netdev - [RDMA RFC v6 14/16] RDMA/irdma: Add ABI definitions

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Message-Id: <20200520070415.3392210-15-jeffrey.t.kirsher@intel.com>
Date:   Wed, 20 May 2020 00:04:13 -0700
From:   Jeff Kirsher <jeffrey.t.kirsher@...el.com>
To:     dledford@...hat.com, jgg@...lanox.com, davem@...emloft.net,
        gregkh@...uxfoundation.org
Cc:     Mustafa Ismail <mustafa.ismail@...el.com>,
        linux-rdma@...r.kernel.org, netdev@...r.kernel.org,
        nhorman@...hat.com, sassmann@...hat.com, poswald@...e.com,
        Shiraz Saleem <shiraz.saleem@...el.com>
Subject: [RDMA RFC v6 14/16] RDMA/irdma: Add ABI definitions

From: Mustafa Ismail <mustafa.ismail@...el.com>

Add ABI definitions for irdma.

Signed-off-by: Mustafa Ismail <mustafa.ismail@...el.com>
Signed-off-by: Shiraz Saleem <shiraz.saleem@...el.com>
---
 include/uapi/rdma/irdma-abi.h | 140 ++++++++++++++++++++++++++++++++++
 1 file changed, 140 insertions(+)
 create mode 100644 include/uapi/rdma/irdma-abi.h

diff --git a/include/uapi/rdma/irdma-abi.h b/include/uapi/rdma/irdma-abi.h
new file mode 100644
index 000000000000..2eb253220161
--- /dev/null
+++ b/include/uapi/rdma/irdma-abi.h
@@ -0,0 +1,140 @@
+/* SPDX-License-Identifier: (GPL-2.0 WITH Linux-syscall-note) OR Linux-OpenIB) */
+/*
+ * Copyright (c) 2006 - 2019 Intel Corporation.  All rights reserved.
+ * Copyright (c) 2005 Topspin Communications.  All rights reserved.
+ * Copyright (c) 2005 Cisco Systems.  All rights reserved.
+ * Copyright (c) 2005 Open Grid Computing, Inc. All rights reserved.
+ */
+
+#ifndef IRDMA_ABI_H
+#define IRDMA_ABI_H
+
+#include <linux/types.h>
+
+/* irdma must support legacy GEN_1 i40iw kernel
+ * and user-space whose last ABI ver is 5
+ */
+#define IRDMA_ABI_VER 6
+
+enum irdma_memreg_type {
+	IW_MEMREG_TYPE_MEM  = 0,
+	IW_MEMREG_TYPE_QP   = 1,
+	IW_MEMREG_TYPE_CQ   = 2,
+	IW_MEMREG_TYPE_RSVD = 3,
+	IW_MEMREG_TYPE_MW   = 4,
+};
+
+struct irdma_alloc_ucontext_req {
+	__u32 rsvd32;
+	__u8 userspace_ver;
+	__u8 rsvd8[3];
+};
+
+struct i40iw_alloc_ucontext_req {
+	__u32 rsvd32;
+	__u8 userspace_ver;
+	__u8 rsvd8[3];
+};
+
+struct irdma_alloc_ucontext_resp {
+	__aligned_u64 feature_flags;
+	__aligned_u64 db_mmap_key;
+	__u32 max_hw_wq_frags;
+	__u32 max_hw_read_sges;
+	__u32 max_hw_inline;
+	__u32 max_hw_rq_quanta;
+	__u32 max_hw_wq_quanta;
+	__u32 min_hw_cq_size;
+	__u32 max_hw_cq_size;
+	__u32 rsvd1[7];
+	__u16 max_hw_sq_chunk;
+	__u16 rsvd2[11];
+	__u8 kernel_ver;
+	__u8 hw_rev;
+	__u8 rsvd3[6];
+};
+
+struct i40iw_alloc_ucontext_resp {
+	__u32 max_pds;
+	__u32 max_qps;
+	__u32 wq_size; /* size of the WQs (SQ+RQ) in the mmaped area */
+	__u8 kernel_ver;
+	__u8 rsvd[3];
+};
+
+struct irdma_alloc_pd_resp {
+	__u32 pd_id;
+	__u8 rsvd[4];
+};
+
+struct irdma_resize_cq_req {
+	__aligned_u64 user_cq_buffer;
+};
+
+struct irdma_create_cq_req {
+	__aligned_u64 user_cq_buf;
+	__aligned_u64 user_shadow_area;
+};
+
+struct irdma_create_qp_req {
+	__aligned_u64 user_wqe_bufs;
+	__aligned_u64 user_compl_ctx;
+};
+
+struct i40iw_create_qp_req {
+	__aligned_u64 user_wqe_bufs;
+	__aligned_u64 user_compl_ctx;
+};
+
+struct irdma_mem_reg_req {
+	__u16 reg_type; /* Memory, QP or CQ */
+	__u16 cq_pages;
+	__u16 rq_pages;
+	__u16 sq_pages;
+};
+
+struct irdma_modify_qp_req {
+	__u8 sq_flush;
+	__u8 rq_flush;
+	__u8 rsvd[6];
+};
+
+struct irdma_create_cq_resp {
+	__u32 cq_id;
+	__u32 cq_size;
+};
+
+struct irdma_create_qp_resp {
+	__u32 qp_id;
+	__u32 actual_sq_size;
+	__u32 actual_rq_size;
+	__u32 irdma_drv_opt;
+	__u32 qp_caps;
+	__u16 rsvd1;
+	__u8 lsmm;
+	__u8 rsvd2;
+};
+
+struct i40iw_create_qp_resp {
+	__u32 qp_id;
+	__u32 actual_sq_size;
+	__u32 actual_rq_size;
+	__u32 i40iw_drv_opt;
+	__u16 push_idx;
+	__u8 lsmm;
+	__u8 rsvd;
+};
+
+struct irdma_modify_qp_resp {
+	__aligned_u64 push_wqe_mmap_key;
+	__aligned_u64 push_db_mmap_key;
+	__u16 push_offset;
+	__u8 push_valid;
+	__u8 rsvd[5];
+};
+
+struct irdma_create_ah_resp {
+	__u32 ah_id;
+	__u8 rsvd[4];
+};
+#endif /* IRDMA_ABI_H */
-- 
2.26.2