Commit Graph

425 Commits

Author SHA1 Message Date
kib
52ea16e6ba Make it explicit that D_MEM cdevsw d_flag is to signify that the
driver is (or behaves identically to) /dev/mem.  Remove the D_MEM flag
from random drivers.

Note that currently the D_MEM flag does not affect any behaviour, but
this going to change in the next commit.

Noted and reviewed by:	alc
Sponsored by:	The FreeBSD Foundation
MFC after:	1 week
X-Differential revision:	https://reviews.freebsd.org/D6149
2016-05-01 17:46:56 +00:00
imp
4283959fee Don't assume bio_cmd is a bit field.
Differential Revision: https://reviews.freebsd.org/D5594
2016-03-10 00:36:45 +00:00
pfg
a97d0cb743 firewire: fix a mismatch introduced in r230558.
Found by:	PVS Static Analysis
Reviewed by:	sbruno
MFC after:	1 month
2016-02-19 15:35:20 +00:00
will
1aa07d7ef4 Fix remote DMA based firewire debugging when targeting
systems with more than 4GB of physical memory.

To remotely debug the system 'stealthy' which has a kernel
with this change installed and firewire properly configured:

	% fwcontrol -m stealthy (or stealthy's firewire EUI64)
	% kgdb kernel /dev/fwmem0.0

sys/dev/firewire/fwohci.c:
	Rather than hard code the upper limit for hw based
	automatic responses to remote DMA requests at 4GB,
	program the hardware using Maxmem, the page number
	one higher than the highest physical page detected
	in the system.

	While here, garbage collect more useless splfw()
	calls.

Submitted by:	gibbs
MFC after:	1 week
Sponsored by:	Spectra Logic
MFSpectraBSD:	1110994 on 2015/01/06
2015-01-21 20:08:24 +00:00
will
639d7a6139 Fix firewire panic when issuing a reply to an unhandled
asynchronous remote dma request (DMA request that the
hardware cannot automatically handle).

sys/dev/firewire/firewire.c
	In fw_rcv(), add missing early return in the error
	path for DMA requests to unregistered regions.

Submitted by:	gibbs
MFC after:	1 week
Sponsored by:	Spectra Logic
MFSpectraBSD:	1110993 on 2015/01/06
2015-01-21 20:06:25 +00:00
will
c3bc74cd91 Properly lock accesss to the firewire_comm->devices list.
sys/dev/firewire/firewire.c:
	Add missing FW_GLOCK/UNLOCK() usage to fw_noderesolve_nodeid().

sys/dev/firewire/firewire.c:
sys/dev/firewire/fwmem.c:
	Remove no-op splfw() calls from functions that have been
	audited for proper lock usage.

Submitted by:	gibbs
MFC after:	1 week
Sponsored by:	Spectra Logic
MFSpectraBSD:	1110992 on 2015/01/06
2015-01-21 20:05:10 +00:00
will
9993d8d7e3 Fix panic in firewire and creation of invalid config ROM.
sys/boot/i386/libfirewire/firewire.c:
sys/dev/firewire/firewire.c:
	Fix configuration ROM generation count wrapping logic
	so that the generation count is never outside of
	allowed limits (0x2 -> 0xF).

sys/dev/firewire/firewire.c:
	In fw_xfer_unload(), xfer->fc may be NULL.  Protect
	against this before taking the fc lock.

Submitted by:	gibbs
MFC after:	1 week
Sponsored by:	Spectra Logic
MFSpectraBSD:	1110685 on 2015/01/05
2015-01-21 20:03:46 +00:00
will
0e8db589ba Fix a FWXF_INQ race in the firewire driver.
sys/dev/firewire/firewire.c:
	In fw_xfer_unload() expand lock coverage so that
	the test for FWXF_INQ doesn't race with it being
	cleared in another thread.

Submitted by:	gibbs
MFC after:	1 week
Sponsored by:	Spectra Logic
MFSpectraBSD:	1110207 on 2015/01/02
2015-01-21 20:02:16 +00:00
will
142c5758be Fix one cause of firewire panics.
sys/dev/firewire/firewire.c:
	In fw_xfer_unload(), clear the FWXF_INQ flag on the
	xfer under protection of the FW_GMTX, after the
	xfer is removeed from the tx/rx queue.  Otherwise
	it is possible for the xfer to be removed again
	(corrupting the list or immediately panicing) from
	another thread that has found this xfer in the
	transaction label table.

Submitted by:	gibbs
MFC after:	1 week
Sponsored by:	Spectra Logic
MFSpectraBSD:	1110200 on 2015/01/02
2015-01-21 19:59:09 +00:00
smh
dd63bf99a2 Prevent overflow issues in timeout processing
Previously, any timeout value for which (timeout * hz) will overflow the
signed integer, will give weird results, since callout(9) routines will
convert negative values of ticks to '1'. For unsigned integer overflow we
will get sufficiently smaller timeout values than expected.

Switch from callout_reset, which requires conversion to int based ticks
to callout_reset_sbt to avoid this.

Also correct isci to correctly resolve ccb timeout.

This was based on the original work done by Eygene Ryabinkin
<rea@freebsd.org> back in 5 Aug 2011 which used a macro to help avoid
the overlow.

Differential Revision:	https://reviews.freebsd.org/D1157
Reviewed by:	mav, davide
MFC after:	1 month
Sponsored by:	Multiplay
2014-11-21 21:01:24 +00:00
kan
93ddb8841e Do not pass whole descriptor block size as align to fwdma_malloc_multiseg
Do not pass wrong alignment value to fwdma_malloc_multiseg and ultimately
to contigalloc. In addition to being wrong, this causes insta-panic in
certain cases due to safety assertion - the alignment is required to be
the power of two and the value we calculate here seldom is.

MFC after:  1 month
2014-09-27 16:50:24 +00:00
kan
acfad8859d Remove obsolete compatibility glue and improve firewire code readability.
Commit my version of style(9) pass over the firewire code. Now that
other people have started changing the code carrying this is as a
local patch is not longer a viable option.

MFC after:	1 month
2014-09-27 16:50:21 +00:00
glebius
b3b337a80e Mechanically convert to if_inc_counter(). 2014-09-19 03:51:26 +00:00
will
0362a39e44 Start the process of cleaning up FreeBSD's firewire driver.
sys/dev/firewire/firewire.c:
sys/dev/firewire/firewire.h:
sys/dev/firewire/firewirereg.h:
sys/dev/firewire/fwcrom.c:
sys/dev/firewire/fwdev.c:
sys/dev/firewire/fwdma.c:
sys/dev/firewire/fwmem.c:
sys/dev/firewire/fwohci.c:
sys/dev/firewire/fwohci_pci.c:
sys/dev/firewire/fwohcivar.h:
sys/dev/firewire/if_fwe.c:
sys/dev/firewire/if_fwip.c:
sys/dev/firewire/sbp.c:
sys/dev/firewire/sbp_targ.c:
	Unifdef the code, removing support for DragonflyBSD
	and FreeBSD prior to version 5.

Submitted by:	gibbs
MFC after:	1 month
Sponsored by:	Spectra Logic
MFSpectraBSD:	1081188 on 2014/08/01
2014-09-18 17:28:21 +00:00
will
ae0fd50934 Silence noisy firewire logging.
MFC after:	1 month
Sponsored by:	Spectra Logic
MFSpectraBSD:	974594 on 2013/08/02
2014-09-18 17:22:42 +00:00
glebius
9b93b159b3 Use define from if_var.h to access a field inside struct if_data,
that resides in struct ifnet.

Sponsored by:	Nginx, Inc.
2014-08-30 19:55:54 +00:00
hselasky
35b126e324 Pull in r267961 and r267973 again. Fix for issues reported will follow. 2014-06-28 03:56:17 +00:00
gjb
fc21f40567 Revert r267961, r267973:
These changes prevent sysctl(8) from returning proper output,
such as:

 1) no output from sysctl(8)
 2) erroneously returning ENOMEM with tools like truss(1)
    or uname(1)
 truss: can not get etype: Cannot allocate memory
2014-06-27 22:05:21 +00:00
hselasky
bd1ed65f0f Extend the meaning of the CTLFLAG_TUN flag to automatically check if
there is an environment variable which shall initialize the SYSCTL
during early boot. This works for all SYSCTL types both statically and
dynamically created ones, except for the SYSCTL NODE type and SYSCTLs
which belong to VNETs. A new flag, CTLFLAG_NOFETCH, has been added to
be used in the case a tunable sysctl has a custom initialisation
function allowing the sysctl to still be marked as a tunable. The
kernel SYSCTL API is mostly the same, with a few exceptions for some
special operations like iterating childrens of a static/extern SYSCTL
node. This operation should probably be made into a factored out
common macro, hence some device drivers use this. The reason for
changing the SYSCTL API was the need for a SYSCTL parent OID pointer
and not only the SYSCTL parent OID list pointer in order to quickly
generate the sysctl path. The motivation behind this patch is to avoid
parameter loading cludges inside the OFED driver subsystem. Instead of
adding special code to the OFED driver subsystem to post-load tunables
into dynamically created sysctls, we generalize this in the kernel.

Other changes:
- Corrected a possibly incorrect sysctl name from "hw.cbb.intr_mask"
to "hw.pcic.intr_mask".
- Removed redundant TUNABLE statements throughout the kernel.
- Some minor code rewrites in connection to removing not needed
TUNABLE statements.
- Added a missing SYSCTL_DECL().
- Wrapped two very long lines.
- Avoid malloc()/free() inside sysctl string handling, in case it is
called to initialize a sysctl from a tunable, hence malloc()/free() is
not ready when sysctls from the sysctl dataset are registered.
- Bumped FreeBSD version to indicate SYSCTL API change.

MFC after:	2 weeks
Sponsored by:	Mellanox Technologies
2014-06-27 16:33:43 +00:00
kan
64db28af1a Set target->sbp field to valid value when sbp device is created.
The sbp_cam_detach_target can be called from sbp_post_explore function
on the first target that is not really attached and it was written with
the corresponding safety check in place to tolerate that. Unfortunately
the recent locking cleanup did add a locking assertion that tries to
dereference the target->sbp pointer unconditionally, which causes less
than desirable outcome. Since the assertion is useful, just initialize
the target sbp pointer once when sbp device is being initialized instead
of when the target is being attached. This makes assertion work in all
cases and fixes the crash on boot.
2014-06-20 01:45:03 +00:00
jhb
e77f26d29d Various cleanups and fixes:
- Switch from timeout() to callout_*() for per-request timers.
- Use device_find_child() in the identify routine.
- Use device_printf() instead of passing device_get_nameunit() to
  printf().
- Expand the SBP_LOCK coverage simplifying the locking.
- Uninline STAILQ_FOREACH_SAFE().

Tested by:	sbruno
2014-05-27 19:56:02 +00:00
brueffer
572e8e160e Remove some unused variables.
Found with:	Clang Static Analyzer
MFC after:	2 weeks
2014-05-16 21:19:17 +00:00
melifaro
860ae05c24 Teach every SIOCGIFSTATUS provider to fill in ifs->ascii anyway.
Remove old bits of data concat for 'ascii' field.
Remove special SIOCGIFSTATUS handling from if.c (which Coverity yells at).

Reported by:	Coverity
Coverity CID:	1147174
MFC after:	2 weeks
2014-01-07 15:59:33 +00:00
eadler
44c01df173 Fix undefined behavior: (1 << 31) is not defined as 1 is an int and this
shifts into the sign bit.  Instead use (1U << 31) which gets the
expected result.

This fix is not ideal as it assumes a 32 bit int, but does fix the issue
for most cases.

A similar change was made in OpenBSD.

Discussed with:	-arch, rdivacky
Reviewed by:	cperciva
2013-11-30 22:17:27 +00:00
nwhitehorn
14bec3e026 Adjust various SCSI drivers to handle either a 32-bit or 64-bit lun_id_t,
mostly by adjustments to debugging printf() format specifiers. For high
numbered LUNs, also switch to printing them in hex as per SAM-5.

MFC after: 2 weeks
2013-10-30 14:04:47 +00:00
glebius
ff6e113f1b The r48589 promised to remove implicit inclusion of if_var.h soon. Prepare
to this event, adding if_var.h to files that do need it. Also, include
all includes that now are included due to implicit pollution via if_var.h

Sponsored by:	Netflix
Sponsored by:	Nginx, Inc.
2013-10-26 17:58:36 +00:00
mav
c13057cda9 Partial MFproject/camlock r256671:
Fix several target mode SIMs to not blindly clear ccb_h.flags field of
ATIO CCBs.  Not all CCB flags there belong to them.
2013-10-21 06:04:39 +00:00
scottl
e9cc92746f Re-do r255853. Along with adding back the API/ABI changes from the
original, this hides the contents of cam_compat.h from ktrace/kdump/truss,
avoiding problems there.  There are no user-servicable parts in there, so
no need for those tools to be groping around in there.

Approved by:    re
2013-09-25 17:16:21 +00:00
gjb
d965f28ba1 Revert r255853 pending fixes to build errors in usr.bin/kdump
Approved by:	re (implicit)
2013-09-25 01:48:45 +00:00
scottl
108b7070e7 Update the CAM API for FreeBSD 10:
- Remove the timeout_ch field.  It's been deprecated since FreeBSD 7.0;
  MPSAFE drivers should be managing their own timeout storage.  The
  remaining non-MPSAFE drivers have been modified to also manage their own
  storage, and should be considered for updating to MPSAFE (or removal)
  during the FreeBSD 10.x lifecycle.

- Add fields related to soft timeouts and quality of service, to be used
  in upcoming work.

- Add room for more flags in the CCB header and path_inq structures.

- Begin support for extended 64-bit LUNs.

- Bump the CAM version number to 0x18, but add compat shims.  Tested with
  camcontrol and smartctl.

Reviewed by:    nathanw, ken, kib
Approved by:    re
Obtained from:  Netflix
2013-09-24 16:50:53 +00:00
davide
ec6382d0c2 - Use make_dev_credf(MAKEDEV_REF) instead of the race-prone make_dev()+
dev_ref() in the clone handlers that still use it.
- Don't set SI_CHEAPCLONE flag, it's not used anywhere neither in devfs
(for anything real)

Reviewed by:	kib
2013-09-07 13:45:44 +00:00
scottl
28bd1409da Update PCI drivers to no longer look at the MEMIO-enabled bit in the PCI
command register.  The lazy BAR allocation code in FreeBSD sometimes
disables this bit when it detects a range conflict, and will re-enable
it on demand when a driver allocates the BAR.  Thus, the bit is no longer
a reliable indication of capability, and should not be checked.  This
results in the elimination of a lot of code from drivers, and also gives
the opportunity to simplify a lot of drivers to use a helper API to set
the busmaster enable bit.

This changes fixes some recent reports of disk controllers and their
associated drives/enclosures disappearing during boot.

Submitted by:	jhb
Reviewed by:	jfv, marius, achadd, achim
MFC after:	1 day
2013-08-12 23:30:01 +00:00
mav
3d32e6b10c MFprojects/camlock r248982:
Stop abusing xpt_periph in random plases that really have no periph related
to CCB, for example, bus scanning.  NULL value is fine in such cases and it
is correctly logged in debug messages as "noperiph".  If at some point we
need some real XPT periphs (alike to pmpX now), quite likely they will be
per-bus, and not a single global instance as xpt_periph now.
2013-04-14 09:55:48 +00:00
will
528b271d19 FireWire: Don't allow a tlabel to reference an xfer after free.
sys/dev/firewire/firewire.c:
- fw_xfer_unload(): Since we are about to free this xfer, call fw_tl_free()
  to remove the xfer from its tlabel's list, if it has a tlabel.
- In every occasion when a xfer is removed from a tlabel's list, reset
  xfer->tl to -1 while holding fc->tlabel_lock, so that the xfer isn't
  mis-identified as belonging to a tlabel.

This doesn't fix all the use-after-free problems for M_FWMEM, but is an
incremental towards that goal.

Reviewed by:	kan, sbruno
Sponsored by:	Spectra Logic
2013-04-08 23:16:42 +00:00
imp
d7e8ae1bc4 bus_dmamap_load_ccb doesn't exist on earlier versions of FreeBSD or
DragonFlyBSD, so it certainly doesn't need splsoftvm(). Remove it.

# I doubt this driver will now compile on older FreeBSD versions or DFBSD
# We should consider unifdefing it since that code seems unmaintained.
2013-02-21 17:50:21 +00:00
kib
bd7f0fa0bb Reform the busdma API so that new types may be added without modifying
every architecture's busdma_machdep.c.  It is done by unifying the
bus_dmamap_load_buffer() routines so that they may be called from MI
code.  The MD busdma is then given a chance to do any final processing
in the complete() callback.

The cam changes unify the bus_dmamap_load* handling in cam drivers.

The arm and mips implementations are updated to track virtual
addresses for sync().  Previously this was done in a type specific
way.  Now it is done in a generic way by recording the list of
virtuals in the map.

Submitted by:	jeff (sponsored by EMC/Isilon)
Reviewed by:	kan (previous version), scottl,
	mjacob (isp(4), no objections for target mode changes)
Discussed with:	     ian (arm changes)
Tested by:	marius (sparc64), mips (jmallet), isci(4) on x86 (jharris),
	amd64 (Fabian Keil <freebsd-listen@fabiankeil.de>)
2013-02-12 16:57:20 +00:00
glebius
a69aaa7721 Mechanically substitute flags from historic mbuf allocator with
malloc(9) flags in sys/dev.
2012-12-04 09:32:43 +00:00
ken
877f7e22dc Fix an issue that caused the kernel to panic inside CTL when trying
to attach to target capable HBAs that implement the old immediate
notify (XPT_IMMED_NOTIFY) and notify acknowledge (XPT_NOTIFY_ACK)
CCBs.  The new API has been in place since SVN change 196008 in
2009.

The solution is two-fold:  fix CTL to handle the responses from the
HBAs, and convert the HBA drivers in question to use the new API.

These drivers have not been tested with CTL, so how well they will
interoperate with CTL is unknown.

scsi_target.c:	Update the userland target example code to use the
		new immediate notify API.

scsi_ctl.c:	Detect when an immediate notify CCB is returned
		with CAM_REQ_INVALID or CAM_PROVIDE_FAIL status,
		and just free it.

		Fix a duplicate assignment.

aic79xx.c,
aic79xx_osm.c:	Update the aic79xx driver to use the new API.
		Target mode is not enabled on for this driver, so
		the changes will have no practical effect.

aic7xxx.c,
aic7xxx_osm.c:	Update the aic7xxx driver to use the new API.

sbp_targ.c:	Update the firewire target code to work with the
		new API.

mpt_cam.c:	Update the mpt(4) driver to work with the new API.
		Target mode is only enabled for Fibre Channel
		mpt(4) devices.

MFC after:	3 days
2012-06-26 14:51:35 +00:00
sbruno
49a54cdb6a Update sbp_targ such that it can actually handle multiple CTIO's during operation
PR:	kern/119575
2012-01-25 23:33:50 +00:00
kevlo
41b065b8d4 ether_ifattach() sets if_mtu to ETHERMTU, don't bother set it again
Reviewed by:	yongari
2012-01-07 09:41:57 +00:00
marius
17e14c6132 - There's no need to overwrite the default device method with the default
one. Interestingly, these are actually the default for quite some time
  (bus_generic_driver_added(9) since r52045 and bus_generic_print_child(9)
  since r52045) but even recently added device drivers do this unnecessarily.
  Discussed with: jhb, marcel
- While at it, use DEVMETHOD_END.
  Discussed with: jhb
- Also while at it, use __FBSDID.
2011-11-22 21:28:20 +00:00
ed
0c56cf839d Mark all SYSCTL_NODEs static that have no corresponding SYSCTL_DECLs.
The SYSCTL_NODE macro defines a list that stores all child-elements of
that node. If there's no SYSCTL_DECL macro anywhere else, there's no
reason why it shouldn't be static.
2011-11-07 15:43:11 +00:00
ed
e97eae1577 Mark MALLOC_DEFINEs static that have no corresponding MALLOC_DECLAREs.
This means that their use is restricted to a single C file.
2011-11-07 06:44:47 +00:00
ken
949394e8e0 Add descriptor sense support to CAM, and honor sense residuals properly in
CAM.

Desriptor sense is a new sense data format that originated in SPC-3.  Among
other things, it allows for an 8-byte info field, which is necessary to
pass back block numbers larger than 4 bytes.

This change adds a number of new functions to scsi_all.c (and therefore
libcam) that abstract out most access to sense data.

This includes a bump of CAM_VERSION, because the CCB ABI has changed.
Userland programs that use the CAM pass(4) driver will need to be
recompiled.

camcontrol.c:	Change uses of scsi_extract_sense() to use
		scsi_extract_sense_len().

		Use scsi_get_sks() instead of accessing sense key specific
		data directly.

scsi_modes:	Update the control mode page to the latest version (SPC-4).

scsi_cmds.c,
scsi_target.c:	Change references to struct scsi_sense_data to struct
		scsi_sense_data_fixed.  This should be changed to allow the
		user to specify fixed or descriptor sense, and then use
		scsi_set_sense_data() to build the sense data.

ps3cdrom.c:	Use scsi_set_sense_data() instead of setting sense data
		manually.

cam_periph.c:	Use scsi_extract_sense_len() instead of using
		scsi_extract_sense() or accessing sense data directly.

cam_ccb.h:	Bump the CAM_VERSION from 0x15 to 0x16.  The change of
		struct scsi_sense_data from 32 to 252 bytes changes the
		size of struct ccb_scsiio, but not the size of union ccb.
		So the version must be bumped to prevent structure
		mis-matches.

scsi_all.h:	Lots of updated SCSI sense data and other structures.

		Add function prototypes for the new sense data functions.

		Take out the inline implementation of scsi_extract_sense().
		It is now too large to put in a header file.

		Add macros to calculate whether fields are present and
		filled in fixed and descriptor sense data

scsi_all.c:	In scsi_op_desc(), allow the user to pass in NULL inquiry
		data, and we'll assume a direct access device in that case.

		Changed the SCSI RESERVED sense key name and description
		to COMPLETED, as it is now defined in the spec.

		Change the error recovery action for a number of read errors
		to prevent lots of retries when the drive has said that the
		block isn't accessible.  This speeds up reconstruction of
		the block by any RAID software running on top of the drive
		(e.g. ZFS).

		In scsi_sense_desc(), allow for invalid sense key numbers.
		This allows calling this routine without checking the input
		values first.

		Change scsi_error_action() to use scsi_extract_sense_len(),
		and handle things when invalid asc/ascq values are
		encountered.

		Add a new routine, scsi_desc_iterate(), that will call the
		supplied function for every descriptor in descriptor format
		sense data.

		Add scsi_set_sense_data(), and scsi_set_sense_data_va(),
		which build descriptor and fixed format sense data.  They
		currently default to fixed format sense data.

		Add a number of scsi_get_*() functions, which get different
		types of sense data fields from either fixed or descriptor
		format sense data, if the data is present.

		Add a number of scsi_*_sbuf() functions, which print
		formatted versions of various sense data fields.  These
		functions work for either fixed or descriptor sense.

		Add a number of scsi_sense_*_sbuf() functions, which have a
		standard calling interface and print the indicated field.
		These functions take descriptors only.

		Add scsi_sense_desc_sbuf(), which will print a formatted
		version of the given sense descriptor.

		Pull out a majority of the scsi_sense_sbuf() function and
		put it into scsi_sense_only_sbuf().  This allows callers
		that don't use struct ccb_scsiio to easily utilize the
		printing routines.  Revamp that function to handle
		descriptor sense and use the new sense fetching and
		printing routines.

		Move scsi_extract_sense() into scsi_all.c, and implement it
		in terms of the new function, scsi_extract_sense_len().
		The _len() version takes a length (which should be the
		sense length - residual) and can indicate which fields are
		present and valid in the sense data.

		Add a couple of new scsi_get_*() routines to get the sense
		key, asc, and ascq only.

mly.c:		Rename struct scsi_sense_data to struct
		scsi_sense_data_fixed.

sbp_targ.c:	Use the new sense fetching routines to get sense data
		instead of accessing it directly.

sbp.c:		Change the firewire/SCSI sense data transformation code to
		use struct scsi_sense_data_fixed instead of struct
		scsi_sense_data.  This should be changed later to use
		scsi_set_sense_data().

ciss.c:		Calculate the sense residual properly.  Use
		scsi_get_sense_key() to fetch the sense key.

mps_sas.c,
mpt_cam.c:	Set the sense residual properly.

iir.c:		Use scsi_set_sense_data() instead of building sense data by
		hand.

iscsi_subr.c:	Use scsi_extract_sense_len() instead of grabbing sense data
		directly.

umass.c:	Use scsi_set_sense_data() to build sense data.

		Grab the sense key using scsi_get_sense_key().

		Calculate the sense residual properly.

isp_freebsd.h:	Use scsi_get_*() routines to grab asc, ascq, and sense key
		values.

		Calculate and set the sense residual.

MFC after:	3 days
Sponsored by:	Spectra Logic Corporation
2011-10-03 20:32:55 +00:00
imp
e42b865a6d When we see an interrupt status of 0xffffffff, check to see if the
child is still present.  If not, return 'handled' and don't print
anything (this is expected behavior).  We expect an interrupt on eject,
power-down and/or shutdown.
2011-06-21 03:07:59 +00:00
marius
956d767e8b Allocate the DMA memory shared between the host and the controller as
coherent.

MFC after:	2 weeks
2011-03-11 22:19:49 +00:00
dougb
a022791606 Remove references to MAKEDEV(8) 2010-11-15 05:25:51 +00:00
brucec
a214614eb0 Fix grammar. 2010-10-18 14:26:29 +00:00
avg
c9fe8ad7f0 bus_add_child: change type of order parameter to u_int
This reflects actual type used to store and compare child device orders.
Change is mostly done via a Coccinelle (soon to be devel/coccinelle)
semantic patch.
Verified by LINT+modules kernel builds.

Followup to:	r212213
MFC after:	10 days
2010-09-10 11:19:03 +00:00
imp
32c8cb7065 Cast a bus_size_t to a (size_t) to use %zd specifier. Not quite the
right thing to do, but it is in compat code I don't want to sort out
at the moment.
2010-03-29 17:24:23 +00:00