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path: root/arch/s390/include/asm/eadm.h
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2013-11-15s390/scm_block: do not hide eadm subchannel dependencySebastian Ott1-12/+1
Stop hiding scm_block's dependency to the eadm subchannel driver (by using functions provided by the eadm subchannel instead of wrappers provided by the scm bus). This will help userspace recognizing module dependencies (e.g. for building a ramdisk). As a side effect we can get rid of some code reimplementing refcounting between those modules. Reported-by: Hendrik Brueckner <brueckner@linux.vnet.ibm.com> Reviewed-by: Peter Oberparleiter <peter.oberparleiter@de.ibm.com> Signed-off-by: Sebastian Ott <sebott@linux.vnet.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
2013-03-07s390/scm: process availabilitySebastian Ott1-1/+1
Let the bus code process scm availability information and notify scm device drivers about the new state. Reviewed-by: Peter Oberparleiter <peter.oberparleiter@de.ibm.com> Signed-off-by: Sebastian Ott <sebott@linux.vnet.ibm.com> Signed-off-by: Peter Oberparleiter <peter.oberparleiter@de.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
2013-03-07s390/scm_blk: suspend writesSebastian Ott1-0/+2
Stop writing to scm after certain error conditions such as a concurrent firmware upgrade. Resume to normal state once scm_blk_set_available is called (due to an scm availability notification). Reviewed-by: Peter Oberparleiter <peter.oberparleiter@de.ibm.com> Signed-off-by: Sebastian Ott <sebott@linux.vnet.ibm.com> Signed-off-by: Peter Oberparleiter <peter.oberparleiter@de.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
2013-03-07s390/scm_drv: extend notify callbackSebastian Ott1-1/+3
Extend the notify callback of scm_driver by an event parameter to allow to distinguish between different notifications. Reviewed-by: Peter Oberparleiter <peter.oberparleiter@de.ibm.com> Signed-off-by: Sebastian Ott <sebott@linux.vnet.ibm.com> Signed-off-by: Peter Oberparleiter <peter.oberparleiter@de.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
2012-09-26s390/scm: remove superfluous lockSebastian Ott1-2/+0
Remove the spinlock from struct scm_device. drvdata and attributes are guarded via device_lock. Signed-off-by: Sebastian Ott <sebott@linux.vnet.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
2012-09-26s390: add scm notificationSebastian Ott1-0/+1
Detect an scm change notification in store event information. Update affected scm devices and notify their drivers. Signed-off-by: Sebastian Ott <sebott@linux.vnet.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
2012-09-26s390: add scm bus driverSebastian Ott1-0/+51
Bus driver to manage Storage Class Memory. Signed-off-by: Sebastian Ott <sebott@linux.vnet.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
2012-09-26s390: add eadm related structuresSebastian Ott1-0/+74
Add structures to be used by the eadm subchannel driver. Signed-off-by: Sebastian Ott <sebott@linux.vnet.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
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