/*- * SPDX-License-Identifier: BSD-2-Clause OR GPL-2.0 * * 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 #include #include #include #include #include #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; } __attribute__ ((packed)); struct ib_mad_private { struct ib_mad_private_header header; size_t mad_size; struct ib_grh grh; u8 mad[0]; } __attribute__ ((packed)); struct ib_rmpp_segment { struct list_head list; u32 num; u8 data[0]; }; struct ib_mad_agent_private { struct list_head agent_list; 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; atomic_t refcount; struct completion comp; }; 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 list_head agent_list; 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, int timeout_ms); #endif /* __IB_MAD_PRIV_H__ */