Commit Graph

197681 Commits

Author SHA1 Message Date
Stephen McConnell
ef065d89e9 - Updated all files with 2015 Avago copyright, and updated LSI's copyright
dates.

- Changed all of the PCI device strings from LSI to Avago Technologies (LSI).

- Added a sysctl variable to control how StartStopUnit behavior works. User can
  select to spin down disks based on if disk is SSD or HDD.

- Inquiry data is required to tell if a disk will support SSU at shutdown or
  not. Due to the addition of mpssas_async, which gets Advanced Info but not
  Inquiry data, the setting of supports_SSU was moved to the
  mpssas_scsiio_complete function, which snoops for any Inquiry commands. And,
  since disks are shutdown as a target and not a LUN, this process was
  simplified by basing it on targets and not LUNs.

- Added a sysctl variable that sets the amount of time to retry after sending a
  failed SATA ID command. This helps with some bad disks and large disks that
  require a lot of time to spin up. Part of this change was to add a callout to
  handle timeouts with the SATA ID command. The callout function is called
  mpssas_ata_id_timeout(). (Fixes PR 191348)

- Changed the way resets work by allowing I/O to continue to devices that are
  not currently under a reset condition. This uses devq's instead of simq's and
  makes use of the MPSSAS_TARGET_INRESET flag. This change also adds a function
  called mpssas_prepare_tm().

- Some changes were made to reduce code duplication when getting a SAS address
  for a SATA disk.

- Fixed some formatting and whitespace.

- Bump version of mps driver to 20.00.00.00-fbsd

PR:		191348
Reviewed by:	ken, scottl
Approved by:	ken, scottl
MFC after:	2 weeks
2015-02-24 22:07:42 +00:00
Nathan Whitehorn
827cc9b981 New pmap implementation for 64-bit PowerPC processors. The main focus of
this change is to improve concurrency:
- Drop global state stored in the shadow overflow page table (and all other
  global state)
- Remove all global locks
- Use per-PTE lock bits to allow parallel page insertion
- Reconstruct state when requested for evicted PTEs instead of buffering
  it during overflow

This drops total wall time for make buildworld on a 32-thread POWER8 system
by a factor of two and system time by a factor of three, providing performance
20% better than similarly clocked Core i7 Xeons per-core. Performance on
smaller SMP systems, where PMAP lock contention was not as much of an issue,
is nearly unchanged.

Tested on:	POWER8, POWER5+, G5 UP, G5 SMP (64-bit and 32-bit kernels)
Merged from:	user/nwhitehorn/ppc64-pmap-rework
Looked over by:	jhibbits, andreast
MFC after:	3 months
Relnotes:	yes
Sponsored by:	FreeBSD Foundation
2015-02-24 21:37:20 +00:00
Navdeep Parhar
1c468ed975 cxgbe(4): allow tx hardware checksumming on the netmap interface.
It is disabled by default but users can set IFCAP_TXCSUM on the
netmap ifnet (ifconfig ncxl0 txcsum) to override netmap and force
the hardware to calculate and insert proper IP and L4 checksums in
outbound frames.

MFC after:	2 weeks
2015-02-24 21:31:13 +00:00
Glen Barber
4e4c42d607 Remove a stale comment.
MFC after:	1 week
X-MFC-with:	r279249
Sponsored by:	The FreeBSD Foundation
2015-02-24 21:16:57 +00:00
Glen Barber
0e44fa6c1c Add 'cloudware-install' target to handle copying cloud
disk images to a directory within DESTDIR.

Add CLOUDINSTALL variable to automatically generate the
actual list of install targets.  While here, rename the
cloud-specific names from 'vm-' to 'cw-' to avoid naming
collisions.

Add AZURE_DISK, GCE_DISK, and OPENSTACK_DISK output file
variables.

Add 'cloudware-install' to the 'install' target.

MFC after:	1 week
Sponsored by:	The FreeBSD Foundation
2015-02-24 21:06:25 +00:00
Ed Maste
5dd72ff561 Unconditionally install debug directory hierarchy
This avoids various failure modes (e.g., when building and installing a
single binary with debug data on a system that otherwise does not have
it enabled).

It is also consistent with the way other directory hierarchies are
handled (e.g. share/man).

Reviewed by:	imp
Differential Revision:	https://reviews.freebsd.org/D1962
2015-02-24 19:27:51 +00:00
Simon J. Gerraty
2ad4692912 If sys.mk were found via the magic path .../share/mk
replace it with the absolute path of .PARSEDIR, so that sub-makes
launched from objdirs (eg kernel) can still find the correct mk files.

Reviewed by:	obrien
2015-02-24 19:03:31 +00:00
Navdeep Parhar
1605bac6fb cxgbe(4): set up congestion management for netmap rx queues.
The hw.cxgbe.cong_drop knob controls the response of the chip when
netmap queues are congested.
2015-02-24 18:40:10 +00:00
Navdeep Parhar
b91cbdda76 cxgbe(4): do not set the netmap rxq interrupts on a hair-trigger.
MFC after:	2 weeks
2015-02-24 18:32:17 +00:00
Navdeep Parhar
b46fad7b6a cxgbe(4): wait for the hardware to catch up before destroying a netmap txq.
MFC after:	2 weeks
2015-02-24 18:22:24 +00:00
Navdeep Parhar
f8e30f9cf1 cxgbe(4): request an automatic tx update when a netmap txq idles.
MFC after:	2 weeks
2015-02-24 18:19:25 +00:00
Hans Petter Selasky
73e12bc91f Pass macro arguments properly.
MFC after:	1 week
2015-02-24 17:36:44 +00:00
Hans Petter Selasky
9090a24aed Fix order of arguments in the TRACEBUF_INITIALIZER macro so that we
can define QUEUE_MACRO_DEBUG to debug list problems.

MFC after:	1 week
2015-02-24 17:29:04 +00:00
Pedro F. Giffuni
d300dc2302 msun: drop unnecessary checks (part 2).
Drop an unnecessary check in some calculations. The check
would have Coverity falsely conclude that a variable could
be left undefined.
2015-02-24 16:45:16 +00:00
Ruslan Bukin
83dbea149e Enable 'receive timeout' interrupt allowing us to not
loose 'rx buffer full' event.

This fixes operation on ARMv8 Foundation Model.

Sponsored by:	DARPA, AFRL
2015-02-24 15:35:26 +00:00
Konstantin Belousov
dacbc9dbe7 Keep a reference on the coredump vnode for vn_fullpath() call. Do it
by moving vn_close() after the point where notification is sent.

Reported by:	sbruno
Tested by:	pho, sbruno
Sponsored by:	The FreeBSD Foundation
2015-02-24 13:07:31 +00:00
Zbigniew Bodek
8018ac153f Change struct attribute to avoid aligned operations mismatch
Previous __alignment(4) allowed compiler to assume that operations are
performed on aligned region. On ARM processor, this led to alignment fault
as shown below:
trapframe: 0xda9e5b10
FSR=00000001, FAR=a67b680e, spsr=60000113
r0 =00000000, r1 =00000068, r2 =0000007c, r3 =00000000
r4 =a67b6826, r5 =a67b680e, r6 =00000014, r7 =00000068
r8 =00000068, r9 =da9e5bd0, r10=00000011, r11=da9e5c10
r12=da9e5be0, ssp=da9e5b60, slr=a054f164, pc =a054f2cc
<...>
udp_input+0x264: ldmia r5, {r0-r3, r6}
udp_input+0x268: stmia r12, {r0-r3, r6}

This was due to instructions which do not support unaligned access,
whereas for __alignment(2) compiler replaced ldmia/stmia with some
logically equivalent memcpy operations.
In fact, the assumption that 'struct ip' is always 4-byte aligned
is definitely false, as we have no impact on data alignment of packet
stream received.

Another possible solution would be to explicitely perform memcpy()
on objects of 'struct ip' type, which, however, would suffer from
performance drop, and be merely a problem hiding.

Please, note that this has nothing to do with
ARM32_DISABLE_ALIGNMENT_FAULTS option, but is related strictly to
compiler behaviour.

Submitted by:  Wojciech Macek <wma@semihalf.com>
Reviewed by:   glebius, ian
Obtained from: Semihalf
2015-02-24 12:57:03 +00:00
Zbigniew Bodek
b63ea39440 Fix endianness on FDT read in ARM GIC
Submitted by:  Jakub Palider <jpa@semihalf.com>
Reviewed by:   ian, nwhitehorn
Obtained from: Semihalf
2015-02-24 12:31:08 +00:00
Andrey V. Elsukov
47568136c5 Fix possible memory leak and several races in the IPsec policy management
code.

Resurrect the state field in the struct secpolicy, it has
IPSEC_SPSTATE_ALIVE value when security policy linked in the chain,
and IPSEC_SPSTATE_DEAD value in all other cases. This field protects
from trying to unlink one security policy several times from the different
threads.

Take additional reference in the key_flush_spd() to be sure that policy
won't be freed from the different thread while we are sending SPDEXPIRE message.

Add KEY_FREESP() call to the key_unlink() to release additional reference
that we take when use key_getsp*() functions.

Differential Revision:	https://reviews.freebsd.org/D1914
Tested by:		Emeric POUPON <emeric.poupon at stormshield dot eu>
Reviewed by:	hrs
Sponsored by:	Yandex LLC
2015-02-24 10:35:07 +00:00
Hans Petter Selasky
bcb1c16516 Ensure that the XHCI driver will refresh the control endpoint settings
when re-enumerating a FULL speed device. Else the wrong max packet
setting might be used when trying to re-enumerate a FULL speed device.

MFC after:	3 days
2015-02-24 08:53:47 +00:00
Luigi Rizzo
bc8b78d393 Add native netmap support to ixl.
Preliminary tests indicate 32 Mpps on tx, 24 Mpps on rx
with source and receiver on two different ports of the same 40G card.
Optimizations are likely possible.
The code follows closely the one for ixgbe so i do not
expect stability issues.

Hardware kindly supplied by Intel.

Reviewed by:	Jack Vogel
MFC after:	1 week
2015-02-24 06:20:50 +00:00
Andrew Rybchenko
bce6d281d8 sfxge: add put-list high watermark
It is interesting to know how long put-list grows.

Sponsored by:   Solarflare Communications, Inc.
Approved by:    gnn (mentor)
2015-02-24 06:09:31 +00:00
Andrew Rybchenko
08664e0d60 sfxge: use goto to cleanup to avoid duplicate cleanup code
Sponsored by:   Solarflare Communications, Inc.
Approved by:    gnn (mentor)
2015-02-24 06:08:55 +00:00
Kenneth D. Merry
62d67aa923 Fix printf format warnings on sparc64 and mips.
Sponsored by:	Spectra Logic
MFC after:	1 month
2015-02-24 05:43:16 +00:00
Neel Natu
a318f7ddb2 Always emulate MSR_PAT on Intel processors and don't rely on PAT save/restore
capability of VT-x. This lets bhyve run nested in older VMware versions that
don't support the PAT save/restore capability.

Note that the actual value programmed by the guest in MSR_PAT is irrelevant
because bhyve sets the 'Ignore PAT' bit in the nested PTE.

Reported by:	marcel
Tested by:	Leon Dang (ldang@nahannisys.com)
Sponsored by:	Nahanni Systems
MFC after:	2 weeks
2015-02-24 05:35:15 +00:00
Neel Natu
12f91c70a3 Emulate MSR 0xC0011024 when running on AMD processors.
OpenBSD guests test bit 0 of this MSR to detect whether the workaround for
erratum 721 has been applied.

Reported by:	Jason Tubnor (jason@tubnor.net)
MFC after:	1 week
2015-02-24 05:15:40 +00:00
Neel Natu
c974767896 Add "-u" option to bhyve(8) to indicate that the RTC should maintain UTC time.
The default remains localtime for compatibility with the original device model
in bhyve(8). This is required for OpenBSD guests which assume that the RTC
keeps UTC time.

Reviewed by:	grehan
Pointed out by:	Jason Tubnor (jason@tubnor.net)
MFC after:	2 weeks
2015-02-24 02:04:16 +00:00
Pyun YongHyeon
9e251ed6d5 Correct a typo.
Reported by:	jmg
2015-02-24 01:00:46 +00:00
Michael Gmelin
29f2e5b5bc Improve memory detection in biosmem.c
- Add a quirk to allow ignoring e820 extended memory detection.
- Improve memory detection through e801.
- Add bootloader command "biosmem".

See differential revision for more details.

Reviewed by:	jhb, adrian
Approved by:	adrian
Differential Revision:  https://reviews.freebsd.org/D1741
2015-02-23 22:58:51 +00:00
Kenneth D. Merry
9aa8427101 Bump __FreeBSD_version for the mtio(4) / sa(4) ioctl and API additions
in revision 279219.

Sponsored by:	Spectra Logic
MFC after:	1 month
2015-02-23 22:50:43 +00:00
Peter Grehan
65392c66a5 Don't close a block context if it couldn't be opened,
for example if the backing file doesn't exist,
avoiding a null deref.

Reviewed by:	neel
MFC after:	1 week.
2015-02-23 22:31:39 +00:00
Kenneth D. Merry
43518607b2 Significant upgrades to sa(4) and mt(1).
The primary focus of these changes is to modernize FreeBSD's
tape infrastructure so that we can take advantage of some of the
features of modern tape drives and allow support for LTFS.

Significant changes and new features include:

 o sa(4) driver status and parameter information is now exported via an
   XML structure.  This will allow for changes and improvements later
   on that will not break userland applications.  The old MTIOCGET
   status ioctl remains, so applications using the existing interface
   will not break.

 o 'mt status' now reports drive-reported tape position information
   as well as the previously available calculated tape position
   information.  These numbers will be different at times, because
   the drive-reported block numbers are relative to BOP (Beginning
   of Partition), but the block numbers calculated previously via
   sa(4) (and still provided) are relative to the last filemark.
   Both numbers are now provided.  'mt status' now also shows the
   drive INQUIRY information, serial number and any position flags
   (BOP, EOT, etc.) provided with the tape position information.
   'mt status -v' adds information on the maximum possible I/O size,
   and the underlying values used to calculate it.

 o The extra sa(4) /dev entries (/dev/saN.[0-3]) have been removed.

   The extra devices were originally added as place holders for
   density-specific device nodes.  Some OSes (NetBSD, NetApp's OnTap
   and Solaris) have had device nodes that, when you write to them,
   will automatically select a given density for particular tape drives.

   This is a convenient way of switching densities, but it was never
   implemented in FreeBSD.  Only the device nodes were there, and that
   sometimes confused users.

   For modern tape devices, the density is generally not selectable
   (e.g. with LTO) or defaults to the highest availble density when
   the tape is rewritten from BOT (e.g. TS11X0).  So, for most users,
   density selection won't be necessary.  If they do need to select
   the density, it is easy enough to use 'mt density' to change it.

 o Protection information is now supported.  This is either a
   Reed-Solomon CRC or CRC32 that is included at the end of each block
   read and written.  On write, the tape drive verifies the CRC, and
   on read, the tape drive provides a CRC for the userland application
   to verify.

 o New, extensible tape driver parameter get/set interface.

 o Density reporting information.  For drives that support it,
   'mt getdensity' will show detailed information on what formats the
   tape drive supports, and what formats the tape drive supports.

 o Some mt(1) functionality moved into a new mt(3) library so that
   external applications can reuse the code.

 o The new mt(3) library includes helper routines to aid in parsing
   the XML output of the sa(4) driver, and build a tree of driver
   metadata.

 o Support for the MTLOAD (load a tape in the drive) and MTWEOFI
   (write filemark immediate) ioctls needed by IBM's LTFS
   implementation.

 o Improve device departure behavior for the sa(4) driver.  The previous
   implementation led to hangs when the device was open.

 o This has been tested on the following types of drives:
	IBM TS1150
	IBM TS1140
	IBM LTO-6
	IBM LTO-5
	HP LTO-2
	Seagate DDS-4
	Quantum DLT-4000
	Exabyte 8505
	Sony DDS-2

contrib/groff/tmac/doc-syms,
share/mk/bsd.libnames.mk,
lib/Makefile,
	Add libmt.

lib/libmt/Makefile,
lib/libmt/mt.3,
lib/libmt/mtlib.c,
lib/libmt/mtlib.h,
	New mt(3) library that contains functions moved from mt(1) and
	new functions needed to interact with the updated sa(4) driver.

	This includes XML parser helper functions that application writers
	can use when writing code to query tape parameters.

rescue/rescue/Makefile:
	Add -lmt to CRUNCH_LIBS.

src/share/man/man4/mtio.4
	Clarify this man page a bit, and since it contains what is
	essentially the mtio.h header file, add new ioctls and structure
	definitions from mtio.h.

src/share/man/man4/sa.4
	Update BUGS and maintainer section.

sys/cam/scsi/scsi_all.c,
sys/cam/scsi/scsi_all.h:
	Add SCSI SECURITY PROTOCOL IN/OUT CDB definitions and CDB building
	functions.

sys/cam/scsi/scsi_sa.c
sys/cam/scsi/scsi_sa.h
	Many tape driver changes, largely outlined above.

	Increase the sa(4) driver read/write timeout from 4 to 32
	minutes.  This is based on the recommended values for IBM LTO
	5/6 drives.  This may also avoid timeouts for other tape
	hardware that can take a long time to do retries and error
	recovery.  Longer term, a better way to handle this is to ask
	the drive for recommended timeout values using the REPORT
	SUPPORTED OPCODES command.  Modern IBM and Oracle tape drives
	at least support that command, and it would allow for more
	accurate timeout values.

	Add XML status generation.  This is done with a series of
	macros to eliminate as much duplicate code as possible.  The
	new XML-based status values are reported through the new
	MTIOCEXTGET ioctl.

	Add XML driver parameter reporting, using the new MTIOCPARAMGET
	ioctl.

	Add a new driver parameter setting interface, using the new
	MTIOCPARAMSET and MTIOCSETLIST ioctls.

	Add a new MTIOCRBLIM ioctl to get block limits information.

	Add CCB/CDB building routines scsi_locate_16, scsi_locate_10,
	and scsi_read_position_10().

	scsi_locate_10 implements the LOCATE command, as does the
	existing scsi_set_position() command.  It just supports
	additional arguments and features.  If/when we figure out a
	good way to provide backward compatibility for older
	applications using the old function API, we can just revamp
	scsi_set_position().  The same goes for
	scsi_read_position_10() and the existing scsi_read_position()
	function.

	Revamp sasetpos() to take the new mtlocate structure as an
	argument.  It now will use either scsi_locate_10() or
	scsi_locate_16(), depending upon the arguments the user
	supplies.  As before, once we change position we don't have a
	clear idea of what the current logical position of the tape
	drive is.

	For tape drives that support long form position data, we
	read the current position and store that for later reporting
	after changing the position.  This should help applications
	like Bacula speed tape access under FreeBSD once they are
	modified to support the new ioctls.

	Add a new quirk, SA_QUIRK_NO_LONG_POS, that is set for all
	drives that report SCSI-2 or older, as well as drives that
	report an Illegal Request type error for READ POSITION with
	the long format.  So we should automatically detect drives
	that don't support the long form and stop asking for it after
	an initial try.

	Add a partition number to the sa(4) softc.

	Improve device departure handling. The previous implementation
	led to hangs when the device was open.

	If an application had the sa(4) driver open, and attempted to
	close it after it went away, the cam_periph_release() call in
	saclose() would cause the periph to get destroyed because that
	was the last reference to it.  Because destroy_dev() was
	called from the sa(4) driver's cleanup routine (sacleanup()),
	and would block waiting for the close to happen, a deadlock
	would result.

	So instead of calling destroy_dev() from the cleanup routine,
	call destroy_dev_sched_cb() from saoninvalidate() and wait for
	the callback.

	Acquire a reference for devfs in saregister(), and release it
	in the new sadevgonecb() routine when all devfs devices for
	the particular sa(4) driver instance are gone.

	Add a new function, sasetupdev(), to centralize setting
	per-instance devfs device parameters instead of repeating the
	code in saregister().

	Add an open count to the softc, so we know how many
	peripheral driver references are a result of open
       	sessions.

	Add the D_TRACKCLOSE flag to the cdevsw flags so
	that we get a 1:1 mapping of open to close calls
	instead of a N:1 mapping.

	This should be a no-op for everything except the
	control device, since we don't allow more than one
	open on non-control devices.

	However, since we do allow multiple opens on the
	control device, the combination of the open count
	and the D_TRACKCLOSE flag should result in an
	accurate peripheral driver reference count, and an
	accurate open count.

	The accurate open count allows us to release all
	peripheral driver references that are the result
	of open contexts once we get the callback from devfs.

sys/sys/mtio.h:
	Add a number of new mt(4) ioctls and the requisite data
	structures.  None of the existing interfaces been removed
	or changed.

	This includes definitions for the following new ioctls:

	MTIOCRBLIM      /* get block limits */
	MTIOCEXTLOCATE	/* seek to position */
	MTIOCEXTGET     /* get tape status */
	MTIOCPARAMGET	/* get tape params */
	MTIOCPARAMSET	/* set tape params */
	MTIOCSETLIST	/* set N params */

usr.bin/mt/Makefile:
	mt(1) now depends on libmt, libsbuf and libbsdxml.

usr.bin/mt/mt.1:
	Document new mt(1) features and subcommands.

usr.bin/mt/mt.c:
	Implement support for mt(1) subcommands that need to
	use getopt(3) for their arguments.

	Implement a new 'mt status' command to replace the old
	'mt status' command.  The old status command has been
	renamed 'ostatus'.

	The new status function uses the MTIOCEXTGET ioctl, and
	therefore parses the XML data to determine drive status.
	The -x argument to 'mt status' allows the user to dump out
	the raw XML reported by the kernel.

	The new status display is mostly the same as the old status
	display, except that it doesn't print the redundant density
	mode information, and it does print the current partition
	number and position flags.

	Add a new command, 'mt locate', that will supersede the
	old 'mt setspos' and 'mt sethpos' commands.  'mt locate'
	implements all of the functionality of the MTIOCEXTLOCATE
	ioctl, and allows the user to change the logical position
	of the tape drive in a number of ways.  (Partition,
	block number, file number, set mark number, end of data.)
	The immediate bit and the explicit address bits are
	implemented, but not documented in the man page.

	Add a new 'mt weofi' command to use the new MTWEOFI ioctl.
	This allows the user to ask the drive to write a filemark
	without waiting around for the operation to complete.

	Add a new 'mt getdensity' command that gets the XML-based
	tape drive density report from the sa(4) driver and displays
	it.  This uses the SCSI REPORT DENSITY SUPPORT command
	to get comprehensive information from the tape drive about
	what formats it is able to read and write.

	Add a new 'mt protect' command that allows getting and setting
	tape drive protection information.  The protection information
	is a CRC tacked on to the end of every read/write from and to
	the tape drive.

Sponsored by:	Spectra Logic
MFC after:	1 month
2015-02-23 21:59:30 +00:00
Nathan Whitehorn
09ae596bf6 Fix race in interrupt handling that could cause IO to hang up under heavy
load.
2015-02-23 20:38:00 +00:00
Ian Lepore
c82bcdb25e There is no reason to do i+dcache writeback and invalidate when changing
the translation table (this may be left over from armv5 days).  It's
especially bad to do so using a cache operation that isn't coherent on
SMP systems.

Submitted by:	Michal Meloun
2015-02-23 20:09:05 +00:00
Gleb Smirnoff
0ccab3af38 A lot of current code in network stack expects mbufs not having
m_nextpkt pointer, assuming that if there is one, then this is
a packet batch. Thus, mbufq_dequeue() needs to clear it on mbuf
that is being returned.
2015-02-23 18:57:09 +00:00
Gleb Smirnoff
49e6be9c3d Previous version of mbufq were fine initialized by M_ZERO, while
new one require explicti initialization.

Reported by:	royger
2015-02-23 18:55:26 +00:00
Hans Petter Selasky
f5757453dc Add support for the DWC OTG v2 chipset found in the STM32F4 series of
processors. Make sure we pullup the data lines in device mode when we
power on the port.

MFC after:	1 week
2015-02-23 17:01:38 +00:00
Andrey V. Elsukov
e9b70483d1 soreceive_generic() still has similar KASSERT(), therefore instead of
remove KASSERT(), change it to check mbuf isn't NULL.

Suggested by:	kib
MFC after:	1 week
2015-02-23 15:24:43 +00:00
Andrey V. Elsukov
f21684bc75 In some cases soreceive_dgram() can return no data, but has control
message. This can happen when application is sending packets too big
for the path MTU and recvmsg() will return zero (indicating no data)
but there will be a cmsghdr with cmsg_type set to IPV6_PATHMTU.
Remove KASSERT() which does NULL pointer dereference in such case.
Also call m_freem() only when m isn't NULL.

PR:		197882
MFC after:	1 week
Sponsored by:	Yandex LLC
2015-02-23 13:41:35 +00:00
Hans Petter Selasky
74db12ca99 Macro fixes:
- Add missing "order_base_2()" macro.
- Fix BUILD_BUG_ON() macro.

MFC after:	1 month
Sponsored by:	Mellanox Technologies
2015-02-23 12:54:46 +00:00
Luigi Rizzo
735c8d9528 add MODULE_VERSION, needed to track module dependencies
MFC after:	3 days
2015-02-23 07:28:31 +00:00
Enji Cooper
3e3b707248 Fill in missing dependencies for dtrace related tools so the bootstrap-tools
compiles properly on older hosts

Pointyhat to: me
X-MFC with: r279197
MFC after: 2 weeks
2015-02-23 06:46:04 +00:00
Enji Cooper
aebc0e3579 Parallelize building bootstrap-tools
Differential Revision: https://reviews.freebsd.org/D1901
MFC after: 2 weeks
Reviewed by: ian
No serious objections from: imp
2015-02-23 05:28:17 +00:00
Nathan Whitehorn
35f612b88a Kernel support for the Vector-Scalar eXtension (VSX) found on the POWER7
and POWER8. This instruction set unifies the 32 64-bit scalar floating
point registers with the 32 128-bit vector registers into a single bank
of 64 128-bit registers. Kernel support mostly amounts to saving and
restoring the wider version of the floating point registers and making
sure that both scalar FP and vector registers are enabled once a VSX
instruction is executed. get_mcontext() and friends currently cannot
see the high bits, which will require a little more work.

As the system compiler (GCC 4.2) does not support VSX, making use of this
from userland requires either newer GCC or clang.

Relnotes:	yes
Sponsored by:	FreeBSD Foundation
2015-02-22 21:40:27 +00:00
Jilles Tjoelker
4445af212c sh: Add details about importing the environment and initializing OPTIND. 2015-02-22 21:32:57 +00:00
Nathan Whitehorn
8a5843ad02 Add some opcodes for assembling forthcoming VSX (Vector-Scalar eXtension)
support in the kernel. Userspace programs are expected to rely on LLVM's
integrated assembler or newer binutils.
2015-02-22 20:52:29 +00:00
Pedro F. Giffuni
e382e86bb4 setmode(3): Make sure that setmode sets errno on failure.
Our man page already documented this partially but now
we have some consistent behavior.

PR:		136669
Obtained from:	NetBSD (CVS rev. 1.31, 1.33)
Relnotes:	yes
MFC after:	3 weeks
2015-02-22 20:16:44 +00:00
Maxim Konovalov
e656be495b o Typo: securiy -> security.
PR:		197927
Submitted by:	mike.543@comcast.net
MFC after:	1 week
2015-02-22 19:42:50 +00:00
Andrew Rybchenko
3d8fce2701 sfxge: implement if_get_counter callback
Sponsored by:   Solarflare Communications, Inc.
Approved by:    gnn (mentor)
2015-02-22 19:25:57 +00:00
Andrew Rybchenko
2fc13da641 sfxge: add common code support for changing TX queue pace
To delay packets from a particular TX queue by a particular time, write a value
into the TX Pace table s.t. pace time <= TX Pace Clock Period * (2 ^ pace value)
- the TX pace clock is 1/13 of the system clock, so its period should be 104 or
52 ns depending on whether turbo mode is active.

EFX_TX_PACE_CLOCK_BASE added by me.

Submitted by:   Mark Spender <mspender at solarflare.com>
Sponsored by:   Solarflare Communications, Inc.
Approved by:    gnn (mentor)
2015-02-22 19:24:08 +00:00