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,
56 CTL_PORT_ISC = 0x100 // FC port for inter-shelf communication
59 struct ctl_port_entry {
60 ctl_port_type port_type;
66 #define CTL_PORT_WWNN_VALID 0x01
67 #define CTL_PORT_WWPN_VALID 0x02
73 struct ctl_modepage_header {
80 struct ctl_modepage_aps {
81 struct ctl_modepage_header header;
85 union ctl_modepage_info {
86 struct ctl_modepage_header header;
87 struct ctl_modepage_aps aps;
91 * Serial number length, for VPD page 0x80.
96 * Device ID length, for VPD page 0x83.
98 #define CTL_DEVID_LEN 16
100 * WWPN length, for VPD page 0x83.
102 #define CTL_WWPN_LEN 8
105 * Unit attention types. ASC/ASCQ values for these should be placed in
106 * ctl_build_ua. These are also listed in order of reporting priority.
107 * i.e. a poweron UA is reported first, bus reset second, etc.
110 CTL_UA_NONE = 0x0000,
111 CTL_UA_POWERON = 0x0001,
112 CTL_UA_BUS_RESET = 0x0002,
113 CTL_UA_TARG_RESET = 0x0004,
114 CTL_UA_LUN_RESET = 0x0008,
115 CTL_UA_LUN_CHANGE = 0x0010,
116 CTL_UA_MODE_CHANGE = 0x0020,
117 CTL_UA_LOG_CHANGE = 0x0040,
120 CTL_UA_RES_PREEMPT = 0x0200,
121 CTL_UA_RES_RELEASE = 0x0400,
122 CTL_UA_REG_PREEMPT = 0x0800,
123 CTL_UA_ASYM_ACC_CHANGE = 0x1000,
124 CTL_UA_CAPACITY_CHANGED = 0x2000
129 MALLOC_DECLARE(M_CTL);
132 CTL_THREAD_NONE = 0x00,
133 CTL_THREAD_WAKEUP = 0x01
137 void (*thread_func)(void *arg);
139 struct cv wait_queue;
140 const char *thread_name;
141 ctl_thread_flags thread_flags;
142 struct completion *thread_event;
143 struct task_struct *task;
146 struct ctl_page_index;
148 #ifdef SYSCTL_DECL /* from sysctl.h */
149 SYSCTL_DECL(_kern_cam_ctl);
153 * Call these routines to enable or disable front end ports.
155 int ctl_port_enable(ctl_port_type port_type);
156 int ctl_port_disable(ctl_port_type port_type);
158 * This routine grabs a list of frontend ports.
160 int ctl_port_list(struct ctl_port_entry *entries, int num_entries_alloced,
161 int *num_entries_filled, int *num_entries_dropped,
162 ctl_port_type port_type, int no_virtual);
165 * Put a string into an sbuf, escaping characters that are illegal or not
166 * recommended in XML. Note this doesn't escape everything, just > < and &.
168 int ctl_sbuf_printf_esc(struct sbuf *sb, char *str);
170 int ctl_ffz(uint32_t *mask, uint32_t size);
171 int ctl_set_mask(uint32_t *mask, uint32_t bit);
172 int ctl_clear_mask(uint32_t *mask, uint32_t bit);
173 int ctl_is_set(uint32_t *mask, uint32_t bit);
174 int ctl_control_page_handler(struct ctl_scsiio *ctsio,
175 struct ctl_page_index *page_index,
178 int ctl_failover_sp_handler(struct ctl_scsiio *ctsio,
179 struct ctl_page_index *page_index,
182 int ctl_power_sp_handler(struct ctl_scsiio *ctsio,
183 struct ctl_page_index *page_index, uint8_t *page_ptr);
184 int ctl_power_sp_sense_handler(struct ctl_scsiio *ctsio,
185 struct ctl_page_index *page_index, int pc);
186 int ctl_aps_sp_handler(struct ctl_scsiio *ctsio,
187 struct ctl_page_index *page_index, uint8_t *page_ptr);
188 int ctl_debugconf_sp_sense_handler(struct ctl_scsiio *ctsio,
189 struct ctl_page_index *page_index,
191 int ctl_debugconf_sp_select_handler(struct ctl_scsiio *ctsio,
192 struct ctl_page_index *page_index,
194 int ctl_config_move_done(union ctl_io *io);
195 void ctl_datamove(union ctl_io *io);
196 void ctl_done(union ctl_io *io);
197 void ctl_config_write_done(union ctl_io *io);
199 int ctl_thread(void *arg);
201 void ctl_wakeup_thread(void);
203 struct ctl_thread *ctl_create_thread(void (*thread_func)
204 (void *thread_arg), void *thread_arg, const char *thread_name);
205 void ctl_signal_thread(struct ctl_thread *thread);
206 void ctl_shutdown_thread(struct ctl_thread *thread);
208 void ctl_portDB_changed(int portnum);
209 void ctl_init_isc_msg(void);