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a08ee875 | 1 | /* |
302ef151 BB |
2 | * ZPIOS is a heavily modified version of the original PIOS test code. |
3 | * It is designed to have the test code running in the Linux kernel | |
4 | * against ZFS while still being flexibly controled from user space. | |
5 | * | |
6 | * Copyright (C) 2008-2010 Lawrence Livermore National Security, LLC. | |
7 | * Produced at Lawrence Livermore National Laboratory (cf, DISCLAIMER). | |
8 | * Written by Brian Behlendorf <behlendorf1@llnl.gov>. | |
9 | * LLNL-CODE-403049 | |
10 | * | |
11 | * Original PIOS Test Code | |
12 | * Copyright (C) 2004 Cluster File Systems, Inc. | |
13 | * Written by Peter Braam <braam@clusterfs.com> | |
14 | * Atul Vidwansa <atul@clusterfs.com> | |
15 | * Milind Dumbare <milind@clusterfs.com> | |
16 | * | |
17 | * This file is part of ZFS on Linux. | |
92db59ca | 18 | * For details, see <http://zfsonlinux.org/>. |
302ef151 BB |
19 | * |
20 | * ZPIOS is free software; you can redistribute it and/or modify it | |
21 | * under the terms of the GNU General Public License as published by the | |
22 | * Free Software Foundation; either version 2 of the License, or (at your | |
23 | * option) any later version. | |
24 | * | |
25 | * ZPIOS is distributed in the hope that it will be useful, but WITHOUT | |
26 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
27 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
28 | * for more details. | |
29 | * | |
30 | * You should have received a copy of the GNU General Public License along | |
31 | * with ZPIOS. If not, see <http://www.gnu.org/licenses/>. | |
a08ee875 | 32 | */ |
302ef151 BB |
33 | |
34 | #ifndef _ZPIOS_INTERNAL_H | |
a08ee875 | 35 | #define _ZPIOS_INTERNAL_H |
302ef151 BB |
36 | |
37 | #include "zpios-ctl.h" | |
38 | ||
a08ee875 | 39 | #define OBJ_SIZE 64 |
302ef151 BB |
40 | |
41 | struct run_args; | |
42 | ||
43 | typedef struct dmu_obj { | |
44 | objset_t *os; | |
45 | uint64_t obj; | |
46 | } dmu_obj_t; | |
47 | ||
48 | /* thread doing the IO data */ | |
49 | typedef struct thread_data { | |
50 | struct run_args *run_args; | |
51 | int thread_no; | |
52 | int rc; | |
53 | zpios_stats_t stats; | |
a08ee875 | 54 | kmutex_t lock; |
302ef151 BB |
55 | } thread_data_t; |
56 | ||
57 | /* region for IO data */ | |
58 | typedef struct zpios_region { | |
59 | __u64 wr_offset; | |
60 | __u64 rd_offset; | |
61 | __u64 init_offset; | |
62 | __u64 max_offset; | |
63 | dmu_obj_t obj; | |
64 | zpios_stats_t stats; | |
a08ee875 | 65 | kmutex_t lock; |
302ef151 BB |
66 | } zpios_region_t; |
67 | ||
68 | /* arguments for one run */ | |
69 | typedef struct run_args { | |
70 | /* Config args */ | |
71 | int id; | |
72 | char pool[ZPIOS_NAME_SIZE]; | |
73 | __u64 chunk_size; | |
74 | __u32 thread_count; | |
75 | __u32 region_count; | |
76 | __u64 region_size; | |
77 | __u64 offset; | |
78 | __u32 region_noise; | |
79 | __u32 chunk_noise; | |
80 | __u32 thread_delay; | |
81 | __u32 flags; | |
82 | char pre[ZPIOS_PATH_SIZE]; | |
83 | char post[ZPIOS_PATH_SIZE]; | |
84 | char log[ZPIOS_PATH_SIZE]; | |
85 | ||
86 | /* Control data */ | |
87 | objset_t *os; | |
a08ee875 | 88 | wait_queue_head_t waitq; |
302ef151 | 89 | volatile uint64_t threads_done; |
a08ee875 | 90 | kmutex_t lock_work; |
302ef151 BB |
91 | kmutex_t lock_ctl; |
92 | __u32 region_next; | |
93 | ||
94 | /* Results data */ | |
95 | struct file *file; | |
96 | zpios_stats_t stats; | |
97 | ||
98 | thread_data_t **threads; | |
99 | zpios_region_t regions[0]; /* Must be last element */ | |
100 | } run_args_t; | |
101 | ||
a08ee875 LG |
102 | #define ZPIOS_INFO_BUFFER_SIZE 65536 |
103 | #define ZPIOS_INFO_BUFFER_REDZONE 1024 | |
302ef151 BB |
104 | |
105 | typedef struct zpios_info { | |
a08ee875 LG |
106 | spinlock_t info_lock; |
107 | int info_size; | |
108 | char *info_buffer; | |
109 | char *info_head; /* Internal kernel use only */ | |
302ef151 BB |
110 | } zpios_info_t; |
111 | ||
302ef151 | 112 | #endif /* _ZPIOS_INTERNAL_H */ |