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bhyve: command: refactor virBhyveProcessBuildBhyveCmd

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Reduce the complexity by isolating loop bodies in separate functions.

Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Signed-off-by: Ryan Moeller <ryan@iXsystems.com>
This commit is contained in:
Ryan Moeller 2020-02-24 01:46:20 -05:00 committed by Daniel P. Berrangé
parent f2357ba028
commit d0bd82754b
1 changed files with 67 additions and 48 deletions
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115
src/bhyve/bhyve_command.c
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@ -40,9 +40,9 @@
VIR_LOG_INIT("bhyve.bhyve_command");
static int
bhyveBuildNetArgStr(bhyveConnPtr driver,
const virDomainDef *def,
bhyveBuildNetArgStr(const virDomainDef *def,
virDomainNetDefPtr net,
bhyveConnPtr driver,
virCommandPtr cmd,
bool dryRun)
{
@ -307,6 +307,61 @@ bhyveBuildVirtIODiskArgStr(const virDomainDef *def G_GNUC_UNUSED,
return 0;
}
static int
bhyveBuildDiskArgStr(const virDomainDef *def,
virDomainDiskDefPtr disk,
virCommandPtr cmd)
{
switch (disk->bus) {
case VIR_DOMAIN_DISK_BUS_SATA:
/* Handled by bhyveBuildAHCIControllerArgStr() */
break;
case VIR_DOMAIN_DISK_BUS_VIRTIO:
if (bhyveBuildVirtIODiskArgStr(def, disk, cmd) < 0)
return -1;
break;
default:
virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
_("unsupported disk device"));
return -1;
}
return 0;
}
static int
bhyveBuildControllerArgStr(const virDomainDef *def,
virDomainControllerDefPtr controller,
bhyveConnPtr driver,
virCommandPtr cmd,
unsigned *nusbcontrollers)
{
switch (controller->type) {
case VIR_DOMAIN_CONTROLLER_TYPE_PCI:
if (controller->model != VIR_DOMAIN_CONTROLLER_MODEL_PCI_ROOT) {
virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
_("unsupported PCI controller model: "
"only PCI root supported"));
return -1;
}
break;
case VIR_DOMAIN_CONTROLLER_TYPE_SATA:
if (bhyveBuildAHCIControllerArgStr(def, controller, driver, cmd) < 0)
return -1;
break;
case VIR_DOMAIN_CONTROLLER_TYPE_USB:
if (++*nusbcontrollers > 1) {
virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
_("only single USB controller is supported"));
return -1;
}
if (bhyveBuildUSBControllerArgStr(def, controller, cmd) < 0)
return -1;
break;
}
return 0;
}
static int
bhyveBuildLPCArgStr(const virDomainDef *def G_GNUC_UNUSED,
virCommandPtr cmd)
@ -428,8 +483,8 @@ bhyveBuildGraphicsArgStr(const virDomainDef *def,
}
virCommandPtr
virBhyveProcessBuildBhyveCmd(bhyveConnPtr driver,
virDomainDefPtr def, bool dryRun)
virBhyveProcessBuildBhyveCmd(bhyveConnPtr driver, virDomainDefPtr def,
bool dryRun)
{
/*
* /usr/sbin/bhyve -c 2 -m 256 -AI -H -P \
@ -439,11 +494,10 @@ virBhyveProcessBuildBhyveCmd(bhyveConnPtr driver,
* -S 31,uart,stdio \
* vm0
*/
size_t i;
int nusbcontrollers = 0;
unsigned int nvcpus = virDomainDefGetVcpus(def);
virCommandPtr cmd = virCommandNew(BHYVE);
size_t i;
unsigned nusbcontrollers = 0;
unsigned nvcpus = virDomainDefGetVcpus(def);
/* CPUs */
virCommandAddArg(cmd, "-c");
@ -547,52 +601,17 @@ virBhyveProcessBuildBhyveCmd(bhyveConnPtr driver,
/* Devices */
for (i = 0; i < def->ncontrollers; i++) {
virDomainControllerDefPtr controller = def->controllers[i];
switch (controller->type) {
case VIR_DOMAIN_CONTROLLER_TYPE_PCI:
if (controller->model != VIR_DOMAIN_CONTROLLER_MODEL_PCI_ROOT) {
virReportError(VIR_ERR_CONFIG_UNSUPPORTED,
"%s", _("unsupported PCI controller model: only PCI root supported"));
goto error;
}
break;
case VIR_DOMAIN_CONTROLLER_TYPE_SATA:
if (bhyveBuildAHCIControllerArgStr(def, controller, driver, cmd) < 0)
goto error;
break;
case VIR_DOMAIN_CONTROLLER_TYPE_USB:
if (++nusbcontrollers > 1) {
virReportError(VIR_ERR_CONFIG_UNSUPPORTED,
"%s", _("only single USB controller is supported"));
goto error;
}
if (bhyveBuildUSBControllerArgStr(def, controller, cmd) < 0)
goto error;
break;
}
if (bhyveBuildControllerArgStr(def, def->controllers[i], driver, cmd,
&nusbcontrollers) < 0)
goto error;
}
for (i = 0; i < def->nnets; i++) {
virDomainNetDefPtr net = def->nets[i];
if (bhyveBuildNetArgStr(driver, def, net, cmd, dryRun) < 0)
if (bhyveBuildNetArgStr(def, def->nets[i], driver, cmd, dryRun) < 0)
goto error;
}
for (i = 0; i < def->ndisks; i++) {
virDomainDiskDefPtr disk = def->disks[i];
switch (disk->bus) {
case VIR_DOMAIN_DISK_BUS_SATA:
/* Handled by bhyveBuildAHCIControllerArgStr() */
break;
case VIR_DOMAIN_DISK_BUS_VIRTIO:
if (bhyveBuildVirtIODiskArgStr(def, disk, cmd) < 0)
goto error;
break;
default:
virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
_("unsupported disk device"));
if (bhyveBuildDiskArgStr(def, def->disks[i], cmd) < 0)
goto error;
}
}
if (def->ngraphics && def->nvideos) {