Adding upstream version 1:10.0.2+ds.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
This commit is contained in:
parent
bf2768bd0f
commit
ea34ddeea6
37998 changed files with 9510514 additions and 0 deletions
239
subprojects/libvfio-user/test/py/test_request_errors.py
Normal file
239
subprojects/libvfio-user/test/py/test_request_errors.py
Normal file
|
@ -0,0 +1,239 @@
|
|||
#
|
||||
# Copyright (c) 2021 Nutanix Inc. All rights reserved.
|
||||
#
|
||||
# Authors: John Levon <john.levon@nutanix.com>
|
||||
#
|
||||
# Redistribution and use in source and binary forms, with or without
|
||||
# modification, are permitted provided that the following conditions are met:
|
||||
# * Redistributions of source code must retain the above copyright
|
||||
# notice, this list of conditions and the following disclaimer.
|
||||
# * Redistributions in binary form must reproduce the above copyright
|
||||
# notice, this list of conditions and the following disclaimer in the
|
||||
# documentation and/or other materials provided with the distribution.
|
||||
# * Neither the name of Nutanix nor the names of its contributors may be
|
||||
# used to endorse or promote products derived from this software without
|
||||
# specific prior written permission.
|
||||
#
|
||||
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
|
||||
# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
||||
# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
||||
# ARE DISCLAIMED. IN NO EVENT SHALL <COPYRIGHT HOLDER> BE LIABLE FOR ANY
|
||||
# DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
|
||||
# (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
|
||||
# SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
|
||||
# CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
||||
# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
||||
# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH
|
||||
# DAMAGE.
|
||||
#
|
||||
|
||||
from unittest.mock import patch
|
||||
from libvfio_user import *
|
||||
import errno
|
||||
import os
|
||||
|
||||
ctx = None
|
||||
sock = None
|
||||
argsz = len(vfio_irq_set())
|
||||
|
||||
|
||||
def setup_function(function):
|
||||
global ctx, sock
|
||||
|
||||
ctx = vfu_create_ctx(flags=LIBVFIO_USER_FLAG_ATTACH_NB)
|
||||
assert ctx is not None
|
||||
|
||||
ret = vfu_pci_init(ctx)
|
||||
assert ret == 0
|
||||
|
||||
ret = vfu_setup_device_nr_irqs(ctx, VFU_DEV_MSIX_IRQ, 2048)
|
||||
assert ret == 0
|
||||
|
||||
vfu_setup_device_quiesce_cb(ctx)
|
||||
|
||||
ret = vfu_setup_device_reset_cb(ctx)
|
||||
assert ret == 0
|
||||
|
||||
ret = vfu_setup_region(ctx, index=VFU_PCI_DEV_MIGR_REGION_IDX, size=0x2000,
|
||||
flags=VFU_REGION_FLAG_RW)
|
||||
assert ret == 0
|
||||
|
||||
ret = vfu_setup_device_migration_callbacks(ctx, offset=0x4000)
|
||||
assert ret == 0
|
||||
|
||||
ret = vfu_realize_ctx(ctx)
|
||||
assert ret == 0
|
||||
|
||||
sock = connect_client(ctx)
|
||||
|
||||
|
||||
def teardown_function(function):
|
||||
global ctx
|
||||
vfu_destroy_ctx(ctx)
|
||||
|
||||
|
||||
def test_too_small():
|
||||
# struct vfio_user_header
|
||||
hdr = struct.pack("HHIII", 0xbad1, VFIO_USER_DEVICE_SET_IRQS,
|
||||
SIZEOF_VFIO_USER_HEADER - 1, VFIO_USER_F_TYPE_COMMAND, 0)
|
||||
|
||||
sock.send(hdr)
|
||||
vfu_run_ctx(ctx)
|
||||
get_reply(sock, expect=errno.EINVAL)
|
||||
|
||||
|
||||
def test_too_large():
|
||||
# struct vfio_user_header
|
||||
hdr = struct.pack("HHIII", 0xbad1, VFIO_USER_DEVICE_SET_IRQS,
|
||||
SERVER_MAX_MSG_SIZE + 1, VFIO_USER_F_TYPE_COMMAND, 0)
|
||||
|
||||
sock.send(hdr)
|
||||
vfu_run_ctx(ctx)
|
||||
get_reply(sock, expect=errno.EINVAL)
|
||||
|
||||
|
||||
def test_unsolicited_reply():
|
||||
# struct vfio_user_header
|
||||
hdr = struct.pack("HHIII", 0xbad2, VFIO_USER_DEVICE_SET_IRQS,
|
||||
SIZEOF_VFIO_USER_HEADER, VFIO_USER_F_TYPE_REPLY, 0)
|
||||
|
||||
sock.send(hdr)
|
||||
vfu_run_ctx(ctx)
|
||||
get_reply(sock, expect=errno.EINVAL)
|
||||
|
||||
|
||||
def test_bad_command():
|
||||
hdr = vfio_user_header(VFIO_USER_MAX, size=1)
|
||||
|
||||
sock.send(hdr + b'\0')
|
||||
vfu_run_ctx(ctx)
|
||||
get_reply(sock, expect=errno.EINVAL)
|
||||
|
||||
|
||||
def test_no_payload():
|
||||
hdr = vfio_user_header(VFIO_USER_DEVICE_SET_IRQS, size=0)
|
||||
sock.send(hdr)
|
||||
vfu_run_ctx(ctx)
|
||||
get_reply(sock, expect=errno.EINVAL)
|
||||
|
||||
|
||||
def test_bad_request_closes_fds():
|
||||
payload = vfio_irq_set(argsz=argsz, flags=VFIO_IRQ_SET_ACTION_TRIGGER |
|
||||
VFIO_IRQ_SET_DATA_BOOL, index=VFU_DEV_MSIX_IRQ,
|
||||
start=0, count=1)
|
||||
|
||||
fd1 = eventfd()
|
||||
fd2 = eventfd()
|
||||
|
||||
hdr = vfio_user_header(VFIO_USER_DEVICE_SET_IRQS, size=len(payload))
|
||||
sock.sendmsg([hdr + payload], [(socket.SOL_SOCKET, socket.SCM_RIGHTS,
|
||||
struct.pack("II", fd1, fd2))])
|
||||
vfu_run_ctx(ctx)
|
||||
get_reply(sock, expect=errno.EINVAL)
|
||||
|
||||
#
|
||||
# It's a little cheesy, but this is just ensuring no fd's remain open past
|
||||
# the one we just allocated; i.e. free_msg() freed the fds it got.
|
||||
#
|
||||
test_fd = eventfd()
|
||||
assert test_fd == fd2 + 1
|
||||
os.close(test_fd)
|
||||
|
||||
os.close(fd1)
|
||||
os.close(fd2)
|
||||
|
||||
|
||||
@patch('libvfio_user.reset_cb')
|
||||
@patch('libvfio_user.quiesce_cb', return_value=0)
|
||||
def test_disconnected_socket(mock_quiesce, mock_reset):
|
||||
"""Tests that calling vfu_run_ctx on a disconnected socket results in
|
||||
resetting the context and returning ENOTCONN."""
|
||||
|
||||
global ctx, sock
|
||||
sock.close()
|
||||
|
||||
vfu_run_ctx(ctx, errno.ENOTCONN)
|
||||
|
||||
# quiesce callback gets called during reset
|
||||
# FIXME how can we ensure that quiesce is called before reset?
|
||||
mock_quiesce.assert_called_with(ctx)
|
||||
mock_reset.assert_called_with(ctx, VFU_RESET_LOST_CONN)
|
||||
|
||||
|
||||
@patch('libvfio_user.quiesce_cb', side_effect=fail_with_errno(errno.EBUSY))
|
||||
def test_disconnected_socket_quiesce_busy(mock_quiesce):
|
||||
"""Tests that calling vfu_run_ctx on a disconnected socket results in
|
||||
resetting the context which returns EBUSY."""
|
||||
|
||||
global ctx, sock
|
||||
sock.close()
|
||||
|
||||
vfu_run_ctx(ctx, errno.EBUSY)
|
||||
|
||||
# quiesce callback must be called during reset
|
||||
mock_quiesce.assert_called_once_with(ctx)
|
||||
|
||||
# device hasn't finished quiescing
|
||||
for _ in range(0, 3):
|
||||
vfu_run_ctx(ctx, errno.EBUSY)
|
||||
|
||||
# device quiesced
|
||||
ret = vfu_device_quiesced(ctx, 0)
|
||||
assert ret == 0
|
||||
|
||||
vfu_run_ctx(ctx, errno.ENOTCONN)
|
||||
|
||||
# no further calls to the quiesce callback should have been made
|
||||
mock_quiesce.assert_called_once_with(ctx)
|
||||
|
||||
|
||||
@patch('libvfio_user.reset_cb')
|
||||
@patch('libvfio_user.quiesce_cb', side_effect=fail_with_errno(errno.EBUSY))
|
||||
@patch('libvfio_user.migr_get_pending_bytes_cb')
|
||||
def test_reply_fail_quiesce_busy(mock_get_pending_bytes, mock_quiesce,
|
||||
mock_reset):
|
||||
"""Tests failing to reply and the quiesce callback returning EBUSY."""
|
||||
|
||||
global ctx, sock
|
||||
|
||||
def get_pending_bytes_side_effect(ctx):
|
||||
sock.close()
|
||||
return 0
|
||||
mock_get_pending_bytes.side_effect = get_pending_bytes_side_effect
|
||||
|
||||
# read the get_pending_bytes register, it should close the socket causing
|
||||
# the reply to fail
|
||||
read_region(ctx, sock, VFU_PCI_DEV_MIGR_REGION_IDX,
|
||||
vfio_user_migration_info.pending_bytes.offset,
|
||||
vfio_user_migration_info.pending_bytes.size, rsp=False,
|
||||
busy=True)
|
||||
|
||||
# vfu_run_ctx will try to reset the context and to do that it needs to
|
||||
# quiesce the device first
|
||||
mock_quiesce.assert_called_once_with(ctx)
|
||||
|
||||
# vfu_run_ctx will be returning EBUSY and nothing should have happened
|
||||
# until the device quiesces
|
||||
for _ in range(0, 3):
|
||||
vfu_run_ctx(ctx, errno.EBUSY)
|
||||
mock_quiesce.assert_called_once_with(ctx)
|
||||
mock_reset.assert_not_called()
|
||||
|
||||
ret = vfu_device_quiesced(ctx, 0)
|
||||
assert ret == 0
|
||||
|
||||
# the device quiesced, reset should should happen now
|
||||
mock_quiesce.assert_called_once_with(ctx)
|
||||
mock_reset.assert_called_once_with(ctx, VFU_RESET_LOST_CONN)
|
||||
|
||||
try:
|
||||
get_reply(sock)
|
||||
except OSError as e:
|
||||
assert e.errno == errno.EBADF
|
||||
else:
|
||||
assert False
|
||||
|
||||
vfu_run_ctx(ctx, errno.ENOTCONN)
|
||||
|
||||
|
||||
# ex: set tabstop=4 shiftwidth=4 softtabstop=4 expandtab: #
|
Loading…
Add table
Add a link
Reference in a new issue