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1043 lines
32 KiB
1043 lines
32 KiB
/* |
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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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#include "pm8001_chips.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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* @attr: device attribute (unused) |
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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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* controller_fatal_error_show - check controller is under fatal err |
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* @cdev: pointer to embedded class device |
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* @attr: device attribute (unused) |
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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 controller_fatal_error_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, "%d\n", |
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pm8001_ha->controller_fatal_error); |
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} |
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static DEVICE_ATTR_RO(controller_fatal_error); |
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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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* @attr: device attribute (unused) |
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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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* @attr: device attribute (unused) |
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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 - Inactive firmware version number |
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* @cdev: pointer to embedded class device |
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* @attr: device attribute (unused) |
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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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* @attr: device attribute (unused) |
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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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* @attr: device attribute (unused) |
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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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* @attr: device attribute (unused) |
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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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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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* @attr: device attribute (unused) |
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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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* pm8001_ctl_host_sas_address_show - sas address |
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* @cdev: pointer to embedded class device |
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* @attr: device attribute (unused) |
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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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* pm8001_ctl_logging_level_show - logging level |
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* @cdev: pointer to embedded class device |
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* @attr: device attribute (unused) |
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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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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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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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if (sscanf(buf, "%x", &val) != 1) |
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return -EINVAL; |
|
|
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pm8001_ha->logging_level = val; |
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return strlen(buf); |
|
} |
|
|
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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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* pm8001_ctl_aap_log_show - aap1 event log |
|
* @cdev: pointer to embedded class device |
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* @attr: device attribute (unused) |
|
* @buf: the buffer returned |
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* |
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* A sysfs 'read-only' shost attribute. |
|
*/ |
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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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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; |
|
u8 *ptr = (u8 *)pm8001_ha->memoryMap.region[AAP1].virt_ptr; |
|
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", |
|
pm8001_ctl_aap1_memmap(ptr, i, 0), |
|
pm8001_ctl_aap1_memmap(ptr, i, 4), |
|
pm8001_ctl_aap1_memmap(ptr, i, 8), |
|
pm8001_ctl_aap1_memmap(ptr, i, 12), |
|
pm8001_ctl_aap1_memmap(ptr, i, 16), |
|
pm8001_ctl_aap1_memmap(ptr, i, 20), |
|
pm8001_ctl_aap1_memmap(ptr, i, 24), |
|
pm8001_ctl_aap1_memmap(ptr, i, 28)); |
|
} |
|
|
|
return str - buf; |
|
} |
|
static DEVICE_ATTR(aap_log, S_IRUGO, pm8001_ctl_aap_log_show, NULL); |
|
/** |
|
* pm8001_ctl_ib_queue_log_show - Out bound Queue log |
|
* @cdev:pointer to embedded class device |
|
* @attr: device attribute (unused) |
|
* @buf: the buffer returned |
|
* |
|
* A sysfs 'read-only' shost attribute. |
|
*/ |
|
static ssize_t pm8001_ctl_ib_queue_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; |
|
int offset; |
|
char *str = buf; |
|
int start = 0; |
|
u32 ib_offset = pm8001_ha->ib_offset; |
|
u32 queue_size = pm8001_ha->max_q_num * PM8001_MPI_QUEUE * 128; |
|
#define IB_MEMMAP(c) \ |
|
(*(u32 *)((u8 *)pm8001_ha-> \ |
|
memoryMap.region[ib_offset].virt_ptr + \ |
|
pm8001_ha->evtlog_ib_offset + (c))) |
|
|
|
for (offset = 0; offset < IB_OB_READ_TIMES; offset++) { |
|
str += sprintf(str, "0x%08x\n", IB_MEMMAP(start)); |
|
start = start + 4; |
|
} |
|
pm8001_ha->evtlog_ib_offset += SYSFS_OFFSET; |
|
if (((pm8001_ha->evtlog_ib_offset) % queue_size) == 0) |
|
pm8001_ha->evtlog_ib_offset = 0; |
|
|
|
return str - buf; |
|
} |
|
|
|
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 |
|
* @attr: device attribute (unused) |
|
* @buf: the buffer returned |
|
* |
|
* A sysfs 'read-only' shost attribute. |
|
*/ |
|
|
|
static ssize_t pm8001_ctl_ob_queue_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; |
|
int offset; |
|
char *str = buf; |
|
int start = 0; |
|
u32 ob_offset = pm8001_ha->ob_offset; |
|
u32 queue_size = pm8001_ha->max_q_num * PM8001_MPI_QUEUE * 128; |
|
#define OB_MEMMAP(c) \ |
|
(*(u32 *)((u8 *)pm8001_ha-> \ |
|
memoryMap.region[ob_offset].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) % 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 |
|
* @attr: device attribute (unused) |
|
* @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.rd_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); |
|
/** |
|
* event_log_size_show - event log size |
|
* @cdev: pointer to embedded class device |
|
* @attr: device attribute (unused) |
|
* @buf: the buffer returned |
|
* |
|
* A sysfs read shost attribute. |
|
*/ |
|
static ssize_t event_log_size_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; |
|
|
|
return snprintf(buf, PAGE_SIZE, "%d\n", |
|
pm8001_ha->main_cfg_tbl.pm80xx_tbl.event_log_size); |
|
} |
|
static DEVICE_ATTR_RO(event_log_size); |
|
/** |
|
* pm8001_ctl_iop_log_show - IOP event log |
|
* @cdev: pointer to embedded class device |
|
* @attr: device attribute (unused) |
|
* @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; |
|
char *str = buf; |
|
u32 read_size = |
|
pm8001_ha->main_cfg_tbl.pm80xx_tbl.event_log_size / 1024; |
|
static u32 start, end, count; |
|
u32 max_read_times = 32; |
|
u32 max_count = (read_size * 1024) / (max_read_times * 4); |
|
u32 *temp = (u32 *)pm8001_ha->memoryMap.region[IOP].virt_ptr; |
|
|
|
if ((count % max_count) == 0) { |
|
start = 0; |
|
end = max_read_times; |
|
count = 0; |
|
} else { |
|
start = end; |
|
end = end + max_read_times; |
|
} |
|
|
|
for (; start < end; start++) |
|
str += sprintf(str, "%08x ", *(temp+start)); |
|
count++; |
|
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 |
|
* @attr: device attribute |
|
* @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); |
|
|
|
/** |
|
* non_fatal_log_show - non fatal error logging |
|
* @cdev:pointer to embedded class device |
|
* @attr: device attribute |
|
* @buf: the buffer returned |
|
* |
|
* A sysfs 'read-only' shost attribute. |
|
*/ |
|
static ssize_t non_fatal_log_show(struct device *cdev, |
|
struct device_attribute *attr, char *buf) |
|
{ |
|
u32 count; |
|
|
|
count = pm80xx_get_non_fatal_dump(cdev, attr, buf); |
|
return count; |
|
} |
|
static DEVICE_ATTR_RO(non_fatal_log); |
|
|
|
static ssize_t non_fatal_count_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; |
|
|
|
return snprintf(buf, PAGE_SIZE, "%08x", |
|
pm8001_ha->non_fatal_count); |
|
} |
|
|
|
static ssize_t non_fatal_count_store(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; |
|
int val = 0; |
|
|
|
if (kstrtoint(buf, 16, &val) != 0) |
|
return -EINVAL; |
|
|
|
pm8001_ha->non_fatal_count = val; |
|
return strlen(buf); |
|
} |
|
static DEVICE_ATTR_RW(non_fatal_count); |
|
|
|
/** |
|
* pm8001_ctl_gsm_log_show - gsm dump collection |
|
* @cdev:pointer to embedded class device |
|
* @attr: device attribute (unused) |
|
* @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 const 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 const 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->wr_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->wr_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_dbg(pm8001_ha, FAIL, |
|
"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); |
|
|
|
static const char *const mpiStateText[] = { |
|
"MPI is not initialized", |
|
"MPI is successfully initialized", |
|
"MPI termination is in progress", |
|
"MPI initialization failed with error in [31:16]" |
|
}; |
|
|
|
/** |
|
* ctl_mpi_state_show - controller MPI state check |
|
* @cdev: pointer to embedded class device |
|
* @attr: device attribute (unused) |
|
* @buf: the buffer returned |
|
* |
|
* A sysfs 'read-only' shost attribute. |
|
*/ |
|
static ssize_t ctl_mpi_state_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; |
|
unsigned int mpidw0; |
|
|
|
mpidw0 = pm8001_mr32(pm8001_ha->general_stat_tbl_addr, 0); |
|
return sysfs_emit(buf, "%s\n", mpiStateText[mpidw0 & 0x0003]); |
|
} |
|
static DEVICE_ATTR_RO(ctl_mpi_state); |
|
|
|
/** |
|
* ctl_hmi_error_show - controller MPI initialization fails |
|
* @cdev: pointer to embedded class device |
|
* @attr: device attribute (unused) |
|
* @buf: the buffer returned |
|
* |
|
* A sysfs 'read-only' shost attribute. |
|
*/ |
|
static ssize_t ctl_hmi_error_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; |
|
unsigned int mpidw0; |
|
|
|
mpidw0 = pm8001_mr32(pm8001_ha->general_stat_tbl_addr, 0); |
|
return sysfs_emit(buf, "0x%08x\n", (mpidw0 >> 16)); |
|
} |
|
static DEVICE_ATTR_RO(ctl_hmi_error); |
|
|
|
/** |
|
* ctl_raae_count_show - controller raae count check |
|
* @cdev: pointer to embedded class device |
|
* @attr: device attribute (unused) |
|
* @buf: the buffer returned |
|
* |
|
* A sysfs 'read-only' shost attribute. |
|
*/ |
|
static ssize_t ctl_raae_count_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; |
|
unsigned int raaecnt; |
|
|
|
raaecnt = pm8001_mr32(pm8001_ha->general_stat_tbl_addr, 12); |
|
return sysfs_emit(buf, "0x%08x\n", raaecnt); |
|
} |
|
static DEVICE_ATTR_RO(ctl_raae_count); |
|
|
|
/** |
|
* ctl_iop0_count_show - controller iop0 count check |
|
* @cdev: pointer to embedded class device |
|
* @attr: device attribute (unused) |
|
* @buf: the buffer returned |
|
* |
|
* A sysfs 'read-only' shost attribute. |
|
*/ |
|
static ssize_t ctl_iop0_count_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; |
|
unsigned int iop0cnt; |
|
|
|
iop0cnt = pm8001_mr32(pm8001_ha->general_stat_tbl_addr, 16); |
|
return sysfs_emit(buf, "0x%08x\n", iop0cnt); |
|
} |
|
static DEVICE_ATTR_RO(ctl_iop0_count); |
|
|
|
/** |
|
* ctl_iop1_count_show - controller iop1 count check |
|
* @cdev: pointer to embedded class device |
|
* @attr: device attribute (unused) |
|
* @buf: the buffer returned |
|
* |
|
* A sysfs 'read-only' shost attribute. |
|
*/ |
|
static ssize_t ctl_iop1_count_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; |
|
unsigned int iop1cnt; |
|
|
|
iop1cnt = pm8001_mr32(pm8001_ha->general_stat_tbl_addr, 20); |
|
return sysfs_emit(buf, "0x%08x\n", iop1cnt); |
|
|
|
} |
|
static DEVICE_ATTR_RO(ctl_iop1_count); |
|
|
|
static struct attribute *pm8001_host_attrs[] = { |
|
&dev_attr_interface_rev.attr, |
|
&dev_attr_controller_fatal_error.attr, |
|
&dev_attr_fw_version.attr, |
|
&dev_attr_update_fw.attr, |
|
&dev_attr_aap_log.attr, |
|
&dev_attr_iop_log.attr, |
|
&dev_attr_fatal_log.attr, |
|
&dev_attr_non_fatal_log.attr, |
|
&dev_attr_non_fatal_count.attr, |
|
&dev_attr_gsm_log.attr, |
|
&dev_attr_max_out_io.attr, |
|
&dev_attr_max_devices.attr, |
|
&dev_attr_max_sg_list.attr, |
|
&dev_attr_sas_spec_support.attr, |
|
&dev_attr_logging_level.attr, |
|
&dev_attr_event_log_size.attr, |
|
&dev_attr_host_sas_address.attr, |
|
&dev_attr_bios_version.attr, |
|
&dev_attr_ib_log.attr, |
|
&dev_attr_ob_log.attr, |
|
&dev_attr_ila_version.attr, |
|
&dev_attr_inc_fw_ver.attr, |
|
&dev_attr_ctl_mpi_state.attr, |
|
&dev_attr_ctl_hmi_error.attr, |
|
&dev_attr_ctl_raae_count.attr, |
|
&dev_attr_ctl_iop0_count.attr, |
|
&dev_attr_ctl_iop1_count.attr, |
|
NULL, |
|
}; |
|
|
|
static const struct attribute_group pm8001_host_attr_group = { |
|
.attrs = pm8001_host_attrs |
|
}; |
|
|
|
const struct attribute_group *pm8001_host_groups[] = { |
|
&pm8001_host_attr_group, |
|
NULL |
|
};
|
|
|