diff options
Diffstat (limited to 'com32/include/sys/pci.h')
| -rw-r--r-- | com32/include/sys/pci.h | 103 |
1 files changed, 53 insertions, 50 deletions
diff --git a/com32/include/sys/pci.h b/com32/include/sys/pci.h index b6556ff0..2c6b5158 100644 --- a/com32/include/sys/pci.h +++ b/com32/include/sys/pci.h @@ -17,57 +17,58 @@ typedef uint32_t pciaddr_t; enum { - ENOPCIIDS = 100, - ENOMODULESPCIMAP + ENOPCIIDS = 100, + ENOMODULESPCIMAP }; /* a structure for extended pci information */ /* XXX: use pointers for these? */ struct pci_dev_info { - char vendor_name[PCI_VENDOR_NAME_SIZE]; - char product_name[PCI_PRODUCT_NAME_SIZE]; - char linux_kernel_module[LINUX_KERNEL_MODULE_SIZE][MAX_KERNEL_MODULES_PER_PCI_DEVICE]; - int linux_kernel_module_count; - char class_name[PCI_CLASS_NAME_SIZE]; /* The most precise class name */ - char category_name[PCI_CLASS_NAME_SIZE]; /*The general category*/ - uint8_t irq; - uint8_t latency; + char vendor_name[PCI_VENDOR_NAME_SIZE]; + char product_name[PCI_PRODUCT_NAME_SIZE]; + char linux_kernel_module[LINUX_KERNEL_MODULE_SIZE] + [MAX_KERNEL_MODULES_PER_PCI_DEVICE]; + int linux_kernel_module_count; + char class_name[PCI_CLASS_NAME_SIZE]; /* The most precise class name */ + char category_name[PCI_CLASS_NAME_SIZE]; /*The general category */ + uint8_t irq; + uint8_t latency; }; /* PCI device (really, function) */ struct pci_device { - union { - struct { - uint16_t vendor; - uint16_t product; - uint16_t sub_vendor; - uint16_t sub_product; - uint8_t revision; - uint8_t class[3]; + union { + struct { + uint16_t vendor; + uint16_t product; + uint16_t sub_vendor; + uint16_t sub_product; + uint8_t revision; + uint8_t class[3]; + }; + struct { + uint32_t vid_did; + uint32_t svid_sdid; + uint32_t rid_class; + }; }; - struct { - uint32_t vid_did; - uint32_t svid_sdid; - uint32_t rid_class; - }; - }; - struct pci_dev_info *dev_info; - struct pci_device *next; + struct pci_dev_info *dev_info; + struct pci_device *next; }; /* PCI device ("slot") structure */ struct pci_slot { - struct pci_device *func[MAX_PCI_FUNC]; + struct pci_device *func[MAX_PCI_FUNC]; }; /* PCI bus structure */ struct pci_bus { - struct pci_slot *slot[MAX_PCI_DEVICES]; + struct pci_slot *slot[MAX_PCI_DEVICES]; }; /* PCI domain structure */ struct pci_domain { - struct pci_bus *bus[MAX_PCI_BUSES]; + struct pci_bus *bus[MAX_PCI_BUSES]; }; /* Iterate over a PCI domain */ @@ -91,43 +92,43 @@ struct pci_domain { func[__pci_func])) struct match { - struct match *next; - uint32_t did; - uint32_t did_mask; - uint32_t sid; - uint32_t sid_mask; - uint8_t rid_min, rid_max; - char *filename; + struct match *next; + uint32_t did; + uint32_t did_mask; + uint32_t sid; + uint32_t sid_mask; + uint8_t rid_min, rid_max; + char *filename; }; static inline pciaddr_t pci_mkaddr(uint32_t bus, uint32_t dev, uint32_t func, uint32_t reg) { - return 0x80000000 | ((bus & 0xff) << 16) | ((dev & 0x1f) << 11) | - ((func & 0x07) << 8) | (reg & 0xff); + return 0x80000000 | ((bus & 0xff) << 16) | ((dev & 0x1f) << 11) | + ((func & 0x07) << 8) | (reg & 0xff); } static inline int pci_bus(pciaddr_t addr) { - return (addr >> 16) & 0xff; + return (addr >> 16) & 0xff; } static inline int pci_dev(pciaddr_t addr) { - return (addr >> 11) & 0x1f; + return (addr >> 11) & 0x1f; } static inline int pci_func(pciaddr_t addr) { - return (addr >> 8) & 0x07; + return (addr >> 8) & 0x07; } enum pci_config_type { - PCI_CFG_NONE = -1, /* badness */ - PCI_CFG_AUTO = 0, /* autodetect */ - PCI_CFG_TYPE1 = 1, - PCI_CFG_TYPE2 = 2, - PCI_CFG_BIOS = 3, + PCI_CFG_NONE = -1, /* badness */ + PCI_CFG_AUTO = 0, /* autodetect */ + PCI_CFG_TYPE1 = 1, + PCI_CFG_TYPE2 = 2, + PCI_CFG_BIOS = 3, }; enum pci_config_type pci_set_config_type(enum pci_config_type); @@ -141,10 +142,12 @@ void pci_writel(uint32_t, pciaddr_t); struct pci_domain *pci_scan(void); void free_pci_domain(struct pci_domain *domain); -struct match * find_pci_device(const struct pci_domain *pci_domain, - struct match *list); +struct match *find_pci_device(const struct pci_domain *pci_domain, + struct match *list); int get_name_from_pci_ids(struct pci_domain *pci_domain, char *pciids_path); -int get_module_name_from_pcimap(struct pci_domain *pci_domain, char *modules_pcimap_path); -int get_class_name_from_pci_ids(struct pci_domain *pci_domain, char *pciids_path); +int get_module_name_from_pcimap(struct pci_domain *pci_domain, + char *modules_pcimap_path); +int get_class_name_from_pci_ids(struct pci_domain *pci_domain, + char *pciids_path); void gather_additional_pci_config(struct pci_domain *domain); #endif /* _SYS_PCI_H */ |