8456 Commits

Author SHA1 Message Date
Gavin Shan
611f3bdb20 hw/acpi/ghes: Make ghes_record_cper_errors() static
acpi_ghes_memory_errors() is the only caller, no need to expose
the function. Besides, the last 'return' in this function isn't
necessary and remove it.

No functional changes intended.

Signed-off-by: Gavin Shan <gshan@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-ID: <20250214041635.608012-2-gshan@redhat.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
2025-03-04 14:45:34 +01:00
Alexander Graf
ee241d79bb hw/vmapple/virtio-blk: Add support for apple virtio-blk
Apple has its own virtio-blk PCI device ID where it deviates from the
official virtio-pci spec slightly: It puts a new "apple type"
field at a static offset in config space and introduces a new barrier
command.

This patch first creates a mechanism for virtio-blk downstream classes to
handle unknown commands. It then creates such a downstream class and a new
vmapple-virtio-blk-pci class which support the additional apple type config
identifier as well as the barrier command.

The 'aux' or 'root' device type are selected using the 'variant' property.

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: Michael S. Tsirkin <mst@redhat.com>
Message-ID: <20241223221645.29911-13-phil@philjordan.eu>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
2025-03-04 14:45:34 +01:00
Alexander Graf
33b5446206 hw/vmapple/cfg: Introduce vmapple cfg region
Instead of device tree or other more standardized means, VMApple passes
platform configuration to the first stage boot loader in a binary encoded
format that resides at a dedicated RAM region in physical address space.

This patch models this configuration space as a qdev device which we can
then map at the fixed location in the address space. That way, we can
influence and annotate all configuration fields easily.

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>
Message-ID: <20241223221645.29911-12-phil@philjordan.eu>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
2025-03-04 14:45:34 +01:00
Alexander Graf
0179bb3c48 hw/vmapple/bdif: Introduce vmapple backdoor interface
The VMApple machine exposes AUX and ROOT block devices (as well as USB OTG
emulation) via virtio-pci as well as a special, simple backdoor platform
device.

This patch implements this backdoor platform device to the best of my
understanding. I left out any USB OTG parts; they're only needed for
guest recovery and I don't understand the protocol yet.

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>
Message-ID: <20241223221645.29911-11-phil@philjordan.eu>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
2025-03-04 14:45:34 +01:00
Alexander Graf
c960b38955 hw/vmapple/aes: Introduce aes engine
VMApple contains an "aes" engine device that it uses to encrypt and
decrypt its nvram. It has trivial hard coded keys it uses for that
purpose.

Add device emulation for this device model.

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>
Message-ID: <20241223221645.29911-10-phil@philjordan.eu>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
2025-03-04 14:45:34 +01:00
Alexander Graf
a89607c4d0 hw/misc/pvpanic: Add MMIO interface
In addition to the ISA and PCI variants of pvpanic, let's add an MMIO
platform device that we can use in embedded arm environments.

Signed-off-by: Alexander Graf <graf@amazon.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Tested-by: Philippe Mathieu-Daudé <philmd@linaro.org>
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: <20241223221645.29911-8-phil@philjordan.eu>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
2025-03-04 14:45:34 +01:00
Gerd Hoffmann
8b7ed5845c hw/uefi: add include/hw/uefi/var-service.h
Add state structs and function declarations for the uefi-vars device.

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Message-ID: <20250225163031.1409078-5-kraxel@redhat.com>
2025-03-04 12:01:42 +01:00
Gerd Hoffmann
8614eb902b hw/uefi: add include/hw/uefi/var-service-edk2.h
A bunch of #defines and structs copied over from edk2,
mostly needed to decode and encode the messages in the
communication buffer.

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Message-ID: <20250225163031.1409078-4-kraxel@redhat.com>
2025-03-04 12:01:42 +01:00
Gerd Hoffmann
995496fd21 hw/uefi: add include/hw/uefi/var-service-api.h
This file defines the register interface of the uefi-vars device.
It's only a handful of registers: magic value, command and status
registers, location and size of the communication buffer.

Reviewed-by: Laszlo Ersek <lersek@redhat.com>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Message-ID: <20250225163031.1409078-3-kraxel@redhat.com>
2025-03-04 12:01:42 +01:00
Gerd Hoffmann
8d127aa866 Add support for etc/hardware-info fw_cfg file
edk2 looks for the etc/hardware-info fw_cfg file to discover hardware
which can not easily be found in other ways.  Entries consist of a
header with hardware type and entry size (HARDWARE_INFO_HEADER),
followed by the actual hardware description (which is type specific).
The file can have multiple entries.

This patch adds the infrastructure to add entries to the file and an
entry struct for simple devices (HARDWARE_INFO_SIMPLE_DEVICE) which have
an mmio address only.

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Message-ID: <20250225163031.1409078-2-kraxel@redhat.com>
2025-03-04 12:01:42 +01:00
Stefan Hajnoczi
8d56d0fd2f * qom: Use command line syntax for default values in help
* i386: support cache topology with machine's configuration
 * rust: fix duplicate symbols from monitor-fd.c
 * rust: add module to convert between success/-errno and io::Result
 * rust: move class_init implementation from trait to method
 * pvg: configuration improvements
 * kvm guestmemfd: replace assertion with error
 * riscv: cleanups
 * target/i386/hvf: cleanups to emulation
 * target/i386: add Zhaoxin and Yongfeng CPU model
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Merge tag 'for-upstream' of https://gitlab.com/bonzini/qemu into staging

* qom: Use command line syntax for default values in help
* i386: support cache topology with machine's configuration
* rust: fix duplicate symbols from monitor-fd.c
* rust: add module to convert between success/-errno and io::Result
* rust: move class_init implementation from trait to method
* pvg: configuration improvements
* kvm guestmemfd: replace assertion with error
* riscv: cleanups
* target/i386/hvf: cleanups to emulation
* target/i386: add Zhaoxin and Yongfeng CPU model

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# gpg:                using RSA key F13338574B662389866C7682BFFBD25F78C7AE83
# gpg:                issuer "pbonzini@redhat.com"
# gpg: Good signature from "Paolo Bonzini <bonzini@gnu.org>" [full]
# gpg:                 aka "Paolo Bonzini <pbonzini@redhat.com>" [full]
# Primary key fingerprint: 46F5 9FBD 57D6 12E7 BFD4  E2F7 7E15 100C CD36 69B1
#      Subkey fingerprint: F133 3857 4B66 2389 866C  7682 BFFB D25F 78C7 AE83

* tag 'for-upstream' of https://gitlab.com/bonzini/qemu: (34 commits)
  target/i386: Mask CMPLegacy bit in CPUID[0x80000001].ECX for Zhaoxin CPUs
  target/i386: Introduce Zhaoxin Yongfeng CPU model
  target/i386: Add CPUID leaf 0xC000_0001 EDX definitions
  target/i386: Add support for Zhaoxin CPU vendor identification
  target/riscv: move 128-bit check to TCG realize
  target/riscv: remove unused macro DEFINE_CPU
  i386/cpu: add has_caches flag to check smp_cache configuration
  i386/pc: Support cache topology in -machine for PC machine
  i386/cpu: Update cache topology with machine's configuration
  i386/cpu: Support module level cache topology
  rust: qom: get rid of ClassInitImpl
  rust: pl011, qemu_api tests: do not use ClassInitImpl
  rust: qom: add ObjectImpl::CLASS_INIT
  rust: add SysBusDeviceImpl
  rust: add IsA bounds to QOM implementation traits
  target/i386/hvf: drop some dead code
  target/i386/hvf: move and rename simulate_{rdmsr, wrmsr}
  target/i386/hvf: move and rename {load, store}_regs
  target/i386/hvf: use x86_segment in x86_decode.c
  target/i386/hvf: fix the declaration of hvf_handle_io
  ...

Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2025-03-03 10:20:59 +08:00
Stefan Hajnoczi
09951f5a27 target-arm queue:
* hw/arm/smmuv3: Fill u.f_cd_fetch.addr for SMMU_EVT_F_CD_FETCH
  * hw/arm/virt: Support larger highmem MMIO regions
  * machine: Centralize -machine dumpdtb option handling and report
    attempt to dump nonexistent DTB as an error
  * fpu: remove target ifdefs and build it only once
  * target/arm: Refactor to move TCG-only vfp_helper code into tcg/
  * target/arm/hvf: Disable SME feature
  * target/arm/hvf: sign extend the data for a load operation when SSE=1
  * hw/misc/npcm_clk: fix buffer-overflow
  * hw/arm: Add i.MX 8M Plus EVK board ("imx8mp-evk")
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Merge tag 'pull-target-arm-20250225' of https://git.linaro.org/people/pmaydell/qemu-arm into staging

target-arm queue:
 * hw/arm/smmuv3: Fill u.f_cd_fetch.addr for SMMU_EVT_F_CD_FETCH
 * hw/arm/virt: Support larger highmem MMIO regions
 * machine: Centralize -machine dumpdtb option handling and report
   attempt to dump nonexistent DTB as an error
 * fpu: remove target ifdefs and build it only once
 * target/arm: Refactor to move TCG-only vfp_helper code into tcg/
 * target/arm/hvf: Disable SME feature
 * target/arm/hvf: sign extend the data for a load operation when SSE=1
 * hw/misc/npcm_clk: fix buffer-overflow
 * hw/arm: Add i.MX 8M Plus EVK board ("imx8mp-evk")

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# gpg: Signature made Wed 26 Feb 2025 02:02:12 HKT
# gpg:                using RSA key E1A5C593CD419DE28E8315CF3C2525ED14360CDE
# gpg:                issuer "peter.maydell@linaro.org"
# gpg: Good signature from "Peter Maydell <peter.maydell@linaro.org>" [full]
# gpg:                 aka "Peter Maydell <pmaydell@gmail.com>" [full]
# gpg:                 aka "Peter Maydell <pmaydell@chiark.greenend.org.uk>" [full]
# gpg:                 aka "Peter Maydell <peter@archaic.org.uk>" [unknown]
# Primary key fingerprint: E1A5 C593 CD41 9DE2 8E83  15CF 3C25 25ED 1436 0CDE

* tag 'pull-target-arm-20250225' of https://git.linaro.org/people/pmaydell/qemu-arm: (43 commits)
  hw/arm/fsl-imx8mp: Add on-chip RAM
  hw/arm/fsl-imx8mp: Add USB support
  hw/arm/fsl-imx8mp: Add Ethernet controller
  hw/arm/fsl-imx8mp: Implement general purpose timers
  hw/arm/fsl-imx8mp: Add watchdog support
  hw/arm/fsl-imx8mp: Add SPI controllers
  hw/arm/fsl-imx8mp: Add I2C controllers
  hw/arm/fsl-imx8mp: Add GPIO controllers
  hw/arm/fsl-imx8mp: Add PCIe support
  hw/arm/fsl-imx8mp: Add USDHC storage controllers
  hw/arm/fsl-imx8mp: Add SNVS
  hw/arm/fsl-imx8mp: Implement clock tree
  hw/arm: Add i.MX 8M Plus EVK board
  hw/gpio/pca955*: Move Kconfig switches next to implementations
  hw/pci-host/designware: Prevent device attachment on internal PCIe root bus
  hw/usb/hcd-dwc3: Align global registers size with Linux
  hw/misc/npcm_clk: fix buffer-overflow
  target/arm/hvf: sign extend the data for a load operation when SSE=1
  target/arm/hvf: Disable SME feature
  target/arm: Rename vfp_helper.c to vfp_fpscr.c
  ...

Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2025-03-03 10:20:03 +08:00
Bernhard Beschow
1aaf347868 hw/arm/fsl-imx8mp: Add on-chip RAM
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Bernhard Beschow <shentey@gmail.com>
Message-id: 20250223114708.1780-18-shentey@gmail.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2025-02-25 17:24:00 +00:00
Bernhard Beschow
4226c39fea hw/arm/fsl-imx8mp: Add USB support
Split the USB MMIO regions to better keep track of the implemented vs.
unimplemented regions.

Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Bernhard Beschow <shentey@gmail.com>
Message-id: 20250223114708.1780-16-shentey@gmail.com
[PMM: drop "static const" from usb_table for GCC 7.5]
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2025-02-25 17:12:18 +00:00
Bernhard Beschow
0c105b2615 hw/arm/fsl-imx8mp: Add Ethernet controller
The i.MX 8M Plus SoC actually has two ethernet controllers, the usual ENET one
and a Designware one. There is no device model for the latter, so only add the
ENET one.

Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Bernhard Beschow <shentey@gmail.com>
Message-id: 20250223114708.1780-15-shentey@gmail.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2025-02-25 17:12:18 +00:00
Bernhard Beschow
f8b2612176 hw/arm/fsl-imx8mp: Implement general purpose timers
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Bernhard Beschow <shentey@gmail.com>
Message-id: 20250223114708.1780-14-shentey@gmail.com
[PMM: drop static const from gpt_attrs for GCC 7.5]
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2025-02-25 17:03:46 +00:00
Bernhard Beschow
1ac21eb8fb hw/arm/fsl-imx8mp: Add watchdog support
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Bernhard Beschow <shentey@gmail.com>
Message-id: 20250223114708.1780-13-shentey@gmail.com
[PMM: drop static const from wdog_table for GCC 7.5]
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2025-02-25 17:03:29 +00:00
Bernhard Beschow
06908a84f0 hw/arm/fsl-imx8mp: Add SPI controllers
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Bernhard Beschow <shentey@gmail.com>
Message-id: 20250223114708.1780-12-shentey@gmail.com
[PMM: drop static const from spi_table for GCC 7.5]
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2025-02-25 17:03:14 +00:00
Bernhard Beschow
764f18afb2 hw/arm/fsl-imx8mp: Add I2C controllers
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Bernhard Beschow <shentey@gmail.com>
Message-id: 20250223114708.1780-11-shentey@gmail.com
[PMM: drop static const from i2c_table for GCC 7.5]
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2025-02-25 17:02:59 +00:00
Bernhard Beschow
a17c1d932e hw/arm/fsl-imx8mp: Add GPIO controllers
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Bernhard Beschow <shentey@gmail.com>
Message-id: 20250223114708.1780-10-shentey@gmail.com
[PMM: drop static const from gpio_table for GCC 7.5]
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2025-02-25 17:02:37 +00:00
Bernhard Beschow
fd1deb5301 hw/arm/fsl-imx8mp: Add PCIe support
Linux checks for the PLLs in the PHY to be locked, so implement a model
emulating that.

Signed-off-by: Bernhard Beschow <shentey@gmail.com>
Message-id: 20250223114708.1780-9-shentey@gmail.com
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2025-02-25 17:02:34 +00:00
Bernhard Beschow
a81193c3e9 hw/arm/fsl-imx8mp: Add USDHC storage controllers
The USDHC emulation allows for running real-world images such as those generated
by Buildroot. Convert the board documentation accordingly instead of running a
Linux kernel with ephemeral storage.

Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Bernhard Beschow <shentey@gmail.com>
Message-id: 20250223114708.1780-8-shentey@gmail.com
[PMM: drop 'static const' from usdhc_table[] for GCC 7.5]
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2025-02-25 17:02:16 +00:00
Bernhard Beschow
487967bed6 hw/arm/fsl-imx8mp: Add SNVS
SNVS contains an RTC which allows Linux to deal correctly with time. This is
particularly useful when handling persistent storage which will be done in the
next patch.

Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Bernhard Beschow <shentey@gmail.com>
Message-id: 20250223114708.1780-7-shentey@gmail.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2025-02-25 17:02:14 +00:00
Bernhard Beschow
86c2dff955 hw/arm/fsl-imx8mp: Implement clock tree
Fixes quite a few stack traces during the Linux boot process. Also provides the
clocks for devices added later, e.g. enet1.

Signed-off-by: Bernhard Beschow <shentey@gmail.com>
Message-id: 20250223114708.1780-6-shentey@gmail.com
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2025-02-25 17:02:00 +00:00
Bernhard Beschow
a4eefc69b2 hw/arm: Add i.MX 8M Plus EVK board
As a first step, implement the bare minimum: CPUs, RAM, interrupt controller,
serial. All other devices of the A53 memory map are represented as
TYPE_UNIMPLEMENTED_DEVICE, i.e. the whole memory map is provided. This allows
for running Linux without it crashing due to invalid memory accesses.

Signed-off-by: Bernhard Beschow <shentey@gmail.com>
Message-id: 20250223114708.1780-5-shentey@gmail.com
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
[PMM: drop 'static const' from serial_table[] definition to avoid
 compile failure on GCC 7.5]
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2025-02-25 15:32:58 +00:00
Bernhard Beschow
faa2150a52 hw/pci-host/designware: Prevent device attachment on internal PCIe root bus
On the real device, the PCIe root bus is only connected to a PCIe bridge and
does not allow for direct attachment of devices. Doing so in QEMU results in no
PCI devices being detected by Linux. Instead, PCI devices should plug into the
secondary PCIe bus spawned by the internal PCIe bridge.

Unfortunately, QEMU defaults to plugging devices into the PCIe root bus. To work
around this, every PCI device created on the command line needs an extra
`bus=dw-pcie` option which is error prone. Fix that by marking the PCIe root bus
as full which makes QEMU decend into the child PCIe bus.

Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Bernhard Beschow <shentey@gmail.com>
Message-id: 20250223114708.1780-3-shentey@gmail.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2025-02-25 15:32:58 +00:00
Bernhard Beschow
b513766ee9 hw/usb/hcd-dwc3: Align global registers size with Linux
While at it add missing GUSB2RHBCTL register as found in i.MX 8M Plus reference
manual.

Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Bernhard Beschow <shentey@gmail.com>
Message-id: 20250223114708.1780-2-shentey@gmail.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2025-02-25 15:32:58 +00:00
Alireza Sanaee
47fc56f36d i386/cpu: add has_caches flag to check smp_cache configuration
Add has_caches flag to SMPCompatProps, which helps in avoiding
extra checks for every single layer of caches in x86 (and ARM in
future).

Signed-off-by: Alireza Sanaee <alireza.sanaee@huawei.com>
Signed-off-by: Zhao Liu <zhao1.liu@intel.com>
Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Link: https://lore.kernel.org/r/20250110145115.1574345-6-zhao1.liu@intel.com
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2025-02-25 16:18:12 +01:00
Bibo Mao
db369c11c9 target/loongarch: Enable virtual extioi feature
Feature virtual extioi is loongArch virt machine property rather than
vCPU property in qemu side. However it is vCPU property in KVM kernel
side, here add loongArch virt machine property checking and enable virt
extioi feature when vCPU is created.

Signed-off-by: Bibo Mao <maobibo@loongson.cn>
Reviewed-by: Bibo Mao <maobibo@loongson.cn>
2025-02-25 16:05:31 +08:00
Peter Maydell
db0dd33559 hw/mips/boston: Support dumpdtb monitor commands
The boston machine doesn't set MachineState::fdt to the DTB blob that
it has loaded or created, which means that the QMP/HMP dumpdtb
monitor commands don't work.

Setting MachineState::fdt is easy in the non-FIT codepath: we can
simply do so immediately before loading the DTB into guest memory.
The FIT codepath is a bit more awkward as currently the FIT loader
throws away the memory that the FDT was in after it loads it into
guest memory.  So we add a void *pfdt argument to load_fit() for it
to store the FDT pointer into.

There is some readjustment required of the pointer handling in
loader-fit.c, so that it applies 'const' only where it should (e.g.
the data pointer we get back from fdt_getprop() is const, because
it's into the middle of the input FDT data, but the pointer that
fit_load_image_alloc() should not be const, because it's freshly
allocated memory that the caller can change if it likes).

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-id: 20250206151214.2947842-5-peter.maydell@linaro.org
2025-02-24 15:03:42 +00:00
Peter Maydell
3c25f487bc hw/openrisc: Support monitor dumpdtb command
The openrisc machines don't set MachineState::fdt to point to their
DTB blob.  This means that although the command line '-machine
dumpdtb=file.dtb' option works, the equivalent QMP and HMP monitor
commands do not, but instead produce the error "This machine doesn't
have a FDT".

Set MachineState::fdt in openrisc_load_fdt(), when we write it to
guest memory.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-id: 20250206151214.2947842-3-peter.maydell@linaro.org
2025-02-24 15:03:42 +00:00
Stefan Hajnoczi
b69801dd6b virtio,pc,pci: features, fixes, cleanups
Features:
 
 SR-IOV emulation for pci
 virtio-mem-pci support for s390
 interleave support for cxl
 big endian support for vdpa svq
 new QAPI events for vhost-user
 
 Also vIOMMU reset order fixups are in.
 Fixes, cleanups all over the place.
 
 Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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Merge tag 'for_upstream' of https://git.kernel.org/pub/scm/virt/kvm/mst/qemu into staging

virtio,pc,pci: features, fixes, cleanups

Features:

SR-IOV emulation for pci
virtio-mem-pci support for s390
interleave support for cxl
big endian support for vdpa svq
new QAPI events for vhost-user

Also vIOMMU reset order fixups are in.
Fixes, cleanups all over the place.

Signed-off-by: Michael S. Tsirkin <mst@redhat.com>

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* tag 'for_upstream' of https://git.kernel.org/pub/scm/virt/kvm/mst/qemu: (41 commits)
  docs/devel/reset: Document reset expectations for DMA and IOMMU
  hw/vfio/common: Add a trace point in vfio_reset_handler
  hw/arm/smmuv3: Move reset to exit phase
  hw/i386/intel-iommu: Migrate to 3-phase reset
  hw/virtio/virtio-iommu: Migrate to 3-phase reset
  vhost-user-snd: correct the calculation of config_size
  net: vhost-user: add QAPI events to report connection state
  hw/virtio/virtio-nsm: Respond with correct length
  vdpa: Fix endian bugs in shadow virtqueue
  MAINTAINERS: add more files to `vhost`
  cryptodev/vhost: allocate CryptoDevBackendVhost using g_mem0()
  vhost-iova-tree: Update documentation
  vhost-iova-tree, svq: Implement GPA->IOVA & partial IOVA->HVA trees
  vhost-iova-tree: Implement an IOVA-only tree
  amd_iommu: Use correct bitmask to set capability BAR
  amd_iommu: Use correct DTE field for interrupt passthrough
  hw/virtio: reset virtio balloon stats on machine reset
  mem/cxl_type3: support 3, 6, 12 and 16 interleave ways
  hw/mem/cxl_type3: Ensure errp is set on realization failure
  hw/mem/cxl_type3: Fix special_ops memory leak on msix_init_exclusive_bar() failure
  ...

Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2025-02-22 05:06:39 +08:00
Daniel P. Berrangé
1456e90653 hw/virtio: reset virtio balloon stats on machine reset
When a machine is first booted, all virtio balloon stats are initialized
to their default value -1 (18446744073709551615 when represented as
unsigned).

They remain that way while the firmware is loading, and early phase of
guest OS boot, until the virtio-balloon driver is activated. Thereafter
the reported stats reflect the guest OS activity.

When a machine reset is performed, however, the virtio-balloon stats are
left unchanged by QEMU, despite the guest OS no longer updating them,
nor indeed even still existing.

IOW, the mgmt app keeps getting stale stats until the guest OS starts
once more and loads the virtio-balloon driver (if ever). At that point
the app will see a discontinuity in the reported values as they sudden
jump from the stale value to the new value. This jump is indigituishable
from a valid data update.

While there is an "last-updated" field to report on the freshness of
the stats, that does not unambiguously tell the mgmt app whether the
stats are still conceptually relevant to the current running workload.

It is more conceptually useful to reset the stats to their default
values on machine reset, given that the previous guest workload the
stats reflect no longer exists. The mgmt app can now clearly identify
that there are is no stats information available from the current
executing workload.

The 'last-updated' time is also reset back to 0.

IOW, on every machine reset, the virtio stats are in the same clean
state they were when the macine first powered on.

A functional test is added to validate this behaviour with a real
world guest OS.

Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
Message-Id: <20250204094202.2183262-1-berrange@redhat.com>
Acked-by: David Hildenbrand <david@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2025-02-21 07:18:42 -05:00
Li Zhijian
8f90a54cfa hw/cxl: Introduce CXL_T3_MSIX_VECTOR enumeration
Introduce the `CXL_T3_MSIX_VECTOR` enumeration to specify MSIX vector
assignments specific to the Type 3 (T3) CXL device.

The primary goal of this change is to encapsulate the MSIX vector uses
that are unique to the T3 device within an enumeration, improving code
readability and maintenance by avoiding magic numbers. This organizational
change allows for more explicit references to each vector’s role, thereby
reducing the potential for misconfiguration.

It also modified `mailbox_reg_init_common` to accept the `msi_n` parameter,
reflecting the new MSIX vector setup.

This pertains to the T3 device privately; other endpoints should refrain from
using it, despite its public accessibility to all of them.

Signed-off-by: Li Zhijian <lizhijian@fujitsu.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Message-Id: <20250203161908.145406-2-Jonathan.Cameron@huawei.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2025-02-21 07:18:42 -05:00
Akihiko Odaki
f9efcd4711 pcie_sriov: Register VFs after migration
pcie_sriov doesn't have code to restore its state after migration, but
igb, which uses pcie_sriov, naively claimed its migration capability.

Add code to register VFs after migration and fix igb migration.

Fixes: 3a977deebe6b ("Intrdocue igb device emulation")
Signed-off-by: Akihiko Odaki <akihiko.odaki@daynix.com>
Message-Id: <20250116-reuse-v20-11-7cb370606368@daynix.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2025-02-20 18:23:19 -05:00
Akihiko Odaki
5e7dd17e43 pcie_sriov: Remove num_vfs from PCIESriovPF
num_vfs is not migrated so use PCI_SRIOV_CTRL_VFE and PCI_SRIOV_NUM_VF
instead.

Signed-off-by: Akihiko Odaki <akihiko.odaki@daynix.com>
Message-Id: <20250116-reuse-v20-10-7cb370606368@daynix.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2025-02-20 18:23:19 -05:00
Akihiko Odaki
cab1398a60 pcie_sriov: Reuse SR-IOV VF device instances
Disable SR-IOV VF devices by reusing code to power down PCI devices
instead of removing them when the guest requests to disable VFs. This
allows to realize devices and report VF realization errors at PF
realization time.

Signed-off-by: Akihiko Odaki <akihiko.odaki@daynix.com>
Message-Id: <20250116-reuse-v20-8-7cb370606368@daynix.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2025-02-20 18:23:19 -05:00
Akihiko Odaki
3391d68e90 pcie_sriov: Ensure VF addr does not overflow
pci_new() aborts when creating a VF with addr >= PCI_DEVFN_MAX.

Signed-off-by: Akihiko Odaki <akihiko.odaki@daynix.com>
Message-Id: <20250116-reuse-v20-7-7cb370606368@daynix.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2025-02-20 18:23:19 -05:00
Hao Wu
7e70eb3cad hw/arm: Add NPCM845 Evaluation board
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Hao Wu <wuhaotsh@google.com>
Message-id: 20250219184609.1839281-17-wuhaotsh@google.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2025-02-20 15:22:22 +00:00
Hao Wu
ae0c4d1a12 hw/arm: Add NPCM8XX SoC
Signed-off-by: Hao Wu <wuhaotsh@google.com>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Message-id: 20250219184609.1839281-16-wuhaotsh@google.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2025-02-20 15:22:22 +00:00
Hao Wu
3d107d36f9 hw/net: Add NPCM8XX PCS Module
The PCS exists in NPCM8XX's GMAC1 and is used to control the SGMII
PHY. This implementation contains all the default registers and
the soft reset feature that are required to load the Linux kernel
driver. Further features have not been implemented yet.

Signed-off-by: Hao Wu <wuhaotsh@google.com>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Message-id: 20250219184609.1839281-15-wuhaotsh@google.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2025-02-20 15:22:22 +00:00
Hao Wu
4e67d50dea hw/misc: Support NPCM8XX CLK Module Registers
NPCM8XX adds a few new registers and have a different set of reset
values to the CLK modules. This patch supports them.

This patch doesn't support the new clock values generated by these
registers. Currently no modules use these new clock values so they
are not necessary at this point.
Implementation of these clocks might be required when implementing
these modules.

Reviewed-by: Titus Rwantare <titusr@google.com>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Hao Wu <wuhaotsh@google.com>
Message-id: 20250219184609.1839281-14-wuhaotsh@google.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2025-02-20 15:22:22 +00:00
Hao Wu
cf76c4e174 hw/misc: Add nr_regs and cold_reset_values to NPCM CLK
These 2 values are different between NPCM7XX and NPCM8XX
CLKs. So we add them to the class and assign different values
to them.

Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Hao Wu <wuhaotsh@google.com>
Message-id: 20250219184609.1839281-13-wuhaotsh@google.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2025-02-20 15:22:22 +00:00
Hao Wu
ca6d6a94f4 hw/misc: Move NPCM7XX CLK to NPCM CLK
A lot of NPCM7XX and NPCM8XX CLK modules share the same code,
this commit moves the NPCM7XX CLK to NPCM CLK for these
properties.

Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Hao Wu <wuhaotsh@google.com>
Message-id: 20250219184609.1839281-12-wuhaotsh@google.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2025-02-20 15:22:22 +00:00
Hao Wu
c8283b0f4a hw/misc: Rename npcm7xx_clk to npcm_clk
NPCM7XX and NPCM8XX have a different set of CLK registers. This
commit changes the name of the clk files to be used by both
NPCM7XX and NPCM8XX CLK modules.

Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Hao Wu <wuhaotsh@google.com>
Message-id: 20250219184609.1839281-11-wuhaotsh@google.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2025-02-20 15:22:22 +00:00
Hao Wu
0ad46bbb56 hw/misc: Store DRAM size in NPCM8XX GCR Module
NPCM8XX boot block stores the DRAM size in SCRPAD_B register in GCR
module. Since we don't simulate a detailed memory controller, we
need to store this information directly similar to the NPCM7XX's
INCTR3 register.

Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Hao Wu <wuhaotsh@google.com>
Message-id: 20250219184609.1839281-9-wuhaotsh@google.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2025-02-20 15:22:21 +00:00
Hao Wu
d9ffb75f2a hw/misc: Add support for NPCM8XX GCR
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Hao Wu <wuhaotsh@google.com>
Message-id: 20250219184609.1839281-8-wuhaotsh@google.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2025-02-20 15:22:21 +00:00
Hao Wu
8ca2021b9d hw/misc: Add nr_regs and cold_reset_values to NPCM GCR
These 2 values are different between NPCM7XX and NPCM8XX
GCRs. So we add them to the class and assign different values
to them.

Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Hao Wu <wuhaotsh@google.com>
Message-id: 20250219184609.1839281-7-wuhaotsh@google.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2025-02-20 15:22:21 +00:00
Hao Wu
c99064e637 hw/misc: Move NPCM7XX GCR to NPCM GCR
A lot of NPCM7XX and NPCM8XX GCR modules share the same code,
this commit moves the NPCM7XX GCR to NPCM GCR for these
properties.

Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Hao Wu <wuhaotsh@google.com>
Message-id: 20250219184609.1839281-6-wuhaotsh@google.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2025-02-20 15:22:21 +00:00
Hao Wu
506af2330c hw/misc: Rename npcm7xx_gcr to npcm_gcr
NPCM7XX and NPCM8XX have a different set of GCRs and the GCR module
needs to fit both. This commit changes the name of the GCR module.
Future commits will add the support for NPCM8XX GCRs.

Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Hao Wu <wuhaotsh@google.com>
Message-id: 20250219184609.1839281-5-wuhaotsh@google.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2025-02-20 15:22:19 +00:00