From a628d478570d71fb8751ad09b8017139c5056002 Mon Sep 17 00:00:00 2001 From: Edmund Nadolski Date: Thu, 19 May 2011 11:59:36 +0000 Subject: [PATCH] isci: convert phy sata_timeout_timer to sci_timer Convert the sata_timeout_timer in the scic_sds_phy struct to use a struct sci_timer Signed-off-by: Edmund Nadolski Signed-off-by: Dan Williams --- drivers/scsi/isci/host.c | 6 ++++ drivers/scsi/isci/phy.c | 70 ++++++++++++++-------------------------- drivers/scsi/isci/phy.h | 8 ++--- 3 files changed, 35 insertions(+), 49 deletions(-) diff --git a/drivers/scsi/isci/host.c b/drivers/scsi/isci/host.c index 468357ffc771..aa00cce37821 100644 --- a/drivers/scsi/isci/host.c +++ b/drivers/scsi/isci/host.c @@ -1366,6 +1366,12 @@ void isci_host_deinit(struct isci_host *ihost) del_timer_sync(&sci_port->timer.timer); } + /* Cancel any/all outstanding phy timers */ + for (i = 0; i < SCI_MAX_PHYS; i++) { + struct scic_sds_phy *sci_phy = &ihost->phys[i].sci; + del_timer_sync(&sci_phy->sata_timer.timer); + } + del_timer_sync(&ihost->sci.port_agent.timer.timer); isci_timer_list_destroy(ihost); diff --git a/drivers/scsi/isci/phy.c b/drivers/scsi/isci/phy.c index f21e10e2888c..b663bbdd4e59 100644 --- a/drivers/scsi/isci/phy.c +++ b/drivers/scsi/isci/phy.c @@ -256,14 +256,17 @@ scic_sds_phy_link_layer_initialization(struct scic_sds_phy *sci_phy, return SCI_SUCCESS; } -/** - * This function will handle the sata SIGNATURE FIS timeout condition. It will - * restart the starting substate machine since we dont know what has actually - * happening. - */ -static void scic_sds_phy_sata_timeout(void *phy) +static void phy_sata_timeout(unsigned long data) { - struct scic_sds_phy *sci_phy = phy; + struct sci_timer *tmr = (struct sci_timer *)data; + struct scic_sds_phy *sci_phy = container_of(tmr, typeof(*sci_phy), sata_timer); + struct isci_host *ihost = scic_to_ihost(sci_phy->owning_port->owning_controller); + unsigned long flags; + + spin_lock_irqsave(&ihost->scic_lock, flags); + + if (tmr->cancel) + goto done; dev_dbg(sciphy_to_dev(sci_phy), "%s: SCIC SDS Phy 0x%p did not receive signature fis before " @@ -273,6 +276,8 @@ static void scic_sds_phy_sata_timeout(void *phy) sci_base_state_machine_change_state(&sci_phy->state_machine, SCI_BASE_PHY_STATE_STARTING); +done: + spin_unlock_irqrestore(&ihost->scic_lock, flags); } /** @@ -327,16 +332,6 @@ enum sci_status scic_sds_phy_initialize( struct scu_transport_layer_registers __iomem *transport_layer_registers, struct scu_link_layer_registers __iomem *link_layer_registers) { - struct scic_sds_controller *scic = scic_sds_phy_get_controller(sci_phy); - struct isci_host *ihost = scic_to_ihost(scic); - - /* Create the SIGNATURE FIS Timeout timer for this phy */ - sci_phy->sata_timeout_timer = - isci_timer_create( - ihost, - sci_phy, - scic_sds_phy_sata_timeout); - /* Perfrom the initialization of the TL hardware */ scic_sds_phy_transport_layer_initialization( sci_phy, @@ -442,9 +437,7 @@ void scic_sds_phy_get_protocols(struct scic_sds_phy *sci_phy, enum sci_status scic_sds_phy_start(struct scic_sds_phy *sci_phy) { - struct scic_sds_controller *scic = sci_phy->owning_port->owning_controller; enum scic_sds_phy_states state = sci_phy->state_machine.current_state_id; - struct isci_host *ihost = scic_to_ihost(scic); if (state != SCI_BASE_PHY_STATE_STOPPED) { dev_dbg(sciphy_to_dev(sci_phy), @@ -452,14 +445,8 @@ enum sci_status scic_sds_phy_start(struct scic_sds_phy *sci_phy) return SCI_FAILURE_INVALID_STATE; } - /* Create the SIGNATURE FIS Timeout timer for this phy */ - sci_phy->sata_timeout_timer = isci_timer_create(ihost, sci_phy, - scic_sds_phy_sata_timeout); - - if (sci_phy->sata_timeout_timer) - sci_base_state_machine_change_state(&sci_phy->state_machine, - SCI_BASE_PHY_STATE_STARTING); - + sci_base_state_machine_change_state(&sci_phy->state_machine, + SCI_BASE_PHY_STATE_STARTING); return SCI_SUCCESS; } @@ -1071,30 +1058,28 @@ static void scic_sds_phy_starting_await_sata_phy_substate_enter(struct sci_base_ { struct scic_sds_phy *sci_phy = container_of(sm, typeof(*sci_phy), state_machine); - isci_timer_start(sci_phy->sata_timeout_timer, - SCIC_SDS_SATA_LINK_TRAINING_TIMEOUT); + sci_mod_timer(&sci_phy->sata_timer, SCIC_SDS_SATA_LINK_TRAINING_TIMEOUT); } static void scic_sds_phy_starting_await_sata_phy_substate_exit(struct sci_base_state_machine *sm) { struct scic_sds_phy *sci_phy = container_of(sm, typeof(*sci_phy), state_machine); - isci_timer_stop(sci_phy->sata_timeout_timer); + sci_del_timer(&sci_phy->sata_timer); } static void scic_sds_phy_starting_await_sata_speed_substate_enter(struct sci_base_state_machine *sm) { struct scic_sds_phy *sci_phy = container_of(sm, typeof(*sci_phy), state_machine); - isci_timer_start(sci_phy->sata_timeout_timer, - SCIC_SDS_SATA_LINK_TRAINING_TIMEOUT); + sci_mod_timer(&sci_phy->sata_timer, SCIC_SDS_SATA_LINK_TRAINING_TIMEOUT); } static void scic_sds_phy_starting_await_sata_speed_substate_exit(struct sci_base_state_machine *sm) { struct scic_sds_phy *sci_phy = container_of(sm, typeof(*sci_phy), state_machine); - isci_timer_stop(sci_phy->sata_timeout_timer); + sci_del_timer(&sci_phy->sata_timer); } static void scic_sds_phy_starting_await_sig_fis_uf_substate_enter(struct sci_base_state_machine *sm) @@ -1111,8 +1096,8 @@ static void scic_sds_phy_starting_await_sig_fis_uf_substate_enter(struct sci_bas */ scic_sds_phy_resume(sci_phy); - isci_timer_start(sci_phy->sata_timeout_timer, - SCIC_SDS_SIGNATURE_FIS_TIMEOUT); + sci_mod_timer(&sci_phy->sata_timer, + SCIC_SDS_SIGNATURE_FIS_TIMEOUT); } else sci_phy->is_in_link_training = false; } @@ -1121,7 +1106,7 @@ static void scic_sds_phy_starting_await_sig_fis_uf_substate_exit(struct sci_base { struct scic_sds_phy *sci_phy = container_of(sm, typeof(*sci_phy), state_machine); - isci_timer_stop(sci_phy->sata_timeout_timer); + sci_del_timer(&sci_phy->sata_timer); } static void scic_sds_phy_starting_final_substate_enter(struct sci_base_state_machine *sm) @@ -1219,19 +1204,12 @@ static void scu_link_layer_tx_hard_reset( static void scic_sds_phy_stopped_state_enter(struct sci_base_state_machine *sm) { struct scic_sds_phy *sci_phy = container_of(sm, typeof(*sci_phy), state_machine); - struct scic_sds_port *sci_port = sci_phy->owning_port; - struct scic_sds_controller *scic = sci_port->owning_controller; - struct isci_host *ihost = scic_to_ihost(scic); /* * @todo We need to get to the controller to place this PE in a * reset state */ - if (sci_phy->sata_timeout_timer != NULL) { - isci_del_timer(ihost, sci_phy->sata_timeout_timer); - - sci_phy->sata_timeout_timer = NULL; - } + sci_del_timer(&sci_phy->sata_timer); scu_link_layer_stop_protocol_engine(sci_phy); @@ -1362,7 +1340,9 @@ void scic_sds_phy_construct(struct scic_sds_phy *sci_phy, sci_phy->protocol = SCIC_SDS_PHY_PROTOCOL_UNKNOWN; sci_phy->link_layer_registers = NULL; sci_phy->max_negotiated_speed = SAS_LINK_RATE_UNKNOWN; - sci_phy->sata_timeout_timer = NULL; + + /* Create the SIGNATURE FIS Timeout timer for this phy */ + sci_init_timer(&sci_phy->sata_timer, phy_sata_timeout); } void isci_phy_init(struct isci_phy *iphy, struct isci_host *ihost, int index) diff --git a/drivers/scsi/isci/phy.h b/drivers/scsi/isci/phy.h index 7694ec4d76b5..da3f0f1d56d4 100644 --- a/drivers/scsi/isci/phy.h +++ b/drivers/scsi/isci/phy.h @@ -134,11 +134,11 @@ struct scic_sds_phy { bool is_in_link_training; /** - * This field contains a reference to the timer utilized in detecting - * when a signature FIS timeout has occurred. The signature FIS is the - * first FIS sent by an attached SATA device after OOB/SN. + * Timer to detect when a signature FIS timeout has occurred. The + * signature FIS is the first FIS sent by an attached SATA device + * after OOB/SN. */ - void *sata_timeout_timer; + struct sci_timer sata_timer; /** * This field is the pointer to the transport layer register for the SCU