The PCIOCLISTVPD ioctl on /dev/pci is used to fetch a list of VPD
key-value pairs for a specific PCI function. It is used by
'pciconf -l -V'. The list is stored in a userland-supplied buffer as
an array of variable-length structures where the key and data length
are stored in a fixed-size header followed by the variable-length
value as a byte array. To facilitate walking this array in userland,
<sys/pciio.h> provides a PVE_NEXT() helper macro to return a pointer
to the next array element by reading the the length out of the current
header and using it to compute the address of the next header.
To simplify the implementation, the ioctl handler was also using
PVE_NEXT() when on the user address of the user buffer to compute the
user address of the next array element. However, the PVE_NEXT() macro
when used with a user address was reading the value's length by
indirecting the user pointer. The value was ready after the current
record had been copied out to the user buffer, so it appeared to work
on architectures where user addresses are directly dereferencable from
the kernel (all but powerpc and i386 after the 4:4 split). The recent
enablement of SMAP on amd64 caught this violation however. To fix,
add a variant of PVE_NEXT() for use in the ioctl handler that takes an
explicit value length.
Reported by: Jeffrey Pieper @ Intel
Reviewed by: kib
Approved by: re (gjb)
MFC after: 1 week
Differential Revision: https://reviews.freebsd.org/D16800
Previously lualoader would remain silent, rather than printing
command_errmsg or noting that a command had failed or was not found.
Approved by: re (gjb)
r337776 started hashing the fragments into buckets for faster lookup.
The hashkey is larger than intended. This results in random stack data being
included in the hashed data, which in turn means that fragments of the same
packet might end up in different buckets, causing the reassembly to fail.
Set the correct size for hashkey.
PR: 231045
Approved by: re (kib)
MFC after: 3 days
Remove the PNP info for the moment from the driver. It's an
experimental driver (as noted in r328150). It's performance is about
1/10th that of aesni. It will often panic when used with GELI (PR
2279820). It's not in our best interest to have such a driver be
autoloaded by default.
Approved by: re@ (rgrimes)
Reviewed By: cem@
Differential Review: https://reviews.freebsd.org/D16959
lualoader has moved to a model where the user is expected to disable color
as desired, rather than disabling it automatically for serial boots, due to
more wide-spread support for color sequences.
In a similar vain, though also to reduce special cases, lualoader no
longer disables the beastie menu automatically for !x86. This was done in
Forth land with a different loader.rc that simply didn't invoke the menu
routines, thus wasn't necessary.
This set of changes puts release images back to how they would've been
experienced prior to the switch to Lua.
Approved by: re (rgrimes)
Same as r333305, with Linux 4.17 dts the compatible for the prcm added
'simplebus', it mean that the simplebus driver will attach to it
at the BUS_PASS_BUS pass.
Change the pass for the prcm driver to be at BUS_PASS_BUS so we will win
the attach.
This introduce a problem as this driver needs the omap_scm one to be already
attached. omap_scm also attach at BUS_PASS_BUS but after the prcm one as it is
after in the dtb and the simplebus driver simpy walk the tree to attach it's
children.
Use the bus_new_pass method to defer the frequencies read at BUS_PASS_TIMER.
This fixes booting on pandaboard
Approved by: re (rgrimes)
It is used by a number of applications, notably top(1).
Reported by: netchild
Reviewed by: allanjude
Approved by: re (delphij)
Sponsored by: The FreeBSD Foundation
Differential Revision: https://reviews.freebsd.org/D16943
Resetting to the default color scheme was done prior to reading the config.
This is bogus; colors may only be declined by the user with the
loader.conf(5) variable "loader_color", so such a request for no color will
not be completely honored as we reset to the default color scheme
unconditionally.
Approved by: re (rgrimes)
Don't just exit when encountering the 'q' command if we edit file
inplace, and give mf_fgets() a chance to actually handle the
inplace case.
Also add a regression test.
Submitted by: Yuri Pankov <yuripv@yuripv.net>
Approved by: re (kib)
MFC after: 1 week
Differential Revision: https://reviews.freebsd.org/D16798
The MP ring may have txq pointers enqueued. Previously, these were
passed to m_free() when IFC_QFLUSH was set. This patch checks for
the value and doesn't call m_free().
Reviewed by: gallatin
Approved by: re (gjb)
Sponsored by: Limelight Networks
Differential Revision: https://reviews.freebsd.org/D16882
Fix the build of the GENERIC-MMCCAM kernel config after the sdhci_xenon
driver was commited.
While here correct sdhci_fdt and tegra_sdhci, even with MMCCAM they do
need to depend on sdhci(4)
Reported by: Reshetnikov Dmitriy <genserg@hotmail.com>
Approved by: re (kib)
Sponsored by: Rubicon Communications, LLC ("NetGate")
Exposing max_offset and min_offset defines in public headers is
causing clashes with variable names, for example when building QEMU.
Based on the submission by: royger
Reviewed by: alc, markj (previous version)
Sponsored by: The FreeBSD Foundation (kib)
MFC after: 1 week
Approved by: re (marius)
Differential revision: https://reviews.freebsd.org/D16881
database (apropos, man -k). This commit Replaces .SS with .SH,
similar to the man page provided by original heimdal (as in port).
PR: 230573
Submitted by: yuripv@yuripv.net
Approved by: re (rgrimes@)
MFC after: 3 days
properly in a couple of places in the driver.
Submitted by: Krishnamraju Eraparaju @ Chelsio
Approved by: re@ (rgrimes@)
Sponsored by: Chelsio Communications
Previously, x86 used static ranges of IRQ values for different types
of I/O interrupts. Interrupt pins on I/O APICs and 8259A PICs used
IRQ values from 0 to 254. MSI interrupts used a compile-time-defined
range starting at 256, and Xen event channels used a
compile-time-defined range after MSI. Some recent systems have more
than 255 I/O APIC interrupt pins which resulted in those IRQ values
overflowing into the MSI range triggering an assertion failure.
Replace statically assigned ranges with dynamic ranges. Do a single
pass computing the sizes of the IRQ ranges (PICs, MSI, Xen) to
determine the total number of IRQs required. Allocate the interrupt
source and interrupt count arrays dynamically once this pass has
completed. To minimize runtime complexity these arrays are only sized
once during bootup. The PIC range is determined by the PICs present
in the system. The MSI and Xen ranges continue to use a fixed size,
though this does make it possible to turn the MSI range size into a
tunable in the future.
As a result, various places are updated to use dynamic limits instead
of constants. In addition, the vmstat(8) utility has been taught to
understand that some kernels may treat 'intrcnt' and 'intrnames' as
pointers rather than arrays when extracting interrupt stats from a
crashdump. This is determined by the presence (vs absence) of a
global 'nintrcnt' symbol.
This change reverts r189404 which worked around a buggy BIOS which
enumerated an I/O APIC twice (using the same memory mapped address for
both entries but using an IRQ base of 256 for one entry and a valid
IRQ base for the second entry). Making the "base" of MSI IRQ values
dynamic avoids the panic that r189404 worked around, and there may now
be valid I/O APICs with an IRQ base above 256 which this workaround
would incorrectly skip.
If in the future the issue reported in PR 130483 reoccurs, we will
have to add a pass over the I/O APIC entries in the MADT to detect
duplicates using the memory mapped address and use some strategy to
choose the "correct" one.
While here, reserve room in intrcnts for the Hyper-V counters.
PR: 229429, 130483
Reviewed by: kib, royger, cem
Tested by: royger (Xen), kib (DMAR)
Approved by: re (gjb)
MFC after: 2 weeks
Differential Revision: https://reviews.freebsd.org/D16861
With GNU ifuncs, multiple FBT probes may correspond to the same
instruction. fbt_invop() assumed that this could not happen and
would return after the first probe found in the global FBT hash
table, which might not be the one that's enabled. Fix the problem
on x86 by linking probes that share a tracepoint and having each
linked probe fire when the tracepoint is hit.
PR: 230846
Approved by: re (gjb)
Sponsored by: The FreeBSD Foundation
Differential Revision: https://reviews.freebsd.org/D16921
table allocation.
At the time that mp_bootaddress() is called, phys_avail[] array does
not reflect some memory reservations already done, like kernel
placement. Recent changes to DMAP protection which make kernel text
read-only in DMAP revealed this, where on some machines AP boot page
tables selection appears to intersect with the kernel itself.
Fix this by checking the addresses selected using the same algorithm
as bootaddr_rwx(). Also, try to chomp pages for the page table not
only at the start of the contiguous range, but also at the end. This
should improve robustness when the only suitable range is already
consumed by the kernel.
Reported and tested by: Michael Gmelin <freebsd@grem.de>
Reviewed by: jhb
MFC after: 1 week
Sponsored by: The FreeBSD Foundation
Approved by: re (gjb)
Differential revision: https://reviews.freebsd.org/D16907
The ip/ipv6 header files are included only if the appropriate definition
exists, but the driver was missing similar checks when using the
ip and ip6_hdr structures.
If the kernel was not built with the INET or INET6 option, the driver
was preventing kernel from being built.
To fix that, the missing ifdef checks were added to the driver.
PR: Bug 230886
Submitted by: Michal Krawczyk <mk@semihalf.com>
Reported by: O. Hartmann
Approved by: re (gjb)
Obtained from: Semihalf
MFC after: 1 week
Sponsored by: Amazon, Inc.
This code works for some people, but hasn't been updated in a long
time. Still allow people to use this code for the moment, but put a
big, nasty obsolete message to inform and encourage people to move to
the port.
Approved by: re@ (gjb)
Differential Review: https://reviews.freebsd.org/D16894
Make the building of drm dependent on MK_MODULE_DRM and the building
of module drm2 on MK_MODULE_DRM2. The defaults are unchanged.
Approved by: re@ (gjb)
Differential Review: https://reviews.freebsd.org/D16894
hostapd requires libpcap, which links against libmlx5 and libibverbs when
building WITH_OFED. These were not pulled in to bsdbox and most bsdbox
builds were WITHOUT_OFED up until recently, so it was not noticed.
Approved by: re (gjb)
Similar to how the IPv4 code will reject an IPv6 LB group,
we must ignore IPv4 LB groups when looking up an IPv6
listening socket. If this is not done, a port only match
may return an IPv4 socket, which causes problems (like
sending IPv6 packets with a hopcount of 0, making them unrouteable).
Thanks to rrs for all the work to diagnose this.
Approved by: re (rgrimes)
Sponsored by: Netflix
Differential Revision: https://reviews.freebsd.org/D16899
Lua has a few places where it allocates a large buffer on the stack. This
is normally fine, except there are a few places where there can be multiple
frames with this buffer. This can cause a stack overflow on some arm64 SoCs.
Fix this by allocating our own stack in loader.efi large enough for these
objects. The required size has been found by tracing how the stack pointer
changes in a virtual machine and found to be no larger than 50kB. A
larger stack is allocated to reduce the likelihood of overflow from future
changes.
Reviewed by: kevans
Approved by: re (kib)
Differential Revision: https://reviews.freebsd.org/D16886
Previously we have been lucky where the state was already in r0, however
this is not guaranteed. Use the passed in register as the location to
store the upper half of the arm VFP registers rather than relying on it
being r0.
Approved by: re (kib)
Users of arc4random(3) should never call them directly.
All ports tree usage was fixed as part of bug 230756.
Relnotes: yes
Approved by: re (marius), exp-run (bug 230756 by portmgr antoine)
For users who have a seperate zfs mount of /usr or /usr/lib, this will
cause dynamic loading failures when attempting to execute zfs mount on
bootup. E.g. the system won't boot.
Including <src.opts.mk> sets SHLIBDIR, so SHLIBDIR?= has no
effect. The other lib/ Makefiles solve this problem by moving the
SHLIBDIR assignment to before .include <src.opts.mk>.
Submitted by: jilles
Reviewed by: allanjude
Approved by: re (rgrimes)
Differential Revision: https://reviews.freebsd.org/D16910
given in random(4).
This includes updating of the relevant man pages, and no-longer-used
harvesting parameters.
Ensure that the pseudo-unit-test still does something useful, now also
with the "other" algorithm instead of Yarrow.
PR: 230870
Reviewed by: cem
Approved by: so(delphij,gtetlow)
Approved by: re(marius)
Differential Revision: https://reviews.freebsd.org/D16898
the probing and attaching of the PS/2 mouse (not present on EC2) and
keyboard (emulated, but not accessible via EC2).
Note that we disable atkbd0 separately even though during device probing
it shows up as a child of atkbdc0; this is necessary because the device
is also initialized during the early console setup from hammer_time.
This change cuts the kernel boot time on an EC2 c5.4xlarge instance from
7259ms down to 4727 ms.
Approved by: re (marius)
