pcidev.h

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/*
 * This file is subject to the terms and conditions of the GNU General Public
 * License.  See the file "COPYING" in the main directory of this archive
 * for more details.
 *
 * Copyright (C) 1992 - 1997, 2000-2006 Silicon Graphics, Inc. All rights reserved.
 */
#ifndef _ASM_IA64_SN_PCI_PCIDEV_H
#define _ASM_IA64_SN_PCI_PCIDEV_H

#include <linux/pci.h>

/*
 * In ia64, pci_dev->sysdata must be a *pci_controller. To provide access to
 * the pcidev_info structs for all devices under a controller, we keep a
 * list of pcidev_info under pci_controller->platform_data.
 */
struct sn_platform_data {
    void *provider_soft;
    struct list_head pcidev_info;
};

#define SN_PLATFORM_DATA(busdev) \
    ((struct sn_platform_data *)(PCI_CONTROLLER(busdev)->platform_data))

#define SN_PCIDEV_INFO(dev) sn_pcidev_info_get(dev)

/*
 * Given a pci_bus, return the sn pcibus_bussoft struct.  Note that
 * this only works for root busses, not for busses represented by PPB's.
 */

#define SN_PCIBUS_BUSSOFT(pci_bus) \
    ((struct pcibus_bussoft *)(SN_PLATFORM_DATA(pci_bus)->provider_soft))

#define SN_PCIBUS_BUSSOFT_INFO(pci_bus) \
    ((struct pcibus_info *)(SN_PLATFORM_DATA(pci_bus)->provider_soft))
/*
 * Given a struct pci_dev, return the sn pcibus_bussoft struct.  Note
 * that this is not equivalent to SN_PCIBUS_BUSSOFT(pci_dev->bus) due
 * due to possible PPB's in the path.
 */

#define SN_PCIDEV_BUSSOFT(pci_dev) \
    (SN_PCIDEV_INFO(pci_dev)->pdi_host_pcidev_info->pdi_pcibus_info)

#define SN_PCIDEV_BUSPROVIDER(pci_dev) \
    (SN_PCIDEV_INFO(pci_dev)->pdi_provider)

#define PCIIO_BUS_NONE  255      /* bus 255 reserved */
#define PCIIO_SLOT_NONE 255
#define PCIIO_FUNC_NONE 255
#define PCIIO_VENDOR_ID_NONE    (-1)

struct pcidev_info {
    u64     pdi_pio_mapped_addr[7]; /* 6 BARs PLUS 1 ROM */
    u64     pdi_slot_host_handle;   /* Bus and devfn Host pci_dev */

    struct pcibus_bussoft   *pdi_pcibus_info;   /* Kernel common bus soft */
    struct pcidev_info  *pdi_host_pcidev_info;  /* Kernel Host pci_dev */
    struct pci_dev      *pdi_linux_pcidev;  /* Kernel pci_dev */

    struct sn_irq_info  *pdi_sn_irq_info;
    struct sn_pcibus_provider *pdi_provider;    /* sn pci ops */
    struct pci_dev      *host_pci_dev;      /* host bus link */
    struct list_head    pdi_list;       /* List of pcidev_info */
};

extern void sn_irq_fixup(struct pci_dev *pci_dev,
             struct sn_irq_info *sn_irq_info);
extern void sn_irq_unfixup(struct pci_dev *pci_dev);
extern struct pcidev_info * sn_pcidev_info_get(struct pci_dev *);
extern void sn_bus_fixup(struct pci_bus *);
extern void sn_acpi_bus_fixup(struct pci_bus *);
extern void sn_common_bus_fixup(struct pci_bus *, struct pcibus_bussoft *);
extern void sn_bus_store_sysdata(struct pci_dev *dev);
extern void sn_bus_free_sysdata(void);
extern void sn_generate_path(struct pci_bus *pci_bus, char *address);
extern void sn_io_slot_fixup(struct pci_dev *);
extern void sn_acpi_slot_fixup(struct pci_dev *);
extern void sn_pci_fixup_slot(struct pci_dev *dev, struct pcidev_info *,
                  struct sn_irq_info *);
extern void sn_pci_unfixup_slot(struct pci_dev *dev);
extern void sn_irq_lh_init(void);
#endif              /* _ASM_IA64_SN_PCI_PCIDEV_H */