diff options
Diffstat (limited to 'drivers/scsi/isci')
-rw-r--r-- | drivers/scsi/isci/host.c | 67 | ||||
-rw-r--r-- | drivers/scsi/isci/host.h | 3 | ||||
-rw-r--r-- | drivers/scsi/isci/port_config.c | 18 |
3 files changed, 50 insertions, 38 deletions
diff --git a/drivers/scsi/isci/host.c b/drivers/scsi/isci/host.c index 95c3da66ea4b..577a8369274c 100644 --- a/drivers/scsi/isci/host.c +++ b/drivers/scsi/isci/host.c @@ -816,7 +816,7 @@ static void sci_controller_initialize_unsolicited_frame_queue(struct isci_host * &ihost->scu_registers->sdma.unsolicited_frame_put_pointer); } -static void sci_controller_transition_to_ready(struct isci_host *ihost, enum sci_status status) +void sci_controller_transition_to_ready(struct isci_host *ihost, enum sci_status status) { if (ihost->sm.current_state_id == SCIC_STARTING) { /* @@ -843,6 +843,7 @@ static bool is_phy_starting(struct isci_phy *iphy) case SCI_PHY_SUB_AWAIT_SATA_POWER: case SCI_PHY_SUB_AWAIT_SATA_PHY_EN: case SCI_PHY_SUB_AWAIT_SATA_SPEED_EN: + case SCI_PHY_SUB_AWAIT_OSSP_EN: case SCI_PHY_SUB_AWAIT_SIG_FIS_UF: case SCI_PHY_SUB_FINAL: return true; @@ -851,6 +852,39 @@ static bool is_phy_starting(struct isci_phy *iphy) } } +bool is_controller_start_complete(struct isci_host *ihost) +{ + int i; + + for (i = 0; i < SCI_MAX_PHYS; i++) { + struct isci_phy *iphy = &ihost->phys[i]; + u32 state = iphy->sm.current_state_id; + + /* in apc mode we need to check every phy, in + * mpc mode we only need to check phys that have + * been configured into a port + */ + if (is_port_config_apc(ihost)) + /* pass */; + else if (!phy_get_non_dummy_port(iphy)) + continue; + + /* The controller start operation is complete iff: + * - all links have been given an opportunity to start + * - have no indication of a connected device + * - have an indication of a connected device and it has + * finished the link training process. + */ + if ((iphy->is_in_link_training == false && state == SCI_PHY_INITIAL) || + (iphy->is_in_link_training == false && state == SCI_PHY_STOPPED) || + (iphy->is_in_link_training == true && is_phy_starting(iphy)) || + (ihost->port_agent.phy_ready_mask != ihost->port_agent.phy_configured_mask)) + return false; + } + + return true; +} + /** * sci_controller_start_next_phy - start phy * @scic: controller @@ -871,36 +905,7 @@ static enum sci_status sci_controller_start_next_phy(struct isci_host *ihost) return status; if (ihost->next_phy_to_start >= SCI_MAX_PHYS) { - bool is_controller_start_complete = true; - u32 state; - u8 index; - - for (index = 0; index < SCI_MAX_PHYS; index++) { - iphy = &ihost->phys[index]; - state = iphy->sm.current_state_id; - - if (!phy_get_non_dummy_port(iphy)) - continue; - - /* The controller start operation is complete iff: - * - all links have been given an opportunity to start - * - have no indication of a connected device - * - have an indication of a connected device and it has - * finished the link training process. - */ - if ((iphy->is_in_link_training == false && state == SCI_PHY_INITIAL) || - (iphy->is_in_link_training == false && state == SCI_PHY_STOPPED) || - (iphy->is_in_link_training == true && is_phy_starting(iphy)) || - (ihost->port_agent.phy_ready_mask != ihost->port_agent.phy_configured_mask)) { - is_controller_start_complete = false; - break; - } - } - - /* - * The controller has successfully finished the start process. - * Inform the SCI Core user and transition to the READY state. */ - if (is_controller_start_complete == true) { + if (is_controller_start_complete(ihost)) { sci_controller_transition_to_ready(ihost, SCI_SUCCESS); sci_del_timer(&ihost->phy_timer); ihost->phy_startup_timer_pending = false; diff --git a/drivers/scsi/isci/host.h b/drivers/scsi/isci/host.h index a89c0e3c5a14..9dc910b9d921 100644 --- a/drivers/scsi/isci/host.h +++ b/drivers/scsi/isci/host.h @@ -109,6 +109,8 @@ struct sci_port_configuration_agent; typedef void (*port_config_fn)(struct isci_host *, struct sci_port_configuration_agent *, struct isci_port *, struct isci_phy *); +bool is_port_config_apc(struct isci_host *ihost); +bool is_controller_start_complete(struct isci_host *ihost); struct sci_port_configuration_agent { u16 phy_configured_mask; @@ -473,6 +475,7 @@ void isci_host_completion_routine(unsigned long data); void isci_host_deinit(struct isci_host *); void sci_controller_disable_interrupts(struct isci_host *ihost); bool sci_controller_has_remote_devices_stopping(struct isci_host *ihost); +void sci_controller_transition_to_ready(struct isci_host *ihost, enum sci_status status); enum sci_status sci_controller_start_io( struct isci_host *ihost, diff --git a/drivers/scsi/isci/port_config.c b/drivers/scsi/isci/port_config.c index 6d1e9544cbe5..cd962da4a57a 100644 --- a/drivers/scsi/isci/port_config.c +++ b/drivers/scsi/isci/port_config.c @@ -57,7 +57,7 @@ #define SCIC_SDS_MPC_RECONFIGURATION_TIMEOUT (10) #define SCIC_SDS_APC_RECONFIGURATION_TIMEOUT (10) -#define SCIC_SDS_APC_WAIT_LINK_UP_NOTIFICATION (250) +#define SCIC_SDS_APC_WAIT_LINK_UP_NOTIFICATION (1000) enum SCIC_SDS_APC_ACTIVITY { SCIC_SDS_APC_SKIP_PHY, @@ -472,13 +472,9 @@ sci_apc_agent_validate_phy_configuration(struct isci_host *ihost, * down event or a link up event where we can not yet tell to which a phy * belongs. */ -static void sci_apc_agent_start_timer( - struct sci_port_configuration_agent *port_agent, - u32 timeout) +static void sci_apc_agent_start_timer(struct sci_port_configuration_agent *port_agent, + u32 timeout) { - if (port_agent->timer_pending) - sci_del_timer(&port_agent->timer); - port_agent->timer_pending = true; sci_mod_timer(&port_agent->timer, timeout); } @@ -697,6 +693,9 @@ static void apc_agent_timeout(unsigned long data) &ihost->phys[index], false); } + if (is_controller_start_complete(ihost)) + sci_controller_transition_to_ready(ihost, SCI_SUCCESS); + done: spin_unlock_irqrestore(&ihost->scic_lock, flags); } @@ -732,6 +731,11 @@ void sci_port_configuration_agent_construct( } } +bool is_port_config_apc(struct isci_host *ihost) +{ + return ihost->port_agent.link_up_handler == sci_apc_agent_link_up; +} + enum sci_status sci_port_configuration_agent_initialize( struct isci_host *ihost, struct sci_port_configuration_agent *port_agent) |