|
Server : Apache/2.4.18 (Ubuntu) System : Linux canvaswebdesign 3.13.0-71-generic #114-Ubuntu SMP Tue Dec 1 02:34:22 UTC 2015 x86_64 User : oppastar ( 1041) PHP Version : 7.0.33-0ubuntu0.16.04.15 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_dispatch,pcntl_get_last_error,pcntl_strerror,pcntl_sigprocmask,pcntl_sigwaitinfo,pcntl_sigtimedwait,pcntl_exec,pcntl_getpriority,pcntl_setpriority, Directory : /usr/src/linux-headers-4.4.0-51/arch/sparc/include/asm/ |
Upload File : |
#ifndef ___ASM_SPARC_DMA_MAPPING_H
#define ___ASM_SPARC_DMA_MAPPING_H
#include <linux/scatterlist.h>
#include <linux/mm.h>
#include <linux/dma-debug.h>
#define DMA_ERROR_CODE (~(dma_addr_t)0x0)
#define HAVE_ARCH_DMA_SUPPORTED 1
int dma_supported(struct device *dev, u64 mask);
static inline void dma_cache_sync(struct device *dev, void *vaddr, size_t size,
enum dma_data_direction dir)
{
/* Since dma_{alloc,free}_noncoherent() allocated coherent memory, this
* routine can be a nop.
*/
}
extern struct dma_map_ops *dma_ops;
extern struct dma_map_ops *leon_dma_ops;
extern struct dma_map_ops pci32_dma_ops;
extern struct bus_type pci_bus_type;
static inline struct dma_map_ops *get_dma_ops(struct device *dev)
{
#ifdef CONFIG_SPARC_LEON
if (sparc_cpu_model == sparc_leon)
return leon_dma_ops;
#endif
#if defined(CONFIG_SPARC32) && defined(CONFIG_PCI)
if (dev->bus == &pci_bus_type)
return &pci32_dma_ops;
#endif
return dma_ops;
}
#define HAVE_ARCH_DMA_SET_MASK 1
static inline int dma_set_mask(struct device *dev, u64 mask)
{
#ifdef CONFIG_PCI
if (dev->bus == &pci_bus_type) {
if (!dev->dma_mask || !dma_supported(dev, mask))
return -EINVAL;
*dev->dma_mask = mask;
return 0;
}
#endif
return -EINVAL;
}
#include <asm-generic/dma-mapping-common.h>
#endif