OpenSolaris Launch

1 files changed, 224 insertions, 0 deletions

diff --git a/usr/src/uts/common/sys/cpc_impl.h b/usr/src/uts/common/sys/cpc_impl.h
new file mode 100644
index 0000000000..8869dea4a3
--- /dev/null
+++ b/usr/src/uts/common/sys/cpc_impl.h
@@ -0,0 +1,224 @@
+/*
+ * CDDL HEADER START
+ *
+ * The contents of this file are subject to the terms of the
+ * Common Development and Distribution License, Version 1.0 only
+ * (the "License").  You may not use this file except in compliance
+ * with the License.
+ *
+ * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
+ * or http://www.opensolaris.org/os/licensing.
+ * See the License for the specific language governing permissions
+ * and limitations under the License.
+ *
+ * When distributing Covered Code, include this CDDL HEADER in each
+ * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
+ * If applicable, add the following below this CDDL HEADER, with the
+ * fields enclosed by brackets "[]" replaced with your own identifying
+ * information: Portions Copyright [yyyy] [name of copyright owner]
+ *
+ * CDDL HEADER END
+ */
+/*
+ * Copyright 2004 Sun Microsystems, Inc.  All rights reserved.
+ * Use is subject to license terms.
+ */
+
+#ifndef	_SYS_CPC_IMPL_H
+#define	_SYS_CPC_IMPL_H
+
+#pragma ident	"%Z%%M%	%I%	%E% SMI"
+
+#include <sys/types.h>
+#include <sys/time.h>
+#include <sys/rwlock.h>
+
+#if defined(_KERNEL) && defined(_MULTI_DATAMODEL)
+#include <sys/types32.h>
+#endif
+
+#ifdef	__cplusplus
+extern "C" {
+#endif
+
+typedef struct {
+	char		*ca_name;
+	uint64_t	ca_val;
+} cpc_attr_t;
+
+/*
+ * Flag arguments to cpc_bind_event and cpc_ctx_bind_event
+ */
+#define	CPC_BIND_LWP_INHERIT	(0x1)
+#define	CPC_BIND_EMT_OVF	(0x2)
+
+#define	CPC_MAX_IMPL_NAME	512	/* Max len of PCBE's description str */
+#define	CPC_MAX_CPUREF		1024	/* Max len of PCBE's CPU ref string */
+
+#define	CPC_OVF_NOTIFY_EMT	0x1
+#define	CPC_COUNT_USER		0x2
+#define	CPC_COUNT_SYSTEM	0x4
+
+#define	KCPC_REQ_ALL_FLAGS	0x7
+#define	KCPC_REQ_VALID_FLAGS(flags) \
+		(((flags) | KCPC_REQ_ALL_FLAGS) == KCPC_REQ_ALL_FLAGS)
+
+/*
+ * CPC Capabilities
+ */
+#define	CPC_CAP_OVERFLOW_INTERRUPT	0x1
+#define	CPC_CAP_OVERFLOW_PRECISE	0x2
+
+/*
+ * The only valid per-set flag is CPC_BIND_LWP_INHERIT, which must remain in
+ * cpc_event.h for backwards compatibility.
+ */
+#define	CPC_SET_ALL_FLAGS	0x1
+#define	CPC_SET_VALID_FLAGS(flags) \
+		(((flags) | CPC_SET_ALL_FLAGS) == CPC_SET_ALL_FLAGS)
+
+/*
+ * These system call subcodes and ioctls allow the implementation of the
+ * libcpc library to store and retrieve performance counter data.  Subject
+ * to arbitrary change without notice at any time.  Do not invoke them
+ * directly!
+ */
+#define	CPC_BIND		0
+#define	CPC_SAMPLE		1
+#define	CPC_INVALIDATE		2
+#define	CPC_RELE		3
+#define	CPC_EVLIST_SIZE		4
+#define	CPC_LIST_EVENTS		5
+#define	CPC_ATTRLIST_SIZE	6
+#define	CPC_LIST_ATTRS		7
+#define	CPC_IMPL_NAME		8
+#define	CPC_CPUREF		9
+#define	CPC_USR_EVENTS		10
+#define	CPC_SYS_EVENTS		11
+#define	CPC_NPIC		12
+#define	CPC_CAPS		13
+#define	CPC_ENABLE		14
+#define	CPC_DISABLE		15
+#define	CPC_PRESET		16
+#define	CPC_RESTART		17
+
+#define	_CPCIO_IOC	((((('c'<<8)|'p')<<8)|'c')<<8)
+
+#define	CPCIO_BIND			(_CPCIO_IOC | 0x1)
+#define	CPCIO_SAMPLE			(_CPCIO_IOC | 0x2)
+#define	CPCIO_RELE			(_CPCIO_IOC | 0x3)
+
+/*
+ * Forward declarations.
+ */
+struct _kthread;
+struct _kcpc_set;
+
+#define	CPC_MAX_EVENT_LEN	512
+#define	CPC_MAX_ATTR_LEN	32
+
+typedef struct _kcpc_attr {
+	char		ka_name[CPC_MAX_ATTR_LEN];
+	uint64_t	ka_val;
+} kcpc_attr_t;
+
+typedef struct _kcpc_pic {
+	uint_t			kp_flags;
+	struct _kcpc_request	*kp_req;   /* request this PIC counts for */
+} kcpc_pic_t;
+
+typedef struct _kcpc_ctx kcpc_ctx_t;
+
+struct _kcpc_ctx {
+	struct _kcpc_set *kc_set;	/* linked list of all bound sets */
+	uint32_t	kc_flags;
+	kcpc_pic_t	*kc_pics;	/* pointer to array of per-pic data */
+	hrtime_t	kc_hrtime;	/* gethrtime() at last sample */
+	uint64_t	kc_vtick;	/* virtualized %tick */
+	uint64_t	kc_rawtick;	/* last snapshot of tick/tsc */
+	struct _kthread	*kc_thread;	/* thread this context is measuring */
+	int		kc_cpuid;	/* CPU this context is measuring */
+	kcpc_ctx_t	*kc_next;	/* Global list of all contexts */
+};
+
+typedef struct __cpc_args {
+	void *udata1;
+	void *udata2;
+	void *udata3;
+} __cpc_args_t;
+
+#ifdef _KERNEL
+
+#ifdef _MULTI_DATAMODEL
+typedef struct __cpc_args32 {
+	caddr32_t udata1;
+	caddr32_t udata2;
+	caddr32_t udata3;
+} __cpc_args32_t;
+#endif /* _MULTI_DATAMODEL */
+
+#define	KCPC_LOG2_HASH_BUCKETS	6	/* => 64 buckets for now */
+#define	CPC_HASH_BUCKETS		(1l << KCPC_LOG2_HASH_BUCKETS)
+#define	CPC_HASH_CTX(ctx)		((((long)(ctx)) >> 7) &		       \
+						(CPC_HASH_BUCKETS - 1))
+
+/*
+ * Context flags.
+ */
+#define	KCPC_CTX_FREEZE		0x1	/* => no sampling */
+#define	KCPC_CTX_SIGOVF		0x2	/* => send signal on overflow */
+#define	KCPC_CTX_NONPRIV	0x4	/* => non-priv access to counters */
+#define	KCPC_CTX_LWPINHERIT	0x8	/* => lwp_create inherits ctx */
+#define	KCPC_CTX_INVALID	0x100	/* => context stolen; discard */
+#define	KCPC_CTX_INVALID_STOPPED 0x200	/* => invalid ctx has been stopped */
+
+/*
+ * PIC flags.
+ */
+#define	KCPC_PIC_OVERFLOWED	0x1	/* pic overflowed & requested notify */
+
+#ifdef __sparc
+extern uint64_t ultra_gettick(void);
+#define	KCPC_GET_TICK ultra_gettick
+#else
+extern hrtime_t tsc_read(void);
+#define	KCPC_GET_TICK tsc_read
+#endif /* __sparc */
+
+#define	PCBE_NAMELEN 30 /* Enough room for "pcbe." plus full PCBE name spec */
+
+struct cpu;
+
+extern uint_t cpc_ncounters;
+extern kmutex_t	kcpc_ctx_llock[];	/* protects ctx_list */
+extern kcpc_ctx_t *kcpc_ctx_list[];	/* head of list */
+extern krwlock_t kcpc_cpuctx_lock;	/* lock for 'kcpc_cpuctx' below */
+extern int	kcpc_cpuctx;		/* number of cpu-specific contexts */
+
+extern void kcpc_invalidate_all(void);
+
+extern void kcpc_passivate(void);
+extern void kcpc_remote_stop(struct cpu *cp);
+extern int kcpc_pcbe_tryload(const char *, uint_t, uint_t, uint_t);
+
+#endif /* _KERNEL */
+
+/*
+ * Error subcodes.
+ */
+#define	CPC_INVALID_EVENT		1	/* Unknown event */
+#define	CPC_INVALID_PICNUM		2	/* Requested PIC out of range */
+#define	CPC_INVALID_ATTRIBUTE		3	/* Unknown attribute */
+#define	CPC_ATTRIBUTE_OUT_OF_RANGE	4	/* Attribute val out of range */
+#define	CPC_RESOURCE_UNAVAIL		5	/* Can't get needed resource */
+#define	CPC_PIC_NOT_CAPABLE		6	/* PIC can't count this event */
+#define	CPC_REQ_INVALID_FLAGS		7	/* Invalid flags in req(s) */
+#define	CPC_CONFLICTING_REQS		8	/* Reqs in the set conflict */
+#define	CPC_ATTR_REQUIRES_PRIVILEGE	9	/* Insufficient privs for atr */
+#define	CPC_PBIND_FAILED		10	/* Couldn't bind to processor */
+
+#ifdef	__cplusplus
+}
+#endif
+
+#endif	/* _SYS_CPC_IMPL_H */