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Tsirkin" Subject: [PATCH 1/4] igvm: make igvm-cfg object resetable Date: Tue, 18 Nov 2025 13:21:29 +0100 Message-ID: <20251118122133.1695767-2-kraxel@redhat.com> In-Reply-To: <20251118122133.1695767-1-kraxel@redhat.com> References: <20251118122133.1695767-1-kraxel@redhat.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-Scanned-By: MIMEDefang 3.4.1 on 10.30.177.4 Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=170.10.133.124; envelope-from=kraxel@redhat.com; helo=us-smtp-delivery-124.mimecast.com 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_H3=0.001, RCVD_IN_MSPIKE_WL=0.001, RCVD_IN_VALIDITY_CERTIFIED_BLOCKED=0.001, RCVD_IN_VALIDITY_RPBL_BLOCKED=0.001, SPF_HELO_PASS=-0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @redhat.com) X-ZM-MESSAGEID: 1763468547470158500 Content-Type: text/plain; charset="utf-8" Add TYPE_RESETTABLE_INTERFACE to interfaces. Register callbacks for the reset phases. Add trace points for logging and debugging. No functional change, that will come in followup patches. Signed-off-by: Gerd Hoffmann --- include/system/igvm-cfg.h | 2 ++ backends/igvm-cfg.c | 36 +++++++++++++++++++++++++++++++++++- backends/trace-events | 5 +++++ 3 files changed, 42 insertions(+), 1 deletion(-) diff --git a/include/system/igvm-cfg.h b/include/system/igvm-cfg.h index 944f23a814dd..312f77c092b0 100644 --- a/include/system/igvm-cfg.h +++ b/include/system/igvm-cfg.h @@ -13,6 +13,7 @@ #define QEMU_IGVM_CFG_H =20 #include "qom/object.h" +#include "hw/resettable.h" =20 typedef struct IgvmCfg { ObjectClass parent_class; @@ -23,6 +24,7 @@ typedef struct IgvmCfg { * format. */ char *filename; + ResettableState reset_state; } IgvmCfg; =20 typedef struct IgvmCfgClass { diff --git a/backends/igvm-cfg.c b/backends/igvm-cfg.c index d00acf351249..4e3ef88ffc27 100644 --- a/backends/igvm-cfg.c +++ b/backends/igvm-cfg.c @@ -13,8 +13,11 @@ =20 #include "system/igvm-cfg.h" #include "system/igvm.h" +#include "system/reset.h" #include "qom/object_interfaces.h" =20 +#include "trace.h" + static char *get_igvm(Object *obj, Error **errp) { IgvmCfg *igvm =3D IGVM_CFG(obj); @@ -28,24 +31,55 @@ static void set_igvm(Object *obj, const char *value, Er= ror **errp) igvm->filename =3D g_strdup(value); } =20 +static ResettableState *igvm_reset_state(Object *obj) +{ + IgvmCfg *igvm =3D IGVM_CFG(obj); + return &igvm->reset_state; +} + +static void igvm_reset_enter(Object *obj, ResetType type) +{ + trace_igvm_reset_enter(type); +} + +static void igvm_reset_hold(Object *obj, ResetType type) +{ + trace_igvm_reset_hold(type); +} + +static void igvm_reset_exit(Object *obj, ResetType type) +{ + trace_igvm_reset_exit(type); +} + OBJECT_DEFINE_TYPE_WITH_INTERFACES(IgvmCfg, igvm_cfg, IGVM_CFG, OBJECT, - { TYPE_USER_CREATABLE }, { NULL }) + { TYPE_USER_CREATABLE }, + { TYPE_RESETTABLE_INTERFACE }, + { NULL }) =20 static void igvm_cfg_class_init(ObjectClass *oc, const void *data) { IgvmCfgClass *igvmc =3D IGVM_CFG_CLASS(oc); + ResettableClass *rc =3D RESETTABLE_CLASS(oc); =20 object_class_property_add_str(oc, "file", get_igvm, set_igvm); object_class_property_set_description(oc, "file", "Set the IGVM filename to use"); =20 igvmc->process =3D qigvm_process_file; + + rc->get_state =3D igvm_reset_state; + rc->phases.enter =3D igvm_reset_enter; + rc->phases.hold =3D igvm_reset_hold; + rc->phases.exit =3D igvm_reset_exit; } =20 static void igvm_cfg_init(Object *obj) { + qemu_register_resettable(obj); } =20 static void igvm_cfg_finalize(Object *obj) { + qemu_unregister_resettable(obj); } diff --git a/backends/trace-events b/backends/trace-events index 56132d3fd22b..45ac46dc2454 100644 --- a/backends/trace-events +++ b/backends/trace-events @@ -21,3 +21,8 @@ iommufd_backend_free_id(int iommufd, uint32_t id, int ret= ) " iommufd=3D%d id=3D%d (% iommufd_backend_set_dirty(int iommufd, uint32_t hwpt_id, bool start, int r= et) " iommufd=3D%d hwpt=3D%u enable=3D%d (%d)" iommufd_backend_get_dirty_bitmap(int iommufd, uint32_t hwpt_id, uint64_t i= ova, uint64_t size, uint64_t page_size, int ret) " iommufd=3D%d hwpt=3D%u i= ova=3D0x%"PRIx64" size=3D0x%"PRIx64" page_size=3D0x%"PRIx64" (%d)" iommufd_backend_invalidate_cache(int iommufd, uint32_t id, uint32_t data_t= ype, uint32_t entry_len, uint32_t entry_num, uint32_t done_num, uint64_t da= ta_ptr, int ret) " iommufd=3D%d id=3D%u data_type=3D%u entry_len=3D%u entry= _num=3D%u done_num=3D%u data_ptr=3D0x%"PRIx64" (%d)" + +# igvm-cfg.c +igvm_reset_enter(int type) "type=3D%u" +igvm_reset_hold(int type) "type=3D%u" +igvm_reset_exit(int type) "type=3D%u" --=20 2.51.1