root / hw / qdev-properties.c @ 0200db65
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| 1 |
#include "net.h" |
|---|---|
| 2 |
#include "qdev.h" |
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#include "qerror.h" |
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#include "blockdev.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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} |
| 18 |
|
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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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} |
| 28 |
|
| 29 |
static void qdev_prop_cpy(DeviceState *dev, Property *props, void *src) |
| 30 |
{
|
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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); |
| 34 |
} 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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} |
| 39 |
|
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/* Bit */
|
| 41 |
static int parse_bit(DeviceState *dev, Property *prop, const char *str) |
| 42 |
{
|
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if (!strncasecmp(str, "on", 2)) |
| 44 |
bit_prop_set(dev, prop, true);
|
| 45 |
else if (!strncasecmp(str, "off", 3)) |
| 46 |
bit_prop_set(dev, prop, false);
|
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else
|
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return -EINVAL;
|
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return 0; |
| 50 |
} |
| 51 |
|
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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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uint32_t *p = qdev_get_prop_ptr(dev, prop); |
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return snprintf(dest, len, (*p & qdev_get_prop_mask(prop)) ? "on" : "off"); |
| 56 |
} |
| 57 |
|
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PropertyInfo qdev_prop_bit = {
|
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.name = "on/off",
|
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.type = PROP_TYPE_BIT, |
| 61 |
.size = sizeof(uint32_t),
|
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.parse = parse_bit, |
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.print = print_bit, |
| 64 |
}; |
| 65 |
|
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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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char *end;
|
| 72 |
|
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/* accept both hex and decimal */
|
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*ptr = strtoul(str, &end, 0);
|
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if ((*end != '\0') || (end == str)) { |
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return -EINVAL;
|
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} |
| 78 |
|
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return 0; |
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} |
| 81 |
|
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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); |
| 86 |
} |
| 87 |
|
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PropertyInfo qdev_prop_uint8 = {
|
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.name = "uint8",
|
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.type = PROP_TYPE_UINT8, |
| 91 |
.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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char *end;
|
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|
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/* accept both hex and decimal */
|
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*ptr = strtoul(str, &end, 0);
|
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if ((*end != '\0') || (end == str)) { |
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return -EINVAL;
|
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} |
| 108 |
|
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return 0; |
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} |
| 111 |
|
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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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}; |
| 125 |
|
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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) |
| 129 |
{
|
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uint32_t *ptr = qdev_get_prop_ptr(dev, prop); |
| 131 |
char *end;
|
| 132 |
|
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/* accept both hex and decimal */
|
| 134 |
*ptr = strtoul(str, &end, 0);
|
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if ((*end != '\0') || (end == str)) { |
| 136 |
return -EINVAL;
|
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} |
| 138 |
|
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return 0; |
| 140 |
} |
| 141 |
|
| 142 |
static int print_uint32(DeviceState *dev, Property *prop, char *dest, size_t len) |
| 143 |
{
|
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uint32_t *ptr = qdev_get_prop_ptr(dev, prop); |
| 145 |
return snprintf(dest, len, "%" PRIu32, *ptr); |
| 146 |
} |
| 147 |
|
| 148 |
PropertyInfo qdev_prop_uint32 = {
|
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.name = "uint32",
|
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.type = PROP_TYPE_UINT32, |
| 151 |
.size = sizeof(uint32_t),
|
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.parse = parse_uint32, |
| 153 |
.print = print_uint32, |
| 154 |
}; |
| 155 |
|
| 156 |
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); |
| 159 |
char *end;
|
| 160 |
|
| 161 |
*ptr = strtol(str, &end, 10);
|
| 162 |
if ((*end != '\0') || (end == str)) { |
| 163 |
return -EINVAL;
|
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} |
| 165 |
|
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return 0; |
| 167 |
} |
| 168 |
|
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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); |
| 173 |
} |
| 174 |
|
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PropertyInfo qdev_prop_int32 = {
|
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.name = "int32",
|
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.type = PROP_TYPE_INT32, |
| 178 |
.size = sizeof(int32_t),
|
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.parse = parse_int32, |
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.print = print_int32, |
| 181 |
}; |
| 182 |
|
| 183 |
/* --- 32bit hex value --- */
|
| 184 |
|
| 185 |
static int parse_hex32(DeviceState *dev, Property *prop, const char *str) |
| 186 |
{
|
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uint32_t *ptr = qdev_get_prop_ptr(dev, prop); |
| 188 |
char *end;
|
| 189 |
|
| 190 |
*ptr = strtoul(str, &end, 16);
|
| 191 |
if ((*end != '\0') || (end == str)) { |
| 192 |
return -EINVAL;
|
| 193 |
} |
| 194 |
|
| 195 |
return 0; |
| 196 |
} |
| 197 |
|
| 198 |
static int print_hex32(DeviceState *dev, Property *prop, char *dest, size_t len) |
| 199 |
{
|
| 200 |
uint32_t *ptr = qdev_get_prop_ptr(dev, prop); |
| 201 |
return snprintf(dest, len, "0x%" PRIx32, *ptr); |
| 202 |
} |
| 203 |
|
| 204 |
PropertyInfo qdev_prop_hex32 = {
|
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.name = "hex32",
|
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.type = PROP_TYPE_UINT32, |
| 207 |
.size = sizeof(uint32_t),
|
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.parse = parse_hex32, |
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.print = print_hex32, |
| 210 |
}; |
| 211 |
|
| 212 |
/* --- 64bit integer --- */
|
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|
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static int parse_uint64(DeviceState *dev, Property *prop, const char *str) |
| 215 |
{
|
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uint64_t *ptr = qdev_get_prop_ptr(dev, prop); |
| 217 |
char *end;
|
| 218 |
|
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/* accept both hex and decimal */
|
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*ptr = strtoull(str, &end, 0);
|
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if ((*end != '\0') || (end == str)) { |
| 222 |
return -EINVAL;
|
| 223 |
} |
| 224 |
|
| 225 |
return 0; |
| 226 |
} |
| 227 |
|
| 228 |
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); |
| 231 |
return snprintf(dest, len, "%" PRIu64, *ptr); |
| 232 |
} |
| 233 |
|
| 234 |
PropertyInfo qdev_prop_uint64 = {
|
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.name = "uint64",
|
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.type = PROP_TYPE_UINT64, |
| 237 |
.size = sizeof(uint64_t),
|
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.parse = parse_uint64, |
| 239 |
.print = print_uint64, |
| 240 |
}; |
| 241 |
|
| 242 |
/* --- 64bit hex value --- */
|
| 243 |
|
| 244 |
static int parse_hex64(DeviceState *dev, Property *prop, const char *str) |
| 245 |
{
|
| 246 |
uint64_t *ptr = qdev_get_prop_ptr(dev, prop); |
| 247 |
char *end;
|
| 248 |
|
| 249 |
*ptr = strtoull(str, &end, 16);
|
| 250 |
if ((*end != '\0') || (end == str)) { |
| 251 |
return -EINVAL;
|
| 252 |
} |
| 253 |
|
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return 0; |
| 255 |
} |
| 256 |
|
| 257 |
static int print_hex64(DeviceState *dev, Property *prop, char *dest, size_t len) |
| 258 |
{
|
| 259 |
uint64_t *ptr = qdev_get_prop_ptr(dev, prop); |
| 260 |
return snprintf(dest, len, "0x%" PRIx64, *ptr); |
| 261 |
} |
| 262 |
|
| 263 |
PropertyInfo qdev_prop_hex64 = {
|
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.name = "hex64",
|
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.type = PROP_TYPE_UINT64, |
| 266 |
.size = sizeof(uint64_t),
|
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.parse = parse_hex64, |
| 268 |
.print = print_hex64, |
| 269 |
}; |
| 270 |
|
| 271 |
/* --- string --- */
|
| 272 |
|
| 273 |
static int parse_string(DeviceState *dev, Property *prop, const char *str) |
| 274 |
{
|
| 275 |
char **ptr = qdev_get_prop_ptr(dev, prop);
|
| 276 |
|
| 277 |
if (*ptr)
|
| 278 |
g_free(*ptr); |
| 279 |
*ptr = g_strdup(str); |
| 280 |
return 0; |
| 281 |
} |
| 282 |
|
| 283 |
static void free_string(DeviceState *dev, Property *prop) |
| 284 |
{
|
| 285 |
g_free(*(char **)qdev_get_prop_ptr(dev, prop));
|
| 286 |
} |
| 287 |
|
| 288 |
static int print_string(DeviceState *dev, Property *prop, char *dest, size_t len) |
| 289 |
{
|
| 290 |
char **ptr = qdev_get_prop_ptr(dev, prop);
|
| 291 |
if (!*ptr)
|
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return snprintf(dest, len, "<null>"); |
| 293 |
return snprintf(dest, len, "\"%s\"", *ptr); |
| 294 |
} |
| 295 |
|
| 296 |
PropertyInfo qdev_prop_string = {
|
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.name = "string",
|
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.type = PROP_TYPE_STRING, |
| 299 |
.size = sizeof(char*), |
| 300 |
.parse = parse_string, |
| 301 |
.print = print_string, |
| 302 |
.free = free_string, |
| 303 |
}; |
| 304 |
|
| 305 |
/* --- drive --- */
|
| 306 |
|
| 307 |
static int parse_drive(DeviceState *dev, Property *prop, const char *str) |
| 308 |
{
|
| 309 |
BlockDriverState **ptr = qdev_get_prop_ptr(dev, prop); |
| 310 |
BlockDriverState *bs; |
| 311 |
|
| 312 |
bs = bdrv_find(str); |
| 313 |
if (bs == NULL) |
| 314 |
return -ENOENT;
|
| 315 |
if (bdrv_attach_dev(bs, dev) < 0) |
| 316 |
return -EEXIST;
|
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*ptr = bs; |
| 318 |
return 0; |
| 319 |
} |
| 320 |
|
| 321 |
static void free_drive(DeviceState *dev, Property *prop) |
| 322 |
{
|
| 323 |
BlockDriverState **ptr = qdev_get_prop_ptr(dev, prop); |
| 324 |
|
| 325 |
if (*ptr) {
|
| 326 |
bdrv_detach_dev(*ptr, dev); |
| 327 |
blockdev_auto_del(*ptr); |
| 328 |
} |
| 329 |
} |
| 330 |
|
| 331 |
static int print_drive(DeviceState *dev, Property *prop, char *dest, size_t len) |
| 332 |
{
|
| 333 |
BlockDriverState **ptr = qdev_get_prop_ptr(dev, prop); |
| 334 |
return snprintf(dest, len, "%s", |
| 335 |
*ptr ? bdrv_get_device_name(*ptr) : "<null>");
|
| 336 |
} |
| 337 |
|
| 338 |
PropertyInfo qdev_prop_drive = {
|
| 339 |
.name = "drive",
|
| 340 |
.type = PROP_TYPE_DRIVE, |
| 341 |
.size = sizeof(BlockDriverState *),
|
| 342 |
.parse = parse_drive, |
| 343 |
.print = print_drive, |
| 344 |
.free = free_drive, |
| 345 |
}; |
| 346 |
|
| 347 |
/* --- character device --- */
|
| 348 |
|
| 349 |
static int parse_chr(DeviceState *dev, Property *prop, const char *str) |
| 350 |
{
|
| 351 |
CharDriverState **ptr = qdev_get_prop_ptr(dev, prop); |
| 352 |
|
| 353 |
*ptr = qemu_chr_find(str); |
| 354 |
if (*ptr == NULL) { |
| 355 |
return -ENOENT;
|
| 356 |
} |
| 357 |
if ((*ptr)->avail_connections < 1) { |
| 358 |
return -EEXIST;
|
| 359 |
} |
| 360 |
--(*ptr)->avail_connections; |
| 361 |
return 0; |
| 362 |
} |
| 363 |
|
| 364 |
static int print_chr(DeviceState *dev, Property *prop, char *dest, size_t len) |
| 365 |
{
|
| 366 |
CharDriverState **ptr = qdev_get_prop_ptr(dev, prop); |
| 367 |
|
| 368 |
if (*ptr && (*ptr)->label) {
|
| 369 |
return snprintf(dest, len, "%s", (*ptr)->label); |
| 370 |
} else {
|
| 371 |
return snprintf(dest, len, "<null>"); |
| 372 |
} |
| 373 |
} |
| 374 |
|
| 375 |
PropertyInfo qdev_prop_chr = {
|
| 376 |
.name = "chr",
|
| 377 |
.type = PROP_TYPE_CHR, |
| 378 |
.size = sizeof(CharDriverState*),
|
| 379 |
.parse = parse_chr, |
| 380 |
.print = print_chr, |
| 381 |
}; |
| 382 |
|
| 383 |
/* --- netdev device --- */
|
| 384 |
|
| 385 |
static int parse_netdev(DeviceState *dev, Property *prop, const char *str) |
| 386 |
{
|
| 387 |
VLANClientState **ptr = qdev_get_prop_ptr(dev, prop); |
| 388 |
|
| 389 |
*ptr = qemu_find_netdev(str); |
| 390 |
if (*ptr == NULL) |
| 391 |
return -ENOENT;
|
| 392 |
if ((*ptr)->peer) {
|
| 393 |
return -EEXIST;
|
| 394 |
} |
| 395 |
return 0; |
| 396 |
} |
| 397 |
|
| 398 |
static int print_netdev(DeviceState *dev, Property *prop, char *dest, size_t len) |
| 399 |
{
|
| 400 |
VLANClientState **ptr = qdev_get_prop_ptr(dev, prop); |
| 401 |
|
| 402 |
if (*ptr && (*ptr)->name) {
|
| 403 |
return snprintf(dest, len, "%s", (*ptr)->name); |
| 404 |
} else {
|
| 405 |
return snprintf(dest, len, "<null>"); |
| 406 |
} |
| 407 |
} |
| 408 |
|
| 409 |
PropertyInfo qdev_prop_netdev = {
|
| 410 |
.name = "netdev",
|
| 411 |
.type = PROP_TYPE_NETDEV, |
| 412 |
.size = sizeof(VLANClientState*),
|
| 413 |
.parse = parse_netdev, |
| 414 |
.print = print_netdev, |
| 415 |
}; |
| 416 |
|
| 417 |
/* --- vlan --- */
|
| 418 |
|
| 419 |
static int parse_vlan(DeviceState *dev, Property *prop, const char *str) |
| 420 |
{
|
| 421 |
VLANState **ptr = qdev_get_prop_ptr(dev, prop); |
| 422 |
int id;
|
| 423 |
|
| 424 |
if (sscanf(str, "%d", &id) != 1) |
| 425 |
return -EINVAL;
|
| 426 |
*ptr = qemu_find_vlan(id, 1);
|
| 427 |
if (*ptr == NULL) |
| 428 |
return -ENOENT;
|
| 429 |
return 0; |
| 430 |
} |
| 431 |
|
| 432 |
static int print_vlan(DeviceState *dev, Property *prop, char *dest, size_t len) |
| 433 |
{
|
| 434 |
VLANState **ptr = qdev_get_prop_ptr(dev, prop); |
| 435 |
|
| 436 |
if (*ptr) {
|
| 437 |
return snprintf(dest, len, "%d", (*ptr)->id); |
| 438 |
} else {
|
| 439 |
return snprintf(dest, len, "<null>"); |
| 440 |
} |
| 441 |
} |
| 442 |
|
| 443 |
PropertyInfo qdev_prop_vlan = {
|
| 444 |
.name = "vlan",
|
| 445 |
.type = PROP_TYPE_VLAN, |
| 446 |
.size = sizeof(VLANClientState*),
|
| 447 |
.parse = parse_vlan, |
| 448 |
.print = print_vlan, |
| 449 |
}; |
| 450 |
|
| 451 |
/* --- pointer --- */
|
| 452 |
|
| 453 |
/* Not a proper property, just for dirty hacks. TODO Remove it! */
|
| 454 |
PropertyInfo qdev_prop_ptr = {
|
| 455 |
.name = "ptr",
|
| 456 |
.type = PROP_TYPE_PTR, |
| 457 |
.size = sizeof(void*), |
| 458 |
}; |
| 459 |
|
| 460 |
/* --- mac address --- */
|
| 461 |
|
| 462 |
/*
|
| 463 |
* accepted syntax versions:
|
| 464 |
* 01:02:03:04:05:06
|
| 465 |
* 01-02-03-04-05-06
|
| 466 |
*/
|
| 467 |
static int parse_mac(DeviceState *dev, Property *prop, const char *str) |
| 468 |
{
|
| 469 |
MACAddr *mac = qdev_get_prop_ptr(dev, prop); |
| 470 |
int i, pos;
|
| 471 |
char *p;
|
| 472 |
|
| 473 |
for (i = 0, pos = 0; i < 6; i++, pos += 3) { |
| 474 |
if (!qemu_isxdigit(str[pos]))
|
| 475 |
return -EINVAL;
|
| 476 |
if (!qemu_isxdigit(str[pos+1])) |
| 477 |
return -EINVAL;
|
| 478 |
if (i == 5) { |
| 479 |
if (str[pos+2] != '\0') |
| 480 |
return -EINVAL;
|
| 481 |
} else {
|
| 482 |
if (str[pos+2] != ':' && str[pos+2] != '-') |
| 483 |
return -EINVAL;
|
| 484 |
} |
| 485 |
mac->a[i] = strtol(str+pos, &p, 16);
|
| 486 |
} |
| 487 |
return 0; |
| 488 |
} |
| 489 |
|
| 490 |
static int print_mac(DeviceState *dev, Property *prop, char *dest, size_t len) |
| 491 |
{
|
| 492 |
MACAddr *mac = qdev_get_prop_ptr(dev, prop); |
| 493 |
|
| 494 |
return snprintf(dest, len, "%02x:%02x:%02x:%02x:%02x:%02x", |
| 495 |
mac->a[0], mac->a[1], mac->a[2], |
| 496 |
mac->a[3], mac->a[4], mac->a[5]); |
| 497 |
} |
| 498 |
|
| 499 |
PropertyInfo qdev_prop_macaddr = {
|
| 500 |
.name = "macaddr",
|
| 501 |
.type = PROP_TYPE_MACADDR, |
| 502 |
.size = sizeof(MACAddr),
|
| 503 |
.parse = parse_mac, |
| 504 |
.print = print_mac, |
| 505 |
}; |
| 506 |
|
| 507 |
/* --- pci address --- */
|
| 508 |
|
| 509 |
/*
|
| 510 |
* bus-local address, i.e. "$slot" or "$slot.$fn"
|
| 511 |
*/
|
| 512 |
static int parse_pci_devfn(DeviceState *dev, Property *prop, const char *str) |
| 513 |
{
|
| 514 |
uint32_t *ptr = qdev_get_prop_ptr(dev, prop); |
| 515 |
unsigned int slot, fn, n; |
| 516 |
|
| 517 |
if (sscanf(str, "%x.%x%n", &slot, &fn, &n) != 2) { |
| 518 |
fn = 0;
|
| 519 |
if (sscanf(str, "%x%n", &slot, &n) != 1) { |
| 520 |
return -EINVAL;
|
| 521 |
} |
| 522 |
} |
| 523 |
if (str[n] != '\0') |
| 524 |
return -EINVAL;
|
| 525 |
if (fn > 7) |
| 526 |
return -EINVAL;
|
| 527 |
if (slot > 31) |
| 528 |
return -EINVAL;
|
| 529 |
*ptr = slot << 3 | fn;
|
| 530 |
return 0; |
| 531 |
} |
| 532 |
|
| 533 |
static int print_pci_devfn(DeviceState *dev, Property *prop, char *dest, size_t len) |
| 534 |
{
|
| 535 |
uint32_t *ptr = qdev_get_prop_ptr(dev, prop); |
| 536 |
|
| 537 |
if (*ptr == -1) { |
| 538 |
return snprintf(dest, len, "<unset>"); |
| 539 |
} else {
|
| 540 |
return snprintf(dest, len, "%02x.%x", *ptr >> 3, *ptr & 7); |
| 541 |
} |
| 542 |
} |
| 543 |
|
| 544 |
PropertyInfo qdev_prop_pci_devfn = {
|
| 545 |
.name = "pci-devfn",
|
| 546 |
.type = PROP_TYPE_UINT32, |
| 547 |
.size = sizeof(uint32_t),
|
| 548 |
.parse = parse_pci_devfn, |
| 549 |
.print = print_pci_devfn, |
| 550 |
}; |
| 551 |
|
| 552 |
/* --- public helpers --- */
|
| 553 |
|
| 554 |
static Property *qdev_prop_walk(Property *props, const char *name) |
| 555 |
{
|
| 556 |
if (!props)
|
| 557 |
return NULL; |
| 558 |
while (props->name) {
|
| 559 |
if (strcmp(props->name, name) == 0) |
| 560 |
return props;
|
| 561 |
props++; |
| 562 |
} |
| 563 |
return NULL; |
| 564 |
} |
| 565 |
|
| 566 |
static Property *qdev_prop_find(DeviceState *dev, const char *name) |
| 567 |
{
|
| 568 |
Property *prop; |
| 569 |
|
| 570 |
/* device properties */
|
| 571 |
prop = qdev_prop_walk(dev->info->props, name); |
| 572 |
if (prop)
|
| 573 |
return prop;
|
| 574 |
|
| 575 |
/* bus properties */
|
| 576 |
prop = qdev_prop_walk(dev->parent_bus->info->props, name); |
| 577 |
if (prop)
|
| 578 |
return prop;
|
| 579 |
|
| 580 |
return NULL; |
| 581 |
} |
| 582 |
|
| 583 |
int qdev_prop_exists(DeviceState *dev, const char *name) |
| 584 |
{
|
| 585 |
return qdev_prop_find(dev, name) ? true : false; |
| 586 |
} |
| 587 |
|
| 588 |
int qdev_prop_parse(DeviceState *dev, const char *name, const char *value) |
| 589 |
{
|
| 590 |
Property *prop; |
| 591 |
int ret;
|
| 592 |
|
| 593 |
prop = qdev_prop_find(dev, name); |
| 594 |
/*
|
| 595 |
* TODO Properties without a parse method are just for dirty
|
| 596 |
* hacks. qdev_prop_ptr is the only such PropertyInfo. It's
|
| 597 |
* marked for removal. The test !prop->info->parse should be
|
| 598 |
* removed along with it.
|
| 599 |
*/
|
| 600 |
if (!prop || !prop->info->parse) {
|
| 601 |
qerror_report(QERR_PROPERTY_NOT_FOUND, dev->info->name, name); |
| 602 |
return -1; |
| 603 |
} |
| 604 |
ret = prop->info->parse(dev, prop, value); |
| 605 |
if (ret < 0) { |
| 606 |
switch (ret) {
|
| 607 |
case -EEXIST:
|
| 608 |
qerror_report(QERR_PROPERTY_VALUE_IN_USE, |
| 609 |
dev->info->name, name, value); |
| 610 |
break;
|
| 611 |
default:
|
| 612 |
case -EINVAL:
|
| 613 |
qerror_report(QERR_PROPERTY_VALUE_BAD, |
| 614 |
dev->info->name, name, value); |
| 615 |
break;
|
| 616 |
case -ENOENT:
|
| 617 |
qerror_report(QERR_PROPERTY_VALUE_NOT_FOUND, |
| 618 |
dev->info->name, name, value); |
| 619 |
break;
|
| 620 |
} |
| 621 |
return -1; |
| 622 |
} |
| 623 |
return 0; |
| 624 |
} |
| 625 |
|
| 626 |
void qdev_prop_set(DeviceState *dev, const char *name, void *src, enum PropertyType type) |
| 627 |
{
|
| 628 |
Property *prop; |
| 629 |
|
| 630 |
prop = qdev_prop_find(dev, name); |
| 631 |
if (!prop) {
|
| 632 |
fprintf(stderr, "%s: property \"%s.%s\" not found\n",
|
| 633 |
__FUNCTION__, dev->info->name, name); |
| 634 |
abort(); |
| 635 |
} |
| 636 |
if (prop->info->type != type) {
|
| 637 |
fprintf(stderr, "%s: property \"%s.%s\" type mismatch\n",
|
| 638 |
__FUNCTION__, dev->info->name, name); |
| 639 |
abort(); |
| 640 |
} |
| 641 |
qdev_prop_cpy(dev, prop, src); |
| 642 |
} |
| 643 |
|
| 644 |
void qdev_prop_set_bit(DeviceState *dev, const char *name, bool value) |
| 645 |
{
|
| 646 |
qdev_prop_set(dev, name, &value, PROP_TYPE_BIT); |
| 647 |
} |
| 648 |
|
| 649 |
void qdev_prop_set_uint8(DeviceState *dev, const char *name, uint8_t value) |
| 650 |
{
|
| 651 |
qdev_prop_set(dev, name, &value, PROP_TYPE_UINT8); |
| 652 |
} |
| 653 |
|
| 654 |
void qdev_prop_set_uint16(DeviceState *dev, const char *name, uint16_t value) |
| 655 |
{
|
| 656 |
qdev_prop_set(dev, name, &value, PROP_TYPE_UINT16); |
| 657 |
} |
| 658 |
|
| 659 |
void qdev_prop_set_uint32(DeviceState *dev, const char *name, uint32_t value) |
| 660 |
{
|
| 661 |
qdev_prop_set(dev, name, &value, PROP_TYPE_UINT32); |
| 662 |
} |
| 663 |
|
| 664 |
void qdev_prop_set_int32(DeviceState *dev, const char *name, int32_t value) |
| 665 |
{
|
| 666 |
qdev_prop_set(dev, name, &value, PROP_TYPE_INT32); |
| 667 |
} |
| 668 |
|
| 669 |
void qdev_prop_set_uint64(DeviceState *dev, const char *name, uint64_t value) |
| 670 |
{
|
| 671 |
qdev_prop_set(dev, name, &value, PROP_TYPE_UINT64); |
| 672 |
} |
| 673 |
|
| 674 |
void qdev_prop_set_string(DeviceState *dev, const char *name, char *value) |
| 675 |
{
|
| 676 |
qdev_prop_set(dev, name, &value, PROP_TYPE_STRING); |
| 677 |
} |
| 678 |
|
| 679 |
int qdev_prop_set_drive(DeviceState *dev, const char *name, BlockDriverState *value) |
| 680 |
{
|
| 681 |
int res;
|
| 682 |
|
| 683 |
res = bdrv_attach_dev(value, dev); |
| 684 |
if (res < 0) { |
| 685 |
error_report("Can't attach drive %s to %s.%s: %s",
|
| 686 |
bdrv_get_device_name(value), |
| 687 |
dev->id ? dev->id : dev->info->name, |
| 688 |
name, strerror(-res)); |
| 689 |
return -1; |
| 690 |
} |
| 691 |
qdev_prop_set(dev, name, &value, PROP_TYPE_DRIVE); |
| 692 |
return 0; |
| 693 |
} |
| 694 |
|
| 695 |
void qdev_prop_set_drive_nofail(DeviceState *dev, const char *name, BlockDriverState *value) |
| 696 |
{
|
| 697 |
if (qdev_prop_set_drive(dev, name, value) < 0) { |
| 698 |
exit(1);
|
| 699 |
} |
| 700 |
} |
| 701 |
void qdev_prop_set_chr(DeviceState *dev, const char *name, CharDriverState *value) |
| 702 |
{
|
| 703 |
qdev_prop_set(dev, name, &value, PROP_TYPE_CHR); |
| 704 |
} |
| 705 |
|
| 706 |
void qdev_prop_set_netdev(DeviceState *dev, const char *name, VLANClientState *value) |
| 707 |
{
|
| 708 |
qdev_prop_set(dev, name, &value, PROP_TYPE_NETDEV); |
| 709 |
} |
| 710 |
|
| 711 |
void qdev_prop_set_vlan(DeviceState *dev, const char *name, VLANState *value) |
| 712 |
{
|
| 713 |
qdev_prop_set(dev, name, &value, PROP_TYPE_VLAN); |
| 714 |
} |
| 715 |
|
| 716 |
void qdev_prop_set_macaddr(DeviceState *dev, const char *name, uint8_t *value) |
| 717 |
{
|
| 718 |
qdev_prop_set(dev, name, value, PROP_TYPE_MACADDR); |
| 719 |
} |
| 720 |
|
| 721 |
void qdev_prop_set_ptr(DeviceState *dev, const char *name, void *value) |
| 722 |
{
|
| 723 |
qdev_prop_set(dev, name, &value, PROP_TYPE_PTR); |
| 724 |
} |
| 725 |
|
| 726 |
void qdev_prop_set_defaults(DeviceState *dev, Property *props)
|
| 727 |
{
|
| 728 |
if (!props)
|
| 729 |
return;
|
| 730 |
while (props->name) {
|
| 731 |
if (props->defval) {
|
| 732 |
qdev_prop_cpy(dev, props, props->defval); |
| 733 |
} |
| 734 |
props++; |
| 735 |
} |
| 736 |
} |
| 737 |
|
| 738 |
static QTAILQ_HEAD(, GlobalProperty) global_props = QTAILQ_HEAD_INITIALIZER(global_props);
|
| 739 |
|
| 740 |
static void qdev_prop_register_global(GlobalProperty *prop) |
| 741 |
{
|
| 742 |
QTAILQ_INSERT_TAIL(&global_props, prop, next); |
| 743 |
} |
| 744 |
|
| 745 |
void qdev_prop_register_global_list(GlobalProperty *props)
|
| 746 |
{
|
| 747 |
int i;
|
| 748 |
|
| 749 |
for (i = 0; props[i].driver != NULL; i++) { |
| 750 |
qdev_prop_register_global(props+i); |
| 751 |
} |
| 752 |
} |
| 753 |
|
| 754 |
void qdev_prop_set_globals(DeviceState *dev)
|
| 755 |
{
|
| 756 |
GlobalProperty *prop; |
| 757 |
|
| 758 |
QTAILQ_FOREACH(prop, &global_props, next) {
|
| 759 |
if (strcmp(dev->info->name, prop->driver) != 0 && |
| 760 |
strcmp(dev->info->bus_info->name, prop->driver) != 0) {
|
| 761 |
continue;
|
| 762 |
} |
| 763 |
if (qdev_prop_parse(dev, prop->property, prop->value) != 0) { |
| 764 |
exit(1);
|
| 765 |
} |
| 766 |
} |
| 767 |
} |
| 768 |
|
| 769 |
static int qdev_add_one_global(QemuOpts *opts, void *opaque) |
| 770 |
{
|
| 771 |
GlobalProperty *g; |
| 772 |
|
| 773 |
g = g_malloc0(sizeof(*g));
|
| 774 |
g->driver = qemu_opt_get(opts, "driver");
|
| 775 |
g->property = qemu_opt_get(opts, "property");
|
| 776 |
g->value = qemu_opt_get(opts, "value");
|
| 777 |
qdev_prop_register_global(g); |
| 778 |
return 0; |
| 779 |
} |
| 780 |
|
| 781 |
void qemu_add_globals(void) |
| 782 |
{
|
| 783 |
qemu_opts_foreach(qemu_find_opts("global"), qdev_add_one_global, NULL, 0); |
| 784 |
} |