From mboxrd@z Thu Jan 1 00:00:00 1970 From: Johannes Thumshirn Subject: Re: [PATCH v2 06/11] qla2xxx: Add support for Private link statistics counters. Date: Thu, 28 Jan 2016 09:59:21 +0100 Message-ID: <20160128085921.GK27565@c203.arch.suse.de> References: <1453914218-380-1-git-send-email-himanshu.madhani@qlogic.com> <1453914218-380-7-git-send-email-himanshu.madhani@qlogic.com> Mime-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Transfer-Encoding: QUOTED-PRINTABLE Return-path: Received: from mx2.suse.de ([195.135.220.15]:32969 "EHLO mx2.suse.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755158AbcA1I7X (ORCPT ); Thu, 28 Jan 2016 03:59:23 -0500 Content-Disposition: inline In-Reply-To: <1453914218-380-7-git-send-email-himanshu.madhani@qlogic.com> Sender: linux-scsi-owner@vger.kernel.org List-Id: linux-scsi@vger.kernel.org To: Himanshu Madhani Cc: James.Bottomley@HansenPartnership.com, martin.petersen@oracle.com, giridhar.malavali@qlogic.com, linux-scsi@vger.kernel.org On Wed, Jan 27, 2016 at 12:03:33PM -0500, Himanshu Madhani wrote: > From: Harish Zunjarrao >=20 > Signed-off-by: Harish Zunjarrao > Signed-off-by: Himanshu Madhani > --- > 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(-) >=20 > diff --git a/drivers/scsi/qla2xxx/qla_attr.c b/drivers/scsi/qla2xxx/q= la_attr.c > index fef659a..fadce04 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 *sho= st) > if (qla2x00_reset_active(vha)) > goto done; > =20 > - stats =3D dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL, &stats_dma); > + stats =3D dma_alloc_coherent(&ha->pdev->dev, > + sizeof(struct link_statistics), &stats_dma, GFP_KERNEL); > if (stats =3D=3D 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 *sho= st) > do_div(pfc_host_stat->seconds_since_last_reset, HZ); > =20 > 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/ql= a_bsg.c > index d135d6a..913fef2 100644 > --- a/drivers/scsi/qla2xxx/qla_bsg.c > +++ b/drivers/scsi/qla2xxx/qla_bsg.c > @@ -2233,6 +2233,64 @@ qla27xx_get_bbcr_data(struct fc_bsg_job *bsg_j= ob) > } > =20 > static int > +qla2x00_get_priv_stats(struct fc_bsg_job *bsg_job) > +{ > + struct Scsi_Host *host =3D bsg_job->shost; > + scsi_qla_host_t *vha =3D shost_priv(host); > + struct qla_hw_data *ha =3D vha->hw; > + struct scsi_qla_host *base_vha =3D pci_get_drvdata(ha->pdev); > + struct link_statistics *stats =3D NULL; > + dma_addr_t stats_dma; > + int rval =3D 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 =3D 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 =3D qla24xx_get_isp_stats(base_vha, stats, stats_dma); > + > + if (rval !=3D 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 =3D sizeof(struct link_statis= tics); > + > + bsg_job->reply->reply_data.vendor_reply.vendor_rsp[0] =3D EXT_STATU= S_OK; > + > + bsg_job->reply_len =3D sizeof(struct fc_bsg_reply); > + bsg_job->reply->result =3D 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) > { > switch (bsg_job->request->rqst_data.h_vendor.vendor_cmd[0]) { > @@ -2296,6 +2354,9 @@ qla2x00_process_vendor_specific(struct fc_bsg_j= ob *bsg_job) > case QL_VND_GET_BBCR_DATA: > return qla27xx_get_bbcr_data(bsg_job); > =20 > + 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/ql= a_bsg.h > index 4275177..c40dd8b 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 > =20 > /* BSG Vendor specific subcode returns */ > #define EXT_STATUS_OK 0 > diff --git a/drivers/scsi/qla2xxx/qla_dbg.c b/drivers/scsi/qla2xxx/ql= a_dbg.c > index 493a3ea81..aa6694b 100644 > --- a/drivers/scsi/qla2xxx/qla_dbg.c > +++ b/drivers/scsi/qla2xxx/qla_dbg.c > @@ -32,7 +32,7 @@ > * | | | 0x503d,0x50= 44 | > * | | | 0x507b,0x50= 5f | > * | Timer Routines | 0x6012 | = | > - * | User Space Interactions | 0x70e65 | 0x7018,0x70= 2e | > + * | User Space Interactions | 0x70e3 | 0x7018,0x70= 2e | > * | | | 0x7020,0x7024 | > * | | | 0x7039,0x70= 45 | > * | | | 0x7073-0x70= 75 | > diff --git a/drivers/scsi/qla2xxx/qla_def.h b/drivers/scsi/qla2xxx/ql= a_def.h > index c4bd62a..ceb452d 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]; > }; > =20 > /* > diff --git a/drivers/scsi/qla2xxx/qla_mbx.c b/drivers/scsi/qla2xxx/ql= a_mbx.c > index 4433cfb..3dd3398 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, u= int16_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 =3D offsetof(struct link_statistics, unused1) / 4; > + dwords =3D offsetof(struct link_statistics, > + link_up_cnt) / 4; > siter =3D diter =3D &stats->link_fail_cnt; > while (dwords--) > *diter++ =3D le32_to_cpu(*siter++); > --=20 > 1.7.7 >=20 > -- > To unsubscribe from this list: send the line "unsubscribe linux-scsi"= in > the body of a message to majordomo@vger.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html Seriously, be more verbose on commit messages. Reviewed-by: Johannes Thumshirn --=20 Johannes Thumshirn Storage jthumshirn@suse.de +49 911 74053 689 SUSE LINUX GmbH, Maxfeldstr. 5, 90409 N=FCrnberg GF: Felix Imend=F6rffer, Jane Smithard, Graham Norton HRB 21284 (AG N=FCrnberg) Key fingerprint =3D EC38 9CAB C2C4 F25D 8600 D0D0 0393 969D 2D76 0850 -- To unsubscribe from this list: send the line "unsubscribe linux-scsi" i= n the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html