summaryrefslogtreecommitdiff
path: root/drivers/s390
diff options
context:
space:
mode:
authorPierre Morel <pmorel@linux.ibm.com>2018-10-17 11:18:39 +0200
committerCornelia Huck <cohuck@redhat.com>2018-12-12 14:53:03 +0100
commit1554509b0d007287ecd4be887ae94d3730cbf2b7 (patch)
tree3da82134b69861c819f9df1e00514281ddf8f477 /drivers/s390
parent5b39fc049ce1232a56628408058ae04f353ac705 (diff)
vfio: ccw: Merge BUSY and BOXED states
VFIO_CCW_STATE_BOXED and VFIO_CCW_STATE_BUSY have identical actions for the same events. Let's merge both into a single state to simplify the code. We choose to keep VFIO_CCW_STATE_BUSY. Signed-off-by: Pierre Morel <pmorel@linux.ibm.com> Message-Id: <1539767923-10539-2-git-send-email-pmorel@linux.ibm.com> Reviewed-by: Eric Farman <farman@linux.ibm.com> Signed-off-by: Cornelia Huck <cohuck@redhat.com>
Diffstat (limited to 'drivers/s390')
-rw-r--r--drivers/s390/cio/vfio_ccw_fsm.c7
-rw-r--r--drivers/s390/cio/vfio_ccw_private.h1
2 files changed, 1 insertions, 7 deletions
diff --git a/drivers/s390/cio/vfio_ccw_fsm.c b/drivers/s390/cio/vfio_ccw_fsm.c
index f94aa01f9c36..cab17865aafe 100644
--- a/drivers/s390/cio/vfio_ccw_fsm.c
+++ b/drivers/s390/cio/vfio_ccw_fsm.c
@@ -130,7 +130,7 @@ static void fsm_io_request(struct vfio_ccw_private *private,
struct mdev_device *mdev = private->mdev;
char *errstr = "request";
- private->state = VFIO_CCW_STATE_BOXED;
+ private->state = VFIO_CCW_STATE_BUSY;
memcpy(scsw, io_region->scsw_area, sizeof(*scsw));
@@ -216,11 +216,6 @@ fsm_func_t *vfio_ccw_jumptable[NR_VFIO_CCW_STATES][NR_VFIO_CCW_EVENTS] = {
[VFIO_CCW_EVENT_IO_REQ] = fsm_io_request,
[VFIO_CCW_EVENT_INTERRUPT] = fsm_irq,
},
- [VFIO_CCW_STATE_BOXED] = {
- [VFIO_CCW_EVENT_NOT_OPER] = fsm_notoper,
- [VFIO_CCW_EVENT_IO_REQ] = fsm_io_busy,
- [VFIO_CCW_EVENT_INTERRUPT] = fsm_irq,
- },
[VFIO_CCW_STATE_BUSY] = {
[VFIO_CCW_EVENT_NOT_OPER] = fsm_notoper,
[VFIO_CCW_EVENT_IO_REQ] = fsm_io_busy,
diff --git a/drivers/s390/cio/vfio_ccw_private.h b/drivers/s390/cio/vfio_ccw_private.h
index 078e46f9623d..08e9a7dc9176 100644
--- a/drivers/s390/cio/vfio_ccw_private.h
+++ b/drivers/s390/cio/vfio_ccw_private.h
@@ -63,7 +63,6 @@ enum vfio_ccw_state {
VFIO_CCW_STATE_NOT_OPER,
VFIO_CCW_STATE_STANDBY,
VFIO_CCW_STATE_IDLE,
- VFIO_CCW_STATE_BOXED,
VFIO_CCW_STATE_BUSY,
/* last element! */
NR_VFIO_CCW_STATES