search for: virtio_iommu_probe_property

Displaying 20 results from an estimated 40 matches for "virtio_iommu_probe_property".

[RFC PATCH v2] iommu/virtio: Use page size bitmap supported by endpoint
2020 Apr 01
2
[RFC PATCH v2] iommu/virtio: Use page size bitmap supported by endpoint
...@ -111,6 +111,7 @@ struct virtio_iommu_req_unmap { > > #define VIRTIO_IOMMU_PROBE_T_NONE 0 > #define VIRTIO_IOMMU_PROBE_T_RESV_MEM 1 > +#define VIRTIO_IOMMU_PROBE_T_PAGE_SIZE_MASK 2 > > #define VIRTIO_IOMMU_PROBE_T_MASK 0xfff > > @@ -119,6 +120,12 @@ struct virtio_iommu_probe_property { > __le16 length; > }; > > +struct virtio_iommu_probe_pgsize_mask { > + struct virtio_iommu_probe_property head; > + __u8 reserved[4]; > + __u64 pgsize_bitmap; > +}; > + > #define VIRTIO_IOMMU_RESV_MEM_T_RESERVED 0 > #define VIRTIO_IOMMU_RES...
[PATCH v3 6/7] iommu/virtio: Add probe request
2018 Nov 15
1
[PATCH v3 6/7] iommu/virtio: Add probe request
...ions, &region->list); > + return 0; > +} > + > +static int viommu_probe_endpoint(struct viommu_dev *viommu, struct device *dev) > +{ > + int ret; > + u16 type, len; > + size_t cur = 0; > + size_t probe_len; > + struct virtio_iommu_req_probe *probe; > + struct virtio_iommu_probe_property *prop; > + struct iommu_fwspec *fwspec = dev->iommu_fwspec; > + struct viommu_endpoint *vdev = fwspec->iommu_priv; > + > + if (!fwspec->num_ids) > + return -EINVAL; > + > + probe_len = sizeof(*probe) + viommu->probe_size + > + sizeof(struct virtio_iommu_req...
[PATCH v3 6/7] iommu/virtio: Add probe request
2018 Nov 08
1
[PATCH v3 6/7] iommu/virtio: Add probe request
...ions, &region->list); > + return 0; > +} > + > +static int viommu_probe_endpoint(struct viommu_dev *viommu, struct device *dev) > +{ > + int ret; > + u16 type, len; > + size_t cur = 0; > + size_t probe_len; > + struct virtio_iommu_req_probe *probe; > + struct virtio_iommu_probe_property *prop; > + struct iommu_fwspec *fwspec = dev->iommu_fwspec; > + struct viommu_endpoint *vdev = fwspec->iommu_priv; > + > + if (!fwspec->num_ids) > + return -EINVAL; > + > + probe_len = sizeof(*probe) + viommu->probe_size + > + sizeof(struct virtio_iommu_req...
[PATCH v3 6/7] iommu/virtio: Add probe request
2018 Oct 12
0
[PATCH v3 6/7] iommu/virtio: Add probe request
...MSI); + break; + } + + list_add(&vdev->resv_regions, &region->list); + return 0; +} + +static int viommu_probe_endpoint(struct viommu_dev *viommu, struct device *dev) +{ + int ret; + u16 type, len; + size_t cur = 0; + size_t probe_len; + struct virtio_iommu_req_probe *probe; + struct virtio_iommu_probe_property *prop; + struct iommu_fwspec *fwspec = dev->iommu_fwspec; + struct viommu_endpoint *vdev = fwspec->iommu_priv; + + if (!fwspec->num_ids) + return -EINVAL; + + probe_len = sizeof(*probe) + viommu->probe_size + + sizeof(struct virtio_iommu_req_tail); + probe = kzalloc(probe_len, GFP...
[PATCH v4 6/7] iommu/virtio: Add probe request
2018 Nov 15
0
[PATCH v4 6/7] iommu/virtio: Add probe request
...+ return -ENOMEM; + + list_add(&vdev->resv_regions, &region->list); + return 0; +} + +static int viommu_probe_endpoint(struct viommu_dev *viommu, struct device *dev) +{ + int ret; + u16 type, len; + size_t cur = 0; + size_t probe_len; + struct virtio_iommu_req_probe *probe; + struct virtio_iommu_probe_property *prop; + struct iommu_fwspec *fwspec = dev->iommu_fwspec; + struct viommu_endpoint *vdev = fwspec->iommu_priv; + + if (!fwspec->num_ids) + return -EINVAL; + + probe_len = sizeof(*probe) + viommu->probe_size + + sizeof(struct virtio_iommu_req_tail); + probe = kzalloc(probe_len, GFP...
[PATCH v5] iommu/virtio: Use page size bitmap supported by endpoint
2020 May 06
1
[PATCH v5] iommu/virtio: Use page size bitmap supported by endpoint
...T_NONE 0 > #define VIRTIO_IOMMU_PROBE_T_RESV_MEM 1 > +#define VIRTIO_IOMMU_PROBE_T_PAGE_SIZE_MASK 2 > > #define VIRTIO_IOMMU_PROBE_T_MASK 0xfff > Does host need to know that guest will ignore the page size mask? Maybe we need a feature bit. > @@ -119,6 +120,12 @@ struct virtio_iommu_probe_property { > __le16 length; > }; > > +struct virtio_iommu_probe_pgsize_mask { > + struct virtio_iommu_probe_property head; > + __u8 reserved[4]; > + __le64 pgsize_bitmap; > +}; > + This is UAPI. Document the format of pgsize_bitmap please. > #define VIRTIO_...
[PATCH v2 3/5] iommu/virtio: Add probe request
2018 Jun 22
1
[PATCH v2 3/5] iommu/virtio: Add probe request
...ions, &region->list); > + return 0; > +} > + > +static int viommu_probe_endpoint(struct viommu_dev *viommu, struct device *dev) > +{ > + int ret; > + u16 type, len; > + size_t cur = 0; > + size_t probe_len; > + struct virtio_iommu_req_probe *probe; > + struct virtio_iommu_probe_property *prop; > + struct iommu_fwspec *fwspec = dev->iommu_fwspec; > + struct viommu_endpoint *vdev = fwspec->iommu_priv; > + > + if (!fwspec->num_ids) > + return -EINVAL; > + > + probe_len = sizeof(*probe) + viommu->probe_size + > + sizeof(struct virtio_iommu_req...
[EXT] Re: [PATCH v5] iommu/virtio: Use page size bitmap supported by endpoint
2020 May 07
2
[EXT] Re: [PATCH v5] iommu/virtio: Use page size bitmap supported by endpoint
...O_IOMMU_PROBE_T_PAGE_SIZE_MASK 2 > > > > > > #define VIRTIO_IOMMU_PROBE_T_MASK 0xfff > > > > > > > Does host need to know that guest will ignore the page size mask? > > Maybe we need a feature bit. > > > > > @@ -119,6 +120,12 @@ struct virtio_iommu_probe_property { > > > __le16 length; > > > }; > > > > > > +struct virtio_iommu_probe_pgsize_mask { > > > + struct virtio_iommu_probe_property head; > > > + __u8 reserved[4]; > > > + __le64 pgsize_bitmap; > > > +}; > > &g...
[PATCH v6] iommu/virtio: Use page size bitmap supported by endpoint
2020 May 14
2
[PATCH v6] iommu/virtio: Use page size bitmap supported by endpoint
...> @@ -111,6 +115,7 @@ struct virtio_iommu_req_unmap { > > #define VIRTIO_IOMMU_PROBE_T_NONE 0 > #define VIRTIO_IOMMU_PROBE_T_RESV_MEM 1 > +#define VIRTIO_IOMMU_PROBE_T_PAGE_SIZE_MASK 2 > > #define VIRTIO_IOMMU_PROBE_T_MASK 0xfff > > @@ -119,6 +124,13 @@ struct virtio_iommu_probe_property { > __le16 length; > }; > > +struct virtio_iommu_probe_pgsize_mask { > + struct virtio_iommu_probe_property head; > + __u8 reserved[4]; > + /* Same format as virtio_iommu_config::page_size_mask */ It's actually slightly different in that this must be a superse...
[PATCH v6] iommu/virtio: Use page size bitmap supported by endpoint
2020 May 14
2
[PATCH v6] iommu/virtio: Use page size bitmap supported by endpoint
...> @@ -111,6 +115,7 @@ struct virtio_iommu_req_unmap { > > #define VIRTIO_IOMMU_PROBE_T_NONE 0 > #define VIRTIO_IOMMU_PROBE_T_RESV_MEM 1 > +#define VIRTIO_IOMMU_PROBE_T_PAGE_SIZE_MASK 2 > > #define VIRTIO_IOMMU_PROBE_T_MASK 0xfff > > @@ -119,6 +124,13 @@ struct virtio_iommu_probe_property { > __le16 length; > }; > > +struct virtio_iommu_probe_pgsize_mask { > + struct virtio_iommu_probe_property head; > + __u8 reserved[4]; > + /* Same format as virtio_iommu_config::page_size_mask */ It's actually slightly different in that this must be a superse...
[RFC PATCH v2 2/5] iommu/virtio-iommu: Add probe request
2018 Jan 16
1
[RFC PATCH v2 2/5] iommu/virtio-iommu: Add probe request
...in case the subtype region is not recognized? > + > + return 0; > +} > + > +static int viommu_probe_endpoint(struct viommu_dev *viommu, struct device *dev) > +{ > + int ret; > + u16 type, len; > + size_t cur = 0; > + struct virtio_iommu_req_probe *probe; > + struct virtio_iommu_probe_property *prop; > + struct iommu_fwspec *fwspec = dev->iommu_fwspec; > + struct viommu_endpoint *vdev = fwspec->iommu_priv; > + > + if (!fwspec->num_ids) > + /* Trouble ahead. */ > + return -EINVAL; > + > + probe = kzalloc(sizeof(*probe) + viommu->probe_size + > +...
[PATCH v5] iommu/virtio: Use page size bitmap supported by endpoint
2020 May 12
1
[PATCH v5] iommu/virtio: Use page size bitmap supported by endpoint
...> @@ -111,6 +111,7 @@ struct virtio_iommu_req_unmap { > > #define VIRTIO_IOMMU_PROBE_T_NONE 0 > #define VIRTIO_IOMMU_PROBE_T_RESV_MEM 1 > +#define VIRTIO_IOMMU_PROBE_T_PAGE_SIZE_MASK 2 > > #define VIRTIO_IOMMU_PROBE_T_MASK 0xfff > > @@ -119,6 +120,12 @@ struct virtio_iommu_probe_property { > __le16 length; > }; > > +struct virtio_iommu_probe_pgsize_mask { > + struct virtio_iommu_probe_property head; > + __u8 reserved[4]; > + __le64 pgsize_bitmap; > +}; > + > #define VIRTIO_IOMMU_RESV_MEM_T_RESERVED 0 > #define VIRTIO_IOMMU_RESV_ME...
[PATCH v2 3/5] iommu/virtio: Add probe request
2018 Jun 21
0
[PATCH v2 3/5] iommu/virtio: Add probe request
...MSI); + break; + } + + list_add(&vdev->resv_regions, &region->list); + return 0; +} + +static int viommu_probe_endpoint(struct viommu_dev *viommu, struct device *dev) +{ + int ret; + u16 type, len; + size_t cur = 0; + size_t probe_len; + struct virtio_iommu_req_probe *probe; + struct virtio_iommu_probe_property *prop; + struct iommu_fwspec *fwspec = dev->iommu_fwspec; + struct viommu_endpoint *vdev = fwspec->iommu_priv; + + if (!fwspec->num_ids) + return -EINVAL; + + probe_len = sizeof(*probe) + viommu->probe_size + + sizeof(struct virtio_iommu_req_tail); + probe = kzalloc(probe_len, GFP...
[EXT] Re: [PATCH v5] iommu/virtio: Use page size bitmap supported by endpoint
2020 May 07
0
[EXT] Re: [PATCH v5] iommu/virtio: Use page size bitmap supported by endpoint
...+#define VIRTIO_IOMMU_PROBE_T_PAGE_SIZE_MASK 2 >>> >>> #define VIRTIO_IOMMU_PROBE_T_MASK 0xfff >>> >> >> Does host need to know that guest will ignore the page size mask? >> Maybe we need a feature bit. >> >>> @@ -119,6 +120,12 @@ struct virtio_iommu_probe_property { >>> __le16 length; >>> }; >>> >>> +struct virtio_iommu_probe_pgsize_mask { >>> + struct virtio_iommu_probe_property head; >>> + __u8 reserved[4]; >>> + __le64 pgsize_bitmap; >>> +}; >>> + >> >...
[PATCH 2/4] iommu/virtio: Add probe request
2018 Feb 14
0
[PATCH 2/4] iommu/virtio: Add probe request
...IRTIO_IOMMU_RESV_MEM_T_MSI) + pr_warn("unknown resv mem subtype 0x%x\n", mem->subtype); + + return 0; +} + +static int viommu_probe_endpoint(struct viommu_dev *viommu, struct device *dev) +{ + int ret; + u16 type, len; + size_t cur = 0; + struct virtio_iommu_req_probe *probe; + struct virtio_iommu_probe_property *prop; + struct iommu_fwspec *fwspec = dev->iommu_fwspec; + struct viommu_endpoint *vdev = fwspec->iommu_priv; + + if (!fwspec->num_ids) + /* Trouble ahead. */ + return -EINVAL; + + probe = kzalloc(sizeof(*probe) + viommu->probe_size + + sizeof(struct virtio_iommu_req_tail), GFP_KER...
[RFC PATCH v2 2/5] iommu/virtio-iommu: Add probe request
2017 Nov 17
0
[RFC PATCH v2 2/5] iommu/virtio-iommu: Add probe request
.... */ + pr_warn("unknown resv mem subtype 0x%x\n", mem->subtype); + return -EINVAL; + } + + return 0; +} + +static int viommu_probe_endpoint(struct viommu_dev *viommu, struct device *dev) +{ + int ret; + u16 type, len; + size_t cur = 0; + struct virtio_iommu_req_probe *probe; + struct virtio_iommu_probe_property *prop; + struct iommu_fwspec *fwspec = dev->iommu_fwspec; + struct viommu_endpoint *vdev = fwspec->iommu_priv; + + if (!fwspec->num_ids) + /* Trouble ahead. */ + return -EINVAL; + + probe = kzalloc(sizeof(*probe) + viommu->probe_size + + sizeof(struct virtio_iommu_req_tail), GFP_KER...
[EXT] Re: [PATCH v5] iommu/virtio: Use page size bitmap supported by endpoint
2020 May 07
0
[EXT] Re: [PATCH v5] iommu/virtio: Use page size bitmap supported by endpoint
...GE_SIZE_MASK 2 >>>> >>>> #define VIRTIO_IOMMU_PROBE_T_MASK 0xfff >>>> >>> >>> Does host need to know that guest will ignore the page size mask? >>> Maybe we need a feature bit. >>> >>>> @@ -119,6 +120,12 @@ struct virtio_iommu_probe_property { >>>> __le16 length; >>>> }; >>>> >>>> +struct virtio_iommu_probe_pgsize_mask { >>>> + struct virtio_iommu_probe_property head; >>>> + __u8 reserved[4]; >>>> + __le64 pgsize_bitmap; >>>>...
[PATCH 2/4] iommu/virtio: Add probe request
2018 Mar 23
1
[PATCH 2/4] iommu/virtio: Add probe request
...enerally preferable to pr_warn when feasible) > + > + return 0; > +} > + > +static int viommu_probe_endpoint(struct viommu_dev *viommu, struct device *dev) > +{ > + int ret; > + u16 type, len; > + size_t cur = 0; > + struct virtio_iommu_req_probe *probe; > + struct virtio_iommu_probe_property *prop; > + struct iommu_fwspec *fwspec = dev->iommu_fwspec; > + struct viommu_endpoint *vdev = fwspec->iommu_priv; > + > + if (!fwspec->num_ids) > + /* Trouble ahead. */ > + return -EINVAL; > + > + probe = kzalloc(sizeof(*probe) + viommu->probe_size + > +...
[RFC PATCH v2 2/5] iommu/virtio-iommu: Add probe request
2018 Jan 16
2
[RFC PATCH v2 2/5] iommu/virtio-iommu: Add probe request
...>subtype); > + return -EINVAL; > + } > + > + return 0; > +} > + > +static int viommu_probe_endpoint(struct viommu_dev *viommu, struct device *dev) > +{ > + int ret; > + u16 type, len; > + size_t cur = 0; > + struct virtio_iommu_req_probe *probe; > + struct virtio_iommu_probe_property *prop; > + struct iommu_fwspec *fwspec = dev->iommu_fwspec; > + struct viommu_endpoint *vdev = fwspec->iommu_priv; > + > + if (!fwspec->num_ids) > + /* Trouble ahead. */ > + return -EINVAL; > + > + probe = kzalloc(sizeof(*probe) + viommu->probe_size + > +...
[RFC PATCH v2 2/5] iommu/virtio-iommu: Add probe request
2018 Jan 16
2
[RFC PATCH v2 2/5] iommu/virtio-iommu: Add probe request
...>subtype); > + return -EINVAL; > + } > + > + return 0; > +} > + > +static int viommu_probe_endpoint(struct viommu_dev *viommu, struct device *dev) > +{ > + int ret; > + u16 type, len; > + size_t cur = 0; > + struct virtio_iommu_req_probe *probe; > + struct virtio_iommu_probe_property *prop; > + struct iommu_fwspec *fwspec = dev->iommu_fwspec; > + struct viommu_endpoint *vdev = fwspec->iommu_priv; > + > + if (!fwspec->num_ids) > + /* Trouble ahead. */ > + return -EINVAL; > + > + probe = kzalloc(sizeof(*probe) + viommu->probe_size + > +...