| /* |
| * TrustZone Driver |
| * |
| * Copyright (C) 2016 Marvell Ltd. |
| * |
| * This library is free software; you can redistribute it and/or |
| * modify it under the terms of the GNU General Public License |
| * as published by the Free Software Foundation; either version 2 |
| * of the License, or (at your option) any later version. |
| * |
| * This program is distributed in the hope that 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, write to the Free Software |
| * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. |
| */ |
| #ifndef __TZ_UTILS_H__ |
| #define __TZ_UTILS_H__ |
| |
| #include "types.h" |
| |
| typedef enum _tz_secure_reg_ops_ { |
| TZ_SECURE_REG_READ = 0, |
| TZ_SECURE_REG_WRITE = 1, |
| }tz_secure_reg_ops; |
| |
| typedef enum _tz_secure_reg_ { |
| TZ_REG_SEM_INTR_ENABLE_1 = 0, |
| TZ_REG_SEM_INTR_ENABLE_2 = 1, |
| TZ_REG_SEM_INTR_ENABLE_3 = 2, |
| TZ_REG_SEM_CHK_FULL = 3, |
| TZ_REG_SEM_POP = 4, |
| TZ_REG_OVP_INTR_STATUS = 5, |
| TZ_REG_MAX, |
| }tz_secure_reg; |
| |
| struct mm_struct; |
| |
| /* |
| * This function walks through the page tables to convert a userland |
| * virtual address to a page table entry (PTE) |
| */ |
| unsigned long tz_user_virt_to_pte(struct mm_struct *mm, unsigned long vaddr); |
| |
| /* |
| * Implement fastcall to acess(read/write) registers. |
| */ |
| int tz_secure_reg_rw(tz_secure_reg reg, tz_secure_reg_ops ops, uint32_t *value); |
| |
| #endif /* __TZ_UTILS_H__ */ |
