root / hw / qdev-properties.c @ 9f59b566
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#include "sysemu.h" |
---|---|
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#include "net.h" |
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#include "qdev.h" |
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#include "qerror.h" |
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|
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void *qdev_get_prop_ptr(DeviceState *dev, Property *prop)
|
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{ |
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void *ptr = dev;
|
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ptr += prop->offset; |
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return ptr;
|
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} |
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|
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static uint32_t qdev_get_prop_mask(Property *prop)
|
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{ |
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assert(prop->info->type == PROP_TYPE_BIT); |
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return 0x1 << prop->bitnr; |
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} |
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|
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static void bit_prop_set(DeviceState *dev, Property *props, bool val) |
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{ |
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uint32_t *p = qdev_get_prop_ptr(dev, props); |
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uint32_t mask = qdev_get_prop_mask(props); |
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if (val)
|
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*p |= mask; |
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else
|
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*p &= ~mask; |
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} |
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|
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static void qdev_prop_cpy(DeviceState *dev, Property *props, void *src) |
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{ |
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if (props->info->type == PROP_TYPE_BIT) {
|
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bool *defval = src;
|
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bit_prop_set(dev, props, *defval); |
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} else {
|
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char *dst = qdev_get_prop_ptr(dev, props);
|
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memcpy(dst, src, props->info->size); |
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} |
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} |
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|
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/* Bit */
|
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static int parse_bit(DeviceState *dev, Property *prop, const char *str) |
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{ |
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if (!strncasecmp(str, "on", 2)) |
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bit_prop_set(dev, prop, true);
|
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else if (!strncasecmp(str, "off", 3)) |
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bit_prop_set(dev, prop, false);
|
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else
|
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return -EINVAL;
|
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return 0; |
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} |
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|
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static int print_bit(DeviceState *dev, Property *prop, char *dest, size_t len) |
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{ |
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uint8_t *p = qdev_get_prop_ptr(dev, prop); |
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return snprintf(dest, len, (*p & qdev_get_prop_mask(prop)) ? "on" : "off"); |
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} |
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|
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PropertyInfo qdev_prop_bit = { |
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.name = "on/off",
|
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.type = PROP_TYPE_BIT, |
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.size = sizeof(uint32_t),
|
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.parse = parse_bit, |
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.print = print_bit, |
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}; |
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|
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/* --- 8bit integer --- */
|
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|
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static int parse_uint8(DeviceState *dev, Property *prop, const char *str) |
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{ |
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uint8_t *ptr = qdev_get_prop_ptr(dev, prop); |
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const char *fmt; |
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|
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/* accept both hex and decimal */
|
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fmt = strncasecmp(str, "0x",2) == 0 ? "%" PRIx8 : "%" PRIu8; |
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if (sscanf(str, fmt, ptr) != 1) |
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return -EINVAL;
|
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return 0; |
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} |
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|
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static int print_uint8(DeviceState *dev, Property *prop, char *dest, size_t len) |
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{ |
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uint8_t *ptr = qdev_get_prop_ptr(dev, prop); |
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return snprintf(dest, len, "%" PRIu8, *ptr); |
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} |
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|
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PropertyInfo qdev_prop_uint8 = { |
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.name = "uint8",
|
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.type = PROP_TYPE_UINT8, |
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.size = sizeof(uint8_t),
|
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.parse = parse_uint8, |
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.print = print_uint8, |
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}; |
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|
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/* --- 16bit integer --- */
|
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|
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static int parse_uint16(DeviceState *dev, Property *prop, const char *str) |
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{ |
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uint16_t *ptr = qdev_get_prop_ptr(dev, prop); |
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const char *fmt; |
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|
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/* accept both hex and decimal */
|
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fmt = strncasecmp(str, "0x",2) == 0 ? "%" PRIx16 : "%" PRIu16; |
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if (sscanf(str, fmt, ptr) != 1) |
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return -EINVAL;
|
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return 0; |
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} |
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|
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static int print_uint16(DeviceState *dev, Property *prop, char *dest, size_t len) |
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{ |
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uint16_t *ptr = qdev_get_prop_ptr(dev, prop); |
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return snprintf(dest, len, "%" PRIu16, *ptr); |
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} |
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|
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PropertyInfo qdev_prop_uint16 = { |
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.name = "uint16",
|
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.type = PROP_TYPE_UINT16, |
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.size = sizeof(uint16_t),
|
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.parse = parse_uint16, |
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.print = print_uint16, |
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}; |
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|
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/* --- 32bit integer --- */
|
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|
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static int parse_uint32(DeviceState *dev, Property *prop, const char *str) |
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{ |
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uint32_t *ptr = qdev_get_prop_ptr(dev, prop); |
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const char *fmt; |
128 |
|
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/* accept both hex and decimal */
|
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fmt = strncasecmp(str, "0x",2) == 0 ? "%" PRIx32 : "%" PRIu32; |
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if (sscanf(str, fmt, ptr) != 1) |
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return -EINVAL;
|
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return 0; |
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} |
135 |
|
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static int print_uint32(DeviceState *dev, Property *prop, char *dest, size_t len) |
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{ |
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uint32_t *ptr = qdev_get_prop_ptr(dev, prop); |
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return snprintf(dest, len, "%" PRIu32, *ptr); |
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} |
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|
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PropertyInfo qdev_prop_uint32 = { |
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.name = "uint32",
|
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.type = PROP_TYPE_UINT32, |
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.size = sizeof(uint32_t),
|
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.parse = parse_uint32, |
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.print = print_uint32, |
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}; |
149 |
|
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static int parse_int32(DeviceState *dev, Property *prop, const char *str) |
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{ |
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int32_t *ptr = qdev_get_prop_ptr(dev, prop); |
153 |
|
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if (sscanf(str, "%" PRId32, ptr) != 1) |
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return -EINVAL;
|
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return 0; |
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} |
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|
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static int print_int32(DeviceState *dev, Property *prop, char *dest, size_t len) |
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{ |
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int32_t *ptr = qdev_get_prop_ptr(dev, prop); |
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return snprintf(dest, len, "%" PRId32, *ptr); |
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} |
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|
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PropertyInfo qdev_prop_int32 = { |
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.name = "int32",
|
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.type = PROP_TYPE_INT32, |
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.size = sizeof(int32_t),
|
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.parse = parse_int32, |
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.print = print_int32, |
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}; |
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|
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/* --- 32bit hex value --- */
|
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|
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static int parse_hex32(DeviceState *dev, Property *prop, const char *str) |
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{ |
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uint32_t *ptr = qdev_get_prop_ptr(dev, prop); |
178 |
|
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if (sscanf(str, "%" PRIx32, ptr) != 1) |
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return -EINVAL;
|
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return 0; |
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} |
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|
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static int print_hex32(DeviceState *dev, Property *prop, char *dest, size_t len) |
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{ |
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uint32_t *ptr = qdev_get_prop_ptr(dev, prop); |
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return snprintf(dest, len, "0x%" PRIx32, *ptr); |
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} |
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|
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PropertyInfo qdev_prop_hex32 = { |
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.name = "hex32",
|
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.type = PROP_TYPE_UINT32, |
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.size = sizeof(uint32_t),
|
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.parse = parse_hex32, |
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.print = print_hex32, |
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}; |
197 |
|
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/* --- 64bit integer --- */
|
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|
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static int parse_uint64(DeviceState *dev, Property *prop, const char *str) |
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{ |
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uint64_t *ptr = qdev_get_prop_ptr(dev, prop); |
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const char *fmt; |
204 |
|
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/* accept both hex and decimal */
|
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fmt = strncasecmp(str, "0x",2) == 0 ? "%" PRIx64 : "%" PRIu64; |
207 |
if (sscanf(str, fmt, ptr) != 1) |
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return -EINVAL;
|
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return 0; |
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} |
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|
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static int print_uint64(DeviceState *dev, Property *prop, char *dest, size_t len) |
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{ |
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uint64_t *ptr = qdev_get_prop_ptr(dev, prop); |
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return snprintf(dest, len, "%" PRIu64, *ptr); |
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} |
217 |
|
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PropertyInfo qdev_prop_uint64 = { |
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.name = "uint64",
|
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.type = PROP_TYPE_UINT64, |
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.size = sizeof(uint64_t),
|
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.parse = parse_uint64, |
223 |
.print = print_uint64, |
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}; |
225 |
|
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/* --- 64bit hex value --- */
|
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|
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static int parse_hex64(DeviceState *dev, Property *prop, const char *str) |
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{ |
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uint64_t *ptr = qdev_get_prop_ptr(dev, prop); |
231 |
|
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if (sscanf(str, "%" PRIx64, ptr) != 1) |
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return -EINVAL;
|
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return 0; |
235 |
} |
236 |
|
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static int print_hex64(DeviceState *dev, Property *prop, char *dest, size_t len) |
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{ |
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uint64_t *ptr = qdev_get_prop_ptr(dev, prop); |
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return snprintf(dest, len, "0x%" PRIx64, *ptr); |
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} |
242 |
|
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PropertyInfo qdev_prop_hex64 = { |
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.name = "hex64",
|
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.type = PROP_TYPE_UINT64, |
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.size = sizeof(uint64_t),
|
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.parse = parse_hex64, |
248 |
.print = print_hex64, |
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}; |
250 |
|
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/* --- string --- */
|
252 |
|
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static int parse_string(DeviceState *dev, Property *prop, const char *str) |
254 |
{ |
255 |
char **ptr = qdev_get_prop_ptr(dev, prop);
|
256 |
|
257 |
if (*ptr)
|
258 |
qemu_free(*ptr); |
259 |
*ptr = qemu_strdup(str); |
260 |
return 0; |
261 |
} |
262 |
|
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static int print_string(DeviceState *dev, Property *prop, char *dest, size_t len) |
264 |
{ |
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char **ptr = qdev_get_prop_ptr(dev, prop);
|
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if (!*ptr)
|
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return snprintf(dest, len, "<null>"); |
268 |
return snprintf(dest, len, "\"%s\"", *ptr); |
269 |
} |
270 |
|
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PropertyInfo qdev_prop_string = { |
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.name = "string",
|
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.type = PROP_TYPE_STRING, |
274 |
.size = sizeof(char*), |
275 |
.parse = parse_string, |
276 |
.print = print_string, |
277 |
}; |
278 |
|
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/* --- drive --- */
|
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|
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static int parse_drive(DeviceState *dev, Property *prop, const char *str) |
282 |
{ |
283 |
DriveInfo **ptr = qdev_get_prop_ptr(dev, prop); |
284 |
|
285 |
*ptr = drive_get_by_id(str); |
286 |
if (*ptr == NULL) |
287 |
return -ENOENT;
|
288 |
return 0; |
289 |
} |
290 |
|
291 |
static int print_drive(DeviceState *dev, Property *prop, char *dest, size_t len) |
292 |
{ |
293 |
DriveInfo **ptr = qdev_get_prop_ptr(dev, prop); |
294 |
return snprintf(dest, len, "%s", (*ptr) ? (*ptr)->id : "<null>"); |
295 |
} |
296 |
|
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PropertyInfo qdev_prop_drive = { |
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.name = "drive",
|
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.type = PROP_TYPE_DRIVE, |
300 |
.size = sizeof(DriveInfo*),
|
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.parse = parse_drive, |
302 |
.print = print_drive, |
303 |
}; |
304 |
|
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/* --- character device --- */
|
306 |
|
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static int parse_chr(DeviceState *dev, Property *prop, const char *str) |
308 |
{ |
309 |
CharDriverState **ptr = qdev_get_prop_ptr(dev, prop); |
310 |
|
311 |
*ptr = qemu_chr_find(str); |
312 |
if (*ptr == NULL) |
313 |
return -ENOENT;
|
314 |
return 0; |
315 |
} |
316 |
|
317 |
static int print_chr(DeviceState *dev, Property *prop, char *dest, size_t len) |
318 |
{ |
319 |
CharDriverState **ptr = qdev_get_prop_ptr(dev, prop); |
320 |
|
321 |
if (*ptr && (*ptr)->label) {
|
322 |
return snprintf(dest, len, "%s", (*ptr)->label); |
323 |
} else {
|
324 |
return snprintf(dest, len, "<null>"); |
325 |
} |
326 |
} |
327 |
|
328 |
PropertyInfo qdev_prop_chr = { |
329 |
.name = "chr",
|
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.type = PROP_TYPE_CHR, |
331 |
.size = sizeof(CharDriverState*),
|
332 |
.parse = parse_chr, |
333 |
.print = print_chr, |
334 |
}; |
335 |
|
336 |
/* --- netdev device --- */
|
337 |
|
338 |
static int parse_netdev(DeviceState *dev, Property *prop, const char *str) |
339 |
{ |
340 |
VLANClientState **ptr = qdev_get_prop_ptr(dev, prop); |
341 |
|
342 |
*ptr = qemu_find_netdev(str); |
343 |
if (*ptr == NULL) |
344 |
return -ENOENT;
|
345 |
if ((*ptr)->peer) {
|
346 |
return -EEXIST;
|
347 |
} |
348 |
return 0; |
349 |
} |
350 |
|
351 |
static int print_netdev(DeviceState *dev, Property *prop, char *dest, size_t len) |
352 |
{ |
353 |
VLANClientState **ptr = qdev_get_prop_ptr(dev, prop); |
354 |
|
355 |
if (*ptr && (*ptr)->name) {
|
356 |
return snprintf(dest, len, "%s", (*ptr)->name); |
357 |
} else {
|
358 |
return snprintf(dest, len, "<null>"); |
359 |
} |
360 |
} |
361 |
|
362 |
PropertyInfo qdev_prop_netdev = { |
363 |
.name = "netdev",
|
364 |
.type = PROP_TYPE_NETDEV, |
365 |
.size = sizeof(VLANClientState*),
|
366 |
.parse = parse_netdev, |
367 |
.print = print_netdev, |
368 |
}; |
369 |
|
370 |
/* --- vlan --- */
|
371 |
|
372 |
static int parse_vlan(DeviceState *dev, Property *prop, const char *str) |
373 |
{ |
374 |
VLANState **ptr = qdev_get_prop_ptr(dev, prop); |
375 |
int id;
|
376 |
|
377 |
if (sscanf(str, "%d", &id) != 1) |
378 |
return -EINVAL;
|
379 |
*ptr = qemu_find_vlan(id, 1);
|
380 |
if (*ptr == NULL) |
381 |
return -ENOENT;
|
382 |
return 0; |
383 |
} |
384 |
|
385 |
static int print_vlan(DeviceState *dev, Property *prop, char *dest, size_t len) |
386 |
{ |
387 |
VLANState **ptr = qdev_get_prop_ptr(dev, prop); |
388 |
|
389 |
if (*ptr) {
|
390 |
return snprintf(dest, len, "%d", (*ptr)->id); |
391 |
} else {
|
392 |
return snprintf(dest, len, "<null>"); |
393 |
} |
394 |
} |
395 |
|
396 |
PropertyInfo qdev_prop_vlan = { |
397 |
.name = "vlan",
|
398 |
.type = PROP_TYPE_VLAN, |
399 |
.size = sizeof(VLANClientState*),
|
400 |
.parse = parse_vlan, |
401 |
.print = print_vlan, |
402 |
}; |
403 |
|
404 |
/* --- pointer --- */
|
405 |
|
406 |
/* Not a proper property, just for dirty hacks. TODO Remove it! */
|
407 |
PropertyInfo qdev_prop_ptr = { |
408 |
.name = "ptr",
|
409 |
.type = PROP_TYPE_PTR, |
410 |
.size = sizeof(void*), |
411 |
}; |
412 |
|
413 |
/* --- mac address --- */
|
414 |
|
415 |
/*
|
416 |
* accepted syntax versions:
|
417 |
* 01:02:03:04:05:06
|
418 |
* 01-02-03-04-05-06
|
419 |
*/
|
420 |
static int parse_mac(DeviceState *dev, Property *prop, const char *str) |
421 |
{ |
422 |
MACAddr *mac = qdev_get_prop_ptr(dev, prop); |
423 |
int i, pos;
|
424 |
char *p;
|
425 |
|
426 |
for (i = 0, pos = 0; i < 6; i++, pos += 3) { |
427 |
if (!qemu_isxdigit(str[pos]))
|
428 |
return -EINVAL;
|
429 |
if (!qemu_isxdigit(str[pos+1])) |
430 |
return -EINVAL;
|
431 |
if (i == 5) { |
432 |
if (str[pos+2] != '\0') |
433 |
return -EINVAL;
|
434 |
} else {
|
435 |
if (str[pos+2] != ':' && str[pos+2] != '-') |
436 |
return -EINVAL;
|
437 |
} |
438 |
mac->a[i] = strtol(str+pos, &p, 16);
|
439 |
} |
440 |
return 0; |
441 |
} |
442 |
|
443 |
static int print_mac(DeviceState *dev, Property *prop, char *dest, size_t len) |
444 |
{ |
445 |
MACAddr *mac = qdev_get_prop_ptr(dev, prop); |
446 |
|
447 |
return snprintf(dest, len, "%02x:%02x:%02x:%02x:%02x:%02x", |
448 |
mac->a[0], mac->a[1], mac->a[2], |
449 |
mac->a[3], mac->a[4], mac->a[5]); |
450 |
} |
451 |
|
452 |
PropertyInfo qdev_prop_macaddr = { |
453 |
.name = "macaddr",
|
454 |
.type = PROP_TYPE_MACADDR, |
455 |
.size = sizeof(MACAddr),
|
456 |
.parse = parse_mac, |
457 |
.print = print_mac, |
458 |
}; |
459 |
|
460 |
/* --- pci address --- */
|
461 |
|
462 |
/*
|
463 |
* bus-local address, i.e. "$slot" or "$slot.$fn"
|
464 |
*/
|
465 |
static int parse_pci_devfn(DeviceState *dev, Property *prop, const char *str) |
466 |
{ |
467 |
uint32_t *ptr = qdev_get_prop_ptr(dev, prop); |
468 |
unsigned int slot, fn, n; |
469 |
|
470 |
if (sscanf(str, "%x.%x%n", &slot, &fn, &n) != 2) { |
471 |
fn = 0;
|
472 |
if (sscanf(str, "%x%n", &slot, &n) != 1) { |
473 |
return -EINVAL;
|
474 |
} |
475 |
} |
476 |
if (str[n] != '\0') |
477 |
return -EINVAL;
|
478 |
if (fn > 7) |
479 |
return -EINVAL;
|
480 |
*ptr = slot << 3 | fn;
|
481 |
return 0; |
482 |
} |
483 |
|
484 |
static int print_pci_devfn(DeviceState *dev, Property *prop, char *dest, size_t len) |
485 |
{ |
486 |
uint32_t *ptr = qdev_get_prop_ptr(dev, prop); |
487 |
|
488 |
if (*ptr == -1) { |
489 |
return snprintf(dest, len, "<unset>"); |
490 |
} else {
|
491 |
return snprintf(dest, len, "%02x.%x", *ptr >> 3, *ptr & 7); |
492 |
} |
493 |
} |
494 |
|
495 |
PropertyInfo qdev_prop_pci_devfn = { |
496 |
.name = "pci-devfn",
|
497 |
.type = PROP_TYPE_UINT32, |
498 |
.size = sizeof(uint32_t),
|
499 |
.parse = parse_pci_devfn, |
500 |
.print = print_pci_devfn, |
501 |
}; |
502 |
|
503 |
/* --- public helpers --- */
|
504 |
|
505 |
static Property *qdev_prop_walk(Property *props, const char *name) |
506 |
{ |
507 |
if (!props)
|
508 |
return NULL; |
509 |
while (props->name) {
|
510 |
if (strcmp(props->name, name) == 0) |
511 |
return props;
|
512 |
props++; |
513 |
} |
514 |
return NULL; |
515 |
} |
516 |
|
517 |
static Property *qdev_prop_find(DeviceState *dev, const char *name) |
518 |
{ |
519 |
Property *prop; |
520 |
|
521 |
/* device properties */
|
522 |
prop = qdev_prop_walk(dev->info->props, name); |
523 |
if (prop)
|
524 |
return prop;
|
525 |
|
526 |
/* bus properties */
|
527 |
prop = qdev_prop_walk(dev->parent_bus->info->props, name); |
528 |
if (prop)
|
529 |
return prop;
|
530 |
|
531 |
return NULL; |
532 |
} |
533 |
|
534 |
int qdev_prop_exists(DeviceState *dev, const char *name) |
535 |
{ |
536 |
return qdev_prop_find(dev, name) ? true : false; |
537 |
} |
538 |
|
539 |
int qdev_prop_parse(DeviceState *dev, const char *name, const char *value) |
540 |
{ |
541 |
Property *prop; |
542 |
int ret;
|
543 |
|
544 |
prop = qdev_prop_find(dev, name); |
545 |
/*
|
546 |
* TODO Properties without a parse method are just for dirty
|
547 |
* hacks. qdev_prop_ptr is the only such PropertyInfo. It's
|
548 |
* marked for removal. The test !prop->info->parse should be
|
549 |
* removed along with it.
|
550 |
*/
|
551 |
if (!prop || !prop->info->parse) {
|
552 |
qerror_report(QERR_PROPERTY_NOT_FOUND, dev->info->name, name); |
553 |
return -1; |
554 |
} |
555 |
ret = prop->info->parse(dev, prop, value); |
556 |
if (ret < 0) { |
557 |
switch (ret) {
|
558 |
case -EEXIST:
|
559 |
qerror_report(QERR_PROPERTY_VALUE_IN_USE, |
560 |
dev->info->name, name, value); |
561 |
break;
|
562 |
default:
|
563 |
case -EINVAL:
|
564 |
qerror_report(QERR_PROPERTY_VALUE_BAD, |
565 |
dev->info->name, name, value); |
566 |
break;
|
567 |
case -ENOENT:
|
568 |
qerror_report(QERR_PROPERTY_VALUE_NOT_FOUND, |
569 |
dev->info->name, name, value); |
570 |
break;
|
571 |
} |
572 |
return -1; |
573 |
} |
574 |
return 0; |
575 |
} |
576 |
|
577 |
void qdev_prop_set(DeviceState *dev, const char *name, void *src, enum PropertyType type) |
578 |
{ |
579 |
Property *prop; |
580 |
|
581 |
prop = qdev_prop_find(dev, name); |
582 |
if (!prop) {
|
583 |
fprintf(stderr, "%s: property \"%s.%s\" not found\n",
|
584 |
__FUNCTION__, dev->info->name, name); |
585 |
abort(); |
586 |
} |
587 |
if (prop->info->type != type) {
|
588 |
fprintf(stderr, "%s: property \"%s.%s\" type mismatch\n",
|
589 |
__FUNCTION__, dev->info->name, name); |
590 |
abort(); |
591 |
} |
592 |
qdev_prop_cpy(dev, prop, src); |
593 |
} |
594 |
|
595 |
void qdev_prop_set_uint8(DeviceState *dev, const char *name, uint8_t value) |
596 |
{ |
597 |
qdev_prop_set(dev, name, &value, PROP_TYPE_UINT8); |
598 |
} |
599 |
|
600 |
void qdev_prop_set_uint16(DeviceState *dev, const char *name, uint16_t value) |
601 |
{ |
602 |
qdev_prop_set(dev, name, &value, PROP_TYPE_UINT16); |
603 |
} |
604 |
|
605 |
void qdev_prop_set_uint32(DeviceState *dev, const char *name, uint32_t value) |
606 |
{ |
607 |
qdev_prop_set(dev, name, &value, PROP_TYPE_UINT32); |
608 |
} |
609 |
|
610 |
void qdev_prop_set_int32(DeviceState *dev, const char *name, int32_t value) |
611 |
{ |
612 |
qdev_prop_set(dev, name, &value, PROP_TYPE_INT32); |
613 |
} |
614 |
|
615 |
void qdev_prop_set_uint64(DeviceState *dev, const char *name, uint64_t value) |
616 |
{ |
617 |
qdev_prop_set(dev, name, &value, PROP_TYPE_UINT64); |
618 |
} |
619 |
|
620 |
void qdev_prop_set_drive(DeviceState *dev, const char *name, DriveInfo *value) |
621 |
{ |
622 |
qdev_prop_set(dev, name, &value, PROP_TYPE_DRIVE); |
623 |
} |
624 |
|
625 |
void qdev_prop_set_chr(DeviceState *dev, const char *name, CharDriverState *value) |
626 |
{ |
627 |
qdev_prop_set(dev, name, &value, PROP_TYPE_CHR); |
628 |
} |
629 |
|
630 |
void qdev_prop_set_netdev(DeviceState *dev, const char *name, VLANClientState *value) |
631 |
{ |
632 |
qdev_prop_set(dev, name, &value, PROP_TYPE_NETDEV); |
633 |
} |
634 |
|
635 |
void qdev_prop_set_vlan(DeviceState *dev, const char *name, VLANState *value) |
636 |
{ |
637 |
qdev_prop_set(dev, name, &value, PROP_TYPE_VLAN); |
638 |
} |
639 |
|
640 |
void qdev_prop_set_macaddr(DeviceState *dev, const char *name, uint8_t *value) |
641 |
{ |
642 |
qdev_prop_set(dev, name, value, PROP_TYPE_MACADDR); |
643 |
} |
644 |
|
645 |
void qdev_prop_set_ptr(DeviceState *dev, const char *name, void *value) |
646 |
{ |
647 |
qdev_prop_set(dev, name, &value, PROP_TYPE_PTR); |
648 |
} |
649 |
|
650 |
void qdev_prop_set_defaults(DeviceState *dev, Property *props)
|
651 |
{ |
652 |
if (!props)
|
653 |
return;
|
654 |
while (props->name) {
|
655 |
if (props->defval) {
|
656 |
qdev_prop_cpy(dev, props, props->defval); |
657 |
} |
658 |
props++; |
659 |
} |
660 |
} |
661 |
|
662 |
static QTAILQ_HEAD(, GlobalProperty) global_props = QTAILQ_HEAD_INITIALIZER(global_props);
|
663 |
|
664 |
void qdev_prop_register_global(GlobalProperty *prop)
|
665 |
{ |
666 |
QTAILQ_INSERT_TAIL(&global_props, prop, next); |
667 |
} |
668 |
|
669 |
void qdev_prop_register_global_list(GlobalProperty *props)
|
670 |
{ |
671 |
int i;
|
672 |
|
673 |
for (i = 0; props[i].driver != NULL; i++) { |
674 |
qdev_prop_register_global(props+i); |
675 |
} |
676 |
} |
677 |
|
678 |
void qdev_prop_set_globals(DeviceState *dev)
|
679 |
{ |
680 |
GlobalProperty *prop; |
681 |
|
682 |
QTAILQ_FOREACH(prop, &global_props, next) { |
683 |
if (strcmp(dev->info->name, prop->driver) != 0 && |
684 |
strcmp(dev->info->bus_info->name, prop->driver) != 0) {
|
685 |
continue;
|
686 |
} |
687 |
if (qdev_prop_parse(dev, prop->property, prop->value) != 0) { |
688 |
exit(1);
|
689 |
} |
690 |
} |
691 |
} |