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

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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@xxxxxxxxx>
---
  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!


+
+    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@xxxxxxxxxx>


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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