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| -rw-r--r-- | content.tex | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/content.tex b/content.tex index 5abc79e..81160af 100644 --- a/content.tex +++ b/content.tex @@ -2281,7 +2281,7 @@ for the devices are contained, starting at \field{bit_nr}, one bit per virtqueue of the device. Bit numbers start at the left, i.e. the most significant bit in the first byte is assigned the bit number 0. \field{isc} contains the I/O interruption subclass to be used for the adapter -I/O interrupt. It may be different from the isc used by the proxy +I/O interrupt. It MAY be different from the isc used by the proxy virtio-ccw device's subchannel. If the driver has already set up classic queue indicators via the @@ -2367,10 +2367,10 @@ The device MUST ignore bits 0-31 (counting from the left) of GPR2. This aligns passing the subchannel ID with the way it is passed for the existing I/O instructions. -Host cookie is an optional per-virtqueue 64 bit value that can be +Host cookie is an optional per-virtqueue 64 bit value that MAY be used by the hypervisor to speed up the notification execution. For each notification, the output value is returned in GPR2 and -should be passed in GPR4 for the next notification: +SHOULD be passed in GPR4 for the next notification: \begin{lstlisting} info->cookie = do_notify(schid, |