+#include "net.h"
#include "qdev.h"
+#include "qerror.h"
+#include "blockdev.h"
void *qdev_get_prop_ptr(DeviceState *dev, Property *prop)
{
return ptr;
}
+static uint32_t qdev_get_prop_mask(Property *prop)
+{
+ assert(prop->info->type == PROP_TYPE_BIT);
+ return 0x1 << prop->bitnr;
+}
+
+static void bit_prop_set(DeviceState *dev, Property *props, bool val)
+{
+ uint32_t *p = qdev_get_prop_ptr(dev, props);
+ uint32_t mask = qdev_get_prop_mask(props);
+ if (val)
+ *p |= mask;
+ else
+ *p &= ~mask;
+}
+
+static void qdev_prop_cpy(DeviceState *dev, Property *props, void *src)
+{
+ if (props->info->type == PROP_TYPE_BIT) {
+ bool *defval = src;
+ bit_prop_set(dev, props, *defval);
+ } else {
+ char *dst = qdev_get_prop_ptr(dev, props);
+ memcpy(dst, src, props->info->size);
+ }
+}
+
+/* Bit */
+static int parse_bit(DeviceState *dev, Property *prop, const char *str)
+{
+ if (!strncasecmp(str, "on", 2))
+ bit_prop_set(dev, prop, true);
+ else if (!strncasecmp(str, "off", 3))
+ bit_prop_set(dev, prop, false);
+ else
+ return -EINVAL;
+ return 0;
+}
+
+static int print_bit(DeviceState *dev, Property *prop, char *dest, size_t len)
+{
+ uint32_t *p = qdev_get_prop_ptr(dev, prop);
+ return snprintf(dest, len, (*p & qdev_get_prop_mask(prop)) ? "on" : "off");
+}
+
+PropertyInfo qdev_prop_bit = {
+ .name = "on/off",
+ .type = PROP_TYPE_BIT,
+ .size = sizeof(uint32_t),
+ .parse = parse_bit,
+ .print = print_bit,
+};
+
+/* --- 8bit integer --- */
+
+static int parse_uint8(DeviceState *dev, Property *prop, const char *str)
+{
+ uint8_t *ptr = qdev_get_prop_ptr(dev, prop);
+ char *end;
+
+ /* accept both hex and decimal */
+ *ptr = strtoul(str, &end, 0);
+ if ((*end != '\0') || (end == str)) {
+ return -EINVAL;
+ }
+
+ 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;
+ char *end;
/* accept both hex and decimal */
- fmt = strncasecmp(str, "0x",2) == 0 ? "%" PRIx16 : "%" PRIu16;
- if (sscanf(str, fmt, ptr) != 1)
- return -1;
+ *ptr = strtoul(str, &end, 0);
+ if ((*end != '\0') || (end == str)) {
+ return -EINVAL;
+ }
+
return 0;
}
static int parse_uint32(DeviceState *dev, Property *prop, const char *str)
{
uint32_t *ptr = qdev_get_prop_ptr(dev, prop);
- const char *fmt;
+ char *end;
/* accept both hex and decimal */
- fmt = strncasecmp(str, "0x",2) == 0 ? "%" PRIx32 : "%" PRIu32;
- if (sscanf(str, fmt, ptr) != 1)
- return -1;
+ *ptr = strtoul(str, &end, 0);
+ if ((*end != '\0') || (end == str)) {
+ return -EINVAL;
+ }
+
return 0;
}
.print = print_uint32,
};
+static int parse_int32(DeviceState *dev, Property *prop, const char *str)
+{
+ int32_t *ptr = qdev_get_prop_ptr(dev, prop);
+ char *end;
+
+ *ptr = strtol(str, &end, 10);
+ if ((*end != '\0') || (end == str)) {
+ return -EINVAL;
+ }
+
+ 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);
+ char *end;
+
+ *ptr = strtoul(str, &end, 16);
+ if ((*end != '\0') || (end == str)) {
+ return -EINVAL;
+ }
- if (sscanf(str, "%" PRIx32, ptr) != 1)
- return -1;
return 0;
}
.print = print_hex32,
};
-/* --- pointer --- */
+/* --- 64bit integer --- */
+
+static int parse_uint64(DeviceState *dev, Property *prop, const char *str)
+{
+ uint64_t *ptr = qdev_get_prop_ptr(dev, prop);
+ char *end;
+
+ /* accept both hex and decimal */
+ *ptr = strtoull(str, &end, 0);
+ if ((*end != '\0') || (end == str)) {
+ return -EINVAL;
+ }
+
+ 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);
+ char *end;
+
+ *ptr = strtoull(str, &end, 16);
+ if ((*end != '\0') || (end == str)) {
+ return -EINVAL;
+ }
+
+ 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,
+};
+
+/* --- string --- */
+
+static int parse_string(DeviceState *dev, Property *prop, const char *str)
+{
+ char **ptr = qdev_get_prop_ptr(dev, prop);
+
+ if (*ptr)
+ qemu_free(*ptr);
+ *ptr = qemu_strdup(str);
+ return 0;
+}
+
+static void free_string(DeviceState *dev, Property *prop)
+{
+ qemu_free(*(char **)qdev_get_prop_ptr(dev, prop));
+}
+
+static int print_string(DeviceState *dev, Property *prop, char *dest, size_t len)
+{
+ char **ptr = qdev_get_prop_ptr(dev, prop);
+ if (!*ptr)
+ return snprintf(dest, len, "<null>");
+ return snprintf(dest, len, "\"%s\"", *ptr);
+}
+
+PropertyInfo qdev_prop_string = {
+ .name = "string",
+ .type = PROP_TYPE_STRING,
+ .size = sizeof(char*),
+ .parse = parse_string,
+ .print = print_string,
+ .free = free_string,
+};
+
+/* --- drive --- */
+
+static int parse_drive(DeviceState *dev, Property *prop, const char *str)
+{
+ BlockDriverState **ptr = qdev_get_prop_ptr(dev, prop);
+ BlockDriverState *bs;
+
+ bs = bdrv_find(str);
+ if (bs == NULL)
+ return -ENOENT;
+ if (bdrv_attach(bs, dev) < 0)
+ return -EEXIST;
+ *ptr = bs;
+ return 0;
+}
+
+static void free_drive(DeviceState *dev, Property *prop)
+{
+ BlockDriverState **ptr = qdev_get_prop_ptr(dev, prop);
+
+ if (*ptr) {
+ bdrv_detach(*ptr, dev);
+ blockdev_auto_del(*ptr);
+ }
+}
+
+static int print_drive(DeviceState *dev, Property *prop, char *dest, size_t len)
+{
+ BlockDriverState **ptr = qdev_get_prop_ptr(dev, prop);
+ return snprintf(dest, len, "%s",
+ *ptr ? bdrv_get_device_name(*ptr) : "<null>");
+}
+
+PropertyInfo qdev_prop_drive = {
+ .name = "drive",
+ .type = PROP_TYPE_DRIVE,
+ .size = sizeof(BlockDriverState *),
+ .parse = parse_drive,
+ .print = print_drive,
+ .free = free_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 -ENOENT;
+ }
+ if ((*ptr)->avail_connections < 1) {
+ return -EEXIST;
+ }
+ --(*ptr)->avail_connections;
+ 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,
+};
+
+/* --- netdev device --- */
+
+static int parse_netdev(DeviceState *dev, Property *prop, const char *str)
+{
+ VLANClientState **ptr = qdev_get_prop_ptr(dev, prop);
+
+ *ptr = qemu_find_netdev(str);
+ if (*ptr == NULL)
+ return -ENOENT;
+ if ((*ptr)->peer) {
+ return -EEXIST;
+ }
+ return 0;
+}
+
+static int print_netdev(DeviceState *dev, Property *prop, char *dest, size_t len)
+{
+ VLANClientState **ptr = qdev_get_prop_ptr(dev, prop);
-static int print_ptr(DeviceState *dev, Property *prop, char *dest, size_t len)
+ if (*ptr && (*ptr)->name) {
+ return snprintf(dest, len, "%s", (*ptr)->name);
+ } else {
+ return snprintf(dest, len, "<null>");
+ }
+}
+
+PropertyInfo qdev_prop_netdev = {
+ .name = "netdev",
+ .type = PROP_TYPE_NETDEV,
+ .size = sizeof(VLANClientState*),
+ .parse = parse_netdev,
+ .print = print_netdev,
+};
+
+/* --- vlan --- */
+
+static int parse_vlan(DeviceState *dev, Property *prop, const char *str)
{
- void **ptr = qdev_get_prop_ptr(dev, prop);
- return snprintf(dest, len, "<%p>", *ptr);
+ VLANState **ptr = qdev_get_prop_ptr(dev, prop);
+ int id;
+
+ if (sscanf(str, "%d", &id) != 1)
+ return -EINVAL;
+ *ptr = qemu_find_vlan(id, 1);
+ if (*ptr == NULL)
+ return -ENOENT;
+ return 0;
}
+static int print_vlan(DeviceState *dev, Property *prop, char *dest, size_t len)
+{
+ VLANState **ptr = qdev_get_prop_ptr(dev, prop);
+
+ if (*ptr) {
+ return snprintf(dest, len, "%d", (*ptr)->id);
+ } else {
+ return snprintf(dest, len, "<null>");
+ }
+}
+
+PropertyInfo qdev_prop_vlan = {
+ .name = "vlan",
+ .type = PROP_TYPE_VLAN,
+ .size = sizeof(VLANClientState*),
+ .parse = parse_vlan,
+ .print = print_vlan,
+};
+
+/* --- pointer --- */
+
+/* Not a proper property, just for dirty hacks. TODO Remove it! */
PropertyInfo qdev_prop_ptr = {
.name = "ptr",
.type = PROP_TYPE_PTR,
.size = sizeof(void*),
- .print = print_ptr,
};
/* --- mac address --- */
*/
static int parse_mac(DeviceState *dev, Property *prop, const char *str)
{
- uint8_t *mac = qdev_get_prop_ptr(dev, prop);
+ MACAddr *mac = qdev_get_prop_ptr(dev, prop);
int i, pos;
char *p;
for (i = 0, pos = 0; i < 6; i++, pos += 3) {
- if (!isxdigit(str[pos]))
- return -1;
- if (!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);
+ if (!qemu_isxdigit(str[pos]))
+ return -EINVAL;
+ if (!qemu_isxdigit(str[pos+1]))
+ return -EINVAL;
+ if (i == 5) {
+ if (str[pos+2] != '\0')
+ return -EINVAL;
+ } else {
+ if (str[pos+2] != ':' && str[pos+2] != '-')
+ return -EINVAL;
+ }
+ mac->a[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);
+ MACAddr *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]);
+ mac->a[0], mac->a[1], mac->a[2],
+ mac->a[3], mac->a[4], mac->a[5]);
}
PropertyInfo qdev_prop_macaddr = {
- .name = "mac-addr",
+ .name = "macaddr",
.type = PROP_TYPE_MACADDR,
- .size = 6,
+ .size = sizeof(MACAddr),
.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 -EINVAL;
+ }
+ }
+ if (str[n] != '\0')
+ return -EINVAL;
+ if (fn > 7)
+ return -EINVAL;
+ *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)
return NULL;
}
+int qdev_prop_exists(DeviceState *dev, const char *name)
+{
+ return qdev_prop_find(dev, name) ? true : false;
+}
+
int qdev_prop_parse(DeviceState *dev, const char *name, const char *value)
{
Property *prop;
+ int ret;
prop = qdev_prop_find(dev, name);
- if (!prop) {
- fprintf(stderr, "property \"%s.%s\" not found\n",
- dev->info->name, name);
+ /*
+ * TODO Properties without a parse method are just for dirty
+ * hacks. qdev_prop_ptr is the only such PropertyInfo. It's
+ * marked for removal. The test !prop->info->parse should be
+ * removed along with it.
+ */
+ if (!prop || !prop->info->parse) {
+ qerror_report(QERR_PROPERTY_NOT_FOUND, dev->info->name, name);
return -1;
}
- if (!prop->info->parse) {
- fprintf(stderr, "property \"%s.%s\" has no parser\n",
- dev->info->name, name);
+ ret = prop->info->parse(dev, prop, value);
+ if (ret < 0) {
+ switch (ret) {
+ case -EEXIST:
+ qerror_report(QERR_PROPERTY_VALUE_IN_USE,
+ dev->info->name, name, value);
+ break;
+ default:
+ case -EINVAL:
+ qerror_report(QERR_PROPERTY_VALUE_BAD,
+ dev->info->name, name, value);
+ break;
+ case -ENOENT:
+ qerror_report(QERR_PROPERTY_VALUE_NOT_FOUND,
+ dev->info->name, name, value);
+ break;
+ }
return -1;
}
- return prop->info->parse(dev, prop, value);
+ return 0;
}
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) {
__FUNCTION__, dev->info->name, name);
abort();
}
- dst = qdev_get_prop_ptr(dev, prop);
- memcpy(dst, src, prop->info->size);
+ qdev_prop_cpy(dev, prop, src);
+}
+
+void qdev_prop_set_bit(DeviceState *dev, const char *name, bool value)
+{
+ qdev_prop_set(dev, name, &value, PROP_TYPE_BIT);
+}
+
+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_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_string(DeviceState *dev, const char *name, char *value)
+{
+ qdev_prop_set(dev, name, &value, PROP_TYPE_STRING);
+}
+
+int qdev_prop_set_drive(DeviceState *dev, const char *name, BlockDriverState *value)
+{
+ int res;
+
+ res = bdrv_attach(value, dev);
+ if (res < 0) {
+ error_report("Can't attach drive %s to %s.%s: %s",
+ bdrv_get_device_name(value),
+ dev->id ? dev->id : dev->info->name,
+ name, strerror(-res));
+ return -1;
+ }
+ qdev_prop_set(dev, name, &value, PROP_TYPE_DRIVE);
+ return 0;
+}
+
+void qdev_prop_set_drive_nofail(DeviceState *dev, const char *name, BlockDriverState *value)
+{
+ if (qdev_prop_set_drive(dev, name, value) < 0) {
+ exit(1);
+ }
+}
+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_netdev(DeviceState *dev, const char *name, VLANClientState *value)
+{
+ qdev_prop_set(dev, name, &value, PROP_TYPE_NETDEV);
+}
+
+void qdev_prop_set_vlan(DeviceState *dev, const char *name, VLANState *value)
+{
+ qdev_prop_set(dev, name, &value, PROP_TYPE_VLAN);
+}
+
+void qdev_prop_set_macaddr(DeviceState *dev, const char *name, uint8_t *value)
+{
+ qdev_prop_set(dev, name, value, PROP_TYPE_MACADDR);
+}
+
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);
+ qdev_prop_cpy(dev, props, props->defval);
}
props++;
}
}
+static QTAILQ_HEAD(, GlobalProperty) global_props = QTAILQ_HEAD_INITIALIZER(global_props);
+
+static void qdev_prop_register_global(GlobalProperty *prop)
+{
+ QTAILQ_INSERT_TAIL(&global_props, prop, next);
+}
+
+void qdev_prop_register_global_list(GlobalProperty *props)
+{
+ int i;
+
+ for (i = 0; props[i].driver != NULL; i++) {
+ qdev_prop_register_global(props+i);
+ }
+}
+
+void qdev_prop_set_globals(DeviceState *dev)
+{
+ GlobalProperty *prop;
+
+ QTAILQ_FOREACH(prop, &global_props, next) {
+ if (strcmp(dev->info->name, prop->driver) != 0 &&
+ strcmp(dev->info->bus_info->name, prop->driver) != 0) {
+ continue;
+ }
+ if (qdev_prop_parse(dev, prop->property, prop->value) != 0) {
+ exit(1);
+ }
+ }
+}
+
+static int qdev_add_one_global(QemuOpts *opts, void *opaque)
+{
+ GlobalProperty *g;
+
+ g = qemu_mallocz(sizeof(*g));
+ g->driver = qemu_opt_get(opts, "driver");
+ g->property = qemu_opt_get(opts, "property");
+ g->value = qemu_opt_get(opts, "value");
+ qdev_prop_register_global(g);
+ return 0;
+}
+
+void qemu_add_globals(void)
+{
+ qemu_opts_foreach(qemu_find_opts("global"), qdev_add_one_global, NULL, 0);
+}
projects / qemu.git / blobdiff