tee/optee/ffa_abi.c

42 	struct tee_shm *shm;
62 	struct tee_shm *shm = NULL;
69 		shm = r->shm;
72 	return shm;
75 static int optee_shm_add_ffa_handle(struct optee *optee, struct tee_shm *shm,
84 	r->shm = shm;
127 	struct tee_shm *shm = NULL;
136 		shm = optee_shm_from_ffa_handle(optee, mp->u.fmem.global_id);
137 	p->u.memref.shm = shm;
139 	if (shm) {
193 	struct tee_shm *shm = p->u.memref.shm;
198 	if (shm) {
201 		mp->u.fmem.internal_offs = shm->offset;
209 		mp->u.fmem.global_id = shm->sec_world_id;
270 static int optee_ffa_shm_register(struct tee_context *ctx, struct tee_shm *shm,
303 	rc = optee_shm_add_ffa_handle(optee, shm, args.g_handle);
309 	shm->sec_world_id = args.g_handle;
315 				    struct tee_shm *shm)
321 	u64 global_handle = shm->sec_world_id;
330 	shm->sec_world_id = 0;
344 					 struct tee_shm *shm)
348 	u64 global_handle = shm->sec_world_id;
363 	shm->sec_world_id = 0;
376 			     struct tee_shm *shm, size_t size, size_t align)
378 	return tee_dyn_shm_alloc_helper(shm, size, align,
383 			     struct tee_shm *shm)
385 	tee_dyn_shm_free_helper(shm, optee_ffa_shm_unregister);
431 	struct tee_shm *shm;
441 		shm = optee_rpc_cmd_alloc_suppl(ctx, arg->params[0].u.value.b);
444 		shm = tee_shm_alloc_priv_buf(optee->ctx,
452 	if (IS_ERR(shm)) {
459 		.u.fmem.size = tee_shm_get_size(shm),
460 		.u.fmem.global_id = shm->sec_world_id,
461 		.u.fmem.internal_offs = shm->offset,
471 	struct tee_shm *shm;
477 	shm = optee_shm_from_ffa_handle(optee, arg->params[0].u.value.b);
478 	if (!shm)
482 		optee_rpc_cmd_free_suppl(ctx, shm);
485 		tee_shm_free(shm);
607  * @shm:	shared memory holding the message to pass to secure world
608  * @offs:	offset of the message in @shm
618 				      struct tee_shm *shm, u_int offs,
623 		.data1 = (u32)shm->sec_world_id,
624 		.data2 = (u32)(shm->sec_world_id >> 32),
633 	 * an argument struct. This is also what the shm pool allocator
637 	if (shm->offset)
640 	arg = tee_shm_get_va(shm, offs);
645 	rpc_arg = tee_shm_get_va(shm, offs + rpc_arg_offs);