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, 2000-2006 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 /* 14 * In ia64, pci_dev->sysdata must be a *pci_controller. To provide access to 15 * the pcidev_info structs for all devices under a controller, we keep a 16 * list of pcidev_info under pci_controller->platform_data. 17 */ 18 struct sn_platform_data { 19 void *provider_soft; 20 struct list_head pcidev_info; 21 }; 22 23 #define SN_PLATFORM_DATA(busdev) \ 24 ((struct sn_platform_data *)(PCI_CONTROLLER(busdev)->platform_data)) 25 26 #define SN_PCIDEV_INFO(dev) sn_pcidev_info_get(dev) 27 28 /* 29 * Given a pci_bus, return the sn pcibus_bussoft struct. Note that 30 * this only works for root busses, not for busses represented by PPB's. 31 */ 32 33 #define SN_PCIBUS_BUSSOFT(pci_bus) \ 34 ((struct pcibus_bussoft *)(SN_PLATFORM_DATA(pci_bus)->provider_soft)) 35 36 #define SN_PCIBUS_BUSSOFT_INFO(pci_bus) \ 37 ((struct pcibus_info *)(SN_PLATFORM_DATA(pci_bus)->provider_soft)) 38 /* 39 * Given a struct pci_dev, return the sn pcibus_bussoft struct. Note 40 * that this is not equivalent to SN_PCIBUS_BUSSOFT(pci_dev->bus) due 41 * due to possible PPB's in the path. 42 */ 43 44 #define SN_PCIDEV_BUSSOFT(pci_dev) \ 45 (SN_PCIDEV_INFO(pci_dev)->pdi_host_pcidev_info->pdi_pcibus_info) 46 47 #define SN_PCIDEV_BUSPROVIDER(pci_dev) \ 48 (SN_PCIDEV_INFO(pci_dev)->pdi_provider) 49 50 #define PCIIO_BUS_NONE 255 /* bus 255 reserved */ 51 #define PCIIO_SLOT_NONE 255 52 #define PCIIO_FUNC_NONE 255 53 #define PCIIO_VENDOR_ID_NONE (-1) 54 55 struct pcidev_info { 56 u64 pdi_pio_mapped_addr[7]; /* 6 BARs PLUS 1 ROM */ 57 u64 pdi_slot_host_handle; /* Bus and devfn Host pci_dev */ 58 59 struct pcibus_bussoft *pdi_pcibus_info; /* Kernel common bus soft */ 60 struct pcidev_info *pdi_host_pcidev_info; /* Kernel Host pci_dev */ 61 struct pci_dev *pdi_linux_pcidev; /* Kernel pci_dev */ 62 63 struct sn_irq_info *pdi_sn_irq_info; 64 struct sn_pcibus_provider *pdi_provider; /* sn pci ops */ 65 struct pci_dev *host_pci_dev; /* host bus link */ 66 struct list_head pdi_list; /* List of pcidev_info */ 67 }; 68 69 extern void sn_irq_fixup(struct pci_dev *pci_dev, 70 struct sn_irq_info *sn_irq_info); 71 extern void sn_irq_unfixup(struct pci_dev *pci_dev); 72 extern struct pcidev_info * sn_pcidev_info_get(struct pci_dev *); 73 extern void sn_bus_fixup(struct pci_bus *); 74 extern void sn_acpi_bus_fixup(struct pci_bus *); 75 extern void sn_common_bus_fixup(struct pci_bus *, struct pcibus_bussoft *); 76 extern void sn_bus_store_sysdata(struct pci_dev *dev); 77 extern void sn_bus_free_sysdata(void); 78 extern void sn_generate_path(struct pci_bus *pci_bus, char *address); 79 extern void sn_io_slot_fixup(struct pci_dev *); 80 extern void sn_acpi_slot_fixup(struct pci_dev *); 81 extern void sn_pci_fixup_slot(struct pci_dev *dev, struct pcidev_info *, 82 struct sn_irq_info *); 83 extern void sn_pci_unfixup_slot(struct pci_dev *dev); 84 extern void sn_irq_lh_init(void); 85 #endif /* _ASM_IA64_SN_PCI_PCIDEV_H */ 86