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| author | Joe Carnuccio <joe.carnuccio@qlogic.com> | 2016-07-06 17:14:24 +0200 |
|---|---|---|
| committer | Martin K. Petersen <martin.petersen@oracle.com> | 2016-07-15 21:31:31 +0200 |
| commit | c6dc99058e5798958847eab7411083ca5b25643c (patch) | |
| tree | b109292e6dde38f052b2f775d95199fb62709c9d /drivers/scsi/qla2xxx/qla_attr.c | |
| parent | qla2xxx: Properly initialize IO statistics. (diff) | |
| download | linux-c6dc99058e5798958847eab7411083ca5b25643c.tar.xz linux-c6dc99058e5798958847eab7411083ca5b25643c.zip | |
qla2xxx: Properly reset firmware statistics.
Signed-off-by: Joe Carnuccio <joe.carnuccio@qlogic.com>
Signed-off-by: Himanshu Madhani <himanshu.madhani@qlogic.com>
Reviewed-by: Hannes Reinecke <hare@suse.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Diffstat (limited to 'drivers/scsi/qla2xxx/qla_attr.c')
| -rw-r--r-- | drivers/scsi/qla2xxx/qla_attr.c | 28 |
1 files changed, 24 insertions, 4 deletions
diff --git a/drivers/scsi/qla2xxx/qla_attr.c b/drivers/scsi/qla2xxx/qla_attr.c index e0256a411cd5..8b06ce8fbb0f 100644 --- a/drivers/scsi/qla2xxx/qla_attr.c +++ b/drivers/scsi/qla2xxx/qla_attr.c @@ -1828,17 +1828,17 @@ qla2x00_get_fc_host_stats(struct Scsi_Host *shost) goto done; stats = dma_alloc_coherent(&ha->pdev->dev, - sizeof(struct link_statistics), &stats_dma, GFP_KERNEL); - if (stats == NULL) { + sizeof(*stats), &stats_dma, GFP_KERNEL); + if (!stats) { ql_log(ql_log_warn, vha, 0x707d, "Failed to allocate memory for stats.\n"); goto done; } - memset(stats, 0, DMA_POOL_SIZE); + memset(stats, 0, sizeof(*stats)); rval = QLA_FUNCTION_FAILED; if (IS_FWI2_CAPABLE(ha)) { - rval = qla24xx_get_isp_stats(base_vha, stats, stats_dma); + rval = qla24xx_get_isp_stats(base_vha, stats, stats_dma, 0); } else if (atomic_read(&base_vha->loop_state) == LOOP_READY && !ha->dpc_active) { /* Must be in a 'READY' state for statistics retrieval. */ @@ -1886,11 +1886,31 @@ static void qla2x00_reset_host_stats(struct Scsi_Host *shost) { scsi_qla_host_t *vha = shost_priv(shost); + struct qla_hw_data *ha = vha->hw; + struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev); + struct link_statistics *stats; + dma_addr_t stats_dma; memset(&vha->qla_stats, 0, sizeof(vha->qla_stats)); memset(&vha->fc_host_stat, 0, sizeof(vha->fc_host_stat)); vha->qla_stats.jiffies_at_last_reset = get_jiffies_64(); + + if (IS_FWI2_CAPABLE(ha)) { + stats = dma_alloc_coherent(&ha->pdev->dev, + sizeof(*stats), &stats_dma, GFP_KERNEL); + if (!stats) { + ql_log(ql_log_warn, vha, 0x70d7, + "Failed to allocate memory for stats.\n"); + return; + } + + /* reset firmware statistics */ + qla24xx_get_isp_stats(base_vha, stats, stats_dma, BIT_0); + + dma_free_coherent(&ha->pdev->dev, sizeof(*stats), + stats, stats_dma); + } } static void |