already deals with all the necessary synchronization when moving an fd between AioContext-s so no extra code is needed to manage this. Reported-by: Julien Grall <jgrall@amazon.com> Signed-off-by: Paul Durrant <pdurrant@amazon.com> Reviewed-by: Anthony PERARD <anthony.perard@citrix.com> Message-Id: <20191216143451.19024-1-pdurrant@amazon.com> Signed-off-by: Anthony PERARD <anthony.perard@citrix.com>
2020-02-27hw/arm/virt: Add the virtio-iommu device tree mappingsEric Auger
Adds the "virtio,pci-iommu" node in the host bridge node and the RID mapping, excluding the IOMMU RID. This is done in the virtio-iommu-pci hotplug handler which gets called only if no firmware is loaded or if -no-acpi is passed on the command line. As non DT integration is not yet supported by the kernel we must make sure we are in DT mode. This limitation will be removed as soon as the topology description feature gets supported. Signed-off-by: Eric Auger <eric.auger@redhat.com> Message-Id: <20200214132745.23392-10-eric.auger@redhat.com> Reviewed-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com> Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
2020-02-27virtio-iommu-pci: Add virtio iommu pci supportEric Auger
This patch adds virtio-iommu-pci, which is the pci proxy for the virtio-iommu device. Currently non DT integration is not yet supported by the kernel. So the machine must implement a hotplug handler for the virtio-iommu-pci device that creates the device tree iommu-map bindings as documented in kernel documentation: Documentation/devicetree/bindings/virtio/iommu.txt Signed-off-by: Eric Auger <eric.auger@redhat.com> Reviewed-by: Jean-Philippe Brucker <jean-philippe@linaro.org> Reviewed-by: Michael S. Tsirkin <mst@redhat.com> Message-Id: <20200214132745.23392-9-eric.auger@redhat.com> Reviewed-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2020-02-27virtio-iommu: Implement attach/detach commandEric Auger
This patch implements the endpoint attach/detach to/from a domain. Domain and endpoint internal datatypes are introduced. Both are stored in RB trees. The domain owns a list of endpoints attached to it. Also helpers to get/put end points and domains are introduced. As for the IOMMU memory regions, a callback is called on PCI bus enumeration that initializes for a given device on the bus hierarchy an IOMMU memory region. The PCI bus hierarchy is stored locally in IOMMUPciBus and IOMMUDevice objects. At the time of the enumeration, the bus number may not be computed yet. So operations that will need to retrieve the IOMMUdevice and its IOMMU memory region from the bus number and devfn, once the bus number is garanteed to be frozen, use an array of IOMMUPciBus, lazily populated. Signed-off-by: Eric Auger <eric.auger@redhat.com> Reviewed-by: Peter Xu <peterx@redhat.com> Reviewed-by: Michael S. Tsirkin <mst@redhat.com> Message-Id: <20200214132745.23392-4-eric.auger@redhat.com> Reviewed-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2020-02-27virtio-iommu: Add skeletonEric Auger
This patchs adds the skeleton for the virtio-iommu device. Signed-off-by: Eric Auger <eric.auger@redhat.com> Reviewed-by: Peter Xu <peterx@redhat.com> Reviewed-by: Michael S. Tsirkin <mst@redhat.com> Message-Id: <20200214132745.23392-2-eric.auger@redhat.com> Reviewed-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2020-02-26linux-headers: updateCornelia Huck
Update to commit b1da3acc781c ("Merge tag 'ecryptfs-5.6-rc3-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/tyhicks/ecryptfs") Signed-off-by: Cornelia Huck <cohuck@redhat.com>
2020-02-25qemu/bitops.h: Add extract8 and extract16Yoshinori Sato
Signed-off-by: Yoshinori Sato <ysato@users.sourceforge.jp> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com> Tested-by: Philippe Mathieu-Daudé <philmd@redhat.com> Signed-off-by: Richard Henderson <richard.henderson@linaro.org> Signed-off-by: Alex Bennée <alex.bennee@linaro.org> Message-Id: <20200212130311.127515-3-ysato@users.sourceforge.jp> Message-Id: <20200225124710.14152-14-alex.bennee@linaro.org>
2020-02-25vhost-user-blk: convert to new virtio_delete_queuePan Nengyuan
use the new virtio_delete_queue function to cleanup. Signed-off-by: Pan Nengyuan <pannengyuan@huawei.com> Message-Id: <20200224041336.30790-3-pannengyuan@huawei.com> Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com> Reviewed-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2020-02-25vhost-user-fs: convert to the new virtio_delete_queue functionPan Nengyuan
use the new virtio_delete_queue function to cleanup. Signed-off-by: Pan Nengyuan <pannengyuan@huawei.com> Cc: "Dr. David Alan Gilbert" <dgilbert@redhat.com> Cc: Stefan Hajnoczi <stefanha@redhat.com> Message-Id: <20200225075554.10835-3-pannengyuan@huawei.com> Reviewed-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2020-02-25Merge branch 'exec_rw_const_v4' of https://github.com/philmd/qemu into HEADPaolo Bonzini
2020-02-25Merge tag 'patchew/20200219160953.13771-1-imammedo@redhat.com' of ↵Paolo Bonzini
https://github.com/patchew-project/qemu into HEAD This series removes ad hoc RAM allocation API (memory_region_allocate_system_memory) and consolidates it around hostmem backend. It allows to * resolve conflicts between global -mem-prealloc and hostmem's "policy" option, fixing premature allocation before binding policy is applied * simplify complicated memory allocation routines which had to deal with 2 ways to allocate RAM. * reuse hostmem backends of a choice for main RAM without adding extra CLI options to duplicate hostmem features. A recent case was -mem-shared, to enable vhost-user on targets that don't support hostmem backends [1] (ex: s390) * move RAM allocation from individual boards into generic machine code and provide them with prepared MemoryRegion. * clean up deprecated NUMA features which were tied to the old API (see patches) - "numa: remove deprecated -mem-path fallback to anonymous RAM" - (POSTPONED, waiting on libvirt side) "forbid '-numa node,mem' for 5.0 and newer machine types" - (POSTPONED) "numa: remove deprecated implicit RAM distribution between nodes" Introduce a new machine.memory-backend property and wrapper code that aliases global -mem-path and -mem-alloc into automatically created hostmem backend properties (provided memory-backend was not set explicitly given by user). A bulk of trivial patches then follow to incrementally convert individual boards to using machine.memory-backend provided MemoryRegion. Board conversion typically involves: * providing MachineClass::default_ram_size and MachineClass::default_ram_id so generic code could create default backend if user didn't explicitly provide memory-backend or -m options * dropping memory_region_allocate_system_memory() call * using convenience MachineState::ram MemoryRegion, which points to MemoryRegion allocated by ram-memdev On top of that for some boards: * missing ram_size checks are added (typically it were boards with fixed ram size) * ram_size fixups are replaced by checks and hard errors, forcing user to provide correct "-m" values instead of ignoring it and continuing running. After all boards are converted, the old API is removed and memory allocation routines are cleaned up.
2020-02-22qtest: add in-process incoming command handlerAlexander Bulekov
The handler allows a qtest client to send commands to the server by directly calling a function, rather than using a file/CharBackend Signed-off-by: Alexander Bulekov <alxndr@bu.edu> Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com> Reviewed-by: Darren Kenny <darren.kenny@oracle.com> Message-id: 20200220041118.23264-9-alxndr@bu.edu Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2020-02-22qtest: add qtest_server_send abstractionAlexander Bulekov
qtest_server_send is a function pointer specifying the handler used to transmit data to the qtest client. In the standard configuration, this calls the CharBackend handler, but now it is possible for other types of handlers, e.g direct-function calls if the qtest client and server exist within the same process (inproc) Signed-off-by: Alexander Bulekov <alxndr@bu.edu> Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com> Reviewed-by: Darren Kenny <darren.kenny@oracle.com> Acked-by: Thomas Huth <thuth@redhat.com> Message-id: 20200220041118.23264-6-alxndr@bu.edu Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2020-02-22fuzz: add FUZZ_TARGET module typeAlexander Bulekov
Signed-off-by: Alexander Bulekov <alxndr@bu.edu> Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com> Reviewed-by: Darren Kenny <darren.kenny@oracle.com> Message-id: 20200220041118.23264-5-alxndr@bu.edu Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2020-02-22softmmu: split off vl.c:main() into main.cAlexander Bulekov
A program might rely on functions implemented in vl.c, but implement its own main(). By placing main into a separate source file, there are no complaints about duplicate main()s when linking against vl.o. For example, the virtual-device fuzzer uses a main() provided by libfuzzer, and needs to perform some initialization before running the softmmu initialization. Now, main simply calls three vl.c functions which handle the guest initialization, main loop and cleanup. Signed-off-by: Alexander Bulekov <alxndr@bu.edu> Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com> Reviewed-by: Darren Kenny <darren.kenny@oracle.com> Message-id: 20200220041118.23264-3-alxndr@bu.edu Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2020-02-22aio-posix: make AioHandler deletion O(1)Stefan Hajnoczi
It is not necessary to scan all AioHandlers for deletion. Keep a list of deleted handlers instead of scanning the full list of all handlers. The AioHandler->deleted field can be dropped. Let's check if the handler has been inserted into the deleted list instead. Add a new QLIST_IS_INSERTED() API for this check. Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com> Reviewed-by: Sergio Lopez <slp@redhat.com> Message-id: 20200214171712.541358-5-stefanha@redhat.com Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2020-02-22qemu/queue.h: add QLIST_SAFE_REMOVE()Stefan Hajnoczi
QLIST_REMOVE() assumes the element is in a list. It also leaves the element's linked list pointers dangling. Introduce a safe version of QLIST_REMOVE() and convert open-coded instances of this pattern. Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com> Reviewed-by: Sergio Lopez <slp@redhat.com> Message-id: 20200214171712.541358-4-stefanha@redhat.com Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2020-02-22util/async: make bh_aio_poll() O(1)Stefan Hajnoczi
The ctx->first_bh list contains all created BHs, including those that are not scheduled. The list is iterated by the event loop and therefore has O(n) time complexity with respected to the number of created BHs. Rewrite BHs so that only scheduled or deleted BHs are enqueued. Only BHs that actually require action will be iterated. One semantic change is required: qemu_bh_delete() enqueues the BH and therefore invokes aio_notify(). The tests/test-aio.c:test_source_bh_delete_from_cb() test case assumed that g_main_context_iteration(NULL, false) returns false after qemu_bh_delete() but it now returns true for one iteration. Fix up the test case. This patch makes aio_compute_timeout() and aio_bh_poll() drop from a CPU profile reported by perf-top(1). Previously they combined to 9% CPU utilization when AioContext polling is commented out and the guest has 2 virtio-blk,num-queues=1 and 99 virtio-blk,num-queues=32 devices. Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com> Reviewed-by: Paolo Bonzini <pbonzini@redhat.com> Message-id: 20200221093951.1414693-1-stefanha@redhat.com Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2020-02-22rcu_queue: add QSLIST functionsPaolo Bonzini
QSLIST is the only family of lists for which we do not have RCU-friendly accessors, add them. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com> Message-id: 20200220103828.24525-1-pbonzini@redhat.com Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2020-02-21arm: allwinner: Wire up USB portsGuenter Roeck
Instantiate EHCI and OHCI controllers on Allwinner A10. OHCI ports are modeled as companions of the respective EHCI ports. With this patch applied, USB controllers are discovered and instantiated when booting the cubieboard machine with a recent Linux kernel. ehci-platform 1c14000.usb: EHCI Host Controller ehci-platform 1c14000.usb: new USB bus registered, assigned bus number 1 ehci-platform 1c14000.usb: irq 26, io mem 0x01c14000 ehci-platform 1c14000.usb: USB 2.0 started, EHCI 1.00 ehci-platform 1c1c000.usb: EHCI Host Controller ehci-platform 1c1c000.usb: new USB bus registered, assigned bus number 2 ehci-platform 1c1c000.usb: irq 31, io mem 0x01c1c000 ehci-platform 1c1c000.usb: USB 2.0 started, EHCI 1.00 ohci-platform 1c14400.usb: Generic Platform OHCI controller ohci-platform 1c14400.usb: new USB bus registered, assigned bus number 3 ohci-platform 1c14400.usb: irq 27, io mem 0x01c14400 ohci-platform 1c1c400.usb: Generic Platform OHCI controller ohci-platform 1c1c400.usb: new USB bus registered, assigned bus number 4 ohci-platform 1c1c400.usb: irq 32, io mem 0x01c1c400 usb 2-1: new high-speed USB device number 2 using ehci-platform usb-storage 2-1:1.0: USB Mass Storage device detected scsi host1: usb-storage 2-1:1.0 usb 3-1: new full-speed USB device number 2 using ohci-platform input: QEMU QEMU USB Mouse as /devices/platform/soc/1c14400.usb/usb3/3-1/3-1:1.0/0003:0627:0001.0001/input/input0 Reviewed-by: Gerd Hoffmann <kraxel@redhat.com> Signed-off-by: Guenter Roeck <linux@roeck-us.net> Tested-by: Niek Linnenbank <nieklinnenbank@gmail.com> Message-id: 20200217204812.9857-4-linux@roeck-us.net Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2020-02-21Merge remote-tracking branch 'remotes/dgibson/tags/ppc-for-5.0-20200221' ↵Peter Maydell
into staging ppc patch queue 2020-02-21 Here's the next patch of ppc target patches. Highlights are: * Some fixes for CAS / unplug interactions * Remove some leaks of device trees * Some fixes for the PHB3 and PHB4 devices * Support for NVDIMMs on the pseries machine type * Assorted other fixes and cleanups # gpg: Signature made Fri 21 Feb 2020 03:35:40 GMT # gpg: using RSA key 75F46586AE61A66CC44E87DC6C38CACA20D9B392 # gpg: Good signature from "David Gibson <david@gibson.dropbear.id.au>" [full] # gpg: aka "David Gibson (Red Hat) <dgibson@redhat.com>" [full] # gpg: aka "David Gibson (ozlabs.org) <dgibson@ozlabs.org>" [full] # gpg: aka "David Gibson (kernel.org) <dwg@kernel.org>" [unknown] # Primary key fingerprint: 75F4 6586 AE61 A66C C44E 87DC 6C38 CACA 20D9 B392 * remotes/dgibson/tags/ppc-for-5.0-20200221: hw/ppc/virtex_ml507:fix leak of fdevice tree blob spapr: Fix handling of unplugged devices during CAS and migration spapr: Don't use spapr_drc_needed() in CAS code ppc: free 'fdt' after reset the machine target/ppc/cpu.h: Clean up comments in the struct CPUPPCState definition target/ppc/cpu.h: Move fpu related members closer in cpu env target/ppc: Fix typo in comments spapr: Allow changing offset for -kernel image pnv/phb3: Add missing break statement pnv/phb4: Fix error path in pnv_pec_realize() pnv/phb3: Convert 1u to 1ull target/ppc/cpu.h: Remove duplicate includes spapr: Add Hcalls to support PAPR NVDIMM device spapr: Add NVDIMM device support nvdimm: add uuid property to nvdimm mem: move nvdimm_device_list to utilities ppc: function to setup latest class options ppc/pnv: Fix PCI_EXPRESS dependency qtest: Fix rtas dependencies spapr/rtas: Print message from "ibm,os-term" Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2020-02-21Merge remote-tracking branch 'remotes/maxreitz/tags/pull-block-2020-02-20' ↵Peter Maydell
into staging Block patches: - qemu-img convert: New --target-is-zero parameter - qcow2: Specify non-default compression type flag - optionally flat output for query-named-block-nodes - some fixes - pseudo-creation of images on block devices is now done by a generic block layer function # gpg: Signature made Thu 20 Feb 2020 16:05:34 GMT # gpg: using RSA key 91BEB60A30DB3E8857D11829F407DB0061D5CF40 # gpg: issuer "mreitz@redhat.com" # gpg: Good signature from "Max Reitz <mreitz@redhat.com>" [full] # Primary key fingerprint: 91BE B60A 30DB 3E88 57D1 1829 F407 DB00 61D5 CF40 * remotes/maxreitz/tags/pull-block-2020-02-20: iotests: Test snapshot -l field separation block: Fix VM size field width in snapshot dump iotests: Test convert -n -B to backing-less target qemu-img: Fix convert -n -B for backing-less targets iotests: Add test for image creation fallback iscsi: Drop iscsi_co_create_opts() file-posix: Drop hdev_co_create_opts() block: Generic file creation fallback block/nbd: Fix hang in .bdrv_close() iotests/279: Fix for non-qcow2 formats block/backup-top: fix flags handling block: always fill entire LUKS header space with zeros qemu-img: Add --target-is-zero to convert qapi: Allow getting flat output from 'query-named-block-nodes' iotests/147: Fix drive parameters iotests: Remove the superfluous 2nd check for the availability of quorum docs: qcow2: introduce compression type feature docs: improve qcow2 spec about extending image header Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2020-02-21spapr: Don't use spapr_drc_needed() in CAS codeGreg Kurz
We currently don't support hotplug of devices between boot and CAS. If this happens a CAS reboot is triggered. We detect this during CAS using the spapr_drc_needed() function which is essentially a VMStateDescription .needed callback. Even if the condition for CAS reboot happens to be the same as for DRC migration, it looks wrong to piggyback a migration helper for this. Introduce a helper with slightly more explicit name and use it in both CAS and DRC migration code. Since a subsequent patch will enhance this helper to cover the case of hot unplug, let's go for spapr_drc_transient(). While here convert spapr_hotplugged_dev_before_cas() to the "transient" wording as well. This doesn't change any behaviour. Signed-off-by: Greg Kurz <groug@kaod.org> Message-Id: <158169248180.3465937.9531405453362718771.stgit@bahia.lan> Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
2020-02-21spapr: Allow changing offset for -kernel imageAlexey Kardashevskiy
This allows moving the kernel in the guest memory. The option is useful for step debugging (as Linux is linked at 0x0); it also allows loading grub which is normally linked to run at 0x20000. This uses the existing kernel address by default. Signed-off-by: Alexey Kardashevskiy <aik@ozlabs.ru> Message-Id: <20200203032943.121178-6-aik@ozlabs.ru> Reviewed-by: Fabiano Rosas <farosas@linux.ibm.com> Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
2020-02-21spapr: Add Hcalls to support PAPR NVDIMM deviceShivaprasad G Bhat
This patch implements few of the necessary hcalls for the nvdimm support. PAPR semantics is such that each NVDIMM device is comprising of multiple SCM(Storage Class Memory) blocks. The guest requests the hypervisor to bind each of the SCM blocks of the NVDIMM device using hcalls. There can be SCM block unbind requests in case of driver errors or unplug(not supported now) use cases. The NVDIMM label read/writes are done through hcalls. Since each virtual NVDIMM device is divided into multiple SCM blocks, the bind, unbind, and queries using hcalls on those blocks can come independently. This doesn't fit well into the qemu device semantics, where the map/unmap are done at the (whole)device/object level granularity. The patch doesnt actually bind/unbind on hcalls but let it happen at the device_add/del phase itself instead. The guest kernel makes bind/unbind requests for the virtual NVDIMM device at the region level granularity. Without interleaving, each virtual NVDIMM device is presented as a separate guest physical address range. So, there is no way a partial bind/unbind request can come for the vNVDIMM in a hcall for a subset of SCM blocks of a virtual NVDIMM. Hence it is safe to do bind/unbind everything during the device_add/del. Signed-off-by: Shivaprasad G Bhat <sbhat@linux.ibm.com> Message-Id: <158131059899.2897.11515211602702956854.stgit@lep8c.aus.stglabs.ibm.com> Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
2020-02-21spapr: Add NVDIMM device supportShivaprasad G Bhat
Add support for NVDIMM devices for sPAPR. Piggyback on existing nvdimm device interface in QEMU to support virtual NVDIMM devices for Power. Create the required DT entries for the device (some entries have dummy values right now). The patch creates the required DT node and sends a hotplug interrupt to the guest. Guest is expected to undertake the normal DR resource add path in response and start issuing PAPR SCM hcalls. The device support is verified based on the machine version unlike x86. This is how it can be used .. Ex : For coldplug, the device to be added in qemu command line as shown below -object memory-backend-file,id=memnvdimm0,prealloc=yes,mem-path=/tmp/nvdimm0,share=yes,size=1073872896 -device nvdimm,label-size=128k,uuid=75a3cdd7-6a2f-4791-8d15-fe0a920e8e9e,memdev=memnvdimm0,id=nvdimm0,slot=0 For hotplug, the device to be added from monitor as below object_add memory-backend-file,id=memnvdimm0,prealloc=yes,mem-path=/tmp/nvdimm0,share=yes,size=1073872896 device_add nvdimm,label-size=128k,uuid=75a3cdd7-6a2f-4791-8d15-fe0a920e8e9e,memdev=memnvdimm0,id=nvdimm0,slot=0 Signed-off-by: Shivaprasad G Bhat <sbhat@linux.ibm.com> Signed-off-by: Bharata B Rao <bharata@linux.ibm.com> [Early implementation] Message-Id: <158131058078.2897.12767731856697459923.stgit@lep8c.aus.stglabs.ibm.com> Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
2020-02-21nvdimm: add uuid property to nvdimmShivaprasad G Bhat
For ppc64, PAPR requires the nvdimm device to have UUID property set in the device tree. Add an option to get it from the user. Signed-off-by: Shivaprasad G Bhat <sbhat@linux.ibm.com> Reviewed-by: David Gibson <david@gibson.dropbear.id.au> Reviewed-by: Igor Mammedov <imammedo@redhat.com> Message-Id: <158131056931.2897.14057087440721445976.stgit@lep8c.aus.stglabs.ibm.com> Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
2020-02-21mem: move nvdimm_device_list to utilitiesShivaprasad G Bhat
nvdimm_device_list is required for parsing the list for devices in subsequent patches. Move it to common utility area. Signed-off-by: Shivaprasad G Bhat <sbhat@linux.ibm.com> Reviewed-by: Igor Mammedov <imammedo@redhat.com> Reviewed-by: David Gibson <david@gibson.dropbear.id.au> Message-Id: <158131055857.2897.15658377276504711773.stgit@lep8c.aus.stglabs.ibm.com> Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
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