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2021-03-17tcg/tci: Split out tci_args_rrRichard Henderson
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2021-03-17tcg/tci: Split out tci_args_rrsRichard Henderson
Begin splitting out functions that do pure argument decode, without actually loading values from the register set. This means that decoding need not concern itself between input and output registers. We can assert that the register number is in range during decode, so that it is safe to simply dereference from regs[] later. Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2021-03-17tcg/tci: Rename tci_read_r to tci_read_rvalRichard Henderson
In the next patches, we want to use tci_read_r to return the raw register number. So rename the existing function, which returns the register value, to tci_read_rval. Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2021-03-17tcg/tci: Remove ifdefs for TCG_TARGET_HAS_ext32[us]_i64Richard Henderson
These operations are always available under different names: INDEX_op_ext_i32_i64 and INDEX_op_extu_i32_i64, so we remove no code with the ifdef. Reviewed-by: Stefan Weil <sw@weilnetz.de> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2021-03-17Merge remote-tracking branch 'remotes/vivier/tags/m68k-for-6.0-pull-request' ↵Peter Maydell
into staging m68k pull request 20210315 Add m68k virt machine # gpg: Signature made Mon 15 Mar 2021 20:41:51 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/vivier/tags/m68k-for-6.0-pull-request: m68k: add Virtual M68k Machine m68k: add a system controller m68k: add an interrupt controller hw/intc: add goldfish-pic hw/char: add goldfish-tty Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2021-03-17Merge remote-tracking branch ↵Peter Maydell
'remotes/dgilbert-gitlab/tags/pull-virtiofs-20210315' into staging virtiofs and migration pull 2021-03-15 Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com> # gpg: Signature made Mon 15 Mar 2021 20:03:03 GMT # gpg: using RSA key 45F5C71B4A0CB7FB977A9FA90516331EBC5BFDE7 # gpg: Good signature from "Dr. David Alan Gilbert (RH2) <dgilbert@redhat.com>" [full] # Primary key fingerprint: 45F5 C71B 4A0C B7FB 977A 9FA9 0516 331E BC5B FDE7 * remotes/dgilbert-gitlab/tags/pull-virtiofs-20210315: migration: Replaced qemu_mutex_lock calls with QEMU_LOCK_GUARD monitor: Replaced qemu_mutex_lock calls with QEMU_LOCK_GUARD migration/tls: add error handling in multifd_tls_handshake_thread migration/tls: fix inverted semantics in multifd_channel_connect virtiofsd: Convert some functions to return bool virtiofsd: Don't allow empty paths in lookup_name() virtiofsd: Don't allow empty filenames virtiofsd: Add qemu version and copyright info virtiofsd: Release vu_dispatch_lock when stopping queue Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2021-03-17hw/core: Only build guest-loader if libfdt is availablePhilippe Mathieu-Daudé
Add a Kconfig entry for guest-loader so we can optionally deselect it (default is built in), and add a Meson dependency on libfdt. This fixes when building with --disable-fdt: /usr/bin/ld: libcommon.fa.p/hw_core_guest-loader.c.o: in function `loader_insert_platform_data': hw/core/guest-loader.c:56: undefined reference to `qemu_fdt_add_subnode' /usr/bin/ld: hw/core/guest-loader.c:57: undefined reference to `qemu_fdt_setprop' /usr/bin/ld: hw/core/guest-loader.c:61: undefined reference to `qemu_fdt_setprop_string_array' /usr/bin/ld: hw/core/guest-loader.c:68: undefined reference to `qemu_fdt_setprop_string' /usr/bin/ld: hw/core/guest-loader.c:74: undefined reference to `qemu_fdt_setprop_string_array' collect2: error: ld returned 1 exit status Fixes: a33ff6d2c6b ("hw/core: implement a guest-loader to support static hypervisor guests") Reported-by: Christian Borntraeger <borntraeger@de.ibm.com> Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com> Tested-by: Christian Borntraeger <borntraeger@de.ibm.com> Reviewed-by: Alistair Francis <alistair.francis@wdc.com> Message-Id: <20210315170439.2868903-1-philmd@redhat.com> Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
2021-03-17plugins: Fixes typo in qemu-plugin.hYonggang Luo
Getting the comment consistence with the function name Signed-off-by: Yonggang Luo <luoyonggang@gmail.com> Signed-off-by: Alex Bennée <alex.bennee@linaro.org> Message-Id: <20201013002806.1447-3-luoyonggang@gmail.com> Message-Id: <20210312172821.31647-15-alex.bennee@linaro.org>
2021-03-17plugins: getting qemu_plugin_get_hwaddr only expose one function prototypeYonggang Luo
This is used for counting how much function are export to qemu plugin. Signed-off-by: Yonggang Luo <luoyonggang@gmail.com> Signed-off-by: Alex Bennée <alex.bennee@linaro.org> Reviewed-by: Alex Bennée <alex.bennee@linaro.org> Message-Id: <20201013002806.1447-2-luoyonggang@gmail.com> Message-Id: <20210312172821.31647-14-alex.bennee@linaro.org>
2021-03-17plugins: expand kernel-doc for memory query and instrumentationAlex Bennée
Signed-off-by: Alex Bennée <alex.bennee@linaro.org> Message-Id: <20210312172821.31647-13-alex.bennee@linaro.org>
2021-03-17plugins: expand kernel-doc for instruction query and instrumentationAlex Bennée
Signed-off-by: Alex Bennée <alex.bennee@linaro.org> Message-Id: <20210312172821.31647-12-alex.bennee@linaro.org>
2021-03-17plugins: expand inline exec kernel-doc documentation.Alex Bennée
Remove the extraneous @cb parameter and document the non-atomic nature of the INLINE_ADD_U64 operation. Signed-off-by: Alex Bennée <alex.bennee@linaro.org> Message-Id: <20210312172821.31647-11-alex.bennee@linaro.org>
2021-03-17plugins: add qemu_plugin_id_t to kernel-docAlex Bennée
Signed-off-by: Alex Bennée <alex.bennee@linaro.org> Message-Id: <20210312172821.31647-10-alex.bennee@linaro.org>
2021-03-17plugins: add qemu_plugin_cb_flags to kernel-docAlex Bennée
Also add a note to explain currently they are unused. Signed-off-by: Alex Bennée <alex.bennee@linaro.org> Message-Id: <20210312172821.31647-9-alex.bennee@linaro.org>
2021-03-17plugins: expand the typedef kernel-docs for translationAlex Bennée
Signed-off-by: Alex Bennée <alex.bennee@linaro.org> Message-Id: <20210312172821.31647-8-alex.bennee@linaro.org>
2021-03-17plugins: expand the callback typedef kernel-docsAlex Bennée
Signed-off-by: Alex Bennée <alex.bennee@linaro.org> Message-Id: <20210312172821.31647-7-alex.bennee@linaro.org>
2021-03-17plugins: cleanup kernel-doc for qemu_plugin_installAlex Bennée
kernel-doc doesn't like multiple Note sections. Also add an explicit Return. Signed-off-by: Alex Bennée <alex.bennee@linaro.org> Message-Id: <20210312172821.31647-6-alex.bennee@linaro.org>
2021-03-17plugins: expand kernel-doc for qemu_info_tAlex Bennée
It seems kernel-doc struggles a bit with typedef structs but with enough encouragement we can get something out of it. Signed-off-by: Alex Bennée <alex.bennee@linaro.org> Message-Id: <20210312172821.31647-5-alex.bennee@linaro.org>
2021-03-17plugins: Expose physical addresses instead of device offsetsAaron Lindsay
This allows plugins to query for full virtual-to-physical address translation for a given `qemu_plugin_hwaddr` and stops exposing the offset within the device itself. As this change breaks the API, QEMU_PLUGIN_VERSION is incremented. Signed-off-by: Aaron Lindsay <aaron@os.amperecomputing.com> Signed-off-by: Alex Bennée <alex.bennee@linaro.org> Message-Id: <20210309202802.211756-1-aaron@os.amperecomputing.com> Message-Id: <20210312172821.31647-3-alex.bennee@linaro.org>
2021-03-17plugins: new syscalls pluginMatthias Weckbecker
This commit adds a new syscalls plugin that displays the syscalls as they are executed and returned. This plugin outputs the number of the syscall as well as the syscall return value. Works in *-user only. Essentially, this commit restores: https://lists.gnu.org/archive/html/qemu-devel/2018-06/msg00846.html by using the new QEMU plugin API. Signed-off-by: Matthias Weckbecker <matthias@weckbecker.name> Signed-off-by: Alex Bennée <alex.bennee@linaro.org> Message-Id: <20200812115816.4454-1-matthias@weckbecker.name> Message-Id: <20210312172821.31647-2-alex.bennee@linaro.org>
2021-03-17utils: Use fixed-point arithmetic in qemu_strtoszRichard Henderson
Once we've parsed the fractional value, extract it into an integral 64-bit fraction. Perform the scaling with integer arithmetic, and simplify the overflow detection. Reviewed-by: Eric Blake <eblake@redhat.com> Signed-off-by: Richard Henderson <richard.henderson@linaro.org> Signed-off-by: Alex Bennée <alex.bennee@linaro.org> Message-Id: <20210315185117.1986240-2-richard.henderson@linaro.org>
2021-03-16tests/acceptance: linux-related tests fixPavel Dovgalyuk
This patch allows cloudinit images download when ssh key is not specified. Signed-off-by: Pavel Dovgalyuk <Pavel.Dovgalyuk@ispras.ru> Message-Id: <161373266228.1608713.7614311331725780044.stgit@pasha-ThinkPad-X280> Reviewed-by: Willian Rampazzo <willianr@redhat.com> Signed-off-by: Cleber Rosa <crosa@redhat.com>
2021-03-16tests: Add functional test for out-of-process device emulationJagannathan Raman
Runs the Avocado acceptance test to check if a remote lsi53c895a device gets identified by the guest. Signed-off-by: Elena Ufimtseva <elena.ufimtseva@oracle.com> Signed-off-by: John G Johnson <john.g.johnson@oracle.com> Signed-off-by: Jagannathan Raman <jag.raman@oracle.com> Reviewed-by: Wainer dos Santos Moschetta <wainersm@redhat.com> Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com> [WR: Refactored code] Signed-off-by: Willian Rampazzo <willianr@redhat.com> Tested-by: Wainer dos Santos Moschetta <wainersm@redhat.com> Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com> Reviewed-by: Cleber Rosa <crosa@redhat.com> Tested-by: Cleber Rosa <crosa@redhat.com> Message-Id: <20210303205320.146047-3-willianr@redhat.com> Signed-off-by: Cleber Rosa <crosa@redhat.com>
2021-03-16avocado_qemu: add exec_command functionWillian Rampazzo
Sometimes a test needs to send a command to a console without waiting for a pattern as a result, or the command issued do not produce any kind of output, like, for example, a `mount` command. This introduces the `exec_command` function to the avocado_qemu, allowing the test to send a command to the console without the need to match a pattern produced as a result. Signed-off-by: Willian Rampazzo <willianr@redhat.com> Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com> Reviewed-by: Wainer dos Santos Moschetta <wainersm@redhat.com> Reviewed-by: Cleber Rosa <crosa@redhat.com> Tested-by: Cleber Rosa <crosa@redhat.com> Message-Id: <20210303205320.146047-2-willianr@redhat.com> Signed-off-by: Cleber Rosa <crosa@redhat.com>
2021-03-16qga: return a more explicit error on why a command is disabledMarc-André Lureau
qmp_disable_command() now takes an optional error string to return a more explicit error message. Fixes: https://bugzilla.redhat.com/show_bug.cgi?id=1928806 Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com> *fix up 80+ char line Signed-off-by: Michael Roth <michael.roth@amd.com>
2021-03-16qga: Switch and case should be at the same indentAlexChen
Reported-by: Euler Robot <euler.robot@huawei.com> Signed-off-by: AlexChen <alex.chen@huawei.com> Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com> Signed-off-by: Michael Roth <michael.roth@amd.com>
2021-03-16qga: Open brace '{' following struct go on the sameAlexChen
Reported-by: Euler Robot <euler.robot@huawei.com> Signed-off-by: AlexChen <alex.chen@huawei.com> Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com> Signed-off-by: Michael Roth <michael.roth@amd.com>
2021-03-16qga: Delete redundant spacesAlexChen
Reported-by: Euler Robot <euler.robot@huawei.com> Signed-off-by: AlexChen <alex.chen@huawei.com> Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com> Signed-off-by: Michael Roth <michael.roth@amd.com>
2021-03-16qga: Add spaces around operatorAlexChen
Reported-by: Euler Robot <euler.robot@huawei.com> Signed-off-by: AlexChen <alex.chen@huawei.com> Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com> *fix 80+ char violation while we're here *fix w32 build breakage from changing INVALID_SET_FILE_POINTER definition from a cast to a subtraction Signed-off-by: Michael Roth <michael.roth@amd.com>
2021-03-16tests/migration: fix unix socket batch migrationHyman
when execute the following test command: "guestperf-batch.py --dst-host localhost --transport unix ..." test aborts and error message as the following be throwed: "launching VM Failed: [Errno 98] Address already in use". The reason is that batch script use the same monitor socket in all test cases and do not remove the socket file. The second migration test will launch vm use the same socket file as the first, so we get the error message. To fix it, just remove the socket file each time we have done the migration test. Signed-off-by: Hyman <huangy81@chinatelecom.cn> Message-Id: <c3fc438993b87a6ab0bea3d07f6ca0260d29936e.1615397103.git.huangy81@chinatelecom.cn> Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com> Signed-off-by: Cleber Rosa <crosa@redhat.com>
2021-03-16tests/acceptance: Print expected message on wait_for_console_patternWainer dos Santos Moschetta
For the sake of improve debuggability of tests which use the wait_for_console_pattern(), this changed the _console_interaction() so that the expected message is printed if the test fail. Signed-off-by: Wainer dos Santos Moschetta <wainersm@redhat.com> Message-Id: <20210309153507.1905682-1-wainersm@redhat.com> Reviewed-by: Joel Stanley <joel@jms.id.au> Reviewed-by: Willian Rampazzo <willianr@redhat.com> Reviewed-by: Cleber Rosa <crosa@redhat.com> Tested-by: Cleber Rosa <crosa@redhat.com> Signed-off-by: Cleber Rosa <crosa@redhat.com>
2021-03-16qga: Correct loop count in qmp_guest_get_vcpus()Lin Ma
The guest-get-vcpus returns incorrect vcpu info in case we hotunplug vcpus(not the last one). e.g.: A VM has 4 VCPUs: cpu0 + 3 hotunpluggable online vcpus(cpu1, cpu2 and cpu3). Hotunplug cpu2, Now only cpu0, cpu1 and cpu3 are present & online. ./qmp-shell /tmp/qmp-monitor.sock (QEMU) query-hotpluggable-cpus {"return": [ {"props": {"core-id": 0, "thread-id": 0, "socket-id": 3}, "vcpus-count": 1, "qom-path": "/machine/peripheral/cpu3", "type": "host-x86_64-cpu"}, {"props": {"core-id": 0, "thread-id": 0, "socket-id": 2}, "vcpus-count": 1, "qom-path": "/machine/peripheral/cpu2", "type": "host-x86_64-cpu"}, {"props": {"core-id": 0, "thread-id": 0, "socket-id": 1}, "vcpus-count": 1, "qom-path": "/machine/peripheral/cpu1", "type": "host-x86_64-cpu"}, {"props": {"core-id": 0, "thread-id": 0, "socket-id": 0}, "vcpus-count": 1, "qom-path": "/machine/unattached/device[0]", "type": "host-x86_64-cpu"} ]} (QEMU) device_del id=cpu2 {"return": {}} (QEMU) query-hotpluggable-cpus {"return": [ {"props": {"core-id": 0, "thread-id": 0, "socket-id": 3}, "vcpus-count": 1, "qom-path": "/machine/peripheral/cpu3", "type": "host-x86_64-cpu"}, {"props": {"core-id": 0, "thread-id": 0, "socket-id": 2}, "vcpus-count": 1, "type": "host-x86_64-cpu"}, {"props": {"core-id": 0, "thread-id": 0, "socket-id": 1}, "vcpus-count": 1, "qom-path": "/machine/peripheral/cpu1", "type": "host-x86_64-cpu"}, {"props": {"core-id": 0, "thread-id": 0, "socket-id": 0}, "vcpus-count": 1, "qom-path": "/machine/unattached/device[0]", "type": "host-x86_64-cpu"} ]} Before: ./qmp-shell -N /tmp/qmp-ga.sock Welcome to the QMP low-level shell! Connected (QEMU) guest-get-vcpus {"return": [ {"online": true, "can-offline": false, "logical-id": 0}, {"online": true, "can-offline": true, "logical-id": 1}]} After: ./qmp-shell -N /tmp/qmp-ga.sock Welcome to the QMP low-level shell! Connected (QEMU) guest-get-vcpus {"return": [ {"online": true, "can-offline": false, "logical-id": 0}, {"online": true, "can-offline": true, "logical-id": 1}, {"online": true, "can-offline": true, "logical-id": 3}]} Signed-off-by: Lin Ma <lma@suse.com> Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com> *fix build breakage by using PRId64 for sscanf Signed-off-by: Michael Roth <michael.roth@amd.com>
2021-03-16Merge remote-tracking branch 'remotes/rth-gitlab/tags/pull-misc-20210315' ↵Peter Maydell
into staging Fix qemu_strtosz testsuite failures for i686. # gpg: Signature made Mon 15 Mar 2021 18:49:12 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-gitlab/tags/pull-misc-20210315: utils: Use fixed-point arithmetic in qemu_strtosz Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2021-03-16mac_via: remove VIA1 timer optimisationsMark Cave-Ayland
The original implementation of the Macintosh VIA devices in commit 6dca62a000 "hw/m68k: add VIA support" used timer optimisations to reduce high CPU usage on the host when booting Linux. These optimisations worked by waiting until VIA1 port B was accessed before re-arming the timers. The MacOS toolbox ROM constantly writes to VIA1 port B which calls via1_one_second_update() and via1_sixty_hz_update() to calculate the new expiry time, causing the timers to constantly reset and never fire. The effect of this is that the Ticks (0x16a) global variable holding the number of 60Hz timer ticks since reset is never incremented by the interrupt causing time to stand still. Whilst the code was introduced as a performance optimisation, it is likely that the high CPU usage was actually caused by the incorrect 60Hz timer interval fixed in the previous patch. Remove the optimisation to keep everything simple and enable the MacOS toolbox ROM to start keeping time. Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk> Reviewed-by: Laurent Vivier <laurent@vivier.eu> Message-Id: <20210311100505.22596-8-mark.cave-ayland@ilande.co.uk> Signed-off-by: Laurent Vivier <laurent@vivier.eu>
2021-03-16mac_via: fix 60Hz VIA1 timer intervalMark Cave-Ayland
The 60Hz timer is initialised using timer_new_ns() meaning that the timer interval should be measured in ns, and therefore its period is a thousand times too short. Use a define for the 60Hz timer period taking the more precise value as documented in the Guide To The Macintosh Family Hardware. Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk> Reviewed-by: Laurent Vivier <laurent@vivier.eu> Reviewed-by: BALATON Zoltan <balaton@eik.bme.hu> Message-Id: <20210311100505.22596-7-mark.cave-ayland@ilande.co.uk> Signed-off-by: Laurent Vivier <laurent@vivier.eu>
2021-03-16mac_via: rename VBL timer to 60Hz timerMark Cave-Ayland
According to the "Guide To The Macintosh Family Hardware", the 60Hz VIA1 timer on newer Macs such as the Quadra only exists for compatibility with old software and is no longer synced to the VBL interval. Rename the VBL timer to 60Hz timer to emphasise this and to prevent confusion when the real VBL interrupt (now handled as a NuBus slot interrupt) is added in future. Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk> Reviewed-by: Laurent Vivier <laurent@vivier.eu> Reviewed-by: BALATON Zoltan <balaton@eik.bme.hu> Message-Id: <20210311100505.22596-6-mark.cave-ayland@ilande.co.uk> Signed-off-by: Laurent Vivier <laurent@vivier.eu>
2021-03-16mac_via: don't re-inject ADB response when switching to IDLE stateMark Cave-Ayland
The current workaround for the Linux ADB state machine in kernels < 5.6 switching the VIA back to IDLE state between send and receive modes is to re-inject the first byte of the response in the IDLE state, and then force the state machine into generating an autopoll reply. In fact what is happening is much simpler: analysis of traces from a real Quadra suggest that the existing data is returned as the first autopoll response rather than generating an immediate response starting whilst still in IDLE state. Update the ADB receive code to work in the same way, which allows the re-injection code to be completely removed from adb_via_receive() and for adb_via_poll() to be simplified accordingly. Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk> Message-Id: <20210311100505.22596-5-mark.cave-ayland@ilande.co.uk> Signed-off-by: Laurent Vivier <laurent@vivier.eu>
2021-03-16mac_via: allow long accesses to VIA registersMark Cave-Ayland
The MacOS SCSI driver uses a long access to read the VIA registers rather than just a single byte during the message out phase. Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk> Reviewed-by: Laurent Vivier <laurent@vivier.eu> Message-Id: <20210311100505.22596-4-mark.cave-ayland@ilande.co.uk> Signed-off-by: Laurent Vivier <laurent@vivier.eu>
2021-03-16mac_via: fix up adb_via_receive() trace eventsMark Cave-Ayland
The use of the post-increment operator on adb_data_in_index meant that the trace-event was accidentally displaying the next byte in the incoming ADB data buffer rather than the current byte. Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk> Reviewed-by: Laurent Vivier <laurent@vivier.eu> Message-Id: <20210311100505.22596-3-mark.cave-ayland@ilande.co.uk> Signed-off-by: Laurent Vivier <laurent@vivier.eu>
2021-03-16mac_via: switch rtc pram trace-events to use hex rather than decimal for ↵Mark Cave-Ayland
addresses Since all the documentation uses the hex offsets, this makes it much easier to see what is going on. Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk> Reviewed-by: Laurent Vivier <laurent@vivier.eu> Message-Id: <20210311100505.22596-2-mark.cave-ayland@ilande.co.uk> Signed-off-by: Laurent Vivier <laurent@vivier.eu>
2021-03-16Update OpenBIOS images to 4a004110 built from submodule.Mark Cave-Ayland
Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
2021-03-16qemu-timer: allow freeing a NULL timerPaolo Bonzini
Since 5f8e93c3e2 ("util/qemu-timer: Make timer_free() imply timer_del()", 2021-01-08) it is not possible anymore to pass a NULL pointer to timer_free(). Previously it would do nothing as it would simply pass NULL down to g_free(). Rectify this, which also fixes "-chardev braille" when there is no device. Reported-by: Markus Armbruster <armbru@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2021-03-16hw/i8254: fix vmstate loadPavel Dovgalyuk
QEMU timer of channel 0 in i8254 is used to raise irq at the specified moment of time. This irq can be disabled with irq_disabled flag. But when vmstate of the pit is loaded, timer may be rearmed despite the disabled interrupts. This patch adds irq_disabled flag check to fix that. Signed-off-by: Pavel Dovgalyuk <Pavel.Dovgalyuk@ispras.ru> Message-Id: <161537170060.6654.9430112746749476215.stgit@pasha-ThinkPad-X280> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2021-03-16scsi: fix sense code for EREMOTEIOPaolo Bonzini
SENSE_CODE(LUN_COMM_FAILURE) has an ABORTED COMMAND sense key, so it results in a retry in Linux. To ensure that EREMOTEIO is forwarded to the guest, use a HARDWARE ERROR sense key instead. Note that the code before commit d7a84021d was incorrect because it used HARDWARE_ERROR as a SCSI status, not as a sense key. Reported-by: Marc-André Lureau <marcandre.lureau@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2021-03-16Revert "accel: kvm: Add aligment assert for kvm_log_clear_one_slot"Paolo Bonzini
This reverts commit 3920552846e881bafa9f9aad0bb1a6eef874d7fb. Thomas Huth reported a failure with CentOS 6 guests: ../../devel/qemu/accel/kvm/kvm-all.c:690: kvm_log_clear_one_slot: Assertion `QEMU_IS_ALIGNED(start | size, psize)' failed. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2021-03-16configure: add option to explicitly enable/disable libgioDenis Plotnikov
Now, compilation of util/dbus is implicit and depends on libgio presence on the building host. The patch adds options to manage libgio dependencies explicitly. Signed-off-by: Denis Plotnikov <den-plotnikov@yandex-team.ru> Message-Id: <20210312151440.405776-1-den-plotnikov@yandex-team.ru> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2021-03-16fuzz: move some DMA hooksAlexander Bulekov
For the sparse-mem device, we want the fuzzer to populate entire DMA reads from sparse-mem, rather than hooking into the individual MMIO memory_region_dispatch_read operations. Otherwise, the fuzzer will treat each sequential read separately (and populate it with a separate pattern). Work around this by rearranging some DMA hooks. Since the fuzzer has it's own logic to skip accidentally writing to MMIO regions, we can call the DMA cb, outside the flatview_translate loop. Signed-off-by: Alexander Bulekov <alxndr@bu.edu> Reviewed-by: Darren Kenny <darren.kenny@oracle.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2021-03-16fuzz: configure a sparse-mem device, by defaultAlexander Bulekov
The generic-fuzzer often provides randomized DMA addresses to virtual-devices. For a 64-bit address-space, the chance of these randomized addresses coinciding with RAM regions, is fairly small. Even though the fuzzer's instrumentation eventually finds valid addresses, this can take some-time, and slows-down fuzzing progress (especially, when multiple DMA buffers are involved). To work around this, create "fake" sparse-memory that spans all of the 64-bit address-space. Adjust the DMA call-back to populate this sparse memory, correspondingly Signed-off-by: Alexander Bulekov <alxndr@bu.edu> Reviewed-by: Darren Kenny <darren.kenny@oracle.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2021-03-16memory: add a sparse memory device for fuzzingAlexander Bulekov
For testing, it can be useful to simulate an enormous amount of memory (e.g. 2^64 RAM). This adds an MMIO device that acts as sparse memory. When something writes a nonzero value to a sparse-mem address, we allocate a block of memory. For now, since the only user of this device is the fuzzer, we do not track and free zeroed blocks. The device has a very low priority (so it can be mapped beneath actual RAM, and virtual device MMIO regions). Signed-off-by: Alexander Bulekov <alxndr@bu.edu> Reviewed-by: Darren Kenny <darren.kenny@oracle.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2021-03-16fuzz: add a am53c974 generic-fuzzer configAlexander Bulekov
Signed-off-by: Alexander Bulekov <alxndr@bu.edu> Reviewed-by: Darren Kenny <darren.kenny@oracle.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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