2 * Copyright (c) 2003 Silicon Graphics International Corp.
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions, and the following disclaimer,
10 * without modification.
11 * 2. Redistributions in binary form must reproduce at minimum a disclaimer
12 * substantially similar to the "NO WARRANTY" disclaimer below
13 * ("Disclaimer") and any redistribution must be conditioned upon
14 * including a substantially similar Disclaimer requirement for further
15 * binary redistribution.
18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
19 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
20 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
21 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
22 * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
23 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
24 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
25 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
26 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
27 * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
28 * POSSIBILITY OF SUCH DAMAGES.
30 * $Id: //depot/users/kenm/FreeBSD-test2/sys/cam/ctl/ctl.h#5 $
34 * Function definitions used both within CTL and potentially in various CTL
37 * Author: Ken Merry <ken@FreeBSD.org>
43 #define ctl_min(x,y) (((x) < (y)) ? (x) : (y))
44 #define CTL_RETVAL_COMPLETE 0
45 #define CTL_RETVAL_QUEUED 1
46 #define CTL_RETVAL_ALLOCATED 2
47 #define CTL_RETVAL_ERROR 3
53 CTL_PORT_IOCTL = 0x04,
54 CTL_PORT_INTERNAL = 0x08,
55 CTL_PORT_ISCSI = 0x10,
58 CTL_PORT_ISC = 0x100 // FC port for inter-shelf communication
61 struct ctl_port_entry {
62 ctl_port_type port_type;
68 #define CTL_PORT_WWNN_VALID 0x01
69 #define CTL_PORT_WWPN_VALID 0x02
75 struct ctl_modepage_header {
82 struct ctl_modepage_aps {
83 struct ctl_modepage_header header;
87 union ctl_modepage_info {
88 struct ctl_modepage_header header;
89 struct ctl_modepage_aps aps;
93 * Serial number length, for VPD page 0x80.
98 * Device ID length, for VPD page 0x83.
100 #define CTL_DEVID_LEN 64
101 #define CTL_DEVID_MIN_LEN 16
103 * WWPN length, for VPD page 0x83.
105 #define CTL_WWPN_LEN 8
107 #define CTL_DRIVER_NAME_LEN 32
110 * Unit attention types. ASC/ASCQ values for these should be placed in
111 * ctl_build_ua. These are also listed in order of reporting priority.
112 * i.e. a poweron UA is reported first, bus reset second, etc.
115 CTL_UA_NONE = 0x0000,
116 CTL_UA_POWERON = 0x0001,
117 CTL_UA_BUS_RESET = 0x0002,
118 CTL_UA_TARG_RESET = 0x0004,
119 CTL_UA_I_T_NEXUS_LOSS = 0x0008,
120 CTL_UA_LUN_RESET = 0x0010,
121 CTL_UA_LUN_CHANGE = 0x0020,
122 CTL_UA_MODE_CHANGE = 0x0040,
123 CTL_UA_LOG_CHANGE = 0x0080,
126 CTL_UA_RES_PREEMPT = 0x0400,
127 CTL_UA_RES_RELEASE = 0x0800,
128 CTL_UA_REG_PREEMPT = 0x1000,
129 CTL_UA_ASYM_ACC_CHANGE = 0x2000,
130 CTL_UA_CAPACITY_CHANGED = 0x4000
135 MALLOC_DECLARE(M_CTL);
137 struct ctl_page_index;
139 #ifdef SYSCTL_DECL /* from sysctl.h */
140 SYSCTL_DECL(_kern_cam_ctl);
144 * Call these routines to enable or disable front end ports.
146 int ctl_port_enable(ctl_port_type port_type);
147 int ctl_port_disable(ctl_port_type port_type);
149 * This routine grabs a list of frontend ports.
151 int ctl_port_list(struct ctl_port_entry *entries, int num_entries_alloced,
152 int *num_entries_filled, int *num_entries_dropped,
153 ctl_port_type port_type, int no_virtual);
156 * Put a string into an sbuf, escaping characters that are illegal or not
157 * recommended in XML. Note this doesn't escape everything, just > < and &.
159 int ctl_sbuf_printf_esc(struct sbuf *sb, char *str, int size);
161 int ctl_ffz(uint32_t *mask, uint32_t size);
162 int ctl_set_mask(uint32_t *mask, uint32_t bit);
163 int ctl_clear_mask(uint32_t *mask, uint32_t bit);
164 int ctl_is_set(uint32_t *mask, uint32_t bit);
165 int ctl_caching_sp_handler(struct ctl_scsiio *ctsio,
166 struct ctl_page_index *page_index, uint8_t *page_ptr);
167 int ctl_control_page_handler(struct ctl_scsiio *ctsio,
168 struct ctl_page_index *page_index,
171 int ctl_failover_sp_handler(struct ctl_scsiio *ctsio,
172 struct ctl_page_index *page_index,
175 int ctl_debugconf_sp_sense_handler(struct ctl_scsiio *ctsio,
176 struct ctl_page_index *page_index,
178 int ctl_debugconf_sp_select_handler(struct ctl_scsiio *ctsio,
179 struct ctl_page_index *page_index,
181 int ctl_config_move_done(union ctl_io *io);
182 void ctl_datamove(union ctl_io *io);
183 void ctl_done(union ctl_io *io);
184 void ctl_data_submit_done(union ctl_io *io);
185 void ctl_config_write_done(union ctl_io *io);
186 void ctl_portDB_changed(int portnum);
187 void ctl_init_isc_msg(void);
190 * KPI to manipulate LUN/port options
194 STAILQ_ENTRY(ctl_option) links;
198 typedef STAILQ_HEAD(ctl_options, ctl_option) ctl_options_t;
201 void ctl_init_opts(ctl_options_t *opts, int num_args, struct ctl_be_arg *args);
202 void ctl_free_opts(ctl_options_t *opts);
203 char * ctl_get_opt(ctl_options_t *opts, const char *name);