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 TAILQ_HEAD(, mpr_command) timedout_commands; 68 uint16_t exp_dev_handle; 69 uint16_t phy_num; 70 uint64_t sasaddr; 71 uint16_t parent_handle; 72 uint64_t parent_sasaddr; 73 uint32_t parent_devinfo; 74 uint64_t issued; 75 uint64_t completed; 76 unsigned int outstanding; 77 unsigned int timeouts; 78 unsigned int aborts; 79 unsigned int logical_unit_resets; 80 unsigned int target_resets; 81 uint8_t scsi_req_desc_type; 82 uint8_t stop_at_shutdown; 83 uint8_t supports_SSU; 84 uint8_t is_nvme; 85 uint32_t MDTS; 86 uint8_t controller_reset_timeout; 87 }; 88 89 struct mprsas_softc { 90 struct mpr_softc *sc; 91 u_int flags; 92 #define MPRSAS_IN_DISCOVERY (1 << 0) 93 #define MPRSAS_IN_STARTUP (1 << 1) 94 #define MPRSAS_DISCOVERY_TIMEOUT_PENDING (1 << 2) 95 #define MPRSAS_QUEUE_FROZEN (1 << 3) 96 #define MPRSAS_SHUTDOWN (1 << 4) 97 u_int maxtargets; 98 struct mprsas_target *targets; 99 struct cam_devq *devq; 100 struct cam_sim *sim; 101 struct cam_path *path; 102 struct intr_config_hook sas_ich; 103 struct callout discovery_callout; 104 struct mpr_event_handle *mprsas_eh; 105 106 u_int startup_refcount; 107 struct proc *sysctl_proc; 108 109 struct taskqueue *ev_tq; 110 struct task ev_task; 111 TAILQ_HEAD(, mpr_fw_event_work) ev_queue; 112 }; 113 114 MALLOC_DECLARE(M_MPRSAS); 115 116 /* 117 * Abstracted so that the driver can be backwards and forwards compatible 118 * with future versions of CAM that will provide this functionality. 119 */ 120 #define MPR_SET_LUN(lun, ccblun) \ 121 mprsas_set_lun(lun, ccblun) 122 123 static __inline int 124 mprsas_set_lun(uint8_t *lun, u_int ccblun) 125 { 126 uint64_t *newlun; 127 128 newlun = (uint64_t *)lun; 129 *newlun = 0; 130 if (ccblun <= 0xff) { 131 /* Peripheral device address method, LUN is 0 to 255 */ 132 lun[1] = ccblun; 133 } else if (ccblun <= 0x3fff) { 134 /* Flat space address method, LUN is <= 16383 */ 135 scsi_ulto2b(ccblun, lun); 136 lun[0] |= 0x40; 137 } else if (ccblun <= 0xffffff) { 138 /* Extended flat space address method, LUN is <= 16777215 */ 139 scsi_ulto3b(ccblun, &lun[1]); 140 /* Extended Flat space address method */ 141 lun[0] = 0xc0; 142 /* Length = 1, i.e. LUN is 3 bytes long */ 143 lun[0] |= 0x10; 144 /* Extended Address Method */ 145 lun[0] |= 0x02; 146 } else { 147 return (EINVAL); 148 } 149 150 return (0); 151 } 152 153 static __inline void 154 mprsas_set_ccbstatus(union ccb *ccb, int status) 155 { 156 ccb->ccb_h.status &= ~CAM_STATUS_MASK; 157 ccb->ccb_h.status |= status; 158 } 159 160 static __inline int 161 mprsas_get_ccbstatus(union ccb *ccb) 162 { 163 return (ccb->ccb_h.status & CAM_STATUS_MASK); 164 } 165 166 #define MPR_SET_SINGLE_LUN(req, lun) \ 167 do { \ 168 bzero((req)->LUN, 8); \ 169 (req)->LUN[1] = lun; \ 170 } while(0) 171 172 void mprsas_rescan_target(struct mpr_softc *sc, struct mprsas_target *targ); 173 void mprsas_discovery_end(struct mprsas_softc *sassc); 174 void mprsas_prepare_for_tm(struct mpr_softc *sc, struct mpr_command *tm, 175 struct mprsas_target *target, lun_id_t lun_id); 176 void mprsas_startup_increment(struct mprsas_softc *sassc); 177 void mprsas_startup_decrement(struct mprsas_softc *sassc); 178 179 void mprsas_firmware_event_work(void *arg, int pending); 180 int mprsas_check_id(struct mprsas_softc *sassc, int id); 181