1 /*- 2 * Copyright (c) 2011-2015 LSI Corp. 3 * Copyright (c) 2013-2015 Avago Technologies 4 * All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 1. Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 16 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 18 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 19 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 20 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 21 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 22 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 23 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 24 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 25 * SUCH DAMAGE. 26 * 27 * Avago Technologies (LSI) MPT-Fusion Host Adapter FreeBSD 28 * 29 * $FreeBSD$ 30 */ 31 32 struct mpr_fw_event_work; 33 34 struct mprsas_lun { 35 SLIST_ENTRY(mprsas_lun) lun_link; 36 lun_id_t lun_id; 37 uint8_t eedp_formatted; 38 uint32_t eedp_block_size; 39 }; 40 41 struct mprsas_target { 42 uint16_t handle; 43 uint8_t linkrate; 44 uint8_t encl_level_valid; 45 uint8_t encl_level; 46 char connector_name[4]; 47 uint64_t devname; 48 uint32_t devinfo; 49 uint16_t encl_handle; 50 uint16_t encl_slot; 51 uint8_t flags; 52 #define MPRSAS_TARGET_INABORT (1 << 0) 53 #define MPRSAS_TARGET_INRESET (1 << 1) 54 #define MPRSAS_TARGET_INDIAGRESET (1 << 2) 55 #define MPRSAS_TARGET_INREMOVAL (1 << 3) 56 #define MPR_TARGET_FLAGS_RAID_COMPONENT (1 << 4) 57 #define MPR_TARGET_FLAGS_VOLUME (1 << 5) 58 #define MPR_TARGET_IS_SATA_SSD (1 << 6) 59 #define MPRSAS_TARGET_INRECOVERY (MPRSAS_TARGET_INABORT | \ 60 MPRSAS_TARGET_INRESET | MPRSAS_TARGET_INCHIPRESET) 61 62 uint16_t tid; 63 SLIST_HEAD(, mprsas_lun) luns; 64 TAILQ_HEAD(, mpr_command) commands; 65 struct mpr_command *tm; 66 TAILQ_HEAD(, mpr_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 struct sysctl_ctx_list sysctl_ctx; 74 struct sysctl_oid *sysctl_tree; 75 TAILQ_ENTRY(mprsas_target) sysctl_link; 76 uint64_t issued; 77 uint64_t completed; 78 unsigned int outstanding; 79 unsigned int timeouts; 80 unsigned int aborts; 81 unsigned int logical_unit_resets; 82 unsigned int target_resets; 83 uint8_t scsi_req_desc_type; 84 uint8_t stop_at_shutdown; 85 uint8_t supports_SSU; 86 }; 87 88 struct mprsas_softc { 89 struct mpr_softc *sc; 90 u_int flags; 91 #define MPRSAS_IN_DISCOVERY (1 << 0) 92 #define MPRSAS_IN_STARTUP (1 << 1) 93 #define MPRSAS_DISCOVERY_TIMEOUT_PENDING (1 << 2) 94 #define MPRSAS_QUEUE_FROZEN (1 << 3) 95 #define MPRSAS_SHUTDOWN (1 << 4) 96 u_int maxtargets; 97 struct mprsas_target *targets; 98 struct cam_devq *devq; 99 struct cam_sim *sim; 100 struct cam_path *path; 101 struct intr_config_hook sas_ich; 102 struct callout discovery_callout; 103 struct mpr_event_handle *mprsas_eh; 104 105 u_int startup_refcount; 106 struct proc *sysctl_proc; 107 108 struct taskqueue *ev_tq; 109 struct task ev_task; 110 TAILQ_HEAD(, mpr_fw_event_work) ev_queue; 111 }; 112 113 MALLOC_DECLARE(M_MPRSAS); 114 115 /* 116 * Abstracted so that the driver can be backwards and forwards compatible 117 * with future versions of CAM that will provide this functionality. 118 */ 119 #define MPR_SET_LUN(lun, ccblun) \ 120 mprsas_set_lun(lun, ccblun) 121 122 static __inline int 123 mprsas_set_lun(uint8_t *lun, u_int ccblun) 124 { 125 uint64_t *newlun; 126 127 newlun = (uint64_t *)lun; 128 *newlun = 0; 129 if (ccblun <= 0xff) { 130 /* Peripheral device address method, LUN is 0 to 255 */ 131 lun[1] = ccblun; 132 } else if (ccblun <= 0x3fff) { 133 /* Flat space address method, LUN is <= 16383 */ 134 scsi_ulto2b(ccblun, lun); 135 lun[0] |= 0x40; 136 } else if (ccblun <= 0xffffff) { 137 /* Extended flat space address method, LUN is <= 16777215 */ 138 scsi_ulto3b(ccblun, &lun[1]); 139 /* Extended Flat space address method */ 140 lun[0] = 0xc0; 141 /* Length = 1, i.e. LUN is 3 bytes long */ 142 lun[0] |= 0x10; 143 /* Extended Address Method */ 144 lun[0] |= 0x02; 145 } else { 146 return (EINVAL); 147 } 148 149 return (0); 150 } 151 152 static __inline void 153 mprsas_set_ccbstatus(union ccb *ccb, int status) 154 { 155 ccb->ccb_h.status &= ~CAM_STATUS_MASK; 156 ccb->ccb_h.status |= status; 157 } 158 159 static __inline int 160 mprsas_get_ccbstatus(union ccb *ccb) 161 { 162 return (ccb->ccb_h.status & CAM_STATUS_MASK); 163 } 164 165 #define MPR_SET_SINGLE_LUN(req, lun) \ 166 do { \ 167 bzero((req)->LUN, 8); \ 168 (req)->LUN[1] = lun; \ 169 } while(0) 170 171 void mprsas_rescan_target(struct mpr_softc *sc, struct mprsas_target *targ); 172 void mprsas_discovery_end(struct mprsas_softc *sassc); 173 void mprsas_prepare_for_tm(struct mpr_softc *sc, struct mpr_command *tm, 174 struct mprsas_target *target, lun_id_t lun_id); 175 void mprsas_startup_increment(struct mprsas_softc *sassc); 176 void mprsas_startup_decrement(struct mprsas_softc *sassc); 177 178 void mprsas_firmware_event_work(void *arg, int pending); 179 int mprsas_check_id(struct mprsas_softc *sassc, int id); 180