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-rw-r--r--hw/block-common.h6
1 files changed, 6 insertions, 0 deletions
diff --git a/hw/block-common.h b/hw/block-common.h
index 2f651867d2..ec7810d7d4 100644
--- a/hw/block-common.h
+++ b/hw/block-common.h
@@ -15,6 +15,12 @@
 
 /* Hard disk geometry */
 
+#define BIOS_ATA_TRANSLATION_AUTO   0
+#define BIOS_ATA_TRANSLATION_NONE   1
+#define BIOS_ATA_TRANSLATION_LBA    2
+#define BIOS_ATA_TRANSLATION_LARGE  3
+#define BIOS_ATA_TRANSLATION_RECHS  4
+
 void hd_geometry_guess(BlockDriverState *bs,
                        uint32_t *pcyls, uint32_t *pheads, uint32_t *psecs,
                        int *ptrans);