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sbp.h (5507B) - Raw


      1 /*-
      2  * SPDX-License-Identifier: BSD-4-Clause
      3  *
      4  * Copyright (c) 2003 Hidetoshi Shimokawa
      5  * Copyright (c) 1998-2002 Katsushi Kobayashi and Hidetoshi Shimokawa
      6  * All rights reserved.
      7  *
      8  * Redistribution and use in source and binary forms, with or without
      9  * modification, are permitted provided that the following conditions
     10  * are met:
     11  * 1. Redistributions of source code must retain the above copyright
     12  *    notice, this list of conditions and the following disclaimer.
     13  * 2. Redistributions in binary form must reproduce the above copyright
     14  *    notice, this list of conditions and the following disclaimer in the
     15  *    documentation and/or other materials provided with the distribution.
     16  * 3. All advertising materials mentioning features or use of this software
     17  *    must display the acknowledgement as bellow:
     18  *
     19  *    This product includes software developed by K. Kobayashi and H. Shimokawa
     20  *
     21  * 4. The name of the author may not be used to endorse or promote products
     22  *    derived from this software without specific prior written permission.
     23  *
     24  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
     25  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
     26  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
     27  * DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
     28  * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
     29  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
     30  * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     31  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
     32  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
     33  * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     34  * POSSIBILITY OF SUCH DAMAGE.
     35  * 
     36  *
     37  */
     38 
     39 #define ORB_NOTIFY	(1U << 31)
     40 #define	ORB_FMT_STD	(0 << 29)
     41 #define	ORB_FMT_VED	(2 << 29)
     42 #define	ORB_FMT_NOP	(3 << 29)
     43 #define	ORB_FMT_MSK	(3 << 29)
     44 #define	ORB_EXV		(1 << 28)
     45 /* */
     46 #define	ORB_CMD_IN	(1 << 27)
     47 /* */
     48 #define	ORB_CMD_SPD(x)	((x) << 24)
     49 #define	ORB_CMD_MAXP(x)	((x) << 20)
     50 #define	ORB_RCN_TMO(x)	((x) << 20)
     51 #define	ORB_CMD_PTBL	(1 << 19)
     52 #define	ORB_CMD_PSZ(x)	((x) << 16)
     53 
     54 #define	ORB_FUN_LGI	(0 << 16)
     55 #define	ORB_FUN_QLG	(1 << 16)
     56 #define	ORB_FUN_RCN	(3 << 16)
     57 #define	ORB_FUN_LGO	(7 << 16)
     58 #define	ORB_FUN_ATA	(0xb << 16)
     59 #define	ORB_FUN_ATS	(0xc << 16)
     60 #define	ORB_FUN_LUR	(0xe << 16)
     61 #define	ORB_FUN_RST	(0xf << 16)
     62 #define	ORB_FUN_MSK	(0xf << 16)
     63 #define	ORB_FUN_RUNQUEUE 0xffff
     64 
     65 #define ORB_RES_CMPL 0
     66 #define ORB_RES_FAIL 1
     67 #define ORB_RES_ILLE 2
     68 #define ORB_RES_VEND 3
     69 
     70 #define SBP_DEBUG(x)	if (debug > x) {
     71 #define END_DEBUG	}
     72 
     73 struct ind_ptr {
     74 	uint32_t hi,lo;
     75 };
     76 
     77 
     78 #define SBP_RECV_LEN 32
     79 
     80 struct sbp_login_res {
     81 	uint16_t	len;
     82 	uint16_t	id;
     83 	uint16_t	res0;
     84 	uint16_t	cmd_hi;
     85 	uint32_t	cmd_lo;
     86 	uint16_t	res1;
     87 	uint16_t	recon_hold;
     88 };
     89 
     90 struct sbp_status {
     91 #if BYTE_ORDER == BIG_ENDIAN
     92 	uint8_t		src:2,
     93 			resp:2,
     94 			dead:1,
     95 			len:3;
     96 #else
     97 	uint8_t		len:3,
     98 			dead:1,
     99 			resp:2,
    100 			src:2;
    101 #endif
    102 	uint8_t		status;
    103 	uint16_t	orb_hi;
    104 	uint32_t	orb_lo;
    105 	uint32_t	data[6];
    106 };
    107 /* src */
    108 #define SRC_NEXT_EXISTS	0
    109 #define SRC_NO_NEXT	1
    110 #define SRC_UNSOL	2
    111 
    112 /* resp */
    113 #define SBP_REQ_CMP	0	/* request complete */
    114 #define SBP_TRANS_FAIL	1	/* transport failure */
    115 #define SBP_ILLE_REQ	2	/* illegal request */
    116 #define SBP_VEND_DEP	3	/* vendor dependent */
    117 
    118 /* status (resp == 0) */
    119 /*   0: No additional Information to report */
    120 /*   1: Request Type not supported */
    121 /*   2: Speed not supported */
    122 /*   3: Page size not supported */
    123 /*   4: Access denied */
    124 #define STATUS_ACCESS_DENY	4
    125 #define STATUS_LUR		5
    126 /*   6: Maximum payload too small */
    127 /*   7: Reserved for future standardization */
    128 /*   8: Resource unavailable */
    129 #define STATUS_RES_UNAVAIL	8
    130 /*   9: Function Rejected */
    131 /*  10: Login ID not recognized */
    132 /*  11: Dummy ORB completed */
    133 /*  12: Request aborted */
    134 /* 255: Unspecified error */
    135 
    136 /* status (resp == 1) */
    137 /* Referenced object */
    138 #define OBJ_ORB		(0 << 6)	/* 0: ORB */
    139 #define OBJ_DATA	(1 << 6)	/* 1: Data buffer */
    140 #define OBJ_PT		(2 << 6)	/* 2: Page table */
    141 #define OBJ_UNSPEC	(3 << 6)	/* 3: Unable to specify */
    142 /* Serial bus error */
    143 /* 0: Missing acknowledge */
    144 /* 1: Reserved; not to be used */
    145 /* 2: Time-out error */
    146 #define SBE_TIMEOUT 2
    147 /* 3: Reserved; not to be used */
    148 /* 4: Busy retry limit exceeded: ack_busy_X */
    149 /* 5: Busy retry limit exceeded: ack_busy_A */
    150 /* 6: Busy retry limit exceeded: ack_busy_B */
    151 /* 7-A: Reserved for future standardization */
    152 /* B: Tardy retry limit exceeded */
    153 /* C: Confilict error */
    154 /* D: Data error */
    155 /* E: Type error */
    156 /* F: Address error */
    157 
    158 
    159 struct sbp_cmd_status {
    160 #define SBP_SFMT_CURR 0
    161 #define SBP_SFMT_DEFER 1
    162 #if BYTE_ORDER == BIG_ENDIAN
    163 	uint8_t		sfmt:2,
    164 			status:6;
    165 	uint8_t		valid:1,
    166 			mark:1,
    167 			eom:1,
    168 			ill_len:1,
    169 			s_key:4;
    170 #else
    171 	uint8_t		status:6,
    172 			sfmt:2;
    173 	uint8_t		s_key:4,
    174 			ill_len:1,
    175 			eom:1,
    176 			mark:1,
    177 			valid:1;
    178 #endif
    179 	uint8_t		s_code;
    180 	uint8_t		s_qlfr;
    181 	uint32_t	info;
    182 	uint32_t	cdb;
    183 	uint8_t		fru;
    184 	uint8_t		s_keydep[3];
    185 	uint32_t	vend[2];
    186 };
    187 
    188 #define ORB_FUN_NAMES \
    189 	/* 0 */ "LOGIN", \
    190 	/* 1 */ "QUERY LOGINS", \
    191 	/* 2 */ "Reserved", \
    192 	/* 3 */ "RECONNECT", \
    193 	/* 4 */ "SET PASSWORD", \
    194 	/* 5 */ "Reserved", \
    195 	/* 6 */ "Reserved", \
    196 	/* 7 */ "LOGOUT", \
    197 	/* 8 */ "Reserved", \
    198 	/* 9 */ "Reserved", \
    199 	/* A */ "Reserved", \
    200 	/* B */ "ABORT TASK", \
    201 	/* C */ "ABORT TASK SET", \
    202 	/* D */ "Reserved", \
    203 	/* E */ "LOGICAL UNIT RESET", \
    204 	/* F */ "TARGET RESET"