f11c7f6305
The isci driver is for the integrated SAS controller in the Intel C600 (Patsburg) chipset. Source files in sys/dev/isci directory are FreeBSD-specific, and sys/dev/isci/scil subdirectory contains an OS-agnostic library (SCIL) published by Intel to control the SAS controller. This library is used primarily as-is in this driver, with some post-processing to better integrate into the kernel build environment. isci.4 and a README in the sys/dev/isci directory contain a few additional details. This driver is only built for amd64 and i386 targets. Sponsored by: Intel Reviewed by: scottl Approved by: scottl
372 lines
12 KiB
C
372 lines
12 KiB
C
/*-
|
|
* 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.
|
|
*
|
|
* 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.
|
|
*/
|
|
|
|
#include <sys/cdefs.h>
|
|
__FBSDID("$FreeBSD$");
|
|
|
|
/**
|
|
* @file
|
|
*
|
|
* @brief This file contains This file contains the SMP remote device
|
|
* object methods and it's state machines.
|
|
*/
|
|
|
|
#include <dev/isci/scil/scic_user_callback.h>
|
|
#include <dev/isci/scil/scic_sds_logger.h>
|
|
#include <dev/isci/scil/scic_sds_remote_device.h>
|
|
#include <dev/isci/scil/scic_sds_controller.h>
|
|
#include <dev/isci/scil/scic_sds_port.h>
|
|
#include <dev/isci/scil/scic_sds_request.h>
|
|
#include <dev/isci/scil/scu_event_codes.h>
|
|
#include <dev/isci/scil/scu_task_context.h>
|
|
#include <dev/isci/scil/scic_remote_device.h>
|
|
|
|
//*****************************************************************************
|
|
//* SMP REMOTE DEVICE READY IDLE SUBSTATE HANDLERS
|
|
//*****************************************************************************
|
|
|
|
/**
|
|
* This method will handle the start io operation for a SMP device that is in
|
|
* the idle state.
|
|
*
|
|
* @param [in] device The device the io is sent to.
|
|
* @param [in] request The io to start.
|
|
*
|
|
* @return SCI_STATUS
|
|
*/
|
|
static
|
|
SCI_STATUS scic_sds_smp_remote_device_ready_idle_substate_start_io_handler(
|
|
SCI_BASE_REMOTE_DEVICE_T * device,
|
|
SCI_BASE_REQUEST_T * request
|
|
)
|
|
{
|
|
SCI_STATUS status;
|
|
SCIC_SDS_REMOTE_DEVICE_T * this_device = (SCIC_SDS_REMOTE_DEVICE_T *)device;
|
|
SCIC_SDS_REQUEST_T * io_request = (SCIC_SDS_REQUEST_T *)request;
|
|
|
|
// Will the port allow the io request to start?
|
|
status = this_device->owning_port->state_handlers->start_io_handler(
|
|
this_device->owning_port,
|
|
this_device,
|
|
io_request
|
|
);
|
|
|
|
if (status == SCI_SUCCESS)
|
|
{
|
|
status =
|
|
scic_sds_remote_node_context_start_io(this_device->rnc, io_request);
|
|
|
|
if (status == SCI_SUCCESS)
|
|
{
|
|
status = scic_sds_request_start(io_request);
|
|
}
|
|
|
|
if (status == SCI_SUCCESS)
|
|
{
|
|
this_device->working_request = io_request;
|
|
|
|
sci_base_state_machine_change_state(
|
|
&this_device->ready_substate_machine,
|
|
SCIC_SDS_SMP_REMOTE_DEVICE_READY_SUBSTATE_CMD
|
|
);
|
|
}
|
|
|
|
scic_sds_remote_device_start_request(this_device, io_request, status);
|
|
}
|
|
|
|
return status;
|
|
}
|
|
|
|
|
|
//******************************************************************************
|
|
//* SMP REMOTE DEVICE READY SUBSTATE CMD HANDLERS
|
|
//******************************************************************************
|
|
/**
|
|
* This device is already handling a command it can not accept new commands
|
|
* until this one is complete.
|
|
*
|
|
* @param[in] device This is the device object that is receiving the IO.
|
|
*
|
|
* @param[in] request The io to start.
|
|
*
|
|
* @return SCI_STATUS
|
|
*/
|
|
static
|
|
SCI_STATUS scic_sds_smp_remote_device_ready_cmd_substate_start_io_handler(
|
|
SCI_BASE_REMOTE_DEVICE_T * device,
|
|
SCI_BASE_REQUEST_T * request
|
|
)
|
|
{
|
|
return SCI_FAILURE_INVALID_STATE;
|
|
}
|
|
|
|
|
|
/**
|
|
* @brief this is the complete_io_handler for smp device at ready cmd substate.
|
|
*
|
|
* @param[in] device This is the device object that is receiving the IO.
|
|
* @param[in] request The io to start.
|
|
*
|
|
* @return SCI_STATUS
|
|
*/
|
|
static
|
|
SCI_STATUS scic_sds_smp_remote_device_ready_cmd_substate_complete_io_handler(
|
|
SCI_BASE_REMOTE_DEVICE_T * device,
|
|
SCI_BASE_REQUEST_T * request
|
|
)
|
|
{
|
|
SCI_STATUS status;
|
|
SCIC_SDS_REMOTE_DEVICE_T * this_device;
|
|
SCIC_SDS_REQUEST_T * the_request;
|
|
|
|
this_device = (SCIC_SDS_REMOTE_DEVICE_T *)device;
|
|
the_request = (SCIC_SDS_REQUEST_T *)request;
|
|
|
|
status = scic_sds_io_request_complete(the_request);
|
|
|
|
if (status == SCI_SUCCESS)
|
|
{
|
|
status = scic_sds_port_complete_io(
|
|
this_device->owning_port, this_device, the_request);
|
|
|
|
if (status == SCI_SUCCESS)
|
|
{
|
|
scic_sds_remote_device_decrement_request_count(this_device);
|
|
sci_base_state_machine_change_state(
|
|
&this_device->ready_substate_machine,
|
|
SCIC_SDS_SMP_REMOTE_DEVICE_READY_SUBSTATE_IDLE
|
|
);
|
|
}
|
|
else
|
|
{
|
|
SCIC_LOG_ERROR((
|
|
sci_base_object_get_logger(this_device),
|
|
SCIC_LOG_OBJECT_SMP_REMOTE_TARGET,
|
|
"SCIC SDS Remote Device 0x%x io request 0x%x could not be completd on the port 0x%x failed with status %d.\n",
|
|
this_device, the_request, this_device->owning_port, status
|
|
));
|
|
}
|
|
}
|
|
|
|
return status;
|
|
}
|
|
|
|
/**
|
|
* @brief This is frame handler for smp device ready cmd substate.
|
|
*
|
|
* @param[in] this_device This is the device object that is receiving the frame.
|
|
* @param[in] frame_index The index for the frame received.
|
|
*
|
|
* @return SCI_STATUS
|
|
*/
|
|
static
|
|
SCI_STATUS scic_sds_smp_remote_device_ready_cmd_substate_frame_handler(
|
|
SCIC_SDS_REMOTE_DEVICE_T * this_device,
|
|
U32 frame_index
|
|
)
|
|
{
|
|
SCI_STATUS status;
|
|
|
|
/// The device does not process any UF received from the hardware while
|
|
/// in this state. All unsolicited frames are forwarded to the io request
|
|
/// object.
|
|
status = scic_sds_io_request_frame_handler(
|
|
this_device->working_request,
|
|
frame_index
|
|
);
|
|
|
|
return status;
|
|
}
|
|
|
|
// ---------------------------------------------------------------------------
|
|
|
|
SCIC_SDS_REMOTE_DEVICE_STATE_HANDLER_T
|
|
scic_sds_smp_remote_device_ready_substate_handler_table[
|
|
SCIC_SDS_SMP_REMOTE_DEVICE_READY_MAX_SUBSTATES] =
|
|
{
|
|
// SCIC_SDS_SMP_REMOTE_DEVICE_READY_SUBSTATE_IDLE
|
|
{
|
|
{
|
|
scic_sds_remote_device_default_start_handler,
|
|
scic_sds_remote_device_ready_state_stop_handler,
|
|
scic_sds_remote_device_default_fail_handler,
|
|
scic_sds_remote_device_default_destruct_handler,
|
|
scic_sds_remote_device_default_reset_handler,
|
|
scic_sds_remote_device_default_reset_complete_handler,
|
|
scic_sds_smp_remote_device_ready_idle_substate_start_io_handler,
|
|
scic_sds_remote_device_default_complete_request_handler,
|
|
scic_sds_remote_device_default_continue_request_handler,
|
|
scic_sds_remote_device_default_start_request_handler,
|
|
scic_sds_remote_device_default_complete_request_handler
|
|
},
|
|
scic_sds_remote_device_default_suspend_handler,
|
|
scic_sds_remote_device_default_resume_handler,
|
|
scic_sds_remote_device_general_event_handler,
|
|
scic_sds_remote_device_default_frame_handler
|
|
},
|
|
// SCIC_SDS_SMP_REMOTE_DEVICE_READY_SUBSTATE_CMD
|
|
{
|
|
{
|
|
scic_sds_remote_device_default_start_handler,
|
|
scic_sds_remote_device_ready_state_stop_handler,
|
|
scic_sds_remote_device_default_fail_handler,
|
|
scic_sds_remote_device_default_destruct_handler,
|
|
scic_sds_remote_device_default_reset_handler,
|
|
scic_sds_remote_device_default_reset_complete_handler,
|
|
scic_sds_smp_remote_device_ready_cmd_substate_start_io_handler,
|
|
scic_sds_smp_remote_device_ready_cmd_substate_complete_io_handler,
|
|
scic_sds_remote_device_default_continue_request_handler,
|
|
scic_sds_remote_device_default_start_request_handler,
|
|
scic_sds_remote_device_default_complete_request_handler
|
|
},
|
|
scic_sds_remote_device_default_suspend_handler,
|
|
scic_sds_remote_device_default_resume_handler,
|
|
scic_sds_remote_device_general_event_handler,
|
|
scic_sds_smp_remote_device_ready_cmd_substate_frame_handler
|
|
}
|
|
};
|
|
|
|
/**
|
|
* 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 ready.
|
|
*
|
|
* @param[in] object This is the SCI_BASE_OBJECT which is cast into a
|
|
* SCIC_SDS_REMOTE_DEVICE.
|
|
*
|
|
* @return none
|
|
*/
|
|
static
|
|
void scic_sds_smp_remote_device_ready_idle_substate_enter(
|
|
SCI_BASE_OBJECT_T *object
|
|
)
|
|
{
|
|
SCIC_SDS_REMOTE_DEVICE_T *this_device = (SCIC_SDS_REMOTE_DEVICE_T *)object;
|
|
|
|
SET_STATE_HANDLER(
|
|
this_device,
|
|
scic_sds_smp_remote_device_ready_substate_handler_table,
|
|
SCIC_SDS_SMP_REMOTE_DEVICE_READY_SUBSTATE_IDLE
|
|
);
|
|
|
|
scic_cb_remote_device_ready(
|
|
scic_sds_remote_device_get_controller(this_device), this_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 notify
|
|
* core user that the device is not ready.
|
|
*
|
|
* @param[in] object This is the SCI_BASE_OBJECT which is cast into a
|
|
* SCIC_SDS_REMOTE_DEVICE.
|
|
*
|
|
* @return none
|
|
*/
|
|
static
|
|
void scic_sds_smp_remote_device_ready_cmd_substate_enter(
|
|
SCI_BASE_OBJECT_T *object
|
|
)
|
|
{
|
|
SCIC_SDS_REMOTE_DEVICE_T *this_device = (SCIC_SDS_REMOTE_DEVICE_T *)object;
|
|
|
|
ASSERT(this_device->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
|
|
);
|
|
|
|
scic_cb_remote_device_not_ready(
|
|
scic_sds_remote_device_get_controller(this_device),
|
|
this_device,
|
|
SCIC_REMOTE_DEVICE_NOT_READY_SMP_REQUEST_STARTED
|
|
);
|
|
}
|
|
|
|
/**
|
|
* This is the SCIC_SDS_SSP_REMOTE_DEVICE_READY_SUBSTATE_CMD exit method.
|
|
*
|
|
* @param[in] object This is the SCI_BASE_OBJECT which is cast into a
|
|
* SCIC_SDS_REMOTE_DEVICE.
|
|
*
|
|
* @return none
|
|
*/
|
|
static
|
|
void scic_sds_smp_remote_device_ready_cmd_substate_exit(
|
|
SCI_BASE_OBJECT_T *object
|
|
)
|
|
{
|
|
SCIC_SDS_REMOTE_DEVICE_T * this_device = (SCIC_SDS_REMOTE_DEVICE_T *)object;
|
|
|
|
this_device->working_request = NULL;
|
|
}
|
|
|
|
// ---------------------------------------------------------------------------
|
|
|
|
SCI_BASE_STATE_T
|
|
scic_sds_smp_remote_device_ready_substate_table[
|
|
SCIC_SDS_SMP_REMOTE_DEVICE_READY_MAX_SUBSTATES] =
|
|
{
|
|
{
|
|
SCIC_SDS_SMP_REMOTE_DEVICE_READY_SUBSTATE_IDLE,
|
|
scic_sds_smp_remote_device_ready_idle_substate_enter,
|
|
NULL
|
|
},
|
|
{
|
|
SCIC_SDS_SMP_REMOTE_DEVICE_READY_SUBSTATE_CMD,
|
|
scic_sds_smp_remote_device_ready_cmd_substate_enter,
|
|
scic_sds_smp_remote_device_ready_cmd_substate_exit
|
|
}
|
|
};
|
|
|