The Design and Implementation of the FreeBSD Operating System, Second Edition
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FreeBSD/Linux Kernel Cross Reference
sys/dev/mfi/mfivar.h

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    1 /*-
    2  * SPDX-License-Identifier: BSD-2-Clause-FreeBSD AND BSD-2-Clause
    3  *
    4  * Copyright (c) 2006 IronPort Systems
    5  * All rights reserved.
    6  *
    7  * Redistribution and use in source and binary forms, with or without
    8  * modification, are permitted provided that the following conditions
    9  * are met:
   10  * 1. Redistributions of source code must retain the above copyright
   11  *    notice, this list of conditions and the following disclaimer.
   12  * 2. Redistributions in binary form must reproduce the above copyright
   13  *    notice, this list of conditions and the following disclaimer in the
   14  *    documentation and/or other materials provided with the distribution.
   15  *
   16  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
   17  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
   18  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
   19  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
   20  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
   21  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
   22  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
   23  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
   24  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
   25  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
   26  * SUCH DAMAGE.
   27  */
   28 /*-
   29  * Copyright (c) 2007 LSI Corp.
   30  * Copyright (c) 2007 Rajesh Prabhakaran.
   31  * All rights reserved.
   32  *
   33  * Redistribution and use in source and binary forms, with or without
   34  * modification, are permitted provided that the following conditions
   35  * are met:
   36  * 1. Redistributions of source code must retain the above copyright
   37  *    notice, this list of conditions and the following disclaimer.
   38  * 2. Redistributions in binary form must reproduce the above copyright
   39  *    notice, this list of conditions and the following disclaimer in the
   40  *    documentation and/or other materials provided with the distribution.
   41  *
   42  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
   43  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
   44  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
   45  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
   46  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
   47  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
   48  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
   49  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
   50  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
   51  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
   52  * SUCH DAMAGE.
   53  */
   54 
   55 #ifndef _MFIVAR_H
   56 #define _MFIVAR_H
   57 
   58 #include <sys/cdefs.h>
   59 __FBSDID("$FreeBSD$");
   60 
   61 #include <sys/lock.h>
   62 #include <sys/sx.h>
   63 
   64 #include <sys/types.h>
   65 #include <sys/taskqueue.h>
   66 #include "opt_mfi.h"
   67 
   68 /*
   69  * SCSI structures and definitions are used from here, but no linking
   70  * requirements are made to CAM.
   71  */
   72 #include <cam/scsi/scsi_all.h>
   73 
   74 struct mfi_hwcomms {
   75         uint32_t                hw_pi;
   76         uint32_t                hw_ci;
   77         uint32_t                hw_reply_q[1];
   78 };
   79 #define MEGASAS_MAX_NAME        32
   80 #define MEGASAS_VERSION         "4.23"
   81 
   82 struct mfi_softc;
   83 struct disk;
   84 struct ccb_hdr;
   85 
   86 struct mfi_command {
   87         TAILQ_ENTRY(mfi_command) cm_link;
   88         time_t                  cm_timestamp;
   89         struct mfi_softc        *cm_sc;
   90         union mfi_frame         *cm_frame;
   91         bus_addr_t              cm_frame_busaddr;
   92         struct mfi_sense        *cm_sense;
   93         bus_addr_t              cm_sense_busaddr;
   94         bus_dmamap_t            cm_dmamap;
   95         union mfi_sgl           *cm_sg;
   96         void                    *cm_data;
   97         int                     cm_len;
   98         int                     cm_stp_len;
   99         int                     cm_total_frame_size;
  100         int                     cm_extra_frames;
  101         int                     cm_flags;
  102 #define MFI_CMD_MAPPED          (1<<0)
  103 #define MFI_CMD_DATAIN          (1<<1)
  104 #define MFI_CMD_DATAOUT         (1<<2)
  105 #define MFI_CMD_COMPLETED       (1<<3)
  106 #define MFI_CMD_POLLED          (1<<4)
  107 #define MFI_CMD_SCSI            (1<<5)
  108 #define MFI_CMD_CCB             (1<<6)
  109 #define MFI_CMD_BIO             (1<<7)
  110 #define MFI_CMD_TBOLT           (1<<8)
  111 #define MFI_ON_MFIQ_FREE        (1<<9)
  112 #define MFI_ON_MFIQ_READY       (1<<10)
  113 #define MFI_ON_MFIQ_BUSY        (1<<11)
  114 #define MFI_ON_MFIQ_MASK        (MFI_ON_MFIQ_FREE | MFI_ON_MFIQ_READY| \
  115     MFI_ON_MFIQ_BUSY)
  116 #define MFI_CMD_FLAGS_FMT       "\2" \
  117     "\1MAPPED" \
  118     "\2DATAIN" \
  119     "\3DATAOUT" \
  120     "\4COMPLETED" \
  121     "\5POLLED" \
  122     "\6SCSI" \
  123     "\7BIO" \
  124     "\10TBOLT" \
  125     "\11Q_FREE" \
  126     "\12Q_READY" \
  127     "\13Q_BUSY"
  128         uint8_t                 retry_for_fw_reset;
  129         void                    (* cm_complete)(struct mfi_command *cm);
  130         void                    *cm_private;
  131         int                     cm_index;
  132         int                     cm_error;
  133 };
  134 
  135 struct mfi_disk {
  136         TAILQ_ENTRY(mfi_disk)   ld_link;
  137         device_t        ld_dev;
  138         int             ld_id;
  139         int             ld_unit;
  140         struct mfi_softc *ld_controller;
  141         struct mfi_ld_info      *ld_info;
  142         struct disk     *ld_disk;
  143         int             ld_flags;
  144 #define MFI_DISK_FLAGS_OPEN     0x01
  145 #define MFI_DISK_FLAGS_DISABLED 0x02
  146 };
  147 
  148 struct mfi_disk_pending {
  149         TAILQ_ENTRY(mfi_disk_pending)   ld_link;
  150         int             ld_id;
  151 };
  152 
  153 struct mfi_system_pd {
  154         TAILQ_ENTRY(mfi_system_pd) pd_link;
  155         device_t        pd_dev;
  156         int             pd_id;
  157         int             pd_unit;
  158         struct mfi_softc *pd_controller;
  159         struct mfi_pd_info *pd_info;
  160         struct disk     *pd_disk;
  161         int             pd_flags;
  162 };
  163 
  164 struct mfi_system_pending {
  165         TAILQ_ENTRY(mfi_system_pending) pd_link;
  166         int             pd_id;
  167 };
  168 
  169 struct mfi_evt_queue_elm {
  170         TAILQ_ENTRY(mfi_evt_queue_elm)  link;
  171         struct mfi_evt_detail           detail;
  172 };
  173 
  174 struct mfi_aen {
  175         TAILQ_ENTRY(mfi_aen) aen_link;
  176         struct proc                     *p;
  177 };
  178 
  179 struct mfi_skinny_dma_info {
  180         bus_dma_tag_t                   dmat[514];
  181         bus_dmamap_t                    dmamap[514];
  182         uint32_t                        mem[514];
  183         int                             noofmaps;
  184 };
  185 
  186 struct megasas_sge
  187 {
  188         bus_addr_t                      phys_addr;
  189         uint32_t                        length;
  190 };
  191 
  192 struct mfi_cmd_tbolt;
  193 
  194 struct mfi_softc {
  195         device_t                        mfi_dev;
  196         int                             mfi_flags;
  197 #define MFI_FLAGS_SG64          (1<<0)
  198 #define MFI_FLAGS_QFRZN         (1<<1)
  199 #define MFI_FLAGS_OPEN          (1<<2)
  200 #define MFI_FLAGS_STOP          (1<<3)
  201 #define MFI_FLAGS_1064R         (1<<4)
  202 #define MFI_FLAGS_1078          (1<<5)
  203 #define MFI_FLAGS_GEN2          (1<<6)
  204 #define MFI_FLAGS_SKINNY        (1<<7)
  205 #define MFI_FLAGS_TBOLT         (1<<8)
  206 #define MFI_FLAGS_MRSAS         (1<<9)
  207 #define MFI_FLAGS_INVADER       (1<<10)
  208 #define MFI_FLAGS_FURY          (1<<11)
  209         // Start: LSIP200113393
  210         bus_dma_tag_t                   verbuf_h_dmat;
  211         bus_dmamap_t                    verbuf_h_dmamap;
  212         bus_addr_t                      verbuf_h_busaddr;
  213         uint32_t                        *verbuf;
  214         void                            *kbuff_arr[MAX_IOCTL_SGE];
  215         bus_dma_tag_t                   mfi_kbuff_arr_dmat[2];
  216         bus_dmamap_t                    mfi_kbuff_arr_dmamap[2];
  217         bus_addr_t                      mfi_kbuff_arr_busaddr[2];
  218 
  219         struct mfi_hwcomms              *mfi_comms;
  220         TAILQ_HEAD(,mfi_command)        mfi_free;
  221         TAILQ_HEAD(,mfi_command)        mfi_ready;
  222         TAILQ_HEAD(BUSYQ,mfi_command)   mfi_busy;
  223         struct bio_queue_head           mfi_bioq;
  224         struct mfi_qstat                mfi_qstat[MFIQ_COUNT];
  225 
  226         struct resource                 *mfi_regs_resource;
  227         bus_space_handle_t              mfi_bhandle;
  228         bus_space_tag_t                 mfi_btag;
  229         int                             mfi_regs_rid;
  230 
  231         bus_dma_tag_t                   mfi_parent_dmat;
  232         bus_dma_tag_t                   mfi_buffer_dmat;
  233 
  234         bus_dma_tag_t                   mfi_comms_dmat;
  235         bus_dmamap_t                    mfi_comms_dmamap;
  236         bus_addr_t                      mfi_comms_busaddr;
  237 
  238         bus_dma_tag_t                   mfi_frames_dmat;
  239         bus_dmamap_t                    mfi_frames_dmamap;
  240         bus_addr_t                      mfi_frames_busaddr;
  241         union mfi_frame                 *mfi_frames;
  242 
  243         bus_dma_tag_t                   mfi_tb_init_dmat;
  244         bus_dmamap_t                    mfi_tb_init_dmamap;
  245         bus_addr_t                      mfi_tb_init_busaddr;
  246         bus_addr_t                      mfi_tb_ioc_init_busaddr;
  247         union mfi_frame                 *mfi_tb_init;
  248 
  249         TAILQ_HEAD(,mfi_evt_queue_elm)  mfi_evt_queue;
  250         struct task                     mfi_evt_task;
  251         struct task                     mfi_map_sync_task;
  252         TAILQ_HEAD(,mfi_aen)            mfi_aen_pids;
  253         struct mfi_command              *mfi_aen_cm;
  254         struct mfi_command              *mfi_skinny_cm;
  255         struct mfi_command              *mfi_map_sync_cm;
  256         int                             cm_aen_abort;
  257         int                             cm_map_abort;
  258         uint32_t                        mfi_aen_triggered;
  259         uint32_t                        mfi_poll_waiting;
  260         uint32_t                        mfi_boot_seq_num;
  261         struct selinfo                  mfi_select;
  262         int                             mfi_delete_busy_volumes;
  263         int                             mfi_keep_deleted_volumes;
  264         int                             mfi_detaching;
  265 
  266         bus_dma_tag_t                   mfi_sense_dmat;
  267         bus_dmamap_t                    mfi_sense_dmamap;
  268         bus_addr_t                      mfi_sense_busaddr;
  269         struct mfi_sense                *mfi_sense;
  270 
  271         struct resource                 *mfi_irq;
  272         void                            *mfi_intr;
  273         int                             mfi_irq_rid;
  274 
  275         struct intr_config_hook         mfi_ich;
  276         eventhandler_tag                eh;
  277         /* OCR flags */
  278         uint8_t adpreset;
  279         uint8_t issuepend_done;
  280         uint8_t disableOnlineCtrlReset;
  281         uint32_t mfiStatus;
  282         uint32_t last_seq_num;
  283         uint32_t volatile hw_crit_error;
  284 
  285         /*
  286          * Allocation for the command array.  Used as an indexable array to
  287          * recover completed commands.
  288          */
  289         struct mfi_command              *mfi_commands;
  290         /*
  291          * How many commands the firmware can handle.  Also how big the reply
  292          * queue is, minus 1.
  293          */
  294         int                             mfi_max_fw_cmds;
  295         /*
  296          * How many S/G elements we'll ever actually use
  297          */
  298         int                             mfi_max_sge;
  299         /*
  300          * How many bytes a compound frame is, including all of the extra frames
  301          * that are used for S/G elements.
  302          */
  303         int                             mfi_cmd_size;
  304         /*
  305          * How large an S/G element is.  Used to calculate the number of single
  306          * frames in a command.
  307          */
  308         int                             mfi_sge_size;
  309         /*
  310          * Max number of sectors that the firmware allows
  311          */
  312         uint32_t                        mfi_max_io;
  313 
  314         TAILQ_HEAD(,mfi_disk)           mfi_ld_tqh;
  315         TAILQ_HEAD(,mfi_system_pd)      mfi_syspd_tqh;
  316         TAILQ_HEAD(,mfi_disk_pending)   mfi_ld_pend_tqh;
  317         TAILQ_HEAD(,mfi_system_pending) mfi_syspd_pend_tqh;
  318         eventhandler_tag                mfi_eh;
  319         struct cdev                     *mfi_cdev;
  320 
  321         TAILQ_HEAD(, ccb_hdr)           mfi_cam_ccbq;
  322         struct mfi_command *            (* mfi_cam_start)(void *);
  323         void                            (*mfi_cam_rescan_cb)(struct mfi_softc *,
  324                                             uint32_t);
  325         struct callout                  mfi_watchdog_callout;
  326         struct mtx                      mfi_io_lock;
  327         struct sx                       mfi_config_lock;
  328 
  329         /* Controller type specific interfaces */
  330         void    (*mfi_enable_intr)(struct mfi_softc *sc);
  331         void    (*mfi_disable_intr)(struct mfi_softc *sc);
  332         int32_t (*mfi_read_fw_status)(struct mfi_softc *sc);
  333         int     (*mfi_check_clear_intr)(struct mfi_softc *sc);
  334         void    (*mfi_issue_cmd)(struct mfi_softc *sc, bus_addr_t bus_add,
  335                     uint32_t frame_cnt);
  336         int     (*mfi_adp_reset)(struct mfi_softc *sc);
  337         int     (*mfi_adp_check_reset)(struct mfi_softc *sc);
  338         void                            (*mfi_intr_ptr)(void *sc);
  339 
  340         /* ThunderBolt */
  341         uint32_t                        mfi_tbolt;
  342         uint32_t                        MFA_enabled;
  343         /* Single Reply structure size */
  344         uint16_t                        reply_size;
  345         /* Singler message size. */
  346         uint16_t                        raid_io_msg_size;
  347         TAILQ_HEAD(TB, mfi_cmd_tbolt)   mfi_cmd_tbolt_tqh;
  348         /* ThunderBolt base contiguous memory mapping. */
  349         bus_dma_tag_t                   mfi_tb_dmat;
  350         bus_dmamap_t                    mfi_tb_dmamap;
  351         bus_addr_t                      mfi_tb_busaddr;
  352         /* ThunderBolt Contiguous DMA memory Mapping */
  353         uint8_t *                       request_message_pool;
  354         uint8_t *                       request_message_pool_align;
  355         uint8_t *                       request_desc_pool;
  356         bus_addr_t                      request_msg_busaddr;
  357         bus_addr_t                      reply_frame_busaddr;
  358         bus_addr_t                      sg_frame_busaddr;
  359         /* ThunderBolt IOC Init Descriptor */
  360         bus_dma_tag_t                   mfi_tb_ioc_init_dmat;
  361         bus_dmamap_t                    mfi_tb_ioc_init_dmamap;
  362         uint8_t *                       mfi_tb_ioc_init_desc;
  363         struct mfi_cmd_tbolt            **mfi_cmd_pool_tbolt;
  364         /* Virtual address of reply Frame Pool */
  365         struct mfi_mpi2_reply_header*   reply_frame_pool;
  366         struct mfi_mpi2_reply_header*   reply_frame_pool_align;
  367 
  368         /* Last reply frame address */
  369         uint8_t *                       reply_pool_limit;
  370         uint16_t                        last_reply_idx;
  371         uint8_t                         max_SGEs_in_chain_message;
  372         uint8_t                         max_SGEs_in_main_message;
  373         uint8_t                         chain_offset_value_for_main_message;
  374         uint8_t                         chain_offset_value_for_mpt_ptmsg;
  375 };
  376 
  377 union desc_value {
  378         uint64_t        word;
  379         struct {
  380                 uint32_t        low;
  381                 uint32_t        high;
  382         }u;
  383 };
  384 
  385 // TODO find the right definition
  386 #define XXX_MFI_CMD_OP_INIT2                    0x9
  387 /*
  388  * Request descriptor types
  389  */
  390 #define MFI_REQ_DESCRIPT_FLAGS_LD_IO           0x7
  391 #define MFI_REQ_DESCRIPT_FLAGS_MFA             0x1
  392 #define MFI_REQ_DESCRIPT_FLAGS_TYPE_SHIFT       0x1
  393 #define MFI_FUSION_FP_DEFAULT_TIMEOUT           0x14
  394 #define MFI_LOAD_BALANCE_FLAG                   0x1
  395 #define MFI_DCMD_MBOX_PEND_FLAG                 0x1
  396 
  397 //#define MR_PROT_INFO_TYPE_CONTROLLER  0x08
  398 #define MEGASAS_SCSI_VARIABLE_LENGTH_CMD        0x7f
  399 #define MEGASAS_SCSI_SERVICE_ACTION_READ32      0x9
  400 #define MEGASAS_SCSI_SERVICE_ACTION_WRITE32     0xB
  401 #define MEGASAS_SCSI_ADDL_CDB_LEN               0x18
  402 #define MEGASAS_RD_WR_PROTECT_CHECK_ALL         0x20
  403 #define MEGASAS_RD_WR_PROTECT_CHECK_NONE        0x60
  404 #define MEGASAS_EEDPBLOCKSIZE                   512
  405 struct mfi_cmd_tbolt {
  406         union mfi_mpi2_request_descriptor *request_desc;
  407         struct mfi_mpi2_request_raid_scsi_io *io_request;
  408         bus_addr_t              io_request_phys_addr;
  409         bus_addr_t              sg_frame_phys_addr;
  410         bus_addr_t              sense_phys_addr;
  411         MPI2_SGE_IO_UNION       *sg_frame;
  412         uint8_t                 *sense;
  413         TAILQ_ENTRY(mfi_cmd_tbolt) next;
  414         /*
  415          * Context for a MFI frame.
  416          * Used to get the mfi cmd from list when a MFI cmd is completed
  417          */
  418         uint32_t                sync_cmd_idx;
  419         uint16_t                index;
  420         uint8_t                 status;
  421 };
  422 
  423 extern int mfi_attach(struct mfi_softc *);
  424 extern void mfi_free(struct mfi_softc *);
  425 extern int mfi_shutdown(struct mfi_softc *);
  426 extern void mfi_startio(struct mfi_softc *);
  427 extern void mfi_disk_complete(struct bio *);
  428 extern int mfi_disk_disable(struct mfi_disk *);
  429 extern void mfi_disk_enable(struct mfi_disk *);
  430 extern int mfi_dump_blocks(struct mfi_softc *, int id, uint64_t, void *, int);
  431 extern int mfi_syspd_disable(struct mfi_system_pd *);
  432 extern void mfi_syspd_enable(struct mfi_system_pd *);
  433 extern int mfi_dump_syspd_blocks(struct mfi_softc *, int id, uint64_t, void *,
  434     int);
  435 extern int mfi_transition_firmware(struct mfi_softc *sc);
  436 extern int mfi_aen_setup(struct mfi_softc *sc, uint32_t seq_start);
  437 extern void mfi_complete(struct mfi_softc *sc, struct mfi_command *cm);
  438 extern int mfi_mapcmd(struct mfi_softc *sc,struct mfi_command *cm);
  439 extern int mfi_wait_command(struct mfi_softc *sc, struct mfi_command *cm);
  440 extern void mfi_tbolt_enable_intr_ppc(struct mfi_softc *);
  441 extern void mfi_tbolt_disable_intr_ppc(struct mfi_softc *);
  442 extern int32_t mfi_tbolt_read_fw_status_ppc(struct mfi_softc *);
  443 extern int32_t mfi_tbolt_check_clear_intr_ppc(struct mfi_softc *);
  444 extern void mfi_tbolt_issue_cmd_ppc(struct mfi_softc *, bus_addr_t, uint32_t);
  445 extern void mfi_tbolt_init_globals(struct mfi_softc*);
  446 extern uint32_t mfi_tbolt_get_memory_requirement(struct mfi_softc *);
  447 extern int mfi_tbolt_init_desc_pool(struct mfi_softc *, uint8_t *, uint32_t);
  448 extern int mfi_tbolt_init_MFI_queue(struct mfi_softc *);
  449 extern void mfi_intr_tbolt(void *arg);
  450 extern int mfi_tbolt_alloc_cmd(struct mfi_softc *sc);
  451 extern int mfi_tbolt_send_frame(struct mfi_softc *sc, struct mfi_command *cm);
  452 extern int mfi_tbolt_adp_reset(struct mfi_softc *sc);
  453 extern int mfi_tbolt_reset(struct mfi_softc *sc);
  454 extern void mfi_tbolt_sync_map_info(struct mfi_softc *sc);
  455 extern void mfi_handle_map_sync(void *context, int pending);
  456 extern int mfi_dcmd_command(struct mfi_softc *, struct mfi_command **,
  457      uint32_t, void **, size_t);
  458 extern int mfi_build_cdb(int, uint8_t, u_int64_t, u_int32_t, uint8_t *);
  459 
  460 #define MFIQ_ADD(sc, qname)                                     \
  461         do {                                                    \
  462                 struct mfi_qstat *qs;                           \
  463                                                                 \
  464                 qs = &(sc)->mfi_qstat[qname];                   \
  465                 qs->q_length++;                                 \
  466                 if (qs->q_length > qs->q_max)                   \
  467                         qs->q_max = qs->q_length;               \
  468         } while (0)
  469 
  470 #define MFIQ_REMOVE(sc, qname)  (sc)->mfi_qstat[qname].q_length--
  471 
  472 #define MFIQ_INIT(sc, qname)                                    \
  473         do {                                                    \
  474                 sc->mfi_qstat[qname].q_length = 0;              \
  475                 sc->mfi_qstat[qname].q_max = 0;                 \
  476         } while (0)
  477 
  478 #define MFIQ_COMMAND_QUEUE(name, index)                                 \
  479         static __inline void                                            \
  480         mfi_initq_ ## name (struct mfi_softc *sc)                       \
  481         {                                                               \
  482                 TAILQ_INIT(&sc->mfi_ ## name);                          \
  483                 MFIQ_INIT(sc, index);                                   \
  484         }                                                               \
  485         static __inline void                                            \
  486         mfi_enqueue_ ## name (struct mfi_command *cm)                   \
  487         {                                                               \
  488                 if ((cm->cm_flags & MFI_ON_MFIQ_MASK) != 0) {           \
  489                         panic("command %p is on another queue, "        \
  490                             "flags = %#x\n", cm, cm->cm_flags);         \
  491                 }                                                       \
  492                 TAILQ_INSERT_TAIL(&cm->cm_sc->mfi_ ## name, cm, cm_link); \
  493                 cm->cm_flags |= MFI_ON_ ## index;                       \
  494                 MFIQ_ADD(cm->cm_sc, index);                             \
  495         }                                                               \
  496         static __inline void                                            \
  497         mfi_requeue_ ## name (struct mfi_command *cm)                   \
  498         {                                                               \
  499                 if ((cm->cm_flags & MFI_ON_MFIQ_MASK) != 0) {           \
  500                         panic("command %p is on another queue, "        \
  501                             "flags = %#x\n", cm, cm->cm_flags);         \
  502                 }                                                       \
  503                 TAILQ_INSERT_HEAD(&cm->cm_sc->mfi_ ## name, cm, cm_link); \
  504                 cm->cm_flags |= MFI_ON_ ## index;                       \
  505                 MFIQ_ADD(cm->cm_sc, index);                             \
  506         }                                                               \
  507         static __inline struct mfi_command *                            \
  508         mfi_dequeue_ ## name (struct mfi_softc *sc)                     \
  509         {                                                               \
  510                 struct mfi_command *cm;                                 \
  511                                                                         \
  512                 if ((cm = TAILQ_FIRST(&sc->mfi_ ## name)) != NULL) {    \
  513                         if ((cm->cm_flags & MFI_ON_ ## index) == 0) {   \
  514                                 panic("command %p not in queue, "       \
  515                                     "flags = %#x, bit = %#x\n", cm,     \
  516                                     cm->cm_flags, MFI_ON_ ## index);    \
  517                         }                                               \
  518                         TAILQ_REMOVE(&sc->mfi_ ## name, cm, cm_link);   \
  519                         cm->cm_flags &= ~MFI_ON_ ## index;              \
  520                         MFIQ_REMOVE(sc, index);                         \
  521                 }                                                       \
  522                 return (cm);                                            \
  523         }                                                               \
  524         static __inline void                                            \
  525         mfi_remove_ ## name (struct mfi_command *cm)                    \
  526         {                                                               \
  527                 if ((cm->cm_flags & MFI_ON_ ## index) == 0) {           \
  528                         panic("command %p not in queue, flags = %#x, " \
  529                             "bit = %#x\n", cm, cm->cm_flags,            \
  530                             MFI_ON_ ## index);                          \
  531                 }                                                       \
  532                 TAILQ_REMOVE(&cm->cm_sc->mfi_ ## name, cm, cm_link);    \
  533                 cm->cm_flags &= ~MFI_ON_ ## index;                      \
  534                 MFIQ_REMOVE(cm->cm_sc, index);                          \
  535         }                                                               \
  536 struct hack
  537 
  538 MFIQ_COMMAND_QUEUE(free, MFIQ_FREE);
  539 MFIQ_COMMAND_QUEUE(ready, MFIQ_READY);
  540 MFIQ_COMMAND_QUEUE(busy, MFIQ_BUSY);
  541 
  542 static __inline void
  543 mfi_initq_bio(struct mfi_softc *sc)
  544 {
  545         bioq_init(&sc->mfi_bioq);
  546         MFIQ_INIT(sc, MFIQ_BIO);
  547 }
  548 
  549 static __inline void
  550 mfi_enqueue_bio(struct mfi_softc *sc, struct bio *bp)
  551 {
  552         bioq_insert_tail(&sc->mfi_bioq, bp);
  553         MFIQ_ADD(sc, MFIQ_BIO);
  554 }
  555 
  556 static __inline struct bio *
  557 mfi_dequeue_bio(struct mfi_softc *sc)
  558 {
  559         struct bio *bp;
  560 
  561         if ((bp = bioq_first(&sc->mfi_bioq)) != NULL) {
  562                 bioq_remove(&sc->mfi_bioq, bp);
  563                 MFIQ_REMOVE(sc, MFIQ_BIO);
  564         }
  565         return (bp);
  566 }
  567 
  568 /*
  569  * This is from the original scsi_extract_sense() in CAM.  It's copied
  570  * here because CAM now uses a non-inline version that follows more complex
  571  * additions to the SPC spec, and we don't want to force a dependency on
  572  * the CAM module for such a trivial action.
  573  */
  574 static __inline void
  575 mfi_extract_sense(struct scsi_sense_data_fixed *sense,
  576     int *error_code, int *sense_key, int *asc, int *ascq)
  577 {
  578 
  579         *error_code = sense->error_code & SSD_ERRCODE;
  580         *sense_key = sense->flags & SSD_KEY;
  581         *asc = (sense->extra_len >= 5) ? sense->add_sense_code : 0;
  582         *ascq = (sense->extra_len >= 6) ? sense->add_sense_code_qual : 0;
  583 }
  584 
  585 static __inline void
  586 mfi_print_sense(struct mfi_softc *sc, void *sense)
  587 {
  588         int error, key, asc, ascq;
  589 
  590         mfi_extract_sense((struct scsi_sense_data_fixed *)sense,
  591             &error, &key, &asc, &ascq);
  592         device_printf(sc->mfi_dev, "sense error %d, sense_key %d, "
  593             "asc %d, ascq %d\n", error, key, asc, ascq);
  594 }
  595 
  596 
  597 #define MFI_WRITE4(sc, reg, val)        bus_space_write_4((sc)->mfi_btag, \
  598         sc->mfi_bhandle, (reg), (val))
  599 #define MFI_READ4(sc, reg)              bus_space_read_4((sc)->mfi_btag, \
  600         (sc)->mfi_bhandle, (reg))
  601 #define MFI_WRITE2(sc, reg, val)        bus_space_write_2((sc)->mfi_btag, \
  602         sc->mfi_bhandle, (reg), (val))
  603 #define MFI_READ2(sc, reg)              bus_space_read_2((sc)->mfi_btag, \
  604         (sc)->mfi_bhandle, (reg))
  605 #define MFI_WRITE1(sc, reg, val)        bus_space_write_1((sc)->mfi_btag, \
  606         sc->mfi_bhandle, (reg), (val))
  607 #define MFI_READ1(sc, reg)              bus_space_read_1((sc)->mfi_btag, \
  608         (sc)->mfi_bhandle, (reg))
  609 
  610 MALLOC_DECLARE(M_MFIBUF);
  611 SYSCTL_DECL(_hw_mfi);
  612 
  613 #define MFI_RESET_WAIT_TIME 180
  614 #define MFI_CMD_TIMEOUT 30
  615 #define MFI_SYS_PD_IO   0
  616 #define MFI_LD_IO       1
  617 #define MFI_SKINNY_MEMORY 0x02000000
  618 #define MFI_MAXPHYS (128 * 1024)
  619 
  620 #ifdef MFI_DEBUG
  621 extern void mfi_print_cmd(struct mfi_command *cm);
  622 extern void mfi_dump_cmds(struct mfi_softc *sc);
  623 extern void mfi_validate_sg(struct mfi_softc *, struct mfi_command *,
  624     const char *, int);
  625 #define MFI_PRINT_CMD(cm)       mfi_print_cmd(cm)
  626 #define MFI_DUMP_CMDS(sc)       mfi_dump_cmds(sc)
  627 #define MFI_VALIDATE_CMD(sc, cm) mfi_validate_sg(sc, cm, __FUNCTION__, __LINE__)
  628 #else
  629 #define MFI_PRINT_CMD(cm)
  630 #define MFI_DUMP_CMDS(sc)
  631 #define MFI_VALIDATE_CMD(sc, cm)
  632 #endif
  633 
  634 extern void mfi_release_command(struct mfi_command *);
  635 extern void mfi_tbolt_return_cmd(struct mfi_softc *,
  636     struct mfi_cmd_tbolt *, struct mfi_command *);
  637 
  638 #endif /* _MFIVAR_H */

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