808 lines
		
	
	
		
			24 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			808 lines
		
	
	
		
			24 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
| /*
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|  * PMC-Sierra 8001/8081/8088/8089 SAS/SATA based host adapters driver
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|  *
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|  * Copyright (c) 2008-2009 USI Co., Ltd.
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|  * All rights reserved.
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|  *
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|  * Redistribution and use in source and binary forms, with or without
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|  * modification, are permitted provided that the following conditions
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|  * are met:
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|  * 1. Redistributions of source code must retain the above copyright
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|  *    notice, this list of conditions, and the following disclaimer,
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|  *    without modification.
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|  * 2. Redistributions in binary form must reproduce at minimum a disclaimer
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|  *    substantially similar to the "NO WARRANTY" disclaimer below
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|  *    ("Disclaimer") and any redistribution must be conditioned upon
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|  *    including a substantially similar Disclaimer requirement for further
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|  *    binary redistribution.
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|  * 3. Neither the names of the above-listed copyright holders nor the names
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|  *    of any contributors may be used to endorse or promote products derived
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|  *    from this software without specific prior written permission.
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|  *
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|  * Alternatively, this software may be distributed under the terms of the
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|  * GNU General Public License ("GPL") version 2 as published by the Free
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|  * Software Foundation.
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|  *
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|  * NO WARRANTY
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|  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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|  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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|  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
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|  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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|  * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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|  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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|  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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|  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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|  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
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|  * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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|  * POSSIBILITY OF SUCH DAMAGES.
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|  *
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|  */
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| #include <linux/firmware.h>
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| #include <linux/slab.h>
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| #include "pm8001_sas.h"
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| #include "pm8001_ctl.h"
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| 
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| /* scsi host attributes */
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| 
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| /**
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|  * pm8001_ctl_mpi_interface_rev_show - MPI interface revision number
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|  * @cdev: pointer to embedded class device
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|  * @buf: the buffer returned
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|  *
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|  * A sysfs 'read-only' shost attribute.
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|  */
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| static ssize_t pm8001_ctl_mpi_interface_rev_show(struct device *cdev,
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| 	struct device_attribute *attr, char *buf)
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| {
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| 	struct Scsi_Host *shost = class_to_shost(cdev);
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| 	struct sas_ha_struct *sha = SHOST_TO_SAS_HA(shost);
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| 	struct pm8001_hba_info *pm8001_ha = sha->lldd_ha;
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| 
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| 	if (pm8001_ha->chip_id == chip_8001) {
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| 		return snprintf(buf, PAGE_SIZE, "%d\n",
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| 			pm8001_ha->main_cfg_tbl.pm8001_tbl.interface_rev);
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| 	} else {
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| 		return snprintf(buf, PAGE_SIZE, "%d\n",
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| 			pm8001_ha->main_cfg_tbl.pm80xx_tbl.interface_rev);
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| 	}
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| }
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| static
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| DEVICE_ATTR(interface_rev, S_IRUGO, pm8001_ctl_mpi_interface_rev_show, NULL);
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| 
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| /**
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|  * pm8001_ctl_fw_version_show - firmware version
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|  * @cdev: pointer to embedded class device
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|  * @buf: the buffer returned
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|  *
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|  * A sysfs 'read-only' shost attribute.
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|  */
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| static ssize_t pm8001_ctl_fw_version_show(struct device *cdev,
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| 	struct device_attribute *attr, char *buf)
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| {
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| 	struct Scsi_Host *shost = class_to_shost(cdev);
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| 	struct sas_ha_struct *sha = SHOST_TO_SAS_HA(shost);
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| 	struct pm8001_hba_info *pm8001_ha = sha->lldd_ha;
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| 
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| 	if (pm8001_ha->chip_id == chip_8001) {
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| 		return snprintf(buf, PAGE_SIZE, "%02x.%02x.%02x.%02x\n",
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| 		(u8)(pm8001_ha->main_cfg_tbl.pm8001_tbl.firmware_rev >> 24),
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| 		(u8)(pm8001_ha->main_cfg_tbl.pm8001_tbl.firmware_rev >> 16),
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| 		(u8)(pm8001_ha->main_cfg_tbl.pm8001_tbl.firmware_rev >> 8),
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| 		(u8)(pm8001_ha->main_cfg_tbl.pm8001_tbl.firmware_rev));
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| 	} else {
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| 		return snprintf(buf, PAGE_SIZE, "%02x.%02x.%02x.%02x\n",
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| 		(u8)(pm8001_ha->main_cfg_tbl.pm80xx_tbl.firmware_rev >> 24),
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| 		(u8)(pm8001_ha->main_cfg_tbl.pm80xx_tbl.firmware_rev >> 16),
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| 		(u8)(pm8001_ha->main_cfg_tbl.pm80xx_tbl.firmware_rev >> 8),
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| 		(u8)(pm8001_ha->main_cfg_tbl.pm80xx_tbl.firmware_rev));
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| 	}
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| }
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| static DEVICE_ATTR(fw_version, S_IRUGO, pm8001_ctl_fw_version_show, NULL);
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| 
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| /**
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|  * pm8001_ctl_ila_version_show - ila version
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|  * @cdev: pointer to embedded class device
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|  * @buf: the buffer returned
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|  *
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|  * A sysfs 'read-only' shost attribute.
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|  */
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| static ssize_t pm8001_ctl_ila_version_show(struct device *cdev,
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| 	struct device_attribute *attr, char *buf)
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| {
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| 	struct Scsi_Host *shost = class_to_shost(cdev);
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| 	struct sas_ha_struct *sha = SHOST_TO_SAS_HA(shost);
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| 	struct pm8001_hba_info *pm8001_ha = sha->lldd_ha;
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| 
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| 	if (pm8001_ha->chip_id != chip_8001) {
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| 		return snprintf(buf, PAGE_SIZE, "%02x.%02x.%02x.%02x\n",
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| 		(u8)(pm8001_ha->main_cfg_tbl.pm80xx_tbl.ila_version >> 24),
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| 		(u8)(pm8001_ha->main_cfg_tbl.pm80xx_tbl.ila_version >> 16),
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| 		(u8)(pm8001_ha->main_cfg_tbl.pm80xx_tbl.ila_version >> 8),
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| 		(u8)(pm8001_ha->main_cfg_tbl.pm80xx_tbl.ila_version));
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| 	}
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| 	return 0;
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| }
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| static DEVICE_ATTR(ila_version, 0444, pm8001_ctl_ila_version_show, NULL);
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| 
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| /**
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|  * pm8001_ctl_inactive_fw_version_show - Inacative firmware version number
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|  * @cdev: pointer to embedded class device
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|  * @buf: the buffer returned
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|  *
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|  * A sysfs 'read-only' shost attribute.
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|  */
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| static ssize_t pm8001_ctl_inactive_fw_version_show(struct device *cdev,
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| 	struct device_attribute *attr, char *buf)
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| {
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| 	struct Scsi_Host *shost = class_to_shost(cdev);
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| 	struct sas_ha_struct *sha = SHOST_TO_SAS_HA(shost);
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| 	struct pm8001_hba_info *pm8001_ha = sha->lldd_ha;
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| 
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| 	if (pm8001_ha->chip_id != chip_8001) {
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| 		return snprintf(buf, PAGE_SIZE, "%02x.%02x.%02x.%02x\n",
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| 		(u8)(pm8001_ha->main_cfg_tbl.pm80xx_tbl.inc_fw_version >> 24),
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| 		(u8)(pm8001_ha->main_cfg_tbl.pm80xx_tbl.inc_fw_version >> 16),
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| 		(u8)(pm8001_ha->main_cfg_tbl.pm80xx_tbl.inc_fw_version >> 8),
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| 		(u8)(pm8001_ha->main_cfg_tbl.pm80xx_tbl.inc_fw_version));
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| 	}
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| 	return 0;
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| }
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| static
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| DEVICE_ATTR(inc_fw_ver, 0444, pm8001_ctl_inactive_fw_version_show, NULL);
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| 
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| /**
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|  * pm8001_ctl_max_out_io_show - max outstanding io supported
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|  * @cdev: pointer to embedded class device
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|  * @buf: the buffer returned
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|  *
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|  * A sysfs 'read-only' shost attribute.
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|  */
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| static ssize_t pm8001_ctl_max_out_io_show(struct device *cdev,
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| 	struct device_attribute *attr, char *buf)
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| {
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| 	struct Scsi_Host *shost = class_to_shost(cdev);
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| 	struct sas_ha_struct *sha = SHOST_TO_SAS_HA(shost);
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| 	struct pm8001_hba_info *pm8001_ha = sha->lldd_ha;
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| 
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| 	if (pm8001_ha->chip_id == chip_8001) {
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| 		return snprintf(buf, PAGE_SIZE, "%d\n",
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| 			pm8001_ha->main_cfg_tbl.pm8001_tbl.max_out_io);
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| 	} else {
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| 		return snprintf(buf, PAGE_SIZE, "%d\n",
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| 			pm8001_ha->main_cfg_tbl.pm80xx_tbl.max_out_io);
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| 	}
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| }
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| static DEVICE_ATTR(max_out_io, S_IRUGO, pm8001_ctl_max_out_io_show, NULL);
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| /**
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|  * pm8001_ctl_max_devices_show - max devices support
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|  * @cdev: pointer to embedded class device
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|  * @buf: the buffer returned
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|  *
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|  * A sysfs 'read-only' shost attribute.
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|  */
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| static ssize_t pm8001_ctl_max_devices_show(struct device *cdev,
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| 	struct device_attribute *attr, char *buf)
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| {
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| 	struct Scsi_Host *shost = class_to_shost(cdev);
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| 	struct sas_ha_struct *sha = SHOST_TO_SAS_HA(shost);
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| 	struct pm8001_hba_info *pm8001_ha = sha->lldd_ha;
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| 
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| 	if (pm8001_ha->chip_id == chip_8001) {
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| 		return snprintf(buf, PAGE_SIZE, "%04d\n",
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| 			(u16)(pm8001_ha->main_cfg_tbl.pm8001_tbl.max_sgl >> 16)
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| 			);
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| 	} else {
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| 		return snprintf(buf, PAGE_SIZE, "%04d\n",
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| 			(u16)(pm8001_ha->main_cfg_tbl.pm80xx_tbl.max_sgl >> 16)
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| 			);
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| 	}
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| }
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| static DEVICE_ATTR(max_devices, S_IRUGO, pm8001_ctl_max_devices_show, NULL);
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| /**
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|  * pm8001_ctl_max_sg_list_show - max sg list supported iff not 0.0 for no
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|  * hardware limitation
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|  * @cdev: pointer to embedded class device
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|  * @buf: the buffer returned
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|  *
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|  * A sysfs 'read-only' shost attribute.
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|  */
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| static ssize_t pm8001_ctl_max_sg_list_show(struct device *cdev,
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| 	struct device_attribute *attr, char *buf)
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| {
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| 	struct Scsi_Host *shost = class_to_shost(cdev);
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| 	struct sas_ha_struct *sha = SHOST_TO_SAS_HA(shost);
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| 	struct pm8001_hba_info *pm8001_ha = sha->lldd_ha;
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| 
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| 	if (pm8001_ha->chip_id == chip_8001) {
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| 		return snprintf(buf, PAGE_SIZE, "%04d\n",
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| 			pm8001_ha->main_cfg_tbl.pm8001_tbl.max_sgl & 0x0000FFFF
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| 			);
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| 	} else {
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| 		return snprintf(buf, PAGE_SIZE, "%04d\n",
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| 			pm8001_ha->main_cfg_tbl.pm80xx_tbl.max_sgl & 0x0000FFFF
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| 			);
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| 	}
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| }
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| static DEVICE_ATTR(max_sg_list, S_IRUGO, pm8001_ctl_max_sg_list_show, NULL);
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| 
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| #define SAS_1_0 0x1
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| #define SAS_1_1 0x2
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| #define SAS_2_0 0x4
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| 
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| static ssize_t
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| show_sas_spec_support_status(unsigned int mode, char *buf)
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| {
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| 	ssize_t len = 0;
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| 
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| 	if (mode & SAS_1_1)
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| 		len = sprintf(buf, "%s", "SAS1.1");
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| 	if (mode & SAS_2_0)
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| 		len += sprintf(buf + len, "%s%s", len ? ", " : "", "SAS2.0");
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| 	len += sprintf(buf + len, "\n");
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| 
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| 	return len;
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| }
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| 
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| /**
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|  * pm8001_ctl_sas_spec_support_show - sas spec supported
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|  * @cdev: pointer to embedded class device
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|  * @buf: the buffer returned
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|  *
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|  * A sysfs 'read-only' shost attribute.
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|  */
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| static ssize_t pm8001_ctl_sas_spec_support_show(struct device *cdev,
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| 	struct device_attribute *attr, char *buf)
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| {
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| 	unsigned int mode;
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| 	struct Scsi_Host *shost = class_to_shost(cdev);
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| 	struct sas_ha_struct *sha = SHOST_TO_SAS_HA(shost);
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| 	struct pm8001_hba_info *pm8001_ha = sha->lldd_ha;
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| 	/* fe000000 means supports SAS2.1 */
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| 	if (pm8001_ha->chip_id == chip_8001)
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| 		mode = (pm8001_ha->main_cfg_tbl.pm8001_tbl.ctrl_cap_flag &
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| 							0xfe000000)>>25;
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| 	else
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| 		/* fe000000 means supports SAS2.1 */
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| 		mode = (pm8001_ha->main_cfg_tbl.pm80xx_tbl.ctrl_cap_flag &
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| 							0xfe000000)>>25;
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| 	return show_sas_spec_support_status(mode, buf);
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| }
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| static DEVICE_ATTR(sas_spec_support, S_IRUGO,
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| 		   pm8001_ctl_sas_spec_support_show, NULL);
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| 
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| /**
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|  * pm8001_ctl_sas_address_show - sas address
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|  * @cdev: pointer to embedded class device
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|  * @buf: the buffer returned
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|  *
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|  * This is the controller sas address
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|  *
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|  * A sysfs 'read-only' shost attribute.
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|  */
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| static ssize_t pm8001_ctl_host_sas_address_show(struct device *cdev,
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| 	struct device_attribute *attr, char *buf)
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| {
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| 	struct Scsi_Host *shost = class_to_shost(cdev);
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| 	struct sas_ha_struct *sha = SHOST_TO_SAS_HA(shost);
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| 	struct pm8001_hba_info *pm8001_ha = sha->lldd_ha;
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| 	return snprintf(buf, PAGE_SIZE, "0x%016llx\n",
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| 			be64_to_cpu(*(__be64 *)pm8001_ha->sas_addr));
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| }
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| static DEVICE_ATTR(host_sas_address, S_IRUGO,
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| 		   pm8001_ctl_host_sas_address_show, NULL);
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| 
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| /**
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|  * pm8001_ctl_logging_level_show - logging level
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|  * @cdev: pointer to embedded class device
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|  * @buf: the buffer returned
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|  *
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|  * A sysfs 'read/write' shost attribute.
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|  */
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| static ssize_t pm8001_ctl_logging_level_show(struct device *cdev,
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| 	struct device_attribute *attr, char *buf)
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| {
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| 	struct Scsi_Host *shost = class_to_shost(cdev);
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| 	struct sas_ha_struct *sha = SHOST_TO_SAS_HA(shost);
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| 	struct pm8001_hba_info *pm8001_ha = sha->lldd_ha;
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| 
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| 	return snprintf(buf, PAGE_SIZE, "%08xh\n", pm8001_ha->logging_level);
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| }
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| static ssize_t pm8001_ctl_logging_level_store(struct device *cdev,
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| 	struct device_attribute *attr, const char *buf, size_t count)
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| {
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| 	struct Scsi_Host *shost = class_to_shost(cdev);
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| 	struct sas_ha_struct *sha = SHOST_TO_SAS_HA(shost);
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| 	struct pm8001_hba_info *pm8001_ha = sha->lldd_ha;
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| 	int val = 0;
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| 
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| 	if (sscanf(buf, "%x", &val) != 1)
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| 		return -EINVAL;
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| 
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| 	pm8001_ha->logging_level = val;
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| 	return strlen(buf);
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| }
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| 
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| static DEVICE_ATTR(logging_level, S_IRUGO | S_IWUSR,
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| 	pm8001_ctl_logging_level_show, pm8001_ctl_logging_level_store);
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| /**
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|  * pm8001_ctl_aap_log_show - aap1 event log
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|  * @cdev: pointer to embedded class device
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|  * @buf: the buffer returned
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|  *
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|  * A sysfs 'read-only' shost attribute.
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|  */
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| static ssize_t pm8001_ctl_aap_log_show(struct device *cdev,
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| 	struct device_attribute *attr, char *buf)
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| {
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| 	struct Scsi_Host *shost = class_to_shost(cdev);
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| 	struct sas_ha_struct *sha = SHOST_TO_SAS_HA(shost);
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| 	struct pm8001_hba_info *pm8001_ha = sha->lldd_ha;
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| 	int i;
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| #define AAP1_MEMMAP(r, c) \
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| 	(*(u32 *)((u8*)pm8001_ha->memoryMap.region[AAP1].virt_ptr + (r) * 32 \
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| 	+ (c)))
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| 
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| 	char *str = buf;
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| 	int max = 2;
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| 	for (i = 0; i < max; i++) {
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| 		str += sprintf(str, "0x%08x 0x%08x 0x%08x 0x%08x 0x%08x 0x%08x"
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| 			       "0x%08x 0x%08x\n",
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| 			       AAP1_MEMMAP(i, 0),
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| 			       AAP1_MEMMAP(i, 4),
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| 			       AAP1_MEMMAP(i, 8),
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| 			       AAP1_MEMMAP(i, 12),
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| 			       AAP1_MEMMAP(i, 16),
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| 			       AAP1_MEMMAP(i, 20),
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| 			       AAP1_MEMMAP(i, 24),
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| 			       AAP1_MEMMAP(i, 28));
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| 	}
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| 
 | |
| 	return str - buf;
 | |
| }
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| static DEVICE_ATTR(aap_log, S_IRUGO, pm8001_ctl_aap_log_show, NULL);
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| /**
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|  * pm8001_ctl_ib_queue_log_show - Out bound Queue log
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|  * @cdev:pointer to embedded class device
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|  * @buf: the buffer returned
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|  * A sysfs 'read-only' shost attribute.
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|  */
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| static ssize_t pm8001_ctl_ib_queue_log_show(struct device *cdev,
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| 	struct device_attribute *attr, char *buf)
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| {
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| 	struct Scsi_Host *shost = class_to_shost(cdev);
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| 	struct sas_ha_struct *sha = SHOST_TO_SAS_HA(shost);
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| 	struct pm8001_hba_info *pm8001_ha = sha->lldd_ha;
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| 	int offset;
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| 	char *str = buf;
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| 	int start = 0;
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| #define IB_MEMMAP(c)	\
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| 		(*(u32 *)((u8 *)pm8001_ha->	\
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| 		memoryMap.region[IB].virt_ptr +	\
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| 		pm8001_ha->evtlog_ib_offset + (c)))
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| 
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| 	for (offset = 0; offset < IB_OB_READ_TIMES; offset++) {
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| 		str += sprintf(str, "0x%08x\n", IB_MEMMAP(start));
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| 		start = start + 4;
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| 	}
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| 	pm8001_ha->evtlog_ib_offset += SYSFS_OFFSET;
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| 	if (((pm8001_ha->evtlog_ib_offset) % (PM80XX_IB_OB_QUEUE_SIZE)) == 0)
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| 		pm8001_ha->evtlog_ib_offset = 0;
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| 
 | |
| 	return str - buf;
 | |
| }
 | |
| 
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| static DEVICE_ATTR(ib_log, S_IRUGO, pm8001_ctl_ib_queue_log_show, NULL);
 | |
| /**
 | |
|  * pm8001_ctl_ob_queue_log_show - Out bound Queue log
 | |
|  * @cdev:pointer to embedded class device
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|  * @buf: the buffer returned
 | |
|  * A sysfs 'read-only' shost attribute.
 | |
|  */
 | |
| 
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| static ssize_t pm8001_ctl_ob_queue_log_show(struct device *cdev,
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| 	struct device_attribute *attr, char *buf)
 | |
| {
 | |
| 	struct Scsi_Host *shost = class_to_shost(cdev);
 | |
| 	struct sas_ha_struct *sha = SHOST_TO_SAS_HA(shost);
 | |
| 	struct pm8001_hba_info *pm8001_ha = sha->lldd_ha;
 | |
| 	int offset;
 | |
| 	char *str = buf;
 | |
| 	int start = 0;
 | |
| #define OB_MEMMAP(c)	\
 | |
| 		(*(u32 *)((u8 *)pm8001_ha->	\
 | |
| 		memoryMap.region[OB].virt_ptr +	\
 | |
| 		pm8001_ha->evtlog_ob_offset + (c)))
 | |
| 
 | |
| 	for (offset = 0; offset < IB_OB_READ_TIMES; offset++) {
 | |
| 		str += sprintf(str, "0x%08x\n", OB_MEMMAP(start));
 | |
| 		start = start + 4;
 | |
| 	}
 | |
| 	pm8001_ha->evtlog_ob_offset += SYSFS_OFFSET;
 | |
| 	if (((pm8001_ha->evtlog_ob_offset) % (PM80XX_IB_OB_QUEUE_SIZE)) == 0)
 | |
| 		pm8001_ha->evtlog_ob_offset = 0;
 | |
| 
 | |
| 	return str - buf;
 | |
| }
 | |
| static DEVICE_ATTR(ob_log, S_IRUGO, pm8001_ctl_ob_queue_log_show, NULL);
 | |
| /**
 | |
|  * pm8001_ctl_bios_version_show - Bios version Display
 | |
|  * @cdev:pointer to embedded class device
 | |
|  * @buf:the buffer returned
 | |
|  * A sysfs 'read-only' shost attribute.
 | |
|  */
 | |
| static ssize_t pm8001_ctl_bios_version_show(struct device *cdev,
 | |
| 	struct device_attribute *attr, char *buf)
 | |
| {
 | |
| 	struct Scsi_Host *shost = class_to_shost(cdev);
 | |
| 	struct sas_ha_struct *sha = SHOST_TO_SAS_HA(shost);
 | |
| 	struct pm8001_hba_info *pm8001_ha = sha->lldd_ha;
 | |
| 	char *str = buf;
 | |
| 	int bios_index;
 | |
| 	DECLARE_COMPLETION_ONSTACK(completion);
 | |
| 	struct pm8001_ioctl_payload payload;
 | |
| 
 | |
| 	pm8001_ha->nvmd_completion = &completion;
 | |
| 	payload.minor_function = 7;
 | |
| 	payload.offset = 0;
 | |
| 	payload.length = 4096;
 | |
| 	payload.func_specific = kzalloc(4096, GFP_KERNEL);
 | |
| 	if (!payload.func_specific)
 | |
| 		return -ENOMEM;
 | |
| 	if (PM8001_CHIP_DISP->get_nvmd_req(pm8001_ha, &payload)) {
 | |
| 		kfree(payload.func_specific);
 | |
| 		return -ENOMEM;
 | |
| 	}
 | |
| 	wait_for_completion(&completion);
 | |
| 	for (bios_index = BIOSOFFSET; bios_index < BIOS_OFFSET_LIMIT;
 | |
| 		bios_index++)
 | |
| 		str += sprintf(str, "%c",
 | |
| 			*(payload.func_specific+bios_index));
 | |
| 	kfree(payload.func_specific);
 | |
| 	return str - buf;
 | |
| }
 | |
| static DEVICE_ATTR(bios_version, S_IRUGO, pm8001_ctl_bios_version_show, NULL);
 | |
| /**
 | |
|  * pm8001_ctl_aap_log_show - IOP event log
 | |
|  * @cdev: pointer to embedded class device
 | |
|  * @buf: the buffer returned
 | |
|  *
 | |
|  * A sysfs 'read-only' shost attribute.
 | |
|  */
 | |
| static ssize_t pm8001_ctl_iop_log_show(struct device *cdev,
 | |
| 	struct device_attribute *attr, char *buf)
 | |
| {
 | |
| 	struct Scsi_Host *shost = class_to_shost(cdev);
 | |
| 	struct sas_ha_struct *sha = SHOST_TO_SAS_HA(shost);
 | |
| 	struct pm8001_hba_info *pm8001_ha = sha->lldd_ha;
 | |
| #define IOP_MEMMAP(r, c) \
 | |
| 	(*(u32 *)((u8*)pm8001_ha->memoryMap.region[IOP].virt_ptr + (r) * 32 \
 | |
| 	+ (c)))
 | |
| 	int i;
 | |
| 	char *str = buf;
 | |
| 	int max = 2;
 | |
| 	for (i = 0; i < max; i++) {
 | |
| 		str += sprintf(str, "0x%08x 0x%08x 0x%08x 0x%08x 0x%08x 0x%08x"
 | |
| 			       "0x%08x 0x%08x\n",
 | |
| 			       IOP_MEMMAP(i, 0),
 | |
| 			       IOP_MEMMAP(i, 4),
 | |
| 			       IOP_MEMMAP(i, 8),
 | |
| 			       IOP_MEMMAP(i, 12),
 | |
| 			       IOP_MEMMAP(i, 16),
 | |
| 			       IOP_MEMMAP(i, 20),
 | |
| 			       IOP_MEMMAP(i, 24),
 | |
| 			       IOP_MEMMAP(i, 28));
 | |
| 	}
 | |
| 
 | |
| 	return str - buf;
 | |
| }
 | |
| static DEVICE_ATTR(iop_log, S_IRUGO, pm8001_ctl_iop_log_show, NULL);
 | |
| 
 | |
| /**
 | |
|  ** pm8001_ctl_fatal_log_show - fatal error logging
 | |
|  ** @cdev:pointer to embedded class device
 | |
|  ** @buf: the buffer returned
 | |
|  **
 | |
|  ** A sysfs 'read-only' shost attribute.
 | |
|  **/
 | |
| 
 | |
| static ssize_t pm8001_ctl_fatal_log_show(struct device *cdev,
 | |
| 	struct device_attribute *attr, char *buf)
 | |
| {
 | |
| 	ssize_t count;
 | |
| 
 | |
| 	count = pm80xx_get_fatal_dump(cdev, attr, buf);
 | |
| 	return count;
 | |
| }
 | |
| 
 | |
| static DEVICE_ATTR(fatal_log, S_IRUGO, pm8001_ctl_fatal_log_show, NULL);
 | |
| 
 | |
| 
 | |
| /**
 | |
|  ** pm8001_ctl_gsm_log_show - gsm dump collection
 | |
|  ** @cdev:pointer to embedded class device
 | |
|  ** @buf: the buffer returned
 | |
|  **A sysfs 'read-only' shost attribute.
 | |
|  **/
 | |
| static ssize_t pm8001_ctl_gsm_log_show(struct device *cdev,
 | |
| 	struct device_attribute *attr, char *buf)
 | |
| {
 | |
| 	ssize_t count;
 | |
| 
 | |
| 	count = pm8001_get_gsm_dump(cdev, SYSFS_OFFSET, buf);
 | |
| 	return count;
 | |
| }
 | |
| 
 | |
| static DEVICE_ATTR(gsm_log, S_IRUGO, pm8001_ctl_gsm_log_show, NULL);
 | |
| 
 | |
| #define FLASH_CMD_NONE      0x00
 | |
| #define FLASH_CMD_UPDATE    0x01
 | |
| #define FLASH_CMD_SET_NVMD    0x02
 | |
| 
 | |
| struct flash_command {
 | |
|      u8      command[8];
 | |
|      int     code;
 | |
| };
 | |
| 
 | |
| static struct flash_command flash_command_table[] =
 | |
| {
 | |
|      {"set_nvmd",    FLASH_CMD_SET_NVMD},
 | |
|      {"update",      FLASH_CMD_UPDATE},
 | |
|      {"",            FLASH_CMD_NONE} /* Last entry should be NULL. */
 | |
| };
 | |
| 
 | |
| struct error_fw {
 | |
|      char    *reason;
 | |
|      int     err_code;
 | |
| };
 | |
| 
 | |
| static struct error_fw flash_error_table[] =
 | |
| {
 | |
|      {"Failed to open fw image file",	FAIL_OPEN_BIOS_FILE},
 | |
|      {"image header mismatch",		FLASH_UPDATE_HDR_ERR},
 | |
|      {"image offset mismatch",		FLASH_UPDATE_OFFSET_ERR},
 | |
|      {"image CRC Error",		FLASH_UPDATE_CRC_ERR},
 | |
|      {"image length Error.",		FLASH_UPDATE_LENGTH_ERR},
 | |
|      {"Failed to program flash chip",	FLASH_UPDATE_HW_ERR},
 | |
|      {"Flash chip not supported.",	FLASH_UPDATE_DNLD_NOT_SUPPORTED},
 | |
|      {"Flash update disabled.",		FLASH_UPDATE_DISABLED},
 | |
|      {"Flash in progress",		FLASH_IN_PROGRESS},
 | |
|      {"Image file size Error",		FAIL_FILE_SIZE},
 | |
|      {"Input parameter error",		FAIL_PARAMETERS},
 | |
|      {"Out of memory",			FAIL_OUT_MEMORY},
 | |
|      {"OK", 0}	/* Last entry err_code = 0. */
 | |
| };
 | |
| 
 | |
| static int pm8001_set_nvmd(struct pm8001_hba_info *pm8001_ha)
 | |
| {
 | |
| 	struct pm8001_ioctl_payload	*payload;
 | |
| 	DECLARE_COMPLETION_ONSTACK(completion);
 | |
| 	u8		*ioctlbuffer;
 | |
| 	u32		ret;
 | |
| 	u32		length = 1024 * 5 + sizeof(*payload) - 1;
 | |
| 
 | |
| 	if (pm8001_ha->fw_image->size > 4096) {
 | |
| 		pm8001_ha->fw_status = FAIL_FILE_SIZE;
 | |
| 		return -EFAULT;
 | |
| 	}
 | |
| 
 | |
| 	ioctlbuffer = kzalloc(length, GFP_KERNEL);
 | |
| 	if (!ioctlbuffer) {
 | |
| 		pm8001_ha->fw_status = FAIL_OUT_MEMORY;
 | |
| 		return -ENOMEM;
 | |
| 	}
 | |
| 	payload = (struct pm8001_ioctl_payload *)ioctlbuffer;
 | |
| 	memcpy((u8 *)&payload->func_specific, (u8 *)pm8001_ha->fw_image->data,
 | |
| 				pm8001_ha->fw_image->size);
 | |
| 	payload->length = pm8001_ha->fw_image->size;
 | |
| 	payload->id = 0;
 | |
| 	payload->minor_function = 0x1;
 | |
| 	pm8001_ha->nvmd_completion = &completion;
 | |
| 	ret = PM8001_CHIP_DISP->set_nvmd_req(pm8001_ha, payload);
 | |
| 	if (ret) {
 | |
| 		pm8001_ha->fw_status = FAIL_OUT_MEMORY;
 | |
| 		goto out;
 | |
| 	}
 | |
| 	wait_for_completion(&completion);
 | |
| out:
 | |
| 	kfree(ioctlbuffer);
 | |
| 	return ret;
 | |
| }
 | |
| 
 | |
| static int pm8001_update_flash(struct pm8001_hba_info *pm8001_ha)
 | |
| {
 | |
| 	struct pm8001_ioctl_payload	*payload;
 | |
| 	DECLARE_COMPLETION_ONSTACK(completion);
 | |
| 	u8		*ioctlbuffer;
 | |
| 	struct fw_control_info	*fwControl;
 | |
| 	u32		partitionSize, partitionSizeTmp;
 | |
| 	u32		loopNumber, loopcount;
 | |
| 	struct pm8001_fw_image_header *image_hdr;
 | |
| 	u32		sizeRead = 0;
 | |
| 	u32		ret = 0;
 | |
| 	u32		length = 1024 * 16 + sizeof(*payload) - 1;
 | |
| 
 | |
| 	if (pm8001_ha->fw_image->size < 28) {
 | |
| 		pm8001_ha->fw_status = FAIL_FILE_SIZE;
 | |
| 		return -EFAULT;
 | |
| 	}
 | |
| 	ioctlbuffer = kzalloc(length, GFP_KERNEL);
 | |
| 	if (!ioctlbuffer) {
 | |
| 		pm8001_ha->fw_status = FAIL_OUT_MEMORY;
 | |
| 		return -ENOMEM;
 | |
| 	}
 | |
| 	image_hdr = (struct pm8001_fw_image_header *)pm8001_ha->fw_image->data;
 | |
| 	while (sizeRead < pm8001_ha->fw_image->size) {
 | |
| 		partitionSizeTmp =
 | |
| 			*(u32 *)((u8 *)&image_hdr->image_length + sizeRead);
 | |
| 		partitionSize = be32_to_cpu(partitionSizeTmp);
 | |
| 		loopcount = DIV_ROUND_UP(partitionSize + HEADER_LEN,
 | |
| 					IOCTL_BUF_SIZE);
 | |
| 		for (loopNumber = 0; loopNumber < loopcount; loopNumber++) {
 | |
| 			payload = (struct pm8001_ioctl_payload *)ioctlbuffer;
 | |
| 			payload->length = 1024*16;
 | |
| 			payload->id = 0;
 | |
| 			fwControl =
 | |
| 			      (struct fw_control_info *)&payload->func_specific;
 | |
| 			fwControl->len = IOCTL_BUF_SIZE;   /* IN */
 | |
| 			fwControl->size = partitionSize + HEADER_LEN;/* IN */
 | |
| 			fwControl->retcode = 0;/* OUT */
 | |
| 			fwControl->offset = loopNumber * IOCTL_BUF_SIZE;/*OUT */
 | |
| 
 | |
| 		/* for the last chunk of data in case file size is not even with
 | |
| 		4k, load only the rest*/
 | |
| 		if (((loopcount-loopNumber) == 1) &&
 | |
| 			((partitionSize + HEADER_LEN) % IOCTL_BUF_SIZE)) {
 | |
| 			fwControl->len =
 | |
| 				(partitionSize + HEADER_LEN) % IOCTL_BUF_SIZE;
 | |
| 			memcpy((u8 *)fwControl->buffer,
 | |
| 				(u8 *)pm8001_ha->fw_image->data + sizeRead,
 | |
| 				(partitionSize + HEADER_LEN) % IOCTL_BUF_SIZE);
 | |
| 			sizeRead +=
 | |
| 				(partitionSize + HEADER_LEN) % IOCTL_BUF_SIZE;
 | |
| 		} else {
 | |
| 			memcpy((u8 *)fwControl->buffer,
 | |
| 				(u8 *)pm8001_ha->fw_image->data + sizeRead,
 | |
| 				IOCTL_BUF_SIZE);
 | |
| 			sizeRead += IOCTL_BUF_SIZE;
 | |
| 		}
 | |
| 
 | |
| 		pm8001_ha->nvmd_completion = &completion;
 | |
| 		ret = PM8001_CHIP_DISP->fw_flash_update_req(pm8001_ha, payload);
 | |
| 		if (ret) {
 | |
| 			pm8001_ha->fw_status = FAIL_OUT_MEMORY;
 | |
| 			goto out;
 | |
| 		}
 | |
| 		wait_for_completion(&completion);
 | |
| 		if (fwControl->retcode > FLASH_UPDATE_IN_PROGRESS) {
 | |
| 			pm8001_ha->fw_status = fwControl->retcode;
 | |
| 			ret = -EFAULT;
 | |
| 			goto out;
 | |
| 		}
 | |
| 		}
 | |
| 	}
 | |
| out:
 | |
| 	kfree(ioctlbuffer);
 | |
| 	return ret;
 | |
| }
 | |
| static ssize_t pm8001_store_update_fw(struct device *cdev,
 | |
| 				      struct device_attribute *attr,
 | |
| 				      const char *buf, size_t count)
 | |
| {
 | |
| 	struct Scsi_Host *shost = class_to_shost(cdev);
 | |
| 	struct sas_ha_struct *sha = SHOST_TO_SAS_HA(shost);
 | |
| 	struct pm8001_hba_info *pm8001_ha = sha->lldd_ha;
 | |
| 	char *cmd_ptr, *filename_ptr;
 | |
| 	int res, i;
 | |
| 	int flash_command = FLASH_CMD_NONE;
 | |
| 	int ret;
 | |
| 
 | |
| 	if (!capable(CAP_SYS_ADMIN))
 | |
| 		return -EACCES;
 | |
| 
 | |
| 	/* this test protects us from running two flash processes at once,
 | |
| 	 * so we should start with this test */
 | |
| 	if (pm8001_ha->fw_status == FLASH_IN_PROGRESS)
 | |
| 		return -EINPROGRESS;
 | |
| 	pm8001_ha->fw_status = FLASH_IN_PROGRESS;
 | |
| 
 | |
| 	cmd_ptr = kcalloc(count, 2, GFP_KERNEL);
 | |
| 	if (!cmd_ptr) {
 | |
| 		pm8001_ha->fw_status = FAIL_OUT_MEMORY;
 | |
| 		return -ENOMEM;
 | |
| 	}
 | |
| 
 | |
| 	filename_ptr = cmd_ptr + count;
 | |
| 	res = sscanf(buf, "%s %s", cmd_ptr, filename_ptr);
 | |
| 	if (res != 2) {
 | |
| 		pm8001_ha->fw_status = FAIL_PARAMETERS;
 | |
| 		ret = -EINVAL;
 | |
| 		goto out;
 | |
| 	}
 | |
| 
 | |
| 	for (i = 0; flash_command_table[i].code != FLASH_CMD_NONE; i++) {
 | |
| 		if (!memcmp(flash_command_table[i].command,
 | |
| 				 cmd_ptr, strlen(cmd_ptr))) {
 | |
| 			flash_command = flash_command_table[i].code;
 | |
| 			break;
 | |
| 		}
 | |
| 	}
 | |
| 	if (flash_command == FLASH_CMD_NONE) {
 | |
| 		pm8001_ha->fw_status = FAIL_PARAMETERS;
 | |
| 		ret = -EINVAL;
 | |
| 		goto out;
 | |
| 	}
 | |
| 
 | |
| 	ret = request_firmware(&pm8001_ha->fw_image,
 | |
| 			       filename_ptr,
 | |
| 			       pm8001_ha->dev);
 | |
| 
 | |
| 	if (ret) {
 | |
| 		PM8001_FAIL_DBG(pm8001_ha,
 | |
| 			pm8001_printk(
 | |
| 			"Failed to load firmware image file %s,	error %d\n",
 | |
| 			filename_ptr, ret));
 | |
| 		pm8001_ha->fw_status = FAIL_OPEN_BIOS_FILE;
 | |
| 		goto out;
 | |
| 	}
 | |
| 
 | |
| 	if (FLASH_CMD_UPDATE == flash_command)
 | |
| 		ret = pm8001_update_flash(pm8001_ha);
 | |
| 	else
 | |
| 		ret = pm8001_set_nvmd(pm8001_ha);
 | |
| 
 | |
| 	release_firmware(pm8001_ha->fw_image);
 | |
| out:
 | |
| 	kfree(cmd_ptr);
 | |
| 
 | |
| 	if (ret)
 | |
| 		return ret;
 | |
| 
 | |
| 	pm8001_ha->fw_status = FLASH_OK;
 | |
| 	return count;
 | |
| }
 | |
| 
 | |
| static ssize_t pm8001_show_update_fw(struct device *cdev,
 | |
| 				     struct device_attribute *attr, char *buf)
 | |
| {
 | |
| 	int i;
 | |
| 	struct Scsi_Host *shost = class_to_shost(cdev);
 | |
| 	struct sas_ha_struct *sha = SHOST_TO_SAS_HA(shost);
 | |
| 	struct pm8001_hba_info *pm8001_ha = sha->lldd_ha;
 | |
| 
 | |
| 	for (i = 0; flash_error_table[i].err_code != 0; i++) {
 | |
| 		if (flash_error_table[i].err_code == pm8001_ha->fw_status)
 | |
| 			break;
 | |
| 	}
 | |
| 	if (pm8001_ha->fw_status != FLASH_IN_PROGRESS)
 | |
| 		pm8001_ha->fw_status = FLASH_OK;
 | |
| 
 | |
| 	return snprintf(buf, PAGE_SIZE, "status=%x %s\n",
 | |
| 			flash_error_table[i].err_code,
 | |
| 			flash_error_table[i].reason);
 | |
| }
 | |
| 
 | |
| static DEVICE_ATTR(update_fw, S_IRUGO|S_IWUSR|S_IWGRP,
 | |
| 	pm8001_show_update_fw, pm8001_store_update_fw);
 | |
| struct device_attribute *pm8001_host_attrs[] = {
 | |
| 	&dev_attr_interface_rev,
 | |
| 	&dev_attr_fw_version,
 | |
| 	&dev_attr_update_fw,
 | |
| 	&dev_attr_aap_log,
 | |
| 	&dev_attr_iop_log,
 | |
| 	&dev_attr_fatal_log,
 | |
| 	&dev_attr_gsm_log,
 | |
| 	&dev_attr_max_out_io,
 | |
| 	&dev_attr_max_devices,
 | |
| 	&dev_attr_max_sg_list,
 | |
| 	&dev_attr_sas_spec_support,
 | |
| 	&dev_attr_logging_level,
 | |
| 	&dev_attr_host_sas_address,
 | |
| 	&dev_attr_bios_version,
 | |
| 	&dev_attr_ib_log,
 | |
| 	&dev_attr_ob_log,
 | |
| 	&dev_attr_ila_version,
 | |
| 	&dev_attr_inc_fw_ver,
 | |
| 	NULL,
 | |
| };
 | |
| 
 | 
