Orange Pi5 kernel

/*
 * Copyright (c) 2004, 2005, Voltaire, Inc. All rights reserved.
 * Copyright (c) 2005 Intel Corporation. All rights reserved.
 * Copyright (c) 2005 Sun Microsystems, Inc. All rights reserved.
 * Copyright (c) 2009 HNR Consulting. 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 __IB_MAD_PRIV_H__
#define __IB_MAD_PRIV_H__
 
#include <linux/completion.h>
#include <linux/err.h>
#include <linux/workqueue.h>
#include <rdma/ib_mad.h>
#include <rdma/ib_smi.h>
#include <rdma/opa_smi.h>
 
#define IB_MAD_QPS_CORE		2 /* Always QP0 and QP1 as a minimum */
 
/* QP and CQ parameters */
#define IB_MAD_QP_SEND_SIZE	128
#define IB_MAD_QP_RECV_SIZE	512
#define IB_MAD_QP_MIN_SIZE	64
#define IB_MAD_QP_MAX_SIZE	8192
#define IB_MAD_SEND_REQ_MAX_SG	2
#define IB_MAD_RECV_REQ_MAX_SG	1
 
#define IB_MAD_SEND_Q_PSN	0
 
/* Registration table sizes */
#define MAX_MGMT_CLASS		80
#define MAX_MGMT_VERSION	0x83
#define MAX_MGMT_OUI		8
#define MAX_MGMT_VENDOR_RANGE2	(IB_MGMT_CLASS_VENDOR_RANGE2_END - \
<------><------><------><------>IB_MGMT_CLASS_VENDOR_RANGE2_START + 1)
 
struct ib_mad_list_head {
<------>struct list_head list;
<------>struct ib_cqe cqe;
<------>struct ib_mad_queue *mad_queue;
};
 
struct ib_mad_private_header {
<------>struct ib_mad_list_head mad_list;
<------>struct ib_mad_recv_wc recv_wc;
<------>struct ib_wc wc;
<------>u64 mapping;
} __packed;
 
struct ib_mad_private {
<------>struct ib_mad_private_header header;
<------>size_t mad_size;
<------>struct ib_grh grh;
<------>u8 mad[];
} __packed;
 
struct ib_rmpp_segment {
<------>struct list_head list;
<------>u32 num;
<------>u8 data[];
};
 
struct ib_mad_agent_private {
<------>struct ib_mad_agent agent;
<------>struct ib_mad_reg_req *reg_req;
<------>struct ib_mad_qp_info *qp_info;
 
<------>spinlock_t lock;
<------>struct list_head send_list;
<------>struct list_head wait_list;
<------>struct list_head done_list;
<------>struct delayed_work timed_work;
<------>unsigned long timeout;
<------>struct list_head local_list;
<------>struct work_struct local_work;
<------>struct list_head rmpp_list;
 
<------>refcount_t refcount;
<------>union {
<------><------>struct completion comp;
<------><------>struct rcu_head rcu;
<------>};
};
 
struct ib_mad_snoop_private {
<------>struct ib_mad_agent agent;
<------>struct ib_mad_qp_info *qp_info;
<------>int snoop_index;
<------>int mad_snoop_flags;
<------>atomic_t refcount;
<------>struct completion comp;
};
 
struct ib_mad_send_wr_private {
<------>struct ib_mad_list_head mad_list;
<------>struct list_head agent_list;
<------>struct ib_mad_agent_private *mad_agent_priv;
<------>struct ib_mad_send_buf send_buf;
<------>u64 header_mapping;
<------>u64 payload_mapping;
<------>struct ib_ud_wr send_wr;
<------>struct ib_sge sg_list[IB_MAD_SEND_REQ_MAX_SG];
<------>__be64 tid;
<------>unsigned long timeout;
<------>int max_retries;
<------>int retries_left;
<------>int retry;
<------>int refcount;
<------>enum ib_wc_status status;
 
<------>/* RMPP control */
<------>struct list_head rmpp_list;
<------>struct ib_rmpp_segment *last_ack_seg;
<------>struct ib_rmpp_segment *cur_seg;
<------>int last_ack;
<------>int seg_num;
<------>int newwin;
<------>int pad;
};
 
struct ib_mad_local_private {
<------>struct list_head completion_list;
<------>struct ib_mad_private *mad_priv;
<------>struct ib_mad_agent_private *recv_mad_agent;
<------>struct ib_mad_send_wr_private *mad_send_wr;
<------>size_t return_wc_byte_len;
};
 
struct ib_mad_mgmt_method_table {
<------>struct ib_mad_agent_private *agent[IB_MGMT_MAX_METHODS];
};
 
struct ib_mad_mgmt_class_table {
<------>struct ib_mad_mgmt_method_table *method_table[MAX_MGMT_CLASS];
};
 
struct ib_mad_mgmt_vendor_class {
<------>u8	oui[MAX_MGMT_OUI][3];
<------>struct ib_mad_mgmt_method_table *method_table[MAX_MGMT_OUI];
};
 
struct ib_mad_mgmt_vendor_class_table {
<------>struct ib_mad_mgmt_vendor_class *vendor_class[MAX_MGMT_VENDOR_RANGE2];
};
 
struct ib_mad_mgmt_version_table {
<------>struct ib_mad_mgmt_class_table *class;
<------>struct ib_mad_mgmt_vendor_class_table *vendor;
};
 
struct ib_mad_queue {
<------>spinlock_t lock;
<------>struct list_head list;
<------>int count;
<------>int max_active;
<------>struct ib_mad_qp_info *qp_info;
};
 
struct ib_mad_qp_info {
<------>struct ib_mad_port_private *port_priv;
<------>struct ib_qp *qp;
<------>struct ib_mad_queue send_queue;
<------>struct ib_mad_queue recv_queue;
<------>struct list_head overflow_list;
<------>spinlock_t snoop_lock;
<------>struct ib_mad_snoop_private **snoop_table;
<------>int snoop_table_size;
<------>atomic_t snoop_count;
};
 
struct ib_mad_port_private {
<------>struct list_head port_list;
<------>struct ib_device *device;
<------>int port_num;
<------>struct ib_cq *cq;
<------>struct ib_pd *pd;
 
<------>spinlock_t reg_lock;
<------>struct ib_mad_mgmt_version_table version[MAX_MGMT_VERSION];
<------>struct workqueue_struct *wq;
<------>struct ib_mad_qp_info qp_info[IB_MAD_QPS_CORE];
};
 
int ib_send_mad(struct ib_mad_send_wr_private *mad_send_wr);
 
struct ib_mad_send_wr_private *
ib_find_send_mad(const struct ib_mad_agent_private *mad_agent_priv,
<------><------> const struct ib_mad_recv_wc *mad_recv_wc);
 
void ib_mad_complete_send_wr(struct ib_mad_send_wr_private *mad_send_wr,
<------><------><------>     struct ib_mad_send_wc *mad_send_wc);
 
void ib_mark_mad_done(struct ib_mad_send_wr_private *mad_send_wr);
 
void ib_reset_mad_timeout(struct ib_mad_send_wr_private *mad_send_wr,
<------><------><------>  unsigned long timeout_ms);
 
#endif	/* __IB_MAD_PRIV_H__ */