mfi_debug.c

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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 #include <sys/cdefs.h>
   28 __FBSDID("$FreeBSD: releng/9.1/sys/dev/mfi/mfi_debug.c 235135 2012-05-07 19:17:09Z ambrisko $");
   29 
   30 #include "opt_mfi.h"
   31 
   32 #ifdef MFI_DEBUG
   33 
   34 #include <sys/param.h>
   35 #include <sys/systm.h>
   36 #include <sys/kernel.h>
   37 #include <sys/conf.h>
   38 #include <sys/bus.h>
   39 #include <sys/bio.h>
   40 #include <sys/lock.h>
   41 #include <sys/mutex.h>
   42 #include <sys/malloc.h>
   43 #include <sys/selinfo.h>
   44 #include <sys/sysctl.h>
   45 #include <sys/taskqueue.h>
   46 #include <sys/uio.h>
   47 #include <machine/resource.h>
   48 #include <machine/bus.h>
   49 
   50 #include <vm/vm.h>
   51 #include <vm/pmap.h>
   52 
   53 #include <dev/mfi/mfireg.h>
   54 #include <dev/mfi/mfi_ioctl.h>
   55 #include <dev/mfi/mfivar.h>
   56 
   57 static void
   58 mfi_print_frame_flags(device_t dev, uint32_t flags)
   59 {
   60         device_printf(dev, "flags=%b\n", flags,
   61             "\2"
   62             "\1NOPOST"
   63             "\2SGL64"
   64             "\3SENSE64"
   65             "\4WRITE"
   66             "\5READ"
   67             "\6IEEESGL");
   68 }
   69 
   70 static void
   71 mfi_print_sgl(struct mfi_frame_header *hdr, union mfi_sgl *sgl, int count)
   72 {
   73         int i, columns = 0;
   74 
   75         printf("SG List:\n");
   76         for (i = 0; i < count; i++) {
   77                 if (hdr->flags & MFI_FRAME_IEEE_SGL) {
   78                         printf("0x%lx:%06d ", (u_long)sgl->sg_skinny[i].addr,
   79                             sgl->sg_skinny[i].len);
   80                         columns += 26;
   81                         if (columns > 77) {
   82                                 printf("\n");
   83                                 columns = 0;
   84                         }
   85                 } else if (hdr->flags & MFI_FRAME_SGL64) {
   86                         printf("0x%lx:%06d ", (u_long)sgl->sg64[i].addr,
   87                             sgl->sg64[i].len);
   88                         columns += 26;
   89                         if (columns > 77) {
   90                                 printf("\n");
   91                                 columns = 0;
   92                         }
   93                 } else {
   94                         printf("0x%x:%06d ", sgl->sg32[i].addr,
   95                             sgl->sg32[i].len);
   96                         columns += 18;
   97                         if (columns > 71) {
   98                                 printf("\n");
   99                                 columns = 0;
  100                         }
  101                 }
  102         }
  103         if (columns != 0)
  104                 printf("\n");
  105 
  106 }
  107 
  108 static void
  109 mfi_print_ldio(struct mfi_softc *sc, device_t dev, struct mfi_command *cm)
  110 {
  111         struct mfi_io_frame *io;
  112         struct mfi_frame_header *hdr;
  113 
  114         io = &cm->cm_frame->io;
  115         hdr = &io->header;
  116 
  117         device_printf(dev, "cmd=%s target_id=%d sg_count=%d data_len=%d "
  118             "lba=%d\n", (hdr->cmd == MFI_CMD_LD_READ) ? "LD_READ":"LD_WRITE",
  119              hdr->target_id, hdr->sg_count, hdr->data_len, io->lba_lo);
  120         mfi_print_frame_flags(dev, hdr->flags);
  121         mfi_print_sgl(hdr, &io->sgl, hdr->sg_count);
  122 
  123 }
  124 
  125 static void
  126 mfi_print_dcmd(struct mfi_softc *sc, device_t dev, struct mfi_command *cm)
  127 {
  128         struct mfi_dcmd_frame *dcmd;
  129         struct mfi_frame_header *hdr;
  130         const char *opcode;
  131 
  132         dcmd = &cm->cm_frame->dcmd;
  133         hdr = &dcmd->header;
  134 
  135         switch (dcmd->opcode) {
  136         case MFI_DCMD_CTRL_GETINFO:
  137                 opcode = "CTRL_GETINFO";
  138                 break;
  139         case MFI_DCMD_CTRL_FLUSHCACHE:
  140                 opcode = "CTRL_FLUSHCACHE";
  141                 break;
  142         case MFI_DCMD_CTRL_SHUTDOWN:
  143                 opcode = "CTRL_SHUTDOWN";
  144                 break;
  145         case MFI_DCMD_CTRL_EVENT_GETINFO:
  146                 opcode = "EVENT_GETINFO";
  147                 break;
  148         case MFI_DCMD_CTRL_EVENT_GET:
  149                 opcode = "EVENT_GET";
  150                 break;
  151         case MFI_DCMD_CTRL_EVENT_WAIT:
  152                 opcode = "EVENT_WAIT";
  153                 break;
  154         case MFI_DCMD_LD_GET_LIST:
  155                 opcode = "LD_GET_LIST";
  156                 break;
  157         case MFI_DCMD_LD_GET_INFO:
  158                 opcode = "LD_GET_INFO";
  159                 break;
  160         case MFI_DCMD_LD_GET_PROP:
  161                 opcode = "LD_GET_PROP";
  162                 break;
  163         case MFI_DCMD_LD_SET_PROP:
  164                 opcode = "LD_SET_PROP";
  165                 break;
  166         case MFI_DCMD_CLUSTER:
  167                 opcode = "CLUSTER";
  168                 break;
  169         case MFI_DCMD_CLUSTER_RESET_ALL:
  170                 opcode = "CLUSTER_RESET_ALL";
  171                 break;
  172         case MFI_DCMD_CLUSTER_RESET_LD:
  173                 opcode = "CLUSTER_RESET_LD";
  174                 break;
  175         case MFI_DCMD_LD_MAP_GET_INFO:
  176                 opcode = "LD_MAP_GET_INFO";
  177                 break;
  178         default:
  179                 opcode = "UNKNOWN";
  180                 break;
  181         }
  182 
  183         device_printf(dev, "cmd=MFI_CMD_DCMD opcode=%s data_len=%d\n",
  184             opcode, hdr->data_len);
  185         mfi_print_frame_flags(dev, hdr->flags);
  186         mfi_print_sgl(hdr, &dcmd->sgl, hdr->sg_count);
  187 
  188 }
  189 
  190 static void
  191 mfi_print_generic_frame(struct mfi_softc *sc, struct mfi_command *cm)
  192 {
  193         hexdump(cm->cm_frame, cm->cm_total_frame_size, NULL, HD_OMIT_CHARS);
  194 }
  195 
  196 void
  197 mfi_print_cmd(struct mfi_command *cm)
  198 {
  199         device_t dev;
  200         struct mfi_softc *sc;
  201 
  202         sc = cm->cm_sc;
  203         dev = sc->mfi_dev;
  204 
  205         device_printf(dev, "cm=%p index=%d total_frame_size=%d "
  206             "extra_frames=%d\n", cm, cm->cm_index, cm->cm_total_frame_size,
  207             cm->cm_extra_frames);
  208         device_printf(dev, "flags=%b\n", cm->cm_flags,
  209             "\2"
  210             "\1MAPPED"
  211             "\2DATAIN"
  212             "\3DATAOUT"
  213             "\4COMPLETED"
  214             "\5POLLED"
  215             "\6Q_FREE"
  216             "\7Q_READY"
  217             "\10Q_BUSY");
  218 
  219         switch (cm->cm_frame->header.cmd) {
  220         case MFI_CMD_DCMD:
  221                 mfi_print_dcmd(sc, dev, cm);
  222                 break;
  223         case MFI_CMD_LD_READ:
  224         case MFI_CMD_LD_WRITE:
  225                 mfi_print_ldio(sc, dev, cm);
  226                 break;
  227         default:
  228                 mfi_print_generic_frame(sc, cm);
  229                 break;
  230         }
  231 
  232         return;
  233 }
  234 
  235 void
  236 mfi_dump_cmds(struct mfi_softc *sc)
  237 {
  238         int i;
  239 
  240         for (i = 0; i < sc->mfi_total_cmds; i++)
  241                 mfi_print_generic_frame(sc, &sc->mfi_commands[i]);
  242 }
  243 
  244 void
  245 mfi_validate_sg(struct mfi_softc *sc, struct mfi_command *cm,
  246         const char *function, int line)
  247 {
  248         struct mfi_frame_header *hdr;
  249         int i;
  250         uint32_t count = 0, data_len;
  251 
  252         hdr = &cm->cm_frame->header;
  253         count = 0;
  254         for (i = 0; i < hdr->sg_count; i++) {
  255                 if (hdr->flags & MFI_FRAME_IEEE_SGL)
  256                         count += cm->cm_sg->sg_skinny[i].len;
  257                 else if (hdr->flags & MFI_FRAME_SGL64)
  258                         count += cm->cm_sg->sg64[i].len;
  259                 else
  260                         count += cm->cm_sg->sg32[i].len;
  261         }
  262         /*
  263         count++;
  264         */
  265         data_len = hdr->data_len;
  266         switch (hdr->cmd) {
  267         case MFI_CMD_LD_READ:
  268         case MFI_CMD_LD_WRITE:
  269                 data_len = data_len * 512;
  270         case MFI_CMD_DCMD:
  271                 if (count != data_len) {
  272                         device_printf(sc->mfi_dev,
  273                             "%s %d COMMAND %p S/G count bad %d %d %d 0x%jx\n",
  274                             function, line, cm, count, data_len, cm->cm_len,
  275                             (intmax_t)pmap_kextract((vm_offset_t)cm->cm_data));
  276                         MFI_PRINT_CMD(cm);
  277                 }
  278         }
  279 }
  280 
  281 #endif

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FreeBSD/Linux Kernel Cross Reference sys/dev/mfi/mfi_debug.c

FreeBSD/Linux Kernel Cross Reference
sys/dev/mfi/mfi_debug.c