linux/include/uapi/rdma/mana-abi.h
Konstantin Taranov fdefb91849 RDMA/mana_ib: Implement uapi to create and destroy RC QP
Implement user requests to create and destroy an RC QP.
As the user does not have an FMR queue, it is skipped and NO_FMR flag
is used.

Signed-off-by: Konstantin Taranov <kotaranov@microsoft.com>
Link: https://lore.kernel.org/r/1716366242-558-3-git-send-email-kotaranov@linux.microsoft.com
Reviewed-by: Zhu Yanjun <yanjun.zhu@linux.dev>
Signed-off-by: Leon Romanovsky <leon@kernel.org>
2024-05-30 15:26:57 +03:00

88 lines
1.5 KiB
C

/* SPDX-License-Identifier: (GPL-2.0 WITH Linux-syscall-note) */
/*
* Copyright (c) 2022, Microsoft Corporation. All rights reserved.
*/
#ifndef MANA_ABI_USER_H
#define MANA_ABI_USER_H
#include <linux/types.h>
#include <rdma/ib_user_ioctl_verbs.h>
/*
* Increment this value if any changes that break userspace ABI
* compatibility are made.
*/
#define MANA_IB_UVERBS_ABI_VERSION 1
enum mana_ib_create_cq_flags {
MANA_IB_CREATE_RNIC_CQ = 1 << 0,
};
struct mana_ib_create_cq {
__aligned_u64 buf_addr;
__u16 flags;
__u16 reserved0;
__u32 reserved1;
};
struct mana_ib_create_cq_resp {
__u32 cqid;
__u32 reserved;
};
struct mana_ib_create_qp {
__aligned_u64 sq_buf_addr;
__u32 sq_buf_size;
__u32 port;
};
struct mana_ib_create_qp_resp {
__u32 sqid;
__u32 cqid;
__u32 tx_vp_offset;
__u32 reserved;
};
struct mana_ib_create_rc_qp {
__aligned_u64 queue_buf[4];
__u32 queue_size[4];
};
struct mana_ib_create_rc_qp_resp {
__u32 queue_id[4];
};
struct mana_ib_create_wq {
__aligned_u64 wq_buf_addr;
__u32 wq_buf_size;
__u32 reserved;
};
/* RX Hash function flags */
enum mana_ib_rx_hash_function_flags {
MANA_IB_RX_HASH_FUNC_TOEPLITZ = 1 << 0,
};
struct mana_ib_create_qp_rss {
__aligned_u64 rx_hash_fields_mask;
__u8 rx_hash_function;
__u8 reserved[7];
__u32 rx_hash_key_len;
__u8 rx_hash_key[40];
__u32 port;
};
struct rss_resp_entry {
__u32 cqid;
__u32 wqid;
};
struct mana_ib_create_qp_rss_resp {
__aligned_u64 num_entries;
struct rss_resp_entry entries[64];
};
#endif