Displaying 20 results from an estimated 21 matches for "map_flag".
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map_flags
2019 Jul 22
3
[PATCH] iommu/virtio: Update to most recent specification
...d
*/
#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
@@ -47,7 +47,10 @@ struct viommu_dev {
/* Device configuration */
struct iommu_domain_geometry geometry;
u64 pgsize_bitmap;
- u8 domain_bits;
+ u32 first_domain;
+ u32 last_domain;
+ /* Supported MAP flags */
+ u32 map_flags;
u32 probe_size;
};
@@ -62,6 +65,7 @@ struct viommu_domain {
struct viommu_dev *viommu;
struct mutex mutex; /* protects viommu pointer */
unsigned int id;
+ u32 map_flags;
spinlock_t mappings_lock;
struct rb_root_cached mappings;
@@ -113,6 +117,8 @@ static int viommu...
2019 Jul 22
3
[PATCH] iommu/virtio: Update to most recent specification
...d
*/
#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
@@ -47,7 +47,10 @@ struct viommu_dev {
/* Device configuration */
struct iommu_domain_geometry geometry;
u64 pgsize_bitmap;
- u8 domain_bits;
+ u32 first_domain;
+ u32 last_domain;
+ /* Supported MAP flags */
+ u32 map_flags;
u32 probe_size;
};
@@ -62,6 +65,7 @@ struct viommu_domain {
struct viommu_dev *viommu;
struct mutex mutex; /* protects viommu pointer */
unsigned int id;
+ u32 map_flags;
spinlock_t mappings_lock;
struct rb_root_cached mappings;
@@ -113,6 +117,8 @@ static int viommu...
2019 Jul 22
0
[PATCH] iommu/virtio: Update to most recent specification
...": " fmt
> @@ -47,7 +47,10 @@ struct viommu_dev {
> /* Device configuration */
> struct iommu_domain_geometry geometry;
> u64 pgsize_bitmap;
> - u8 domain_bits;
> + u32 first_domain;
> + u32 last_domain;
> + /* Supported MAP flags */
> + u32 map_flags;
> u32 probe_size;
> };
>
> @@ -62,6 +65,7 @@ struct viommu_domain {
> struct viommu_dev *viommu;
> struct mutex mutex; /* protects viommu pointer */
> unsigned int id;
> + u32 map_flags;
>
> spinlock_t mappings_lock;
> struct rb_root_...
2019 Jul 22
0
[PATCH] iommu/virtio: Update to most recent specification
...": " fmt
> @@ -47,7 +47,10 @@ struct viommu_dev {
> /* Device configuration */
> struct iommu_domain_geometry geometry;
> u64 pgsize_bitmap;
> - u8 domain_bits;
> + u32 first_domain;
> + u32 last_domain;
> + /* Supported MAP flags */
> + u32 map_flags;
> u32 probe_size;
> };
>
> @@ -62,6 +65,7 @@ struct viommu_domain {
> struct viommu_dev *viommu;
> struct mutex mutex; /* protects viommu pointer */
> unsigned int id;
> + u32 map_flags;
>
> spinlock_t mappings_lock;
> struct rb_root_...
2020 Apr 15
0
[PATCH AUTOSEL 5.6 107/129] iommu/virtio: Fix freeing of incomplete domains
...1fbad..5eed75cd121f1 100644
--- a/drivers/iommu/virtio-iommu.c
+++ b/drivers/iommu/virtio-iommu.c
@@ -613,18 +613,20 @@ static int viommu_domain_finalise(struct viommu_dev *viommu,
int ret;
struct viommu_domain *vdomain = to_viommu_domain(domain);
- vdomain->viommu = viommu;
- vdomain->map_flags = viommu->map_flags;
+ ret = ida_alloc_range(&viommu->domain_ids, viommu->first_domain,
+ viommu->last_domain, GFP_KERNEL);
+ if (ret < 0)
+ return ret;
+
+ vdomain->id = (unsigned int)ret;
domain->pgsize_bitmap = viommu->pgsize_bitmap;
domain->geomet...
2020 Apr 15
0
[PATCH AUTOSEL 5.5 088/106] iommu/virtio: Fix freeing of incomplete domains
...f99d8..779a6025b5962 100644
--- a/drivers/iommu/virtio-iommu.c
+++ b/drivers/iommu/virtio-iommu.c
@@ -613,18 +613,20 @@ static int viommu_domain_finalise(struct viommu_dev *viommu,
int ret;
struct viommu_domain *vdomain = to_viommu_domain(domain);
- vdomain->viommu = viommu;
- vdomain->map_flags = viommu->map_flags;
+ ret = ida_alloc_range(&viommu->domain_ids, viommu->first_domain,
+ viommu->last_domain, GFP_KERNEL);
+ if (ret < 0)
+ return ret;
+
+ vdomain->id = (unsigned int)ret;
domain->pgsize_bitmap = viommu->pgsize_bitmap;
domain->geomet...
2020 Apr 15
0
[PATCH AUTOSEL 5.4 69/84] iommu/virtio: Fix freeing of incomplete domains
...29995..6c340a4f4fd28 100644
--- a/drivers/iommu/virtio-iommu.c
+++ b/drivers/iommu/virtio-iommu.c
@@ -614,18 +614,20 @@ static int viommu_domain_finalise(struct viommu_dev *viommu,
int ret;
struct viommu_domain *vdomain = to_viommu_domain(domain);
- vdomain->viommu = viommu;
- vdomain->map_flags = viommu->map_flags;
+ ret = ida_alloc_range(&viommu->domain_ids, viommu->first_domain,
+ viommu->last_domain, GFP_KERNEL);
+ if (ret < 0)
+ return ret;
+
+ vdomain->id = (unsigned int)ret;
domain->pgsize_bitmap = viommu->pgsize_bitmap;
domain->geomet...
2020 Apr 18
0
[PATCH AUTOSEL 5.6 48/73] iommu/virtio: Fix freeing of incomplete domains
...1fbad..5eed75cd121f1 100644
--- a/drivers/iommu/virtio-iommu.c
+++ b/drivers/iommu/virtio-iommu.c
@@ -613,18 +613,20 @@ static int viommu_domain_finalise(struct viommu_dev *viommu,
int ret;
struct viommu_domain *vdomain = to_viommu_domain(domain);
- vdomain->viommu = viommu;
- vdomain->map_flags = viommu->map_flags;
+ ret = ida_alloc_range(&viommu->domain_ids, viommu->first_domain,
+ viommu->last_domain, GFP_KERNEL);
+ if (ret < 0)
+ return ret;
+
+ vdomain->id = (unsigned int)ret;
domain->pgsize_bitmap = viommu->pgsize_bitmap;
domain->geomet...
2020 Apr 18
0
[PATCH AUTOSEL 5.5 45/75] iommu/virtio: Fix freeing of incomplete domains
...f99d8..779a6025b5962 100644
--- a/drivers/iommu/virtio-iommu.c
+++ b/drivers/iommu/virtio-iommu.c
@@ -613,18 +613,20 @@ static int viommu_domain_finalise(struct viommu_dev *viommu,
int ret;
struct viommu_domain *vdomain = to_viommu_domain(domain);
- vdomain->viommu = viommu;
- vdomain->map_flags = viommu->map_flags;
+ ret = ida_alloc_range(&viommu->domain_ids, viommu->first_domain,
+ viommu->last_domain, GFP_KERNEL);
+ if (ret < 0)
+ return ret;
+
+ vdomain->id = (unsigned int)ret;
domain->pgsize_bitmap = viommu->pgsize_bitmap;
domain->geomet...
2020 Apr 18
0
[PATCH AUTOSEL 5.4 42/78] iommu/virtio: Fix freeing of incomplete domains
...29995..6c340a4f4fd28 100644
--- a/drivers/iommu/virtio-iommu.c
+++ b/drivers/iommu/virtio-iommu.c
@@ -614,18 +614,20 @@ static int viommu_domain_finalise(struct viommu_dev *viommu,
int ret;
struct viommu_domain *vdomain = to_viommu_domain(domain);
- vdomain->viommu = viommu;
- vdomain->map_flags = viommu->map_flags;
+ ret = ida_alloc_range(&viommu->domain_ids, viommu->first_domain,
+ viommu->last_domain, GFP_KERNEL);
+ if (ret < 0)
+ return ret;
+
+ vdomain->id = (unsigned int)ret;
domain->pgsize_bitmap = viommu->pgsize_bitmap;
domain->geomet...
2020 Apr 01
2
[RFC PATCH v2] iommu/virtio: Use page size bitmap supported by endpoint
...u_domain_finalise(struct viommu_endpoint *vdev,
> struct iommu_domain *domain)
> {
> int ret;
> struct viommu_domain *vdomain = to_viommu_domain(domain);
> + struct viommu_dev *viommu = vdev->viommu;
>
> vdomain->viommu = viommu;
> vdomain->map_flags = viommu->map_flags;
>
> - domain->pgsize_bitmap = viommu->pgsize_bitmap;
> + /* Devices in same domain must support same size pages */
AFAICS what the code appears to do is enforce that the first endpoint
attached to any domain has the same pgsize_bitmap as the most recentl...
2019 May 30
0
[PATCH v8 5/7] iommu: Add virtio-iommu driver
...t ida domain_ids;
+
+ struct virtqueue *vqs[VIOMMU_NR_VQS];
+ spinlock_t request_lock;
+ struct list_head requests;
+
+ /* Device configuration */
+ struct iommu_domain_geometry geometry;
+ u64 pgsize_bitmap;
+ u32 first_domain;
+ u32 last_domain;
+ /* Supported MAP flags */
+ u32 map_flags;
+};
+
+struct viommu_mapping {
+ phys_addr_t paddr;
+ struct interval_tree_node iova;
+ u32 flags;
+};
+
+struct viommu_domain {
+ struct iommu_domain domain;
+ struct viommu_dev *viommu;
+ struct mutex mutex; /* protects viommu pointer */
+ unsigned int id;
+ u32 map_flags;
+
+ spi...
2020 May 06
1
[PATCH v5] iommu/virtio: Use page size bitmap supported by endpoint
...u_domain_finalise(struct viommu_endpoint *vdev,
>
> vdomain->id = (unsigned int)ret;
>
> - domain->pgsize_bitmap = viommu->pgsize_bitmap;
> + domain->pgsize_bitmap = vdev->pgsize_bitmap;
> domain->geometry = viommu->geometry;
>
> vdomain->map_flags = viommu->map_flags;
> @@ -654,6 +671,29 @@ static void viommu_domain_free(struct iommu_domain *domain)
> kfree(vdomain);
> }
>
> +/*
> + * Check whether the endpoint's capabilities are compatible with other
> + * endpoints in the domain. Report any inconsistency....
2020 May 07
2
[EXT] Re: [PATCH v5] iommu/virtio: Use page size bitmap supported by endpoint
...gt; vdomain->id = (unsigned int)ret;
> > >
> > > - domain->pgsize_bitmap = viommu->pgsize_bitmap;
> > > + domain->pgsize_bitmap = vdev->pgsize_bitmap;
> > > domain->geometry = viommu->geometry;
> > >
> > > vdomain->map_flags = viommu->map_flags;
> > > @@ -654,6 +671,29 @@ static void viommu_domain_free(struct iommu_domain
> > *domain)
> > > kfree(vdomain);
> > > }
> > >
> > > +/*
> > > + * Check whether the endpoint's capabilities are compatible wit...
2020 May 12
1
[PATCH v5] iommu/virtio: Use page size bitmap supported by endpoint
...u_domain_finalise(struct viommu_endpoint *vdev,
>
> vdomain->id = (unsigned int)ret;
>
> - domain->pgsize_bitmap = viommu->pgsize_bitmap;
> + domain->pgsize_bitmap = vdev->pgsize_bitmap;
> domain->geometry = viommu->geometry;
>
> vdomain->map_flags = viommu->map_flags;
> @@ -654,6 +671,29 @@ static void viommu_domain_free(struct iommu_domain *domain)
> kfree(vdomain);
> }
>
> +/*
> + * Check whether the endpoint's capabilities are compatible with other
> + * endpoints in the domain. Report any inconsistency....
2019 May 30
10
[PATCH v8 0/7] Add virtio-iommu driver
Implement the virtio-iommu driver, following specification v0.12 [1].
Since last version [2] we've worked on improving the specification,
which resulted in the following changes to the interface:
* Remove the EXEC flag.
* Add feature bit for the MMIO flag.
* Change domain_bits to domain_range.
Given that there were small changes to patch 5/7, I removed the review
and test tags. Please find
2020 May 07
0
[EXT] Re: [PATCH v5] iommu/virtio: Use page size bitmap supported by endpoint
...t;
>>> vdomain->id = (unsigned int)ret;
>>>
>>> - domain->pgsize_bitmap = viommu->pgsize_bitmap;
>>> + domain->pgsize_bitmap = vdev->pgsize_bitmap;
>>> domain->geometry = viommu->geometry;
>>>
>>> vdomain->map_flags = viommu->map_flags;
>>> @@ -654,6 +671,29 @@ static void viommu_domain_free(struct iommu_domain
>> *domain)
>>> kfree(vdomain);
>>> }
>>>
>>> +/*
>>> + * Check whether the endpoint's capabilities are compatible with
>>>...
2020 May 07
0
[EXT] Re: [PATCH v5] iommu/virtio: Use page size bitmap supported by endpoint
...n->id = (unsigned int)ret;
>>>>
>>>> - domain->pgsize_bitmap = viommu->pgsize_bitmap;
>>>> + domain->pgsize_bitmap = vdev->pgsize_bitmap;
>>>> domain->geometry = viommu->geometry;
>>>>
>>>> vdomain->map_flags = viommu->map_flags;
>>>> @@ -654,6 +671,29 @@ static void viommu_domain_free(struct iommu_domain
>>> *domain)
>>>> kfree(vdomain);
>>>> }
>>>>
>>>> +/*
>>>> + * Check whether the endpoint's capabilities are...
2020 May 14
2
[PATCH v6] iommu/virtio: Use page size bitmap supported by endpoint
...u_domain_finalise(struct viommu_endpoint *vdev,
>
> vdomain->id = (unsigned int)ret;
>
> - domain->pgsize_bitmap = viommu->pgsize_bitmap;
> + domain->pgsize_bitmap = vdev->pgsize_bitmap;
> domain->geometry = viommu->geometry;
>
> vdomain->map_flags = viommu->map_flags;
> @@ -654,6 +675,38 @@ static void viommu_domain_free(struct iommu_domain *domain)
> kfree(vdomain);
> }
>
> +/*
> + * Check whether the endpoint's capabilities are compatible with other
> + * endpoints in the domain. Report any inconsistency....
2020 May 14
2
[PATCH v6] iommu/virtio: Use page size bitmap supported by endpoint
...u_domain_finalise(struct viommu_endpoint *vdev,
>
> vdomain->id = (unsigned int)ret;
>
> - domain->pgsize_bitmap = viommu->pgsize_bitmap;
> + domain->pgsize_bitmap = vdev->pgsize_bitmap;
> domain->geometry = viommu->geometry;
>
> vdomain->map_flags = viommu->map_flags;
> @@ -654,6 +675,38 @@ static void viommu_domain_free(struct iommu_domain *domain)
> kfree(vdomain);
> }
>
> +/*
> + * Check whether the endpoint's capabilities are compatible with other
> + * endpoints in the domain. Report any inconsistency....