Age | Commit message (Collapse) | Author |
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"hw/ide.h" is a mixed bag of lost IDE declarations.
Extract mmio_ide_init_drives() and the TYPE_MMIO_IDE QOM
declarations to a new "hw/ide/mmio.h" header.
Document the SysBus interface.
Message-Id: <20230215112712.23110-4-philmd@linaro.org>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
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rtc_get_memory() and rtc_set_memory() helpers only work with
TYPE_MC146818_RTC devices. 'memory' in their name refer to
the CMOS region. Rename them as mc146818rtc_get_cmos_data()
and mc146818rtc_set_cmos_data() to be explicit about what
they are doing.
Mechanical change doing:
$ sed -i -e 's/rtc_set_memory/mc146818rtc_set_cmos_data/g' \
$(git grep -wl rtc_set_memory)
$ sed -i -e 's/rtc_get_memory/mc146818rtc_get_cmos_data/g' \
$(git grep -wl rtc_get_memory)
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20230210233116.80311-4-philmd@linaro.org>
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rtc_get_memory() and rtc_set_memory() methods can not take any
TYPE_ISA_DEVICE object. They expect a TYPE_MC146818_RTC one.
Simplify the API by passing a MC146818RtcState.
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20230210233116.80311-3-philmd@linaro.org>
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RTCState only represents a Motorola MC146818 model,
not any RTC chipset. Rename the structure as MC146818RtcState
using:
$ sed -i -e s/RTCState/MC146818RtcState/g $(git grep -wl RTCState)
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20230210233116.80311-2-philmd@linaro.org>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
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Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Message-Id: <20230215161641.32663-4-philmd@linaro.org>
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isa_get_irq() was added in commit 3a38d437ca
("Add isa_reserve_irq()" Fri Aug 14 11:36:15 2009) as:
a temporary interface to be used to allocate ISA IRQs for
devices which have not yet been converted to qdev, and for
special cases which are not suited for qdev conversions,
such as the 'ferr'.
We still use it 14 years later, using the global 'isabus'
singleton. In order to get rid of such *temporary* interface,
extract isa_bus_get_irq() which can take any ISABus* object.
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Message-Id: <20230215161641.32663-3-philmd@linaro.org>
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isa_get_dma() returns a DMA channel handler from an ISABus.
To emphasize this, rename it as isa_bus_get_dma().
Mechanical change using:
$ sed -i -e 's/isa_get_dma/isa_bus_get_dma/g' \
$(git grep -l isa_get_dma)
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Message-Id: <20230215161641.32663-2-philmd@linaro.org>
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isa_bus_irqs() register an array of input IRQs on
the ISA bus. Rename it as isa_bus_register_input_irqs().
Mechanical change using:
$ sed -i -e 's/isa_bus_irqs/isa_bus_register_input_irqs/g' \
$(git grep -wl isa_bus_irqs)
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20230210163744.32182-10-philmd@linaro.org>
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No point in inlining isa_bus_from_device() which is only
used at device realization time.
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-Id: <20230210163744.32182-9-philmd@linaro.org>
Reviewed-by: Bernhard Beschow <shentey@gmail.com>
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Separate functions taking an ISABus* argument versus
functions taking a ISADevice* one.
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20230210163744.32182-8-philmd@linaro.org>
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ISADeviceClass is an empty class and just increase code
complexity. Remove it, directly embedding DeviceClass in
classes expanding TYPE_ISA_DEVICE.
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Bernhard Beschow <shentey@gmail.com>
Message-Id: <20230215161641.32663-19-philmd@linaro.org>
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i8259_init() helper creates a i8259 device on an ISA bus,
connects its IRQ output to the parent's input IRQ, and
returns an array of 16 ISA input IRQs.
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20230210163744.32182-2-philmd@linaro.org>
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ICH9 is a south bridge which doesn't necessarily depend on x86, so move
it into the southbridge folder, analoguous to PIIX.
Signed-off-by: Bernhard Beschow <shentey@gmail.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-Id: <20230213173033.98762-13-shentey@gmail.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
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Signed-off-by: Bernhard Beschow <shentey@gmail.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-Id: <20230213173033.98762-12-shentey@gmail.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
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The ioapic sources reside in hw/intc already. Move the headers there
as well.
Signed-off-by: Bernhard Beschow <shentey@gmail.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-Id: <20230213173033.98762-11-shentey@gmail.com>
[PMD: Keep ioapic_internal.h in hw/intc/, not under include/]
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
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Most code uses IOAPIC_NUM_PINS. The only place where GSI_NUM_PINS defines
the size of an array is ICH9LPCState::gsi which needs to match
IOAPIC_NUM_PINS. Remove GSI_NUM_PINS for consistency.
Signed-off-by: Bernhard Beschow <shentey@gmail.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-Id: <20230213173033.98762-10-shentey@gmail.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
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Make TYPE_ICH9_LPC_DEVICE more self-contained by moving the call to
ich9_lpc_pm_init() from board code to its realize function. In order
to propagate x86_machine_is_smm_enabled(), introduce an "smm-enabled"
property like we have in piix4.
Signed-off-by: Bernhard Beschow <shentey@gmail.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-Id: <20230213173033.98762-8-shentey@gmail.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
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ich9_smb_init() is a legacy init function, so modernize the code.
Note that the smb_io_base parameter was unused.
Signed-off-by: Bernhard Beschow <shentey@gmail.com>
Acked-by: Corey Minyard <cminyard@mvista.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-Id: <20230213173033.98762-6-shentey@gmail.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
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By using qdev_get_child_bus() we can eliminate ICH9LPCState::isa_bus and
spare the ich9_lpc variable in pc_q35, too.
Signed-off-by: Bernhard Beschow <shentey@gmail.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-Id: <20230213173033.98762-4-shentey@gmail.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
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No need to rely on the board to wire up the ICH9 PCI IRQs. All functions
access private state of the LPC device which suggests that it should
wire up the IRQs.
Signed-off-by: Bernhard Beschow <shentey@gmail.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-Id: <20230213173033.98762-3-shentey@gmail.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
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The Q35_MASK macro is already defined by TYPE_Q35_HOST_DEVICE, so let
TYPE_ICH9_LPC_DEVICE have its own one to prevent potential name clash.
Signed-off-by: Bernhard Beschow <shentey@gmail.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-Id: <20230213173033.98762-2-shentey@gmail.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
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This function is not used anywhere outside this file, so
we can delete the prototype from include/hw/i386/x86.h and
make the function "static void".
This fixes when building with -Wall and using Clang
("Apple clang version 14.0.0 (clang-1400.0.29.202)"):
../hw/i386/x86.c:70:24: error: static function 'MACHINE' is used in an inline function with external linkage [-Werror,-Wstatic-in-inline]
MachineState *ms = MACHINE(x86ms);
^
include/hw/i386/x86.h:101:1: note: use 'static' to give inline function 'init_topo_info' internal linkage
void init_topo_info(X86CPUTopoInfo *topo_info, const X86MachineState *x86ms);
^
static
include/hw/boards.h:24:49: note: 'MACHINE' declared here
OBJECT_DECLARE_TYPE(MachineState, MachineClass, MACHINE)
^
Reported-by: Stefan Weil <sw@weilnetz.de>
Suggested-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20221216220158.6317-6-philmd@linaro.org>
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Copy part of the description of commit f7b78602fd ("accel/tcg:
Add cluster number to TCG TB hash") in tcg_cpu_init_cflags(),
improving a bit CPUState::cluster_index documentation.
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Message-Id: <20230216142338.82982-2-philmd@linaro.org>
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The structure is accessed read-only by qdev_get_parent_bus().
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20230212224730.51438-2-philmd@linaro.org>
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The watchpoint API is specific to TCG system emulation.
Move it to a new compile unit. The inlined stubs are used
for user-mode and non-TCG accelerators.
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20221209141254.68662-1-philmd@linaro.org>
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https://git.linaro.org/people/pmaydell/qemu-arm into staging
target-arm queue:
* Various code cleanups
* More refactoring working towards allowing a build
without CONFIG_TCG
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# gpg: Signature made Mon 27 Feb 2023 13:59:09 GMT
# gpg: using RSA key E1A5C593CD419DE28E8315CF3C2525ED14360CDE
# gpg: issuer "peter.maydell@linaro.org"
# gpg: Good signature from "Peter Maydell <peter.maydell@linaro.org>" [ultimate]
# gpg: aka "Peter Maydell <pmaydell@gmail.com>" [ultimate]
# gpg: aka "Peter Maydell <pmaydell@chiark.greenend.org.uk>" [ultimate]
# gpg: aka "Peter Maydell <peter@archaic.org.uk>" [ultimate]
# Primary key fingerprint: E1A5 C593 CD41 9DE2 8E83 15CF 3C25 25ED 1436 0CDE
* tag 'pull-target-arm-20230227' of https://git.linaro.org/people/pmaydell/qemu-arm: (25 commits)
hw: Replace qemu_or_irq typedef by OrIRQState
hw/or-irq: Declare QOM macros using OBJECT_DECLARE_SIMPLE_TYPE()
hw/irq: Declare QOM macros using OBJECT_DECLARE_SIMPLE_TYPE()
iothread: Remove unused IOThreadClass / IOTHREAD_CLASS
hw/arm/musicpal: Remove unused dummy MemoryRegion
hw/intc/armv7m_nvic: Use QOM cast CPU() macro
hw/timer/cmsdk-apb-timer: Remove unused 'qdev-properties.h' header
hw/char/cmsdk-apb-uart: Open-code cmsdk_apb_uart_create()
hw/char/xilinx_uartlite: Open-code xilinx_uartlite_create()
hw/char/xilinx_uartlite: Expose XILINX_UARTLITE QOM type
hw/char/pl011: Open-code pl011_luminary_create()
hw/char/pl011: Un-inline pl011_create()
hw/gpio/max7310: Simplify max7310_realize()
tests/avocado: add machine:none tag to version.py
cpu-defs.h: Expose CPUTLBEntryFull to non-TCG code
target/arm: Don't access TCG code when debugging with KVM
target/arm: Move regime_using_lpae_format into internal.h
target/arm: Move hflags code into the tcg directory
target/arm: Wrap arm_rebuild_hflags calls with tcg_enabled
target/arm: Move psci.c into the tcg directory
...
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
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OBJECT_DECLARE_SIMPLE_TYPE() macro provides the OrIRQState
declaration for free. Besides, the QOM code style is to use
the structure name as typedef, and QEMU style is to use Camel
Case, so rename qemu_or_irq as OrIRQState.
Mechanical change using:
$ sed -i -e 's/qemu_or_irq/OrIRQState/g' $(git grep -l qemu_or_irq)
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Message-id: 20230113200138.52869-5-philmd@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
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Missed during automatic conversion from commit 8063396bf3
("Use OBJECT_DECLARE_SIMPLE_TYPE when possible").
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Message-id: 20230113200138.52869-4-philmd@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
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Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Message-id: 20230220115114.25237-8-philmd@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
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cmsdk_apb_uart_create() is only used twice in the same
file. Open-code it.
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Message-id: 20230220115114.25237-7-philmd@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
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Open-code the single use of xilinx_uartlite_create().
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20230220115114.25237-6-philmd@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
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Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20230220115114.25237-5-philmd@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
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pl011_luminary_create() is only used for the Stellaris board,
open-code it.
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20230220115114.25237-4-philmd@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
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pl011_create() is only used in DeviceRealize handlers,
not a hot-path. Inlining is not justified.
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20230220115114.25237-3-philmd@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
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pci_device.h is not needed at all in allwinner-a10.h, and serial.h
is only needed by the corresponding .c file.
Signed-off-by: Thomas Huth <thuth@redhat.com>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Message-id: 20230215152233.210024-1-thuth@redhat.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
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staging
* Simplify device casting in w/vfio/ccw.c
* Fix memory corruption in the s390x dump code
* Various s390x TCG clean-ups
* s390x PV support for asynchronous teardown for reboot
* qemu-keymap related fixes
* Improvements for the duration of the gitlab-CI
* Deprecate the "-no-acpi" command line switch
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# gpg: Signature made Mon 27 Feb 2023 11:34:45 GMT
# gpg: using RSA key 27B88847EEE0250118F3EAB92ED9D774FE702DB5
# gpg: issuer "thuth@redhat.com"
# gpg: Good signature from "Thomas Huth <th.huth@gmx.de>" [full]
# gpg: aka "Thomas Huth <thuth@redhat.com>" [full]
# gpg: aka "Thomas Huth <huth@tuxfamily.org>" [full]
# gpg: aka "Thomas Huth <th.huth@posteo.de>" [unknown]
# Primary key fingerprint: 27B8 8847 EEE0 2501 18F3 EAB9 2ED9 D774 FE70 2DB5
* tag 'pull-request-2023-02-27' of https://gitlab.com/thuth/qemu: (33 commits)
Deprecate the "-no-acpi" command line switch
gitlab-ci.d/base: Mark jobs as interruptible by default
gitlab-ci.d: Build with --enable-fdt=system by default
gitlab-ci.d/buildtest-template: Simplify the configure step
gitlab-ci.d/buildtest: Disintegrate the build-coroutine-sigaltstack job
gitlab-ci.d/buildtest: Remove aarch64-softmmu from the build-system-ubuntu job
Updated the FSF address to <https://www.gnu.org/licenses/>
meson: fix dependency on qemu-keymap
qemu-keymap: Silence memory leak warning from Clang's sanitizer
configure: Add 'mkdir build' check
tests/tcg/s390x: Add sam.S
tests/tcg/s390x: Add bal.S
target/s390x: Use tcg_constant_* in translate_vx.c.inc
target/s390x: Use tcg_constant_i32 for fpinst_extract_m34
target/s390x: Use tcg_constant_* for DisasCompare
target/s390x: Use tcg_constant_* in local contexts
s390x/pv: Add support for asynchronous teardown for reboot
target/s390x: Hoist some computation in access_memmove
target/s390x: Inline do_access_{get,set}_byte
target/s390x: Remove TLB_NOTDIRTY workarounds
...
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
|
|
The Free Software Foundation moved to a new address and some
sources in QEMU referred to their old location.
The address should be updated and replaced by a pointer to
<https://www.gnu.org/licenses/>
Resolves: https://gitlab.com/qemu-project/qemu/-/issues/379
Signed-off-by: Khadija Kamran <kkamran.bese16seecs@seecs.edu.pk>
Message-Id: <576ee9203fdac99d7251a98faa66b9ce1e7febc5.1675941486.git.kkamran.bese16seecs@seecs.edu.pk>
Reviewed-by: Stefan Weil <sw@weilnetz.de>
Signed-off-by: Thomas Huth <thuth@redhat.com>
|
|
This patch adds support for the asynchronous teardown for reboot for
protected VMs.
When attempting to tear down a protected VM, try to use the new
asynchronous interface first. If that fails, fall back to the classic
synchronous one.
The asynchronous interface involves invoking the new
KVM_PV_ASYNC_DISABLE_PREPARE command for the KVM_S390_PV_COMMAND ioctl.
This will prepare the current protected VM for asynchronous teardown.
Once the protected VM is prepared for teardown, execution can continue
immediately.
Once the protected VM has been prepared, a new thread is started to
actually perform the teardown. The new thread uses the new
KVM_PV_ASYNC_DISABLE command for the KVM_S390_PV_COMMAND ioctl. The
previously prepared protected VM is torn down in the new thread.
Once KVM_PV_ASYNC_DISABLE is invoked, it is possible to use
KVM_PV_ASYNC_DISABLE_PREPARE again. If a protected VM has already been
prepared and its cleanup has not started, it will not be possible to
prepare a new VM. In that case the classic synchronous teardown has to
be performed.
The synchronous teardown will now also clean up any prepared VMs whose
asynchronous teardown has not been initiated yet.
This considerably speeds up the reboot of a protected VM; for large VMs
especially, it could take a long time to perform a reboot with the
traditional synchronous teardown, while with this patch it is almost
immediate.
Signed-off-by: Claudio Imbrenda <imbrenda@linux.ibm.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Message-Id: <20230214163035.44104-3-imbrenda@linux.ibm.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
|
|
hw.h only contains the protoype of one function nowadays, hw_error(),
so all files that do not use this function anymore also do not need
to include this header anymore.
Message-Id: <20230216142915.304481-1-thuth@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Thomas Huth <thuth@redhat.com>
|
|
into staging
Fourth RISC-V PR for QEMU 8.0, Attempt 2
* A triplet of cleanups to the kernel/initrd loader that avoids
duplication between the various boards.
* Weiwei Li, Daniel Henrique Barboza, and Liu Zhiwei have been added as
reviewers. Thanks for the help!
* A fix for PMP matching to avoid incorrectly appling the default
permissions on PMP permission violations.
* A cleanup to avoid an unnecessary avoid env_archcpu() in
cpu_get_tb_cpu_state().
* Fixes for the vector slide instructions to avoid truncating 64-bit
values (such as doubles) on 32-bit targets.
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# gpg: Signature made Fri 24 Feb 2023 18:49:35 GMT
# gpg: using RSA key 2B3C3747446843B24A943A7A2E1319F35FBB1889
# gpg: issuer "palmer@dabbelt.com"
# gpg: Good signature from "Palmer Dabbelt <palmer@dabbelt.com>" [unknown]
# gpg: aka "Palmer Dabbelt <palmerdabbelt@google.com>" [unknown]
# gpg: WARNING: This key is not certified with a trusted signature!
# gpg: There is no indication that the signature belongs to the owner.
# Primary key fingerprint: 00CE 76D1 8349 60DF CE88 6DF8 EF4C A150 2CCB AB41
# Subkey fingerprint: 2B3C 3747 4468 43B2 4A94 3A7A 2E13 19F3 5FBB 1889
* tag 'pull-riscv-to-apply-20230224' of github.com:palmer-dabbelt/qemu:
target/riscv: Fix vslide1up.vf and vslide1down.vf
target/riscv: avoid env_archcpu() in cpu_get_tb_cpu_state()
target/riscv: Smepmp: Skip applying default rules when address matches
MAINTAINERS: Add some RISC-V reviewers
target/riscv: Remove privileged spec version restriction for RVV
hw/riscv/boot.c: make riscv_load_initrd() static
hw/riscv/boot.c: consolidate all kernel init in riscv_load_kernel()
hw/riscv: handle 32 bit CPUs kernel_entry in riscv_load_kernel()
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
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Block layer patches
- Lock the graph, part 2 (BlockDriver callbacks)
- virtio-scsi: fix SCSIDevice hot unplug with IOThread
- rbd: Add support for layered encryption
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# gpg: Signature made Thu 23 Feb 2023 18:49:41 GMT
# gpg: using RSA key DC3DEB159A9AF95D3D7456FE7F09B272C88F2FD6
# gpg: issuer "kwolf@redhat.com"
# gpg: Good signature from "Kevin Wolf <kwolf@redhat.com>" [full]
# Primary key fingerprint: DC3D EB15 9A9A F95D 3D74 56FE 7F09 B272 C88F 2FD6
* tag 'for-upstream' of https://repo.or.cz/qemu/kevin: (29 commits)
block/rbd: Add support for layered encryption
block/rbd: Add luks-any encryption opening option
block/rbd: Remove redundant stack variable passphrase_len
virtio-scsi: reset SCSI devices from main loop thread
dma-helpers: prevent dma_blk_cb() vs dma_aio_cancel() race
scsi: protect req->aiocb with AioContext lock
block: Mark bdrv_co_refresh_total_sectors() and callers GRAPH_RDLOCK
block: Mark bdrv_*_dirty_bitmap() and callers GRAPH_RDLOCK
block: Mark bdrv_co_delete_file() and callers GRAPH_RDLOCK
block: Mark bdrv_(un)register_buf() GRAPH_RDLOCK
block: Mark bdrv_co_eject/lock_medium() and callers GRAPH_RDLOCK
block: Mark bdrv_co_is_inserted() and callers GRAPH_RDLOCK
block: Mark bdrv_co_io_(un)plug() and callers GRAPH_RDLOCK
block: Mark bdrv_co_create() and callers GRAPH_RDLOCK
block: Mark preadv_snapshot/snapshot_block_status GRAPH_RDLOCK
block: Mark bdrv_co_copy_range() GRAPH_RDLOCK
block: Mark bdrv_co_do_pwrite_zeroes() GRAPH_RDLOCK
block: Mark bdrv_co_pwrite_sync() and callers GRAPH_RDLOCK
block: Mark public read/write functions GRAPH_RDLOCK
block: Mark read/write in block/io.c GRAPH_RDLOCK
...
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
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When an IOThread is configured, the ctrl virtqueue is processed in the
IOThread. TMFs that reset SCSI devices are currently called directly
from the IOThread and trigger an assertion failure in blk_drain() from
the following call stack:
virtio_scsi_handle_ctrl_req -> virtio_scsi_do_tmf -> device_code_reset
-> scsi_disk_reset -> scsi_device_purge_requests -> blk_drain
../block/block-backend.c:1780: void blk_drain(BlockBackend *): Assertion `qemu_in_main_thread()' failed.
The blk_drain() function is not designed to be called from an IOThread
because it needs the Big QEMU Lock (BQL).
This patch defers TMFs that reset SCSI devices to a Bottom Half (BH)
that runs in the main loop thread under the BQL. This way it's safe to
call blk_drain() and the assertion failure is avoided.
Introduce s->tmf_bh_list for tracking TMF requests that have been
deferred to the BH. When the BH runs it will grab the entire list and
process all requests. Care must be taken to clear the list when the
virtio-scsi device is reset or unrealized. Otherwise deferred TMF
requests could execute later and lead to use-after-free or other
undefined behavior.
The s->resetting counter that's used by TMFs that reset SCSI devices is
accessed from multiple threads. This patch makes that explicit by using
atomic accessor functions. With this patch applied the counter is only
modified by the main loop thread under the BQL but can be read by any
thread.
Reported-by: Qing Wang <qinwang@redhat.com>
Cc: Paolo Bonzini <pbonzini@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Message-Id: <20230221212218.1378734-4-stefanha@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
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Currently dying to one of the core_dump_signal()s deadlocks, because
dump_core_and_abort() calls start_exclusive() two times: first via
stop_all_tasks(), and then via preexit_cleanup() ->
qemu_plugin_user_exit().
There are a number of ways to solve this: resume after dumping core;
check cpu_in_exclusive_context() in qemu_plugin_user_exit(); or make
{start,end}_exclusive() recursive. Pick the last option, since it's
the most straightforward one.
Fixes: da91c1920242 ("linux-user: Clean up when exiting due to a signal")
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Signed-off-by: Ilya Leoshkevich <iii@linux.ibm.com>
Message-Id: <20230214140829.45392-3-iii@linux.ibm.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
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https://gitlab.com/alex.williamson/qemu into staging
VFIO updates 2023-02-16
* Initial v2 migration support for vfio (Avihai Horon)
* Add Cédric as vfio reviewer (Cédric Le Goater)
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# gpg: Signature made Thu 16 Feb 2023 21:03:17 GMT
# gpg: using RSA key 42F6C04E540BD1A99E7B8A90239B9B6E3BB08B22
# gpg: issuer "alex.williamson@redhat.com"
# gpg: Good signature from "Alex Williamson <alex.williamson@redhat.com>" [full]
# gpg: aka "Alex Williamson <alex@shazbot.org>" [full]
# gpg: aka "Alex Williamson <alwillia@redhat.com>" [full]
# gpg: aka "Alex Williamson <alex.l.williamson@gmail.com>" [full]
# Primary key fingerprint: 42F6 C04E 540B D1A9 9E7B 8A90 239B 9B6E 3BB0 8B22
* tag 'vfio-updates-20230216.0' of https://gitlab.com/alex.williamson/qemu:
MAINTAINERS: Add myself as VFIO reviewer
docs/devel: Align VFIO migration docs to v2 protocol
vfio: Alphabetize migration section of VFIO trace-events file
vfio/migration: Remove VFIO migration protocol v1
vfio/migration: Implement VFIO migration protocol v2
vfio/migration: Rename functions/structs related to v1 protocol
vfio/migration: Move migration v1 logic to vfio_migration_init()
vfio/migration: Block multiple devices migration
vfio/common: Change vfio_devices_all_running_and_saving() logic to equivalent one
vfio/migration: Allow migration without VFIO IOMMU dirty tracking support
vfio/migration: Fix NULL pointer dereference bug
linux-headers: Update to v6.2-rc8
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
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Now that v2 protocol implementation has been added, remove the
deprecated v1 implementation.
Signed-off-by: Avihai Horon <avihaih@nvidia.com>
Reviewed-by: Cédric Le Goater <clg@redhat.com>
Reviewed-by: Juan Quintela <quintela@redhat.com>
Link: https://lore.kernel.org/r/20230216143630.25610-10-avihaih@nvidia.com
Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
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Implement the basic mandatory part of VFIO migration protocol v2.
This includes all functionality that is necessary to support
VFIO_MIGRATION_STOP_COPY part of the v2 protocol.
The two protocols, v1 and v2, will co-exist and in the following patches
v1 protocol code will be removed.
There are several main differences between v1 and v2 protocols:
- VFIO device state is now represented as a finite state machine instead
of a bitmap.
- Migration interface with kernel is now done using VFIO_DEVICE_FEATURE
ioctl and normal read() and write() instead of the migration region.
- Pre-copy is made optional in v2 protocol. Support for pre-copy will be
added later on.
Detailed information about VFIO migration protocol v2 and its difference
compared to v1 protocol can be found here [1].
[1]
https://lore.kernel.org/all/20220224142024.147653-10-yishaih@nvidia.com/
Signed-off-by: Avihai Horon <avihaih@nvidia.com>
Reviewed-by: Juan Quintela <quintela@redhat.com>.
Link: https://lore.kernel.org/r/20230216143630.25610-9-avihaih@nvidia.com
Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
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|
To avoid name collisions, rename functions and structs related to VFIO
migration protocol v1. This will allow the two protocols to co-exist
when v2 protocol is added, until v1 is removed. No functional changes
intended.
Signed-off-by: Avihai Horon <avihaih@nvidia.com>
Reviewed-by: Cédric Le Goater <clg@redhat.com>
Reviewed-by: Juan Quintela <quintela@redhat.com>
Link: https://lore.kernel.org/r/20230216143630.25610-8-avihaih@nvidia.com
Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
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Currently VFIO migration doesn't implement some kind of intermediate
quiescent state in which P2P DMAs are quiesced before stopping or
running the device. This can cause problems in multi-device migration
where the devices are doing P2P DMAs, since the devices are not stopped
together at the same time.
Until such support is added, block migration of multiple devices.
Signed-off-by: Avihai Horon <avihaih@nvidia.com>
Reviewed-by: Cédric Le Goater <clg@redhat.com>
Reviewed-by: Juan Quintela <quintela@redhat.com>
Link: https://lore.kernel.org/r/20230216143630.25610-6-avihaih@nvidia.com
Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
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|
Addresses targeting the second translation table (TTB1) in the SMMU have
all upper bits set. Ensure the IOMMU region covers all 64 bits.
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Jean-Philippe Brucker <jean-philippe@linaro.org>
Reviewed-by: Eric Auger <eric.auger@redhat.com>
Message-id: 20230214171921.1917916-2-jean-philippe@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
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|
Signed-off-by: Hao Wu <wuhaotsh@google.com>
Reviewed-by: Titus Rwantare <titusr@google.com>
Reviewed-by: Philippe Mathieu-Daude <philmd@linaro.org>
Message-id: 20230208235433.3989937-4-wuhaotsh@google.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
|