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| author |   Al Viro <viro@zeniv.linux.org.uk> | 2008-08-17 21:05:42 -0400 |
|---|---|---|
| committer |   H. Peter Anvin <hpa@zytor.com> | 2008-10-22 22:55:20 -0700 |
| commit | bb8985586b7a906e116db835c64773b7a7d51663 (patch) | |
| tree | de93ae58e88cc563d95cc124a73f3930594c6100 /arch/x86/include/asm/microcode.h | |
| parent | x86, um: initial part of asm-um move (diff) | |
| download | wireguard-linux-bb8985586b7a906e116db835c64773b7a7d51663.tar.xz wireguard-linux-bb8985586b7a906e116db835c64773b7a7d51663.zip | |
x86, um: ... and asm-x86 move
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: H. Peter Anvin <hpa@zytor.com>
Diffstat (limited to 'arch/x86/include/asm/microcode.h')
| -rw-r--r-- | arch/x86/include/asm/microcode.h | 47 |
1 files changed, 47 insertions, 0 deletions
diff --git a/arch/x86/include/asm/microcode.h b/arch/x86/include/asm/microcode.h new file mode 100644 index 000000000000..62c793bb70ca --- /dev/null +++ b/arch/x86/include/asm/microcode.h @@ -0,0 +1,47 @@ +#ifndef ASM_X86__MICROCODE_H +#define ASM_X86__MICROCODE_H + +struct cpu_signature { + unsigned int sig; + unsigned int pf; + unsigned int rev; +}; + +struct device; + +struct microcode_ops { + int (*request_microcode_user) (int cpu, const void __user *buf, size_t size); + int (*request_microcode_fw) (int cpu, struct device *device); + + void (*apply_microcode) (int cpu); + + int (*collect_cpu_info) (int cpu, struct cpu_signature *csig); + void (*microcode_fini_cpu) (int cpu); +}; + +struct ucode_cpu_info { + struct cpu_signature cpu_sig; + int valid; + void *mc; +}; +extern struct ucode_cpu_info ucode_cpu_info[]; + +#ifdef CONFIG_MICROCODE_INTEL +extern struct microcode_ops * __init init_intel_microcode(void); +#else +static inline struct microcode_ops * __init init_intel_microcode(void) +{ + return NULL; +} +#endif /* CONFIG_MICROCODE_INTEL */ + +#ifdef CONFIG_MICROCODE_AMD +extern struct microcode_ops * __init init_amd_microcode(void); +#else +static inline struct microcode_ops * __init init_amd_microcode(void) +{ + return NULL; +} +#endif + +#endif /* ASM_X86__MICROCODE_H */ |