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 v2 04/33] xics: Eliminate reset hook
Date: Fri, 27 Sep 2019 09:19:56 +0200 [thread overview]
Message-ID: <20190927091956.6c16486e@bahia.lan> (raw)
In-Reply-To: <20190927055028.11493-5-david@gibson.dropbear.id.au>
On Fri, 27 Sep 2019 15:49:59 +1000
David Gibson <david@gibson.dropbear.id.au> wrote:
> Currently TYPE_XICS_BASE and TYPE_XICS_SIMPLE have their own reset methods,
> using the standard technique for having the subtype call the supertype's
> methods before doing its own thing.
>
> But TYPE_XICS_SIMPLE is the only subtype of TYPE_XICS_BASE ever
> instantiated, so there's no point having the split here. Merge them
> together into just an ics_reset() function.
>
> Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
> Reviewed-by: Cédric Le Goater <clg@kaod.org>
> ---
Reviewed-by: Greg Kurz <groug@kaod.org>
> hw/intc/xics.c | 57 ++++++++++++++++++-------------------------
> include/hw/ppc/xics.h | 1 -
> 2 files changed, 24 insertions(+), 34 deletions(-)
>
> diff --git a/hw/intc/xics.c b/hw/intc/xics.c
> index 310dc72b46..82e6f09259 100644
> --- a/hw/intc/xics.c
> +++ b/hw/intc/xics.c
> @@ -547,11 +547,28 @@ static void ics_eoi(ICSState *ics, uint32_t nr)
> }
> }
>
> -static void ics_simple_reset(DeviceState *dev)
> +static void ics_reset_irq(ICSIRQState *irq)
> {
> - ICSStateClass *icsc = ICS_BASE_GET_CLASS(dev);
> + irq->priority = 0xff;
> + irq->saved_priority = 0xff;
> +}
>
> - icsc->parent_reset(dev);
> +static void ics_reset(DeviceState *dev)
> +{
> + ICSState *ics = ICS_BASE(dev);
> + int i;
> + uint8_t flags[ics->nr_irqs];
> +
> + for (i = 0; i < ics->nr_irqs; i++) {
> + flags[i] = ics->irqs[i].flags;
> + }
> +
> + memset(ics->irqs, 0, sizeof(ICSIRQState) * ics->nr_irqs);
> +
> + for (i = 0; i < ics->nr_irqs; i++) {
> + ics_reset_irq(ics->irqs + i);
> + ics->irqs[i].flags = flags[i];
> + }
>
> if (kvm_irqchip_in_kernel()) {
> Error *local_err = NULL;
> @@ -563,9 +580,9 @@ static void ics_simple_reset(DeviceState *dev)
> }
> }
>
> -static void ics_simple_reset_handler(void *dev)
> +static void ics_reset_handler(void *dev)
> {
> - ics_simple_reset(dev);
> + ics_reset(dev);
> }
>
> static void ics_simple_realize(DeviceState *dev, Error **errp)
> @@ -580,7 +597,7 @@ static void ics_simple_realize(DeviceState *dev, Error **errp)
> return;
> }
>
> - qemu_register_reset(ics_simple_reset_handler, ics);
> + qemu_register_reset(ics_reset_handler, ics);
> }
>
> static void ics_simple_class_init(ObjectClass *klass, void *data)
> @@ -590,8 +607,6 @@ static void ics_simple_class_init(ObjectClass *klass, void *data)
>
> device_class_set_parent_realize(dc, ics_simple_realize,
> &isc->parent_realize);
> - device_class_set_parent_reset(dc, ics_simple_reset,
> - &isc->parent_reset);
> }
>
> static const TypeInfo ics_simple_info = {
> @@ -602,30 +617,6 @@ static const TypeInfo ics_simple_info = {
> .class_size = sizeof(ICSStateClass),
> };
>
> -static void ics_reset_irq(ICSIRQState *irq)
> -{
> - irq->priority = 0xff;
> - irq->saved_priority = 0xff;
> -}
> -
> -static void ics_base_reset(DeviceState *dev)
> -{
> - ICSState *ics = ICS_BASE(dev);
> - int i;
> - uint8_t flags[ics->nr_irqs];
> -
> - for (i = 0; i < ics->nr_irqs; i++) {
> - flags[i] = ics->irqs[i].flags;
> - }
> -
> - memset(ics->irqs, 0, sizeof(ICSIRQState) * ics->nr_irqs);
> -
> - for (i = 0; i < ics->nr_irqs; i++) {
> - ics_reset_irq(ics->irqs + i);
> - ics->irqs[i].flags = flags[i];
> - }
> -}
> -
> static void ics_base_realize(DeviceState *dev, Error **errp)
> {
> ICSState *ics = ICS_BASE(dev);
> @@ -726,7 +717,7 @@ static void ics_base_class_init(ObjectClass *klass, void *data)
>
> dc->realize = ics_base_realize;
> dc->props = ics_base_properties;
> - dc->reset = ics_base_reset;
> + dc->reset = ics_reset;
> dc->vmsd = &vmstate_ics_base;
> }
>
> diff --git a/include/hw/ppc/xics.h b/include/hw/ppc/xics.h
> index 8874bad328..7efd49c02c 100644
> --- a/include/hw/ppc/xics.h
> +++ b/include/hw/ppc/xics.h
> @@ -105,7 +105,6 @@ struct ICSStateClass {
> DeviceClass parent_class;
>
> DeviceRealize parent_realize;
> - DeviceReset parent_reset;
> };
>
> struct ICSState {
next prev parent reply other threads:[~2019-09-27 7:21 UTC|newest]
Thread overview: 83+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-09-27 5:49 [PATCH v2 00/33] spapr: IRQ subsystem cleanup David Gibson
2019-09-27 5:49 ` [PATCH v2 01/33] xics: Minor fixes for XICSFabric interface David Gibson
2019-09-27 7:17 ` Greg Kurz
2019-09-27 5:49 ` [PATCH v2 02/33] xics: Eliminate 'reject', 'resend' and 'eoi' class hooks David Gibson
2019-09-27 5:49 ` [PATCH v2 03/33] xics: Rename misleading ics_simple_*() functions David Gibson
2019-09-27 5:49 ` [PATCH v2 04/33] xics: Eliminate reset hook David Gibson
2019-09-27 7:19 ` Greg Kurz [this message]
2019-09-27 5:50 ` [PATCH v2 05/33] xics: Merge TYPE_ICS_BASE and TYPE_ICS_SIMPLE classes David Gibson
2019-09-27 5:50 ` [PATCH v2 06/33] xics: Create sPAPR specific ICS subtype David Gibson
2019-09-27 7:22 ` Greg Kurz
2019-09-27 5:50 ` [PATCH v2 07/33] spapr: Fold spapr_phb_lsi_qirq() into its single caller David Gibson
2019-09-27 5:50 ` [PATCH v2 08/33] spapr: Replace spapr_vio_qirq() helper with spapr_vio_irq_pulse() helper David Gibson
2019-09-27 5:50 ` [PATCH v2 09/33] spapr: Clarify and fix handling of nr_irqs David Gibson
2019-09-27 7:53 ` Greg Kurz
2019-09-27 7:58 ` David Gibson
2019-09-27 5:50 ` [PATCH v2 10/33] spapr: Eliminate nr_irqs parameter to SpaprIrq::init David Gibson
2019-09-27 7:57 ` Greg Kurz
2019-09-27 5:50 ` [PATCH v2 11/33] spapr: Fix indexing of XICS irqs David Gibson
2019-09-27 5:50 ` [PATCH v2 12/33] spapr: Simplify spapr_qirq() handling David Gibson
2019-09-27 5:50 ` [PATCH v2 13/33] spapr: Eliminate SpaprIrq:get_nodename method David Gibson
2019-09-27 5:50 ` [PATCH v2 14/33] spapr: Remove unhelpful tracepoints from spapr_irq_free_xics() David Gibson
2019-09-27 5:50 ` [PATCH v2 15/33] spapr: Handle freeing of multiple irqs in frontend only David Gibson
2019-09-27 5:50 ` [PATCH v2 16/33] spapr, xics, xive: Better use of assert()s on irq claim/free paths David Gibson
2019-09-27 5:50 ` [PATCH v2 17/33] xive: Improve irq claim/free path David Gibson
2019-09-27 8:40 ` Greg Kurz
2019-09-30 1:39 ` David Gibson
2019-09-27 5:50 ` [PATCH v2 18/33] spapr: Use less cryptic representation of which irq backends are supported David Gibson
2019-09-27 5:50 ` [PATCH v2 19/33] spapr: Eliminate SpaprIrq::init hook David Gibson
2019-09-27 5:50 ` [PATCH v2 20/33] spapr, xics, xive: Introduce SpaprInterruptController QOM interface David Gibson
2019-09-27 9:52 ` Greg Kurz
2019-09-30 5:24 ` Cédric Le Goater
2019-09-27 5:50 ` [PATCH v2 21/33] spapr, xics, xive: Move cpu_intc_create from SpaprIrq to SpaprInterruptController David Gibson
2019-09-27 10:16 ` Greg Kurz
2019-09-30 1:49 ` David Gibson
2019-09-30 5:28 ` Cédric Le Goater
2019-09-30 6:14 ` David Gibson
2019-09-30 10:13 ` Cédric Le Goater
2019-10-01 2:31 ` David Gibson
2019-10-01 5:43 ` Cédric Le Goater
2019-10-01 6:47 ` David Gibson
2019-10-01 7:41 ` Cédric Le Goater
2019-10-01 8:11 ` David Gibson
2019-10-01 11:43 ` Cédric Le Goater
2019-10-02 1:11 ` David Gibson
2019-09-30 2:37 ` David Gibson
2019-09-30 5:30 ` Cédric Le Goater
2019-09-27 5:50 ` [PATCH v2 22/33] spapr, xics, xive: Move irq claim and free " David Gibson
2019-09-27 12:16 ` Greg Kurz
2019-09-30 2:39 ` David Gibson
2019-09-30 5:36 ` Cédric Le Goater
2019-09-30 5:33 ` Cédric Le Goater
2019-09-27 5:50 ` [PATCH v2 23/33] spapr: Formalize notion of active interrupt controller David Gibson
2019-09-27 14:16 ` Greg Kurz
2019-09-30 5:39 ` Cédric Le Goater
2019-09-27 5:50 ` [PATCH v2 24/33] spapr, xics, xive: Move set_irq from SpaprIrq to SpaprInterruptController David Gibson
2019-09-27 14:27 ` Greg Kurz
2019-09-30 2:41 ` David Gibson
2019-09-30 7:22 ` Greg Kurz
2019-09-30 8:28 ` David Gibson
2019-09-30 5:48 ` Cédric Le Goater
2019-09-27 5:50 ` [PATCH v2 25/33] spapr, xics, xive: Move print_info " David Gibson
2019-09-27 14:31 ` Greg Kurz
2019-09-27 5:50 ` [PATCH v2 26/33] spapr, xics, xive: Move dt_populate " David Gibson
2019-09-27 14:38 ` Greg Kurz
2019-09-30 5:51 ` Cédric Le Goater
2019-09-27 5:50 ` [PATCH v2 27/33] spapr, xics, xive: Match signatures for XICS and XIVE KVM connect routines David Gibson
2019-09-27 14:49 ` Greg Kurz
2019-09-30 5:52 ` Cédric Le Goater
2019-09-27 5:50 ` [PATCH v2 28/33] spapr: Remove SpaprIrq::init_kvm hook David Gibson
2019-09-27 15:04 ` Greg Kurz
2019-09-30 5:55 ` Cédric Le Goater
2019-09-27 5:50 ` [PATCH v2 29/33] spapr, xics, xive: Move SpaprIrq::reset hook logic into activate/deactivate David Gibson
2019-09-30 6:11 ` Cédric Le Goater
2019-09-30 8:25 ` David Gibson
2019-09-30 19:29 ` Cédric Le Goater
2019-10-01 3:07 ` David Gibson
2019-09-27 5:50 ` [PATCH v2 30/33] spapr, xics, xive: Move SpaprIrq::post_load hook to backends David Gibson
2019-09-27 5:50 ` [PATCH v2 31/33] spapr: Remove SpaprIrq::nr_msis David Gibson
2019-09-27 15:17 ` Greg Kurz
2019-09-27 5:50 ` [PATCH v2 32/33] spapr: Move SpaprIrq::nr_xirqs to SpaprMachineClass David Gibson
2019-09-27 15:22 ` Greg Kurz
2019-09-30 2:44 ` David Gibson
2019-09-27 5:50 ` [PATCH v2 33/33] spapr: Remove last pieces of SpaprIrq David Gibson
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