search for: map_flags

Displaying 20 results from an estimated 21 matches for "map_flags".

Did you mean: imap_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_c...
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_c...
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->geometr...
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->geometr...
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->geometr...
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->geometr...
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->geometr...
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->geometr...
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 recently...
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; + + spin...
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 with...
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....