diff options
| author | James Smart <James.Smart@Emulex.Com> | 2008-09-07 11:52:10 -0400 |
|---|---|---|
| committer | James Bottomley <James.Bottomley@HansenPartnership.com> | 2008-10-13 09:28:57 -0400 |
| commit | ea2151b4e142fa2de0319d9dd80413a997bf435a (patch) | |
| tree | 1daa395a0b8584431c1b739af2761a840d013985 /drivers/scsi/lpfc/lpfc_vport.c | |
| parent | 977b5a0af6d22a1a0170057c19cde37eeac68acd (diff) | |
[SCSI] lpfc 8.2.8 v2 : Add statistical reporting control and additional fc vendor events
Added support for new sysfs attributes: lpfc_stat_data_ctrl and
lpfc_max_scsicmpl_time. The attributes control statistical reporting
of io load.
Added support for new fc vendor events for error reporting.
Signed-off-by: James Smart <james.smart@emulex.com>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
Diffstat (limited to 'drivers/scsi/lpfc/lpfc_vport.c')
| -rw-r--r-- | drivers/scsi/lpfc/lpfc_vport.c | 80 |
1 files changed, 80 insertions, 0 deletions
diff --git a/drivers/scsi/lpfc/lpfc_vport.c b/drivers/scsi/lpfc/lpfc_vport.c index 2578d5fd9537..a7de1cc02b40 100644 --- a/drivers/scsi/lpfc/lpfc_vport.c +++ b/drivers/scsi/lpfc/lpfc_vport.c | |||
| @@ -34,6 +34,7 @@ | |||
| 34 | #include <scsi/scsi_transport_fc.h> | 34 | #include <scsi/scsi_transport_fc.h> |
| 35 | #include "lpfc_hw.h" | 35 | #include "lpfc_hw.h" |
| 36 | #include "lpfc_sli.h" | 36 | #include "lpfc_sli.h" |
| 37 | #include "lpfc_nl.h" | ||
| 37 | #include "lpfc_disc.h" | 38 | #include "lpfc_disc.h" |
| 38 | #include "lpfc_scsi.h" | 39 | #include "lpfc_scsi.h" |
| 39 | #include "lpfc.h" | 40 | #include "lpfc.h" |
| @@ -745,3 +746,82 @@ lpfc_destroy_vport_work_array(struct lpfc_hba *phba, struct lpfc_vport **vports) | |||
| 745 | scsi_host_put(lpfc_shost_from_vport(vports[i])); | 746 | scsi_host_put(lpfc_shost_from_vport(vports[i])); |
| 746 | kfree(vports); | 747 | kfree(vports); |
| 747 | } | 748 | } |
| 749 | |||
| 750 | |||
| 751 | /** | ||
| 752 | * lpfc_vport_reset_stat_data: Reset the statistical data for the vport. | ||
| 753 | * @vport: Pointer to vport object. | ||
| 754 | * | ||
| 755 | * This function resets the statistical data for the vport. This function | ||
| 756 | * is called with the host_lock held | ||
| 757 | **/ | ||
| 758 | void | ||
| 759 | lpfc_vport_reset_stat_data(struct lpfc_vport *vport) | ||
| 760 | { | ||
| 761 | struct lpfc_nodelist *ndlp = NULL, *next_ndlp = NULL; | ||
| 762 | |||
| 763 | list_for_each_entry_safe(ndlp, next_ndlp, &vport->fc_nodes, nlp_listp) { | ||
| 764 | if (!NLP_CHK_NODE_ACT(ndlp)) | ||
| 765 | continue; | ||
| 766 | if (ndlp->lat_data) | ||
| 767 | memset(ndlp->lat_data, 0, LPFC_MAX_BUCKET_COUNT * | ||
| 768 | sizeof(struct lpfc_scsicmd_bkt)); | ||
| 769 | } | ||
| 770 | } | ||
| 771 | |||
| 772 | |||
| 773 | /** | ||
| 774 | * lpfc_alloc_bucket: Allocate data buffer required for collecting | ||
| 775 | * statistical data. | ||
| 776 | * @vport: Pointer to vport object. | ||
| 777 | * | ||
| 778 | * This function allocates data buffer required for all the FC | ||
| 779 | * nodes of the vport to collect statistical data. | ||
| 780 | **/ | ||
| 781 | void | ||
| 782 | lpfc_alloc_bucket(struct lpfc_vport *vport) | ||
| 783 | { | ||
| 784 | struct lpfc_nodelist *ndlp = NULL, *next_ndlp = NULL; | ||
| 785 | |||
| 786 | list_for_each_entry_safe(ndlp, next_ndlp, &vport->fc_nodes, nlp_listp) { | ||
| 787 | if (!NLP_CHK_NODE_ACT(ndlp)) | ||
| 788 | continue; | ||
| 789 | |||
| 790 | kfree(ndlp->lat_data); | ||
| 791 | ndlp->lat_data = NULL; | ||
| 792 | |||
| 793 | if (ndlp->nlp_state == NLP_STE_MAPPED_NODE) { | ||
| 794 | ndlp->lat_data = kcalloc(LPFC_MAX_BUCKET_COUNT, | ||
| 795 | sizeof(struct lpfc_scsicmd_bkt), | ||
| 796 | GFP_ATOMIC); | ||
| 797 | |||
| 798 | if (!ndlp->lat_data) | ||
| 799 | lpfc_printf_vlog(vport, KERN_ERR, LOG_NODE, | ||
| 800 | "0287 lpfc_alloc_bucket failed to " | ||
| 801 | "allocate statistical data buffer DID " | ||
| 802 | "0x%x\n", ndlp->nlp_DID); | ||
| 803 | } | ||
| 804 | } | ||
| 805 | } | ||
| 806 | |||
| 807 | /** | ||
| 808 | * lpfc_free_bucket: Free data buffer required for collecting | ||
| 809 | * statistical data. | ||
| 810 | * @vport: Pointer to vport object. | ||
| 811 | * | ||
| 812 | * Th function frees statistical data buffer of all the FC | ||
| 813 | * nodes of the vport. | ||
| 814 | **/ | ||
| 815 | void | ||
| 816 | lpfc_free_bucket(struct lpfc_vport *vport) | ||
| 817 | { | ||
| 818 | struct lpfc_nodelist *ndlp = NULL, *next_ndlp = NULL; | ||
| 819 | |||
| 820 | list_for_each_entry_safe(ndlp, next_ndlp, &vport->fc_nodes, nlp_listp) { | ||
| 821 | if (!NLP_CHK_NODE_ACT(ndlp)) | ||
| 822 | continue; | ||
| 823 | |||
| 824 | kfree(ndlp->lat_data); | ||
| 825 | ndlp->lat_data = NULL; | ||
| 826 | } | ||
| 827 | } | ||