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-rw-r--r--drivers/scsi/isci/host.c67
-rw-r--r--drivers/scsi/isci/host.h3
-rw-r--r--drivers/scsi/isci/port_config.c18
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)
generated by cgit v1.2.3 (git 2.39.0) at 2024-12-16 04:13:23 +0300