| Commit message (Collapse) | Author | Age | Files | Lines |
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disable already enabled/disabled SATA features.
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reading. (This was already done for writing to a sysctl). This
requires all SYSCTL setups to specify a type. Most of them are now
checked at compile-time.
Remove SYSCTL_*X* sysctl additions as the print being in hex should be
controlled by the -x flag to sysctl(8).
Succested by: bde
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interface power management, but return ABORT error on attempt to disable
it. Make CAM SATA probe sequence ignore this error, as it is not fatal.
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the code that wanted it. It is named X64 rather than XQUAD since the
quad name is a historical abomination that should not be perpetuated.
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it internally contain nested includes.
Reviewed by: bde
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camcontrol.c: In buildbusdevlist(), don't attempt to get call
getdevid() for an unconfigured device, even when the
verbose flag is set. The cam_open_btl() call will almost
certainly fail.
Probe for the buffer size when issuing the XPT_GDEV_ADVINFO
CCB. Probing for the buffer size first helps us avoid
allocating the maximum buffer size when it really may not
be necessary. This also helps avoid errors from
cam_periph_mapmem() if we attempt to map more than MAXPHYS.
cam_periph.c: In cam_periph_mapmem(), if the XPT_GDEV_ADVINFO CCB
shows a bufsiz of 0, we don't have anything to map,
so just return.
Also, set the maximum mapping size to MAXPHYS
instead of DFLTPHYS for XPT_GDEV_ADVINFO CCBs,
since they don't actually go down to the hardware.
scsi_pass.c: Don't bother mapping the buffer in XPT_GDEV_ADVINFO
CCBs if bufsiz is 0.
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This includes support in the kernel, camcontrol(8), libcam and the mps(4)
driver for SMP passthrough.
The CAM SCSI probe code has been modified to fetch Inquiry VPD page 0x00
to determine supported pages, and will now fetch page 0x83 in addition to
page 0x80 if supported.
Add two new CAM CCBs, XPT_SMP_IO, and XPT_GDEV_ADVINFO. The SMP CCB is
intended for SMP requests and responses. The ADVINFO is currently used to
fetch cached VPD page 0x83 data from the transport layer, but is intended
to be extensible to fetch other types of device-specific data.
SMP-only devices are not currently represented in the CAM topology, and so
the current semantics are that the SIM will route SMP CCBs to either the
addressed device, if it contains an SMP target, or its parent, if it
contains an SMP target. (This is noted in cam_ccb.h, since it will change
later once we have the ability to have SMP-only devices in CAM's topology.)
smp_all.c,
smp_all.h: New helper routines for SMP. This includes
SMP request building routines, response parsing
routines, error decoding routines, and structure
definitions for a number of SMP commands.
libcam/Makefile: Add smp_all.c to libcam, so that SMP functionality
is available to userland applications.
camcontrol.8,
camcontrol.c: Add smp passthrough support to camcontrol. Several
new subcommands are now available:
'smpcmd' functions much like 'cmd', except that it
allows the user to send generic SMP commands.
'smprg' sends the SMP report general command, and
displays the decoded output. It will automatically
fetch extended output if it is available.
'smppc' sends the SMP phy control command, with any
number of potential options. Among other things,
this allows the user to reset a phy on a SAS
expander, or disable a phy on an expander.
'smpmaninfo' sends the SMP report manufacturer
information and displays the decoded output.
'smpphylist' displays a list of phys on an
expander, and the CAM devices attached to those
phys, if any.
cam.h,
cam.c: Add a status value for SMP errors
(CAM_SMP_STATUS_ERROR).
Add a missing description for CAM_SCSI_IT_NEXUS_LOST.
Add support for SMP commands to cam_error_string().
cam_ccb.h: Rename the CAM_DIR_RESV flag to CAM_DIR_BOTH. SMP
commands are by nature bi-directional, and we may
need to support bi-directional SCSI commands later.
Add the XPT_SMP_IO CCB. Since SMP commands are
bi-directional, there are pointers for both the
request and response.
Add a fill routine for SMP CCBs.
Add the XPT_GDEV_ADVINFO CCB. This is currently
used to fetch cached page 0x83 data from the
transport later, but is extensible to fetch many
other types of data.
cam_periph.c: Add support in cam_periph_mapmem() for XPT_SMP_IO
and XPT_GDEV_ADVINFO CCBs.
cam_xpt.c: Add support for executing XPT_SMP_IO CCBs.
cam_xpt_internal.h: Add fields for VPD pages 0x00 and 0x83 in struct
cam_ed.
scsi_all.c: Add scsi_get_sas_addr(), a function that parses
VPD page 0x83 data and pulls out a SAS address.
scsi_all.h: Add VPD page 0x00 and 0x83 structures, and a
prototype for scsi_get_sas_addr().
scsi_pass.c: Add support for mapping buffers in XPT_SMP_IO and
XPT_GDEV_ADVINFO CCBs.
scsi_xpt.c: In the SCSI probe code, first ask the device for
VPD page 0x00. If any VPD pages are supported,
that page is required to be implemented. Based on
the response, we may probe for the serial number
(page 0x80) or device id (page 0x83).
Add support for the XPT_GDEV_ADVINFO CCB.
sys/conf/files: Add smp_all.c.
mps.c: Add support for passing in a uio in mps_map_command(),
so we can map a S/G list at once.
Add support for SMP passthrough commands in
mps_data_cb(). SMP is a special case, because the
first buffer in the S/G list is outbound and the
second buffer is inbound.
Add support for warning the user if the busdma code
comes back with more buffers than will work for the
command. This will, for example, help the user
determine why an SMP command failed if busdma comes
back with three buffers.
mps_pci.c: Add sys/uio.h.
mps_sas.c: Add the SAS address and the parent handle to the
list of fields we pull from device page 0 and cache
in struct mpssas_target. These are needed for SMP
passthrough.
Add support for the XPT_SMP_IO CCB. For now, this
CCB is routed to the addressed device if it supports
SMP, or to its parent if it does not and the parent
does. This is necessary because CAM does not
currently support SMP-only nodes in the topology.
Make SMP passthrough support conditional on
__FreeBSD_version >= 900026. This will make it
easier to MFC this change to the driver without
MFCing the CAM changes as well.
mps_user.c: Un-staticize mpi_init_sge() so we can use it for
the SMP passthrough code.
mpsvar.h: Add a uio and iovecs into struct mps_command for
SMP passthrough commands.
Add a cm_max_segs field to struct mps_command so
that we can warn the user if busdma comes back with
too many segments.
Clear the cm_reply when a command gets freed. If
it is not cleared, reply frames will eventually get
freed into the pool multiple times and corrupt the
pool. (This fix is from scottl.)
Add a prototype for mpi_init_sge().
sys/param.h: Bump __FreeBSD_version to 900026 for the for the
inclusion of the XPT_GDEV_ADVINFO and XPT_SMP_IO
CAM CCBs.
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handle all of them as disabled. This was original cause of the problem,
workarounded by r215453.
MFC after: 1 week
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ATAPI or USB), request only as much data as requested by consumer.
On the way back -- report how much sense data we have actually received.
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zero media and sector size instead of "Medium not present" error,
until some confirmation button is tapped on device.
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existing code caused problems with some SCSI controllers.
A new sysctl kern.cam.ada.spindown_shutdown has been added that controls
whether or not to spin-down disks when shutting down.
Spinning down the disks unloads/parks the heads - this is
much better than removing power when the disk is still
spinning because otherwise an Emergency Unload occurs which may cause damage
to the actuator.
PR: kern/140752
Submitted by: olli
Reviewed by: arundel
Discussed with: mav
MFC after: 2 weeks
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kernel dump time, especially with minidump.
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it is indirectly a d_close method.
Prompted by: kib
Reviewed by: mav
MFC after: 2 weeks
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Add the BIO_ORDERED flag for struct bio and update bio clients to use it.
The barrier semantics of bioq_insert_tail() were broken in two ways:
o In bioq_disksort(), an added bio could be inserted at the head of
the queue, even when a barrier was present, if the sort key for
the new entry was less than that of the last queued barrier bio.
o The last_offset used to generate the sort key for newly queued bios
did not stay at the position of the barrier until either the
barrier was de-queued, or a new barrier (which updates last_offset)
was queued. When a barrier is in effect, we know that the disk
will pass through the barrier position just before the
"blocked bios" are released, so using the barrier's offset for
last_offset is the optimal choice.
sys/geom/sched/subr_disk.c:
sys/kern/subr_disk.c:
o Update last_offset in bioq_insert_tail().
o Only update last_offset in bioq_remove() if the removed bio is
at the head of the queue (typically due to a call via
bioq_takefirst()) and no barrier is active.
o In bioq_disksort(), if we have a barrier (insert_point is non-NULL),
set prev to the barrier and cur to it's next element. Now that
last_offset is kept at the barrier position, this change isn't
strictly necessary, but since we have to take a decision branch
anyway, it does avoid one, no-op, loop iteration in the while
loop that immediately follows.
o In bioq_disksort(), bypass the normal sort for bios with the
BIO_ORDERED attribute and instead insert them into the queue
with bioq_insert_tail(). bioq_insert_tail() not only gives
the desired command order during insertion, but also provides
barrier semantics so that commands disksorted in the future
cannot pass the just enqueued transaction.
sys/sys/bio.h:
Add BIO_ORDERED as bit 4 of the bio_flags field in struct bio.
sys/cam/ata/ata_da.c:
sys/cam/scsi/scsi_da.c
Use an ordered command for SCSI/ATA-NCQ commands issued in
response to bios with the BIO_ORDERED flag set.
sys/cam/scsi/scsi_da.c
Use an ordered tag when issuing a synchronize cache command.
Wrap some lines to 80 columns.
sys/cddl/contrib/opensolaris/uts/common/fs/zfs/vdev_geom.c
sys/geom/geom_io.c
Mark bios with the BIO_FLUSH command as BIO_ORDERED.
Sponsored by: Spectra Logic Corporation
MFC after: 1 month
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be left alone for now.
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by issueing aborts for any pending commands when we're decommssioning
a disk.
MFC after: 3 months
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Approved by: mav
MFC after: 3 days
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GEOM. This information needed for proper soft-RAID's on-disk metadata
reading and writing.
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by timeout/error of one of probe commands, process may continue infinitely.
Make CAM ATA more robust to faulty devices and false positive detections,
abort probe after two restarts on timeouts or ten on other errors.
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locked at appropriate places.
MFC after: 1 week
X-MFC: 208752
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This makes things easier for target implementations to calculate how many
elements they need to allocate.
Discussed with: mjacob, gibbs
MFC after: 1 week
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the case of immediate unconfigure after configure. Hold the periph an
extra count while we have the task to create sysctl context outstanding
so that the periph doesn't go away unexpectedly.
Sponsored by: Panasas
Reviewed by: scsi@
MFC after: 1 month
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MFC after: 2 weeks
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better devices. This can be disabled on a per-device basis using quirks as
well.
This also handles the case where there is actually no connected LUN 0
(which can definitely be the case for storage arrays).
Reviewed by: scsi@
MFC after: 1 month
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for REPORT and SET TARGET PORT GROUP commands (foundations for future work).
Regularize opcodes to be upper case hex.
Pick *one* of tab or space after #define (tab) and stick with that.
MFC after: 2 weeks
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Pointy Hat To: Me
MFC after: 2 Week
X-MFC: 208896
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for a da unit and create a sysctl OID for it.
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Found with: Coverity Prevent(tm)
CID: 3897
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Found with: Coverity Prevent(tm)
CID: 4573
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Found with: Coverity Prevent(tm)
CID: 2986
MFC after: 4 days
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stepping oneself during probing.
Don't blindly decrement a periph probe count.
Reviewed by: scsi@
Obtained from: Alexander Motin, Atillio Rao, Others
MFC after: 1 month
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whole bus (XPT_SCAN_BUS) and a single lun on that bus (XPT_SCAN_LUN).
It's less resource comsumptive than scanning a whole bus when the
caller knows only one target has changes.
Reviewed by: scsi@
Sponsored by: Panasas
MFC after: 1 month
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hook it up to ada(4) also. While at it, rename *ad_firmware_geom_adjust()
to *ata_disk_firmware_geom_adjust() etc now that these are no longer
limited to ad(4).
Reviewed by: mav
MFC after: 3 days
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reason.
Reviewed by: mav
MFC after: 3 days
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previously submitted was wrong.
Point hat: mjacob
X-MFC: 207933
MFC after: 1 week
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solution.
Sponsored by: Panasas
MFC after: 1 week
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- device initiated power management (some devices support only this way);
- Automatic Partial to Slumber Transition (more power saving);
- DMA auto-activation (expected to slightly improve performance).
More features could be added later, when hardware supports.
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usual operation, but required in some conditions to make queue running
after being shrinked.
MFC after: 3 days
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As scottl@ noticed, max_target/max_lun was intended to be only a hint for
existing bus scanner. Some FC/SAS SIMs report fake values there, that are
smaller then maximum supported IDs. In that case this check makes impossible
manual scan outside hinted range.
For ATA/SATA SIMs respective check was instead implemented at SIM level.
Newer SCSI SIMs expected to have these checks at driver or firmware level.
Some older SCSI SIMs have no this check and the issues will get back there.
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to not confuse target ID checks at SIMs.
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Reprobe immediately following this should have fresh data.
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Move PI_TAG_ABLE check from ada driver to ATA XPT.
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d_mediasize
CD_FLAG_VALID_TOC is not required for setting those media properties.
PR: kern/145385
Submitted by: Juergen Lock <nox@jelal.kn-bremen.de>
a slightly different version
Tested by: Pavel Sukhoy <sukhoy@ripn.net>,
Markus Wild <m.wild@cybernet.ch>,
Juergen Lock <nox@jelal.kn-bremen.de>,
uqs
MFC after: 1 week
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race conditions in callbacks/downcalls.
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MFC after: 1 week
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xpt_done for queued requests. This solves the problem of
indefinite hangs for unspecified transports when XPT_SCAN_BUS
is called.
A few minor cosmetics elsewhere.
MFC after: 1 week
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MFC after: 1 month
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positives on VMWare's virtual CD-ROMs.
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