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NAME	SIZE	ACTIONS
📁 hfi		[ DEL ]
📄 bnxt_re-abi.h	3,514 B	[ EDIT ] \| [ DEL ]
📄 cxgb4-abi.h	3,122 B	[ EDIT ] \| [ DEL ]
📄 efa-abi.h	2,961 B	[ EDIT ] \| [ DEL ]
📄 hns-abi.h	2,207 B	[ EDIT ] \| [ DEL ]
📄 ib_user_ioctl_cmds.h	9,430 B	[ EDIT ] \| [ DEL ]
📄 ib_user_ioctl_verbs.h	7,882 B	[ EDIT ] \| [ DEL ]
📄 ib_user_mad.h	8,530 B	[ EDIT ] \| [ DEL ]
📄 ib_user_sa.h	2,305 B	[ EDIT ] \| [ DEL ]
📄 ib_user_verbs.h	28,965 B	[ EDIT ] \| [ DEL ]
📄 irdma-abi.h	2,192 B	[ EDIT ] \| [ DEL ]
📄 mana-abi.h	1,185 B	[ EDIT ] \| [ DEL ]
📄 mlx4-abi.h	5,117 B	[ EDIT ] \| [ DEL ]
📄 mlx5-abi.h	13,869 B	[ EDIT ] \| [ DEL ]
📄 mlx5_user_ioctl_cmds.h	10,745 B	[ EDIT ] \| [ DEL ]
📄 mlx5_user_ioctl_verbs.h	3,583 B	[ EDIT ] \| [ DEL ]
📄 mthca-abi.h	3,055 B	[ EDIT ] \| [ DEL ]
📄 ocrdma-abi.h	4,116 B	[ EDIT ] \| [ DEL ]
📄 qedr-abi.h	4,307 B	[ EDIT ] \| [ DEL ]
📄 rdma_netlink.h	14,987 B	[ EDIT ] \| [ DEL ]
📄 rdma_user_cm.h	7,132 B	[ EDIT ] \| [ DEL ]
📄 rdma_user_ioctl.h	3,751 B	[ EDIT ] \| [ DEL ]
📄 rdma_user_ioctl_cmds.h	2,607 B	[ EDIT ] \| [ DEL ]
📄 rdma_user_rxe.h	4,779 B	[ EDIT ] \| [ DEL ]
📄 rvt-abi.h	1,745 B	[ EDIT ] \| [ DEL ]
📄 siw-abi.h	3,404 B	[ EDIT ] \| [ DEL ]
📄 vmw_pvrdma-abi.h	8,011 B	[ EDIT ] \| [ DEL ]

[ CLOSE ]

EDIT: rvt-abi.h

/* SPDX-License-Identifier: (GPL-2.0 OR BSD-3-Clause) */

/*
 * This file contains defines, structures, etc. that are used
 * to communicate between kernel and user code.
 */

#ifndef RVT_ABI_USER_H
#define RVT_ABI_USER_H

#include <linux/types.h>
#include <rdma/ib_user_verbs.h>
#ifndef RDMA_ATOMIC_UAPI
#define RDMA_ATOMIC_UAPI(_type, _name) struct{ _type val; } _name
#endif

struct rvt_wqe_sge {
	__aligned_u64 addr;
	__u32 length;
	__u32 lkey;
};

/*
 * This structure is used to contain the head pointer, tail pointer,
 * and completion queue entries as a single memory allocation so
 * it can be mmap'ed into user space.
 */
struct rvt_cq_wc {
	/* index of next entry to fill */
	RDMA_ATOMIC_UAPI(__u32, head);
	/* index of next ib_poll_cq() entry */
	RDMA_ATOMIC_UAPI(__u32, tail);

/* these are actually size ibcq.cqe + 1 */
	struct ib_uverbs_wc uqueue[];
};

/*
 * Receive work request queue entry.
 * The size of the sg_list is determined when the QP (or SRQ) is created
 * and stored in qp->r_rq.max_sge (or srq->rq.max_sge).
 */
struct rvt_rwqe {
	__u64 wr_id;
	__u8 num_sge;
	__u8 padding[7];
	struct rvt_wqe_sge sg_list[];
};

/*
 * This structure is used to contain the head pointer, tail pointer,
 * and receive work queue entries as a single memory allocation so
 * it can be mmap'ed into user space.
 * Note that the wq array elements are variable size so you can't
 * just index into the array to get the N'th element;
 * use get_rwqe_ptr() for user space and rvt_get_rwqe_ptr()
 * for kernel space.
 */
struct rvt_rwq {
	/* new work requests posted to the head */
	RDMA_ATOMIC_UAPI(__u32, head);
	/* receives pull requests from here. */
	RDMA_ATOMIC_UAPI(__u32, tail);
	struct rvt_rwqe wq[];
};
#endif /* RVT_ABI_USER_H */