[libvirt] [PATCH] Fix logic for assigning PCI addresses to USB2 companion controllers
From: "Daniel P. Berrange" <berrange@redhat.com> Currently each USB2 companion controller gets put on a separate PCI slot. Not only is this wasteful of PCI slots, but it is not in compliance with the spec for USB2 controllers. The master echi1 and all companion controllers should be in the same slot, with echi1 in function 7, and uhci1-3 in functions 0-2 respectively. * src/qemu/qemu_command.c: Special case handling of USB2 controllers to apply correct pci slot assignment * tests/qemuxml2argvdata/qemuxml2argv-usb-ich9-ehci-addr.args, tests/qemuxml2argvdata/qemuxml2argv-usb-ich9-ehci-addr.xml: Expand test to cover automatic slot assignment --- src/qemu/qemu_command.c | 107 ++++++++++++++++---- .../qemuxml2argv-usb-ich9-ehci-addr.args | 15 ++- .../qemuxml2argv-usb-ich9-ehci-addr.xml | 37 ++++++- 3 files changed, 138 insertions(+), 21 deletions(-) diff --git a/src/qemu/qemu_command.c b/src/qemu/qemu_command.c index 117542f..1ec5a92 100644 --- a/src/qemu/qemu_command.c +++ b/src/qemu/qemu_command.c @@ -1168,8 +1168,7 @@ void qemuDomainPCIAddressSetFree(qemuDomainPCIAddressSetPtr addrs) } -int qemuDomainPCIAddressSetNextAddr(qemuDomainPCIAddressSetPtr addrs, - virDomainDeviceInfoPtr dev) +static int qemuDomainPCIAddressGetNextSlot(qemuDomainPCIAddressSetPtr addrs) { int i; int iteration; @@ -1196,20 +1195,10 @@ int qemuDomainPCIAddressSetNextAddr(qemuDomainPCIAddressSetPtr addrs, continue; } - VIR_DEBUG("Allocating PCI addr %s", addr); + VIR_DEBUG("Found free PCI addr %s", addr); VIR_FREE(addr); - if (qemuDomainPCIAddressReserveSlot(addrs, i) < 0) - return -1; - - dev->type = VIR_DOMAIN_DEVICE_ADDRESS_TYPE_PCI; - dev->addr.pci = maybe.addr.pci; - - addrs->nextslot = i + 1; - if (QEMU_PCI_ADDRESS_LAST_SLOT < addrs->nextslot) - addrs->nextslot = 0; - - return 0; + return i; } qemuReportError(VIR_ERR_INTERNAL_ERROR, @@ -1217,6 +1206,38 @@ int qemuDomainPCIAddressSetNextAddr(qemuDomainPCIAddressSetPtr addrs, return -1; } +int qemuDomainPCIAddressSetNextAddr(qemuDomainPCIAddressSetPtr addrs, + virDomainDeviceInfoPtr dev) +{ + int slot = qemuDomainPCIAddressGetNextSlot(addrs); + + if (slot < 0) + return -1; + + if (qemuDomainPCIAddressReserveSlot(addrs, slot) < 0) + return -1; + + dev->type = VIR_DOMAIN_DEVICE_ADDRESS_TYPE_PCI; + dev->addr.pci.bus = 0; + dev->addr.pci.domain = 0; + dev->addr.pci.slot = slot; + dev->addr.pci.function = 0; + + addrs->nextslot = slot + 1; + if (QEMU_PCI_ADDRESS_LAST_SLOT < addrs->nextslot) + addrs->nextslot = 0; + + return 0; +} + + +#define IS_USB2_CONTROLLER(ctrl) \ + (((ctrl)->type == VIR_DOMAIN_CONTROLLER_TYPE_USB) && \ + ((ctrl)->model == VIR_DOMAIN_CONTROLLER_MODEL_USB_ICH9_EHCI1 || \ + (ctrl)->model == VIR_DOMAIN_CONTROLLER_MODEL_USB_ICH9_UHCI1 || \ + (ctrl)->model == VIR_DOMAIN_CONTROLLER_MODEL_USB_ICH9_UHCI2 || \ + (ctrl)->model == VIR_DOMAIN_CONTROLLER_MODEL_USB_ICH9_UHCI3)) + /* * This assigns static PCI slots to all configured devices. * The ordering here is chosen to match the ordering used @@ -1252,7 +1273,7 @@ int qemuDomainPCIAddressSetNextAddr(qemuDomainPCIAddressSetPtr addrs, int qemuAssignDevicePCISlots(virDomainDefPtr def, qemuDomainPCIAddressSetPtr addrs) { - int i; + size_t i, j; bool reservedIDE = false; bool reservedUSB = false; int function; @@ -1396,7 +1417,7 @@ qemuAssignDevicePCISlots(virDomainDefPtr def, qemuDomainPCIAddressSetPtr addrs) goto error; } - /* Disk controllers (SCSI only for now) */ + /* Device controllers (SCSI, USB, but not IDE, FDC or CCID) */ for (i = 0; i < def->ncontrollers ; i++) { /* FDC lives behind the ISA bridge; CCID is a usb device */ if (def->controllers[i]->type == VIR_DOMAIN_CONTROLLER_TYPE_FDC || @@ -1413,8 +1434,58 @@ qemuAssignDevicePCISlots(virDomainDefPtr def, qemuDomainPCIAddressSetPtr addrs) continue; if (def->controllers[i]->info.type != VIR_DOMAIN_DEVICE_ADDRESS_TYPE_NONE) continue; - if (qemuDomainPCIAddressSetNextAddr(addrs, &def->controllers[i]->info) < 0) - goto error; + + /* USB2 needs special handling to put all companions in the same slot */ + if (IS_USB2_CONTROLLER(def->controllers[i])) { + virDomainDevicePCIAddress addr = { 0, 0, 0, 0, false }; + for (j = 0 ; j < i ; j++) { + if (IS_USB2_CONTROLLER(def->controllers[j]) && + def->controllers[j]->idx == def->controllers[i]->idx) { + addr = def->controllers[j]->info.addr.pci; + break; + } + } + + switch (def->controllers[i]->model) { + case VIR_DOMAIN_CONTROLLER_MODEL_USB_ICH9_EHCI1: + addr.function = 7; + break; + case VIR_DOMAIN_CONTROLLER_MODEL_USB_ICH9_UHCI1: + addr.function = 0; + addr.multi = VIR_DOMAIN_DEVICE_ADDRESS_PCI_MULTI_ON; + break; + case VIR_DOMAIN_CONTROLLER_MODEL_USB_ICH9_UHCI2: + addr.function = 1; + break; + case VIR_DOMAIN_CONTROLLER_MODEL_USB_ICH9_UHCI3: + addr.function = 2; + break; + } + + if (addr.slot == 0) { + /* This is the first part of the controller, so need + * to find a free slot & then reserve a function */ + int slot = qemuDomainPCIAddressGetNextSlot(addrs); + if (slot < 0) + goto error; + + addr.slot = slot; + addrs->nextslot = addr.slot + 1; + if (QEMU_PCI_ADDRESS_LAST_SLOT < addrs->nextslot) + addrs->nextslot = 0; + } + /* Finally we can reserve the slot+function */ + if (qemuDomainPCIAddressReserveFunction(addrs, + addr.slot, + addr.function) < 0) + goto error; + + def->controllers[i]->info.type = VIR_DOMAIN_DEVICE_ADDRESS_TYPE_PCI; + def->controllers[i]->info.addr.pci = addr; + } else { + if (qemuDomainPCIAddressSetNextAddr(addrs, &def->controllers[i]->info) < 0) + goto error; + } } /* Disks (VirtIO only for now) */ diff --git a/tests/qemuxml2argvdata/qemuxml2argv-usb-ich9-ehci-addr.args b/tests/qemuxml2argvdata/qemuxml2argv-usb-ich9-ehci-addr.args index babd4f8..cf070a1 100644 --- a/tests/qemuxml2argvdata/qemuxml2argv-usb-ich9-ehci-addr.args +++ b/tests/qemuxml2argvdata/qemuxml2argv-usb-ich9-ehci-addr.args @@ -2,5 +2,16 @@ LC_ALL=C PATH=/bin HOME=/home/test USER=test LOGNAME=test /usr/bin/qemu -S \ -M pc -m 214 -smp 1 -nographic -nodefconfig -nodefaults \ -chardev socket,id=charmonitor,path=/tmp/test-monitor,server,nowait \ -mon chardev=charmonitor,id=monitor,mode=readline -no-acpi -boot c \ --device ich9-usb-ehci1,id=usb,bus=pci.0,addr=0x4.0x7 \ --device virtio-balloon-pci,id=balloon0,bus=pci.0,addr=0x3 +-device ich9-usb-ehci1,id=usb,bus=pci.0,addr=0x3.0x7 \ +-device ich9-usb-uhci1,masterbus=usb.0,firstport=0,bus=pci.0,multifunction=on,addr=0x3 \ +-device ich9-usb-uhci3,masterbus=usb.0,firstport=4,bus=pci.0,addr=0x3.0x2 \ +-device ich9-usb-uhci2,masterbus=usb.0,firstport=2,bus=pci.0,addr=0x3.0x1 \ +-device ich9-usb-ehci1,id=usb1,bus=pci.0,addr=0x4.0x7 \ +-device ich9-usb-uhci1,masterbus=usb1.0,firstport=0,bus=pci.0,multifunction=on,addr=0x4 \ +-device ich9-usb-uhci3,masterbus=usb1.0,firstport=4,bus=pci.0,addr=0x4.0x2 \ +-device ich9-usb-uhci2,masterbus=usb1.0,firstport=2,bus=pci.0,addr=0x4.0x1 \ +-device ich9-usb-ehci1,id=usb2,bus=pci.0,addr=0x5.0x7 \ +-device ich9-usb-uhci1,masterbus=usb2.0,firstport=0,bus=pci.0,multifunction=on,addr=0x5 \ +-device ich9-usb-uhci3,masterbus=usb2.0,firstport=4,bus=pci.0,addr=0x5.0x2 \ +-device ich9-usb-uhci2,masterbus=usb2.0,firstport=2,bus=pci.0,addr=0x5.0x1 \ +-device virtio-balloon-pci,id=balloon0,bus=pci.0,addr=0x6 diff --git a/tests/qemuxml2argvdata/qemuxml2argv-usb-ich9-ehci-addr.xml b/tests/qemuxml2argvdata/qemuxml2argv-usb-ich9-ehci-addr.xml index 09633ae..8eff1d7 100644 --- a/tests/qemuxml2argvdata/qemuxml2argv-usb-ich9-ehci-addr.xml +++ b/tests/qemuxml2argvdata/qemuxml2argv-usb-ich9-ehci-addr.xml @@ -10,8 +10,43 @@ </os> <devices> <emulator>/usr/bin/qemu</emulator> + <!-- Intentionally mixed up ordering to check we assign + addresses to the correct matching companions --> <controller type='usb' index='0' model='ich9-ehci1'> - <address type='pci' domain='0' bus='0' slot='4' function='7'/> + </controller> + <controller type='usb' index='2' model='ich9-ehci1'> + </controller> + <controller type='usb' index='1' model='ich9-ehci1'> + </controller> + + <controller type='usb' index='0' model='ich9-uhci1'> + <master startport='0'/> + </controller> + <controller type='usb' index='1' model='ich9-uhci1'> + <master startport='0'/> + </controller> + <controller type='usb' index='2' model='ich9-uhci1'> + <master startport='0'/> + </controller> + + <controller type='usb' index='0' model='ich9-uhci3'> + <master startport='4'/> + </controller> + <controller type='usb' index='1' model='ich9-uhci3'> + <master startport='4'/> + </controller> + <controller type='usb' index='2' model='ich9-uhci3'> + <master startport='4'/> + </controller> + + <controller type='usb' index='2' model='ich9-uhci2'> + <master startport='2'/> + </controller> + <controller type='usb' index='1' model='ich9-uhci2'> + <master startport='2'/> + </controller> + <controller type='usb' index='0' model='ich9-uhci2'> + <master startport='2'/> </controller> <memballoon model='virtio'/> </devices> -- 1.7.10.1
Hi, Thanks for working on this. I've little useful feedback atm I'm afraid, but I do have a question based on reading the xml for the tests, is it necessary to set the startports explicitly? or do they get the correct default based on the model, ie uhci1 startport 0, uhci startport 2, etc? Regards, Hans On 05/14/2012 12:19 PM, Daniel P. Berrange wrote:
From: "Daniel P. Berrange"<berrange@redhat.com>
Currently each USB2 companion controller gets put on a separate PCI slot. Not only is this wasteful of PCI slots, but it is not in compliance with the spec for USB2 controllers. The master echi1 and all companion controllers should be in the same slot, with echi1 in function 7, and uhci1-3 in functions 0-2 respectively.
* src/qemu/qemu_command.c: Special case handling of USB2 controllers to apply correct pci slot assignment * tests/qemuxml2argvdata/qemuxml2argv-usb-ich9-ehci-addr.args, tests/qemuxml2argvdata/qemuxml2argv-usb-ich9-ehci-addr.xml: Expand test to cover automatic slot assignment --- src/qemu/qemu_command.c | 107 ++++++++++++++++---- .../qemuxml2argv-usb-ich9-ehci-addr.args | 15 ++- .../qemuxml2argv-usb-ich9-ehci-addr.xml | 37 ++++++- 3 files changed, 138 insertions(+), 21 deletions(-)
diff --git a/src/qemu/qemu_command.c b/src/qemu/qemu_command.c index 117542f..1ec5a92 100644 --- a/src/qemu/qemu_command.c +++ b/src/qemu/qemu_command.c @@ -1168,8 +1168,7 @@ void qemuDomainPCIAddressSetFree(qemuDomainPCIAddressSetPtr addrs) }
-int qemuDomainPCIAddressSetNextAddr(qemuDomainPCIAddressSetPtr addrs, - virDomainDeviceInfoPtr dev) +static int qemuDomainPCIAddressGetNextSlot(qemuDomainPCIAddressSetPtr addrs) { int i; int iteration; @@ -1196,20 +1195,10 @@ int qemuDomainPCIAddressSetNextAddr(qemuDomainPCIAddressSetPtr addrs, continue; }
- VIR_DEBUG("Allocating PCI addr %s", addr); + VIR_DEBUG("Found free PCI addr %s", addr); VIR_FREE(addr);
- if (qemuDomainPCIAddressReserveSlot(addrs, i)< 0) - return -1; - - dev->type = VIR_DOMAIN_DEVICE_ADDRESS_TYPE_PCI; - dev->addr.pci = maybe.addr.pci; - - addrs->nextslot = i + 1; - if (QEMU_PCI_ADDRESS_LAST_SLOT< addrs->nextslot) - addrs->nextslot = 0; - - return 0; + return i; }
qemuReportError(VIR_ERR_INTERNAL_ERROR, @@ -1217,6 +1206,38 @@ int qemuDomainPCIAddressSetNextAddr(qemuDomainPCIAddressSetPtr addrs, return -1; }
+int qemuDomainPCIAddressSetNextAddr(qemuDomainPCIAddressSetPtr addrs, + virDomainDeviceInfoPtr dev) +{ + int slot = qemuDomainPCIAddressGetNextSlot(addrs); + + if (slot< 0) + return -1; + + if (qemuDomainPCIAddressReserveSlot(addrs, slot)< 0) + return -1; + + dev->type = VIR_DOMAIN_DEVICE_ADDRESS_TYPE_PCI; + dev->addr.pci.bus = 0; + dev->addr.pci.domain = 0; + dev->addr.pci.slot = slot; + dev->addr.pci.function = 0; + + addrs->nextslot = slot + 1; + if (QEMU_PCI_ADDRESS_LAST_SLOT< addrs->nextslot) + addrs->nextslot = 0; + + return 0; +} + + +#define IS_USB2_CONTROLLER(ctrl) \ + (((ctrl)->type == VIR_DOMAIN_CONTROLLER_TYPE_USB)&& \ + ((ctrl)->model == VIR_DOMAIN_CONTROLLER_MODEL_USB_ICH9_EHCI1 || \ + (ctrl)->model == VIR_DOMAIN_CONTROLLER_MODEL_USB_ICH9_UHCI1 || \ + (ctrl)->model == VIR_DOMAIN_CONTROLLER_MODEL_USB_ICH9_UHCI2 || \ + (ctrl)->model == VIR_DOMAIN_CONTROLLER_MODEL_USB_ICH9_UHCI3)) + /* * This assigns static PCI slots to all configured devices. * The ordering here is chosen to match the ordering used @@ -1252,7 +1273,7 @@ int qemuDomainPCIAddressSetNextAddr(qemuDomainPCIAddressSetPtr addrs, int qemuAssignDevicePCISlots(virDomainDefPtr def, qemuDomainPCIAddressSetPtr addrs) { - int i; + size_t i, j; bool reservedIDE = false; bool reservedUSB = false; int function; @@ -1396,7 +1417,7 @@ qemuAssignDevicePCISlots(virDomainDefPtr def, qemuDomainPCIAddressSetPtr addrs) goto error; }
- /* Disk controllers (SCSI only for now) */ + /* Device controllers (SCSI, USB, but not IDE, FDC or CCID) */ for (i = 0; i< def->ncontrollers ; i++) { /* FDC lives behind the ISA bridge; CCID is a usb device */ if (def->controllers[i]->type == VIR_DOMAIN_CONTROLLER_TYPE_FDC || @@ -1413,8 +1434,58 @@ qemuAssignDevicePCISlots(virDomainDefPtr def, qemuDomainPCIAddressSetPtr addrs) continue; if (def->controllers[i]->info.type != VIR_DOMAIN_DEVICE_ADDRESS_TYPE_NONE) continue; - if (qemuDomainPCIAddressSetNextAddr(addrs,&def->controllers[i]->info)< 0) - goto error; + + /* USB2 needs special handling to put all companions in the same slot */ + if (IS_USB2_CONTROLLER(def->controllers[i])) { + virDomainDevicePCIAddress addr = { 0, 0, 0, 0, false }; + for (j = 0 ; j< i ; j++) { + if (IS_USB2_CONTROLLER(def->controllers[j])&& + def->controllers[j]->idx == def->controllers[i]->idx) { + addr = def->controllers[j]->info.addr.pci; + break; + } + } + + switch (def->controllers[i]->model) { + case VIR_DOMAIN_CONTROLLER_MODEL_USB_ICH9_EHCI1: + addr.function = 7; + break; + case VIR_DOMAIN_CONTROLLER_MODEL_USB_ICH9_UHCI1: + addr.function = 0; + addr.multi = VIR_DOMAIN_DEVICE_ADDRESS_PCI_MULTI_ON; + break; + case VIR_DOMAIN_CONTROLLER_MODEL_USB_ICH9_UHCI2: + addr.function = 1; + break; + case VIR_DOMAIN_CONTROLLER_MODEL_USB_ICH9_UHCI3: + addr.function = 2; + break; + } + + if (addr.slot == 0) { + /* This is the first part of the controller, so need + * to find a free slot& then reserve a function */ + int slot = qemuDomainPCIAddressGetNextSlot(addrs); + if (slot< 0) + goto error; + + addr.slot = slot; + addrs->nextslot = addr.slot + 1; + if (QEMU_PCI_ADDRESS_LAST_SLOT< addrs->nextslot) + addrs->nextslot = 0; + } + /* Finally we can reserve the slot+function */ + if (qemuDomainPCIAddressReserveFunction(addrs, + addr.slot, + addr.function)< 0) + goto error; + + def->controllers[i]->info.type = VIR_DOMAIN_DEVICE_ADDRESS_TYPE_PCI; + def->controllers[i]->info.addr.pci = addr; + } else { + if (qemuDomainPCIAddressSetNextAddr(addrs,&def->controllers[i]->info)< 0) + goto error; + } }
/* Disks (VirtIO only for now) */ diff --git a/tests/qemuxml2argvdata/qemuxml2argv-usb-ich9-ehci-addr.args b/tests/qemuxml2argvdata/qemuxml2argv-usb-ich9-ehci-addr.args index babd4f8..cf070a1 100644 --- a/tests/qemuxml2argvdata/qemuxml2argv-usb-ich9-ehci-addr.args +++ b/tests/qemuxml2argvdata/qemuxml2argv-usb-ich9-ehci-addr.args @@ -2,5 +2,16 @@ LC_ALL=C PATH=/bin HOME=/home/test USER=test LOGNAME=test /usr/bin/qemu -S \ -M pc -m 214 -smp 1 -nographic -nodefconfig -nodefaults \ -chardev socket,id=charmonitor,path=/tmp/test-monitor,server,nowait \ -mon chardev=charmonitor,id=monitor,mode=readline -no-acpi -boot c \ --device ich9-usb-ehci1,id=usb,bus=pci.0,addr=0x4.0x7 \ --device virtio-balloon-pci,id=balloon0,bus=pci.0,addr=0x3 +-device ich9-usb-ehci1,id=usb,bus=pci.0,addr=0x3.0x7 \ +-device ich9-usb-uhci1,masterbus=usb.0,firstport=0,bus=pci.0,multifunction=on,addr=0x3 \ +-device ich9-usb-uhci3,masterbus=usb.0,firstport=4,bus=pci.0,addr=0x3.0x2 \ +-device ich9-usb-uhci2,masterbus=usb.0,firstport=2,bus=pci.0,addr=0x3.0x1 \ +-device ich9-usb-ehci1,id=usb1,bus=pci.0,addr=0x4.0x7 \ +-device ich9-usb-uhci1,masterbus=usb1.0,firstport=0,bus=pci.0,multifunction=on,addr=0x4 \ +-device ich9-usb-uhci3,masterbus=usb1.0,firstport=4,bus=pci.0,addr=0x4.0x2 \ +-device ich9-usb-uhci2,masterbus=usb1.0,firstport=2,bus=pci.0,addr=0x4.0x1 \ +-device ich9-usb-ehci1,id=usb2,bus=pci.0,addr=0x5.0x7 \ +-device ich9-usb-uhci1,masterbus=usb2.0,firstport=0,bus=pci.0,multifunction=on,addr=0x5 \ +-device ich9-usb-uhci3,masterbus=usb2.0,firstport=4,bus=pci.0,addr=0x5.0x2 \ +-device ich9-usb-uhci2,masterbus=usb2.0,firstport=2,bus=pci.0,addr=0x5.0x1 \ +-device virtio-balloon-pci,id=balloon0,bus=pci.0,addr=0x6 diff --git a/tests/qemuxml2argvdata/qemuxml2argv-usb-ich9-ehci-addr.xml b/tests/qemuxml2argvdata/qemuxml2argv-usb-ich9-ehci-addr.xml index 09633ae..8eff1d7 100644 --- a/tests/qemuxml2argvdata/qemuxml2argv-usb-ich9-ehci-addr.xml +++ b/tests/qemuxml2argvdata/qemuxml2argv-usb-ich9-ehci-addr.xml @@ -10,8 +10,43 @@ </os> <devices> <emulator>/usr/bin/qemu</emulator> +<!-- Intentionally mixed up ordering to check we assign + addresses to the correct matching companions --> <controller type='usb' index='0' model='ich9-ehci1'> -<address type='pci' domain='0' bus='0' slot='4' function='7'/> +</controller> +<controller type='usb' index='2' model='ich9-ehci1'> +</controller> +<controller type='usb' index='1' model='ich9-ehci1'> +</controller> + +<controller type='usb' index='0' model='ich9-uhci1'> +<master startport='0'/> +</controller> +<controller type='usb' index='1' model='ich9-uhci1'> +<master startport='0'/> +</controller> +<controller type='usb' index='2' model='ich9-uhci1'> +<master startport='0'/> +</controller> + +<controller type='usb' index='0' model='ich9-uhci3'> +<master startport='4'/> +</controller> +<controller type='usb' index='1' model='ich9-uhci3'> +<master startport='4'/> +</controller> +<controller type='usb' index='2' model='ich9-uhci3'> +<master startport='4'/> +</controller> + +<controller type='usb' index='2' model='ich9-uhci2'> +<master startport='2'/> +</controller> +<controller type='usb' index='1' model='ich9-uhci2'> +<master startport='2'/> +</controller> +<controller type='usb' index='0' model='ich9-uhci2'> +<master startport='2'/> </controller> <memballoon model='virtio'/> </devices>
On Mon, May 14, 2012 at 01:06:50PM +0200, Hans de Goede wrote:
Hi,
Thanks for working on this. I've little useful feedback atm I'm afraid, but I do have a question based on reading the xml for the tests, is it necessary to set the startports explicitly? or do they get the correct default based on the model, ie uhci1 startport 0, uhci startport 2, etc?
I will double check. If it doesn't already do it, it should be trivial to set correct defaults based on model name. Daniel -- |: http://berrange.com -o- http://www.flickr.com/photos/dberrange/ :| |: http://libvirt.org -o- http://virt-manager.org :| |: http://autobuild.org -o- http://search.cpan.org/~danberr/ :| |: http://entangle-photo.org -o- http://live.gnome.org/gtk-vnc :|
On 05/14/2012 04:19 AM, Daniel P. Berrange wrote:
From: "Daniel P. Berrange" <berrange@redhat.com>
Currently each USB2 companion controller gets put on a separate PCI slot. Not only is this wasteful of PCI slots, but it is not in compliance with the spec for USB2 controllers. The master echi1 and all companion controllers should be in the same slot, with echi1 in function 7, and uhci1-3 in functions 0-2 respectively.
* src/qemu/qemu_command.c: Special case handling of USB2 controllers to apply correct pci slot assignment * tests/qemuxml2argvdata/qemuxml2argv-usb-ich9-ehci-addr.args, tests/qemuxml2argvdata/qemuxml2argv-usb-ich9-ehci-addr.xml: Expand test to cover automatic slot assignment --- src/qemu/qemu_command.c | 107 ++++++++++++++++---- .../qemuxml2argv-usb-ich9-ehci-addr.args | 15 ++- .../qemuxml2argv-usb-ich9-ehci-addr.xml | 37 ++++++- 3 files changed, 138 insertions(+), 21 deletions(-)
+++ b/tests/qemuxml2argvdata/qemuxml2argv-usb-ich9-ehci-addr.xml @@ -10,8 +10,43 @@ </os> <devices> <emulator>/usr/bin/qemu</emulator> + <!-- Intentionally mixed up ordering to check we assign + addresses to the correct matching companions --> <controller type='usb' index='0' model='ich9-ehci1'> - <address type='pci' domain='0' bus='0' slot='4' function='7'/> + </controller>
Can we also add a matching file in qemuxml2xmloutdata/ to ensure that qemuxml2xmltest converts the mixed up input into consistent output? Other than that, ACK. -- Eric Blake eblake@redhat.com +1-919-301-3266 Libvirt virtualization library http://libvirt.org
On Mon, May 14, 2012 at 03:55:50PM -0600, Eric Blake wrote:
On 05/14/2012 04:19 AM, Daniel P. Berrange wrote:
From: "Daniel P. Berrange" <berrange@redhat.com>
Currently each USB2 companion controller gets put on a separate PCI slot. Not only is this wasteful of PCI slots, but it is not in compliance with the spec for USB2 controllers. The master echi1 and all companion controllers should be in the same slot, with echi1 in function 7, and uhci1-3 in functions 0-2 respectively.
* src/qemu/qemu_command.c: Special case handling of USB2 controllers to apply correct pci slot assignment * tests/qemuxml2argvdata/qemuxml2argv-usb-ich9-ehci-addr.args, tests/qemuxml2argvdata/qemuxml2argv-usb-ich9-ehci-addr.xml: Expand test to cover automatic slot assignment --- src/qemu/qemu_command.c | 107 ++++++++++++++++---- .../qemuxml2argv-usb-ich9-ehci-addr.args | 15 ++- .../qemuxml2argv-usb-ich9-ehci-addr.xml | 37 ++++++- 3 files changed, 138 insertions(+), 21 deletions(-)
+++ b/tests/qemuxml2argvdata/qemuxml2argv-usb-ich9-ehci-addr.xml @@ -10,8 +10,43 @@ </os> <devices> <emulator>/usr/bin/qemu</emulator> + <!-- Intentionally mixed up ordering to check we assign + addresses to the correct matching companions --> <controller type='usb' index='0' model='ich9-ehci1'> - <address type='pci' domain='0' bus='0' slot='4' function='7'/> + </controller>
Can we also add a matching file in qemuxml2xmloutdata/ to ensure that qemuxml2xmltest converts the mixed up input into consistent output?
I added a test case and it showed my USB code is correct, but it found a pre-existing flaw in other area causing us to drop info when saving the XML ! https://www.redhat.com/archives/libvir-list/2012-May/msg00811.html Daniel -- |: http://berrange.com -o- http://www.flickr.com/photos/dberrange/ :| |: http://libvirt.org -o- http://virt-manager.org :| |: http://autobuild.org -o- http://search.cpan.org/~danberr/ :| |: http://entangle-photo.org -o- http://live.gnome.org/gtk-vnc :|
participants (3)
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Daniel P. Berrange -
Eric Blake -
Hans de Goede