1 /*-
2 * SPDX-License-Identifier: BSD-2-Clause
3 *
4 * Copyright (c) 2011-2015 LSI Corp.
5 * Copyright (c) 2013-2015 Avago Technologies
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 * Avago Technologies (LSI) MPT-Fusion Host Adapter FreeBSD
30 */
31
32 struct mps_fw_event_work;
33
34 struct mpssas_lun {
35 SLIST_ENTRY(mpssas_lun) lun_link;
36 lun_id_t lun_id;
37 uint8_t eedp_formatted;
38 uint32_t eedp_block_size;
39 };
40
41 struct mpssas_target {
42 uint16_t handle;
43 uint8_t linkrate;
44 uint64_t devname;
45 uint32_t devinfo;
46 uint16_t encl_handle;
47 uint16_t encl_slot;
48 uint8_t flags;
49 #define MPSSAS_TARGET_INABORT (1 << 0)
50 #define MPSSAS_TARGET_INRESET (1 << 1)
51 #define MPSSAS_TARGET_INDIAGRESET (1 << 2)
52 #define MPSSAS_TARGET_INREMOVAL (1 << 3)
53 #define MPS_TARGET_FLAGS_RAID_COMPONENT (1 << 4)
54 #define MPS_TARGET_FLAGS_VOLUME (1 << 5)
55 #define MPS_TARGET_IS_SATA_SSD (1 << 6)
56 #define MPSSAS_TARGET_INRECOVERY (MPSSAS_TARGET_INABORT | \
57 MPSSAS_TARGET_INRESET | MPSSAS_TARGET_INCHIPRESET)
58
59 uint16_t tid;
60 SLIST_HEAD(, mpssas_lun) luns;
61 TAILQ_HEAD(, mps_command) commands;
62 struct mps_command *tm;
63 struct mps_command *pending_remove_tm;
64 TAILQ_HEAD(, mps_command) timedout_commands;
65 uint16_t exp_dev_handle;
66 uint16_t phy_num;
67 uint64_t sasaddr;
68 uint16_t parent_handle;
69 uint64_t parent_sasaddr;
70 uint32_t parent_devinfo;
71 uint64_t issued;
72 uint64_t completed;
73 unsigned int outstanding;
74 unsigned int timeouts;
75 unsigned int aborts;
76 unsigned int logical_unit_resets;
77 unsigned int target_resets;
78 uint8_t stop_at_shutdown;
79 uint8_t supports_SSU;
80 };
81
82 struct mpssas_softc {
83 struct mps_softc *sc;
84 u_int flags;
85 #define MPSSAS_IN_DISCOVERY (1 << 0)
86 #define MPSSAS_IN_STARTUP (1 << 1)
87 #define MPSSAS_QUEUE_FROZEN (1 << 3)
88 u_int maxtargets;
89 struct mpssas_target *targets;
90 struct cam_devq *devq;
91 struct cam_sim *sim;
92 struct cam_path *path;
93 struct intr_config_hook sas_ich;
94 struct mps_event_handle *mpssas_eh;
95
96 u_int startup_refcount;
97 struct proc *sysctl_proc;
98
99 struct taskqueue *ev_tq;
100 struct task ev_task;
101 TAILQ_HEAD(, mps_fw_event_work) ev_queue;
102 };
103
104 MALLOC_DECLARE(M_MPSSAS);
105
106 /*
107 * Abstracted so that the driver can be backwards and forwards compatible
108 * with future versions of CAM that will provide this functionality.
109 */
110 #define MPS_SET_LUN(lun, ccblun) \
111 mpssas_set_lun(lun, ccblun)
112
113 static __inline int
mpssas_set_lun(uint8_t * lun,u_int ccblun)114 mpssas_set_lun(uint8_t *lun, u_int ccblun)
115 {
116 uint64_t *newlun;
117
118 newlun = (uint64_t *)lun;
119 *newlun = 0;
120 if (ccblun <= 0xff) {
121 /* Peripheral device address method, LUN is 0 to 255 */
122 lun[1] = ccblun;
123 } else if (ccblun <= 0x3fff) {
124 /* Flat space address method, LUN is <= 16383 */
125 scsi_ulto2b(ccblun, lun);
126 lun[0] |= 0x40;
127 } else if (ccblun <= 0xffffff) {
128 /* Extended flat space address method, LUN is <= 16777215 */
129 scsi_ulto3b(ccblun, &lun[1]);
130 /* Extended Flat space address method */
131 lun[0] = 0xc0;
132 /* Length = 1, i.e. LUN is 3 bytes long */
133 lun[0] |= 0x10;
134 /* Extended Address Method */
135 lun[0] |= 0x02;
136 } else {
137 return (EINVAL);
138 }
139
140 return (0);
141 }
142
143 static __inline void
mpssas_set_ccbstatus(union ccb * ccb,int status)144 mpssas_set_ccbstatus(union ccb *ccb, int status)
145 {
146 ccb->ccb_h.status &= ~CAM_STATUS_MASK;
147 ccb->ccb_h.status |= status;
148 }
149
150 static __inline int
mpssas_get_ccbstatus(union ccb * ccb)151 mpssas_get_ccbstatus(union ccb *ccb)
152 {
153 return (ccb->ccb_h.status & CAM_STATUS_MASK);
154 }
155
156 #define MPS_SET_SINGLE_LUN(req, lun) \
157 do { \
158 bzero((req)->LUN, 8); \
159 (req)->LUN[1] = lun; \
160 } while(0)
161
162 void mpssas_rescan_target(struct mps_softc *sc, struct mpssas_target *targ);
163 void mpssas_discovery_end(struct mpssas_softc *sassc);
164 void mpssas_prepare_for_tm(struct mps_softc *sc, struct mps_command *tm,
165 struct mpssas_target *target, lun_id_t lun_id);
166 void mpssas_startup_increment(struct mpssas_softc *sassc);
167 void mpssas_startup_decrement(struct mpssas_softc *sassc);
168
169 void mpssas_firmware_event_work(void *arg, int pending);
170 int mpssas_check_id(struct mpssas_softc *sassc, int id);
171