xref: /openbsd/sys/dev/usb/umassvar.h (revision 88e48fc9)
1 /*	$OpenBSD: umassvar.h,v 1.16 2020/11/23 21:33:38 krw Exp $ */
2 /*	$NetBSD: umassvar.h,v 1.20 2003/09/08 19:31:01 mycroft Exp $	*/
3 /*-
4  * Copyright (c) 1999 MAEKAWA Masahide <bishop@rr.iij4u.or.jp>,
5  *		      Nick Hibma <n_hibma@freebsd.org>
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  *
17  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
18  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
21  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27  * SUCH DAMAGE.
28  *
29  *     $FreeBSD: src/sys/dev/usb/umass.c,v 1.13 2000/03/26 01:39:12 n_hibma Exp $
30  */
31 
32 #ifdef UMASS_DEBUG
33 #define DIF(m, x)	if (umassdebug & (m)) do { x ; } while (0)
34 #define DPRINTF(m, x)	do { if (umassdebug & (m)) printf x; } while (0)
35 #define UDMASS_UPPER	0x00008000	/* upper layer */
36 #define UDMASS_GEN	0x00010000	/* general */
37 #define UDMASS_SCSI	0x00020000	/* scsi */
38 #define UDMASS_UFI	0x00040000	/* ufi command set */
39 #define UDMASS_8070	0x00080000	/* 8070i command set */
40 #define UDMASS_USB	0x00100000	/* USB general */
41 #define UDMASS_BBB	0x00200000	/* Bulk-Only transfers */
42 #define UDMASS_CBI	0x00400000	/* CBI transfers */
43 #define UDMASS_ALL	0xffff0000	/* all of the above */
44 
45 #define UDMASS_XFER	0x40000000	/* all transfers */
46 #define UDMASS_CMD	0x80000000
47 
48 extern int umassdebug;
49 #else
50 #define DIF(m, x)	/* nop */
51 #define DPRINTF(m, x)	/* nop */
52 #endif
53 
54 /* Generic definitions */
55 
56 #define UFI_COMMAND_LENGTH 12
57 
58 /* Direction for umass_*_transfer */
59 #define DIR_NONE	0
60 #define DIR_IN		1
61 #define DIR_OUT		2
62 
63 /* Endpoints for umass */
64 #define	UMASS_BULKIN	0
65 #define	UMASS_BULKOUT	1
66 #define	UMASS_INTRIN	2
67 #define	UMASS_NEP	3
68 
69 /* Bulk-Only features */
70 
71 #define UR_BBB_RESET	0xff		/* Bulk-Only reset */
72 #define	UR_BBB_GET_MAX_LUN	0xfe
73 
74 /* Command Block Wrapper */
75 struct umass_bbb_cbw {
76 	uDWord		dCBWSignature;
77 #define CBWSIGNATURE	0x43425355
78 	uDWord		dCBWTag;
79 	uDWord		dCBWDataTransferLength;
80 	uByte		bCBWFlags;
81 #define CBWFLAGS_OUT	0x00
82 #define CBWFLAGS_IN	0x80
83 	uByte		bCBWLUN;
84 	uByte		bCDBLength;
85 #define CBWCDBLENGTH	16
86 	uByte		CBWCDB[CBWCDBLENGTH];
87 };
88 #define UMASS_BBB_CBW_SIZE	31
89 
90 /* Command Status Wrapper */
91 struct umass_bbb_csw {
92 	uDWord		dCSWSignature;
93 #define CSWSIGNATURE		0x53425355
94 #define CSWSIGNATURE_OLYMPUS_C1	0x55425355
95 	uDWord		dCSWTag;
96 	uDWord		dCSWDataResidue;
97 	uByte		bCSWStatus;
98 #define CSWSTATUS_GOOD	0x0
99 #define CSWSTATUS_FAILED 0x1
100 #define CSWSTATUS_PHASE	0x2
101 };
102 #define UMASS_BBB_CSW_SIZE	13
103 
104 /* CBI features */
105 
106 #define UR_CBI_ADSC	0x00
107 
108 typedef unsigned char umass_cbi_cbl_t[16];	/* Command block */
109 
110 typedef union {
111 	struct {
112 		uByte	type;
113 #define IDB_TYPE_CCI		0x00
114 		uByte	value;
115 #define IDB_VALUE_PASS		0x00
116 #define IDB_VALUE_FAIL		0x01
117 #define IDB_VALUE_PHASE		0x02
118 #define IDB_VALUE_PERSISTENT	0x03
119 #define IDB_VALUE_STATUS_MASK	0x03
120 	} common;
121 
122 	struct {
123 		uByte	asc;
124 		uByte	ascq;
125 	} ufi;
126 } umass_cbi_sbl_t;
127 
128 struct umass_softc;		/* see below */
129 
130 typedef void (*umass_callback)(struct umass_softc *, void *, int, int);
131 #define STATUS_CMD_OK		0	/* everything ok */
132 #define STATUS_CMD_UNKNOWN	1	/* will have to fetch sense */
133 #define STATUS_CMD_FAILED	2	/* transfer was ok, command failed */
134 #define STATUS_WIRE_FAILED	3	/* couldn't even get command across */
135 
136 typedef void (*umass_wire_xfer)(struct umass_softc *, int, void *, int, void *,
137 				int, int, u_int, umass_callback, void *);
138 typedef void (*umass_wire_reset)(struct umass_softc *, int);
139 typedef void (*umass_wire_state)(struct usbd_xfer *, void *, usbd_status);
140 
141 struct umass_wire_methods {
142 	umass_wire_xfer		wire_xfer;
143 	umass_wire_reset	wire_reset;
144 	umass_wire_state	wire_state;
145 };
146 
147 struct umass_scsi_softc;
148 
149 /* the per device structure */
150 struct umass_softc {
151 	struct device		sc_dev;		/* base device */
152 	struct usbd_device	*sc_udev;	/* device */
153 	struct usbd_interface	*sc_iface;	/* interface */
154 	int			sc_ifaceno;	/* interface number */
155 
156 	u_int8_t		sc_epaddr[UMASS_NEP];
157 	struct usbd_pipe	*sc_pipe[UMASS_NEP];
158 	usb_device_request_t	sc_req;
159 
160 	const struct umass_wire_methods *sc_methods;
161 
162 	u_int8_t		sc_wire;	/* wire protocol */
163 #define	UMASS_WPROTO_UNSPEC	0
164 #define	UMASS_WPROTO_BBB	1
165 #define	UMASS_WPROTO_CBI	2
166 #define	UMASS_WPROTO_CBI_I	3
167 
168 	u_int8_t		sc_cmd;		/* command protocol */
169 #define	UMASS_CPROTO_UNSPEC	0
170 #define	UMASS_CPROTO_SCSI	1
171 #define	UMASS_CPROTO_ATAPI	2
172 #define	UMASS_CPROTO_UFI	3
173 #define	UMASS_CPROTO_RBC	4
174 #define UMASS_CPROTO_ISD_ATA	5
175 
176 	u_int32_t		sc_quirks;
177 #define UMASS_QUIRK_WRONG_CSWSIG	0x00000001
178 #define UMASS_QUIRK_WRONG_CSWTAG	0x00000002
179 #define UMASS_QUIRK_IGNORE_RESIDUE	0x00000004
180 
181 	u_int32_t		sc_busquirks;
182 
183 	/* Bulk specific variables for transfers in progress */
184 	struct umass_bbb_cbw	cbw;	/* command block wrapper */
185 	struct umass_bbb_csw	csw;	/* command status wrapper*/
186 	/* CBI specific variables for transfers in progress */
187 	umass_cbi_cbl_t		cbl;	/* command block */
188 	umass_cbi_sbl_t		sbl;	/* status block */
189 
190 	/* xfer handles
191 	 * Most of our operations are initiated from interrupt context, so
192 	 * we need to avoid using the one that is in use. We want to avoid
193 	 * allocating them in the interrupt context as well.
194 	 */
195 	/* indices into array below */
196 #define XFER_BBB_CBW		0	/* Bulk-Only */
197 #define XFER_BBB_DATA		1
198 #define XFER_BBB_DCLEAR		2
199 #define XFER_BBB_CSW1		3
200 #define XFER_BBB_CSW2		4
201 #define XFER_BBB_SCLEAR		5
202 #define XFER_BBB_RESET1		6
203 #define XFER_BBB_RESET2		7
204 #define XFER_BBB_RESET3		8
205 
206 #define XFER_CBI_CB		0	/* CBI */
207 #define XFER_CBI_DATA		1
208 #define XFER_CBI_STATUS		2
209 #define XFER_CBI_DCLEAR		3
210 #define XFER_CBI_SCLEAR		4
211 #define XFER_CBI_RESET1		5
212 #define XFER_CBI_RESET2		6
213 #define XFER_CBI_RESET3		7
214 
215 #define XFER_NR			9	/* maximum number */
216 
217 	struct usbd_xfer	*transfer_xfer[XFER_NR]; /* for ctrl xfers */
218 
219 	void			*data_buffer;
220 
221 	int			transfer_dir;		/* data direction */
222 	void			*transfer_data;		/* data buffer */
223 	int			transfer_datalen;	/* (maximum) length */
224 	int			transfer_actlen;	/* actual length */
225 	umass_callback		transfer_cb;		/* callback */
226 	void			*transfer_priv;		/* for callback */
227 	int			transfer_status;
228 
229 	int			transfer_state;
230 #define TSTATE_IDLE			0
231 #define TSTATE_BBB_COMMAND		1	/* CBW transfer */
232 #define TSTATE_BBB_DATA			2	/* Data transfer */
233 #define TSTATE_BBB_DCLEAR		3	/* clear endpt stall */
234 #define TSTATE_BBB_STATUS1		4	/* clear endpt stall */
235 #define TSTATE_BBB_SCLEAR		5	/* clear endpt stall */
236 #define TSTATE_BBB_STATUS2		6	/* CSW transfer */
237 #define TSTATE_BBB_RESET1		7	/* reset command */
238 #define TSTATE_BBB_RESET2		8	/* in clear stall */
239 #define TSTATE_BBB_RESET3		9	/* out clear stall */
240 #define TSTATE_CBI_COMMAND		10	/* command transfer */
241 #define TSTATE_CBI_DATA			11	/* data transfer */
242 #define TSTATE_CBI_STATUS		12	/* status transfer */
243 #define TSTATE_CBI_DCLEAR		13	/* clear ep stall */
244 #define TSTATE_CBI_SCLEAR		14	/* clear ep stall */
245 #define TSTATE_CBI_RESET1		15	/* reset command */
246 #define TSTATE_CBI_RESET2		16	/* in clear stall */
247 #define TSTATE_CBI_RESET3		17	/* out clear stall */
248 #define TSTATE_STATES			18	/* # of states above */
249 
250 
251 	int			timeout;		/* in msecs */
252 
253 	u_int8_t		maxlun;			/* max lun supported */
254 
255 #ifdef UMASS_DEBUG
256 	struct timeval tv;
257 #endif
258 
259 	int			sc_xfer_flags;
260 	int			sc_refcnt;
261 	int			sc_sense;
262 
263 	struct umass_scsi_softc	*bus;		 /* bus dependent data */
264 
265 	/* For polled transfers */
266 	int			polling_depth;
267 	usbd_status		polled_xfer_status;
268 	struct usbd_xfer	*next_polled_xfer;
269 };
270 
271 #define UMASS_MAX_TRANSFER_SIZE	MAXBSIZE
272