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authorAndré Fabian Silva Delgado <emulatorman@parabola.nu>2015-08-05 17:04:01 -0300
committerAndré Fabian Silva Delgado <emulatorman@parabola.nu>2015-08-05 17:04:01 -0300
commit57f0f512b273f60d52568b8c6b77e17f5636edc0 (patch)
tree5e910f0e82173f4ef4f51111366a3f1299037a7b /drivers/scsi/qla4xxx/ql4_attr.c
Initial import
Diffstat (limited to 'drivers/scsi/qla4xxx/ql4_attr.c')
-rw-r--r--drivers/scsi/qla4xxx/ql4_attr.c351
1 files changed, 351 insertions, 0 deletions
diff --git a/drivers/scsi/qla4xxx/ql4_attr.c b/drivers/scsi/qla4xxx/ql4_attr.c
new file mode 100644
index 000000000..463239c97
--- /dev/null
+++ b/drivers/scsi/qla4xxx/ql4_attr.c
@@ -0,0 +1,351 @@
+/*
+ * QLogic iSCSI HBA Driver
+ * Copyright (c) 2003-2013 QLogic Corporation
+ *
+ * See LICENSE.qla4xxx for copyright and licensing details.
+ */
+
+#include "ql4_def.h"
+#include "ql4_glbl.h"
+#include "ql4_dbg.h"
+
+static ssize_t
+qla4_8xxx_sysfs_read_fw_dump(struct file *filep, struct kobject *kobj,
+ struct bin_attribute *ba, char *buf, loff_t off,
+ size_t count)
+{
+ struct scsi_qla_host *ha = to_qla_host(dev_to_shost(container_of(kobj,
+ struct device, kobj)));
+
+ if (is_qla40XX(ha))
+ return -EINVAL;
+
+ if (!test_bit(AF_82XX_DUMP_READING, &ha->flags))
+ return 0;
+
+ return memory_read_from_buffer(buf, count, &off, ha->fw_dump,
+ ha->fw_dump_size);
+}
+
+static ssize_t
+qla4_8xxx_sysfs_write_fw_dump(struct file *filep, struct kobject *kobj,
+ struct bin_attribute *ba, char *buf, loff_t off,
+ size_t count)
+{
+ struct scsi_qla_host *ha = to_qla_host(dev_to_shost(container_of(kobj,
+ struct device, kobj)));
+ uint32_t dev_state;
+ long reading;
+ int ret = 0;
+
+ if (is_qla40XX(ha))
+ return -EINVAL;
+
+ if (off != 0)
+ return ret;
+
+ buf[1] = 0;
+ ret = kstrtol(buf, 10, &reading);
+ if (ret) {
+ ql4_printk(KERN_ERR, ha, "%s: Invalid input. Return err %d\n",
+ __func__, ret);
+ return ret;
+ }
+
+ switch (reading) {
+ case 0:
+ /* clear dump collection flags */
+ if (test_and_clear_bit(AF_82XX_DUMP_READING, &ha->flags)) {
+ clear_bit(AF_82XX_FW_DUMPED, &ha->flags);
+ /* Reload minidump template */
+ qla4xxx_alloc_fw_dump(ha);
+ DEBUG2(ql4_printk(KERN_INFO, ha,
+ "Firmware template reloaded\n"));
+ }
+ break;
+ case 1:
+ /* Set flag to read dump */
+ if (test_bit(AF_82XX_FW_DUMPED, &ha->flags) &&
+ !test_bit(AF_82XX_DUMP_READING, &ha->flags)) {
+ set_bit(AF_82XX_DUMP_READING, &ha->flags);
+ DEBUG2(ql4_printk(KERN_INFO, ha,
+ "Raw firmware dump ready for read on (%ld).\n",
+ ha->host_no));
+ }
+ break;
+ case 2:
+ /* Reset HBA and collect FW dump */
+ ha->isp_ops->idc_lock(ha);
+ dev_state = qla4_8xxx_rd_direct(ha, QLA8XXX_CRB_DEV_STATE);
+ if (dev_state == QLA8XXX_DEV_READY) {
+ ql4_printk(KERN_INFO, ha, "%s: Setting Need reset\n",
+ __func__);
+ qla4_8xxx_wr_direct(ha, QLA8XXX_CRB_DEV_STATE,
+ QLA8XXX_DEV_NEED_RESET);
+ if (is_qla8022(ha) ||
+ ((is_qla8032(ha) || is_qla8042(ha)) &&
+ qla4_83xx_can_perform_reset(ha))) {
+ set_bit(AF_8XXX_RST_OWNER, &ha->flags);
+ set_bit(AF_FW_RECOVERY, &ha->flags);
+ ql4_printk(KERN_INFO, ha, "%s: Reset owner is 0x%x\n",
+ __func__, ha->func_num);
+ }
+ } else
+ ql4_printk(KERN_INFO, ha,
+ "%s: Reset not performed as device state is 0x%x\n",
+ __func__, dev_state);
+
+ ha->isp_ops->idc_unlock(ha);
+ break;
+ default:
+ /* do nothing */
+ break;
+ }
+
+ return count;
+}
+
+static struct bin_attribute sysfs_fw_dump_attr = {
+ .attr = {
+ .name = "fw_dump",
+ .mode = S_IRUSR | S_IWUSR,
+ },
+ .size = 0,
+ .read = qla4_8xxx_sysfs_read_fw_dump,
+ .write = qla4_8xxx_sysfs_write_fw_dump,
+};
+
+static struct sysfs_entry {
+ char *name;
+ struct bin_attribute *attr;
+} bin_file_entries[] = {
+ { "fw_dump", &sysfs_fw_dump_attr },
+ { NULL },
+};
+
+void qla4_8xxx_alloc_sysfs_attr(struct scsi_qla_host *ha)
+{
+ struct Scsi_Host *host = ha->host;
+ struct sysfs_entry *iter;
+ int ret;
+
+ for (iter = bin_file_entries; iter->name; iter++) {
+ ret = sysfs_create_bin_file(&host->shost_gendev.kobj,
+ iter->attr);
+ if (ret)
+ ql4_printk(KERN_ERR, ha,
+ "Unable to create sysfs %s binary attribute (%d).\n",
+ iter->name, ret);
+ }
+}
+
+void qla4_8xxx_free_sysfs_attr(struct scsi_qla_host *ha)
+{
+ struct Scsi_Host *host = ha->host;
+ struct sysfs_entry *iter;
+
+ for (iter = bin_file_entries; iter->name; iter++)
+ sysfs_remove_bin_file(&host->shost_gendev.kobj,
+ iter->attr);
+}
+
+/* Scsi_Host attributes. */
+static ssize_t
+qla4xxx_fw_version_show(struct device *dev,
+ struct device_attribute *attr, char *buf)
+{
+ struct scsi_qla_host *ha = to_qla_host(class_to_shost(dev));
+
+ if (is_qla80XX(ha))
+ return snprintf(buf, PAGE_SIZE, "%d.%02d.%02d (%x)\n",
+ ha->fw_info.fw_major, ha->fw_info.fw_minor,
+ ha->fw_info.fw_patch, ha->fw_info.fw_build);
+ else
+ return snprintf(buf, PAGE_SIZE, "%d.%02d.%02d.%02d\n",
+ ha->fw_info.fw_major, ha->fw_info.fw_minor,
+ ha->fw_info.fw_patch, ha->fw_info.fw_build);
+}
+
+static ssize_t
+qla4xxx_serial_num_show(struct device *dev, struct device_attribute *attr,
+ char *buf)
+{
+ struct scsi_qla_host *ha = to_qla_host(class_to_shost(dev));
+ return snprintf(buf, PAGE_SIZE, "%s\n", ha->serial_number);
+}
+
+static ssize_t
+qla4xxx_iscsi_version_show(struct device *dev, struct device_attribute *attr,
+ char *buf)
+{
+ struct scsi_qla_host *ha = to_qla_host(class_to_shost(dev));
+ return snprintf(buf, PAGE_SIZE, "%d.%02d\n", ha->fw_info.iscsi_major,
+ ha->fw_info.iscsi_minor);
+}
+
+static ssize_t
+qla4xxx_optrom_version_show(struct device *dev, struct device_attribute *attr,
+ char *buf)
+{
+ struct scsi_qla_host *ha = to_qla_host(class_to_shost(dev));
+ return snprintf(buf, PAGE_SIZE, "%d.%02d.%02d.%02d\n",
+ ha->fw_info.bootload_major, ha->fw_info.bootload_minor,
+ ha->fw_info.bootload_patch, ha->fw_info.bootload_build);
+}
+
+static ssize_t
+qla4xxx_board_id_show(struct device *dev, struct device_attribute *attr,
+ char *buf)
+{
+ struct scsi_qla_host *ha = to_qla_host(class_to_shost(dev));
+ return snprintf(buf, PAGE_SIZE, "0x%08X\n", ha->board_id);
+}
+
+static ssize_t
+qla4xxx_fw_state_show(struct device *dev, struct device_attribute *attr,
+ char *buf)
+{
+ struct scsi_qla_host *ha = to_qla_host(class_to_shost(dev));
+
+ qla4xxx_get_firmware_state(ha);
+ return snprintf(buf, PAGE_SIZE, "0x%08X%8X\n", ha->firmware_state,
+ ha->addl_fw_state);
+}
+
+static ssize_t
+qla4xxx_phy_port_cnt_show(struct device *dev, struct device_attribute *attr,
+ char *buf)
+{
+ struct scsi_qla_host *ha = to_qla_host(class_to_shost(dev));
+
+ if (is_qla40XX(ha))
+ return -ENOSYS;
+
+ return snprintf(buf, PAGE_SIZE, "0x%04X\n", ha->phy_port_cnt);
+}
+
+static ssize_t
+qla4xxx_phy_port_num_show(struct device *dev, struct device_attribute *attr,
+ char *buf)
+{
+ struct scsi_qla_host *ha = to_qla_host(class_to_shost(dev));
+
+ if (is_qla40XX(ha))
+ return -ENOSYS;
+
+ return snprintf(buf, PAGE_SIZE, "0x%04X\n", ha->phy_port_num);
+}
+
+static ssize_t
+qla4xxx_iscsi_func_cnt_show(struct device *dev, struct device_attribute *attr,
+ char *buf)
+{
+ struct scsi_qla_host *ha = to_qla_host(class_to_shost(dev));
+
+ if (is_qla40XX(ha))
+ return -ENOSYS;
+
+ return snprintf(buf, PAGE_SIZE, "0x%04X\n", ha->iscsi_pci_func_cnt);
+}
+
+static ssize_t
+qla4xxx_hba_model_show(struct device *dev, struct device_attribute *attr,
+ char *buf)
+{
+ struct scsi_qla_host *ha = to_qla_host(class_to_shost(dev));
+
+ return snprintf(buf, PAGE_SIZE, "%s\n", ha->model_name);
+}
+
+static ssize_t
+qla4xxx_fw_timestamp_show(struct device *dev, struct device_attribute *attr,
+ char *buf)
+{
+ struct scsi_qla_host *ha = to_qla_host(class_to_shost(dev));
+ return snprintf(buf, PAGE_SIZE, "%s %s\n", ha->fw_info.fw_build_date,
+ ha->fw_info.fw_build_time);
+}
+
+static ssize_t
+qla4xxx_fw_build_user_show(struct device *dev, struct device_attribute *attr,
+ char *buf)
+{
+ struct scsi_qla_host *ha = to_qla_host(class_to_shost(dev));
+ return snprintf(buf, PAGE_SIZE, "%s\n", ha->fw_info.fw_build_user);
+}
+
+static ssize_t
+qla4xxx_fw_ext_timestamp_show(struct device *dev, struct device_attribute *attr,
+ char *buf)
+{
+ struct scsi_qla_host *ha = to_qla_host(class_to_shost(dev));
+ return snprintf(buf, PAGE_SIZE, "%s\n", ha->fw_info.extended_timestamp);
+}
+
+static ssize_t
+qla4xxx_fw_load_src_show(struct device *dev, struct device_attribute *attr,
+ char *buf)
+{
+ struct scsi_qla_host *ha = to_qla_host(class_to_shost(dev));
+ char *load_src = NULL;
+
+ switch (ha->fw_info.fw_load_source) {
+ case 1:
+ load_src = "Flash Primary";
+ break;
+ case 2:
+ load_src = "Flash Secondary";
+ break;
+ case 3:
+ load_src = "Host Download";
+ break;
+ }
+
+ return snprintf(buf, PAGE_SIZE, "%s\n", load_src);
+}
+
+static ssize_t
+qla4xxx_fw_uptime_show(struct device *dev, struct device_attribute *attr,
+ char *buf)
+{
+ struct scsi_qla_host *ha = to_qla_host(class_to_shost(dev));
+ qla4xxx_about_firmware(ha);
+ return snprintf(buf, PAGE_SIZE, "%u.%u secs\n", ha->fw_uptime_secs,
+ ha->fw_uptime_msecs);
+}
+
+static DEVICE_ATTR(fw_version, S_IRUGO, qla4xxx_fw_version_show, NULL);
+static DEVICE_ATTR(serial_num, S_IRUGO, qla4xxx_serial_num_show, NULL);
+static DEVICE_ATTR(iscsi_version, S_IRUGO, qla4xxx_iscsi_version_show, NULL);
+static DEVICE_ATTR(optrom_version, S_IRUGO, qla4xxx_optrom_version_show, NULL);
+static DEVICE_ATTR(board_id, S_IRUGO, qla4xxx_board_id_show, NULL);
+static DEVICE_ATTR(fw_state, S_IRUGO, qla4xxx_fw_state_show, NULL);
+static DEVICE_ATTR(phy_port_cnt, S_IRUGO, qla4xxx_phy_port_cnt_show, NULL);
+static DEVICE_ATTR(phy_port_num, S_IRUGO, qla4xxx_phy_port_num_show, NULL);
+static DEVICE_ATTR(iscsi_func_cnt, S_IRUGO, qla4xxx_iscsi_func_cnt_show, NULL);
+static DEVICE_ATTR(hba_model, S_IRUGO, qla4xxx_hba_model_show, NULL);
+static DEVICE_ATTR(fw_timestamp, S_IRUGO, qla4xxx_fw_timestamp_show, NULL);
+static DEVICE_ATTR(fw_build_user, S_IRUGO, qla4xxx_fw_build_user_show, NULL);
+static DEVICE_ATTR(fw_ext_timestamp, S_IRUGO, qla4xxx_fw_ext_timestamp_show,
+ NULL);
+static DEVICE_ATTR(fw_load_src, S_IRUGO, qla4xxx_fw_load_src_show, NULL);
+static DEVICE_ATTR(fw_uptime, S_IRUGO, qla4xxx_fw_uptime_show, NULL);
+
+struct device_attribute *qla4xxx_host_attrs[] = {
+ &dev_attr_fw_version,
+ &dev_attr_serial_num,
+ &dev_attr_iscsi_version,
+ &dev_attr_optrom_version,
+ &dev_attr_board_id,
+ &dev_attr_fw_state,
+ &dev_attr_phy_port_cnt,
+ &dev_attr_phy_port_num,
+ &dev_attr_iscsi_func_cnt,
+ &dev_attr_hba_model,
+ &dev_attr_fw_timestamp,
+ &dev_attr_fw_build_user,
+ &dev_attr_fw_ext_timestamp,
+ &dev_attr_fw_load_src,
+ &dev_attr_fw_uptime,
+ NULL,
+};