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* USB umass: add quirk to not probeBjoern A. Zeeb2020-12-011-0/+6
| | | | | | | | | | | | | | | | Some USB WLAN devices have "on-board" storage showing up as umass and making the root mount wait for a very long time. The WLAN drivers know how to deal with that an issue an eject command later when attaching themselves. Introduce a quirk to not probe these devices as umass and avoid hangs and confusion altogether. Reviewed by: hselasky, imp MFC after: 1 week Differential Revision: https://reviews.freebsd.org/D27434 Notes: svn path=/head/; revision=368246
* Make MAXPHYS tunable. Bump MAXPHYS to 1M.Konstantin Belousov2020-11-281-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Replace MAXPHYS by runtime variable maxphys. It is initialized from MAXPHYS by default, but can be also adjusted with the tunable kern.maxphys. Make b_pages[] array in struct buf flexible. Size b_pages[] for buffer cache buffers exactly to atop(maxbcachebuf) (currently it is sized to atop(MAXPHYS)), and b_pages[] for pbufs is sized to atop(maxphys) + 1. The +1 for pbufs allow several pbuf consumers, among them vmapbuf(), to use unaligned buffers still sized to maxphys, esp. when such buffers come from userspace (*). Overall, we save significant amount of otherwise wasted memory in b_pages[] for buffer cache buffers, while bumping MAXPHYS to desired high value. Eliminate all direct uses of the MAXPHYS constant in kernel and driver sources, except a place which initialize maxphys. Some random (and arguably weird) uses of MAXPHYS, e.g. in linuxolator, are converted straight. Some drivers, which use MAXPHYS to size embeded structures, get private MAXPHYS-like constant; their convertion is out of scope for this work. Changes to cam/, dev/ahci, dev/ata, dev/mpr, dev/mpt, dev/mvs, dev/siis, where either submitted by, or based on changes by mav. Suggested by: mav (*) Reviewed by: imp, mav, imp, mckusick, scottl (intermediate versions) Tested by: pho Sponsored by: The FreeBSD Foundation Differential revision: https://reviews.freebsd.org/D27225 Notes: svn path=/head/; revision=368124
* Drop "All rights reserved" from all my stuff. This includesEdward Tomasz Napierala2020-10-281-1/+0
| | | | | | | | | | | | Foundation copyrights, approved by emaste@. It does not include files which carry other people's copyrights; if you're one of those people, feel free to make similar change. Reviewed by: emaste, imp, gbe (manpages) Differential Revision: https://reviews.freebsd.org/D26980 Notes: svn path=/head/; revision=367105
* umass: enhance debuggingBjoern A. Zeeb2020-09-041-6/+16
| | | | | | | | | | | | | Investigating a hang I found having some more error information available would be helpful, so be more verbose and also tell cam/xpt status in case of error/panic. Reviewed by: hselasky MFC after: 3 days Differential Revision: https://reviews.freebsd.org/D26287 Notes: svn path=/head/; revision=365335
* umass: fix a cam_sim leak in error caseBjoern A. Zeeb2020-09-041-0/+1
| | | | | | | | | | | | | While debugging a hang I noticed that in case of error in umass_cam_attach_sim() we miss a cam_sim_free() call. Added that to not leak resources. Reviewed by: hselasky MFC after: 3 days Differential Revision: D26287 Notes: svn path=/head/; revision=365334
* usb: clean up empty lines in .c and .h filesMateusz Guzik2020-09-014-25/+0
| | | | Notes: svn path=/head/; revision=365084
* usb(4): Stop checking for failures from malloc(M_WAITOK).Mark Johnston2020-07-221-4/+0
| | | | | | | | | | | | | | Handle the fact that parts of usb(4) can be compiled into the boot loader, where M_WAITOK does not guarantee a successful allocation. PR: 240545 Submitted by: Andrew Reiter <arr@watson.org> (original version) Reviewed by: hselasky MFC after: 1 week Differential Revision: https://reviews.freebsd.org/D25706 Notes: svn path=/head/; revision=363420
* Mark more nodes as CTLFLAG_MPSAFE or CTLFLAG_NEEDGIANT (2 of many)Pawel Biernacki2020-02-154-4/+7
| | | | | | | | | | | | | | | r357614 added CTLFLAG_NEEDGIANT to make it easier to find nodes that are still not MPSAFE (or already are but aren’t properly marked). Use it in preparation for a general review of all nodes. This is non-functional change that adds annotations to SYSCTL_NODE and SYSCTL_PROC nodes using one of the soon-to-be-required flags. Reviewed by: hselasky, kib Approved by: kib (mentor) Differential Revision: https://reviews.freebsd.org/D23632 Notes: svn path=/head/; revision=357972
* Add SPDX identifiers to linux_ptrace.c and cfumass.c.Edward Tomasz Napierala2018-01-241-0/+2
| | | | | | | MFC after: 2 weeks Notes: svn path=/head/; revision=328342
* Do pass removing some write-only variables from the kernel.Alexander Kabaev2017-12-251-2/+1
| | | | | | | | | | | | This reduces noise when kernel is compiled by newer GCC versions, such as one used by external toolchain ports. Reviewed by: kib, andrew(sys/arm and sys/arm64), emaste(partial), erj(partial) Reviewed by: jhb (sys/dev/pci/* sys/kern/vfs_aio.c and sys/kern/kern_synch.c) Differential Revision: https://reviews.freebsd.org/D10385 Notes: svn path=/head/; revision=327173
* sys/dev: further adoption of SPDX licensing ID tags.Pedro F. Giffuni2017-11-273-0/+6
| | | | | | | | | | | | | | | Mainly focus on files that use BSD 2-Clause license, however the tool I was using misidentified many licenses so this was mostly a manual - error prone - task. The Software Package Data Exchange (SPDX) group provides a specification to make it easier for automated tools to detect and summarize well known opensource licenses. We are gradually adopting the specification, noting that the tags are considered only advisory and do not, in any way, superceed or replace the license texts. Notes: svn path=/head/; revision=326255
* Implement use of multiple transfers per I/O.Alexander Motin2017-02-261-101/+40
| | | | | | | | | | This change removes limitation of single S/G list entry and limitation on maximal I/O size, using multiple data transfers per I/O if needed. Also it removes code duplication between send and receive paths, which are now completely equal. Notes: svn path=/head/; revision=314290
* Use ctl_queue_sense() to implement sense data reporting.Alexander Motin2017-02-251-7/+9
| | | | | | | | USB MS BBB transport does not support autosense, so we have to queue any sense data back to CTL for later fetching via REQUEST SENSE. Notes: svn path=/head/; revision=314256
* Update kern_data_resid according to r312291.Alexander Motin2017-02-251-27/+9
| | | | | | | This now mandatory for correct operation. Notes: svn path=/head/; revision=314254
* Add USB Mass Storage CTL frontend. This makes it possibleEdward Tomasz Napierala2017-02-191-0/+1075
| | | | | | | | | | | | | | | | | | | | | | | for USB OTG-capable hardware to implement device side of USB Mass Storage, ie pretend it's a flash drive. It's configured in the same way as other CTL frontends, using ctladm(8) or ctld(8). Differently from usfs(4), all the configuration can be done without rebuilding the kernel. Testing and review is welcome. Right now I'm still moving, and I don't have access to my test environment, so I'm somewhat reluctant to making larger changes to this code; on the other hand I don't want to let it sit on Phab until my testing setup is back, because I want to get it into 11.1-RELEASE. Reviewed by: emaste (cursory), wblock (man page) MFC after: 2 weeks Relnotes: yes Sponsored by: The FreeBSD Foundation Differential Revision: https://reviews.freebsd.org/D8787 Notes: svn path=/head/; revision=313959
* Improve USB polling mode by not locking any mutexes, asserting anyHans Petter Selasky2016-09-141-1/+1
| | | | | | | | | | | | | | | | | | | | | mutexes or using any callouts when active. Trying to lock a mutex when KDB is active or the scheduler is stopped can result in infinite wait loops. The same goes for calling callout related functions which in turn lock mutexes. If the USB controller at which a USB keyboard is connected is idle when KDB is entered, polling the USB keyboard via USB will always succeed. Else polling may fail depending on which state the USB subsystem and USB interrupt handler is in. This is unavoidable unless KDB can wait for USB interrupt threads to complete before stalling the CPU(s). Tested by: Bruce Evans <bde@freebsd.org> MFC after: 4 weeks Notes: svn path=/head/; revision=305806
* dev/usb: minor spelling fixes in comments.Pedro F. Giffuni2016-05-022-2/+2
| | | | | | | | | No functional change. Reviewed by: hselasky Notes: svn path=/head/; revision=298932
* Create a USB_PNP_INFO and use it to export the existing PNPWarner Losh2015-12-112-9/+11
| | | | | | | | | | | | | | tables. Some drivers needed some slight re-arrangement of declarations to accommodate this. Change the USB pnp tables slightly to allow better compatibility with the system by moving linux driver info from start of each entry to the end. All other PNP tables in the system have the per-device flags and such at the end of the elements rather that at the beginning. Differential Review: https://reviews.freebsd.org/D3458 Notes: svn path=/head/; revision=292080
* Use define instead of constant.Hans Petter Selasky2015-03-171-2/+1
| | | | | | | Submitted by: Dmitry Luhtionov <dmitryluhtionov@gmail.com> Notes: svn path=/head/; revision=280165
* Make a bunch of USB debug SYSCTLs tunable, so that their value(s) canHans Petter Selasky2015-01-052-2/+2
| | | | | | | be set before the USB device(s) are probed. Notes: svn path=/head/; revision=276701
* Pull in r267961 and r267973 again. Fix for issues reported will follow.Hans Petter Selasky2014-06-281-4/+2
| | | | Notes: svn path=/head/; revision=267992
* Revert r267961, r267973:Glen Barber2014-06-271-2/+4
| | | | | | | | | | | | | 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 Notes: svn path=/head/; revision=267985
* Extend the meaning of the CTLFLAG_TUN flag to automatically check ifHans Petter Selasky2014-06-271-4/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 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 Notes: svn path=/head/; revision=267961
* Adjust various SCSI drivers to handle either a 32-bit or 64-bit lun_id_t,Nathan Whitehorn2013-10-301-19/+18
| | | | | | | | | | 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 Notes: svn path=/head/; revision=257381
* Clear correct data structure.Hans Petter Selasky2013-09-111-1/+3
| | | | | | | | MFC after: 1 week Approved by: re (hrs) Notes: svn path=/head/; revision=255472
* Use DEVMETHOD_END macro defined in sys/bus.h instead of {0, 0} sentinel on ↵Sofian Brabez2013-01-303-3/+5
| | | | | | | | | | device_method_t arrays Reviewed by: cognet Approved by: cognet Notes: svn path=/head/; revision=246128
* Modify the FreeBSD USB kernel code so that it can be compiled directlyHans Petter Selasky2013-01-301-0/+4
| | | | | | | | | | | | | | | | | | | | | | | | | into the FreeBSD boot loader, typically for non-USB aware BIOSes, EFI systems or embedded platforms. This is also useful for out of the system compilation of the FreeBSD USB stack for various purposes. The USB kernel files can now optionally include a global header file which should include all needed definitions required to compile the FreeBSD USB stack. When the global USB header file is included, no other USB header files will be included by default. Add new file containing the USB stack configuration for the FreeBSD loader build. Replace some __FBSDID()'s by /* $FreeBSD$ */ comments. Now all USB files follow the same style. Use cases: - console in loader via USB - loading kernel via USB Discussed with: Hiroki Sato, hrs @ EuroBSDCon Notes: svn path=/head/; revision=246122
* Do not pretend to have autosense data when no such data is available.Alexander Kabaev2013-01-191-3/+7
| | | | | | | | | | | Make umass return an error code if SCSI sense retrieval request has failed. Make sure scsi_error_action honors SF_NO_RETRY and SF_NO_RECOVERY in all cases, even if it cannot parse sense bytes. Reviewed by: hselasky (umass), scottl (cam) Notes: svn path=/head/; revision=245647
* Freeze device queue before returning errors to CAM. This is requiredAlexander Motin2013-01-121-15/+20
| | | | | | | | | for proper error recovery, including keeping original request order. Reviewed by: hselasky Notes: svn path=/head/; revision=245328
* Fix more regression issue after r244503.Hans Petter Selasky2012-12-241-0/+4
| | | | | | | | | | usbd_transfer_setup() does not set a default length for USB transfers. Only the number of frames is automatically setup. MFC after: 1 week Notes: svn path=/head/; revision=244650
* Make sure all USB drivers allocate buffer memoryHans Petter Selasky2012-12-201-83/+87
| | | | | | | | | | | | | | | | through the USB API and/or busdma. The following assumptions have been made: umass - buffers passed from CAM/SCSI layer are OK network - mbufs are OK. Some other nits while at it. MFC after: 1 week Suggested by: imp Notes: svn path=/head/; revision=244503
* Add support for throttling UMASS.Hans Petter Selasky2012-12-201-2/+24
| | | | | | | | | Mostly useful for debugging purposes. MFC after: 1 week Notes: svn path=/head/; revision=244491
* Add the UQ_MSC_NO_PREVENT_ALLOW quirk to handle devices that do not supportMarcel Moolenaar2012-11-051-0/+11
| | | | | | | | | | | | the 'PREVENT/ALLOW MEDIUM REMOVAL' SCSI command. An example of such a device is the STmicro ST72682. We send the SCSI command for every open and close, which can result in a significant amount of spam on the console during boot. Reviewed by: hps@ Notes: svn path=/head/; revision=242628
* Add missing CTLFLAG_TUN flag to tunable sysctls in USB stack.Hans Petter Selasky2012-10-261-2/+1
| | | | | | | | | | | Rearrange the tunables and belonging sysctl declarations, so that they are next to eachother. Submitted by: n_hibma @ MFC after: 1 week Notes: svn path=/head/; revision=242126
* - Remove ancient checks for sim->softc == NULL. It can't be NULL, as it isAlexander Motin2012-10-101-57/+3
| | | | | | | | | | | | set not-NULL during SIM registration and set to UMASS_GONE on destruction. Debug messages there look broken for at least 9 years, as they dereference softc value that was just checked to be equal to NULL. - Remove magic pointer value UMASS_GONE and use simple NULL instead. Found by: Clang Static Analyzer Notes: svn path=/head/; revision=241432
* Fix compiler warnings, mostly signed issues,Hans Petter Selasky2012-04-023-23/+23
| | | | | | | | | when USB modules are compiled with WARNS=9. MFC after: 1 weeks Notes: svn path=/head/; revision=233774
* Style change: Expand redundant #if's. Remove a couple of empty lines.Hans Petter Selasky2012-03-011-101/+12
| | | | | | | MFC after: 1 week Notes: svn path=/head/; revision=232361
* Close a detach race. Make sure all pendingHans Petter Selasky2012-03-011-2/+6
| | | | | | | | | CCB's get canceled at device detach. MFC after: 1 week Notes: svn path=/head/; revision=232358
* Enable power save mode for the USB storage device driver.Hans Petter Selasky2011-11-121-0/+3
| | | | | | | MFC after: 1 week Notes: svn path=/head/; revision=227462
* Style change.Hans Petter Selasky2011-11-123-21/+26
| | | | | | | | | | | | | | | - Make it easier to port the USB code to other platforms by only using one set of memory functions for clearing and copying memory. None of the memory copies are overlapping. This means using bcopy() is not required. - Fix a compile warning when USB_HAVE_BUSDMA=0 - Add missing semicolon in avr32dci. - Update some comments. MFC after: 1 week Notes: svn path=/head/; revision=227461
* Mark all SYSCTL_NODEs static that have no corresponding SYSCTL_DECLs.Ed Schouten2011-11-072-2/+2
| | | | | | | | | 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. Notes: svn path=/head/; revision=227309
* Add descriptor sense support to CAM, and honor sense residuals properly inKenneth D. Merry2011-10-031-13/+16
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 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 Notes: svn path=/head/; revision=225950
* This patch adds automatic detection of USB mass storage devicesHans Petter Selasky2011-09-021-6/+0
| | | | | | | | | | | | | | | which does not support the no synchronize cache SCSI command. The __FreeBSD_version version macro has been bumped and external kernel modules needs to be recompiled after this patch. Approved by: re (kib) MFC after: 1 week PR: usb/160299 Notes: svn path=/head/; revision=225350
* - Export the URIO USB device ID's.Hans Petter Selasky2011-06-241-9/+12
| | | | | | | | | - Add checks for configuration and interface index. MFC after: 3 days Notes: svn path=/head/; revision=223511
* - Move all USB device ID arrays into so-called sections,Hans Petter Selasky2011-06-241-0/+5
| | | | | | | | | | | | | | | sorted according to the mode which they support: host, device or dual mode - Add generic tool to extract these data: tools/bus_autoconf Discussed with: imp Suggested by: Robert Millan <rmh@debian.org> PR: misc/157903 MFC after: 14 days Notes: svn path=/head/; revision=223486
* usb: change to one-pass probing of device driversAndriy Gapon2011-05-182-9/+2
| | | | | | | | | | | | | | | | | | | | | | | | This brings USB bus more in line with how newbus is supposed to be used. Also, because of the two-pass probing the following message was produced by devd in default configuration when almost any USB device was connected: Unknown USB device: vendor <> product <> bus <> This should be fixed now. Note that many USB device drivers pass some information from probe method to attach method via ivars. For this to continue working we rely on the fact that the subr_bus code calls probe method of a winning driver again before calling its attach method in the case where multiple drivers claim to support a device. This is done because device description is set in successful probe methods and we want to get a correct device description from a winning driver. So now this logic is re-used for setting ivars too. Reviewed by: hselasky MFC after: 1 month Notes: svn path=/head/; revision=222051
* Rework change made at r203146. Instead of reporting all wire errors asAlexander Motin2011-04-111-13/+19
| | | | | | | | | | | | | | SCSI status errors to CAM (that was wrong, as it too often turned retriable wire errors into non-retriable REQUEST SENSE errors), do it only for STALL errors on control pipe of the CBI devices. STALL on control pipe is just a one of the ways to report error for CBI devices. PR: usb/150401, usb/154593. Reviewed by: hselasky MFC after: 1 week Notes: svn path=/head/; revision=220535
* Remove unneeded includes of <sys/linker_set.h>. Other headers that useJohn Baldwin2011-01-113-3/+0
| | | | | | | | | it internally contain nested includes. Reviewed by: bde Notes: svn path=/head/; revision=217265
* Allow umass to use bigger transactions for USB 3.0 devices. It is lessAlexander Motin2010-10-161-0/+1
| | | | | | | | | | | | | | | important for USB 2.0 devices and some of them reported to have problems with large transactions. But USB 3.0 benchmarks show that limited number of transactions per second on USB makes impossible to reach high transfer speeds without using bigger transactions. On my tests this change allows to read up to 220MB/s from USB-attached SSD (at block size of 256-512KB), comparing to only 113MB/s without it. Reviewed by: hselasky Notes: svn path=/head/; revision=213931
* Print out correct USB connection speed for USB 3.0 mass storage devices.Hans Petter Selasky2010-10-041-6/+15
| | | | | | | Approved by: thompsa (mentor) Notes: svn path=/head/; revision=213439
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