Embedding net_device into structures prohibits the usage of flexible
arrays in the net_device structure. For more details, see the discussion
at [1].
Un-embed the net_devices from struct dpaa2_caam_priv_per_cpu by
converting them into pointers, and allocating them dynamically. Use the
leverage alloc_netdev_dummy() to allocate the net_device object at
dpaa2_dpseci_setup().
The free of the device occurs at dpaa2_dpseci_disable().
Link: https://lore.kernel.org/all/20240229225910.79e224cf@kernel.org/ [1]
Signed-off-by: Breno Leitao <leitao@debian.org>
Link: https://patch.msgid.link/20240702185557.3699991-5-leitao@debian.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Embedding net_device into structures prohibits the usage of flexible
arrays in the net_device structure. For more details, see the discussion
at [1].
Un-embed the net_devices from struct caam_qi_pcpu_priv by converting them
into pointers, and allocating them dynamically. Use the leverage
alloc_netdev_dummy() to allocate the net_device object at
caam_qi_init().
The free of the device occurs at caam_qi_shutdown().
Link: https://lore.kernel.org/all/20240229225910.79e224cf@kernel.org/ [1]
Signed-off-by: Breno Leitao <leitao@debian.org>
Link: https://patch.msgid.link/20240702185557.3699991-4-leitao@debian.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
As most of the drivers that depend on ARCH_LAYERSCAPE, make
CRYPTO_DEV_FSL_CAAM depend on COMPILE_TEST for compilation and testing.
# grep -r depends.\*ARCH_LAYERSCAPE.\*COMPILE_TEST | wc -l
29
Signed-off-by: Breno Leitao <leitao@debian.org>
Link: https://patch.msgid.link/20240702185557.3699991-3-leitao@debian.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
If caam module is built without OF support, the compiler returns the
following warning:
drivers/crypto/caam/ctrl.c:83:34: warning: 'imx8m_machine_match' defined but not used [-Wunused-const-variable=]
imx8m_machine_match is only referenced by of_match_node(), which is set
to NULL if CONFIG_OF is not set, as of commit 5762c20593b6b ("dt: Add
empty of_match_node() macro"):
#define of_match_node(_matches, _node) NULL
Do not create imx8m_machine_match if CONFIG_OF is not set.
Reported-by: kernel test robot <lkp@intel.com>
Closes: https://lore.kernel.org/oe-kbuild-all/202407011309.cpTuOGdg-lkp@intel.com/
Suggested-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: Breno Leitao <leitao@debian.org>
Link: https://patch.msgid.link/20240702185557.3699991-2-leitao@debian.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Now that the driver core allows for struct class to be in read-only
memory, we should make all 'class' structures declared at build time
placing them into read-only memory, instead of having to be dynamically
allocated at runtime.
Cc: Giovanni Cabiddu <giovanni.cabiddu@intel.com>
Cc: Herbert Xu <herbert@gondor.apana.org.au>
Cc: "David S. Miller" <davem@davemloft.net>
Cc: Adam Guerin <adam.guerin@intel.com>
Cc: Benjamin Tissoires <benjamin.tissoires@redhat.com>
Cc: Tom Zanussi <tom.zanussi@linux.intel.com>
Cc: Shashank Gupta <shashank.gupta@intel.com>
Cc: qat-linux@intel.com
Cc: linux-crypto@vger.kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Reviewed-by: Giovanni Cabiddu <giovanni.cabiddu@intel.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
When CONFIG_PCI_IOV=n, the build of the QAT vfio pci variant driver
fails reporting the following linking errors:
ERROR: modpost: "qat_vfmig_open" [drivers/vfio/pci/qat/qat_vfio_pci.ko] undefined!
ERROR: modpost: "qat_vfmig_resume" [drivers/vfio/pci/qat/qat_vfio_pci.ko] undefined!
ERROR: modpost: "qat_vfmig_save_state" [drivers/vfio/pci/qat/qat_vfio_pci.ko] undefined!
ERROR: modpost: "qat_vfmig_suspend" [drivers/vfio/pci/qat/qat_vfio_pci.ko] undefined!
ERROR: modpost: "qat_vfmig_load_state" [drivers/vfio/pci/qat/qat_vfio_pci.ko] undefined!
ERROR: modpost: "qat_vfmig_reset" [drivers/vfio/pci/qat/qat_vfio_pci.ko] undefined!
ERROR: modpost: "qat_vfmig_save_setup" [drivers/vfio/pci/qat/qat_vfio_pci.ko] undefined!
ERROR: modpost: "qat_vfmig_destroy" [drivers/vfio/pci/qat/qat_vfio_pci.ko] undefined!
ERROR: modpost: "qat_vfmig_close" [drivers/vfio/pci/qat/qat_vfio_pci.ko] undefined!
ERROR: modpost: "qat_vfmig_cleanup" [drivers/vfio/pci/qat/qat_vfio_pci.ko] undefined!
WARNING: modpost: suppressed 1 unresolved symbol warnings because there were too many)
Make live migration helpers provided by QAT PF driver always available
even if CONFIG_PCI_IOV is not selected. This does not cause any side
effect.
Reported-by: Arnd Bergmann <arnd@arndb.de>
Closes: https://lore.kernel.org/lkml/20240607153406.60355e6c.alex.williamson@redhat.com/T/
Fixes: bb208810b1ab ("vfio/qat: Add vfio_pci driver for Intel QAT SR-IOV VF devices")
Signed-off-by: Xin Zeng <xin.zeng@intel.com>
Reviewed-by: Giovanni Cabiddu <giovanni.cabiddu@intel.com>
Reviewed-by: Kevin Tian <kevin.tian@intel.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
make allmodconfig && make W=1 C=1 reports:
WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/crypto/xilinx/zynqmp-aes-gcm.o
Add the missing invocation of the MODULE_DESCRIPTION() macro.
Signed-off-by: Jeff Johnson <quic_jjohnson@quicinc.com>
Reviewed-by: Michal Simek <michal.simek@amd.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
make allmodconfig && make W=1 C=1 reports:
WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/crypto/sa2ul.o
Add the missing invocation of the MODULE_DESCRIPTION() macro.
Signed-off-by: Jeff Johnson <quic_jjohnson@quicinc.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
make allmodconfig && make W=1 C=1 reports:
WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/crypto/intel/keembay/keembay-ocs-hcu.o
Add the missing invocation of the MODULE_DESCRIPTION() macro.
Signed-off-by: Jeff Johnson <quic_jjohnson@quicinc.com>
Signed-off-by: Jeff Johnson <quic_jjohnson@quicinc.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
make allmodconfig && make W=1 C=1 reports:
WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/crypto/atmel-sha204a.o
Add the missing invocation of the MODULE_DESCRIPTION() macro.
Signed-off-by: Jeff Johnson <quic_jjohnson@quicinc.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Currently, the reg is queried based on the fixed address offset
array. When the number of accelerator cores changes, the system
can not flexibly respond to the change.
Therefore, the reg to be queried is calculated based on the
comp or decomp core base address.
Signed-off-by: Chenghai Huang <huangchenghai2@huawei.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
When the vf is enabled, the value of vfs_num must be assigned
after the VF configuration is complete. Otherwise, the device
may be accessed before the virtual configuration is complete,
causing an error.
When the vf is disabled, clear vfs_num and execute
qm_pm_put_sync before hisi_qm_sriov_disable is return.
Otherwise, if qm_clear_vft_config fails, users may access the
device when the PCI virtualization is disabled, resulting in an
error.
Signed-off-by: Chenghai Huang <huangchenghai2@huawei.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Some of the security attributes data is now populated from an HSTI
command on some processors, so show the message after it has been
populated.
Signed-off-by: Mario Limonciello <mario.limonciello@amd.com>
Acked-by: Tom Lendacky <thomas.lendacky@amd.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
To prepare for other code that will manipulate security attributes
move the handling code out of sp-pci.c. No intended functional changes.
Signed-off-by: Mario Limonciello <mario.limonciello@amd.com>
Acked-by: Tom Lendacky <thomas.lendacky@amd.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Making the capabilities register a union makes it easier to refer
to the members instead of always doing bit shifts.
No intended functional changes.
Acked-by: Tom Lendacky <thomas.lendacky@amd.com>
Suggested-by: Yazen Ghannam <yazen.ghannam@amd.com>
Signed-off-by: Mario Limonciello <mario.limonciello@amd.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
The finalize operation in interrupt mode produce a produces a spinlock
recursion warning. The reason is the fact that BH must be disabled
during this process.
Signed-off-by: Maxime Méré <maxime.mere@foss.st.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
This flag is needed to make the driver visible from openssl and cryptodev.
Signed-off-by: Maxime Méré <maxime.mere@st.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Increase STM32 CRYP priority, to be greater than the ARM-NEON
accelerated version.
Signed-of-by: Maxime Méré <maxime.mere@foss.st.com>
Signed-off-by: Nicolas Toromanoff <nicolas.toromanoff@foss.st.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Use DMA when buffer are aligned and with expected size.
If buffer are correctly aligned and bigger than 1KB we have some
performance gain:
With DMA enable:
$ openssl speed -evp aes-256-cbc -engine afalg -elapsed
The 'numbers' are in 1000s of bytes per second processed.
type 16 bytes 64 bytes 256 bytes 1024 bytes 8192 bytes 16384 bytes
aes-256-cbc 120.02k 406.78k 1588.82k 5873.32k 26020.52k 34258.94k
Without DMA:
$ openssl speed -evp aes-256-cbc -engine afalg -elapsed
The 'numbers' are in 1000s of bytes per second processed.
type 16 bytes 64 bytes 256 bytes 1024 bytes 8192 bytes 16384 bytes
aes-256-cbc 121.06k 419.95k 1112.23k 1897.47k 2362.03k 2386.60k
With DMA:
extract of
$ modprobe tcrypt mode=500
testing speed of async cbc(aes) (stm32-cbc-aes) encryption
tcrypt: test 14 (256 bit key, 16 byte blocks): 1 operation in 1679 cycles (16 bytes)
tcrypt: test 15 (256 bit key, 64 byte blocks): 1 operation in 1893 cycles (64 bytes)
tcrypt: test 16 (256 bit key, 128 byte blocks): 1 operation in 1760 cycles (128 bytes)
tcrypt: test 17 (256 bit key, 256 byte blocks): 1 operation in 2154 cycles (256 bytes)
tcrypt: test 18 (256 bit key, 1024 byte blocks): 1 operation in 2132 cycles (1024 bytes)
tcrypt: test 19 (256 bit key, 1424 byte blocks): 1 operation in 2466 cycles (1424 bytes)
tcrypt: test 20 (256 bit key, 4096 byte blocks): 1 operation in 4040 cycles (4096 bytes)
Without DMA:
$ modprobe tcrypt mode=500
tcrypt: test 14 (256 bit key, 16 byte blocks): 1 operation in 1671 cycles (16 bytes)
tcrypt: test 15 (256 bit key, 64 byte blocks): 1 operation in 2263 cycles (64 bytes)
tcrypt: test 16 (256 bit key, 128 byte blocks): 1 operation in 2881 cycles (128 bytes)
tcrypt: test 17 (256 bit key, 256 byte blocks): 1 operation in 4270 cycles (256 bytes)
tcrypt: test 18 (256 bit key, 1024 byte blocks): 1 operation in 11537 cycles (1024 bytes)
tcrypt: test 19 (256 bit key, 1424 byte blocks): 1 operation in 15025 cycles (1424 bytes)
tcrypt: test 20 (256 bit key, 4096 byte blocks): 1 operation in 40747 cycles (4096 bytes)
Signed-off-by: Alexandre Torgue <alexandre.torgue@foss.st.com>
Signed-off-by: Maxime Méré <maxime.mere@foss.st.com>
Signed-off-by: Nicolas Toromanoff <nicolas.toromanoff@foss.st.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
The only iommu function call in this driver is a
tegra_dev_iommu_get_stream_id() which does not allocate anything and does
not take any reference.
So there is no point in calling iommu_fwspec_free() in the remove function.
Remove this incorrect function call.
Fixes: 0880bb3b00c8 ("crypto: tegra - Add Tegra Security Engine driver")
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Tested-by: Akhil R <akhilrajeev@nvidia.com>
Acked-by: Akhil R <akhilrajeev@nvidia.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
'n2_skcipher_request_context' was added in
commit 23a6564a6b51 ("crypto: niagara2 - switch to skcipher API")
but never used.
Remove it.
Signed-off-by: Dr. David Alan Gilbert <linux@treblig.org>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Remove 'hifn_mac_command' and 'hifn_comp_command' which are unused.
They're the same structure as 'hifn_crypt_command' which is used.
(I was tempted to remove
hifn_base_result
hifn_comp_result
hifn_mac_result and
hifn_crypt_result
which are also unused, but they vary, and perhaps they're telling
someone in the future what to look at.)
Signed-off-by: Dr. David Alan Gilbert <linux@treblig.org>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
'tdes_keys' appears unused.
Remove it.
Signed-off-by: Dr. David Alan Gilbert <linux@treblig.org>
Acked-by: Gilad Ben-Yossef <gilad@benyossef.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
'dbgfs_u32' appears unused.
Remove it.
(pdma_stat_descr is also unused, but I'm assuming it's
some useful layout description of firmware/hardware
so best left in)
Signed-off-by: Dr. David Alan Gilbert <linux@treblig.org>
Acked-by: Jesper Nilsson <jesper.nilsson@axis.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Several new features here:
- virtio-net is finally supported in vduse.
- Virtio (balloon and mem) interaction with suspend is improved
- vhost-scsi now handles signals better/faster.
Fixes, cleanups all over the place.
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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Merge tag 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost
Pull virtio updates from Michael Tsirkin:
"Several new features here:
- virtio-net is finally supported in vduse
- virtio (balloon and mem) interaction with suspend is improved
- vhost-scsi now handles signals better/faster
And fixes, cleanups all over the place"
* tag 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost: (48 commits)
virtio-pci: Check if is_avq is NULL
virtio: delete vq in vp_find_vqs_msix() when request_irq() fails
MAINTAINERS: add Eugenio Pérez as reviewer
vhost-vdpa: Remove usage of the deprecated ida_simple_xx() API
vp_vdpa: don't allocate unused msix vectors
sound: virtio: drop owner assignment
fuse: virtio: drop owner assignment
scsi: virtio: drop owner assignment
rpmsg: virtio: drop owner assignment
nvdimm: virtio_pmem: drop owner assignment
wifi: mac80211_hwsim: drop owner assignment
vsock/virtio: drop owner assignment
net: 9p: virtio: drop owner assignment
net: virtio: drop owner assignment
net: caif: virtio: drop owner assignment
misc: nsm: drop owner assignment
iommu: virtio: drop owner assignment
drm/virtio: drop owner assignment
gpio: virtio: drop owner assignment
firmware: arm_scmi: virtio: drop owner assignment
...
virtio core already sets the .owner, so driver does not need to.
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Message-Id: <20240331-module-owner-virtio-v2-10-98f04bfaf46a@linaro.org>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Acked-by: Herbert Xu <herbert@gondor.apana.org.au>
fix in qat.
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Merge tag 'v6.10-p2' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6
Pull crypto fixes from Herbert Xu:
"Fix a bug in the new ecc P521 code as well as a buggy fix in qat"
* tag 'v6.10-p2' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6:
crypto: ecc - Prevent ecc_digits_from_bytes from reading too many bytes
crypto: qat - Fix ADF_DEV_RESET_SYNC memory leak
- Avoid 'constexpr', which is a keyword in C23
- Allow 'dtbs_check' and 'dt_compatible_check' run independently of
'dt_binding_check'
- Fix weak references to avoid GOT entries in position-independent
code generation
- Convert the last use of 'optional' property in arch/sh/Kconfig
- Remove support for the 'optional' property in Kconfig
- Remove support for Clang's ThinLTO caching, which does not work with
the .incbin directive
- Change the semantics of $(src) so it always points to the source
directory, which fixes Makefile inconsistencies between upstream and
downstream
- Fix 'make tar-pkg' for RISC-V to produce a consistent package
- Provide reasonable default coverage for objtool, sanitizers, and
profilers
- Remove redundant OBJECT_FILES_NON_STANDARD, KASAN_SANITIZE, etc.
- Remove the last use of tristate choice in drivers/rapidio/Kconfig
- Various cleanups and fixes in Kconfig
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Merge tag 'kbuild-v6.10' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild
Pull Kbuild updates from Masahiro Yamada:
- Avoid 'constexpr', which is a keyword in C23
- Allow 'dtbs_check' and 'dt_compatible_check' run independently of
'dt_binding_check'
- Fix weak references to avoid GOT entries in position-independent code
generation
- Convert the last use of 'optional' property in arch/sh/Kconfig
- Remove support for the 'optional' property in Kconfig
- Remove support for Clang's ThinLTO caching, which does not work with
the .incbin directive
- Change the semantics of $(src) so it always points to the source
directory, which fixes Makefile inconsistencies between upstream and
downstream
- Fix 'make tar-pkg' for RISC-V to produce a consistent package
- Provide reasonable default coverage for objtool, sanitizers, and
profilers
- Remove redundant OBJECT_FILES_NON_STANDARD, KASAN_SANITIZE, etc.
- Remove the last use of tristate choice in drivers/rapidio/Kconfig
- Various cleanups and fixes in Kconfig
* tag 'kbuild-v6.10' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild: (46 commits)
kconfig: use sym_get_choice_menu() in sym_check_prop()
rapidio: remove choice for enumeration
kconfig: lxdialog: remove initialization with A_NORMAL
kconfig: m/nconf: merge two item_add_str() calls
kconfig: m/nconf: remove dead code to display value of bool choice
kconfig: m/nconf: remove dead code to display children of choice members
kconfig: gconf: show checkbox for choice correctly
kbuild: use GCOV_PROFILE and KCSAN_SANITIZE in scripts/Makefile.modfinal
Makefile: remove redundant tool coverage variables
kbuild: provide reasonable defaults for tool coverage
modules: Drop the .export_symbol section from the final modules
kconfig: use menu_list_for_each_sym() in sym_check_choice_deps()
kconfig: use sym_get_choice_menu() in conf_write_defconfig()
kconfig: add sym_get_choice_menu() helper
kconfig: turn defaults and additional prompt for choice members into error
kconfig: turn missing prompt for choice members into error
kconfig: turn conf_choice() into void function
kconfig: use linked list in sym_set_changed()
kconfig: gconf: use MENU_CHANGED instead of SYMBOL_CHANGED
kconfig: gconf: remove debug code
...
Using completion_done to determine whether the caller has gone
away only works after a complete call. Furthermore it's still
possible that the caller has not yet called wait_for_completion,
resulting in another potential UAF.
Fix this by making the caller use cancel_work_sync and then freeing
the memory safely.
Fixes: 7d42e097607c ("crypto: qat - resolve race condition during AER recovery")
Cc: <stable@vger.kernel.org> #6.8+
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Reviewed-by: Giovanni Cabiddu <giovanni.cabiddu@intel.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Core & protocols
----------------
- Complete rework of garbage collection of AF_UNIX sockets.
AF_UNIX is prone to forming reference count cycles due to fd passing
functionality. New method based on Tarjan's Strongly Connected Components
algorithm should be both faster and remove a lot of workarounds
we accumulated over the years.
- Add TCP fraglist GRO support, allowing chaining multiple TCP packets
and forwarding them together. Useful for small switches / routers which
lack basic checksum offload in some scenarios (e.g. PPPoE).
- Support using SMP threads for handling packet backlog i.e. packet
processing from software interfaces and old drivers which don't
use NAPI. This helps move the processing out of the softirq jumble.
- Continue work of converting from rtnl lock to RCU protection.
Don't require rtnl lock when reading: IPv6 routing FIB, IPv6 address
labels, netdev threaded NAPI sysfs files, bonding driver's sysfs files,
MPLS devconf, IPv4 FIB rules, netns IDs, tcp metrics, TC Qdiscs,
neighbor entries, ARP entries via ioctl(SIOCGARP), a lot of the link
information available via rtnetlink.
- Small optimizations from Eric to UDP wake up handling, memory accounting,
RPS/RFS implementation, TCP packet sizing etc.
- Allow direct page recycling in the bulk API used by XDP, for +2% PPS.
- Support peek with an offset on TCP sockets.
- Add MPTCP APIs for querying last time packets were received/sent/acked,
and whether MPTCP "upgrade" succeeded on a TCP socket.
- Add intra-node communication shortcut to improve SMC performance.
- Add IPv6 (and IPv{4,6}-over-IPv{4,6}) support to the GTP protocol driver.
- Add HSR-SAN (RedBOX) mode of operation to the HSR protocol driver.
- Add reset reasons for tracing what caused a TCP reset to be sent.
- Introduce direction attribute for xfrm (IPSec) states.
State can be used either for input or output packet processing.
Things we sprinkled into general kernel code
--------------------------------------------
- Add bitmap_{read,write}(), bitmap_size(), expose BYTES_TO_BITS().
This required touch-ups and renaming of a few existing users.
- Add Endian-dependent __counted_by_{le,be} annotations.
- Make building selftests "quieter" by printing summaries like
"CC object.o" rather than full commands with all the arguments.
Netfilter
---------
- Use GFP_KERNEL to clone elements, to deal better with OOM situations
and avoid failures in the .commit step.
BPF
---
- Add eBPF JIT for ARCv2 CPUs.
- Support attaching kprobe BPF programs through kprobe_multi link in
a session mode, meaning, a BPF program is attached to both function entry
and return, the entry program can decide if the return program gets
executed and the entry program can share u64 cookie value with return
program. "Session mode" is a common use-case for tetragon and bpftrace.
- Add the ability to specify and retrieve BPF cookie for raw tracepoint
programs in order to ease migration from classic to raw tracepoints.
- Add an internal-only BPF per-CPU instruction for resolving per-CPU
memory addresses and implement support in x86, ARM64 and RISC-V JITs.
This allows inlining functions which need to access per-CPU state.
- Optimize x86 BPF JIT's emit_mov_imm64, and add support for various
atomics in bpf_arena which can be JITed as a single x86 instruction.
Support BPF arena on ARM64.
- Add a new bpf_wq API for deferring events and refactor process-context
bpf_timer code to keep common code where possible.
- Harden the BPF verifier's and/or/xor value tracking.
- Introduce crypto kfuncs to let BPF programs call kernel crypto APIs.
- Support bpf_tail_call_static() helper for BPF programs with GCC 13.
- Add bpf_preempt_{disable,enable}() kfuncs in order to allow a BPF
program to have code sections where preemption is disabled.
Driver API
----------
- Skip software TC processing completely if all installed rules are
marked as HW-only, instead of checking the HW-only flag rule by rule.
- Add support for configuring PoE (Power over Ethernet), similar to
the already existing support for PoDL (Power over Data Line) config.
- Initial bits of a queue control API, for now allowing a single queue
to be reset without disturbing packet flow to other queues.
- Common (ethtool) statistics for hardware timestamping.
Tests and tooling
-----------------
- Remove the need to create a config file to run the net forwarding tests
so that a naive "make run_tests" can exercise them.
- Define a method of writing tests which require an external endpoint
to communicate with (to send/receive data towards the test machine).
Add a few such tests.
- Create a shared code library for writing Python tests. Expose the YAML
Netlink library from tools/ to the tests for easy Netlink access.
- Move netfilter tests under net/, extend them, separate performance tests
from correctness tests, and iron out issues found by running them
"on every commit".
- Refactor BPF selftests to use common network helpers.
- Further work filling in YAML definitions of Netlink messages for:
nftables, team driver, bonding interfaces, vlan interfaces, VF info,
TC u32 mark, TC police action.
- Teach Python YAML Netlink to decode attribute policies.
- Extend the definition of the "indexed array" construct in the specs
to cover arrays of scalars rather than just nests.
- Add hyperlinks between definitions in generated Netlink docs.
Drivers
-------
- Make sure unsupported flower control flags are rejected by drivers,
and make more drivers report errors directly to the application rather
than dmesg (large number of driver changes from Asbjørn Sloth Tønnesen).
- Ethernet high-speed NICs:
- Broadcom (bnxt):
- support multiple RSS contexts and steering traffic to them
- support XDP metadata
- make page pool allocations more NUMA aware
- Intel (100G, ice, idpf):
- extract datapath code common among Intel drivers into a library
- use fewer resources in switchdev by sharing queues with the PF
- add PFCP filter support
- add Ethernet filter support
- use a spinlock instead of HW lock in PTP clock ops
- support 5 layer Tx scheduler topology
- nVidia/Mellanox:
- 800G link modes and 100G SerDes speeds
- per-queue IRQ coalescing configuration
- Marvell Octeon:
- support offloading TC packet mark action
- Ethernet NICs consumer, embedded and virtual:
- stop lying about skb->truesize in USB Ethernet drivers, it messes up
TCP memory calculations
- Google cloud vNIC:
- support changing ring size via ethtool
- support ring reset using the queue control API
- VirtIO net:
- expose flow hash from RSS to XDP
- per-queue statistics
- add selftests
- Synopsys (stmmac):
- support controllers which require an RX clock signal from the MII
bus to perform their hardware initialization
- TI:
- icssg_prueth: support ICSSG-based Ethernet on AM65x SR1.0 devices
- icssg_prueth: add SW TX / RX Coalescing based on hrtimers
- cpsw: minimal XDP support
- Renesas (ravb):
- support describing the MDIO bus
- Realtek (r8169):
- add support for RTL8168M
- Microchip Sparx5:
- matchall and flower actions mirred and redirect
- Ethernet switches:
- nVidia/Mellanox:
- improve events processing performance
- Marvell:
- add support for MV88E6250 family internal PHYs
- Microchip:
- add DCB and DSCP mapping support for KSZ switches
- vsc73xx: convert to PHYLINK
- Realtek:
- rtl8226b/rtl8221b: add C45 instances and SerDes switching
- Many driver changes related to PHYLIB and PHYLINK deprecated API cleanup.
- Ethernet PHYs:
- Add a new driver for Airoha EN8811H 2.5 Gigabit PHY.
- micrel: lan8814: add support for PPS out and external timestamp trigger
- WiFi:
- Disable Wireless Extensions (WEXT) in all Wi-Fi 7 devices drivers.
Modern devices can only be configured using nl80211.
- mac80211/cfg80211
- handle color change per link for WiFi 7 Multi-Link Operation
- Intel (iwlwifi):
- don't support puncturing in 5 GHz
- support monitor mode on passive channels
- BZ-W device support
- P2P with HE/EHT support
- re-add support for firmware API 90
- provide channel survey information for Automatic Channel Selection
- MediaTek (mt76):
- mt7921 LED control
- mt7925 EHT radiotap support
- mt7920e PCI support
- Qualcomm (ath11k):
- P2P support for QCA6390, WCN6855 and QCA2066
- support hibernation
- ieee80211-freq-limit Device Tree property support
- Qualcomm (ath12k):
- refactoring in preparation of multi-link support
- suspend and hibernation support
- ACPI support
- debugfs support, including dfs_simulate_radar support
- RealTek:
- rtw88: RTL8723CS SDIO device support
- rtw89: RTL8922AE Wi-Fi 7 PCI device support
- rtw89: complete features of new WiFi 7 chip 8922AE including
BT-coexistence and Wake-on-WLAN
- rtw89: use BIOS ACPI settings to set TX power and channels
- rtl8xxxu: enable Management Frame Protection (MFP) support
- Bluetooth:
- support for Intel BlazarI and Filmore Peak2 (BE201)
- support for MediaTek MT7921S SDIO
- initial support for Intel PCIe BT driver
- remove HCI_AMP support
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Merge tag 'net-next-6.10' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next
Pull networking updates from Jakub Kicinski:
"Core & protocols:
- Complete rework of garbage collection of AF_UNIX sockets.
AF_UNIX is prone to forming reference count cycles due to fd
passing functionality. New method based on Tarjan's Strongly
Connected Components algorithm should be both faster and remove a
lot of workarounds we accumulated over the years.
- Add TCP fraglist GRO support, allowing chaining multiple TCP
packets and forwarding them together. Useful for small switches /
routers which lack basic checksum offload in some scenarios (e.g.
PPPoE).
- Support using SMP threads for handling packet backlog i.e. packet
processing from software interfaces and old drivers which don't use
NAPI. This helps move the processing out of the softirq jumble.
- Continue work of converting from rtnl lock to RCU protection.
Don't require rtnl lock when reading: IPv6 routing FIB, IPv6
address labels, netdev threaded NAPI sysfs files, bonding driver's
sysfs files, MPLS devconf, IPv4 FIB rules, netns IDs, tcp metrics,
TC Qdiscs, neighbor entries, ARP entries via ioctl(SIOCGARP), a lot
of the link information available via rtnetlink.
- Small optimizations from Eric to UDP wake up handling, memory
accounting, RPS/RFS implementation, TCP packet sizing etc.
- Allow direct page recycling in the bulk API used by XDP, for +2%
PPS.
- Support peek with an offset on TCP sockets.
- Add MPTCP APIs for querying last time packets were received/sent/acked
and whether MPTCP "upgrade" succeeded on a TCP socket.
- Add intra-node communication shortcut to improve SMC performance.
- Add IPv6 (and IPv{4,6}-over-IPv{4,6}) support to the GTP protocol
driver.
- Add HSR-SAN (RedBOX) mode of operation to the HSR protocol driver.
- Add reset reasons for tracing what caused a TCP reset to be sent.
- Introduce direction attribute for xfrm (IPSec) states. State can be
used either for input or output packet processing.
Things we sprinkled into general kernel code:
- Add bitmap_{read,write}(), bitmap_size(), expose BYTES_TO_BITS().
This required touch-ups and renaming of a few existing users.
- Add Endian-dependent __counted_by_{le,be} annotations.
- Make building selftests "quieter" by printing summaries like
"CC object.o" rather than full commands with all the arguments.
Netfilter:
- Use GFP_KERNEL to clone elements, to deal better with OOM
situations and avoid failures in the .commit step.
BPF:
- Add eBPF JIT for ARCv2 CPUs.
- Support attaching kprobe BPF programs through kprobe_multi link in
a session mode, meaning, a BPF program is attached to both function
entry and return, the entry program can decide if the return
program gets executed and the entry program can share u64 cookie
value with return program. "Session mode" is a common use-case for
tetragon and bpftrace.
- Add the ability to specify and retrieve BPF cookie for raw
tracepoint programs in order to ease migration from classic to raw
tracepoints.
- Add an internal-only BPF per-CPU instruction for resolving per-CPU
memory addresses and implement support in x86, ARM64 and RISC-V
JITs. This allows inlining functions which need to access per-CPU
state.
- Optimize x86 BPF JIT's emit_mov_imm64, and add support for various
atomics in bpf_arena which can be JITed as a single x86
instruction. Support BPF arena on ARM64.
- Add a new bpf_wq API for deferring events and refactor
process-context bpf_timer code to keep common code where possible.
- Harden the BPF verifier's and/or/xor value tracking.
- Introduce crypto kfuncs to let BPF programs call kernel crypto
APIs.
- Support bpf_tail_call_static() helper for BPF programs with GCC 13.
- Add bpf_preempt_{disable,enable}() kfuncs in order to allow a BPF
program to have code sections where preemption is disabled.
Driver API:
- Skip software TC processing completely if all installed rules are
marked as HW-only, instead of checking the HW-only flag rule by
rule.
- Add support for configuring PoE (Power over Ethernet), similar to
the already existing support for PoDL (Power over Data Line)
config.
- Initial bits of a queue control API, for now allowing a single
queue to be reset without disturbing packet flow to other queues.
- Common (ethtool) statistics for hardware timestamping.
Tests and tooling:
- Remove the need to create a config file to run the net forwarding
tests so that a naive "make run_tests" can exercise them.
- Define a method of writing tests which require an external endpoint
to communicate with (to send/receive data towards the test
machine). Add a few such tests.
- Create a shared code library for writing Python tests. Expose the
YAML Netlink library from tools/ to the tests for easy Netlink
access.
- Move netfilter tests under net/, extend them, separate performance
tests from correctness tests, and iron out issues found by running
them "on every commit".
- Refactor BPF selftests to use common network helpers.
- Further work filling in YAML definitions of Netlink messages for:
nftables, team driver, bonding interfaces, vlan interfaces, VF
info, TC u32 mark, TC police action.
- Teach Python YAML Netlink to decode attribute policies.
- Extend the definition of the "indexed array" construct in the specs
to cover arrays of scalars rather than just nests.
- Add hyperlinks between definitions in generated Netlink docs.
Drivers:
- Make sure unsupported flower control flags are rejected by drivers,
and make more drivers report errors directly to the application
rather than dmesg (large number of driver changes from Asbjørn
Sloth Tønnesen).
- Ethernet high-speed NICs:
- Broadcom (bnxt):
- support multiple RSS contexts and steering traffic to them
- support XDP metadata
- make page pool allocations more NUMA aware
- Intel (100G, ice, idpf):
- extract datapath code common among Intel drivers into a library
- use fewer resources in switchdev by sharing queues with the PF
- add PFCP filter support
- add Ethernet filter support
- use a spinlock instead of HW lock in PTP clock ops
- support 5 layer Tx scheduler topology
- nVidia/Mellanox:
- 800G link modes and 100G SerDes speeds
- per-queue IRQ coalescing configuration
- Marvell Octeon:
- support offloading TC packet mark action
- Ethernet NICs consumer, embedded and virtual:
- stop lying about skb->truesize in USB Ethernet drivers, it
messes up TCP memory calculations
- Google cloud vNIC:
- support changing ring size via ethtool
- support ring reset using the queue control API
- VirtIO net:
- expose flow hash from RSS to XDP
- per-queue statistics
- add selftests
- Synopsys (stmmac):
- support controllers which require an RX clock signal from the
MII bus to perform their hardware initialization
- TI:
- icssg_prueth: support ICSSG-based Ethernet on AM65x SR1.0 devices
- icssg_prueth: add SW TX / RX Coalescing based on hrtimers
- cpsw: minimal XDP support
- Renesas (ravb):
- support describing the MDIO bus
- Realtek (r8169):
- add support for RTL8168M
- Microchip Sparx5:
- matchall and flower actions mirred and redirect
- Ethernet switches:
- nVidia/Mellanox:
- improve events processing performance
- Marvell:
- add support for MV88E6250 family internal PHYs
- Microchip:
- add DCB and DSCP mapping support for KSZ switches
- vsc73xx: convert to PHYLINK
- Realtek:
- rtl8226b/rtl8221b: add C45 instances and SerDes switching
- Many driver changes related to PHYLIB and PHYLINK deprecated API
cleanup
- Ethernet PHYs:
- Add a new driver for Airoha EN8811H 2.5 Gigabit PHY.
- micrel: lan8814: add support for PPS out and external timestamp trigger
- WiFi:
- Disable Wireless Extensions (WEXT) in all Wi-Fi 7 devices
drivers. Modern devices can only be configured using nl80211.
- mac80211/cfg80211
- handle color change per link for WiFi 7 Multi-Link Operation
- Intel (iwlwifi):
- don't support puncturing in 5 GHz
- support monitor mode on passive channels
- BZ-W device support
- P2P with HE/EHT support
- re-add support for firmware API 90
- provide channel survey information for Automatic Channel Selection
- MediaTek (mt76):
- mt7921 LED control
- mt7925 EHT radiotap support
- mt7920e PCI support
- Qualcomm (ath11k):
- P2P support for QCA6390, WCN6855 and QCA2066
- support hibernation
- ieee80211-freq-limit Device Tree property support
- Qualcomm (ath12k):
- refactoring in preparation of multi-link support
- suspend and hibernation support
- ACPI support
- debugfs support, including dfs_simulate_radar support
- RealTek:
- rtw88: RTL8723CS SDIO device support
- rtw89: RTL8922AE Wi-Fi 7 PCI device support
- rtw89: complete features of new WiFi 7 chip 8922AE including
BT-coexistence and Wake-on-WLAN
- rtw89: use BIOS ACPI settings to set TX power and channels
- rtl8xxxu: enable Management Frame Protection (MFP) support
- Bluetooth:
- support for Intel BlazarI and Filmore Peak2 (BE201)
- support for MediaTek MT7921S SDIO
- initial support for Intel PCIe BT driver
- remove HCI_AMP support"
* tag 'net-next-6.10' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next: (1827 commits)
selftests: netfilter: fix packetdrill conntrack testcase
net: gro: fix napi_gro_cb zeroed alignment
Bluetooth: btintel_pcie: Refactor and code cleanup
Bluetooth: btintel_pcie: Fix warning reported by sparse
Bluetooth: hci_core: Fix not handling hdev->le_num_of_adv_sets=1
Bluetooth: btintel: Fix compiler warning for multi_v7_defconfig config
Bluetooth: btintel_pcie: Fix compiler warnings
Bluetooth: btintel_pcie: Add *setup* function to download firmware
Bluetooth: btintel_pcie: Add support for PCIe transport
Bluetooth: btintel: Export few static functions
Bluetooth: HCI: Remove HCI_AMP support
Bluetooth: L2CAP: Fix div-by-zero in l2cap_le_flowctl_init()
Bluetooth: qca: Fix error code in qca_read_fw_build_info()
Bluetooth: hci_conn: Use __counted_by() and avoid -Wfamnae warning
Bluetooth: btintel: Add support for Filmore Peak2 (BE201)
Bluetooth: btintel: Add support for BlazarI
LE Create Connection command timeout increased to 20 secs
dt-bindings: net: bluetooth: Add MediaTek MT7921S SDIO Bluetooth
Bluetooth: compute LE flow credits based on recvbuf space
Bluetooth: hci_sync: Use cmd->num_cis instead of magic number
...
API:
- Remove crypto stats interface.
Algorithms:
- Add faster AES-XTS on modern x86_64 CPUs.
- Forbid curves with order less than 224 bits in ecc (FIPS 186-5).
- Add ECDSA NIST P521.
Drivers:
- Expose otp zone in atmel.
- Add dh fallback for primes > 4K in qat.
- Add interface for live migration in qat.
- Use dma for aes requests in starfive.
- Add full DMA support for stm32mpx in stm32.
- Add Tegra Security Engine driver.
Others:
- Introduce scope-based x509_certificate allocation.
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Merge tag 'v6.10-p1' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6
Pull crypto updates from Herbert Xu:
"API:
- Remove crypto stats interface
Algorithms:
- Add faster AES-XTS on modern x86_64 CPUs
- Forbid curves with order less than 224 bits in ecc (FIPS 186-5)
- Add ECDSA NIST P521
Drivers:
- Expose otp zone in atmel
- Add dh fallback for primes > 4K in qat
- Add interface for live migration in qat
- Use dma for aes requests in starfive
- Add full DMA support for stm32mpx in stm32
- Add Tegra Security Engine driver
Others:
- Introduce scope-based x509_certificate allocation"
* tag 'v6.10-p1' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6: (123 commits)
crypto: atmel-sha204a - provide the otp content
crypto: atmel-sha204a - add reading from otp zone
crypto: atmel-i2c - rename read function
crypto: atmel-i2c - add missing arg description
crypto: iaa - Use kmemdup() instead of kzalloc() and memcpy()
crypto: sahara - use 'time_left' variable with wait_for_completion_timeout()
crypto: api - use 'time_left' variable with wait_for_completion_killable_timeout()
crypto: caam - i.MX8ULP donot have CAAM page0 access
crypto: caam - init-clk based on caam-page0-access
crypto: starfive - Use fallback for unaligned dma access
crypto: starfive - Do not free stack buffer
crypto: starfive - Skip unneeded fallback allocation
crypto: starfive - Skip dma setup for zeroed message
crypto: hisilicon/sec2 - fix for register offset
crypto: hisilicon/debugfs - mask the unnecessary info from the dump
crypto: qat - specify firmware files for 402xx
crypto: x86/aes-gcm - simplify GCM hash subkey derivation
crypto: x86/aes-gcm - delete unused GCM assembly code
crypto: x86/aes-xts - simplify loop in xts_crypt_slowpath()
hwrng: stm32 - repair clock handling
...
This is pull request for trusted keys subsystem containing a new key
type for the Data Co-Processor (DCP), which is an IP core built into
many NXP SoCs such as i.mx6ull.
BR, Jarkko
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Merge tag 'keys-trusted-next-6.10-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/jarkko/linux-tpmdd
Pull trusted keys updates from Jarkko Sakkinen:
"This contains a new key type for the Data Co-Processor (DCP), which is
an IP core built into many NXP SoCs such as i.mx6ull"
* tag 'keys-trusted-next-6.10-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/jarkko/linux-tpmdd:
docs: trusted-encrypted: add DCP as new trust source
docs: document DCP-backed trusted keys kernel params
MAINTAINERS: add entry for DCP-based trusted keys
KEYS: trusted: Introduce NXP DCP-backed trusted keys
KEYS: trusted: improve scalability of trust source config
crypto: mxs-dcp: Add support for hardware-bound keys
- Rework the AP initialization and add missing cleanups to the error path
- Swap IRQ and AP bus/device registration to avoid race conditions
- Export prot_virt_guest symbol
- Introduce AP configuration changes notifier interface to facilitate
modularization of the AP bus
- Add CONFIG_AP kernel configuration option to allow modularization of
the AP bus
- Rework CONFIG_ZCRYPT_DEBUG kernel configuration option description and
dependency and rename it to CONFIG_AP_DEBUG
- Convert sprintf() and snprintf() to sysfs_emit() in CIO code
- Adjust indentation of RELOCS command build step
- Make crypto performance counters upward compatible
- Convert make_page_secure() and gmap_make_secure() to use folio
- Rework channel-utilization-block (CUB) handling in preparation of
introducing additional CUBs
- Use attribute groups to simplify registration, removal and extension
of measurement-related channel-path sysfs attributes
- Add a per-channel-path binary "ext_measurement" sysfs attribute that
provides access to extended channel-path measurement data
- Export measurement data for all channel-measurement-groups (CMG), not
only for a specific ones. This enables support of new CMG data formats
in userspace without the need for kernel changes
- Add a per-channel-path sysfs attribute "speed_bps" that provides the
operating speed in bits per second or 0 if the operating speed is not
available
- The CIO tracepoint subchannel-type field "st" is incorrectly set to
the value of subchannel-enabled SCHIB "ena" field. Fix that
- Do not forcefully limit vmemmap starting address to MAX_PHYSMEM_BITS
- Consider the maximum physical address available to a DCSS segment
(512GB) when memory layout is set up
- Simplify the virtual memory layout setup by reducing the size of
identity mapping vs vmemmap overlap
- Swap vmalloc and Lowcore/Real Memory Copy areas in virtual memory.
This will allow to place the kernel image next to kernel modules
- Move everyting KASLR related from <asm/setup.h> to <asm/page.h>
- Put virtual memory layout information into a structure to improve
code generation
- Currently __kaslr_offset is the kernel offset in both physical and
virtual memory spaces. Uncouple these offsets to allow uncoupling
of the addresses spaces
- Currently the identity mapping base address is implicit and is always
set to zero. Make it explicit by putting into __identity_base persistent
boot variable and use it in proper context
- Introduce .amode31 section start and end macros AMODE31_START and
AMODE31_END
- Introduce OS_INFO entries that do not reference any data in memory,
but rather provide only values
- Store virtual memory layout in OS_INFO. It is read out by makedumpfile,
crash and other tools
- Store virtual memory layout in VMCORE_INFO. It is read out by crash and
other tools when /proc/kcore device is used
- Create additional PT_LOAD ELF program header that covers kernel image
only, so that vmcore tools could locate kernel text and data when virtual
and physical memory spaces are uncoupled
- Uncouple physical and virtual address spaces
- Map kernel at fixed location when KASLR mode is disabled. The location is
defined by CONFIG_KERNEL_IMAGE_BASE kernel configuration value.
- Rework deployment of kernel image for both compressed and uncompressed
variants as defined by CONFIG_KERNEL_UNCOMPRESSED kernel configuration
value
- Move .vmlinux.relocs section in front of the compressed kernel.
The interim section rescue step is avoided as result
- Correct modules thunk offset calculation when branch target is more
than 2GB away
- Kernel modules contain their own set of expoline thunks. Now that the
kernel modules area is less than 4GB away from kernel expoline thunks,
make modules use kernel expolines. Also make EXPOLINE_EXTERN the default
if the compiler supports it
- userfaultfd can insert shared zeropages into processes running VMs,
but that is not allowed for s390. Fallback to allocating a fresh
zeroed anonymous folio and insert that instead
- Re-enable shared zeropages for non-PV and non-skeys KVM guests
- Rename hex2bitmap() to ap_hex2bitmap() and export it for external use
- Add ap_config sysfs attribute to provide the means for setting or
displaying adapters, domains and control domains assigned to a vfio-ap
mediated device in a single operation
- Make vfio_ap_mdev_link_queue() ignore duplicate link requests
- Add write support to ap_config sysfs attribute to allow atomic update
a vfio-ap mediated device state
- Document ap_config sysfs attribute
- Function os_info_old_init() is expected to be called only from a regular
kdump kernel. Enable it to be called from a stand-alone dump kernel
- Address gcc -Warray-bounds warning and fix array size in struct os_info
- s390 does not support SMBIOS, so drop unneeded CONFIG_DMI checks
- Use unwinder instead of __builtin_return_address() with ftrace to
prevent returning of undefined values
- Sections .hash and .gnu.hash are only created when CONFIG_PIE_BUILD
kernel is enabled. Drop these for the case CONFIG_PIE_BUILD is disabled
- Compile kernel with -fPIC and link with -no-pie to allow kpatch feature
always succeed and drop the whole CONFIG_PIE_BUILD option-enabled code
- Add missing virt_to_phys() converter for VSIE facility and crypto
control blocks
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Merge tag 's390-6.10-1' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux
Pull s390 updates from Alexander Gordeev:
- Store AP Query Configuration Information in a static buffer
- Rework the AP initialization and add missing cleanups to the error
path
- Swap IRQ and AP bus/device registration to avoid race conditions
- Export prot_virt_guest symbol
- Introduce AP configuration changes notifier interface to facilitate
modularization of the AP bus
- Add CONFIG_AP kernel configuration option to allow modularization of
the AP bus
- Rework CONFIG_ZCRYPT_DEBUG kernel configuration option description
and dependency and rename it to CONFIG_AP_DEBUG
- Convert sprintf() and snprintf() to sysfs_emit() in CIO code
- Adjust indentation of RELOCS command build step
- Make crypto performance counters upward compatible
- Convert make_page_secure() and gmap_make_secure() to use folio
- Rework channel-utilization-block (CUB) handling in preparation of
introducing additional CUBs
- Use attribute groups to simplify registration, removal and extension
of measurement-related channel-path sysfs attributes
- Add a per-channel-path binary "ext_measurement" sysfs attribute that
provides access to extended channel-path measurement data
- Export measurement data for all channel-measurement-groups (CMG), not
only for a specific ones. This enables support of new CMG data
formats in userspace without the need for kernel changes
- Add a per-channel-path sysfs attribute "speed_bps" that provides the
operating speed in bits per second or 0 if the operating speed is not
available
- The CIO tracepoint subchannel-type field "st" is incorrectly set to
the value of subchannel-enabled SCHIB "ena" field. Fix that
- Do not forcefully limit vmemmap starting address to MAX_PHYSMEM_BITS
- Consider the maximum physical address available to a DCSS segment
(512GB) when memory layout is set up
- Simplify the virtual memory layout setup by reducing the size of
identity mapping vs vmemmap overlap
- Swap vmalloc and Lowcore/Real Memory Copy areas in virtual memory.
This will allow to place the kernel image next to kernel modules
- Move everyting KASLR related from <asm/setup.h> to <asm/page.h>
- Put virtual memory layout information into a structure to improve
code generation
- Currently __kaslr_offset is the kernel offset in both physical and
virtual memory spaces. Uncouple these offsets to allow uncoupling of
the addresses spaces
- Currently the identity mapping base address is implicit and is always
set to zero. Make it explicit by putting into __identity_base
persistent boot variable and use it in proper context
- Introduce .amode31 section start and end macros AMODE31_START and
AMODE31_END
- Introduce OS_INFO entries that do not reference any data in memory,
but rather provide only values
- Store virtual memory layout in OS_INFO. It is read out by
makedumpfile, crash and other tools
- Store virtual memory layout in VMCORE_INFO. It is read out by crash
and other tools when /proc/kcore device is used
- Create additional PT_LOAD ELF program header that covers kernel image
only, so that vmcore tools could locate kernel text and data when
virtual and physical memory spaces are uncoupled
- Uncouple physical and virtual address spaces
- Map kernel at fixed location when KASLR mode is disabled. The
location is defined by CONFIG_KERNEL_IMAGE_BASE kernel configuration
value.
- Rework deployment of kernel image for both compressed and
uncompressed variants as defined by CONFIG_KERNEL_UNCOMPRESSED kernel
configuration value
- Move .vmlinux.relocs section in front of the compressed kernel. The
interim section rescue step is avoided as result
- Correct modules thunk offset calculation when branch target is more
than 2GB away
- Kernel modules contain their own set of expoline thunks. Now that the
kernel modules area is less than 4GB away from kernel expoline
thunks, make modules use kernel expolines. Also make EXPOLINE_EXTERN
the default if the compiler supports it
- userfaultfd can insert shared zeropages into processes running VMs,
but that is not allowed for s390. Fallback to allocating a fresh
zeroed anonymous folio and insert that instead
- Re-enable shared zeropages for non-PV and non-skeys KVM guests
- Rename hex2bitmap() to ap_hex2bitmap() and export it for external use
- Add ap_config sysfs attribute to provide the means for setting or
displaying adapters, domains and control domains assigned to a
vfio-ap mediated device in a single operation
- Make vfio_ap_mdev_link_queue() ignore duplicate link requests
- Add write support to ap_config sysfs attribute to allow atomic update
a vfio-ap mediated device state
- Document ap_config sysfs attribute
- Function os_info_old_init() is expected to be called only from a
regular kdump kernel. Enable it to be called from a stand-alone dump
kernel
- Address gcc -Warray-bounds warning and fix array size in struct
os_info
- s390 does not support SMBIOS, so drop unneeded CONFIG_DMI checks
- Use unwinder instead of __builtin_return_address() with ftrace to
prevent returning of undefined values
- Sections .hash and .gnu.hash are only created when CONFIG_PIE_BUILD
kernel is enabled. Drop these for the case CONFIG_PIE_BUILD is
disabled
- Compile kernel with -fPIC and link with -no-pie to allow kpatch
feature always succeed and drop the whole CONFIG_PIE_BUILD
option-enabled code
- Add missing virt_to_phys() converter for VSIE facility and crypto
control blocks
* tag 's390-6.10-1' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux: (54 commits)
Revert "s390: Relocate vmlinux ELF data to virtual address space"
KVM: s390: vsie: Use virt_to_phys for crypto control block
s390: Relocate vmlinux ELF data to virtual address space
s390: Compile kernel with -fPIC and link with -no-pie
s390: vmlinux.lds.S: Drop .hash and .gnu.hash for !CONFIG_PIE_BUILD
s390/ftrace: Use unwinder instead of __builtin_return_address()
s390/pci: Drop unneeded reference to CONFIG_DMI
s390/os_info: Fix array size in struct os_info
s390/os_info: Initialize old os_info in standalone dump kernel
docs: Update s390 vfio-ap doc for ap_config sysfs attribute
s390/vfio-ap: Add write support to sysfs attr ap_config
s390/vfio-ap: Ignore duplicate link requests in vfio_ap_mdev_link_queue
s390/vfio-ap: Add sysfs attr, ap_config, to export mdev state
s390/ap: Externalize AP bus specific bitmap reading function
s390/mm: Re-enable the shared zeropage for !PV and !skeys KVM guests
mm/userfaultfd: Do not place zeropages when zeropages are disallowed
s390/expoline: Make modules use kernel expolines
s390/nospec: Correct modules thunk offset calculation
s390/boot: Do not rescue .vmlinux.relocs section
s390/boot: Rework deployment of the kernel image
...
Set up sysfs for the Atmel SHA204a. Provide the content of the otp zone as
an attribute field on the sysfs entry. Thereby make sure that if the chip
is locked, not connected or trouble with the i2c bus, the sysfs device is
not set up. This is mostly already handled in atmel-i2c.
Signed-off-by: Lothar Rubusch <l.rubusch@gmail.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Provide a read function reading the otp zone. The otp zone can be used for
storing serial numbers. The otp zone, as also data zone, are only
accessible if the chip was locked before. Locking the chip is a post
production customization and has to be done manually i.e. not by this
driver. Without this step the chip is pretty much not usable, where
putting or not putting data into the otp zone is optional.
Signed-off-by: Lothar Rubusch <l.rubusch@gmail.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Make the memory read function name more specific to the read memory zone.
The Atmel SHA204 chips provide config, otp and data zone. The implemented
read function in fact only reads some fields in zone config. The function
renaming allows for a uniform naming scheme when reading from other memory
zones.
Signed-off-by: Lothar Rubusch <l.rubusch@gmail.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Fixes the following two Coccinelle/coccicheck warnings reported by
memdup.cocci:
iaa_crypto_main.c:350:19-26: WARNING opportunity for kmemdup
iaa_crypto_main.c:358:18-25: WARNING opportunity for kmemdup
Signed-off-by: Thorsten Blum <thorsten.blum@toblux.com>
Reviewed-by: Tom Zanussi <tom.zanussi@linux.intel.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
There is a confusing pattern in the kernel to use a variable named 'timeout' to
store the result of wait_for_completion_timeout() causing patterns like:
timeout = wait_for_completion_timeout(...)
if (!timeout) return -ETIMEDOUT;
with all kinds of permutations. Use 'time_left' as a variable to make the code
self explaining.
Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
iMX8ULP have a secure-enclave hardware IP called EdgeLock Enclave(ELE),
that control access to caam controller's register page, i.e., page0.
At all, if the ELE release access to CAAM controller's register page,
it will release to secure-world only.
Clocks are turned on automatically for iMX8ULP. There exists the caam
clock gating bit, but it is not advised to gate the clock at linux, as
optee-os or any other entity might be using it.
Signed-off-by: Pankaj Gupta <pankaj.gupta@nxp.com>
Reviewed-by: Gaurav Jain <gaurav.jain@nxp.com>
Reviewed-by: Horia Geanta <horia.geanta@nxp.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
CAAM clock initializat is done based on the basis of soc specific
info stored in struct caam_imx_data:
- caam-page0-access flag
- num_clks
CAAM driver needs to be aware of access rights to CAAM control page
i.e., page0, to do things differently.
Signed-off-by: Pankaj Gupta <pankaj.gupta@nxp.com>
Reviewed-by: Gaurav Jain <gaurav.jain@nxp.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Dma address mapping fails on unaligned scatterlist offset. Use sw
fallback for these cases.
Signed-off-by: Jia Jie Ho <jiajie.ho@starfivetech.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
RSA text data uses variable length buffer allocated in software stack.
Calling kfree on it causes undefined behaviour in subsequent operations.
Cc: <stable@vger.kernel.org> #6.7+
Signed-off-by: Jia Jie Ho <jiajie.ho@starfivetech.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Skip sw fallback allocation if RSA module failed to get device handle.
Signed-off-by: Jia Jie Ho <jiajie.ho@starfivetech.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
