forked from Minki/linux
fe055896c0
Merge the early loader functionality into the driver proper. The diff is huge but logically, it is simply moving code from the _early.c files into the main driver. Signed-off-by: Borislav Petkov <bp@suse.de> Cc: Andy Lutomirski <luto@amacapital.net> Cc: Arjan van de Ven <arjan@linux.intel.com> Cc: Borislav Petkov <bp@alien8.de> Cc: Brian Gerst <brgerst@gmail.com> Cc: Dave Jones <davej@codemonkey.org.uk> Cc: Denys Vlasenko <dvlasenk@redhat.com> Cc: H. Peter Anvin <hpa@zytor.com> Cc: Len Brown <len.brown@intel.com> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Rafael J. Wysocki <rafael.j.wysocki@intel.com> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Tony Luck <tony.luck@intel.com> Link: http://lkml.kernel.org/r/1445334889-300-3-git-send-email-bp@alien8.de Signed-off-by: Ingo Molnar <mingo@kernel.org>
80 lines
2.5 KiB
C
80 lines
2.5 KiB
C
#ifndef _ASM_X86_MICROCODE_INTEL_H
|
|
#define _ASM_X86_MICROCODE_INTEL_H
|
|
|
|
#include <asm/microcode.h>
|
|
|
|
struct microcode_header_intel {
|
|
unsigned int hdrver;
|
|
unsigned int rev;
|
|
unsigned int date;
|
|
unsigned int sig;
|
|
unsigned int cksum;
|
|
unsigned int ldrver;
|
|
unsigned int pf;
|
|
unsigned int datasize;
|
|
unsigned int totalsize;
|
|
unsigned int reserved[3];
|
|
};
|
|
|
|
struct microcode_intel {
|
|
struct microcode_header_intel hdr;
|
|
unsigned int bits[0];
|
|
};
|
|
|
|
/* microcode format is extended from prescott processors */
|
|
struct extended_signature {
|
|
unsigned int sig;
|
|
unsigned int pf;
|
|
unsigned int cksum;
|
|
};
|
|
|
|
struct extended_sigtable {
|
|
unsigned int count;
|
|
unsigned int cksum;
|
|
unsigned int reserved[3];
|
|
struct extended_signature sigs[0];
|
|
};
|
|
|
|
#define DEFAULT_UCODE_DATASIZE (2000)
|
|
#define MC_HEADER_SIZE (sizeof(struct microcode_header_intel))
|
|
#define DEFAULT_UCODE_TOTALSIZE (DEFAULT_UCODE_DATASIZE + MC_HEADER_SIZE)
|
|
#define EXT_HEADER_SIZE (sizeof(struct extended_sigtable))
|
|
#define EXT_SIGNATURE_SIZE (sizeof(struct extended_signature))
|
|
#define DWSIZE (sizeof(u32))
|
|
|
|
#define get_totalsize(mc) \
|
|
(((struct microcode_intel *)mc)->hdr.datasize ? \
|
|
((struct microcode_intel *)mc)->hdr.totalsize : \
|
|
DEFAULT_UCODE_TOTALSIZE)
|
|
|
|
#define get_datasize(mc) \
|
|
(((struct microcode_intel *)mc)->hdr.datasize ? \
|
|
((struct microcode_intel *)mc)->hdr.datasize : DEFAULT_UCODE_DATASIZE)
|
|
|
|
#define exttable_size(et) ((et)->count * EXT_SIGNATURE_SIZE + EXT_HEADER_SIZE)
|
|
|
|
extern int has_newer_microcode(void *mc, unsigned int csig, int cpf, int rev);
|
|
extern int microcode_sanity_check(void *mc, int print_err);
|
|
extern int find_matching_signature(void *mc, unsigned int csig, int cpf);
|
|
|
|
#ifdef CONFIG_MICROCODE_INTEL
|
|
extern void __init load_ucode_intel_bsp(void);
|
|
extern void load_ucode_intel_ap(void);
|
|
extern void show_ucode_info_early(void);
|
|
extern int __init save_microcode_in_initrd_intel(void);
|
|
void reload_ucode_intel(void);
|
|
#else
|
|
static inline __init void load_ucode_intel_bsp(void) {}
|
|
static inline void load_ucode_intel_ap(void) {}
|
|
static inline void show_ucode_info_early(void) {}
|
|
static inline int __init save_microcode_in_initrd_intel(void) { return -EINVAL; }
|
|
static inline void reload_ucode_intel(void) {}
|
|
#endif
|
|
|
|
#ifdef CONFIG_HOTPLUG_CPU
|
|
extern int save_mc_for_early(u8 *mc);
|
|
#else
|
|
static inline int save_mc_for_early(u8 *mc) { return 0; }
|
|
#endif
|
|
#endif /* _ASM_X86_MICROCODE_INTEL_H */
|