forked from Qortal/Brooklyn
84ba5b15ac
* Enhance GPIO addon for Noctua Fans for the Qortector upcoming case. This will put PWM signal to real-time. * Fixed RDP not letting a user login if not logged out on Cinnamon release (reported by Crowetic) * Update i2c sensor db * Fixed DRM broadcast over HDMI 2+ * Ease up DHCP security only to prevent Brooklyn blocking routers. * Add possibility to add extra memory for Cinnamon Desktop Release * Fix error message of Software Render mode on Cinnamon Desktop * Add proper offset for HD screens for pixel array *Fixed HDMI jitter for videocore4 GPU * Enable all radios (including Bluetooth)
37 lines
908 B
C
37 lines
908 B
C
/* SPDX-License-Identifier: GPL-2.0 */
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#ifndef ASMARM_DMA_IOMMU_H
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#define ASMARM_DMA_IOMMU_H
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#ifdef __KERNEL__
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#include <linux/mm_types.h>
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#include <linux/scatterlist.h>
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#include <linux/kref.h>
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struct dma_iommu_mapping {
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/* iommu specific data */
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struct iommu_domain *domain;
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unsigned long **bitmaps; /* array of bitmaps */
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unsigned int nr_bitmaps; /* nr of elements in array */
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unsigned int extensions;
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size_t bitmap_size; /* size of a single bitmap */
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size_t bits; /* per bitmap */
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dma_addr_t base;
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spinlock_t lock;
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struct kref kref;
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};
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struct dma_iommu_mapping *
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arm_iommu_create_mapping(struct bus_type *bus, dma_addr_t base, u64 size);
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void arm_iommu_release_mapping(struct dma_iommu_mapping *mapping);
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int arm_iommu_attach_device(struct device *dev,
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struct dma_iommu_mapping *mapping);
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void arm_iommu_detach_device(struct device *dev);
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#endif /* __KERNEL__ */
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#endif
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