Add nic_io initialization to enable NIC service, configure the
function table, initialize hwdev dev_id and negotiate activation
of NIC features.
Co-developed-by: Zhu Yikai <zhuyikai1@h-partners.com>
Signed-off-by: Zhu Yikai <zhuyikai1@h-partners.com>
Signed-off-by: Fan Gong <gongfan1@huawei.com>
Reviewed-by: Vadim Fedorenko <vadim.fedorenko@linux.dev>
Link: https://patch.msgid.link/fab9c4235c0fc0f65c9ac1add20dba5ac2160328.1757653621.git.zhuyikai1@h-partners.com
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Detailed description for this pull request:
- Fix wakeup source leaks on device unbind for extcon drivers
- Add new Maxim MAX14526 MUIC extcon driver and dt-binding document
: The MAX14526 is designed to simplify interface requirements on portable
devices by multiplexing common inputs (USB, UART, Microphone, Stereo Audio
and Composite Video) on a single micro/mini USB connector. The USB input
supports Hi-Speed USB and the audio/video inputs feature
: This provides the following supported external connector detection
- EXTCON_USB
- EXTCON_USB_HOST
- EXTCON_CHG_USB_FAST
- EXTCON_DISP_MHL
- Convert legacy DT binding to YAML of richktek,rt8973a-muic.yaml
- Add missing DT binding information of that must include either id-gpios or
vbus-gpios for linux,extcon-usb-gpio.yaml
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Merge tag 'extcon-next-for-6.18' of ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/chanwoo/extcon into char-misc-next
Chanwoo writes:
Update extcon next for v6.18
Detailed description for this pull request:
- Fix wakeup source leaks on device unbind for extcon drivers
- Add new Maxim MAX14526 MUIC extcon driver and dt-binding document
: The MAX14526 is designed to simplify interface requirements on portable
devices by multiplexing common inputs (USB, UART, Microphone, Stereo Audio
and Composite Video) on a single micro/mini USB connector. The USB input
supports Hi-Speed USB and the audio/video inputs feature
: This provides the following supported external connector detection
- EXTCON_USB
- EXTCON_USB_HOST
- EXTCON_CHG_USB_FAST
- EXTCON_DISP_MHL
- Convert legacy DT binding to YAML of richktek,rt8973a-muic.yaml
- Add missing DT binding information of that must include either id-gpios or
vbus-gpios for linux,extcon-usb-gpio.yaml
* tag 'extcon-next-for-6.18' of ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/chanwoo/extcon:
dt-bindings: extcon: linux,extcon-usb-gpio: GPIO must be provided
dt-bindings: extcon: rt8973a: Convert DT bindings to YAML
extcon: max14526: depends on I2C to prevent build warning/errors
extcon: max14526: avoid defined but not used warning
extcon: Add basic support for Maxim MAX14526 MUIC
dt-bindings: extcon: Document Maxim MAX14526 MUIC
extcon: adc-jack: Cleanup wakeup source only if it was enabled
extcon: qcom-spmi-misc: Fix wakeup source leaks on device unbind
extcon: fsa9480: Fix wakeup source leaks on device unbind
extcon: axp288: Fix wakeup source leaks on device unbind
extcon: adc-jack: Fix wakeup source leaks on device unbind
adi,ad5360
- Use a signed int type to be able to hold a potential error return.
adi,ad5421
- Use a signed int type to be able to hold a potential error return.
adi,adf4350
- Ensure rules on VCO frequency and prescaler values are met.
- Fix a wrong offset for the clock divisor control field.
xilinx,ams
- Unmask alarms correctly if an event is disabled and re-enabled.
- Fix a wrong register field mask.
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Merge tag 'iio-fixes-for-6.17b' of ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/jic23/iio into char-misc-next
Jonathan writes:
IIO: 2nd set of fixes for the 6.17 cycle (or 6.18 merge window)
adi,ad5360
- Use a signed int type to be able to hold a potential error return.
adi,ad5421
- Use a signed int type to be able to hold a potential error return.
adi,adf4350
- Ensure rules on VCO frequency and prescaler values are met.
- Fix a wrong offset for the clock divisor control field.
xilinx,ams
- Unmask alarms correctly if an event is disabled and re-enabled.
- Fix a wrong register field mask.
* tag 'iio-fixes-for-6.17b' of ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/jic23/iio:
iio: dac: ad5421: use int type to store negative error codes
iio: dac: ad5360: use int type to store negative error codes
iio: frequency: adf4350: Fix ADF4350_REG3_12BIT_CLKDIV_MODE
iio: frequency: adf4350: Fix prescaler usage.
iio: xilinx-ams: Fix AMS_ALARM_THR_DIRECT_MASK
iio: xilinx-ams: Unmask interrupts after updating alarms
iio/adc/pac1934: fix channel disable configuration
It turns out that the dual screen models use 0x5E for attaching and
detaching the keyboard instead of 0x5F. So, re-add the codes by
reverting commit cf3940ac73 ("platform/x86: asus-wmi: Remove extra
keys from ignore_key_wlan quirk"). For our future reference, add a
comment next to 0x5E indicating that it is used for that purpose.
Fixes: cf3940ac73 ("platform/x86: asus-wmi: Remove extra keys from ignore_key_wlan quirk")
Reported-by: Rahul Chandra <rahul@chandra.net>
Closes: https://lore.kernel.org/all/10020-68c90c80-d-4ac6c580@106290038/
Cc: stable@kernel.org
Signed-off-by: Antheas Kapenekakis <lkml@antheas.dev>
Link: https://patch.msgid.link/20250916072818.196462-1-lkml@antheas.dev
Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Includes a cleanup of the Counter subsystem sysfs attributes
documentation component_id list to alphabetical order, and replaces
superfluous error handling code in ecap_cnt_probe() with a call to
device-managed devm_pm_runtime_enable().
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Merge tag 'counter-updates-for-6.18' of ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/wbg/counter into char-misc-next
William writes:
Counter updates for 6.18
Includes a cleanup of the Counter subsystem sysfs attributes
documentation component_id list to alphabetical order, and replaces
superfluous error handling code in ecap_cnt_probe() with a call to
device-managed devm_pm_runtime_enable().
* tag 'counter-updates-for-6.18' of ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/wbg/counter:
counter: ti-ecap-capture: Use devm_pm_runtime_enable()
counter: Alphabetize component_id sysfs attributes Documentation list
Include the ACPI ID AMDI0108, which is used on upcoming AMD platforms, in
the PMF driver's list of supported devices.
Signed-off-by: Shyam Sundar S K <Shyam-sundar.S-k@amd.com>
Reviewed-by: Mario Limonciello (AMD) <superm1@kernel.org>
Link: https://patch.msgid.link/20250915090546.2759130-1-Shyam-sundar.S-k@amd.com
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Dell systems utilize an EC-based touchpad emulation when the ACPI
touchpad _DSM is not invoked. This emulation acts as a secondary
master on the I2C bus, designed for scenarios where the I2C touchpad
driver is absent, such as in BIOS menus. Typically, loading the
i2c-hid module triggers the _DSM at initialization, disabling the
EC-based emulation.
However, if the i2c-hid module is missing from the boot kernel
used for hibernation snapshot restoration, the _DSM remains
uncalled, resulting in dual masters on the I2C bus and
subsequent arbitration errors. This issue arises when i2c-hid
resides in the rootfs instead of the kernel or initramfs.
To address this, switch from using the SYSTEM_SLEEP_PM_OPS()
macro to dedicated callbacks, introducing a specific
callback for restoring the S4 image. This callback ensures
the _DSM is invoked.
Signed-off-by: Mario Limonciello (AMD) <superm1@kernel.org>
Signed-off-by: Benjamin Tissoires <bentiss@kernel.org>
The VESA AUX backlight fails to be enable luminance based backlight
mainpulation becaused luminance_set is false by default.
Fix it by using luminance support control capabitliy.
Fixes: e13af5166a ("drm/i915/backlight: Use drm helper to initialize edp backlight")
Signed-off-by: Aaron Ma <aaron.ma@canonical.com>
Reviewed-by: Suraj Kandpal <suraj.kandpal@intel.com>
Signed-off-by: Suraj Kandpal <suraj.kandpal@intel.com>
Link: https://lore.kernel.org/r/20250823121647.275834-1-aaron.ma@canonical.com
(cherry picked from commit 72136efb87)
Signed-off-by: Tvrtko Ursulin <tursulin@ursulin.net>
Prepare for `core::ffi::CStr` taking the place of `kernel::str::CStr` by
avoid methods that only exist on the latter.
Signed-off-by: Tamir Duberstein <tamird@gmail.com>
Reviewed-by: Benno Lossin <lossin@kernel.org>
Signed-off-by: Miguel Ojeda <ojeda@kernel.org>
Prepare for `core::ffi::CStr` taking the place of `kernel::str::CStr` by
avoid methods that only exist on the latter.
Link: https://github.com/Rust-for-Linux/linux/issues/1075
Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Reviewed-by: Alice Ryhl <aliceryhl@google.com>
Reviewed-by: Benno Lossin <lossin@kernel.org>
Signed-off-by: Tamir Duberstein <tamird@gmail.com>
Signed-off-by: Miguel Ojeda <ojeda@kernel.org>
Prepare for `core::ffi::CStr` taking the place of `kernel::str::CStr` by
avoid methods that only exist on the latter.
Link: https://github.com/Rust-for-Linux/linux/issues/1075
Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Reviewed-by: Alice Ryhl <aliceryhl@google.com>
Reviewed-by: Benno Lossin <lossin@kernel.org>
Signed-off-by: Tamir Duberstein <tamird@gmail.com>
Signed-off-by: Miguel Ojeda <ojeda@kernel.org>
Prepare for `core::ffi::CStr` taking the place of `kernel::str::CStr` by
avoid methods that only exist on the latter.
Link: https://github.com/Rust-for-Linux/linux/issues/1075
Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Reviewed-by: Alice Ryhl <aliceryhl@google.com>
Reviewed-by: Benno Lossin <lossin@kernel.org>
Signed-off-by: Tamir Duberstein <tamird@gmail.com>
Signed-off-by: Miguel Ojeda <ojeda@kernel.org>
Prepare for `core::ffi::CStr` taking the place of `kernel::str::CStr` by
avoid methods that only exist on the latter.
Link: https://github.com/Rust-for-Linux/linux/issues/1075
Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Reviewed-by: Alice Ryhl <aliceryhl@google.com>
Reviewed-by: Benno Lossin <lossin@kernel.org>
Signed-off-by: Tamir Duberstein <tamird@gmail.com>
Signed-off-by: Miguel Ojeda <ojeda@kernel.org>
Prepare for `core::ffi::CStr` taking the place of `kernel::str::CStr` by
avoid methods that only exist on the latter.
Link: https://github.com/Rust-for-Linux/linux/issues/1075
Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Reviewed-by: Alice Ryhl <aliceryhl@google.com>
Reviewed-by: Benno Lossin <lossin@kernel.org>
Acked-by: Danilo Krummrich <dakr@kernel.org>
Signed-off-by: Tamir Duberstein <tamird@gmail.com>
Signed-off-by: Miguel Ojeda <ojeda@kernel.org>
Prepare for `core::ffi::CStr` taking the place of `kernel::str::CStr` by
avoid methods that only exist on the latter.
Link: https://github.com/Rust-for-Linux/linux/issues/1075
Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Reviewed-by: Alice Ryhl <aliceryhl@google.com>
Reviewed-by: Benno Lossin <lossin@kernel.org>
Acked-by: Danilo Krummrich <dakr@kernel.org>
Signed-off-by: Tamir Duberstein <tamird@gmail.com>
Signed-off-by: Miguel Ojeda <ojeda@kernel.org>
Prepare for `core::ffi::CStr` taking the place of `kernel::str::CStr` by
avoid methods that only exist on the latter.
Link: https://github.com/Rust-for-Linux/linux/issues/1075
Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Reviewed-by: Alice Ryhl <aliceryhl@google.com>
Reviewed-by: Benno Lossin <lossin@kernel.org>
Signed-off-by: Tamir Duberstein <tamird@gmail.com>
Acked-by: Viresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: Miguel Ojeda <ojeda@kernel.org>
Prepare for `core::ffi::CStr` taking the place of `kernel::str::CStr` by
avoid methods that only exist on the latter.
Also avoid `Deref<Target=BStr> for CStr` as that impl doesn't exist on
`core::ffi::CStr`.
Link: https://github.com/Rust-for-Linux/linux/issues/1075
Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Reviewed-by: Alice Ryhl <aliceryhl@google.com>
Reviewed-by: Benno Lossin <lossin@kernel.org>
Signed-off-by: Tamir Duberstein <tamird@gmail.com>
Acked-by: Andreas Hindborg <a.hindborg@kernel.org>
Signed-off-by: Miguel Ojeda <ojeda@kernel.org>
Prepare for `core::ffi::CStr` taking the place of `kernel::str::CStr` by
avoid methods that only exist on the latter.
Link: https://github.com/Rust-for-Linux/linux/issues/1075
Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Reviewed-by: Alice Ryhl <aliceryhl@google.com>
Reviewed-by: Benno Lossin <lossin@kernel.org>
Acked-by: Danilo Krummrich <dakr@kernel.org>
Signed-off-by: Tamir Duberstein <tamird@gmail.com>
Signed-off-by: Miguel Ojeda <ojeda@kernel.org>
Prepare for `core::ffi::CStr` taking the place of `kernel::str::CStr` by
avoid methods that only exist on the latter.
Link: https://github.com/Rust-for-Linux/linux/issues/1075
Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Reviewed-by: Alice Ryhl <aliceryhl@google.com>
Reviewed-by: Benno Lossin <lossin@kernel.org>
Acked-by: Danilo Krummrich <dakr@kernel.org>
Signed-off-by: Tamir Duberstein <tamird@gmail.com>
Acked-by: Jocelyn Falempe <jfalempe@redhat.com>
Signed-off-by: Miguel Ojeda <ojeda@kernel.org>
Reduce coupling to implementation details of the formatting machinery by
avoiding direct use for `core`'s formatting traits and macros.
Signed-off-by: Tamir Duberstein <tamird@gmail.com>
Reviewed-by: Benno Lossin <lossin@kernel.org>
Signed-off-by: Miguel Ojeda <ojeda@kernel.org>
Reduce coupling to implementation details of the formatting machinery by
avoiding direct use for `core`'s formatting traits and macros.
Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Reviewed-by: Alice Ryhl <aliceryhl@google.com>
Reviewed-by: Benno Lossin <lossin@kernel.org>
Signed-off-by: Tamir Duberstein <tamird@gmail.com>
Signed-off-by: Miguel Ojeda <ojeda@kernel.org>
Reduce coupling to implementation details of the formatting machinery by
avoiding direct use for `core`'s formatting traits and macros.
Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Reviewed-by: Alice Ryhl <aliceryhl@google.com>
Reviewed-by: Benno Lossin <lossin@kernel.org>
Signed-off-by: Tamir Duberstein <tamird@gmail.com>
Signed-off-by: Miguel Ojeda <ojeda@kernel.org>
Reduce coupling to implementation details of the formatting machinery by
avoiding direct use for `core`'s formatting traits and macros.
Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Reviewed-by: Alice Ryhl <aliceryhl@google.com>
Reviewed-by: Benno Lossin <lossin@kernel.org>
Signed-off-by: Tamir Duberstein <tamird@gmail.com>
Signed-off-by: Miguel Ojeda <ojeda@kernel.org>
Reduce coupling to implementation details of the formatting machinery by
avoiding direct use for `core`'s formatting traits and macros.
Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Reviewed-by: Alice Ryhl <aliceryhl@google.com>
Reviewed-by: Benno Lossin <lossin@kernel.org>
Signed-off-by: Tamir Duberstein <tamird@gmail.com>
Signed-off-by: Miguel Ojeda <ojeda@kernel.org>
Reduce coupling to implementation details of the formatting machinery by
avoiding direct use for `core`'s formatting traits and macros.
Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Reviewed-by: Alice Ryhl <aliceryhl@google.com>
Reviewed-by: Benno Lossin <lossin@kernel.org>
Acked-by: Danilo Krummrich <dakr@kernel.org>
Signed-off-by: Tamir Duberstein <tamird@gmail.com>
Signed-off-by: Miguel Ojeda <ojeda@kernel.org>
Reduce coupling to implementation details of the formatting machinery by
avoiding direct use for `core`'s formatting traits and macros.
Suggested-by: Alice Ryhl <aliceryhl@google.com>
Link: https://rust-for-linux.zulipchat.com/#narrow/channel/288089-General/topic/Custom.20formatting/with/516476467
Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Reviewed-by: Alice Ryhl <aliceryhl@google.com>
Reviewed-by: Benno Lossin <lossin@kernel.org>
Signed-off-by: Tamir Duberstein <tamird@gmail.com>
Acked-by: Andreas Hindborg <a.hindborg@kernel.org>
Signed-off-by: Miguel Ojeda <ojeda@kernel.org>
Reduce coupling to implementation details of the formatting machinery by
avoiding direct use for `core`'s formatting traits and macros.
Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Reviewed-by: Alice Ryhl <aliceryhl@google.com>
Reviewed-by: Benno Lossin <lossin@kernel.org>
Acked-by: Danilo Krummrich <dakr@kernel.org>
Signed-off-by: Tamir Duberstein <tamird@gmail.com>
Signed-off-by: Miguel Ojeda <ojeda@kernel.org>
Reduce coupling to implementation details of the formatting machinery by
avoiding direct use for `core`'s formatting traits and macros.
Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Reviewed-by: Alice Ryhl <aliceryhl@google.com>
Reviewed-by: Benno Lossin <lossin@kernel.org>
Acked-by: Danilo Krummrich <dakr@kernel.org>
Signed-off-by: Tamir Duberstein <tamird@gmail.com>
Signed-off-by: Miguel Ojeda <ojeda@kernel.org>
The fields dma_chan_tx and dma_chan_rx of the struct pci_epf_test can be
NULL even after EPF initialization. Then it is prudent to check that
they have non-NULL values before releasing the channels. Add the checks
in pci_epf_test_clean_dma_chan().
Without the checks, NULL pointer dereferences happen and they can lead
to a kernel panic in some cases:
Unable to handle kernel NULL pointer dereference at virtual address 0000000000000050
Call trace:
dma_release_channel+0x2c/0x120 (P)
pci_epf_test_epc_deinit+0x94/0xc0 [pci_epf_test]
pci_epc_deinit_notify+0x74/0xc0
tegra_pcie_ep_pex_rst_irq+0x250/0x5d8
irq_thread_fn+0x34/0xb8
irq_thread+0x18c/0x2e8
kthread+0x14c/0x210
ret_from_fork+0x10/0x20
Fixes: 8353813c88 ("PCI: endpoint: Enable DMA tests for endpoints with DMA capabilities")
Fixes: 5ebf3fc59b ("PCI: endpoint: functions/pci-epf-test: Add DMA support to transfer data")
Signed-off-by: Shin'ichiro Kawasaki <shinichiro.kawasaki@wdc.com>
[mani: trimmed the stack trace]
Signed-off-by: Manivannan Sadhasivam <mani@kernel.org>
Reviewed-by: Damien Le Moal <dlemoal@kernel.org>
Reviewed-by: Krzysztof Wilczyński <kwilczynski@kernel.org>
Cc: stable@vger.kernel.org
Link: https://patch.msgid.link/20250916025756.34807-1-shinichiro.kawasaki@wdc.com
Upgrade the SBI version to v3.0 so that corresponding features
can be enabled in the guest.
Reviewed-by: Anup Patel <anup@brainfault.org>
Signed-off-by: Atish Patra <atishp@rivosinc.com>
Acked-by: Paul Walmsley <pjw@kernel.org>
Link: https://lore.kernel.org/r/20250909-pmu_event_info-v6-8-d8f80cacb884@rivosinc.com
Signed-off-by: Anup Patel <anup@brainfault.org>
The new get_event_info funciton allows the guest to query the presence
of multiple events with single SBI call. Currently, the perf driver
in linux guest invokes it for all the standard SBI PMU events. Support
the SBI function implementation in KVM as well.
Reviewed-by: Anup Patel <anup@brainfault.org>
Signed-off-by: Atish Patra <atishp@rivosinc.com>
Acked-by: Paul Walmsley <pjw@kernel.org>
Link: https://lore.kernel.org/r/20250909-pmu_event_info-v6-7-d8f80cacb884@rivosinc.com
Signed-off-by: Anup Patel <anup@brainfault.org>
There is not much value in checking if a memslot is writable explicitly
before a write as it may change underneath after the check. Rather, return
invalid address error when write_guest fails as it checks if the slot
is writable anyways.
Suggested-by: Sean Christopherson <seanjc@google.com>
Signed-off-by: Atish Patra <atishp@rivosinc.com>
Reviewed-by: Anup Patel <anup@brainfault.org>
Acked-by: Paul Walmsley <pjw@kernel.org>
Link: https://lore.kernel.org/r/20250909-pmu_event_info-v6-6-d8f80cacb884@rivosinc.com
Signed-off-by: Anup Patel <anup@brainfault.org>
The event mapping function can be used in event info function to find out
the corresponding SBI PMU event encoding during the get_event_info function
as well. Refactor and export it so that it can be invoked from kvm and
internal driver.
Signed-off-by: Atish Patra <atishp@rivosinc.com>
Reviewed-by: Anup Patel <anup@brainfault.org>
Acked-by: Paul Walmsley <pjw@kernel.org>
Link: https://lore.kernel.org/r/20250909-pmu_event_info-v6-5-d8f80cacb884@rivosinc.com
Signed-off-by: Anup Patel <anup@brainfault.org>
With the new SBI PMU event info function, we can query the availability
of the all standard SBI PMU events at boot time with a single ecall.
This improves the bootime by avoiding making an SBI call for each
standard PMU event. Since this function is defined only in SBI v3.0,
invoke this only if the underlying SBI implementation is v3.0 or higher.
Signed-off-by: Atish Patra <atishp@rivosinc.com>
Reviewed-by: Anup Patel <anup@brainfault.org>
Acked-by: Paul Walmsley <pjw@kernel.org>
Link: https://lore.kernel.org/r/20250909-pmu_event_info-v6-4-d8f80cacb884@rivosinc.com
Signed-off-by: Anup Patel <anup@brainfault.org>
SBI v3.0 introduced a new raw event type v2 for wider mhpmeventX
programming. Add the support in kvm for that.
Reviewed-by: Anup Patel <anup@brainfault.org>
Signed-off-by: Atish Patra <atishp@rivosinc.com>
Acked-by: Paul Walmsley <pjw@kernel.org>
Link: https://lore.kernel.org/r/20250909-pmu_event_info-v6-3-d8f80cacb884@rivosinc.com
Signed-off-by: Anup Patel <anup@brainfault.org>
SBI v3.0 introduced a new raw event type that allows wider
mhpmeventX width to be programmed via CFG_MATCH.
Use the raw event v2 if SBI v3.0 is available.
Reviewed-by: Anup Patel <anup@brainfault.org>
Signed-off-by: Atish Patra <atishp@rivosinc.com>
Acked-by: Paul Walmsley <pjw@kernel.org>
Link: https://lore.kernel.org/r/20250909-pmu_event_info-v6-2-d8f80cacb884@rivosinc.com
Signed-off-by: Anup Patel <anup@brainfault.org>
There are new PMU related features introduced in SBI v3.0.
1. Raw Event v2 which allows mhpmeventX value to be 56 bit wide.
2. Get Event info function to do a bulk query at one shot.
Reviewed-by: Anup Patel <anup@brainfault.org>
Signed-off-by: Atish Patra <atishp@rivosinc.com>
Acked-by: Paul Walmsley <pjw@kernel.org>
Link: https://lore.kernel.org/r/20250909-pmu_event_info-v6-1-d8f80cacb884@rivosinc.com
Signed-off-by: Anup Patel <anup@brainfault.org>
KVM RISC-V now supports SBI FWFT, so add it to the get-reg-list test.
Signed-off-by: Anup Patel <apatel@ventanamicro.com>
Reviewed-by: Andrew Jones <ajones@ventanamicro.com>
Link: https://lore.kernel.org/r/20250823155947.1354229-7-apatel@ventanamicro.com
Signed-off-by: Anup Patel <anup@brainfault.org>
The KVM user-space needs a way to save/restore the state of
SBI FWFT features so implement SBI extension ONE_REG callbacks.
Signed-off-by: Anup Patel <apatel@ventanamicro.com>
Reviewed-by: Andrew Jones <ajones@ventanamicro.com>
Link: https://lore.kernel.org/r/20250823155947.1354229-6-apatel@ventanamicro.com
Signed-off-by: Anup Patel <anup@brainfault.org>
The ONE_REG handling of SBI extension enable/disable registers and
SBI extension state registers is already under SBI implementation.
On similar lines, let's move copy_sbi_ext_reg_indices() under SBI
implementation.
Signed-off-by: Anup Patel <apatel@ventanamicro.com>
Reviewed-by: Andrew Jones <ajones@ventanamicro.com>
Link: https://lore.kernel.org/r/20250823155947.1354229-5-apatel@ventanamicro.com
Signed-off-by: Anup Patel <anup@brainfault.org>
SBI extensions can have per-VCPU state which needs to be saved/restored
through ONE_REG interface for Guest/VM migration. Introduce optional
ONE_REG callbacks for SBI extensions so that ONE_REG implementation
for an SBI extenion is part of the extension sources.
Signed-off-by: Anup Patel <apatel@ventanamicro.com>
Reviewed-by: Andrew Jones <ajones@ventanamicro.com>
Link: https://lore.kernel.org/r/20250823155947.1354229-4-apatel@ventanamicro.com
Signed-off-by: Anup Patel <anup@brainfault.org>
The SBI FWFT feature values must be reset upon VCPU reset so
introduce feature specific reset callback for this purpose.
Signed-off-by: Anup Patel <apatel@ventanamicro.com>
Reviewed-by: Andrew Jones <ajones@ventanamicro.com>
Reviewed-by: Nutty Liu <nutty.liu@hotmail.com>
Link: https://lore.kernel.org/r/20250823155947.1354229-3-apatel@ventanamicro.com
Signed-off-by: Anup Patel <anup@brainfault.org>
The hedeleg may be updated by ONE_REG interface before the VCPU
is run at least once hence set the initial value of hedeleg in
kvm_arch_vcpu_create() instead of kvm_riscv_vcpu_setup_config().
Signed-off-by: Anup Patel <apatel@ventanamicro.com>
Reviewed-by: Andrew Jones <ajones@ventanamicro.com>
Reviewed-by: Nutty Liu <nutty.liu@hotmail.com>
Link: https://lore.kernel.org/r/20250823155947.1354229-2-apatel@ventanamicro.com
Signed-off-by: Anup Patel <anup@brainfault.org>
Current kvm_riscv_gstage_mode_detect() assumes H-extension must
have HGATP_MODE_SV39X4/SV32X4 at least, but the spec allows
H-extension with HGATP_MODE_BARE alone. The KVM depends on
!HGATP_MODE_BARE at least, so enhance the gstage-mode-detect
to block HGATP_MODE_BARE.
Move gstage-mode-check closer to gstage-mode-detect to prevent
unnecessary init.
Reviewed-by: Troy Mitchell <troy.mitchell@linux.dev>
Reviewed-by: Nutty Liu <nutty.liu@hotmail.com>
Signed-off-by: Guo Ren (Alibaba DAMO Academy) <guoren@kernel.org>
Reviewed-by: Fangyu Yu <fangyu.yu@linux.alibaba.com>
Link: https://lore.kernel.org/r/20250821142542.2472079-4-guoren@kernel.org
Signed-off-by: Anup Patel <anup@brainfault.org>
