From 5b4ff3c661374b2df247e12b58667e4643b30af1 Mon Sep 17 00:00:00 2001 From: Fam Zheng Date: Fri, 14 Jul 2017 10:14:52 +0800 Subject: qdev: Introduce DEFINE_PROP_LINK This property can be used to replace the object_property_add_link in device code, to add a link to other objects, which is a common pattern. Signed-off-by: Fam Zheng Message-Id: <20170714021509.23681-4-famz@redhat.com> Signed-off-by: Paolo Bonzini --- include/hw/qdev-core.h | 1 + include/hw/qdev-properties.h | 9 +++++++++ 2 files changed, 10 insertions(+) (limited to 'include/hw') diff --git a/include/hw/qdev-core.h b/include/hw/qdev-core.h index 33518ee..08d1d2c 100644 --- a/include/hw/qdev-core.h +++ b/include/hw/qdev-core.h @@ -233,6 +233,7 @@ struct Property { int arrayoffset; PropertyInfo *arrayinfo; int arrayfieldsize; + const char *link_type; }; struct PropertyInfo { diff --git a/include/hw/qdev-properties.h b/include/hw/qdev-properties.h index 9edded2..876ba2e 100644 --- a/include/hw/qdev-properties.h +++ b/include/hw/qdev-properties.h @@ -30,6 +30,7 @@ extern PropertyInfo qdev_prop_pci_devfn; extern PropertyInfo qdev_prop_blocksize; extern PropertyInfo qdev_prop_pci_host_devaddr; extern PropertyInfo qdev_prop_arraylen; +extern PropertyInfo qdev_prop_link; #define DEFINE_PROP(_name, _state, _field, _prop, _type) { \ .name = (_name), \ @@ -117,6 +118,14 @@ extern PropertyInfo qdev_prop_arraylen; .arrayoffset = offsetof(_state, _arrayfield), \ } +#define DEFINE_PROP_LINK(_name, _state, _field, _type, _ptr_type) { \ + .name = (_name), \ + .info = &(qdev_prop_link), \ + .offset = offsetof(_state, _field) \ + + type_check(_ptr_type, typeof_field(_state, _field)), \ + .link_type = _type, \ + } + #define DEFINE_PROP_UINT8(_n, _s, _f, _d) \ DEFINE_PROP_UNSIGNED(_n, _s, _f, _d, qdev_prop_uint8, uint8_t) #define DEFINE_PROP_UINT16(_n, _s, _f, _d) \ -- cgit v1.1