From: Eric Auger <eric.auger@redhat.com>
To: eric.auger.pro@gmail.com, eric.auger@redhat.com,
iommu@lists.linux-foundation.org, linux-kernel@vger.kernel.org,
kvm@vger.kernel.org, kvmarm@lists.cs.columbia.edu,
joro@8bytes.org, alex.williamson@redhat.com,
jacob.jun.pan@linux.intel.com, yi.l.liu@linux.intel.com,
jean-philippe.brucker@arm.com, will.deacon@arm.com,
robin.murphy@arm.com
Cc: tianyu.lan@intel.com, ashok.raj@intel.com, marc.zyngier@arm.com,
christoffer.dall@arm.com, peter.maydell@linaro.org
Subject: [RFC v2 13/20] iommu/smmuv3: Implement bind_guest_msi
Date: Tue, 18 Sep 2018 16:24:50 +0200 [thread overview]
Message-ID: <20180918142457.3325-14-eric.auger@redhat.com> (raw)
In-Reply-To: <20180918142457.3325-1-eric.auger@redhat.com>
The bind_guest_msi() callback checks the domain
is NESTED and redirect to the dma-iommu implementation.
Signed-off-by: Eric Auger <eric.auger@redhat.com>
---
drivers/iommu/arm-smmu-v3.c | 22 ++++++++++++++++++++++
1 file changed, 22 insertions(+)
diff --git a/drivers/iommu/arm-smmu-v3.c b/drivers/iommu/arm-smmu-v3.c
index 4054da756a41..d9d300ab62a5 100644
--- a/drivers/iommu/arm-smmu-v3.c
+++ b/drivers/iommu/arm-smmu-v3.c
@@ -2168,6 +2168,27 @@ static void arm_smmu_put_resv_regions(struct device *dev,
kfree(entry);
}
+static int arm_smmu_bind_guest_msi(struct iommu_domain *domain,
+ struct iommu_guest_msi_binding *binding)
+{
+ struct arm_smmu_domain *smmu_domain = to_smmu_domain(domain);
+ struct arm_smmu_device *smmu;
+ int ret = -EINVAL;
+
+ mutex_lock(&smmu_domain->init_mutex);
+ smmu = smmu_domain->smmu;
+ if (!smmu)
+ goto out;
+
+ if (smmu_domain->stage != ARM_SMMU_DOMAIN_NESTED)
+ goto out;
+
+ ret = iommu_dma_bind_doorbell(domain, binding);
+out:
+ mutex_unlock(&smmu_domain->init_mutex);
+ return ret;
+}
+
static int arm_smmu_bind_pasid_table(struct iommu_domain *domain,
struct iommu_pasid_table_config *cfg)
{
@@ -2311,6 +2332,7 @@ static struct iommu_ops arm_smmu_ops = {
.bind_pasid_table = arm_smmu_bind_pasid_table,
.unbind_pasid_table = arm_smmu_unbind_pasid_table,
.cache_invalidate = arm_smmu_cache_invalidate,
+ .bind_guest_msi = arm_smmu_bind_guest_msi,
.pgsize_bitmap = -1UL, /* Restricted during device attach */
};
--
2.17.1
next prev parent reply other threads:[~2018-09-18 14:26 UTC|newest]
Thread overview: 33+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-09-18 14:24 [RFC v2 00/20] SMMUv3 Nested Stage Setup Eric Auger
2018-09-18 14:24 ` [RFC v2 01/20] iommu: Introduce bind_pasid_table API Eric Auger
2018-09-20 17:21 ` Jacob Pan
2018-09-21 9:45 ` Auger Eric
2018-09-18 14:24 ` [RFC v2 02/20] iommu: Introduce cache_invalidate API Eric Auger
2018-09-18 14:24 ` [RFC v2 03/20] iommu: Introduce bind_guest_msi Eric Auger
2018-09-18 14:24 ` [RFC v2 04/20] vfio: VFIO_IOMMU_BIND_PASID_TABLE Eric Auger
2018-09-18 14:24 ` [RFC v2 05/20] vfio: VFIO_IOMMU_CACHE_INVALIDATE Eric Auger
2018-09-18 14:24 ` [RFC v2 06/20] vfio: VFIO_IOMMU_BIND_MSI Eric Auger
2018-09-18 14:24 ` [RFC v2 07/20] iommu/arm-smmu-v3: Link domains and devices Eric Auger
2018-09-18 14:24 ` [RFC v2 08/20] iommu/arm-smmu-v3: Maintain a SID->device structure Eric Auger
2018-09-18 14:24 ` [RFC v2 09/20] iommu/smmuv3: Get prepared for nested stage support Eric Auger
2018-09-18 14:24 ` [RFC v2 10/20] iommu/smmuv3: Implement bind_pasid_table Eric Auger
2018-09-18 14:24 ` [RFC v2 11/20] iommu/smmuv3: Implement cache_invalidate Eric Auger
2018-09-18 14:24 ` [RFC v2 12/20] dma-iommu: Implement NESTED_MSI cookie Eric Auger
2018-10-24 18:02 ` Robin Murphy
2018-10-24 18:44 ` Auger Eric
2018-10-24 22:05 ` Robin Murphy
2018-10-27 9:24 ` Auger Eric
2018-09-18 14:24 ` Eric Auger [this message]
2018-09-18 14:24 ` [RFC v2 14/20] iommu: introduce device fault data Eric Auger
2018-09-20 22:06 ` Jacob Pan
2018-09-21 9:54 ` Auger Eric
2018-09-21 16:18 ` Jacob Pan
2018-12-12 8:21 ` Auger Eric
2018-12-15 0:30 ` Jacob Pan
2018-12-17 9:04 ` Auger Eric
2018-09-18 14:24 ` [RFC v2 15/20] driver core: add per device iommu param Eric Auger
2018-09-18 14:24 ` [RFC v2 16/20] iommu: introduce device fault report API Eric Auger
2018-09-18 14:24 ` [RFC v2 17/20] vfio: VFIO_IOMMU_SET_FAULT_EVENTFD Eric Auger
2018-09-18 14:24 ` [RFC v2 18/20] vfio: VFIO_IOMMU_GET_FAULT_EVENTS Eric Auger
2018-09-18 14:24 ` [RFC v2 19/20] vfio: Document nested stage control Eric Auger
2018-09-18 14:24 ` [RFC v2 20/20] iommu/smmuv3: Report non recoverable faults Eric Auger
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=20180918142457.3325-14-eric.auger@redhat.com \
--to=eric.auger@redhat.com \
--cc=alex.williamson@redhat.com \
--cc=ashok.raj@intel.com \
--cc=christoffer.dall@arm.com \
--cc=eric.auger.pro@gmail.com \
--cc=iommu@lists.linux-foundation.org \
--cc=jacob.jun.pan@linux.intel.com \
--cc=jean-philippe.brucker@arm.com \
--cc=joro@8bytes.org \
--cc=kvm@vger.kernel.org \
--cc=kvmarm@lists.cs.columbia.edu \
--cc=linux-kernel@vger.kernel.org \
--cc=marc.zyngier@arm.com \
--cc=peter.maydell@linaro.org \
--cc=robin.murphy@arm.com \
--cc=tianyu.lan@intel.com \
--cc=will.deacon@arm.com \
--cc=yi.l.liu@linux.intel.com \
/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 a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).