From: Pierre Morel <pmorel@linux.ibm.com>
To: Matthew Rosato <mjrosato@linux.ibm.com>, qemu-s390x@nongnu.org
Cc: farman@linux.ibm.com, kvm@vger.kernel.org,
schnelle@linux.ibm.com, cohuck@redhat.com,
richard.henderson@linaro.org, thuth@redhat.com,
qemu-devel@nongnu.org, pasic@linux.ibm.com,
alex.williamson@redhat.com, mst@redhat.com, pbonzini@redhat.com,
david@redhat.com, borntraeger@linux.ibm.com
Subject: Re: [PATCH v5 9/9] s390x/pci: reflect proper maxstbl for groups of interpreted devices
Date: Tue, 19 Apr 2022 21:49:04 +0200 [thread overview]
Message-ID: <a99e5d50-3bd0-f45f-53e3-84520410b846@linux.ibm.com> (raw)
In-Reply-To: <20220404181726.60291-10-mjrosato@linux.ibm.com>
On 4/4/22 20:17, Matthew Rosato wrote:
> The maximum supported store block length might be different depending
> on whether the instruction is interpretively executed (firmware-reported
> maximum) or handled via userspace intercept (host kernel API maximum).
> Choose the best available value during group creation.
>
> Signed-off-by: Matthew Rosato <mjrosato@linux.ibm.com>
Reviewed-by: Pierre Morel <pmorel@linux.ibm.com>
> ---
> hw/s390x/s390-pci-vfio.c | 6 +++++-
> 1 file changed, 5 insertions(+), 1 deletion(-)
>
> diff --git a/hw/s390x/s390-pci-vfio.c b/hw/s390x/s390-pci-vfio.c
> index 985980f021..212dd053f7 100644
> --- a/hw/s390x/s390-pci-vfio.c
> +++ b/hw/s390x/s390-pci-vfio.c
> @@ -213,7 +213,11 @@ static void s390_pci_read_group(S390PCIBusDevice *pbdev,
> resgrp->msia = cap->msi_addr;
> resgrp->mui = cap->mui;
> resgrp->i = cap->noi;
> - resgrp->maxstbl = cap->maxstbl;
> + if (pbdev->interp && hdr->version >= 2) {
> + resgrp->maxstbl = cap->imaxstbl;
> + } else {
> + resgrp->maxstbl = cap->maxstbl;
> + }
> resgrp->version = cap->version;
> resgrp->dtsm = ZPCI_DTSM;
> }
>
--
Pierre Morel
IBM Lab Boeblingen
next prev parent reply other threads:[~2022-04-19 19:47 UTC|newest]
Thread overview: 32+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-04-04 18:17 [PATCH v5 0/9] s390x/pci: zPCI interpretation support Matthew Rosato
2022-04-04 18:17 ` [PATCH v5 1/9] Update linux headers Matthew Rosato
2022-04-04 18:17 ` [PATCH v5 2/9] vfio: tolerate migration protocol v1 uapi renames Matthew Rosato
2022-04-12 15:50 ` Pierre Morel
2022-04-12 16:07 ` Matthew Rosato
2022-04-19 15:44 ` Pierre Morel
2022-04-04 18:17 ` [PATCH v5 3/9] target/s390x: add zpci-interp to cpu models Matthew Rosato
2022-05-18 8:01 ` Thomas Huth
2022-05-18 8:02 ` Thomas Huth
2022-05-18 8:05 ` Thomas Huth
2022-04-04 18:17 ` [PATCH v5 4/9] s390x/pci: add routine to get host function handle from CLP info Matthew Rosato
2022-04-19 19:15 ` Pierre Morel
2022-05-18 8:13 ` Thomas Huth
2022-04-04 18:17 ` [PATCH v5 5/9] s390x/pci: enable for load/store intepretation Matthew Rosato
2022-04-19 19:47 ` Pierre Morel
2022-04-20 15:12 ` Matthew Rosato
2022-04-22 9:27 ` Pierre Morel
2022-04-04 18:17 ` [PATCH v5 6/9] s390x/pci: don't fence interpreted devices without MSI-X Matthew Rosato
2022-04-04 18:17 ` [PATCH v5 7/9] s390x/pci: enable adapter event notification for interpreted devices Matthew Rosato
2022-04-22 9:39 ` Pierre Morel
2022-04-22 12:10 ` Matthew Rosato
2022-05-02 7:48 ` Pierre Morel
2022-05-02 9:19 ` Niklas Schnelle
2022-05-02 11:30 ` Pierre Morel
2022-05-02 19:57 ` Matthew Rosato
2022-05-03 14:53 ` Pierre Morel
2022-05-04 14:20 ` Matthew Rosato
2022-04-04 18:17 ` [PATCH v5 8/9] s390x/pci: let intercept devices have separate PCI groups Matthew Rosato
2022-04-04 18:17 ` [PATCH v5 9/9] s390x/pci: reflect proper maxstbl for groups of interpreted devices Matthew Rosato
2022-04-19 19:49 ` Pierre Morel [this message]
2022-04-22 9:43 ` Pierre Morel
2022-05-06 9:03 ` Pierre Morel
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