aboutsummaryrefslogtreecommitdiffstats
path: root/drivers/scsi/lpfc/lpfc_attr.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/scsi/lpfc/lpfc_attr.c')
-rw-r--r--drivers/scsi/lpfc/lpfc_attr.c118
1 files changed, 106 insertions, 12 deletions
diff --git a/drivers/scsi/lpfc/lpfc_attr.c b/drivers/scsi/lpfc/lpfc_attr.c
index 2a4e02e7a392..f247e786af99 100644
--- a/drivers/scsi/lpfc/lpfc_attr.c
+++ b/drivers/scsi/lpfc/lpfc_attr.c
@@ -552,10 +552,10 @@ static CLASS_DEVICE_ATTR(board_mode, S_IRUGO | S_IWUSR,
552static CLASS_DEVICE_ATTR(issue_reset, S_IWUSR, NULL, lpfc_issue_reset); 552static CLASS_DEVICE_ATTR(issue_reset, S_IWUSR, NULL, lpfc_issue_reset);
553 553
554 554
555static char *lpfc_soft_wwpn_key = "C99G71SL8032A"; 555static char *lpfc_soft_wwn_key = "C99G71SL8032A";
556 556
557static ssize_t 557static ssize_t
558lpfc_soft_wwpn_enable_store(struct class_device *cdev, const char *buf, 558lpfc_soft_wwn_enable_store(struct class_device *cdev, const char *buf,
559 size_t count) 559 size_t count)
560{ 560{
561 struct Scsi_Host *host = class_to_shost(cdev); 561 struct Scsi_Host *host = class_to_shost(cdev);
@@ -579,15 +579,15 @@ lpfc_soft_wwpn_enable_store(struct class_device *cdev, const char *buf,
579 if (buf[cnt-1] == '\n') 579 if (buf[cnt-1] == '\n')
580 cnt--; 580 cnt--;
581 581
582 if ((cnt != strlen(lpfc_soft_wwpn_key)) || 582 if ((cnt != strlen(lpfc_soft_wwn_key)) ||
583 (strncmp(buf, lpfc_soft_wwpn_key, strlen(lpfc_soft_wwpn_key)) != 0)) 583 (strncmp(buf, lpfc_soft_wwn_key, strlen(lpfc_soft_wwn_key)) != 0))
584 return -EINVAL; 584 return -EINVAL;
585 585
586 phba->soft_wwpn_enable = 1; 586 phba->soft_wwn_enable = 1;
587 return count; 587 return count;
588} 588}
589static CLASS_DEVICE_ATTR(lpfc_soft_wwpn_enable, S_IWUSR, NULL, 589static CLASS_DEVICE_ATTR(lpfc_soft_wwn_enable, S_IWUSR, NULL,
590 lpfc_soft_wwpn_enable_store); 590 lpfc_soft_wwn_enable_store);
591 591
592static ssize_t 592static ssize_t
593lpfc_soft_wwpn_show(struct class_device *cdev, char *buf) 593lpfc_soft_wwpn_show(struct class_device *cdev, char *buf)
@@ -613,12 +613,12 @@ lpfc_soft_wwpn_store(struct class_device *cdev, const char *buf, size_t count)
613 if (buf[cnt-1] == '\n') 613 if (buf[cnt-1] == '\n')
614 cnt--; 614 cnt--;
615 615
616 if (!phba->soft_wwpn_enable || (cnt < 16) || (cnt > 18) || 616 if (!phba->soft_wwn_enable || (cnt < 16) || (cnt > 18) ||
617 ((cnt == 17) && (*buf++ != 'x')) || 617 ((cnt == 17) && (*buf++ != 'x')) ||
618 ((cnt == 18) && ((*buf++ != '0') || (*buf++ != 'x')))) 618 ((cnt == 18) && ((*buf++ != '0') || (*buf++ != 'x'))))
619 return -EINVAL; 619 return -EINVAL;
620 620
621 phba->soft_wwpn_enable = 0; 621 phba->soft_wwn_enable = 0;
622 622
623 memset(wwpn, 0, sizeof(wwpn)); 623 memset(wwpn, 0, sizeof(wwpn));
624 624
@@ -639,6 +639,8 @@ lpfc_soft_wwpn_store(struct class_device *cdev, const char *buf, size_t count)
639 } 639 }
640 phba->cfg_soft_wwpn = wwn_to_u64(wwpn); 640 phba->cfg_soft_wwpn = wwn_to_u64(wwpn);
641 fc_host_port_name(host) = phba->cfg_soft_wwpn; 641 fc_host_port_name(host) = phba->cfg_soft_wwpn;
642 if (phba->cfg_soft_wwnn)
643 fc_host_node_name(host) = phba->cfg_soft_wwnn;
642 644
643 dev_printk(KERN_NOTICE, &phba->pcidev->dev, 645 dev_printk(KERN_NOTICE, &phba->pcidev->dev,
644 "lpfc%d: Reinitializing to use soft_wwpn\n", phba->brd_no); 646 "lpfc%d: Reinitializing to use soft_wwpn\n", phba->brd_no);
@@ -664,6 +666,66 @@ lpfc_soft_wwpn_store(struct class_device *cdev, const char *buf, size_t count)
664static CLASS_DEVICE_ATTR(lpfc_soft_wwpn, S_IRUGO | S_IWUSR,\ 666static CLASS_DEVICE_ATTR(lpfc_soft_wwpn, S_IRUGO | S_IWUSR,\
665 lpfc_soft_wwpn_show, lpfc_soft_wwpn_store); 667 lpfc_soft_wwpn_show, lpfc_soft_wwpn_store);
666 668
669static ssize_t
670lpfc_soft_wwnn_show(struct class_device *cdev, char *buf)
671{
672 struct Scsi_Host *host = class_to_shost(cdev);
673 struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata;
674 return snprintf(buf, PAGE_SIZE, "0x%llx\n",
675 (unsigned long long)phba->cfg_soft_wwnn);
676}
677
678
679static ssize_t
680lpfc_soft_wwnn_store(struct class_device *cdev, const char *buf, size_t count)
681{
682 struct Scsi_Host *host = class_to_shost(cdev);
683 struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata;
684 unsigned int i, j, cnt=count;
685 u8 wwnn[8];
686
687 /* count may include a LF at end of string */
688 if (buf[cnt-1] == '\n')
689 cnt--;
690
691 if (!phba->soft_wwn_enable || (cnt < 16) || (cnt > 18) ||
692 ((cnt == 17) && (*buf++ != 'x')) ||
693 ((cnt == 18) && ((*buf++ != '0') || (*buf++ != 'x'))))
694 return -EINVAL;
695
696 /*
697 * Allow wwnn to be set many times, as long as the enable is set.
698 * However, once the wwpn is set, everything locks.
699 */
700
701 memset(wwnn, 0, sizeof(wwnn));
702
703 /* Validate and store the new name */
704 for (i=0, j=0; i < 16; i++) {
705 if ((*buf >= 'a') && (*buf <= 'f'))
706 j = ((j << 4) | ((*buf++ -'a') + 10));
707 else if ((*buf >= 'A') && (*buf <= 'F'))
708 j = ((j << 4) | ((*buf++ -'A') + 10));
709 else if ((*buf >= '0') && (*buf <= '9'))
710 j = ((j << 4) | (*buf++ -'0'));
711 else
712 return -EINVAL;
713 if (i % 2) {
714 wwnn[i/2] = j & 0xff;
715 j = 0;
716 }
717 }
718 phba->cfg_soft_wwnn = wwn_to_u64(wwnn);
719
720 dev_printk(KERN_NOTICE, &phba->pcidev->dev,
721 "lpfc%d: soft_wwnn set. Value will take effect upon "
722 "setting of the soft_wwpn\n", phba->brd_no);
723
724 return count;
725}
726static CLASS_DEVICE_ATTR(lpfc_soft_wwnn, S_IRUGO | S_IWUSR,\
727 lpfc_soft_wwnn_show, lpfc_soft_wwnn_store);
728
667 729
668static int lpfc_poll = 0; 730static int lpfc_poll = 0;
669module_param(lpfc_poll, int, 0); 731module_param(lpfc_poll, int, 0);
@@ -802,12 +864,11 @@ static CLASS_DEVICE_ATTR(lpfc_devloss_tmo, S_IRUGO | S_IWUSR,
802# LOG_MBOX 0x4 Mailbox events 864# LOG_MBOX 0x4 Mailbox events
803# LOG_INIT 0x8 Initialization events 865# LOG_INIT 0x8 Initialization events
804# LOG_LINK_EVENT 0x10 Link events 866# LOG_LINK_EVENT 0x10 Link events
805# LOG_IP 0x20 IP traffic history
806# LOG_FCP 0x40 FCP traffic history 867# LOG_FCP 0x40 FCP traffic history
807# LOG_NODE 0x80 Node table events 868# LOG_NODE 0x80 Node table events
808# LOG_MISC 0x400 Miscellaneous events 869# LOG_MISC 0x400 Miscellaneous events
809# LOG_SLI 0x800 SLI events 870# LOG_SLI 0x800 SLI events
810# LOG_CHK_COND 0x1000 FCP Check condition flag 871# LOG_FCP_ERROR 0x1000 Only log FCP errors
811# LOG_LIBDFC 0x2000 LIBDFC events 872# LOG_LIBDFC 0x2000 LIBDFC events
812# LOG_ALL_MSG 0xffff LOG all messages 873# LOG_ALL_MSG 0xffff LOG all messages
813*/ 874*/
@@ -916,6 +977,22 @@ LPFC_ATTR_R(multi_ring_support, 1, 1, 2, "Determines number of primary "
916 "SLI rings to spread IOCB entries across"); 977 "SLI rings to spread IOCB entries across");
917 978
918/* 979/*
980# lpfc_multi_ring_rctl: If lpfc_multi_ring_support is enabled, this
981# identifies what rctl value to configure the additional ring for.
982# Value range is [1,0xff]. Default value is 4 (Unsolicated Data).
983*/
984LPFC_ATTR_R(multi_ring_rctl, FC_UNSOL_DATA, 1,
985 255, "Identifies RCTL for additional ring configuration");
986
987/*
988# lpfc_multi_ring_type: If lpfc_multi_ring_support is enabled, this
989# identifies what type value to configure the additional ring for.
990# Value range is [1,0xff]. Default value is 5 (LLC/SNAP).
991*/
992LPFC_ATTR_R(multi_ring_type, FC_LLC_SNAP, 1,
993 255, "Identifies TYPE for additional ring configuration");
994
995/*
919# lpfc_fdmi_on: controls FDMI support. 996# lpfc_fdmi_on: controls FDMI support.
920# 0 = no FDMI support 997# 0 = no FDMI support
921# 1 = support FDMI without attribute of hostname 998# 1 = support FDMI without attribute of hostname
@@ -946,6 +1023,15 @@ LPFC_ATTR_R(max_luns, 255, 0, 65535,
946LPFC_ATTR_RW(poll_tmo, 10, 1, 255, 1023LPFC_ATTR_RW(poll_tmo, 10, 1, 255,
947 "Milliseconds driver will wait between polling FCP ring"); 1024 "Milliseconds driver will wait between polling FCP ring");
948 1025
1026/*
1027# lpfc_use_msi: Use MSI (Message Signaled Interrupts) in systems that
1028# support this feature
1029# 0 = MSI disabled (default)
1030# 1 = MSI enabled
1031# Value range is [0,1]. Default value is 0.
1032*/
1033LPFC_ATTR_R(use_msi, 0, 0, 1, "Use Message Signaled Interrupts, if possible");
1034
949 1035
950struct class_device_attribute *lpfc_host_attrs[] = { 1036struct class_device_attribute *lpfc_host_attrs[] = {
951 &class_device_attr_info, 1037 &class_device_attr_info,
@@ -974,6 +1060,8 @@ struct class_device_attribute *lpfc_host_attrs[] = {
974 &class_device_attr_lpfc_cr_delay, 1060 &class_device_attr_lpfc_cr_delay,
975 &class_device_attr_lpfc_cr_count, 1061 &class_device_attr_lpfc_cr_count,
976 &class_device_attr_lpfc_multi_ring_support, 1062 &class_device_attr_lpfc_multi_ring_support,
1063 &class_device_attr_lpfc_multi_ring_rctl,
1064 &class_device_attr_lpfc_multi_ring_type,
977 &class_device_attr_lpfc_fdmi_on, 1065 &class_device_attr_lpfc_fdmi_on,
978 &class_device_attr_lpfc_max_luns, 1066 &class_device_attr_lpfc_max_luns,
979 &class_device_attr_nport_evt_cnt, 1067 &class_device_attr_nport_evt_cnt,
@@ -982,8 +1070,10 @@ struct class_device_attribute *lpfc_host_attrs[] = {
982 &class_device_attr_issue_reset, 1070 &class_device_attr_issue_reset,
983 &class_device_attr_lpfc_poll, 1071 &class_device_attr_lpfc_poll,
984 &class_device_attr_lpfc_poll_tmo, 1072 &class_device_attr_lpfc_poll_tmo,
1073 &class_device_attr_lpfc_use_msi,
1074 &class_device_attr_lpfc_soft_wwnn,
985 &class_device_attr_lpfc_soft_wwpn, 1075 &class_device_attr_lpfc_soft_wwpn,
986 &class_device_attr_lpfc_soft_wwpn_enable, 1076 &class_device_attr_lpfc_soft_wwn_enable,
987 NULL, 1077 NULL,
988}; 1078};
989 1079
@@ -1771,6 +1861,8 @@ lpfc_get_cfgparam(struct lpfc_hba *phba)
1771 lpfc_cr_delay_init(phba, lpfc_cr_delay); 1861 lpfc_cr_delay_init(phba, lpfc_cr_delay);
1772 lpfc_cr_count_init(phba, lpfc_cr_count); 1862 lpfc_cr_count_init(phba, lpfc_cr_count);
1773 lpfc_multi_ring_support_init(phba, lpfc_multi_ring_support); 1863 lpfc_multi_ring_support_init(phba, lpfc_multi_ring_support);
1864 lpfc_multi_ring_rctl_init(phba, lpfc_multi_ring_rctl);
1865 lpfc_multi_ring_type_init(phba, lpfc_multi_ring_type);
1774 lpfc_lun_queue_depth_init(phba, lpfc_lun_queue_depth); 1866 lpfc_lun_queue_depth_init(phba, lpfc_lun_queue_depth);
1775 lpfc_fcp_class_init(phba, lpfc_fcp_class); 1867 lpfc_fcp_class_init(phba, lpfc_fcp_class);
1776 lpfc_use_adisc_init(phba, lpfc_use_adisc); 1868 lpfc_use_adisc_init(phba, lpfc_use_adisc);
@@ -1782,9 +1874,11 @@ lpfc_get_cfgparam(struct lpfc_hba *phba)
1782 lpfc_discovery_threads_init(phba, lpfc_discovery_threads); 1874 lpfc_discovery_threads_init(phba, lpfc_discovery_threads);
1783 lpfc_max_luns_init(phba, lpfc_max_luns); 1875 lpfc_max_luns_init(phba, lpfc_max_luns);
1784 lpfc_poll_tmo_init(phba, lpfc_poll_tmo); 1876 lpfc_poll_tmo_init(phba, lpfc_poll_tmo);
1877 lpfc_use_msi_init(phba, lpfc_use_msi);
1785 lpfc_devloss_tmo_init(phba, lpfc_devloss_tmo); 1878 lpfc_devloss_tmo_init(phba, lpfc_devloss_tmo);
1786 lpfc_nodev_tmo_init(phba, lpfc_nodev_tmo); 1879 lpfc_nodev_tmo_init(phba, lpfc_nodev_tmo);
1787 phba->cfg_poll = lpfc_poll; 1880 phba->cfg_poll = lpfc_poll;
1881 phba->cfg_soft_wwnn = 0L;
1788 phba->cfg_soft_wwpn = 0L; 1882 phba->cfg_soft_wwpn = 0L;
1789 1883
1790 /* 1884 /*