tee/optee/ffa_abi.c

41 	struct tee_shm *shm;
61 	struct tee_shm *shm = NULL;
68 		shm = r->shm;
71 	return shm;
74 static int optee_shm_add_ffa_handle(struct optee *optee, struct tee_shm *shm,
83 	r->shm = shm;
126 	struct tee_shm *shm = NULL;
135 		shm = optee_shm_from_ffa_handle(optee, mp->u.fmem.global_id);
136 	p->u.memref.shm = shm;
138 	if (shm) {
192 	struct tee_shm *shm = p->u.memref.shm;
197 	if (shm) {
200 		mp->u.fmem.internal_offs = shm->offset;
208 		mp->u.fmem.global_id = shm->sec_world_id;
269 static int optee_ffa_shm_register(struct tee_context *ctx, struct tee_shm *shm,
302 	rc = optee_shm_add_ffa_handle(optee, shm, args.g_handle);
308 	shm->sec_world_id = args.g_handle;
314 				    struct tee_shm *shm)
320 	u64 global_handle = shm->sec_world_id;
329 	shm->sec_world_id = 0;
343 					 struct tee_shm *shm)
347 	u64 global_handle = shm->sec_world_id;
362 	shm->sec_world_id = 0;
375 			     struct tee_shm *shm, size_t size, size_t align)
377 	return tee_dyn_shm_alloc_helper(shm, size, align,
382 			     struct tee_shm *shm)
384 	tee_dyn_shm_free_helper(shm, optee_ffa_shm_unregister);
430 	struct tee_shm *shm;
440 		shm = optee_rpc_cmd_alloc_suppl(ctx, arg->params[0].u.value.b);
443 		shm = tee_shm_alloc_priv_buf(optee->ctx,
451 	if (IS_ERR(shm)) {
458 		.u.fmem.size = tee_shm_get_size(shm),
459 		.u.fmem.global_id = shm->sec_world_id,
460 		.u.fmem.internal_offs = shm->offset,
470 	struct tee_shm *shm;
476 	shm = optee_shm_from_ffa_handle(optee, arg->params[0].u.value.b);
477 	if (!shm)
481 		optee_rpc_cmd_free_suppl(ctx, shm);
484 		tee_shm_free(shm);
606  * @shm:	shared memory holding the message to pass to secure world
607  * @offs:	offset of the message in @shm
617 				      struct tee_shm *shm, u_int offs,
622 		.data1 = (u32)shm->sec_world_id,
623 		.data2 = (u32)(shm->sec_world_id >> 32),
632 	 * an argument struct. This is also what the shm pool allocator
636 	if (shm->offset)
639 	arg = tee_shm_get_va(shm, offs);
644 	rpc_arg = tee_shm_get_va(shm, offs + rpc_arg_offs);