whr | b973f2b | 2000-05-05 19:34:50 +0000 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (c) 2000 Silicon Graphics, Inc. All Rights Reserved. |
| 3 | * |
| 4 | * This program is free software; you can redistribute it and/or modify it |
| 5 | * under the terms of version 2 of the GNU General Public License as |
| 6 | * published by the Free Software Foundation. |
| 7 | * |
| 8 | * This program is distributed in the hope that it would be useful, but |
| 9 | * WITHOUT ANY WARRANTY; without even the implied warranty of |
| 10 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. |
| 11 | * |
| 12 | * Further, this software is distributed without any warranty that it is |
| 13 | * free of the rightful claim of any third person regarding infringement |
| 14 | * or the like. Any license provided herein, whether implied or |
| 15 | * otherwise, applies only to this software file. Patent licenses, if |
| 16 | * any, provided herein do not apply to combinations of this program with |
| 17 | * other software, or any other product whatsoever. |
| 18 | * |
| 19 | * You should have received a copy of the GNU General Public License along |
| 20 | * with this program; if not, write the Free Software Foundation, Inc., 59 |
| 21 | * Temple Place - Suite 330, Boston MA 02111-1307, USA. |
| 22 | * |
| 23 | * Contact information: Silicon Graphics, Inc., 1600 Amphitheatre Pkwy, |
| 24 | * Mountain View, CA 94043, or: |
| 25 | * |
| 26 | * http://www.sgi.com |
| 27 | * |
| 28 | * For further information regarding this notice, see: |
| 29 | * |
| 30 | * http://oss.sgi.com/projects/GenInfo/NoticeExplan/ |
| 31 | */ |
| 32 | |
| 33 | #define LIO_IO_SYNC 00001 /* read/write */ |
| 34 | #define LIO_IO_ASYNC 00002 /* reada/writea/aio_write/aio_read */ |
| 35 | #define LIO_IO_SLISTIO 00004 /* single stride sync listio */ |
| 36 | #define LIO_IO_ALISTIO 00010 /* single stride async listio */ |
| 37 | #define LIO_IO_SYNCV 00020 /* single-buffer readv/writev */ |
| 38 | #define LIO_IO_SYNCP 00040 /* pread/pwrite */ |
| 39 | |
| 40 | #ifdef sgi |
| 41 | #define LIO_IO_ATYPES 00077 /* all io types */ |
| 42 | #define LIO_IO_TYPES 00061 /* all io types, non-async */ |
| 43 | #endif /* sgi */ |
subrata_modak | e5e938f | 2009-04-13 13:58:20 +0000 | [diff] [blame] | 44 | #if defined(__linux__) && !defined(__UCLIBC__) |
subrata_modak | ea37be8 | 2008-12-11 13:17:49 +0000 | [diff] [blame] | 45 | #define LIO_IO_TYPES 00061 /* all io types */ |
| 46 | #define LIO_IO_ATYPES 00077 /* all io types */ |
| 47 | #endif |
subrata_modak | e5e938f | 2009-04-13 13:58:20 +0000 | [diff] [blame] | 48 | #if defined(__sun) || defined(__hpux) || defined(_AIX) || defined(__UCLIBC__) |
| 49 | #define LIO_IO_TYPES 00021 /* all io types except pread/pwrite */ |
whr | b973f2b | 2000-05-05 19:34:50 +0000 | [diff] [blame] | 50 | #endif /* linux */ |
| 51 | #ifdef CRAY |
| 52 | #define LIO_IO_TYPES 00017 /* all io types */ |
| 53 | #endif /* CRAY */ |
| 54 | |
subrata_modak | ea37be8 | 2008-12-11 13:17:49 +0000 | [diff] [blame] | 55 | #ifndef LIO_IO_ATYPES |
| 56 | #define LIO_IO_ATYPES LIO_IO_TYPES |
| 57 | #endif |
| 58 | |
whr | b973f2b | 2000-05-05 19:34:50 +0000 | [diff] [blame] | 59 | #define LIO_WAIT_NONE 00010000 /* return asap -- use with care */ |
| 60 | #define LIO_WAIT_ACTIVE 00020000 /* spin looking at iosw fields, or EINPROGRESS */ |
| 61 | #define LIO_WAIT_RECALL 00040000 /* call recall(2)/aio_suspend(3) */ |
| 62 | #define LIO_WAIT_SIGPAUSE 00100000 /* call pause */ |
| 63 | #define LIO_WAIT_SIGACTIVE 00200000 /* spin waiting for signal */ |
subrata_modak | e5e938f | 2009-04-13 13:58:20 +0000 | [diff] [blame] | 64 | #if defined(sgi) || defined(__linux__) || !defined(__UCLIBC__) |
whr | b973f2b | 2000-05-05 19:34:50 +0000 | [diff] [blame] | 65 | #define LIO_WAIT_CBSUSPEND 00400000 /* aio_suspend waiting for callback */ |
| 66 | #define LIO_WAIT_SIGSUSPEND 01000000 /* aio_suspend waiting for signal */ |
| 67 | #define LIO_WAIT_ATYPES 01760000 /* all async wait types, except nowait */ |
| 68 | #define LIO_WAIT_TYPES 00020000 /* all sync wait types (sorta) */ |
| 69 | #endif /* sgi */ |
subrata_modak | e5e938f | 2009-04-13 13:58:20 +0000 | [diff] [blame] | 70 | #if defined(__sun) || defined(__hpux) || defined(_AIX) || defined(__UCLIBC__) |
whr | b973f2b | 2000-05-05 19:34:50 +0000 | [diff] [blame] | 71 | #define LIO_WAIT_TYPES 00300000 /* all wait types, except nowait */ |
| 72 | #endif /* linux */ |
| 73 | #ifdef CRAY |
| 74 | #define LIO_WAIT_TYPES 00360000 /* all wait types, except nowait */ |
| 75 | #endif /* CRAY */ |
| 76 | |
| 77 | /* meta wait io */ |
| 78 | /* 00 000 0000 */ |
| 79 | |
subrata_modak | ea37be8 | 2008-12-11 13:17:49 +0000 | [diff] [blame] | 80 | #if defined(sgi) || defined(__linux__) |
whr | b973f2b | 2000-05-05 19:34:50 +0000 | [diff] [blame] | 81 | /* all callback wait types */ |
| 82 | #define LIO_WAIT_CBTYPES (LIO_WAIT_CBSUSPEND) |
| 83 | /* all signal wait types */ |
| 84 | #define LIO_WAIT_SIGTYPES (LIO_WAIT_SIGPAUSE|LIO_WAIT_SIGACTIVE|LIO_WAIT_SIGSUSPEND) |
| 85 | /* all aio_{read,write} or lio_listio */ |
| 86 | #define LIO_IO_ASYNC_TYPES (LIO_IO_ASYNC|LIO_IO_SLISTIO|LIO_IO_ALISTIO) |
| 87 | #endif /* sgi */ |
subrata_modak | ea37be8 | 2008-12-11 13:17:49 +0000 | [diff] [blame] | 88 | #if defined(__sun) || defined(__hpux) || defined(_AIX) |
whr | b973f2b | 2000-05-05 19:34:50 +0000 | [diff] [blame] | 89 | /* all signal wait types */ |
| 90 | #define LIO_WAIT_SIGTYPES (LIO_WAIT_SIGPAUSE) |
| 91 | #endif /* linux */ |
| 92 | #ifdef CRAY |
| 93 | /* all signal wait types */ |
| 94 | #define LIO_WAIT_SIGTYPES (LIO_WAIT_SIGPAUSE|LIO_WAIT_SIGACTIVE) |
| 95 | #endif /* CRAY */ |
| 96 | |
| 97 | /* |
| 98 | * This bit provides a way to randomly pick an io type and wait method. |
| 99 | * lio_read_buffer() and lio_write_buffer() functions will call |
| 100 | * lio_random_methods() with the given method. |
| 101 | */ |
| 102 | #define LIO_RANDOM 010000000 |
| 103 | |
| 104 | /* |
| 105 | * This bit provides a way for the programmer to use async i/o with |
| 106 | * signals and to use their own signal handler. By default, |
| 107 | * the signal will only be given to the system call if the wait |
| 108 | * method is LIO_WAIT_SIGPAUSE or LIO_WAIT_SIGACTIVE. |
| 109 | * Whenever these wait methods are used, libio signal handler |
| 110 | * will be used. |
| 111 | */ |
| 112 | #define LIO_USE_SIGNAL 020000000 |
| 113 | |
| 114 | /* |
| 115 | * prototypes/structures for functions in the libio.c module. See comments |
| 116 | * in that module, or man page entries for information on the individual |
| 117 | * functions. |
| 118 | */ |
| 119 | |
| 120 | int stride_bounds(int offset, int stride, int nstrides, |
| 121 | int bytes_per_stride, int *min_byte, int *max_byte); |
| 122 | |
| 123 | int lio_set_debug(int level); |
| 124 | int lio_parse_io_arg1(char *string); |
| 125 | void lio_help1(char *prefex); |
| 126 | int lio_parse_io_arg2(char *string, char **badtoken); |
| 127 | void lio_help2(char *prefex); |
| 128 | int lio_write_buffer(int fd, int method, char *buffer, int size, |
| 129 | int sig, char **errmsg, long wrd); |
| 130 | |
| 131 | int lio_read_buffer(int fd, int method, char *buffer, int size, |
| 132 | int sig, char **errmsg, long wrd); |
| 133 | int lio_random_methods(long mask); |
| 134 | |
| 135 | #if CRAY |
| 136 | #include <sys/iosw.h> |
| 137 | int lio_wait4asyncio(int method, int fd, struct iosw **statptr); |
| 138 | int lio_check_asyncio(char *io_type, int size, struct iosw *status); |
| 139 | #endif /* CRAY */ |
subrata_modak | ea37be8 | 2008-12-11 13:17:49 +0000 | [diff] [blame] | 140 | #if defined (sgi) |
whr | b973f2b | 2000-05-05 19:34:50 +0000 | [diff] [blame] | 141 | #include <aio.h> |
| 142 | int lio_wait4asyncio(int method, int fd, aiocb_t *aiocbp); |
| 143 | int lio_check_asyncio(char *io_type, int size, aiocb_t *aiocbp, int method); |
| 144 | #endif /* sgi */ |
subrata_modak | 26e07d5 | 2009-02-26 06:33:39 +0000 | [diff] [blame] | 145 | #if defined(__linux__) && !defined(__UCLIBC__) |
subrata_modak | ea37be8 | 2008-12-11 13:17:49 +0000 | [diff] [blame] | 146 | #include <aio.h> |
| 147 | int lio_wait4asyncio(int method, int fd, struct aiocb *aiocbp); |
| 148 | int lio_check_asyncio(char *io_type, int size, struct aiocb *aiocbp, int method); |
| 149 | #endif |
whr | b973f2b | 2000-05-05 19:34:50 +0000 | [diff] [blame] | 150 | |
| 151 | /* |
| 152 | * Define the structure that contains the infomation that is used |
| 153 | * by the parsing and help functions. |
| 154 | */ |
| 155 | struct lio_info_type { |
| 156 | char *token; |
| 157 | int bits; |
| 158 | char *desc; |
| 159 | }; |
| 160 | |
| 161 | |