Message ID | 1433023482-25721-3-git-send-email-pcacjr@zytor.com |
---|---|
State | New |
Headers | show |
On 31/05/2015 00:04, Paulo Alcantara wrote: > v1 -> v2: > * some cleanup > * added test for TCO_LOCK bit > > Signed-off-by: Paulo Alcantara <pcacjr@zytor.com> > --- > tests/Makefile | 2 + > tests/tco-test.c | 419 +++++++++++++++++++++++++++++++++++++++++++++++++++++++ > 2 files changed, 421 insertions(+) > create mode 100644 tests/tco-test.c > > diff --git a/tests/Makefile b/tests/Makefile > index 729b969..43950d0 100644 > --- a/tests/Makefile > +++ b/tests/Makefile > @@ -150,6 +150,7 @@ check-qtest-i386-y += tests/i440fx-test$(EXESUF) > check-qtest-i386-y += tests/fw_cfg-test$(EXESUF) > check-qtest-i386-y += tests/drive_del-test$(EXESUF) > check-qtest-i386-y += tests/wdt_ib700-test$(EXESUF) > +check-qtest-i386-y += tests/tco-test$(EXESUF) > gcov-files-i386-y += hw/watchdog/watchdog.c hw/watchdog/wdt_ib700.c > check-qtest-i386-y += $(check-qtest-pci-y) > gcov-files-i386-y += $(gcov-files-pci-y) > @@ -363,6 +364,7 @@ tests/eepro100-test$(EXESUF): tests/eepro100-test.o > tests/vmxnet3-test$(EXESUF): tests/vmxnet3-test.o > tests/ne2000-test$(EXESUF): tests/ne2000-test.o > tests/wdt_ib700-test$(EXESUF): tests/wdt_ib700-test.o > +tests/tco-test$(EXESUF): tests/tco-test.o $(libqos-pc-obj-y) > tests/virtio-balloon-test$(EXESUF): tests/virtio-balloon-test.o > tests/virtio-blk-test$(EXESUF): tests/virtio-blk-test.o $(libqos-virtio-obj-y) > tests/virtio-net-test$(EXESUF): tests/virtio-net-test.o $(libqos-pc-obj-y) > diff --git a/tests/tco-test.c b/tests/tco-test.c > new file mode 100644 > index 0000000..47c15c9 > --- /dev/null > +++ b/tests/tco-test.c > @@ -0,0 +1,419 @@ > +/* > + * QEMU ICH9 TCO emulation tests > + * > + * Copyright (c) 2015 Paulo Alcantara <pcacjr@zytor.com> > + * > + * Permission is hereby granted, free of charge, to any person obtaining a copy > + * of this software and associated documentation files (the "Software"), to deal > + * in the Software without restriction, including without limitation the rights > + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell > + * copies of the Software, and to permit persons to whom the Software is > + * furnished to do so, subject to the following conditions: > + * > + * The above copyright notice and this permission notice shall be included in > + * all copies or substantial portions of the Software. > + * > + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR > + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, > + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL > + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER > + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, > + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN > + * THE SOFTWARE. > + */ > +#include <glib.h> > +#include <string.h> > +#include <stdio.h> > +#include <stdlib.h> > + > +#include "libqtest.h" > +#include "libqos/pci.h" > +#include "libqos/pci-pc.h" > +#include "hw/pci/pci_regs.h" > +#include "hw/i386/ich9.h" > +#include "hw/acpi/ich9.h" > +#include "hw/acpi/tco.h" > + > +#define PM_IO_BASE_ADDR 0xb000 > +#define RCBA_BASE_ADDR 0xfed1c000 > + > +enum { > + TCO_RLD_DEFAULT = 0x0000, > + TCO_DAT_IN_DEFAULT = 0x00, > + TCO_DAT_OUT_DEFAULT = 0x00, > + TCO1_STS_DEFAULT = 0x0000, > + TCO2_STS_DEFAULT = 0x0000, > + TCO1_CNT_DEFAULT = 0x0000, > + TCO2_CNT_DEFAULT = 0x0008, > + TCO_MESSAGE1_DEFAULT = 0x00, > + TCO_MESSAGE2_DEFAULT = 0x00, > + TCO_WDCNT_DEFAULT = 0x00, > + TCO_TMR_DEFAULT = 0x0004, > + SW_IRQ_GEN_DEFAULT = 0x03, > +}; > + > +#define TCO_SECS_TO_TICKS(secs) (((secs) * 10) / 6) > +#define TCO_TICKS_TO_SECS(ticks) (((ticks) * 6) / 10) > + > +typedef struct { > + const char *args; > + QPCIDevice *dev; > + void *lpc_base; > + void *tco_io_base; > +} TestData; > + > +static void test_init(TestData *d) > +{ > + QPCIBus *bus; > + QTestState *qs; > + char *s; > + > + s = g_strdup_printf("-machine q35 %s", !d->args ? "" : d->args); > + qs = qtest_start(s); > + qtest_irq_intercept_in(qs, "ioapic"); > + g_free(s); > + > + bus = qpci_init_pc(); > + d->dev = qpci_device_find(bus, QPCI_DEVFN(0x1f, 0x00)); > + g_assert(d->dev != NULL); > + > + /* map PCI-to-LPC bridge interface BAR */ > + d->lpc_base = qpci_iomap(d->dev, 0, NULL); > + > + qpci_device_enable(d->dev); > + > + g_assert(d->lpc_base != NULL); > + > + /* set ACPI PM I/O space base address */ > + qpci_config_writel(d->dev, (uintptr_t)d->lpc_base + ICH9_LPC_PMBASE, > + PM_IO_BASE_ADDR | 0x1); > + /* enable ACPI I/O */ > + qpci_config_writeb(d->dev, (uintptr_t)d->lpc_base + ICH9_LPC_ACPI_CTRL, > + 0x80); > + /* set Root Complex BAR */ > + qpci_config_writel(d->dev, (uintptr_t)d->lpc_base + ICH9_LPC_RCBA, > + RCBA_BASE_ADDR | 0x1); > + > + d->tco_io_base = (void *)((uintptr_t)PM_IO_BASE_ADDR + 0x60); > +} > + > +static void stop_tco(const TestData *d) > +{ > + uint32_t val; > + > + val = qpci_io_readw(d->dev, d->tco_io_base + TCO1_CNT); > + val |= TCO_TMR_HLT; > + qpci_io_writew(d->dev, d->tco_io_base + TCO1_CNT, val); > +} > + > +static void start_tco(const TestData *d) > +{ > + uint32_t val; > + > + val = qpci_io_readw(d->dev, d->tco_io_base + TCO1_CNT); > + val &= ~TCO_TMR_HLT; > + qpci_io_writew(d->dev, d->tco_io_base + TCO1_CNT, val); > +} > + > +static void load_tco(const TestData *d) > +{ > + qpci_io_writew(d->dev, d->tco_io_base + TCO_RLD, 4); > +} > + > +static void set_tco_timeout(const TestData *d, uint16_t ticks) > +{ > + qpci_io_writew(d->dev, d->tco_io_base + TCO_TMR, ticks); > +} > + > +static void clear_tco_status(const TestData *d) > +{ > + qpci_io_writew(d->dev, d->tco_io_base + TCO1_STS, 0x0008); > + qpci_io_writew(d->dev, d->tco_io_base + TCO2_STS, 0x0002); > + qpci_io_writew(d->dev, d->tco_io_base + TCO2_STS, 0x0004); > +} > + > +static void reset_on_second_timeout(bool enable) > +{ > + uint32_t val; > + > + val = readl(RCBA_BASE_ADDR + ICH9_LPC_RCBA_GCS); > + if (enable) { > + val &= ~ICH9_LPC_RCBA_GCS_NO_REBOOT; > + } else { > + val |= ICH9_LPC_RCBA_GCS_NO_REBOOT; > + } > + writel(RCBA_BASE_ADDR + ICH9_LPC_RCBA_GCS, val); > +} > + > +static void test_tco_defaults(void) > +{ > + TestData d; > + > + d.args = NULL; > + test_init(&d); > + g_assert_cmpint(qpci_io_readw(d.dev, d.tco_io_base + TCO_RLD), ==, > + TCO_RLD_DEFAULT); > + /* TCO_DAT_IN & TCO_DAT_OUT */ > + g_assert_cmpint(qpci_io_readw(d.dev, d.tco_io_base + TCO_DAT_IN), ==, > + (TCO_DAT_OUT_DEFAULT << 8) | TCO_DAT_IN_DEFAULT); > + /* TCO1_STS & TCO2_STS */ > + g_assert_cmpint(qpci_io_readl(d.dev, d.tco_io_base + TCO1_STS), ==, > + (TCO2_STS_DEFAULT << 16) | TCO1_STS_DEFAULT); > + /* TCO1_CNT & TCO2_CNT */ > + g_assert_cmpint(qpci_io_readl(d.dev, d.tco_io_base + TCO1_CNT), ==, > + (TCO2_CNT_DEFAULT << 16) | TCO1_CNT_DEFAULT); > + /* TCO_MESSAGE1 & TCO_MESSAGE2 */ > + g_assert_cmpint(qpci_io_readw(d.dev, d.tco_io_base + TCO_MESSAGE1), ==, > + (TCO_MESSAGE2_DEFAULT << 8) | TCO_MESSAGE1_DEFAULT); > + g_assert_cmpint(qpci_io_readb(d.dev, d.tco_io_base + TCO_WDCNT), ==, > + TCO_WDCNT_DEFAULT); > + g_assert_cmpint(qpci_io_readb(d.dev, d.tco_io_base + SW_IRQ_GEN), ==, > + SW_IRQ_GEN_DEFAULT); > + g_assert_cmpint(qpci_io_readw(d.dev, d.tco_io_base + TCO_TMR), ==, > + TCO_TMR_DEFAULT); > + qtest_end(); > +} > + > +static void test_tco_timeout(void) > +{ > + TestData d; > + const uint16_t ticks = TCO_SECS_TO_TICKS(4); > + uint32_t val; > + int ret; > + > + d.args = NULL; > + test_init(&d); > + > + stop_tco(&d); > + clear_tco_status(&d); > + reset_on_second_timeout(false); > + set_tco_timeout(&d, ticks); > + load_tco(&d); > + start_tco(&d); > + clock_step(ticks * TCO_TICK_NSEC); > + > + /* test first timeout */ > + val = qpci_io_readw(d.dev, d.tco_io_base + TCO1_STS); > + ret = val & TCO_TIMEOUT ? 1 : 0; > + g_assert(ret == 1); > + > + /* test clearing timeout bit */ > + val |= TCO_TIMEOUT; > + qpci_io_writew(d.dev, d.tco_io_base + TCO1_STS, val); > + val = qpci_io_readw(d.dev, d.tco_io_base + TCO1_STS); > + ret = val & TCO_TIMEOUT ? 1 : 0; > + g_assert(ret == 0); > + > + /* test second timeout */ > + clock_step(ticks * TCO_TICK_NSEC); > + val = qpci_io_readw(d.dev, d.tco_io_base + TCO1_STS); > + ret = val & TCO_TIMEOUT ? 1 : 0; > + g_assert(ret == 1); > + val = qpci_io_readw(d.dev, d.tco_io_base + TCO1_STS); > + ret = val & TCO_SECOND_TO_STS ? 1 : 0; > + g_assert(ret == 1); > + > + stop_tco(&d); > + qtest_end(); > +} > + > +static void test_tco_max_timeout(void) > +{ > + TestData d; > + const uint16_t ticks = 0xffff; > + uint32_t val; > + int ret; > + > + d.args = NULL; > + test_init(&d); > + > + stop_tco(&d); > + clear_tco_status(&d); > + reset_on_second_timeout(false); > + set_tco_timeout(&d, ticks); > + load_tco(&d); > + start_tco(&d); > + clock_step(((ticks & TCO_TMR_MASK) - 1) * TCO_TICK_NSEC); > + > + val = qpci_io_readw(d.dev, d.tco_io_base + TCO_RLD); > + g_assert_cmpint(val & TCO_RLD_MASK, ==, 1); > + val = qpci_io_readw(d.dev, d.tco_io_base + TCO1_STS); > + ret = val & TCO_TIMEOUT ? 1 : 0; > + g_assert(ret == 0); > + clock_step(TCO_TICK_NSEC); > + val = qpci_io_readw(d.dev, d.tco_io_base + TCO1_STS); > + ret = val & TCO_TIMEOUT ? 1 : 0; > + g_assert(ret == 1); > + > + stop_tco(&d); > + qtest_end(); > +} > + > +static QDict *get_watchdog_action(void) > +{ > + QDict *ev = qmp(""); > + QDict *data; > + g_assert(!strcmp(qdict_get_str(ev, "event"), "WATCHDOG")); > + > + data = qdict_get_qdict(ev, "data"); > + QINCREF(data); > + QDECREF(ev); > + return data; > +} > + > +static void test_tco_second_timeout_pause(void) > +{ > + TestData td; > + const uint16_t ticks = TCO_SECS_TO_TICKS(32); > + QDict *ad; > + > + td.args = "-watchdog-action pause"; > + test_init(&td); > + > + stop_tco(&td); > + clear_tco_status(&td); > + reset_on_second_timeout(true); > + set_tco_timeout(&td, TCO_SECS_TO_TICKS(16)); > + load_tco(&td); > + start_tco(&td); > + clock_step(ticks * TCO_TICK_NSEC * 2); > + ad = get_watchdog_action(); > + g_assert(!strcmp(qdict_get_str(ad, "action"), "pause")); > + QDECREF(ad); > + > + stop_tco(&td); > + qtest_end(); > +} > + > +static void test_tco_second_timeout_reset(void) > +{ > + TestData td; > + const uint16_t ticks = TCO_SECS_TO_TICKS(16); > + QDict *ad; > + > + td.args = "-watchdog-action reset"; > + test_init(&td); > + > + stop_tco(&td); > + clear_tco_status(&td); > + reset_on_second_timeout(true); > + set_tco_timeout(&td, TCO_SECS_TO_TICKS(16)); > + load_tco(&td); > + start_tco(&td); > + clock_step(ticks * TCO_TICK_NSEC * 2); > + ad = get_watchdog_action(); > + g_assert(!strcmp(qdict_get_str(ad, "action"), "reset")); > + QDECREF(ad); > + > + stop_tco(&td); > + qtest_end(); > +} > + > +static void test_tco_second_timeout_shutdown(void) > +{ > + TestData td; > + const uint16_t ticks = TCO_SECS_TO_TICKS(128); > + QDict *ad; > + > + td.args = "-watchdog-action shutdown"; > + test_init(&td); > + > + stop_tco(&td); > + clear_tco_status(&td); > + reset_on_second_timeout(true); > + set_tco_timeout(&td, ticks); > + load_tco(&td); > + start_tco(&td); > + clock_step(ticks * TCO_TICK_NSEC * 2); > + ad = get_watchdog_action(); > + g_assert(!strcmp(qdict_get_str(ad, "action"), "shutdown")); > + QDECREF(ad); > + > + stop_tco(&td); > + qtest_end(); > +} > + > +static void test_tco_second_timeout_none(void) > +{ > + TestData td; > + const uint16_t ticks = TCO_SECS_TO_TICKS(256); > + QDict *ad; > + > + td.args = "-watchdog-action none"; > + test_init(&td); > + > + stop_tco(&td); > + clear_tco_status(&td); > + reset_on_second_timeout(true); > + set_tco_timeout(&td, ticks); > + load_tco(&td); > + start_tco(&td); > + clock_step(ticks * TCO_TICK_NSEC * 2); > + ad = get_watchdog_action(); > + g_assert(!strcmp(qdict_get_str(ad, "action"), "none")); > + QDECREF(ad); > + > + stop_tco(&td); > + qtest_end(); > +} > + > +static void test_tco_ticks_counter(void) > +{ > + TestData d; > + uint16_t ticks = TCO_SECS_TO_TICKS(8); > + uint16_t rld; > + > + d.args = NULL; > + test_init(&d); > + > + stop_tco(&d); > + clear_tco_status(&d); > + reset_on_second_timeout(false); > + set_tco_timeout(&d, ticks); > + load_tco(&d); > + start_tco(&d); > + > + do { > + rld = qpci_io_readw(d.dev, d.tco_io_base + TCO_RLD) & TCO_RLD_MASK; > + g_assert_cmpint(rld, ==, ticks); > + clock_step(TCO_TICK_NSEC); > + ticks--; > + } while (!(qpci_io_readw(d.dev, d.tco_io_base + TCO1_STS) & TCO_TIMEOUT)); > + > + stop_tco(&d); > + qtest_end(); > +} > + > +static void test_tco_lock_bit(void) > +{ > + TestData d; > + uint16_t val; > + > + d.args = NULL; > + test_init(&d); > + > + val = TCO_LOCK; > + qpci_io_writew(d.dev, d.tco_io_base + TCO1_CNT, val); > + val &= ~TCO_LOCK; > + qpci_io_writew(d.dev, d.tco_io_base + TCO1_CNT, val); > + g_assert_cmpint(qpci_io_readw(d.dev, d.tco_io_base + TCO1_CNT), ==, > + TCO_LOCK); > + qtest_end(); > +} > + > +int main(int argc, char **argv) > +{ > + (void)test_tco_ticks_counter; > + g_test_init(&argc, &argv, NULL); > + qtest_add_func("tco/defaults", test_tco_defaults); > + qtest_add_func("tco/timeout/no_action", test_tco_timeout); > + qtest_add_func("tco/timeout/no_action/max", test_tco_max_timeout); > + qtest_add_func("tco/second_timeout/pause", test_tco_second_timeout_pause); > + qtest_add_func("tco/second_timeout/reset", test_tco_second_timeout_reset); > + qtest_add_func("tco/second_timeout/shutdown", > + test_tco_second_timeout_shutdown); > + qtest_add_func("tco/second_timeout/none", test_tco_second_timeout_none); > + qtest_add_func("tco/counter", test_tco_ticks_counter); > + qtest_add_func("tco/lock_bit", test_tco_lock_bit); > + return g_test_run(); > +} > Looks good. If you want, you can add a test for the reserved bits of the various registers. Paolo
diff --git a/tests/Makefile b/tests/Makefile index 729b969..43950d0 100644 --- a/tests/Makefile +++ b/tests/Makefile @@ -150,6 +150,7 @@ check-qtest-i386-y += tests/i440fx-test$(EXESUF) check-qtest-i386-y += tests/fw_cfg-test$(EXESUF) check-qtest-i386-y += tests/drive_del-test$(EXESUF) check-qtest-i386-y += tests/wdt_ib700-test$(EXESUF) +check-qtest-i386-y += tests/tco-test$(EXESUF) gcov-files-i386-y += hw/watchdog/watchdog.c hw/watchdog/wdt_ib700.c check-qtest-i386-y += $(check-qtest-pci-y) gcov-files-i386-y += $(gcov-files-pci-y) @@ -363,6 +364,7 @@ tests/eepro100-test$(EXESUF): tests/eepro100-test.o tests/vmxnet3-test$(EXESUF): tests/vmxnet3-test.o tests/ne2000-test$(EXESUF): tests/ne2000-test.o tests/wdt_ib700-test$(EXESUF): tests/wdt_ib700-test.o +tests/tco-test$(EXESUF): tests/tco-test.o $(libqos-pc-obj-y) tests/virtio-balloon-test$(EXESUF): tests/virtio-balloon-test.o tests/virtio-blk-test$(EXESUF): tests/virtio-blk-test.o $(libqos-virtio-obj-y) tests/virtio-net-test$(EXESUF): tests/virtio-net-test.o $(libqos-pc-obj-y) diff --git a/tests/tco-test.c b/tests/tco-test.c new file mode 100644 index 0000000..47c15c9 --- /dev/null +++ b/tests/tco-test.c @@ -0,0 +1,419 @@ +/* + * QEMU ICH9 TCO emulation tests + * + * Copyright (c) 2015 Paulo Alcantara <pcacjr@zytor.com> + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * in the Software without restriction, including without limitation the rights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN + * THE SOFTWARE. + */ +#include <glib.h> +#include <string.h> +#include <stdio.h> +#include <stdlib.h> + +#include "libqtest.h" +#include "libqos/pci.h" +#include "libqos/pci-pc.h" +#include "hw/pci/pci_regs.h" +#include "hw/i386/ich9.h" +#include "hw/acpi/ich9.h" +#include "hw/acpi/tco.h" + +#define PM_IO_BASE_ADDR 0xb000 +#define RCBA_BASE_ADDR 0xfed1c000 + +enum { + TCO_RLD_DEFAULT = 0x0000, + TCO_DAT_IN_DEFAULT = 0x00, + TCO_DAT_OUT_DEFAULT = 0x00, + TCO1_STS_DEFAULT = 0x0000, + TCO2_STS_DEFAULT = 0x0000, + TCO1_CNT_DEFAULT = 0x0000, + TCO2_CNT_DEFAULT = 0x0008, + TCO_MESSAGE1_DEFAULT = 0x00, + TCO_MESSAGE2_DEFAULT = 0x00, + TCO_WDCNT_DEFAULT = 0x00, + TCO_TMR_DEFAULT = 0x0004, + SW_IRQ_GEN_DEFAULT = 0x03, +}; + +#define TCO_SECS_TO_TICKS(secs) (((secs) * 10) / 6) +#define TCO_TICKS_TO_SECS(ticks) (((ticks) * 6) / 10) + +typedef struct { + const char *args; + QPCIDevice *dev; + void *lpc_base; + void *tco_io_base; +} TestData; + +static void test_init(TestData *d) +{ + QPCIBus *bus; + QTestState *qs; + char *s; + + s = g_strdup_printf("-machine q35 %s", !d->args ? "" : d->args); + qs = qtest_start(s); + qtest_irq_intercept_in(qs, "ioapic"); + g_free(s); + + bus = qpci_init_pc(); + d->dev = qpci_device_find(bus, QPCI_DEVFN(0x1f, 0x00)); + g_assert(d->dev != NULL); + + /* map PCI-to-LPC bridge interface BAR */ + d->lpc_base = qpci_iomap(d->dev, 0, NULL); + + qpci_device_enable(d->dev); + + g_assert(d->lpc_base != NULL); + + /* set ACPI PM I/O space base address */ + qpci_config_writel(d->dev, (uintptr_t)d->lpc_base + ICH9_LPC_PMBASE, + PM_IO_BASE_ADDR | 0x1); + /* enable ACPI I/O */ + qpci_config_writeb(d->dev, (uintptr_t)d->lpc_base + ICH9_LPC_ACPI_CTRL, + 0x80); + /* set Root Complex BAR */ + qpci_config_writel(d->dev, (uintptr_t)d->lpc_base + ICH9_LPC_RCBA, + RCBA_BASE_ADDR | 0x1); + + d->tco_io_base = (void *)((uintptr_t)PM_IO_BASE_ADDR + 0x60); +} + +static void stop_tco(const TestData *d) +{ + uint32_t val; + + val = qpci_io_readw(d->dev, d->tco_io_base + TCO1_CNT); + val |= TCO_TMR_HLT; + qpci_io_writew(d->dev, d->tco_io_base + TCO1_CNT, val); +} + +static void start_tco(const TestData *d) +{ + uint32_t val; + + val = qpci_io_readw(d->dev, d->tco_io_base + TCO1_CNT); + val &= ~TCO_TMR_HLT; + qpci_io_writew(d->dev, d->tco_io_base + TCO1_CNT, val); +} + +static void load_tco(const TestData *d) +{ + qpci_io_writew(d->dev, d->tco_io_base + TCO_RLD, 4); +} + +static void set_tco_timeout(const TestData *d, uint16_t ticks) +{ + qpci_io_writew(d->dev, d->tco_io_base + TCO_TMR, ticks); +} + +static void clear_tco_status(const TestData *d) +{ + qpci_io_writew(d->dev, d->tco_io_base + TCO1_STS, 0x0008); + qpci_io_writew(d->dev, d->tco_io_base + TCO2_STS, 0x0002); + qpci_io_writew(d->dev, d->tco_io_base + TCO2_STS, 0x0004); +} + +static void reset_on_second_timeout(bool enable) +{ + uint32_t val; + + val = readl(RCBA_BASE_ADDR + ICH9_LPC_RCBA_GCS); + if (enable) { + val &= ~ICH9_LPC_RCBA_GCS_NO_REBOOT; + } else { + val |= ICH9_LPC_RCBA_GCS_NO_REBOOT; + } + writel(RCBA_BASE_ADDR + ICH9_LPC_RCBA_GCS, val); +} + +static void test_tco_defaults(void) +{ + TestData d; + + d.args = NULL; + test_init(&d); + g_assert_cmpint(qpci_io_readw(d.dev, d.tco_io_base + TCO_RLD), ==, + TCO_RLD_DEFAULT); + /* TCO_DAT_IN & TCO_DAT_OUT */ + g_assert_cmpint(qpci_io_readw(d.dev, d.tco_io_base + TCO_DAT_IN), ==, + (TCO_DAT_OUT_DEFAULT << 8) | TCO_DAT_IN_DEFAULT); + /* TCO1_STS & TCO2_STS */ + g_assert_cmpint(qpci_io_readl(d.dev, d.tco_io_base + TCO1_STS), ==, + (TCO2_STS_DEFAULT << 16) | TCO1_STS_DEFAULT); + /* TCO1_CNT & TCO2_CNT */ + g_assert_cmpint(qpci_io_readl(d.dev, d.tco_io_base + TCO1_CNT), ==, + (TCO2_CNT_DEFAULT << 16) | TCO1_CNT_DEFAULT); + /* TCO_MESSAGE1 & TCO_MESSAGE2 */ + g_assert_cmpint(qpci_io_readw(d.dev, d.tco_io_base + TCO_MESSAGE1), ==, + (TCO_MESSAGE2_DEFAULT << 8) | TCO_MESSAGE1_DEFAULT); + g_assert_cmpint(qpci_io_readb(d.dev, d.tco_io_base + TCO_WDCNT), ==, + TCO_WDCNT_DEFAULT); + g_assert_cmpint(qpci_io_readb(d.dev, d.tco_io_base + SW_IRQ_GEN), ==, + SW_IRQ_GEN_DEFAULT); + g_assert_cmpint(qpci_io_readw(d.dev, d.tco_io_base + TCO_TMR), ==, + TCO_TMR_DEFAULT); + qtest_end(); +} + +static void test_tco_timeout(void) +{ + TestData d; + const uint16_t ticks = TCO_SECS_TO_TICKS(4); + uint32_t val; + int ret; + + d.args = NULL; + test_init(&d); + + stop_tco(&d); + clear_tco_status(&d); + reset_on_second_timeout(false); + set_tco_timeout(&d, ticks); + load_tco(&d); + start_tco(&d); + clock_step(ticks * TCO_TICK_NSEC); + + /* test first timeout */ + val = qpci_io_readw(d.dev, d.tco_io_base + TCO1_STS); + ret = val & TCO_TIMEOUT ? 1 : 0; + g_assert(ret == 1); + + /* test clearing timeout bit */ + val |= TCO_TIMEOUT; + qpci_io_writew(d.dev, d.tco_io_base + TCO1_STS, val); + val = qpci_io_readw(d.dev, d.tco_io_base + TCO1_STS); + ret = val & TCO_TIMEOUT ? 1 : 0; + g_assert(ret == 0); + + /* test second timeout */ + clock_step(ticks * TCO_TICK_NSEC); + val = qpci_io_readw(d.dev, d.tco_io_base + TCO1_STS); + ret = val & TCO_TIMEOUT ? 1 : 0; + g_assert(ret == 1); + val = qpci_io_readw(d.dev, d.tco_io_base + TCO1_STS); + ret = val & TCO_SECOND_TO_STS ? 1 : 0; + g_assert(ret == 1); + + stop_tco(&d); + qtest_end(); +} + +static void test_tco_max_timeout(void) +{ + TestData d; + const uint16_t ticks = 0xffff; + uint32_t val; + int ret; + + d.args = NULL; + test_init(&d); + + stop_tco(&d); + clear_tco_status(&d); + reset_on_second_timeout(false); + set_tco_timeout(&d, ticks); + load_tco(&d); + start_tco(&d); + clock_step(((ticks & TCO_TMR_MASK) - 1) * TCO_TICK_NSEC); + + val = qpci_io_readw(d.dev, d.tco_io_base + TCO_RLD); + g_assert_cmpint(val & TCO_RLD_MASK, ==, 1); + val = qpci_io_readw(d.dev, d.tco_io_base + TCO1_STS); + ret = val & TCO_TIMEOUT ? 1 : 0; + g_assert(ret == 0); + clock_step(TCO_TICK_NSEC); + val = qpci_io_readw(d.dev, d.tco_io_base + TCO1_STS); + ret = val & TCO_TIMEOUT ? 1 : 0; + g_assert(ret == 1); + + stop_tco(&d); + qtest_end(); +} + +static QDict *get_watchdog_action(void) +{ + QDict *ev = qmp(""); + QDict *data; + g_assert(!strcmp(qdict_get_str(ev, "event"), "WATCHDOG")); + + data = qdict_get_qdict(ev, "data"); + QINCREF(data); + QDECREF(ev); + return data; +} + +static void test_tco_second_timeout_pause(void) +{ + TestData td; + const uint16_t ticks = TCO_SECS_TO_TICKS(32); + QDict *ad; + + td.args = "-watchdog-action pause"; + test_init(&td); + + stop_tco(&td); + clear_tco_status(&td); + reset_on_second_timeout(true); + set_tco_timeout(&td, TCO_SECS_TO_TICKS(16)); + load_tco(&td); + start_tco(&td); + clock_step(ticks * TCO_TICK_NSEC * 2); + ad = get_watchdog_action(); + g_assert(!strcmp(qdict_get_str(ad, "action"), "pause")); + QDECREF(ad); + + stop_tco(&td); + qtest_end(); +} + +static void test_tco_second_timeout_reset(void) +{ + TestData td; + const uint16_t ticks = TCO_SECS_TO_TICKS(16); + QDict *ad; + + td.args = "-watchdog-action reset"; + test_init(&td); + + stop_tco(&td); + clear_tco_status(&td); + reset_on_second_timeout(true); + set_tco_timeout(&td, TCO_SECS_TO_TICKS(16)); + load_tco(&td); + start_tco(&td); + clock_step(ticks * TCO_TICK_NSEC * 2); + ad = get_watchdog_action(); + g_assert(!strcmp(qdict_get_str(ad, "action"), "reset")); + QDECREF(ad); + + stop_tco(&td); + qtest_end(); +} + +static void test_tco_second_timeout_shutdown(void) +{ + TestData td; + const uint16_t ticks = TCO_SECS_TO_TICKS(128); + QDict *ad; + + td.args = "-watchdog-action shutdown"; + test_init(&td); + + stop_tco(&td); + clear_tco_status(&td); + reset_on_second_timeout(true); + set_tco_timeout(&td, ticks); + load_tco(&td); + start_tco(&td); + clock_step(ticks * TCO_TICK_NSEC * 2); + ad = get_watchdog_action(); + g_assert(!strcmp(qdict_get_str(ad, "action"), "shutdown")); + QDECREF(ad); + + stop_tco(&td); + qtest_end(); +} + +static void test_tco_second_timeout_none(void) +{ + TestData td; + const uint16_t ticks = TCO_SECS_TO_TICKS(256); + QDict *ad; + + td.args = "-watchdog-action none"; + test_init(&td); + + stop_tco(&td); + clear_tco_status(&td); + reset_on_second_timeout(true); + set_tco_timeout(&td, ticks); + load_tco(&td); + start_tco(&td); + clock_step(ticks * TCO_TICK_NSEC * 2); + ad = get_watchdog_action(); + g_assert(!strcmp(qdict_get_str(ad, "action"), "none")); + QDECREF(ad); + + stop_tco(&td); + qtest_end(); +} + +static void test_tco_ticks_counter(void) +{ + TestData d; + uint16_t ticks = TCO_SECS_TO_TICKS(8); + uint16_t rld; + + d.args = NULL; + test_init(&d); + + stop_tco(&d); + clear_tco_status(&d); + reset_on_second_timeout(false); + set_tco_timeout(&d, ticks); + load_tco(&d); + start_tco(&d); + + do { + rld = qpci_io_readw(d.dev, d.tco_io_base + TCO_RLD) & TCO_RLD_MASK; + g_assert_cmpint(rld, ==, ticks); + clock_step(TCO_TICK_NSEC); + ticks--; + } while (!(qpci_io_readw(d.dev, d.tco_io_base + TCO1_STS) & TCO_TIMEOUT)); + + stop_tco(&d); + qtest_end(); +} + +static void test_tco_lock_bit(void) +{ + TestData d; + uint16_t val; + + d.args = NULL; + test_init(&d); + + val = TCO_LOCK; + qpci_io_writew(d.dev, d.tco_io_base + TCO1_CNT, val); + val &= ~TCO_LOCK; + qpci_io_writew(d.dev, d.tco_io_base + TCO1_CNT, val); + g_assert_cmpint(qpci_io_readw(d.dev, d.tco_io_base + TCO1_CNT), ==, + TCO_LOCK); + qtest_end(); +} + +int main(int argc, char **argv) +{ + (void)test_tco_ticks_counter; + g_test_init(&argc, &argv, NULL); + qtest_add_func("tco/defaults", test_tco_defaults); + qtest_add_func("tco/timeout/no_action", test_tco_timeout); + qtest_add_func("tco/timeout/no_action/max", test_tco_max_timeout); + qtest_add_func("tco/second_timeout/pause", test_tco_second_timeout_pause); + qtest_add_func("tco/second_timeout/reset", test_tco_second_timeout_reset); + qtest_add_func("tco/second_timeout/shutdown", + test_tco_second_timeout_shutdown); + qtest_add_func("tco/second_timeout/none", test_tco_second_timeout_none); + qtest_add_func("tco/counter", test_tco_ticks_counter); + qtest_add_func("tco/lock_bit", test_tco_lock_bit); + return g_test_run(); +}
v1 -> v2: * some cleanup * added test for TCO_LOCK bit Signed-off-by: Paulo Alcantara <pcacjr@zytor.com> --- tests/Makefile | 2 + tests/tco-test.c | 419 +++++++++++++++++++++++++++++++++++++++++++++++++++++++ 2 files changed, 421 insertions(+) create mode 100644 tests/tco-test.c