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no-senders; approved; emergency; loop; banned-address; member-moderation; header-match-config-1; header-match-config-2; header-match-config-3; header-match-devel.lists.libvirt.org-0 CC: Ani Sinha , =?UTF-8?q?Marc-Andr=C3=A9=20Lureau?= , devel@lists.libvirt.org, =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= X-Mailman-Version: 3.2.2 Precedence: list List-Id: Development discussions about the libvirt library & tools Archived-At: List-Archive: List-Help: List-Post: List-Subscribe: List-Unsubscribe: X-ZohoMail-DKIM: fail (Header signature does not verify) X-ZM-MESSAGEID: 1734622781294116600 Content-Type: text/plain; charset="utf-8" Signed-off-by: Philippe Mathieu-Daud=C3=A9 Reviewed-by: Daniel P. Berrang=C3=A9 --- hw/misc/vmcoreinfo.c | 19 ++++++++----------- 1 file changed, 8 insertions(+), 11 deletions(-) diff --git a/hw/misc/vmcoreinfo.c b/hw/misc/vmcoreinfo.c index 833773ade52..84b211e9117 100644 --- a/hw/misc/vmcoreinfo.c +++ b/hw/misc/vmcoreinfo.c @@ -93,16 +93,13 @@ static void vmcoreinfo_device_class_init(ObjectClass *k= lass, void *data) set_bit(DEVICE_CATEGORY_MISC, dc->categories); } =20 -static const TypeInfo vmcoreinfo_device_info =3D { - .name =3D VMCOREINFO_DEVICE, - .parent =3D TYPE_DEVICE, - .instance_size =3D sizeof(VMCoreInfoState), - .class_init =3D vmcoreinfo_device_class_init, +static const TypeInfo vmcoreinfo_types[] =3D { + { + .name =3D VMCOREINFO_DEVICE, + .parent =3D TYPE_DEVICE, + .instance_size =3D sizeof(VMCoreInfoState), + .class_init =3D vmcoreinfo_device_class_init, + } }; =20 -static void vmcoreinfo_register_types(void) -{ - type_register_static(&vmcoreinfo_device_info); -} - -type_init(vmcoreinfo_register_types) +DEFINE_TYPES(vmcoreinfo_types) --=20 2.47.1 From nobody Sun Dec 22 01:46:28 2024 Delivered-To: importer@patchew.org Received-SPF: pass (zohomail.com: domain of lists.libvirt.org designates 8.43.85.245 as permitted sender) client-ip=8.43.85.245; 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AJvYcCUVxIg0eN2UtN07oEbjzb+teHKlfQ7DxGfQDWFhvEg+mD5gB9GzyWTCWYZHsOAWloXMN/vwPg==@lists.libvirt.org X-Gm-Message-State: AOJu0YwCa2L+GFIVRYSkXKP0h5nqGn39JztfzM1XKMiisTXLcMBa/9jo UgIKAXbCyrefe9V2f4wJ0zH/bq4KdpzmLWtB2g0UiXoezX5k5QN0zveHaD4YhYlSVMlLhnTmVZq 8 X-Gm-Gg: ASbGncvPYpBYpX0NBTC74rKQwx+DhNrU8eytnT4sAwKboVh5jnwqikWhzyRQze411GF jj6XJOnxWmb0Bev+XAt8S83YvQom/IeDSjKx1IRZq3IT3KXm5iuDnR/uwkPOA37ckID+C7IbxY4 xhUlp7boT4hJyUO8bzTl0327cjKGxGkvKJk0GLokz4eUddYhOXnsbgS+FDojUMwj1QPhKl++Ky7 tp1mxppPTO34ayhJnVUkfN4TUK0fMVkfo9IRzab/luIvLbb0y22THIib6+FzCCNFNB1BGzsPn/Y Pet3 X-Google-Smtp-Source: AGHT+IFzKBxvfmjWrlDelJBTG6nU9L+vDm54/jGMynxANDubLsuJTCkj8kZajXzdEoQ9aYX5XIGr1w== X-Received: by 2002:a05:6000:1faa:b0:385:f1bc:765c with SMTP id ffacd0b85a97d-388e4d2f7bbmr7033755f8f.6.1734622752611; Thu, 19 Dec 2024 07:39:12 -0800 (PST) From: =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= To: qemu-devel@nongnu.org Subject: [RFC PATCH 02/10] hw/misc/vmcoreinfo: Rename opaque pointer as 'opaque' Date: Thu, 19 Dec 2024 16:38:49 +0100 Message-ID: <20241219153857.57450-3-philmd@linaro.org> X-Mailer: git-send-email 2.47.1 In-Reply-To: <20241219153857.57450-1-philmd@linaro.org> References: <20241219153857.57450-1-philmd@linaro.org> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Message-ID-Hash: GJYB5EDNII7RM3GD3I6DTLQAIUVQ2TUJ X-Message-ID-Hash: GJYB5EDNII7RM3GD3I6DTLQAIUVQ2TUJ X-MailFrom: philmd@linaro.org X-Mailman-Rule-Hits: nonmember-moderation X-Mailman-Rule-Misses: dmarc-mitigation; no-senders; approved; emergency; loop; banned-address; member-moderation; header-match-config-1; header-match-config-2; header-match-config-3; header-match-devel.lists.libvirt.org-0 CC: Ani Sinha , =?UTF-8?q?Marc-Andr=C3=A9=20Lureau?= , devel@lists.libvirt.org, =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= X-Mailman-Version: 3.2.2 Precedence: list List-Id: Development discussions about the libvirt library & tools Archived-At: List-Archive: List-Help: List-Post: List-Subscribe: List-Unsubscribe: X-ZohoMail-DKIM: fail (Header signature does not verify) X-ZM-MESSAGEID: 1734622801331116600 Content-Type: text/plain; charset="utf-8" Both QEMUResetHandler and FWCfgWriteCallback take an opaque pointer argument, no need to cast. Signed-off-by: Philippe Mathieu-Daud=C3=A9 Reviewed-by: Daniel P. Berrang=C3=A9 --- hw/misc/vmcoreinfo.c | 10 +++++----- 1 file changed, 5 insertions(+), 5 deletions(-) diff --git a/hw/misc/vmcoreinfo.c b/hw/misc/vmcoreinfo.c index 84b211e9117..ad5a4dec596 100644 --- a/hw/misc/vmcoreinfo.c +++ b/hw/misc/vmcoreinfo.c @@ -18,17 +18,17 @@ #include "migration/vmstate.h" #include "hw/misc/vmcoreinfo.h" =20 -static void fw_cfg_vmci_write(void *dev, off_t offset, size_t len) +static void fw_cfg_vmci_write(void *opaque, off_t offset, size_t len) { - VMCoreInfoState *s =3D VMCOREINFO(dev); + VMCoreInfoState *s =3D opaque; =20 s->has_vmcoreinfo =3D offset =3D=3D 0 && len =3D=3D sizeof(s->vmcorein= fo) && s->vmcoreinfo.guest_format !=3D FW_CFG_VMCOREINFO_FORMAT_NONE; } =20 -static void vmcoreinfo_reset(void *dev) +static void vmcoreinfo_reset(void *opaque) { - VMCoreInfoState *s =3D VMCOREINFO(dev); + VMCoreInfoState *s =3D opaque; =20 s->has_vmcoreinfo =3D false; memset(&s->vmcoreinfo, 0, sizeof(s->vmcoreinfo)); @@ -65,7 +65,7 @@ static void vmcoreinfo_realize(DeviceState *dev, Error **= errp) * This device requires to register a global reset because it is * not plugged to a bus (which, as its QOM parent, would reset it). */ - qemu_register_reset(vmcoreinfo_reset, dev); 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no-senders; approved; emergency; loop; banned-address; member-moderation; header-match-config-1; header-match-config-2; header-match-config-3; header-match-devel.lists.libvirt.org-0 CC: Ani Sinha , =?UTF-8?q?Marc-Andr=C3=A9=20Lureau?= , devel@lists.libvirt.org, =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= X-Mailman-Version: 3.2.2 Precedence: list List-Id: Development discussions about the libvirt library & tools Archived-At: List-Archive: List-Help: List-Post: List-Subscribe: List-Unsubscribe: X-ZohoMail-DKIM: fail (Header signature does not verify) X-ZM-MESSAGEID: 1734622823523116600 Content-Type: text/plain; charset="utf-8" Signed-off-by: Philippe Mathieu-Daud=C3=A9 Reviewed-by: Daniel P. Berrang=C3=A9 --- include/hw/misc/vmcoreinfo.h | 13 ++++++------- hw/misc/vmcoreinfo.c | 16 +++++++++++++--- 2 files changed, 19 insertions(+), 10 deletions(-) diff --git a/include/hw/misc/vmcoreinfo.h b/include/hw/misc/vmcoreinfo.h index 0b7b55d400a..da1066d540c 100644 --- a/include/hw/misc/vmcoreinfo.h +++ b/include/hw/misc/vmcoreinfo.h @@ -30,12 +30,11 @@ struct VMCoreInfoState { FWCfgVMCoreInfo vmcoreinfo; }; =20 -/* returns NULL unless there is exactly one device */ -static inline VMCoreInfoState *vmcoreinfo_find(void) -{ - Object *o =3D object_resolve_path_type("", VMCOREINFO_DEVICE, NULL); - - return o ? VMCOREINFO(o) : NULL; -} +/** + * vmcoreinfo_find: + * + * Returns NULL unless there is exactly one instance. + */ +VMCoreInfoState *vmcoreinfo_find(void); =20 #endif diff --git a/hw/misc/vmcoreinfo.c b/hw/misc/vmcoreinfo.c index ad5a4dec596..c5bb5c9fa52 100644 --- a/hw/misc/vmcoreinfo.c +++ b/hw/misc/vmcoreinfo.c @@ -42,11 +42,12 @@ static void vmcoreinfo_realize(DeviceState *dev, Error = **errp) /* for gdb script dump-guest-memory.py */ static VMCoreInfoState * volatile vmcoreinfo_state G_GNUC_UNUSED; =20 - /* Given that this function is executing, there is at least one VMCORE= INFO - * device. Check if there are several. + /* + * Given that this function is executing, there is at least one + * VMCOREINFO instance. Check if there are several. */ if (!vmcoreinfo_find()) { - error_setg(errp, "at most one %s device is permitted", + error_setg(errp, "at most one %s instance is permitted", VMCOREINFO_DEVICE); return; } @@ -103,3 +104,12 @@ static const TypeInfo vmcoreinfo_types[] =3D { }; =20 DEFINE_TYPES(vmcoreinfo_types) + +VMCoreInfoState *vmcoreinfo_find(void) +{ + Object *obj; + + obj =3D object_resolve_path_type("", TYPE_VMCOREINFO_DEVICE, NULL); + + return obj ? 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no-senders; approved; emergency; loop; banned-address; member-moderation; header-match-config-1; header-match-config-2; header-match-config-3; header-match-devel.lists.libvirt.org-0 CC: Ani Sinha , =?UTF-8?q?Marc-Andr=C3=A9=20Lureau?= , devel@lists.libvirt.org, =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= X-Mailman-Version: 3.2.2 Precedence: list List-Id: Development discussions about the libvirt library & tools Archived-At: List-Archive: List-Help: List-Post: List-Subscribe: List-Unsubscribe: X-ZohoMail-DKIM: fail (Header signature does not verify) X-ZM-MESSAGEID: 1734622851644116600 Content-Type: text/plain; charset="utf-8" Follow the assumed QOM type definition style, prefixing with 'TYPE_'. Signed-off-by: Philippe Mathieu-Daud=C3=A9 --- include/hw/misc/vmcoreinfo.h | 6 +++--- hw/misc/vmcoreinfo.c | 8 ++++---- 2 files changed, 7 insertions(+), 7 deletions(-) diff --git a/include/hw/misc/vmcoreinfo.h b/include/hw/misc/vmcoreinfo.h index da1066d540c..122c69686b0 100644 --- a/include/hw/misc/vmcoreinfo.h +++ b/include/hw/misc/vmcoreinfo.h @@ -16,10 +16,10 @@ #include "standard-headers/linux/qemu_fw_cfg.h" #include "qom/object.h" =20 -#define VMCOREINFO_DEVICE "vmcoreinfo" +#define TYPE_VMCOREINFO_DEVICE "vmcoreinfo" typedef struct VMCoreInfoState VMCoreInfoState; -DECLARE_INSTANCE_CHECKER(VMCoreInfoState, VMCOREINFO, - VMCOREINFO_DEVICE) +DECLARE_INSTANCE_CHECKER(VMCoreInfoState, VMCOREINFO_DEVICE, + TYPE_VMCOREINFO_DEVICE) =20 typedef struct fw_cfg_vmcoreinfo FWCfgVMCoreInfo; =20 diff --git a/hw/misc/vmcoreinfo.c b/hw/misc/vmcoreinfo.c index c5bb5c9fa52..9822615cfed 100644 --- a/hw/misc/vmcoreinfo.c +++ b/hw/misc/vmcoreinfo.c @@ -37,7 +37,7 @@ static void vmcoreinfo_reset(void *opaque) =20 static void vmcoreinfo_realize(DeviceState *dev, Error **errp) { - VMCoreInfoState *s =3D VMCOREINFO(dev); + VMCoreInfoState *s =3D VMCOREINFO_DEVICE(dev); FWCfgState *fw_cfg =3D fw_cfg_find(); /* for gdb script dump-guest-memory.py */ static VMCoreInfoState * volatile vmcoreinfo_state G_GNUC_UNUSED; @@ -48,13 +48,13 @@ static void vmcoreinfo_realize(DeviceState *dev, Error = **errp) */ if (!vmcoreinfo_find()) { error_setg(errp, "at most one %s instance is permitted", - VMCOREINFO_DEVICE); + TYPE_VMCOREINFO_DEVICE); return; } =20 if (!fw_cfg || !fw_cfg->dma_enabled) { error_setg(errp, "%s device requires fw_cfg with DMA", - VMCOREINFO_DEVICE); + TYPE_VMCOREINFO_DEVICE); return; } =20 @@ -96,7 +96,7 @@ static void vmcoreinfo_device_class_init(ObjectClass *kla= ss, void *data) =20 static const TypeInfo vmcoreinfo_types[] =3D { { - .name =3D VMCOREINFO_DEVICE, + .name =3D TYPE_VMCOREINFO_DEVICE, .parent =3D TYPE_DEVICE, .instance_size =3D sizeof(VMCoreInfoState), .class_init =3D vmcoreinfo_device_class_init, --=20 2.47.1 From nobody Sun Dec 22 01:46:28 2024 Delivered-To: importer@patchew.org Received-SPF: pass (zohomail.com: domain of lists.libvirt.org designates 8.43.85.245 as permitted sender) client-ip=8.43.85.245; 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no-senders; approved; emergency; loop; banned-address; member-moderation; header-match-config-1; header-match-config-2; header-match-config-3; header-match-devel.lists.libvirt.org-0 CC: Ani Sinha , =?UTF-8?q?Marc-Andr=C3=A9=20Lureau?= , devel@lists.libvirt.org, =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= X-Mailman-Version: 3.2.2 Precedence: list List-Id: Development discussions about the libvirt library & tools Archived-At: List-Archive: List-Help: List-Post: List-Subscribe: List-Unsubscribe: X-ZohoMail-DKIM: fail (Header signature does not verify) X-ZM-MESSAGEID: 1734622889465116600 Content-Type: text/plain; charset="utf-8" Signed-off-by: Philippe Mathieu-Daud=C3=A9 Reviewed-by: Daniel P. Berrang=C3=A9 --- hw/misc/vmcoreinfo.c | 8 +++++--- 1 file changed, 5 insertions(+), 3 deletions(-) diff --git a/hw/misc/vmcoreinfo.c b/hw/misc/vmcoreinfo.c index 9822615cfed..093bede655e 100644 --- a/hw/misc/vmcoreinfo.c +++ b/hw/misc/vmcoreinfo.c @@ -26,9 +26,9 @@ static void fw_cfg_vmci_write(void *opaque, off_t offset,= size_t len) && s->vmcoreinfo.guest_format !=3D FW_CFG_VMCOREINFO_FORMAT_NONE; } =20 -static void vmcoreinfo_reset(void *opaque) +static void vmcoreinfo_reset_hold(Object *obj, ResetType type) { - VMCoreInfoState *s =3D opaque; + VMCoreInfoState *s =3D (VMCoreInfoState *)obj; =20 s->has_vmcoreinfo =3D false; memset(&s->vmcoreinfo, 0, sizeof(s->vmcoreinfo)); @@ -66,7 +66,7 @@ static void vmcoreinfo_realize(DeviceState *dev, Error **= errp) * This device requires to register a global reset because it is * not plugged to a bus (which, as its QOM parent, would reset it). */ - qemu_register_reset(vmcoreinfo_reset, s); + qemu_register_resettable(OBJECT(s)); vmcoreinfo_state =3D s; } =20 @@ -87,11 +87,13 @@ static const VMStateDescription vmstate_vmcoreinfo =3D { static void vmcoreinfo_device_class_init(ObjectClass *klass, void *data) { DeviceClass *dc =3D DEVICE_CLASS(klass); + ResettableClass *rc =3D RESETTABLE_CLASS(klass); =20 dc->vmsd =3D &vmstate_vmcoreinfo; dc->realize =3D vmcoreinfo_realize; dc->hotpluggable =3D false; set_bit(DEVICE_CATEGORY_MISC, dc->categories); + rc->phases.hold =3D vmcoreinfo_reset_hold; } =20 static const TypeInfo vmcoreinfo_types[] =3D { --=20 2.47.1 From nobody Sun Dec 22 01:46:28 2024 Delivered-To: importer@patchew.org Received-SPF: pass (zohomail.com: domain of lists.libvirt.org designates 8.43.85.245 as permitted sender) client-ip=8.43.85.245; envelope-from=devel-bounces@lists.libvirt.org; helo=lists.libvirt.org; Authentication-Results: mx.zohomail.com; dkim=fail; spf=pass (zohomail.com: domain of lists.libvirt.org designates 8.43.85.245 as permitted sender) smtp.mailfrom=devel-bounces@lists.libvirt.org; dmarc=fail(p=none dis=none) header.from=linaro.org Return-Path: Received: from lists.libvirt.org (lists.libvirt.org [8.43.85.245]) by mx.zohomail.com with SMTPS id 1734622893398634.0005369895756; 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Thu, 19 Dec 2024 07:39:34 -0800 (PST) From: =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= To: qemu-devel@nongnu.org Subject: [RFC PATCH 06/10] hw/misc/vmcoreinfo: Move vmstate_vmcoreinfo[] around Date: Thu, 19 Dec 2024 16:38:53 +0100 Message-ID: <20241219153857.57450-7-philmd@linaro.org> X-Mailer: git-send-email 2.47.1 In-Reply-To: <20241219153857.57450-1-philmd@linaro.org> References: <20241219153857.57450-1-philmd@linaro.org> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Message-ID-Hash: PI6N7PTKKKE5C5NRJDFF5BUWJ42IBO6E X-Message-ID-Hash: PI6N7PTKKKE5C5NRJDFF5BUWJ42IBO6E X-MailFrom: philmd@linaro.org X-Mailman-Rule-Hits: nonmember-moderation X-Mailman-Rule-Misses: dmarc-mitigation; no-senders; approved; emergency; loop; banned-address; member-moderation; header-match-config-1; header-match-config-2; header-match-config-3; header-match-devel.lists.libvirt.org-0 CC: Ani Sinha , =?UTF-8?q?Marc-Andr=C3=A9=20Lureau?= , devel@lists.libvirt.org, =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= X-Mailman-Version: 3.2.2 Precedence: list List-Id: Development discussions about the libvirt library & tools Archived-At: List-Archive: List-Help: List-Post: List-Subscribe: List-Unsubscribe: X-ZohoMail-DKIM: fail (Header signature does not verify) X-ZM-MESSAGEID: 1734622895260116600 Content-Type: text/plain; charset="utf-8" In order to simplify the next commit, move vmstate_vmcoreinfo[] around. Signed-off-by: Philippe Mathieu-Daud=C3=A9 --- hw/misc/vmcoreinfo.c | 28 ++++++++++++++-------------- 1 file changed, 14 insertions(+), 14 deletions(-) diff --git a/hw/misc/vmcoreinfo.c b/hw/misc/vmcoreinfo.c index 093bede655e..55f9d437a94 100644 --- a/hw/misc/vmcoreinfo.c +++ b/hw/misc/vmcoreinfo.c @@ -18,6 +18,20 @@ #include "migration/vmstate.h" #include "hw/misc/vmcoreinfo.h" =20 +static const VMStateDescription vmstate_vmcoreinfo =3D { + .name =3D "vmcoreinfo", + .version_id =3D 1, + .minimum_version_id =3D 1, + .fields =3D (const VMStateField[]) { + VMSTATE_BOOL(has_vmcoreinfo, VMCoreInfoState), + VMSTATE_UINT16(vmcoreinfo.host_format, VMCoreInfoState), + VMSTATE_UINT16(vmcoreinfo.guest_format, VMCoreInfoState), + VMSTATE_UINT32(vmcoreinfo.size, VMCoreInfoState), + VMSTATE_UINT64(vmcoreinfo.paddr, VMCoreInfoState), + VMSTATE_END_OF_LIST() + }, +}; + static void fw_cfg_vmci_write(void *opaque, off_t offset, size_t len) { VMCoreInfoState *s =3D opaque; @@ -70,20 +84,6 @@ static void vmcoreinfo_realize(DeviceState *dev, Error *= *errp) vmcoreinfo_state =3D s; } =20 -static const VMStateDescription vmstate_vmcoreinfo =3D { - .name =3D "vmcoreinfo", - .version_id =3D 1, - .minimum_version_id =3D 1, - .fields =3D (const VMStateField[]) { - VMSTATE_BOOL(has_vmcoreinfo, VMCoreInfoState), - VMSTATE_UINT16(vmcoreinfo.host_format, VMCoreInfoState), - VMSTATE_UINT16(vmcoreinfo.guest_format, VMCoreInfoState), - VMSTATE_UINT32(vmcoreinfo.size, VMCoreInfoState), - VMSTATE_UINT64(vmcoreinfo.paddr, VMCoreInfoState), - VMSTATE_END_OF_LIST() - }, -}; - static void vmcoreinfo_device_class_init(ObjectClass *klass, void *data) { DeviceClass *dc =3D DEVICE_CLASS(klass); --=20 2.47.1 From nobody Sun Dec 22 01:46:28 2024 Delivered-To: importer@patchew.org Received-SPF: pass (zohomail.com: domain of lists.libvirt.org designates 8.43.85.245 as permitted sender) client-ip=8.43.85.245; envelope-from=devel-bounces@lists.libvirt.org; helo=lists.libvirt.org; Authentication-Results: mx.zohomail.com; dkim=fail; spf=pass (zohomail.com: domain of lists.libvirt.org designates 8.43.85.245 as permitted sender) smtp.mailfrom=devel-bounces@lists.libvirt.org; 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Thu, 19 Dec 2024 07:39:39 -0800 (PST) From: =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= To: qemu-devel@nongnu.org Subject: [RFC PATCH 07/10] hw/misc/vmcoreinfo: Factor vmcoreinfo_device_realize() out Date: Thu, 19 Dec 2024 16:38:54 +0100 Message-ID: <20241219153857.57450-8-philmd@linaro.org> X-Mailer: git-send-email 2.47.1 In-Reply-To: <20241219153857.57450-1-philmd@linaro.org> References: <20241219153857.57450-1-philmd@linaro.org> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Message-ID-Hash: IRP3XTVKBKGDVDBZV3GDHF27JFAFHAQK X-Message-ID-Hash: IRP3XTVKBKGDVDBZV3GDHF27JFAFHAQK X-MailFrom: philmd@linaro.org X-Mailman-Rule-Hits: nonmember-moderation X-Mailman-Rule-Misses: dmarc-mitigation; no-senders; approved; emergency; loop; banned-address; member-moderation; header-match-config-1; header-match-config-2; header-match-config-3; header-match-devel.lists.libvirt.org-0 CC: Ani Sinha , =?UTF-8?q?Marc-Andr=C3=A9=20Lureau?= , devel@lists.libvirt.org, =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= X-Mailman-Version: 3.2.2 Precedence: list List-Id: Development discussions about the libvirt library & tools Archived-At: List-Archive: List-Help: List-Post: List-Subscribe: List-Unsubscribe: X-ZohoMail-DKIM: fail (Header signature does not verify) X-ZM-MESSAGEID: 1734622915461116600 Content-Type: text/plain; charset="utf-8" In preparation of implementing a UserCreatable callback in the next commit, factor vmcoreinfo_device_realize() out. Signed-off-by: Philippe Mathieu-Daud=C3=A9 --- hw/misc/vmcoreinfo.c | 10 +++++++--- 1 file changed, 7 insertions(+), 3 deletions(-) diff --git a/hw/misc/vmcoreinfo.c b/hw/misc/vmcoreinfo.c index 55f9d437a94..a0511ea0da4 100644 --- a/hw/misc/vmcoreinfo.c +++ b/hw/misc/vmcoreinfo.c @@ -49,9 +49,8 @@ static void vmcoreinfo_reset_hold(Object *obj, ResetType = type) s->vmcoreinfo.host_format =3D cpu_to_le16(FW_CFG_VMCOREINFO_FORMAT_ELF= ); } =20 -static void vmcoreinfo_realize(DeviceState *dev, Error **errp) +static void vmcoreinfo_realize(VMCoreInfoState *s, Error **errp) { - VMCoreInfoState *s =3D VMCOREINFO_DEVICE(dev); FWCfgState *fw_cfg =3D fw_cfg_find(); /* for gdb script dump-guest-memory.py */ static VMCoreInfoState * volatile vmcoreinfo_state G_GNUC_UNUSED; @@ -84,13 +83,18 @@ static void vmcoreinfo_realize(DeviceState *dev, Error = **errp) vmcoreinfo_state =3D s; } =20 +static void vmcoreinfo_device_realize(DeviceState *dev, Error **errp) +{ + vmcoreinfo_realize(VMCOREINFO_DEVICE(dev), errp); +} + static void vmcoreinfo_device_class_init(ObjectClass *klass, void *data) { DeviceClass *dc =3D DEVICE_CLASS(klass); ResettableClass *rc =3D RESETTABLE_CLASS(klass); =20 dc->vmsd =3D &vmstate_vmcoreinfo; - dc->realize =3D vmcoreinfo_realize; + dc->realize =3D vmcoreinfo_device_realize; dc->hotpluggable =3D false; set_bit(DEVICE_CATEGORY_MISC, dc->categories); rc->phases.hold =3D vmcoreinfo_reset_hold; --=20 2.47.1 From nobody Sun Dec 22 01:46:28 2024 Delivered-To: importer@patchew.org Received-SPF: pass (zohomail.com: domain of lists.libvirt.org designates 8.43.85.245 as permitted sender) client-ip=8.43.85.245; envelope-from=devel-bounces@lists.libvirt.org; helo=lists.libvirt.org; Authentication-Results: mx.zohomail.com; dkim=fail; spf=pass (zohomail.com: domain of lists.libvirt.org designates 8.43.85.245 as permitted sender) smtp.mailfrom=devel-bounces@lists.libvirt.org; dmarc=fail(p=none dis=none) header.from=linaro.org Return-Path: Received: from lists.libvirt.org (lists.libvirt.org [8.43.85.245]) by mx.zohomail.com with SMTPS id 1734622939691738.000788862681; 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Thu, 19 Dec 2024 07:39:45 -0800 (PST) From: =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= To: qemu-devel@nongnu.org Subject: [RFC PATCH 08/10] hw/misc/vmcoreinfo: Implement 'vmcore-info' object Date: Thu, 19 Dec 2024 16:38:55 +0100 Message-ID: <20241219153857.57450-9-philmd@linaro.org> X-Mailer: git-send-email 2.47.1 In-Reply-To: <20241219153857.57450-1-philmd@linaro.org> References: <20241219153857.57450-1-philmd@linaro.org> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Message-ID-Hash: NWU75OD4BJHMLMYUWBN3MUNCX7KQUNGT X-Message-ID-Hash: NWU75OD4BJHMLMYUWBN3MUNCX7KQUNGT X-MailFrom: philmd@linaro.org X-Mailman-Rule-Hits: nonmember-moderation X-Mailman-Rule-Misses: dmarc-mitigation; no-senders; approved; emergency; loop; banned-address; member-moderation; header-match-config-1; header-match-config-2; header-match-config-3; header-match-devel.lists.libvirt.org-0 CC: Ani Sinha , =?UTF-8?q?Marc-Andr=C3=A9=20Lureau?= , devel@lists.libvirt.org, =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= X-Mailman-Version: 3.2.2 Precedence: list List-Id: Development discussions about the libvirt library & tools Archived-At: List-Archive: List-Help: List-Post: List-Subscribe: List-Unsubscribe: X-ZohoMail-DKIM: fail (Header signature does not verify) X-ZM-MESSAGEID: 1734622941749116600 Content-Type: text/plain; charset="utf-8" 'vmcore-info' object allow to transition from '-device' to 'object', following the deprecation process. No need to modify VMCoreInfoState since DeviceState already inherits from Object state. Signed-off-by: Philippe Mathieu-Daud=C3=A9 --- include/hw/misc/vmcoreinfo.h | 4 ++- hw/misc/vmcoreinfo.c | 48 +++++++++++++++++++++++++++++++++++- 2 files changed, 50 insertions(+), 2 deletions(-) diff --git a/include/hw/misc/vmcoreinfo.h b/include/hw/misc/vmcoreinfo.h index 122c69686b0..d4cce42cee6 100644 --- a/include/hw/misc/vmcoreinfo.h +++ b/include/hw/misc/vmcoreinfo.h @@ -16,8 +16,10 @@ #include "standard-headers/linux/qemu_fw_cfg.h" #include "qom/object.h" =20 +#define TYPE_VMCOREINFO "vmcore-info" +OBJECT_DECLARE_SIMPLE_TYPE(VMCoreInfoState, VMCOREINFO) + #define TYPE_VMCOREINFO_DEVICE "vmcoreinfo" -typedef struct VMCoreInfoState VMCoreInfoState; DECLARE_INSTANCE_CHECKER(VMCoreInfoState, VMCOREINFO_DEVICE, TYPE_VMCOREINFO_DEVICE) =20 diff --git a/hw/misc/vmcoreinfo.c b/hw/misc/vmcoreinfo.c index a0511ea0da4..e2258e08fb1 100644 --- a/hw/misc/vmcoreinfo.c +++ b/hw/misc/vmcoreinfo.c @@ -12,11 +12,11 @@ =20 #include "qemu/osdep.h" #include "qapi/error.h" -#include "qemu/module.h" #include "sysemu/reset.h" #include "hw/nvram/fw_cfg.h" #include "migration/vmstate.h" #include "hw/misc/vmcoreinfo.h" +#include "qom/object_interfaces.h" =20 static const VMStateDescription vmstate_vmcoreinfo =3D { .name =3D "vmcoreinfo", @@ -32,6 +32,11 @@ static const VMStateDescription vmstate_vmcoreinfo =3D { }, }; =20 +static char *vmcoreinfo_get_vmstate_id(VMStateIf *vmif) +{ + return g_strdup(TYPE_VMCOREINFO); +} + static void fw_cfg_vmci_write(void *opaque, off_t offset, size_t len) { VMCoreInfoState *s =3D opaque; @@ -88,6 +93,32 @@ static void vmcoreinfo_device_realize(DeviceState *dev, = Error **errp) vmcoreinfo_realize(VMCOREINFO_DEVICE(dev), errp); } =20 +static bool vmcoreinfo_can_be_deleted(UserCreatable *uc) +{ + return false; +} + +static void vmcoreinfo_complete(UserCreatable *uc, Error **errp) +{ + if (vmstate_register_any(VMSTATE_IF(uc), &vmstate_vmcoreinfo, uc) < 0)= { + error_setg(errp, "%s: Failed to register vmstate", TYPE_VMCOREINFO= ); + } + + vmcoreinfo_realize(VMCOREINFO(uc), errp); +} + +static void vmcoreinfo_class_init(ObjectClass *oc, void *data) +{ + UserCreatableClass *ucc =3D USER_CREATABLE_CLASS(oc); + VMStateIfClass *vc =3D VMSTATE_IF_CLASS(oc); + ResettableClass *rc =3D RESETTABLE_CLASS(oc); + + ucc->complete =3D vmcoreinfo_complete; + ucc->can_be_deleted =3D vmcoreinfo_can_be_deleted; + vc->get_id =3D vmcoreinfo_get_vmstate_id; + rc->phases.hold =3D vmcoreinfo_reset_hold; +} + static void vmcoreinfo_device_class_init(ObjectClass *klass, void *data) { DeviceClass *dc =3D DEVICE_CLASS(klass); @@ -106,6 +137,18 @@ static const TypeInfo vmcoreinfo_types[] =3D { .parent =3D TYPE_DEVICE, .instance_size =3D sizeof(VMCoreInfoState), .class_init =3D vmcoreinfo_device_class_init, + }, + { + .name =3D TYPE_VMCOREINFO, + .parent =3D TYPE_OBJECT, + .instance_size =3D sizeof(VMCoreInfoState), + .class_init =3D vmcoreinfo_class_init, + .interfaces =3D (InterfaceInfo[]) { + { TYPE_RESETTABLE_INTERFACE }, + { TYPE_USER_CREATABLE }, + { TYPE_VMSTATE_IF }, + { } + } } }; =20 @@ -116,6 +159,9 @@ VMCoreInfoState *vmcoreinfo_find(void) Object *obj; =20 obj =3D object_resolve_path_type("", TYPE_VMCOREINFO_DEVICE, NULL); + if (!obj) { + obj =3D object_resolve_path_type("", TYPE_VMCOREINFO, NULL); + } =20 return obj ? 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no-senders; approved; emergency; loop; banned-address; member-moderation; header-match-config-1; header-match-config-2; header-match-config-3; header-match-devel.lists.libvirt.org-0 CC: Ani Sinha , =?UTF-8?q?Marc-Andr=C3=A9=20Lureau?= , devel@lists.libvirt.org, =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= X-Mailman-Version: 3.2.2 Precedence: list List-Id: Development discussions about the libvirt library & tools Archived-At: List-Archive: List-Help: List-Post: List-Subscribe: List-Unsubscribe: X-ZohoMail-DKIM: fail (Header signature does not verify) X-ZM-MESSAGEID: 1734622969655116600 Content-Type: text/plain; charset="utf-8" '-device vmcoreinfo' is replaced by '-object vmcore-info'. Signed-off-by: Philippe Mathieu-Daud=C3=A9 --- docs/about/deprecated.rst | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/docs/about/deprecated.rst b/docs/about/deprecated.rst index d6809f94ea1..57a3d734081 100644 --- a/docs/about/deprecated.rst +++ b/docs/about/deprecated.rst @@ -79,6 +79,11 @@ described with -smp are supported by the target machine. =20 Use ``-run-with user=3D..`` instead. =20 +``-device vmcoreinfo`` (since 10.0) +''''''''''''''''''''''''''''''''''' + +Use ``-object vmcore-info`` instead. + =20 User-mode emulator command line arguments ----------------------------------------- --=20 2.47.1 From nobody Sun Dec 22 01:46:28 2024 Delivered-To: importer@patchew.org Received-SPF: pass (zohomail.com: domain of lists.libvirt.org designates 8.43.85.245 as permitted sender) client-ip=8.43.85.245; envelope-from=devel-bounces@lists.libvirt.org; helo=lists.libvirt.org; Authentication-Results: mx.zohomail.com; dkim=fail; spf=pass (zohomail.com: domain of lists.libvirt.org designates 8.43.85.245 as permitted sender) smtp.mailfrom=devel-bounces@lists.libvirt.org; 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Thu, 19 Dec 2024 07:39:55 -0800 (PST) From: =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= To: qemu-devel@nongnu.org Subject: [RFC PATCH-for-10.2 10/10] hw/misc/vmcoreinfo: Remove legacy '-device vmcoreinfo' Date: Thu, 19 Dec 2024 16:38:57 +0100 Message-ID: <20241219153857.57450-11-philmd@linaro.org> X-Mailer: git-send-email 2.47.1 In-Reply-To: <20241219153857.57450-1-philmd@linaro.org> References: <20241219153857.57450-1-philmd@linaro.org> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Message-ID-Hash: GZOWYQRZNG33E6DGXPKD5KTRNHF722HH X-Message-ID-Hash: GZOWYQRZNG33E6DGXPKD5KTRNHF722HH X-MailFrom: philmd@linaro.org X-Mailman-Rule-Hits: nonmember-moderation X-Mailman-Rule-Misses: dmarc-mitigation; no-senders; approved; emergency; loop; banned-address; member-moderation; header-match-config-1; header-match-config-2; header-match-config-3; header-match-devel.lists.libvirt.org-0 CC: Ani Sinha , =?UTF-8?q?Marc-Andr=C3=A9=20Lureau?= , devel@lists.libvirt.org, =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= X-Mailman-Version: 3.2.2 Precedence: list List-Id: Development discussions about the libvirt library & tools Archived-At: List-Archive: List-Help: List-Post: List-Subscribe: List-Unsubscribe: X-ZohoMail-DKIM: fail (Header signature does not verify) X-ZM-MESSAGEID: 1734622993909116600 Content-Type: text/plain; charset="utf-8" Signed-off-by: Philippe Mathieu-Daud=C3=A9 --- docs/about/deprecated.rst | 5 ---- docs/about/removed-features.rst | 5 ++++ include/hw/misc/vmcoreinfo.h | 3 +-- hw/misc/vmcoreinfo.c | 44 ++++++--------------------------- 4 files changed, 13 insertions(+), 44 deletions(-) diff --git a/docs/about/deprecated.rst b/docs/about/deprecated.rst index 57a3d734081..d6809f94ea1 100644 --- a/docs/about/deprecated.rst +++ b/docs/about/deprecated.rst @@ -79,11 +79,6 @@ described with -smp are supported by the target machine. =20 Use ``-run-with user=3D..`` instead. =20 -``-device vmcoreinfo`` (since 10.0) -''''''''''''''''''''''''''''''''''' - -Use ``-object vmcore-info`` instead. - =20 User-mode emulator command line arguments ----------------------------------------- diff --git a/docs/about/removed-features.rst b/docs/about/removed-features.= rst index cb1388049a8..6fedf13c133 100644 --- a/docs/about/removed-features.rst +++ b/docs/about/removed-features.rst @@ -555,6 +555,11 @@ to produce an odd effect (rotating input but not displ= ay output). But this was never intended or documented behaviour, so we have dropped the options along with the machine models they were intended for. =20 +``-device vmcoreinfo`` (removed in 10.2) +'''''''''''''''''''''''''''''''''''''''' + +``-device vmcoreinfo`` has been replaced by ``-object vmcore-info``. + User-mode emulator command line arguments ----------------------------------------- =20 diff --git a/include/hw/misc/vmcoreinfo.h b/include/hw/misc/vmcoreinfo.h index d4cce42cee6..56af12d33a4 100644 --- a/include/hw/misc/vmcoreinfo.h +++ b/include/hw/misc/vmcoreinfo.h @@ -12,7 +12,6 @@ #ifndef VMCOREINFO_H #define VMCOREINFO_H =20 -#include "hw/qdev-core.h" #include "standard-headers/linux/qemu_fw_cfg.h" #include "qom/object.h" =20 @@ -26,7 +25,7 @@ DECLARE_INSTANCE_CHECKER(VMCoreInfoState, VMCOREINFO_DEVI= CE, typedef struct fw_cfg_vmcoreinfo FWCfgVMCoreInfo; =20 struct VMCoreInfoState { - DeviceState parent_obj; + Object parent_obj; =20 bool has_vmcoreinfo; FWCfgVMCoreInfo vmcoreinfo; diff --git a/hw/misc/vmcoreinfo.c b/hw/misc/vmcoreinfo.c index e2258e08fb1..36d1143722e 100644 --- a/hw/misc/vmcoreinfo.c +++ b/hw/misc/vmcoreinfo.c @@ -54,8 +54,9 @@ static void vmcoreinfo_reset_hold(Object *obj, ResetType = type) s->vmcoreinfo.host_format =3D cpu_to_le16(FW_CFG_VMCOREINFO_FORMAT_ELF= ); } =20 -static void vmcoreinfo_realize(VMCoreInfoState *s, Error **errp) +static void vmcoreinfo_complete(UserCreatable *uc, Error **errp) { + VMCoreInfoState *s =3D VMCOREINFO(uc); FWCfgState *fw_cfg =3D fw_cfg_find(); /* for gdb script dump-guest-memory.py */ static VMCoreInfoState * volatile vmcoreinfo_state G_GNUC_UNUSED; @@ -76,6 +77,10 @@ static void vmcoreinfo_realize(VMCoreInfoState *s, Error= **errp) return; } =20 + if (vmstate_register_any(VMSTATE_IF(s), &vmstate_vmcoreinfo, s) < 0) { + error_setg(errp, "%s: Failed to register vmstate", TYPE_VMCOREINFO= ); + } + fw_cfg_add_file_callback(fw_cfg, FW_CFG_VMCOREINFO_FILENAME, NULL, fw_cfg_vmci_write, s, &s->vmcoreinfo, sizeof(s->vmcoreinfo), false); @@ -88,25 +93,11 @@ static void vmcoreinfo_realize(VMCoreInfoState *s, Erro= r **errp) vmcoreinfo_state =3D s; } =20 -static void vmcoreinfo_device_realize(DeviceState *dev, Error **errp) -{ - vmcoreinfo_realize(VMCOREINFO_DEVICE(dev), errp); -} - static bool vmcoreinfo_can_be_deleted(UserCreatable *uc) { return false; } =20 -static void vmcoreinfo_complete(UserCreatable *uc, Error **errp) -{ - if (vmstate_register_any(VMSTATE_IF(uc), &vmstate_vmcoreinfo, uc) < 0)= { - error_setg(errp, "%s: Failed to register vmstate", TYPE_VMCOREINFO= ); - } - - vmcoreinfo_realize(VMCOREINFO(uc), errp); -} - static void vmcoreinfo_class_init(ObjectClass *oc, void *data) { UserCreatableClass *ucc =3D USER_CREATABLE_CLASS(oc); @@ -119,25 +110,7 @@ static void vmcoreinfo_class_init(ObjectClass *oc, voi= d *data) rc->phases.hold =3D vmcoreinfo_reset_hold; } =20 -static void vmcoreinfo_device_class_init(ObjectClass *klass, void *data) -{ - DeviceClass *dc =3D DEVICE_CLASS(klass); - ResettableClass *rc =3D RESETTABLE_CLASS(klass); - - dc->vmsd =3D &vmstate_vmcoreinfo; - dc->realize =3D vmcoreinfo_device_realize; - dc->hotpluggable =3D false; - set_bit(DEVICE_CATEGORY_MISC, dc->categories); - rc->phases.hold =3D vmcoreinfo_reset_hold; -} - static const TypeInfo vmcoreinfo_types[] =3D { - { - .name =3D TYPE_VMCOREINFO_DEVICE, - .parent =3D TYPE_DEVICE, - .instance_size =3D sizeof(VMCoreInfoState), - .class_init =3D vmcoreinfo_device_class_init, - }, { .name =3D TYPE_VMCOREINFO, .parent =3D TYPE_OBJECT, @@ -158,10 +131,7 @@ VMCoreInfoState *vmcoreinfo_find(void) { Object *obj; =20 - obj =3D object_resolve_path_type("", TYPE_VMCOREINFO_DEVICE, NULL); - if (!obj) { - obj =3D object_resolve_path_type("", TYPE_VMCOREINFO, NULL); - } + obj =3D object_resolve_path_type("", TYPE_VMCOREINFO, NULL); =20 return obj ? (VMCoreInfoState *)obj : NULL; } --=20 2.47.1