diff --git a/include/linux/ide.h b/include/linux/ide.h
index 14a87f6..9f72f6e 100644
--- a/include/linux/ide.h
+++ b/include/linux/ide.h
@@ -681,6 +681,8 @@
 	u8 straight8;	/* Alan's straight 8 check */
 	u8 bus_state;	/* power state of the IDE bus */
 
+	u8 host_flags;
+
 	u8 atapi_dma;	/* host supports atapi_dma */
 	u8 ultra_mask;
 	u8 mwdma_mask;
@@ -1245,7 +1247,12 @@
 enum {
 	/* Uses ISA control ports not PCI ones. */
 	IDE_HFLAG_ISA_PORTS		= (1 << 0),
+	/* single port device */
 	IDE_HFLAG_SINGLE		= (1 << 1),
+	/* don't use legacy PIO blacklist */
+	IDE_HFLAG_PIO_NO_BLACKLIST	= (1 << 2),
+	/* don't use conservative PIO "downgrade" */
+	IDE_HFLAG_PIO_NO_DOWNGRADE	= (1 << 3),
 };
 
 typedef struct ide_pci_device_s {