/* * PMC-Sierra 8001/8081/8088/8089 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 * @attr: device attribute (unused) * @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; if (pm8001_ha->chip_id == chip_8001) { return snprintf(buf, PAGE_SIZE, "%d\n", pm8001_ha->main_cfg_tbl.pm8001_tbl.interface_rev); } else { return snprintf(buf, PAGE_SIZE, "%d\n", pm8001_ha->main_cfg_tbl.pm80xx_tbl.interface_rev); } } static DEVICE_ATTR(interface_rev, S_IRUGO, pm8001_ctl_mpi_interface_rev_show, NULL); /** * controller_fatal_error_show - check controller is under fatal err * @cdev: pointer to embedded class device * @attr: device attribute (unused) * @buf: the buffer returned * * A sysfs 'read only' shost attribute. */ static ssize_t controller_fatal_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; return snprintf(buf, PAGE_SIZE, "%d\n", pm8001_ha->controller_fatal_error); } static DEVICE_ATTR_RO(controller_fatal_error); /** * pm8001_ctl_fw_version_show - firmware version * @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_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; if (pm8001_ha->chip_id == chip_8001) { return snprintf(buf, PAGE_SIZE, "%02x.%02x.%02x.%02x\n", (u8)(pm8001_ha->main_cfg_tbl.pm8001_tbl.firmware_rev >> 24), (u8)(pm8001_ha->main_cfg_tbl.pm8001_tbl.firmware_rev >> 16), (u8)(pm8001_ha->main_cfg_tbl.pm8001_tbl.firmware_rev >> 8), (u8)(pm8001_ha->main_cfg_tbl.pm8001_tbl.firmware_rev)); } else { return snprintf(buf, PAGE_SIZE, "%02x.%02x.%02x.%02x\n", (u8)(pm8001_ha->main_cfg_tbl.pm80xx_tbl.firmware_rev >> 24), (u8)(pm8001_ha->main_cfg_tbl.pm80xx_tbl.firmware_rev >> 16), (u8)(pm8001_ha->main_cfg_tbl.pm80xx_tbl.firmware_rev >> 8), (u8)(pm8001_ha->main_cfg_tbl.pm80xx_tbl.firmware_rev)); } } static DEVICE_ATTR(fw_version, S_IRUGO, pm8001_ctl_fw_version_show, NULL); /** * pm8001_ctl_ila_version_show - ila version * @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_ila_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; if (pm8001_ha->chip_id != chip_8001) { return snprintf(buf, PAGE_SIZE, "%02x.%02x.%02x.%02x\n", (u8)(pm8001_ha->main_cfg_tbl.pm80xx_tbl.ila_version >> 24), (u8)(pm8001_ha->main_cfg_tbl.pm80xx_tbl.ila_version >> 16), (u8)(pm8001_ha->main_cfg_tbl.pm80xx_tbl.ila_version >> 8), (u8)(pm8001_ha->main_cfg_tbl.pm80xx_tbl.ila_version)); } return 0; } static DEVICE_ATTR(ila_version, 0444, pm8001_ctl_ila_version_show, NULL); /** * pm8001_ctl_inactive_fw_version_show - Inacative firmware version number * @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_inactive_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; if (pm8001_ha->chip_id != chip_8001) { return snprintf(buf, PAGE_SIZE, "%02x.%02x.%02x.%02x\n", (u8)(pm8001_ha->main_cfg_tbl.pm80xx_tbl.inc_fw_version >> 24), (u8)(pm8001_ha->main_cfg_tbl.pm80xx_tbl.inc_fw_version >> 16), (u8)(pm8001_ha->main_cfg_tbl.pm80xx_tbl.inc_fw_version >> 8), (u8)(pm8001_ha->main_cfg_tbl.pm80xx_tbl.inc_fw_version)); } return 0; } static DEVICE_ATTR(inc_fw_ver, 0444, pm8001_ctl_inactive_fw_version_show, NULL); /** * pm8001_ctl_max_out_io_show - max outstanding io supported * @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_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; if (pm8001_ha->chip_id == chip_8001) { return snprintf(buf, PAGE_SIZE, "%d\n", pm8001_ha->main_cfg_tbl.pm8001_tbl.max_out_io); } else { return snprintf(buf, PAGE_SIZE, "%d\n", pm8001_ha->main_cfg_tbl.pm80xx_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 * @attr: device attribute (unused) * @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; if (pm8001_ha->chip_id == chip_8001) { return snprintf(buf, PAGE_SIZE, "%04d\n", (u16)(pm8001_ha->main_cfg_tbl.pm8001_tbl.max_sgl >> 16) ); } else { return snprintf(buf, PAGE_SIZE, "%04d\n", (u16)(pm8001_ha->main_cfg_tbl.pm80xx_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 * @attr: device attribute (unused) * @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; if (pm8001_ha->chip_id == chip_8001) { return snprintf(buf, PAGE_SIZE, "%04d\n", pm8001_ha->main_cfg_tbl.pm8001_tbl.max_sgl & 0x0000FFFF ); } else { return snprintf(buf, PAGE_SIZE, "%04d\n", pm8001_ha->main_cfg_tbl.pm80xx_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 * @attr: device attribute (unused) * @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; /* fe000000 means supports SAS2.1 */ if (pm8001_ha->chip_id == chip_8001) mode = (pm8001_ha->main_cfg_tbl.pm8001_tbl.ctrl_cap_flag & 0xfe000000)>>25; else /* fe000000 means supports SAS2.1 */ mode = (pm8001_ha->main_cfg_tbl.pm80xx_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 * @attr: device attribute (unused) * @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 * @attr: device attribute (unused) * @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 * @attr: device attribute (unused) * @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_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; #define IB_MEMMAP(c) \ (*(u32 *)((u8 *)pm8001_ha-> \ memoryMap.region[IB].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) % (PM80XX_IB_OB_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; #define OB_MEMMAP(c) \ (*(u32 *)((u8 *)pm8001_ha-> \ memoryMap.region[OB].virt_ptr + \ pm8001_ha->evtlog_ob_offset + (c))) for (offset = 0; offset < IB_OB_READ_TIMES; offset++) { str += sprintf(str, "0x%08x\n", OB_MEMMAP(start)); start = start + 4; } pm8001_ha->evtlog_ob_offset += SYSFS_OFFSET; if (((pm8001_ha->evtlog_ob_offset) % (PM80XX_IB_OB_QUEUE_SIZE)) == 0) pm8001_ha->evtlog_ob_offset = 0; return str - buf; } static DEVICE_ATTR(ob_log, S_IRUGO, pm8001_ctl_ob_queue_log_show, NULL); /** * pm8001_ctl_bios_version_show - Bios version Display * @cdev:pointer to embedded class device * @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_aap_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 struct flash_command flash_command_table[] = { {"set_nvmd", FLASH_CMD_SET_NVMD}, {"update", FLASH_CMD_UPDATE}, {"", FLASH_CMD_NONE} /* Last entry should be NULL. */ }; struct error_fw { char *reason; int err_code; }; static struct error_fw flash_error_table[] = { {"Failed to open fw image file", FAIL_OPEN_BIOS_FILE}, {"image header mismatch", FLASH_UPDATE_HDR_ERR}, {"image offset mismatch", FLASH_UPDATE_OFFSET_ERR}, {"image CRC Error", FLASH_UPDATE_CRC_ERR}, {"image length Error.", FLASH_UPDATE_LENGTH_ERR}, {"Failed to program flash chip", FLASH_UPDATE_HW_ERR}, {"Flash chip not supported.", FLASH_UPDATE_DNLD_NOT_SUPPORTED}, {"Flash update disabled.", FLASH_UPDATE_DISABLED}, {"Flash in progress", FLASH_IN_PROGRESS}, {"Image file size Error", FAIL_FILE_SIZE}, {"Input parameter error", FAIL_PARAMETERS}, {"Out of memory", FAIL_OUT_MEMORY}, {"OK", 0} /* Last entry err_code = 0. */ }; static int pm8001_set_nvmd(struct pm8001_hba_info *pm8001_ha) { struct pm8001_ioctl_payload *payload; DECLARE_COMPLETION_ONSTACK(completion); u8 *ioctlbuffer; u32 ret; u32 length = 1024 * 5 + sizeof(*payload) - 1; if (pm8001_ha->fw_image->size > 4096) { pm8001_ha->fw_status = FAIL_FILE_SIZE; return -EFAULT; } ioctlbuffer = kzalloc(length, GFP_KERNEL); if (!ioctlbuffer) { pm8001_ha->fw_status = FAIL_OUT_MEMORY; return -ENOMEM; } payload = (struct pm8001_ioctl_payload *)ioctlbuffer; memcpy((u8 *)&payload->func_specific, (u8 *)pm8001_ha->fw_image->data, pm8001_ha->fw_image->size); payload->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_FAIL_DBG(pm8001_ha, pm8001_printk( "Failed to load firmware image file %s, error %d\n", filename_ptr, ret)); pm8001_ha->fw_status = FAIL_OPEN_BIOS_FILE; goto out; } if (FLASH_CMD_UPDATE == flash_command) ret = pm8001_update_flash(pm8001_ha); else ret = pm8001_set_nvmd(pm8001_ha); release_firmware(pm8001_ha->fw_image); out: kfree(cmd_ptr); if (ret) return ret; pm8001_ha->fw_status = FLASH_OK; return count; } static ssize_t pm8001_show_update_fw(struct device *cdev, struct device_attribute *attr, char *buf) { int i; struct Scsi_Host *shost = class_to_shost(cdev); struct sas_ha_struct *sha = SHOST_TO_SAS_HA(shost); struct pm8001_hba_info *pm8001_ha = sha->lldd_ha; for (i = 0; flash_error_table[i].err_code != 0; i++) { if (flash_error_table[i].err_code == pm8001_ha->fw_status) break; } if (pm8001_ha->fw_status != FLASH_IN_PROGRESS) pm8001_ha->fw_status = FLASH_OK; return snprintf(buf, PAGE_SIZE, "status=%x %s\n", flash_error_table[i].err_code, flash_error_table[i].reason); } static DEVICE_ATTR(update_fw, S_IRUGO|S_IWUSR|S_IWGRP, pm8001_show_update_fw, pm8001_store_update_fw); struct device_attribute *pm8001_host_attrs[] = { &dev_attr_interface_rev, &dev_attr_controller_fatal_error, &dev_attr_fw_version, &dev_attr_update_fw, &dev_attr_aap_log, &dev_attr_iop_log, &dev_attr_fatal_log, &dev_attr_non_fatal_log, &dev_attr_non_fatal_count, &dev_attr_gsm_log, &dev_attr_max_out_io, &dev_attr_max_devices, &dev_attr_max_sg_list, &dev_attr_sas_spec_support, &dev_attr_logging_level, &dev_attr_event_log_size, &dev_attr_host_sas_address, &dev_attr_bios_version, &dev_attr_ib_log, &dev_attr_ob_log, &dev_attr_ila_version, &dev_attr_inc_fw_ver, NULL, };