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Created a bus/device API that allows for the ROM prefix to specify an

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initial device, and will also allow for e.g. a device menu to be presented
to the user.
This commit is contained in:
Michael Brown
2005-04-21 18:18:29 +00:00
parent 905ca1f21d
commit 98ff29345e
16 changed files with 726 additions and 557 deletions
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52
src/include/nic.h
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@@ -8,6 +8,10 @@
#ifndef NIC_H
#define NIC_H
#include "dev.h"
#include "byteswap.h"
#include "dhcp.h"
typedef enum {
DISABLE = 0,
ENABLE,
@@ -24,16 +28,17 @@ typedef enum duplex {
* functions.
*/
struct nic {
struct nic_operations *nic_op;
int flags; /* driver specific flags */
unsigned char *node_addr;
unsigned char *packet;
unsigned int packetlen;
unsigned int ioaddr;
unsigned char irqno;
unsigned int mbps;
duplex_t duplex;
void *priv_data; /* driver can hang private data here */
struct nic_operations *nic_op;
int flags; /* driver specific flags */
unsigned char *node_addr;
unsigned char *packet;
unsigned int packetlen;
unsigned int ioaddr;
unsigned char irqno;
unsigned int mbps;
duplex_t duplex;
struct dhcp_dev_id dhcp_dev_id;
void *priv_data; /* driver private data */
};
struct nic_operations {
@@ -42,52 +47,43 @@ struct nic_operations {
void ( *transmit ) ( struct nic *, const char *,
unsigned int, unsigned int, const char * );
void ( *irq ) ( struct nic *, irq_action_t );
void ( *disable ) ( struct nic * );
};
extern struct type_driver nic_driver;
/*
* Function prototypes
*
*/
struct dev;
extern struct nic * nic_device ( struct dev * dev );
extern int dummy_connect ( struct nic *nic );
extern void dummy_irq ( struct nic *nic, irq_action_t irq_action );
extern void nic_disable ( struct nic *nic );
/*
* Functions that implicitly operate on the current boot device
*
* "nic" always points to &dev.nic
*/
extern struct nic *nic;
extern struct nic nic;
static inline int eth_connect ( void ) {
return nic->nic_op->connect ( nic );
return nic.nic_op->connect ( &nic );
}
static inline int eth_poll ( int retrieve ) {
return nic->nic_op->poll ( nic, 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 );
nic.nic_op->transmit ( &nic, dest, type, size, packet );
}
static inline void eth_irq ( irq_action_t action ) {
nic->nic_op->irq ( nic, 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 );
}
/* dev.h needs declarations from nic.h */
#include "dev.h"
/* to get global "dev" */
#include "main.h"
extern void eth_disable ( void ) __attribute__ (( deprecated ));
#endif /* NIC_H */