/*

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

 * it under the terms of the GNU General Public License as published by

 * the Free Software Foundation; either version 2 of the License, or

 * (at your option) any later version.

 *

 * This program is distributed in the hope that 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, 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301,

 * USA.

 *

 * Copyright (C) IBM Corporation, 2006,2007

 *

 * Authors: 	Doug Maxey <dwm@austin.ibm.com>

 * 		Patrick Mansfield <patmans@us.ibm.com>

 *

 */

#ifndef FWPARAM_IBFT_H_

#define FWPARAM_IBFT_H_

/* #include <sys/types.h> */

#include <stdint.h>

#include "fw_context.h"

/*

 * Structures here are is based on Doug's original code, and Patrick's

 * interpretation of the IBM internal design document title the "iSCSI

 * Boot Firmware Table (iBFT)".

 */

#define iBFTSTR "iBFT"

#define iBFT_SIG { 'i','B','F','T' }

#define iBFT_REV 1

/*

 * These macros are lower case to make the verify_hdr macro easier.

 */

#define version_control	1

#define version_initiator	1

#define version_nic	1

#define version_target	1

#define version_extensions	1

enum ibft_id {

	id_control = 1,

	id_initiator,

	id_nic,

	id_target,

	id_extensions,

};

struct ibft_hdr {

	uint8_t id;

	uint8_t version;

	uint16_t length;

	uint8_t ind;

	uint8_t flags;

};

struct ibft_table_hdr {

	uint8_t signature[4];

	uint32_t length;

	uint8_t revision;

	uint8_t checksum;

	uint8_t oemid[6];

	uint8_t oem_table_id[8];

	uint8_t rsvd1[24];

} __attribute__((__packed__));

struct ibft_control {

	struct ibft_hdr hdr;

	uint16_t extensions;

	uint16_t initiator_off;

	uint16_t nic0_off;

	uint16_t tgt0_off;

	uint16_t nic1_off;

	uint16_t tgt1_off;

} __attribute__((__packed__));

struct ibft_initiator {

#define INIT_FLAG_VALID 1

#define INIT_FLAG_FW_SEL_BOOT 2

	struct ibft_hdr hdr;

	uint8_t isns_server[16];

	uint8_t slp_server[16];

	uint8_t pri_radius_server[16];

	uint8_t sec_radius_server[16];

	uint16_t initiator_name_len;

	uint16_t initiator_name_off;

} __attribute__((__packed__));

struct ibft_nic {

#define NIC_FLAG_VALID 1

#define NIC_FLAG_FW_SEL_BOOT 2

	struct ibft_hdr hdr;

	uint8_t ip_addr[16];

	uint8_t subnet_mask_prefix;

	uint8_t origin;

	uint8_t gateway[16];

	uint8_t primary_dns[16];

	uint8_t secondary_dns[16];

	uint8_t dhcp[16];

	uint16_t vlan;

	uint8_t mac[6];

	uint16_t pci_bdf;

	uint16_t hostname_len;

	uint16_t hostname_off;

} __attribute__((__packed__));

struct ibft_tgt {

#define TGT_FLAG_VALID 1

#define TGT_FLAG_FW_SEL_BOOT 2

#define TGT_FLAG_USE_RADIUS_CHAT 4

#define TGT_FLAG_USE_RADIUS_RCHAT 8

	struct ibft_hdr hdr;

	uint8_t ip_addr[16];

	uint16_t port;

	uint8_t lun[8];

#define TGT_CHAP 1

#define TGT_MUTUAL_CHAP 2

	uint8_t chap_type;

	uint8_t nic_assoc;

	uint16_t tgt_name_len;

	uint16_t tgt_name_off;

	uint16_t chap_name_len;

	uint16_t chap_name_off;

	uint16_t chap_secret_len;

	uint16_t chap_secret_off;

	uint16_t rev_chap_name_len;

	uint16_t rev_chap_name_off;

	uint16_t rev_chap_secret_len;

	uint16_t rev_chap_secret_off;

} __attribute__((__packed__));

/* Common variables */

#define FILENAMESZ (1024)

extern char filename[FILENAMESZ];

#define X86_DEFAULT_FILENAME "/dev/mem"

extern int debug;

extern int dev_count;

extern int fwparam_ibft(struct boot_context *context, const char *filepath);

#endif /* FWPARAM_IBFT_H_ */