From: Jason Gunthorpe <jgg@nvidia.com>
To: David Airlie <airlied@linux.ie>,
Tony Krowiak <akrowiak@linux.ibm.com>,
Alex Williamson <alex.williamson@redhat.com>,
Christian Borntraeger <borntraeger@de.ibm.com>,
Cornelia Huck <cohuck@redhat.com>,
Daniel Vetter <daniel@ffwll.ch>,
dri-devel@lists.freedesktop.org,
Eric Farman <farman@linux.ibm.com>,
Harald Freudenberger <freude@linux.ibm.com>,
Vasily Gorbik <gor@linux.ibm.com>,
Heiko Carstens <hca@linux.ibm.com>,
intel-gfx@lists.freedesktop.org,
intel-gvt-dev@lists.freedesktop.org,
Jani Nikula <jani.nikula@linux.intel.com>,
Jason Herne <jjherne@linux.ibm.com>,
Joonas Lahtinen <joonas.lahtinen@linux.intel.com>,
kvm@vger.kernel.org, Kirti Wankhede <kwankhede@nvidia.com>,
linux-s390@vger.kernel.org,
Matthew Rosato <mjrosato@linux.ibm.com>,
Peter Oberparleiter <oberpar@linux.ibm.com>,
Halil Pasic <pasic@linux.ibm.com>,
Rodrigo Vivi <rodrigo.vivi@intel.com>,
Vineeth Vijayan <vneethv@linux.ibm.com>,
Zhenyu Wang <zhenyuw@linux.intel.com>,
Zhi Wang <zhi.a.wang@intel.com>
Cc: Christoph Hellwig <hch@lst.de>
Subject: [Intel-gfx] [PATCH v2 8/9] vfio: Export vfio_device_try_get()
Date: Thu, 9 Sep 2021 16:38:48 -0300 [thread overview]
Message-ID: <8-v2-7d3a384024cf+2060-ccw_mdev_jgg@nvidia.com> (raw)
In-Reply-To: <0-v2-7d3a384024cf+2060-ccw_mdev_jgg@nvidia.com>
vfio_ccw will need it.
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
---
drivers/vfio/vfio.c | 3 ++-
include/linux/vfio.h | 1 +
2 files changed, 3 insertions(+), 1 deletion(-)
diff --git a/drivers/vfio/vfio.c b/drivers/vfio/vfio.c
index c3ca33e513c8e9..e78278a0b98a96 100644
--- a/drivers/vfio/vfio.c
+++ b/drivers/vfio/vfio.c
@@ -603,10 +603,11 @@ void vfio_device_put(struct vfio_device *device)
}
EXPORT_SYMBOL_GPL(vfio_device_put);
-static bool vfio_device_try_get(struct vfio_device *device)
+bool vfio_device_try_get(struct vfio_device *device)
{
return refcount_inc_not_zero(&device->refcount);
}
+EXPORT_SYMBOL_GPL(vfio_device_try_get);
static struct vfio_device *vfio_group_get_device(struct vfio_group *group,
struct device *dev)
diff --git a/include/linux/vfio.h b/include/linux/vfio.h
index e65137a708f185..69df8bcc49aaf4 100644
--- a/include/linux/vfio.h
+++ b/include/linux/vfio.h
@@ -80,6 +80,7 @@ void vfio_uninit_group_dev(struct vfio_device *device);
int vfio_register_group_dev(struct vfio_device *device);
void vfio_unregister_group_dev(struct vfio_device *device);
extern struct vfio_device *vfio_device_get_from_dev(struct device *dev);
+bool vfio_device_try_get(struct vfio_device *device);
extern void vfio_device_put(struct vfio_device *device);
int vfio_assign_device_set(struct vfio_device *device, void *set_id);
--
2.33.0
next prev parent reply other threads:[~2021-09-09 19:39 UTC|newest]
Thread overview: 42+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-09-09 19:38 [Intel-gfx] [PATCH v2 0/9] Move vfio_ccw to the new mdev API Jason Gunthorpe
2021-09-09 19:38 ` [Intel-gfx] [PATCH v2 1/9] vfio/ccw: Use functions for alloc/free of the vfio_ccw_private Jason Gunthorpe
2021-09-10 11:27 ` Christoph Hellwig
2021-09-14 15:50 ` Cornelia Huck
2021-09-14 18:03 ` Jason Gunthorpe
2021-09-24 2:53 ` Eric Farman
2021-09-09 19:38 ` [Intel-gfx] [PATCH v2 2/9] vfio/ccw: Pass vfio_ccw_private not mdev_device to various functions Jason Gunthorpe
2021-09-10 11:32 ` Christoph Hellwig
2021-09-20 11:12 ` Cornelia Huck
2021-09-24 2:53 ` Eric Farman
2021-09-09 19:38 ` [Intel-gfx] [PATCH v2 3/9] vfio/ccw: Convert to use vfio_register_group_dev() Jason Gunthorpe
2021-09-24 20:37 ` Eric Farman
2021-09-27 12:17 ` Jason Gunthorpe
2021-09-09 19:38 ` [Intel-gfx] [PATCH v2 4/9] vfio/ccw: Make the FSM complete and synchronize it to the mdev Jason Gunthorpe
2021-09-20 12:19 ` Cornelia Huck
2021-09-20 12:30 ` Jason Gunthorpe
2021-09-09 19:38 ` [Intel-gfx] [PATCH v2 5/9] vfio/mdev: Consolidate all the device_api sysfs into the core code Jason Gunthorpe
2021-09-10 12:10 ` Christoph Hellwig
2021-09-10 13:38 ` Jason Gunthorpe
2021-09-10 16:09 ` Alex Williamson
2021-09-09 19:38 ` [Intel-gfx] [PATCH v2 6/9] vfio/mdev: Add mdev available instance checking to the core Jason Gunthorpe
2021-09-10 12:25 ` Christoph Hellwig
2021-09-20 18:02 ` Cornelia Huck
2021-09-21 13:19 ` Jason Gunthorpe
2021-09-24 2:54 ` Eric Farman
2021-09-09 19:38 ` [Intel-gfx] [PATCH v2 7/9] vfio/ccw: Remove private->mdev Jason Gunthorpe
2021-09-24 20:45 ` Eric Farman
2021-09-27 12:32 ` Jason Gunthorpe
2021-09-27 20:45 ` Eric Farman
2021-09-09 19:38 ` Jason Gunthorpe [this message]
2021-09-09 19:38 ` [Intel-gfx] [PATCH v2 9/9] vfio/ccw: Move the lifecycle of the struct vfio_ccw_private to the mdev Jason Gunthorpe
2021-09-09 19:54 ` [Intel-gfx] ✗ Fi.CI.BUILD: failure for Move vfio_ccw to the new mdev API Patchwork
2021-09-13 17:40 ` [Intel-gfx] [PATCH v2 0/9] " Eric Farman
2021-09-13 19:24 ` Jason Gunthorpe
2021-09-13 20:31 ` Eric Farman
2021-09-14 13:36 ` Jason Gunthorpe
2021-09-17 11:59 ` Cornelia Huck
2021-09-17 12:51 ` Jason Gunthorpe
2021-09-17 14:37 ` Cornelia Huck
2021-09-14 13:46 ` [Intel-gfx] ✗ Fi.CI.BUILD: failure for Move vfio_ccw to the new mdev API (rev2) Patchwork
2021-09-14 18:19 ` [Intel-gfx] ✗ Fi.CI.BUILD: failure for Move vfio_ccw to the new mdev API (rev3) Patchwork
2021-09-21 15:11 ` [Intel-gfx] ✗ Fi.CI.BUILD: failure for Move vfio_ccw to the new mdev API (rev4) Patchwork
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