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/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License (the "License").
* You may not use this file except in compliance with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* or http://www.opensolaris.org/os/licensing.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/*
* Copyright 2009 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
#ifndef _IBDMA_IMPL_H
#define _IBDMA_IMPL_H
/*
* ibdma_impl.h
*
* Device Management Agent private prototypes and structures.
*/
#ifdef __cpluplus
extern "C" {
#endif
#include <sys/ib/ibtl/ibvti.h> /* IB verrbs interfaces */
#include <sys/ib/mgt/ib_dm_attr.h> /* IB DM defines/structures */
#include <sys/ib/mgt/ib_mad.h> /* IB MAD defines/structures */
enum {
IBDMA_MAD_SIZE = 256,
IBDMA_DM_MAD_HDR_SIZE = 40,
IBDMA_DM_RESP_TIME = 20,
IBDMA_MAX_IOC = 16
};
/*
* Implementation of handle returned to consumer.
*/
typedef struct ibdma_hdl_impl_s {
list_node_t ih_node;
ib_guid_t ih_iou_guid;
uint8_t ih_ioc_ndx;
} ibdma_hdl_impl_t;
/*
* Each I/O Controller slot for the I/O Unit.
*/
typedef struct ibdma_ioc_s {
uint8_t ii_inuse;
/*
* Just to map handle back to slot number and hca
*/
int ii_slot;
struct ibdma_hca_s *ii_hcap;
/*
* Profile provided by the I/O Controller, must be stored
* in network order. Note that the profile indicates the
* number of service entries pointed to by ii_srvcs.
*/
ib_dm_ioc_ctrl_profile_t ii_profile;
ib_dm_srv_t *ii_srvcs;
} ibdma_ioc_t;
/*
* The ibdma_hca_t structure is only used internally by the
* IB DM Agent. It is created when the associated HCA is
* opened as part of initialization or as a result of a
* notification via IBTF. It is destroyed when the HCA
* is closed as part of fini processing or as a result of
* a notification via IBTF. The structure is not directly
* accessed by IBMF call-backs or the consumer API.
*/
typedef struct ibdma_port_s {
ibmf_handle_t ip_ibmf_hdl;
ibmf_register_info_t ip_ibmf_reg;
ibmf_impl_caps_t ip_ibmf_caps;
struct ibdma_hca_s *ip_hcap;
} ibdma_port_t;
typedef struct ibdma_hca_s {
list_node_t ih_node;
ibt_hca_hdl_t ih_ibt_hdl;
/*
* Consumer handles associated with I/O Controllers
* that have registered with this I/O Unit.
*/
list_t ih_hdl_list;
/*
* The I/O Unit that is presented to the IB Fabric.
* It is stored in network order.
*/
krwlock_t ih_iou_rwlock;
ib_guid_t ih_iou_guid;
ib_dm_io_unitinfo_t ih_iou;
ibdma_ioc_t ih_ioc[IBDMA_MAX_IOC];
uint8_t ih_nports;
ibdma_port_t ih_port[1];
} ibdma_hca_t;
/*
* The IBDMA module state information created and initialized
* at _init() and freed at _fini().
*/
typedef struct ibdma_mod_state_s {
ibt_clnt_hdl_t ms_ibt_hdl;
/*
* The HCA list lock is used protect the HCA list and
* is held during consumer routines (in place of a
* reference count) to ensure the HCA exists for the
* duration of it's use in the routine.
*/
kmutex_t ms_hca_list_lock;
list_t ms_hca_list;
uint_t ms_num_hcas;
} ibdma_mod_state_t;
/*
* Client API internal helpers
*/
typedef enum ibdma_ioc_state_e {
IBDMA_IOC_NOT_INSTALLED = 0,
IBDMA_IOC_PRESENT = 1,
IBDMA_IOC_DOES_NOT_EXIST = 255,
IBDMA_HDL_MAGIC = 0x00931000
} ibdma_ioc_state_t;
static void
ibdma_set_ioc_state(ibdma_hca_t *hca, int slot, ibdma_ioc_state_t state);
static ibdma_ioc_state_t ibdma_get_ioc_state(ibdma_hca_t *hca, int slot);
#endif /* _IBDMA_IMPL_H */
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