1/*- 2 * Copyright (c) 2004-2006 Pawel Jakub Dawidek <pjd@FreeBSD.org> 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 14 * THIS SOFTWARE IS PROVIDED BY THE AUTHORS AND CONTRIBUTORS ``AS IS'' AND 15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS OR CONTRIBUTORS BE LIABLE 18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24 * SUCH DAMAGE. 25 * 26 * $FreeBSD: stable/11/sys/geom/nop/g_nop.h 329789 2018-02-22 02:12:47Z asomers $ 27 */ 28 29#ifndef _G_NOP_H_ 30#define _G_NOP_H_ 31 32#define G_NOP_CLASS_NAME "NOP" 33#define G_NOP_VERSION 4 34#define G_NOP_SUFFIX ".nop" 35/* 36 * Special flag to instruct gnop to passthrough the underlying provider's 37 * physical path 38 */ 39#define G_NOP_PHYSPATH_PASSTHROUGH "\255" 40 41#ifdef _KERNEL 42#define G_NOP_DEBUG(lvl, ...) do { \ 43 if (g_nop_debug >= (lvl)) { \ 44 printf("GEOM_NOP"); \ 45 if (g_nop_debug > 0) \ 46 printf("[%u]", lvl); \ 47 printf(": "); \ 48 printf(__VA_ARGS__); \ 49 printf("\n"); \ 50 } \ 51} while (0) 52#define G_NOP_LOGREQ(bp, ...) G_NOP_LOGREQLVL(2, bp, __VA_ARGS__) 53#define G_NOP_LOGREQLVL(lvl, bp, ...) do { \ 54 if (g_nop_debug >= (lvl)) { \ 55 printf("GEOM_NOP[%d]: ", (lvl)); \ 56 printf(__VA_ARGS__); \ 57 printf(" "); \ 58 g_print_bio(bp); \ 59 printf("\n"); \ 60 } \ 61} while (0) 62 63struct g_nop_softc { 64 int sc_error; 65 off_t sc_offset; 66 off_t sc_explicitsize; 67 off_t sc_stripesize; 68 off_t sc_stripeoffset; 69 u_int sc_rfailprob; 70 u_int sc_wfailprob; 71 uintmax_t sc_reads; 72 uintmax_t sc_writes; 73 uintmax_t sc_deletes; 74 uintmax_t sc_getattrs; 75 uintmax_t sc_flushes; 76 uintmax_t sc_cmd0s; 77 uintmax_t sc_cmd1s; 78 uintmax_t sc_cmd2s; 79 uintmax_t sc_readbytes; 80 uintmax_t sc_wrotebytes; 81 char* sc_physpath; 82 struct mtx sc_lock; 83}; 84#endif /* _KERNEL */ 85 86#endif /* _G_NOP_H_ */ 87