[mirror_qemu.git] / hw / qdev-properties.c

#include "sysemu.h"
#include "qdev.h"

void *qdev_get_prop_ptr(DeviceState *dev, Property *prop)
{
    void *ptr = dev;
    ptr += prop->offset;
    return ptr;
}

/* --- 8bit integer --- */

static int parse_uint8(DeviceState *dev, Property *prop, const char *str)
{
    uint8_t *ptr = qdev_get_prop_ptr(dev, prop);
    const char *fmt;

    /* accept both hex and decimal */
    fmt = strncasecmp(str, "0x",2) == 0 ? "%" PRIx8 : "%" PRIu8;
    if (sscanf(str, fmt, ptr) != 1)
        return -1;
    return 0;
}

static int print_uint8(DeviceState *dev, Property *prop, char *dest, size_t len)
{
    uint8_t *ptr = qdev_get_prop_ptr(dev, prop);
    return snprintf(dest, len, "%" PRIu8, *ptr);
}

PropertyInfo qdev_prop_uint8 = {
    .name  = "uint8",
    .type  = PROP_TYPE_UINT8,
    .size  = sizeof(uint8_t),
    .parse = parse_uint8,
    .print = print_uint8,
};

/* --- 16bit integer --- */

static int parse_uint16(DeviceState *dev, Property *prop, const char *str)
{
    uint16_t *ptr = qdev_get_prop_ptr(dev, prop);
    const char *fmt;

    /* accept both hex and decimal */
    fmt = strncasecmp(str, "0x",2) == 0 ? "%" PRIx16 : "%" PRIu16;
    if (sscanf(str, fmt, ptr) != 1)
        return -1;
    return 0;
}

static int print_uint16(DeviceState *dev, Property *prop, char *dest, size_t len)
{
    uint16_t *ptr = qdev_get_prop_ptr(dev, prop);
    return snprintf(dest, len, "%" PRIu16, *ptr);
}

PropertyInfo qdev_prop_uint16 = {
    .name  = "uint16",
    .type  = PROP_TYPE_UINT16,
    .size  = sizeof(uint16_t),
    .parse = parse_uint16,
    .print = print_uint16,
};

/* --- 32bit integer --- */

static int parse_uint32(DeviceState *dev, Property *prop, const char *str)
{
    uint32_t *ptr = qdev_get_prop_ptr(dev, prop);
    const char *fmt;

    /* accept both hex and decimal */
    fmt = strncasecmp(str, "0x",2) == 0 ? "%" PRIx32 : "%" PRIu32;
    if (sscanf(str, fmt, ptr) != 1)
        return -1;
    return 0;
}

static int print_uint32(DeviceState *dev, Property *prop, char *dest, size_t len)
{
    uint32_t *ptr = qdev_get_prop_ptr(dev, prop);
    return snprintf(dest, len, "%" PRIu32, *ptr);
}

PropertyInfo qdev_prop_uint32 = {
    .name  = "uint32",
    .type  = PROP_TYPE_UINT32,
    .size  = sizeof(uint32_t),
    .parse = parse_uint32,
    .print = print_uint32,
};

static int parse_int32(DeviceState *dev, Property *prop, const char *str)
{
    int32_t *ptr = qdev_get_prop_ptr(dev, prop);

    if (sscanf(str, "%" PRId32, ptr) != 1)
        return -1;
    return 0;
}

static int print_int32(DeviceState *dev, Property *prop, char *dest, size_t len)
{
    int32_t *ptr = qdev_get_prop_ptr(dev, prop);
    return snprintf(dest, len, "%" PRId32, *ptr);
}

PropertyInfo qdev_prop_int32 = {
    .name  = "int32",
    .type  = PROP_TYPE_INT32,
    .size  = sizeof(int32_t),
    .parse = parse_int32,
    .print = print_int32,
};

/* --- 32bit hex value --- */

static int parse_hex32(DeviceState *dev, Property *prop, const char *str)
{
    uint32_t *ptr = qdev_get_prop_ptr(dev, prop);

    if (sscanf(str, "%" PRIx32, ptr) != 1)
        return -1;
    return 0;
}

static int print_hex32(DeviceState *dev, Property *prop, char *dest, size_t len)
{
    uint32_t *ptr = qdev_get_prop_ptr(dev, prop);
    return snprintf(dest, len, "0x%" PRIx32, *ptr);
}

PropertyInfo qdev_prop_hex32 = {
    .name  = "hex32",
    .type  = PROP_TYPE_UINT32,
    .size  = sizeof(uint32_t),
    .parse = parse_hex32,
    .print = print_hex32,
};

/* --- 64bit integer --- */

static int parse_uint64(DeviceState *dev, Property *prop, const char *str)
{
    uint64_t *ptr = qdev_get_prop_ptr(dev, prop);
    const char *fmt;

    /* accept both hex and decimal */
    fmt = strncasecmp(str, "0x",2) == 0 ? "%" PRIx64 : "%" PRIu64;
    if (sscanf(str, fmt, ptr) != 1)
        return -1;
    return 0;
}

static int print_uint64(DeviceState *dev, Property *prop, char *dest, size_t len)
{
    uint64_t *ptr = qdev_get_prop_ptr(dev, prop);
    return snprintf(dest, len, "%" PRIu64, *ptr);
}

PropertyInfo qdev_prop_uint64 = {
    .name  = "uint64",
    .type  = PROP_TYPE_UINT64,
    .size  = sizeof(uint64_t),
    .parse = parse_uint64,
    .print = print_uint64,
};

/* --- 64bit hex value --- */

static int parse_hex64(DeviceState *dev, Property *prop, const char *str)
{
    uint64_t *ptr = qdev_get_prop_ptr(dev, prop);

    if (sscanf(str, "%" PRIx64, ptr) != 1)
        return -1;
    return 0;
}

static int print_hex64(DeviceState *dev, Property *prop, char *dest, size_t len)
{
    uint64_t *ptr = qdev_get_prop_ptr(dev, prop);
    return snprintf(dest, len, "0x%" PRIx64, *ptr);
}

PropertyInfo qdev_prop_hex64 = {
    .name  = "hex64",
    .type  = PROP_TYPE_UINT64,
    .size  = sizeof(uint64_t),
    .parse = parse_hex64,
    .print = print_hex64,
};

/* --- drive --- */

static int parse_drive(DeviceState *dev, Property *prop, const char *str)
{
    DriveInfo **ptr = qdev_get_prop_ptr(dev, prop);

    *ptr = drive_get_by_id(str);
    if (*ptr == NULL)
        return -1;
    return 0;
}

static int print_drive(DeviceState *dev, Property *prop, char *dest, size_t len)
{
    DriveInfo **ptr = qdev_get_prop_ptr(dev, prop);
    return snprintf(dest, len, "%s", (*ptr) ? (*ptr)->id : "<null>");
}

PropertyInfo qdev_prop_drive = {
    .name  = "drive",
    .type  = PROP_TYPE_DRIVE,
    .size  = sizeof(DriveInfo*),
    .parse = parse_drive,
    .print = print_drive,
};

/* --- character device --- */

static int parse_chr(DeviceState *dev, Property *prop, const char *str)
{
    CharDriverState **ptr = qdev_get_prop_ptr(dev, prop);

    *ptr = qemu_chr_find(str);
    if (*ptr == NULL)
        return -1;
    return 0;
}

static int print_chr(DeviceState *dev, Property *prop, char *dest, size_t len)
{
    CharDriverState **ptr = qdev_get_prop_ptr(dev, prop);

    if (*ptr && (*ptr)->label) {
        return snprintf(dest, len, "%s", (*ptr)->label);
    } else {
        return snprintf(dest, len, "<null>");
    }
}

PropertyInfo qdev_prop_chr = {
    .name  = "chr",
    .type  = PROP_TYPE_CHR,
    .size  = sizeof(CharDriverState*),
    .parse = parse_chr,
    .print = print_chr,
};

/* --- pointer --- */

static int print_ptr(DeviceState *dev, Property *prop, char *dest, size_t len)
{
    void **ptr = qdev_get_prop_ptr(dev, prop);
    return snprintf(dest, len, "<%p>", *ptr);
}

PropertyInfo qdev_prop_ptr = {
    .name  = "ptr",
    .type  = PROP_TYPE_PTR,
    .size  = sizeof(void*),
    .print = print_ptr,
};

/* --- mac address --- */

/*
 * accepted syntax versions:
 *   01:02:03:04:05:06
 *   01-02-03-04-05-06
 */
static int parse_mac(DeviceState *dev, Property *prop, const char *str)
{
    uint8_t *mac = qdev_get_prop_ptr(dev, prop);
    int i, pos;
    char *p;

    for (i = 0, pos = 0; i < 6; i++, pos += 3) {
        if (!qemu_isxdigit(str[pos]))
            return -1;
        if (!qemu_isxdigit(str[pos+1]))
            return -1;
        if (i == 5 && str[pos+2] != '\0')
            return -1;
        if (str[pos+2] != ':' && str[pos+2] != '-')
            return -1;
        mac[i] = strtol(str+pos, &p, 16);
    }
    return 0;
}

static int print_mac(DeviceState *dev, Property *prop, char *dest, size_t len)
{
    uint8_t *mac = qdev_get_prop_ptr(dev, prop);
    return snprintf(dest, len, "%02x:%02x:%02x:%02x:%02x:%02x",
                    mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
}

PropertyInfo qdev_prop_macaddr = {
    .name  = "mac-addr",
    .type  = PROP_TYPE_MACADDR,
    .size  = 6,
    .parse = parse_mac,
    .print = print_mac,
};

/* --- pci address --- */

/*
 * bus-local address, i.e. "$slot" or "$slot.$fn"
 */
static int parse_pci_devfn(DeviceState *dev, Property *prop, const char *str)
{
    uint32_t *ptr = qdev_get_prop_ptr(dev, prop);
    unsigned int slot, fn, n;

    if (sscanf(str, "%x.%x%n", &slot, &fn, &n) != 2) {
        fn = 0;
        if (sscanf(str, "%x%n", &slot, &n) != 1) {
            return -1;
        }
    }
    if (str[n] != '\0')
        return -1;
    if (fn > 7)
        return -1;
    *ptr = slot << 3 | fn;
    return 0;
}

static int print_pci_devfn(DeviceState *dev, Property *prop, char *dest, size_t len)
{
    uint32_t *ptr = qdev_get_prop_ptr(dev, prop);

    if (*ptr == -1) {
        return snprintf(dest, len, "<unset>");
    } else {
        return snprintf(dest, len, "%02x.%x", *ptr >> 3, *ptr & 7);
    }
}

PropertyInfo qdev_prop_pci_devfn = {
    .name  = "pci-devfn",
    .type  = PROP_TYPE_UINT32,
    .size  = sizeof(uint32_t),
    .parse = parse_pci_devfn,
    .print = print_pci_devfn,
};

/* --- public helpers --- */

static Property *qdev_prop_walk(Property *props, const char *name)
{
    if (!props)
        return NULL;
    while (props->name) {
        if (strcmp(props->name, name) == 0)
            return props;
        props++;
    }
    return NULL;
}

static Property *qdev_prop_find(DeviceState *dev, const char *name)
{
    Property *prop;

    /* device properties */
    prop = qdev_prop_walk(dev->info->props, name);
    if (prop)
        return prop;

    /* bus properties */
    prop = qdev_prop_walk(dev->parent_bus->info->props, name);
    if (prop)
        return prop;

    return NULL;
}

int qdev_prop_parse(DeviceState *dev, const char *name, const char *value)
{
    Property *prop;

    prop = qdev_prop_find(dev, name);
    if (!prop) {
        fprintf(stderr, "property \"%s.%s\" not found\n",
                dev->info->name, name);
        return -1;
    }
    if (!prop->info->parse) {
        fprintf(stderr, "property \"%s.%s\" has no parser\n",
                dev->info->name, name);
        return -1;
    }
    return prop->info->parse(dev, prop, value);
}

void qdev_prop_set(DeviceState *dev, const char *name, void *src, enum PropertyType type)
{
    Property *prop;
    void *dst;

    prop = qdev_prop_find(dev, name);
    if (!prop) {
        fprintf(stderr, "%s: property \"%s.%s\" not found\n",
                __FUNCTION__, dev->info->name, name);
        abort();
    }
    if (prop->info->type != type) {
        fprintf(stderr, "%s: property \"%s.%s\" type mismatch\n",
                __FUNCTION__, dev->info->name, name);
        abort();
    }
    dst = qdev_get_prop_ptr(dev, prop);
    memcpy(dst, src, prop->info->size);
}

void qdev_prop_set_uint8(DeviceState *dev, const char *name, uint8_t value)
{
    qdev_prop_set(dev, name, &value, PROP_TYPE_UINT8);
}

void qdev_prop_set_uint16(DeviceState *dev, const char *name, uint16_t value)
{
    qdev_prop_set(dev, name, &value, PROP_TYPE_UINT16);
}

void qdev_prop_set_uint32(DeviceState *dev, const char *name, uint32_t value)
{
    qdev_prop_set(dev, name, &value, PROP_TYPE_UINT32);
}

void qdev_prop_set_int32(DeviceState *dev, const char *name, int32_t value)
{
    qdev_prop_set(dev, name, &value, PROP_TYPE_INT32);
}

void qdev_prop_set_uint64(DeviceState *dev, const char *name, uint64_t value)
{
    qdev_prop_set(dev, name, &value, PROP_TYPE_UINT64);
}

void qdev_prop_set_drive(DeviceState *dev, const char *name, DriveInfo *value)
{
    qdev_prop_set(dev, name, &value, PROP_TYPE_DRIVE);
}

void qdev_prop_set_chr(DeviceState *dev, const char *name, CharDriverState *value)
{
    qdev_prop_set(dev, name, &value, PROP_TYPE_CHR);
}

void qdev_prop_set_ptr(DeviceState *dev, const char *name, void *value)
{
    qdev_prop_set(dev, name, &value, PROP_TYPE_PTR);
}

void qdev_prop_set_defaults(DeviceState *dev, Property *props)
{
    char *dst;

    if (!props)
        return;
    while (props->name) {
        if (props->defval) {
            dst = qdev_get_prop_ptr(dev, props);
            memcpy(dst, props->defval, props->info->size);
        }
        props++;
    }
}

static CompatProperty *compat_props;

void qdev_prop_register_compat(CompatProperty *props)
{
    compat_props = props;
}

void qdev_prop_set_compat(DeviceState *dev)
{
    CompatProperty *prop;

    if (!compat_props) {
        return;
    }
    for (prop = compat_props; prop->driver != NULL; prop++) {
        if (strcmp(dev->info->name, prop->driver) != 0) {
            continue;
        }
        if (qdev_prop_parse(dev, prop->property, prop->value) != 0) {
            abort();
        }
    }
}
Commit	Line	Data
14b41872	1	#include "sysemu.h"
ee6847d1 GH	2	#include "qdev.h"
	3
	4	void qdev_get_prop_ptr(DeviceState dev, Property *prop)
	5	{
	6	void *ptr = dev;
	7	ptr += prop->offset;
	8	return ptr;
	9	}
	10
c7cc172d JQ	11	/* --- 8bit integer --- */
	12
	13	static int parse_uint8(DeviceState dev, Property prop, const char *str)
	14	{
	15	uint8_t *ptr = qdev_get_prop_ptr(dev, prop);
	16	const char *fmt;
	17
	18	/* accept both hex and decimal */
	19	fmt = strncasecmp(str, "0x",2) == 0 ? "%" PRIx8 : "%" PRIu8;
	20	if (sscanf(str, fmt, ptr) != 1)
	21	return -1;
	22	return 0;
	23	}
	24
	25	static int print_uint8(DeviceState dev, Property prop, char *dest, size_t len)
	26	{
	27	uint8_t *ptr = qdev_get_prop_ptr(dev, prop);
	28	return snprintf(dest, len, "%" PRIu8, *ptr);
	29	}
	30
	31	PropertyInfo qdev_prop_uint8 = {
	32	.name = "uint8",
	33	.type = PROP_TYPE_UINT8,
	34	.size = sizeof(uint8_t),
	35	.parse = parse_uint8,
	36	.print = print_uint8,
	37	};
	38
ee6847d1 GH	39	/* --- 16bit integer --- */
	40
	41	static int parse_uint16(DeviceState dev, Property prop, const char *str)
	42	{
	43	uint16_t *ptr = qdev_get_prop_ptr(dev, prop);
	44	const char *fmt;
	45
	46	/* accept both hex and decimal */
	47	fmt = strncasecmp(str, "0x",2) == 0 ? "%" PRIx16 : "%" PRIu16;
	48	if (sscanf(str, fmt, ptr) != 1)
	49	return -1;
	50	return 0;
	51	}
	52
	53	static int print_uint16(DeviceState dev, Property prop, char *dest, size_t len)
	54	{
	55	uint16_t *ptr = qdev_get_prop_ptr(dev, prop);
	56	return snprintf(dest, len, "%" PRIu16, *ptr);
	57	}
	58
	59	PropertyInfo qdev_prop_uint16 = {
	60	.name = "uint16",
	61	.type = PROP_TYPE_UINT16,
	62	.size = sizeof(uint16_t),
	63	.parse = parse_uint16,
	64	.print = print_uint16,
	65	};
	66
	67	/* --- 32bit integer --- */
	68
	69	static int parse_uint32(DeviceState dev, Property prop, const char *str)
	70	{
	71	uint32_t *ptr = qdev_get_prop_ptr(dev, prop);
	72	const char *fmt;
	73
	74	/* accept both hex and decimal */
	75	fmt = strncasecmp(str, "0x",2) == 0 ? "%" PRIx32 : "%" PRIu32;
	76	if (sscanf(str, fmt, ptr) != 1)
	77	return -1;
	78	return 0;
	79	}
	80
	81	static int print_uint32(DeviceState dev, Property prop, char *dest, size_t len)
	82	{
	83	uint32_t *ptr = qdev_get_prop_ptr(dev, prop);
	84	return snprintf(dest, len, "%" PRIu32, *ptr);
	85	}
	86
	87	PropertyInfo qdev_prop_uint32 = {
	88	.name = "uint32",
	89	.type = PROP_TYPE_UINT32,
	90	.size = sizeof(uint32_t),
	91	.parse = parse_uint32,
	92	.print = print_uint32,
	93	};
	94
316940b0 GH	95	static int parse_int32(DeviceState dev, Property prop, const char *str)
	96	{
	97	int32_t *ptr = qdev_get_prop_ptr(dev, prop);
	98
	99	if (sscanf(str, "%" PRId32, ptr) != 1)
	100	return -1;
	101	return 0;
	102	}
	103
	104	static int print_int32(DeviceState dev, Property prop, char *dest, size_t len)
	105	{
	106	int32_t *ptr = qdev_get_prop_ptr(dev, prop);
	107	return snprintf(dest, len, "%" PRId32, *ptr);
	108	}
	109
	110	PropertyInfo qdev_prop_int32 = {
	111	.name = "int32",
	112	.type = PROP_TYPE_INT32,
	113	.size = sizeof(int32_t),
	114	.parse = parse_int32,
	115	.print = print_int32,
	116	};
	117
ee6847d1 GH	118	/* --- 32bit hex value --- */
	119
	120	static int parse_hex32(DeviceState dev, Property prop, const char *str)
	121	{
	122	uint32_t *ptr = qdev_get_prop_ptr(dev, prop);
	123
	124	if (sscanf(str, "%" PRIx32, ptr) != 1)
	125	return -1;
	126	return 0;
	127	}
	128
	129	static int print_hex32(DeviceState dev, Property prop, char *dest, size_t len)
	130	{
	131	uint32_t *ptr = qdev_get_prop_ptr(dev, prop);
	132	return snprintf(dest, len, "0x%" PRIx32, *ptr);
	133	}
	134
	135	PropertyInfo qdev_prop_hex32 = {
	136	.name = "hex32",
	137	.type = PROP_TYPE_UINT32,
	138	.size = sizeof(uint32_t),
	139	.parse = parse_hex32,
	140	.print = print_hex32,
	141	};
	142
5a053d1f BS	143	/* --- 64bit integer --- */
	144
	145	static int parse_uint64(DeviceState dev, Property prop, const char *str)
	146	{
	147	uint64_t *ptr = qdev_get_prop_ptr(dev, prop);
	148	const char *fmt;
	149
	150	/* accept both hex and decimal */
	151	fmt = strncasecmp(str, "0x",2) == 0 ? "%" PRIx64 : "%" PRIu64;
	152	if (sscanf(str, fmt, ptr) != 1)
	153	return -1;
	154	return 0;
	155	}
	156
	157	static int print_uint64(DeviceState dev, Property prop, char *dest, size_t len)
	158	{
	159	uint64_t *ptr = qdev_get_prop_ptr(dev, prop);
	160	return snprintf(dest, len, "%" PRIu64, *ptr);
	161	}
	162
	163	PropertyInfo qdev_prop_uint64 = {
	164	.name = "uint64",
	165	.type = PROP_TYPE_UINT64,
	166	.size = sizeof(uint64_t),
	167	.parse = parse_uint64,
	168	.print = print_uint64,
	169	};
	170
	171	/* --- 64bit hex value --- */
	172
	173	static int parse_hex64(DeviceState dev, Property prop, const char *str)
	174	{
	175	uint64_t *ptr = qdev_get_prop_ptr(dev, prop);
	176
	177	if (sscanf(str, "%" PRIx64, ptr) != 1)
	178	return -1;
	179	return 0;
	180	}
	181
	182	static int print_hex64(DeviceState dev, Property prop, char *dest, size_t len)
	183	{
	184	uint64_t *ptr = qdev_get_prop_ptr(dev, prop);
	185	return snprintf(dest, len, "0x%" PRIx64, *ptr);
	186	}
	187
	188	PropertyInfo qdev_prop_hex64 = {
	189	.name = "hex64",
	190	.type = PROP_TYPE_UINT64,
	191	.size = sizeof(uint64_t),
	192	.parse = parse_hex64,
	193	.print = print_hex64,
	194	};
	195
14b41872 GH	196	/* --- drive --- */
	197
	198	static int parse_drive(DeviceState dev, Property prop, const char *str)
	199	{
	200	DriveInfo **ptr = qdev_get_prop_ptr(dev, prop);
	201
	202	*ptr = drive_get_by_id(str);
	203	if (*ptr == NULL)
	204	return -1;
	205	return 0;
	206	}
	207
	208	static int print_drive(DeviceState dev, Property prop, char *dest, size_t len)
	209	{
	210	DriveInfo **ptr = qdev_get_prop_ptr(dev, prop);
41b5e892	211	return snprintf(dest, len, "%s", (ptr) ? (ptr)->id : "<null>");
14b41872 GH	212	}
	213
	214	PropertyInfo qdev_prop_drive = {
	215	.name = "drive",
	216	.type = PROP_TYPE_DRIVE,
	217	.size = sizeof(DriveInfo*),
	218	.parse = parse_drive,
	219	.print = print_drive,
	220	};
	221
313feaab GH	222	/* --- character device --- */
313feaab GH	223
06113719 GH	224	static int parse_chr(DeviceState dev, Property prop, const char *str)
	225	{
	226	CharDriverState **ptr = qdev_get_prop_ptr(dev, prop);
	227
	228	*ptr = qemu_chr_find(str);
	229	if (*ptr == NULL)
	230	return -1;
	231	return 0;
	232	}
	233
313feaab GH	234	static int print_chr(DeviceState dev, Property prop, char *dest, size_t len)
	235	{
	236	CharDriverState **ptr = qdev_get_prop_ptr(dev, prop);
bc19fcaa BS	237
	238	if (ptr && (ptr)->label) {
	239	return snprintf(dest, len, "%s", (*ptr)->label);
	240	} else {
	241	return snprintf(dest, len, "<null>");
	242	}
313feaab GH	243	}
	244
	245	PropertyInfo qdev_prop_chr = {
	246	.name = "chr",
	247	.type = PROP_TYPE_CHR,
	248	.size = sizeof(CharDriverState*),
06113719	249	.parse = parse_chr,
313feaab GH	250	.print = print_chr,
	251	};
	252
ee6847d1 GH	253	/* --- pointer --- */
	254
	255	static int print_ptr(DeviceState dev, Property prop, char *dest, size_t len)
	256	{
	257	void **ptr = qdev_get_prop_ptr(dev, prop);
	258	return snprintf(dest, len, "<%p>", *ptr);
	259	}
	260
	261	PropertyInfo qdev_prop_ptr = {
	262	.name = "ptr",
	263	.type = PROP_TYPE_PTR,
	264	.size = sizeof(void*),
	265	.print = print_ptr,
	266	};
	267
	268	/* --- mac address --- */
	269
	270	/*
	271	* accepted syntax versions:
	272	* 01:02:03:04:05:06
	273	* 01-02-03-04-05-06
	274	*/
	275	static int parse_mac(DeviceState dev, Property prop, const char *str)
	276	{
	277	uint8_t *mac = qdev_get_prop_ptr(dev, prop);
	278	int i, pos;
	279	char *p;
	280
	281	for (i = 0, pos = 0; i < 6; i++, pos += 3) {
88e150a5	282	if (!qemu_isxdigit(str[pos]))
ee6847d1	283	return -1;
88e150a5	284	if (!qemu_isxdigit(str[pos+1]))
ee6847d1 GH	285	return -1;
	286	if (i == 5 && str[pos+2] != '\0')
	287	return -1;
	288	if (str[pos+2] != ':' && str[pos+2] != '-')
	289	return -1;
	290	mac[i] = strtol(str+pos, &p, 16);
	291	}
	292	return 0;
	293	}
	294
	295	static int print_mac(DeviceState dev, Property prop, char *dest, size_t len)
	296	{
	297	uint8_t *mac = qdev_get_prop_ptr(dev, prop);
	298	return snprintf(dest, len, "%02x:%02x:%02x:%02x:%02x:%02x",
	299	mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
	300	}
	301
	302	PropertyInfo qdev_prop_macaddr = {
	303	.name = "mac-addr",
	304	.type = PROP_TYPE_MACADDR,
	305	.size = 6,
	306	.parse = parse_mac,
	307	.print = print_mac,
	308	};
	309
05cb5fe4 GH	310	/* --- pci address --- */
	311
	312	/*
	313	* bus-local address, i.e. "$slot" or "$slot.$fn"
	314	*/
	315	static int parse_pci_devfn(DeviceState dev, Property prop, const char *str)
	316	{
	317	uint32_t *ptr = qdev_get_prop_ptr(dev, prop);
	318	unsigned int slot, fn, n;
	319
	320	if (sscanf(str, "%x.%x%n", &slot, &fn, &n) != 2) {
	321	fn = 0;
	322	if (sscanf(str, "%x%n", &slot, &n) != 1) {
	323	return -1;
	324	}
	325	}
	326	if (str[n] != '\0')
	327	return -1;
	328	if (fn > 7)
	329	return -1;
	330	*ptr = slot << 3 \| fn;
	331	return 0;
	332	}
	333
	334	static int print_pci_devfn(DeviceState dev, Property prop, char *dest, size_t len)
	335	{
	336	uint32_t *ptr = qdev_get_prop_ptr(dev, prop);
	337
73538c31	338	if (*ptr == -1) {
05cb5fe4 GH	339	return snprintf(dest, len, "<unset>");
	340	} else {
	341	return snprintf(dest, len, "%02x.%x", ptr >> 3, ptr & 7);
	342	}
	343	}
	344
	345	PropertyInfo qdev_prop_pci_devfn = {
	346	.name = "pci-devfn",
	347	.type = PROP_TYPE_UINT32,
	348	.size = sizeof(uint32_t),
	349	.parse = parse_pci_devfn,
	350	.print = print_pci_devfn,
	351	};
	352
ee6847d1 GH	353	/* --- public helpers --- */
	354
	355	static Property qdev_prop_walk(Property props, const char *name)
	356	{
	357	if (!props)
	358	return NULL;
	359	while (props->name) {
	360	if (strcmp(props->name, name) == 0)
	361	return props;
	362	props++;
	363	}
	364	return NULL;
	365	}
	366
	367	static Property qdev_prop_find(DeviceState dev, const char *name)
	368	{
	369	Property *prop;
	370
	371	/* device properties */
	372	prop = qdev_prop_walk(dev->info->props, name);
	373	if (prop)
	374	return prop;
	375
	376	/* bus properties */
	377	prop = qdev_prop_walk(dev->parent_bus->info->props, name);
	378	if (prop)
	379	return prop;
	380
	381	return NULL;
	382	}
	383
	384	int qdev_prop_parse(DeviceState dev, const char name, const char *value)
	385	{
	386	Property *prop;
	387
	388	prop = qdev_prop_find(dev, name);
	389	if (!prop) {
	390	fprintf(stderr, "property \"%s.%s\" not found\n",
	391	dev->info->name, name);
	392	return -1;
	393	}
	394	if (!prop->info->parse) {
	395	fprintf(stderr, "property \"%s.%s\" has no parser\n",
	396	dev->info->name, name);
	397	return -1;
	398	}
	399	return prop->info->parse(dev, prop, value);
	400	}
	401
	402	void qdev_prop_set(DeviceState dev, const char name, void *src, enum PropertyType type)
	403	{
	404	Property *prop;
	405	void *dst;
	406
	407	prop = qdev_prop_find(dev, name);
	408	if (!prop) {
	409	fprintf(stderr, "%s: property \"%s.%s\" not found\n",
	410	__FUNCTION__, dev->info->name, name);
	411	abort();
	412	}
	413	if (prop->info->type != type) {
	414	fprintf(stderr, "%s: property \"%s.%s\" type mismatch\n",
	415	__FUNCTION__, dev->info->name, name);
	416	abort();
417	}
418	dst = qdev_get_prop_ptr(dev, prop);
419	memcpy(dst, src, prop->info->size);
420	}
421
c7cc172d JQ	422	void qdev_prop_set_uint8(DeviceState dev, const char name, uint8_t value)
	423	{
	424	qdev_prop_set(dev, name, &value, PROP_TYPE_UINT8);
	425	}
	426
ee6847d1 GH	427	void qdev_prop_set_uint16(DeviceState dev, const char name, uint16_t value)
	428	{
	429	qdev_prop_set(dev, name, &value, PROP_TYPE_UINT16);
	430	}
	431
	432	void qdev_prop_set_uint32(DeviceState dev, const char name, uint32_t value)
	433	{
	434	qdev_prop_set(dev, name, &value, PROP_TYPE_UINT32);
	435	}
	436
316940b0 GH	437	void qdev_prop_set_int32(DeviceState dev, const char name, int32_t value)
	438	{
	439	qdev_prop_set(dev, name, &value, PROP_TYPE_INT32);
	440	}
	441
5a053d1f BS	442	void qdev_prop_set_uint64(DeviceState dev, const char name, uint64_t value)
	443	{
	444	qdev_prop_set(dev, name, &value, PROP_TYPE_UINT64);
	445	}
	446
14b41872 GH	447	void qdev_prop_set_drive(DeviceState dev, const char name, DriveInfo *value)
	448	{
	449	qdev_prop_set(dev, name, &value, PROP_TYPE_DRIVE);
	450	}
	451
313feaab GH	452	void qdev_prop_set_chr(DeviceState dev, const char name, CharDriverState *value)
	453	{
	454	qdev_prop_set(dev, name, &value, PROP_TYPE_CHR);
	455	}
	456
ee6847d1 GH	457	void qdev_prop_set_ptr(DeviceState dev, const char name, void *value)
	458	{
	459	qdev_prop_set(dev, name, &value, PROP_TYPE_PTR);
	460	}
	461
	462	void qdev_prop_set_defaults(DeviceState dev, Property props)
	463	{
	464	char *dst;
	465
	466	if (!props)
	467	return;
	468	while (props->name) {
	469	if (props->defval) {
	470	dst = qdev_get_prop_ptr(dev, props);
	471	memcpy(dst, props->defval, props->info->size);
	472	}
	473	props++;
	474	}
	475	}
	476
b6b61144 GH	477	static CompatProperty *compat_props;
	478
	479	void qdev_prop_register_compat(CompatProperty *props)
	480	{
	481	compat_props = props;
	482	}
	483
	484	void qdev_prop_set_compat(DeviceState *dev)
	485	{
	486	CompatProperty *prop;
	487
	488	if (!compat_props) {
	489	return;
	490	}
	491	for (prop = compat_props; prop->driver != NULL; prop++) {
	492	if (strcmp(dev->info->name, prop->driver) != 0) {
	493	continue;
	494	}
	495	if (qdev_prop_parse(dev, prop->property, prop->value) != 0) {
	496	abort();
	497	}
	498	}
	499	}