2013-11-07 18:43:09 +01:00
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/*
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* QTest testcase for Realtek 8139 NIC
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*
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* Copyright (c) 2013-2014 SUSE LINUX Products GmbH
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*
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* This work is licensed under the terms of the GNU GPL, version 2 or later.
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* See the COPYING file in the top-level directory.
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*/
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2016-02-08 19:08:51 +01:00
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#include "qemu/osdep.h"
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2013-11-07 18:43:09 +01:00
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#include "libqtest.h"
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2015-01-08 19:38:23 +01:00
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#include "libqos/pci-pc.h"
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2015-06-12 15:01:30 +02:00
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#include "qemu/timer.h"
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2015-01-08 19:38:23 +01:00
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#include "qemu-common.h"
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2013-11-07 18:43:09 +01:00
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/* Tests only initialization so far. TODO: Replace with functional tests */
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static void nop(void)
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{
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}
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2015-08-24 19:29:45 +02:00
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#define CLK 33333333
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2015-01-08 19:38:23 +01:00
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static QPCIBus *pcibus;
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static QPCIDevice *dev;
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static void *dev_base;
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static void save_fn(QPCIDevice *dev, int devfn, void *data)
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{
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QPCIDevice **pdev = (QPCIDevice **) data;
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*pdev = dev;
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}
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static QPCIDevice *get_device(void)
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{
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QPCIDevice *dev;
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2016-09-29 12:32:45 +02:00
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pcibus = qpci_init_pc(NULL);
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2015-01-08 19:38:23 +01:00
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qpci_device_foreach(pcibus, 0x10ec, 0x8139, save_fn, &dev);
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g_assert(dev != NULL);
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return dev;
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}
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#define PORT(name, len, val) \
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static unsigned __attribute__((unused)) in_##name(void) \
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{ \
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unsigned res = qpci_io_read##len(dev, dev_base+(val)); \
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g_test_message("*%s -> %x\n", #name, res); \
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return res; \
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} \
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static void out_##name(unsigned v) \
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{ \
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g_test_message("%x -> *%s\n", v, #name); \
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qpci_io_write##len(dev, dev_base+(val), v); \
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}
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PORT(Timer, l, 0x48)
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PORT(IntrMask, w, 0x3c)
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PORT(IntrStatus, w, 0x3E)
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PORT(TimerInt, l, 0x54)
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#define fatal(...) do { g_test_message(__VA_ARGS__); g_assert(0); } while (0)
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static void test_timer(void)
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{
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const unsigned from = 0.95 * CLK;
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const unsigned to = 1.6 * CLK;
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unsigned prev, curr, next;
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unsigned cnt, diff;
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out_IntrMask(0);
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in_IntrStatus();
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in_Timer();
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in_Timer();
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/* Test 1. test counter continue and continue */
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out_TimerInt(0); /* disable timer */
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out_IntrStatus(0x4000);
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out_Timer(12345); /* reset timer to 0 */
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curr = in_Timer();
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if (curr > 0.1 * CLK) {
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fatal("time too big %u\n", curr);
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}
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for (cnt = 0; ; ) {
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2015-07-08 16:10:09 +02:00
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clock_step(1 * NANOSECONDS_PER_SECOND);
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2015-01-08 19:38:23 +01:00
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prev = curr;
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curr = in_Timer();
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/* test skip is in a specific range */
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diff = (curr-prev) & 0xffffffffu;
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if (diff < from || diff > to) {
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fatal("Invalid diff %u (%u-%u)\n", diff, from, to);
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}
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if (curr < prev && ++cnt == 3) {
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break;
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}
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}
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/* Test 2. Check we didn't get an interrupt with TimerInt == 0 */
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if (in_IntrStatus() & 0x4000) {
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fatal("got an interrupt\n");
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}
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/* Test 3. Setting TimerInt to 1 and Timer to 0 get interrupt */
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out_TimerInt(1);
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out_Timer(0);
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clock_step(40);
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if ((in_IntrStatus() & 0x4000) == 0) {
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fatal("we should have an interrupt here!\n");
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}
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/* Test 3. Check acknowledge */
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out_IntrStatus(0x4000);
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if (in_IntrStatus() & 0x4000) {
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fatal("got an interrupt\n");
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}
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/* Test. Status set after Timer reset */
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out_Timer(0);
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out_TimerInt(0);
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out_IntrStatus(0x4000);
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curr = in_Timer();
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out_TimerInt(curr + 0.5 * CLK);
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2015-07-08 16:10:09 +02:00
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clock_step(1 * NANOSECONDS_PER_SECOND);
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2015-01-08 19:38:23 +01:00
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out_Timer(0);
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if ((in_IntrStatus() & 0x4000) == 0) {
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fatal("we should have an interrupt here!\n");
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}
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/* Test. Status set after TimerInt reset */
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out_Timer(0);
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out_TimerInt(0);
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out_IntrStatus(0x4000);
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curr = in_Timer();
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out_TimerInt(curr + 0.5 * CLK);
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2015-07-08 16:10:09 +02:00
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clock_step(1 * NANOSECONDS_PER_SECOND);
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2015-01-08 19:38:23 +01:00
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out_TimerInt(0);
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if ((in_IntrStatus() & 0x4000) == 0) {
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fatal("we should have an interrupt here!\n");
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}
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/* Test 4. Increment TimerInt we should see an interrupt */
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curr = in_Timer();
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next = curr + 5.0 * CLK;
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out_TimerInt(next);
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for (cnt = 0; ; ) {
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2015-07-08 16:10:09 +02:00
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clock_step(1 * NANOSECONDS_PER_SECOND);
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2015-01-08 19:38:23 +01:00
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prev = curr;
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curr = in_Timer();
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diff = (curr-prev) & 0xffffffffu;
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if (diff < from || diff > to) {
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fatal("Invalid diff %u (%u-%u)\n", diff, from, to);
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}
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if (cnt < 3 && curr > next) {
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if ((in_IntrStatus() & 0x4000) == 0) {
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fatal("we should have an interrupt here!\n");
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}
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out_IntrStatus(0x4000);
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next = curr + 5.0 * CLK;
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out_TimerInt(next);
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if (++cnt == 3) {
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out_TimerInt(1);
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}
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/* Test 5. Second time we pass from 0 should see an interrupt */
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} else if (cnt >= 3 && curr < prev) {
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/* here we should have an interrupt */
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if ((in_IntrStatus() & 0x4000) == 0) {
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fatal("we should have an interrupt here!\n");
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}
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out_IntrStatus(0x4000);
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if (++cnt == 5) {
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break;
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}
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}
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}
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g_test_message("Everythink is ok!\n");
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}
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static void test_init(void)
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{
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uint64_t barsize;
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dev = get_device();
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dev_base = qpci_iomap(dev, 0, &barsize);
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g_assert(dev_base != NULL);
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qpci_device_enable(dev);
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test_timer();
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}
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2013-11-07 18:43:09 +01:00
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int main(int argc, char **argv)
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{
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int ret;
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g_test_init(&argc, &argv, NULL);
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qtest_add_func("/rtl8139/nop", nop);
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2015-01-08 19:38:23 +01:00
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qtest_add_func("/rtl8139/timer", test_init);
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2013-11-07 18:43:09 +01:00
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qtest_start("-device rtl8139");
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ret = g_test_run();
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qtest_end();
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return ret;
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}
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