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File: [cvs.NetBSD.org] / src / sys / rump / net / lib / libshmif / shmifvar.h (download)

Revision 1.10, Wed Sep 17 04:20:58 2014 UTC (9 years, 7 months ago) by ozaki-r
Branch: MAIN
CVS Tags: tls-maxphys-base-20171202, prg-localcount2-base3, prg-localcount2-base2, prg-localcount2-base1, prg-localcount2-base, prg-localcount2, phil-wifi-base, phil-wifi-20191119, phil-wifi-20190609, pgoyette-localcount-base, pgoyette-localcount-20170426, pgoyette-localcount-20170320, pgoyette-localcount-20170107, pgoyette-localcount-20161104, pgoyette-localcount-20160806, pgoyette-localcount-20160726, pgoyette-localcount, pgoyette-compat-merge-20190127, pgoyette-compat-base, pgoyette-compat-20190127, pgoyette-compat-20190118, pgoyette-compat-1226, pgoyette-compat-1126, pgoyette-compat-1020, pgoyette-compat-0930, pgoyette-compat-0906, pgoyette-compat-0728, pgoyette-compat-0625, pgoyette-compat-0521, pgoyette-compat-0502, pgoyette-compat-0422, pgoyette-compat-0415, pgoyette-compat-0407, pgoyette-compat-0330, pgoyette-compat-0322, pgoyette-compat-0315, pgoyette-compat, perseant-stdc-iso10646-base, perseant-stdc-iso10646, nick-nhusb-base-20170825, nick-nhusb-base-20170204, nick-nhusb-base-20161204, nick-nhusb-base-20161004, nick-nhusb-base-20160907, nick-nhusb-base-20160529, nick-nhusb-base-20160422, nick-nhusb-base-20160319, nick-nhusb-base-20151226, nick-nhusb-base-20150921, nick-nhusb-base-20150606, nick-nhusb-base-20150406, nick-nhusb-base, nick-nhusb, netbsd-9-base, netbsd-9-3-RELEASE, netbsd-9-2-RELEASE, netbsd-9-1-RELEASE, netbsd-9-0-RELEASE, netbsd-9-0-RC2, netbsd-9-0-RC1, netbsd-9, netbsd-8-base, netbsd-8-2-RELEASE, netbsd-8-1-RELEASE, netbsd-8-1-RC1, netbsd-8-0-RELEASE, netbsd-8-0-RC2, netbsd-8-0-RC1, netbsd-8, matt-nb8-mediatek-base, matt-nb8-mediatek, localcount-20160914, jdolecek-ncq-base, jdolecek-ncq, isaki-audio2-base, isaki-audio2, is-mlppp-base, is-mlppp, bouyer-socketcan-base1, bouyer-socketcan-base, bouyer-socketcan, ad-namecache-base3, ad-namecache-base2, ad-namecache-base1, ad-namecache-base, ad-namecache
Branch point for: phil-wifi
Changes since 1.9: +2 -1 lines 

Make shmif buildable when DRPINTF enabled

/*	$NetBSD: shmifvar.h,v 1.10 2014/09/17 04:20:58 ozaki-r Exp $	*/

/*-
 * Copyright (c) 2009, 2010 Antti Kantee.  All Rights Reserved.
 *
 * Development of this software was supported by The Nokia Foundation.
 *
 * 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 AUTHOR ``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 AUTHOR 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 _RUMP_NET_SHMIFVAR_H_
#define _RUMP_NET_SHMIFVAR_H_

#define SHMIF_MAGIC 0xca11d054
#define SHMIF_VERSION 3

struct shmif_mem {
	uint32_t shm_magic;
	uint32_t shm_version;

	uint64_t shm_gen;

	uint32_t shm_first;
	uint32_t shm_last;

	uint32_t shm_lock;
	uint32_t shm_spare[1];

	uint8_t shm_data[0];
};

#define IFMEM_DATA	(offsetof(struct shmif_mem, shm_data))
#define IFMEM_WAKEUP	(offsetof(struct shmif_mem, shm_version))

struct shmif_pkthdr {
	uint32_t sp_len;

	uint32_t sp_sec;
	uint32_t sp_usec;

	uint64_t sp_sender;
};

#define BUSMEM_SIZE (1024*1024)
#define BUSMEM_DATASIZE (BUSMEM_SIZE - sizeof(struct shmif_mem))

#if 0
#ifdef _KERNEL
#include <rump/rumpuser.h>
#define DPRINTF(x) rumpuser_dprintf x
#else
#include <stdio.h>
#define DPRINTF(x) printf x
#endif
#else
#define DPRINTF(x)
#endif

uint32_t	shmif_advance(uint32_t, uint32_t);
uint32_t	shmif_busread(struct shmif_mem *,
			      void *, uint32_t, size_t, bool *);
void		shmif_advancefirst(struct shmif_mem *, uint32_t, size_t);
uint32_t	shmif_buswrite(struct shmif_mem *, uint32_t,
			       void *, size_t, bool *);
uint32_t	shmif_nextpktoff(struct shmif_mem *, uint32_t);

#endif