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


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FreeBSD/Linux Kernel Cross Reference
sys/dev/mfi/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/10.0/sys/dev/mfi/mfi_debug.c 249257 2013-04-08 17:46:45Z markj $");
   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, MFI_FRAME_FMT);
   61 }
   62 
   63 static void
   64 mfi_print_sgl(struct mfi_frame_header *hdr, union mfi_sgl *sgl, int count)
   65 {
   66         int i, columns = 0;
   67 
   68         printf("SG List:\n");
   69         for (i = 0; i < count; i++) {
   70                 if (hdr->flags & MFI_FRAME_IEEE_SGL) {
   71                         printf("0x%lx:%06d ", (u_long)sgl->sg_skinny[i].addr,
   72                             sgl->sg_skinny[i].len);
   73                         columns += 26;
   74                         if (columns > 77) {
   75                                 printf("\n");
   76                                 columns = 0;
   77                         }
   78                 } else if (hdr->flags & MFI_FRAME_SGL64) {
   79                         printf("0x%lx:%06d ", (u_long)sgl->sg64[i].addr,
   80                             sgl->sg64[i].len);
   81                         columns += 26;
   82                         if (columns > 77) {
   83                                 printf("\n");
   84                                 columns = 0;
   85                         }
   86                 } else {
   87                         printf("0x%x:%06d ", sgl->sg32[i].addr,
   88                             sgl->sg32[i].len);
   89                         columns += 18;
   90                         if (columns > 71) {
   91                                 printf("\n");
   92                                 columns = 0;
   93                         }
   94                 }
   95         }
   96         if (columns != 0)
   97                 printf("\n");
   98 
   99 }
  100 
  101 static void
  102 mfi_print_ldio(struct mfi_softc *sc, device_t dev, struct mfi_command *cm)
  103 {
  104         struct mfi_io_frame *io;
  105         struct mfi_frame_header *hdr;
  106 
  107         io = &cm->cm_frame->io;
  108         hdr = &io->header;
  109 
  110         device_printf(dev, "cmd=%s target_id=%d sg_count=%d data_len=%d "
  111             "lba=%d\n", (hdr->cmd == MFI_CMD_LD_READ) ? "LD_READ":"LD_WRITE",
  112              hdr->target_id, hdr->sg_count, hdr->data_len, io->lba_lo);
  113         mfi_print_frame_flags(dev, hdr->flags);
  114         mfi_print_sgl(hdr, &io->sgl, hdr->sg_count);
  115 
  116 }
  117 
  118 static void
  119 mfi_print_dcmd(struct mfi_softc *sc, device_t dev, struct mfi_command *cm)
  120 {
  121         struct mfi_dcmd_frame *dcmd;
  122         struct mfi_frame_header *hdr;
  123         const char *opcode;
  124 
  125         dcmd = &cm->cm_frame->dcmd;
  126         hdr = &dcmd->header;
  127 
  128         switch (dcmd->opcode) {
  129         case MFI_DCMD_CTRL_GETINFO:
  130                 opcode = "CTRL_GETINFO";
  131                 break;
  132         case MFI_DCMD_CTRL_FLUSHCACHE:
  133                 opcode = "CTRL_FLUSHCACHE";
  134                 break;
  135         case MFI_DCMD_CTRL_SHUTDOWN:
  136                 opcode = "CTRL_SHUTDOWN";
  137                 break;
  138         case MFI_DCMD_CTRL_EVENT_GETINFO:
  139                 opcode = "EVENT_GETINFO";
  140                 break;
  141         case MFI_DCMD_CTRL_EVENT_GET:
  142                 opcode = "EVENT_GET";
  143                 break;
  144         case MFI_DCMD_CTRL_EVENT_WAIT:
  145                 opcode = "EVENT_WAIT";
  146                 break;
  147         case MFI_DCMD_LD_GET_LIST:
  148                 opcode = "LD_GET_LIST";
  149                 break;
  150         case MFI_DCMD_LD_GET_INFO:
  151                 opcode = "LD_GET_INFO";
  152                 break;
  153         case MFI_DCMD_LD_GET_PROP:
  154                 opcode = "LD_GET_PROP";
  155                 break;
  156         case MFI_DCMD_LD_SET_PROP:
  157                 opcode = "LD_SET_PROP";
  158                 break;
  159         case MFI_DCMD_CLUSTER:
  160                 opcode = "CLUSTER";
  161                 break;
  162         case MFI_DCMD_CLUSTER_RESET_ALL:
  163                 opcode = "CLUSTER_RESET_ALL";
  164                 break;
  165         case MFI_DCMD_CLUSTER_RESET_LD:
  166                 opcode = "CLUSTER_RESET_LD";
  167                 break;
  168         case MFI_DCMD_LD_MAP_GET_INFO:
  169                 opcode = "LD_MAP_GET_INFO";
  170                 break;
  171         case MFI_DCMD_BBU_START_LEARN:
  172                 opcode = "BBU_START_LEARN";
  173                 break;
  174         case MFI_DCMD_BBU_GET_PROP:
  175                 opcode = "BBU_GET_PROP";
  176                 break;
  177         case MFI_DCMD_BBU_SET_PROP:
  178                 opcode = "BBU_SET_PROP";
  179                 break;
  180         default:
  181                 opcode = "UNKNOWN";
  182                 break;
  183         }
  184 
  185         device_printf(dev, "cmd=MFI_CMD_DCMD opcode=%s data_len=%d\n",
  186             opcode, hdr->data_len);
  187         mfi_print_frame_flags(dev, hdr->flags);
  188         mfi_print_sgl(hdr, &dcmd->sgl, hdr->sg_count);
  189 
  190 }
  191 
  192 static void
  193 mfi_print_generic_frame(struct mfi_softc *sc, struct mfi_command *cm)
  194 {
  195         hexdump(cm->cm_frame, cm->cm_total_frame_size, NULL, HD_OMIT_CHARS);
  196 }
  197 
  198 void
  199 mfi_print_cmd(struct mfi_command *cm)
  200 {
  201         device_t dev;
  202         struct mfi_softc *sc;
  203 
  204         sc = cm->cm_sc;
  205         dev = sc->mfi_dev;
  206 
  207         device_printf(dev, "cm=%p index=%d total_frame_size=%d "
  208             "extra_frames=%d\n", cm, cm->cm_index, cm->cm_total_frame_size,
  209             cm->cm_extra_frames);
  210         device_printf(dev, "flags=%b\n", cm->cm_flags, MFI_CMD_FLAGS_FMT);
  211 
  212         switch (cm->cm_frame->header.cmd) {
  213         case MFI_CMD_DCMD:
  214                 mfi_print_dcmd(sc, dev, cm);
  215                 break;
  216         case MFI_CMD_LD_READ:
  217         case MFI_CMD_LD_WRITE:
  218                 mfi_print_ldio(sc, dev, cm);
  219                 break;
  220         default:
  221                 mfi_print_generic_frame(sc, cm);
  222                 break;
  223         }
  224 
  225         return;
  226 }
  227 
  228 void
  229 mfi_dump_cmds(struct mfi_softc *sc)
  230 {
  231         int i;
  232 
  233         for (i = 0; i < sc->mfi_max_fw_cmds; i++)
  234                 mfi_print_generic_frame(sc, &sc->mfi_commands[i]);
  235 }
  236 
  237 void
  238 mfi_validate_sg(struct mfi_softc *sc, struct mfi_command *cm,
  239         const char *function, int line)
  240 {
  241         struct mfi_frame_header *hdr;
  242         int i;
  243         uint32_t count = 0, data_len;
  244 
  245         hdr = &cm->cm_frame->header;
  246         count = 0;
  247         for (i = 0; i < hdr->sg_count; i++) {
  248                 if (hdr->flags & MFI_FRAME_IEEE_SGL)
  249                         count += cm->cm_sg->sg_skinny[i].len;
  250                 else if (hdr->flags & MFI_FRAME_SGL64)
  251                         count += cm->cm_sg->sg64[i].len;
  252                 else
  253                         count += cm->cm_sg->sg32[i].len;
  254         }
  255         /*
  256         count++;
  257         */
  258         data_len = hdr->data_len;
  259         switch (hdr->cmd) {
  260         case MFI_CMD_LD_READ:
  261         case MFI_CMD_LD_WRITE:
  262                 data_len = data_len * 512;
  263         case MFI_CMD_DCMD:
  264                 if (count != data_len) {
  265                         device_printf(sc->mfi_dev,
  266                             "%s %d COMMAND %p S/G count bad %d %d %d 0x%jx\n",
  267                             function, line, cm, count, data_len, cm->cm_len,
  268                             (intmax_t)pmap_kextract((vm_offset_t)cm->cm_data));
  269                         MFI_PRINT_CMD(cm);
  270                 }
  271         }
  272 }
  273 
  274 #endif

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