mpr_sas.h

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    1 /*-
    2  * Copyright (c) 2011-2015 LSI Corp.
    3  * Copyright (c) 2013-2016 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 
   32 struct mpr_fw_event_work;
   33 
   34 struct mprsas_lun {
   35         SLIST_ENTRY(mprsas_lun) lun_link;
   36         lun_id_t        lun_id;
   37         uint8_t         eedp_formatted;
   38         uint32_t        eedp_block_size;
   39 };
   40 
   41 struct 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 MPR_TARGET_IS_SATA_SSD  (1 << 6)
   59 #define MPRSAS_TARGET_INRECOVERY (MPRSAS_TARGET_INABORT | \
   60     MPRSAS_TARGET_INRESET | MPRSAS_TARGET_INCHIPRESET)
   61 
   62         uint16_t        tid;
   63         SLIST_HEAD(, mprsas_lun) luns;
   64         TAILQ_HEAD(, mpr_command) commands;
   65         struct mpr_command *tm;
   66         TAILQ_HEAD(, mpr_command) timedout_commands;
   67         uint16_t        exp_dev_handle;
   68         uint16_t        phy_num;
   69         uint64_t        sasaddr;
   70         uint16_t        parent_handle;
   71         uint64_t        parent_sasaddr;
   72         uint32_t        parent_devinfo;
   73         struct sysctl_ctx_list sysctl_ctx;
   74         struct sysctl_oid *sysctl_tree;
   75         TAILQ_ENTRY(mprsas_target) sysctl_link;
   76         uint64_t        issued;
   77         uint64_t        completed;
   78         unsigned int    outstanding;
   79         unsigned int    timeouts;
   80         unsigned int    aborts;
   81         unsigned int    logical_unit_resets;
   82         unsigned int    target_resets;
   83         uint8_t         scsi_req_desc_type;
   84         uint8_t         stop_at_shutdown;
   85         uint8_t         supports_SSU;
   86         uint8_t         is_nvme;
   87         uint32_t        MDTS;
   88 };
   89 
   90 struct mprsas_softc {
   91         struct mpr_softc        *sc;
   92         u_int                   flags;
   93 #define MPRSAS_IN_DISCOVERY     (1 << 0)
   94 #define MPRSAS_IN_STARTUP       (1 << 1)
   95 #define MPRSAS_DISCOVERY_TIMEOUT_PENDING        (1 << 2)
   96 #define MPRSAS_QUEUE_FROZEN     (1 << 3)
   97 #define MPRSAS_SHUTDOWN         (1 << 4)
   98         u_int                   maxtargets;
   99         struct mprsas_target    *targets;
  100         struct cam_devq         *devq;
  101         struct cam_sim          *sim;
  102         struct cam_path         *path;
  103         struct intr_config_hook sas_ich;
  104         struct callout          discovery_callout;
  105         struct mpr_event_handle *mprsas_eh;
  106 
  107         u_int                   startup_refcount;
  108         struct proc             *sysctl_proc;
  109 
  110         struct taskqueue        *ev_tq;
  111         struct task             ev_task;
  112         TAILQ_HEAD(, mpr_fw_event_work) ev_queue;
  113 };
  114 
  115 MALLOC_DECLARE(M_MPRSAS);
  116 
  117 /*
  118  * Abstracted so that the driver can be backwards and forwards compatible
  119  * with future versions of CAM that will provide this functionality.
  120  */
  121 #define MPR_SET_LUN(lun, ccblun)        \
  122         mprsas_set_lun(lun, ccblun)
  123 
  124 static __inline int
  125 mprsas_set_lun(uint8_t *lun, u_int ccblun)
  126 {
  127         uint64_t *newlun;
  128 
  129         newlun = (uint64_t *)lun;
  130         *newlun = 0;
  131         if (ccblun <= 0xff) {
  132                 /* Peripheral device address method, LUN is 0 to 255 */
  133                 lun[1] = ccblun;
  134         } else if (ccblun <= 0x3fff) {
  135                 /* Flat space address method, LUN is <= 16383 */
  136                 scsi_ulto2b(ccblun, lun);
  137                 lun[0] |= 0x40;
  138         } else if (ccblun <= 0xffffff) {
  139                 /* Extended flat space address method, LUN is <= 16777215 */
  140                 scsi_ulto3b(ccblun, &lun[1]);
  141                 /* Extended Flat space address method */
  142                 lun[0] = 0xc0;
  143                 /* Length = 1, i.e. LUN is 3 bytes long */
  144                 lun[0] |= 0x10;
  145                 /* Extended Address Method */
  146                 lun[0] |= 0x02;
  147         } else {
  148                 return (EINVAL);
  149         }
  150 
  151         return (0);
  152 }
  153 
  154 static __inline void
  155 mprsas_set_ccbstatus(union ccb *ccb, int status)
  156 {
  157         ccb->ccb_h.status &= ~CAM_STATUS_MASK;
  158         ccb->ccb_h.status |= status;
  159 }
  160 
  161 static __inline int
  162 mprsas_get_ccbstatus(union ccb *ccb)
  163 {
  164         return (ccb->ccb_h.status & CAM_STATUS_MASK);
  165 }
  166 
  167 #define MPR_SET_SINGLE_LUN(req, lun)    \
  168 do {                                    \
  169         bzero((req)->LUN, 8);           \
  170         (req)->LUN[1] = lun;            \
  171 } while(0)
  172 
  173 void mprsas_rescan_target(struct mpr_softc *sc, struct mprsas_target *targ);
  174 void mprsas_discovery_end(struct mprsas_softc *sassc);
  175 void mprsas_prepare_for_tm(struct mpr_softc *sc, struct mpr_command *tm,
  176     struct mprsas_target *target, lun_id_t lun_id);
  177 void mprsas_startup_increment(struct mprsas_softc *sassc);
  178 void mprsas_startup_decrement(struct mprsas_softc *sassc);
  179 
  180 void mprsas_firmware_event_work(void *arg, int pending);
  181 int mprsas_check_id(struct mprsas_softc *sassc, int id);

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FreeBSD/Linux Kernel Cross Reference sys/dev/mpr/mpr_sas.h

FreeBSD/Linux Kernel Cross Reference
sys/dev/mpr/mpr_sas.h