[mirror_ubuntu-artful-kernel.git] / include / asm-x86 / microcode.h

#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 */
Commit	Line	Data
d45de409 DA	1	#ifndef ASM_X86__MICROCODE_H
	2	#define ASM_X86__MICROCODE_H
	3
8d86f390 PO	4	extern int microcode_init(void opaque, struct module module);
	5	extern void microcode_exit(void);
	6
d45de409	7	struct cpu_signature;
a0a29b62	8	struct device;
d45de409	9
26bf7a48	10	struct microcode_ops {
a0a29b62 DA	11	int (request_microcode_user) (int cpu, const void __user buf, size_t size);
	12	int (request_microcode_fw) (int cpu, struct device device);
	13
	14	void (*apply_microcode) (int cpu);
	15
	16	int (collect_cpu_info) (int cpu, struct cpu_signature csig);
	17	void (*microcode_fini_cpu) (int cpu);
26bf7a48 PO	18	};
26bf7a48 PO	19
d4ee3668	20	struct microcode_header_intel {
9a56a0f8 PO	21	unsigned int hdrver;
	22	unsigned int rev;
	23	unsigned int date;
	24	unsigned int sig;
	25	unsigned int cksum;
	26	unsigned int ldrver;
	27	unsigned int pf;
	28	unsigned int datasize;
	29	unsigned int totalsize;
	30	unsigned int reserved[3];
	31	};
	32
d4ee3668 PO	33	struct microcode_intel {
d4ee3668 PO	34	struct microcode_header_intel hdr;
9a56a0f8 PO	35	unsigned int bits[0];
	36	};
	37
9a56a0f8 PO	38	/* microcode format is extended from prescott processors */
	39	struct extended_signature {
	40	unsigned int sig;
	41	unsigned int pf;
	42	unsigned int cksum;
	43	};
	44
	45	struct extended_sigtable {
	46	unsigned int count;
	47	unsigned int cksum;
	48	unsigned int reserved[3];
	49	struct extended_signature sigs[0];
	50	};
c3b71bce	51
9835fd4a PO	52	struct equiv_cpu_entry {
	53	unsigned int installed_cpu;
	54	unsigned int fixed_errata_mask;
	55	unsigned int fixed_errata_compare;
	56	unsigned int equiv_cpu;
	57	};
	58
	59	struct microcode_header_amd {
	60	unsigned int data_code;
	61	unsigned int patch_id;
	62	unsigned char mc_patch_data_id[2];
	63	unsigned char mc_patch_data_len;
	64	unsigned char init_flag;
	65	unsigned int mc_patch_data_checksum;
	66	unsigned int nb_dev_id;
	67	unsigned int sb_dev_id;
	68	unsigned char processor_rev_id[2];
	69	unsigned char nb_rev_id;
	70	unsigned char sb_rev_id;
	71	unsigned char bios_api_rev;
	72	unsigned char reserved1[3];
	73	unsigned int match_reg[8];
	74	};
	75
	76	struct microcode_amd {
	77	struct microcode_header_amd hdr;
	78	unsigned int mpb[0];
	79	};
	80
d45de409	81	struct cpu_signature {
c3b71bce PO	82	unsigned int sig;
	83	unsigned int pf;
	84	unsigned int rev;
d45de409 DA	85	};
	86
	87	struct ucode_cpu_info {
	88	struct cpu_signature cpu_sig;
	89	int valid;
d4ee3668 PO	90	union {
d4ee3668 PO	91	struct microcode_intel *mc_intel;
9835fd4a	92	struct microcode_amd *mc_amd;
d45de409	93	void *valid_mc;
d4ee3668	94	} mc;
c3b71bce	95	};
d45de409 DA	96	extern struct ucode_cpu_info ucode_cpu_info[];
	97
	98	#endif /* ASM_X86__MICROCODE_H */