diff options
| author | Yang Weijiang <weijiang.yang@intel.com> | 2022-02-15 14:52:51 -0500 |
|---|---|---|
| committer | Paolo Bonzini <pbonzini@redhat.com> | 2022-05-14 12:32:41 +0200 |
| commit | 18c22d7112a76fabeee5022a3bdd9e8c3a37c8d2 (patch) | |
| tree | bab79d5b463a6a8664d4d08629318306d9a34110 /hw/core | |
| parent | 6df39f5e583ca0f67bd934d1327f9ead2e3bd49c (diff) | |
qdev-properties: Add a new macro with bitmask check for uint64_t property
The DEFINE_PROP_UINT64_CHECKMASK maro applies certain mask check agaist
user-supplied property value, reject the value if it violates the bitmask.
Co-developed-by: Like Xu <like.xu@linux.intel.com>
Signed-off-by: Like Xu <like.xu@linux.intel.com>
Signed-off-by: Yang Weijiang <weijiang.yang@intel.com>
Message-Id: <20220215195258.29149-2-weijiang.yang@intel.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Diffstat (limited to 'hw/core')
| -rw-r--r-- | hw/core/qdev-properties.c | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/hw/core/qdev-properties.c b/hw/core/qdev-properties.c index c34aac6ebc..357b8761b5 100644 --- a/hw/core/qdev-properties.c +++ b/hw/core/qdev-properties.c @@ -428,6 +428,25 @@ const PropertyInfo qdev_prop_int64 = { .set_default_value = qdev_propinfo_set_default_value_int, }; +static void set_uint64_checkmask(Object *obj, Visitor *v, const char *name, + void *opaque, Error **errp) +{ + Property *prop = opaque; + uint64_t *ptr = object_field_prop_ptr(obj, prop); + + visit_type_uint64(v, name, ptr, errp); + if (*ptr & ~prop->bitmask) { + error_setg(errp, "Property value for '%s' has bits outside mask '0x%" PRIx64 "'", + name, prop->bitmask); + } +} + +const PropertyInfo qdev_prop_uint64_checkmask = { + .name = "uint64", + .get = get_uint64, + .set = set_uint64_checkmask, +}; + /* --- string --- */ static void release_string(Object *obj, const char *name, void *opaque) |