From: Jan Beulich <jbeulich@suse.com>
To: Oleksandr Andrushchenko <andr2000@gmail.com>
Cc: iwj@xenproject.org, wl@xen.org,
Oleksandr Andrushchenko <oleksandr_andrushchenko@epam.com>,
xen-devel@lists.xenproject.org, julien.grall@arm.com,
Bertrand.Marquis@arm.com, sstabellini@kernel.org,
roger.pau@citrix.com, Rahul.Singh@arm.com
Subject: Re: [PATCH 08/10] vpci/arm: Allow updating BAR's header for non-ECAM bridges
Date: Fri, 13 Nov 2020 11:29:35 +0100 [thread overview]
Message-ID: <ae66dddb-98e3-61fd-86c3-eab30ec33d18@suse.com> (raw)
In-Reply-To: <20201109125031.26409-9-andr2000@gmail.com>
On 09.11.2020 13:50, Oleksandr Andrushchenko wrote:
> From: Oleksandr Andrushchenko <oleksandr_andrushchenko@epam.com>
>
> Non-ECAM host bridges in hwdom go directly to PCI config space,
> not through vpci (they use their specific method for accessing PCI
> configuration, e.g. dedicated registers etc.).
And access to these dedicated registers can't be intercepted? It
would seem to me that if so, such a platform is not capable of
being virtualized (without cooperation by all the domains in
possession of devices).
Jan
next prev parent reply other threads:[~2020-11-13 10:29 UTC|newest]
Thread overview: 64+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-11-09 12:50 [PATCH 00/10] [RFC] ARM PCI passthrough configuration and vPCI Oleksandr Andrushchenko
2020-11-09 12:50 ` [PATCH 01/10] pci/pvh: Allow PCI toolstack code run with PVH domains on ARM Oleksandr Andrushchenko
2020-11-11 12:31 ` [SUSPECTED SPAM][PATCH " Roger Pau Monné
2020-11-11 13:10 ` Oleksandr Andrushchenko
2020-11-11 13:55 ` Roger Pau Monné
2020-11-11 14:12 ` Oleksandr Andrushchenko
2020-11-11 14:21 ` Roger Pau Monné
2020-11-09 12:50 ` [PATCH 02/10] arm/pci: Maintain PCI assignable list Oleksandr Andrushchenko
2020-11-11 13:53 ` Roger Pau Monné
2020-11-11 14:38 ` Oleksandr Andrushchenko
2020-11-11 15:03 ` Roger Pau Monné
2020-11-11 15:13 ` Oleksandr Andrushchenko
2020-11-11 15:25 ` Jan Beulich
2020-11-11 15:28 ` Oleksandr Andrushchenko
2020-11-11 14:54 ` Jan Beulich
2020-11-12 12:53 ` Oleksandr Andrushchenko
2020-11-09 12:50 ` [PATCH 03/10] xen/arm: Setup MMIO range trap handlers for hardware domain Oleksandr Andrushchenko
2020-11-11 14:39 ` Roger Pau Monné
2020-11-11 14:42 ` Oleksandr Andrushchenko
2020-11-09 12:50 ` [PATCH 04/10] [WORKAROUND] xen/arm: Update hwdom's p2m to trap ECAM space Oleksandr Andrushchenko
2020-11-11 14:44 ` Roger Pau Monné
2020-11-12 12:54 ` Oleksandr Andrushchenko
2020-11-09 12:50 ` [PATCH 05/10] xen/arm: Process pending vPCI map/unmap operations Oleksandr Andrushchenko
2020-11-09 12:50 ` [PATCH 06/10] vpci: Make every domain handle its own BARs Oleksandr Andrushchenko
2020-11-12 9:40 ` Roger Pau Monné
2020-11-12 13:16 ` Oleksandr Andrushchenko
2020-11-12 14:46 ` Roger Pau Monné
2020-11-13 6:32 ` Oleksandr Andrushchenko
2020-11-13 6:48 ` Oleksandr Andrushchenko
2020-11-13 10:25 ` Jan Beulich
2020-11-13 10:36 ` Julien Grall
2020-11-13 10:53 ` Jan Beulich
2020-11-13 11:06 ` Julien Grall
2020-11-13 11:26 ` Jan Beulich
2020-11-13 11:53 ` Julien Grall
2020-11-13 10:46 ` Oleksandr Andrushchenko
2020-11-13 10:50 ` Jan Beulich
2020-11-13 11:02 ` Oleksandr Andrushchenko
2020-11-13 11:35 ` Jan Beulich
2020-11-13 12:41 ` Oleksandr Andrushchenko
2020-11-13 14:23 ` Jan Beulich
2020-11-13 14:32 ` Oleksandr Andrushchenko
2020-11-13 14:38 ` Jan Beulich
2020-11-13 14:44 ` Oleksandr Andrushchenko
2020-11-13 14:51 ` Jan Beulich
2020-11-13 14:52 ` Oleksandr Andrushchenko
2020-12-04 14:38 ` Oleksandr Andrushchenko
2020-12-07 8:48 ` Jan Beulich
2020-12-07 9:11 ` Oleksandr Andrushchenko
2020-12-07 9:28 ` Jan Beulich
2020-12-07 9:37 ` Oleksandr Andrushchenko
2020-12-07 9:50 ` Jan Beulich
2020-11-09 12:50 ` [PATCH 07/10] xen/arm: Do not hardcode phycial PCI device addresses Oleksandr Andrushchenko
2020-11-09 12:50 ` [PATCH 08/10] vpci/arm: Allow updating BAR's header for non-ECAM bridges Oleksandr Andrushchenko
2020-11-12 9:56 ` Roger Pau Monné
2020-11-13 6:46 ` Oleksandr Andrushchenko
2020-11-13 10:29 ` Jan Beulich [this message]
2020-11-13 10:39 ` Oleksandr Andrushchenko
2020-11-13 10:47 ` Jan Beulich
2020-11-13 10:55 ` Oleksandr Andrushchenko
2020-11-09 12:50 ` [PATCH 09/10] vpci/rcar: Implement vPCI.update_bar_header callback Oleksandr Andrushchenko
2020-11-12 10:00 ` Roger Pau Monné
2020-11-13 6:50 ` Oleksandr Andrushchenko
2020-11-09 12:50 ` [PATCH 10/10] [HACK] vpci/rcar: Make vPCI know DomD is hardware domain Oleksandr Andrushchenko
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