#ifndef _SPLAT_INTERNAL_H #define _SPLAT_INTERNAL_H #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include "splat-ctl.h" #define SPLAT_SUBSYSTEM_INIT(type) \ ({ splat_subsystem_t *_sub_; \ \ _sub_ = (splat_subsystem_t *)splat_##type##_init(); \ if (_sub_ == NULL) { \ printk(KERN_ERR "Error initializing: " #type "\n"); \ } else { \ spin_lock(&splat_module_lock); \ list_add_tail(&(_sub_->subsystem_list), \ &splat_module_list); \ spin_unlock(&splat_module_lock); \ } \ }) #define SPLAT_SUBSYSTEM_FINI(type) \ ({ splat_subsystem_t *_sub_, *_tmp_; \ int _id_, _flag_ = 0; \ \ _id_ = splat_##type##_id(); \ spin_lock(&splat_module_lock); \ list_for_each_entry_safe(_sub_, _tmp_, &splat_module_list, \ subsystem_list) { \ if (_sub_->desc.id == _id_) { \ list_del_init(&(_sub_->subsystem_list)); \ spin_unlock(&splat_module_lock); \ splat_##type##_fini(_sub_); \ spin_lock(&splat_module_lock); \ _flag_ = 1; \ } \ } \ spin_unlock(&splat_module_lock); \ \ if (!_flag_) \ printk(KERN_ERR "Error finalizing: " #type "\n"); \ }) #define SPLAT_TEST_INIT(sub, n, d, tid, func) \ ({ splat_test_t *_test_; \ \ _test_ = (splat_test_t *)kmalloc(sizeof(*_test_), GFP_KERNEL); \ if (_test_ == NULL) { \ printk(KERN_ERR "Error initializing: " n "/" #tid" \n");\ } else { \ memset(_test_, 0, sizeof(*_test_)); \ strncpy(_test_->desc.name, n, SPLAT_NAME_SIZE); \ strncpy(_test_->desc.desc, d, SPLAT_DESC_SIZE); \ _test_->desc.id = tid; \ _test_->test = func; \ INIT_LIST_HEAD(&(_test_->test_list)); \ spin_lock(&((sub)->test_lock)); \ list_add_tail(&(_test_->test_list),&((sub)->test_list));\ spin_unlock(&((sub)->test_lock)); \ } \ }) #define SPLAT_TEST_FINI(sub, tid) \ ({ splat_test_t *_test_, *_tmp_; \ int _flag_ = 0; \ \ spin_lock(&((sub)->test_lock)); \ list_for_each_entry_safe(_test_, _tmp_, \ &((sub)->test_list), test_list) { \ if (_test_->desc.id == tid) { \ list_del_init(&(_test_->test_list)); \ _flag_ = 1; \ } \ } \ spin_unlock(&((sub)->test_lock)); \ \ if (!_flag_) \ printk(KERN_ERR "Error finalizing: " #tid "\n"); \ }) typedef int (*splat_test_func_t)(struct file *, void *); typedef struct splat_test { struct list_head test_list; splat_user_t desc; splat_test_func_t test; } splat_test_t; typedef struct splat_subsystem { struct list_head subsystem_list;/* List had to chain entries */ splat_user_t desc; spinlock_t test_lock; struct list_head test_list; } splat_subsystem_t; #define SPLAT_INFO_BUFFER_SIZE 65536 #define SPLAT_INFO_BUFFER_REDZONE 256 typedef struct splat_info { spinlock_t info_lock; int info_size; char *info_buffer; char *info_head; /* Internal kernel use only */ } splat_info_t; #define sym2str(sym) (char *)(#sym) #define splat_print(file, format, args...) \ ({ splat_info_t *_info_ = (splat_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) > \ (SPLAT_INFO_BUFFER_SIZE - SPLAT_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 splat_vprint(file, test, format, args...) \ splat_print(file, "%*s: " format, SPLAT_NAME_SIZE, test, args) splat_subsystem_t * splat_condvar_init(void); splat_subsystem_t * splat_kmem_init(void); splat_subsystem_t * splat_mutex_init(void); splat_subsystem_t * splat_krng_init(void); splat_subsystem_t * splat_rwlock_init(void); splat_subsystem_t * splat_taskq_init(void); splat_subsystem_t * splat_thread_init(void); splat_subsystem_t * splat_time_init(void); void splat_condvar_fini(splat_subsystem_t *); void splat_kmem_fini(splat_subsystem_t *); void splat_mutex_fini(splat_subsystem_t *); void splat_krng_fini(splat_subsystem_t *); void splat_rwlock_fini(splat_subsystem_t *); void splat_taskq_fini(splat_subsystem_t *); void splat_thread_fini(splat_subsystem_t *); void splat_time_fini(splat_subsystem_t *); int splat_condvar_id(void); int splat_kmem_id(void); int splat_mutex_id(void); int splat_krng_id(void); int splat_rwlock_id(void); int splat_taskq_id(void); int splat_thread_id(void); int splat_time_id(void); #endif /* _SPLAT_INTERNAL_H */