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Diffstat (limited to 'include/asm-ia64/sn/pcidev.h')
-rw-r--r-- | include/asm-ia64/sn/pcidev.h | 58 |
1 files changed, 58 insertions, 0 deletions
diff --git a/include/asm-ia64/sn/pcidev.h b/include/asm-ia64/sn/pcidev.h new file mode 100644 index 00000000000..ed4031d8081 --- /dev/null +++ b/include/asm-ia64/sn/pcidev.h @@ -0,0 +1,58 @@ +/* + * 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, 2000-2004 Silicon Graphics, Inc. All rights reserved. + */ +#ifndef _ASM_IA64_SN_PCI_PCIDEV_H +#define _ASM_IA64_SN_PCI_PCIDEV_H + +#include <linux/pci.h> + +extern struct sn_irq_info **sn_irq; + +#define SN_PCIDEV_INFO(pci_dev) \ + ((struct pcidev_info *)(pci_dev)->sysdata) + +/* + * 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 *)(PCI_CONTROLLER((pci_bus))->platform_data)) + +/* + * 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 { + uint64_t pdi_pio_mapped_addr[7]; /* 6 BARs PLUS 1 ROM */ + uint64_t 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 */ +}; + +extern void sn_irq_fixup(struct pci_dev *pci_dev, + struct sn_irq_info *sn_irq_info); + +#endif /* _ASM_IA64_SN_PCI_PCIDEV_H */ |