| Commit message (Collapse) | Author | Age | Files | Lines |
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When dumping an rman in DDB, include the RID of each resource.
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In addition to those revisions, add this change to a file that is not in
head:
sys/ia64/include/bus.h:
Guard kernel-only parts of the ia64 machine/bus.h header with
#ifdef _KERNEL.
This allows userland programs to include <machine/bus.h> to get the
definition of bus_addr_t and bus_size_t.
------------------------------------------------------------------------
r291716 | ken | 2015-12-03 15:54:55 -0500 (Thu, 03 Dec 2015) | 257 lines
Add asynchronous command support to the pass(4) driver, and the new
camdd(8) utility.
CCBs may be queued to the driver via the new CAMIOQUEUE ioctl, and
completed CCBs may be retrieved via the CAMIOGET ioctl. User
processes can use poll(2) or kevent(2) to get notification when
I/O has completed.
While the existing CAMIOCOMMAND blocking ioctl interface only
supports user virtual data pointers in a CCB (generally only
one per CCB), the new CAMIOQUEUE ioctl supports user virtual and
physical address pointers, as well as user virtual and physical
scatter/gather lists. This allows user applications to have more
flexibility in their data handling operations.
Kernel memory for data transferred via the queued interface is
allocated from the zone allocator in MAXPHYS sized chunks, and user
data is copied in and out. This is likely faster than the
vmapbuf()/vunmapbuf() method used by the CAMIOCOMMAND ioctl in
configurations with many processors (there are more TLB shootdowns
caused by the mapping/unmapping operation) but may not be as fast
as running with unmapped I/O.
The new memory handling model for user requests also allows
applications to send CCBs with request sizes that are larger than
MAXPHYS. The pass(4) driver now limits queued requests to the I/O
size listed by the SIM driver in the maxio field in the Path
Inquiry (XPT_PATH_INQ) CCB.
There are some things things would be good to add:
1. Come up with a way to do unmapped I/O on multiple buffers.
Currently the unmapped I/O interface operates on a struct bio,
which includes only one address and length. It would be nice
to be able to send an unmapped scatter/gather list down to
busdma. This would allow eliminating the copy we currently do
for data.
2. Add an ioctl to list currently outstanding CCBs in the various
queues.
3. Add an ioctl to cancel a request, or use the XPT_ABORT CCB to do
that.
4. Test physical address support. Virtual pointers and scatter
gather lists have been tested, but I have not yet tested
physical addresses or scatter/gather lists.
5. Investigate multiple queue support. At the moment there is one
queue of commands per pass(4) device. If multiple processes
open the device, they will submit I/O into the same queue and
get events for the same completions. This is probably the right
model for most applications, but it is something that could be
changed later on.
Also, add a new utility, camdd(8) that uses the asynchronous pass(4)
driver interface.
This utility is intended to be a basic data transfer/copy utility,
a simple benchmark utility, and an example of how to use the
asynchronous pass(4) interface.
It can copy data to and from pass(4) devices using any target queue
depth, starting offset and blocksize for the input and ouptut devices.
It currently only supports SCSI devices, but could be easily extended
to support ATA devices.
It can also copy data to and from regular files, block devices, tape
devices, pipes, stdin, and stdout. It does not support queueing
multiple commands to any of those targets, since it uses the standard
read(2)/write(2)/writev(2)/readv(2) system calls.
The I/O is done by two threads, one for the reader and one for the
writer. The reader thread sends completed read requests to the
writer thread in strictly sequential order, even if they complete
out of order. That could be modified later on for random I/O patterns
or slightly out of order I/O.
camdd(8) uses kqueue(2)/kevent(2) to get I/O completion events from
the pass(4) driver and also to send request notifications internally.
For pass(4) devcies, camdd(8) uses a single buffer (CAM_DATA_VADDR)
per CAM CCB on the reading side, and a scatter/gather list
(CAM_DATA_SG) on the writing side. In addition to testing both
interfaces, this makes any potential reblocking of I/O easier. No
data is copied between the reader and the writer, but rather the
reader's buffers are split into multiple I/O requests or combined
into a single I/O request depending on the input and output blocksize.
For the file I/O path, camdd(8) also uses a single buffer (read(2),
write(2), pread(2) or pwrite(2)) on reads, and a scatter/gather list
(readv(2), writev(2), preadv(2), pwritev(2)) on writes.
Things that would be nice to do for camdd(8) eventually:
1. Add support for I/O pattern generation. Patterns like all
zeros, all ones, LBA-based patterns, random patterns, etc. Right
Now you can always use /dev/zero, /dev/random, etc.
2. Add support for a "sink" mode, so we do only reads with no
writes. Right now, you can use /dev/null.
3. Add support for automatic queue depth probing, so that we can
figure out the right queue depth on the input and output side
for maximum throughput. At the moment it defaults to 6.
4. Add support for SATA device passthrough I/O.
5. Add support for random LBAs and/or lengths on the input and
output sides.
6. Track average per-I/O latency and busy time. The busy time
and latency could also feed in to the automatic queue depth
determination.
sys/cam/scsi/scsi_pass.h:
Define two new ioctls, CAMIOQUEUE and CAMIOGET, that queue
and fetch asynchronous CAM CCBs respectively.
Although these ioctls do not have a declared argument, they
both take a union ccb pointer. If we declare a size here,
the ioctl code in sys/kern/sys_generic.c will malloc and free
a buffer for either the CCB or the CCB pointer (depending on
how it is declared). Since we have to keep a copy of the
CCB (which is fairly large) anyway, having the ioctl malloc
and free a CCB for each call is wasteful.
sys/cam/scsi/scsi_pass.c:
Add asynchronous CCB support.
Add two new ioctls, CAMIOQUEUE and CAMIOGET.
CAMIOQUEUE adds a CCB to the incoming queue. The CCB is
executed immediately (and moved to the active queue) if it
is an immediate CCB, but otherwise it will be executed
in passstart() when a CCB is available from the transport layer.
When CCBs are completed (because they are immediate or
passdone() if they are queued), they are put on the done
queue.
If we get the final close on the device before all pending
I/O is complete, all active I/O is moved to the abandoned
queue and we increment the peripheral reference count so
that the peripheral driver instance doesn't go away before
all pending I/O is done.
The new passcreatezone() function is called on the first
call to the CAMIOQUEUE ioctl on a given device to allocate
the UMA zones for I/O requests and S/G list buffers. This
may be good to move off to a taskqueue at some point.
The new passmemsetup() function allocates memory and
scatter/gather lists to hold the user's data, and copies
in any data that needs to be written. For virtual pointers
(CAM_DATA_VADDR), the kernel buffer is malloced from the
new pass(4) driver malloc bucket. For virtual
scatter/gather lists (CAM_DATA_SG), buffers are allocated
from a new per-pass(9) UMA zone in MAXPHYS-sized chunks.
Physical pointers are passed in unchanged. We have support
for up to 16 scatter/gather segments (for the user and
kernel S/G lists) in the default struct pass_io_req, so
requests with longer S/G lists require an extra kernel malloc.
The new passcopysglist() function copies a user scatter/gather
list to a kernel scatter/gather list. The number of elements
in each list may be different, but (obviously) the amount of data
stored has to be identical.
The new passmemdone() function copies data out for the
CAM_DATA_VADDR and CAM_DATA_SG cases.
The new passiocleanup() function restores data pointers in
user CCBs and frees memory.
Add new functions to support kqueue(2)/kevent(2):
passreadfilt() tells kevent whether or not the done
queue is empty.
passkqfilter() adds a knote to our list.
passreadfiltdetach() removes a knote from our list.
Add a new function, passpoll(), for poll(2)/select(2)
to use.
Add devstat(9) support for the queued CCB path.
sys/cam/ata/ata_da.c:
Add support for the BIO_VLIST bio type.
sys/cam/cam_ccb.h:
Add a new enumeration for the xflags field in the CCB header.
(This doesn't change the CCB header, just adds an enumeration to
use.)
sys/cam/cam_xpt.c:
Add a new function, xpt_setup_ccb_flags(), that allows specifying
CCB flags.
sys/cam/cam_xpt.h:
Add a prototype for xpt_setup_ccb_flags().
sys/cam/scsi/scsi_da.c:
Add support for BIO_VLIST.
sys/dev/md/md.c:
Add BIO_VLIST support to md(4).
sys/geom/geom_disk.c:
Add BIO_VLIST support to the GEOM disk class. Re-factor the I/O size
limiting code in g_disk_start() a bit.
sys/kern/subr_bus_dma.c:
Change _bus_dmamap_load_vlist() to take a starting offset and
length.
Add a new function, _bus_dmamap_load_pages(), that will load a list
of physical pages starting at an offset.
Update _bus_dmamap_load_bio() to allow loading BIO_VLIST bios.
Allow unmapped I/O to start at an offset.
sys/kern/subr_uio.c:
Add two new functions, physcopyin_vlist() and physcopyout_vlist().
sys/pc98/include/bus.h:
Guard kernel-only parts of the pc98 machine/bus.h header with
#ifdef _KERNEL.
This allows userland programs to include <machine/bus.h> to get the
definition of bus_addr_t and bus_size_t.
sys/sys/bio.h:
Add a new bio flag, BIO_VLIST.
sys/sys/uio.h:
Add prototypes for physcopyin_vlist() and physcopyout_vlist().
share/man/man4/pass.4:
Document the CAMIOQUEUE and CAMIOGET ioctls.
usr.sbin/Makefile:
Add camdd.
usr.sbin/camdd/Makefile:
Add a makefile for camdd(8).
usr.sbin/camdd/camdd.8:
Man page for camdd(8).
usr.sbin/camdd/camdd.c:
The new camdd(8) utility.
Sponsored by: Spectra Logic
------------------------------------------------------------------------
r291724 | ken | 2015-12-03 17:07:01 -0500 (Thu, 03 Dec 2015) | 6 lines
Fix typos in the camdd(8) usage() function output caused by an error in
my diff filter script.
Sponsored by: Spectra Logic
------------------------------------------------------------------------
r291741 | ken | 2015-12-03 22:38:35 -0500 (Thu, 03 Dec 2015) | 10 lines
Fix g_disk_vlist_limit() to work properly with deletes.
Add a new bp argument to g_disk_maxsegs(), and add a new function,
g_disk_maxsize() tha will properly determine the maximum I/O size for a
delete or non-delete bio.
Submitted by: will
Sponsored by: Spectra Logic
------------------------------------------------------------------------
------------------------------------------------------------------------
r291742 | ken | 2015-12-03 22:44:12 -0500 (Thu, 03 Dec 2015) | 5 lines
Fix a style issue in g_disk_limit().
Noticed by: bdrewery
------------------------------------------------------------------------
Sponsored by: Spectra Logic
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ARC-1203 is supported since the latest driver update.
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Update arcmsr(4) to 1.30.00.00 in order to add support of
ARC-1203 SATA RAID controllers.
Many thanks to Areca for continuing to support FreeBSD.
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r284408:
Ensure TESTSDIR is defined before bsd.test.mk is .include'd
r289151:
Simplify netbsd-tests.test.mk
- projects/bmake and subsequent commits provide SRCTOP; there's no need to
manually specify it now.
- Compute a sane default for OBJTOP based on .OBJDIR and RELDIR. Manually
specifying this is probably no longer needed, but it persists just in case
(supporting commits will need to be made to move it out of some of the meta
.mk files).
- Compute a sane default for TESTSRC. Error out if the path cannot be found.
Sponsored by: EMC / Isilon Storage Division
r289158:
Default TESTSDIR to /usr/tests/${RELDIR:H}
When run from bin/ls/tests, for example, the value of TESTSDIR would be
${TESTSBASE}/${RELDIR:H} -> /usr/tests/bin/ls/tests/.. ->
/usr/tests/bin/ls
Document the new behavior in bsd.README.
While here, also document TESTSBASE
Relnotes: yes
Differential Revision: D1022
Sponsored by: EMC / Isilon Storage Division
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Standardize on OBJTOP in and outside of META MODE.
For stable/10 this means bringing OBJTOP support in which simplifies
MFCs.
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This is a direct commit to stable/10. It allows simpler MFCing from head where
these are being used more frequently.
Sponsored by: EMC / Isilon Storage Division
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Fix a comment typo in the code example.
PR: 203497
Submitted by: chadf@triularity.org
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Add an MLINK for m_collapse.
PR: 204205
Submitted by: avos
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Fix a typo in the CPUTYPE list.
PR: 205099
Submitted by: xxjack12xx@gmail.com
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Update the mlx5en(4) manual page.
Submitted by: Mark Bloch <markb@mellanox.com>
Sponsored by: Mellanox Technologies
Differential Revision: https://reviews.freebsd.org/D4348
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Use .Fx instead of explicitly spelling out FreeBSD
Fix several warnings reported by igor
Sponsored by: EMC / Isilon Storage Division
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Remove unused atf.test.mk variables
- ATF_BUILD_CC
- ATF_BUILD_CPP
- ATF_BUILD_CXX
- ATF_SHELL
- ATF_PREFIX
Sponsored by: EMC / Isilon Storage Division
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Add dependency to uether.
Reviewed by: hselasky
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Use more appropriate ${SHAREDIR} rather than /usr/share.
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Add more SUBDIR_PARALLEL.
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Fix building in a directory with SUBDIRs and SUBDIR_PARALLEL.
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r289289:
Fix support for building a PROG_CXX, and PROG, directly.
r290181:
Unbreak bsd.progs.mk with PROGS (but not PROGS_CXX) and when invoking the
"one of many" targets, e.g. `make hello_world`, where hello_world is a C
program
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r289286:
Follow-up r288218 by ensuring common objects are built before recursing.
r291338:
Fix the "common object" handling to not depend on ".o" if SRCS only
contains headers.
r291340:
Follow-up r291338 to handle .d, .y and .l files better as well.
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r289870:
Add bsd.crunchgen.mk to bsd.README.
r289871:
Sort properly.
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Document that we use {} for variable expansion.
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Fix wrong use of .for; the iteration variable is not used in the loop.
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Remove excess .else
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r289360:
Add temporary workaround for .MAKE being applied to _worldtmp, since
r251750.
r289361:
Consider top-level targets to be .PHONY as bmake won't build them otherwise
if a file with the same name is found in the directory.
r289378:
Mark sub-make targets as .MAKE and .PHONY to handle -n and always-build
properly.
r289430:
Remove .MAKE from targets that do more than just run sub-makes, such as
calling rm or mtree.
r289605:
Add missing .PHONY for parallel subdir target.
r289676:
Add some missing '+', .MAKE, and .PHONY modifiers.
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r284527 (by imp):
Update style.9 to reflect consensus on developer's mailing list
allowing redundant braces.
Differential Revision: https://reviews.freebsd.org/D2842
r284528 (by imp):
Bump date.
Submitted by: Xin Li
r284608 (by imp):
Back out contested change until dispute is resolved. This proved to be
more contentious than I expected.
r285219 (by imp):
The results of the vote are in. This reflects that vote. Single
line statements inside of braces is recognized as an acceptable
style.
http://reviews.freebsd.org/V3
As always, this isn't license for wholesale change, etc.
r291166:
Recommend cc -Wall instead of gcc -Wall
r291167:
Bump .Dd
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r285118 (by jmmv):
Add missing shebang
Plain test programs are not preprocessed by the build system (as opposed to
ATF test cases, which automatically gain a shebang pointing at atf-sh), so
we must take care of providing the shebang ourselves.
I'm not sure why this was not causing problems with Kyua 0.11, but the
upcoming 0.12 release chokes on this particular issue.
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Now target mode works for all supported FC adapters except ancient 2100,
which is not tested.
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Hacks to enable target mode there complicated code, while didn't really
work. And for outdated hardware fixing it is not really interesting.
Initiator mode tested with Qlogic 1080 adapter is still working fine.
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Add API to obtain primary enclosure name and ID for /dev/sesX devices.
sesX device number may change between reboots, so to properly identify
the instance we need more data. Name and ID reported here may mach ones
reported by SCSI device, but that is not really required by specs.
Sponsored by: iXsystems, Inc.
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Add the mlx5 and mlx5en modules to the i386 and amd64 kernel builds by
default and add a manual page for mlx5en. The mlx5 module contains
shared code for both infiniband and ethernet. The mlx5en module
contains specific code for ethernet functionality only. A mlx5ib
module is in the works for infiniband support.
Supported hardware:
- ConnectX-4: 10/20/25/40/50/56/100Gb/s speeds.
- ConnectX-4 LX: 10/25/40/50Gb/s speeds (low power consumption)
Refer to the mlx5en(4) manual page for a comprehensive list.
The team porting the mlx5 driver(s) to FreeBSD:
- Hans Petter Selasky <hselasky@freebsd.org>
- Oded Shanoon <odeds@mellanox.com>
- Meny Yossefi <menyy@mellanox.com>
- Shany Michaely <shanim@mellanox.com>
- Shahar Klein <shahark@mellanox.com>
- Daria Genzel <dariaz@mellanox.com>
- Mark Bloch <markb@mellanox.com>
Differential Revision: https://reviews.freebsd.org/D4163
Sponsored by: Mellanox Technologies
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Add NO_WERROR and WARNS to PROG_OVERRIDE_VARS for bsd.prog.mk compatibility
Sponsored by: EMC / Isilon Storage Division
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Update authors' contact info and fix grammar bugs.
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Integrate the tests from lib/libarchive, usr.bin/cpio, and usr.bin/tar in to
the FreeBSD test suite
functional_test.sh was ported from bin/sh/tests/functional_test.sh, as a
small wrapper around libarchive_test, bsdcpio_test, and bsdtar_test provided
by upstream.
A handful of testcases in lib/libarchive/tests have been disabled as they
were failing when run with kyua test (see BROKEN_TESTS in
lib/libarchive/tests/Makefile)
As a sidenote: this removes the check/test targets from the Makefiles as they
don't match the pattern used in the rest of the FreeBSD test suite.
Sponsored by: EMC / Isilon Storage Division
Conflicts:
lib/libarchive/test
usr.bin/cpio/test
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r290659:
- Move ng_bluetooth.4 under MK_BLUETOOTH != no
- Move all section 5 bluetooth manpages under MK_BLUETOOTH != no
PR: 193260
Reported by: Philippe Michel <philippe.michel7@sfr.fr>
Sponsored by: EMC / Isilon Storage Division
r290660:
Move the MK_BLUETOOTH block down below the architecture specific sections by the
other generic options
PR: 193260
Sponsored by: EMC / Isilon Storage Divisions
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remove \, it confuses things.
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Additional PCI helper functions.
290414:
Add helper routines for PCI device drivers to read, write, and modify
PCI-Express capability registers (that is, PCI config registers in the
standard PCI config space belonging to the PCI-Express capability
register set).
Note that all of the current PCI-e registers are either 16 or 32-bits,
so only widths of 2 or 4 bytes are supported.
290415:
Add a new helper function for PCI devices to locate the upstream
PCI-express root port of a given PCI device.
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Add sysctl to control LACP strict compliance default
Sponsored by: Multiplay
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r289913:
Use 't' (bits) not 'i' (bytes) for describing MRIE (aka
"Method of Reporting Informational Exceptions") in the SCSI mode database as
the field described in X3T10/94-190 (revision 4; page 2, table 1) [1.] is
4 bits wide, not 4 bytes wide
1. http://ftp.t10.org/ftp/t10/document.94/94-190r4.pdf
Bug 200619
Reported by: Michael Baptist <mbaptist@isilon.com>
Submitted by: Lars Skodje <lskodje@isilon.com>
Sponsored by: EMC / Isilon Storage Division
r289916:
Limit RESOLUTION_MAX to INT_MAX, not UINT_MAX (all spelled out) so the
mode value isn't always clipped to -1 when (resolution * size) == 32, which
would have been the case with values => {4i,32b,32t}.
This seems to have been broken in r64382.
PR: 200619
Reported by: Michael Baptist
Submitted by: Lars Skodje
Sponsored by: EMC / Isilon Storage Division
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Replace references to /dev/acd0 with /dev/cd0
atapicd(4) was replaced by cd(4) with the atacam work done by
mav@ and then removed in r249083
X-MFC to: stable/10
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Add encoding for mime-types.
Fix short month names and replace %b with %_m in date_fmt for Chinese
locales.
When using a Chinese locale, such as zh_TW.UTF-8 or zh_CN.UTF-8,
nl_langinfo(ABMON_*) only returned numbers. For instance,
nl_langinfo(ABMON_1) returns 1, nl_langinfo(ABMON_2) returns 2, and
so on.
This causes problems in applications that put the short month name
and the day of the month together. For example, 'Apr 14' in English
becomes '414日' in Chinese on the top bar of GNOME Shell.
This problem may be resolved by appending '月' to all short month
names and replacing %b with %_m in date_fmt. ja_JP.UTF-8 already
does this, and this matches the en_US.ISO8859-1 behavior, which
returns 'Oct'. The GNU C Library also returns values with '月'
appended.
PR: 199441
Submitted by: Ting-Wei Lan <lantw44 gmail com>
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Join excessive split lines.
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Clang emits SSE instructions on amd64 in the common path of
pthread_mutex_unlock. If the thread does not otherwise use SSE,
this usage incurs a context-switch of the FPU/SSE state, which
reduces the performance of multiple real-world applications by a
non-trivial amount (3-5% in one application).
Instead of this change, I experimented with eagerly switching the
FPU state at context-switch time. This did not help. Most of the
cost seems to be in the read/write of memory--as kib@ stated--and
not in the #NM handling. I tested on machines with and without
XSAVEOPT.
One counter-argument to this change is that most applications already
use SIMD, and the number of applications and amount of SIMD usage
are only increasing. This is absolutely true. I agree that--in
general and in principle--this change is in the wrong direction.
However, there are applications that do not use enough SSE to offset
the extra context-switch cost. SSE does not provide a clear benefit
in the current libthr code with the current compiler, but it does
provide a clear loss in some cases. Therefore, disabling SSE in
libthr is a non-loss for most, and a gain for some.
I refrained from disabling SSE in libc--as was suggested--because
I can't make the above argument for libc. It provides a wide variety
of code; each case should be analyzed separately.
https://lists.freebsd.org/pipermail/freebsd-current/2015-March/055193.html
Suggestions from: dim, jmg, rpaulo
Sponsored by: Dell Inc.
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Install share/zoneinfo in a deterministic way by sorting the results from find
This helps produce deterministic METALOG output
PR: 200674
Submitted by: Fabian Keil <fk@fabiankeil.de>
Reviewed by: emaste
Obtained from: ElectroBSD
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r288295:
Posthumously remove all references to MFREE(9)
The macro was removed in r90227
Sponsored by: EMC / Isilon Storage Division
r288298:
Remove MLINKS to more non-existent mbuf(9) macros
Sponsored by: EMC / Isilon Storage Division
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Reap MK_SYSINSTALL
It's no longer in use in the tree (most likely missed when sade/sysinstall
were removed)
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Remove ALLOW_DEPRECATED_ATF_TOOLS/ATFFILE support from atf.test.mk
The legacy atf tools were removed in atf 0.20
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