Linux 2.6.26 introduced 64-bit capability sets. Extend our stub
implementation to handle both 32- and 64-bit. (We still report no
capabilities in capget, and disallow any in capset.)
Reviewed by: chuck
Sponsored by: Turing Robotic Industries Inc.
Differential Revision: https://reviews.freebsd.org/D15887
Unlike SD cards, that publish RCA in response to CMD3,
MMC cards expect the host to set RCA itself.
Since we don't support multiple MMC cards on the bus,
just assign a static RCA of 2 to the attached MMC card.
Approved by: imp (mentor)
Differential Revision: https://reviews.freebsd.org/D13063
Regulator framework doens't like turning off already turned off
regulators, so we get panic on AllWinner boards.
Approved by: imp (mentor)
Differential Revision: https://reviews.freebsd.org/D15890
Lower layers (MMC / SDHCI controller drivers) may make certain decisions
based on the presence of this flag. The fact that sdhci.c doesn't
look at this flag is another problem that should be fixed separately.
Found when adding MMCCAM support to AllWinner MMC controller driver
where the presence of this flag actually matters.
Approved by: imp (mentor)
Differential Revision: https://reviews.freebsd.org/D15888
we started playing with the VNET sets. This
way we have verified the INP settings before
we go to the trouble of de-referencing it.
Reviewed by: and suggested by lstewart
Sponsored by: Netflix Inc.
ixlvc.c is only used by the VF driver (ixlv), and that driver currently doesn't work.
It will be re-added once the VF driver is finished being ported to iflib.
- Convert inpcbinfo info & hash locks to epoch for read and mutex for write
- Garbage collect code that handled INP_INFO_TRY_RLOCK failures as
INP_INFO_RLOCK which can no longer fail
When running 64 netperfs sending minimal sized packets on a 2x8x2 reduces
unhalted core cycles samples in rwlock rlock/runlock in udp_send from 51% to
3%.
Overall packet throughput rate limited by CPU affinity and NIC driver design
choices.
On the receiver unhalted core cycles samples in in_pcblookup_hash went from
13% to to 1.6%
Tested by LLNW and pho@
Reviewed by: jtl
Sponsored by: Limelight Networks
Differential Revision: https://reviews.freebsd.org/D15686
can time out if it's backed up due to a non-stop deluge of PAUSE frames
from a misbehaving peer. Detect this situation and toggle MPS TxEn
to allow forward progress.
MFC after: 2 weeks
Sponsored by: Chelsio Communications
Add macros for R12A_RXDMA_PRO register (descriptions were seen in the
RTL8822B vendor driver) and merge 2 r21au_init_burstlen() copies.
No functional change intended.
The nvlist_append_{bool,number,string,nvlist,descriptor}_array() functions
allows to dynamically extend array stored in the nvlist.
Submitted by: Mindaugas Rasiukevicius <rmind@netbsd.org>
When we are removing element form the nvlist we should also clean parent,
because the array is not a part of the nvlist anymore.
Submitted by: Mindaugas Rasiukevicius <rmind@netbsd.org>
All information which are need for those operations is already stored in
the cookie.
We decided not to bump libnv version because this API is not used yet in the
base system.
Reviewed by: pjd
Update the driver to use iflib in order to bring performance,
maintainability, and (hopefully) stability benefits to the driver.
The driver currently isn't completely ported; features that are missing:
- VF driver (ixlv)
- SR-IOV host support
- RDMA support
The plan is to have these re-added to the driver before the next FreeBSD release.
Reviewed by: gallatin@
Contributions by: gallatin@, mmacy@, krzysztof.galazka@intel.com
Tested by: jeffrey.e.pieper@intel.com
MFC after: 1 month
Sponsored by: Intel Corporation
Differential Revision: https://reviews.freebsd.org/D15577
This provides stub implementations of arm64 Linux vdso and machdep,
ptrace, and futex sufficient for executing an arm64 Linux 'hello world'
binary.
Reviewed by: andrew
Sponsored by: Turing Robotic Industries
Differential Revision: https://reviews.freebsd.org/D15832
- In iflib_msix_init(), VMMs with broken MSI-X activation are trying
to be worked around by manually enabling PCIM_MSIXCTRL_MSIX_ENABLE
before calling pci_alloc_msix(9). Apart from constituting a layering
violation, this has the problem of leaving PCIM_MSIXCTRL_MSIX_ENABLE
enabled when falling back to MSI or INTx when e. g. MSI-X is black-
listed and initially also when disabled via hw.pci.enable_msix. The
later in turn was incorrectly worked around in r325166.
Since r310806, pci(4) itself has code to deal with broken MSI-X
handling of VMMs, so all of these workarounds in iflib(9) can go,
fixing non-working interrupts when falling back to MSI/INTx. In
any case, possibly further adjustments to broken MSI-X activation
of VMMs like enabling r310806 by default in VM environments need to
be placed into pci(4), not iflib(9). [1]
- Also remove the pci_enable_busmaster(9) call from iflib_msix_init(),
which is already more properly invoked from iflib_device_attach().
- When falling back to MSI/INTx, release the MSI-X BAR resource again.
- When falling back to INTx, ensure scctx->isc_vectors is set to 1 and
not to something higher from a device with more than one MSI message
supported.
- Make the nearby ring_state(s) stuff (static) const.
Discussed with: jhb at BSDCan 2018 [1]
Reviewed by: imp, jhb
Differential Revision: https://reviews.freebsd.org/D15729
Casting from rman_res_t to a pointer results in "cast to pointer from
integer of different size" warnings with base gcc on i386, so use an
intermediate cast to uintptr_t to suppress it. In this case, the I/O
port range is effectively limited to the range of 0..65535.
Reviewed by: imp
MFC after: 3 days
Differential Revision: https://reviews.freebsd.org/D15746
Add a few intermediate casts to intptr_t to suppress "cast to pointer
from integer of different size" warnings from gcc. In this case, the
'arg2' part of SYSCTL_HANDLER_ARGS is used to pass in a pointer, via an
intermediate intmax_t, so no information is lost.
Reviewed by: avg
MFC after: 3 days
Differential Revision: https://reviews.freebsd.org/D15725
The Flexible File layout LayoutReturn operation has argument fields where
an I/O error encountered when attempting I/O on a DS can be reported back
to the MDS.
This patch adds code to the client to do this for the Flexible File layout
mirrored case.
This patch should only affect mounts using the "pnfs" option against servers
that support the Flexible File layout.
MFC after: 2 weeks
Normally "soft,retrans=2" cannot be safely used on NFSv4 mounts, since
the RPC can fail and leave the open/lock state in an undefined state.
Doing I/O on a pNFS DS is an exception to this, since no open/lock state
is maintained on the DS server.
It is useful to do "soft,retrans=2" connections to a DS when it is mirrored,
so that the client can detect failure of the DS. As such, mounts from the MDS
to the DSs should use these mount options when mirroring is enabled.
However, the NFSv4.1 client still leaves the session in an undefined state
when this happens.
This patch fixes the problem by setting the session defunct, so it will
no longer be used.
The patch also sets "retries=2" on the connections done by the client to
a DS, which is the internal equivalent of "soft,retrans=2".
The client does not know if the server implements mirroring at connection
time, but always doing this should be safe, since it will fall back on doing
I/O via the MDS as a proxy when there is a failure doing an I/O RPC to the DS.
This patch should not affect non-pNFS client mounts.
MFC after: 2 weeks
Using of rwlock with multiqueue NICs for IP forwarding on high pps
produces high lock contention and inefficient. Rmlock fits better for
such workloads.
Reviewed by: melifaro, olivier
Obtained from: Yandex LLC
Sponsored by: Yandex LLC
Differential Revision: https://reviews.freebsd.org/D15789
For most regulators, the regulator_stop() method can be transformed to
regulator disable. But, in some cases, we needs to maintain shared data
across multiple regulators (e.g. single GPIO pin which works as enable
for multiple regulates). In this case, the implementation of regulator
should perform his own enable counting therefore it is necessary to
distinguish between the regulator enable/disable method (which
increments/decrements enable counter for shared resource) and regulator
stop method (which don't affect it).
So:
- add regnode_stop() method to regulator framework and default it to
regnode_enable(..., false, ...)
- implement it in regulator_fixed with proper enable counting.
While I'm in, also fix handling of always_on property. If any of regulators
sharing same GPIO pin have it enabled, then none of them can disable regulator.
Tested by: kevans
MFC after: 3 weeks
counter_rate will be greater than ticks, resulting in counter_ratecheck()
failure. To fix this take an absolute value of the difference between
ticks and cr_ticks.
Reported by: jtl
Sponsored by: Netflix
of descriptors processed. Add the ability to gather a certain maximum
number of frames in the driver's rx before waking up netmap rx. If
there aren't enough frames then netmap rx will be woken up as usual.
hw.cxgbe.nm_rx_nframes
Sponsored by: Chelsio Communications
The kerneldumpheader ABI is used by at least the netdumpd port. Bump
__FreeBSD_version to reflect the change.
Reported by: markj
Sponsored by: Dell EMC Isilon
