From: Dan Williams Date: Sun, 1 May 2011 21:38:26 +0000 (-0700) Subject: isci: unify remote_device destruct_handlers X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=b8d82f6cdd0f04ddfa877d8d886e56ebd8526d25;p=GitHub%2Fmt8127%2Fandroid_kernel_alcatel_ttab.git isci: unify remote_device destruct_handlers Implement all states in scic_remote_device_destruct() and delete the state handler. Reported-by: Christoph Hellwig Signed-off-by: Dan Williams --- diff --git a/drivers/scsi/isci/remote_device.c b/drivers/scsi/isci/remote_device.c index 5141a924149c..dd66c0e8ac27 100644 --- a/drivers/scsi/isci/remote_device.c +++ b/drivers/scsi/isci/remote_device.c @@ -434,12 +434,6 @@ default_device_handler(struct scic_sds_remote_device *sci_dev, return SCI_FAILURE_INVALID_STATE; } -static enum sci_status scic_sds_remote_device_default_destruct_handler( - struct scic_sds_remote_device *sci_dev) -{ - return default_device_handler(sci_dev, __func__); -} - static enum sci_status scic_sds_remote_device_default_reset_handler( struct scic_sds_remote_device *sci_dev) { @@ -659,33 +653,6 @@ static enum sci_status scic_sds_remote_device_general_event_handler( true); } -/** - * - * @sci_dev: The struct scic_sds_remote_device which is cast into a - * struct scic_sds_remote_device. - * - * This method will destruct a struct scic_sds_remote_device that is in a stopped - * state. This is the only state from which a destruct request will succeed. - * The RNi for this struct scic_sds_remote_device is returned to the free pool and the - * device object transitions to the SCI_BASE_REMOTE_DEVICE_STATE_FINAL. - * enum sci_status SCI_SUCCESS - */ -static enum sci_status scic_sds_remote_device_stopped_state_destruct_handler( - struct scic_sds_remote_device *sci_dev) -{ - struct scic_sds_controller *scic; - - scic = scic_sds_remote_device_get_controller(sci_dev); - scic_sds_controller_free_remote_node_context(scic, sci_dev, - sci_dev->rnc.remote_node_index); - sci_dev->rnc.remote_node_index = SCIC_SDS_REMOTE_NODE_CONTEXT_INVALID_INDEX; - - sci_base_state_machine_change_state(&sci_dev->state_machine, - SCI_BASE_REMOTE_DEVICE_STATE_FINAL); - - return SCI_SUCCESS; -} - /** * * @device: The struct scic_sds_remote_device object which is cast to a @@ -1256,7 +1223,6 @@ static enum sci_status scic_sds_smp_remote_device_ready_cmd_substate_frame_handl static const struct scic_sds_remote_device_state_handler scic_sds_remote_device_state_handler_table[] = { [SCI_BASE_REMOTE_DEVICE_STATE_INITIAL] = { - .destruct_handler = scic_sds_remote_device_default_destruct_handler, .reset_handler = scic_sds_remote_device_default_reset_handler, .reset_complete_handler = scic_sds_remote_device_default_reset_complete_handler, .start_io_handler = scic_sds_remote_device_default_start_request_handler, @@ -1270,7 +1236,6 @@ static const struct scic_sds_remote_device_state_handler scic_sds_remote_device_ .frame_handler = scic_sds_remote_device_default_frame_handler }, [SCI_BASE_REMOTE_DEVICE_STATE_STOPPED] = { - .destruct_handler = scic_sds_remote_device_stopped_state_destruct_handler, .reset_handler = scic_sds_remote_device_default_reset_handler, .reset_complete_handler = scic_sds_remote_device_default_reset_complete_handler, .start_io_handler = scic_sds_remote_device_default_start_request_handler, @@ -1284,7 +1249,6 @@ static const struct scic_sds_remote_device_state_handler scic_sds_remote_device_ .frame_handler = scic_sds_remote_device_default_frame_handler }, [SCI_BASE_REMOTE_DEVICE_STATE_STARTING] = { - .destruct_handler = scic_sds_remote_device_default_destruct_handler, .reset_handler = scic_sds_remote_device_default_reset_handler, .reset_complete_handler = scic_sds_remote_device_default_reset_complete_handler, .start_io_handler = scic_sds_remote_device_default_start_request_handler, @@ -1298,7 +1262,6 @@ static const struct scic_sds_remote_device_state_handler scic_sds_remote_device_ .frame_handler = scic_sds_remote_device_default_frame_handler }, [SCI_BASE_REMOTE_DEVICE_STATE_READY] = { - .destruct_handler = scic_sds_remote_device_default_destruct_handler, .reset_handler = scic_sds_remote_device_ready_state_reset_handler, .reset_complete_handler = scic_sds_remote_device_default_reset_complete_handler, .start_io_handler = scic_sds_remote_device_ready_state_start_io_handler, @@ -1312,7 +1275,6 @@ static const struct scic_sds_remote_device_state_handler scic_sds_remote_device_ .frame_handler = scic_sds_remote_device_general_frame_handler, }, [SCIC_SDS_STP_REMOTE_DEVICE_READY_SUBSTATE_IDLE] = { - .destruct_handler = scic_sds_remote_device_default_destruct_handler, .reset_handler = scic_sds_remote_device_ready_state_reset_handler, .reset_complete_handler = scic_sds_remote_device_default_reset_complete_handler, .start_io_handler = scic_sds_stp_remote_device_ready_idle_substate_start_io_handler, @@ -1326,7 +1288,6 @@ static const struct scic_sds_remote_device_state_handler scic_sds_remote_device_ .frame_handler = scic_sds_remote_device_default_frame_handler }, [SCIC_SDS_STP_REMOTE_DEVICE_READY_SUBSTATE_CMD] = { - .destruct_handler = scic_sds_remote_device_default_destruct_handler, .reset_handler = scic_sds_remote_device_ready_state_reset_handler, .reset_complete_handler = scic_sds_remote_device_default_reset_complete_handler, .start_io_handler = scic_sds_stp_remote_device_ready_cmd_substate_start_io_handler, @@ -1340,7 +1301,6 @@ static const struct scic_sds_remote_device_state_handler scic_sds_remote_device_ .frame_handler = scic_sds_stp_remote_device_ready_cmd_substate_frame_handler }, [SCIC_SDS_STP_REMOTE_DEVICE_READY_SUBSTATE_NCQ] = { - .destruct_handler = scic_sds_remote_device_default_destruct_handler, .reset_handler = scic_sds_remote_device_ready_state_reset_handler, .reset_complete_handler = scic_sds_remote_device_default_reset_complete_handler, .start_io_handler = scic_sds_stp_remote_device_ready_ncq_substate_start_io_handler, @@ -1354,7 +1314,6 @@ static const struct scic_sds_remote_device_state_handler scic_sds_remote_device_ .frame_handler = scic_sds_stp_remote_device_ready_ncq_substate_frame_handler }, [SCIC_SDS_STP_REMOTE_DEVICE_READY_SUBSTATE_NCQ_ERROR] = { - .destruct_handler = scic_sds_remote_device_default_destruct_handler, .reset_handler = scic_sds_remote_device_ready_state_reset_handler, .reset_complete_handler = scic_sds_remote_device_default_reset_complete_handler, .start_io_handler = scic_sds_remote_device_default_start_request_handler, @@ -1368,7 +1327,6 @@ static const struct scic_sds_remote_device_state_handler scic_sds_remote_device_ .frame_handler = scic_sds_remote_device_general_frame_handler }, [SCIC_SDS_STP_REMOTE_DEVICE_READY_SUBSTATE_AWAIT_RESET] = { - .destruct_handler = scic_sds_remote_device_default_destruct_handler, .reset_handler = scic_sds_remote_device_ready_state_reset_handler, .reset_complete_handler = scic_sds_remote_device_default_reset_complete_handler, .start_io_handler = scic_sds_stp_remote_device_ready_await_reset_substate_start_io_handler, @@ -1382,7 +1340,6 @@ static const struct scic_sds_remote_device_state_handler scic_sds_remote_device_ .frame_handler = scic_sds_remote_device_general_frame_handler }, [SCIC_SDS_SMP_REMOTE_DEVICE_READY_SUBSTATE_IDLE] = { - .destruct_handler = scic_sds_remote_device_default_destruct_handler, .reset_handler = scic_sds_remote_device_default_reset_handler, .reset_complete_handler = scic_sds_remote_device_default_reset_complete_handler, .start_io_handler = scic_sds_smp_remote_device_ready_idle_substate_start_io_handler, @@ -1396,7 +1353,6 @@ static const struct scic_sds_remote_device_state_handler scic_sds_remote_device_ .frame_handler = scic_sds_remote_device_default_frame_handler }, [SCIC_SDS_SMP_REMOTE_DEVICE_READY_SUBSTATE_CMD] = { - .destruct_handler = scic_sds_remote_device_default_destruct_handler, .reset_handler = scic_sds_remote_device_default_reset_handler, .reset_complete_handler = scic_sds_remote_device_default_reset_complete_handler, .start_io_handler = scic_sds_smp_remote_device_ready_cmd_substate_start_io_handler, @@ -1410,7 +1366,6 @@ static const struct scic_sds_remote_device_state_handler scic_sds_remote_device_ .frame_handler = scic_sds_smp_remote_device_ready_cmd_substate_frame_handler }, [SCI_BASE_REMOTE_DEVICE_STATE_STOPPING] = { - .destruct_handler = scic_sds_remote_device_default_destruct_handler, .reset_handler = scic_sds_remote_device_default_reset_handler, .reset_complete_handler = scic_sds_remote_device_default_reset_complete_handler, .start_io_handler = scic_sds_remote_device_default_start_request_handler, @@ -1424,7 +1379,6 @@ static const struct scic_sds_remote_device_state_handler scic_sds_remote_device_ .frame_handler = scic_sds_remote_device_general_frame_handler }, [SCI_BASE_REMOTE_DEVICE_STATE_FAILED] = { - .destruct_handler = scic_sds_remote_device_default_destruct_handler, .reset_handler = scic_sds_remote_device_default_reset_handler, .reset_complete_handler = scic_sds_remote_device_default_reset_complete_handler, .start_io_handler = scic_sds_remote_device_default_start_request_handler, @@ -1438,7 +1392,6 @@ static const struct scic_sds_remote_device_state_handler scic_sds_remote_device_ .frame_handler = scic_sds_remote_device_general_frame_handler }, [SCI_BASE_REMOTE_DEVICE_STATE_RESETTING] = { - .destruct_handler = scic_sds_remote_device_default_destruct_handler, .reset_handler = scic_sds_remote_device_default_reset_handler, .reset_complete_handler = scic_sds_remote_device_resetting_state_reset_complete_handler, .start_io_handler = scic_sds_remote_device_default_start_request_handler, @@ -1452,7 +1405,6 @@ static const struct scic_sds_remote_device_state_handler scic_sds_remote_device_ .frame_handler = scic_sds_remote_device_general_frame_handler }, [SCI_BASE_REMOTE_DEVICE_STATE_FINAL] = { - .destruct_handler = scic_sds_remote_device_default_destruct_handler, .reset_handler = scic_sds_remote_device_default_reset_handler, .reset_complete_handler = scic_sds_remote_device_default_reset_complete_handler, .start_io_handler = scic_sds_remote_device_default_start_request_handler, @@ -1494,7 +1446,23 @@ static void scic_sds_remote_device_initial_state_enter(void *object) */ static enum sci_status scic_remote_device_destruct(struct scic_sds_remote_device *sci_dev) { - return sci_dev->state_handlers->destruct_handler(sci_dev); + struct sci_base_state_machine *sm = &sci_dev->state_machine; + enum scic_sds_remote_device_states state = sm->current_state_id; + struct scic_sds_controller *scic; + + if (state != SCI_BASE_REMOTE_DEVICE_STATE_STOPPED) { + dev_warn(scirdev_to_dev(sci_dev), "%s: in wrong state: %d\n", + __func__, state); + return SCI_FAILURE_INVALID_STATE; + } + + scic = sci_dev->owning_port->owning_controller; + scic_sds_controller_free_remote_node_context(scic, sci_dev, + sci_dev->rnc.remote_node_index); + sci_dev->rnc.remote_node_index = SCIC_SDS_REMOTE_NODE_CONTEXT_INVALID_INDEX; + sci_base_state_machine_change_state(sm, SCI_BASE_REMOTE_DEVICE_STATE_FINAL); + + return SCI_SUCCESS; } /** diff --git a/drivers/scsi/isci/remote_device.h b/drivers/scsi/isci/remote_device.h index dd8ac514cfd4..d09e3f273edb 100644 --- a/drivers/scsi/isci/remote_device.h +++ b/drivers/scsi/isci/remote_device.h @@ -386,12 +386,6 @@ typedef void (*scic_sds_remote_device_ready_not_ready_handler_t)( * */ struct scic_sds_remote_device_state_handler { - /** - * The destruct_handler specifies the method invoked when attempting to - * destruct a remote device. - */ - scic_sds_remote_device_handler_t destruct_handler; - /** * The reset handler specifies the method invloked when requesting to * reset a remote device.