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/*
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* This file is subject to the terms and conditions of the GNU General Public
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* License. See the file "COPYING" in the main directory of this archive
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* for more details.
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*
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* Copyright (C) 1992 - 1997, 2000-2005 Silicon Graphics, Inc. All rights reserved.
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*/
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#ifndef _ASM_IA64_SN_PCI_PCIDEV_H
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#define _ASM_IA64_SN_PCI_PCIDEV_H
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#include <linux/pci.h>
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/*
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* In ia64, pci_dev->sysdata must be a *pci_controller. To provide access to
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* the pcidev_info structs for all devices under a controller, we extend the
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* definition of pci_controller, via sn_pci_controller, to include a list
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* of pcidev_info.
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*/
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struct sn_pci_controller {
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struct pci_controller pci_controller;
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struct list_head pcidev_info;
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};
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#define SN_PCI_CONTROLLER(dev) ((struct sn_pci_controller *) dev->sysdata)
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#define SN_PCIDEV_INFO(dev) sn_pcidev_info_get(dev)
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#define SN_PCIBUS_BUSSOFT_INFO(pci_bus) \
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(struct pcibus_info *)((struct pcibus_bussoft *)(PCI_CONTROLLER((pci_bus))->platform_data))
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/*
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* Given a pci_bus, return the sn pcibus_bussoft struct. Note that
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* this only works for root busses, not for busses represented by PPB's.
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*/
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#define SN_PCIBUS_BUSSOFT(pci_bus) \
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((struct pcibus_bussoft *)(PCI_CONTROLLER((pci_bus))->platform_data))
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#define SN_PCIBUS_BUSSOFT_INFO(pci_bus) \
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(struct pcibus_info *)((struct pcibus_bussoft *)(PCI_CONTROLLER((pci_bus))->platform_data))
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/*
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* Given a struct pci_dev, return the sn pcibus_bussoft struct. Note
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* that this is not equivalent to SN_PCIBUS_BUSSOFT(pci_dev->bus) due
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* due to possible PPB's in the path.
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*/
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#define SN_PCIDEV_BUSSOFT(pci_dev) \
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(SN_PCIDEV_INFO(pci_dev)->pdi_host_pcidev_info->pdi_pcibus_info)
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#define SN_PCIDEV_BUSPROVIDER(pci_dev) \
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(SN_PCIDEV_INFO(pci_dev)->pdi_provider)
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#define PCIIO_BUS_NONE 255 /* bus 255 reserved */
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#define PCIIO_SLOT_NONE 255
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#define PCIIO_FUNC_NONE 255
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#define PCIIO_VENDOR_ID_NONE (-1)
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struct pcidev_info {
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u64 pdi_pio_mapped_addr[7]; /* 6 BARs PLUS 1 ROM */
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u64 pdi_slot_host_handle; /* Bus and devfn Host pci_dev */
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struct pcibus_bussoft *pdi_pcibus_info; /* Kernel common bus soft */
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struct pcidev_info *pdi_host_pcidev_info; /* Kernel Host pci_dev */
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struct pci_dev *pdi_linux_pcidev; /* Kernel pci_dev */
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struct sn_irq_info *pdi_sn_irq_info;
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struct sn_pcibus_provider *pdi_provider; /* sn pci ops */
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struct pci_dev *host_pci_dev; /* host bus link */
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struct list_head pdi_list; /* List of pcidev_info */
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};
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extern void sn_irq_fixup(struct pci_dev *pci_dev,
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struct sn_irq_info *sn_irq_info);
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extern void sn_irq_unfixup(struct pci_dev *pci_dev);
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extern struct pcidev_info * sn_pcidev_info_get(struct pci_dev *);
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extern void sn_pci_controller_fixup(int segment, int busnum,
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struct pci_bus *bus);
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extern void sn_bus_store_sysdata(struct pci_dev *dev);
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extern void sn_bus_free_sysdata(void);
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extern void sn_pci_fixup_slot(struct pci_dev *dev);
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extern void sn_pci_unfixup_slot(struct pci_dev *dev);
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extern void sn_irq_lh_init(void);
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#endif /* _ASM_IA64_SN_PCI_PCIDEV_H */
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