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/* 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 {
/* Reserved for backward compatibility. Legacy
* kernel versions use it to create CQs in RNIC
*/
MANA_IB_CREATE_RNIC_CQ = 1 << 0,
};
struct mana_ib_create_cq {
__aligned_u64 buf_addr;
__u16 comp_mask;
__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;
};
enum mana_ib_create_rc_qp_flags {
MANA_IB_RC_QP_FIXED_WQE = 1 << 0,
MANA_IB_RC_MMQ_CREATE = 1 << 1,
};
struct mana_ib_create_rc_qp {
__aligned_u64 queue_buf[4];
__u32 queue_size[4];
__aligned_u64 mmq_buf;
__u32 mmq_size;
__u32 comp_mask;
};
struct mana_ib_create_rc_qp_resp {
__u32 queue_id[4];
__u32 mmq_id;
__u32 reserved;
};
struct mana_ib_create_uc_qp {
__aligned_u64 queue_buf[3];
__u32 queue_size[3];
__u32 comp_mask;
};
struct mana_ib_create_uc_qp_resp {
__u32 queue_id[3];
__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];
};
enum mana_ib_ucontext_support {
MANA_IB_UCNTX_ALLOC_PDN_SUPPORT = 1 << 0,
MANA_IB_UCNTX_RC_EXT_SUPPORT = 1 << 1,
};
struct mana_ib_alloc_ucontext_resp {
__aligned_u64 comp_mask;
};
enum mana_ib_create_pd_flags {
MANA_IB_PD_SHORT_PDN = 1 << 0,
};
struct mana_ib_alloc_pd {
__u32 comp_mask;
__u32 reserved;
};
struct mana_ib_alloc_pd_resp {
__u32 pdn;
__u32 reserved;
};
#endif
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