SCI_STATUS scif_controller_construct(
SCI_LIBRARY_HANDLE_T library,
SCI_CONTROLLER_HANDLE_T controller,
void * user_object
)
{
SCI_STATUS status = SCI_SUCCESS;
SCIF_SAS_LIBRARY_T * fw_library = (SCIF_SAS_LIBRARY_T*) library;
SCIF_SAS_CONTROLLER_T * fw_controller = (SCIF_SAS_CONTROLLER_T*) controller;
// Validate the user supplied parameters.
if ((library == SCI_INVALID_HANDLE) || (controller == SCI_INVALID_HANDLE))
return SCI_FAILURE_INVALID_PARAMETER_VALUE;
SCIF_LOG_TRACE((
sci_base_object_get_logger(library),
SCIF_LOG_OBJECT_CONTROLLER | SCIF_LOG_OBJECT_INITIALIZATION,
"scif_controller_construct(0x%x, 0x%x) enter\n",
library, controller
));
// Construct the base controller. As part of constructing the base
// controller we ask it to also manage the MDL iteration for the Core.
sci_base_controller_construct(
&fw_controller->parent,
sci_base_object_get_logger(fw_library),
scif_sas_controller_state_table,
fw_controller->mdes,
SCIF_SAS_MAX_MEMORY_DESCRIPTORS,
sci_controller_get_memory_descriptor_list_handle(fw_controller->core_object)
);
scif_sas_controller_initialize_state_logging(fw_controller);
sci_object_set_association(fw_controller, user_object);
status = scic_controller_construct(
fw_library->core_object, fw_controller->core_object, fw_controller
);
// If the core controller was successfully constructed, then
// finish construction of the framework controller.
if (status == SCI_SUCCESS)
{
// Set the association in the core controller to this framework
// controller.
sci_object_set_association(
(SCI_OBJECT_HANDLE_T) fw_controller->core_object, fw_controller
);
sci_base_state_machine_change_state(
&fw_controller->parent.state_machine,
SCI_BASE_CONTROLLER_STATE_RESET
);
}
return status;
}
SCI_STATUS scif_io_request_construct_with_core (
SCI_CONTROLLER_HANDLE_T scif_controller,
SCI_REMOTE_DEVICE_HANDLE_T scif_remote_device,
void * scic_io_request,
void * user_io_request_object,
void * io_request_memory,
SCI_IO_REQUEST_HANDLE_T * scif_io_request
)
{
SCIF_SAS_IO_REQUEST_T * fw_io = (SCIF_SAS_IO_REQUEST_T*)
io_request_memory;
SCIF_SAS_REMOTE_DEVICE_T * fw_device = (SCIF_SAS_REMOTE_DEVICE_T*)
scif_remote_device;
SCI_STATUS status = SCI_SUCCESS;
SCIF_LOG_TRACE((
sci_base_object_get_logger(fw_device),
SCIF_LOG_OBJECT_IO_REQUEST,
"scif_io_request_construct_pass_through(0x%x, 0x%x, 0x%x, 0x%x) enter\n",
scif_remote_device, user_io_request_object,
io_request_memory, scif_io_request
));
// Initialize the users handle to the framework IO request.
*scif_io_request = fw_io;
// Construct the parent object first in order to ensure logging can
// function.
scif_sas_request_construct(
&fw_io->parent,
fw_device,
sci_base_object_get_logger(fw_device),
scif_sas_io_request_state_table
);
fw_io->parent.core_object = scic_io_request;
//set association
sci_object_set_association(fw_io, user_io_request_object);
sci_object_set_association(fw_io->parent.core_object, fw_io);
sci_base_state_machine_logger_initialize(
&fw_io->parent.parent.state_machine_logger,
&fw_io->parent.parent.state_machine,
&fw_io->parent.parent.parent,
scif_cb_logger_log_states,
"SCIF_IO_REQUEST_T", "base_state_machine",
SCIF_LOG_OBJECT_IO_REQUEST
);
return status;
}
static void
isci_io_request_construct(void *arg, bus_dma_segment_t *seg, int nseg,
int error)
{
union ccb *ccb;
struct ISCI_IO_REQUEST *io_request = (struct ISCI_IO_REQUEST *)arg;
SCI_REMOTE_DEVICE_HANDLE_T *device = io_request->parent.remote_device_handle;
SCI_STATUS status;
io_request->num_segments = nseg;
io_request->sge = seg;
ccb = io_request->ccb;
/* XXX More cleanup is needed here */
if ((nseg == 0) || (error != 0)) {
ccb->ccb_h.status = CAM_REQ_INVALID;
xpt_done(ccb);
return;
}
status = scif_io_request_construct(
io_request->parent.controller_handle,
io_request->parent.remote_device_handle,
SCI_CONTROLLER_INVALID_IO_TAG, (void *)io_request,
(void *)((char*)io_request + sizeof(struct ISCI_IO_REQUEST)),
&io_request->sci_object);
if (status != SCI_SUCCESS) {
isci_io_request_complete(io_request->parent.controller_handle,
device, io_request, (SCI_IO_STATUS)status);
return;
}
sci_object_set_association(io_request->sci_object, io_request);
bus_dmamap_sync(io_request->parent.dma_tag, io_request->parent.dma_map,
BUS_DMASYNC_PREREAD | BUS_DMASYNC_PREWRITE);
status = (SCI_STATUS)scif_controller_start_io(
io_request->parent.controller_handle, device,
io_request->sci_object, SCI_CONTROLLER_INVALID_IO_TAG);
if (status != SCI_SUCCESS) {
isci_io_request_complete(io_request->parent.controller_handle,
device, io_request, (SCI_IO_STATUS)status);
return;
}
if (ccb->ccb_h.timeout != CAM_TIME_INFINITY)
callout_reset(&io_request->parent.timer, ccb->ccb_h.timeout,
isci_io_request_timeout, io_request);
}
void isci_controller_construct(struct ISCI_CONTROLLER *controller,
struct isci_softc *isci)
{
SCI_CONTROLLER_HANDLE_T scif_controller_handle;
scif_library_allocate_controller(isci->sci_library_handle,
&scif_controller_handle);
scif_controller_construct(isci->sci_library_handle,
scif_controller_handle, NULL);
controller->isci = isci;
controller->scif_controller_handle = scif_controller_handle;
/* This allows us to later use
* sci_object_get_association(scif_controller_handle)
* inside of a callback routine to get our struct ISCI_CONTROLLER object
*/
sci_object_set_association(scif_controller_handle, (void *)controller);
controller->is_started = FALSE;
controller->is_frozen = FALSE;
controller->release_queued_ccbs = FALSE;
controller->sim = NULL;
controller->initial_discovery_mask = 0;
sci_fast_list_init(&controller->pending_device_reset_list);
mtx_init(&controller->lock, "isci", NULL, MTX_DEF);
uint32_t domain_index;
for(domain_index = 0; domain_index < SCI_MAX_DOMAINS; domain_index++) {
isci_domain_construct( &controller->domain[domain_index],
domain_index, controller);
}
controller->timer_memory = malloc(
sizeof(struct ISCI_TIMER) * SCI_MAX_TIMERS, M_ISCI,
M_NOWAIT | M_ZERO);
sci_pool_initialize(controller->timer_pool);
struct ISCI_TIMER *timer = (struct ISCI_TIMER *)
controller->timer_memory;
for ( int i = 0; i < SCI_MAX_TIMERS; i++ ) {
sci_pool_put(controller->timer_pool, timer++);
}
sci_pool_initialize(controller->unmap_buffer_pool);
}
/**
* @brief This method constructs the framework's SAS domain object. During
* the construction process a linkage to the corresponding core port
* object.
*
* @param[in] domain This parameter specifies the domain object to be
* constructed.
* @param[in] domain_id This parameter specifies the ID for the domain
* object.
* @param[in] fw_controller This parameter specifies the controller managing
* the domain being constructed.
*
* @return none
*/
void scif_sas_domain_construct(
SCIF_SAS_DOMAIN_T * fw_domain,
U8 domain_id,
SCIF_SAS_CONTROLLER_T * fw_controller
)
{
SCIF_LOG_TRACE((
sci_base_object_get_logger(fw_controller),
SCIF_LOG_OBJECT_DOMAIN | SCIF_LOG_OBJECT_INITIALIZATION,
"scif_sas_domain_construct(0x%x, 0x%x, 0x%x) enter\n",
fw_domain, domain_id, fw_controller
));
sci_base_domain_construct(
&fw_domain->parent,
sci_base_object_get_logger(fw_controller),
scif_sas_domain_state_table
);
scif_sas_domain_initialize_state_logging(fw_domain);
sci_abstract_list_construct(
&fw_domain->remote_device_list, &fw_controller->free_remote_device_pool
);
// Retrieve the core's port object that directly corresponds to this
// domain.
scic_controller_get_port_handle(
fw_controller->core_object, domain_id, &fw_domain->core_object
);
// Set the association in the core port to this framework domain object.
sci_object_set_association(
(SCI_OBJECT_HANDLE_T) fw_domain->core_object, fw_domain
);
sci_fast_list_init(&fw_domain->request_list);
fw_domain->operation.timer = NULL;
fw_domain->is_port_ready = FALSE;
fw_domain->device_start_count = 0;
fw_domain->controller = fw_controller;
fw_domain->operation.status = SCI_SUCCESS;
fw_domain->is_config_route_table_needed = FALSE;
}
SCI_LIBRARY_HANDLE_T scif_library_construct(
void * library_memory,
U8 max_controller_count
)
{
SCI_STATUS status;
SCIF_SAS_LIBRARY_T * fw_library = (SCIF_SAS_LIBRARY_T *) library_memory;
// Just clear out the memory of the structure to be safe.
memset(fw_library, 0, scif_library_get_object_size(max_controller_count));
// Invoke the parent object constructor.
SCI_BASE_LIBRARY_CONSTRUCT(fw_library,
&fw_library->parent,
max_controller_count,
struct SCIF_SAS_CONTROLLER,
status);
// The memory for the framework controller objects start immediately
// after the library object.
fw_library->controllers = (SCIF_SAS_CONTROLLER_T*)
((U8*)library_memory + sizeof(SCIF_SAS_LIBRARY_T));
// Construct the core library.
fw_library->core_object = scic_library_construct(
(U8 *)library_memory +
SCIF_LIBRARY_SIZE(max_controller_count),
max_controller_count
);
// Ensure construction completed successfully for the core.
if (fw_library->core_object != SCI_INVALID_HANDLE)
{
// Set the association in the core library to this framework library.
sci_object_set_association(
(SCI_OBJECT_HANDLE_T) fw_library->core_object,
(void *) fw_library
);
return fw_library;
}
return SCI_INVALID_HANDLE;
}
int
isci_initialize(struct isci_softc *isci)
{
int error;
uint32_t status = 0;
uint32_t library_object_size;
uint32_t verbosity_mask;
uint32_t scic_log_object_mask;
uint32_t scif_log_object_mask;
uint8_t *header_buffer;
library_object_size = scif_library_get_object_size(SCI_MAX_CONTROLLERS);
isci->sci_library_memory =
malloc(library_object_size, M_ISCI, M_NOWAIT | M_ZERO );
isci->sci_library_handle = scif_library_construct(
isci->sci_library_memory, SCI_MAX_CONTROLLERS);
sci_object_set_association( isci->sci_library_handle, (void *)isci);
verbosity_mask = (1<<SCI_LOG_VERBOSITY_ERROR) |
(1<<SCI_LOG_VERBOSITY_WARNING) | (1<<SCI_LOG_VERBOSITY_INFO) |
(1<<SCI_LOG_VERBOSITY_TRACE);
scic_log_object_mask = 0xFFFFFFFF;
scic_log_object_mask &= ~SCIC_LOG_OBJECT_COMPLETION_QUEUE;
scic_log_object_mask &= ~SCIC_LOG_OBJECT_SSP_IO_REQUEST;
scic_log_object_mask &= ~SCIC_LOG_OBJECT_STP_IO_REQUEST;
scic_log_object_mask &= ~SCIC_LOG_OBJECT_SMP_IO_REQUEST;
scic_log_object_mask &= ~SCIC_LOG_OBJECT_CONTROLLER;
scif_log_object_mask = 0xFFFFFFFF;
scif_log_object_mask &= ~SCIF_LOG_OBJECT_CONTROLLER;
scif_log_object_mask &= ~SCIF_LOG_OBJECT_IO_REQUEST;
TUNABLE_INT_FETCH("hw.isci.debug_level", &g_isci_debug_level);
sci_logger_enable(sci_object_get_logger(isci->sci_library_handle),
scif_log_object_mask, verbosity_mask);
sci_logger_enable(sci_object_get_logger(
scif_library_get_scic_handle(isci->sci_library_handle)),
scic_log_object_mask, verbosity_mask);
header_buffer = (uint8_t *)&isci->pci_common_header;
for (uint8_t i = 0; i < sizeof(isci->pci_common_header); i++)
header_buffer[i] = pci_read_config(isci->device, i, 1);
scic_library_set_pci_info(
scif_library_get_scic_handle(isci->sci_library_handle),
&isci->pci_common_header);
isci->oem_parameters_found = FALSE;
isci_get_oem_parameters(isci);
/* trigger interrupt if 32 completions occur before timeout expires */
isci->coalesce_number = 32;
/* trigger interrupt if 2 microseconds elapse after a completion occurs,
* regardless if "coalesce_number" completions have occurred
*/
isci->coalesce_timeout = 2;
isci->controller_count = scic_library_get_pci_device_controller_count(
scif_library_get_scic_handle(isci->sci_library_handle));
for (int index = 0; index < isci->controller_count; index++) {
struct ISCI_CONTROLLER *controller = &isci->controllers[index];
SCI_CONTROLLER_HANDLE_T scif_controller_handle;
controller->index = index;
isci_controller_construct(controller, isci);
scif_controller_handle = controller->scif_controller_handle;
status = isci_controller_initialize(controller);
if(status != SCI_SUCCESS) {
isci_log_message(0, "ISCI",
"isci_controller_initialize FAILED: %x\n",
status);
return (status);
}
error = isci_controller_allocate_memory(controller);
if (error != 0)
return (error);
scif_controller_set_interrupt_coalescence(
scif_controller_handle, isci->coalesce_number,
isci->coalesce_timeout);
}
/* FreeBSD provides us a hook to ensure we get a chance to start
* our controllers and complete initial domain discovery before
* it searches for the boot device. Once we're done, we'll
* disestablish the hook, signaling the kernel that is can proceed
* with the boot process.
*/
isci->config_hook.ich_func = &isci_controller_start;
isci->config_hook.ich_arg = &isci->controllers[0];
if (config_intrhook_establish(&isci->config_hook) != 0)
isci_log_message(0, "ISCI",
"config_intrhook_establish failed!\n");
return (status);
}
static
SCI_STATUS scif_sas_task_request_generic_construct(
SCI_CONTROLLER_HANDLE_T scif_controller,
SCI_REMOTE_DEVICE_HANDLE_T scif_remote_device,
U16 io_tag,
void * user_task_request_object,
void * task_request_memory,
SCI_TASK_REQUEST_HANDLE_T * scif_task_request,
U8 task_function
)
{
SCI_STATUS status;
SCIF_SAS_CONTROLLER_T * fw_controller = (SCIF_SAS_CONTROLLER_T*)
scif_controller;
SCIF_SAS_TASK_REQUEST_T * fw_task = (SCIF_SAS_TASK_REQUEST_T*)
task_request_memory;
SCIF_SAS_REMOTE_DEVICE_T * fw_device = (SCIF_SAS_REMOTE_DEVICE_T*)
scif_remote_device;
U8 * core_request_memory;
SCIF_LOG_TRACE((
sci_base_object_get_logger(fw_controller),
SCIF_LOG_OBJECT_TASK_MANAGEMENT,
"scif_task_request_construct(0x%x, 0x%x, 0x%x, 0x%x, 0x%x, 0x%x) enter\n",
scif_controller, scif_remote_device, io_tag, user_task_request_object,
task_request_memory, scif_task_request
));
// Initialize the user's handle to the framework task request.
*scif_task_request = fw_task;
// initialize affected request count
fw_task->affected_request_count = 0;
fw_task->io_tag_to_manage = SCI_CONTROLLER_INVALID_IO_TAG;
fw_task->function = task_function;
if (task_function == SCI_SAS_HARD_RESET )
{
if (fw_device->containing_device != NULL )
{// Target Reset is for an expander attached device,
// go down to construct smp Phy Control request.
scif_sas_smp_request_construct_phy_control(
fw_controller,
fw_device->containing_device,
PHY_OPERATION_HARD_RESET,
fw_device->expander_phy_identifier,
user_task_request_object,
task_request_memory
);
}
else
{
scif_sas_request_construct(
&fw_task->parent,
fw_device,
sci_base_object_get_logger(fw_controller),
scif_sas_task_request_state_table
);
// If target reset is for a DA device, don't build task at all.
// Just set object association.
sci_object_set_association(fw_task, user_task_request_object);
}
return SCI_SUCCESS;
}
// Construct the parent object first in order to ensure logging can
// function.
scif_sas_request_construct(
&fw_task->parent,
fw_device,
sci_base_object_get_logger(fw_controller),
scif_sas_task_request_state_table
);
core_request_memory = (U8 *)task_request_memory + sizeof(SCIF_SAS_TASK_REQUEST_T);
status = scic_task_request_construct(
fw_controller->core_object,
fw_device->core_object,
io_tag,
fw_task,
core_request_memory,
&fw_task->parent.core_object
);
if (status == SCI_SUCCESS)
{
SMP_DISCOVER_RESPONSE_PROTOCOLS_T dev_protocols;
// These associations must be set early for the core io request
// object construction to complete correctly as there will be
// callbacks into the user driver framework during core construction
sci_object_set_association(fw_task, user_task_request_object);
sci_object_set_association(fw_task->parent.core_object, fw_task);
// Perform protocol specific core IO request construction.
scic_remote_device_get_protocols(fw_device->core_object, &dev_protocols);
if (dev_protocols.u.bits.attached_ssp_target)
status = scic_task_request_construct_ssp(fw_task->parent.core_object);
else if (dev_protocols.u.bits.attached_stp_target)
status = scif_sas_stp_task_request_construct(fw_task);
else
status = SCI_FAILURE_UNSUPPORTED_PROTOCOL;
if (status == SCI_SUCCESS)
{
sci_base_state_machine_logger_initialize(
&fw_task->parent.parent.state_machine_logger,
&fw_task->parent.parent.state_machine,
&fw_task->parent.parent.parent,
scif_cb_logger_log_states,
"SCIF_SAS_TASK_REQUEST_T", "base_state_machine",
SCIF_LOG_OBJECT_TASK_MANAGEMENT
);
}
else
{
SCIF_LOG_WARNING((
sci_base_object_get_logger(fw_task),
SCIF_LOG_OBJECT_TASK_MANAGEMENT,
"Device:0x%x TaskRequest:0x%x Function:0x%x construct failed\n",
fw_device, fw_task, scif_sas_task_request_get_function(fw_task)
));
}
}
return status;
}
void
isci_io_request_execute_smp_io(union ccb *ccb,
struct ISCI_CONTROLLER *controller)
{
SCI_STATUS status;
target_id_t target_id = ccb->ccb_h.target_id;
struct ISCI_REQUEST *request;
struct ISCI_IO_REQUEST *io_request;
SCI_REMOTE_DEVICE_HANDLE_T smp_device_handle;
struct ISCI_REMOTE_DEVICE *end_device = controller->remote_device[target_id];
/* SMP commands are sent to an end device, because SMP devices are not
* exposed to the kernel. It is our responsibility to use this method
* to get the SMP device that contains the specified end device. If
* the device is direct-attached, the handle will come back NULL, and
* we'll just fail the SMP_IO with DEV_NOT_THERE.
*/
scif_remote_device_get_containing_device(end_device->sci_object,
&smp_device_handle);
if (smp_device_handle == NULL) {
ccb->ccb_h.status &= ~CAM_SIM_QUEUED;
ccb->ccb_h.status &= ~CAM_STATUS_MASK;
ccb->ccb_h.status |= CAM_DEV_NOT_THERE;
xpt_done(ccb);
return;
}
if (sci_pool_empty(controller->request_pool)) {
ccb->ccb_h.status &= ~CAM_SIM_QUEUED;
ccb->ccb_h.status &= ~CAM_STATUS_MASK;
ccb->ccb_h.status |= CAM_REQUEUE_REQ;
xpt_freeze_simq(controller->sim, 1);
controller->is_frozen = TRUE;
xpt_done(ccb);
return;
}
ASSERT(device->is_resetting == FALSE);
sci_pool_get(controller->request_pool, request);
io_request = (struct ISCI_IO_REQUEST *)request;
io_request->ccb = ccb;
io_request->parent.remote_device_handle = smp_device_handle;
status = isci_smp_request_construct(io_request);
if (status != SCI_SUCCESS) {
isci_io_request_complete(controller->scif_controller_handle,
smp_device_handle, io_request, (SCI_IO_STATUS)status);
return;
}
sci_object_set_association(io_request->sci_object, io_request);
status = (SCI_STATUS) scif_controller_start_io(
controller->scif_controller_handle, smp_device_handle,
io_request->sci_object, SCI_CONTROLLER_INVALID_IO_TAG);
if (status != SCI_SUCCESS) {
isci_io_request_complete(controller->scif_controller_handle,
smp_device_handle, io_request, (SCI_IO_STATUS)status);
return;
}
if (ccb->ccb_h.timeout != CAM_TIME_INFINITY)
callout_reset(&io_request->parent.timer, ccb->ccb_h.timeout,
isci_io_request_timeout, request);
}
/**
* @brief This method constructs an scif sas smp request.
*
* @param[in] fw_controller The framework controller
* @param[in] fw_device The smp device that the smp request targets to.
* @param[in] fw_io_memory The memory space for the smp request.
* @param[in] core_io_memory The memory space for the core request.
* @param[in] io_tag The io tag for the internl io to be constructed.
* @param[in] smp_command A pointer to the smp request data structure according
* to SAS protocol.
*
* @return Indicate if the internal io was successfully constructed.
* @retval SCI_SUCCESS This value is returned if the internal io was
* successfully constructed.
* @retval SCI_FAILURE This value is returned if the internal io was failed to
* be constructed.
*/
SCI_STATUS scif_sas_io_request_construct_smp(
SCIF_SAS_CONTROLLER_T * fw_controller,
SCIF_SAS_REMOTE_DEVICE_T * fw_device,
void * fw_io_memory,
void * core_io_memory,
U16 io_tag,
SMP_REQUEST_T * smp_command,
void * user_request_object
)
{
SCIF_SAS_IO_REQUEST_T * fw_io =
(SCIF_SAS_IO_REQUEST_T*)fw_io_memory;
SCI_STATUS status = SCI_SUCCESS;
SCIF_LOG_TRACE((
sci_base_object_get_logger(fw_device),
SCIF_LOG_OBJECT_IO_REQUEST,
"scif_sas_io_request_construct_smp(0x%x, 0x%x, 0x%x, 0x%x, 0x%x, 0x%x, 0x%x) enter\n",
fw_controller,
fw_device,
fw_io_memory,
core_io_memory,
io_tag,
smp_command,
user_request_object
));
// Construct the parent object first in order to ensure logging can
// function.
scif_sas_request_construct(
&fw_io->parent,
fw_device,
sci_base_object_get_logger(fw_controller),
scif_sas_io_request_state_table
);
status = scic_io_request_construct(
fw_device->domain->controller->core_object,
fw_device->core_object,
io_tag,
(void*)fw_io,
(U8 *)core_io_memory,
&fw_io->parent.core_object
);
if (status == SCI_SUCCESS)
{
//set object association.
sci_object_set_association(fw_io, user_request_object);
sci_object_set_association(fw_io->parent.core_object, fw_io);
scif_sas_smp_request_construct(&fw_io->parent, smp_command);
fw_io->parent.is_high_priority = TRUE;
sci_base_state_machine_logger_initialize(
&fw_io->parent.parent.state_machine_logger,
&fw_io->parent.parent.state_machine,
&fw_io->parent.parent.parent,
scif_cb_logger_log_states,
"SCIF_IO_REQUEST_T", "base_state_machine",
SCIF_LOG_OBJECT_IO_REQUEST
);
}
return status;
}
/**
* @brief This method represents common functionality for the
* scif_io_request_construct() and scif_sas_io_request_continue()
* methods.
*
* @return This method returns an indication as to whether the
* construction succeeded.
*/
static
SCI_STATUS scif_sas_io_request_construct(
SCIF_SAS_REMOTE_DEVICE_T * fw_device,
SCIF_SAS_IO_REQUEST_T * fw_io,
U16 io_tag,
void * user_io_request_object,
SCI_IO_REQUEST_HANDLE_T * scif_io_request,
BOOL is_initial_construction
)
{
SCI_STATUS status;
SMP_DISCOVER_RESPONSE_PROTOCOLS_T dev_protocols;
scic_remote_device_get_protocols(fw_device->core_object, &dev_protocols);
//Currently, all the io requests sent to smp target are internal.
//so we fail all the external io toward to it.
//Todo: is there a better way to handle external io to smp target?
if (dev_protocols.u.bits.attached_smp_target)
return SCI_FAILURE_INVALID_REMOTE_DEVICE;
SCIF_LOG_TRACE((
sci_base_object_get_logger(fw_device),
SCIF_LOG_OBJECT_IO_REQUEST,
"scif_sas_io_request_construct(0x%x,0x%x,0x%x,0x%x,0x%x,0x%x) enter\n",
fw_device, fw_io, io_tag, user_io_request_object, scif_io_request,
is_initial_construction
));
// Initialize the users handle to the framework IO request.
*scif_io_request = fw_io;
// Construct the parent object first in order to ensure logging can
// function.
scif_sas_request_construct(
&fw_io->parent,
fw_device,
sci_base_object_get_logger(fw_device),
scif_sas_io_request_state_table
);
status = scic_io_request_construct(
fw_device->domain->controller->core_object,
fw_device->core_object,
io_tag,
fw_io,
((U8 *)fw_io) + sizeof(SCIF_SAS_IO_REQUEST_T),
&fw_io->parent.core_object
);
if (status == SCI_SUCCESS)
{
// These associations must be set early for the core io request
// object construction to complete correctly as there will be
// callbacks into the user driver framework during core construction
sci_object_set_association(fw_io, user_io_request_object);
sci_object_set_association(fw_io->parent.core_object, fw_io);
// Perform protocol specific core IO request construction.
if (dev_protocols.u.bits.attached_ssp_target)
status = scic_io_request_construct_basic_ssp(fw_io->parent.core_object);
else if (dev_protocols.u.bits.attached_stp_target)
{
if (is_initial_construction == TRUE)
sati_sequence_construct(&fw_io->parent.stp.sequence);
#if !defined(DISABLE_ATAPI)
if (!scic_remote_device_is_atapi(fw_device->core_object))
{
#endif
status = scif_sas_stp_io_request_construct(fw_io);
#if !defined(DISABLE_ATAPI)
}
else
status = scif_sas_stp_packet_io_request_construct(fw_io);
#endif
}
sci_base_state_machine_logger_initialize(
&fw_io->parent.parent.state_machine_logger,
&fw_io->parent.parent.state_machine,
&fw_io->parent.parent.parent,
scif_cb_logger_log_states,
"SCIF_IO_REQUEST_T", "base_state_machine",
SCIF_LOG_OBJECT_IO_REQUEST
);
}
return status;
}
SCI_STATUS scif_request_construct(
SCI_CONTROLLER_HANDLE_T scif_controller,
SCI_REMOTE_DEVICE_HANDLE_T scif_remote_device,
U16 io_tag,
void * user_io_request_object,
void * io_request_memory,
SCI_IO_REQUEST_HANDLE_T * scif_io_request
)
{
SCIF_SAS_IO_REQUEST_T * fw_io = (SCIF_SAS_IO_REQUEST_T*)
io_request_memory;
SCIF_SAS_REMOTE_DEVICE_T * fw_device = (SCIF_SAS_REMOTE_DEVICE_T*)
scif_remote_device;
SCI_STATUS status;
SCIF_LOG_TRACE((
sci_base_object_get_logger(fw_device),
SCIF_LOG_OBJECT_IO_REQUEST,
"scif_io_request_construct(0x%x, 0x%x, 0x%x, 0x%x, 0x%x, 0x%x) enter\n",
scif_controller, scif_remote_device, io_tag, user_io_request_object,
io_request_memory, scif_io_request
));
// Step 1: Create the scif io request.
// Initialize the users handle to the framework IO request.
*scif_io_request = fw_io;
// Construct the parent object first in order to ensure logging can
// function.
scif_sas_request_construct(
&fw_io->parent,
fw_device,
sci_base_object_get_logger(fw_device),
scif_sas_io_request_state_table
);
status = scic_io_request_construct(
(void *) ((SCIF_SAS_CONTROLLER_T *)scif_controller)->core_object,
(void *) fw_device->core_object,
io_tag,
fw_io,
(U8 *)io_request_memory + sizeof(SCIF_SAS_IO_REQUEST_T),
&fw_io->parent.core_object
);
if (status == SCI_SUCCESS)
{
// These associations must be set early for the core io request
// object construction to complete correctly as there will be
// callbacks into the user driver framework during core construction
sci_object_set_association(fw_io, user_io_request_object);
sci_object_set_association(fw_io->parent.core_object, fw_io);
sci_base_state_machine_logger_initialize(
&fw_io->parent.parent.state_machine_logger,
&fw_io->parent.parent.state_machine,
&fw_io->parent.parent.parent,
scif_cb_logger_log_states,
"SCIF_IO_REQUEST_T", "base_state_machine",
SCIF_LOG_OBJECT_IO_REQUEST
);
}
return status;
}
