patch-2.4.10 linux/arch/alpha/kernel/pci_impl.h

• Lines: 28
• Date: Thu Sep 13 15:21:32 2001
• Orig file: v2.4.9/linux/arch/alpha/kernel/pci_impl.h
• Orig date: Fri May 25 09:54:50 2001

diff -u --recursive --new-file v2.4.9/linux/arch/alpha/kernel/pci_impl.h linux/arch/alpha/kernel/pci_impl.h
@@ -49,7 +49,7 @@
  * APECS and LCA have only 34 bits for physical addresses, thus limiting PCI
  * bus memory addresses for SPARSE access to be less than 128Mb.
  */
-#define APECS_AND_LCA_DEFAULT_MEM_BASE ((32+2)*1024*1024)
+#define APECS_AND_LCA_DEFAULT_MEM_BASE ((16+2)*1024*1024)
 
 /*
  * Because the MCPCIA core logic supports more bits for physical addresses,
@@ -136,6 +136,7 @@
 	spinlock_t lock;
 	struct pci_controller *hose;
 #define IOMMU_INVALID_PTE 0x2 /* 32:63 bits MBZ */
+#define IOMMU_RESERVED_PTE 0xface
 	unsigned long *ptes;
 	dma_addr_t dma_base;
 	unsigned int size;
@@ -161,3 +162,10 @@
 extern const char *const pci_io_names[];
 extern const char *const pci_mem_names[];
 extern const char pci_hae0_name[];
+
+extern int iommu_reserve(struct pci_iommu_arena *, long, long);
+extern int iommu_release(struct pci_iommu_arena *, long, long);
+extern int iommu_bind(struct pci_iommu_arena *, long, long, unsigned long *);
+extern int iommu_unbind(struct pci_iommu_arena *, long, long);
+
+