From: Julien Grall <julien.grall@citrix.com>
To: Ian Campbell <ian.campbell@citrix.com>
Cc: Vijay Kilari <vijay.kilari@gmail.com>,
Stefano Stabellini <stefano.stabellini@eu.citrix.com>,
Prasun Kapoor <Prasun.Kapoor@caviumnetworks.com>,
Vijaya Kumar K <Vijaya.Kumar@caviumnetworks.com>,
Tim Deegan <tim@xen.org>,
"xen-devel@lists.xen.org" <xen-devel@lists.xen.org>,
Stefano Stabellini <stefano.stabellini@citrix.com>,
manish.jaggi@caviumnetworks.com
Subject: Re: [PATCH v4 07/17] xen/arm: ITS: Add virtual ITS commands support
Date: Fri, 17 Jul 2015 16:44:12 +0100 [thread overview]
Message-ID: <55A922CC.7090109@citrix.com> (raw)
In-Reply-To: <1437147274.32371.353.camel@citrix.com>
On 17/07/15 16:34, Ian Campbell wrote:
> On Fri, 2015-07-17 at 16:15 +0100, Julien Grall wrote:
>
>>>>
>>>> Also, you have to translate the col_id into to a VCPU ID.
>>>
>>> This is virtual collection id which itself is vcpu id. isn't it?
>>
>> No. A collection can move between CPU, so you will end up to have vCPUID
>> != vCID.
>
> Specifically it is a TA (TargetAddress) and not a collection which is
> equal to a VCPU ID (in our implementation, because we have chosen to
> implement GITS_TYPER.PTA==0).
>
> A collection is mapped onto a TA by MAPC command.
>
> Thus some sort of record of which collection is mapped to which
> TA(==vcpuid) is required.
Correct, I shouldn't have take shortcut while writing my previous mail.
Regards,
--
Julien Grall
next prev parent reply other threads:[~2015-07-17 15:44 UTC|newest]
Thread overview: 113+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-07-10 7:42 [PATCH v4 00/17] Add ITS support vijay.kilari
2015-07-10 7:42 ` [PATCH v4 01/17] xen/arm: Add bitmap_find_next_zero_area helper function vijay.kilari
2015-07-10 9:01 ` Jan Beulich
2015-07-10 9:28 ` Vijay Kilari
2015-07-10 9:30 ` Vijay Kilari
2015-07-10 9:45 ` Vijay Kilari
2015-07-10 10:07 ` Jan Beulich
2015-07-10 7:42 ` [PATCH v4 02/17] xen: Add log2 functionality vijay.kilari
2015-07-10 7:42 ` [PATCH v4 03/17] xen/arm: ITS: Port ITS driver to Xen vijay.kilari
2015-07-10 13:01 ` Ian Campbell
2015-07-15 10:23 ` Julien Grall
2015-07-10 7:42 ` [PATCH v4 04/17] xen/arm: ITS: Add helper functions to manage its_devices vijay.kilari
2015-07-10 13:05 ` Ian Campbell
2015-07-15 10:37 ` Julien Grall
2015-07-15 14:21 ` Vijay Kilari
2015-07-15 14:28 ` Julien Grall
2015-07-10 7:42 ` [PATCH v4 05/17] xen/arm: ITS: implement hw_irq_controller for LPIs vijay.kilari
2015-07-10 13:46 ` Ian Campbell
2015-07-11 14:40 ` Vijay Kilari
2015-07-11 18:08 ` Julien Grall
2015-07-13 9:17 ` Ian Campbell
2015-07-13 21:18 ` Julien Grall
2015-07-15 7:16 ` Vijay Kilari
2015-07-15 8:26 ` Julien Grall
2015-07-15 9:32 ` Ian Campbell
2015-07-15 9:49 ` Julien Grall
2015-07-15 10:01 ` Ian Campbell
2015-07-15 14:15 ` Vijay Kilari
2015-07-15 14:22 ` Julien Grall
2015-07-15 14:28 ` Ian Campbell
2015-07-15 17:01 ` Vijay Kilari
2015-07-16 14:49 ` Ian Campbell
2015-07-16 15:21 ` Marc Zyngier
2015-07-16 16:18 ` Ian Campbell
2015-07-16 16:27 ` Marc Zyngier
2015-07-16 16:37 ` Ian Campbell
2015-07-18 10:13 ` Julien Grall
2015-07-20 11:52 ` Ian Campbell
2015-07-20 12:22 ` Ian Campbell
2015-07-15 18:19 ` Julien Grall
2015-07-10 7:42 ` [PATCH v4 06/17] xen/arm: ITS: Add virtual ITS driver vijay.kilari
2015-07-10 13:54 ` Ian Campbell
2015-07-11 14:48 ` Vijay Kilari
2015-07-13 9:27 ` Ian Campbell
2015-07-10 14:15 ` Ian Campbell
2015-07-11 14:48 ` Vijay Kilari
2015-07-13 9:25 ` Ian Campbell
2015-07-15 12:17 ` Julien Grall
2015-07-10 7:42 ` [PATCH v4 07/17] xen/arm: ITS: Add virtual ITS commands support vijay.kilari
2015-07-10 14:35 ` Ian Campbell
2015-07-11 14:49 ` Vijay Kilari
2015-07-13 9:22 ` Ian Campbell
2015-07-13 11:15 ` Vijay Kilari
2015-07-13 11:37 ` Ian Campbell
2015-07-17 15:01 ` Vijay Kilari
2015-07-15 13:02 ` Julien Grall
2015-07-15 13:56 ` Ian Campbell
2015-07-15 12:57 ` Julien Grall
2015-07-17 14:12 ` Vijay Kilari
2015-07-17 15:15 ` Julien Grall
2015-07-17 15:34 ` Ian Campbell
2015-07-17 15:44 ` Julien Grall [this message]
2015-07-10 7:42 ` [PATCH v4 08/17] xen/arm: ITS: Add APIs to add and assign device vijay.kilari
2015-07-10 14:52 ` Ian Campbell
2015-07-15 13:14 ` Julien Grall
2015-07-16 13:40 ` Vijay Kilari
2015-07-16 14:38 ` Julien Grall
2015-07-15 14:15 ` Julien Grall
2015-07-18 9:44 ` Vijay Kilari
2015-07-18 10:06 ` Julien Grall
2015-07-10 7:42 ` [PATCH v4 09/17] xen/arm: ITS: Add GITS registers emulation vijay.kilari
2015-07-10 14:56 ` Ian Campbell
2015-07-15 16:13 ` Julien Grall
2015-07-10 7:42 ` [PATCH v4 10/17] xen/arm: ITS: Enable physical and virtual ITS driver compilation vijay.kilari
2015-07-15 16:16 ` Julien Grall
2015-07-10 7:42 ` [PATCH v4 11/17] xen/arm: ITS: Add GICR register emulation vijay.kilari
2015-07-10 15:10 ` Ian Campbell
2015-07-11 18:25 ` Julien Grall
2015-07-13 9:28 ` Ian Campbell
2015-07-13 9:53 ` Ian Campbell
2015-07-13 16:53 ` Stefano Stabellini
2015-07-15 17:32 ` Julien Grall
2015-07-16 14:15 ` Vijay Kilari
2015-07-16 14:41 ` Julien Grall
2015-07-16 14:46 ` Vijay Kilari
2015-07-16 14:58 ` Julien Grall
2015-07-10 7:42 ` [PATCH v4 12/17] xen/arm: ITS: Initialize LPI irq descriptors and route vijay.kilari
2015-07-10 15:30 ` Ian Campbell
2015-07-20 13:07 ` Vijay Kilari
2015-07-20 13:25 ` Julien Grall
2015-07-22 13:31 ` Vijay Kilari
2015-07-22 13:39 ` Julien Grall
2015-07-22 14:17 ` Julien Grall
2015-07-13 17:03 ` Stefano Stabellini
2015-07-13 17:13 ` Stefano Stabellini
2015-07-13 17:36 ` Julien Grall
2015-07-15 18:13 ` Julien Grall
2015-07-16 8:06 ` Julien Grall
2015-07-16 8:37 ` Julien Grall
2015-07-10 7:42 ` [PATCH v4 13/17] xen/arm: ITS: Initialize physical ITS vijay.kilari
2015-07-13 17:06 ` Stefano Stabellini
2015-07-10 7:42 ` [PATCH v4 14/17] xen/arm: ITS: Add domain specific ITS initialization vijay.kilari
2015-07-10 15:41 ` Ian Campbell
2015-07-15 17:41 ` Julien Grall
2015-07-10 7:42 ` [PATCH v4 15/17] xen/arm: ITS: Map ITS translation space vijay.kilari
2015-07-10 15:43 ` Ian Campbell
2015-07-15 9:01 ` Julien Grall
2015-07-10 7:42 ` [PATCH v4 16/17] xen/arm: ITS: Generate ITS node for Dom0 vijay.kilari
2015-07-13 16:32 ` Stefano Stabellini
2015-07-13 17:31 ` Julien Grall
2015-07-13 17:36 ` Stefano Stabellini
2015-07-10 7:42 ` [PATCH v4 17/17] xen/arm: ITS: Add pci devices in ThunderX vijay.kilari
2015-07-10 15:45 ` Ian Campbell
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