From: Greg Kurz <groug@kaod.org>
To: David Gibson <david@gibson.dropbear.id.au>
Cc: "Jason Wang" <jasowang@redhat.com>,
"Riku Voipio" <riku.voipio@iki.fi>,
qemu-devel@nongnu.org, "Laurent Vivier" <laurent@vivier.eu>,
qemu-ppc@nongnu.org, clg@kaod.org,
"Marc-André Lureau" <marcandre.lureau@redhat.com>,
"Paolo Bonzini" <pbonzini@redhat.com>,
philmd@redhat.com
Subject: Re: [PATCH 05/20] xics: Merge TYPE_ICS_BASE and TYPE_ICS_SIMPLE classes
Date: Wed, 25 Sep 2019 10:16:10 +0200 [thread overview]
Message-ID: <20190925101610.43a5bda8@bahia.lan> (raw)
In-Reply-To: <20190925064534.19155-6-david@gibson.dropbear.id.au>
On Wed, 25 Sep 2019 16:45:19 +1000
David Gibson <david@gibson.dropbear.id.au> wrote:
> TYPE_ICS_SIMPLE is the only subtype of TYPE_ICS_BASE that's ever
> instantiated, and the only one we're ever likely to want. The
> existence of different classes is just a hang over from when we
> (misguidedly) had separate subtypes for the KVM and non-KVM version of
> the device.
>
> So, collapse the two classes together into just TYPE_ICS.
>
> Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
> ---
So this also kills the realize hook, unlike in your previous series
where this was done along with the reset hook change. Makes sense
when merging parent/child class as well.
Reviewed-by: Greg Kurz <groug@kaod.org>
> hw/intc/xics.c | 86 ++++++++++++++-----------------------------
> hw/ppc/pnv_psi.c | 2 +-
> hw/ppc/spapr_irq.c | 4 +-
> include/hw/ppc/xics.h | 16 +++-----
> 4 files changed, 36 insertions(+), 72 deletions(-)
>
> diff --git a/hw/intc/xics.c b/hw/intc/xics.c
> index 82e6f09259..dfe7dbd254 100644
> --- a/hw/intc/xics.c
> +++ b/hw/intc/xics.c
> @@ -555,7 +555,7 @@ static void ics_reset_irq(ICSIRQState *irq)
>
> static void ics_reset(DeviceState *dev)
> {
> - ICSState *ics = ICS_BASE(dev);
> + ICSState *ics = ICS(dev);
> int i;
> uint8_t flags[ics->nr_irqs];
>
> @@ -573,7 +573,7 @@ static void ics_reset(DeviceState *dev)
> if (kvm_irqchip_in_kernel()) {
> Error *local_err = NULL;
>
> - ics_set_kvm_state(ICS_BASE(dev), &local_err);
> + ics_set_kvm_state(ICS(dev), &local_err);
> if (local_err) {
> error_report_err(local_err);
> }
> @@ -585,47 +585,15 @@ static void ics_reset_handler(void *dev)
> ics_reset(dev);
> }
>
> -static void ics_simple_realize(DeviceState *dev, Error **errp)
> +static void ics_realize(DeviceState *dev, Error **errp)
> {
> - ICSState *ics = ICS_SIMPLE(dev);
> - ICSStateClass *icsc = ICS_BASE_GET_CLASS(ics);
> + ICSState *ics = ICS(dev);
> Error *local_err = NULL;
> -
> - icsc->parent_realize(dev, &local_err);
> - if (local_err) {
> - error_propagate(errp, local_err);
> - return;
> - }
> -
> - qemu_register_reset(ics_reset_handler, ics);
> -}
> -
> -static void ics_simple_class_init(ObjectClass *klass, void *data)
> -{
> - DeviceClass *dc = DEVICE_CLASS(klass);
> - ICSStateClass *isc = ICS_BASE_CLASS(klass);
> -
> - device_class_set_parent_realize(dc, ics_simple_realize,
> - &isc->parent_realize);
> -}
> -
> -static const TypeInfo ics_simple_info = {
> - .name = TYPE_ICS_SIMPLE,
> - .parent = TYPE_ICS_BASE,
> - .instance_size = sizeof(ICSState),
> - .class_init = ics_simple_class_init,
> - .class_size = sizeof(ICSStateClass),
> -};
> -
> -static void ics_base_realize(DeviceState *dev, Error **errp)
> -{
> - ICSState *ics = ICS_BASE(dev);
> Object *obj;
> - Error *err = NULL;
>
> - obj = object_property_get_link(OBJECT(dev), ICS_PROP_XICS, &err);
> + obj = object_property_get_link(OBJECT(dev), ICS_PROP_XICS, &local_err);
> if (!obj) {
> - error_propagate_prepend(errp, err,
> + error_propagate_prepend(errp, local_err,
> "required link '" ICS_PROP_XICS
> "' not found: ");
> return;
> @@ -637,16 +605,18 @@ static void ics_base_realize(DeviceState *dev, Error **errp)
> return;
> }
> ics->irqs = g_malloc0(ics->nr_irqs * sizeof(ICSIRQState));
> +
> + qemu_register_reset(ics_reset_handler, ics);
> }
>
> -static void ics_base_instance_init(Object *obj)
> +static void ics_instance_init(Object *obj)
> {
> - ICSState *ics = ICS_BASE(obj);
> + ICSState *ics = ICS(obj);
>
> ics->offset = XICS_IRQ_BASE;
> }
>
> -static int ics_base_pre_save(void *opaque)
> +static int ics_pre_save(void *opaque)
> {
> ICSState *ics = opaque;
>
> @@ -657,7 +627,7 @@ static int ics_base_pre_save(void *opaque)
> return 0;
> }
>
> -static int ics_base_post_load(void *opaque, int version_id)
> +static int ics_post_load(void *opaque, int version_id)
> {
> ICSState *ics = opaque;
>
> @@ -675,7 +645,7 @@ static int ics_base_post_load(void *opaque, int version_id)
> return 0;
> }
>
> -static const VMStateDescription vmstate_ics_base_irq = {
> +static const VMStateDescription vmstate_ics_irq = {
> .name = "ics/irq",
> .version_id = 2,
> .minimum_version_id = 1,
> @@ -689,45 +659,44 @@ static const VMStateDescription vmstate_ics_base_irq = {
> },
> };
>
> -static const VMStateDescription vmstate_ics_base = {
> +static const VMStateDescription vmstate_ics = {
> .name = "ics",
> .version_id = 1,
> .minimum_version_id = 1,
> - .pre_save = ics_base_pre_save,
> - .post_load = ics_base_post_load,
> + .pre_save = ics_pre_save,
> + .post_load = ics_post_load,
> .fields = (VMStateField[]) {
> /* Sanity check */
> VMSTATE_UINT32_EQUAL(nr_irqs, ICSState, NULL),
>
> VMSTATE_STRUCT_VARRAY_POINTER_UINT32(irqs, ICSState, nr_irqs,
> - vmstate_ics_base_irq,
> + vmstate_ics_irq,
> ICSIRQState),
> VMSTATE_END_OF_LIST()
> },
> };
>
> -static Property ics_base_properties[] = {
> +static Property ics_properties[] = {
> DEFINE_PROP_UINT32("nr-irqs", ICSState, nr_irqs, 0),
> DEFINE_PROP_END_OF_LIST(),
> };
>
> -static void ics_base_class_init(ObjectClass *klass, void *data)
> +static void ics_class_init(ObjectClass *klass, void *data)
> {
> DeviceClass *dc = DEVICE_CLASS(klass);
>
> - dc->realize = ics_base_realize;
> - dc->props = ics_base_properties;
> + dc->realize = ics_realize;
> + dc->props = ics_properties;
> dc->reset = ics_reset;
> - dc->vmsd = &vmstate_ics_base;
> + dc->vmsd = &vmstate_ics;
> }
>
> -static const TypeInfo ics_base_info = {
> - .name = TYPE_ICS_BASE,
> +static const TypeInfo ics_info = {
> + .name = TYPE_ICS,
> .parent = TYPE_DEVICE,
> - .abstract = true,
> .instance_size = sizeof(ICSState),
> - .instance_init = ics_base_instance_init,
> - .class_init = ics_base_class_init,
> + .instance_init = ics_instance_init,
> + .class_init = ics_class_init,
> .class_size = sizeof(ICSStateClass),
> };
>
> @@ -767,8 +736,7 @@ void ics_set_irq_type(ICSState *ics, int srcno, bool lsi)
>
> static void xics_register_types(void)
> {
> - type_register_static(&ics_simple_info);
> - type_register_static(&ics_base_info);
> + type_register_static(&ics_info);
> type_register_static(&icp_info);
> type_register_static(&xics_fabric_info);
> }
> diff --git a/hw/ppc/pnv_psi.c b/hw/ppc/pnv_psi.c
> index 8ea81e9d8e..a997f16bb4 100644
> --- a/hw/ppc/pnv_psi.c
> +++ b/hw/ppc/pnv_psi.c
> @@ -469,7 +469,7 @@ static void pnv_psi_power8_instance_init(Object *obj)
> Pnv8Psi *psi8 = PNV8_PSI(obj);
>
> object_initialize_child(obj, "ics-psi", &psi8->ics, sizeof(psi8->ics),
> - TYPE_ICS_SIMPLE, &error_abort, NULL);
> + TYPE_ICS, &error_abort, NULL);
> }
>
> static const uint8_t irq_to_xivr[] = {
> diff --git a/hw/ppc/spapr_irq.c b/hw/ppc/spapr_irq.c
> index ac189c5796..6c45d2a3c0 100644
> --- a/hw/ppc/spapr_irq.c
> +++ b/hw/ppc/spapr_irq.c
> @@ -98,7 +98,7 @@ static void spapr_irq_init_xics(SpaprMachineState *spapr, int nr_irqs,
> Object *obj;
> Error *local_err = NULL;
>
> - obj = object_new(TYPE_ICS_SIMPLE);
> + obj = object_new(TYPE_ICS);
> object_property_add_child(OBJECT(spapr), "ics", obj, &error_abort);
> object_property_add_const_link(obj, ICS_PROP_XICS, OBJECT(spapr),
> &error_fatal);
> @@ -109,7 +109,7 @@ static void spapr_irq_init_xics(SpaprMachineState *spapr, int nr_irqs,
> return;
> }
>
> - spapr->ics = ICS_BASE(obj);
> + spapr->ics = ICS(obj);
>
> xics_spapr_init(spapr);
> }
> diff --git a/include/hw/ppc/xics.h b/include/hw/ppc/xics.h
> index 18fcd2b11c..5a9b73d144 100644
> --- a/include/hw/ppc/xics.h
> +++ b/include/hw/ppc/xics.h
> @@ -89,17 +89,13 @@ struct PnvICPState {
> uint32_t links[3];
> };
>
> -#define TYPE_ICS_BASE "ics-base"
> -#define ICS_BASE(obj) OBJECT_CHECK(ICSState, (obj), TYPE_ICS_BASE)
> +#define TYPE_ICS "ics"
> +#define ICS(obj) OBJECT_CHECK(ICSState, (obj), TYPE_ICS)
>
> -/* Retain ics for sPAPR for migration from existing sPAPR guests */
> -#define TYPE_ICS_SIMPLE "ics"
> -#define ICS_SIMPLE(obj) OBJECT_CHECK(ICSState, (obj), TYPE_ICS_SIMPLE)
> -
> -#define ICS_BASE_CLASS(klass) \
> - OBJECT_CLASS_CHECK(ICSStateClass, (klass), TYPE_ICS_BASE)
> -#define ICS_BASE_GET_CLASS(obj) \
> - OBJECT_GET_CLASS(ICSStateClass, (obj), TYPE_ICS_BASE)
> +#define ICS_CLASS(klass) \
> + OBJECT_CLASS_CHECK(ICSStateClass, (klass), TYPE_ICS)
> +#define ICS_GET_CLASS(obj) \
> + OBJECT_GET_CLASS(ICSStateClass, (obj), TYPE_ICS)
>
> struct ICSStateClass {
> DeviceClass parent_class;
next prev parent reply other threads:[~2019-09-25 8:21 UTC|newest]
Thread overview: 93+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-09-25 6:45 [PATCH 00/20] spapr: IRQ subsystem cleanups David Gibson
2019-09-25 6:45 ` [PATCH 01/20] xics: Use incomplete type for XICSFabric David Gibson
2019-09-25 6:55 ` Cédric Le Goater
2019-09-25 7:48 ` Greg Kurz
2019-09-25 7:45 ` Greg Kurz
2019-09-25 6:45 ` [PATCH 02/20] xics: Eliminate 'reject', 'resend' and 'eoi' class hooks David Gibson
2019-09-25 6:45 ` [PATCH 03/20] xics: Rename misleading ics_simple_*() functions David Gibson
2019-09-25 6:45 ` [PATCH 04/20] xics: Eliminate reset hook David Gibson
2019-09-25 7:33 ` Cédric Le Goater
2019-09-25 7:59 ` Greg Kurz
2019-09-26 2:54 ` David Gibson
2019-09-25 6:45 ` [PATCH 05/20] xics: Merge TYPE_ICS_BASE and TYPE_ICS_SIMPLE classes David Gibson
2019-09-25 8:16 ` Greg Kurz [this message]
2019-09-25 8:31 ` Greg Kurz
2019-09-26 0:55 ` David Gibson
2019-09-26 0:52 ` David Gibson
2019-09-25 12:47 ` Cédric Le Goater
2019-09-25 6:45 ` [PATCH 06/20] xics: Create sPAPR specific ICS subtype David Gibson
2019-09-25 7:34 ` Cédric Le Goater
2019-09-25 8:40 ` Greg Kurz
2019-09-25 8:55 ` Cédric Le Goater
2019-09-25 9:07 ` Greg Kurz
2019-09-26 0:56 ` David Gibson
2019-09-26 7:09 ` Cédric Le Goater
2019-09-27 16:05 ` Greg Kurz
2019-09-30 8:45 ` David Gibson
2019-09-30 17:00 ` Greg Kurz
2019-10-01 1:45 ` David Gibson
2019-09-25 6:45 ` [PATCH 07/20] spapr: Fold spapr_phb_lsi_qirq() into its single caller David Gibson
2019-09-25 6:58 ` Cédric Le Goater
2019-09-25 8:56 ` Greg Kurz
2019-09-26 7:08 ` Philippe Mathieu-Daudé
2019-09-25 6:45 ` [PATCH 08/20] spapr: Replace spapr_vio_qirq() helper with spapr_vio_irq_pulse() helper David Gibson
2019-09-25 6:58 ` Cédric Le Goater
2019-09-25 8:57 ` Greg Kurz
2019-09-26 7:08 ` Philippe Mathieu-Daudé
2019-09-25 6:45 ` [PATCH 09/20] spapr: Clarify and fix handling of nr_irqs David Gibson
2019-09-25 7:05 ` Cédric Le Goater
2019-09-26 1:03 ` David Gibson
2019-09-26 7:02 ` Cédric Le Goater
2019-09-25 17:13 ` Greg Kurz
2019-09-25 6:45 ` [PATCH 10/20] spapr: Eliminate nr_irqs parameter to SpaprIrq::init David Gibson
2019-09-25 7:06 ` Cédric Le Goater
2019-09-25 17:16 ` Greg Kurz
2019-09-25 6:45 ` [PATCH 11/20] spapr: Fix indexing of XICS irqs David Gibson
2019-09-25 7:11 ` Cédric Le Goater
2019-09-25 20:17 ` Greg Kurz
2019-09-26 1:31 ` David Gibson
2019-09-26 7:21 ` Greg Kurz
2019-09-26 11:32 ` David Gibson
2019-09-26 14:44 ` Greg Kurz
2019-09-25 6:45 ` [PATCH 12/20] spapr: Simplify spapr_qirq() handling David Gibson
2019-09-25 7:16 ` Cédric Le Goater
2019-09-25 20:30 ` Greg Kurz
2019-09-26 7:10 ` Philippe Mathieu-Daudé
2019-09-25 6:45 ` [PATCH 13/20] spapr: Eliminate SpaprIrq:get_nodename method David Gibson
2019-09-25 7:19 ` Cédric Le Goater
2019-09-26 7:11 ` Philippe Mathieu-Daudé
2019-09-26 7:48 ` Greg Kurz
2019-09-26 11:36 ` David Gibson
2019-09-25 6:45 ` [PATCH 14/20] spapr: Remove unhelpful tracepoints from spapr_irq_free_xics() David Gibson
2019-09-25 7:20 ` Cédric Le Goater
2019-09-26 7:11 ` Philippe Mathieu-Daudé
2019-09-26 7:50 ` Greg Kurz
2019-09-25 6:45 ` [PATCH 15/20] spapr: Handle freeing of multiple irqs in frontend only David Gibson
2019-09-25 7:21 ` Cédric Le Goater
2019-09-26 7:52 ` Greg Kurz
2019-09-25 6:45 ` [PATCH 16/20] spapr, xics, xive: Better use of assert()s on irq claim/free paths David Gibson
2019-09-25 7:22 ` Cédric Le Goater
2019-09-26 8:08 ` Greg Kurz
2019-09-26 11:39 ` David Gibson
2019-09-25 6:45 ` [PATCH 17/20] spapr: Remove unused return value in claim path David Gibson
2019-09-25 7:23 ` Cédric Le Goater
2019-09-26 7:13 ` Philippe Mathieu-Daudé
2019-09-26 8:36 ` Greg Kurz
2019-09-27 1:47 ` David Gibson
2019-09-25 6:45 ` [PATCH 18/20] xive: Improve irq claim/free path David Gibson
2019-09-25 7:25 ` Cédric Le Goater
2019-09-26 1:05 ` David Gibson
2019-09-25 6:45 ` [PATCH 19/20] spapr: Use less cryptic representation of which irq backends are supported David Gibson
2019-09-25 7:28 ` Cédric Le Goater
2019-09-26 9:16 ` Greg Kurz
2019-09-25 6:45 ` [PATCH 20/20] spapr: Eliminate SpaprIrq::init hook David Gibson
2019-09-25 7:31 ` Cédric Le Goater
2019-09-26 1:13 ` David Gibson
2019-09-26 7:05 ` Cédric Le Goater
2019-09-26 11:29 ` David Gibson
2019-09-26 15:35 ` Greg Kurz
2019-09-27 5:51 ` David Gibson
2019-09-27 6:23 ` Greg Kurz
2019-09-26 15:39 ` Greg Kurz
2019-09-27 14:12 ` Greg Kurz
2019-09-29 9:34 ` David Gibson
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