NetBSD/sys/arch/riscv/htif/htif_var.h

54 lines
2.1 KiB
C

/* $NetBSD: htif_var.h,v 1.1 2015/03/28 16:13:56 matt Exp $ */
/*-
* Copyright (c) 2014 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by Matt Thomas of 3am Software Foundry.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. 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.
*
* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef _RISCV_HTIF_HTIF_VAR_H_
#define _RISCV_HTIF_HTIF_VAR_H_
#define HTIF_CMD_READ_MEM 0
#define HTIF_CMD_WRITE_MEM 1
#define HTIF_CMD_READ_CONTROL_REG 2
#define HTIF_CMD_WRITE_CONTROL_REG 3
#define HTIF_CMD_ACK 4
#define HTIF_CMD_NACK 5
struct htif_packet_header {
uint64_t hphp_hdr;
#define HTIF_PHDR_CMD __BITS(3,0)
#define HTIF_PHDR_DATA_DWORDS __BITS(15,4)
#define HTIF_PHDR_SEQNO __BITS(23,16)
#define HTIF_PHDR_ADDR __BITS(63,24)
};
struct htif_attach_args {
const char *haa_name;
};
#endif /* _RISCV_HTIF_HTIF_VAR_H_ */