From 24bc53c351b1a1f24f8a7d52c3c45c6bf63c6f01 Mon Sep 17 00:00:00 2001
From: Marcus Overhagen <marcusoverhagen@gmail.com>
Date: Mon, 1 Sep 2008 21:25:44 +0000
Subject: [PATCH] ATA kernel tracing functions.

git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@27281 a95241bf-73f2-0310-859d-f6bbb57e9c96
---
 src/add-ons/kernel/bus_managers/ata/Jamfile   |  1 +
 .../kernel/bus_managers/ata/ata_tracing.cpp   | 61 +++++++++++++++++++
 .../kernel/bus_managers/ata/ata_tracing.h     | 32 ++++++++++
 3 files changed, 94 insertions(+)
 create mode 100644 src/add-ons/kernel/bus_managers/ata/ata_tracing.cpp
 create mode 100644 src/add-ons/kernel/bus_managers/ata/ata_tracing.h

diff --git a/src/add-ons/kernel/bus_managers/ata/Jamfile b/src/add-ons/kernel/bus_managers/ata/Jamfile
index ef2d8bff52..1b2bda095f 100644
--- a/src/add-ons/kernel/bus_managers/ata/Jamfile
+++ b/src/add-ons/kernel/bus_managers/ata/Jamfile
@@ -5,6 +5,7 @@ UsePrivateKernelHeaders ;
 
 KernelAddon ide :
 	ata.c
+	ata_tracing.cpp
 	ata_request.c
 	atapi.c
 	channels.c
diff --git a/src/add-ons/kernel/bus_managers/ata/ata_tracing.cpp b/src/add-ons/kernel/bus_managers/ata/ata_tracing.cpp
new file mode 100644
index 0000000000..11a4ddc2c7
--- /dev/null
+++ b/src/add-ons/kernel/bus_managers/ata/ata_tracing.cpp
@@ -0,0 +1,61 @@
+#include <tracing.h>
+#include <string.h>
+
+#include "ata_tracing.h"
+#include "ide_internal.h"
+
+#if ATA_TRACING
+
+class ATATraceEntry : public AbstractTraceEntry {
+	public:
+		ATATraceEntry(int bus, int device, const char *info)
+		: fBus(bus)
+		, fDevice(device)
+		{
+			strlcpy(fInfo, info, sizeof(fInfo));
+			Initialized();
+		}
+
+		void AddDump(TraceOutput& out, const char* name)
+		{
+			out.Print("ata");
+			out.Print(" - %s - ", name);
+			out.Print("bus %d", fBus);
+			out.Print("device %d", fDevice);			
+			out.Print("%s", fInfo);			
+		}
+
+		int fBus;
+		int fDevice;
+ 		char fInfo[200];
+};
+
+
+extern "C" void 
+__ata_trace_device(ide_device_info *dev, const char *fmt, ...)
+{
+	char info[200];
+	va_list ap; 
+
+	va_start(ap, fmt); 
+	vsnprintf(info, sizeof(info), fmt, ap); 
+	va_end(ap);
+
+	new(std::nothrow) ATATraceEntry(dev->bus->path_id, dev->is_device1, info);
+}
+
+
+extern "C" void 
+__ata_trace_bus_device(ide_bus_info *bus, int dev, const char *fmt, ...)
+{
+	char info[200];
+	va_list ap; 
+
+	va_start(ap, fmt); 
+	vsnprintf(info, sizeof(info), fmt, ap); 
+	va_end(ap);
+
+	new(std::nothrow) ATATraceEntry(bus->path_id, dev, info);
+}
+
+#endif
diff --git a/src/add-ons/kernel/bus_managers/ata/ata_tracing.h b/src/add-ons/kernel/bus_managers/ata/ata_tracing.h
new file mode 100644
index 0000000000..148baba189
--- /dev/null
+++ b/src/add-ons/kernel/bus_managers/ata/ata_tracing.h
@@ -0,0 +1,32 @@
+/*
+ * Copyright 2008, Marcus Overhagen. All rights reserved.
+ * Distributed under the terms of the MIT License.
+ */
+
+#include "tracing_config.h"
+
+#if ATA_TRACING
+
+	struct ide_bus_info;
+	struct ide_device_info;
+
+#ifdef __cplusplus
+	extern "C" {
+#endif
+
+	void __ata_trace_device(struct ide_device_info *dev, const char *fmt, ...);
+	void __ata_trace_bus_device(struct ide_bus_info *bus, int dev, const char *fmt, ...);
+
+#ifdef __cplusplus
+	}
+#endif
+
+	#define T(dev, args...)			__ata_trace_device(dev, args)
+	#define T2(bus, dev, args...)	__ata_trace_bus_device(bus, dev, args)
+
+#else
+	
+	#define T(x...)
+	#define T2(x...)
+
+#endif