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Author SHA1 Message Date
Asai Thambi S P 4e8670e261 mtip32xx: removed the irrelevant argument of mtip_hw_submit_io() and the unused member of struct driver_data
Removed the following:
	* irrelevant argument 'barrier' of mtip_hw_submit_io()
	* unused member 'eh_active' of struct driver_data

Signed-off-by: Asai Thambi S P <asamymuthupa@micron.com>
Signed-off-by: Sam Bradshaw <sbradshaw@micron.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
2012-02-07 07:54:31 +01:00
Asai Thambi S P 62ee8c13e2 mtip32xx: do rebuild monitoring asynchronously
Earlier, rebuild monitoring was done in the context of probe. Now the service
thread takes the responsibility of rebuild monitoring, and probe returns good
status.

Signed-off-by: Asai Thambi S P <asamymuthupa@micron.com>
Signed-off-by: Sam Bradshaw <sbradshaw@micron.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
2012-01-04 22:01:32 +01:00
Dan Carpenter 3e54a3d1b8 mtip32xx: uninitialized variable in mtip_quiesce_io()
We recently introduce new continue in the loop which make gcc complain.
In theory if MTIP_FLAG_SVC_THD_ACTIVE_BIT is set, we could hit continue
over and over until eventually we time out of the loop.  In that case
"active" should be set as true, but right now it's uninitialized.

Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
2011-11-24 12:59:00 +01:00
Asai Thambi S P 60ec0eecfa mtip32xx: updates based on feedback
* queue ncq commands when a non-ncq is in progress or error handling is active
* merge variables 'internal_cmd_in_progress' and 'eh_active' into new variable 'flags'
* get rid of read/write semaphore 'internal_sem'
* new service thread to issue queued commands
* use macros from ata.h for command codes
* return ENOTTY for BLKFLSBUF ioctl
* style changes

Signed-off-by: Asai Thambi S P <asamymuthupa@micron.com>
Signed-off-by: Sam Bradshaw <sbradshaw@micron.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
2011-11-23 08:29:24 +01:00
Jens Axboe a71f483d79 mtip32xx: update to new ->make_request() API
Signed-off-by: Jens Axboe <axboe@kernel.dk>
2011-11-05 08:36:21 +01:00
Jens Axboe 0e838c624e mtip32xx: add module.h include to avoid conflict with moduleh tree
Signed-off-by: Jens Axboe <axboe@kernel.dk>
2011-11-05 08:35:10 +01:00
Jens Axboe 3ff147d3a8 mtip32xx: mark a few more items static
Missed two items: mtip_major, and mtip_pci_driver.

Signed-off-by: Jens Axboe <axboe@kernel.dk>
2011-11-05 08:35:10 +01:00
Jens Axboe 6316668fbc mtip32xx: ensure that all local functions are static
Kill the declarations in the header file and mark them as static.
Reshuffle a few functions to ensure that everything is properly
declared before being used.

Signed-off-by: Jens Axboe <axboe@kernel.dk>
2011-11-05 08:35:10 +01:00
Jens Axboe ef0f158734 mtip32xx: cleanup compat ioctl handling
Do the conversion/copy up front instead of passing in a compat flag
to the ioctl handler and subsequently to the exec_drive_taskfile()
function.

Signed-off-by: Jens Axboe <axboe@kernel.dk>
2011-11-05 08:35:10 +01:00
Jens Axboe 16d02c040b mtip32xx: fix warnings/errors on 32-bit compiles
We need to clean up the compat ioctl handling, but this makes it
work for now at least.

Signed-off-by: Jens Axboe <axboe@kernel.dk>
2011-11-05 08:35:10 +01:00
Sam Bradshaw 88523a6155 block: Add driver for Micron RealSSD pcie flash cards
This adds mtip32xx, a driver supporting Microns line of
pci-express flash storage cards.

Signed-off-by: Asai Thambi S P <asamymuthupa@micron.com>
Signed-off-by: Sam Bradshaw <sbradshaw@micron.com>
Signed-off-by: Jens Axboe <jaxboe@fusionio.com>
2011-11-05 08:35:10 +01:00