+#ifndef _LTTNG_ABI_OLD_H
+#define _LTTNG_ABI_OLD_H
+
+/*
+ * lttng-abi-old.h
+ *
+ * LTTng old ABI header (without support for compat 32/64 bits)
+ *
+ * Copyright (C) 2010-2012 Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; only
+ * version 2.1 of the License.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#include <linux/fs.h>
+#include "lttng-abi.h"
+
+/*
+ * LTTng DebugFS ABI structures.
+ */
+#define LTTNG_KERNEL_OLD_CHANNEL_PADDING LTTNG_KERNEL_SYM_NAME_LEN + 32
+struct lttng_kernel_old_channel {
+ int overwrite; /* 1: overwrite, 0: discard */
+ uint64_t subbuf_size; /* in bytes */
+ uint64_t num_subbuf;
+ unsigned int switch_timer_interval; /* usecs */
+ unsigned int read_timer_interval; /* usecs */
+ enum lttng_kernel_output output; /* splice, mmap */
+ char padding[LTTNG_KERNEL_OLD_CHANNEL_PADDING];
+};
+
+struct lttng_kernel_old_kretprobe {
+ uint64_t addr;
+
+ uint64_t offset;
+ char symbol_name[LTTNG_KERNEL_SYM_NAME_LEN];
+};
+
+/*
+ * Either addr is used, or symbol_name and offset.
+ */
+struct lttng_kernel_old_kprobe {
+ uint64_t addr;
+
+ uint64_t offset;
+ char symbol_name[LTTNG_KERNEL_SYM_NAME_LEN];
+};
+
+struct lttng_kernel_old_function_tracer {
+ char symbol_name[LTTNG_KERNEL_SYM_NAME_LEN];
+};
+
+/*
+ * For syscall tracing, name = '\0' means "enable all".
+ */
+#define LTTNG_KERNEL_OLD_EVENT_PADDING1 16
+#define LTTNG_KERNEL_OLD_EVENT_PADDING2 LTTNG_KERNEL_SYM_NAME_LEN + 32
+struct lttng_kernel_old_event {
+ char name[LTTNG_KERNEL_SYM_NAME_LEN]; /* event name */
+ enum lttng_kernel_instrumentation instrumentation;
+ char padding[LTTNG_KERNEL_OLD_EVENT_PADDING1];
+
+ /* Per instrumentation type configuration */
+ union {
+ struct lttng_kernel_old_kretprobe kretprobe;
+ struct lttng_kernel_old_kprobe kprobe;
+ struct lttng_kernel_old_function_tracer ftrace;
+ char padding[LTTNG_KERNEL_OLD_EVENT_PADDING2];
+ } u;
+};
+
+struct lttng_kernel_old_tracer_version {
+ uint32_t major;
+ uint32_t minor;
+ uint32_t patchlevel;
+};
+
+struct lttng_kernel_old_calibrate {
+ enum lttng_kernel_calibrate_type type; /* type (input) */
+};
+
+struct lttng_kernel_old_perf_counter_ctx {
+ uint32_t type;
+ uint64_t config;
+ char name[LTTNG_KERNEL_SYM_NAME_LEN];
+};
+
+#define LTTNG_KERNEL_OLD_CONTEXT_PADDING1 16
+#define LTTNG_KERNEL_OLD_CONTEXT_PADDING2 LTTNG_KERNEL_SYM_NAME_LEN + 32
+struct lttng_kernel_old_context {
+ enum lttng_kernel_context_type ctx;
+ char padding[LTTNG_KERNEL_OLD_CONTEXT_PADDING1];
+
+ union {
+ struct lttng_kernel_old_perf_counter_ctx perf_counter;
+ char padding[LTTNG_KERNEL_OLD_CONTEXT_PADDING2];
+ } u;
+};
+
+/* LTTng file descriptor ioctl */
+#define LTTNG_KERNEL_OLD_SESSION _IO(0xF6, 0x40)
+#define LTTNG_KERNEL_OLD_TRACER_VERSION \
+ _IOR(0xF6, 0x41, struct lttng_kernel_old_tracer_version)
+#define LTTNG_KERNEL_OLD_TRACEPOINT_LIST _IO(0xF6, 0x42)
+#define LTTNG_KERNEL_OLD_WAIT_QUIESCENT _IO(0xF6, 0x43)
+#define LTTNG_KERNEL_OLD_CALIBRATE \
+ _IOWR(0xF6, 0x44, struct lttng_kernel_old_calibrate)
+
+/* Session FD ioctl */
+#define LTTNG_KERNEL_OLD_METADATA \
+ _IOW(0xF6, 0x50, struct lttng_kernel_old_channel)
+#define LTTNG_KERNEL_OLD_CHANNEL \
+ _IOW(0xF6, 0x51, struct lttng_kernel_old_channel)
+#define LTTNG_KERNEL_OLD_SESSION_START _IO(0xF6, 0x52)
+#define LTTNG_KERNEL_OLD_SESSION_STOP _IO(0xF6, 0x53)
+
+/* Channel FD ioctl */
+#define LTTNG_KERNEL_OLD_STREAM _IO(0xF6, 0x60)
+#define LTTNG_KERNEL_OLD_EVENT \
+ _IOW(0xF6, 0x61, struct lttng_kernel_old_event)
+
+/* Event and Channel FD ioctl */
+#define LTTNG_KERNEL_OLD_CONTEXT \
+ _IOW(0xF6, 0x70, struct lttng_kernel_old_context)
+
+/* Event, Channel and Session ioctl */
+#define LTTNG_KERNEL_OLD_ENABLE _IO(0xF6, 0x80)
+#define LTTNG_KERNEL_OLD_DISABLE _IO(0xF6, 0x81)
+
+#endif /* _LTTNG_ABI_OLD_H */