1 #ifndef _ASM_X86_MICROCODE_INTEL_H
2 #define _ASM_X86_MICROCODE_INTEL_H
4 #include <asm/microcode.h>
6 struct microcode_header_intel {
14 unsigned int datasize;
15 unsigned int totalsize;
16 unsigned int reserved[3];
19 struct microcode_intel {
20 struct microcode_header_intel hdr;
24 /* microcode format is extended from prescott processors */
25 struct extended_signature {
31 struct extended_sigtable {
34 unsigned int reserved[3];
35 struct extended_signature sigs[0];
38 #define DEFAULT_UCODE_DATASIZE (2000)
39 #define MC_HEADER_SIZE (sizeof(struct microcode_header_intel))
40 #define DEFAULT_UCODE_TOTALSIZE (DEFAULT_UCODE_DATASIZE + MC_HEADER_SIZE)
41 #define EXT_HEADER_SIZE (sizeof(struct extended_sigtable))
42 #define EXT_SIGNATURE_SIZE (sizeof(struct extended_signature))
44 #define get_totalsize(mc) \
45 (((struct microcode_intel *)mc)->hdr.datasize ? \
46 ((struct microcode_intel *)mc)->hdr.totalsize : \
47 DEFAULT_UCODE_TOTALSIZE)
49 #define get_datasize(mc) \
50 (((struct microcode_intel *)mc)->hdr.datasize ? \
51 ((struct microcode_intel *)mc)->hdr.datasize : DEFAULT_UCODE_DATASIZE)
53 #define exttable_size(et) ((et)->count * EXT_SIGNATURE_SIZE + EXT_HEADER_SIZE)
55 #ifdef CONFIG_MICROCODE_INTEL
56 extern void __init load_ucode_intel_bsp(void);
57 extern void load_ucode_intel_ap(void);
58 extern void show_ucode_info_early(void);
59 extern int __init save_microcode_in_initrd_intel(void);
60 void reload_ucode_intel(void);
62 static inline __init void load_ucode_intel_bsp(void) {}
63 static inline void load_ucode_intel_ap(void) {}
64 static inline void show_ucode_info_early(void) {}
65 static inline int __init save_microcode_in_initrd_intel(void) { return -EINVAL; }
66 static inline void reload_ucode_intel(void) {}
69 #endif /* _ASM_X86_MICROCODE_INTEL_H */