+++ /dev/null
-/*****************************************************************************\
- * ZPIOS is a heavily modified version of the original PIOS test code.
- * It is designed to have the test code running in the Linux kernel
- * against ZFS while still being flexibly controled from user space.
- *
- * Copyright (C) 2008-2010 Lawrence Livermore National Security, LLC.
- * Produced at Lawrence Livermore National Laboratory (cf, DISCLAIMER).
- * Written by Brian Behlendorf <behlendorf1@llnl.gov>.
- * LLNL-CODE-403049
- *
- * Original PIOS Test Code
- * Copyright (C) 2004 Cluster File Systems, Inc.
- * Written by Peter Braam <braam@clusterfs.com>
- * Atul Vidwansa <atul@clusterfs.com>
- * Milind Dumbare <milind@clusterfs.com>
- *
- * This file is part of ZFS on Linux.
- * For details, see <http://github.com/behlendorf/zfs/>.
- *
- * ZPIOS is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License as published by the
- * Free Software Foundation; either version 2 of the License, or (at your
- * option) any later version.
- *
- * ZPIOS is distributed in the hope that it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
- * for more details.
- *
- * You should have received a copy of the GNU General Public License along
- * with ZPIOS. If not, see <http://www.gnu.org/licenses/>.
-\*****************************************************************************/
-
-#ifndef _ZPIOS_CTL_H
-#define _ZPIOS_CTL_H
-
-/* Contains shared definitions which both the userspace
- * and kernelspace portions of zpios must agree on.
- */
-#ifndef _KERNEL
-#include <stdint.h>
-#endif
-
-#define ZPIOS_MAJOR 232 /* XXX - Arbitrary */
-#define ZPIOS_MINORS 1
-#define ZPIOS_NAME "zpios"
-#define ZPIOS_DEV "/dev/zpios"
-
-#define DMU_IO 0x01
-
-#define DMU_WRITE 0x0001
-#define DMU_READ 0x0002
-#define DMU_VERIFY 0x0004
-#define DMU_REMOVE 0x0008
-#define DMU_FPP 0x0010
-#define DMU_WRITE_ZC 0x0020 /* Incompatible w/DMU_VERIFY */
-#define DMU_READ_ZC 0x0040 /* Incompatible w/DMU_VERIFY */
-#define DMU_WRITE_NOWAIT 0x0080
-#define DMU_READ_NOPF 0x0100
-
-#define ZPIOS_NAME_SIZE 16
-#define ZPIOS_PATH_SIZE 128
-
-#define PHASE_PRE_RUN "pre-run"
-#define PHASE_PRE_CREATE "pre-create"
-#define PHASE_PRE_WRITE "pre-write"
-#define PHASE_PRE_READ "pre-read"
-#define PHASE_PRE_REMOVE "pre-remove"
-#define PHASE_POST_RUN "post-run"
-#define PHASE_POST_CREATE "post-create"
-#define PHASE_POST_WRITE "post-write"
-#define PHASE_POST_READ "post-read"
-#define PHASE_POST_REMOVE "post-remove"
-
-#define ZPIOS_CFG_MAGIC 0x87237190U
-typedef struct zpios_cfg {
- uint32_t cfg_magic; /* Unique magic */
- int32_t cfg_cmd; /* Config command */
- int32_t cfg_arg1; /* Config command arg 1 */
- int32_t cfg_rc1; /* Config response 1 */
-} zpios_cfg_t;
-
-typedef struct zpios_timespec {
- uint32_t ts_sec;
- uint32_t ts_nsec;
-} zpios_timespec_t;
-
-typedef struct zpios_time {
- zpios_timespec_t start;
- zpios_timespec_t stop;
- zpios_timespec_t delta;
-} zpios_time_t;
-
-typedef struct zpios_stats {
- zpios_time_t total_time;
- zpios_time_t cr_time;
- zpios_time_t rm_time;
- zpios_time_t wr_time;
- zpios_time_t rd_time;
- uint64_t wr_data;
- uint64_t wr_chunks;
- uint64_t rd_data;
- uint64_t rd_chunks;
-} zpios_stats_t;
-
-#define ZPIOS_CMD_MAGIC 0x49715385U
-typedef struct zpios_cmd {
- uint32_t cmd_magic; /* Unique magic */
- uint32_t cmd_id; /* Run ID */
- char cmd_pool[ZPIOS_NAME_SIZE]; /* Pool name */
- uint64_t cmd_chunk_size; /* Chunk size */
- uint32_t cmd_thread_count; /* Thread count */
- uint32_t cmd_region_count; /* Region count */
- uint64_t cmd_region_size; /* Region size */
- uint64_t cmd_offset; /* Region offset */
- uint32_t cmd_region_noise; /* Region noise */
- uint32_t cmd_chunk_noise; /* Chunk noise */
- uint32_t cmd_thread_delay; /* Thread delay */
- uint32_t cmd_flags; /* Test flags */
- char cmd_pre[ZPIOS_PATH_SIZE]; /* Pre-exec hook */
- char cmd_post[ZPIOS_PATH_SIZE]; /* Post-exec hook */
- char cmd_log[ZPIOS_PATH_SIZE]; /* Requested log dir */
- uint64_t cmd_data_size; /* Opaque data size */
- char cmd_data_str[0]; /* Opaque data region */
-} zpios_cmd_t;
-
-/* Valid ioctls */
-#define ZPIOS_CFG _IOWR('f', 101, zpios_cfg_t)
-#define ZPIOS_CMD _IOWR('f', 102, zpios_cmd_t)
-
-/* Valid configuration commands */
-#define ZPIOS_CFG_BUFFER_CLEAR 0x001 /* Clear text buffer */
-#define ZPIOS_CFG_BUFFER_SIZE 0x002 /* Resize text buffer */
-
-#ifndef NSEC_PER_SEC
-#define NSEC_PER_SEC 1000000000L
-#endif
-
-static inline
-void zpios_timespec_normalize(zpios_timespec_t *ts, uint32_t sec, uint32_t nsec)
-{
- while (nsec >= NSEC_PER_SEC) {
- nsec -= NSEC_PER_SEC;
- sec++;
- }
- while (nsec < 0) {
- nsec += NSEC_PER_SEC;
- sec--;
- }
- ts->ts_sec = sec;
- ts->ts_nsec = nsec;
-}
-
-static inline
-zpios_timespec_t zpios_timespec_add(zpios_timespec_t lhs, zpios_timespec_t rhs)
-{
- zpios_timespec_t ts_delta;
- zpios_timespec_normalize(&ts_delta, lhs.ts_sec + rhs.ts_sec,
- lhs.ts_nsec + rhs.ts_nsec);
- return ts_delta;
-}
-
-static inline
-zpios_timespec_t zpios_timespec_sub(zpios_timespec_t lhs, zpios_timespec_t rhs)
-{
- zpios_timespec_t ts_delta;
- zpios_timespec_normalize(&ts_delta, lhs.ts_sec - rhs.ts_sec,
- lhs.ts_nsec - rhs.ts_nsec);
- return ts_delta;
-}
-
-#ifdef _KERNEL
-
-static inline
-zpios_timespec_t zpios_timespec_now(void)
-{
- zpios_timespec_t zts_now;
- struct timespec ts_now;
-
- ts_now = current_kernel_time();
- zts_now.ts_sec = ts_now.tv_sec;
- zts_now.ts_nsec = ts_now.tv_nsec;
-
- return zts_now;
-}
-
-#else
-
-static inline
-double zpios_timespec_to_double(zpios_timespec_t ts)
-{
- return ((double)(ts.ts_sec) +
- ((double)(ts.ts_nsec) / (double)(NSEC_PER_SEC)));
-}
-
-#endif /* _KERNEL */
-
-#endif /* _ZPIOS_CTL_H */
git://git.camperquake.de / zfs.git / blobdiff