shmifvar.h revision 1.5.10.3
1 1.5.10.2 rmind /* $NetBSD: shmifvar.h,v 1.5.10.3 2011/04/21 01:42:18 rmind Exp $ */ 2 1.5.10.2 rmind 3 1.5.10.2 rmind /*- 4 1.5.10.3 rmind * Copyright (c) 2009, 2010 Antti Kantee. All Rights Reserved. 5 1.5.10.2 rmind * 6 1.5.10.2 rmind * Development of this software was supported by The Nokia Foundation. 7 1.5.10.2 rmind * 8 1.5.10.2 rmind * Redistribution and use in source and binary forms, with or without 9 1.5.10.2 rmind * modification, are permitted provided that the following conditions 10 1.5.10.2 rmind * are met: 11 1.5.10.2 rmind * 1. Redistributions of source code must retain the above copyright 12 1.5.10.2 rmind * notice, this list of conditions and the following disclaimer. 13 1.5.10.2 rmind * 2. Redistributions in binary form must reproduce the above copyright 14 1.5.10.2 rmind * notice, this list of conditions and the following disclaimer in the 15 1.5.10.2 rmind * documentation and/or other materials provided with the distribution. 16 1.5.10.2 rmind * 17 1.5.10.2 rmind * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS 18 1.5.10.2 rmind * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 19 1.5.10.2 rmind * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 20 1.5.10.2 rmind * DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 21 1.5.10.2 rmind * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 22 1.5.10.2 rmind * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR 23 1.5.10.2 rmind * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 24 1.5.10.2 rmind * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 25 1.5.10.2 rmind * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 26 1.5.10.2 rmind * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 27 1.5.10.2 rmind * SUCH DAMAGE. 28 1.5.10.2 rmind */ 29 1.5.10.2 rmind 30 1.5.10.2 rmind #ifndef _RUMP_NET_SHMIFVAR_H_ 31 1.5.10.2 rmind #define _RUMP_NET_SHMIFVAR_H_ 32 1.5.10.2 rmind 33 1.5.10.2 rmind #define SHMIF_MAGIC 0xca11d054 34 1.5.10.2 rmind #define SHMIF_VERSION 2 35 1.5.10.2 rmind 36 1.5.10.2 rmind struct shmif_mem { 37 1.5.10.2 rmind uint32_t shm_magic; 38 1.5.10.2 rmind uint32_t shm_version; 39 1.5.10.2 rmind 40 1.5.10.2 rmind uint64_t shm_gen; 41 1.5.10.2 rmind 42 1.5.10.2 rmind uint32_t shm_first; 43 1.5.10.2 rmind uint32_t shm_last; 44 1.5.10.2 rmind 45 1.5.10.2 rmind uint32_t shm_lock; 46 1.5.10.2 rmind uint32_t shm_spare[1]; 47 1.5.10.2 rmind 48 1.5.10.2 rmind uint8_t shm_data[0]; 49 1.5.10.2 rmind }; 50 1.5.10.2 rmind 51 1.5.10.2 rmind #define IFMEM_DATA (offsetof(struct shmif_mem, shm_data)) 52 1.5.10.2 rmind #define IFMEM_WAKEUP (offsetof(struct shmif_mem, shm_version)) 53 1.5.10.2 rmind 54 1.5.10.2 rmind struct shmif_pkthdr { 55 1.5.10.2 rmind uint32_t sp_len; 56 1.5.10.2 rmind 57 1.5.10.2 rmind uint32_t sp_sec; 58 1.5.10.2 rmind uint32_t sp_usec; 59 1.5.10.2 rmind }; 60 1.5.10.2 rmind 61 1.5.10.2 rmind #define BUSMEM_SIZE (1024*1024) 62 1.5.10.2 rmind #define BUSMEM_DATASIZE (BUSMEM_SIZE - sizeof(struct shmif_mem)) 63 1.5.10.2 rmind 64 1.5.10.2 rmind #if 0 65 1.5.10.2 rmind #ifdef _KERNEL 66 1.5.10.2 rmind #define DPRINTF(x) rumpuser_dprintf x 67 1.5.10.2 rmind #else 68 1.5.10.2 rmind #define DPRINTF(x) printf x 69 1.5.10.2 rmind #endif 70 1.5.10.2 rmind #else 71 1.5.10.2 rmind #define DPRINTF(x) 72 1.5.10.2 rmind #endif 73 1.5.10.2 rmind 74 1.5.10.2 rmind uint32_t shmif_advance(uint32_t, uint32_t); 75 1.5.10.2 rmind uint32_t shmif_busread(struct shmif_mem *, 76 1.5.10.2 rmind void *, uint32_t, size_t, bool *); 77 1.5.10.2 rmind void shmif_advancefirst(struct shmif_mem *, uint32_t, size_t); 78 1.5.10.2 rmind uint32_t shmif_buswrite(struct shmif_mem *, uint32_t, 79 1.5.10.2 rmind void *, size_t, bool *); 80 1.5.10.2 rmind uint32_t shmif_nextpktoff(struct shmif_mem *, uint32_t); 81 1.5.10.2 rmind 82 1.5.10.2 rmind #endif 83
Indexes created Thu Sep 25 16:09:42 GMT 2025