xref: /freebsd/sys/dev/ciss/cissio.h (revision e796cc77c586c2955b2f3940dbf4991b31e8d289)
1 /*-
2  * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
3  *
4  * Copyright (c) 2001 Michael Smith
5  * All rights reserved.
6  *
7  * Redistribution and use in source and binary forms, with or without
8  * modification, are permitted provided that the following conditions
9  * are met:
10  * 1. Redistributions of source code must retain the above copyright
11  *    notice, this list of conditions and the following disclaimer.
12  * 2. Redistributions in binary form must reproduce the above copyright
13  *    notice, this list of conditions and the following disclaimer in the
14  *    documentation and/or other materials provided with the distribution.
15  *
16  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
17  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
20  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
22  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26  * SUCH DAMAGE.
27  *
28  *	$FreeBSD$
29  */
30 
31 /*
32  * Driver ioctl interface.
33  *
34  * Note that this interface is API-compatible with the Linux implementation
35  * except as noted, and thus this header bears a striking resemblance to
36  * the Linux driver's cciss_ioctl.h.
37  *
38  */
39 
40 #include <sys/ioccom.h>
41 
42 #pragma pack(1)
43 
44 typedef struct
45 {
46     u_int8_t	bus;
47     u_int8_t	dev_fn;
48     u_int32_t	board_id;
49 } cciss_pci_info_struct;
50 
51 typedef struct
52 {
53     u_int32_t	delay;
54     u_int32_t	count;
55 } cciss_coalint_struct;
56 
57 typedef char		NodeName_type[16];
58 typedef u_int32_t	Heartbeat_type;
59 
60 #define CISS_PARSCSIU2	0x0001
61 #define CISS_PARCSCIU3	0x0002
62 #define CISS_FIBRE1G	0x0100
63 #define CISS_FIBRE2G	0x0200
64 typedef u_int32_t	BusTypes_type;
65 
66 typedef char		FirmwareVer_type[4];
67 typedef u_int32_t	DriverVer_type;
68 
69 /* passthrough command definitions */
70 #define SENSEINFOBYTES          32
71 #define CISS_MAX_LUN		16
72 #define LEVEL2LUN		1
73 #define LEVEL3LUN		0
74 
75 /* command status value */
76 #define CMD_SUCCESS		0x0000
77 #define CMD_TARGET_STATUS	0x0001
78 #define CMD_DATA_UNDERRUN	0x0002
79 #define CMD_DATA_OVERRUN	0x0003
80 #define CMD_INVALID		0x0004
81 #define CMD_PROTOCOL_ERR	0x0005
82 #define CMD_HARDWARE_ERR	0x0006
83 #define CMD_CONNECTION_LOST	0x0007
84 #define CMD_ABORTED		0x0008
85 #define CMD_ABORT_FAILED	0x0009
86 #define CMD_UNSOLICITED_ABORT	0x000A
87 #define CMD_TIMEOUT		0x000B
88 #define CMD_UNABORTABLE		0x000C
89 
90 /* transfer direction */
91 #define XFER_NONE		0x00
92 #define XFER_WRITE		0x01
93 #define XFER_READ		0x02
94 #define XFER_RSVD		0x03
95 
96 /* task attribute */
97 #define ATTR_UNTAGGED		0x00
98 #define ATTR_SIMPLE		0x04
99 #define ATTR_HEADOFQUEUE	0x05
100 #define ATTR_ORDERED		0x06
101 #define ATTR_ACA		0x07
102 
103 /* CDB type */
104 #define TYPE_CMD		0x00
105 #define TYPE_MSG		0x01
106 
107 /* command list structure */
108 typedef union {
109     struct {
110 	u_int8_t	Dev;
111 	u_int8_t	Bus:6;
112 	u_int8_t	Mode:2;
113     } __packed PeripDev;
114     struct {
115 	u_int8_t	DevLSB;
116 	u_int8_t	DevMSB:6;
117 	u_int8_t	Mode:2;
118     } __packed LogDev;
119     struct {
120 	u_int8_t	Dev:5;
121 	u_int8_t	Bus:3;
122 	u_int8_t	Targ:6;
123 	u_int8_t	Mode:2;
124     } __packed LogUnit;
125 } SCSI3Addr_struct;
126 
127 typedef struct {
128     u_int32_t		TargetId:24;
129     u_int32_t		Bus:6;
130     u_int32_t		Mode:2;
131     SCSI3Addr_struct	Target[2];
132 } __packed PhysDevAddr_struct;
133 
134 typedef struct {
135     u_int32_t		VolId:30;
136     u_int32_t		Mode:2;
137     u_int8_t		reserved[4];
138 } __packed LogDevAddr_struct;
139 
140 typedef union {
141     u_int8_t		LunAddrBytes[8];
142     SCSI3Addr_struct	SCSI3Lun[4];
143     PhysDevAddr_struct	PhysDev;
144     LogDevAddr_struct	LogDev;
145 } __packed LUNAddr_struct;
146 
147 typedef struct {
148     u_int8_t	CDBLen;
149     struct {
150 	u_int8_t	Type:3;
151 	u_int8_t	Attribute:3;
152 	u_int8_t	Direction:2;
153     } __packed Type;
154     u_int16_t	Timeout;
155     u_int8_t	CDB[16];
156 } __packed RequestBlock_struct;
157 
158 typedef union {
159     struct {
160 	u_int8_t	Reserved[3];
161 	u_int8_t	Type;
162 	u_int32_t	ErrorInfo;
163     } __packed Common_Info;
164     struct {
165 	u_int8_t	Reserved[2];
166 	u_int8_t	offense_size;
167 	u_int8_t	offense_num;
168 	u_int32_t	offense_value;
169     } __packed Invalid_Cmd;
170 } __packed MoreErrInfo_struct;
171 
172 typedef struct {
173     u_int8_t		ScsiStatus;
174     u_int8_t		SenseLen;
175     u_int16_t		CommandStatus;
176     u_int32_t		ResidualCnt;
177     MoreErrInfo_struct	MoreErrInfo;
178     u_int8_t		SenseInfo[SENSEINFOBYTES];
179 } __packed ErrorInfo_struct;
180 
181 typedef struct {
182     LUNAddr_struct	LUN_info;	/* 8 */
183     RequestBlock_struct	Request;	/* 20 */
184     ErrorInfo_struct	error_info;	/* 48 */
185     u_int16_t		buf_size;	/* 2 */
186     u_int8_t		*buf;		/* 4 */
187 } __packed IOCTL_Command_struct;
188 
189 #ifdef __amd64__
190 typedef struct {
191     LUNAddr_struct	LUN_info;	/* 8 */
192     RequestBlock_struct	Request;	/* 20 */
193     ErrorInfo_struct	error_info;	/* 48 */
194     u_int16_t		buf_size;	/* 2 */
195     u_int32_t		buf;		/* 4 */
196 } __packed IOCTL_Command_struct32;
197 #endif
198 
199 /************************************************************************
200  * Command queue statistics
201  */
202 
203 #define CISSQ_FREE	0
204 #define CISSQ_NOTIFY	1
205 #define CISSQ_COUNT	2
206 
207 struct ciss_qstat {
208     uint32_t		q_length;
209     uint32_t		q_max;
210 };
211 
212 union ciss_statrequest {
213     uint32_t		cs_item;
214     struct ciss_qstat	cs_qstat;
215 };
216 
217 /*
218  * Note that we'd normally pass the struct in directly, but
219  * this code is trying to be compatible with other drivers.
220  */
221 #define CCISS_GETPCIINFO	_IOR ('C', 200, cciss_pci_info_struct)
222 #define CCISS_GETINTINFO	_IOR ('C', 201, cciss_coalint_struct)
223 #define CCISS_SETINTINFO	_IOW ('C', 202, cciss_coalint_struct)
224 #define CCISS_GETNODENAME	_IOR ('C', 203, NodeName_type)
225 #define CCISS_SETNODENAME	_IOW ('C', 204, NodeName_type)
226 #define CCISS_GETHEARTBEAT	_IOR ('C', 205, Heartbeat_type)
227 #define CCISS_GETBUSTYPES	_IOR ('C', 206, BusTypes_type)
228 #define CCISS_GETFIRMVER	_IOR ('C', 207, FirmwareVer_type)
229 #define CCISS_GETDRIVERVER	_IOR ('C', 208, DriverVer_type)
230 #define CCISS_REVALIDVOLS	_IO  ('C', 209)
231 #define CCISS_PASSTHRU		_IOWR ('C', 210, IOCTL_Command_struct)
232 #ifdef __amd64
233 #define CCISS_PASSTHRU32	_IOWR ('C', 210, IOCTL_Command_struct32)
234 #endif
235 #define CCISS_GETQSTATS		_IOWR ('C', 211, union ciss_statrequest)
236 
237 #pragma pack()
238