search for: virtio_iommu_f_input_range

Displaying 20 results from an estimated 76 matches for "virtio_iommu_f_input_range".

[PATCH v3 36/38] virtio-iommu: convert to LE accessors
2020 Aug 05
0
[PATCH v3 36/38] virtio-iommu: convert to LE accessors
...struct virtio_iommu_config, page_size_mask, + &viommu->pgsize_bitmap); if (!viommu->pgsize_bitmap) { ret = -EINVAL; @@ -1022,25 +1022,25 @@ static int viommu_probe(struct virtio_device *vdev) viommu->last_domain = ~0U; /* Optional features */ - virtio_cread_feature(vdev, VIRTIO_IOMMU_F_INPUT_RANGE, - struct virtio_iommu_config, input_range.start, - &input_start); + virtio_cread_le_feature(vdev, VIRTIO_IOMMU_F_INPUT_RANGE, + struct virtio_iommu_config, input_range.start, + &input_start); - virtio_cread_feature(vdev, VIRTIO_IOMMU_F_INPUT_RANGE, - struct vir...
[PATCH] iommu/virtio: Update to most recent specification
2019 Jul 22
3
[PATCH] iommu/virtio: Update to most recent specification
...@@ -1027,7 +1036,8 @@ static int viommu_probe(struct virtio_device *vdev) goto err_free_vqs; } - viommu->domain_bits = 32; + viommu->map_flags = VIRTIO_IOMMU_MAP_F_READ | VIRTIO_IOMMU_MAP_F_WRITE; + viommu->last_domain = ~0U; /* Optional features */ virtio_cread_feature(vdev, VIRTIO_IOMMU_F_INPUT_RANGE, @@ -1038,9 +1048,13 @@ static int viommu_probe(struct virtio_device *vdev) struct virtio_iommu_config, input_range.end, &input_end); - virtio_cread_feature(vdev, VIRTIO_IOMMU_F_DOMAIN_BITS, - struct virtio_iommu_config, domain_bits, - &viommu->domain_bi...
[PATCH] iommu/virtio: Update to most recent specification
2019 Jul 22
3
[PATCH] iommu/virtio: Update to most recent specification
...@@ -1027,7 +1036,8 @@ static int viommu_probe(struct virtio_device *vdev) goto err_free_vqs; } - viommu->domain_bits = 32; + viommu->map_flags = VIRTIO_IOMMU_MAP_F_READ | VIRTIO_IOMMU_MAP_F_WRITE; + viommu->last_domain = ~0U; /* Optional features */ virtio_cread_feature(vdev, VIRTIO_IOMMU_F_INPUT_RANGE, @@ -1038,9 +1048,13 @@ static int viommu_probe(struct virtio_device *vdev) struct virtio_iommu_config, input_range.end, &input_end); - virtio_cread_feature(vdev, VIRTIO_IOMMU_F_DOMAIN_BITS, - struct virtio_iommu_config, domain_bits, - &viommu->domain_bi...
[PATCH v7 0/7] Add virtio-iommu driver
2019 Feb 21
1
[PATCH v7 0/7] Add virtio-iommu driver
...wording changes. I'll kick off step > (3), but I think the virtio folks are a bit busy with finalizing the 1.1 > spec so I expect it to take a while. I read v0.9 of the spec and have some minor comments, hope this is a good place to send them: 1. In section 2.6.2, one reads If the VIRTIO_IOMMU_F_INPUT_RANGE feature is offered and the range described by fields virt_start and virt_end doesn?t fit in the range described by input_range, the device MAY set status to VIRTIO_- IOMMU_S_RANGE and ignore the request. Shouldn't int say "If the VIRTIO_IOMMU_F_INPUT_RANGE feature is negotiate...
[PATCH v7 0/7] Add virtio-iommu driver
2019 Feb 21
1
[PATCH v7 0/7] Add virtio-iommu driver
...wording changes. I'll kick off step > (3), but I think the virtio folks are a bit busy with finalizing the 1.1 > spec so I expect it to take a while. I read v0.9 of the spec and have some minor comments, hope this is a good place to send them: 1. In section 2.6.2, one reads If the VIRTIO_IOMMU_F_INPUT_RANGE feature is offered and the range described by fields virt_start and virt_end doesn?t fit in the range described by input_range, the device MAY set status to VIRTIO_- IOMMU_S_RANGE and ignore the request. Shouldn't int say "If the VIRTIO_IOMMU_F_INPUT_RANGE feature is negotiate...
[PATCH] iommu/virtio: Update to most recent specification
2019 Jul 22
0
[PATCH] iommu/virtio: Update to most recent specification
...e(struct virtio_device *vdev) > goto err_free_vqs; > } > > - viommu->domain_bits = 32; > + viommu->map_flags = VIRTIO_IOMMU_MAP_F_READ | VIRTIO_IOMMU_MAP_F_WRITE; > + viommu->last_domain = ~0U; > > /* Optional features */ > virtio_cread_feature(vdev, VIRTIO_IOMMU_F_INPUT_RANGE, > @@ -1038,9 +1048,13 @@ static int viommu_probe(struct virtio_device *vdev) > struct virtio_iommu_config, input_range.end, > &input_end); > > - virtio_cread_feature(vdev, VIRTIO_IOMMU_F_DOMAIN_BITS, > - struct virtio_iommu_config, domain_bits, >...
[PATCH] iommu/virtio: Update to most recent specification
2019 Jul 22
0
[PATCH] iommu/virtio: Update to most recent specification
...e(struct virtio_device *vdev) > goto err_free_vqs; > } > > - viommu->domain_bits = 32; > + viommu->map_flags = VIRTIO_IOMMU_MAP_F_READ | VIRTIO_IOMMU_MAP_F_WRITE; > + viommu->last_domain = ~0U; > > /* Optional features */ > virtio_cread_feature(vdev, VIRTIO_IOMMU_F_INPUT_RANGE, > @@ -1038,9 +1048,13 @@ static int viommu_probe(struct virtio_device *vdev) > struct virtio_iommu_config, input_range.end, > &input_end); > > - virtio_cread_feature(vdev, VIRTIO_IOMMU_F_DOMAIN_BITS, > - struct virtio_iommu_config, domain_bits, >...
[RFC 2/3] virtio-iommu: device probing and operations
2017 Apr 18
2
[RFC 2/3] virtio-iommu: device probing and operations
> From: Jean-Philippe Brucker > Sent: Saturday, April 8, 2017 3:18 AM > [...] > II. Feature bits > ================ > > VIRTIO_IOMMU_F_INPUT_RANGE (0) > Available range of virtual addresses is described in input_range Usually only the maximum supported address bits are important. Curious do you see such situation where low end of the address space is not usable (since you have both start/end defined later)? [...] > 1. Attach devi...
[RFC 2/3] virtio-iommu: device probing and operations
2017 Apr 18
2
[RFC 2/3] virtio-iommu: device probing and operations
> From: Jean-Philippe Brucker > Sent: Saturday, April 8, 2017 3:18 AM > [...] > II. Feature bits > ================ > > VIRTIO_IOMMU_F_INPUT_RANGE (0) > Available range of virtual addresses is described in input_range Usually only the maximum supported address bits are important. Curious do you see such situation where low end of the address space is not usable (since you have both start/end defined later)? [...] > 1. Attach devi...
[PATCH v7 0/7] Add virtio-iommu driver
2019 Feb 22
0
[PATCH v7 0/7] Add virtio-iommu driver
...ix them in my next posting. Note that I recently sent v0.10 to virtio-comment, to request inclusion into the standard [1] but your comments still apply to v0.10. [1] https://lists.oasis-open.org/archives/virtio-comment/201901/msg00016.html > 1. In section 2.6.2, one reads > > If the VIRTIO_IOMMU_F_INPUT_RANGE feature is offered and the range > described by fields virt_start and virt_end doesn?t fit in the range > described by input_range, the device MAY set status to VIRTIO_- > IOMMU_S_RANGE and ignore the request. > > Shouldn't int say "If the VIRTIO_IOMMU_F_INPUT_R...
[RFC 2/3] virtio-iommu: device probing and operations
2017 Apr 21
1
[RFC 2/3] virtio-iommu: device probing and operations
...ednesday, April 19, 2017 2:46 AM > > On 18/04/17 11:26, Tian, Kevin wrote: > >> From: Jean-Philippe Brucker > >> Sent: Saturday, April 8, 2017 3:18 AM > >> > > [...] > >> II. Feature bits > >> ================ > >> > >> VIRTIO_IOMMU_F_INPUT_RANGE (0) > >> Available range of virtual addresses is described in input_range > > > > Usually only the maximum supported address bits are important. > > Curious do you see such situation where low end of the address > > space is not usable (since you have both start/en...
[RFC 2/3] virtio-iommu: device probing and operations
2017 Apr 21
1
[RFC 2/3] virtio-iommu: device probing and operations
...ednesday, April 19, 2017 2:46 AM > > On 18/04/17 11:26, Tian, Kevin wrote: > >> From: Jean-Philippe Brucker > >> Sent: Saturday, April 8, 2017 3:18 AM > >> > > [...] > >> II. Feature bits > >> ================ > >> > >> VIRTIO_IOMMU_F_INPUT_RANGE (0) > >> Available range of virtual addresses is described in input_range > > > > Usually only the maximum supported address bits are important. > > Curious do you see such situation where low end of the address > > space is not usable (since you have both start/en...
[PATCH v3 5/7] iommu: Add virtio-iommu driver
2018 Oct 12
3
[PATCH v3 5/7] iommu: Add virtio-iommu driver
...tio_iommu_config, page_size_mask, > + &viommu->pgsize_bitmap); > + > + if (!viommu->pgsize_bitmap) { > + ret = -EINVAL; > + goto err_free_vqs; > + } > + > + viommu->domain_bits = 32; > + > + /* Optional features */ > + virtio_cread_feature(vdev, VIRTIO_IOMMU_F_INPUT_RANGE, > + struct virtio_iommu_config, input_range.start, > + &input_start); > + > + virtio_cread_feature(vdev, VIRTIO_IOMMU_F_INPUT_RANGE, > + struct virtio_iommu_config, input_range.end, > + &input_end); > + > + virtio_cread_feature(vdev, VIRT...
[PATCH v3 5/7] iommu: Add virtio-iommu driver
2018 Oct 12
3
[PATCH v3 5/7] iommu: Add virtio-iommu driver
...tio_iommu_config, page_size_mask, > + &viommu->pgsize_bitmap); > + > + if (!viommu->pgsize_bitmap) { > + ret = -EINVAL; > + goto err_free_vqs; > + } > + > + viommu->domain_bits = 32; > + > + /* Optional features */ > + virtio_cread_feature(vdev, VIRTIO_IOMMU_F_INPUT_RANGE, > + struct virtio_iommu_config, input_range.start, > + &input_start); > + > + virtio_cread_feature(vdev, VIRTIO_IOMMU_F_INPUT_RANGE, > + struct virtio_iommu_config, input_range.end, > + &input_end); > + > + virtio_cread_feature(vdev, VIRT...
[PATCH v5 5/7] iommu: Add virtio-iommu driver
2018 Nov 22
0
[PATCH v5 5/7] iommu: Add virtio-iommu driver
...(ret) + return ret; + + virtio_cread(vdev, struct virtio_iommu_config, page_size_mask, + &viommu->pgsize_bitmap); + + if (!viommu->pgsize_bitmap) { + ret = -EINVAL; + goto err_free_vqs; + } + + viommu->domain_bits = 32; + + /* Optional features */ + virtio_cread_feature(vdev, VIRTIO_IOMMU_F_INPUT_RANGE, + struct virtio_iommu_config, input_range.start, + &input_start); + + virtio_cread_feature(vdev, VIRTIO_IOMMU_F_INPUT_RANGE, + struct virtio_iommu_config, input_range.end, + &input_end); + + virtio_cread_feature(vdev, VIRTIO_IOMMU_F_DOMAIN_BITS, + struct...
[PATCH v4 5/7] iommu: Add virtio-iommu driver
2018 Nov 15
0
[PATCH v4 5/7] iommu: Add virtio-iommu driver
...(ret) + return ret; + + virtio_cread(vdev, struct virtio_iommu_config, page_size_mask, + &viommu->pgsize_bitmap); + + if (!viommu->pgsize_bitmap) { + ret = -EINVAL; + goto err_free_vqs; + } + + viommu->domain_bits = 32; + + /* Optional features */ + virtio_cread_feature(vdev, VIRTIO_IOMMU_F_INPUT_RANGE, + struct virtio_iommu_config, input_range.start, + &input_start); + + virtio_cread_feature(vdev, VIRTIO_IOMMU_F_INPUT_RANGE, + struct virtio_iommu_config, input_range.end, + &input_end); + + virtio_cread_feature(vdev, VIRTIO_IOMMU_F_DOMAIN_BITS, + struct...
[PATCH v2 2/5] iommu: Add virtio-iommu driver
2018 Jun 21
0
[PATCH v2 2/5] iommu: Add virtio-iommu driver
...(ret) + return ret; + + virtio_cread(vdev, struct virtio_iommu_config, page_size_mask, + &viommu->pgsize_bitmap); + + if (!viommu->pgsize_bitmap) { + ret = -EINVAL; + goto err_free_vqs; + } + + viommu->domain_bits = 32; + + /* Optional features */ + virtio_cread_feature(vdev, VIRTIO_IOMMU_F_INPUT_RANGE, + struct virtio_iommu_config, input_range.start, + &input_start); + + virtio_cread_feature(vdev, VIRTIO_IOMMU_F_INPUT_RANGE, + struct virtio_iommu_config, input_range.end, + &input_end); + + virtio_cread_feature(vdev, VIRTIO_IOMMU_F_DOMAIN_BITS, + struct...
[PATCH v3 5/7] iommu: Add virtio-iommu driver
2018 Oct 12
0
[PATCH v3 5/7] iommu: Add virtio-iommu driver
...(ret) + return ret; + + virtio_cread(vdev, struct virtio_iommu_config, page_size_mask, + &viommu->pgsize_bitmap); + + if (!viommu->pgsize_bitmap) { + ret = -EINVAL; + goto err_free_vqs; + } + + viommu->domain_bits = 32; + + /* Optional features */ + virtio_cread_feature(vdev, VIRTIO_IOMMU_F_INPUT_RANGE, + struct virtio_iommu_config, input_range.start, + &input_start); + + virtio_cread_feature(vdev, VIRTIO_IOMMU_F_INPUT_RANGE, + struct virtio_iommu_config, input_range.end, + &input_end); + + virtio_cread_feature(vdev, VIRTIO_IOMMU_F_DOMAIN_BITS, + struct...
[PATCH 1/4] iommu: Add virtio-iommu driver
2018 Feb 14
0
[PATCH 1/4] iommu: Add virtio-iommu driver
...(ret) + return ret; + + virtio_cread(vdev, struct virtio_iommu_config, page_size_mask, + &viommu->pgsize_bitmap); + + if (!viommu->pgsize_bitmap) { + ret = -EINVAL; + goto err_free_vqs; + } + + viommu->domain_bits = 32; + + /* Optional features */ + virtio_cread_feature(vdev, VIRTIO_IOMMU_F_INPUT_RANGE, + struct virtio_iommu_config, input_range.start, + &input_start); + + virtio_cread_feature(vdev, VIRTIO_IOMMU_F_INPUT_RANGE, + struct virtio_iommu_config, input_range.end, + &input_end); + + virtio_cread_feature(vdev, VIRTIO_IOMMU_F_DOMAIN_BITS, + struct...
[PATCH v8 5/7] iommu: Add virtio-iommu driver
2019 May 30
0
[PATCH v8 5/7] iommu: Add virtio-iommu driver
...size_mask, + &viommu->pgsize_bitmap); + + if (!viommu->pgsize_bitmap) { + ret = -EINVAL; + goto err_free_vqs; + } + + viommu->map_flags = VIRTIO_IOMMU_MAP_F_READ | VIRTIO_IOMMU_MAP_F_WRITE; + viommu->last_domain = ~0U; + + /* Optional features */ + virtio_cread_feature(vdev, VIRTIO_IOMMU_F_INPUT_RANGE, + struct virtio_iommu_config, input_range.start, + &input_start); + + virtio_cread_feature(vdev, VIRTIO_IOMMU_F_INPUT_RANGE, + struct virtio_iommu_config, input_range.end, + &input_end); + + virtio_cread_feature(vdev, VIRTIO_IOMMU_F_DOMAIN_RANGE, + struct...