]> pilppa.org Git - linux-2.6-omap-h63xx.git/blobdiff - drivers/scsi/lpfc/lpfc_attr.c
Merge branch 'juju' of git://git.kernel.org/pub/scm/linux/kernel/git/ieee1394/linux13...
[linux-2.6-omap-h63xx.git] / drivers / scsi / lpfc / lpfc_attr.c
index d384c16f4a87c6213b23ce3f91e70369d682adce..95fe77e816f80a756b937f6012b8ab989e14ac74 100644 (file)
@@ -1,7 +1,7 @@
 /*******************************************************************
  * This file is part of the Emulex Linux Device Driver for         *
  * Fibre Channel Host Bus Adapters.                                *
- * Copyright (C) 2004-2006 Emulex.  All rights reserved.           *
+ * Copyright (C) 2004-2007 Emulex.  All rights reserved.           *
  * EMULEX and SLI are trademarks of Emulex.                        *
  * www.emulex.com                                                  *
  * Portions Copyright (C) 2004-2005 Christoph Hellwig              *
@@ -20,6 +20,7 @@
  *******************************************************************/
 
 #include <linux/ctype.h>
+#include <linux/delay.h>
 #include <linux/pci.h>
 #include <linux/interrupt.h>
 
@@ -39,6 +40,9 @@
 #include "lpfc_compat.h"
 #include "lpfc_crtn.h"
 
+#define LPFC_DEF_DEVLOSS_TMO 30
+#define LPFC_MIN_DEVLOSS_TMO 1
+#define LPFC_MAX_DEVLOSS_TMO 255
 
 static void
 lpfc_jedec_to_ascii(int incr, char hdw[])
@@ -210,6 +214,7 @@ lpfc_issue_lip(struct Scsi_Host *host)
        int mbxstatus = MBXERR_ERROR;
 
        if ((phba->fc_flag & FC_OFFLINE_MODE) ||
+           (phba->fc_flag & FC_BLOCK_MGMT_IO) ||
            (phba->hba_state != LPFC_HBA_READY))
                return -EPERM;
 
@@ -232,6 +237,7 @@ lpfc_issue_lip(struct Scsi_Host *host)
                                                     phba->fc_ratov * 2);
        }
 
+       lpfc_set_loopback_flag(phba);
        if (mbxstatus == MBX_TIMEOUT)
                pmboxq->mbox_cmpl = lpfc_sli_def_mbox_cmpl;
        else
@@ -244,19 +250,62 @@ lpfc_issue_lip(struct Scsi_Host *host)
 }
 
 static int
-lpfc_selective_reset(struct lpfc_hba *phba)
+lpfc_do_offline(struct lpfc_hba *phba, uint32_t type)
 {
        struct completion online_compl;
+       struct lpfc_sli_ring *pring;
+       struct lpfc_sli *psli;
        int status = 0;
+       int cnt = 0;
+       int i;
 
        init_completion(&online_compl);
        lpfc_workq_post_event(phba, &status, &online_compl,
-                             LPFC_EVT_OFFLINE);
+                             LPFC_EVT_OFFLINE_PREP);
        wait_for_completion(&online_compl);
 
        if (status != 0)
                return -EIO;
 
+       psli = &phba->sli;
+
+       for (i = 0; i < psli->num_rings; i++) {
+               pring = &psli->ring[i];
+               /* The linkdown event takes 30 seconds to timeout. */
+               while (pring->txcmplq_cnt) {
+                       msleep(10);
+                       if (cnt++ > 3000) {
+                               lpfc_printf_log(phba,
+                                       KERN_WARNING, LOG_INIT,
+                                       "%d:0466 Outstanding IO when "
+                                       "bringing Adapter offline\n",
+                                       phba->brd_no);
+                               break;
+                       }
+               }
+       }
+
+       init_completion(&online_compl);
+       lpfc_workq_post_event(phba, &status, &online_compl, type);
+       wait_for_completion(&online_compl);
+
+       if (status != 0)
+               return -EIO;
+
+       return 0;
+}
+
+static int
+lpfc_selective_reset(struct lpfc_hba *phba)
+{
+       struct completion online_compl;
+       int status = 0;
+
+       status = lpfc_do_offline(phba, LPFC_EVT_OFFLINE);
+
+       if (status != 0)
+               return status;
+
        init_completion(&online_compl);
        lpfc_workq_post_event(phba, &status, &online_compl,
                              LPFC_EVT_ONLINE);
@@ -321,23 +370,19 @@ lpfc_board_mode_store(struct class_device *cdev, const char *buf, size_t count)
 
        init_completion(&online_compl);
 
-       if(strncmp(buf, "online", sizeof("online") - 1) == 0)
+       if(strncmp(buf, "online", sizeof("online") - 1) == 0) {
                lpfc_workq_post_event(phba, &status, &online_compl,
                                      LPFC_EVT_ONLINE);
-       else if (strncmp(buf, "offline", sizeof("offline") - 1) == 0)
-               lpfc_workq_post_event(phba, &status, &online_compl,
-                                     LPFC_EVT_OFFLINE);
+               wait_for_completion(&online_compl);
+       } else if (strncmp(buf, "offline", sizeof("offline") - 1) == 0)
+               status = lpfc_do_offline(phba, LPFC_EVT_OFFLINE);
        else if (strncmp(buf, "warm", sizeof("warm") - 1) == 0)
-               lpfc_workq_post_event(phba, &status, &online_compl,
-                                     LPFC_EVT_WARM_START);
-       else if (strncmp(buf, "error", sizeof("error") - 1) == 0)
-               lpfc_workq_post_event(phba, &status, &online_compl,
-                                     LPFC_EVT_KILL);
+               status = lpfc_do_offline(phba, LPFC_EVT_WARM_START);
+       else if (strncmp(buf, "error", sizeof("error") - 1) == 0)
+               status = lpfc_do_offline(phba, LPFC_EVT_KILL);
        else
                return -EINVAL;
 
-       wait_for_completion(&online_compl);
-
        if (!status)
                return strlen(buf);
        else
@@ -548,6 +593,180 @@ static CLASS_DEVICE_ATTR(board_mode, S_IRUGO | S_IWUSR,
                         lpfc_board_mode_show, lpfc_board_mode_store);
 static CLASS_DEVICE_ATTR(issue_reset, S_IWUSR, NULL, lpfc_issue_reset);
 
+
+static char *lpfc_soft_wwn_key = "C99G71SL8032A";
+
+static ssize_t
+lpfc_soft_wwn_enable_store(struct class_device *cdev, const char *buf,
+                               size_t count)
+{
+       struct Scsi_Host *host = class_to_shost(cdev);
+       struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata;
+       unsigned int cnt = count;
+
+       /*
+        * We're doing a simple sanity check for soft_wwpn setting.
+        * We require that the user write a specific key to enable
+        * the soft_wwpn attribute to be settable. Once the attribute
+        * is written, the enable key resets. If further updates are
+        * desired, the key must be written again to re-enable the
+        * attribute.
+        *
+        * The "key" is not secret - it is a hardcoded string shown
+        * here. The intent is to protect against the random user or
+        * application that is just writing attributes.
+        */
+
+       /* count may include a LF at end of string */
+       if (buf[cnt-1] == '\n')
+               cnt--;
+
+       if ((cnt != strlen(lpfc_soft_wwn_key)) ||
+           (strncmp(buf, lpfc_soft_wwn_key, strlen(lpfc_soft_wwn_key)) != 0))
+               return -EINVAL;
+
+       phba->soft_wwn_enable = 1;
+       return count;
+}
+static CLASS_DEVICE_ATTR(lpfc_soft_wwn_enable, S_IWUSR, NULL,
+                               lpfc_soft_wwn_enable_store);
+
+static ssize_t
+lpfc_soft_wwpn_show(struct class_device *cdev, char *buf)
+{
+       struct Scsi_Host *host = class_to_shost(cdev);
+       struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata;
+       return snprintf(buf, PAGE_SIZE, "0x%llx\n",
+                       (unsigned long long)phba->cfg_soft_wwpn);
+}
+
+
+static ssize_t
+lpfc_soft_wwpn_store(struct class_device *cdev, const char *buf, size_t count)
+{
+       struct Scsi_Host *host = class_to_shost(cdev);
+       struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata;
+       struct completion online_compl;
+       int stat1=0, stat2=0;
+       unsigned int i, j, cnt=count;
+       u8 wwpn[8];
+
+       /* count may include a LF at end of string */
+       if (buf[cnt-1] == '\n')
+               cnt--;
+
+       if (!phba->soft_wwn_enable || (cnt < 16) || (cnt > 18) ||
+           ((cnt == 17) && (*buf++ != 'x')) ||
+           ((cnt == 18) && ((*buf++ != '0') || (*buf++ != 'x'))))
+               return -EINVAL;
+
+       phba->soft_wwn_enable = 0;
+
+       memset(wwpn, 0, sizeof(wwpn));
+
+       /* Validate and store the new name */
+       for (i=0, j=0; i < 16; i++) {
+               if ((*buf >= 'a') && (*buf <= 'f'))
+                       j = ((j << 4) | ((*buf++ -'a') + 10));
+               else if ((*buf >= 'A') && (*buf <= 'F'))
+                       j = ((j << 4) | ((*buf++ -'A') + 10));
+               else if ((*buf >= '0') && (*buf <= '9'))
+                       j = ((j << 4) | (*buf++ -'0'));
+               else
+                       return -EINVAL;
+               if (i % 2) {
+                       wwpn[i/2] = j & 0xff;
+                       j = 0;
+               }
+       }
+       phba->cfg_soft_wwpn = wwn_to_u64(wwpn);
+       fc_host_port_name(host) = phba->cfg_soft_wwpn;
+       if (phba->cfg_soft_wwnn)
+               fc_host_node_name(host) = phba->cfg_soft_wwnn;
+
+       dev_printk(KERN_NOTICE, &phba->pcidev->dev,
+                  "lpfc%d: Reinitializing to use soft_wwpn\n", phba->brd_no);
+
+       stat1 = lpfc_do_offline(phba, LPFC_EVT_OFFLINE);
+       if (stat1)
+               lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
+                       "%d:0463 lpfc_soft_wwpn attribute set failed to reinit "
+                       "adapter - %d\n", phba->brd_no, stat1);
+
+       init_completion(&online_compl);
+       lpfc_workq_post_event(phba, &stat2, &online_compl, LPFC_EVT_ONLINE);
+       wait_for_completion(&online_compl);
+       if (stat2)
+               lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
+                       "%d:0464 lpfc_soft_wwpn attribute set failed to reinit "
+                       "adapter - %d\n", phba->brd_no, stat2);
+
+       return (stat1 || stat2) ? -EIO : count;
+}
+static CLASS_DEVICE_ATTR(lpfc_soft_wwpn, S_IRUGO | S_IWUSR,\
+                        lpfc_soft_wwpn_show, lpfc_soft_wwpn_store);
+
+static ssize_t
+lpfc_soft_wwnn_show(struct class_device *cdev, char *buf)
+{
+       struct Scsi_Host *host = class_to_shost(cdev);
+       struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata;
+       return snprintf(buf, PAGE_SIZE, "0x%llx\n",
+                       (unsigned long long)phba->cfg_soft_wwnn);
+}
+
+
+static ssize_t
+lpfc_soft_wwnn_store(struct class_device *cdev, const char *buf, size_t count)
+{
+       struct Scsi_Host *host = class_to_shost(cdev);
+       struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata;
+       unsigned int i, j, cnt=count;
+       u8 wwnn[8];
+
+       /* count may include a LF at end of string */
+       if (buf[cnt-1] == '\n')
+               cnt--;
+
+       if (!phba->soft_wwn_enable || (cnt < 16) || (cnt > 18) ||
+           ((cnt == 17) && (*buf++ != 'x')) ||
+           ((cnt == 18) && ((*buf++ != '0') || (*buf++ != 'x'))))
+               return -EINVAL;
+
+       /*
+        * Allow wwnn to be set many times, as long as the enable is set.
+        * However, once the wwpn is set, everything locks.
+        */
+
+       memset(wwnn, 0, sizeof(wwnn));
+
+       /* Validate and store the new name */
+       for (i=0, j=0; i < 16; i++) {
+               if ((*buf >= 'a') && (*buf <= 'f'))
+                       j = ((j << 4) | ((*buf++ -'a') + 10));
+               else if ((*buf >= 'A') && (*buf <= 'F'))
+                       j = ((j << 4) | ((*buf++ -'A') + 10));
+               else if ((*buf >= '0') && (*buf <= '9'))
+                       j = ((j << 4) | (*buf++ -'0'));
+               else
+                       return -EINVAL;
+               if (i % 2) {
+                       wwnn[i/2] = j & 0xff;
+                       j = 0;
+               }
+       }
+       phba->cfg_soft_wwnn = wwn_to_u64(wwnn);
+
+       dev_printk(KERN_NOTICE, &phba->pcidev->dev,
+                  "lpfc%d: soft_wwnn set. Value will take effect upon "
+                  "setting of the soft_wwpn\n", phba->brd_no);
+
+       return count;
+}
+static CLASS_DEVICE_ATTR(lpfc_soft_wwnn, S_IRUGO | S_IWUSR,\
+                        lpfc_soft_wwnn_show, lpfc_soft_wwnn_store);
+
+
 static int lpfc_poll = 0;
 module_param(lpfc_poll, int, 0);
 MODULE_PARM_DESC(lpfc_poll, "FCP ring polling mode control:"
@@ -558,6 +777,137 @@ MODULE_PARM_DESC(lpfc_poll, "FCP ring polling mode control:"
 static CLASS_DEVICE_ATTR(lpfc_poll, S_IRUGO | S_IWUSR,
                         lpfc_poll_show, lpfc_poll_store);
 
+/*
+# lpfc_nodev_tmo: If set, it will hold all I/O errors on devices that disappear
+# until the timer expires. Value range is [0,255]. Default value is 30.
+*/
+static int lpfc_nodev_tmo = LPFC_DEF_DEVLOSS_TMO;
+static int lpfc_devloss_tmo = LPFC_DEF_DEVLOSS_TMO;
+module_param(lpfc_nodev_tmo, int, 0);
+MODULE_PARM_DESC(lpfc_nodev_tmo,
+                "Seconds driver will hold I/O waiting "
+                "for a device to come back");
+static ssize_t
+lpfc_nodev_tmo_show(struct class_device *cdev, char *buf)
+{
+       struct Scsi_Host *host = class_to_shost(cdev);
+       struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata;
+       int val = 0;
+       val = phba->cfg_devloss_tmo;
+       return snprintf(buf, PAGE_SIZE, "%d\n",
+                       phba->cfg_devloss_tmo);
+}
+
+static int
+lpfc_nodev_tmo_init(struct lpfc_hba *phba, int val)
+{
+       static int warned;
+       if (phba->cfg_devloss_tmo !=  LPFC_DEF_DEVLOSS_TMO) {
+               phba->cfg_nodev_tmo = phba->cfg_devloss_tmo;
+               if (!warned && val != LPFC_DEF_DEVLOSS_TMO) {
+                       warned = 1;
+                       lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
+                                       "%d:0402 Ignoring nodev_tmo module "
+                                       "parameter because devloss_tmo is"
+                                       " set.\n",
+                                       phba->brd_no);
+               }
+               return 0;
+       }
+
+       if (val >= LPFC_MIN_DEVLOSS_TMO && val <= LPFC_MAX_DEVLOSS_TMO) {
+               phba->cfg_nodev_tmo = val;
+               phba->cfg_devloss_tmo = val;
+               return 0;
+       }
+       lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
+                       "%d:0400 lpfc_nodev_tmo attribute cannot be set to %d, "
+                       "allowed range is [%d, %d]\n",
+                       phba->brd_no, val,
+                       LPFC_MIN_DEVLOSS_TMO, LPFC_MAX_DEVLOSS_TMO);
+       phba->cfg_nodev_tmo = LPFC_DEF_DEVLOSS_TMO;
+       return -EINVAL;
+}
+
+static void
+lpfc_update_rport_devloss_tmo(struct lpfc_hba *phba)
+{
+       struct lpfc_nodelist  *ndlp;
+
+       spin_lock_irq(phba->host->host_lock);
+       list_for_each_entry(ndlp, &phba->fc_nodes, nlp_listp)
+               if (ndlp->rport)
+                       ndlp->rport->dev_loss_tmo = phba->cfg_devloss_tmo;
+       spin_unlock_irq(phba->host->host_lock);
+}
+
+static int
+lpfc_nodev_tmo_set(struct lpfc_hba *phba, int val)
+{
+       if (phba->dev_loss_tmo_changed ||
+               (lpfc_devloss_tmo != LPFC_DEF_DEVLOSS_TMO)) {
+               lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
+                               "%d:0401 Ignoring change to nodev_tmo "
+                               "because devloss_tmo is set.\n",
+                               phba->brd_no);
+               return 0;
+       }
+
+       if (val >= LPFC_MIN_DEVLOSS_TMO && val <= LPFC_MAX_DEVLOSS_TMO) {
+               phba->cfg_nodev_tmo = val;
+               phba->cfg_devloss_tmo = val;
+               lpfc_update_rport_devloss_tmo(phba);
+               return 0;
+       }
+
+       lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
+                       "%d:0403 lpfc_nodev_tmo attribute cannot be set to %d, "
+                       "allowed range is [%d, %d]\n",
+                       phba->brd_no, val, LPFC_MIN_DEVLOSS_TMO,
+                       LPFC_MAX_DEVLOSS_TMO);
+       return -EINVAL;
+}
+
+lpfc_param_store(nodev_tmo)
+
+static CLASS_DEVICE_ATTR(lpfc_nodev_tmo, S_IRUGO | S_IWUSR,
+                        lpfc_nodev_tmo_show, lpfc_nodev_tmo_store);
+
+/*
+# lpfc_devloss_tmo: If set, it will hold all I/O errors on devices that
+# disappear until the timer expires. Value range is [0,255]. Default
+# value is 30.
+*/
+module_param(lpfc_devloss_tmo, int, 0);
+MODULE_PARM_DESC(lpfc_devloss_tmo,
+                "Seconds driver will hold I/O waiting "
+                "for a device to come back");
+lpfc_param_init(devloss_tmo, LPFC_DEF_DEVLOSS_TMO,
+               LPFC_MIN_DEVLOSS_TMO, LPFC_MAX_DEVLOSS_TMO)
+lpfc_param_show(devloss_tmo)
+static int
+lpfc_devloss_tmo_set(struct lpfc_hba *phba, int val)
+{
+       if (val >= LPFC_MIN_DEVLOSS_TMO && val <= LPFC_MAX_DEVLOSS_TMO) {
+               phba->cfg_nodev_tmo = val;
+               phba->cfg_devloss_tmo = val;
+               phba->dev_loss_tmo_changed = 1;
+               lpfc_update_rport_devloss_tmo(phba);
+               return 0;
+       }
+
+       lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
+                       "%d:0404 lpfc_devloss_tmo attribute cannot be set to"
+                       " %d, allowed range is [%d, %d]\n",
+                       phba->brd_no, val, LPFC_MIN_DEVLOSS_TMO,
+                       LPFC_MAX_DEVLOSS_TMO);
+       return -EINVAL;
+}
+
+lpfc_param_store(devloss_tmo)
+static CLASS_DEVICE_ATTR(lpfc_devloss_tmo, S_IRUGO | S_IWUSR,
+       lpfc_devloss_tmo_show, lpfc_devloss_tmo_store);
+
 /*
 # lpfc_log_verbose: Only turn this flag on if you are willing to risk being
 # deluged with LOTS of information.
@@ -568,12 +918,11 @@ static CLASS_DEVICE_ATTR(lpfc_poll, S_IRUGO | S_IWUSR,
 # LOG_MBOX                      0x4        Mailbox events
 # LOG_INIT                      0x8        Initialization events
 # LOG_LINK_EVENT                0x10       Link events
-# LOG_IP                        0x20       IP traffic history
 # LOG_FCP                       0x40       FCP traffic history
 # LOG_NODE                      0x80       Node table events
 # LOG_MISC                      0x400      Miscellaneous events
 # LOG_SLI                       0x800      SLI events
-# LOG_CHK_COND                  0x1000     FCP Check condition flag
+# LOG_FCP_ERROR                 0x1000     Only log FCP errors
 # LOG_LIBDFC                    0x2000     LIBDFC events
 # LOG_ALL_MSG                   0xffff     LOG all messages
 */
@@ -616,14 +965,6 @@ LPFC_ATTR_R(hba_queue_depth, 8192, 32, 8192,
 LPFC_ATTR_R(scan_down, 1, 0, 1,
             "Start scanning for devices from highest ALPA to lowest");
 
-/*
-# lpfc_nodev_tmo: If set, it will hold all I/O errors on devices that disappear
-# until the timer expires. Value range is [0,255]. Default value is 30.
-# NOTE: this MUST be less then the SCSI Layer command timeout - 1.
-*/
-LPFC_ATTR_RW(nodev_tmo, 30, 0, 255,
-            "Seconds driver will hold I/O waiting for a device to come back");
-
 /*
 # lpfc_topology:  link topology for init link
 #            0x0  = attempt loop mode then point-to-point
@@ -644,9 +985,10 @@ LPFC_ATTR_RW(topology, 0, 0, 6, "Select Fibre Channel topology");
 #       1  = 1 Gigabaud
 #       2  = 2 Gigabaud
 #       4  = 4 Gigabaud
-# Value range is [0,4]. Default value is 0.
+#       8  = 8 Gigabaud
+# Value range is [0,8]. Default value is 0.
 */
-LPFC_ATTR_R(link_speed, 0, 0, 4, "Select link speed");
+LPFC_ATTR_R(link_speed, 0, 0, 8, "Select link speed");
 
 /*
 # lpfc_fcp_class:  Determines FC class to use for the FCP protocol.
@@ -671,7 +1013,7 @@ LPFC_ATTR_R(ack0, 0, 0, 1, "Enable ACK0 support");
 /*
 # lpfc_cr_delay & lpfc_cr_count: Default values for I/O colaesing
 # cr_delay (msec) or cr_count outstanding commands. cr_delay can take
-# value [0,63]. cr_count can take value [0,255]. Default value of cr_delay
+# value [0,63]. cr_count can take value [1,255]. Default value of cr_delay
 # is 0. Default value of cr_count is 1. The cr_count feature is disabled if
 # cr_delay is set to 0.
 */
@@ -689,6 +1031,22 @@ LPFC_ATTR_RW(cr_count, 1, 1, 255, "A count of I/O completions after which an "
 LPFC_ATTR_R(multi_ring_support, 1, 1, 2, "Determines number of primary "
                "SLI rings to spread IOCB entries across");
 
+/*
+# lpfc_multi_ring_rctl:  If lpfc_multi_ring_support is enabled, this
+# identifies what rctl value to configure the additional ring for.
+# Value range is [1,0xff]. Default value is 4 (Unsolicated Data).
+*/
+LPFC_ATTR_R(multi_ring_rctl, FC_UNSOL_DATA, 1,
+            255, "Identifies RCTL for additional ring configuration");
+
+/*
+# lpfc_multi_ring_type:  If lpfc_multi_ring_support is enabled, this
+# identifies what type value to configure the additional ring for.
+# Value range is [1,0xff]. Default value is 5 (LLC/SNAP).
+*/
+LPFC_ATTR_R(multi_ring_type, FC_LLC_SNAP, 1,
+            255, "Identifies TYPE for additional ring configuration");
+
 /*
 # lpfc_fdmi_on: controls FDMI support.
 #       0 = no FDMI support
@@ -720,6 +1078,16 @@ LPFC_ATTR_R(max_luns, 255, 0, 65535,
 LPFC_ATTR_RW(poll_tmo, 10, 1, 255,
             "Milliseconds driver will wait between polling FCP ring");
 
+/*
+# lpfc_use_msi: Use MSI (Message Signaled Interrupts) in systems that
+#              support this feature
+#       0  = MSI disabled (default)
+#       1  = MSI enabled
+# Value range is [0,1]. Default value is 0.
+*/
+LPFC_ATTR_R(use_msi, 0, 0, 1, "Use Message Signaled Interrupts, if possible");
+
+
 struct class_device_attribute *lpfc_host_attrs[] = {
        &class_device_attr_info,
        &class_device_attr_serialnum,
@@ -737,6 +1105,7 @@ struct class_device_attribute *lpfc_host_attrs[] = {
        &class_device_attr_lpfc_lun_queue_depth,
        &class_device_attr_lpfc_hba_queue_depth,
        &class_device_attr_lpfc_nodev_tmo,
+       &class_device_attr_lpfc_devloss_tmo,
        &class_device_attr_lpfc_fcp_class,
        &class_device_attr_lpfc_use_adisc,
        &class_device_attr_lpfc_ack0,
@@ -746,6 +1115,8 @@ struct class_device_attribute *lpfc_host_attrs[] = {
        &class_device_attr_lpfc_cr_delay,
        &class_device_attr_lpfc_cr_count,
        &class_device_attr_lpfc_multi_ring_support,
+       &class_device_attr_lpfc_multi_ring_rctl,
+       &class_device_attr_lpfc_multi_ring_type,
        &class_device_attr_lpfc_fdmi_on,
        &class_device_attr_lpfc_max_luns,
        &class_device_attr_nport_evt_cnt,
@@ -754,6 +1125,10 @@ struct class_device_attribute *lpfc_host_attrs[] = {
        &class_device_attr_issue_reset,
        &class_device_attr_lpfc_poll,
        &class_device_attr_lpfc_poll_tmo,
+       &class_device_attr_lpfc_use_msi,
+       &class_device_attr_lpfc_soft_wwnn,
+       &class_device_attr_lpfc_soft_wwpn,
+       &class_device_attr_lpfc_soft_wwn_enable,
        NULL,
 };
 
@@ -907,11 +1282,11 @@ sysfs_mbox_read(struct kobject *kobj, char *buf, loff_t off, size_t count)
        struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata;
        int rc;
 
-       if (off > sizeof(MAILBOX_t))
+       if (off > MAILBOX_CMD_SIZE)
                return -ERANGE;
 
-       if ((count + off) > sizeof(MAILBOX_t))
-               count = sizeof(MAILBOX_t) - off;
+       if ((count + off) > MAILBOX_CMD_SIZE)
+               count = MAILBOX_CMD_SIZE - off;
 
        if (off % 4 ||  count % 4 || (unsigned long)buf % 4)
                return -EINVAL;
@@ -987,6 +1362,12 @@ sysfs_mbox_read(struct kobject *kobj, char *buf, loff_t off, size_t count)
                        return -EPERM;
                }
 
+               if (phba->fc_flag & FC_BLOCK_MGMT_IO) {
+                       sysfs_mbox_idle(phba);
+                       spin_unlock_irq(host->host_lock);
+                       return  -EAGAIN;
+               }
+
                if ((phba->fc_flag & FC_OFFLINE_MODE) ||
                    (!(phba->sli.sli_flag & LPFC_SLI2_ACTIVE))){
 
@@ -1006,6 +1387,11 @@ sysfs_mbox_read(struct kobject *kobj, char *buf, loff_t off, size_t count)
                }
 
                if (rc != MBX_SUCCESS) {
+                       if (rc == MBX_TIMEOUT) {
+                               phba->sysfs_mbox.mbox->mbox_cmpl =
+                                       lpfc_sli_def_mbox_cmpl;
+                               phba->sysfs_mbox.mbox = NULL;
+                       }
                        sysfs_mbox_idle(phba);
                        spin_unlock_irq(host->host_lock);
                        return  (rc == MBX_TIMEOUT) ? -ETIME : -ENODEV;
@@ -1024,7 +1410,7 @@ sysfs_mbox_read(struct kobject *kobj, char *buf, loff_t off, size_t count)
 
        phba->sysfs_mbox.offset = off + count;
 
-       if (phba->sysfs_mbox.offset == sizeof(MAILBOX_t))
+       if (phba->sysfs_mbox.offset == MAILBOX_CMD_SIZE)
                sysfs_mbox_idle(phba);
 
        spin_unlock_irq(phba->host->host_lock);
@@ -1038,7 +1424,7 @@ static struct bin_attribute sysfs_mbox_attr = {
                .mode = S_IRUSR | S_IWUSR,
                .owner = THIS_MODULE,
        },
-       .size = sizeof(MAILBOX_t),
+       .size = MAILBOX_CMD_SIZE,
        .read = sysfs_mbox_read,
        .write = sysfs_mbox_write,
 };
@@ -1174,6 +1560,9 @@ lpfc_get_host_speed(struct Scsi_Host *shost)
                        case LA_4GHZ_LINK:
                                fc_host_speed(shost) = FC_PORTSPEED_4GBIT;
                        break;
+                       case LA_8GHZ_LINK:
+                               fc_host_speed(shost) = FC_PORTSPEED_8GBIT;
+                       break;
                        default:
                                fc_host_speed(shost) = FC_PORTSPEED_UNKNOWN;
                        break;
@@ -1204,6 +1593,15 @@ lpfc_get_host_fabric_name (struct Scsi_Host *shost)
        fc_host_fabric_name(shost) = node_name;
 }
 
+static void
+lpfc_get_host_symbolic_name (struct Scsi_Host *shost)
+{
+       struct lpfc_hba *phba = (struct lpfc_hba*)shost->hostdata;
+
+       spin_lock_irq(shost->host_lock);
+       lpfc_get_hba_sym_node_name(phba, fc_host_symbolic_name(shost));
+       spin_unlock_irq(shost->host_lock);
+}
 
 static struct fc_host_statistics *
 lpfc_get_stats(struct Scsi_Host *shost)
@@ -1217,6 +1615,9 @@ lpfc_get_stats(struct Scsi_Host *shost)
        unsigned long seconds;
        int rc = 0;
 
+       if (phba->fc_flag & FC_BLOCK_MGMT_IO)
+               return NULL;
+
        pmboxq = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
        if (!pmboxq)
                return NULL;
@@ -1302,6 +1703,8 @@ lpfc_get_stats(struct Scsi_Host *shost)
        else
                hs->seconds_since_last_reset = seconds - psli->stats_start;
 
+       mempool_free(pmboxq, phba->mbox_mem_pool);
+
        return hs;
 }
 
@@ -1315,6 +1718,9 @@ lpfc_reset_stats(struct Scsi_Host *shost)
        MAILBOX_t *pmb;
        int rc = 0;
 
+       if (phba->fc_flag & FC_BLOCK_MGMT_IO)
+               return;
+
        pmboxq = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
        if (!pmboxq)
                return;
@@ -1370,6 +1776,8 @@ lpfc_reset_stats(struct Scsi_Host *shost)
 
        psli->stats_start = get_seconds();
 
+       mempool_free(pmboxq, phba->mbox_mem_pool);
+
        return;
 }
 
@@ -1377,91 +1785,60 @@ lpfc_reset_stats(struct Scsi_Host *shost)
  * The LPFC driver treats linkdown handling as target loss events so there
  * are no sysfs handlers for link_down_tmo.
  */
-static void
-lpfc_get_starget_port_id(struct scsi_target *starget)
+
+static struct lpfc_nodelist *
+lpfc_get_node_by_target(struct scsi_target *starget)
 {
        struct Scsi_Host *shost = dev_to_shost(starget->dev.parent);
        struct lpfc_hba *phba = (struct lpfc_hba *) shost->hostdata;
-       uint32_t did = -1;
-       struct lpfc_nodelist *ndlp = NULL;
+       struct lpfc_nodelist *ndlp;
 
        spin_lock_irq(shost->host_lock);
-       /* Search the mapped list for this target ID */
-       list_for_each_entry(ndlp, &phba->fc_nlpmap_list, nlp_listp) {
-               if (starget->id == ndlp->nlp_sid) {
-                       did = ndlp->nlp_DID;
-                       break;
+       /* Search for this, mapped, target ID */
+       list_for_each_entry(ndlp, &phba->fc_nodes, nlp_listp) {
+               if (ndlp->nlp_state == NLP_STE_MAPPED_NODE &&
+                   starget->id == ndlp->nlp_sid) {
+                       spin_unlock_irq(shost->host_lock);
+                       return ndlp;
                }
        }
        spin_unlock_irq(shost->host_lock);
-
-       fc_starget_port_id(starget) = did;
+       return NULL;
 }
 
 static void
-lpfc_get_starget_node_name(struct scsi_target *starget)
+lpfc_get_starget_port_id(struct scsi_target *starget)
 {
-       struct Scsi_Host *shost = dev_to_shost(starget->dev.parent);
-       struct lpfc_hba *phba = (struct lpfc_hba *) shost->hostdata;
-       u64 node_name = 0;
-       struct lpfc_nodelist *ndlp = NULL;
-
-       spin_lock_irq(shost->host_lock);
-       /* Search the mapped list for this target ID */
-       list_for_each_entry(ndlp, &phba->fc_nlpmap_list, nlp_listp) {
-               if (starget->id == ndlp->nlp_sid) {
-                       node_name = wwn_to_u64(ndlp->nlp_nodename.u.wwn);
-                       break;
-               }
-       }
-       spin_unlock_irq(shost->host_lock);
+       struct lpfc_nodelist *ndlp = lpfc_get_node_by_target(starget);
 
-       fc_starget_node_name(starget) = node_name;
+       fc_starget_port_id(starget) = ndlp ? ndlp->nlp_DID : -1;
 }
 
 static void
-lpfc_get_starget_port_name(struct scsi_target *starget)
+lpfc_get_starget_node_name(struct scsi_target *starget)
 {
-       struct Scsi_Host *shost = dev_to_shost(starget->dev.parent);
-       struct lpfc_hba *phba = (struct lpfc_hba *) shost->hostdata;
-       u64 port_name = 0;
-       struct lpfc_nodelist *ndlp = NULL;
+       struct lpfc_nodelist *ndlp = lpfc_get_node_by_target(starget);
 
-       spin_lock_irq(shost->host_lock);
-       /* Search the mapped list for this target ID */
-       list_for_each_entry(ndlp, &phba->fc_nlpmap_list, nlp_listp) {
-               if (starget->id == ndlp->nlp_sid) {
-                       port_name = wwn_to_u64(ndlp->nlp_portname.u.wwn);
-                       break;
-               }
-       }
-       spin_unlock_irq(shost->host_lock);
-
-       fc_starget_port_name(starget) = port_name;
+       fc_starget_node_name(starget) =
+               ndlp ? wwn_to_u64(ndlp->nlp_nodename.u.wwn) : 0;
 }
 
 static void
-lpfc_get_rport_loss_tmo(struct fc_rport *rport)
+lpfc_get_starget_port_name(struct scsi_target *starget)
 {
-       /*
-        * Return the driver's global value for device loss timeout plus
-        * five seconds to allow the driver's nodev timer to run.
-        */
-       rport->dev_loss_tmo = lpfc_nodev_tmo + 5;
+       struct lpfc_nodelist *ndlp = lpfc_get_node_by_target(starget);
+
+       fc_starget_port_name(starget) =
+               ndlp ? wwn_to_u64(ndlp->nlp_portname.u.wwn) : 0;
 }
 
 static void
 lpfc_set_rport_loss_tmo(struct fc_rport *rport, uint32_t timeout)
 {
-       /*
-        * The driver doesn't have a per-target timeout setting.  Set
-        * this value globally. lpfc_nodev_tmo should be greater then 0.
-        */
        if (timeout)
-               lpfc_nodev_tmo = timeout;
+               rport->dev_loss_tmo = timeout;
        else
-               lpfc_nodev_tmo = 1;
-       rport->dev_loss_tmo = lpfc_nodev_tmo + 5;
+               rport->dev_loss_tmo = 1;
 }
 
 
@@ -1486,7 +1863,6 @@ struct fc_function_template lpfc_transport_functions = {
        .show_host_port_name = 1,
        .show_host_supported_classes = 1,
        .show_host_supported_fc4s = 1,
-       .show_host_symbolic_name = 1,
        .show_host_supported_speeds = 1,
        .show_host_maxframe_size = 1,
 
@@ -1509,6 +1885,9 @@ struct fc_function_template lpfc_transport_functions = {
        .get_host_fabric_name = lpfc_get_host_fabric_name,
        .show_host_fabric_name = 1,
 
+       .get_host_symbolic_name = lpfc_get_host_symbolic_name,
+       .show_host_symbolic_name = 1,
+
        /*
         * The LPFC driver treats linkdown handling as target loss events
         * so there are no sysfs handlers for link_down_tmo.
@@ -1521,7 +1900,6 @@ struct fc_function_template lpfc_transport_functions = {
        .show_rport_maxframe_size = 1,
        .show_rport_supported_classes = 1,
 
-       .get_rport_dev_loss_tmo = lpfc_get_rport_loss_tmo,
        .set_rport_dev_loss_tmo = lpfc_set_rport_loss_tmo,
        .show_rport_dev_loss_tmo = 1,
 
@@ -1535,6 +1913,8 @@ struct fc_function_template lpfc_transport_functions = {
        .show_starget_port_name = 1,
 
        .issue_fc_host_lip = lpfc_issue_lip,
+       .dev_loss_tmo_callbk = lpfc_dev_loss_tmo_callbk,
+       .terminate_rport_io = lpfc_terminate_rport_io,
 };
 
 void
@@ -1544,20 +1924,25 @@ lpfc_get_cfgparam(struct lpfc_hba *phba)
        lpfc_cr_delay_init(phba, lpfc_cr_delay);
        lpfc_cr_count_init(phba, lpfc_cr_count);
        lpfc_multi_ring_support_init(phba, lpfc_multi_ring_support);
+       lpfc_multi_ring_rctl_init(phba, lpfc_multi_ring_rctl);
+       lpfc_multi_ring_type_init(phba, lpfc_multi_ring_type);
        lpfc_lun_queue_depth_init(phba, lpfc_lun_queue_depth);
        lpfc_fcp_class_init(phba, lpfc_fcp_class);
        lpfc_use_adisc_init(phba, lpfc_use_adisc);
        lpfc_ack0_init(phba, lpfc_ack0);
        lpfc_topology_init(phba, lpfc_topology);
        lpfc_scan_down_init(phba, lpfc_scan_down);
-       lpfc_nodev_tmo_init(phba, lpfc_nodev_tmo);
        lpfc_link_speed_init(phba, lpfc_link_speed);
        lpfc_fdmi_on_init(phba, lpfc_fdmi_on);
        lpfc_discovery_threads_init(phba, lpfc_discovery_threads);
        lpfc_max_luns_init(phba, lpfc_max_luns);
        lpfc_poll_tmo_init(phba, lpfc_poll_tmo);
-
+       lpfc_use_msi_init(phba, lpfc_use_msi);
+       lpfc_devloss_tmo_init(phba, lpfc_devloss_tmo);
+       lpfc_nodev_tmo_init(phba, lpfc_nodev_tmo);
        phba->cfg_poll = lpfc_poll;
+       phba->cfg_soft_wwnn = 0L;
+       phba->cfg_soft_wwpn = 0L;
 
        /*
         * The total number of segments is the configuration value plus 2
@@ -1573,25 +1958,8 @@ lpfc_get_cfgparam(struct lpfc_hba *phba)
                        sizeof(struct fcp_rsp) +
                        (phba->cfg_sg_seg_cnt * sizeof(struct ulp_bde64));
 
-       switch (phba->pcidev->device) {
-       case PCI_DEVICE_ID_LP101:
-       case PCI_DEVICE_ID_BSMB:
-       case PCI_DEVICE_ID_ZSMB:
-               phba->cfg_hba_queue_depth = LPFC_LP101_HBA_Q_DEPTH;
-               break;
-       case PCI_DEVICE_ID_RFLY:
-       case PCI_DEVICE_ID_PFLY:
-       case PCI_DEVICE_ID_BMID:
-       case PCI_DEVICE_ID_ZMID:
-       case PCI_DEVICE_ID_TFLY:
-               phba->cfg_hba_queue_depth = LPFC_LC_HBA_Q_DEPTH;
-               break;
-       default:
-               phba->cfg_hba_queue_depth = LPFC_DFT_HBA_Q_DEPTH;
-       }
 
-       if (phba->cfg_hba_queue_depth > lpfc_hba_queue_depth)
-               lpfc_hba_queue_depth_init(phba, lpfc_hba_queue_depth);
+       lpfc_hba_queue_depth_init(phba, lpfc_hba_queue_depth);
 
        return;
 }