1 /*- 2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD 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 * $FreeBSD$ 32 */ 33 34 struct mps_fw_event_work; 35 36 struct mpssas_lun { 37 SLIST_ENTRY(mpssas_lun) lun_link; 38 lun_id_t lun_id; 39 uint8_t eedp_formatted; 40 uint32_t eedp_block_size; 41 }; 42 43 struct mpssas_target { 44 uint16_t handle; 45 uint8_t linkrate; 46 uint64_t devname; 47 uint32_t devinfo; 48 uint16_t encl_handle; 49 uint16_t encl_slot; 50 uint8_t flags; 51 #define MPSSAS_TARGET_INABORT (1 << 0) 52 #define MPSSAS_TARGET_INRESET (1 << 1) 53 #define MPSSAS_TARGET_INDIAGRESET (1 << 2) 54 #define MPSSAS_TARGET_INREMOVAL (1 << 3) 55 #define MPS_TARGET_FLAGS_RAID_COMPONENT (1 << 4) 56 #define MPS_TARGET_FLAGS_VOLUME (1 << 5) 57 #define MPS_TARGET_IS_SATA_SSD (1 << 6) 58 #define MPSSAS_TARGET_INRECOVERY (MPSSAS_TARGET_INABORT | \ 59 MPSSAS_TARGET_INRESET | MPSSAS_TARGET_INCHIPRESET) 60 61 uint16_t tid; 62 SLIST_HEAD(, mpssas_lun) luns; 63 TAILQ_HEAD(, mps_command) commands; 64 struct mps_command *tm; 65 struct mps_command *pending_remove_tm; 66 TAILQ_HEAD(, mps_command) timedout_commands; 67 uint16_t exp_dev_handle; 68 uint16_t phy_num; 69 uint64_t sasaddr; 70 uint16_t parent_handle; 71 uint64_t parent_sasaddr; 72 uint32_t parent_devinfo; 73 uint64_t issued; 74 uint64_t completed; 75 unsigned int outstanding; 76 unsigned int timeouts; 77 unsigned int aborts; 78 unsigned int logical_unit_resets; 79 unsigned int target_resets; 80 uint8_t stop_at_shutdown; 81 uint8_t supports_SSU; 82 }; 83 84 struct mpssas_softc { 85 struct mps_softc *sc; 86 u_int flags; 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) 92 u_int maxtargets; 93 struct mpssas_target *targets; 94 struct cam_devq *devq; 95 struct cam_sim *sim; 96 struct cam_path *path; 97 struct intr_config_hook sas_ich; 98 struct callout discovery_callout; 99 struct mps_event_handle *mpssas_eh; 100 101 u_int startup_refcount; 102 struct proc *sysctl_proc; 103 104 struct taskqueue *ev_tq; 105 struct task ev_task; 106 TAILQ_HEAD(, mps_fw_event_work) ev_queue; 107 }; 108 109 MALLOC_DECLARE(M_MPSSAS); 110 111 /* 112 * Abstracted so that the driver can be backwards and forwards compatible 113 * with future versions of CAM that will provide this functionality. 114 */ 115 #define MPS_SET_LUN(lun, ccblun) \ 116 mpssas_set_lun(lun, ccblun) 117 118 static __inline int 119 mpssas_set_lun(uint8_t *lun, u_int ccblun) 120 { 121 uint64_t *newlun; 122 123 newlun = (uint64_t *)lun; 124 *newlun = 0; 125 if (ccblun <= 0xff) { 126 /* Peripheral device address method, LUN is 0 to 255 */ 127 lun[1] = ccblun; 128 } else if (ccblun <= 0x3fff) { 129 /* Flat space address method, LUN is <= 16383 */ 130 scsi_ulto2b(ccblun, lun); 131 lun[0] |= 0x40; 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 */ 136 lun[0] = 0xc0; 137 /* Length = 1, i.e. LUN is 3 bytes long */ 138 lun[0] |= 0x10; 139 /* Extended Address Method */ 140 lun[0] |= 0x02; 141 } else { 142 return (EINVAL); 143 } 144 145 return (0); 146 } 147 148 static __inline void 149 mpssas_set_ccbstatus(union ccb *ccb, int status) 150 { 151 ccb->ccb_h.status &= ~CAM_STATUS_MASK; 152 ccb->ccb_h.status |= status; 153 } 154 155 static __inline int 156 mpssas_get_ccbstatus(union ccb *ccb) 157 { 158 return (ccb->ccb_h.status & CAM_STATUS_MASK); 159 } 160 161 #define MPS_SET_SINGLE_LUN(req, lun) \ 162 do { \ 163 bzero((req)->LUN, 8); \ 164 (req)->LUN[1] = lun; \ 165 } while(0) 166 167 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); 173 174 void mpssas_firmware_event_work(void *arg, int pending); 175 int mpssas_check_id(struct mpssas_softc *sassc, int id); 176