virsh: Unify code for <address type='drive'

DISK_ADDR_TYPE_SATA, DISK_ADDR_TYPE_IDE and DISK_ADDR_TYPE_SCSI are
driven by basically identical data types. Unify them. Note that
changes to 'str2DiskAddress' are deliberately lazy as it will be
refactored later.

Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Daniel Henrique Barboza <danielhb413@gmail.com>
This commit is contained in:
Peter Krempa 2020-11-19 12:13:59 +01:00
parent 464629223e
commit 565d922b5b

View File

@ -323,18 +323,12 @@ struct PCIAddress {
bool multifunction;
};
struct SCSIAddress {
struct DriveAddress {
unsigned int controller;
unsigned int bus;
unsigned long long unit;
};
struct IDEAddress {
unsigned int controller;
unsigned int bus;
unsigned int unit;
};
struct CCWAddress {
unsigned int cssid;
unsigned int ssid;
@ -346,21 +340,13 @@ struct USBAddress {
unsigned int port;
};
struct SATAAddress {
unsigned int controller;
unsigned int bus;
unsigned long long unit;
};
struct DiskAddress {
int type;
union {
struct PCIAddress pci;
struct SCSIAddress scsi;
struct IDEAddress ide;
struct DriveAddress drive;
struct CCWAddress ccw;
struct USBAddress usb;
struct SATAAddress sata;
} addr;
};
@ -393,7 +379,7 @@ static int str2PCIAddress(const char *str, struct PCIAddress *pciAddr)
return 0;
}
static int str2SCSIAddress(const char *str, struct SCSIAddress *scsiAddr)
static int str2DriveAddress(const char *str, struct DriveAddress *scsiAddr)
{
char *controller, *bus, *unit;
@ -418,31 +404,6 @@ static int str2SCSIAddress(const char *str, struct SCSIAddress *scsiAddr)
return 0;
}
static int str2IDEAddress(const char *str, struct IDEAddress *ideAddr)
{
char *controller, *bus, *unit;
if (!ideAddr)
return -1;
if (!str)
return -1;
controller = (char *)str;
if (virStrToLong_uip(controller, &bus, 10, &ideAddr->controller) != 0)
return -1;
bus++;
if (virStrToLong_uip(bus, &unit, 10, &ideAddr->bus) != 0)
return -1;
unit++;
if (virStrToLong_uip(unit, NULL, 10, &ideAddr->unit) != 0)
return -1;
return 0;
}
static int str2CCWAddress(const char *str, struct CCWAddress *ccwAddr)
{
char *cssid, *ssid, *devno;
@ -489,31 +450,6 @@ static int str2USBAddress(const char *str, struct USBAddress *usbAddr)
return 0;
}
static int str2SATAAddress(const char *str, struct SATAAddress *sataAddr)
{
char *controller, *bus, *unit;
if (!sataAddr)
return -1;
if (!str)
return -1;
controller = (char *)str;
if (virStrToLong_uip(controller, &bus, 10, &sataAddr->controller) != 0)
return -1;
bus++;
if (virStrToLong_uip(bus, &unit, 10, &sataAddr->bus) != 0)
return -1;
unit++;
if (virStrToLong_ullp(unit, NULL, 10, &sataAddr->unit) != 0)
return -1;
return 0;
}
/* pci address pci:0000.00.0x0a.0 (domain:bus:slot:function)
* ide disk address: ide:00.00.0 (controller:bus:unit)
* scsi disk address: scsi:00.00.0 (controller:bus:unit)
@ -542,10 +478,10 @@ static int str2DiskAddress(const char *str, struct DiskAddress *diskAddr, bool m
return str2PCIAddress(addr + 1, &diskAddr->addr.pci);
} else if (STREQLEN(type, "scsi", addr - type)) {
diskAddr->type = DISK_ADDR_TYPE_SCSI;
return str2SCSIAddress(addr + 1, &diskAddr->addr.scsi);
return str2DriveAddress(addr + 1, &diskAddr->addr.drive);
} else if (STREQLEN(type, "ide", addr - type)) {
diskAddr->type = DISK_ADDR_TYPE_IDE;
return str2IDEAddress(addr + 1, &diskAddr->addr.ide);
return str2DriveAddress(addr + 1, &diskAddr->addr.drive);
} else if (STREQLEN(type, "ccw", addr - type)) {
diskAddr->type = DISK_ADDR_TYPE_CCW;
return str2CCWAddress(addr + 1, &diskAddr->addr.ccw);
@ -554,7 +490,7 @@ static int str2DiskAddress(const char *str, struct DiskAddress *diskAddr, bool m
return str2USBAddress(addr + 1, &diskAddr->addr.usb);
} else if (STREQLEN(type, "sata", addr - type)) {
diskAddr->type = DISK_ADDR_TYPE_SATA;
return str2SATAAddress(addr + 1, &diskAddr->addr.sata);
return str2DriveAddress(addr + 1, &diskAddr->addr.drive);
}
return -1;
@ -580,20 +516,14 @@ virshAddressFormat(virBufferPtr buf,
virBufferAddLit(buf, "/>\n");
break;
case DISK_ADDR_TYPE_SATA:
case DISK_ADDR_TYPE_IDE:
case DISK_ADDR_TYPE_SCSI:
virBufferAsprintf(buf,
"<address type='drive' controller='%u' bus='%u' unit='%llu'/>\n",
addr->addr.scsi.controller,
addr->addr.scsi.bus,
addr->addr.scsi.unit);
break;
case DISK_ADDR_TYPE_IDE:
virBufferAsprintf(buf,
"<address type='drive' controller='%u' bus='%u' unit='%u'/>\n",
addr->addr.ide.controller,
addr->addr.ide.bus,
addr->addr.ide.unit);
addr->addr.drive.controller,
addr->addr.drive.bus,
addr->addr.drive.unit);
break;
case DISK_ADDR_TYPE_CCW:
@ -611,14 +541,6 @@ virshAddressFormat(virBufferPtr buf,
addr->addr.usb.port);
break;
case DISK_ADDR_TYPE_SATA:
virBufferAsprintf(buf,
"<address type='drive' controller='%u' bus='%u' unit='%llu'/>\n",
addr->addr.sata.controller,
addr->addr.sata.bus,
addr->addr.sata.unit);
break;
case DISK_ADDR_TYPE_INVALID:
default:
return;