From: Nirmal Patel <nirmal.patel@linux.intel.com>
To: Nirmal Patel <nirmal.patel@linux.intel.com>,
Jon Derrick <jonathan.derrick@intel.com>,
<linux-pci@vger.kernel.org>
Subject: [PATCH v2 0/2] Issue secondary bus reset and domain window reset
Date: Tue, 20 Jul 2021 13:50:07 -0700 [thread overview]
Message-ID: <20210720205009.111806-1-nirmal.patel@linux.intel.com> (raw)
During VT-d pass-through, the VMD driver occasionally fails to
enumerate underlying NVMe devices when repetitive reboots are
performed in the guest OS. The issue seems to be resolved by
performing secondary bus resets and reinitializing the root
port's bridge windows.
Nirmal Patel (2):
PCI: vmd: Trigger secondary bus reset
PCI: vmd: Issue vmd domain window reset
drivers/pci/controller/vmd.c | 81 ++++++++++++++++++++++++++++++++++++
1 file changed, 81 insertions(+)
--
2.27.0
next reply other threads:[~2021-07-20 21:04 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-07-20 20:50 Nirmal Patel [this message]
2021-07-20 20:50 ` [PATCH v2 1/2] PCI: vmd: Trigger secondary bus reset Nirmal Patel
2021-07-20 22:33 ` Bjorn Helgaas
2021-07-22 18:39 ` Patel, Nirmal
2021-07-21 5:45 ` Christoph Hellwig
2021-07-22 18:45 ` Patel, Nirmal
2021-07-21 8:50 ` Pali Rohár
2021-07-22 18:44 ` Patel, Nirmal
2021-07-22 19:11 ` Bjorn Helgaas
2021-07-20 20:50 ` [PATCH v2 2/2] PCI: vmd: Issue vmd domain window reset Nirmal Patel
2021-07-20 22:42 ` Bjorn Helgaas
2021-07-22 18:47 ` Patel, Nirmal
2021-07-22 19:04 ` Bjorn Helgaas
2021-07-20 21:25 ` [PATCH v2 0/2] Issue secondary bus reset and " Patel, Nirmal
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