The upcoming QCA ipq401x support detects the CP14 debug features,
but any attempt to use it causes an undefined instruction error.
It apparently needs a specific TZ image loaded by the early bootloader
(SBL) in order to enable these kinds of features.
So add a new kernel option that explicitly disables this in the
arm code - the debugger works fine without it.
These are hardware configuration options which are required in
the linux/openwrt device trees for the IPQ4018/IPQ4019 devices.
Since this isn't obtained from linux upstream but instead from
openwrt, this can't go in contrib; instead it is going in
sys/dts/include/ .
Obtained from: OpenWRT
Tested:
* IPQ4019 ASUS RT-AC58U AP, initial bootstrapping
This partially reverts e81e77c5a0, leaving the option both in
GENERICs on amd64/arm64/arm, and in global NOTES file. Apparently
this better matches existing practice, where we do not try to hard
to make LINT and GENERIC complimentary.
Requested and reviewed by: jhb
Sponsored by: The FreeBSD Foundation
MFC after: 1 week
Remove the option from NOTES/LINT, and add to NOTES for powerpc and
riscv.
PR: 259036
Requested by: John Hay <john@sanren.ac.za>
Discussed with: ian, imp
Sponsored by: The FreeBSD Foundation
MFC after: 1 week
also move ptrace-related helpers to ptrace_machdep.c
Apply some style. Use ANSI C function definitions.
Remove MPSAFE annotations.
Reviewed by: emaste, imp
Discussed with: jrtc27
Sponsored by: The FreeBSD Foundation
MFC after: 1 week
Differential revision: https://reviews.freebsd.org/D32310
The FreeBSD nvme driver has reset the nvme controller twice on attach to
address a theoretical issue assuring the hardware is in a known
state. However, exierence has shown the second reset is unnecessary and
increases the time to boot. Eliminate the second reset. Should there be
a situation when you need a second reset (for buggy or at least somewhat
out of the mainstream hardware), the hardware option NVME_2X_RESET will
restore the old behavior. Document this in nvme(4).
If there's any trouble at all with this, I'll add a sysctl tunable to
control it.
Sponsored by: Netflix
Reviewed by: cperciva, mav
Differential Revision: https://reviews.freebsd.org/D32241
The previous update to handle the gicv2m as a child of the gicv3 driver
assumed there was only a single gicv2m child. On some hardware there
are multiple children. Support this by removing the mbi ivars and
adding a new interface to handle MSI allocation in a given range.
Tested by: mw, trasz
Sponsored by: The FreeBSD Foundation
Differential Revision: https://reviews.freebsd.org/D32224
The ng_h4 module was disconnected 13 years ago when the tty later was
locked by Ed. It completely fails to compile, and has a number of false
positives for Giant use. Remove it for lack of interest. Bluetooth has
largely (completely?) moved on from bluetooth over UART transport.
OK'd by: emax
Sponsored by: Netflix
Differential Revision: https://reviews.freebsd.org/D31846
except linux/pci.h to avoid conflicts with Linux version.
This allows to #define resource in drm-kmod globally and strip some #ifdef-s
Reviewed by: hselasky, manu
MFC after: 2 weeks
Differential revision: https://reviews.freebsd.org/D31673
Add support for ACPI device probing for SDHCI controller found on Marvell chips.
Reviewed by: mw
Sponsored by: Semihalf
Differential revision: https://reviews.freebsd.org/D31600
This patch splits driver code into two seperate files sdhci_xenon.c
and sdhci_xenon_fdt.c. This will allow future implementation of ACPI
discovery of sdhci on Xenon chips.
Reviewed by: mw
Sponsored by: Semihalf
Differential revision: https://reviews.freebsd.org/D31599
The firmwares and the following changelog are from the "Chelsio Unified
Wire v3.15.0.0 for Linux."
Version : 1.26.2.0
Date : 09/24/2021
====================
FIXES
-----
BASE:
- Added support for SFP+ RJ45 (0x1C).
- Fixing backward compatibility issue with older drivers when multiple
speeds are passed to firmware.
OFLD:
- Do not touch tp_plen_max if driver is supplying tp_plen_max. This
fixes a connection reset issue in iscsi.
ENHANCEMENTS
------------
BASE:
- Firmware header modified to add firmware binary signature.
MFC after: 1 month
Sponsored by: Chelsio Communications
GCC complains about the use of alloca() with variable sizes (for XSAVE
state len) in sendsig() for i386. Modern XSAVE state is probably
getting a bit large for the i386 kstack, but downgrade the error to a
warning.
Reviewed by: kib, emaste
Differential Revision: https://reviews.freebsd.org/D31934
According to https://github.com/NuxiNL/cloudlibc:
CloudABI is no longer being maintained. It was an awesome experiment,
but it never got enough traction to be sustainable.
There is no reason to keep it in FreeBSD.
Approved by: ed (private mail)
Reviewed by: emaste
Sponsored by: The FreeBSD Foundation
Differential revision: https://reviews.freebsd.org/D31923
from machdep.c which is too large pile of unrelated things.
Some ptrace functions are moved from machdep.c to ptrace_machdep.c.
Now machdep.c contains code mostly related to the low level initialization
and regular low level operation of the architecture, while signal MD code
and registers handling is placed in exec_machdep.c.
Reviewed by: jhb, markj
Discussed with: jrtc27
Tested by: pho
Sponsored by: The FreeBSD Foundation
MFC after: 1 week
Differential revision: https://reviews.freebsd.org/D31954
Add generic mmc_helper which uses newly introduced device_*_property
api. Thanks to this change the sd/mmc drivers will be capable
of parsing both DT and ACPI description.
Ensure backward compatibility for all mmc_fdt_helper users.
Reviewed by: manu, mw
Sponsored by: Semihalf
Differential revision: https://reviews.freebsd.org/D31598
Add two files base.c and base.h to reduce the redundancy
in the silicon family code.
Remove the code duplication from e1000_82575 files.
Clean family specific functions from base.
Fix up a stray and duplicate function declaration.
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: Sasha Neftin <sasha.neftin@intel.com>
Signed-off-by: Guinan Sun <guinanx.sun@intel.com>
Reviewed-by: Wei Zhao <wei.zhao1@intel.com>
Approved by: imp
Obtained from: DPDK (44dddd14059f151f39f7e075b887decfc9a10f11)
MFC after: 1 week
When building ENA as compiled into the kernel, the driver would fail to
build. Resolve the problem by introducing the following changes:
1. Add missing `ena_rss.c` entry in `sys/conf/files`.
2. Prevent SYSCTL_ADD_INT from throwing an assert due to an extra
CTLTYPE_INT flag.
Fixes: 986e7b9227 ("ena: Move RSS logic into its own source files")
Fixes: 6d1ef2abd3 ("ena: Implement full RSS reconfiguration")
Obtained from: Semihalf
Sponsored by: Amazon, Inc.
MFC after: 1 week
ib_uverbs_flow_resources_free() is declard in two header files in
upstream OFED. Disable the warning to avoid introducing diffs to fix
the build on GCC 9.
While here, fix the ibcore module to disable the same warnings
disabled in OFED_CFLAGS.
Reviewed by: hselasky
Differential Revision: https://reviews.freebsd.org/D31943
- kern_kcov.c needs to be compiled with -fsanitize=kernel-memory when
KMSAN is configured since it calls into various other subsystems.
- Disable address and memory sanitizers in kcov(4)'s coverage sanitizer
callbacks, as they do not provide useful checking. Moreover, with
KMSAN we may otherwise get false positives since the caller (coverage
sanitizer runtime) is not instrumented.
- Disable KASAN and KMSAN interceptors in subr_coverage.c, as they do
not provide any benefit but do introduce overhead when fuzzing.
Sponsored by: The FreeBSD Foundation
The file as is is the maze of #ifdef passages, all slightly different.
Divorcing i386 and amd64 version actually makes changing the code
easier, also no changes for i386 are planned.
Reviewed by: markj
Sponsored by: The FreeBSD Foundation
MFC after: 1 week
Differential revision: https://reviews.freebsd.org/D31931
- Re-implement pcib interface to use standard pci bus driver on top of
vmd(4) instead of custom one.
- Re-implement memory/bus resource allocation to properly handle even
complicated configurations.
- Re-implement interrupt handling to evenly distribute children's MSI/
MSI-X interrupts between available vmd(4) MSI-X vectors and setup them
to be handled by standard OS mechanisms with minimal overhead, except
sharing when unavoidable.
Successfully tested on Dell XPS 13 laptop with Core i7-1185G7 CPU (VMD
device ID 0x9a0b) and single NVMe SSD, dual-booting with Windows 10.
Successfully tested on Supermicro X11DPI-NT motherboard with Xeon(R)
Gold 6242R CPUs (VMD device ID 0x201d), simultaneously handling NVMe
SSD on one PCIe port and PLX bridge with 3 NVMe and 1 AHCI SSDs on
another. Handles SSD hot-plug (except Optane 905p for some reason,
which are not detected until manual bus rescan) and enabled IOMMU
(directly connected SSDs work, but ones connected to the PLX fail
without errors from IOMMU).
MFC after: 2 weeks
Sponsored by: iXsystems, Inc.
Differential revision: https://reviews.freebsd.org/D31762
Switch the main syscall table to use CAPENABLED flags rather than
capabilities.conf. This avoid synchronization issues between
syscalls.master and capabilities.conf (e.g. when renaming a syscall
during development).
For now, move capabilities.conf to sys/compat/freebsd32 and use it
there. Use of sys/compat/freebsd32/syscalls.master should be replaced
by makesyscalls.lua enhancements to allow the main one to be used.
This change results in no changes to generated files after running
`make sysent`.
Reviewed by: kevans, emaste
MFC after: 1 week
Sponsored by: DARPA
Differential Revision: https://reviews.freebsd.org/D31350
Clang 13.0.0 now has a -Wunused-but-set-variable warning similar to the
one gcc has had for quite a while. Since this triggers *very* often for
our kernel builds, don't make it a hard error, but leave the warning
visible so is some incentive to fix the instances.
MFC after: 3 days
MANA is the new network adapter from Microsoft which will be available
in Azure public cloud. It provides SRIOV NIC as virtual function to
guest OS running on Hyper-V.
The code can be divided into two major parts. Gdma_main.c is the one to
bring up the hardware board and drives all underlying hardware queue
infrastructure. Mana_en.c contains all main ethernet driver code.
It has only tested and supported on amd64 architecture.
PR: 256336
Reviewed by: decui@microsoft.com
Tested by: whu
MFC after: 2 week
Relnotes: yes
Sponsored by: Microsoft
Differential Revision: https://reviews.freebsd.org/D31150
Add support for the KVM paravirtual clock device.
Sponsored by: Juniper Networks, Inc.
Sponsored by: Klara, Inc.
Reviewed by: kib
Differential Revision: https://reviews.freebsd.org/D29733
Make inclusion of `sys/x86/x86/pvclock.c` contingent on that of its
dependents.
Sponsored by: Juniper Networks, Inc.
Sponsored by: Klara, Inc.
Reviewed by: markj
Differential Revision: https://reviews.freebsd.org/D31417
ISA 3.0 allows for nested radix translations with minimal to no
involvement of the hypervisor. This should make pseries signficantly
faster on POWER9 pseries instances, as fewer hypercalls are needed to
manage pmap now.
MFC after: 2 weeks
Relnotes: yes
KMSAN enables the use of LLVM's MemorySanitizer in the kernel. This
enables precise detection of uses of uninitialized memory. As with
KASAN, this feature has substantial runtime overhead and is intended to
be used as part of some automated testing regime.
The runtime maintains a pair of shadow maps. One is used to track the
state of memory in the kernel map at bit-granularity: a bit in the
kernel map is initialized when the corresponding shadow bit is clear,
and is uninitialized otherwise. The second shadow map stores
information about the origin of uninitialized regions of the kernel map,
simplifying debugging.
KMSAN relies on being able to intercept certain functions which cannot
be instrumented by the compiler. KMSAN thus implements interceptors
which manually update shadow state and in some cases explicitly check
for uninitialized bytes. For instance, all calls to copyout() are
subject to such checks.
The runtime exports several functions which can be used to verify the
shadow map for a given buffer. Helpers provide the same functionality
for a few structures commonly used for I/O, such as CAM CCBs, BIOs and
mbufs. These are handy when debugging a KMSAN report whose
proximate and root causes are far away from each other.
Obtained from: NetBSD
Sponsored by: The FreeBSD Foundation
With current generation clang/llvm it can pass all of our tests in
libc/ssp.
While here, remove the extra MACHINE_CPUARCH check for mips. SSP is
included in BROKEN_OPTIONS for this architecture in src.opts.mk, which
is enough to ensure normal builds won't set SSP_CFLAGS.
Reviewed by: kevans, imp, emaste
MFC after: 2 weeks
Differential Revision: https://reviews.freebsd.org/D31400
After recent arm64 GENERIC config cleanup the ENETC MDIO
in NXP LS1028A SoC should support being loaded as a module.
Obtained from: Semihalf
Sponsored by: Alstom Group
It is found on boards equipped with LS1028A SoC.
802.1q VLAN grouping is supported.
An external MDIO device is used for communicating with PHYs.
The driver is built as a module by default, it is not included
in GENERIC kernel config.
Submitted by: Lukasz Hajec <lha@semihalf.com>
Kornel Duleba <mindal@semihalf.com>
Obtained from: Semihalf
Sponsored by: Alstom Group
Differential Revision: https://reviews.freebsd.org/D30923
Allow any 2M aligned contiguous location below 4G for the staging
area location. It should still be mapped by loader at KERNBASE.
The assumption kernel makes about loader->kernel handoff with regard to
the MMU programming are explicitly listed at the beginning of hammer_time(),
where kernphys is calculated. Now kernphys is the variable instead of
symbol designating the physical address.
Reviewed by: markj
Sponsored by: The FreeBSD Foundation
MFC after: 1 week
Differential revision: https://reviews.freebsd.org/D31121
KASAN and KCSAN implement interceptors for various primitive operations
that are not instrumented by the compiler. KMSAN requires them as well.
Rather than adding new cases for each sanitizer which requires
interceptors, implement the following protocol:
- When interceptor definitions are required, define
SAN_NEEDS_INTERCEPTORS and SANITIZER_INTERCEPTOR_PREFIX.
- In headers that declare functions which need to be intercepted by a
sanitizer runtime, use SANITIZER_INTERCEPTOR_PREFIX to provide
declarations.
- When SAN_RUNTIME is defined, do not redefine the names of intercepted
functions. This is typically the case in files which implement
sanitizer runtimes but is also needed in, for example, files which
define ifunc selectors for intercepted operations.
MFC after: 2 weeks
Sponsored by: The FreeBSD Foundation
