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