RDMA/erdma: Add the ABI definitions

Add erdma ABI definitions which will be shared between kernel and
userspace. This commit also fix compile issues reported by lkp.

Link: https://lore.kernel.org/r/20220727014927.76564-11-chengyou@linux.alibaba.com
Reported-by: kernel test robot <lkp@intel.com>
Signed-off-by: Cheng Xu <chengyou@linux.alibaba.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>

diff --git a/include/uapi/rdma/erdma-abi.h b/include/uapi/rdma/erdma-abi.h
new file mode 100644 (file)
index 0000000..b7a0222
--- /dev/null
+++ b/include/uapi/rdma/erdma-abi.h
@@ -0,0 +1,49 @@
+/* SPDX-License-Identifier: ((GPL-2.0 WITH Linux-syscall-note) OR BSD-3-Clause) */
+/*
+ * Copyright (c) 2020-2022, Alibaba Group.
+ */
+
+#ifndef __ERDMA_USER_H__
+#define __ERDMA_USER_H__
+
+#include <linux/types.h>
+
+#define ERDMA_ABI_VERSION       1
+
+struct erdma_ureq_create_cq {
+       __aligned_u64 db_record_va;
+       __aligned_u64 qbuf_va;
+       __u32 qbuf_len;
+       __u32 rsvd0;
+};
+
+struct erdma_uresp_create_cq {
+       __u32 cq_id;
+       __u32 num_cqe;
+};
+
+struct erdma_ureq_create_qp {
+       __aligned_u64 db_record_va;
+       __aligned_u64 qbuf_va;
+       __u32 qbuf_len;
+       __u32 rsvd0;
+};
+
+struct erdma_uresp_create_qp {
+       __u32 qp_id;
+       __u32 num_sqe;
+       __u32 num_rqe;
+       __u32 rq_offset;
+};
+
+struct erdma_uresp_alloc_ctx {
+       __u32 dev_id;
+       __u32 pad;
+       __u32 sdb_type;
+       __u32 sdb_offset;
+       __aligned_u64 sdb;
+       __aligned_u64 rdb;
+       __aligned_u64 cdb;
+};
+
+#endif