From 45cb69bbd6cb51d856a6d845b717b513f556ba82 Mon Sep 17 00:00:00 2001 From: Akihiko Odaki Date: Fri, 10 Mar 2023 14:11:25 +0800 Subject: [PATCH] igb: Introduce qtest for igb device This change is derived from qtest for e1000e device. Signed-off-by: Akihiko Odaki Acked-by: Thomas Huth [Jason: make qtest work for win32 (only hotplug)] Signed-off-by: Jason Wang --- MAINTAINERS | 2 + tests/qtest/fuzz/generic_fuzz_configs.h | 5 + tests/qtest/igb-test.c | 256 ++++++++++++++++++++++++ tests/qtest/libqos/igb.c | 185 +++++++++++++++++ tests/qtest/libqos/meson.build | 1 + tests/qtest/meson.build | 1 + 6 files changed, 450 insertions(+) create mode 100644 tests/qtest/igb-test.c create mode 100644 tests/qtest/libqos/igb.c diff --git a/MAINTAINERS b/MAINTAINERS index c4980a488c..501dbb2a37 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -2253,6 +2253,8 @@ igb M: Akihiko Odaki S: Maintained F: hw/net/igb* +F: tests/qtest/igb-test.c +F: tests/qtest/libqos/igb.c eepro100 M: Stefan Weil diff --git a/tests/qtest/fuzz/generic_fuzz_configs.h b/tests/qtest/fuzz/generic_fuzz_configs.h index a825b78c14..50689da653 100644 --- a/tests/qtest/fuzz/generic_fuzz_configs.h +++ b/tests/qtest/fuzz/generic_fuzz_configs.h @@ -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", diff --git a/tests/qtest/igb-test.c b/tests/qtest/igb-test.c new file mode 100644 index 0000000000..3d397ea697 --- /dev/null +++ b/tests/qtest/igb-test.c @@ -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 + * Dmitry Fleytman + * Leonid Bloch + * Yan Vugenfirer + * + * 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 . + */ + + +#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); diff --git a/tests/qtest/libqos/igb.c b/tests/qtest/libqos/igb.c new file mode 100644 index 0000000000..12fb531bf0 --- /dev/null +++ b/tests/qtest/libqos/igb.c @@ -0,0 +1,185 @@ +/* + * libqos driver framework + * + * Copyright (c) 2022-2023 Red Hat, Inc. + * Copyright (c) 2018 Emanuele Giuseppe Esposito + * + * 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 + */ + +#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); diff --git a/tests/qtest/libqos/meson.build b/tests/qtest/libqos/meson.build index 32f028872c..cc209a8de5 100644 --- a/tests/qtest/libqos/meson.build +++ b/tests/qtest/libqos/meson.build @@ -30,6 +30,7 @@ libqos_srcs = files( 'i2c.c', 'i2c-imx.c', 'i2c-omap.c', + 'igb.c', 'sdhci.c', 'tpci200.c', 'virtio.c', diff --git a/tests/qtest/meson.build b/tests/qtest/meson.build index 62eecf2edf..c9292b64fb 100644 --- a/tests/qtest/meson.build +++ b/tests/qtest/meson.build @@ -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') -- 2.39.5