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From: Jason Wang <jasowang@redhat.com>
To: kvm@vger.kernel.org, linux-s390@vger.kernel.org,
	linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org,
	intel-gfx@lists.freedesktop.org,
	intel-gvt-dev@lists.freedesktop.org, kwankhede@nvidia.com,
	alex.williamson@redhat.com, mst@redhat.com, tiwei.bie@intel.com
Cc: virtualization@lists.linux-foundation.org,
	netdev@vger.kernel.org, cohuck@redhat.com,
	maxime.coquelin@redhat.com, cunming.liang@intel.com,
	zhihong.wang@intel.com, rob.miller@broadcom.com,
	xiao.w.wang@intel.com, haotian.wang@sifive.com,
	zhenyuw@linux.intel.com, zhi.a.wang@intel.com,
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	rodrigo.vivi@intel.com, airlied@linux.ie, daniel@ffwll.ch,
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	oberpar@linux.ibm.com, heiko.carstens@de.ibm.com,
	gor@linux.ibm.com, borntraeger@de.ibm.com,
	akrowiak@linux.ibm.com, freude@linux.ibm.com,
	lingshan.zhu@intel.com, idos@mellanox.com, eperezma@redhat.com,
	lulu@redhat.com, parav@mellanox.com,
	christophe.de.dinechin@gmail.com, kevin.tian@intel.com,
	Jason Wang <jasowang@redhat.com>
Subject: [PATCH V2 3/8] mdev: bus uevent support
Date: Tue, 24 Sep 2019 21:53:27 +0800	[thread overview]
Message-ID: <20190924135332.14160-4-jasowang@redhat.com> (raw)
In-Reply-To: <20190924135332.14160-1-jasowang@redhat.com>

This patch adds bus uevent support for mdev bus in order to allow
cooperation with userspace.

Signed-off-by: Jason Wang <jasowang@redhat.com>
---
 drivers/vfio/mdev/mdev_driver.c | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/drivers/vfio/mdev/mdev_driver.c b/drivers/vfio/mdev/mdev_driver.c
index b7c40ce86ee3..319d886ffaf7 100644
--- a/drivers/vfio/mdev/mdev_driver.c
+++ b/drivers/vfio/mdev/mdev_driver.c
@@ -82,9 +82,17 @@ static int mdev_match(struct device *dev, struct device_driver *drv)
 	return 0;
 }
 
+static int mdev_uevent(struct device *dev, struct kobj_uevent_env *env)
+{
+	struct mdev_device *mdev = to_mdev_device(dev);
+
+	return add_uevent_var(env, "MODALIAS=mdev:c%02X", mdev->class_id);
+}
+
 struct bus_type mdev_bus_type = {
 	.name		= "mdev",
 	.match		= mdev_match,
+	.uevent		= mdev_uevent,
 	.probe		= mdev_probe,
 	.remove		= mdev_remove,
 };
-- 
2.19.1


  parent reply	other threads:[~2019-09-24 13:55 UTC|newest]

Thread overview: 25+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-09-24 13:53 [PATCH V2 0/8] mdev based hardware virtio offloading support Jason Wang
2019-09-24 13:53 ` [PATCH V2 1/8] vringh: fix copy direction of vringh_iov_push_kern() Jason Wang
2019-09-24 13:53 ` [PATCH V2 2/8] mdev: class id support Jason Wang
2019-09-24 23:06   ` Alex Williamson
2019-09-25 12:01     ` Jason Wang
2019-09-25  8:28   ` Tian, Kevin
2019-09-25 12:13     ` Jason Wang
2019-09-24 13:53 ` Jason Wang [this message]
2019-09-24 13:53 ` [PATCH V2 4/8] modpost: add support for mdev class id Jason Wang
2019-09-24 13:53 ` [PATCH V2 5/8] mdev: introduce device specific ops Jason Wang
2019-09-24 23:06   ` Alex Williamson
2019-09-25 12:04     ` Jason Wang
2019-09-24 13:53 ` [PATCH V2 6/8] mdev: introduce virtio device and its device ops Jason Wang
2019-09-24 23:06   ` Alex Williamson
2019-09-25 12:06     ` Jason Wang
2019-09-27  8:37     ` Jason Wang
2019-10-10  9:18     ` Jason Wang
2019-09-25  9:09   ` Tian, Kevin
2019-09-25 12:45     ` Jason Wang
2019-09-26  0:48       ` Tian, Kevin
2019-09-26  8:12         ` Jason Wang
2019-09-24 13:53 ` [PATCH V2 7/8] virtio: introduce a mdev based transport Jason Wang
2019-09-24 13:53 ` [PATCH V2 8/8] docs: sample driver to demonstrate how to implement virtio-mdev framework Jason Wang
2019-09-25  8:24 ` [PATCH V2 0/8] mdev based hardware virtio offloading support Tian, Kevin
2019-09-25 12:13   ` Jason Wang

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