FreeBSD/Linux Kernel Cross Reference
sys/dev/mpr/mpr_sas.h
1 /*-
2 * Copyright (c) 2011-2015 LSI Corp.
3 * Copyright (c) 2013-2016 Avago Technologies
4 * Copyright 2000-2020 Broadcom Inc.
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 * Broadcom Inc. (LSI) MPT-Fusion Host Adapter FreeBSD
29 *
30 * $FreeBSD$
31 */
32
33 struct mpr_fw_event_work;
34
35 struct mprsas_lun {
36 SLIST_ENTRY(mprsas_lun) lun_link;
37 lun_id_t lun_id;
38 uint8_t eedp_formatted;
39 uint32_t eedp_block_size;
40 };
41
42 struct mprsas_target {
43 uint16_t handle;
44 uint8_t linkrate;
45 uint8_t encl_level_valid;
46 uint8_t encl_level;
47 char connector_name[4];
48 uint64_t devname;
49 uint32_t devinfo;
50 uint16_t encl_handle;
51 uint16_t encl_slot;
52 uint8_t flags;
53 #define MPRSAS_TARGET_INABORT (1 << 0)
54 #define MPRSAS_TARGET_INRESET (1 << 1)
55 #define MPRSAS_TARGET_INDIAGRESET (1 << 2)
56 #define MPRSAS_TARGET_INREMOVAL (1 << 3)
57 #define MPR_TARGET_FLAGS_RAID_COMPONENT (1 << 4)
58 #define MPR_TARGET_FLAGS_VOLUME (1 << 5)
59 #define MPR_TARGET_IS_SATA_SSD (1 << 6)
60 #define MPRSAS_TARGET_INRECOVERY (MPRSAS_TARGET_INABORT | \
61 MPRSAS_TARGET_INRESET | MPRSAS_TARGET_INCHIPRESET)
62
63 uint16_t tid;
64 SLIST_HEAD(, mprsas_lun) luns;
65 TAILQ_HEAD(, mpr_command) commands;
66 struct mpr_command *tm;
67 struct mpr_command *pending_remove_tm;
68 TAILQ_HEAD(, mpr_command) timedout_commands;
69 uint16_t exp_dev_handle;
70 uint16_t phy_num;
71 uint64_t sasaddr;
72 uint16_t parent_handle;
73 uint64_t parent_sasaddr;
74 uint32_t parent_devinfo;
75 uint64_t issued;
76 uint64_t completed;
77 unsigned int outstanding;
78 unsigned int timeouts;
79 unsigned int aborts;
80 unsigned int logical_unit_resets;
81 unsigned int target_resets;
82 uint8_t scsi_req_desc_type;
83 uint8_t stop_at_shutdown;
84 uint8_t supports_SSU;
85 uint8_t is_nvme;
86 uint32_t MDTS;
87 uint8_t controller_reset_timeout;
88 };
89
90 struct mprsas_softc {
91 struct mpr_softc *sc;
92 u_int flags;
93 #define MPRSAS_IN_DISCOVERY (1 << 0)
94 #define MPRSAS_IN_STARTUP (1 << 1)
95 #define MPRSAS_DISCOVERY_TIMEOUT_PENDING (1 << 2)
96 #define MPRSAS_QUEUE_FROZEN (1 << 3)
97 #define MPRSAS_SHUTDOWN (1 << 4)
98 u_int maxtargets;
99 struct mprsas_target *targets;
100 struct cam_devq *devq;
101 struct cam_sim *sim;
102 struct cam_path *path;
103 struct intr_config_hook sas_ich;
104 struct callout discovery_callout;
105 struct mpr_event_handle *mprsas_eh;
106
107 u_int startup_refcount;
108 struct proc *sysctl_proc;
109
110 struct taskqueue *ev_tq;
111 struct task ev_task;
112 TAILQ_HEAD(, mpr_fw_event_work) ev_queue;
113 };
114
115 MALLOC_DECLARE(M_MPRSAS);
116
117 /*
118 * Abstracted so that the driver can be backwards and forwards compatible
119 * with future versions of CAM that will provide this functionality.
120 */
121 #define MPR_SET_LUN(lun, ccblun) \
122 mprsas_set_lun(lun, ccblun)
123
124 static __inline int
125 mprsas_set_lun(uint8_t *lun, u_int ccblun)
126 {
127 uint64_t *newlun;
128
129 newlun = (uint64_t *)lun;
130 *newlun = 0;
131 if (ccblun <= 0xff) {
132 /* Peripheral device address method, LUN is 0 to 255 */
133 lun[1] = ccblun;
134 } else if (ccblun <= 0x3fff) {
135 /* Flat space address method, LUN is <= 16383 */
136 scsi_ulto2b(ccblun, lun);
137 lun[0] |= 0x40;
138 } else if (ccblun <= 0xffffff) {
139 /* Extended flat space address method, LUN is <= 16777215 */
140 scsi_ulto3b(ccblun, &lun[1]);
141 /* Extended Flat space address method */
142 lun[0] = 0xc0;
143 /* Length = 1, i.e. LUN is 3 bytes long */
144 lun[0] |= 0x10;
145 /* Extended Address Method */
146 lun[0] |= 0x02;
147 } else {
148 return (EINVAL);
149 }
150
151 return (0);
152 }
153
154 static __inline void
155 mprsas_set_ccbstatus(union ccb *ccb, int status)
156 {
157 ccb->ccb_h.status &= ~CAM_STATUS_MASK;
158 ccb->ccb_h.status |= status;
159 }
160
161 static __inline int
162 mprsas_get_ccbstatus(union ccb *ccb)
163 {
164 return (ccb->ccb_h.status & CAM_STATUS_MASK);
165 }
166
167 #define MPR_SET_SINGLE_LUN(req, lun) \
168 do { \
169 bzero((req)->LUN, 8); \
170 (req)->LUN[1] = lun; \
171 } while(0)
172
173 void mprsas_rescan_target(struct mpr_softc *sc, struct mprsas_target *targ);
174 void mprsas_discovery_end(struct mprsas_softc *sassc);
175 void mprsas_prepare_for_tm(struct mpr_softc *sc, struct mpr_command *tm,
176 struct mprsas_target *target, lun_id_t lun_id);
177 void mprsas_startup_increment(struct mprsas_softc *sassc);
178 void mprsas_startup_decrement(struct mprsas_softc *sassc);
179
180 void mprsas_firmware_event_work(void *arg, int pending);
181 int mprsas_check_id(struct mprsas_softc *sassc, int id);
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