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2021-03-15qapi: net: Add query-netdev commandAlexey Kirillov
The query-netdev command is used to get the configuration of the current network device backends (netdevs). This is the QMP analog of the HMP command "info network" but only for netdevs (i.e. excluding NIC and hubports). The query-netdev command returns an array of objects of the NetdevInfo type, which are an extension of Netdev type. It means that response can be used for netdev-add after small modification. This can be useful for recreate the same netdev configuration. Information about the network device is filled in when it is created or modified and is available through the NetClientState->stored_config. Signed-off-by: Alexey Kirillov <lekiravi@yandex-team.ru> Acked-by: Markus Armbruster <armbru@redhat.com> Signed-off-by: Jason Wang <jasowang@redhat.com>
2021-03-15net: introduce qemu_receive_packet()Jason Wang
Some NIC supports loopback mode and this is done by calling nc->info->receive() directly which in fact suppresses the effort of reentrancy check that is done in qemu_net_queue_send(). Unfortunately we can't use qemu_net_queue_send() here since for loopback there's no sender as peer, so this patch introduce a qemu_receive_packet() which is used for implementing loopback mode for a NIC with this check. NIC that supports loopback mode will be converted to this helper. This is intended to address CVE-2021-3416. Cc: Prasad J Pandit <ppandit@redhat.com> Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com> Cc: qemu-stable@nongnu.org Signed-off-by: Jason Wang <jasowang@redhat.com>
2021-03-15net: validate that ids are well formedPaolo Bonzini
When a network or network device is created from the command line or HMP, QemuOpts ensures that the id passes the id_wellformed check. However, QMP skips this: $ qemu-system-x86_64 -qmp stdio -S -nic user,id=123/456 qemu-system-x86_64: -nic user,id=123/456: Parameter id expects an identifier Identifiers consist of letters, digits, -, ., _, starting with a letter. $ qemu-system-x86_64 -qmp stdio -S {"execute":"qmp_capabilities"} {"return": {}} {"execute":"netdev_add", "arguments": {"type": "user", "id": "123/456"}} {"return": {}} After: $ qemu-system-x86_64 -qmp stdio -S {"execute":"qmp_capabilities"} {"return": {}} {"execute":"netdev_add", "arguments": {"type": "user", "id": "123/456"}} {"error": {"class": "GenericError", "desc": "Parameter "id" expects an identifier"}} Validity checks should be performed always at the bottom of the call chain, because QMP skips all the steps above. At the same time we know that every call chain should go through either QMP or (for legacy) through QemuOpts. Because the id for -net and -nic is automatically generated and not well-formed by design, just add the check to QMP. Cc: Jason Wang <jasowang@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Signed-off-by: Jason Wang <jasowang@redhat.com>
2021-03-15net: Fix build error when DEBUG_NET is onBin Meng
"qemu-common.h" should be included to provide the forward declaration of qemu_hexdump() when DEBUG_NET is on. Signed-off-by: Bin Meng <bin.meng@windriver.com> Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com> Signed-off-by: Jason Wang <jasowang@redhat.com>
2021-03-11Merge remote-tracking branch ↵Peter Maydell
'remotes/vivier2/tags/trivial-branch-for-6.0-pull-request' into staging Pull request # gpg: Signature made Wed 10 Mar 2021 21:56:09 GMT # gpg: using RSA key CD2F75DDC8E3A4DC2E4F5173F30C38BD3F2FBE3C # gpg: issuer "laurent@vivier.eu" # gpg: Good signature from "Laurent Vivier <lvivier@redhat.com>" [full] # gpg: aka "Laurent Vivier <laurent@vivier.eu>" [full] # gpg: aka "Laurent Vivier (Red Hat) <lvivier@redhat.com>" [full] # Primary key fingerprint: CD2F 75DD C8E3 A4DC 2E4F 5173 F30C 38BD 3F2F BE3C * remotes/vivier2/tags/trivial-branch-for-6.0-pull-request: (22 commits) sysemu: Let VMChangeStateHandler take boolean 'running' argument sysemu/runstate: Let runstate_is_running() return bool hw/lm32/Kconfig: Have MILKYMIST select LM32_DEVICES hw/lm32/Kconfig: Rename CONFIG_LM32 -> CONFIG_LM32_DEVICES hw/lm32/Kconfig: Introduce CONFIG_LM32_EVR for lm32-evr/uclinux boards qemu-common.h: Update copyright string to 2021 tests/fp/fp-test: Replace the word 'blacklist' qemu-options: Replace the word 'blacklist' seccomp: Replace the word 'blacklist' scripts/tracetool: Replace the word 'whitelist' ui: Replace the word 'whitelist' virtio-gpu: Adjust code space style exec/memory: Use struct Object typedef fuzz-test: remove unneccessary debugging flags net: Use id_generate() in the network subsystem, too MAINTAINERS: Fix the location of tools manuals vhost_user_gpu: Drop dead check for g_malloc() failure backends/dbus-vmstate: Fix short read error handling target/hexagon/gen_tcg_funcs: Fix a typo hw/elf_ops: Fix a typo ... Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2021-03-09sysemu: Let VMChangeStateHandler take boolean 'running' argumentPhilippe Mathieu-Daudé
The 'running' argument from VMChangeStateHandler does not require other value than 0 / 1. Make it a plain boolean. Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com> Reviewed-by: Alex Bennée <alex.bennee@linaro.org> Acked-by: David Gibson <david@gibson.dropbear.id.au> Message-Id: <20210111152020.1422021-3-philmd@redhat.com> Signed-off-by: Laurent Vivier <laurent@vivier.eu>
2021-03-09net: Use id_generate() in the network subsystem, tooThomas Huth
We already got a global function called id_generate() to create unique IDs within QEMU. Let's use it in the network subsytem, too, instead of inventing our own ID scheme here. Signed-off-by: Thomas Huth <thuth@redhat.com> Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com> Message-Id: <20210215090225.1046239-1-thuth@redhat.com> Signed-off-by: Laurent Vivier <laurent@vivier.eu>
2021-03-09qtest: delete superfluous inclusions of qtest.hChen Qun
There are 23 files that include the "sysemu/qtest.h", but they do not use any qtest functions. Signed-off-by: Chen Qun <kuhn.chenqun@huawei.com> Acked-by: Markus Armbruster <armbru@redhat.com> Message-Id: <20210226081414.205946-1-kuhn.chenqun@huawei.com> Signed-off-by: Thomas Huth <thuth@redhat.com>
2021-01-29Merge remote-tracking branch ↵Peter Maydell
'remotes/vivier2/tags/trivial-branch-for-6.0-pull-request' into staging Trivial patches 20210129 # gpg: Signature made Fri 29 Jan 2021 08:32:17 GMT # gpg: using RSA key CD2F75DDC8E3A4DC2E4F5173F30C38BD3F2FBE3C # gpg: issuer "laurent@vivier.eu" # gpg: Good signature from "Laurent Vivier <lvivier@redhat.com>" [full] # gpg: aka "Laurent Vivier <laurent@vivier.eu>" [full] # gpg: aka "Laurent Vivier (Red Hat) <lvivier@redhat.com>" [full] # Primary key fingerprint: CD2F 75DD C8E3 A4DC 2E4F 5173 F30C 38BD 3F2F BE3C * remotes/vivier2/tags/trivial-branch-for-6.0-pull-request: target/rx: Fix compiler errors for build with sanitizers net/slirp.c: Fix spelling error in error message tcg/tci: Restrict tci_write_reg16() to 64-bit hosts MAINTAINERS: Update 9pfs tree URL Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2021-01-29net/slirp.c: Fix spelling error in error messageDoug Evans
DNS should be DHCP Signed-off-by: Doug Evans <dje@google.com> Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com> Reviewed-by: Samuel Thibault <samuel.thibault@ens-lyon.org> Message-Id: <20210122004251.843837-1-dje@google.com> Signed-off-by: Laurent Vivier <laurent@vivier.eu>
2021-01-28qapi: More complex uses of QAPI_LIST_APPENDEric Blake
These cases require a bit more thought to review; in each case, the code was appending to a list, but not with a FOOList **tail variable. Signed-off-by: Eric Blake <eblake@redhat.com> Reviewed-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com> Message-Id: <20210113221013.390592-6-eblake@redhat.com> Reviewed-by: Markus Armbruster <armbru@redhat.com> [Flawed change to qmp_guest_network_get_interfaces() dropped] Signed-off-by: Markus Armbruster <armbru@redhat.com>
2021-01-28net: Clarify early exit conditionEric Blake
On first glance, the loop in qmp_query_rx_filter() has early return paths that could leak any allocation of filter_list from a previous iteration. But on closer inspection, it is obvious that all of the early exits are guarded by has_name, and that the bulk of the loop body can be executed at most once if the user is filtering by name, thus, any early exit coincides with an empty list. Add asserts to make this obvious. Signed-off-by: Eric Blake <eblake@redhat.com> Reviewed-by: Markus Armbruster <armbru@redhat.com> Message-Id: <20210113221013.390592-2-eblake@redhat.com> Reviewed-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com> Signed-off-by: Markus Armbruster <armbru@redhat.com>
2021-01-25net: checksum: Introduce fine control over checksum typeBin Meng
At present net_checksum_calculate() blindly calculates all types of checksums (IP, TCP, UDP). Some NICs may have a per type setting in their BDs to control what checksum should be offloaded. To support such hardware behavior, introduce a 'csum_flag' parameter to the net_checksum_calculate() API to allow fine control over what type checksum is calculated. Existing users of this API are updated accordingly. Signed-off-by: Bin Meng <bin.meng@windriver.com> Signed-off-by: Jason Wang <jasowang@redhat.com>
2021-01-25net: checksum: Add IP header checksum calculationGuishan Qin
At present net_checksum_calculate() only calculates TCP/UDP checksum in an IP packet, but assumes the IP header checksum to be provided by the software, e.g.: Linux kernel always calculates the IP header checksum. However this might not always be the case, e.g.: for an IP checksum offload enabled stack like VxWorks, the IP header checksum can be zero. This adds the checksum calculation of the IP header. Signed-off-by: Guishan Qin <guishan.qin@windriver.com> Signed-off-by: Yabing Liu <yabing.liu@windriver.com> Signed-off-by: Bin Meng <bin.meng@windriver.com> Reviewed-by: Cédric Le Goater <clg@kaod.org> Signed-off-by: Jason Wang <jasowang@redhat.com>
2021-01-25net: checksum: Skip fragmented IP packetsMarkus Carlstedt
To calculate the TCP/UDP checksum we need the whole datagram. Unless the hardware has some logic to collect all fragments before sending the whole datagram first, it can only be done by the network stack, which is normally the case for the NICs we have seen so far. Skip these fragmented IP packets to avoid checksum corruption. Signed-off-by: Markus Carlstedt <markus.carlstedt@windriver.com> Signed-off-by: Bin Meng <bin.meng@windriver.com> Signed-off-by: Jason Wang <jasowang@redhat.com>
2021-01-25net: Fix handling of id in netdev_add and netdev_delMarkus Armbruster
CLI -netdev accumulates in option group "netdev". Before commit 08712fcb85 "net: Track netdevs in NetClientState rather than QemuOpt", netdev_add added to the option group, and netdev_del removed from it, both HMP and QMP. Thus, every netdev had a corresponding QemuOpts in this option group. Commit 08712fcb85 dropped this for QMP netdev_add and both netdev_del. Now a netdev has a corresponding QemuOpts only when it was created with CLI or HMP. Two issues: * QMP and HMP netdev_del can leave QemuOpts behind, breaking HMP netdev_add. Reproducer: $ qemu-system-x86_64 -S -display none -nodefaults -monitor stdio QEMU 5.1.92 monitor - type 'help' for more information (qemu) netdev_add user,id=net0 (qemu) info network net0: index=0,type=user,net=10.0.2.0,restrict=off (qemu) netdev_del net0 (qemu) info network (qemu) netdev_add user,id=net0 upstream-qemu: Duplicate ID 'net0' for netdev Try "help netdev_add" for more information Fix by restoring the QemuOpts deletion in qmp_netdev_del(), but with a guard, because the QemuOpts need not exist. * QMP netdev_add loses its "no duplicate ID" check. Reproducer: $ qemu-system-x86_64 -S -display none -qmp stdio {"QMP": {"version": {"qemu": {"micro": 92, "minor": 1, "major": 5}, "package": "v5.2.0-rc2-1-g02c1f0142c"}, "capabilities": ["oob"]}} {"execute": "qmp_capabilities"} {"return": {}} {"execute": "netdev_add", "arguments": {"type": "user", "id":"net0"}} {"return": {}} {"execute": "netdev_add", "arguments": {"type": "user", "id":"net0"}} {"return": {}} Fix by adding a duplicate ID check to net_client_init1() to replace the lost one. The check is redundant for callers where QemuOpts still checks, i.e. for CLI and HMP. Reported-by: Andrew Melnichenko <andrew@daynix.com> Fixes: 08712fcb851034228b61f75bd922863a984a4f60 Cc: qemu-stable@nongnu.org Signed-off-by: Markus Armbruster <armbru@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com> Signed-off-by: Jason Wang <jasowang@redhat.com>
2021-01-08Remove superfluous timer_del() callsPeter Maydell
This commit is the result of running the timer-del-timer-free.cocci script on the whole source tree. Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Acked-by: Corey Minyard <cminyard@mvista.com> Acked-by: Paolo Bonzini <pbonzini@redhat.com> Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Message-id: 20201215154107.3255-4-peter.maydell@linaro.org
2020-12-15netfilter: Use class propertiesEduardo Habkost
Instance properties make introspection hard and are not shown by "-object ...,help". Convert them to class properties. Signed-off-by: Eduardo Habkost <ehabkost@redhat.com> Message-Id: <20201111183823.283752-12-ehabkost@redhat.com> Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
2020-12-15netfilter: Reorder functionsEduardo Habkost
Trivial code reordering in some filter backends, to make the next changes easier to review. Signed-off-by: Eduardo Habkost <ehabkost@redhat.com> Message-Id: <20201111183823.283752-11-ehabkost@redhat.com> Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
2020-12-15can_host: Use class propertiesEduardo Habkost
Instance properties make introspection hard and are not shown by "-object ...,help". Convert them to class properties. Signed-off-by: Eduardo Habkost <ehabkost@redhat.com> Tested-by: Pavel Pisa <pisa@cmp.felk.cvut.cz> Message-Id: <20201111183823.283752-9-ehabkost@redhat.com> Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
2020-12-11can-host: Fix crash when 'canbus' property is not setKevin Wolf
Providing the 'if' property, but not 'canbus' segfaults like this: #0 0x0000555555b0f14d in can_bus_insert_client (bus=0x0, client=0x555556aa9af0) at ../net/can/can_core.c:88 #1 0x00005555559c3803 in can_host_connect (ch=0x555556aa9ac0, errp=0x7fffffffd568) at ../net/can/can_host.c:62 #2 0x00005555559c386a in can_host_complete (uc=0x555556aa9ac0, errp=0x7fffffffd568) at ../net/can/can_host.c:72 #3 0x0000555555d52de9 in user_creatable_complete (uc=0x555556aa9ac0, errp=0x7fffffffd5c8) at ../qom/object_interfaces.c:23 Add the missing NULL check. Signed-off-by: Kevin Wolf <kwolf@redhat.com> Message-Id: <20201130105615.21799-5-kwolf@redhat.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2020-12-10qerror: Eliminate QERR_ macros used in just one placeMarkus Armbruster
Signed-off-by: Markus Armbruster <armbru@redhat.com> Message-Id: <20201113082626.2725812-3-armbru@redhat.com>
2020-11-24net: Use correct default-path macro for downscriptKeqian Zhu
Fixes: 63c4db4c2e6d (net: relocate paths to helpers and scripts) Signed-off-by: Keqian Zhu <zhukeqian1@huawei.com> Signed-off-by: Jason Wang <jasowang@redhat.com>
2020-11-24tap: fix a memory leakyuanjungong
Close fd before returning. Buglink: https://bugs.launchpad.net/qemu/+bug/1904486 Signed-off-by: yuanjungong <ruc_gongyuanjun@163.com> Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Jason Wang <jasowang@redhat.com>
2020-11-24net: purge queued rx packets on queue deletionYuri Benditovich
https://bugzilla.redhat.com/show_bug.cgi?id=1829272 When deleting queue pair, purge pending RX packets if any. Example of problematic flow: 1. Bring up q35 VM with tap (vhost off) and virtio-net or e1000e 2. Run ping flood to the VM NIC ( 1 ms interval) 3. Hot unplug the NIC device (device_del) During unplug process one or more packets come, the NIC can't receive, tap disables read_poll 4. Hot plug the device (device_add) with the same netdev The tap stays with read_poll disabled and does not receive any packets anymore (tap_send never triggered) Signed-off-by: Yuri Benditovich <yuri.benditovich@daynix.com> Signed-off-by: Jason Wang <jasowang@redhat.com>
2020-11-24net: do not exit on "netdev_add help" monitor commandPaolo Bonzini
"netdev_add help" is causing QEMU to exit because the code that invokes show_netdevs is shared between CLI and HMP processing. Move the check to the callers so that exit(0) remains only in the CLI flow. "netdev_add help" is not fixed by this patch; that is left for later work. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Signed-off-by: Jason Wang <jasowang@redhat.com>
2020-11-11net/l2tpv3: Remove redundant check in net_init_l2tpv3()AlexChen
The result has been checked to be NULL before, it cannot be NULL here, so the check is redundant. Remove it. Reported-by: Euler Robot <euler.robot@huawei.com> Signed-off-by: AlexChen <alex.chen@huawei.com> Signed-off-by: Jason Wang <jasowang@redhat.com>
2020-11-11net: remove an assert call in eth_get_gso_typePrasad J Pandit
eth_get_gso_type() routine returns segmentation offload type based on L3 protocol type. It calls g_assert_not_reached if L3 protocol is unknown, making the following return statement unreachable. Remove the g_assert call, it maybe triggered by a guest user. Reported-by: Gaoning Pan <pgn@zju.edu.cn> Signed-off-by: Prasad J Pandit <pjp@fedoraproject.org> Signed-off-by: Jason Wang <jasowang@redhat.com>
2020-11-11net/colo-compare.c: Increase default queued packet scan frequencyZhang Chen
In my test, use this default parameter looks better. Signed-off-by: Zhang Chen <chen.zhang@intel.com> Signed-off-by: Jason Wang <jasowang@redhat.com>
2020-11-11net/colo-compare.c: Add secondary old packet detectionZhang Chen
Detect queued secondary packet to sync VM state in time. Signed-off-by: Zhang Chen <chen.zhang@intel.com> Reviewed-by: Li Zhijian <lizhijian@cn.fujitsu.com> Signed-off-by: Jason Wang <jasowang@redhat.com>
2020-11-11net/colo-compare.c: Change the timer clock typeZhang Chen
The virtual clock only runs during the emulation. It stops when the virtual machine is stopped. The host clock should be used for device models that emulate accurate real time sources. It will continue to run when the virtual machine is suspended. COLO need to know the host time here. Fixes: dd321ecfc2e ("colo-compare: Use IOThread to Check old packet regularly and Process packets of the primary") Reported-by: Derek Su <dereksu@qnap.com> Signed-off-by: Zhang Chen <chen.zhang@intel.com> Reviewed-by: Li Zhijian <lizhijian@cn.fujitsu.com> Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com> Signed-off-by: Jason Wang <jasowang@redhat.com>
2020-11-11net/colo-compare.c: Fix compare_timeout format issueZhang Chen
This parameter need compare with the return of qemu_clock_get_ms(), it is uint64_t. So we need fix this issue here. Fixes: 9cc43c94b31 ("net/colo-compare.c: Expose "compare_timeout" to users") Reported-by: Derek Su <dereksu@qnap.com> Signed-off-by: Zhang Chen <chen.zhang@intel.com> Reviewed-by: Li Zhijian <lizhijian@cn.fujitsu.com> Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com> Signed-off-by: Jason Wang <jasowang@redhat.com>
2020-11-11colo-compare: check mark in mutual exclusionLi Zhijian
Signed-off-by: Li Zhijian <lizhijian@cn.fujitsu.com> Signed-off-by: Zhang Chen <chen.zhang@intel.com> Reviewed-by: Zhang Chen <chen.zhang@intel.com> Signed-off-by: Jason Wang <jasowang@redhat.com>
2020-11-11colo-compare: fix missing compare_seq initializationLi Zhijian
Fixes: f449c9e549c ("colo: compare the packet based on the tcp sequence number") Signed-off-by: Li Zhijian <lizhijian@cn.fujitsu.com> Signed-off-by: Zhang Chen <chen.zhang@intel.com> Reviewed-by: Zhang Chen <chen.zhang@intel.com> Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com> Signed-off-by: Jason Wang <jasowang@redhat.com>
2020-11-11Optimize seq_sorter function for colo-compareRao, Lei
The seq of tcp has been filled in fill_pkt_tcp_info, it can be used directly here. Signed-off-by: Lei Rao <lei.rao@intel.com> Signed-off-by: Zhang Chen <chen.zhang@intel.com> Reviewed-by: Li Zhijian <lizhijian@cn.fujitsu.com> Reviewed-by: Zhang Chen <chen.zhang@intel.com> Signed-off-by: Jason Wang <jasowang@redhat.com>
2020-11-11net/filter-rewriter: destroy g_hash_table in colo_rewriter_cleanupPan Nengyuan
s->connection_track_table forgot to destroy in colo_rewriter_cleanup. Fix it. Reported-by: Euler Robot <euler.robot@huawei.com> Signed-off-by: Pan Nengyuan <pannengyuan@huawei.com> Signed-off-by: Zhang Chen <chen.zhang@intel.com> Reviewed-by: Zhang Chen <chen.zhang@intel.com> Reviewed-by: Li Qiang <liq3ea@gmail.com> Signed-off-by: Jason Wang <jasowang@redhat.com>
2020-11-03net: Add vhost-vdpa in show_netdevs()Cindy Lu
Fix the bug that while Check qemu supported netdev, there is no vhost-vdpa Signed-off-by: Cindy Lu <lulu@redhat.com> Message-Id: <20201016030909.9522-2-lulu@redhat.com> Acked-by: Jason Wang <jasowang@redhat.com> Reviewed-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2020-11-03vhost-vdpa: Add qemu_close in vhost_vdpa_cleanupCindy Lu
fix the bug that fd will still open after the cleanup Signed-off-by: Cindy Lu <lulu@redhat.com> Message-Id: <20201016030909.9522-1-lulu@redhat.com> Acked-by: Jason Wang <jasowang@redhat.com> Reviewed-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2020-10-30vhost-vdpa: negotiate VIRTIO_NET_F_STATUS with driverSi-Wei Liu
Vendor driver may not support or implement config interrupt delivery for link status notifications. In this event, vendor driver is expected to NACK the feature, but guest will keep link always up. Signed-off-by: Si-Wei Liu <si-wei.liu@oracle.com> Message-Id: <1601582985-14944-1-git-send-email-si-wei.liu@oracle.com> Reviewed-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2020-10-22replay: do not build if TCG is not availableClaudio Fontana
this fixes non-TCG builds broken recently by replay reverse debugging. Stub the needed functions in stub/, splitting roughly between functions needed only by system emulation, by system emulation and tools, and by everyone. This includes duplicating some code in replay/, and puts the logic for non-replay related events in the replay/ module (+ the stubs), so this should be revisited in the future. Surprisingly, only _one_ qtest was affected by this, ide-test.c, which resulted in a buzz as the bh events were never delivered, and the bh never executed. Many other subsystems _should_ have been affected. This fixes the immediate issue, however a better way to group replay functionality to TCG-only code could be developed in the long term. Signed-off-by: Claudio Fontana <cfontana@suse.de> Message-Id: <20201013192123.22632-4-cfontana@suse.de> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2020-10-13can-host-socketcan: Fix crash when 'if' option is not setEduardo Habkost
Fix the following crash: $ qemu-system-x86_64 -object can-host-socketcan,id=obj0 Segmentation fault (core dumped) Signed-off-by: Eduardo Habkost <ehabkost@redhat.com> Reviewed-by: Li Qiang <liq3ea@gmail.com> Acked-by: Pavel Pisa <pisa@cmp.felk.cvut.cz> Message-Id: <20201008202713.1416823-3-ehabkost@redhat.com> Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
2020-10-09monitor: Use getter/setter functions for cur_monKevin Wolf
cur_mon really needs to be coroutine-local as soon as we move monitor command handlers to coroutines and let them yield. As a first step, just remove all direct accesses to cur_mon so that we can implement this in the getter function later. Signed-off-by: Kevin Wolf <kwolf@redhat.com> Message-Id: <20201005155855.256490-4-kwolf@redhat.com> Reviewed-by: Markus Armbruster <armbru@redhat.com> Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com> Signed-off-by: Markus Armbruster <armbru@redhat.com>
2020-10-06slirp: Convert Makefile bits to meson bitsPaolo Bonzini
SLIRP uses Meson so it could become a subproject in the future, but our choice of configure options is not yet supported in Meson (https://github.com/mesonbuild/meson/pull/7740). For now, build the library via the main meson.build just like for capstone. This improves the current state of affairs in that we will re-link the qemu executables against a changed libslirp.a, which we wouldn't do before-hand. Tested-by: Richard Henderson <richard.henderson@linaro.org> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2020-09-30net/can: Add can_dlc2len and can_len2dlc for CAN FD.Jan Charvat
Signed-off-by: Jan Charvat <charvj10@fel.cvut.cz> Signed-off-by: Pavel Pisa <pisa@cmp.felk.cvut.cz> Reviewed-by: Vikram Garhwal <fnu.vikram@xilinx.com> Message-Id: <0a2efc6ef9c458505952ed230e49ae25cad7f324.1600069689.git.pisa@cmp.felk.cvut.cz> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2020-09-30net/can: Initial host SocketCan support for CAN FD.Jan Charvat
Signed-off-by: Jan Charvat <charvj10@fel.cvut.cz> Signed-off-by: Pavel Pisa <pisa@cmp.felk.cvut.cz> Reviewed-by: Vikram Garhwal <fnu.vikram@xilinx.com> Message-Id: <41383d4eb3f35586c696a8e29c4dff4031a81338.1600069689.git.pisa@cmp.felk.cvut.cz> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2020-09-30net: relocate paths to helpers and scriptsPaolo Bonzini
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2020-09-29vhost-user: save features of multiqueues if chardev is closedhaibinzhang(张海斌)
Fore-commit(c6beefd674) only saves features of queue0, this makes wrong features of other queues in multiqueues situation. For examples: qemu-system-aarch64 ... \ -chardev socket,id=charnet0,path=/var/run/vhost_sock \ -netdev vhost-user,chardev=charnet0,queues=2,id=hostnet0 \ ... There are two queues in nic assocated with one chardev. When chardev is reconnected, it is necessary to save and restore features of all queues. Signed-of-by: Haibin Zhang <haibinzhang@tencent.com> Message-Id: <46CBC206-E0CA-4249-81CD-10F75DA30441@tencent.com> Reviewed-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2020-09-18Use OBJECT_DECLARE_SIMPLE_TYPE when possibleEduardo Habkost
This converts existing DECLARE_INSTANCE_CHECKER usage to OBJECT_DECLARE_SIMPLE_TYPE when possible. $ ./scripts/codeconverter/converter.py -i \ --pattern=AddObjectDeclareSimpleType $(git grep -l '' -- '*.[ch]') Signed-off-by: Eduardo Habkost <ehabkost@redhat.com> Acked-by: Paul Durrant <paul@xen.org> Message-Id: <20200916182519.415636-6-ehabkost@redhat.com> Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
2020-09-16util: rename qemu_open() to qemu_open_old()Daniel P. Berrangé
We want to introduce a new version of qemu_open() that uses an Error object for reporting problems and make this it the preferred interface. Rename the existing method to release the namespace for the new impl. Reviewed-by: Eric Blake <eblake@redhat.com> Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com> Reviewed-by: Markus Armbruster <armbru@redhat.com> Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
2020-09-12Merge remote-tracking branch ↵Peter Maydell
'remotes/vivier2/tags/trivial-branch-for-5.2-pull-request' into staging trivial patches pull request 20200911 # gpg: Signature made Fri 11 Sep 2020 20:32:27 BST # gpg: using RSA key CD2F75DDC8E3A4DC2E4F5173F30C38BD3F2FBE3C # gpg: issuer "laurent@vivier.eu" # gpg: Good signature from "Laurent Vivier <lvivier@redhat.com>" [full] # gpg: aka "Laurent Vivier <laurent@vivier.eu>" [full] # gpg: aka "Laurent Vivier (Red Hat) <lvivier@redhat.com>" [full] # Primary key fingerprint: CD2F 75DD C8E3 A4DC 2E4F 5173 F30C 38BD 3F2F BE3C * remotes/vivier2/tags/trivial-branch-for-5.2-pull-request: target/i386/kvm: Add missing fallthrough comment util/hexdump: Reorder qemu_hexdump() arguments util/hexdump: Convert to take a void pointer argument hw/arm/pxa2xx: Add missing fallthrough comment target/i386/kvm: Rename host_tsx_blacklisted() as host_tsx_broken() test-vmstate: remove unnecessary code in match_interval_mapping_node hw: hyperv: vmbus: Fix 32bit compilation kconfig: fix comment referring to old Makefiles meson.build: tweak sdl-image error message hw/net/e1000e: Remove duplicated write handler for FLSWDATA register hw/net/e1000e: Remove overwritten read handler for STATUS register Makefile: Skip the meson subdir in cscope/TAGS/ctags Makefile: Drop extra phony cscope hw/gpio/max7310: Replace disabled printf() by qemu_log_mask(UNIMP) hw/gpio/omap_gpio: Replace fprintf() by qemu_log_mask(GUEST_ERROR) hw/acpi/tco: Remove unused definitions hw/isa/isa-bus: Replace hw_error() by assert() hw/mips/fuloong2e: Convert pointless error message to an assert() Signed-off-by: Peter Maydell <peter.maydell@linaro.org> # Conflicts: # net/colo-compare.c
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