Changeset 38 for trunk/src/os2ahci/ata.h

Timestamp:

Nov 5, 2010, 7:13:11 PM (15 years ago)

Author:

markus

Message:

changes for drive geometry mapping

File:

• trunk/src/os2ahci/ata.h (modified) (2 diffs)

trunk/src/os2ahci/ata.h

@@ -21 +21 @@
 
 /* -------------------------- macros and constants ------------------------- */
+
+/******************************************************************************
+ * Macros to access geometry values in the ATA ID buffer
+ */
+#define ATA_CYLS(id_buf)            *((u32 *) (id_buf + ATA_ID_CYLS))
+#define ATA_HEADS(id_buf)           *((u32 *) (id_buf + ATA_ID_HEADS))
+#define ATA_SECTORS(id_buf)         *((u32 *) (id_buf + ATA_ID_SECTORS))
+#define ATA_CAPACITY(id_buf)        *((u32 *) (id_buf + ATA_ID_LBA_CAPACITY))
+
+#define ATA_CAPACITY48_L(id_buf)    *((u32 *) (id_buf + ATA_ID_LBA_CAPACITY_2))
+#define ATA_CAPACITY48_H(id_buf)    *((u32 *) (id_buf + ATA_ID_LBA_CAPACITY_2 + 2))
+
+#define CUR_CYLS(id_buf)            *((u32 *) (id_buf + ATA_ID_CUR_CYLS))
+#define CUR_HEADS(id_buf)           *((u32 *) (id_buf + ATA_ID_CUR_HEADS))
+#define CUR_SECTORS(id_buf)         *((u32 *) (id_buf + ATA_ID_CUR_SECTORS))
+#define CUR_CAPACITY(id_buf)        *((u32 *) (id_buf + ATA_ID_CUR_CAPACITY))
+
 
 /******************************************************************************
@@ -50 +67 @@
 #define ATA_ID_CUR_HEADS        55
 #define ATA_ID_CUR_SECTORS      56
+#define ATA_ID_CUR_CAPACITY     57
 #define ATA_ID_MULTSECT         59
 #define ATA_ID_LBA_CAPACITY     60