From 7af52cca6f1c4d785b652682a8f7687df1061318 Mon Sep 17 00:00:00 2001 From: Eric Farman Date: Wed, 16 Oct 2019 16:20:37 +0200 Subject: vfio-ccw: Refactor how the traces are built Commit 3cd90214b70f ("vfio: ccw: add tracepoints for interesting error paths") added a quick trace point to determine where a channel program failed while being processed. It's a great addition, but adding more traces to vfio-ccw is more cumbersome than it needs to be. Let's refactor how this is done, so that additional traces are easier to add and can exist outside of the FSM if we ever desire. Signed-off-by: Eric Farman Reviewed-by: Cornelia Huck Message-Id: <20191016142040.14132-2-farman@linux.ibm.com> Acked-by: Halil Pasic Signed-off-by: Cornelia Huck --- drivers/s390/cio/vfio_ccw_trace.c | 12 ++++++++++++ 1 file changed, 12 insertions(+) create mode 100644 drivers/s390/cio/vfio_ccw_trace.c (limited to 'drivers/s390/cio/vfio_ccw_trace.c') diff --git a/drivers/s390/cio/vfio_ccw_trace.c b/drivers/s390/cio/vfio_ccw_trace.c new file mode 100644 index 000000000000..d5cc943c6864 --- /dev/null +++ b/drivers/s390/cio/vfio_ccw_trace.c @@ -0,0 +1,12 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * Tracepoint definitions for vfio_ccw + * + * Copyright IBM Corp. 2019 + * Author(s): Eric Farman + */ + +#define CREATE_TRACE_POINTS +#include "vfio_ccw_trace.h" + +EXPORT_TRACEPOINT_SYMBOL(vfio_ccw_io_fctl); -- cgit v1.2.3-59-g8ed1b