2 * Copyright (c) 2011-2015 LSI Corp.
3 * Copyright (c) 2013-2015 Avago Technologies
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
9 * 1. Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
16 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
18 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
19 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
20 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
21 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
22 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
23 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
24 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27 * Avago Technologies (LSI) MPT-Fusion Host Adapter FreeBSD
32 struct mps_fw_event_work;
35 SLIST_ENTRY(mpssas_lun) lun_link;
37 uint8_t eedp_formatted;
38 uint32_t eedp_block_size;
41 struct mpssas_target {
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)
60 SLIST_HEAD(, mpssas_lun) luns;
61 TAILQ_HEAD(, mps_command) commands;
62 struct mps_command *tm;
63 TAILQ_HEAD(, mps_command) timedout_commands;
64 uint16_t exp_dev_handle;
67 uint16_t parent_handle;
68 uint64_t parent_sasaddr;
69 uint32_t parent_devinfo;
70 struct sysctl_ctx_list sysctl_ctx;
71 struct sysctl_oid *sysctl_tree;
72 TAILQ_ENTRY(mpssas_target) sysctl_link;
75 unsigned int outstanding;
76 unsigned int timeouts;
78 unsigned int logical_unit_resets;
79 unsigned int target_resets;
80 uint8_t stop_at_shutdown;
87 #define MPSSAS_IN_DISCOVERY (1 << 0)
88 #define MPSSAS_IN_STARTUP (1 << 1)
89 #define MPSSAS_DISCOVERY_TIMEOUT_PENDING (1 << 2)
90 #define MPSSAS_QUEUE_FROZEN (1 << 3)
91 #define MPSSAS_SHUTDOWN (1 << 4)
93 struct mpssas_target *targets;
94 struct cam_devq *devq;
96 struct cam_path *path;
97 struct intr_config_hook sas_ich;
98 struct callout discovery_callout;
99 struct mps_event_handle *mpssas_eh;
101 u_int startup_refcount;
102 struct proc *sysctl_proc;
104 struct taskqueue *ev_tq;
106 TAILQ_HEAD(, mps_fw_event_work) ev_queue;
109 MALLOC_DECLARE(M_MPSSAS);
112 * Abstracted so that the driver can be backwards and forwards compatible
113 * with future versions of CAM that will provide this functionality.
115 #define MPS_SET_LUN(lun, ccblun) \
116 mpssas_set_lun(lun, ccblun)
119 mpssas_set_lun(uint8_t *lun, u_int ccblun)
123 newlun = (uint64_t *)lun;
125 if (ccblun <= 0xff) {
126 /* Peripheral device address method, LUN is 0 to 255 */
128 } else if (ccblun <= 0x3fff) {
129 /* Flat space address method, LUN is <= 16383 */
130 scsi_ulto2b(ccblun, lun);
132 } else if (ccblun <= 0xffffff) {
133 /* Extended flat space address method, LUN is <= 16777215 */
134 scsi_ulto3b(ccblun, &lun[1]);
135 /* Extended Flat space address method */
137 /* Length = 1, i.e. LUN is 3 bytes long */
139 /* Extended Address Method */
149 mpssas_set_ccbstatus(union ccb *ccb, int status)
151 ccb->ccb_h.status &= ~CAM_STATUS_MASK;
152 ccb->ccb_h.status |= status;
156 mpssas_get_ccbstatus(union ccb *ccb)
158 return (ccb->ccb_h.status & CAM_STATUS_MASK);
161 #define MPS_SET_SINGLE_LUN(req, lun) \
163 bzero((req)->LUN, 8); \
164 (req)->LUN[1] = lun; \
167 void mpssas_rescan_target(struct mps_softc *sc, struct mpssas_target *targ);
168 void mpssas_discovery_end(struct mpssas_softc *sassc);
169 void mpssas_prepare_for_tm(struct mps_softc *sc, struct mps_command *tm,
170 struct mpssas_target *target, lun_id_t lun_id);
171 void mpssas_startup_increment(struct mpssas_softc *sassc);
172 void mpssas_startup_decrement(struct mpssas_softc *sassc);
174 void mpssas_firmware_event_work(void *arg, int pending);
175 int mpssas_check_id(struct mpssas_softc *sassc, int id);