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f4b377415b
muck with #includes in existing Solaris style source to get it to find the right stuff. git-svn-id: https://outreach.scidac.gov/svn/spl/trunk@18 7e1ea52c-4ff2-0310-8f11-9dd32ca42a1c
139 lines
4.9 KiB
C
139 lines
4.9 KiB
C
#ifndef _SPL_KSTAT_H
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#define _SPL_KSTAT_H
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#ifdef __cplusplus
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extern "C" {
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#endif
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#include <linux/module.h>
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#include <sys/types.h>
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#include <sys/time.h>
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/* XXX - The minimum functionality here is stubbed out but nothing works. */
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#define KSTAT_STRLEN 31 /* 30 chars + NULL; must be 16 * n - 1 */
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#define KSTAT_TYPE_RAW 0 /* can be anything */
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/* ks_ndata >= 1 */
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#define KSTAT_TYPE_NAMED 1 /* name/value pair */
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/* ks_ndata >= 1 */
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#define KSTAT_TYPE_INTR 2 /* interrupt statistics */
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/* ks_ndata == 1 */
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#define KSTAT_TYPE_IO 3 /* I/O statistics */
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/* ks_ndata == 1 */
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#define KSTAT_TYPE_TIMER 4 /* event timer */
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/* ks_ndata >= 1 */
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#define KSTAT_NUM_TYPES 5
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#define KSTAT_DATA_CHAR 0
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#define KSTAT_DATA_INT32 1
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#define KSTAT_DATA_UINT32 2
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#define KSTAT_DATA_INT64 3
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#define KSTAT_DATA_UINT64 4
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#define KSTAT_FLAG_VIRTUAL 0x01
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#define KSTAT_FLAG_VAR_SIZE 0x02
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#define KSTAT_FLAG_WRITABLE 0x04
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#define KSTAT_FLAG_PERSISTENT 0x08
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#define KSTAT_FLAG_DORMANT 0x10
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#define KSTAT_FLAG_INVALID 0x2
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typedef int kid_t; /* unique kstat id */
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typedef struct kstat_s {
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/*
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* Fields relevant to both kernel and user
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*/
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hrtime_t ks_crtime; /* creation time (from gethrtime()) */
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struct kstat_s *ks_next; /* kstat chain linkage */
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kid_t ks_kid; /* unique kstat ID */
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char ks_module[KSTAT_STRLEN]; /* provider module name */
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uchar_t ks_resv; /* reserved, currently just padding */
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int ks_instance; /* provider module's instance */
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char ks_name[KSTAT_STRLEN]; /* kstat name */
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uchar_t ks_type; /* kstat data type */
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char ks_class[KSTAT_STRLEN]; /* kstat class */
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uchar_t ks_flags; /* kstat flags */
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void *ks_data; /* kstat type-specific data */
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uint_t ks_ndata; /* # of type-specific data records */
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size_t ks_data_size; /* total size of kstat data section */
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hrtime_t ks_snaptime; /* time of last data shapshot */
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/*
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* Fields relevant to kernel only
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*/
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int (*ks_update)(struct kstat *, int); /* dynamic update */
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void *ks_private; /* arbitrary provider-private data */
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int (*ks_snapshot)(struct kstat *, void *, int);
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void *ks_lock; /* protects this kstat's data */
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} kstat_t;
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typedef struct kstat_named_s {
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char name[KSTAT_STRLEN]; /* name of counter */
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uchar_t data_type; /* data type */
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union {
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char c[16]; /* enough for 128-bit ints */
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int32_t i32;
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uint32_t ui32;
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struct {
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union {
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char *ptr; /* NULL-term string */
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char __pad[8]; /* 64-bit padding */
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} addr;
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uint32_t len; /* # bytes for strlen + '\0' */
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} str;
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/*
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* The int64_t and uint64_t types are not valid for a maximally conformant
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* 32-bit compilation environment (cc -Xc) using compilers prior to the
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* introduction of C99 conforming compiler (reference ISO/IEC 9899:1990).
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* In these cases, the visibility of i64 and ui64 is only permitted for
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* 64-bit compilation environments or 32-bit non-maximally conformant
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* C89 or C90 ANSI C compilation environments (cc -Xt and cc -Xa). In the
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* C99 ANSI C compilation environment, the long long type is supported.
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* The _INT64_TYPE is defined by the implementation (see sys/int_types.h).
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*/
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int64_t i64;
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uint64_t ui64;
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long l;
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ulong_t ul;
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/* These structure members are obsolete */
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longlong_t ll;
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u_longlong_t ull;
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float f;
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double d;
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} value; /* value of counter */
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} kstat_named_t;
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static __inline__ kstat_t *
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kstat_create(const char *ks_module, int ks_instance, const char *ks_name,
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const char *ks_class, uchar_t ks_type, uint_t ks_ndata,
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uchar_t ks_flags)
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{
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return NULL;
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}
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static __inline__ void
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kstat_install(kstat_t *ksp)
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{
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return;
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}
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static __inline__ void
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kstat_delete(kstat_t *ksp)
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{
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return;
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}
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#ifdef __cplusplus
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}
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#endif
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#endif /* _SPL_KSTAT_H */
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