+++ /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_INTERNAL_H
-#define _ZPIOS_INTERNAL_H
-
-#include "zpios-ctl.h"
-
-#define OBJ_SIZE 64
-
-struct run_args;
-
-typedef struct dmu_obj {
- objset_t *os;
- uint64_t obj;
-} dmu_obj_t;
-
-/* thread doing the IO data */
-typedef struct thread_data {
- struct run_args *run_args;
- int thread_no;
- int rc;
- zpios_stats_t stats;
- kmutex_t lock;
-} thread_data_t;
-
-/* region for IO data */
-typedef struct zpios_region {
- __u64 wr_offset;
- __u64 rd_offset;
- __u64 init_offset;
- __u64 max_offset;
- dmu_obj_t obj;
- zpios_stats_t stats;
- kmutex_t lock;
-} zpios_region_t;
-
-/* arguments for one run */
-typedef struct run_args {
- /* Config args */
- int id;
- char pool[ZPIOS_NAME_SIZE];
- __u64 chunk_size;
- __u32 thread_count;
- __u32 region_count;
- __u64 region_size;
- __u64 offset;
- __u32 region_noise;
- __u32 chunk_noise;
- __u32 thread_delay;
- __u32 flags;
- char pre[ZPIOS_PATH_SIZE];
- char post[ZPIOS_PATH_SIZE];
- char log[ZPIOS_PATH_SIZE];
-
- /* Control data */
- objset_t *os;
- wait_queue_head_t waitq;
- volatile uint64_t threads_done;
- kmutex_t lock_work;
- kmutex_t lock_ctl;
- __u32 region_next;
-
- /* Results data */
- struct file *file;
- zpios_stats_t stats;
-
- thread_data_t **threads;
- zpios_region_t regions[0]; /* Must be last element */
-} run_args_t;
-
-#define ZPIOS_INFO_BUFFER_SIZE 65536
-#define ZPIOS_INFO_BUFFER_REDZONE 1024
-
-typedef struct zpios_info {
- spinlock_t info_lock;
- int info_size;
- char *info_buffer;
- char *info_head; /* Internal kernel use only */
-} zpios_info_t;
-
-#define zpios_print(file, format, args...) \
-({ zpios_info_t *_info_ = (zpios_info_t *)file->private_data; \
- int _rc_; \
- \
- ASSERT(_info_); \
- ASSERT(_info_->info_buffer); \
- \
- spin_lock(&_info_->info_lock); \
- \
- /* Don't allow the kernel to start a write in the red zone */ \
- if ((int)(_info_->info_head - _info_->info_buffer) > \
- (_info_->info_size - ZPIOS_INFO_BUFFER_REDZONE)) { \
- _rc_ = -EOVERFLOW; \
- } else { \
- _rc_ = sprintf(_info_->info_head, format, args); \
- if (_rc_ >= 0) \
- _info_->info_head += _rc_; \
- } \
- \
- spin_unlock(&_info_->info_lock); \
- _rc_; \
-})
-
-#define zpios_vprint(file, test, format, args...) \
- zpios_print(file, "%*s: " format, ZPIOS_NAME_SIZE, test, args)
-
-#endif /* _ZPIOS_INTERNAL_H */
git://git.camperquake.de / zfs.git / blobdiff