def test_power_on_off(nvme0):
def poweron():
logging.info("poweron")
pass
def poweroff():
logging.info("poweroff")
pass
subsystem = d.Subsystem(nvme0, poweron, poweroff)
subsystem = d.Subsystem(nvme0)
subsystem.poweroff()
subsystem.poweron()
nvme0.reset()
def test_quarch_dirty_power_cycle_single(nvme0, poweron=None, poweroff=None):
region_end = 256*1000*1000 # 1GB
qdepth = min(1024, 1+(nvme0.cap&0xffff))
# get the unsafe shutdown count
def power_cycle_count():
buf = d.Buffer(4096)
nvme0.getlogpage(2, buf, 512).waitdone()
return buf.data(115, 112)
# run the test one by one
subsystem = d.Subsystem(nvme0, poweron, poweroff)
nvme0n1 = d.Namespace(nvme0, 1, region_end)
assert True == nvme0n1.verify_enable(True)
orig_unsafe_count = power_cycle_count()
logging.info("power cycle count: %d" % orig_unsafe_count)
# 128K random write
cmdlog_list = [None]*1000
with nvme0n1.ioworker(io_size=256,
lba_random=True,
read_percentage=0,
region_end=256*1000*1000,
time=30,
qdepth=qdepth,
output_cmdlog_list=cmdlog_list):
# sudden power loss before the ioworker end
time.sleep(10)
subsystem.poweroff()
# power on and reset controller
time.sleep(5)
subsystem.poweron()
nvme0.reset()
# verify data in cmdlog_list
logging.info(cmdlog_list[-10:])
read_buf = d.Buffer(256*512)
qpair = d.Qpair(nvme0, 10)
for cmd in cmdlog_list:
slba = cmd[0]
nlba = cmd[1]
op = cmd[2]
if nlba and op==1:
def read_cb(cdw0, status1):
nonlocal slba
if status1>>1:
logging.info("slba 0x%x, status 0x%x" % (slba, status1>>1))
#logging.info("verify slba 0x%x, nlba %d" % (slba, nlba))
nvme0n1.read(qpair, read_buf, slba, nlba, cb=read_cb).waitdone()
# re-write to clear CRC mismatch
nvme0n1.write(qpair, read_buf, slba, nlba, cb=read_cb).waitdone()
qpair.delete()
nvme0n1.close()
# verify unsafe shutdown count
unsafe_count = power_cycle_count()
logging.info("power cycle count: %d" % unsafe_count)
assert unsafe_count == orig_unsafe_count+1
def test_reset_time(pcie):
def nvme_init(nvme0):
logging.info("user defined nvme init")
nvme0[0x14] = 0
while not (nvme0[0x1c] & 0x1) == 0:
pass
logging.info(time.time())
# 3. set admin queue registers
nvme0.init_adminq()
logging.info(time.time())
# 5. enable cc.en
nvme0[0x14] = 0x00460001
# 6. wait csts.rdy to 1
while not (nvme0[0x1c] & 0x1) == 1:
pass
logging.info(time.time())
# 7. identify controller
nvme0.identify(d.Buffer(4096)).waitdone()
logging.info(time.time())
nvme0.setfeatures(0x7, cdw11=0x00ff00ff).waitdone()
nvme0.init_queues(nvme0.getfeatures(0x7).waitdone())
logging.info("1: nvme init")
logging.info(time.time())
nvme0 = d.Controller(pcie, nvme_init_func=nvme_init)
subsystem = d.Subsystem(nvme0)
qpair = d.Qpair(nvme0, 10)
qpair2 = d.Qpair(nvme0, 10)
qpair3 = d.Qpair(nvme0, 10)
qpair.delete()
qpair2.delete()
qpair3.delete()
logging.info("2: nvme reset")
logging.info(time.time())
nvme0.reset()
logging.info("3: power cycle")
subsystem.poweroff()
logging.info(time.time())
subsystem.poweron()
nvme0.reset()
def subsystem(nvme0):
ret = d.Subsystem(nvme0)
yield ret
del ret
def test_reset_within_ioworker(nvme0, repeat):
region_end = 256 * 1000 * 1000 # 1GB
qdepth = min(1024, 1 + (nvme0.cap & 0xffff))
# get the unsafe shutdown count
def power_cycle_count():
buf = d.Buffer(4096)
nvme0.getlogpage(2, buf, 512).waitdone()
return buf.data(115, 112)
# run the test one by one
subsystem = d.Subsystem(nvme0)
nvme0n1 = d.Namespace(nvme0, 1, region_end)
orig_unsafe_count = power_cycle_count()
logging.info("power cycle count: %d" % orig_unsafe_count)
# 128K random write
cmdlog_list = [None] * 1000
with nvme0n1.ioworker(io_size=256,
lba_random=True,
read_percentage=30,
region_end=region_end,
time=10,
qdepth=qdepth,
output_cmdlog_list=cmdlog_list):
# sudden power loss before the ioworker end
time.sleep(5)
nvme0.reset()
# verify data in cmdlog_list
time.sleep(5)
assert True == nvme0n1.verify_enable(True)
logging.info(cmdlog_list[-10:])
read_buf = d.Buffer(256 * 512)
qpair = d.Qpair(nvme0, 10)
for cmd in cmdlog_list:
slba = cmd[0]
nlba = cmd[1]
op = cmd[2]
if nlba:
def read_cb(cdw0, status1):
nonlocal _slba
if status1 >> 1:
logging.info("slba %d, 0x%x, _slba 0x%x, status 0x%x" % \
(slba, slba, _slba, status1>>1))
logging.debug("verify slba %d, nlba %d" % (slba, nlba))
_nlba = nlba // 16
for i in range(16):
_slba = slba + i * _nlba
nvme0n1.read(qpair, read_buf, _slba, _nlba,
cb=read_cb).waitdone()
# re-write to clear CRC mismatch
nvme0n1.write(qpair, read_buf, slba, nlba, cb=read_cb).waitdone()
qpair.delete()
nvme0n1.close()
# verify unsafe shutdown count
unsafe_count = power_cycle_count()
logging.info("power cycle count: %d" % unsafe_count)
assert unsafe_count == orig_unsafe_count
