/*

 * Intel(R) Enclosure LED Utilities

 * Copyright (C) 2009-2021 Intel Corporation.

 *

 * This program is free software; you can redistribute it and/or modify it

 * under the terms and conditions of the GNU General Public License,

 * version 2, as published by the Free Software Foundation.

 *

 * This program is distributed in the hope it will be useful, but WITHOUT

 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for

 * more details.

 *

 * You should have received a copy of the GNU General Public License along with

 * this program; if not, write to the Free Software Foundation, Inc.,

 * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.

 *

 */

#ifndef _SES_H_INCLUDED_

#define _SES_H_INCLUDED_

#include <asm/types.h>

#include "ibpi.h"

/* Size of buffer for SES-2 Messages. */

#define SES_ALLOC_BUFF 4096

typedef enum __attribute__((packed)) {

	SES_UNSPECIFIED		= 0x00,

	SES_DEVICE_SLOT		= 0x01,

	SES_ARRAY_DEVICE_SLOT	= 0x17,

} element_type;

struct ses_page {

	unsigned char buf[SES_ALLOC_BUFF];

	int len;

};

struct type_descriptor_header {

	element_type element_type;

	__u8 num_of_elements;

	__u8 subenclosure_id;

	__u8 type_desc_text_len;

};

struct ses_pages {

	struct ses_page page1;

	struct ses_page page2;

	struct ses_page page10;

	const struct type_descriptor_header *page1_types;

	int page1_types_len;

	int changes;

};

struct ses_slot_ctrl_elem {

	union {

		struct {

			__u8 common_control;

			__u8 array_slot_control;

			__u8 b2;

			__u8 b3;

		};

		__u8 b[4];

	};

};

struct ses_slot {

	int index;

	uint64_t sas_addr;

};

int ses_load_pages(int fd, struct ses_pages *sp);

int ses_write_msg(enum ibpi_pattern ibpi, struct ses_pages *sp, int idx);

int ses_send_diag(int fd, struct ses_pages *sp);

int ses_get_slots(struct ses_pages *sp, struct ses_slot **out_slots, int *out_slots_count);

#endif