Contributors: 4
| Author |
Tokens |
Token Proportion |
Commits |
Commit Proportion |
| Rob Clark |
247 |
86.06% |
5 |
62.50% |
| Stephane Viau |
21 |
7.32% |
1 |
12.50% |
| Jonathan Marek |
17 |
5.92% |
1 |
12.50% |
| Thomas Gleixner |
2 |
0.70% |
1 |
12.50% |
| Total |
287 |
|
8 |
|
/* SPDX-License-Identifier: GPL-2.0-only */
/*
* Copyright (C) 2013 Red Hat
* Author: Rob Clark <robdclark@gmail.com>
*/
#ifndef __MSM_MMU_H__
#define __MSM_MMU_H__
#include <linux/iommu.h>
struct msm_mmu_funcs {
int (*attach)(struct msm_mmu *mmu, const char * const *names, int cnt);
void (*detach)(struct msm_mmu *mmu, const char * const *names, int cnt);
int (*map)(struct msm_mmu *mmu, uint64_t iova, struct sg_table *sgt,
unsigned len, int prot);
int (*unmap)(struct msm_mmu *mmu, uint64_t iova, unsigned len);
void (*destroy)(struct msm_mmu *mmu);
};
struct msm_mmu {
const struct msm_mmu_funcs *funcs;
struct device *dev;
int (*handler)(void *arg, unsigned long iova, int flags);
void *arg;
};
static inline void msm_mmu_init(struct msm_mmu *mmu, struct device *dev,
const struct msm_mmu_funcs *funcs)
{
mmu->dev = dev;
mmu->funcs = funcs;
}
struct msm_mmu *msm_iommu_new(struct device *dev, struct iommu_domain *domain);
struct msm_mmu *msm_gpummu_new(struct device *dev, struct msm_gpu *gpu);
static inline void msm_mmu_set_fault_handler(struct msm_mmu *mmu, void *arg,
int (*handler)(void *arg, unsigned long iova, int flags))
{
mmu->arg = arg;
mmu->handler = handler;
}
void msm_gpummu_params(struct msm_mmu *mmu, dma_addr_t *pt_base,
dma_addr_t *tran_error);
#endif /* __MSM_MMU_H__ */