Merge branch 'wip-2.6.34' into old-private-masterarchived-private-master

1 files changed, 574 insertions, 0 deletions

diff --git a/drivers/scsi/pm8001/pm8001_ctl.c b/drivers/scsi/pm8001/pm8001_ctl.c
new file mode 100644
index 000000000000..45bc197bc22f
--- /dev/null
+++ b/drivers/scsi/pm8001/pm8001_ctl.c
@@ -0,0 +1,574 @@
+/*
+ * PMC-Sierra SPC 8001 SAS/SATA based host adapters driver
+ *
+ * Copyright (c) 2008-2009 USI Co., Ltd.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions, and the following disclaimer,
+ *    without modification.
+ * 2. Redistributions in binary form must reproduce at minimum a disclaimer
+ *    substantially similar to the "NO WARRANTY" disclaimer below
+ *    ("Disclaimer") and any redistribution must be conditioned upon
+ *    including a substantially similar Disclaimer requirement for further
+ *    binary redistribution.
+ * 3. Neither the names of the above-listed copyright holders nor the names
+ *    of any contributors may be used to endorse or promote products derived
+ *    from this software without specific prior written permission.
+ *
+ * Alternatively, this software may be distributed under the terms of the
+ * GNU General Public License ("GPL") version 2 as published by the Free
+ * Software Foundation.
+ *
+ * NO WARRANTY
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
+ * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGES.
+ *
+ */
+#include <linux/firmware.h>
+#include <linux/slab.h>
+#include "pm8001_sas.h"
+#include "pm8001_ctl.h"
+
+/* scsi host attributes */
+
+/**
+ * pm8001_ctl_mpi_interface_rev_show - MPI interface revision number
+ * @cdev: pointer to embedded class device
+ * @buf: the buffer returned
+ *
+ * A sysfs 'read-only' shost attribute.
+ */
+static ssize_t pm8001_ctl_mpi_interface_rev_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.interface_rev);
+}
+static
+DEVICE_ATTR(interface_rev, S_IRUGO, pm8001_ctl_mpi_interface_rev_show, NULL);
+
+/**
+ * pm8001_ctl_fw_version_show - firmware version
+ * @cdev: pointer to embedded class device
+ * @buf: the buffer returned
+ *
+ * A sysfs 'read-only' shost attribute.
+ */
+static ssize_t pm8001_ctl_fw_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;
+
+        return snprintf(buf, PAGE_SIZE, "%02x.%02x.%02x.%02x\n",
+                       (u8)(pm8001_ha->main_cfg_tbl.firmware_rev >> 24),
+                       (u8)(pm8001_ha->main_cfg_tbl.firmware_rev >> 16),
+                       (u8)(pm8001_ha->main_cfg_tbl.firmware_rev >> 8),
+                       (u8)(pm8001_ha->main_cfg_tbl.firmware_rev));
+}
+static DEVICE_ATTR(fw_version, S_IRUGO, pm8001_ctl_fw_version_show, NULL);
+/**
+ * pm8001_ctl_max_out_io_show - max outstanding io supported
+ * @cdev: pointer to embedded class device
+ * @buf: the buffer returned
+ *
+ * A sysfs 'read-only' shost attribute.
+ */
+static ssize_t pm8001_ctl_max_out_io_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.max_out_io);
+}
+static DEVICE_ATTR(max_out_io, S_IRUGO, pm8001_ctl_max_out_io_show, NULL);
+/**
+ * pm8001_ctl_max_devices_show - max devices support
+ * @cdev: pointer to embedded class device
+ * @buf: the buffer returned
+ *
+ * A sysfs 'read-only' shost attribute.
+ */
+static ssize_t pm8001_ctl_max_devices_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, "%04d\n",
+                        (u16)(pm8001_ha->main_cfg_tbl.max_sgl >> 16));
+}
+static DEVICE_ATTR(max_devices, S_IRUGO, pm8001_ctl_max_devices_show, NULL);
+/**
+ * pm8001_ctl_max_sg_list_show - max sg list supported iff not 0.0 for no
+ * hardware limitation
+ * @cdev: pointer to embedded class device
+ * @buf: the buffer returned
+ *
+ * A sysfs 'read-only' shost attribute.
+ */
+static ssize_t pm8001_ctl_max_sg_list_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, "%04d\n",
+                        pm8001_ha->main_cfg_tbl.max_sgl & 0x0000FFFF);
+}
+static DEVICE_ATTR(max_sg_list, S_IRUGO, pm8001_ctl_max_sg_list_show, NULL);
+
+#define SAS_1_0 0x1
+#define SAS_1_1 0x2
+#define SAS_2_0 0x4
+
+static ssize_t
+show_sas_spec_support_status(unsigned int mode, char *buf)
+{
+        ssize_t len = 0;
+
+        if (mode & SAS_1_1)
+                len = sprintf(buf, "%s", "SAS1.1");
+        if (mode & SAS_2_0)
+                len += sprintf(buf + len, "%s%s", len ? ", " : "", "SAS2.0");
+        len += sprintf(buf + len, "\n");
+
+        return len;
+}
+
+/**
+ * pm8001_ctl_sas_spec_support_show - sas spec supported
+ * @cdev: pointer to embedded class device
+ * @buf: the buffer returned
+ *
+ * A sysfs 'read-only' shost attribute.
+ */
+static ssize_t pm8001_ctl_sas_spec_support_show(struct device *cdev,
+        struct device_attribute *attr, char *buf)
+{
+        unsigned int mode;
+        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;
+        mode = (pm8001_ha->main_cfg_tbl.ctrl_cap_flag & 0xfe000000)>>25;
+        return show_sas_spec_support_status(mode, buf);
+}
+static DEVICE_ATTR(sas_spec_support, S_IRUGO,
+                   pm8001_ctl_sas_spec_support_show, NULL);
+
+/**
+ * pm8001_ctl_sas_address_show - sas address
+ * @cdev: pointer to embedded class device
+ * @buf: the buffer returned
+ *
+ * This is the controller sas address
+ *
+ * A sysfs 'read-only' shost attribute.
+ */
+static ssize_t pm8001_ctl_host_sas_address_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, "0x%016llx\n",
+                        be64_to_cpu(*(__be64 *)pm8001_ha->sas_addr));
+}
+static DEVICE_ATTR(host_sas_address, S_IRUGO,
+                   pm8001_ctl_host_sas_address_show, NULL);
+
+/**
+ * pm8001_ctl_logging_level_show - logging level
+ * @cdev: pointer to embedded class device
+ * @buf: the buffer returned
+ *
+ * A sysfs 'read/write' shost attribute.
+ */
+static ssize_t pm8001_ctl_logging_level_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, "%08xh\n", pm8001_ha->logging_level);
+}
+static ssize_t pm8001_ctl_logging_level_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 (sscanf(buf, "%x", &val) != 1)
+                return -EINVAL;
+
+        pm8001_ha->logging_level = val;
+        return strlen(buf);
+}
+
+static DEVICE_ATTR(logging_level, S_IRUGO | S_IWUSR,
+        pm8001_ctl_logging_level_show, pm8001_ctl_logging_level_store);
+/**
+ * pm8001_ctl_aap_log_show - aap1 event log
+ * @cdev: pointer to embedded class device
+ * @buf: the buffer returned
+ *
+ * A sysfs 'read-only' shost attribute.
+ */
+static ssize_t pm8001_ctl_aap_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 i;
+#define AAP1_MEMMAP(r, c) \
+        (*(u32 *)((u8*)pm8001_ha->memoryMap.region[AAP1].virt_ptr + (r) * 32 \
+        + (c)))
+
+        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",
+                               AAP1_MEMMAP(i, 0),
+                               AAP1_MEMMAP(i, 4),
+                               AAP1_MEMMAP(i, 8),
+                               AAP1_MEMMAP(i, 12),
+                               AAP1_MEMMAP(i, 16),
+                               AAP1_MEMMAP(i, 20),
+                               AAP1_MEMMAP(i, 24),
+                               AAP1_MEMMAP(i, 28));
+        }
+
+        return str - buf;
+}
+static DEVICE_ATTR(aap_log, S_IRUGO, pm8001_ctl_aap_log_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);
+
+#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 = NULL;
+        u32             length = 0;
+        u32             ret = 0;
+
+        length = 1024 * 5 + sizeof(*payload) - 1;
+        ioctlbuffer = kzalloc(length, GFP_KERNEL);
+        if (!ioctlbuffer)
+                return -ENOMEM;
+        if ((pm8001_ha->fw_image->size <= 0) ||
+            (pm8001_ha->fw_image->size > 4096)) {
+                ret = FAIL_FILE_SIZE;
+                goto out;
+        }
+        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;
+        pm8001_ha->nvmd_completion = &completion;
+        ret = PM8001_CHIP_DISP->set_nvmd_req(pm8001_ha, payload);
+        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 = NULL;
+        u32             length = 0;
+        struct fw_control_info  *fwControl;
+        u32             loopNumber, loopcount = 0;
+        u32             sizeRead = 0;
+        u32             partitionSize, partitionSizeTmp;
+        u32             ret = 0;
+        u32             partitionNumber = 0;
+        struct pm8001_fw_image_header *image_hdr;
+
+        length = 1024 * 16 + sizeof(*payload) - 1;
+        ioctlbuffer = kzalloc(length, GFP_KERNEL);
+        image_hdr = (struct pm8001_fw_image_header *)pm8001_ha->fw_image->data;
+        if (!ioctlbuffer)
+                return -ENOMEM;
+        if (pm8001_ha->fw_image->size < 28) {
+                ret = FAIL_FILE_SIZE;
+                goto out;
+        }
+
+        while (sizeRead < pm8001_ha->fw_image->size) {
+                partitionSizeTmp =
+                        *(u32 *)((u8 *)&image_hdr->image_length + sizeRead);
+                partitionSize = be32_to_cpu(partitionSizeTmp);
+                loopcount = (partitionSize + HEADER_LEN)/IOCTL_BUF_SIZE;
+                if (loopcount % IOCTL_BUF_SIZE)
+                        loopcount++;
+                if (loopcount == 0)
+                        loopcount++;
+                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);
+                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,
+};
+