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); 182