kernel.git/drivers/scsi/aacraid/linit.c, branch linux-4.6.y

aacraid: Start adapter after updating number of MSIX vectors

2016-06-08T01:23:37Z

commit 116d77fea02e2a5aded7d29ba4c692774cb339f1 upstream. The adapter has to be started after updating the number of MSIX Vectors Fixes: ecc479e00db8 (aacraid: Set correct MSIX count for EEH recovery) Signed-off-by: Raghava Aditya Renukunta Reviewed-by: Johannes Thumshirn Signed-off-by: Martin K. Petersen Signed-off-by: Greg Kroah-Hartman

aacraid: add missing curly braces

2016-03-22T00:25:31Z

gcc-6 warns about obviously wrong indentation for newly added code in aac_slave_configure(): drivers/scsi/aacraid/linit.c: In function 'aac_slave_configure': drivers/scsi/aacraid/linit.c:458:3: warning: statement is indented as if it were guarded by... [-Wmisleading-indentation] sdev->tagged_supported = 1; ^~~~ drivers/scsi/aacraid/linit.c:455:4: note: ...this 'else' clause, but it is not gcc is correct, and evidently this was meant to be within the curly braces that should have been there to start with. This patch adds them, which avoids the warning and makes it clear what was intended here. Nothing changes in behavior because in the 'if' block, the sdev->tagged_supported flag is known to be set already. Signed-off-by: Arnd Bergmann Fixes: 6bf3b630d0a7 ("aacraid: SCSI blk tag support") Reviewed-by: Raghava Aditya Renukunta Signed-off-by: Martin K. Petersen

aacraid: Fix character device re-initialization

2016-02-24T02:27:02Z

During EEH PCI hotplug activity kernel unloads and loads the driver, causing character device to be unregistered(aac_remove_one).When the driver is loaded back using aac_probe_one the character device needs to be registered again for the AIF management tools to work. Fixed by adding code to register character device in aac_probe_one if it is unregistered in aac_remove_one. Signed-off-by: Raghava Aditya Renukunta Reviewed-by: Shane Seymour Reviewed-by: Johannes Thumshirn Signed-off-by: Martin K. Petersen

aacraid: Fix AIF triggered IOP_RESET

2016-02-24T02:27:02Z

while driver removal is in progress or PCI shutdown is invoked, driver kills AIF aacraid thread, but IOCTL requests from the management tools re-start AIF thread leading to IOP_RESET. Fixed by setting adapter_shutdown flag when PCI shutdown is invoked. Signed-off-by: Raghava Aditya Renukunta Reviewed-by: Shane Seymour Reviewed-by: Johannes Thumshirn Reviewed-by: Tomas Henzl Signed-off-by: Martin K. Petersen

aacraid: Created new mutex for ioctl path

2016-02-24T02:27:02Z

aac_mutex was used to create protect the ioctl path for only the compat path, it would be make more sense to place mutex in aac_do_ioctl, which is the main ioctl function call that handles all ioctl commands. Created new mutex ioctl_mutex in struct aac_dev to protect switch case in aac_do_ioctl and removed aac_mutex from aac_cfg_ioctl and aac_compat_do_ioctl Signed-off-by: Raghava Aditya Renukunta Reviewed-by: Tomas Henzl Reviewed-by: Johannes Thumshirn Signed-off-by: Martin K. Petersen

aacraid: Fundamental reset support for Series 7

2016-02-24T02:27:02Z

Series 7 does not support PCI hot reset used by EEH. Enabled fundamental reset only for Series 7 Signed-off-by: Raghava Aditya Renukunta Reviewed-by: Johannes Thumshirn Reviewed-by: Tomas Henzl Signed-off-by: Martin K. Petersen

aacraid: Set correct msix count for EEH recovery

2016-02-24T02:27:02Z

During EEH recovery number of online CPU's might change thereby changing the number of MSIx vectors. Since each fib is allocated to a vector, changes in the number of vectors causes fib to be sent thru invalid vectors.In addition the correct number of MSIx vectors is not updated in the INIT struct sent to the controller, when it is reinitialized. Fixed by reassigning vectors to fibs based on the updated number of MSIx vectors and updating the INIT structure before sending to controller. Fixes: MSI-X vector calculation for suspend/resume Cc: stable@vger.kernel.org Signed-off-by: Raghava Aditya Renukunta Reviewed-by: Shane Seymour Reviewed-by: Johannes Thumshirn Signed-off-by: Martin K. Petersen

aacraid: Added EEH support

2016-02-24T02:27:02Z

Added support for PCI EEH (extended error handling). Signed-off-by: Raghava Aditya Renukunta Reviewed-by: Tomas Henzl Reviewed-by: Johannes Thumshirn Signed-off-by: Martin K. Petersen

aacraid: SCSI blk tag support

2016-02-24T02:27:02Z

The method to allocate and free FIB's in the present code utilizes spinlocks. Multiple IO's have to wait on the spinlock to acquire or free fibs creating a performance bottleneck. An alternative solution would be to use block layer tags to keep track of the fibs allocated and freed. To this end aac_fib_alloc_tag was created to utilize the blk layer tags to plug into the Fib pool.These functions are used exclusively in the IO path. 8 fibs are reserved for the use of AIF management software and utilize the previous spinlock based implementations. Signed-off-by: Raghava Aditya Renukunta Reviewed-by: Shane Seymour Reviewed-by: Johannes Thumshirn Reviewed-by: Tomas Henzl Signed-off-by: Martin K. Petersen

aacraid: aac_release_resources() can be static

2015-11-26T03:27:30Z

Signed-off-by: Fengguang Wu Reviewed-by: Johannes Thumshirn Reviewed-by: Mahesh Rajashekhara Signed-off-by: Martin K. Petersen