linux/include/uapi/rdma/mana-abi.h
Konstantin Taranov 44b607ad4c RDMA/mana_ib: implement uapi for creation of rnic cq
Enable users to create RNIC CQs using a corresponding flag.
With the previous request size, an ethernet CQ is created.
As a response, return ID of the created CQ.

Signed-off-by: Konstantin Taranov <kotaranov@microsoft.com>
Link: https://lore.kernel.org/r/1714137160-5222-6-git-send-email-kotaranov@linux.microsoft.com
Reviewed-by: Long Li <longli@microsoft.com>
Signed-off-by: Leon Romanovsky <leon@kernel.org>
2024-05-05 15:27:23 +03:00

79 lines
1.3 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_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