1 /*- 2 * Copyright (c) 2011 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: src/sys/dev/mps/mps_sas.h,v 1.1 2012/01/26 18:17:21 ken Exp $ 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 }; 39 40 struct mpssas_target { 41 uint16_t handle; 42 uint8_t linkrate; 43 uint64_t devname; 44 uint32_t devinfo; 45 uint16_t encl_handle; 46 uint16_t encl_slot; 47 uint8_t flags; 48 #define MPSSAS_TARGET_INABORT (1 << 0) 49 #define MPSSAS_TARGET_INRESET (1 << 1) 50 #define MPSSAS_TARGET_INDIAGRESET (1 << 2) 51 #define MPSSAS_TARGET_INREMOVAL (1 << 3) 52 #define MPS_TARGET_FLAGS_RAID_COMPONENT (1 << 4) 53 #define MPS_TARGET_FLAGS_VOLUME (1 << 5) 54 #define MPSSAS_TARGET_INRECOVERY (MPSSAS_TARGET_INABORT | \ 55 MPSSAS_TARGET_INRESET | MPSSAS_TARGET_INCHIPRESET) 56 #define MPSSAS_TARGET_ADD (1 << 29) 57 #define MPSSAS_TARGET_REMOVE (1 << 30) 58 uint16_t tid; 59 SLIST_HEAD(, mpssas_lun) luns; 60 TAILQ_HEAD(, mps_command) commands; 61 struct mps_command *tm; 62 TAILQ_HEAD(, mps_command) timedout_commands; 63 uint16_t exp_dev_handle; 64 uint16_t phy_num; 65 uint64_t sasaddr; 66 uint16_t parent_handle; 67 uint64_t parent_sasaddr; 68 uint32_t parent_devinfo; 69 struct sysctl_ctx_list sysctl_ctx; 70 struct sysctl_oid *sysctl_tree; 71 TAILQ_ENTRY(mpssas_target) sysctl_link; 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 }; 80 81 struct mpssas_softc { 82 struct mps_softc *sc; 83 u_int flags; 84 #define MPSSAS_IN_DISCOVERY (1 << 0) 85 #define MPSSAS_IN_STARTUP (1 << 1) 86 #define MPSSAS_DISCOVERY_TIMEOUT_PENDING (1 << 2) 87 #define MPSSAS_QUEUE_FROZEN (1 << 3) 88 #define MPSSAS_SHUTDOWN (1 << 4) 89 #define MPSSAS_SCANTHREAD (1 << 5) 90 struct mpssas_target *targets; 91 struct cam_devq *devq; 92 struct cam_sim *sim; 93 struct cam_path *path; 94 struct intr_config_hook sas_ich; 95 struct callout discovery_callout; 96 u_int discovery_timeouts; 97 struct mps_event_handle *mpssas_eh; 98 99 u_int startup_refcount; 100 u_int tm_count; 101 struct proc *sysctl_proc; 102 103 TAILQ_HEAD(, ccb_hdr) ccb_scanq; 104 struct thread *rescan_thread; 105 106 struct taskqueue *ev_tq; 107 struct task ev_task; 108 TAILQ_HEAD(, mps_fw_event_work) ev_queue; 109 }; 110 111 /* 112 * Abstracted so that the driver can be backwards and forwards compatible 113 * with future versions of CAM that will provide this functionality. 114 */ 115 #define MPS_SET_LUN(lun, ccblun) \ 116 mpssas_set_lun(lun, ccblun) 117 118 static __inline int 119 mpssas_set_lun(uint8_t *lun, u_int ccblun) 120 { 121 uint64_t *newlun; 122 123 newlun = (uint64_t *)lun; 124 *newlun = 0; 125 if (ccblun <= 0xff) { 126 /* Peripheral device address method, LUN is 0 to 255 */ 127 lun[1] = ccblun; 128 } else if (ccblun <= 0x3fff) { 129 /* Flat space address method, LUN is <= 16383 */ 130 scsi_ulto2b(ccblun, lun); 131 lun[0] |= 0x40; 132 } else if (ccblun <= 0xffffff) { 133 /* Extended flat space address method, LUN is <= 16777215 */ 134 scsi_ulto3b(ccblun, &lun[1]); 135 /* Extended Flat space address method */ 136 lun[0] = 0xc0; 137 /* Length = 1, i.e. LUN is 3 bytes long */ 138 lun[0] |= 0x10; 139 /* Extended Address Method */ 140 lun[0] |= 0x02; 141 } else { 142 return (EINVAL); 143 } 144 145 return (0); 146 } 147 148 #define MPS_SET_SINGLE_LUN(req, lun) \ 149 do { \ 150 bzero((req)->LUN, 8); \ 151 (req)->LUN[1] = lun; \ 152 } while(0) 153 154 void mpssas_rescan_target(struct mps_softc *sc, struct mpssas_target *targ); 155 void mpssas_discovery_end(struct mpssas_softc *sassc); 156 void mpssas_startup_increment(struct mpssas_softc *sassc); 157 void mpssas_startup_decrement(struct mpssas_softc *sassc); 158 159 struct mps_command * mpssas_alloc_tm(struct mps_softc *sc); 160 void mpssas_free_tm(struct mps_softc *sc, struct mps_command *tm); 161 void mpssas_firmware_event_work(void *arg, int pending); 162