Adding upstream version 6.1.76.upstream/6.1.76

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 223 insertions, 0 deletions

diff --git a/include/uapi/rdma/rdma_user_rxe.h b/include/uapi/rdma/rdma_user_rxe.h
new file mode 100644
index 000000000..73f679dfd
--- /dev/null
+++ b/include/uapi/rdma/rdma_user_rxe.h
@@ -0,0 +1,223 @@
+/* SPDX-License-Identifier: ((GPL-2.0 WITH Linux-syscall-note) OR Linux-OpenIB) */
+/*
+ * Copyright (c) 2016 Mellanox Technologies Ltd. All rights reserved.
+ *
+ * This software is available to you under a choice of one of two
+ * licenses.  You may choose to be licensed under the terms of the GNU
+ * General Public License (GPL) Version 2, available from the file
+ * COPYING in the main directory of this source tree, or the
+ * OpenIB.org BSD license below:
+ *
+ *     Redistribution and use in source and binary forms, with or
+ *     without modification, are permitted provided that the following
+ *     conditions are met:
+ *
+ *	- Redistributions of source code must retain the above
+ *	  copyright notice, this list of conditions and the following
+ *	  disclaimer.
+ *
+ *	- Redistributions in binary form must reproduce the above
+ *	  copyright notice, this list of conditions and the following
+ *	  disclaimer in the documentation and/or other materials
+ *	  provided with the distribution.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
+ * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
+ * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+#ifndef RDMA_USER_RXE_H
+#define RDMA_USER_RXE_H
+
+#include <linux/types.h>
+#include <linux/socket.h>
+#include <linux/in.h>
+#include <linux/in6.h>
+
+enum {
+	RXE_NETWORK_TYPE_IPV4 = 1,
+	RXE_NETWORK_TYPE_IPV6 = 2,
+};
+
+union rxe_gid {
+	__u8	raw[16];
+	struct {
+		__be64	subnet_prefix;
+		__be64	interface_id;
+	} global;
+};
+
+struct rxe_global_route {
+	union rxe_gid	dgid;
+	__u32		flow_label;
+	__u8		sgid_index;
+	__u8		hop_limit;
+	__u8		traffic_class;
+};
+
+struct rxe_av {
+	__u8			port_num;
+	/* From RXE_NETWORK_TYPE_* */
+	__u8			network_type;
+	__u8			dmac[6];
+	struct rxe_global_route	grh;
+	union {
+		struct sockaddr_in	_sockaddr_in;
+		struct sockaddr_in6	_sockaddr_in6;
+	} sgid_addr, dgid_addr;
+};
+
+struct rxe_send_wr {
+	__aligned_u64		wr_id;
+	__u32			reserved;
+	__u32			opcode;
+	__u32			send_flags;
+	union {
+		__be32		imm_data;
+		__u32		invalidate_rkey;
+	} ex;
+	union {
+		struct {
+			__aligned_u64 remote_addr;
+			__u32	rkey;
+			__u32	reserved;
+		} rdma;
+		struct {
+			__aligned_u64 remote_addr;
+			__aligned_u64 compare_add;
+			__aligned_u64 swap;
+			__u32	rkey;
+			__u32	reserved;
+		} atomic;
+		struct {
+			__u32	remote_qpn;
+			__u32	remote_qkey;
+			__u16	pkey_index;
+			__u16	reserved;
+			__u32	ah_num;
+			__u32	pad[4];
+			struct rxe_av av;
+		} ud;
+		struct {
+			__aligned_u64	addr;
+			__aligned_u64	length;
+			__u32		mr_lkey;
+			__u32		mw_rkey;
+			__u32		rkey;
+			__u32		access;
+		} mw;
+		/* reg is only used by the kernel and is not part of the uapi */
+#ifdef __KERNEL__
+		struct {
+			union {
+				struct ib_mr *mr;
+				__aligned_u64 reserved;
+			};
+			__u32	     key;
+			__u32	     access;
+		} reg;
+#endif
+	} wr;
+};
+
+struct rxe_sge {
+	__aligned_u64 addr;
+	__u32	length;
+	__u32	lkey;
+};
+
+struct mminfo {
+	__aligned_u64		offset;
+	__u32			size;
+	__u32			pad;
+};
+
+struct rxe_dma_info {
+	__u32			length;
+	__u32			resid;
+	__u32			cur_sge;
+	__u32			num_sge;
+	__u32			sge_offset;
+	__u32			reserved;
+	union {
+		__DECLARE_FLEX_ARRAY(__u8, inline_data);
+		__DECLARE_FLEX_ARRAY(struct rxe_sge, sge);
+	};
+};
+
+struct rxe_send_wqe {
+	struct rxe_send_wr	wr;
+	__u32			status;
+	__u32			state;
+	__aligned_u64		iova;
+	__u32			mask;
+	__u32			first_psn;
+	__u32			last_psn;
+	__u32			ack_length;
+	__u32			ssn;
+	__u32			has_rd_atomic;
+	struct rxe_dma_info	dma;
+};
+
+struct rxe_recv_wqe {
+	__aligned_u64		wr_id;
+	__u32			reserved;
+	__u32			padding;
+	struct rxe_dma_info	dma;
+};
+
+struct rxe_create_ah_resp {
+	__u32 ah_num;
+	__u32 reserved;
+};
+
+struct rxe_create_cq_resp {
+	struct mminfo mi;
+};
+
+struct rxe_resize_cq_resp {
+	struct mminfo mi;
+};
+
+struct rxe_create_qp_resp {
+	struct mminfo rq_mi;
+	struct mminfo sq_mi;
+};
+
+struct rxe_create_srq_resp {
+	struct mminfo mi;
+	__u32 srq_num;
+	__u32 reserved;
+};
+
+struct rxe_modify_srq_cmd {
+	__aligned_u64 mmap_info_addr;
+};
+
+/* This data structure is stored at the base of work and
+ * completion queues shared between user space and kernel space.
+ * It contains the producer and consumer indices. Is also
+ * contains a copy of the queue size parameters for user space
+ * to use but the kernel must use the parameters in the
+ * rxe_queue struct. For performance reasons arrange to have
+ * producer and consumer indices in separate cache lines
+ * the kernel should always mask the indices to avoid accessing
+ * memory outside of the data area
+ */
+struct rxe_queue_buf {
+	__u32			log2_elem_size;
+	__u32			index_mask;
+	__u32			pad_1[30];
+	__u32			producer_index;
+	__u32			pad_2[31];
+	__u32			consumer_index;
+	__u32			pad_3[31];
+	__u8			data[];
+};
+
+#endif /* RDMA_USER_RXE_H */