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| author | Christoph Hellwig <hch@lst.de> | 2020-11-06 19:19:34 +0100 |
|---|---|---|
| committer | Jason Gunthorpe <jgg@nvidia.com> | 2020-11-12 13:33:44 -0400 |
| commit | 8ecfca68dc4cbee1272a0161e3f2fb9387dc6930 (patch) | |
| tree | ee7c3fee670980ffec1b05d60a633f6e94e41918 /include/rdma | |
| parent | 2af29468e3b3793b49f6c4385d2cabcea43fe076 (diff) | |
| download | linux-8ecfca68dc4cbee1272a0161e3f2fb9387dc6930.tar.gz linux-8ecfca68dc4cbee1272a0161e3f2fb9387dc6930.tar.bz2 linux-8ecfca68dc4cbee1272a0161e3f2fb9387dc6930.zip | |
RDMA: Lift ibdev_to_node from rds to common code
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>
Diffstat (limited to 'include/rdma')
| -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 a0f9b1c133e4..3feb42ef82dc 100644 --- a/include/rdma/ib_verbs.h +++ b/include/rdma/ib_verbs.h @@ -4550,6 +4550,19 @@ 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. * |