OXIESEC PANEL

Name	Size	Modified	Perms
📁 ..	-	11/17/2022 06:42:15 AM	rwxr-xr-x
📄 Kbuild	568 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 arch_gicv3.h	9.05 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 arch_timer.h	2.48 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 arm-cci.h	1.05 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 asm-offsets.h	35 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 assembler.h	10.46 KB	11/01/2022 04:52:05 PM	rw-r--r--
📄 atomic.h	13.22 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 auxvec.h	29 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 bL_switcher.h	2.28 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 barrier.h	2.84 KB	11/01/2022 04:52:05 PM	rw-r--r--
📄 bitops.h	8.62 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 bitrev.h	451 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 bug.h	2.46 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 bugs.h	546 bytes	11/01/2022 04:52:05 PM	rw-r--r--
📄 cache.h	813 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 cacheflush.h	15.54 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 cachetype.h	2.71 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 checksum.h	3.71 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 clocksource.h	153 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 cmpxchg.h	6.14 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 compiler.h	978 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 cp15.h	3.84 KB	11/01/2022 04:52:05 PM	rw-r--r--
📄 cpu.h	533 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 cpufeature.h	1.4 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 cpuidle.h	1.33 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 cputype.h	8.42 KB	11/01/2022 04:52:05 PM	rw-r--r--
📄 cti.h	3.62 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 dcc.h	1.01 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 delay.h	2.83 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 device.h	771 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 div64.h	3.17 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 dma-contiguous.h	265 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 dma-iommu.h	1.01 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 dma-mapping.h	7.44 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 dma.h	4.18 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 dmi.h	528 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 domain.h	3.65 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 ecard.h	5.98 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 edac.h	1.51 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 efi.h	3.04 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 elf.h	4.52 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 entry-macro-multi.S	726 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 exception.h	571 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 fb.h	375 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 fiq.h	1.36 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 firmware.h	1.82 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 fixmap.h	1.84 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 flat.h	915 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 floppy.h	3.61 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 fncpy.h	3.08 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 fpstate.h	1.73 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 ftrace.h	1.92 KB	11/01/2022 04:52:05 PM	rw-r--r--
📄 futex.h	4.24 KB	11/01/2022 04:52:05 PM	rw-r--r--
📄 glue-cache.h	3.51 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 glue-df.h	2.2 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 glue-pf.h	1.12 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 glue-proc.h	4.46 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 glue.h	759 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 gpio.h	693 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 hardirq.h	803 bytes	11/01/2022 04:52:05 PM	rw-r--r--
📁 hardware	-	11/17/2022 06:42:18 AM	rwxr-xr-x
📄 highmem.h	2.15 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 hugetlb-3level.h	2.03 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 hugetlb.h	1.78 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 hw_breakpoint.h	3.53 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 hw_irq.h	349 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 hwcap.h	378 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 hypervisor.h	140 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 ide.h	566 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 idmap.h	355 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 insn.h	636 bytes	11/01/2022 04:52:05 PM	rw-r--r--
📄 io.h	15.96 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 irq.h	1015 bytes	11/01/2022 04:52:05 PM	rw-r--r--
📄 irq_work.h	234 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 irqflags.h	3.88 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 jump_label.h	1009 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 kexec-internal.h	272 bytes	11/01/2022 04:52:05 PM	rw-r--r--
📄 kexec.h	2.3 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 kgdb.h	2.72 KB	11/01/2022 04:52:05 PM	rw-r--r--
📄 kmap_types.h	190 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 kprobes.h	2.65 KB	11/01/2022 04:52:05 PM	rw-r--r--
📄 kvm_arm.h	7.6 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 kvm_asm.h	2.84 KB	11/01/2022 04:52:05 PM	rw-r--r--
📄 kvm_coproc.h	1.99 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 kvm_emulate.h	7.84 KB	11/01/2022 04:52:05 PM	rw-r--r--
📄 kvm_host.h	10.31 KB	11/01/2022 04:52:05 PM	rw-r--r--
📄 kvm_hyp.h	4.49 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 kvm_mmio.h	1.34 KB	11/01/2022 04:52:05 PM	rw-r--r--
📄 kvm_mmu.h	7.27 KB	11/01/2022 04:52:05 PM	rw-r--r--
📄 limits.h	166 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 linkage.h	216 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📁 mach	-	11/17/2022 06:42:18 AM	rwxr-xr-x
📄 mc146818rtc.h	720 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 mcpm.h	11.92 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 mcs_spinlock.h	570 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 memblock.h	248 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 memory.h	10.12 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 mmu.h	953 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 mmu_context.h	3.94 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 module.h	1.57 KB	11/01/2022 04:52:05 PM	rw-r--r--
📄 mpu.h	2.15 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 mtd-xip.h	666 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 neon.h	1.16 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 nwflash.h	252 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 opcodes-sec.h	742 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 opcodes-virt.h	1.32 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 opcodes.h	8.07 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 outercache.h	3.78 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 page-nommu.h	957 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 page.h	3.61 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 paravirt.h	454 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 patch.h	438 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 pci.h	956 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 percpu.h	1.56 KB	11/01/2022 04:52:05 PM	rw-r--r--
📄 perf_event.h	850 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 pgalloc.h	3.79 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 pgtable-2level-hwdef.h	3.45 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 pgtable-2level-types.h	1.84 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 pgtable-2level.h	8.51 KB	11/01/2022 04:52:05 PM	rw-r--r--
📄 pgtable-3level-hwdef.h	3.95 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 pgtable-3level-types.h	1.89 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 pgtable-3level.h	9.54 KB	11/01/2022 04:52:05 PM	rw-r--r--
📄 pgtable-hwdef.h	467 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 pgtable-nommu.h	2.66 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 pgtable.h	11.68 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 probes.h	1.73 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 proc-fns.h	4.79 KB	11/01/2022 04:52:05 PM	rw-r--r--
📄 processor.h	3.4 KB	11/01/2022 04:52:05 PM	rw-r--r--
📄 procinfo.h	1.27 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 prom.h	715 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 psci.h	771 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 ptrace.h	4.89 KB	11/01/2022 04:52:05 PM	rw-r--r--
📄 sections.h	189 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 set_memory.h	1.04 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 setup.h	934 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 shmparam.h	419 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 signal.h	500 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 smp.h	3.1 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 smp_plat.h	2.48 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 smp_scu.h	1.32 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 smp_twd.h	908 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 sparsemem.h	716 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 spectre.h	906 bytes	11/01/2022 04:52:05 PM	rw-r--r--
📄 spinlock.h	5.49 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 spinlock_types.h	541 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 stackprotector.h	1.09 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 stacktrace.h	742 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 stage2_pgtable.h	2.12 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 string.h	1.43 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 suspend.h	369 bytes	11/01/2022 04:52:05 PM	rw-r--r--
📄 swab.h	1005 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 switch_to.h	1.03 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 sync_bitops.h	1.03 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 syscall.h	2.48 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 system_info.h	763 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 system_misc.h	1.14 KB	11/01/2022 04:52:05 PM	rw-r--r--
📄 tcm.h	937 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 therm.h	655 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 thread_info.h	5.2 KB	11/01/2022 04:52:05 PM	rw-r--r--
📄 thread_notify.h	1.2 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 timex.h	577 bytes	11/01/2022 04:52:05 PM	rw-r--r--
📄 tlb.h	7.37 KB	11/01/2022 04:52:05 PM	rw-r--r--
📄 tlbflush.h	17.88 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 tls.h	3.09 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 topology.h	1.18 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 traps.h	1.17 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 trusted_foundations.h	2.29 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 uaccess-asm.h	2.83 KB	11/01/2022 04:52:05 PM	rw-r--r--
📄 uaccess.h	16.22 KB	11/01/2022 04:52:05 PM	rw-r--r--
📄 ucontext.h	2.98 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 unaligned.h	846 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 unified.h	1.61 KB	11/01/2022 04:52:05 PM	rw-r--r--
📄 unistd.h	1.68 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 unwind.h	1.71 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 uprobes.h	1.07 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 user.h	4.2 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 v7m.h	2.93 KB	11/01/2022 04:52:05 PM	rw-r--r--
📄 vdso.h	507 bytes	11/01/2022 04:52:05 PM	rw-r--r--
📄 vdso_datapage.h	1.69 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 vfp.h	2.86 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 vfpmacros.h	2.1 KB	11/01/2022 04:52:05 PM	rw-r--r--
📄 vga.h	305 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 virt.h	2.9 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 word-at-a-time.h	2.08 KB	01/28/2018 09:20:33 PM	rw-r--r--
📁 xen	-	11/17/2022 06:42:18 AM	rwxr-xr-x
📄 xor.h	5.22 KB	01/28/2018 09:20:33 PM	rw-r--r--

Editing: dma-mapping.h

/* SPDX-License-Identifier: GPL-2.0 */
#ifndef ASMARM_DMA_MAPPING_H
#define ASMARM_DMA_MAPPING_H

#ifdef __KERNEL__

#include <linux/mm_types.h>
#include <linux/scatterlist.h>
#include <linux/dma-debug.h>

#include <asm/memory.h>

#include <xen/xen.h>
#include <asm/xen/hypervisor.h>

extern const struct dma_map_ops arm_dma_ops;
extern const struct dma_map_ops arm_coherent_dma_ops;

static inline const struct dma_map_ops *get_arch_dma_ops(struct bus_type *bus)
{
	return IS_ENABLED(CONFIG_MMU) ? &arm_dma_ops : &dma_noop_ops;
}

#ifdef __arch_page_to_dma
#error Please update to __arch_pfn_to_dma
#endif

/*
 * dma_to_pfn/pfn_to_dma/dma_to_virt/virt_to_dma are architecture private
 * functions used internally by the DMA-mapping API to provide DMA
 * addresses. They must not be used by drivers.
 */
#ifndef __arch_pfn_to_dma
static inline dma_addr_t pfn_to_dma(struct device *dev, unsigned long pfn)
{
	if (dev)
		pfn -= dev->dma_pfn_offset;
	return (dma_addr_t)__pfn_to_bus(pfn);
}

static inline unsigned long dma_to_pfn(struct device *dev, dma_addr_t addr)
{
	unsigned long pfn = __bus_to_pfn(addr);

if (dev)
		pfn += dev->dma_pfn_offset;

return pfn;
}

static inline void *dma_to_virt(struct device *dev, dma_addr_t addr)
{
	if (dev) {
		unsigned long pfn = dma_to_pfn(dev, addr);

return phys_to_virt(__pfn_to_phys(pfn));
	}

return (void *)__bus_to_virt((unsigned long)addr);
}

static inline dma_addr_t virt_to_dma(struct device *dev, void *addr)
{
	if (dev)
		return pfn_to_dma(dev, virt_to_pfn(addr));

return (dma_addr_t)__virt_to_bus((unsigned long)(addr));
}

#else
static inline dma_addr_t pfn_to_dma(struct device *dev, unsigned long pfn)
{
	return __arch_pfn_to_dma(dev, pfn);
}

static inline unsigned long dma_to_pfn(struct device *dev, dma_addr_t addr)
{
	return __arch_dma_to_pfn(dev, addr);
}

static inline void *dma_to_virt(struct device *dev, dma_addr_t addr)
{
	return __arch_dma_to_virt(dev, addr);
}

static inline dma_addr_t virt_to_dma(struct device *dev, void *addr)
{
	return __arch_virt_to_dma(dev, addr);
}
#endif

/* The ARM override for dma_max_pfn() */
static inline unsigned long dma_max_pfn(struct device *dev)
{
	return dma_to_pfn(dev, *dev->dma_mask);
}
#define dma_max_pfn(dev) dma_max_pfn(dev)

#define arch_setup_dma_ops arch_setup_dma_ops
extern void arch_setup_dma_ops(struct device *dev, u64 dma_base, u64 size,
			       const struct iommu_ops *iommu, bool coherent);

#define arch_teardown_dma_ops arch_teardown_dma_ops
extern void arch_teardown_dma_ops(struct device *dev);

/* do not use this function in a driver */
static inline bool is_device_dma_coherent(struct device *dev)
{
	return dev->archdata.dma_coherent;
}

static inline dma_addr_t phys_to_dma(struct device *dev, phys_addr_t paddr)
{
	unsigned int offset = paddr & ~PAGE_MASK;
	return pfn_to_dma(dev, __phys_to_pfn(paddr)) + offset;
}

static inline phys_addr_t dma_to_phys(struct device *dev, dma_addr_t dev_addr)
{
	unsigned int offset = dev_addr & ~PAGE_MASK;
	return __pfn_to_phys(dma_to_pfn(dev, dev_addr)) + offset;
}

static inline bool dma_capable(struct device *dev, dma_addr_t addr, size_t size)
{
	u64 limit, mask;

if (!dev->dma_mask)
		return 0;

mask = *dev->dma_mask;

limit = (mask + 1) & ~mask;
	if (limit && size > limit)
		return 0;

if ((addr | (addr + size - 1)) & ~mask)
		return 0;

return 1;
}

static inline void dma_mark_clean(void *addr, size_t size) { }

/**
 * arm_dma_alloc - allocate consistent memory for DMA
 * @dev: valid struct device pointer, or NULL for ISA and EISA-like devices
 * @size: required memory size
 * @handle: bus-specific DMA address
 * @attrs: optinal attributes that specific mapping properties
 *
 * Allocate some memory for a device for performing DMA.  This function
 * allocates pages, and will return the CPU-viewed address, and sets @handle
 * to be the device-viewed address.
 */
extern void *arm_dma_alloc(struct device *dev, size_t size, dma_addr_t *handle,
			   gfp_t gfp, unsigned long attrs);

/**
 * arm_dma_free - free memory allocated by arm_dma_alloc
 * @dev: valid struct device pointer, or NULL for ISA and EISA-like devices
 * @size: size of memory originally requested in dma_alloc_coherent
 * @cpu_addr: CPU-view address returned from dma_alloc_coherent
 * @handle: device-view address returned from dma_alloc_coherent
 * @attrs: optinal attributes that specific mapping properties
 *
 * Free (and unmap) a DMA buffer previously allocated by
 * arm_dma_alloc().
 *
 * References to memory and mappings associated with cpu_addr/handle
 * during and after this call executing are illegal.
 */
extern void arm_dma_free(struct device *dev, size_t size, void *cpu_addr,
			 dma_addr_t handle, unsigned long attrs);

/**
 * arm_dma_mmap - map a coherent DMA allocation into user space
 * @dev: valid struct device pointer, or NULL for ISA and EISA-like devices
 * @vma: vm_area_struct describing requested user mapping
 * @cpu_addr: kernel CPU-view address returned from dma_alloc_coherent
 * @handle: device-view address returned from dma_alloc_coherent
 * @size: size of memory originally requested in dma_alloc_coherent
 * @attrs: optinal attributes that specific mapping properties
 *
 * Map a coherent DMA buffer previously allocated by dma_alloc_coherent
 * into user space.  The coherent DMA buffer must not be freed by the
 * driver until the user space mapping has been released.
 */
extern int arm_dma_mmap(struct device *dev, struct vm_area_struct *vma,
			void *cpu_addr, dma_addr_t dma_addr, size_t size,
			unsigned long attrs);

/*
 * For SA-1111, IXP425, and ADI systems  the dma-mapping functions are "magic"
 * and utilize bounce buffers as needed to work around limited DMA windows.
 *
 * On the SA-1111, a bug limits DMA to only certain regions of RAM.
 * On the IXP425, the PCI inbound window is 64MB (256MB total RAM)
 * On some ADI engineering systems, PCI inbound window is 32MB (12MB total RAM)
 *
 * The following are helper functions used by the dmabounce subystem
 *
 */

/**
 * dmabounce_register_dev
 *
 * @dev: valid struct device pointer
 * @small_buf_size: size of buffers to use with small buffer pool
 * @large_buf_size: size of buffers to use with large buffer pool (can be 0)
 * @needs_bounce_fn: called to determine whether buffer needs bouncing
 *
 * This function should be called by low-level platform code to register
 * a device as requireing DMA buffer bouncing. The function will allocate
 * appropriate DMA pools for the device.
 */
extern int dmabounce_register_dev(struct device *, unsigned long,
		unsigned long, int (*)(struct device *, dma_addr_t, size_t));

/**
 * dmabounce_unregister_dev
 *
 * @dev: valid struct device pointer
 *
 * This function should be called by low-level platform code when device
 * that was previously registered with dmabounce_register_dev is removed
 * from the system.
 *
 */
extern void dmabounce_unregister_dev(struct device *);

/*
 * The scatter list versions of the above methods.
 */
extern int arm_dma_map_sg(struct device *, struct scatterlist *, int,
		enum dma_data_direction, unsigned long attrs);
extern void arm_dma_unmap_sg(struct device *, struct scatterlist *, int,
		enum dma_data_direction, unsigned long attrs);
extern void arm_dma_sync_sg_for_cpu(struct device *, struct scatterlist *, int,
		enum dma_data_direction);
extern void arm_dma_sync_sg_for_device(struct device *, struct scatterlist *, int,
		enum dma_data_direction);
extern int arm_dma_get_sgtable(struct device *dev, struct sg_table *sgt,
		void *cpu_addr, dma_addr_t dma_addr, size_t size,
		unsigned long attrs);

#endif /* __KERNEL__ */
#endif