cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
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ebus_dma.h (1098B)

      1/* SPDX-License-Identifier: GPL-2.0 */
      2#ifndef __ASM_SPARC_EBUS_DMA_H
      3#define __ASM_SPARC_EBUS_DMA_H
      4
      5struct ebus_dma_info {
      6	spinlock_t	lock;
      7	void __iomem	*regs;
      8
      9	unsigned int	flags;
     10#define EBUS_DMA_FLAG_USE_EBDMA_HANDLER		0x00000001
     11#define EBUS_DMA_FLAG_TCI_DISABLE		0x00000002
     12
     13	/* These are only valid is EBUS_DMA_FLAG_USE_EBDMA_HANDLER is
     14	 * set.
     15	 */
     16	void (*callback)(struct ebus_dma_info *p, int event, void *cookie);
     17	void *client_cookie;
     18	unsigned int	irq;
     19#define EBUS_DMA_EVENT_ERROR	1
     20#define EBUS_DMA_EVENT_DMA	2
     21#define EBUS_DMA_EVENT_DEVICE	4
     22
     23	unsigned char	name[64];
     24};
     25
     26int ebus_dma_register(struct ebus_dma_info *p);
     27int ebus_dma_irq_enable(struct ebus_dma_info *p, int on);
     28void ebus_dma_unregister(struct ebus_dma_info *p);
     29int ebus_dma_request(struct ebus_dma_info *p, dma_addr_t bus_addr,
     30			    size_t len);
     31void ebus_dma_prepare(struct ebus_dma_info *p, int write);
     32unsigned int ebus_dma_residue(struct ebus_dma_info *p);
     33unsigned int ebus_dma_addr(struct ebus_dma_info *p);
     34void ebus_dma_enable(struct ebus_dma_info *p, int on);
     35
     36#endif /* __ASM_SPARC_EBUS_DMA_H */