1/*- 2 * Copyright (c) 2011-2014 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 31struct mpr_fw_event_work; 32 33struct 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 uint8_t stop_at_shutdown; 39}; 40 41struct 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 MPRSAS_TARGET_INRECOVERY (MPRSAS_TARGET_INABORT | \ 59 MPRSAS_TARGET_INRESET | MPRSAS_TARGET_INCHIPRESET) 60 61#define MPRSAS_TARGET_ADD (1 << 29) 62#define MPRSAS_TARGET_REMOVE (1 << 30) 63 uint16_t tid; 64 SLIST_HEAD(, mprsas_lun) luns; 65 TAILQ_HEAD(, mpr_command) commands; 66 struct mpr_command *tm; 67 TAILQ_HEAD(, mpr_command) timedout_commands; 68 uint16_t exp_dev_handle; 69 uint16_t phy_num; 70 uint64_t sasaddr; 71 uint16_t parent_handle; 72 uint64_t parent_sasaddr; 73 uint32_t parent_devinfo; 74 struct sysctl_ctx_list sysctl_ctx; 75 struct sysctl_oid *sysctl_tree; 76 TAILQ_ENTRY(mprsas_target) sysctl_link; 77 uint64_t issued; 78 uint64_t completed; 79 unsigned int outstanding; 80 unsigned int timeouts; 81 unsigned int aborts; 82 unsigned int logical_unit_resets; 83 unsigned int target_resets; 84 uint8_t scsi_req_desc_type; 85}; 86 87struct 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_DISCOVERY_TIMEOUT_PENDING (1 << 2) 93#define MPRSAS_QUEUE_FROZEN (1 << 3) 94#define MPRSAS_SHUTDOWN (1 << 4) 95#define MPRSAS_SCANTHREAD (1 << 5) 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 u_int tm_count; 107 struct proc *sysctl_proc; 108 109 struct taskqueue *ev_tq; 110 struct task ev_task; 111 TAILQ_HEAD(, mpr_fw_event_work) ev_queue; 112}; 113 114MALLOC_DECLARE(M_MPRSAS); 115 116/* 117 * Abstracted so that the driver can be backwards and forwards compatible 118 * with future versions of CAM that will provide this functionality. 119 */ 120#define MPR_SET_LUN(lun, ccblun) \ 121 mprsas_set_lun(lun, ccblun) 122 123static __inline int 124mprsas_set_lun(uint8_t *lun, u_int ccblun) 125{ 126 uint64_t *newlun; 127 128 newlun = (uint64_t *)lun; 129 *newlun = 0; 130 if (ccblun <= 0xff) { 131 /* Peripheral device address method, LUN is 0 to 255 */ 132 lun[1] = ccblun; 133 } else if (ccblun <= 0x3fff) { 134 /* Flat space address method, LUN is <= 16383 */ 135 scsi_ulto2b(ccblun, lun); 136 lun[0] |= 0x40; 137 } else if (ccblun <= 0xffffff) { 138 /* Extended flat space address method, LUN is <= 16777215 */ 139 scsi_ulto3b(ccblun, &lun[1]); 140 /* Extended Flat space address method */ 141 lun[0] = 0xc0; 142 /* Length = 1, i.e. LUN is 3 bytes long */ 143 lun[0] |= 0x10; 144 /* Extended Address Method */ 145 lun[0] |= 0x02; 146 } else { 147 return (EINVAL); 148 } 149 150 return (0); 151} 152 153#define MPR_SET_SINGLE_LUN(req, lun) \ 154do { \ 155 bzero((req)->LUN, 8); \ 156 (req)->LUN[1] = lun; \ 157} while(0) 158 159void mprsas_rescan_target(struct mpr_softc *sc, struct mprsas_target *targ); 160void mprsas_discovery_end(struct mprsas_softc *sassc); 161void mprsas_startup_increment(struct mprsas_softc *sassc); 162void mprsas_startup_decrement(struct mprsas_softc *sassc); 163void mprsas_release_simq_reinit(struct mprsas_softc *sassc); 164 165struct mpr_command * mprsas_alloc_tm(struct mpr_softc *sc); 166void mprsas_free_tm(struct mpr_softc *sc, struct mpr_command *tm); 167void mprsas_firmware_event_work(void *arg, int pending); 168int mprsas_check_id(struct mprsas_softc *sassc, int id); 169