From: eric.auger@redhat.com (Auger Eric)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH v6 07/18] iommu: Implement reserved_regions iommu-group sysfs file
Date: Fri, 6 Jan 2017 12:46:05 +0100 [thread overview]
Message-ID: <888d3750-817c-77d1-8154-e77cf8c3ad4b@redhat.com> (raw)
In-Reply-To: <20170106110039.GL17255@8bytes.org>
Hi Joerg,
On 06/01/2017 12:00, Joerg Roedel wrote:
> On Thu, Jan 05, 2017 at 07:04:35PM +0000, Eric Auger wrote:
>> + list_for_each_entry_safe(region, next, &group_resv_regions, list) {
>> + str += sprintf(str, "0x%016llx 0x%016llx\n",
>> + (long long int)region->start,
>> + (long long int)(region->start +
>> + region->length - 1));
>> + kfree(region);
>> + }
>
> I think it also makes sense to report the type of the reserved region.
What is the best practice in that case? Shall we put the type enum
values as strings such as:
- direct
- nomap
- msi
and document that in Documentation/ABI/testing/sysfs-kernel-iommu_groups
Thanks
Eric
>
>
>
> Joerg
>
> --
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next prev parent reply other threads:[~2017-01-06 11:46 UTC|newest]
Thread overview: 38+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-01-05 19:04 [PATCH v6 00/18] KVM PCIe/MSI passthrough on ARM/ARM64 and IOVA reserved regions Eric Auger
2017-01-05 19:04 ` [PATCH v6 01/18] iommu/dma: Allow MSI-only cookies Eric Auger
2017-01-06 10:59 ` Joerg Roedel
2017-01-06 11:46 ` Auger Eric
2017-01-06 12:12 ` Robin Murphy
2017-01-06 13:05 ` Auger Eric
2017-01-05 19:04 ` [PATCH v6 02/18] iommu: Rename iommu_dm_regions into iommu_resv_regions Eric Auger
2017-01-05 19:04 ` [PATCH v6 03/18] iommu: Add a new type field in iommu_resv_region Eric Auger
2017-01-05 19:04 ` [PATCH v6 04/18] iommu: iommu_alloc_resv_region Eric Auger
2017-01-05 19:04 ` [PATCH v6 05/18] iommu: Only map direct mapped regions Eric Auger
2017-01-05 19:04 ` [PATCH v6 06/18] iommu: iommu_get_group_resv_regions Eric Auger
2017-01-05 19:04 ` [PATCH v6 07/18] iommu: Implement reserved_regions iommu-group sysfs file Eric Auger
2017-01-06 11:00 ` Joerg Roedel
2017-01-06 11:46 ` Auger Eric [this message]
2017-01-06 12:48 ` Joerg Roedel
2017-01-06 13:04 ` Auger Eric
2017-01-06 17:18 ` Auger Eric
2017-01-08 16:26 ` Auger Eric
2017-01-05 19:04 ` [PATCH v6 08/18] iommu/vt-d: Implement reserved region get/put callbacks Eric Auger
2017-01-06 11:01 ` Joerg Roedel
2017-01-06 11:45 ` Auger Eric
2017-01-06 12:46 ` Joerg Roedel
2017-01-06 13:03 ` Auger Eric
2017-01-05 19:04 ` [PATCH v6 09/18] iommu/amd: Declare MSI and HT regions as reserved IOVA regions Eric Auger
2017-01-05 19:04 ` [PATCH v6 10/18] iommu/arm-smmu: Implement reserved region get/put callbacks Eric Auger
2017-01-05 19:04 ` [PATCH v6 11/18] iommu/arm-smmu-v3: " Eric Auger
2017-01-05 19:04 ` [PATCH v6 12/18] irqdomain: Add irq domain MSI and MSI_REMAP flags Eric Auger
2017-01-05 19:04 ` [PATCH v6 13/18] genirq/msi: Set IRQ_DOMAIN_FLAG_MSI on MSI domain creation Eric Auger
2017-01-05 19:04 ` [PATCH v6 14/18] irqdomain: irq_domain_check_msi_remap Eric Auger
2017-01-05 19:04 ` [PATCH v6 15/18] irqchip/gicv3-its: Sets IRQ_DOMAIN_FLAG_MSI_REMAP Eric Auger
2017-01-05 19:04 ` [PATCH v6 16/18] vfio/type1: Allow transparent MSI IOVA allocation Eric Auger
2017-01-05 19:04 ` [PATCH v6 17/18] vfio/type1: Check MSI remapping at irq domain level Eric Auger
2017-01-06 8:50 ` Bharat Bhushan
2017-01-06 9:08 ` Auger Eric
2017-01-06 9:20 ` Marc Zyngier
2017-01-06 9:31 ` Bharat Bhushan
2017-01-05 19:04 ` [PATCH v6 18/18] iommu/arm-smmu: Do not advertise IOMMU_CAP_INTR_REMAP anymore Eric Auger
2017-01-06 11:02 ` [PATCH v6 00/18] KVM PCIe/MSI passthrough on ARM/ARM64 and IOVA reserved regions Joerg Roedel
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