Displaying 20 results from an estimated 84 matches for "viommu_ops".
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iommu_ops
2018 Oct 12
3
[PATCH v3 5/7] iommu: Add virtio-iommu driver
...(dev, head);
> +}
> +
> +static void viommu_put_resv_regions(struct device *dev, struct list_head *head)
> +{
> + struct iommu_resv_region *entry, *next;
> +
> + list_for_each_entry_safe(entry, next, head, list)
> + kfree(entry);
> +}
> +
> +static struct iommu_ops viommu_ops;
> +static struct virtio_driver virtio_iommu_drv;
> +
> +static int viommu_match_node(struct device *dev, void *data)
> +{
> + return dev->parent->fwnode == data;
> +}
> +
> +static struct viommu_dev *viommu_get_by_fwnode(struct fwnode_handle *fwnode)
> +{
> + st...
2018 Oct 12
3
[PATCH v3 5/7] iommu: Add virtio-iommu driver
...(dev, head);
> +}
> +
> +static void viommu_put_resv_regions(struct device *dev, struct list_head *head)
> +{
> + struct iommu_resv_region *entry, *next;
> +
> + list_for_each_entry_safe(entry, next, head, list)
> + kfree(entry);
> +}
> +
> +static struct iommu_ops viommu_ops;
> +static struct virtio_driver virtio_iommu_drv;
> +
> +static int viommu_match_node(struct device *dev, void *data)
> +{
> + return dev->parent->fwnode == data;
> +}
> +
> +static struct viommu_dev *viommu_get_by_fwnode(struct fwnode_handle *fwnode)
> +{
> + st...
2018 Nov 22
0
[PATCH v5 5/7] iommu: Add virtio-iommu driver
...mp;region->list, head);
+ iommu_dma_get_resv_regions(dev, head);
+}
+
+static void viommu_put_resv_regions(struct device *dev, struct list_head *head)
+{
+ struct iommu_resv_region *entry, *next;
+
+ list_for_each_entry_safe(entry, next, head, list)
+ kfree(entry);
+}
+
+static struct iommu_ops viommu_ops;
+static struct virtio_driver virtio_iommu_drv;
+
+static int viommu_match_node(struct device *dev, void *data)
+{
+ return dev->parent->fwnode == data;
+}
+
+static struct viommu_dev *viommu_get_by_fwnode(struct fwnode_handle *fwnode)
+{
+ struct device *dev = driver_find_device(&virtio_...
2018 Nov 15
0
[PATCH v4 5/7] iommu: Add virtio-iommu driver
...mp;region->list, head);
+ iommu_dma_get_resv_regions(dev, head);
+}
+
+static void viommu_put_resv_regions(struct device *dev, struct list_head *head)
+{
+ struct iommu_resv_region *entry, *next;
+
+ list_for_each_entry_safe(entry, next, head, list)
+ kfree(entry);
+}
+
+static struct iommu_ops viommu_ops;
+static struct virtio_driver virtio_iommu_drv;
+
+static int viommu_match_node(struct device *dev, void *data)
+{
+ return dev->parent->fwnode == data;
+}
+
+static struct viommu_dev *viommu_get_by_fwnode(struct fwnode_handle *fwnode)
+{
+ struct device *dev = driver_find_device(&virtio_...
2018 Jun 21
0
[PATCH v2 2/5] iommu: Add virtio-iommu driver
...mp;region->list, head);
+ iommu_dma_get_resv_regions(dev, head);
+}
+
+static void viommu_put_resv_regions(struct device *dev, struct list_head *head)
+{
+ struct iommu_resv_region *entry, *next;
+
+ list_for_each_entry_safe(entry, next, head, list)
+ kfree(entry);
+}
+
+static struct iommu_ops viommu_ops;
+static struct virtio_driver virtio_iommu_drv;
+
+static int viommu_match_node(struct device *dev, void *data)
+{
+ return dev->parent->fwnode == data;
+}
+
+static struct viommu_dev *viommu_get_by_fwnode(struct fwnode_handle *fwnode)
+{
+ struct device *dev = driver_find_device(&virtio_...
2018 Oct 12
0
[PATCH v3 5/7] iommu: Add virtio-iommu driver
...mp;region->list, head);
+ iommu_dma_get_resv_regions(dev, head);
+}
+
+static void viommu_put_resv_regions(struct device *dev, struct list_head *head)
+{
+ struct iommu_resv_region *entry, *next;
+
+ list_for_each_entry_safe(entry, next, head, list)
+ kfree(entry);
+}
+
+static struct iommu_ops viommu_ops;
+static struct virtio_driver virtio_iommu_drv;
+
+static int viommu_match_node(struct device *dev, void *data)
+{
+ return dev->parent->fwnode == data;
+}
+
+static struct viommu_dev *viommu_get_by_fwnode(struct fwnode_handle *fwnode)
+{
+ struct device *dev = driver_find_device(&virtio_...
2019 May 30
0
[PATCH v8 5/7] iommu: Add virtio-iommu driver
...mp;region->list, head);
+ iommu_dma_get_resv_regions(dev, head);
+}
+
+static void viommu_put_resv_regions(struct device *dev, struct list_head *head)
+{
+ struct iommu_resv_region *entry, *next;
+
+ list_for_each_entry_safe(entry, next, head, list)
+ kfree(entry);
+}
+
+static struct iommu_ops viommu_ops;
+static struct virtio_driver virtio_iommu_drv;
+
+static int viommu_match_node(struct device *dev, void *data)
+{
+ return dev->parent->fwnode == data;
+}
+
+static struct viommu_dev *viommu_get_by_fwnode(struct fwnode_handle *fwnode)
+{
+ struct device *dev = driver_find_device(&virtio_...
2018 Nov 08
0
[PATCH v3 5/7] iommu: Add virtio-iommu driver
...+static void viommu_put_resv_regions(struct device *dev, struct list_head *head)
>> +{
>> + struct iommu_resv_region *entry, *next;
>> +
>> + list_for_each_entry_safe(entry, next, head, list)
>> + kfree(entry);
>> +}
>> +
>> +static struct iommu_ops viommu_ops;
>> +static struct virtio_driver virtio_iommu_drv;
>> +
>> +static int viommu_match_node(struct device *dev, void *data)
>> +{
>> + return dev->parent->fwnode == data;
>> +}
>> +
>> +static struct viommu_dev *viommu_get_by_fwnode(struct fwnode_h...
2018 Nov 23
2
[PATCH v5 5/7] iommu: Add virtio-iommu driver
...(dev, head);
> +}
> +
> +static void viommu_put_resv_regions(struct device *dev, struct list_head *head)
> +{
> + struct iommu_resv_region *entry, *next;
> +
> + list_for_each_entry_safe(entry, next, head, list)
> + kfree(entry);
> +}
> +
> +static struct iommu_ops viommu_ops;
> +static struct virtio_driver virtio_iommu_drv;
> +
> +static int viommu_match_node(struct device *dev, void *data)
> +{
> + return dev->parent->fwnode == data;
> +}
> +
> +static struct viommu_dev *viommu_get_by_fwnode(struct fwnode_handle *fwnode)
> +{
> + st...
2018 Nov 23
2
[PATCH v5 5/7] iommu: Add virtio-iommu driver
...(dev, head);
> +}
> +
> +static void viommu_put_resv_regions(struct device *dev, struct list_head *head)
> +{
> + struct iommu_resv_region *entry, *next;
> +
> + list_for_each_entry_safe(entry, next, head, list)
> + kfree(entry);
> +}
> +
> +static struct iommu_ops viommu_ops;
> +static struct virtio_driver virtio_iommu_drv;
> +
> +static int viommu_match_node(struct device *dev, void *data)
> +{
> + return dev->parent->fwnode == data;
> +}
> +
> +static struct viommu_dev *viommu_get_by_fwnode(struct fwnode_handle *fwnode)
> +{
> + st...
2018 Nov 22
15
[PATCH v5 0/7] Add virtio-iommu driver
Implement the virtio-iommu driver, following specification v0.9 [1].
Since v4 [2] I fixed the issues reported by Eric, and added Reviewed-by
from Eric and Rob. Thanks!
I changed the specification to fix one inconsistency discussed in v4.
That the device fills the probe buffer with zeroes is now a "SHOULD"
instead of a "MAY", since it's the only way for the driver to know
2018 Nov 22
15
[PATCH v5 0/7] Add virtio-iommu driver
Implement the virtio-iommu driver, following specification v0.9 [1].
Since v4 [2] I fixed the issues reported by Eric, and added Reviewed-by
from Eric and Rob. Thanks!
I changed the specification to fix one inconsistency discussed in v4.
That the device fills the probe buffer with zeroes is now a "SHOULD"
instead of a "MAY", since it's the only way for the driver to know
2018 Feb 14
0
[PATCH 1/4] iommu: Add virtio-iommu driver
...st(&vdomain->mappings, iova, iova);
+ if (node) {
+ mapping = container_of(node, struct viommu_mapping, iova);
+ paddr = mapping->paddr + (iova - mapping->iova.start);
+ }
+ spin_unlock_irqrestore(&vdomain->mappings_lock, flags);
+
+ return paddr;
+}
+
+static struct iommu_ops viommu_ops;
+static struct virtio_driver virtio_iommu_drv;
+
+static int viommu_match_node(struct device *dev, void *data)
+{
+ return dev->parent->fwnode == data;
+}
+
+static struct viommu_dev *viommu_get_by_fwnode(struct fwnode_handle *fwnode)
+{
+ struct device *dev = driver_find_device(&virtio_...
2018 Nov 23
2
[PATCH v5 5/7] iommu: Add virtio-iommu driver
...(dev, head);
> +}
> +
> +static void viommu_put_resv_regions(struct device *dev, struct list_head *head)
> +{
> + struct iommu_resv_region *entry, *next;
> +
> + list_for_each_entry_safe(entry, next, head, list)
> + kfree(entry);
> +}
> +
> +static struct iommu_ops viommu_ops;
> +static struct virtio_driver virtio_iommu_drv;
> +
> +static int viommu_match_node(struct device *dev, void *data)
> +{
> + return dev->parent->fwnode == data;
> +}
> +
> +static struct viommu_dev *viommu_get_by_fwnode(struct fwnode_handle *fwnode)
> +{
> + st...
2018 Nov 23
2
[PATCH v5 5/7] iommu: Add virtio-iommu driver
...(dev, head);
> +}
> +
> +static void viommu_put_resv_regions(struct device *dev, struct list_head *head)
> +{
> + struct iommu_resv_region *entry, *next;
> +
> + list_for_each_entry_safe(entry, next, head, list)
> + kfree(entry);
> +}
> +
> +static struct iommu_ops viommu_ops;
> +static struct virtio_driver virtio_iommu_drv;
> +
> +static int viommu_match_node(struct device *dev, void *data)
> +{
> + return dev->parent->fwnode == data;
> +}
> +
> +static struct viommu_dev *viommu_get_by_fwnode(struct fwnode_handle *fwnode)
> +{
> + st...
2020 Mar 01
0
[PATCH v2 1/3] iommu/virtio: Add topology description to virtio-iommu config space
...= end) {
> + *epid = devid - start + endpoint_start;
> + return true;
> + }
> + return false;
> +}
> +
> +static const struct iommu_ops *virt_iommu_setup(struct device *dev)
> +{
> + struct iommu_fwspec *fwspec = dev_iommu_fwspec_get(dev);
> + const struct iommu_ops *viommu_ops = NULL;
> + struct fwnode_handle *viommu_fwnode;
> + struct viommu_spec *viommu_spec;
> + struct pci_dev *pci_dev = NULL;
> + struct device *viommu_dev;
> + bool found = false;
> + size_t i;
> + u32 epid;
> + int ret;
> +
> + /* Already translated? */
> + if (fwspec...
2018 Jun 22
1
[PATCH v2 2/5] iommu: Add virtio-iommu driver
...(dev, head);
> +}
> +
> +static void viommu_put_resv_regions(struct device *dev, struct list_head *head)
> +{
> + struct iommu_resv_region *entry, *next;
> +
> + list_for_each_entry_safe(entry, next, head, list)
> + kfree(entry);
> +}
> +
> +static struct iommu_ops viommu_ops;
> +static struct virtio_driver virtio_iommu_drv;
> +
> +static int viommu_match_node(struct device *dev, void *data)
> +{
> + return dev->parent->fwnode == data;
> +}
> +
> +static struct viommu_dev *viommu_get_by_fwnode(struct fwnode_handle *fwnode)
> +{
> + st...
2017 Nov 17
0
[RFC PATCH v2 1/5] iommu: Add virtio-iommu driver
...st(&vdomain->mappings, iova, iova);
+ if (node) {
+ mapping = container_of(node, struct viommu_mapping, iova);
+ paddr = mapping->paddr + (iova - mapping->iova.start);
+ }
+ spin_unlock_irqrestore(&vdomain->mappings_lock, flags);
+
+ return paddr;
+}
+
+static struct iommu_ops viommu_ops;
+static struct virtio_driver virtio_iommu_drv;
+
+static int viommu_match_node(struct device *dev, void *data)
+{
+ return dev->parent->fwnode == data;
+}
+
+static struct viommu_dev *viommu_get_by_fwnode(struct fwnode_handle *fwnode)
+{
+ struct device *dev = driver_find_device(&virtio_...
2020 Apr 14
0
[PATCH v2 20/33] iommu/virtio: Convert to probe/release_device() call-backs
...truct device *dev)
+static struct iommu_device *viommu_probe_device(struct device *dev)
{
int ret;
- struct iommu_group *group;
struct viommu_endpoint *vdev;
struct viommu_dev *viommu = NULL;
struct iommu_fwspec *fwspec = dev_iommu_fwspec_get(dev);
if (!fwspec || fwspec->ops != &viommu_ops)
- return -ENODEV;
+ return ERR_PTR(-ENODEV);
viommu = viommu_get_by_fwnode(fwspec->iommu_fwnode);
if (!viommu)
- return -ENODEV;
+ return ERR_PTR(-ENODEV);
vdev = kzalloc(sizeof(*vdev), GFP_KERNEL);
if (!vdev)
- return -ENOMEM;
+ return ERR_PTR(-ENOMEM);
vdev->dev = dev...
2017 Apr 07
0
[RFC PATCH linux] iommu: Add virtio-iommu driver
...ommu_mapping, iova);
+ paddr = mapping->paddr + (iova - mapping->iova.start);
+ }
+ spin_unlock_irqrestore(&vdomain->mappings_lock, flags);
+
+ pr_debug("iova_to_phys %llu 0x%llx->0x%llx\n", vdomain->id, iova,
+ paddr);
+
+ return paddr;
+}
+
+static struct iommu_ops viommu_ops;
+static struct virtio_driver virtio_iommu_drv;
+
+static int viommu_match_node(struct device *dev, void *data)
+{
+ return dev->parent->fwnode == data;
+}
+
+static struct viommu_dev *viommu_get_by_fwnode(struct fwnode_handle *fwnode)
+{
+ struct device *dev = driver_find_device(&virtio_...