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authorbehlendo <behlendo@7e1ea52c-4ff2-0310-8f11-9dd32ca42a1c>2008-03-01 00:45:59 +0000
committerbehlendo <behlendo@7e1ea52c-4ff2-0310-8f11-9dd32ca42a1c>2008-03-01 00:45:59 +0000
commitf4b377415b4b53722addedc10801db24ad4e6f23 (patch)
treebe8f09aeabfeaf2361d8d84e975c49ec68d96483 /include/sys/kstat.h
parent09b414e880b0c2e4ae08d82354bbae034dafdd9e (diff)
Reorganize /include/ to add a /sys/, this way we don't need to
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
Diffstat (limited to 'include/sys/kstat.h')
-rw-r--r--include/sys/kstat.h138
1 files changed, 138 insertions, 0 deletions
diff --git a/include/sys/kstat.h b/include/sys/kstat.h
new file mode 100644
index 000000000..0b79a41c0
--- /dev/null
+++ b/include/sys/kstat.h
@@ -0,0 +1,138 @@
+#ifndef _SPL_KSTAT_H
+#define _SPL_KSTAT_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#include <linux/module.h>
+#include <sys/types.h>
+#include <sys/time.h>
+
+/* XXX - The minimum functionality here is stubbed out but nothing works. */
+
+#define KSTAT_STRLEN 31 /* 30 chars + NULL; must be 16 * n - 1 */
+
+#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 statistics */
+ /* ks_ndata == 1 */
+#define KSTAT_TYPE_IO 3 /* I/O statistics */
+ /* 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_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_INVALID 0x2
+
+
+typedef int kid_t; /* unique kstat id */
+
+typedef struct kstat_s {
+ /*
+ * Fields relevant to both kernel and user
+ */
+ hrtime_t ks_crtime; /* creation time (from gethrtime()) */
+ struct kstat_s *ks_next; /* kstat chain linkage */
+ kid_t ks_kid; /* unique kstat ID */
+ char ks_module[KSTAT_STRLEN]; /* provider module name */
+ uchar_t ks_resv; /* reserved, currently just padding */
+ int ks_instance; /* provider module's instance */
+ char ks_name[KSTAT_STRLEN]; /* kstat name */
+ uchar_t ks_type; /* kstat data type */
+ char ks_class[KSTAT_STRLEN]; /* kstat class */
+ 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; /* total size of kstat data section */
+ hrtime_t ks_snaptime; /* time of last data shapshot */
+ /*
+ * Fields relevant to kernel only
+ */
+ int (*ks_update)(struct kstat *, int); /* dynamic update */
+ void *ks_private; /* arbitrary provider-private data */
+ int (*ks_snapshot)(struct kstat *, void *, int);
+ void *ks_lock; /* protects this kstat's data */
+} kstat_t;
+
+typedef struct kstat_named_s {
+ char name[KSTAT_STRLEN]; /* name of counter */
+ uchar_t data_type; /* data type */
+ union {
+ char c[16]; /* enough for 128-bit ints */
+ int32_t i32;
+ uint32_t ui32;
+ struct {
+ union {
+ char *ptr; /* NULL-term string */
+ char __pad[8]; /* 64-bit padding */
+ } addr;
+ uint32_t len; /* # bytes for strlen + '\0' */
+ } str;
+/*
+ * The int64_t and uint64_t types are not valid for a maximally conformant
+ * 32-bit compilation environment (cc -Xc) using compilers prior to the
+ * introduction of C99 conforming compiler (reference ISO/IEC 9899:1990).
+ * In these cases, the visibility of i64 and ui64 is only permitted for
+ * 64-bit compilation environments or 32-bit non-maximally conformant
+ * C89 or C90 ANSI C compilation environments (cc -Xt and cc -Xa). In the
+ * C99 ANSI C compilation environment, the long long type is supported.
+ * The _INT64_TYPE is defined by the implementation (see sys/int_types.h).
+ */
+ int64_t i64;
+ uint64_t ui64;
+ long l;
+ ulong_t ul;
+
+ /* These structure members are obsolete */
+
+ longlong_t ll;
+ u_longlong_t ull;
+ float f;
+ double d;
+ } value; /* value of counter */
+} kstat_named_t;
+
+
+static __inline__ 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)
+{
+ return NULL;
+}
+
+static __inline__ void
+kstat_install(kstat_t *ksp)
+{
+ return;
+}
+
+static __inline__ void
+kstat_delete(kstat_t *ksp)
+{
+ return;
+}
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* _SPL_KSTAT_H */
+