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authorgibbs <gibbs@FreeBSD.org>1996-04-28 19:43:10 +0000
committergibbs <gibbs@FreeBSD.org>1996-04-28 19:43:10 +0000
commitc17cc2e1bedeb94384f0251f46ed703860b946d6 (patch)
treef93d9e23f1c064d8feee303756ce56b6d7d8a98a
parenta18fa55c6a9fe716740f5513c43a0e2345021f19 (diff)
downloadFreeBSD-src-c17cc2e1bedeb94384f0251f46ed703860b946d6.zip
FreeBSD-src-c17cc2e1bedeb94384f0251f46ed703860b946d6.tar.gz
Bring back the AHC_TAGENABLE compile option and document it. You must
use this option to get tagged queuing. Just like the old days.
-rw-r--r--share/man/man4/ahc.411
-rw-r--r--share/man/man4/man4.i386/ahc.411
2 files changed, 18 insertions, 4 deletions
diff --git a/share/man/man4/ahc.4 b/share/man/man4/ahc.4
index 1600738..3864193 100644
--- a/share/man/man4/ahc.4
+++ b/share/man/man4/ahc.4
@@ -40,6 +40,9 @@ For one or more PCI cards:
.Cd controller pci0
.Cd controller ahc0
.Pp
+To enable tagged queueing:
+.Cd options AHC_TAGENABLE
+.Pp
To enable SCB paging:
.Cd options AHC_SCBPAGING_ENABLE
.Pp
@@ -58,13 +61,17 @@ or
.Tn AIC7880
host adapter chips.
Features include support for twin and wide busses,
-ultra SCSI,
-two commands per non-tagged queueing target,
+ultra
+.Tn SCSI,
+two active commands at a time per non-tagged queueing target,
tagged queuing,
and SCB paging which allows up to 255 active commands on all adapters
except those using
.Tn AIC7770
chips prior to revision E.
+Tagged queueing is enabled with the
+.Dq Dv AHC_TAGENABLE
+configuration option.
SCB paging is enabled with the
.Dq Dv AHC_SCBPAGING_ENABLE
configuration option.
diff --git a/share/man/man4/man4.i386/ahc.4 b/share/man/man4/man4.i386/ahc.4
index 1600738..3864193 100644
--- a/share/man/man4/man4.i386/ahc.4
+++ b/share/man/man4/man4.i386/ahc.4
@@ -40,6 +40,9 @@ For one or more PCI cards:
.Cd controller pci0
.Cd controller ahc0
.Pp
+To enable tagged queueing:
+.Cd options AHC_TAGENABLE
+.Pp
To enable SCB paging:
.Cd options AHC_SCBPAGING_ENABLE
.Pp
@@ -58,13 +61,17 @@ or
.Tn AIC7880
host adapter chips.
Features include support for twin and wide busses,
-ultra SCSI,
-two commands per non-tagged queueing target,
+ultra
+.Tn SCSI,
+two active commands at a time per non-tagged queueing target,
tagged queuing,
and SCB paging which allows up to 255 active commands on all adapters
except those using
.Tn AIC7770
chips prior to revision E.
+Tagged queueing is enabled with the
+.Dq Dv AHC_TAGENABLE
+configuration option.
SCB paging is enabled with the
.Dq Dv AHC_SCBPAGING_ENABLE
configuration option.
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