diff options
Diffstat (limited to 'drivers/tee/optee/ffa_abi.c')
-rw-r--r-- | drivers/tee/optee/ffa_abi.c | 77 |
1 files changed, 43 insertions, 34 deletions
diff --git a/drivers/tee/optee/ffa_abi.c b/drivers/tee/optee/ffa_abi.c index 20a1b1a3d965..545f61af1248 100644 --- a/drivers/tee/optee/ffa_abi.c +++ b/drivers/tee/optee/ffa_abi.c @@ -424,6 +424,7 @@ static struct tee_shm_pool_mgr *optee_ffa_shm_pool_alloc_pages(void) */ static void handle_ffa_rpc_func_cmd_shm_alloc(struct tee_context *ctx, + struct optee *optee, struct optee_msg_arg *arg) { struct tee_shm *shm; @@ -439,7 +440,7 @@ static void handle_ffa_rpc_func_cmd_shm_alloc(struct tee_context *ctx, shm = optee_rpc_cmd_alloc_suppl(ctx, arg->params[0].u.value.b); break; case OPTEE_RPC_SHM_TYPE_KERNEL: - shm = tee_shm_alloc(ctx, arg->params[0].u.value.b, + shm = tee_shm_alloc(optee->ctx, arg->params[0].u.value.b, TEE_SHM_MAPPED | TEE_SHM_PRIV); break; default: @@ -493,14 +494,13 @@ err_bad_param: } static void handle_ffa_rpc_func_cmd(struct tee_context *ctx, + struct optee *optee, struct optee_msg_arg *arg) { - struct optee *optee = tee_get_drvdata(ctx->teedev); - arg->ret_origin = TEEC_ORIGIN_COMMS; switch (arg->cmd) { case OPTEE_RPC_CMD_SHM_ALLOC: - handle_ffa_rpc_func_cmd_shm_alloc(ctx, arg); + handle_ffa_rpc_func_cmd_shm_alloc(ctx, optee, arg); break; case OPTEE_RPC_CMD_SHM_FREE: handle_ffa_rpc_func_cmd_shm_free(ctx, optee, arg); @@ -510,12 +510,12 @@ static void handle_ffa_rpc_func_cmd(struct tee_context *ctx, } } -static void optee_handle_ffa_rpc(struct tee_context *ctx, u32 cmd, - struct optee_msg_arg *arg) +static void optee_handle_ffa_rpc(struct tee_context *ctx, struct optee *optee, + u32 cmd, struct optee_msg_arg *arg) { switch (cmd) { case OPTEE_FFA_YIELDING_CALL_RETURN_RPC_CMD: - handle_ffa_rpc_func_cmd(ctx, arg); + handle_ffa_rpc_func_cmd(ctx, optee, arg); break; case OPTEE_FFA_YIELDING_CALL_RETURN_INTERRUPT: /* Interrupt delivered by now */ @@ -582,7 +582,7 @@ static int optee_ffa_yielding_call(struct tee_context *ctx, * above. */ cond_resched(); - optee_handle_ffa_rpc(ctx, data->data1, rpc_arg); + optee_handle_ffa_rpc(ctx, optee, data->data1, rpc_arg); cmd = OPTEE_FFA_YIELDING_CALL_RESUME; data->data0 = cmd; data->data1 = 0; @@ -793,7 +793,9 @@ static int optee_ffa_probe(struct ffa_device *ffa_dev) { const struct ffa_dev_ops *ffa_ops; unsigned int rpc_arg_count; + struct tee_shm_pool *pool; struct tee_device *teedev; + struct tee_context *ctx; struct optee *optee; int rc; @@ -813,12 +815,12 @@ static int optee_ffa_probe(struct ffa_device *ffa_dev) if (!optee) return -ENOMEM; - optee->pool = optee_ffa_config_dyn_shm(); - if (IS_ERR(optee->pool)) { - rc = PTR_ERR(optee->pool); - optee->pool = NULL; - goto err; + pool = optee_ffa_config_dyn_shm(); + if (IS_ERR(pool)) { + rc = PTR_ERR(pool); + goto err_free_optee; } + optee->pool = pool; optee->ops = &optee_ffa_ops; optee->ffa.ffa_dev = ffa_dev; @@ -829,7 +831,7 @@ static int optee_ffa_probe(struct ffa_device *ffa_dev) optee); if (IS_ERR(teedev)) { rc = PTR_ERR(teedev); - goto err; + goto err_free_pool; } optee->teedev = teedev; @@ -837,50 +839,57 @@ static int optee_ffa_probe(struct ffa_device *ffa_dev) optee); if (IS_ERR(teedev)) { rc = PTR_ERR(teedev); - goto err; + goto err_unreg_teedev; } optee->supp_teedev = teedev; rc = tee_device_register(optee->teedev); if (rc) - goto err; + goto err_unreg_supp_teedev; rc = tee_device_register(optee->supp_teedev); if (rc) - goto err; + goto err_unreg_supp_teedev; rc = rhashtable_init(&optee->ffa.global_ids, &shm_rhash_params); if (rc) - goto err; + goto err_unreg_supp_teedev; mutex_init(&optee->ffa.mutex); mutex_init(&optee->call_queue.mutex); INIT_LIST_HEAD(&optee->call_queue.waiters); optee_supp_init(&optee->supp); ffa_dev_set_drvdata(ffa_dev, optee); + ctx = teedev_open(optee->teedev); + if (IS_ERR(ctx)) + goto err_rhashtable_free; + optee->ctx = ctx; rc = optee_notif_init(optee, OPTEE_DEFAULT_MAX_NOTIF_VALUE); - if (rc) { - optee_ffa_remove(ffa_dev); - return rc; - } + if (rc) + goto err_close_ctx; rc = optee_enumerate_devices(PTA_CMD_GET_DEVICES); - if (rc) { - optee_ffa_remove(ffa_dev); - return rc; - } + if (rc) + goto err_unregister_devices; pr_info("initialized driver\n"); return 0; -err: - /* - * tee_device_unregister() is safe to call even if the - * devices hasn't been registered with - * tee_device_register() yet. - */ + +err_unregister_devices: + optee_unregister_devices(); + optee_notif_uninit(optee); +err_close_ctx: + teedev_close_context(ctx); +err_rhashtable_free: + rhashtable_free_and_destroy(&optee->ffa.global_ids, rh_free_fn, NULL); + optee_supp_uninit(&optee->supp); + mutex_destroy(&optee->call_queue.mutex); +err_unreg_supp_teedev: tee_device_unregister(optee->supp_teedev); +err_unreg_teedev: tee_device_unregister(optee->teedev); - if (optee->pool) - tee_shm_pool_free(optee->pool); +err_free_pool: + tee_shm_pool_free(pool); +err_free_optee: kfree(optee); return rc; } |