blob: e883619663476e7f0659e6ebafb3c5d1a6712870 [file] [log] [blame]
Greg Kroah-Hartmanf3e6f162007-10-12 14:07:23 -07001#ifndef __x86_PCI_H
2#define __x86_PCI_H
3
4#include <linux/mm.h> /* for struct page */
5#include <linux/types.h>
6#include <linux/slab.h>
7#include <linux/string.h>
8#include <asm/scatterlist.h>
9#include <asm/io.h>
10
11
12#ifdef __KERNEL__
13
14struct pci_sysdata {
15 int domain; /* PCI domain */
16 int node; /* NUMA node */
17#ifdef CONFIG_X86_64
18 void* iommu; /* IOMMU private data */
19#endif
20};
21
22/* scan a bus after allocating a pci_sysdata for it */
23extern struct pci_bus *pci_scan_bus_with_sysdata(int busno);
24
25static inline int pci_domain_nr(struct pci_bus *bus)
26{
27 struct pci_sysdata *sd = bus->sysdata;
28 return sd->domain;
29}
30
31static inline int pci_proc_domain(struct pci_bus *bus)
32{
33 return pci_domain_nr(bus);
34}
35
36
37/* Can be used to override the logic in pci_scan_bus for skipping
38 already-configured bus numbers - to be used for buggy BIOSes
39 or architectures with incomplete PCI setup by the loader */
40
41#ifdef CONFIG_PCI
42extern unsigned int pcibios_assign_all_busses(void);
43#else
44#define pcibios_assign_all_busses() 0
45#endif
46#define pcibios_scan_all_fns(a, b) 0
47
48extern unsigned long pci_mem_start;
49#define PCIBIOS_MIN_IO 0x1000
50#define PCIBIOS_MIN_MEM (pci_mem_start)
51
52#define PCIBIOS_MIN_CARDBUS_IO 0x4000
53
54void pcibios_config_init(void);
55struct pci_bus * pcibios_scan_root(int bus);
56
57void pcibios_set_master(struct pci_dev *dev);
58void pcibios_penalize_isa_irq(int irq, int active);
59struct irq_routing_table *pcibios_get_irq_routing_table(void);
60int pcibios_set_irq_routing(struct pci_dev *dev, int pin, int irq);
61
62
63#define HAVE_PCI_MMAP
64extern int pci_mmap_page_range(struct pci_dev *dev, struct vm_area_struct *vma,
65 enum pci_mmap_state mmap_state, int write_combine);
66
67
68#ifdef CONFIG_PCI
69static inline void pci_dma_burst_advice(struct pci_dev *pdev,
70 enum pci_dma_burst_strategy *strat,
71 unsigned long *strategy_parameter)
72{
73 *strat = PCI_DMA_BURST_INFINITY;
74 *strategy_parameter = ~0UL;
75}
76#endif
77
78
79#endif /* __KERNEL__ */
80
Thomas Gleixner96a388d2007-10-11 11:20:03 +020081#ifdef CONFIG_X86_32
82# include "pci_32.h"
83#else
84# include "pci_64.h"
85#endif
Greg Kroah-Hartmanf3e6f162007-10-12 14:07:23 -070086
87/* implement the pci_ DMA API in terms of the generic device dma_ one */
88#include <asm-generic/pci-dma-compat.h>
89
90/* generic pci stuff */
91#include <asm-generic/pci.h>
92
93
94
95#endif