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* Merge branch 'post-2.6.15' of git://brick.kernel.dk/data/git/linux-2.6-blockLinus Torvalds2006-01-06
|\ | | | | | | | | | | | | Manual fixup for merge with Jens' "Suspend support for libata", commit ID 9b847548663ef1039dd49f0eb4463d001e596bc3. Signed-off-by: Linus Torvalds <torvalds@osdl.org>
| * [BLOCK] add FUA support to libataTejun Heo2006-01-06
| | | | | | | | | | Signed-off-by: Tejun Heo <htejun@gmail.com> Signed-off-by: Jens Axboe <axboe@suse.de>
* | [PATCH] Suspend support for libataJens Axboe2006-01-06
|/ | | | | | | | | | | | | | | | This patch adds suspend patch to libata, and ata_piix in particular. For most low level drivers, they should just need to add the 4 hooks to work. As I can only test ata_piix, I didn't enable it for more though. Suspend support is the single most important feature on a notebook, and most new notebooks have sata drives. It's quite embarrassing that we _still_ do not support this. Right now, it's perfectly possible to suspend the drive in mid-transfer. Signed-off-by: Jens Axboe <axboe@suse.de> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* Merge branch 'upstream-fixes'Jeff Garzik2005-12-13
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| * [libata] mark certain hardware (or drivers) with a no-atapi flagJeff Garzik2005-12-13
| | | | | | | | | | | | | | | | | | | | Some hardware does not support the PACKET command at all. Other hardware supports ATAPI, but the driver does something nasty such as calling BUG() when an ATAPI command is issued. For these such cases, we mark them with a new flag, ATA_FLAG_NO_ATAPI. Initial version contributed by Ben Collins.
* | [PATCH] libata: remove unused qc->waitingTejun Heo2005-12-13
| | | | | | | | | | | | | | | | There is no user of qc->waiting left after ata_exec_internal() changes. Kill the field. Signed-off-by: Tejun Heo <htejun@gmail.com> Signed-off-by: Jeff Garzik <jgarzik@pobox.com>
* | [PATCH] libata: implement ata_exec_internal()Tejun Heo2005-12-13
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This patch implements ata_exec_internal() function which performs libata internal command execution. Previously, this was done by each user by manually initializing a qc, issueing it, waiting for its completion and handling errors. In addition to obvious code factoring, using ata_exec_internal() fixes the following bugs. * qc not freed on issue failure * ap->qactive clearing could race with the next internal command * race between timeout handling and irq * ignoring error condition not represented in tf->status Also, qc & hardware are not accessed anymore once it's completed, making internal commands more conformant with general semantics. ata_exec_internal() also makes it easy to issue internal commands from multiple threads if that becomes necessary. This patch only implements ata_exec_internal(). A following patch will convert all users. Signed-off-by: Tejun Heo <htejun@gmail.com> -- Jeff, all patches have been regenerated against upstream branch as of today. (575ab52a218e4ff0667a6cbd972c3af443ee8713) Also, I took out a debug printk from ata_exec_internal (don't know how that one got left there). Other than that, all patches are identical to the previous posting. Thanks. :-) Signed-off-by: Jeff Garzik <jgarzik@pobox.com>
* | [PATCH] libata: move err_mask to ata_queued_cmdAlbert Lee2005-12-06
| | | | | | | | | | | | | | | | | | | | | | | | - remove err_mask from the parameter list of the complete functions - move err_mask to ata_queued_cmd - initialize qc->err_mask when needed - for each function call to ata_qc_complete(), replace the err_mask parameter with qc->err_mask. Signed-off-by: Albert Lee <albertcc@tw.ibm.com> =============== Signed-off-by: Jeff Garzik <jgarzik@pobox.com>
* | [libata] remove two unused fields from struct ata_portJeff Garzik2005-11-14
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* [libata] minor fixes, new helpersJeff Garzik2005-11-14
| | | | | | | | | | - in ata_dev_identify(), don't assume that all devices are either ATA or ATAPI. In the future, this code will see port multipliers and other devices. - make a debugging printk less verbose - add new helper ata_qc_reinit() - add new helper BPRINTK() and port flag ATA_FLAG_DEBUGMSG, for fine-grained debugging use.
* Merge master.kernel.org:/pub/scm/linux/kernel/git/jejb/scsi-for-linus-2.6Linus Torvalds2005-11-11
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| * [SCSI] remove Scsi_Host_Template typedefChristoph Hellwig2005-11-09
| | | | | | | | Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
* | [PATCH] libata: propogate host private data from probe functionAlan Cox2005-11-11
| | | | | | | | | | | | | | | | | | | | | | | | This will let me chop the code size of several drivers right down. In many cases the actual private data is very useful and constant for a given host controller so being able to just pass it at probe time would be very useful indeed (eg with the via driver would could pass the udma clocking and reduce the code size, or with the AMD one the UDMA multiplier and the offset) Signed-off-by: Alan Cox <alan@redhat.com> Signed-off-by: Jeff Garzik <jgarzik@pobox.com>
* | [PATCH] libata.h needs dma-mapping.hAndrew Morton2005-11-11
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | On Alpha: include/linux/libata.h: In function `ata_pad_alloc': include/linux/libata.h:785: warning: implicit declaration of function `dma_alloc_coherent' include/linux/libata.h:786: warning: assignment makes pointer from integer without a cast include/linux/libata.h: In function `ata_pad_free': include/linux/libata.h:792: warning: implicit declaration of function `dma_free_coherent' (I have a decouple-some-header-files cleanup in -mm, so it's causing some fallout of this nature) Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Jeff Garzik <jgarzik@pobox.com>
* | [libata] eliminate use of drivers/scsi/scsi.h compatibility header/definesJeff Garzik2005-11-07
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* [libata] ATAPI pad allocation fixes/cleanupJeff Garzik2005-11-04
| | | | | | | Use ata_pad_{alloc,free} in two drivers, to factor out common code. Add ata_pad_{alloc,free} to two other drivers, which needed the padding but had not been updated.
* Merge branch 'upstream'Jeff Garzik2005-10-30
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| * [libata] change ata_qc_complete() to take error mask as second argJeff Garzik2005-10-30
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The second argument to ata_qc_complete() was being used for two purposes: communicate the ATA Status register to the completion function, and indicate an error. On legacy PCI IDE hardware, the latter is often implicit in the former. On more modern hardware, the driver often completely emulated a Status register value, passing ATA_ERR as an indication that something went wrong. Now that previous code changes have eliminated the need to use drv_stat arg to communicate the ATA Status register value, we can convert it to a mask of possible error classes. This will lead to more flexible error handling in the future.
* | Merge branch 'upstream'Jeff Garzik2005-10-30
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| * [libata] remove ata_chk_err(), ->check_err() hook.Jeff Garzik2005-10-29
| | | | | | | | | | We now depend on ->tf_read() to provide us with the contents of the Error shadow register.
* | Merge branch 'master'Jeff Garzik2005-10-28
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| * libata: const-ification bombing runJeff Garzik2005-10-22
| | | | | | | | | | | | | | Enforce access rules where appropriate. If the compiler is smart enough, this may buy us an optimization or two as a side effect.
| * libata: turn on block layer clusteringJeff Garzik2005-10-22
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| * Add ide-timing functionality to libata.Alan Cox2005-10-21
| | | | | | | | | | | | | | | | | | | | | | This is needed for full AMD and VIA drivers and possibly more. Functions to turn actual clocking and cycle timings into register values. Also to merge shared timings to compute an optimal timing set. Built from the drivers/ide version by Vojtech Pavlik Signed-off-by: Alan Cox <alan@redhat.com> Signed-off-by: Jeff Garzik <jgarzik@pobox.com>
* | libata: add ata_sg_is_last() helper, use it in several driversJeff Garzik2005-10-18
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* | Merge branch 'upstream'Jeff Garzik2005-10-18
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| * [PATCH] libata CHS: calculate read/write commands and protocol on the fly ↵Albert Lee2005-10-18
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | (revise #6) - merge ata_prot_to_cmd() and ata_dev_set_protocol() as ata_rwcmd_protocol() - pave road for read/write multiple support - remove usage of pre-cached command and protocol values and call ata_rwcmd_protocol() instead Signed-off-by: Albert Lee <albertcc@tw.ibm.com> ============== Signed-off-by: Jeff Garzik <jgarzik@pobox.com>
* | Merge branch 'upstream'Jeff Garzik2005-10-09
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| * libata: add ata_ratelimit(), use it in AHCI driver irq handlerJeff Garzik2005-10-05
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| * libata: bitmask based pci init functions for one or two portsAlan Cox2005-10-04
| | | | | | | | | | | | | | | | | | | | | | | | | | | | This redoes the n_ports logic I proposed before as a bitmask. ata_pci_init_native_mode is now used with a mask allowing for mixed mode stuff later on. ata_pci_init_legacy_port is called with port number and does one port now not two. Instead it is called twice by the ata init logic which cleans both of them up. There are stil limits in the original code left over - IRQ/port mapping for legacy mode should be arch specific values - You can have one legacy mode IDE adapter per PCI root bridge on some systems - Doesn't handle mixed mode devices yet (but is now a lot closer to it)
| * /spare/repo/libata-dev branch 'chs-support'Jeff Garzik2005-09-28
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| | * Merge /spare/repo/linux-2.6/Jeff Garzik2005-09-24
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| | * \ Merge /spare/repo/linux-2.6/ Jeff Garzik2005-09-08
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| | * \ \ Merge libata branch 'chs-support' to latest upstream kernel.Jeff Garzik2005-08-29
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| | * \ \ \ Merge upstream kernel changes into 'C/H/S support' branch of libata.Jeff Garzik2005-06-22
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| | * | | | | [libata] C/H/S support, for older devicesAlbert Lee2005-05-12
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| * | | | | | [PATCH] libata: rename host statesAlbert Lee2005-09-28
| | |_|_|_|/ | |/| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Changes: s/PIO_ST_/HSM_ST_/ and s/pio_task_state/hsm_task_state/. Signed-off-by: Albert Lee <albertcc@tw.ibm.com> Signed-off-by: Jeff Garzik <jgarzik@pobox.com>
* / | | | | libata: fix ATAPI DMA alignment issuesJeff Garzik2005-10-05
|/ / / / / | | | | | | | | | | | | | | | | | | | | | | | | | ATAPI needs to be padded to next 4 byte boundary, if misaligned. Original work by me, many fixes from Tejun Heo.
* | | | / [PATCH] PATCH: remove function for non-PCI as requestedAlan Cox2005-09-16
| |_|_|/ |/| | | | | | | | | | | | | | | Signed-off-by: Alan Cox <alan@redhat.com> Signed-off-by: Jeff Garzik <jgarzik@pobox.com>
* | | | /spare/repo/libata-dev branch 'iomap-try3'Jeff Garzik2005-09-05
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| * | | | [libata] update several drivers to use pci_iomap()/pci_iounmap()Jeff Garzik2005-08-30
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* / | | [libata] allow ATAPI to be enabled with new atapi_enabled module optionJeff Garzik2005-08-30
|/ / / | | | | | | | | | | | | | | | | | | | | | ATAPI is getting close to being ready. To increase exposure, we enable the code in the upstream kernel, but default it to off (present behavior). Users must pass atapi_enabled=1 as a module option (if module) or on the kernel command line (if built in) to turn on discovery of their ATAPI devices.
* | | Merge /spare/repo/linux-2.6/Jeff Garzik2005-08-29
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| * | | libata: fix a few alan-ismsJeff Garzik2005-08-27
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| * | | [PATCH] libata: regularize dma_start/stop argumentsAlan Cox2005-08-26
| | | | | | | | | | | | | | | | | | | | | | | | | | | | Needed for a few PATA drivers. Also fix up a wrong comment. Signed-off-by: Jeff Garzik <jgarzik@pobox.com>
| * | | [PATCH] fix atapi_packet_task vs. intr race (take 2)Tejun Heo2005-08-23
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Interrupts from devices sharing the same IRQ could cause ata_host_intr to finish commands being processed by atapi_packet_task if the commands are using ATA_PROT_ATAPI_NODATA or ATA_PROT_ATAPI_DMA protocol. This is because libata interrupt handler is unaware that interrupts are not expected during that period. This patch adds ATA_FLAG_NOINTR flag to tell the interrupt handler that we're not expecting interrupts. Note that once proper HSM is implemented for interrupt-driven PIO, this should be merged into it and this flag will be removed. ahci.c is a different kind of beast, so it's left alone. * The following drivers use ata_qc_issue_prot and ata_interrupt, so changes in libata core will do. ata_piix sata_sil sata_svw sata_via sata_sis sata_uli * The following drivers use ata_qc_issue_prot and custom intr handler. They need this change to work correctly. sata_nv sata_vsc * The following drivers use custom issue function and intr handler. Currently all custom issue functions don't support ATAPI, so this change is irrelevant, updated for consistency and to avoid later mistakes. sata_promise sata_qstor sata_sx4 Signed-off-by: Tejun Heo <htejun@gmail.com> Signed-off-by: Jeff Garzik <jgarzik@pobox.com>
| * | | libata: trim trailing whitespace.Jeff Garzik2005-07-31
| | |/ | |/| | | | | | | Also, fixup a tabs-to-spaces block of code in ata_piix.
* / | [libata] license change, other bitsJeff Garzik2005-08-28
|/ / | | | | | | | | | | | | | | | | | | | | - changes license of all code from OSL+GPL to plain ole GPL - except for NVIDIA, who hasn't yet responded about sata_nv - copyright holders were already contacted privately - adds info in each driver about where hardware/protocol docs may be obtained - where I have made major contributions, updated copyright dates
* | Automatic merge of /spare/repo/linux-2.6/.git branch HEAD2005-06-03
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| * \ Automatic merge of /spare/repo/linux-2.6/.git branch HEAD2005-06-02
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