1 files changed, 84 insertions, 0 deletions
diff --git a/arch/ia64/include/uapi/asm/perfmon_default_smpl.h b/arch/ia64/include/uapi/asm/perfmon_default_smpl.h
new file mode 100644
index 000000000..d3f36aff0
--- /dev/null
+++ b/arch/ia64/include/uapi/asm/perfmon_default_smpl.h
@@ -0,0 +1,84 @@
+/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
+/*
+ * Copyright (C) 2002-2003 Hewlett-Packard Co
+ *               Stephane Eranian <eranian@hpl.hp.com>
+ *
+ * This file implements the default sampling buffer format
+ * for Linux/ia64 perfmon subsystem.
+ */
+#ifndef __PERFMON_DEFAULT_SMPL_H__
+#define __PERFMON_DEFAULT_SMPL_H__ 1
+
+#define PFM_DEFAULT_SMPL_UUID { \
+		0x4d, 0x72, 0xbe, 0xc0, 0x06, 0x64, 0x41, 0x43, 0x82, 0xb4, 0xd3, 0xfd, 0x27, 0x24, 0x3c, 0x97}
+
+/*
+ * format specific parameters (passed at context creation)
+ */
+typedef struct {
+	unsigned long buf_size;		/* size of the buffer in bytes */
+	unsigned int  flags;		/* buffer specific flags */
+	unsigned int  res1;		/* for future use */
+	unsigned long reserved[2];	/* for future use */
+} pfm_default_smpl_arg_t;
+
+/*
+ * combined context+format specific structure. Can be passed
+ * to PFM_CONTEXT_CREATE
+ */
+typedef struct {
+	pfarg_context_t		ctx_arg;
+	pfm_default_smpl_arg_t	buf_arg;
+} pfm_default_smpl_ctx_arg_t;
+
+/*
+ * This header is at the beginning of the sampling buffer returned to the user.
+ * It is directly followed by the first record.
+ */
+typedef struct {
+	unsigned long	hdr_count;		/* how many valid entries */
+	unsigned long	hdr_cur_offs;		/* current offset from top of buffer */
+	unsigned long	hdr_reserved2;		/* reserved for future use */
+
+	unsigned long	hdr_overflows;		/* how many times the buffer overflowed */
+	unsigned long   hdr_buf_size;		/* how many bytes in the buffer */
+
+	unsigned int	hdr_version;		/* contains perfmon version (smpl format diffs) */
+	unsigned int	hdr_reserved1;		/* for future use */
+	unsigned long	hdr_reserved[10];	/* for future use */
+} pfm_default_smpl_hdr_t;
+
+/*
+ * Entry header in the sampling buffer.  The header is directly followed
+ * with the values of the PMD registers of interest saved in increasing 
+ * index order: PMD4, PMD5, and so on. How many PMDs are present depends 
+ * on how the session was programmed.
+ *
+ * In the case where multiple counters overflow at the same time, multiple
+ * entries are written consecutively.
+ *
+ * last_reset_value member indicates the initial value of the overflowed PMD. 
+ */
+typedef struct {
+        int             pid;                    /* thread id (for NPTL, this is gettid()) */
+        unsigned char   reserved1[3];           /* reserved for future use */
+        unsigned char   ovfl_pmd;               /* index of overflowed PMD */
+
+        unsigned long   last_reset_val;         /* initial value of overflowed PMD */
+        unsigned long   ip;                     /* where did the overflow interrupt happened  */
+        unsigned long   tstamp;                 /* ar.itc when entering perfmon intr. handler */
+
+        unsigned short  cpu;                    /* cpu on which the overflow occurred */
+        unsigned short  set;                    /* event set active when overflow occurred   */
+        int    		tgid;              	/* thread group id (for NPTL, this is getpid()) */
+} pfm_default_smpl_entry_t;
+
+#define PFM_DEFAULT_MAX_PMDS		64 /* how many pmds supported by data structures (sizeof(unsigned long) */
+#define PFM_DEFAULT_MAX_ENTRY_SIZE	(sizeof(pfm_default_smpl_entry_t)+(sizeof(unsigned long)*PFM_DEFAULT_MAX_PMDS))
+#define PFM_DEFAULT_SMPL_MIN_BUF_SIZE	(sizeof(pfm_default_smpl_hdr_t)+PFM_DEFAULT_MAX_ENTRY_SIZE)
+
+#define PFM_DEFAULT_SMPL_VERSION_MAJ	2U
+#define PFM_DEFAULT_SMPL_VERSION_MIN	0U
+#define PFM_DEFAULT_SMPL_VERSION	(((PFM_DEFAULT_SMPL_VERSION_MAJ&0xffff)<<16)|(PFM_DEFAULT_SMPL_VERSION_MIN & 0xffff))
+
+#endif /* __PERFMON_DEFAULT_SMPL_H__ */