INTRO(4) - Device Drivers Manual (sparc64) # INTRO(4) - Device Drivers Manual (sparc64)
NAME # intro - introduction to special files and hardware support
DESCRIPTION # The manual pages in section 4 describe the special files, related driver functions, and networking support available in the system. In this part of the manual, the SYNOPSIS section of each configurable device gives a sample specification for use in constructing a system description for the config(8) program.
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MAINBUS(4) - Device Drivers Manual # MAINBUS(4) - Device Drivers Manual
NAME # mainbus - device tree root
SYNOPSIS # mainbus0 at root
DESCRIPTION # mainbus provides an abstraction for all system buses to attach to. It is the start of the device tree and always attached. It is not a physical device as such, but an abstraction to which other devices may attach.
The actual buses which attach are largely machine-dependent; refer to the individual man pages for more information.
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PVBUS(4) - Device Drivers Manual # PVBUS(4) - Device Drivers Manual
NAME # pvbus - paravirtual device tree root
SYNOPSIS # pvbus0 at mainbus0
#include <sys/types.h>
#include <sys/ioctl.h>
#include <dev/pv/pvvar.h>
DESCRIPTION # pvbus is used on virtual machines that are running on hypervisors. It provides a pseudo-bus for all paravirtual devices that do not attach to a well-known bus like pci(4). The pvbus driver is responsible for detecting the hypervisor interface, checking the capabilities, attaching the paravirtual devices, and providing access to supported information stores.
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SCHSIO(4) - Device Drivers Manual # SCHSIO(4) - Device Drivers Manual
NAME # schsio - SMSC SCH311x LPC Super I/O
SYNOPSIS # schsio* at isa? port 0x2e flags 0x0000 schsio* at isa? port 0x4e flags 0x0000 schsio* at isa? port 0x162e flags 0x0000 schsio* at isa? port 0x164e flags 0x0000
DESCRIPTION # The schsio driver provides support for the SMSC SCH3112, SCH3114, and SCH3116 ICs. Among other things, the devices contain environment sensors, a watchdog timer, and fan control.
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XBF(4) - Device Drivers Manual # XBF(4) - Device Drivers Manual
NAME # xbf - Xen Blkfront virtual disk
SYNOPSIS # xbf* at xen?
DESCRIPTION # The xbf driver provides support for a paravirtual disk interface “Blkfront”, native to the Xen hypervisor.
During attach the xbf driver will ask the hypervisor to switch all configured virtual disks over to the Blkfront interface regardless of the VM configuration.
SEE ALSO # autoconf(4), intro(4), xen(4)
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XEN(4) - Device Drivers Manual # XEN(4) - Device Drivers Manual
NAME # xen - Xen domU nexus device
SYNOPSIS # xen0 at pvbus?
DESCRIPTION # xen driver performs HVM domU guest initialization, provides abstraction for virtual Xen interrupts, access to the XenStore configuration storage as well as a device probing facility for paravirtualized devices such as disk and network interfaces.
When running under XenServer, to let the host know that the guest has finished initializing and to allow graceful shutdown, set the following XenStore properties with hostctl(8) in rc.
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XNF(4) - Device Drivers Manual # XNF(4) - Device Drivers Manual
NAME # xnf - Xen Netfront networking interface
SYNOPSIS # xnf* at xen?
DESCRIPTION # The xnf driver provides support for a paravirtual networking interface “Netfront” native to the Xen hypervisor.
During attach the xnf driver will ask the hypervisor to switch all configured virtual interfaces over to the Netfront interface regardless of the VM configuration.
SEE ALSO # autoconf(4), intro(4), xen(4)
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