From: Joe Carnuccio Date: Wed, 6 Jul 2016 15:14:24 +0000 (-0400) Subject: qla2xxx: Properly reset firmware statistics. X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=c6dc99058e5798958847eab7411083ca5b25643c;p=GitHub%2Fmoto-9609%2Fandroid_kernel_motorola_exynos9610.git qla2xxx: Properly reset firmware statistics. Signed-off-by: Joe Carnuccio Signed-off-by: Himanshu Madhani Reviewed-by: Hannes Reinecke Signed-off-by: Martin K. Petersen --- 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 diff --git a/drivers/scsi/qla2xxx/qla_bsg.c b/drivers/scsi/qla2xxx/qla_bsg.c index 392c147d5793..8cadc4da7d59 100644 --- a/drivers/scsi/qla2xxx/qla_bsg.c +++ b/drivers/scsi/qla2xxx/qla_bsg.c @@ -2270,7 +2270,7 @@ qla2x00_get_priv_stats(struct fc_bsg_job *bsg_job) memset(stats, 0, sizeof(struct link_statistics)); - rval = qla24xx_get_isp_stats(base_vha, stats, stats_dma); + rval = qla24xx_get_isp_stats(base_vha, stats, stats_dma, 0); if (rval != QLA_SUCCESS) goto done_free; diff --git a/drivers/scsi/qla2xxx/qla_dbg.c b/drivers/scsi/qla2xxx/qla_dbg.c index 589cd13b5a0d..c6ccc8a86fa7 100644 --- a/drivers/scsi/qla2xxx/qla_dbg.c +++ b/drivers/scsi/qla2xxx/qla_dbg.c @@ -41,7 +41,7 @@ * | | | 0x70ad-0x70ae | * | | | 0x70d0-0x70d6 | * | | | 0x70d7-0x70db | - * | | | 0x70de-0x70df | + * | | | 0x70db | * | Task Management | 0x803d | 0x8000,0x800b | * | | | 0x8019 | * | | | 0x8025,0x8026 | diff --git a/drivers/scsi/qla2xxx/qla_gbl.h b/drivers/scsi/qla2xxx/qla_gbl.h index fe943772fe7b..be24e6260976 100644 --- a/drivers/scsi/qla2xxx/qla_gbl.h +++ b/drivers/scsi/qla2xxx/qla_gbl.h @@ -344,7 +344,7 @@ qla2x00_get_link_status(scsi_qla_host_t *, uint16_t, struct link_statistics *, extern int qla24xx_get_isp_stats(scsi_qla_host_t *, struct link_statistics *, - dma_addr_t); + dma_addr_t, uint); extern int qla24xx_abort_command(srb_t *); extern int qla24xx_async_abort_command(srb_t *); diff --git a/drivers/scsi/qla2xxx/qla_mbx.c b/drivers/scsi/qla2xxx/qla_mbx.c index 9673a0b645ee..583ad62f8d51 100644 --- a/drivers/scsi/qla2xxx/qla_mbx.c +++ b/drivers/scsi/qla2xxx/qla_mbx.c @@ -2762,15 +2762,16 @@ qla2x00_get_link_status(scsi_qla_host_t *vha, uint16_t loop_id, int rval; mbx_cmd_t mc; mbx_cmd_t *mcp = &mc; - uint32_t *iter, dwords; + uint32_t *iter = (void *)stats; + ushort dwords = offsetof(typeof(*stats), link_up_cnt)/sizeof(*iter); struct qla_hw_data *ha = vha->hw; ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x1084, "Entered %s.\n", __func__); mcp->mb[0] = MBC_GET_LINK_STATUS; - mcp->mb[2] = MSW(stats_dma); - mcp->mb[3] = LSW(stats_dma); + mcp->mb[2] = MSW(LSD(stats_dma)); + mcp->mb[3] = LSW(LSD(stats_dma)); mcp->mb[6] = MSW(MSD(stats_dma)); mcp->mb[7] = LSW(MSD(stats_dma)); mcp->out_mb = MBX_7|MBX_6|MBX_3|MBX_2|MBX_0; @@ -2799,12 +2800,9 @@ qla2x00_get_link_status(scsi_qla_host_t *vha, uint16_t loop_id, "Failed=%x mb[0]=%x.\n", rval, mcp->mb[0]); rval = QLA_FUNCTION_FAILED; } else { - /* Copy over data -- firmware data is LE. */ + /* Re-endianize - firmware data is le32. */ ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x1086, "Done %s.\n", __func__); - dwords = offsetof(struct link_statistics, - link_up_cnt) / 4; - iter = &stats->link_fail_cnt; for ( ; dwords--; iter++) le32_to_cpus(iter); } @@ -2818,7 +2816,7 @@ qla2x00_get_link_status(scsi_qla_host_t *vha, uint16_t loop_id, int qla24xx_get_isp_stats(scsi_qla_host_t *vha, struct link_statistics *stats, - dma_addr_t stats_dma) + dma_addr_t stats_dma, uint options) { int rval; mbx_cmd_t mc; @@ -2835,7 +2833,7 @@ qla24xx_get_isp_stats(scsi_qla_host_t *vha, struct link_statistics *stats, mcp->mb[7] = LSW(MSD(stats_dma)); mcp->mb[8] = sizeof(struct link_statistics) / 4; mcp->mb[9] = vha->vp_idx; - mcp->mb[10] = 0; + mcp->mb[10] = options; mcp->out_mb = MBX_10|MBX_9|MBX_8|MBX_7|MBX_6|MBX_3|MBX_2|MBX_0; mcp->in_mb = MBX_2|MBX_1|MBX_0; mcp->tov = MBX_TOV_SECONDS; @@ -2850,7 +2848,7 @@ qla24xx_get_isp_stats(scsi_qla_host_t *vha, struct link_statistics *stats, } else { ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x108a, "Done %s.\n", __func__); - /* Copy over data -- firmware data is LE. */ + /* Re-endianize - firmware data is le32. */ dwords = sizeof(struct link_statistics) / 4; iter = &stats->link_fail_cnt; for ( ; dwords--; iter++)