122 lines
4.3 KiB
C
122 lines
4.3 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
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/*
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* Copyright (c) 2013-2020 TRUSTONIC LIMITED
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* All Rights Reserved.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* version 2 as published by the Free Software Foundation.
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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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#ifndef CLIENT_H
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#define CLIENT_H
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#include <linux/list.h>
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#include <linux/sched.h> /* TASK_COMM_LEN */
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#include "public/mc_user.h" /* many types */
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#include "main.h" /* kasnprintf_buf */
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struct tee_client;
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struct mcp_open_info;
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struct tee_mmu;
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struct interworld_session;
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/* Client */
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struct tee_client *client_create(bool is_from_kernel, const char *vm_id);
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void client_get(struct tee_client *client);
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int client_put(struct tee_client *client);
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bool client_has_sessions(struct tee_client *client);
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void client_close(struct tee_client *client);
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void client_cleanup(void);
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const char *client_vm_id(struct tee_client *client);
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/* MC */
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int client_mc_open_session(struct tee_client *client,
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const struct mc_uuid_t *uuid,
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uintptr_t tci_va, size_t tci_len, u32 *session_id);
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int client_mc_open_trustlet(struct tee_client *client,
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uintptr_t ta_va, size_t ta_len,
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uintptr_t tci_va, size_t tci_len, u32 *session_id);
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int client_mc_open_common(struct tee_client *client, struct mcp_open_info *info,
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u32 *session_id);
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int client_remove_session(struct tee_client *client, u32 session_id);
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int client_notify_session(struct tee_client *client, u32 session_id);
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int client_waitnotif_session(struct tee_client *client, u32 session_id,
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s32 timeout);
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int client_get_session_exitcode(struct tee_client *client, u32 session_id,
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s32 *exit_code);
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int client_mc_map(struct tee_client *client, u32 session_id,
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struct tee_mmu *mmu, struct mc_ioctl_buffer *buf);
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int client_mc_unmap(struct tee_client *client, u32 session_id,
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const struct mc_ioctl_buffer *buf);
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/* GP */
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int client_gp_initialize_context(struct tee_client *client,
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struct gp_return *gp_ret);
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int client_gp_register_shared_mem(struct tee_client *client,
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struct tee_mmu *mmu, u32 *sva,
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const struct gp_shared_memory *memref,
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struct gp_return *gp_ret);
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int client_gp_release_shared_mem(struct tee_client *client,
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const struct gp_shared_memory *memref);
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int client_gp_open_session(struct tee_client *client,
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const struct mc_uuid_t *uuid,
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struct tee_mmu *ta_mmu,
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struct gp_operation *operation,
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const struct mc_identity *identity,
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struct gp_return *gp_ret,
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u32 *session_id);
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int client_gp_open_session_domu(struct tee_client *client,
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const struct mc_uuid_t *uuid,
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struct tee_mmu *ta_mmu,
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u64 started,
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struct interworld_session *iws,
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struct tee_mmu **mmus,
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struct gp_return *gp_ret);
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int client_gp_close_session(struct tee_client *client, u32 session_id);
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int client_gp_invoke_command(struct tee_client *client, u32 session_id,
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u32 command_id,
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struct gp_operation *operation,
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struct gp_return *gp_ret);
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int client_gp_invoke_command_domu(struct tee_client *client, u32 session_id,
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u64 started, struct interworld_session *iws,
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struct tee_mmu **mmus,
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struct gp_return *gp_ret);
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void client_gp_request_cancellation(struct tee_client *client, u64 started);
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/* GP internal */
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struct client_gp_operation {
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struct list_head list;
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u64 started;
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u64 slot;
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int cancelled;
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};
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/* Called from session when a new operation starts/ends */
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bool client_gp_operation_add(struct tee_client *client,
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struct client_gp_operation *operation);
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void client_gp_operation_remove(struct tee_client *client,
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struct client_gp_operation *operation);
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/* MMU */
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struct tee_mmu *client_mmu_create(struct tee_client *client,
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const struct mc_ioctl_buffer *buf_in);
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/* Buffer shared with SWd at client level */
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u32 client_get_cwsm_sva(struct tee_client *client,
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const struct gp_shared_memory *memref);
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void client_put_cwsm_sva(struct tee_client *client, u32 sva);
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/* Global */
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void client_init(void);
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/* Debug */
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int clients_debug_structs(struct kasnprintf_buf *buf);
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#endif /* CLIENT_H */
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