ACK: [d/azure][PATCH 2/2] UBUNTU: SAUCE: Expose extended attributes for user IB verbs QUERY_DEVICE, CREATE_CQ and CREATE_QP

[Sultan Alsawaf]

On Wed, Aug 14, 2019 at 03:08:04PM -0300, Marcelo Henrique Cerri wrote:
> From: Long Li <longli at microsoft.com>
> 
> BugLink: https://bugs.launchpad.net/bugs/1839673
> 
> The user-mode driver may call this IB verbs to get extended data. The RDMA layer
> checks if those data are available in lower layer, and copy those data back to user
> mode. There is no need to change lower layer driver as those data have already been
> returned in RDMA-lower driver interfaces.
> 
> Signed-off-by: Long Li <longli at microsoft.com>
> Signed-off-by: Marcelo Henrique Cerri <marcelo.cerri at canonical.com>
> ---
>  drivers/infiniband/hw/vmbus-rdma/vmbus-rdma-144.0/provider.c | 5 +++++
>  1 file changed, 5 insertions(+)
> 
> diff --git a/drivers/infiniband/hw/vmbus-rdma/vmbus-rdma-144.0/provider.c b/drivers/infiniband/hw/vmbus-rdma/vmbus-rdma-144.0/provider.c
> index 3ad27e9d6a5d..1877cf60853b 100644
> --- a/drivers/infiniband/hw/vmbus-rdma/vmbus-rdma-144.0/provider.c
> +++ b/drivers/infiniband/hw/vmbus-rdma/vmbus-rdma-144.0/provider.c
> @@ -2669,6 +2669,11 @@ int hvnd_register_device(struct hvnd_dev *dev, char *ip_addr, char *mac_addr)
>  
>  	dev->ibdev.ops.get_port_immutable = hvnd_get_port_immutable;
>  
> +	dev->ibdev.uverbs_ex_cmd_mask |=
> +                (1ull << IB_USER_VERBS_EX_CMD_QUERY_DEVICE) |
> +                (1ull << IB_USER_VERBS_EX_CMD_CREATE_CQ) |
> +                (1ull << IB_USER_VERBS_EX_CMD_CREATE_QP);
> +
>  	//DMA ops for mapping all possible addresses
>  	dev->ibdev.dev.parent = &(dev->hvdev->device);
>  	dev->ibdev.dev.dma_ops = &vmbus_dma_ops;
> -- 
> 2.20.1
> 
> 
> -- 
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Acked-by: Sultan Alsawaf <sultan.alsawaf at canonical.com>