*/
};
+/*
+ * FPU state configuration data. Initialized at boot time. Read only after init.
+ */
+struct fpu_state_config {
+ /*
+ * @max_size:
+ *
+ * The maximum size of the register state buffer. Includes all
+ * supported features except independent managed features.
+ */
+ unsigned int max_size;
+
+ /*
+ * @default_size:
+ *
+ * The default size of the register state buffer. Includes all
+ * supported features except independent managed features and
+ * features which have to be requested by user space before usage.
+ */
+ unsigned int default_size;
+
+ /*
+ * @max_features:
+ *
+ * The maximum supported features bitmap. Does not include
+ * independent managed features.
+ */
+ u64 max_features;
+
+ /*
+ * @default_features:
+ *
+ * The default supported features bitmap. Does not include
+ * independent managed features and features which have to
+ * be requested by user space before usage.
+ */
+ u64 default_features;
+};
+
+/* FPU state configuration information */
+extern struct fpu_state_config fpu_kernel_cfg, fpu_user_cfg;
+
#endif /* _ASM_X86_FPU_H */
#define CREATE_TRACE_POINTS
#include <asm/trace/fpu.h>
+/* The FPU state configuration data for kernel and user space */
+struct fpu_state_config fpu_kernel_cfg __ro_after_init;
+struct fpu_state_config fpu_user_cfg __ro_after_init;
+
/*
* Represents the initial FPU state. It's mostly (but not completely) zeroes,
* depending on the FPU hardware format: