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src/xenxs: Refactor code parsing PCI config

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introduce function
   xenParseXMPCI(virConfPtr conf, ........);
which parses PCI config instead

Signed-off-by: Kiarie Kahurani <davidkiarie4@gmail.com>
This commit is contained in:
Kiarie Kahurani 2014-08-07 21:32:53 +03:00 committed by Jim Fehlig
parent b1948c525e
commit d8c6207039
1 changed files with 95 additions and 90 deletions
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185
src/xenxs/xen_xm.c
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@ -339,6 +339,99 @@ xenParseXMEventsActions(virConfPtr conf, virDomainDefPtr def)
}
static int
xenParseXMPCI(virConfPtr conf, virDomainDefPtr def)
{
virConfValuePtr list = virConfGetValue(conf, "pci");
virDomainHostdevDefPtr hostdev = NULL;
if (list && list->type == VIR_CONF_LIST) {
list = list->list;
while (list) {
char domain[5];
char bus[3];
char slot[3];
char func[2];
char *key, *nextkey;
int domainID;
int busID;
int slotID;
int funcID;
domain[0] = bus[0] = slot[0] = func[0] = '\0';
if ((list->type != VIR_CONF_STRING) || (list->str == NULL))
goto skippci;
/* pci=['0000:00:1b.0','0000:00:13.0'] */
if (!(key = list->str))
goto skippci;
if (!(nextkey = strchr(key, ':')))
goto skippci;
if (virStrncpy(domain, key, (nextkey - key), sizeof(domain)) == NULL) {
virReportError(VIR_ERR_INTERNAL_ERROR,
_("Domain %s too big for destination"), key);
goto skippci;
}
key = nextkey + 1;
if (!(nextkey = strchr(key, ':')))
goto skippci;
if (virStrncpy(bus, key, (nextkey - key), sizeof(bus)) == NULL) {
virReportError(VIR_ERR_INTERNAL_ERROR,
_("Bus %s too big for destination"), key);
goto skippci;
}
key = nextkey + 1;
if (!(nextkey = strchr(key, '.')))
goto skippci;
if (virStrncpy(slot, key, (nextkey - key), sizeof(slot)) == NULL) {
virReportError(VIR_ERR_INTERNAL_ERROR,
_("Slot %s too big for destination"), key);
goto skippci;
}
key = nextkey + 1;
if (strlen(key) != 1)
goto skippci;
if (virStrncpy(func, key, 1, sizeof(func)) == NULL) {
virReportError(VIR_ERR_INTERNAL_ERROR,
_("Function %s too big for destination"), key);
goto skippci;
}
if (virStrToLong_i(domain, NULL, 16, &domainID) < 0)
goto skippci;
if (virStrToLong_i(bus, NULL, 16, &busID) < 0)
goto skippci;
if (virStrToLong_i(slot, NULL, 16, &slotID) < 0)
goto skippci;
if (virStrToLong_i(func, NULL, 16, &funcID) < 0)
goto skippci;
if (!(hostdev = virDomainHostdevDefAlloc()))
return -1;
hostdev->managed = false;
hostdev->source.subsys.type = VIR_DOMAIN_HOSTDEV_SUBSYS_TYPE_PCI;
hostdev->source.subsys.u.pci.addr.domain = domainID;
hostdev->source.subsys.u.pci.addr.bus = busID;
hostdev->source.subsys.u.pci.addr.slot = slotID;
hostdev->source.subsys.u.pci.addr.function = funcID;
if (VIR_APPEND_ELEMENT(def->hostdevs, def->nhostdevs, hostdev) < 0) {
virDomainHostdevDefFree(hostdev);
return -1;
}
skippci:
list = list->next;
}
}
return 0;
}
#define MAX_VFB 1024
/*
@ -357,7 +450,6 @@ xenParseXM(virConfPtr conf, int xendConfigVersion,
virDomainDiskDefPtr disk = NULL;
virDomainNetDefPtr net = NULL;
virDomainGraphicsDefPtr graphics = NULL;
virDomainHostdevDefPtr hostdev = NULL;
size_t i;
const char *defaultMachine;
unsigned long count;
@ -841,95 +933,8 @@ xenParseXM(virConfPtr conf, int xendConfigVersion,
}
}
list = virConfGetValue(conf, "pci");
if (list && list->type == VIR_CONF_LIST) {
list = list->list;
while (list) {
char domain[5];
char bus[3];
char slot[3];
char func[2];
char *key, *nextkey;
int domainID;
int busID;
int slotID;
int funcID;
domain[0] = bus[0] = slot[0] = func[0] = '\0';
if ((list->type != VIR_CONF_STRING) || (list->str == NULL))
goto skippci;
/* pci=['0000:00:1b.0','0000:00:13.0'] */
if (!(key = list->str))
goto skippci;
if (!(nextkey = strchr(key, ':')))
goto skippci;
if (virStrncpy(domain, key, (nextkey - key), sizeof(domain)) == NULL) {
virReportError(VIR_ERR_INTERNAL_ERROR,
_("Domain %s too big for destination"), key);
goto skippci;
}
key = nextkey + 1;
if (!(nextkey = strchr(key, ':')))
goto skippci;
if (virStrncpy(bus, key, (nextkey - key), sizeof(bus)) == NULL) {
virReportError(VIR_ERR_INTERNAL_ERROR,
_("Bus %s too big for destination"), key);
goto skippci;
}
key = nextkey + 1;
if (!(nextkey = strchr(key, '.')))
goto skippci;
if (virStrncpy(slot, key, (nextkey - key), sizeof(slot)) == NULL) {
virReportError(VIR_ERR_INTERNAL_ERROR,
_("Slot %s too big for destination"), key);
goto skippci;
}
key = nextkey + 1;
if (strlen(key) != 1)
goto skippci;
if (virStrncpy(func, key, 1, sizeof(func)) == NULL) {
virReportError(VIR_ERR_INTERNAL_ERROR,
_("Function %s too big for destination"), key);
goto skippci;
}
if (virStrToLong_i(domain, NULL, 16, &domainID) < 0)
goto skippci;
if (virStrToLong_i(bus, NULL, 16, &busID) < 0)
goto skippci;
if (virStrToLong_i(slot, NULL, 16, &slotID) < 0)
goto skippci;
if (virStrToLong_i(func, NULL, 16, &funcID) < 0)
goto skippci;
if (!(hostdev = virDomainHostdevDefAlloc()))
goto cleanup;
hostdev->managed = false;
hostdev->source.subsys.type = VIR_DOMAIN_HOSTDEV_SUBSYS_TYPE_PCI;
hostdev->source.subsys.u.pci.addr.domain = domainID;
hostdev->source.subsys.u.pci.addr.bus = busID;
hostdev->source.subsys.u.pci.addr.slot = slotID;
hostdev->source.subsys.u.pci.addr.function = funcID;
if (VIR_APPEND_ELEMENT(def->hostdevs, def->nhostdevs, hostdev) < 0) {
virDomainHostdevDefFree(hostdev);
goto cleanup;
}
skippci:
list = list->next;
}
}
if (xenParseXMPCI(conf, def) < 0)
goto cleanup;
if (hvm) {
if (xenXMConfigGetString(conf, "usbdevice", &str, NULL) < 0)