gator: Version 5.15
Signed-off-by: Jon Medhurst <tixy@linaro.org>
diff --git a/drivers/gator/gator.h b/drivers/gator/gator.h
new file mode 100644
index 0000000..205cbcd
--- /dev/null
+++ b/drivers/gator/gator.h
@@ -0,0 +1,142 @@
+/**
+ * Copyright (C) ARM Limited 2010-2013. All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#ifndef GATOR_H_
+#define GATOR_H_
+
+#include <linux/version.h>
+#include <linux/fs.h>
+#include <linux/mm.h>
+#include <linux/list.h>
+
+#define GATOR_PERF_SUPPORT LINUX_VERSION_CODE >= KERNEL_VERSION(3, 0, 0)
+#define GATOR_PERF_PMU_SUPPORT GATOR_PERF_SUPPORT && defined(CONFIG_PERF_EVENTS) && (!(defined(__arm__) || defined(__aarch64__)) || defined(CONFIG_HW_PERF_EVENTS))
+#define GATOR_NO_PERF_SUPPORT (!(GATOR_PERF_SUPPORT))
+#define GATOR_CPU_FREQ_SUPPORT (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 38)) && defined(CONFIG_CPU_FREQ)
+#define GATOR_IKS_SUPPORT defined(CONFIG_BL_SWITCHER)
+
+#define GATOR_LIVE 1
+
+// cpu ids
+#define ARM1136 0xb36
+#define ARM1156 0xb56
+#define ARM1176 0xb76
+#define ARM11MPCORE 0xb02
+#define CORTEX_A5 0xc05
+#define CORTEX_A7 0xc07
+#define CORTEX_A8 0xc08
+#define CORTEX_A9 0xc09
+#define CORTEX_A15 0xc0f
+#define SCORPION 0x00f
+#define SCORPIONMP 0x02d
+#define KRAITSIM 0x049
+#define KRAIT 0x04d
+#define KRAIT_S4_PRO 0x06f
+#define CORTEX_A53 0xd03
+#define CORTEX_A57 0xd07
+#define AARCH64 0xd0f
+#define OTHER 0xfff
+
+#define MAXSIZE_CORE_NAME 32
+
+struct gator_cpu {
+ const int cpuid;
+ const char core_name[MAXSIZE_CORE_NAME];
+ const char * const pmu_name;
+ const char * const pmnc_name;
+ const int pmnc_counters;
+};
+
+const struct gator_cpu *gator_find_cpu_by_cpuid(const u32 cpuid);
+const struct gator_cpu *gator_find_cpu_by_pmu_name(const char *const name);
+
+/******************************************************************************
+ * Filesystem
+ ******************************************************************************/
+int gatorfs_create_file_perm(struct super_block *sb, struct dentry *root,
+ char const *name,
+ const struct file_operations *fops, int perm);
+
+struct dentry *gatorfs_mkdir(struct super_block *sb, struct dentry *root,
+ char const *name);
+
+int gatorfs_create_ulong(struct super_block *sb, struct dentry *root,
+ char const *name, unsigned long *val);
+
+int gatorfs_create_ro_ulong(struct super_block *sb, struct dentry *root,
+ char const *name, unsigned long *val);
+
+void gator_op_create_files(struct super_block *sb, struct dentry *root);
+
+/******************************************************************************
+ * Tracepoints
+ ******************************************************************************/
+#if LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 32)
+# error Kernels prior to 2.6.32 not supported
+#elif LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 35)
+# define GATOR_DEFINE_PROBE(probe_name, proto) \
+ static void probe_##probe_name(PARAMS(proto))
+# define GATOR_REGISTER_TRACE(probe_name) \
+ register_trace_##probe_name(probe_##probe_name)
+# define GATOR_UNREGISTER_TRACE(probe_name) \
+ unregister_trace_##probe_name(probe_##probe_name)
+#else
+# define GATOR_DEFINE_PROBE(probe_name, proto) \
+ static void probe_##probe_name(void *data, PARAMS(proto))
+# define GATOR_REGISTER_TRACE(probe_name) \
+ register_trace_##probe_name(probe_##probe_name, NULL)
+# define GATOR_UNREGISTER_TRACE(probe_name) \
+ unregister_trace_##probe_name(probe_##probe_name, NULL)
+#endif
+
+/******************************************************************************
+ * Events
+ ******************************************************************************/
+struct gator_interface {
+ void (*shutdown)(void); // Complementary function to init
+ int (*create_files)(struct super_block *sb, struct dentry *root);
+ int (*start)(void);
+ void (*stop)(void); // Complementary function to start
+ int (*online)(int **buffer, bool migrate);
+ int (*offline)(int **buffer, bool migrate);
+ void (*online_dispatch)(int cpu, bool migrate); // called in process context but may not be running on core 'cpu'
+ void (*offline_dispatch)(int cpu, bool migrate); // called in process context but may not be running on core 'cpu'
+ int (*read)(int **buffer);
+ int (*read64)(long long **buffer);
+ struct list_head list;
+};
+
+// gator_events_init is used as a search term in gator_events.sh
+#define gator_events_init(initfn) \
+ static inline int __gator_events_init_test(void) \
+ { return initfn(); }
+
+int gator_events_install(struct gator_interface *interface);
+int gator_events_get_key(void);
+u32 gator_cpuid(void);
+
+void gator_backtrace_handler(struct pt_regs *const regs);
+
+#if !GATOR_IKS_SUPPORT
+
+#define get_physical_cpu() smp_processor_id()
+#define lcpu_to_pcpu(lcpu) lcpu
+#define pcpu_to_lcpu(pcpu) pcpu
+
+#else
+
+#define get_physical_cpu() lcpu_to_pcpu(get_logical_cpu())
+int lcpu_to_pcpu(const int lcpu);
+int pcpu_to_lcpu(const int pcpu);
+
+#endif
+
+#define get_logical_cpu() smp_processor_id()
+#define on_primary_core() (get_logical_cpu() == 0)
+
+#endif // GATOR_H_