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Server : LiteSpeed System : Linux srv104790275 5.15.0-161-generic #171-Ubuntu SMP Sat Oct 11 08:17:01 UTC 2025 x86_64 User : dewac4139 ( 1077) PHP Version : 8.0.30 Disable Function : pcntl_alarm,pcntl_fork,pcntl_waitpid,pcntl_wait,pcntl_wifexited,pcntl_wifstopped,pcntl_wifsignaled,pcntl_wifcontinued,pcntl_wexitstatus,pcntl_wtermsig,pcntl_wstopsig,pcntl_signal,pcntl_signal_get_handler,pcntl_signal_dispatch,pcntl_get_last_error,pcntl_strerror,pcntl_sigprocmask,pcntl_sigwaitinfo,pcntl_sigtimedwait,pcntl_exec,pcntl_getpriority,pcntl_setpriority,pcntl_async_signals,pcntl_unshare, Directory : /usr/src/linux-headers-5.15.0-57/arch/arm/include/asm/ |
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/* SPDX-License-Identifier: GPL-2.0 */
#ifndef ASMARM_DMA_IOMMU_H
#define ASMARM_DMA_IOMMU_H
#ifdef __KERNEL__
#include <linux/mm_types.h>
#include <linux/scatterlist.h>
#include <linux/kref.h>
struct dma_iommu_mapping {
/* iommu specific data */
struct iommu_domain *domain;
unsigned long **bitmaps; /* array of bitmaps */
unsigned int nr_bitmaps; /* nr of elements in array */
unsigned int extensions;
size_t bitmap_size; /* size of a single bitmap */
size_t bits; /* per bitmap */
dma_addr_t base;
spinlock_t lock;
struct kref kref;
};
struct dma_iommu_mapping *
arm_iommu_create_mapping(struct bus_type *bus, dma_addr_t base, u64 size);
void arm_iommu_release_mapping(struct dma_iommu_mapping *mapping);
int arm_iommu_attach_device(struct device *dev,
struct dma_iommu_mapping *mapping);
void arm_iommu_detach_device(struct device *dev);
#endif /* __KERNEL__ */
#endif