1/*-
2 * SPDX-License-Identifier: BSD-2-Clause
3 *
4 * Copyright (c) 2003 Silicon Graphics International Corp.
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 *    without modification.
13 * 2. Redistributions in binary form must reproduce at minimum a disclaimer
14 *    substantially similar to the "NO WARRANTY" disclaimer below
15 *    ("Disclaimer") and any redistribution must be conditioned upon
16 *    including a substantially similar Disclaimer requirement for further
17 *    binary redistribution.
18 *
19 * NO WARRANTY
20 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
21 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
22 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
23 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
24 * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
25 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
26 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
27 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
28 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
29 * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
30 * POSSIBILITY OF SUCH DAMAGES.
31 *
32 * $Id: //depot/users/kenm/FreeBSD-test2/sys/cam/ctl/ctl.h#5 $
33 */
34/*
35 * Function definitions used both within CTL and potentially in various CTL
36 * clients.
37 *
38 * Author: Ken Merry <ken@FreeBSD.org>
39 */
40
41#ifndef	_CTL_H_
42#define	_CTL_H_
43
44#define	CTL_RETVAL_COMPLETE	0
45#define	CTL_RETVAL_QUEUED	1
46#define	CTL_RETVAL_ALLOCATED	2
47#define	CTL_RETVAL_ERROR	3
48
49typedef enum {
50	CTL_PORT_NONE		= 0x00,
51	CTL_PORT_FC		= 0x01,
52	CTL_PORT_SCSI		= 0x02,
53	CTL_PORT_IOCTL		= 0x04,
54	CTL_PORT_INTERNAL	= 0x08,
55	CTL_PORT_ISCSI		= 0x10,
56	CTL_PORT_SAS		= 0x20,
57	CTL_PORT_UMASS		= 0x40,
58	CTL_PORT_NVMF		= 0x80,
59	CTL_PORT_ALL		= 0xff,
60	CTL_PORT_ISC		= 0x100 // FC port for inter-shelf communication
61} ctl_port_type;
62
63struct ctl_port_entry {
64	ctl_port_type		port_type;
65	char			port_name[64];
66	int32_t			targ_port;
67	int			physical_port;
68	int			virtual_port;
69	u_int			flags;
70#define	CTL_PORT_WWNN_VALID	0x01
71#define	CTL_PORT_WWPN_VALID	0x02
72	uint64_t		wwnn;
73	uint64_t		wwpn;
74	int			online;
75};
76
77struct ctl_modepage_header {
78	uint8_t			page_code;
79	uint8_t			subpage;
80	uint16_t		len_used;
81	uint16_t		len_left;
82};
83
84union ctl_modepage_info {
85	struct ctl_modepage_header header;
86};
87
88/*
89 * Serial number length, for VPD page 0x80.
90 */
91#define	CTL_SN_LEN	16
92
93/*
94 * Device ID length, for VPD page 0x83.
95 */
96#define	CTL_DEVID_LEN	64
97#define	CTL_DEVID_MIN_LEN	16
98/*
99 * WWPN length, for VPD page 0x83.
100 */
101#define CTL_WWPN_LEN   8
102
103#define	CTL_DRIVER_NAME_LEN	32
104
105/*
106 * Unit attention types. ASC/ASCQ values for these should be placed in
107 * ctl_build_ua.  These are also listed in order of reporting priority.
108 * i.e. a poweron UA is reported first, bus reset second, etc.
109 */
110typedef enum {
111	CTL_UA_NONE		= 0x0000,
112	CTL_UA_POWERON		= 0x0001,
113	CTL_UA_BUS_RESET	= 0x0002,
114	CTL_UA_TARG_RESET	= 0x0004,
115	CTL_UA_I_T_NEXUS_LOSS	= 0x0008,
116	CTL_UA_LUN_RESET	= 0x0010,
117	CTL_UA_LUN_CHANGE	= 0x0020,
118	CTL_UA_MODE_CHANGE	= 0x0040,
119	CTL_UA_LOG_CHANGE	= 0x0080,
120	CTL_UA_INQ_CHANGE	= 0x0100,
121	CTL_UA_RES_PREEMPT	= 0x0400,
122	CTL_UA_RES_RELEASE	= 0x0800,
123	CTL_UA_REG_PREEMPT	= 0x1000,
124	CTL_UA_ASYM_ACC_CHANGE	= 0x2000,
125	CTL_UA_CAPACITY_CHANGE	= 0x4000,
126	CTL_UA_THIN_PROV_THRES	= 0x8000,
127	CTL_UA_MEDIUM_CHANGE	= 0x10000,
128	CTL_UA_IE		= 0x20000
129} ctl_ua_type;
130
131#ifdef	_KERNEL
132
133#ifdef MALLOC_DECLARE	/* from malloc.h */
134MALLOC_DECLARE(M_CTL);
135#endif
136
137struct ctl_page_index;
138
139#ifdef SYSCTL_DECL	/* from sysctl.h */
140SYSCTL_DECL(_kern_cam_ctl);
141#endif
142
143struct cdev;
144struct ctl_lun;
145struct ctl_port;
146struct ctl_softc;
147struct ctl_scsiio;
148struct sbuf;
149union ctl_io;
150
151/*
152 * Put a string into an sbuf, escaping characters that are illegal or not
153 * recommended in XML.  Note this doesn't escape everything, just > < and &.
154 */
155int ctl_sbuf_printf_esc(struct sbuf *sb, char *str, int size);
156
157int ctl_ffz(uint32_t *mask, uint32_t first, uint32_t last);
158int ctl_set_mask(uint32_t *mask, uint32_t bit);
159int ctl_clear_mask(uint32_t *mask, uint32_t bit);
160int ctl_is_set(uint32_t *mask, uint32_t bit);
161int ctl_default_page_handler(struct ctl_scsiio *ctsio,
162			     struct ctl_page_index *page_index,
163			     uint8_t *page_ptr);
164int ctl_ie_page_handler(struct ctl_scsiio *ctsio,
165			struct ctl_page_index *page_index,
166			uint8_t *page_ptr);
167int ctl_temp_log_sense_handler(struct ctl_scsiio *ctsio,
168				   struct ctl_page_index *page_index,
169				   int pc);
170int ctl_lbp_log_sense_handler(struct ctl_scsiio *ctsio,
171				   struct ctl_page_index *page_index,
172				   int pc);
173int ctl_sap_log_sense_handler(struct ctl_scsiio *ctsio,
174				   struct ctl_page_index *page_index,
175				   int pc);
176int ctl_ie_log_sense_handler(struct ctl_scsiio *ctsio,
177				   struct ctl_page_index *page_index,
178				   int pc);
179int ctl_config_move_done(union ctl_io *io, bool samethr);
180void ctl_datamove_done(union ctl_io *io, bool samethr);
181void ctl_datamove(union ctl_io *io);
182void ctl_serseq_done(union ctl_io *io);
183void ctl_done(union ctl_io *io);
184void ctl_data_submit_done(union ctl_io *io);
185void ctl_config_read_done(union ctl_io *io);
186void ctl_config_write_done(union ctl_io *io);
187void ctl_portDB_changed(int portnum);
188int ctl_ioctl_io(struct cdev *dev, u_long cmd, caddr_t addr, int flag,
189		 struct thread *td);
190
191void ctl_est_ua(struct ctl_lun *lun, uint32_t initidx, ctl_ua_type ua);
192void ctl_est_ua_port(struct ctl_lun *lun, int port, uint32_t except,
193    ctl_ua_type ua);
194void ctl_est_ua_all(struct ctl_lun *lun, uint32_t except, ctl_ua_type ua);
195void ctl_clr_ua(struct ctl_lun *lun, uint32_t initidx, ctl_ua_type ua);
196void ctl_clr_ua_all(struct ctl_lun *lun, uint32_t except, ctl_ua_type ua);
197void ctl_clr_ua_allluns(struct ctl_softc *ctl_softc, uint32_t initidx,
198    ctl_ua_type ua_type);
199
200uint32_t ctl_decode_lun(uint64_t encoded);
201uint64_t ctl_encode_lun(uint32_t decoded);
202
203void ctl_isc_announce_lun(struct ctl_lun *lun);
204void ctl_isc_announce_port(struct ctl_port *port);
205void ctl_isc_announce_iid(struct ctl_port *port, int iid);
206void ctl_isc_announce_mode(struct ctl_lun *lun, uint32_t initidx,
207    uint8_t page, uint8_t subpage);
208
209int ctl_expand_number(const char *buf, uint64_t *num);
210
211#endif	/* _KERNEL */
212
213#endif	/* _CTL_H_ */
214
215/*
216 * vim: ts=8
217 */
218