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path: root/drivers/scsi/isci/port.c
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Diffstat (limited to 'drivers/scsi/isci/port.c')
-rw-r--r--drivers/scsi/isci/port.c68
1 files changed, 37 insertions, 31 deletions
diff --git a/drivers/scsi/isci/port.c b/drivers/scsi/isci/port.c
index 5fada73b71ff..2fb85bf75449 100644
--- a/drivers/scsi/isci/port.c
+++ b/drivers/scsi/isci/port.c
@@ -184,7 +184,7 @@ static void isci_port_link_up(struct isci_host *isci_host,
sci_port_get_properties(iport, &properties);
- if (iphy->protocol == SCIC_SDS_PHY_PROTOCOL_SATA) {
+ if (iphy->protocol == SAS_PROTOCOL_SATA) {
u64 attached_sas_address;
iphy->sas_phy.oob_mode = SATA_OOB_MODE;
@@ -204,7 +204,7 @@ static void isci_port_link_up(struct isci_host *isci_host,
memcpy(&iphy->sas_phy.attached_sas_addr,
&attached_sas_address, sizeof(attached_sas_address));
- } else if (iphy->protocol == SCIC_SDS_PHY_PROTOCOL_SAS) {
+ } else if (iphy->protocol == SAS_PROTOCOL_SSP) {
iphy->sas_phy.oob_mode = SAS_OOB_MODE;
iphy->sas_phy.frame_rcvd_size = sizeof(struct sas_identify_frame);
@@ -251,10 +251,10 @@ static void isci_port_link_down(struct isci_host *isci_host,
if (isci_phy->sas_phy.port &&
isci_phy->sas_phy.port->num_phys == 1) {
/* change the state for all devices on this port. The
- * next task sent to this device will be returned as
- * SAS_TASK_UNDELIVERED, and the scsi mid layer will
- * remove the target
- */
+ * next task sent to this device will be returned as
+ * SAS_TASK_UNDELIVERED, and the scsi mid layer will
+ * remove the target
+ */
list_for_each_entry(isci_device,
&isci_port->remote_dev_list,
node) {
@@ -517,7 +517,7 @@ void sci_port_get_attached_sas_address(struct isci_port *iport, struct sci_sas_a
*/
iphy = sci_port_get_a_connected_phy(iport);
if (iphy) {
- if (iphy->protocol != SCIC_SDS_PHY_PROTOCOL_SATA) {
+ if (iphy->protocol != SAS_PROTOCOL_SATA) {
sci_phy_get_attached_sas_address(iphy, sas);
} else {
sci_phy_get_sas_address(iphy, sas);
@@ -624,7 +624,7 @@ static void sci_port_activate_phy(struct isci_port *iport,
{
struct isci_host *ihost = iport->owning_controller;
- if (iphy->protocol != SCIC_SDS_PHY_PROTOCOL_SATA && (flags & PF_RESUME))
+ if (iphy->protocol != SAS_PROTOCOL_SATA && (flags & PF_RESUME))
sci_phy_resume(iphy);
iport->active_phy_mask |= 1 << iphy->phy_index;
@@ -751,12 +751,10 @@ static bool sci_port_is_wide(struct isci_port *iport)
* wide ports and direct attached phys. Since there are no wide ported SATA
* devices this could become an invalid port configuration.
*/
-bool sci_port_link_detected(
- struct isci_port *iport,
- struct isci_phy *iphy)
+bool sci_port_link_detected(struct isci_port *iport, struct isci_phy *iphy)
{
if ((iport->logical_port_index != SCIC_SDS_DUMMY_PORT) &&
- (iphy->protocol == SCIC_SDS_PHY_PROTOCOL_SATA)) {
+ (iphy->protocol == SAS_PROTOCOL_SATA)) {
if (sci_port_is_wide(iport)) {
sci_port_invalid_link_up(iport, iphy);
return false;
@@ -1201,6 +1199,8 @@ enum sci_status sci_port_add_phy(struct isci_port *iport,
enum sci_status status;
enum sci_port_states state;
+ sci_port_bcn_enable(iport);
+
state = iport->sm.current_state_id;
switch (state) {
case SCI_PORT_STOPPED: {
@@ -1548,6 +1548,29 @@ static void sci_port_failed_state_enter(struct sci_base_state_machine *sm)
isci_port_hard_reset_complete(iport, SCI_FAILURE_TIMEOUT);
}
+void sci_port_set_hang_detection_timeout(struct isci_port *iport, u32 timeout)
+{
+ int phy_index;
+ u32 phy_mask = iport->active_phy_mask;
+
+ if (timeout)
+ ++iport->hang_detect_users;
+ else if (iport->hang_detect_users > 1)
+ --iport->hang_detect_users;
+ else
+ iport->hang_detect_users = 0;
+
+ if (timeout || (iport->hang_detect_users == 0)) {
+ for (phy_index = 0; phy_index < SCI_MAX_PHYS; phy_index++) {
+ if ((phy_mask >> phy_index) & 1) {
+ writel(timeout,
+ &iport->phy_table[phy_index]
+ ->link_layer_registers
+ ->link_layer_hang_detection_timeout);
+ }
+ }
+ }
+}
/* --------------------------------------------------------------------------- */
static const struct sci_base_state sci_port_state_table[] = {
@@ -1596,6 +1619,7 @@ void sci_port_construct(struct isci_port *iport, u8 index,
iport->started_request_count = 0;
iport->assigned_device_count = 0;
+ iport->hang_detect_users = 0;
iport->reserved_rni = SCU_DUMMY_INDEX;
iport->reserved_tag = SCI_CONTROLLER_INVALID_IO_TAG;
@@ -1608,13 +1632,6 @@ void sci_port_construct(struct isci_port *iport, u8 index,
iport->phy_table[index] = NULL;
}
-void isci_port_init(struct isci_port *iport, struct isci_host *ihost, int index)
-{
- INIT_LIST_HEAD(&iport->remote_dev_list);
- INIT_LIST_HEAD(&iport->domain_dev_list);
- iport->isci_host = ihost;
-}
-
void sci_port_broadcast_change_received(struct isci_port *iport, struct isci_phy *iphy)
{
struct isci_host *ihost = iport->owning_controller;
@@ -1671,17 +1688,6 @@ int isci_port_perform_hard_reset(struct isci_host *ihost, struct isci_port *ipor
__func__, iport, status);
}
-
- /* If the hard reset for the port has failed, consider this
- * the same as link failures on all phys in the port.
- */
- if (ret != TMF_RESP_FUNC_COMPLETE) {
-
- dev_err(&ihost->pdev->dev,
- "%s: iport = %p; hard reset failed "
- "(0x%x) - driving explicit link fail for all phys\n",
- __func__, iport, iport->hard_reset_status);
- }
return ret;
}
@@ -1740,7 +1746,7 @@ void isci_port_formed(struct asd_sas_phy *phy)
struct isci_host *ihost = phy->ha->lldd_ha;
struct isci_phy *iphy = to_iphy(phy);
struct asd_sas_port *port = phy->port;
- struct isci_port *iport;
+ struct isci_port *iport = NULL;
unsigned long flags;
int i;