All of lore.kernel.org
 help / color / mirror / Atom feed
From: Rahul Singh <Rahul.Singh@arm.com>
To: Julien Grall <julien@xen.org>
Cc: xen-devel <xen-devel@lists.xenproject.org>,
	"Bertrand Marquis" <Bertrand.Marquis@arm.com>,
	"Jan Beulich" <jbeulich@suse.com>,
	"Andrew Cooper" <andrew.cooper3@citrix.com>,
	"Roger Pau Monné" <roger.pau@citrix.com>, "Wei Liu" <wl@xen.org>,
	"George Dunlap" <george.dunlap@citrix.com>,
	"Ian Jackson" <iwj@xenproject.org>,
	"Stefano Stabellini" <sstabellini@kernel.org>,
	"Paul Durrant" <paul@xen.org>,
	"Daniel De Graaf" <dgdegra@tycho.nsa.gov>,
	"Daniel P. Smith" <dpsmith@apertussolutions.com>
Subject: Re: [PATCH v1 01/14] xen/pci: Refactor MSI code that implements MSI functionality within XEN
Date: Thu, 19 Aug 2021 14:16:55 +0000	[thread overview]
Message-ID: <4909CE53-15AE-4A6D-A32D-69B5E6AC6DDD@arm.com> (raw)
In-Reply-To: <9022cf38-532f-05bd-d78d-50f46cdbd8f5@xen.org>

Hi Julien,

> On 19 Aug 2021, at 1:18 pm, Julien Grall <julien@xen.org> wrote:
> 
> Hi Rahul,
> 
> On 19/08/2021 13:02, Rahul Singh wrote:
>> MSI code that implements MSI functionality to support MSI within XEN is
>> not usable on ARM. Move the code under CONFIG_HAS_PCI_MSI flag to gate
> 
> Can you clarify what you mean by not usable? Is it because we lack of support or we have no plan to use it?

We have no plan to use it. Code moved to CONFIG_HAS_PCI_MSI will only be required for ARM if we 
decide to support PCI device access (PCI MSI interrupt support) within XEN. As of now, we are planning 
to add support for PCI device access for DOM0/DOMU guests not for XEN. 

Regards,
Rahul


  reply	other threads:[~2021-08-19 14:17 UTC|newest]

Thread overview: 98+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-08-19 12:02 [PATCH v1 00/14] PCI devices passthrough on Arm Rahul Singh
2021-08-19 12:02 ` [PATCH v1 01/14] xen/pci: Refactor MSI code that implements MSI functionality within XEN Rahul Singh
2021-08-19 12:18   ` Julien Grall
2021-08-19 14:16     ` Rahul Singh [this message]
2021-09-07 10:01       ` Julien Grall
2021-08-24 15:53   ` Jan Beulich
2021-08-31 12:31     ` Rahul Singh
2021-08-31 13:00       ` Jan Beulich
2021-08-26 13:23   ` Daniel P. Smith
2021-08-19 12:02 ` [PATCH v1 02/14] xen/pci: solve compilation error on ARM with HAS_PCI enabled Rahul Singh
2021-08-19 12:28   ` Julien Grall
2021-08-20 10:30     ` Rahul Singh
2021-08-20 11:37       ` Julien Grall
2021-08-20 11:55         ` Jan Beulich
2021-08-20 12:10           ` Julien Grall
2021-08-20  7:01   ` Jan Beulich
2021-08-20 11:21     ` Rahul Singh
2021-09-09 13:16   ` Julien Grall
2021-08-19 12:02 ` [PATCH v1 03/14] xen/pci: solve compilation error on ARM with ACPI && HAS_PCI Rahul Singh
2021-08-20  7:06   ` Jan Beulich
2021-08-20 11:41     ` Rahul Singh
2021-08-20 11:54       ` Jan Beulich
2021-09-09  1:11         ` Stefano Stabellini
2021-09-10 10:22           ` Rahul Singh
2021-08-19 12:02 ` [PATCH v1 04/14] xen/arm: Add support for PCI init to initialize the PCI driver Rahul Singh
2021-09-07  8:20   ` Julien Grall
2021-09-10 10:47     ` Rahul Singh
2021-09-09  1:16   ` Stefano Stabellini
2021-09-10 10:32     ` Rahul Singh
2021-08-19 12:02 ` [PATCH v1 05/14] xen/arm: PCI host bridge discovery within XEN on ARM Rahul Singh
2021-09-07  9:05   ` Julien Grall
2021-09-10 11:22     ` Rahul Singh
2021-09-10 11:53       ` Julien Grall
2021-09-09 22:54   ` Stefano Stabellini
2021-09-10 11:53     ` Rahul Singh
2021-09-13 14:52   ` Oleksandr Andrushchenko
2021-09-13 20:23     ` Stefano Stabellini
2021-09-14  4:35       ` Oleksandr Andrushchenko
2021-09-14  7:53   ` Oleksandr Andrushchenko
2021-08-19 12:02 ` [PATCH v1 06/14] xen/arm: Add support for PCI ecam operations Rahul Singh
2021-09-09 11:32   ` Julien Grall
2021-09-14  8:13     ` Rahul Singh
2021-09-09 23:21   ` Stefano Stabellini
2021-09-14 11:13     ` Rahul Singh
2021-09-14 23:06       ` Stefano Stabellini
2021-09-15 16:38         ` Rahul Singh
2021-09-15 20:45           ` Stefano Stabellini
2021-09-16 16:51             ` Rahul Singh
2021-08-19 12:02 ` [PATCH v1 07/14] xen/arm: Add support for Xilinx ZynqMP PCI host controller Rahul Singh
2021-09-09 23:34   ` Stefano Stabellini
2021-09-10 12:01     ` Rahul Singh
2021-09-13 14:46       ` Oleksandr Andrushchenko
2021-09-13 21:02         ` Stefano Stabellini
2021-09-14  4:31           ` Oleksandr Andrushchenko
2021-09-17  7:39             ` Rahul Singh
2021-08-19 12:02 ` [PATCH v1 08/14] xen:arm: Implement pci access functions Rahul Singh
2021-09-09 23:41   ` Stefano Stabellini
2021-09-14 16:05     ` Rahul Singh
2021-09-14 22:40       ` Stefano Stabellini
2021-09-15  7:54       ` Oleksandr Andrushchenko
2021-09-15 10:47         ` Rahul Singh
2021-08-19 12:02 ` [PATCH v1 09/14] xen/arm: Add cmdline boot option "pci=on" Rahul Singh
2021-08-19 12:09   ` Jan Beulich
2021-08-19 12:31   ` Julien Grall
2021-08-20 12:19     ` Rahul Singh
2021-08-20 14:34       ` Julien Grall
2021-08-20 14:37         ` Jan Beulich
2021-09-09 23:46           ` Stefano Stabellini
2021-09-09 23:48   ` Stefano Stabellini
2021-08-19 12:02 ` [PATCH v1 10/14] xen/arm: Discovering PCI devices and add the PCI devices in XEN Rahul Singh
2021-08-19 12:35   ` Julien Grall
2021-08-19 13:40     ` Jan Beulich
2021-08-20 13:05     ` Rahul Singh
2021-08-19 12:02 ` [PATCH v1 11/14] xen/arm: Enable the existing x86 virtual PCI support for ARM Rahul Singh
2021-08-24 16:09   ` Jan Beulich
2021-08-25  5:44     ` Oleksandr Andrushchenko
2021-08-25  6:35       ` Jan Beulich
2021-09-09 13:50   ` Julien Grall
2021-09-16 10:46     ` Rahul Singh
2021-09-10  0:26   ` Stefano Stabellini
2021-09-16 11:01     ` Rahul Singh
2021-09-16 20:26       ` Stefano Stabellini
2021-09-21 13:49         ` Rahul Singh
2021-09-21 21:38           ` Stefano Stabellini
2021-08-19 12:02 ` [PATCH v1 12/14] arm/libxl: Emulated PCI device tree node in libxl Rahul Singh
2021-08-19 13:00   ` Julien Grall
2021-08-20 16:03     ` Rahul Singh
2021-09-09 13:59       ` Julien Grall
2021-09-16 16:16         ` Rahul Singh
2021-09-10  0:51   ` Stefano Stabellini
2021-09-16 16:35     ` Rahul Singh
2021-08-19 12:02 ` [PATCH v1 13/14] xen/arm: Fixed error when PCI device is assigned to guest Rahul Singh
2021-08-19 12:12   ` Jan Beulich
2021-08-19 12:40     ` Julien Grall
2021-08-20 17:01     ` Rahul Singh
2021-08-19 12:02 ` [PATCH v1 14/14] xen/arm: Add linux,pci-domain property for hwdom if not available Rahul Singh
2021-09-10  1:00   ` Stefano Stabellini
2021-09-16 16:36     ` Rahul Singh

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=4909CE53-15AE-4A6D-A32D-69B5E6AC6DDD@arm.com \
    --to=rahul.singh@arm.com \
    --cc=Bertrand.Marquis@arm.com \
    --cc=andrew.cooper3@citrix.com \
    --cc=dgdegra@tycho.nsa.gov \
    --cc=dpsmith@apertussolutions.com \
    --cc=george.dunlap@citrix.com \
    --cc=iwj@xenproject.org \
    --cc=jbeulich@suse.com \
    --cc=julien@xen.org \
    --cc=paul@xen.org \
    --cc=roger.pau@citrix.com \
    --cc=sstabellini@kernel.org \
    --cc=wl@xen.org \
    --cc=xen-devel@lists.xenproject.org \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body. 
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.