patch-2.3.47 linux/include/asm-ia64/pci.h

• Lines: 83
• Date: Fri Feb 18 15:07:20 2000
• Orig file: v2.3.46/linux/include/asm-ia64/pci.h
• Orig date: Thu Feb 10 17:11:20 2000

diff -u --recursive --new-file v2.3.46/linux/include/asm-ia64/pci.h linux/include/asm-ia64/pci.h
@@ -55,8 +55,10 @@
  * until either pci_unmap_single or pci_dma_sync_single is performed.
  */
 extern inline dma_addr_t
-pci_map_single (struct pci_dev *hwdev, void *ptr, size_t size)
+pci_map_single (struct pci_dev *hwdev, void *ptr, size_t size, int direction)
 {
+	if (direction == PCI_DMA_NONE)
+		BUG();
 	return virt_to_bus(ptr);
 }
 
@@ -69,8 +71,10 @@
  * whatever the device wrote there.
  */
 extern inline void
-pci_unmap_single (struct pci_dev *hwdev, dma_addr_t dma_addr, size_t size)
+pci_unmap_single (struct pci_dev *hwdev, dma_addr_t dma_addr, size_t size, int direction)
 {
+	if (direction == PCI_DMA_NONE)
+		BUG();
 	/* Nothing to do */
 }
 
@@ -91,8 +95,10 @@
  * the same here.
  */
 extern inline int
-pci_map_sg (struct pci_dev *hwdev, struct scatterlist *sg, int nents)
+pci_map_sg (struct pci_dev *hwdev, struct scatterlist *sg, int nents, int direction)
 {
+	if (direction == PCI_DMA_NONE)
+		BUG();
 	return nents;
 }
 
@@ -102,8 +108,10 @@
  * pci_unmap_single() above.
  */
 extern inline void
-pci_unmap_sg (struct pci_dev *hwdev, struct scatterlist *sg, int nents)
+pci_unmap_sg (struct pci_dev *hwdev, struct scatterlist *sg, int nents, int direction)
 {
+	if (direction == PCI_DMA_NONE)
+		BUG();
 	/* Nothing to do */
 }
 
@@ -118,8 +126,10 @@
  * device again owns the buffer.
  */
 extern inline void
-pci_dma_sync_single (struct pci_dev *hwdev, dma_addr_t dma_handle, size_t size)
+pci_dma_sync_single (struct pci_dev *hwdev, dma_addr_t dma_handle, size_t size, int direction)
 {
+	if (direction == PCI_DMA_NONE)
+		BUG();
 	/* Nothing to do */
 }
 
@@ -131,9 +141,21 @@
  * same rules and usage.
  */
 extern inline void
-pci_dma_sync_sg (struct pci_dev *hwdev, struct scatterlist *sg, int nelems)
+pci_dma_sync_sg (struct pci_dev *hwdev, struct scatterlist *sg, int nelems, int direction)
 {
+	if (direction == PCI_DMA_NONE)
+		BUG();
 	/* Nothing to do */
+}
+
+/* Return whether the given PCI device DMA address mask can
+ * be supported properly.  For example, if your device can
+ * only drive the low 24-bits during PCI bus mastering, then
+ * you would pass 0x00ffffff as the mask to this function.
+ */
+extern inline int pci_dma_supported(struct pci_dev *hwdev, dma_addr_t mask)
+{
+	return 1;
 }
 
 /* These macros should be used after a pci_map_sg call has been done