a95baf9f7f
Add an optional routine to translate the device path types into a string for display. TEST=Build and run on Galileo Change-Id: Iea5d0a2430d9a8546105324e2beda0955210dca9 Signed-off-by: Lee Leahy <leroy.p.leahy@intel.com> Reviewed-on: https://review.coreboot.org/13715 Tested-by: build bot (Jenkins) Reviewed-by: Martin Roth <martinroth@google.com>
111 lines
1.7 KiB
C
111 lines
1.7 KiB
C
#ifndef DEVICE_PATH_H
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#define DEVICE_PATH_H
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enum device_path_type {
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DEVICE_PATH_NONE = 0,
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DEVICE_PATH_ROOT,
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DEVICE_PATH_PCI,
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DEVICE_PATH_PNP,
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DEVICE_PATH_I2C,
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DEVICE_PATH_APIC,
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DEVICE_PATH_DOMAIN,
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DEVICE_PATH_CPU_CLUSTER,
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DEVICE_PATH_CPU,
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DEVICE_PATH_CPU_BUS,
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DEVICE_PATH_IOAPIC,
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/*
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* When adding path types to this table, please also update the
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* DEVICE_PATH_NAMES macro below.
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*/
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};
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#define DEVICE_PATH_NAMES { \
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"DEVICE_PATH_NONE", \
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"DEVICE_PATH_ROOT", \
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"DEVICE_PATH_PCI", \
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"DEVICE_PATH_PNP", \
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"DEVICE_PATH_I2C", \
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"DEVICE_PATH_APIC", \
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"DEVICE_PATH_DOMAIN", \
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"DEVICE_PATH_CPU_CLUSTER", \
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"DEVICE_PATH_CPU", \
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"DEVICE_PATH_CPU_BUS", \
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"DEVICE_PATH_IOAPIC" \
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}
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struct domain_path
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{
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unsigned domain;
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};
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struct pci_path
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{
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unsigned devfn;
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};
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struct pnp_path
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{
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unsigned port;
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unsigned device;
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};
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struct i2c_path
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{
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unsigned device;
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};
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struct apic_path
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{
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unsigned apic_id;
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unsigned package_id;
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unsigned node_id;
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unsigned core_id;
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unsigned thread_id;
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};
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struct ioapic_path
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{
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unsigned ioapic_id;
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};
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struct cpu_cluster_path
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{
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unsigned cluster;
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};
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struct cpu_path
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{
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unsigned id;
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};
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struct cpu_bus_path
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{
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unsigned id;
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};
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struct device_path {
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enum device_path_type type;
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union {
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struct pci_path pci;
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struct pnp_path pnp;
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struct i2c_path i2c;
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struct apic_path apic;
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struct ioapic_path ioapic;
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struct domain_path domain;
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struct cpu_cluster_path cpu_cluster;
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struct cpu_path cpu;
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struct cpu_bus_path cpu_bus;
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};
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};
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#define DEVICE_PATH_MAX 30
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#define BUS_PATH_MAX (DEVICE_PATH_MAX+10)
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extern int path_eq(struct device_path *path1, struct device_path *path2);
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extern const char *dev_path_name(enum device_path_type type);
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#endif /* DEVICE_PATH_H */
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