diff options
Diffstat (limited to 'drivers/infiniband/core/mad_priv.h')
| -rw-r--r-- | drivers/infiniband/core/mad_priv.h | 199 |
1 files changed, 199 insertions, 0 deletions
diff --git a/drivers/infiniband/core/mad_priv.h b/drivers/infiniband/core/mad_priv.h new file mode 100644 index 00000000000..4ba9f726bf1 --- /dev/null +++ b/drivers/infiniband/core/mad_priv.h @@ -0,0 +1,199 @@ +/* + * 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 1389 2004-12-27 22:56:47Z roland $ + */ + +#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; + 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 work_struct timed_work; + unsigned long timeout; + struct list_head local_list; + struct work_struct local_work; + struct list_head canceled_list; + struct work_struct canceled_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 *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; + unsigned long timeout; + 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; +}; + +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__ */ |