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https://gitlab.com/libvirt/libvirt.git
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virsh: Refactor str2DiskAddress
Rewrite and rename the address parser. As a fallout the use of the removed 'str2PCIAddress' is replaced by virshAddressParse and virshAddressFormat. Signed-off-by: Peter Krempa <pkrempa@redhat.com> Reviewed-by: Daniel Henrique Barboza <danielhb413@gmail.com>
This commit is contained in:
Peter Krempa
parent
565d922b5b
commit
67bf91e1c3
@ -306,15 +306,26 @@ static const vshCmdOptDef opts_attach_disk[] = {
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};
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enum diskAddrType {
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DISK_ADDR_TYPE_INVALID,
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DISK_ADDR_TYPE_PCI,
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DISK_ADDR_TYPE_SCSI,
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DISK_ADDR_TYPE_IDE,
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DISK_ADDR_TYPE_CCW,
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DISK_ADDR_TYPE_USB,
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DISK_ADDR_TYPE_SATA,
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DISK_ADDR_TYPE_LAST
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};
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VIR_ENUM_DECL(diskAddr);
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VIR_ENUM_IMPL(diskAddr,
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DISK_ADDR_TYPE_LAST,
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"pci",
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"scsi",
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"ide",
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"ccw",
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"usb",
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"sata");
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struct PCIAddress {
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unsigned int domain;
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unsigned int bus;
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@ -350,105 +361,6 @@ struct DiskAddress {
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} addr;
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};
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static int str2PCIAddress(const char *str, struct PCIAddress *pciAddr)
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{
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char *domain, *bus, *slot, *function;
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if (!pciAddr)
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return -1;
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if (!str)
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return -1;
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domain = (char *)str;
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if (virStrToLong_uip(domain, &bus, 16, &pciAddr->domain) != 0)
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return -1;
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bus++;
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if (virStrToLong_uip(bus, &slot, 16, &pciAddr->bus) != 0)
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return -1;
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slot++;
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if (virStrToLong_uip(slot, &function, 16, &pciAddr->slot) != 0)
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return -1;
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function++;
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if (virStrToLong_uip(function, NULL, 16, &pciAddr->function) != 0)
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return -1;
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return 0;
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}
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static int str2DriveAddress(const char *str, struct DriveAddress *scsiAddr)
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{
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char *controller, *bus, *unit;
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if (!scsiAddr)
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return -1;
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if (!str)
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return -1;
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controller = (char *)str;
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if (virStrToLong_uip(controller, &bus, 10, &scsiAddr->controller) != 0)
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return -1;
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bus++;
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if (virStrToLong_uip(bus, &unit, 10, &scsiAddr->bus) != 0)
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return -1;
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unit++;
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if (virStrToLong_ullp(unit, NULL, 10, &scsiAddr->unit) != 0)
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return -1;
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return 0;
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}
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static int str2CCWAddress(const char *str, struct CCWAddress *ccwAddr)
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{
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char *cssid, *ssid, *devno;
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if (!ccwAddr)
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return -1;
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if (!str)
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return -1;
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cssid = (char *)str;
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if (virStrToLong_uip(cssid, &ssid, 16, &ccwAddr->cssid) != 0)
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return -1;
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ssid++;
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if (virStrToLong_uip(ssid, &devno, 16, &ccwAddr->ssid) != 0)
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return -1;
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devno++;
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if (virStrToLong_uip(devno, NULL, 16, &ccwAddr->devno) != 0)
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return -1;
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return 0;
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}
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static int str2USBAddress(const char *str, struct USBAddress *usbAddr)
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{
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char *bus, *port;
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if (!usbAddr)
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return -1;
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if (!str)
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return -1;
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bus = (char *)str;
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if (virStrToLong_uip(bus, &port, 10, &usbAddr->bus) != 0)
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return -1;
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port++;
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if (virStrToLong_uip(port, NULL, 10, &usbAddr->port) != 0)
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return -1;
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return 0;
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}
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/* pci address pci:0000.00.0x0a.0 (domain:bus:slot:function)
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* ide disk address: ide:00.00.0 (controller:bus:unit)
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@ -457,43 +369,60 @@ static int str2USBAddress(const char *str, struct USBAddress *usbAddr)
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* usb disk address: usb:00.00 (bus:port)
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* sata disk address: sata:00.00.0 (controller:bus:unit)
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*/
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static int str2DiskAddress(const char *str, struct DiskAddress *diskAddr, bool multifunction)
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static int
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virshAddressParse(const char *str,
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bool multifunction,
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struct DiskAddress *addr)
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{
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char *type, *addr;
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g_autofree char *type = g_strdup(str);
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char *a = strchr(type, ':');
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if (!diskAddr)
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return -1;
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if (!str)
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return -1;
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type = (char *)str;
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addr = strchr(type, ':');
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if (!addr)
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return -1;
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if (STREQLEN(type, "pci", addr - type)) {
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diskAddr->type = DISK_ADDR_TYPE_PCI;
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diskAddr->addr.pci.multifunction = multifunction;
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return str2PCIAddress(addr + 1, &diskAddr->addr.pci);
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} else if (STREQLEN(type, "scsi", addr - type)) {
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diskAddr->type = DISK_ADDR_TYPE_SCSI;
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return str2DriveAddress(addr + 1, &diskAddr->addr.drive);
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} else if (STREQLEN(type, "ide", addr - type)) {
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diskAddr->type = DISK_ADDR_TYPE_IDE;
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return str2DriveAddress(addr + 1, &diskAddr->addr.drive);
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} else if (STREQLEN(type, "ccw", addr - type)) {
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diskAddr->type = DISK_ADDR_TYPE_CCW;
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return str2CCWAddress(addr + 1, &diskAddr->addr.ccw);
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} else if (STREQLEN(type, "usb", addr - type)) {
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diskAddr->type = DISK_ADDR_TYPE_USB;
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return str2USBAddress(addr + 1, &diskAddr->addr.usb);
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} else if (STREQLEN(type, "sata", addr - type)) {
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diskAddr->type = DISK_ADDR_TYPE_SATA;
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return str2DriveAddress(addr + 1, &diskAddr->addr.drive);
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*a = '\0';
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addr->type = diskAddrTypeFromString(type);
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switch ((enum diskAddrType) addr->type) {
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case DISK_ADDR_TYPE_PCI:
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addr->addr.pci.multifunction = multifunction;
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if (virStrToLong_uip(++a, &a, 16, &addr->addr.pci.domain) < 0 ||
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virStrToLong_uip(++a, &a, 16, &addr->addr.pci.bus) < 0 ||
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virStrToLong_uip(++a, &a, 16, &addr->addr.pci.slot) < 0 ||
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virStrToLong_uip(++a, &a, 16, &addr->addr.pci.function) < 0)
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return -1;
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break;
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case DISK_ADDR_TYPE_SATA:
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case DISK_ADDR_TYPE_IDE:
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case DISK_ADDR_TYPE_SCSI:
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if (virStrToLong_uip(++a, &a, 10, &addr->addr.drive.controller) < 0 ||
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virStrToLong_uip(++a, &a, 10, &addr->addr.drive.bus) < 0 ||
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virStrToLong_ullp(++a, &a, 10, &addr->addr.drive.unit) < 0)
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return -1;
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break;
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case DISK_ADDR_TYPE_CCW:
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if (virStrToLong_uip(++a, &a, 16, &addr->addr.ccw.cssid) < 0 ||
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virStrToLong_uip(++a, &a, 16, &addr->addr.ccw.ssid) < 0 ||
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virStrToLong_uip(++a, &a, 16, &addr->addr.ccw.devno) < 0)
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return -1;
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break;
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case DISK_ADDR_TYPE_USB:
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if (virStrToLong_uip(++a, &a, 10, &addr->addr.usb.bus) < 0 ||
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virStrToLong_uip(++a, &a, 10, &addr->addr.usb.port) < 0)
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return -1;
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break;
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case DISK_ADDR_TYPE_LAST:
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default:
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return -1;
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}
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return -1;
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return 0;
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}
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@ -541,7 +470,7 @@ virshAddressFormat(virBufferPtr buf,
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addr->addr.usb.port);
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break;
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case DISK_ADDR_TYPE_INVALID:
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case DISK_ADDR_TYPE_LAST:
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default:
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return;
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}
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@ -557,7 +486,7 @@ cmdAttachDiskFormatAddress(vshControl *ctl,
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{
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struct DiskAddress diskAddr;
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if (str2DiskAddress(straddr, &diskAddr, multifunction) != 0) {
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if (virshAddressParse(straddr, multifunction, &diskAddr) < 0) {
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vshError(ctl, _("Invalid address."));
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return -1;
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}
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@ -962,20 +891,18 @@ cmdAttachInterface(vshControl *ctl, const vshCmd *cmd)
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break;
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case VIR_DOMAIN_NET_TYPE_HOSTDEV:
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{
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struct PCIAddress pciAddr = {0, 0, 0, 0, false};
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g_autofree char *pciaddrstr = g_strdup_printf("pci:%s", source);
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struct DiskAddress addr = { 0 };
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if (str2PCIAddress(source, &pciAddr) < 0) {
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vshError(ctl, _("cannot parse pci address '%s' for network "
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"interface"), source);
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if (virshAddressParse(pciaddrstr, false, &addr) < 0) {
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vshError(ctl, _("cannot parse pci address '%s' for network interface"),
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source);
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goto cleanup;
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}
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virBufferAddLit(&buf, "<source>\n");
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virBufferAdjustIndent(&buf, 2);
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virBufferAsprintf(&buf, "<address type='pci' domain='0x%04x'"
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" bus='0x%02x' slot='0x%02x' function='0x%d'/>\n",
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pciAddr.domain, pciAddr.bus,
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pciAddr.slot, pciAddr.function);
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virshAddressFormat(&buf, &addr);
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virBufferAdjustIndent(&buf, -2);
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virBufferAddLit(&buf, "</source>\n");
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break;
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