diff options
author | Len Brown <len.brown@intel.com> | 2006-01-07 03:50:18 -0500 |
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committer | Len Brown <len.brown@intel.com> | 2006-01-07 03:50:18 -0500 |
commit | ed03f430cdc8c802652467e9097606fedc2c7abc (patch) | |
tree | 30941ec1e6f93e99358fefe18175e5dd800a4379 /drivers/scsi/lpfc/lpfc_nportdisc.c | |
parent | ed349a8a0a780ed27e2a765f16cee54d9b63bfee (diff) | |
parent | 6f957eaf79356a32e838f5f262ee9a60544b1d5b (diff) | |
download | op-kernel-dev-ed03f430cdc8c802652467e9097606fedc2c7abc.zip op-kernel-dev-ed03f430cdc8c802652467e9097606fedc2c7abc.tar.gz |
Pull pnpacpi into acpica branch
Diffstat (limited to 'drivers/scsi/lpfc/lpfc_nportdisc.c')
-rw-r--r-- | drivers/scsi/lpfc/lpfc_nportdisc.c | 69 |
1 files changed, 45 insertions, 24 deletions
diff --git a/drivers/scsi/lpfc/lpfc_nportdisc.c b/drivers/scsi/lpfc/lpfc_nportdisc.c index 507a6af..fbead78 100644 --- a/drivers/scsi/lpfc/lpfc_nportdisc.c +++ b/drivers/scsi/lpfc/lpfc_nportdisc.c @@ -55,55 +55,76 @@ lpfc_check_adisc(struct lpfc_hba * phba, struct lpfc_nodelist * ndlp, return (1); } - int lpfc_check_sparm(struct lpfc_hba * phba, struct lpfc_nodelist * ndlp, struct serv_parm * sp, uint32_t class) { volatile struct serv_parm *hsp = &phba->fc_sparam; - /* First check for supported version */ - - /* Next check for class validity */ + uint16_t hsp_value, ssp_value = 0; + + /* + * The receive data field size and buffer-to-buffer receive data field + * size entries are 16 bits but are represented as two 8-bit fields in + * the driver data structure to account for rsvd bits and other control + * bits. Reconstruct and compare the fields as a 16-bit values before + * correcting the byte values. + */ if (sp->cls1.classValid) { - - if (sp->cls1.rcvDataSizeMsb > hsp->cls1.rcvDataSizeMsb) - sp->cls1.rcvDataSizeMsb = hsp->cls1.rcvDataSizeMsb; - if (sp->cls1.rcvDataSizeLsb > hsp->cls1.rcvDataSizeLsb) + hsp_value = (hsp->cls1.rcvDataSizeMsb << 8) | + hsp->cls1.rcvDataSizeLsb; + ssp_value = (sp->cls1.rcvDataSizeMsb << 8) | + sp->cls1.rcvDataSizeLsb; + if (ssp_value > hsp_value) { sp->cls1.rcvDataSizeLsb = hsp->cls1.rcvDataSizeLsb; + sp->cls1.rcvDataSizeMsb = hsp->cls1.rcvDataSizeMsb; + } } else if (class == CLASS1) { - return (0); + return 0; } if (sp->cls2.classValid) { - - if (sp->cls2.rcvDataSizeMsb > hsp->cls2.rcvDataSizeMsb) - sp->cls2.rcvDataSizeMsb = hsp->cls2.rcvDataSizeMsb; - if (sp->cls2.rcvDataSizeLsb > hsp->cls2.rcvDataSizeLsb) + hsp_value = (hsp->cls2.rcvDataSizeMsb << 8) | + hsp->cls2.rcvDataSizeLsb; + ssp_value = (sp->cls2.rcvDataSizeMsb << 8) | + sp->cls2.rcvDataSizeLsb; + if (ssp_value > hsp_value) { sp->cls2.rcvDataSizeLsb = hsp->cls2.rcvDataSizeLsb; + sp->cls2.rcvDataSizeMsb = hsp->cls2.rcvDataSizeMsb; + } } else if (class == CLASS2) { - return (0); + return 0; } if (sp->cls3.classValid) { - - if (sp->cls3.rcvDataSizeMsb > hsp->cls3.rcvDataSizeMsb) - sp->cls3.rcvDataSizeMsb = hsp->cls3.rcvDataSizeMsb; - if (sp->cls3.rcvDataSizeLsb > hsp->cls3.rcvDataSizeLsb) + hsp_value = (hsp->cls3.rcvDataSizeMsb << 8) | + hsp->cls3.rcvDataSizeLsb; + ssp_value = (sp->cls3.rcvDataSizeMsb << 8) | + sp->cls3.rcvDataSizeLsb; + if (ssp_value > hsp_value) { sp->cls3.rcvDataSizeLsb = hsp->cls3.rcvDataSizeLsb; + sp->cls3.rcvDataSizeMsb = hsp->cls3.rcvDataSizeMsb; + } } else if (class == CLASS3) { - return (0); + return 0; } - if (sp->cmn.bbRcvSizeMsb > hsp->cmn.bbRcvSizeMsb) - sp->cmn.bbRcvSizeMsb = hsp->cmn.bbRcvSizeMsb; - if (sp->cmn.bbRcvSizeLsb > hsp->cmn.bbRcvSizeLsb) + /* + * Preserve the upper four bits of the MSB from the PLOGI response. + * These bits contain the Buffer-to-Buffer State Change Number + * from the target and need to be passed to the FW. + */ + hsp_value = (hsp->cmn.bbRcvSizeMsb << 8) | hsp->cmn.bbRcvSizeLsb; + ssp_value = (sp->cmn.bbRcvSizeMsb << 8) | sp->cmn.bbRcvSizeLsb; + if (ssp_value > hsp_value) { sp->cmn.bbRcvSizeLsb = hsp->cmn.bbRcvSizeLsb; + sp->cmn.bbRcvSizeMsb = (sp->cmn.bbRcvSizeMsb & 0xF0) | + (hsp->cmn.bbRcvSizeMsb & 0x0F); + } - /* If check is good, copy wwpn wwnn into ndlp */ memcpy(&ndlp->nlp_nodename, &sp->nodeName, sizeof (struct lpfc_name)); memcpy(&ndlp->nlp_portname, &sp->portName, sizeof (struct lpfc_name)); - return (1); + return 1; } static void * |