def run(self):
if len(self.argv) < 3:
print(IOMMUCommand.__doc__)
return
op = self.argv[2]
t = time.time()
try:
_iommu = iommu.IOMMU(self.cs)
except iommu.IOMMUError as msg:
print(msg)
return
if ('list' == op):
self.logger.log("[CHIPSEC] Enumerating supported IOMMU engines..")
self.logger.log(iommu.IOMMU_ENGINES.keys())
elif ('config' == op or 'status' == op or 'enable' == op
or 'disable' == op or 'pt' == op):
if len(self.argv) > 3:
if self.argv[3] in iommu.IOMMU_ENGINES.keys():
_iommu_engines = [self.argv[3]]
else:
self.logger.error(
"IOMMU name {} not recognized. Run 'iommu list' command for supported IOMMU names"
.format(self.argv[3]))
return
else:
_iommu_engines = iommu.IOMMU_ENGINES.keys()
if 'config' == op:
try:
_acpi = acpi.ACPI(self.cs)
except acpi.AcpiRuntimeError as msg:
print(msg)
return
if _acpi.is_ACPI_table_present(acpi.ACPI_TABLE_SIG_DMAR):
self.logger.log(
"[CHIPSEC] Dumping contents of DMAR ACPI table..\n")
_acpi.dump_ACPI_table(acpi.ACPI_TABLE_SIG_DMAR)
else:
self.logger.log(
"[CHIPSEC] Couldn't find DMAR ACPI table\n")
for e in _iommu_engines:
if 'config' == op: _iommu.dump_IOMMU_configuration(e)
elif 'pt' == op: _iommu.dump_IOMMU_page_tables(e)
elif 'status' == op: _iommu.dump_IOMMU_status(e)
elif 'enable' == op: _iommu.set_IOMMU_Translation(e, 1)
elif 'disable' == op: _iommu.set_IOMMU_Translation(e, 0)
else:
print(IOMMUCommand.__doc__)
return
self.logger.log(
"[CHIPSEC] (iommu) time elapsed {:.3f}".format(time.time() - t))
def run(self):
if len(self.argv) < 3:
print IOMMUCommand.__doc__
return
op = self.argv[2]
t = time.time()
try:
_iommu = iommu.IOMMU(self.cs)
except IOMMUError, msg:
print msg
return
def iommu_engine(self, cmd):
try:
_iommu = iommu.IOMMU(self.cs)
except iommu.IOMMUError as msg:
print(msg)
return
if self.engine:
if self.engine in iommu.IOMMU_ENGINES.keys():
_iommu_engines = [self.engine]
else:
self.logger.error(
"IOMMU name {} not recognized. Run 'iommu list' command for supported IOMMU names"
.format(self.engine))
return
else:
_iommu_engines = iommu.IOMMU_ENGINES.keys()
if 'config' == cmd:
try:
_acpi = acpi.ACPI(self.cs)
except acpi.AcpiRuntimeError as msg:
print(msg)
return
if _acpi.is_ACPI_table_present(acpi.ACPI_TABLE_SIG_DMAR):
self.logger.log(
"[CHIPSEC] Dumping contents of DMAR ACPI table..\n")
_acpi.dump_ACPI_table(acpi.ACPI_TABLE_SIG_DMAR)
else:
self.logger.log("[CHIPSEC] Couldn't find DMAR ACPI table\n")
for e in _iommu_engines:
if (cmd == 'config'): _iommu.dump_IOMMU_configuration(e)
elif (cmd == 'pt'): _iommu.dump_IOMMU_page_tables(e)
elif (cmd == 'status'): _iommu.dump_IOMMU_status(e)
elif (cmd == 'enable'): _iommu.set_IOMMU_Translation(e, 1)
elif (cmd == 'disable'): _iommu.set_IOMMU_Translation(e, 0)