diff options
| author | Christoph Hellwig <hch@lst.de> | 2020-11-06 21:19:34 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2021-02-26 12:12:59 +0300 |
| commit | 225d207da2e1169aee30faaa71bd7cf70c7277a3 (patch) | |
| tree | d1e6406f339d3f7e88ddc587959351b2f9708711 /include/rdma/ib_verbs.h | |
| parent | 77344e18cf84b37548292f2adfdb22f89079e0a6 (diff) | |
| download | linux-225d207da2e1169aee30faaa71bd7cf70c7277a3.tar.xz | |
RDMA: Lift ibdev_to_node from rds to common code
commit 8ecfca68dc4cbee1272a0161e3f2fb9387dc6930 upstream.
Lift the ibdev_to_node from rds to common code and document it.
Link: https://lore.kernel.org/r/20201106181941.1878556-4-hch@lst.de
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
Cc: Krishnamraju Eraparaju <krishna2@chelsio.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'include/rdma/ib_verbs.h')
| -rw-r--r-- | include/rdma/ib_verbs.h | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/include/rdma/ib_verbs.h b/include/rdma/ib_verbs.h index 65771bef5e65..ac6ffa561884 100644 --- a/include/rdma/ib_verbs.h +++ b/include/rdma/ib_verbs.h @@ -4643,6 +4643,19 @@ static inline struct ib_device *rdma_device_to_ibdev(struct device *device) } /** + * ibdev_to_node - return the NUMA node for a given ib_device + * @dev: device to get the NUMA node for. + */ +static inline int ibdev_to_node(struct ib_device *ibdev) +{ + struct device *parent = ibdev->dev.parent; + + if (!parent) + return NUMA_NO_NODE; + return dev_to_node(parent); +} + +/** * rdma_device_to_drv_device - Helper macro to reach back to driver's * ib_device holder structure from device pointer. * |