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path: root/drivers/scsi/isci/port_config.c
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Diffstat (limited to 'drivers/scsi/isci/port_config.c')
-rw-r--r--drivers/scsi/isci/port_config.c99
1 files changed, 47 insertions, 52 deletions
diff --git a/drivers/scsi/isci/port_config.c b/drivers/scsi/isci/port_config.c
index 8444fd8219dd..bb62d2a25217 100644
--- a/drivers/scsi/isci/port_config.c
+++ b/drivers/scsi/isci/port_config.c
@@ -112,7 +112,7 @@ static s32 sci_sas_address_compare(
* port. port address if the port can be found to match the phy.
* NULL if there is no matching port for the phy.
*/
-static struct scic_sds_port *scic_sds_port_configuration_agent_find_port(
+static struct isci_port *scic_sds_port_configuration_agent_find_port(
struct scic_sds_controller *scic,
struct isci_phy *iphy)
{
@@ -132,14 +132,14 @@ static struct scic_sds_port *scic_sds_port_configuration_agent_find_port(
for (i = 0; i < scic->logical_port_entries; i++) {
struct isci_host *ihost = scic_to_ihost(scic);
- struct scic_sds_port *sci_port = &ihost->ports[i].sci;
+ struct isci_port *iport = &ihost->ports[i];
- scic_sds_port_get_sas_address(sci_port, &port_sas_address);
- scic_sds_port_get_attached_sas_address(sci_port, &port_attached_device_address);
+ scic_sds_port_get_sas_address(iport, &port_sas_address);
+ scic_sds_port_get_attached_sas_address(iport, &port_attached_device_address);
if (sci_sas_address_compare(port_sas_address, phy_sas_address) == 0 &&
sci_sas_address_compare(port_attached_device_address, phy_attached_device_address) == 0)
- return sci_port;
+ return iport;
}
return NULL;
@@ -315,7 +315,7 @@ static enum sci_status scic_sds_mpc_agent_validate_phy_configuration(
port_agent->phy_valid_port_range[phy_index].min_index = port_index;
port_agent->phy_valid_port_range[phy_index].max_index = phy_index;
- scic_sds_port_add_phy(&ihost->ports[port_index].sci,
+ scic_sds_port_add_phy(&ihost->ports[port_index],
&ihost->phys[phy_index]);
assigned_phy_mask |= (1 << phy_index);
@@ -367,22 +367,20 @@ done:
static void scic_sds_mpc_agent_link_up(struct scic_sds_controller *controller,
struct scic_sds_port_configuration_agent *port_agent,
- struct scic_sds_port *port,
+ struct isci_port *iport,
struct isci_phy *iphy)
{
- /* If the port has an invalid handle then the phy was not assigned to
- * a port. This is because the phy was not given the same SAS Address
- * as the other PHYs in the port.
+ /* If the port is NULL then the phy was not assigned to a port.
+ * This is because the phy was not given the same SAS Address as
+ * the other PHYs in the port.
*/
- if (port != NULL) {
- port_agent->phy_ready_mask |= (1 << scic_sds_phy_get_index(iphy));
-
- scic_sds_port_link_up(port, iphy);
+ if (!iport)
+ return;
- if ((port->active_phy_mask & (1 << scic_sds_phy_get_index(iphy))) != 0) {
- port_agent->phy_configured_mask |= (1 << scic_sds_phy_get_index(iphy));
- }
- }
+ port_agent->phy_ready_mask |= (1 << scic_sds_phy_get_index(iphy));
+ scic_sds_port_link_up(iport, iphy);
+ if ((iport->active_phy_mask & (1 << scic_sds_phy_get_index(iphy))))
+ port_agent->phy_configured_mask |= (1 << scic_sds_phy_get_index(iphy));
}
/**
@@ -405,10 +403,10 @@ static void scic_sds_mpc_agent_link_up(struct scic_sds_controller *controller,
static void scic_sds_mpc_agent_link_down(
struct scic_sds_controller *scic,
struct scic_sds_port_configuration_agent *port_agent,
- struct scic_sds_port *sci_port,
+ struct isci_port *iport,
struct isci_phy *iphy)
{
- if (sci_port != NULL) {
+ if (iport != NULL) {
/*
* If we can form a new port from the remainder of the phys
* then we want to start the timer to allow the SCI User to
@@ -436,7 +434,7 @@ static void scic_sds_mpc_agent_link_down(
SCIC_SDS_MPC_RECONFIGURATION_TIMEOUT);
}
- scic_sds_port_link_down(sci_port, iphy);
+ scic_sds_port_link_down(iport, iphy);
}
}
@@ -496,14 +494,14 @@ static void scic_sds_apc_agent_configure_ports(struct scic_sds_controller *contr
{
u8 port_index;
enum sci_status status;
- struct scic_sds_port *port;
+ struct isci_port *iport;
enum SCIC_SDS_APC_ACTIVITY apc_activity = SCIC_SDS_APC_SKIP_PHY;
struct isci_host *ihost = scic_to_ihost(controller);
- port = scic_sds_port_configuration_agent_find_port(controller, iphy);
+ iport = scic_sds_port_configuration_agent_find_port(controller, iphy);
- if (port != NULL) {
- if (scic_sds_port_is_valid_phy_assignment(port, iphy->phy_index))
+ if (iport) {
+ if (scic_sds_port_is_valid_phy_assignment(iport, iphy->phy_index))
apc_activity = SCIC_SDS_APC_ADD_PHY;
else
apc_activity = SCIC_SDS_APC_SKIP_PHY;
@@ -514,21 +512,19 @@ static void scic_sds_apc_agent_configure_ports(struct scic_sds_controller *contr
* the timer and wait to see if a wider port can be made.
*
* Note the break when we reach the condition of the port id == phy id */
- for (
- port_index = port_agent->phy_valid_port_range[iphy->phy_index].min_index;
- port_index <= port_agent->phy_valid_port_range[iphy->phy_index].max_index;
- port_index++
- ) {
+ for (port_index = port_agent->phy_valid_port_range[iphy->phy_index].min_index;
+ port_index <= port_agent->phy_valid_port_range[iphy->phy_index].max_index;
+ port_index++) {
- port = &ihost->ports[port_index].sci;
+ iport = &ihost->ports[port_index];
/* First we must make sure that this PHY can be added to this Port. */
- if (scic_sds_port_is_valid_phy_assignment(port, iphy->phy_index)) {
+ if (scic_sds_port_is_valid_phy_assignment(iport, iphy->phy_index)) {
/*
* Port contains a PHY with a greater PHY ID than the current
* PHY that has gone link up. This phy can not be part of any
* port so skip it and move on. */
- if (port->active_phy_mask > (1 << iphy->phy_index)) {
+ if (iport->active_phy_mask > (1 << iphy->phy_index)) {
apc_activity = SCIC_SDS_APC_SKIP_PHY;
break;
}
@@ -537,7 +533,7 @@ static void scic_sds_apc_agent_configure_ports(struct scic_sds_controller *contr
* We have reached the end of our Port list and have not found
* any reason why we should not either add the PHY to the port
* or wait for more phys to become active. */
- if (port->physical_port_index == iphy->phy_index) {
+ if (iport->physical_port_index == iphy->phy_index) {
/*
* The Port either has no active PHYs.
* Consider that if the port had any active PHYs we would have
@@ -554,10 +550,10 @@ static void scic_sds_apc_agent_configure_ports(struct scic_sds_controller *contr
* The current Port has no active PHYs and this PHY could be part
* of this Port. Since we dont know as yet setup to start the
* timer and see if there is a better configuration. */
- if (port->active_phy_mask == 0) {
+ if (iport->active_phy_mask == 0) {
apc_activity = SCIC_SDS_APC_START_TIMER;
}
- } else if (port->active_phy_mask != 0) {
+ } else if (iport->active_phy_mask != 0) {
/*
* The Port has an active phy and the current Phy can not
* participate in this port so skip the PHY and see if
@@ -583,7 +579,7 @@ static void scic_sds_apc_agent_configure_ports(struct scic_sds_controller *contr
switch (apc_activity) {
case SCIC_SDS_APC_ADD_PHY:
- status = scic_sds_port_add_phy(port, iphy);
+ status = scic_sds_port_add_phy(iport, iphy);
if (status == SCI_SUCCESS) {
port_agent->phy_configured_mask |= (1 << iphy->phy_index);
@@ -625,18 +621,18 @@ static void scic_sds_apc_agent_configure_ports(struct scic_sds_controller *contr
*/
static void scic_sds_apc_agent_link_up(struct scic_sds_controller *scic,
struct scic_sds_port_configuration_agent *port_agent,
- struct scic_sds_port *sci_port,
+ struct isci_port *iport,
struct isci_phy *iphy)
{
u8 phy_index = iphy->phy_index;
- if (!sci_port) {
+ if (!iport) {
/* the phy is not the part of this port */
port_agent->phy_ready_mask |= 1 << phy_index;
scic_sds_apc_agent_configure_ports(scic, port_agent, iphy, true);
} else {
/* the phy is already the part of the port */
- u32 port_state = sci_port->sm.current_state_id;
+ u32 port_state = iport->sm.current_state_id;
/* if the PORT'S state is resetting then the link up is from
* port hard reset in this case, we need to tell the port
@@ -644,7 +640,7 @@ static void scic_sds_apc_agent_link_up(struct scic_sds_controller *scic,
*/
BUG_ON(port_state != SCI_PORT_RESETTING);
port_agent->phy_ready_mask |= 1 << phy_index;
- scic_sds_port_link_up(sci_port, iphy);
+ scic_sds_port_link_up(iport, iphy);
}
}
@@ -652,9 +648,9 @@ static void scic_sds_apc_agent_link_up(struct scic_sds_controller *scic,
*
* @controller: This is the controller object that receives the link down
* notification.
- * @port: This is the port object associated with the phy. If the is no
+ * @iport: This is the port object associated with the phy. If the is no
* associated port this is an NULL.
- * @phy: This is the phy object which has gone link down.
+ * @iphy: This is the phy object which has gone link down.
*
* This method handles the automatic port configuration link down
* notifications. not associated with a port there is no action taken. Is it
@@ -664,21 +660,20 @@ static void scic_sds_apc_agent_link_up(struct scic_sds_controller *scic,
static void scic_sds_apc_agent_link_down(
struct scic_sds_controller *controller,
struct scic_sds_port_configuration_agent *port_agent,
- struct scic_sds_port *port,
+ struct isci_port *iport,
struct isci_phy *iphy)
{
port_agent->phy_ready_mask &= ~(1 << scic_sds_phy_get_index(iphy));
- if (port != NULL) {
- if (port_agent->phy_configured_mask & (1 << iphy->phy_index)) {
- enum sci_status status;
+ if (!iport)
+ return;
+ if (port_agent->phy_configured_mask & (1 << iphy->phy_index)) {
+ enum sci_status status;
- status = scic_sds_port_remove_phy(port, iphy);
+ status = scic_sds_port_remove_phy(iport, iphy);
- if (status == SCI_SUCCESS) {
- port_agent->phy_configured_mask &= ~(1 << iphy->phy_index);
- }
- }
+ if (status == SCI_SUCCESS)
+ port_agent->phy_configured_mask &= ~(1 << iphy->phy_index);
}
}