- 03 Oct, 2006 4 commits
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Andrew Vasquez authored
iIDMA (Intelligent Interleaved Direct Memory Access) allows for the HBA hardware to send FC frames at the rate at which they can be received by a target device. By taking advantage of the higher link rate, the HBA can maximize bandwidth utilization in a heterogeneous multi-speed SAN. Within a fabric topology, port speed detection is done via a Name Server command (GFPN_ID) followed by a Fabric Management command (GPSC). In an FCAL/N2N topology, port speed is based on the HBA link-rate. Signed-off-by:
Andrew Vasquez <andrew.vasquez@qlogic.com> Signed-off-by:
James Bottomley <James.Bottomley@SteelEye.com>
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Henne authored
Changes the obsolete Scsi_Cmnd to struct scsi_cmnd in the arm subdir of the scsi-subsys. Signed-off-by:
Henrik Kretzschmar <henne@nachtwindheim.de> Acked-by:
Russell King <rmk@arm.linux.org.uk> Signed-off-by:
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Henne authored
Converts the obsolete Scsi_Cmnd to struct scsi_cmnd in the ips-driver. Signed-off-by:
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Guennadi Liakhovetski authored
following an email from John Adams <johna@onevista.com> to me with a patch to enable tmscsim to use blocks up to 1MB and a discussion on linux-scsi, below is a patch to enable clustering for tmscsim. I made it switchable with a module parameter, with default "enable" - in case somebody gets problems with it. Unfortunately, I was not able to check if this alone lets you use any bigger blocks with a tape, as my tape seems to only support 1 block size - only "mt setblk 1" is successful, any other value fails. OTOH, testing on a P-133 showed that enabling clustering alone improves throughput by 10% and reduces CPU load by another 10%, so, seems a worthy thing to do. As for setting max_sectors, that might become a separate patch... Signed-off-by:
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- 01 Oct, 2006 10 commits
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Mike Christie authored
When SCSI-2 they can support luns past 7 and sparse luns. Signed-off-by:
Mike Christie <michaelc@cs.wisc.edu> Signed-off-by:
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Mike Christie authored
support the report luns opcode . Signed-off-by:
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Mike Christie authored
This is from RHEL4. I do not have any info from our bugzilla. All I could find was something like this thread http://lkml.org/lkml/2005/1/7/346 Report lun for linux does not work. It may be our lun format code or it may be the device. It is probably not worth it to add anything special for this device, so the patch just adds BLIST_NOREPORTLUN. Signed-off-by:
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Mike Christie authored
This is from RHEL4. This box can support scsi2 and can also support BLIST_SPARSELUN | BLIST_LARGELUN. Signed-off-by:
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Arne Redlich authored
In scsi_execute_async()'s error path, a struct scsi_io_context allocated with kmem_cache_alloc() is kfree()'d. Obviously kmem_cache_free() should be used instead. Signed-off-by:
Arne Redlich <arne.redlich@xiranet.com> Signed-off-by:
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Ed Lin authored
A new device (id 0x8650, nickname 'yosemite') support is added. It's basically the same, except for following items: - mapping of id and lun by firmware - special handling for some commands in interrupt routine - change of internal copy function for these special commands - different reset handling code - different shutdown notification command Signed-off-by:
Ed Lin <ed.lin@promise.com> Signed-off-by:
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Ed Lin authored
The payload_sz field in struct req_msg is not big enough to indicate the size of req_msg, as its type is u8. It is confirmed that this field is not used by firmware, so cancel it here. Signed-off-by:
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Eric Sesterhenn authored
this overrun was spotted by coverity (cid #1403). If type == ARRAY_SIZE(scsi_device_types), we are off by one. Signed-off-by:
Eric Sesterhenn <snakebyte@gmx.de> Signed-off-by:
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Denis Vlasenko authored
Comment says "Read high byte first as some registers increment..." but code doesn't guarantee that, I think: return ((ahd_inb(ahd, port+1) << 8) | ahd_inb(ahd, port)); Compiler can reorder it. Make the order explicit. Signed-off-by:
Denis Vlasenko <vda.linux@googlemail.com> Signed-off-by:
Andrew Morton <akpm@osdl.org> Fixed rejections and added aic7xxx code Signed-off-by:
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Alan Cox authored
Signed-off-by:
Alan Cox <alan@redhat.com> Signed-off-by:
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- 27 Sep, 2006 1 commit
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Andrew Morton authored
device_reprobe() should return an error code. When it does so, scsi_device_reprobe() should propagate it back. Signed-off-by:
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- 26 Sep, 2006 25 commits
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Eric Sesterhenn authored
gcc 4.1 with some extra warnings show the following: drivers/scsi/ipr.c:6361: warning: comparison of unsigned expression < 0 is always false drivers/scsi/ipr.c:6385: warning: comparison of unsigned expression < 0 is always false drivers/scsi/ipr.c:6415: warning: comparison of unsigned expression < 0 is always false The problem is that rc is of the type u32, which can never be smaller than zero, therefore all three error handling checks get useless. This patch changes it to a normal int, because all usages / all functions it get used with expect an int. Signed-off-by:
Brian King <brking@us.ibm.com> Signed-off-by:
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Henrik Kretzschmar authored
Converts pci_module_init() to pci_register_driver() in the scsi subsys on 23 drivers which only return the value of pci_module_init(). Signed-off-by:
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Eric Sesterhenn authored
another signdness warning from gcc 4.1 drivers/scsi/osst.c:5154: warning: comparison of unsigned expression < 0 is always false The problem is that blk is defined as unsigned, but all usages of it are normal int cases. osst_get_frame_position() and osst_get_sector() return ints and can return negative values. If blk stays an unsigned int, the error check is useless. Signed-off-by:
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Henrik Kretzschmar authored
Free seagate.h from obsolete drivers/scsi.h, remove a double inclusion od linux/delay.h and remove the unneeded scsi/scsi_ioctl.h Signed-off-by:
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Michal Piotrowski authored
Signed-off-by:
Michal Piotrowski <michal.k.k.piotrowski@gmail.com> Acked-by:
"Moore, Eric Dean" <Eric.Moore@lsil.com> Signed-off-by:
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Michal Piotrowski authored
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Michal Piotrowski authored
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Eric W. Biederman authored
When testing on a Unisys machine it was discovered that the megaraid driver would not initialize as it was requesting irq 162 instead of irq 1442 it was assigned. The problem was the irq number had been truncated by being stored in an unsigned char. This patches fixes that problem and the driver now appears to work. The ioctl interface appears fundamentally broken as it exports the irq number to user space in an unsigned char. Signed-off-by:
Eric W. Biederman <ebiederm@xmission.com> Signed-off-by:
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Alexey Dobriyan authored
sparse "defined twice" warning Signed-off-by:
Alexey Dobriyan <adobriyan@gmail.com> Signed-off-by:
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Michal Piotrowski authored
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Randy Dunlap authored
drivers/scsi/dc395x.c:1224: warning: format '%i' expects type 'int', but argument 5 has type 'size_t' Signed-off-by:
Randy Dunlap <rdunlap@xenotime.net> Signed-off-by:
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Brian King authored
Adds support to attach SATA devices to ipr SAS adapters. Signed-off-by:
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Henrik Kretzschmar authored
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Jes Sorensen authored
Original patch from Ian Dall in bugzilla. Set command timeout as specified by the SCSI layer rather than hardcode it to 30 seconds. I have received a couple of reports of people hitting this one with various tape configurations and the patch looks obviously correct. - Jes From http://bugzilla.kernel.org/show_bug.cgi?id=6275 ian@beware.dropbear.id.au (Ian Dall): The command sent to the card was using a 30second timeout regardless of the timeout requested in the scsi command passed down from higher levels. Signed-off-by:Jes Sorensen <jes@sgi.com> Signed-off-by:
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Muli Ben-Yehuda authored
aic94xx relies on external firmware and thus requires FW_LOADER. Signed-off-by:
Muli Ben-Yehuda <muli@il.ibm.com> Signed-off-by:
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Douglas Gilbert authored
This sg driver patch addresses the problem with larger page sizes reported by Brian King in this post: http://marc.theaimsgroup.com/?l=linux-scsi&m=115867718623631&w=2 Some other related matters are also addressed. Some of these prevent oopses when the SG_SCATTER_SZ or scatter_elem_sz are set to inappropriate values. The scatter_elem_sz has been tested up to 4 MB which should make the largest data transfer with one SCSI command, 32 MB less one block, achievable with a relatively small number of elements in the scatter gather list. ChangeLog: - add scatter_elem_sz boot time parameter and sysfs module parameter that is initialized to SG_SCATTER_SZ - the driver will then adjust scatter_elem_sz to be the max(given(scatter_elem_sz), PAGE_SIZE) It will also round it up, if necessary, to be a power of two - clean up sg.h header, correct bad urls and some statements that are no longer valid - make the def_reserved_size sysfs module attribute writable Signed-off-by:
Douglas Gilbert <dougg@torque.net> Signed-off-by:
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James Smart authored
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Heiko Carstens authored
Convert cmm's usage of kernel_thread to kthread_run. Also create the cmmthread at module load time, so it is possible to check if creation of the thread fails. In addition the cmmthread now gets terminated when the module gets unloaded instead of leaving a stale kernel thread. Also check the return values of other registration functions at module load and handle their return values appropriately. Cc: Martin Schwidefsky <schwidefsky@de.ibm.com> Signed-off-by:
Heiko Carstens <heiko.carstens@de.ibm.com> Signed-off-by:
Linus Torvalds <torvalds@osdl.org>
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Jeff Dike authored
Include the host architecture's ptrace-abi.h instead of ptrace.h. There was some cpp mangling of names around the ptrace.h include to avoid symbol clashes between UML and the host architecture. Most of these can go away. The exception is struct pt_regs, which is convenient to have in userspace, but must be renamed in order that UML can define its own. ptrace-x86_64.h needed to have some now-obsolete cpp cruft and a declaration removed. Signed-off-by:
Jeff Dike <jdike@addtoit.com> Cc: David Woodhouse <dwmw2@infradead.org> Signed-off-by:
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Jeff Dike authored
The use of SEGMENT_RPL_MASK in the i386 ptrace.h introduced by x86-allow-a-kernel-to-not-be-in-ring-0.patch broke the UML build, as UML includes the underlying architecture's ptrace.h, but has no easy access to the x86 segment definitions. Rather than kludging around this, as in the past, this patch splits the userspace-usable parts, which are the bits that UML needs, of ptrace.h into ptrace-abi.h, which is included back into ptrace.h. Thus, there is no net effect on i386. As a side-effect, this creates a ptrace header which is close to being usable in /usr/include. x86_64 is also treated in this way for consistency. There was some trailing whitespace there, which is cleaned up. Signed-off-by:
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Alan Cox authored
Ensure current->signal->tty doesn't get freed during log_exec(). Signed-off-by:
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Jeff Dike authored
The KSTK_* macros used an inordinate amount of stack. In order to overcome an impedance mismatch between their interface, which just returns a single register value, and the interface of get_thread_regs, which took a full pt_regs, the implementation created an on-stack pt_regs, filled it in, and returned one field. do_task_stat calls KSTK_* twice, resulting in two local pt_regs, blowing out the stack. This patch changes the interface (and name) of get_thread_regs to just return a single register from a jmp_buf. The include of archsetjmp.h" in registers.h to get the definition of jmp_buf exposed a bogus include of <setjmp.h> in start_up.c. <setjmp.h> shouldn't be used anywhere any more since UML uses the klibc setjmp/longjmp. Signed-off-by:
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Paolo 'Blaisorblade' Giarrusso authored
Clean set_ether_mac usage. Maybe could also be removed, but surely it can't be a global function taking a void* argument. Signed-off-by:
Paolo 'Blaisorblade' Giarrusso <blaisorblade@yahoo.it> Acked-by:
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Jeff Dike authored
timer_irq_inited was useless, so it is removed. Signed-off-by:
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Jeff Dike authored
set_interval returns an error instead of panicing if setitimer fails. Some of its callers now check the return. enable_timer is largely tt-mode-specific, so it is marked as such, and the only skas-mode caller is made to call set-interval instead. user_time_init was a no-value-added wrapper around set_interval, so it is gone. Since set_interval is now called from kernel code, callers no longer pass ITIMER_* to it. Instead, they pass a flag which is converted into ITIMER_REAL or ITIMER_VIRTUAL. Signed-off-by:
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