1 files changed, 121 insertions, 0 deletions
diff --git a/sys/dev/hwpmc/hwpmc_core.h b/sys/dev/hwpmc/hwpmc_core.h
new file mode 100644
index 0000000..0c4ee5b
--- /dev/null
+++ b/sys/dev/hwpmc/hwpmc_core.h
@@ -0,0 +1,121 @@
+/*-
+ * Copyright (c) 2008 Joseph Koshy
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ * $FreeBSD$
+ */
+
+#ifndef _DEV_HWPMC_CORE_H_
+#define	_DEV_HWPMC_CORE_H_ 1
+
+/*
+ * Fixed-function PMCs.
+ */
+struct pmc_md_iaf_op_pmcallocate {
+	uint16_t	pm_iaf_flags;	/* additional flags */
+};
+
+#define	IAF_OS		0x1
+#define	IAF_USR		0x2
+#define	IAF_ANY		0x4
+#define	IAF_PMI		0x8
+
+/*
+ * Programmable PMCs.
+ */
+struct pmc_md_iap_op_pmcallocate {
+	uint32_t	pm_iap_config;
+};
+
+#define	IAP_EVSEL(C)	((C) & 0xFF)
+#define	IAP_UMASK(C)	((C) & 0xFF00)
+#define	IAP_USR		(1 << 16)
+#define	IAP_OS		(1 << 17)
+#define	IAP_EDGE	(1 << 18)
+#define	IAP_INT		(1 << 20)
+#define	IAP_ANY		(1 << 21)
+#define	IAP_EN		(1 << 22)
+#define	IAP_INV		(1 << 23)
+#define	IAP_CMASK(C)	(((C) & 0xFF) << 24)
+
+#ifdef	_KERNEL
+
+/*
+ * Fixed-function counters.
+ */
+#define	IAF_MASK				0xF
+
+#define	IAF_CTR0				0x309
+#define	IAF_CTR1				0x30A
+#define	IAF_CTR2				0x30B
+
+#define	IAF_OFFSET				32
+#define	IAF_CTRL				0x38D
+
+/*
+ * Programmable counters.
+ */
+#define	IAP_PMC0				0x0C1
+#define	IAP_PMC1				0x0C2
+
+#define	IAP_EVSEL0				0x186
+#define	IAP_EVSEL1				0x187
+
+/*
+ * Simplified programming interface in Intel Performance Architecture
+ * v2 and later.
+ */
+#define	IA_GLOBAL_STATUS			0x38E
+#define	IA_GLOBAL_CTRL				0x38F
+#define	IA_GLOBAL_OVF_CTRL			0x390
+
+#define	IA_GLOBAL_STATUS_FLAG_CONDCHG		(1ULL << 63)
+#define	IA_GLOBAL_STATUS_FLAG_OVFBUF		(1ULL << 62)
+
+struct pmc_md_iaf_pmc {
+	uint64_t	pm_iaf_ctrl;
+};
+
+struct pmc_md_iap_pmc {
+	uint32_t	pm_iap_evsel;
+};
+
+/*
+ * Prototypes.
+ */
+
+int	pmc_core_initialize(struct pmc_mdep *_md, int _maxcpu);
+void	pmc_core_finalize(struct pmc_mdep *_md);
+
+void	pmc_core_mark_started(int _cpu, int _pmc);
+
+int	pmc_iaf_initialize(struct pmc_mdep *_md, int _maxcpu, int _npmc, int _width);
+void	pmc_iaf_finalize(struct pmc_mdep *_md);
+
+int	pmc_iap_initialize(struct pmc_mdep *_md, int _maxcpu, int _npmc, int _width,
+	    int _flags);
+void	pmc_iap_finalize(struct pmc_mdep *_md);
+
+#endif	/* _KERNEL */
+#endif	/* _DEV_HWPMC_CORE_H */