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path: root/drivers/scsi/aic7xxx/aic79xx_osm.c
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* [SCSI] aic79xx, aic7xxx: Fix incorrect width settingJames Bottomley2007-07-27
| | | | | | | | | | | | | Wide transfers are required for every setting of PPR apart from QAS. It seems the DV code starts at the minimum, which turns on DT and Wide regardless of the setting of max_width. Redo the PPR and period setting routines to respect max_width (i.e. start at period = 10 if it is zero). This fixes bugzilla 8366 Acked-by: "Freels, James D." <freelsjd@ornl.gov> Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
* [SCSI] aic79xx: convert to use the data buffer accessorsFUJITA Tomonori2007-05-26
| | | | | | | | | | - remove the unnecessary map_single path. - convert to use the new accessors for the sg lists and the parameters. Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp> Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
* [SCSI] aic7xxx: make functions staticAdrian Bunk2007-04-01
| | | | | | | Signed-off-by: Adrian Bunk <bunk@stusta.de> Acked-by: Hannes Reinecke <hare@suse.de> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
* [SCSI] aic79xx: remove extra newline from info messageRolf Eike Beer2007-02-16
| | | | | | | | | This extra newline character introduces a completely empty line in dmesg as the calling function itself adds a newline. Signed-off-by: Rolf Eike Beer <eike-kernel@sf-tec.de> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
* [SCSI] aic79xx: use dma_get_required_mask()Hannes Reinecke2007-02-10
| | | | | | | | | | | | | | | | | As originally noted by Frederic Temporelli, the aic79xx supports 64 bit addressing, but the initialization code of the driver is wrong: it tests the available memory size instead of testing the maximum available memory address. This patch uses the correct dma_get_required_mask() macros to determine the correct addressing method. Signed-off-by: Hannes Reinecke <hare@suse.de> Cc: Xavier Bru <xavier.bru@bull.net> CC: Frederic Temporelli <frederic.temporelli@bull.net> cosmetic fixes Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
* [SCSI] aic79xx: Print out signallingHannes Reinecke2006-10-25
| | | | | | | | | | This is a cross-port of a similar patch for aic7xxx; only it's a bit simpler here as we don't support HVD and all controller actually implement this register. I hope. Signed-off-by: Hannes Reinecke <hare@suse.de> Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
* [SCSI] aic79xx: set precompensationHannes Reinecke2006-10-25
| | | | | | | | aic79xx has a special 'iocell' chip which handles the precompensation. If it's set via DV we should make sure to set the chip correctly, too. Signed-off-by: Hannes Reinecke <hare@suse.de> Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
* [SCSI] aic7xxx: cleanupsAdrian Bunk2006-10-25
| | | | | | | | | | | | | | | | - make needlessly global code static - #if 0 the following unused global functions: - aic79xx_core.c: ahd_print_scb - aic79xx_core.c: ahd_suspend - aic79xx_core.c: ahd_resume - aic79xx_core.c: ahd_dump_scbs - aic79xx_osm.c: ahd_softc_comp Signed-off-by: Adrian Bunk <bunk@stusta.de> Signed-off-by: Andrew Morton <akpm@osdl.org> Acked-by: Hannes Reinecke <hare@suse.de> Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
* [SCSI] drivers/scsi: Handcrafted MIN/MAX macro removalAmol Lad2006-10-25
| | | | | | | | | | Cleanups done to use min/max macros from kernel.h. Handcrafted MIN/MAX macros are changed to use macros in kernel.h [akpm@osdl.org: fix warning] Signed-off-by: Amol Lad <amol@verismonetworks.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
* [SCSI] aic7xxx: Adjust .max_sectorsHannes Reinecke2006-10-25
| | | | | | | | According to the adaptec sources aic7xxx / aic79xx really can do 4MB transfers. So we should adjust .max_sectors. Signed-off-by: Hannes Reinecke <hare@suse.de> Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
* IRQ: Maintain regs pointer globally rather than passing to IRQ handlersDavid Howells2006-10-05
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Maintain a per-CPU global "struct pt_regs *" variable which can be used instead of passing regs around manually through all ~1800 interrupt handlers in the Linux kernel. The regs pointer is used in few places, but it potentially costs both stack space and code to pass it around. On the FRV arch, removing the regs parameter from all the genirq function results in a 20% speed up of the IRQ exit path (ie: from leaving timer_interrupt() to leaving do_IRQ()). Where appropriate, an arch may override the generic storage facility and do something different with the variable. On FRV, for instance, the address is maintained in GR28 at all times inside the kernel as part of general exception handling. Having looked over the code, it appears that the parameter may be handed down through up to twenty or so layers of functions. Consider a USB character device attached to a USB hub, attached to a USB controller that posts its interrupts through a cascaded auxiliary interrupt controller. A character device driver may want to pass regs to the sysrq handler through the input layer which adds another few layers of parameter passing. I've build this code with allyesconfig for x86_64 and i386. I've runtested the main part of the code on FRV and i386, though I can't test most of the drivers. I've also done partial conversion for powerpc and MIPS - these at least compile with minimal configurations. This will affect all archs. Mostly the changes should be relatively easy. Take do_IRQ(), store the regs pointer at the beginning, saving the old one: struct pt_regs *old_regs = set_irq_regs(regs); And put the old one back at the end: set_irq_regs(old_regs); Don't pass regs through to generic_handle_irq() or __do_IRQ(). In timer_interrupt(), this sort of change will be necessary: - update_process_times(user_mode(regs)); - profile_tick(CPU_PROFILING, regs); + update_process_times(user_mode(get_irq_regs())); + profile_tick(CPU_PROFILING); I'd like to move update_process_times()'s use of get_irq_regs() into itself, except that i386, alone of the archs, uses something other than user_mode(). Some notes on the interrupt handling in the drivers: (*) input_dev() is now gone entirely. The regs pointer is no longer stored in the input_dev struct. (*) finish_unlinks() in drivers/usb/host/ohci-q.c needs checking. It does something different depending on whether it's been supplied with a regs pointer or not. (*) Various IRQ handler function pointers have been moved to type irq_handler_t. Signed-Off-By: David Howells <dhowells@redhat.com> (cherry picked from 1b16e7ac850969f38b375e511e3fa2f474a33867 commit)
* [PATCH] completions: lockdep annotate on stack completionsPeter Zijlstra2006-10-01
| | | | | | | | | | | All on stack DECLARE_COMPLETIONs should be replaced by: DECLARE_COMPLETION_ONSTACK Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl> Acked-by: Ingo Molnar <mingo@elte.hu> Acked-by: Benjamin Herrenschmidt <benh@kernel.crashing.org> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [SCSI] aic7*: cleanup MODULE_PARM_DESC stringsRandy Dunlap2006-08-19
| | | | | | | | Modify beginning string to be more readable. Remove one trailing newline. Signed-off-by: Randy Dunlap <rdunlap@xenotime.net> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
* [SCSI] aic7[9x]xx: Remove last vestiges of reverse_scanMatthew Wilcox2006-07-09
| | | | | | | Remove last vestiges of the reverse_scan paramater from aic7xxx and aic79xx. Signed-off-by: Matthew Wilcox <matthew@wil.cx> Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
* [SCSI] aic79xx: remove slave_destroyHannes Reinecke2006-06-26
| | | | | | | | | | | | | | | | | | Even with the latest fixes aic79xx still occasionally triggers the BUG_ON in slave_destroy. Rather than trying to figure out the various levels of interaction here I've decided to remove the callback altogether. The primary reason for the slave_alloc / slave_destroy is to keep an index of pointers to the sdevs associated with a given target. However, by changing the arguments to the affected functions slightly it's possible to avoid the use of that index entirely. The only performance penalty we'll incur is in writing the information for /proc/scsi/XXX, as we'll have to recurse over all available sdevs to find the correct ones. But I doubt that reading from /proc is in any way time-critical. Signed-off-by: Hannes Reinecke <hare@suse.de> Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
* [SCSI] drivers/scsi: Use ARRAY_SIZE macroTobias Klauser2006-06-10
| | | | | | | | | Use ARRAY_SIZE macro instead of sizeof(x)/sizeof(x[0]) and remove duplicates of the macro. Signed-off-by: Tobias Klauser <tklauser@nuerscht.ch> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
* [SCSI] aic79xx bus reset updateHannes Reinecke2006-04-13
| | | | | | | | | | | | | | As James B. correctly noted, ahd_reset_channel() in ahd_linux_bus_reset() should be protected by ahd_lock(). However, the main reason for not doing so was a deadlock with the interesting polling mechanism to detect the end a bus reset. This patch replaces the polling mechanism with a saner signalling via flags; it also gives us the benefit of detecting any multiple calls to ahd_reset_channel(). Signed-off-by: Hannes Reinecke <hare@suse.de> Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
* [SCSI] aic79xx: Avoid renegotiation on inquiryHannes Reinecke2006-03-12
| | | | | | | | | Because of some quirk in the SCSI spec the aic79xx driver chose to force a renegotiation when sending an inquiry. This should better be handled by the upper layers if required at all. Signed-off-by: Hannes Reinecke <hare@suse.de> Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
* [SCSI] aic79xx: use BIOS settingsHannes Reinecke2006-03-12
| | | | | | | | This patch fixes the aic79xx driver to properly respond to BIOS settings. Signed-off-by: Hannes Reinecke <hare@suse.de> Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
* [SCSI] aic79xx: Update error recoveryHannes Reinecke2006-03-12
| | | | | | | | This patch updates the error recovery. Routines for TARGET RESET and ABORT COMMAND are split up as the logic is quite dissimilar. Signed-off-by: Hannes Reinecke <hare@suse.de> Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
* [SCSI] aic79xx: Remove dead codeHannes Reinecke2006-03-12
| | | | | Signed-off-by: Hannes Reinecke <hare@suse.de> Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
* [SCSI] aic79xx: use tcq functionsHannes Reinecke2006-03-12
| | | | | | | | | | | | This patch converts aic79xx to use the midlayer-supplied tcq functions. We also set the queuedepth to '1' if tcq is disabled; the aic79xx driver gets confused otherwise. Will set it back to '2' once I figure out how to queue requests in the driver. Signed-off-by: Hannes Reinecke <hare@suse.de> Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
* [SCSI] aic79xx: remove qfrozenHannes Reinecke2006-03-12
| | | | | | | | | | This patch removes the need for platform_data->qfrozen. We're now using complete() instead of semaphores thus simplifying ahd_freeze_simq() quite a lot. This also fixes some deadlocks in the recovery code (again). Signed-off-by: Hannes Reinecke <hare@suse.de> Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
* [SCSI] aic79xx: Fix timer handlingHannes Reinecke2006-01-31
| | | | | | | | | Fix the timer handling in aic79xx to use the SCSI-ML provided handling instead of implementing our own. It also fixes a deadlock in the command recovery code. Signed-off-by: Hannes Reinecke <hare@suse.de> Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
* [SCSI] aic79xx: SLOWCRC fixHannes Reinecke2006-01-31
| | | | | | This patch introduces the SLOWCRC handling for certain buggy chipsets. Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
* [SCSI] aic79xx: Sequencer updateHannes Reinecke2006-01-12
| | | | | | Update sequencer code to Adaptec version 2.0.12-6.3.9. Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
* [SCSI] handle scsi_add_host failure for aic79xx and fix compiler warningJesper Juhl2005-12-14
| | | | | | | | | | Add scsi_add_host() failure handling for aic79xx Also silence a compiler warning : drivers/scsi/aic7xxx/aic79xx_osm.c: In function `ahd_linux_register_host': drivers/scsi/aic7xxx/aic79xx_osm.c:1099: warning: ignoring return value of `scsi_add_host', declared with attribute warn_unused_result Signed-off-by: Jesper Juhl <jesper.juhl@gmail.com> Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
* [SCSI] aic7xxx: reset handler selects a wrong commandVasily Averin2005-11-28
| | | | | | | | | | | | | | | | | To transport scsi reset command to device aic7xxx reset handler looks at the driver's pending_list and searches any proper command. However the search condition has been inverted: ahc_match_scb() returns TRUE if a matched command is found. As a result the reset on required devices did not turn out well, a correctly working neighbour device may be surprised by the reset. aic7xxx reset handler reports about the success, but really the original situation is not corrected yet. Signed-off-by: Vasily Averin <vvs@sw.ru> Naturally, there's a corresponding problem in the aic79xx driver, so I've also added the same fix for that. Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
* [SCSI] aic79xx: remove scsi_assign_lock usageChristoph Hellwig2005-11-06
| | | | | | | | just take the internal lock in queuecommand instead. also switch the only direct use of the internal lock to the wrappers used elsewhere. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
* [SCSI] use scmd_id(), scmd_channel() throughout codeJeff Garzik2005-10-28
| | | | | | | | | | | Wrap a highly common idiom. Makes the code easier to read, helps pave the way for sdev->{id,channel} removal, and adds a token that can easily by grepped-for in the future. There are a couple sdev_id() and scmd_printk() updates thrown in as well. Rejections fixed up and Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
* [SCSI] use sfoo_printk() in driversJeff Garzik2005-10-28
| | | | | Rejections fixed up and Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
* [SCSI] aic7xxx/aic79xx: fix module removal path not to panicJames Bottomley2005-10-02
| | | | | | | | | | | | In these drivers, scsi_remove_host() is called too late, at the point it is called, the driver has already shut down too far to accept any I/O that the shutdown might generate. Any generated I/O actually triggers a panic. Fix this by calling scsi_remove_host() as early as possible and not calling scsi_host_put() until just before we kfree the ahc_softc. Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
* [SCSI] aic7xxx: remove aiclib.cChristoph Hellwig2005-09-04
| | | | | | | | #include of C files and macro tricks to rename symbols are evil and just cause trouble. Let's doublicate the two functions as they're going to go away soon enough anyway. Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
* [SCSI] aic79xx: sane pci probingChristoph Hellwig2005-08-15
| | | | | | | remove ahd_tailq and do sane pci probing. ported over from aic7xxx. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
* [SCSI] aic79xx: fix boot panic with no hardwareJames Bottomley2005-08-09
| | | | | | | | There's a spurious (and illegal since it's marked __exit) call to ahc_linux_exit() in ahc_linux_init() which causes a double list deletion of the transport class; remove it. Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
* [SCSI] aic7xxx/79xx: fix another potential panic due to a non existent targetJames Bottomley2005-08-05
| | | | | | I ran into this one sending bus resets across the hardware. Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
* [SCSI] aic79xx: fixup DT settingHannes Reinecke2005-08-04
| | | | | | | | | | this patch is just a cross-port of the fixup for aic7xxx DT settings. As the same restrictions apply for aic79xx also (DT requires wide transfers) the dt setting routine should be modified equivalently. And an invalid period setting will be caught by ahd_find_syncrate() anyway. Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
* [SCSI] aic79xx: add hold_mcs to the transport parametersJames Bottomley2005-08-03
| | | | | | since this card can support the setting, add it to the parameter list. Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
* [SCSI] aic79xx: fix up transport settingsJames Bottomley2005-08-03
| | | | | | | | | | | | | | | There's a slight problem in the way you've done the transport parameters; reading from the variables actually produces the current settings, not the ones you just set (and there's usually a lag because devices don't renegotiate until the next command goes over the bus). If you set the bit immediately, you get into the situation where the transport parameters report something as being set even if the drive cannot support it. I patched the driver to do it this way and also corrected a panic in the proc routines. Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
* [SCSI] aic79xx: DV parameter settingsHannes Reinecke2005-08-03
| | | | | | | | This patch updates various scsi_transport_spi parameters with the actual parameters used by the driver internally. Domain Validation for all devices should now work properly. Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
* [SCSI] aic79xx: update to use scsi_transport_spiHannes Reinecke2005-08-03
| | | | | | | | | This patch updates the aic79xx driver to take advantage of the scsi_transport_spi infrastructure. Patch is quite a mess as some procedures have been reshuffled to be closer to the aic7xxx driver. Rejections fixed and Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
* [SCSI] aic79xx: Remove busyqHannes Reinecke2005-08-03
| | | | | | | | | | | | | From: Jeff Garzik <jgarzik@pobox.com> This patch removes the busyq in aic79xx and uses the command-queue from the midlayer instead. Additionally some dead code is removed. Signed-off-by: Hannes Reinecke <hare@suse.de> Fixed rejections Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
* [PATCH] turn many #if $undefined_string into #ifdef $undefined_stringOlaf Hering2005-07-27
| | | | | | | | | turn many #if $undefined_string into #ifdef $undefined_string to fix some warnings after -Wno-def was added to global CFLAGS Signed-off-by: Olaf Hering <olh@suse.de> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [SCSI] aic79xx: ahd_linux_dev_reset() cleanupAndrew Morton2005-07-11
| | | | | | | | | | Use the macros consistently in ahd_linux_dev_reset(). If ahd_linux_dev_reset() really can be called with local interrupts disabled then yuk. Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
* aic7xxx/aic79xx_osm: revert completely bogus ahd_linux_queue() patchJeff Garzik2005-06-19
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* merge by hand (fix up qla_os.c merge error)James Bottomley2005-06-17
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| * [SCSI] allow sleeping in ->eh_bus_reset_handler()Jeff Garzik2005-06-17
| | | | | | | | Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
| * [SCSI] allow sleeping in ->eh_device_reset_handler()Jeff Garzik2005-06-17
| | | | | | | | Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
| * [SCSI] allow sleeping in ->eh_abort_handler()Jeff Garzik2005-06-17
| | | | | | | | Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
* | [PATCH] swsusp: ahd_dv_0 can't be stoppedShaohua Li2005-05-28
|/ | | | | | | | | This driver wants to set PF_NOFREEZE. Cc: James Bottomley <James.Bottomley@steeleye.com> Cc: Pavel Machek <pavel@ucw.cz> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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