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#ifndef DEVICE_PATH_H
#define DEVICE_PATH_H
enum device_path_type {
DEVICE_PATH_NONE = 0,
DEVICE_PATH_ROOT,
DEVICE_PATH_PCI,
DEVICE_PATH_PNP,
DEVICE_PATH_I2C,
DEVICE_PATH_APIC,
DEVICE_PATH_DOMAIN,
DEVICE_PATH_CPU_CLUSTER,
DEVICE_PATH_CPU,
DEVICE_PATH_CPU_BUS,
DEVICE_PATH_IOAPIC,
/*
* When adding path types to this table, please also update the
* DEVICE_PATH_NAMES macro below.
*/
};
#define DEVICE_PATH_NAMES { \
"DEVICE_PATH_NONE", \
"DEVICE_PATH_ROOT", \
"DEVICE_PATH_PCI", \
"DEVICE_PATH_PNP", \
"DEVICE_PATH_I2C", \
"DEVICE_PATH_APIC", \
"DEVICE_PATH_DOMAIN", \
"DEVICE_PATH_CPU_CLUSTER", \
"DEVICE_PATH_CPU", \
"DEVICE_PATH_CPU_BUS", \
"DEVICE_PATH_IOAPIC" \
}
struct domain_path
{
unsigned domain;
};
struct pci_path
{
unsigned devfn;
};
struct pnp_path
{
unsigned port;
unsigned device;
};
struct i2c_path
{
unsigned device;
};
struct apic_path
{
unsigned apic_id;
unsigned package_id;
unsigned node_id;
unsigned core_id;
unsigned thread_id;
};
struct ioapic_path
{
unsigned ioapic_id;
};
struct cpu_cluster_path
{
unsigned cluster;
};
struct cpu_path
{
unsigned id;
};
struct cpu_bus_path
{
unsigned id;
};
struct device_path {
enum device_path_type type;
union {
struct pci_path pci;
struct pnp_path pnp;
struct i2c_path i2c;
struct apic_path apic;
struct ioapic_path ioapic;
struct domain_path domain;
struct cpu_cluster_path cpu_cluster;
struct cpu_path cpu;
struct cpu_bus_path cpu_bus;
};
};
#define DEVICE_PATH_MAX 30
#define BUS_PATH_MAX (DEVICE_PATH_MAX+10)
extern int path_eq(struct device_path *path1, struct device_path *path2);
extern const char *dev_path_name(enum device_path_type type);
#endif /* DEVICE_PATH_H */
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