David Woodhouse [Thu, 19 Dec 2024 16:10:30 +0000 (16:10 +0000)]
hw/i386/pc: Fix level interrupt sharing for Xen event channel GSI
The system GSIs are not designed for sharing. One device might assert a
shared interrupt with qemu_set_irq() and another might deassert it, and
the level from the first device is lost.
This could be solved by using a multiplexer which functions as an OR
gate, much like the PCI code already implements for pci_set_irq() for
muxing the INTx lines.
Alternatively, it could be solved by having a 'resample' callback which
is invoked when the interrupt is acked at the interrupt controller, and
causes the devices to re-trigger the interrupt if it should still be
pending. This is the model that VFIO in Linux uses, with a 'resampler'
eventfd that actually unmasks the interrupt on the hardware device and
thus triggers a new interrupt from it if needed. QEMU currently doesn't
use that VFIO interface correctly, and just bashes on the resampler for
every MMIO access to the device "just in case".
This does neither of those. The Xen event channel GSI support *already*
has hooks into the PC gsi_handler() code, for routing GSIs to PIRQs. So
we can implement the logical OR of the external input (from PCI INTx,
serial etc.) with the Xen event channel GSI by allowing that existing
hook to modify the 'level' being asserted.
Closes: https://gitlab.com/qemu-project/qemu/-/issues/2731 Reported-by: Thomas Huth <thuth@redhat.com> Signed-off-by: David Woodhouse <dwmw@amazon.co.uk> Acked-by: Michael S. Tsirkin <mst@redhat.com>
David Woodhouse [Sat, 15 Jun 2024 08:26:38 +0000 (09:26 +0100)]
hw/acpi: Add vmclock device
The vmclock device addresses the problem of live migration with
precision clocks. The tolerances of a hardware counter (e.g. TSC) are
typically around ±50PPM. A guest will use NTP/PTP/PPS to discipline that
counter against an external source of 'real' time, and track the precise
frequency of the counter as it changes with environmental conditions.
When a guest is live migrated, anything it knows about the frequency of
the underlying counter becomes invalid. It may move from a host where
the counter running at -50PPM of its nominal frequency, to a host where
it runs at +50PPM. There will also be a step change in the value of the
counter, as the correctness of its absolute value at migration is
limited by the accuracy of the source and destination host's time
synchronization.
The device exposes a shared memory region to guests, which can be mapped
all the way to userspace. In the first phase, this merely advertises a
'disruption_marker', which indicates that the guest should throw away any
NTP synchronization it thinks it has, and start again.
Because the region can be exposed all the way to userspace, applications
can still use time from a fast vDSO 'system call', and check the
disruption marker to be sure that their timestamp is indeed truthful.
The structure also allows for the precise time, as known by the host, to
be exposed directly to guests so that they don't have to wait for NTP to
resync from scratch.
The values and fields are based on the nascent virtio-rtc specification,
and the intent is that a version (hopefully precisely this version) of
this structure will be included as an optional part of that spec. In the
meantime, a simple ACPI device along the lines of VMGENID is perfectly
sufficient and is compatible with what's being shipped in certain
commercial hypervisors.
Linux guest support was merged into the 6.13-rc1 kernel:
https://git.kernel.org/torvalds/c/205032724226
Signed-off-by: David Woodhouse <dwmw@amazon.co.uk> Reviewed-by: Paul Durrant <paul@xen.org>
Stefan Hajnoczi [Mon, 6 Jan 2025 14:39:02 +0000 (09:39 -0500)]
Merge tag 'qga-pull-2025-01-06' of https://github.com/kostyanf14/qemu into staging
qga-pull-2025-01-06
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# gpg: using RSA key C2C2C109EA43C63C1423EB84EF5D5E8161BA84E7
# gpg: Good signature from "Kostiantyn Kostiuk (Upstream PR sign) <kkostiuk@redhat.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.
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* tag 'qga-pull-2025-01-06' of https://github.com/kostyanf14/qemu:
qemu-ga: Optimize freeze-hook script logic of logging error
qga: implement a 'guest-get-load' command
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Dehan Meng [Wed, 25 Dec 2024 08:37:44 +0000 (16:37 +0800)]
qemu-ga: Optimize freeze-hook script logic of logging error
Make sure the error log of fsfreeze hooks
when freeze/thaw/snapshot could be logged
to system logs if the default logfile of
qga can't be written or other situations
Signed-off-by: Dehan Meng <demeng@redhat.com> Reviewed-by: Yan Vugenfirer <yvugenfi@redhat.com> Reviewed-by: Konstantin Kostiuk <kkostiuk@redhat.com>
Message-ID: <20241225083744.277374-1-demeng@redhat.com> Signed-off-by: Konstantin Kostiuk <kkostiuk@redhat.com>
Windows has no native equivalent API, but it would be possible to
simulate it as illustrated here (BSD-3-Clause):
https://github.com/giampaolo/psutil/pull/1485
This is left as an exercise for future contributors.
Signed-off-by: Daniel P. Berrangé <berrange@redhat.com> Reviewed-by: Konstantin Kostiuk <kkostiuk@redhat.com>
Message-ID: <20241202121927.864335-1-berrange@redhat.com> Signed-off-by: Konstantin Kostiuk <kkostiuk@redhat.com>
Stefan Hajnoczi [Fri, 3 Jan 2025 14:14:11 +0000 (09:14 -0500)]
Merge tag 'qtest-20250102-pull-request' of https://gitlab.com/farosas/qemu into staging
Qtest pull request
- migration-test: fix UADK build, reinstate postcopy tests and other cleanups
- a couple of memory leak fixes for bios-tables-test and virtio-iommu-test
- drop dead code from fw_cfg-test
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# gpg: Signature made Thu 02 Jan 2025 17:03:15 EST
# gpg: using RSA key AA1B48B0A22326A5A4C364CFC798DC741BEC319D
# gpg: issuer "farosas@suse.de"
# gpg: Good signature from "Fabiano Rosas <farosas@suse.de>" [unknown]
# gpg: aka "Fabiano Almeida Rosas <fabiano.rosas@suse.com>" [unknown]
# gpg: WARNING: The key's User ID is not certified with a trusted signature!
# gpg: There is no indication that the signature belongs to the owner.
# Primary key fingerprint: AA1B 48B0 A223 26A5 A4C3 64CF C798 DC74 1BEC 319D
* tag 'qtest-20250102-pull-request' of https://gitlab.com/farosas/qemu:
qtest/fw-cfg: remove compiled out code
tests/qtest/migration: Re-enable postcopy tests
tests/migration: Drop arch_[source|target]
tests/qtest/virtio-iommu-test: Don't pass uninitialized data into qtest_memwrite
tests/qtest/bios-tables-test: Free tables at dump_aml_files
tests/qtest/migration: Initialize buffer in probe_o_direct_support
tests/qtest/migration: Do proper cleanup in the dirty_limit test
tests/qtest/migration: Fix compile errors when CONFIG_UADK is set
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Fabiano Rosas [Wed, 18 Dec 2024 19:22:22 +0000 (16:22 -0300)]
tests/qtest/migration: Re-enable postcopy tests
Postcopy tests have been inadvertently disabled since commit 124a3c58b8 ("tests/qtest/migration: Move ufd_version_check to
utils"). That commit moved the ufd_version_check() function to another
file but failed to make sense of the ifdefs and includes:
The <sys/syscall> include was incorrectly dropped. It is needed to
pull in <asm/unistd.h> for __NR_userfaultfd.
The <sys/ioctl.h> was moved under the wrong ifdef.
Fixes: 124a3c58b8 ("tests/qtest/migration: Move ufd_version_check to utils") Reviewed-by: Peter Xu <peterx@redhat.com> Signed-off-by: Fabiano Rosas <farosas@suse.de>
Message-Id: <20241218192223.10551-2-farosas@suse.de>
Peter Xu [Mon, 16 Dec 2024 16:14:13 +0000 (11:14 -0500)]
tests/migration: Drop arch_[source|target]
Coverity complained about them. These two variables are never used now
after commit 832c732c5d ("migration-test: Create arch_opts"), and/or commit 34cc54fb35 ("tests/qtest/migration-test: Use custom asm bios for ppc64").
Fabiano Rosas [Mon, 9 Dec 2024 20:44:25 +0000 (17:44 -0300)]
tests/qtest/virtio-iommu-test: Don't pass uninitialized data into qtest_memwrite
Valgrind complains about:
Use of uninitialised value of size 8
&
Conditional jump or move depends on uninitialised value(s)
both at:
at 0x5265931: _itoa_word (_itoa.c:180)
by 0x527EEC7: __vfprintf_internal (vfprintf-internal.c:1687)
by 0x528C8B0: __vsprintf_internal (iovsprintf.c:96)
by 0x526B920: sprintf (sprintf.c:30)
by 0x1296C7: qtest_memwrite (libqtest.c:1273)
by 0x193C04: send_map (virtio-iommu-test.c:125)
by 0x194392: test_attach_detach (virtio-iommu-test.c:214)
by 0x17BDE7: run_one_test (qos-test.c:181)
by 0x4B0699D: test_case_run (gtestutils.c:2900)
by 0x4B0699D: g_test_run_suite_internal (gtestutils.c:2988)
by 0x4B068B2: g_test_run_suite_internal (gtestutils.c:3005)
by 0x4B068B2: g_test_run_suite_internal (gtestutils.c:3005)
by 0x4B068B2: g_test_run_suite_internal (gtestutils.c:3005)
Uninitialised value was created by a stack allocation
at 0x193AFD: send_map (virtio-iommu-test.c:103)
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-Id: <20241209204427.17763-5-farosas@suse.de> Signed-off-by: Fabiano Rosas <farosas@suse.de>
Fabiano Rosas [Mon, 9 Dec 2024 20:44:23 +0000 (17:44 -0300)]
tests/qtest/migration: Initialize buffer in probe_o_direct_support
Valgrind complains about the probe_o_direct_support() function reading
from an uninitialized buffer. For probing O_DIRECT support we don't
actually need to write to the file, just make sure the pwrite call
doesn't reject the write. Still, write zeroes to the buffer to
suppress the warning.
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org> Reviewed-by: Peter Xu <peterx@redhat.com>
Message-Id: <20241209204427.17763-3-farosas@suse.de> Signed-off-by: Fabiano Rosas <farosas@suse.de>
Stefan Hajnoczi [Thu, 2 Jan 2025 14:35:06 +0000 (09:35 -0500)]
Merge tag 'pull-request-2025-01-02' of https://gitlab.com/thuth/qemu into staging
* Update year in copyright statements
* Convert the VNC test to the functional framework
* Improve and update the ppc64_hv functional test
* Fix broken rx_gdbsim and arm_quanta_gsj functional tests
* tag 'pull-request-2025-01-02' of https://gitlab.com/thuth/qemu:
tests/functional/test_arm_quanta_gsj: Fix broken test
tests/functional/test_rx_gdbsim: Use stable URL for test_linux_sash
tests/functional/test_ppc64_hv: Update to Alpine 3.21.0
tests/functional/test_ppc64_hv: Update repo management
tests/functional/test_ppc64_hv: Simplify console handling
tests/functional: Extract the find_free_ports() function into a helper file
tests/functional/test_vnc: Remove the test_no_vnc test
tests/functional/test_vnc: Do not use a hard-coded VNC port
tests/functional: Convert the vnc test
docs: update copyright date to the year 2025
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Thomas Huth [Thu, 2 Jan 2025 07:30:35 +0000 (08:30 +0100)]
tests/functional/test_arm_quanta_gsj: Fix broken test
ASSET_IMAGE needs to be prefixed with "self." ... this bug
apparently went in unnoticed because the test is not run by
default.
Message-ID: <20250102073403.36328-1-thuth@redhat.com> Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org> Signed-off-by: Thomas Huth <thuth@redhat.com>
Philippe Mathieu-Daudé [Sun, 29 Dec 2024 08:34:19 +0000 (09:34 +0100)]
tests/functional/test_rx_gdbsim: Use stable URL for test_linux_sash
Yoshinori said [*] URL references on OSDN were stable, but they
appear not to be. Mirror the artifacts on GitHub to avoid failures
while testing on CI.
Cc: Yoshinori Sato <ysato@users.sourceforge.jp> Reported-by: Alex Bennée <alex.bennee@linaro.org> Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-ID: <20200630202631.7345-1-f4bug@amsat.org>
[huth: Adapt the patch to the new version in the functional framework]
Message-ID: <20241229083419.180423-1-huth@tuxfamily.org> Signed-off-by: Thomas Huth <thuth@redhat.com>
Nicholas Piggin [Fri, 20 Dec 2024 02:46:17 +0000 (12:46 +1000)]
tests/functional/test_ppc64_hv: Update to Alpine 3.21.0
Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
Message-ID: <20241220024617.1968556-5-npiggin@gmail.com> Signed-off-by: Thomas Huth <thuth@redhat.com>
`setup-apkrepos` can be used to set repos rather than open-coding URLs.
Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
Message-ID: <20241220024617.1968556-4-npiggin@gmail.com> Signed-off-by: Thomas Huth <thuth@redhat.com>
Since functional tests have character-based console output parsing,
there is no need for strange hacks to work around old line-based.
Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
Message-ID: <20241220024617.1968556-3-npiggin@gmail.com> Reviewed-by: Thomas Huth <thuth@redhat.com> Signed-off-by: Thomas Huth <thuth@redhat.com>
Thomas Huth [Wed, 18 Dec 2024 13:14:38 +0000 (14:14 +0100)]
tests/functional: Extract the find_free_ports() function into a helper file
We'll need this functionality in other functional tests, too, so
let's extract it into the qemu_test module.
Also add an __enter__ and __exit__ function that can be used for
using this functionality in a locked context, so that tests that
are running in parallel don't try to compete for the same ports
later.
Also make sure to only use ports in the "Dynamic Ports" range
(see https://www.rfc-editor.org/rfc/rfc6335) and "randomize" the
start of the probed range with the PID of the test process to
further avoid possible clashes with other competing processes.
Message-ID: <20241218131439.255841-5-thuth@redhat.com> Signed-off-by: Thomas Huth <thuth@redhat.com>
Thomas Huth [Wed, 18 Dec 2024 13:14:36 +0000 (14:14 +0100)]
tests/functional/test_vnc: Remove the test_no_vnc test
This test matches exactly the first three lines of the following
test_no_vnc_change_password test, so there is exactly zero additional
test coverage in here.
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Message-ID: <20241218131439.255841-3-thuth@redhat.com> Signed-off-by: Thomas Huth <thuth@redhat.com>
Thomas Huth [Wed, 18 Dec 2024 13:14:37 +0000 (14:14 +0100)]
tests/functional/test_vnc: Do not use a hard-coded VNC port
Two tests here are using the hard-coded VNC port :0 ... if there
is already a QEMU or other program running that is using this
port, the tests will be failing. Fortunately, QEMU can also
auto-detect a free port with the "to=..." parameter, so let's
use that for the tests to avoid the problem.
Message-ID: <20241218131439.255841-4-thuth@redhat.com> Signed-off-by: Thomas Huth <thuth@redhat.com>
Thomas Huth [Wed, 18 Dec 2024 13:14:35 +0000 (14:14 +0100)]
tests/functional: Convert the vnc test
Nothing thrilling in here, it's just a straight forward conversion.
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org> Tested-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-ID: <20241218131439.255841-2-thuth@redhat.com> Signed-off-by: Thomas Huth <thuth@redhat.com>
Stefan Hajnoczi [Wed, 1 Jan 2025 20:17:07 +0000 (15:17 -0500)]
Merge tag 'hw-misc-20241231' of https://github.com/philmd/qemu into staging
Misc HW patches queue
- Allow more than 4 legacy IRQs on Generic PCI Express Bridge (Alexander)
- Add MMIO-based Inter-VM shared memory device 'ivshmem-flat' (Gustavo)
- Use UHCI register definitions (Guenter)
- Propagate CPU endianness to microblaze_load_kernel (Philippe)
- Mark x86/TriCore devices as little-endian, OpenRISC/SPARC as big (Philippe)
- Don't set callback_opaque NULL in fw_cfg_modify_bytes_read (Shameer)
- Simplify non-KVM checks on AMD IOMMU XTSup feature (Philippe)
- Trivial cleanups on xilinx_ethlite, vmcoreinfo, qxl (Philippe, Hyman)
- Move USB-HCD-XHCI msi/msix properties from NEC to superclass (Phil)
- Redesign of main thread event handling due to macOS Cocoa (Phil)
- Introduce ParavirtualizedGraphics.Framework support 'apple-gfx' (Phil)
- Pad short Ethernet frames on macOS vmnet (William)
* tag 'hw-misc-20241231' of https://github.com/philmd/qemu: (29 commits)
hw/display/qxl: Do not use C99 // comments
net/vmnet: Pad short Ethernet frames
MAINTAINERS: Add myself as maintainer for apple-gfx, reviewer for HVF
hw/display/apple-gfx: Adds configurable mode list
hw/display/apple-gfx: Adds PCI implementation
hw/display/apple-gfx: Introduce ParavirtualizedGraphics.Framework support
ui & main loop: Redesign of system-specific main thread event handling
hw/usb/hcd-xhci: Unimplemented/guest error logging for port MMIO
hw/usb/hcd-xhci-pci: Move msi/msix properties from NEC to superclass
hw/block/virtio-blk: Replaces request free function with g_free
hw/i386/amd_iommu: Simplify non-KVM checks on XTSup feature
hw/misc/vmcoreinfo: Rename opaque pointer as 'opaque'
hw/misc/vmcoreinfo: Declare QOM type using DEFINE_TYPES macro
fw_cfg: Don't set callback_opaque NULL in fw_cfg_modify_bytes_read()
hw/net/xilinx_ethlite: Rename rxbuf -> port_index
hw/net/xilinx_ethlite: Correct maximum RX buffer size
hw/net/xilinx_ethlite: Update QOM style
hw/net/xilinx_ethlite: Remove unuseful debug logs
hw/net/xilinx_ethlite: Convert some debug logs to trace events
hw/sparc: Mark devices as big-endian
...
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
William Hooper [Sat, 6 Jan 2024 22:35:46 +0000 (14:35 -0800)]
net/vmnet: Pad short Ethernet frames
At least on macOS 12.7.2, vmnet doesn't pad Ethernet frames, such as the
host's ARP replies, to the minimum size (60 bytes before the frame check
sequence) defined in IEEE Std 802.3-2022, so guests' Ethernet device
drivers may drop them with "frame too short" errors.
This patch calls eth_pad_short_frame() to add padding, as in net/tap.c
and net/slirp.c. Thanks to Bin Meng, Philippe Mathieu-Daudé, and Phil
Dennis-Jordan for reviewing earlier versions.
Signed-off-by: William Hooper <wsh@wshooper.org>
Resolves: https://gitlab.com/qemu-project/qemu/-/issues/2058 Reviewed-by: Phil Dennis-Jordan <phil@philjordan.eu>
Message-ID: <20241102205653.30476-1-wsh@wshooper.org> Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Phil Dennis-Jordan [Mon, 15 Jul 2024 21:07:04 +0000 (23:07 +0200)]
MAINTAINERS: Add myself as maintainer for apple-gfx, reviewer for HVF
I'm happy to take responsibility for the macOS PV graphics code. As
HVF patches don't seem to get much attention at the moment, I'm also
adding myself as designated reviewer for HVF and x86 HVF to try and
improve that.
Signed-off-by: Phil Dennis-Jordan <phil@philjordan.eu> Reviewed-by: Roman Bolshakov <rbolshakov@ddn.com> Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-ID: <20241223221645.29911-6-phil@philjordan.eu> Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Phil Dennis-Jordan [Mon, 15 Jul 2024 21:07:03 +0000 (23:07 +0200)]
hw/display/apple-gfx: Adds configurable mode list
This change adds a property 'display_modes' on the graphics device
which permits specifying a list of display modes. (screen resolution
and refresh rate)
The property is an array of a custom type to make the syntax slightly
less awkward to use, for example:
Phil Dennis-Jordan [Mon, 15 Jul 2024 21:06:57 +0000 (23:06 +0200)]
hw/display/apple-gfx: Adds PCI implementation
This change wires up the PCI variant of the paravirtualised
graphics device, mainly useful for x86-64 macOS guests, implemented
by macOS's ParavirtualizedGraphics.framework. It builds on code
shared with the vmapple/mmio variant of the PVG device.
Signed-off-by: Phil Dennis-Jordan <phil@philjordan.eu> Reviewed-by: Akihiko Odaki <akihiko.odaki@daynix.com>
Message-ID: <20241223221645.29911-4-phil@philjordan.eu> Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Phil Dennis-Jordan [Wed, 14 Jun 2023 22:57:33 +0000 (22:57 +0000)]
hw/display/apple-gfx: Introduce ParavirtualizedGraphics.Framework support
MacOS provides a framework (library) that allows any vmm to implement a
paravirtualized 3d graphics passthrough to the host metal stack called
ParavirtualizedGraphics.Framework (PVG). The library abstracts away
almost every aspect of the paravirtualized device model and only provides
and receives callbacks on MMIO access as well as to share memory address
space between the VM and PVG.
This patch implements a QEMU device that drives PVG for the VMApple
variant of it.
Signed-off-by: Alexander Graf <graf@amazon.com> Co-authored-by: Alexander Graf <graf@amazon.com>
Subsequent changes:
* Cherry-pick/rebase conflict fixes, API use updates.
* Moved from hw/vmapple/ (useful outside that machine type)
* Overhaul of threading model, many thread safety improvements.
* Asynchronous rendering.
* Memory and object lifetime fixes.
* Refactoring to split generic and (vmapple) MMIO variant specific
code.
Implementation wise, most of the complexity lies in the differing threading
models of ParavirtualizedGraphics.framework, which uses libdispatch and
internal locks, versus QEMU, which heavily uses the BQL, especially during
memory-mapped device I/O. Great care has therefore been taken to prevent
deadlocks by never calling into PVG methods while holding the BQL, and
similarly never acquiring the BQL in a callback from PVG. Different strategies
have been used (libdispatch, blocking and non-blocking BHs, RCU, etc.)
depending on the specific requirements at each framework entry and exit point.
Phil Dennis-Jordan [Thu, 24 Oct 2024 10:27:59 +0000 (12:27 +0200)]
ui & main loop: Redesign of system-specific main thread event handling
macOS's Cocoa event handling must be done on the initial (main) thread
of the process. Furthermore, if library or application code uses
libdispatch, the main dispatch queue must be handling events on the main
thread as well.
So far, this has affected Qemu in both the Cocoa and SDL UIs, although
in different ways: the Cocoa UI replaces the default qemu_main function
with one that spins Qemu's internal main event loop off onto a
background thread. SDL (which uses Cocoa internally) on the other hand
uses a polling approach within Qemu's main event loop. Events are
polled during the SDL UI's dpy_refresh callback, which happens to run
on the main thread by default.
As UIs are mutually exclusive, this works OK as long as nothing else
needs platform-native event handling. In the next patch, a new device is
introduced based on the ParavirtualizedGraphics.framework in macOS.
This uses libdispatch internally, and only works when events are being
handled on the main runloop. With the current system, it works when
using either the Cocoa or the SDL UI. However, it does not when running
headless. Moreover, any attempt to install a similar scheme to the
Cocoa UI's main thread replacement fails when combined with the SDL
UI.
This change tidies up main thread management to be more flexible.
* The qemu_main global function pointer is a custom function for the
main thread, and it may now be NULL. When it is, the main thread
runs the main Qemu loop. This represents the traditional setup.
* When non-null, spawning the main Qemu event loop on a separate
thread is now done centrally rather than inside the Cocoa UI code.
* For most platforms, qemu_main is indeed NULL by default, but on
Darwin, it defaults to a function that runs the CFRunLoop.
* The Cocoa UI sets qemu_main to a function which runs the
NSApplication event handling runloop, as is usual for a Cocoa app.
* The SDL UI overrides the qemu_main function to NULL, thus
specifying that Qemu's main loop must run on the main
thread.
* The GTK UI also overrides the qemu_main function to NULL.
* For other UIs, or in the absence of UIs, the platform's default
behaviour is followed.
This means that on macOS, the platform's runloop events are always
handled, regardless of chosen UI. The new PV graphics device will
thus work in all configurations. There is no functional change on other
operating systems.
Implementing this via a global function pointer variable is a bit
ugly, but it's probably worth investigating the existing UI thread rule
violations in the SDL (e.g. #2537) and GTK+ back-ends. Fixing those
issues might precipitate requirements similar but not identical to those
of the Cocoa UI; hopefully we'll see some kind of pattern emerge, which
can then be used as a basis for an overhaul. (In fact, it may turn
out to be simplest to split the UI/native platform event thread from the
QEMU main event loop on all platforms, with any UI or even none at all.)
Signed-off-by: Phil Dennis-Jordan <phil@philjordan.eu> Reviewed-by: Akihiko Odaki <akihiko.odaki@daynix.com> Tested-by: Akihiko Odaki <akihiko.odaki@daynix.com>
Message-ID: <20241223221645.29911-2-phil@philjordan.eu>
[PMD: Declare 'qemu_main' symbol in tests/qtest/fuzz/fuzz.c,
add missing g_assert_not_reached() call in main()] Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Phil Dennis-Jordan [Fri, 27 Dec 2024 12:13:34 +0000 (13:13 +0100)]
hw/usb/hcd-xhci: Unimplemented/guest error logging for port MMIO
The XHCI device code uses tracing rather than logging on various code
paths that are so far unimplemented. In some cases, these code paths
actually indicate faulty guest software. This patch switches instances
in the read and write handlers for the port MMIO region to use
qemu_log_mask() with LOG_UNIMP or LOG_GUEST_ERROR, as appropriate in
each case.
Signed-off-by: Phil Dennis-Jordan <phil@philjordan.eu> Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-ID: <20241227121336.25838-5-phil@philjordan.eu> Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Phil Dennis-Jordan [Sun, 8 Dec 2024 19:16:42 +0000 (20:16 +0100)]
hw/usb/hcd-xhci-pci: Move msi/msix properties from NEC to superclass
The NEC XHCI controller exposes the underlying PCI device's msi and
msix properties, but the superclass and thus the qemu-xhci device do
not. There does not seem to be any obvious reason for this limitation.
This change moves these properties to the superclass so they are
exposed by both PCI XHCI device variants.
Signed-off-by: Phil Dennis-Jordan <phil@philjordan.eu> Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-ID: <20241227121336.25838-3-phil@philjordan.eu> Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Phil Dennis-Jordan [Thu, 24 Oct 2024 10:28:12 +0000 (12:28 +0200)]
hw/block/virtio-blk: Replaces request free function with g_free
The virtio_blk_free_request() function has been a 1-liner forwarding
to g_free() for a while now. We may as well call g_free on the request
pointer directly.
Signed-off-by: Phil Dennis-Jordan <phil@philjordan.eu> Reviewed-by: Akihiko Odaki <akihiko.odaki@daynix.com> Tested-by: Akihiko Odaki <akihiko.odaki@daynix.com>
Message-ID: <20241223221645.29911-14-phil@philjordan.eu> Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Philippe Mathieu-Daudé [Fri, 29 Nov 2024 11:15:40 +0000 (12:15 +0100)]
hw/i386/amd_iommu: Simplify non-KVM checks on XTSup feature
Generic code wanting to access KVM specific methods should
do so being protected by the 'kvm_enabled()' helper.
Doing so avoid link failures when optimization is disabled
(using --enable-debug), see for example commits c04cfb4596a
("hw/i386: fix short-circuit logic with non-optimizing builds")
and 0266aef8cd6 ("amd_iommu: Fix kvm_enable_x2apic link error
with clang in non-KVM builds").
XTSup feature depends on KVM, so protect the whole block
checking the XTSup feature with a check on whether KVM is
enabled.
Since x86_cpus_init() already checks APIC ID > 255 imply
kernel support for irqchip and X2APIC, remove the confuse
and unlikely reachable "AMD IOMMU xtsup=on requires support
on the KVM side" message.
Fix a type in "configuration" in error message.
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org> Reviewed-by: Vasant Hegde <vasant.hegde@amd.com>
Message-Id: <20241129155802.35534-1-philmd@linaro.org>
Philippe Mathieu-Daudé [Thu, 19 Dec 2024 13:46:11 +0000 (14:46 +0100)]
hw/misc/vmcoreinfo: Rename opaque pointer as 'opaque'
Both QEMUResetHandler and FWCfgWriteCallback take an opaque
pointer argument, no need to cast.
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org> Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Message-Id: <20241219153857.57450-3-philmd@linaro.org>
Philippe Mathieu-Daudé [Thu, 19 Dec 2024 13:30:35 +0000 (14:30 +0100)]
hw/misc/vmcoreinfo: Declare QOM type using DEFINE_TYPES macro
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org> Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Message-Id: <20241219153857.57450-2-philmd@linaro.org>
Shameer Kolothum [Tue, 3 Dec 2024 13:18:06 +0000 (13:18 +0000)]
fw_cfg: Don't set callback_opaque NULL in fw_cfg_modify_bytes_read()
On arm/virt platform, Chen Xiang reported a Guest crash while
attempting the below steps,
1. Launch the Guest with nvdimm=on
2. Hot-add a NVDIMM dev
3. Reboot
4. Guest boots fine.
5. Reboot again.
6. Guest boot fails.
QEMU_EFI reports the below error:
ProcessCmdAddPointer: invalid pointer value in "etc/acpi/tables"
OnRootBridgesConnected: InstallAcpiTables: Protocol Error
Debugging shows that on first reboot(after hot adding NVDIMM),
Qemu updates the etc/table-loader len,
And in fw_cfg_modify_bytes_read() we set the "callback_opaque" for
the key entry to NULL. Because of this, on the second reboot,
virt_acpi_build_update() is called with a NULL "build_state" and
returns without updating the ACPI tables. This seems to be
upsetting the firmware.
To fix this, don't change the callback_opaque in fw_cfg_modify_bytes_read().
Philippe Mathieu-Daudé [Sat, 9 Nov 2024 18:29:55 +0000 (19:29 +0100)]
hw/net/xilinx_ethlite: Rename rxbuf -> port_index
'rxbuf' is the index of the dual port RAM used.
Rename it as 'port_index'.
Reviewed-by: Edgar E. Iglesias <edgar.iglesias@amd.com> Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-Id: <20241112181044.92193-8-philmd@linaro.org>
Philippe Mathieu-Daudé [Sat, 9 Nov 2024 18:32:56 +0000 (19:32 +0100)]
hw/net/xilinx_ethlite: Correct maximum RX buffer size
The current max RX bufsize is set to 0x800. This is
invalid, since it contains the MMIO registers region.
Add the correct definition (valid for both TX & RX,
see datasheet p. 20, Table 11 "XPS Ethernet Lite MAC
Memory Map") and use it.
Reviewed-by: Edgar E. Iglesias <edgar.iglesias@amd.com> Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-Id: <20241112181044.92193-6-philmd@linaro.org>
Philippe Mathieu-Daudé [Sat, 9 Nov 2024 18:28:39 +0000 (19:28 +0100)]
hw/net/xilinx_ethlite: Update QOM style
Use XlnxXpsEthLite typedef, OBJECT_DECLARE_SIMPLE_TYPE macro;
convert type_init() to DEFINE_TYPES().
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org> Reviewed-by: Edgar E. Iglesias <edgar.iglesias@amd.com>
Message-Id: <20241112181044.92193-5-philmd@linaro.org>
Philippe Mathieu-Daudé [Sat, 9 Nov 2024 18:26:49 +0000 (19:26 +0100)]
hw/net/xilinx_ethlite: Remove unuseful debug logs
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org> Reviewed-by: Edgar E. Iglesias <edgar.iglesias@amd.com>
Message-Id: <20241112181044.92193-4-philmd@linaro.org>
Philippe Mathieu-Daudé [Sat, 9 Nov 2024 18:25:28 +0000 (19:25 +0100)]
hw/net/xilinx_ethlite: Convert some debug logs to trace events
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org> Reviewed-by: Edgar E. Iglesias <edgar.iglesias@amd.com>
Message-Id: <20241112181044.92193-3-philmd@linaro.org>
Philippe Mathieu-Daudé [Wed, 6 Nov 2024 17:43:47 +0000 (17:43 +0000)]
hw/sparc: Mark devices as big-endian
These devices are only used by the SPARC targets, which are
only built as big-endian. Therefore the DEVICE_NATIVE_ENDIAN
definition expand to DEVICE_BIG_ENDIAN (besides, the
DEVICE_LITTLE_ENDIAN case isn't tested). Simplify directly
using DEVICE_BIG_ENDIAN.
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org> Reviewed-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk> Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20241106184612.71897-6-philmd@linaro.org>
Philippe Mathieu-Daudé [Wed, 6 Nov 2024 17:42:06 +0000 (17:42 +0000)]
hw/openrisc: Mark devices as big-endian
The openrisc little-endian control is in a control register:
SR[LEE] (which we do not implement at present).
These devices are only used by the OpenRISC target, which is
only built as big-endian. Therefore the DEVICE_NATIVE_ENDIAN
definition expand to DEVICE_BIG_ENDIAN (besides, the
DEVICE_LITTLE_ENDIAN case isn't tested). Simplify directly
using DEVICE_BIG_ENDIAN.
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Reviewed-by: Thomas Huth <huth@tuxfamily.org>
Message-Id: <20241106184612.71897-5-philmd@linaro.org>
Philippe Mathieu-Daudé [Wed, 6 Nov 2024 17:44:01 +0000 (17:44 +0000)]
hw/tricore: Mark devices as little-endian
These devices are only used by the TriCore target, which is
only built as little-endian. Therefore the DEVICE_NATIVE_ENDIAN
definition expand to DEVICE_LITTLE_ENDIAN (besides, the
DEVICE_BIG_ENDIAN case isn't tested). Simplify directly using
DEVICE_LITTLE_ENDIAN.
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Reviewed-by: Thomas Huth <huth@tuxfamily.org>
Message-Id: <20241106184612.71897-3-philmd@linaro.org>
Philippe Mathieu-Daudé [Wed, 6 Nov 2024 17:45:11 +0000 (17:45 +0000)]
hw/i386: Mark devices as little-endian
These devices are only used by the X86 targets, which are only
built as little-endian. Therefore the DEVICE_NATIVE_ENDIAN
definition expand to DEVICE_LITTLE_ENDIAN (besides, the
DEVICE_BIG_ENDIAN case isn't tested). Simplify directly using
DEVICE_LITTLE_ENDIAN.
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Reviewed-by: Thomas Huth <huth@tuxfamily.org>
Message-Id: <20241106184612.71897-2-philmd@linaro.org>
Philippe Mathieu-Daudé [Mon, 4 Nov 2024 15:36:49 +0000 (16:36 +0100)]
hw/microblaze: Propagate CPU endianness to microblaze_load_kernel()
Pass vCPU endianness as argument so we can load kernels
with different endianness (different from the qemu-system-binary
builtin one).
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org> Reviewed-by: Anton Johansson <anjo@rev.ng> Reviewed-by: Alistair Francis <alistair.francis@wdc.com> Reviewed-by: Edgar E. Iglesias <edgar.iglesias@amd.com> Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20241107012223.94337-3-philmd@linaro.org>
Gustavo Romero [Mon, 27 Nov 2023 05:20:20 +0000 (05:20 +0000)]
hw/misc/ivshmem-flat: Add ivshmem-flat device
Add a new device, ivshmem-flat, which is similar to the ivshmem PCI but
does not require a PCI bus. It's meant to be used on machines like those
with Cortex-M MCUs, which usually lack a PCI/PCIe bus, e.g. lm3s6965evb
and mps2-an385.
The device currently only supports the sysbus bus.
The new device, just like the ivshmem PCI device, supports both peer
notification via hardware interrupts and shared memory.
The device shared memory size can be set using the 'shmem-size' option
and it defaults to 4 MiB, which is the default size of shmem allocated
by the ivshmem server.
Resolves: https://gitlab.com/qemu-project/qemu/-/issues/1134 Signed-off-by: Gustavo Romero <gustavo.romero@linaro.org>
[PMD: Rebased updating Property and using DEFINE_TYPES macro] Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-ID: <20241216141818.111255-2-gustavo.romero@linaro.org>
The original code was right in that long name in LFN directory
entry uses other parts of the entry for the name too, not just
the original "name" field. So it is wrong to limit the offset
to be within the name field. Some other mechanism is needed
to fix the ubsan report and whole messy usage of bytes past the
given field.
Reported-by: Volker Rümelin <vr_qemu@t-online.de> Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
Alexander Graf [Wed, 14 Jun 2023 22:56:24 +0000 (22:56 +0000)]
hw/pci-host/gpex: Allow more than 4 legacy IRQs
Some boards such as vmapple don't do real legacy PCI IRQ swizzling.
Instead, they just keep allocating more board IRQ lines for each new
legacy IRQ. Let's support that mode by giving instantiators a new
"nr_irqs" property they can use to support more than 4 legacy IRQ lines.
In this mode, GPEX will export more IRQ lines, one for each device.
Signed-off-by: Alexander Graf <graf@amazon.com> Signed-off-by: Phil Dennis-Jordan <phil@philjordan.eu> Reviewed-by: Akihiko Odaki <akihiko.odaki@daynix.com> Tested-by: Akihiko Odaki <akihiko.odaki@daynix.com> Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-ID: <20241223221645.29911-9-phil@philjordan.eu> Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Stefan Hajnoczi [Sun, 29 Dec 2024 08:25:40 +0000 (03:25 -0500)]
Merge tag 'pull-request-2024-12-29' of https://gitlab.com/huth/qemu into staging
* Rework "next-cube" to bring it up-to-date with current coding standards/APIs
* Remove overlapping memory regions of the "next-cube" machine
* Encapsulate the next-cube SCSI related code into a separate device
* QOM-ify the next-rtc device
* Declare m68k devices as big endian instead of native endian
* Disable the CD-ROM drive for the next-cube machine
* tag 'pull-request-2024-12-29' of https://gitlab.com/huth/qemu: (35 commits)
next-cube: add my copyright to the top of the file
next-cube: rename old_scr2 and scr2_2 in next_scr2_rtc_update()
next-cube: move next_rtc_cmd_is_write() and next_rtc_data_in_irq() functions
next-cube: add rtc-power-out named gpio to trigger the NEXT_PWR_I interrupt
next-cube: add rtc-cmd-reset named gpio to reset the rtc state machine
next-cube: use named gpio output for next-rtc data
next-cube: move rtc-data-in gpio from next-pc to next-rtc device
next-cube: move reset of next-rtc fields from next-pc to next-rtc
next-cube: QOMify NeXTRTC
next-cube: don't use rtc phase value of -1
next-cube: use named gpio to read RTC data bit in scr2
next-cube: use named gpio to set RTC data bit in scr2
next-cube: always use retval to return rtc read values
next-cube: separate rtc read and write shift logic
next-cube: use qemu_irq to drive int_status in next_scr2_rtc_update()
next-cube: rename typedef struct NextRtc to NeXTRTC
next-cube: convert next-pc device to use Resettable interface
next-cube: rearrange NeXTState declarations to improve readability
next-cube: remove unused next.scr memory region
next-cube: add empty slots for unknown accesses to next.scr memory region
...
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Mark Cave-Ayland [Sun, 22 Dec 2024 13:00:12 +0000 (13:00 +0000)]
next-cube: add my copyright to the top of the file
This series has involved rewriting and/or updating a considerable part of the
next-cube emulation so update the copyright in next-cube.c to reflect this.
Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk> Reviewed-by: Thomas Huth <huth@tuxfamily.org> Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-ID: <20241222130012.1013374-34-mark.cave-ayland@ilande.co.uk> Signed-off-by: Thomas Huth <huth@tuxfamily.org>
Mark Cave-Ayland [Sun, 22 Dec 2024 13:00:11 +0000 (13:00 +0000)]
next-cube: rename old_scr2 and scr2_2 in next_scr2_rtc_update()
Rename them to old_scr2_rtc and scr2_rtc to reflect that they contain the previous
and current values of the SCR2 RTC bits.
Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk> Reviewed-by: Thomas Huth <huth@tuxfamily.org>
Message-ID: <20241222130012.1013374-33-mark.cave-ayland@ilande.co.uk> Signed-off-by: Thomas Huth <huth@tuxfamily.org>
Mark Cave-Ayland [Sun, 22 Dec 2024 13:00:10 +0000 (13:00 +0000)]
next-cube: move next_rtc_cmd_is_write() and next_rtc_data_in_irq() functions
Move these functions in next-cube.c so that they are with the rest of the
next-rtc functions.
Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk> Reviewed-by: Thomas Huth <huth@tuxfamily.org>
Message-ID: <20241222130012.1013374-32-mark.cave-ayland@ilande.co.uk> Signed-off-by: Thomas Huth <huth@tuxfamily.org>
Mark Cave-Ayland [Sun, 22 Dec 2024 13:00:09 +0000 (13:00 +0000)]
next-cube: add rtc-power-out named gpio to trigger the NEXT_PWR_I interrupt
This allows us to decouple the next-pc and next-rtc devices from each
other in next_rtc_data_in_irq().
Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Message-ID: <20241222130012.1013374-31-mark.cave-ayland@ilande.co.uk> Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org> Signed-off-by: Thomas Huth <huth@tuxfamily.org>
Mark Cave-Ayland [Sun, 22 Dec 2024 13:00:08 +0000 (13:00 +0000)]
next-cube: add rtc-cmd-reset named gpio to reset the rtc state machine
This allows us to decouple the next-pc and next-rtc devices from each
other in next_scr2_rtc_update().
Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Message-ID: <20241222130012.1013374-30-mark.cave-ayland@ilande.co.uk> Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org> Signed-off-by: Thomas Huth <huth@tuxfamily.org>
Mark Cave-Ayland [Sun, 22 Dec 2024 13:00:07 +0000 (13:00 +0000)]
next-cube: use named gpio output for next-rtc data
Add a named gpio output for the next-rtc data and then update
next_rtc_data_in_irq() to drive the IRQ directly. This enables the next-rtc to
next-pc data to be wired up using the standard qdev gpio APIs.
At the same time rename the pc-rtc-data-in gpio to rtc-data-in which is possible
now that the previous rtc-data-in gpio has been moved to the next-rtc device.
Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Message-ID: <20241222130012.1013374-29-mark.cave-ayland@ilande.co.uk> Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org> Signed-off-by: Thomas Huth <huth@tuxfamily.org>
Mark Cave-Ayland [Sun, 22 Dec 2024 13:00:06 +0000 (13:00 +0000)]
next-cube: move rtc-data-in gpio from next-pc to next-rtc device
Add a new rtc-data-out gpio to the next-pc device and wire it up to the next-rtc
rtc-data-in gpio using the standard qdev gpio APIs.
Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk> Reviewed-by: Thomas Huth <huth@tuxfamily.org>
Message-ID: <20241222130012.1013374-28-mark.cave-ayland@ilande.co.uk> Signed-off-by: Thomas Huth <huth@tuxfamily.org>
Mark Cave-Ayland [Sun, 22 Dec 2024 13:00:05 +0000 (13:00 +0000)]
next-cube: move reset of next-rtc fields from next-pc to next-rtc
Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk> Reviewed-by: Thomas Huth <huth@tuxfamily.org>
Message-ID: <20241222130012.1013374-27-mark.cave-ayland@ilande.co.uk> Signed-off-by: Thomas Huth <huth@tuxfamily.org>
Mark Cave-Ayland [Sun, 22 Dec 2024 13:00:04 +0000 (13:00 +0000)]
next-cube: QOMify NeXTRTC
This is to allow the RTC functionality to be maintained within its own separate
device rather than as part of the next-pc device.
Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Message-ID: <20241222130012.1013374-26-mark.cave-ayland@ilande.co.uk> Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org> Signed-off-by: Thomas Huth <huth@tuxfamily.org>
Mark Cave-Ayland [Sun, 22 Dec 2024 13:00:03 +0000 (13:00 +0000)]
next-cube: don't use rtc phase value of -1
The rtc phase value of -1 is directly equivalent to using a phase value of 0 so
simplify the logic to use an initial rtc phase of 0.
Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk> Reviewed-by: Thomas Huth <huth@tuxfamily.org>
Message-ID: <20241222130012.1013374-25-mark.cave-ayland@ilande.co.uk> Signed-off-by: Thomas Huth <huth@tuxfamily.org>
Mark Cave-Ayland [Sun, 22 Dec 2024 13:00:02 +0000 (13:00 +0000)]
next-cube: use named gpio to read RTC data bit in scr2
This is in preparation for moving NeXTRTC to its own separate device.
Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk> Reviewed-by: Thomas Huth <huth@tuxfamily.org>
Message-ID: <20241222130012.1013374-24-mark.cave-ayland@ilande.co.uk> Signed-off-by: Thomas Huth <huth@tuxfamily.org>
Mark Cave-Ayland [Sun, 22 Dec 2024 13:00:01 +0000 (13:00 +0000)]
next-cube: use named gpio to set RTC data bit in scr2
This is in preparation for moving NeXTRTC to its own separate device.
Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk> Reviewed-by: Thomas Huth <huth@tuxfamily.org>
Message-ID: <20241222130012.1013374-23-mark.cave-ayland@ilande.co.uk> Signed-off-by: Thomas Huth <huth@tuxfamily.org>
Mark Cave-Ayland [Sun, 22 Dec 2024 13:00:00 +0000 (13:00 +0000)]
next-cube: always use retval to return rtc read values
Instead of shifting out rtc read values from individual rtc registers, change
the logic so that rtc read commands are executed when the last bit of the rtc
command is received and the result stored in retval. This simplifies the rtc
read logic such that the shift out logic can be consolidated for rtc phases
between 8 and 16.
Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Message-ID: <20241222130012.1013374-22-mark.cave-ayland@ilande.co.uk> Signed-off-by: Thomas Huth <huth@tuxfamily.org>
Mark Cave-Ayland [Sun, 22 Dec 2024 12:59:59 +0000 (12:59 +0000)]
next-cube: separate rtc read and write shift logic
Introduce a new next_rtc_cmd_is_write() function to determine if an rtc command
is a read or write, and start by using it to avoid shifting the rtc input value
if a rtc read command is executed.
Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk> Reviewed-by: Thomas Huth <huth@tuxfamily.org>
Message-ID: <20241222130012.1013374-21-mark.cave-ayland@ilande.co.uk> Signed-off-by: Thomas Huth <huth@tuxfamily.org>
Mark Cave-Ayland [Sun, 22 Dec 2024 12:59:58 +0000 (12:59 +0000)]
next-cube: use qemu_irq to drive int_status in next_scr2_rtc_update()
Rather than directly clear bit 3 in int_status in next_scr2_rtc_update(), use
a qemu_irq to drive the equivalent NEXT_PWR_I signal.
Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk> Reviewed-by: Thomas Huth <huth@tuxfamily.org>
Message-ID: <20241222130012.1013374-20-mark.cave-ayland@ilande.co.uk> Signed-off-by: Thomas Huth <huth@tuxfamily.org>
Mark Cave-Ayland [Sun, 22 Dec 2024 12:59:57 +0000 (12:59 +0000)]
next-cube: rename typedef struct NextRtc to NeXTRTC
This brings the capitalisation in line with the other NeXTCube definitions.
Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk> Reviewed-by: Thomas Huth <huth@tuxfamily.org>
Message-ID: <20241222130012.1013374-19-mark.cave-ayland@ilande.co.uk> Signed-off-by: Thomas Huth <huth@tuxfamily.org>
Mark Cave-Ayland [Sun, 22 Dec 2024 12:59:56 +0000 (12:59 +0000)]
next-cube: convert next-pc device to use Resettable interface
Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk> Acked-by: Thomas Huth <huth@tuxfamily.org> Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-ID: <20241222130012.1013374-18-mark.cave-ayland@ilande.co.uk> Signed-off-by: Thomas Huth <huth@tuxfamily.org>
Mark Cave-Ayland [Sun, 22 Dec 2024 12:59:55 +0000 (12:59 +0000)]
next-cube: rearrange NeXTState declarations to improve readability
Move the NeXTState, next_dma and TYPE_NEXT_MACHINE definition to the same area
at the top of next-cube.c.
Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk> Reviewed-by: Thomas Huth <huth@tuxfamily.org> Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-ID: <20241222130012.1013374-17-mark.cave-ayland@ilande.co.uk> Signed-off-by: Thomas Huth <huth@tuxfamily.org>
Mark Cave-Ayland [Sun, 22 Dec 2024 12:59:54 +0000 (12:59 +0000)]
next-cube: remove unused next.scr memory region
Now that the next.scr memory region is unused it can be removed and the next-pc
devices mapped directly within the machine init function. This is the last
remaining overlapping memory region within the NeXTCube machine.
Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk> Reviewed-by: Thomas Huth <huth@tuxfamily.org>
Message-ID: <20241222130012.1013374-16-mark.cave-ayland@ilande.co.uk> Signed-off-by: Thomas Huth <huth@tuxfamily.org>
Mark Cave-Ayland [Sun, 22 Dec 2024 12:59:53 +0000 (12:59 +0000)]
next-cube: add empty slots for unknown accesses to next.scr memory region
The next.scr memory is now effectively unused, however there are 3 separate region
accesses still logged that occur when booting a NeXTStep disk image. Use the
empty_slot device to capture and ignore memory accesses to these 3 memory regions.
Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk> Reviewed-by: Thomas Huth <huth@tuxfamily.org>
Message-ID: <20241222130012.1013374-15-mark.cave-ayland@ilande.co.uk> Signed-off-by: Thomas Huth <huth@tuxfamily.org>
Mark Cave-Ayland [Sun, 22 Dec 2024 12:59:52 +0000 (12:59 +0000)]
next-cube: move en ethernet MMIO to separate memory region on next-pc device
Move the en ethernet MMIO accesses to a separate memory region on the next-pc
device instead of being part of the next.scr MMIO memory region.
Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk> Reviewed-by: Thomas Huth <huth@tuxfamily.org>
Message-ID: <20241222130012.1013374-14-mark.cave-ayland@ilande.co.uk> Signed-off-by: Thomas Huth <huth@tuxfamily.org>
Mark Cave-Ayland [Sun, 22 Dec 2024 12:59:51 +0000 (12:59 +0000)]
next-cube: move timer MMIO to separate memory region on next-pc device
Move the timer MMIO accesses to a separate memory region on the next-pc device
instead of being part of the next.scr MMIO memory region.
Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk> Reviewed-by: Thomas Huth <huth@tuxfamily.org> Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-ID: <20241222130012.1013374-13-mark.cave-ayland@ilande.co.uk> Signed-off-by: Thomas Huth <huth@tuxfamily.org>
Mark Cave-Ayland [Sun, 22 Dec 2024 12:59:50 +0000 (12:59 +0000)]
next-cube: move ESCC to be QOM child of next-pc device
Since the ESCC is part of the next-pc device, move the ESCC to be a QOM child
of the next-pc device.
Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk> Reviewed-by: Thomas Huth <huth@tuxfamily.org> Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-ID: <20241222130012.1013374-12-mark.cave-ayland@ilande.co.uk> Signed-off-by: Thomas Huth <huth@tuxfamily.org>
Mark Cave-Ayland [Sun, 22 Dec 2024 12:59:49 +0000 (12:59 +0000)]
next-cube: map ESCC registers as a subregion of the next.scr memory region
Since the ESCC device exists within the memory range of the next.scr memory region, map
the ESCC device registers as a subregion of the next.scr memory region instead of
directly to the system address space.
Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk> Reviewed-by: Thomas Huth <huth@tuxfamily.org> Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-ID: <20241222130012.1013374-11-mark.cave-ayland@ilande.co.uk> Signed-off-by: Thomas Huth <huth@tuxfamily.org>
Mark Cave-Ayland [Sun, 22 Dec 2024 12:59:48 +0000 (12:59 +0000)]
next-cube: move floppy disk MMIO to separate memory region in next-pc
The dummy floppy disk device is part of the next-pc device, and not related to
the NeXTCube SCRs.
Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk> Reviewed-by: Thomas Huth <huth@tuxfamily.org>
Message-ID: <20241222130012.1013374-10-mark.cave-ayland@ilande.co.uk> Signed-off-by: Thomas Huth <huth@tuxfamily.org>
Mark Cave-Ayland [Sun, 22 Dec 2024 12:59:47 +0000 (12:59 +0000)]
next-cube: move SCSI 4020/4021 logic from next-pc device to next-scsi device
The SCSI 4020/4021 logic refers to the offset of the SCSI CSRs within the NeXTCube
address space. Due to the previously overlapping memory regions, there were
duplicate MMIO accessors in the next.scr memory region for these registers but
this has now been resolved.
Move the remaining SCSI 4020/4021 logic from the next-pc device to the next-scsi
device, with the exception that the SCSI 4021 register now returns its previous
value like a normal register instead of a hardcoded 0x40 value. This also matches
how the registers are implemented in the Previous emulator.
Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk> Reviewed-by: Thomas Huth <huth@tuxfamily.org>
Message-ID: <20241222130012.1013374-9-mark.cave-ayland@ilande.co.uk> Signed-off-by: Thomas Huth <huth@tuxfamily.org>
Mark Cave-Ayland [Sun, 22 Dec 2024 12:59:46 +0000 (12:59 +0000)]
next-cube: move SCSI CSRs from next-pc to the next-scsi device
The SCSI CSRs are located within the SCSI subsystem of the NeXT PC (Peripheral
Contoller) which is now modelled as a separate QEMU device. Add a new memory
region subregion to contain the SCSI CSRs that simply store and retrieve the
register values.
Add a new VMStateDescription for the next-scsi device to enable the SCSI CSRs
to be migrated.
Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk> Reviewed-by: Thomas Huth <huth@tuxfamily.org>
Message-ID: <20241222130012.1013374-8-mark.cave-ayland@ilande.co.uk> Signed-off-by: Thomas Huth <huth@tuxfamily.org>
Mark Cave-Ayland [Sun, 22 Dec 2024 12:59:45 +0000 (12:59 +0000)]
next-cube: introduce next-scsi device
This device is intended to hold the ESP SCSI controller and the NeXT SCSI CSRs.
Start by creating the device and moving the ESP SCSI controller to be an
embedded child device.
Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk> Reviewed-by: Thomas Huth <huth@tuxfamily.org>
Message-ID: <20241222130012.1013374-7-mark.cave-ayland@ilande.co.uk> Signed-off-by: Thomas Huth <huth@tuxfamily.org>
Mark Cave-Ayland [Sun, 22 Dec 2024 12:59:44 +0000 (12:59 +0000)]
next-cube: introduce next_pc_init() object init function
Move initialisation of the memory regions and GPIOs from next_pc_realize() to
the new next_pc_init() function.
Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk> Reviewed-by: Thomas Huth <huth@tuxfamily.org>
Message-ID: <20241222130012.1013374-6-mark.cave-ayland@ilande.co.uk> Signed-off-by: Thomas Huth <huth@tuxfamily.org>
Mark Cave-Ayland [Sun, 22 Dec 2024 12:59:43 +0000 (12:59 +0000)]
next-cube: move next_scsi_init() to next_pc_realize()
This reflects that the SCSI interface exists within the NeXT Peripheral
Controller (PC).
Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk> Reviewed-by: Thomas Huth <huth@tuxfamily.org>
Message-ID: <20241222130012.1013374-5-mark.cave-ayland@ilande.co.uk> Signed-off-by: Thomas Huth <huth@tuxfamily.org>
Mark Cave-Ayland [Sun, 22 Dec 2024 12:59:42 +0000 (12:59 +0000)]
next-cube: create new next.scsi container memory region
Move the ESP SCSI and SCSI CSR registers to the new next.scsi container memory
region.
Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk> Reviewed-by: Thomas Huth <huth@tuxfamily.org> Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-ID: <20241222130012.1013374-4-mark.cave-ayland@ilande.co.uk> Signed-off-by: Thomas Huth <huth@tuxfamily.org>
Mark Cave-Ayland [Sun, 22 Dec 2024 12:59:41 +0000 (12:59 +0000)]
next-cube: remove overlap between next.dma and next.mmio memory regions
Change the start of the next.mmio memory region so that it follows on directly
after the next.dma memory region. Increase the address offsets in
next_mmio_read() and next_mmio_write(), and reduce the size of the next.mmio
memory region accordingly.
Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk> Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org> Reviewed-by: Thomas Huth <huth@tuxfamily.org>
Message-ID: <20241222130012.1013374-3-mark.cave-ayland@ilande.co.uk> Signed-off-by: Thomas Huth <huth@tuxfamily.org>
Mark Cave-Ayland [Sun, 22 Dec 2024 12:59:40 +0000 (12:59 +0000)]
next-cube: remove 0x14020 dummy value from next_mmio_read()
This is a dummy value for the SCSI CSR which appears to have no effect when
removed. Eventually the reads/writes to this register will be directed
towards the WIP implementations in next_scr_readfn() and next_scr_writefn().
Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk> Reviewed-by: Thomas Huth <huth@tuxfamily.org>
Message-ID: <20241222130012.1013374-2-mark.cave-ayland@ilande.co.uk> Signed-off-by: Thomas Huth <huth@tuxfamily.org>
Thomas Huth [Sat, 14 Dec 2024 09:17:20 +0000 (10:17 +0100)]
hw/m68k/next-cube: Disable the default CD-ROM drive
The NeXT-Cube does not have a CD-ROM drive by default, and the
kernel does not seem to deal with the empty drive very well, so
let's disable the CD-ROM drive for this machine.
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org> Reviewed-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Message-ID: <20241214091720.49779-1-huth@tuxfamily.org> Signed-off-by: Thomas Huth <huth@tuxfamily.org>
Philippe Mathieu-Daudé [Wed, 6 Nov 2024 18:46:10 +0000 (18:46 +0000)]
hw/m68k: Mark devices as big-endian
These devices are only used by the M68K target, which is only
built as big-endian. Therefore the DEVICE_NATIVE_ENDIAN
definition expand to DEVICE_BIG_ENDIAN (besides, the
DEVICE_LITTLE_ENDIAN case isn't tested). Simplify directly
using DEVICE_BIG_ENDIAN.
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-ID: <20241106184612.71897-4-philmd@linaro.org> Signed-off-by: Thomas Huth <huth@tuxfamily.org>
Stefan Hajnoczi [Sat, 28 Dec 2024 15:16:34 +0000 (10:16 -0500)]
Merge tag 'pull-trivial-patches' of https://gitlab.com/mjt0k/qemu into staging
trivial patches for 2024-12-28
# -----BEGIN PGP SIGNATURE-----
#
# iQIzBAABCgAdFiEEZKoqtTHVaQM2a/75gqpKJDselHgFAmdv5ucACgkQgqpKJDse
# lHhneA//UIqio45IfMUFwlug8b4Cf/PRYU5+lgKh0SUOn4qpWS7IgF+zXWfk9/IF
# Qg9NH1TVTbEzAyHBhpSUUHPpxfPctcoDGCFVU6dYbgBmGjvQa/ov9Hl7B3Q28i6+
# 9K2bRWCDLm05RXHIW2BeBSIXjla9AnE+THQa3dTmrKN4s3WP3+dx96k8sLt0DQQB
# 5tT0ilnl3kW4Zhc/4NvDZoxam6Uo8U5EC5xwvXqgfZGRKNwhaAHJVRctDIXiD55c
# 2kyZBlV5XdIxLsMHRkzu+ArrS5VTslelDsK7spCOJmLdJ56ylXE2sI82PWwh2/Hg
# GjQkpqKib4WWmlVmWL7TYupsoHodXSjYGzbv6rz7jk8xWc1tJ5iRmLdK03BWv4KN
# G1PkOwiKmZrZtbdY5vz74OhKcqKlijewQJLsUvm7spmr4MqrMn/yEyuAKwyKG3/E
# 9KweB5q5KsO0KybCJ4ScMAUCIe5cc7AqSOk3XOKFu+gToccBUG8480UjFldM2Btm
# t8O+dvGJC0OyzlHDUEL4JfT155Kk81/zuKuqCi8dPNVy7juSRm8qNFDD+/GRmrXD
# RfcXRCY7HKHMHYLHltPxhKQ011NASgxpb8VPi8rD64rR4dZIUWiHibkp+BmzsK8M
# 9qvUi+a0qNhUlkLL9cFqUgVl8kUOlNFperBsmdi/qncGNiBwK0U=
# =sH6V
# -----END PGP SIGNATURE-----
# gpg: Signature made Sat 28 Dec 2024 06:54:15 EST
# gpg: using RSA key 64AA2AB531D56903366BFEF982AA4A243B1E9478
# gpg: Good signature from "Michael Tokarev <mjt@debian.org>" [unknown]
# gpg: aka "Michael Tokarev <mjt@corpit.ru>" [unknown]
# gpg: aka "Michael Tokarev <mjt@tls.msk.ru>" [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: 9D8B E14E 3F2A 9DD7 9199 28F1 61AD 3D98 ECDF 2C8E
# Subkey fingerprint: 64AA 2AB5 31D5 6903 366B FEF9 82AA 4A24 3B1E 9478
* tag 'pull-trivial-patches' of https://gitlab.com/mjt0k/qemu:
qmp: update vhost-user protocol feature maps
contrib/plugins/bbv.c: Start bb index from 1
hw/riscv/riscv-iommu-sys.c: fix duplicated 'table_size'
target/i386/cpu: Fix notes for CPU models
docs: Replace 'since' -> 'removed in' in removed-features.rst
docs: Correct release of TCG trace-events removal
docs: Correct '-runas' and '-fsdev/-virtfs proxy' indentation
vvfat: fix ubsan issue in create_long_filename
hw/timer/hpet: Drop the unused macro
hw/timer/hpet: Fix comment about capabilities register
docs/devel: remove dead video link for sourcehut submit process
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
CID 1568580: Incorrect expression (EVALUATION_ORDER)
In "table_size = table_size = n_vectors * 16U",
"table_size" is written twice with the same value.
Cc: qemu-trivial@nongnu.org Cc: Peter Maydell <peter.maydell@linaro.org>
Resolves: Coverity CID 1568580 Fixes: 01c1caa9d1 ("hw/riscv/virt.c, riscv-iommu-sys.c: add MSIx support") Signed-off-by: Daniel Henrique Barboza <dbarboza@ventanamicro.com> Reviewed-by: Michael Tokarev <mjt@tls.msk.ru> Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
Han Han [Thu, 19 Dec 2024 08:51:38 +0000 (16:51 +0800)]
target/i386/cpu: Fix notes for CPU models
Fixes: 644e3c5d812 ("missing vmx features for Skylake-Server and Cascadelake-Server") Signed-off-by: Han Han <hhan@redhat.com> Reviewed-by: Chenyi Qiang <chenyi.qiang@intel.com> Reviewed-by: Michael Tokarev <mjt@tls.msk.ru> Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
Philippe Mathieu-Daudé [Thu, 19 Dec 2024 15:02:03 +0000 (16:02 +0100)]
docs: Replace 'since' -> 'removed in' in removed-features.rst
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org> Reviewed-by: Alex Bennée <alex.bennee@linaro.org> Reviewed-by: Michael Tokarev <mjt@tls.msk.ru> Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
Philippe Mathieu-Daudé [Thu, 19 Dec 2024 15:02:02 +0000 (16:02 +0100)]
docs: Correct release of TCG trace-events removal
TCG trace-events were deprecated before the v6.2 release,
and removed for v7.0.
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org> Reviewed-by: Alex Bennée <alex.bennee@linaro.org> Reviewed-by: Michael Tokarev <mjt@tls.msk.ru> Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
projects / users / dwmw2 / qemu.git / log