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Fix up find_pci_device so that it can be used for scanning for devices

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*other* than the main boot device.
This commit is contained in:
Michael Brown
2005-04-12 18:04:03 +00:00
parent eb8f730d63
commit 762fa9a478
5 changed files with 66 additions and 44 deletions
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7
src/include/dev.h
View File

@@ -3,6 +3,7 @@
#include "stdint.h"
#include "nic.h"
#include "pci.h"
/* Need to check the packing of this struct if Etherboot is ported */
struct dev_id {
@@ -17,9 +18,13 @@ struct dev_id {
#define DEV_ID_SIZE 8
struct dev {
struct dev_operations *dev_op;
const char *name;
struct dev_id devid; /* device ID string (sent to DHCP server) */
struct dev_operations *dev_op;
/* All possible bus types */
union {
struct pci_device pci;
};
/* All possible device types */
union {
struct nic nic;

5
src/include/main.h
View File

@@ -3,8 +3,9 @@
#include "dev.h"
extern int main ( void );
extern struct dev dev;
extern int main ( void );
extern void set_pci_device ( uint16_t busdevfn );
#endif /* MAIN_H */

9
src/include/pci.h
View File

@@ -237,7 +237,9 @@
* A physical PCI device
*
*/
struct dev;
struct pci_device {
struct dev * dev;
uint32_t membase; /* BAR 1 */
uint32_t ioaddr; /* first IO BAR */
uint16_t vendor, dev_id;
@@ -245,6 +247,7 @@ struct pci_device {
uint16_t busdevfn;
uint8_t revision;
uint8_t irq;
uint8_t already_tried;
};
#define PCI_BUS(busdevfn) ( ( (busdevfn) >> 8 ) & 0xff )
#define PCI_DEV(busdevfn) ( ( (busdevfn) >> 3 ) & 0x1f )
@@ -319,9 +322,9 @@ extern unsigned long pci_bus_base ( struct pci_device *dev );
* Functions in pci.c
*
*/
extern void set_pci_device ( uint16_t busdevfn );
extern struct pci_device * find_pci_device ( struct pci_driver *driver,
struct dev *dev );
extern struct pci_device * pci_device ( struct dev *dev );
extern int find_pci_device ( struct pci_device *pci,
struct pci_driver *driver );
extern unsigned long pci_bar_start ( struct pci_device *pci,
unsigned int bar );
extern unsigned long pci_bar_size ( struct pci_device *pci, unsigned int bar );