From: Eric Auger <eric.auger@redhat.com>
To: eric.auger@redhat.com, eric.auger.pro@gmail.com,
christoffer.dall@linaro.org, marc.zyngier@arm.com,
robin.murphy@arm.com, alex.williamson@redhat.com,
will.deacon@arm.com, joro@8bytes.org, tglx@linutronix.de,
jason@lakedaemon.net, linux-arm-kernel@lists.infradead.org
Cc: kvm@vger.kernel.org, drjones@redhat.com,
linux-kernel@vger.kernel.org, Bharat.Bhushan@freescale.com,
pranav.sawargaonkar@gmail.com, p.fedin@samsung.com,
iommu@lists.linux-foundation.org, Jean-Philippe.Brucker@arm.com,
yehuday@marvell.com, Manish.Jaggi@caviumnetworks.com
Subject: [PATCH v14 08/16] irqchip/gicv3-its: Register the MSI doorbell
Date: Wed, 12 Oct 2016 13:22:16 +0000 [thread overview]
Message-ID: <1476278544-3397-9-git-send-email-eric.auger@redhat.com> (raw)
In-Reply-To: <1476278544-3397-1-git-send-email-eric.auger@redhat.com>
This patch registers the ITS global doorbell. Registered information
are needed to set up the KVM passthrough use case.
Signed-off-by: Eric Auger <eric.auger@redhat.com>
---
v13 -> v14:
- use iommu_msi_doorbell_alloc/free
v12 -> v13:
- use new doorbell registration prototype
v11 -> v12:
- use new irq_get_msi_doorbell_info name
- simplify error handling
v10 -> v11:
- adapt to new doorbell registration API and implement msi_doorbell_info
---
drivers/irqchip/irq-gic-v3-its.c | 13 +++++++++++++
1 file changed, 13 insertions(+)
diff --git a/drivers/irqchip/irq-gic-v3-its.c b/drivers/irqchip/irq-gic-v3-its.c
index 98ff669..b42e006 100644
--- a/drivers/irqchip/irq-gic-v3-its.c
+++ b/drivers/irqchip/irq-gic-v3-its.c
@@ -86,6 +86,7 @@ struct its_node {
u32 ite_size;
u32 device_ids;
int numa_node;
+ struct iommu_msi_doorbell_info *doorbell_info;
};
#define ITS_ITT_ALIGN SZ_256
@@ -1717,6 +1718,7 @@ static int __init its_probe(struct device_node *node,
if (of_property_read_bool(node, "msi-controller")) {
struct msi_domain_info *info;
+ phys_addr_t translater;
info = kzalloc(sizeof(*info), GFP_KERNEL);
if (!info) {
@@ -1724,10 +1726,21 @@ static int __init its_probe(struct device_node *node,
goto out_free_tables;
}
+ translater = its->phys_base + GITS_TRANSLATER;
+ its->doorbell_info =
+ iommu_msi_doorbell_alloc(translater, sizeof(u32), true);
+
+ if (IS_ERR(its->doorbell_info)) {
+ kfree(info);
+ goto out_free_tables;
+ }
+
+
inner_domain = irq_domain_add_tree(node, &its_domain_ops, its);
if (!inner_domain) {
err = -ENOMEM;
kfree(info);
+ iommu_msi_doorbell_free(its->doorbell_info);
goto out_free_tables;
}
--
1.9.1
WARNING: multiple messages have this Message-ID (diff)
From: Eric Auger <eric.auger-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
To: eric.auger-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org,
eric.auger.pro-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org,
christoffer.dall-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org,
marc.zyngier-5wv7dgnIgG8@public.gmane.org,
robin.murphy-5wv7dgnIgG8@public.gmane.org,
alex.williamson-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org,
will.deacon-5wv7dgnIgG8@public.gmane.org,
joro-zLv9SwRftAIdnm+yROfE0A@public.gmane.org,
tglx-hfZtesqFncYOwBW4kG4KsQ@public.gmane.org,
jason-NLaQJdtUoK4Be96aLqz0jA@public.gmane.org,
linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org
Cc: drjones-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org,
kvm-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
Manish.Jaggi-M3mlKVOIwJVv6pq1l3V1OdBPR1lH4CV8@public.gmane.org,
p.fedin-Sze3O3UU22JBDgjK7y7TUQ@public.gmane.org,
linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
iommu-cunTk1MwBs9QetFLy7KEm3xJsTq8ys+cHZ5vskTnxNA@public.gmane.org,
pranav.sawargaonkar-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org,
yehuday-eYqpPyKDWXRBDgjK7y7TUQ@public.gmane.org
Subject: [PATCH v14 08/16] irqchip/gicv3-its: Register the MSI doorbell
Date: Wed, 12 Oct 2016 13:22:16 +0000 [thread overview]
Message-ID: <1476278544-3397-9-git-send-email-eric.auger@redhat.com> (raw)
In-Reply-To: <1476278544-3397-1-git-send-email-eric.auger-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
This patch registers the ITS global doorbell. Registered information
are needed to set up the KVM passthrough use case.
Signed-off-by: Eric Auger <eric.auger-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
---
v13 -> v14:
- use iommu_msi_doorbell_alloc/free
v12 -> v13:
- use new doorbell registration prototype
v11 -> v12:
- use new irq_get_msi_doorbell_info name
- simplify error handling
v10 -> v11:
- adapt to new doorbell registration API and implement msi_doorbell_info
---
drivers/irqchip/irq-gic-v3-its.c | 13 +++++++++++++
1 file changed, 13 insertions(+)
diff --git a/drivers/irqchip/irq-gic-v3-its.c b/drivers/irqchip/irq-gic-v3-its.c
index 98ff669..b42e006 100644
--- a/drivers/irqchip/irq-gic-v3-its.c
+++ b/drivers/irqchip/irq-gic-v3-its.c
@@ -86,6 +86,7 @@ struct its_node {
u32 ite_size;
u32 device_ids;
int numa_node;
+ struct iommu_msi_doorbell_info *doorbell_info;
};
#define ITS_ITT_ALIGN SZ_256
@@ -1717,6 +1718,7 @@ static int __init its_probe(struct device_node *node,
if (of_property_read_bool(node, "msi-controller")) {
struct msi_domain_info *info;
+ phys_addr_t translater;
info = kzalloc(sizeof(*info), GFP_KERNEL);
if (!info) {
@@ -1724,10 +1726,21 @@ static int __init its_probe(struct device_node *node,
goto out_free_tables;
}
+ translater = its->phys_base + GITS_TRANSLATER;
+ its->doorbell_info =
+ iommu_msi_doorbell_alloc(translater, sizeof(u32), true);
+
+ if (IS_ERR(its->doorbell_info)) {
+ kfree(info);
+ goto out_free_tables;
+ }
+
+
inner_domain = irq_domain_add_tree(node, &its_domain_ops, its);
if (!inner_domain) {
err = -ENOMEM;
kfree(info);
+ iommu_msi_doorbell_free(its->doorbell_info);
goto out_free_tables;
}
--
1.9.1
WARNING: multiple messages have this Message-ID (diff)
From: eric.auger@redhat.com (Eric Auger)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH v14 08/16] irqchip/gicv3-its: Register the MSI doorbell
Date: Wed, 12 Oct 2016 13:22:16 +0000 [thread overview]
Message-ID: <1476278544-3397-9-git-send-email-eric.auger@redhat.com> (raw)
In-Reply-To: <1476278544-3397-1-git-send-email-eric.auger@redhat.com>
This patch registers the ITS global doorbell. Registered information
are needed to set up the KVM passthrough use case.
Signed-off-by: Eric Auger <eric.auger@redhat.com>
---
v13 -> v14:
- use iommu_msi_doorbell_alloc/free
v12 -> v13:
- use new doorbell registration prototype
v11 -> v12:
- use new irq_get_msi_doorbell_info name
- simplify error handling
v10 -> v11:
- adapt to new doorbell registration API and implement msi_doorbell_info
---
drivers/irqchip/irq-gic-v3-its.c | 13 +++++++++++++
1 file changed, 13 insertions(+)
diff --git a/drivers/irqchip/irq-gic-v3-its.c b/drivers/irqchip/irq-gic-v3-its.c
index 98ff669..b42e006 100644
--- a/drivers/irqchip/irq-gic-v3-its.c
+++ b/drivers/irqchip/irq-gic-v3-its.c
@@ -86,6 +86,7 @@ struct its_node {
u32 ite_size;
u32 device_ids;
int numa_node;
+ struct iommu_msi_doorbell_info *doorbell_info;
};
#define ITS_ITT_ALIGN SZ_256
@@ -1717,6 +1718,7 @@ static int __init its_probe(struct device_node *node,
if (of_property_read_bool(node, "msi-controller")) {
struct msi_domain_info *info;
+ phys_addr_t translater;
info = kzalloc(sizeof(*info), GFP_KERNEL);
if (!info) {
@@ -1724,10 +1726,21 @@ static int __init its_probe(struct device_node *node,
goto out_free_tables;
}
+ translater = its->phys_base + GITS_TRANSLATER;
+ its->doorbell_info =
+ iommu_msi_doorbell_alloc(translater, sizeof(u32), true);
+
+ if (IS_ERR(its->doorbell_info)) {
+ kfree(info);
+ goto out_free_tables;
+ }
+
+
inner_domain = irq_domain_add_tree(node, &its_domain_ops, its);
if (!inner_domain) {
err = -ENOMEM;
kfree(info);
+ iommu_msi_doorbell_free(its->doorbell_info);
goto out_free_tables;
}
--
1.9.1
next prev parent reply other threads:[~2016-10-12 13:23 UTC|newest]
Thread overview: 80+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-10-12 13:22 [PATCH v14 00/16] KVM PCIe/MSI passthrough on ARM/ARM64 Eric Auger
2016-10-12 13:22 ` Eric Auger
2016-10-12 13:22 ` Eric Auger
2016-10-12 13:22 ` [PATCH v14 01/16] iommu/iova: fix __alloc_and_insert_iova_range Eric Auger
2016-10-12 13:22 ` Eric Auger
2016-10-12 13:22 ` Eric Auger
2016-10-12 13:22 ` [PATCH v14 02/16] iommu: Introduce DOMAIN_ATTR_MSI_RESV Eric Auger
2016-10-12 13:22 ` Eric Auger
2016-10-12 13:22 ` [PATCH v14 03/16] iommu/dma: Allow MSI-only cookies Eric Auger
2016-10-12 13:22 ` Eric Auger
2016-10-12 13:22 ` [PATCH v14 04/16] iommu/dma: MSI doorbell alloc/free Eric Auger
2016-10-12 13:22 ` Eric Auger
2016-10-12 13:22 ` Eric Auger
2016-10-14 11:25 ` Punit Agrawal
2016-10-14 11:25 ` Punit Agrawal
2016-10-17 14:25 ` Auger Eric
2016-10-17 14:25 ` Auger Eric
2016-10-17 14:25 ` Auger Eric
2016-10-12 13:22 ` [PATCH v14 05/16] iommu/dma: Introduce iommu_calc_msi_resv Eric Auger
2016-10-12 13:22 ` Eric Auger
2016-10-12 13:22 ` Eric Auger
2016-10-12 13:22 ` [PATCH v14 06/16] iommu/arm-smmu: Implement domain_get_attr for DOMAIN_ATTR_MSI_RESV Eric Auger
2016-10-12 13:22 ` Eric Auger
2016-10-12 13:22 ` Eric Auger
2016-10-12 13:22 ` [PATCH v14 07/16] irqchip/gic-v2m: Register the MSI doorbell Eric Auger
2016-10-12 13:22 ` Eric Auger
2016-10-12 13:22 ` Eric Auger
2016-10-12 13:22 ` Eric Auger [this message]
2016-10-12 13:22 ` [PATCH v14 08/16] irqchip/gicv3-its: " Eric Auger
2016-10-12 13:22 ` Eric Auger
2016-10-12 13:22 ` [PATCH v14 09/16] vfio: Introduce a vfio_dma type field Eric Auger
2016-10-12 13:22 ` Eric Auger
2016-10-12 13:22 ` Eric Auger
2016-10-12 13:22 ` [PATCH v14 10/16] vfio/type1: vfio_find_dma accepting a type argument Eric Auger
2016-10-12 13:22 ` Eric Auger
2016-10-12 13:22 ` Eric Auger
2016-10-12 13:22 ` [PATCH v14 11/16] vfio/type1: Implement recursive vfio_find_dma_from_node Eric Auger
2016-10-12 13:22 ` Eric Auger
2016-10-12 13:22 ` Eric Auger
2016-10-12 13:22 ` [PATCH v14 12/16] vfio/type1: Handle unmap/unpin and replay for VFIO_IOVA_RESERVED slots Eric Auger
2016-10-12 13:22 ` Eric Auger
2016-10-12 13:22 ` Eric Auger
2016-10-12 13:22 ` [PATCH v14 13/16] vfio: Allow reserved msi iova registration Eric Auger
2016-10-12 13:22 ` Eric Auger
2016-10-12 13:22 ` Eric Auger
2016-10-12 13:22 ` [PATCH v14 14/16] vfio/type1: Check doorbell safety Eric Auger
2016-10-12 13:22 ` Eric Auger
2016-10-12 13:22 ` Eric Auger
2016-11-03 13:45 ` Diana Madalina Craciun
2016-11-03 13:45 ` Diana Madalina Craciun
2016-11-03 13:45 ` Diana Madalina Craciun
2016-11-03 14:14 ` Auger Eric
2016-11-03 14:14 ` Auger Eric
2016-11-03 14:14 ` Auger Eric
2016-10-12 13:22 ` [PATCH v14 15/16] iommu/arm-smmu: Do not advertise IOMMU_CAP_INTR_REMAP Eric Auger
2016-10-12 13:22 ` Eric Auger
2016-10-12 13:22 ` Eric Auger
2016-10-12 13:22 ` [PATCH v14 16/16] vfio/type1: Introduce MSI_RESV capability Eric Auger
2016-10-12 13:22 ` Eric Auger
2016-10-12 13:22 ` Eric Auger
2016-10-14 11:24 ` [PATCH v14 00/16] KVM PCIe/MSI passthrough on ARM/ARM64 Punit Agrawal
2016-10-14 11:24 ` Punit Agrawal
2016-10-14 11:24 ` Punit Agrawal
2016-10-17 14:19 ` Auger Eric
2016-10-17 14:19 ` Auger Eric
2016-10-17 14:19 ` Auger Eric
2016-10-17 15:08 ` Punit Agrawal
2016-10-17 15:08 ` Punit Agrawal
2016-10-17 15:08 ` Punit Agrawal
2016-10-20 17:32 ` Will Deacon
2016-10-20 17:32 ` Will Deacon
2016-10-20 17:32 ` Will Deacon
2016-10-21 9:26 ` Auger Eric
2016-10-21 9:26 ` Auger Eric
2016-10-21 9:26 ` Auger Eric
2016-10-24 19:39 ` Robin Murphy
2016-10-24 19:39 ` Robin Murphy
2016-10-24 19:39 ` Robin Murphy
2016-11-02 16:15 ` Auger Eric
2016-11-02 16:15 ` Auger Eric
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