82ad097b02
Currently vendor specific headers are included explicitly when used in common code. Instead, include the vendor specific headers in microcode.h, and include that in all usages. No functional change. Suggested-by: Boris Petkov <bp@alien8.de> Signed-off-by: Ashok Raj <ashok.raj@intel.com> Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Borislav Petkov (AMD) <bp@alien8.de> Link: https://lore.kernel.org/r/20230812195727.776541545@linutronix.de
62 lines
1.8 KiB
C
62 lines
1.8 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
|
|
#ifndef _ASM_X86_MICROCODE_INTEL_H
|
|
#define _ASM_X86_MICROCODE_INTEL_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 metasize;
|
|
unsigned int reserved[2];
|
|
};
|
|
|
|
struct microcode_intel {
|
|
struct microcode_header_intel hdr;
|
|
unsigned int bits[];
|
|
};
|
|
|
|
#define MC_HEADER_SIZE (sizeof(struct microcode_header_intel))
|
|
#define MC_HEADER_TYPE_MICROCODE 1
|
|
#define MC_HEADER_TYPE_IFS 2
|
|
#define DEFAULT_UCODE_DATASIZE (2000)
|
|
|
|
#define get_datasize(mc) \
|
|
(((struct microcode_intel *)mc)->hdr.datasize ? \
|
|
((struct microcode_intel *)mc)->hdr.datasize : DEFAULT_UCODE_DATASIZE)
|
|
|
|
static inline u32 intel_get_microcode_revision(void)
|
|
{
|
|
u32 rev, dummy;
|
|
|
|
native_wrmsrl(MSR_IA32_UCODE_REV, 0);
|
|
|
|
/* As documented in the SDM: Do a CPUID 1 here */
|
|
native_cpuid_eax(1);
|
|
|
|
/* get the current revision from MSR 0x8B */
|
|
native_rdmsr(MSR_IA32_UCODE_REV, dummy, rev);
|
|
|
|
return rev;
|
|
}
|
|
|
|
#ifdef CONFIG_CPU_SUP_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
|
|
|
|
#endif /* _ASM_X86_MICROCODE_INTEL_H */
|