mfi_debug.c

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