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bhyve.8: Improve emulation description of the -s flag

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- Set width of the list to the longest key word for readability.
- Separate descriptions of amd_hostbridge and hostbridge emulations.
  Also, wordsmith their descriptions for consistency with other entries.
- Use Cm instead of Li for command modifiers.
- Do not stylize AMD with Li, there's no need to do it.
- Mention COM3 and COM4 in the definition of lpc.
- Fix a typo in the definition of ahci-hd ("hard drive" instead of
  "hard-drive").

MFC after:	2 weeks
This commit is contained in:
Mateusz Piotrowski 2021-04-18 23:08:39 +02:00
parent 234d8c470b
commit 7014cb2393
1 changed files with 27 additions and 27 deletions
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54
usr.sbin/bhyve/bhyve.8
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@ -281,53 +281,53 @@ The
.Ar emulation
argument
can be one of the following:
.Bl -tag -width 10n
.It Li hostbridge | Li amd_hostbridge
.Pp
Provide a simple host bridge.
.Bl -tag -width "amd_hostbridge"
.It Cm hostbridge
A simple host bridge.
This is usually configured at slot 0, and is required by most guest
operating systems.
The
.Li amd_hostbridge
emulation is identical but uses a PCI vendor ID of
.Li AMD .
.It Li passthru
.It Cm amd_hostbridge
Emulation identical to
.Cm hostbridge
using a PCI vendor ID of AMD.
.It Cm passthru
PCI pass-through device.
.It Li virtio-net
.It Cm virtio-net
Virtio network interface.
.It Li virtio-blk
.It Cm virtio-blk
Virtio block storage interface.
.It Li virtio-scsi
.It Cm virtio-scsi
Virtio SCSI interface.
.It Li virtio-9p
.It Cm virtio-9p
Virtio 9p (VirtFS) interface.
.It Li virtio-rnd
.It Cm virtio-rnd
Virtio RNG interface.
.It Li virtio-console
.It Cm virtio-console
Virtio console interface, which exposes multiple ports
to the guest in the form of simple char devices for simple IO
between the guest and host userspaces.
.It Li ahci
.It Cm ahci
AHCI controller attached to arbitrary devices.
.It Li ahci-cd
.It Cm ahci-cd
AHCI controller attached to an ATAPI CD/DVD.
.It Li ahci-hd
AHCI controller attached to a SATA hard-drive.
.It Li e1000
.It Cm ahci-hd
AHCI controller attached to a SATA hard drive.
.It Cm e1000
Intel e82545 network interface.
.It Li uart
.It Cm uart
PCI 16550 serial device.
.It Li lpc
LPC PCI-ISA bridge with COM1 and COM2 16550 serial ports, a boot ROM, and,
.It Cm lpc
LPC PCI-ISA bridge with COM1, COM2, COM3, and COM4 16550 serial ports,
a boot ROM, and,
optionally, the debug/test device.
The LPC bridge emulation can only be configured on bus 0.
.It Li fbuf
.It Cm fbuf
Raw framebuffer device attached to VNC server.
.It Li xhci
.It Cm xhci
eXtensible Host Controller Interface (xHCI) USB controller.
.It Li nvme
.It Cm nvme
NVM Express (NVMe) controller.
.It Li hda
.It Cm hda
High Definition Audio Controller.
.El
.Pp