* [virtio] [PATCH] virtio_pci_cap64: bar/BAR cleanups
@ 2019-11-27 21:28 Michael S. Tsirkin
0 siblings, 0 replies; only message in thread
From: Michael S. Tsirkin @ 2019-11-27 21:28 UTC (permalink / raw)
To: virtio-comment, virtio-dev; +Cc: virtio, Christophe de Dinechin
When we mean PCI register we should say BAR.
When we mean a virtio config register we should say \field{cap.bar}.
Finally, offset_hi/length_hi are not within the cap structure.
Reported-by: Christophe de Dinechin <cdupontd@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
---
content.tex | 8 ++++----
1 file changed, 4 insertions(+), 4 deletions(-)
diff --git a/content.tex b/content.tex
index d68cfaf..75cab0a 100644
--- a/content.tex
+++ b/content.tex
@@ -763,7 +763,7 @@ \subsection{Virtio Structure PCI Capabilities}\label{sec:Virtio Transport Option
Given that the \field{cap.length} and \field{cap.offset} fields
are only 32 bit, the additional \field{offset_hi} and \field {length_hi}
fields provide the most significant 32 bits of a total 64 bit offset and
-length within the bar specified by \field{cap.bar}.
+length within the BAR specified by \field{cap.bar}.
\drivernormative{\subsubsection}{Virtio Structure PCI Capabilities}{Virtio Transport Options / Virtio Over PCI Bus / Virtio Structure PCI Capabilities}
@@ -1093,9 +1093,9 @@ \subsubsection{Shared memory capability}\label{sec:Virtio Transport Options / Vi
\devicenormative{\paragraph}{Device-specific configuration}{Virtio Transport Options / Virtio Over PCI Bus / PCI Device Layout / Shared memory capability}
-The region defined by the combination of the \field {cap.offset},
-\field {cap.offset_hi}, and \field {cap.length}, \field
-{cap.length_hi} fields MUST be contained within the declared bar.
+The region defined by the combination of the \field{cap.offset},
+\field{offset_hi}, and \field {cap.length}, \field{length_hi} fields
+MUST be contained within the BAR specified by \field{cap.bar}.
The \field{cap.id} MUST be unique for any one device instance.
--
MST
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2019-11-27 21:28 [virtio] [PATCH] virtio_pci_cap64: bar/BAR cleanups Michael S. Tsirkin
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