1/*
2 * This file is subject to the terms and conditions of the GNU General Public
3 * License.  See the file "COPYING" in the main directory of this archive
4 * for more details.
5 *
6 * Copyright (C) 1992 - 1997, 2000-2006 Silicon Graphics, Inc. All rights reserved.
7 */
8#ifndef _ASM_IA64_SN_PCI_PCIDEV_H
9#define _ASM_IA64_SN_PCI_PCIDEV_H
10
11#include <linux/pci.h>
12
13/*
14 * In ia64, pci_dev->sysdata must be a *pci_controller. To provide access to
15 * the pcidev_info structs for all devices under a controller, we keep a
16 * list of pcidev_info under pci_controller->platform_data.
17 */
18struct sn_platform_data {
19	void *provider_soft;
20	struct list_head pcidev_info;
21};
22
23#define SN_PLATFORM_DATA(busdev) \
24	((struct sn_platform_data *)(PCI_CONTROLLER(busdev)->platform_data))
25
26#define SN_PCIDEV_INFO(dev)	sn_pcidev_info_get(dev)
27
28/*
29 * Given a pci_bus, return the sn pcibus_bussoft struct.  Note that
30 * this only works for root busses, not for busses represented by PPB's.
31 */
32
33#define SN_PCIBUS_BUSSOFT(pci_bus) \
34	((struct pcibus_bussoft *)(SN_PLATFORM_DATA(pci_bus)->provider_soft))
35
36#define SN_PCIBUS_BUSSOFT_INFO(pci_bus) \
37	((struct pcibus_info *)(SN_PLATFORM_DATA(pci_bus)->provider_soft))
38/*
39 * Given a struct pci_dev, return the sn pcibus_bussoft struct.  Note
40 * that this is not equivalent to SN_PCIBUS_BUSSOFT(pci_dev->bus) due
41 * due to possible PPB's in the path.
42 */
43
44#define SN_PCIDEV_BUSSOFT(pci_dev) \
45	(SN_PCIDEV_INFO(pci_dev)->pdi_host_pcidev_info->pdi_pcibus_info)
46
47#define SN_PCIDEV_BUSPROVIDER(pci_dev) \
48	(SN_PCIDEV_INFO(pci_dev)->pdi_provider)
49
50#define PCIIO_BUS_NONE	255      /* bus 255 reserved */
51#define PCIIO_SLOT_NONE 255
52#define PCIIO_FUNC_NONE 255
53#define PCIIO_VENDOR_ID_NONE	(-1)
54
55struct pcidev_info {
56	u64		pdi_pio_mapped_addr[7]; /* 6 BARs PLUS 1 ROM */
57	u64		pdi_slot_host_handle;	/* Bus and devfn Host pci_dev */
58
59	struct pcibus_bussoft	*pdi_pcibus_info;	/* Kernel common bus soft */
60	struct pcidev_info	*pdi_host_pcidev_info;	/* Kernel Host pci_dev */
61	struct pci_dev		*pdi_linux_pcidev;	/* Kernel pci_dev */
62
63	struct sn_irq_info	*pdi_sn_irq_info;
64	struct sn_pcibus_provider *pdi_provider;	/* sn pci ops */
65	struct pci_dev 		*host_pci_dev;		/* host bus link */
66	struct list_head	pdi_list;		/* List of pcidev_info */
67};
68
69extern void sn_irq_fixup(struct pci_dev *pci_dev,
70			 struct sn_irq_info *sn_irq_info);
71extern void sn_irq_unfixup(struct pci_dev *pci_dev);
72extern struct pcidev_info * sn_pcidev_info_get(struct pci_dev *);
73extern void sn_bus_fixup(struct pci_bus *);
74extern void sn_acpi_bus_fixup(struct pci_bus *);
75extern void sn_common_bus_fixup(struct pci_bus *, struct pcibus_bussoft *);
76extern void sn_bus_store_sysdata(struct pci_dev *dev);
77extern void sn_bus_free_sysdata(void);
78extern void sn_generate_path(struct pci_bus *pci_bus, char *address);
79extern void sn_io_slot_fixup(struct pci_dev *);
80extern void sn_acpi_slot_fixup(struct pci_dev *);
81extern void sn_pci_fixup_slot(struct pci_dev *dev, struct pcidev_info *,
82			      struct sn_irq_info *);
83extern void sn_pci_unfixup_slot(struct pci_dev *dev);
84extern void sn_irq_lh_init(void);
85#endif				/* _ASM_IA64_SN_PCI_PCIDEV_H */
86