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https://github.com/freebsd/freebsd-src
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171 lines
5.1 KiB
C
171 lines
5.1 KiB
C
/*-
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* SPDX-License-Identifier: BSD-2-Clause
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*
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* Copyright (c) 2011-2015 LSI Corp.
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* Copyright (c) 2013-2015 Avago Technologies
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* Avago Technologies (LSI) MPT-Fusion Host Adapter FreeBSD
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*/
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struct mps_fw_event_work;
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struct mpssas_lun {
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SLIST_ENTRY(mpssas_lun) lun_link;
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lun_id_t lun_id;
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uint8_t eedp_formatted;
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uint32_t eedp_block_size;
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};
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struct mpssas_target {
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uint16_t handle;
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uint8_t linkrate;
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uint64_t devname;
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uint32_t devinfo;
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uint16_t encl_handle;
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uint16_t encl_slot;
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uint8_t flags;
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#define MPSSAS_TARGET_INABORT (1 << 0)
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#define MPSSAS_TARGET_INRESET (1 << 1)
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#define MPSSAS_TARGET_INDIAGRESET (1 << 2)
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#define MPSSAS_TARGET_INREMOVAL (1 << 3)
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#define MPS_TARGET_FLAGS_RAID_COMPONENT (1 << 4)
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#define MPS_TARGET_FLAGS_VOLUME (1 << 5)
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#define MPS_TARGET_IS_SATA_SSD (1 << 6)
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#define MPSSAS_TARGET_INRECOVERY (MPSSAS_TARGET_INABORT | \
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MPSSAS_TARGET_INRESET | MPSSAS_TARGET_INCHIPRESET)
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uint16_t tid;
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SLIST_HEAD(, mpssas_lun) luns;
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TAILQ_HEAD(, mps_command) commands;
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struct mps_command *tm;
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struct mps_command *pending_remove_tm;
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TAILQ_HEAD(, mps_command) timedout_commands;
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uint16_t exp_dev_handle;
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uint16_t phy_num;
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uint64_t sasaddr;
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uint16_t parent_handle;
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uint64_t parent_sasaddr;
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uint32_t parent_devinfo;
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uint64_t issued;
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uint64_t completed;
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unsigned int outstanding;
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unsigned int timeouts;
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unsigned int aborts;
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unsigned int logical_unit_resets;
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unsigned int target_resets;
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uint8_t stop_at_shutdown;
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uint8_t supports_SSU;
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};
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struct mpssas_softc {
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struct mps_softc *sc;
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u_int flags;
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#define MPSSAS_IN_DISCOVERY (1 << 0)
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#define MPSSAS_IN_STARTUP (1 << 1)
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#define MPSSAS_QUEUE_FROZEN (1 << 3)
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u_int maxtargets;
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struct mpssas_target *targets;
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struct cam_devq *devq;
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struct cam_sim *sim;
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struct cam_path *path;
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struct intr_config_hook sas_ich;
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struct mps_event_handle *mpssas_eh;
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u_int startup_refcount;
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struct proc *sysctl_proc;
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struct taskqueue *ev_tq;
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struct task ev_task;
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TAILQ_HEAD(, mps_fw_event_work) ev_queue;
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};
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MALLOC_DECLARE(M_MPSSAS);
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/*
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* Abstracted so that the driver can be backwards and forwards compatible
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* with future versions of CAM that will provide this functionality.
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*/
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#define MPS_SET_LUN(lun, ccblun) \
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mpssas_set_lun(lun, ccblun)
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static __inline int
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mpssas_set_lun(uint8_t *lun, u_int ccblun)
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{
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uint64_t *newlun;
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newlun = (uint64_t *)lun;
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*newlun = 0;
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if (ccblun <= 0xff) {
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/* Peripheral device address method, LUN is 0 to 255 */
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lun[1] = ccblun;
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} else if (ccblun <= 0x3fff) {
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/* Flat space address method, LUN is <= 16383 */
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scsi_ulto2b(ccblun, lun);
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lun[0] |= 0x40;
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} else if (ccblun <= 0xffffff) {
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/* Extended flat space address method, LUN is <= 16777215 */
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scsi_ulto3b(ccblun, &lun[1]);
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/* Extended Flat space address method */
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lun[0] = 0xc0;
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/* Length = 1, i.e. LUN is 3 bytes long */
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lun[0] |= 0x10;
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/* Extended Address Method */
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lun[0] |= 0x02;
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} else {
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return (EINVAL);
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}
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return (0);
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}
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static __inline void
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mpssas_set_ccbstatus(union ccb *ccb, int status)
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{
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ccb->ccb_h.status &= ~CAM_STATUS_MASK;
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ccb->ccb_h.status |= status;
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}
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static __inline int
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mpssas_get_ccbstatus(union ccb *ccb)
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{
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return (ccb->ccb_h.status & CAM_STATUS_MASK);
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}
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#define MPS_SET_SINGLE_LUN(req, lun) \
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do { \
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bzero((req)->LUN, 8); \
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(req)->LUN[1] = lun; \
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} while(0)
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void mpssas_rescan_target(struct mps_softc *sc, struct mpssas_target *targ);
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void mpssas_discovery_end(struct mpssas_softc *sassc);
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void mpssas_prepare_for_tm(struct mps_softc *sc, struct mps_command *tm,
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struct mpssas_target *target, lun_id_t lun_id);
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void mpssas_startup_increment(struct mpssas_softc *sassc);
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void mpssas_startup_decrement(struct mpssas_softc *sassc);
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void mpssas_firmware_event_work(void *arg, int pending);
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int mpssas_check_id(struct mpssas_softc *sassc, int id);
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