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Hardware with MCA bus is limited to 386 and 486 class machines
that are now 20+ years old and typically with less than 32MB
of memory. A quick search on the internet, and you see that
even the MCA hobbyist/enthusiast community has lost interest
in the early 2000 era and never really even moved ahead from
the 2.4 kernels to the 2.6 series.
This deletes anything remaining related to CONFIG_MCA from core
kernel code and from the x86 architecture. There is no point in
carrying this any further into the future.
One complication to watch for is inadvertently scooping up
stuff relating to machine check, since there is overlap in
the TLA name space (e.g. arch/x86/boot/mca.c).
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: James Bottomley <JBottomley@Parallels.com>
Cc: x86@kernel.org
Acked-by: Ingo Molnar <mingo@elte.hu>
Acked-by: H. Peter Anvin <hpa@zytor.com>
Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
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Make sure exported I2O ioctls utilize userspace safe types.
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
Cc: Markus Lidel <Markus.Lidel@shadowconnect.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Signed-off-by: David Woodhouse <dwmw2@infradead.org>
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Changes:
- Added header "core.h" for i2o_core.ko internal definitions
- More sparse fixes
- Changed display of TID's in sysfs attributes from XXX to 0xXXX
- Use the right functions for accessing I/O and normal memory
- Removed error handling of SCSI device errors and let the SCSI layer
take care of it
- Added new device / removed device handling to SCSI-OSM
- Make status access volatile
- Cleaned up activation of I2O controller
- Removed unnecessary wmb() and rmb() calls
- Use own struct i2o_io for I/O memory instead of struct i2o_dma
Signed-off-by: Markus Lidel <Markus.Lidel@shadowconnect.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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and 2400A workaround
Changes:
- Provide SG_IO access to BLOCK and EXECUTIVE class on Adaptec
controllers
- Use PRIVATE messages in SCSI-OSM because on some controllers normal
SCSI class commands like READ or READ CAPACITY cause errors
- Use new DMA and SG list creation function
- Added workaround to limit sectors per request for Adaptec 2400A
controllers
Signed-off-by: Markus Lidel <Markus.Lidel@shadowconnect.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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and 64-bit DMA support
Changes:
- Added Bus-OSM which could be used by user space programs to reset a
channel on the controller
- Make ioctl's in Config-OSM obsolete in prefer for sysfs attributes and
move those to its own file
- Added sysfs attribute for firmware read and write access for I2O
controllers
- Added special handling of firmware read and write access for Adaptec
controllers
- Added vendor id and product id as sysfs-attribute to Executive classes
- Added automatic notification of LCT change handling to Exec-OSM
- Added flushing function to Block-OSM for later barrier implementation
- Use PRIVATE messages for Block access on Adaptec controllers, which are
faster then BLOCK class access
- Cleaned up support for Promise controller
- New messages are now detected using the IRQ status register as
suggested by the I2O spec
- Added i2o_dma_high() and i2o_dma_low() functions
- Added facility for SG tablesize calculation when using 32-bit and
64-bit DMA addresses
- Added i2o_dma_map_single() and i2o_dma_map_sg() which could build the
SG list for 32-bit as well as 64-bit DMA addresses
Signed-off-by: Markus Lidel <Markus.Lidel@shadowconnect.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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Changes:
- Fixed sysfs bug where user and parent links where added to the I2O
device itself
- Fixed bug when calculating TID for the event handler and cleaned up the
workflow of i2o_driver_dispatch()
- Fixed oops when no I2O device could be found for an event delivered to
Exec-OSM
- Fixed initialization of spinlock in Exec-OSM
- Fixed memory leak in i2o_cfg_passthru() and i2o_cfg_passthru()
- Removed MTRR support
- Added PCI ID of Promise SX6000 with firmware >= 1.20.x.x
- Turn of caching for ioremapped memory of in_queue
- Added initialization sequence for Promise controllers
- Moved definition of u8 / u16 / u32 for raidutils before first use
Signed-off-by: Markus Lidel <Markus.Lidel@shadowconnect.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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From: Markus Lidel <Markus.Lidel@shadowconnect.com>
- i2o.h and i2o-dev.h are now formated using Lindent.
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
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From: Markus Lidel <Markus.Lidel@shadowconnect.com>
generic:
- split i2o_core into several files, grouped by same function
- I2O devices are now registered as devices and show up in sysfs
- the various I2O OSM's (e.g. i2o_scsi) now register in the I2O core
and also use the 2.6 driver mechanism.
- I2O messages will be created in the message frame instead of creating
it in local memory and copying it over later on.
- context list for 64 pointer to 32 context conversion now uses a
double linked list
PCI:
- driver now registers as a PCI device driver and uses probe function to
get the possible controllers. (needed for hotplugging)
- converted DMA handling from pci_* to generic dma_* functions
Block OSM:
- use one request queue per I2O block device instead of one per
controller
- I2O block devices and queues are allocated dynamically and therefore
no more limit of block devices
SCSI OSM:
- corrected bug in SCSI reply function which caused the memory to be
freed before the done function was called.
- one I2O controller registers as one scsi host instead of one scsi host
per channel
- no more ch,id,lun => tid mapping table
Config OSM:
- added ioctl32 for passthru and getiops.
- removed ioctl_html
Documentation:
- removed TODO entries from README
- moved docs under Documentation/i2o
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
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From: Markus Lidel <Markus.Lidel@shadowconnect.com>
I have made a mistake in the kernel header i2o-dev.h. All structures there
begin with the "iop" first, but in my structure the order is reversed.
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From: Markus Lidel <Markus.Lidel@shadowconnect.com>
* Add a pass-thru ioctl to i2o_config, which is needed to work with the
Adaptec management software.
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From: Markus Lidel <Markus.Lidel@shadowconnect.com>
drivers/message/i2o/i2o_block.c:
- corrected the initialization sequence of the request queues.
- added initialization to queue spinlocks.
- release device in i2o_scan because else the device could not be queried.
- i2o_block event threads wait on signal KILL but signal TERM was sent.
drivers/message/i2o/i2o_core.c:
- set the HRT length to 0 at initialization, to avoid calling free on
unallocated memory.
- i2o_core event threads wait on signal KILL but signal TERM was sent.
- added a limit of 3 tries to get the HRT from the controller.
- removed the dpt parameter, which was used to force DPT controllers get
handled by the i2o driver. Now all available i2o controllers will be
handled by this driver.
drivers/message/i2o/i2o_scsi.c:
- beautifying of printk calls.
- added scsi_unregister to properly clean up on module unload.
drivers/message/i2o/Kconfig:
- added help for i2o_block and i2o_scsi to describe the differences between
the two drivers.
include/linux/i2o-dev.h:
- cleaned typo "tate" into "state".
include/linux/i2o.h:
- removed defines from i2o_block and insert it here.
(Acked by Alan)
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- Trond Myklebust: deadlock checking in lockd server
- Tim Waugh: fix up parport wrong #define
- Christoph Hellwig: i2c update, ext2 cleanup
- Al Viro: fix partition handling sanity check.
- Trond Myklebust: make NFS use SLAB_NOFS, and not play games with PF_MEMALLOC
- Ben Fennema: UDF update
- Alan Cox: continued merging
- Chris Mason: get /proc buffer memory sizes right after buf-in-page-cache
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