1/ sata protocol detection
2/ "firmware" for feeding the driver sas address and phy settings until
platform firmware provides the same.
Signed-off-by: Dan Williams <dan.j.williams@xxxxxxxxx>
---
drivers/scsi/isci/firmware/Makefile | 19 ++
drivers/scsi/isci/firmware/README | 36 +++
drivers/scsi/isci/firmware/create_fw.c | 177 ++++++++++++++++
drivers/scsi/isci/sata.c | 356 ++++++++++++++++++++++++++++++++
drivers/scsi/isci/sata.h | 83 +++++++
drivers/scsi/isci/sci_environment.h | 112 ++++++++++
6 files changed, 783 insertions(+), 0 deletions(-)
create mode 100644 drivers/scsi/isci/firmware/Makefile
create mode 100644 drivers/scsi/isci/firmware/README
create mode 100644 drivers/scsi/isci/firmware/create_fw.c
create mode 100644 drivers/scsi/isci/sata.c
create mode 100644 drivers/scsi/isci/sata.h
create mode 100644 drivers/scsi/isci/sci_environment.h
diff --git a/drivers/scsi/isci/firmware/Makefile b/drivers/scsi/isci/firmware/Makefile
new file mode 100644
index 0000000..5f54461
--- /dev/null
+++ b/drivers/scsi/isci/firmware/Makefile
@@ -0,0 +1,19 @@
+# Makefile for create_fw
+#
+CC=gcc
+CFLAGS=-c -Wall -O2 -g
+LDFLAGS=
+SOURCES=create_fw.c
+OBJECTS=$(SOURCES:.cpp=.o)
+EXECUTABLE=create_fw
+
+all: $(SOURCES) $(EXECUTABLE)
+
+$(EXECUTABLE): $(OBJECTS)
+ $(CC) $(LDFLAGS) $(OBJECTS) -o $@
+
+.c.o:
+ $(CC) $(CFLAGS) $< -O $@
+
+clean:
+ rm -f *.o $(EXECUTABLE)
diff --git a/drivers/scsi/isci/firmware/README b/drivers/scsi/isci/firmware/README
new file mode 100644
index 0000000..cf7e428
--- /dev/null
+++ b/drivers/scsi/isci/firmware/README
@@ -0,0 +1,36 @@
+This defines the temporary binary blow we are to pass to the SCU
+driver to emulate the binary firmware that we will eventually be
+able to access via NVRAM on the SCU controller.
+
+The current size of the binary blob is expected to be 149 bytes or larger
+
+Header Types:
+0x1: Phy Masks
+0x2: Phy Gens
+0x3: SAS Addrs
+0xff: End of Data
+
+ID string - u8[12]: "#SCU MAGIC#\0"
+Version - u8: 1
+SubVersion - u8: 0
+
+Header Type - u8: 0x1
+Size - u8: 8
+Phy Mask - u32[8]
+
+Header Type - u8: 0x2
+Size - u8: 8
+Phy Gen - u32[8]
+
+Header Type - u8: 0x3
+Size - u8: 8
+Sas Addr - u64[8]
+
+Header Type - u8: 0xf
+
+
+==============================================================================
+
+Place isci_firmware.bin in /lib/firmware
+Be sure to recreate the initramfs image to include the firmware.
+
diff --git a/drivers/scsi/isci/firmware/create_fw.c b/drivers/scsi/isci/firmware/create_fw.c
new file mode 100644
index 0000000..442caac
--- /dev/null
+++ b/drivers/scsi/isci/firmware/create_fw.c
@@ -0,0 +1,177 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <fcntl.h>
+#include <string.h>
+#include <errno.h>
+
+char blob_name[] = "isci_firmware.bin";
+char id[] = "#SCU MAGIC#";
+unsigned char version = 1;
+unsigned char sub_version = 0;
+
+
+/*
+ * For all defined arrays:
+ * elements 0-3 are for SCU0, ports 0-3
+ * elements 4-7 are for SCU1, ports 0-3
+ *
+ * valid configurations for one SCU are:
+ * P0 P1 P2 P3
+ * ----------------
+ * 0xF,0x0,0x0,0x0 # 1 x4 port
+ * 0x3,0x0,0x4,0x8 # Phys 0 and 1 are a x2 port, phy 2 and phy 3 are each x1
+ * # ports
+ * 0x1,0x2,0xC,0x0 # Phys 0 and 1 are each x1 ports, phy 2 and phy 3 are a x2
+ * # port
+ * 0x3,0x0,0xC,0x0 # Phys 0 and 1 are a x2 port, phy 2 and phy 3 are a x2 port
+ * 0x1,0x2,0x4,0x8 # Each phy is a x1 port (this is the default configuration)
+ *
+ * if there is a port/phy on which you do not wish to override the default
+ * values, use the value assigned to UNINIT_PARAM (255).
+ */
+unsigned int phy_mask[] = { 1, 2, 4, 8, 1, 2, 4, 8 };
+
+
+/* denotes SAS generation. i.e. 3: SAS Gen 3 6G */
+unsigned int phy_gen[] = { 3, 3, 3, 3, 3, 3, 3, 3 };
+
+/*
+ * if there is a port/phy on which you do not wish to override the default
+ * values, use the value "0000000000000000". SAS address of zero's is
+ * considered invalid and will not be used.
+ */
+unsigned long long sas_addr[] = { 0x5FCFFFFFF0000000ULL,
+ 0x5FCFFFFFF1000000ULL,
+ 0x5FCFFFFFF2000000ULL,
+ 0x5FCFFFFFF3000000ULL,
+ 0x5FCFFFFFF4000000ULL,
+ 0x5FCFFFFFF5000000ULL,
+ 0x5FCFFFFFF6000000ULL,
+ 0x5FCFFFFFF7000000ULL };
+
+int write_blob(void)
+{
+ FILE *fd;
+ int err;
+
+ fd = fopen(blob_name, "w+");
+ if (!fd) {
+ perror("Open file for write failed");
+ return -EIO;
+ }
+
+ /* write id */
+ err = fwrite((void *)id, sizeof(char), strlen(id)+1, fd);
+ if (err == 0) {
+ perror("write id failed");
+ return err;
+ }
+
+ /* write version */
+ err = fwrite((void *)&version, sizeof(version), 1, fd);
+ if (err == 0) {
+ perror("write version failed");
+ return err;
+ }
+
+ /* write sub version */
+ err = fwrite((void *)&sub_version, sizeof(sub_version), 1, fd);
+ if (err == 0) {
+ perror("write subversion failed");
+ return err;
+ }
+
+ /* write phy mask header */
+ err = fputc(0x1, fd);
+ if (err == EOF) {
+ perror("write phy mask header failed");
+ return -EIO;
+ }
+
+ /* write size */
+ err = fputc(8, fd);
+ if (err == EOF) {
+ perror("write phy mask size failed");
+ return -EIO;
+ }
+
+ /* write phy masks */
+ err = fwrite((void *)phy_mask, 1, sizeof(phy_mask), fd);
+ if (err == 0) {
+ perror("write phy_mask failed");
+ return err;
+ }
+
+ /* write phy gen header */
+ err = fputc(0x2, fd);
+ if (err == EOF) {
+ perror("write phy gen header failed");
+ return -EIO;
+ }
+
+ /* write size */
+ err = fputc(8, fd);
+ if (err == EOF) {
+ perror("write phy gen size failed");
+ return -EIO;
+ }
+
+ /* write phy_gen */
+ err = fwrite((void *)phy_gen,
+ 1,
+ sizeof(phy_gen),
+ fd);
+ if (err == 0) {
+ perror("write phy_gen failed");
+ return err;
+ }
+
+ /* write phy gen header */
+ err = fputc(0x3, fd);
+ if (err == EOF) {
+ perror("write sas addr header failed");
+ return -EIO;
+ }
+
+ /* write size */
+ err = fputc(8, fd);
+ if (err == EOF) {
+ perror("write sas addr size failed");
+ return -EIO;
+ }
+
+ /* write sas_addr */
+ err = fwrite((void *)sas_addr,
+ 1,
+ sizeof(sas_addr),
+ fd);
+ if (err == 0) {
+ perror("write sas_addr failed");
+ return err;
+ }
+
+ /* write end header */
+ err = fputc(0xff, fd);
+ if (err == EOF) {
+ perror("write end header failed");
+ return -EIO;
+ }
+
+ fclose(fd);
+
+ return 0;
+}
+
+int main(void)
+{
+ int err;
+
+ err = write_blob();
+ if (err < 0)
+ return err;
+
+ return 0;
+}
diff --git a/drivers/scsi/isci/sata.c b/drivers/scsi/isci/sata.c
new file mode 100644
index 0000000..19b0eea
--- /dev/null
+++ b/drivers/scsi/isci/sata.c
@@ -0,0 +1,356 @@
+/*
+ * 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 "isci.h"
+#include "scic_remote_device.h"
+#include "scic_sds_remote_device.h"
+#include "scic_io_request.h"
+#include "scic_task_request.h"
+#include "task.h"
+#include "request.h"
+#include "sata.h"
+#include "intel_sat.h"
+#include "intel_ata.h"
+
+static u8 isci_sata_get_management_task_protocol(struct isci_tmf *tmf);
+
+
+/**
+ * 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 *request = task->lldd_task;
+ struct host_to_dev_fis *register_fis =
+ scic_stp_io_request_get_h2d_reg_address(
+ request->sci_request_handle
+ );
+
+ memcpy(
+ (u8 *)register_fis,
+ (u8 *)&task->ata_task.fis,
+ sizeof(struct host_to_dev_fis)
+ );
+
+ if (!task->ata_task.device_control_reg_update)
+ register_fis->flags |= 0x80;
+
+ register_fis->flags &= 0xF0;
+
+ return register_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;
+ scic_stp_io_request_set_ncq_tag(request->sci_request_handle, 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 sata_fis_reg_d2h *d2h_reg_fis = (struct sata_fis_reg_d2h *)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_STATUS_REG_DEVICE_FAULT_BIT)
+ ts->stat = SAS_PROTO_RESPONSE;
+ else
+ ts->stat = SAM_STAT_GOOD;
+
+ ts->resp = SAS_TASK_COMPLETE;
+}
+
+/**
+ * isci_sata_get_sat_protocol() - retrieve the sat protocol for the request
+ * @isci_request: ata request
+ *
+ * Note: temporary implementation until expert mode removes the callback
+ *
+ */
+u8 isci_sata_get_sat_protocol(struct isci_request *isci_request)
+{
+ struct sas_task *task;
+ struct domain_device *dev;
+
+ dev_dbg(&isci_request->isci_host->pdev->dev,
+ "%s: isci_request = %p, ttype = %d\n",
+ __func__, isci_request, isci_request->ttype);
+
+ if (tmf_task == isci_request->ttype) {
+ struct isci_tmf *tmf = isci_request_access_tmf(isci_request);
+
+ return isci_sata_get_management_task_protocol(tmf);
+ }
+
+ task = isci_request_access_task(isci_request);
+ dev = task->dev;
+
+ if (!sas_protocol_ata(task->task_proto)) {
+ WARN(1, "unhandled task protocol\n");
+ return SAT_PROTOCOL_NON_DATA;
+ }
+
+ if (task->data_dir == DMA_NONE)
+ return SAT_PROTOCOL_NON_DATA;
+
+ /* the "_IN" protocol types are equivalent to their "_OUT"
+ * analogs as far as the core is concerned
+ */
+ if (dev->sata_dev.command_set == ATAPI_COMMAND_SET) {
+ if (task->ata_task.dma_xfer)
+ return SAT_PROTOCOL_PACKET_DMA_DATA_IN;
+ else
+ return SAT_PROTOCOL_PACKET_PIO_DATA_IN;
+ }
+
+ if (task->ata_task.use_ncq)
+ return SAT_PROTOCOL_FPDMA;
+
+ if (task->ata_task.dma_xfer)
+ return SAT_PROTOCOL_UDMA_DATA_IN;
+ else
+ return SAT_PROTOCOL_PIO_DATA_IN;
+}
+
+static u8 isci_sata_get_management_task_protocol(
+ struct isci_tmf *tmf)
+{
+ u8 ret = 0;
+
+ pr_warn("tmf = %p, func = %d\n", tmf, tmf->tmf_code);
+
+ if ((tmf->tmf_code == isci_tmf_sata_srst_high) ||
+ (tmf->tmf_code == isci_tmf_sata_srst_low)) {
+ pr_warn("%s: tmf->tmf_code == TMF_LU_RESET\n", __func__);
+ ret = SAT_PROTOCOL_SOFT_RESET;
+ }
+
+ return ret;
+}
+
+enum sci_status isci_sata_management_task_request_build(
+ struct isci_request *isci_request)
+{
+ struct isci_tmf *isci_tmf;
+ enum sci_status status;
+
+ if (tmf_task != isci_request->ttype)
+ return SCI_FAILURE;
+
+ isci_tmf = isci_request_access_tmf(isci_request);
+
+ switch (isci_tmf->tmf_code) {
+
+ case isci_tmf_sata_srst_high:
+ case isci_tmf_sata_srst_low:
+ {
+ struct host_to_dev_fis *register_fis =
+ scic_stp_io_request_get_h2d_reg_address(
+ isci_request->sci_request_handle
+ );
+
+ memset(register_fis, 0, sizeof(*register_fis));
+
+ register_fis->fis_type = 0x27;
+ register_fis->flags &= ~0x80;
+ register_fis->flags &= 0xF0;
+ if (isci_tmf->tmf_code == isci_tmf_sata_srst_high)
+ register_fis->control |= ATA_SRST;
+ else
+ register_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 = scic_task_request_construct_sata(
+ isci_request->sci_request_handle
+ );
+
+ 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;
+ unsigned long flags;
+
+ /* Send the initial SRST to the target */
+ #define ISCI_SRST_TIMEOUT_MS 20 /* 20 ms timeout. */
+ isci_task_build_tmf(&tmf, isci_device, isci_tmf_sata_srst_high,
+ NULL, NULL
+ );
+
+ ret = isci_task_execute_tmf(isci_host, &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.
+ */
+ goto out;
+ }
+
+ /* Leave SRST high for a bit. */
+ #define ISCI_SRST_ASSERT_DELAY 100 /* usecs */
+ scic_cb_stall_execution(ISCI_SRST_ASSERT_DELAY);
+
+ /* Deassert SRST. */
+ isci_task_build_tmf(&tmf, isci_device, isci_tmf_sata_srst_low,
+ NULL, NULL
+ );
+ ret = isci_task_execute_tmf(isci_host, &tmf, ISCI_SRST_TIMEOUT_MS);
+
+ if (ret == TMF_RESP_FUNC_COMPLETE)
+ dev_dbg(&isci_host->pdev->dev,
+ "%s: SATA LUN reset passed (%p)\n",
+ __func__,
+ isci_device);
+ else
+ dev_warn(&isci_host->pdev->dev,
+ "%s: Deassert SRST failed (%p)=%x\n",
+ __func__,
+ isci_device,
+ ret);
+
+ out:
+ spin_lock_irqsave(&isci_host->scic_lock, flags);
+
+ /* Resume the device. */
+ scic_sds_remote_device_resume(isci_device->sci_device_handle);
+
+ spin_unlock_irqrestore(&isci_host->scic_lock, flags);
+
+ return ret;
+}
diff --git a/drivers/scsi/isci/sata.h b/drivers/scsi/isci/sata.h
new file mode 100644
index 0000000..b6ba25b
--- /dev/null
+++ b/drivers/scsi/isci/sata.h
@@ -0,0 +1,83 @@
+/*
+ * 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 "intel_sat.h"
+
+
+
+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);
diff --git a/drivers/scsi/isci/sci_environment.h b/drivers/scsi/isci/sci_environment.h
new file mode 100644
index 0000000..e1020ee
--- /dev/null
+++ b/drivers/scsi/isci/sci_environment.h
@@ -0,0 +1,112 @@
+/*
+ * 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_ENVIRONMENT_H_
+#define _SCI_ENVIRONMENT_H_
+
+#include "isci.h"
+
+struct scic_sds_controller;
+struct scic_sds_phy;
+struct scic_sds_port;
+struct scic_sds_remote_device;
+
+static inline struct device *scic_to_dev(struct scic_sds_controller *scic)
+{
+ struct isci_host *isci_host = sci_object_get_association(scic);
+
+ return &isci_host->pdev->dev;
+}
+
+static inline struct device *sciphy_to_dev(struct scic_sds_phy *sci_phy)
+{
+ struct isci_phy *iphy = sci_object_get_association(sci_phy);
+
+ if (!iphy || !iphy->isci_port || !iphy->isci_port->isci_host)
+ return NULL;
+
+ return &iphy->isci_port->isci_host->pdev->dev;
+}
+
+static inline struct device *sciport_to_dev(struct scic_sds_port *sci_port)
+{
+ struct isci_port *iport = sci_object_get_association(sci_port);
+
+ if (!iport || !iport->isci_host)
+ return NULL;
+
+ return &iport->isci_host->pdev->dev;
+}
+
+static inline struct device *scirdev_to_dev(struct scic_sds_remote_device *sci_dev)
+{
+ struct isci_remote_device *idev = sci_object_get_association(sci_dev);
+
+ if (!idev || !idev->isci_port || !idev->isci_port->isci_host)
+ return NULL;
+
+ return &idev->isci_port->isci_host->pdev->dev;
+}
+
+enum {
+ ISCI_SI_REVA0,
+ ISCI_SI_REVA2,
+ ISCI_SI_REVB0,
+};
+
+extern int isci_si_rev;
+
+
+#endif
--
To unsubscribe from this list: send the line "unsubscribe linux-scsi" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
