igb: Introduce qtest for igb device

This change is derived from qtest for e1000e device.

Signed-off-by: Akihiko Odaki <akihiko.odaki@daynix.com>
Acked-by: Thomas Huth <thuth@redhat.com>
[Jason: make qtest work for win32 (only hotplug)]
Signed-off-by: Jason Wang <jasowang@redhat.com>
This commit is contained in:
Akihiko Odaki 2023-03-10 14:11:25 +08:00 committed by Jason Wang
parent 0caa7effcc
commit 45cb69bbd6
6 changed files with 450 additions and 0 deletions

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@ -2253,6 +2253,8 @@ igb
M: Akihiko Odaki <akihiko.odaki@daynix.com>
S: Maintained
F: hw/net/igb*
F: tests/qtest/igb-test.c
F: tests/qtest/libqos/igb.c
eepro100
M: Stefan Weil <sw@weilnetz.de>

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@ -90,6 +90,11 @@ const generic_fuzz_config predefined_configs[] = {
.args = "-M q35 -nodefaults "
"-device e1000e,netdev=net0 -netdev user,id=net0",
.objects = "e1000e",
},{
.name = "igb",
.args = "-M q35 -nodefaults "
"-device igb,netdev=net0 -netdev user,id=net0",
.objects = "igb",
},{
.name = "cirrus-vga",
.args = "-machine q35 -nodefaults -device cirrus-vga",

256
tests/qtest/igb-test.c Normal file
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@ -0,0 +1,256 @@
/*
* QTest testcase for igb NIC
*
* Copyright (c) 2022-2023 Red Hat, Inc.
* Copyright (c) 2015 Ravello Systems LTD (http://ravellosystems.com)
* Developed by Daynix Computing LTD (http://www.daynix.com)
*
* Authors:
* Akihiko Odaki <akihiko.odaki@daynix.com>
* Dmitry Fleytman <dmitry@daynix.com>
* Leonid Bloch <leonid@daynix.com>
* Yan Vugenfirer <yan@daynix.com>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, see <http://www.gnu.org/licenses/>.
*/
#include "qemu/osdep.h"
#include "libqtest-single.h"
#include "libqos/pci-pc.h"
#include "net/eth.h"
#include "qemu/sockets.h"
#include "qemu/iov.h"
#include "qemu/module.h"
#include "qemu/bitops.h"
#include "libqos/libqos-malloc.h"
#include "libqos/e1000e.h"
#include "hw/net/igb_regs.h"
#ifndef _WIN32
static const struct eth_header packet = {
.h_dest = E1000E_ADDRESS,
.h_source = E1000E_ADDRESS,
};
static void igb_send_verify(QE1000E *d, int *test_sockets, QGuestAllocator *alloc)
{
union e1000_adv_tx_desc descr;
char buffer[64];
int ret;
uint32_t recv_len;
/* Prepare test data buffer */
uint64_t data = guest_alloc(alloc, sizeof(buffer));
memwrite(data, &packet, sizeof(packet));
/* Prepare TX descriptor */
memset(&descr, 0, sizeof(descr));
descr.read.buffer_addr = cpu_to_le64(data);
descr.read.cmd_type_len = cpu_to_le32(E1000_TXD_CMD_RS |
E1000_TXD_CMD_EOP |
E1000_TXD_DTYP_D |
sizeof(buffer));
/* Put descriptor to the ring */
e1000e_tx_ring_push(d, &descr);
/* Wait for TX WB interrupt */
e1000e_wait_isr(d, E1000E_TX0_MSG_ID);
/* Check DD bit */
g_assert_cmphex(le32_to_cpu(descr.wb.status) & E1000_TXD_STAT_DD, ==,
E1000_TXD_STAT_DD);
/* Check data sent to the backend */
ret = recv(test_sockets[0], &recv_len, sizeof(recv_len), 0);
g_assert_cmpint(ret, == , sizeof(recv_len));
ret = recv(test_sockets[0], buffer, sizeof(buffer), 0);
g_assert_cmpint(ret, ==, sizeof(buffer));
g_assert_false(memcmp(buffer, &packet, sizeof(packet)));
/* Free test data buffer */
guest_free(alloc, data);
}
static void igb_receive_verify(QE1000E *d, int *test_sockets, QGuestAllocator *alloc)
{
union e1000_adv_rx_desc descr;
struct eth_header test_iov = packet;
int len = htonl(sizeof(packet));
struct iovec iov[] = {
{
.iov_base = &len,
.iov_len = sizeof(len),
},{
.iov_base = &test_iov,
.iov_len = sizeof(packet),
},
};
char buffer[64];
int ret;
/* Send a dummy packet to device's socket*/
ret = iov_send(test_sockets[0], iov, 2, 0, sizeof(len) + sizeof(packet));
g_assert_cmpint(ret, == , sizeof(packet) + sizeof(len));
/* Prepare test data buffer */
uint64_t data = guest_alloc(alloc, sizeof(buffer));
/* Prepare RX descriptor */
memset(&descr, 0, sizeof(descr));
descr.read.pkt_addr = cpu_to_le64(data);
/* Put descriptor to the ring */
e1000e_rx_ring_push(d, &descr);
/* Wait for TX WB interrupt */
e1000e_wait_isr(d, E1000E_RX0_MSG_ID);
/* Check DD bit */
g_assert_cmphex(le32_to_cpu(descr.wb.upper.status_error) &
E1000_RXD_STAT_DD, ==, E1000_RXD_STAT_DD);
/* Check data sent to the backend */
memread(data, buffer, sizeof(buffer));
g_assert_false(memcmp(buffer, &packet, sizeof(packet)));
/* Free test data buffer */
guest_free(alloc, data);
}
static void test_e1000e_init(void *obj, void *data, QGuestAllocator * alloc)
{
/* init does nothing */
}
static void test_igb_tx(void *obj, void *data, QGuestAllocator * alloc)
{
QE1000E_PCI *e1000e = obj;
QE1000E *d = &e1000e->e1000e;
QOSGraphObject *e_object = obj;
QPCIDevice *dev = e_object->get_driver(e_object, "pci-device");
/* FIXME: add spapr support */
if (qpci_check_buggy_msi(dev)) {
return;
}
igb_send_verify(d, data, alloc);
}
static void test_igb_rx(void *obj, void *data, QGuestAllocator * alloc)
{
QE1000E_PCI *e1000e = obj;
QE1000E *d = &e1000e->e1000e;
QOSGraphObject *e_object = obj;
QPCIDevice *dev = e_object->get_driver(e_object, "pci-device");
/* FIXME: add spapr support */
if (qpci_check_buggy_msi(dev)) {
return;
}
igb_receive_verify(d, data, alloc);
}
static void test_igb_multiple_transfers(void *obj, void *data,
QGuestAllocator *alloc)
{
static const long iterations = 4 * 1024;
long i;
QE1000E_PCI *e1000e = obj;
QE1000E *d = &e1000e->e1000e;
QOSGraphObject *e_object = obj;
QPCIDevice *dev = e_object->get_driver(e_object, "pci-device");
/* FIXME: add spapr support */
if (qpci_check_buggy_msi(dev)) {
return;
}
for (i = 0; i < iterations; i++) {
igb_send_verify(d, data, alloc);
igb_receive_verify(d, data, alloc);
}
}
static void data_test_clear(void *sockets)
{
int *test_sockets = sockets;
close(test_sockets[0]);
qos_invalidate_command_line();
close(test_sockets[1]);
g_free(test_sockets);
}
static void *data_test_init(GString *cmd_line, void *arg)
{
int *test_sockets = g_new(int, 2);
int ret = socketpair(PF_UNIX, SOCK_STREAM, 0, test_sockets);
g_assert_cmpint(ret, != , -1);
g_string_append_printf(cmd_line, " -netdev socket,fd=%d,id=hs0 ",
test_sockets[1]);
g_test_queue_destroy(data_test_clear, test_sockets);
return test_sockets;
}
#endif
static void *data_test_init_no_socket(GString *cmd_line, void *arg)
{
g_string_append(cmd_line, " -netdev hubport,hubid=0,id=hs0 ");
return arg;
}
static void test_igb_hotplug(void *obj, void *data, QGuestAllocator * alloc)
{
QTestState *qts = global_qtest; /* TODO: get rid of global_qtest here */
QE1000E_PCI *dev = obj;
if (dev->pci_dev.bus->not_hotpluggable) {
g_test_skip("pci bus does not support hotplug");
return;
}
qtest_qmp_device_add(qts, "igb", "igb_net", "{'addr': '0x06'}");
qpci_unplug_acpi_device_test(qts, "igb_net", 0x06);
}
static void register_igb_test(void)
{
QOSGraphTestOptions opts = { 0 };
#ifndef _WIN32
opts.before = data_test_init,
qos_add_test("init", "igb", test_e1000e_init, &opts);
qos_add_test("tx", "igb", test_igb_tx, &opts);
qos_add_test("rx", "igb", test_igb_rx, &opts);
qos_add_test("multiple_transfers", "igb",
test_igb_multiple_transfers, &opts);
#endif
opts.before = data_test_init_no_socket;
qos_add_test("hotplug", "igb", test_igb_hotplug, &opts);
}
libqos_init(register_igb_test);

185
tests/qtest/libqos/igb.c Normal file
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@ -0,0 +1,185 @@
/*
* libqos driver framework
*
* Copyright (c) 2022-2023 Red Hat, Inc.
* Copyright (c) 2018 Emanuele Giuseppe Esposito <e.emanuelegiuseppe@gmail.com>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License version 2.1 as published by the Free Software Foundation.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, see <http://www.gnu.org/licenses/>
*/
#include "qemu/osdep.h"
#include "hw/net/igb_regs.h"
#include "hw/net/mii.h"
#include "hw/pci/pci_ids.h"
#include "../libqtest.h"
#include "pci-pc.h"
#include "qemu/sockets.h"
#include "qemu/iov.h"
#include "qemu/module.h"
#include "qemu/bitops.h"
#include "libqos-malloc.h"
#include "qgraph.h"
#include "e1000e.h"
#define IGB_IVAR_TEST_CFG \
((E1000E_RX0_MSG_ID | E1000_IVAR_VALID) << (igb_ivar_entry_rx(0) * 8) | \
((E1000E_TX0_MSG_ID | E1000_IVAR_VALID) << (igb_ivar_entry_tx(0) * 8)))
#define E1000E_RING_LEN (0x1000)
static void e1000e_foreach_callback(QPCIDevice *dev, int devfn, void *data)
{
QPCIDevice *res = data;
memcpy(res, dev, sizeof(QPCIDevice));
g_free(dev);
}
static void e1000e_pci_destructor(QOSGraphObject *obj)
{
QE1000E_PCI *epci = (QE1000E_PCI *) obj;
qpci_iounmap(&epci->pci_dev, epci->mac_regs);
qpci_msix_disable(&epci->pci_dev);
}
static void igb_pci_start_hw(QOSGraphObject *obj)
{
static const uint8_t address[] = E1000E_ADDRESS;
QE1000E_PCI *d = (QE1000E_PCI *) obj;
uint32_t val;
/* Enable the device */
qpci_device_enable(&d->pci_dev);
/* Reset the device */
val = e1000e_macreg_read(&d->e1000e, E1000_CTRL);
e1000e_macreg_write(&d->e1000e, E1000_CTRL, val | E1000_CTRL_RST | E1000_CTRL_SLU);
/* Setup link */
e1000e_macreg_write(&d->e1000e, E1000_MDIC,
MII_BMCR_AUTOEN | MII_BMCR_ANRESTART |
(MII_BMCR << E1000_MDIC_REG_SHIFT) |
(1 << E1000_MDIC_PHY_SHIFT) |
E1000_MDIC_OP_WRITE);
qtest_clock_step(d->pci_dev.bus->qts, 900000000);
/* Enable and configure MSI-X */
qpci_msix_enable(&d->pci_dev);
e1000e_macreg_write(&d->e1000e, E1000_IVAR0, IGB_IVAR_TEST_CFG);
/* Check the device link status */
val = e1000e_macreg_read(&d->e1000e, E1000_STATUS);
g_assert_cmphex(val & E1000_STATUS_LU, ==, E1000_STATUS_LU);
/* Initialize TX/RX logic */
e1000e_macreg_write(&d->e1000e, E1000_RCTL, 0);
e1000e_macreg_write(&d->e1000e, E1000_TCTL, 0);
e1000e_macreg_write(&d->e1000e, E1000_TDBAL(0),
(uint32_t) d->e1000e.tx_ring);
e1000e_macreg_write(&d->e1000e, E1000_TDBAH(0),
(uint32_t) (d->e1000e.tx_ring >> 32));
e1000e_macreg_write(&d->e1000e, E1000_TDLEN(0), E1000E_RING_LEN);
e1000e_macreg_write(&d->e1000e, E1000_TDT(0), 0);
e1000e_macreg_write(&d->e1000e, E1000_TDH(0), 0);
/* Enable transmit */
e1000e_macreg_write(&d->e1000e, E1000_TCTL, E1000_TCTL_EN);
e1000e_macreg_write(&d->e1000e, E1000_RDBAL(0),
(uint32_t)d->e1000e.rx_ring);
e1000e_macreg_write(&d->e1000e, E1000_RDBAH(0),
(uint32_t)(d->e1000e.rx_ring >> 32));
e1000e_macreg_write(&d->e1000e, E1000_RDLEN(0), E1000E_RING_LEN);
e1000e_macreg_write(&d->e1000e, E1000_RDT(0), 0);
e1000e_macreg_write(&d->e1000e, E1000_RDH(0), 0);
e1000e_macreg_write(&d->e1000e, E1000_RA,
le32_to_cpu(*(uint32_t *)address));
e1000e_macreg_write(&d->e1000e, E1000_RA + 4,
E1000_RAH_AV | E1000_RAH_POOL_1 |
le16_to_cpu(*(uint16_t *)(address + 4)));
/* Enable receive */
e1000e_macreg_write(&d->e1000e, E1000_RFCTL, E1000_RFCTL_EXTEN);
e1000e_macreg_write(&d->e1000e, E1000_RCTL, E1000_RCTL_EN);
/* Enable all interrupts */
e1000e_macreg_write(&d->e1000e, E1000_IMS, 0xFFFFFFFF);
e1000e_macreg_write(&d->e1000e, E1000_EIMS, 0xFFFFFFFF);
}
static void *igb_pci_get_driver(void *obj, const char *interface)
{
QE1000E_PCI *epci = obj;
if (!g_strcmp0(interface, "igb-if")) {
return &epci->e1000e;
}
/* implicit contains */
if (!g_strcmp0(interface, "pci-device")) {
return &epci->pci_dev;
}
fprintf(stderr, "%s not present in igb\n", interface);
g_assert_not_reached();
}
static void *igb_pci_create(void *pci_bus, QGuestAllocator *alloc, void *addr)
{
QE1000E_PCI *d = g_new0(QE1000E_PCI, 1);
QPCIBus *bus = pci_bus;
QPCIAddress *address = addr;
qpci_device_foreach(bus, address->vendor_id, address->device_id,
e1000e_foreach_callback, &d->pci_dev);
/* Map BAR0 (mac registers) */
d->mac_regs = qpci_iomap(&d->pci_dev, 0, NULL);
/* Allocate and setup TX ring */
d->e1000e.tx_ring = guest_alloc(alloc, E1000E_RING_LEN);
g_assert(d->e1000e.tx_ring != 0);
/* Allocate and setup RX ring */
d->e1000e.rx_ring = guest_alloc(alloc, E1000E_RING_LEN);
g_assert(d->e1000e.rx_ring != 0);
d->obj.get_driver = igb_pci_get_driver;
d->obj.start_hw = igb_pci_start_hw;
d->obj.destructor = e1000e_pci_destructor;
return &d->obj;
}
static void igb_register_nodes(void)
{
QPCIAddress addr = {
.vendor_id = PCI_VENDOR_ID_INTEL,
.device_id = E1000_DEV_ID_82576,
};
/*
* FIXME: every test using this node needs to setup a -netdev socket,id=hs0
* otherwise QEMU is not going to start
*/
QOSGraphEdgeOptions opts = {
.extra_device_opts = "netdev=hs0",
};
add_qpci_address(&opts, &addr);
qos_node_create_driver("igb", igb_pci_create);
qos_node_consumes("igb", "pci-bus", &opts);
}
libqos_init(igb_register_nodes);

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@ -30,6 +30,7 @@ libqos_srcs = files(
'i2c.c',
'i2c-imx.c',
'i2c-omap.c',
'igb.c',
'sdhci.c',
'tpci200.c',
'virtio.c',

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@ -259,6 +259,7 @@ qos_test_ss.add(
'virtio-scsi-test.c',
'virtio-iommu-test.c',
'vmxnet3-test.c',
'igb-test.c',
)
if config_all_devices.has_key('CONFIG_VIRTIO_SERIAL')