/*
 * 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