- 02 May, 2008 12 commits
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Miquel van Smoorenburg authored
Create a /sys/class/dpt_i2o directory and populate it with dptiN directories. Each dptiN directory contains a "dev" file that makes udev create /dev/dptiN Signed-off-by:
Miquel van Smoorenburg <miquels@cistron.nl> Acked-by:
Mark Salyzyn <Mark_Salyzyn@adaptec.com> Signed-off-by:
James Bottomley <James.Bottomley@HansenPartnership.com>
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Miquel van Smoorenburg authored
This is the code to actually support 64 bit platforms. 64 bit DMA is enabled on both x86_32 PAE and 64 bit platforms. This code is based in part on the unofficial adaptec 64-bit dpt_i2o driver update that I got from Mark Salyzyn at Adaptec. Signed-off-by:
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Miquel van Smoorenburg authored
Remove virt_to_bus/bus_to_virt code from dpt_i2o, and use dma_alloc_coherent() / dma_free_coherent(). This is in preparation of 64-bit support, dma_alloc_coherent() can allocate memory in the lower 32 bits of physical memory which is needed because the HBA only supports message blocks under 4GB This code is based in part on the unofficial adaptec 64-bit dpt_i2o driver update that I got from Mark Salyzyn at Adaptec. Signed-off-by:
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Miquel van Smoorenburg authored
Update dpt_i2o.c to use the standard __init / __exit code instead of the legacy '#include "scsi_module.c"' code. This is needed in preparation of 64-bit support. scsi_module.c calls scsi_add_host() with the device pointer set to NULL, and that crashes code like arch/x64/kernel/pci-gart_64.c::need_iommu(). The reboot_notifier code is deleted because it wasn't compiled in ever anyway, and it would be useless to duplicate it in the new code. Signed-off-by:
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Jiri Slaby authored
megaraid_sas suspend and resume are inappropriatelly placed in __devinit section. Remove those placements and make the stuff dependent on CONFIG_PM. While at it, mark remove function as __devexit. Signed-off-by:
Jiri Slaby <jirislaby@gmail.com> Acked-by:
"Yang, Bo" <Bo.Yang@lsi.com> Signed-off-by:
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Mark Salyzyn authored
For firmware that supports the feature(s), add the ability to start or stop an array using the associated SCSI commands, to automatically manage the spin-up of an array on new I/O reporting back the appropriate check conditions and actions in cooperation with the normal timeout mechanisms and enable the blackout period management in the Firmware associated with the background spin-down of the arrays when the Firmware times out and deems the arrays as idle. Signed-off-by:
Mark Salyzyn <aacraid@adaptec.com> Signed-off-by:
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Mark Salyzyn authored
As JBOD devices (really just Simple Single Drive Volumes exported to the SCSI channel) are managed, they fail to update correctly when the driver triggers a SCSI scan. In addition, the ability to change multiple arrays or JBODs at the same time was resulting in dropped scans, set up a mechanism to issue a list of single target scans on a single configuration change notification from the Firmware. Performed some additional sundry cosmetic code style cleanups. Signed-off-by:
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Mark Salyzyn authored
On some compile environments, warnings are produced regarding the usage of aac_logical_to_phys macro. Signed-off-by:
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Boaz Harrosh authored
Add support for variable-length, extended, and vendor specific CDBs to scsi-ml. It is now possible for initiators and ULD's to issue these types of commands. LLDs need not change much. All they need is to raise the .max_cmd_len to the longest command they support (see iscsi patch). - clean-up some code paths that did not expect commands to be larger than 16, and change cmd_len members' type to short as char is not enough. Signed-off-by:
Boaz Harrosh <bharrosh@panasas.com> Signed-off-by:
Benny Halevy <bhalevy@panasas.com> Signed-off-by:
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Boaz Harrosh authored
- struct scsi_cmnd had a 16 bytes command buffer of its own. This is an unnecessary duplication and copy of request's cmd. It is probably left overs from the time that scsi_cmnd could function without a request attached. So clean that up. - Once above is done, few places, apart from scsi-ml, needed adjustments due to changing the data type of scsi_cmnd->cmnd. - Lots of drivers still use MAX_COMMAND_SIZE. So I have left that #define but equate it to BLK_MAX_CDB. The way I see it and is reflected in the patch below is. MAX_COMMAND_SIZE - means: The longest fixed-length (*) SCSI CDB as per the SCSI standard and is not related to the implementation. BLK_MAX_CDB. - The allocated space at the request level - I have audit all ISA drivers and made sure none use ->cmnd in a DMA Operation. Same audit was done by Andi Kleen. (*)fixed-length here means commands that their size can be determined by their opcode and the CDB does not carry a length specifier, (unlike the VARIABLE_LENGTH_CMD(0x7f) command). This is actually not exactly true and the SCSI standard also defines extended commands and vendor specific commands that can be bigger than 16 bytes. The kernel will support these using the same infrastructure used for VARLEN CDB's. So in effect MAX_COMMAND_SIZE means the maximum size command scsi-ml supports without specifying a cmd_len by ULD's Signed-off-by: -
FUJITA Tomonori authored
This enables bsg to handle the request length larger than BLK_MAX_CDB (mainly for the variable length CDB format). Signed-off-by:
FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp> Acked-by:
Jens Axboe <jens.axboe@oracle.com> Signed-off-by:
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Mark Salyzyn authored
On Apr 21, 2008, at 8:42 PM, Yinghai Lu wrote: > bisected to: > > commit e6990c64 > Author: Mark Salyzyn <Mark_Salyzyn@adaptec.com> > Date: Mon Apr 14 14:20:16 2008 -0400 > > [SCSI] aacraid: Fix down_interruptible() to check the return value The return value for down_interruptible was incorrectly checked! updated patch enclosed. Signed-off-by:
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- 30 Apr, 2008 5 commits
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bo yang authored
Update the Version and Changelog for megaraid_sas Driver Signed-off-by: Bo Yang<bo.yang@lsi.com> Signed-off-by: -
Brian King authored
Adds support to the ibmvscsi driver to handle non SCSI error status. This is needed to support some new VIOS enhancements. Signed-off-by:
Brian King <brking@linux.vnet.ibm.com> Signed-off-by:
Santiago Leon <santil@us.ibm.com> Signed-off-by:
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Alan D. Brunelle authored
commit: commit 542bd137 Author: James Bottomley <James.Bottomley@HansenPartnership.com> Date: Mon Apr 21 10:57:20 2008 -0500 [SCSI] fix SLUB WARN_ON Fixed another problem in free list handling by moving list allocation from scsi_host_alloc() to scsi_add_host(). Unfortunately it introduced a new failure mode in that hosts can pass straight from alloc to put without going through add, leaving the free list uninitialised. Fix by checking shost->cmd_pool on the release path to see if it got initialised. Signed-off-by:
Alan D. Brunelle <alan.brunelle@hp.com> Signed-off-by:
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Brian King authored
Due to recent device model changes it now no longer tolerates name collisions. This causes a problem for ipr whose "state" attribute collides with an identically named one in the SCSI mid-layer. Rename the ipr driver attribute to be more specific. Signed-off-by:
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Hannes Reinecke authored
Newer Dell CERC firmware (>= 6.62) implement a random deletion handling compatible with the legacy megaraid driver. The legacy handling shifted the target ID by 0x80 only for I/O commands (READ/WRITE/etc), whereas megaraid_mbox shifts the target ID always if random deletion is supported. The resulted in megaraid_mbox sending an INQUIRY to the wrong channel, and not finding any devices, obviously. So we disable the random deletion support if the offending firmware is found. Addresses http://bugzilla.kernel.org/show_bug.cgi?id=6695Signed-off-by:
Hannes Reinecke <hare@suse.de> Signed-off-by:
Andrew Morton <akpm@linux-foundation.org> Acked-by:
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- 27 Apr, 2008 23 commits
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git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi-misc-2.6Linus Torvalds authored
* git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi-misc-2.6: (40 commits) [SCSI] jazz_esp, sgiwd93, sni_53c710, sun3x_esp: fix platform driver hotplug/coldplug [SCSI] aic7xxx: add const [SCSI] aic7xxx: add static [SCSI] aic7xxx: Update _shipped files [SCSI] aic7xxx: teach aicasm to not emit unused debug code/data [SCSI] qla2xxx: Update version number to 8.02.01-k2. [SCSI] qla2xxx: Correct regression in relogin code. [SCSI] qla2xxx: Correct misc. endian and byte-ordering issues. [SCSI] qla2xxx: make qla2x00_issue_iocb_timeout() static [SCSI] qla2xxx: qla_os.c, make 2 functions static [SCSI] qla2xxx: Re-register FDMI information after a LIP. [SCSI] qla2xxx: Correct SRB usage-after-completion/free issues. [SCSI] qla2xxx: Correct ISP84XX verify-chip response handling. [SCSI] qla2xxx: Wakeup DPC thread to process any deferred-work requests. [SCSI] qla2xxx: Collapse RISC-RAM retrieval code during a firmware-dump. [SCSI] m68k: new mac_esp scsi driver [SCSI] zfcp: Add some statistics provided by the FCP adapter to the sysfs [SCSI] zfcp: Print some messages only during ERP [SCSI] zfcp: Wait for free SBAL during exchange config [SCSI] scsi_transport_fc: fc_user_scan correction ...
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Kay Sievers authored
Since commit 43cc71ee Author: Kay Sievers <kay.sievers@vrfy.org> Date: Sat Aug 18 04:40:39 2007 +0200 platform: prefix MODALIAS with "platform:" the platform modalias is prefixed with "platform:". Add MODULE_ALIAS() to the hotpluggable SCSI platform drivers, to re-enable auto loading. [dbrownell@users.sourceforge.net: more drivers, registration fixes] [akpm@linux-foundation.org: fix sgiwd93.c] Signed-off-by:
Kay Sievers <kay.sievers@vrfy.org> Signed-off-by:
David Brownell <dbrownell@users.sourceforge.net> Signed-off-by:
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Denys Vlasenko authored
This patch adds more const keywords where appropriate. Signed-off-by:
Denys Vlasenko <vda.linux@googlemail.com> Acked-by:
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Denys Vlasenko authored
This patch adds static (and sometimes const) keywords where appropriate. Signed-off-by:
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Hannes Reinecke authored
Update the precompiled sequencer code to match the latest aicasm changes. Signed-off-by:
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Hannes Reinecke authored
Add a 'count' variable to each symbol which gets increased every time the symbol is referenced. And then modify the register definition to include counts for symbols which are referenced from the source code only and not from the sequencer code. This will give us an automatic usage count for the symbols with only minimal hand-crafting. Signed-off-by: -
Andrew Vasquez authored
Signed-off-by:
Andrew Vasquez <andrew.vasquez@qlogic.com> Signed-off-by:
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Andrew Vasquez authored
Commit 63a8651f ([SCSI] qla2xxx: Correct infinite-login-retry issue.) introduced a small regression where a successful relogin would result in an fcport's loop_id to be incorrectly reset to FC_NO_LOOP_ID. Only clear-out loopid, if retries have been 'truly' exhausted. Signed-off-by:
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Seokmann Ju authored
There were several places in the driver which could cause byte ordering problem as provided by Al Viro <viro@ZenIV.linux.org.uk>. Signed-off-by:
Seokmann Ju <seokmann.ju@qlogic.com> Signed-off-by:
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Adrian Bunk authored
This patch makes the needlessly global qla2x00_issue_iocb_timeout() static. Signed-off-by:
Adrian Bunk <bunk@kernel.org> Signed-off-by:
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Adrian Bunk authored
This patch makes the following needlessly global functions static: - qla2x00_alloc_work() - qla2x00_post_work() Signed-off-by:
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Andrew Vasquez authored
Original code would (incorrectly) only re-register after a loop-down condition. Also, FDMI registration should be enabled by default. Signed-off-by:
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Andrew Vasquez authored
The driver is incorrectly assuming that the 'sp' reference held in qla2[x00|4xx]_abort_command() is valid after the mailbox command is issued to abort the exchange. It is *not*, as the command may be completed during interrupt context before control is returned to the mailbox caller. Signed-off-by:
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Andrew Vasquez authored
Earlier code could trigger an infinite-retry if 1st invocation returned a non-CS_COMPLETE status. Signed-off-by:
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Andrew Vasquez authored
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Andrew Vasquez authored
Use the more efficient read-DMA'ble-buffer mailbox commands rather than reading a single word/dword at a time. We also remove a bulk of the duplicate mailbox command-handling codes in favor of more generic read-memory() routines (qla2xxx_dump_ram() and qla24xx_dump_ram()). Signed-off-by:
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Finn Thain authored
Replace the mac_esp driver with a new one based on the esp_scsi core. For esp_scsi: add support for sync transfers for the PIO mode, add a new esp_driver_ops method to get the maximum dma transfer size (like the old NCR53C9x driver), and some cleanups. Signed-off-by:
Finn Thain <fthain@telegraphics.com.au> Acked-by:
David S. Miller <davem@davemloft.net> Signed-off-by:
Geert Uytterhoeven <geert@linux-m68k.org> Signed-off-by:
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Swen Schillig authored
The new FCP adapter statistics provide a variety of information about the virtual adapter (subchannel). In order to collect this information the zfcp driver is extended to query this information. The information provided by the new FCP adapter statistics can be fetched by reading from the following files in the sysfs filesystem /sys/class/scsi_host/host<n>/seconds_active /sys/class/scsi_host/host<n>/requests /sys/class/scsi_host/host<n>/megabytes /sys/class/scsi_host/host<n>/utilization These are the statistics on a virtual adapter (subchannel) level. The information provided is raw and not modified or interpreted by any means. No interpretation or modification of the values is done by the zfcp driver. Signed-off-by:
Swen Schillig <swen@vnet.ibm.com> Signed-off-by:
Christof Schmitt <christof.schmitt@de.ibm.com> Signed-off-by:
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Swen Schillig authored
When statistics are polled from sysfs, the statistics use the same commands as the adapter initialization. Change the messages printed here, so they are only printed during initialization and not for each poll of adapter data. Signed-off-by:
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Swen Schillig authored
When sending a exchange config data command, wait for a free SBAL. This does not matter during adapter initialization, but this is required for pulling adapter statistics during high I/O load. Signed-off-by:
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James Smart authored
Way back when, when the fc_user_scan routine was created, it kept some of its original logic that walked the rport list and kicked off a scan. Unfortunately, it didn't keep any of the locking around the rport list, nor did it consider the synchronous nature of the scan invoked. The result, there are some scan requests where the rport list changes, thus a subsequent scan is called on a bogus rport structure and the system NMI's. Signed-off-by:
James Smart <james.smart@emulex.com> Signed-off-by:
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Jeff Garzik authored
- where the 'irq' function argument is known never to be used, rename it to 'dummy' to make this more obvious - replace per-irq lookup functions and tables with a direct reference to data object obtained via 'dev_id' function argument, passed from request_irq() Signed-off-by:
Jeff Garzik <jgarzik@redhat.com> Signed-off-by:
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Randy Dunlap authored
scsi_transport_spi.c needs to #include <linux/sysfs.h>: next-20080423/drivers/scsi/scsi_transport_spi.c:1467: error: implicit declaration of function 'sysfs_update_group' make[3]: *** [drivers/scsi/scsi_transport_spi.o] Error 1 Signed-off-by:
Randy Dunlap <randy.dunlap@oracle.com> Signed-off-by:
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