mirror of
https://github.com/openharmony/kernel_linux_common_modules.git
synced 2026-08-27 01:31:36 -04:00
suwanghw
72 lines
2.2 KiB
C
72 lines
2.2 KiB
C
/*
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* Copyright (c) 2012-2022 Huawei Technologies Co., Ltd.
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* Description: memory init, register for mailbox pool.
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*
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* This software is licensed under the terms of the GNU General Public
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* License version 2, as published by the Free Software Foundation, and
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* may be copied, distributed, and modified under those terms.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*/
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#include "static_ion_mem.h"
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#include <linux/slab.h>
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#include <linux/uaccess.h>
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#include <linux/module.h>
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#include <linux/mempool.h>
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#include <linux/vmalloc.h>
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#ifdef DEF_ENG
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#include <asm/io.h>
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#include <linux/mman.h>
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#endif
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#include "smc_smp.h"
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#include "teek_ns_client.h"
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#include "mailbox_mempool.h"
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#include "tc_ns_log.h"
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#include "declare_static_ion.h"
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/* send the ion static memory to tee */
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int tc_ns_register_ion_mem(void)
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{
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struct tc_ns_smc_cmd smc_cmd = {{0}, 0};
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int ret = 0;
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struct mb_cmd_pack *mb_pack = NULL;
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struct register_ion_mem_tag *memtag = NULL;
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mb_pack = mailbox_alloc_cmd_pack();
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if (!mb_pack) {
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tloge("mailbox alloc failed\n");
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return -ENOMEM;
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}
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memtag = mailbox_alloc(sizeof(*memtag), 0);
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if (!memtag) {
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mailbox_free(mb_pack);
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return -ENOMEM;
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}
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set_ion_mem_info(memtag);
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smc_cmd.cmd_type = CMD_TYPE_GLOBAL;
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smc_cmd.cmd_id = GLOBAL_CMD_ID_REGISTER_ION_MEM;
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mb_pack->operation.paramtypes = TEE_PARAM_TYPE_MEMREF_INPUT;
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mb_pack->operation.params[0].memref.buffer =
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mailbox_virt_to_phys((uintptr_t)(void *)memtag);
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mb_pack->operation.buffer_h_addr[0] =
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(uint64_t)mailbox_virt_to_phys((uintptr_t)(void *)memtag) >> ADDR_TRANS_NUM;
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mb_pack->operation.params[0].memref.size = sizeof(*memtag);
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smc_cmd.operation_phys = mailbox_virt_to_phys((uintptr_t)&mb_pack->operation);
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smc_cmd.operation_h_phys =
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(uint64_t)mailbox_virt_to_phys((uintptr_t)&mb_pack->operation) >> ADDR_TRANS_NUM;
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if (tc_ns_smc(&smc_cmd)) {
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ret = -EPERM;
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tloge("send ion mem info failed\n");
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}
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mailbox_free(mb_pack);
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mailbox_free(memtag);
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return ret;
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} |