sys/dev/raid/mfi/mfi_debug.c

   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  * $FreeBSD: src/sys/dev/mfi/mfi_debug.c,v 1.3 2006/10/16 04:18:38 scottl Exp $
  27  * FreeBSD projects/head_mfi/ r228320
  28  */
  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/buf2.h>
  40 #include <sys/lock.h>
  41 #include <sys/mutex.h>
  42 #include <sys/malloc.h>
  43 #include <sys/taskqueue.h>
  44 #include <sys/uio.h>
  45
  46 #include <vm/vm.h>
  47 #include <vm/pmap.h>
  48
  49 #include <dev/raid/mfi/mfireg.h>
  50 #include <dev/raid/mfi/mfi_ioctl.h>
  51 #include <dev/raid/mfi/mfivar.h>
  52
  53 static void
  54 mfi_print_frame_flags(device_t dev, uint32_t flags)
  55 {
  56         device_printf(dev, "flags=%b\n", flags,
  57             "\20"
  58             "\1NOPOST"
  59             "\2SGL64"
  60             "\3SENSE64"
  61             "\4WRITE"
  62             "\5READ"
  63             "\6IEEESGL");
  64 }
  65
  66 static void
  67 mfi_print_sgl(struct mfi_frame_header *hdr, union mfi_sgl *sgl, int count)
  68 {
  69         int i, columns = 0;
  70
  71         kprintf("SG List:\n");
  72         for (i = 0; i < count; i++) {
  73                 if (hdr->flags & MFI_FRAME_IEEE_SGL) {
  74                         kprintf("0x%lx:%06d ", (u_long)sgl->sg_skinny[i].addr,
  75                             sgl->sg_skinny[i].len);
  76                         columns += 26;
  77                         if (columns > 77) {
  78                                 kprintf("\n");
  79                                 columns = 0;
  80                         }
  81                 } else if (hdr->flags & MFI_FRAME_SGL64) {
  82                         kprintf("0x%lx:%06d ", (u_long)sgl->sg64[i].addr,
  83                             sgl->sg64[i].len);
  84                         columns += 26;
  85                         if (columns > 77) {
  86                                 kprintf("\n");
  87                                 columns = 0;
  88                         }
  89                 } else {
  90                         kprintf("0x%x:%06d ", sgl->sg32[i].addr,
  91                             sgl->sg32[i].len);
  92                         columns += 18;
  93                         if (columns > 71) {
  94                                 kprintf("\n");
  95                                 columns = 0;
  96                         }
  97                 }
  98         }
  99         if (columns != 0)
 100                 kprintf("\n");
 101
 102 }
 103
 104 static void
 105 mfi_print_ldio(struct mfi_softc *sc, device_t dev, struct mfi_command *cm)
 106 {
 107         struct mfi_io_frame *io;
 108         struct mfi_frame_header *hdr;
 109
 110         io = &cm->cm_frame->io;
 111         hdr = &io->header;
 112
 113         device_printf(dev, "cmd=%s target_id=%d sg_count=%d data_len=%d "
 114             "lba=%d\n", (hdr->cmd == MFI_CMD_LD_READ) ? "LD_READ":"LD_WRITE",
 115              hdr->target_id, hdr->sg_count, hdr->data_len, io->lba_lo);
 116         mfi_print_frame_flags(dev, hdr->flags);
 117         mfi_print_sgl(hdr, &io->sgl, hdr->sg_count);
 118
 119 }
 120
 121 static void
 122 mfi_print_dcmd(struct mfi_softc *sc, device_t dev, struct mfi_command *cm)
 123 {
 124         struct mfi_dcmd_frame *dcmd;
 125         struct mfi_frame_header *hdr;
 126         const char *opcode;
 127
 128         dcmd = &cm->cm_frame->dcmd;
 129         hdr = &dcmd->header;
 130
 131         switch (dcmd->opcode) {
 132         case MFI_DCMD_CTRL_GETINFO:
 133                 opcode = "CTRL_GETINFO";
 134                 break;
 135         case MFI_DCMD_CTRL_FLUSHCACHE:
 136                 opcode = "CTRL_FLUSHCACHE";
 137                 break;
 138         case MFI_DCMD_CTRL_SHUTDOWN:
 139                 opcode = "CTRL_SHUTDOWN";
 140                 break;
 141         case MFI_DCMD_CTRL_EVENT_GETINFO:
 142                 opcode = "EVENT_GETINFO";
 143                 break;
 144         case MFI_DCMD_CTRL_EVENT_GET:
 145                 opcode = "EVENT_GET";
 146                 break;
 147         case MFI_DCMD_CTRL_EVENT_WAIT:
 148                 opcode = "EVENT_WAIT";
 149                 break;
 150         case MFI_DCMD_LD_GET_LIST:
 151                 opcode = "LD_GET_LIST";
 152                 break;
 153         case MFI_DCMD_LD_GET_INFO:
 154                 opcode = "LD_GET_INFO";
 155                 break;
 156         case MFI_DCMD_LD_GET_PROP:
 157                 opcode = "LD_GET_PROP";
 158                 break;
 159         case MFI_DCMD_LD_SET_PROP:
 160                 opcode = "LD_SET_PROP";
 161                 break;
 162         case MFI_DCMD_CLUSTER:
 163                 opcode = "CLUSTER";
 164                 break;
 165         case MFI_DCMD_CLUSTER_RESET_ALL:
 166                 opcode = "CLUSTER_RESET_ALL";
 167                 break;
 168         case MFI_DCMD_CLUSTER_RESET_LD:
 169                 opcode = "CLUSTER_RESET_LD";
 170                 break;
 171         default:
 172                 opcode = "UNKNOWN";
 173                 break;
 174         }
 175
 176         device_printf(dev, "cmd=MFI_CMD_DCMD opcode=%s data_len=%d\n",
 177             opcode, hdr->data_len);
 178         mfi_print_frame_flags(dev, hdr->flags);
 179         mfi_print_sgl(hdr, &dcmd->sgl, hdr->sg_count);
 180
 181 }
 182
 183 static void
 184 mfi_print_generic_frame(struct mfi_softc *sc, struct mfi_command *cm)
 185 {
 186         hexdump(cm->cm_frame, cm->cm_total_frame_size, NULL, HD_OMIT_CHARS);
 187 }
 188
 189 void
 190 mfi_print_cmd(struct mfi_command *cm)
 191 {
 192         device_t dev;
 193         struct mfi_softc *sc;
 194
 195         sc = cm->cm_sc;
 196         dev = sc->mfi_dev;
 197
 198         device_printf(dev, "cm=%p index=%d total_frame_size=%d "
 199             "extra_frames=%d\n", cm, cm->cm_index, cm->cm_total_frame_size,
 200             cm->cm_extra_frames);
 201         device_printf(dev, "flags=%b\n", cm->cm_flags,
 202             "\20"
 203             "\1MAPPED"
 204             "\2DATAIN"
 205             "\3DATAOUT"
 206             "\4COMPLETED"
 207             "\5POLLED"
 208             "\6Q_FREE"
 209             "\7Q_READY"
 210             "\10Q_BUSY");
 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_total_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