| /* SPDX-License-Identifier: GPL-2.0-only */ |
| |
| #ifndef DEVICE_PATH_H |
| #define DEVICE_PATH_H |
| |
| #include <stdint.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, |
| DEVICE_PATH_GENERIC, |
| DEVICE_PATH_SPI, |
| DEVICE_PATH_USB, |
| DEVICE_PATH_MMIO, |
| DEVICE_PATH_GPIO, |
| DEVICE_PATH_MDIO, |
| DEVICE_PATH_GICC_V3, |
| |
| /* |
| * 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", \ |
| "DEVICE_PATH_GENERIC", \ |
| "DEVICE_PATH_SPI", \ |
| "DEVICE_PATH_USB", \ |
| "DEVICE_PATH_MMIO", \ |
| "DEVICE_PATH_GPIO", \ |
| "DEVICE_PATH_MDIO", \ |
| "DEVICE_PATH_GICC_V3", \ |
| } |
| |
| struct domain_path { |
| unsigned int domain; |
| }; |
| |
| struct pci_path { |
| unsigned int devfn; |
| }; |
| |
| struct pnp_path { |
| unsigned int port; |
| unsigned int device; |
| }; |
| |
| struct i2c_path { |
| unsigned int device; |
| unsigned int mode_10bit; |
| }; |
| |
| struct spi_path { |
| unsigned int cs; |
| }; |
| |
| struct apic_path { |
| unsigned int initial_lapicid; |
| unsigned int apic_id; |
| unsigned int package_id; |
| unsigned int node_id; |
| unsigned int core_id; |
| unsigned int thread_id; |
| unsigned char core_type; |
| }; |
| |
| struct ioapic_path { |
| unsigned int ioapic_id; |
| }; |
| |
| struct cpu_cluster_path { |
| unsigned int cluster; |
| }; |
| |
| struct cpu_path { |
| unsigned int id; |
| }; |
| |
| struct cpu_bus_path { |
| unsigned int id; |
| }; |
| |
| struct generic_path { |
| unsigned int id; |
| unsigned int subid; |
| }; |
| |
| struct usb_path { |
| unsigned int port_type; |
| unsigned int port_id; |
| }; |
| |
| struct mmio_path { |
| uintptr_t addr; |
| }; |
| |
| struct gpio_path { |
| unsigned int id; |
| }; |
| |
| struct mdio_path { |
| unsigned int addr; |
| }; |
| |
| struct gicc_v3_path { |
| unsigned long long mpidr; |
| unsigned int vgic_mi; |
| unsigned int pi_gsiv; |
| }; |
| |
| 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; |
| struct generic_path generic; |
| struct spi_path spi; |
| struct usb_path usb; |
| struct mmio_path mmio; |
| struct gpio_path gpio; |
| struct mdio_path mdio; |
| struct gicc_v3_path gicc_v3; |
| }; |
| }; |
| |
| #define DEVICE_PATH_MAX 40 |
| #define BUS_PATH_MAX (DEVICE_PATH_MAX+10) |
| |
| extern const char *dev_path_name(enum device_path_type type); |
| |
| #endif /* DEVICE_PATH_H */ |