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 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 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 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