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  * Copyright (c) 2006 IronPort Systems
    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 /*-
   27  * Copyright (c) 2007 LSI Corp.
   28  * Copyright (c) 2007 Rajesh Prabhakaran.
   29  * All rights reserved.
   30  *
   31  * Redistribution and use in source and binary forms, with or without
   32  * modification, are permitted provided that the following conditions
   33  * are met:
   34  * 1. Redistributions of source code must retain the above copyright
   35  *    notice, this list of conditions and the following disclaimer.
   36  * 2. Redistributions in binary form must reproduce the above copyright
   37  *    notice, this list of conditions and the following disclaimer in the
   38  *    documentation and/or other materials provided with the distribution.
   39  *
   40  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
   41  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
   42  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
   43  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
   44  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
   45  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
   46  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
   47  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
   48  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
   49  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
   50  * SUCH DAMAGE.
   51  */
   52 
   53 #ifndef _MFIVAR_H
   54 #define _MFIVAR_H
   55 
   56 #include <sys/cdefs.h>
   57 __FBSDID("$FreeBSD: releng/10.0/sys/dev/mfi/mfivar.h 247369 2013-02-27 02:21:10Z smh $");
   58 
   59 #include <sys/lock.h>
   60 #include <sys/sx.h>
   61 
   62 #include <sys/types.h>
   63 #include <sys/taskqueue.h>
   64 #include "opt_mfi.h"
   65 
   66 /*
   67  * SCSI structures and definitions are used from here, but no linking
   68  * requirements are made to CAM.
   69  */
   70 #include <cam/scsi/scsi_all.h>
   71 
   72 struct mfi_hwcomms {
   73         uint32_t                hw_pi;
   74         uint32_t                hw_ci;
   75         uint32_t                hw_reply_q[1];
   76 };
   77 #define MEGASAS_MAX_NAME        32
   78 #define MEGASAS_VERSION         "4.23"
   79 
   80 struct mfi_softc;
   81 struct disk;
   82 struct ccb_hdr;
   83 
   84 struct mfi_command {
   85         TAILQ_ENTRY(mfi_command) cm_link;
   86         time_t                  cm_timestamp;
   87         struct mfi_softc        *cm_sc;
   88         union mfi_frame         *cm_frame;
   89         bus_addr_t              cm_frame_busaddr;
   90         struct mfi_sense        *cm_sense;
   91         bus_addr_t              cm_sense_busaddr;
   92         bus_dmamap_t            cm_dmamap;
   93         union mfi_sgl           *cm_sg;
   94         void                    *cm_data;
   95         int                     cm_len;
   96         int                     cm_stp_len;
   97         int                     cm_total_frame_size;
   98         int                     cm_extra_frames;
   99         int                     cm_flags;
  100 #define MFI_CMD_MAPPED          (1<<0)
  101 #define MFI_CMD_DATAIN          (1<<1)
  102 #define MFI_CMD_DATAOUT         (1<<2)
  103 #define MFI_CMD_COMPLETED       (1<<3)
  104 #define MFI_CMD_POLLED          (1<<4)
  105 #define MFI_CMD_SCSI            (1<<5)
  106 #define MFI_CMD_CCB             (1<<6)
  107 #define MFI_CMD_TBOLT           (1<<7)
  108 #define MFI_ON_MFIQ_FREE        (1<<8)
  109 #define MFI_ON_MFIQ_READY       (1<<9)
  110 #define MFI_ON_MFIQ_BUSY        (1<<10)
  111 #define MFI_ON_MFIQ_MASK        (MFI_ON_MFIQ_FREE | MFI_ON_MFIQ_READY| \
  112     MFI_ON_MFIQ_BUSY)
  113 #define MFI_CMD_FLAGS_FMT       "\2" \
  114     "\1MAPPED" \
  115     "\2DATAIN" \
  116     "\3DATAOUT" \
  117     "\4COMPLETED" \
  118     "\5POLLED" \
  119     "\6SCSI" \
  120     "\7TBOLT" \
  121     "\10Q_FREE" \
  122     "\11Q_READY" \
  123     "\12Q_BUSY"
  124         uint8_t                 retry_for_fw_reset;
  125         void                    (* cm_complete)(struct mfi_command *cm);
  126         void                    *cm_private;
  127         int                     cm_index;
  128         int                     cm_error;
  129 };
  130 
  131 struct mfi_disk {
  132         TAILQ_ENTRY(mfi_disk)   ld_link;
  133         device_t        ld_dev;
  134         int             ld_id;
  135         int             ld_unit;
  136         struct mfi_softc *ld_controller;
  137         struct mfi_ld_info      *ld_info;
  138         struct disk     *ld_disk;
  139         int             ld_flags;
  140 #define MFI_DISK_FLAGS_OPEN     0x01
  141 #define MFI_DISK_FLAGS_DISABLED 0x02
  142 };
  143 
  144 struct mfi_disk_pending {
  145         TAILQ_ENTRY(mfi_disk_pending)   ld_link;
  146         int             ld_id;
  147 };
  148 
  149 struct mfi_system_pd {
  150         TAILQ_ENTRY(mfi_system_pd) pd_link;
  151         device_t        pd_dev;
  152         int             pd_id;
  153         int             pd_unit;
  154         struct mfi_softc *pd_controller;
  155         struct mfi_pd_info *pd_info;
  156         struct disk     *pd_disk;
  157         int             pd_flags;
  158 };
  159 
  160 struct mfi_system_pending {
  161         TAILQ_ENTRY(mfi_system_pending) pd_link;
  162         int             pd_id;
  163 };
  164 
  165 struct mfi_evt_queue_elm {
  166         TAILQ_ENTRY(mfi_evt_queue_elm)  link;
  167         struct mfi_evt_detail           detail;
  168 };
  169 
  170 struct mfi_aen {
  171         TAILQ_ENTRY(mfi_aen) aen_link;
  172         struct proc                     *p;
  173 };
  174 
  175 struct mfi_skinny_dma_info {
  176         bus_dma_tag_t                   dmat[514];
  177         bus_dmamap_t                    dmamap[514];
  178         uint32_t                        mem[514];
  179         int                             noofmaps;
  180 };
  181 
  182 struct megasas_sge
  183 {
  184         bus_addr_t                      phys_addr;
  185         uint32_t                        length;
  186 };
  187 
  188 struct mfi_cmd_tbolt;
  189 
  190 struct mfi_softc {
  191         device_t                        mfi_dev;
  192         int                             mfi_flags;
  193 #define MFI_FLAGS_SG64          (1<<0)
  194 #define MFI_FLAGS_QFRZN         (1<<1)
  195 #define MFI_FLAGS_OPEN          (1<<2)
  196 #define MFI_FLAGS_STOP          (1<<3)
  197 #define MFI_FLAGS_1064R         (1<<4)
  198 #define MFI_FLAGS_1078          (1<<5)
  199 #define MFI_FLAGS_GEN2          (1<<6)
  200 #define MFI_FLAGS_SKINNY        (1<<7)
  201 #define MFI_FLAGS_TBOLT         (1<<8)
  202         // Start: LSIP200113393
  203         bus_dma_tag_t                   verbuf_h_dmat;
  204         bus_dmamap_t                    verbuf_h_dmamap;
  205         bus_addr_t                      verbuf_h_busaddr;
  206         uint32_t                        *verbuf;
  207         void                            *kbuff_arr[MAX_IOCTL_SGE];
  208         bus_dma_tag_t                   mfi_kbuff_arr_dmat[2];
  209         bus_dmamap_t                    mfi_kbuff_arr_dmamap[2];
  210         bus_addr_t                      mfi_kbuff_arr_busaddr[2];
  211 
  212         struct mfi_hwcomms              *mfi_comms;
  213         TAILQ_HEAD(,mfi_command)        mfi_free;
  214         TAILQ_HEAD(,mfi_command)        mfi_ready;
  215         TAILQ_HEAD(BUSYQ,mfi_command)   mfi_busy;
  216         struct bio_queue_head           mfi_bioq;
  217         struct mfi_qstat                mfi_qstat[MFIQ_COUNT];
  218 
  219         struct resource                 *mfi_regs_resource;
  220         bus_space_handle_t              mfi_bhandle;
  221         bus_space_tag_t                 mfi_btag;
  222         int                             mfi_regs_rid;
  223 
  224         bus_dma_tag_t                   mfi_parent_dmat;
  225         bus_dma_tag_t                   mfi_buffer_dmat;
  226 
  227         bus_dma_tag_t                   mfi_comms_dmat;
  228         bus_dmamap_t                    mfi_comms_dmamap;
  229         bus_addr_t                      mfi_comms_busaddr;
  230 
  231         bus_dma_tag_t                   mfi_frames_dmat;
  232         bus_dmamap_t                    mfi_frames_dmamap;
  233         bus_addr_t                      mfi_frames_busaddr;
  234         union mfi_frame                 *mfi_frames;
  235 
  236         bus_dma_tag_t                   mfi_tb_init_dmat;
  237         bus_dmamap_t                    mfi_tb_init_dmamap;
  238         bus_addr_t                      mfi_tb_init_busaddr;
  239         bus_addr_t                      mfi_tb_ioc_init_busaddr;
  240         union mfi_frame                 *mfi_tb_init;
  241 
  242         TAILQ_HEAD(,mfi_evt_queue_elm)  mfi_evt_queue;
  243         struct task                     mfi_evt_task;
  244         struct task                     mfi_map_sync_task;
  245         TAILQ_HEAD(,mfi_aen)            mfi_aen_pids;
  246         struct mfi_command              *mfi_aen_cm;
  247         struct mfi_command              *mfi_skinny_cm;
  248         struct mfi_command              *mfi_map_sync_cm;
  249         int                             cm_aen_abort;
  250         int                             cm_map_abort;
  251         uint32_t                        mfi_aen_triggered;
  252         uint32_t                        mfi_poll_waiting;
  253         uint32_t                        mfi_boot_seq_num;
  254         struct selinfo                  mfi_select;
  255         int                             mfi_delete_busy_volumes;
  256         int                             mfi_keep_deleted_volumes;
  257         int                             mfi_detaching;
  258 
  259         bus_dma_tag_t                   mfi_sense_dmat;
  260         bus_dmamap_t                    mfi_sense_dmamap;
  261         bus_addr_t                      mfi_sense_busaddr;
  262         struct mfi_sense                *mfi_sense;
  263 
  264         struct resource                 *mfi_irq;
  265         void                            *mfi_intr;
  266         int                             mfi_irq_rid;
  267 
  268         struct intr_config_hook         mfi_ich;
  269         eventhandler_tag                eh;
  270         /* OCR flags */
  271         uint8_t adpreset;
  272         uint8_t issuepend_done;
  273         uint8_t disableOnlineCtrlReset;
  274         uint32_t mfiStatus;
  275         uint32_t last_seq_num;
  276         uint32_t volatile hw_crit_error;
  277 
  278         /*
  279          * Allocation for the command array.  Used as an indexable array to
  280          * recover completed commands.
  281          */
  282         struct mfi_command              *mfi_commands;
  283         /*
  284          * How many commands the firmware can handle.  Also how big the reply
  285          * queue is, minus 1.
  286          */
  287         int                             mfi_max_fw_cmds;
  288         /*
  289          * How many S/G elements we'll ever actually use
  290          */
  291         int                             mfi_max_sge;
  292         /*
  293          * How many bytes a compound frame is, including all of the extra frames
  294          * that are used for S/G elements.
  295          */
  296         int                             mfi_cmd_size;
  297         /*
  298          * How large an S/G element is.  Used to calculate the number of single
  299          * frames in a command.
  300          */
  301         int                             mfi_sge_size;
  302         /*
  303          * Max number of sectors that the firmware allows
  304          */
  305         uint32_t                        mfi_max_io;
  306 
  307         TAILQ_HEAD(,mfi_disk)           mfi_ld_tqh;
  308         TAILQ_HEAD(,mfi_system_pd)      mfi_syspd_tqh;
  309         TAILQ_HEAD(,mfi_disk_pending)   mfi_ld_pend_tqh;
  310         TAILQ_HEAD(,mfi_system_pending) mfi_syspd_pend_tqh;
  311         eventhandler_tag                mfi_eh;
  312         struct cdev                     *mfi_cdev;
  313 
  314         TAILQ_HEAD(, ccb_hdr)           mfi_cam_ccbq;
  315         struct mfi_command *            (* mfi_cam_start)(void *);
  316         void                            (*mfi_cam_rescan_cb)(struct mfi_softc *,
  317                                             uint32_t);
  318         struct callout                  mfi_watchdog_callout;
  319         struct mtx                      mfi_io_lock;
  320         struct sx                       mfi_config_lock;
  321 
  322         /* Controller type specific interfaces */
  323         void    (*mfi_enable_intr)(struct mfi_softc *sc);
  324         void    (*mfi_disable_intr)(struct mfi_softc *sc);
  325         int32_t (*mfi_read_fw_status)(struct mfi_softc *sc);
  326         int     (*mfi_check_clear_intr)(struct mfi_softc *sc);
  327         void    (*mfi_issue_cmd)(struct mfi_softc *sc, bus_addr_t bus_add,
  328                     uint32_t frame_cnt);
  329         int     (*mfi_adp_reset)(struct mfi_softc *sc);
  330         int     (*mfi_adp_check_reset)(struct mfi_softc *sc);
  331         void                            (*mfi_intr_ptr)(void *sc);
  332 
  333         /* ThunderBolt */
  334         uint32_t                        mfi_tbolt;
  335         uint32_t                        MFA_enabled;
  336         /* Single Reply structure size */
  337         uint16_t                        reply_size;
  338         /* Singler message size. */
  339         uint16_t                        raid_io_msg_size;
  340         TAILQ_HEAD(TB, mfi_cmd_tbolt)   mfi_cmd_tbolt_tqh;
  341         /* ThunderBolt base contiguous memory mapping. */
  342         bus_dma_tag_t                   mfi_tb_dmat;
  343         bus_dmamap_t                    mfi_tb_dmamap;
  344         bus_addr_t                      mfi_tb_busaddr;
  345         /* ThunderBolt Contiguous DMA memory Mapping */
  346         uint8_t *                       request_message_pool;
  347         uint8_t *                       request_message_pool_align;
  348         uint8_t *                       request_desc_pool;
  349         bus_addr_t                      request_msg_busaddr;
  350         bus_addr_t                      reply_frame_busaddr;
  351         bus_addr_t                      sg_frame_busaddr;
  352         /* ThunderBolt IOC Init Descriptor */
  353         bus_dma_tag_t                   mfi_tb_ioc_init_dmat;
  354         bus_dmamap_t                    mfi_tb_ioc_init_dmamap;
  355         uint8_t *                       mfi_tb_ioc_init_desc;
  356         struct mfi_cmd_tbolt            **mfi_cmd_pool_tbolt;
  357         /* Virtual address of reply Frame Pool */
  358         struct mfi_mpi2_reply_header*   reply_frame_pool;
  359         struct mfi_mpi2_reply_header*   reply_frame_pool_align;
  360 
  361         /* Last reply frame address */
  362         uint8_t *                       reply_pool_limit;
  363         uint16_t                        last_reply_idx;
  364         uint8_t                         max_SGEs_in_chain_message;
  365         uint8_t                         max_SGEs_in_main_message;
  366         uint8_t                         chain_offset_value_for_main_message;
  367         uint8_t                         chain_offset_value_for_mpt_ptmsg;
  368 };
  369 
  370 union desc_value {
  371         uint64_t        word;
  372         struct {
  373                 uint32_t        low;
  374                 uint32_t        high;
  375         }u;
  376 };
  377 
  378 // TODO find the right definition
  379 #define XXX_MFI_CMD_OP_INIT2                    0x9
  380 /*
  381  * Request descriptor types
  382  */
  383 #define MFI_REQ_DESCRIPT_FLAGS_LD_IO           0x7
  384 #define MFI_REQ_DESCRIPT_FLAGS_MFA             0x1
  385 #define MFI_REQ_DESCRIPT_FLAGS_TYPE_SHIFT       0x1
  386 #define MFI_FUSION_FP_DEFAULT_TIMEOUT           0x14
  387 #define MFI_LOAD_BALANCE_FLAG                   0x1
  388 #define MFI_DCMD_MBOX_PEND_FLAG                 0x1
  389 
  390 //#define MR_PROT_INFO_TYPE_CONTROLLER  0x08
  391 #define MEGASAS_SCSI_VARIABLE_LENGTH_CMD        0x7f
  392 #define MEGASAS_SCSI_SERVICE_ACTION_READ32      0x9
  393 #define MEGASAS_SCSI_SERVICE_ACTION_WRITE32     0xB
  394 #define MEGASAS_SCSI_ADDL_CDB_LEN               0x18
  395 #define MEGASAS_RD_WR_PROTECT_CHECK_ALL         0x20
  396 #define MEGASAS_RD_WR_PROTECT_CHECK_NONE        0x60
  397 #define MEGASAS_EEDPBLOCKSIZE                   512
  398 struct mfi_cmd_tbolt {
  399         union mfi_mpi2_request_descriptor *request_desc;
  400         struct mfi_mpi2_request_raid_scsi_io *io_request;
  401         bus_addr_t              io_request_phys_addr;
  402         bus_addr_t              sg_frame_phys_addr;
  403         bus_addr_t              sense_phys_addr;
  404         MPI2_SGE_IO_UNION       *sg_frame;
  405         uint8_t                 *sense;
  406         TAILQ_ENTRY(mfi_cmd_tbolt) next;
  407         /*
  408          * Context for a MFI frame.
  409          * Used to get the mfi cmd from list when a MFI cmd is completed
  410          */
  411         uint32_t                sync_cmd_idx;
  412         uint16_t                index;
  413         uint8_t                 status;
  414 };
  415 
  416 extern int mfi_attach(struct mfi_softc *);
  417 extern void mfi_free(struct mfi_softc *);
  418 extern int mfi_shutdown(struct mfi_softc *);
  419 extern void mfi_startio(struct mfi_softc *);
  420 extern void mfi_disk_complete(struct bio *);
  421 extern int mfi_disk_disable(struct mfi_disk *);
  422 extern void mfi_disk_enable(struct mfi_disk *);
  423 extern int mfi_dump_blocks(struct mfi_softc *, int id, uint64_t, void *, int);
  424 extern int mfi_syspd_disable(struct mfi_system_pd *);
  425 extern void mfi_syspd_enable(struct mfi_system_pd *);
  426 extern int mfi_dump_syspd_blocks(struct mfi_softc *, int id, uint64_t, void *,
  427     int);
  428 extern int mfi_transition_firmware(struct mfi_softc *sc);
  429 extern int mfi_aen_setup(struct mfi_softc *sc, uint32_t seq_start);
  430 extern void mfi_complete(struct mfi_softc *sc, struct mfi_command *cm);
  431 extern int mfi_mapcmd(struct mfi_softc *sc,struct mfi_command *cm);
  432 extern int mfi_wait_command(struct mfi_softc *sc, struct mfi_command *cm);
  433 extern void mfi_tbolt_enable_intr_ppc(struct mfi_softc *);
  434 extern void mfi_tbolt_disable_intr_ppc(struct mfi_softc *);
  435 extern int32_t mfi_tbolt_read_fw_status_ppc(struct mfi_softc *);
  436 extern int32_t mfi_tbolt_check_clear_intr_ppc(struct mfi_softc *);
  437 extern void mfi_tbolt_issue_cmd_ppc(struct mfi_softc *, bus_addr_t, uint32_t);
  438 extern void mfi_tbolt_init_globals(struct mfi_softc*);
  439 extern uint32_t mfi_tbolt_get_memory_requirement(struct mfi_softc *);
  440 extern int mfi_tbolt_init_desc_pool(struct mfi_softc *, uint8_t *, uint32_t);
  441 extern int mfi_tbolt_init_MFI_queue(struct mfi_softc *);
  442 extern void mfi_intr_tbolt(void *arg);
  443 extern int mfi_tbolt_alloc_cmd(struct mfi_softc *sc);
  444 extern int mfi_tbolt_send_frame(struct mfi_softc *sc, struct mfi_command *cm);
  445 extern int mfi_tbolt_adp_reset(struct mfi_softc *sc);
  446 extern int mfi_tbolt_reset(struct mfi_softc *sc);
  447 extern void mfi_tbolt_sync_map_info(struct mfi_softc *sc);
  448 extern void mfi_handle_map_sync(void *context, int pending);
  449 extern int mfi_dcmd_command(struct mfi_softc *, struct mfi_command **,
  450      uint32_t, void **, size_t);
  451 extern int mfi_build_cdb(int, uint8_t, u_int64_t, u_int32_t, uint8_t *);
  452 
  453 #define MFIQ_ADD(sc, qname)                                     \
  454         do {                                                    \
  455                 struct mfi_qstat *qs;                           \
  456                                                                 \
  457                 qs = &(sc)->mfi_qstat[qname];                   \
  458                 qs->q_length++;                                 \
  459                 if (qs->q_length > qs->q_max)                   \
  460                         qs->q_max = qs->q_length;               \
  461         } while (0)
  462 
  463 #define MFIQ_REMOVE(sc, qname)  (sc)->mfi_qstat[qname].q_length--
  464 
  465 #define MFIQ_INIT(sc, qname)                                    \
  466         do {                                                    \
  467                 sc->mfi_qstat[qname].q_length = 0;              \
  468                 sc->mfi_qstat[qname].q_max = 0;                 \
  469         } while (0)
  470 
  471 #define MFIQ_COMMAND_QUEUE(name, index)                                 \
  472         static __inline void                                            \
  473         mfi_initq_ ## name (struct mfi_softc *sc)                       \
  474         {                                                               \
  475                 TAILQ_INIT(&sc->mfi_ ## name);                          \
  476                 MFIQ_INIT(sc, index);                                   \
  477         }                                                               \
  478         static __inline void                                            \
  479         mfi_enqueue_ ## name (struct mfi_command *cm)                   \
  480         {                                                               \
  481                 if ((cm->cm_flags & MFI_ON_MFIQ_MASK) != 0) {           \
  482                         panic("command %p is on another queue, "        \
  483                             "flags = %#x\n", cm, cm->cm_flags);         \
  484                 }                                                       \
  485                 TAILQ_INSERT_TAIL(&cm->cm_sc->mfi_ ## name, cm, cm_link); \
  486                 cm->cm_flags |= MFI_ON_ ## index;                       \
  487                 MFIQ_ADD(cm->cm_sc, index);                             \
  488         }                                                               \
  489         static __inline void                                            \
  490         mfi_requeue_ ## name (struct mfi_command *cm)                   \
  491         {                                                               \
  492                 if ((cm->cm_flags & MFI_ON_MFIQ_MASK) != 0) {           \
  493                         panic("command %p is on another queue, "        \
  494                             "flags = %#x\n", cm, cm->cm_flags);         \
  495                 }                                                       \
  496                 TAILQ_INSERT_HEAD(&cm->cm_sc->mfi_ ## name, cm, cm_link); \
  497                 cm->cm_flags |= MFI_ON_ ## index;                       \
  498                 MFIQ_ADD(cm->cm_sc, index);                             \
  499         }                                                               \
  500         static __inline struct mfi_command *                            \
  501         mfi_dequeue_ ## name (struct mfi_softc *sc)                     \
  502         {                                                               \
  503                 struct mfi_command *cm;                                 \
  504                                                                         \
  505                 if ((cm = TAILQ_FIRST(&sc->mfi_ ## name)) != NULL) {    \
  506                         if ((cm->cm_flags & MFI_ON_ ## index) == 0) {   \
  507                                 panic("command %p not in queue, "       \
  508                                     "flags = %#x, bit = %#x\n", cm,     \
  509                                     cm->cm_flags, MFI_ON_ ## index);    \
  510                         }                                               \
  511                         TAILQ_REMOVE(&sc->mfi_ ## name, cm, cm_link);   \
  512                         cm->cm_flags &= ~MFI_ON_ ## index;              \
  513                         MFIQ_REMOVE(sc, index);                         \
  514                 }                                                       \
  515                 return (cm);                                            \
  516         }                                                               \
  517         static __inline void                                            \
  518         mfi_remove_ ## name (struct mfi_command *cm)                    \
  519         {                                                               \
  520                 if ((cm->cm_flags & MFI_ON_ ## index) == 0) {           \
  521                         panic("command %p not in queue, flags = %#x, " \
  522                             "bit = %#x\n", cm, cm->cm_flags,            \
  523                             MFI_ON_ ## index);                          \
  524                 }                                                       \
  525                 TAILQ_REMOVE(&cm->cm_sc->mfi_ ## name, cm, cm_link);    \
  526                 cm->cm_flags &= ~MFI_ON_ ## index;                      \
  527                 MFIQ_REMOVE(cm->cm_sc, index);                          \
  528         }                                                               \
  529 struct hack
  530 
  531 MFIQ_COMMAND_QUEUE(free, MFIQ_FREE);
  532 MFIQ_COMMAND_QUEUE(ready, MFIQ_READY);
  533 MFIQ_COMMAND_QUEUE(busy, MFIQ_BUSY);
  534 
  535 static __inline void
  536 mfi_initq_bio(struct mfi_softc *sc)
  537 {
  538         bioq_init(&sc->mfi_bioq);
  539         MFIQ_INIT(sc, MFIQ_BIO);
  540 }
  541 
  542 static __inline void
  543 mfi_enqueue_bio(struct mfi_softc *sc, struct bio *bp)
  544 {
  545         bioq_insert_tail(&sc->mfi_bioq, bp);
  546         MFIQ_ADD(sc, MFIQ_BIO);
  547 }
  548 
  549 static __inline struct bio *
  550 mfi_dequeue_bio(struct mfi_softc *sc)
  551 {
  552         struct bio *bp;
  553 
  554         if ((bp = bioq_first(&sc->mfi_bioq)) != NULL) {
  555                 bioq_remove(&sc->mfi_bioq, bp);
  556                 MFIQ_REMOVE(sc, MFIQ_BIO);
  557         }
  558         return (bp);
  559 }
  560 
  561 /*
  562  * This is from the original scsi_extract_sense() in CAM.  It's copied
  563  * here because CAM now uses a non-inline version that follows more complex
  564  * additions to the SPC spec, and we don't want to force a dependency on
  565  * the CAM module for such a trivial action.
  566  */
  567 static __inline void
  568 mfi_extract_sense(struct scsi_sense_data_fixed *sense,
  569     int *error_code, int *sense_key, int *asc, int *ascq)
  570 {
  571 
  572         *error_code = sense->error_code & SSD_ERRCODE;
  573         *sense_key = sense->flags & SSD_KEY;
  574         *asc = (sense->extra_len >= 5) ? sense->add_sense_code : 0;
  575         *ascq = (sense->extra_len >= 6) ? sense->add_sense_code_qual : 0;
  576 }
  577 
  578 static __inline void
  579 mfi_print_sense(struct mfi_softc *sc, void *sense)
  580 {
  581         int error, key, asc, ascq;
  582 
  583         mfi_extract_sense((struct scsi_sense_data_fixed *)sense,
  584             &error, &key, &asc, &ascq);
  585         device_printf(sc->mfi_dev, "sense error %d, sense_key %d, "
  586             "asc %d, ascq %d\n", error, key, asc, ascq);
  587 }
  588 
  589 
  590 #define MFI_WRITE4(sc, reg, val)        bus_space_write_4((sc)->mfi_btag, \
  591         sc->mfi_bhandle, (reg), (val))
  592 #define MFI_READ4(sc, reg)              bus_space_read_4((sc)->mfi_btag, \
  593         (sc)->mfi_bhandle, (reg))
  594 #define MFI_WRITE2(sc, reg, val)        bus_space_write_2((sc)->mfi_btag, \
  595         sc->mfi_bhandle, (reg), (val))
  596 #define MFI_READ2(sc, reg)              bus_space_read_2((sc)->mfi_btag, \
  597         (sc)->mfi_bhandle, (reg))
  598 #define MFI_WRITE1(sc, reg, val)        bus_space_write_1((sc)->mfi_btag, \
  599         sc->mfi_bhandle, (reg), (val))
  600 #define MFI_READ1(sc, reg)              bus_space_read_1((sc)->mfi_btag, \
  601         (sc)->mfi_bhandle, (reg))
  602 
  603 MALLOC_DECLARE(M_MFIBUF);
  604 SYSCTL_DECL(_hw_mfi);
  605 
  606 #define MFI_RESET_WAIT_TIME 180
  607 #define MFI_CMD_TIMEOUT 30
  608 #define MFI_SYS_PD_IO   0
  609 #define MFI_LD_IO       1
  610 #define MFI_SKINNY_MEMORY 0x02000000
  611 #define MFI_MAXPHYS (128 * 1024)
  612 
  613 #ifdef MFI_DEBUG
  614 extern void mfi_print_cmd(struct mfi_command *cm);
  615 extern void mfi_dump_cmds(struct mfi_softc *sc);
  616 extern void mfi_validate_sg(struct mfi_softc *, struct mfi_command *,
  617     const char *, int);
  618 #define MFI_PRINT_CMD(cm)       mfi_print_cmd(cm)
  619 #define MFI_DUMP_CMDS(sc)       mfi_dump_cmds(sc)
  620 #define MFI_VALIDATE_CMD(sc, cm) mfi_validate_sg(sc, cm, __FUNCTION__, __LINE__)
  621 #else
  622 #define MFI_PRINT_CMD(cm)
  623 #define MFI_DUMP_CMDS(sc)
  624 #define MFI_VALIDATE_CMD(sc, cm)
  625 #endif
  626 
  627 extern void mfi_release_command(struct mfi_command *);
  628 extern void mfi_tbolt_return_cmd(struct mfi_softc *,
  629     struct mfi_cmd_tbolt *, struct mfi_command *);
  630 
  631 #endif /* _MFIVAR_H */

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