201 lines
5.2 KiB
C
201 lines
5.2 KiB
C
/*
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* Copyright (c) 2004, 2005, Voltaire, Inc. All rights reserved.
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*
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* This software is available to you under a choice of one of two
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* licenses. You may choose to be licensed under the terms of the GNU
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* General Public License (GPL) Version 2, available from the file
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* COPYING in the main directory of this source tree, or the
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* OpenIB.org BSD license below:
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*
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* Redistribution and use in source and binary forms, with or
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* without modification, are permitted provided that the following
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* conditions are met:
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*
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* - Redistributions of source code must retain the above
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* copyright notice, this list of conditions and the following
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* disclaimer.
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*
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* - Redistributions in binary form must reproduce the above
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* copyright notice, this list of conditions and the following
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* disclaimer in the documentation and/or other materials
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* provided with the distribution.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
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* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
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* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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* SOFTWARE.
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*
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* $Id: mad_priv.h 1389 2004-12-27 22:56:47Z roland $
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*/
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#ifndef __IB_MAD_PRIV_H__
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#define __IB_MAD_PRIV_H__
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#include <linux/pci.h>
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#include <linux/kthread.h>
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#include <linux/workqueue.h>
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#include <ib_mad.h>
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#include <ib_smi.h>
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#define PFX "ib_mad: "
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#define IB_MAD_QPS_CORE 2 /* Always QP0 and QP1 as a minimum */
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/* QP and CQ parameters */
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#define IB_MAD_QP_SEND_SIZE 128
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#define IB_MAD_QP_RECV_SIZE 512
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#define IB_MAD_SEND_REQ_MAX_SG 2
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#define IB_MAD_RECV_REQ_MAX_SG 1
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#define IB_MAD_SEND_Q_PSN 0
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/* Registration table sizes */
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#define MAX_MGMT_CLASS 80
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#define MAX_MGMT_VERSION 8
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#define MAX_MGMT_OUI 8
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#define MAX_MGMT_VENDOR_RANGE2 (IB_MGMT_CLASS_VENDOR_RANGE2_END - \
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IB_MGMT_CLASS_VENDOR_RANGE2_START + 1)
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struct ib_mad_list_head {
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struct list_head list;
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struct ib_mad_queue *mad_queue;
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};
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struct ib_mad_private_header {
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struct ib_mad_list_head mad_list;
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struct ib_mad_recv_wc recv_wc;
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struct ib_wc wc;
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DECLARE_PCI_UNMAP_ADDR(mapping)
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} __attribute__ ((packed));
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struct ib_mad_private {
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struct ib_mad_private_header header;
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struct ib_grh grh;
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union {
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struct ib_mad mad;
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struct ib_rmpp_mad rmpp_mad;
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struct ib_smp smp;
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} mad;
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} __attribute__ ((packed));
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struct ib_mad_agent_private {
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struct list_head agent_list;
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struct ib_mad_agent agent;
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struct ib_mad_reg_req *reg_req;
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struct ib_mad_qp_info *qp_info;
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spinlock_t lock;
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struct list_head send_list;
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struct list_head wait_list;
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struct work_struct timed_work;
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unsigned long timeout;
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struct list_head local_list;
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struct work_struct local_work;
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struct list_head canceled_list;
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struct work_struct canceled_work;
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atomic_t refcount;
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wait_queue_head_t wait;
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u8 rmpp_version;
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};
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struct ib_mad_snoop_private {
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struct ib_mad_agent agent;
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struct ib_mad_qp_info *qp_info;
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int snoop_index;
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int mad_snoop_flags;
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atomic_t refcount;
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wait_queue_head_t wait;
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};
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struct ib_mad_send_wr_private {
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struct ib_mad_list_head mad_list;
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struct list_head agent_list;
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struct ib_mad_agent *agent;
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struct ib_send_wr send_wr;
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struct ib_sge sg_list[IB_MAD_SEND_REQ_MAX_SG];
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u64 wr_id; /* client WR ID */
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u64 tid;
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unsigned long timeout;
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int retry;
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int refcount;
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enum ib_wc_status status;
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};
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struct ib_mad_local_private {
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struct list_head completion_list;
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struct ib_mad_private *mad_priv;
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struct ib_mad_agent_private *recv_mad_agent;
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struct ib_send_wr send_wr;
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struct ib_sge sg_list[IB_MAD_SEND_REQ_MAX_SG];
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u64 wr_id; /* client WR ID */
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u64 tid;
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};
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struct ib_mad_mgmt_method_table {
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struct ib_mad_agent_private *agent[IB_MGMT_MAX_METHODS];
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};
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struct ib_mad_mgmt_class_table {
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struct ib_mad_mgmt_method_table *method_table[MAX_MGMT_CLASS];
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};
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struct ib_mad_mgmt_vendor_class {
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u8 oui[MAX_MGMT_OUI][3];
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struct ib_mad_mgmt_method_table *method_table[MAX_MGMT_OUI];
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};
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struct ib_mad_mgmt_vendor_class_table {
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struct ib_mad_mgmt_vendor_class *vendor_class[MAX_MGMT_VENDOR_RANGE2];
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};
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struct ib_mad_mgmt_version_table {
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struct ib_mad_mgmt_class_table *class;
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struct ib_mad_mgmt_vendor_class_table *vendor;
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};
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struct ib_mad_queue {
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spinlock_t lock;
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struct list_head list;
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int count;
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int max_active;
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struct ib_mad_qp_info *qp_info;
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};
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struct ib_mad_qp_info {
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struct ib_mad_port_private *port_priv;
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struct ib_qp *qp;
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struct ib_mad_queue send_queue;
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struct ib_mad_queue recv_queue;
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struct list_head overflow_list;
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spinlock_t snoop_lock;
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struct ib_mad_snoop_private **snoop_table;
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int snoop_table_size;
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atomic_t snoop_count;
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};
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struct ib_mad_port_private {
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struct list_head port_list;
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struct ib_device *device;
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int port_num;
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struct ib_cq *cq;
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struct ib_pd *pd;
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struct ib_mr *mr;
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spinlock_t reg_lock;
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struct ib_mad_mgmt_version_table version[MAX_MGMT_VERSION];
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struct list_head agent_list;
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struct workqueue_struct *wq;
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struct work_struct work;
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struct ib_mad_qp_info qp_info[IB_MAD_QPS_CORE];
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};
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extern kmem_cache_t *ib_mad_cache;
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#endif /* __IB_MAD_PRIV_H__ */
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