8 #include <linux/mm.h> /* for struct page */
10 /* Can be used to override the logic in pci_scan_bus for skipping
11 already-configured bus numbers - to be used for buggy BIOSes
12 or architectures with incomplete PCI setup by the loader */
15 extern unsigned int pcibios_assign_all_busses(void);
17 #define pcibios_assign_all_busses() 0
19 #define pcibios_scan_all_fns(a, b) 0
21 extern unsigned long pci_mem_start
;
22 #define PCIBIOS_MIN_IO 0x1000
23 #define PCIBIOS_MIN_MEM (pci_mem_start)
25 #define PCIBIOS_MIN_CARDBUS_IO 0x4000
27 void pcibios_config_init(void);
28 struct pci_bus
* pcibios_scan_root(int bus
);
29 extern int (*pci_config_read
)(int seg
, int bus
, int dev
, int fn
, int reg
, int len
, u32
*value
);
30 extern int (*pci_config_write
)(int seg
, int bus
, int dev
, int fn
, int reg
, int len
, u32 value
);
32 void pcibios_set_master(struct pci_dev
*dev
);
33 void pcibios_penalize_isa_irq(int irq
, int active
);
34 struct irq_routing_table
*pcibios_get_irq_routing_table(void);
35 int pcibios_set_irq_routing(struct pci_dev
*dev
, int pin
, int irq
);
37 #include <linux/types.h>
38 #include <linux/slab.h>
39 #include <asm/scatterlist.h>
40 #include <linux/string.h>
43 extern void pci_iommu_alloc(void);
44 extern int iommu_setup(char *opt
);
46 /* The PCI address space does equal the physical memory
47 * address space. The networking and block device layers use
48 * this boolean for bounce buffer decisions
50 * On AMD64 it mostly equals, but we set it to zero if a hardware
51 * IOMMU (gart) of sotware IOMMU (swiotlb) is available.
53 #define PCI_DMA_BUS_IS_PHYS (dma_ops->is_phys)
55 #if defined(CONFIG_IOMMU) || defined(CONFIG_CALGARY_IOMMU)
57 #define DECLARE_PCI_UNMAP_ADDR(ADDR_NAME) \
59 #define DECLARE_PCI_UNMAP_LEN(LEN_NAME) \
61 #define pci_unmap_addr(PTR, ADDR_NAME) \
63 #define pci_unmap_addr_set(PTR, ADDR_NAME, VAL) \
64 (((PTR)->ADDR_NAME) = (VAL))
65 #define pci_unmap_len(PTR, LEN_NAME) \
67 #define pci_unmap_len_set(PTR, LEN_NAME, VAL) \
68 (((PTR)->LEN_NAME) = (VAL))
73 #define DECLARE_PCI_UNMAP_ADDR(ADDR_NAME)
74 #define DECLARE_PCI_UNMAP_LEN(LEN_NAME)
75 #define pci_unmap_addr(PTR, ADDR_NAME) (0)
76 #define pci_unmap_addr_set(PTR, ADDR_NAME, VAL) do { } while (0)
77 #define pci_unmap_len(PTR, LEN_NAME) (0)
78 #define pci_unmap_len_set(PTR, LEN_NAME, VAL) do { } while (0)
82 #include <asm-generic/pci-dma-compat.h>
85 static inline void pci_dma_burst_advice(struct pci_dev
*pdev
,
86 enum pci_dma_burst_strategy
*strat
,
87 unsigned long *strategy_parameter
)
89 *strat
= PCI_DMA_BURST_INFINITY
;
90 *strategy_parameter
= ~0UL;
95 extern int pci_mmap_page_range(struct pci_dev
*dev
, struct vm_area_struct
*vma
,
96 enum pci_mmap_state mmap_state
, int write_combine
);
98 #endif /* __KERNEL__ */
100 /* generic pci stuff */
102 #include <asm-generic/pci.h>
105 #endif /* __x8664_PCI_H */