From 243de6768db50266f595ec62c5ae34783edb72ea Mon Sep 17 00:00:00 2001 From: Harish Zunjarrao Date: Wed, 27 Jan 2016 12:03:33 -0500 Subject: [PATCH] qla2xxx: Add support for Private link statistics counters. Signed-off-by: Harish Zunjarrao Signed-off-by: Himanshu Madhani Reviewed-by: Johannes Thumshirn Reviewed-by: Hannes Reinecke Signed-off-by: Martin K. Petersen --- drivers/scsi/qla2xxx/qla_attr.c | 6 ++-- drivers/scsi/qla2xxx/qla_bsg.c | 61 +++++++++++++++++++++++++++++++++ drivers/scsi/qla2xxx/qla_bsg.h | 1 + drivers/scsi/qla2xxx/qla_dbg.c | 2 +- drivers/scsi/qla2xxx/qla_def.h | 32 +++++++++++++++-- drivers/scsi/qla2xxx/qla_mbx.c | 3 +- 6 files changed, 99 insertions(+), 6 deletions(-) diff --git a/drivers/scsi/qla2xxx/qla_attr.c b/drivers/scsi/qla2xxx/qla_attr.c index fef659a9835c..fadce04095f1 100644 --- a/drivers/scsi/qla2xxx/qla_attr.c +++ b/drivers/scsi/qla2xxx/qla_attr.c @@ -1917,7 +1917,8 @@ qla2x00_get_fc_host_stats(struct Scsi_Host *shost) if (qla2x00_reset_active(vha)) goto done; - stats = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL, &stats_dma); + stats = dma_alloc_coherent(&ha->pdev->dev, + sizeof(struct link_statistics), &stats_dma, GFP_KERNEL); if (stats == NULL) { ql_log(ql_log_warn, vha, 0x707d, "Failed to allocate memory for stats.\n"); @@ -1965,7 +1966,8 @@ qla2x00_get_fc_host_stats(struct Scsi_Host *shost) do_div(pfc_host_stat->seconds_since_last_reset, HZ); done_free: - dma_pool_free(ha->s_dma_pool, stats, stats_dma); + dma_free_coherent(&ha->pdev->dev, sizeof(struct link_statistics), + stats, stats_dma); done: return pfc_host_stat; } diff --git a/drivers/scsi/qla2xxx/qla_bsg.c b/drivers/scsi/qla2xxx/qla_bsg.c index d135d6a4ccac..913fef20cd68 100644 --- a/drivers/scsi/qla2xxx/qla_bsg.c +++ b/drivers/scsi/qla2xxx/qla_bsg.c @@ -2232,6 +2232,64 @@ qla27xx_get_bbcr_data(struct fc_bsg_job *bsg_job) return 0; } +static int +qla2x00_get_priv_stats(struct fc_bsg_job *bsg_job) +{ + struct Scsi_Host *host = bsg_job->shost; + scsi_qla_host_t *vha = shost_priv(host); + struct qla_hw_data *ha = vha->hw; + struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev); + struct link_statistics *stats = NULL; + dma_addr_t stats_dma; + int rval = QLA_FUNCTION_FAILED; + + if (test_bit(UNLOADING, &vha->dpc_flags)) + goto done; + + if (unlikely(pci_channel_offline(ha->pdev))) + goto done; + + if (qla2x00_reset_active(vha)) + goto done; + + if (!IS_FWI2_CAPABLE(ha)) + goto done; + + stats = dma_alloc_coherent(&ha->pdev->dev, + sizeof(struct link_statistics), &stats_dma, GFP_KERNEL); + if (!stats) { + ql_log(ql_log_warn, vha, 0x70e2, + "Failed to allocate memory for stats.\n"); + goto done; + } + + memset(stats, 0, sizeof(struct link_statistics)); + + rval = qla24xx_get_isp_stats(base_vha, stats, stats_dma); + + if (rval != QLA_SUCCESS) + goto done_free; + + ql_dump_buffer(ql_dbg_user + ql_dbg_verbose, vha, 0x70e3, + (uint8_t *)stats, sizeof(struct link_statistics)); + + sg_copy_from_buffer(bsg_job->reply_payload.sg_list, + bsg_job->reply_payload.sg_cnt, stats, sizeof(struct link_statistics)); + bsg_job->reply->reply_payload_rcv_len = sizeof(struct link_statistics); + + bsg_job->reply->reply_data.vendor_reply.vendor_rsp[0] = EXT_STATUS_OK; + + bsg_job->reply_len = sizeof(struct fc_bsg_reply); + bsg_job->reply->result = DID_OK << 16; + bsg_job->job_done(bsg_job); + +done_free: + dma_free_coherent(&ha->pdev->dev, sizeof(struct link_statistics), + stats, stats_dma); +done: + return rval; +} + static int qla2x00_process_vendor_specific(struct fc_bsg_job *bsg_job) { @@ -2296,6 +2354,9 @@ qla2x00_process_vendor_specific(struct fc_bsg_job *bsg_job) case QL_VND_GET_BBCR_DATA: return qla27xx_get_bbcr_data(bsg_job); + case QL_VND_GET_PRIV_STATS: + return qla2x00_get_priv_stats(bsg_job); + default: return -ENOSYS; } diff --git a/drivers/scsi/qla2xxx/qla_bsg.h b/drivers/scsi/qla2xxx/qla_bsg.h index 42751776f363..c40dd8b608a0 100644 --- a/drivers/scsi/qla2xxx/qla_bsg.h +++ b/drivers/scsi/qla2xxx/qla_bsg.h @@ -28,6 +28,7 @@ #define QL_VND_GET_FLASH_UPDATE_CAPS 0x15 #define QL_VND_SET_FLASH_UPDATE_CAPS 0x16 #define QL_VND_GET_BBCR_DATA 0x17 +#define QL_VND_GET_PRIV_STATS 0x18 /* BSG Vendor specific subcode returns */ #define EXT_STATUS_OK 0 diff --git a/drivers/scsi/qla2xxx/qla_dbg.c b/drivers/scsi/qla2xxx/qla_dbg.c index 493a3ea81e79..aa6694bbc303 100644 --- a/drivers/scsi/qla2xxx/qla_dbg.c +++ b/drivers/scsi/qla2xxx/qla_dbg.c @@ -32,7 +32,7 @@ * | | | 0x503d,0x5044 | * | | | 0x507b,0x505f | * | Timer Routines | 0x6012 | | - * | User Space Interactions | 0x70e65 | 0x7018,0x702e | + * | User Space Interactions | 0x70e3 | 0x7018,0x702e | * | | | 0x7020,0x7024 | * | | | 0x7039,0x7045 | * | | | 0x7073-0x7075 | diff --git a/drivers/scsi/qla2xxx/qla_def.h b/drivers/scsi/qla2xxx/qla_def.h index c4bd62ade713..ceb452dd143c 100644 --- a/drivers/scsi/qla2xxx/qla_def.h +++ b/drivers/scsi/qla2xxx/qla_def.h @@ -1254,13 +1254,41 @@ struct link_statistics { uint32_t inval_xmit_word_cnt; uint32_t inval_crc_cnt; uint32_t lip_cnt; - uint32_t unused1[0x1a]; + uint32_t link_up_cnt; + uint32_t link_down_loop_init_tmo; + uint32_t link_down_los; + uint32_t link_down_loss_rcv_clk; + uint32_t reserved0[5]; + uint32_t port_cfg_chg; + uint32_t reserved1[11]; + uint32_t rsp_q_full; + uint32_t atio_q_full; + uint32_t drop_ae; + uint32_t els_proto_err; + uint32_t reserved2; uint32_t tx_frames; uint32_t rx_frames; uint32_t discarded_frames; uint32_t dropped_frames; - uint32_t unused2[1]; + uint32_t reserved3; uint32_t nos_rcvd; + uint32_t reserved4[4]; + uint32_t tx_prjt; + uint32_t rcv_exfail; + uint32_t rcv_abts; + uint32_t seq_frm_miss; + uint32_t corr_err; + uint32_t mb_rqst; + uint32_t nport_full; + uint32_t eofa; + uint32_t reserved5; + uint32_t fpm_recv_word_cnt_lo; + uint32_t fpm_recv_word_cnt_hi; + uint32_t fpm_disc_word_cnt_lo; + uint32_t fpm_disc_word_cnt_hi; + uint32_t fpm_xmit_word_cnt_lo; + uint32_t fpm_xmit_word_cnt_hi; + uint32_t reserved6[70]; }; /* diff --git a/drivers/scsi/qla2xxx/qla_mbx.c b/drivers/scsi/qla2xxx/qla_mbx.c index 4433cfb8f0e6..3dd339846a55 100644 --- a/drivers/scsi/qla2xxx/qla_mbx.c +++ b/drivers/scsi/qla2xxx/qla_mbx.c @@ -2799,7 +2799,8 @@ qla2x00_get_link_status(scsi_qla_host_t *vha, uint16_t loop_id, /* Copy over data -- firmware data is LE. */ ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x1086, "Done %s.\n", __func__); - dwords = offsetof(struct link_statistics, unused1) / 4; + dwords = offsetof(struct link_statistics, + link_up_cnt) / 4; siter = diter = &stats->link_fail_cnt; while (dwords--) *diter++ = le32_to_cpu(*siter++); -- 2.20.1