summaryrefslogtreecommitdiffstats
path: root/drivers/scsi
Commit message (Collapse)AuthorAgeFilesLines
* proc 2/2: remove struct proc_dir_entry::ownerAlexey Dobriyan2009-03-312-5/+0
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Setting ->owner as done currently (pde->owner = THIS_MODULE) is racy as correctly noted at bug #12454. Someone can lookup entry with NULL ->owner, thus not pinning enything, and release it later resulting in module refcount underflow. We can keep ->owner and supply it at registration time like ->proc_fops and ->data. But this leaves ->owner as easy-manipulative field (just one C assignment) and somebody will forget to unpin previous/pin current module when switching ->owner. ->proc_fops is declared as "const" which should give some thoughts. ->read_proc/->write_proc were just fixed to not require ->owner for protection. rmmod'ed directories will be empty and return "." and ".." -- no harm. And directories with tricky enough readdir and lookup shouldn't be modular. We definitely don't want such modular code. Removing ->owner will also make PDE smaller. So, let's nuke it. Kudos to Jeff Layton for reminding about this, let's say, oversight. http://bugzilla.kernel.org/show_bug.cgi?id=12454 Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
* Merge branch 'devel' of master.kernel.org:/home/rmk/linux-2.6-armLinus Torvalds2009-03-283-4/+7
|\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * 'devel' of master.kernel.org:/home/rmk/linux-2.6-arm: (422 commits) [ARM] 5435/1: fix compile warning in sanity_check_meminfo() [ARM] 5434/1: ARM: OMAP: Fix mailbox compile for 24xx [ARM] pxa: fix the bad assumption that PCMCIA sockets always start with 0 [ARM] pxa: fix Colibri PXA300 and PXA320 LCD backlight pins imxfb: Fix TFT mode i.MX21/27: remove ifdef CONFIG_FB_IMX imxfb: add clock support mxc: add arch_reset() function clkdev: add possibility to get a clock based on the device name i.MX1: remove fb support from mach-imx [ARM] pxa: build arch/arm/plat-pxa/mfp.c only when PXA3xx or ARCH_MMP defined Gemini: Add support for Teltonika RUT100 Gemini: gpiolib based GPIO support v2 MAINTAINERS: add myself as Gemini architecture maintainer ARM: Add Gemini architecture v3 [ARM] OMAP: Fix compile for omap2_init_common_hw() MAINTAINERS: Add myself as Faraday ARM core variant maintainer ARM: Add support for FA526 v2 [ARM] acorn,ebsa110,footbridge,integrator,sa1100: Convert asm/io.h to linux/io.h [ARM] collie: fix two minor formatting nits ...
| * Merge branch 'master' into develRussell King2009-03-281-1/+1
| |\ | | | | | | | | | | | | | | | Conflicts: arch/arm/include/asm/elf.h arch/arm/kernel/module.c
| | * [ARM] cumana: Fix a long standing bogonAlan Cox2009-03-241-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | Should be using strncmp as the data from user space may be unterminated (Bug #8004) Signed-off-by: Alan Cox <alan@lxorguk.ukuu.org.uk Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
| * | Merge branch 'origin' into develRussell King2009-03-288-66/+57
| |\ \ | | | | | | | | | | | | | | | | Conflicts: sound/soc/pxa/pxa2xx-i2s.c
| * \ \ Merge branch 'for-next' of ↵Russell King2009-03-2517-564/+501
| |\ \ \ | | | |/ | | |/| | | | | git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap-2.6 into devel
| * | | Merge branch 'for-rmk' of git://git.pengutronix.de/git/imx/linux-2.6 into develRussell King2009-03-1331-234/+495
| |\ \ \ | | | | | | | | | | | | | | | | | | | | | | | | | Conflicts: arch/arm/mach-at91/gpio.c
| * \ \ \ Merge branch 'dma' into develRussell King2009-02-213-3/+6
| |\ \ \ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Conflicts: arch/arm/plat-mxc/dma-mx1-mx2.c
| | * | | | [ARM] dma: Use sensible DMA parameters for Acorn driversRussell King2008-12-113-3/+6
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The hardware supports transfers up to a page boundary per buffer. Currently, we work around that in the DMA code by splitting each buffer up as we run through the scatterlist. Avoid this by telling the block layers about the hardware restriction. Eventually, this will allow us to phase out the splitting code, but not until the old IDE layer allows us to control the value it gives to blk_queue_segment_boundary(). Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
* | | | | | Merge git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi-misc-2.6Linus Torvalds2009-03-2874-1107/+26279
|\ \ \ \ \ \ | |_|_|_|_|/ |/| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi-misc-2.6: (119 commits) [SCSI] scsi_dh_rdac: Retry for NOT_READY check condition [SCSI] mpt2sas: make global symbols unique [SCSI] sd: Make revalidate less chatty [SCSI] sd: Try READ CAPACITY 16 first for SBC-2 devices [SCSI] sd: Refactor sd_read_capacity() [SCSI] mpt2sas v00.100.11.15 [SCSI] mpt2sas: add MPT2SAS_MINOR(221) to miscdevice.h [SCSI] ch: Add scsi type modalias [SCSI] 3w-9xxx: add power management support [SCSI] bsg: add linux/types.h include to bsg.h [SCSI] cxgb3i: fix function descriptions [SCSI] libiscsi: fix possbile null ptr session command cleanup [SCSI] iscsi class: remove host no argument from session creation callout [SCSI] libiscsi: pass session failure a session struct [SCSI] iscsi lib: remove qdepth param from iscsi host allocation [SCSI] iscsi lib: have lib create work queue for transmitting IO [SCSI] iscsi class: fix lock dep warning on logout [SCSI] libiscsi: don't cap queue depth in iscsi modules [SCSI] iscsi_tcp: replace scsi_debug/tcp_debug logging with iscsi conn logging [SCSI] libiscsi_tcp: replace tcp_debug/scsi_debug logging with session/conn logging ...
| * | | | | [SCSI] scsi_dh_rdac: Retry for NOT_READY check conditionChauhan, Vijay2009-03-171-0/+6
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This patch adds retry for NOT_READY check condition - Quiesce in progress (02/A1/02) Signed-off-by: Vijay Chauhan<vijay.chauhan@lsi.com> Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
| * | | | | [SCSI] mpt2sas: make global symbols uniqueEric Moore2009-03-173-10/+10
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The ioc_list global symbol is already used in 1st generation mpt fusion drivers, so this patch makes it unique in the 2nd generation driver. I've checked the entire sources, and I don't see any other global system missing the mpt2sas_xxx prefix. Signed-off-by: Eric Moore <eric.moore@lsi.com> Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
| * | | | | [SCSI] sd: Make revalidate less chattyMartin K. Petersen2009-03-172-24/+38
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | sd_revalidate ends up being called several times during device setup. With this patch we print everything during the first scan. Subsequent invocations will only print a message if the parameter in question has actually changed (LUN capacity has increased, etc.). Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com> Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
| * | | | | [SCSI] sd: Try READ CAPACITY 16 first for SBC-2 devicesMatthew Wilcox2009-03-171-3/+24
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | New features are being added to the READ CAPACITY 16 results, so we want to issue it in preference to READ CAPACITY 10. Unfortunately, some devices misbehave when they see a READ CAPACITY 16, so we restrict this command to devices which claim conformance to SPC-3 (aka SBC-2), or claim they have features which are only reported in the READ CAPACITY 16 data. The READ CAPACITY 16 command is optional, even for SBC-2 devices, so we fall back to READ CAPACITY 10 if READ CAPACITY 16 fails. [jejb: don't error if device supports SBC-2 but doesn't support RC16] Signed-off-by: Matthew Wilcox <willy@linux.intel.com> Tested-by: Martin K. Petersen <martin.petersen@oracle.com> Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
| * | | | | [SCSI] sd: Refactor sd_read_capacity()Matthew Wilcox2009-03-141-86/+155
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The sd_read_capacity() function was about 180 lines long and included a backwards goto and a tricky state variable. Splitting out read_capacity_10() and read_capacity_16() (about 50 lines each) reduces sd_read_capacity to about 100 lines and gets rid of the backwards goto and the state variable. I've tried to avoid any behaviour change with this patch. [jejb: upped transfer request to standard recommended 32 for RC16] Signed-off-by: Matthew Wilcox <willy@linux.intel.com> Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
| * | | | | [SCSI] mpt2sas v00.100.11.15Eric Moore2009-03-1320-0/+21993
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * This is new scsi lld device driver from LSI supporting the SAS 2.0 standard. I have split patchs by filename. * Here is list of new 6gb host controllers: LSI SAS2004 LSI SAS2008 LSI SAS2108 LSI SAS2116 * Here are the changes in the 4th posting of this patch set: (1) fix compile errors when SCSI_MPT2SAS_LOGGING is not enabled (2) add mpt2sas to the SCSI Mid Layer Makefile (3) append mpt2sas_ to the naming of all non-static functions (4) fix oops for SMP_PASSTHRU (5) doorbell algorithm imported changes from windows driver * Here are the changes in the 3rd posting of this patch set: (1) add readl following writel from the function that disables interrupts (2) replace 0xFFFFFFFFFFFFFFFFULL with ~0ULL (3) when calling pci_enable_msix, only pass one msix entry (instead of 15). (4) remove the "current HW implementation uses..... " comment in the sources (5) merged bug fix for SIGIO/POLLIN notifcation; reported by the storlib team. * Here are the changes in the 2nd posting of this patch set: (1) use little endian types in the mpi headers (2) merged in bug fix's from inhouse drivers. Signed-off-by: Eric Moore <eric.moore@lsi.com> Tested-by: peter Bogdanovic <pbog@us.ibm.com> Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
| * | | | | [SCSI] ch: Add scsi type modaliasScott James Remnant2009-03-131-0/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The ch module is missing the scsi:t-0x08* alias that would cause it to be auto-loaded when a device of that type if found by udev, requiring udev to have a specific rule just for this one module. This patch adds the alias. Signed-off-by: Scott James Remnant <scott@canonical.com> Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
| * | | | | [SCSI] 3w-9xxx: add power management supportadam radford2009-03-132-3/+100
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Signed-off-by: Adam Radford <aradford@gmail.com> Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
| * | | | | [SCSI] cxgb3i: fix function descriptionsKaren Xie2009-03-135-20/+14
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Limit function descriptions to be one line. Signed-off-by: Karen Xie <kxie@chelsio.com> Signed-off-by: Mike Christie <michaelc@cs.wisc.edu> Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
| * | | | | [SCSI] libiscsi: fix possbile null ptr session command cleanupMike Christie2009-03-131-2/+5
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | If the iscsi eh fires when the current task is a nop, then the task->sc pointer is null. fail_all_commands could then try to do task->sc->device and oops. We actually do not need to access the curr task in this path, because if it is a cmd task the fail_command call will handle this and if it is mgmt task then the flush of the mgmt queues will handle that. Signed-off-by: Mike Christie <michaelc@cs.wisc.edu> Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
| * | | | | [SCSI] iscsi class: remove host no argument from session creation calloutMike Christie2009-03-133-10/+6
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | We do not need to have llds set the host no for the session's parent, because we know the session's parent is going to be the host. This removes it from the session creation callback and converts the drivers. Signed-off-by: Mike Christie <michaelc@cs.wisc.edu> Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
| * | | | | [SCSI] libiscsi: pass session failure a session structMike Christie2009-03-131-3/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The api for conn and session failures is akward because one takes a conn from the lib and one takes a session from the class. This syncs up the interfaces to use structs from the lib. Signed-off-by: Mike Christie <michaelc@cs.wisc.edu> Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
| * | | | | [SCSI] iscsi lib: remove qdepth param from iscsi host allocationMike Christie2009-03-133-11/+8
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The qdepth setting was useful when we needed libiscsi to verify the setting. Now we just need to make sure if older tools passed in zero then we need to set some default. So this patch just has us use the sht->cmd_per_lun or if for LLD does a host per session then we can set it on per host basis. Signed-off-by: Mike Christie <michaelc@cs.wisc.edu> Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
| * | | | | [SCSI] iscsi lib: have lib create work queue for transmitting IOMike Christie2009-03-134-13/+40
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | We were using the shost work queue which ended up being a little akward since all iscsi hosts need a thread for scanning, but only drivers hooked into libiscsi need a workqueue for transmitting. So this patch moves the xmit workqueue to the lib. Signed-off-by: Mike Christie <michaelc@cs.wisc.edu> Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
| * | | | | [SCSI] iscsi class: fix lock dep warning on logoutMike Christie2009-03-131-32/+6
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | We never should hit the lock up that is spit out when lock dep is on and we logout. But we have been using the shost work queue in a odd way. This patch has us use the work queue for scanning instead of creating our own, and this ends up also killing the lock dep warnings. Signed-off-by: Mike Christie <michaelc@cs.wisc.edu> Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
| * | | | | [SCSI] libiscsi: don't cap queue depth in iscsi modulesMike Christie2009-03-131-8/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | There is no need to cap the queue depth in the modules. We set this in userspace and can do that there. For performance testing with ram based targets, this is helpful since we can have very high queue depths. Signed-off-by: Mike Christie <michaelc@cs.wisc.edu> Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
| * | | | | [SCSI] iscsi_tcp: replace scsi_debug/tcp_debug logging with iscsi conn loggingMike Christie2009-03-131-23/+34
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This makes the logging a compile time option and replaces the tcp_debug macro with a iscsi connection one that prints out a driver model id prefix. Signed-off-by: Mike Christie <michaelc@cs.wisc.edu> Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
| * | | | | [SCSI] libiscsi_tcp: replace tcp_debug/scsi_debug logging with session/conn ↵Mike Christie2009-03-131-60/+62
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | logging This makes the logging a compile time option and replaces the scsi_debug and tcp_debug macro with session and connection ones that print out a driver model id prefix. Signed-off-by: Mike Christie <michaelc@cs.wisc.edu> Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
| * | | | | [SCSI] libiscsi: replace scsi_debug logging with session/conn loggingMike Christie2009-03-131-61/+103
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This makes the logging a compile time option and replaces the scsi_debug macro with session and connection ones that print out a driver model id prefix. Signed-off-by: Mike Christie <michaelc@cs.wisc.edu> Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
| * | | | | [SCSI] iscsi tcp: bidi capablePete Wyckoff2009-03-131-0/+7
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Mark iscsi_tcp as being capable of bidirectional transfers. The bsg interface checks this bit before attempting any bidirectional commands. Signed-off-by: Pete Wyckoff <pw@padd.com> Signed-off-by: Boaz Harrosh <bharrosh@panasas.com> Signed-off-by: Mike Christie <michaelc@cs.wisc.edu> Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
| * | | | | [SCSI] libiscsi: fix iscsi pool error pathJean Delvare2009-03-131-3/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Memory freeing in iscsi_pool_free() looks wrong to me. Either q->pool can be NULL and this should be tested before dereferencing it, or it can't be NULL and it shouldn't be tested at all. As far as I can see, the only case where q->pool is NULL is on early error in iscsi_pool_init(). One possible way to fix the bug is thus to not call iscsi_pool_free() in this case (nothing needs to be freed anyway) and then we can get rid of the q->pool check. Signed-off-by: Jean Delvare <jdelvare@suse.de> Signed-off-by: Mike Christie <michaelc@cs.wisc.edu> Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
| * | | | | [SCSI] fcoe: fcoe fc crc offload indication by skb->ip_summedYi Zou2009-03-131-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | If LLD supports FCCRC offload, it should set ip_summed to be CHECKSUM_UNNECESSARY so we don't have to do CRC check again. Signed-off-by: Yi Zou <yi.zou@intel.com> Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
| * | | | | [SCSI] fcoe: add support to FCoE offload support in fcoe_sw through net_deviceYi Zou2009-03-131-0/+38
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This adds implementation of ddp_setup()/ddp_done() in fcoe_sw for its fcoe_sw_libfc_fcn_templ. Signed-off-by: Yi Zou <yi.zou@intel.com> Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
| * | | | | [SCSI] libfc: add support of large receive offload by ddp in fc_fcpYi Zou2009-03-132-2/+63
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | When LLD supports direct data placement (ddp) for large receive of an scsi i/o coming into fc_fcp, we call into libfc_function_template's ddp_setup() to prepare for a ddp of large receive for this read I/O. When I/O is complete, we call the corresponding ddp_done() to get the length of data ddped as well as to let LLD do clean up. fc_fcp_ddp_setup()/fc_fcp_ddp_done() are added to setup and complete a ddped read I/O described by the given fc_fcp_pkt. They would call into corresponding ddp_setup/ddp_done implemented by the fcoe layer. Eventually, fcoe layer calls into LLD's ddp_setup/ddp_done provided through net_device Signed-off-by: Yi Zou <yi.zou@intel.com> Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
| * | | | | [SCSI] fcoe: add support to large send by gso through net_device for fcoe_swYi Zou2009-03-131-1/+11
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Change fcoe_xmit to setup gso for LLD LSO offload as well as CRC offload Signed-off-by: Yi Zou <yi.zou@intel.com> Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
| * | | | | [SCSI] libfc: use lso_max for sequence offloadYi Zou2009-03-131-1/+7
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Make sure for large send is supported by LLD in outgoing FCP data, we are only sending the lso_max a time in one single large send, since that is what supported by LLD. Signed-off-by: Yi Zou <yi.zou@intel.com> Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
| * | | | | [SCSI] fcoe, libfc: check offload features from LLD through netdevYi Zou2009-03-131-1/+28
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This checks if net_devices supports FCoE offload ops in netdev_ops and it if it does, then sets up the corresponding flags in the associated fc_lport. For large send offload, the maximum length supported in one large send is now described by the added lso_max in fc_lport, which is setup initially from netdev->gso_max_size. Signed-off-by: Yi Zou <yi.zou@intel.com> Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
| * | | | | [SCSI] net, fcoe: add ETH_P_FCOE for Fibre Channel over Ethernet (FCoE)Yi Zou2009-03-131-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This adds eth type ETH_P_FCOE for Fibre Channel over Ethernet (FCoE), consequently, the ETH_P_FCOE from fc_fcoe.h and fcoe skb->protocol is not set as ETH_P_FCOE. Signed-off-by: Yi Zou <yi.zou@intel.com> Acked-by: David Miller <davem@davemloft.net> Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
| * | | | | [SCSI] scsi_dh_rdac: Retry mode select for NO_SENSE, ABORTED_COMMAND, ↵Chauhan, Vijay2009-03-121-13/+25
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | UNIT_ATTENTION, NOT_READY(02/04/01) This patch is to add retry for mode select if mode select command is returned with sense NO_SENSE, UNIT_ATTENTION, ABORTED_COMMAND, NOT_READY(02/04/01). This patch reorganise the sense keys from if-else to switch-case format for better maintainability. Signed-off-by: Vijay Chauhan <vijay.chauhan@lsi.com> Acked-by: Chandra Seetharaman <sekharan@us.ibm.com> Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
| * | | | | [SCSI] fix /proc memory leak in the SCSI coreAlan Stern2009-03-121-1/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The SCSI core calls scsi_proc_hostdir_add() from within scsi_host_alloc(), but the corresponding scsi_proc_hostdir_rm() routine is called from within scsi_remove_host(). As a result, if a host is allocated and then deallocated without ever being registered, the host's directory in /proc is leaked. This patch (as1181b) fixes this bug in the SCSI core by moving scsi_proc_hostdir_rm() into scsi_host_dev_release(). Signed-off-by: Alan Stern <stern@rowland.harvard.edu> Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
| * | | | | [SCSI] sym53c8xx: don't flood syslog with negotiation messagesTony Battersby2009-03-122-3/+29
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | sym53c8xx prints a negotiation message after every check condition. This can add up to a lot of messages for removable-medium devices (CD-ROM, tape drives, etc.) that are being polled, since they return check condition when no medium is present. This patch suppresses the negotiation message if it would be the same as the last one printed. Signed-off-by: Tony Battersby <tonyb@cybernetics.com> Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
| * | | | | [SCSI] sym53c8xx: use a queue depth of 1 for untagged devicesTony Battersby2009-03-121-4/+4
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | sym53c8xx uses a command queue depth of 2 for untagged devices, without good reason. This _mostly_ seems to work ok, but it has caused me some subtle problems. For example, I have an application where one thread sends write commands to a tape drive, and another thread sends log sense polling commands. With a queue depth of 2, the polling commands end up being starved for long periods of time while multiple write commands are serviced (this may also be related to the fact the the sg driver queues commands in LIFO order). This problem is fixed by changing the queue depth to 1 for untagged devices. I have tested this change extensively with many different tape drives, medium changers, and disk drives (disk drives of course use tagged commands and are therefore unaffected by this patch). Signed-off-by: Tony Battersby <tonyb@cybernetics.com> Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
| * | | | | [SCSI] sym53c8xx: handle pci_iomap() failuresTony Battersby2009-03-121-26/+36
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | sym_init_device() doesn't check if pci_iomap() fails. It also tries to map device RAM without first checking FE_RAM. 1) Move some initialization from sym_init_device() to the top of sym2_probe(). 2) Rename sym_init_device() to sym_iomap_device(). 3) Call sym_iomap_device() after sym_check_supported() instead of before so that device->chip.features will be set. 4) Check FE_RAM in sym_iomap_device() before mapping RAM. 5) If sym_iomap_device() cannot map registers, then abort. 6) If sym_iomap_device() cannot map RAM, then fall back to not using RAM and continue. 7) Remove the check for FE_RAM in sym_attach() since dev->ram_base is now always set correctly. Signed-off-by: Tony Battersby <tonyb@cybernetics.com> Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
| * | | | | [SCSI] sym53c8xx: unmap pci memory after probe errorsTony Battersby2009-03-121-25/+41
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | During sym2_probe(), sym_init_device() does pci_iomap(), but there is no corresponding pci_iounmap() if an error occurs before sym_attach() copies sym_device::s.{ioaddr,ramaddr} to np. 1) Add the sym_iounmap_device() function. 2) Call sym_iounmap_device() if an error occurs between sym_init_device() and the time sym_attach() allocates np. 3) Make sym_attach() copy sym_device::s.{ioaddr,ramaddr} to np before calling any function that can fail so that sym_free_resources() will do the unmap instead of sym_iounmap_device(). Also fixed by this patch: During sym2_probe(), if sym_check_raid() returns nonzero, then pci_release_regions() is never called. Signed-off-by: Tony Battersby <tonyb@cybernetics.com> Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
| * | | | | [SCSI] sym53c8xx: fix bogus free_irq() on error pathTony Battersby2009-03-121-4/+7
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | If sym_attach() gets an error at or before request_irq(), then sym_free_resources() will call free_irq() for an unregistered interrupt handler. Signed-off-by: Tony Battersby <tonyb@cybernetics.com> Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
| * | | | | [SCSI] sym53c8xx: fix NULL deref on error pathTony Battersby2009-03-121-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | If sym_attach() fails to allocate np, the error path will dereference a NULL pointer for printk. Signed-off-by: Tony Battersby <tonyb@cybernetics.com> Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
| * | | | | [SCSI] sym53c8xx: fix shost use-after-free and memory leakTony Battersby2009-03-121-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This patch fixes two bugs: 1) rmmod sym53c8xx uses shost after freeing it with scsi_put_host(shost). 2) insmod sym53c8xx doesn't call scsi_put_host(shost) if scsi_add_host() fails, causing a memory leak on the error path. Signed-off-by: Tony Battersby <tonyb@cybernetics.com> Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
| * | | | | [SCSI] ipr: Expose debug and fastfail parametersWayne Boyer2009-03-121-2/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Expose the debug and fastfail parameters to /sys/module/ipr/parameters such that they can be enabled/disabled at run time. Signed-off-by: Wayne Boyer <wayneb@linux.vnet.ibm.com> Acked-by: Brian King <brking@linux.vnet.ibm.com> Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
| * | | | | [SCSI] sd: tell the user when a disk's capacity is adjustedAlan Stern2009-03-121-11/+15
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This patch (as1188) combines the tests for decrementing a drive's reported capacity and expands the comment. It also adds an informational message to the system log, informing the user when the reported value has been changed. Signed-off-by: Alan Stern <stern@rowland.harvard.edu> Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
| * | | | | [SCSI] ses: code_set == 1 is tested twiceRoel Kluin2009-03-121-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Signed-off-by: Roel Kluin <roel.kluin@gmail.com> Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
OpenPOWER on IntegriCloud