2 * QTest testcase for e1000e NIC
4 * Copyright (c) 2015 Ravello Systems LTD (http://ravellosystems.com)
5 * Developed by Daynix Computing LTD (http://www.daynix.com)
12 * This library is free software; you can redistribute it and/or
13 * modify it under the terms of the GNU Lesser General Public
14 * License as published by the Free Software Foundation; either
15 * version 2 of the License, or (at your option) any later version.
17 * This library is distributed in the hope that it will be useful,
18 * but WITHOUT ANY WARRANTY; without even the implied warranty of
19 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
20 * Lesser General Public License for more details.
22 * You should have received a copy of the GNU Lesser General Public
23 * License along with this library; if not, see <http://www.gnu.org/licenses/>.
27 #include "qemu/osdep.h"
29 #include "qemu-common.h"
30 #include "libqos/pci-pc.h"
31 #include "qemu/sockets.h"
33 #include "qemu/bitops.h"
34 #include "libqos/malloc.h"
35 #include "libqos/malloc-pc.h"
36 #include "libqos/malloc-generic.h"
38 #define E1000E_IMS (0x00d0)
40 #define E1000E_STATUS (0x0008)
41 #define E1000E_STATUS_LU BIT(1)
42 #define E1000E_STATUS_ASDV1000 BIT(9)
44 #define E1000E_CTRL (0x0000)
45 #define E1000E_CTRL_RESET BIT(26)
47 #define E1000E_RCTL (0x0100)
48 #define E1000E_RCTL_EN BIT(1)
49 #define E1000E_RCTL_UPE BIT(3)
50 #define E1000E_RCTL_MPE BIT(4)
52 #define E1000E_RFCTL (0x5008)
53 #define E1000E_RFCTL_EXTEN BIT(15)
55 #define E1000E_TCTL (0x0400)
56 #define E1000E_TCTL_EN BIT(1)
58 #define E1000E_CTRL_EXT (0x0018)
59 #define E1000E_CTRL_EXT_DRV_LOAD BIT(28)
60 #define E1000E_CTRL_EXT_TXLSFLOW BIT(22)
62 #define E1000E_RX0_MSG_ID (0)
63 #define E1000E_TX0_MSG_ID (1)
64 #define E1000E_OTHER_MSG_ID (2)
66 #define E1000E_IVAR (0x00E4)
67 #define E1000E_IVAR_TEST_CFG ((E1000E_RX0_MSG_ID << 0) | BIT(3) | \
68 (E1000E_TX0_MSG_ID << 8) | BIT(11) | \
69 (E1000E_OTHER_MSG_ID << 16) | BIT(19) | \
72 #define E1000E_RING_LEN (0x1000)
73 #define E1000E_TXD_LEN (16)
74 #define E1000E_RXD_LEN (16)
76 #define E1000E_TDBAL (0x3800)
77 #define E1000E_TDBAH (0x3804)
78 #define E1000E_TDLEN (0x3808)
79 #define E1000E_TDH (0x3810)
80 #define E1000E_TDT (0x3818)
82 #define E1000E_RDBAL (0x2800)
83 #define E1000E_RDBAH (0x2804)
84 #define E1000E_RDLEN (0x2808)
85 #define E1000E_RDH (0x2810)
86 #define E1000E_RDT (0x2818)
88 typedef struct e1000e_device {
96 static int test_sockets[2];
97 static QGuestAllocator test_alloc;
98 static QPCIBus *test_bus;
100 static void e1000e_pci_foreach_callback(QPCIDevice *dev, int devfn, void *data)
102 QPCIDevice **res = data;
108 static QPCIDevice *e1000e_device_find(QPCIBus *bus)
110 static const int e1000e_vendor_id = 0x8086;
111 static const int e1000e_dev_id = 0x10D3;
113 QPCIDevice *e1000e_dev = NULL;
115 qpci_device_foreach(bus, e1000e_vendor_id, e1000e_dev_id,
116 e1000e_pci_foreach_callback, &e1000e_dev);
118 g_assert_nonnull(e1000e_dev);
123 static void e1000e_macreg_write(e1000e_device *d, uint32_t reg, uint32_t val)
125 qpci_io_writel(d->pci_dev, d->mac_regs, reg, val);
128 static uint32_t e1000e_macreg_read(e1000e_device *d, uint32_t reg)
130 return qpci_io_readl(d->pci_dev, d->mac_regs, reg);
133 static void e1000e_device_init(QPCIBus *bus, e1000e_device *d)
137 d->pci_dev = e1000e_device_find(bus);
139 /* Enable the device */
140 qpci_device_enable(d->pci_dev);
142 /* Map BAR0 (mac registers) */
143 d->mac_regs = qpci_iomap(d->pci_dev, 0, NULL);
145 /* Reset the device */
146 val = e1000e_macreg_read(d, E1000E_CTRL);
147 e1000e_macreg_write(d, E1000E_CTRL, val | E1000E_CTRL_RESET);
149 /* Enable and configure MSI-X */
150 qpci_msix_enable(d->pci_dev);
151 e1000e_macreg_write(d, E1000E_IVAR, E1000E_IVAR_TEST_CFG);
153 /* Check the device status - link and speed */
154 val = e1000e_macreg_read(d, E1000E_STATUS);
155 g_assert_cmphex(val & (E1000E_STATUS_LU | E1000E_STATUS_ASDV1000),
156 ==, E1000E_STATUS_LU | E1000E_STATUS_ASDV1000);
158 /* Initialize TX/RX logic */
159 e1000e_macreg_write(d, E1000E_RCTL, 0);
160 e1000e_macreg_write(d, E1000E_TCTL, 0);
162 /* Notify the device that the driver is ready */
163 val = e1000e_macreg_read(d, E1000E_CTRL_EXT);
164 e1000e_macreg_write(d, E1000E_CTRL_EXT,
165 val | E1000E_CTRL_EXT_DRV_LOAD | E1000E_CTRL_EXT_TXLSFLOW);
167 /* Allocate and setup TX ring */
168 d->tx_ring = guest_alloc(&test_alloc, E1000E_RING_LEN);
169 g_assert(d->tx_ring != 0);
171 e1000e_macreg_write(d, E1000E_TDBAL, (uint32_t) d->tx_ring);
172 e1000e_macreg_write(d, E1000E_TDBAH, (uint32_t) (d->tx_ring >> 32));
173 e1000e_macreg_write(d, E1000E_TDLEN, E1000E_RING_LEN);
174 e1000e_macreg_write(d, E1000E_TDT, 0);
175 e1000e_macreg_write(d, E1000E_TDH, 0);
177 /* Enable transmit */
178 e1000e_macreg_write(d, E1000E_TCTL, E1000E_TCTL_EN);
180 /* Allocate and setup RX ring */
181 d->rx_ring = guest_alloc(&test_alloc, E1000E_RING_LEN);
182 g_assert(d->rx_ring != 0);
184 e1000e_macreg_write(d, E1000E_RDBAL, (uint32_t)d->rx_ring);
185 e1000e_macreg_write(d, E1000E_RDBAH, (uint32_t)(d->rx_ring >> 32));
186 e1000e_macreg_write(d, E1000E_RDLEN, E1000E_RING_LEN);
187 e1000e_macreg_write(d, E1000E_RDT, 0);
188 e1000e_macreg_write(d, E1000E_RDH, 0);
191 e1000e_macreg_write(d, E1000E_RFCTL, E1000E_RFCTL_EXTEN);
192 e1000e_macreg_write(d, E1000E_RCTL, E1000E_RCTL_EN |
196 /* Enable all interrupts */
197 e1000e_macreg_write(d, E1000E_IMS, 0xFFFFFFFF);
200 static void e1000e_tx_ring_push(e1000e_device *d, void *descr)
202 uint32_t tail = e1000e_macreg_read(d, E1000E_TDT);
203 uint32_t len = e1000e_macreg_read(d, E1000E_TDLEN) / E1000E_TXD_LEN;
205 memwrite(d->tx_ring + tail * E1000E_TXD_LEN, descr, E1000E_TXD_LEN);
206 e1000e_macreg_write(d, E1000E_TDT, (tail + 1) % len);
208 /* Read WB data for the packet transmitted */
209 memread(d->tx_ring + tail * E1000E_TXD_LEN, descr, E1000E_TXD_LEN);
212 static void e1000e_rx_ring_push(e1000e_device *d, void *descr)
214 uint32_t tail = e1000e_macreg_read(d, E1000E_RDT);
215 uint32_t len = e1000e_macreg_read(d, E1000E_RDLEN) / E1000E_RXD_LEN;
217 memwrite(d->rx_ring + tail * E1000E_RXD_LEN, descr, E1000E_RXD_LEN);
218 e1000e_macreg_write(d, E1000E_RDT, (tail + 1) % len);
220 /* Read WB data for the packet received */
221 memread(d->rx_ring + tail * E1000E_RXD_LEN, descr, E1000E_RXD_LEN);
224 static void e1000e_wait_isr(e1000e_device *d, uint16_t msg_id)
226 guint64 end_time = g_get_monotonic_time() + 5 * G_TIME_SPAN_SECOND;
229 if (qpci_msix_pending(d->pci_dev, msg_id)) {
233 } while (g_get_monotonic_time() < end_time);
235 g_error("Timeout expired");
238 static void e1000e_send_verify(e1000e_device *d)
241 uint64_t buffer_addr;
260 static const uint32_t dtyp_data = BIT(20);
261 static const uint32_t dtyp_ext = BIT(29);
262 static const uint32_t dcmd_rs = BIT(27);
263 static const uint32_t dcmd_eop = BIT(24);
264 static const uint32_t dsta_dd = BIT(0);
265 static const int data_len = 64;
270 /* Prepare test data buffer */
271 uint64_t data = guest_alloc(&test_alloc, data_len);
272 memwrite(data, "TEST", 5);
274 /* Prepare TX descriptor */
275 memset(&descr, 0, sizeof(descr));
276 descr.buffer_addr = cpu_to_le64(data);
277 descr.lower.data = cpu_to_le32(dcmd_rs |
283 /* Put descriptor to the ring */
284 e1000e_tx_ring_push(d, &descr);
286 /* Wait for TX WB interrupt */
287 e1000e_wait_isr(d, E1000E_TX0_MSG_ID);
290 g_assert_cmphex(le32_to_cpu(descr.upper.data) & dsta_dd, ==, dsta_dd);
292 /* Check data sent to the backend */
293 ret = qemu_recv(test_sockets[0], &recv_len, sizeof(recv_len), 0);
294 g_assert_cmpint(ret, == , sizeof(recv_len));
295 qemu_recv(test_sockets[0], buffer, 64, 0);
296 g_assert_cmpstr(buffer, == , "TEST");
298 /* Free test data buffer */
299 guest_free(&test_alloc, data);
302 static void e1000e_receive_verify(e1000e_device *d)
306 uint64_t buffer_addr;
321 uint32_t status_error;
328 static const uint32_t esta_dd = BIT(0);
330 char test[] = "TEST";
331 int len = htonl(sizeof(test));
332 struct iovec iov[] = {
335 .iov_len = sizeof(len),
338 .iov_len = sizeof(test),
342 static const int data_len = 64;
346 /* Send a dummy packet to device's socket*/
347 ret = iov_send(test_sockets[0], iov, 2, 0, sizeof(len) + sizeof(test));
348 g_assert_cmpint(ret, == , sizeof(test) + sizeof(len));
350 /* Prepare test data buffer */
351 uint64_t data = guest_alloc(&test_alloc, data_len);
353 /* Prepare RX descriptor */
354 memset(&descr, 0, sizeof(descr));
355 descr.read.buffer_addr = cpu_to_le64(data);
357 /* Put descriptor to the ring */
358 e1000e_rx_ring_push(d, &descr);
360 /* Wait for TX WB interrupt */
361 e1000e_wait_isr(d, E1000E_RX0_MSG_ID);
364 g_assert_cmphex(le32_to_cpu(descr.wb.upper.status_error) &
365 esta_dd, ==, esta_dd);
367 /* Check data sent to the backend */
368 memread(data, buffer, sizeof(buffer));
369 g_assert_cmpstr(buffer, == , "TEST");
371 /* Free test data buffer */
372 guest_free(&test_alloc, data);
375 static void e1000e_device_clear(QPCIBus *bus, e1000e_device *d)
377 qpci_iounmap(d->pci_dev, d->mac_regs);
378 qpci_msix_disable(d->pci_dev);
381 static void data_test_init(e1000e_device *d)
385 int ret = socketpair(PF_UNIX, SOCK_STREAM, 0, test_sockets);
386 g_assert_cmpint(ret, != , -1);
388 cmdline = g_strdup_printf("-netdev socket,fd=%d,id=hs0 "
389 "-device e1000e,netdev=hs0", test_sockets[1]);
390 g_assert_nonnull(cmdline);
392 qtest_start(cmdline);
395 pc_alloc_init(&test_alloc, global_qtest, 0);
396 test_bus = qpci_new_pc(global_qtest, &test_alloc);
397 g_assert_nonnull(test_bus);
399 e1000e_device_init(test_bus, d);
402 static void data_test_clear(e1000e_device *d)
404 e1000e_device_clear(test_bus, d);
405 close(test_sockets[0]);
406 alloc_destroy(&test_alloc);
408 qpci_free_pc(test_bus);
412 static void test_e1000e_init(gconstpointer data)
420 static void test_e1000e_tx(gconstpointer data)
425 e1000e_send_verify(&d);
429 static void test_e1000e_rx(gconstpointer data)
434 e1000e_receive_verify(&d);
438 static void test_e1000e_multiple_transfers(gconstpointer data)
440 static const long iterations = 4 * 1024;
447 for (i = 0; i < iterations; i++) {
448 e1000e_send_verify(&d);
449 e1000e_receive_verify(&d);
455 static void test_e1000e_hotplug(gconstpointer data)
457 qtest_start("-device e1000e");
459 qtest_qmp_device_add("e1000e", "e1000e_net", "{'addr': '0x06'}");
460 qpci_unplug_acpi_device_test("e1000e_net", 0x06);
465 int main(int argc, char **argv)
467 g_test_init(&argc, &argv, NULL);
469 qtest_add_data_func("e1000e/init", NULL, test_e1000e_init);
470 qtest_add_data_func("e1000e/tx", NULL, test_e1000e_tx);
471 qtest_add_data_func("e1000e/rx", NULL, test_e1000e_rx);
472 qtest_add_data_func("e1000e/multiple_transfers", NULL,
473 test_e1000e_multiple_transfers);
474 qtest_add_data_func("e1000e/hotplug", NULL, test_e1000e_hotplug);