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Commit 85280955 authored by Dan Williams's avatar Dan Williams
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isci: unify isci_phy and scic_sds_phy 

They are one in the same object so remove the distinction.  The near
duplicate fields (owning_port, and isci_port) will be cleaned up
after the scic_sds_port isci_port unification.
Reported-by: default avatarChristoph Hellwig <hch@lst.de>
Signed-off-by: default avatarDan Williams <dan.j.williams@intel.com>
parent 5076a1a9
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Showing with 500 additions and 652 deletions
drivers/scsi/isci/host.c
View file @ 85280955
......@@ -311,7 +311,7 @@ static void scic_sds_controller_unsolicited_frame(struct scic_sds_controller *sc
struct isci_host *ihost = scic_to_ihost(scic);
struct scu_unsolicited_frame_header *frame_header;
struct scic_sds_phy *phy;
struct isci_phy *iphy;
struct scic_sds_remote_device *device;
enum sci_status result = SCI_FAILURE;
......@@ -332,8 +332,8 @@ static void scic_sds_controller_unsolicited_frame(struct scic_sds_controller *sc
if (frame_header->is_address_frame) {
index = SCU_GET_PROTOCOL_ENGINE_INDEX(completion_entry);
phy = &ihost->phys[index].sci;
result = scic_sds_phy_frame_handler(phy, frame_index);
iphy = &ihost->phys[index];
result = scic_sds_phy_frame_handler(iphy, frame_index);
} else {
index = SCU_GET_COMPLETION_INDEX(completion_entry);
......@@ -344,8 +344,8 @@ static void scic_sds_controller_unsolicited_frame(struct scic_sds_controller *sc
* device that has not yet been created. In either case forwared
* the frame to the PE and let it take care of the frame data. */
index = SCU_GET_PROTOCOL_ENGINE_INDEX(completion_entry);
phy = &ihost->phys[index].sci;
result = scic_sds_phy_frame_handler(phy, frame_index);
iphy = &ihost->phys[index];
result = scic_sds_phy_frame_handler(iphy, frame_index);
} else {
if (index < scic->remote_node_entries)
device = scic->device_table[index];
......@@ -372,7 +372,7 @@ static void scic_sds_controller_event_completion(struct scic_sds_controller *sci
struct isci_host *ihost = scic_to_ihost(scic);
struct scic_sds_remote_device *device;
struct isci_request *ireq;
struct scic_sds_phy *phy;
struct isci_phy *iphy;
u32 index;
index = SCU_GET_COMPLETION_INDEX(completion_entry);
......@@ -452,8 +452,8 @@ static void scic_sds_controller_event_completion(struct scic_sds_controller *sci
* we get the event notification. This is a type 4 event. */
case SCU_EVENT_TYPE_OSSP_EVENT:
index = SCU_GET_PROTOCOL_ENGINE_INDEX(completion_entry);
phy = &ihost->phys[index].sci;
scic_sds_phy_event_handler(phy, completion_entry);
iphy = &ihost->phys[index];
scic_sds_phy_event_handler(iphy, completion_entry);
break;
case SCU_EVENT_TYPE_RNC_SUSPEND_TX:
......@@ -862,11 +862,11 @@ static void scic_sds_controller_transition_to_ready(
}
}
static bool is_phy_starting(struct scic_sds_phy *sci_phy)
static bool is_phy_starting(struct isci_phy *iphy)
{
enum scic_sds_phy_states state;
state = sci_phy->sm.current_state_id;
state = iphy->sm.current_state_id;
switch (state) {
case SCI_PHY_STARTING:
case SCI_PHY_SUB_INITIAL:
......@@ -896,7 +896,7 @@ static enum sci_status scic_sds_controller_start_next_phy(struct scic_sds_contro
{
struct isci_host *ihost = scic_to_ihost(scic);
struct scic_sds_oem_params *oem = &scic->oem_parameters.sds1;
struct scic_sds_phy *sci_phy;
struct isci_phy *iphy;
enum sci_status status;
status = SCI_SUCCESS;
......@@ -910,10 +910,10 @@ static enum sci_status scic_sds_controller_start_next_phy(struct scic_sds_contro
u8 index;
for (index = 0; index < SCI_MAX_PHYS; index++) {
sci_phy = &ihost->phys[index].sci;
state = sci_phy->sm.current_state_id;
iphy = &ihost->phys[index];
state = iphy->sm.current_state_id;
if (!phy_get_non_dummy_port(sci_phy))
if (!phy_get_non_dummy_port(iphy))
continue;
/* The controller start operation is complete iff:
......@@ -922,9 +922,9 @@ static enum sci_status scic_sds_controller_start_next_phy(struct scic_sds_contro
* - have an indication of a connected device and it has
* finished the link training process.
*/
if ((sci_phy->is_in_link_training == false && state == SCI_PHY_INITIAL) ||
(sci_phy->is_in_link_training == false && state == SCI_PHY_STOPPED) ||
(sci_phy->is_in_link_training == true && is_phy_starting(sci_phy))) {
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))) {
is_controller_start_complete = false;
break;
}
......@@ -939,10 +939,10 @@ static enum sci_status scic_sds_controller_start_next_phy(struct scic_sds_contro
scic->phy_startup_timer_pending = false;
}
} else {
sci_phy = &ihost->phys[scic->next_phy_to_start].sci;
iphy = &ihost->phys[scic->next_phy_to_start];
if (oem->controller.mode_type == SCIC_PORT_MANUAL_CONFIGURATION_MODE) {
if (phy_get_non_dummy_port(sci_phy) == NULL) {
if (phy_get_non_dummy_port(iphy) == NULL) {
scic->next_phy_to_start++;
/* Caution recursion ahead be forwarned
......@@ -958,7 +958,7 @@ static enum sci_status scic_sds_controller_start_next_phy(struct scic_sds_contro
}
}
status = scic_sds_phy_start(sci_phy);
status = scic_sds_phy_start(iphy);
if (status == SCI_SUCCESS) {
sci_mod_timer(&scic->phy_timer,
......@@ -970,7 +970,7 @@ static enum sci_status scic_sds_controller_start_next_phy(struct scic_sds_contro
"to stop phy %d because of status "
"%d.\n",
__func__,
ihost->phys[scic->next_phy_to_start].sci.phy_index,
ihost->phys[scic->next_phy_to_start].phy_index,
status);
}
......@@ -1312,8 +1312,8 @@ void isci_host_deinit(struct isci_host *ihost)
/* 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);
struct isci_phy *iphy = &ihost->phys[i];
del_timer_sync(&iphy->sata_timer.timer);
}
del_timer_sync(&ihost->sci.port_agent.timer.timer);
......@@ -1527,7 +1527,7 @@ static enum sci_status scic_sds_controller_stop_phys(struct scic_sds_controller
status = SCI_SUCCESS;
for (index = 0; index < SCI_MAX_PHYS; index++) {
phy_status = scic_sds_phy_stop(&ihost->phys[index].sci);
phy_status = scic_sds_phy_stop(&ihost->phys[index]);
if (phy_status != SCI_SUCCESS &&
phy_status != SCI_FAILURE_INVALID_STATE) {
......@@ -1537,7 +1537,7 @@ static enum sci_status scic_sds_controller_stop_phys(struct scic_sds_controller
"%s: Controller stop operation failed to stop "
"phy %d because of status %d.\n",
__func__,
ihost->phys[index].sci.phy_index, phy_status);
ihost->phys[index].phy_index, phy_status);
}
}
......@@ -1786,7 +1786,7 @@ static enum sci_status scic_controller_construct(struct scic_sds_controller *sci
/* Construct the phys for this controller */
for (i = 0; i < SCI_MAX_PHYS; i++) {
/* Add all the PHYs to the dummy port */
scic_sds_phy_construct(&ihost->phys[i].sci,
scic_sds_phy_construct(&ihost->phys[i],
&ihost->ports[SCI_MAX_PORTS].sci, i);
}
......@@ -1865,7 +1865,7 @@ static void power_control_timeout(unsigned long data)
struct sci_timer *tmr = (struct sci_timer *)data;
struct scic_sds_controller *scic = container_of(tmr, typeof(*scic), power_control.timer);
struct isci_host *ihost = scic_to_ihost(scic);
struct scic_sds_phy *sci_phy;
struct isci_phy *iphy;
unsigned long flags;
u8 i;
......@@ -1886,8 +1886,8 @@ static void power_control_timeout(unsigned long data)
if (scic->power_control.phys_waiting == 0)
break;
sci_phy = scic->power_control.requesters[i];
if (sci_phy == NULL)
iphy = scic->power_control.requesters[i];
if (iphy == NULL)
continue;
if (scic->power_control.phys_granted_power >=
......@@ -1897,7 +1897,7 @@ static void power_control_timeout(unsigned long data)
scic->power_control.requesters[i] = NULL;
scic->power_control.phys_waiting--;
scic->power_control.phys_granted_power++;
scic_sds_phy_consume_power_handler(sci_phy);
scic_sds_phy_consume_power_handler(iphy);
}
/*
......@@ -1919,14 +1919,14 @@ static void power_control_timeout(unsigned long data)
*/
void scic_sds_controller_power_control_queue_insert(
struct scic_sds_controller *scic,
struct scic_sds_phy *sci_phy)
struct isci_phy *iphy)
{
BUG_ON(sci_phy == NULL);
BUG_ON(iphy == NULL);
if (scic->power_control.phys_granted_power <
scic->oem_parameters.sds1.controller.max_concurrent_dev_spin_up) {
scic->power_control.phys_granted_power++;
scic_sds_phy_consume_power_handler(sci_phy);
scic_sds_phy_consume_power_handler(iphy);
/*
* stop and start the power_control timer. When the timer fires, the
......@@ -1941,7 +1941,7 @@ void scic_sds_controller_power_control_queue_insert(
} else {
/* Add the phy in the waiting list */
scic->power_control.requesters[sci_phy->phy_index] = sci_phy;
scic->power_control.requesters[iphy->phy_index] = iphy;
scic->power_control.phys_waiting++;
}
}
......@@ -1954,15 +1954,15 @@ void scic_sds_controller_power_control_queue_insert(
*/
void scic_sds_controller_power_control_queue_remove(
struct scic_sds_controller *scic,
struct scic_sds_phy *sci_phy)
struct isci_phy *iphy)
{
BUG_ON(sci_phy == NULL);
BUG_ON(iphy == NULL);
if (scic->power_control.requesters[sci_phy->phy_index] != NULL) {
if (scic->power_control.requesters[iphy->phy_index] != NULL) {
scic->power_control.phys_waiting--;
}
scic->power_control.requesters[sci_phy->phy_index] = NULL;
scic->power_control.requesters[iphy->phy_index] = NULL;
}
#define AFE_REGISTER_WRITE_DELAY 10
......@@ -2225,7 +2225,7 @@ static enum sci_status scic_controller_initialize(struct scic_sds_controller *sc
* are accessed during the port initialization.
*/
for (i = 0; i < SCI_MAX_PHYS; i++) {
result = scic_sds_phy_initialize(&ihost->phys[i].sci,
result = scic_sds_phy_initialize(&ihost->phys[i],
&scic->scu_registers->peg0.pe[i].tl,
&scic->scu_registers->peg0.pe[i].ll);
if (result != SCI_SUCCESS)
......@@ -2484,43 +2484,43 @@ int isci_host_init(struct isci_host *isci_host)
}
void scic_sds_controller_link_up(struct scic_sds_controller *scic,
struct scic_sds_port *port, struct scic_sds_phy *phy)
struct scic_sds_port *port, struct isci_phy *iphy)
{
switch (scic->sm.current_state_id) {
case SCIC_STARTING:
sci_del_timer(&scic->phy_timer);
scic->phy_startup_timer_pending = false;
scic->port_agent.link_up_handler(scic, &scic->port_agent,
port, phy);
port, iphy);
scic_sds_controller_start_next_phy(scic);
break;
case SCIC_READY:
scic->port_agent.link_up_handler(scic, &scic->port_agent,
port, phy);
port, iphy);
break;
default:
dev_dbg(scic_to_dev(scic),
"%s: SCIC Controller linkup event from phy %d in "
"unexpected state %d\n", __func__, phy->phy_index,
"unexpected state %d\n", __func__, iphy->phy_index,
scic->sm.current_state_id);
}
}
void scic_sds_controller_link_down(struct scic_sds_controller *scic,
struct scic_sds_port *port, struct scic_sds_phy *phy)
struct scic_sds_port *port, struct isci_phy *iphy)
{
switch (scic->sm.current_state_id) {
case SCIC_STARTING:
case SCIC_READY:
scic->port_agent.link_down_handler(scic, &scic->port_agent,
port, phy);
port, iphy);
break;
default:
dev_dbg(scic_to_dev(scic),
"%s: SCIC Controller linkdown event from phy %d in "
"unexpected state %d\n",
__func__,
phy->phy_index,
iphy->phy_index,
scic->sm.current_state_id);
}
}
......
drivers/scsi/isci/host.h
View file @ 85280955
......@@ -101,14 +101,14 @@ struct scic_power_control {
* This field is an array of phys that we are waiting on. The phys are direct
* mapped into requesters via struct scic_sds_phy.phy_index
*/
struct scic_sds_phy *requesters[SCI_MAX_PHYS];
struct isci_phy *requesters[SCI_MAX_PHYS];
};
struct scic_sds_port_configuration_agent;
typedef void (*port_config_fn)(struct scic_sds_controller *,
struct scic_sds_port_configuration_agent *,
struct scic_sds_port *, struct scic_sds_phy *);
struct scic_sds_port *, struct isci_phy *);
struct scic_sds_port_configuration_agent {
u16 phy_configured_mask;
......@@ -523,9 +523,8 @@ static inline struct device *scic_to_dev(struct scic_sds_controller *scic)
return &scic_to_ihost(scic)->pdev->dev;
}
static inline struct device *sciphy_to_dev(struct scic_sds_phy *sci_phy)
static inline struct device *sciphy_to_dev(struct isci_phy *iphy)
{
struct isci_phy *iphy = sci_phy_to_iphy(sci_phy);
if (!iphy || !iphy->isci_port || !iphy->isci_port->isci_host)
return NULL;
......@@ -606,21 +605,21 @@ struct isci_request *scic_request_by_tag(struct scic_sds_controller *scic,
void scic_sds_controller_power_control_queue_insert(
struct scic_sds_controller *scic,
struct scic_sds_phy *sci_phy);
struct isci_phy *iphy);
void scic_sds_controller_power_control_queue_remove(
struct scic_sds_controller *scic,
struct scic_sds_phy *sci_phy);
struct isci_phy *iphy);
void scic_sds_controller_link_up(
struct scic_sds_controller *scic,
struct scic_sds_port *sci_port,
struct scic_sds_phy *sci_phy);
struct isci_phy *iphy);
void scic_sds_controller_link_down(
struct scic_sds_controller *scic,
struct scic_sds_port *sci_port,
struct scic_sds_phy *sci_phy);
struct isci_phy *iphy);
void scic_sds_controller_remote_device_stopped(
struct scic_sds_controller *scic,
......@@ -651,7 +650,7 @@ void isci_host_deinit(
void isci_host_port_link_up(
struct isci_host *,
struct scic_sds_port *,
struct scic_sds_phy *);
struct isci_phy *);
int isci_host_dev_found(struct domain_device *);
void isci_host_remote_device_start_complete(
......
drivers/scsi/isci/phy.c
View file @ 85280955
......@@ -62,9 +62,9 @@
/* Maximum arbitration wait time in micro-seconds */
#define SCIC_SDS_PHY_MAX_ARBITRATION_WAIT_TIME (700)
enum sas_linkrate sci_phy_linkrate(struct scic_sds_phy *sci_phy)
enum sas_linkrate sci_phy_linkrate(struct isci_phy *iphy)
{
return sci_phy->max_negotiated_speed;
return iphy->max_negotiated_speed;
}
/*
......@@ -80,23 +80,23 @@ enum sas_linkrate sci_phy_linkrate(struct scic_sds_phy *sci_phy)
* enum sci_status
*/
static enum sci_status scic_sds_phy_transport_layer_initialization(
struct scic_sds_phy *sci_phy,
struct isci_phy *iphy,
struct scu_transport_layer_registers __iomem *transport_layer_registers)
{
u32 tl_control;
sci_phy->transport_layer_registers = transport_layer_registers;
iphy->transport_layer_registers = transport_layer_registers;
writel(SCIC_SDS_REMOTE_NODE_CONTEXT_INVALID_INDEX,
&sci_phy->transport_layer_registers->stp_rni);
&iphy->transport_layer_registers->stp_rni);
/*
* Hardware team recommends that we enable the STP prefetch for all
* transports
*/
tl_control = readl(&sci_phy->transport_layer_registers->control);
tl_control = readl(&iphy->transport_layer_registers->control);
tl_control |= SCU_TLCR_GEN_BIT(STP_WRITE_DATA_PREFETCH);
writel(tl_control, &sci_phy->transport_layer_registers->control);
writel(tl_control, &iphy->transport_layer_registers->control);
return SCI_SUCCESS;
}
......@@ -109,12 +109,12 @@ static enum sci_status scic_sds_phy_transport_layer_initialization(
* enum sci_status
*/
static enum sci_status
scic_sds_phy_link_layer_initialization(struct scic_sds_phy *sci_phy,
scic_sds_phy_link_layer_initialization(struct isci_phy *iphy,
struct scu_link_layer_registers __iomem *link_layer_registers)
{
struct scic_sds_controller *scic =
sci_phy->owning_port->owning_controller;
int phy_idx = sci_phy->phy_index;
iphy->owning_port->owning_controller;
int phy_idx = iphy->phy_index;
struct sci_phy_user_params *phy_user =
&scic->user_parameters.sds1.phys[phy_idx];
struct sci_phy_oem_params *phy_oem =
......@@ -126,7 +126,7 @@ scic_sds_phy_link_layer_initialization(struct scic_sds_phy *sci_phy,
u32 llctl, link_rate;
u32 clksm_value = 0;
sci_phy->link_layer_registers = link_layer_registers;
iphy->link_layer_registers = link_layer_registers;
/* Set our IDENTIFY frame data */
#define SCI_END_DEVICE 0x01
......@@ -136,32 +136,32 @@ scic_sds_phy_link_layer_initialization(struct scic_sds_phy *sci_phy,
SCU_SAS_TIID_GEN_BIT(STP_INITIATOR) |
SCU_SAS_TIID_GEN_BIT(DA_SATA_HOST) |
SCU_SAS_TIID_GEN_VAL(DEVICE_TYPE, SCI_END_DEVICE),
&sci_phy->link_layer_registers->transmit_identification);
&iphy->link_layer_registers->transmit_identification);
/* Write the device SAS Address */
writel(0xFEDCBA98,
&sci_phy->link_layer_registers->sas_device_name_high);
writel(phy_idx, &sci_phy->link_layer_registers->sas_device_name_low);
&iphy->link_layer_registers->sas_device_name_high);
writel(phy_idx, &iphy->link_layer_registers->sas_device_name_low);
/* Write the source SAS Address */
writel(phy_oem->sas_address.high,
&sci_phy->link_layer_registers->source_sas_address_high);
&iphy->link_layer_registers->source_sas_address_high);
writel(phy_oem->sas_address.low,
&sci_phy->link_layer_registers->source_sas_address_low);
&iphy->link_layer_registers->source_sas_address_low);
/* Clear and Set the PHY Identifier */
writel(0, &sci_phy->link_layer_registers->identify_frame_phy_id);
writel(0, &iphy->link_layer_registers->identify_frame_phy_id);
writel(SCU_SAS_TIPID_GEN_VALUE(ID, phy_idx),
&sci_phy->link_layer_registers->identify_frame_phy_id);
&iphy->link_layer_registers->identify_frame_phy_id);
/* Change the initial state of the phy configuration register */
phy_configuration =
readl(&sci_phy->link_layer_registers->phy_configuration);
readl(&iphy->link_layer_registers->phy_configuration);
/* Hold OOB state machine in reset */
phy_configuration |= SCU_SAS_PCFG_GEN_BIT(OOB_RESET);
writel(phy_configuration,
&sci_phy->link_layer_registers->phy_configuration);
&iphy->link_layer_registers->phy_configuration);
/* Configure the SNW capabilities */
phy_cap.all = 0;
......@@ -191,14 +191,14 @@ scic_sds_phy_link_layer_initialization(struct scic_sds_phy *sci_phy,
if ((parity_count % 2) != 0)
phy_cap.parity = 1;
writel(phy_cap.all, &sci_phy->link_layer_registers->phy_capabilities);
writel(phy_cap.all, &iphy->link_layer_registers->phy_capabilities);
/* Set the enable spinup period but disable the ability to send
* notify enable spinup
*/
writel(SCU_ENSPINUP_GEN_VAL(COUNT,
phy_user->notify_enable_spin_up_insertion_frequency),
&sci_phy->link_layer_registers->notify_enable_spinup_control);
&iphy->link_layer_registers->notify_enable_spinup_control);
/* Write the ALIGN Insertion Ferequency for connected phy and
* inpendent of connected state
......@@ -209,11 +209,11 @@ scic_sds_phy_link_layer_initialization(struct scic_sds_phy *sci_phy,
clksm_value |= SCU_ALIGN_INSERTION_FREQUENCY_GEN_VAL(GENERAL,
phy_user->align_insertion_frequency);
writel(clksm_value, &sci_phy->link_layer_registers->clock_skew_management);
writel(clksm_value, &iphy->link_layer_registers->clock_skew_management);
/* @todo Provide a way to write this register correctly */
writel(0x02108421,
&sci_phy->link_layer_registers->afe_lookup_table_control);
&iphy->link_layer_registers->afe_lookup_table_control);
llctl = SCU_SAS_LLCTL_GEN_VAL(NO_OUTBOUND_TASK_TIMEOUT,
(u8)scic->user_parameters.sds1.no_outbound_task_timeout);
......@@ -230,7 +230,7 @@ scic_sds_phy_link_layer_initialization(struct scic_sds_phy *sci_phy,
break;
}
llctl |= SCU_SAS_LLCTL_GEN_VAL(MAX_LINK_RATE, link_rate);
writel(llctl, &sci_phy->link_layer_registers->link_layer_control);
writel(llctl, &iphy->link_layer_registers->link_layer_control);
if (is_a0() || is_a2()) {
/* Program the max ARB time for the PHY to 700us so we inter-operate with
......@@ -239,14 +239,14 @@ scic_sds_phy_link_layer_initialization(struct scic_sds_phy *sci_phy,
* generate the break.
*/
writel(SCIC_SDS_PHY_MAX_ARBITRATION_WAIT_TIME,
&sci_phy->link_layer_registers->maximum_arbitration_wait_timer_timeout);
&iphy->link_layer_registers->maximum_arbitration_wait_timer_timeout);
}
/* Disable link layer hang detection, rely on the OS timeout for I/O timeouts. */
writel(0, &sci_phy->link_layer_registers->link_layer_hang_detection_timeout);
writel(0, &iphy->link_layer_registers->link_layer_hang_detection_timeout);
/* We can exit the initial state to the stopped state */
sci_change_state(&sci_phy->sm, SCI_PHY_STOPPED);
sci_change_state(&iphy->sm, SCI_PHY_STOPPED);
return SCI_SUCCESS;
}
......@@ -254,8 +254,8 @@ scic_sds_phy_link_layer_initialization(struct scic_sds_phy *sci_phy,
static void phy_sata_timeout(unsigned long data)
{
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);
struct isci_phy *iphy = container_of(tmr, typeof(*iphy), sata_timer);
struct isci_host *ihost = scic_to_ihost(iphy->owning_port->owning_controller);
unsigned long flags;
spin_lock_irqsave(&ihost->scic_lock, flags);
......@@ -263,13 +263,13 @@ static void phy_sata_timeout(unsigned long data)
if (tmr->cancel)
goto done;
dev_dbg(sciphy_to_dev(sci_phy),
dev_dbg(sciphy_to_dev(iphy),
"%s: SCIC SDS Phy 0x%p did not receive signature fis before "
"timeout.\n",
__func__,
sci_phy);
iphy);
sci_change_state(&sci_phy->sm, SCI_PHY_STARTING);
sci_change_state(&iphy->sm, SCI_PHY_STARTING);
done:
spin_unlock_irqrestore(&ihost->scic_lock, flags);
}
......@@ -287,30 +287,30 @@ static void phy_sata_timeout(unsigned long data)
* values indicate a handle/pointer to the port containing the phy.
*/
struct scic_sds_port *phy_get_non_dummy_port(
struct scic_sds_phy *sci_phy)
struct isci_phy *iphy)
{
if (scic_sds_port_get_index(sci_phy->owning_port) == SCIC_SDS_DUMMY_PORT)
if (scic_sds_port_get_index(iphy->owning_port) == SCIC_SDS_DUMMY_PORT)
return NULL;
return sci_phy->owning_port;
return iphy->owning_port;
}
/**
* This method will assign a port to the phy object.
* @out]: sci_phy This parameter specifies the phy for which to assign a port
* @out]: iphy This parameter specifies the phy for which to assign a port
* object.
*
*
*/
void scic_sds_phy_set_port(
struct scic_sds_phy *sci_phy,
struct isci_phy *iphy,
struct scic_sds_port *sci_port)
{
sci_phy->owning_port = sci_port;
iphy->owning_port = sci_port;
if (sci_phy->bcn_received_while_port_unassigned) {
sci_phy->bcn_received_while_port_unassigned = false;
scic_sds_port_broadcast_change_received(sci_phy->owning_port, sci_phy);
if (iphy->bcn_received_while_port_unassigned) {
iphy->bcn_received_while_port_unassigned = false;
scic_sds_port_broadcast_change_received(iphy->owning_port, iphy);
}
}
......@@ -322,22 +322,22 @@ void scic_sds_phy_set_port(
* enum sci_status
*/
enum sci_status scic_sds_phy_initialize(
struct scic_sds_phy *sci_phy,
struct isci_phy *iphy,
struct scu_transport_layer_registers __iomem *transport_layer_registers,
struct scu_link_layer_registers __iomem *link_layer_registers)
{
/* Perfrom the initialization of the TL hardware */
scic_sds_phy_transport_layer_initialization(
sci_phy,
iphy,
transport_layer_registers);
/* Perofrm the initialization of the PE hardware */
scic_sds_phy_link_layer_initialization(sci_phy, link_layer_registers);
scic_sds_phy_link_layer_initialization(iphy, link_layer_registers);
/*
* There is nothing that needs to be done in this state just
* transition to the stopped state. */
sci_change_state(&sci_phy->sm, SCI_PHY_STOPPED);
sci_change_state(&iphy->sm, SCI_PHY_STOPPED);
return SCI_SUCCESS;
}
......@@ -345,27 +345,27 @@ enum sci_status scic_sds_phy_initialize(
/**
* This method assigns the direct attached device ID for this phy.
*
* @sci_phy The phy for which the direct attached device id is to
* @iphy The phy for which the direct attached device id is to
* be assigned.
* @device_id The direct attached device ID to assign to the phy.
* This will either be the RNi for the device or an invalid RNi if there
* is no current device assigned to the phy.
*/
void scic_sds_phy_setup_transport(
struct scic_sds_phy *sci_phy,
struct isci_phy *iphy,
u32 device_id)
{
u32 tl_control;
writel(device_id, &sci_phy->transport_layer_registers->stp_rni);
writel(device_id, &iphy->transport_layer_registers->stp_rni);
/*
* The read should guarantee that the first write gets posted
* before the next write
*/
tl_control = readl(&sci_phy->transport_layer_registers->control);
tl_control = readl(&iphy->transport_layer_registers->control);
tl_control |= SCU_TLCR_GEN_BIT(CLEAR_TCI_NCQ_MAPPING_TABLE);
writel(tl_control, &sci_phy->transport_layer_registers->control);
writel(tl_control, &iphy->transport_layer_registers->control);
}
/**
......@@ -376,75 +376,74 @@ void scic_sds_phy_setup_transport(
* hardware protocol engine. none
*/
static void scic_sds_phy_suspend(
struct scic_sds_phy *sci_phy)
struct isci_phy *iphy)
{
u32 scu_sas_pcfg_value;
scu_sas_pcfg_value =
readl(&sci_phy->link_layer_registers->phy_configuration);
readl(&iphy->link_layer_registers->phy_configuration);
scu_sas_pcfg_value |= SCU_SAS_PCFG_GEN_BIT(SUSPEND_PROTOCOL_ENGINE);
writel(scu_sas_pcfg_value,
&sci_phy->link_layer_registers->phy_configuration);
&iphy->link_layer_registers->phy_configuration);
scic_sds_phy_setup_transport(
sci_phy,
iphy,
SCIC_SDS_REMOTE_NODE_CONTEXT_INVALID_INDEX);
}
void scic_sds_phy_resume(struct scic_sds_phy *sci_phy)
void scic_sds_phy_resume(struct isci_phy *iphy)
{
u32 scu_sas_pcfg_value;
scu_sas_pcfg_value =
readl(&sci_phy->link_layer_registers->phy_configuration);
readl(&iphy->link_layer_registers->phy_configuration);
scu_sas_pcfg_value &= ~SCU_SAS_PCFG_GEN_BIT(SUSPEND_PROTOCOL_ENGINE);
writel(scu_sas_pcfg_value,
&sci_phy->link_layer_registers->phy_configuration);
&iphy->link_layer_registers->phy_configuration);
}
void scic_sds_phy_get_sas_address(struct scic_sds_phy *sci_phy,
void scic_sds_phy_get_sas_address(struct isci_phy *iphy,
struct sci_sas_address *sas_address)
{
sas_address->high = readl(&sci_phy->link_layer_registers->source_sas_address_high);
sas_address->low = readl(&sci_phy->link_layer_registers->source_sas_address_low);
sas_address->high = readl(&iphy->link_layer_registers->source_sas_address_high);
sas_address->low = readl(&iphy->link_layer_registers->source_sas_address_low);
}
void scic_sds_phy_get_attached_sas_address(struct scic_sds_phy *sci_phy,
void scic_sds_phy_get_attached_sas_address(struct isci_phy *iphy,
struct sci_sas_address *sas_address)
{
struct sas_identify_frame *iaf;
struct isci_phy *iphy = sci_phy_to_iphy(sci_phy);
iaf = &iphy->frame_rcvd.iaf;
memcpy(sas_address, iaf->sas_addr, SAS_ADDR_SIZE);
}
void scic_sds_phy_get_protocols(struct scic_sds_phy *sci_phy,
void scic_sds_phy_get_protocols(struct isci_phy *iphy,
struct scic_phy_proto *protocols)
{
protocols->all =
(u16)(readl(&sci_phy->
(u16)(readl(&iphy->
link_layer_registers->transmit_identification) &
0x0000FFFF);
}
enum sci_status scic_sds_phy_start(struct scic_sds_phy *sci_phy)
enum sci_status scic_sds_phy_start(struct isci_phy *iphy)
{
enum scic_sds_phy_states state = sci_phy->sm.current_state_id;
enum scic_sds_phy_states state = iphy->sm.current_state_id;
if (state != SCI_PHY_STOPPED) {
dev_dbg(sciphy_to_dev(sci_phy),
dev_dbg(sciphy_to_dev(iphy),
"%s: in wrong state: %d\n", __func__, state);
return SCI_FAILURE_INVALID_STATE;
}
sci_change_state(&sci_phy->sm, SCI_PHY_STARTING);
sci_change_state(&iphy->sm, SCI_PHY_STARTING);
return SCI_SUCCESS;
}
enum sci_status scic_sds_phy_stop(struct scic_sds_phy *sci_phy)
enum sci_status scic_sds_phy_stop(struct isci_phy *iphy)
{
enum scic_sds_phy_states state = sci_phy->sm.current_state_id;
enum scic_sds_phy_states state = iphy->sm.current_state_id;
switch (state) {
case SCI_PHY_SUB_INITIAL:
......@@ -459,43 +458,43 @@ enum sci_status scic_sds_phy_stop(struct scic_sds_phy *sci_phy)
case SCI_PHY_READY:
break;
default:
dev_dbg(sciphy_to_dev(sci_phy),
dev_dbg(sciphy_to_dev(iphy),
"%s: in wrong state: %d\n", __func__, state);
return SCI_FAILURE_INVALID_STATE;
}
sci_change_state(&sci_phy->sm, SCI_PHY_STOPPED);
sci_change_state(&iphy->sm, SCI_PHY_STOPPED);
return SCI_SUCCESS;
}
enum sci_status scic_sds_phy_reset(struct scic_sds_phy *sci_phy)
enum sci_status scic_sds_phy_reset(struct isci_phy *iphy)
{
enum scic_sds_phy_states state = sci_phy->sm.current_state_id;
enum scic_sds_phy_states state = iphy->sm.current_state_id;
if (state != SCI_PHY_READY) {
dev_dbg(sciphy_to_dev(sci_phy),
dev_dbg(sciphy_to_dev(iphy),
"%s: in wrong state: %d\n", __func__, state);
return SCI_FAILURE_INVALID_STATE;
}
sci_change_state(&sci_phy->sm, SCI_PHY_RESETTING);
sci_change_state(&iphy->sm, SCI_PHY_RESETTING);
return SCI_SUCCESS;
}
enum sci_status scic_sds_phy_consume_power_handler(struct scic_sds_phy *sci_phy)
enum sci_status scic_sds_phy_consume_power_handler(struct isci_phy *iphy)
{
enum scic_sds_phy_states state = sci_phy->sm.current_state_id;
enum scic_sds_phy_states state = iphy->sm.current_state_id;
switch (state) {
case SCI_PHY_SUB_AWAIT_SAS_POWER: {
u32 enable_spinup;
enable_spinup = readl(&sci_phy->link_layer_registers->notify_enable_spinup_control);
enable_spinup = readl(&iphy->link_layer_registers->notify_enable_spinup_control);
enable_spinup |= SCU_ENSPINUP_GEN_BIT(ENABLE);
writel(enable_spinup, &sci_phy->link_layer_registers->notify_enable_spinup_control);
writel(enable_spinup, &iphy->link_layer_registers->notify_enable_spinup_control);
/* Change state to the final state this substate machine has run to completion */
sci_change_state(&sci_phy->sm, SCI_PHY_SUB_FINAL);
sci_change_state(&iphy->sm, SCI_PHY_SUB_FINAL);
return SCI_SUCCESS;
}
......@@ -504,26 +503,26 @@ enum sci_status scic_sds_phy_consume_power_handler(struct scic_sds_phy *sci_phy)
/* Release the spinup hold state and reset the OOB state machine */
scu_sas_pcfg_value =
readl(&sci_phy->link_layer_registers->phy_configuration);
readl(&iphy->link_layer_registers->phy_configuration);
scu_sas_pcfg_value &=
~(SCU_SAS_PCFG_GEN_BIT(SATA_SPINUP_HOLD) | SCU_SAS_PCFG_GEN_BIT(OOB_ENABLE));
scu_sas_pcfg_value |= SCU_SAS_PCFG_GEN_BIT(OOB_RESET);
writel(scu_sas_pcfg_value,
&sci_phy->link_layer_registers->phy_configuration);
&iphy->link_layer_registers->phy_configuration);
/* Now restart the OOB operation */
scu_sas_pcfg_value &= ~SCU_SAS_PCFG_GEN_BIT(OOB_RESET);
scu_sas_pcfg_value |= SCU_SAS_PCFG_GEN_BIT(OOB_ENABLE);
writel(scu_sas_pcfg_value,
&sci_phy->link_layer_registers->phy_configuration);
&iphy->link_layer_registers->phy_configuration);
/* Change state to the final state this substate machine has run to completion */
sci_change_state(&sci_phy->sm, SCI_PHY_SUB_AWAIT_SATA_PHY_EN);
sci_change_state(&iphy->sm, SCI_PHY_SUB_AWAIT_SATA_PHY_EN);
return SCI_SUCCESS;
}
default:
dev_dbg(sciphy_to_dev(sci_phy),
dev_dbg(sciphy_to_dev(iphy),
"%s: in wrong state: %d\n", __func__, state);
return SCI_FAILURE_INVALID_STATE;
}
......@@ -545,19 +544,19 @@ enum sci_status scic_sds_phy_consume_power_handler(struct scic_sds_phy *sci_phy)
* none
*/
static void scic_sds_phy_start_sas_link_training(
struct scic_sds_phy *sci_phy)
struct isci_phy *iphy)
{
u32 phy_control;
phy_control =
readl(&sci_phy->link_layer_registers->phy_configuration);
readl(&iphy->link_layer_registers->phy_configuration);
phy_control |= SCU_SAS_PCFG_GEN_BIT(SATA_SPINUP_HOLD);
writel(phy_control,
&sci_phy->link_layer_registers->phy_configuration);
&iphy->link_layer_registers->phy_configuration);
sci_change_state(&sci_phy->sm, SCI_PHY_SUB_AWAIT_SAS_SPEED_EN);
sci_change_state(&iphy->sm, SCI_PHY_SUB_AWAIT_SAS_SPEED_EN);
sci_phy->protocol = SCIC_SDS_PHY_PROTOCOL_SAS;
iphy->protocol = SCIC_SDS_PHY_PROTOCOL_SAS;
}
/**
......@@ -569,11 +568,11 @@ static void scic_sds_phy_start_sas_link_training(
* SPINUP HOLD event when the state machine was expecting a SAS PHY event. none
*/
static void scic_sds_phy_start_sata_link_training(
struct scic_sds_phy *sci_phy)
struct isci_phy *iphy)
{
sci_change_state(&sci_phy->sm, SCI_PHY_SUB_AWAIT_SATA_POWER);
sci_change_state(&iphy->sm, SCI_PHY_SUB_AWAIT_SATA_POWER);
sci_phy->protocol = SCIC_SDS_PHY_PROTOCOL_SATA;
iphy->protocol = SCIC_SDS_PHY_PROTOCOL_SATA;
}
/**
......@@ -588,33 +587,33 @@ static void scic_sds_phy_start_sata_link_training(
*
*/
static void scic_sds_phy_complete_link_training(
struct scic_sds_phy *sci_phy,
struct isci_phy *iphy,
enum sas_linkrate max_link_rate,
u32 next_state)
{
sci_phy->max_negotiated_speed = max_link_rate;
iphy->max_negotiated_speed = max_link_rate;
sci_change_state(&sci_phy->sm, next_state);
sci_change_state(&iphy->sm, next_state);
}
enum sci_status scic_sds_phy_event_handler(struct scic_sds_phy *sci_phy,
enum sci_status scic_sds_phy_event_handler(struct isci_phy *iphy,
u32 event_code)
{
enum scic_sds_phy_states state = sci_phy->sm.current_state_id;
enum scic_sds_phy_states state = iphy->sm.current_state_id;
switch (state) {
case SCI_PHY_SUB_AWAIT_OSSP_EN:
switch (scu_get_event_code(event_code)) {
case SCU_EVENT_SAS_PHY_DETECTED:
scic_sds_phy_start_sas_link_training(sci_phy);
sci_phy->is_in_link_training = true;
scic_sds_phy_start_sas_link_training(iphy);
iphy->is_in_link_training = true;
break;
case SCU_EVENT_SATA_SPINUP_HOLD:
scic_sds_phy_start_sata_link_training(sci_phy);
sci_phy->is_in_link_training = true;
scic_sds_phy_start_sata_link_training(iphy);
iphy->is_in_link_training = true;
break;
default:
dev_dbg(sciphy_to_dev(sci_phy),
dev_dbg(sciphy_to_dev(iphy),
"%s: PHY starting substate machine received "
"unexpected event_code %x\n",
__func__,
......@@ -632,21 +631,21 @@ enum sci_status scic_sds_phy_event_handler(struct scic_sds_phy *sci_phy,
case SCU_EVENT_SAS_15:
case SCU_EVENT_SAS_15_SSC:
scic_sds_phy_complete_link_training(
sci_phy,
iphy,
SAS_LINK_RATE_1_5_GBPS,
SCI_PHY_SUB_AWAIT_IAF_UF);
break;
case SCU_EVENT_SAS_30:
case SCU_EVENT_SAS_30_SSC:
scic_sds_phy_complete_link_training(
sci_phy,
iphy,
SAS_LINK_RATE_3_0_GBPS,
SCI_PHY_SUB_AWAIT_IAF_UF);
break;
case SCU_EVENT_SAS_60:
case SCU_EVENT_SAS_60_SSC:
scic_sds_phy_complete_link_training(
sci_phy,
iphy,
SAS_LINK_RATE_6_0_GBPS,
SCI_PHY_SUB_AWAIT_IAF_UF);
break;
......@@ -654,14 +653,14 @@ enum sci_status scic_sds_phy_event_handler(struct scic_sds_phy *sci_phy,
/*
* We were doing SAS PHY link training and received a SATA PHY event
* continue OOB/SN as if this were a SATA PHY */
scic_sds_phy_start_sata_link_training(sci_phy);
scic_sds_phy_start_sata_link_training(iphy);
break;
case SCU_EVENT_LINK_FAILURE:
/* Link failure change state back to the starting state */
sci_change_state(&sci_phy->sm, SCI_PHY_STARTING);
sci_change_state(&iphy->sm, SCI_PHY_STARTING);
break;
default:
dev_warn(sciphy_to_dev(sci_phy),
dev_warn(sciphy_to_dev(iphy),
"%s: PHY starting substate machine received "
"unexpected event_code %x\n",
__func__, event_code);
......@@ -674,23 +673,23 @@ enum sci_status scic_sds_phy_event_handler(struct scic_sds_phy *sci_phy,
switch (scu_get_event_code(event_code)) {
case SCU_EVENT_SAS_PHY_DETECTED:
/* Backup the state machine */
scic_sds_phy_start_sas_link_training(sci_phy);
scic_sds_phy_start_sas_link_training(iphy);
break;
case SCU_EVENT_SATA_SPINUP_HOLD:
/* We were doing SAS PHY link training and received a
* SATA PHY event continue OOB/SN as if this were a
* SATA PHY
*/
scic_sds_phy_start_sata_link_training(sci_phy);
scic_sds_phy_start_sata_link_training(iphy);
break;
case SCU_EVENT_RECEIVED_IDENTIFY_TIMEOUT:
case SCU_EVENT_LINK_FAILURE:
case SCU_EVENT_HARD_RESET_RECEIVED:
/* Start the oob/sn state machine over again */
sci_change_state(&sci_phy->sm, SCI_PHY_STARTING);
sci_change_state(&iphy->sm, SCI_PHY_STARTING);
break;
default:
dev_warn(sciphy_to_dev(sci_phy),
dev_warn(sciphy_to_dev(iphy),
"%s: PHY starting substate machine received "
"unexpected event_code %x\n",
__func__, event_code);
......@@ -701,10 +700,10 @@ enum sci_status scic_sds_phy_event_handler(struct scic_sds_phy *sci_phy,
switch (scu_get_event_code(event_code)) {
case SCU_EVENT_LINK_FAILURE:
/* Link failure change state back to the starting state */
sci_change_state(&sci_phy->sm, SCI_PHY_STARTING);
sci_change_state(&iphy->sm, SCI_PHY_STARTING);
break;
default:
dev_warn(sciphy_to_dev(sci_phy),
dev_warn(sciphy_to_dev(iphy),
"%s: PHY starting substate machine received unexpected "
"event_code %x\n",
__func__,
......@@ -716,7 +715,7 @@ enum sci_status scic_sds_phy_event_handler(struct scic_sds_phy *sci_phy,
switch (scu_get_event_code(event_code)) {
case SCU_EVENT_LINK_FAILURE:
/* Link failure change state back to the starting state */
sci_change_state(&sci_phy->sm, SCI_PHY_STARTING);
sci_change_state(&iphy->sm, SCI_PHY_STARTING);
break;
case SCU_EVENT_SATA_SPINUP_HOLD:
/* These events are received every 10ms and are
......@@ -728,11 +727,11 @@ enum sci_status scic_sds_phy_event_handler(struct scic_sds_phy *sci_phy,
/* There has been a change in the phy type before OOB/SN for the
* SATA finished start down the SAS link traning path.
*/
scic_sds_phy_start_sas_link_training(sci_phy);
scic_sds_phy_start_sas_link_training(iphy);
break;
default:
dev_warn(sciphy_to_dev(sci_phy),
dev_warn(sciphy_to_dev(iphy),
"%s: PHY starting substate machine received "
"unexpected event_code %x\n",
__func__, event_code);
......@@ -744,7 +743,7 @@ enum sci_status scic_sds_phy_event_handler(struct scic_sds_phy *sci_phy,
switch (scu_get_event_code(event_code)) {
case SCU_EVENT_LINK_FAILURE:
/* Link failure change state back to the starting state */
sci_change_state(&sci_phy->sm, SCI_PHY_STARTING);
sci_change_state(&iphy->sm, SCI_PHY_STARTING);
break;
case SCU_EVENT_SATA_SPINUP_HOLD:
/* These events might be received since we dont know how many may be in
......@@ -752,19 +751,19 @@ enum sci_status scic_sds_phy_event_handler(struct scic_sds_phy *sci_phy,
*/
break;
case SCU_EVENT_SATA_PHY_DETECTED:
sci_phy->protocol = SCIC_SDS_PHY_PROTOCOL_SATA;
iphy->protocol = SCIC_SDS_PHY_PROTOCOL_SATA;
/* We have received the SATA PHY notification change state */
sci_change_state(&sci_phy->sm, SCI_PHY_SUB_AWAIT_SATA_SPEED_EN);
sci_change_state(&iphy->sm, SCI_PHY_SUB_AWAIT_SATA_SPEED_EN);
break;
case SCU_EVENT_SAS_PHY_DETECTED:
/* There has been a change in the phy type before OOB/SN for the
* SATA finished start down the SAS link traning path.
*/
scic_sds_phy_start_sas_link_training(sci_phy);
scic_sds_phy_start_sas_link_training(iphy);
break;
default:
dev_warn(sciphy_to_dev(sci_phy),
dev_warn(sciphy_to_dev(iphy),
"%s: PHY starting substate machine received "
"unexpected event_code %x\n",
__func__,
......@@ -783,36 +782,36 @@ enum sci_status scic_sds_phy_event_handler(struct scic_sds_phy *sci_phy,
case SCU_EVENT_SATA_15:
case SCU_EVENT_SATA_15_SSC:
scic_sds_phy_complete_link_training(
sci_phy,
iphy,
SAS_LINK_RATE_1_5_GBPS,
SCI_PHY_SUB_AWAIT_SIG_FIS_UF);
break;
case SCU_EVENT_SATA_30:
case SCU_EVENT_SATA_30_SSC:
scic_sds_phy_complete_link_training(
sci_phy,
iphy,
SAS_LINK_RATE_3_0_GBPS,
SCI_PHY_SUB_AWAIT_SIG_FIS_UF);
break;
case SCU_EVENT_SATA_60:
case SCU_EVENT_SATA_60_SSC:
scic_sds_phy_complete_link_training(
sci_phy,
iphy,
SAS_LINK_RATE_6_0_GBPS,
SCI_PHY_SUB_AWAIT_SIG_FIS_UF);
break;
case SCU_EVENT_LINK_FAILURE:
/* Link failure change state back to the starting state */
sci_change_state(&sci_phy->sm, SCI_PHY_STARTING);
sci_change_state(&iphy->sm, SCI_PHY_STARTING);
break;
case SCU_EVENT_SAS_PHY_DETECTED:
/*
* There has been a change in the phy type before OOB/SN for the
* SATA finished start down the SAS link traning path. */
scic_sds_phy_start_sas_link_training(sci_phy);
scic_sds_phy_start_sas_link_training(iphy);
break;
default:
dev_warn(sciphy_to_dev(sci_phy),
dev_warn(sciphy_to_dev(iphy),
"%s: PHY starting substate machine received "
"unexpected event_code %x\n",
__func__, event_code);
......@@ -825,16 +824,16 @@ enum sci_status scic_sds_phy_event_handler(struct scic_sds_phy *sci_phy,
switch (scu_get_event_code(event_code)) {
case SCU_EVENT_SATA_PHY_DETECTED:
/* Backup the state machine */
sci_change_state(&sci_phy->sm, SCI_PHY_SUB_AWAIT_SATA_SPEED_EN);
sci_change_state(&iphy->sm, SCI_PHY_SUB_AWAIT_SATA_SPEED_EN);
break;
case SCU_EVENT_LINK_FAILURE:
/* Link failure change state back to the starting state */
sci_change_state(&sci_phy->sm, SCI_PHY_STARTING);
sci_change_state(&iphy->sm, SCI_PHY_STARTING);
break;
default:
dev_warn(sciphy_to_dev(sci_phy),
dev_warn(sciphy_to_dev(iphy),
"%s: PHY starting substate machine received "
"unexpected event_code %x\n",
__func__,
......@@ -847,20 +846,20 @@ enum sci_status scic_sds_phy_event_handler(struct scic_sds_phy *sci_phy,
switch (scu_get_event_code(event_code)) {
case SCU_EVENT_LINK_FAILURE:
/* Link failure change state back to the starting state */
sci_change_state(&sci_phy->sm, SCI_PHY_STARTING);
sci_change_state(&iphy->sm, SCI_PHY_STARTING);
break;
case SCU_EVENT_BROADCAST_CHANGE:
/* Broadcast change received. Notify the port. */
if (phy_get_non_dummy_port(sci_phy) != NULL)
scic_sds_port_broadcast_change_received(sci_phy->owning_port, sci_phy);
if (phy_get_non_dummy_port(iphy) != NULL)
scic_sds_port_broadcast_change_received(iphy->owning_port, iphy);
else
sci_phy->bcn_received_while_port_unassigned = true;
iphy->bcn_received_while_port_unassigned = true;
break;
default:
dev_warn(sciphy_to_dev(sci_phy),
dev_warn(sciphy_to_dev(iphy),
"%sP SCIC PHY 0x%p ready state machine received "
"unexpected event_code %x\n",
__func__, sci_phy, event_code);
__func__, iphy, event_code);
return SCI_FAILURE_INVALID_STATE;
}
return SCI_SUCCESS;
......@@ -868,30 +867,30 @@ enum sci_status scic_sds_phy_event_handler(struct scic_sds_phy *sci_phy,
switch (scu_get_event_code(event_code)) {
case SCU_EVENT_HARD_RESET_TRANSMITTED:
/* Link failure change state back to the starting state */
sci_change_state(&sci_phy->sm, SCI_PHY_STARTING);
sci_change_state(&iphy->sm, SCI_PHY_STARTING);
break;
default:
dev_warn(sciphy_to_dev(sci_phy),
dev_warn(sciphy_to_dev(iphy),
"%s: SCIC PHY 0x%p resetting state machine received "
"unexpected event_code %x\n",
__func__, sci_phy, event_code);
__func__, iphy, event_code);
return SCI_FAILURE_INVALID_STATE;
break;
}
return SCI_SUCCESS;
default:
dev_dbg(sciphy_to_dev(sci_phy),
dev_dbg(sciphy_to_dev(iphy),
"%s: in wrong state: %d\n", __func__, state);
return SCI_FAILURE_INVALID_STATE;
}
}
enum sci_status scic_sds_phy_frame_handler(struct scic_sds_phy *sci_phy,
enum sci_status scic_sds_phy_frame_handler(struct isci_phy *iphy,
u32 frame_index)
{
enum scic_sds_phy_states state = sci_phy->sm.current_state_id;
struct scic_sds_controller *scic = sci_phy->owning_port->owning_controller;
enum scic_sds_phy_states state = iphy->sm.current_state_id;
struct scic_sds_controller *scic = iphy->owning_port->owning_controller;
enum sci_status result;
unsigned long flags;
......@@ -899,7 +898,6 @@ enum sci_status scic_sds_phy_frame_handler(struct scic_sds_phy *sci_phy,
case SCI_PHY_SUB_AWAIT_IAF_UF: {
u32 *frame_words;
struct sas_identify_frame iaf;
struct isci_phy *iphy = sci_phy_to_iphy(sci_phy);
result = scic_sds_unsolicited_frame_control_get_header(&scic->uf_control,
frame_index,
......@@ -927,10 +925,10 @@ enum sci_status scic_sds_phy_frame_handler(struct scic_sds_phy *sci_phy,
*/
state = SCI_PHY_SUB_AWAIT_SAS_POWER;
}
sci_change_state(&sci_phy->sm, state);
sci_change_state(&iphy->sm, state);
result = SCI_SUCCESS;
} else
dev_warn(sciphy_to_dev(sci_phy),
dev_warn(sciphy_to_dev(iphy),
"%s: PHY starting substate machine received "
"unexpected frame id %x\n",
__func__, frame_index);
......@@ -941,10 +939,9 @@ enum sci_status scic_sds_phy_frame_handler(struct scic_sds_phy *sci_phy,
case SCI_PHY_SUB_AWAIT_SIG_FIS_UF: {
struct dev_to_host_fis *frame_header;
u32 *fis_frame_data;
struct isci_phy *iphy = sci_phy_to_iphy(sci_phy);
result = scic_sds_unsolicited_frame_control_get_header(
&(scic_sds_phy_get_controller(sci_phy)->uf_control),
&(scic_sds_phy_get_controller(iphy)->uf_control),
frame_index,
(void **)&frame_header);
......@@ -964,11 +961,11 @@ enum sci_status scic_sds_phy_frame_handler(struct scic_sds_phy *sci_phy,
spin_unlock_irqrestore(&iphy->sas_phy.frame_rcvd_lock, flags);
/* got IAF we can now go to the await spinup semaphore state */
sci_change_state(&sci_phy->sm, SCI_PHY_SUB_FINAL);
sci_change_state(&iphy->sm, SCI_PHY_SUB_FINAL);
result = SCI_SUCCESS;
} else
dev_warn(sciphy_to_dev(sci_phy),
dev_warn(sciphy_to_dev(iphy),
"%s: PHY starting substate machine received "
"unexpected frame id %x\n",
__func__, frame_index);
......@@ -979,7 +976,7 @@ enum sci_status scic_sds_phy_frame_handler(struct scic_sds_phy *sci_phy,
return result;
}
default:
dev_dbg(sciphy_to_dev(sci_phy),
dev_dbg(sciphy_to_dev(iphy),
"%s: in wrong state: %d\n", __func__, state);
return SCI_FAILURE_INVALID_STATE;
}
......@@ -988,77 +985,77 @@ enum sci_status scic_sds_phy_frame_handler(struct scic_sds_phy *sci_phy,
static void scic_sds_phy_starting_initial_substate_enter(struct sci_base_state_machine *sm)
{
struct scic_sds_phy *sci_phy = container_of(sm, typeof(*sci_phy), sm);
struct isci_phy *iphy = container_of(sm, typeof(*iphy), sm);
/* This is just an temporary state go off to the starting state */
sci_change_state(&sci_phy->sm, SCI_PHY_SUB_AWAIT_OSSP_EN);
sci_change_state(&iphy->sm, SCI_PHY_SUB_AWAIT_OSSP_EN);
}
static void scic_sds_phy_starting_await_sas_power_substate_enter(struct sci_base_state_machine *sm)
{
struct scic_sds_phy *sci_phy = container_of(sm, typeof(*sci_phy), sm);
struct scic_sds_controller *scic = sci_phy->owning_port->owning_controller;
struct isci_phy *iphy = container_of(sm, typeof(*iphy), sm);
struct scic_sds_controller *scic = iphy->owning_port->owning_controller;
scic_sds_controller_power_control_queue_insert(scic, sci_phy);
scic_sds_controller_power_control_queue_insert(scic, iphy);
}
static void scic_sds_phy_starting_await_sas_power_substate_exit(struct sci_base_state_machine *sm)
{
struct scic_sds_phy *sci_phy = container_of(sm, typeof(*sci_phy), sm);
struct scic_sds_controller *scic = sci_phy->owning_port->owning_controller;
struct isci_phy *iphy = container_of(sm, typeof(*iphy), sm);
struct scic_sds_controller *scic = iphy->owning_port->owning_controller;
scic_sds_controller_power_control_queue_remove(scic, sci_phy);
scic_sds_controller_power_control_queue_remove(scic, iphy);
}
static void scic_sds_phy_starting_await_sata_power_substate_enter(struct sci_base_state_machine *sm)
{
struct scic_sds_phy *sci_phy = container_of(sm, typeof(*sci_phy), sm);
struct scic_sds_controller *scic = sci_phy->owning_port->owning_controller;
struct isci_phy *iphy = container_of(sm, typeof(*iphy), sm);
struct scic_sds_controller *scic = iphy->owning_port->owning_controller;
scic_sds_controller_power_control_queue_insert(scic, sci_phy);
scic_sds_controller_power_control_queue_insert(scic, iphy);
}
static void scic_sds_phy_starting_await_sata_power_substate_exit(struct sci_base_state_machine *sm)
{
struct scic_sds_phy *sci_phy = container_of(sm, typeof(*sci_phy), sm);
struct scic_sds_controller *scic = sci_phy->owning_port->owning_controller;
struct isci_phy *iphy = container_of(sm, typeof(*iphy), sm);
struct scic_sds_controller *scic = iphy->owning_port->owning_controller;
scic_sds_controller_power_control_queue_remove(scic, sci_phy);
scic_sds_controller_power_control_queue_remove(scic, iphy);
}
static void scic_sds_phy_starting_await_sata_phy_substate_enter(struct sci_base_state_machine *sm)
{
struct scic_sds_phy *sci_phy = container_of(sm, typeof(*sci_phy), sm);
struct isci_phy *iphy = container_of(sm, typeof(*iphy), sm);
sci_mod_timer(&sci_phy->sata_timer, SCIC_SDS_SATA_LINK_TRAINING_TIMEOUT);
sci_mod_timer(&iphy->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), sm);
struct isci_phy *iphy = container_of(sm, typeof(*iphy), sm);
sci_del_timer(&sci_phy->sata_timer);
sci_del_timer(&iphy->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), sm);
struct isci_phy *iphy = container_of(sm, typeof(*iphy), sm);
sci_mod_timer(&sci_phy->sata_timer, SCIC_SDS_SATA_LINK_TRAINING_TIMEOUT);
sci_mod_timer(&iphy->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), sm);
struct isci_phy *iphy = container_of(sm, typeof(*iphy), sm);
sci_del_timer(&sci_phy->sata_timer);
sci_del_timer(&iphy->sata_timer);
}
static void scic_sds_phy_starting_await_sig_fis_uf_substate_enter(struct sci_base_state_machine *sm)
{
struct scic_sds_phy *sci_phy = container_of(sm, typeof(*sci_phy), sm);
struct isci_phy *iphy = container_of(sm, typeof(*iphy), sm);
if (scic_sds_port_link_detected(sci_phy->owning_port, sci_phy)) {
if (scic_sds_port_link_detected(iphy->owning_port, iphy)) {
/*
* Clear the PE suspend condition so we can actually
......@@ -1066,79 +1063,79 @@ static void scic_sds_phy_starting_await_sig_fis_uf_substate_enter(struct sci_bas
* The hardware will not respond to the XRDY until the PE
* suspend condition is cleared.
*/
scic_sds_phy_resume(sci_phy);
scic_sds_phy_resume(iphy);
sci_mod_timer(&sci_phy->sata_timer,
sci_mod_timer(&iphy->sata_timer,
SCIC_SDS_SIGNATURE_FIS_TIMEOUT);
} else
sci_phy->is_in_link_training = false;
iphy->is_in_link_training = false;
}
static void scic_sds_phy_starting_await_sig_fis_uf_substate_exit(struct sci_base_state_machine *sm)
{
struct scic_sds_phy *sci_phy = container_of(sm, typeof(*sci_phy), sm);
struct isci_phy *iphy = container_of(sm, typeof(*iphy), sm);
sci_del_timer(&sci_phy->sata_timer);
sci_del_timer(&iphy->sata_timer);
}
static void scic_sds_phy_starting_final_substate_enter(struct sci_base_state_machine *sm)
{
struct scic_sds_phy *sci_phy = container_of(sm, typeof(*sci_phy), sm);
struct isci_phy *iphy = container_of(sm, typeof(*iphy), sm);
/* State machine has run to completion so exit out and change
* the base state machine to the ready state
*/
sci_change_state(&sci_phy->sm, SCI_PHY_READY);
sci_change_state(&iphy->sm, SCI_PHY_READY);
}
/**
*
* @sci_phy: This is the struct scic_sds_phy object to stop.
* @sci_phy: This is the struct isci_phy object to stop.
*
* This method will stop the struct scic_sds_phy object. This does not reset the
* This method will stop the struct isci_phy object. This does not reset the
* protocol engine it just suspends it and places it in a state where it will
* not cause the end device to power up. none
*/
static void scu_link_layer_stop_protocol_engine(
struct scic_sds_phy *sci_phy)
struct isci_phy *iphy)
{
u32 scu_sas_pcfg_value;
u32 enable_spinup_value;
/* Suspend the protocol engine and place it in a sata spinup hold state */
scu_sas_pcfg_value =
readl(&sci_phy->link_layer_registers->phy_configuration);
readl(&iphy->link_layer_registers->phy_configuration);
scu_sas_pcfg_value |=
(SCU_SAS_PCFG_GEN_BIT(OOB_RESET) |
SCU_SAS_PCFG_GEN_BIT(SUSPEND_PROTOCOL_ENGINE) |
SCU_SAS_PCFG_GEN_BIT(SATA_SPINUP_HOLD));
writel(scu_sas_pcfg_value,
&sci_phy->link_layer_registers->phy_configuration);
&iphy->link_layer_registers->phy_configuration);
/* Disable the notify enable spinup primitives */
enable_spinup_value = readl(&sci_phy->link_layer_registers->notify_enable_spinup_control);
enable_spinup_value = readl(&iphy->link_layer_registers->notify_enable_spinup_control);
enable_spinup_value &= ~SCU_ENSPINUP_GEN_BIT(ENABLE);
writel(enable_spinup_value, &sci_phy->link_layer_registers->notify_enable_spinup_control);
writel(enable_spinup_value, &iphy->link_layer_registers->notify_enable_spinup_control);
}
/**
*
*
* This method will start the OOB/SN state machine for this struct scic_sds_phy object.
* This method will start the OOB/SN state machine for this struct isci_phy object.
*/
static void scu_link_layer_start_oob(
struct scic_sds_phy *sci_phy)
struct isci_phy *iphy)
{
u32 scu_sas_pcfg_value;
scu_sas_pcfg_value =
readl(&sci_phy->link_layer_registers->phy_configuration);
readl(&iphy->link_layer_registers->phy_configuration);
scu_sas_pcfg_value |= SCU_SAS_PCFG_GEN_BIT(OOB_ENABLE);
scu_sas_pcfg_value &=
~(SCU_SAS_PCFG_GEN_BIT(OOB_RESET) |
SCU_SAS_PCFG_GEN_BIT(HARD_RESET));
writel(scu_sas_pcfg_value,
&sci_phy->link_layer_registers->phy_configuration);
&iphy->link_layer_registers->phy_configuration);
}
/**
......@@ -1150,7 +1147,7 @@ static void scu_link_layer_start_oob(
* hard reset bit set.
*/
static void scu_link_layer_tx_hard_reset(
struct scic_sds_phy *sci_phy)
struct isci_phy *iphy)
{
u32 phy_configuration_value;
......@@ -1158,91 +1155,91 @@ static void scu_link_layer_tx_hard_reset(
* SAS Phys must wait for the HARD_RESET_TX event notification to transition
* to the starting state. */
phy_configuration_value =
readl(&sci_phy->link_layer_registers->phy_configuration);
readl(&iphy->link_layer_registers->phy_configuration);
phy_configuration_value |=
(SCU_SAS_PCFG_GEN_BIT(HARD_RESET) |
SCU_SAS_PCFG_GEN_BIT(OOB_RESET));
writel(phy_configuration_value,
&sci_phy->link_layer_registers->phy_configuration);
&iphy->link_layer_registers->phy_configuration);
/* Now take the OOB state machine out of reset */
phy_configuration_value |= SCU_SAS_PCFG_GEN_BIT(OOB_ENABLE);
phy_configuration_value &= ~SCU_SAS_PCFG_GEN_BIT(OOB_RESET);
writel(phy_configuration_value,
&sci_phy->link_layer_registers->phy_configuration);
&iphy->link_layer_registers->phy_configuration);
}
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), sm);
struct isci_phy *iphy = container_of(sm, typeof(*iphy), sm);
/*
* @todo We need to get to the controller to place this PE in a
* reset state
*/
sci_del_timer(&sci_phy->sata_timer);
sci_del_timer(&iphy->sata_timer);
scu_link_layer_stop_protocol_engine(sci_phy);
scu_link_layer_stop_protocol_engine(iphy);
if (sci_phy->sm.previous_state_id != SCI_PHY_INITIAL)
scic_sds_controller_link_down(scic_sds_phy_get_controller(sci_phy),
phy_get_non_dummy_port(sci_phy),
sci_phy);
if (iphy->sm.previous_state_id != SCI_PHY_INITIAL)
scic_sds_controller_link_down(scic_sds_phy_get_controller(iphy),
phy_get_non_dummy_port(iphy),
iphy);
}
static void scic_sds_phy_starting_state_enter(struct sci_base_state_machine *sm)
{
struct scic_sds_phy *sci_phy = container_of(sm, typeof(*sci_phy), sm);
struct isci_phy *iphy = container_of(sm, typeof(*iphy), sm);
scu_link_layer_stop_protocol_engine(sci_phy);
scu_link_layer_start_oob(sci_phy);
scu_link_layer_stop_protocol_engine(iphy);
scu_link_layer_start_oob(iphy);
/* We don't know what kind of phy we are going to be just yet */
sci_phy->protocol = SCIC_SDS_PHY_PROTOCOL_UNKNOWN;
sci_phy->bcn_received_while_port_unassigned = false;
iphy->protocol = SCIC_SDS_PHY_PROTOCOL_UNKNOWN;
iphy->bcn_received_while_port_unassigned = false;
if (sci_phy->sm.previous_state_id == SCI_PHY_READY)
scic_sds_controller_link_down(scic_sds_phy_get_controller(sci_phy),
phy_get_non_dummy_port(sci_phy),
sci_phy);
if (iphy->sm.previous_state_id == SCI_PHY_READY)
scic_sds_controller_link_down(scic_sds_phy_get_controller(iphy),
phy_get_non_dummy_port(iphy),
iphy);
sci_change_state(&sci_phy->sm, SCI_PHY_SUB_INITIAL);
sci_change_state(&iphy->sm, SCI_PHY_SUB_INITIAL);
}
static void scic_sds_phy_ready_state_enter(struct sci_base_state_machine *sm)
{
struct scic_sds_phy *sci_phy = container_of(sm, typeof(*sci_phy), sm);
struct isci_phy *iphy = container_of(sm, typeof(*iphy), sm);
scic_sds_controller_link_up(scic_sds_phy_get_controller(sci_phy),
phy_get_non_dummy_port(sci_phy),
sci_phy);
scic_sds_controller_link_up(scic_sds_phy_get_controller(iphy),
phy_get_non_dummy_port(iphy),
iphy);
}
static void scic_sds_phy_ready_state_exit(struct sci_base_state_machine *sm)
{
struct scic_sds_phy *sci_phy = container_of(sm, typeof(*sci_phy), sm);
struct isci_phy *iphy = container_of(sm, typeof(*iphy), sm);
scic_sds_phy_suspend(sci_phy);
scic_sds_phy_suspend(iphy);
}
static void scic_sds_phy_resetting_state_enter(struct sci_base_state_machine *sm)
{
struct scic_sds_phy *sci_phy = container_of(sm, typeof(*sci_phy), sm);
struct isci_phy *iphy = container_of(sm, typeof(*iphy), sm);
/* The phy is being reset, therefore deactivate it from the port. In
* the resetting state we don't notify the user regarding link up and
* link down notifications
*/
scic_sds_port_deactivate_phy(sci_phy->owning_port, sci_phy, false);
scic_sds_port_deactivate_phy(iphy->owning_port, iphy, false);
if (sci_phy->protocol == SCIC_SDS_PHY_PROTOCOL_SAS) {
scu_link_layer_tx_hard_reset(sci_phy);
if (iphy->protocol == SCIC_SDS_PHY_PROTOCOL_SAS) {
scu_link_layer_tx_hard_reset(iphy);
} else {
/* The SCU does not need to have a discrete reset state so
* just go back to the starting state.
*/
sci_change_state(&sci_phy->sm, SCI_PHY_STARTING);
sci_change_state(&iphy->sm, SCI_PHY_STARTING);
}
}
......@@ -1293,21 +1290,21 @@ static const struct sci_base_state scic_sds_phy_state_table[] = {
[SCI_PHY_FINAL] = { },
};
void scic_sds_phy_construct(struct scic_sds_phy *sci_phy,
void scic_sds_phy_construct(struct isci_phy *iphy,
struct scic_sds_port *owning_port, u8 phy_index)
{
sci_init_sm(&sci_phy->sm, scic_sds_phy_state_table, SCI_PHY_INITIAL);
sci_init_sm(&iphy->sm, scic_sds_phy_state_table, SCI_PHY_INITIAL);
/* Copy the rest of the input data to our locals */
sci_phy->owning_port = owning_port;
sci_phy->phy_index = phy_index;
sci_phy->bcn_received_while_port_unassigned = false;
sci_phy->protocol = SCIC_SDS_PHY_PROTOCOL_UNKNOWN;
sci_phy->link_layer_registers = NULL;
sci_phy->max_negotiated_speed = SAS_LINK_RATE_UNKNOWN;
iphy->owning_port = owning_port;
iphy->phy_index = phy_index;
iphy->bcn_received_while_port_unassigned = false;
iphy->protocol = SCIC_SDS_PHY_PROTOCOL_UNKNOWN;
iphy->link_layer_registers = NULL;
iphy->max_negotiated_speed = SAS_LINK_RATE_UNKNOWN;
/* Create the SIGNATURE FIS Timeout timer for this phy */
sci_init_timer(&sci_phy->sata_timer, phy_sata_timeout);
sci_init_timer(&iphy->sata_timer, phy_sata_timeout);
}
void isci_phy_init(struct isci_phy *iphy, struct isci_host *ihost, int index)
......@@ -1368,14 +1365,14 @@ int isci_phy_control(struct asd_sas_phy *sas_phy,
switch (func) {
case PHY_FUNC_DISABLE:
spin_lock_irqsave(&ihost->scic_lock, flags);
scic_sds_phy_stop(&iphy->sci);
scic_sds_phy_stop(iphy);
spin_unlock_irqrestore(&ihost->scic_lock, flags);
break;
case PHY_FUNC_LINK_RESET:
spin_lock_irqsave(&ihost->scic_lock, flags);
scic_sds_phy_stop(&iphy->sci);
scic_sds_phy_start(&iphy->sci);
scic_sds_phy_stop(iphy);
scic_sds_phy_start(iphy);
spin_unlock_irqrestore(&ihost->scic_lock, flags);
break;
......
drivers/scsi/isci/phy.h
View file @ 85280955
......@@ -84,102 +84,40 @@ enum scic_sds_phy_protocol {
};
/**
* struct scic_sds_phy - This structure contains or references all of the data
* necessary to represent the core phy object and SCU harware protocol
* engine.
*
*
*/
struct scic_sds_phy {
/**
* This field contains the information for the base phy state machine.
* isci_phy - hba local phy infrastructure
* @sm:
* @protocol: attached device protocol
* @phy_index: physical index relative to the controller (0-3)
* @bcn_received_while_port_unassigned: bcn to report after port association
* @sata_timer: timeout SATA signature FIS arrival
*/
struct isci_phy {
struct sci_base_state_machine sm;
/**
* This field specifies the port object that owns/contains this phy.
*/
struct scic_sds_port *owning_port;
/**
* This field indicates whether the phy supports 1.5 Gb/s, 3.0 Gb/s,
* or 6.0 Gb/s operation.
*/
enum sas_linkrate max_negotiated_speed;
/**
* This member specifies the protocol being utilized on this phy. This
* field contains a legitamite value once the PHY has link trained with
* a remote phy.
*/
enum scic_sds_phy_protocol protocol;
/**
* This field specifies the index with which this phy is associated (0-3).
*/
u8 phy_index;
/**
* This member indicates if this particular PHY has received a BCN while
* it had no port assignement. This BCN will be reported once the phy is
* assigned to a port.
*/
bool bcn_received_while_port_unassigned;
/**
* This field indicates if this PHY is currently in the process of
* link training (i.e. it has started OOB, but has yet to perform
* IAF exchange/Signature FIS reception).
*/
bool is_in_link_training;
/**
* 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.
*/
struct sci_timer sata_timer;
/**
* This field is the pointer to the transport layer register for the SCU
* hardware.
*/
struct scu_transport_layer_registers __iomem *transport_layer_registers;
/**
* This field points to the link layer register set within the SCU.
*/
struct scu_link_layer_registers __iomem *link_layer_registers;
};
struct isci_phy {
struct scic_sds_phy sci;
struct asd_sas_phy sas_phy;
struct isci_port *isci_port;
u8 sas_addr[SAS_ADDR_SIZE];
union {
struct sas_identify_frame iaf;
struct dev_to_host_fis fis;
} frame_rcvd;
};
static inline struct isci_phy *to_isci_phy(struct asd_sas_phy *sas_phy)
static inline struct isci_phy *to_iphy(struct asd_sas_phy *sas_phy)
{
struct isci_phy *iphy = container_of(sas_phy, typeof(*iphy), sas_phy);
return iphy;
}
static inline struct isci_phy *sci_phy_to_iphy(struct scic_sds_phy *sci_phy)
{
struct isci_phy *iphy = container_of(sci_phy, typeof(*iphy), sci);
return iphy;
}
struct scic_phy_cap {
union {
struct {
......@@ -520,61 +458,61 @@ enum scic_sds_phy_states {
(scic_sds_port_get_controller((phy)->owning_port))
void scic_sds_phy_construct(
struct scic_sds_phy *this_phy,
struct isci_phy *iphy,
struct scic_sds_port *owning_port,
u8 phy_index);
struct scic_sds_port *phy_get_non_dummy_port(struct scic_sds_phy *sci_phy);
struct scic_sds_port *phy_get_non_dummy_port(struct isci_phy *iphy);
void scic_sds_phy_set_port(
struct scic_sds_phy *this_phy,
struct isci_phy *iphy,
struct scic_sds_port *owning_port);
enum sci_status scic_sds_phy_initialize(
struct scic_sds_phy *this_phy,
struct isci_phy *iphy,
struct scu_transport_layer_registers __iomem *transport_layer_registers,
struct scu_link_layer_registers __iomem *link_layer_registers);
enum sci_status scic_sds_phy_start(
struct scic_sds_phy *this_phy);
struct isci_phy *iphy);
enum sci_status scic_sds_phy_stop(
struct scic_sds_phy *this_phy);
struct isci_phy *iphy);
enum sci_status scic_sds_phy_reset(
struct scic_sds_phy *this_phy);
struct isci_phy *iphy);
void scic_sds_phy_resume(
struct scic_sds_phy *this_phy);
struct isci_phy *iphy);
void scic_sds_phy_setup_transport(
struct scic_sds_phy *this_phy,
struct isci_phy *iphy,
u32 device_id);
enum sci_status scic_sds_phy_event_handler(
struct scic_sds_phy *this_phy,
struct isci_phy *iphy,
u32 event_code);
enum sci_status scic_sds_phy_frame_handler(
struct scic_sds_phy *this_phy,
struct isci_phy *iphy,
u32 frame_index);
enum sci_status scic_sds_phy_consume_power_handler(
struct scic_sds_phy *this_phy);
struct isci_phy *iphy);
void scic_sds_phy_get_sas_address(
struct scic_sds_phy *this_phy,
struct isci_phy *iphy,
struct sci_sas_address *sas_address);
void scic_sds_phy_get_attached_sas_address(
struct scic_sds_phy *this_phy,
struct isci_phy *iphy,
struct sci_sas_address *sas_address);
struct scic_phy_proto;
void scic_sds_phy_get_protocols(
struct scic_sds_phy *sci_phy,
struct isci_phy *iphy,
struct scic_phy_proto *protocols);
enum sas_linkrate sci_phy_linkrate(struct scic_sds_phy *sci_phy);
enum sas_linkrate sci_phy_linkrate(struct isci_phy *iphy);
struct isci_host;
void isci_phy_init(struct isci_phy *iphy, struct isci_host *ihost, int index);
......
drivers/scsi/isci/port.c
View file @ 85280955
......@@ -154,17 +154,17 @@ static enum sci_status scic_port_get_properties(struct scic_sds_port *port,
static void scic_port_bcn_enable(struct scic_sds_port *sci_port)
{
struct scic_sds_phy *sci_phy;
struct isci_phy *iphy;
u32 val;
int i;
for (i = 0; i < ARRAY_SIZE(sci_port->phy_table); i++) {
sci_phy = sci_port->phy_table[i];
if (!sci_phy)
iphy = sci_port->phy_table[i];
if (!iphy)
continue;
val = readl(&sci_phy->link_layer_registers->link_layer_control);
val = readl(&iphy->link_layer_registers->link_layer_control);
/* clear the bit by writing 1. */
writel(val, &sci_phy->link_layer_registers->link_layer_control);
writel(val, &iphy->link_layer_registers->link_layer_control);
}
}
......@@ -180,10 +180,9 @@ void isci_port_bcn_enable(struct isci_host *ihost, struct isci_port *iport)
return;
for (i = 0; i < ARRAY_SIZE(iport->sci.phy_table); i++) {
struct scic_sds_phy *sci_phy = iport->sci.phy_table[i];
struct isci_phy *iphy = sci_phy_to_iphy(sci_phy);
struct isci_phy *iphy = iport->sci.phy_table[i];
if (!sci_phy)
if (!iphy)
continue;
ihost->sas_ha.notify_port_event(&iphy->sas_phy,
......@@ -194,9 +193,8 @@ void isci_port_bcn_enable(struct isci_host *ihost, struct isci_port *iport)
void isci_port_bc_change_received(struct isci_host *ihost,
struct scic_sds_port *sci_port,
struct scic_sds_phy *sci_phy)
struct isci_phy *iphy)
{
struct isci_phy *iphy = sci_phy_to_iphy(sci_phy);
struct isci_port *iport = iphy->isci_port;
if (iport && test_bit(IPORT_BCN_BLOCKED, &iport->flags)) {
......@@ -219,33 +217,32 @@ void isci_port_bc_change_received(struct isci_host *ihost,
static void isci_port_link_up(struct isci_host *isci_host,
struct scic_sds_port *port,
struct scic_sds_phy *phy)
struct isci_phy *iphy)
{
unsigned long flags;
struct scic_port_properties properties;
struct isci_phy *isci_phy = sci_phy_to_iphy(phy);
struct isci_port *isci_port = sci_port_to_iport(port);
unsigned long success = true;
BUG_ON(isci_phy->isci_port != NULL);
BUG_ON(iphy->isci_port != NULL);
isci_phy->isci_port = isci_port;
iphy->isci_port = isci_port;
dev_dbg(&isci_host->pdev->dev,
"%s: isci_port = %p\n",
__func__, isci_port);
spin_lock_irqsave(&isci_phy->sas_phy.frame_rcvd_lock, flags);
spin_lock_irqsave(&iphy->sas_phy.frame_rcvd_lock, flags);
isci_port_change_state(isci_phy->isci_port, isci_starting);
isci_port_change_state(iphy->isci_port, isci_starting);
scic_port_get_properties(port, &properties);
if (phy->protocol == SCIC_SDS_PHY_PROTOCOL_SATA) {
if (iphy->protocol == SCIC_SDS_PHY_PROTOCOL_SATA) {
u64 attached_sas_address;
isci_phy->sas_phy.oob_mode = SATA_OOB_MODE;
isci_phy->sas_phy.frame_rcvd_size = sizeof(struct dev_to_host_fis);
iphy->sas_phy.oob_mode = SATA_OOB_MODE;
iphy->sas_phy.frame_rcvd_size = sizeof(struct dev_to_host_fis);
/*
* For direct-attached SATA devices, the SCI core will
......@@ -259,28 +256,28 @@ static void isci_port_link_up(struct isci_host *isci_host,
attached_sas_address |= properties.remote.sas_address.low;
swab64s(&attached_sas_address);
memcpy(&isci_phy->sas_phy.attached_sas_addr,
memcpy(&iphy->sas_phy.attached_sas_addr,
&attached_sas_address, sizeof(attached_sas_address));
} else if (phy->protocol == SCIC_SDS_PHY_PROTOCOL_SAS) {
isci_phy->sas_phy.oob_mode = SAS_OOB_MODE;
isci_phy->sas_phy.frame_rcvd_size = sizeof(struct sas_identify_frame);
} else if (iphy->protocol == SCIC_SDS_PHY_PROTOCOL_SAS) {
iphy->sas_phy.oob_mode = SAS_OOB_MODE;
iphy->sas_phy.frame_rcvd_size = sizeof(struct sas_identify_frame);
/* Copy the attached SAS address from the IAF */
memcpy(isci_phy->sas_phy.attached_sas_addr,
isci_phy->frame_rcvd.iaf.sas_addr, SAS_ADDR_SIZE);
memcpy(iphy->sas_phy.attached_sas_addr,
iphy->frame_rcvd.iaf.sas_addr, SAS_ADDR_SIZE);
} else {
dev_err(&isci_host->pdev->dev, "%s: unkown target\n", __func__);
success = false;
}
isci_phy->sas_phy.phy->negotiated_linkrate = sci_phy_linkrate(phy);
iphy->sas_phy.phy->negotiated_linkrate = sci_phy_linkrate(iphy);
spin_unlock_irqrestore(&isci_phy->sas_phy.frame_rcvd_lock, flags);
spin_unlock_irqrestore(&iphy->sas_phy.frame_rcvd_lock, flags);
/* Notify libsas that we have an address frame, if indeed
* we've found an SSP, SMP, or STP target */
if (success)
isci_host->sas_ha.notify_port_event(&isci_phy->sas_phy,
isci_host->sas_ha.notify_port_event(&iphy->sas_phy,
PORTE_BYTES_DMAED);
}
......@@ -495,11 +492,7 @@ static bool scic_sds_port_is_phy_mask_valid(
return false;
}
/**
*
* @sci_port: This parameter specifies the port from which to return a
* connected phy.
*
/*
* This method retrieves a currently active (i.e. connected) phy contained in
* the port. Currently, the lowest order phy that is connected is returned.
* This method returns a pointer to a SCIS_SDS_PHY object. NULL This value is
......@@ -507,58 +500,38 @@ static bool scic_sds_port_is_phy_mask_valid(
* point) phys contained in the port. All other values specify a struct scic_sds_phy
* object that is active in the port.
*/
static struct scic_sds_phy *scic_sds_port_get_a_connected_phy(
struct scic_sds_port *sci_port
) {
static struct isci_phy *scic_sds_port_get_a_connected_phy(struct scic_sds_port *sci_port)
{
u32 index;
struct scic_sds_phy *phy;
struct isci_phy *iphy;
for (index = 0; index < SCI_MAX_PHYS; index++) {
/*
* Ensure that the phy is both part of the port and currently
* connected to the remote end-point. */
phy = sci_port->phy_table[index];
if (
(phy != NULL)
&& scic_sds_port_active_phy(sci_port, phy)
) {
return phy;
}
/* Ensure that the phy is both part of the port and currently
* connected to the remote end-point.
*/
iphy = sci_port->phy_table[index];
if (iphy && scic_sds_port_active_phy(sci_port, iphy))
return iphy;
}
return NULL;
}
/**
* scic_sds_port_set_phy() -
* @out]: port The port object to which the phy assignement is being made.
* @out]: phy The phy which is being assigned to the port.
*
* This method attempts to make the assignment of the phy to the port. If
* successful the phy is assigned to the ports phy table. bool true if the phy
* assignment can be made. false if the phy assignement can not be made. This
* is a functional test that only fails if the phy is currently assigned to a
* different port.
*/
static enum sci_status scic_sds_port_set_phy(
struct scic_sds_port *port,
struct scic_sds_phy *phy)
static enum sci_status scic_sds_port_set_phy(struct scic_sds_port *port, struct isci_phy *iphy)
{
/*
* Check to see if we can add this phy to a port
/* Check to see if we can add this phy to a port
* that means that the phy is not part of a port and that the port does
* not already have a phy assinged to the phy index. */
if (
(port->phy_table[phy->phy_index] == NULL)
&& (phy_get_non_dummy_port(phy) == NULL)
&& scic_sds_port_is_valid_phy_assignment(port, phy->phy_index)
) {
/*
* Phy is being added in the stopped state so we are in MPC mode
* make logical port index = physical port index */
* not already have a phy assinged to the phy index.
*/
if (!port->phy_table[iphy->phy_index] &&
!phy_get_non_dummy_port(iphy) &&
scic_sds_port_is_valid_phy_assignment(port, iphy->phy_index)) {
/* Phy is being added in the stopped state so we are in MPC mode
* make logical port index = physical port index
*/
port->logical_port_index = port->physical_port_index;
port->phy_table[phy->phy_index] = phy;
scic_sds_phy_set_port(phy, port);
port->phy_table[iphy->phy_index] = iphy;
scic_sds_phy_set_port(iphy, port);
return SCI_SUCCESS;
}
......@@ -566,28 +539,18 @@ static enum sci_status scic_sds_port_set_phy(
return SCI_FAILURE;
}
/**
* scic_sds_port_clear_phy() -
* @out]: port The port from which the phy is being cleared.
* @out]: phy The phy being cleared from the port.
*
* This method will clear the phy assigned to this port. This method fails if
* this phy is not currently assinged to this port. bool true if the phy is
* removed from the port. false if this phy is not assined to this port.
*/
static enum sci_status scic_sds_port_clear_phy(
struct scic_sds_port *port,
struct scic_sds_phy *phy)
static enum sci_status scic_sds_port_clear_phy(struct scic_sds_port *port,
struct isci_phy *iphy)
{
/* Make sure that this phy is part of this port */
if (port->phy_table[phy->phy_index] == phy &&
phy_get_non_dummy_port(phy) == port) {
if (port->phy_table[iphy->phy_index] == iphy &&
phy_get_non_dummy_port(iphy) == port) {
struct scic_sds_controller *scic = port->owning_controller;
struct isci_host *ihost = scic_to_ihost(scic);
/* Yep it is assigned to this port so remove it */
scic_sds_phy_set_port(phy, &ihost->ports[SCI_MAX_PORTS].sci);
port->phy_table[phy->phy_index] = NULL;
scic_sds_phy_set_port(iphy, &ihost->ports[SCI_MAX_PORTS].sci);
port->phy_table[iphy->phy_index] = NULL;
return SCI_SUCCESS;
}
......@@ -634,20 +597,20 @@ void scic_sds_port_get_attached_sas_address(
struct scic_sds_port *sci_port,
struct sci_sas_address *sas_address)
{
struct scic_sds_phy *sci_phy;
struct isci_phy *iphy;
/*
* Ensure that the phy is both part of the port and currently
* connected to the remote end-point.
*/
sci_phy = scic_sds_port_get_a_connected_phy(sci_port);
if (sci_phy) {
if (sci_phy->protocol != SCIC_SDS_PHY_PROTOCOL_SATA) {
scic_sds_phy_get_attached_sas_address(sci_phy,
iphy = scic_sds_port_get_a_connected_phy(sci_port);
if (iphy) {
if (iphy->protocol != SCIC_SDS_PHY_PROTOCOL_SATA) {
scic_sds_phy_get_attached_sas_address(iphy,
sas_address);
} else {
scic_sds_phy_get_sas_address(sci_phy, sas_address);
sas_address->low += sci_phy->phy_index;
scic_sds_phy_get_sas_address(iphy, sas_address);
sas_address->low += iphy->phy_index;
}
} else {
sas_address->high = 0;
......@@ -787,39 +750,38 @@ void scic_sds_port_setup_transports(
* notifying the user that the link is up. none
*/
static void scic_sds_port_activate_phy(struct scic_sds_port *sci_port,
struct scic_sds_phy *sci_phy,
struct isci_phy *iphy,
bool do_notify_user)
{
struct scic_sds_controller *scic = sci_port->owning_controller;
struct isci_host *ihost = scic_to_ihost(scic);
if (sci_phy->protocol != SCIC_SDS_PHY_PROTOCOL_SATA)
scic_sds_phy_resume(sci_phy);
if (iphy->protocol != SCIC_SDS_PHY_PROTOCOL_SATA)
scic_sds_phy_resume(iphy);
sci_port->active_phy_mask |= 1 << sci_phy->phy_index;
sci_port->active_phy_mask |= 1 << iphy->phy_index;
scic_sds_controller_clear_invalid_phy(scic, sci_phy);
scic_sds_controller_clear_invalid_phy(scic, iphy);
if (do_notify_user == true)
isci_port_link_up(ihost, sci_port, sci_phy);
isci_port_link_up(ihost, sci_port, iphy);
}
void scic_sds_port_deactivate_phy(struct scic_sds_port *sci_port,
struct scic_sds_phy *sci_phy,
struct isci_phy *iphy,
bool do_notify_user)
{
struct scic_sds_controller *scic = scic_sds_port_get_controller(sci_port);
struct isci_port *iport = sci_port_to_iport(sci_port);
struct isci_host *ihost = scic_to_ihost(scic);
struct isci_phy *iphy = sci_phy_to_iphy(sci_phy);
sci_port->active_phy_mask &= ~(1 << sci_phy->phy_index);
sci_port->active_phy_mask &= ~(1 << iphy->phy_index);
sci_phy->max_negotiated_speed = SAS_LINK_RATE_UNKNOWN;
iphy->max_negotiated_speed = SAS_LINK_RATE_UNKNOWN;
/* Re-assign the phy back to the LP as if it were a narrow port */
writel(sci_phy->phy_index,
&sci_port->port_pe_configuration_register[sci_phy->phy_index]);
writel(iphy->phy_index,
&sci_port->port_pe_configuration_register[iphy->phy_index]);
if (do_notify_user == true)
isci_port_link_down(ihost, iphy, iport);
......@@ -834,7 +796,7 @@ void scic_sds_port_deactivate_phy(struct scic_sds_port *sci_port,
* this port object. None
*/
static void scic_sds_port_invalid_link_up(struct scic_sds_port *sci_port,
struct scic_sds_phy *sci_phy)
struct isci_phy *iphy)
{
struct scic_sds_controller *scic = sci_port->owning_controller;
......@@ -843,8 +805,8 @@ static void scic_sds_port_invalid_link_up(struct scic_sds_port *sci_port,
* not go ahead and tell the SCI_USER that we have discovered an
* invalid link.
*/
if ((scic->invalid_phy_mask & (1 << sci_phy->phy_index)) == 0) {
scic_sds_controller_set_invalid_phy(scic, sci_phy);
if ((scic->invalid_phy_mask & (1 << iphy->phy_index)) == 0) {
scic_sds_controller_set_invalid_phy(scic, iphy);
dev_warn(&scic_to_ihost(scic)->pdev->dev, "Invalid link up!\n");
}
}
......@@ -879,7 +841,7 @@ static void port_state_machine_change(struct scic_sds_port *sci_port,
/**
* scic_sds_port_general_link_up_handler - phy can be assigned to port?
* @sci_port: scic_sds_port object for which has a phy that has gone link up.
* @sci_phy: This is the struct scic_sds_phy object that has gone link up.
* @sci_phy: This is the struct isci_phy object that has gone link up.
* @do_notify_user: This parameter specifies whether to inform the user (via
* scic_cb_port_link_up()) as to the fact that a new phy as become ready.
*
......@@ -890,14 +852,14 @@ static void port_state_machine_change(struct scic_sds_port *sci_port,
* the same port. none
*/
static void scic_sds_port_general_link_up_handler(struct scic_sds_port *sci_port,
struct scic_sds_phy *sci_phy,
struct isci_phy *iphy,
bool do_notify_user)
{
struct sci_sas_address port_sas_address;
struct sci_sas_address phy_sas_address;
scic_sds_port_get_attached_sas_address(sci_port, &port_sas_address);
scic_sds_phy_get_attached_sas_address(sci_phy, &phy_sas_address);
scic_sds_phy_get_attached_sas_address(iphy, &phy_sas_address);
/* If the SAS address of the new phy matches the SAS address of
* other phys in the port OR this is the first phy in the port,
......@@ -909,11 +871,11 @@ static void scic_sds_port_general_link_up_handler(struct scic_sds_port *sci_port
sci_port->active_phy_mask == 0) {
struct sci_base_state_machine *sm = &sci_port->sm;
scic_sds_port_activate_phy(sci_port, sci_phy, do_notify_user);
scic_sds_port_activate_phy(sci_port, iphy, do_notify_user);
if (sm->current_state_id == SCI_PORT_RESETTING)
port_state_machine_change(sci_port, SCI_PORT_READY);
} else
scic_sds_port_invalid_link_up(sci_port, sci_phy);
scic_sds_port_invalid_link_up(sci_port, iphy);
}
......@@ -957,12 +919,12 @@ static bool scic_sds_port_is_wide(struct scic_sds_port *sci_port)
*/
bool scic_sds_port_link_detected(
struct scic_sds_port *sci_port,
struct scic_sds_phy *sci_phy)
struct isci_phy *iphy)
{
if ((sci_port->logical_port_index != SCIC_SDS_DUMMY_PORT) &&
(sci_phy->protocol == SCIC_SDS_PHY_PROTOCOL_SATA) &&
(iphy->protocol == SCIC_SDS_PHY_PROTOCOL_SATA) &&
scic_sds_port_is_wide(sci_port)) {
scic_sds_port_invalid_link_up(sci_port, sci_phy);
scic_sds_port_invalid_link_up(sci_port, iphy);
return false;
}
......@@ -1045,47 +1007,26 @@ static void scic_sds_port_update_viit_entry(struct scic_sds_port *sci_port)
&sci_port->viit_registers->status);
}
/**
* This method returns the maximum allowed speed for data transfers on this
* port. This maximum allowed speed evaluates to the maximum speed of the
* slowest phy in the port.
* @sci_port: This parameter specifies the port for which to retrieve the
* maximum allowed speed.
*
* This method returns the maximum negotiated speed of the slowest phy in the
* port.
*/
enum sas_linkrate scic_sds_port_get_max_allowed_speed(
struct scic_sds_port *sci_port)
enum sas_linkrate scic_sds_port_get_max_allowed_speed(struct scic_sds_port *sci_port)
{
u16 index;
struct isci_phy *iphy;
enum sas_linkrate max_allowed_speed = SAS_LINK_RATE_6_0_GBPS;
struct scic_sds_phy *phy = NULL;
/*
* Loop through all of the phys in this port and find the phy with the
* lowest maximum link rate. */
for (index = 0; index < SCI_MAX_PHYS; index++) {
phy = sci_port->phy_table[index];
if (
(phy != NULL)
&& (scic_sds_port_active_phy(sci_port, phy) == true)
&& (phy->max_negotiated_speed < max_allowed_speed)
)
max_allowed_speed = phy->max_negotiated_speed;
iphy = sci_port->phy_table[index];
if (iphy && scic_sds_port_active_phy(sci_port, iphy) &&
iphy->max_negotiated_speed < max_allowed_speed)
max_allowed_speed = iphy->max_negotiated_speed;
}
return max_allowed_speed;
}
/**
*
* @sci_port: This is the struct scic_sds_port object to suspend.
*
* This method will susped the port task scheduler for this port object. none
*/
static void
scic_sds_port_suspend_port_task_scheduler(struct scic_sds_port *port)
static void scic_sds_port_suspend_port_task_scheduler(struct scic_sds_port *port)
{
u32 pts_control_value;
......@@ -1377,7 +1318,7 @@ enum sci_status scic_sds_port_stop(struct scic_sds_port *sci_port)
static enum sci_status scic_port_hard_reset(struct scic_sds_port *sci_port, u32 timeout)
{
enum sci_status status = SCI_FAILURE_INVALID_PHY;
struct scic_sds_phy *selected_phy = NULL;
struct isci_phy *iphy = NULL;
enum scic_sds_port_states state;
u32 phy_index;
......@@ -1389,22 +1330,21 @@ static enum sci_status scic_port_hard_reset(struct scic_sds_port *sci_port, u32
}
/* Select a phy on which we can send the hard reset request. */
for (phy_index = 0; phy_index < SCI_MAX_PHYS && !selected_phy; phy_index++) {
selected_phy = sci_port->phy_table[phy_index];
if (selected_phy &&
!scic_sds_port_active_phy(sci_port, selected_phy)) {
for (phy_index = 0; phy_index < SCI_MAX_PHYS && !iphy; phy_index++) {
iphy = sci_port->phy_table[phy_index];
if (iphy && !scic_sds_port_active_phy(sci_port, iphy)) {
/*
* We found a phy but it is not ready select
* different phy
*/
selected_phy = NULL;
iphy = NULL;
}
}
/* If we have a phy then go ahead and start the reset procedure */
if (!selected_phy)
if (!iphy)
return status;
status = scic_sds_phy_reset(selected_phy);
status = scic_sds_phy_reset(iphy);
if (status != SCI_SUCCESS)
return status;
......@@ -1412,8 +1352,7 @@ static enum sci_status scic_port_hard_reset(struct scic_sds_port *sci_port, u32
sci_mod_timer(&sci_port->timer, timeout);
sci_port->not_ready_reason = SCIC_PORT_NOT_READY_HARD_RESET_REQUESTED;
port_state_machine_change(sci_port,
SCI_PORT_RESETTING);
port_state_machine_change(sci_port, SCI_PORT_RESETTING);
return SCI_SUCCESS;
}
......@@ -1427,7 +1366,7 @@ static enum sci_status scic_port_hard_reset(struct scic_sds_port *sci_port, u32
* status is a failure to add the phy to the port.
*/
enum sci_status scic_sds_port_add_phy(struct scic_sds_port *sci_port,
struct scic_sds_phy *sci_phy)
struct isci_phy *iphy)
{
enum sci_status status;
enum scic_sds_port_states state;
......@@ -1446,32 +1385,32 @@ enum sci_status scic_sds_port_add_phy(struct scic_sds_port *sci_port,
/* Make sure that the PHY SAS Address matches the SAS Address
* for this port
*/
scic_sds_phy_get_sas_address(sci_phy, &phy_sas_address);
scic_sds_phy_get_sas_address(iphy, &phy_sas_address);
if (port_sas_address.high != phy_sas_address.high ||
port_sas_address.low != phy_sas_address.low)
return SCI_FAILURE_UNSUPPORTED_PORT_CONFIGURATION;
}
return scic_sds_port_set_phy(sci_port, sci_phy);
return scic_sds_port_set_phy(sci_port, iphy);
}
case SCI_PORT_SUB_WAITING:
case SCI_PORT_SUB_OPERATIONAL:
status = scic_sds_port_set_phy(sci_port, sci_phy);
status = scic_sds_port_set_phy(sci_port, iphy);
if (status != SCI_SUCCESS)
return status;
scic_sds_port_general_link_up_handler(sci_port, sci_phy, true);
scic_sds_port_general_link_up_handler(sci_port, iphy, true);
sci_port->not_ready_reason = SCIC_PORT_NOT_READY_RECONFIGURING;
port_state_machine_change(sci_port, SCI_PORT_SUB_CONFIGURING);
return status;
case SCI_PORT_SUB_CONFIGURING:
status = scic_sds_port_set_phy(sci_port, sci_phy);
status = scic_sds_port_set_phy(sci_port, iphy);
if (status != SCI_SUCCESS)
return status;
scic_sds_port_general_link_up_handler(sci_port, sci_phy, true);
scic_sds_port_general_link_up_handler(sci_port, iphy, true);
/* Re-enter the configuring state since this may be the last phy in
* the port.
......@@ -1496,7 +1435,7 @@ enum sci_status scic_sds_port_add_phy(struct scic_sds_port *sci_port,
* other status is a failure to add the phy to the port.
*/
enum sci_status scic_sds_port_remove_phy(struct scic_sds_port *sci_port,
struct scic_sds_phy *sci_phy)
struct isci_phy *iphy)
{
enum sci_status status;
enum scic_sds_port_states state;
......@@ -1505,23 +1444,23 @@ enum sci_status scic_sds_port_remove_phy(struct scic_sds_port *sci_port,
switch (state) {
case SCI_PORT_STOPPED:
return scic_sds_port_clear_phy(sci_port, sci_phy);
return scic_sds_port_clear_phy(sci_port, iphy);
case SCI_PORT_SUB_OPERATIONAL:
status = scic_sds_port_clear_phy(sci_port, sci_phy);
status = scic_sds_port_clear_phy(sci_port, iphy);
if (status != SCI_SUCCESS)
return status;
scic_sds_port_deactivate_phy(sci_port, sci_phy, true);
scic_sds_port_deactivate_phy(sci_port, iphy, true);
sci_port->not_ready_reason = SCIC_PORT_NOT_READY_RECONFIGURING;
port_state_machine_change(sci_port,
SCI_PORT_SUB_CONFIGURING);
return SCI_SUCCESS;
case SCI_PORT_SUB_CONFIGURING:
status = scic_sds_port_clear_phy(sci_port, sci_phy);
status = scic_sds_port_clear_phy(sci_port, iphy);
if (status != SCI_SUCCESS)
return status;
scic_sds_port_deactivate_phy(sci_port, sci_phy, true);
scic_sds_port_deactivate_phy(sci_port, iphy, true);
/* Re-enter the configuring state since this may be the last phy in
* the port
......@@ -1537,7 +1476,7 @@ enum sci_status scic_sds_port_remove_phy(struct scic_sds_port *sci_port,
}
enum sci_status scic_sds_port_link_up(struct scic_sds_port *sci_port,
struct scic_sds_phy *sci_phy)
struct isci_phy *iphy)
{
enum scic_sds_port_states state;
......@@ -1547,13 +1486,13 @@ enum sci_status scic_sds_port_link_up(struct scic_sds_port *sci_port,
/* Since this is the first phy going link up for the port we
* can just enable it and continue
*/
scic_sds_port_activate_phy(sci_port, sci_phy, true);
scic_sds_port_activate_phy(sci_port, iphy, true);
port_state_machine_change(sci_port,
SCI_PORT_SUB_OPERATIONAL);
return SCI_SUCCESS;
case SCI_PORT_SUB_OPERATIONAL:
scic_sds_port_general_link_up_handler(sci_port, sci_phy, true);
scic_sds_port_general_link_up_handler(sci_port, iphy, true);
return SCI_SUCCESS;
case SCI_PORT_RESETTING:
/* TODO We should make sure that the phy that has gone
......@@ -1570,7 +1509,7 @@ enum sci_status scic_sds_port_link_up(struct scic_sds_port *sci_port,
/* In the resetting state we don't notify the user regarding
* link up and link down notifications.
*/
scic_sds_port_general_link_up_handler(sci_port, sci_phy, false);
scic_sds_port_general_link_up_handler(sci_port, iphy, false);
return SCI_SUCCESS;
default:
dev_warn(sciport_to_dev(sci_port),
......@@ -1580,14 +1519,14 @@ enum sci_status scic_sds_port_link_up(struct scic_sds_port *sci_port,
}
enum sci_status scic_sds_port_link_down(struct scic_sds_port *sci_port,
struct scic_sds_phy *sci_phy)
struct isci_phy *iphy)
{
enum scic_sds_port_states state;
state = sci_port->sm.current_state_id;
switch (state) {
case SCI_PORT_SUB_OPERATIONAL:
scic_sds_port_deactivate_phy(sci_port, sci_phy, true);
scic_sds_port_deactivate_phy(sci_port, iphy, true);
/* If there are no active phys left in the port, then
* transition the port to the WAITING state until such time
......@@ -1600,7 +1539,7 @@ enum sci_status scic_sds_port_link_down(struct scic_sds_port *sci_port,
case SCI_PORT_RESETTING:
/* In the resetting state we don't notify the user regarding
* link up and link down notifications. */
scic_sds_port_deactivate_phy(sci_port, sci_phy, false);
scic_sds_port_deactivate_phy(sci_port, iphy, false);
return SCI_SUCCESS;
default:
dev_warn(sciport_to_dev(sci_port),
......@@ -1879,13 +1818,13 @@ enum isci_status isci_port_get_state(
void scic_sds_port_broadcast_change_received(
struct scic_sds_port *sci_port,
struct scic_sds_phy *sci_phy)
struct isci_phy *iphy)
{
struct scic_sds_controller *scic = sci_port->owning_controller;
struct isci_host *ihost = scic_to_ihost(scic);
/* notify the user. */
isci_port_bc_change_received(ihost, sci_port, sci_phy);
isci_port_bc_change_received(ihost, sci_port, iphy);
}
int isci_port_perform_hard_reset(struct isci_host *ihost, struct isci_port *iport,
......
drivers/scsi/isci/port.h
View file @ 85280955
......@@ -131,7 +131,7 @@ struct scic_sds_port {
/**
* This field is the table of phys assigned to the port.
*/
struct scic_sds_phy *phy_table[SCI_MAX_PHYS];
struct isci_phy *phy_table[SCI_MAX_PHYS];
/**
* This field is a pointer back to the controller that owns this
......@@ -328,11 +328,11 @@ enum sci_status scic_sds_port_stop(struct scic_sds_port *sci_port);
enum sci_status scic_sds_port_add_phy(
struct scic_sds_port *sci_port,
struct scic_sds_phy *sci_phy);
struct isci_phy *iphy);
enum sci_status scic_sds_port_remove_phy(
struct scic_sds_port *sci_port,
struct scic_sds_phy *sci_phy);
struct isci_phy *iphy);
void scic_sds_port_setup_transports(
struct scic_sds_port *sci_port,
......@@ -342,17 +342,17 @@ void isci_port_bcn_enable(struct isci_host *, struct isci_port *);
void scic_sds_port_deactivate_phy(
struct scic_sds_port *sci_port,
struct scic_sds_phy *sci_phy,
struct isci_phy *iphy,
bool do_notify_user);
bool scic_sds_port_link_detected(
struct scic_sds_port *sci_port,
struct scic_sds_phy *sci_phy);
struct isci_phy *iphy);
enum sci_status scic_sds_port_link_up(struct scic_sds_port *sci_port,
struct scic_sds_phy *sci_phy);
struct isci_phy *iphy);
enum sci_status scic_sds_port_link_down(struct scic_sds_port *sci_port,
struct scic_sds_phy *sci_phy);
struct isci_phy *iphy);
struct isci_request;
struct scic_sds_remote_device;
......@@ -371,7 +371,7 @@ enum sas_linkrate scic_sds_port_get_max_allowed_speed(
void scic_sds_port_broadcast_change_received(
struct scic_sds_port *sci_port,
struct scic_sds_phy *sci_phy);
struct isci_phy *iphy);
bool scic_sds_port_is_valid_phy_assignment(
struct scic_sds_port *sci_port,
......
drivers/scsi/isci/port_config.c
View file @ 85280955
......@@ -114,7 +114,7 @@ static s32 sci_sas_address_compare(
*/
static struct scic_sds_port *scic_sds_port_configuration_agent_find_port(
struct scic_sds_controller *scic,
struct scic_sds_phy *phy)
struct isci_phy *iphy)
{
u8 i;
struct sci_sas_address port_sas_address;
......@@ -127,8 +127,8 @@ static struct scic_sds_port *scic_sds_port_configuration_agent_find_port(
* more phys match the sent and received SAS address as this phy in which
* case it should participate in the same port.
*/
scic_sds_phy_get_sas_address(phy, &phy_sas_address);
scic_sds_phy_get_attached_sas_address(phy, &phy_attached_device_address);
scic_sds_phy_get_sas_address(iphy, &phy_sas_address);
scic_sds_phy_get_attached_sas_address(iphy, &phy_attached_device_address);
for (i = 0; i < scic->logical_port_entries; i++) {
struct isci_host *ihost = scic_to_ihost(scic);
......@@ -196,8 +196,8 @@ static enum sci_status scic_sds_port_configuration_agent_validate_ports(
* PE0 and PE3 can never have the same SAS Address unless they
* are part of the same x4 wide port and we have already checked
* for this condition. */
scic_sds_phy_get_sas_address(&ihost->phys[0].sci, &first_address);
scic_sds_phy_get_sas_address(&ihost->phys[3].sci, &second_address);
scic_sds_phy_get_sas_address(&ihost->phys[0], &first_address);
scic_sds_phy_get_sas_address(&ihost->phys[3], &second_address);
if (sci_sas_address_compare(first_address, second_address) == 0) {
return SCI_FAILURE_UNSUPPORTED_PORT_CONFIGURATION;
......@@ -209,8 +209,8 @@ static enum sci_status scic_sds_port_configuration_agent_validate_ports(
* part of the same port. */
if (port_agent->phy_valid_port_range[0].min_index == 0 &&
port_agent->phy_valid_port_range[1].min_index == 1) {
scic_sds_phy_get_sas_address(&ihost->phys[0].sci, &first_address);
scic_sds_phy_get_sas_address(&ihost->phys[2].sci, &second_address);
scic_sds_phy_get_sas_address(&ihost->phys[0], &first_address);
scic_sds_phy_get_sas_address(&ihost->phys[2], &second_address);
if (sci_sas_address_compare(first_address, second_address) == 0) {
return SCI_FAILURE_UNSUPPORTED_PORT_CONFIGURATION;
......@@ -223,8 +223,8 @@ static enum sci_status scic_sds_port_configuration_agent_validate_ports(
* part of the same port. */
if (port_agent->phy_valid_port_range[2].min_index == 2 &&
port_agent->phy_valid_port_range[3].min_index == 3) {
scic_sds_phy_get_sas_address(&ihost->phys[1].sci, &first_address);
scic_sds_phy_get_sas_address(&ihost->phys[3].sci, &second_address);
scic_sds_phy_get_sas_address(&ihost->phys[1], &first_address);
scic_sds_phy_get_sas_address(&ihost->phys[3], &second_address);
if (sci_sas_address_compare(first_address, second_address) == 0) {
return SCI_FAILURE_UNSUPPORTED_PORT_CONFIGURATION;
......@@ -277,7 +277,7 @@ static enum sci_status scic_sds_mpc_agent_validate_phy_configuration(
for (phy_index = 0; phy_index < SCI_MAX_PHYS; phy_index++) {
if ((phy_mask & (1 << phy_index)) == 0)
continue;
scic_sds_phy_get_sas_address(&ihost->phys[phy_index].sci,
scic_sds_phy_get_sas_address(&ihost->phys[phy_index],
&sas_address);
/*
......@@ -302,7 +302,7 @@ static enum sci_status scic_sds_mpc_agent_validate_phy_configuration(
while (phy_index < SCI_MAX_PHYS) {
if ((phy_mask & (1 << phy_index)) == 0)
continue;
scic_sds_phy_get_sas_address(&ihost->phys[phy_index].sci,
scic_sds_phy_get_sas_address(&ihost->phys[phy_index],
&phy_assigned_address);
if (sci_sas_address_compare(sas_address, phy_assigned_address) != 0) {
......@@ -316,7 +316,7 @@ static enum sci_status scic_sds_mpc_agent_validate_phy_configuration(
port_agent->phy_valid_port_range[phy_index].max_index = phy_index;
scic_sds_port_add_phy(&ihost->ports[port_index].sci,
&ihost->phys[phy_index].sci);
&ihost->phys[phy_index]);
assigned_phy_mask |= (1 << phy_index);
}
......@@ -352,12 +352,12 @@ static void mpc_agent_timeout(unsigned long data)
configure_phy_mask = ~port_agent->phy_configured_mask & port_agent->phy_ready_mask;
for (index = 0; index < SCI_MAX_PHYS; index++) {
struct scic_sds_phy *sci_phy = &ihost->phys[index].sci;
struct isci_phy *iphy = &ihost->phys[index];
if (configure_phy_mask & (1 << index)) {
port_agent->link_up_handler(scic, port_agent,
phy_get_non_dummy_port(sci_phy),
sci_phy);
phy_get_non_dummy_port(iphy),
iphy);
}
}
......@@ -365,37 +365,22 @@ static void mpc_agent_timeout(unsigned long data)
spin_unlock_irqrestore(&ihost->scic_lock, flags);
}
/**
*
* @controller: This is the controller object that receives the link up
* notification.
* @port: 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 ready.
*
* This method handles the manual port configuration link up notifications.
* Since all ports and phys are associate at initialization time we just turn
* around and notifiy the port object that there is a link up. If this PHY is
* not associated with a port there is no action taken. Is it possible to get a
* link up notification from a phy that has no assocoated port?
*/
static void scic_sds_mpc_agent_link_up(
struct scic_sds_controller *controller,
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 scic_sds_phy *phy)
struct isci_phy *iphy)
{
/*
* If the port has an invalid handle then the phy was not assigned to
/* 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. */
* as the other PHYs in the port.
*/
if (port != NULL) {
port_agent->phy_ready_mask |= (1 << scic_sds_phy_get_index(phy));
port_agent->phy_ready_mask |= (1 << scic_sds_phy_get_index(iphy));
scic_sds_port_link_up(port, phy);
scic_sds_port_link_up(port, iphy);
if ((port->active_phy_mask & (1 << scic_sds_phy_get_index(phy))) != 0) {
port_agent->phy_configured_mask |= (1 << scic_sds_phy_get_index(phy));
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));
}
}
}
......@@ -421,7 +406,7 @@ 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 scic_sds_phy *sci_phy)
struct isci_phy *iphy)
{
if (sci_port != NULL) {
/*
......@@ -432,9 +417,9 @@ static void scic_sds_mpc_agent_link_down(
* state.
*/
port_agent->phy_ready_mask &=
~(1 << scic_sds_phy_get_index(sci_phy));
~(1 << scic_sds_phy_get_index(iphy));
port_agent->phy_configured_mask &=
~(1 << scic_sds_phy_get_index(sci_phy));
~(1 << scic_sds_phy_get_index(iphy));
/*
* Check to see if there are more phys waiting to be
......@@ -451,7 +436,7 @@ static void scic_sds_mpc_agent_link_down(
SCIC_SDS_MPC_RECONFIGURATION_TIMEOUT);
}
scic_sds_port_link_down(sci_port, sci_phy);
scic_sds_port_link_down(sci_port, iphy);
}
}
......@@ -482,11 +467,11 @@ static enum sci_status scic_sds_apc_agent_validate_phy_configuration(
port_index = phy_index;
/* Get the assigned SAS Address for the first PHY on the controller. */
scic_sds_phy_get_sas_address(&ihost->phys[phy_index].sci,
scic_sds_phy_get_sas_address(&ihost->phys[phy_index],
&sas_address);
while (++phy_index < SCI_MAX_PHYS) {
scic_sds_phy_get_sas_address(&ihost->phys[phy_index].sci,
scic_sds_phy_get_sas_address(&ihost->phys[phy_index],
&phy_assigned_address);
/* Verify each of the SAS address are all the same for every PHY */
......@@ -504,19 +489,9 @@ static enum sci_status scic_sds_apc_agent_validate_phy_configuration(
return scic_sds_port_configuration_agent_validate_ports(controller, port_agent);
}
/**
*
* @controller: This is the controller object that receives the link up
* notification.
* @phy: This is the phy object which has gone link up.
*
* This method handles the automatic port configuration for link up
* notifications.
*/
static void scic_sds_apc_agent_configure_ports(
struct scic_sds_controller *controller,
static void scic_sds_apc_agent_configure_ports(struct scic_sds_controller *controller,
struct scic_sds_port_configuration_agent *port_agent,
struct scic_sds_phy *phy,
struct isci_phy *iphy,
bool start_timer)
{
u8 port_index;
......@@ -525,10 +500,10 @@ static void scic_sds_apc_agent_configure_ports(
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, phy);
port = scic_sds_port_configuration_agent_find_port(controller, iphy);
if (port != NULL) {
if (scic_sds_port_is_valid_phy_assignment(port, phy->phy_index))
if (scic_sds_port_is_valid_phy_assignment(port, iphy->phy_index))
apc_activity = SCIC_SDS_APC_ADD_PHY;
else
apc_activity = SCIC_SDS_APC_SKIP_PHY;
......@@ -540,20 +515,20 @@ static void scic_sds_apc_agent_configure_ports(
*
* Note the break when we reach the condition of the port id == phy id */
for (
port_index = port_agent->phy_valid_port_range[phy->phy_index].min_index;
port_index <= port_agent->phy_valid_port_range[phy->phy_index].max_index;
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;
/* First we must make sure that this PHY can be added to this Port. */
if (scic_sds_port_is_valid_phy_assignment(port, phy->phy_index)) {
if (scic_sds_port_is_valid_phy_assignment(port, 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 << phy->phy_index)) {
if (port->active_phy_mask > (1 << iphy->phy_index)) {
apc_activity = SCIC_SDS_APC_SKIP_PHY;
break;
}
......@@ -562,7 +537,7 @@ static void scic_sds_apc_agent_configure_ports(
* 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 == phy->phy_index) {
if (port->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
......@@ -608,10 +583,10 @@ static void scic_sds_apc_agent_configure_ports(
switch (apc_activity) {
case SCIC_SDS_APC_ADD_PHY:
status = scic_sds_port_add_phy(port, phy);
status = scic_sds_port_add_phy(port, iphy);
if (status == SCI_SUCCESS) {
port_agent->phy_configured_mask |= (1 << phy->phy_index);
port_agent->phy_configured_mask |= (1 << iphy->phy_index);
}
break;
......@@ -651,14 +626,14 @@ static void scic_sds_apc_agent_configure_ports(
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 scic_sds_phy *sci_phy)
struct isci_phy *iphy)
{
u8 phy_index = sci_phy->phy_index;
u8 phy_index = iphy->phy_index;
if (!sci_port) {
/* 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, sci_phy, true);
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;
......@@ -669,7 +644,7 @@ 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, sci_phy);
scic_sds_port_link_up(sci_port, iphy);
}
}
......@@ -690,18 +665,18 @@ 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 scic_sds_phy *phy)
struct isci_phy *iphy)
{
port_agent->phy_ready_mask &= ~(1 << scic_sds_phy_get_index(phy));
port_agent->phy_ready_mask &= ~(1 << scic_sds_phy_get_index(iphy));
if (port != NULL) {
if (port_agent->phy_configured_mask & (1 << phy->phy_index)) {
if (port_agent->phy_configured_mask & (1 << iphy->phy_index)) {
enum sci_status status;
status = scic_sds_port_remove_phy(port, phy);
status = scic_sds_port_remove_phy(port, iphy);
if (status == SCI_SUCCESS) {
port_agent->phy_configured_mask &= ~(1 << phy->phy_index);
port_agent->phy_configured_mask &= ~(1 << iphy->phy_index);
}
}
}
......@@ -739,7 +714,7 @@ static void apc_agent_timeout(unsigned long data)
continue;
scic_sds_apc_agent_configure_ports(scic, port_agent,
&ihost->phys[index].sci, false);
&ihost->phys[index], false);
}
done:
......
drivers/scsi/isci/remote_device.c
View file @ 85280955
......@@ -1389,7 +1389,7 @@ int isci_remote_device_found(struct domain_device *domain_dev)
sas_port = domain_dev->port;
sas_phy = list_first_entry(&sas_port->phy_list, struct asd_sas_phy,
port_phy_el);
isci_phy = to_isci_phy(sas_phy);
isci_phy = to_iphy(sas_phy);
isci_port = isci_phy->isci_port;
/* we are being called for a device on this port,
......
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