- 31 3月, 2015 1 次提交
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由 Joerg Roedel 提交于
Implement domain_alloc and domain_free iommu-ops as a replacement for domain_init/domain_destroy. Signed-off-by: NJoerg Roedel <jroedel@suse.de>
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- 04 11月, 2014 1 次提交
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由 Olav Haugan 提交于
Mapping and unmapping are more often than not in the critical path. map_sg allows IOMMU driver implementations to optimize the process of mapping buffers into the IOMMU page tables. Instead of mapping a buffer one page at a time and requiring potentially expensive TLB operations for each page, this function allows the driver to map all pages in one go and defer TLB maintenance until after all pages have been mapped. Additionally, the mapping operation would be faster in general since clients does not have to keep calling map API over and over again for each physically contiguous chunk of memory that needs to be mapped to a virtually contiguous region. Signed-off-by: NOlav Haugan <ohaugan@codeaurora.org> Signed-off-by: NJoerg Roedel <jroedel@suse.de>
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- 07 7月, 2014 1 次提交
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由 Thierry Reding 提交于
This structure is read-only data and should never be modified. Signed-off-by: NThierry Reding <treding@nvidia.com> Signed-off-by: NGreg Kroah-Hartman <gregkh@linuxfoundation.org> Signed-off-by: NJoerg Roedel <jroedel@suse.de>
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- 28 2月, 2014 1 次提交
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由 Marek Szyprowski 提交于
The 'order' parameter for IOMMU-aware dma-mapping implementation was introduced mainly as a hack to reduce size of the bitmap used for tracking IO virtual address space. Since now it is possible to dynamically resize the bitmap, this hack is not needed and can be removed without any impact on the client devices. This way the parameters for arm_iommu_create_mapping() becomes much easier to understand. 'size' parameter now means the maximum supported IO address space size. The code will allocate (resize) bitmap in chunks, ensuring that a single chunk is not larger than a single memory page to avoid unreliable allocations of size larger than PAGE_SIZE in atomic context. Signed-off-by: NMarek Szyprowski <m.szyprowski@samsung.com>
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- 07 1月, 2014 1 次提交
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由 Laurent Pinchart 提交于
The archdata attached_list field isn't initialized, leading to random crashes when accessed. Use kzalloc() to allocate the whole structure and make sure all fields get initialized properly. Signed-off-by: NLaurent Pinchart <laurent.pinchart+renesas@ideasonboard.com> Signed-off-by: NJoerg Roedel <joro@8bytes.org>
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- 03 4月, 2013 1 次提交
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由 Varun Sethi 提交于
This is required in case of PAMU, as it can support a window size of up to 64G (even on 32bit). Signed-off-by: NVarun Sethi <Varun.Sethi@freescale.com> Signed-off-by: NJoerg Roedel <joro@8bytes.org>
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- 06 2月, 2013 1 次提交
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由 Hideki EIRAKU 提交于
This is the Renesas IPMMU driver and IOMMU API implementation. The IPMMU module supports the MMU function and the PMB function. The MMU function provides address translation by pagetable compatible with ARMv6. The PMB function provides address translation including tile-linear translation. This patch implements the MMU function. The iommu driver does not register a platform driver directly because: - the register space of the MMU function and the PMB function have a common register (used for settings flush), so they should ideally have a way to appropriately share this register. - the MMU function uses the IOMMU API while the PMB function does not. - the two functions may be used independently. Signed-off-by: NHideki EIRAKU <hdk@igel.co.jp> Signed-off-by: NJoerg Roedel <joro@8bytes.org>
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