def test_create_sq_with_invalid_prp_offset(nvme0):
prp = PRP(4096)
cq = IOCQ(nvme0, 1, 10, prp)
#Spec NVM-Express-1_4-2019.06.10-Ratified
#Figure 153: In both cases, the PRP Entry shall have an offset of 0h.
prp.offset = 0
IOSQ(nvme0, 1, 10, prp, cqid=1).delete()
prp.offset = 2048
with pytest.warns(UserWarning, match="ERROR status: 00/13"):
IOSQ(nvme0, 1, 10, prp, cqid=1).delete()
prp.offset = 2050
with pytest.warns(UserWarning, match="ERROR status: 00/13"):
IOSQ(nvme0, 1, 10, prp, cqid=1).delete()
prp.offset = 4095
with pytest.warns(UserWarning, match="ERROR status: 00/13"):
IOSQ(nvme0, 2, 10, prp, cqid=1).delete()
prp.offset = 255
with pytest.warns(UserWarning, match="ERROR status: 00/13"):
IOSQ(nvme0, 2, 10, prp, cqid=1).delete()
cq.delete()
def test_read_invalid_prp_address_offset(nvme0, cq, sq):
# first cmd, invalid prp offset
buf = PRP(4096, ptype=0xbeef, pvalue=100)
first_byte = buf[0]
logging.info(buf.dump(16))
cmd = SQE(1, 1)
buf.offset = 1
cmd.prp1 = buf
cmd[10] = 1
cmd[11] = 0
cmd[12] = 1
sq[0] = cmd
sq.tail = 1
time.sleep(0.1)
status = (cq[0][3] >> 17) & 0x7ff
if status == 0:
# write success, check data
cmd = SQE(2, 1)
buf = PRP(4096)
cmd.prp1 = buf
cmd[10] = 1
cmd[11] = 0
cmd[12] = 1
sq[1] = cmd
sq.tail = 2
time.sleep(0.1)
status = (cq[1][3] >> 17) & 0x7ff
assert status == 0
logging.info(buf.dump(16))
assert first_byte == buf[0]
else:
assert status == 0x0013 # invalid namespace or format
def test_create_sq_invalid_queue_address_offset(nvme0):
cq = IOCQ(nvme0, 3, 10, PRP(4096))
queue = PRP(4096)
queue.offset = 1
with pytest.warns(UserWarning, match="ERROR status: 00/13"):
IOSQ(nvme0, 1, 10, queue, cqid=3)
cq.delete()
def test_invalid_offset_prp_in_list(nvme0):
cq = IOCQ(nvme0, 1, 10, PRP())
sq = IOSQ(nvme0, 1, 10, PRP(), cqid=1)
buf = PRP(ptype=32, pvalue=0xffffffff)
buf.offset = 0x10
prp_list = PRPList()
prp_list.offset = 0x20
for i in range(8):
tmp = PRP(ptype=32, pvalue=0xffffffff)
tmp.offset = 0x10
prp_list[i] = tmp
logging.info(prp_list.dump(64))
print(buf.dump(32))
for i in range(8):
print(prp_list[i].dump(32))
cmd = SQE(2, 1)
cmd.prp1 = buf
cmd.prp2 = prp_list
cmd[12] = 0x4000001f
sq[0] = cmd
logging.info(sq[0])
sq.tail = 1
while CQE(cq[0]).p == 0:
pass
cq.head = 1
logging.info(cq[0])
logging.info(hex(cq[0][3] >> 17))
print(buf.dump(32))
for i in range(8):
print(prp_list[i].dump(32))
status = (cq[0][3] >> 17) & 0x3ff
assert status == 0x0013 or status == 0
sq.delete()
cq.delete()
def test_create_cq_invalid_queue_address_offset(nvme0):
queue = PRP(4096)
queue.offset = 1
with pytest.warns(UserWarning, match="ERROR status: 00/13"):
IOCQ(nvme0, 1, 10, queue)