diff options
| -rw-r--r-- | drivers/infiniband/hw/mlx5/qp.c | 27 | ||||
| -rw-r--r-- | include/uapi/rdma/mlx5-abi.h | 1 | 
2 files changed, 18 insertions, 10 deletions
| diff --git a/drivers/infiniband/hw/mlx5/qp.c b/drivers/infiniband/hw/mlx5/qp.c index 7b4e936ad210..b708a0484f77 100644 --- a/drivers/infiniband/hw/mlx5/qp.c +++ b/drivers/infiniband/hw/mlx5/qp.c @@ -919,6 +919,7 @@ static int create_user_qp(struct mlx5_ib_dev *dev, struct ib_pd *pd,  	void *qpc;  	int err;  	u16 uid; +	u32 uar_flags;  	err = ib_copy_from_udata(&ucmd, udata, sizeof(ucmd));  	if (err) { @@ -928,24 +929,29 @@ static int create_user_qp(struct mlx5_ib_dev *dev, struct ib_pd *pd,  	context = rdma_udata_to_drv_context(udata, struct mlx5_ib_ucontext,  					    ibucontext); -	if (ucmd.flags & MLX5_QP_FLAG_BFREG_INDEX) { +	uar_flags = ucmd.flags & (MLX5_QP_FLAG_UAR_PAGE_INDEX | +				  MLX5_QP_FLAG_BFREG_INDEX); +	switch (uar_flags) { +	case MLX5_QP_FLAG_UAR_PAGE_INDEX: +		uar_index = ucmd.bfreg_index; +		bfregn = MLX5_IB_INVALID_BFREG; +		break; +	case MLX5_QP_FLAG_BFREG_INDEX:  		uar_index = bfregn_to_uar_index(dev, &context->bfregi,  						ucmd.bfreg_index, true);  		if (uar_index < 0)  			return uar_index; -  		bfregn = MLX5_IB_INVALID_BFREG; -	} else if (qp->flags & MLX5_IB_QP_CROSS_CHANNEL) { -		/* -		 * TBD: should come from the verbs when we have the API -		 */ -		/* In CROSS_CHANNEL CQ and QP must use the same UAR */ -		bfregn = MLX5_CROSS_CHANNEL_BFREG; -	} -	else { +		break; +	case 0: +		if (qp->flags & MLX5_IB_QP_CROSS_CHANNEL) +			return -EINVAL;  		bfregn = alloc_bfreg(dev, &context->bfregi);  		if (bfregn < 0)  			return bfregn; +		break; +	default: +		return -EINVAL;  	}  	mlx5_ib_dbg(dev, "bfregn 0x%x, uar_index 0x%x\n", bfregn, uar_index); @@ -2100,6 +2106,7 @@ static int create_qp_common(struct mlx5_ib_dev *dev, struct ib_pd *pd,  				      MLX5_QP_FLAG_TIR_ALLOW_SELF_LB_MC |  				      MLX5_QP_FLAG_TIR_ALLOW_SELF_LB_UC |  				      MLX5_QP_FLAG_TUNNEL_OFFLOADS | +				      MLX5_QP_FLAG_UAR_PAGE_INDEX |  				      MLX5_QP_FLAG_TYPE_DCI |  				      MLX5_QP_FLAG_TYPE_DCT))  			return -EINVAL; diff --git a/include/uapi/rdma/mlx5-abi.h b/include/uapi/rdma/mlx5-abi.h index e900f9a64feb..a65d60b44829 100644 --- a/include/uapi/rdma/mlx5-abi.h +++ b/include/uapi/rdma/mlx5-abi.h @@ -49,6 +49,7 @@ enum {  	MLX5_QP_FLAG_TIR_ALLOW_SELF_LB_MC = 1 << 7,  	MLX5_QP_FLAG_ALLOW_SCATTER_CQE	= 1 << 8,  	MLX5_QP_FLAG_PACKET_BASED_CREDIT_MODE	= 1 << 9, +	MLX5_QP_FLAG_UAR_PAGE_INDEX = 1 << 10,  };  enum { | 
