--- /dev/null
+/******************************************************************************
+ * xenoprof.h
+ *
+ * Interface for enabling system wide profiling based on hardware performance
+ * counters
+ *
+ * Copyright (C) 2005 Hewlett-Packard Co.
+ * Written by Aravind Menon & Jose Renato Santos
+ */
+
+#ifndef __XEN_PUBLIC_XENOPROF_H__
+#define __XEN_PUBLIC_XENOPROF_H__
+
+/*
+ * Commands to HYPERVISOR_xenoprof_op().
+ */
+#define XENOPROF_init 0
+#define XENOPROF_reset_active_list 1
+#define XENOPROF_reset_passive_list 2
+#define XENOPROF_set_active 3
+#define XENOPROF_set_passive 4
+#define XENOPROF_reserve_counters 5
+#define XENOPROF_counter 6
+#define XENOPROF_setup_events 7
+#define XENOPROF_enable_virq 8
+#define XENOPROF_start 9
+#define XENOPROF_stop 10
+#define XENOPROF_disable_virq 11
+#define XENOPROF_release_counters 12
+#define XENOPROF_shutdown 13
+
+#define MAX_OPROF_EVENTS 32
+#define MAX_OPROF_DOMAINS 25
+#define XENOPROF_CPU_TYPE_SIZE 64
+
+/* Xenoprof performance events (not Xen events) */
+struct event_log {
+ uint64_t eip;
+ uint8_t mode;
+ uint8_t event;
+};
+
+/* Xenoprof buffer shared between Xen and domain - 1 per VCPU */
+struct xenoprof_buf {
+ uint32_t event_head;
+ uint32_t event_tail;
+ uint32_t event_size;
+ uint32_t vcpu_id;
+ uint64_t xen_samples;
+ uint64_t kernel_samples;
+ uint64_t user_samples;
+ uint64_t lost_samples;
+ struct event_log event_log[1];
+};
+typedef struct xenoprof_buf xenoprof_buf_t;
+DEFINE_XEN_GUEST_HANDLE(xenoprof_buf_t);
+
+struct xenoprof_init {
+ int32_t max_samples;
+ int32_t num_events;
+ int32_t is_primary;
+ int32_t nbuf;
+ int32_t bufsize;
+ uint64_t buf_maddr;
+ char cpu_type[XENOPROF_CPU_TYPE_SIZE];
+};
+typedef struct xenoprof_init xenoprof_init_t;
+DEFINE_XEN_GUEST_HANDLE(xenoprof_init_t);
+
+struct xenoprof_counter {
+ uint32_t ind;
+ uint64_t count;
+ uint32_t enabled;
+ uint32_t event;
+ uint32_t hypervisor;
+ uint32_t kernel;
+ uint32_t user;
+ uint64_t unit_mask;
+};
+typedef struct xenoprof_counter xenoprof_counter_t;
+DEFINE_XEN_GUEST_HANDLE(xenoprof_counter_t);
+
+typedef struct xenoprof_passive {
+ uint16_t domain_id;
+ int32_t max_samples;
+ int32_t nbuf;
+ int32_t bufsize;
+ uint64_t buf_maddr;
+} xenoprof_passive_t;
+DEFINE_XEN_GUEST_HANDLE(xenoprof_passive_t);
+
+
+#endif /* __XEN_PUBLIC_XENOPROF_H__ */
+
+/*
+ * Local variables:
+ * mode: C
+ * c-set-style: "BSD"
+ * c-basic-offset: 4
+ * tab-width: 4
+ * indent-tabs-mode: nil
+ * End:
+ */