[qemu.git] / tests / tco-test.c

/*
 * QEMU ICH9 TCO emulation tests
 *
 * Copyright (c) 2015 Paulo Alcantara <[email protected]>
 *
 * This work is licensed under the terms of the GNU GPL, version 2 or later.
 * See the COPYING file in the top-level directory.
 */
#include "qemu/osdep.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 RCBA_BASE_ADDR    0xfed1c000
#define PM_IO_BASE_ADDR   0xb000

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;
    bool noreboot;
    QPCIDevice *dev;
    QPCIBar tco_io_bar;
    QPCIBus *bus;
} TestData;

static void test_end(TestData *d)
{
    g_free(d->dev);
    qpci_free_pc(d->bus);
    qtest_end();
}

static void test_init(TestData *d)
{
    QTestState *qs;

    qs = qtest_startf("-machine q35 %s %s",
                      d->noreboot ? "" : "-global ICH9-LPC.noreboot=false",
                      !d->args ? "" : d->args);
    global_qtest = qs;
    qtest_irq_intercept_in(qs, "ioapic");

    d->bus = qpci_init_pc(NULL);
    d->dev = qpci_device_find(d->bus, QPCI_DEVFN(0x1f, 0x00));
    g_assert(d->dev != NULL);

    qpci_device_enable(d->dev);

    /* set ACPI PM I/O space base address */
    qpci_config_writel(d->dev, ICH9_LPC_PMBASE, PM_IO_BASE_ADDR | 0x1);
    /* enable ACPI I/O */
    qpci_config_writeb(d->dev, ICH9_LPC_ACPI_CTRL, 0x80);
    /* set Root Complex BAR */
    qpci_config_writel(d->dev, ICH9_LPC_RCBA, RCBA_BASE_ADDR | 0x1);

    d->tco_io_bar = qpci_legacy_iomap(d->dev, PM_IO_BASE_ADDR + 0x60);
}

static void stop_tco(const TestData *d)
{
    uint32_t val;

    val = qpci_io_readw(d->dev, d->tco_io_bar, TCO1_CNT);
    val |= TCO_TMR_HLT;
    qpci_io_writew(d->dev, d->tco_io_bar, TCO1_CNT, val);
}

static void start_tco(const TestData *d)
{
    uint32_t val;

    val = qpci_io_readw(d->dev, d->tco_io_bar, TCO1_CNT);
    val &= ~TCO_TMR_HLT;
    qpci_io_writew(d->dev, d->tco_io_bar, TCO1_CNT, val);
}

static void load_tco(const TestData *d)
{
    qpci_io_writew(d->dev, d->tco_io_bar, TCO_RLD, 4);
}

static void set_tco_timeout(const TestData *d, uint16_t ticks)
{
    qpci_io_writew(d->dev, d->tco_io_bar, TCO_TMR, ticks);
}

static void clear_tco_status(const TestData *d)
{
    qpci_io_writew(d->dev, d->tco_io_bar, TCO1_STS, 0x0008);
    qpci_io_writew(d->dev, d->tco_io_bar, TCO2_STS, 0x0002);
    qpci_io_writew(d->dev, d->tco_io_bar, TCO2_STS, 0x0004);
}

static void reset_on_second_timeout(bool enable)
{
    uint32_t val;

    val = readl(RCBA_BASE_ADDR + ICH9_CC_GCS);
    if (enable) {
        val &= ~ICH9_CC_GCS_NO_REBOOT;
    } else {
        val |= ICH9_CC_GCS_NO_REBOOT;
    }
    writel(RCBA_BASE_ADDR + ICH9_CC_GCS, val);
}

static void test_tco_defaults(void)
{
    TestData d;

    d.args = NULL;
    d.noreboot = true;
    test_init(&d);
    g_assert_cmpint(qpci_io_readw(d.dev, d.tco_io_bar, TCO_RLD), ==,
                    TCO_RLD_DEFAULT);
    /* TCO_DAT_IN & TCO_DAT_OUT */
    g_assert_cmpint(qpci_io_readw(d.dev, d.tco_io_bar, 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_bar, TCO1_STS), ==,
                    (TCO2_STS_DEFAULT << 16) | TCO1_STS_DEFAULT);
    /* TCO1_CNT & TCO2_CNT */
    g_assert_cmpint(qpci_io_readl(d.dev, d.tco_io_bar, TCO1_CNT), ==,
                    (TCO2_CNT_DEFAULT << 16) | TCO1_CNT_DEFAULT);
    /* TCO_MESSAGE1 & TCO_MESSAGE2 */
    g_assert_cmpint(qpci_io_readw(d.dev, d.tco_io_bar, TCO_MESSAGE1), ==,
                    (TCO_MESSAGE2_DEFAULT << 8) | TCO_MESSAGE1_DEFAULT);
    g_assert_cmpint(qpci_io_readb(d.dev, d.tco_io_bar, TCO_WDCNT), ==,
                    TCO_WDCNT_DEFAULT);
    g_assert_cmpint(qpci_io_readb(d.dev, d.tco_io_bar, SW_IRQ_GEN), ==,
                    SW_IRQ_GEN_DEFAULT);
    g_assert_cmpint(qpci_io_readw(d.dev, d.tco_io_bar, TCO_TMR), ==,
                    TCO_TMR_DEFAULT);
    test_end(&d);
}

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;
    d.noreboot = true;
    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_bar, 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_bar, TCO1_STS, val);
    val = qpci_io_readw(d.dev, d.tco_io_bar, 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_bar, TCO1_STS);
    ret = val & TCO_TIMEOUT ? 1 : 0;
    g_assert(ret == 1);
    val = qpci_io_readw(d.dev, d.tco_io_bar, TCO2_STS);
    ret = val & TCO_SECOND_TO_STS ? 1 : 0;
    g_assert(ret == 1);

    stop_tco(&d);
    test_end(&d);
}

static void test_tco_max_timeout(void)
{
    TestData d;
    const uint16_t ticks = 0xffff;
    uint32_t val;
    int ret;

    d.args = NULL;
    d.noreboot = true;
    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_bar, TCO_RLD);
    g_assert_cmpint(val & TCO_RLD_MASK, ==, 1);
    val = qpci_io_readw(d.dev, d.tco_io_bar, 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_bar, TCO1_STS);
    ret = val & TCO_TIMEOUT ? 1 : 0;
    g_assert(ret == 1);

    stop_tco(&d);
    test_end(&d);
}

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";
    td.noreboot = false;
    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);
    test_end(&td);
}

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";
    td.noreboot = false;
    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);
    test_end(&td);
}

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";
    td.noreboot = false;
    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);
    test_end(&td);
}

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";
    td.noreboot = false;
    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);
    test_end(&td);
}

static void test_tco_ticks_counter(void)
{
    TestData d;
    uint16_t ticks = TCO_SECS_TO_TICKS(8);
    uint16_t rld;

    d.args = NULL;
    d.noreboot = true;
    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_bar, 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_bar, TCO1_STS) & TCO_TIMEOUT));

    stop_tco(&d);
    test_end(&d);
}

static void test_tco1_control_bits(void)
{
    TestData d;
    uint16_t val;

    d.args = NULL;
    d.noreboot = true;
    test_init(&d);

    val = TCO_LOCK;
    qpci_io_writew(d.dev, d.tco_io_bar, TCO1_CNT, val);
    val &= ~TCO_LOCK;
    qpci_io_writew(d.dev, d.tco_io_bar, TCO1_CNT, val);
    g_assert_cmpint(qpci_io_readw(d.dev, d.tco_io_bar, TCO1_CNT), ==,
                    TCO_LOCK);
    test_end(&d);
}

static void test_tco1_status_bits(void)
{
    TestData d;
    uint16_t ticks = 8;
    uint16_t val;
    int ret;

    d.args = NULL;
    d.noreboot = true;
    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);

    qpci_io_writeb(d.dev, d.tco_io_bar, TCO_DAT_IN, 0);
    qpci_io_writeb(d.dev, d.tco_io_bar, TCO_DAT_OUT, 0);
    val = qpci_io_readw(d.dev, d.tco_io_bar, TCO1_STS);
    ret = val & (TCO_TIMEOUT | SW_TCO_SMI | TCO_INT_STS) ? 1 : 0;
    g_assert(ret == 1);
    qpci_io_writew(d.dev, d.tco_io_bar, TCO1_STS, val);
    g_assert_cmpint(qpci_io_readw(d.dev, d.tco_io_bar, TCO1_STS), ==, 0);
    test_end(&d);
}

static void test_tco2_status_bits(void)
{
    TestData d;
    uint16_t ticks = 8;
    uint16_t val;
    int ret;

    d.args = NULL;
    d.noreboot = true;
    test_init(&d);

    stop_tco(&d);
    clear_tco_status(&d);
    reset_on_second_timeout(true);
    set_tco_timeout(&d, ticks);
    load_tco(&d);
    start_tco(&d);
    clock_step(ticks * TCO_TICK_NSEC * 2);

    val = qpci_io_readw(d.dev, d.tco_io_bar, TCO2_STS);
    ret = val & (TCO_SECOND_TO_STS | TCO_BOOT_STS) ? 1 : 0;
    g_assert(ret == 1);
    qpci_io_writew(d.dev, d.tco_io_bar, TCO2_STS, val);
    g_assert_cmpint(qpci_io_readw(d.dev, d.tco_io_bar, TCO2_STS), ==, 0);
    test_end(&d);
}

int main(int argc, char **argv)
{
    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/tco1_control/bits", test_tco1_control_bits);
    qtest_add_func("tco/tco1_status/bits", test_tco1_status_bits);
    qtest_add_func("tco/tco2_status/bits", test_tco2_status_bits);
    return g_test_run();
}
Commit	Line	Data
45dcdb9d PA	1	/*
	2	* QEMU ICH9 TCO emulation tests
	3	*
	4	* Copyright (c) 2015 Paulo Alcantara <[email protected]>
	5	*
	6	* This work is licensed under the terms of the GNU GPL, version 2 or later.
	7	* See the COPYING file in the top-level directory.
	8	*/
681c28a3	9	#include "qemu/osdep.h"
45dcdb9d PA	10
	11	#include "libqtest.h"
	12	#include "libqos/pci.h"
	13	#include "libqos/pci-pc.h"
	14	#include "hw/pci/pci_regs.h"
	15	#include "hw/i386/ich9.h"
	16	#include "hw/acpi/ich9.h"
	17	#include "hw/acpi/tco.h"
	18
	19	#define RCBA_BASE_ADDR 0xfed1c000
	20	#define PM_IO_BASE_ADDR 0xb000
	21
	22	enum {
	23	TCO_RLD_DEFAULT = 0x0000,
	24	TCO_DAT_IN_DEFAULT = 0x00,
	25	TCO_DAT_OUT_DEFAULT = 0x00,
	26	TCO1_STS_DEFAULT = 0x0000,
	27	TCO2_STS_DEFAULT = 0x0000,
	28	TCO1_CNT_DEFAULT = 0x0000,
	29	TCO2_CNT_DEFAULT = 0x0008,
	30	TCO_MESSAGE1_DEFAULT = 0x00,
	31	TCO_MESSAGE2_DEFAULT = 0x00,
	32	TCO_WDCNT_DEFAULT = 0x00,
	33	TCO_TMR_DEFAULT = 0x0004,
	34	SW_IRQ_GEN_DEFAULT = 0x03,
	35	};
	36
	37	#define TCO_SECS_TO_TICKS(secs) (((secs) * 10) / 6)
	38	#define TCO_TICKS_TO_SECS(ticks) (((ticks) * 6) / 10)
	39
	40	typedef struct {
	41	const char *args;
5add35be	42	bool noreboot;
45dcdb9d	43	QPCIDevice *dev;
b4ba67d9	44	QPCIBar tco_io_bar;
34779e8c	45	QPCIBus *bus;
45dcdb9d PA	46	} TestData;
45dcdb9d PA	47
34779e8c MAL	48	static void test_end(TestData *d)
	49	{
	50	g_free(d->dev);
	51	qpci_free_pc(d->bus);
	52	qtest_end();
	53	}
	54
45dcdb9d PA	55	static void test_init(TestData *d)
45dcdb9d PA	56	{
45dcdb9d	57	QTestState *qs;
45dcdb9d	58
78b27bad EB	59	qs = qtest_startf("-machine q35 %s %s",
	60	d->noreboot ? "" : "-global ICH9-LPC.noreboot=false",
	61	!d->args ? "" : d->args);
	62	global_qtest = qs;
45dcdb9d	63	qtest_irq_intercept_in(qs, "ioapic");
45dcdb9d	64
34779e8c MAL	65	d->bus = qpci_init_pc(NULL);
34779e8c MAL	66	d->dev = qpci_device_find(d->bus, QPCI_DEVFN(0x1f, 0x00));
45dcdb9d PA	67	g_assert(d->dev != NULL);
45dcdb9d PA	68
45dcdb9d PA	69	qpci_device_enable(d->dev);
45dcdb9d PA	70
45dcdb9d	71	/* set ACPI PM I/O space base address */
c4fc82bf	72	qpci_config_writel(d->dev, ICH9_LPC_PMBASE, PM_IO_BASE_ADDR \| 0x1);
45dcdb9d	73	/* enable ACPI I/O */
c4fc82bf	74	qpci_config_writeb(d->dev, ICH9_LPC_ACPI_CTRL, 0x80);
45dcdb9d	75	/* set Root Complex BAR */
c4fc82bf	76	qpci_config_writel(d->dev, ICH9_LPC_RCBA, RCBA_BASE_ADDR \| 0x1);
45dcdb9d	77
b4ba67d9	78	d->tco_io_bar = qpci_legacy_iomap(d->dev, PM_IO_BASE_ADDR + 0x60);
45dcdb9d PA	79	}
	80
	81	static void stop_tco(const TestData *d)
	82	{
	83	uint32_t val;
	84
b4ba67d9	85	val = qpci_io_readw(d->dev, d->tco_io_bar, TCO1_CNT);
45dcdb9d	86	val \|= TCO_TMR_HLT;
b4ba67d9	87	qpci_io_writew(d->dev, d->tco_io_bar, TCO1_CNT, val);
45dcdb9d PA	88	}
	89
	90	static void start_tco(const TestData *d)
	91	{
	92	uint32_t val;
	93
b4ba67d9	94	val = qpci_io_readw(d->dev, d->tco_io_bar, TCO1_CNT);
45dcdb9d	95	val &= ~TCO_TMR_HLT;
b4ba67d9	96	qpci_io_writew(d->dev, d->tco_io_bar, TCO1_CNT, val);
45dcdb9d PA	97	}
	98
	99	static void load_tco(const TestData *d)
	100	{
b4ba67d9	101	qpci_io_writew(d->dev, d->tco_io_bar, TCO_RLD, 4);
45dcdb9d PA	102	}
	103
	104	static void set_tco_timeout(const TestData *d, uint16_t ticks)
	105	{
b4ba67d9	106	qpci_io_writew(d->dev, d->tco_io_bar, TCO_TMR, ticks);
45dcdb9d PA	107	}
	108
	109	static void clear_tco_status(const TestData *d)
	110	{
b4ba67d9 DG	111	qpci_io_writew(d->dev, d->tco_io_bar, TCO1_STS, 0x0008);
	112	qpci_io_writew(d->dev, d->tco_io_bar, TCO2_STS, 0x0002);
	113	qpci_io_writew(d->dev, d->tco_io_bar, TCO2_STS, 0x0004);
45dcdb9d PA	114	}
	115
	116	static void reset_on_second_timeout(bool enable)
	117	{
	118	uint32_t val;
	119
	120	val = readl(RCBA_BASE_ADDR + ICH9_CC_GCS);
	121	if (enable) {
	122	val &= ~ICH9_CC_GCS_NO_REBOOT;
	123	} else {
	124	val \|= ICH9_CC_GCS_NO_REBOOT;
	125	}
	126	writel(RCBA_BASE_ADDR + ICH9_CC_GCS, val);
	127	}
	128
	129	static void test_tco_defaults(void)
	130	{
	131	TestData d;
	132
	133	d.args = NULL;
5add35be	134	d.noreboot = true;
45dcdb9d	135	test_init(&d);
b4ba67d9	136	g_assert_cmpint(qpci_io_readw(d.dev, d.tco_io_bar, TCO_RLD), ==,
45dcdb9d PA	137	TCO_RLD_DEFAULT);
45dcdb9d PA	138	/* TCO_DAT_IN & TCO_DAT_OUT */
b4ba67d9	139	g_assert_cmpint(qpci_io_readw(d.dev, d.tco_io_bar, TCO_DAT_IN), ==,
45dcdb9d PA	140	(TCO_DAT_OUT_DEFAULT << 8) \| TCO_DAT_IN_DEFAULT);
45dcdb9d PA	141	/* TCO1_STS & TCO2_STS */
b4ba67d9	142	g_assert_cmpint(qpci_io_readl(d.dev, d.tco_io_bar, TCO1_STS), ==,
45dcdb9d PA	143	(TCO2_STS_DEFAULT << 16) \| TCO1_STS_DEFAULT);
45dcdb9d PA	144	/* TCO1_CNT & TCO2_CNT */
b4ba67d9	145	g_assert_cmpint(qpci_io_readl(d.dev, d.tco_io_bar, TCO1_CNT), ==,
45dcdb9d PA	146	(TCO2_CNT_DEFAULT << 16) \| TCO1_CNT_DEFAULT);
45dcdb9d PA	147	/* TCO_MESSAGE1 & TCO_MESSAGE2 */
b4ba67d9	148	g_assert_cmpint(qpci_io_readw(d.dev, d.tco_io_bar, TCO_MESSAGE1), ==,
45dcdb9d	149	(TCO_MESSAGE2_DEFAULT << 8) \| TCO_MESSAGE1_DEFAULT);
b4ba67d9	150	g_assert_cmpint(qpci_io_readb(d.dev, d.tco_io_bar, TCO_WDCNT), ==,
45dcdb9d	151	TCO_WDCNT_DEFAULT);
b4ba67d9	152	g_assert_cmpint(qpci_io_readb(d.dev, d.tco_io_bar, SW_IRQ_GEN), ==,
45dcdb9d	153	SW_IRQ_GEN_DEFAULT);
b4ba67d9	154	g_assert_cmpint(qpci_io_readw(d.dev, d.tco_io_bar, TCO_TMR), ==,
45dcdb9d	155	TCO_TMR_DEFAULT);
34779e8c	156	test_end(&d);
45dcdb9d PA	157	}
	158
	159	static void test_tco_timeout(void)
	160	{
	161	TestData d;
	162	const uint16_t ticks = TCO_SECS_TO_TICKS(4);
	163	uint32_t val;
	164	int ret;
	165
	166	d.args = NULL;
5add35be	167	d.noreboot = true;
45dcdb9d PA	168	test_init(&d);
	169
	170	stop_tco(&d);
	171	clear_tco_status(&d);
	172	reset_on_second_timeout(false);
	173	set_tco_timeout(&d, ticks);
	174	load_tco(&d);
	175	start_tco(&d);
	176	clock_step(ticks * TCO_TICK_NSEC);
	177
	178	/* test first timeout */
b4ba67d9	179	val = qpci_io_readw(d.dev, d.tco_io_bar, TCO1_STS);
45dcdb9d PA	180	ret = val & TCO_TIMEOUT ? 1 : 0;
	181	g_assert(ret == 1);
	182
	183	/* test clearing timeout bit */
	184	val \|= TCO_TIMEOUT;
b4ba67d9 DG	185	qpci_io_writew(d.dev, d.tco_io_bar, TCO1_STS, val);
b4ba67d9 DG	186	val = qpci_io_readw(d.dev, d.tco_io_bar, TCO1_STS);
45dcdb9d PA	187	ret = val & TCO_TIMEOUT ? 1 : 0;
	188	g_assert(ret == 0);
	189
	190	/* test second timeout */
	191	clock_step(ticks * TCO_TICK_NSEC);
b4ba67d9	192	val = qpci_io_readw(d.dev, d.tco_io_bar, TCO1_STS);
45dcdb9d PA	193	ret = val & TCO_TIMEOUT ? 1 : 0;
45dcdb9d PA	194	g_assert(ret == 1);
b4ba67d9	195	val = qpci_io_readw(d.dev, d.tco_io_bar, TCO2_STS);
45dcdb9d PA	196	ret = val & TCO_SECOND_TO_STS ? 1 : 0;
	197	g_assert(ret == 1);
	198
	199	stop_tco(&d);
34779e8c	200	test_end(&d);
45dcdb9d PA	201	}
	202
	203	static void test_tco_max_timeout(void)
	204	{
	205	TestData d;
	206	const uint16_t ticks = 0xffff;
	207	uint32_t val;
	208	int ret;
	209
	210	d.args = NULL;
5add35be	211	d.noreboot = true;
45dcdb9d PA	212	test_init(&d);
	213
	214	stop_tco(&d);
	215	clear_tco_status(&d);
	216	reset_on_second_timeout(false);
	217	set_tco_timeout(&d, ticks);
	218	load_tco(&d);
	219	start_tco(&d);
	220	clock_step(((ticks & TCO_TMR_MASK) - 1) * TCO_TICK_NSEC);
	221
b4ba67d9	222	val = qpci_io_readw(d.dev, d.tco_io_bar, TCO_RLD);
45dcdb9d	223	g_assert_cmpint(val & TCO_RLD_MASK, ==, 1);
b4ba67d9	224	val = qpci_io_readw(d.dev, d.tco_io_bar, TCO1_STS);
45dcdb9d PA	225	ret = val & TCO_TIMEOUT ? 1 : 0;
	226	g_assert(ret == 0);
	227	clock_step(TCO_TICK_NSEC);
b4ba67d9	228	val = qpci_io_readw(d.dev, d.tco_io_bar, TCO1_STS);
45dcdb9d PA	229	ret = val & TCO_TIMEOUT ? 1 : 0;
	230	g_assert(ret == 1);
	231
	232	stop_tco(&d);
34779e8c	233	test_end(&d);
45dcdb9d PA	234	}
	235
	236	static QDict *get_watchdog_action(void)
	237	{
	238	QDict *ev = qmp("");
	239	QDict *data;
	240	g_assert(!strcmp(qdict_get_str(ev, "event"), "WATCHDOG"));
	241
	242	data = qdict_get_qdict(ev, "data");
	243	QINCREF(data);
	244	QDECREF(ev);
	245	return data;
	246	}
	247
	248	static void test_tco_second_timeout_pause(void)
	249	{
	250	TestData td;
	251	const uint16_t ticks = TCO_SECS_TO_TICKS(32);
	252	QDict *ad;
	253
	254	td.args = "-watchdog-action pause";
5add35be	255	td.noreboot = false;
45dcdb9d PA	256	test_init(&td);
	257
	258	stop_tco(&td);
	259	clear_tco_status(&td);
	260	reset_on_second_timeout(true);
	261	set_tco_timeout(&td, TCO_SECS_TO_TICKS(16));
	262	load_tco(&td);
	263	start_tco(&td);
	264	clock_step(ticks * TCO_TICK_NSEC * 2);
	265	ad = get_watchdog_action();
	266	g_assert(!strcmp(qdict_get_str(ad, "action"), "pause"));
	267	QDECREF(ad);
	268
	269	stop_tco(&td);
34779e8c	270	test_end(&td);
45dcdb9d PA	271	}
	272
	273	static void test_tco_second_timeout_reset(void)
	274	{
	275	TestData td;
	276	const uint16_t ticks = TCO_SECS_TO_TICKS(16);
	277	QDict *ad;
	278
	279	td.args = "-watchdog-action reset";
5add35be	280	td.noreboot = false;
45dcdb9d PA	281	test_init(&td);
	282
	283	stop_tco(&td);
	284	clear_tco_status(&td);
	285	reset_on_second_timeout(true);
	286	set_tco_timeout(&td, TCO_SECS_TO_TICKS(16));
	287	load_tco(&td);
	288	start_tco(&td);
	289	clock_step(ticks * TCO_TICK_NSEC * 2);
	290	ad = get_watchdog_action();
	291	g_assert(!strcmp(qdict_get_str(ad, "action"), "reset"));
	292	QDECREF(ad);
	293
	294	stop_tco(&td);
34779e8c	295	test_end(&td);
45dcdb9d PA	296	}
	297
	298	static void test_tco_second_timeout_shutdown(void)
	299	{
	300	TestData td;
	301	const uint16_t ticks = TCO_SECS_TO_TICKS(128);
	302	QDict *ad;
	303
	304	td.args = "-watchdog-action shutdown";
5add35be	305	td.noreboot = false;
45dcdb9d PA	306	test_init(&td);
	307
	308	stop_tco(&td);
	309	clear_tco_status(&td);
	310	reset_on_second_timeout(true);
	311	set_tco_timeout(&td, ticks);
	312	load_tco(&td);
	313	start_tco(&td);
	314	clock_step(ticks * TCO_TICK_NSEC * 2);
	315	ad = get_watchdog_action();
	316	g_assert(!strcmp(qdict_get_str(ad, "action"), "shutdown"));
	317	QDECREF(ad);
	318
	319	stop_tco(&td);
34779e8c	320	test_end(&td);
45dcdb9d PA	321	}
	322
	323	static void test_tco_second_timeout_none(void)
	324	{
	325	TestData td;
	326	const uint16_t ticks = TCO_SECS_TO_TICKS(256);
	327	QDict *ad;
	328
	329	td.args = "-watchdog-action none";
5add35be	330	td.noreboot = false;
45dcdb9d PA	331	test_init(&td);
	332
	333	stop_tco(&td);
	334	clear_tco_status(&td);
	335	reset_on_second_timeout(true);
	336	set_tco_timeout(&td, ticks);
	337	load_tco(&td);
	338	start_tco(&td);
	339	clock_step(ticks * TCO_TICK_NSEC * 2);
	340	ad = get_watchdog_action();
	341	g_assert(!strcmp(qdict_get_str(ad, "action"), "none"));
	342	QDECREF(ad);
	343
	344	stop_tco(&td);
34779e8c	345	test_end(&td);
45dcdb9d PA	346	}
	347
	348	static void test_tco_ticks_counter(void)
	349	{
	350	TestData d;
	351	uint16_t ticks = TCO_SECS_TO_TICKS(8);
	352	uint16_t rld;
	353
	354	d.args = NULL;
5add35be	355	d.noreboot = true;
45dcdb9d PA	356	test_init(&d);
	357
	358	stop_tco(&d);
	359	clear_tco_status(&d);
	360	reset_on_second_timeout(false);
	361	set_tco_timeout(&d, ticks);
	362	load_tco(&d);
	363	start_tco(&d);
	364
	365	do {
b4ba67d9	366	rld = qpci_io_readw(d.dev, d.tco_io_bar, TCO_RLD) & TCO_RLD_MASK;
45dcdb9d PA	367	g_assert_cmpint(rld, ==, ticks);
	368	clock_step(TCO_TICK_NSEC);
	369	ticks--;
b4ba67d9	370	} while (!(qpci_io_readw(d.dev, d.tco_io_bar, TCO1_STS) & TCO_TIMEOUT));
45dcdb9d PA	371
45dcdb9d PA	372	stop_tco(&d);
34779e8c	373	test_end(&d);
45dcdb9d PA	374	}
	375
	376	static void test_tco1_control_bits(void)
	377	{
	378	TestData d;
	379	uint16_t val;
	380
	381	d.args = NULL;
5add35be	382	d.noreboot = true;
45dcdb9d PA	383	test_init(&d);
	384
	385	val = TCO_LOCK;
b4ba67d9	386	qpci_io_writew(d.dev, d.tco_io_bar, TCO1_CNT, val);
45dcdb9d	387	val &= ~TCO_LOCK;
b4ba67d9 DG	388	qpci_io_writew(d.dev, d.tco_io_bar, TCO1_CNT, val);
b4ba67d9 DG	389	g_assert_cmpint(qpci_io_readw(d.dev, d.tco_io_bar, TCO1_CNT), ==,
45dcdb9d	390	TCO_LOCK);
34779e8c	391	test_end(&d);
45dcdb9d PA	392	}
	393
	394	static void test_tco1_status_bits(void)
	395	{
	396	TestData d;
	397	uint16_t ticks = 8;
	398	uint16_t val;
	399	int ret;
	400
	401	d.args = NULL;
5add35be	402	d.noreboot = true;
45dcdb9d PA	403	test_init(&d);
	404
	405	stop_tco(&d);
	406	clear_tco_status(&d);
	407	reset_on_second_timeout(false);
	408	set_tco_timeout(&d, ticks);
	409	load_tco(&d);
	410	start_tco(&d);
	411	clock_step(ticks * TCO_TICK_NSEC);
	412
b4ba67d9 DG	413	qpci_io_writeb(d.dev, d.tco_io_bar, TCO_DAT_IN, 0);
	414	qpci_io_writeb(d.dev, d.tco_io_bar, TCO_DAT_OUT, 0);
	415	val = qpci_io_readw(d.dev, d.tco_io_bar, TCO1_STS);
45dcdb9d PA	416	ret = val & (TCO_TIMEOUT \| SW_TCO_SMI \| TCO_INT_STS) ? 1 : 0;
45dcdb9d PA	417	g_assert(ret == 1);
b4ba67d9 DG	418	qpci_io_writew(d.dev, d.tco_io_bar, TCO1_STS, val);
b4ba67d9 DG	419	g_assert_cmpint(qpci_io_readw(d.dev, d.tco_io_bar, TCO1_STS), ==, 0);
34779e8c	420	test_end(&d);
45dcdb9d PA	421	}
	422
	423	static void test_tco2_status_bits(void)
	424	{
	425	TestData d;
	426	uint16_t ticks = 8;
	427	uint16_t val;
	428	int ret;
	429
5add35be PA	430	d.args = NULL;
5add35be PA	431	d.noreboot = true;
45dcdb9d PA	432	test_init(&d);
	433
	434	stop_tco(&d);
	435	clear_tco_status(&d);
	436	reset_on_second_timeout(true);
	437	set_tco_timeout(&d, ticks);
	438	load_tco(&d);
	439	start_tco(&d);
	440	clock_step(ticks * TCO_TICK_NSEC * 2);
	441
b4ba67d9	442	val = qpci_io_readw(d.dev, d.tco_io_bar, TCO2_STS);
45dcdb9d PA	443	ret = val & (TCO_SECOND_TO_STS \| TCO_BOOT_STS) ? 1 : 0;
45dcdb9d PA	444	g_assert(ret == 1);
b4ba67d9 DG	445	qpci_io_writew(d.dev, d.tco_io_bar, TCO2_STS, val);
b4ba67d9 DG	446	g_assert_cmpint(qpci_io_readw(d.dev, d.tco_io_bar, TCO2_STS), ==, 0);
34779e8c	447	test_end(&d);
45dcdb9d PA	448	}
	449
	450	int main(int argc, char **argv)
	451	{
	452	g_test_init(&argc, &argv, NULL);
	453
	454	qtest_add_func("tco/defaults", test_tco_defaults);
	455	qtest_add_func("tco/timeout/no_action", test_tco_timeout);
	456	qtest_add_func("tco/timeout/no_action/max", test_tco_max_timeout);
	457	qtest_add_func("tco/second_timeout/pause", test_tco_second_timeout_pause);
	458	qtest_add_func("tco/second_timeout/reset", test_tco_second_timeout_reset);
	459	qtest_add_func("tco/second_timeout/shutdown",
	460	test_tco_second_timeout_shutdown);
	461	qtest_add_func("tco/second_timeout/none", test_tco_second_timeout_none);
	462	qtest_add_func("tco/counter", test_tco_ticks_counter);
	463	qtest_add_func("tco/tco1_control/bits", test_tco1_control_bits);
	464	qtest_add_func("tco/tco1_status/bits", test_tco1_status_bits);
	465	qtest_add_func("tco/tco2_status/bits", test_tco2_status_bits);
	466	return g_test_run();
	467	}