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https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
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isci: add some type safety to the state machine interface
Now that any given object type only has one state_machine we can use container_of() to get back to the given state machine owner. Reported-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Dan Williams <dan.j.williams@intel.com>
This commit is contained in:
Dan Williams
parent
f34d9e5d3f
commit
9269e0e898
8 changed files with 148 additions and 194 deletions
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@ -1404,17 +1404,17 @@ static void isci_user_parameters_get(
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u->max_number_concurrent_device_spin_up = max_concurr_spinup;
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}
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static void scic_sds_controller_initial_state_enter(void *object)
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static void scic_sds_controller_initial_state_enter(struct sci_base_state_machine *sm)
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{
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struct scic_sds_controller *scic = object;
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struct scic_sds_controller *scic = container_of(sm, typeof(*scic), state_machine);
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sci_base_state_machine_change_state(&scic->state_machine,
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SCI_BASE_CONTROLLER_STATE_RESET);
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}
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static inline void scic_sds_controller_starting_state_exit(void *object)
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static inline void scic_sds_controller_starting_state_exit(struct sci_base_state_machine *sm)
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{
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struct scic_sds_controller *scic = object;
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struct scic_sds_controller *scic = container_of(sm, typeof(*scic), state_machine);
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isci_timer_stop(scic->timeout_timer);
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}
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@ -1539,17 +1539,17 @@ static enum sci_status scic_controller_set_interrupt_coalescence(
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}
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static void scic_sds_controller_ready_state_enter(void *object)
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static void scic_sds_controller_ready_state_enter(struct sci_base_state_machine *sm)
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{
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struct scic_sds_controller *scic = object;
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struct scic_sds_controller *scic = container_of(sm, typeof(*scic), state_machine);
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/* set the default interrupt coalescence number and timeout value. */
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scic_controller_set_interrupt_coalescence(scic, 0x10, 250);
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}
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static void scic_sds_controller_ready_state_exit(void *object)
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static void scic_sds_controller_ready_state_exit(struct sci_base_state_machine *sm)
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{
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struct scic_sds_controller *scic = object;
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struct scic_sds_controller *scic = container_of(sm, typeof(*scic), state_machine);
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/* disable interrupt coalescence. */
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scic_controller_set_interrupt_coalescence(scic, 0, 0);
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@ -1638,9 +1638,9 @@ static enum sci_status scic_sds_controller_stop_devices(struct scic_sds_controll
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return status;
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}
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static void scic_sds_controller_stopping_state_enter(void *object)
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static void scic_sds_controller_stopping_state_enter(struct sci_base_state_machine *sm)
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{
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struct scic_sds_controller *scic = object;
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struct scic_sds_controller *scic = container_of(sm, typeof(*scic), state_machine);
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/* Stop all of the components for this controller */
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scic_sds_controller_stop_phys(scic);
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@ -1648,9 +1648,9 @@ static void scic_sds_controller_stopping_state_enter(void *object)
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scic_sds_controller_stop_devices(scic);
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}
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static void scic_sds_controller_stopping_state_exit(void *object)
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static void scic_sds_controller_stopping_state_exit(struct sci_base_state_machine *sm)
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{
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struct scic_sds_controller *scic = object;
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struct scic_sds_controller *scic = container_of(sm, typeof(*scic), state_machine);
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isci_timer_stop(scic->timeout_timer);
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}
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@ -1679,9 +1679,9 @@ static void scic_sds_controller_reset_hardware(struct scic_sds_controller *scic)
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writel(0, &scic->scu_registers->sdma.unsolicited_frame_get_pointer);
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}
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static void scic_sds_controller_resetting_state_enter(void *object)
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static void scic_sds_controller_resetting_state_enter(struct sci_base_state_machine *sm)
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{
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struct scic_sds_controller *scic = object;
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struct scic_sds_controller *scic = container_of(sm, typeof(*scic), state_machine);
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scic_sds_controller_reset_hardware(scic);
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sci_base_state_machine_change_state(&scic->state_machine,
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@ -1785,8 +1785,8 @@ static enum sci_status scic_controller_construct(struct scic_sds_controller *sci
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u8 i;
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sci_base_state_machine_construct(&scic->state_machine,
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scic, scic_sds_controller_state_table,
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SCI_BASE_CONTROLLER_STATE_INITIAL);
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scic_sds_controller_state_table,
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SCI_BASE_CONTROLLER_STATE_INITIAL);
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sci_base_state_machine_start(&scic->state_machine);
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@ -1026,81 +1026,80 @@ enum sci_status scic_sds_phy_frame_handler(struct scic_sds_phy *sci_phy,
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}
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static void scic_sds_phy_starting_initial_substate_enter(void *object)
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static void scic_sds_phy_starting_initial_substate_enter(struct sci_base_state_machine *sm)
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{
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struct scic_sds_phy *sci_phy = object;
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struct scic_sds_phy *sci_phy = container_of(sm, typeof(*sci_phy), state_machine);
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/* This is just an temporary state go off to the starting state */
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sci_base_state_machine_change_state(&sci_phy->state_machine,
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SCIC_SDS_PHY_STARTING_SUBSTATE_AWAIT_OSSP_EN);
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}
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static void scic_sds_phy_starting_await_sas_power_substate_enter(void *object)
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static void scic_sds_phy_starting_await_sas_power_substate_enter(struct sci_base_state_machine *sm)
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{
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struct scic_sds_phy *sci_phy = object;
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struct scic_sds_phy *sci_phy = container_of(sm, typeof(*sci_phy), state_machine);
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struct scic_sds_controller *scic = sci_phy->owning_port->owning_controller;
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scic_sds_controller_power_control_queue_insert(scic, sci_phy);
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}
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static void scic_sds_phy_starting_await_sas_power_substate_exit(void *object)
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static void scic_sds_phy_starting_await_sas_power_substate_exit(struct sci_base_state_machine *sm)
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{
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struct scic_sds_phy *sci_phy = object;
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struct scic_sds_phy *sci_phy = container_of(sm, typeof(*sci_phy), state_machine);
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struct scic_sds_controller *scic = sci_phy->owning_port->owning_controller;
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scic_sds_controller_power_control_queue_remove(scic, sci_phy);
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}
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static void scic_sds_phy_starting_await_sata_power_substate_enter(void *object)
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static void scic_sds_phy_starting_await_sata_power_substate_enter(struct sci_base_state_machine *sm)
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{
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struct scic_sds_phy *sci_phy = object;
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struct scic_sds_phy *sci_phy = container_of(sm, typeof(*sci_phy), state_machine);
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struct scic_sds_controller *scic = sci_phy->owning_port->owning_controller;
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scic_sds_controller_power_control_queue_insert(scic, sci_phy);
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}
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static void scic_sds_phy_starting_await_sata_power_substate_exit(void *object)
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static void scic_sds_phy_starting_await_sata_power_substate_exit(struct sci_base_state_machine *sm)
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{
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struct scic_sds_phy *sci_phy = object;
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struct scic_sds_phy *sci_phy = container_of(sm, typeof(*sci_phy), state_machine);
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struct scic_sds_controller *scic = sci_phy->owning_port->owning_controller;
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scic_sds_controller_power_control_queue_remove(scic, sci_phy);
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}
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static void scic_sds_phy_starting_await_sata_phy_substate_enter(void *object)
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static void scic_sds_phy_starting_await_sata_phy_substate_enter(struct sci_base_state_machine *sm)
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{
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struct scic_sds_phy *sci_phy = object;
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struct scic_sds_phy *sci_phy = container_of(sm, typeof(*sci_phy), state_machine);
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isci_timer_start(sci_phy->sata_timeout_timer,
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SCIC_SDS_SATA_LINK_TRAINING_TIMEOUT);
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}
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static void scic_sds_phy_starting_await_sata_phy_substate_exit(void *object)
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static void scic_sds_phy_starting_await_sata_phy_substate_exit(struct sci_base_state_machine *sm)
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{
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struct scic_sds_phy *sci_phy = object;
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struct scic_sds_phy *sci_phy = container_of(sm, typeof(*sci_phy), state_machine);
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isci_timer_stop(sci_phy->sata_timeout_timer);
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}
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static void scic_sds_phy_starting_await_sata_speed_substate_enter(void *object)
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static void scic_sds_phy_starting_await_sata_speed_substate_enter(struct sci_base_state_machine *sm)
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{
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struct scic_sds_phy *sci_phy = object;
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struct scic_sds_phy *sci_phy = container_of(sm, typeof(*sci_phy), state_machine);
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isci_timer_start(sci_phy->sata_timeout_timer,
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SCIC_SDS_SATA_LINK_TRAINING_TIMEOUT);
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}
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static void scic_sds_phy_starting_await_sata_speed_substate_exit(
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void *object)
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static void scic_sds_phy_starting_await_sata_speed_substate_exit(struct sci_base_state_machine *sm)
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{
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struct scic_sds_phy *sci_phy = object;
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struct scic_sds_phy *sci_phy = container_of(sm, typeof(*sci_phy), state_machine);
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isci_timer_stop(sci_phy->sata_timeout_timer);
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}
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static void scic_sds_phy_starting_await_sig_fis_uf_substate_enter(void *object)
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static void scic_sds_phy_starting_await_sig_fis_uf_substate_enter(struct sci_base_state_machine *sm)
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{
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struct scic_sds_phy *sci_phy = object;
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struct scic_sds_phy *sci_phy = container_of(sm, typeof(*sci_phy), state_machine);
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if (scic_sds_port_link_detected(sci_phy->owning_port, sci_phy)) {
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@ -1118,16 +1117,16 @@ static void scic_sds_phy_starting_await_sig_fis_uf_substate_enter(void *object)
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sci_phy->is_in_link_training = false;
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}
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static void scic_sds_phy_starting_await_sig_fis_uf_substate_exit(void *object)
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static void scic_sds_phy_starting_await_sig_fis_uf_substate_exit(struct sci_base_state_machine *sm)
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{
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struct scic_sds_phy *sci_phy = object;
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struct scic_sds_phy *sci_phy = container_of(sm, typeof(*sci_phy), state_machine);
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isci_timer_stop(sci_phy->sata_timeout_timer);
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}
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static void scic_sds_phy_starting_final_substate_enter(void *object)
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static void scic_sds_phy_starting_final_substate_enter(struct sci_base_state_machine *sm)
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{
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struct scic_sds_phy *sci_phy = object;
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struct scic_sds_phy *sci_phy = container_of(sm, typeof(*sci_phy), state_machine);
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/* State machine has run to completion so exit out and change
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* the base state machine to the ready state
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@ -1217,9 +1216,9 @@ static void scu_link_layer_tx_hard_reset(
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&sci_phy->link_layer_registers->phy_configuration);
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}
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static void scic_sds_phy_stopped_state_enter(void *object)
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static void scic_sds_phy_stopped_state_enter(struct sci_base_state_machine *sm)
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{
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struct scic_sds_phy *sci_phy = object;
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struct scic_sds_phy *sci_phy = container_of(sm, typeof(*sci_phy), state_machine);
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struct scic_sds_port *sci_port = sci_phy->owning_port;
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struct scic_sds_controller *scic = sci_port->owning_controller;
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struct isci_host *ihost = scic_to_ihost(scic);
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@ -1242,9 +1241,9 @@ static void scic_sds_phy_stopped_state_enter(void *object)
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sci_phy);
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}
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static void scic_sds_phy_starting_state_enter(void *object)
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static void scic_sds_phy_starting_state_enter(struct sci_base_state_machine *sm)
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{
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struct scic_sds_phy *sci_phy = object;
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struct scic_sds_phy *sci_phy = container_of(sm, typeof(*sci_phy), state_machine);
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scu_link_layer_stop_protocol_engine(sci_phy);
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scu_link_layer_start_oob(sci_phy);
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@ -1262,9 +1261,9 @@ static void scic_sds_phy_starting_state_enter(void *object)
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SCIC_SDS_PHY_STARTING_SUBSTATE_INITIAL);
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}
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static void scic_sds_phy_ready_state_enter(void *object)
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static void scic_sds_phy_ready_state_enter(struct sci_base_state_machine *sm)
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{
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struct scic_sds_phy *sci_phy = object;
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struct scic_sds_phy *sci_phy = container_of(sm, typeof(*sci_phy), state_machine);
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scic_sds_controller_link_up(scic_sds_phy_get_controller(sci_phy),
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phy_get_non_dummy_port(sci_phy),
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@ -1272,16 +1271,16 @@ static void scic_sds_phy_ready_state_enter(void *object)
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}
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static void scic_sds_phy_ready_state_exit(void *object)
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static void scic_sds_phy_ready_state_exit(struct sci_base_state_machine *sm)
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{
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struct scic_sds_phy *sci_phy = object;
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struct scic_sds_phy *sci_phy = container_of(sm, typeof(*sci_phy), state_machine);
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scic_sds_phy_suspend(sci_phy);
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}
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static void scic_sds_phy_resetting_state_enter(void *object)
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static void scic_sds_phy_resetting_state_enter(struct sci_base_state_machine *sm)
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{
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struct scic_sds_phy *sci_phy = object;
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struct scic_sds_phy *sci_phy = container_of(sm, typeof(*sci_phy), state_machine);
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/* The phy is being reset, therefore deactivate it from the port. In
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* the resetting state we don't notify the user regarding link up and
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@ -1351,7 +1350,6 @@ void scic_sds_phy_construct(struct scic_sds_phy *sci_phy,
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struct scic_sds_port *owning_port, u8 phy_index)
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{
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sci_base_state_machine_construct(&sci_phy->state_machine,
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sci_phy,
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scic_sds_phy_state_table,
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SCI_BASE_PHY_STATE_INITIAL);
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@ -1133,9 +1133,9 @@ scic_sds_port_resume_port_task_scheduler(struct scic_sds_port *port)
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writel(pts_control_value, &port->port_task_scheduler_registers->control);
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}
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static void scic_sds_port_ready_substate_waiting_enter(void *object)
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static void scic_sds_port_ready_substate_waiting_enter(struct sci_base_state_machine *sm)
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{
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struct scic_sds_port *sci_port = object;
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struct scic_sds_port *sci_port = container_of(sm, typeof(*sci_port), state_machine);
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scic_sds_port_suspend_port_task_scheduler(sci_port);
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@ -1148,10 +1148,10 @@ static void scic_sds_port_ready_substate_waiting_enter(void *object)
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}
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}
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static void scic_sds_port_ready_substate_operational_enter(void *object)
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static void scic_sds_port_ready_substate_operational_enter(struct sci_base_state_machine *sm)
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{
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u32 index;
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struct scic_sds_port *sci_port = object;
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struct scic_sds_port *sci_port = container_of(sm, typeof(*sci_port), state_machine);
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struct scic_sds_controller *scic = sci_port->owning_controller;
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struct isci_host *ihost = scic_to_ihost(scic);
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struct isci_port *iport = sci_port_to_iport(sci_port);
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@ -1210,9 +1210,9 @@ static void scic_sds_port_invalidate_dummy_remote_node(struct scic_sds_port *sci
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* exiting the SCIC_SDS_PORT_READY_SUBSTATE_OPERATIONAL. This function reports
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* the port not ready and suspends the port task scheduler. none
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*/
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static void scic_sds_port_ready_substate_operational_exit(void *object)
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static void scic_sds_port_ready_substate_operational_exit(struct sci_base_state_machine *sm)
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{
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struct scic_sds_port *sci_port = object;
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struct scic_sds_port *sci_port = container_of(sm, typeof(*sci_port), state_machine);
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struct scic_sds_controller *scic = sci_port->owning_controller;
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struct isci_host *ihost = scic_to_ihost(scic);
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struct isci_port *iport = sci_port_to_iport(sci_port);
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@ -1230,9 +1230,9 @@ static void scic_sds_port_ready_substate_operational_exit(void *object)
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scic_sds_port_invalidate_dummy_remote_node(sci_port);
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}
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static void scic_sds_port_ready_substate_configuring_enter(void *object)
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static void scic_sds_port_ready_substate_configuring_enter(struct sci_base_state_machine *sm)
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{
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struct scic_sds_port *sci_port = object;
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struct scic_sds_port *sci_port = container_of(sm, typeof(*sci_port), state_machine);
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struct scic_sds_controller *scic = sci_port->owning_controller;
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struct isci_host *ihost = scic_to_ihost(scic);
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struct isci_port *iport = sci_port_to_iport(sci_port);
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@ -1247,9 +1247,9 @@ static void scic_sds_port_ready_substate_configuring_enter(void *object)
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SCIC_SDS_PORT_READY_SUBSTATE_OPERATIONAL);
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}
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static void scic_sds_port_ready_substate_configuring_exit(void *object)
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static void scic_sds_port_ready_substate_configuring_exit(struct sci_base_state_machine *sm)
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{
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struct scic_sds_port *sci_port = object;
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struct scic_sds_port *sci_port = container_of(sm, typeof(*sci_port), state_machine);
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|
||||
scic_sds_port_suspend_port_task_scheduler(sci_port);
|
||||
if (sci_port->ready_exit)
|
||||
|
|
@ -1710,9 +1710,9 @@ static void scic_sds_port_post_dummy_remote_node(struct scic_sds_port *sci_port)
|
|||
scic_sds_controller_post_request(scic, command);
|
||||
}
|
||||
|
||||
static void scic_sds_port_stopped_state_enter(void *object)
|
||||
static void scic_sds_port_stopped_state_enter(struct sci_base_state_machine *sm)
|
||||
{
|
||||
struct scic_sds_port *sci_port = object;
|
||||
struct scic_sds_port *sci_port = container_of(sm, typeof(*sci_port), state_machine);
|
||||
|
||||
if (sci_port->state_machine.previous_state_id == SCI_BASE_PORT_STATE_STOPPING) {
|
||||
/*
|
||||
|
|
@ -1723,17 +1723,17 @@ static void scic_sds_port_stopped_state_enter(void *object)
|
|||
}
|
||||
}
|
||||
|
||||
static void scic_sds_port_stopped_state_exit(void *object)
|
||||
static void scic_sds_port_stopped_state_exit(struct sci_base_state_machine *sm)
|
||||
{
|
||||
struct scic_sds_port *sci_port = object;
|
||||
struct scic_sds_port *sci_port = container_of(sm, typeof(*sci_port), state_machine);
|
||||
|
||||
/* Enable and suspend the port task scheduler */
|
||||
scic_sds_port_enable_port_task_scheduler(sci_port);
|
||||
}
|
||||
|
||||
static void scic_sds_port_ready_state_enter(void *object)
|
||||
static void scic_sds_port_ready_state_enter(struct sci_base_state_machine *sm)
|
||||
{
|
||||
struct scic_sds_port *sci_port = object;
|
||||
struct scic_sds_port *sci_port = container_of(sm, typeof(*sci_port), state_machine);
|
||||
struct scic_sds_controller *scic = sci_port->owning_controller;
|
||||
struct isci_host *ihost = scic_to_ihost(scic);
|
||||
struct isci_port *iport = sci_port_to_iport(sci_port);
|
||||
|
|
@ -1753,25 +1753,25 @@ static void scic_sds_port_ready_state_enter(void *object)
|
|||
SCIC_SDS_PORT_READY_SUBSTATE_WAITING);
|
||||
}
|
||||
|
||||
static void scic_sds_port_resetting_state_exit(void *object)
|
||||
static void scic_sds_port_resetting_state_exit(struct sci_base_state_machine *sm)
|
||||
{
|
||||
struct scic_sds_port *sci_port = object;
|
||||
struct scic_sds_port *sci_port = container_of(sm, typeof(*sci_port), state_machine);
|
||||
|
||||
isci_timer_stop(sci_port->timer_handle);
|
||||
}
|
||||
|
||||
static void scic_sds_port_stopping_state_exit(void *object)
|
||||
static void scic_sds_port_stopping_state_exit(struct sci_base_state_machine *sm)
|
||||
{
|
||||
struct scic_sds_port *sci_port = object;
|
||||
struct scic_sds_port *sci_port = container_of(sm, typeof(*sci_port), state_machine);
|
||||
|
||||
isci_timer_stop(sci_port->timer_handle);
|
||||
|
||||
scic_sds_port_destroy_dummy_resources(sci_port);
|
||||
}
|
||||
|
||||
static void scic_sds_port_failed_state_enter(void *object)
|
||||
static void scic_sds_port_failed_state_enter(struct sci_base_state_machine *sm)
|
||||
{
|
||||
struct scic_sds_port *sci_port = object;
|
||||
struct scic_sds_port *sci_port = container_of(sm, typeof(*sci_port), state_machine);
|
||||
struct isci_port *iport = sci_port_to_iport(sci_port);
|
||||
|
||||
isci_port_hard_reset_complete(iport, SCI_FAILURE_TIMEOUT);
|
||||
|
|
@ -1813,7 +1813,6 @@ void scic_sds_port_construct(struct scic_sds_port *sci_port, u8 index,
|
|||
struct scic_sds_controller *scic)
|
||||
{
|
||||
sci_base_state_machine_construct(&sci_port->state_machine,
|
||||
sci_port,
|
||||
scic_sds_port_state_table,
|
||||
SCI_BASE_PORT_STATE_STOPPED);
|
||||
|
||||
|
|
|
|||
|
|
@ -807,9 +807,9 @@ static void scic_sds_stp_remote_device_ready_idle_substate_resume_complete_handl
|
|||
isci_remote_device_ready(scic_to_ihost(scic), idev);
|
||||
}
|
||||
|
||||
static void scic_sds_remote_device_initial_state_enter(void *object)
|
||||
static void scic_sds_remote_device_initial_state_enter(struct sci_base_state_machine *sm)
|
||||
{
|
||||
struct scic_sds_remote_device *sci_dev = object;
|
||||
struct scic_sds_remote_device *sci_dev = container_of(sm, typeof(*sci_dev), state_machine);
|
||||
|
||||
/* Initial state is a transitional state to the stopped state */
|
||||
sci_base_state_machine_change_state(&sci_dev->state_machine,
|
||||
|
|
@ -904,9 +904,9 @@ static void isci_remote_device_stop_complete(struct isci_host *ihost,
|
|||
isci_remote_device_deconstruct(ihost, idev);
|
||||
}
|
||||
|
||||
static void scic_sds_remote_device_stopped_state_enter(void *object)
|
||||
static void scic_sds_remote_device_stopped_state_enter(struct sci_base_state_machine *sm)
|
||||
{
|
||||
struct scic_sds_remote_device *sci_dev = object;
|
||||
struct scic_sds_remote_device *sci_dev = container_of(sm, typeof(*sci_dev), state_machine);
|
||||
struct scic_sds_controller *scic = sci_dev->owning_port->owning_controller;
|
||||
struct isci_remote_device *idev = sci_dev_to_idev(sci_dev);
|
||||
u32 prev_state;
|
||||
|
|
@ -921,9 +921,9 @@ static void scic_sds_remote_device_stopped_state_enter(void *object)
|
|||
scic_sds_controller_remote_device_stopped(scic, sci_dev);
|
||||
}
|
||||
|
||||
static void scic_sds_remote_device_starting_state_enter(void *object)
|
||||
static void scic_sds_remote_device_starting_state_enter(struct sci_base_state_machine *sm)
|
||||
{
|
||||
struct scic_sds_remote_device *sci_dev = object;
|
||||
struct scic_sds_remote_device *sci_dev = container_of(sm, typeof(*sci_dev), state_machine);
|
||||
struct scic_sds_controller *scic = scic_sds_remote_device_get_controller(sci_dev);
|
||||
struct isci_host *ihost = scic_to_ihost(scic);
|
||||
struct isci_remote_device *idev = sci_dev_to_idev(sci_dev);
|
||||
|
|
@ -932,9 +932,9 @@ static void scic_sds_remote_device_starting_state_enter(void *object)
|
|||
SCIC_REMOTE_DEVICE_NOT_READY_START_REQUESTED);
|
||||
}
|
||||
|
||||
static void scic_sds_remote_device_ready_state_enter(void *object)
|
||||
static void scic_sds_remote_device_ready_state_enter(struct sci_base_state_machine *sm)
|
||||
{
|
||||
struct scic_sds_remote_device *sci_dev = object;
|
||||
struct scic_sds_remote_device *sci_dev = container_of(sm, typeof(*sci_dev), state_machine);
|
||||
struct scic_sds_controller *scic = sci_dev->owning_port->owning_controller;
|
||||
struct isci_remote_device *idev = sci_dev_to_idev(sci_dev);
|
||||
struct domain_device *dev = idev->domain_dev;
|
||||
|
|
@ -951,9 +951,9 @@ static void scic_sds_remote_device_ready_state_enter(void *object)
|
|||
isci_remote_device_ready(scic_to_ihost(scic), idev);
|
||||
}
|
||||
|
||||
static void scic_sds_remote_device_ready_state_exit(void *object)
|
||||
static void scic_sds_remote_device_ready_state_exit(struct sci_base_state_machine *sm)
|
||||
{
|
||||
struct scic_sds_remote_device *sci_dev = object;
|
||||
struct scic_sds_remote_device *sci_dev = container_of(sm, typeof(*sci_dev), state_machine);
|
||||
struct domain_device *dev = sci_dev_to_domain(sci_dev);
|
||||
|
||||
if (dev->dev_type == SAS_END_DEV) {
|
||||
|
|
@ -965,24 +965,24 @@ static void scic_sds_remote_device_ready_state_exit(void *object)
|
|||
}
|
||||
}
|
||||
|
||||
static void scic_sds_remote_device_resetting_state_enter(void *object)
|
||||
static void scic_sds_remote_device_resetting_state_enter(struct sci_base_state_machine *sm)
|
||||
{
|
||||
struct scic_sds_remote_device *sci_dev = object;
|
||||
struct scic_sds_remote_device *sci_dev = container_of(sm, typeof(*sci_dev), state_machine);
|
||||
|
||||
scic_sds_remote_node_context_suspend(
|
||||
&sci_dev->rnc, SCI_SOFTWARE_SUSPENSION, NULL, NULL);
|
||||
}
|
||||
|
||||
static void scic_sds_remote_device_resetting_state_exit(void *object)
|
||||
static void scic_sds_remote_device_resetting_state_exit(struct sci_base_state_machine *sm)
|
||||
{
|
||||
struct scic_sds_remote_device *sci_dev = object;
|
||||
struct scic_sds_remote_device *sci_dev = container_of(sm, typeof(*sci_dev), state_machine);
|
||||
|
||||
scic_sds_remote_node_context_resume(&sci_dev->rnc, NULL, NULL);
|
||||
}
|
||||
|
||||
static void scic_sds_stp_remote_device_ready_idle_substate_enter(void *object)
|
||||
static void scic_sds_stp_remote_device_ready_idle_substate_enter(struct sci_base_state_machine *sm)
|
||||
{
|
||||
struct scic_sds_remote_device *sci_dev = object;
|
||||
struct scic_sds_remote_device *sci_dev = container_of(sm, typeof(*sci_dev), state_machine);
|
||||
|
||||
sci_dev->working_request = NULL;
|
||||
if (scic_sds_remote_node_context_is_ready(&sci_dev->rnc)) {
|
||||
|
|
@ -997,9 +997,9 @@ static void scic_sds_stp_remote_device_ready_idle_substate_enter(void *object)
|
|||
}
|
||||
}
|
||||
|
||||
static void scic_sds_stp_remote_device_ready_cmd_substate_enter(void *object)
|
||||
static void scic_sds_stp_remote_device_ready_cmd_substate_enter(struct sci_base_state_machine *sm)
|
||||
{
|
||||
struct scic_sds_remote_device *sci_dev = object;
|
||||
struct scic_sds_remote_device *sci_dev = container_of(sm, typeof(*sci_dev), state_machine);
|
||||
struct scic_sds_controller *scic = scic_sds_remote_device_get_controller(sci_dev);
|
||||
|
||||
BUG_ON(sci_dev->working_request == NULL);
|
||||
|
|
@ -1008,9 +1008,9 @@ static void scic_sds_stp_remote_device_ready_cmd_substate_enter(void *object)
|
|||
SCIC_REMOTE_DEVICE_NOT_READY_SATA_REQUEST_STARTED);
|
||||
}
|
||||
|
||||
static void scic_sds_stp_remote_device_ready_ncq_error_substate_enter(void *object)
|
||||
static void scic_sds_stp_remote_device_ready_ncq_error_substate_enter(struct sci_base_state_machine *sm)
|
||||
{
|
||||
struct scic_sds_remote_device *sci_dev = object;
|
||||
struct scic_sds_remote_device *sci_dev = container_of(sm, typeof(*sci_dev), state_machine);
|
||||
struct scic_sds_controller *scic = scic_sds_remote_device_get_controller(sci_dev);
|
||||
struct isci_remote_device *idev = sci_dev_to_idev(sci_dev);
|
||||
|
||||
|
|
@ -1019,17 +1019,17 @@ static void scic_sds_stp_remote_device_ready_ncq_error_substate_enter(void *obje
|
|||
sci_dev->not_ready_reason);
|
||||
}
|
||||
|
||||
static void scic_sds_smp_remote_device_ready_idle_substate_enter(void *object)
|
||||
static void scic_sds_smp_remote_device_ready_idle_substate_enter(struct sci_base_state_machine *sm)
|
||||
{
|
||||
struct scic_sds_remote_device *sci_dev = object;
|
||||
struct scic_sds_remote_device *sci_dev = container_of(sm, typeof(*sci_dev), state_machine);
|
||||
struct scic_sds_controller *scic = scic_sds_remote_device_get_controller(sci_dev);
|
||||
|
||||
isci_remote_device_ready(scic_to_ihost(scic), sci_dev_to_idev(sci_dev));
|
||||
}
|
||||
|
||||
static void scic_sds_smp_remote_device_ready_cmd_substate_enter(void *object)
|
||||
static void scic_sds_smp_remote_device_ready_cmd_substate_enter(struct sci_base_state_machine *sm)
|
||||
{
|
||||
struct scic_sds_remote_device *sci_dev = object;
|
||||
struct scic_sds_remote_device *sci_dev = container_of(sm, typeof(*sci_dev), state_machine);
|
||||
struct scic_sds_controller *scic = scic_sds_remote_device_get_controller(sci_dev);
|
||||
|
||||
BUG_ON(sci_dev->working_request == NULL);
|
||||
|
|
@ -1038,9 +1038,9 @@ static void scic_sds_smp_remote_device_ready_cmd_substate_enter(void *object)
|
|||
SCIC_REMOTE_DEVICE_NOT_READY_SMP_REQUEST_STARTED);
|
||||
}
|
||||
|
||||
static void scic_sds_smp_remote_device_ready_cmd_substate_exit(void *object)
|
||||
static void scic_sds_smp_remote_device_ready_cmd_substate_exit(struct sci_base_state_machine *sm)
|
||||
{
|
||||
struct scic_sds_remote_device *sci_dev = object;
|
||||
struct scic_sds_remote_device *sci_dev = container_of(sm, typeof(*sci_dev), state_machine);
|
||||
|
||||
sci_dev->working_request = NULL;
|
||||
}
|
||||
|
|
@ -1102,16 +1102,11 @@ static void scic_remote_device_construct(struct scic_sds_port *sci_port,
|
|||
sci_dev->owning_port = sci_port;
|
||||
sci_dev->started_request_count = 0;
|
||||
|
||||
sci_base_state_machine_construct(
|
||||
&sci_dev->state_machine,
|
||||
sci_dev,
|
||||
scic_sds_remote_device_state_table,
|
||||
SCI_BASE_REMOTE_DEVICE_STATE_INITIAL
|
||||
);
|
||||
sci_base_state_machine_construct(&sci_dev->state_machine,
|
||||
scic_sds_remote_device_state_table,
|
||||
SCI_BASE_REMOTE_DEVICE_STATE_INITIAL);
|
||||
|
||||
sci_base_state_machine_start(
|
||||
&sci_dev->state_machine
|
||||
);
|
||||
sci_base_state_machine_start(&sci_dev->state_machine);
|
||||
|
||||
scic_sds_remote_node_context_construct(&sci_dev->rnc,
|
||||
SCIC_SDS_REMOTE_NODE_CONTEXT_INVALID_INDEX);
|
||||
|
|
|
|||
|
|
@ -266,10 +266,9 @@ static void scic_sds_remote_node_context_invalidate_context_buffer(
|
|||
SCU_CONTEXT_COMMAND_POST_RNC_INVALIDATE);
|
||||
}
|
||||
|
||||
static void scic_sds_remote_node_context_initial_state_enter(void *object)
|
||||
static void scic_sds_remote_node_context_initial_state_enter(struct sci_base_state_machine *sm)
|
||||
{
|
||||
struct scic_sds_remote_node_context *rnc = object;
|
||||
struct sci_base_state_machine *sm = &rnc->state_machine;
|
||||
struct scic_sds_remote_node_context *rnc = container_of(sm, typeof(*rnc), state_machine);
|
||||
|
||||
/* Check to see if we have gotten back to the initial state because
|
||||
* someone requested to destroy the remote node context object.
|
||||
|
|
@ -280,23 +279,23 @@ static void scic_sds_remote_node_context_initial_state_enter(void *object)
|
|||
}
|
||||
}
|
||||
|
||||
static void scic_sds_remote_node_context_posting_state_enter(void *object)
|
||||
static void scic_sds_remote_node_context_posting_state_enter(struct sci_base_state_machine *sm)
|
||||
{
|
||||
struct scic_sds_remote_node_context *sci_rnc = object;
|
||||
struct scic_sds_remote_node_context *sci_rnc = container_of(sm, typeof(*sci_rnc), state_machine);
|
||||
|
||||
scic_sds_remote_node_context_validate_context_buffer(sci_rnc);
|
||||
}
|
||||
|
||||
static void scic_sds_remote_node_context_invalidating_state_enter(void *object)
|
||||
static void scic_sds_remote_node_context_invalidating_state_enter(struct sci_base_state_machine *sm)
|
||||
{
|
||||
struct scic_sds_remote_node_context *rnc = object;
|
||||
struct scic_sds_remote_node_context *rnc = container_of(sm, typeof(*rnc), state_machine);
|
||||
|
||||
scic_sds_remote_node_context_invalidate_context_buffer(rnc);
|
||||
}
|
||||
|
||||
static void scic_sds_remote_node_context_resuming_state_enter(void *object)
|
||||
static void scic_sds_remote_node_context_resuming_state_enter(struct sci_base_state_machine *sm)
|
||||
{
|
||||
struct scic_sds_remote_node_context *rnc = object;
|
||||
struct scic_sds_remote_node_context *rnc = container_of(sm, typeof(*rnc), state_machine);
|
||||
struct scic_sds_remote_device *sci_dev;
|
||||
struct domain_device *dev;
|
||||
|
||||
|
|
@ -317,9 +316,9 @@ static void scic_sds_remote_node_context_resuming_state_enter(void *object)
|
|||
scic_sds_remote_device_post_request(sci_dev, SCU_CONTEXT_COMMAND_POST_RNC_RESUME);
|
||||
}
|
||||
|
||||
static void scic_sds_remote_node_context_ready_state_enter(void *object)
|
||||
static void scic_sds_remote_node_context_ready_state_enter(struct sci_base_state_machine *sm)
|
||||
{
|
||||
struct scic_sds_remote_node_context *rnc = object;
|
||||
struct scic_sds_remote_node_context *rnc = container_of(sm, typeof(*rnc), state_machine);
|
||||
|
||||
rnc->destination_state = SCIC_SDS_REMOTE_NODE_DESTINATION_STATE_UNSPECIFIED;
|
||||
|
||||
|
|
@ -327,17 +326,16 @@ static void scic_sds_remote_node_context_ready_state_enter(void *object)
|
|||
scic_sds_remote_node_context_notify_user(rnc);
|
||||
}
|
||||
|
||||
static void scic_sds_remote_node_context_tx_suspended_state_enter(void *object)
|
||||
static void scic_sds_remote_node_context_tx_suspended_state_enter(struct sci_base_state_machine *sm)
|
||||
{
|
||||
struct scic_sds_remote_node_context *rnc = object;
|
||||
struct scic_sds_remote_node_context *rnc = container_of(sm, typeof(*rnc), state_machine);
|
||||
|
||||
scic_sds_remote_node_context_continue_state_transitions(rnc);
|
||||
}
|
||||
|
||||
static void scic_sds_remote_node_context_tx_rx_suspended_state_enter(
|
||||
void *object)
|
||||
static void scic_sds_remote_node_context_tx_rx_suspended_state_enter(struct sci_base_state_machine *sm)
|
||||
{
|
||||
struct scic_sds_remote_node_context *rnc = object;
|
||||
struct scic_sds_remote_node_context *rnc = container_of(sm, typeof(*rnc), state_machine);
|
||||
|
||||
scic_sds_remote_node_context_continue_state_transitions(rnc);
|
||||
}
|
||||
|
|
@ -375,12 +373,9 @@ void scic_sds_remote_node_context_construct(struct scic_sds_remote_node_context
|
|||
rnc->remote_node_index = remote_node_index;
|
||||
rnc->destination_state = SCIC_SDS_REMOTE_NODE_DESTINATION_STATE_UNSPECIFIED;
|
||||
|
||||
sci_base_state_machine_construct(
|
||||
&rnc->state_machine,
|
||||
rnc,
|
||||
scic_sds_remote_node_context_state_table,
|
||||
SCIC_SDS_REMOTE_NODE_CONTEXT_INITIAL_STATE
|
||||
);
|
||||
sci_base_state_machine_construct(&rnc->state_machine,
|
||||
scic_sds_remote_node_context_state_table,
|
||||
SCIC_SDS_REMOTE_NODE_CONTEXT_INITIAL_STATE);
|
||||
|
||||
sci_base_state_machine_start(&rnc->state_machine);
|
||||
}
|
||||
|
|
|
|||
|
|
@ -2900,10 +2900,9 @@ static void isci_request_io_request_complete(struct isci_host *isci_host,
|
|||
isci_host_can_dequeue(isci_host, 1);
|
||||
}
|
||||
|
||||
static void scic_sds_request_started_state_enter(void *object)
|
||||
static void scic_sds_request_started_state_enter(struct sci_base_state_machine *sm)
|
||||
{
|
||||
struct scic_sds_request *sci_req = object;
|
||||
struct sci_base_state_machine *sm = &sci_req->state_machine;
|
||||
struct scic_sds_request *sci_req = container_of(sm, typeof(*sci_req), state_machine);
|
||||
struct isci_request *ireq = sci_req_to_ireq(sci_req);
|
||||
struct domain_device *dev = sci_dev_to_domain(sci_req->target_device);
|
||||
struct sas_task *task;
|
||||
|
|
@ -2942,9 +2941,9 @@ static void scic_sds_request_started_state_enter(void *object)
|
|||
}
|
||||
}
|
||||
|
||||
static void scic_sds_request_completed_state_enter(void *object)
|
||||
static void scic_sds_request_completed_state_enter(struct sci_base_state_machine *sm)
|
||||
{
|
||||
struct scic_sds_request *sci_req = object;
|
||||
struct scic_sds_request *sci_req = container_of(sm, typeof(*sci_req), state_machine);
|
||||
struct scic_sds_controller *scic = sci_req->owning_controller;
|
||||
struct isci_host *ihost = scic_to_ihost(scic);
|
||||
struct isci_request *ireq = sci_req_to_ireq(sci_req);
|
||||
|
|
@ -2957,42 +2956,41 @@ static void scic_sds_request_completed_state_enter(void *object)
|
|||
isci_task_request_complete(ihost, ireq, sci_req->sci_status);
|
||||
}
|
||||
|
||||
static void scic_sds_request_aborting_state_enter(void *object)
|
||||
static void scic_sds_request_aborting_state_enter(struct sci_base_state_machine *sm)
|
||||
{
|
||||
struct scic_sds_request *sci_req = object;
|
||||
struct scic_sds_request *sci_req = container_of(sm, typeof(*sci_req), state_machine);
|
||||
|
||||
/* Setting the abort bit in the Task Context is required by the silicon. */
|
||||
sci_req->task_context_buffer->abort = 1;
|
||||
}
|
||||
|
||||
static void scic_sds_stp_request_started_non_data_await_h2d_completion_enter(
|
||||
void *object)
|
||||
static void scic_sds_stp_request_started_non_data_await_h2d_completion_enter(struct sci_base_state_machine *sm)
|
||||
{
|
||||
struct scic_sds_request *sci_req = object;
|
||||
struct scic_sds_request *sci_req = container_of(sm, typeof(*sci_req), state_machine);
|
||||
|
||||
scic_sds_remote_device_set_working_request(sci_req->target_device,
|
||||
sci_req);
|
||||
}
|
||||
|
||||
static void scic_sds_stp_request_started_pio_await_h2d_completion_enter(void *object)
|
||||
static void scic_sds_stp_request_started_pio_await_h2d_completion_enter(struct sci_base_state_machine *sm)
|
||||
{
|
||||
struct scic_sds_request *sci_req = object;
|
||||
struct scic_sds_request *sci_req = container_of(sm, typeof(*sci_req), state_machine);
|
||||
|
||||
scic_sds_remote_device_set_working_request(sci_req->target_device,
|
||||
sci_req);
|
||||
}
|
||||
|
||||
static void scic_sds_stp_request_started_soft_reset_await_h2d_asserted_completion_enter(void *object)
|
||||
static void scic_sds_stp_request_started_soft_reset_await_h2d_asserted_completion_enter(struct sci_base_state_machine *sm)
|
||||
{
|
||||
struct scic_sds_request *sci_req = object;
|
||||
struct scic_sds_request *sci_req = container_of(sm, typeof(*sci_req), state_machine);
|
||||
|
||||
scic_sds_remote_device_set_working_request(sci_req->target_device,
|
||||
sci_req);
|
||||
}
|
||||
|
||||
static void scic_sds_stp_request_started_soft_reset_await_h2d_diagnostic_completion_enter(void *object)
|
||||
static void scic_sds_stp_request_started_soft_reset_await_h2d_diagnostic_completion_enter(struct sci_base_state_machine *sm)
|
||||
{
|
||||
struct scic_sds_request *sci_req = object;
|
||||
struct scic_sds_request *sci_req = container_of(sm, typeof(*sci_req), state_machine);
|
||||
struct scu_task_context *task_context;
|
||||
struct host_to_dev_fis *h2d_fis;
|
||||
enum sci_status status;
|
||||
|
|
@ -3052,8 +3050,9 @@ static void scic_sds_general_request_construct(struct scic_sds_controller *scic,
|
|||
struct scic_sds_remote_device *sci_dev,
|
||||
u16 io_tag, struct scic_sds_request *sci_req)
|
||||
{
|
||||
sci_base_state_machine_construct(&sci_req->state_machine, sci_req,
|
||||
scic_sds_request_state_table, SCI_BASE_REQUEST_STATE_INITIAL);
|
||||
sci_base_state_machine_construct(&sci_req->state_machine,
|
||||
scic_sds_request_state_table,
|
||||
SCI_BASE_REQUEST_STATE_INITIAL);
|
||||
sci_base_state_machine_start(&sci_req->state_machine);
|
||||
|
||||
sci_req->io_tag = io_tag;
|
||||
|
|
|
|||
|
|
@ -68,7 +68,7 @@ static void sci_state_machine_exit_state(struct sci_base_state_machine *sm)
|
|||
sci_state_transition_t exit = sm->state_table[state].exit_state;
|
||||
|
||||
if (exit)
|
||||
exit(sm->state_machine_owner);
|
||||
exit(sm);
|
||||
}
|
||||
|
||||
static void sci_state_machine_enter_state(struct sci_base_state_machine *sm)
|
||||
|
|
@ -77,22 +77,15 @@ static void sci_state_machine_enter_state(struct sci_base_state_machine *sm)
|
|||
sci_state_transition_t enter = sm->state_table[state].enter_state;
|
||||
|
||||
if (enter)
|
||||
enter(sm->state_machine_owner);
|
||||
enter(sm);
|
||||
}
|
||||
|
||||
/*
|
||||
* ******************************************************************************
|
||||
* * P R O T E C T E D M E T H O D S
|
||||
* ****************************************************************************** */
|
||||
|
||||
/**
|
||||
* This method will set the initial state and state table for the state
|
||||
* machine. The caller should follow this request with the initialize
|
||||
* request to cause the state machine to start.
|
||||
* @sm: This parameter provides the state machine object to be
|
||||
* constructed.
|
||||
* @state_machine_owner: This parameter indicates the object that is owns the
|
||||
* state machine being constructed.
|
||||
* @state_table: This parameter specifies the table of state objects that is
|
||||
* managed by this state machine.
|
||||
* @initial_state: This parameter specifies the value of the initial state for
|
||||
|
|
@ -100,11 +93,9 @@ static void sci_state_machine_enter_state(struct sci_base_state_machine *sm)
|
|||
*
|
||||
*/
|
||||
void sci_base_state_machine_construct(struct sci_base_state_machine *sm,
|
||||
void *owner,
|
||||
const struct sci_base_state *state_table,
|
||||
u32 initial_state)
|
||||
{
|
||||
sm->state_machine_owner = owner;
|
||||
sm->initial_state_id = initial_state;
|
||||
sm->previous_state_id = initial_state;
|
||||
sm->current_state_id = initial_state;
|
||||
|
|
|
|||
|
|
@ -58,9 +58,9 @@
|
|||
|
||||
#include <linux/types.h>
|
||||
|
||||
struct sci_base_state_machine;
|
||||
typedef void (*sci_base_state_handler_t)(void);
|
||||
|
||||
typedef void (*sci_state_transition_t)(void *base_object);
|
||||
typedef void (*sci_state_transition_t)(struct sci_base_state_machine *sm);
|
||||
|
||||
/**
|
||||
* struct sci_base_state - The base state object abstracts the fields common to
|
||||
|
|
@ -80,7 +80,6 @@ struct sci_base_state {
|
|||
* invoked when the state is exited.
|
||||
*/
|
||||
sci_state_transition_t exit_state;
|
||||
|
||||
};
|
||||
|
||||
/**
|
||||
|
|
@ -95,13 +94,6 @@ struct sci_base_state_machine {
|
|||
*/
|
||||
const struct sci_base_state *state_table;
|
||||
|
||||
/**
|
||||
* This field points to the object to which this state machine is
|
||||
* associated. It serves as a cookie to be provided to the state
|
||||
* enter/exit methods.
|
||||
*/
|
||||
void *state_machine_owner;
|
||||
|
||||
/**
|
||||
* This field simply indicates the state value for the state machine's
|
||||
* initial state.
|
||||
|
|
@ -120,28 +112,13 @@ struct sci_base_state_machine {
|
|||
|
||||
};
|
||||
|
||||
/*
|
||||
* ******************************************************************************
|
||||
* * P R O T E C T E D M E T H O D S
|
||||
* ****************************************************************************** */
|
||||
|
||||
void sci_base_state_machine_construct(
|
||||
struct sci_base_state_machine *this_state_machine,
|
||||
void *state_machine_owner,
|
||||
const struct sci_base_state *state_table,
|
||||
u32 initial_state);
|
||||
|
||||
void sci_base_state_machine_start(
|
||||
struct sci_base_state_machine *this_state_machine);
|
||||
|
||||
void sci_base_state_machine_stop(
|
||||
struct sci_base_state_machine *this_state_machine);
|
||||
|
||||
void sci_base_state_machine_change_state(
|
||||
struct sci_base_state_machine *this_state_machine,
|
||||
u32 next_state);
|
||||
|
||||
u32 sci_base_state_machine_get_state(
|
||||
struct sci_base_state_machine *this_state_machine);
|
||||
void sci_base_state_machine_construct(struct sci_base_state_machine *sm,
|
||||
const struct sci_base_state *state_table,
|
||||
u32 initial_state);
|
||||
void sci_base_state_machine_start(struct sci_base_state_machine *sm);
|
||||
void sci_base_state_machine_stop(struct sci_base_state_machine *sm);
|
||||
void sci_base_state_machine_change_state(struct sci_base_state_machine *sm,
|
||||
u32 next_state);
|
||||
u32 sci_base_state_machine_get_state(struct sci_base_state_machine *sm);
|
||||
|
||||
#endif /* _SCI_BASE_STATE_MACHINE_H_ */
|
||||
|
|
|
|||
Loading…
Reference in a new issue