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1// SPDX-License-Identifier: GPL-2.0-only2/*3 * QLogic iSCSI HBA Driver4 * Copyright (c) 2003-2013 QLogic Corporation5 */6 7#include "ql4_def.h"8#include "ql4_glbl.h"9#include "ql4_dbg.h"10 11static ssize_t12qla4_8xxx_sysfs_read_fw_dump(struct file *filep, struct kobject *kobj,13 struct bin_attribute *ba, char *buf, loff_t off,14 size_t count)15{16 struct scsi_qla_host *ha = to_qla_host(dev_to_shost(container_of(kobj,17 struct device, kobj)));18 19 if (is_qla40XX(ha))20 return -EINVAL;21 22 if (!test_bit(AF_82XX_DUMP_READING, &ha->flags))23 return 0;24 25 return memory_read_from_buffer(buf, count, &off, ha->fw_dump,26 ha->fw_dump_size);27}28 29static ssize_t30qla4_8xxx_sysfs_write_fw_dump(struct file *filep, struct kobject *kobj,31 struct bin_attribute *ba, char *buf, loff_t off,32 size_t count)33{34 struct scsi_qla_host *ha = to_qla_host(dev_to_shost(container_of(kobj,35 struct device, kobj)));36 uint32_t dev_state;37 long reading;38 int ret = 0;39 40 if (is_qla40XX(ha))41 return -EINVAL;42 43 if (off != 0)44 return ret;45 46 buf[1] = 0;47 ret = kstrtol(buf, 10, &reading);48 if (ret) {49 ql4_printk(KERN_ERR, ha, "%s: Invalid input. Return err %d\n",50 __func__, ret);51 return ret;52 }53 54 switch (reading) {55 case 0:56 /* clear dump collection flags */57 if (test_and_clear_bit(AF_82XX_DUMP_READING, &ha->flags)) {58 clear_bit(AF_82XX_FW_DUMPED, &ha->flags);59 /* Reload minidump template */60 qla4xxx_alloc_fw_dump(ha);61 DEBUG2(ql4_printk(KERN_INFO, ha,62 "Firmware template reloaded\n"));63 }64 break;65 case 1:66 /* Set flag to read dump */67 if (test_bit(AF_82XX_FW_DUMPED, &ha->flags) &&68 !test_bit(AF_82XX_DUMP_READING, &ha->flags)) {69 set_bit(AF_82XX_DUMP_READING, &ha->flags);70 DEBUG2(ql4_printk(KERN_INFO, ha,71 "Raw firmware dump ready for read on (%ld).\n",72 ha->host_no));73 }74 break;75 case 2:76 /* Reset HBA and collect FW dump */77 ha->isp_ops->idc_lock(ha);78 dev_state = qla4_8xxx_rd_direct(ha, QLA8XXX_CRB_DEV_STATE);79 if (dev_state == QLA8XXX_DEV_READY) {80 ql4_printk(KERN_INFO, ha, "%s: Setting Need reset\n",81 __func__);82 qla4_8xxx_wr_direct(ha, QLA8XXX_CRB_DEV_STATE,83 QLA8XXX_DEV_NEED_RESET);84 if (is_qla8022(ha) ||85 ((is_qla8032(ha) || is_qla8042(ha)) &&86 qla4_83xx_can_perform_reset(ha))) {87 set_bit(AF_8XXX_RST_OWNER, &ha->flags);88 set_bit(AF_FW_RECOVERY, &ha->flags);89 ql4_printk(KERN_INFO, ha, "%s: Reset owner is 0x%x\n",90 __func__, ha->func_num);91 }92 } else93 ql4_printk(KERN_INFO, ha,94 "%s: Reset not performed as device state is 0x%x\n",95 __func__, dev_state);96 97 ha->isp_ops->idc_unlock(ha);98 break;99 default:100 /* do nothing */101 break;102 }103 104 return count;105}106 107static struct bin_attribute sysfs_fw_dump_attr = {108 .attr = {109 .name = "fw_dump",110 .mode = S_IRUSR | S_IWUSR,111 },112 .size = 0,113 .read = qla4_8xxx_sysfs_read_fw_dump,114 .write = qla4_8xxx_sysfs_write_fw_dump,115};116 117static struct sysfs_entry {118 char *name;119 struct bin_attribute *attr;120} bin_file_entries[] = {121 { "fw_dump", &sysfs_fw_dump_attr },122 { NULL },123};124 125void qla4_8xxx_alloc_sysfs_attr(struct scsi_qla_host *ha)126{127 struct Scsi_Host *host = ha->host;128 struct sysfs_entry *iter;129 int ret;130 131 for (iter = bin_file_entries; iter->name; iter++) {132 ret = sysfs_create_bin_file(&host->shost_gendev.kobj,133 iter->attr);134 if (ret)135 ql4_printk(KERN_ERR, ha,136 "Unable to create sysfs %s binary attribute (%d).\n",137 iter->name, ret);138 }139}140 141void qla4_8xxx_free_sysfs_attr(struct scsi_qla_host *ha)142{143 struct Scsi_Host *host = ha->host;144 struct sysfs_entry *iter;145 146 for (iter = bin_file_entries; iter->name; iter++)147 sysfs_remove_bin_file(&host->shost_gendev.kobj,148 iter->attr);149}150 151/* Scsi_Host attributes. */152static ssize_t153qla4xxx_fw_version_show(struct device *dev,154 struct device_attribute *attr, char *buf)155{156 struct scsi_qla_host *ha = to_qla_host(class_to_shost(dev));157 158 if (is_qla80XX(ha))159 return snprintf(buf, PAGE_SIZE, "%d.%02d.%02d (%x)\n",160 ha->fw_info.fw_major, ha->fw_info.fw_minor,161 ha->fw_info.fw_patch, ha->fw_info.fw_build);162 else163 return snprintf(buf, PAGE_SIZE, "%d.%02d.%02d.%02d\n",164 ha->fw_info.fw_major, ha->fw_info.fw_minor,165 ha->fw_info.fw_patch, ha->fw_info.fw_build);166}167 168static ssize_t169qla4xxx_serial_num_show(struct device *dev, struct device_attribute *attr,170 char *buf)171{172 struct scsi_qla_host *ha = to_qla_host(class_to_shost(dev));173 return snprintf(buf, PAGE_SIZE, "%s\n", ha->serial_number);174}175 176static ssize_t177qla4xxx_iscsi_version_show(struct device *dev, struct device_attribute *attr,178 char *buf)179{180 struct scsi_qla_host *ha = to_qla_host(class_to_shost(dev));181 return snprintf(buf, PAGE_SIZE, "%d.%02d\n", ha->fw_info.iscsi_major,182 ha->fw_info.iscsi_minor);183}184 185static ssize_t186qla4xxx_optrom_version_show(struct device *dev, struct device_attribute *attr,187 char *buf)188{189 struct scsi_qla_host *ha = to_qla_host(class_to_shost(dev));190 return snprintf(buf, PAGE_SIZE, "%d.%02d.%02d.%02d\n",191 ha->fw_info.bootload_major, ha->fw_info.bootload_minor,192 ha->fw_info.bootload_patch, ha->fw_info.bootload_build);193}194 195static ssize_t196qla4xxx_board_id_show(struct device *dev, struct device_attribute *attr,197 char *buf)198{199 struct scsi_qla_host *ha = to_qla_host(class_to_shost(dev));200 return snprintf(buf, PAGE_SIZE, "0x%08X\n", ha->board_id);201}202 203static ssize_t204qla4xxx_fw_state_show(struct device *dev, struct device_attribute *attr,205 char *buf)206{207 struct scsi_qla_host *ha = to_qla_host(class_to_shost(dev));208 209 qla4xxx_get_firmware_state(ha);210 return snprintf(buf, PAGE_SIZE, "0x%08X%8X\n", ha->firmware_state,211 ha->addl_fw_state);212}213 214static ssize_t215qla4xxx_phy_port_cnt_show(struct device *dev, struct device_attribute *attr,216 char *buf)217{218 struct scsi_qla_host *ha = to_qla_host(class_to_shost(dev));219 220 if (is_qla40XX(ha))221 return -ENOSYS;222 223 return snprintf(buf, PAGE_SIZE, "0x%04X\n", ha->phy_port_cnt);224}225 226static ssize_t227qla4xxx_phy_port_num_show(struct device *dev, struct device_attribute *attr,228 char *buf)229{230 struct scsi_qla_host *ha = to_qla_host(class_to_shost(dev));231 232 if (is_qla40XX(ha))233 return -ENOSYS;234 235 return snprintf(buf, PAGE_SIZE, "0x%04X\n", ha->phy_port_num);236}237 238static ssize_t239qla4xxx_iscsi_func_cnt_show(struct device *dev, struct device_attribute *attr,240 char *buf)241{242 struct scsi_qla_host *ha = to_qla_host(class_to_shost(dev));243 244 if (is_qla40XX(ha))245 return -ENOSYS;246 247 return snprintf(buf, PAGE_SIZE, "0x%04X\n", ha->iscsi_pci_func_cnt);248}249 250static ssize_t251qla4xxx_hba_model_show(struct device *dev, struct device_attribute *attr,252 char *buf)253{254 struct scsi_qla_host *ha = to_qla_host(class_to_shost(dev));255 256 return snprintf(buf, PAGE_SIZE, "%s\n", ha->model_name);257}258 259static ssize_t260qla4xxx_fw_timestamp_show(struct device *dev, struct device_attribute *attr,261 char *buf)262{263 struct scsi_qla_host *ha = to_qla_host(class_to_shost(dev));264 return snprintf(buf, PAGE_SIZE, "%s %s\n", ha->fw_info.fw_build_date,265 ha->fw_info.fw_build_time);266}267 268static ssize_t269qla4xxx_fw_build_user_show(struct device *dev, struct device_attribute *attr,270 char *buf)271{272 struct scsi_qla_host *ha = to_qla_host(class_to_shost(dev));273 return snprintf(buf, PAGE_SIZE, "%s\n", ha->fw_info.fw_build_user);274}275 276static ssize_t277qla4xxx_fw_ext_timestamp_show(struct device *dev, struct device_attribute *attr,278 char *buf)279{280 struct scsi_qla_host *ha = to_qla_host(class_to_shost(dev));281 return snprintf(buf, PAGE_SIZE, "%s\n", ha->fw_info.extended_timestamp);282}283 284static ssize_t285qla4xxx_fw_load_src_show(struct device *dev, struct device_attribute *attr,286 char *buf)287{288 struct scsi_qla_host *ha = to_qla_host(class_to_shost(dev));289 char *load_src = NULL;290 291 switch (ha->fw_info.fw_load_source) {292 case 1:293 load_src = "Flash Primary";294 break;295 case 2:296 load_src = "Flash Secondary";297 break;298 case 3:299 load_src = "Host Download";300 break;301 }302 303 return snprintf(buf, PAGE_SIZE, "%s\n", load_src);304}305 306static ssize_t307qla4xxx_fw_uptime_show(struct device *dev, struct device_attribute *attr,308 char *buf)309{310 struct scsi_qla_host *ha = to_qla_host(class_to_shost(dev));311 qla4xxx_about_firmware(ha);312 return snprintf(buf, PAGE_SIZE, "%u.%u secs\n", ha->fw_uptime_secs,313 ha->fw_uptime_msecs);314}315 316static DEVICE_ATTR(fw_version, S_IRUGO, qla4xxx_fw_version_show, NULL);317static DEVICE_ATTR(serial_num, S_IRUGO, qla4xxx_serial_num_show, NULL);318static DEVICE_ATTR(iscsi_version, S_IRUGO, qla4xxx_iscsi_version_show, NULL);319static DEVICE_ATTR(optrom_version, S_IRUGO, qla4xxx_optrom_version_show, NULL);320static DEVICE_ATTR(board_id, S_IRUGO, qla4xxx_board_id_show, NULL);321static DEVICE_ATTR(fw_state, S_IRUGO, qla4xxx_fw_state_show, NULL);322static DEVICE_ATTR(phy_port_cnt, S_IRUGO, qla4xxx_phy_port_cnt_show, NULL);323static DEVICE_ATTR(phy_port_num, S_IRUGO, qla4xxx_phy_port_num_show, NULL);324static DEVICE_ATTR(iscsi_func_cnt, S_IRUGO, qla4xxx_iscsi_func_cnt_show, NULL);325static DEVICE_ATTR(hba_model, S_IRUGO, qla4xxx_hba_model_show, NULL);326static DEVICE_ATTR(fw_timestamp, S_IRUGO, qla4xxx_fw_timestamp_show, NULL);327static DEVICE_ATTR(fw_build_user, S_IRUGO, qla4xxx_fw_build_user_show, NULL);328static DEVICE_ATTR(fw_ext_timestamp, S_IRUGO, qla4xxx_fw_ext_timestamp_show,329 NULL);330static DEVICE_ATTR(fw_load_src, S_IRUGO, qla4xxx_fw_load_src_show, NULL);331static DEVICE_ATTR(fw_uptime, S_IRUGO, qla4xxx_fw_uptime_show, NULL);332 333static struct attribute *qla4xxx_host_attrs[] = {334 &dev_attr_fw_version.attr,335 &dev_attr_serial_num.attr,336 &dev_attr_iscsi_version.attr,337 &dev_attr_optrom_version.attr,338 &dev_attr_board_id.attr,339 &dev_attr_fw_state.attr,340 &dev_attr_phy_port_cnt.attr,341 &dev_attr_phy_port_num.attr,342 &dev_attr_iscsi_func_cnt.attr,343 &dev_attr_hba_model.attr,344 &dev_attr_fw_timestamp.attr,345 &dev_attr_fw_build_user.attr,346 &dev_attr_fw_ext_timestamp.attr,347 &dev_attr_fw_load_src.attr,348 &dev_attr_fw_uptime.attr,349 NULL,350};351 352static const struct attribute_group qla4xxx_host_attr_group = {353 .attrs = qla4xxx_host_attrs354};355 356const struct attribute_group *qla4xxx_host_groups[] = {357 &qla4xxx_host_attr_group,358 NULL359};360