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/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
/* Copyright (C) 2018-2025, Advanced Micro Devices, Inc */
#ifndef IONIC_ABI_H
#define IONIC_ABI_H
#include <linux/types.h>
#define IONIC_ABI_VERSION 1
#define IONIC_EXPDB_64 1
#define IONIC_EXPDB_128 2
#define IONIC_EXPDB_256 4
#define IONIC_EXPDB_512 8
#define IONIC_EXPDB_SQ 1
#define IONIC_EXPDB_RQ 2
#define IONIC_CMB_ENABLE 1
#define IONIC_CMB_REQUIRE 2
#define IONIC_CMB_EXPDB 4
#define IONIC_CMB_WC 8
#define IONIC_CMB_UC 16
struct ionic_ctx_req {
__u32 rsvd[2];
};
struct ionic_ctx_resp {
__u32 rsvd;
__u32 page_shift;
__aligned_u64 dbell_offset;
__u16 version;
__u8 qp_opcodes;
__u8 admin_opcodes;
__u8 sq_qtype;
__u8 rq_qtype;
__u8 cq_qtype;
__u8 admin_qtype;
__u8 max_stride;
__u8 max_spec;
__u8 udma_count;
__u8 expdb_mask;
__u8 expdb_qtypes;
__u8 rsvd2[3];
};
struct ionic_qdesc {
__aligned_u64 addr;
__u32 size;
__u16 mask;
__u8 depth_log2;
__u8 stride_log2;
};
struct ionic_ah_resp {
__u32 ahid;
__u32 pad;
};
struct ionic_cq_req {
struct ionic_qdesc cq[2];
__u8 udma_mask;
__u8 rsvd[7];
};
struct ionic_cq_resp {
__u32 cqid[2];
__u8 udma_mask;
__u8 rsvd[7];
};
struct ionic_qp_req {
struct ionic_qdesc sq;
struct ionic_qdesc rq;
__u8 sq_spec;
__u8 rq_spec;
__u8 sq_cmb;
__u8 rq_cmb;
__u8 udma_mask;
__u8 rsvd[3];
};
struct ionic_qp_resp {
__u32 qpid;
__u8 sq_cmb;
__u8 rq_cmb;
__u8 udma_idx;
__u8 rsvd[1];
__aligned_u64 sq_cmb_offset;
__aligned_u64 rq_cmb_offset;
};
struct ionic_srq_req {
struct ionic_qdesc rq;
__u8 rq_spec;
__u8 rq_cmb;
__u8 udma_mask;
__u8 rsvd[5];
};
struct ionic_srq_resp {
__u32 qpid;
__u8 rq_cmb;
__u8 udma_idx;
__u8 rsvd[2];
__aligned_u64 rq_cmb_offset;
};
#endif /* IONIC_ABI_H */
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