*/
#ifndef _SPL_KSTAT_H
-#define _SPL_KSTAT_H
+#define _SPL_KSTAT_H
#include <linux/module.h>
#include <linux/proc_compat.h>
#include <sys/kmem.h>
#include <sys/mutex.h>
-#define KSTAT_STRLEN 255
-#define KSTAT_RAW_MAX (128*1024)
+#define KSTAT_STRLEN 255
+#define KSTAT_RAW_MAX (128*1024)
-/* For reference valid classes are:
+/*
+ * For reference valid classes are:
* disk, tape, net, controller, vm, kvm, hat, streams, kstat, misc
*/
-#define KSTAT_TYPE_RAW 0 /* can be anything; ks_ndata >= 1 */
-#define KSTAT_TYPE_NAMED 1 /* name/value pair; ks_ndata >= 1 */
-#define KSTAT_TYPE_INTR 2 /* interrupt stats; ks_ndata == 1 */
-#define KSTAT_TYPE_IO 3 /* I/O stats; ks_ndata == 1 */
-#define KSTAT_TYPE_TIMER 4 /* event timer; ks_ndata >= 1 */
-#define KSTAT_NUM_TYPES 5
-
-#define KSTAT_DATA_CHAR 0
-#define KSTAT_DATA_INT32 1
-#define KSTAT_DATA_UINT32 2
-#define KSTAT_DATA_INT64 3
-#define KSTAT_DATA_UINT64 4
-#define KSTAT_DATA_LONG 5
-#define KSTAT_DATA_ULONG 6
-#define KSTAT_DATA_STRING 7
-#define KSTAT_NUM_DATAS 8
-
-#define KSTAT_INTR_HARD 0
-#define KSTAT_INTR_SOFT 1
-#define KSTAT_INTR_WATCHDOG 2
-#define KSTAT_INTR_SPURIOUS 3
-#define KSTAT_INTR_MULTSVC 4
-#define KSTAT_NUM_INTRS 5
-
-#define KSTAT_FLAG_VIRTUAL 0x01
-#define KSTAT_FLAG_VAR_SIZE 0x02
-#define KSTAT_FLAG_WRITABLE 0x04
-#define KSTAT_FLAG_PERSISTENT 0x08
-#define KSTAT_FLAG_DORMANT 0x10
-#define KSTAT_FLAG_UNSUPPORTED (KSTAT_FLAG_VAR_SIZE | KSTAT_FLAG_WRITABLE | \
- KSTAT_FLAG_PERSISTENT | KSTAT_FLAG_DORMANT)
-
-
-#define KS_MAGIC 0x9d9d9d9d
+#define KSTAT_TYPE_RAW 0 /* can be anything; ks_ndata >= 1 */
+#define KSTAT_TYPE_NAMED 1 /* name/value pair; ks_ndata >= 1 */
+#define KSTAT_TYPE_INTR 2 /* interrupt stats; ks_ndata == 1 */
+#define KSTAT_TYPE_IO 3 /* I/O stats; ks_ndata == 1 */
+#define KSTAT_TYPE_TIMER 4 /* event timer; ks_ndata >= 1 */
+#define KSTAT_NUM_TYPES 5
+
+#define KSTAT_DATA_CHAR 0
+#define KSTAT_DATA_INT32 1
+#define KSTAT_DATA_UINT32 2
+#define KSTAT_DATA_INT64 3
+#define KSTAT_DATA_UINT64 4
+#define KSTAT_DATA_LONG 5
+#define KSTAT_DATA_ULONG 6
+#define KSTAT_DATA_STRING 7
+#define KSTAT_NUM_DATAS 8
+
+#define KSTAT_INTR_HARD 0
+#define KSTAT_INTR_SOFT 1
+#define KSTAT_INTR_WATCHDOG 2
+#define KSTAT_INTR_SPURIOUS 3
+#define KSTAT_INTR_MULTSVC 4
+#define KSTAT_NUM_INTRS 5
+
+#define KSTAT_FLAG_VIRTUAL 0x01
+#define KSTAT_FLAG_VAR_SIZE 0x02
+#define KSTAT_FLAG_WRITABLE 0x04
+#define KSTAT_FLAG_PERSISTENT 0x08
+#define KSTAT_FLAG_DORMANT 0x10
+#define KSTAT_FLAG_UNSUPPORTED \
+ (KSTAT_FLAG_VAR_SIZE | KSTAT_FLAG_WRITABLE | \
+ KSTAT_FLAG_PERSISTENT | KSTAT_FLAG_DORMANT)
+
+
+#define KS_MAGIC 0x9d9d9d9d
/* Dynamic updates */
-#define KSTAT_READ 0
-#define KSTAT_WRITE 1
+#define KSTAT_READ 0
+#define KSTAT_WRITE 1
struct kstat_s;
typedef struct kstat_s kstat_t;
-typedef int kid_t; /* unique kstat id */
-typedef int kstat_update_t(struct kstat_s *, int); /* dynamic update cb */
+typedef int kid_t; /* unique kstat id */
+typedef int kstat_update_t(struct kstat_s *, int); /* dynamic update cb */
typedef struct kstat_module {
- char ksm_name[KSTAT_STRLEN+1]; /* module name */
- struct list_head ksm_module_list; /* module linkage */
- struct list_head ksm_kstat_list; /* list of kstat entries */
- struct proc_dir_entry *ksm_proc; /* proc entry */
+ char ksm_name[KSTAT_STRLEN+1]; /* module name */
+ struct list_head ksm_module_list; /* module linkage */
+ struct list_head ksm_kstat_list; /* list of kstat entries */
+ struct proc_dir_entry *ksm_proc; /* proc entry */
} kstat_module_t;
typedef struct kstat_raw_ops {
} kstat_raw_ops_t;
struct kstat_s {
- int ks_magic; /* magic value */
- kid_t ks_kid; /* unique kstat ID */
- hrtime_t ks_crtime; /* creation time */
- hrtime_t ks_snaptime; /* last access time */
- char ks_module[KSTAT_STRLEN+1]; /* provider module name */
- int ks_instance; /* provider module instance */
- char ks_name[KSTAT_STRLEN+1]; /* kstat name */
- char ks_class[KSTAT_STRLEN+1]; /* kstat class */
- uchar_t ks_type; /* kstat data type */
- uchar_t ks_flags; /* kstat flags */
- void *ks_data; /* kstat type-specific data */
- uint_t ks_ndata; /* # of type-specific data records */
- size_t ks_data_size; /* size of kstat data section */
- struct proc_dir_entry *ks_proc; /* proc linkage */
- kstat_update_t *ks_update; /* dynamic updates */
- void *ks_private; /* private data */
- kmutex_t ks_private_lock; /* kstat private data lock */
- kmutex_t *ks_lock; /* kstat data lock */
- struct list_head ks_list; /* kstat linkage */
- kstat_module_t *ks_owner; /* kstat module linkage */
- kstat_raw_ops_t ks_raw_ops; /* ops table for raw type */
- char *ks_raw_buf; /* buf used for raw ops */
- size_t ks_raw_bufsize; /* size of raw ops buffer */
+ int ks_magic; /* magic value */
+ kid_t ks_kid; /* unique kstat ID */
+ hrtime_t ks_crtime; /* creation time */
+ hrtime_t ks_snaptime; /* last access time */
+ char ks_module[KSTAT_STRLEN+1]; /* provider module name */
+ int ks_instance; /* provider module instance */
+ char ks_name[KSTAT_STRLEN+1]; /* kstat name */
+ char ks_class[KSTAT_STRLEN+1]; /* kstat class */
+ uchar_t ks_type; /* kstat data type */
+ uchar_t ks_flags; /* kstat flags */
+ void *ks_data; /* kstat type-specific data */
+ uint_t ks_ndata; /* # of data records */
+ size_t ks_data_size; /* size of kstat data section */
+ struct proc_dir_entry *ks_proc; /* proc linkage */
+ kstat_update_t *ks_update; /* dynamic updates */
+ void *ks_private; /* private data */
+ kmutex_t ks_private_lock; /* kstat private data lock */
+ kmutex_t *ks_lock; /* kstat data lock */
+ struct list_head ks_list; /* kstat linkage */
+ kstat_module_t *ks_owner; /* kstat module linkage */
+ kstat_raw_ops_t ks_raw_ops; /* ops table for raw type */
+ char *ks_raw_buf; /* buf used for raw ops */
+ size_t ks_raw_bufsize; /* size of raw ops buffer */
};
typedef struct kstat_named_s {
- char name[KSTAT_STRLEN]; /* name of counter */
- uchar_t data_type; /* data type */
- union {
- char c[16]; /* 128-bit int */
- int32_t i32; /* 32-bit signed int */
- uint32_t ui32; /* 32-bit unsigned int */
- int64_t i64; /* 64-bit signed int */
- uint64_t ui64; /* 64-bit unsigned int */
- long l; /* native signed long */
- ulong_t ul; /* native unsigned long */
- struct {
- union {
- char *ptr; /* NULL-term string */
- char __pad[8]; /* 64-bit padding */
- } addr;
- uint32_t len; /* # bytes for strlen + '\0' */
- } string;
- } value;
+ char name[KSTAT_STRLEN]; /* name of counter */
+ uchar_t data_type; /* data type */
+ union {
+ char c[16]; /* 128-bit int */
+ int32_t i32; /* 32-bit signed int */
+ uint32_t ui32; /* 32-bit unsigned int */
+ int64_t i64; /* 64-bit signed int */
+ uint64_t ui64; /* 64-bit unsigned int */
+ long l; /* native signed long */
+ ulong_t ul; /* native unsigned long */
+ struct {
+ union {
+ char *ptr; /* NULL-term string */
+ char __pad[8]; /* 64-bit padding */
+ } addr;
+ uint32_t len; /* # bytes for strlen + '\0' */
+ } string;
+ } value;
} kstat_named_t;
-#define KSTAT_NAMED_STR_PTR(knptr) ((knptr)->value.string.addr.ptr)
-#define KSTAT_NAMED_STR_BUFLEN(knptr) ((knptr)->value.string.len)
+#define KSTAT_NAMED_STR_PTR(knptr) ((knptr)->value.string.addr.ptr)
+#define KSTAT_NAMED_STR_BUFLEN(knptr) ((knptr)->value.string.len)
typedef struct kstat_intr {
- uint_t intrs[KSTAT_NUM_INTRS];
+ uint_t intrs[KSTAT_NUM_INTRS];
} kstat_intr_t;
typedef struct kstat_io {
- u_longlong_t nread; /* number of bytes read */
- u_longlong_t nwritten; /* number of bytes written */
- uint_t reads; /* number of read operations */
- uint_t writes; /* number of write operations */
- hrtime_t wtime; /* cumulative wait (pre-service) time */
- hrtime_t wlentime; /* cumulative wait length*time product*/
- hrtime_t wlastupdate; /* last time wait queue changed */
- hrtime_t rtime; /* cumulative run (service) time */
- hrtime_t rlentime; /* cumulative run length*time product */
- hrtime_t rlastupdate; /* last time run queue changed */
- uint_t wcnt; /* count of elements in wait state */
- uint_t rcnt; /* count of elements in run state */
+ u_longlong_t nread; /* number of bytes read */
+ u_longlong_t nwritten; /* number of bytes written */
+ uint_t reads; /* number of read operations */
+ uint_t writes; /* number of write operations */
+ hrtime_t wtime; /* cumulative wait (pre-service) time */
+ hrtime_t wlentime; /* cumulative wait len*time product */
+ hrtime_t wlastupdate; /* last time wait queue changed */
+ hrtime_t rtime; /* cumulative run (service) time */
+ hrtime_t rlentime; /* cumulative run length*time product */
+ hrtime_t rlastupdate; /* last time run queue changed */
+ uint_t wcnt; /* count of elements in wait state */
+ uint_t rcnt; /* count of elements in run state */
} kstat_io_t;
typedef struct kstat_timer {
- char name[KSTAT_STRLEN+1]; /* event name */
- u_longlong_t num_events; /* number of events */
- hrtime_t elapsed_time; /* cumulative elapsed time */
- hrtime_t min_time; /* shortest event duration */
- hrtime_t max_time; /* longest event duration */
- hrtime_t start_time; /* previous event start time */
- hrtime_t stop_time; /* previous event stop time */
+ char name[KSTAT_STRLEN+1]; /* event name */
+ u_longlong_t num_events; /* number of events */
+ hrtime_t elapsed_time; /* cumulative elapsed time */
+ hrtime_t min_time; /* shortest event duration */
+ hrtime_t max_time; /* longest event duration */
+ hrtime_t start_time; /* previous event start time */
+ hrtime_t stop_time; /* previous event stop time */
} kstat_timer_t;
int spl_kstat_init(void);
void spl_kstat_fini(void);
extern void __kstat_set_raw_ops(kstat_t *ksp,
- int (*headers)(char *buf, size_t size),
- int (*data)(char *buf, size_t size, void *data),
- void* (*addr)(kstat_t *ksp, loff_t index));
+ int (*headers)(char *buf, size_t size),
+ int (*data)(char *buf, size_t size, void *data),
+ void* (*addr)(kstat_t *ksp, loff_t index));
+
extern kstat_t *__kstat_create(const char *ks_module, int ks_instance,
- const char *ks_name, const char *ks_class,
- uchar_t ks_type, uint_t ks_ndata,
- uchar_t ks_flags);
+ const char *ks_name, const char *ks_class, uchar_t ks_type,
+ uint_t ks_ndata, uchar_t ks_flags);
+
extern void __kstat_install(kstat_t *ksp);
extern void __kstat_delete(kstat_t *ksp);
extern void kstat_waitq_enter(kstat_io_t *);
extern void kstat_runq_enter(kstat_io_t *);
extern void kstat_runq_exit(kstat_io_t *);
-#define kstat_set_raw_ops(k,h,d,a) __kstat_set_raw_ops(k,h,d,a)
-#define kstat_create(m,i,n,c,t,s,f) __kstat_create(m,i,n,c,t,s,f)
-#define kstat_install(k) __kstat_install(k)
-#define kstat_delete(k) __kstat_delete(k)
+#define kstat_set_raw_ops(k, h, d, a) \
+ __kstat_set_raw_ops(k, h, d, a)
+#define kstat_create(m, i, n, c, t, s, f) \
+ __kstat_create(m, i, n, c, t, s, f)
+
+#define kstat_install(k) __kstat_install(k)
+#define kstat_delete(k) __kstat_delete(k)
#endif /* _SPL_KSTAT_H */
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