From: Julien Grall <julien.grall@linaro.org>
To: Ian Campbell <Ian.Campbell@citrix.com>
Cc: xen-devel@lists.xenproject.org, Jan Beulich <jbeulich@suse.com>,
tim@xen.org, Xiantao Zhang <xiantao.zhang@intel.com>,
stefano.stabellini@citrix.com
Subject: Re: [PATCH v3 08/13] xen/passthrough: iommu: Basic support of device tree assignment
Date: Tue, 18 Mar 2014 19:46:30 +0000 [thread overview]
Message-ID: <5328A296.8030301@linaro.org> (raw)
In-Reply-To: <1395160425.11824.11.camel@kazak.uk.xensource.com>
Hi Ian,
On 03/18/2014 04:33 PM, Ian Campbell wrote:
> On Tue, 2014-03-11 at 15:49 +0000, Julien Grall wrote:
>> Add IOMMU helpers to support device tree assignment/deassignment. This patch
>> introduces 2 new fields in the dt_device_node:
>> - is_protected: Does the device is protected by an IOMMU
>> - next_assigned: Pointer to the next device assigned to the same
>> domain
>
> Am I correct that this list is not maintained for dom0? The behaviour of
> dt_assign_device and dt_deassign_device seems to rely on it?
DOM0 will call dt_assign_device for every device protected by the IOMMU
(see patch #9). So it will itself have a list maintained.
Regards,
--
Julien Grall
next prev parent reply other threads:[~2014-03-18 19:46 UTC|newest]
Thread overview: 63+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-03-11 15:49 [PATCH v3 00/13] IOMMU support for ARM Julien Grall
2014-03-11 15:49 ` [PATCH v3 01/13] xen/common: grant-table: only call IOMMU if paging mode translate is disabled Julien Grall
2014-03-11 15:49 ` [PATCH v3 02/13] xen/passthrough: amd: Remove domain_id from hvm_iommu Julien Grall
2014-03-18 16:19 ` Ian Campbell
2014-03-18 16:32 ` Jan Beulich
2014-03-11 15:49 ` [PATCH v3 03/13] xen/dts: Add dt_property_read_bool Julien Grall
2014-03-11 15:49 ` [PATCH v3 04/13] xen/dts: Add dt_parse_phandle_with_args and dt_parse_phandle Julien Grall
2014-03-18 16:20 ` Ian Campbell
2014-03-11 15:49 ` [PATCH v3 05/13] xen/passthrough: rework dom0_pvh_reqs to use it also on ARM Julien Grall
2014-03-18 16:22 ` Ian Campbell
2014-03-18 17:28 ` Julien Grall
2014-03-18 17:50 ` Ian Campbell
2014-03-18 18:19 ` Julien Grall
2014-03-19 10:01 ` Ian Campbell
2014-03-11 15:49 ` [PATCH v3 06/13] xen/passthrough: iommu: Split generic IOMMU code Julien Grall
2014-03-11 16:50 ` Jan Beulich
2014-03-11 17:09 ` Julien Grall
2014-03-12 7:15 ` Jan Beulich
2014-03-18 16:24 ` Ian Campbell
2014-03-18 17:36 ` Julien Grall
2014-03-18 17:50 ` Ian Campbell
2014-03-18 18:21 ` Julien Grall
2014-03-19 10:02 ` Ian Campbell
2014-03-11 15:49 ` [PATCH v3 07/13] xen/passthrough: iommu: Introduce arch specific code Julien Grall
2014-03-11 16:15 ` Julien Grall
2014-03-11 16:53 ` Jan Beulich
2014-03-18 16:27 ` Ian Campbell
2014-03-18 19:40 ` Julien Grall
2014-03-11 15:49 ` [PATCH v3 08/13] xen/passthrough: iommu: Basic support of device tree assignment Julien Grall
2014-03-11 16:55 ` Jan Beulich
2014-03-18 16:33 ` Ian Campbell
2014-03-18 19:46 ` Julien Grall [this message]
2014-03-19 10:12 ` Ian Campbell
2014-03-19 10:42 ` Julien Grall
2014-03-19 10:54 ` Ian Campbell
2014-03-11 15:49 ` [PATCH v3 09/13] xen/passthrough: Introduce IOMMU ARM architecture Julien Grall
2014-03-18 16:40 ` Ian Campbell
2014-03-18 19:58 ` Julien Grall
2014-03-19 10:29 ` Ian Campbell
2014-03-11 15:49 ` [PATCH v3 10/13] MAINTAINERS: Add drivers/passthrough/arm Julien Grall
2014-03-11 15:49 ` [PATCH v3 11/13] xen/arm: Don't give IOMMU devices to dom0 when iommu is disabled Julien Grall
2014-03-18 16:41 ` Ian Campbell
2014-03-11 15:49 ` [PATCH v3 12/13] xen/arm: Add the property "protected-devices" in the hypervisor node Julien Grall
2014-03-18 16:48 ` Ian Campbell
2014-03-18 20:09 ` Julien Grall
2014-03-19 10:33 ` Ian Campbell
2014-04-03 21:51 ` Julien Grall
2014-04-04 9:40 ` Ian Campbell
2014-04-04 10:25 ` Julien Grall
2014-04-04 10:28 ` Ian Campbell
2014-04-04 10:39 ` Julien Grall
2014-04-04 10:48 ` Ian Campbell
2014-04-04 11:01 ` Julien Grall
2014-04-04 11:13 ` Ian Campbell
2014-04-04 11:23 ` Julien Grall
2014-04-04 12:45 ` Ian Campbell
2014-04-04 13:10 ` Julien Grall
2014-04-04 13:18 ` Ian Campbell
2014-03-11 15:49 ` [PATCH v3 13/13] drivers/passthrough: arm: Add support for SMMU drivers Julien Grall
2014-03-18 16:54 ` Ian Campbell
2014-03-18 20:25 ` Julien Grall
2014-03-19 10:35 ` Ian Campbell
2014-03-19 10:44 ` Julien Grall
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