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

• Lines: 62
• Date: Fri Feb 18 15:07:20 2000
• Orig file: v2.3.46/linux/include/asm-sparc/pci.h
• Orig date: Thu Feb 10 17:11:21 2000

diff -u --recursive --new-file v2.3.46/linux/include/asm-sparc/pci.h linux/include/asm-sparc/pci.h
@@ -40,7 +40,7 @@
  * Once the device is given the dma address, the device owns this memory
  * until either pci_unmap_single or pci_dma_sync_single is performed.
  */
-extern dma_addr_t pci_map_single(struct pci_dev *hwdev, void *ptr, size_t size);
+extern dma_addr_t pci_map_single(struct pci_dev *hwdev, void *ptr, size_t size, int direction);
 
 /* Unmap a single streaming mode DMA translation.  The dma_addr and size
  * must match what was provided for in a previous pci_map_single call.  All
@@ -49,7 +49,7 @@
  * After this call, reads by the cpu to the buffer are guarenteed to see
  * whatever the device wrote there.
  */
-extern void pci_unmap_single(struct pci_dev *hwdev, dma_addr_t dma_addr, size_t size);
+extern void pci_unmap_single(struct pci_dev *hwdev, dma_addr_t dma_addr, size_t size, int direction);
 
 /* Map a set of buffers described by scatterlist in streaming
  * mode for DMA.  This is the scather-gather version of the
@@ -66,13 +66,13 @@
  * Device ownership issues as mentioned above for pci_map_single are
  * the same here.
  */
-extern int pci_map_sg(struct pci_dev *hwdev, struct scatterlist *sg, int nents);
+extern int pci_map_sg(struct pci_dev *hwdev, struct scatterlist *sg, int nents, int direction);
 
 /* Unmap a set of streaming mode DMA translations.
  * Again, cpu read rules concerning calls here are the same as for
  * pci_unmap_single() above.
  */
-extern void pci_unmap_sg(struct pci_dev *hwdev, struct scatterlist *sg, int nhwents);
+extern void pci_unmap_sg(struct pci_dev *hwdev, struct scatterlist *sg, int nhwents, int direction);
 
 /* Make physical memory consistent for a single
  * streaming mode DMA translation after a transfer.
@@ -83,7 +83,7 @@
  * next point you give the PCI dma address back to the card, the
  * device again owns the buffer.
  */
-extern void pci_dma_sync_single(struct pci_dev *hwdev, dma_addr_t dma_handle, size_t size);
+extern void pci_dma_sync_single(struct pci_dev *hwdev, dma_addr_t dma_handle, size_t size, int direction);
 
 /* Make physical memory consistent for a set of streaming
  * mode DMA translations after a transfer.
@@ -91,7 +91,17 @@
  * The same as pci_dma_sync_single but for a scatter-gather list,
  * same rules and usage.
  */
-extern void pci_dma_sync_sg(struct pci_dev *hwdev, struct scatterlist *sg, int nelems);
+extern void pci_dma_sync_sg(struct pci_dev *hwdev, struct scatterlist *sg, int nelems, int direction);
+
+/* 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;
+}
 
 #endif /* __KERNEL__ */