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 32struct mps_fw_event_work; 33 34struct mpssas_lun { 35 SLIST_ENTRY(mpssas_lun) lun_link; 36 lun_id_t lun_id; 37 uint8_t eedp_formatted; 38 uint32_t eedp_block_size; 39}; 40 41struct 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 MPS_TARGET_IS_SATA_SSD (1 << 6) 56#define MPSSAS_TARGET_INRECOVERY (MPSSAS_TARGET_INABORT | \ 57 MPSSAS_TARGET_INRESET | MPSSAS_TARGET_INCHIPRESET) 58 59 uint16_t tid; 60 SLIST_HEAD(, mpssas_lun) luns; 61 TAILQ_HEAD(, mps_command) commands; 62 struct mps_command *tm; 63 TAILQ_HEAD(, mps_command) timedout_commands; 64 uint16_t exp_dev_handle; 65 uint16_t phy_num; 66 uint64_t sasaddr; 67 uint16_t parent_handle; 68 uint64_t parent_sasaddr; 69 uint32_t parent_devinfo; 70 struct sysctl_ctx_list sysctl_ctx; 71 struct sysctl_oid *sysctl_tree; 72 TAILQ_ENTRY(mpssas_target) sysctl_link; 73 uint64_t issued; 74 uint64_t completed; 75 unsigned int outstanding; 76 unsigned int timeouts; 77 unsigned int aborts; 78 unsigned int logical_unit_resets; 79 unsigned int target_resets; 80 uint8_t stop_at_shutdown; 81 uint8_t supports_SSU; 82}; 83 84struct mpssas_softc { 85 struct mps_softc *sc; 86 u_int flags; 87#define MPSSAS_IN_DISCOVERY (1 << 0) 88#define MPSSAS_IN_STARTUP (1 << 1) 89#define MPSSAS_DISCOVERY_TIMEOUT_PENDING (1 << 2) 90#define MPSSAS_QUEUE_FROZEN (1 << 3) 91#define MPSSAS_SHUTDOWN (1 << 4) 92 u_int maxtargets; 93 struct mpssas_target *targets; 94 struct cam_devq *devq; 95 struct cam_sim *sim; 96 struct cam_path *path; 97 struct intr_config_hook sas_ich; 98 struct callout discovery_callout; 99 struct mps_event_handle *mpssas_eh; 100 101 u_int startup_refcount; 102 struct proc *sysctl_proc; 103 104 struct taskqueue *ev_tq; 105 struct task ev_task; 106 TAILQ_HEAD(, mps_fw_event_work) ev_queue; 107}; 108 109MALLOC_DECLARE(M_MPSSAS); 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 118static __inline int 119mpssas_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 148static __inline void 149mpssas_set_ccbstatus(union ccb *ccb, int status) 150{ 151 ccb->ccb_h.status &= ~CAM_STATUS_MASK; 152 ccb->ccb_h.status |= status; 153} 154 155static __inline int 156mpssas_get_ccbstatus(union ccb *ccb) 157{ 158 return (ccb->ccb_h.status & CAM_STATUS_MASK); 159} 160 161#define MPS_SET_SINGLE_LUN(req, lun) \ 162do { \ 163 bzero((req)->LUN, 8); \ 164 (req)->LUN[1] = lun; \ 165} while(0) 166 167void mpssas_rescan_target(struct mps_softc *sc, struct mpssas_target *targ); 168void mpssas_discovery_end(struct mpssas_softc *sassc); 169void mpssas_prepare_for_tm(struct mps_softc *sc, struct mps_command *tm, 170 struct mpssas_target *target, lun_id_t lun_id); 171void mpssas_startup_increment(struct mpssas_softc *sassc); 172void mpssas_startup_decrement(struct mpssas_softc *sassc); 173 174void mpssas_firmware_event_work(void *arg, int pending); 175int mpssas_check_id(struct mpssas_softc *sassc, int id); 176