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 31 struct mpr_fw_event_work; 32 33 struct mprsas_lun { 34 SLIST_ENTRY(mprsas_lun) lun_link; 35 lun_id_t lun_id; 36 uint8_t eedp_formatted; 37 uint32_t eedp_block_size; 38 }; 39 40 struct mprsas_target { 41 uint16_t handle; 42 uint8_t linkrate; 43 uint8_t encl_level_valid; 44 uint8_t encl_level; 45 char connector_name[4]; 46 uint64_t devname; 47 uint32_t devinfo; 48 uint16_t encl_handle; 49 uint16_t encl_slot; 50 uint8_t flags; 51 #define MPRSAS_TARGET_INABORT (1 << 0) 52 #define MPRSAS_TARGET_INRESET (1 << 1) 53 #define MPRSAS_TARGET_INDIAGRESET (1 << 2) 54 #define MPRSAS_TARGET_INREMOVAL (1 << 3) 55 #define MPR_TARGET_FLAGS_RAID_COMPONENT (1 << 4) 56 #define MPR_TARGET_FLAGS_VOLUME (1 << 5) 57 #define MPR_TARGET_IS_SATA_SSD (1 << 6) 58 #define MPRSAS_TARGET_TOREMOVE (1 << 7) 59 60 uint16_t tid; 61 SLIST_HEAD(, mprsas_lun) luns; 62 TAILQ_HEAD(, mpr_command) commands; 63 struct mpr_command *tm; 64 struct mpr_command *pending_remove_tm; 65 TAILQ_HEAD(, mpr_command) timedout_commands; 66 uint16_t exp_dev_handle; 67 uint16_t phy_num; 68 uint64_t sasaddr; 69 uint16_t parent_handle; 70 uint64_t parent_sasaddr; 71 uint32_t parent_devinfo; 72 uint64_t issued; 73 uint64_t completed; 74 unsigned int outstanding; 75 unsigned int timeouts; 76 unsigned int aborts; 77 unsigned int logical_unit_resets; 78 unsigned int target_resets; 79 uint8_t scsi_req_desc_type; 80 uint8_t stop_at_shutdown; 81 uint8_t supports_SSU; 82 uint8_t is_nvme; 83 uint32_t MDTS; 84 uint8_t controller_reset_timeout; 85 }; 86 87 struct mprsas_softc { 88 struct mpr_softc *sc; 89 u_int flags; 90 #define MPRSAS_IN_DISCOVERY (1 << 0) 91 #define MPRSAS_IN_STARTUP (1 << 1) 92 #define MPRSAS_QUEUE_FROZEN (1 << 3) 93 #define MPRSAS_TOREMOVE (1 << 5) 94 u_int maxtargets; 95 struct mprsas_target *targets; 96 struct cam_devq *devq; 97 struct cam_sim *sim; 98 struct cam_path *path; 99 struct intr_config_hook sas_ich; 100 struct mpr_event_handle *mprsas_eh; 101 102 u_int startup_refcount; 103 struct proc *sysctl_proc; 104 105 struct taskqueue *ev_tq; 106 struct task ev_task; 107 TAILQ_HEAD(, mpr_fw_event_work) ev_queue; 108 }; 109 110 MALLOC_DECLARE(M_MPRSAS); 111 112 /* 113 * Abstracted so that the driver can be backwards and forwards compatible 114 * with future versions of CAM that will provide this functionality. 115 */ 116 #define MPR_SET_LUN(lun, ccblun) \ 117 mprsas_set_lun(lun, ccblun) 118 119 static __inline int 120 mprsas_set_lun(uint8_t *lun, u_int ccblun) 121 { 122 uint64_t *newlun; 123 124 newlun = (uint64_t *)lun; 125 *newlun = 0; 126 if (ccblun <= 0xff) { 127 /* Peripheral device address method, LUN is 0 to 255 */ 128 lun[1] = ccblun; 129 } else if (ccblun <= 0x3fff) { 130 /* Flat space address method, LUN is <= 16383 */ 131 scsi_ulto2b(ccblun, lun); 132 lun[0] |= 0x40; 133 } else if (ccblun <= 0xffffff) { 134 /* Extended flat space address method, LUN is <= 16777215 */ 135 scsi_ulto3b(ccblun, &lun[1]); 136 /* Extended Flat space address method */ 137 lun[0] = 0xc0; 138 /* Length = 1, i.e. LUN is 3 bytes long */ 139 lun[0] |= 0x10; 140 /* Extended Address Method */ 141 lun[0] |= 0x02; 142 } else { 143 return (EINVAL); 144 } 145 146 return (0); 147 } 148 149 static __inline void 150 mprsas_set_ccbstatus(union ccb *ccb, int status) 151 { 152 ccb->ccb_h.status &= ~CAM_STATUS_MASK; 153 ccb->ccb_h.status |= status; 154 } 155 156 static __inline int 157 mprsas_get_ccbstatus(union ccb *ccb) 158 { 159 return (ccb->ccb_h.status & CAM_STATUS_MASK); 160 } 161 162 #define MPR_SET_SINGLE_LUN(req, lun) \ 163 do { \ 164 bzero((req)->LUN, 8); \ 165 (req)->LUN[1] = lun; \ 166 } while(0) 167 168 void mprsas_rescan_target(struct mpr_softc *sc, struct mprsas_target *targ); 169 void mprsas_discovery_end(struct mprsas_softc *sassc); 170 void mprsas_prepare_for_tm(struct mpr_softc *sc, struct mpr_command *tm, 171 struct mprsas_target *target, lun_id_t lun_id); 172 void mprsas_startup_increment(struct mprsas_softc *sassc); 173 void mprsas_startup_decrement(struct mprsas_softc *sassc); 174 175 void mprsas_firmware_event_work(void *arg, int pending); 176 int mprsas_check_id(struct mprsas_softc *sassc, int id); 177