On Wed, Jan 27, 2016 at 12:03:32PM -0500, Himanshu Madhani wrote: > From: Sawan Chandak <[email protected]> > > Signed-off-by: Sawan Chandak <[email protected]> > Signed-off-by: Himanshu Madhani <[email protected]> > --- > drivers/scsi/qla2xxx/qla_bsg.c | 55 > ++++++++++++++++++++++++++++++++++++++++ > drivers/scsi/qla2xxx/qla_bsg.h | 24 +++++++++++++++++ > drivers/scsi/qla2xxx/qla_def.h | 2 + > drivers/scsi/qla2xxx/qla_fw.h | 4 ++- > drivers/scsi/qla2xxx/qla_mbx.c | 8 ++++++ > 5 files changed, 92 insertions(+), 1 deletions(-) > > diff --git a/drivers/scsi/qla2xxx/qla_bsg.c b/drivers/scsi/qla2xxx/qla_bsg.c > index 64fe17a..d135d6a 100644 > --- a/drivers/scsi/qla2xxx/qla_bsg.c > +++ b/drivers/scsi/qla2xxx/qla_bsg.c > @@ -2181,6 +2181,58 @@ qla27xx_set_flash_upd_cap(struct fc_bsg_job *bsg_job) > } > > static int > +qla27xx_get_bbcr_data(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 qla_bbcr_data bbcr; > + uint16_t loop_id, topo, sw_cap; > + uint8_t domain, area, al_pa, state; > + int rval; > + > + if (!(IS_QLA27XX(ha))) > + return -EPERM; > + > + memset(&bbcr, 0, sizeof(bbcr)); > + > + if (vha->flags.bbcr_enable) > + bbcr.status = QLA_BBCR_STATUS_ENABLED; > + else > + bbcr.status = QLA_BBCR_STATUS_DISABLED; > + > + if (bbcr.status == QLA_BBCR_STATUS_ENABLED) { > + rval = qla2x00_get_adapter_id(vha, &loop_id, &al_pa, > + &area, &domain, &topo, &sw_cap); > + if (rval != QLA_SUCCESS) > + return -EIO; > + > + state = (vha->bbcr >> 12) & 0x1; > + > + if (state) { > + bbcr.state = QLA_BBCR_STATE_OFFLINE; > + bbcr.offline_reason_code = QLA_BBCR_REASON_LOGIN_REJECT; > + } else { > + bbcr.state = QLA_BBCR_STATE_ONLINE; > + bbcr.negotiated_bbscn = (vha->bbcr >> 8) & 0xf; > + } > + > + bbcr.configured_bbscn = vha->bbcr & 0xf; > + } > + > + sg_copy_from_buffer(bsg_job->reply_payload.sg_list, > + bsg_job->reply_payload.sg_cnt, &bbcr, sizeof(bbcr)); > + bsg_job->reply->reply_payload_rcv_len = sizeof(bbcr); > + > + 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); > + return 0; > +} > + > +static int > qla2x00_process_vendor_specific(struct fc_bsg_job *bsg_job) > { > switch (bsg_job->request->rqst_data.h_vendor.vendor_cmd[0]) { > @@ -2241,6 +2293,9 @@ qla2x00_process_vendor_specific(struct fc_bsg_job > *bsg_job) > case QL_VND_SET_FLASH_UPDATE_CAPS: > return qla27xx_set_flash_upd_cap(bsg_job); > > + case QL_VND_GET_BBCR_DATA: > + return qla27xx_get_bbcr_data(bsg_job); > + > default: > return -ENOSYS; > } > diff --git a/drivers/scsi/qla2xxx/qla_bsg.h b/drivers/scsi/qla2xxx/qla_bsg.h > index 6c45bf4..4275177 100644 > --- a/drivers/scsi/qla2xxx/qla_bsg.h > +++ b/drivers/scsi/qla2xxx/qla_bsg.h > @@ -27,6 +27,7 @@ > #define QL_VND_SERDES_OP_EX 0x14 > #define QL_VND_GET_FLASH_UPDATE_CAPS 0x15 > #define QL_VND_SET_FLASH_UPDATE_CAPS 0x16 > +#define QL_VND_GET_BBCR_DATA 0x17 > > /* BSG Vendor specific subcode returns */ > #define EXT_STATUS_OK 0 > @@ -239,4 +240,27 @@ struct qla_flash_update_caps { > uint32_t outage_duration; > uint8_t reserved[20]; > } __packed; > + > +/* BB_CR Status */ > +#define QLA_BBCR_STATUS_DISABLED 0 > +#define QLA_BBCR_STATUS_ENABLED 1 > + > +/* BB_CR State */ > +#define QLA_BBCR_STATE_OFFLINE 0 > +#define QLA_BBCR_STATE_ONLINE 1 > + > +/* BB_CR Offline Reason Code */ > +#define QLA_BBCR_REASON_PORT_SPEED 1 > +#define QLA_BBCR_REASON_PEER_PORT 2 > +#define QLA_BBCR_REASON_SWITCH 3 > +#define QLA_BBCR_REASON_LOGIN_REJECT 4 > + > +struct qla_bbcr_data { > + uint8_t status; /* 1 - enabled, 0 - Disabled */ > + uint8_t state; /* 1 - online, 0 - offline */ > + uint8_t configured_bbscn; /* 0-15 */ > + uint8_t negotiated_bbscn; /* 0-15 */ > + uint8_t offline_reason_code; > + uint8_t reserved[11]; > +} __packed; > #endif > diff --git a/drivers/scsi/qla2xxx/qla_def.h b/drivers/scsi/qla2xxx/qla_def.h > index 987480f..c4bd62a 100644 > --- a/drivers/scsi/qla2xxx/qla_def.h > +++ b/drivers/scsi/qla2xxx/qla_def.h > @@ -3583,6 +3583,7 @@ typedef struct scsi_qla_host { > uint32_t delete_progress:1; > > uint32_t fw_tgt_reported:1; > + uint32_t bbcr_enable:1; > } flags; > > atomic_t loop_state; > @@ -3715,6 +3716,7 @@ typedef struct scsi_qla_host { > atomic_t vref_count; > struct qla8044_reset_template reset_tmplt; > struct qla_tgt_counters tgt_counters; > + uint16_t bbcr; > } scsi_qla_host_t; > > struct qla27xx_image_status { > diff --git a/drivers/scsi/qla2xxx/qla_fw.h b/drivers/scsi/qla2xxx/qla_fw.h > index 7f095e3..4c0f3a7 100644 > --- a/drivers/scsi/qla2xxx/qla_fw.h > +++ b/drivers/scsi/qla2xxx/qla_fw.h > @@ -1288,7 +1288,9 @@ struct vp_rpt_id_entry_24xx { > > uint8_t vp_idx_map[16]; > > - uint8_t reserved_4[32]; > + uint8_t reserved_4[28]; > + uint16_t bbcr; > + uint8_t reserved_5[6]; > }; > > #define VF_EVFP_IOCB_TYPE 0x26 /* Exchange Virtual Fabric > Parameters entry. */ > diff --git a/drivers/scsi/qla2xxx/qla_mbx.c b/drivers/scsi/qla2xxx/qla_mbx.c > index 87e6758..4433cfb 100644 > --- a/drivers/scsi/qla2xxx/qla_mbx.c > +++ b/drivers/scsi/qla2xxx/qla_mbx.c > @@ -1349,6 +1349,8 @@ qla2x00_get_adapter_id(scsi_qla_host_t *vha, uint16_t > *id, uint8_t *al_pa, > mcp->in_mb |= MBX_13|MBX_12|MBX_11|MBX_10; > if (IS_FWI2_CAPABLE(vha->hw)) > mcp->in_mb |= MBX_19|MBX_18|MBX_17|MBX_16; > + if (IS_QLA27XX(vha->hw)) > + mcp->in_mb |= MBX_15; > mcp->tov = MBX_TOV_SECONDS; > mcp->flags = 0; > rval = qla2x00_mailbox_command(vha, mcp); > @@ -1400,6 +1402,9 @@ qla2x00_get_adapter_id(scsi_qla_host_t *vha, uint16_t > *id, uint8_t *al_pa, > wwn_to_u64(vha->port_name)); > } > } > + > + if (IS_QLA27XX(vha->hw)) > + vha->bbcr = mcp->mb[15]; > } > > return rval; > @@ -3612,6 +3617,9 @@ qla24xx_report_id_acquisition(scsi_qla_host_t *vha, > rptid_entry->port_id[2], rptid_entry->port_id[1], > rptid_entry->port_id[0]); > > + /* buffer to buffer credit flag */ > + vha->flags.bbcr_enable = (rptid_entry->bbcr & 0xf) != 0; > + > /* FA-WWN is only for physical port */ > if (!vp_idx) { > void *wwpn = ha->init_cb->port_name; > -- > 1.7.7 > > -- > To unsubscribe from this list: send the line "unsubscribe linux-scsi" in > the body of a message to [email protected] > More majordomo info at http://vger.kernel.org/majordomo-info.html
Reviewed-by: Johannes Thumshirn <[email protected]> -- Johannes Thumshirn Storage [email protected] +49 911 74053 689 SUSE LINUX GmbH, Maxfeldstr. 5, 90409 Nürnberg GF: Felix Imendörffer, Jane Smithard, Graham Norton HRB 21284 (AG Nürnberg) Key fingerprint = EC38 9CAB C2C4 F25D 8600 D0D0 0393 969D 2D76 0850 -- To unsubscribe from this list: send the line "unsubscribe linux-scsi" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
