kernel/eka/drivers/medmmc/bgahsmmcptn.h
changeset 52 2d65c2f76d7b
child 80 597aaf25e343
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/kernel/eka/drivers/medmmc/bgahsmmcptn.h	Tue Feb 02 01:24:03 2010 +0200
@@ -0,0 +1,61 @@
+// Copyright (c) 2010 Nokia Corporation and/or its subsidiary(-ies).
+// All rights reserved.
+// This component and the accompanying materials are made available
+// under the terms of the License "Eclipse Public License v1.0"
+// which accompanies this distribution, and is available
+// at the URL "http://www.eclipse.org/legal/epl-v10.html".
+//
+// Initial Contributors:
+// Nokia Corporation - initial contribution.
+//
+// Contributors:
+//
+// Description:
+// Partition Management for Embedded MMC devices
+// 
+//
+
+#ifndef BGAHSMMCPTN_H
+#define BGAHSMMCPTN_H
+
+/* Partition attributes */
+#define BGAHSMMCPTN_ATTR_READ 0x00
+#define BGAHSMMCPTN_ATTR_WRITE 0x01
+
+/* Partition information ID and fixed size */
+#define BGAHSMMCPTN_PI_ID "BGAHSMMCPI:"
+#define BGAHSMMCPTN_PI_ID_SIZE 12 /* Fixed (4B aligned) */
+
+/* Partition information version */
+#define BGAHSMMCPTN_PI_VER_MAJOR	1
+#define BGAHSMMCPTN_PI_VER_MINOR	0
+
+#define BGAHSMMCPTN_LAST_DRIVE		7 /* MMC1_DRIVECOUNT - defined in variantmediadef.h */
+
+typedef struct
+{
+	TUint32 start_sector;			/* Partition start sector */
+	TUint32 size;					/* Partition size in sectors */
+	TUint32 attributes;				/* RO, RW attributes (bitmask) */
+	TUint8  partition_id;			/* Partition number */
+	TUint8  reserved1[3];			/* Reserved (padding for compiler alignment)*/
+	TUint32 partition_attributes;	/* Partition attributes (see e32const.h) */
+	TUint8  reserved2[8];			/* Reserved */
+/* = 28 bytes */
+} BGAHSMMCPTN_PART_STR;
+
+typedef struct
+{
+	TUint8 id[BGAHSMMCPTN_PI_ID_SIZE];	/* Partition information version */
+	TUint32 sector_size;			/* Used sector size */
+	TUint16 major_ver;				/* Major version number */
+	TUint16 minor_ver;				/* Minor version number */
+	TUint16 partition_amount;		/* The amount of partitions */
+	TUint8 reserved[42];			/* Reserved */
+/* = 64 bytes */
+	BGAHSMMCPTN_PART_STR partitions[BGAHSMMCPTN_LAST_DRIVE];
+} BGAHSMMCPTN_PI_STR;
+
+#define BGAHSMMCPTN_PI_STR_SIZE sizeof( BGAHSMMCPTN_PI_STR )
+
+#endif /*BGAHSMMCPTN_H*/