From: Matthew Rosato <mjrosato@linux.ibm.com>
To: Niklas Schnelle <schnelle@linux.ibm.com>,
Omar Elghoul <oelghoul@linux.ibm.com>,
linux-s390@vger.kernel.org, linux-kernel@vger.kernel.org,
kvm@vger.kernel.org
Cc: hca@linux.ibm.com, gor@linux.ibm.com, agordeev@linux.ibm.com,
borntraeger@linux.ibm.com, svens@linux.ibm.com,
alifm@linux.ibm.com, farman@linux.ibm.com, gbayer@linux.ibm.com,
pasic@linux.ibm.com, alex@shazbot.org, frankja@linux.ibm.com,
imbrenda@linux.ibm.com
Subject: Re: [PATCH v12 5/5] vfio-pci/zdev: Add VFIO FMB device features
Date: Tue, 3 Nov 2026 17:45:15 -0500 [thread overview]
Message-ID: <bfac1711-65a2-40ec-8506-790661351530@linux.ibm.com> (raw)
In-Reply-To: <15fbeb951c380ba6a200651d6ff69b783c96a375.camel@linux.ibm.com>
On 11/3/26 4:08 PM, Niklas Schnelle wrote:
> On Tue, 2026-11-03 at 10:01 -0500, Omar Elghoul wrote:
>> Introduce new VFIO features for zPCI devices to provide FMB passthrough to
>> userspace.
>>
>> Allow the user to enable or disable the FMB using the SET-only feature
>> VFIO_DEVICE_FEATURE_ZPCI_FMB_ENABLE. Likewise allow the user to read the
>> latest FMB using the GET-only feature VFIO_DEVICE_FEATURE_ZPCI_FMB_READ
>> in the case when the FMB is enabled.
>>
>> Signed-off-by: Omar Elghoul <oelghoul@linux.ibm.com>
>> Acked-by: Alex Williamson <alex@shazbot.org>
Reviewed-by: Matthew Rosato <mjrosato@linux.ibm.com>
prev parent reply other threads:[~2026-11-03 22:45 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-11-03 15:01 [PATCH v12 0/5] vfio-pci/zdev: Improved zPCI Function Measurement Support Omar Elghoul
2026-11-03 15:01 ` [PATCH v12 1/5] s390/pci: Hold fmb_lock when enabling or disabling PCI devices Omar Elghoul
2026-11-03 15:01 ` [PATCH v12 2/5] s390/pci: Improve function measurement state management Omar Elghoul
2026-11-03 15:01 ` [PATCH v12 3/5] s390/pci: Improve FMB memory management Omar Elghoul
2026-11-03 15:01 ` [PATCH v12 4/5] s390/pci: Fence FMB enable/disable via debugfs for passthrough devices Omar Elghoul
2026-11-03 15:01 ` [PATCH v12 5/5] vfio-pci/zdev: Add VFIO FMB device features Omar Elghoul
2026-11-03 21:08 ` Niklas Schnelle
2026-11-03 22:45 ` Matthew Rosato [this message]
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