[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] [Xen-devel] [PATCH 5/6] pci: add config options for MSI-INTx translation in HVM
pci: add config options for MSI-INTx translation in HVM Add a config file option 'pci_msitranslate' to enable MSI-INTx translation in HVM, and also a per-device option 'msitranslate' to allow device based overriden Signed-off-by: Qing He <qing.he@xxxxxxxxx> --- diff -r 82b05ac013fc -r b0a4862c9018 tools/python/xen/xend/XendConfig.py --- a/tools/python/xen/xend/XendConfig.py Thu Jan 08 02:09:19 2009 +0800 +++ b/tools/python/xen/xend/XendConfig.py Thu Jan 08 02:13:31 2009 +0800 @@ -166,6 +166,7 @@ 'guest_os_type': str, 'hap': int, 'xen_extended_power_mgmt': int, + 'pci_msitranslate': int, } # Xen API console 'other_config' keys. diff -r 82b05ac013fc -r b0a4862c9018 tools/python/xen/xend/server/pciif.py --- a/tools/python/xen/xend/server/pciif.py Thu Jan 08 02:09:19 2009 +0800 +++ b/tools/python/xen/xend/server/pciif.py Thu Jan 08 02:13:31 2009 +0800 @@ -95,6 +95,9 @@ back['num_devs']=str(pcidevid) back['uuid'] = config.get('uuid','') + if 'pci_msitranslate' in self.vm.info['platform']: + back['msitranslate']=str(self.vm.info['platform']['pci_msitranslate']) + return (0, back, {}) diff -r 82b05ac013fc -r b0a4862c9018 tools/python/xen/xm/create.py --- a/tools/python/xen/xm/create.py Thu Jan 08 02:09:19 2009 +0800 +++ b/tools/python/xen/xm/create.py Thu Jan 08 02:13:31 2009 +0800 @@ -318,11 +318,14 @@ backend driver domain to use for the disk. The option may be repeated to add more than one disk.""") -gopts.var('pci', val='BUS:DEV.FUNC', +gopts.var('pci', val='BUS:DEV.FUNC[,msitranslate=0|1]', fn=append_value, default=[], use="""Add a PCI device to a domain, using given params (in hex). - For example 'pci=c0:02.1'. - The option may be repeated to add more than one pci device.""") + For example 'pci=c0:02.1'. + If msitranslate is set, MSI-INTx translation is enabled if possible. + Guest that doesn't support MSI will get IO-APIC type IRQs + translated from physical MSI, HVM only. Default is 1. + The option may be repeated to add more than one pci device.""") gopts.var('vscsi', val='PDEV,VDEV[,DOM]', fn=append_value, default=[], @@ -588,6 +591,11 @@ fn=set_bool, default=None, use="""Do not inject spurious page faults into this guest""") +gopts.var('pci_msitranslate', val='TRANSLATE', + fn=set_int, default=1, + use="""Global PCI MSI-INTx translation flag (0=disable; + 1=enable.""") + def err(msg): """Print an error to stderr and exit. """ @@ -672,6 +680,9 @@ d = comma_sep_kv_to_dict(opts) def f(k): + if k not in ['msitranslate']: + err('Invalid pci option: ' + k) + config_pci_opts.append([k, d[k]]) config_pci_bdf = ['dev', ['domain', domain], ['bus', bus], \ @@ -878,7 +889,7 @@ 'sdl', 'display', 'xauthority', 'rtc_timeoffset', 'monitor', 'acpi', 'apic', 'usb', 'usbdevice', 'keymap', 'pci', 'hpet', 'guest_os_type', 'hap', 'opengl', 'cpuid', 'cpuid_check', - 'viridian', 'xen_extended_power_mgmt' ] + 'viridian', 'xen_extended_power_mgmt', 'pci_msitranslate' ] for a in args: if a in vals.__dict__ and vals.__dict__[a] is not None: diff -r 82b05ac013fc -r b0a4862c9018 tools/python/xen/xm/xenapi_create.py --- a/tools/python/xen/xm/xenapi_create.py Thu Jan 08 02:09:19 2009 +0800 +++ b/tools/python/xen/xm/xenapi_create.py Thu Jan 08 02:13:31 2009 +0800 @@ -1041,6 +1041,7 @@ 'vhpt', 'guest_os_type', 'hap', + 'pci_msitranslate', ] platform_configs = [] _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxxxxxxxx http://lists.xensource.com/xen-devel
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