dev.h revision 1b8adde7ba7d5e04395c141c5400dc2cffd7d809
#ifndef _DEV_H
#define _DEV_H
#include "isa.h"
#include "pci.h"
/* Need to check the packing of this struct if Etherboot is ported */
struct dev_id
{
unsigned short vendor_id;
unsigned short device_id;
unsigned char bus_type;
#define PCI_BUS_TYPE 1
#define ISA_BUS_TYPE 2
};
/* Dont use sizeof, that will include the padding */
#define DEV_ID_SIZE 8
struct pci_probe_state
{
#ifdef CONFIG_PCI
struct pci_device dev;
int advance;
#else
int dummy;
#endif
};
struct isa_probe_state
{
#ifdef CONFIG_ISA
const struct isa_driver *driver;
int advance;
#else
int dummy;
#endif
};
union probe_state
{
struct pci_probe_state pci;
struct isa_probe_state isa;
};
struct dev
{
int index; /* Index of next device on this controller to probe */
int type; /* Type of device I am probing for */
int how_probe; /* First, next or awake */
int to_probe; /* Flavor of device I am probing */
int failsafe; /* Failsafe probe requested */
int type_index; /* Index of this device (within type) */
#define PROBE_NONE 0
#define PROBE_PCI 1
#define PROBE_ISA 2
union probe_state state;
};
#define NIC_DRIVER 0
#define DISK_DRIVER 1
#define FLOPPY_DRIVER 2
#define BRIDGE_DRIVER 1000
#define PROBE_FIRST (-1)
#define PROBE_NEXT 0
/* The probe result codes are selected
* to allow them to be fed back into the probe
* routine and get a successful probe.
*/
#define PROBE_FAILED PROBE_FIRST
#define PROBE_WORKED PROBE_NEXT
#endif /* _DEV_H */