X-Git-Url: http://ftp.safe.ca/?a=blobdiff_plain;f=include%2Fasm-x86_64%2Fpci.h;h=bda94fd5176f43a70c431f0079aeb6715d30a78e;hb=0f40502e0b5300a37c4cfc7bf93f84c2702dbbe9;hp=c1961db88fac5f5fbcf779327f4c4b87584a3b9d;hpb=bb4a61b6eaee01707f24deeefc5d7136f25f75c5;p=safe%2Fjmp%2Flinux-2.6

diff --git a/include/asm-x86_64/pci.h b/include/asm-x86_64/pci.h
index c1961db..bda94fd 100644
--- a/include/asm-x86_64/pci.h
+++ b/include/asm-x86_64/pci.h
@@ -1,7 +1,6 @@
 #ifndef __x8664_PCI_H
 #define __x8664_PCI_H
 
-#include <linux/config.h>
 #include <asm/io.h>
 
 #ifdef __KERNEL__
@@ -19,8 +18,6 @@ extern unsigned int pcibios_assign_all_busses(void);
 #endif
 #define pcibios_scan_all_fns(a, b)	0
 
-extern int no_iommu, force_iommu;
-
 extern unsigned long pci_mem_start;
 #define PCIBIOS_MIN_IO		0x1000
 #define PCIBIOS_MIN_MEM		(pci_mem_start)
@@ -33,7 +30,7 @@ extern int (*pci_config_read)(int seg, int bus, int dev, int fn, int reg, int le
 extern int (*pci_config_write)(int seg, int bus, int dev, int fn, int reg, int len, u32 value);
 
 void pcibios_set_master(struct pci_dev *dev);
-void pcibios_penalize_isa_irq(int irq);
+void pcibios_penalize_isa_irq(int irq, int active);
 struct irq_routing_table *pcibios_get_irq_routing_table(void);
 int pcibios_set_irq_routing(struct pci_dev *dev, int pin, int irq);
 
@@ -43,25 +40,19 @@ int pcibios_set_irq_routing(struct pci_dev *dev, int pin, int irq);
 #include <linux/string.h>
 #include <asm/page.h>
 
+extern void pci_iommu_alloc(void);
 extern int iommu_setup(char *opt);
 
-#ifdef CONFIG_GART_IOMMU
 /* The PCI address space does equal the physical memory
  * address space.  The networking and block device layers use
  * this boolean for bounce buffer decisions
  *
- * On AMD64 it mostly equals, but we set it to zero to tell some subsystems
- * that an IOMMU is available.
+ * On AMD64 it mostly equals, but we set it to zero if a hardware
+ * IOMMU (gart) of sotware IOMMU (swiotlb) is available.
  */
-#define PCI_DMA_BUS_IS_PHYS	(no_iommu ? 1 : 0)
+#define PCI_DMA_BUS_IS_PHYS (dma_ops->is_phys)
 
-/*
- * x86-64 always supports DAC, but sometimes it is useful to force
- * devices through the IOMMU to get automatic sg list merging.
- * Optional right now.
- */
-extern int iommu_sac_force;
-#define pci_dac_dma_supported(pci_dev, mask)	(!iommu_sac_force)
+#if defined(CONFIG_IOMMU) || defined(CONFIG_CALGARY_IOMMU)
 
 #define DECLARE_PCI_UNMAP_ADDR(ADDR_NAME)	\
 	dma_addr_t ADDR_NAME;
@@ -79,9 +70,6 @@ extern int iommu_sac_force;
 #else
 /* No IOMMU */
 
-#define PCI_DMA_BUS_IS_PHYS	1
-#define pci_dac_dma_supported(pci_dev, mask)    1
-
 #define DECLARE_PCI_UNMAP_ADDR(ADDR_NAME)
 #define DECLARE_PCI_UNMAP_LEN(LEN_NAME)
 #define pci_unmap_addr(PTR, ADDR_NAME)		(0)
@@ -93,36 +81,6 @@ extern int iommu_sac_force;
 
 #include <asm-generic/pci-dma-compat.h>
 
-static inline dma64_addr_t
-pci_dac_page_to_dma(struct pci_dev *pdev, struct page *page, unsigned long offset, int direction)
-{
-	return ((dma64_addr_t) page_to_phys(page) +
-		(dma64_addr_t) offset);
-}
-
-static inline struct page *
-pci_dac_dma_to_page(struct pci_dev *pdev, dma64_addr_t dma_addr)
-{
-	return virt_to_page(__va(dma_addr)); 	
-}
-
-static inline unsigned long
-pci_dac_dma_to_offset(struct pci_dev *pdev, dma64_addr_t dma_addr)
-{
-	return (dma_addr & ~PAGE_MASK);
-}
-
-static inline void
-pci_dac_dma_sync_single_for_cpu(struct pci_dev *pdev, dma64_addr_t dma_addr, size_t len, int direction)
-{
-}
-
-static inline void
-pci_dac_dma_sync_single_for_device(struct pci_dev *pdev, dma64_addr_t dma_addr, size_t len, int direction)
-{
-	flush_write_buffers();
-}
-
 #ifdef CONFIG_PCI
 static inline void pci_dma_burst_advice(struct pci_dev *pdev,
 					enum pci_dma_burst_strategy *strat,
@@ -137,10 +95,6 @@ static inline void pci_dma_burst_advice(struct pci_dev *pdev,
 extern int pci_mmap_page_range(struct pci_dev *dev, struct vm_area_struct *vma,
 			       enum pci_mmap_state mmap_state, int write_combine);
 
-static inline void pcibios_add_platform_entries(struct pci_dev *dev)
-{
-}
-
 #endif /* __KERNEL__ */
 
 /* generic pci stuff */