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34 #ifndef _RTE_CPUFLAGS_H_
35 #define _RTE_CPUFLAGS_H_
39 * Architecture specific API to determine available CPU features at runtime.
42 #include "rte_common.h"
46 * Enumeration of all CPU features supported
52 * Get name of CPU flag
58 * NULL if flag ID is invalid
62 rte_cpu_get_flag_name(enum rte_cpu_flag_t feature);
65 * Function for checking a CPU flag availability
68 * CPU flag to query CPU for
70 * 1 if flag is available
71 * 0 if flag is not available
72 * -ENOENT if flag is invalid
76 rte_cpu_get_flag_enabled(enum rte_cpu_flag_t feature);
79 * This function checks that the currently used CPU supports the CPU features
80 * that were specified at compile time. It is called automatically within the
81 * EAL, so does not need to be used by applications.
85 rte_cpu_check_supported(void);
88 * This function checks that the currently used CPU supports the CPU features
89 * that were specified at compile time. It is called automatically within the
90 * EAL, so does not need to be used by applications. This version returns a
91 * result so that decisions may be made (for instance, graceful shutdowns).
94 rte_cpu_is_supported(void);
96 #endif /* _RTE_CPUFLAGS_H_ */