575 lines
17 KiB
C
575 lines
17 KiB
C
/*
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* PMC-Sierra SPC 8001 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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/* scsi host attributes */
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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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return snprintf(buf, PAGE_SIZE, "%d\n",
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pm8001_ha->main_cfg_tbl.interface_rev);
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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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* 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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return snprintf(buf, PAGE_SIZE, "%02x.%02x.%02x.%02x\n",
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(u8)(pm8001_ha->main_cfg_tbl.firmware_rev >> 24),
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(u8)(pm8001_ha->main_cfg_tbl.firmware_rev >> 16),
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(u8)(pm8001_ha->main_cfg_tbl.firmware_rev >> 8),
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(u8)(pm8001_ha->main_cfg_tbl.firmware_rev));
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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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* 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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return snprintf(buf, PAGE_SIZE, "%d\n",
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pm8001_ha->main_cfg_tbl.max_out_io);
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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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return snprintf(buf, PAGE_SIZE, "%04d\n",
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(u16)(pm8001_ha->main_cfg_tbl.max_sgl >> 16));
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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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return snprintf(buf, PAGE_SIZE, "%04d\n",
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pm8001_ha->main_cfg_tbl.max_sgl & 0x0000FFFF);
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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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#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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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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return len;
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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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mode = (pm8001_ha->main_cfg_tbl.ctrl_cap_flag & 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_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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* 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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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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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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}
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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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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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}
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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_aap_log_show - IOP 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_iop_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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#define IOP_MEMMAP(r, c) \
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(*(u32 *)((u8*)pm8001_ha->memoryMap.region[IOP].virt_ptr + (r) * 32 \
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+ (c)))
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int i;
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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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IOP_MEMMAP(i, 0),
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IOP_MEMMAP(i, 4),
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IOP_MEMMAP(i, 8),
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IOP_MEMMAP(i, 12),
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IOP_MEMMAP(i, 16),
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IOP_MEMMAP(i, 20),
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IOP_MEMMAP(i, 24),
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IOP_MEMMAP(i, 28));
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}
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return str - buf;
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}
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static DEVICE_ATTR(iop_log, S_IRUGO, pm8001_ctl_iop_log_show, NULL);
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#define FLASH_CMD_NONE 0x00
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#define FLASH_CMD_UPDATE 0x01
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#define FLASH_CMD_SET_NVMD 0x02
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struct flash_command {
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u8 command[8];
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int code;
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};
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static struct flash_command flash_command_table[] =
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{
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{"set_nvmd", FLASH_CMD_SET_NVMD},
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{"update", FLASH_CMD_UPDATE},
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{"", FLASH_CMD_NONE} /* Last entry should be NULL. */
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};
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struct error_fw {
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char *reason;
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int err_code;
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};
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static struct error_fw flash_error_table[] =
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{
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{"Failed to open fw image file", FAIL_OPEN_BIOS_FILE},
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{"image header mismatch", FLASH_UPDATE_HDR_ERR},
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{"image offset mismatch", FLASH_UPDATE_OFFSET_ERR},
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{"image CRC Error", FLASH_UPDATE_CRC_ERR},
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{"image length Error.", FLASH_UPDATE_LENGTH_ERR},
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{"Failed to program flash chip", FLASH_UPDATE_HW_ERR},
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{"Flash chip not supported.", FLASH_UPDATE_DNLD_NOT_SUPPORTED},
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{"Flash update disabled.", FLASH_UPDATE_DISABLED},
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{"Flash in progress", FLASH_IN_PROGRESS},
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{"Image file size Error", FAIL_FILE_SIZE},
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{"Input parameter error", FAIL_PARAMETERS},
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{"Out of memory", FAIL_OUT_MEMORY},
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{"OK", 0} /* Last entry err_code = 0. */
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};
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static int pm8001_set_nvmd(struct pm8001_hba_info *pm8001_ha)
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{
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struct pm8001_ioctl_payload *payload;
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DECLARE_COMPLETION_ONSTACK(completion);
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u8 *ioctlbuffer = NULL;
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u32 length = 0;
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u32 ret = 0;
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length = 1024 * 5 + sizeof(*payload) - 1;
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ioctlbuffer = kzalloc(length, GFP_KERNEL);
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if (!ioctlbuffer)
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return -ENOMEM;
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if ((pm8001_ha->fw_image->size <= 0) ||
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(pm8001_ha->fw_image->size > 4096)) {
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ret = FAIL_FILE_SIZE;
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goto out;
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}
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payload = (struct pm8001_ioctl_payload *)ioctlbuffer;
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memcpy((u8 *)payload->func_specific, (u8 *)pm8001_ha->fw_image->data,
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pm8001_ha->fw_image->size);
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payload->length = pm8001_ha->fw_image->size;
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payload->id = 0;
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pm8001_ha->nvmd_completion = &completion;
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ret = PM8001_CHIP_DISP->set_nvmd_req(pm8001_ha, payload);
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wait_for_completion(&completion);
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out:
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kfree(ioctlbuffer);
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return ret;
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}
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static int pm8001_update_flash(struct pm8001_hba_info *pm8001_ha)
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{
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struct pm8001_ioctl_payload *payload;
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DECLARE_COMPLETION_ONSTACK(completion);
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u8 *ioctlbuffer = NULL;
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u32 length = 0;
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struct fw_control_info *fwControl;
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u32 loopNumber, loopcount = 0;
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u32 sizeRead = 0;
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u32 partitionSize, partitionSizeTmp;
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u32 ret = 0;
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u32 partitionNumber = 0;
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struct pm8001_fw_image_header *image_hdr;
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length = 1024 * 16 + sizeof(*payload) - 1;
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ioctlbuffer = kzalloc(length, GFP_KERNEL);
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image_hdr = (struct pm8001_fw_image_header *)pm8001_ha->fw_image->data;
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if (!ioctlbuffer)
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return -ENOMEM;
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if (pm8001_ha->fw_image->size < 28) {
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ret = FAIL_FILE_SIZE;
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goto out;
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}
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while (sizeRead < pm8001_ha->fw_image->size) {
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partitionSizeTmp =
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*(u32 *)((u8 *)&image_hdr->image_length + sizeRead);
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partitionSize = be32_to_cpu(partitionSizeTmp);
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loopcount = (partitionSize + HEADER_LEN)/IOCTL_BUF_SIZE;
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if (loopcount % IOCTL_BUF_SIZE)
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loopcount++;
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if (loopcount == 0)
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loopcount++;
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for (loopNumber = 0; loopNumber < loopcount; loopNumber++) {
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payload = (struct pm8001_ioctl_payload *)ioctlbuffer;
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payload->length = 1024*16;
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payload->id = 0;
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fwControl =
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(struct fw_control_info *)payload->func_specific;
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fwControl->len = IOCTL_BUF_SIZE; /* IN */
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fwControl->size = partitionSize + HEADER_LEN;/* IN */
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fwControl->retcode = 0;/* OUT */
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fwControl->offset = loopNumber * IOCTL_BUF_SIZE;/*OUT */
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/* for the last chunk of data in case file size is not even with
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4k, load only the rest*/
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if (((loopcount-loopNumber) == 1) &&
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((partitionSize + HEADER_LEN) % IOCTL_BUF_SIZE)) {
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fwControl->len =
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(partitionSize + HEADER_LEN) % IOCTL_BUF_SIZE;
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memcpy((u8 *)fwControl->buffer,
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(u8 *)pm8001_ha->fw_image->data + sizeRead,
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(partitionSize + HEADER_LEN) % IOCTL_BUF_SIZE);
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sizeRead +=
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(partitionSize + HEADER_LEN) % IOCTL_BUF_SIZE;
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} else {
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memcpy((u8 *)fwControl->buffer,
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(u8 *)pm8001_ha->fw_image->data + sizeRead,
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IOCTL_BUF_SIZE);
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sizeRead += IOCTL_BUF_SIZE;
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}
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pm8001_ha->nvmd_completion = &completion;
|
|
ret = PM8001_CHIP_DISP->fw_flash_update_req(pm8001_ha, payload);
|
|
wait_for_completion(&completion);
|
|
if (ret || (fwControl->retcode > FLASH_UPDATE_IN_PROGRESS)) {
|
|
ret = fwControl->retcode;
|
|
kfree(ioctlbuffer);
|
|
ioctlbuffer = NULL;
|
|
break;
|
|
}
|
|
}
|
|
if (ret)
|
|
break;
|
|
partitionNumber++;
|
|
}
|
|
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 err = 0;
|
|
if (!capable(CAP_SYS_ADMIN))
|
|
return -EACCES;
|
|
|
|
cmd_ptr = kzalloc(count*2, GFP_KERNEL);
|
|
|
|
if (!cmd_ptr) {
|
|
err = FAIL_OUT_MEMORY;
|
|
goto out;
|
|
}
|
|
|
|
filename_ptr = cmd_ptr + count;
|
|
res = sscanf(buf, "%s %s", cmd_ptr, filename_ptr);
|
|
if (res != 2) {
|
|
err = FAIL_PARAMETERS;
|
|
goto out1;
|
|
}
|
|
|
|
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) {
|
|
err = FAIL_PARAMETERS;
|
|
goto out1;
|
|
}
|
|
|
|
if (pm8001_ha->fw_status == FLASH_IN_PROGRESS) {
|
|
err = FLASH_IN_PROGRESS;
|
|
goto out1;
|
|
}
|
|
err = request_firmware(&pm8001_ha->fw_image,
|
|
filename_ptr,
|
|
pm8001_ha->dev);
|
|
|
|
if (err) {
|
|
PM8001_FAIL_DBG(pm8001_ha,
|
|
pm8001_printk("Failed to load firmware image file %s,"
|
|
" error %d\n", filename_ptr, err));
|
|
err = FAIL_OPEN_BIOS_FILE;
|
|
goto out1;
|
|
}
|
|
|
|
switch (flash_command) {
|
|
case FLASH_CMD_UPDATE:
|
|
pm8001_ha->fw_status = FLASH_IN_PROGRESS;
|
|
err = pm8001_update_flash(pm8001_ha);
|
|
break;
|
|
case FLASH_CMD_SET_NVMD:
|
|
pm8001_ha->fw_status = FLASH_IN_PROGRESS;
|
|
err = pm8001_set_nvmd(pm8001_ha);
|
|
break;
|
|
default:
|
|
pm8001_ha->fw_status = FAIL_PARAMETERS;
|
|
err = FAIL_PARAMETERS;
|
|
break;
|
|
}
|
|
release_firmware(pm8001_ha->fw_image);
|
|
out1:
|
|
kfree(cmd_ptr);
|
|
out:
|
|
pm8001_ha->fw_status = err;
|
|
|
|
if (!err)
|
|
return count;
|
|
else
|
|
return -err;
|
|
}
|
|
|
|
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_IWUGO,
|
|
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_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,
|
|
NULL,
|
|
};
|
|
|