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This commit is contained in:
Sascha Nesterovic
2025-08-11 14:29:00 +02:00
parent c66122e619
commit 4d134a1294
2688 changed files with 1127995 additions and 11475 deletions
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99
include/linux/qcom-io-pgtable.h Normal file
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/* SPDX-License-Identifier: GPL-2.0-only */
/*
* Copyright (c) 2020-2021, The Linux Foundation. All rights reserved.
* Copyright (c) 2022-2023 Qualcomm Innovation Center, Inc. All rights reserved.
*/
#ifndef __QCOM_QCOM_IO_PGTABLE_H
#define __QCOM_QCOM_IO_PGTABLE_H
#include <linux/io-pgtable.h>
struct qcom_iommu_pgtable_log_ops {
void (*log_new_table)(void *cookie, void *virt, unsigned long iova, size_t granule);
void (*log_remove_table)(void *cookie, void *virt, unsigned long iova, size_t granule);
};
struct qcom_iommu_flush_ops {
void (*tlb_add_walk_page)(void *cookie, void *virt);
void (*tlb_add_inv)(void *cookie);
void (*tlb_sync)(void *cookie);
};
struct qcom_io_pgtable_info {
struct io_pgtable_cfg cfg;
const struct qcom_iommu_flush_ops *iommu_tlb_ops;
const struct qcom_iommu_pgtable_log_ops *pgtable_log_ops;
/* When set to 0, all page table memory is treated as non-secure. */
u32 vmid;
dma_addr_t iova_base;
dma_addr_t iova_end;
};
#define to_qcom_io_pgtable_info(x)\
container_of((x), struct qcom_io_pgtable_info, cfg)
#define IO_PGTABLE_QUIRK_QCOM_USE_LLC_NWA BIT(31)
#define ARM_V8L_FAST ((unsigned int)-1)
#define QCOM_ARM_64_LPAE_S1 ((unsigned int)-2)
struct io_pgtable_ops *qcom_alloc_io_pgtable_ops(enum io_pgtable_fmt fmt,
struct qcom_io_pgtable_info *pgtbl_info,
void *cookie);
void qcom_free_io_pgtable_ops(struct io_pgtable_ops *ops);
static inline void
qcom_io_pgtable_tlb_add_walk_page(const struct qcom_iommu_flush_ops *tlb_ops, void *cookie,
void *virt)
{
tlb_ops->tlb_add_walk_page(cookie, virt);
}
static inline void
qcom_io_pgtable_tlb_add_inv(const struct qcom_iommu_flush_ops *tlb_ops, void *cookie)
{
tlb_ops->tlb_add_inv(cookie);
}
static inline void
qcom_io_pgtable_tlb_sync(const struct qcom_iommu_flush_ops *tlb_ops, void *cookie)
{
tlb_ops->tlb_sync(cookie);
}
static inline void
qcom_io_pgtable_log_new_table(const struct qcom_iommu_pgtable_log_ops *ops, void *cookie,
void *virt, unsigned long iova, size_t granule)
{
ops->log_new_table(cookie, virt, iova, granule);
}
static inline void
qcom_io_pgtable_log_remove_table(const struct qcom_iommu_pgtable_log_ops *ops, void *cookie,
void *virt, unsigned long iova, size_t granule)
{
ops->log_remove_table(cookie, virt, iova, granule);
}
#ifdef CONFIG_IOMMU_IO_PGTABLE_FAST
extern struct io_pgtable_init_fns io_pgtable_av8l_fast_init_fns;
#endif
#ifdef CONFIG_IOMMU_IO_PGTABLE_LPAE
extern struct io_pgtable_init_fns qcom_io_pgtable_arm_64_lpae_s1_init_fns;
#endif
int qcom_arm_lpae_map(struct io_pgtable_ops *ops, unsigned long iova,
phys_addr_t paddr, size_t size, int iommu_prot, gfp_t gfp);
int qcom_arm_lpae_map_pages(struct io_pgtable_ops *ops, unsigned long iova,
phys_addr_t paddr, size_t pgsize, size_t pgcount,
int iommu_prot, gfp_t gfp, size_t *mapped);
int qcom_arm_lpae_map_sg(struct io_pgtable_ops *ops, unsigned long iova,
struct scatterlist *sg, unsigned int nents, int prot,
gfp_t gfp, size_t *mapped);
size_t qcom_arm_lpae_unmap_pages(struct io_pgtable_ops *ops, unsigned long iova,
size_t pgsize, size_t pgcount,
struct iommu_iotlb_gather *gather);
size_t qcom_arm_lpae_unmap(struct io_pgtable_ops *ops, unsigned long iova,
size_t size, struct iommu_iotlb_gather *gather);
#endif /* __QCOM_QCOM_IO_PGTABLE_H */