1 /*- 2 * Copyright (c) 2011, 2012 LSI Corp. 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24 * SUCH DAMAGE. 25 * 26 * LSI MPT-Fusion Host Adapter FreeBSD 27 * 28 * $FreeBSD$ 29 */ 30 31 struct mps_fw_event_work; 32 33 struct mpssas_lun { 34 SLIST_ENTRY(mpssas_lun) lun_link; 35 lun_id_t lun_id; 36 uint8_t eedp_formatted; 37 uint32_t eedp_block_size; 38 uint8_t stop_at_shutdown; 39 }; 40 41 struct mpssas_target { 42 uint16_t handle; 43 uint8_t linkrate; 44 uint64_t devname; 45 uint32_t devinfo; 46 uint16_t encl_handle; 47 uint16_t encl_slot; 48 uint8_t flags; 49 #define MPSSAS_TARGET_INABORT (1 << 0) 50 #define MPSSAS_TARGET_INRESET (1 << 1) 51 #define MPSSAS_TARGET_INDIAGRESET (1 << 2) 52 #define MPSSAS_TARGET_INREMOVAL (1 << 3) 53 #define MPS_TARGET_FLAGS_RAID_COMPONENT (1 << 4) 54 #define MPS_TARGET_FLAGS_VOLUME (1 << 5) 55 #define MPSSAS_TARGET_INRECOVERY (MPSSAS_TARGET_INABORT | \ 56 MPSSAS_TARGET_INRESET | MPSSAS_TARGET_INCHIPRESET) 57 58 #define MPSSAS_TARGET_ADD (1 << 29) 59 #define MPSSAS_TARGET_REMOVE (1 << 30) 60 uint16_t tid; 61 SLIST_HEAD(, mpssas_lun) luns; 62 TAILQ_HEAD(, mps_command) commands; 63 struct mps_command *tm; 64 TAILQ_HEAD(, mps_command) timedout_commands; 65 uint16_t exp_dev_handle; 66 uint16_t phy_num; 67 uint64_t sasaddr; 68 uint16_t parent_handle; 69 uint64_t parent_sasaddr; 70 uint32_t parent_devinfo; 71 struct sysctl_ctx_list sysctl_ctx; 72 struct sysctl_oid *sysctl_tree; 73 TAILQ_ENTRY(mpssas_target) sysctl_link; 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 }; 82 83 struct mpssas_softc { 84 struct mps_softc *sc; 85 u_int flags; 86 #define MPSSAS_IN_DISCOVERY (1 << 0) 87 #define MPSSAS_IN_STARTUP (1 << 1) 88 #define MPSSAS_DISCOVERY_TIMEOUT_PENDING (1 << 2) 89 #define MPSSAS_QUEUE_FROZEN (1 << 3) 90 #define MPSSAS_SHUTDOWN (1 << 4) 91 u_int maxtargets; 92 struct mpssas_target *targets; 93 struct cam_devq *devq; 94 struct cam_sim *sim; 95 struct cam_path *path; 96 struct intr_config_hook sas_ich; 97 struct callout discovery_callout; 98 u_int discovery_timeouts; 99 struct mps_event_handle *mpssas_eh; 100 101 u_int startup_refcount; 102 u_int tm_count; 103 struct proc *sysctl_proc; 104 105 struct taskqueue *ev_tq; 106 struct task ev_task; 107 TAILQ_HEAD(, mps_fw_event_work) ev_queue; 108 }; 109 110 MALLOC_DECLARE(M_MPSSAS); 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 MPS_SET_LUN(lun, ccblun) \ 117 mpssas_set_lun(lun, ccblun) 118 119 static __inline int 120 mpssas_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 mpssas_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 mpssas_get_ccbstatus(union ccb *ccb) 158 { 159 return (ccb->ccb_h.status & CAM_STATUS_MASK); 160 } 161 162 #define MPS_SET_SINGLE_LUN(req, lun) \ 163 do { \ 164 bzero((req)->LUN, 8); \ 165 (req)->LUN[1] = lun; \ 166 } while(0) 167 168 void mpssas_rescan_target(struct mps_softc *sc, struct mpssas_target *targ); 169 void mpssas_discovery_end(struct mpssas_softc *sassc); 170 void mpssas_startup_increment(struct mpssas_softc *sassc); 171 void mpssas_startup_decrement(struct mpssas_softc *sassc); 172 173 void mpssas_firmware_event_work(void *arg, int pending); 174 int mpssas_check_id(struct mpssas_softc *sassc, int id); 175