OpenCloudOS-Kernel/drivers/s390/cio
Dong Jia Shi 83d1193a96 vfio: ccw: realize VFIO_DEVICE_RESET ioctl
Introduce VFIO_DEVICE_RESET ioctl for vfio-ccw to make it possible
to hot-reset the device.

We try to achieve a reset by first disabling the subchannel and
then enabling it again: this should clear all state at the subchannel.

Signed-off-by: Dong Jia Shi <bjsdjshi@linux.vnet.ibm.com>
Message-Id: <20170317031743.40128-11-bjsdjshi@linux.vnet.ibm.com>
Signed-off-by: Cornelia Huck <cornelia.huck@de.ibm.com>
2017-03-31 12:55:08 +02:00
..
Makefile vfio: ccw: register vfio_ccw to the mediated device framework 2017-03-31 12:55:06 +02:00
airq.c s390/cio: Introduce common I/O layer tracepoints 2015-12-18 14:59:36 +01:00
blacklist.c Replace <asm/uaccess.h> with <linux/uaccess.h> globally 2016-12-24 11:46:01 -08:00
blacklist.h
ccwgroup.c s390/ccwgroup: use ccwgroup_ungroup wrapper 2014-06-16 10:32:52 +02:00
ccwreq.c s390: Use pr_warn instead of pr_warning 2016-03-07 13:12:04 +01:00
chp.c s390/cio: clarify cssid usage 2017-01-16 07:27:52 +01:00
chp.h s390/cio: clarify cssid usage 2017-01-16 07:27:52 +01:00
chsc.c s390/cio: use cssid for pgid generation 2017-01-16 07:27:52 +01:00
chsc.h s390/cio: use cssid for pgid generation 2017-01-16 07:27:52 +01:00
chsc_sch.c s390/chsc: fix ioctl CHSC_INFO_CU command 2016-07-15 14:31:58 +02:00
chsc_sch.h
cio.c s390: cio: export more interfaces 2017-03-31 12:55:03 +02:00
cio.h s390: cio: introduce cio_cancel_halt_clear 2017-03-31 12:55:02 +02:00
cio_debug.h
cmf.c s390/cio: remove cmf related code relevant for 31 bit only 2017-01-16 07:27:55 +01:00
crw.c s390/cio: Consolidate inline assemblies and related data definitions 2015-12-18 14:59:34 +01:00
css.c s390/cio: remove unused struct member 2017-01-16 07:27:53 +01:00
css.h s390/cio: remove unused struct member 2017-01-16 07:27:53 +01:00
device.c sched/headers: Prepare to move signal wakeup & sigpending methods from <linux/sched.h> into <linux/sched/signal.h> 2017-03-02 08:42:32 +01:00
device.h s390/cio: clean up DEV_STATE_SENSE_PGID 2016-10-28 10:09:03 +02:00
device_fsm.c s390: cio: introduce cio_cancel_halt_clear 2017-03-31 12:55:02 +02:00
device_id.c s390/comments: unify copyright messages and remove file names 2012-07-20 11:15:04 +02:00
device_ops.c s390: cio: make it explicitly non-modular 2016-10-31 17:55:32 +01:00
device_pgid.c s390/cio: move ccw_device_stlck functions 2015-10-27 09:34:44 +01:00
device_status.c s390/cio: stop using subchannel_id from ccw_device_private 2016-08-08 15:41:32 +02:00
eadm_sch.c s390: remove unneeded variables 2015-08-07 09:57:01 +02:00
eadm_sch.h s390/eadm_sch: improve quiesce handling 2013-10-24 17:16:58 +02:00
fcx.c [S390] drivers: Correct size given to memset 2009-12-18 17:43:32 +01:00
idset.c s390/cio: idset.c: remove some unused functions 2015-01-08 10:02:50 +01:00
idset.h s390: use canonical include guard style 2016-06-13 15:58:17 +02:00
io_sch.h s390/cio: remove subchannel_id from ccw_device_private 2016-08-08 15:41:33 +02:00
ioasm.c s390/chsc: Add exception handler for CHSC instruction 2017-02-23 10:06:38 +01:00
ioasm.h s390/cio: Change I/O instructions from inline to normal functions 2015-12-18 14:59:37 +01:00
isc.c
itcw.c [S390] cio: reduce memory consumption of itcw structures 2011-01-05 12:47:29 +01:00
orb.h s390: add eadm related structures 2012-09-26 15:44:57 +02:00
qdio.h s390: remove 31 bit support 2015-03-25 11:49:33 +01:00
qdio_debug.c s390: Delete unnecessary checks before the function call "debug_unregister" 2015-11-27 09:24:16 +01:00
qdio_debug.h qdio: Keep device-specific dbf entries 2014-06-16 10:31:58 +02:00
qdio_main.c s390/qdio: improve some debug prints 2017-02-03 13:50:23 +01:00
qdio_setup.c s390: remove 31 bit support 2015-03-25 11:49:33 +01:00
qdio_thinint.c sched/headers: Prepare to use <linux/rcuupdate.h> instead of <linux/rculist.h> in <linux/sched.h> 2017-03-02 08:42:38 +01:00
scm.c s390/scm_block: do not hide eadm subchannel dependency 2013-11-15 14:08:42 +01:00
trace.c s390/cio: Introduce common I/O layer tracepoints 2015-12-18 14:59:36 +01:00
trace.h s390/cio: Introduce common I/O layer tracepoints 2015-12-18 14:59:36 +01:00
vfio_ccw_cp.c vfio: ccw: introduce channel program interfaces 2017-03-31 12:55:05 +02:00
vfio_ccw_cp.h vfio: ccw: introduce channel program interfaces 2017-03-31 12:55:05 +02:00
vfio_ccw_drv.c vfio: ccw: handle ccw command request 2017-03-31 12:55:07 +02:00
vfio_ccw_ops.c vfio: ccw: realize VFIO_DEVICE_RESET ioctl 2017-03-31 12:55:08 +02:00
vfio_ccw_private.h vfio: ccw: handle ccw command request 2017-03-31 12:55:07 +02:00