arch/ia64/sn/include/pci/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 extern struct sn_irq_info **sn_irq;
  14
  15 #define SN_PCIDEV_INFO(pci_dev) \
  16         ((struct pcidev_info *)(pci_dev)->sysdata)
  17
  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 /*
  27  * Given a struct pci_dev, return the sn pcibus_bussoft struct.  Note
  28  * that this is not equivalent to SN_PCIBUS_BUSSOFT(pci_dev->bus) due
  29  * due to possible PPB's in the path.
  30  */
  31
  32 #define SN_PCIDEV_BUSSOFT(pci_dev) \
  33         (SN_PCIDEV_INFO(pci_dev)->pdi_host_pcidev_info->pdi_pcibus_info)
  34
  35 #define SN_PCIDEV_BUSPROVIDER(pci_dev) \
  36         (SN_PCIDEV_INFO(pci_dev)->pdi_provider)
  37
  38 #define PCIIO_BUS_NONE  255      /* bus 255 reserved */
  39 #define PCIIO_SLOT_NONE 255
  40 #define PCIIO_FUNC_NONE 255
  41 #define PCIIO_VENDOR_ID_NONE    (-1)
  42
  43 struct pcidev_info {
  44         uint64_t                pdi_pio_mapped_addr[7]; /* 6 BARs PLUS 1 ROM */
  45         uint64_t                pdi_slot_host_handle;   /* Bus and devfn Host pci_dev */
  46
  47         struct pcibus_bussoft   *pdi_pcibus_info;       /* Kernel common bus soft */
  48         struct pcidev_info      *pdi_host_pcidev_info;  /* Kernel Host pci_dev */
  49         struct pci_dev          *pdi_linux_pcidev;      /* Kernel pci_dev */
  50
  51         struct sn_irq_info      *pdi_sn_irq_info;
  52         struct sn_pcibus_provider *pdi_provider;        /* sn pci ops */
  53 };
  54
  55 extern void sn_irq_fixup(struct pci_dev *pci_dev,
  56                          struct sn_irq_info *sn_irq_info);
  57
  58 #endif                          /* _ASM_IA64_SN_PCI_PCIDEV_H */