2013-04-29 22:48:53 +00:00
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/*-
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* Copyright (C) 2013 Intel Corporation
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* $FreeBSD$
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*/
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#ifndef _NTB_HW_H_
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#define _NTB_HW_H_
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struct ntb_softc;
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#define NTB_NUM_MW 2
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#define NTB_LINK_DOWN 0
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#define NTB_LINK_UP 1
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enum ntb_hw_event {
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NTB_EVENT_SW_EVENT0 = 0,
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NTB_EVENT_SW_EVENT1,
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NTB_EVENT_SW_EVENT2,
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NTB_EVENT_HW_ERROR,
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NTB_EVENT_HW_LINK_UP,
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NTB_EVENT_HW_LINK_DOWN,
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};
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typedef void (*ntb_db_callback)(void *data, int db_num);
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typedef void (*ntb_event_callback)(void *data, enum ntb_hw_event event);
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int ntb_register_event_callback(struct ntb_softc *ntb, ntb_event_callback func);
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void ntb_unregister_event_callback(struct ntb_softc *ntb);
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int ntb_register_db_callback(struct ntb_softc *ntb, unsigned int idx,
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void *data, ntb_db_callback func);
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void ntb_unregister_db_callback(struct ntb_softc *ntb, unsigned int idx);
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void *ntb_find_transport(struct ntb_softc *ntb);
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struct ntb_softc *ntb_register_transport(struct ntb_softc *ntb,
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void *transport);
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void ntb_unregister_transport(struct ntb_softc *ntb);
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int ntb_get_max_spads(struct ntb_softc *ntb);
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int ntb_write_local_spad(struct ntb_softc *ntb, unsigned int idx, uint32_t val);
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int ntb_read_local_spad(struct ntb_softc *ntb, unsigned int idx, uint32_t *val);
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int ntb_write_remote_spad(struct ntb_softc *ntb, unsigned int idx,
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uint32_t val);
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int ntb_read_remote_spad(struct ntb_softc *ntb, unsigned int idx,
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uint32_t *val);
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void *ntb_get_mw_vbase(struct ntb_softc *ntb, unsigned int mw);
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vm_paddr_t ntb_get_mw_pbase(struct ntb_softc *ntb, unsigned int mw);
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u_long ntb_get_mw_size(struct ntb_softc *ntb, unsigned int mw);
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void ntb_set_mw_addr(struct ntb_softc *ntb, unsigned int mw, uint64_t addr);
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void ntb_ring_sdb(struct ntb_softc *ntb, unsigned int db);
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bool ntb_query_link_status(struct ntb_softc *ntb);
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2013-09-05 22:46:48 +00:00
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device_t ntb_get_device(struct ntb_softc *ntb);
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2013-04-29 22:48:53 +00:00
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#endif /* _NTB_HW_H_ */
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