include/asm-ia64/sn/pcidev.h

   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, 2000-2004 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 #define SN_PCIDEV_INFO(pci_dev) \
  14         ((struct pcidev_info *)(pci_dev)->sysdata)
  15
  16 #define SN_PCIBUS_BUSSOFT_INFO(pci_bus) \
  17         (struct pcibus_info *)((struct pcibus_bussoft *)(PCI_CONTROLLER((pci_bus))->platform_data))
  18 /*
  19  * Given a pci_bus, return the sn pcibus_bussoft struct.  Note that
  20  * this only works for root busses, not for busses represented by PPB's.
  21  */
  22
  23 #define SN_PCIBUS_BUSSOFT(pci_bus) \
  24         ((struct pcibus_bussoft *)(PCI_CONTROLLER((pci_bus))->platform_data))
  25
  26 #define SN_PCIBUS_BUSSOFT_INFO(pci_bus) \
  27         (struct pcibus_info *)((struct pcibus_bussoft *)(PCI_CONTROLLER((pci_bus))->platform_data))
  28 /*
  29  * Given a struct pci_dev, return the sn pcibus_bussoft struct.  Note
  30  * that this is not equivalent to SN_PCIBUS_BUSSOFT(pci_dev->bus) due
  31  * due to possible PPB's in the path.
  32  */
  33
  34 #define SN_PCIDEV_BUSSOFT(pci_dev) \
  35         (SN_PCIDEV_INFO(pci_dev)->pdi_host_pcidev_info->pdi_pcibus_info)
  36
  37 #define SN_PCIDEV_BUSPROVIDER(pci_dev) \
  38         (SN_PCIDEV_INFO(pci_dev)->pdi_provider)
  39
  40 #define PCIIO_BUS_NONE  255      /* bus 255 reserved */
  41 #define PCIIO_SLOT_NONE 255
  42 #define PCIIO_FUNC_NONE 255
  43 #define PCIIO_VENDOR_ID_NONE    (-1)
  44
  45 struct pcidev_info {
  46         uint64_t                pdi_pio_mapped_addr[7]; /* 6 BARs PLUS 1 ROM */
  47         uint64_t                pdi_slot_host_handle;   /* Bus and devfn Host pci_dev */
  48
  49         struct pcibus_bussoft   *pdi_pcibus_info;       /* Kernel common bus soft */
  50         struct pcidev_info      *pdi_host_pcidev_info;  /* Kernel Host pci_dev */
  51         struct pci_dev          *pdi_linux_pcidev;      /* Kernel pci_dev */
  52
  53         struct sn_irq_info      *pdi_sn_irq_info;
  54         struct sn_pcibus_provider *pdi_provider;        /* sn pci ops */
  55         struct pci_dev          *host_pci_dev;          /* host bus link */
  56 };
  57
  58 extern void sn_irq_fixup(struct pci_dev *pci_dev,
  59                          struct sn_irq_info *sn_irq_info);
  60 extern void sn_irq_unfixup(struct pci_dev *pci_dev);
  61 extern void sn_pci_controller_fixup(int segment, int busnum,
  62                                     struct pci_bus *bus);
  63 extern void sn_bus_store_sysdata(struct pci_dev *dev);
  64 extern void sn_bus_free_sysdata(void);
  65 extern void sn_pci_fixup_slot(struct pci_dev *dev);
  66 extern void sn_pci_unfixup_slot(struct pci_dev *dev);
  67 extern void sn_irq_lh_init(void);
  68 #endif                          /* _ASM_IA64_SN_PCI_PCIDEV_H */