On 10/17/2018 05:18 AM, Pierre Morel wrote:
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@xxxxxxxxxxxxx>
I like this.
Reviewed-by: Eric Farman <farman@xxxxxxxxxxxxx>
---
drivers/s390/cio/vfio_ccw_fsm.c | 7 +------
drivers/s390/cio/vfio_ccw_private.h | 1 -
2 files changed, 1 insertion(+), 7 deletions(-)
diff --git a/drivers/s390/cio/vfio_ccw_fsm.c b/drivers/s390/cio/vfio_ccw_fsm.c
index f94aa01..cab1786 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 078e46f..08e9a7d 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
