The Design and Implementation of the FreeBSD Operating System, Second Edition
Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)


[ source navigation ] [ diff markup ] [ identifier search ] [ freetext search ] [ file search ] [ list types ] [ track identifier ]

FreeBSD/Linux Kernel Cross Reference
sys/dev/aacraid/aacraid_var.h

Version: -  FREEBSD  -  FREEBSD-13-STABLE  -  FREEBSD-13-0  -  FREEBSD-12-STABLE  -  FREEBSD-12-0  -  FREEBSD-11-STABLE  -  FREEBSD-11-0  -  FREEBSD-10-STABLE  -  FREEBSD-10-0  -  FREEBSD-9-STABLE  -  FREEBSD-9-0  -  FREEBSD-8-STABLE  -  FREEBSD-8-0  -  FREEBSD-7-STABLE  -  FREEBSD-7-0  -  FREEBSD-6-STABLE  -  FREEBSD-6-0  -  FREEBSD-5-STABLE  -  FREEBSD-5-0  -  FREEBSD-4-STABLE  -  FREEBSD-3-STABLE  -  FREEBSD22  -  l41  -  OPENBSD  -  linux-2.6  -  MK84  -  PLAN9  -  xnu-8792 
SearchContext: -  none  -  3  -  10 

    1 /*-
    2  * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
    3  *
    4  * Copyright (c) 2000 Michael Smith
    5  * Copyright (c) 2001 Scott Long
    6  * Copyright (c) 2000 BSDi
    7  * Copyright (c) 2001-2010 Adaptec, Inc.
    8  * Copyright (c) 2010-2012 PMC-Sierra, Inc.
    9  * All rights reserved.
   10  *
   11  * Redistribution and use in source and binary forms, with or without
   12  * modification, are permitted provided that the following conditions
   13  * are met:
   14  * 1. Redistributions of source code must retain the above copyright
   15  *    notice, this list of conditions and the following disclaimer.
   16  * 2. Redistributions in binary form must reproduce the above copyright
   17  *    notice, this list of conditions and the following disclaimer in the
   18  *    documentation and/or other materials provided with the distribution.
   19  *
   20  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
   21  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
   22  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
   23  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
   24  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
   25  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
   26  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
   27  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
   28  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
   29  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
   30  * SUCH DAMAGE.
   31  *
   32  *      $FreeBSD$
   33  */
   34 
   35 #include <sys/bio.h>
   36 #include <sys/callout.h>
   37 #include <sys/lock.h>
   38 #include <sys/mutex.h>
   39 #include <sys/taskqueue.h>
   40 #include <sys/selinfo.h>
   41 #include <geom/geom_disk.h>
   42 
   43 #define AAC_TYPE_DEVO                   1
   44 #define AAC_TYPE_ALPHA                  2
   45 #define AAC_TYPE_BETA                   3
   46 #define AAC_TYPE_RELEASE                4
   47 
   48 #define AAC_DRIVER_MAJOR_VERSION        3
   49 #define AAC_DRIVER_MINOR_VERSION        2
   50 #define AAC_DRIVER_BUGFIX_LEVEL         10
   51 #define AAC_DRIVER_TYPE                 AAC_TYPE_RELEASE
   52 
   53 #ifndef AAC_DRIVER_BUILD
   54 # define AAC_DRIVER_BUILD 1
   55 #endif
   56 
   57 /* **************************** NewBUS interrupt Crock ************************/
   58 #define aac_bus_setup_intr      bus_setup_intr
   59 
   60 /* **************************** NewBUS CAM Support ****************************/
   61 #define aac_xpt_bus_register    xpt_bus_register
   62 
   63 /**************************** Kernel Thread Support ***************************/
   64 #define aac_kthread_create(func, farg, proc_ptr, flags, stackpgs, fmtstr, arg) \
   65         kproc_create(func, farg, proc_ptr, flags, stackpgs, fmtstr, arg)
   66 #define aac_kthread_exit(status)        \
   67         kproc_exit(status)
   68 
   69 /*
   70  * Driver Parameter Definitions
   71  */
   72 
   73 /*
   74  * We allocate a small set of FIBs for the adapter to use to send us messages.
   75  */
   76 #define AAC_ADAPTER_FIBS        8
   77 
   78 /*
   79  * The controller reports status events in AIFs.  We hang on to a number of
   80  * these in order to pass them out to user-space management tools.
   81  */
   82 #define AAC_AIFQ_LENGTH         64
   83 
   84 /*
   85  * Firmware messages are passed in the printf buffer.
   86  */
   87 #define AAC_PRINTF_BUFSIZE      256
   88 
   89 /*
   90  * We wait this many seconds for the adapter to come ready if it is still 
   91  * booting
   92  */
   93 #define AAC_BOOT_TIMEOUT        (3 * 60)
   94 
   95 /*
   96  * We wait this many seconds for the adapter to come ready  
   97  * after flash update
   98  */
   99 #define AAC_FWUPD_TIMEOUT       (5 * 60)
  100 
  101 /*
  102  * Timeout for sync. commands.
  103  */
  104 #define AAC_SYNC_TIMEOUT        180             /* seconds */
  105 
  106 /*
  107  * Timeout for normal commands
  108  */
  109 #define AAC_CMD_TIMEOUT         180             /* seconds */
  110 
  111 /*
  112  * Rate at which we periodically check for timed out commands and kick the
  113  * controller.
  114  */
  115 #define AAC_PERIODIC_INTERVAL   20              /* seconds */
  116 
  117 #define PASSTHROUGH_BUS         0
  118 #define CONTAINER_BUS           1
  119 /*
  120  * Per-container data structure
  121  */
  122 struct aac_container
  123 {
  124         struct aac_mntobj               co_mntobj;
  125         int                             co_found;
  126         u_int32_t               co_uid;       
  127         TAILQ_ENTRY(aac_container)      co_link;
  128 };
  129 
  130 /*
  131  * Per-SIM data structure
  132  */
  133 struct aac_cam;
  134 struct aac_sim
  135 {
  136         device_t                sim_dev;
  137         int                     TargetsPerBus;
  138         int                     BusNumber;
  139         int                     BusType;
  140         int                     InitiatorBusId;
  141         struct aac_softc        *aac_sc;
  142         struct aac_cam          *aac_cam;
  143         TAILQ_ENTRY(aac_sim)    sim_link;
  144 };
  145 
  146 /*
  147  * Per-disk structure
  148  */
  149 struct aac_disk 
  150 {
  151         device_t                        ad_dev;
  152         struct aac_softc                *ad_controller;
  153         struct aac_container            *ad_container;
  154         struct disk                     *ad_disk;
  155         int                             ad_flags;
  156 #define AAC_DISK_OPEN   (1<<0)
  157         int                             ad_cylinders;
  158         int                             ad_heads;
  159         int                             ad_sectors;
  160         u_int64_t                       ad_size;
  161         int                             unit;
  162 };
  163 
  164 /*
  165  * Per-command control structure.
  166  */
  167 struct aac_command
  168 {
  169         TAILQ_ENTRY(aac_command) cm_link;       /* list linkage */
  170 
  171         struct aac_softc        *cm_sc;         /* controller that owns us */
  172 
  173         struct aac_fib          *cm_fib;        /* FIB associated with this
  174                                                  * command */
  175         u_int64_t               cm_fibphys;     /* bus address of the FIB */
  176         struct bio              *cm_data;       /* pointer to data in kernel
  177                                                  * space */
  178         u_int32_t               cm_datalen;     /* data length */
  179         bus_dmamap_t            cm_datamap;     /* DMA map for bio data */
  180         struct aac_sg_table     *cm_sgtable;    /* pointer to s/g table in
  181                                                  * command */
  182         int                     cm_flags;
  183 #define AAC_CMD_MAPPED          (1<<0)          /* command has had its data
  184                                                  * mapped */
  185 #define AAC_CMD_DATAIN          (1<<1)          /* command involves data moving
  186                                                  * from controller to host */
  187 #define AAC_CMD_DATAOUT         (1<<2)          /* command involves data moving
  188                                                  * from host to controller */
  189 #define AAC_CMD_COMPLETED       (1<<3)          /* command has been completed */
  190 #define AAC_CMD_TIMEDOUT        (1<<4)          /* command taken too long */
  191 #define AAC_ON_AACQ_FREE        (1<<5)
  192 #define AAC_ON_AACQ_READY       (1<<6)
  193 #define AAC_ON_AACQ_BUSY        (1<<7)
  194 #define AAC_ON_AACQ_AIF         (1<<8)
  195 #define AAC_ON_AACQ_NORM        (1<<10)
  196 #define AAC_ON_AACQ_MASK        ((1<<5)|(1<<6)|(1<<7)|(1<<8)|(1<<10))
  197 #define AAC_CMD_RESET           (1<<9)
  198 #define AAC_CMD_FASTRESP        (1<<11)
  199 #define AAC_CMD_WAIT            (1<<12)
  200 
  201         void                    (* cm_complete)(struct aac_command *cm);
  202         union ccb               *cm_ccb;
  203         time_t                  cm_timestamp;   /* command creation time */
  204         int                     cm_index;
  205         bus_dma_tag_t           cm_passthr_dmat;        /* passthrough buffer/command
  206                                                          * DMA tag */
  207 };
  208 
  209 struct aac_fibmap {
  210         TAILQ_ENTRY(aac_fibmap) fm_link;        /* list linkage */
  211         struct aac_fib          *aac_fibs;
  212         bus_dmamap_t            aac_fibmap;
  213         struct aac_command      *aac_commands;
  214 };
  215 
  216 /*
  217  * We gather a number of adapter-visible items into a single structure.
  218  *
  219  * The ordering of this strucure may be important; we copy the Linux driver:
  220  *
  221  * Adapter FIBs
  222  * Init struct
  223  * Queue headers (Comm Area)
  224  * Printf buffer
  225  *
  226  * In addition, we add:
  227  * Sync Fib
  228  */
  229 struct aac_common {
  230         /* fibs for the controller to send us messages */
  231         struct aac_fib          ac_fibs[AAC_ADAPTER_FIBS];
  232 
  233         /* the init structure */
  234         struct aac_adapter_init ac_init;
  235 
  236         /* buffer for text messages from the controller */
  237         char                    ac_printf[AAC_PRINTF_BUFSIZE];
  238 
  239         /* fib for synchronous commands */
  240         struct aac_fib          ac_sync_fib;
  241 
  242         /* response buffer for SRC (new comm. type1) - must be last element */
  243         u_int32_t   ac_host_rrq[0];
  244 };
  245 
  246 /*
  247  * Interface operations
  248  */
  249 struct aac_interface 
  250 {
  251         int     (*aif_get_fwstatus)(struct aac_softc *sc);
  252         void    (*aif_qnotify)(struct aac_softc *sc, int qbit);
  253         int     (*aif_get_istatus)(struct aac_softc *sc);
  254         void    (*aif_clr_istatus)(struct aac_softc *sc, int mask);
  255         void    (*aif_set_mailbox)(struct aac_softc *sc, u_int32_t command,
  256                                    u_int32_t arg0, u_int32_t arg1,
  257                                    u_int32_t arg2, u_int32_t arg3);
  258         int     (*aif_get_mailbox)(struct aac_softc *sc, int mb);
  259         void    (*aif_access_devreg)(struct aac_softc *sc, int enable);
  260         int (*aif_send_command)(struct aac_softc *sc, struct aac_command *cm);
  261         int (*aif_get_outb_queue)(struct aac_softc *sc);
  262         void (*aif_set_outb_queue)(struct aac_softc *sc, int index);
  263 };
  264 extern struct aac_interface     aacraid_src_interface;
  265 extern struct aac_interface     aacraid_srcv_interface;
  266 
  267 #define AAC_GET_FWSTATUS(sc)            ((sc)->aac_if.aif_get_fwstatus((sc)))
  268 #define AAC_QNOTIFY(sc, qbit)           ((sc)->aac_if.aif_qnotify((sc), (qbit)))
  269 #define AAC_GET_ISTATUS(sc)             ((sc)->aac_if.aif_get_istatus((sc)))
  270 #define AAC_CLEAR_ISTATUS(sc, mask)     ((sc)->aac_if.aif_clr_istatus((sc), \
  271                                         (mask)))
  272 #define AAC_SET_MAILBOX(sc, command, arg0, arg1, arg2, arg3) \
  273         ((sc)->aac_if.aif_set_mailbox((sc), (command), (arg0), (arg1), (arg2), \
  274         (arg3)))
  275 #define AAC_GET_MAILBOX(sc, mb)         ((sc)->aac_if.aif_get_mailbox((sc), \
  276                                         (mb)))
  277 #define AAC_ACCESS_DEVREG(sc, mode)     ((sc)->aac_if.aif_access_devreg((sc), \
  278                                         mode))
  279 #define AAC_SEND_COMMAND(sc, cm)        ((sc)->aac_if.aif_send_command((sc), (cm)))
  280 #define AAC_GET_OUTB_QUEUE(sc)          ((sc)->aac_if.aif_get_outb_queue((sc)))
  281 #define AAC_SET_OUTB_QUEUE(sc, idx)     ((sc)->aac_if.aif_set_outb_queue((sc), (idx)))
  282 
  283 #define AAC_MEM0_SETREG4(sc, reg, val)  bus_space_write_4(sc->aac_btag0, \
  284                                         sc->aac_bhandle0, reg, val)
  285 #define AAC_MEM0_GETREG4(sc, reg)       bus_space_read_4(sc->aac_btag0, \
  286                                         sc->aac_bhandle0, reg)
  287 #define AAC_MEM0_SETREG2(sc, reg, val)  bus_space_write_2(sc->aac_btag0, \
  288                                         sc->aac_bhandle0, reg, val)
  289 #define AAC_MEM0_GETREG2(sc, reg)       bus_space_read_2(sc->aac_btag0, \
  290                                         sc->aac_bhandle0, reg)
  291 #define AAC_MEM0_SETREG1(sc, reg, val)  bus_space_write_1(sc->aac_btag0, \
  292                                         sc->aac_bhandle0, reg, val)
  293 #define AAC_MEM0_GETREG1(sc, reg)       bus_space_read_1(sc->aac_btag0, \
  294                                         sc->aac_bhandle0, reg)
  295 
  296 #define AAC_MEM1_SETREG4(sc, reg, val)  bus_space_write_4(sc->aac_btag1, \
  297                                         sc->aac_bhandle1, reg, val)
  298 #define AAC_MEM1_GETREG4(sc, reg)       bus_space_read_4(sc->aac_btag1, \
  299                                         sc->aac_bhandle1, reg)
  300 #define AAC_MEM1_SETREG2(sc, reg, val)  bus_space_write_2(sc->aac_btag1, \
  301                                         sc->aac_bhandle1, reg, val)
  302 #define AAC_MEM1_GETREG2(sc, reg)       bus_space_read_2(sc->aac_btag1, \
  303                                         sc->aac_bhandle1, reg)
  304 #define AAC_MEM1_SETREG1(sc, reg, val)  bus_space_write_1(sc->aac_btag1, \
  305                                         sc->aac_bhandle1, reg, val)
  306 #define AAC_MEM1_GETREG1(sc, reg)       bus_space_read_1(sc->aac_btag1, \
  307                                         sc->aac_bhandle1, reg)
  308 
  309 /* fib context (IOCTL) */
  310 struct aac_fib_context {
  311         u_int32_t               unique;
  312         int                     ctx_idx;
  313         int                     ctx_wrap;
  314         struct aac_fib_context *next, *prev;
  315 };
  316 
  317 /* MSIX context */
  318 struct aac_msix_ctx {
  319         int                     vector_no;      
  320         struct aac_softc        *sc;
  321 };
  322 
  323 /*
  324  * Per-controller structure.
  325  */
  326 struct aac_softc 
  327 {
  328         /* bus connections */
  329         device_t                aac_dev;
  330         struct resource         *aac_regs_res0, *aac_regs_res1; /* reg. if. window */
  331         int                     aac_regs_rid0, aac_regs_rid1;           /* resource ID */
  332         bus_space_handle_t      aac_bhandle0, aac_bhandle1;             /* bus space handle */
  333         bus_space_tag_t         aac_btag0, aac_btag1;           /* bus space tag */
  334         bus_dma_tag_t           aac_parent_dmat;        /* parent DMA tag */
  335         bus_dma_tag_t           aac_buffer_dmat;        /* data buffer/command
  336                                                          * DMA tag */
  337         struct resource         *aac_irq[AAC_MAX_MSIX];  /* interrupt */
  338         int                     aac_irq_rid[AAC_MAX_MSIX];
  339         void                    *aac_intr[AAC_MAX_MSIX]; /* interrupt handle */
  340         struct aac_msix_ctx     aac_msix[AAC_MAX_MSIX]; /* context */
  341         eventhandler_tag        eh;
  342         struct callout  aac_daemontime;         /* clock daemon callout */
  343 
  344         /* controller features, limits and status */
  345         int                     aac_state;
  346 #define AAC_STATE_SUSPEND       (1<<0)
  347 #define AAC_STATE_UNUSED0       (1<<1)
  348 #define AAC_STATE_INTERRUPTS_ON (1<<2)
  349 #define AAC_STATE_AIF_SLEEPER   (1<<3)
  350 #define AAC_STATE_RESET         (1<<4)
  351         struct FsaRevision              aac_revision;
  352 
  353         /* controller hardware interface */
  354         int                     aac_hwif;
  355 #define AAC_HWIF_SRC            5
  356 #define AAC_HWIF_SRCV           6
  357 #define AAC_HWIF_UNKNOWN        -1
  358         bus_dma_tag_t           aac_common_dmat;        /* common structure
  359                                                          * DMA tag */
  360         bus_dmamap_t            aac_common_dmamap;      /* common structure
  361                                                          * DMA map */
  362         struct aac_common       *aac_common;
  363         u_int32_t               aac_common_busaddr;
  364         u_int32_t               aac_host_rrq_idx[AAC_MAX_MSIX];
  365         u_int32_t               aac_rrq_outstanding[AAC_MAX_MSIX];
  366         u_int32_t               aac_fibs_pushed_no;
  367         struct aac_interface    aac_if;
  368 
  369         /* command/fib resources */
  370         bus_dma_tag_t           aac_fib_dmat;   /* DMA tag for allocing FIBs */
  371         TAILQ_HEAD(,aac_fibmap) aac_fibmap_tqh;
  372         u_int                   total_fibs;
  373         struct aac_command      *aac_commands;
  374 
  375         /* command management */
  376         TAILQ_HEAD(,aac_command) aac_free;      /* command structures 
  377                                                  * available for reuse */
  378         TAILQ_HEAD(,aac_command) aac_ready;     /* commands on hold for
  379                                                  * controller resources */
  380         TAILQ_HEAD(,aac_command) aac_busy;
  381         TAILQ_HEAD(,aac_event)  aac_ev_cmfree;
  382         struct bio_queue_head   aac_bioq;
  383 
  384         struct aac_qstat        aac_qstat[AACQ_COUNT];  /* queue statistics */
  385 
  386         /* connected containters */
  387         TAILQ_HEAD(,aac_container)      aac_container_tqh;
  388         struct mtx              aac_container_lock;
  389 
  390         /*
  391          * The general I/O lock.  This protects the sync fib, the lists, the
  392          * queues, and the registers.
  393          */
  394         struct mtx              aac_io_lock;
  395 
  396         struct intr_config_hook aac_ich;
  397 
  398         /* sync. transfer mode */
  399         struct aac_command *aac_sync_cm;
  400 
  401         /* management interface */
  402         struct cdev *aac_dev_t;
  403         struct mtx              aac_aifq_lock;
  404         struct aac_fib          aac_aifq[AAC_AIFQ_LENGTH];
  405         int                     aifq_idx;
  406         int                     aifq_filled;
  407         int                     aif_pending;
  408         struct aac_fib_context *fibctx;
  409         struct selinfo          rcv_select;
  410         struct proc             *aifthread;
  411         int                     aifflags;
  412 #define AAC_AIFFLAGS_RUNNING    (1 << 0)
  413 #define AAC_AIFFLAGS_AIF        (1 << 1)
  414 #define AAC_AIFFLAGS_EXIT       (1 << 2)
  415 #define AAC_AIFFLAGS_EXITED     (1 << 3)
  416 #define AAC_AIFFLAGS_PRINTF     (1 << 4)
  417 #define AAC_AIFFLAGS_ALLOCFIBS  (1 << 5)
  418 #define AAC_AIFFLAGS_PENDING    (AAC_AIFFLAGS_AIF | AAC_AIFFLAGS_PRINTF | \
  419                                  AAC_AIFFLAGS_ALLOCFIBS)
  420         u_int32_t               flags;
  421 #define AAC_FLAGS_PERC2QC       (1 << 0)
  422 #define AAC_FLAGS_ENABLE_CAM    (1 << 1)        /* No SCSI passthrough */
  423 #define AAC_FLAGS_CAM_NORESET   (1 << 2)        /* Fake SCSI resets */
  424 #define AAC_FLAGS_CAM_PASSONLY  (1 << 3)        /* Only create pass devices */
  425 #define AAC_FLAGS_SG_64BIT      (1 << 4)        /* Use 64-bit S/G addresses */
  426 #define AAC_FLAGS_4GB_WINDOW    (1 << 5)        /* Device can access host mem
  427                                                  * 2GB-4GB range */
  428 #define AAC_FLAGS_NO4GB         (1 << 6)        /* Can't access host mem >2GB */
  429 #define AAC_FLAGS_256FIBS       (1 << 7)        /* Can only do 256 commands */
  430 #define AAC_FLAGS_BROKEN_MEMMAP (1 << 8)        /* Broken HostPhysMemPages */
  431 #define AAC_FLAGS_SLAVE (1 << 9)
  432 #define AAC_FLAGS_MASTER        (1 << 10)
  433 #define AAC_FLAGS_NEW_COMM      (1 << 11)       /* New comm. interface supported */
  434 #define AAC_FLAGS_RAW_IO        (1 << 12)       /* Raw I/O interface */
  435 #define AAC_FLAGS_ARRAY_64BIT   (1 << 13)       /* 64-bit array size */
  436 #define AAC_FLAGS_LBA_64BIT     (1 << 14)       /* 64-bit LBA support */
  437 #define AAC_QUEUE_FRZN          (1 << 15)       /* Freeze the processing of
  438                                                  * commands on the queue. */
  439 #define AAC_FLAGS_NEW_COMM_TYPE1 (1 << 16)      /* New comm. type1 supported */
  440 #define AAC_FLAGS_NEW_COMM_TYPE2 (1 << 17)      /* New comm. type2 supported */
  441 #define AAC_FLAGS_NEW_COMM_TYPE34 (1 << 18)     /* New comm. type3/4 */
  442 #define AAC_FLAGS_SYNC_MODE (1 << 18)   /* Sync. transfer mode */
  443         u_int32_t               hint_flags;             /* driver parameters */
  444         int     sim_freezed;                            /* flag for sim_freeze/release */               
  445         u_int32_t               supported_options;
  446         u_int32_t               scsi_method_id;
  447         TAILQ_HEAD(,aac_sim)    aac_sim_tqh;
  448 
  449         u_int32_t       aac_max_fibs;           /* max. FIB count */
  450         u_int32_t       aac_max_fibs_alloc;             /* max. alloc. per alloc_commands() */
  451         u_int32_t       aac_max_fib_size;               /* max. FIB size */
  452         u_int32_t       aac_sg_tablesize;               /* max. sg count from host */
  453         u_int32_t       aac_max_sectors;                /* max. I/O size from host (blocks) */
  454         u_int32_t       aac_feature_bits;               /* feature bits from suppl. info */
  455         u_int32_t       aac_support_opt2;               /* supp. options from suppl. info */
  456         u_int32_t       aac_max_aif;                    /* max. AIF count */
  457         u_int32_t       doorbell_mask;                  /* for IOP reset */
  458         u_int32_t       aac_max_msix;                   /* max. MSI-X vectors */
  459         u_int32_t       aac_vector_cap;                 /* MSI-X vector capab.*/
  460         int             msi_enabled;                    /* MSI/MSI-X enabled */
  461         int             msi_tupelo;             /* Series 6 support for */
  462                                                 /* single MSI interrupt */
  463 #define AAC_CAM_TARGET_WILDCARD ~0
  464         void                    (*cam_rescan_cb)(struct aac_softc *, uint32_t,
  465                                     uint32_t);
  466         u_int32_t       DebugFlags;             /* Debug print flags bitmap */
  467         u_int32_t       DebugOffset;            /* Offset from DPMEM start */
  468         u_int32_t       DebugHeaderSize;        /* Size of debug header */
  469         u_int32_t       FwDebugFlags;           /* FW Debug Flags */
  470         u_int32_t       FwDebugBufferSize;      /* FW Debug Buffer size */      
  471 };
  472 
  473 /*
  474  * Max. I/O size in bytes.
  475  * Reserve one page for the DMA subsystem, that may need it when the
  476  * I/O buffer is not page aligned.
  477  */
  478 #define AAC_MAXIO_SIZE(sc)      MIN(((sc)->aac_max_sectors << 9) - PAGE_SIZE, \
  479                                         maxphys)
  480 
  481 /*
  482  * Event callback mechanism for the driver
  483  */
  484 #define AAC_EVENT_NONE          0x00
  485 #define AAC_EVENT_CMFREE        0x01
  486 #define AAC_EVENT_MASK          0xff
  487 #define AAC_EVENT_REPEAT        0x100
  488 
  489 typedef void aac_event_cb_t(struct aac_softc *sc, struct aac_event *event,
  490     void *arg);
  491 struct aac_event {
  492         TAILQ_ENTRY(aac_event)  ev_links;
  493         int                     ev_type;
  494         aac_event_cb_t          *ev_callback;
  495         void                    *ev_arg;
  496 };
  497 
  498 /*
  499  * Public functions
  500  */
  501 extern void             aacraid_free(struct aac_softc *sc);
  502 extern int              aacraid_attach(struct aac_softc *sc);
  503 extern int              aacraid_detach(device_t dev);
  504 extern int              aacraid_shutdown(device_t dev);
  505 extern int              aacraid_suspend(device_t dev); 
  506 extern int              aacraid_resume(device_t dev);
  507 extern void             aacraid_new_intr_type1(void *arg);
  508 extern void             aacraid_submit_bio(struct bio *bp);
  509 extern void             aacraid_biodone(struct bio *bp);
  510 extern void             aacraid_startio(struct aac_softc *sc);
  511 extern int              aacraid_alloc_command(struct aac_softc *sc,
  512                                           struct aac_command **cmp);
  513 extern void             aacraid_release_command(struct aac_command *cm);
  514 extern void             aacraid_add_event(struct aac_softc *sc, struct aac_event
  515                                       *event);
  516 extern void             aacraid_map_command_sg(void *arg, bus_dma_segment_t *segs,
  517                                 int nseg, int error);
  518 extern int              aacraid_wait_command(struct aac_command *cmp);
  519 
  520 #ifdef AACRAID_DEBUG
  521 # define fwprintf(sc, flags, fmt, args...)                              \
  522         aacraid_fw_printf(sc, flags, "%s: " fmt, __func__, ##args);
  523 
  524 extern void     aacraid_print_queues(struct aac_softc *sc);
  525 extern void     aacraid_print_fib(struct aac_softc *sc, struct aac_fib *fib,
  526                               const char *caller);
  527 extern void     aacraid_print_aif(struct aac_softc *sc,
  528                               struct aac_aif_command *aif);
  529 
  530 #define AAC_PRINT_FIB(sc, fib)  aacraid_print_fib(sc, fib, __func__)
  531 
  532 #else
  533 # define fwprintf(sc, flags, fmt, args...)
  534 
  535 # define aacraid_print_queues(sc)
  536 
  537 # define AAC_PRINT_FIB(sc, fib)
  538 # define aacraid_print_aif(sc, aac_aif_command)
  539 #endif
  540 
  541 struct aac_code_lookup {
  542         char    *string;
  543         u_int32_t       code;
  544 };
  545 
  546 /*
  547  * Queue primitives for driver queues.
  548  */
  549 #define AACQ_ADD(sc, qname)                                     \
  550         do {                                                    \
  551                 struct aac_qstat *qs;                           \
  552                                                                 \
  553                 qs = &(sc)->aac_qstat[qname];                   \
  554                                                                 \
  555                 qs->q_length++;                                 \
  556                 if (qs->q_length > qs->q_max)                   \
  557                         qs->q_max = qs->q_length;               \
  558         } while (0)
  559 
  560 #define AACQ_REMOVE(sc, qname)    (sc)->aac_qstat[qname].q_length--
  561 #define AACQ_INIT(sc, qname)                            \
  562         do {                                            \
  563                 sc->aac_qstat[qname].q_length = 0;      \
  564                 sc->aac_qstat[qname].q_max = 0;         \
  565         } while (0)
  566 
  567 #define AACQ_COMMAND_QUEUE(name, index)                                 \
  568 static __inline void                                                    \
  569 aac_initq_ ## name (struct aac_softc *sc)                               \
  570 {                                                                       \
  571         TAILQ_INIT(&sc->aac_ ## name);                                  \
  572         AACQ_INIT(sc, index);                                           \
  573 }                                                                       \
  574 static __inline void                                                    \
  575 aac_enqueue_ ## name (struct aac_command *cm)                           \
  576 {                                                                       \
  577         if ((cm->cm_flags & AAC_ON_AACQ_MASK) != 0) {                   \
  578                 printf("command %p is on another queue, flags = %#x\n", \
  579                        cm, cm->cm_flags);                               \
  580                 panic("command is on another queue");                   \
  581         }                                                               \
  582         TAILQ_INSERT_TAIL(&cm->cm_sc->aac_ ## name, cm, cm_link);       \
  583         cm->cm_flags |= AAC_ON_ ## index;                               \
  584         AACQ_ADD(cm->cm_sc, index);                                     \
  585 }                                                                       \
  586 static __inline void                                                    \
  587 aac_requeue_ ## name (struct aac_command *cm)                           \
  588 {                                                                       \
  589         if ((cm->cm_flags & AAC_ON_AACQ_MASK) != 0) {                   \
  590                 printf("command %p is on another queue, flags = %#x\n", \
  591                        cm, cm->cm_flags);                               \
  592                 panic("command is on another queue");                   \
  593         }                                                               \
  594         TAILQ_INSERT_HEAD(&cm->cm_sc->aac_ ## name, cm, cm_link);       \
  595         cm->cm_flags |= AAC_ON_ ## index;                               \
  596         AACQ_ADD(cm->cm_sc, index);                                     \
  597 }                                                                       \
  598 static __inline struct aac_command *                                    \
  599 aac_dequeue_ ## name (struct aac_softc *sc)                             \
  600 {                                                                       \
  601         struct aac_command *cm;                                         \
  602                                                                         \
  603         if ((cm = TAILQ_FIRST(&sc->aac_ ## name)) != NULL) {            \
  604                 if ((cm->cm_flags & AAC_ON_ ## index) == 0) {           \
  605                         printf("command %p not in queue, flags = %#x, " \
  606                                "bit = %#x\n", cm, cm->cm_flags,         \
  607                                AAC_ON_ ## index);                       \
  608                         panic("command not in queue");                  \
  609                 }                                                       \
  610                 TAILQ_REMOVE(&sc->aac_ ## name, cm, cm_link);           \
  611                 cm->cm_flags &= ~AAC_ON_ ## index;                      \
  612                 AACQ_REMOVE(sc, index);                                 \
  613         }                                                               \
  614         return(cm);                                                     \
  615 }                                                                       \
  616 static __inline void                                                    \
  617 aac_remove_ ## name (struct aac_command *cm)                            \
  618 {                                                                       \
  619         if ((cm->cm_flags & AAC_ON_ ## index) == 0) {                   \
  620                 printf("command %p not in queue, flags = %#x, "         \
  621                        "bit = %#x\n", cm, cm->cm_flags,                 \
  622                        AAC_ON_ ## index);                               \
  623                 panic("command not in queue");                          \
  624         }                                                               \
  625         TAILQ_REMOVE(&cm->cm_sc->aac_ ## name, cm, cm_link);            \
  626         cm->cm_flags &= ~AAC_ON_ ## index;                              \
  627         AACQ_REMOVE(cm->cm_sc, index);                                  \
  628 }                                                                       \
  629 struct hack
  630 
  631 AACQ_COMMAND_QUEUE(free, AACQ_FREE);
  632 AACQ_COMMAND_QUEUE(ready, AACQ_READY);
  633 AACQ_COMMAND_QUEUE(busy, AACQ_BUSY);
  634 
  635 static __inline void
  636 aac_print_printf(struct aac_softc *sc)
  637 {
  638         /*
  639          * XXX We have the ability to read the length of the printf string
  640          * from out of the mailboxes.
  641          */
  642         device_printf(sc->aac_dev, "**Monitor** %.*s", AAC_PRINTF_BUFSIZE,
  643                       sc->aac_common->ac_printf);
  644         sc->aac_common->ac_printf[0] = 0;
  645         AAC_QNOTIFY(sc, AAC_DB_PRINTF);
  646 }
  647 
  648 static __inline int
  649 aac_alloc_sync_fib(struct aac_softc *sc, struct aac_fib **fib)
  650 {
  651 
  652         mtx_assert(&sc->aac_io_lock, MA_OWNED);
  653         *fib = &sc->aac_common->ac_sync_fib;
  654         return (0);
  655 }
  656 
  657 static __inline void
  658 aac_release_sync_fib(struct aac_softc *sc)
  659 {
  660 
  661         mtx_assert(&sc->aac_io_lock, MA_OWNED);
  662 }

Cache object: 789bf578a9865bd22178038be21ff7b7


[ source navigation ] [ diff markup ] [ identifier search ] [ freetext search ] [ file search ] [ list types ] [ track identifier ]


This page is part of the FreeBSD/Linux Linux Kernel Cross-Reference, and was automatically generated using a modified version of the LXR engine.