MPT_DETECT_BOUND_POR(9) Message-based devices MPT_DETECT_BOUND_POR(9)NAME
mpt_detect_bound_ports - Search for matching PCI bus/dev_function
void mpt_detect_bound_ports(MPT_ADAPTER * ioc, struct pci_dev * pdev);
Pointer to MPT adapter structure
Pointer to (struct pci_dev) structure
Search for PCI bus/dev_function which matches PCI bus/dev_function (+/-1) for newly discovered 929, 929X, 1030 or 1035.
If match on PCI dev_function +/-1 is found, bind the two MPT adapters using alt_ioc pointer fields in their MPT_ADAPTER structures.
COPYRIGHT Kernel Hackers Manual 3.10 June 2014 MPT_DETECT_BOUND_POR(9)
Check Out this Related Man Page
PCIBACK(4) BSD/xen Kernel Interfaces Manual PCIBACK(4)NAME
pciback -- Xen backend paravirtualized PCI pass-through driver
pciback* at pci?
The pciback driver is the backend part of the PCI pass-through functionality that can be used by the Xen dom0 to export pci(4) devices to a
guest domain. To export a PCI device to a guest domain, the device has to be attached to pciback in the dom0.
When the guest domain is NetBSD, the device attached to the pciback driver will attach to a xpci(4) bus inside the guest domain.
To attach a device to the pciback driver, follow these steps:
1. look for the device PCI ID, via pcictl(8).
2. edit boot.cfg(5) and add the PCI ID to the list of PCI IDs that you want to attach to pciback, in bus:device.function notation.
The list is passed to dom0 module via the pciback.hide parameter:
See also boot(8).
3. reboot dom0.
4. add the PCI ID to the list of PCI devices in the domain configuration file:
pci = ['bus:dev.fun', '...']
5. start the guest domain.
SEE ALSO pci(4), xpci(4), boot(8), pcictl(8)HISTORY
The pciback driver first appeared in NetBSD 5.1.
The pciback driver was written by Manuel Bouyer <bouyer@NetBSD.org>.
Currently, to attach a device to the pciback backend, this procedure has to be performed at boot(8) time. In the future, it will be possible
to do it without requiring a dom0 reboot.
As PCI passthrough offers the possibility for guest domains to send arbitrary PCI commands to a physical device, this has direct impact on
the overall stability and security of the system. For example, in case of erroneous or malicious commands, the device could overwrite physi-
cal memory portions, via DMA.
BSD January 8, 2011 BSD
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