Undo some needless separation.
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
obj-$(CONFIG_SCSI_ISCI) += isci.o
-isci-objs := init.o phy.o request.o sata.o \
+isci-objs := init.o phy.o request.o \
remote_device.o port.o \
host.o task.o probe_roms.o \
remote_node_context.o \
#include "isci.h"
#include "task.h"
#include "request.h"
-#include "sata.h"
#include "scu_completion_codes.h"
#include "scu_event_codes.h"
#include "sas.h"
return SCI_SUCCESS;
}
-void sci_stp_io_request_set_ncq_tag(struct isci_request *ireq,
- u16 ncq_tag)
-{
- /**
- * @note This could be made to return an error to the user if the user
- * attempts to set the NCQ tag in the wrong state.
- */
- ireq->tc->type.stp.ncq_tag = ncq_tag;
-}
-
static struct scu_sgl_element *pio_sgl_next(struct isci_stp_request *stp_req)
{
struct scu_sgl_element *sgl;
}
}
+static void isci_request_process_stp_response(struct sas_task *task,
+ void *response_buffer)
+{
+ struct dev_to_host_fis *d2h_reg_fis = response_buffer;
+ struct task_status_struct *ts = &task->task_status;
+ struct ata_task_resp *resp = (void *)&ts->buf[0];
+
+ resp->frame_len = le16_to_cpu(*(__le16 *)(response_buffer + 6));
+ memcpy(&resp->ending_fis[0], response_buffer + 16, 24);
+ ts->buf_valid_size = sizeof(*resp);
+
+ /**
+ * If the device fault bit is set in the status register, then
+ * set the sense data and return.
+ */
+ if (d2h_reg_fis->status & ATA_DF)
+ ts->stat = SAS_PROTO_RESPONSE;
+ else
+ ts->stat = SAM_STAT_GOOD;
+
+ ts->resp = SAS_TASK_COMPLETE;
+}
+
static void isci_request_io_request_complete(struct isci_host *ihost,
struct isci_request *request,
enum sci_io_status completion_status)
return status;
}
-static enum sci_status isci_request_stp_request_construct(
- struct isci_request *request)
+static enum sci_status isci_request_stp_request_construct(struct isci_request *ireq)
{
- struct sas_task *task = isci_request_access_task(request);
+ struct sas_task *task = isci_request_access_task(ireq);
+ struct host_to_dev_fis *fis = &ireq->stp.cmd;
+ struct ata_queued_cmd *qc = task->uldd_task;
enum sci_status status;
- struct host_to_dev_fis *register_fis;
- dev_dbg(&request->isci_host->pdev->dev,
- "%s: request = %p\n",
+ dev_dbg(&ireq->isci_host->pdev->dev,
+ "%s: ireq = %p\n",
__func__,
- request);
-
- /* Get the host_to_dev_fis from the core and copy
- * the fis from the task into it.
- */
- register_fis = isci_sata_task_to_fis_copy(task);
+ ireq);
- status = sci_io_request_construct_basic_sata(request);
+ memcpy(fis, &task->ata_task.fis, sizeof(struct host_to_dev_fis));
+ if (!task->ata_task.device_control_reg_update)
+ fis->flags |= 0x80;
+ fis->flags &= 0xF0;
- /* Set the ncq tag in the fis, from the queue
- * command in the task.
- */
- if (isci_sata_is_task_ncq(task)) {
+ status = sci_io_request_construct_basic_sata(ireq);
- isci_sata_set_ncq_tag(
- register_fis,
- task
- );
+ if (qc && (qc->tf.command == ATA_CMD_FPDMA_WRITE ||
+ qc->tf.command == ATA_CMD_FPDMA_READ)) {
+ fis->sector_count = qc->tag << 3;
+ ireq->tc->type.stp.ncq_tag = qc->tag;
}
return status;
sci_task_request_construct_ssp(struct isci_request *ireq);
enum sci_status
sci_task_request_construct_sata(struct isci_request *ireq);
-void
-sci_stp_io_request_set_ncq_tag(struct isci_request *ireq, u16 ncq_tag);
void sci_smp_request_copy_response(struct isci_request *ireq);
static inline int isci_task_is_ncq_recovery(struct sas_task *task)
+++ /dev/null
-/*
- * 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.
- */
-
-#include <scsi/sas.h>
-#include "isci.h"
-#include "remote_device.h"
-#include "task.h"
-#include "request.h"
-#include "sata.h"
-
-/**
- * isci_sata_task_to_fis_copy() - This function gets the host_to_dev_fis from
- * the core and copies the fis from the task into it.
- * @task: This parameter is a pointer to the task struct from libsas.
- *
- * pointer to the host_to_dev_fis from the core request object.
- */
-struct host_to_dev_fis *isci_sata_task_to_fis_copy(struct sas_task *task)
-{
- struct isci_request *ireq = task->lldd_task;
- struct host_to_dev_fis *fis = &ireq->stp.cmd;
-
- memcpy(fis, &task->ata_task.fis, sizeof(struct host_to_dev_fis));
-
- if (!task->ata_task.device_control_reg_update)
- fis->flags |= 0x80;
-
- fis->flags &= 0xF0;
-
- return fis;
-}
-
-/**
- * isci_sata_is_task_ncq() - This function determines if the given stp task is
- * a ncq request.
- * @task: This parameter is a pointer to the task struct from libsas.
- *
- * true if the task is ncq
- */
-bool isci_sata_is_task_ncq(struct sas_task *task)
-{
- struct ata_queued_cmd *qc = task->uldd_task;
-
- bool ret = (qc &&
- (qc->tf.command == ATA_CMD_FPDMA_WRITE ||
- qc->tf.command == ATA_CMD_FPDMA_READ));
-
- return ret;
-}
-
-/**
- * isci_sata_set_ncq_tag() - This function sets the ncq tag field in the
- * host_to_dev_fis equal to the tag in the queue command in the task.
- * @task: This parameter is a pointer to the task struct from libsas.
- * @register_fis: This parameter is a pointer to the host_to_dev_fis from the
- * core request object.
- *
- */
-void isci_sata_set_ncq_tag(
- struct host_to_dev_fis *register_fis,
- struct sas_task *task)
-{
- struct ata_queued_cmd *qc = task->uldd_task;
- struct isci_request *request = task->lldd_task;
-
- register_fis->sector_count = qc->tag << 3;
- sci_stp_io_request_set_ncq_tag(request, qc->tag);
-}
-
-/**
- * isci_request_process_stp_response() - This function sets the status and
- * response, in the task struct, from the request object for the upper layer
- * driver.
- * @sas_task: This parameter is the task struct from the upper layer driver.
- * @response_buffer: This parameter points to the response of the completed
- * request.
- *
- * none.
- */
-void isci_request_process_stp_response(struct sas_task *task,
- void *response_buffer)
-{
- struct dev_to_host_fis *d2h_reg_fis = response_buffer;
- struct task_status_struct *ts = &task->task_status;
- struct ata_task_resp *resp = (void *)&ts->buf[0];
-
- resp->frame_len = le16_to_cpu(*(__le16 *)(response_buffer + 6));
- memcpy(&resp->ending_fis[0], response_buffer + 16, 24);
- ts->buf_valid_size = sizeof(*resp);
-
- /**
- * If the device fault bit is set in the status register, then
- * set the sense data and return.
- */
- if (d2h_reg_fis->status & ATA_DF)
- ts->stat = SAS_PROTO_RESPONSE;
- else
- ts->stat = SAM_STAT_GOOD;
-
- ts->resp = SAS_TASK_COMPLETE;
-}
-
-enum sci_status isci_sata_management_task_request_build(struct isci_request *ireq)
-{
- struct isci_tmf *isci_tmf;
- enum sci_status status;
-
- if (tmf_task != ireq->ttype)
- return SCI_FAILURE;
-
- isci_tmf = isci_request_access_tmf(ireq);
-
- switch (isci_tmf->tmf_code) {
-
- case isci_tmf_sata_srst_high:
- case isci_tmf_sata_srst_low: {
- struct host_to_dev_fis *fis = &ireq->stp.cmd;
-
- memset(fis, 0, sizeof(*fis));
-
- fis->fis_type = 0x27;
- fis->flags &= ~0x80;
- fis->flags &= 0xF0;
- if (isci_tmf->tmf_code == isci_tmf_sata_srst_high)
- fis->control |= ATA_SRST;
- else
- fis->control &= ~ATA_SRST;
- break;
- }
- /* other management commnd go here... */
- default:
- return SCI_FAILURE;
- }
-
- /* core builds the protocol specific request
- * based on the h2d fis.
- */
- status = sci_task_request_construct_sata(ireq);
-
- return status;
-}
-
-/**
- * isci_task_send_lu_reset_sata() - This function is called by of the SAS
- * Domain Template functions. This is one of the Task Management functoins
- * called by libsas, to reset the given SAS lun. Note the assumption that
- * while this call is executing, no I/O will be sent by the host to the
- * device.
- * @lun: This parameter specifies the lun to be reset.
- *
- * status, zero indicates success.
- */
-int isci_task_send_lu_reset_sata(
- struct isci_host *isci_host,
- struct isci_remote_device *isci_device,
- u8 *lun)
-{
- struct isci_tmf tmf;
- int ret = TMF_RESP_FUNC_FAILED;
-
- /* Send the soft reset to the target */
- #define ISCI_SRST_TIMEOUT_MS 25000 /* 25 second timeout. */
- isci_task_build_tmf(&tmf, isci_tmf_sata_srst_high, NULL, NULL);
-
- ret = isci_task_execute_tmf(isci_host, isci_device, &tmf,
- ISCI_SRST_TIMEOUT_MS);
-
- if (ret != TMF_RESP_FUNC_COMPLETE) {
- dev_warn(&isci_host->pdev->dev,
- "%s: Assert SRST failed (%p) = %x",
- __func__,
- isci_device,
- ret);
-
- /* Return the failure so that the LUN reset is escalated
- * to a target reset.
- */
- }
- return ret;
-}
+++ /dev/null
-/*
- * 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.
- */
-
-struct host_to_dev_fis *isci_sata_task_to_fis_copy(
- struct sas_task *task);
-
-bool isci_sata_is_task_ncq(
- struct sas_task *task);
-
-void isci_sata_set_ncq_tag(
- struct host_to_dev_fis *register_fis,
- struct sas_task *task);
-
-void isci_request_process_stp_response(
- struct sas_task *task,
- void *response_buffer);
-
-u8 isci_sata_get_sat_protocol(
- struct isci_request *isci_request);
-
-enum sci_status isci_sata_management_task_request_build(
- struct isci_request *isci_request);
-
-int isci_task_send_lu_reset_sata(
- struct isci_host *isci_host,
- struct isci_remote_device *isci_device,
- u8 *lun);
#include "remote_node_context.h"
#include "isci.h"
#include "request.h"
-#include "sata.h"
#include "task.h"
#include "host.h"
return 0;
}
+static enum sci_status isci_sata_management_task_request_build(struct isci_request *ireq)
+{
+ struct isci_tmf *isci_tmf;
+ enum sci_status status;
+
+ if (tmf_task != ireq->ttype)
+ return SCI_FAILURE;
+
+ isci_tmf = isci_request_access_tmf(ireq);
+
+ switch (isci_tmf->tmf_code) {
+
+ case isci_tmf_sata_srst_high:
+ case isci_tmf_sata_srst_low: {
+ struct host_to_dev_fis *fis = &ireq->stp.cmd;
+
+ memset(fis, 0, sizeof(*fis));
+
+ fis->fis_type = 0x27;
+ fis->flags &= ~0x80;
+ fis->flags &= 0xF0;
+ if (isci_tmf->tmf_code == isci_tmf_sata_srst_high)
+ fis->control |= ATA_SRST;
+ else
+ fis->control &= ~ATA_SRST;
+ break;
+ }
+ /* other management commnd go here... */
+ default:
+ return SCI_FAILURE;
+ }
+
+ /* core builds the protocol specific request
+ * based on the h2d fis.
+ */
+ status = sci_task_request_construct_sata(ireq);
+
+ return status;
+}
+
static struct isci_request *isci_task_request_build(struct isci_host *ihost,
struct isci_remote_device *idev,
u16 tag, struct isci_tmf *isci_tmf)
return ireq;
}
-int isci_task_execute_tmf(struct isci_host *ihost,
- struct isci_remote_device *idev,
- struct isci_tmf *tmf, unsigned long timeout_ms)
+static int isci_task_execute_tmf(struct isci_host *ihost,
+ struct isci_remote_device *idev,
+ struct isci_tmf *tmf, unsigned long timeout_ms)
{
DECLARE_COMPLETION_ONSTACK(completion);
enum sci_task_status status = SCI_TASK_FAILURE;
return ret;
}
-void isci_task_build_tmf(
- struct isci_tmf *tmf,
- enum isci_tmf_function_codes code,
- void (*tmf_sent_cb)(enum isci_tmf_cb_state,
- struct isci_tmf *,
- void *),
- void *cb_data)
+static void isci_task_build_tmf(struct isci_tmf *tmf,
+ enum isci_tmf_function_codes code,
+ void (*tmf_sent_cb)(enum isci_tmf_cb_state,
+ struct isci_tmf *,
+ void *),
+ void *cb_data)
{
memset(tmf, 0, sizeof(*tmf));
tmf->cb_data = cb_data;
}
-static void isci_task_build_abort_task_tmf(
- struct isci_tmf *tmf,
- enum isci_tmf_function_codes code,
- void (*tmf_sent_cb)(enum isci_tmf_cb_state,
- struct isci_tmf *,
- void *),
- struct isci_request *old_request)
+static void isci_task_build_abort_task_tmf(struct isci_tmf *tmf,
+ enum isci_tmf_function_codes code,
+ void (*tmf_sent_cb)(enum isci_tmf_cb_state,
+ struct isci_tmf *,
+ void *),
+ struct isci_request *old_request)
{
- isci_task_build_tmf(tmf, code, tmf_sent_cb,
- (void *)old_request);
+ isci_task_build_tmf(tmf, code, tmf_sent_cb, old_request);
tmf->io_tag = old_request->io_tag;
}
return ret;
}
+static int isci_task_send_lu_reset_sata(struct isci_host *ihost,
+ struct isci_remote_device *idev, u8 *lun)
+{
+ int ret = TMF_RESP_FUNC_FAILED;
+ struct isci_tmf tmf;
+
+ /* Send the soft reset to the target */
+ #define ISCI_SRST_TIMEOUT_MS 25000 /* 25 second timeout. */
+ isci_task_build_tmf(&tmf, isci_tmf_sata_srst_high, NULL, NULL);
+
+ ret = isci_task_execute_tmf(ihost, idev, &tmf, ISCI_SRST_TIMEOUT_MS);
+
+ if (ret != TMF_RESP_FUNC_COMPLETE) {
+ dev_warn(&ihost->pdev->dev,
+ "%s: Assert SRST failed (%p) = %x",
+ __func__, idev, ret);
+
+ /* Return the failure so that the LUN reset is escalated
+ * to a target reset.
+ */
+ }
+ return ret;
+}
+
/**
* isci_task_lu_reset() - This function is one of the SAS Domain Template
* functions. This is one of the Task Management functoins called by libsas,
int isci_bus_reset_handler(struct scsi_cmnd *cmd);
-void isci_task_build_tmf(
- struct isci_tmf *tmf,
- enum isci_tmf_function_codes code,
- void (*tmf_sent_cb)(enum isci_tmf_cb_state,
- struct isci_tmf *,
- void *),
- void *cb_data);
-
-int isci_task_execute_tmf(struct isci_host *isci_host,
- struct isci_remote_device *idev,
- struct isci_tmf *tmf, unsigned long timeout_ms);
-
/**
* enum isci_completion_selection - This enum defines the possible actions to
* take with respect to a given request's notification back to libsas.
projects / linux-2.6-microblaze.git / commitdiff