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opengnsys_ipxe
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Tie into new boot device framework.

pull/1/head
Michael Brown 2005-04-12 16:54:09 +00:00
parent 1434e8d68d
commit 5c31682674
1 changed files with 50 additions and 17 deletions
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67
src/include/nic.h
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@ -8,7 +8,9 @@
#ifndef NIC_H #ifndef NIC_H
#define NIC_H #define NIC_H
#include "dev.h" /* to get global "dev" */
struct dev;
#include "main.h"
typedef enum { typedef enum {
DISABLE = 0, DISABLE = 0,
@ -20,15 +22,9 @@ typedef enum {
* Structure returned from eth_probe and passed to other driver * Structure returned from eth_probe and passed to other driver
* functions. * functions.
*/ */
struct nic struct nic {
{ struct nic_operations *nic_op;
struct dev dev; /* This must come first */
int (*poll)P((struct nic *, int retrieve));
void (*transmit)P((struct nic *, const char *d,
unsigned int t, unsigned int s, const char *p));
void (*irq)P((struct nic *, irq_action_t));
int flags; /* driver specific flags */ int flags; /* driver specific flags */
struct rom_info *rom_info; /* -> rom_info from main */
unsigned char *node_addr; unsigned char *node_addr;
unsigned char *packet; unsigned char *packet;
unsigned int packetlen; unsigned int packetlen;
@ -37,13 +33,50 @@ struct nic
void *priv_data; /* driver can hang private data here */ void *priv_data; /* driver can hang private data here */
}; };
struct nic_operations {
int ( *connect ) ( struct nic * );
int ( *poll ) ( struct nic *, int retrieve );
void ( *transmit ) ( struct nic *, const char *,
unsigned int, unsigned int, const char * );
void ( *irq ) ( struct nic *, irq_action_t );
void ( *disable ) ( struct nic * );
};
/*
* Function prototypes
*
*/
extern struct nic * nic_device ( struct dev * dev );
/*
* Functions that implicitly operate on the current boot device
*
* "nic" always points to &dev.nic
*/
extern struct nic *nic;
static inline int eth_connect ( void ) {
return nic->nic_op->connect ( nic );
}
static inline int eth_poll ( int retrieve ) {
return nic->nic_op->poll ( nic, retrieve );
}
static inline void eth_transmit ( const char *dest, unsigned int type,
unsigned int size, const void *packet ) {
nic->nic_op->transmit ( nic, dest, type, size, packet );
}
static inline void eth_irq ( irq_action_t action ) {
nic->nic_op->irq ( nic, action );
}
/* Should be using disable() rather than eth_disable() */
static inline void eth_disable ( void ) __attribute__ (( deprecated ));
static inline void eth_disable ( void ) {
nic->nic_op->disable ( nic );
}
extern struct nic nic;
extern int eth_probe(struct dev *dev);
extern int eth_poll(int retrieve);
extern void eth_transmit(const char *d, unsigned int t, unsigned int s, const void *p);
extern void eth_disable(void);
extern void eth_irq(irq_action_t action);
extern int eth_load_configuration(struct dev *dev);
extern int eth_load(struct dev *dev);;
#endif /* NIC_H */ #endif /* NIC_H */