From f8fc8cd9c612c31f92b19b72f619fa043ec76e5e Mon Sep 17 00:00:00 2001 From: Yamin Friedman Date: Mon, 8 Jul 2019 13:59:04 +0300 Subject: RDMA/nldev: Added configuration of RDMA dynamic interrupt moderation to netlink Added parameter in ib_device for enabling dynamic interrupt moderation so that it can be configured in userspace using rdma tool. In order to set adaptive-moderation for an ib device the command is: rdma dev set [DEV] adaptive-moderation [on|off] Please set on/off. rdma dev show 0: mlx5_0: node_type ca fw 16.26.0055 node_guid 248a:0703:00a5:29d0 sys_image_guid 248a:0703:00a5:29d0 adaptive-moderation on rdma resource show cq dev mlx5_0 cqn 0 cqe 1023 users 4 poll-ctx UNBOUND_WORKQUEUE adaptive-moderation off comm [ib_core] Signed-off-by: Yamin Friedman Reviewed-by: Sagi Grimberg Signed-off-by: Leon Romanovsky Signed-off-by: Jason Gunthorpe --- drivers/infiniband/core/device.c | 9 +++++++++ 1 file changed, 9 insertions(+) (limited to 'drivers/infiniband/core/device.c') diff --git a/drivers/infiniband/core/device.c b/drivers/infiniband/core/device.c index bdf61499e6d5..7f4affe8a10d 100644 --- a/drivers/infiniband/core/device.c +++ b/drivers/infiniband/core/device.c @@ -448,6 +448,15 @@ int ib_device_rename(struct ib_device *ibdev, const char *name) return 0; } +int ib_device_set_dim(struct ib_device *ibdev, u8 use_dim) +{ + if (use_dim > 1) + return -EINVAL; + ibdev->use_cq_dim = use_dim; + + return 0; +} + static int alloc_name(struct ib_device *ibdev, const char *name) { struct ib_device *device; -- cgit