Exemple #1
0
    def CheckSiblingDevices(self, domid, dev):
        """ Check if all sibling devices of dev are owned by pciback or pci-stub
        """
        if not self.vm.info.is_hvm():
            return

        group_str = xc.get_device_group(domid, dev.domain, dev.bus, dev.slot, dev.func)
        if group_str == "":
            return

        #group string format xx:xx.x,xx:xx.x,
        for i in group_str.split(','):
            if i == '':
                continue
            pci_dev = parse_pci_name(i)
            pci_dev['domain'] = '%04x' % dev.domain
            try:
                sdev = PciDevice(pci_dev)
            except Exception, e:
                #no dom0 drivers bound to sdev
                continue

            if sdev.driver!='pciback' and sdev.driver!='pci-stub':
                raise VmError(("pci: PCI Backend and pci-stub don't "+ \
                    "own sibling device %s of device %s"\
                    )%(sdev.name, dev.name))
Exemple #2
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    def CheckSiblingDevices(self, domid, dev):
        """ Check if all sibling devices of dev are owned by pciback
        """
        if not self.vm.info.is_hvm():
            return

        group_str = xc.get_device_group(domid, dev.domain, dev.bus, dev.slot, dev.func)
        if group_str == "":
            return

        #group string format xx:xx.x,xx:xx.x,
        devstr_len = group_str.find(',')
        for i in range(0, len(group_str), devstr_len + 1):
            (bus, slotfunc) = group_str[i:i + devstr_len].split(':')
            (slot, func) = slotfunc.split('.')
            b = parse_hex(bus)
            d = parse_hex(slot)
            f = parse_hex(func)
            try:
                sdev = PciDevice(dev.domain, b, d, f)
            except Exception, e:
                #no dom0 drivers bound to sdev
                continue

            if sdev.driver!='pciback':
                raise VmError(("pci: PCI Backend does not own\n "+ \
                    "sibling device %s of device %s\n"+ \
                    "See the pciback.hide kernel "+ \
                    "command-line parameter or\n"+ \
                    "bind your slot/device to the PCI backend using sysfs" \
                    )%(sdev.name, dev.name))
Exemple #3
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    def CheckSiblingDevices(self, domid, dev):
        """ Check if all sibling devices of dev are owned by pciback or pci-stub
        """
        if not self.vm.info.is_hvm():
            return

        group_str = xc.get_device_group(domid, dev.domain, dev.bus, dev.slot,
                                        dev.func)
        if group_str == "":
            return

        #group string format xx:xx.x,xx:xx.x,
        for i in group_str.split(','):
            if i == '':
                continue
            pci_dev = parse_pci_name(i)
            pci_dev['domain'] = '%04x' % dev.domain
            try:
                sdev = PciDevice(pci_dev)
            except Exception, e:
                #no dom0 drivers bound to sdev
                continue

            if sdev.driver != 'pciback' and sdev.driver != 'pci-stub':
                raise VmError(("pci: PCI Backend and pci-stub don't "+ \
                    "own sibling device %s of device %s"\
                    )%(sdev.name, dev.name))
Exemple #4
0
    def CheckSiblingDevices(self, domid, dev):
        """ Check if all sibling devices of dev are owned by pciback
        """
        if not self.vm.info.is_hvm():
            return

        group_str = xc.get_device_group(domid, dev.domain, dev.bus, dev.slot,
                                        dev.func)
        if group_str == "":
            return

        #group string format xx:xx.x,xx:xx.x,
        devstr_len = group_str.find(',')
        for i in range(0, len(group_str), devstr_len + 1):
            (bus, slotfunc) = group_str[i:i + devstr_len].split(':')
            (slot, func) = slotfunc.split('.')
            b = parse_hex(bus)
            d = parse_hex(slot)
            f = parse_hex(func)
            try:
                sdev = PciDevice(dev.domain, b, d, f)
            except Exception, e:
                #no dom0 drivers bound to sdev
                continue

            if sdev.driver != 'pciback':
                raise VmError(("pci: PCI Backend does not own\n "+ \
                    "sibling device %s of device %s\n"+ \
                    "See the pciback.hide kernel "+ \
                    "command-line parameter or\n"+ \
                    "bind your slot/device to the PCI backend using sysfs" \
                    )%(sdev.name, dev.name))