hekate/bdk/mem/smmu.h

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/*
* Copyright (c) 2018 naehrwert
* Copyright (c) 2018-2024 CTCaer
*
* This program is free software; you can redistribute it and/or modify it
* under the terms and conditions of the GNU General Public License,
* version 2, as published by the Free Software Foundation.
*
* This program is distributed in the hope it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
* more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include <assert.h>
#include <utils/types.h>
#define MC_SMMU_AVPC_ASID 0x23C
#define MC_SMMU_TSEC_ASID 0x294
#define SMMU_NS BIT(0)
#define SMMU_WRITE BIT(1)
#define SMMU_READ BIT(2)
#define SMMU_ATTR_ALL (SMMU_READ | SMMU_WRITE | SMMU_NS)
typedef struct _pde_t {
union {
union {
struct {
u32 table:22;
u32 rsvd:6;
u32 next:1;
u32 attr:3;
} tbl;
struct {
u32 rsvd_:10;
u32 page:12;
u32 rsvd:6;
u32 next:1;
u32 attr:3;
} huge;
};
u32 pde;
};
} pde_t;
typedef struct _pte_t {
u32 page:22;
u32 rsvd:7;
u32 attr:3;
} pte_t;
static_assert(sizeof(pde_t) == sizeof(u32), "pde_t size is wrong!");
static_assert(sizeof(pte_t) == sizeof(u32), "pte_t size is wrong!");
void *smmu_page_zalloc(u32 num);
void smmu_flush_all();
void smmu_init();
void smmu_enable();
void smmu_reset_heap();
void *smmu_init_domain(u32 dev_base, u32 asid);
void smmu_deinit_domain(u32 dev_base, u32 asid);
void smmu_domain_bypass(u32 dev_base, bool bypass);
void smmu_map(void *ptb, u32 iova, u64 iopa, u32 pages, u32 attr);
void smmu_map_huge(void *ptb, u32 iova, u64 iopa, u32 regions, u32 attr);