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PKMxFZ��>##scsi_ioctl.hnu�[���/* Copyright (C) 1999-2018 Free Software Foundation, Inc.
   This file is part of the GNU C Library.

   The GNU C Library is free software; you can redistribute it and/or
   modify it under the terms of the GNU Lesser General Public
   License as published by the Free Software Foundation; either
   version 2.1 of the License, or (at your option) any later version.

   The GNU C Library 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
   Lesser General Public License for more details.

   You should have received a copy of the GNU Lesser General Public
   License along with the GNU C Library; if not, see
   <http://www.gnu.org/licenses/>.  */

#ifndef _SCSI_IOCTL_H
#define _SCSI_IOCTL_H

/* IOCTLs for SCSI.  */
#define SCSI_IOCTL_SEND_COMMAND		1	/* Send a command to the SCSI host.  */
#define SCSI_IOCTL_TEST_UNIT_READY	2	/* Test if unit is ready.  */
#define SCSI_IOCTL_BENCHMARK_COMMAND	3
#define SCSI_IOCTL_SYNC			4	/* Request synchronous parameters.  */
#define SCSI_IOCTL_START_UNIT		5
#define SCSI_IOCTL_STOP_UNIT		6
#define SCSI_IOCTL_DOORLOCK		0x5380	/* Lock the eject mechanism.  */
#define SCSI_IOCTL_DOORUNLOCK		0x5381	/* Unlock the mechanism.  */

#endif
PKMxFZ��?�q"q"
scsi_bsg_fc.hnu�[���/* SPDX-License-Identifier: GPL-2.0+ WITH Linux-syscall-note */
/*
 *  FC Transport BSG Interface
 *
 *  Copyright (C) 2008   James Smart, Emulex Corporation
 *
 *  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, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 *
 */

#ifndef SCSI_BSG_FC_H
#define SCSI_BSG_FC_H

/*
 * This file intended to be included by both kernel and user space
 */

/*
 * FC Transport SGIO v4 BSG Message Support
 */

/* Default BSG request timeout (in seconds) */
#define FC_DEFAULT_BSG_TIMEOUT		(10 * HZ)


/*
 * Request Message Codes supported by the FC Transport
 */

/* define the class masks for the message codes */
#define FC_BSG_CLS_MASK		0xF0000000	/* find object class */
#define FC_BSG_HST_MASK		0x80000000	/* fc host class */
#define FC_BSG_RPT_MASK		0x40000000	/* fc rport class */

	/* fc_host Message Codes */
#define FC_BSG_HST_ADD_RPORT		(FC_BSG_HST_MASK | 0x00000001)
#define FC_BSG_HST_DEL_RPORT		(FC_BSG_HST_MASK | 0x00000002)
#define FC_BSG_HST_ELS_NOLOGIN		(FC_BSG_HST_MASK | 0x00000003)
#define FC_BSG_HST_CT			(FC_BSG_HST_MASK | 0x00000004)
#define FC_BSG_HST_VENDOR		(FC_BSG_HST_MASK | 0x000000FF)

	/* fc_rport Message Codes */
#define FC_BSG_RPT_ELS			(FC_BSG_RPT_MASK | 0x00000001)
#define FC_BSG_RPT_CT			(FC_BSG_RPT_MASK | 0x00000002)



/*
 * FC Address Identifiers in Message Structures :
 *
 *   Whenever a command payload contains a FC Address Identifier
 *   (aka port_id), the value is effectively in big-endian
 *   order, thus the array elements are decoded as follows:
 *     element [0] is bits 23:16 of the FC Address Identifier
 *     element [1] is bits 15:8 of the FC Address Identifier
 *     element [2] is bits 7:0 of the FC Address Identifier
 */


/*
 * FC Host Messages
 */

/* FC_BSG_HST_ADDR_PORT : */

/* Request:
 * This message requests the FC host to login to the remote port
 * at the specified N_Port_Id.  The remote port is to be enumerated
 * with the transport upon completion of the login.
 */
struct fc_bsg_host_add_rport {
	uint8_t		reserved;

	/* FC Address Identier of the remote port to login to */
	uint8_t		port_id[3];
};

/* Response:
 * There is no additional response data - fc_bsg_reply->result is sufficient
 */


/* FC_BSG_HST_DEL_RPORT : */

/* Request:
 * This message requests the FC host to remove an enumerated
 * remote port and to terminate the login to it.
 *
 * Note: The driver is free to reject this request if it desires to
 * remain logged in with the remote port.
 */
struct fc_bsg_host_del_rport {
	uint8_t		reserved;

	/* FC Address Identier of the remote port to logout of */
	uint8_t		port_id[3];
};

/* Response:
 * There is no additional response data - fc_bsg_reply->result is sufficient
 */


/* FC_BSG_HST_ELS_NOLOGIN : */

/* Request:
 * This message requests the FC_Host to send an ELS to a specific
 * N_Port_ID. The host does not need to log into the remote port,
 * nor does it need to enumerate the rport for further traffic
 * (although, the FC host is free to do so if it desires).
 */
struct fc_bsg_host_els {
	/*
	 * ELS Command Code being sent (must be the same as byte 0
	 * of the payload)
	 */
	uint8_t 	command_code;

	/* FC Address Identier of the remote port to send the ELS to */
	uint8_t		port_id[3];
};

/* Response:
 */
/* fc_bsg_ctels_reply->status values */
#define FC_CTELS_STATUS_OK	0x00000000
#define FC_CTELS_STATUS_REJECT	0x00000001
#define FC_CTELS_STATUS_P_RJT	0x00000002
#define FC_CTELS_STATUS_F_RJT	0x00000003
#define FC_CTELS_STATUS_P_BSY	0x00000004
#define FC_CTELS_STATUS_F_BSY	0x00000006
struct fc_bsg_ctels_reply {
	/*
	 * Note: An ELS LS_RJT may be reported in 2 ways:
	 *  a) A status of FC_CTELS_STATUS_OK is returned. The caller
	 *     is to look into the ELS receive payload to determine
	 *     LS_ACC or LS_RJT (by contents of word 0). The reject
	 *     data will be in word 1.
	 *  b) A status of FC_CTELS_STATUS_REJECT is returned, The
	 *     rjt_data field will contain valid data.
	 *
	 * Note: ELS LS_ACC is determined by an FC_CTELS_STATUS_OK, and
	 *   the receive payload word 0 indicates LS_ACC
	 *   (e.g. value is 0x02xxxxxx).
	 *
	 * Note: Similarly, a CT Reject may be reported in 2 ways:
	 *  a) A status of FC_CTELS_STATUS_OK is returned. The caller
	 *     is to look into the CT receive payload to determine
	 *     Accept or Reject (by contents of word 2). The reject
	 *     data will be in word 3.
	 *  b) A status of FC_CTELS_STATUS_REJECT is returned, The
	 *     rjt_data field will contain valid data.
	 *
	 * Note: x_RJT/BSY status will indicae that the rjt_data field
	 *   is valid and contains the reason/explanation values.
	 */
	uint32_t	status;		/* See FC_CTELS_STATUS_xxx */

	/* valid if status is not FC_CTELS_STATUS_OK */
	struct	{
		uint8_t	action;		/* fragment_id for CT REJECT */
		uint8_t	reason_code;
		uint8_t	reason_explanation;
		uint8_t	vendor_unique;
	} rjt_data;
};


/* FC_BSG_HST_CT : */

/* Request:
 * This message requests that a CT Request be performed with the
 * indicated N_Port_ID. The driver is responsible for logging in with
 * the fabric and/or N_Port_ID, etc as per FC rules. This request does
 * not mandate that the driver must enumerate the destination in the
 * transport. The driver is allowed to decide whether to enumerate it,
 * and whether to tear it down after the request.
 */
struct fc_bsg_host_ct {
	uint8_t		reserved;

	/* FC Address Identier of the remote port to send the ELS to */
	uint8_t		port_id[3];

	/*
	 * We need words 0-2 of the generic preamble for the LLD's
	 */
	uint32_t	preamble_word0;	/* revision & IN_ID */
	uint32_t	preamble_word1;	/* GS_Type, GS_SubType, Options, Rsvd */
	uint32_t	preamble_word2;	/* Cmd Code, Max Size */

};
/* Response:
 *
 * The reply structure is an fc_bsg_ctels_reply structure
 */


/* FC_BSG_HST_VENDOR : */

/* Request:
 * Note: When specifying vendor_id, be sure to read the Vendor Type and ID
 *   formatting requirements specified in scsi_netlink.h
 */
struct fc_bsg_host_vendor {
	/*
	 * Identifies the vendor that the message is formatted for. This
	 * should be the recipient of the message.
	 */
	uint64_t vendor_id;

	/* start of vendor command area */
	uint32_t vendor_cmd[0];
};

/* Response:
 */
struct fc_bsg_host_vendor_reply {
	/* start of vendor response area */
	uint32_t vendor_rsp[0];
};



/*
 * FC Remote Port Messages
 */

/* FC_BSG_RPT_ELS : */

/* Request:
 * This message requests that an ELS be performed with the rport.
 */
struct fc_bsg_rport_els {
	/*
	 * ELS Command Code being sent (must be the same as
	 * byte 0 of the payload)
	 */
	uint8_t els_code;
};

/* Response:
 *
 * The reply structure is an fc_bsg_ctels_reply structure
 */


/* FC_BSG_RPT_CT : */

/* Request:
 * This message requests that a CT Request be performed with the rport.
 */
struct fc_bsg_rport_ct {
	/*
	 * We need words 0-2 of the generic preamble for the LLD's
	 */
	uint32_t	preamble_word0;	/* revision & IN_ID */
	uint32_t	preamble_word1;	/* GS_Type, GS_SubType, Options, Rsvd */
	uint32_t	preamble_word2;	/* Cmd Code, Max Size */
};
/* Response:
 *
 * The reply structure is an fc_bsg_ctels_reply structure
 */




/* request (CDB) structure of the sg_io_v4 */
struct fc_bsg_request {
	uint32_t msgcode;
	union {
		struct fc_bsg_host_add_rport	h_addrport;
		struct fc_bsg_host_del_rport	h_delrport;
		struct fc_bsg_host_els		h_els;
		struct fc_bsg_host_ct		h_ct;
		struct fc_bsg_host_vendor	h_vendor;

		struct fc_bsg_rport_els		r_els;
		struct fc_bsg_rport_ct		r_ct;
	} rqst_data;
} __attribute__((packed));


/* response (request sense data) structure of the sg_io_v4 */
struct fc_bsg_reply {
	/*
	 * The completion result. Result exists in two forms:
	 *  if negative, it is an -Exxx system errno value. There will
	 *    be no further reply information supplied.
	 *  else, it's the 4-byte scsi error result, with driver, host,
	 *    msg and status fields. The per-msgcode reply structure
	 *    will contain valid data.
	 */
	uint32_t result;

	/* If there was reply_payload, how much was recevied ? */
	uint32_t reply_payload_rcv_len;

	union {
		struct fc_bsg_host_vendor_reply		vendor_reply;

		struct fc_bsg_ctels_reply		ctels_reply;
	} reply_data;
};


#endif /* SCSI_BSG_FC_H */

PKMxFZ�h2�O0O0
fc/fc_fs.hnu�[���/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
/*
 * Copyright(c) 2007 Intel Corporation. All rights reserved.
 *
 * 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.
 *
 * Maintained at www.Open-FCoE.org
 */

#ifndef _FC_FS_H_
#define _FC_FS_H_

#include <linux/types.h>

/*
 * Fibre Channel Framing and Signalling definitions.
 * From T11 FC-FS-2 Rev 0.90 - 9 August 2005.
 */

/*
 * Frame header
 */
struct fc_frame_header {
	__u8          fh_r_ctl;	/* routing control */
	__u8          fh_d_id[3];	/* Destination ID */

	__u8          fh_cs_ctl;	/* class of service control / pri */
	__u8          fh_s_id[3];	/* Source ID */

	__u8          fh_type;		/* see enum fc_fh_type below */
	__u8          fh_f_ctl[3];	/* frame control */

	__u8          fh_seq_id;	/* sequence ID */
	__u8          fh_df_ctl;	/* data field control */
	__be16        fh_seq_cnt;	/* sequence count */

	__be16        fh_ox_id;		/* originator exchange ID */
	__be16        fh_rx_id;		/* responder exchange ID */
	__be32        fh_parm_offset;	/* parameter or relative offset */
};

#define FC_FRAME_HEADER_LEN 24	/* expected length of structure */

#define FC_MAX_PAYLOAD  2112U		/* max payload length in bytes */
#define FC_MIN_MAX_PAYLOAD  256U 	/* lower limit on max payload */

#define FC_MAX_FRAME	(FC_MAX_PAYLOAD + FC_FRAME_HEADER_LEN)
#define FC_MIN_MAX_FRAME (FC_MIN_MAX_PAYLOAD + FC_FRAME_HEADER_LEN)

/*
 * fh_r_ctl - Routing control definitions.
 */
    /*
     * FC-4 device_data.
     */
enum fc_rctl {
	FC_RCTL_DD_UNCAT = 0x00,	/* uncategorized information */
	FC_RCTL_DD_SOL_DATA = 0x01,	/* solicited data */
	FC_RCTL_DD_UNSOL_CTL = 0x02,	/* unsolicited control */
	FC_RCTL_DD_SOL_CTL = 0x03,	/* solicited control or reply */
	FC_RCTL_DD_UNSOL_DATA = 0x04,	/* unsolicited data */
	FC_RCTL_DD_DATA_DESC = 0x05,	/* data descriptor */
	FC_RCTL_DD_UNSOL_CMD = 0x06,	/* unsolicited command */
	FC_RCTL_DD_CMD_STATUS = 0x07,	/* command status */

#define FC_RCTL_ILS_REQ FC_RCTL_DD_UNSOL_CTL	/* ILS request */
#define FC_RCTL_ILS_REP FC_RCTL_DD_SOL_CTL	/* ILS reply */

	/*
	 * Extended Link_Data
	 */
	FC_RCTL_ELS_REQ = 0x22,	/* extended link services request */
	FC_RCTL_ELS_REP = 0x23,	/* extended link services reply */
	FC_RCTL_ELS4_REQ = 0x32, /* FC-4 ELS request */
	FC_RCTL_ELS4_REP = 0x33, /* FC-4 ELS reply */
	/*
	 * Optional Extended Headers
	 */
	FC_RCTL_VFTH = 0x50,	/* virtual fabric tagging header */
	FC_RCTL_IFRH = 0x51,	/* inter-fabric routing header */
	FC_RCTL_ENCH = 0x52,	/* encapsulation header */
	/*
	 * Basic Link Services fh_r_ctl values.
	 */
	FC_RCTL_BA_NOP = 0x80,	/* basic link service NOP */
	FC_RCTL_BA_ABTS = 0x81,	/* basic link service abort */
	FC_RCTL_BA_RMC = 0x82,	/* remove connection */
	FC_RCTL_BA_ACC = 0x84,	/* basic accept */
	FC_RCTL_BA_RJT = 0x85,	/* basic reject */
	FC_RCTL_BA_PRMT = 0x86,	/* dedicated connection preempted */
	/*
	 * Link Control Information.
	 */
	FC_RCTL_ACK_1 = 0xc0,	/* acknowledge_1 */
	FC_RCTL_ACK_0 = 0xc1,	/* acknowledge_0 */
	FC_RCTL_P_RJT = 0xc2,	/* port reject */
	FC_RCTL_F_RJT = 0xc3,	/* fabric reject */
	FC_RCTL_P_BSY = 0xc4,	/* port busy */
	FC_RCTL_F_BSY = 0xc5,	/* fabric busy to data frame */
	FC_RCTL_F_BSYL = 0xc6,	/* fabric busy to link control frame */
	FC_RCTL_LCR = 0xc7,	/* link credit reset */
	FC_RCTL_END = 0xc9,	/* end */
};
				    /* incomplete list of definitions */

/*
 * R_CTL names initializer.
 * Please keep this matching the above definitions.
 */
#define FC_RCTL_NAMES_INIT { \
	[FC_RCTL_DD_UNCAT] =		"uncat",			\
	[FC_RCTL_DD_SOL_DATA] =		"sol data",			\
	[FC_RCTL_DD_UNSOL_CTL] =	"unsol ctl",			\
	[FC_RCTL_DD_SOL_CTL] =		"sol ctl/reply",		\
	[FC_RCTL_DD_UNSOL_DATA] =	"unsol data",			\
	[FC_RCTL_DD_DATA_DESC] =	"data desc",			\
	[FC_RCTL_DD_UNSOL_CMD] =	"unsol cmd",			\
	[FC_RCTL_DD_CMD_STATUS] =	"cmd status",			\
	[FC_RCTL_ELS_REQ] =		"ELS req",			\
	[FC_RCTL_ELS_REP] =		"ELS rep",			\
	[FC_RCTL_ELS4_REQ] =		"FC-4 ELS req",			\
	[FC_RCTL_ELS4_REP] =		"FC-4 ELS rep",			\
	[FC_RCTL_BA_NOP] =		"BLS NOP",			\
	[FC_RCTL_BA_ABTS] =		"BLS abort",			\
	[FC_RCTL_BA_RMC] =		"BLS remove connection",	\
	[FC_RCTL_BA_ACC] =		"BLS accept",			\
	[FC_RCTL_BA_RJT] =		"BLS reject",			\
	[FC_RCTL_BA_PRMT] =		"BLS dedicated connection preempted", \
	[FC_RCTL_ACK_1] =		"LC ACK_1",			\
	[FC_RCTL_ACK_0] =		"LC ACK_0",			\
	[FC_RCTL_P_RJT] =		"LC port reject",		\
	[FC_RCTL_F_RJT] =		"LC fabric reject",		\
	[FC_RCTL_P_BSY] =		"LC port busy",			\
	[FC_RCTL_F_BSY] =		"LC fabric busy to data frame",	\
	[FC_RCTL_F_BSYL] =		"LC fabric busy to link control frame",\
	[FC_RCTL_LCR] =			"LC link credit reset",		\
	[FC_RCTL_END] =			"LC end",			\
}

/*
 * Well-known fabric addresses.
 */
enum fc_well_known_fid {
	FC_FID_NONE =           0x000000,       /* No destination */
	FC_FID_BCAST =		0xffffff,	/* broadcast */
	FC_FID_FLOGI =		0xfffffe,	/* fabric login */
	FC_FID_FCTRL =		0xfffffd,	/* fabric controller */
	FC_FID_DIR_SERV =	0xfffffc,	/* directory server */
	FC_FID_TIME_SERV =	0xfffffb,	/* time server */
	FC_FID_MGMT_SERV =	0xfffffa,	/* management server */
	FC_FID_QOS =		0xfffff9,	/* QoS Facilitator */
	FC_FID_ALIASES =	0xfffff8,	/* alias server (FC-PH2) */
	FC_FID_SEC_KEY =	0xfffff7,	/* Security key dist. server */
	FC_FID_CLOCK =		0xfffff6,	/* clock synch server */
	FC_FID_MCAST_SERV =	0xfffff5,	/* multicast server */
};

#define	FC_FID_WELL_KNOWN_MAX	0xffffff /* highest well-known fabric ID */
#define	FC_FID_WELL_KNOWN_BASE	0xfffff5 /* start of well-known fabric ID */

/*
 * Other well-known addresses, outside the above contiguous range.
 */
#define	FC_FID_DOM_MGR		0xfffc00	/* domain manager base */

/*
 * Fabric ID bytes.
 */
#define	FC_FID_DOMAIN		0
#define	FC_FID_PORT		1
#define	FC_FID_LINK		2

/*
 * fh_type codes
 */
enum fc_fh_type {
	FC_TYPE_BLS =	0x00,	/* basic link service */
	FC_TYPE_ELS =	0x01,	/* extended link service */
	FC_TYPE_IP =	0x05,	/* IP over FC, RFC 4338 */
	FC_TYPE_FCP =	0x08,	/* SCSI FCP */
	FC_TYPE_CT =	0x20,	/* Fibre Channel Services (FC-CT) */
	FC_TYPE_ILS =	0x22,	/* internal link service */
	FC_TYPE_NVME =	0x28,	/* FC-NVME */
};

/*
 * FC_TYPE names initializer.
 * Please keep this matching the above definitions.
 */
#define FC_TYPE_NAMES_INIT {				\
	[FC_TYPE_BLS] =		"BLS",			\
	[FC_TYPE_ELS] =		"ELS",			\
	[FC_TYPE_IP] =		"IP",			\
	[FC_TYPE_FCP] =		"FCP",			\
	[FC_TYPE_CT] =		"CT",			\
	[FC_TYPE_ILS] =		"ILS",			\
	[FC_TYPE_NVME] =	"NVME",			\
}

/*
 * Exchange IDs.
 */
#define FC_XID_UNKNOWN  0xffff	/* unknown exchange ID */
#define FC_XID_MIN	0x0	/* supported min exchange ID */
#define FC_XID_MAX	0xfffe	/* supported max exchange ID */

/*
 * fh_f_ctl - Frame control flags.
 */
#define	FC_FC_EX_CTX	(1 << 23)	/* sent by responder to exchange */
#define	FC_FC_SEQ_CTX	(1 << 22)	/* sent by responder to sequence */
#define	FC_FC_FIRST_SEQ (1 << 21)	/* first sequence of this exchange */
#define	FC_FC_LAST_SEQ	(1 << 20)	/* last sequence of this exchange */
#define	FC_FC_END_SEQ	(1 << 19)	/* last frame of sequence */
#define	FC_FC_END_CONN	(1 << 18)	/* end of class 1 connection pending */
#define	FC_FC_RES_B17	(1 << 17)	/* reserved */
#define	FC_FC_SEQ_INIT	(1 << 16)	/* transfer of sequence initiative */
#define	FC_FC_X_ID_REASS (1 << 15)	/* exchange ID has been changed */
#define	FC_FC_X_ID_INVAL (1 << 14)	/* exchange ID invalidated */

#define	FC_FC_ACK_1	(1 << 12)	/* 13:12 = 1: ACK_1 expected */
#define	FC_FC_ACK_N	(2 << 12)	/* 13:12 = 2: ACK_N expected */
#define	FC_FC_ACK_0	(3 << 12)	/* 13:12 = 3: ACK_0 expected */

#define	FC_FC_RES_B11	(1 << 11)	/* reserved */
#define	FC_FC_RES_B10	(1 << 10)	/* reserved */
#define	FC_FC_RETX_SEQ	(1 << 9)	/* retransmitted sequence */
#define	FC_FC_UNI_TX	(1 << 8)	/* unidirectional transmit (class 1) */
#define	FC_FC_CONT_SEQ(i) ((i) << 6)
#define	FC_FC_ABT_SEQ(i) ((i) << 4)
#define	FC_FC_REL_OFF	(1 << 3)	/* parameter is relative offset */
#define	FC_FC_RES2	(1 << 2)	/* reserved */
#define	FC_FC_FILL(i)	((i) & 3)	/* 1:0: bytes of trailing fill */

/*
 * BA_ACC payload.
 */
struct fc_ba_acc {
	__u8		ba_seq_id_val;	/* SEQ_ID validity */
#define FC_BA_SEQ_ID_VAL 0x80
	__u8		ba_seq_id;	/* SEQ_ID of seq last deliverable */
	__u8		ba_resvd[2];	/* reserved */
	__be16		ba_ox_id;	/* OX_ID for aborted seq or exch */
	__be16		ba_rx_id;	/* RX_ID for aborted seq or exch */
	__be16		ba_low_seq_cnt;	/* low SEQ_CNT of aborted seq */
	__be16		ba_high_seq_cnt; /* high SEQ_CNT of aborted seq */
};

/*
 * BA_RJT: Basic Reject payload.
 */
struct fc_ba_rjt {
	__u8		br_resvd;	/* reserved */
	__u8		br_reason;	/* reason code */
	__u8		br_explan;	/* reason explanation */
	__u8		br_vendor;	/* vendor unique code */
};

/*
 * BA_RJT reason codes.
 * From FS-2.
 */
enum fc_ba_rjt_reason {
	FC_BA_RJT_NONE =	0,	/* in software this means no reject */
	FC_BA_RJT_INVL_CMD =	0x01,	/* invalid command code */
	FC_BA_RJT_LOG_ERR =	0x03,	/* logical error */
	FC_BA_RJT_LOG_BUSY =	0x05,	/* logical busy */
	FC_BA_RJT_PROTO_ERR =	0x07,	/* protocol error */
	FC_BA_RJT_UNABLE =	0x09,	/* unable to perform request */
	FC_BA_RJT_VENDOR =	0xff,	/* vendor-specific (see br_vendor) */
};

/*
 * BA_RJT reason code explanations.
 */
enum fc_ba_rjt_explan {
	FC_BA_RJT_EXP_NONE =	0x00,	/* no additional expanation */
	FC_BA_RJT_INV_XID =	0x03,	/* invalid OX_ID-RX_ID combination */
	FC_BA_RJT_ABT =		0x05,	/* sequence aborted, no seq info */
};

/*
 * P_RJT or F_RJT: Port Reject or Fabric Reject parameter field.
 */
struct fc_pf_rjt {
	__u8		rj_action;	/* reserved */
	__u8		rj_reason;	/* reason code */
	__u8		rj_resvd;	/* reserved */
	__u8		rj_vendor;	/* vendor unique code */
};

/*
 * P_RJT and F_RJT reject reason codes.
 */
enum fc_pf_rjt_reason {
	FC_RJT_NONE =		0,	/* non-reject (reserved by standard) */
	FC_RJT_INVL_DID =	0x01,	/* invalid destination ID */
	FC_RJT_INVL_SID =	0x02,	/* invalid source ID */
	FC_RJT_P_UNAV_T =	0x03,	/* port unavailable, temporary */
	FC_RJT_P_UNAV =		0x04,	/* port unavailable, permanent */
	FC_RJT_CLS_UNSUP =	0x05,	/* class not supported */
	FC_RJT_DEL_USAGE =	0x06,	/* delimiter usage error */
	FC_RJT_TYPE_UNSUP =	0x07,	/* type not supported */
	FC_RJT_LINK_CTL =	0x08,	/* invalid link control */
	FC_RJT_R_CTL =		0x09,	/* invalid R_CTL field */
	FC_RJT_F_CTL =		0x0a,	/* invalid F_CTL field */
	FC_RJT_OX_ID =		0x0b,	/* invalid originator exchange ID */
	FC_RJT_RX_ID =		0x0c,	/* invalid responder exchange ID */
	FC_RJT_SEQ_ID =		0x0d,	/* invalid sequence ID */
	FC_RJT_DF_CTL =		0x0e,	/* invalid DF_CTL field */
	FC_RJT_SEQ_CNT =	0x0f,	/* invalid SEQ_CNT field */
	FC_RJT_PARAM =		0x10,	/* invalid parameter field */
	FC_RJT_EXCH_ERR =	0x11,	/* exchange error */
	FC_RJT_PROTO =		0x12,	/* protocol error */
	FC_RJT_LEN =		0x13,	/* incorrect length */
	FC_RJT_UNEXP_ACK =	0x14,	/* unexpected ACK */
	FC_RJT_FAB_CLASS =	0x15,	/* class unsupported by fabric entity */
	FC_RJT_LOGI_REQ =	0x16,	/* login required */
	FC_RJT_SEQ_XS =		0x17,	/* excessive sequences attempted */
	FC_RJT_EXCH_EST =	0x18,	/* unable to establish exchange */
	FC_RJT_FAB_UNAV =	0x1a,	/* fabric unavailable */
	FC_RJT_VC_ID =		0x1b,	/* invalid VC_ID (class 4) */
	FC_RJT_CS_CTL =		0x1c,	/* invalid CS_CTL field */
	FC_RJT_INSUF_RES =	0x1d,	/* insuff. resources for VC (Class 4) */
	FC_RJT_INVL_CLS =	0x1f,	/* invalid class of service */
	FC_RJT_PREEMT_RJT =	0x20,	/* preemption request rejected */
	FC_RJT_PREEMT_DIS =	0x21,	/* preemption not enabled */
	FC_RJT_MCAST_ERR =	0x22,	/* multicast error */
	FC_RJT_MCAST_ET =	0x23,	/* multicast error terminate */
	FC_RJT_PRLI_REQ =	0x24,	/* process login required */
	FC_RJT_INVL_ATT =	0x25,	/* invalid attachment */
	FC_RJT_VENDOR =		0xff,	/* vendor specific reject */
};

/* default timeout values */

#define FC_DEF_E_D_TOV	2000UL
#define FC_DEF_R_A_TOV	10000UL

#endif /* _FC_FS_H_ */
PKMxFZ��+�OO
fc/fc_gs.hnu�[���/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
/*
 * Copyright(c) 2007 Intel Corporation. All rights reserved.
 *
 * 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.
 *
 * Maintained at www.Open-FCoE.org
 */

#ifndef _FC_GS_H_
#define	_FC_GS_H_

#include <linux/types.h>

/*
 * Fibre Channel Services - Common Transport.
 * From T11.org FC-GS-2 Rev 5.3 November 1998.
 */

struct fc_ct_hdr {
	__u8		ct_rev;		/* revision */
	__u8		ct_in_id[3];	/* N_Port ID of original requestor */
	__u8		ct_fs_type;	/* type of fibre channel service */
	__u8		ct_fs_subtype;	/* subtype */
	__u8		ct_options;
	__u8		_ct_resvd1;
	__be16		ct_cmd;		/* command / response code */
	__be16		ct_mr_size;	/* maximum / residual size */
	__u8		_ct_resvd2;
	__u8		ct_reason;	/* reject reason */
	__u8		ct_explan;	/* reason code explanation */
	__u8		ct_vendor;	/* vendor unique data */
};

#define	FC_CT_HDR_LEN	16	/* expected sizeof (struct fc_ct_hdr) */

enum fc_ct_rev {
	FC_CT_REV = 1		/* common transport revision */
};

/*
 * ct_fs_type values.
 */
enum fc_ct_fs_type {
	FC_FST_ALIAS =	0xf8,	/* alias service */
	FC_FST_MGMT =	0xfa,	/* management service */
	FC_FST_TIME =	0xfb,	/* time service */
	FC_FST_DIR =	0xfc,	/* directory service */
};

/*
 * ct_cmd: Command / response codes
 */
enum fc_ct_cmd {
	FC_FS_RJT =	0x8001,	/* reject */
	FC_FS_ACC =	0x8002,	/* accept */
};

/*
 * FS_RJT reason codes.
 */
enum fc_ct_reason {
	FC_FS_RJT_CMD =		0x01,	/* invalid command code */
	FC_FS_RJT_VER =		0x02,	/* invalid version level */
	FC_FS_RJT_LOG =		0x03,	/* logical error */
	FC_FS_RJT_IUSIZ =	0x04,	/* invalid IU size */
	FC_FS_RJT_BSY =		0x05,	/* logical busy */
	FC_FS_RJT_PROTO =	0x07,	/* protocol error */
	FC_FS_RJT_UNABL =	0x09,	/* unable to perform command request */
	FC_FS_RJT_UNSUP =	0x0b,	/* command not supported */
};

/*
 * FS_RJT reason code explanations.
 */
enum fc_ct_explan {
	FC_FS_EXP_NONE =	0x00,	/* no additional explanation */
	FC_FS_EXP_PID =		0x01,	/* port ID not registered */
	FC_FS_EXP_PNAM =	0x02,	/* port name not registered */
	FC_FS_EXP_NNAM =	0x03,	/* node name not registered */
	FC_FS_EXP_COS =		0x04,	/* class of service not registered */
	FC_FS_EXP_FTNR =	0x07,	/* FC-4 types not registered */
	/* definitions not complete */
};

#endif /* _FC_GS_H_ */
PKMxFZ@��:uu
fc/fc_ns.hnu�[���/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
/*
 * Copyright(c) 2007 Intel Corporation. All rights reserved.
 *
 * 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.
 *
 * Maintained at www.Open-FCoE.org
 */

#ifndef _FC_NS_H_
#define	_FC_NS_H_

#include <linux/types.h>

/*
 * Fibre Channel Services - Name Service (dNS)
 * From T11.org FC-GS-2 Rev 5.3 November 1998.
 */

/*
 * Common-transport sub-type for Name Server.
 */
#define	FC_NS_SUBTYPE	    2	/* fs_ct_hdr.ct_fs_subtype */

/*
 * Name server Requests.
 * Note:  this is an incomplete list, some unused requests are omitted.
 */
enum fc_ns_req {
	FC_NS_GA_NXT =	0x0100,		/* get all next */
	FC_NS_GI_A =	0x0101,		/* get identifiers - scope */
	FC_NS_GPN_ID =	0x0112,		/* get port name by ID */
	FC_NS_GNN_ID =	0x0113,		/* get node name by ID */
	FC_NS_GSPN_ID = 0x0118,		/* get symbolic port name */
	FC_NS_GID_PN =	0x0121,		/* get ID for port name */
	FC_NS_GID_NN =	0x0131,		/* get IDs for node name */
	FC_NS_GID_FT =	0x0171,		/* get IDs by FC4 type */
	FC_NS_GPN_FT =	0x0172,		/* get port names by FC4 type */
	FC_NS_GID_PT =	0x01a1,		/* get IDs by port type */
	FC_NS_RPN_ID =	0x0212,		/* reg port name for ID */
	FC_NS_RNN_ID =	0x0213,		/* reg node name for ID */
	FC_NS_RFT_ID =	0x0217,		/* reg FC4 type for ID */
	FC_NS_RSPN_ID =	0x0218,		/* reg symbolic port name */
	FC_NS_RFF_ID =	0x021f,		/* reg FC4 Features for ID */
	FC_NS_RSNN_NN =	0x0239,		/* reg symbolic node name */
};

/*
 * Port type values.
 */
enum fc_ns_pt {
	FC_NS_UNID_PORT = 0x00,	/* unidentified */
	FC_NS_N_PORT =	0x01,	/* N port */
	FC_NS_NL_PORT =	0x02,	/* NL port */
	FC_NS_FNL_PORT = 0x03,	/* F/NL port */
	FC_NS_NX_PORT =	0x7f,	/* Nx port */
	FC_NS_F_PORT =	0x81,	/* F port */
	FC_NS_FL_PORT =	0x82,	/* FL port */
	FC_NS_E_PORT =	0x84,	/* E port */
	FC_NS_B_PORT =	0x85,	/* B port */
};

/*
 * Port type object.
 */
struct fc_ns_pt_obj {
	__u8		pt_type;
};

/*
 * Port ID object
 */
struct fc_ns_fid {
	__u8		fp_flags;	/* flags for responses only */
	__u8		fp_fid[3];
};

/*
 * fp_flags in port ID object, for responses only.
 */
#define	FC_NS_FID_LAST	0x80		/* last object */

/*
 * FC4-types object.
 */
#define	FC_NS_TYPES	256	/* number of possible FC-4 types */
#define	FC_NS_BPW	32	/* bits per word in bitmap */

struct fc_ns_fts {
	__be32	ff_type_map[FC_NS_TYPES / FC_NS_BPW]; /* bitmap of FC-4 types */
};

/*
 * FC4-features object.
 */
struct fc_ns_ff	{
	__be32	fd_feat[FC_NS_TYPES * 4 / FC_NS_BPW]; /* 4-bits per FC-type */
};

/*
 * GID_PT request.
 */
struct fc_ns_gid_pt {
	__u8		fn_pt_type;
	__u8		fn_domain_id_scope;
	__u8		fn_area_id_scope;
	__u8		fn_resvd;
};

/*
 * GID_FT or GPN_FT request.
 */
struct fc_ns_gid_ft {
	__u8		fn_resvd;
	__u8		fn_domain_id_scope;
	__u8		fn_area_id_scope;
	__u8		fn_fc4_type;
};

/*
 * GPN_FT response.
 */
struct fc_gpn_ft_resp {
	__u8		fp_flags;	/* see fp_flags definitions above */
	__u8		fp_fid[3];	/* port ID */
	__be32		fp_resvd;
	__be64		fp_wwpn;	/* port name */
};

/*
 * GID_PN request
 */
struct fc_ns_gid_pn {
	__be64     fn_wwpn;    /* port name */
};

/*
 * GID_PN response or GSPN_ID request
 */
struct fc_gid_pn_resp {
	__u8      fp_resvd;
	__u8      fp_fid[3];     /* port ID */
};

/*
 * GSPN_ID response
 */
struct fc_gspn_resp {
	__u8	fp_name_len;
	char	fp_name[];
};

/*
 * RFT_ID request - register FC-4 types for ID.
 */
struct fc_ns_rft_id {
	struct fc_ns_fid fr_fid;	/* port ID object */
	struct fc_ns_fts fr_fts;	/* FC-4 types object */
};

/*
 * RPN_ID request - register port name for ID.
 * RNN_ID request - register node name for ID.
 */
struct fc_ns_rn_id {
	struct fc_ns_fid fr_fid;	/* port ID object */
	__be64		fr_wwn;		/* node name or port name */
} __attribute__((__packed__));

/*
 * RSNN_NN request - register symbolic node name
 */
struct fc_ns_rsnn {
	__be64		fr_wwn;		/* node name */
	__u8		fr_name_len;
	char		fr_name[];
} __attribute__((__packed__));

/*
 * RSPN_ID request - register symbolic port name
 */
struct fc_ns_rspn {
	struct fc_ns_fid fr_fid;	/* port ID object */
	__u8		fr_name_len;
	char		fr_name[];
} __attribute__((__packed__));

/*
 * RFF_ID request - register FC-4 Features for ID.
 */
struct fc_ns_rff_id {
	struct fc_ns_fid fr_fid;	/* port ID object */
	__u8		fr_resvd[2];
	__u8		fr_feat;	/* FC-4 Feature bits */
	__u8		fr_type;	/* FC-4 type */
} __attribute__((__packed__));

#endif /* _FC_NS_H_ */
PKMxFZ�Y,����fc/fc_els.hnu�[���/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
/*
 * Copyright(c) 2007 Intel Corporation. All rights reserved.
 *
 * 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.
 *
 * Maintained at www.Open-FCoE.org
 */

#ifndef _FC_ELS_H_
#define	_FC_ELS_H_

#include <linux/types.h>
#include <asm/byteorder.h>

/*
 * Fibre Channel Switch - Enhanced Link Services definitions.
 * From T11 FC-LS Rev 1.2 June 7, 2005.
 */

/*
 * ELS Command codes - byte 0 of the frame payload
 */
enum fc_els_cmd {
	ELS_LS_RJT =	0x01,	/* ESL reject */
	ELS_LS_ACC =	0x02,	/* ESL Accept */
	ELS_PLOGI =	0x03,	/* N_Port login */
	ELS_FLOGI =	0x04,	/* F_Port login */
	ELS_LOGO =	0x05,	/* Logout */
	ELS_ABTX =	0x06,	/* Abort exchange - obsolete */
	ELS_RCS =	0x07,	/* read connection status */
	ELS_RES =	0x08,	/* read exchange status block */
	ELS_RSS =	0x09,	/* read sequence status block */
	ELS_RSI =	0x0a,	/* read sequence initiative */
	ELS_ESTS =	0x0b,	/* establish streaming */
	ELS_ESTC =	0x0c,	/* estimate credit */
	ELS_ADVC =	0x0d,	/* advise credit */
	ELS_RTV =	0x0e,	/* read timeout value */
	ELS_RLS =	0x0f,	/* read link error status block */
	ELS_ECHO =	0x10,	/* echo */
	ELS_TEST =	0x11,	/* test */
	ELS_RRQ =	0x12,	/* reinstate recovery qualifier */
	ELS_REC =	0x13,	/* read exchange concise */
	ELS_SRR =	0x14,	/* sequence retransmission request */
	ELS_FPIN =	0x16,	/* Fabric Performance Impact Notification */
	ELS_EDC =	0x17,	/* Exchange Diagnostic Capabilities */
	ELS_RDP =	0x18,	/* Read Diagnostic Parameters */
	ELS_RDF =	0x19,	/* Register Diagnostic Functions */
	ELS_PRLI =	0x20,	/* process login */
	ELS_PRLO =	0x21,	/* process logout */
	ELS_SCN =	0x22,	/* state change notification */
	ELS_TPLS =	0x23,	/* test process login state */
	ELS_TPRLO =	0x24,	/* third party process logout */
	ELS_LCLM =	0x25,	/* login control list mgmt (obs) */
	ELS_GAID =	0x30,	/* get alias_ID */
	ELS_FACT =	0x31,	/* fabric activate alias_id */
	ELS_FDACDT =	0x32,	/* fabric deactivate alias_id */
	ELS_NACT =	0x33,	/* N-port activate alias_id */
	ELS_NDACT =	0x34,	/* N-port deactivate alias_id */
	ELS_QOSR =	0x40,	/* quality of service request */
	ELS_RVCS =	0x41,	/* read virtual circuit status */
	ELS_PDISC =	0x50,	/* discover N_port service params */
	ELS_FDISC =	0x51,	/* discover F_port service params */
	ELS_ADISC =	0x52,	/* discover address */
	ELS_RNC =	0x53,	/* report node cap (obs) */
	ELS_FARP_REQ =	0x54,	/* FC ARP request */
	ELS_FARP_REPL =	0x55,	/* FC ARP reply */
	ELS_RPS =	0x56,	/* read port status block */
	ELS_RPL =	0x57,	/* read port list */
	ELS_RPBC =	0x58,	/* read port buffer condition */
	ELS_FAN =	0x60,	/* fabric address notification */
	ELS_RSCN =	0x61,	/* registered state change notification */
	ELS_SCR =	0x62,	/* state change registration */
	ELS_RNFT =	0x63,	/* report node FC-4 types */
	ELS_CSR =	0x68,	/* clock synch. request */
	ELS_CSU =	0x69,	/* clock synch. update */
	ELS_LINIT =	0x70,	/* loop initialize */
	ELS_LSTS =	0x72,	/* loop status */
	ELS_RNID =	0x78,	/* request node ID data */
	ELS_RLIR =	0x79,	/* registered link incident report */
	ELS_LIRR =	0x7a,	/* link incident record registration */
	ELS_SRL =	0x7b,	/* scan remote loop */
	ELS_SBRP =	0x7c,	/* set bit-error reporting params */
	ELS_RPSC =	0x7d,	/* report speed capabilities */
	ELS_QSA =	0x7e,	/* query security attributes */
	ELS_EVFP =	0x7f,	/* exchange virt. fabrics params */
	ELS_LKA =	0x80,	/* link keep-alive */
	ELS_AUTH_ELS =	0x90,	/* authentication ELS */
};

/*
 * Initializer useful for decoding table.
 * Please keep this in sync with the above definitions.
 */
#define	FC_ELS_CMDS_INIT {			\
	[ELS_LS_RJT] =	"LS_RJT",		\
	[ELS_LS_ACC] =	"LS_ACC",		\
	[ELS_PLOGI] =	"PLOGI",		\
	[ELS_FLOGI] =	"FLOGI",		\
	[ELS_LOGO] =	"LOGO",			\
	[ELS_ABTX] =	"ABTX",			\
	[ELS_RCS] =	"RCS",			\
	[ELS_RES] =	"RES",			\
	[ELS_RSS] =	"RSS",			\
	[ELS_RSI] =	"RSI",			\
	[ELS_ESTS] =	"ESTS",			\
	[ELS_ESTC] =	"ESTC",			\
	[ELS_ADVC] =	"ADVC",			\
	[ELS_RTV] =	"RTV",			\
	[ELS_RLS] =	"RLS",			\
	[ELS_ECHO] =	"ECHO",			\
	[ELS_TEST] =	"TEST",			\
	[ELS_RRQ] =	"RRQ",			\
	[ELS_REC] =	"REC",			\
	[ELS_SRR] =	"SRR",			\
	[ELS_FPIN] =	"FPIN",			\
	[ELS_EDC] =	"EDC",			\
	[ELS_RDP] =	"RDP",			\
	[ELS_RDF] =	"RDF",			\
	[ELS_PRLI] =	"PRLI",			\
	[ELS_PRLO] =	"PRLO",			\
	[ELS_SCN] =	"SCN",			\
	[ELS_TPLS] =	"TPLS",			\
	[ELS_TPRLO] =	"TPRLO",		\
	[ELS_LCLM] =	"LCLM",			\
	[ELS_GAID] =	"GAID",			\
	[ELS_FACT] =	"FACT",			\
	[ELS_FDACDT] =	"FDACDT",		\
	[ELS_NACT] =	"NACT",			\
	[ELS_NDACT] =	"NDACT",		\
	[ELS_QOSR] =	"QOSR",			\
	[ELS_RVCS] =	"RVCS",			\
	[ELS_PDISC] =	"PDISC",		\
	[ELS_FDISC] =	"FDISC",		\
	[ELS_ADISC] =	"ADISC",		\
	[ELS_RNC] =	"RNC",			\
	[ELS_FARP_REQ] = "FARP_REQ",		\
	[ELS_FARP_REPL] =  "FARP_REPL",		\
	[ELS_RPS] =	"RPS",			\
	[ELS_RPL] =	"RPL",			\
	[ELS_RPBC] =	"RPBC",			\
	[ELS_FAN] =	"FAN",			\
	[ELS_RSCN] =	"RSCN",			\
	[ELS_SCR] =	"SCR",			\
	[ELS_RNFT] =	"RNFT",			\
	[ELS_CSR] =	"CSR",			\
	[ELS_CSU] =	"CSU",			\
	[ELS_LINIT] =	"LINIT",		\
	[ELS_LSTS] =	"LSTS",			\
	[ELS_RNID] =	"RNID",			\
	[ELS_RLIR] =	"RLIR",			\
	[ELS_LIRR] =	"LIRR",			\
	[ELS_SRL] =	"SRL",			\
	[ELS_SBRP] =	"SBRP",			\
	[ELS_RPSC] =	"RPSC",			\
	[ELS_QSA] =	"QSA",			\
	[ELS_EVFP] =	"EVFP",			\
	[ELS_LKA] =	"LKA",			\
	[ELS_AUTH_ELS] = "AUTH_ELS",		\
}

/*
 * LS_ACC payload.
 */
struct fc_els_ls_acc {
	__u8          la_cmd;		/* command code ELS_LS_ACC */
	__u8          la_resv[3];	/* reserved */
};

/*
 * ELS reject payload.
 */
struct fc_els_ls_rjt {
	__u8	er_cmd;		/* command code ELS_LS_RJT */
	__u8	er_resv[4];	/* reserved must be zero */
	__u8	er_reason;	/* reason (enum fc_els_rjt_reason below) */
	__u8	er_explan;	/* explanation (enum fc_els_rjt_explan below) */
	__u8	er_vendor;	/* vendor specific code */
};

/*
 * ELS reject reason codes (er_reason).
 */
enum fc_els_rjt_reason {
	ELS_RJT_NONE =		0,	/* no reject - not to be sent */
	ELS_RJT_INVAL =		0x01,	/* invalid ELS command code */
	ELS_RJT_LOGIC =		0x03,	/* logical error */
	ELS_RJT_BUSY =		0x05,	/* logical busy */
	ELS_RJT_PROT =		0x07,	/* protocol error */
	ELS_RJT_UNAB =		0x09,	/* unable to perform command request */
	ELS_RJT_UNSUP =		0x0b,	/* command not supported */
	ELS_RJT_INPROG =	0x0e,	/* command already in progress */
	ELS_RJT_FIP =		0x20,	/* FIP error */
	ELS_RJT_VENDOR =	0xff,	/* vendor specific error */
};


/*
 * reason code explanation (er_explan).
 */
enum fc_els_rjt_explan {
	ELS_EXPL_NONE =		0x00,	/* No additional explanation */
	ELS_EXPL_SPP_OPT_ERR =	0x01,	/* service parameter error - options */
	ELS_EXPL_SPP_ICTL_ERR =	0x03,	/* service parm error - initiator ctl */
	ELS_EXPL_AH =		0x11,	/* invalid association header */
	ELS_EXPL_AH_REQ =	0x13,	/* association_header required */
	ELS_EXPL_SID =		0x15,	/* invalid originator S_ID */
	ELS_EXPL_OXID_RXID =	0x17,	/* invalid OX_ID-RX_ID combination */
	ELS_EXPL_INPROG =	0x19,	/* Request already in progress */
	ELS_EXPL_PLOGI_REQD =	0x1e,	/* N_Port login required */
	ELS_EXPL_INSUF_RES =	0x29,	/* insufficient resources */
	ELS_EXPL_UNAB_DATA =	0x2a,	/* unable to supply requested data */
	ELS_EXPL_UNSUPR =	0x2c,	/* Request not supported */
	ELS_EXPL_INV_LEN =	0x2d,	/* Invalid payload length */
	ELS_EXPL_NOT_NEIGHBOR = 0x62,	/* VN2VN_Port not in neighbor set */
	/* TBD - above definitions incomplete */
};

/*
 * Link Service TLV Descriptor Tag Values
 */
enum fc_ls_tlv_dtag {
	ELS_DTAG_LS_REQ_INFO =		0x00000001,
		/* Link Service Request Information Descriptor */
	ELS_DTAG_LNK_FAULT_CAP =	0x0001000D,
		/* Link Fault Capability Descriptor */
	ELS_DTAG_CG_SIGNAL_CAP =	0x0001000F,
		/* Congestion Signaling Capability Descriptor */
	ELS_DTAG_LNK_INTEGRITY =	0x00020001,
		/* Link Integrity Notification Descriptor */
	ELS_DTAG_DELIVERY =		0x00020002,
		/* Delivery Notification Descriptor */
	ELS_DTAG_PEER_CONGEST =		0x00020003,
		/* Peer Congestion Notification Descriptor */
	ELS_DTAG_CONGESTION =		0x00020004,
		/* Congestion Notification Descriptor */
	ELS_DTAG_FPIN_REGISTER =	0x00030001,
		/* FPIN Registration Descriptor */
};

/*
 * Initializer useful for decoding table.
 * Please keep this in sync with the above definitions.
 */
#define FC_LS_TLV_DTAG_INIT {					      \
	{ ELS_DTAG_LS_REQ_INFO,		"Link Service Request Information" }, \
	{ ELS_DTAG_LNK_FAULT_CAP,	"Link Fault Capability" },	      \
	{ ELS_DTAG_CG_SIGNAL_CAP,	"Congestion Signaling Capability" },  \
	{ ELS_DTAG_LNK_INTEGRITY,	"Link Integrity Notification" },      \
	{ ELS_DTAG_DELIVERY,		"Delivery Notification Present" },    \
	{ ELS_DTAG_PEER_CONGEST,	"Peer Congestion Notification" },     \
	{ ELS_DTAG_CONGESTION,		"Congestion Notification" },	      \
	{ ELS_DTAG_FPIN_REGISTER,	"FPIN Registration" },		      \
}


/*
 * Generic Link Service TLV Descriptor format
 *
 * This structure, as it defines no payload, will also be referred to
 * as the "tlv header" - which contains the tag and len fields.
 */
struct fc_tlv_desc {
	__be32		desc_tag;	/* Notification Descriptor Tag */
	__be32		desc_len;	/* Length of Descriptor (in bytes).
					 * Size of descriptor excluding
					 * desc_tag and desc_len fields.
					 */
	__u8		desc_value[0];  /* Descriptor Value */
};

/* Descriptor tag and len fields are considered the mandatory header
 * for a descriptor
 */
#define FC_TLV_DESC_HDR_SZ	sizeof(struct fc_tlv_desc)

/*
 * Macro, used when initializing payloads, to return the descriptor length.
 * Length is size of descriptor minus the tag and len fields.
 */
#define FC_TLV_DESC_LENGTH_FROM_SZ(desc)	\
		(sizeof(desc) - FC_TLV_DESC_HDR_SZ)

/* Macro, used on received payloads, to return the descriptor length */
#define FC_TLV_DESC_SZ_FROM_LENGTH(tlv)		\
		(__be32_to_cpu((tlv)->desc_len) + FC_TLV_DESC_HDR_SZ)

/*
 * This helper is used to walk descriptors in a descriptor list.
 * Given the address of the current descriptor, which minimally contains a
 * tag and len field, calculate the address of the next descriptor based
 * on the len field.
 */
static __inline__ void *fc_tlv_next_desc(void *desc)
{
	struct fc_tlv_desc *tlv = desc;

	return (desc + FC_TLV_DESC_SZ_FROM_LENGTH(tlv));
}


/*
 * Link Service Request Information Descriptor
 */
struct fc_els_lsri_desc {
	__be32		desc_tag;	/* descriptor tag (0x0000 0001) */
	__be32		desc_len;	/* Length of Descriptor (in bytes) (4).
					 * Size of descriptor excluding
					 * desc_tag and desc_len fields.
					 */
	struct {
		__u8	cmd;		/* ELS cmd byte */
		__u8	bytes[3];	/* bytes 1..3 */
	} rqst_w0;			/* Request word 0 */
};


/*
 * Common service parameters (N ports).
 */
struct fc_els_csp {
	__u8		sp_hi_ver;	/* highest version supported (obs.) */
	__u8		sp_lo_ver;	/* highest version supported (obs.) */
	__be16		sp_bb_cred;	/* buffer-to-buffer credits */
	__be16		sp_features;	/* common feature flags */
	__be16		sp_bb_data;	/* b-b state number and data field sz */
	union {
		struct {
			__be16	_sp_tot_seq; /* total concurrent sequences */
			__be16	_sp_rel_off; /* rel. offset by info cat */
		} sp_plogi;
		struct {
			__be32	_sp_r_a_tov; /* resource alloc. timeout msec */
		} sp_flogi_acc;
	} sp_u;
	__be32		sp_e_d_tov;	/* error detect timeout value */
};
#define	sp_tot_seq	sp_u.sp_plogi._sp_tot_seq
#define	sp_rel_off	sp_u.sp_plogi._sp_rel_off
#define	sp_r_a_tov	sp_u.sp_flogi_acc._sp_r_a_tov

#define	FC_SP_BB_DATA_MASK 0xfff /* mask for data field size in sp_bb_data */

/*
 * Minimum and maximum values for max data field size in service parameters.
 */
#define	FC_SP_MIN_MAX_PAYLOAD	FC_MIN_MAX_PAYLOAD
#define	FC_SP_MAX_MAX_PAYLOAD	FC_MAX_PAYLOAD

/*
 * sp_features
 */
#define	FC_SP_FT_NPIV	0x8000	/* multiple N_Port_ID support (FLOGI) */
#define	FC_SP_FT_CIRO	0x8000	/* continuously increasing rel off (PLOGI) */
#define	FC_SP_FT_CLAD	0x8000	/* clean address (in FLOGI LS_ACC) */
#define	FC_SP_FT_RAND	0x4000	/* random relative offset */
#define	FC_SP_FT_VAL	0x2000	/* valid vendor version level */
#define	FC_SP_FT_NPIV_ACC	0x2000	/* NPIV assignment (FLOGI LS_ACC) */
#define	FC_SP_FT_FPORT	0x1000	/* F port (1) vs. N port (0) */
#define	FC_SP_FT_ABB	0x0800	/* alternate BB_credit management */
#define	FC_SP_FT_EDTR	0x0400	/* E_D_TOV Resolution is nanoseconds */
#define	FC_SP_FT_MCAST	0x0200	/* multicast */
#define	FC_SP_FT_BCAST	0x0100	/* broadcast */
#define	FC_SP_FT_HUNT	0x0080	/* hunt group */
#define	FC_SP_FT_SIMP	0x0040	/* dedicated simplex */
#define	FC_SP_FT_SEC	0x0020	/* reserved for security */
#define	FC_SP_FT_CSYN	0x0010	/* clock synch. supported */
#define	FC_SP_FT_RTTOV	0x0008	/* R_T_TOV value 100 uS, else 100 mS */
#define	FC_SP_FT_HALF	0x0004	/* dynamic half duplex */
#define	FC_SP_FT_SEQC	0x0002	/* SEQ_CNT */
#define	FC_SP_FT_PAYL	0x0001	/* FLOGI payload length 256, else 116 */

/*
 * Class-specific service parameters.
 */
struct fc_els_cssp {
	__be16		cp_class;	/* class flags */
	__be16		cp_init;	/* initiator flags */
	__be16		cp_recip;	/* recipient flags */
	__be16		cp_rdfs;	/* receive data field size */
	__be16		cp_con_seq;	/* concurrent sequences */
	__be16		cp_ee_cred;	/* N-port end-to-end credit */
	__u8		cp_resv1;	/* reserved */
	__u8		cp_open_seq;	/* open sequences per exchange */
	__u8		_cp_resv2[2];	/* reserved */
};

/*
 * cp_class flags.
 */
#define	FC_CPC_VALID	0x8000		/* class valid */
#define	FC_CPC_IMIX	0x4000		/* intermix mode */
#define	FC_CPC_SEQ	0x0800		/* sequential delivery */
#define	FC_CPC_CAMP	0x0200		/* camp-on */
#define	FC_CPC_PRI	0x0080		/* priority */

/*
 * cp_init flags.
 * (TBD: not all flags defined here).
 */
#define	FC_CPI_CSYN	0x0010		/* clock synch. capable */

/*
 * cp_recip flags.
 */
#define	FC_CPR_CSYN	0x0008		/* clock synch. capable */

/*
 * NFC_ELS_FLOGI: Fabric login request.
 * NFC_ELS_PLOGI: Port login request (same format).
 */
struct fc_els_flogi {
	__u8		fl_cmd;		/* command */
	__u8		_fl_resvd[3];	/* must be zero */
	struct fc_els_csp fl_csp;	/* common service parameters */
	__be64		fl_wwpn;	/* port name */
	__be64		fl_wwnn;	/* node name */
	struct fc_els_cssp fl_cssp[4];	/* class 1-4 service parameters */
	__u8		fl_vend[16];	/* vendor version level */
} __attribute__((__packed__));

/*
 * Process login service parameter page.
 */
struct fc_els_spp {
	__u8		spp_type;	/* type code or common service params */
	__u8		spp_type_ext;	/* type code extension */
	__u8		spp_flags;
	__u8		_spp_resvd;
	__be32		spp_orig_pa;	/* originator process associator */
	__be32		spp_resp_pa;	/* responder process associator */
	__be32		spp_params;	/* service parameters */
};

/*
 * spp_flags.
 */
#define	FC_SPP_OPA_VAL	    0x80	/* originator proc. assoc. valid */
#define	FC_SPP_RPA_VAL	    0x40	/* responder proc. assoc. valid */
#define	FC_SPP_EST_IMG_PAIR 0x20	/* establish image pair */
#define	FC_SPP_RESP_MASK    0x0f	/* mask for response code (below) */

/*
 * SPP response code in spp_flags - lower 4 bits.
 */
enum fc_els_spp_resp {
	FC_SPP_RESP_ACK	=	1,	/* request executed */
	FC_SPP_RESP_RES =	2,	/* unable due to lack of resources */
	FC_SPP_RESP_INIT =	3,	/* initialization not complete */
	FC_SPP_RESP_NO_PA = 	4,	/* unknown process associator */
	FC_SPP_RESP_CONF = 	5,	/* configuration precludes image pair */
	FC_SPP_RESP_COND = 	6,	/* request completed conditionally */
	FC_SPP_RESP_MULT = 	7,	/* unable to handle multiple SPPs */
	FC_SPP_RESP_INVL = 	8,	/* SPP is invalid */
};

/*
 * ELS_RRQ - Reinstate Recovery Qualifier
 */
struct fc_els_rrq {
	__u8		rrq_cmd;	/* command (0x12) */
	__u8		rrq_zero[3];	/* specified as zero - part of cmd */
	__u8		rrq_resvd;	/* reserved */
	__u8		rrq_s_id[3];	/* originator FID */
	__be16		rrq_ox_id;	/* originator exchange ID */
	__be16		rrq_rx_id;	/* responders exchange ID */
};

/*
 * ELS_REC - Read exchange concise.
 */
struct fc_els_rec {
	__u8		rec_cmd;	/* command (0x13) */
	__u8		rec_zero[3];	/* specified as zero - part of cmd */
	__u8		rec_resvd;	/* reserved */
	__u8		rec_s_id[3];	/* originator FID */
	__be16		rec_ox_id;	/* originator exchange ID */
	__be16		rec_rx_id;	/* responders exchange ID */
};

/*
 * ELS_REC LS_ACC payload.
 */
struct fc_els_rec_acc {
	__u8		reca_cmd;	/* accept (0x02) */
	__u8		reca_zero[3];	/* specified as zero - part of cmd */
	__be16		reca_ox_id;	/* originator exchange ID */
	__be16		reca_rx_id;	/* responders exchange ID */
	__u8		reca_resvd1;	/* reserved */
	__u8		reca_ofid[3];	/* originator FID */
	__u8		reca_resvd2;	/* reserved */
	__u8		reca_rfid[3];	/* responder FID */
	__be32		reca_fc4value;	/* FC4 value */
	__be32		reca_e_stat;	/* ESB (exchange status block) status */
};

/*
 * ELS_PRLI - Process login request and response.
 */
struct fc_els_prli {
	__u8		prli_cmd;	/* command */
	__u8		prli_spp_len;	/* length of each serv. parm. page */
	__be16		prli_len;	/* length of entire payload */
	/* service parameter pages follow */
};

/*
 * ELS_PRLO - Process logout request and response.
 */
struct fc_els_prlo {
	__u8            prlo_cmd;       /* command */
	__u8            prlo_obs;       /* obsolete, but shall be set to 10h */
	__be16          prlo_len;       /* payload length */
};

/*
 * ELS_ADISC payload
 */
struct fc_els_adisc {
	__u8		adisc_cmd;
	__u8		adisc_resv[3];
	__u8            adisc_resv1;
	__u8            adisc_hard_addr[3];
	__be64          adisc_wwpn;
	__be64          adisc_wwnn;
	__u8            adisc_resv2;
	__u8            adisc_port_id[3];
} __attribute__((__packed__));

/*
 * ELS_LOGO - process or fabric logout.
 */
struct fc_els_logo {
	__u8		fl_cmd;		/* command code */
	__u8		fl_zero[3];	/* specified as zero - part of cmd */
	__u8		fl_resvd;	/* reserved */
	__u8		fl_n_port_id[3];/* N port ID */
	__be64		fl_n_port_wwn;	/* port name */
};

/*
 * ELS_RTV - read timeout value.
 */
struct fc_els_rtv {
	__u8		rtv_cmd;	/* command code 0x0e */
	__u8		rtv_zero[3];	/* specified as zero - part of cmd */
};

/*
 * LS_ACC for ELS_RTV - read timeout value.
 */
struct fc_els_rtv_acc {
	__u8		rtv_cmd;	/* command code 0x02 */
	__u8		rtv_zero[3];	/* specified as zero - part of cmd */
	__be32		rtv_r_a_tov;	/* resource allocation timeout value */
	__be32		rtv_e_d_tov;	/* error detection timeout value */
	__be32		rtv_toq;	/* timeout qualifier (see below) */
};

/*
 * rtv_toq bits.
 */
#define	FC_ELS_RTV_EDRES (1 << 26)	/* E_D_TOV resolution is nS else mS */
#define	FC_ELS_RTV_RTTOV (1 << 19)	/* R_T_TOV is 100 uS else 100 mS */

/*
 * ELS_SCR - state change registration payload.
 */
struct fc_els_scr {
	__u8		scr_cmd;	/* command code */
	__u8		scr_resv[6];	/* reserved */
	__u8		scr_reg_func;	/* registration function (see below) */
};

enum fc_els_scr_func {
	ELS_SCRF_FAB =	1,	/* fabric-detected registration */
	ELS_SCRF_NPORT = 2,	/* Nx_Port-detected registration */
	ELS_SCRF_FULL =	3,	/* full registration */
	ELS_SCRF_CLEAR = 255,	/* remove any current registrations */
};

/*
 * ELS_RSCN - registered state change notification payload.
 */
struct fc_els_rscn {
	__u8		rscn_cmd;	/* RSCN opcode (0x61) */
	__u8		rscn_page_len;	/* page length (4) */
	__be16		rscn_plen;	/* payload length including this word */

	/* followed by 4-byte generic affected Port_ID pages */
};

struct fc_els_rscn_page {
	__u8		rscn_page_flags; /* event and address format */
	__u8		rscn_fid[3];	/* fabric ID */
};

#define	ELS_RSCN_EV_QUAL_BIT	2	/* shift count for event qualifier */
#define	ELS_RSCN_EV_QUAL_MASK	0xf	/* mask for event qualifier */
#define	ELS_RSCN_ADDR_FMT_BIT	0	/* shift count for address format */
#define	ELS_RSCN_ADDR_FMT_MASK	0x3	/* mask for address format */

enum fc_els_rscn_ev_qual {
	ELS_EV_QUAL_NONE = 0,		/* unspecified */
	ELS_EV_QUAL_NS_OBJ = 1,		/* changed name server object */
	ELS_EV_QUAL_PORT_ATTR = 2,	/* changed port attribute */
	ELS_EV_QUAL_SERV_OBJ = 3,	/* changed service object */
	ELS_EV_QUAL_SW_CONFIG = 4,	/* changed switch configuration */
	ELS_EV_QUAL_REM_OBJ = 5,	/* removed object */
};

enum fc_els_rscn_addr_fmt {
	ELS_ADDR_FMT_PORT = 0,	/* rscn_fid is a port address */
	ELS_ADDR_FMT_AREA = 1,	/* rscn_fid is a area address */
	ELS_ADDR_FMT_DOM = 2,	/* rscn_fid is a domain address */
	ELS_ADDR_FMT_FAB = 3,	/* anything on fabric may have changed */
};

/*
 * ELS_RNID - request Node ID.
 */
struct fc_els_rnid {
	__u8		rnid_cmd;	/* RNID opcode (0x78) */
	__u8		rnid_resv[3];	/* reserved */
	__u8		rnid_fmt;	/* data format */
	__u8		rnid_resv2[3];	/* reserved */
};

/*
 * Node Identification Data formats (rnid_fmt)
 */
enum fc_els_rnid_fmt {
	ELS_RNIDF_NONE = 0,		/* no specific identification data */
	ELS_RNIDF_GEN = 0xdf,		/* general topology discovery format */
};

/*
 * ELS_RNID response.
 */
struct fc_els_rnid_resp {
	__u8		rnid_cmd;	/* response code (LS_ACC) */
	__u8		rnid_resv[3];	/* reserved */
	__u8		rnid_fmt;	/* data format */
	__u8		rnid_cid_len;	/* common ID data length */
	__u8		rnid_resv2;	/* reserved */
	__u8		rnid_sid_len;	/* specific ID data length */
};

struct fc_els_rnid_cid {
	__be64		rnid_wwpn;	/* N port name */
	__be64		rnid_wwnn;	/* node name */
};

struct fc_els_rnid_gen {
	__u8		rnid_vend_id[16]; /* vendor-unique ID */
	__be32		rnid_atype;	/* associated type (see below) */
	__be32		rnid_phys_port;	/* physical port number */
	__be32		rnid_att_nodes;	/* number of attached nodes */
	__u8		rnid_node_mgmt;	/* node management (see below) */
	__u8		rnid_ip_ver;	/* IP version (see below) */
	__be16		rnid_prot_port;	/* UDP / TCP port number */
	__be32		rnid_ip_addr[4]; /* IP address */
	__u8		rnid_resvd[2];	/* reserved */
	__be16		rnid_vend_spec;	/* vendor-specific field */
};

enum fc_els_rnid_atype {
	ELS_RNIDA_UNK =		0x01,	/* unknown */
	ELS_RNIDA_OTHER =	0x02,	/* none of the following */
	ELS_RNIDA_HUB =		0x03,
	ELS_RNIDA_SWITCH =	0x04,
	ELS_RNIDA_GATEWAY =	0x05,
	ELS_RNIDA_CONV =	0x06,   /* Obsolete, do not use this value */
	ELS_RNIDA_HBA =	        0x07,   /* Obsolete, do not use this value */
	ELS_RNIDA_PROXY =       0x08,   /* Obsolete, do not use this value */
	ELS_RNIDA_STORAGE =	0x09,
	ELS_RNIDA_HOST =	0x0a,
	ELS_RNIDA_SUBSYS =	0x0b,	/* storage subsystem (e.g., RAID) */
	ELS_RNIDA_ACCESS =	0x0e,	/* access device (e.g. media changer) */
	ELS_RNIDA_NAS =		0x11,	/* NAS server */
	ELS_RNIDA_BRIDGE =	0x12,	/* bridge */
	ELS_RNIDA_VIRT =	0x13,	/* virtualization device */
	ELS_RNIDA_MF =		0xff,	/* multifunction device (bits below) */
	ELS_RNIDA_MF_HUB =	1UL << 31, 	/* hub */
	ELS_RNIDA_MF_SW =	1UL << 30, 	/* switch */
	ELS_RNIDA_MF_GW =	1UL << 29,	/* gateway */
	ELS_RNIDA_MF_ST =	1UL << 28,	/* storage */
	ELS_RNIDA_MF_HOST =	1UL << 27,	/* host */
	ELS_RNIDA_MF_SUB =	1UL << 26,	/* storage subsystem */
	ELS_RNIDA_MF_ACC =	1UL << 25,	/* storage access dev */
	ELS_RNIDA_MF_WDM =	1UL << 24,	/* wavelength division mux */
	ELS_RNIDA_MF_NAS =	1UL << 23,	/* NAS server */
	ELS_RNIDA_MF_BR =	1UL << 22,	/* bridge */
	ELS_RNIDA_MF_VIRT =	1UL << 21,	/* virtualization device */
};

enum fc_els_rnid_mgmt {
	ELS_RNIDM_SNMP =	0,
	ELS_RNIDM_TELNET =	1,
	ELS_RNIDM_HTTP =	2,
	ELS_RNIDM_HTTPS =	3,
	ELS_RNIDM_XML =		4,	/* HTTP + XML */
};

enum fc_els_rnid_ipver {
	ELS_RNIDIP_NONE =	0,	/* no IP support or node mgmt. */
	ELS_RNIDIP_V4 =		1,	/* IPv4 */
	ELS_RNIDIP_V6 =		2,	/* IPv6 */
};

/*
 * ELS RPL - Read Port List.
 */
struct fc_els_rpl {
	__u8		rpl_cmd;	/* command */
	__u8		rpl_resv[5];	/* reserved - must be zero */
	__be16		rpl_max_size;	/* maximum response size or zero */
	__u8		rpl_resv1;	/* reserved - must be zero */
	__u8		rpl_index[3];	/* starting index */
};

/*
 * Port number block in RPL response.
 */
struct fc_els_pnb {
	__be32		pnb_phys_pn;	/* physical port number */
	__u8		pnb_resv;	/* reserved */
	__u8		pnb_port_id[3];	/* port ID */
	__be64		pnb_wwpn;	/* port name */
};

/*
 * RPL LS_ACC response.
 */
struct fc_els_rpl_resp {
	__u8		rpl_cmd;	/* ELS_LS_ACC */
	__u8		rpl_resv1;	/* reserved - must be zero */
	__be16		rpl_plen;	/* payload length */
	__u8		rpl_resv2;	/* reserved - must be zero */
	__u8		rpl_llen[3];	/* list length */
	__u8		rpl_resv3;	/* reserved - must be zero */
	__u8		rpl_index[3];	/* starting index */
	struct fc_els_pnb rpl_pnb[1];	/* variable number of PNBs */
};

/*
 * Link Error Status Block.
 */
struct fc_els_lesb {
	__be32		lesb_link_fail;	/* link failure count */
	__be32		lesb_sync_loss;	/* loss of synchronization count */
	__be32		lesb_sig_loss;	/* loss of signal count */
	__be32		lesb_prim_err;	/* primitive sequence error count */
	__be32		lesb_inv_word;	/* invalid transmission word count */
	__be32		lesb_inv_crc;	/* invalid CRC count */
};

/*
 * ELS RPS - Read Port Status Block request.
 */
struct fc_els_rps {
	__u8		rps_cmd;	/* command */
	__u8		rps_resv[2];	/* reserved - must be zero */
	__u8		rps_flag;	/* flag - see below */
	__be64		rps_port_spec;	/* port selection */
};

enum fc_els_rps_flag {
	FC_ELS_RPS_DID =	0x00,	/* port identified by D_ID of req. */
	FC_ELS_RPS_PPN =	0x01,	/* port_spec is physical port number */
	FC_ELS_RPS_WWPN =	0x02,	/* port_spec is port WWN */
};

/*
 * ELS RPS LS_ACC response.
 */
struct fc_els_rps_resp {
	__u8		rps_cmd;	/* command - LS_ACC */
	__u8		rps_resv[2];	/* reserved - must be zero */
	__u8		rps_flag;	/* flag - see below */
	__u8		rps_resv2[2];	/* reserved */
	__be16		rps_status;	/* port status - see below */
	struct fc_els_lesb rps_lesb;	/* link error status block */
};

enum fc_els_rps_resp_flag {
	FC_ELS_RPS_LPEV =	0x01,	/* L_port extension valid */
};

enum fc_els_rps_resp_status {
	FC_ELS_RPS_PTP =	1 << 5,	/* point-to-point connection */
	FC_ELS_RPS_LOOP =	1 << 4,	/* loop mode */
	FC_ELS_RPS_FAB =	1 << 3,	/* fabric present */
	FC_ELS_RPS_NO_SIG =	1 << 2,	/* loss of signal */
	FC_ELS_RPS_NO_SYNC =	1 << 1,	/* loss of synchronization */
	FC_ELS_RPS_RESET =	1 << 0,	/* in link reset protocol */
};

/*
 * ELS LIRR - Link Incident Record Registration request.
 */
struct fc_els_lirr {
	__u8		lirr_cmd;	/* command */
	__u8		lirr_resv[3];	/* reserved - must be zero */
	__u8		lirr_func;	/* registration function */
	__u8		lirr_fmt;	/* FC-4 type of RLIR requested */
	__u8		lirr_resv2[2];	/* reserved - must be zero */
};

enum fc_els_lirr_func {
	ELS_LIRR_SET_COND = 	0x01,	/* set - conditionally receive */
	ELS_LIRR_SET_UNCOND = 	0x02,	/* set - unconditionally receive */
	ELS_LIRR_CLEAR = 	0xff	/* clear registration */
};

/*
 * ELS SRL - Scan Remote Loop request.
 */
struct fc_els_srl {
	__u8		srl_cmd;	/* command */
	__u8		srl_resv[3];	/* reserved - must be zero */
	__u8		srl_flag;	/* flag - see below */
	__u8		srl_flag_param[3];	/* flag parameter */
};

enum fc_els_srl_flag {
	FC_ELS_SRL_ALL =	0x00,	/* scan all FL ports */
	FC_ELS_SRL_ONE =	0x01,	/* scan specified loop */
	FC_ELS_SRL_EN_PER =	0x02,	/* enable periodic scanning (param) */
	FC_ELS_SRL_DIS_PER =	0x03,	/* disable periodic scanning */
};

/*
 * ELS RLS - Read Link Error Status Block request.
 */
struct fc_els_rls {
	__u8		rls_cmd;	/* command */
	__u8		rls_resv[4];	/* reserved - must be zero */
	__u8		rls_port_id[3];	/* port ID */
};

/*
 * ELS RLS LS_ACC Response.
 */
struct fc_els_rls_resp {
	__u8		rls_cmd;	/* ELS_LS_ACC */
	__u8		rls_resv[3];	/* reserved - must be zero */
	struct fc_els_lesb rls_lesb;	/* link error status block */
};

/*
 * ELS RLIR - Registered Link Incident Report.
 * This is followed by the CLIR and the CLID, described below.
 */
struct fc_els_rlir {
	__u8		rlir_cmd;	/* command */
	__u8		rlir_resv[3];	/* reserved - must be zero */
	__u8		rlir_fmt;	/* format (FC4-type if type specific) */
	__u8		rlir_clr_len;	/* common link incident record length */
	__u8		rlir_cld_len;	/* common link incident desc. length */
	__u8		rlir_slr_len;	/* spec. link incident record length */
};

/*
 * CLIR - Common Link Incident Record Data. - Sent via RLIR.
 */
struct fc_els_clir {
	__be64		clir_wwpn;	/* incident port name */
	__be64		clir_wwnn;	/* incident port node name */
	__u8		clir_port_type;	/* incident port type */
	__u8		clir_port_id[3];	/* incident port ID */

	__be64		clir_conn_wwpn;	/* connected port name */
	__be64		clir_conn_wwnn;	/* connected node name */
	__be64		clir_fab_name;	/* fabric name */
	__be32		clir_phys_port;	/* physical port number */
	__be32		clir_trans_id;	/* transaction ID */
	__u8		clir_resv[3];	/* reserved */
	__u8		clir_ts_fmt;	/* time stamp format */
	__be64		clir_timestamp;	/* time stamp */
};

/*
 * CLIR clir_ts_fmt - time stamp format values.
 */
enum fc_els_clir_ts_fmt {
	ELS_CLIR_TS_UNKNOWN = 	0,	/* time stamp field unknown */
	ELS_CLIR_TS_SEC_FRAC = 	1,	/* time in seconds and fractions */
	ELS_CLIR_TS_CSU =	2,	/* time in clock synch update format */
};

/*
 * Common Link Incident Descriptor - sent via RLIR.
 */
struct fc_els_clid {
	__u8		clid_iq;	/* incident qualifier flags */
	__u8		clid_ic;	/* incident code */
	__be16		clid_epai;	/* domain/area of ISL */
};

/*
 * CLID incident qualifier flags.
 */
enum fc_els_clid_iq {
	ELS_CLID_SWITCH =	0x20,	/* incident port is a switch node */
	ELS_CLID_E_PORT =	0x10,	/* incident is an ISL (E) port */
	ELS_CLID_SEV_MASK =	0x0c,	/* severity 2-bit field mask */
	ELS_CLID_SEV_INFO =	0x00,	/* report is informational */
	ELS_CLID_SEV_INOP =	0x08,	/* link not operational */
	ELS_CLID_SEV_DEG =	0x04,	/* link degraded but operational */
	ELS_CLID_LASER =	0x02,	/* subassembly is a laser */
	ELS_CLID_FRU =		0x01,	/* format can identify a FRU */
};

/*
 * CLID incident code.
 */
enum fc_els_clid_ic {
	ELS_CLID_IC_IMPL =	1,	/* implicit incident */
	ELS_CLID_IC_BER =	2,	/* bit-error-rate threshold exceeded */
	ELS_CLID_IC_LOS =	3,	/* loss of synch or signal */
	ELS_CLID_IC_NOS =	4,	/* non-operational primitive sequence */
	ELS_CLID_IC_PST =	5,	/* primitive sequence timeout */
	ELS_CLID_IC_INVAL =	6,	/* invalid primitive sequence */
	ELS_CLID_IC_LOOP_TO =	7,	/* loop initialization time out */
	ELS_CLID_IC_LIP =	8,	/* receiving LIP */
};

/*
 * Link Integrity event types
 */
enum fc_fpin_li_event_types {
	FPIN_LI_UNKNOWN =		0x0,
	FPIN_LI_LINK_FAILURE =		0x1,
	FPIN_LI_LOSS_OF_SYNC =		0x2,
	FPIN_LI_LOSS_OF_SIG =		0x3,
	FPIN_LI_PRIM_SEQ_ERR =		0x4,
	FPIN_LI_INVALID_TX_WD =		0x5,
	FPIN_LI_INVALID_CRC =		0x6,
	FPIN_LI_DEVICE_SPEC =		0xF,
};

/*
 * Initializer useful for decoding table.
 * Please keep this in sync with the above definitions.
 */
#define FC_FPIN_LI_EVT_TYPES_INIT {					\
	{ FPIN_LI_UNKNOWN,		"Unknown" },			\
	{ FPIN_LI_LINK_FAILURE,		"Link Failure" },		\
	{ FPIN_LI_LOSS_OF_SYNC,		"Loss of Synchronization" },	\
	{ FPIN_LI_LOSS_OF_SIG,		"Loss of Signal" },		\
	{ FPIN_LI_PRIM_SEQ_ERR,		"Primitive Sequence Protocol Error" }, \
	{ FPIN_LI_INVALID_TX_WD,	"Invalid Transmission Word" },	\
	{ FPIN_LI_INVALID_CRC,		"Invalid CRC" },		\
	{ FPIN_LI_DEVICE_SPEC,		"Device Specific" },		\
}

/*
 * Delivery event types
 */
enum fc_fpin_deli_event_types {
	FPIN_DELI_UNKNOWN =		0x0,
	FPIN_DELI_TIMEOUT =		0x1,
	FPIN_DELI_UNABLE_TO_ROUTE =	0x2,
	FPIN_DELI_DEVICE_SPEC =		0xF,
};

/*
 * Initializer useful for decoding table.
 * Please keep this in sync with the above definitions.
 */
#define FC_FPIN_DELI_EVT_TYPES_INIT {					\
	{ FPIN_DELI_UNKNOWN,		"Unknown" },			\
	{ FPIN_DELI_TIMEOUT,		"Timeout" },			\
	{ FPIN_DELI_UNABLE_TO_ROUTE,	"Unable to Route" },		\
	{ FPIN_DELI_DEVICE_SPEC,	"Device Specific" },		\
}

/*
 * Congestion event types
 */
enum fc_fpin_congn_event_types {
	FPIN_CONGN_CLEAR =		0x0,
	FPIN_CONGN_LOST_CREDIT =	0x1,
	FPIN_CONGN_CREDIT_STALL =	0x2,
	FPIN_CONGN_OVERSUBSCRIPTION =	0x3,
	FPIN_CONGN_DEVICE_SPEC =	0xF,
};

/*
 * Initializer useful for decoding table.
 * Please keep this in sync with the above definitions.
 */
#define FC_FPIN_CONGN_EVT_TYPES_INIT {					\
	{ FPIN_CONGN_CLEAR,		"Clear" },			\
	{ FPIN_CONGN_LOST_CREDIT,	"Lost Credit" },		\
	{ FPIN_CONGN_CREDIT_STALL,	"Credit Stall" },		\
	{ FPIN_CONGN_OVERSUBSCRIPTION,	"Oversubscription" },		\
	{ FPIN_CONGN_DEVICE_SPEC,	"Device Specific" },		\
}

enum fc_fpin_congn_severity_types {
	FPIN_CONGN_SEVERITY_WARNING =	0xF1,
	FPIN_CONGN_SEVERITY_ERROR =	0xF7,
};

/*
 * Link Integrity Notification Descriptor
 */
struct fc_fn_li_desc {
	__be32		desc_tag;	/* Descriptor Tag (0x00020001) */
	__be32		desc_len;	/* Length of Descriptor (in bytes).
					 * Size of descriptor excluding
					 * desc_tag and desc_len fields.
					 */
	__be64		detecting_wwpn;	/* Port Name that detected event */
	__be64		attached_wwpn;	/* Port Name of device attached to
					 * detecting Port Name
					 */
	__be16		event_type;	/* see enum fc_fpin_li_event_types */
	__be16		event_modifier;	/* Implementation specific value
					 * describing the event type
					 */
	__be32		event_threshold;/* duration in ms of the link
					 * integrity detection cycle
					 */
	__be32		event_count;	/* minimum number of event
					 * occurrences during the event
					 * threshold to caause the LI event
					 */
	__be32		pname_count;	/* number of portname_list elements */
	__be64		pname_list[0];	/* list of N_Port_Names accessible
					 * through the attached port
					 */
};

/*
 * Delivery Notification Descriptor
 */
struct fc_fn_deli_desc {
	__be32		desc_tag;	/* Descriptor Tag (0x00020002) */
	__be32		desc_len;	/* Length of Descriptor (in bytes).
					 * Size of descriptor excluding
					 * desc_tag and desc_len fields.
					 */
	__be64		detecting_wwpn;	/* Port Name that detected event */
	__be64		attached_wwpn;	/* Port Name of device attached to
					 * detecting Port Name
					 */
	__be32		deli_reason_code;/* see enum fc_fpin_deli_event_types */
};

/*
 * Peer Congestion Notification Descriptor
 */
struct fc_fn_peer_congn_desc {
	__be32		desc_tag;	/* Descriptor Tag (0x00020003) */
	__be32		desc_len;	/* Length of Descriptor (in bytes).
					 * Size of descriptor excluding
					 * desc_tag and desc_len fields.
					 */
	__be64		detecting_wwpn;	/* Port Name that detected event */
	__be64		attached_wwpn;	/* Port Name of device attached to
					 * detecting Port Name
					 */
	__be16		event_type;	/* see enum fc_fpin_congn_event_types */
	__be16		event_modifier;	/* Implementation specific value
					 * describing the event type
					 */
	__be32		event_period;	/* duration (ms) of the detected
					 * congestion event
					 */
	__be32		pname_count;	/* number of portname_list elements */
	__be64		pname_list[0];	/* list of N_Port_Names accessible
					 * through the attached port
					 */
};

/*
 * Congestion Notification Descriptor
 */
struct fc_fn_congn_desc {
	__be32		desc_tag;	/* Descriptor Tag (0x00020004) */
	__be32		desc_len;	/* Length of Descriptor (in bytes).
					 * Size of descriptor excluding
					 * desc_tag and desc_len fields.
					 */
	__be16		event_type;	/* see enum fc_fpin_congn_event_types */
	__be16		event_modifier;	/* Implementation specific value
					 * describing the event type
					 */
	__be32		event_period;	/* duration (ms) of the detected
					 * congestion event
					 */
	__u8		severity;	/* command */
	__u8		resv[3];	/* reserved - must be zero */
};

/*
 * ELS_FPIN - Fabric Performance Impact Notification
 */
struct fc_els_fpin {
	__u8		fpin_cmd;	/* command (0x16) */
	__u8		fpin_zero[3];	/* specified as zero - part of cmd */
	__be32		desc_len;	/* Length of Descriptor List (in bytes).
					 * Size of ELS excluding fpin_cmd,
					 * fpin_zero and desc_len fields.
					 */
	struct fc_tlv_desc	fpin_desc[0];	/* Descriptor list */
};

/* Diagnostic Function Descriptor - FPIN Registration */
struct fc_df_desc_fpin_reg {
	__be32		desc_tag;	/* FPIN Registration (0x00030001) */
	__be32		desc_len;	/* Length of Descriptor (in bytes).
					 * Size of descriptor excluding
					 * desc_tag and desc_len fields.
					 */
	__be32		count;		/* Number of desc_tags elements */
	__be32		desc_tags[0];	/* Array of Descriptor Tags.
					 * Each tag indicates a function
					 * supported by the N_Port (request)
					 * or by the  N_Port and Fabric
					 * Controller (reply; may be a subset
					 * of the request).
					 * See ELS_FN_DTAG_xxx for tag values.
					 */
};

/*
 * ELS_RDF - Register Diagnostic Functions
 */
struct fc_els_rdf {
	__u8		fpin_cmd;	/* command (0x19) */
	__u8		fpin_zero[3];	/* specified as zero - part of cmd */
	__be32		desc_len;	/* Length of Descriptor List (in bytes).
					 * Size of ELS excluding fpin_cmd,
					 * fpin_zero and desc_len fields.
					 */
	struct fc_tlv_desc	desc[0];	/* Descriptor list */
};

/*
 * ELS RDF LS_ACC Response.
 */
struct fc_els_rdf_resp {
	struct fc_els_ls_acc	acc_hdr;
	__be32			desc_list_len;	/* Length of response (in
						 * bytes). Excludes acc_hdr
						 * and desc_list_len fields.
						 */
	struct fc_els_lsri_desc	lsri;
	struct fc_tlv_desc	desc[0];	/* Supported Descriptor list */
};


/*
 * Diagnostic Capability Descriptors for EDC ELS
 */

/*
 * Diagnostic: Link Fault Capability Descriptor
 */
struct fc_diag_lnkflt_desc {
	__be32		desc_tag;	/* Descriptor Tag (0x0001000D) */
	__be32		desc_len;	/* Length of Descriptor (in bytes).
					 * Size of descriptor excluding
					 * desc_tag and desc_len fields.
					 * 12 bytes
					 */
	__be32		degrade_activate_threshold;
	__be32		degrade_deactivate_threshold;
	__be32		fec_degrade_interval;
};

enum fc_edc_cg_signal_cap_types {
	/* Note: Capability: bits 31:4 Rsvd; bits 3:0 are capabilities */
	EDC_CG_SIG_NOTSUPPORTED =	0x00, /* neither supported */
	EDC_CG_SIG_WARN_ONLY =		0x01,
	EDC_CG_SIG_WARN_ALARM =		0x02, /* both supported */
};

/*
 * Initializer useful for decoding table.
 * Please keep this in sync with the above definitions.
 */
#define FC_EDC_CG_SIGNAL_CAP_TYPES_INIT {				\
	{ EDC_CG_SIG_NOTSUPPORTED,	"Signaling Not Supported" },	\
	{ EDC_CG_SIG_WARN_ONLY,		"Warning Signal" },		\
	{ EDC_CG_SIG_WARN_ALARM,	"Warning and Alarm Signals" },	\
}

enum fc_diag_cg_sig_freq_types {
	EDC_CG_SIGFREQ_CNT_MIN =	1,	/* Min Frequency Count */
	EDC_CG_SIGFREQ_CNT_MAX =	999,	/* Max Frequency Count */

	EDC_CG_SIGFREQ_SEC =		0x1,	/* Units: seconds */
	EDC_CG_SIGFREQ_MSEC =		0x2,	/* Units: milliseconds */
};

struct fc_diag_cg_sig_freq {
	__be16		count;		/* Time between signals
					 * note: upper 6 bits rsvd
					 */
	__be16		units;		/* Time unit for count
					 * note: upper 12 bits rsvd
					 */
};

/*
 * Diagnostic: Congestion Signaling Capability Descriptor
 */
struct fc_diag_cg_sig_desc {
	__be32		desc_tag;	/* Descriptor Tag (0x0001000F) */
	__be32		desc_len;	/* Length of Descriptor (in bytes).
					 * Size of descriptor excluding
					 * desc_tag and desc_len fields.
					 * 16 bytes
					 */
	__be32				xmt_signal_capability;
	struct fc_diag_cg_sig_freq	xmt_signal_frequency;
	__be32				rcv_signal_capability;
	struct fc_diag_cg_sig_freq	rcv_signal_frequency;
};

/*
 * ELS_EDC - Exchange Diagnostic Capabilities
 */
struct fc_els_edc {
	__u8		edc_cmd;	/* command (0x17) */
	__u8		edc_zero[3];	/* specified as zero - part of cmd */
	__be32		desc_len;	/* Length of Descriptor List (in bytes).
					 * Size of ELS excluding edc_cmd,
					 * edc_zero and desc_len fields.
					 */
	struct fc_tlv_desc	desc[0];
					/* Diagnostic Descriptor list */
};

/*
 * ELS EDC LS_ACC Response.
 */
struct fc_els_edc_resp {
	struct fc_els_ls_acc	acc_hdr;
	__be32			desc_list_len;	/* Length of response (in
						 * bytes). Excludes acc_hdr
						 * and desc_list_len fields.
						 */
	struct fc_els_lsri_desc	lsri;
	struct fc_tlv_desc	desc[0];
				    /* Supported Diagnostic Descriptor list */
};


#endif /* _FC_ELS_H_ */
PKMxFZ�C�RRscsi_netlink.hnu�[���/* SPDX-License-Identifier: GPL-2.0+ WITH Linux-syscall-note */
/*
 *  SCSI Transport Netlink Interface
 *    Used for the posting of outbound SCSI transport events
 *
 *  Copyright (C) 2006   James Smart, Emulex Corporation
 *
 *  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, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 *
 */
#ifndef SCSI_NETLINK_H
#define SCSI_NETLINK_H

#include <linux/netlink.h>
#include <linux/types.h>

/*
 * This file intended to be included by both kernel and user space
 */

/* Single Netlink Message type to send all SCSI Transport messages */
#define SCSI_TRANSPORT_MSG		NLMSG_MIN_TYPE + 1

/* SCSI Transport Broadcast Groups */
	/* leaving groups 0 and 1 unassigned */
#define SCSI_NL_GRP_FC_EVENTS		(1<<2)		/* Group 2 */
#define SCSI_NL_GRP_CNT			3


/* SCSI_TRANSPORT_MSG event message header */
struct scsi_nl_hdr {
	uint8_t version;
	uint8_t transport;
	uint16_t magic;
	uint16_t msgtype;
	uint16_t msglen;
} __attribute__((aligned(sizeof(uint64_t))));

/* scsi_nl_hdr->version value */
#define SCSI_NL_VERSION				1

/* scsi_nl_hdr->magic value */
#define SCSI_NL_MAGIC				0xA1B2

/* scsi_nl_hdr->transport value */
#define SCSI_NL_TRANSPORT			0
#define SCSI_NL_TRANSPORT_FC			1
#define SCSI_NL_MAX_TRANSPORTS			2

/* Transport-based scsi_nl_hdr->msgtype values are defined in each transport */

/*
 * GENERIC SCSI scsi_nl_hdr->msgtype Values
 */
	/* kernel -> user */
#define SCSI_NL_SHOST_VENDOR			0x0001
	/* user -> kernel */
/* SCSI_NL_SHOST_VENDOR msgtype is kernel->user and user->kernel */


/*
 * Message Structures :
 */

/* macro to round up message lengths to 8byte boundary */
#define SCSI_NL_MSGALIGN(len)		(((len) + 7) & ~7)


/*
 * SCSI HOST Vendor Unique messages :
 *   SCSI_NL_SHOST_VENDOR
 *
 * Note: The Vendor Unique message payload will begin directly after
 * 	 this structure, with the length of the payload per vmsg_datalen.
 *
 * Note: When specifying vendor_id, be sure to read the Vendor Type and ID
 *   formatting requirements specified below
 */
struct scsi_nl_host_vendor_msg {
	struct scsi_nl_hdr snlh;		/* must be 1st element ! */
	uint64_t vendor_id;
	uint16_t host_no;
	uint16_t vmsg_datalen;
} __attribute__((aligned(sizeof(uint64_t))));


/*
 * Vendor ID:
 *   If transports post vendor-unique events, they must pass a well-known
 *   32-bit vendor identifier. This identifier consists of 8 bits indicating
 *   the "type" of identifier contained, and 24 bits of id data.
 *
 *   Identifiers for each type:
 *    PCI :  ID data is the 16 bit PCI Registered Vendor ID
 */
#define SCSI_NL_VID_TYPE_SHIFT		56
#define SCSI_NL_VID_TYPE_MASK		((__u64)0xFF << SCSI_NL_VID_TYPE_SHIFT)
#define SCSI_NL_VID_TYPE_PCI		((__u64)0x01 << SCSI_NL_VID_TYPE_SHIFT)
#define SCSI_NL_VID_ID_MASK		(~ SCSI_NL_VID_TYPE_MASK)


#define INIT_SCSI_NL_HDR(hdr, t, mtype, mlen)			\
	{							\
	(hdr)->version = SCSI_NL_VERSION;			\
	(hdr)->transport = t;					\
	(hdr)->magic = SCSI_NL_MAGIC;				\
	(hdr)->msgtype = mtype;					\
	(hdr)->msglen = mlen;					\
	}

#endif /* SCSI_NETLINK_H */

PKMxFZC	7���scsi_netlink_fc.hnu�[���/* SPDX-License-Identifier: GPL-2.0+ WITH Linux-syscall-note */
/*
 *  FC Transport Netlink Interface
 *
 *  Copyright (C) 2006   James Smart, Emulex Corporation
 *
 *  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, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 *
 */
#ifndef SCSI_NETLINK_FC_H
#define SCSI_NETLINK_FC_H

#include <scsi/scsi_netlink.h>

/*
 * This file intended to be included by both kernel and user space
 */

/*
 * FC Transport Message Types
 */
	/* kernel -> user */
#define FC_NL_ASYNC_EVENT			0x0100
	/* user -> kernel */
/* none */


/*
 * Message Structures :
 */

/* macro to round up message lengths to 8byte boundary */
#define FC_NL_MSGALIGN(len)		(((len) + 7) & ~7)


/*
 * FC Transport Broadcast Event Message :
 *   FC_NL_ASYNC_EVENT
 *
 * Note: if Vendor Unique message, &event_data will be  start of
 * 	 vendor unique payload, and the length of the payload is
 *       per event_datalen
 *
 * Note: When specifying vendor_id, be sure to read the Vendor Type and ID
 *   formatting requirements specified in scsi_netlink.h
 */
struct fc_nl_event {
	struct scsi_nl_hdr snlh;		/* must be 1st element ! */
	uint64_t seconds;
	uint64_t vendor_id;
	uint16_t host_no;
	uint16_t event_datalen;
	uint32_t event_num;
	uint32_t event_code;
	uint32_t event_data;
} __attribute__((aligned(sizeof(uint64_t))));


#endif /* SCSI_NETLINK_FC_H */

PKMxFZy�?
99scsi.hnu�[���/* Copyright (C) 1998-2018 Free Software Foundation, Inc.
   This file is part of the GNU C Library.

   The GNU C Library is free software; you can redistribute it and/or
   modify it under the terms of the GNU Lesser General Public
   License as published by the Free Software Foundation; either
   version 2.1 of the License, or (at your option) any later version.

   The GNU C Library 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
   Lesser General Public License for more details.

   You should have received a copy of the GNU Lesser General Public
   License along with the GNU C Library; if not, see
   <http://www.gnu.org/licenses/>.  */

/*
 * This header file contains public constants and structures used by
 * the scsi code for linux.
 */

#ifndef _SCSI_SCSI_H
#define _SCSI_SCSI_H	1

#include <features.h>

/*
 *      SCSI opcodes
 */

#define TEST_UNIT_READY       0x00
#define REZERO_UNIT           0x01
#define REQUEST_SENSE         0x03
#define FORMAT_UNIT           0x04
#define READ_BLOCK_LIMITS     0x05
#define REASSIGN_BLOCKS       0x07
#define READ_6                0x08
#define WRITE_6               0x0a
#define SEEK_6                0x0b
#define READ_REVERSE          0x0f
#define WRITE_FILEMARKS       0x10
#define SPACE                 0x11
#define INQUIRY               0x12
#define RECOVER_BUFFERED_DATA 0x14
#define MODE_SELECT           0x15
#define RESERVE               0x16
#define RELEASE               0x17
#define COPY                  0x18
#define ERASE                 0x19
#define MODE_SENSE            0x1a
#define START_STOP            0x1b
#define RECEIVE_DIAGNOSTIC    0x1c
#define SEND_DIAGNOSTIC       0x1d
#define ALLOW_MEDIUM_REMOVAL  0x1e

#define SET_WINDOW            0x24
#define READ_CAPACITY         0x25
#define READ_10               0x28
#define WRITE_10              0x2a
#define SEEK_10               0x2b
#define WRITE_VERIFY          0x2e
#define VERIFY                0x2f
#define SEARCH_HIGH           0x30
#define SEARCH_EQUAL          0x31
#define SEARCH_LOW            0x32
#define SET_LIMITS            0x33
#define PRE_FETCH             0x34
#define READ_POSITION         0x34
#define SYNCHRONIZE_CACHE     0x35
#define LOCK_UNLOCK_CACHE     0x36
#define READ_DEFECT_DATA      0x37
#define MEDIUM_SCAN           0x38
#define COMPARE               0x39
#define COPY_VERIFY           0x3a
#define WRITE_BUFFER          0x3b
#define READ_BUFFER           0x3c
#define UPDATE_BLOCK          0x3d
#define READ_LONG             0x3e
#define WRITE_LONG            0x3f
#define CHANGE_DEFINITION     0x40
#define WRITE_SAME            0x41
#define READ_TOC              0x43
#define LOG_SELECT            0x4c
#define LOG_SENSE             0x4d
#define MODE_SELECT_10        0x55
#define RESERVE_10            0x56
#define RELEASE_10            0x57
#define MODE_SENSE_10         0x5a
#define PERSISTENT_RESERVE_IN 0x5e
#define PERSISTENT_RESERVE_OUT 0x5f
#define MOVE_MEDIUM           0xa5
#define READ_12               0xa8
#define WRITE_12              0xaa
#define WRITE_VERIFY_12       0xae
#define SEARCH_HIGH_12        0xb0
#define SEARCH_EQUAL_12       0xb1
#define SEARCH_LOW_12         0xb2
#define READ_ELEMENT_STATUS   0xb8
#define SEND_VOLUME_TAG       0xb6
#define WRITE_LONG_2          0xea

/*
 *  Status codes
 */

#define GOOD                 0x00
#define CHECK_CONDITION      0x01
#define CONDITION_GOOD       0x02
#define BUSY                 0x04
#define INTERMEDIATE_GOOD    0x08
#define INTERMEDIATE_C_GOOD  0x0a
#define RESERVATION_CONFLICT 0x0c
#define COMMAND_TERMINATED   0x11
#define QUEUE_FULL           0x14

#define STATUS_MASK          0x3e

/*
 *  SENSE KEYS
 */

#define NO_SENSE            0x00
#define RECOVERED_ERROR     0x01
#define NOT_READY           0x02
#define MEDIUM_ERROR        0x03
#define HARDWARE_ERROR      0x04
#define ILLEGAL_REQUEST     0x05
#define UNIT_ATTENTION      0x06
#define DATA_PROTECT        0x07
#define BLANK_CHECK         0x08
#define COPY_ABORTED        0x0a
#define ABORTED_COMMAND     0x0b
#define VOLUME_OVERFLOW     0x0d
#define MISCOMPARE          0x0e


/*
 *  DEVICE TYPES
 */

#define TYPE_DISK           0x00
#define TYPE_TAPE           0x01
#define TYPE_PROCESSOR      0x03    /* HP scanners use this */
#define TYPE_WORM           0x04    /* Treated as ROM by our system */
#define TYPE_ROM            0x05
#define TYPE_SCANNER        0x06
#define TYPE_MOD            0x07    /* Magneto-optical disk -
				     * - treated as TYPE_DISK */
#define TYPE_MEDIUM_CHANGER 0x08
#define TYPE_ENCLOSURE	    0x0d    /* Enclosure Services Device */
#define TYPE_NO_LUN         0x7f

/*
 * standard mode-select header prepended to all mode-select commands
 *
 * moved here from cdrom.h -- kraxel
 */

struct ccs_modesel_head
  {
    unsigned char _r1;			/* reserved.  */
    unsigned char medium;		/* device-specific medium type.  */
    unsigned char _r2;			/* reserved.  */
    unsigned char block_desc_length;	/* block descriptor length.  */
    unsigned char density;		/* device-specific density code.  */
    unsigned char number_blocks_hi;	/* number of blocks in this block
					   desc.  */
    unsigned char number_blocks_med;
    unsigned char number_blocks_lo;
    unsigned char _r3;
    unsigned char block_length_hi;	/* block length for blocks in this
					   desc.  */
    unsigned char block_length_med;
    unsigned char block_length_lo;
  };

/*
 *  MESSAGE CODES
 */

#define COMMAND_COMPLETE    0x00
#define EXTENDED_MESSAGE    0x01
#define     EXTENDED_MODIFY_DATA_POINTER    0x00
#define     EXTENDED_SDTR                   0x01
#define     EXTENDED_EXTENDED_IDENTIFY      0x02    /* SCSI-I only */
#define     EXTENDED_WDTR                   0x03
#define SAVE_POINTERS       0x02
#define RESTORE_POINTERS    0x03
#define DISCONNECT          0x04
#define INITIATOR_ERROR     0x05
#define ABORT               0x06
#define MESSAGE_REJECT      0x07
#define NOP                 0x08
#define MSG_PARITY_ERROR    0x09
#define LINKED_CMD_COMPLETE 0x0a
#define LINKED_FLG_CMD_COMPLETE 0x0b
#define BUS_DEVICE_RESET    0x0c

#define INITIATE_RECOVERY   0x0f            /* SCSI-II only */
#define RELEASE_RECOVERY    0x10            /* SCSI-II only */

#define SIMPLE_QUEUE_TAG    0x20
#define HEAD_OF_QUEUE_TAG   0x21
#define ORDERED_QUEUE_TAG   0x22

/*
 * Here are some scsi specific ioctl commands which are sometimes useful.
 */
/* These are a few other constants only used by scsi devices.  */

#define SCSI_IOCTL_GET_IDLUN 0x5382

/* Used to turn on and off tagged queuing for scsi devices.  */

#define SCSI_IOCTL_TAGGED_ENABLE 0x5383
#define SCSI_IOCTL_TAGGED_DISABLE 0x5384

/* Used to obtain the host number of a device.  */
#define SCSI_IOCTL_PROBE_HOST 0x5385

/* Used to get the bus number for a device.  */
#define SCSI_IOCTL_GET_BUS_NUMBER 0x5386

#endif /* scsi/scsi.h */
PKMxFZ.�M��-�-sg.hnu�[���/* Copyright (C) 1997-2018 Free Software Foundation, Inc.
   This file is part of the GNU C Library.

   The GNU C Library is free software; you can redistribute it and/or
   modify it under the terms of the GNU Lesser General Public
   License as published by the Free Software Foundation; either
   version 2.1 of the License, or (at your option) any later version.

   The GNU C Library 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
   Lesser General Public License for more details.

   You should have received a copy of the GNU Lesser General Public
   License along with the GNU C Library; if not, see
   <http://www.gnu.org/licenses/>.  */

/*
   History:
    Started: Aug 9 by Lawrence Foard (entropy@world.std.com), to allow user
     process control of SCSI devices.
    Development Sponsored by Killy Corp. NY NY
*/

#ifndef _SCSI_SG_H
#define _SCSI_SG_H	1

#include <features.h>
#define __need_size_t
#include <stddef.h>


/* New interface introduced in the 3.x SG drivers follows */

/* Same structure as used by readv() Linux system call. It defines one
   scatter-gather element. */
typedef struct sg_iovec
{
  void * iov_base;            /* Starting address  */
  size_t iov_len;             /* Length in bytes  */
} sg_iovec_t;


typedef struct sg_io_hdr
{
  int interface_id;           /* [i] 'S' for SCSI generic (required) */
  int dxfer_direction;        /* [i] data transfer direction  */
  unsigned char cmd_len;      /* [i] SCSI command length ( <= 16 bytes) */
  unsigned char mx_sb_len;    /* [i] max length to write to sbp */
  unsigned short int iovec_count; /* [i] 0 implies no scatter gather */
  unsigned int dxfer_len;     /* [i] byte count of data transfer */
  void * dxferp;              /* [i], [*io] points to data transfer memory
				 or scatter gather list */
  unsigned char * cmdp;       /* [i], [*i] points to command to perform */
  unsigned char * sbp;        /* [i], [*o] points to sense_buffer memory */
  unsigned int timeout;       /* [i] MAX_UINT->no timeout (unit: millisec) */
  unsigned int flags;         /* [i] 0 -> default, see SG_FLAG... */
  int pack_id;                /* [i->o] unused internally (normally) */
  void * usr_ptr;             /* [i->o] unused internally */
  unsigned char status;       /* [o] scsi status */
  unsigned char masked_status;/* [o] shifted, masked scsi status */
  unsigned char msg_status;   /* [o] messaging level data (optional) */
  unsigned char sb_len_wr;    /* [o] byte count actually written to sbp */
  unsigned short int host_status; /* [o] errors from host adapter */
  unsigned short int driver_status;/* [o] errors from software driver */
  int resid;                  /* [o] dxfer_len - actual_transferred */
  unsigned int duration;      /* [o] time taken by cmd (unit: millisec) */
  unsigned int info;          /* [o] auxiliary information */
} sg_io_hdr_t;


/* Use negative values to flag difference from original sg_header structure.  */
#define SG_DXFER_NONE -1        /* e.g. a SCSI Test Unit Ready command */
#define SG_DXFER_TO_DEV -2      /* e.g. a SCSI WRITE command */
#define SG_DXFER_FROM_DEV -3    /* e.g. a SCSI READ command */
#define SG_DXFER_TO_FROM_DEV -4 /* treated like SG_DXFER_FROM_DEV with the
				   additional property than during indirect
				   IO the user buffer is copied into the
				   kernel buffers before the transfer */


/* following flag values can be "or"-ed together */
#define SG_FLAG_DIRECT_IO 1     /* default is indirect IO */
#define SG_FLAG_LUN_INHIBIT 2   /* default is to put device's lun into */
				/* the 2nd byte of SCSI command */
#define SG_FLAG_NO_DXFER 0x10000 /* no transfer of kernel buffers to/from */
				/* user space (debug indirect IO) */

/* The following 'info' values are "or"-ed together.  */
#define SG_INFO_OK_MASK	0x1
#define SG_INFO_OK	0x0	/* no sense, host nor driver "noise" */
#define SG_INFO_CHECK	0x1     /* something abnormal happened */

#define SG_INFO_DIRECT_IO_MASK	0x6
#define SG_INFO_INDIRECT_IO 	0x0	/* data xfer via kernel buffers (or no xfer) */
#define SG_INFO_DIRECT_IO 	0x2	/* direct IO requested and performed */
#define SG_INFO_MIXED_IO 	0x4	/* part direct, part indirect IO */


/* Request information about a specific SG device, used by
   SG_GET_SCSI_ID ioctl ().  */
struct sg_scsi_id {
  /* Host number as in "scsi<n>" where 'n' is one of 0, 1, 2 etc.  */
  int host_no;
  int channel;
  /* SCSI id of target device.  */
  int scsi_id;
  int lun;
  /* TYPE_... defined in <scsi/scsi.h>.  */
  int scsi_type;
  /* Host (adapter) maximum commands per lun.  */
  short int h_cmd_per_lun;
  /* Device (or adapter) maximum queue length.  */
  short int d_queue_depth;
  /* Unused, set to 0 for now.  */
  int unused[2];
};

/* Used by SG_GET_REQUEST_TABLE ioctl().  */
typedef struct sg_req_info {
    char req_state;     /* 0 -> not used, 1 -> written, 2 -> ready to read */
    char orphan;        /* 0 -> normal request, 1 -> from interruped SG_IO */
    char sg_io_owned;   /* 0 -> complete with read(), 1 -> owned by SG_IO */
    char problem;       /* 0 -> no problem detected, 1 -> error to report */
    int pack_id;        /* pack_id associated with request */
    void * usr_ptr;     /* user provided pointer (in new interface) */
    unsigned int duration; /* millisecs elapsed since written (req_state==1)
			      or request duration (req_state==2) */
    int unused;
} sg_req_info_t;


/* IOCTLs: Those ioctls that are relevant to the SG 3.x drivers follow.
 [Those that only apply to the SG 2.x drivers are at the end of the file.]
 (_GET_s yield result via 'int *' 3rd argument unless otherwise indicated) */

#define SG_EMULATED_HOST 0x2203 /* true for emulated host adapter (ATAPI) */

/* Used to configure SCSI command transformation layer for ATAPI devices */
/* Only supported by the ide-scsi driver */
#define SG_SET_TRANSFORM 0x2204 /* N.B. 3rd arg is not pointer but value: */
		      /* 3rd arg = 0 to disable transform, 1 to enable it */
#define SG_GET_TRANSFORM 0x2205

#define SG_SET_RESERVED_SIZE 0x2275  /* request a new reserved buffer size */
#define SG_GET_RESERVED_SIZE 0x2272  /* actual size of reserved buffer */

/* The following ioctl has a 'sg_scsi_id_t *' object as its 3rd argument. */
#define SG_GET_SCSI_ID 0x2276   /* Yields fd's bus, chan, dev, lun + type */
/* SCSI id information can also be obtained from SCSI_IOCTL_GET_IDLUN */

/* Override host setting and always DMA using low memory ( <16MB on i386) */
#define SG_SET_FORCE_LOW_DMA 0x2279  /* 0-> use adapter setting, 1-> force */
#define SG_GET_LOW_DMA 0x227a   /* 0-> use all ram for dma; 1-> low dma ram */

/* When SG_SET_FORCE_PACK_ID set to 1, pack_id is input to read() which
   tries to fetch a packet with a matching pack_id, waits, or returns EAGAIN.
   If pack_id is -1 then read oldest waiting. When ...FORCE_PACK_ID set to 0
   then pack_id ignored by read() and oldest readable fetched. */
#define SG_SET_FORCE_PACK_ID 0x227b
#define SG_GET_PACK_ID 0x227c /* Yields oldest readable pack_id (or -1) */

#define SG_GET_NUM_WAITING 0x227d /* Number of commands awaiting read() */

/* Yields max scatter gather tablesize allowed by current host adapter */
#define SG_GET_SG_TABLESIZE 0x227F  /* 0 implies can't do scatter gather */

#define SG_GET_VERSION_NUM 0x2282 /* Example: version 2.1.34 yields 20134 */

/* Returns -EBUSY if occupied. 3rd argument pointer to int (see next) */
#define SG_SCSI_RESET 0x2284
/* Associated values that can be given to SG_SCSI_RESET follow */
#define SG_SCSI_RESET_NOTHING	0
#define SG_SCSI_RESET_DEVICE	1
#define SG_SCSI_RESET_BUS	2
#define SG_SCSI_RESET_HOST	3

/* synchronous SCSI command ioctl, (only in version 3 interface) */
#define SG_IO 0x2285   /* similar effect as write() followed by read() */

#define SG_GET_REQUEST_TABLE 0x2286   /* yields table of active requests */

/* How to treat EINTR during SG_IO ioctl(), only in SG 3.x series */
#define SG_SET_KEEP_ORPHAN 0x2287 /* 1 -> hold for read(), 0 -> drop (def) */
#define SG_GET_KEEP_ORPHAN 0x2288


#define SG_SCATTER_SZ (8 * 4096)  /* PAGE_SIZE not available to user */
/* Largest size (in bytes) a single scatter-gather list element can have.
   The value must be a power of 2 and <= (PAGE_SIZE * 32) [131072 bytes on
   i386]. The minimum value is PAGE_SIZE. If scatter-gather not supported
   by adapter then this value is the largest data block that can be
   read/written by a single scsi command. The user can find the value of
   PAGE_SIZE by calling getpagesize() defined in unistd.h . */

#define SG_DEFAULT_RETRIES 1

/* Defaults, commented if they differ from original sg driver */
#define SG_DEF_FORCE_LOW_DMA 0  /* was 1 -> memory below 16MB on i386 */
#define SG_DEF_FORCE_PACK_ID 0
#define SG_DEF_KEEP_ORPHAN 0
#define SG_DEF_RESERVED_SIZE SG_SCATTER_SZ /* load time option */

/* maximum outstanding requests, write() yields EDOM if exceeded */
#define SG_MAX_QUEUE 16

#define SG_BIG_BUFF SG_DEF_RESERVED_SIZE    /* for backward compatibility */

/* Alternate style type names, "..._t" variants preferred */
typedef struct sg_io_hdr Sg_io_hdr;
typedef struct sg_io_vec Sg_io_vec;
typedef struct sg_scsi_id Sg_scsi_id;
typedef struct sg_req_info Sg_req_info;


/* vvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvv */
/*   The older SG interface based on the 'sg_header' structure follows.   */
/* ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ */

#define SG_MAX_SENSE 16   /* this only applies to the sg_header interface */

struct sg_header
 {
   /* Length of incoming packet (including header).  */
   int pack_len;
   /* Maximal length of expected reply.  */
   int reply_len;
   /* Id number of packet.  */
   int pack_id;
   /* 0==ok, otherwise error number.  */
   int result;
   /* Force 12 byte command length for group 6 & 7 commands.  */
   unsigned int twelve_byte:1;
   /* SCSI status from target.  */
   unsigned int target_status:5;
   /* Host status (see "DID" codes).  */
   unsigned int host_status:8;
   /* Driver status+suggestion.  */
   unsigned int driver_status:8;
   /* Unused.  */
   unsigned int other_flags:10;
   /* Output in 3 cases:
      when target_status is CHECK_CONDITION or
      when target_status is COMMAND_TERMINATED or
      when (driver_status & DRIVER_SENSE) is true.  */
   unsigned char sense_buffer[SG_MAX_SENSE];
 };


/* IOCTLs: The following are not required (or ignored) when the sg_io_hdr_t
	   interface is used. They are kept for backward compatibility with
	   the original and version 2 drivers. */

#define SG_SET_TIMEOUT		0x2201	/* Set timeout; *(int *)arg==timeout.  */
#define SG_GET_TIMEOUT		0x2202	/* Get timeout; return timeout.  */

/* Get/set command queuing state per fd (default is SG_DEF_COMMAND_Q). */
#define SG_GET_COMMAND_Q	0x2270	/* Yields 0 (queuing off) or 1 (on).  */
#define SG_SET_COMMAND_Q 	0x2271	/* Change queuing state with 0 or 1.  */

/* Turn on error sense trace (1..8), dump this device to log/console (9)
   or dump all sg device states ( >9 ) to log/console.  */
#define SG_SET_DEBUG		0x227e	/* 0 -> turn off debug */

#define SG_NEXT_CMD_LEN		0x2283	/* Override SCSI command length with given
					   number on the next write() on this file
					   descriptor.  */

/* Defaults, commented if they differ from original sg driver */
#define SG_DEFAULT_TIMEOUT (60*HZ) /* HZ == 'jiffies in 1 second' */
#define SG_DEF_COMMAND_Q 0     /* command queuing is always on when
				  the new interface is used */
#define SG_DEF_UNDERRUN_FLAG 0


#endif	/* scsi/sg.h */
PKMxFZ�нJ�<�<scsi_bsg_mpi3mr.hnu�[���/* SPDX-License-Identifier: GPL-2.0-or-later WITH Linux-syscall-note */
/*
 * Driver for Broadcom MPI3 Storage Controllers
 *
 * Copyright (C) 2017-2022 Broadcom Inc.
 *  (mailto: mpi3mr-linuxdrv.pdl@broadcom.com)
 *
 */

#ifndef SCSI_BSG_MPI3MR_H_INCLUDED
#define SCSI_BSG_MPI3MR_H_INCLUDED

#include <linux/types.h>

/* Definitions for BSG commands */
#define MPI3MR_IOCTL_VERSION			0x06

#define MPI3MR_APP_DEFAULT_TIMEOUT		(60) /*seconds*/

#define MPI3MR_BSG_ADPTYPE_UNKNOWN		0
#define MPI3MR_BSG_ADPTYPE_AVGFAMILY		1

#define MPI3MR_BSG_ADPSTATE_UNKNOWN		0
#define MPI3MR_BSG_ADPSTATE_OPERATIONAL		1
#define MPI3MR_BSG_ADPSTATE_FAULT		2
#define MPI3MR_BSG_ADPSTATE_IN_RESET		3
#define MPI3MR_BSG_ADPSTATE_UNRECOVERABLE	4

#define MPI3MR_BSG_ADPRESET_UNKNOWN		0
#define MPI3MR_BSG_ADPRESET_SOFT		1
#define MPI3MR_BSG_ADPRESET_DIAG_FAULT		2

#define MPI3MR_BSG_LOGDATA_MAX_ENTRIES		400
#define MPI3MR_BSG_LOGDATA_ENTRY_HEADER_SZ	4

#define MPI3MR_DRVBSG_OPCODE_UNKNOWN		0
#define MPI3MR_DRVBSG_OPCODE_ADPINFO		1
#define MPI3MR_DRVBSG_OPCODE_ADPRESET		2
#define MPI3MR_DRVBSG_OPCODE_ALLTGTDEVINFO	4
#define MPI3MR_DRVBSG_OPCODE_GETCHGCNT		5
#define MPI3MR_DRVBSG_OPCODE_LOGDATAENABLE	6
#define MPI3MR_DRVBSG_OPCODE_PELENABLE		7
#define MPI3MR_DRVBSG_OPCODE_GETLOGDATA		8
#define MPI3MR_DRVBSG_OPCODE_QUERY_HDB		9
#define MPI3MR_DRVBSG_OPCODE_REPOST_HDB		10
#define MPI3MR_DRVBSG_OPCODE_UPLOAD_HDB		11
#define MPI3MR_DRVBSG_OPCODE_REFRESH_HDB_TRIGGERS	12


#define MPI3MR_BSG_BUFTYPE_UNKNOWN		0
#define MPI3MR_BSG_BUFTYPE_RAIDMGMT_CMD		1
#define MPI3MR_BSG_BUFTYPE_RAIDMGMT_RESP	2
#define MPI3MR_BSG_BUFTYPE_DATA_IN		3
#define MPI3MR_BSG_BUFTYPE_DATA_OUT		4
#define MPI3MR_BSG_BUFTYPE_MPI_REPLY		5
#define MPI3MR_BSG_BUFTYPE_ERR_RESPONSE		6
#define MPI3MR_BSG_BUFTYPE_MPI_REQUEST		0xFE

#define MPI3MR_BSG_MPI_REPLY_BUFTYPE_UNKNOWN	0
#define MPI3MR_BSG_MPI_REPLY_BUFTYPE_STATUS	1
#define MPI3MR_BSG_MPI_REPLY_BUFTYPE_ADDRESS	2

#define MPI3MR_HDB_BUFTYPE_UNKNOWN		0
#define MPI3MR_HDB_BUFTYPE_TRACE		1
#define MPI3MR_HDB_BUFTYPE_FIRMWARE		2
#define MPI3MR_HDB_BUFTYPE_RESERVED		3

#define MPI3MR_HDB_BUFSTATUS_UNKNOWN		0
#define MPI3MR_HDB_BUFSTATUS_NOT_ALLOCATED	1
#define MPI3MR_HDB_BUFSTATUS_POSTED_UNPAUSED	2
#define MPI3MR_HDB_BUFSTATUS_POSTED_PAUSED	3
#define MPI3MR_HDB_BUFSTATUS_RELEASED		4

#define MPI3MR_HDB_TRIGGER_TYPE_UNKNOWN		0
#define MPI3MR_HDB_TRIGGER_TYPE_DIAGFAULT	1
#define MPI3MR_HDB_TRIGGER_TYPE_ELEMENT		2
#define MPI3MR_HDB_TRIGGER_TYPE_MASTER		3


/* Supported BSG commands */
enum command {
	MPI3MR_DRV_CMD = 1,
	MPI3MR_MPT_CMD = 2,
};

/**
 * struct mpi3_driver_info_layout - Information about driver
 *
 * @information_length: Length of this structure in bytes
 * @driver_signature: Driver Vendor name
 * @os_name: Operating System Name
 * @driver_name: Driver name
 * @driver_version: Driver version
 * @driver_release_date: Driver release date
 * @driver_capabilities: Driver capabilities
 */
struct mpi3_driver_info_layout {
	__le32	information_length;
	__u8	driver_signature[12];
	__u8	os_name[16];
	__u8	os_version[12];
	__u8	driver_name[20];
	__u8	driver_version[32];
	__u8	driver_release_date[20];
	__le32	driver_capabilities;
};

/**
 * struct mpi3mr_bsg_in_adpinfo - Adapter information request
 * data returned by the driver.
 *
 * @adp_type: Adapter type
 * @rsvd1: Reserved
 * @pci_dev_id: PCI device ID of the adapter
 * @pci_dev_hw_rev: PCI revision of the adapter
 * @pci_subsys_dev_id: PCI subsystem device ID of the adapter
 * @pci_subsys_ven_id: PCI subsystem vendor ID of the adapter
 * @pci_dev: PCI device
 * @pci_func: PCI function
 * @pci_bus: PCI bus
 * @rsvd2: Reserved
 * @pci_seg_id: PCI segment ID
 * @app_intfc_ver: version of the application interface definition
 * @rsvd3: Reserved
 * @rsvd4: Reserved
 * @rsvd5: Reserved
 * @driver_info: Driver Information (Version/Name)
 */
struct mpi3mr_bsg_in_adpinfo {
	__u32	adp_type;
	__u32	rsvd1;
	__u32	pci_dev_id;
	__u32	pci_dev_hw_rev;
	__u32	pci_subsys_dev_id;
	__u32	pci_subsys_ven_id;
	__u32	pci_dev:5;
	__u32	pci_func:3;
	__u32	pci_bus:8;
	__u16	rsvd2;
	__u32	pci_seg_id;
	__u32	app_intfc_ver;
	__u8	adp_state;
	__u8	rsvd3;
	__u16	rsvd4;
	__u32	rsvd5[2];
	struct mpi3_driver_info_layout driver_info;
};

/**
 * struct mpi3mr_bsg_adp_reset - Adapter reset request
 * payload data to the driver.
 *
 * @reset_type: Reset type
 * @rsvd1: Reserved
 * @rsvd2: Reserved
 */
struct mpi3mr_bsg_adp_reset {
	__u8	reset_type;
	__u8	rsvd1;
	__u16	rsvd2;
};

/**
 * struct mpi3mr_change_count - Topology change count
 * returned by the driver.
 *
 * @change_count: Topology change count
 * @rsvd: Reserved
 */
struct mpi3mr_change_count {
	__u16	change_count;
	__u16	rsvd;
};

/**
 * struct mpi3mr_device_map_info - Target device mapping
 * information
 *
 * @handle: Firmware device handle
 * @perst_id: Persistent ID assigned by the firmware
 * @target_id: Target ID assigned by the driver
 * @bus_id: Bus ID assigned by the driver
 * @rsvd1: Reserved
 * @rsvd2: Reserved
 */
struct mpi3mr_device_map_info {
	__u16	handle;
	__u16	perst_id;
	__u32	target_id;
	__u8	bus_id;
	__u8	rsvd1;
	__u16	rsvd2;
};

/**
 * struct mpi3mr_all_tgt_info - Target device mapping
 * information returned by the driver
 *
 * @num_devices: The number of devices in driver's inventory
 * @rsvd1: Reserved
 * @rsvd2: Reserved
 * @dmi: Variable length array of mapping information of targets
 */
struct mpi3mr_all_tgt_info {
	__u16	num_devices;
	__u16	rsvd1;
	__u32	rsvd2;
	struct mpi3mr_device_map_info dmi[1];
};

/**
 * struct mpi3mr_logdata_enable - Number of log data
 * entries saved by the driver returned as payload data for
 * enable logdata BSG request by the driver.
 *
 * @max_entries: Number of log data entries cached by the driver
 * @rsvd: Reserved
 */
struct mpi3mr_logdata_enable {
	__u16	max_entries;
	__u16	rsvd;
};

/**
 * struct mpi3mr_bsg_out_pel_enable - PEL enable request payload
 * data to the driver.
 *
 * @pel_locale: PEL locale to the firmware
 * @pel_class: PEL class to the firmware
 * @rsvd: Reserved
 */
struct mpi3mr_bsg_out_pel_enable {
	__u16	pel_locale;
	__u8	pel_class;
	__u8	rsvd;
};

/**
 * struct mpi3mr_logdata_entry - Log data entry cached by the
 * driver.
 *
 * @valid_entry: Is the entry valid
 * @rsvd1: Reserved
 * @rsvd2: Reserved
 * @data: Variable length Log entry data
 */
struct mpi3mr_logdata_entry {
	__u8	valid_entry;
	__u8	rsvd1;
	__u16	rsvd2;
	__u8	data[1]; /* Variable length Array */
};

/**
 * struct mpi3mr_bsg_in_log_data - Log data entries saved by
 * the driver returned as payload data for Get logdata request
 * by the driver.
 *
 * @entry: Variable length Log data entry array
 */
struct mpi3mr_bsg_in_log_data {
	struct mpi3mr_logdata_entry entry[1];
};

/**
 * struct mpi3mr_hdb_entry - host diag buffer entry.
 *
 * @buf_type: Buffer type
 * @status: Buffer status
 * @trigger_type: Trigger type
 * @rsvd1: Reserved
 * @size: Buffer size
 * @rsvd2: Reserved
 * @trigger_data: Trigger specific data
 * @rsvd3: Reserved
 * @rsvd4: Reserved
 */
struct mpi3mr_hdb_entry {
	__u8	buf_type;
	__u8	status;
	__u8	trigger_type;
	__u8	rsvd1;
	__u16	size;
	__u16	rsvd2;
	__u64	trigger_data;
	__u32	rsvd3;
	__u32	rsvd4;
};


/**
 * struct mpi3mr_bsg_in_hdb_status - This structure contains
 * return data for the BSG request to retrieve the number of host
 * diagnostic buffers supported by the driver and their current
 * status and additional status specific data if any in forms of
 * multiple hdb entries.
 *
 * @num_hdb_types: Number of host diag buffer types supported
 * @rsvd1: Reserved
 * @rsvd2: Reserved
 * @rsvd3: Reserved
 * @entry: Variable length Diag buffer status entry array
 */
struct mpi3mr_bsg_in_hdb_status {
	__u8	num_hdb_types;
	__u8	rsvd1;
	__u16	rsvd2;
	__u32	rsvd3;
	struct mpi3mr_hdb_entry entry[1];
};

/**
 * struct mpi3mr_bsg_out_repost_hdb - Repost host diagnostic
 * buffer request payload data to the driver.
 *
 * @buf_type: Buffer type
 * @rsvd1: Reserved
 * @rsvd2: Reserved
 */
struct mpi3mr_bsg_out_repost_hdb {
	__u8	buf_type;
	__u8	rsvd1;
	__u16	rsvd2;
};

/**
 * struct mpi3mr_bsg_out_upload_hdb - Upload host diagnostic
 * buffer request payload data to the driver.
 *
 * @buf_type: Buffer type
 * @rsvd1: Reserved
 * @rsvd2: Reserved
 * @start_offset: Start offset of the buffer from where to copy
 * @length: Length of the buffer to copy
 */
struct mpi3mr_bsg_out_upload_hdb {
	__u8	buf_type;
	__u8	rsvd1;
	__u16	rsvd2;
	__u32	start_offset;
	__u32	length;
};

/**
 * struct mpi3mr_bsg_out_refresh_hdb_triggers - Refresh host
 * diagnostic buffer triggers request payload data to the driver.
 *
 * @page_type: Page type
 * @rsvd1: Reserved
 * @rsvd2: Reserved
 */
struct mpi3mr_bsg_out_refresh_hdb_triggers {
	__u8	page_type;
	__u8	rsvd1;
	__u16	rsvd2;
};
/**
 * struct mpi3mr_bsg_drv_cmd -  Generic bsg data
 * structure for all driver specific requests.
 *
 * @mrioc_id: Controller ID
 * @opcode: Driver specific opcode
 * @rsvd1: Reserved
 * @rsvd2: Reserved
 */
struct mpi3mr_bsg_drv_cmd {
	__u8	mrioc_id;
	__u8	opcode;
	__u16	rsvd1;
	__u32	rsvd2[4];
};
/**
 * struct mpi3mr_bsg_in_reply_buf - MPI reply buffer returned
 * for MPI Passthrough request .
 *
 * @mpi_reply_type: Type of MPI reply
 * @rsvd1: Reserved
 * @rsvd2: Reserved
 * @reply_buf: Variable Length buffer based on mpirep type
 */
struct mpi3mr_bsg_in_reply_buf {
	__u8	mpi_reply_type;
	__u8	rsvd1;
	__u16	rsvd2;
	__u8	reply_buf[1];
};

/**
 * struct mpi3mr_buf_entry - User buffer descriptor for MPI
 * Passthrough requests.
 *
 * @buf_type: Buffer type
 * @rsvd1: Reserved
 * @rsvd2: Reserved
 * @buf_len: Buffer length
 */
struct mpi3mr_buf_entry {
	__u8	buf_type;
	__u8	rsvd1;
	__u16	rsvd2;
	__u32	buf_len;
};
/**
 * struct mpi3mr_bsg_buf_entry_list - list of user buffer
 * descriptor for MPI Passthrough requests.
 *
 * @num_of_entries: Number of buffer descriptors
 * @rsvd1: Reserved
 * @rsvd2: Reserved
 * @rsvd3: Reserved
 * @buf_entry: Variable length array of buffer descriptors
 */
struct mpi3mr_buf_entry_list {
	__u8	num_of_entries;
	__u8	rsvd1;
	__u16	rsvd2;
	__u32	rsvd3;
	struct mpi3mr_buf_entry buf_entry[1];
};
/**
 * struct mpi3mr_bsg_mptcmd -  Generic bsg data
 * structure for all MPI Passthrough requests .
 *
 * @mrioc_id: Controller ID
 * @rsvd1: Reserved
 * @timeout: MPI request timeout
 * @buf_entry_list: Buffer descriptor list
 */
struct mpi3mr_bsg_mptcmd {
	__u8	mrioc_id;
	__u8	rsvd1;
	__u16	timeout;
	__u32	rsvd2;
	struct mpi3mr_buf_entry_list buf_entry_list;
};

/**
 * struct mpi3mr_bsg_packet -  Generic bsg data
 * structure for all supported requests .
 *
 * @cmd_type: represents drvrcmd or mptcmd
 * @rsvd1: Reserved
 * @rsvd2: Reserved
 * @drvrcmd: driver request structure
 * @mptcmd: mpt request structure
 */
struct mpi3mr_bsg_packet {
	__u8	cmd_type;
	__u8	rsvd1;
	__u16	rsvd2;
	__u32	rsvd3;
	union {
		struct mpi3mr_bsg_drv_cmd drvrcmd;
		struct mpi3mr_bsg_mptcmd mptcmd;
	} cmd;
};


/* MPI3: NVMe Encasulation related definitions */
#ifndef MPI3_NVME_ENCAP_CMD_MAX
#define MPI3_NVME_ENCAP_CMD_MAX               (1)
#endif

struct mpi3_nvme_encapsulated_request {
	__le16	host_tag;
	__u8	ioc_use_only02;
	__u8	function;
	__le16	ioc_use_only04;
	__u8	ioc_use_only06;
	__u8	msg_flags;
	__le16	change_count;
	__le16	dev_handle;
	__le16	encapsulated_command_length;
	__le16	flags;
	__le32	data_length;
	__le32  reserved14[3];
	__le32	command[MPI3_NVME_ENCAP_CMD_MAX];
};

struct mpi3_nvme_encapsulated_error_reply {
	__le16	host_tag;
	__u8	ioc_use_only02;
	__u8	function;
	__le16	ioc_use_only04;
	__u8	ioc_use_only06;
	__u8	msg_flags;
	__le16	ioc_use_only08;
	__le16	ioc_status;
	__le32	ioc_log_info;
	__le32	nvme_completion_entry[4];
};

#define	MPI3MR_NVME_PRP_SIZE		8 /* PRP size */
#define	MPI3MR_NVME_CMD_PRP1_OFFSET	24 /* PRP1 offset in NVMe cmd */
#define	MPI3MR_NVME_CMD_PRP2_OFFSET	32 /* PRP2 offset in NVMe cmd */
#define	MPI3MR_NVME_CMD_SGL_OFFSET	24 /* SGL offset in NVMe cmd */
#define MPI3MR_NVME_DATA_FORMAT_PRP	0
#define MPI3MR_NVME_DATA_FORMAT_SGL1	1
#define MPI3MR_NVME_DATA_FORMAT_SGL2	2

/* MPI3: task management related definitions */
struct mpi3_scsi_task_mgmt_request {
	__le16	host_tag;
	__u8	ioc_use_only02;
	__u8	function;
	__le16	ioc_use_only04;
	__u8	ioc_use_only06;
	__u8    msg_flags;
	__le16	change_count;
	__le16	dev_handle;
	__le16	task_host_tag;
	__u8	task_type;
	__u8	reserved0f;
	__le16	task_request_queue_id;
	__le16	reserved12;
	__le32	reserved14;
	__u8	lun[8];
};

#define MPI3_SCSITASKMGMT_MSGFLAGS_DO_NOT_SEND_TASK_IU      (0x08)
#define MPI3_SCSITASKMGMT_TASKTYPE_ABORT_TASK               (0x01)
#define MPI3_SCSITASKMGMT_TASKTYPE_ABORT_TASK_SET           (0x02)
#define MPI3_SCSITASKMGMT_TASKTYPE_TARGET_RESET             (0x03)
#define MPI3_SCSITASKMGMT_TASKTYPE_LOGICAL_UNIT_RESET       (0x05)
#define MPI3_SCSITASKMGMT_TASKTYPE_CLEAR_TASK_SET           (0x06)
#define MPI3_SCSITASKMGMT_TASKTYPE_QUERY_TASK               (0x07)
#define MPI3_SCSITASKMGMT_TASKTYPE_CLEAR_ACA                (0x08)
#define MPI3_SCSITASKMGMT_TASKTYPE_QUERY_TASK_SET           (0x09)
#define MPI3_SCSITASKMGMT_TASKTYPE_QUERY_ASYNC_EVENT        (0x0a)
#define MPI3_SCSITASKMGMT_TASKTYPE_I_T_NEXUS_RESET          (0x0b)
struct mpi3_scsi_task_mgmt_reply {
	__le16	host_tag;
	__u8	ioc_use_only02;
	__u8	function;
	__le16  ioc_use_only04;
	__u8	ioc_use_only06;
	__u8	msg_flags;
	__le16	ioc_use_only08;
	__le16	ioc_status;
	__le32	ioc_log_info;
	__le32	termination_count;
	__le32	response_data;
	__le32	reserved18;
};

#define MPI3_SCSITASKMGMT_RSPCODE_TM_COMPLETE                (0x00)
#define MPI3_SCSITASKMGMT_RSPCODE_INVALID_FRAME              (0x02)
#define MPI3_SCSITASKMGMT_RSPCODE_TM_FUNCTION_NOT_SUPPORTED  (0x04)
#define MPI3_SCSITASKMGMT_RSPCODE_TM_FAILED                  (0x05)
#define MPI3_SCSITASKMGMT_RSPCODE_TM_SUCCEEDED               (0x08)
#define MPI3_SCSITASKMGMT_RSPCODE_TM_INVALID_LUN             (0x09)
#define MPI3_SCSITASKMGMT_RSPCODE_TM_OVERLAPPED_TAG          (0x0a)
#define MPI3_SCSITASKMGMT_RSPCODE_IO_QUEUED_ON_IOC           (0x80)
#define MPI3_SCSITASKMGMT_RSPCODE_TM_NVME_DENIED             (0x81)

/* MPI3: PEL related definitions */
#define MPI3_PEL_LOCALE_FLAGS_NON_BLOCKING_BOOT_EVENT   (0x0200)
#define MPI3_PEL_LOCALE_FLAGS_BLOCKING_BOOT_EVENT       (0x0100)
#define MPI3_PEL_LOCALE_FLAGS_PCIE                      (0x0080)
#define MPI3_PEL_LOCALE_FLAGS_CONFIGURATION             (0x0040)
#define MPI3_PEL_LOCALE_FLAGS_CONTROLER                 (0x0020)
#define MPI3_PEL_LOCALE_FLAGS_SAS                       (0x0010)
#define MPI3_PEL_LOCALE_FLAGS_EPACK                     (0x0008)
#define MPI3_PEL_LOCALE_FLAGS_ENCLOSURE                 (0x0004)
#define MPI3_PEL_LOCALE_FLAGS_PD                        (0x0002)
#define MPI3_PEL_LOCALE_FLAGS_VD                        (0x0001)
#define MPI3_PEL_CLASS_DEBUG                            (0x00)
#define MPI3_PEL_CLASS_PROGRESS                         (0x01)
#define MPI3_PEL_CLASS_INFORMATIONAL                    (0x02)
#define MPI3_PEL_CLASS_WARNING                          (0x03)
#define MPI3_PEL_CLASS_CRITICAL                         (0x04)
#define MPI3_PEL_CLASS_FATAL                            (0x05)
#define MPI3_PEL_CLASS_FAULT                            (0x06)

/* MPI3: Function definitions */
#define MPI3_BSG_FUNCTION_MGMT_PASSTHROUGH              (0x0a)
#define MPI3_BSG_FUNCTION_SCSI_IO                       (0x20)
#define MPI3_BSG_FUNCTION_SCSI_TASK_MGMT                (0x21)
#define MPI3_BSG_FUNCTION_SMP_PASSTHROUGH               (0x22)
#define MPI3_BSG_FUNCTION_NVME_ENCAPSULATED             (0x24)

#endif
PKMxFZ�`J�'�'cxlflash_ioctl.hnu�[���/* SPDX-License-Identifier: GPL-2.0+ WITH Linux-syscall-note */
/*
 * CXL Flash Device Driver
 *
 * Written by: Manoj N. Kumar <manoj@linux.vnet.ibm.com>, IBM Corporation
 *             Matthew R. Ochs <mrochs@linux.vnet.ibm.com>, IBM Corporation
 *
 * Copyright (C) 2015 IBM Corporation
 *
 * 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.
 */

#ifndef _CXLFLASH_IOCTL_H
#define _CXLFLASH_IOCTL_H

#include <linux/types.h>

/*
 * Structure and definitions for all CXL Flash ioctls
 */
#define CXLFLASH_WWID_LEN		16

/*
 * Structure and flag definitions CXL Flash superpipe ioctls
 */

#define DK_CXLFLASH_VERSION_0	0

struct dk_cxlflash_hdr {
	__u16 version;			/* Version data */
	__u16 rsvd[3];			/* Reserved for future use */
	__u64 flags;			/* Input flags */
	__u64 return_flags;		/* Returned flags */
};

/*
 * Return flag definitions available to all superpipe ioctls
 *
 * Similar to the input flags, these are grown from the bottom-up with the
 * intention that ioctl-specific return flag definitions would grow from the
 * top-down, allowing the two sets to co-exist. While not required/enforced
 * at this time, this provides future flexibility.
 */
#define DK_CXLFLASH_ALL_PORTS_ACTIVE	0x0000000000000001ULL
#define DK_CXLFLASH_APP_CLOSE_ADAP_FD	0x0000000000000002ULL
#define DK_CXLFLASH_CONTEXT_SQ_CMD_MODE	0x0000000000000004ULL

/*
 * General Notes:
 * -------------
 * The 'context_id' field of all ioctl structures contains the context
 * identifier for a context in the lower 32-bits (upper 32-bits are not
 * to be used when identifying a context to the AFU). That said, the value
 * in its entirety (all 64-bits) is to be treated as an opaque cookie and
 * should be presented as such when issuing ioctls.
 */

/*
 * DK_CXLFLASH_ATTACH Notes:
 * ------------------------
 * Read/write access permissions are specified via the O_RDONLY, O_WRONLY,
 * and O_RDWR flags defined in the fcntl.h header file.
 *
 * A valid adapter file descriptor (fd >= 0) is only returned on the initial
 * attach (successful) of a context. When a context is shared(reused), the user
 * is expected to already 'know' the adapter file descriptor associated with the
 * context.
 */
#define DK_CXLFLASH_ATTACH_REUSE_CONTEXT	0x8000000000000000ULL

struct dk_cxlflash_attach {
	struct dk_cxlflash_hdr hdr;	/* Common fields */
	__u64 num_interrupts;		/* Requested number of interrupts */
	__u64 context_id;		/* Returned context */
	__u64 mmio_size;		/* Returned size of MMIO area */
	__u64 block_size;		/* Returned block size, in bytes */
	__u64 adap_fd;			/* Returned adapter file descriptor */
	__u64 last_lba;			/* Returned last LBA on the device */
	__u64 max_xfer;			/* Returned max transfer size, blocks */
	__u64 reserved[8];		/* Reserved for future use */
};

struct dk_cxlflash_detach {
	struct dk_cxlflash_hdr hdr;	/* Common fields */
	__u64 context_id;		/* Context to detach */
	__u64 reserved[8];		/* Reserved for future use */
};

struct dk_cxlflash_udirect {
	struct dk_cxlflash_hdr hdr;	/* Common fields */
	__u64 context_id;		/* Context to own physical resources */
	__u64 rsrc_handle;		/* Returned resource handle */
	__u64 last_lba;			/* Returned last LBA on the device */
	__u64 reserved[8];		/* Reserved for future use */
};

#define DK_CXLFLASH_UVIRTUAL_NEED_WRITE_SAME	0x8000000000000000ULL

struct dk_cxlflash_uvirtual {
	struct dk_cxlflash_hdr hdr;	/* Common fields */
	__u64 context_id;		/* Context to own virtual resources */
	__u64 lun_size;			/* Requested size, in 4K blocks */
	__u64 rsrc_handle;		/* Returned resource handle */
	__u64 last_lba;			/* Returned last LBA of LUN */
	__u64 reserved[8];		/* Reserved for future use */
};

struct dk_cxlflash_release {
	struct dk_cxlflash_hdr hdr;	/* Common fields */
	__u64 context_id;		/* Context owning resources */
	__u64 rsrc_handle;		/* Resource handle to release */
	__u64 reserved[8];		/* Reserved for future use */
};

struct dk_cxlflash_resize {
	struct dk_cxlflash_hdr hdr;	/* Common fields */
	__u64 context_id;		/* Context owning resources */
	__u64 rsrc_handle;		/* Resource handle of LUN to resize */
	__u64 req_size;			/* New requested size, in 4K blocks */
	__u64 last_lba;			/* Returned last LBA of LUN */
	__u64 reserved[8];		/* Reserved for future use */
};

struct dk_cxlflash_clone {
	struct dk_cxlflash_hdr hdr;	/* Common fields */
	__u64 context_id_src;		/* Context to clone from */
	__u64 context_id_dst;		/* Context to clone to */
	__u64 adap_fd_src;		/* Source context adapter fd */
	__u64 reserved[8];		/* Reserved for future use */
};

#define DK_CXLFLASH_VERIFY_SENSE_LEN	18
#define DK_CXLFLASH_VERIFY_HINT_SENSE	0x8000000000000000ULL

struct dk_cxlflash_verify {
	struct dk_cxlflash_hdr hdr;	/* Common fields */
	__u64 context_id;		/* Context owning resources to verify */
	__u64 rsrc_handle;		/* Resource handle of LUN */
	__u64 hint;			/* Reasons for verify */
	__u64 last_lba;			/* Returned last LBA of device */
	__u8 sense_data[DK_CXLFLASH_VERIFY_SENSE_LEN]; /* SCSI sense data */
	__u8 pad[6];			/* Pad to next 8-byte boundary */
	__u64 reserved[8];		/* Reserved for future use */
};

#define DK_CXLFLASH_RECOVER_AFU_CONTEXT_RESET	0x8000000000000000ULL

struct dk_cxlflash_recover_afu {
	struct dk_cxlflash_hdr hdr;	/* Common fields */
	__u64 reason;			/* Reason for recovery request */
	__u64 context_id;		/* Context to recover / updated ID */
	__u64 mmio_size;		/* Returned size of MMIO area */
	__u64 adap_fd;			/* Returned adapter file descriptor */
	__u64 reserved[8];		/* Reserved for future use */
};

#define DK_CXLFLASH_MANAGE_LUN_WWID_LEN			CXLFLASH_WWID_LEN
#define DK_CXLFLASH_MANAGE_LUN_ENABLE_SUPERPIPE		0x8000000000000000ULL
#define DK_CXLFLASH_MANAGE_LUN_DISABLE_SUPERPIPE	0x4000000000000000ULL
#define DK_CXLFLASH_MANAGE_LUN_ALL_PORTS_ACCESSIBLE	0x2000000000000000ULL

struct dk_cxlflash_manage_lun {
	struct dk_cxlflash_hdr hdr;			/* Common fields */
	__u8 wwid[DK_CXLFLASH_MANAGE_LUN_WWID_LEN];	/* Page83 WWID, NAA-6 */
	__u64 reserved[8];				/* Rsvd, future use */
};

union cxlflash_ioctls {
	struct dk_cxlflash_attach attach;
	struct dk_cxlflash_detach detach;
	struct dk_cxlflash_udirect udirect;
	struct dk_cxlflash_uvirtual uvirtual;
	struct dk_cxlflash_release release;
	struct dk_cxlflash_resize resize;
	struct dk_cxlflash_clone clone;
	struct dk_cxlflash_verify verify;
	struct dk_cxlflash_recover_afu recover_afu;
	struct dk_cxlflash_manage_lun manage_lun;
};

#define MAX_CXLFLASH_IOCTL_SZ	(sizeof(union cxlflash_ioctls))

#define CXL_MAGIC 0xCA
#define CXL_IOWR(_n, _s)	_IOWR(CXL_MAGIC, _n, struct _s)

/*
 * CXL Flash superpipe ioctls start at base of the reserved CXL_MAGIC
 * region (0x80) and grow upwards.
 */
#define DK_CXLFLASH_ATTACH		CXL_IOWR(0x80, dk_cxlflash_attach)
#define DK_CXLFLASH_USER_DIRECT		CXL_IOWR(0x81, dk_cxlflash_udirect)
#define DK_CXLFLASH_RELEASE		CXL_IOWR(0x82, dk_cxlflash_release)
#define DK_CXLFLASH_DETACH		CXL_IOWR(0x83, dk_cxlflash_detach)
#define DK_CXLFLASH_VERIFY		CXL_IOWR(0x84, dk_cxlflash_verify)
#define DK_CXLFLASH_RECOVER_AFU		CXL_IOWR(0x85, dk_cxlflash_recover_afu)
#define DK_CXLFLASH_MANAGE_LUN		CXL_IOWR(0x86, dk_cxlflash_manage_lun)
#define DK_CXLFLASH_USER_VIRTUAL	CXL_IOWR(0x87, dk_cxlflash_uvirtual)
#define DK_CXLFLASH_VLUN_RESIZE		CXL_IOWR(0x88, dk_cxlflash_resize)
#define DK_CXLFLASH_VLUN_CLONE		CXL_IOWR(0x89, dk_cxlflash_clone)

/*
 * Structure and flag definitions CXL Flash host ioctls
 */

#define HT_CXLFLASH_VERSION_0  0

struct ht_cxlflash_hdr {
	__u16 version;		/* Version data */
	__u16 subcmd;		/* Sub-command */
	__u16 rsvd[2];		/* Reserved for future use */
	__u64 flags;		/* Input flags */
	__u64 return_flags;	/* Returned flags */
};

/*
 * Input flag definitions available to all host ioctls
 *
 * These are grown from the bottom-up with the intention that ioctl-specific
 * input flag definitions would grow from the top-down, allowing the two sets
 * to co-exist. While not required/enforced at this time, this provides future
 * flexibility.
 */
#define HT_CXLFLASH_HOST_READ				0x0000000000000000ULL
#define HT_CXLFLASH_HOST_WRITE				0x0000000000000001ULL

#define HT_CXLFLASH_LUN_PROVISION_SUBCMD_CREATE_LUN	0x0001
#define HT_CXLFLASH_LUN_PROVISION_SUBCMD_DELETE_LUN	0x0002
#define HT_CXLFLASH_LUN_PROVISION_SUBCMD_QUERY_PORT	0x0003

struct ht_cxlflash_lun_provision {
	struct ht_cxlflash_hdr hdr; /* Common fields */
	__u16 port;		    /* Target port for provision request */
	__u16 reserved16[3];	    /* Reserved for future use */
	__u64 size;		    /* Size of LUN (4K blocks) */
	__u64 lun_id;		    /* SCSI LUN ID */
	__u8 wwid[CXLFLASH_WWID_LEN];/* Page83 WWID, NAA-6 */
	__u64 max_num_luns;	    /* Maximum number of LUNs provisioned */
	__u64 cur_num_luns;	    /* Current number of LUNs provisioned */
	__u64 max_cap_port;	    /* Total capacity for port (4K blocks) */
	__u64 cur_cap_port;	    /* Current capacity for port (4K blocks) */
	__u64 reserved[8];	    /* Reserved for future use */
};

#define	HT_CXLFLASH_AFU_DEBUG_MAX_DATA_LEN		262144	/* 256K */
#define HT_CXLFLASH_AFU_DEBUG_SUBCMD_LEN		12
struct ht_cxlflash_afu_debug {
	struct ht_cxlflash_hdr hdr; /* Common fields */
	__u8 reserved8[4];	    /* Reserved for future use */
	__u8 afu_subcmd[HT_CXLFLASH_AFU_DEBUG_SUBCMD_LEN]; /* AFU subcommand,
							    * (pass through)
							    */
	__u64 data_ea;		    /* Data buffer effective address */
	__u32 data_len;		    /* Data buffer length */
	__u32 reserved32;	    /* Reserved for future use */
	__u64 reserved[8];	    /* Reserved for future use */
};

union cxlflash_ht_ioctls {
	struct ht_cxlflash_lun_provision lun_provision;
	struct ht_cxlflash_afu_debug afu_debug;
};

#define MAX_HT_CXLFLASH_IOCTL_SZ	(sizeof(union cxlflash_ht_ioctls))

/*
 * CXL Flash host ioctls start at the top of the reserved CXL_MAGIC
 * region (0xBF) and grow downwards.
 */
#define HT_CXLFLASH_LUN_PROVISION CXL_IOWR(0xBF, ht_cxlflash_lun_provision)
#define HT_CXLFLASH_AFU_DEBUG	  CXL_IOWR(0xBE, ht_cxlflash_afu_debug)


#endif /* ifndef _CXLFLASH_IOCTL_H */
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