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Diffstat (limited to 'qapi-schema.json')
| -rw-r--r-- | qapi-schema.json | 58 |
1 files changed, 58 insertions, 0 deletions
diff --git a/qapi-schema.json b/qapi-schema.json index 7cfb5e5d1e..2d64ce67d9 100644 --- a/qapi-schema.json +++ b/qapi-schema.json @@ -28,7 +28,65 @@ 'data': [ 'GenericError', 'CommandNotFound', 'DeviceEncrypted', 'DeviceNotActive', 'DeviceNotFound', 'KVMMissingCap' ] } + +## +# LostTickPolicy: +# +# Policy for handling lost ticks in timer devices. +# +# @discard: throw away the missed tick(s) and continue with future injection +# normally. Guest time may be delayed, unless the OS has explicit +# handling of lost ticks +# +# @delay: continue to deliver ticks at the normal rate. Guest time will be +# delayed due to the late tick +# +# @merge: merge the missed tick(s) into one tick and inject. Guest time +# may be delayed, depending on how the OS reacts to the merging +# of ticks +# +# @slew: deliver ticks at a higher rate to catch up with the missed tick. The +# guest time should not be delayed once catchup is complete. +# +# Since: 2.0 +## +{ 'enum': 'LostTickPolicy', + 'data': ['discard', 'delay', 'merge', 'slew' ] } + ## +# BiosAtaTranslation: +# +# Policy that BIOS should use to interpret cylinder/head/sector +# addresses. Note that Bochs BIOS and SeaBIOS will not actually +# translate logical CHS to physical; instead, they will use logical +# block addressing. +# +# @auto: If cylinder/heads/sizes are passed, choose between none and LBA +# depending on the size of the disk. If they are not passed, +# choose none if QEMU can guess that the disk had 16 or fewer +# heads, large if QEMU can guess that the disk had 131072 or +# fewer tracks across all heads (i.e. cylinders*heads<131072), +# otherwise LBA. +# +# @none: The physical disk geometry is equal to the logical geometry. +# +# @lba: Assume 63 sectors per track and one of 16, 32, 64, 128 or 255 +# heads (if fewer than 255 are enough to cover the whole disk +# with 1024 cylinders/head). The number of cylinders/head is +# then computed based on the number of sectors and heads. +# +# @large: The number of cylinders per head is scaled down to 1024 +# by correspondingly scaling up the number of heads. +# +# @rechs: Same as @large, but first convert a 16-head geometry to +# 15-head, by proportionally scaling up the number of +# cylinders/head. +# +# Since: 2.0 +## +{ 'enum': 'BiosAtaTranslation', + 'data': ['auto', 'none', 'lba', 'large', 'rechs']} + # @add_client # # Allow client connections for VNC, Spice and socket based |