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7c50328b | 1 | #ifndef _SPLAT_INTERNAL_H |
2 | #define _SPLAT_INTERNAL_H | |
3 | ||
4 | #include <linux/kernel.h> | |
5 | #include <linux/module.h> | |
6 | #include <linux/string.h> | |
7 | #include <linux/errno.h> | |
8 | #include <linux/slab.h> | |
9 | #include <linux/sched.h> | |
10 | #include <linux/elf.h> | |
11 | #include <linux/limits.h> | |
12 | #include <linux/version.h> | |
13 | #include <linux/vmalloc.h> | |
14 | #include <linux/module.h> | |
15 | #include <linux/device.h> | |
16 | #include <linux/list.h> | |
17 | #include <asm/ioctls.h> | |
18 | #include <asm/uaccess.h> | |
19 | #include <stdarg.h> | |
20 | ||
23f28c4f | 21 | #include <sys/callb.h> |
22 | #include <sys/condvar.h> | |
23 | #include <sys/cred.h> | |
24 | #include <sys/sysmacros.h> | |
25 | #include <sys/kmem.h> | |
26 | #include <sys/kstat.h> | |
27 | #include <sys/mutex.h> | |
28 | #include <sys/random.h> | |
29 | #include <sys/rwlock.h> | |
30 | #include <sys/taskq.h> | |
31 | #include <sys/thread.h> | |
32 | #include <sys/time.h> | |
33 | #include <sys/timer.h> | |
34 | #include <sys/types.h> | |
9490c148 | 35 | #include <sys/kobj.h> |
9f4c835a | 36 | #include <sys/atomic.h> |
23f28c4f | 37 | |
596e65b4 | 38 | #include "splat-ctl.h" |
7c50328b | 39 | |
40 | #define SPLAT_SUBSYSTEM_INIT(type) \ | |
8d0f1ee9 | 41 | ({ splat_subsystem_t *_sub_; \ |
7c50328b | 42 | \ |
8d0f1ee9 | 43 | _sub_ = (splat_subsystem_t *)splat_##type##_init(); \ |
7c50328b | 44 | if (_sub_ == NULL) { \ |
8d0f1ee9 | 45 | printk(KERN_ERR "splat: Error initializing: " #type "\n"); \ |
7c50328b | 46 | } else { \ |
8d0f1ee9 | 47 | spin_lock(&splat_module_lock); \ |
48 | list_add_tail(&(_sub_->subsystem_list), \ | |
7c50328b | 49 | &splat_module_list); \ |
8d0f1ee9 | 50 | spin_unlock(&splat_module_lock); \ |
7c50328b | 51 | } \ |
52 | }) | |
53 | ||
54 | #define SPLAT_SUBSYSTEM_FINI(type) \ | |
8d0f1ee9 | 55 | ({ splat_subsystem_t *_sub_, *_tmp_; \ |
7c50328b | 56 | int _id_, _flag_ = 0; \ |
57 | \ | |
8d0f1ee9 | 58 | _id_ = splat_##type##_id(); \ |
59 | spin_lock(&splat_module_lock); \ | |
7c50328b | 60 | list_for_each_entry_safe(_sub_, _tmp_, &splat_module_list, \ |
61 | subsystem_list) { \ | |
62 | if (_sub_->desc.id == _id_) { \ | |
63 | list_del_init(&(_sub_->subsystem_list)); \ | |
8d0f1ee9 | 64 | spin_unlock(&splat_module_lock); \ |
65 | splat_##type##_fini(_sub_); \ | |
7c50328b | 66 | spin_lock(&splat_module_lock); \ |
67 | _flag_ = 1; \ | |
68 | } \ | |
69 | } \ | |
8d0f1ee9 | 70 | spin_unlock(&splat_module_lock); \ |
7c50328b | 71 | \ |
72 | if (!_flag_) \ | |
8d0f1ee9 | 73 | printk(KERN_ERR "splat: Error finalizing: " #type "\n"); \ |
7c50328b | 74 | }) |
75 | ||
76 | #define SPLAT_TEST_INIT(sub, n, d, tid, func) \ | |
8d0f1ee9 | 77 | ({ splat_test_t *_test_; \ |
7c50328b | 78 | \ |
8d0f1ee9 | 79 | _test_ = (splat_test_t *)kmalloc(sizeof(*_test_), GFP_KERNEL); \ |
7c50328b | 80 | if (_test_ == NULL) { \ |
8d0f1ee9 | 81 | printk(KERN_ERR "splat: Error initializing: " n "/" #tid" \n");\ |
7c50328b | 82 | } else { \ |
83 | memset(_test_, 0, sizeof(*_test_)); \ | |
84 | strncpy(_test_->desc.name, n, SPLAT_NAME_SIZE); \ | |
85 | strncpy(_test_->desc.desc, d, SPLAT_DESC_SIZE); \ | |
86 | _test_->desc.id = tid; \ | |
87 | _test_->test = func; \ | |
88 | INIT_LIST_HEAD(&(_test_->test_list)); \ | |
89 | spin_lock(&((sub)->test_lock)); \ | |
90 | list_add_tail(&(_test_->test_list),&((sub)->test_list));\ | |
91 | spin_unlock(&((sub)->test_lock)); \ | |
92 | } \ | |
93 | }) | |
94 | ||
95 | #define SPLAT_TEST_FINI(sub, tid) \ | |
8d0f1ee9 | 96 | ({ splat_test_t *_test_, *_tmp_; \ |
7c50328b | 97 | int _flag_ = 0; \ |
98 | \ | |
99 | spin_lock(&((sub)->test_lock)); \ | |
100 | list_for_each_entry_safe(_test_, _tmp_, \ | |
101 | &((sub)->test_list), test_list) { \ | |
102 | if (_test_->desc.id == tid) { \ | |
103 | list_del_init(&(_test_->test_list)); \ | |
104 | _flag_ = 1; \ | |
105 | } \ | |
106 | } \ | |
107 | spin_unlock(&((sub)->test_lock)); \ | |
108 | \ | |
109 | if (!_flag_) \ | |
8d0f1ee9 | 110 | printk(KERN_ERR "splat: Error finalizing: " #tid "\n"); \ |
7c50328b | 111 | }) |
112 | ||
113 | typedef int (*splat_test_func_t)(struct file *, void *); | |
114 | ||
115 | typedef struct splat_test { | |
116 | struct list_head test_list; | |
117 | splat_user_t desc; | |
118 | splat_test_func_t test; | |
119 | } splat_test_t; | |
120 | ||
121 | typedef struct splat_subsystem { | |
122 | struct list_head subsystem_list;/* List had to chain entries */ | |
123 | splat_user_t desc; | |
124 | spinlock_t test_lock; | |
125 | struct list_head test_list; | |
126 | } splat_subsystem_t; | |
127 | ||
128 | #define SPLAT_INFO_BUFFER_SIZE 65536 | |
129 | #define SPLAT_INFO_BUFFER_REDZONE 256 | |
130 | ||
131 | typedef struct splat_info { | |
132 | spinlock_t info_lock; | |
133 | int info_size; | |
134 | char *info_buffer; | |
135 | char *info_head; /* Internal kernel use only */ | |
136 | } splat_info_t; | |
137 | ||
138 | #define sym2str(sym) (char *)(#sym) | |
139 | ||
140 | #define splat_print(file, format, args...) \ | |
d6a26c6a | 141 | ({ splat_info_t *_info_ = (splat_info_t *)file->private_data; \ |
7c50328b | 142 | int _rc_; \ |
143 | \ | |
144 | ASSERT(_info_); \ | |
145 | ASSERT(_info_->info_buffer); \ | |
146 | \ | |
147 | spin_lock(&_info_->info_lock); \ | |
148 | \ | |
149 | /* Don't allow the kernel to start a write in the red zone */ \ | |
150 | if ((int)(_info_->info_head - _info_->info_buffer) > \ | |
151 | (SPLAT_INFO_BUFFER_SIZE - SPLAT_INFO_BUFFER_REDZONE)) { \ | |
152 | _rc_ = -EOVERFLOW; \ | |
153 | } else { \ | |
154 | _rc_ = sprintf(_info_->info_head, format, args); \ | |
155 | if (_rc_ >= 0) \ | |
156 | _info_->info_head += _rc_; \ | |
157 | } \ | |
158 | \ | |
159 | spin_unlock(&_info_->info_lock); \ | |
160 | _rc_; \ | |
161 | }) | |
162 | ||
d6a26c6a | 163 | #define splat_vprint(file, test, format, args...) \ |
7c50328b | 164 | splat_print(file, "%*s: " format, SPLAT_NAME_SIZE, test, args) |
165 | ||
166 | splat_subsystem_t * splat_condvar_init(void); | |
167 | splat_subsystem_t * splat_kmem_init(void); | |
168 | splat_subsystem_t * splat_mutex_init(void); | |
169 | splat_subsystem_t * splat_krng_init(void); | |
170 | splat_subsystem_t * splat_rwlock_init(void); | |
171 | splat_subsystem_t * splat_taskq_init(void); | |
172 | splat_subsystem_t * splat_thread_init(void); | |
173 | splat_subsystem_t * splat_time_init(void); | |
4b171585 | 174 | splat_subsystem_t * splat_vnode_init(void); |
9490c148 | 175 | splat_subsystem_t * splat_kobj_init(void); |
9f4c835a | 176 | splat_subsystem_t * splat_atomic_init(void); |
7c50328b | 177 | |
178 | void splat_condvar_fini(splat_subsystem_t *); | |
179 | void splat_kmem_fini(splat_subsystem_t *); | |
180 | void splat_mutex_fini(splat_subsystem_t *); | |
181 | void splat_krng_fini(splat_subsystem_t *); | |
182 | void splat_rwlock_fini(splat_subsystem_t *); | |
183 | void splat_taskq_fini(splat_subsystem_t *); | |
184 | void splat_thread_fini(splat_subsystem_t *); | |
185 | void splat_time_fini(splat_subsystem_t *); | |
4b171585 | 186 | void splat_vnode_fini(splat_subsystem_t *); |
9490c148 | 187 | void splat_kobj_fini(splat_subsystem_t *); |
9f4c835a | 188 | void splat_atomic_fini(splat_subsystem_t *); |
7c50328b | 189 | |
190 | int splat_condvar_id(void); | |
191 | int splat_kmem_id(void); | |
192 | int splat_mutex_id(void); | |
193 | int splat_krng_id(void); | |
194 | int splat_rwlock_id(void); | |
195 | int splat_taskq_id(void); | |
196 | int splat_thread_id(void); | |
197 | int splat_time_id(void); | |
4b171585 | 198 | int splat_vnode_id(void); |
9490c148 | 199 | int splat_kobj_id(void); |
9f4c835a | 200 | int splat_atomic_id(void); |
7c50328b | 201 | |
202 | #endif /* _SPLAT_INTERNAL_H */ |