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#ifndef ASM_X86__MICROCODE_H
#define ASM_X86__MICROCODE_H
extern int microcode_init(void *opaque, struct module *module);
extern void microcode_exit(void);
struct cpu_signature;
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 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];
};
struct equiv_cpu_entry {
unsigned int installed_cpu;
unsigned int fixed_errata_mask;
unsigned int fixed_errata_compare;
unsigned int equiv_cpu;
};
struct microcode_header_amd {
unsigned int data_code;
unsigned int patch_id;
unsigned char mc_patch_data_id[2];
unsigned char mc_patch_data_len;
unsigned char init_flag;
unsigned int mc_patch_data_checksum;
unsigned int nb_dev_id;
unsigned int sb_dev_id;
unsigned char processor_rev_id[2];
unsigned char nb_rev_id;
unsigned char sb_rev_id;
unsigned char bios_api_rev;
unsigned char reserved1[3];
unsigned int match_reg[8];
};
struct microcode_amd {
struct microcode_header_amd hdr;
unsigned int mpb[0];
};
struct cpu_signature {
unsigned int sig;
unsigned int pf;
unsigned int rev;
};
struct ucode_cpu_info {
struct cpu_signature cpu_sig;
int valid;
union {
struct microcode_intel *mc_intel;
struct microcode_amd *mc_amd;
void *valid_mc;
} mc;
};
extern struct ucode_cpu_info ucode_cpu_info[];
#endif /* ASM_X86__MICROCODE_H */
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