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isci: remove base_remote_device abstraction

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Merge struct sci_base_remote_device into scic_sds_remote_device.  As for
now sci_base_remote_device was accessed indirectly using
scic_sds_remote_device->parent field.  Both machine state handlers are
also merged together.

Reported-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Maciej Trela <Maciej.Trela@intel.com>
Signed-off-by: Maciej Patelczyk <maciej.patelczyk@intel.com>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
This commit is contained in:
Maciej Trela 2011-04-12 17:28:35 -07:00 committed by Dan Williams
parent c629582d0d
commit 0ea99d52cb
6 changed files with 573 additions and 742 deletions
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274
drivers/scsi/isci/core/sci_base_remote_device.h
View file

@ -1,274 +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 _SCI_BASE_REMOTE_DEVICE_H_
#define _SCI_BASE_REMOTE_DEVICE_H_
/**
* This file contains all of the structures, constants, and methods common to
* all remote device object definitions.
*
*
*/
#include "sci_base_state_machine.h"
struct scic_sds_request;
/**
* enum sci_base_remote_device_states - This enumeration depicts all the states
* for the common remote device state machine.
*
*
*/
enum sci_base_remote_device_states {
/**
* Simply the initial state for the base remote device state machine.
*/
SCI_BASE_REMOTE_DEVICE_STATE_INITIAL,
/**
* This state indicates that the remote device has successfully been
* stopped. In this state no new IO operations are permitted.
* This state is entered from the INITIAL state.
* This state is entered from the STOPPING state.
*/
SCI_BASE_REMOTE_DEVICE_STATE_STOPPED,
/**
* This state indicates the the remote device is in the process of
* becoming ready (i.e. starting). In this state no new IO operations
* are permitted.
* This state is entered from the STOPPED state.
*/
SCI_BASE_REMOTE_DEVICE_STATE_STARTING,
/**
* This state indicates the remote device is now ready. Thus, the user
* is able to perform IO operations on the remote device.
* This state is entered from the STARTING state.
*/
SCI_BASE_REMOTE_DEVICE_STATE_READY,
/**
* This state indicates that the remote device is in the process of
* stopping. In this state no new IO operations are permitted, but
* existing IO operations are allowed to complete.
* This state is entered from the READY state.
* This state is entered from the FAILED state.
*/
SCI_BASE_REMOTE_DEVICE_STATE_STOPPING,
/**
* This state indicates that the remote device has failed.
* In this state no new IO operations are permitted.
* This state is entered from the INITIALIZING state.
* This state is entered from the READY state.
*/
SCI_BASE_REMOTE_DEVICE_STATE_FAILED,
/**
* This state indicates the device is being reset.
* In this state no new IO operations are permitted.
* This state is entered from the READY state.
*/
SCI_BASE_REMOTE_DEVICE_STATE_RESETTING,
/**
* Simply the final state for the base remote device state machine.
*/
SCI_BASE_REMOTE_DEVICE_STATE_FINAL,
};
/**
* struct sci_base_remote_device - The base remote device object abstracts the
* fields common to all SCI remote device objects.
*
*
*/
struct sci_base_remote_device {
/**
* The field specifies that the parent object for the base remote
* device is the base object itself.
*/
struct sci_base_object parent;
/**
* This field contains the information for the base remote device state
* machine.
*/
struct sci_base_state_machine state_machine;
};
typedef enum sci_status (*sci_base_remote_device_handler_t)(
struct sci_base_remote_device *
);
typedef enum sci_status (*sci_base_remote_device_request_handler_t)(
struct sci_base_remote_device *,
struct scic_sds_request *
);
typedef enum sci_status (*sci_base_remote_device_high_priority_request_complete_handler_t)(
struct sci_base_remote_device *,
struct scic_sds_request *,
void *,
enum sci_io_status
);
/**
* struct sci_base_remote_device_state_handler - This structure contains all of
* the state handler methods common to base remote device state machines.
* Handler methods provide the ability to change the behavior for user
* requests or transitions depending on the state the machine is in.
*
*
*/
struct sci_base_remote_device_state_handler {
/**
* The start_handler specifies the method invoked when a user attempts to
* start a remote device.
*/
sci_base_remote_device_handler_t start_handler;
/**
* The stop_handler specifies the method invoked when a user attempts to
* stop a remote device.
*/
sci_base_remote_device_handler_t stop_handler;
/**
* The fail_handler specifies the method invoked when a remote device
* failure has occurred. A failure may be due to an inability to
* initialize/configure the device.
*/
sci_base_remote_device_handler_t fail_handler;
/**
* The destruct_handler specifies the method invoked when attempting to
* destruct a remote device.
*/
sci_base_remote_device_handler_t destruct_handler;
/**
* The reset handler specifies the method invloked when requesting to reset a
* remote device.
*/
sci_base_remote_device_handler_t reset_handler;
/**
* The reset complete handler specifies the method invloked when reporting
* that a reset has completed to the remote device.
*/
sci_base_remote_device_handler_t reset_complete_handler;
/**
* The start_io_handler specifies the method invoked when a user
* attempts to start an IO request for a remote device.
*/
sci_base_remote_device_request_handler_t start_io_handler;
/**
* The complete_io_handler specifies the method invoked when a user
* attempts to complete an IO request for a remote device.
*/
sci_base_remote_device_request_handler_t complete_io_handler;
/**
* The continue_io_handler specifies the method invoked when a user
* attempts to continue an IO request for a remote device.
*/
sci_base_remote_device_request_handler_t continue_io_handler;
/**
* The start_task_handler specifies the method invoked when a user
* attempts to start a task management request for a remote device.
*/
sci_base_remote_device_request_handler_t start_task_handler;
/**
* The complete_task_handler specifies the method invoked when a user
* attempts to complete a task management request for a remote device.
*/
sci_base_remote_device_request_handler_t complete_task_handler;
};
/**
* sci_base_remote_device_construct() - Construct the base remote device
* @this_remote_device: This parameter specifies the base remote device to be
* constructed.
* @state_table: This parameter specifies the table of state definitions to be
* utilized for the remote device state machine.
*
*/
static inline void sci_base_remote_device_construct(
struct sci_base_remote_device *base_dev,
const struct sci_base_state *state_table)
{
base_dev->parent.private = NULL;
sci_base_state_machine_construct(
&base_dev->state_machine,
&base_dev->parent,
state_table,
SCI_BASE_REMOTE_DEVICE_STATE_INITIAL
);
sci_base_state_machine_start(
&base_dev->state_machine
);
}
#endif /* _SCI_BASE_REMOTE_DEVICE_H_ */

8
drivers/scsi/isci/core/scic_sds_controller.c
View file

@ -1500,13 +1500,13 @@ void scic_sds_controller_link_down(struct scic_sds_controller *scic,
*
*/
static bool scic_sds_controller_has_remote_devices_stopping(
struct scic_sds_controller *this_controller)
struct scic_sds_controller *controller)
{
u32 index;
for (index = 0; index < this_controller->remote_node_entries; index++) {
if ((this_controller->device_table[index] != NULL) &&
(this_controller->device_table[index]->parent.state_machine.current_state_id
for (index = 0; index < controller->remote_node_entries; index++) {
if ((controller->device_table[index] != NULL) &&
(controller->device_table[index]->state_machine.current_state_id
== SCI_BASE_REMOTE_DEVICE_STATE_STOPPING))
return true;
}

510
drivers/scsi/isci/core/scic_sds_remote_device.c
View file

@ -123,7 +123,7 @@ enum sci_status scic_remote_device_da_construct(
sci_base_state_machine_construct(
&sci_dev->ready_substate_machine,
&sci_dev->parent.parent,
&sci_dev->parent,
scic_sds_stp_remote_device_ready_substate_table,
SCIC_SDS_STP_REMOTE_DEVICE_READY_SUBSTATE_IDLE);
} else if (sci_dev->target_protocols.u.bits.attached_smp_target) {
@ -132,7 +132,7 @@ enum sci_status scic_remote_device_da_construct(
/* add the SMP ready substate machine construction here */
sci_base_state_machine_construct(
&sci_dev->ready_substate_machine,
&sci_dev->parent.parent,
&sci_dev->parent,
scic_sds_smp_remote_device_ready_substate_table,
SCIC_SDS_SMP_REMOTE_DEVICE_READY_SUBSTATE_IDLE);
}
@ -187,7 +187,7 @@ enum sci_status scic_remote_device_ea_construct(
/* add the SMP ready substate machine construction here */
sci_base_state_machine_construct(
&sci_dev->ready_substate_machine,
&sci_dev->parent.parent,
&sci_dev->parent,
scic_sds_smp_remote_device_ready_substate_table,
SCIC_SDS_SMP_REMOTE_DEVICE_READY_SUBSTATE_IDLE);
} else if (sci_dev->target_protocols.u.bits.attached_stp_target) {
@ -195,7 +195,7 @@ enum sci_status scic_remote_device_ea_construct(
sci_base_state_machine_construct(
&sci_dev->ready_substate_machine,
&sci_dev->parent.parent,
&sci_dev->parent,
scic_sds_stp_remote_device_ready_substate_table,
SCIC_SDS_STP_REMOTE_DEVICE_READY_SUBSTATE_IDLE);
}
@ -222,7 +222,7 @@ enum sci_status scic_remote_device_ea_construct(
enum sci_status scic_remote_device_destruct(
struct scic_sds_remote_device *sci_dev)
{
return sci_dev->state_handlers->parent.destruct_handler(&sci_dev->parent);
return sci_dev->state_handlers->destruct_handler(sci_dev);
}
@ -230,7 +230,7 @@ enum sci_status scic_remote_device_start(
struct scic_sds_remote_device *sci_dev,
u32 timeout)
{
return sci_dev->state_handlers->parent.start_handler(&sci_dev->parent);
return sci_dev->state_handlers->start_handler(sci_dev);
}
@ -238,21 +238,21 @@ enum sci_status scic_remote_device_stop(
struct scic_sds_remote_device *sci_dev,
u32 timeout)
{
return sci_dev->state_handlers->parent.stop_handler(&sci_dev->parent);
return sci_dev->state_handlers->stop_handler(sci_dev);
}
enum sci_status scic_remote_device_reset(
struct scic_sds_remote_device *sci_dev)
{
return sci_dev->state_handlers->parent.reset_handler(&sci_dev->parent);
return sci_dev->state_handlers->reset_handler(sci_dev);
}
enum sci_status scic_remote_device_reset_complete(
struct scic_sds_remote_device *sci_dev)
{
return sci_dev->state_handlers->parent.reset_complete_handler(&sci_dev->parent);
return sci_dev->state_handlers->reset_complete_handler(sci_dev);
}
@ -362,8 +362,8 @@ enum sci_status scic_sds_remote_device_start_io(
struct scic_sds_remote_device *this_device,
struct scic_sds_request *io_request)
{
return this_device->state_handlers->parent.start_io_handler(
&this_device->parent, io_request);
return this_device->state_handlers->start_io_handler(
this_device, io_request);
}
/**
@ -380,8 +380,8 @@ enum sci_status scic_sds_remote_device_complete_io(
struct scic_sds_remote_device *this_device,
struct scic_sds_request *io_request)
{
return this_device->state_handlers->parent.complete_io_handler(
&this_device->parent, io_request);
return this_device->state_handlers->complete_io_handler(
this_device, io_request);
}
/**
@ -398,8 +398,8 @@ enum sci_status scic_sds_remote_device_start_task(
struct scic_sds_remote_device *this_device,
struct scic_sds_request *io_request)
{
return this_device->state_handlers->parent.start_task_handler(
&this_device->parent, io_request);
return this_device->state_handlers->start_task_handler(
this_device, io_request);
}
/**
@ -491,7 +491,7 @@ static void scic_sds_cb_remote_device_rnc_destruct_complete(
BUG_ON(sci_dev->started_request_count != 0);
sci_base_state_machine_change_state(&sci_dev->parent.state_machine,
sci_base_state_machine_change_state(&sci_dev->state_machine,
SCI_BASE_REMOTE_DEVICE_STATE_STOPPED);
}
@ -511,11 +511,11 @@ static void scic_sds_remote_device_resume_complete_handler(
this_device = (struct scic_sds_remote_device *)user_parameter;
if (
sci_base_state_machine_get_state(&this_device->parent.state_machine)
sci_base_state_machine_get_state(&this_device->state_machine)
!= SCI_BASE_REMOTE_DEVICE_STATE_READY
) {
sci_base_state_machine_change_state(
&this_device->parent.state_machine,
&this_device->state_machine,
SCI_BASE_REMOTE_DEVICE_STATE_READY
);
}
@ -614,69 +614,67 @@ static enum sci_status scic_sds_remote_device_terminate_requests(
return status;
}
static enum sci_status default_device_handler(struct sci_base_remote_device *base_dev,
const char *func)
static enum sci_status
default_device_handler(struct scic_sds_remote_device *sci_dev,
const char *func)
{
struct scic_sds_remote_device *sci_dev;
sci_dev = container_of(base_dev, typeof(*sci_dev), parent);
dev_warn(scirdev_to_dev(sci_dev),
"%s: in wrong state: %d\n", func,
sci_base_state_machine_get_state(&base_dev->state_machine));
sci_base_state_machine_get_state(&sci_dev->state_machine));
return SCI_FAILURE_INVALID_STATE;
}
enum sci_status scic_sds_remote_device_default_start_handler(
struct sci_base_remote_device *base_dev)
struct scic_sds_remote_device *sci_dev)
{
return default_device_handler(base_dev, __func__);
return default_device_handler(sci_dev, __func__);
}
static enum sci_status scic_sds_remote_device_default_stop_handler(
struct sci_base_remote_device *base_dev)
struct scic_sds_remote_device *sci_dev)
{
return default_device_handler(base_dev, __func__);
return default_device_handler(sci_dev, __func__);
}
enum sci_status scic_sds_remote_device_default_fail_handler(
struct sci_base_remote_device *base_dev)
struct scic_sds_remote_device *sci_dev)
{
return default_device_handler(base_dev, __func__);
return default_device_handler(sci_dev, __func__);
}
enum sci_status scic_sds_remote_device_default_destruct_handler(
struct sci_base_remote_device *base_dev)
struct scic_sds_remote_device *sci_dev)
{
return default_device_handler(base_dev, __func__);
return default_device_handler(sci_dev, __func__);
}
enum sci_status scic_sds_remote_device_default_reset_handler(
struct sci_base_remote_device *base_dev)
struct scic_sds_remote_device *sci_dev)
{
return default_device_handler(base_dev, __func__);
return default_device_handler(sci_dev, __func__);
}
enum sci_status scic_sds_remote_device_default_reset_complete_handler(
struct sci_base_remote_device *base_dev)
struct scic_sds_remote_device *sci_dev)
{
return default_device_handler(base_dev, __func__);
return default_device_handler(sci_dev, __func__);
}
enum sci_status scic_sds_remote_device_default_suspend_handler(
struct scic_sds_remote_device *sci_dev, u32 suspend_type)
{
return default_device_handler(&sci_dev->parent, __func__);
return default_device_handler(sci_dev, __func__);
}
enum sci_status scic_sds_remote_device_default_resume_handler(
struct scic_sds_remote_device *sci_dev)
{
return default_device_handler(&sci_dev->parent, __func__);
return default_device_handler(sci_dev, __func__);
}
/**
*
* @device: The struct sci_base_remote_device which is then cast into a
* @device: The struct scic_sds_remote_device which is then cast into a
* struct scic_sds_remote_device.
* @event_code: The event code that the struct scic_sds_controller wants the device
* object to process.
@ -734,7 +732,7 @@ static enum sci_status scic_sds_remote_device_core_event_handler(
}
/**
*
* @device: The struct sci_base_remote_device which is then cast into a
* @device: The struct scic_sds_remote_device which is then cast into a
* struct scic_sds_remote_device.
* @event_code: The event code that the struct scic_sds_controller wants the device
* object to process.
@ -754,7 +752,7 @@ static enum sci_status scic_sds_remote_device_default_event_handler(
/**
*
* @device: The struct sci_base_remote_device which is then cast into a
* @device: The struct scic_sds_remote_device which is then cast into a
* struct scic_sds_remote_device.
* @frame_index: The frame index for which the struct scic_sds_controller wants this
* device object to process.
@ -773,7 +771,7 @@ enum sci_status scic_sds_remote_device_default_frame_handler(
__func__,
frame_index,
sci_base_state_machine_get_state(
&this_device->parent.state_machine));
&this_device->state_machine));
/* Return the frame back to the controller */
scic_sds_controller_release_frame(
@ -784,29 +782,29 @@ enum sci_status scic_sds_remote_device_default_frame_handler(
}
enum sci_status scic_sds_remote_device_default_start_request_handler(
struct sci_base_remote_device *base_dev,
struct scic_sds_remote_device *sci_dev,
struct scic_sds_request *request)
{
return default_device_handler(base_dev, __func__);
return default_device_handler(sci_dev, __func__);
}
enum sci_status scic_sds_remote_device_default_complete_request_handler(
struct sci_base_remote_device *base_dev,
struct scic_sds_remote_device *sci_dev,
struct scic_sds_request *request)
{
return default_device_handler(base_dev, __func__);
return default_device_handler(sci_dev, __func__);
}
enum sci_status scic_sds_remote_device_default_continue_request_handler(
struct sci_base_remote_device *base_dev,
struct scic_sds_remote_device *sci_dev,
struct scic_sds_request *request)
{
return default_device_handler(base_dev, __func__);
return default_device_handler(sci_dev, __func__);
}
/**
*
* @device: The struct sci_base_remote_device which is then cast into a
* @device: The struct scic_sds_remote_device which is then cast into a
* struct scic_sds_remote_device.
* @frame_index: The frame index for which the struct scic_sds_controller wants this
* device object to process.
@ -887,32 +885,29 @@ enum sci_status scic_sds_remote_device_general_event_handler(
* which to construct the remote device.
*/
static enum sci_status scic_sds_remote_device_stopped_state_start_handler(
struct sci_base_remote_device *base_dev)
struct scic_sds_remote_device *sci_dev)
{
enum sci_status status;
struct scic_sds_remote_device *sci_dev;
sci_dev = container_of(base_dev, typeof(*sci_dev), parent);
status = scic_sds_remote_node_context_resume(sci_dev->rnc,
scic_sds_remote_device_resume_complete_handler, sci_dev);
if (status == SCI_SUCCESS)
sci_base_state_machine_change_state(&base_dev->state_machine,
sci_base_state_machine_change_state(&sci_dev->state_machine,
SCI_BASE_REMOTE_DEVICE_STATE_STARTING);
return status;
}
static enum sci_status scic_sds_remote_device_stopped_state_stop_handler(
struct sci_base_remote_device *base_dev)
struct scic_sds_remote_device *sci_dev)
{
return SCI_SUCCESS;
}
/**
*
* @sci_dev: The struct sci_base_remote_device which is cast into a
* @sci_dev: The struct scic_sds_remote_device which is cast into a
* struct scic_sds_remote_device.
*
* This method will destruct a struct scic_sds_remote_device that is in a stopped
@ -922,18 +917,16 @@ static enum sci_status scic_sds_remote_device_stopped_state_stop_handler(
* enum sci_status SCI_SUCCESS
*/
static enum sci_status scic_sds_remote_device_stopped_state_destruct_handler(
struct sci_base_remote_device *base_dev)
struct scic_sds_remote_device *sci_dev)
{
struct scic_sds_remote_device *sci_dev;
struct scic_sds_controller *scic;
sci_dev = container_of(base_dev, typeof(*sci_dev), parent);
scic = scic_sds_remote_device_get_controller(sci_dev);
scic_sds_controller_free_remote_node_context(scic, sci_dev,
sci_dev->rnc->remote_node_index);
sci_dev->rnc->remote_node_index = SCIC_SDS_REMOTE_NODE_CONTEXT_INVALID_INDEX;
sci_base_state_machine_change_state(&base_dev->state_machine,
sci_base_state_machine_change_state(&sci_dev->state_machine,
SCI_BASE_REMOTE_DEVICE_STATE_FINAL);
return SCI_SUCCESS;
@ -945,11 +938,8 @@ static enum sci_status scic_sds_remote_device_stopped_state_destruct_handler(
* ***************************************************************************** */
static enum sci_status scic_sds_remote_device_starting_state_stop_handler(
struct sci_base_remote_device *base_dev)
struct scic_sds_remote_device *sci_dev)
{
struct scic_sds_remote_device *sci_dev;
sci_dev = container_of(base_dev, typeof(*sci_dev), parent);
/*
* This device has not yet started so there had better be no IO requests
*/
@ -965,21 +955,19 @@ static enum sci_status scic_sds_remote_device_starting_state_stop_handler(
* Transition to the stopping state and wait for the remote node to
* complete being posted and invalidated.
*/
sci_base_state_machine_change_state(&base_dev->state_machine,
sci_base_state_machine_change_state(&sci_dev->state_machine,
SCI_BASE_REMOTE_DEVICE_STATE_STOPPING);
return SCI_SUCCESS;
}
enum sci_status scic_sds_remote_device_ready_state_stop_handler(
struct sci_base_remote_device *base_dev)
struct scic_sds_remote_device *sci_dev)
{
struct scic_sds_remote_device *sci_dev;
enum sci_status status = SCI_SUCCESS;
sci_dev = container_of(base_dev, typeof(*sci_dev), parent);
/* Request the parent state machine to transition to the stopping state */
sci_base_state_machine_change_state(&base_dev->state_machine,
sci_base_state_machine_change_state(&sci_dev->state_machine,
SCI_BASE_REMOTE_DEVICE_STATE_STOPPING);
if (sci_dev->started_request_count == 0) {
@ -994,19 +982,16 @@ enum sci_status scic_sds_remote_device_ready_state_stop_handler(
/**
*
* @device: The struct sci_base_remote_device object which is cast to a
* @device: The struct scic_sds_remote_device object which is cast to a
* struct scic_sds_remote_device object.
*
* This is the ready state device reset handler enum sci_status
*/
enum sci_status scic_sds_remote_device_ready_state_reset_handler(
struct sci_base_remote_device *base_dev)
struct scic_sds_remote_device *sci_dev)
{
struct scic_sds_remote_device *sci_dev;
sci_dev = container_of(base_dev, typeof(*sci_dev), parent);
/* Request the parent state machine to transition to the stopping state */
sci_base_state_machine_change_state(&base_dev->state_machine,
sci_base_state_machine_change_state(&sci_dev->state_machine,
SCI_BASE_REMOTE_DEVICE_STATE_RESETTING);
return SCI_SUCCESS;
@ -1021,23 +1006,22 @@ enum sci_status scic_sds_remote_device_ready_state_reset_handler(
* object could not get the resources to start.
*/
static enum sci_status scic_sds_remote_device_ready_state_start_task_handler(
struct sci_base_remote_device *device,
struct scic_sds_remote_device *sci_dev,
struct scic_sds_request *request)
{
enum sci_status result;
struct scic_sds_remote_device *this_device = (struct scic_sds_remote_device *)device;
/* See if the port is in a state where we can start the IO request */
result = scic_sds_port_start_io(
scic_sds_remote_device_get_port(this_device), this_device, request);
scic_sds_remote_device_get_port(sci_dev), sci_dev, request);
if (result == SCI_SUCCESS) {
result = scic_sds_remote_node_context_start_task(
this_device->rnc, request);
sci_dev->rnc, request);
if (result == SCI_SUCCESS)
result = scic_sds_request_start(request);
scic_sds_remote_device_start_request(this_device, request, result);
scic_sds_remote_device_start_request(sci_dev, request, result);
}
return result;
@ -1052,23 +1036,22 @@ static enum sci_status scic_sds_remote_device_ready_state_start_task_handler(
* object could not get the resources to start.
*/
static enum sci_status scic_sds_remote_device_ready_state_start_io_handler(
struct sci_base_remote_device *device,
struct scic_sds_remote_device *sci_dev,
struct scic_sds_request *request)
{
enum sci_status result;
struct scic_sds_remote_device *this_device = (struct scic_sds_remote_device *)device;
/* See if the port is in a state where we can start the IO request */
result = scic_sds_port_start_io(
scic_sds_remote_device_get_port(this_device), this_device, request);
scic_sds_remote_device_get_port(sci_dev), sci_dev, request);
if (result == SCI_SUCCESS) {
result = scic_sds_remote_node_context_start_io(
this_device->rnc, request);
sci_dev->rnc, request);
if (result == SCI_SUCCESS)
result = scic_sds_request_start(request);
scic_sds_remote_device_start_request(this_device, request, result);
scic_sds_remote_device_start_request(sci_dev, request, result);
}
return result;
@ -1081,23 +1064,24 @@ static enum sci_status scic_sds_remote_device_ready_state_start_io_handler(
* its own started_request_count. enum sci_status
*/
static enum sci_status scic_sds_remote_device_ready_state_complete_request_handler(
struct sci_base_remote_device *device,
struct scic_sds_remote_device *sci_dev,
struct scic_sds_request *request)
{
enum sci_status result;
struct scic_sds_remote_device *this_device = (struct scic_sds_remote_device *)device;
result = scic_sds_request_complete(request);
if (result == SCI_SUCCESS) {
/* See if the port is in a state where we can start the IO request */
result = scic_sds_port_complete_io(
scic_sds_remote_device_get_port(this_device), this_device, request);
if (result != SCI_SUCCESS)
return result;
if (result == SCI_SUCCESS) {
scic_sds_remote_device_decrement_request_count(this_device);
}
}
/* See if the port is in a state
* where we can start the IO request */
result = scic_sds_port_complete_io(
scic_sds_remote_device_get_port(sci_dev),
sci_dev, request);
if (result == SCI_SUCCESS)
scic_sds_remote_device_decrement_request_count(sci_dev);
return result;
}
@ -1109,7 +1093,7 @@ static enum sci_status scic_sds_remote_device_ready_state_complete_request_handl
/**
*
* @this_device: The struct sci_base_remote_device which is cast into a
* @this_device: The struct scic_sds_remote_device which is cast into a
* struct scic_sds_remote_device.
*
* This method will stop a struct scic_sds_remote_device that is already in the
@ -1118,14 +1102,13 @@ static enum sci_status scic_sds_remote_device_ready_state_complete_request_handl
* stopped. enum sci_status SCI_SUCCESS
*/
static enum sci_status scic_sds_remote_device_stopping_state_stop_handler(
struct sci_base_remote_device *device)
struct scic_sds_remote_device *device)
{
/*
* All requests should have been terminated, but if there is an
* attempt to stop a device already in the stopping state, then
* try again to terminate. */
return scic_sds_remote_device_terminate_requests(
(struct scic_sds_remote_device *)device);
return scic_sds_remote_device_terminate_requests(device);
}
@ -1143,54 +1126,44 @@ static enum sci_status scic_sds_remote_device_stopping_state_stop_handler(
* transition to the SCI_BASE_REMOTE_DEVICE_STATE_STOPPED. enum sci_status
*/
static enum sci_status scic_sds_remote_device_stopping_state_complete_request_handler(
struct sci_base_remote_device *device,
struct scic_sds_remote_device *sci_dev,
struct scic_sds_request *request)
{
enum sci_status status = SCI_SUCCESS;
struct scic_sds_remote_device *this_device = (struct scic_sds_remote_device *)device;
status = scic_sds_request_complete(request);
if (status == SCI_SUCCESS) {
status = scic_sds_port_complete_io(
scic_sds_remote_device_get_port(this_device),
this_device, request);
if (status == SCI_SUCCESS) {
scic_sds_remote_device_decrement_request_count(this_device);
if (status != SCI_SUCCESS)
return status;
if (scic_sds_remote_device_get_request_count(this_device) == 0) {
scic_sds_remote_node_context_destruct(
this_device->rnc,
scic_sds_cb_remote_device_rnc_destruct_complete,
this_device
);
}
}
}
status = scic_sds_port_complete_io(scic_sds_remote_device_get_port(sci_dev),
sci_dev, request);
if (status != SCI_SUCCESS)
return status;
return status;
scic_sds_remote_device_decrement_request_count(sci_dev);
if (scic_sds_remote_device_get_request_count(sci_dev) == 0)
scic_sds_remote_node_context_destruct(sci_dev->rnc,
scic_sds_cb_remote_device_rnc_destruct_complete,
sci_dev);
return SCI_SUCCESS;
}
/*
* *****************************************************************************
* * RESETTING STATE HANDLERS
* ***************************************************************************** */
/**
*
* @device: The struct sci_base_remote_device which is to be cast into a
* @device: The struct scic_sds_remote_device which is to be cast into a
* struct scic_sds_remote_device object.
*
* This method will complete the reset operation when the device is in the
* resetting state. enum sci_status
*/
static enum sci_status scic_sds_remote_device_resetting_state_reset_complete_handler(
struct sci_base_remote_device *device)
struct scic_sds_remote_device *sci_dev)
{
struct scic_sds_remote_device *this_device = (struct scic_sds_remote_device *)device;
sci_base_state_machine_change_state(
&this_device->parent.state_machine,
&sci_dev->state_machine,
SCI_BASE_REMOTE_DEVICE_STATE_READY
);
@ -1199,19 +1172,17 @@ static enum sci_status scic_sds_remote_device_resetting_state_reset_complete_han
/**
*
* @device: The struct sci_base_remote_device which is to be cast into a
* @device: The struct scic_sds_remote_device which is to be cast into a
* struct scic_sds_remote_device object.
*
* This method will stop the remote device while in the resetting state.
* enum sci_status
*/
static enum sci_status scic_sds_remote_device_resetting_state_stop_handler(
struct sci_base_remote_device *device)
struct scic_sds_remote_device *sci_dev)
{
struct scic_sds_remote_device *this_device = (struct scic_sds_remote_device *)device;
sci_base_state_machine_change_state(
&this_device->parent.state_machine,
&sci_dev->state_machine,
SCI_BASE_REMOTE_DEVICE_STATE_STOPPING
);
@ -1226,20 +1197,20 @@ static enum sci_status scic_sds_remote_device_resetting_state_stop_handler(
* completes the task request. enum sci_status
*/
static enum sci_status scic_sds_remote_device_resetting_state_complete_request_handler(
struct sci_base_remote_device *device,
struct scic_sds_remote_device *sci_dev,
struct scic_sds_request *request)
{
enum sci_status status = SCI_SUCCESS;
struct scic_sds_remote_device *this_device = (struct scic_sds_remote_device *)device;
status = scic_sds_request_complete(request);
if (status == SCI_SUCCESS) {
status = scic_sds_port_complete_io(
scic_sds_remote_device_get_port(this_device), this_device, request);
scic_sds_remote_device_get_port(sci_dev),
sci_dev, request);
if (status == SCI_SUCCESS) {
scic_sds_remote_device_decrement_request_count(this_device);
scic_sds_remote_device_decrement_request_count(sci_dev);
}
}
@ -1253,7 +1224,7 @@ static enum sci_status scic_sds_remote_device_resetting_state_complete_request_h
/**
*
* @device: The struct sci_base_remote_device which is to be cast into a
* @device: The struct scic_sds_remote_device which is to be cast into a
* struct scic_sds_remote_device object.
*
* This method handles the remove request for a failed struct scic_sds_remote_device
@ -1265,140 +1236,140 @@ static enum sci_status scic_sds_remote_device_resetting_state_complete_request_h
static const struct scic_sds_remote_device_state_handler scic_sds_remote_device_state_handler_table[] = {
[SCI_BASE_REMOTE_DEVICE_STATE_INITIAL] = {
.parent.start_handler = scic_sds_remote_device_default_start_handler,
.parent.stop_handler = scic_sds_remote_device_default_stop_handler,
.parent.fail_handler = scic_sds_remote_device_default_fail_handler,
.parent.destruct_handler = scic_sds_remote_device_default_destruct_handler,
.parent.reset_handler = scic_sds_remote_device_default_reset_handler,
.parent.reset_complete_handler = scic_sds_remote_device_default_reset_complete_handler,
.parent.start_io_handler = scic_sds_remote_device_default_start_request_handler,
.parent.complete_io_handler = scic_sds_remote_device_default_complete_request_handler,
.parent.continue_io_handler = scic_sds_remote_device_default_continue_request_handler,
.parent.start_task_handler = scic_sds_remote_device_default_start_request_handler,
.parent.complete_task_handler = scic_sds_remote_device_default_complete_request_handler,
.suspend_handler = scic_sds_remote_device_default_suspend_handler,
.resume_handler = scic_sds_remote_device_default_resume_handler,
.event_handler = scic_sds_remote_device_default_event_handler,
.frame_handler = scic_sds_remote_device_default_frame_handler
.start_handler = scic_sds_remote_device_default_start_handler,
.stop_handler = scic_sds_remote_device_default_stop_handler,
.fail_handler = scic_sds_remote_device_default_fail_handler,
.destruct_handler = scic_sds_remote_device_default_destruct_handler,
.reset_handler = scic_sds_remote_device_default_reset_handler,
.reset_complete_handler = scic_sds_remote_device_default_reset_complete_handler,
.start_io_handler = scic_sds_remote_device_default_start_request_handler,
.complete_io_handler = scic_sds_remote_device_default_complete_request_handler,
.continue_io_handler = scic_sds_remote_device_default_continue_request_handler,
.start_task_handler = scic_sds_remote_device_default_start_request_handler,
.complete_task_handler = scic_sds_remote_device_default_complete_request_handler,
.suspend_handler = scic_sds_remote_device_default_suspend_handler,
.resume_handler = scic_sds_remote_device_default_resume_handler,
.event_handler = scic_sds_remote_device_default_event_handler,
.frame_handler = scic_sds_remote_device_default_frame_handler
},
[SCI_BASE_REMOTE_DEVICE_STATE_STOPPED] = {
.parent.start_handler = scic_sds_remote_device_stopped_state_start_handler,
.parent.stop_handler = scic_sds_remote_device_stopped_state_stop_handler,
.parent.fail_handler = scic_sds_remote_device_default_fail_handler,
.parent.destruct_handler = scic_sds_remote_device_stopped_state_destruct_handler,
.parent.reset_handler = scic_sds_remote_device_default_reset_handler,
.parent.reset_complete_handler = scic_sds_remote_device_default_reset_complete_handler,
.parent.start_io_handler = scic_sds_remote_device_default_start_request_handler,
.parent.complete_io_handler = scic_sds_remote_device_default_complete_request_handler,
.parent.continue_io_handler = scic_sds_remote_device_default_continue_request_handler,
.parent.start_task_handler = scic_sds_remote_device_default_start_request_handler,
.parent.complete_task_handler = scic_sds_remote_device_default_complete_request_handler,
.suspend_handler = scic_sds_remote_device_default_suspend_handler,
.resume_handler = scic_sds_remote_device_default_resume_handler,
.event_handler = scic_sds_remote_device_default_event_handler,
.frame_handler = scic_sds_remote_device_default_frame_handler
.start_handler = scic_sds_remote_device_stopped_state_start_handler,
.stop_handler = scic_sds_remote_device_stopped_state_stop_handler,
.fail_handler = scic_sds_remote_device_default_fail_handler,
.destruct_handler = scic_sds_remote_device_stopped_state_destruct_handler,
.reset_handler = scic_sds_remote_device_default_reset_handler,
.reset_complete_handler = scic_sds_remote_device_default_reset_complete_handler,
.start_io_handler = scic_sds_remote_device_default_start_request_handler,
.complete_io_handler = scic_sds_remote_device_default_complete_request_handler,
.continue_io_handler = scic_sds_remote_device_default_continue_request_handler,
.start_task_handler = scic_sds_remote_device_default_start_request_handler,
.complete_task_handler = scic_sds_remote_device_default_complete_request_handler,
.suspend_handler = scic_sds_remote_device_default_suspend_handler,
.resume_handler = scic_sds_remote_device_default_resume_handler,
.event_handler = scic_sds_remote_device_default_event_handler,
.frame_handler = scic_sds_remote_device_default_frame_handler
},
[SCI_BASE_REMOTE_DEVICE_STATE_STARTING] = {
.parent.start_handler = scic_sds_remote_device_default_start_handler,
.parent.stop_handler = scic_sds_remote_device_starting_state_stop_handler,
.parent.fail_handler = scic_sds_remote_device_default_fail_handler,
.parent.destruct_handler = scic_sds_remote_device_default_destruct_handler,
.parent.reset_handler = scic_sds_remote_device_default_reset_handler,
.parent.reset_complete_handler = scic_sds_remote_device_default_reset_complete_handler,
.parent.start_io_handler = scic_sds_remote_device_default_start_request_handler,
.parent.complete_io_handler = scic_sds_remote_device_default_complete_request_handler,
.parent.continue_io_handler = scic_sds_remote_device_default_continue_request_handler,
.parent.start_task_handler = scic_sds_remote_device_default_start_request_handler,
.parent.complete_task_handler = scic_sds_remote_device_default_complete_request_handler,
.suspend_handler = scic_sds_remote_device_default_suspend_handler,
.resume_handler = scic_sds_remote_device_default_resume_handler,
.event_handler = scic_sds_remote_device_general_event_handler,
.frame_handler = scic_sds_remote_device_default_frame_handler
.start_handler = scic_sds_remote_device_default_start_handler,
.stop_handler = scic_sds_remote_device_starting_state_stop_handler,
.fail_handler = scic_sds_remote_device_default_fail_handler,
.destruct_handler = scic_sds_remote_device_default_destruct_handler,
.reset_handler = scic_sds_remote_device_default_reset_handler,
.reset_complete_handler = scic_sds_remote_device_default_reset_complete_handler,
.start_io_handler = scic_sds_remote_device_default_start_request_handler,
.complete_io_handler = scic_sds_remote_device_default_complete_request_handler,
.continue_io_handler = scic_sds_remote_device_default_continue_request_handler,
.start_task_handler = scic_sds_remote_device_default_start_request_handler,
.complete_task_handler = scic_sds_remote_device_default_complete_request_handler,
.suspend_handler = scic_sds_remote_device_default_suspend_handler,
.resume_handler = scic_sds_remote_device_default_resume_handler,
.event_handler = scic_sds_remote_device_general_event_handler,
.frame_handler = scic_sds_remote_device_default_frame_handler
},
[SCI_BASE_REMOTE_DEVICE_STATE_READY] = {
.parent.start_handler = scic_sds_remote_device_default_start_handler,
.parent.stop_handler = scic_sds_remote_device_ready_state_stop_handler,
.parent.fail_handler = scic_sds_remote_device_default_fail_handler,
.parent.destruct_handler = scic_sds_remote_device_default_destruct_handler,
.parent.reset_handler = scic_sds_remote_device_ready_state_reset_handler,
.parent.reset_complete_handler = scic_sds_remote_device_default_reset_complete_handler,
.parent.start_io_handler = scic_sds_remote_device_ready_state_start_io_handler,
.parent.complete_io_handler = scic_sds_remote_device_ready_state_complete_request_handler,
.parent.continue_io_handler = scic_sds_remote_device_default_continue_request_handler,
.parent.start_task_handler = scic_sds_remote_device_ready_state_start_task_handler,
.parent.complete_task_handler = scic_sds_remote_device_ready_state_complete_request_handler,
.suspend_handler = scic_sds_remote_device_default_suspend_handler,
.resume_handler = scic_sds_remote_device_default_resume_handler,
.event_handler = scic_sds_remote_device_general_event_handler,
.frame_handler = scic_sds_remote_device_general_frame_handler,
.start_handler = scic_sds_remote_device_default_start_handler,
.stop_handler = scic_sds_remote_device_ready_state_stop_handler,
.fail_handler = scic_sds_remote_device_default_fail_handler,
.destruct_handler = scic_sds_remote_device_default_destruct_handler,
.reset_handler = scic_sds_remote_device_ready_state_reset_handler,
.reset_complete_handler = scic_sds_remote_device_default_reset_complete_handler,
.start_io_handler = scic_sds_remote_device_ready_state_start_io_handler,
.complete_io_handler = scic_sds_remote_device_ready_state_complete_request_handler,
.continue_io_handler = scic_sds_remote_device_default_continue_request_handler,
.start_task_handler = scic_sds_remote_device_ready_state_start_task_handler,
.complete_task_handler = scic_sds_remote_device_ready_state_complete_request_handler,
.suspend_handler = scic_sds_remote_device_default_suspend_handler,
.resume_handler = scic_sds_remote_device_default_resume_handler,
.event_handler = scic_sds_remote_device_general_event_handler,
.frame_handler = scic_sds_remote_device_general_frame_handler,
},
[SCI_BASE_REMOTE_DEVICE_STATE_STOPPING] = {
.parent.start_handler = scic_sds_remote_device_default_start_handler,
.parent.stop_handler = scic_sds_remote_device_stopping_state_stop_handler,
.parent.fail_handler = scic_sds_remote_device_default_fail_handler,
.parent.destruct_handler = scic_sds_remote_device_default_destruct_handler,
.parent.reset_handler = scic_sds_remote_device_default_reset_handler,
.parent.reset_complete_handler = scic_sds_remote_device_default_reset_complete_handler,
.parent.start_io_handler = scic_sds_remote_device_default_start_request_handler,
.parent.complete_io_handler = scic_sds_remote_device_stopping_state_complete_request_handler,
.parent.continue_io_handler = scic_sds_remote_device_default_continue_request_handler,
.parent.start_task_handler = scic_sds_remote_device_default_start_request_handler,
.parent.complete_task_handler = scic_sds_remote_device_stopping_state_complete_request_handler,
.suspend_handler = scic_sds_remote_device_default_suspend_handler,
.resume_handler = scic_sds_remote_device_default_resume_handler,
.event_handler = scic_sds_remote_device_general_event_handler,
.frame_handler = scic_sds_remote_device_general_frame_handler
.start_handler = scic_sds_remote_device_default_start_handler,
.stop_handler = scic_sds_remote_device_stopping_state_stop_handler,
.fail_handler = scic_sds_remote_device_default_fail_handler,
.destruct_handler = scic_sds_remote_device_default_destruct_handler,
.reset_handler = scic_sds_remote_device_default_reset_handler,
.reset_complete_handler = scic_sds_remote_device_default_reset_complete_handler,
.start_io_handler = scic_sds_remote_device_default_start_request_handler,
.complete_io_handler = scic_sds_remote_device_stopping_state_complete_request_handler,
.continue_io_handler = scic_sds_remote_device_default_continue_request_handler,
.start_task_handler = scic_sds_remote_device_default_start_request_handler,
.complete_task_handler = scic_sds_remote_device_stopping_state_complete_request_handler,
.suspend_handler = scic_sds_remote_device_default_suspend_handler,
.resume_handler = scic_sds_remote_device_default_resume_handler,
.event_handler = scic_sds_remote_device_general_event_handler,
.frame_handler = scic_sds_remote_device_general_frame_handler
},
[SCI_BASE_REMOTE_DEVICE_STATE_FAILED] = {
.parent.start_handler = scic_sds_remote_device_default_start_handler,
.parent.stop_handler = scic_sds_remote_device_default_stop_handler,
.parent.fail_handler = scic_sds_remote_device_default_fail_handler,
.parent.destruct_handler = scic_sds_remote_device_default_destruct_handler,
.parent.reset_handler = scic_sds_remote_device_default_reset_handler,
.parent.reset_complete_handler = scic_sds_remote_device_default_reset_complete_handler,
.parent.start_io_handler = scic_sds_remote_device_default_start_request_handler,
.parent.complete_io_handler = scic_sds_remote_device_default_complete_request_handler,
.parent.continue_io_handler = scic_sds_remote_device_default_continue_request_handler,
.parent.start_task_handler = scic_sds_remote_device_default_start_request_handler,
.parent.complete_task_handler = scic_sds_remote_device_default_complete_request_handler,
.suspend_handler = scic_sds_remote_device_default_suspend_handler,
.resume_handler = scic_sds_remote_device_default_resume_handler,
.event_handler = scic_sds_remote_device_default_event_handler,
.frame_handler = scic_sds_remote_device_general_frame_handler
.start_handler = scic_sds_remote_device_default_start_handler,
.stop_handler = scic_sds_remote_device_default_stop_handler,
.fail_handler = scic_sds_remote_device_default_fail_handler,
.destruct_handler = scic_sds_remote_device_default_destruct_handler,
.reset_handler = scic_sds_remote_device_default_reset_handler,
.reset_complete_handler = scic_sds_remote_device_default_reset_complete_handler,
.start_io_handler = scic_sds_remote_device_default_start_request_handler,
.complete_io_handler = scic_sds_remote_device_default_complete_request_handler,
.continue_io_handler = scic_sds_remote_device_default_continue_request_handler,
.start_task_handler = scic_sds_remote_device_default_start_request_handler,
.complete_task_handler = scic_sds_remote_device_default_complete_request_handler,
.suspend_handler = scic_sds_remote_device_default_suspend_handler,
.resume_handler = scic_sds_remote_device_default_resume_handler,
.event_handler = scic_sds_remote_device_default_event_handler,
.frame_handler = scic_sds_remote_device_general_frame_handler
},
[SCI_BASE_REMOTE_DEVICE_STATE_RESETTING] = {
.parent.start_handler = scic_sds_remote_device_default_start_handler,
.parent.stop_handler = scic_sds_remote_device_resetting_state_stop_handler,
.parent.fail_handler = scic_sds_remote_device_default_fail_handler,
.parent.destruct_handler = scic_sds_remote_device_default_destruct_handler,
.parent.reset_handler = scic_sds_remote_device_default_reset_handler,
.parent.reset_complete_handler = scic_sds_remote_device_resetting_state_reset_complete_handler,
.parent.start_io_handler = scic_sds_remote_device_default_start_request_handler,
.parent.complete_io_handler = scic_sds_remote_device_resetting_state_complete_request_handler,
.parent.continue_io_handler = scic_sds_remote_device_default_continue_request_handler,
.parent.start_task_handler = scic_sds_remote_device_default_start_request_handler,
.parent.complete_task_handler = scic_sds_remote_device_resetting_state_complete_request_handler,
.suspend_handler = scic_sds_remote_device_default_suspend_handler,
.resume_handler = scic_sds_remote_device_default_resume_handler,
.event_handler = scic_sds_remote_device_default_event_handler,
.frame_handler = scic_sds_remote_device_general_frame_handler
.start_handler = scic_sds_remote_device_default_start_handler,
.stop_handler = scic_sds_remote_device_resetting_state_stop_handler,
.fail_handler = scic_sds_remote_device_default_fail_handler,
.destruct_handler = scic_sds_remote_device_default_destruct_handler,
.reset_handler = scic_sds_remote_device_default_reset_handler,
.reset_complete_handler = scic_sds_remote_device_resetting_state_reset_complete_handler,
.start_io_handler = scic_sds_remote_device_default_start_request_handler,
.complete_io_handler = scic_sds_remote_device_resetting_state_complete_request_handler,
.continue_io_handler = scic_sds_remote_device_default_continue_request_handler,
.start_task_handler = scic_sds_remote_device_default_start_request_handler,
.complete_task_handler = scic_sds_remote_device_resetting_state_complete_request_handler,
.suspend_handler = scic_sds_remote_device_default_suspend_handler,
.resume_handler = scic_sds_remote_device_default_resume_handler,
.event_handler = scic_sds_remote_device_default_event_handler,
.frame_handler = scic_sds_remote_device_general_frame_handler
},
[SCI_BASE_REMOTE_DEVICE_STATE_FINAL] = {
.parent.start_handler = scic_sds_remote_device_default_start_handler,
.parent.stop_handler = scic_sds_remote_device_default_stop_handler,
.parent.fail_handler = scic_sds_remote_device_default_fail_handler,
.parent.destruct_handler = scic_sds_remote_device_default_destruct_handler,
.parent.reset_handler = scic_sds_remote_device_default_reset_handler,
.parent.reset_complete_handler = scic_sds_remote_device_default_reset_complete_handler,
.parent.start_io_handler = scic_sds_remote_device_default_start_request_handler,
.parent.complete_io_handler = scic_sds_remote_device_default_complete_request_handler,
.parent.continue_io_handler = scic_sds_remote_device_default_continue_request_handler,
.parent.start_task_handler = scic_sds_remote_device_default_start_request_handler,
.parent.complete_task_handler = scic_sds_remote_device_default_complete_request_handler,
.suspend_handler = scic_sds_remote_device_default_suspend_handler,
.resume_handler = scic_sds_remote_device_default_resume_handler,
.event_handler = scic_sds_remote_device_default_event_handler,
.frame_handler = scic_sds_remote_device_default_frame_handler
.start_handler = scic_sds_remote_device_default_start_handler,
.stop_handler = scic_sds_remote_device_default_stop_handler,
.fail_handler = scic_sds_remote_device_default_fail_handler,
.destruct_handler = scic_sds_remote_device_default_destruct_handler,
.reset_handler = scic_sds_remote_device_default_reset_handler,
.reset_complete_handler = scic_sds_remote_device_default_reset_complete_handler,
.start_io_handler = scic_sds_remote_device_default_start_request_handler,
.complete_io_handler = scic_sds_remote_device_default_complete_request_handler,
.continue_io_handler = scic_sds_remote_device_default_continue_request_handler,
.start_task_handler = scic_sds_remote_device_default_start_request_handler,
.complete_task_handler = scic_sds_remote_device_default_complete_request_handler,
.suspend_handler = scic_sds_remote_device_default_suspend_handler,
.resume_handler = scic_sds_remote_device_default_resume_handler,
.event_handler = scic_sds_remote_device_default_event_handler,
.frame_handler = scic_sds_remote_device_default_frame_handler
}
};
@ -1415,12 +1386,12 @@ static void scic_sds_remote_device_initial_state_enter(
{
struct scic_sds_remote_device *sci_dev = (struct scic_sds_remote_device *)object;
sci_dev = container_of(object, typeof(*sci_dev), parent.parent);
sci_dev = container_of(object, typeof(*sci_dev), parent);
SET_STATE_HANDLER(sci_dev, scic_sds_remote_device_state_handler_table,
SCI_BASE_REMOTE_DEVICE_STATE_INITIAL);
/* Initial state is a transitional state to the stopped state */
sci_base_state_machine_change_state(&sci_dev->parent.state_machine,
sci_base_state_machine_change_state(&sci_dev->state_machine,
SCI_BASE_REMOTE_DEVICE_STATE_STOPPED);
}
@ -1443,7 +1414,7 @@ static void scic_sds_remote_device_stopped_state_enter(
struct isci_host *ihost;
u32 prev_state;
sci_dev = container_of(object, typeof(*sci_dev), parent.parent);
sci_dev = container_of(object, typeof(*sci_dev), parent);
scic = scic_sds_remote_device_get_controller(sci_dev);
ihost = sci_object_get_association(scic);
idev = sci_object_get_association(sci_dev);
@ -1454,7 +1425,7 @@ static void scic_sds_remote_device_stopped_state_enter(
/* If we are entering from the stopping state let the SCI User know that
* the stop operation has completed.
*/
prev_state = sci_dev->parent.state_machine.previous_state_id;
prev_state = sci_dev->state_machine.previous_state_id;
if (prev_state == SCI_BASE_REMOTE_DEVICE_STATE_STOPPING)
isci_remote_device_stop_complete(ihost, idev, SCI_SUCCESS);
@ -1473,7 +1444,7 @@ static void scic_sds_remote_device_stopped_state_enter(
static void scic_sds_remote_device_starting_state_enter(struct sci_base_object *object)
{
struct scic_sds_remote_device *sci_dev = container_of(object, typeof(*sci_dev),
parent.parent);
parent);
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);
@ -1488,7 +1459,7 @@ static void scic_sds_remote_device_starting_state_enter(struct sci_base_object *
static void scic_sds_remote_device_starting_state_exit(struct sci_base_object *object)
{
struct scic_sds_remote_device *sci_dev = container_of(object, typeof(*sci_dev),
parent.parent);
parent);
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);
@ -1511,7 +1482,7 @@ static void scic_sds_remote_device_starting_state_exit(struct sci_base_object *o
static void scic_sds_remote_device_ready_state_enter(struct sci_base_object *object)
{
struct scic_sds_remote_device *sci_dev = container_of(object, typeof(*sci_dev),
parent.parent);
parent);
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);
@ -1540,7 +1511,7 @@ static void scic_sds_remote_device_ready_state_exit(
struct sci_base_object *object)
{
struct scic_sds_remote_device *sci_dev = container_of(object, typeof(*sci_dev),
parent.parent);
parent);
if (sci_dev->has_ready_substate_machine)
sci_base_state_machine_stop(&sci_dev->ready_substate_machine);
else {
@ -1691,10 +1662,17 @@ void scic_remote_device_construct(struct scic_sds_port *sci_port,
sci_dev->owning_port = sci_port;
sci_dev->started_request_count = 0;
sci_dev->rnc = (struct scic_sds_remote_node_context *) &sci_dev[1];
sci_dev->parent.private = NULL;
sci_base_remote_device_construct(
sci_base_state_machine_construct(
&sci_dev->state_machine,
&sci_dev->parent,
scic_sds_remote_device_state_table
scic_sds_remote_device_state_table,
SCI_BASE_REMOTE_DEVICE_STATE_INITIAL
);
sci_base_state_machine_start(
&sci_dev->state_machine
);
scic_sds_remote_node_context_construct(

192
drivers/scsi/isci/core/scic_sds_remote_device.h
View file

@ -56,22 +56,74 @@
#ifndef _SCIC_SDS_REMOTE_DEVICE_H_
#define _SCIC_SDS_REMOTE_DEVICE_H_
/**
* This file contains the structures, constants, and prototypes for the
* struct scic_sds_remote_device object.
*
*
*/
#include "intel_sas.h"
#include "sci_base_remote_device.h"
#include "scu_remote_node_context.h"
#include "scic_sds_remote_node_context.h"
struct scic_sds_controller;
struct scic_sds_port;
struct scic_sds_request;
struct scic_sds_remote_device_state_handler;
/**
* enum scic_sds_remote_device_states - This enumeration depicts all the states
* for the common remote device state machine.
*
*
*/
enum scic_sds_remote_device_states {
/**
* Simply the initial state for the base remote device state machine.
*/
SCI_BASE_REMOTE_DEVICE_STATE_INITIAL,
/**
* This state indicates that the remote device has successfully been
* stopped. In this state no new IO operations are permitted.
* This state is entered from the INITIAL state.
* This state is entered from the STOPPING state.
*/
SCI_BASE_REMOTE_DEVICE_STATE_STOPPED,
/**
* This state indicates the the remote device is in the process of
* becoming ready (i.e. starting). In this state no new IO operations
* are permitted.
* This state is entered from the STOPPED state.
*/
SCI_BASE_REMOTE_DEVICE_STATE_STARTING,
/**
* This state indicates the remote device is now ready. Thus, the user
* is able to perform IO operations on the remote device.
* This state is entered from the STARTING state.
*/
SCI_BASE_REMOTE_DEVICE_STATE_READY,
/**
* This state indicates that the remote device is in the process of
* stopping. In this state no new IO operations are permitted, but
* existing IO operations are allowed to complete.
* This state is entered from the READY state.
* This state is entered from the FAILED state.
*/
SCI_BASE_REMOTE_DEVICE_STATE_STOPPING,
/**
* This state indicates that the remote device has failed.
* In this state no new IO operations are permitted.
* This state is entered from the INITIALIZING state.
* This state is entered from the READY state.
*/
SCI_BASE_REMOTE_DEVICE_STATE_FAILED,
/**
* This state indicates the device is being reset.
* In this state no new IO operations are permitted.
* This state is entered from the READY state.
*/
SCI_BASE_REMOTE_DEVICE_STATE_RESETTING,
/**
* Simply the final state for the base remote device state machine.
*/
SCI_BASE_REMOTE_DEVICE_STATE_FINAL,
};
/**
* enum scic_sds_ssp_remote_device_ready_substates -
@ -186,14 +238,21 @@ enum scic_sds_smp_remote_device_ready_substates {
*/
struct scic_sds_remote_device {
/**
* This field is the common base for all remote device objects.
* The field specifies that the parent object for the base remote
* device is the base object itself.
*/
struct sci_base_remote_device parent;
struct sci_base_object parent;
/**
* This field is the programmed device port width. This value is written to
* the RCN data structure to tell the SCU how many open connections this
* device can have.
* This field contains the information for the base remote device state
* machine.
*/
struct sci_base_state_machine state_machine;
/**
* This field is the programmed device port width. This value is
* written to the RCN data structure to tell the SCU how many open
* connections this device can have.
*/
u32 device_port_width;
@ -279,6 +338,16 @@ struct scic_sds_remote_device {
const struct scic_sds_remote_device_state_handler *state_handlers;
};
typedef enum sci_status (*scic_sds_remote_device_request_handler_t)(
struct scic_sds_remote_device *device,
struct scic_sds_request *request);
typedef enum sci_status (*scic_sds_remote_device_high_priority_request_complete_handler_t)(
struct scic_sds_remote_device *device,
struct scic_sds_request *request,
void *,
enum sci_io_status);
typedef enum sci_status (*scic_sds_remote_device_handler_t)(
struct scic_sds_remote_device *this_device);
@ -308,7 +377,74 @@ typedef void (*scic_sds_remote_device_ready_not_ready_handler_t)(
*
*/
struct scic_sds_remote_device_state_handler {
struct sci_base_remote_device_state_handler parent;
/**
* The start_handler specifies the method invoked when a user
* attempts to start a remote device.
*/
scic_sds_remote_device_handler_t start_handler;
/**
* The stop_handler specifies the method invoked when a user attempts to
* stop a remote device.
*/
scic_sds_remote_device_handler_t stop_handler;
/**
* The fail_handler specifies the method invoked when a remote device
* failure has occurred. A failure may be due to an inability to
* initialize/configure the device.
*/
scic_sds_remote_device_handler_t fail_handler;
/**
* The destruct_handler specifies the method invoked when attempting to
* destruct a remote device.
*/
scic_sds_remote_device_handler_t destruct_handler;
/**
* The reset handler specifies the method invloked when requesting to
* reset a remote device.
*/
scic_sds_remote_device_handler_t reset_handler;
/**
* The reset complete handler specifies the method invloked when
* reporting that a reset has completed to the remote device.
*/
scic_sds_remote_device_handler_t reset_complete_handler;
/**
* The start_io_handler specifies the method invoked when a user
* attempts to start an IO request for a remote device.
*/
scic_sds_remote_device_request_handler_t start_io_handler;
/**
* The complete_io_handler specifies the method invoked when a user
* attempts to complete an IO request for a remote device.
*/
scic_sds_remote_device_request_handler_t complete_io_handler;
/**
* The continue_io_handler specifies the method invoked when a user
* attempts to continue an IO request for a remote device.
*/
scic_sds_remote_device_request_handler_t continue_io_handler;
/**
* The start_task_handler specifies the method invoked when a user
* attempts to start a task management request for a remote device.
*/
scic_sds_remote_device_request_handler_t start_task_handler;
/**
* The complete_task_handler specifies the method invoked when a user
* attempts to complete a task management request for a remote device.
*/
scic_sds_remote_device_request_handler_t complete_task_handler;
scic_sds_remote_device_suspend_handler_t suspend_handler;
scic_sds_remote_device_resume_handler_t resume_handler;
scic_sds_remote_device_event_handler_t event_handler;
@ -490,30 +626,30 @@ void scic_sds_remote_device_start_request(
void scic_sds_remote_device_continue_request(void *sci_dev);
enum sci_status scic_sds_remote_device_default_start_handler(
struct sci_base_remote_device *this_device);
struct scic_sds_remote_device *this_device);
enum sci_status scic_sds_remote_device_default_fail_handler(
struct sci_base_remote_device *this_device);
struct scic_sds_remote_device *this_device);
enum sci_status scic_sds_remote_device_default_destruct_handler(
struct sci_base_remote_device *this_device);
struct scic_sds_remote_device *this_device);
enum sci_status scic_sds_remote_device_default_reset_handler(
struct sci_base_remote_device *device);
struct scic_sds_remote_device *device);
enum sci_status scic_sds_remote_device_default_reset_complete_handler(
struct sci_base_remote_device *device);
struct scic_sds_remote_device *device);
enum sci_status scic_sds_remote_device_default_start_request_handler(
struct sci_base_remote_device *device,
struct scic_sds_remote_device *device,
struct scic_sds_request *request);
enum sci_status scic_sds_remote_device_default_complete_request_handler(
struct sci_base_remote_device *device,
struct scic_sds_remote_device *device,
struct scic_sds_request *request);
enum sci_status scic_sds_remote_device_default_continue_request_handler(
struct sci_base_remote_device *device,
struct scic_sds_remote_device *device,
struct scic_sds_request *request);
enum sci_status scic_sds_remote_device_default_suspend_handler(
@ -529,10 +665,10 @@ enum sci_status scic_sds_remote_device_default_frame_handler(
u32 frame_index);
enum sci_status scic_sds_remote_device_ready_state_stop_handler(
struct sci_base_remote_device *device);
struct scic_sds_remote_device *device);
enum sci_status scic_sds_remote_device_ready_state_reset_handler(
struct sci_base_remote_device *device);
struct scic_sds_remote_device *device);
enum sci_status scic_sds_remote_device_general_frame_handler(
struct scic_sds_remote_device *this_device,

104
drivers/scsi/isci/core/scic_sds_smp_remote_device.c
View file

@ -77,33 +77,32 @@
* the idle state. enum sci_status
*/
static enum sci_status scic_sds_smp_remote_device_ready_idle_substate_start_io_handler(
struct sci_base_remote_device *device,
struct scic_sds_remote_device *device,
struct scic_sds_request *request)
{
enum sci_status status;
struct scic_sds_remote_device *this_device = (struct scic_sds_remote_device *)device;
/* 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, request);
status = device->owning_port->state_handlers->start_io_handler(
device->owning_port, device, request);
if (status == SCI_SUCCESS) {
status =
scic_sds_remote_node_context_start_io(this_device->rnc, request);
status = scic_sds_remote_node_context_start_io(
device->rnc, request);
if (status == SCI_SUCCESS)
status = scic_sds_request_start(request);
if (status == SCI_SUCCESS) {
this_device->working_request = request;
device->working_request = request;
sci_base_state_machine_change_state(
&this_device->ready_substate_machine,
&device->ready_substate_machine,
SCIC_SDS_SMP_REMOTE_DEVICE_READY_SUBSTATE_CMD
);
}
scic_sds_remote_device_start_request(this_device, request, status);
scic_sds_remote_device_start_request(device, request, status);
}
return status;
@ -123,7 +122,7 @@ static enum sci_status scic_sds_smp_remote_device_ready_idle_substate_start_io_h
* until this one is complete. enum sci_status
*/
static enum sci_status scic_sds_smp_remote_device_ready_cmd_substate_start_io_handler(
struct sci_base_remote_device *device,
struct scic_sds_remote_device *device,
struct scic_sds_request *request)
{
return SCI_FAILURE_INVALID_STATE;
@ -137,38 +136,37 @@ static enum sci_status scic_sds_smp_remote_device_ready_cmd_substate_start_io_ha
*
* enum sci_status
*/
static enum sci_status scic_sds_smp_remote_device_ready_cmd_substate_complete_io_handler(
struct sci_base_remote_device *device,
static enum sci_status
scic_sds_smp_remote_device_ready_cmd_substate_complete_io_handler(
struct scic_sds_remote_device *device,
struct scic_sds_request *request)
{
enum sci_status status;
struct scic_sds_remote_device *this_device;
struct scic_sds_request *the_request;
this_device = (struct scic_sds_remote_device *)device;
the_request = (struct scic_sds_request *)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);
device->owning_port, device, the_request);
if (status == SCI_SUCCESS) {
scic_sds_remote_device_decrement_request_count(this_device);
scic_sds_remote_device_decrement_request_count(device);
sci_base_state_machine_change_state(
&this_device->ready_substate_machine,
&device->ready_substate_machine,
SCIC_SDS_SMP_REMOTE_DEVICE_READY_SUBSTATE_IDLE
);
} else
dev_err(scirdev_to_dev(this_device),
dev_err(scirdev_to_dev(device),
"%s: SCIC SDS Remote Device 0x%p io request "
"0x%p could not be completd on the port 0x%p "
"failed with status %d.\n",
__func__,
this_device,
device,
the_request,
this_device->owning_port,
device->owning_port,
status);
}
@ -204,38 +202,38 @@ static enum sci_status scic_sds_smp_remote_device_ready_cmd_substate_frame_handl
static const struct scic_sds_remote_device_state_handler scic_sds_smp_remote_device_ready_substate_handler_table[] = {
[SCIC_SDS_SMP_REMOTE_DEVICE_READY_SUBSTATE_IDLE] = {
.parent.start_handler = scic_sds_remote_device_default_start_handler,
.parent.stop_handler = scic_sds_remote_device_ready_state_stop_handler,
.parent.fail_handler = scic_sds_remote_device_default_fail_handler,
.parent.destruct_handler = scic_sds_remote_device_default_destruct_handler,
.parent.reset_handler = scic_sds_remote_device_default_reset_handler,
.parent.reset_complete_handler = scic_sds_remote_device_default_reset_complete_handler,
.parent.start_io_handler = scic_sds_smp_remote_device_ready_idle_substate_start_io_handler,
.parent.complete_io_handler = scic_sds_remote_device_default_complete_request_handler,
.parent.continue_io_handler = scic_sds_remote_device_default_continue_request_handler,
.parent.start_task_handler = scic_sds_remote_device_default_start_request_handler,
.parent.complete_task_handler = scic_sds_remote_device_default_complete_request_handler,
.suspend_handler = scic_sds_remote_device_default_suspend_handler,
.resume_handler = scic_sds_remote_device_default_resume_handler,
.event_handler = scic_sds_remote_device_general_event_handler,
.frame_handler = scic_sds_remote_device_default_frame_handler
.start_handler = scic_sds_remote_device_default_start_handler,
.stop_handler = scic_sds_remote_device_ready_state_stop_handler,
.fail_handler = scic_sds_remote_device_default_fail_handler,
.destruct_handler = scic_sds_remote_device_default_destruct_handler,
.reset_handler = scic_sds_remote_device_default_reset_handler,
.reset_complete_handler = scic_sds_remote_device_default_reset_complete_handler,
.start_io_handler = scic_sds_smp_remote_device_ready_idle_substate_start_io_handler,
.complete_io_handler = scic_sds_remote_device_default_complete_request_handler,
.continue_io_handler = scic_sds_remote_device_default_continue_request_handler,
.start_task_handler = scic_sds_remote_device_default_start_request_handler,
.complete_task_handler = scic_sds_remote_device_default_complete_request_handler,
.suspend_handler = scic_sds_remote_device_default_suspend_handler,
.resume_handler = scic_sds_remote_device_default_resume_handler,
.event_handler = scic_sds_remote_device_general_event_handler,
.frame_handler = scic_sds_remote_device_default_frame_handler
},
[SCIC_SDS_SMP_REMOTE_DEVICE_READY_SUBSTATE_CMD] = {
.parent.start_handler = scic_sds_remote_device_default_start_handler,
.parent.stop_handler = scic_sds_remote_device_ready_state_stop_handler,
.parent.fail_handler = scic_sds_remote_device_default_fail_handler,
.parent.destruct_handler = scic_sds_remote_device_default_destruct_handler,
.parent.reset_handler = scic_sds_remote_device_default_reset_handler,
.parent.reset_complete_handler = scic_sds_remote_device_default_reset_complete_handler,
.parent.start_io_handler = scic_sds_smp_remote_device_ready_cmd_substate_start_io_handler,
.parent.complete_io_handler = scic_sds_smp_remote_device_ready_cmd_substate_complete_io_handler,
.parent.continue_io_handler = scic_sds_remote_device_default_continue_request_handler,
.parent.start_task_handler = scic_sds_remote_device_default_start_request_handler,
.parent.complete_task_handler = scic_sds_remote_device_default_complete_request_handler,
.suspend_handler = scic_sds_remote_device_default_suspend_handler,
.resume_handler = scic_sds_remote_device_default_resume_handler,
.event_handler = scic_sds_remote_device_general_event_handler,
.frame_handler = scic_sds_smp_remote_device_ready_cmd_substate_frame_handler
.start_handler = scic_sds_remote_device_default_start_handler,
.stop_handler = scic_sds_remote_device_ready_state_stop_handler,
.fail_handler = scic_sds_remote_device_default_fail_handler,
.destruct_handler = scic_sds_remote_device_default_destruct_handler,
.reset_handler = scic_sds_remote_device_default_reset_handler,
.reset_complete_handler = scic_sds_remote_device_default_reset_complete_handler,
.start_io_handler = scic_sds_smp_remote_device_ready_cmd_substate_start_io_handler,
.complete_io_handler = scic_sds_smp_remote_device_ready_cmd_substate_complete_io_handler,
.continue_io_handler = scic_sds_remote_device_default_continue_request_handler,
.start_task_handler = scic_sds_remote_device_default_start_request_handler,
.complete_task_handler = scic_sds_remote_device_default_complete_request_handler,
.suspend_handler = scic_sds_remote_device_default_suspend_handler,
.resume_handler = scic_sds_remote_device_default_resume_handler,
.event_handler = scic_sds_remote_device_general_event_handler,
.frame_handler = scic_sds_smp_remote_device_ready_cmd_substate_frame_handler
}
};
@ -251,7 +249,7 @@ static const struct scic_sds_remote_device_state_handler scic_sds_smp_remote_dev
static void scic_sds_smp_remote_device_ready_idle_substate_enter(struct sci_base_object *object)
{
struct scic_sds_remote_device *sci_dev = container_of(object, typeof(*sci_dev),
parent.parent);
parent);
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);
@ -276,7 +274,7 @@ static void scic_sds_smp_remote_device_ready_cmd_substate_enter(
struct sci_base_object *object)
{
struct scic_sds_remote_device *sci_dev = container_of(object, typeof(*sci_dev),
parent.parent);
parent);
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);
@ -301,7 +299,7 @@ static void scic_sds_smp_remote_device_ready_cmd_substate_enter(
static void scic_sds_smp_remote_device_ready_cmd_substate_exit(struct sci_base_object *object)
{
struct scic_sds_remote_device *sci_dev = container_of(object, typeof(*sci_dev),
parent.parent);
parent);
sci_dev->working_request = NULL;
}

227
drivers/scsi/isci/core/scic_sds_stp_remote_device.c
View file

@ -77,20 +77,19 @@
* completed successfully.
*/
static enum sci_status scic_sds_stp_remote_device_complete_request(
struct sci_base_remote_device *device,
struct scic_sds_remote_device *device,
struct scic_sds_request *request)
{
struct scic_sds_remote_device *this_device = (struct scic_sds_remote_device *)device;
enum sci_status status;
status = scic_sds_io_request_complete(request);
if (status == SCI_SUCCESS) {
status = scic_sds_port_complete_io(
this_device->owning_port, this_device, request);
device->owning_port, device, request);
if (status == SCI_SUCCESS) {
scic_sds_remote_device_decrement_request_count(this_device);
scic_sds_remote_device_decrement_request_count(device);
if (request->sci_status == SCI_FAILURE_REMOTE_DEVICE_RESET_REQUIRED) {
/*
* This request causes hardware error, device needs to be Lun Reset.
@ -98,12 +97,12 @@ static enum sci_status scic_sds_stp_remote_device_complete_request(
* can reach RNC state handler, these IOs will be completed by RNC with
* status of "DEVICE_RESET_REQUIRED", instead of "INVALID STATE". */
sci_base_state_machine_change_state(
&this_device->ready_substate_machine,
&device->ready_substate_machine,
SCIC_SDS_STP_REMOTE_DEVICE_READY_SUBSTATE_AWAIT_RESET
);
} else if (scic_sds_remote_device_get_request_count(this_device) == 0) {
} else if (scic_sds_remote_device_get_request_count(device) == 0) {
sci_base_state_machine_change_state(
&this_device->ready_substate_machine,
&device->ready_substate_machine,
SCIC_SDS_STP_REMOTE_DEVICE_READY_SUBSTATE_IDLE
);
}
@ -111,12 +110,12 @@ static enum sci_status scic_sds_stp_remote_device_complete_request(
}
if (status != SCI_SUCCESS)
dev_err(scirdev_to_dev(this_device),
dev_err(scirdev_to_dev(device),
"%s: Port:0x%p Device:0x%p Request:0x%p Status:0x%x "
"could not complete\n",
__func__,
this_device->owning_port,
this_device,
device->owning_port,
device,
request,
status);
@ -140,19 +139,18 @@ static enum sci_status scic_sds_stp_remote_device_complete_request(
* callback will be called.
*/
static enum sci_status scic_sds_stp_remote_device_ready_substate_start_request_handler(
struct sci_base_remote_device *device,
struct scic_sds_remote_device *device,
struct scic_sds_request *request)
{
enum sci_status status;
struct scic_sds_remote_device *this_device = (struct scic_sds_remote_device *)device;
/* 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, request);
status = device->owning_port->state_handlers->start_io_handler(
device->owning_port, device, request);
if (status != SCI_SUCCESS)
return status;
status = scic_sds_remote_node_context_start_task(this_device->rnc, request);
status = scic_sds_remote_node_context_start_task(device->rnc, request);
if (status != SCI_SUCCESS)
goto out;
@ -164,8 +162,8 @@ static enum sci_status scic_sds_stp_remote_device_ready_substate_start_request_h
* Note: If the remote device state is not IDLE this will replace
* the request that probably resulted in the task management request.
*/
this_device->working_request = request;
sci_base_state_machine_change_state(&this_device->ready_substate_machine,
device->working_request = request;
sci_base_state_machine_change_state(&device->ready_substate_machine,
SCIC_SDS_STP_REMOTE_DEVICE_READY_SUBSTATE_CMD);
/*
@ -175,14 +173,14 @@ static enum sci_status scic_sds_stp_remote_device_ready_substate_start_request_h
* remote node context state machine will take the correct action when
* the remote node context is suspended and later resumed.
*/
scic_sds_remote_node_context_suspend(this_device->rnc,
scic_sds_remote_node_context_suspend(device->rnc,
SCI_SOFTWARE_SUSPENSION, NULL, NULL);
scic_sds_remote_node_context_resume(this_device->rnc,
scic_sds_remote_node_context_resume(device->rnc,
scic_sds_remote_device_continue_request,
this_device);
device);
out:
scic_sds_remote_device_start_request(this_device, request, status);
scic_sds_remote_device_start_request(device, request, status);
/*
* We need to let the controller start request handler know that it can't
* post TC yet. We will provide a callback function to post TC when RNC gets
@ -208,23 +206,21 @@ out:
* enum sci_status
*/
static enum sci_status scic_sds_stp_remote_device_ready_idle_substate_start_io_handler(
struct sci_base_remote_device *base_device,
struct scic_sds_remote_device *sci_dev,
struct scic_sds_request *request)
{
enum sci_status status;
struct scic_sds_remote_device *device =
(struct scic_sds_remote_device *)&base_device->parent;
struct isci_request *isci_request =
(struct isci_request *)sci_object_get_association(request);
/* Will the port allow the io request to start? */
status = device->owning_port->state_handlers->start_io_handler(
device->owning_port, device, request);
status = sci_dev->owning_port->state_handlers->start_io_handler(
sci_dev->owning_port, sci_dev, request);
if (status != SCI_SUCCESS)
return status;
status = scic_sds_remote_node_context_start_io(device->rnc, request);
status = scic_sds_remote_node_context_start_io(sci_dev->rnc, request);
if (status != SCI_SUCCESS)
goto out;
@ -233,15 +229,15 @@ static enum sci_status scic_sds_stp_remote_device_ready_idle_substate_start_io_h
goto out;
if (isci_sata_get_sat_protocol(isci_request) == SAT_PROTOCOL_FPDMA) {
sci_base_state_machine_change_state(&device->ready_substate_machine,
sci_base_state_machine_change_state(&sci_dev->ready_substate_machine,
SCIC_SDS_STP_REMOTE_DEVICE_READY_SUBSTATE_NCQ);
} else {
device->working_request = request;
sci_base_state_machine_change_state(&device->ready_substate_machine,
sci_dev->working_request = request;
sci_base_state_machine_change_state(&sci_dev->ready_substate_machine,
SCIC_SDS_STP_REMOTE_DEVICE_READY_SUBSTATE_CMD);
}
out:
scic_sds_remote_device_start_request(device, request, status);
scic_sds_remote_device_start_request(sci_dev, request, status);
return status;
}
@ -281,30 +277,28 @@ static enum sci_status scic_sds_stp_remote_device_ready_idle_substate_event_hand
* ***************************************************************************** */
static enum sci_status scic_sds_stp_remote_device_ready_ncq_substate_start_io_handler(
struct sci_base_remote_device *base_device,
struct scic_sds_remote_device *sci_dev,
struct scic_sds_request *request)
{
enum sci_status status;
struct scic_sds_remote_device *device =
(struct scic_sds_remote_device *)&base_device->parent;
struct isci_request *isci_request =
(struct isci_request *)sci_object_get_association(request);
if (isci_sata_get_sat_protocol(isci_request) == SAT_PROTOCOL_FPDMA) {
status = device->owning_port->state_handlers->start_io_handler(
device->owning_port,
device,
status = sci_dev->owning_port->state_handlers->start_io_handler(
sci_dev->owning_port,
sci_dev,
request);
if (status == SCI_SUCCESS) {
status = scic_sds_remote_node_context_start_io(
device->rnc,
sci_dev->rnc,
request);
if (status == SCI_SUCCESS)
status = request->state_handlers->start_handler(request);
scic_sds_remote_device_start_request(device,
scic_sds_remote_device_start_request(sci_dev,
request,
status);
}
@ -392,7 +386,7 @@ static enum sci_status scic_sds_stp_remote_device_ready_ncq_substate_frame_handl
* enum sci_status
*/
static enum sci_status scic_sds_stp_remote_device_ready_cmd_substate_start_io_handler(
struct sci_base_remote_device *device,
struct scic_sds_remote_device *device,
struct scic_sds_request *request)
{
return SCI_FAILURE_INVALID_STATE;
@ -445,7 +439,7 @@ static enum sci_status scic_sds_stp_remote_device_ready_cmd_substate_frame_handl
* * STP REMOTE DEVICE READY AWAIT RESET SUBSTATE HANDLERS
* ***************************************************************************** */
static enum sci_status scic_sds_stp_remote_device_ready_await_reset_substate_start_io_handler(
struct sci_base_remote_device *device,
struct scic_sds_remote_device *device,
struct scic_sds_request *request)
{
return SCI_FAILURE_REMOTE_DEVICE_RESET_REQUIRED;
@ -464,10 +458,9 @@ static enum sci_status scic_sds_stp_remote_device_ready_await_reset_substate_sta
* completed successfully.
*/
static enum sci_status scic_sds_stp_remote_device_ready_await_reset_substate_complete_request_handler(
struct sci_base_remote_device *device,
struct scic_sds_remote_device *device,
struct scic_sds_request *request)
{
struct scic_sds_remote_device *this_device = (struct scic_sds_remote_device *)device;
struct scic_sds_request *the_request = (struct scic_sds_request *)request;
enum sci_status status;
@ -475,20 +468,20 @@ static enum sci_status scic_sds_stp_remote_device_ready_await_reset_substate_com
if (status == SCI_SUCCESS) {
status = scic_sds_port_complete_io(
this_device->owning_port, this_device, the_request
device->owning_port, device, the_request
);
if (status == SCI_SUCCESS)
scic_sds_remote_device_decrement_request_count(this_device);
scic_sds_remote_device_decrement_request_count(device);
}
if (status != SCI_SUCCESS)
dev_err(scirdev_to_dev(this_device),
dev_err(scirdev_to_dev(device),
"%s: Port:0x%p Device:0x%p Request:0x%p Status:0x%x "
"could not complete\n",
__func__,
this_device->owning_port,
this_device,
device->owning_port,
device,
the_request,
status);
@ -538,68 +531,68 @@ enum sci_status scic_sds_stp_remote_device_ready_atapi_error_substate_event_hand
static const struct scic_sds_remote_device_state_handler scic_sds_stp_remote_device_ready_substate_handler_table[] = {
[SCIC_SDS_STP_REMOTE_DEVICE_READY_SUBSTATE_IDLE] = {
.parent.start_handler = scic_sds_remote_device_default_start_handler,
.parent.stop_handler = scic_sds_remote_device_ready_state_stop_handler,
.parent.fail_handler = scic_sds_remote_device_default_fail_handler,
.parent.destruct_handler = scic_sds_remote_device_default_destruct_handler,
.parent.reset_handler = scic_sds_remote_device_ready_state_reset_handler,
.parent.reset_complete_handler = scic_sds_remote_device_default_reset_complete_handler,
.parent.start_io_handler = scic_sds_stp_remote_device_ready_idle_substate_start_io_handler,
.parent.complete_io_handler = scic_sds_remote_device_default_complete_request_handler,
.parent.continue_io_handler = scic_sds_remote_device_default_continue_request_handler,
.parent.start_task_handler = scic_sds_stp_remote_device_ready_substate_start_request_handler,
.parent.complete_task_handler = scic_sds_remote_device_default_complete_request_handler,
.start_handler = scic_sds_remote_device_default_start_handler,
.stop_handler = scic_sds_remote_device_ready_state_stop_handler,
.fail_handler = scic_sds_remote_device_default_fail_handler,
.destruct_handler = scic_sds_remote_device_default_destruct_handler,
.reset_handler = scic_sds_remote_device_ready_state_reset_handler,
.reset_complete_handler = scic_sds_remote_device_default_reset_complete_handler,
.start_io_handler = scic_sds_stp_remote_device_ready_idle_substate_start_io_handler,
.complete_io_handler = scic_sds_remote_device_default_complete_request_handler,
.continue_io_handler = scic_sds_remote_device_default_continue_request_handler,
.start_task_handler = scic_sds_stp_remote_device_ready_substate_start_request_handler,
.complete_task_handler = scic_sds_remote_device_default_complete_request_handler,
.suspend_handler = scic_sds_remote_device_default_suspend_handler,
.resume_handler = scic_sds_remote_device_default_resume_handler,
.event_handler = scic_sds_stp_remote_device_ready_idle_substate_event_handler,
.frame_handler = scic_sds_remote_device_default_frame_handler
},
[SCIC_SDS_STP_REMOTE_DEVICE_READY_SUBSTATE_CMD] = {
.parent.start_handler = scic_sds_remote_device_default_start_handler,
.parent.stop_handler = scic_sds_remote_device_ready_state_stop_handler,
.parent.fail_handler = scic_sds_remote_device_default_fail_handler,
.parent.destruct_handler = scic_sds_remote_device_default_destruct_handler,
.parent.reset_handler = scic_sds_remote_device_ready_state_reset_handler,
.parent.reset_complete_handler = scic_sds_remote_device_default_reset_complete_handler,
.parent.start_io_handler = scic_sds_stp_remote_device_ready_cmd_substate_start_io_handler,
.parent.complete_io_handler = scic_sds_stp_remote_device_complete_request,
.parent.continue_io_handler = scic_sds_remote_device_default_continue_request_handler,
.parent.start_task_handler = scic_sds_stp_remote_device_ready_substate_start_request_handler,
.parent.complete_task_handler = scic_sds_stp_remote_device_complete_request,
.start_handler = scic_sds_remote_device_default_start_handler,
.stop_handler = scic_sds_remote_device_ready_state_stop_handler,
.fail_handler = scic_sds_remote_device_default_fail_handler,
.destruct_handler = scic_sds_remote_device_default_destruct_handler,
.reset_handler = scic_sds_remote_device_ready_state_reset_handler,
.reset_complete_handler = scic_sds_remote_device_default_reset_complete_handler,
.start_io_handler = scic_sds_stp_remote_device_ready_cmd_substate_start_io_handler,
.complete_io_handler = scic_sds_stp_remote_device_complete_request,
.continue_io_handler = scic_sds_remote_device_default_continue_request_handler,
.start_task_handler = scic_sds_stp_remote_device_ready_substate_start_request_handler,
.complete_task_handler = scic_sds_stp_remote_device_complete_request,
.suspend_handler = scic_sds_stp_remote_device_ready_cmd_substate_suspend_handler,
.resume_handler = scic_sds_remote_device_default_resume_handler,
.event_handler = scic_sds_remote_device_general_event_handler,
.frame_handler = scic_sds_stp_remote_device_ready_cmd_substate_frame_handler
},
[SCIC_SDS_STP_REMOTE_DEVICE_READY_SUBSTATE_NCQ] = {
.parent.start_handler = scic_sds_remote_device_default_start_handler,
.parent.stop_handler = scic_sds_remote_device_ready_state_stop_handler,
.parent.fail_handler = scic_sds_remote_device_default_fail_handler,
.parent.destruct_handler = scic_sds_remote_device_default_destruct_handler,
.parent.reset_handler = scic_sds_remote_device_ready_state_reset_handler,
.parent.reset_complete_handler = scic_sds_remote_device_default_reset_complete_handler,
.parent.start_io_handler = scic_sds_stp_remote_device_ready_ncq_substate_start_io_handler,
.parent.complete_io_handler = scic_sds_stp_remote_device_complete_request,
.parent.continue_io_handler = scic_sds_remote_device_default_continue_request_handler,
.parent.start_task_handler = scic_sds_stp_remote_device_ready_substate_start_request_handler,
.parent.complete_task_handler = scic_sds_stp_remote_device_complete_request,
.start_handler = scic_sds_remote_device_default_start_handler,
.stop_handler = scic_sds_remote_device_ready_state_stop_handler,
.fail_handler = scic_sds_remote_device_default_fail_handler,
.destruct_handler = scic_sds_remote_device_default_destruct_handler,
.reset_handler = scic_sds_remote_device_ready_state_reset_handler,
.reset_complete_handler = scic_sds_remote_device_default_reset_complete_handler,
.start_io_handler = scic_sds_stp_remote_device_ready_ncq_substate_start_io_handler,
.complete_io_handler = scic_sds_stp_remote_device_complete_request,
.continue_io_handler = scic_sds_remote_device_default_continue_request_handler,
.start_task_handler = scic_sds_stp_remote_device_ready_substate_start_request_handler,
.complete_task_handler = scic_sds_stp_remote_device_complete_request,
.suspend_handler = scic_sds_remote_device_default_suspend_handler,
.resume_handler = scic_sds_remote_device_default_resume_handler,
.event_handler = scic_sds_remote_device_general_event_handler,
.frame_handler = scic_sds_stp_remote_device_ready_ncq_substate_frame_handler
},
[SCIC_SDS_STP_REMOTE_DEVICE_READY_SUBSTATE_NCQ_ERROR] = {
.parent.start_handler = scic_sds_remote_device_default_start_handler,
.parent.stop_handler = scic_sds_remote_device_ready_state_stop_handler,
.parent.fail_handler = scic_sds_remote_device_default_fail_handler,
.parent.destruct_handler = scic_sds_remote_device_default_destruct_handler,
.parent.reset_handler = scic_sds_remote_device_ready_state_reset_handler,
.parent.reset_complete_handler = scic_sds_remote_device_default_reset_complete_handler,
.parent.start_io_handler = scic_sds_remote_device_default_start_request_handler,
.parent.complete_io_handler = scic_sds_stp_remote_device_complete_request,
.parent.continue_io_handler = scic_sds_remote_device_default_continue_request_handler,
.parent.start_task_handler = scic_sds_stp_remote_device_ready_substate_start_request_handler,
.parent.complete_task_handler = scic_sds_stp_remote_device_complete_request,
.start_handler = scic_sds_remote_device_default_start_handler,
.stop_handler = scic_sds_remote_device_ready_state_stop_handler,
.fail_handler = scic_sds_remote_device_default_fail_handler,
.destruct_handler = scic_sds_remote_device_default_destruct_handler,
.reset_handler = scic_sds_remote_device_ready_state_reset_handler,
.reset_complete_handler = scic_sds_remote_device_default_reset_complete_handler,
.start_io_handler = scic_sds_remote_device_default_start_request_handler,
.complete_io_handler = scic_sds_stp_remote_device_complete_request,
.continue_io_handler = scic_sds_remote_device_default_continue_request_handler,
.start_task_handler = scic_sds_stp_remote_device_ready_substate_start_request_handler,
.complete_task_handler = scic_sds_stp_remote_device_complete_request,
.suspend_handler = scic_sds_remote_device_default_suspend_handler,
.resume_handler = scic_sds_remote_device_default_resume_handler,
.event_handler = scic_sds_remote_device_general_event_handler,
@ -607,17 +600,17 @@ static const struct scic_sds_remote_device_state_handler scic_sds_stp_remote_dev
},
#if !defined(DISABLE_ATAPI)
[SCIC_SDS_STP_REMOTE_DEVICE_READY_SUBSTATE_ATAPI_ERROR] = {
.parent.start_handler = scic_sds_remote_device_default_start_handler,
.parent.stop_handler = scic_sds_remote_device_ready_state_stop_handler,
.parent.fail_handler = scic_sds_remote_device_default_fail_handler,
.parent.destruct_handler = scic_sds_remote_device_default_destruct_handler,
.parent.reset_handler = scic_sds_remote_device_ready_state_reset_handler,
.parent.reset_complete_handler = scic_sds_remote_device_default_reset_complete_handler,
.parent.start_io_handler = scic_sds_remote_device_default_start_request_handler,
.parent.complete_io_handler = scic_sds_stp_remote_device_complete_request,
.parent.continue_io_handler = scic_sds_remote_device_default_continue_request_handler,
.parent.start_task_handler = scic_sds_stp_remote_device_ready_substate_start_request_handler,
.parent.complete_task_handler = scic_sds_stp_remote_device_complete_request,
.start_handler = scic_sds_remote_device_default_start_handler,
.stop_handler = scic_sds_remote_device_ready_state_stop_handler,
.fail_handler = scic_sds_remote_device_default_fail_handler,
.destruct_handler = scic_sds_remote_device_default_destruct_handler,
.reset_handler = scic_sds_remote_device_ready_state_reset_handler,
.reset_complete_handler = scic_sds_remote_device_default_reset_complete_handler,
.start_io_handler = scic_sds_remote_device_default_start_request_handler,
.complete_io_handler = scic_sds_stp_remote_device_complete_request,
.continue_io_handler = scic_sds_remote_device_default_continue_request_handler,
.start_task_handler = scic_sds_stp_remote_device_ready_substate_start_request_handler,
.complete_task_handler = scic_sds_stp_remote_device_complete_request,
.suspend_handler = scic_sds_remote_device_default_suspend_handler,
.resume_handler = scic_sds_remote_device_default_resume_handler,
.event_handler = scic_sds_stp_remote_device_ready_atapi_error_substate_event_handler,
@ -625,17 +618,17 @@ static const struct scic_sds_remote_device_state_handler scic_sds_stp_remote_dev
},
#endif
[SCIC_SDS_STP_REMOTE_DEVICE_READY_SUBSTATE_AWAIT_RESET] = {
.parent.start_handler = scic_sds_remote_device_default_start_handler,
.parent.stop_handler = scic_sds_remote_device_ready_state_stop_handler,
.parent.fail_handler = scic_sds_remote_device_default_fail_handler,
.parent.destruct_handler = scic_sds_remote_device_default_destruct_handler,
.parent.reset_handler = scic_sds_remote_device_ready_state_reset_handler,
.parent.reset_complete_handler = scic_sds_remote_device_default_reset_complete_handler,
.parent.start_io_handler = scic_sds_stp_remote_device_ready_await_reset_substate_start_io_handler,
.parent.complete_io_handler = scic_sds_stp_remote_device_ready_await_reset_substate_complete_request_handler,
.parent.continue_io_handler = scic_sds_remote_device_default_continue_request_handler,
.parent.start_task_handler = scic_sds_stp_remote_device_ready_substate_start_request_handler,
.parent.complete_task_handler = scic_sds_stp_remote_device_complete_request,
.start_handler = scic_sds_remote_device_default_start_handler,
.stop_handler = scic_sds_remote_device_ready_state_stop_handler,
.fail_handler = scic_sds_remote_device_default_fail_handler,
.destruct_handler = scic_sds_remote_device_default_destruct_handler,
.reset_handler = scic_sds_remote_device_ready_state_reset_handler,
.reset_complete_handler = scic_sds_remote_device_default_reset_complete_handler,
.start_io_handler = scic_sds_stp_remote_device_ready_await_reset_substate_start_io_handler,
.complete_io_handler = scic_sds_stp_remote_device_ready_await_reset_substate_complete_request_handler,
.continue_io_handler = scic_sds_remote_device_default_continue_request_handler,
.start_task_handler = scic_sds_stp_remote_device_ready_substate_start_request_handler,
.complete_task_handler = scic_sds_stp_remote_device_complete_request,
.suspend_handler = scic_sds_remote_device_default_suspend_handler,
.resume_handler = scic_sds_remote_device_default_resume_handler,
.event_handler = scic_sds_remote_device_general_event_handler,
@ -711,7 +704,7 @@ static void scic_sds_stp_remote_device_ready_idle_substate_enter(
static void scic_sds_stp_remote_device_ready_cmd_substate_enter(struct sci_base_object *object)
{
struct scic_sds_remote_device *sci_dev = container_of(object, typeof(*sci_dev),
parent.parent);
parent);
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);
@ -729,7 +722,7 @@ static void scic_sds_stp_remote_device_ready_cmd_substate_enter(struct sci_base_
static void scic_sds_stp_remote_device_ready_ncq_substate_enter(struct sci_base_object *object)
{
struct scic_sds_remote_device *sci_dev = container_of(object, typeof(*sci_dev),
parent.parent);
parent);
SET_STATE_HANDLER(sci_dev,
scic_sds_stp_remote_device_ready_substate_handler_table,
SCIC_SDS_STP_REMOTE_DEVICE_READY_SUBSTATE_NCQ);
@ -738,7 +731,7 @@ static void scic_sds_stp_remote_device_ready_ncq_substate_enter(struct sci_base_
static void scic_sds_stp_remote_device_ready_ncq_error_substate_enter(struct sci_base_object *object)
{
struct scic_sds_remote_device *sci_dev = container_of(object, typeof(*sci_dev),
parent.parent);
parent);
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);