Author: mav
Date: Wed Nov 7 23:12:53 2012
New Revision: 242720
URL: http://svnweb.freebsd.org/changeset/base/242720
Log:
Use information about suported diagnostic pages to avoid reading optional
Element Descriptor page if it is not supported. This removes one error
message from verbose logs during boot on systems with some enclosures.
Sponsored by: iXsystems, Inc.
Modified:
head/sys/cam/scsi/scsi_enc_ses.c
Modified: head/sys/cam/scsi/scsi_enc_ses.c
==============================================================================
--- head/sys/cam/scsi/scsi_enc_ses.c Wed Nov 7 22:53:46 2012
(r242719)
+++ head/sys/cam/scsi/scsi_enc_ses.c Wed Nov 7 23:12:53 2012
(r242720)
@@ -363,6 +363,7 @@ typedef struct ses_softc {
uint32_t ses_flags;
#define SES_FLAG_TIMEDCOMP 0x01
#define SES_FLAG_ADDLSTATUS 0x02
+#define SES_FLAG_DESC 0x04
ses_control_reqlist_t ses_requests;
ses_control_reqlist_t ses_pending_requests;
@@ -1271,7 +1272,10 @@ ses_process_pages(enc_softc_t *enc, stru
err = 0;
for (i = 0; i < length; i++) {
- if (page->params[i] == SesAddlElementStatus) {
+ if (page->params[i] == SesElementDescriptor) {
+ ses->ses_flags |= SES_FLAG_DESC;
+ break;
+ } else if (page->params[i] == SesAddlElementStatus) {
ses->ses_flags |= SES_FLAG_ADDLSTATUS;
break;
}
@@ -1486,7 +1490,8 @@ out:
ses_cache_free(enc, enc_cache);
else {
enc_update_request(enc, SES_UPDATE_GETSTATUS);
- enc_update_request(enc, SES_UPDATE_GETELMDESCS);
+ if (ses->ses_flags & SES_FLAG_DESC)
+ enc_update_request(enc, SES_UPDATE_GETELMDESCS);
if (ses->ses_flags & SES_FLAG_ADDLSTATUS)
enc_update_request(enc, SES_UPDATE_GETELMADDLSTATUS);
enc_update_request(enc, SES_PUBLISH_CACHE);
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