From: Greg Kurz <groug@kaod.org>
To: "Cédric Le Goater" <clg@kaod.org>
Cc: qemu-ppc@nongnu.org, qemu-devel@nongnu.org,
David Gibson <david@gibson.dropbear.id.au>
Subject: Re: [PATCH for-5.0 v5 12/23] ppc/xive: Introduce a XiveFabric interface
Date: Wed, 20 Nov 2019 18:27:49 +0100 [thread overview]
Message-ID: <20191120182749.7e985a5b@bahia.lan> (raw)
In-Reply-To: <20191115162436.30548-13-clg@kaod.org>
On Fri, 15 Nov 2019 17:24:25 +0100
Cédric Le Goater <clg@kaod.org> wrote:
> The XiveFabric QOM interface acts as the PowerBUS interface between
> the interrupt controller and the system and should be implemented by
> the QEMU machine. On HW, the XIVE sub-engine is responsible for the
> communication with the other chip is the Common Queue (CQ) bridge
> unit.
>
> This interface offers a 'match_nvt' handler to perform the CAM line
> matching when looking for a XIVE Presenter with a dispatched NVT.
>
> Signed-off-by: Cédric Le Goater <clg@kaod.org>
> ---
Reviewed-by: Greg Kurz <groug@kaod.org>
> include/hw/ppc/xive.h | 22 ++++++++++++++++++++++
> hw/intc/xive.c | 10 ++++++++++
> 2 files changed, 32 insertions(+)
>
> diff --git a/include/hw/ppc/xive.h b/include/hw/ppc/xive.h
> index f9aa0fa0dac3..b00af988779b 100644
> --- a/include/hw/ppc/xive.h
> +++ b/include/hw/ppc/xive.h
> @@ -399,6 +399,28 @@ int xive_presenter_tctx_match(XivePresenter *xptr, XiveTCTX *tctx,
> uint8_t nvt_blk, uint32_t nvt_idx,
> bool cam_ignore, uint32_t logic_serv);
>
> +/*
> + * XIVE Fabric (Interface between Interrupt Controller and Machine)
> + */
> +
> +typedef struct XiveFabric XiveFabric;
> +
> +#define TYPE_XIVE_FABRIC "xive-fabric"
> +#define XIVE_FABRIC(obj) \
> + INTERFACE_CHECK(XiveFabric, (obj), TYPE_XIVE_FABRIC)
> +#define XIVE_FABRIC_CLASS(klass) \
> + OBJECT_CLASS_CHECK(XiveFabricClass, (klass), TYPE_XIVE_FABRIC)
> +#define XIVE_FABRIC_GET_CLASS(obj) \
> + OBJECT_GET_CLASS(XiveFabricClass, (obj), TYPE_XIVE_FABRIC)
> +
> +typedef struct XiveFabricClass {
> + InterfaceClass parent;
> + int (*match_nvt)(XiveFabric *xfb, uint8_t format,
> + uint8_t nvt_blk, uint32_t nvt_idx,
> + bool cam_ignore, uint8_t priority,
> + uint32_t logic_serv, XiveTCTXMatch *match);
> +} XiveFabricClass;
> +
> /*
> * XIVE END ESBs
> */
> diff --git a/hw/intc/xive.c b/hw/intc/xive.c
> index da6196ca958f..1c9e58f8deac 100644
> --- a/hw/intc/xive.c
> +++ b/hw/intc/xive.c
> @@ -1893,8 +1893,18 @@ static const TypeInfo xive_presenter_info = {
> .class_size = sizeof(XivePresenterClass),
> };
>
> +/*
> + * XIVE Fabric
> + */
> +static const TypeInfo xive_fabric_info = {
> + .name = TYPE_XIVE_FABRIC,
> + .parent = TYPE_INTERFACE,
> + .class_size = sizeof(XiveFabricClass),
> +};
> +
> static void xive_register_types(void)
> {
> + type_register_static(&xive_fabric_info);
> type_register_static(&xive_source_info);
> type_register_static(&xive_notifier_info);
> type_register_static(&xive_presenter_info);
next prev parent reply other threads:[~2019-11-20 17:28 UTC|newest]
Thread overview: 64+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-11-15 16:24 [PATCH for-5.0 v5 00/23] ppc/pnv: add XIVE support for KVM guests Cédric Le Goater
2019-11-15 16:24 ` [PATCH for-5.0 v5 01/23] ppc/xive: Record the IPB in the associated NVT Cédric Le Goater
2019-11-18 15:44 ` Greg Kurz
2019-11-18 15:57 ` Cédric Le Goater
2019-11-19 3:18 ` David Gibson
2019-11-15 16:24 ` [PATCH for-5.0 v5 02/23] ppc/xive: Introduce helpers for the NVT id Cédric Le Goater
2019-11-19 3:19 ` David Gibson
2019-11-19 14:04 ` Greg Kurz
2019-11-19 16:12 ` Cédric Le Goater
2019-11-15 16:24 ` [PATCH for-5.0 v5 03/23] ppc/pnv: Remove pnv_xive_vst_size() routine Cédric Le Goater
2019-11-19 3:22 ` David Gibson
2019-11-15 16:24 ` [PATCH for-5.0 v5 04/23] ppc/pnv: Dump the XIVE NVT table Cédric Le Goater
2019-11-19 22:06 ` David Gibson
2019-11-20 8:39 ` Cédric Le Goater
2019-11-15 16:24 ` [PATCH for-5.0 v5 05/23] ppc/pnv: Quiesce some XIVE errors Cédric Le Goater
2019-11-19 22:07 ` David Gibson
2019-11-15 16:24 ` [PATCH for-5.0 v5 06/23] ppc/xive: Introduce OS CAM line helpers Cédric Le Goater
2019-11-20 3:24 ` David Gibson
2019-11-15 16:24 ` [PATCH for-5.0 v5 07/23] ppc/xive: Check V bit in TM_PULL_POOL_CTX Cédric Le Goater
2019-11-20 3:25 ` David Gibson
2019-11-15 16:24 ` [PATCH for-5.0 v5 08/23] ppc/xive: Introduce a XivePresenter interface Cédric Le Goater
2019-11-20 9:35 ` Greg Kurz
2019-11-15 16:24 ` [PATCH for-5.0 v5 09/23] ppc/xive: Implement the " Cédric Le Goater
2019-11-20 10:18 ` Greg Kurz
2019-11-20 10:45 ` Cédric Le Goater
2019-11-15 16:24 ` [PATCH for-5.0 v5 10/23] ppc/pnv: Loop on the threads of the chip to find a matching NVT Cédric Le Goater
2019-11-20 16:13 ` Greg Kurz
2019-11-15 16:24 ` [PATCH for-5.0 v5 11/23] ppc/pnv: Introduce a pnv_xive_is_cpu_enabled() helper Cédric Le Goater
2019-11-20 17:26 ` Greg Kurz
2019-11-20 21:40 ` Cédric Le Goater
2019-11-21 7:58 ` Greg Kurz
2019-11-21 9:16 ` Cédric Le Goater
2019-11-21 9:49 ` Greg Kurz
2019-11-15 16:24 ` [PATCH for-5.0 v5 12/23] ppc/xive: Introduce a XiveFabric interface Cédric Le Goater
2019-11-20 17:27 ` Greg Kurz [this message]
2019-11-15 16:24 ` [PATCH for-5.0 v5 13/23] ppc/pnv: Implement the " Cédric Le Goater
2019-11-20 17:41 ` Greg Kurz
2019-11-15 16:24 ` [PATCH for-5.0 v5 14/23] ppc/spapr: " Cédric Le Goater
2019-11-20 17:53 ` Greg Kurz
2019-11-21 6:56 ` Cédric Le Goater
2019-11-21 7:24 ` Greg Kurz
2019-11-21 7:38 ` Cédric Le Goater
2019-11-15 16:24 ` [PATCH for-5.0 v5 15/23] ppc/xive: Use the XiveFabric and XivePresenter interfaces Cédric Le Goater
2019-11-20 18:30 ` Greg Kurz
2019-11-21 7:01 ` Cédric Le Goater
2019-11-21 7:30 ` Greg Kurz
2019-11-21 7:40 ` Cédric Le Goater
2019-11-21 8:08 ` Greg Kurz
2019-11-21 9:22 ` Cédric Le Goater
2019-11-21 9:56 ` Greg Kurz
2019-11-15 16:24 ` [PATCH for-5.0 v5 16/23] ppc/xive: Extend the TIMA operation with a XivePresenter parameter Cédric Le Goater
2019-11-22 10:16 ` Greg Kurz
2019-11-15 16:24 ` [PATCH for-5.0 v5 17/23] ppc/pnv: Clarify how the TIMA is accessed on a multichip system Cédric Le Goater
2019-11-22 13:54 ` Greg Kurz
2019-11-15 16:24 ` [PATCH for-5.0 v5 18/23] ppc/xive: Move the TIMA operations to the controller model Cédric Le Goater
2019-11-22 14:58 ` Greg Kurz
2019-11-15 16:24 ` [PATCH for-5.0 v5 19/23] ppc/xive: Remove the get_tctx() XiveRouter handler Cédric Le Goater
2019-11-22 14:07 ` Greg Kurz
2019-11-15 16:24 ` [PATCH for-5.0 v5 20/23] ppc/xive: Introduce a xive_tctx_ipb_update() helper Cédric Le Goater
2019-11-15 16:24 ` [PATCH for-5.0 v5 21/23] ppc/xive: Synthesize interrupt from the saved IPB in the NVT Cédric Le Goater
2019-11-15 16:24 ` [PATCH for-5.0 v5 22/23] ppc/pnv: Introduce a pnv_xive_block_id() helper Cédric Le Goater
2019-11-15 16:24 ` [PATCH for-5.0 v5 23/23] ppc/pnv: Extend XiveRouter with a get_block_id() handler Cédric Le Goater
2019-11-22 18:17 ` [PATCH for-5.0 v5 00/23] ppc/pnv: add XIVE support for KVM guests Cédric Le Goater
2019-11-23 9:25 ` David Gibson
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