[dragonfly.git] / sys / platform / pc64 / include / pc / bios.h

/*-
 * Copyright (c) 1997 Michael Smith
 * Copyright (c) 1998 Jonathan Lemon
 * Copyright (c) 2008 The DragonFly Project.
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 *
 * $FreeBSD$
 * $DragonFly: src/sys/platform/pc64/include/pc/bios.h,v 1.1 2008/08/29 17:07:18 dillon Exp $
 */

#ifndef _MACHINE_PC_BIOS_H_
#define _MACHINE_PC_BIOS_H_

extern u_int32_t	bios_sigsearch(u_int32_t start, u_char *sig, int siglen, 
					 int paralen, int sigofs);

#define BIOS_PADDRTOVADDR(x)	((x) + KERNBASE)
#define BIOS_VADDRTOPADDR(x)	((x) - KERNBASE)

/*
 * Int 15:E820 'SMAP' structure
 */

#define SMAP_SIG	0x534D4150			/* 'SMAP' */

#define	SMAP_TYPE_MEMORY	1
#define	SMAP_TYPE_RESERVED	2
#define	SMAP_TYPE_ACPI_RECLAIM	3
#define	SMAP_TYPE_ACPI_NVS	4
#define	SMAP_TYPE_ACPI_ERROR	5

struct bios_smap {
    u_int64_t	base;
    u_int64_t	length;
    u_int32_t	type;
} __packed;

struct bios_oem_signature {
	char * anchor;		/* search anchor string in BIOS memory */
	size_t offset;		/* offset from anchor (may be negative) */
	size_t totlen;		/* total length of BIOS string to copy */
} __packed;
struct bios_oem_range {
	u_int from;		/* shouldn't be below 0xe0000 */
	u_int to;		/* shouldn't be above 0xfffff */
} __packed;
struct bios_oem {
	struct bios_oem_range range;
	struct bios_oem_signature signature[];
} __packed;

extern int
bios_oem_strings(struct bios_oem *oem, u_char *buffer, size_t maxlen);

/*
 * System Management BIOS
 */
#define	SMBIOS_START	0xf0000
#define	SMBIOS_STEP	0x10
#define	SMBIOS_OFF	0
#define	SMBIOS_LEN	4
#define	SMBIOS_SIG	"_SM_"

struct smbios_eps {
	uint8_t		anchor_string[4];		/* '_SM_' */
	uint8_t		checksum;
	uint8_t		length;
	uint8_t		major_version;
	uint8_t		minor_version;
	uint16_t	maximum_structure_size;
	uint8_t		entry_point_revision;
	uint8_t		formatted_area[5];
	uint8_t		intermediate_anchor_string[5];	/* '_DMI_' */
	uint8_t		intermediate_checksum;
	uint16_t	structure_table_length;
	uint32_t	structure_table_address;
	uint16_t	number_structures;
	uint8_t		BCD_revision;
};

struct smbios_structure_header {
	uint8_t		type;
	uint8_t		length;
	uint16_t	handle;
};

#endif /* _MACHINE_PC_BIOS_H_ */
Commit	Line	Data
c8fe38ae MD	1	/*-
	2	* Copyright (c) 1997 Michael Smith
	3	* Copyright (c) 1998 Jonathan Lemon
	4	* Copyright (c) 2008 The DragonFly Project.
	5	* All rights reserved.
	6	*
	7	* Redistribution and use in source and binary forms, with or without
	8	* modification, are permitted provided that the following conditions
	9	* are met:
	10	* 1. Redistributions of source code must retain the above copyright
	11	* notice, this list of conditions and the following disclaimer.
	12	* 2. Redistributions in binary form must reproduce the above copyright
	13	* notice, this list of conditions and the following disclaimer in the
	14	* documentation and/or other materials provided with the distribution.
	15	*
	16	* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
	17	* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
	18	* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
	19	* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
	20	* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
	21	* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
	22	* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
	23	* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
	24	* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
	25	* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
	26	* SUCH DAMAGE.
	27	*
	28	* $FreeBSD$
	29	* $DragonFly: src/sys/platform/pc64/include/pc/bios.h,v 1.1 2008/08/29 17:07:18 dillon Exp $
	30	*/
	31
	32	#ifndef _MACHINE_PC_BIOS_H_
	33	#define _MACHINE_PC_BIOS_H_
	34
	35	extern u_int32_t bios_sigsearch(u_int32_t start, u_char *sig, int siglen,
	36	int paralen, int sigofs);
	37
	38	#define BIOS_PADDRTOVADDR(x) ((x) + KERNBASE)
	39	#define BIOS_VADDRTOPADDR(x) ((x) - KERNBASE)
	40
	41	/*
	42	* Int 15:E820 'SMAP' structure
	43	*/
	44
	45	#define SMAP_SIG 0x534D4150 /* 'SMAP' */
	46
	47	#define SMAP_TYPE_MEMORY 1
	48	#define SMAP_TYPE_RESERVED 2
	49	#define SMAP_TYPE_ACPI_RECLAIM 3
	50	#define SMAP_TYPE_ACPI_NVS 4
	51	#define SMAP_TYPE_ACPI_ERROR 5
	52
	53	struct bios_smap {
	54	u_int64_t base;
	55	u_int64_t length;
	56	u_int32_t type;
	57	} __packed;
	58
	59	struct bios_oem_signature {
	60	char * anchor; /* search anchor string in BIOS memory */
	61	size_t offset; /* offset from anchor (may be negative) */
	62	size_t totlen; /* total length of BIOS string to copy */
	63	} __packed;
	64	struct bios_oem_range {
65	u_int from; /* shouldn't be below 0xe0000 */
66	u_int to; /* shouldn't be above 0xfffff */
67	} __packed;
68	struct bios_oem {
69	struct bios_oem_range range;
70	struct bios_oem_signature signature[];
71	} __packed;
72
73	extern int
74	bios_oem_strings(struct bios_oem oem, u_char buffer, size_t maxlen);
75
53a374c1 SW	76	/*
	77	* System Management BIOS
	78	*/
	79	#define SMBIOS_START 0xf0000
	80	#define SMBIOS_STEP 0x10
	81	#define SMBIOS_OFF 0
	82	#define SMBIOS_LEN 4
	83	#define SMBIOS_SIG "_SM_"
	84
	85	struct smbios_eps {
	86	uint8_t anchor_string[4]; /* '_SM_' */
	87	uint8_t checksum;
	88	uint8_t length;
	89	uint8_t major_version;
	90	uint8_t minor_version;
	91	uint16_t maximum_structure_size;
	92	uint8_t entry_point_revision;
	93	uint8_t formatted_area[5];
	94	uint8_t intermediate_anchor_string[5]; /* '_DMI_' */
	95	uint8_t intermediate_checksum;
	96	uint16_t structure_table_length;
	97	uint32_t structure_table_address;
	98	uint16_t number_structures;
	99	uint8_t BCD_revision;
	100	};
	101
	102	struct smbios_structure_header {
	103	uint8_t type;
	104	uint8_t length;
	105	uint16_t handle;
	106	};
c8fe38ae MD	107
c8fe38ae MD	108	#endif /* _MACHINE_PC_BIOS_H_ */