[qemu.git] / tests / libqtest.c

/*
 * QTest
 *
 * Copyright IBM, Corp. 2012
 * Copyright Red Hat, Inc. 2012
 *
 * Authors:
 *  Anthony Liguori   <[email protected]>
 *  Paolo Bonzini     <[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 "libqtest.h"

#include <glib.h>
#include <sys/types.h>
#include <sys/socket.h>
#include <sys/wait.h>
#include <sys/un.h>
#include <inttypes.h>
#include <errno.h>
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <string.h>

#include "qemu/compiler.h"
#include "qemu/osdep.h"

#define MAX_IRQ 256

QTestState *global_qtest;

struct QTestState
{
    int fd;
    int qmp_fd;
    bool irq_level[MAX_IRQ];
    GString *rx;
    gchar *pid_file;
    char *socket_path, *qmp_socket_path;
};

#define g_assert_no_errno(ret) do { \
    g_assert_cmpint(ret, !=, -1); \
} while (0)

static int init_socket(const char *socket_path)
{
    struct sockaddr_un addr;
    int sock;
    int ret;

    sock = socket(PF_UNIX, SOCK_STREAM, 0);
    g_assert_no_errno(sock);

    addr.sun_family = AF_UNIX;
    snprintf(addr.sun_path, sizeof(addr.sun_path), "%s", socket_path);
    qemu_set_cloexec(sock);

    do {
        ret = bind(sock, (struct sockaddr *)&addr, sizeof(addr));
    } while (ret == -1 && errno == EINTR);
    g_assert_no_errno(ret);
    listen(sock, 1);

    return sock;
}

static int socket_accept(int sock)
{
    struct sockaddr_un addr;
    socklen_t addrlen;
    int ret;

    addrlen = sizeof(addr);
    do {
        ret = accept(sock, (struct sockaddr *)&addr, &addrlen);
    } while (ret == -1 && errno == EINTR);
    g_assert_no_errno(ret);
    close(sock);

    return ret;
}

static pid_t qtest_qemu_pid(QTestState *s)
{
    FILE *f;
    char buffer[1024];
    pid_t pid = -1;

    f = fopen(s->pid_file, "r");
    if (f) {
        if (fgets(buffer, sizeof(buffer), f)) {
            pid = atoi(buffer);
        }
    }
    fclose(f);
    return pid;
}

QTestState *qtest_init(const char *extra_args)
{
    QTestState *s;
    int sock, qmpsock, ret, i;
    gchar *pid_file;
    gchar *command;
    const char *qemu_binary;
    pid_t pid;

    qemu_binary = getenv("QTEST_QEMU_BINARY");
    g_assert(qemu_binary != NULL);

    s = g_malloc(sizeof(*s));

    s->socket_path = g_strdup_printf("/tmp/qtest-%d.sock", getpid());
    s->qmp_socket_path = g_strdup_printf("/tmp/qtest-%d.qmp", getpid());
    pid_file = g_strdup_printf("/tmp/qtest-%d.pid", getpid());

    sock = init_socket(s->socket_path);
    qmpsock = init_socket(s->qmp_socket_path);

    pid = fork();
    if (pid == 0) {
        command = g_strdup_printf("%s "
                                  "-qtest unix:%s,nowait "
                                  "-qtest-log /dev/null "
                                  "-qmp unix:%s,nowait "
                                  "-pidfile %s "
                                  "-machine accel=qtest "
                                  "%s", qemu_binary, s->socket_path,
                                  s->qmp_socket_path, pid_file,
                                  extra_args ?: "");

        ret = system(command);
        exit(ret);
        g_free(command);
    }

    s->fd = socket_accept(sock);
    s->qmp_fd = socket_accept(qmpsock);

    s->rx = g_string_new("");
    s->pid_file = pid_file;
    for (i = 0; i < MAX_IRQ; i++) {
        s->irq_level[i] = false;
    }

    /* Read the QMP greeting and then do the handshake */
    qtest_qmp(s, "");
    qtest_qmp(s, "{ 'execute': 'qmp_capabilities' }");

    if (getenv("QTEST_STOP")) {
        kill(qtest_qemu_pid(s), SIGSTOP);
    }

    return s;
}

void qtest_quit(QTestState *s)
{
    int status;

    pid_t pid = qtest_qemu_pid(s);
    if (pid != -1) {
        kill(pid, SIGTERM);
        waitpid(pid, &status, 0);
    }

    unlink(s->pid_file);
    unlink(s->socket_path);
    unlink(s->qmp_socket_path);
    g_free(s->pid_file);
    g_free(s->socket_path);
    g_free(s->qmp_socket_path);
}

static void socket_sendf(int fd, const char *fmt, va_list ap)
{
    gchar *str;
    size_t size, offset;

    str = g_strdup_vprintf(fmt, ap);
    size = strlen(str);

    offset = 0;
    while (offset < size) {
        ssize_t len;

        len = write(fd, str + offset, size - offset);
        if (len == -1 && errno == EINTR) {
            continue;
        }

        g_assert_no_errno(len);
        g_assert_cmpint(len, >, 0);

        offset += len;
    }
}

static void GCC_FMT_ATTR(2, 3) qtest_sendf(QTestState *s, const char *fmt, ...)
{
    va_list ap;

    va_start(ap, fmt);
    socket_sendf(s->fd, fmt, ap);
    va_end(ap);
}

static GString *qtest_recv_line(QTestState *s)
{
    GString *line;
    size_t offset;
    char *eol;

    while ((eol = strchr(s->rx->str, '\n')) == NULL) {
        ssize_t len;
        char buffer[1024];

        len = read(s->fd, buffer, sizeof(buffer));
        if (len == -1 && errno == EINTR) {
            continue;
        }

        if (len == -1 || len == 0) {
            fprintf(stderr, "Broken pipe\n");
            exit(1);
        }

        g_string_append_len(s->rx, buffer, len);
    }

    offset = eol - s->rx->str;
    line = g_string_new_len(s->rx->str, offset);
    g_string_erase(s->rx, 0, offset + 1);

    return line;
}

static gchar **qtest_rsp(QTestState *s, int expected_args)
{
    GString *line;
    gchar **words;
    int i;

redo:
    line = qtest_recv_line(s);
    words = g_strsplit(line->str, " ", 0);
    g_string_free(line, TRUE);

    if (strcmp(words[0], "IRQ") == 0) {
        int irq;

        g_assert(words[1] != NULL);
        g_assert(words[2] != NULL);

        irq = strtoul(words[2], NULL, 0);
        g_assert_cmpint(irq, >=, 0);
        g_assert_cmpint(irq, <, MAX_IRQ);

        if (strcmp(words[1], "raise") == 0) {
            s->irq_level[irq] = true;
        } else {
            s->irq_level[irq] = false;
        }

        g_strfreev(words);
        goto redo;
    }

    g_assert(words[0] != NULL);
    g_assert_cmpstr(words[0], ==, "OK");

    if (expected_args) {
        for (i = 0; i < expected_args; i++) {
            g_assert(words[i] != NULL);
        }
    } else {
        g_strfreev(words);
    }

    return words;
}

void qtest_qmp(QTestState *s, const char *fmt, ...)
{
    va_list ap;
    bool has_reply = false;
    int nesting = 0;

    /* Send QMP request */
    va_start(ap, fmt);
    socket_sendf(s->qmp_fd, fmt, ap);
    va_end(ap);

    /* Receive reply */
    while (!has_reply || nesting > 0) {
        ssize_t len;
        char c;

        len = read(s->qmp_fd, &c, 1);
        if (len == -1 && errno == EINTR) {
            continue;
        }

        if (len == -1 || len == 0) {
            fprintf(stderr, "Broken pipe\n");
            exit(1);
        }

        switch (c) {
        case '{':
            nesting++;
            has_reply = true;
            break;
        case '}':
            nesting--;
            break;
        }
    }
}

const char *qtest_get_arch(void)
{
    const char *qemu = getenv("QTEST_QEMU_BINARY");
    const char *end = strrchr(qemu, '/');

    return end + strlen("/qemu-system-");
}

bool qtest_get_irq(QTestState *s, int num)
{
    /* dummy operation in order to make sure irq is up to date */
    qtest_inb(s, 0);

    return s->irq_level[num];
}

static int64_t qtest_clock_rsp(QTestState *s)
{
    gchar **words;
    int64_t clock;
    words = qtest_rsp(s, 2);
    clock = g_ascii_strtoll(words[1], NULL, 0);
    g_strfreev(words);
    return clock;
}

int64_t qtest_clock_step_next(QTestState *s)
{
    qtest_sendf(s, "clock_step\n");
    return qtest_clock_rsp(s);
}

int64_t qtest_clock_step(QTestState *s, int64_t step)
{
    qtest_sendf(s, "clock_step %"PRIi64"\n", step);
    return qtest_clock_rsp(s);
}

int64_t qtest_clock_set(QTestState *s, int64_t val)
{
    qtest_sendf(s, "clock_set %"PRIi64"\n", val);
    return qtest_clock_rsp(s);
}

void qtest_irq_intercept_out(QTestState *s, const char *qom_path)
{
    qtest_sendf(s, "irq_intercept_out %s\n", qom_path);
    qtest_rsp(s, 0);
}

void qtest_irq_intercept_in(QTestState *s, const char *qom_path)
{
    qtest_sendf(s, "irq_intercept_in %s\n", qom_path);
    qtest_rsp(s, 0);
}

static void qtest_out(QTestState *s, const char *cmd, uint16_t addr, uint32_t value)
{
    qtest_sendf(s, "%s 0x%x 0x%x\n", cmd, addr, value);
    qtest_rsp(s, 0);
}

void qtest_outb(QTestState *s, uint16_t addr, uint8_t value)
{
    qtest_out(s, "outb", addr, value);
}

void qtest_outw(QTestState *s, uint16_t addr, uint16_t value)
{
    qtest_out(s, "outw", addr, value);
}

void qtest_outl(QTestState *s, uint16_t addr, uint32_t value)
{
    qtest_out(s, "outl", addr, value);
}

static uint32_t qtest_in(QTestState *s, const char *cmd, uint16_t addr)
{
    gchar **args;
    uint32_t value;

    qtest_sendf(s, "%s 0x%x\n", cmd, addr);
    args = qtest_rsp(s, 2);
    value = strtoul(args[1], NULL, 0);
    g_strfreev(args);

    return value;
}

uint8_t qtest_inb(QTestState *s, uint16_t addr)
{
    return qtest_in(s, "inb", addr);
}

uint16_t qtest_inw(QTestState *s, uint16_t addr)
{
    return qtest_in(s, "inw", addr);
}

uint32_t qtest_inl(QTestState *s, uint16_t addr)
{
    return qtest_in(s, "inl", addr);
}

static int hex2nib(char ch)
{
    if (ch >= '0' && ch <= '9') {
        return ch - '0';
    } else if (ch >= 'a' && ch <= 'f') {
        return 10 + (ch - 'a');
    } else if (ch >= 'A' && ch <= 'F') {
        return 10 + (ch - 'a');
    } else {
        return -1;
    }
}

void qtest_memread(QTestState *s, uint64_t addr, void *data, size_t size)
{
    uint8_t *ptr = data;
    gchar **args;
    size_t i;

    qtest_sendf(s, "read 0x%" PRIx64 " 0x%zx\n", addr, size);
    args = qtest_rsp(s, 2);

    for (i = 0; i < size; i++) {
        ptr[i] = hex2nib(args[1][2 + (i * 2)]) << 4;
        ptr[i] |= hex2nib(args[1][2 + (i * 2) + 1]);
    }

    g_strfreev(args);
}

void qtest_add_func(const char *str, void (*fn))
{
    gchar *path = g_strdup_printf("/%s/%s", qtest_get_arch(), str);
    g_test_add_func(path, fn);
}

void qtest_memwrite(QTestState *s, uint64_t addr, const void *data, size_t size)
{
    const uint8_t *ptr = data;
    size_t i;

    qtest_sendf(s, "write 0x%" PRIx64 " 0x%zx 0x", addr, size);
    for (i = 0; i < size; i++) {
        qtest_sendf(s, "%02x", ptr[i]);
    }
    qtest_sendf(s, "\n");
    qtest_rsp(s, 0);
}
Commit	Line	Data
49ee3590 AL	1	/*
	2	* QTest
	3	*
	4	* Copyright IBM, Corp. 2012
	5	* Copyright Red Hat, Inc. 2012
	6	*
	7	* Authors:
	8	* Anthony Liguori <[email protected]>
	9	* Paolo Bonzini <[email protected]>
	10	*
	11	* This work is licensed under the terms of the GNU GPL, version 2 or later.
	12	* See the COPYING file in the top-level directory.
	13	*
	14	*/
	15	#include "libqtest.h"
	16
	17	#include <glib.h>
	18	#include <sys/types.h>
	19	#include <sys/socket.h>
	20	#include <sys/wait.h>
	21	#include <sys/un.h>
	22	#include <inttypes.h>
	23	#include <errno.h>
	24	#include <stdio.h>
	25	#include <stdlib.h>
	26	#include <unistd.h>
	27	#include <string.h>
	28
1de7afc9 PB	29	#include "qemu/compiler.h"
1de7afc9 PB	30	#include "qemu/osdep.h"
49ee3590 AL	31
	32	#define MAX_IRQ 256
	33
	34	QTestState *global_qtest;
	35
	36	struct QTestState
	37	{
	38	int fd;
a3ca163c	39	int qmp_fd;
49ee3590 AL	40	bool irq_level[MAX_IRQ];
	41	GString *rx;
	42	gchar *pid_file;
bb494a50	43	char socket_path, qmp_socket_path;
49ee3590 AL	44	};
	45
	46	#define g_assert_no_errno(ret) do { \
	47	g_assert_cmpint(ret, !=, -1); \
	48	} while (0)
	49
a3ca163c KW	50	static int init_socket(const char *socket_path)
	51	{
	52	struct sockaddr_un addr;
	53	int sock;
	54	int ret;
	55
	56	sock = socket(PF_UNIX, SOCK_STREAM, 0);
	57	g_assert_no_errno(sock);
	58
	59	addr.sun_family = AF_UNIX;
	60	snprintf(addr.sun_path, sizeof(addr.sun_path), "%s", socket_path);
	61	qemu_set_cloexec(sock);
	62
	63	do {
	64	ret = bind(sock, (struct sockaddr *)&addr, sizeof(addr));
	65	} while (ret == -1 && errno == EINTR);
	66	g_assert_no_errno(ret);
	67	listen(sock, 1);
	68
	69	return sock;
	70	}
	71
	72	static int socket_accept(int sock)
	73	{
	74	struct sockaddr_un addr;
	75	socklen_t addrlen;
	76	int ret;
	77
b34d2595	78	addrlen = sizeof(addr);
a3ca163c KW	79	do {
	80	ret = accept(sock, (struct sockaddr *)&addr, &addrlen);
	81	} while (ret == -1 && errno == EINTR);
	82	g_assert_no_errno(ret);
	83	close(sock);
	84
	85	return ret;
	86	}
	87
e0fea6b1 PB	88	static pid_t qtest_qemu_pid(QTestState *s)
	89	{
	90	FILE *f;
	91	char buffer[1024];
	92	pid_t pid = -1;
	93
	94	f = fopen(s->pid_file, "r");
	95	if (f) {
	96	if (fgets(buffer, sizeof(buffer), f)) {
	97	pid = atoi(buffer);
	98	}
	99	}
	100	fclose(f);
	101	return pid;
	102	}
	103
49ee3590 AL	104	QTestState qtest_init(const char extra_args)
	105	{
	106	QTestState *s;
a3ca163c	107	int sock, qmpsock, ret, i;
49ee3590 AL	108	gchar *pid_file;
	109	gchar *command;
	110	const char *qemu_binary;
	111	pid_t pid;
49ee3590 AL	112
	113	qemu_binary = getenv("QTEST_QEMU_BINARY");
	114	g_assert(qemu_binary != NULL);
	115
49ee3590 AL	116	s = g_malloc(sizeof(*s));
49ee3590 AL	117
bb494a50 MA	118	s->socket_path = g_strdup_printf("/tmp/qtest-%d.sock", getpid());
	119	s->qmp_socket_path = g_strdup_printf("/tmp/qtest-%d.qmp", getpid());
	120	pid_file = g_strdup_printf("/tmp/qtest-%d.pid", getpid());
	121
	122	sock = init_socket(s->socket_path);
	123	qmpsock = init_socket(s->qmp_socket_path);
49ee3590 AL	124
	125	pid = fork();
	126	if (pid == 0) {
	127	command = g_strdup_printf("%s "
	128	"-qtest unix:%s,nowait "
	129	"-qtest-log /dev/null "
a3ca163c	130	"-qmp unix:%s,nowait "
49ee3590 AL	131	"-pidfile %s "
49ee3590 AL	132	"-machine accel=qtest "
bb494a50 MA	133	"%s", qemu_binary, s->socket_path,
bb494a50 MA	134	s->qmp_socket_path, pid_file,
49ee3590 AL	135	extra_args ?: "");
	136
	137	ret = system(command);
	138	exit(ret);
	139	g_free(command);
	140	}
	141
a3ca163c KW	142	s->fd = socket_accept(sock);
a3ca163c KW	143	s->qmp_fd = socket_accept(qmpsock);
49ee3590	144
49ee3590 AL	145	s->rx = g_string_new("");
	146	s->pid_file = pid_file;
	147	for (i = 0; i < MAX_IRQ; i++) {
	148	s->irq_level[i] = false;
	149	}
	150
a3ca163c KW	151	/* Read the QMP greeting and then do the handshake */
	152	qtest_qmp(s, "");
	153	qtest_qmp(s, "{ 'execute': 'qmp_capabilities' }");
49ee3590	154
e0fea6b1 PB	155	if (getenv("QTEST_STOP")) {
	156	kill(qtest_qemu_pid(s), SIGSTOP);
	157	}
	158
49ee3590 AL	159	return s;
	160	}
	161
	162	void qtest_quit(QTestState *s)
	163	{
e0fea6b1	164	int status;
49ee3590	165
e0fea6b1 PB	166	pid_t pid = qtest_qemu_pid(s);
	167	if (pid != -1) {
	168	kill(pid, SIGTERM);
	169	waitpid(pid, &status, 0);
49ee3590	170	}
bb494a50 MA	171
	172	unlink(s->pid_file);
	173	unlink(s->socket_path);
	174	unlink(s->qmp_socket_path);
	175	g_free(s->pid_file);
	176	g_free(s->socket_path);
	177	g_free(s->qmp_socket_path);
49ee3590 AL	178	}
49ee3590 AL	179
a3ca163c	180	static void socket_sendf(int fd, const char *fmt, va_list ap)
49ee3590	181	{
49ee3590 AL	182	gchar *str;
	183	size_t size, offset;
	184
49ee3590	185	str = g_strdup_vprintf(fmt, ap);
49ee3590 AL	186	size = strlen(str);
	187
	188	offset = 0;
	189	while (offset < size) {
	190	ssize_t len;
	191
a3ca163c	192	len = write(fd, str + offset, size - offset);
49ee3590 AL	193	if (len == -1 && errno == EINTR) {
	194	continue;
	195	}
	196
	197	g_assert_no_errno(len);
	198	g_assert_cmpint(len, >, 0);
	199
	200	offset += len;
	201	}
	202	}
	203
a3ca163c KW	204	static void GCC_FMT_ATTR(2, 3) qtest_sendf(QTestState s, const char fmt, ...)
	205	{
	206	va_list ap;
	207
	208	va_start(ap, fmt);
	209	socket_sendf(s->fd, fmt, ap);
	210	va_end(ap);
	211	}
	212
49ee3590 AL	213	static GString qtest_recv_line(QTestState s)
	214	{
	215	GString *line;
	216	size_t offset;
	217	char *eol;
	218
	219	while ((eol = strchr(s->rx->str, '\n')) == NULL) {
	220	ssize_t len;
	221	char buffer[1024];
	222
	223	len = read(s->fd, buffer, sizeof(buffer));
	224	if (len == -1 && errno == EINTR) {
	225	continue;
	226	}
	227
	228	if (len == -1 \|\| len == 0) {
	229	fprintf(stderr, "Broken pipe\n");
	230	exit(1);
	231	}
	232
	233	g_string_append_len(s->rx, buffer, len);
	234	}
	235
	236	offset = eol - s->rx->str;
	237	line = g_string_new_len(s->rx->str, offset);
	238	g_string_erase(s->rx, 0, offset + 1);
	239
	240	return line;
	241	}
	242
	243	static gchar *qtest_rsp(QTestState s, int expected_args)
	244	{
	245	GString *line;
	246	gchar **words;
	247	int i;
	248
	249	redo:
	250	line = qtest_recv_line(s);
	251	words = g_strsplit(line->str, " ", 0);
	252	g_string_free(line, TRUE);
	253
	254	if (strcmp(words[0], "IRQ") == 0) {
	255	int irq;
	256
	257	g_assert(words[1] != NULL);
	258	g_assert(words[2] != NULL);
	259
	260	irq = strtoul(words[2], NULL, 0);
	261	g_assert_cmpint(irq, >=, 0);
	262	g_assert_cmpint(irq, <, MAX_IRQ);
	263
	264	if (strcmp(words[1], "raise") == 0) {
	265	s->irq_level[irq] = true;
	266	} else {
	267	s->irq_level[irq] = false;
	268	}
	269
	270	g_strfreev(words);
	271	goto redo;
	272	}
	273
	274	g_assert(words[0] != NULL);
	275	g_assert_cmpstr(words[0], ==, "OK");
	276
277	if (expected_args) {
278	for (i = 0; i < expected_args; i++) {
279	g_assert(words[i] != NULL);
280	}
281	} else {
282	g_strfreev(words);
283	}
284
285	return words;
286	}
287
a3ca163c KW	288	void qtest_qmp(QTestState s, const char fmt, ...)
	289	{
	290	va_list ap;
	291	bool has_reply = false;
	292	int nesting = 0;
	293
	294	/* Send QMP request */
	295	va_start(ap, fmt);
	296	socket_sendf(s->qmp_fd, fmt, ap);
	297	va_end(ap);
	298
	299	/* Receive reply */
	300	while (!has_reply \|\| nesting > 0) {
	301	ssize_t len;
	302	char c;
	303
	304	len = read(s->qmp_fd, &c, 1);
	305	if (len == -1 && errno == EINTR) {
	306	continue;
	307	}
	308
039380a8 AL	309	if (len == -1 \|\| len == 0) {
	310	fprintf(stderr, "Broken pipe\n");
	311	exit(1);
	312	}
	313
a3ca163c KW	314	switch (c) {
	315	case '{':
	316	nesting++;
	317	has_reply = true;
	318	break;
	319	case '}':
	320	nesting--;
	321	break;
	322	}
	323	}
	324	}
	325
49ee3590 AL	326	const char *qtest_get_arch(void)
	327	{
	328	const char *qemu = getenv("QTEST_QEMU_BINARY");
	329	const char *end = strrchr(qemu, '/');
	330
	331	return end + strlen("/qemu-system-");
	332	}
	333
	334	bool qtest_get_irq(QTestState *s, int num)
	335	{
	336	/* dummy operation in order to make sure irq is up to date */
	337	qtest_inb(s, 0);
	338
	339	return s->irq_level[num];
	340	}
	341
	342	static int64_t qtest_clock_rsp(QTestState *s)
	343	{
	344	gchar **words;
	345	int64_t clock;
	346	words = qtest_rsp(s, 2);
	347	clock = g_ascii_strtoll(words[1], NULL, 0);
	348	g_strfreev(words);
	349	return clock;
	350	}
	351
	352	int64_t qtest_clock_step_next(QTestState *s)
	353	{
	354	qtest_sendf(s, "clock_step\n");
	355	return qtest_clock_rsp(s);
	356	}
	357
	358	int64_t qtest_clock_step(QTestState *s, int64_t step)
	359	{
	360	qtest_sendf(s, "clock_step %"PRIi64"\n", step);
	361	return qtest_clock_rsp(s);
	362	}
	363
	364	int64_t qtest_clock_set(QTestState *s, int64_t val)
	365	{
	366	qtest_sendf(s, "clock_set %"PRIi64"\n", val);
	367	return qtest_clock_rsp(s);
	368	}
	369
	370	void qtest_irq_intercept_out(QTestState s, const char qom_path)
	371	{
	372	qtest_sendf(s, "irq_intercept_out %s\n", qom_path);
	373	qtest_rsp(s, 0);
	374	}
	375
	376	void qtest_irq_intercept_in(QTestState s, const char qom_path)
	377	{
	378	qtest_sendf(s, "irq_intercept_in %s\n", qom_path);
	379	qtest_rsp(s, 0);
	380	}
	381
	382	static void qtest_out(QTestState s, const char cmd, uint16_t addr, uint32_t value)
	383	{
	384	qtest_sendf(s, "%s 0x%x 0x%x\n", cmd, addr, value);
	385	qtest_rsp(s, 0);
	386	}
	387
	388	void qtest_outb(QTestState *s, uint16_t addr, uint8_t value)
	389	{
390	qtest_out(s, "outb", addr, value);
391	}
392
393	void qtest_outw(QTestState *s, uint16_t addr, uint16_t value)
394	{
395	qtest_out(s, "outw", addr, value);
396	}
397
398	void qtest_outl(QTestState *s, uint16_t addr, uint32_t value)
399	{
400	qtest_out(s, "outl", addr, value);
401	}
402
403	static uint32_t qtest_in(QTestState s, const char cmd, uint16_t addr)
404	{
405	gchar **args;
406	uint32_t value;
407
408	qtest_sendf(s, "%s 0x%x\n", cmd, addr);
409	args = qtest_rsp(s, 2);
410	value = strtoul(args[1], NULL, 0);
411	g_strfreev(args);
412
413	return value;
414	}
415
416	uint8_t qtest_inb(QTestState *s, uint16_t addr)
417	{
418	return qtest_in(s, "inb", addr);
419	}
420
421	uint16_t qtest_inw(QTestState *s, uint16_t addr)
422	{
423	return qtest_in(s, "inw", addr);
424	}
425
426	uint32_t qtest_inl(QTestState *s, uint16_t addr)
427	{
428	return qtest_in(s, "inl", addr);
429	}
430
431	static int hex2nib(char ch)
432	{
433	if (ch >= '0' && ch <= '9') {
434	return ch - '0';
435	} else if (ch >= 'a' && ch <= 'f') {
436	return 10 + (ch - 'a');
437	} else if (ch >= 'A' && ch <= 'F') {
438	return 10 + (ch - 'a');
439	} else {
440	return -1;
441	}
442	}
443
444	void qtest_memread(QTestState s, uint64_t addr, void data, size_t size)
445	{
446	uint8_t *ptr = data;
447	gchar **args;
448	size_t i;
449
ea7697fc	450	qtest_sendf(s, "read 0x%" PRIx64 " 0x%zx\n", addr, size);
49ee3590 AL	451	args = qtest_rsp(s, 2);
	452
	453	for (i = 0; i < size; i++) {
	454	ptr[i] = hex2nib(args[1][2 + (i * 2)]) << 4;
	455	ptr[i] \|= hex2nib(args[1][2 + (i * 2) + 1]);
	456	}
	457
	458	g_strfreev(args);
	459	}
	460
	461	void qtest_add_func(const char str, void (fn))
	462	{
	463	gchar *path = g_strdup_printf("/%s/%s", qtest_get_arch(), str);
	464	g_test_add_func(path, fn);
	465	}
	466
	467	void qtest_memwrite(QTestState s, uint64_t addr, const void data, size_t size)
	468	{
	469	const uint8_t *ptr = data;
	470	size_t i;
	471
ea7697fc	472	qtest_sendf(s, "write 0x%" PRIx64 " 0x%zx 0x", addr, size);
49ee3590 AL	473	for (i = 0; i < size; i++) {
	474	qtest_sendf(s, "%02x", ptr[i]);
	475	}
	476	qtest_sendf(s, "\n");
	477	qtest_rsp(s, 0);
	478	}