linux-kernel - [PATCH v2 09/10] vfio: ccw: Suppressing the BOXED state

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Date:   Fri, 25 May 2018 12:21:17 +0200
From:   Pierre Morel <pmorel@...ux.vnet.ibm.com>
To:     pasic@...ux.vnet.ibm.com, bjsdjshi@...ux.vnet.ibm.com
Cc:     linux-s390@...r.kernel.org, linux-kernel@...r.kernel.org,
        kvm@...r.kernel.org, cohuck@...hat.com
Subject: [PATCH v2 09/10] vfio: ccw: Suppressing the BOXED state

VFIO_CCW_STATE_BOXED and VFIO_CCW_STATE_BUSY are the same
states.
Let's only keep one: VFIO_CCW_STATE_BUSY

Signed-off-by: Pierre Morel <pmorel@...ux.vnet.ibm.com>
---
 drivers/s390/cio/vfio_ccw_fsm.c     | 11 -----------
 drivers/s390/cio/vfio_ccw_private.h |  1 -
 2 files changed, 12 deletions(-)

diff --git a/drivers/s390/cio/vfio_ccw_fsm.c b/drivers/s390/cio/vfio_ccw_fsm.c
index 0acab2f..c37052d 100644
--- a/drivers/s390/cio/vfio_ccw_fsm.c
+++ b/drivers/s390/cio/vfio_ccw_fsm.c
@@ -162,8 +162,6 @@ static int fsm_io_request(struct vfio_ccw_private *private)
 	struct ccw_io_region *io_region = &private->io_region;
 	struct mdev_device *mdev = private->mdev;
 
-	private->state = VFIO_CCW_STATE_BOXED;
-
 	orb = (union orb *)io_region->orb_area;
 
 	io_region->ret_code = cp_init(&private->cp, mdev_dev(mdev), orb);
@@ -263,15 +261,6 @@ fsm_func_t *vfio_ccw_jumptable[NR_VFIO_CCW_STATES][NR_VFIO_CCW_EVENTS] = {
 		[VFIO_CCW_EVENT_INTERRUPT]	= fsm_irq,
 		[VFIO_CCW_EVENT_SCHIB_CHANGED]	= fsm_sch_event,
 	},
-	[VFIO_CCW_STATE_BOXED] = {
-		[VFIO_CCW_EVENT_INIT]		= fsm_nop,
-		[VFIO_CCW_EVENT_ONLINE]		= fsm_nop,
-		[VFIO_CCW_EVENT_OFFLINE]	= fsm_quiescing,
-		[VFIO_CCW_EVENT_NOT_OPER]	= fsm_notoper,
-		[VFIO_CCW_EVENT_SSCH_REQ]	= fsm_io_busy,
-		[VFIO_CCW_EVENT_INTERRUPT]	= fsm_irq,
-		[VFIO_CCW_EVENT_SCHIB_CHANGED]	= fsm_sch_event,
-	},
 	[VFIO_CCW_STATE_BUSY] = {
 		[VFIO_CCW_EVENT_INIT]		= fsm_nop,
 		[VFIO_CCW_EVENT_ONLINE]		= fsm_nop,
diff --git a/drivers/s390/cio/vfio_ccw_private.h b/drivers/s390/cio/vfio_ccw_private.h
index ad59091..ab5e37fa 100644
--- a/drivers/s390/cio/vfio_ccw_private.h
+++ b/drivers/s390/cio/vfio_ccw_private.h
@@ -66,7 +66,6 @@ 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,
 	VFIO_CCW_STATE_QUIESCING,
 	/* last element! */
-- 
2.7.4