[deliverable/linux.git] / drivers / infiniband / core / mad_priv.h

/*
 * Copyright (c) 2004, 2005, Voltaire, Inc. 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.
 *
 * $Id: mad_priv.h 1980 2005-03-11 22:33:53Z sean.hefty $
 */

#ifndef __IB_MAD_PRIV_H__
#define __IB_MAD_PRIV_H__

#include <linux/pci.h>
#include <linux/kthread.h>
#include <linux/workqueue.h>
#include <ib_mad.h>
#include <ib_smi.h>


#define PFX "ib_mad: "

#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_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	8
#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_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;
	DECLARE_PCI_UNMAP_ADDR(mapping)
} __attribute__ ((packed));

struct ib_mad_private {
	struct ib_mad_private_header header;
	struct ib_grh grh;
	union {
		struct ib_mad mad;
		struct ib_rmpp_mad rmpp_mad;
		struct ib_smp smp;
	} mad;
} __attribute__ ((packed));

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 work_struct timed_work;
	unsigned long timeout;
	struct list_head local_list;
	struct work_struct local_work;

	atomic_t refcount;
	wait_queue_head_t wait;
	u8 rmpp_version;
};

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;
	wait_queue_head_t wait;
};

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_send_wr send_wr;
	struct ib_sge sg_list[IB_MAD_SEND_REQ_MAX_SG];
	u64 wr_id;			/* client WR ID */
	u64 tid;
	unsigned long timeout;
	int retries;
	int retry;
	int refcount;
	enum ib_wc_status status;
};

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_send_wr send_wr;
	struct ib_sge sg_list[IB_MAD_SEND_REQ_MAX_SG];
	u64 wr_id;			/* client WR ID */
	u64 tid;
	int retries;
};

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;
	struct ib_mr *mr;

	spinlock_t reg_lock;
	struct ib_mad_mgmt_version_table version[MAX_MGMT_VERSION];
	struct list_head agent_list;
	struct workqueue_struct *wq;
	struct work_struct work;
	struct ib_mad_qp_info qp_info[IB_MAD_QPS_CORE];
};

extern kmem_cache_t *ib_mad_cache;

#endif	/* __IB_MAD_PRIV_H__ */
Commit	Line	Data
1da177e4 LT	1	/*
	2	* Copyright (c) 2004, 2005, Voltaire, Inc. All rights reserved.
	3	*
	4	* This software is available to you under a choice of one of two
	5	* licenses. You may choose to be licensed under the terms of the GNU
	6	* General Public License (GPL) Version 2, available from the file
	7	* COPYING in the main directory of this source tree, or the
	8	* OpenIB.org BSD license below:
	9	*
	10	* Redistribution and use in source and binary forms, with or
	11	* without modification, are permitted provided that the following
	12	* conditions are met:
	13	*
	14	* - Redistributions of source code must retain the above
	15	* copyright notice, this list of conditions and the following
	16	* disclaimer.
	17	*
	18	* - Redistributions in binary form must reproduce the above
	19	* copyright notice, this list of conditions and the following
	20	* disclaimer in the documentation and/or other materials
	21	* provided with the distribution.
	22	*
	23	* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
	24	* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
	25	* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
	26	* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
	27	* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
	28	* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
	29	* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
	30	* SOFTWARE.
	31	*
d760ce8f	32	* $Id: mad_priv.h 1980 2005-03-11 22:33:53Z sean.hefty $
1da177e4 LT	33	*/
	34
	35	#ifndef __IB_MAD_PRIV_H__
	36	#define __IB_MAD_PRIV_H__
	37
	38	#include <linux/pci.h>
	39	#include <linux/kthread.h>
	40	#include <linux/workqueue.h>
	41	#include <ib_mad.h>
	42	#include <ib_smi.h>
	43
	44
	45	#define PFX "ib_mad: "
	46
	47	#define IB_MAD_QPS_CORE 2 /* Always QP0 and QP1 as a minimum */
	48
	49	/* QP and CQ parameters */
	50	#define IB_MAD_QP_SEND_SIZE 128
	51	#define IB_MAD_QP_RECV_SIZE 512
	52	#define IB_MAD_SEND_REQ_MAX_SG 2
	53	#define IB_MAD_RECV_REQ_MAX_SG 1
	54
	55	#define IB_MAD_SEND_Q_PSN 0
	56
	57	/* Registration table sizes */
	58	#define MAX_MGMT_CLASS 80
	59	#define MAX_MGMT_VERSION 8
	60	#define MAX_MGMT_OUI 8
	61	#define MAX_MGMT_VENDOR_RANGE2 (IB_MGMT_CLASS_VENDOR_RANGE2_END - \
	62	IB_MGMT_CLASS_VENDOR_RANGE2_START + 1)
	63
	64	struct ib_mad_list_head {
	65	struct list_head list;
	66	struct ib_mad_queue *mad_queue;
	67	};
	68
	69	struct ib_mad_private_header {
	70	struct ib_mad_list_head mad_list;
	71	struct ib_mad_recv_wc recv_wc;
24239aff	72	struct ib_wc wc;
1da177e4 LT	73	DECLARE_PCI_UNMAP_ADDR(mapping)
	74	} __attribute__ ((packed));
	75
	76	struct ib_mad_private {
	77	struct ib_mad_private_header header;
	78	struct ib_grh grh;
	79	union {
	80	struct ib_mad mad;
	81	struct ib_rmpp_mad rmpp_mad;
	82	struct ib_smp smp;
	83	} mad;
	84	} __attribute__ ((packed));
	85
	86	struct ib_mad_agent_private {
	87	struct list_head agent_list;
	88	struct ib_mad_agent agent;
	89	struct ib_mad_reg_req *reg_req;
	90	struct ib_mad_qp_info *qp_info;
	91
	92	spinlock_t lock;
	93	struct list_head send_list;
	94	struct list_head wait_list;
6a0c435e	95	struct list_head done_list;
1da177e4 LT	96	struct work_struct timed_work;
	97	unsigned long timeout;
	98	struct list_head local_list;
	99	struct work_struct local_work;
1da177e4 LT	100
	101	atomic_t refcount;
	102	wait_queue_head_t wait;
	103	u8 rmpp_version;
	104	};
	105
	106	struct ib_mad_snoop_private {
	107	struct ib_mad_agent agent;
	108	struct ib_mad_qp_info *qp_info;
	109	int snoop_index;
	110	int mad_snoop_flags;
	111	atomic_t refcount;
	112	wait_queue_head_t wait;
	113	};
	114
	115	struct ib_mad_send_wr_private {
	116	struct ib_mad_list_head mad_list;
	117	struct list_head agent_list;
d760ce8f	118	struct ib_mad_agent_private *mad_agent_priv;
1da177e4 LT	119	struct ib_send_wr send_wr;
	120	struct ib_sge sg_list[IB_MAD_SEND_REQ_MAX_SG];
	121	u64 wr_id; /* client WR ID */
	122	u64 tid;
	123	unsigned long timeout;
f75b7a52	124	int retries;
1da177e4 LT	125	int retry;
	126	int refcount;
	127	enum ib_wc_status status;
	128	};
	129
	130	struct ib_mad_local_private {
	131	struct list_head completion_list;
	132	struct ib_mad_private *mad_priv;
	133	struct ib_mad_agent_private *recv_mad_agent;
	134	struct ib_send_wr send_wr;
	135	struct ib_sge sg_list[IB_MAD_SEND_REQ_MAX_SG];
	136	u64 wr_id; /* client WR ID */
	137	u64 tid;
f75b7a52	138	int retries;
1da177e4 LT	139	};
	140
	141	struct ib_mad_mgmt_method_table {
	142	struct ib_mad_agent_private *agent[IB_MGMT_MAX_METHODS];
	143	};
	144
	145	struct ib_mad_mgmt_class_table {
	146	struct ib_mad_mgmt_method_table *method_table[MAX_MGMT_CLASS];
	147	};
	148
	149	struct ib_mad_mgmt_vendor_class {
	150	u8 oui[MAX_MGMT_OUI][3];
	151	struct ib_mad_mgmt_method_table *method_table[MAX_MGMT_OUI];
	152	};
	153
	154	struct ib_mad_mgmt_vendor_class_table {
	155	struct ib_mad_mgmt_vendor_class *vendor_class[MAX_MGMT_VENDOR_RANGE2];
	156	};
	157
	158	struct ib_mad_mgmt_version_table {
	159	struct ib_mad_mgmt_class_table *class;
	160	struct ib_mad_mgmt_vendor_class_table *vendor;
	161	};
	162
	163	struct ib_mad_queue {
	164	spinlock_t lock;
	165	struct list_head list;
	166	int count;
	167	int max_active;
	168	struct ib_mad_qp_info *qp_info;
	169	};
	170
	171	struct ib_mad_qp_info {
	172	struct ib_mad_port_private *port_priv;
	173	struct ib_qp *qp;
	174	struct ib_mad_queue send_queue;
	175	struct ib_mad_queue recv_queue;
	176	struct list_head overflow_list;
	177	spinlock_t snoop_lock;
	178	struct ib_mad_snoop_private **snoop_table;
	179	int snoop_table_size;
	180	atomic_t snoop_count;
	181	};
	182
	183	struct ib_mad_port_private {
	184	struct list_head port_list;
	185	struct ib_device *device;
	186	int port_num;
	187	struct ib_cq *cq;
	188	struct ib_pd *pd;
	189	struct ib_mr *mr;
	190
	191	spinlock_t reg_lock;
	192	struct ib_mad_mgmt_version_table version[MAX_MGMT_VERSION];
	193	struct list_head agent_list;
	194	struct workqueue_struct *wq;
	195	struct work_struct work;
	196	struct ib_mad_qp_info qp_info[IB_MAD_QPS_CORE];
	197	};
	198
	199	extern kmem_cache_t *ib_mad_cache;
	200
	201	#endif /* __IB_MAD_PRIV_H__ */