linux-kernel - [RFC LINUX PATCH 16/19] remoteproc: virtio: use rproc_virtio

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <1490383355-23176-17-git-send-email-jliang@xilinx.com>
Date:   Fri, 24 Mar 2017 12:22:32 -0700
From:   Wendy Liang <wendy.liang@...inx.com>
To:     <bjorn.andersson@...aro.org>
CC:     <linux-remoteproc@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        "Wendy Liang" <wendy.liang@...inx.com>,
        Wendy Liang <jliang@...inx.com>,
        Michal Simek <michal.simek@...inx.com>
Subject: [RFC LINUX PATCH 16/19] remoteproc: virtio: use rproc_virtio_notify() to notify vdev changes

From: Wendy Liang <wendy.liang@...inx.com>

Use rproc_virtio_notify() to notify vdev config changes.

Signed-off-by: Wendy Liang <jliang@...inx.com>
Signed-off-by: Michal Simek <michal.simek@...inx.com>
---
 drivers/remoteproc/remoteproc_virtio.c | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

diff --git a/drivers/remoteproc/remoteproc_virtio.c b/drivers/remoteproc/remoteproc_virtio.c
index cc421f3..d43e15b 100644
--- a/drivers/remoteproc/remoteproc_virtio.c
+++ b/drivers/remoteproc/remoteproc_virtio.c
@@ -29,6 +29,20 @@
 
 #include "remoteproc_internal.h"
 
+/* kick the remote processor, and let it know the virtio dev has update */
+static bool rproc_virtio_notify(struct rproc_vdev *rvdev)
+{
+	struct rproc *rproc;
+	struct fw_rsc_vdev *rsc;
+
+	if (!rvdev)
+		return false;
+	rproc = rvdev->rproc;
+	rsc = (void *)rproc->table_ptr + rvdev->rsc_offset;
+	rproc->ops->kick(rproc, rsc->notifyid);
+	return true;
+}
+
 /* kick the remote processor, and let it know which virtqueue to poke at */
 static bool rproc_vq_notify(struct virtqueue *vq)
 {
-- 
1.9.1