[PATCH RESEND 04/20] virpci.c: simplify virPCIDeviceNew() signature

Daniel Henrique Barboza danielhb413 at gmail.com
Fri Jan 22 09:36:47 UTC 2021



On 1/20/21 10:17 PM, Laine Stump wrote:
> On 1/18/21 2:53 PM, Daniel Henrique Barboza wrote:
>> The current virPCIDeviceNew() signature, receiving 4 uints in sequence
>> (domain, bus, slot, function), is not neat.
>>
>> We already have a way to represent a PCI address in virPCIDeviceAddress
>> that is used in the code. Aside from the test files, most of
>> virPCIDeviceNew() callers have access to a virPCIDeviceAddress reference,
>> but then we need to retrieve the 4 required uints (addr.domain, addr.bus,
>> addr.slot, addr.function) to satisfy virPCIDeviceNew(). The result is
>> that we have extra verbosity/boilerplate to retrieve an information that
>> is already available in virPCIDeviceAddress.
>>
>> A better way is presented by virNVMEDeviceNew(), where the caller just
>> supplies a virPCIDeviceAddress pointer and the function handles the
>> details internally.
>>
>> This patch changes virPCIDeviceNew() to receive a virPCIDeviceAddress
>> pointer instead of 4 uints.
>>
>> Signed-off-by: Daniel Henrique Barboza <danielhb413 at gmail.com>
>> ---
>>   src/hypervisor/virhostdev.c        |  3 +--
>>   src/libxl/libxl_driver.c           |  6 ++---
>>   src/node_device/node_device_udev.c | 11 +++++---
>>   src/qemu/qemu_domain_address.c     |  5 +---
>>   src/qemu/qemu_driver.c             |  6 ++---
>>   src/security/security_apparmor.c   |  3 +--
>>   src/security/security_dac.c        |  6 ++---
>>   src/security/security_selinux.c    |  6 ++---
>>   src/security/virt-aa-helper.c      |  6 +----
>>   src/util/virnetdev.c               |  3 +--
>>   src/util/virnvme.c                 |  5 +---
>>   src/util/virpci.c                  | 40 +++++++++---------------------
>>   src/util/virpci.h                  |  5 +---
>>   tests/virhostdevtest.c             |  3 ++-
>>   tests/virpcitest.c                 | 35 +++++++++++++++++++-------
>>   15 files changed, 64 insertions(+), 79 deletions(-)
>>
>> diff --git a/src/hypervisor/virhostdev.c b/src/hypervisor/virhostdev.c
>> index be32a26164..bd35397f2c 100644
>> --- a/src/hypervisor/virhostdev.c
>> +++ b/src/hypervisor/virhostdev.c
>> @@ -235,8 +235,7 @@ virHostdevGetPCIHostDevice(const virDomainHostdevDef *hostdev,
>>           hostdev->source.subsys.type != VIR_DOMAIN_HOSTDEV_SUBSYS_TYPE_PCI)
>>           return 0;
>> -    actual = virPCIDeviceNew(pcisrc->addr.domain, pcisrc->addr.bus,
>> -                             pcisrc->addr.slot, pcisrc->addr.function);
>> +    actual = virPCIDeviceNew(&pcisrc->addr);
>>       if (!actual)
>>           return -1;
>> diff --git a/src/libxl/libxl_driver.c b/src/libxl/libxl_driver.c
>> index 360d553a22..3eaf106006 100644
>> --- a/src/libxl/libxl_driver.c
>> +++ b/src/libxl/libxl_driver.c
>> @@ -5818,7 +5818,7 @@ libxlNodeDeviceDetachFlags(virNodeDevicePtr dev,
>>       if (virDomainDriverNodeDeviceGetPCIInfo(def, &devAddr) < 0)
>>           goto cleanup;
>> -    pci = virPCIDeviceNew(devAddr.domain, devAddr.bus, devAddr.slot, devAddr.function);
>> +    pci = virPCIDeviceNew(&devAddr);
>>       if (!pci)
>>           goto cleanup;
>> @@ -5889,7 +5889,7 @@ libxlNodeDeviceReAttach(virNodeDevicePtr dev)
>>       if (virDomainDriverNodeDeviceGetPCIInfo(def, &devAddr) < 0)
>>           goto cleanup;
>> -    pci = virPCIDeviceNew(devAddr.domain, devAddr.bus, devAddr.slot, devAddr.function);
>> +    pci = virPCIDeviceNew(&devAddr);
>>       if (!pci)
>>           goto cleanup;
>> @@ -5947,7 +5947,7 @@ libxlNodeDeviceReset(virNodeDevicePtr dev)
>>       if (virDomainDriverNodeDeviceGetPCIInfo(def, &devAddr) < 0)
>>           goto cleanup;
>> -    pci = virPCIDeviceNew(devAddr.domain, devAddr.bus, devAddr.slot, devAddr.function);
>> +    pci = virPCIDeviceNew(&devAddr);
>>       if (!pci)
>>           goto cleanup;
>> diff --git a/src/node_device/node_device_udev.c b/src/node_device/node_device_udev.c
>> index 55a2731681..fceb135aa5 100644
>> --- a/src/node_device/node_device_udev.c
>> +++ b/src/node_device/node_device_udev.c
>> @@ -367,6 +367,7 @@ udevProcessPCI(struct udev_device *device,
>>       virNodeDevCapPCIDevPtr pci_dev = &def->caps->data.pci_dev;
>>       virPCIEDeviceInfoPtr pci_express = NULL;
>>       virPCIDevicePtr pciDev = NULL;
>> +    virPCIDeviceAddress devAddr;
>>       int ret = -1;
>>       char *p;
>>       bool privileged;
>> @@ -416,10 +417,12 @@ udevProcessPCI(struct udev_device *device,
>>       if (virNodeDeviceGetPCIDynamicCaps(def->sysfs_path, pci_dev) < 0)
>>           goto cleanup;
>> -    if (!(pciDev = virPCIDeviceNew(pci_dev->domain,
>> -                                   pci_dev->bus,
>> -                                   pci_dev->slot,
>> -                                   pci_dev->function)))
>> +    devAddr.domain = pci_dev->domain;
>> +    devAddr.bus = pci_dev->bus;
>> +    devAddr.slot = pci_dev->slot;
>> +    devAddr.function = pci_dev->function;
> 
> 
> Now see - there we are again! If virNodeDevCapPCIDev could just have a virPCIDeviceAddress, then this could have been a 4->1 conversion instead of 4->4. Ah well, tomorrow is another day!
> 


Convert nodedev_dev to use PCIDeviceAddr instead of 4 uints is not
that hard (just checked with a quick search). I'm not sure if this
would have an implication in the public API though.


Thanks,

DHB


> 
>> +
>> +    if (!(pciDev = virPCIDeviceNew(&devAddr)))
>>           goto cleanup;
>>       /* We need to be root to read PCI device configs */
>> diff --git a/src/qemu/qemu_domain_address.c b/src/qemu/qemu_domain_address.c
>> index f0ba318cc8..ae4ad6677c 100644
>> --- a/src/qemu/qemu_domain_address.c
>> +++ b/src/qemu/qemu_domain_address.c
>> @@ -857,10 +857,7 @@ qemuDomainDeviceCalculatePCIConnectFlags(virDomainDeviceDefPtr dev,
>>               return 0;
>>           }
>> -        if (!(pciDev = virPCIDeviceNew(hostAddr->domain,
>> -                                       hostAddr->bus,
>> -                                       hostAddr->slot,
>> -                                       hostAddr->function))) {
>> +        if (!(pciDev = virPCIDeviceNew(hostAddr))) {
>>               /* libvirt should be able to perform all the
>>                * operations in virPCIDeviceNew() even if it's
>>                * running unprivileged, so if this fails, the device
>> diff --git a/src/qemu/qemu_driver.c b/src/qemu/qemu_driver.c
>> index 28781cc34b..7581e3c8cb 100644
>> --- a/src/qemu/qemu_driver.c
>> +++ b/src/qemu/qemu_driver.c
>> @@ -12000,7 +12000,7 @@ qemuNodeDeviceDetachFlags(virNodeDevicePtr dev,
>>       if (virDomainDriverNodeDeviceGetPCIInfo(def, &devAddr) < 0)
>>           goto cleanup;
>> -    pci = virPCIDeviceNew(devAddr.domain, devAddr.bus, devAddr.slot, devAddr.function);
>> +    pci = virPCIDeviceNew(&devAddr);
>>       if (!pci)
>>           goto cleanup;
>> @@ -12081,7 +12081,7 @@ qemuNodeDeviceReAttach(virNodeDevicePtr dev)
>>       if (virDomainDriverNodeDeviceGetPCIInfo(def, &devAddr) < 0)
>>           goto cleanup;
>> -    pci = virPCIDeviceNew(devAddr.domain, devAddr.bus, devAddr.slot, devAddr.function);
>> +    pci = virPCIDeviceNew(&devAddr);
>>       if (!pci)
>>           goto cleanup;
>> @@ -12135,7 +12135,7 @@ qemuNodeDeviceReset(virNodeDevicePtr dev)
>>       if (virDomainDriverNodeDeviceGetPCIInfo(def, &devAddr) < 0)
>>           goto cleanup;
>> -    pci = virPCIDeviceNew(devAddr.domain, devAddr.bus, devAddr.slot, devAddr.function);
>> +    pci = virPCIDeviceNew(&devAddr);
>>       if (!pci)
>>           goto cleanup;
>> diff --git a/src/security/security_apparmor.c b/src/security/security_apparmor.c
>> index 1b035cce2f..b564866678 100644
>> --- a/src/security/security_apparmor.c
>> +++ b/src/security/security_apparmor.c
>> @@ -876,8 +876,7 @@ AppArmorSetSecurityHostdevLabel(virSecurityManagerPtr mgr,
>>       case VIR_DOMAIN_HOSTDEV_SUBSYS_TYPE_PCI: {
>>           virPCIDevicePtr pci =
>> -            virPCIDeviceNew(pcisrc->addr.domain, pcisrc->addr.bus,
>> -                            pcisrc->addr.slot, pcisrc->addr.function);
>> +            virPCIDeviceNew(&pcisrc->addr);
>>           if (!pci)
>>               goto done;
>> diff --git a/src/security/security_dac.c b/src/security/security_dac.c
>> index 4f4a0a069e..b5e56feaa8 100644
>> --- a/src/security/security_dac.c
>> +++ b/src/security/security_dac.c
>> @@ -1268,8 +1268,7 @@ virSecurityDACSetHostdevLabel(virSecurityManagerPtr mgr,
>>       case VIR_DOMAIN_HOSTDEV_SUBSYS_TYPE_PCI: {
>>           virPCIDevicePtr pci =
>> -            virPCIDeviceNew(pcisrc->addr.domain, pcisrc->addr.bus,
>> -                            pcisrc->addr.slot, pcisrc->addr.function);
>> +            virPCIDeviceNew(&pcisrc->addr);
>>           if (!pci)
>>               return -1;
>> @@ -1437,8 +1436,7 @@ virSecurityDACRestoreHostdevLabel(virSecurityManagerPtr mgr,
>>       case VIR_DOMAIN_HOSTDEV_SUBSYS_TYPE_PCI: {
>>           virPCIDevicePtr pci =
>> -            virPCIDeviceNew(pcisrc->addr.domain, pcisrc->addr.bus,
>> -                            pcisrc->addr.slot, pcisrc->addr.function);
>> +            virPCIDeviceNew(&pcisrc->addr);
>>           if (!pci)
>>               return -1;
>> diff --git a/src/security/security_selinux.c b/src/security/security_selinux.c
>> index 2fc6ef2616..76edaed027 100644
>> --- a/src/security/security_selinux.c
>> +++ b/src/security/security_selinux.c
>> @@ -2103,8 +2103,7 @@ virSecuritySELinuxSetHostdevSubsysLabel(virSecurityManagerPtr mgr,
>>       case VIR_DOMAIN_HOSTDEV_SUBSYS_TYPE_PCI: {
>>           virPCIDevicePtr pci =
>> -            virPCIDeviceNew(pcisrc->addr.domain, pcisrc->addr.bus,
>> -                            pcisrc->addr.slot, pcisrc->addr.function);
>> +            virPCIDeviceNew(&pcisrc->addr);
>>           if (!pci)
>>               return -1;
>> @@ -2343,8 +2342,7 @@ virSecuritySELinuxRestoreHostdevSubsysLabel(virSecurityManagerPtr mgr,
>>       case VIR_DOMAIN_HOSTDEV_SUBSYS_TYPE_PCI: {
>>           virPCIDevicePtr pci =
>> -            virPCIDeviceNew(pcisrc->addr.domain, pcisrc->addr.bus,
>> -                            pcisrc->addr.slot, pcisrc->addr.function);
>> +            virPCIDeviceNew(&pcisrc->addr);
>>           if (!pci)
>>               return -1;
>> diff --git a/src/security/virt-aa-helper.c b/src/security/virt-aa-helper.c
>> index 5a6f4a5f7d..5efdb61e59 100644
>> --- a/src/security/virt-aa-helper.c
>> +++ b/src/security/virt-aa-helper.c
>> @@ -1104,11 +1104,7 @@ get_files(vahControl * ctl)
>>               }
>>               case VIR_DOMAIN_HOSTDEV_SUBSYS_TYPE_PCI: {
>> -                virPCIDevicePtr pci = virPCIDeviceNew(
>> -                           dev->source.subsys.u.pci.addr.domain,
>> -                           dev->source.subsys.u.pci.addr.bus,
>> -                           dev->source.subsys.u.pci.addr.slot,
>> -                           dev->source.subsys.u.pci.addr.function);
>> +                virPCIDevicePtr pci = virPCIDeviceNew(&dev->source.subsys.u.pci.addr);
> 
> 
> See! Like this!!
> 
> 
> Anyway, this is giving me some thoughts about solving it, but in the meantime this patch is good on its own:
> 
> 
> Reviewed-by: Laine Stump <laine at redhat.com>
> 
> 
>>                   virDomainHostdevSubsysPCIBackendType backend = dev->source.subsys.u.pci.backend;
>>                   if (backend == VIR_DOMAIN_HOSTDEV_PCI_BACKEND_VFIO ||
>> diff --git a/src/util/virnetdev.c b/src/util/virnetdev.c
>> index a73e5f72f1..acb3ec960c 100644
>> --- a/src/util/virnetdev.c
>> +++ b/src/util/virnetdev.c
>> @@ -1141,8 +1141,7 @@ virNetDevGetPCIDevice(const char *devName)
>>       if (!vfPCIAddr)
>>           return NULL;
>> -    return virPCIDeviceNew(vfPCIAddr->domain, vfPCIAddr->bus,
>> -                           vfPCIAddr->slot, vfPCIAddr->function);
>> +    return virPCIDeviceNew(vfPCIAddr);
>>   }
>>   # endif
>> diff --git a/src/util/virnvme.c b/src/util/virnvme.c
>> index b8179aa431..66b73cd1d1 100644
>> --- a/src/util/virnvme.c
>> +++ b/src/util/virnvme.c
>> @@ -290,10 +290,7 @@ virNVMeDeviceCreatePCIDevice(const virNVMeDevice *nvme)
>>   {
>>       g_autoptr(virPCIDevice) pci = NULL;
>> -    if (!(pci = virPCIDeviceNew(nvme->address.domain,
>> -                                nvme->address.bus,
>> -                                nvme->address.slot,
>> -                                nvme->address.function)))
>> +    if (!(pci = virPCIDeviceNew(&nvme->address)))
>>           return NULL;
>>       /* NVMe devices must be bound to vfio */
>> diff --git a/src/util/virpci.c b/src/util/virpci.c
>> index 5f50f92abb..5a91553b5f 100644
>> --- a/src/util/virpci.c
>> +++ b/src/util/virpci.c
>> @@ -475,24 +475,24 @@ virPCIDeviceIterDevices(virPCIDeviceIterPredicate predicate,
>>           return -1;
>>       while ((ret = virDirRead(dir, &entry, PCI_SYSFS "devices")) > 0) {
>> -        unsigned int domain, bus, slot, function;
>>           g_autoptr(virPCIDevice) check = NULL;
>> +        virPCIDeviceAddress devAddr;
>>           char *tmp;
>>           /* expected format: <domain>:<bus>:<slot>.<function> */
>>           if (/* domain */
>> -            virStrToLong_ui(entry->d_name, &tmp, 16, &domain) < 0 || *tmp != ':' ||
>> +            virStrToLong_ui(entry->d_name, &tmp, 16, &devAddr.domain) < 0 || *tmp != ':' ||
>>               /* bus */
>> -            virStrToLong_ui(tmp + 1, &tmp, 16, &bus) < 0 || *tmp != ':' ||
>> +            virStrToLong_ui(tmp + 1, &tmp, 16, &devAddr.bus) < 0 || *tmp != ':' ||
>>               /* slot */
>> -            virStrToLong_ui(tmp + 1, &tmp, 16, &slot) < 0 || *tmp != '.' ||
>> +            virStrToLong_ui(tmp + 1, &tmp, 16, &devAddr.slot) < 0 || *tmp != '.' ||
>>               /* function */
>> -            virStrToLong_ui(tmp + 1, NULL, 16, &function) < 0) {
>> +            virStrToLong_ui(tmp + 1, NULL, 16, &devAddr.function) < 0) {
>>               VIR_WARN("Unusual entry in " PCI_SYSFS "devices: %s", entry->d_name);
> 
> 
> Isn't there a utility function that does this?
> 
> 
>>               continue;
>>           }
>> -        check = virPCIDeviceNew(domain, bus, slot, function);
>> +        check = virPCIDeviceNew(&devAddr);
>>           if (!check) {
>>               ret = -1;
>>               break;
>> @@ -767,10 +767,7 @@ virPCIDeviceIsParent(virPCIDevicePtr dev, virPCIDevicePtr check, void *data)
>>        */
>>       if (dev->address.bus > secondary && dev->address.bus <= subordinate) {
>>           if (*best == NULL) {
>> -            *best = virPCIDeviceNew(check->address.domain,
>> -                                    check->address.bus,
>> -                                    check->address.slot,
>> -                                    check->address.function);
>> +            *best = virPCIDeviceNew(&check->address);
>>               if (*best == NULL) {
>>                   ret = -1;
>>                   goto cleanup;
>> @@ -790,10 +787,7 @@ virPCIDeviceIsParent(virPCIDevicePtr dev, virPCIDevicePtr check, void *data)
>>               if (secondary > best_secondary) {
>>                   virPCIDeviceFree(*best);
>> -                *best = virPCIDeviceNew(check->address.domain,
>> -                                        check->address.bus,
>> -                                        check->address.slot,
>> -                                        check->address.function);
>> +                *best = virPCIDeviceNew(&check->address);
>>                   if (*best == NULL) {
>>                       ret = -1;
>>                       goto cleanup;
>> @@ -1455,10 +1449,7 @@ virPCIDeviceAddressAsString(const virPCIDeviceAddress *addr)
>>   }
>>   virPCIDevicePtr
>> -virPCIDeviceNew(unsigned int domain,
>> -                unsigned int bus,
>> -                unsigned int slot,
>> -                unsigned int function)
>> +virPCIDeviceNew(const virPCIDeviceAddress *address)
>>   {
>>       g_autoptr(virPCIDevice) dev = NULL;
>>       g_autofree char *vendor = NULL;
>> @@ -1466,10 +1457,7 @@ virPCIDeviceNew(unsigned int domain,
>>       dev = g_new0(virPCIDevice, 1);
>> -    dev->address.domain = domain;
>> -    dev->address.bus = bus;
>> -    dev->address.slot = slot;
>> -    dev->address.function = function;
>> +    virPCIDeviceAddressCopy(&dev->address, address);
>>       dev->name = virPCIDeviceAddressAsString(&dev->address);
>> @@ -1896,8 +1884,7 @@ virPCIDeviceGetIOMMUGroupAddOne(virPCIDeviceAddressPtr newDevAddr, void *opaque)
>>       virPCIDeviceListPtr groupList = opaque;
>>       g_autoptr(virPCIDevice) newDev = NULL;
>> -    if (!(newDev = virPCIDeviceNew(newDevAddr->domain, newDevAddr->bus,
>> -                                   newDevAddr->slot, newDevAddr->function)))
>> +    if (!(newDev = virPCIDeviceNew(newDevAddr)))
>>           return -1;
>>       if (virPCIDeviceListAdd(groupList, newDev) < 0)
>> @@ -2028,10 +2015,7 @@ virPCIDeviceAddressGetIOMMUGroupDev(const virPCIDeviceAddress *devAddr)
>>   {
>>       g_autoptr(virPCIDevice) pci = NULL;
>> -    if (!(pci = virPCIDeviceNew(devAddr->domain,
>> -                                devAddr->bus,
>> -                                devAddr->slot,
>> -                                devAddr->function)))
>> +    if (!(pci = virPCIDeviceNew(devAddr)))
>>           return NULL;
>>       return virPCIDeviceGetIOMMUGroupDev(pci);
>> diff --git a/src/util/virpci.h b/src/util/virpci.h
>> index 43828b0a8a..d4451848c1 100644
>> --- a/src/util/virpci.h
>> +++ b/src/util/virpci.h
>> @@ -113,10 +113,7 @@ struct _virPCIEDeviceInfo {
>>       virPCIELink *link_sta;   /* Actually negotiated capabilities */
>>   };
>> -virPCIDevicePtr virPCIDeviceNew(unsigned int domain,
>> -                                unsigned int bus,
>> -                                unsigned int slot,
>> -                                unsigned int function);
>> +virPCIDevicePtr virPCIDeviceNew(const virPCIDeviceAddress *address);
>>   virPCIDevicePtr virPCIDeviceCopy(virPCIDevicePtr dev);
>>   void virPCIDeviceFree(virPCIDevicePtr dev);
>>   const char *virPCIDeviceGetName(virPCIDevicePtr dev);
>> diff --git a/tests/virhostdevtest.c b/tests/virhostdevtest.c
>> index 385db0849a..40c14a5281 100644
>> --- a/tests/virhostdevtest.c
>> +++ b/tests/virhostdevtest.c
>> @@ -138,7 +138,8 @@ myInit(void)
>>       }
>>       for (i = 0; i < nhostdevs; i++) {
>> -        if (!(dev[i] = virPCIDeviceNew(0, 0, i + 1, 0)))
>> +        virDomainHostdevSubsys subsys = hostdevs[i]->source.subsys;
>> +        if (!(dev[i] = virPCIDeviceNew(&subsys.u.pci.addr)))
>>               goto cleanup;
>>           virPCIDeviceSetStubDriver(dev[i], VIR_PCI_STUB_DRIVER_VFIO);
>> diff --git a/tests/virpcitest.c b/tests/virpcitest.c
>> index 6f064a3f85..6a4bd5518d 100644
>> --- a/tests/virpcitest.c
>> +++ b/tests/virpcitest.c
>> @@ -60,8 +60,9 @@ testVirPCIDeviceNew(const void *opaque G_GNUC_UNUSED)
>>       int ret = -1;
>>       virPCIDevicePtr dev;
>>       const char *devName;
>> +    virPCIDeviceAddress devAddr = {.domain = 0, .bus = 0, .slot = 0, .function = 0};
>> -    if (!(dev = virPCIDeviceNew(0, 0, 0, 0)))
>> +    if (!(dev = virPCIDeviceNew(&devAddr)))
>>           goto cleanup;
>>       devName = virPCIDeviceGetName(dev);
>> @@ -103,7 +104,9 @@ testVirPCIDeviceDetach(const void *opaque G_GNUC_UNUSED)
>>       CHECK_LIST_COUNT(inactiveDevs, 0);
>>       for (i = 0; i < nDev; i++) {
>> -        if (!(dev[i] = virPCIDeviceNew(0, 0, i + 1, 0)))
>> +        virPCIDeviceAddress devAddr = {.domain = 0, .bus = 0,
>> +                                       .slot = i + 1, .function = 0};
>> +        if (!(dev[i] = virPCIDeviceNew(&devAddr)))
>>               goto cleanup;
>>           virPCIDeviceSetStubDriver(dev[i], VIR_PCI_STUB_DRIVER_VFIO);
>> @@ -144,7 +147,9 @@ testVirPCIDeviceReset(const void *opaque G_GNUC_UNUSED)
>>       CHECK_LIST_COUNT(inactiveDevs, 0);
>>       for (i = 0; i < nDev; i++) {
>> -        if (!(dev[i] = virPCIDeviceNew(0, 0, i + 1, 0)))
>> +        virPCIDeviceAddress devAddr = {.domain = 0, .bus = 0,
>> +                                       .slot = i + 1, .function = 0};
>> +        if (!(dev[i] = virPCIDeviceNew(&devAddr)))
>>               goto cleanup;
>>           virPCIDeviceSetStubDriver(dev[i], VIR_PCI_STUB_DRIVER_VFIO);
>> @@ -176,7 +181,9 @@ testVirPCIDeviceReattach(const void *opaque G_GNUC_UNUSED)
>>           goto cleanup;
>>       for (i = 0; i < nDev; i++) {
>> -        if (!(dev[i] = virPCIDeviceNew(0, 0, i + 1, 0)))
>> +        virPCIDeviceAddress devAddr = {.domain = 0, .bus = 0,
>> +                                       .slot = i + 1, .function = 0};
>> +        if (!(dev[i] = virPCIDeviceNew(&devAddr)))
>>               goto cleanup;
>>           if (virPCIDeviceListAdd(inactiveDevs, dev[i]) < 0) {
>> @@ -222,8 +229,10 @@ testVirPCIDeviceIsAssignable(const void *opaque)
>>       const struct testPCIDevData *data = opaque;
>>       int ret = -1;
>>       virPCIDevicePtr dev;
>> +    virPCIDeviceAddress devAddr = {.domain = data->domain, .bus = data->bus,
>> +                                   .slot = data->slot, .function = data->function};
>> -    if (!(dev = virPCIDeviceNew(data->domain, data->bus, data->slot, data->function)))
>> +    if (!(dev = virPCIDeviceNew(&devAddr)))
>>           return -1;
>>       if (virPCIDeviceIsAssignable(dev, true))
>> @@ -239,8 +248,10 @@ testVirPCIDeviceDetachSingle(const void *opaque)
>>       const struct testPCIDevData *data = opaque;
>>       int ret = -1;
>>       virPCIDevicePtr dev;
>> +    virPCIDeviceAddress devAddr = {.domain = data->domain, .bus = data->bus,
>> +                                   .slot = data->slot, .function = data->function};
>> -    dev = virPCIDeviceNew(data->domain, data->bus, data->slot, data->function);
>> +    dev = virPCIDeviceNew(&devAddr);
>>       if (!dev)
>>           goto cleanup;
>> @@ -261,8 +272,10 @@ testVirPCIDeviceReattachSingle(const void *opaque)
>>       const struct testPCIDevData *data = opaque;
>>       int ret = -1;
>>       virPCIDevicePtr dev;
>> +    virPCIDeviceAddress devAddr = {.domain = data->domain, .bus = data->bus,
>> +                                   .slot = data->slot, .function = data->function};
>> -    dev = virPCIDeviceNew(data->domain, data->bus, data->slot, data->function);
>> +    dev = virPCIDeviceNew(&devAddr);
>>       if (!dev)
>>           goto cleanup;
>> @@ -285,8 +298,10 @@ testVirPCIDeviceCheckDriverTest(const void *opaque)
>>       const struct testPCIDevData *data = opaque;
>>       int ret = -1;
>>       virPCIDevicePtr dev;
>> +    virPCIDeviceAddress devAddr = {.domain = data->domain, .bus = data->bus,
>> +                                   .slot = data->slot, .function = data->function};
>> -    dev = virPCIDeviceNew(data->domain, data->bus, data->slot, data->function);
>> +    dev = virPCIDeviceNew(&devAddr);
>>       if (!dev)
>>           goto cleanup;
>> @@ -305,8 +320,10 @@ testVirPCIDeviceUnbind(const void *opaque)
>>       const struct testPCIDevData *data = opaque;
>>       int ret = -1;
>>       virPCIDevicePtr dev;
>> +    virPCIDeviceAddress devAddr = {.domain = data->domain, .bus = data->bus,
>> +                                   .slot = data->slot, .function = data->function};
>> -    dev = virPCIDeviceNew(data->domain, data->bus, data->slot, data->function);
>> +    dev = virPCIDeviceNew(&devAddr);
>>       if (!dev)
>>           goto cleanup;
> 
> 




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