| 0,0 → 1,97 |
|---|
| #ifndef PCI_H |
| #define PCI_H |
| |
| //#include <arch/types.h> |
| #include <libadt/list.h> |
| #include <stdio.h> |
| |
| struct pci_drv; |
| struct pci_dev; |
| struct pci_bus; |
| struct pci_drv_ops; |
| |
| typedef struct pci_drv pci_drv_t; |
| typedef struct pci_dev pci_dev_t; |
| typedef struct pci_bus pci_bus_t; |
| typedef struct pci_drv_ops pci_drv_ops_t; |
| |
| struct pci_drv { |
| link_t link; |
| int vendor_id; |
| int device_id; |
| pci_drv_ops_t *ops; |
| }; |
| |
| struct pci_dev{ |
| link_t link; |
| pci_bus_t *bus; |
| int dev; |
| int fn; |
| |
| int vendor_id; |
| int device_id; |
| pci_drv_t *driver; |
| }; |
| |
| struct pci_drv_ops { |
| int (*add_device)(pci_dev_t *dev); |
| |
| }; |
| |
| struct pci_bus { |
| link_t link; |
| int num; |
| // architecture-specific usage |
| void *data; |
| }; |
| |
| void pci_bus_register(pci_bus_t *bus); |
| void pci_device_register(pci_dev_t *dev); |
| void pci_driver_register(pci_drv_t *drv); |
| |
| void pci_bus_scan(pci_bus_t *bus); |
| |
| static inline pci_bus_t* pci_alloc_bus() |
| { |
| pci_bus_t *bus = (pci_bus_t *)malloc(sizeof(pci_bus_t)); |
| link_initialize(&bus->link); |
| bus->num = 0; |
| bus->data = NULL; |
| return bus; |
| } |
| |
| // arch. spec. initialization of pci bus structure - of its data member |
| void pci_init_bus_data(pci_bus_t *bus, pci_bus_t *parent); |
| |
| static inline void pci_init_bus(pci_bus_t *bus, pci_bus_t *parent, int bus_num) |
| { |
| bus->num = bus_num; |
| pci_init_bus_data(bus, parent); |
| } |
| |
| static inline void pci_free_bus(pci_bus_t *bus) |
| { |
| free(bus); |
| } |
| |
| static inline pci_dev_t* pci_alloc_dev() |
| { |
| pci_dev_t *dev = (pci_dev_t *)malloc(sizeof(pci_dev_t)); |
| bzero(dev, sizeof(pci_dev_t)); |
| link_initialize(&dev->link); |
| return dev; |
| } |
| |
| static inline void pci_init_dev(pci_dev_t *dev, pci_bus_t *bus, int devnum, int fn) |
| { |
| dev->bus = bus; |
| dev->dev = devnum; |
| dev->fn = fn; |
| } |
| |
| static inline void pci_free_dev(pci_dev_t *dev) |
| { |
| free(dev); |
| } |
| |
| #endif |