tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
1/*
2 * c 2001 PPC 64 Team, IBM Corp
3 *
4 * This program is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU General Public License
6 * as published by the Free Software Foundation; either version
7 * 2 of the License, or (at your option) any later version.
8 */
9#ifndef _ASM_POWERPC_PPC_PCI_H
10#define _ASM_POWERPC_PPC_PCI_H
11#ifdef __KERNEL__
12
13#ifdef CONFIG_PCI
14
15#include <linux/pci.h>
16#include <asm/pci-bridge.h>
17
18extern unsigned long isa_io_base;
19
20extern void pci_setup_phb_io(struct pci_controller *hose, int primary);
21extern void pci_setup_phb_io_dynamic(struct pci_controller *hose, int primary);
22
23
24extern struct list_head hose_list;
25
26extern void find_and_init_phbs(void);
27
28extern struct pci_dev *isa_bridge_pcidev; /* may be NULL if no ISA bus */
29
30/** Bus Unit ID macros; get low and hi 32-bits of the 64-bit BUID */
31#define BUID_HI(buid) upper_32_bits(buid)
32#define BUID_LO(buid) lower_32_bits(buid)
33
34/* PCI device_node operations */
35struct device_node;
36typedef void *(*traverse_func)(struct device_node *me, void *data);
37void *traverse_pci_devices(struct device_node *start, traverse_func pre,
38 void *data);
39
40extern void pci_devs_phb_init(void);
41extern void pci_devs_phb_init_dynamic(struct pci_controller *phb);
42
43/* From rtas_pci.h */
44extern void init_pci_config_tokens (void);
45extern unsigned long get_phb_buid (struct device_node *);
46extern int rtas_setup_phb(struct pci_controller *phb);
47
48#ifdef CONFIG_EEH
49
50void pci_addr_cache_build(void);
51void pci_addr_cache_insert_device(struct pci_dev *dev);
52void pci_addr_cache_remove_device(struct pci_dev *dev);
53struct pci_dev *pci_addr_cache_get_device(unsigned long addr);
54void eeh_slot_error_detail(struct eeh_dev *edev, int severity);
55int eeh_pci_enable(struct eeh_dev *edev, int function);
56int eeh_reset_pe(struct eeh_dev *);
57void eeh_restore_bars(struct eeh_dev *);
58int rtas_write_config(struct pci_dn *, int where, int size, u32 val);
59int rtas_read_config(struct pci_dn *, int where, int size, u32 *val);
60void eeh_mark_slot(struct device_node *dn, int mode_flag);
61void eeh_clear_slot(struct device_node *dn, int mode_flag);
62struct device_node *eeh_find_device_pe(struct device_node *dn);
63
64void eeh_sysfs_add_device(struct pci_dev *pdev);
65void eeh_sysfs_remove_device(struct pci_dev *pdev);
66
67static inline const char *eeh_pci_name(struct pci_dev *pdev)
68{
69 return pdev ? pci_name(pdev) : "<null>";
70}
71
72static inline const char *eeh_driver_name(struct pci_dev *pdev)
73{
74 return (pdev && pdev->driver) ? pdev->driver->name : "<null>";
75}
76
77#endif /* CONFIG_EEH */
78
79#else /* CONFIG_PCI */
80static inline void find_and_init_phbs(void) { }
81static inline void init_pci_config_tokens(void) { }
82#endif /* !CONFIG_PCI */
83
84#endif /* __KERNEL__ */
85#endif /* _ASM_POWERPC_PPC_PCI_H */