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isci: Remove event_* calls as they are just wrappers 

Removed isci_event_* calls and call those functions directly.

Reported-by: Christoph Hellwig <hch@infradead.org>
Signed-off-by: Dave Jiang <dave.jiang@intel.com>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
This commit is contained in:
Dave Jiang 2011-03-26 16:11:51 -07:00 committed by Dan Williams
parent 52ae18ac80
commit 09d7da135b
15 changed files with 733 additions and 1750 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
drivers/scsi/isci/Makefile
View File

@ -9,7 +9,7 @@ EXTRA_CFLAGS += -Idrivers/scsi/isci/core/ -Idrivers/scsi/isci/
obj-$(CONFIG_SCSI_ISCI) += isci.o
isci-objs := init.o phy.o request.o sata.o \
remote_device.o port.o timers.o \
host.o task.o events.o probe_roms.o \
host.o task.o probe_roms.o \
core/scic_sds_controller.o \
core/scic_sds_remote_device.o \
core/scic_sds_request.o \

400
drivers/scsi/isci/core/scic_sds_controller.c
View File

@ -253,19 +253,19 @@ static void scic_sds_controller_phy_startup_timeout_handler(
* This method initializes the phy startup operations for controller start.
*/
enum sci_status scic_sds_controller_initialize_phy_startup(
struct scic_sds_controller *this_controller)
struct scic_sds_controller *scic)
{
this_controller->phy_startup_timer = isci_event_timer_create(
this_controller,
scic_sds_controller_phy_startup_timeout_handler,
this_controller
);
struct isci_host *ihost = sci_object_get_association(scic);
if (this_controller->phy_startup_timer == NULL) {
scic->phy_startup_timer = isci_timer_create(ihost,
scic,
scic_sds_controller_phy_startup_timeout_handler);
if (scic->phy_startup_timer == NULL)
return SCI_FAILURE_INSUFFICIENT_RESOURCES;
} else {
this_controller->next_phy_to_start = 0;
this_controller->phy_startup_timer_pending = false;
else {
scic->next_phy_to_start = 0;
scic->phy_startup_timer_pending = false;
}
return SCI_SUCCESS;
@ -278,22 +278,20 @@ enum sci_status scic_sds_controller_initialize_phy_startup(
* object.
*/
void scic_sds_controller_initialize_power_control(
struct scic_sds_controller *this_controller)
struct scic_sds_controller *scic)
{
this_controller->power_control.timer = isci_event_timer_create(
this_controller,
scic_sds_controller_power_control_timer_handler,
this_controller
);
struct isci_host *ihost = sci_object_get_association(scic);
scic->power_control.timer = isci_timer_create(
ihost,
scic,
scic_sds_controller_power_control_timer_handler);
memset(
this_controller->power_control.requesters,
0,
sizeof(this_controller->power_control.requesters)
);
memset(scic->power_control.requesters,
0,
sizeof(scic->power_control.requesters));
this_controller->power_control.phys_waiting = 0;
this_controller->power_control.phys_granted_power = 0;
scic->power_control.phys_waiting = 0;
scic->power_control.phys_granted_power = 0;
}
/* --------------------------------------------------------------------------- */
@ -730,30 +728,29 @@ void scic_sds_controller_afe_initialization(struct scic_sds_controller *scic)
* none.
*/
static void scic_sds_controller_transition_to_ready(
struct scic_sds_controller *this_controller,
struct scic_sds_controller *scic,
enum sci_status status)
{
if (this_controller->parent.state_machine.current_state_id
== SCI_BASE_CONTROLLER_STATE_STARTING) {
struct isci_host *ihost = sci_object_get_association(scic);
if (scic->parent.state_machine.current_state_id ==
SCI_BASE_CONTROLLER_STATE_STARTING) {
/*
* We move into the ready state, because some of the phys/ports
* may be up and operational. */
* may be up and operational.
*/
sci_base_state_machine_change_state(
scic_sds_controller_get_base_state_machine(this_controller),
SCI_BASE_CONTROLLER_STATE_READY
);
scic_sds_controller_get_base_state_machine(scic),
SCI_BASE_CONTROLLER_STATE_READY);
isci_event_controller_start_complete(this_controller, status);
isci_host_start_complete(ihost, status);
}
}
/**
* This method is the general timeout handler for the controller. It will take
* the correct timetout action based on the current controller state
*/
void scic_sds_controller_timeout_handler(
struct scic_sds_controller *scic)
void scic_sds_controller_timeout_handler(void *_scic)
{
struct scic_sds_controller *scic = _scic;
struct isci_host *ihost = sci_object_get_association(scic);
enum sci_base_controller_states current_state;
current_state = sci_base_state_machine_get_state(
@ -766,7 +763,7 @@ void scic_sds_controller_timeout_handler(
sci_base_state_machine_change_state(
scic_sds_controller_get_base_state_machine(scic),
SCI_BASE_CONTROLLER_STATE_FAILED);
isci_event_controller_stop_complete(scic, SCI_FAILURE_TIMEOUT);
isci_host_stop_complete(ihost, SCI_FAILURE_TIMEOUT);
} else /* / @todo Now what do we want to do in this case? */
dev_err(scic_to_dev(scic),
"%s: Controller timer fired when controller was not "
@ -803,37 +800,21 @@ enum sci_status scic_sds_controller_stop_ports(struct scic_sds_controller *scic)
return status;
}
/**
*
*
*
*/
static void scic_sds_controller_phy_timer_start(
struct scic_sds_controller *this_controller)
static inline void scic_sds_controller_phy_timer_start(
struct scic_sds_controller *scic)
{
isci_event_timer_start(
this_controller,
this_controller->phy_startup_timer,
SCIC_SDS_CONTROLLER_PHY_START_TIMEOUT
);
isci_timer_start(scic->phy_startup_timer,
SCIC_SDS_CONTROLLER_PHY_START_TIMEOUT);
this_controller->phy_startup_timer_pending = true;
scic->phy_startup_timer_pending = true;
}
/**
*
*
*
*/
void scic_sds_controller_phy_timer_stop(
struct scic_sds_controller *this_controller)
inline void scic_sds_controller_phy_timer_stop(
struct scic_sds_controller *scic)
{
isci_event_timer_stop(
this_controller,
this_controller->phy_startup_timer
);
isci_timer_stop(scic->phy_startup_timer);
this_controller->phy_startup_timer_pending = false;
scic->phy_startup_timer_pending = false;
}
/**
@ -1009,19 +990,17 @@ enum sci_status scic_sds_controller_stop_devices(
* ****************************************************************************- */
/**
* This function starts the power control timer for this controller object.
*
*
* This method starts the power control timer for this controller object.
* @param scic
*/
static void scic_sds_controller_power_control_timer_start(
struct scic_sds_controller *this_controller)
static inline void scic_sds_controller_power_control_timer_start(
struct scic_sds_controller *scic)
{
isci_event_timer_start(
this_controller, this_controller->power_control.timer,
SCIC_SDS_CONTROLLER_POWER_CONTROL_INTERVAL
);
isci_timer_start(scic->power_control.timer,
SCIC_SDS_CONTROLLER_POWER_CONTROL_INTERVAL);
this_controller->power_control.timer_started = true;
scic->power_control.timer_started = true;
}
/**
@ -1029,20 +1008,22 @@ static void scic_sds_controller_power_control_timer_start(
*
* @param scic
*/
void scic_sds_controller_power_control_timer_stop(struct scic_sds_controller *scic)
static inline void scic_sds_controller_power_control_timer_stop(
struct scic_sds_controller *scic)
{
if (scic->power_control.timer_started) {
isci_event_timer_stop(scic, scic->power_control.timer);
isci_timer_stop(scic->power_control.timer);
scic->power_control.timer_started = false;
}
}
/**
* This method stops and starts the power control timer for this controller object.
* This method stops and starts the power control timer for this controller
* object.
*
* @param scic
*/
void scic_sds_controller_power_control_timer_restart(
static inline void scic_sds_controller_power_control_timer_restart(
struct scic_sds_controller *scic)
{
scic_sds_controller_power_control_timer_stop(scic);
@ -2893,51 +2874,41 @@ static enum sci_status scic_sds_controller_general_reset_handler(
* * RESET STATE HANDLERS
* ***************************************************************************** */
/**
*
* @controller: This is the struct sci_base_controller object which is cast into a
* struct scic_sds_controller object.
*
* This method is the struct scic_sds_controller initialize handler for the reset
* state. - Currently this function does nothing enum sci_status SCI_FAILURE This
* function is not yet implemented and is a valid request from the reset state.
*/
static enum sci_status scic_sds_controller_reset_state_initialize_handler(
struct sci_base_controller *controller)
static enum sci_status scic_sds_controller_reset_state_initialize_handler(struct sci_base_controller *base_scic)
{
u32 index;
enum sci_status result = SCI_SUCCESS;
struct scic_sds_controller *this_controller;
struct scic_sds_controller *scic;
struct isci_host *ihost;
u32 index;
this_controller = (struct scic_sds_controller *)controller;
scic = container_of(base_scic, typeof(*scic), parent);
ihost = sci_object_get_association(scic);
sci_base_state_machine_change_state(
scic_sds_controller_get_base_state_machine(this_controller),
SCI_BASE_CONTROLLER_STATE_INITIALIZING
);
scic_sds_controller_get_base_state_machine(scic),
SCI_BASE_CONTROLLER_STATE_INITIALIZING);
this_controller->timeout_timer = isci_event_timer_create(
this_controller,
(void (*)(void *))scic_sds_controller_timeout_handler,
(void (*)(void *))controller);
scic->timeout_timer = isci_timer_create(ihost,
scic,
scic_sds_controller_timeout_handler);
scic_sds_controller_initialize_phy_startup(this_controller);
scic_sds_controller_initialize_phy_startup(scic);
scic_sds_controller_initialize_power_control(this_controller);
scic_sds_controller_initialize_power_control(scic);
/*
* There is nothing to do here for B0 since we do not have to
* program the AFE registers.
* / @todo The AFE settings are supposed to be correct for the B0 but
* / presently they seem to be wrong. */
scic_sds_controller_afe_initialization(this_controller);
scic_sds_controller_afe_initialization(scic);
if (SCI_SUCCESS == result) {
if (result == SCI_SUCCESS) {
u32 status;
u32 terminate_loop;
/* Take the hardware out of reset */
SMU_SMUSRCR_WRITE(this_controller, 0x00000000);
SMU_SMUSRCR_WRITE(scic, 0x00000000);
/*
* / @todo Provide meaningfull error code for hardware failure
@ -2948,11 +2919,11 @@ static enum sci_status scic_sds_controller_reset_state_initialize_handler(
while (terminate_loop-- && (result != SCI_SUCCESS)) {
/* Loop until the hardware reports success */
udelay(SCU_CONTEXT_RAM_INIT_STALL_TIME);
status = SMU_SMUCSR_READ(this_controller);
status = SMU_SMUCSR_READ(scic);
if ((status & SCU_RAM_INIT_COMPLETED) == SCU_RAM_INIT_COMPLETED) {
if ((status & SCU_RAM_INIT_COMPLETED) ==
SCU_RAM_INIT_COMPLETED)
result = SCI_SUCCESS;
}
}
}
@ -2965,39 +2936,42 @@ static enum sci_status scic_sds_controller_reset_state_initialize_handler(
/*
* Determine what are the actaul device capacities that the
* hardware will support */
device_context_capacity = SMU_DCC_READ(this_controller);
device_context_capacity = SMU_DCC_READ(scic);
max_supported_ports =
smu_dcc_get_max_ports(device_context_capacity);
max_supported_devices =
smu_dcc_get_max_remote_node_context(device_context_capacity);
max_supported_io_requests =
smu_dcc_get_max_task_context(device_context_capacity);
max_supported_ports = smu_dcc_get_max_ports(device_context_capacity);
max_supported_devices = smu_dcc_get_max_remote_node_context(device_context_capacity);
max_supported_io_requests = smu_dcc_get_max_task_context(device_context_capacity);
/* Make all PEs that are unassigned match up with the logical ports */
/*
* Make all PEs that are unassigned match up with the
* logical ports
*/
for (index = 0; index < max_supported_ports; index++) {
scu_register_write(
this_controller,
this_controller->scu_registers->peg0.ptsg.protocol_engine[index],
index
);
struct scu_port_task_scheduler_group_registers *ptsg =
&scic->scu_registers->peg0.ptsg;
scu_register_write(scic,
ptsg->protocol_engine[index],
index);
}
/* Record the smaller of the two capacity values */
this_controller->logical_port_entries =
min(max_supported_ports, this_controller->logical_port_entries);
scic->logical_port_entries =
min(max_supported_ports, scic->logical_port_entries);
this_controller->task_context_entries =
min(max_supported_io_requests, this_controller->task_context_entries);
scic->task_context_entries =
min(max_supported_io_requests,
scic->task_context_entries);
this_controller->remote_node_entries =
min(max_supported_devices, this_controller->remote_node_entries);
scic->remote_node_entries =
min(max_supported_devices, scic->remote_node_entries);
/*
* Now that we have the correct hardware reported minimum values
* build the MDL for the controller. Default to a performance
* configuration. */
scic_controller_set_mode(this_controller, SCI_MODE_SPEED);
* configuration.
*/
scic_controller_set_mode(scic, SCI_MODE_SPEED);
}
/* Initialize hardware PCI Relaxed ordering in DMA engines */
@ -3005,66 +2979,62 @@ static enum sci_status scic_sds_controller_reset_state_initialize_handler(
u32 dma_configuration;
/* Configure the payload DMA */
dma_configuration = SCU_PDMACR_READ(this_controller);
dma_configuration |= SCU_PDMACR_GEN_BIT(PCI_RELAXED_ORDERING_ENABLE);
SCU_PDMACR_WRITE(this_controller, dma_configuration);
dma_configuration = SCU_PDMACR_READ(scic);
dma_configuration |=
SCU_PDMACR_GEN_BIT(PCI_RELAXED_ORDERING_ENABLE);
SCU_PDMACR_WRITE(scic, dma_configuration);
/* Configure the control DMA */
dma_configuration = SCU_CDMACR_READ(this_controller);
dma_configuration |= SCU_CDMACR_GEN_BIT(PCI_RELAXED_ORDERING_ENABLE);
SCU_CDMACR_WRITE(this_controller, dma_configuration);
dma_configuration = SCU_CDMACR_READ(scic);
dma_configuration |=
SCU_CDMACR_GEN_BIT(PCI_RELAXED_ORDERING_ENABLE);
SCU_CDMACR_WRITE(scic, dma_configuration);
}
/*
* Initialize the PHYs before the PORTs because the PHY registers
* are accessed during the port initialization. */
* are accessed during the port initialization.
*/
if (result == SCI_SUCCESS) {
/* Initialize the phys */
for (index = 0;
(result == SCI_SUCCESS) && (index < SCI_MAX_PHYS);
index++) {
result = scic_sds_phy_initialize(
&this_controller->phy_table[index],
&this_controller->scu_registers->peg0.pe[index].tl,
&this_controller->scu_registers->peg0.pe[index].ll
);
&scic->phy_table[index],
&scic->scu_registers->peg0.pe[index].tl,
&scic->scu_registers->peg0.pe[index].ll);
}
}
if (result == SCI_SUCCESS) {
/* Initialize the logical ports */
for (index = 0;
(index < this_controller->logical_port_entries)
&& (result == SCI_SUCCESS);
(index < scic->logical_port_entries) &&
(result == SCI_SUCCESS);
index++) {
result = scic_sds_port_initialize(
&this_controller->port_table[index],
&this_controller->scu_registers->peg0.ptsg.port[index],
&this_controller->scu_registers->peg0.ptsg.protocol_engine,
&this_controller->scu_registers->peg0.viit[index]
);
&scic->port_table[index],
&scic->scu_registers->peg0.ptsg.port[index],
&scic->scu_registers->peg0.ptsg.protocol_engine,
&scic->scu_registers->peg0.viit[index]);
}
}
if (SCI_SUCCESS == result) {
if (result == SCI_SUCCESS)
result = scic_sds_port_configuration_agent_initialize(
this_controller,
&this_controller->port_agent
);
}
scic,
&scic->port_agent);
/* Advance the controller state machine */
if (result == SCI_SUCCESS) {
if (result == SCI_SUCCESS)
sci_base_state_machine_change_state(
scic_sds_controller_get_base_state_machine(this_controller),
SCI_BASE_CONTROLLER_STATE_INITIALIZED
);
} else {
scic_sds_controller_get_base_state_machine(scic),
SCI_BASE_CONTROLLER_STATE_INITIALIZED);
else
sci_base_state_machine_change_state(
scic_sds_controller_get_base_state_machine(this_controller),
SCI_BASE_CONTROLLER_STATE_FAILED
);
}
scic_sds_controller_get_base_state_machine(scic),
SCI_BASE_CONTROLLER_STATE_FAILED);
return result;
}
@ -3076,13 +3046,14 @@ static enum sci_status scic_sds_controller_reset_state_initialize_handler(
/**
*
* @controller: This is the struct sci_base_controller object which is cast into a
* struct scic_sds_controller object.
* @controller: This is the struct sci_base_controller object which is cast
* into a struct scic_sds_controller object.
* @timeout: This is the allowed time for the controller object to reach the
* started state.
*
* This method is the struct scic_sds_controller start handler for the initialized
* state. - Validate we have a good memory descriptor table - Initialze the
* This function is the struct scic_sds_controller start handler for the
* initialized state.
* - Validate we have a good memory descriptor table - Initialze the
* physical memory before programming the hardware - Program the SCU hardware
* with the physical memory addresses passed in the memory descriptor table. -
* Initialzie the TCi pool - Initialize the RNi pool - Initialize the
@ -3099,70 +3070,74 @@ static enum sci_status scic_sds_controller_initialized_state_start_handler(
{
u16 index;
enum sci_status result;
struct scic_sds_controller *this_controller;
struct scic_sds_controller *scic;
this_controller = (struct scic_sds_controller *)controller;
scic = (struct scic_sds_controller *)controller;
/* Make sure that the SCI User filled in the memory descriptor table correctly */
result = scic_sds_controller_validate_memory_descriptor_table(this_controller);
/*
* Make sure that the SCI User filled in the memory descriptor
* table correctly
*/
result = scic_sds_controller_validate_memory_descriptor_table(scic);
if (result == SCI_SUCCESS) {
/* The memory descriptor list looks good so program the hardware */
scic_sds_controller_ram_initialization(this_controller);
/*
* The memory descriptor list looks good so program the
* hardware
*/
scic_sds_controller_ram_initialization(scic);
}
if (result == SCI_SUCCESS) {
/* Build the TCi free pool */
sci_pool_initialize(this_controller->tci_pool);
for (index = 0; index < this_controller->task_context_entries; index++) {
sci_pool_put(this_controller->tci_pool, index);
}
sci_pool_initialize(scic->tci_pool);
for (index = 0; index < scic->task_context_entries; index++)
sci_pool_put(scic->tci_pool, index);
/* Build the RNi free pool */
scic_sds_remote_node_table_initialize(
&this_controller->available_remote_nodes,
this_controller->remote_node_entries
);
&scic->available_remote_nodes,
scic->remote_node_entries);
}
if (result == SCI_SUCCESS) {
/*
* Before anything else lets make sure we will not be interrupted
* by the hardware. */
scic_controller_disable_interrupts(this_controller);
* Before anything else lets make sure we will not be
* interrupted by the hardware.
*/
scic_controller_disable_interrupts(scic);
/* Enable the port task scheduler */
scic_sds_controller_enable_port_task_scheduler(this_controller);
scic_sds_controller_enable_port_task_scheduler(scic);
/* Assign all the task entries to this controller physical function */
scic_sds_controller_assign_task_entries(this_controller);
/* Assign all the task entries to scic physical function */
scic_sds_controller_assign_task_entries(scic);
/* Now initialze the completion queue */
scic_sds_controller_initialize_completion_queue(this_controller);
scic_sds_controller_initialize_completion_queue(scic);
/* Initialize the unsolicited frame queue for use */
scic_sds_controller_initialize_unsolicited_frame_queue(this_controller);
scic_sds_controller_initialize_unsolicited_frame_queue(scic);
}
/* Start all of the ports on this controller */
for (index = 0; index < this_controller->logical_port_entries &&
result == SCI_SUCCESS; index++) {
struct scic_sds_port *sci_port = &this_controller->port_table[index];
for (index = 0;
(index < scic->logical_port_entries) && (result == SCI_SUCCESS);
index++) {
struct scic_sds_port *sci_port = &scic->port_table[index];
result = sci_port->state_handlers->parent.start_handler(&sci_port->parent);
result = sci_port->state_handlers->parent.start_handler(
&sci_port->parent);
}
if (result == SCI_SUCCESS) {
scic_sds_controller_start_next_phy(this_controller);
scic_sds_controller_start_next_phy(scic);
isci_event_timer_start(this_controller,
this_controller->timeout_timer,
timeout);
isci_timer_start(scic->timeout_timer, timeout);
sci_base_state_machine_change_state(
scic_sds_controller_get_base_state_machine(this_controller),
SCI_BASE_CONTROLLER_STATE_STARTING
);
scic_sds_controller_get_base_state_machine(scic),
SCI_BASE_CONTROLLER_STATE_STARTING);
}
return result;
@ -3241,18 +3216,14 @@ static enum sci_status scic_sds_controller_ready_state_stop_handler(
struct sci_base_controller *controller,
u32 timeout)
{
struct scic_sds_controller *this_controller;
struct scic_sds_controller *scic =
(struct scic_sds_controller *)controller;
this_controller = (struct scic_sds_controller *)controller;
isci_event_timer_start(this_controller,
this_controller->timeout_timer,
timeout);
isci_timer_start(scic->timeout_timer, timeout);
sci_base_state_machine_change_state(
scic_sds_controller_get_base_state_machine(this_controller),
SCI_BASE_CONTROLLER_STATE_STOPPING
);
scic_sds_controller_get_base_state_machine(scic),
SCI_BASE_CONTROLLER_STATE_STOPPING);
return SCI_SUCCESS;
}
@ -3689,12 +3660,12 @@ static void scic_sds_controller_initial_state_enter(
* from the SCI_BASE_CONTROLLER_STATE_STARTING. - This function stops the
* controller starting timeout timer. none
*/
static void scic_sds_controller_starting_state_exit(
static inline void scic_sds_controller_starting_state_exit(
struct sci_base_object *object)
{
struct scic_sds_controller *scic = (struct scic_sds_controller *)object;
isci_event_timer_stop(scic, scic->timeout_timer);
isci_timer_stop(scic->timeout_timer);
}
/**
@ -3762,21 +3733,20 @@ static void scic_sds_controller_stopping_state_enter(
/**
*
* @object: This is the struct sci_base_object which is cast to a struct scic_sds_controller
* object.
* @object: This is the struct sci_base_object which is cast to a struct
* scic_sds_controller object.
*
* This method implements the actions taken by the struct scic_sds_controller on exit
* from the SCI_BASE_CONTROLLER_STATE_STOPPING. - This function stops the
* controller stopping timeout timer. none
* This funciton implements the actions taken by the struct scic_sds_controller
* on exit from the SCI_BASE_CONTROLLER_STATE_STOPPING. -
* This function stops the controller stopping timeout timer.
*/
static void scic_sds_controller_stopping_state_exit(
static inline void scic_sds_controller_stopping_state_exit(
struct sci_base_object *object)
{
struct scic_sds_controller *this_controller;
struct scic_sds_controller *scic =
(struct scic_sds_controller *)object;
this_controller = (struct scic_sds_controller *)object;
isci_event_timer_stop(this_controller, this_controller->timeout_timer);
isci_timer_stop(scic->timeout_timer);
}
/**

3
drivers/scsi/isci/core/scic_sds_controller.h
View File

@ -681,8 +681,7 @@ void scic_sds_controller_copy_task_context(
struct scic_sds_controller *this_controller,
struct scic_sds_request *this_request);
void scic_sds_controller_timeout_handler(
struct scic_sds_controller *controller);
void scic_sds_controller_timeout_handler(void *controller);
void scic_sds_controller_initialize_power_control(
struct scic_sds_controller *this_controller);

201
drivers/scsi/isci/core/scic_sds_phy.c
View File

@ -366,18 +366,23 @@ void scic_sds_phy_set_port(
*/
enum sci_status scic_sds_phy_initialize(
struct scic_sds_phy *sci_phy,
struct scu_transport_layer_registers __iomem *transport_layer_registers,
struct scu_link_layer_registers __iomem *link_layer_registers)
struct scu_transport_layer_registers __iomem *transport_layer_registers,
struct scu_link_layer_registers __iomem *link_layer_registers)
{
struct scic_sds_controller *scic = scic_sds_phy_get_controller(sci_phy);
struct isci_host *ihost = sci_object_get_association(scic);
/* Create the SIGNATURE FIS Timeout timer for this phy */
sci_phy->sata_timeout_timer = isci_event_timer_create(
scic_sds_phy_get_controller(sci_phy),
scic_sds_phy_sata_timeout,
sci_phy
);
sci_phy->sata_timeout_timer =
isci_timer_create(
ihost,
sci_phy,
scic_sds_phy_sata_timeout);
/* Perfrom the initialization of the TL hardware */
scic_sds_phy_transport_layer_initialization(sci_phy, transport_layer_registers);
scic_sds_phy_transport_layer_initialization(
sci_phy,
transport_layer_registers);
/* Perofrm the initialization of the PE hardware */
scic_sds_phy_link_layer_initialization(sci_phy, link_layer_registers);
@ -387,8 +392,7 @@ enum sci_status scic_sds_phy_initialize(
* transition to the stopped state. */
sci_base_state_machine_change_state(
scic_sds_phy_get_base_state_machine(sci_phy),
SCI_BASE_PHY_STATE_STOPPED
);
SCI_BASE_PHY_STATE_STOPPED);
return SCI_SUCCESS;
}
@ -1742,49 +1746,42 @@ static void scic_sds_phy_starting_await_sata_power_substate_exit(
/**
*
* @object: This is the struct sci_base_object which is cast to a struct scic_sds_phy object.
* @object: This is the struct sci_base_object which is cast to a
* struct scic_sds_phy object.
*
* This method will perform the actions required by the struct scic_sds_phy on
* This function will perform the actions required by the struct scic_sds_phy on
* entering the SCIC_SDS_PHY_STARTING_SUBSTATE_AWAIT_SATA_PHY_EN. - Set the
* struct scic_sds_phy object state handlers for this state. none
*/
static void scic_sds_phy_starting_await_sata_phy_substate_enter(
struct sci_base_object *object)
{
struct scic_sds_phy *this_phy;
this_phy = (struct scic_sds_phy *)object;
struct scic_sds_phy *sci_phy = (struct scic_sds_phy *)object;
scic_sds_phy_set_starting_substate_handlers(
this_phy, SCIC_SDS_PHY_STARTING_SUBSTATE_AWAIT_SATA_PHY_EN
);
sci_phy,
SCIC_SDS_PHY_STARTING_SUBSTATE_AWAIT_SATA_PHY_EN);
isci_event_timer_start(
scic_sds_phy_get_controller(this_phy),
this_phy->sata_timeout_timer,
SCIC_SDS_SATA_LINK_TRAINING_TIMEOUT
);
isci_timer_start(sci_phy->sata_timeout_timer,
SCIC_SDS_SATA_LINK_TRAINING_TIMEOUT);
}
/**
*
* @object: This is the struct sci_base_object which is cast to a struct scic_sds_phy object.
* @object: This is the struct sci_base_object which is cast to a
* struct scic_sds_phy object.
*
* This method will perform the actions required by the struct scic_sds_phy on exiting
* This method will perform the actions required by the struct scic_sds_phy
* on exiting
* the SCIC_SDS_PHY_STARTING_SUBSTATE_AWAIT_SATA_SPEED_EN. - stop the timer
* that was started on entry to await sata phy event notification none
*/
static void scic_sds_phy_starting_await_sata_phy_substate_exit(
static inline void scic_sds_phy_starting_await_sata_phy_substate_exit(
struct sci_base_object *object)
{
struct scic_sds_phy *this_phy;
struct scic_sds_phy *sci_phy = (struct scic_sds_phy *)object;
this_phy = (struct scic_sds_phy *)object;
isci_event_timer_stop(
scic_sds_phy_get_controller(this_phy),
this_phy->sata_timeout_timer
);
isci_timer_stop(sci_phy->sata_timeout_timer);
}
/**
@ -1798,104 +1795,92 @@ static void scic_sds_phy_starting_await_sata_phy_substate_exit(
static void scic_sds_phy_starting_await_sata_speed_substate_enter(
struct sci_base_object *object)
{
struct scic_sds_phy *this_phy;
this_phy = (struct scic_sds_phy *)object;
struct scic_sds_phy *sci_phy = (struct scic_sds_phy *)object;
scic_sds_phy_set_starting_substate_handlers(
this_phy, SCIC_SDS_PHY_STARTING_SUBSTATE_AWAIT_SATA_SPEED_EN
);
sci_phy,
SCIC_SDS_PHY_STARTING_SUBSTATE_AWAIT_SATA_SPEED_EN);
isci_event_timer_start(
scic_sds_phy_get_controller(this_phy),
this_phy->sata_timeout_timer,
SCIC_SDS_SATA_LINK_TRAINING_TIMEOUT
);
isci_timer_start(sci_phy->sata_timeout_timer,
SCIC_SDS_SATA_LINK_TRAINING_TIMEOUT);
}
/**
*
* @object: This is the struct sci_base_object which is cast to a struct scic_sds_phy object.
* @object: This is the struct sci_base_object which is cast to a
* struct scic_sds_phy object.
*
* This method will perform the actions required by the struct scic_sds_phy on exiting
* This function will perform the actions required by the
* struct scic_sds_phy on exiting
* the SCIC_SDS_PHY_STARTING_SUBSTATE_AWAIT_SATA_SPEED_EN. - stop the timer
* that was started on entry to await sata phy event notification none
*/
static void scic_sds_phy_starting_await_sata_speed_substate_exit(
static inline void scic_sds_phy_starting_await_sata_speed_substate_exit(
struct sci_base_object *object)
{
struct scic_sds_phy *this_phy;
struct scic_sds_phy *sci_phy = (struct scic_sds_phy *)object;
this_phy = (struct scic_sds_phy *)object;
isci_event_timer_stop(
scic_sds_phy_get_controller(this_phy),
this_phy->sata_timeout_timer
);
isci_timer_stop(sci_phy->sata_timeout_timer);
}
/**
*
* @object: This is the struct sci_base_object which is cast to a struct scic_sds_phy object.
* @object: This is the struct sci_base_object which is cast to a
* struct scic_sds_phy object.
*
* This method will perform the actions required by the struct scic_sds_phy on
* This function will perform the actions required by the struct scic_sds_phy on
* entering the SCIC_SDS_PHY_STARTING_SUBSTATE_AWAIT_SIG_FIS_UF. - Set the
* struct scic_sds_phy object state handlers for this state. - Start the SIGNATURE FIS
* struct scic_sds_phy object state handlers for this state.
* - Start the SIGNATURE FIS
* timeout timer none
*/
static void scic_sds_phy_starting_await_sig_fis_uf_substate_enter(
struct sci_base_object *object)
{
bool continue_to_ready_state;
struct scic_sds_phy *this_phy;
this_phy = (struct scic_sds_phy *)object;
struct scic_sds_phy *sci_phy = (struct scic_sds_phy *)object;
scic_sds_phy_set_starting_substate_handlers(
this_phy, SCIC_SDS_PHY_STARTING_SUBSTATE_AWAIT_SIG_FIS_UF
);
sci_phy,
SCIC_SDS_PHY_STARTING_SUBSTATE_AWAIT_SIG_FIS_UF);
continue_to_ready_state = scic_sds_port_link_detected(
this_phy->owning_port,
this_phy
);
sci_phy->owning_port,
sci_phy);
if (continue_to_ready_state) {
/*
* Clear the PE suspend condition so we can actually receive SIG FIS
* The hardware will not respond to the XRDY until the PE suspend
* condition is cleared. */
scic_sds_phy_resume(this_phy);
* Clear the PE suspend condition so we can actually
* receive SIG FIS
* The hardware will not respond to the XRDY until the PE
* suspend condition is cleared.
*/
scic_sds_phy_resume(sci_phy);
isci_event_timer_start(
scic_sds_phy_get_controller(this_phy),
this_phy->sata_timeout_timer,
SCIC_SDS_SIGNATURE_FIS_TIMEOUT
);
} else {
this_phy->is_in_link_training = false;
}
isci_timer_start(sci_phy->sata_timeout_timer,
SCIC_SDS_SIGNATURE_FIS_TIMEOUT);
} else
sci_phy->is_in_link_training = false;
}
/**
*
* @object: This is the struct sci_base_object which is cast to a struct scic_sds_phy object.
* @object: This is the struct sci_base_object which is cast to a
* struct scic_sds_phy object.
*
* This method will perform the actions required by the struct scic_sds_phy on exiting
* This function will perform the actions required by the
* struct scic_sds_phy on exiting
* the SCIC_SDS_PHY_STARTING_SUBSTATE_AWAIT_SIG_FIS_UF. - Stop the SIGNATURE
* FIS timeout timer. none
*/
static void scic_sds_phy_starting_await_sig_fis_uf_substate_exit(
static inline void scic_sds_phy_starting_await_sig_fis_uf_substate_exit(
struct sci_base_object *object)
{
struct scic_sds_phy *this_phy;
struct scic_sds_phy *sci_phy;
this_phy = (struct scic_sds_phy *)object;
sci_phy = (struct scic_sds_phy *)object;
isci_event_timer_stop(
scic_sds_phy_get_controller(this_phy),
this_phy->sata_timeout_timer
);
isci_timer_stop(sci_phy->sata_timeout_timer);
}
/**
@ -2158,27 +2143,30 @@ enum sci_status scic_sds_phy_default_consume_power_handler(
/**
*
* @phy: This is the struct sci_base_phy object which is cast into a struct scic_sds_phy
* object.
* @phy: This is the struct sci_base_phy object which is cast into a
* struct scic_sds_phy object.
*
* This method takes the struct scic_sds_phy from a stopped state and attempts to
* start it. - The phy state machine is transitioned to the
* This method takes the struct scic_sds_phy from a stopped state and
* attempts to start it. - The phy state machine is transitioned to the
* SCI_BASE_PHY_STATE_STARTING. enum sci_status SCI_SUCCESS
*/
static enum sci_status scic_sds_phy_stopped_state_start_handler(struct sci_base_phy *phy)
static enum sci_status scic_sds_phy_stopped_state_start_handler(
struct sci_base_phy *phy)
{
struct scic_sds_phy *this_phy;
this_phy = (struct scic_sds_phy *)phy;
struct scic_sds_phy *sci_phy = (struct scic_sds_phy *)phy;
struct scic_sds_controller *scic = scic_sds_phy_get_controller(sci_phy);
struct isci_host *ihost = sci_object_get_association(scic);
/* Create the SIGNATURE FIS Timeout timer for this phy */
this_phy->sata_timeout_timer = isci_event_timer_create(
scic_sds_phy_get_controller(this_phy),
scic_sds_phy_sata_timeout, this_phy);
sci_phy->sata_timeout_timer =
isci_timer_create(
ihost,
sci_phy,
scic_sds_phy_sata_timeout);
if (this_phy->sata_timeout_timer != NULL) {
if (sci_phy->sata_timeout_timer != NULL) {
sci_base_state_machine_change_state(
scic_sds_phy_get_base_state_machine(this_phy),
scic_sds_phy_get_base_state_machine(sci_phy),
SCI_BASE_PHY_STATE_STARTING);
}
@ -2525,14 +2513,16 @@ static void scic_sds_phy_initial_state_enter(
* @object: This is the struct sci_base_object which is cast to a
* struct scic_sds_phy object.
*
* This method will perform the actions required by the struct scic_sds_phy on
* This function will perform the actions required by the struct scic_sds_phy on
* entering the SCI_BASE_PHY_STATE_INITIAL. - This function sets the state
* handlers for the phy object base state machine initial state. - The SCU
* hardware is requested to stop the protocol engine. none
*/
static void scic_sds_phy_stopped_state_enter(struct sci_base_object *object)
{
struct scic_sds_phy *sci_phy;
struct scic_sds_phy *sci_phy = (struct scic_sds_phy *)object;
struct scic_sds_controller *scic = scic_sds_phy_get_controller(sci_phy);
struct isci_host *ihost = sci_object_get_association(scic);
sci_phy = (struct scic_sds_phy *)object;
@ -2541,11 +2531,11 @@ static void scic_sds_phy_stopped_state_enter(struct sci_base_object *object)
* reset state
*/
scic_sds_phy_set_base_state_handlers(sci_phy, SCI_BASE_PHY_STATE_STOPPED);
scic_sds_phy_set_base_state_handlers(sci_phy,
SCI_BASE_PHY_STATE_STOPPED);
if (sci_phy->sata_timeout_timer != NULL) {
isci_event_timer_destroy(scic_sds_phy_get_controller(sci_phy),
sci_phy->sata_timeout_timer);
isci_del_timer(ihost, sci_phy->sata_timeout_timer);
sci_phy->sata_timeout_timer = NULL;
}
@ -2554,9 +2544,10 @@ static void scic_sds_phy_stopped_state_enter(struct sci_base_object *object)
if (sci_phy->parent.state_machine.previous_state_id !=
SCI_BASE_PHY_STATE_INITIAL)
scic_sds_controller_link_down(scic_sds_phy_get_controller(sci_phy),
scic_sds_phy_get_port(sci_phy),
sci_phy);
scic_sds_controller_link_down(
scic_sds_phy_get_controller(sci_phy),
scic_sds_phy_get_port(sci_phy),
sci_phy);
}
/**

442
drivers/scsi/isci/core/scic_sds_port.c
View File

@ -738,34 +738,32 @@ void scic_sds_port_setup_transports(
* @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.
*
* This method will activate the phy in the port. Activation includes: - adding
* This function will activate the phy in the port.
* Activation includes: - adding
* the phy to the port - enabling the Protocol Engine in the silicon. -
* notifying the user that the link is up. none
*/
void scic_sds_port_activate_phy(
struct scic_sds_port *this_port,
struct scic_sds_phy *the_phy,
bool do_notify_user)
void scic_sds_port_activate_phy(struct scic_sds_port *sci_port,
struct scic_sds_phy *sci_phy,
bool do_notify_user)
{
struct scic_sds_controller *controller;
struct scic_sds_controller *scic =
scic_sds_port_get_controller(sci_port);
struct sci_sas_identify_address_frame_protocols protocols;
struct isci_host *ihost = sci_object_get_association(scic);
controller = scic_sds_port_get_controller(this_port);
scic_sds_phy_get_attached_phy_protocols(the_phy, &protocols);
scic_sds_phy_get_attached_phy_protocols(sci_phy, &protocols);
/* If this is sata port then the phy has already been resumed */
if (!protocols.u.bits.stp_target) {
scic_sds_phy_resume(the_phy);
}
if (!protocols.u.bits.stp_target)
scic_sds_phy_resume(sci_phy);
this_port->active_phy_mask |= 1 << the_phy->phy_index;
sci_port->active_phy_mask |= 1 << sci_phy->phy_index;
scic_sds_controller_clear_invalid_phy(controller, the_phy);
scic_sds_controller_clear_invalid_phy(scic, sci_phy);
if (do_notify_user == true)
isci_event_port_link_up(this_port->owning_controller,
this_port,
the_phy);
isci_port_link_up(ihost, sci_port, sci_phy);
}
/**
@ -773,27 +771,30 @@ void scic_sds_port_activate_phy(
* @this_port: This is the port on which the phy should be deactivated.
* @the_phy: This is the specific phy that is no longer active in the port.
* @do_notify_user: This parameter specifies whether to inform the user (via
* isci_event_port_link_down()) as to the fact that a new phy as become
* isci_port_link_down()) as to the fact that a new phy as become
* ready.
*
* This method will deactivate the supplied phy in the port. none
* This function will deactivate the supplied phy in the port. none
*/
void scic_sds_port_deactivate_phy(
struct scic_sds_port *this_port,
struct scic_sds_phy *the_phy,
bool do_notify_user)
void scic_sds_port_deactivate_phy(struct scic_sds_port *sci_port,
struct scic_sds_phy *sci_phy,
bool do_notify_user)
{
this_port->active_phy_mask &= ~(1 << the_phy->phy_index);
struct scic_sds_controller *scic =
scic_sds_port_get_controller(sci_port);
struct isci_port *iport = sci_object_get_association(sci_port);
struct isci_host *ihost = sci_object_get_association(scic);
struct isci_phy *iphy = sci_object_get_association(sci_phy);
the_phy->max_negotiated_speed = SCI_SAS_NO_LINK_RATE;
sci_port->active_phy_mask &= ~(1 << sci_phy->phy_index);
sci_phy->max_negotiated_speed = SCI_SAS_NO_LINK_RATE;
/* Re-assign the phy back to the LP as if it were a narrow port */
SCU_PCSPExCR_WRITE(this_port, the_phy->phy_index, the_phy->phy_index);
SCU_PCSPExCR_WRITE(sci_port, sci_phy->phy_index, sci_phy->phy_index);
if (do_notify_user == true)
isci_event_port_link_down(this_port->owning_controller,
this_port,
the_phy);
isci_port_link_down(ihost, iphy, iport);
}
/**
@ -801,22 +802,24 @@ void scic_sds_port_deactivate_phy(
* @this_port: This is the port on which the phy should be disabled.
* @the_phy: This is the specific phy which to disabled.
*
* This method will disable the phy and report that the phy is not valid for
* This function will disable the phy and report that the phy is not valid for
* this port object. None
*/
static void scic_sds_port_invalid_link_up(
struct scic_sds_port *this_port,
struct scic_sds_phy *the_phy)
struct scic_sds_port *sci_port,
struct scic_sds_phy *sci_phy)
{
struct scic_sds_controller *controller = scic_sds_port_get_controller(this_port);
struct scic_sds_controller *scic =
scic_sds_port_get_controller(sci_port);
/*
* Check to see if we have alreay reported this link as bad and if not go
* ahead and tell the SCI_USER that we have discovered an invalid link. */
if ((controller->invalid_phy_mask & (1 << the_phy->phy_index)) == 0) {
scic_sds_controller_set_invalid_phy(controller, the_phy);
isci_event_port_invalid_link_up(controller, this_port, the_phy);
* Check to see if we have alreay reported this link as bad and if
* 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);
isci_port_invalid_link_up(scic, sci_port, sci_phy);
}
}
@ -950,44 +953,48 @@ enum sci_status scic_sds_port_complete_io(
*/
static void scic_sds_port_timeout_handler(void *port)
{
struct scic_sds_port *this_port = port;
struct scic_sds_port *sci_port = port;
u32 current_state;
current_state = sci_base_state_machine_get_state(
&this_port->parent.state_machine);
&sci_port->parent.state_machine);
if (current_state == SCI_BASE_PORT_STATE_RESETTING) {
/*
* if the port is still in the resetting state then the timeout fired
* before the reset completed. */
* if the port is still in the resetting state then the
* timeout fired before the reset completed.
*/
sci_base_state_machine_change_state(
&this_port->parent.state_machine,
SCI_BASE_PORT_STATE_FAILED
);
&sci_port->parent.state_machine,
SCI_BASE_PORT_STATE_FAILED);
} else if (current_state == SCI_BASE_PORT_STATE_STOPPED) {
/*
* if the port is stopped then the start request failed
* In this case stay in the stopped state. */
dev_err(sciport_to_dev(this_port),
* In this case stay in the stopped state.
*/
dev_err(sciport_to_dev(sci_port),
"%s: SCIC Port 0x%p failed to stop before tiemout.\n",
__func__,
this_port);
sci_port);
} else if (current_state == SCI_BASE_PORT_STATE_STOPPING) {
/* if the port is still stopping then the stop has not completed */
isci_event_port_stop_complete(
scic_sds_port_get_controller(this_port),
port,
SCI_FAILURE_TIMEOUT
);
/*
* if the port is still stopping then the stop has not
* completed
*/
isci_port_stop_complete(
scic_sds_port_get_controller(sci_port),
sci_port,
SCI_FAILURE_TIMEOUT);
} else {
/*
* The port is in the ready state and we have a timer reporting a timeout
* this should not happen. */
dev_err(sciport_to_dev(this_port),
* The port is in the ready state and we have a timer
* reporting a timeout this should not happen.
*/
dev_err(sciport_to_dev(sci_port),
"%s: SCIC Port 0x%p is processing a timeout operation "
"in state %d.\n",
__func__,
this_port,
sci_port,
current_state);
}
}
@ -1067,13 +1074,14 @@ enum sci_sas_link_rate scic_sds_port_get_max_allowed_speed(
*
*/
void scic_sds_port_broadcast_change_received(
struct scic_sds_port *this_port,
struct scic_sds_phy *this_phy)
struct scic_sds_port *sci_port,
struct scic_sds_phy *sci_phy)
{
struct scic_sds_controller *scic = sci_port->owning_controller;
struct isci_host *ihost = sci_object_get_association(scic);
/* notify the user. */
isci_event_port_bc_change_primitive_received(
this_port->owning_controller, this_port, this_phy
);
isci_port_bc_change_received(ihost, sci_port, sci_phy);
}
@ -1267,30 +1275,29 @@ static enum sci_status scic_sds_port_ready_waiting_substate_start_io_handler(
*
* This method will casue the port to reset. enum sci_status SCI_SUCCESS
*/
static enum sci_status scic_sds_port_ready_operational_substate_reset_handler(
struct sci_base_port *port,
u32 timeout)
static enum
sci_status scic_sds_port_ready_operational_substate_reset_handler(
struct sci_base_port *port,
u32 timeout)
{
enum sci_status status = SCI_FAILURE_INVALID_PHY;
u32 phy_index;
struct scic_sds_port *this_port = (struct scic_sds_port *)port;
struct scic_sds_port *sci_port = (struct scic_sds_port *)port;
struct scic_sds_phy *selected_phy = NULL;
/* Select a phy on which we can send the hard reset request. */
for (
phy_index = 0;
(phy_index < SCI_MAX_PHYS)
&& (selected_phy == NULL);
phy_index++
) {
selected_phy = this_port->phy_table[phy_index];
for (phy_index = 0;
(phy_index < SCI_MAX_PHYS) && (selected_phy == NULL);
phy_index++) {
selected_phy = sci_port->phy_table[phy_index];
if (
(selected_phy != NULL)
&& !scic_sds_port_active_phy(this_port, selected_phy)
) {
/* We found a phy but it is not ready select different phy */
if ((selected_phy != NULL) &&
!scic_sds_port_active_phy(sci_port, selected_phy)) {
/*
* We found a phy but it is not ready select
* different phy
*/
selected_phy = NULL;
}
}
@ -1300,18 +1307,13 @@ static enum sci_status scic_sds_port_ready_operational_substate_reset_handler(
status = scic_sds_phy_reset(selected_phy);
if (status == SCI_SUCCESS) {
isci_event_timer_start(
scic_sds_port_get_controller(this_port),
this_port->timer_handle,
timeout
);
this_port->not_ready_reason = SCIC_PORT_NOT_READY_HARD_RESET_REQUESTED;
isci_timer_start(sci_port->timer_handle, timeout);
sci_port->not_ready_reason =
SCIC_PORT_NOT_READY_HARD_RESET_REQUESTED;
sci_base_state_machine_change_state(
&this_port->parent.state_machine,
SCI_BASE_PORT_STATE_RESETTING
);
&sci_port->parent.state_machine,
SCI_BASE_PORT_STATE_RESETTING);
}
}
@ -1686,10 +1688,11 @@ static void scic_sds_port_ready_substate_waiting_enter(
/**
*
* @object: This is the struct sci_base_object which is cast to a struct scic_sds_port object.
* @object: This is the struct sci_base_object which is cast to a
* struct scic_sds_port object.
*
* This method will perform the actions required by the struct scic_sds_port on
* entering the SCIC_SDS_PORT_READY_SUBSTATE_OPERATIONAL. This function sets
* This function will perform the actions required by the struct scic_sds_port
* on entering the SCIC_SDS_PORT_READY_SUBSTATE_OPERATIONAL. This function sets
* the state handlers for the port object, notifies the SCI User that the port
* is ready, and resumes port operations. none
*/
@ -1697,32 +1700,34 @@ static void scic_sds_port_ready_substate_operational_enter(
struct sci_base_object *object)
{
u32 index;
struct scic_sds_port *this_port = (struct scic_sds_port *)object;
struct scic_sds_port *sci_port = (struct scic_sds_port *)object;
struct scic_sds_controller *scic =
scic_sds_port_get_controller(sci_port);
struct isci_host *ihost = sci_object_get_association(scic);
struct isci_port *iport = sci_object_get_association(sci_port);
scic_sds_port_set_ready_state_handlers(
this_port, SCIC_SDS_PORT_READY_SUBSTATE_OPERATIONAL
);
sci_port,
SCIC_SDS_PORT_READY_SUBSTATE_OPERATIONAL);
isci_event_port_ready(
scic_sds_port_get_controller(this_port), this_port
);
isci_port_ready(ihost, iport);
for (index = 0; index < SCI_MAX_PHYS; index++) {
if (this_port->phy_table[index] != NULL) {
if (sci_port->phy_table[index] != NULL)
scic_sds_port_write_phy_assignment(
this_port, this_port->phy_table[index]
);
}
sci_port,
sci_port->phy_table[index]);
}
scic_sds_port_update_viit_entry(this_port);
scic_sds_port_update_viit_entry(sci_port);
scic_sds_port_resume_port_task_scheduler(this_port);
scic_sds_port_resume_port_task_scheduler(sci_port);
/* Post the dummy task for the port so the hardware can schedule
/*
* Post the dummy task for the port so the hardware can schedule
* io correctly
*/
scic_sds_port_post_dummy_request(this_port);
scic_sds_port_post_dummy_request(sci_port);
}
/**
@ -1736,20 +1741,20 @@ static void scic_sds_port_ready_substate_operational_enter(
static void scic_sds_port_ready_substate_operational_exit(
struct sci_base_object *object)
{
struct scic_sds_port *this_port = (struct scic_sds_port *)object;
struct scic_sds_port *sci_port = (struct scic_sds_port *)object;
struct scic_sds_controller *scic =
scic_sds_port_get_controller(sci_port);
struct isci_host *ihost = sci_object_get_association(scic);
struct isci_port *iport = sci_object_get_association(sci_port);
/*
* Kill the dummy task for this port if it has not yet posted
* the hardware will treat this as a NOP and just return abort
* complete.
*/
scic_sds_port_abort_dummy_request(this_port);
/*
* Kill the dummy task for this port if it has not yet posted
* the hardware will treat this as a NOP and just return abort
* complete.
*/
scic_sds_port_abort_dummy_request(sci_port);
isci_event_port_not_ready(
scic_sds_port_get_controller(this_port),
this_port,
this_port->not_ready_reason
);
isci_port_not_ready(ihost, iport);
}
/*
@ -1759,7 +1764,8 @@ static void scic_sds_port_ready_substate_operational_exit(
/**
* scic_sds_port_ready_substate_configuring_enter() -
* @object: This is the struct sci_base_object which is cast to a struct scic_sds_port object.
* @object: This is the struct sci_base_object which is cast to a
* struct scic_sds_port object.
*
* This method will perform the actions required by the struct scic_sds_port on
* exiting the SCIC_SDS_PORT_READY_SUBSTATE_OPERATIONAL. This function reports
@ -1768,29 +1774,26 @@ static void scic_sds_port_ready_substate_operational_exit(
static void scic_sds_port_ready_substate_configuring_enter(
struct sci_base_object *object)
{
struct scic_sds_port *this_port = (struct scic_sds_port *)object;
struct scic_sds_port *sci_port = (struct scic_sds_port *)object;
struct scic_sds_controller *scic =
scic_sds_port_get_controller(sci_port);
struct isci_host *ihost = sci_object_get_association(scic);
struct isci_port *iport = sci_object_get_association(sci_port);
scic_sds_port_set_ready_state_handlers(
this_port, SCIC_SDS_PORT_READY_SUBSTATE_CONFIGURING
);
sci_port,
SCIC_SDS_PORT_READY_SUBSTATE_CONFIGURING);
if (this_port->active_phy_mask == 0) {
isci_event_port_not_ready(
scic_sds_port_get_controller(this_port),
this_port,
SCIC_PORT_NOT_READY_NO_ACTIVE_PHYS
);
if (sci_port->active_phy_mask == 0) {
isci_port_not_ready(ihost, iport);
sci_base_state_machine_change_state(
&this_port->ready_substate_machine,
SCIC_SDS_PORT_READY_SUBSTATE_WAITING
);
} else if (this_port->started_request_count == 0) {
&sci_port->ready_substate_machine,
SCIC_SDS_PORT_READY_SUBSTATE_WAITING);
} else if (sci_port->started_request_count == 0)
sci_base_state_machine_change_state(
&this_port->ready_substate_machine,
SCIC_SDS_PORT_READY_SUBSTATE_OPERATIONAL
);
}
&sci_port->ready_substate_machine,
SCIC_SDS_PORT_READY_SUBSTATE_OPERATIONAL);
}
static void scic_sds_port_ready_substate_configuring_exit(
@ -2165,42 +2168,52 @@ static enum sci_status scic_sds_port_general_complete_io_handler(
/**
* scic_sds_port_stopped_state_start_handler() - stop a port from "started"
*
* @port: This is the struct sci_base_port object which is cast into a struct scic_sds_port
* object.
* @port: This is the struct sci_base_port object which is cast into a
* struct scic_sds_port object.
*
* This method takes the struct scic_sds_port from a stopped state and attempts to
* start it. To start a port it must have no assiged devices and it must have
* at least one phy assigned to it. If those conditions are met then the port
* can transition to the ready state. enum sci_status
* SCI_FAILURE_UNSUPPORTED_PORT_CONFIGURATION This struct scic_sds_port object could
* not be started because the port configuration is not valid. SCI_SUCCESS the
* start request is successful and the struct scic_sds_port object has transitioned to
* the SCI_BASE_PORT_STATE_READY.
* This function takes the struct scic_sds_port from a stopped state and
* attempts to start it. To start a port it must have no assiged devices and
* it must have at least one phy assigned to it. If those conditions are
* met then the port can transition to the ready state.
* enum sci_status
* SCI_FAILURE_UNSUPPORTED_PORT_CONFIGURATION
* This struct scic_sds_port object could not be started because the port
* configuration is not valid.
* SCI_SUCCESS
* the start request is successful and the struct scic_sds_port object
* has transitioned to the SCI_BASE_PORT_STATE_READY.
*/
static enum sci_status scic_sds_port_stopped_state_start_handler(struct sci_base_port *base_port)
static enum sci_status
scic_sds_port_stopped_state_start_handler(struct sci_base_port *base_port)
{
struct scic_sds_port *sci_port = container_of(base_port, typeof(*sci_port), parent);
struct scic_sds_port *sci_port =
container_of(base_port, typeof(*sci_port), parent);
struct scic_sds_controller *scic = sci_port->owning_controller;
struct isci_host *ihost = sci_object_get_association(scic);
enum sci_status status = SCI_SUCCESS;
u32 phy_mask;
if (sci_port->assigned_device_count > 0) {
/*
* / @todo This is a start failure operation because there are still
* / devices assigned to this port. There must be no devices
* / assigned to a port on a start operation. */
* @todo This is a start failure operation because
* there are still devices assigned to this port.
* There must be no devices assigned to a port on a
* start operation.
*/
return SCI_FAILURE_UNSUPPORTED_PORT_CONFIGURATION;
}
sci_port->timer_handle = isci_event_timer_create(scic,
scic_sds_port_timeout_handler,
sci_port);
sci_port->timer_handle =
isci_timer_create(ihost,
sci_port,
scic_sds_port_timeout_handler);
if (!sci_port->timer_handle)
return SCI_FAILURE_INSUFFICIENT_RESOURCES;
if (sci_port->reserved_rni == SCU_DUMMY_INDEX) {
u16 rni = scic_sds_remote_node_table_allocate_remote_node(&scic->available_remote_nodes, 1);
u16 rni = scic_sds_remote_node_table_allocate_remote_node(
&scic->available_remote_nodes, 1);
if (rni != SCU_DUMMY_INDEX)
scic_sds_port_construct_dummy_rnc(sci_port, rni);
@ -2715,50 +2728,41 @@ static void scic_sds_port_stopped_state_exit(
/**
*
* @object: This is the struct sci_base_object which is cast to a struct scic_sds_port object.
* @object: This is the struct sci_base_object which is cast to a
* struct scic_sds_port object.
*
* This method will perform the actions required by the struct scic_sds_port on
* entering the SCI_BASE_PORT_STATE_READY. This function sets the ready state
* handlers for the struct scic_sds_port object, reports the port object as not ready
* and starts the ready substate machine. none
* handlers for the struct scic_sds_port object, reports the port object as
* not ready and starts the ready substate machine. none
*/
static void scic_sds_port_ready_state_enter(
struct sci_base_object *object)
static void scic_sds_port_ready_state_enter(struct sci_base_object *object)
{
struct scic_sds_port *this_port;
struct scic_sds_port *sci_port = (struct scic_sds_port *)object;
struct isci_port *iport = sci_object_get_association(sci_port);
struct scic_sds_controller *scic =
scic_sds_port_get_controller(sci_port);
struct isci_host *ihost = sci_object_get_association(scic);
this_port = (struct scic_sds_port *)object;
/*
* Put the ready state handlers in place though they will not be
* there long
*/
scic_sds_port_set_base_state_handlers(sci_port,
SCI_BASE_PORT_STATE_READY);
/* Put the ready state handlers in place though they will not be there long */
scic_sds_port_set_base_state_handlers(
this_port, SCI_BASE_PORT_STATE_READY
);
if (
SCI_BASE_PORT_STATE_RESETTING
== this_port->parent.state_machine.previous_state_id
) {
isci_event_port_hard_reset_complete(
scic_sds_port_get_controller(this_port),
this_port,
SCI_SUCCESS
);
} else {
/* Notify the caller that the port is not yet ready */
isci_event_port_not_ready(
scic_sds_port_get_controller(this_port),
this_port,
SCIC_PORT_NOT_READY_NO_ACTIVE_PHYS
);
}
if (sci_port->parent.state_machine.previous_state_id ==
SCI_BASE_PORT_STATE_RESETTING)
isci_port_hard_reset_complete(iport, SCI_SUCCESS);
else /* Notify the caller that the port is not yet ready */
isci_port_not_ready(ihost, iport);
/* Post and suspend the dummy remote node context for this port. */
scic_sds_port_post_dummy_remote_node(this_port);
scic_sds_port_post_dummy_remote_node(sci_port);
/* Start the ready substate machine */
sci_base_state_machine_start(
scic_sds_port_get_ready_substate_machine(this_port)
);
scic_sds_port_get_ready_substate_machine(sci_port));
}
/**
@ -2802,22 +2806,19 @@ static void scic_sds_port_resetting_state_enter(
/**
*
* @object: This is the struct sci_base_object which is cast to a struct scic_sds_port object.
* @object: This is the struct sci_base_object which is cast to a
* struct scic_sds_port object.
*
* This method will perform the actions required by the struct scic_sds_port on
* This function will perform the actions required by the
* struct scic_sds_port on
* exiting the SCI_BASE_STATE_RESETTING. This function does nothing. none
*/
static void scic_sds_port_resetting_state_exit(
static inline void scic_sds_port_resetting_state_exit(
struct sci_base_object *object)
{
struct scic_sds_port *this_port;
struct scic_sds_port *sci_port = (struct scic_sds_port *)object;
this_port = (struct scic_sds_port *)object;
isci_event_timer_stop(
scic_sds_port_get_controller(this_port),
this_port->timer_handle
);
isci_timer_stop(sci_port->timer_handle);
}
/**
@ -2842,51 +2843,42 @@ static void scic_sds_port_stopping_state_enter(
/**
*
* @object: This is the struct sci_base_object which is cast to a struct scic_sds_port object.
* @object: This is the struct sci_base_object which is cast to a
* struct scic_sds_port object.
*
* This method will perform the actions required by the struct scic_sds_port on
* This function will perform the actions required by the
* struct scic_sds_port on
* exiting the SCI_BASE_STATE_STOPPING. This function does nothing. none
*/
static void scic_sds_port_stopping_state_exit(
struct sci_base_object *object)
static inline void
scic_sds_port_stopping_state_exit(struct sci_base_object *object)
{
struct scic_sds_port *this_port;
struct scic_sds_port *sci_port = (struct scic_sds_port *)object;
this_port = (struct scic_sds_port *)object;
isci_timer_stop(sci_port->timer_handle);
isci_event_timer_stop(
scic_sds_port_get_controller(this_port),
this_port->timer_handle
);
scic_sds_port_destroy_dummy_resources(this_port);
scic_sds_port_destroy_dummy_resources(sci_port);
}
/**
*
* @object: This is the struct sci_base_object which is cast to a struct scic_sds_port object.
* @object: This is the struct sci_base_object which is cast to a
* struct scic_sds_port object.
*
* This method will perform the actions required by the struct scic_sds_port on
* This function will perform the actions required by the
* struct scic_sds_port on
* entering the SCI_BASE_PORT_STATE_STOPPING. This function sets the stopping
* state handlers for the struct scic_sds_port object. none
*/
static void scic_sds_port_failed_state_enter(
struct sci_base_object *object)
static void scic_sds_port_failed_state_enter(struct sci_base_object *object)
{
struct scic_sds_port *this_port;
struct scic_sds_port *sci_port = (struct scic_sds_port *)object;
struct isci_port *iport = sci_object_get_association(sci_port);
this_port = (struct scic_sds_port *)object;
scic_sds_port_set_base_state_handlers(sci_port,
SCI_BASE_PORT_STATE_FAILED);
scic_sds_port_set_base_state_handlers(
this_port,
SCI_BASE_PORT_STATE_FAILED
);
isci_event_port_hard_reset_complete(
scic_sds_port_get_controller(this_port),
this_port,
SCI_FAILURE_TIMEOUT
);
isci_port_hard_reset_complete(iport, SCI_FAILURE_TIMEOUT);
}
/* --------------------------------------------------------------------------- */

97
drivers/scsi/isci/core/scic_sds_port_configuration_agent.c
View File

@ -431,46 +431,47 @@ static void scic_sds_mpc_agent_link_up(
* assigned port.
* @phy: This is the phy object which has gone link down.
*
* This method handles the manual port configuration link down notifications.
* This function handles the manual port configuration link down notifications.
* Since all ports and phys are associated at initialization time we just turn
* around and notifiy the port object of the link down event. If this PHY is
* not associated with a port there is no action taken. Is it possible to get a
* link down notification from a phy that has no assocoated port?
*/
static void scic_sds_mpc_agent_link_down(
struct scic_sds_controller *controller,
struct scic_sds_controller *scic,
struct scic_sds_port_configuration_agent *port_agent,
struct scic_sds_port *port,
struct scic_sds_phy *phy)
struct scic_sds_port *sci_port,
struct scic_sds_phy *sci_phy)
{
if (port != NULL) {
if (sci_port != NULL) {
/*
* If we can form a new port from the remainder of the phys then we want
* to start the timer to allow the SCI User to cleanup old devices and
* rediscover the port before rebuilding the port with the phys that
* remain in the ready state. */
port_agent->phy_ready_mask &= ~(1 << scic_sds_phy_get_index(phy));
port_agent->phy_configured_mask &= ~(1 << scic_sds_phy_get_index(phy));
* If we can form a new port from the remainder of the phys
* then we want to start the timer to allow the SCI User to
* cleanup old devices and rediscover the port before
* rebuilding the port with the phys that remain in the ready
* state.
*/
port_agent->phy_ready_mask &=
~(1 << scic_sds_phy_get_index(sci_phy));
port_agent->phy_configured_mask &=
~(1 << scic_sds_phy_get_index(sci_phy));
/*
* Check to see if there are more phys waiting to be configured into a port.
* If there are allow the SCI User to tear down this port, if necessary, and
* then reconstruc the port after the timeout. */
if (
(port_agent->phy_configured_mask == 0x0000)
&& (port_agent->phy_ready_mask != 0x0000)
&& !port_agent->timer_pending
) {
* Check to see if there are more phys waiting to be
* configured into a port. If there are allow the SCI User
* to tear down this port, if necessary, and then reconstruct
* the port after the timeout.
*/
if ((port_agent->phy_configured_mask == 0x0000) &&
(port_agent->phy_ready_mask != 0x0000) &&
!port_agent->timer_pending) {
port_agent->timer_pending = true;
isci_event_timer_start(
controller,
port_agent->timer,
SCIC_SDS_MPC_RECONFIGURATION_TIMEOUT
);
isci_timer_start(port_agent->timer,
SCIC_SDS_MPC_RECONFIGURATION_TIMEOUT);
}
scic_sds_port_link_down(port, phy);
scic_sds_port_link_down(sci_port, sci_phy);
}
}
@ -535,19 +536,18 @@ static enum sci_status scic_sds_apc_agent_validate_phy_configuration(
* the next time period. This could be caused by either a link down event or a
* link up event where we can not yet tell to which port a phy belongs.
*/
static void scic_sds_apc_agent_start_timer(
struct scic_sds_controller *controller,
static inline void scic_sds_apc_agent_start_timer(
struct scic_sds_controller *scic,
struct scic_sds_port_configuration_agent *port_agent,
struct scic_sds_phy *phy,
struct scic_sds_phy *sci_phy,
u32 timeout)
{
if (port_agent->timer_pending) {
isci_event_timer_stop(controller, port_agent->timer);
}
if (port_agent->timer_pending)
isci_timer_stop(port_agent->timer);
port_agent->timer_pending = true;
isci_event_timer_start(controller, port_agent->timer, timeout);
isci_timer_start(port_agent->timer, timeout);
}
/**
@ -816,45 +816,46 @@ void scic_sds_port_configuration_agent_construct(
* This method will construct the port configuration agent for this controller.
*/
enum sci_status scic_sds_port_configuration_agent_initialize(
struct scic_sds_controller *controller,
struct scic_sds_controller *scic,
struct scic_sds_port_configuration_agent *port_agent)
{
enum sci_status status = SCI_SUCCESS;
enum SCIC_PORT_CONFIGURATION_MODE mode;
struct isci_host *ihost = sci_object_get_association(scic);
mode = controller->oem_parameters.sds1.controller.mode_type;
mode = scic->oem_parameters.sds1.controller.mode_type;
if (mode == SCIC_PORT_MANUAL_CONFIGURATION_MODE) {
status = scic_sds_mpc_agent_validate_phy_configuration(controller, port_agent);
status = scic_sds_mpc_agent_validate_phy_configuration(
scic, port_agent);
port_agent->link_up_handler = scic_sds_mpc_agent_link_up;
port_agent->link_down_handler = scic_sds_mpc_agent_link_down;
port_agent->timer = isci_event_timer_create(
controller,
scic_sds_mpc_agent_timeout_handler,
controller
);
port_agent->timer = isci_timer_create(
ihost,
scic,
scic_sds_mpc_agent_timeout_handler);
} else {
status = scic_sds_apc_agent_validate_phy_configuration(controller, port_agent);
status = scic_sds_apc_agent_validate_phy_configuration(
scic, port_agent);
port_agent->link_up_handler = scic_sds_apc_agent_link_up;
port_agent->link_down_handler = scic_sds_apc_agent_link_down;
port_agent->timer = isci_event_timer_create(
controller,
scic_sds_apc_agent_timeout_handler,
controller
);
port_agent->timer = isci_timer_create(
ihost,
scic,
scic_sds_apc_agent_timeout_handler);
}
/* Make sure we have actually gotten a timer */
if ((status == SCI_SUCCESS) && (port_agent->timer == NULL)) {
dev_err(scic_to_dev(controller),
dev_err(scic_to_dev(scic),
"%s: Controller 0x%p automatic port configuration "
"agent could not get timer.\n",
__func__,
controller);
scic);
status = SCI_FAILURE;
}

142
drivers/scsi/isci/core/scic_sds_remote_device.c
View File

@ -1795,7 +1795,7 @@ static void scic_sds_remote_device_initial_state_enter(
* @object: This is the struct sci_base_object that is cast into a
* struct scic_sds_remote_device.
*
* This is the enter method for the SCI_BASE_REMOTE_DEVICE_STATE_INITIAL it
* This is the enter function for the SCI_BASE_REMOTE_DEVICE_STATE_INITIAL it
* sets the stopped state handlers and if this state is entered from the
* SCI_BASE_REMOTE_DEVICE_STATE_STOPPING then the SCI User is informed that the
* device stop is complete. none
@ -1803,30 +1803,29 @@ static void scic_sds_remote_device_initial_state_enter(
static void scic_sds_remote_device_stopped_state_enter(
struct sci_base_object *object)
{
struct scic_sds_remote_device *this_device = (struct scic_sds_remote_device *)object;
struct scic_sds_remote_device *sci_dev =
(struct scic_sds_remote_device *)object;
struct scic_sds_controller *scic =
scic_sds_remote_device_get_controller(sci_dev);
struct isci_host *ihost = sci_object_get_association(scic);
struct isci_remote_device *idev =
sci_object_get_association(sci_dev);
SET_STATE_HANDLER(
this_device,
scic_sds_remote_device_state_handler_table,
SCI_BASE_REMOTE_DEVICE_STATE_STOPPED
);
SET_STATE_HANDLER(sci_dev,
scic_sds_remote_device_state_handler_table,
SCI_BASE_REMOTE_DEVICE_STATE_STOPPED);
/*
* If we are entering from the stopping state let the SCI User know that
* the stop operation has completed. */
if (this_device->parent.state_machine.previous_state_id
== SCI_BASE_REMOTE_DEVICE_STATE_STOPPING) {
isci_event_remote_device_stop_complete(
scic_sds_remote_device_get_controller(this_device),
this_device,
SCI_SUCCESS
);
}
* the stop operation has completed.
*/
if (sci_dev->parent.state_machine.previous_state_id ==
SCI_BASE_REMOTE_DEVICE_STATE_STOPPING)
isci_remote_device_stop_complete(ihost, idev, SCI_SUCCESS);
scic_sds_controller_remote_device_stopped(
scic_sds_remote_device_get_controller(this_device),
this_device
);
scic_sds_remote_device_get_controller(sci_dev),
sci_dev);
}
/**
@ -1834,29 +1833,28 @@ static void scic_sds_remote_device_stopped_state_enter(
* @object: This is the struct sci_base_object that is cast into a
* struct scic_sds_remote_device.
*
* This is the enter method for the SCI_BASE_REMOTE_DEVICE_STATE_STARTING it
* This is the enter function for the SCI_BASE_REMOTE_DEVICE_STATE_STARTING it
* sets the starting state handlers, sets the device not ready, and posts the
* remote node context to the hardware. none
*/
static void scic_sds_remote_device_starting_state_enter(
struct sci_base_object *object)
{
struct scic_sds_controller *the_controller;
struct scic_sds_remote_device *this_device = (struct scic_sds_remote_device *)object;
struct scic_sds_controller *scic;
struct scic_sds_remote_device *sci_dev =
(struct scic_sds_remote_device *)object;
struct isci_remote_device *idev = sci_object_get_association(sci_dev);
the_controller = scic_sds_remote_device_get_controller(this_device);
scic = scic_sds_remote_device_get_controller(sci_dev);
SET_STATE_HANDLER(
this_device,
scic_sds_remote_device_state_handler_table,
SCI_BASE_REMOTE_DEVICE_STATE_STARTING
);
sci_dev,
scic_sds_remote_device_state_handler_table,
SCI_BASE_REMOTE_DEVICE_STATE_STARTING);
isci_event_remote_device_not_ready(
the_controller,
this_device,
SCIC_REMOTE_DEVICE_NOT_READY_START_REQUESTED
);
isci_remote_device_not_ready(
idev,
SCIC_REMOTE_DEVICE_NOT_READY_START_REQUESTED);
}
/**
@ -1864,27 +1862,29 @@ static void scic_sds_remote_device_starting_state_enter(
* @object: This is the struct sci_base_object that is cast into a
* struct scic_sds_remote_device.
*
* This is the exit method for the SCI_BASE_REMOTE_DEVICE_STATE_STARTING it
* This is the exit function for the SCI_BASE_REMOTE_DEVICE_STATE_STARTING it
* reports that the device start is complete. none
*/
static void scic_sds_remote_device_starting_state_exit(
struct sci_base_object *object)
{
struct scic_sds_remote_device *this_device = (struct scic_sds_remote_device *)object;
struct scic_sds_remote_device *sci_dev =
(struct scic_sds_remote_device *)object;
struct scic_sds_controller *scic =
scic_sds_remote_device_get_controller(sci_dev);
struct isci_host *ihost = sci_object_get_association(scic);
struct isci_remote_device *idev = sci_object_get_association(sci_dev);
/*
* / @todo Check the device object for the proper return code for this
* / callback */
isci_event_remote_device_start_complete(
scic_sds_remote_device_get_controller(this_device),
this_device,
SCI_SUCCESS
);
* @todo Check the device object for the proper return code for this
* callback
*/
isci_remote_device_start_complete(ihost, idev, SCI_SUCCESS);
scic_sds_controller_remote_device_started(
scic_sds_remote_device_get_controller(this_device),
this_device
);
scic_sds_remote_device_get_controller(sci_dev),
sci_dev);
}
/**
@ -1892,30 +1892,28 @@ static void scic_sds_remote_device_starting_state_exit(
* @object: This is the struct sci_base_object that is cast into a
* struct scic_sds_remote_device.
*
* This is the enter method for the SCI_BASE_REMOTE_DEVICE_STATE_READY it sets
* This is the enter function for the SCI_BASE_REMOTE_DEVICE_STATE_READY it sets
* the ready state handlers, and starts the ready substate machine. none
*/
static void scic_sds_remote_device_ready_state_enter(
struct sci_base_object *object)
{
struct scic_sds_controller *the_controller;
struct scic_sds_remote_device *this_device = (struct scic_sds_remote_device *)object;
struct scic_sds_remote_device *sci_dev =
(struct scic_sds_remote_device *)object;
struct isci_remote_device *idev = sci_object_get_association(sci_dev);
struct scic_sds_controller *scic
= scic_sds_remote_device_get_controller(sci_dev);
the_controller = scic_sds_remote_device_get_controller(this_device);
SET_STATE_HANDLER(sci_dev,
scic_sds_remote_device_state_handler_table,
SCI_BASE_REMOTE_DEVICE_STATE_READY);
SET_STATE_HANDLER(
this_device,
scic_sds_remote_device_state_handler_table,
SCI_BASE_REMOTE_DEVICE_STATE_READY
);
scic->remote_device_sequence[sci_dev->rnc->remote_node_index]++;
the_controller->remote_device_sequence[this_device->rnc->remote_node_index]++;
if (this_device->has_ready_substate_machine) {
sci_base_state_machine_start(&this_device->ready_substate_machine);
} else {
isci_event_remote_device_ready(the_controller, this_device);
}
if (sci_dev->has_ready_substate_machine)
sci_base_state_machine_start(&sci_dev->ready_substate_machine);
else
isci_remote_device_ready(idev);
}
/**
@ -1923,26 +1921,22 @@ static void scic_sds_remote_device_ready_state_enter(
* @object: This is the struct sci_base_object that is cast into a
* struct scic_sds_remote_device.
*
* This is the exit method for the SCI_BASE_REMOTE_DEVICE_STATE_READY it does
* This is the exit function for the SCI_BASE_REMOTE_DEVICE_STATE_READY it does
* nothing. none
*/
static void scic_sds_remote_device_ready_state_exit(
struct sci_base_object *object)
{
struct scic_sds_controller *the_controller;
struct scic_sds_remote_device *this_device = (struct scic_sds_remote_device *)object;
struct scic_sds_remote_device *sci_dev =
(struct scic_sds_remote_device *)object;
struct isci_remote_device *idev = sci_object_get_association(sci_dev);
the_controller = scic_sds_remote_device_get_controller(this_device);
if (this_device->has_ready_substate_machine) {
sci_base_state_machine_stop(&this_device->ready_substate_machine);
} else {
isci_event_remote_device_not_ready(
the_controller,
this_device,
SCIC_REMOTE_DEVICE_NOT_READY_STOP_REQUESTED
);
}
if (sci_dev->has_ready_substate_machine)
sci_base_state_machine_stop(&sci_dev->ready_substate_machine);
else
isci_remote_device_not_ready(
idev,
SCIC_REMOTE_DEVICE_NOT_READY_STOP_REQUESTED);
}
/**

36
drivers/scsi/isci/core/scic_sds_request.c
View File

@ -2077,30 +2077,24 @@ static void scic_sds_request_started_state_exit(
static void scic_sds_request_completed_state_enter(
struct sci_base_object *object)
{
struct scic_sds_request *this_request = (struct scic_sds_request *)object;
struct scic_sds_request *sci_req = (struct scic_sds_request *)object;
struct scic_sds_controller *scic =
scic_sds_request_get_controller(sci_req);
struct isci_host *ihost = sci_object_get_association(scic);
struct isci_request *ireq = sci_object_get_association(sci_req);
SET_STATE_HANDLER(
this_request,
scic_sds_request_state_handler_table,
SCI_BASE_REQUEST_STATE_COMPLETED
);
SET_STATE_HANDLER(sci_req,
scic_sds_request_state_handler_table,
SCI_BASE_REQUEST_STATE_COMPLETED);
/* Tell the SCI_USER that the IO request is complete */
if (this_request->is_task_management_request == false) {
isci_event_io_request_complete(
scic_sds_request_get_controller(this_request),
scic_sds_request_get_device(this_request),
this_request,
this_request->sci_status
);
} else {
isci_event_task_request_complete(
scic_sds_request_get_controller(this_request),
scic_sds_request_get_device(this_request),
this_request,
this_request->sci_status
);
}
if (sci_req->is_task_management_request == false)
isci_request_io_request_complete(ihost,
ireq,
sci_req->sci_status);
else
isci_task_request_complete(ihost, ireq, sci_req->sci_status);
}
/**

42
drivers/scsi/isci/core/scic_sds_smp_remote_device.c
View File

@ -250,22 +250,23 @@ const struct scic_sds_remote_device_state_handler scic_sds_smp_remote_device_rea
* struct scic_sds_remote_device.
*
* This is the SCIC_SDS_SMP_REMOTE_DEVICE_READY_SUBSTATE_IDLE enter method.
* This method sets the ready cmd substate handlers and reports the device as
* This function sets the ready cmd substate handlers and reports the device as
* ready. none
*/
static void scic_sds_smp_remote_device_ready_idle_substate_enter(
static inline void scic_sds_smp_remote_device_ready_idle_substate_enter(
struct sci_base_object *object)
{
struct scic_sds_remote_device *this_device = (struct scic_sds_remote_device *)object;
struct scic_sds_remote_device *sci_dev =
(struct scic_sds_remote_device *)object;
struct isci_remote_device *idev = sci_object_get_association(sci_dev);
SET_STATE_HANDLER(
this_device,
scic_sds_smp_remote_device_ready_substate_handler_table,
SCIC_SDS_SMP_REMOTE_DEVICE_READY_SUBSTATE_IDLE
);
sci_dev,
scic_sds_smp_remote_device_ready_substate_handler_table,
SCIC_SDS_SMP_REMOTE_DEVICE_READY_SUBSTATE_IDLE);
isci_event_remote_device_ready(
scic_sds_remote_device_get_controller(this_device), this_device);
isci_remote_device_ready(idev);
}
/**
@ -274,27 +275,26 @@ static void scic_sds_smp_remote_device_ready_idle_substate_enter(
* struct scic_sds_remote_device.
*
* This is the SCIC_SDS_SMP_REMOTE_DEVICE_READY_SUBSTATE_CMD enter method. This
* method sets the remote device objects ready cmd substate handlers, and
* function sets the remote device objects ready cmd substate handlers, and
* notify core user that the device is not ready. none
*/
static void scic_sds_smp_remote_device_ready_cmd_substate_enter(
struct sci_base_object *object)
{
struct scic_sds_remote_device *this_device = (struct scic_sds_remote_device *)object;
struct scic_sds_remote_device *sci_dev =
(struct scic_sds_remote_device *)object;
struct isci_remote_device *idev = sci_object_get_association(sci_dev);
BUG_ON(this_device->working_request == NULL);
BUG_ON(sci_dev->working_request == NULL);
SET_STATE_HANDLER(
this_device,
scic_sds_smp_remote_device_ready_substate_handler_table,
SCIC_SDS_SMP_REMOTE_DEVICE_READY_SUBSTATE_CMD
);
sci_dev,
scic_sds_smp_remote_device_ready_substate_handler_table,
SCIC_SDS_SMP_REMOTE_DEVICE_READY_SUBSTATE_CMD);
isci_event_remote_device_not_ready(
scic_sds_remote_device_get_controller(this_device),
this_device,
SCIC_REMOTE_DEVICE_NOT_READY_SMP_REQUEST_STARTED
);
isci_remote_device_not_ready(
idev,
SCIC_REMOTE_DEVICE_NOT_READY_SMP_REQUEST_STARTED);
}
/**

74
drivers/scsi/isci/core/scic_sds_stp_remote_device.c
View File

@ -677,23 +677,22 @@ const struct scic_sds_remote_device_state_handler scic_sds_stp_remote_device_rea
* * STP REMOTE DEVICE READY SUBSTATE PRIVATE METHODS
* ***************************************************************************** */
static void scic_sds_stp_remote_device_ready_idle_substate_resume_complete_handler(
void *user_cookie)
static inline void
scic_sds_stp_remote_device_ready_idle_substate_resume_complete_handler(
void *user_cookie)
{
struct scic_sds_remote_device *this_device;
this_device = (struct scic_sds_remote_device *)user_cookie;
struct scic_sds_remote_device *sci_dev =
(struct scic_sds_remote_device *)user_cookie;
struct isci_remote_device *idev = sci_object_get_association(sci_dev);
/*
* For NCQ operation we do not issue a
* scic_cb_remote_device_not_ready(). As a result, avoid sending
* the ready notification. */
if (this_device->ready_substate_machine.previous_state_id
!= SCIC_SDS_STP_REMOTE_DEVICE_READY_SUBSTATE_NCQ) {
isci_event_remote_device_ready(
scic_sds_remote_device_get_controller(this_device), this_device
);
}
* the ready notification.
*/
if (sci_dev->ready_substate_machine.previous_state_id !=
SCIC_SDS_STP_REMOTE_DEVICE_READY_SUBSTATE_NCQ)
isci_remote_device_ready(idev);
}
/*
@ -749,26 +748,23 @@ static void scic_sds_stp_remote_device_ready_idle_substate_enter(
* struct scic_sds_remote_device object.
*
*/
static void scic_sds_stp_remote_device_ready_cmd_substate_enter(
static inline void scic_sds_stp_remote_device_ready_cmd_substate_enter(
struct sci_base_object *device)
{
struct scic_sds_remote_device *this_device;
struct scic_sds_remote_device *sci_dev =
(struct scic_sds_remote_device *)device;
struct isci_remote_device *idev = sci_object_get_association(sci_dev);
this_device = (struct scic_sds_remote_device *)device;
BUG_ON(this_device->working_request == NULL);
BUG_ON(sci_dev->working_request == NULL);
SET_STATE_HANDLER(
this_device,
scic_sds_stp_remote_device_ready_substate_handler_table,
SCIC_SDS_STP_REMOTE_DEVICE_READY_SUBSTATE_CMD
);
sci_dev,
scic_sds_stp_remote_device_ready_substate_handler_table,
SCIC_SDS_STP_REMOTE_DEVICE_READY_SUBSTATE_CMD);
isci_event_remote_device_not_ready(
scic_sds_remote_device_get_controller(this_device),
this_device,
SCIC_REMOTE_DEVICE_NOT_READY_SATA_REQUEST_STARTED
);
isci_remote_device_not_ready(
idev,
SCIC_REMOTE_DEVICE_NOT_READY_SATA_REQUEST_STARTED);
}
/*
@ -807,27 +803,21 @@ static void scic_sds_stp_remote_device_ready_ncq_substate_enter(
* struct scic_sds_remote_device object.
*
*/
static void scic_sds_stp_remote_device_ready_ncq_error_substate_enter(
static inline void scic_sds_stp_remote_device_ready_ncq_error_substate_enter(
struct sci_base_object *device)
{
struct scic_sds_remote_device *this_device;
this_device = (struct scic_sds_remote_device *)device;
struct scic_sds_remote_device *sci_dev =
(struct scic_sds_remote_device *)device;
struct isci_remote_device *idev = sci_object_get_association(sci_dev);
SET_STATE_HANDLER(
this_device,
scic_sds_stp_remote_device_ready_substate_handler_table,
SCIC_SDS_STP_REMOTE_DEVICE_READY_SUBSTATE_NCQ_ERROR
);
sci_dev,
scic_sds_stp_remote_device_ready_substate_handler_table,
SCIC_SDS_STP_REMOTE_DEVICE_READY_SUBSTATE_NCQ_ERROR);
if (this_device->not_ready_reason ==
SCIC_REMOTE_DEVICE_NOT_READY_SATA_SDB_ERROR_FIS_RECEIVED) {
isci_event_remote_device_not_ready(
scic_sds_remote_device_get_controller(this_device),
this_device,
this_device->not_ready_reason
);
}
if (sci_dev->not_ready_reason ==
SCIC_REMOTE_DEVICE_NOT_READY_SATA_SDB_ERROR_FIS_RECEIVED)
isci_remote_device_not_ready(idev, sci_dev->not_ready_reason);
}
/*

609
drivers/scsi/isci/events.c
View File

@ -1,609 +0,0 @@
/*
* This file is provided under a dual BSD/GPLv2 license. When using or
* redistributing this file, you may do so under either license.
*
* GPL LICENSE SUMMARY
*
* Copyright(c) 2008 - 2011 Intel Corporation. All rights reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of version 2 of the GNU General Public License as
* published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
* The full GNU General Public License is included in this distribution
* in the file called LICENSE.GPL.
*
* BSD LICENSE
*
* Copyright(c) 2008 - 2011 Intel Corporation. All rights reserved.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
* * Neither the name of Intel Corporation nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
/**
* This file contains isci module object implementation.
*
*
*/
#include "isci.h"
#include "request.h"
#include "sata.h"
#include "task.h"
#include "events.h"
/**
* isci_event_timer_create() - This callback method asks the user to create a
* timer and provide a handle for this timer for use in further timer
* interactions. The appropriate isci timer object function is called to
* create a timer object.
* @timer_callback: This parameter specifies the callback method to be invoked
* whenever the timer expires.
* @controller: This parameter specifies the controller with which this timer
* is to be associated.
* @cb_param: opaque callback parameter
*
* This method returns a handle to a timer object created by the user. The
* handle will be utilized for all further interactions relating to this timer.
*/
void *isci_event_timer_create(struct scic_sds_controller *scic,
void (*timer_callback)(void *),
void *cb_param)
{
struct isci_host *ihost = sci_object_get_association(scic);
struct isci_timer *itimer;
itimer = isci_timer_create(ihost, cb_param, timer_callback);
dev_dbg(&ihost->pdev->dev, "%s: timer = %p\n", __func__, itimer);
return itimer;
}
/**
* isci_event_timer_start() - This callback method asks the user to start the
* supplied timer. The appropriate isci timer object function is called to
* start the timer.
* @controller: This parameter specifies the controller with which this timer
* is to associated.
* @timer: This parameter specifies the timer to be started.
* @milliseconds: This parameter specifies the number of milliseconds for which
* to stall. The operating system driver is allowed to round this value up
* where necessary.
*
*/
void isci_event_timer_start(
struct scic_sds_controller *controller,
void *timer,
u32 milliseconds)
{
struct isci_host *isci_host;
isci_host =
(struct isci_host *)sci_object_get_association(controller);
dev_dbg(&isci_host->pdev->dev,
"%s: isci_host = %p, timer = %p, milliseconds = %d\n",
__func__, isci_host, timer, milliseconds);
isci_timer_start((struct isci_timer *)timer, milliseconds);
}
/**
* isci_event_timer_stop() - This callback method asks the user to stop the
* supplied timer. The appropriate isci timer object function is called to
* stop the timer.
* @controller: This parameter specifies the controller with which this timer
* is to associated.
* @timer: This parameter specifies the timer to be stopped.
*
*/
void isci_event_timer_stop(struct scic_sds_controller *controller, void *timer)
{
struct isci_host *isci_host = sci_object_get_association(controller);
dev_dbg(&isci_host->pdev->dev,
"%s: isci_host = %p, timer = %p\n",
__func__, isci_host, timer);
isci_timer_stop((struct isci_timer *)timer);
}
void isci_event_timer_destroy(struct scic_sds_controller *scic, void *timer)
{
struct isci_host *ihost = sci_object_get_association(scic);
dev_dbg(&ihost->pdev->dev, "%s: ihost = %p, timer = %p\n",
__func__, ihost, timer);
isci_del_timer(ihost, timer);
}
/**
* isci_event_controller_start_complete() - This user callback will inform the
* user that the controller has finished the start process. The associated
* isci host adapter's start_complete function is called.
* @controller: This parameter specifies the controller that was started.
* @completion_status: This parameter specifies the results of the start
* operation. SCI_SUCCESS indicates successful completion.
*
*/
void isci_event_controller_start_complete(
struct scic_sds_controller *controller,
enum sci_status completion_status)
{
struct isci_host *isci_host =
(struct isci_host *)sci_object_get_association(controller);
dev_dbg(&isci_host->pdev->dev,
"%s: isci_host = %p\n", __func__, isci_host);
isci_host_start_complete(isci_host, completion_status);
}
/**
* isci_event_controller_stop_complete() - This user callback will inform the user
* that the controller has finished the stop process. The associated isci
* host adapter's start_complete function is called.
* @controller: This parameter specifies the controller that was stopped.
* @completion_status: This parameter specifies the results of the stop
* operation. SCI_SUCCESS indicates successful completion.
*
*/
void isci_event_controller_stop_complete(
struct scic_sds_controller *controller,
enum sci_status completion_status)
{
struct isci_host *isci_host =
(struct isci_host *)sci_object_get_association(controller);
dev_dbg(&isci_host->pdev->dev,
"%s: status = 0x%x\n", __func__, completion_status);
isci_host_stop_complete(isci_host, completion_status);
}
/**
* isci_event_io_request_complete() - This user callback will inform the user that
* an IO request has completed.
* @controller: This parameter specifies the controller on which the IO is
* completing.
* @remote_device: This parameter specifies the remote device on which this IO
* request is completing.
* @io_request: This parameter specifies the IO request that has completed.
* @completion_status: This parameter specifies the results of the IO request
* operation. SCI_SUCCESS indicates successful completion.
*
*/
void isci_event_io_request_complete(
struct scic_sds_controller *controller,
struct scic_sds_remote_device *remote_device,
struct scic_sds_request *scic_io_request,
enum sci_io_status completion_status)
{
struct isci_request *request;
struct isci_host *isci_host;
isci_host =
(struct isci_host *)sci_object_get_association(controller);
request =
(struct isci_request *)sci_object_get_association(
scic_io_request
);
isci_request_io_request_complete(isci_host,
request,
completion_status);
}
/**
* isci_event_task_request_complete() - This user callback will inform the user
* that a task management request completed.
* @controller: This parameter specifies the controller on which the task
* management request is completing.
* @remote_device: This parameter specifies the remote device on which this
* task management request is completing.
* @task_request: This parameter specifies the task management request that has
* completed.
* @completion_status: This parameter specifies the results of the IO request
* operation. SCI_SUCCESS indicates successful completion.
*
*/
void isci_event_task_request_complete(
struct scic_sds_controller *controller,
struct scic_sds_remote_device *remote_device,
struct scic_sds_request *scic_task_request,
enum sci_task_status completion_status)
{
struct isci_request *request;
struct isci_host *isci_host;
isci_host =
(struct isci_host *)sci_object_get_association(controller);
request =
(struct isci_request *)sci_object_get_association(
scic_task_request);
isci_task_request_complete(isci_host, request, completion_status);
}
/**
* isci_event_port_stop_complete() - This method informs the user when a stop
* operation on the port has completed.
* @controller: This parameter represents the controller which contains the
* port.
* @port: This parameter specifies the SCI port object for which the callback
* is being invoked.
* @completion_status: This parameter specifies the status for the operation
* being completed.
*
*/
void isci_event_port_stop_complete(
struct scic_sds_controller *controller,
struct scic_sds_port *port,
enum sci_status completion_status)
{
struct isci_host *isci_host;
isci_host = (struct isci_host *)sci_object_get_association(controller);
dev_notice(&isci_host->pdev->dev, "Port stop complete\n");
}
/**
* isci_event_port_hard_reset_complete() - This method informs the user when a
* hard reset on the port has completed. This hard reset could have been
* initiated by the user or by the remote port.
* @controller: This parameter represents the controller which contains the
* port.
* @port: This parameter specifies the SCI port object for which the callback
* is being invoked.
* @completion_status: This parameter specifies the status for the operation
* being completed.
*
*/
void isci_event_port_hard_reset_complete(
struct scic_sds_controller *controller,
struct scic_sds_port *port,
enum sci_status completion_status)
{
struct isci_port *isci_port
= (struct isci_port *)sci_object_get_association(port);
isci_port_hard_reset_complete(isci_port, completion_status);
}
/**
* isci_event_port_ready() - This method informs the user that the port is now in
* a ready state and can be utilized to issue IOs.
* @controller: This parameter represents the controller which contains the
* port.
* @port: This parameter specifies the SCI port object for which the callback
* is being invoked.
*
*/
void isci_event_port_ready(
struct scic_sds_controller *controller,
struct scic_sds_port *port)
{
struct isci_port *isci_port;
struct isci_host *isci_host;
isci_host =
(struct isci_host *)sci_object_get_association(controller);
isci_port =
(struct isci_port *)sci_object_get_association(port);
dev_dbg(&isci_host->pdev->dev,
"%s: isci_port = %p\n", __func__, isci_port);
isci_port_ready(isci_host, isci_port);
}
/**
* isci_event_port_not_ready() - This method informs the user that the port is now
* not in a ready (i.e. busy) state and can't be utilized to issue IOs.
* @controller: This parameter represents the controller which contains the
* port.
* @port: This parameter specifies the SCI port object for which the callback
* is being invoked.
*
*/
void isci_event_port_not_ready(
struct scic_sds_controller *controller,
struct scic_sds_port *port,
u32 reason_code)
{
struct isci_port *isci_port;
struct isci_host *isci_host;
isci_host =
(struct isci_host *)sci_object_get_association(controller);
isci_port =
(struct isci_port *)sci_object_get_association(port);
dev_dbg(&isci_host->pdev->dev,
"%s: isci_port = %p\n", __func__, isci_port);
isci_port_not_ready(isci_host, isci_port);
}
/**
* isci_event_port_invalid_link_up() - This method informs the SCI Core user that
* a phy/link became ready, but the phy is not allowed in the port. In some
* situations the underlying hardware only allows for certain phy to port
* mappings. If these mappings are violated, then this API is invoked.
* @controller: This parameter represents the controller which contains the
* port.
* @port: This parameter specifies the SCI port object for which the callback
* is being invoked.
* @phy: This parameter specifies the phy that came ready, but the phy can't be
* a valid member of the port.
*
*/
void isci_event_port_invalid_link_up(
struct scic_sds_controller *controller,
struct scic_sds_port *port,
struct scic_sds_phy *phy)
{
struct isci_host *isci_host;
isci_host = (struct isci_host *)sci_object_get_association(controller);
dev_warn(&isci_host->pdev->dev, "Invalid link up!\n");
}
/**
* isci_event_port_bc_change_primitive_received() - This callback method informs
* the user that a broadcast change primitive was received.
* @controller: This parameter represents the controller which contains the
* port.
* @port: This parameter specifies the SCI port object for which the callback
* is being invoked. For instances where the phy on which the primitive was
* received is not part of a port, this parameter will be NULL.
* @phy: This parameter specifies the phy on which the primitive was received.
*
*/
void isci_event_port_bc_change_primitive_received(
struct scic_sds_controller *controller,
struct scic_sds_port *port,
struct scic_sds_phy *phy)
{
struct isci_host *isci_host;
isci_host =
(struct isci_host *)sci_object_get_association(controller);
dev_dbg(&isci_host->pdev->dev,
"%s: port = %p, phy = %p\n", __func__, port, phy);
isci_port_bc_change_received(isci_host, port, phy);
}
/**
* isci_event_port_link_up() - This callback method informs the user that a phy
* has become operational and is capable of communicating with the remote
* end point.
* @controller: This parameter represents the controller associated with the
* phy.
* @port: This parameter specifies the port object for which the user callback
* is being invoked. There may be conditions where this parameter can be
* NULL
* @phy: This parameter specifies the phy object for which the user callback is
* being invoked.
*
* none.
*/
void isci_event_port_link_up(
struct scic_sds_controller *controller,
struct scic_sds_port *port,
struct scic_sds_phy *phy)
{
struct isci_host *isci_host;
isci_host =
(struct isci_host *)sci_object_get_association(controller);
dev_dbg(&isci_host->pdev->dev,
"%s: phy = %p\n", __func__, phy);
isci_port_link_up(isci_host, port, phy);
}
/**
* isci_event_port_link_down() - This callback method informs the user that a phy
* is no longer operational and is not capable of communicating with the
* remote end point.
* @controller: This parameter represents the controller associated with the
* phy.
* @port: This parameter specifies the port object for which the user callback
* is being invoked. There may be conditions where this parameter can be
* NULL
* @phy: This parameter specifies the phy object for which the user callback is
* being invoked.
*
* none.
*/
void isci_event_port_link_down(
struct scic_sds_controller *controller,
struct scic_sds_port *port,
struct scic_sds_phy *phy)
{
struct isci_host *isci_host;
struct isci_phy *isci_phy;
struct isci_port *isci_port;
isci_host =
(struct isci_host *)sci_object_get_association(controller);
isci_phy =
(struct isci_phy *)sci_object_get_association(phy);
isci_port =
(struct isci_port *)sci_object_get_association(port);
dev_dbg(&isci_host->pdev->dev,
"%s: isci_port = %p\n", __func__, isci_port);
isci_port_link_down(isci_host, isci_phy, isci_port);
}
/**
* isci_event_remote_device_start_complete() - This user callback method will
* inform the user that a start operation has completed.
* @controller: This parameter specifies the core controller associated with
* the completion callback.
* @remote_device: This parameter specifies the remote device associated with
* the completion callback.
* @completion_status: This parameter specifies the completion status for the
* operation.
*
*/
void isci_event_remote_device_start_complete(
struct scic_sds_controller *controller,
struct scic_sds_remote_device *remote_device,
enum sci_status completion_status)
{
struct isci_host *isci_host;
struct isci_remote_device *isci_device;
isci_host =
(struct isci_host *)sci_object_get_association(controller);
isci_device =
(struct isci_remote_device *)sci_object_get_association(
remote_device
);
dev_dbg(&isci_host->pdev->dev,
"%s: isci_device = %p\n", __func__, isci_device);
isci_remote_device_start_complete(
isci_host, isci_device, completion_status);
}
/**
* isci_event_remote_device_stop_complete() - This user callback method will
* inform the user that a stop operation has completed.
* @scic: This parameter specifies the core controller associated with
* the completion callback.
* @remote_device: This parameter specifies the remote device associated with
* the completion callback.
* @completion_status: This parameter specifies the completion status for the
* operation.
*
*/
void isci_event_remote_device_stop_complete(struct scic_sds_controller *scic,
struct scic_sds_remote_device *sci_dev,
enum sci_status completion_status)
{
struct isci_host *ihost;
struct isci_remote_device *idev;
ihost = sci_object_get_association(scic);
idev = sci_object_get_association(sci_dev);
dev_dbg(&ihost->pdev->dev,
"%s: idev = %p\n", __func__, idev);
isci_remote_device_stop_complete(ihost, idev, completion_status);
}
/**
* isci_event_remote_device_ready() - This user callback method will inform the
* user that a remote device is now capable of handling IO requests.
* @controller: This parameter specifies the core controller associated with
* the completion callback.
* @remote_device: This parameter specifies the remote device associated with
* the callback.
*
*/
void isci_event_remote_device_ready(
struct scic_sds_controller *controller,
struct scic_sds_remote_device *remote_device)
{
struct isci_remote_device *isci_device =
(struct isci_remote_device *)
sci_object_get_association(remote_device);
dev_dbg(&isci_device->isci_port->isci_host->pdev->dev,
"%s: isci_device = %p\n", __func__, isci_device);
isci_remote_device_ready(isci_device);
}
/**
* isci_event_remote_device_not_ready() - This user callback method will inform
* the user that a remote device is no longer capable of handling IO
* requests (until a ready callback is invoked).
* @controller: This parameter specifies the core controller associated with
* the completion callback.
* @remote_device: This parameter specifies the remote device associated with
* the callback.
* @reason_code: This parameter specifies the reason for the remote device
* going to a not ready state.
*
*/
void isci_event_remote_device_not_ready(
struct scic_sds_controller *controller,
struct scic_sds_remote_device *remote_device,
u32 reason_code)
{
struct isci_remote_device *isci_device =
(struct isci_remote_device *)
sci_object_get_association(remote_device);
struct isci_host *isci_host;
isci_host =
(struct isci_host *)sci_object_get_association(controller);
dev_dbg(&isci_host->pdev->dev,
"%s: isci_device = %p, reason_code = %x\n",
__func__, isci_device, reason_code);
isci_remote_device_not_ready(isci_device, reason_code);
}

373
drivers/scsi/isci/events.h
View File

@ -1,373 +0,0 @@
/*
* This file is provided under a dual BSD/GPLv2 license. When using or
* redistributing this file, you may do so under either license.
*
* GPL LICENSE SUMMARY
*
* Copyright(c) 2008 - 2011 Intel Corporation. All rights reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of version 2 of the GNU General Public License as
* published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
* The full GNU General Public License is included in this distribution
* in the file called LICENSE.GPL.
*
* BSD LICENSE
*
* Copyright(c) 2008 - 2011 Intel Corporation. All rights reserved.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
* * Neither the name of Intel Corporation nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef _ISCI_EVENT_H_
#define _ISCI_EVENT_H_
/**
* isci_event_timer_create() - This callback method asks the user to create a
* timer and provide a handle for this timer for use in further timer
* interactions.
* @controller: This parameter specifies the controller with which this timer
* is to be associated.
* @timer_callback: This parameter specifies the callback method to be invoked
* whenever the timer expires.
* @cookie: This parameter specifies a piece of information that the user must
* retain. This cookie is to be supplied by the user anytime a timeout
* occurs for the created timer.
*
* The "timer_callback" method should be executed in a mutually exlusive manner
* from the controller completion handler handler. This method returns a handle
* to a timer object created by the user. The handle will be utilized for all
* further interactions relating to this timer.
*/
void *isci_event_timer_create(
struct scic_sds_controller *controller,
void (*timer_callback)(void *),
void *cookie);
/**
* isci_event_timer_start() - This callback method asks the user to start the
* supplied timer.
* @controller: This parameter specifies the controller with which this timer
* is to associated.
* @timer: This parameter specifies the timer to be started.
* @milliseconds: This parameter specifies the number of milliseconds for which
* to stall. The operating system driver is allowed to round this value up
* where necessary.
*
* All timers in the system started by the SCI Core are one shot timers.
* Therefore, the SCI user should make sure that it removes the timer from it's
* list when a timer actually fires. Additionally, SCI Core user's should be
* able to handle calls from the SCI Core to stop a timer that may already be
* stopped. none
*/
void isci_event_timer_start(
struct scic_sds_controller *controller,
void *timer,
u32 milliseconds);
/**
* isci_event_timer_stop() - This callback method asks the user to stop the
* supplied timer.
* @controller: This parameter specifies the controller with which this timer
* is to associated.
* @timer: This parameter specifies the timer to be stopped.
*
*/
void isci_event_timer_stop(
struct scic_sds_controller *controller,
void *timer);
void isci_event_timer_destroy(struct scic_sds_controller *scic, void *timer);
/**
* isci_event_controller_start_complete() - This user callback will inform the
* user that the controller has finished the start process.
* @controller: This parameter specifies the controller that was started.
* @completion_status: This parameter specifies the results of the start
* operation. SCI_SUCCESS indicates successful completion.
*
*/
void isci_event_controller_start_complete(
struct scic_sds_controller *controller,
enum sci_status completion_status);
/**
* isci_event_controller_stop_complete() - This user callback will inform the
* user that the controller has finished the stop process.
* @controller: This parameter specifies the controller that was stopped.
* @completion_status: This parameter specifies the results of the stop
* operation. SCI_SUCCESS indicates successful completion.
*
*/
void isci_event_controller_stop_complete(
struct scic_sds_controller *controller,
enum sci_status completion_status);
/**
* isci_event_io_request_complete() - This user callback will inform the user
* that an IO request has completed.
* @controller: This parameter specifies the controller on which the IO is
* completing.
* @remote_device: This parameter specifies the remote device on which this IO
* request is completing.
* @io_request: This parameter specifies the IO request that has completed.
* @completion_status: This parameter specifies the results of the IO request
* operation. SCI_SUCCESS indicates successful completion.
*
*/
void isci_event_io_request_complete(
struct scic_sds_controller *controller,
struct scic_sds_remote_device *remote_device,
struct scic_sds_request *scic_io_request,
enum sci_io_status completion_status);
/**
* isci_event_task_request_complete() - This user callback will inform the user
* that a task management request completed.
* @controller: This parameter specifies the controller on which the task
* management request is completing.
* @remote_device: This parameter specifies the remote device on which this
* task management request is completing.
* @task_request: This parameter specifies the task management request that has
* completed.
* @completion_status: This parameter specifies the results of the IO request
* operation. SCI_SUCCESS indicates successful completion.
*
*/
void isci_event_task_request_complete(
struct scic_sds_controller *controller,
struct scic_sds_remote_device *remote_device,
struct scic_sds_request *scic_task_request,
enum sci_task_status completion_status);
/**
* isci_event_port_stop_complete() - This method informs the user when a stop
* operation on the port has completed.
* @controller: This parameter represents the controller which contains the
* port.
* @port: This parameter specifies the SCI port object for which the callback
* is being invoked.
* @completion_status: This parameter specifies the status for the operation
* being completed.
*
*/
void isci_event_port_stop_complete(
struct scic_sds_controller *controller,
struct scic_sds_port *port,
enum sci_status completion_status);
/**
* isci_event_port_hard_reset_complete() - This method informs the user when a
* hard reset on the port has completed. This hard reset could have been
* initiated by the user or by the remote port.
* @controller: This parameter represents the controller which contains the
* port.
* @port: This parameter specifies the SCI port object for which the callback
* is being invoked.
* @completion_status: This parameter specifies the status for the operation
* being completed.
*
*/
void isci_event_port_hard_reset_complete(
struct scic_sds_controller *controller,
struct scic_sds_port *port,
enum sci_status completion_status);
/**
* isci_event_port_ready() - This method informs the user that the port is now
* in a ready state and can be utilized to issue IOs.
* @controller: This parameter represents the controller which contains the
* port.
* @port: This parameter specifies the SCI port object for which the callback
* is being invoked.
*
*/
void isci_event_port_ready(
struct scic_sds_controller *controller,
struct scic_sds_port *port);
/**
* isci_event_port_not_ready() - This method informs the user that the port is
* now not in a ready (i.e. busy) state and can't be utilized to issue IOs.
* @controller: This parameter represents the controller which contains the
* port.
* @port: This parameter specifies the SCI port object for which the callback
* is being invoked.
* @reason_code: This parameter specifies the reason for the port not ready
* callback.
*
*/
void isci_event_port_not_ready(
struct scic_sds_controller *controller,
struct scic_sds_port *port,
u32 reason_code);
/**
* isci_event_port_invalid_link_up() - This method informs the SCI Core user
* that a phy/link became ready, but the phy is not allowed in the port. In
* some situations the underlying hardware only allows for certain phy to port
* mappings. If these mappings are violated, then this API is invoked.
* @controller: This parameter represents the controller which contains the
* port.
* @port: This parameter specifies the SCI port object for which the callback
* is being invoked.
* @phy: This parameter specifies the phy that came ready, but the phy can't be
* a valid member of the port.
*
*/
void isci_event_port_invalid_link_up(
struct scic_sds_controller *controller,
struct scic_sds_port *port,
struct scic_sds_phy *phy);
/**
* isci_event_port_bc_change_primitive_received() - This callback method informs
* the user that a broadcast change primitive was received.
* @controller: This parameter represents the controller which contains the
* port.
* @port: This parameter specifies the SCI port object for which the callback
* is being invoked. For instances where the phy on which the primitive was
* received is not part of a port, this parameter will be
* NULL.
* @phy: This parameter specifies the phy on which the primitive was received.
*
*/
void isci_event_port_bc_change_primitive_received(
struct scic_sds_controller *controller,
struct scic_sds_port *port,
struct scic_sds_phy *phy);
/**
* isci_event_port_link_up() - This callback method informs the user that a phy
* has become operational and is capable of communicating with the remote
* end point.
* @controller: This parameter represents the controller associated with the
* phy.
* @port: This parameter specifies the port object for which the user callback
* is being invoked. There may be conditions where this parameter can be
* NULL
* @phy: This parameter specifies the phy object for which the user callback is
* being invoked.
*
*/
void isci_event_port_link_up(
struct scic_sds_controller *controller,
struct scic_sds_port *port,
struct scic_sds_phy *phy);
/**
* isci_event_port_link_down() - This callback method informs the user that a
* phy is no longer operational and is not capable of communicating with the
* remote end point.
* @controller: This parameter represents the controller associated with the
* phy.
* @port: This parameter specifies the port object for which the user callback
* is being invoked. There may be conditions where this parameter can be
* NULL
* @phy: This parameter specifies the phy object for which the user callback is
* being invoked.
*
*/
void isci_event_port_link_down(
struct scic_sds_controller *controller,
struct scic_sds_port *port,
struct scic_sds_phy *phy);
/**
* isci_event_remote_device_start_complete() - This user callback method will
* inform the user that a start operation has completed.
* @controller: This parameter specifies the core controller associated with
* the completion callback.
* @remote_device: This parameter specifies the remote device associated with
* the completion callback.
* @completion_status: This parameter specifies the completion status for the
* operation.
*
*/
void isci_event_remote_device_start_complete(
struct scic_sds_controller *controller,
struct scic_sds_remote_device *remote_device,
enum sci_status completion_status);
/**
* isci_event_remote_device_stop_complete() - This user callback method will
* inform the user that a stop operation has completed.
* @controller: This parameter specifies the core controller associated with
* the completion callback.
* @remote_device: This parameter specifies the remote device associated with
* the completion callback.
* @completion_status: This parameter specifies the completion status for the
* operation.
*
*/
void isci_event_remote_device_stop_complete(
struct scic_sds_controller *controller,
struct scic_sds_remote_device *remote_device,
enum sci_status completion_status);
/**
* isci_event_remote_device_ready() - This user callback method will inform the
* user that a remote device is now capable of handling IO requests.
* @controller: This parameter specifies the core controller associated with
* the completion callback.
* @remote_device: This parameter specifies the remote device associated with
* the callback.
*
*/
void isci_event_remote_device_ready(
struct scic_sds_controller *controller,
struct scic_sds_remote_device *remote_device);
/**
* isci_event_remote_device_not_ready() - This user callback method will inform
* the user that a remote device is no longer capable of handling IO
* requests (until a ready callback is invoked).
* @controller: This parameter specifies the core controller associated with
* the completion callback.
* @remote_device: This parameter specifies the remote device associated with
* the callback.
* @reason_code: This paramete specifies the reason the remote device is not
* ready.
*
*/
void isci_event_remote_device_not_ready(
struct scic_sds_controller *controller,
struct scic_sds_remote_device *remote_device,
u32 reason_code);
#endif

1
drivers/scsi/isci/isci.h
View File

@ -71,7 +71,6 @@
#include "timers.h"
#include "sci_status.h"
#include "request.h"
#include "events.h"
#include "task.h"
#include "sata.h"

51
drivers/scsi/isci/port.c
View File

@ -279,10 +279,8 @@ void isci_port_link_up(
* @port: This parameter specifies the isci port with the active link.
*
*/
void isci_port_link_down(
struct isci_host *isci_host,
struct isci_phy *isci_phy,
struct isci_port *isci_port)
void isci_port_link_down(struct isci_host *isci_host, struct isci_phy *isci_phy,
struct isci_port *isci_port)
{
struct isci_remote_device *isci_device;
@ -358,9 +356,7 @@ void isci_port_formed(
* @port: This parameter specifies the sci port with the active link.
*
*/
void isci_port_ready(
struct isci_host *isci_host,
struct isci_port *isci_port)
void isci_port_ready(struct isci_host *isci_host, struct isci_port *isci_port)
{
dev_dbg(&isci_host->pdev->dev,
"%s: isci_port = %p\n", __func__, isci_port);
@ -378,9 +374,7 @@ void isci_port_ready(
* @port: This parameter specifies the sci port with the active link.
*
*/
void isci_port_not_ready(
struct isci_host *isci_host,
struct isci_port *isci_port)
void isci_port_not_ready(struct isci_host *isci_host, struct isci_port *isci_port)
{
dev_dbg(&isci_host->pdev->dev,
"%s: isci_port = %p\n", __func__, isci_port);
@ -394,9 +388,8 @@ void isci_port_not_ready(
* process.
*
*/
void isci_port_hard_reset_complete(
struct isci_port *isci_port,
enum sci_status completion_status)
void isci_port_hard_reset_complete(struct isci_port *isci_port,
enum sci_status completion_status)
{
dev_dbg(&isci_port->isci_host->pdev->dev,
"%s: isci_port = %p, completion_status=%x\n",
@ -480,3 +473,35 @@ int isci_port_perform_hard_reset(
return ret;
}
/**
* isci_port_invalid_link_up() - This function informs the SCI Core user that
* a phy/link became ready, but the phy is not allowed in the port. In some
* situations the underlying hardware only allows for certain phy to port
* mappings. If these mappings are violated, then this API is invoked.
* @controller: This parameter represents the controller which contains the
* port.
* @port: This parameter specifies the SCI port object for which the callback
* is being invoked.
* @phy: This parameter specifies the phy that came ready, but the phy can't be
* a valid member of the port.
*
*/
void isci_port_invalid_link_up(struct scic_sds_controller *scic,
struct scic_sds_port *sci_port,
struct scic_sds_phy *phy)
{
struct isci_host *ihost =
(struct isci_host *)sci_object_get_association(scic);
dev_warn(&ihost->pdev->dev, "Invalid link up!\n");
}
void isci_port_stop_complete(struct scic_sds_controller *scic,
struct scic_sds_port *sci_port,
enum sci_status completion_status)
{
struct isci_host *ihost = sci_object_get_association(scic);
dev_dbg(&ihost->pdev->dev, "Port stop complete\n");
}

10
drivers/scsi/isci/port.h
View File

@ -147,5 +147,15 @@ int isci_port_perform_hard_reset(
struct isci_port *isci_port_ptr,
struct isci_phy *isci_phy_ptr);
void isci_port_invalid_link_up(
struct scic_sds_controller *scic,
struct scic_sds_port *sci_port,
struct scic_sds_phy *phy);
void isci_port_stop_complete(
struct scic_sds_controller *scic,
struct scic_sds_port *sci_port,
enum sci_status completion_status);
#endif /* !defined(_ISCI_PORT_H_) */