The iommu_copy_struct_from_user_array helper can be used to copy a single
entry from a user array which might not be efficient if the array is big.
Add a new iommu_copy_struct_from_full_user_array to copy the entire user
array at once. Update the existing iommu_copy_struct_from_user_array kdoc
accordingly.
Link: https://patch.msgid.link/r/5cd773d9c26920c5807d232b21d415ea79172e49.1730836308.git.nicolinc@nvidia.com
Reviewed-by: Kevin Tian <kevin.tian@intel.com>
Reviewed-by: Jason Gunthorpe <jgg@nvidia.com>
Signed-off-by: Nicolin Chen <nicolinc@nvidia.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
With a vIOMMU object, use space can flush any IOMMU related cache that can
be directed via a vIOMMU object. It is similar to the IOMMU_HWPT_INVALIDATE
uAPI, but can cover a wider range than IOTLB, e.g. device/desciprtor cache.
Allow hwpt_id of the iommu_hwpt_invalidate structure to carry a viommu_id,
and reuse the IOMMU_HWPT_INVALIDATE uAPI for vIOMMU invalidations. Drivers
can define different structures for vIOMMU invalidations v.s. HWPT ones.
Since both the HWPT-based and vIOMMU-based invalidation pathways check own
cache invalidation op, remove the WARN_ON_ONCE in the allocator.
Update the uAPI, kdoc, and selftest case accordingly.
Link: https://patch.msgid.link/r/b411e2245e303b8a964f39f49453a5dff280968f.1730836308.git.nicolinc@nvidia.com
Reviewed-by: Jason Gunthorpe <jgg@nvidia.com>
Reviewed-by: Kevin Tian <kevin.tian@intel.com>
Signed-off-by: Nicolin Chen <nicolinc@nvidia.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
This per-vIOMMU cache_invalidate op is like the cache_invalidate_user op
in struct iommu_domain_ops, but wider, supporting device cache (e.g. PCI
ATC invaldiations).
Link: https://patch.msgid.link/r/90138505850fa6b165135e78a87b4cc7022869a4.1730836308.git.nicolinc@nvidia.com
Reviewed-by: Jason Gunthorpe <jgg@nvidia.com>
Reviewed-by: Kevin Tian <kevin.tian@intel.com>
Signed-off-by: Nicolin Chen <nicolinc@nvidia.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
Add a vdevice_alloc op to the viommu mock_viommu_ops for the coverage of
IOMMU_VIOMMU_TYPE_SELFTEST allocations. Then, add a vdevice_alloc TEST_F
to cover the IOMMU_VDEVICE_ALLOC ioctl.
Link: https://patch.msgid.link/r/4b9607e5b86726c8baa7b89bd48123fb44104a23.1730836308.git.nicolinc@nvidia.com
Reviewed-by: Kevin Tian <kevin.tian@intel.com>
Reviewed-by: Jason Gunthorpe <jgg@nvidia.com>
Signed-off-by: Nicolin Chen <nicolinc@nvidia.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
Introduce a new IOMMUFD_OBJ_VDEVICE to represent a physical device (struct
device) against a vIOMMU (struct iommufd_viommu) object in a VM.
This vDEVICE object (and its structure) holds all the infos and attributes
in the VM, regarding the device related to the vIOMMU.
As an initial patch, add a per-vIOMMU virtual ID. This can be:
- Virtual StreamID on a nested ARM SMMUv3, an index to a Stream Table
- Virtual DeviceID on a nested AMD IOMMU, an index to a Device Table
- Virtual RID on a nested Intel VT-D IOMMU, an index to a Context Table
Potentially, this vDEVICE structure would hold some vData for Confidential
Compute Architecture (CCA). Use this virtual ID to index an "vdevs" xarray
that belongs to a vIOMMU object.
Add a new ioctl for vDEVICE allocations. Since a vDEVICE is a connection
of a device object and an iommufd_viommu object, take two refcounts in the
ioctl handler.
Link: https://patch.msgid.link/r/cda8fd2263166e61b8191a3b3207e0d2b08545bf.1730836308.git.nicolinc@nvidia.com
Signed-off-by: Nicolin Chen <nicolinc@nvidia.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
With the introduction of the new object and its infrastructure, update the
doc to reflect that and add a new graph.
Link: https://patch.msgid.link/r/7e4302064e0d02137c1b1e139342affc0485ed3f.1730836219.git.nicolinc@nvidia.com
Reviewed-by: Jason Gunthorpe <jgg@nvidia.com>
Reviewed-by: Kevin Tian <kevin.tian@intel.com>
Signed-off-by: Nicolin Chen <nicolinc@nvidia.com>
Reviewed-by: Bagas Sanjaya <bagasdotme@gmail.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
Implement the viommu alloc/free functions to increase/reduce refcount of
its dependent mock iommu device. User space can verify this loop via the
IOMMU_VIOMMU_TYPE_SELFTEST.
Link: https://patch.msgid.link/r/9d755a215a3007d4d8d1c2513846830332db62aa.1730836219.git.nicolinc@nvidia.com
Reviewed-by: Kevin Tian <kevin.tian@intel.com>
Reviewed-by: Jason Gunthorpe <jgg@nvidia.com>
Signed-off-by: Nicolin Chen <nicolinc@nvidia.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
For an iommu_dev that can unplug (so far only this selftest does so), the
viommu->iommu_dev pointer has no guarantee of its life cycle after it is
copied from the idev->dev->iommu->iommu_dev.
Track the user count of the iommu_dev. Postpone the exit routine using a
completion, if refcount is unbalanced. The refcount inc/dec will be added
in the following patch.
Link: https://patch.msgid.link/r/33f28d64841b497eebef11b49a571e03103c5d24.1730836219.git.nicolinc@nvidia.com
Suggested-by: Jason Gunthorpe <jgg@nvidia.com>
Reviewed-by: Kevin Tian <kevin.tian@intel.com>
Reviewed-by: Jason Gunthorpe <jgg@nvidia.com>
Signed-off-by: Nicolin Chen <nicolinc@nvidia.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
A nested domain now can be allocated for a parent domain or for a vIOMMU
object. Rework the existing allocators to prepare for the latter case.
Link: https://patch.msgid.link/r/f62894ad8ccae28a8a616845947fe4b76135d79b.1730836219.git.nicolinc@nvidia.com
Reviewed-by: Kevin Tian <kevin.tian@intel.com>
Reviewed-by: Jason Gunthorpe <jgg@nvidia.com>
Signed-off-by: Nicolin Chen <nicolinc@nvidia.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
Use these inline helpers to shorten those container_of lines.
Note that one of them goes back and forth between iommu_domain and
mock_iommu_domain, which isn't necessary. So drop its container_of.
Link: https://patch.msgid.link/r/518ec64dae2e814eb29fd9f170f58a3aad56c81c.1730836219.git.nicolinc@nvidia.com
Reviewed-by: Kevin Tian <kevin.tian@intel.com>
Reviewed-by: Jason Gunthorpe <jgg@nvidia.com>
Signed-off-by: Nicolin Chen <nicolinc@nvidia.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
Now a vIOMMU holds a shareable nesting parent HWPT. So, it can act like
that nesting parent HWPT to allocate a nested HWPT.
Support that in the IOMMU_HWPT_ALLOC ioctl handler, and update its kdoc.
Also, add an iommufd_viommu_alloc_hwpt_nested helper to allocate a nested
HWPT for a vIOMMU object. Since a vIOMMU object holds the parent hwpt's
refcount already, increase the refcount of the vIOMMU only.
Link: https://patch.msgid.link/r/a0f24f32bfada8b448d17587adcaedeeb50a67ed.1730836219.git.nicolinc@nvidia.com
Reviewed-by: Kevin Tian <kevin.tian@intel.com>
Signed-off-by: Nicolin Chen <nicolinc@nvidia.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
Allow IOMMU driver to use a vIOMMU object that holds a nesting parent
hwpt/domain to allocate a nested domain.
Link: https://patch.msgid.link/r/2dcdb5e405dc0deb68230564530d989d285d959c.1730836219.git.nicolinc@nvidia.com
Suggested-by: Jason Gunthorpe <jgg@nvidia.com>
Reviewed-by: Kevin Tian <kevin.tian@intel.com>
Reviewed-by: Jason Gunthorpe <jgg@nvidia.com>
Signed-off-by: Nicolin Chen <nicolinc@nvidia.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
Add a new ioctl for user space to do a vIOMMU allocation. It must be based
on a nesting parent HWPT, so take its refcount.
IOMMU driver wanting to support vIOMMUs must define its IOMMU_VIOMMU_TYPE_
in the uAPI header and implement a viommu_alloc op in its iommu_ops.
Link: https://patch.msgid.link/r/dc2b8ba9ac935007beff07c1761c31cd097ed780.1730836219.git.nicolinc@nvidia.com
Reviewed-by: Jason Gunthorpe <jgg@nvidia.com>
Reviewed-by: Kevin Tian <kevin.tian@intel.com>
Signed-off-by: Nicolin Chen <nicolinc@nvidia.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
To support driver-allocated vIOMMU objects, it's required for IOMMU driver
to call the provided iommufd_viommu_alloc helper to embed the core struct.
However, there is no guarantee that every driver will call it and allocate
objects properly.
Make the iommufd_object_finalize/abort functions more robust to verify if
the xarray slot indexed by the input obj->id is having an XA_ZERO_ENTRY,
which is the reserved value stored by xa_alloc via iommufd_object_alloc.
Link: https://patch.msgid.link/r/334bd4dde8e0a88eb30fa67eeef61827cdb546f9.1730836219.git.nicolinc@nvidia.com
Suggested-by: Jason Gunthorpe <jgg@nvidia.com>
Reviewed-by: Jason Gunthorpe <jgg@nvidia.com>
Signed-off-by: Nicolin Chen <nicolinc@nvidia.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
Add a new IOMMUFD_OBJ_VIOMMU with an iommufd_viommu structure to represent
a slice of physical IOMMU device passed to or shared with a user space VM.
This slice, now a vIOMMU object, is a group of virtualization resources of
a physical IOMMU's, such as:
- Security namespace for guest owned ID, e.g. guest-controlled cache tags
- Non-device-affiliated event reporting, e.g. invalidation queue errors
- Access to a sharable nesting parent pagetable across physical IOMMUs
- Virtualization of various platforms IDs, e.g. RIDs and others
- Delivery of paravirtualized invalidation
- Direct assigned invalidation queues
- Direct assigned interrupts
Add a new viommu_alloc op in iommu_ops, for drivers to allocate their own
vIOMMU structures. And this allocation also needs a free(), so add struct
iommufd_viommu_ops.
To simplify a vIOMMU allocation, provide a iommufd_viommu_alloc() helper.
It's suggested that a driver should embed a core-level viommu structure in
its driver-level viommu struct and call the iommufd_viommu_alloc() helper,
meanwhile the driver can also implement a viommu ops:
struct my_driver_viommu {
struct iommufd_viommu core;
/* driver-owned properties/features */
....
};
static const struct iommufd_viommu_ops my_driver_viommu_ops = {
.free = my_driver_viommu_free,
/* future ops for virtualization features */
....
};
static struct iommufd_viommu my_driver_viommu_alloc(...)
{
struct my_driver_viommu *my_viommu =
iommufd_viommu_alloc(ictx, my_driver_viommu, core,
my_driver_viommu_ops);
/* Init my_viommu and related HW feature */
....
return &my_viommu->core;
}
static struct iommu_domain_ops my_driver_domain_ops = {
....
.viommu_alloc = my_driver_viommu_alloc,
};
Link: https://patch.msgid.link/r/64685e2b79dea0f1dc56f6ede04809b72d578935.1730836219.git.nicolinc@nvidia.com
Suggested-by: Jason Gunthorpe <jgg@nvidia.com>
Reviewed-by: Kevin Tian <kevin.tian@intel.com>
Reviewed-by: Jason Gunthorpe <jgg@nvidia.com>
Signed-off-by: Nicolin Chen <nicolinc@nvidia.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
The following patch will add a new vIOMMU allocator that will require this
_iommufd_object_alloc to be sharable with IOMMU drivers (and iommufd too).
Add a new driver.c file that will be built with CONFIG_IOMMUFD_DRIVER_CORE
selected by CONFIG_IOMMUFD, and put the CONFIG_DRIVER under that remaining
to be selectable for drivers to build the existing iova_bitmap.c file.
Link: https://patch.msgid.link/r/2f4f6e116dc49ffb67ff6c5e8a7a8e789ab9e98e.1730836219.git.nicolinc@nvidia.com
Suggested-by: Jason Gunthorpe <jgg@nvidia.com>
Reviewed-by: Jason Gunthorpe <jgg@nvidia.com>
Signed-off-by: Nicolin Chen <nicolinc@nvidia.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
Prepare for an embedded structure design for driver-level iommufd_viommu
objects:
// include/linux/iommufd.h
struct iommufd_viommu {
struct iommufd_object obj;
....
};
// Some IOMMU driver
struct iommu_driver_viommu {
struct iommufd_viommu core;
....
};
It has to expose struct iommufd_object and enum iommufd_object_type from
the core-level private header to the public iommufd header.
Link: https://patch.msgid.link/r/54a43b0768089d690104530754f499ca05ce0074.1730836219.git.nicolinc@nvidia.com
Reviewed-by: Jason Gunthorpe <jgg@nvidia.com>
Reviewed-by: Kevin Tian <kevin.tian@intel.com>
Signed-off-by: Nicolin Chen <nicolinc@nvidia.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
iommufd_fault_iopf_enable has limitation to PRI on PCI/SRIOV VFs because
the PRI might be a shared resource and current iommu subsystem is not
ready to support enabling/disabling PRI on a VF without any impact on
others.
However, we have devices that appear as PCI but are actually on the AMBA
bus. These fake PCI devices have PASID capability, support stall as well
as SRIOV, so remove the limitation for these devices.
Link: https://patch.msgid.link/r/20241107043711.116-1-zhangfei.gao@linaro.org
Co-developed-by: Lu Baolu <baolu.lu@linux.intel.com>
Signed-off-by: Lu Baolu <baolu.lu@linux.intel.com>
Reviewed-by: Lu Baolu <baolu.lu@linux.intel.com>
Signed-off-by: Zhangfei Gao <zhangfei.gao@linaro.org>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
Support file mappings for mediated devices, aka mdevs. Access is
initiated by the vfio_pin_pages() and vfio_dma_rw() kernel interfaces.
Link: https://patch.msgid.link/r/1729861919-234514-9-git-send-email-steven.sistare@oracle.com
Signed-off-by: Steve Sistare <steven.sistare@oracle.com>
Reviewed-by: Jason Gunthorpe <jgg@nvidia.com>
Reviewed-by: Kevin Tian <kevin.tian@intel.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
Define the IOMMU_IOAS_MAP_FILE ioctl interface, which allows a user to
register memory by passing a memfd plus offset and length. Implement it
using the memfd_pin_folios() kAPI.
Link: https://patch.msgid.link/r/1729861919-234514-8-git-send-email-steven.sistare@oracle.com
Suggested-by: Jason Gunthorpe <jgg@nvidia.com>
Signed-off-by: Steve Sistare <steven.sistare@oracle.com>
Reviewed-by: Jason Gunthorpe <jgg@nvidia.com>
Reviewed-by: Kevin Tian <kevin.tian@intel.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
Extend pfn_reader_user() to pin file mappings, by calling
memfd_pin_folios(). Repin at small page granularity, and fill the batch
from folios. Expand folios to upages for the iopt_pages_fill() path.
Link: https://patch.msgid.link/r/1729861919-234514-7-git-send-email-steven.sistare@oracle.com
Signed-off-by: Steve Sistare <steven.sistare@oracle.com>
Reviewed-by: Jason Gunthorpe <jgg@nvidia.com>
Reviewed-by: Kevin Tian <kevin.tian@intel.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
Add local variables for common sub-expressions needed by a subsequent
patch. No functional change.
Link: https://patch.msgid.link/r/1729861919-234514-5-git-send-email-steven.sistare@oracle.com
Signed-off-by: Steve Sistare <steven.sistare@oracle.com>
Reviewed-by: Jason Gunthorpe <jgg@nvidia.com>
Reviewed-by: Kevin Tian <kevin.tian@intel.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
The starting address in iopt_pages is currently a __user *uptr.
Generalize to allow other types of addresses. Refactor iopt_alloc_pages()
and iopt_map_user_pages() into address-type specific and common functions.
Link: https://patch.msgid.link/r/1729861919-234514-4-git-send-email-steven.sistare@oracle.com
Suggested-by: Nicolin Chen <nicolinc@nvidia.com>
Signed-off-by: Steve Sistare <steven.sistare@oracle.com>
Reviewed-by: Jason Gunthorpe <jgg@nvidia.com>
Reviewed-by: Nicolin Chen <nicolinc@nvidia.com>
Reviewed-by: Kevin Tian <kevin.tian@intel.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
iopt_alloc_iova() takes a uptr argument but only checks for its alignment.
Generalize this to an unsigned address, which can be the offset from the
start of a file in a subsequent patch. No functional change.
Link: https://patch.msgid.link/r/1729861919-234514-3-git-send-email-steven.sistare@oracle.com
Signed-off-by: Steve Sistare <steven.sistare@oracle.com>
Reviewed-by: Jason Gunthorpe <jgg@nvidia.com>
Reviewed-by: Nicolin Chen <nicolinc@nvidia.com>
Reviewed-by: Kevin Tian <kevin.tian@intel.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
Export a function that adds pins to an already-pinned huge-page folio.
This allows any range of small pages within the folio to be unpinned later.
For example, pages pinned via memfd_pin_folios and modified by
folio_add_pins could be unpinned via unpin_user_page(s).
Link: https://patch.msgid.link/r/1729861919-234514-2-git-send-email-steven.sistare@oracle.com
Suggested-by: Jason Gunthorpe <jgg@nvidia.com>
Suggested-by: David Hildenbrand <david@redhat.com>
Signed-off-by: Steve Sistare <steven.sistare@oracle.com>
Reviewed-by: Jason Gunthorpe <jgg@nvidia.com>
Acked-by: David Hildenbrand <david@redhat.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
The previous IOMMUFD_OBJ_HW_PAGETABLE has been reworked to two separated
objects: IOMMUFD_OBJ_HWPT_PAGING and IOMMUFD_OBJ_HWPT_NESTED in order to
support a nested translation context.
Corresponding to the latest iommufd APIs and uAPIs, update the doc so as
to reflect the new design.
Link: https://patch.msgid.link/r/20240913052519.2153-1-nicolinc@nvidia.com
Reviewed-by: Kevin Tian <kevin.tian@intel.com>
Signed-off-by: Nicolin Chen <nicolinc@nvidia.com>
Reviewed-by: Bagas Sanjaya <bagasdotme@gmail.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
The cpu_emergency_register_virt_callback() function is used
unconditionally by the x86 kvm code, but it is declared (and defined)
conditionally:
#if IS_ENABLED(CONFIG_KVM_INTEL) || IS_ENABLED(CONFIG_KVM_AMD)
void cpu_emergency_register_virt_callback(cpu_emergency_virt_cb *callback);
...
leading to a build error when neither KVM_INTEL nor KVM_AMD support is
enabled:
arch/x86/kvm/x86.c: In function ‘kvm_arch_enable_virtualization’:
arch/x86/kvm/x86.c:12517:9: error: implicit declaration of function ‘cpu_emergency_register_virt_callback’ [-Wimplicit-function-declaration]
12517 | cpu_emergency_register_virt_callback(kvm_x86_ops.emergency_disable_virtualization_cpu);
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
arch/x86/kvm/x86.c: In function ‘kvm_arch_disable_virtualization’:
arch/x86/kvm/x86.c:12522:9: error: implicit declaration of function ‘cpu_emergency_unregister_virt_callback’ [-Wimplicit-function-declaration]
12522 | cpu_emergency_unregister_virt_callback(kvm_x86_ops.emergency_disable_virtualization_cpu);
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Fix the build by defining empty helper functions the same way the old
cpu_emergency_disable_virtualization() function was dealt with for the
same situation.
Maybe we could instead have made the call sites conditional, since the
callers (kvm_arch_{en,dis}able_virtualization()) have an empty weak
fallback. I'll leave that to the kvm people to argue about, this at
least gets the build going for that particular config.
Fixes: 590b09b1d8 ("KVM: x86: Register "emergency disable" callbacks when virt is enabled")
Cc: Paolo Bonzini <pbonzini@redhat.com>
Cc: Sean Christopherson <seanjc@google.com>
Cc: Kai Huang <kai.huang@intel.com>
Cc: Chao Gao <chao.gao@intel.com>
Cc: Farrah Chen <farrah.chen@intel.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
imx: use devie name instead of genereic imx_mu_chan as interrupt name
qcom: enable sa8255p and qcs8300 ipc controllers
bcm2835: Fix timeout during suspend mode
mailbox: convert to use use of_property_match_string
mediatek: enable mt8188
spreadtrum: use devm_clk_get_enabled helpers
rockchip: fix device-id typo
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Merge tag 'mailbox-v6.12' of git://git.kernel.org/pub/scm/linux/kernel/git/jassibrar/mailbox
Pull mailbox updates from Jassi Brar:
- fix kconfig dependencies (mhu-v3, omap2+)
- use devie name instead of genereic imx_mu_chan as interrupt name
(imx)
- enable sa8255p and qcs8300 ipc controllers (qcom)
- Fix timeout during suspend mode (bcm2835)
- convert to use use of_property_match_string (mailbox)
- enable mt8188 (mediatek)
- use devm_clk_get_enabled helpers (spreadtrum)
- fix device-id typo (rockchip)
* tag 'mailbox-v6.12' of git://git.kernel.org/pub/scm/linux/kernel/git/jassibrar/mailbox:
mailbox, remoteproc: omap2+: fix compile testing
dt-bindings: mailbox: qcom-ipcc: Document QCS8300 IPCC
dt-bindings: mailbox: qcom-ipcc: document the support for SA8255p
dt-bindings: mailbox: mtk,adsp-mbox: Add compatible for MT8188
mailbox: Use of_property_match_string() instead of open-coding
mailbox: bcm2835: Fix timeout during suspend mode
mailbox: sprd: Use devm_clk_get_enabled() helpers
mailbox: rockchip: fix a typo in module autoloading
mailbox: imx: use device name in interrupt name
mailbox: ARM_MHU_V3 should depend on ARM64
I2C host fixes for v6.12-rc1 (from Andi)
The DesignWare driver now has the correct ENABLE-ABORT sequence,
ensuring ABORT can always be sent when needed.
In the SynQuacer controller we now check for PCLK as an optional
clock, allowing ACPI to directly provide the clock rate.
The recent KEBA driver required a dependency fix in Kconfig.
The XIIC driver now has a corrected power suspend sequence.
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Merge tag 'i2c-for-6.12-rc1-additional_fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux
Pull i2c fixes from Wolfram Sang:
- fix DesignWare driver ENABLE-ABORT sequence, ensuring ABORT can
always be sent when needed
- check for PCLK in the SynQuacer controller as an optional clock,
allowing ACPI to directly provide the clock rate
- KEBA driver Kconfig dependency fix
- fix XIIC driver power suspend sequence
* tag 'i2c-for-6.12-rc1-additional_fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux:
i2c: xiic: Fix pm_runtime_set_suspended() with runtime pm enabled
i2c: keba: I2C_KEBA should depend on KEBA_CP500
i2c: synquacer: Deal with optional PCLK correctly
i2c: designware: fix controller is holding SCL low while ENABLE bit is disabled
- handle chained SGLs in the new tracing code (Christoph Hellwig)
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Merge tag 'dma-mapping-6.12-2024-09-29' of git://git.infradead.org/users/hch/dma-mapping
Pull dma-mapping fix from Christoph Hellwig:
- handle chained SGLs in the new tracing code (Christoph Hellwig)
* tag 'dma-mapping-6.12-2024-09-29' of git://git.infradead.org/users/hch/dma-mapping:
dma-mapping: fix DMA API tracing for chained scatterlists
These are mostly minor updates. There are two drivers (lpfc and
mpi3mr) which missed the initial pull and a core change to retry a
start/stop unit which affect suspend/resume.
Signed-off-by: James E.J. Bottomley <James.Bottomley@HansenPartnership.com>
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Merge tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi
Pull more SCSI updates from James Bottomley:
"These are mostly minor updates.
There are two drivers (lpfc and mpi3mr) which missed the initial
pull and a core change to retry a start/stop unit which affect
suspend/resume"
* tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi: (32 commits)
scsi: lpfc: Update lpfc version to 14.4.0.5
scsi: lpfc: Support loopback tests with VMID enabled
scsi: lpfc: Revise TRACE_EVENT log flag severities from KERN_ERR to KERN_WARNING
scsi: lpfc: Ensure DA_ID handling completion before deleting an NPIV instance
scsi: lpfc: Fix kref imbalance on fabric ndlps from dev_loss_tmo handler
scsi: lpfc: Restrict support for 32 byte CDBs to specific HBAs
scsi: lpfc: Update phba link state conditional before sending CMF_SYNC_WQE
scsi: lpfc: Add ELS_RSP cmd to the list of WQEs to flush in lpfc_els_flush_cmd()
scsi: mpi3mr: Update driver version to 8.12.0.0.50
scsi: mpi3mr: Improve wait logic while controller transitions to READY state
scsi: mpi3mr: Update MPI Headers to revision 34
scsi: mpi3mr: Use firmware-provided timestamp update interval
scsi: mpi3mr: Enhance the Enable Controller retry logic
scsi: sd: Fix off-by-one error in sd_read_block_characteristics()
scsi: pm8001: Do not overwrite PCI queue mapping
scsi: scsi_debug: Remove a useless memset()
scsi: pmcraid: Convert comma to semicolon
scsi: sd: Retry START STOP UNIT commands
scsi: mpi3mr: A performance fix
scsi: ufs: qcom: Update MODE_MAX cfg_bw value
...
Assorted minor syzbot fixes, and for bigger stuff:
- Fix two disk accounting rewrite bugs
- Disk accounting keys use the version field of bkey so that journal
replay can tell which updates have been applied to the btree. This is
set in the transaction commit path, after we've gotten our journal
reservation (and our time ordering), but the
BCH_TRANS_COMMIT_skip_accounting_apply flag that journal replay uses
was incorrectly skipping this for new updates generated prior to
journal replay.
This fixes the underlying cause of an assertion pop in
disk_accounting_read.
- A couple fixes for disk accounting + device removal. Checking if
acocunting replicas entries were marked in the superblock was being
done at the wrong point, when deltas in the journal could still zero
them out, and then additionally we'd try to add a missing replicas
entry to the superblock without checking if it referred to an invalid
(removed) device.
- A whole slew of repair fixes
- fix infinite loop in propagate_key_to_snapshot_leaves(), this fixes
an infinite loop when repairing a filesystem with many snapshots
- fix incorrect transaction restart handling leading to occasional
"fsck counted ..." warnings"
- fix warning in __bch2_fsck_err() for bkey fsck errors
- check_inode() in fsck now correctly checks if the filesystem was
clean
- there shouldn't be pending logged ops if the fs was clean, we now
check for this
- remove_backpointer() doesn't remove a dirent that doesn't actually
point to the inode
- many more fsck errors are AUTOFIX
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Merge tag 'bcachefs-2024-09-28' of git://evilpiepirate.org/bcachefs
Pull more bcachefs updates from Kent Overstreet:
"Assorted minor syzbot fixes, and for bigger stuff:
Fix two disk accounting rewrite bugs:
- Disk accounting keys use the version field of bkey so that journal
replay can tell which updates have been applied to the btree.
This is set in the transaction commit path, after we've gotten our
journal reservation (and our time ordering), but the
BCH_TRANS_COMMIT_skip_accounting_apply flag that journal replay
uses was incorrectly skipping this for new updates generated prior
to journal replay.
This fixes the underlying cause of an assertion pop in
disk_accounting_read.
- A couple of fixes for disk accounting + device removal.
Checking if acocunting replicas entries were marked in the
superblock was being done at the wrong point, when deltas in the
journal could still zero them out, and then additionally we'd try
to add a missing replicas entry to the superblock without checking
if it referred to an invalid (removed) device.
A whole slew of repair fixes:
- fix infinite loop in propagate_key_to_snapshot_leaves(), this fixes
an infinite loop when repairing a filesystem with many snapshots
- fix incorrect transaction restart handling leading to occasional
"fsck counted ..." warnings
- fix warning in __bch2_fsck_err() for bkey fsck errors
- check_inode() in fsck now correctly checks if the filesystem was
clean
- there shouldn't be pending logged ops if the fs was clean, we now
check for this
- remove_backpointer() doesn't remove a dirent that doesn't actually
point to the inode
- many more fsck errors are AUTOFIX"
* tag 'bcachefs-2024-09-28' of git://evilpiepirate.org/bcachefs: (35 commits)
bcachefs: check_subvol_path() now prints subvol root inode
bcachefs: remove_backpointer() now checks if dirent points to inode
bcachefs: dirent_points_to_inode() now warns on mismatch
bcachefs: Fix lost wake up
bcachefs: Check for logged ops when clean
bcachefs: BCH_FS_clean_recovery
bcachefs: Convert disk accounting BUG_ON() to WARN_ON()
bcachefs: Fix BCH_TRANS_COMMIT_skip_accounting_apply
bcachefs: Check for accounting keys with bversion=0
bcachefs: rename version -> bversion
bcachefs: Don't delete unlinked inodes before logged op resume
bcachefs: Fix BCH_SB_ERRS() so we can reorder
bcachefs: Fix fsck warnings from bkey validation
bcachefs: Move transaction commit path validation to as late as possible
bcachefs: Fix disk accounting attempting to mark invalid replicas entry
bcachefs: Fix unlocked access to c->disk_sb.sb in bch2_replicas_entry_validate()
bcachefs: Fix accounting read + device removal
bcachefs: bch_accounting_mode
bcachefs: fix transaction restart handling in check_extents(), check_dirents()
bcachefs: kill inode_walker_entry.seen_this_pos
...
for "Pantherlake" and "Diamond Rapids".
Signed-off-by: Ingo Molnar <mingo@kernel.org>
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Merge tag 'x86-urgent-2024-09-29' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 fixes from Ingo Molnar:
"Fix TDX MMIO #VE fault handling, and add two new Intel model numbers
for 'Pantherlake' and 'Diamond Rapids'"
* tag 'x86-urgent-2024-09-29' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/cpu: Add two Intel CPU model numbers
x86/tdx: Fix "in-kernel MMIO" check
10 patches from Hongbo Li <lihongbo22@huawei.com> extending
string_choices.cocci with the complete set of functions
offered by include/linux/string_choices.h.
1 patch from myself reducing the number of redundant cases
that are checked by Coccinelle, giving a small performance
improvement.
Signed-off-by: Julia Lawall <Julia.Lawall@inria.fr>
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Merge tag 'cocci-for-6.12' of git://git.kernel.org/pub/scm/linux/kernel/git/jlawall/linux
Pull coccinelle updates from Julia Lawall:
"Extend string_choices.cocci to use more available helpers
Ten patches from Hongbo Li extending string_choices.cocci with the
complete set of functions offered by include/linux/string_choices.h.
One patch from myself reducing the number of redundant cases that are
checked by Coccinelle, giving a small performance improvement"
* tag 'cocci-for-6.12' of git://git.kernel.org/pub/scm/linux/kernel/git/jlawall/linux:
Reduce Coccinelle choices in string_choices.cocci
coccinelle: Remove unnecessary parentheses for only one possible change.
coccinelle: Add rules to find str_yes_no() replacements
coccinelle: Add rules to find str_on_off() replacements
coccinelle: Add rules to find str_write_read() replacements
coccinelle: Add rules to find str_read_write() replacements
coccinelle: Add rules to find str_enable{d}_disable{d}() replacements
coccinelle: Add rules to find str_lo{w}_hi{gh}() replacements
coccinelle: Add rules to find str_hi{gh}_lo{w}() replacements
coccinelle: Add rules to find str_false_true() replacements
coccinelle: Add rules to find str_true_false() replacements
This kselftest fixes update for Linux 6.12-rc1 consists of an urgent
fix to vDSO as automated testing is failing due to this bug.
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Merge tag 'linux_kselftest-next-6.12-rc1-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest
Pull kselftest fix from Shuah Khan:
"One urgent fix to vDSO as automated testing is failing due to this
bug"
* tag 'linux_kselftest-next-6.12-rc1-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest:
selftests: vDSO: align stack for O2-optimized memcpy
The isomorphism neg_if_exp negates the test of a ?: conditional,
making it unnecessary to have an explicit case for a negated test
with the branches inverted.
At the same time, we can disable neg_if_exp in cases where a
different API function may be more suitable for a negated test.
Finally, in the non-patch cases, E matches an expression with
parentheses around it, so there is no need to mention ()
explicitly in the pattern. The () are still needed in the patch
cases, because we want to drop them, if they are present.
Signed-off-by: Julia Lawall <Julia.Lawall@inria.fr>
The parentheses are only needed if there is a disjunction, ie a
set of possible changes. If there is only one pattern, we can
remove these parentheses. Just like the format:
- x
+ y
not:
(
- x
+ y
)
Signed-off-by: Hongbo Li <lihongbo22@huawei.com>
Signed-off-by: Julia Lawall <Julia.Lawall@inria.fr>
As other rules done, we add rules for str_yes_no()
to check the relative opportunities.
Signed-off-by: Hongbo Li <lihongbo22@huawei.com>
Signed-off-by: Julia Lawall <Julia.Lawall@inria.fr>
As other rules done, we add rules for str_on_off()
to check the relative opportunities.
Signed-off-by: Hongbo Li <lihongbo22@huawei.com>
Signed-off-by: Julia Lawall <Julia.Lawall@inria.fr>
As other rules done, we add rules for str_write_read()
to check the relative opportunities.
Signed-off-by: Hongbo Li <lihongbo22@huawei.com>
Signed-off-by: Julia Lawall <Julia.Lawall@inria.fr>
As other rules done, we add rules for str_read_write()
to check the relative opportunities.
Signed-off-by: Hongbo Li <lihongbo22@huawei.com>
Signed-off-by: Julia Lawall <Julia.Lawall@inria.fr>
As other rules done, we add rules for str_enable{d}_
disable{d}() to check the relative opportunities.
Signed-off-by: Hongbo Li <lihongbo22@huawei.com>
Signed-off-by: Julia Lawall <Julia.Lawall@inria.fr>
As other rules done, we add rules for str_lo{w}_hi{gh}()
to check the relative opportunities.
Signed-off-by: Hongbo Li <lihongbo22@huawei.com>
Signed-off-by: Julia Lawall <Julia.Lawall@inria.fr>
As other rules done, we add rules for str_hi{gh}_lo{w}()
to check the relative opportunities.
Signed-off-by: Hongbo Li <lihongbo22@huawei.com>
Signed-off-by: Julia Lawall <Julia.Lawall@inria.fr>
