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bh=IXyUOnmUYpY+ShWZrhrIe3RnFmX8MuOeLyPSSeGeZRo=; b=Zn8Ng+RUm12PoKlqDoKRIBZ2GOaalZfeCF5DgLiSZZ7tBynZXkehr1iV4HL/bvfLy6C8FD O+SsE6h790ccUqSjCUIVIaK/+RHdYZYxp4V7Eau3q5Fk9LoCv3hYCC1nhvfY/eIYIhHI1k W90T7ujRfcn9JcyPhkDxvkk9j7x0P8g= Received: from mimecast-mx01.redhat.com (mimecast-mx01.redhat.com [209.132.183.4]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-105-CscNxkqRPjCIWzye9-3gOA-1; Wed, 04 Nov 2020 11:02:47 -0500 X-MC-Unique: CscNxkqRPjCIWzye9-3gOA-1 Received: from smtp.corp.redhat.com (int-mx03.intmail.prod.int.phx2.redhat.com [10.5.11.13]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id 959C9807104; Wed, 4 Nov 2020 16:01:45 +0000 (UTC) Received: from localhost (ovpn-114-68.rdu2.redhat.com [10.10.114.68]) by smtp.corp.redhat.com (Postfix) with ESMTP id 2C53A6EF74; Wed, 4 Nov 2020 16:01:45 +0000 (UTC) From: Eduardo Habkost To: qemu-devel@nongnu.org Subject: [PATCH v2 22/44] qdev: Move dev->realized check to qdev_property_set() Date: Wed, 4 Nov 2020 10:59:59 -0500 Message-Id: <20201104160021.2342108-23-ehabkost@redhat.com> In-Reply-To: <20201104160021.2342108-1-ehabkost@redhat.com> References: <20201104160021.2342108-1-ehabkost@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.13 Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=ehabkost@redhat.com X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Received-SPF: pass client-ip=216.205.24.124; envelope-from=ehabkost@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-detected-operating-system: by eggs.gnu.org: First seen = 2020/11/03 00:03:41 X-ACL-Warn: Detected OS = Linux 2.2.x-3.x [generic] [fuzzy] X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.001, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H4=0.001, RCVD_IN_MSPIKE_WL=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=unavailable autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Matthew Rosato , Paul Durrant , Mark Cave-Ayland , Stefano Stabellini , xen-devel@lists.xenproject.org, qemu-block@nongnu.org, Stefan Berger , David Hildenbrand , Markus Armbruster , Halil Pasic , Christian Borntraeger , Anthony Perard , =?UTF-8?q?Marc-Andr=C3=A9=20Lureau?= , =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= , Artyom Tarasenko , Thomas Huth , Alex Williamson , Paolo Bonzini , John Snow , Richard Henderson , Kevin Wolf , "Daniel P. Berrange" , Cornelia Huck , qemu-s390x@nongnu.org, Max Reitz , Igor Mammedov , Stefan Berger Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" Every single qdev property setter function manually checks dev->realized. We can just check dev->realized inside qdev_property_set() instead. The check is being added as a separate function (qdev_prop_allow_set()) because it will become a callback later. Signed-off-by: Eduardo Habkost --- Changes v1 -> v2: * Removed unused variable at xen_block_set_vdev() * Redone patch after changes in the previous patches in the series --- Cc: Stefan Berger Cc: Stefano Stabellini Cc: Anthony Perard Cc: Paul Durrant Cc: Kevin Wolf Cc: Max Reitz Cc: Paolo Bonzini Cc: "Daniel P. Berrangé" Cc: Eduardo Habkost Cc: Cornelia Huck Cc: Halil Pasic Cc: Christian Borntraeger Cc: Richard Henderson Cc: David Hildenbrand Cc: Thomas Huth Cc: Matthew Rosato Cc: Alex Williamson Cc: Mark Cave-Ayland Cc: Artyom Tarasenko Cc: qemu-devel@nongnu.org Cc: xen-devel@lists.xenproject.org Cc: qemu-block@nongnu.org Cc: qemu-s390x@nongnu.org --- backends/tpm/tpm_util.c | 6 -- hw/block/xen-block.c | 6 -- hw/core/qdev-properties-system.c | 70 ---------------------- hw/core/qdev-properties.c | 100 ++++++------------------------- hw/s390x/css.c | 6 -- hw/s390x/s390-pci-bus.c | 6 -- hw/vfio/pci-quirks.c | 6 -- target/sparc/cpu.c | 6 -- 8 files changed, 18 insertions(+), 188 deletions(-) diff --git a/backends/tpm/tpm_util.c b/backends/tpm/tpm_util.c index dba2f6b04a..0b07cf55ea 100644 --- a/backends/tpm/tpm_util.c +++ b/backends/tpm/tpm_util.c @@ -46,16 +46,10 @@ static void get_tpm(Object *obj, Visitor *v, const char *name, void *opaque, static void set_tpm(Object *obj, Visitor *v, const char *name, void *opaque, Error **errp) { - DeviceState *dev = DEVICE(obj); Property *prop = opaque; TPMBackend *s, **be = qdev_get_prop_ptr(obj, prop); char *str; - if (dev->realized) { - qdev_prop_set_after_realize(dev, name, errp); - return; - } - if (!visit_type_str(v, name, &str, errp)) { return; } diff --git a/hw/block/xen-block.c b/hw/block/xen-block.c index 905e4acd97..bd1aef63a7 100644 --- a/hw/block/xen-block.c +++ b/hw/block/xen-block.c @@ -395,17 +395,11 @@ static int vbd_name_to_disk(const char *name, const char **endp, static void xen_block_set_vdev(Object *obj, Visitor *v, const char *name, void *opaque, Error **errp) { - DeviceState *dev = DEVICE(obj); Property *prop = opaque; XenBlockVdev *vdev = qdev_get_prop_ptr(obj, prop); char *str, *p; const char *end; - if (dev->realized) { - qdev_prop_set_after_realize(dev, name, errp); - return; - } - if (!visit_type_str(v, name, &str, errp)) { return; } diff --git a/hw/core/qdev-properties-system.c b/hw/core/qdev-properties-system.c index 202abd0e4b..0d3e57bba0 100644 --- a/hw/core/qdev-properties-system.c +++ b/hw/core/qdev-properties-system.c @@ -94,11 +94,6 @@ static void set_drive_helper(Object *obj, Visitor *v, const char *name, bool blk_created = false; int ret; - if (dev->realized) { - qdev_prop_set_after_realize(dev, name, errp); - return; - } - if (!visit_type_str(v, name, &str, errp)) { return; } @@ -230,17 +225,11 @@ static void get_chr(Object *obj, Visitor *v, const char *name, void *opaque, static void set_chr(Object *obj, Visitor *v, const char *name, void *opaque, Error **errp) { - DeviceState *dev = DEVICE(obj); Property *prop = opaque; CharBackend *be = qdev_get_prop_ptr(obj, prop); Chardev *s; char *str; - if (dev->realized) { - qdev_prop_set_after_realize(dev, name, errp); - return; - } - if (!visit_type_str(v, name, &str, errp)) { return; } @@ -311,18 +300,12 @@ static void get_mac(Object *obj, Visitor *v, const char *name, void *opaque, static void set_mac(Object *obj, Visitor *v, const char *name, void *opaque, Error **errp) { - DeviceState *dev = DEVICE(obj); Property *prop = opaque; MACAddr *mac = qdev_get_prop_ptr(obj, prop); int i, pos; char *str; const char *p; - if (dev->realized) { - qdev_prop_set_after_realize(dev, name, errp); - return; - } - if (!visit_type_str(v, name, &str, errp)) { return; } @@ -390,7 +373,6 @@ static void get_netdev(Object *obj, Visitor *v, const char *name, static void set_netdev(Object *obj, Visitor *v, const char *name, void *opaque, Error **errp) { - DeviceState *dev = DEVICE(obj); Property *prop = opaque; NICPeers *peers_ptr = qdev_get_prop_ptr(obj, prop); NetClientState **ncs = peers_ptr->ncs; @@ -398,11 +380,6 @@ static void set_netdev(Object *obj, Visitor *v, const char *name, int queues, err = 0, i = 0; char *str; - if (dev->realized) { - qdev_prop_set_after_realize(dev, name, errp); - return; - } - if (!visit_type_str(v, name, &str, errp)) { return; } @@ -469,18 +446,12 @@ static void get_audiodev(Object *obj, Visitor *v, const char* name, static void set_audiodev(Object *obj, Visitor *v, const char* name, void *opaque, Error **errp) { - DeviceState *dev = DEVICE(obj); Property *prop = opaque; QEMUSoundCard *card = qdev_get_prop_ptr(obj, prop); AudioState *state; int err = 0; char *str; - if (dev->realized) { - qdev_prop_set_after_realize(dev, name, errp); - return; - } - if (!visit_type_str(v, name, &str, errp)) { return; } @@ -582,11 +553,6 @@ static void set_blocksize(Object *obj, Visitor *v, const char *name, uint64_t value; Error *local_err = NULL; - if (dev->realized) { - qdev_prop_set_after_realize(dev, name, errp); - return; - } - if (!visit_type_size(v, name, &value, errp)) { return; } @@ -686,7 +652,6 @@ static void get_reserved_region(Object *obj, Visitor *v, const char *name, static void set_reserved_region(Object *obj, Visitor *v, const char *name, void *opaque, Error **errp) { - DeviceState *dev = DEVICE(obj); Property *prop = opaque; ReservedRegion *rr = qdev_get_prop_ptr(obj, prop); Error *local_err = NULL; @@ -694,11 +659,6 @@ static void set_reserved_region(Object *obj, Visitor *v, const char *name, char *str; int ret; - if (dev->realized) { - qdev_prop_set_after_realize(dev, name, errp); - return; - } - visit_type_str(v, name, &str, &local_err); if (local_err) { error_propagate(errp, local_err); @@ -754,17 +714,11 @@ const PropertyInfo qdev_prop_reserved_region = { static void set_pci_devfn(Object *obj, Visitor *v, const char *name, void *opaque, Error **errp) { - DeviceState *dev = DEVICE(obj); Property *prop = opaque; int32_t value, *ptr = qdev_get_prop_ptr(obj, prop); unsigned int slot, fn, n; char *str; - if (dev->realized) { - qdev_prop_set_after_realize(dev, name, errp); - return; - } - if (!visit_type_str(v, name, &str, NULL)) { if (!visit_type_int32(v, name, &value, errp)) { return; @@ -848,7 +802,6 @@ static void get_pci_host_devaddr(Object *obj, Visitor *v, const char *name, static void set_pci_host_devaddr(Object *obj, Visitor *v, const char *name, void *opaque, Error **errp) { - DeviceState *dev = DEVICE(obj); Property *prop = opaque; PCIHostDeviceAddress *addr = qdev_get_prop_ptr(obj, prop); char *str, *p; @@ -857,11 +810,6 @@ static void set_pci_host_devaddr(Object *obj, Visitor *v, const char *name, unsigned long dom = 0, bus = 0; unsigned int slot = 0, func = 0; - if (dev->realized) { - qdev_prop_set_after_realize(dev, name, errp); - return; - } - if (!visit_type_str(v, name, &str, errp)) { return; } @@ -971,16 +919,10 @@ static void get_prop_pcielinkspeed(Object *obj, Visitor *v, const char *name, static void set_prop_pcielinkspeed(Object *obj, Visitor *v, const char *name, void *opaque, Error **errp) { - DeviceState *dev = DEVICE(obj); Property *prop = opaque; PCIExpLinkSpeed *p = qdev_get_prop_ptr(obj, prop); int speed; - if (dev->realized) { - qdev_prop_set_after_realize(dev, name, errp); - return; - } - if (!visit_type_enum(v, name, &speed, prop->info->enum_table, errp)) { return; @@ -1056,16 +998,10 @@ static void get_prop_pcielinkwidth(Object *obj, Visitor *v, const char *name, static void set_prop_pcielinkwidth(Object *obj, Visitor *v, const char *name, void *opaque, Error **errp) { - DeviceState *dev = DEVICE(obj); Property *prop = opaque; PCIExpLinkWidth *p = qdev_get_prop_ptr(obj, prop); int width; - if (dev->realized) { - qdev_prop_set_after_realize(dev, name, errp); - return; - } - if (!visit_type_enum(v, name, &width, prop->info->enum_table, errp)) { return; @@ -1128,16 +1064,10 @@ static void get_uuid(Object *obj, Visitor *v, const char *name, void *opaque, static void set_uuid(Object *obj, Visitor *v, const char *name, void *opaque, Error **errp) { - DeviceState *dev = DEVICE(obj); Property *prop = opaque; QemuUUID *uuid = qdev_get_prop_ptr(obj, prop); char *str; - if (dev->realized) { - qdev_prop_set_after_realize(dev, name, errp); - return; - } - if (!visit_type_str(v, name, &str, errp)) { return; } diff --git a/hw/core/qdev-properties.c b/hw/core/qdev-properties.c index 0e5ff81da8..ff36eb250e 100644 --- a/hw/core/qdev-properties.c +++ b/hw/core/qdev-properties.c @@ -24,6 +24,19 @@ void qdev_prop_set_after_realize(DeviceState *dev, const char *name, } } +/* returns: true if property is allowed to be set, false otherwise */ +static bool qdev_prop_allow_set(Object *obj, const char *name, + Error **errp) +{ + DeviceState *dev = DEVICE(obj); + + if (dev->realized) { + qdev_prop_set_after_realize(dev, name, errp); + return false; + } + return true; +} + void qdev_prop_allow_set_link_before_realize(const Object *obj, const char *name, Object *val, Error **errp) @@ -65,6 +78,11 @@ static void field_prop_set(Object *obj, Visitor *v, const char *name, void *opaque, Error **errp) { Property *prop = opaque; + + if (!qdev_prop_allow_set(obj, name, errp)) { + return; + } + return prop->info->set(obj, v, name, opaque, errp); } @@ -90,15 +108,9 @@ void qdev_propinfo_get_enum(Object *obj, Visitor *v, const char *name, void qdev_propinfo_set_enum(Object *obj, Visitor *v, const char *name, void *opaque, Error **errp) { - DeviceState *dev = DEVICE(obj); Property *prop = opaque; int *ptr = qdev_get_prop_ptr(obj, prop); - if (dev->realized) { - qdev_prop_set_after_realize(dev, name, errp); - return; - } - visit_type_enum(v, name, ptr, prop->info->enum_table, errp); } @@ -148,15 +160,9 @@ static void prop_get_bit(Object *obj, Visitor *v, const char *name, static void prop_set_bit(Object *obj, Visitor *v, const char *name, void *opaque, Error **errp) { - DeviceState *dev = DEVICE(obj); Property *prop = opaque; bool value; - if (dev->realized) { - qdev_prop_set_after_realize(dev, name, errp); - return; - } - if (!visit_type_bool(v, name, &value, errp)) { return; } @@ -208,15 +214,9 @@ static void prop_get_bit64(Object *obj, Visitor *v, const char *name, static void prop_set_bit64(Object *obj, Visitor *v, const char *name, void *opaque, Error **errp) { - DeviceState *dev = DEVICE(obj); Property *prop = opaque; bool value; - if (dev->realized) { - qdev_prop_set_after_realize(dev, name, errp); - return; - } - if (!visit_type_bool(v, name, &value, errp)) { return; } @@ -245,15 +245,9 @@ static void get_bool(Object *obj, Visitor *v, const char *name, void *opaque, static void set_bool(Object *obj, Visitor *v, const char *name, void *opaque, Error **errp) { - DeviceState *dev = DEVICE(obj); Property *prop = opaque; bool *ptr = qdev_get_prop_ptr(obj, prop); - if (dev->realized) { - qdev_prop_set_after_realize(dev, name, errp); - return; - } - visit_type_bool(v, name, ptr, errp); } @@ -278,15 +272,9 @@ static void get_uint8(Object *obj, Visitor *v, const char *name, void *opaque, static void set_uint8(Object *obj, Visitor *v, const char *name, void *opaque, Error **errp) { - DeviceState *dev = DEVICE(obj); Property *prop = opaque; uint8_t *ptr = qdev_get_prop_ptr(obj, prop); - if (dev->realized) { - qdev_prop_set_after_realize(dev, name, errp); - return; - } - visit_type_uint8(v, name, ptr, errp); } @@ -323,15 +311,9 @@ void qdev_propinfo_get_uint16(Object *obj, Visitor *v, const char *name, static void set_uint16(Object *obj, Visitor *v, const char *name, void *opaque, Error **errp) { - DeviceState *dev = DEVICE(obj); Property *prop = opaque; uint16_t *ptr = qdev_get_prop_ptr(obj, prop); - if (dev->realized) { - qdev_prop_set_after_realize(dev, name, errp); - return; - } - visit_type_uint16(v, name, ptr, errp); } @@ -356,15 +338,9 @@ static void get_uint32(Object *obj, Visitor *v, const char *name, static void set_uint32(Object *obj, Visitor *v, const char *name, void *opaque, Error **errp) { - DeviceState *dev = DEVICE(obj); Property *prop = opaque; uint32_t *ptr = qdev_get_prop_ptr(obj, prop); - if (dev->realized) { - qdev_prop_set_after_realize(dev, name, errp); - return; - } - visit_type_uint32(v, name, ptr, errp); } @@ -380,15 +356,9 @@ void qdev_propinfo_get_int32(Object *obj, Visitor *v, const char *name, static void set_int32(Object *obj, Visitor *v, const char *name, void *opaque, Error **errp) { - DeviceState *dev = DEVICE(obj); Property *prop = opaque; int32_t *ptr = qdev_get_prop_ptr(obj, prop); - if (dev->realized) { - qdev_prop_set_after_realize(dev, name, errp); - return; - } - visit_type_int32(v, name, ptr, errp); } @@ -420,15 +390,9 @@ static void get_uint64(Object *obj, Visitor *v, const char *name, static void set_uint64(Object *obj, Visitor *v, const char *name, void *opaque, Error **errp) { - DeviceState *dev = DEVICE(obj); Property *prop = opaque; uint64_t *ptr = qdev_get_prop_ptr(obj, prop); - if (dev->realized) { - qdev_prop_set_after_realize(dev, name, errp); - return; - } - visit_type_uint64(v, name, ptr, errp); } @@ -444,15 +408,9 @@ static void get_int64(Object *obj, Visitor *v, const char *name, static void set_int64(Object *obj, Visitor *v, const char *name, void *opaque, Error **errp) { - DeviceState *dev = DEVICE(obj); Property *prop = opaque; int64_t *ptr = qdev_get_prop_ptr(obj, prop); - if (dev->realized) { - qdev_prop_set_after_realize(dev, name, errp); - return; - } - visit_type_int64(v, name, ptr, errp); } @@ -495,16 +453,10 @@ static void get_string(Object *obj, Visitor *v, const char *name, static void set_string(Object *obj, Visitor *v, const char *name, void *opaque, Error **errp) { - DeviceState *dev = DEVICE(obj); Property *prop = opaque; char **ptr = qdev_get_prop_ptr(obj, prop); char *str; - if (dev->realized) { - qdev_prop_set_after_realize(dev, name, errp); - return; - } - if (!visit_type_str(v, name, &str, errp)) { return; } @@ -545,16 +497,10 @@ void qdev_propinfo_get_size32(Object *obj, Visitor *v, const char *name, static void set_size32(Object *obj, Visitor *v, const char *name, void *opaque, Error **errp) { - DeviceState *dev = DEVICE(obj); Property *prop = opaque; uint32_t *ptr = qdev_get_prop_ptr(obj, prop); uint64_t value; - if (dev->realized) { - qdev_prop_set_after_realize(dev, name, errp); - return; - } - if (!visit_type_size(v, name, &value, errp)) { return; } @@ -621,10 +567,6 @@ static void set_prop_arraylen(Object *obj, Visitor *v, const char *name, const char *arrayname; int i; - if (dev->realized) { - qdev_prop_set_after_realize(dev, name, errp); - return; - } if (*alenptr) { error_setg(errp, "array size property %s may not be set more than once", name); @@ -864,15 +806,9 @@ static void get_size(Object *obj, Visitor *v, const char *name, void *opaque, static void set_size(Object *obj, Visitor *v, const char *name, void *opaque, Error **errp) { - DeviceState *dev = DEVICE(obj); Property *prop = opaque; uint64_t *ptr = qdev_get_prop_ptr(obj, prop); - if (dev->realized) { - qdev_prop_set_after_realize(dev, name, errp); - return; - } - visit_type_size(v, name, ptr, errp); } diff --git a/hw/s390x/css.c b/hw/s390x/css.c index 7a44320d12..496e2c5801 100644 --- a/hw/s390x/css.c +++ b/hw/s390x/css.c @@ -2372,18 +2372,12 @@ static void get_css_devid(Object *obj, Visitor *v, const char *name, static void set_css_devid(Object *obj, Visitor *v, const char *name, void *opaque, Error **errp) { - DeviceState *dev = DEVICE(obj); Property *prop = opaque; CssDevId *dev_id = qdev_get_prop_ptr(obj, prop); char *str; int num, n1, n2; unsigned int cssid, ssid, devid; - if (dev->realized) { - qdev_prop_set_after_realize(dev, name, errp); - return; - } - if (!visit_type_str(v, name, &str, errp)) { return; } diff --git a/hw/s390x/s390-pci-bus.c b/hw/s390x/s390-pci-bus.c index ab27b6e848..54fac3851d 100644 --- a/hw/s390x/s390-pci-bus.c +++ b/hw/s390x/s390-pci-bus.c @@ -1331,16 +1331,10 @@ static void s390_pci_get_fid(Object *obj, Visitor *v, const char *name, static void s390_pci_set_fid(Object *obj, Visitor *v, const char *name, void *opaque, Error **errp) { - DeviceState *dev = DEVICE(obj); S390PCIBusDevice *zpci = S390_PCI_DEVICE(obj); Property *prop = opaque; uint32_t *ptr = qdev_get_prop_ptr(obj, prop); - if (dev->realized) { - qdev_prop_set_after_realize(dev, name, errp); - return; - } - if (!visit_type_uint32(v, name, ptr, errp)) { return; } diff --git a/hw/vfio/pci-quirks.c b/hw/vfio/pci-quirks.c index 53569925a2..802979635c 100644 --- a/hw/vfio/pci-quirks.c +++ b/hw/vfio/pci-quirks.c @@ -1498,15 +1498,9 @@ static void set_nv_gpudirect_clique_id(Object *obj, Visitor *v, const char *name, void *opaque, Error **errp) { - DeviceState *dev = DEVICE(obj); Property *prop = opaque; uint8_t value, *ptr = qdev_get_prop_ptr(obj, prop); - if (dev->realized) { - qdev_prop_set_after_realize(dev, name, errp); - return; - } - if (!visit_type_uint8(v, name, &value, errp)) { return; } diff --git a/target/sparc/cpu.c b/target/sparc/cpu.c index f5cff4103b..3375fffb38 100644 --- a/target/sparc/cpu.c +++ b/target/sparc/cpu.c @@ -798,17 +798,11 @@ static void sparc_get_nwindows(Object *obj, Visitor *v, const char *name, static void sparc_set_nwindows(Object *obj, Visitor *v, const char *name, void *opaque, Error **errp) { - DeviceState *dev = DEVICE(obj); const int64_t min = MIN_NWINDOWS; const int64_t max = MAX_NWINDOWS; SPARCCPU *cpu = SPARC_CPU(obj); int64_t value; - if (dev->realized) { - qdev_prop_set_after_realize(dev, name, errp); - return; - } - if (!visit_type_int(v, name, &value, errp)) { return; } -- 2.28.0 From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-9.8 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS, URIBL_BLOCKED autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id E51DAC2D0A3 for ; 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Wed, 4 Nov 2020 16:01:45 +0000 (UTC) Received: from localhost (ovpn-114-68.rdu2.redhat.com [10.10.114.68]) by smtp.corp.redhat.com (Postfix) with ESMTP id 2C53A6EF74; Wed, 4 Nov 2020 16:01:45 +0000 (UTC) From: Eduardo Habkost To: qemu-devel@nongnu.org Cc: "Daniel P. Berrange" , Paolo Bonzini , Igor Mammedov , Eric Blake , Stefan Berger , Markus Armbruster , =?UTF-8?q?Marc-Andr=C3=A9=20Lureau?= , John Snow , =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= , Stefan Berger , Stefano Stabellini , Anthony Perard , Paul Durrant , Kevin Wolf , Max Reitz , Cornelia Huck , Halil Pasic , Christian Borntraeger , Richard Henderson , David Hildenbrand , Thomas Huth , Matthew Rosato , Alex Williamson , Mark Cave-Ayland , Artyom Tarasenko , xen-devel@lists.xenproject.org, qemu-block@nongnu.org, qemu-s390x@nongnu.org Subject: [PATCH v2 22/44] qdev: Move dev->realized check to qdev_property_set() Date: Wed, 4 Nov 2020 10:59:59 -0500 Message-Id: <20201104160021.2342108-23-ehabkost@redhat.com> In-Reply-To: <20201104160021.2342108-1-ehabkost@redhat.com> References: <20201104160021.2342108-1-ehabkost@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.13 Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=ehabkost@redhat.com X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Every single qdev property setter function manually checks dev->realized. We can just check dev->realized inside qdev_property_set() instead. The check is being added as a separate function (qdev_prop_allow_set()) because it will become a callback later. Signed-off-by: Eduardo Habkost --- Changes v1 -> v2: * Removed unused variable at xen_block_set_vdev() * Redone patch after changes in the previous patches in the series --- Cc: Stefan Berger Cc: Stefano Stabellini Cc: Anthony Perard Cc: Paul Durrant Cc: Kevin Wolf Cc: Max Reitz Cc: Paolo Bonzini Cc: "Daniel P. Berrangé" Cc: Eduardo Habkost Cc: Cornelia Huck Cc: Halil Pasic Cc: Christian Borntraeger Cc: Richard Henderson Cc: David Hildenbrand Cc: Thomas Huth Cc: Matthew Rosato Cc: Alex Williamson Cc: Mark Cave-Ayland Cc: Artyom Tarasenko Cc: qemu-devel@nongnu.org Cc: xen-devel@lists.xenproject.org Cc: qemu-block@nongnu.org Cc: qemu-s390x@nongnu.org --- backends/tpm/tpm_util.c | 6 -- hw/block/xen-block.c | 6 -- hw/core/qdev-properties-system.c | 70 ---------------------- hw/core/qdev-properties.c | 100 ++++++------------------------- hw/s390x/css.c | 6 -- hw/s390x/s390-pci-bus.c | 6 -- hw/vfio/pci-quirks.c | 6 -- target/sparc/cpu.c | 6 -- 8 files changed, 18 insertions(+), 188 deletions(-) diff --git a/backends/tpm/tpm_util.c b/backends/tpm/tpm_util.c index dba2f6b04a..0b07cf55ea 100644 --- a/backends/tpm/tpm_util.c +++ b/backends/tpm/tpm_util.c @@ -46,16 +46,10 @@ static void get_tpm(Object *obj, Visitor *v, const char *name, void *opaque, static void set_tpm(Object *obj, Visitor *v, const char *name, void *opaque, Error **errp) { - DeviceState *dev = DEVICE(obj); Property *prop = opaque; TPMBackend *s, **be = qdev_get_prop_ptr(obj, prop); char *str; - if (dev->realized) { - qdev_prop_set_after_realize(dev, name, errp); - return; - } - if (!visit_type_str(v, name, &str, errp)) { return; } diff --git a/hw/block/xen-block.c b/hw/block/xen-block.c index 905e4acd97..bd1aef63a7 100644 --- a/hw/block/xen-block.c +++ b/hw/block/xen-block.c @@ -395,17 +395,11 @@ static int vbd_name_to_disk(const char *name, const char **endp, static void xen_block_set_vdev(Object *obj, Visitor *v, const char *name, void *opaque, Error **errp) { - DeviceState *dev = DEVICE(obj); Property *prop = opaque; XenBlockVdev *vdev = qdev_get_prop_ptr(obj, prop); char *str, *p; const char *end; - if (dev->realized) { - qdev_prop_set_after_realize(dev, name, errp); - return; - } - if (!visit_type_str(v, name, &str, errp)) { return; } diff --git a/hw/core/qdev-properties-system.c b/hw/core/qdev-properties-system.c index 202abd0e4b..0d3e57bba0 100644 --- a/hw/core/qdev-properties-system.c +++ b/hw/core/qdev-properties-system.c @@ -94,11 +94,6 @@ static void set_drive_helper(Object *obj, Visitor *v, const char *name, bool blk_created = false; int ret; - if (dev->realized) { - qdev_prop_set_after_realize(dev, name, errp); - return; - } - if (!visit_type_str(v, name, &str, errp)) { return; } @@ -230,17 +225,11 @@ static void get_chr(Object *obj, Visitor *v, const char *name, void *opaque, static void set_chr(Object *obj, Visitor *v, const char *name, void *opaque, Error **errp) { - DeviceState *dev = DEVICE(obj); Property *prop = opaque; CharBackend *be = qdev_get_prop_ptr(obj, prop); Chardev *s; char *str; - if (dev->realized) { - qdev_prop_set_after_realize(dev, name, errp); - return; - } - if (!visit_type_str(v, name, &str, errp)) { return; } @@ -311,18 +300,12 @@ static void get_mac(Object *obj, Visitor *v, const char *name, void *opaque, static void set_mac(Object *obj, Visitor *v, const char *name, void *opaque, Error **errp) { - DeviceState *dev = DEVICE(obj); Property *prop = opaque; MACAddr *mac = qdev_get_prop_ptr(obj, prop); int i, pos; char *str; const char *p; - if (dev->realized) { - qdev_prop_set_after_realize(dev, name, errp); - return; - } - if (!visit_type_str(v, name, &str, errp)) { return; } @@ -390,7 +373,6 @@ static void get_netdev(Object *obj, Visitor *v, const char *name, static void set_netdev(Object *obj, Visitor *v, const char *name, void *opaque, Error **errp) { - DeviceState *dev = DEVICE(obj); Property *prop = opaque; NICPeers *peers_ptr = qdev_get_prop_ptr(obj, prop); NetClientState **ncs = peers_ptr->ncs; @@ -398,11 +380,6 @@ static void set_netdev(Object *obj, Visitor *v, const char *name, int queues, err = 0, i = 0; char *str; - if (dev->realized) { - qdev_prop_set_after_realize(dev, name, errp); - return; - } - if (!visit_type_str(v, name, &str, errp)) { return; } @@ -469,18 +446,12 @@ static void get_audiodev(Object *obj, Visitor *v, const char* name, static void set_audiodev(Object *obj, Visitor *v, const char* name, void *opaque, Error **errp) { - DeviceState *dev = DEVICE(obj); Property *prop = opaque; QEMUSoundCard *card = qdev_get_prop_ptr(obj, prop); AudioState *state; int err = 0; char *str; - if (dev->realized) { - qdev_prop_set_after_realize(dev, name, errp); - return; - } - if (!visit_type_str(v, name, &str, errp)) { return; } @@ -582,11 +553,6 @@ static void set_blocksize(Object *obj, Visitor *v, const char *name, uint64_t value; Error *local_err = NULL; - if (dev->realized) { - qdev_prop_set_after_realize(dev, name, errp); - return; - } - if (!visit_type_size(v, name, &value, errp)) { return; } @@ -686,7 +652,6 @@ static void get_reserved_region(Object *obj, Visitor *v, const char *name, static void set_reserved_region(Object *obj, Visitor *v, const char *name, void *opaque, Error **errp) { - DeviceState *dev = DEVICE(obj); Property *prop = opaque; ReservedRegion *rr = qdev_get_prop_ptr(obj, prop); Error *local_err = NULL; @@ -694,11 +659,6 @@ static void set_reserved_region(Object *obj, Visitor *v, const char *name, char *str; int ret; - if (dev->realized) { - qdev_prop_set_after_realize(dev, name, errp); - return; - } - visit_type_str(v, name, &str, &local_err); if (local_err) { error_propagate(errp, local_err); @@ -754,17 +714,11 @@ const PropertyInfo qdev_prop_reserved_region = { static void set_pci_devfn(Object *obj, Visitor *v, const char *name, void *opaque, Error **errp) { - DeviceState *dev = DEVICE(obj); Property *prop = opaque; int32_t value, *ptr = qdev_get_prop_ptr(obj, prop); unsigned int slot, fn, n; char *str; - if (dev->realized) { - qdev_prop_set_after_realize(dev, name, errp); - return; - } - if (!visit_type_str(v, name, &str, NULL)) { if (!visit_type_int32(v, name, &value, errp)) { return; @@ -848,7 +802,6 @@ static void get_pci_host_devaddr(Object *obj, Visitor *v, const char *name, static void set_pci_host_devaddr(Object *obj, Visitor *v, const char *name, void *opaque, Error **errp) { - DeviceState *dev = DEVICE(obj); Property *prop = opaque; PCIHostDeviceAddress *addr = qdev_get_prop_ptr(obj, prop); char *str, *p; @@ -857,11 +810,6 @@ static void set_pci_host_devaddr(Object *obj, Visitor *v, const char *name, unsigned long dom = 0, bus = 0; unsigned int slot = 0, func = 0; - if (dev->realized) { - qdev_prop_set_after_realize(dev, name, errp); - return; - } - if (!visit_type_str(v, name, &str, errp)) { return; } @@ -971,16 +919,10 @@ static void get_prop_pcielinkspeed(Object *obj, Visitor *v, const char *name, static void set_prop_pcielinkspeed(Object *obj, Visitor *v, const char *name, void *opaque, Error **errp) { - DeviceState *dev = DEVICE(obj); Property *prop = opaque; PCIExpLinkSpeed *p = qdev_get_prop_ptr(obj, prop); int speed; - if (dev->realized) { - qdev_prop_set_after_realize(dev, name, errp); - return; - } - if (!visit_type_enum(v, name, &speed, prop->info->enum_table, errp)) { return; @@ -1056,16 +998,10 @@ static void get_prop_pcielinkwidth(Object *obj, Visitor *v, const char *name, static void set_prop_pcielinkwidth(Object *obj, Visitor *v, const char *name, void *opaque, Error **errp) { - DeviceState *dev = DEVICE(obj); Property *prop = opaque; PCIExpLinkWidth *p = qdev_get_prop_ptr(obj, prop); int width; - if (dev->realized) { - qdev_prop_set_after_realize(dev, name, errp); - return; - } - if (!visit_type_enum(v, name, &width, prop->info->enum_table, errp)) { return; @@ -1128,16 +1064,10 @@ static void get_uuid(Object *obj, Visitor *v, const char *name, void *opaque, static void set_uuid(Object *obj, Visitor *v, const char *name, void *opaque, Error **errp) { - DeviceState *dev = DEVICE(obj); Property *prop = opaque; QemuUUID *uuid = qdev_get_prop_ptr(obj, prop); char *str; - if (dev->realized) { - qdev_prop_set_after_realize(dev, name, errp); - return; - } - if (!visit_type_str(v, name, &str, errp)) { return; } diff --git a/hw/core/qdev-properties.c b/hw/core/qdev-properties.c index 0e5ff81da8..ff36eb250e 100644 --- a/hw/core/qdev-properties.c +++ b/hw/core/qdev-properties.c @@ -24,6 +24,19 @@ void qdev_prop_set_after_realize(DeviceState *dev, const char *name, } } +/* returns: true if property is allowed to be set, false otherwise */ +static bool qdev_prop_allow_set(Object *obj, const char *name, + Error **errp) +{ + DeviceState *dev = DEVICE(obj); + + if (dev->realized) { + qdev_prop_set_after_realize(dev, name, errp); + return false; + } + return true; +} + void qdev_prop_allow_set_link_before_realize(const Object *obj, const char *name, Object *val, Error **errp) @@ -65,6 +78,11 @@ static void field_prop_set(Object *obj, Visitor *v, const char *name, void *opaque, Error **errp) { Property *prop = opaque; + + if (!qdev_prop_allow_set(obj, name, errp)) { + return; + } + return prop->info->set(obj, v, name, opaque, errp); } @@ -90,15 +108,9 @@ void qdev_propinfo_get_enum(Object *obj, Visitor *v, const char *name, void qdev_propinfo_set_enum(Object *obj, Visitor *v, const char *name, void *opaque, Error **errp) { - DeviceState *dev = DEVICE(obj); Property *prop = opaque; int *ptr = qdev_get_prop_ptr(obj, prop); - if (dev->realized) { - qdev_prop_set_after_realize(dev, name, errp); - return; - } - visit_type_enum(v, name, ptr, prop->info->enum_table, errp); } @@ -148,15 +160,9 @@ static void prop_get_bit(Object *obj, Visitor *v, const char *name, static void prop_set_bit(Object *obj, Visitor *v, const char *name, void *opaque, Error **errp) { - DeviceState *dev = DEVICE(obj); Property *prop = opaque; bool value; - if (dev->realized) { - qdev_prop_set_after_realize(dev, name, errp); - return; - } - if (!visit_type_bool(v, name, &value, errp)) { return; } @@ -208,15 +214,9 @@ static void prop_get_bit64(Object *obj, Visitor *v, const char *name, static void prop_set_bit64(Object *obj, Visitor *v, const char *name, void *opaque, Error **errp) { - DeviceState *dev = DEVICE(obj); Property *prop = opaque; bool value; - if (dev->realized) { - qdev_prop_set_after_realize(dev, name, errp); - return; - } - if (!visit_type_bool(v, name, &value, errp)) { return; } @@ -245,15 +245,9 @@ static void get_bool(Object *obj, Visitor *v, const char *name, void *opaque, static void set_bool(Object *obj, Visitor *v, const char *name, void *opaque, Error **errp) { - DeviceState *dev = DEVICE(obj); Property *prop = opaque; bool *ptr = qdev_get_prop_ptr(obj, prop); - if (dev->realized) { - qdev_prop_set_after_realize(dev, name, errp); - return; - } - visit_type_bool(v, name, ptr, errp); } @@ -278,15 +272,9 @@ static void get_uint8(Object *obj, Visitor *v, const char *name, void *opaque, static void set_uint8(Object *obj, Visitor *v, const char *name, void *opaque, Error **errp) { - DeviceState *dev = DEVICE(obj); Property *prop = opaque; uint8_t *ptr = qdev_get_prop_ptr(obj, prop); - if (dev->realized) { - qdev_prop_set_after_realize(dev, name, errp); - return; - } - visit_type_uint8(v, name, ptr, errp); } @@ -323,15 +311,9 @@ void qdev_propinfo_get_uint16(Object *obj, Visitor *v, const char *name, static void set_uint16(Object *obj, Visitor *v, const char *name, void *opaque, Error **errp) { - DeviceState *dev = DEVICE(obj); Property *prop = opaque; uint16_t *ptr = qdev_get_prop_ptr(obj, prop); - if (dev->realized) { - qdev_prop_set_after_realize(dev, name, errp); - return; - } - visit_type_uint16(v, name, ptr, errp); } @@ -356,15 +338,9 @@ static void get_uint32(Object *obj, Visitor *v, const char *name, static void set_uint32(Object *obj, Visitor *v, const char *name, void *opaque, Error **errp) { - DeviceState *dev = DEVICE(obj); Property *prop = opaque; uint32_t *ptr = qdev_get_prop_ptr(obj, prop); - if (dev->realized) { - qdev_prop_set_after_realize(dev, name, errp); - return; - } - visit_type_uint32(v, name, ptr, errp); } @@ -380,15 +356,9 @@ void qdev_propinfo_get_int32(Object *obj, Visitor *v, const char *name, static void set_int32(Object *obj, Visitor *v, const char *name, void *opaque, Error **errp) { - DeviceState *dev = DEVICE(obj); Property *prop = opaque; int32_t *ptr = qdev_get_prop_ptr(obj, prop); - if (dev->realized) { - qdev_prop_set_after_realize(dev, name, errp); - return; - } - visit_type_int32(v, name, ptr, errp); } @@ -420,15 +390,9 @@ static void get_uint64(Object *obj, Visitor *v, const char *name, static void set_uint64(Object *obj, Visitor *v, const char *name, void *opaque, Error **errp) { - DeviceState *dev = DEVICE(obj); Property *prop = opaque; uint64_t *ptr = qdev_get_prop_ptr(obj, prop); - if (dev->realized) { - qdev_prop_set_after_realize(dev, name, errp); - return; - } - visit_type_uint64(v, name, ptr, errp); } @@ -444,15 +408,9 @@ static void get_int64(Object *obj, Visitor *v, const char *name, static void set_int64(Object *obj, Visitor *v, const char *name, void *opaque, Error **errp) { - DeviceState *dev = DEVICE(obj); Property *prop = opaque; int64_t *ptr = qdev_get_prop_ptr(obj, prop); - if (dev->realized) { - qdev_prop_set_after_realize(dev, name, errp); - return; - } - visit_type_int64(v, name, ptr, errp); } @@ -495,16 +453,10 @@ static void get_string(Object *obj, Visitor *v, const char *name, static void set_string(Object *obj, Visitor *v, const char *name, void *opaque, Error **errp) { - DeviceState *dev = DEVICE(obj); Property *prop = opaque; char **ptr = qdev_get_prop_ptr(obj, prop); char *str; - if (dev->realized) { - qdev_prop_set_after_realize(dev, name, errp); - return; - } - if (!visit_type_str(v, name, &str, errp)) { return; } @@ -545,16 +497,10 @@ void qdev_propinfo_get_size32(Object *obj, Visitor *v, const char *name, static void set_size32(Object *obj, Visitor *v, const char *name, void *opaque, Error **errp) { - DeviceState *dev = DEVICE(obj); Property *prop = opaque; uint32_t *ptr = qdev_get_prop_ptr(obj, prop); uint64_t value; - if (dev->realized) { - qdev_prop_set_after_realize(dev, name, errp); - return; - } - if (!visit_type_size(v, name, &value, errp)) { return; } @@ -621,10 +567,6 @@ static void set_prop_arraylen(Object *obj, Visitor *v, const char *name, const char *arrayname; int i; - if (dev->realized) { - qdev_prop_set_after_realize(dev, name, errp); - return; - } if (*alenptr) { error_setg(errp, "array size property %s may not be set more than once", name); @@ -864,15 +806,9 @@ static void get_size(Object *obj, Visitor *v, const char *name, void *opaque, static void set_size(Object *obj, Visitor *v, const char *name, void *opaque, Error **errp) { - DeviceState *dev = DEVICE(obj); Property *prop = opaque; uint64_t *ptr = qdev_get_prop_ptr(obj, prop); - if (dev->realized) { - qdev_prop_set_after_realize(dev, name, errp); - return; - } - visit_type_size(v, name, ptr, errp); } diff --git a/hw/s390x/css.c b/hw/s390x/css.c index 7a44320d12..496e2c5801 100644 --- a/hw/s390x/css.c +++ b/hw/s390x/css.c @@ -2372,18 +2372,12 @@ static void get_css_devid(Object *obj, Visitor *v, const char *name, static void set_css_devid(Object *obj, Visitor *v, const char *name, void *opaque, Error **errp) { - DeviceState *dev = DEVICE(obj); Property *prop = opaque; CssDevId *dev_id = qdev_get_prop_ptr(obj, prop); char *str; int num, n1, n2; unsigned int cssid, ssid, devid; - if (dev->realized) { - qdev_prop_set_after_realize(dev, name, errp); - return; - } - if (!visit_type_str(v, name, &str, errp)) { return; } diff --git a/hw/s390x/s390-pci-bus.c b/hw/s390x/s390-pci-bus.c index ab27b6e848..54fac3851d 100644 --- a/hw/s390x/s390-pci-bus.c +++ b/hw/s390x/s390-pci-bus.c @@ -1331,16 +1331,10 @@ static void s390_pci_get_fid(Object *obj, Visitor *v, const char *name, static void s390_pci_set_fid(Object *obj, Visitor *v, const char *name, void *opaque, Error **errp) { - DeviceState *dev = DEVICE(obj); S390PCIBusDevice *zpci = S390_PCI_DEVICE(obj); Property *prop = opaque; uint32_t *ptr = qdev_get_prop_ptr(obj, prop); - if (dev->realized) { - qdev_prop_set_after_realize(dev, name, errp); - return; - } - if (!visit_type_uint32(v, name, ptr, errp)) { return; } diff --git a/hw/vfio/pci-quirks.c b/hw/vfio/pci-quirks.c index 53569925a2..802979635c 100644 --- a/hw/vfio/pci-quirks.c +++ b/hw/vfio/pci-quirks.c @@ -1498,15 +1498,9 @@ static void set_nv_gpudirect_clique_id(Object *obj, Visitor *v, const char *name, void *opaque, Error **errp) { - DeviceState *dev = DEVICE(obj); Property *prop = opaque; uint8_t value, *ptr = qdev_get_prop_ptr(obj, prop); - if (dev->realized) { - qdev_prop_set_after_realize(dev, name, errp); - return; - } - if (!visit_type_uint8(v, name, &value, errp)) { return; } diff --git a/target/sparc/cpu.c b/target/sparc/cpu.c index f5cff4103b..3375fffb38 100644 --- a/target/sparc/cpu.c +++ b/target/sparc/cpu.c @@ -798,17 +798,11 @@ static void sparc_get_nwindows(Object *obj, Visitor *v, const char *name, static void sparc_set_nwindows(Object *obj, Visitor *v, const char *name, void *opaque, Error **errp) { - DeviceState *dev = DEVICE(obj); const int64_t min = MIN_NWINDOWS; const int64_t max = MAX_NWINDOWS; SPARCCPU *cpu = SPARC_CPU(obj); int64_t value; - if (dev->realized) { - qdev_prop_set_after_realize(dev, name, errp); - return; - } - if (!visit_type_int(v, name, &value, errp)) { return; } -- 2.28.0