Commit 8a54e238 authored by Eric Farman's avatar Eric Farman Committed by Heiko Carstens
Browse files

vfio/ccw: cleanup some of the mdev commentary 



There is no longer an mdev struct accessible via a channel
program struct, but there are some artifacts remaining that
mention it. Clean them up.

Signed-off-by: default avatarEric Farman <farman@linux.ibm.com>
Reviewed-by: default avatarMatthew Rosato <mjrosato@linux.ibm.com>
Signed-off-by: default avatarHeiko Carstens <hca@linux.ibm.com>
parent ba5c2e2a

drivers/s390/cio/vfio_ccw_cp.c

+2 −3
Original line number Diff line number Diff line
@@ -121,7 +121,7 @@ static void page_array_unpin(struct page_array *pa, 
/*

 * page_array_pin() - Pin user pages in memory

 * @pa: page_array on which to perform the operation

 * @mdev: the mediated device to perform pin operations

 * @vdev: the vfio device to perform pin operations

 *

 * Returns number of pages pinned upon success.

 * If the pin request partially succeeds, or fails completely,
@@ -229,7 +229,7 @@ static void convert_ccw0_to_ccw1(struct ccw1 *source, unsigned long len) 
}



/*

 * Within the domain (@mdev), copy @n bytes from a guest physical

 * Within the domain (@vdev), copy @n bytes from a guest physical

 * address (@iova) to a host physical address (@to).

 */

static long copy_from_iova(struct vfio_device *vdev, void *to, u64 iova,
@@ -665,7 +665,6 @@ static int ccwchain_fetch_one(struct ccwchain *chain, 
/**

 * cp_init() - allocate ccwchains for a channel program.

 * @cp: channel_program on which to perform the operation

 * @mdev: the mediated device to perform pin/unpin operations

 * @orb: control block for the channel program from the guest

 *

 * This creates one or more ccwchain(s), and copies the raw data of

drivers/s390/cio/vfio_ccw_cp.h

+0 −1
Original line number Diff line number Diff line
@@ -27,7 +27,6 @@ 
 * struct channel_program - manage information for channel program

 * @ccwchain_list: list head of ccwchains

 * @orb: orb for the currently processed ssch request

 * @mdev: the mediated device to perform page pinning/unpinning

 * @initialized: whether this instance is actually initialized

 *

 * @ccwchain_list is the head of a ccwchain list, that contents the