From: David Gibson <david@gibson.dropbear.id.au>
To: Alexey Kardashevskiy <aik@ozlabs.ru>
Cc: "Cédric Le Goater" <clg@kaod.org>,
qemu-ppc@nongnu.org, qemu-devel@nongnu.org
Subject: Re: [Qemu-devel] [Qemu-ppc] [RFC PATCH 04/26] ppc/xive: introduce a skeleton for the XIVE interrupt controller model
Date: Tue, 25 Jul 2017 12:17:49 +1000 [thread overview]
Message-ID: <20170725021749.GC9471@umbus.fritz.box> (raw)
In-Reply-To: <b94d43ed-3d9b-2727-fb0f-8ffb2910aa00@ozlabs.ru>
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On Tue, Jul 25, 2017 at 11:26:13AM +1000, Alexey Kardashevskiy wrote:
> On 24/07/17 23:00, Cédric Le Goater wrote:
> >>> +#include "qemu/osdep.h"
> >>> +#include "qemu/log.h"
> >>> +#include "qapi/error.h"
> >>> +#include "target/ppc/cpu.h"
> >>> +#include "sysemu/cpus.h"
> >>> +#include "sysemu/dma.h"
> >>> +#include "monitor/monitor.h"
> >>> +#include "hw/ppc/xive.h"
> >>> +
> >>> +#include "xive-internal.h"
> >>> +
> >>> +/*
> >>> + * Main XIVE object
> >>
> >> As with XICs, does it really make sense for there to be a "main" XIVE
> >> object, or should be an interface attached to the machine?
> >
> > yes. There are internal tables which are very specific to the controller
> > and I don't think they belong to the machine.
>
> These tables belong to a CPU chip (die?) and we do not emulate these now
> (machines and cores are the closest) and since we do not want (do we?) to
> treat a core as a chip, the machine is the most obvious owner for these tables.
No, I think it's reasonable for them to be owned by a XIVE object
under the machine.
--
David Gibson | I'll have my music baroque, and my code
david AT gibson.dropbear.id.au | minimalist, thank you. NOT _the_ _other_
| _way_ _around_!
http://www.ozlabs.org/~dgibson
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next prev parent reply other threads:[~2017-07-25 2:19 UTC|newest]
Thread overview: 122+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-07-05 17:13 [Qemu-devel] [RFC PATCH 00/26] guest exploitation of the XIVE interrupt controller (POWER9) Cédric Le Goater
2017-07-05 17:13 ` [Qemu-devel] [RFC PATCH 01/26] spapr: introduce the XIVE_EXPLOIT option in CAS Cédric Le Goater
2017-07-05 17:13 ` [Qemu-devel] [RFC PATCH 02/26] spapr: populate device tree depending on XIVE_EXPLOIT option Cédric Le Goater
2017-07-05 17:13 ` [Qemu-devel] [RFC PATCH 03/26] target/ppc/POWER9: add POWERPC_EXCP_POWER9 Cédric Le Goater
2017-07-10 10:26 ` David Gibson
2017-07-10 12:49 ` Cédric Le Goater
2017-07-10 21:00 ` Benjamin Herrenschmidt
2017-07-11 9:01 ` Cédric Le Goater
2017-07-11 13:27 ` David Gibson
2017-07-11 13:52 ` Cédric Le Goater
2017-07-11 21:20 ` Benjamin Herrenschmidt
2017-07-05 17:13 ` [Qemu-devel] [RFC PATCH 04/26] ppc/xive: introduce a skeleton for the XIVE interrupt controller model Cédric Le Goater
2017-07-19 3:08 ` David Gibson
2017-07-19 3:23 ` David Gibson
2017-07-19 3:56 ` Benjamin Herrenschmidt
2017-07-19 4:01 ` David Gibson
2017-07-19 4:18 ` Benjamin Herrenschmidt
2017-07-19 4:25 ` David Gibson
2017-07-19 4:02 ` Benjamin Herrenschmidt
2017-07-21 7:50 ` David Gibson
2017-07-21 8:21 ` Benjamin Herrenschmidt
2017-07-24 3:28 ` David Gibson
2017-07-24 3:53 ` Alexey Kardashevskiy
2017-07-24 5:04 ` Benjamin Herrenschmidt
2017-07-24 5:38 ` David Gibson
2017-07-24 7:20 ` Benjamin Herrenschmidt
2017-07-24 10:03 ` David Gibson
2017-07-25 8:52 ` Cédric Le Goater
2017-07-25 12:39 ` David Gibson
2017-07-25 13:48 ` Cédric Le Goater
2017-07-24 13:00 ` Cédric Le Goater
2017-07-25 1:26 ` [Qemu-devel] [Qemu-ppc] " Alexey Kardashevskiy
2017-07-25 2:17 ` David Gibson [this message]
2017-07-05 17:13 ` [Qemu-devel] [RFC PATCH 05/26] ppc/xive: define XIVE internal tables Cédric Le Goater
2017-07-19 3:24 ` David Gibson
2017-07-24 12:52 ` Cédric Le Goater
2017-07-25 2:16 ` David Gibson
2017-07-25 15:54 ` Cédric Le Goater
2017-07-05 17:13 ` [Qemu-devel] [RFC PATCH 06/26] ppc/xive: introduce a XIVE interrupt source model Cédric Le Goater
2017-07-24 4:02 ` David Gibson
2017-07-24 6:00 ` Alexey Kardashevskiy
2017-07-24 15:20 ` Cédric Le Goater
2017-07-25 3:06 ` Alexey Kardashevskiy
2017-07-24 15:13 ` Cédric Le Goater
2017-07-05 17:13 ` [Qemu-devel] [RFC PATCH 07/26] ppc/xive: add MMIO handlers to the XIVE interrupt source Cédric Le Goater
2017-07-24 4:29 ` David Gibson
2017-07-24 8:56 ` Benjamin Herrenschmidt
2017-07-24 15:55 ` Cédric Le Goater
2017-07-25 12:21 ` David Gibson
2017-07-25 15:42 ` Cédric Le Goater
2017-07-24 6:50 ` Alexey Kardashevskiy
2017-07-24 15:39 ` Cédric Le Goater
2017-07-05 17:13 ` [Qemu-devel] [RFC PATCH 08/26] ppc/xive: add flags " Cédric Le Goater
2017-07-24 4:36 ` David Gibson
2017-07-24 7:00 ` Benjamin Herrenschmidt
2017-07-24 9:50 ` David Gibson
2017-07-24 11:07 ` Benjamin Herrenschmidt
2017-07-24 11:47 ` Cédric Le Goater
2017-07-25 4:19 ` David Gibson
2017-07-25 5:49 ` Benjamin Herrenschmidt
2017-07-25 4:18 ` David Gibson
2017-07-25 5:47 ` Benjamin Herrenschmidt
2017-07-25 8:28 ` Cédric Le Goater
2017-07-25 12:24 ` David Gibson
2017-07-25 8:17 ` Cédric Le Goater
2017-07-05 17:13 ` [Qemu-devel] [RFC PATCH 09/26] ppc/xive: add an overall memory region for the ESBs Cédric Le Goater
2017-07-24 4:49 ` David Gibson
2017-07-24 6:09 ` Benjamin Herrenschmidt
2017-07-24 6:39 ` David Gibson
2017-07-24 13:27 ` Cédric Le Goater
2017-07-25 2:19 ` David Gibson
2017-07-24 13:25 ` Cédric Le Goater
2017-07-25 2:19 ` David Gibson
2017-07-25 9:50 ` Cédric Le Goater
2017-07-05 17:13 ` [Qemu-devel] [RFC PATCH 10/26] ppc/xive: record interrupt source MMIO address for hcalls Cédric Le Goater
2017-07-24 5:11 ` David Gibson
2017-07-24 13:45 ` Cédric Le Goater
2017-07-05 17:13 ` [Qemu-devel] [RFC PATCH 11/26] ppc/xics: introduce a print_info() handler to the ICS and ICP objects Cédric Le Goater
2017-07-24 5:13 ` David Gibson
2017-07-24 13:58 ` Cédric Le Goater
2017-07-25 13:26 ` David Gibson
2017-07-05 17:13 ` [Qemu-devel] [RFC PATCH 12/26] ppc/xive: add a print_info() handler for the interrupt source Cédric Le Goater
2017-07-05 17:13 ` [Qemu-devel] [RFC PATCH 13/26] ppc/xive: introduce a XIVE interrupt presenter model Cédric Le Goater
2017-07-24 6:05 ` David Gibson
2017-07-24 14:02 ` Cédric Le Goater
2017-07-05 17:13 ` [Qemu-devel] [RFC PATCH 14/26] ppc/xive: add MMIO handlers to the " Cédric Le Goater
2017-07-24 6:35 ` David Gibson
2017-07-24 14:44 ` Cédric Le Goater
2017-07-25 4:20 ` David Gibson
2017-07-25 9:08 ` Cédric Le Goater
2017-07-25 13:21 ` David Gibson
2017-07-25 15:01 ` Cédric Le Goater
2017-07-26 2:02 ` David Gibson
2017-07-05 17:13 ` [Qemu-devel] [RFC PATCH 15/26] ppc/xive: push EQ data in OS event queues Cédric Le Goater
2017-07-05 17:13 ` [Qemu-devel] [RFC PATCH 16/26] ppc/xive: notify CPU when interrupt priority is more privileged Cédric Le Goater
2017-09-09 7:39 ` Benjamin Herrenschmidt
2017-09-09 8:08 ` Cédric Le Goater
2017-09-09 8:40 ` Benjamin Herrenschmidt
2017-09-09 8:24 ` Cédric Le Goater
2017-07-05 17:13 ` [Qemu-devel] [RFC PATCH 17/26] ppc/xive: add hcalls support Cédric Le Goater
2017-07-24 9:39 ` [Qemu-devel] [Qemu-ppc] " Alexey Kardashevskiy
2017-07-24 14:55 ` Cédric Le Goater
2017-07-25 2:09 ` Alexey Kardashevskiy
2017-07-05 17:13 ` [Qemu-devel] [RFC PATCH 18/26] ppc/xive: add device tree support Cédric Le Goater
2017-07-05 17:13 ` [Qemu-devel] [RFC PATCH 19/26] ppc/xive: introduce a helper to map the XIVE memory regions Cédric Le Goater
2017-07-25 2:54 ` [Qemu-devel] [Qemu-ppc] " Alexey Kardashevskiy
2017-07-25 9:18 ` Cédric Le Goater
2017-07-25 14:16 ` Alexey Kardashevskiy
2017-07-05 17:13 ` [Qemu-devel] [RFC PATCH 20/26] ppc/xive: introduce a helper to create XIVE interrupt source objects Cédric Le Goater
2017-07-05 17:13 ` [Qemu-devel] [RFC PATCH 21/26] ppc/xive: introduce routines to allocate IRQ numbers Cédric Le Goater
2017-07-05 17:13 ` [Qemu-devel] [RFC PATCH 22/26] ppc/xive: create an XIVE interrupt source to handle IPIs Cédric Le Goater
2017-07-05 17:13 ` [Qemu-devel] [RFC PATCH 23/26] spapr: add a XIVE object to the sPAPR machine Cédric Le Goater
2017-07-05 17:13 ` [Qemu-devel] [RFC PATCH 24/26] spapr: include the XIVE interrupt source for IPIs Cédric Le Goater
2017-07-05 17:13 ` [Qemu-devel] [RFC PATCH 25/26] spapr: print the XIVE interrupt source for IPIs in the monitor Cédric Le Goater
2017-07-05 17:13 ` [Qemu-devel] [RFC PATCH 26/26] spapr: force XIVE exploitation mode for POWER9 (HACK) Cédric Le Goater
2017-07-25 2:43 ` [Qemu-devel] [Qemu-ppc] " Alexey Kardashevskiy
2017-07-25 9:20 ` Cédric Le Goater
2017-07-10 10:24 ` [Qemu-devel] [RFC PATCH 00/26] guest exploitation of the XIVE interrupt controller (POWER9) David Gibson
2017-07-10 12:36 ` Cédric Le Goater
2017-07-19 3:00 ` David Gibson
2017-07-19 3:55 ` Benjamin Herrenschmidt
2017-07-24 7:28 ` Cédric Le Goater
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