Pileus Git - ~andy/linux/blob - drivers/scsi/qla4xxx/ql4_mbx.c

   1 /*
   2  * QLogic iSCSI HBA Driver
   3  * Copyright (c)  2003-2012 QLogic Corporation
   4  *
   5  * See LICENSE.qla4xxx for copyright and licensing details.
   6  */
   7
   8 #include "ql4_def.h"
   9 #include "ql4_glbl.h"
  10 #include "ql4_dbg.h"
  11 #include "ql4_inline.h"
  12 #include "ql4_version.h"
  13
  14 void qla4xxx_queue_mbox_cmd(struct scsi_qla_host *ha, uint32_t *mbx_cmd,
  15                             int in_count)
  16 {
  17         int i;
  18
  19         /* Load all mailbox registers, except mailbox 0. */
  20         for (i = 1; i < in_count; i++)
  21                 writel(mbx_cmd[i], &ha->reg->mailbox[i]);
  22
  23         /* Wakeup firmware  */
  24         writel(mbx_cmd[0], &ha->reg->mailbox[0]);
  25         readl(&ha->reg->mailbox[0]);
  26         writel(set_rmask(CSR_INTR_RISC), &ha->reg->ctrl_status);
  27         readl(&ha->reg->ctrl_status);
  28 }
  29
  30 void qla4xxx_process_mbox_intr(struct scsi_qla_host *ha, int out_count)
  31 {
  32         int intr_status;
  33
  34         intr_status = readl(&ha->reg->ctrl_status);
  35         if (intr_status & INTR_PENDING) {
  36                 /*
  37                  * Service the interrupt.
  38                  * The ISR will save the mailbox status registers
  39                  * to a temporary storage location in the adapter structure.
  40                  */
  41                 ha->mbox_status_count = out_count;
  42                 ha->isp_ops->interrupt_service_routine(ha, intr_status);
  43         }
  44 }
  45
  46 /**
  47  * qla4xxx_mailbox_command - issues mailbox commands
  48  * @ha: Pointer to host adapter structure.
  49  * @inCount: number of mailbox registers to load.
  50  * @outCount: number of mailbox registers to return.
  51  * @mbx_cmd: data pointer for mailbox in registers.
  52  * @mbx_sts: data pointer for mailbox out registers.
  53  *
  54  * This routine issue mailbox commands and waits for completion.
  55  * If outCount is 0, this routine completes successfully WITHOUT waiting
  56  * for the mailbox command to complete.
  57  **/
  58 int qla4xxx_mailbox_command(struct scsi_qla_host *ha, uint8_t inCount,
  59                             uint8_t outCount, uint32_t *mbx_cmd,
  60                             uint32_t *mbx_sts)
  61 {
  62         int status = QLA_ERROR;
  63         uint8_t i;
  64         u_long wait_count;
  65         unsigned long flags = 0;
  66         uint32_t dev_state;
  67
  68         /* Make sure that pointers are valid */
  69         if (!mbx_cmd || !mbx_sts) {
  70                 DEBUG2(printk("scsi%ld: %s: Invalid mbx_cmd or mbx_sts "
  71                               "pointer\n", ha->host_no, __func__));
  72                 return status;
  73         }
  74
  75         if (is_qla40XX(ha)) {
  76                 if (test_bit(AF_HA_REMOVAL, &ha->flags)) {
  77                         DEBUG2(ql4_printk(KERN_WARNING, ha, "scsi%ld: %s: "
  78                                           "prematurely completing mbx cmd as "
  79                                           "adapter removal detected\n",
  80                                           ha->host_no, __func__));
  81                         return status;
  82                 }
  83         }
  84
  85         if ((is_aer_supported(ha)) &&
  86             (test_bit(AF_PCI_CHANNEL_IO_PERM_FAILURE, &ha->flags))) {
  87                 DEBUG2(printk(KERN_WARNING "scsi%ld: %s: Perm failure on EEH, "
  88                     "timeout MBX Exiting.\n", ha->host_no, __func__));
  89                 return status;
  90         }
  91
  92         /* Mailbox code active */
  93         wait_count = MBOX_TOV * 100;
  94
  95         while (wait_count--) {
  96                 mutex_lock(&ha->mbox_sem);
  97                 if (!test_bit(AF_MBOX_COMMAND, &ha->flags)) {
  98                         set_bit(AF_MBOX_COMMAND, &ha->flags);
  99                         mutex_unlock(&ha->mbox_sem);
 100                         break;
 101                 }
 102                 mutex_unlock(&ha->mbox_sem);
 103                 if (!wait_count) {
 104                         DEBUG2(printk("scsi%ld: %s: mbox_sem failed\n",
 105                                 ha->host_no, __func__));
 106                         return status;
 107                 }
 108                 msleep(10);
 109         }
 110
 111         if (is_qla80XX(ha)) {
 112                 if (test_bit(AF_FW_RECOVERY, &ha->flags)) {
 113                         DEBUG2(ql4_printk(KERN_WARNING, ha,
 114                                           "scsi%ld: %s: prematurely completing mbx cmd as firmware recovery detected\n",
 115                                           ha->host_no, __func__));
 116                         goto mbox_exit;
 117                 }
 118                 /* Do not send any mbx cmd if h/w is in failed state*/
 119                 ha->isp_ops->idc_lock(ha);
 120                 dev_state = qla4_8xxx_rd_direct(ha, QLA8XXX_CRB_DEV_STATE);
 121                 ha->isp_ops->idc_unlock(ha);
 122                 if (dev_state == QLA8XXX_DEV_FAILED) {
 123                         ql4_printk(KERN_WARNING, ha,
 124                                    "scsi%ld: %s: H/W is in failed state, do not send any mailbox commands\n",
 125                                    ha->host_no, __func__);
 126                         goto mbox_exit;
 127                 }
 128         }
 129
 130         spin_lock_irqsave(&ha->hardware_lock, flags);
 131
 132         ha->mbox_status_count = outCount;
 133         for (i = 0; i < outCount; i++)
 134                 ha->mbox_status[i] = 0;
 135
 136         /* Queue the mailbox command to the firmware */
 137         ha->isp_ops->queue_mailbox_command(ha, mbx_cmd, inCount);
 138
 139         spin_unlock_irqrestore(&ha->hardware_lock, flags);
 140
 141         /* Wait for completion */
 142
 143         /*
 144          * If we don't want status, don't wait for the mailbox command to
 145          * complete.  For example, MBOX_CMD_RESET_FW doesn't return status,
 146          * you must poll the inbound Interrupt Mask for completion.
 147          */
 148         if (outCount == 0) {
 149                 status = QLA_SUCCESS;
 150                 goto mbox_exit;
 151         }
 152
 153         /*
 154          * Wait for completion: Poll or completion queue
 155          */
 156         if (test_bit(AF_IRQ_ATTACHED, &ha->flags) &&
 157             test_bit(AF_INTERRUPTS_ON, &ha->flags) &&
 158             test_bit(AF_ONLINE, &ha->flags) &&
 159             !test_bit(AF_HA_REMOVAL, &ha->flags)) {
 160                 /* Do not poll for completion. Use completion queue */
 161                 set_bit(AF_MBOX_COMMAND_NOPOLL, &ha->flags);
 162                 wait_for_completion_timeout(&ha->mbx_intr_comp, MBOX_TOV * HZ);
 163                 clear_bit(AF_MBOX_COMMAND_NOPOLL, &ha->flags);
 164         } else {
 165                 /* Poll for command to complete */
 166                 wait_count = jiffies + MBOX_TOV * HZ;
 167                 while (test_bit(AF_MBOX_COMMAND_DONE, &ha->flags) == 0) {
 168                         if (time_after_eq(jiffies, wait_count))
 169                                 break;
 170
 171                         /*
 172                          * Service the interrupt.
 173                          * The ISR will save the mailbox status registers
 174                          * to a temporary storage location in the adapter
 175                          * structure.
 176                          */
 177
 178                         spin_lock_irqsave(&ha->hardware_lock, flags);
 179                         ha->isp_ops->process_mailbox_interrupt(ha, outCount);
 180                         spin_unlock_irqrestore(&ha->hardware_lock, flags);
 181                         msleep(10);
 182                 }
 183         }
 184
 185         /* Check for mailbox timeout. */
 186         if (!test_bit(AF_MBOX_COMMAND_DONE, &ha->flags)) {
 187                 if (is_qla80XX(ha) &&
 188                     test_bit(AF_FW_RECOVERY, &ha->flags)) {
 189                         DEBUG2(ql4_printk(KERN_INFO, ha,
 190                             "scsi%ld: %s: prematurely completing mbx cmd as "
 191                             "firmware recovery detected\n",
 192                             ha->host_no, __func__));
 193                         goto mbox_exit;
 194                 }
 195                 DEBUG2(printk("scsi%ld: Mailbox Cmd 0x%08X timed out ...,"
 196                               " Scheduling Adapter Reset\n", ha->host_no,
 197                               mbx_cmd[0]));
 198                 ha->mailbox_timeout_count++;
 199                 mbx_sts[0] = (-1);
 200                 set_bit(DPC_RESET_HA, &ha->dpc_flags);
 201                 if (is_qla8022(ha)) {
 202                         ql4_printk(KERN_INFO, ha,
 203                                    "disabling pause transmit on port 0 & 1.\n");
 204                         qla4_82xx_wr_32(ha, QLA82XX_CRB_NIU + 0x98,
 205                                         CRB_NIU_XG_PAUSE_CTL_P0 |
 206                                         CRB_NIU_XG_PAUSE_CTL_P1);
 207                 } else if (is_qla8032(ha)) {
 208                         ql4_printk(KERN_INFO, ha, " %s: disabling pause transmit on port 0 & 1.\n",
 209                                    __func__);
 210                         qla4_83xx_disable_pause(ha);
 211                 }
 212                 goto mbox_exit;
 213         }
 214
 215         /*
 216          * Copy the mailbox out registers to the caller's mailbox in/out
 217          * structure.
 218          */
 219         spin_lock_irqsave(&ha->hardware_lock, flags);
 220         for (i = 0; i < outCount; i++)
 221                 mbx_sts[i] = ha->mbox_status[i];
 222
 223         /* Set return status and error flags (if applicable). */
 224         switch (ha->mbox_status[0]) {
 225         case MBOX_STS_COMMAND_COMPLETE:
 226                 status = QLA_SUCCESS;
 227                 break;
 228
 229         case MBOX_STS_INTERMEDIATE_COMPLETION:
 230                 status = QLA_SUCCESS;
 231                 break;
 232
 233         case MBOX_STS_BUSY:
 234                 DEBUG2( printk("scsi%ld: %s: Cmd = %08X, ISP BUSY\n",
 235                                ha->host_no, __func__, mbx_cmd[0]));
 236                 ha->mailbox_timeout_count++;
 237                 break;
 238
 239         default:
 240                 DEBUG2(printk("scsi%ld: %s: **** FAILED, cmd = %08X, "
 241                               "sts = %08X ****\n", ha->host_no, __func__,
 242                               mbx_cmd[0], mbx_sts[0]));
 243                 break;
 244         }
 245         spin_unlock_irqrestore(&ha->hardware_lock, flags);
 246
 247 mbox_exit:
 248         mutex_lock(&ha->mbox_sem);
 249         clear_bit(AF_MBOX_COMMAND, &ha->flags);
 250         mutex_unlock(&ha->mbox_sem);
 251         clear_bit(AF_MBOX_COMMAND_DONE, &ha->flags);
 252
 253         return status;
 254 }
 255
 256 /**
 257  * qla4xxx_get_minidump_template - Get the firmware template
 258  * @ha: Pointer to host adapter structure.
 259  * @phys_addr: dma address for template
 260  *
 261  * Obtain the minidump template from firmware during initialization
 262  * as it may not be available when minidump is desired.
 263  **/
 264 int qla4xxx_get_minidump_template(struct scsi_qla_host *ha,
 265                                   dma_addr_t phys_addr)
 266 {
 267         uint32_t mbox_cmd[MBOX_REG_COUNT];
 268         uint32_t mbox_sts[MBOX_REG_COUNT];
 269         int status;
 270
 271         memset(&mbox_cmd, 0, sizeof(mbox_cmd));
 272         memset(&mbox_sts, 0, sizeof(mbox_sts));
 273
 274         mbox_cmd[0] = MBOX_CMD_MINIDUMP;
 275         mbox_cmd[1] = MINIDUMP_GET_TMPLT_SUBCOMMAND;
 276         mbox_cmd[2] = LSDW(phys_addr);
 277         mbox_cmd[3] = MSDW(phys_addr);
 278         mbox_cmd[4] = ha->fw_dump_tmplt_size;
 279         mbox_cmd[5] = 0;
 280
 281         status = qla4xxx_mailbox_command(ha, MBOX_REG_COUNT, 2, &mbox_cmd[0],
 282                                          &mbox_sts[0]);
 283         if (status != QLA_SUCCESS) {
 284                 DEBUG2(ql4_printk(KERN_INFO, ha,
 285                                   "scsi%ld: %s: Cmd = %08X, mbx[0] = 0x%04x, mbx[1] = 0x%04x\n",
 286                                   ha->host_no, __func__, mbox_cmd[0],
 287                                   mbox_sts[0], mbox_sts[1]));
 288         }
 289         return status;
 290 }
 291
 292 /**
 293  * qla4xxx_req_template_size - Get minidump template size from firmware.
 294  * @ha: Pointer to host adapter structure.
 295  **/
 296 int qla4xxx_req_template_size(struct scsi_qla_host *ha)
 297 {
 298         uint32_t mbox_cmd[MBOX_REG_COUNT];
 299         uint32_t mbox_sts[MBOX_REG_COUNT];
 300         int status;
 301
 302         memset(&mbox_cmd, 0, sizeof(mbox_cmd));
 303         memset(&mbox_sts, 0, sizeof(mbox_sts));
 304
 305         mbox_cmd[0] = MBOX_CMD_MINIDUMP;
 306         mbox_cmd[1] = MINIDUMP_GET_SIZE_SUBCOMMAND;
 307
 308         status = qla4xxx_mailbox_command(ha, MBOX_REG_COUNT, 8, &mbox_cmd[0],
 309                                          &mbox_sts[0]);
 310         if (status == QLA_SUCCESS) {
 311                 ha->fw_dump_tmplt_size = mbox_sts[1];
 312                 DEBUG2(ql4_printk(KERN_INFO, ha,
 313                                   "%s: sts[0]=0x%04x, template  size=0x%04x, size_cm_02=0x%04x, size_cm_04=0x%04x, size_cm_08=0x%04x, size_cm_10=0x%04x, size_cm_FF=0x%04x, version=0x%04x\n",
 314                                   __func__, mbox_sts[0], mbox_sts[1],
 315                                   mbox_sts[2], mbox_sts[3], mbox_sts[4],
 316                                   mbox_sts[5], mbox_sts[6], mbox_sts[7]));
 317                 if (ha->fw_dump_tmplt_size == 0)
 318                         status = QLA_ERROR;
 319         } else {
 320                 ql4_printk(KERN_WARNING, ha,
 321                            "%s: Error sts[0]=0x%04x, mbx[1]=0x%04x\n",
 322                            __func__, mbox_sts[0], mbox_sts[1]);
 323                 status = QLA_ERROR;
 324         }
 325
 326         return status;
 327 }
 328
 329 void qla4xxx_mailbox_premature_completion(struct scsi_qla_host *ha)
 330 {
 331         set_bit(AF_FW_RECOVERY, &ha->flags);
 332         ql4_printk(KERN_INFO, ha, "scsi%ld: %s: set FW RECOVERY!\n",
 333             ha->host_no, __func__);
 334
 335         if (test_bit(AF_MBOX_COMMAND, &ha->flags)) {
 336                 if (test_bit(AF_MBOX_COMMAND_NOPOLL, &ha->flags)) {
 337                         complete(&ha->mbx_intr_comp);
 338                         ql4_printk(KERN_INFO, ha, "scsi%ld: %s: Due to fw "
 339                             "recovery, doing premature completion of "
 340                             "mbx cmd\n", ha->host_no, __func__);
 341
 342                 } else {
 343                         set_bit(AF_MBOX_COMMAND_DONE, &ha->flags);
 344                         ql4_printk(KERN_INFO, ha, "scsi%ld: %s: Due to fw "
 345                             "recovery, doing premature completion of "
 346                             "polling mbx cmd\n", ha->host_no, __func__);
 347                 }
 348         }
 349 }
 350
 351 static uint8_t
 352 qla4xxx_set_ifcb(struct scsi_qla_host *ha, uint32_t *mbox_cmd,
 353                  uint32_t *mbox_sts, dma_addr_t init_fw_cb_dma)
 354 {
 355         memset(mbox_cmd, 0, sizeof(mbox_cmd[0]) * MBOX_REG_COUNT);
 356         memset(mbox_sts, 0, sizeof(mbox_sts[0]) * MBOX_REG_COUNT);
 357
 358         if (is_qla8022(ha))
 359                 qla4_82xx_wr_32(ha, ha->nx_db_wr_ptr, 0);
 360
 361         mbox_cmd[0] = MBOX_CMD_INITIALIZE_FIRMWARE;
 362         mbox_cmd[1] = 0;
 363         mbox_cmd[2] = LSDW(init_fw_cb_dma);
 364         mbox_cmd[3] = MSDW(init_fw_cb_dma);
 365         mbox_cmd[4] = sizeof(struct addr_ctrl_blk);
 366         mbox_cmd[5] = (IFCB_VER_MAX << 8) | IFCB_VER_MIN;
 367
 368         if (qla4xxx_mailbox_command(ha, 6, 6, mbox_cmd, mbox_sts) !=
 369             QLA_SUCCESS) {
 370                 DEBUG2(printk(KERN_WARNING "scsi%ld: %s: "
 371                               "MBOX_CMD_INITIALIZE_FIRMWARE"
 372                               " failed w/ status %04X\n",
 373                               ha->host_no, __func__, mbox_sts[0]));
 374                 return QLA_ERROR;
 375         }
 376         return QLA_SUCCESS;
 377 }
 378
 379 uint8_t
 380 qla4xxx_get_ifcb(struct scsi_qla_host *ha, uint32_t *mbox_cmd,
 381                  uint32_t *mbox_sts, dma_addr_t init_fw_cb_dma)
 382 {
 383         memset(mbox_cmd, 0, sizeof(mbox_cmd[0]) * MBOX_REG_COUNT);
 384         memset(mbox_sts, 0, sizeof(mbox_sts[0]) * MBOX_REG_COUNT);
 385         mbox_cmd[0] = MBOX_CMD_GET_INIT_FW_CTRL_BLOCK;
 386         mbox_cmd[2] = LSDW(init_fw_cb_dma);
 387         mbox_cmd[3] = MSDW(init_fw_cb_dma);
 388         mbox_cmd[4] = sizeof(struct addr_ctrl_blk);
 389
 390         if (qla4xxx_mailbox_command(ha, 5, 5, mbox_cmd, mbox_sts) !=
 391             QLA_SUCCESS) {
 392                 DEBUG2(printk(KERN_WARNING "scsi%ld: %s: "
 393                               "MBOX_CMD_GET_INIT_FW_CTRL_BLOCK"
 394                               " failed w/ status %04X\n",
 395                               ha->host_no, __func__, mbox_sts[0]));
 396                 return QLA_ERROR;
 397         }
 398         return QLA_SUCCESS;
 399 }
 400
 401 static void
 402 qla4xxx_update_local_ip(struct scsi_qla_host *ha,
 403                         struct addr_ctrl_blk *init_fw_cb)
 404 {
 405         ha->ip_config.tcp_options = le16_to_cpu(init_fw_cb->ipv4_tcp_opts);
 406         ha->ip_config.ipv4_options = le16_to_cpu(init_fw_cb->ipv4_ip_opts);
 407         ha->ip_config.ipv4_addr_state =
 408                                 le16_to_cpu(init_fw_cb->ipv4_addr_state);
 409         ha->ip_config.eth_mtu_size =
 410                                 le16_to_cpu(init_fw_cb->eth_mtu_size);
 411         ha->ip_config.ipv4_port = le16_to_cpu(init_fw_cb->ipv4_port);
 412
 413         if (ha->acb_version == ACB_SUPPORTED) {
 414                 ha->ip_config.ipv6_options = le16_to_cpu(init_fw_cb->ipv6_opts);
 415                 ha->ip_config.ipv6_addl_options =
 416                                 le16_to_cpu(init_fw_cb->ipv6_addtl_opts);
 417         }
 418
 419         /* Save IPv4 Address Info */
 420         memcpy(ha->ip_config.ip_address, init_fw_cb->ipv4_addr,
 421                min(sizeof(ha->ip_config.ip_address),
 422                    sizeof(init_fw_cb->ipv4_addr)));
 423         memcpy(ha->ip_config.subnet_mask, init_fw_cb->ipv4_subnet,
 424                min(sizeof(ha->ip_config.subnet_mask),
 425                    sizeof(init_fw_cb->ipv4_subnet)));
 426         memcpy(ha->ip_config.gateway, init_fw_cb->ipv4_gw_addr,
 427                min(sizeof(ha->ip_config.gateway),
 428                    sizeof(init_fw_cb->ipv4_gw_addr)));
 429
 430         ha->ip_config.ipv4_vlan_tag = be16_to_cpu(init_fw_cb->ipv4_vlan_tag);
 431
 432         if (is_ipv6_enabled(ha)) {
 433                 /* Save IPv6 Address */
 434                 ha->ip_config.ipv6_link_local_state =
 435                         le16_to_cpu(init_fw_cb->ipv6_lnk_lcl_addr_state);
 436                 ha->ip_config.ipv6_addr0_state =
 437                                 le16_to_cpu(init_fw_cb->ipv6_addr0_state);
 438                 ha->ip_config.ipv6_addr1_state =
 439                                 le16_to_cpu(init_fw_cb->ipv6_addr1_state);
 440                 ha->ip_config.ipv6_default_router_state =
 441                                 le16_to_cpu(init_fw_cb->ipv6_dflt_rtr_state);
 442                 ha->ip_config.ipv6_link_local_addr.in6_u.u6_addr8[0] = 0xFE;
 443                 ha->ip_config.ipv6_link_local_addr.in6_u.u6_addr8[1] = 0x80;
 444
 445                 memcpy(&ha->ip_config.ipv6_link_local_addr.in6_u.u6_addr8[8],
 446                        init_fw_cb->ipv6_if_id,
 447                        min(sizeof(ha->ip_config.ipv6_link_local_addr)/2,
 448                            sizeof(init_fw_cb->ipv6_if_id)));
 449                 memcpy(&ha->ip_config.ipv6_addr0, init_fw_cb->ipv6_addr0,
 450                        min(sizeof(ha->ip_config.ipv6_addr0),
 451                            sizeof(init_fw_cb->ipv6_addr0)));
 452                 memcpy(&ha->ip_config.ipv6_addr1, init_fw_cb->ipv6_addr1,
 453                        min(sizeof(ha->ip_config.ipv6_addr1),
 454                            sizeof(init_fw_cb->ipv6_addr1)));
 455                 memcpy(&ha->ip_config.ipv6_default_router_addr,
 456                        init_fw_cb->ipv6_dflt_rtr_addr,
 457                        min(sizeof(ha->ip_config.ipv6_default_router_addr),
 458                            sizeof(init_fw_cb->ipv6_dflt_rtr_addr)));
 459                 ha->ip_config.ipv6_vlan_tag =
 460                                 be16_to_cpu(init_fw_cb->ipv6_vlan_tag);
 461                 ha->ip_config.ipv6_port = le16_to_cpu(init_fw_cb->ipv6_port);
 462         }
 463 }
 464
 465 uint8_t
 466 qla4xxx_update_local_ifcb(struct scsi_qla_host *ha,
 467                           uint32_t *mbox_cmd,
 468                           uint32_t *mbox_sts,
 469                           struct addr_ctrl_blk  *init_fw_cb,
 470                           dma_addr_t init_fw_cb_dma)
 471 {
 472         if (qla4xxx_get_ifcb(ha, mbox_cmd, mbox_sts, init_fw_cb_dma)
 473             != QLA_SUCCESS) {
 474                 DEBUG2(printk(KERN_WARNING
 475                               "scsi%ld: %s: Failed to get init_fw_ctrl_blk\n",
 476                               ha->host_no, __func__));
 477                 return QLA_ERROR;
 478         }
 479
 480         DEBUG2(qla4xxx_dump_buffer(init_fw_cb, sizeof(struct addr_ctrl_blk)));
 481
 482         /* Save some info in adapter structure. */
 483         ha->acb_version = init_fw_cb->acb_version;
 484         ha->firmware_options = le16_to_cpu(init_fw_cb->fw_options);
 485         ha->heartbeat_interval = init_fw_cb->hb_interval;
 486         memcpy(ha->name_string, init_fw_cb->iscsi_name,
 487                 min(sizeof(ha->name_string),
 488                 sizeof(init_fw_cb->iscsi_name)));
 489         ha->def_timeout = le16_to_cpu(init_fw_cb->def_timeout);
 490         /*memcpy(ha->alias, init_fw_cb->Alias,
 491                min(sizeof(ha->alias), sizeof(init_fw_cb->Alias)));*/
 492
 493         qla4xxx_update_local_ip(ha, init_fw_cb);
 494
 495         return QLA_SUCCESS;
 496 }
 497
 498 /**
 499  * qla4xxx_initialize_fw_cb - initializes firmware control block.
 500  * @ha: Pointer to host adapter structure.
 501  **/
 502 int qla4xxx_initialize_fw_cb(struct scsi_qla_host * ha)
 503 {
 504         struct addr_ctrl_blk *init_fw_cb;
 505         dma_addr_t init_fw_cb_dma;
 506         uint32_t mbox_cmd[MBOX_REG_COUNT];
 507         uint32_t mbox_sts[MBOX_REG_COUNT];
 508         int status = QLA_ERROR;
 509
 510         init_fw_cb = dma_alloc_coherent(&ha->pdev->dev,
 511                                         sizeof(struct addr_ctrl_blk),
 512                                         &init_fw_cb_dma, GFP_KERNEL);
 513         if (init_fw_cb == NULL) {
 514                 DEBUG2(printk("scsi%ld: %s: Unable to alloc init_cb\n",
 515                               ha->host_no, __func__));
 516                 goto exit_init_fw_cb_no_free;
 517         }
 518         memset(init_fw_cb, 0, sizeof(struct addr_ctrl_blk));
 519
 520         /* Get Initialize Firmware Control Block. */
 521         memset(&mbox_cmd, 0, sizeof(mbox_cmd));
 522         memset(&mbox_sts, 0, sizeof(mbox_sts));
 523
 524         if (qla4xxx_get_ifcb(ha, &mbox_cmd[0], &mbox_sts[0], init_fw_cb_dma) !=
 525             QLA_SUCCESS) {
 526                 dma_free_coherent(&ha->pdev->dev,
 527                                   sizeof(struct addr_ctrl_blk),
 528                                   init_fw_cb, init_fw_cb_dma);
 529                 goto exit_init_fw_cb;
 530         }
 531
 532         /* Initialize request and response queues. */
 533         qla4xxx_init_rings(ha);
 534
 535         /* Fill in the request and response queue information. */
 536         init_fw_cb->rqq_consumer_idx = cpu_to_le16(ha->request_out);
 537         init_fw_cb->compq_producer_idx = cpu_to_le16(ha->response_in);
 538         init_fw_cb->rqq_len = __constant_cpu_to_le16(REQUEST_QUEUE_DEPTH);
 539         init_fw_cb->compq_len = __constant_cpu_to_le16(RESPONSE_QUEUE_DEPTH);
 540         init_fw_cb->rqq_addr_lo = cpu_to_le32(LSDW(ha->request_dma));
 541         init_fw_cb->rqq_addr_hi = cpu_to_le32(MSDW(ha->request_dma));
 542         init_fw_cb->compq_addr_lo = cpu_to_le32(LSDW(ha->response_dma));
 543         init_fw_cb->compq_addr_hi = cpu_to_le32(MSDW(ha->response_dma));
 544         init_fw_cb->shdwreg_addr_lo = cpu_to_le32(LSDW(ha->shadow_regs_dma));
 545         init_fw_cb->shdwreg_addr_hi = cpu_to_le32(MSDW(ha->shadow_regs_dma));
 546
 547         /* Set up required options. */
 548         init_fw_cb->fw_options |=
 549                 __constant_cpu_to_le16(FWOPT_SESSION_MODE |
 550                                        FWOPT_INITIATOR_MODE);
 551
 552         if (is_qla80XX(ha))
 553                 init_fw_cb->fw_options |=
 554                     __constant_cpu_to_le16(FWOPT_ENABLE_CRBDB);
 555
 556         init_fw_cb->fw_options &= __constant_cpu_to_le16(~FWOPT_TARGET_MODE);
 557
 558         init_fw_cb->add_fw_options = 0;
 559         init_fw_cb->add_fw_options |=
 560                         __constant_cpu_to_le16(ADFWOPT_SERIALIZE_TASK_MGMT);
 561         init_fw_cb->add_fw_options |=
 562                         __constant_cpu_to_le16(ADFWOPT_AUTOCONN_DISABLE);
 563
 564         if (qla4xxx_set_ifcb(ha, &mbox_cmd[0], &mbox_sts[0], init_fw_cb_dma)
 565                 != QLA_SUCCESS) {
 566                 DEBUG2(printk(KERN_WARNING
 567                               "scsi%ld: %s: Failed to set init_fw_ctrl_blk\n",
 568                               ha->host_no, __func__));
 569                 goto exit_init_fw_cb;
 570         }
 571
 572         if (qla4xxx_update_local_ifcb(ha, &mbox_cmd[0], &mbox_sts[0],
 573                 init_fw_cb, init_fw_cb_dma) != QLA_SUCCESS) {
 574                 DEBUG2(printk("scsi%ld: %s: Failed to update local ifcb\n",
 575                                 ha->host_no, __func__));
 576                 goto exit_init_fw_cb;
 577         }
 578         status = QLA_SUCCESS;
 579
 580 exit_init_fw_cb:
 581         dma_free_coherent(&ha->pdev->dev, sizeof(struct addr_ctrl_blk),
 582                                 init_fw_cb, init_fw_cb_dma);
 583 exit_init_fw_cb_no_free:
 584         return status;
 585 }
 586
 587 /**
 588  * qla4xxx_get_dhcp_ip_address - gets HBA ip address via DHCP
 589  * @ha: Pointer to host adapter structure.
 590  **/
 591 int qla4xxx_get_dhcp_ip_address(struct scsi_qla_host * ha)
 592 {
 593         struct addr_ctrl_blk *init_fw_cb;
 594         dma_addr_t init_fw_cb_dma;
 595         uint32_t mbox_cmd[MBOX_REG_COUNT];
 596         uint32_t mbox_sts[MBOX_REG_COUNT];
 597
 598         init_fw_cb = dma_alloc_coherent(&ha->pdev->dev,
 599                                         sizeof(struct addr_ctrl_blk),
 600                                         &init_fw_cb_dma, GFP_KERNEL);
 601         if (init_fw_cb == NULL) {
 602                 printk("scsi%ld: %s: Unable to alloc init_cb\n", ha->host_no,
 603                        __func__);
 604                 return QLA_ERROR;
 605         }
 606
 607         /* Get Initialize Firmware Control Block. */
 608         memset(init_fw_cb, 0, sizeof(struct addr_ctrl_blk));
 609         if (qla4xxx_get_ifcb(ha, &mbox_cmd[0], &mbox_sts[0], init_fw_cb_dma) !=
 610             QLA_SUCCESS) {
 611                 DEBUG2(printk("scsi%ld: %s: Failed to get init_fw_ctrl_blk\n",
 612                               ha->host_no, __func__));
 613                 dma_free_coherent(&ha->pdev->dev,
 614                                   sizeof(struct addr_ctrl_blk),
 615                                   init_fw_cb, init_fw_cb_dma);
 616                 return QLA_ERROR;
 617         }
 618
 619         /* Save IP Address. */
 620         qla4xxx_update_local_ip(ha, init_fw_cb);
 621         dma_free_coherent(&ha->pdev->dev, sizeof(struct addr_ctrl_blk),
 622                                 init_fw_cb, init_fw_cb_dma);
 623
 624         return QLA_SUCCESS;
 625 }
 626
 627 /**
 628  * qla4xxx_get_firmware_state - gets firmware state of HBA
 629  * @ha: Pointer to host adapter structure.
 630  **/
 631 int qla4xxx_get_firmware_state(struct scsi_qla_host * ha)
 632 {
 633         uint32_t mbox_cmd[MBOX_REG_COUNT];
 634         uint32_t mbox_sts[MBOX_REG_COUNT];
 635
 636         /* Get firmware version */
 637         memset(&mbox_cmd, 0, sizeof(mbox_cmd));
 638         memset(&mbox_sts, 0, sizeof(mbox_sts));
 639
 640         mbox_cmd[0] = MBOX_CMD_GET_FW_STATE;
 641
 642         if (qla4xxx_mailbox_command(ha, MBOX_REG_COUNT, 4, &mbox_cmd[0], &mbox_sts[0]) !=
 643             QLA_SUCCESS) {
 644                 DEBUG2(printk("scsi%ld: %s: MBOX_CMD_GET_FW_STATE failed w/ "
 645                               "status %04X\n", ha->host_no, __func__,
 646                               mbox_sts[0]));
 647                 return QLA_ERROR;
 648         }
 649         ha->firmware_state = mbox_sts[1];
 650         ha->board_id = mbox_sts[2];
 651         ha->addl_fw_state = mbox_sts[3];
 652         DEBUG2(printk("scsi%ld: %s firmware_state=0x%x\n",
 653                       ha->host_no, __func__, ha->firmware_state);)
 654
 655         return QLA_SUCCESS;
 656 }
 657
 658 /**
 659  * qla4xxx_get_firmware_status - retrieves firmware status
 660  * @ha: Pointer to host adapter structure.
 661  **/
 662 int qla4xxx_get_firmware_status(struct scsi_qla_host * ha)
 663 {
 664         uint32_t mbox_cmd[MBOX_REG_COUNT];
 665         uint32_t mbox_sts[MBOX_REG_COUNT];
 666
 667         /* Get firmware version */
 668         memset(&mbox_cmd, 0, sizeof(mbox_cmd));
 669         memset(&mbox_sts, 0, sizeof(mbox_sts));
 670
 671         mbox_cmd[0] = MBOX_CMD_GET_FW_STATUS;
 672
 673         if (qla4xxx_mailbox_command(ha, MBOX_REG_COUNT, 3, &mbox_cmd[0], &mbox_sts[0]) !=
 674             QLA_SUCCESS) {
 675                 DEBUG2(printk("scsi%ld: %s: MBOX_CMD_GET_FW_STATUS failed w/ "
 676                               "status %04X\n", ha->host_no, __func__,
 677                               mbox_sts[0]));
 678                 return QLA_ERROR;
 679         }
 680
 681         ql4_printk(KERN_INFO, ha, "%ld firmware IOCBs available (%d).\n",
 682             ha->host_no, mbox_sts[2]);
 683
 684         return QLA_SUCCESS;
 685 }
 686
 687 /**
 688  * qla4xxx_get_fwddb_entry - retrieves firmware ddb entry
 689  * @ha: Pointer to host adapter structure.
 690  * @fw_ddb_index: Firmware's device database index
 691  * @fw_ddb_entry: Pointer to firmware's device database entry structure
 692  * @num_valid_ddb_entries: Pointer to number of valid ddb entries
 693  * @next_ddb_index: Pointer to next valid device database index
 694  * @fw_ddb_device_state: Pointer to device state
 695  **/
 696 int qla4xxx_get_fwddb_entry(struct scsi_qla_host *ha,
 697                             uint16_t fw_ddb_index,
 698                             struct dev_db_entry *fw_ddb_entry,
 699                             dma_addr_t fw_ddb_entry_dma,
 700                             uint32_t *num_valid_ddb_entries,
 701                             uint32_t *next_ddb_index,
 702                             uint32_t *fw_ddb_device_state,
 703                             uint32_t *conn_err_detail,
 704                             uint16_t *tcp_source_port_num,
 705                             uint16_t *connection_id)
 706 {
 707         int status = QLA_ERROR;
 708         uint16_t options;
 709         uint32_t mbox_cmd[MBOX_REG_COUNT];
 710         uint32_t mbox_sts[MBOX_REG_COUNT];
 711
 712         /* Make sure the device index is valid */
 713         if (fw_ddb_index >= MAX_DDB_ENTRIES) {
 714                 DEBUG2(printk("scsi%ld: %s: ddb [%d] out of range.\n",
 715                               ha->host_no, __func__, fw_ddb_index));
 716                 goto exit_get_fwddb;
 717         }
 718         memset(&mbox_cmd, 0, sizeof(mbox_cmd));
 719         memset(&mbox_sts, 0, sizeof(mbox_sts));
 720         if (fw_ddb_entry)
 721                 memset(fw_ddb_entry, 0, sizeof(struct dev_db_entry));
 722
 723         mbox_cmd[0] = MBOX_CMD_GET_DATABASE_ENTRY;
 724         mbox_cmd[1] = (uint32_t) fw_ddb_index;
 725         mbox_cmd[2] = LSDW(fw_ddb_entry_dma);
 726         mbox_cmd[3] = MSDW(fw_ddb_entry_dma);
 727         mbox_cmd[4] = sizeof(struct dev_db_entry);
 728
 729         if (qla4xxx_mailbox_command(ha, MBOX_REG_COUNT, 7, &mbox_cmd[0], &mbox_sts[0]) ==
 730             QLA_ERROR) {
 731                 DEBUG2(printk("scsi%ld: %s: MBOX_CMD_GET_DATABASE_ENTRY failed"
 732                               " with status 0x%04X\n", ha->host_no, __func__,
 733                               mbox_sts[0]));
 734                 goto exit_get_fwddb;
 735         }
 736         if (fw_ddb_index != mbox_sts[1]) {
 737                 DEBUG2(printk("scsi%ld: %s: ddb mismatch [%d] != [%d].\n",
 738                               ha->host_no, __func__, fw_ddb_index,
 739                               mbox_sts[1]));
 740                 goto exit_get_fwddb;
 741         }
 742         if (fw_ddb_entry) {
 743                 options = le16_to_cpu(fw_ddb_entry->options);
 744                 if (options & DDB_OPT_IPV6_DEVICE) {
 745                         ql4_printk(KERN_INFO, ha, "%s: DDB[%d] MB0 %04x Tot %d "
 746                                 "Next %d State %04x ConnErr %08x %pI6 "
 747                                 ":%04d \"%s\"\n", __func__, fw_ddb_index,
 748                                 mbox_sts[0], mbox_sts[2], mbox_sts[3],
 749                                 mbox_sts[4], mbox_sts[5],
 750                                 fw_ddb_entry->ip_addr,
 751                                 le16_to_cpu(fw_ddb_entry->port),
 752                                 fw_ddb_entry->iscsi_name);
 753                 } else {
 754                         ql4_printk(KERN_INFO, ha, "%s: DDB[%d] MB0 %04x Tot %d "
 755                                 "Next %d State %04x ConnErr %08x %pI4 "
 756                                 ":%04d \"%s\"\n", __func__, fw_ddb_index,
 757                                 mbox_sts[0], mbox_sts[2], mbox_sts[3],
 758                                 mbox_sts[4], mbox_sts[5],
 759                                 fw_ddb_entry->ip_addr,
 760                                 le16_to_cpu(fw_ddb_entry->port),
 761                                 fw_ddb_entry->iscsi_name);
 762                 }
 763         }
 764         if (num_valid_ddb_entries)
 765                 *num_valid_ddb_entries = mbox_sts[2];
 766         if (next_ddb_index)
 767                 *next_ddb_index = mbox_sts[3];
 768         if (fw_ddb_device_state)
 769                 *fw_ddb_device_state = mbox_sts[4];
 770
 771         /*
 772          * RA: This mailbox has been changed to pass connection error and
 773          * details.  Its true for ISP4010 as per Version E - Not sure when it
 774          * was changed.  Get the time2wait from the fw_dd_entry field :
 775          * default_time2wait which we call it as minTime2Wait DEV_DB_ENTRY
 776          * struct.
 777          */
 778         if (conn_err_detail)
 779                 *conn_err_detail = mbox_sts[5];
 780         if (tcp_source_port_num)
 781                 *tcp_source_port_num = (uint16_t) (mbox_sts[6] >> 16);
 782         if (connection_id)
 783                 *connection_id = (uint16_t) mbox_sts[6] & 0x00FF;
 784         status = QLA_SUCCESS;
 785
 786 exit_get_fwddb:
 787         return status;
 788 }
 789
 790 int qla4xxx_conn_open(struct scsi_qla_host *ha, uint16_t fw_ddb_index)
 791 {
 792         uint32_t mbox_cmd[MBOX_REG_COUNT];
 793         uint32_t mbox_sts[MBOX_REG_COUNT];
 794         int status;
 795
 796         memset(&mbox_cmd, 0, sizeof(mbox_cmd));
 797         memset(&mbox_sts, 0, sizeof(mbox_sts));
 798
 799         mbox_cmd[0] = MBOX_CMD_CONN_OPEN;
 800         mbox_cmd[1] = fw_ddb_index;
 801
 802         status = qla4xxx_mailbox_command(ha, MBOX_REG_COUNT, 2, &mbox_cmd[0],
 803                                          &mbox_sts[0]);
 804         DEBUG2(ql4_printk(KERN_INFO, ha,
 805                           "%s: status = %d mbx0 = 0x%x mbx1 = 0x%x\n",
 806                           __func__, status, mbox_sts[0], mbox_sts[1]));
 807         return status;
 808 }
 809
 810 /**
 811  * qla4xxx_set_fwddb_entry - sets a ddb entry.
 812  * @ha: Pointer to host adapter structure.
 813  * @fw_ddb_index: Firmware's device database index
 814  * @fw_ddb_entry_dma: dma address of ddb entry
 815  * @mbx_sts: mailbox 0 to be returned or NULL
 816  *
 817  * This routine initializes or updates the adapter's device database
 818  * entry for the specified device.
 819  **/
 820 int qla4xxx_set_ddb_entry(struct scsi_qla_host * ha, uint16_t fw_ddb_index,
 821                           dma_addr_t fw_ddb_entry_dma, uint32_t *mbx_sts)
 822 {
 823         uint32_t mbox_cmd[MBOX_REG_COUNT];
 824         uint32_t mbox_sts[MBOX_REG_COUNT];
 825         int status;
 826
 827         /* Do not wait for completion. The firmware will send us an
 828          * ASTS_DATABASE_CHANGED (0x8014) to notify us of the login status.
 829          */
 830         memset(&mbox_cmd, 0, sizeof(mbox_cmd));
 831         memset(&mbox_sts, 0, sizeof(mbox_sts));
 832
 833         mbox_cmd[0] = MBOX_CMD_SET_DATABASE_ENTRY;
 834         mbox_cmd[1] = (uint32_t) fw_ddb_index;
 835         mbox_cmd[2] = LSDW(fw_ddb_entry_dma);
 836         mbox_cmd[3] = MSDW(fw_ddb_entry_dma);
 837         mbox_cmd[4] = sizeof(struct dev_db_entry);
 838
 839         status = qla4xxx_mailbox_command(ha, MBOX_REG_COUNT, 5, &mbox_cmd[0],
 840                                          &mbox_sts[0]);
 841         if (mbx_sts)
 842                 *mbx_sts = mbox_sts[0];
 843         DEBUG2(printk("scsi%ld: %s: status=%d mbx0=0x%x mbx4=0x%x\n",
 844             ha->host_no, __func__, status, mbox_sts[0], mbox_sts[4]);)
 845
 846         return status;
 847 }
 848
 849 int qla4xxx_session_logout_ddb(struct scsi_qla_host *ha,
 850                                struct ddb_entry *ddb_entry, int options)
 851 {
 852         int status;
 853         uint32_t mbox_cmd[MBOX_REG_COUNT];
 854         uint32_t mbox_sts[MBOX_REG_COUNT];
 855
 856         memset(&mbox_cmd, 0, sizeof(mbox_cmd));
 857         memset(&mbox_sts, 0, sizeof(mbox_sts));
 858
 859         mbox_cmd[0] = MBOX_CMD_CONN_CLOSE_SESS_LOGOUT;
 860         mbox_cmd[1] = ddb_entry->fw_ddb_index;
 861         mbox_cmd[3] = options;
 862
 863         status = qla4xxx_mailbox_command(ha, MBOX_REG_COUNT, 2, &mbox_cmd[0],
 864                                          &mbox_sts[0]);
 865         if (status != QLA_SUCCESS) {
 866                 DEBUG2(ql4_printk(KERN_INFO, ha,
 867                                   "%s: MBOX_CMD_CONN_CLOSE_SESS_LOGOUT "
 868                                   "failed sts %04X %04X", __func__,
 869                                   mbox_sts[0], mbox_sts[1]));
 870         }
 871
 872         return status;
 873 }
 874
 875 /**
 876  * qla4xxx_get_crash_record - retrieves crash record.
 877  * @ha: Pointer to host adapter structure.
 878  *
 879  * This routine retrieves a crash record from the QLA4010 after an 8002h aen.
 880  **/
 881 void qla4xxx_get_crash_record(struct scsi_qla_host * ha)
 882 {
 883         uint32_t mbox_cmd[MBOX_REG_COUNT];
 884         uint32_t mbox_sts[MBOX_REG_COUNT];
 885         struct crash_record *crash_record = NULL;
 886         dma_addr_t crash_record_dma = 0;
 887         uint32_t crash_record_size = 0;
 888
 889         memset(&mbox_cmd, 0, sizeof(mbox_cmd));
 890         memset(&mbox_sts, 0, sizeof(mbox_cmd));
 891
 892         /* Get size of crash record. */
 893         mbox_cmd[0] = MBOX_CMD_GET_CRASH_RECORD;
 894
 895         if (qla4xxx_mailbox_command(ha, MBOX_REG_COUNT, 5, &mbox_cmd[0], &mbox_sts[0]) !=
 896             QLA_SUCCESS) {
 897                 DEBUG2(printk("scsi%ld: %s: ERROR: Unable to retrieve size!\n",
 898                               ha->host_no, __func__));
 899                 goto exit_get_crash_record;
 900         }
 901         crash_record_size = mbox_sts[4];
 902         if (crash_record_size == 0) {
 903                 DEBUG2(printk("scsi%ld: %s: ERROR: Crash record size is 0!\n",
 904                               ha->host_no, __func__));
 905                 goto exit_get_crash_record;
 906         }
 907
 908         /* Alloc Memory for Crash Record. */
 909         crash_record = dma_alloc_coherent(&ha->pdev->dev, crash_record_size,
 910                                           &crash_record_dma, GFP_KERNEL);
 911         if (crash_record == NULL)
 912                 goto exit_get_crash_record;
 913
 914         /* Get Crash Record. */
 915         memset(&mbox_cmd, 0, sizeof(mbox_cmd));
 916         memset(&mbox_sts, 0, sizeof(mbox_cmd));
 917
 918         mbox_cmd[0] = MBOX_CMD_GET_CRASH_RECORD;
 919         mbox_cmd[2] = LSDW(crash_record_dma);
 920         mbox_cmd[3] = MSDW(crash_record_dma);
 921         mbox_cmd[4] = crash_record_size;
 922
 923         if (qla4xxx_mailbox_command(ha, MBOX_REG_COUNT, 5, &mbox_cmd[0], &mbox_sts[0]) !=
 924             QLA_SUCCESS)
 925                 goto exit_get_crash_record;
 926
 927         /* Dump Crash Record. */
 928
 929 exit_get_crash_record:
 930         if (crash_record)
 931                 dma_free_coherent(&ha->pdev->dev, crash_record_size,
 932                                   crash_record, crash_record_dma);
 933 }
 934
 935 /**
 936  * qla4xxx_get_conn_event_log - retrieves connection event log
 937  * @ha: Pointer to host adapter structure.
 938  **/
 939 void qla4xxx_get_conn_event_log(struct scsi_qla_host * ha)
 940 {
 941         uint32_t mbox_cmd[MBOX_REG_COUNT];
 942         uint32_t mbox_sts[MBOX_REG_COUNT];
 943         struct conn_event_log_entry *event_log = NULL;
 944         dma_addr_t event_log_dma = 0;
 945         uint32_t event_log_size = 0;
 946         uint32_t num_valid_entries;
 947         uint32_t      oldest_entry = 0;
 948         uint32_t        max_event_log_entries;
 949         uint8_t         i;
 950
 951         memset(&mbox_cmd, 0, sizeof(mbox_cmd));
 952         memset(&mbox_sts, 0, sizeof(mbox_cmd));
 953
 954         /* Get size of crash record. */
 955         mbox_cmd[0] = MBOX_CMD_GET_CONN_EVENT_LOG;
 956
 957         if (qla4xxx_mailbox_command(ha, MBOX_REG_COUNT, 5, &mbox_cmd[0], &mbox_sts[0]) !=
 958             QLA_SUCCESS)
 959                 goto exit_get_event_log;
 960
 961         event_log_size = mbox_sts[4];
 962         if (event_log_size == 0)
 963                 goto exit_get_event_log;
 964
 965         /* Alloc Memory for Crash Record. */
 966         event_log = dma_alloc_coherent(&ha->pdev->dev, event_log_size,
 967                                        &event_log_dma, GFP_KERNEL);
 968         if (event_log == NULL)
 969                 goto exit_get_event_log;
 970
 971         /* Get Crash Record. */
 972         memset(&mbox_cmd, 0, sizeof(mbox_cmd));
 973         memset(&mbox_sts, 0, sizeof(mbox_cmd));
 974
 975         mbox_cmd[0] = MBOX_CMD_GET_CONN_EVENT_LOG;
 976         mbox_cmd[2] = LSDW(event_log_dma);
 977         mbox_cmd[3] = MSDW(event_log_dma);
 978
 979         if (qla4xxx_mailbox_command(ha, MBOX_REG_COUNT, 5, &mbox_cmd[0], &mbox_sts[0]) !=
 980             QLA_SUCCESS) {
 981                 DEBUG2(printk("scsi%ld: %s: ERROR: Unable to retrieve event "
 982                               "log!\n", ha->host_no, __func__));
 983                 goto exit_get_event_log;
 984         }
 985
 986         /* Dump Event Log. */
 987         num_valid_entries = mbox_sts[1];
 988
 989         max_event_log_entries = event_log_size /
 990                 sizeof(struct conn_event_log_entry);
 991
 992         if (num_valid_entries > max_event_log_entries)
 993                 oldest_entry = num_valid_entries % max_event_log_entries;
 994
 995         DEBUG3(printk("scsi%ld: Connection Event Log Dump (%d entries):\n",
 996                       ha->host_no, num_valid_entries));
 997
 998         if (ql4xextended_error_logging == 3) {
 999                 if (oldest_entry == 0) {
1000                         /* Circular Buffer has not wrapped around */
1001                         for (i=0; i < num_valid_entries; i++) {
1002                                 qla4xxx_dump_buffer((uint8_t *)event_log+
1003                                                     (i*sizeof(*event_log)),
1004                                                     sizeof(*event_log));
1005                         }
1006                 }
1007                 else {
1008                         /* Circular Buffer has wrapped around -
1009                          * display accordingly*/
1010                         for (i=oldest_entry; i < max_event_log_entries; i++) {
1011                                 qla4xxx_dump_buffer((uint8_t *)event_log+
1012                                                     (i*sizeof(*event_log)),
1013                                                     sizeof(*event_log));
1014                         }
1015                         for (i=0; i < oldest_entry; i++) {
1016                                 qla4xxx_dump_buffer((uint8_t *)event_log+
1017                                                     (i*sizeof(*event_log)),
1018                                                     sizeof(*event_log));
1019                         }
1020                 }
1021         }
1022
1023 exit_get_event_log:
1024         if (event_log)
1025                 dma_free_coherent(&ha->pdev->dev, event_log_size, event_log,
1026                                   event_log_dma);
1027 }
1028
1029 /**
1030  * qla4xxx_abort_task - issues Abort Task
1031  * @ha: Pointer to host adapter structure.
1032  * @srb: Pointer to srb entry
1033  *
1034  * This routine performs a LUN RESET on the specified target/lun.
1035  * The caller must ensure that the ddb_entry and lun_entry pointers
1036  * are valid before calling this routine.
1037  **/
1038 int qla4xxx_abort_task(struct scsi_qla_host *ha, struct srb *srb)
1039 {
1040         uint32_t mbox_cmd[MBOX_REG_COUNT];
1041         uint32_t mbox_sts[MBOX_REG_COUNT];
1042         struct scsi_cmnd *cmd = srb->cmd;
1043         int status = QLA_SUCCESS;
1044         unsigned long flags = 0;
1045         uint32_t index;
1046
1047         /*
1048          * Send abort task command to ISP, so that the ISP will return
1049          * request with ABORT status
1050          */
1051         memset(&mbox_cmd, 0, sizeof(mbox_cmd));
1052         memset(&mbox_sts, 0, sizeof(mbox_sts));
1053
1054         spin_lock_irqsave(&ha->hardware_lock, flags);
1055         index = (unsigned long)(unsigned char *)cmd->host_scribble;
1056         spin_unlock_irqrestore(&ha->hardware_lock, flags);
1057
1058         /* Firmware already posted completion on response queue */
1059         if (index == MAX_SRBS)
1060                 return status;
1061
1062         mbox_cmd[0] = MBOX_CMD_ABORT_TASK;
1063         mbox_cmd[1] = srb->ddb->fw_ddb_index;
1064         mbox_cmd[2] = index;
1065         /* Immediate Command Enable */
1066         mbox_cmd[5] = 0x01;
1067
1068         qla4xxx_mailbox_command(ha, MBOX_REG_COUNT, 5, &mbox_cmd[0],
1069             &mbox_sts[0]);
1070         if (mbox_sts[0] != MBOX_STS_COMMAND_COMPLETE) {
1071                 status = QLA_ERROR;
1072
1073                 DEBUG2(printk(KERN_WARNING "scsi%ld:%d:%d: abort task FAILED: "
1074                     "mbx0=%04X, mb1=%04X, mb2=%04X, mb3=%04X, mb4=%04X\n",
1075                     ha->host_no, cmd->device->id, cmd->device->lun, mbox_sts[0],
1076                     mbox_sts[1], mbox_sts[2], mbox_sts[3], mbox_sts[4]));
1077         }
1078
1079         return status;
1080 }
1081
1082 /**
1083  * qla4xxx_reset_lun - issues LUN Reset
1084  * @ha: Pointer to host adapter structure.
1085  * @ddb_entry: Pointer to device database entry
1086  * @lun: lun number
1087  *
1088  * This routine performs a LUN RESET on the specified target/lun.
1089  * The caller must ensure that the ddb_entry and lun_entry pointers
1090  * are valid before calling this routine.
1091  **/
1092 int qla4xxx_reset_lun(struct scsi_qla_host * ha, struct ddb_entry * ddb_entry,
1093                       int lun)
1094 {
1095         uint32_t mbox_cmd[MBOX_REG_COUNT];
1096         uint32_t mbox_sts[MBOX_REG_COUNT];
1097         int status = QLA_SUCCESS;
1098
1099         DEBUG2(printk("scsi%ld:%d:%d: lun reset issued\n", ha->host_no,
1100                       ddb_entry->fw_ddb_index, lun));
1101
1102         /*
1103          * Send lun reset command to ISP, so that the ISP will return all
1104          * outstanding requests with RESET status
1105          */
1106         memset(&mbox_cmd, 0, sizeof(mbox_cmd));
1107         memset(&mbox_sts, 0, sizeof(mbox_sts));
1108
1109         mbox_cmd[0] = MBOX_CMD_LUN_RESET;
1110         mbox_cmd[1] = ddb_entry->fw_ddb_index;
1111         mbox_cmd[2] = lun << 8;
1112         mbox_cmd[5] = 0x01;     /* Immediate Command Enable */
1113
1114         qla4xxx_mailbox_command(ha, MBOX_REG_COUNT, 1, &mbox_cmd[0], &mbox_sts[0]);
1115         if (mbox_sts[0] != MBOX_STS_COMMAND_COMPLETE &&
1116             mbox_sts[0] != MBOX_STS_COMMAND_ERROR)
1117                 status = QLA_ERROR;
1118
1119         return status;
1120 }
1121
1122 /**
1123  * qla4xxx_reset_target - issues target Reset
1124  * @ha: Pointer to host adapter structure.
1125  * @db_entry: Pointer to device database entry
1126  * @un_entry: Pointer to lun entry structure
1127  *
1128  * This routine performs a TARGET RESET on the specified target.
1129  * The caller must ensure that the ddb_entry pointers
1130  * are valid before calling this routine.
1131  **/
1132 int qla4xxx_reset_target(struct scsi_qla_host *ha,
1133                          struct ddb_entry *ddb_entry)
1134 {
1135         uint32_t mbox_cmd[MBOX_REG_COUNT];
1136         uint32_t mbox_sts[MBOX_REG_COUNT];
1137         int status = QLA_SUCCESS;
1138
1139         DEBUG2(printk("scsi%ld:%d: target reset issued\n", ha->host_no,
1140                       ddb_entry->fw_ddb_index));
1141
1142         /*
1143          * Send target reset command to ISP, so that the ISP will return all
1144          * outstanding requests with RESET status
1145          */
1146         memset(&mbox_cmd, 0, sizeof(mbox_cmd));
1147         memset(&mbox_sts, 0, sizeof(mbox_sts));
1148
1149         mbox_cmd[0] = MBOX_CMD_TARGET_WARM_RESET;
1150         mbox_cmd[1] = ddb_entry->fw_ddb_index;
1151         mbox_cmd[5] = 0x01;     /* Immediate Command Enable */
1152
1153         qla4xxx_mailbox_command(ha, MBOX_REG_COUNT, 1, &mbox_cmd[0],
1154                                 &mbox_sts[0]);
1155         if (mbox_sts[0] != MBOX_STS_COMMAND_COMPLETE &&
1156             mbox_sts[0] != MBOX_STS_COMMAND_ERROR)
1157                 status = QLA_ERROR;
1158
1159         return status;
1160 }
1161
1162 int qla4xxx_get_flash(struct scsi_qla_host * ha, dma_addr_t dma_addr,
1163                       uint32_t offset, uint32_t len)
1164 {
1165         uint32_t mbox_cmd[MBOX_REG_COUNT];
1166         uint32_t mbox_sts[MBOX_REG_COUNT];
1167
1168         memset(&mbox_cmd, 0, sizeof(mbox_cmd));
1169         memset(&mbox_sts, 0, sizeof(mbox_sts));
1170
1171         mbox_cmd[0] = MBOX_CMD_READ_FLASH;
1172         mbox_cmd[1] = LSDW(dma_addr);
1173         mbox_cmd[2] = MSDW(dma_addr);
1174         mbox_cmd[3] = offset;
1175         mbox_cmd[4] = len;
1176
1177         if (qla4xxx_mailbox_command(ha, MBOX_REG_COUNT, 2, &mbox_cmd[0], &mbox_sts[0]) !=
1178             QLA_SUCCESS) {
1179                 DEBUG2(printk("scsi%ld: %s: MBOX_CMD_READ_FLASH, failed w/ "
1180                     "status %04X %04X, offset %08x, len %08x\n", ha->host_no,
1181                     __func__, mbox_sts[0], mbox_sts[1], offset, len));
1182                 return QLA_ERROR;
1183         }
1184         return QLA_SUCCESS;
1185 }
1186
1187 /**
1188  * qla4xxx_about_firmware - gets FW, iscsi draft and boot loader version
1189  * @ha: Pointer to host adapter structure.
1190  *
1191  * Retrieves the FW version, iSCSI draft version & bootloader version of HBA.
1192  * Mailboxes 2 & 3 may hold an address for data. Make sure that we write 0 to
1193  * those mailboxes, if unused.
1194  **/
1195 int qla4xxx_about_firmware(struct scsi_qla_host *ha)
1196 {
1197         struct about_fw_info *about_fw = NULL;
1198         dma_addr_t about_fw_dma;
1199         uint32_t mbox_cmd[MBOX_REG_COUNT];
1200         uint32_t mbox_sts[MBOX_REG_COUNT];
1201         int status = QLA_ERROR;
1202
1203         about_fw = dma_alloc_coherent(&ha->pdev->dev,
1204                                       sizeof(struct about_fw_info),
1205                                       &about_fw_dma, GFP_KERNEL);
1206         if (!about_fw) {
1207                 DEBUG2(ql4_printk(KERN_ERR, ha, "%s: Unable to alloc memory "
1208                                   "for about_fw\n", __func__));
1209                 return status;
1210         }
1211
1212         memset(about_fw, 0, sizeof(struct about_fw_info));
1213         memset(&mbox_cmd, 0, sizeof(mbox_cmd));
1214         memset(&mbox_sts, 0, sizeof(mbox_sts));
1215
1216         mbox_cmd[0] = MBOX_CMD_ABOUT_FW;
1217         mbox_cmd[2] = LSDW(about_fw_dma);
1218         mbox_cmd[3] = MSDW(about_fw_dma);
1219         mbox_cmd[4] = sizeof(struct about_fw_info);
1220
1221         status = qla4xxx_mailbox_command(ha, MBOX_REG_COUNT, MBOX_REG_COUNT,
1222                                          &mbox_cmd[0], &mbox_sts[0]);
1223         if (status != QLA_SUCCESS) {
1224                 DEBUG2(ql4_printk(KERN_WARNING, ha, "%s: MBOX_CMD_ABOUT_FW "
1225                                   "failed w/ status %04X\n", __func__,
1226                                   mbox_sts[0]));
1227                 goto exit_about_fw;
1228         }
1229
1230         /* Save version information. */
1231         ha->firmware_version[0] = le16_to_cpu(about_fw->fw_major);
1232         ha->firmware_version[1] = le16_to_cpu(about_fw->fw_minor);
1233         ha->patch_number = le16_to_cpu(about_fw->fw_patch);
1234         ha->build_number = le16_to_cpu(about_fw->fw_build);
1235         ha->iscsi_major = le16_to_cpu(about_fw->iscsi_major);
1236         ha->iscsi_minor = le16_to_cpu(about_fw->iscsi_minor);
1237         ha->bootload_major = le16_to_cpu(about_fw->bootload_major);
1238         ha->bootload_minor = le16_to_cpu(about_fw->bootload_minor);
1239         ha->bootload_patch = le16_to_cpu(about_fw->bootload_patch);
1240         ha->bootload_build = le16_to_cpu(about_fw->bootload_build);
1241         status = QLA_SUCCESS;
1242
1243 exit_about_fw:
1244         dma_free_coherent(&ha->pdev->dev, sizeof(struct about_fw_info),
1245                           about_fw, about_fw_dma);
1246         return status;
1247 }
1248
1249 static int qla4xxx_get_default_ddb(struct scsi_qla_host *ha, uint32_t options,
1250                                    dma_addr_t dma_addr)
1251 {
1252         uint32_t mbox_cmd[MBOX_REG_COUNT];
1253         uint32_t mbox_sts[MBOX_REG_COUNT];
1254
1255         memset(&mbox_cmd, 0, sizeof(mbox_cmd));
1256         memset(&mbox_sts, 0, sizeof(mbox_sts));
1257
1258         mbox_cmd[0] = MBOX_CMD_GET_DATABASE_ENTRY_DEFAULTS;
1259         mbox_cmd[1] = options;
1260         mbox_cmd[2] = LSDW(dma_addr);
1261         mbox_cmd[3] = MSDW(dma_addr);
1262
1263         if (qla4xxx_mailbox_command(ha, MBOX_REG_COUNT, 1, &mbox_cmd[0], &mbox_sts[0]) !=
1264             QLA_SUCCESS) {
1265                 DEBUG2(printk("scsi%ld: %s: failed status %04X\n",
1266                      ha->host_no, __func__, mbox_sts[0]));
1267                 return QLA_ERROR;
1268         }
1269         return QLA_SUCCESS;
1270 }
1271
1272 int qla4xxx_req_ddb_entry(struct scsi_qla_host *ha, uint32_t ddb_index,
1273                           uint32_t *mbx_sts)
1274 {
1275         int status;
1276         uint32_t mbox_cmd[MBOX_REG_COUNT];
1277         uint32_t mbox_sts[MBOX_REG_COUNT];
1278
1279         memset(&mbox_cmd, 0, sizeof(mbox_cmd));
1280         memset(&mbox_sts, 0, sizeof(mbox_sts));
1281
1282         mbox_cmd[0] = MBOX_CMD_REQUEST_DATABASE_ENTRY;
1283         mbox_cmd[1] = ddb_index;
1284
1285         status = qla4xxx_mailbox_command(ha, MBOX_REG_COUNT, 1, &mbox_cmd[0],
1286                                          &mbox_sts[0]);
1287         if (status != QLA_SUCCESS) {
1288                 DEBUG2(ql4_printk(KERN_ERR, ha, "%s: failed status %04X\n",
1289                                    __func__, mbox_sts[0]));
1290         }
1291
1292         *mbx_sts = mbox_sts[0];
1293         return status;
1294 }
1295
1296 int qla4xxx_clear_ddb_entry(struct scsi_qla_host *ha, uint32_t ddb_index)
1297 {
1298         int status;
1299         uint32_t mbox_cmd[MBOX_REG_COUNT];
1300         uint32_t mbox_sts[MBOX_REG_COUNT];
1301
1302         memset(&mbox_cmd, 0, sizeof(mbox_cmd));
1303         memset(&mbox_sts, 0, sizeof(mbox_sts));
1304
1305         mbox_cmd[0] = MBOX_CMD_CLEAR_DATABASE_ENTRY;
1306         mbox_cmd[1] = ddb_index;
1307
1308         status = qla4xxx_mailbox_command(ha, 2, 1, &mbox_cmd[0],
1309                                          &mbox_sts[0]);
1310         if (status != QLA_SUCCESS) {
1311                 DEBUG2(ql4_printk(KERN_ERR, ha, "%s: failed status %04X\n",
1312                                    __func__, mbox_sts[0]));
1313         }
1314
1315         return status;
1316 }
1317
1318 int qla4xxx_set_flash(struct scsi_qla_host *ha, dma_addr_t dma_addr,
1319                       uint32_t offset, uint32_t length, uint32_t options)
1320 {
1321         uint32_t mbox_cmd[MBOX_REG_COUNT];
1322         uint32_t mbox_sts[MBOX_REG_COUNT];
1323         int status = QLA_SUCCESS;
1324
1325         memset(&mbox_cmd, 0, sizeof(mbox_cmd));
1326         memset(&mbox_sts, 0, sizeof(mbox_sts));
1327
1328         mbox_cmd[0] = MBOX_CMD_WRITE_FLASH;
1329         mbox_cmd[1] = LSDW(dma_addr);
1330         mbox_cmd[2] = MSDW(dma_addr);
1331         mbox_cmd[3] = offset;
1332         mbox_cmd[4] = length;
1333         mbox_cmd[5] = options;
1334
1335         status = qla4xxx_mailbox_command(ha, 6, 2, &mbox_cmd[0], &mbox_sts[0]);
1336         if (status != QLA_SUCCESS) {
1337                 DEBUG2(ql4_printk(KERN_WARNING, ha, "%s: MBOX_CMD_WRITE_FLASH "
1338                                   "failed w/ status %04X, mbx1 %04X\n",
1339                                   __func__, mbox_sts[0], mbox_sts[1]));
1340         }
1341         return status;
1342 }
1343
1344 int qla4xxx_bootdb_by_index(struct scsi_qla_host *ha,
1345                             struct dev_db_entry *fw_ddb_entry,
1346                             dma_addr_t fw_ddb_entry_dma, uint16_t ddb_index)
1347 {
1348         uint32_t dev_db_start_offset = FLASH_OFFSET_DB_INFO;
1349         uint32_t dev_db_end_offset;
1350         int status = QLA_ERROR;
1351
1352         memset(fw_ddb_entry, 0, sizeof(*fw_ddb_entry));
1353
1354         dev_db_start_offset += (ddb_index * sizeof(*fw_ddb_entry));
1355         dev_db_end_offset = FLASH_OFFSET_DB_END;
1356
1357         if (dev_db_start_offset > dev_db_end_offset) {
1358                 DEBUG2(ql4_printk(KERN_ERR, ha,
1359                                   "%s:Invalid DDB index %d", __func__,
1360                                   ddb_index));
1361                 goto exit_bootdb_failed;
1362         }
1363
1364         if (qla4xxx_get_flash(ha, fw_ddb_entry_dma, dev_db_start_offset,
1365                               sizeof(*fw_ddb_entry)) != QLA_SUCCESS) {
1366                 ql4_printk(KERN_ERR, ha, "scsi%ld: %s: Get Flash"
1367                            "failed\n", ha->host_no, __func__);
1368                 goto exit_bootdb_failed;
1369         }
1370
1371         if (fw_ddb_entry->cookie == DDB_VALID_COOKIE)
1372                 status = QLA_SUCCESS;
1373
1374 exit_bootdb_failed:
1375         return status;
1376 }
1377
1378 int qla4xxx_get_chap(struct scsi_qla_host *ha, char *username, char *password,
1379                      uint16_t idx)
1380 {
1381         int ret = 0;
1382         int rval = QLA_ERROR;
1383         uint32_t offset = 0, chap_size;
1384         struct ql4_chap_table *chap_table;
1385         dma_addr_t chap_dma;
1386
1387         chap_table = dma_pool_alloc(ha->chap_dma_pool, GFP_KERNEL, &chap_dma);
1388         if (chap_table == NULL) {
1389                 ret = -ENOMEM;
1390                 goto exit_get_chap;
1391         }
1392
1393         chap_size = sizeof(struct ql4_chap_table);
1394         memset(chap_table, 0, chap_size);
1395
1396         if (is_qla40XX(ha))
1397                 offset = FLASH_CHAP_OFFSET | (idx * chap_size);
1398         else {
1399                 offset = FLASH_RAW_ACCESS_ADDR + (ha->hw.flt_region_chap << 2);
1400                 /* flt_chap_size is CHAP table size for both ports
1401                  * so divide it by 2 to calculate the offset for second port
1402                  */
1403                 if (ha->port_num == 1)
1404                         offset += (ha->hw.flt_chap_size / 2);
1405                 offset += (idx * chap_size);
1406         }
1407
1408         rval = qla4xxx_get_flash(ha, chap_dma, offset, chap_size);
1409         if (rval != QLA_SUCCESS) {
1410                 ret = -EINVAL;
1411                 goto exit_get_chap;
1412         }
1413
1414         DEBUG2(ql4_printk(KERN_INFO, ha, "Chap Cookie: x%x\n",
1415                 __le16_to_cpu(chap_table->cookie)));
1416
1417         if (__le16_to_cpu(chap_table->cookie) != CHAP_VALID_COOKIE) {
1418                 ql4_printk(KERN_ERR, ha, "No valid chap entry found\n");
1419                 goto exit_get_chap;
1420         }
1421
1422         strncpy(password, chap_table->secret, QL4_CHAP_MAX_SECRET_LEN);
1423         strncpy(username, chap_table->name, QL4_CHAP_MAX_NAME_LEN);
1424         chap_table->cookie = __constant_cpu_to_le16(CHAP_VALID_COOKIE);
1425
1426 exit_get_chap:
1427         dma_pool_free(ha->chap_dma_pool, chap_table, chap_dma);
1428         return ret;
1429 }
1430
1431 static int qla4xxx_set_chap(struct scsi_qla_host *ha, char *username,
1432                             char *password, uint16_t idx, int bidi)
1433 {
1434         int ret = 0;
1435         int rval = QLA_ERROR;
1436         uint32_t offset = 0;
1437         struct ql4_chap_table *chap_table;
1438         dma_addr_t chap_dma;
1439
1440         chap_table = dma_pool_alloc(ha->chap_dma_pool, GFP_KERNEL, &chap_dma);
1441         if (chap_table == NULL) {
1442                 ret =  -ENOMEM;
1443                 goto exit_set_chap;
1444         }
1445
1446         memset(chap_table, 0, sizeof(struct ql4_chap_table));
1447         if (bidi)
1448                 chap_table->flags |= BIT_6; /* peer */
1449         else
1450                 chap_table->flags |= BIT_7; /* local */
1451         chap_table->secret_len = strlen(password);
1452         strncpy(chap_table->secret, password, MAX_CHAP_SECRET_LEN);
1453         strncpy(chap_table->name, username, MAX_CHAP_NAME_LEN);
1454         chap_table->cookie = __constant_cpu_to_le16(CHAP_VALID_COOKIE);
1455         offset = FLASH_CHAP_OFFSET | (idx * sizeof(struct ql4_chap_table));
1456         rval = qla4xxx_set_flash(ha, chap_dma, offset,
1457                                 sizeof(struct ql4_chap_table),
1458                                 FLASH_OPT_RMW_COMMIT);
1459
1460         if (rval == QLA_SUCCESS && ha->chap_list) {
1461                 /* Update ha chap_list cache */
1462                 memcpy((struct ql4_chap_table *)ha->chap_list + idx,
1463                        chap_table, sizeof(struct ql4_chap_table));
1464         }
1465         dma_pool_free(ha->chap_dma_pool, chap_table, chap_dma);
1466         if (rval != QLA_SUCCESS)
1467                 ret =  -EINVAL;
1468
1469 exit_set_chap:
1470         return ret;
1471 }
1472
1473 /**
1474  * qla4xxx_get_chap_index - Get chap index given username and secret
1475  * @ha: pointer to adapter structure
1476  * @username: CHAP username to be searched
1477  * @password: CHAP password to be searched
1478  * @bidi: Is this a BIDI CHAP
1479  * @chap_index: CHAP index to be returned
1480  *
1481  * Match the username and password in the chap_list, return the index if a
1482  * match is found. If a match is not found then add the entry in FLASH and
1483  * return the index at which entry is written in the FLASH.
1484  **/
1485 int qla4xxx_get_chap_index(struct scsi_qla_host *ha, char *username,
1486                            char *password, int bidi, uint16_t *chap_index)
1487 {
1488         int i, rval;
1489         int free_index = -1;
1490         int found_index = 0;
1491         int max_chap_entries = 0;
1492         struct ql4_chap_table *chap_table;
1493
1494         if (is_qla8022(ha))
1495                 max_chap_entries = (ha->hw.flt_chap_size / 2) /
1496                                                 sizeof(struct ql4_chap_table);
1497         else
1498                 max_chap_entries = MAX_CHAP_ENTRIES_40XX;
1499
1500         if (!ha->chap_list) {
1501                 ql4_printk(KERN_ERR, ha, "Do not have CHAP table cache\n");
1502                 return QLA_ERROR;
1503         }
1504
1505         if (!username || !password) {
1506                 ql4_printk(KERN_ERR, ha, "Do not have username and psw\n");
1507                 return QLA_ERROR;
1508         }
1509
1510         mutex_lock(&ha->chap_sem);
1511         for (i = 0; i < max_chap_entries; i++) {
1512                 chap_table = (struct ql4_chap_table *)ha->chap_list + i;
1513                 if (chap_table->cookie !=
1514                     __constant_cpu_to_le16(CHAP_VALID_COOKIE)) {
1515                         if (i > MAX_RESRV_CHAP_IDX && free_index == -1)
1516                                 free_index = i;
1517                         continue;
1518                 }
1519                 if (bidi) {
1520                         if (chap_table->flags & BIT_7)
1521                                 continue;
1522                 } else {
1523                         if (chap_table->flags & BIT_6)
1524                                 continue;
1525                 }
1526                 if (!strncmp(chap_table->secret, password,
1527                              MAX_CHAP_SECRET_LEN) &&
1528                     !strncmp(chap_table->name, username,
1529                              MAX_CHAP_NAME_LEN)) {
1530                         *chap_index = i;
1531                         found_index = 1;
1532                         break;
1533                 }
1534         }
1535
1536         /* If chap entry is not present and a free index is available then
1537          * write the entry in flash
1538          */
1539         if (!found_index && free_index != -1) {
1540                 rval = qla4xxx_set_chap(ha, username, password,
1541                                         free_index, bidi);
1542                 if (!rval) {
1543                         *chap_index = free_index;
1544                         found_index = 1;
1545                 }
1546         }
1547
1548         mutex_unlock(&ha->chap_sem);
1549
1550         if (found_index)
1551                 return QLA_SUCCESS;
1552         return QLA_ERROR;
1553 }
1554
1555 int qla4xxx_conn_close_sess_logout(struct scsi_qla_host *ha,
1556                                    uint16_t fw_ddb_index,
1557                                    uint16_t connection_id,
1558                                    uint16_t option)
1559 {
1560         uint32_t mbox_cmd[MBOX_REG_COUNT];
1561         uint32_t mbox_sts[MBOX_REG_COUNT];
1562         int status = QLA_SUCCESS;
1563
1564         memset(&mbox_cmd, 0, sizeof(mbox_cmd));
1565         memset(&mbox_sts, 0, sizeof(mbox_sts));
1566
1567         mbox_cmd[0] = MBOX_CMD_CONN_CLOSE_SESS_LOGOUT;
1568         mbox_cmd[1] = fw_ddb_index;
1569         mbox_cmd[2] = connection_id;
1570         mbox_cmd[3] = option;
1571
1572         status = qla4xxx_mailbox_command(ha, 4, 2, &mbox_cmd[0], &mbox_sts[0]);
1573         if (status != QLA_SUCCESS) {
1574                 DEBUG2(ql4_printk(KERN_WARNING, ha, "%s: MBOX_CMD_CONN_CLOSE "
1575                                   "option %04x failed w/ status %04X %04X\n",
1576                                   __func__, option, mbox_sts[0], mbox_sts[1]));
1577         }
1578         return status;
1579 }
1580
1581 int qla4xxx_disable_acb(struct scsi_qla_host *ha)
1582 {
1583         uint32_t mbox_cmd[MBOX_REG_COUNT];
1584         uint32_t mbox_sts[MBOX_REG_COUNT];
1585         int status = QLA_SUCCESS;
1586
1587         memset(&mbox_cmd, 0, sizeof(mbox_cmd));
1588         memset(&mbox_sts, 0, sizeof(mbox_sts));
1589
1590         mbox_cmd[0] = MBOX_CMD_DISABLE_ACB;
1591
1592         status = qla4xxx_mailbox_command(ha, 8, 5, &mbox_cmd[0], &mbox_sts[0]);
1593         if (status != QLA_SUCCESS) {
1594                 DEBUG2(ql4_printk(KERN_WARNING, ha, "%s: MBOX_CMD_DISABLE_ACB "
1595                                   "failed w/ status %04X %04X %04X", __func__,
1596                                   mbox_sts[0], mbox_sts[1], mbox_sts[2]));
1597         }
1598         return status;
1599 }
1600
1601 int qla4xxx_get_acb(struct scsi_qla_host *ha, dma_addr_t acb_dma,
1602                     uint32_t acb_type, uint32_t len)
1603 {
1604         uint32_t mbox_cmd[MBOX_REG_COUNT];
1605         uint32_t mbox_sts[MBOX_REG_COUNT];
1606         int status = QLA_SUCCESS;
1607
1608         memset(&mbox_cmd, 0, sizeof(mbox_cmd));
1609         memset(&mbox_sts, 0, sizeof(mbox_sts));
1610
1611         mbox_cmd[0] = MBOX_CMD_GET_ACB;
1612         mbox_cmd[1] = acb_type;
1613         mbox_cmd[2] = LSDW(acb_dma);
1614         mbox_cmd[3] = MSDW(acb_dma);
1615         mbox_cmd[4] = len;
1616
1617         status = qla4xxx_mailbox_command(ha, 5, 5, &mbox_cmd[0], &mbox_sts[0]);
1618         if (status != QLA_SUCCESS) {
1619                 DEBUG2(ql4_printk(KERN_WARNING, ha, "%s: MBOX_CMD_GET_ACB "
1620                                   "failed w/ status %04X\n", __func__,
1621                                   mbox_sts[0]));
1622         }
1623         return status;
1624 }
1625
1626 int qla4xxx_set_acb(struct scsi_qla_host *ha, uint32_t *mbox_cmd,
1627                     uint32_t *mbox_sts, dma_addr_t acb_dma)
1628 {
1629         int status = QLA_SUCCESS;
1630
1631         memset(mbox_cmd, 0, sizeof(mbox_cmd[0]) * MBOX_REG_COUNT);
1632         memset(mbox_sts, 0, sizeof(mbox_sts[0]) * MBOX_REG_COUNT);
1633         mbox_cmd[0] = MBOX_CMD_SET_ACB;
1634         mbox_cmd[1] = 0; /* Primary ACB */
1635         mbox_cmd[2] = LSDW(acb_dma);
1636         mbox_cmd[3] = MSDW(acb_dma);
1637         mbox_cmd[4] = sizeof(struct addr_ctrl_blk);
1638
1639         status = qla4xxx_mailbox_command(ha, 5, 5, &mbox_cmd[0], &mbox_sts[0]);
1640         if (status != QLA_SUCCESS) {
1641                 DEBUG2(ql4_printk(KERN_WARNING, ha,  "%s: MBOX_CMD_SET_ACB "
1642                                   "failed w/ status %04X\n", __func__,
1643                                   mbox_sts[0]));
1644         }
1645         return status;
1646 }
1647
1648 int qla4xxx_set_param_ddbentry(struct scsi_qla_host *ha,
1649                                struct ddb_entry *ddb_entry,
1650                                struct iscsi_cls_conn *cls_conn,
1651                                uint32_t *mbx_sts)
1652 {
1653         struct dev_db_entry *fw_ddb_entry;
1654         struct iscsi_conn *conn;
1655         struct iscsi_session *sess;
1656         struct qla_conn *qla_conn;
1657         struct sockaddr *dst_addr;
1658         dma_addr_t fw_ddb_entry_dma;
1659         int status = QLA_SUCCESS;
1660         int rval = 0;
1661         struct sockaddr_in *addr;
1662         struct sockaddr_in6 *addr6;
1663         char *ip;
1664         uint16_t iscsi_opts = 0;
1665         uint32_t options = 0;
1666         uint16_t idx, *ptid;
1667
1668         fw_ddb_entry = dma_alloc_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry),
1669                                           &fw_ddb_entry_dma, GFP_KERNEL);
1670         if (!fw_ddb_entry) {
1671                 DEBUG2(ql4_printk(KERN_ERR, ha,
1672                                   "%s: Unable to allocate dma buffer.\n",
1673                                   __func__));
1674                 rval = -ENOMEM;
1675                 goto exit_set_param_no_free;
1676         }
1677
1678         conn = cls_conn->dd_data;
1679         qla_conn = conn->dd_data;
1680         sess = conn->session;
1681         dst_addr = (struct sockaddr *)&qla_conn->qla_ep->dst_addr;
1682
1683         if (dst_addr->sa_family == AF_INET6)
1684                 options |= IPV6_DEFAULT_DDB_ENTRY;
1685
1686         status = qla4xxx_get_default_ddb(ha, options, fw_ddb_entry_dma);
1687         if (status == QLA_ERROR) {
1688                 rval = -EINVAL;
1689                 goto exit_set_param;
1690         }
1691
1692         ptid = (uint16_t *)&fw_ddb_entry->isid[1];
1693         *ptid = cpu_to_le16((uint16_t)ddb_entry->sess->target_id);
1694
1695         DEBUG2(ql4_printk(KERN_INFO, ha, "ISID [%02x%02x%02x%02x%02x%02x]\n",
1696                           fw_ddb_entry->isid[5], fw_ddb_entry->isid[4],
1697                           fw_ddb_entry->isid[3], fw_ddb_entry->isid[2],
1698                           fw_ddb_entry->isid[1], fw_ddb_entry->isid[0]));
1699
1700         iscsi_opts = le16_to_cpu(fw_ddb_entry->iscsi_options);
1701         memset(fw_ddb_entry->iscsi_alias, 0, sizeof(fw_ddb_entry->iscsi_alias));
1702
1703         memset(fw_ddb_entry->iscsi_name, 0, sizeof(fw_ddb_entry->iscsi_name));
1704
1705         if (sess->targetname != NULL) {
1706                 memcpy(fw_ddb_entry->iscsi_name, sess->targetname,
1707                        min(strlen(sess->targetname),
1708                        sizeof(fw_ddb_entry->iscsi_name)));
1709         }
1710
1711         memset(fw_ddb_entry->ip_addr, 0, sizeof(fw_ddb_entry->ip_addr));
1712         memset(fw_ddb_entry->tgt_addr, 0, sizeof(fw_ddb_entry->tgt_addr));
1713
1714         fw_ddb_entry->options =  DDB_OPT_TARGET | DDB_OPT_AUTO_SENDTGTS_DISABLE;
1715
1716         if (dst_addr->sa_family == AF_INET) {
1717                 addr = (struct sockaddr_in *)dst_addr;
1718                 ip = (char *)&addr->sin_addr;
1719                 memcpy(fw_ddb_entry->ip_addr, ip, IP_ADDR_LEN);
1720                 fw_ddb_entry->port = cpu_to_le16(ntohs(addr->sin_port));
1721                 DEBUG2(ql4_printk(KERN_INFO, ha,
1722                                   "%s: Destination Address [%pI4]: index [%d]\n",
1723                                    __func__, fw_ddb_entry->ip_addr,
1724                                   ddb_entry->fw_ddb_index));
1725         } else if (dst_addr->sa_family == AF_INET6) {
1726                 addr6 = (struct sockaddr_in6 *)dst_addr;
1727                 ip = (char *)&addr6->sin6_addr;
1728                 memcpy(fw_ddb_entry->ip_addr, ip, IPv6_ADDR_LEN);
1729                 fw_ddb_entry->port = cpu_to_le16(ntohs(addr6->sin6_port));
1730                 fw_ddb_entry->options |= DDB_OPT_IPV6_DEVICE;
1731                 DEBUG2(ql4_printk(KERN_INFO, ha,
1732                                   "%s: Destination Address [%pI6]: index [%d]\n",
1733                                    __func__, fw_ddb_entry->ip_addr,
1734                                   ddb_entry->fw_ddb_index));
1735         } else {
1736                 ql4_printk(KERN_ERR, ha,
1737                            "%s: Failed to get IP Address\n",
1738                            __func__);
1739                 rval = -EINVAL;
1740                 goto exit_set_param;
1741         }
1742
1743         /* CHAP */
1744         if (sess->username != NULL && sess->password != NULL) {
1745                 if (strlen(sess->username) && strlen(sess->password)) {
1746                         iscsi_opts |= BIT_7;
1747
1748                         rval = qla4xxx_get_chap_index(ha, sess->username,
1749                                                 sess->password,
1750                                                 LOCAL_CHAP, &idx);
1751                         if (rval)
1752                                 goto exit_set_param;
1753
1754                         fw_ddb_entry->chap_tbl_idx = cpu_to_le16(idx);
1755                 }
1756         }
1757
1758         if (sess->username_in != NULL && sess->password_in != NULL) {
1759                 /* Check if BIDI CHAP */
1760                 if (strlen(sess->username_in) && strlen(sess->password_in)) {
1761                         iscsi_opts |= BIT_4;
1762
1763                         rval = qla4xxx_get_chap_index(ha, sess->username_in,
1764                                                       sess->password_in,
1765                                                       BIDI_CHAP, &idx);
1766                         if (rval)
1767                                 goto exit_set_param;
1768                 }
1769         }
1770
1771         if (sess->initial_r2t_en)
1772                 iscsi_opts |= BIT_10;
1773
1774         if (sess->imm_data_en)
1775                 iscsi_opts |= BIT_11;
1776
1777         fw_ddb_entry->iscsi_options = cpu_to_le16(iscsi_opts);
1778
1779         if (conn->max_recv_dlength)
1780                 fw_ddb_entry->iscsi_max_rcv_data_seg_len =
1781                   __constant_cpu_to_le16((conn->max_recv_dlength / BYTE_UNITS));
1782
1783         if (sess->max_r2t)
1784                 fw_ddb_entry->iscsi_max_outsnd_r2t = cpu_to_le16(sess->max_r2t);
1785
1786         if (sess->first_burst)
1787                 fw_ddb_entry->iscsi_first_burst_len =
1788                        __constant_cpu_to_le16((sess->first_burst / BYTE_UNITS));
1789
1790         if (sess->max_burst)
1791                 fw_ddb_entry->iscsi_max_burst_len =
1792                         __constant_cpu_to_le16((sess->max_burst / BYTE_UNITS));
1793
1794         if (sess->time2wait)
1795                 fw_ddb_entry->iscsi_def_time2wait =
1796                         cpu_to_le16(sess->time2wait);
1797
1798         if (sess->time2retain)
1799                 fw_ddb_entry->iscsi_def_time2retain =
1800                         cpu_to_le16(sess->time2retain);
1801
1802         status = qla4xxx_set_ddb_entry(ha, ddb_entry->fw_ddb_index,
1803                                        fw_ddb_entry_dma, mbx_sts);
1804
1805         if (status != QLA_SUCCESS)
1806                 rval = -EINVAL;
1807 exit_set_param:
1808         dma_free_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry),
1809                           fw_ddb_entry, fw_ddb_entry_dma);
1810 exit_set_param_no_free:
1811         return rval;
1812 }
1813
1814 int qla4xxx_get_mgmt_data(struct scsi_qla_host *ha, uint16_t fw_ddb_index,
1815                           uint16_t stats_size, dma_addr_t stats_dma)
1816 {
1817         int status = QLA_SUCCESS;
1818         uint32_t mbox_cmd[MBOX_REG_COUNT];
1819         uint32_t mbox_sts[MBOX_REG_COUNT];
1820
1821         memset(mbox_cmd, 0, sizeof(mbox_cmd[0]) * MBOX_REG_COUNT);
1822         memset(mbox_sts, 0, sizeof(mbox_sts[0]) * MBOX_REG_COUNT);
1823         mbox_cmd[0] = MBOX_CMD_GET_MANAGEMENT_DATA;
1824         mbox_cmd[1] = fw_ddb_index;
1825         mbox_cmd[2] = LSDW(stats_dma);
1826         mbox_cmd[3] = MSDW(stats_dma);
1827         mbox_cmd[4] = stats_size;
1828
1829         status = qla4xxx_mailbox_command(ha, 5, 1, &mbox_cmd[0], &mbox_sts[0]);
1830         if (status != QLA_SUCCESS) {
1831                 DEBUG2(ql4_printk(KERN_WARNING, ha,
1832                                   "%s: MBOX_CMD_GET_MANAGEMENT_DATA "
1833                                   "failed w/ status %04X\n", __func__,
1834                                   mbox_sts[0]));
1835         }
1836         return status;
1837 }
1838
1839 int qla4xxx_get_ip_state(struct scsi_qla_host *ha, uint32_t acb_idx,
1840                          uint32_t ip_idx, uint32_t *sts)
1841 {
1842         uint32_t mbox_cmd[MBOX_REG_COUNT];
1843         uint32_t mbox_sts[MBOX_REG_COUNT];
1844         int status = QLA_SUCCESS;
1845
1846         memset(&mbox_cmd, 0, sizeof(mbox_cmd));
1847         memset(&mbox_sts, 0, sizeof(mbox_sts));
1848         mbox_cmd[0] = MBOX_CMD_GET_IP_ADDR_STATE;
1849         mbox_cmd[1] = acb_idx;
1850         mbox_cmd[2] = ip_idx;
1851
1852         status = qla4xxx_mailbox_command(ha, 3, 8, &mbox_cmd[0], &mbox_sts[0]);
1853         if (status != QLA_SUCCESS) {
1854                 DEBUG2(ql4_printk(KERN_WARNING, ha,  "%s: "
1855                                   "MBOX_CMD_GET_IP_ADDR_STATE failed w/ "
1856                                   "status %04X\n", __func__, mbox_sts[0]));
1857         }
1858         memcpy(sts, mbox_sts, sizeof(mbox_sts));
1859         return status;
1860 }
1861
1862 int qla4xxx_get_nvram(struct scsi_qla_host *ha, dma_addr_t nvram_dma,
1863                       uint32_t offset, uint32_t size)
1864 {
1865         int status = QLA_SUCCESS;
1866         uint32_t mbox_cmd[MBOX_REG_COUNT];
1867         uint32_t mbox_sts[MBOX_REG_COUNT];
1868
1869         memset(&mbox_cmd, 0, sizeof(mbox_cmd));
1870         memset(&mbox_sts, 0, sizeof(mbox_sts));
1871
1872         mbox_cmd[0] = MBOX_CMD_GET_NVRAM;
1873         mbox_cmd[1] = LSDW(nvram_dma);
1874         mbox_cmd[2] = MSDW(nvram_dma);
1875         mbox_cmd[3] = offset;
1876         mbox_cmd[4] = size;
1877
1878         status = qla4xxx_mailbox_command(ha, MBOX_REG_COUNT, 1, &mbox_cmd[0],
1879                                          &mbox_sts[0]);
1880         if (status != QLA_SUCCESS) {
1881                 DEBUG2(ql4_printk(KERN_ERR, ha, "scsi%ld: %s: failed "
1882                                   "status %04X\n", ha->host_no, __func__,
1883                                   mbox_sts[0]));
1884         }
1885         return status;
1886 }
1887
1888 int qla4xxx_set_nvram(struct scsi_qla_host *ha, dma_addr_t nvram_dma,
1889                       uint32_t offset, uint32_t size)
1890 {
1891         int status = QLA_SUCCESS;
1892         uint32_t mbox_cmd[MBOX_REG_COUNT];
1893         uint32_t mbox_sts[MBOX_REG_COUNT];
1894
1895         memset(&mbox_cmd, 0, sizeof(mbox_cmd));
1896         memset(&mbox_sts, 0, sizeof(mbox_sts));
1897
1898         mbox_cmd[0] = MBOX_CMD_SET_NVRAM;
1899         mbox_cmd[1] = LSDW(nvram_dma);
1900         mbox_cmd[2] = MSDW(nvram_dma);
1901         mbox_cmd[3] = offset;
1902         mbox_cmd[4] = size;
1903
1904         status = qla4xxx_mailbox_command(ha, MBOX_REG_COUNT, 1, &mbox_cmd[0],
1905                                          &mbox_sts[0]);
1906         if (status != QLA_SUCCESS) {
1907                 DEBUG2(ql4_printk(KERN_ERR, ha, "scsi%ld: %s: failed "
1908                                   "status %04X\n", ha->host_no, __func__,
1909                                   mbox_sts[0]));
1910         }
1911         return status;
1912 }
1913
1914 int qla4xxx_restore_factory_defaults(struct scsi_qla_host *ha,
1915                                      uint32_t region, uint32_t field0,
1916                                      uint32_t field1)
1917 {
1918         int status = QLA_SUCCESS;
1919         uint32_t mbox_cmd[MBOX_REG_COUNT];
1920         uint32_t mbox_sts[MBOX_REG_COUNT];
1921
1922         memset(&mbox_cmd, 0, sizeof(mbox_cmd));
1923         memset(&mbox_sts, 0, sizeof(mbox_sts));
1924
1925         mbox_cmd[0] = MBOX_CMD_RESTORE_FACTORY_DEFAULTS;
1926         mbox_cmd[3] = region;
1927         mbox_cmd[4] = field0;
1928         mbox_cmd[5] = field1;
1929
1930         status = qla4xxx_mailbox_command(ha, MBOX_REG_COUNT, 3, &mbox_cmd[0],
1931                                          &mbox_sts[0]);
1932         if (status != QLA_SUCCESS) {
1933                 DEBUG2(ql4_printk(KERN_ERR, ha, "scsi%ld: %s: failed "
1934                                   "status %04X\n", ha->host_no, __func__,
1935                                   mbox_sts[0]));
1936         }
1937         return status;
1938 }
1939
1940 /**
1941  * qla4_8xxx_set_param - set driver version in firmware.
1942  * @ha: Pointer to host adapter structure.
1943  * @param: Parameter to set i.e driver version
1944  **/
1945 int qla4_8xxx_set_param(struct scsi_qla_host *ha, int param)
1946 {
1947         uint32_t mbox_cmd[MBOX_REG_COUNT];
1948         uint32_t mbox_sts[MBOX_REG_COUNT];
1949         uint32_t status;
1950
1951         memset(&mbox_cmd, 0, sizeof(mbox_cmd));
1952         memset(&mbox_sts, 0, sizeof(mbox_sts));
1953
1954         mbox_cmd[0] = MBOX_CMD_SET_PARAM;
1955         if (param == SET_DRVR_VERSION) {
1956                 mbox_cmd[1] = SET_DRVR_VERSION;
1957                 strncpy((char *)&mbox_cmd[2], QLA4XXX_DRIVER_VERSION,
1958                         MAX_DRVR_VER_LEN);
1959         } else {
1960                 ql4_printk(KERN_ERR, ha, "%s: invalid parameter 0x%x\n",
1961                            __func__, param);
1962                 status = QLA_ERROR;
1963                 goto exit_set_param;
1964         }
1965
1966         status = qla4xxx_mailbox_command(ha, MBOX_REG_COUNT, 2, mbox_cmd,
1967                                          mbox_sts);
1968         if (status == QLA_ERROR)
1969                 ql4_printk(KERN_ERR, ha, "%s: failed status %04X\n",
1970                            __func__, mbox_sts[0]);
1971
1972 exit_set_param:
1973         return status;
1974 }
1975
1976 /**
1977  * qla4_83xx_post_idc_ack - post IDC ACK
1978  * @ha: Pointer to host adapter structure.
1979  *
1980  * Posts IDC ACK for IDC Request Notification AEN.
1981  **/
1982 int qla4_83xx_post_idc_ack(struct scsi_qla_host *ha)
1983 {
1984         uint32_t mbox_cmd[MBOX_REG_COUNT];
1985         uint32_t mbox_sts[MBOX_REG_COUNT];
1986         int status;
1987
1988         memset(&mbox_cmd, 0, sizeof(mbox_cmd));
1989         memset(&mbox_sts, 0, sizeof(mbox_sts));
1990
1991         mbox_cmd[0] = MBOX_CMD_IDC_ACK;
1992         mbox_cmd[1] = ha->idc_info.request_desc;
1993         mbox_cmd[2] = ha->idc_info.info1;
1994         mbox_cmd[3] = ha->idc_info.info2;
1995         mbox_cmd[4] = ha->idc_info.info3;
1996
1997         status = qla4xxx_mailbox_command(ha, MBOX_REG_COUNT, MBOX_REG_COUNT,
1998                                          mbox_cmd, mbox_sts);
1999         if (status == QLA_ERROR)
2000                 ql4_printk(KERN_ERR, ha, "%s: failed status %04X\n", __func__,
2001                            mbox_sts[0]);
2002         else
2003                DEBUG2(ql4_printk(KERN_INFO, ha, "%s: IDC ACK posted\n",
2004                                  __func__));
2005
2006         return status;
2007 }