94 lines
3.2 KiB
C
94 lines
3.2 KiB
C
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/*-
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* Copyright (c) 2015 Ruslan Bukin <br@bsdpad.com>
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* All rights reserved.
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*
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* Portions of this software were developed by SRI International and the
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* University of Cambridge Computer Laboratory under DARPA/AFRL contract
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* FA8750-10-C-0237 ("CTSRD"), as part of the DARPA CRASH research programme.
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*
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* Portions of this software were developed by the University of Cambridge
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* Computer Laboratory as part of the CTSRD Project, with support from the
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* UK Higher Education Innovation Fund (HEIF).
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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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#define HTIF_DEV_ID_SHIFT (56)
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#define HTIF_DEV_ID_MASK (0xfful << HTIF_DEV_ID_SHIFT)
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#define HTIF_CMD_SHIFT (48)
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#define HTIF_CMD_MASK (0xfful << HTIF_CMD_SHIFT)
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#define HTIF_DATA_SHIFT (0)
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#define HTIF_DATA_MASK (0xffffffff << HTIF_DATA_SHIFT)
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#define HTIF_CMD_READ (0x00ul)
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#define HTIF_CMD_WRITE (0x01ul)
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#define HTIF_CMD_READ_CONTROL_REG (0x02ul)
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#define HTIF_CMD_WRITE_CONTROL_REG (0x03ul)
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#define HTIF_CMD_IDENTIFY (0xfful)
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#define IDENTIFY_PADDR_SHIFT 8
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#define IDENTIFY_IDENT 0xff
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#define HTIF_NDEV (256)
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#define HTIF_ID_LEN (64)
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#define HTIF_ALIGN (64)
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#define HTIF_DEV_CMD(entry) ((entry & HTIF_CMD_MASK) >> HTIF_CMD_SHIFT)
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#define HTIF_DEV_ID(entry) ((entry & HTIF_DEV_ID_MASK) >> HTIF_DEV_ID_SHIFT)
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#define HTIF_DEV_DATA(entry) ((entry & HTIF_DATA_MASK) >> HTIF_DATA_SHIFT)
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/* bus softc */
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struct htif_softc {
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struct resource *res[1];
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void *ihl[1];
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device_t dev;
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uint64_t identify_id;
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uint64_t identify_done;
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};
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/* device private data */
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struct htif_dev_ivars {
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char *id;
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int index;
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device_t dev;
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struct htif_softc *sc;
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};
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uint64_t htif_command(uint64_t);
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int htif_setup_intr(int id, void *func, void *arg);
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int htif_read_ivar(device_t dev, device_t child, int which, uintptr_t *result);
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enum htif_device_ivars {
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HTIF_IVAR_INDEX,
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HTIF_IVAR_ID,
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};
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/*
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* Simplified accessors for HTIF devices
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*/
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#define HTIF_ACCESSOR(var, ivar, type) \
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__BUS_ACCESSOR(htif, var, HTIF, ivar, type)
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HTIF_ACCESSOR(index, INDEX, int);
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HTIF_ACCESSOR(id, ID, char *);
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