| /* |
| * QLogic Fibre Channel HBA Driver |
| * Copyright (c) 2003-2005 QLogic Corporation |
| * |
| * See LICENSE.qla2xxx for copyright and licensing details. |
| */ |
| #include "qla_def.h" |
| |
| #include <linux/kthread.h> |
| #include <linux/vmalloc.h> |
| |
| int qla24xx_vport_disable(struct fc_vport *, bool); |
| |
| /* SYSFS attributes --------------------------------------------------------- */ |
| |
| static ssize_t |
| qla2x00_sysfs_read_fw_dump(struct kobject *kobj, |
| struct bin_attribute *bin_attr, |
| char *buf, loff_t off, size_t count) |
| { |
| struct scsi_qla_host *ha = shost_priv(dev_to_shost(container_of(kobj, |
| struct device, kobj))); |
| char *rbuf = (char *)ha->fw_dump; |
| |
| if (ha->fw_dump_reading == 0) |
| return 0; |
| if (off > ha->fw_dump_len) |
| return 0; |
| if (off + count > ha->fw_dump_len) |
| count = ha->fw_dump_len - off; |
| |
| memcpy(buf, &rbuf[off], count); |
| |
| return (count); |
| } |
| |
| static ssize_t |
| qla2x00_sysfs_write_fw_dump(struct kobject *kobj, |
| struct bin_attribute *bin_attr, |
| char *buf, loff_t off, size_t count) |
| { |
| struct scsi_qla_host *ha = shost_priv(dev_to_shost(container_of(kobj, |
| struct device, kobj))); |
| int reading; |
| |
| if (off != 0) |
| return (0); |
| |
| reading = simple_strtol(buf, NULL, 10); |
| switch (reading) { |
| case 0: |
| if (!ha->fw_dump_reading) |
| break; |
| |
| qla_printk(KERN_INFO, ha, |
| "Firmware dump cleared on (%ld).\n", ha->host_no); |
| |
| ha->fw_dump_reading = 0; |
| ha->fw_dumped = 0; |
| break; |
| case 1: |
| if (ha->fw_dumped && !ha->fw_dump_reading) { |
| ha->fw_dump_reading = 1; |
| |
| qla_printk(KERN_INFO, ha, |
| "Raw firmware dump ready for read on (%ld).\n", |
| ha->host_no); |
| } |
| break; |
| case 2: |
| qla2x00_alloc_fw_dump(ha); |
| break; |
| } |
| return (count); |
| } |
| |
| static struct bin_attribute sysfs_fw_dump_attr = { |
| .attr = { |
| .name = "fw_dump", |
| .mode = S_IRUSR | S_IWUSR, |
| }, |
| .size = 0, |
| .read = qla2x00_sysfs_read_fw_dump, |
| .write = qla2x00_sysfs_write_fw_dump, |
| }; |
| |
| static ssize_t |
| qla2x00_sysfs_read_nvram(struct kobject *kobj, |
| struct bin_attribute *bin_attr, |
| char *buf, loff_t off, size_t count) |
| { |
| struct scsi_qla_host *ha = shost_priv(dev_to_shost(container_of(kobj, |
| struct device, kobj))); |
| int size = ha->nvram_size; |
| char *nvram_cache = ha->nvram; |
| |
| if (!capable(CAP_SYS_ADMIN) || off > size || count == 0) |
| return 0; |
| if (off + count > size) { |
| size -= off; |
| count = size; |
| } |
| |
| /* Read NVRAM data from cache. */ |
| memcpy(buf, &nvram_cache[off], count); |
| |
| return count; |
| } |
| |
| static ssize_t |
| qla2x00_sysfs_write_nvram(struct kobject *kobj, |
| struct bin_attribute *bin_attr, |
| char *buf, loff_t off, size_t count) |
| { |
| struct scsi_qla_host *ha = shost_priv(dev_to_shost(container_of(kobj, |
| struct device, kobj))); |
| unsigned long flags; |
| uint16_t cnt; |
| |
| if (!capable(CAP_SYS_ADMIN) || off != 0 || count != ha->nvram_size) |
| return 0; |
| |
| /* Checksum NVRAM. */ |
| if (IS_FWI2_CAPABLE(ha)) { |
| uint32_t *iter; |
| uint32_t chksum; |
| |
| iter = (uint32_t *)buf; |
| chksum = 0; |
| for (cnt = 0; cnt < ((count >> 2) - 1); cnt++) |
| chksum += le32_to_cpu(*iter++); |
| chksum = ~chksum + 1; |
| *iter = cpu_to_le32(chksum); |
| } else { |
| uint8_t *iter; |
| uint8_t chksum; |
| |
| iter = (uint8_t *)buf; |
| chksum = 0; |
| for (cnt = 0; cnt < count - 1; cnt++) |
| chksum += *iter++; |
| chksum = ~chksum + 1; |
| *iter = chksum; |
| } |
| |
| /* Write NVRAM. */ |
| spin_lock_irqsave(&ha->hardware_lock, flags); |
| ha->isp_ops->write_nvram(ha, (uint8_t *)buf, ha->nvram_base, count); |
| ha->isp_ops->read_nvram(ha, (uint8_t *)ha->nvram, ha->nvram_base, |
| count); |
| spin_unlock_irqrestore(&ha->hardware_lock, flags); |
| |
| set_bit(ISP_ABORT_NEEDED, &ha->dpc_flags); |
| |
| return (count); |
| } |
| |
| static struct bin_attribute sysfs_nvram_attr = { |
| .attr = { |
| .name = "nvram", |
| .mode = S_IRUSR | S_IWUSR, |
| }, |
| .size = 512, |
| .read = qla2x00_sysfs_read_nvram, |
| .write = qla2x00_sysfs_write_nvram, |
| }; |
| |
| static ssize_t |
| qla2x00_sysfs_read_optrom(struct kobject *kobj, |
| struct bin_attribute *bin_attr, |
| char *buf, loff_t off, size_t count) |
| { |
| struct scsi_qla_host *ha = shost_priv(dev_to_shost(container_of(kobj, |
| struct device, kobj))); |
| |
| if (ha->optrom_state != QLA_SREADING) |
| return 0; |
| if (off > ha->optrom_region_size) |
| return 0; |
| if (off + count > ha->optrom_region_size) |
| count = ha->optrom_region_size - off; |
| |
| memcpy(buf, &ha->optrom_buffer[off], count); |
| |
| return count; |
| } |
| |
| static ssize_t |
| qla2x00_sysfs_write_optrom(struct kobject *kobj, |
| struct bin_attribute *bin_attr, |
| char *buf, loff_t off, size_t count) |
| { |
| struct scsi_qla_host *ha = shost_priv(dev_to_shost(container_of(kobj, |
| struct device, kobj))); |
| |
| if (ha->optrom_state != QLA_SWRITING) |
| return -EINVAL; |
| if (off > ha->optrom_region_size) |
| return -ERANGE; |
| if (off + count > ha->optrom_region_size) |
| count = ha->optrom_region_size - off; |
| |
| memcpy(&ha->optrom_buffer[off], buf, count); |
| |
| return count; |
| } |
| |
| static struct bin_attribute sysfs_optrom_attr = { |
| .attr = { |
| .name = "optrom", |
| .mode = S_IRUSR | S_IWUSR, |
| }, |
| .size = 0, |
| .read = qla2x00_sysfs_read_optrom, |
| .write = qla2x00_sysfs_write_optrom, |
| }; |
| |
| static ssize_t |
| qla2x00_sysfs_write_optrom_ctl(struct kobject *kobj, |
| struct bin_attribute *bin_attr, |
| char *buf, loff_t off, size_t count) |
| { |
| struct scsi_qla_host *ha = shost_priv(dev_to_shost(container_of(kobj, |
| struct device, kobj))); |
| uint32_t start = 0; |
| uint32_t size = ha->optrom_size; |
| int val, valid; |
| |
| if (off) |
| return 0; |
| |
| if (sscanf(buf, "%d:%x:%x", &val, &start, &size) < 1) |
| return -EINVAL; |
| if (start > ha->optrom_size) |
| return -EINVAL; |
| |
| switch (val) { |
| case 0: |
| if (ha->optrom_state != QLA_SREADING && |
| ha->optrom_state != QLA_SWRITING) |
| break; |
| |
| ha->optrom_state = QLA_SWAITING; |
| |
| DEBUG2(qla_printk(KERN_INFO, ha, |
| "Freeing flash region allocation -- 0x%x bytes.\n", |
| ha->optrom_region_size)); |
| |
| vfree(ha->optrom_buffer); |
| ha->optrom_buffer = NULL; |
| break; |
| case 1: |
| if (ha->optrom_state != QLA_SWAITING) |
| break; |
| |
| if (start & 0xfff) { |
| qla_printk(KERN_WARNING, ha, |
| "Invalid start region 0x%x/0x%x.\n", start, size); |
| return -EINVAL; |
| } |
| |
| ha->optrom_region_start = start; |
| ha->optrom_region_size = start + size > ha->optrom_size ? |
| ha->optrom_size - start : size; |
| |
| ha->optrom_state = QLA_SREADING; |
| ha->optrom_buffer = vmalloc(ha->optrom_region_size); |
| if (ha->optrom_buffer == NULL) { |
| qla_printk(KERN_WARNING, ha, |
| "Unable to allocate memory for optrom retrieval " |
| "(%x).\n", ha->optrom_region_size); |
| |
| ha->optrom_state = QLA_SWAITING; |
| return count; |
| } |
| |
| DEBUG2(qla_printk(KERN_INFO, ha, |
| "Reading flash region -- 0x%x/0x%x.\n", |
| ha->optrom_region_start, ha->optrom_region_size)); |
| |
| memset(ha->optrom_buffer, 0, ha->optrom_region_size); |
| ha->isp_ops->read_optrom(ha, ha->optrom_buffer, |
| ha->optrom_region_start, ha->optrom_region_size); |
| break; |
| case 2: |
| if (ha->optrom_state != QLA_SWAITING) |
| break; |
| |
| /* |
| * We need to be more restrictive on which FLASH regions are |
| * allowed to be updated via user-space. Regions accessible |
| * via this method include: |
| * |
| * ISP21xx/ISP22xx/ISP23xx type boards: |
| * |
| * 0x000000 -> 0x020000 -- Boot code. |
| * |
| * ISP2322/ISP24xx type boards: |
| * |
| * 0x000000 -> 0x07ffff -- Boot code. |
| * 0x080000 -> 0x0fffff -- Firmware. |
| * |
| * ISP25xx type boards: |
| * |
| * 0x000000 -> 0x07ffff -- Boot code. |
| * 0x080000 -> 0x0fffff -- Firmware. |
| * 0x120000 -> 0x12ffff -- VPD and HBA parameters. |
| */ |
| valid = 0; |
| if (ha->optrom_size == OPTROM_SIZE_2300 && start == 0) |
| valid = 1; |
| else if (start == (FA_BOOT_CODE_ADDR*4) || |
| start == (FA_RISC_CODE_ADDR*4)) |
| valid = 1; |
| else if (IS_QLA25XX(ha) && start == (FA_VPD_NVRAM_ADDR*4)) |
| valid = 1; |
| if (!valid) { |
| qla_printk(KERN_WARNING, ha, |
| "Invalid start region 0x%x/0x%x.\n", start, size); |
| return -EINVAL; |
| } |
| |
| ha->optrom_region_start = start; |
| ha->optrom_region_size = start + size > ha->optrom_size ? |
| ha->optrom_size - start : size; |
| |
| ha->optrom_state = QLA_SWRITING; |
| ha->optrom_buffer = vmalloc(ha->optrom_region_size); |
| if (ha->optrom_buffer == NULL) { |
| qla_printk(KERN_WARNING, ha, |
| "Unable to allocate memory for optrom update " |
| "(%x).\n", ha->optrom_region_size); |
| |
| ha->optrom_state = QLA_SWAITING; |
| return count; |
| } |
| |
| DEBUG2(qla_printk(KERN_INFO, ha, |
| "Staging flash region write -- 0x%x/0x%x.\n", |
| ha->optrom_region_start, ha->optrom_region_size)); |
| |
| memset(ha->optrom_buffer, 0, ha->optrom_region_size); |
| break; |
| case 3: |
| if (ha->optrom_state != QLA_SWRITING) |
| break; |
| |
| DEBUG2(qla_printk(KERN_INFO, ha, |
| "Writing flash region -- 0x%x/0x%x.\n", |
| ha->optrom_region_start, ha->optrom_region_size)); |
| |
| ha->isp_ops->write_optrom(ha, ha->optrom_buffer, |
| ha->optrom_region_start, ha->optrom_region_size); |
| break; |
| default: |
| count = -EINVAL; |
| } |
| return count; |
| } |
| |
| static struct bin_attribute sysfs_optrom_ctl_attr = { |
| .attr = { |
| .name = "optrom_ctl", |
| .mode = S_IWUSR, |
| }, |
| .size = 0, |
| .write = qla2x00_sysfs_write_optrom_ctl, |
| }; |
| |
| static ssize_t |
| qla2x00_sysfs_read_vpd(struct kobject *kobj, |
| struct bin_attribute *bin_attr, |
| char *buf, loff_t off, size_t count) |
| { |
| struct scsi_qla_host *ha = shost_priv(dev_to_shost(container_of(kobj, |
| struct device, kobj))); |
| int size = ha->vpd_size; |
| char *vpd_cache = ha->vpd; |
| |
| if (!capable(CAP_SYS_ADMIN) || off > size || count == 0) |
| return 0; |
| if (off + count > size) { |
| size -= off; |
| count = size; |
| } |
| |
| /* Read NVRAM data from cache. */ |
| memcpy(buf, &vpd_cache[off], count); |
| |
| return count; |
| } |
| |
| static ssize_t |
| qla2x00_sysfs_write_vpd(struct kobject *kobj, |
| struct bin_attribute *bin_attr, |
| char *buf, loff_t off, size_t count) |
| { |
| struct scsi_qla_host *ha = shost_priv(dev_to_shost(container_of(kobj, |
| struct device, kobj))); |
| unsigned long flags; |
| |
| if (!capable(CAP_SYS_ADMIN) || off != 0 || count != ha->vpd_size) |
| return 0; |
| |
| /* Write NVRAM. */ |
| spin_lock_irqsave(&ha->hardware_lock, flags); |
| ha->isp_ops->write_nvram(ha, (uint8_t *)buf, ha->vpd_base, count); |
| ha->isp_ops->read_nvram(ha, (uint8_t *)ha->vpd, ha->vpd_base, count); |
| spin_unlock_irqrestore(&ha->hardware_lock, flags); |
| |
| return count; |
| } |
| |
| static struct bin_attribute sysfs_vpd_attr = { |
| .attr = { |
| .name = "vpd", |
| .mode = S_IRUSR | S_IWUSR, |
| }, |
| .size = 0, |
| .read = qla2x00_sysfs_read_vpd, |
| .write = qla2x00_sysfs_write_vpd, |
| }; |
| |
| static ssize_t |
| qla2x00_sysfs_read_sfp(struct kobject *kobj, |
| struct bin_attribute *bin_attr, |
| char *buf, loff_t off, size_t count) |
| { |
| struct scsi_qla_host *ha = shost_priv(dev_to_shost(container_of(kobj, |
| struct device, kobj))); |
| uint16_t iter, addr, offset; |
| int rval; |
| |
| if (!capable(CAP_SYS_ADMIN) || off != 0 || count != SFP_DEV_SIZE * 2) |
| return 0; |
| |
| addr = 0xa0; |
| for (iter = 0, offset = 0; iter < (SFP_DEV_SIZE * 2) / SFP_BLOCK_SIZE; |
| iter++, offset += SFP_BLOCK_SIZE) { |
| if (iter == 4) { |
| /* Skip to next device address. */ |
| addr = 0xa2; |
| offset = 0; |
| } |
| |
| rval = qla2x00_read_sfp(ha, ha->sfp_data_dma, addr, offset, |
| SFP_BLOCK_SIZE); |
| if (rval != QLA_SUCCESS) { |
| qla_printk(KERN_WARNING, ha, |
| "Unable to read SFP data (%x/%x/%x).\n", rval, |
| addr, offset); |
| count = 0; |
| break; |
| } |
| memcpy(buf, ha->sfp_data, SFP_BLOCK_SIZE); |
| buf += SFP_BLOCK_SIZE; |
| } |
| |
| return count; |
| } |
| |
| static struct bin_attribute sysfs_sfp_attr = { |
| .attr = { |
| .name = "sfp", |
| .mode = S_IRUSR | S_IWUSR, |
| }, |
| .size = SFP_DEV_SIZE * 2, |
| .read = qla2x00_sysfs_read_sfp, |
| }; |
| |
| static struct sysfs_entry { |
| char *name; |
| struct bin_attribute *attr; |
| int is4GBp_only; |
| } bin_file_entries[] = { |
| { "fw_dump", &sysfs_fw_dump_attr, }, |
| { "nvram", &sysfs_nvram_attr, }, |
| { "optrom", &sysfs_optrom_attr, }, |
| { "optrom_ctl", &sysfs_optrom_ctl_attr, }, |
| { "vpd", &sysfs_vpd_attr, 1 }, |
| { "sfp", &sysfs_sfp_attr, 1 }, |
| { NULL }, |
| }; |
| |
| void |
| qla2x00_alloc_sysfs_attr(scsi_qla_host_t *ha) |
| { |
| struct Scsi_Host *host = ha->host; |
| struct sysfs_entry *iter; |
| int ret; |
| |
| for (iter = bin_file_entries; iter->name; iter++) { |
| if (iter->is4GBp_only && !IS_FWI2_CAPABLE(ha)) |
| continue; |
| |
| ret = sysfs_create_bin_file(&host->shost_gendev.kobj, |
| iter->attr); |
| if (ret) |
| qla_printk(KERN_INFO, ha, |
| "Unable to create sysfs %s binary attribute " |
| "(%d).\n", iter->name, ret); |
| } |
| } |
| |
| void |
| qla2x00_free_sysfs_attr(scsi_qla_host_t *ha) |
| { |
| struct Scsi_Host *host = ha->host; |
| struct sysfs_entry *iter; |
| |
| for (iter = bin_file_entries; iter->name; iter++) { |
| if (iter->is4GBp_only && !IS_FWI2_CAPABLE(ha)) |
| continue; |
| |
| sysfs_remove_bin_file(&host->shost_gendev.kobj, |
| iter->attr); |
| } |
| |
| if (ha->beacon_blink_led == 1) |
| ha->isp_ops->beacon_off(ha); |
| } |
| |
| /* Scsi_Host attributes. */ |
| |
| static ssize_t |
| qla2x00_drvr_version_show(struct class_device *cdev, char *buf) |
| { |
| return snprintf(buf, PAGE_SIZE, "%s\n", qla2x00_version_str); |
| } |
| |
| static ssize_t |
| qla2x00_fw_version_show(struct class_device *cdev, char *buf) |
| { |
| scsi_qla_host_t *ha = shost_priv(class_to_shost(cdev)); |
| char fw_str[30]; |
| |
| return snprintf(buf, PAGE_SIZE, "%s\n", |
| ha->isp_ops->fw_version_str(ha, fw_str)); |
| } |
| |
| static ssize_t |
| qla2x00_serial_num_show(struct class_device *cdev, char *buf) |
| { |
| scsi_qla_host_t *ha = shost_priv(class_to_shost(cdev)); |
| uint32_t sn; |
| |
| sn = ((ha->serial0 & 0x1f) << 16) | (ha->serial2 << 8) | ha->serial1; |
| return snprintf(buf, PAGE_SIZE, "%c%05d\n", 'A' + sn / 100000, |
| sn % 100000); |
| } |
| |
| static ssize_t |
| qla2x00_isp_name_show(struct class_device *cdev, char *buf) |
| { |
| scsi_qla_host_t *ha = shost_priv(class_to_shost(cdev)); |
| return snprintf(buf, PAGE_SIZE, "ISP%04X\n", ha->pdev->device); |
| } |
| |
| static ssize_t |
| qla2x00_isp_id_show(struct class_device *cdev, char *buf) |
| { |
| scsi_qla_host_t *ha = shost_priv(class_to_shost(cdev)); |
| return snprintf(buf, PAGE_SIZE, "%04x %04x %04x %04x\n", |
| ha->product_id[0], ha->product_id[1], ha->product_id[2], |
| ha->product_id[3]); |
| } |
| |
| static ssize_t |
| qla2x00_model_name_show(struct class_device *cdev, char *buf) |
| { |
| scsi_qla_host_t *ha = shost_priv(class_to_shost(cdev)); |
| return snprintf(buf, PAGE_SIZE, "%s\n", ha->model_number); |
| } |
| |
| static ssize_t |
| qla2x00_model_desc_show(struct class_device *cdev, char *buf) |
| { |
| scsi_qla_host_t *ha = shost_priv(class_to_shost(cdev)); |
| return snprintf(buf, PAGE_SIZE, "%s\n", |
| ha->model_desc ? ha->model_desc: ""); |
| } |
| |
| static ssize_t |
| qla2x00_pci_info_show(struct class_device *cdev, char *buf) |
| { |
| scsi_qla_host_t *ha = shost_priv(class_to_shost(cdev)); |
| char pci_info[30]; |
| |
| return snprintf(buf, PAGE_SIZE, "%s\n", |
| ha->isp_ops->pci_info_str(ha, pci_info)); |
| } |
| |
| static ssize_t |
| qla2x00_state_show(struct class_device *cdev, char *buf) |
| { |
| scsi_qla_host_t *ha = shost_priv(class_to_shost(cdev)); |
| int len = 0; |
| |
| if (atomic_read(&ha->loop_state) == LOOP_DOWN || |
| atomic_read(&ha->loop_state) == LOOP_DEAD) |
| len = snprintf(buf, PAGE_SIZE, "Link Down\n"); |
| else if (atomic_read(&ha->loop_state) != LOOP_READY || |
| test_bit(ABORT_ISP_ACTIVE, &ha->dpc_flags) || |
| test_bit(ISP_ABORT_NEEDED, &ha->dpc_flags)) |
| len = snprintf(buf, PAGE_SIZE, "Unknown Link State\n"); |
| else { |
| len = snprintf(buf, PAGE_SIZE, "Link Up - "); |
| |
| switch (ha->current_topology) { |
| case ISP_CFG_NL: |
| len += snprintf(buf + len, PAGE_SIZE-len, "Loop\n"); |
| break; |
| case ISP_CFG_FL: |
| len += snprintf(buf + len, PAGE_SIZE-len, "FL_Port\n"); |
| break; |
| case ISP_CFG_N: |
| len += snprintf(buf + len, PAGE_SIZE-len, |
| "N_Port to N_Port\n"); |
| break; |
| case ISP_CFG_F: |
| len += snprintf(buf + len, PAGE_SIZE-len, "F_Port\n"); |
| break; |
| default: |
| len += snprintf(buf + len, PAGE_SIZE-len, "Loop\n"); |
| break; |
| } |
| } |
| return len; |
| } |
| |
| static ssize_t |
| qla2x00_zio_show(struct class_device *cdev, char *buf) |
| { |
| scsi_qla_host_t *ha = shost_priv(class_to_shost(cdev)); |
| int len = 0; |
| |
| switch (ha->zio_mode) { |
| case QLA_ZIO_MODE_6: |
| len += snprintf(buf + len, PAGE_SIZE-len, "Mode 6\n"); |
| break; |
| case QLA_ZIO_DISABLED: |
| len += snprintf(buf + len, PAGE_SIZE-len, "Disabled\n"); |
| break; |
| } |
| return len; |
| } |
| |
| static ssize_t |
| qla2x00_zio_store(struct class_device *cdev, const char *buf, size_t count) |
| { |
| scsi_qla_host_t *ha = shost_priv(class_to_shost(cdev)); |
| int val = 0; |
| uint16_t zio_mode; |
| |
| if (!IS_ZIO_SUPPORTED(ha)) |
| return -ENOTSUPP; |
| |
| if (sscanf(buf, "%d", &val) != 1) |
| return -EINVAL; |
| |
| if (val) |
| zio_mode = QLA_ZIO_MODE_6; |
| else |
| zio_mode = QLA_ZIO_DISABLED; |
| |
| /* Update per-hba values and queue a reset. */ |
| if (zio_mode != QLA_ZIO_DISABLED || ha->zio_mode != QLA_ZIO_DISABLED) { |
| ha->zio_mode = zio_mode; |
| set_bit(ISP_ABORT_NEEDED, &ha->dpc_flags); |
| } |
| return strlen(buf); |
| } |
| |
| static ssize_t |
| qla2x00_zio_timer_show(struct class_device *cdev, char *buf) |
| { |
| scsi_qla_host_t *ha = shost_priv(class_to_shost(cdev)); |
| |
| return snprintf(buf, PAGE_SIZE, "%d us\n", ha->zio_timer * 100); |
| } |
| |
| static ssize_t |
| qla2x00_zio_timer_store(struct class_device *cdev, const char *buf, |
| size_t count) |
| { |
| scsi_qla_host_t *ha = shost_priv(class_to_shost(cdev)); |
| int val = 0; |
| uint16_t zio_timer; |
| |
| if (sscanf(buf, "%d", &val) != 1) |
| return -EINVAL; |
| if (val > 25500 || val < 100) |
| return -ERANGE; |
| |
| zio_timer = (uint16_t)(val / 100); |
| ha->zio_timer = zio_timer; |
| |
| return strlen(buf); |
| } |
| |
| static ssize_t |
| qla2x00_beacon_show(struct class_device *cdev, char *buf) |
| { |
| scsi_qla_host_t *ha = shost_priv(class_to_shost(cdev)); |
| int len = 0; |
| |
| if (ha->beacon_blink_led) |
| len += snprintf(buf + len, PAGE_SIZE-len, "Enabled\n"); |
| else |
| len += snprintf(buf + len, PAGE_SIZE-len, "Disabled\n"); |
| return len; |
| } |
| |
| static ssize_t |
| qla2x00_beacon_store(struct class_device *cdev, const char *buf, |
| size_t count) |
| { |
| scsi_qla_host_t *ha = shost_priv(class_to_shost(cdev)); |
| int val = 0; |
| int rval; |
| |
| if (IS_QLA2100(ha) || IS_QLA2200(ha)) |
| return -EPERM; |
| |
| if (test_bit(ABORT_ISP_ACTIVE, &ha->dpc_flags)) { |
| qla_printk(KERN_WARNING, ha, |
| "Abort ISP active -- ignoring beacon request.\n"); |
| return -EBUSY; |
| } |
| |
| if (sscanf(buf, "%d", &val) != 1) |
| return -EINVAL; |
| |
| if (val) |
| rval = ha->isp_ops->beacon_on(ha); |
| else |
| rval = ha->isp_ops->beacon_off(ha); |
| |
| if (rval != QLA_SUCCESS) |
| count = 0; |
| |
| return count; |
| } |
| |
| static ssize_t |
| qla2x00_optrom_bios_version_show(struct class_device *cdev, char *buf) |
| { |
| scsi_qla_host_t *ha = shost_priv(class_to_shost(cdev)); |
| |
| return snprintf(buf, PAGE_SIZE, "%d.%02d\n", ha->bios_revision[1], |
| ha->bios_revision[0]); |
| } |
| |
| static ssize_t |
| qla2x00_optrom_efi_version_show(struct class_device *cdev, char *buf) |
| { |
| scsi_qla_host_t *ha = shost_priv(class_to_shost(cdev)); |
| |
| return snprintf(buf, PAGE_SIZE, "%d.%02d\n", ha->efi_revision[1], |
| ha->efi_revision[0]); |
| } |
| |
| static ssize_t |
| qla2x00_optrom_fcode_version_show(struct class_device *cdev, char *buf) |
| { |
| scsi_qla_host_t *ha = shost_priv(class_to_shost(cdev)); |
| |
| return snprintf(buf, PAGE_SIZE, "%d.%02d\n", ha->fcode_revision[1], |
| ha->fcode_revision[0]); |
| } |
| |
| static ssize_t |
| qla2x00_optrom_fw_version_show(struct class_device *cdev, char *buf) |
| { |
| scsi_qla_host_t *ha = shost_priv(class_to_shost(cdev)); |
| |
| return snprintf(buf, PAGE_SIZE, "%d.%02d.%02d %d\n", |
| ha->fw_revision[0], ha->fw_revision[1], ha->fw_revision[2], |
| ha->fw_revision[3]); |
| } |
| |
| static CLASS_DEVICE_ATTR(driver_version, S_IRUGO, qla2x00_drvr_version_show, |
| NULL); |
| static CLASS_DEVICE_ATTR(fw_version, S_IRUGO, qla2x00_fw_version_show, NULL); |
| static CLASS_DEVICE_ATTR(serial_num, S_IRUGO, qla2x00_serial_num_show, NULL); |
| static CLASS_DEVICE_ATTR(isp_name, S_IRUGO, qla2x00_isp_name_show, NULL); |
| static CLASS_DEVICE_ATTR(isp_id, S_IRUGO, qla2x00_isp_id_show, NULL); |
| static CLASS_DEVICE_ATTR(model_name, S_IRUGO, qla2x00_model_name_show, NULL); |
| static CLASS_DEVICE_ATTR(model_desc, S_IRUGO, qla2x00_model_desc_show, NULL); |
| static CLASS_DEVICE_ATTR(pci_info, S_IRUGO, qla2x00_pci_info_show, NULL); |
| static CLASS_DEVICE_ATTR(state, S_IRUGO, qla2x00_state_show, NULL); |
| static CLASS_DEVICE_ATTR(zio, S_IRUGO | S_IWUSR, qla2x00_zio_show, |
| qla2x00_zio_store); |
| static CLASS_DEVICE_ATTR(zio_timer, S_IRUGO | S_IWUSR, qla2x00_zio_timer_show, |
| qla2x00_zio_timer_store); |
| static CLASS_DEVICE_ATTR(beacon, S_IRUGO | S_IWUSR, qla2x00_beacon_show, |
| qla2x00_beacon_store); |
| static CLASS_DEVICE_ATTR(optrom_bios_version, S_IRUGO, |
| qla2x00_optrom_bios_version_show, NULL); |
| static CLASS_DEVICE_ATTR(optrom_efi_version, S_IRUGO, |
| qla2x00_optrom_efi_version_show, NULL); |
| static CLASS_DEVICE_ATTR(optrom_fcode_version, S_IRUGO, |
| qla2x00_optrom_fcode_version_show, NULL); |
| static CLASS_DEVICE_ATTR(optrom_fw_version, S_IRUGO, |
| qla2x00_optrom_fw_version_show, NULL); |
| |
| struct class_device_attribute *qla2x00_host_attrs[] = { |
| &class_device_attr_driver_version, |
| &class_device_attr_fw_version, |
| &class_device_attr_serial_num, |
| &class_device_attr_isp_name, |
| &class_device_attr_isp_id, |
| &class_device_attr_model_name, |
| &class_device_attr_model_desc, |
| &class_device_attr_pci_info, |
| &class_device_attr_state, |
| &class_device_attr_zio, |
| &class_device_attr_zio_timer, |
| &class_device_attr_beacon, |
| &class_device_attr_optrom_bios_version, |
| &class_device_attr_optrom_efi_version, |
| &class_device_attr_optrom_fcode_version, |
| &class_device_attr_optrom_fw_version, |
| NULL, |
| }; |
| |
| /* Host attributes. */ |
| |
| static void |
| qla2x00_get_host_port_id(struct Scsi_Host *shost) |
| { |
| scsi_qla_host_t *ha = shost_priv(shost); |
| |
| fc_host_port_id(shost) = ha->d_id.b.domain << 16 | |
| ha->d_id.b.area << 8 | ha->d_id.b.al_pa; |
| } |
| |
| static void |
| qla2x00_get_host_speed(struct Scsi_Host *shost) |
| { |
| scsi_qla_host_t *ha = shost_priv(shost); |
| uint32_t speed = 0; |
| |
| switch (ha->link_data_rate) { |
| case PORT_SPEED_1GB: |
| speed = 1; |
| break; |
| case PORT_SPEED_2GB: |
| speed = 2; |
| break; |
| case PORT_SPEED_4GB: |
| speed = 4; |
| break; |
| } |
| fc_host_speed(shost) = speed; |
| } |
| |
| static void |
| qla2x00_get_host_port_type(struct Scsi_Host *shost) |
| { |
| scsi_qla_host_t *ha = shost_priv(shost); |
| uint32_t port_type = FC_PORTTYPE_UNKNOWN; |
| |
| switch (ha->current_topology) { |
| case ISP_CFG_NL: |
| port_type = FC_PORTTYPE_LPORT; |
| break; |
| case ISP_CFG_FL: |
| port_type = FC_PORTTYPE_NLPORT; |
| break; |
| case ISP_CFG_N: |
| port_type = FC_PORTTYPE_PTP; |
| break; |
| case ISP_CFG_F: |
| port_type = FC_PORTTYPE_NPORT; |
| break; |
| } |
| fc_host_port_type(shost) = port_type; |
| } |
| |
| static void |
| qla2x00_get_starget_node_name(struct scsi_target *starget) |
| { |
| struct Scsi_Host *host = dev_to_shost(starget->dev.parent); |
| scsi_qla_host_t *ha = shost_priv(host); |
| fc_port_t *fcport; |
| u64 node_name = 0; |
| |
| list_for_each_entry(fcport, &ha->fcports, list) { |
| if (starget->id == fcport->os_target_id) { |
| node_name = wwn_to_u64(fcport->node_name); |
| break; |
| } |
| } |
| |
| fc_starget_node_name(starget) = node_name; |
| } |
| |
| static void |
| qla2x00_get_starget_port_name(struct scsi_target *starget) |
| { |
| struct Scsi_Host *host = dev_to_shost(starget->dev.parent); |
| scsi_qla_host_t *ha = shost_priv(host); |
| fc_port_t *fcport; |
| u64 port_name = 0; |
| |
| list_for_each_entry(fcport, &ha->fcports, list) { |
| if (starget->id == fcport->os_target_id) { |
| port_name = wwn_to_u64(fcport->port_name); |
| break; |
| } |
| } |
| |
| fc_starget_port_name(starget) = port_name; |
| } |
| |
| static void |
| qla2x00_get_starget_port_id(struct scsi_target *starget) |
| { |
| struct Scsi_Host *host = dev_to_shost(starget->dev.parent); |
| scsi_qla_host_t *ha = shost_priv(host); |
| fc_port_t *fcport; |
| uint32_t port_id = ~0U; |
| |
| list_for_each_entry(fcport, &ha->fcports, list) { |
| if (starget->id == fcport->os_target_id) { |
| port_id = fcport->d_id.b.domain << 16 | |
| fcport->d_id.b.area << 8 | fcport->d_id.b.al_pa; |
| break; |
| } |
| } |
| |
| fc_starget_port_id(starget) = port_id; |
| } |
| |
| static void |
| qla2x00_get_rport_loss_tmo(struct fc_rport *rport) |
| { |
| struct Scsi_Host *host = rport_to_shost(rport); |
| scsi_qla_host_t *ha = shost_priv(host); |
| |
| rport->dev_loss_tmo = ha->port_down_retry_count + 5; |
| } |
| |
| static void |
| qla2x00_set_rport_loss_tmo(struct fc_rport *rport, uint32_t timeout) |
| { |
| struct Scsi_Host *host = rport_to_shost(rport); |
| scsi_qla_host_t *ha = shost_priv(host); |
| |
| if (timeout) |
| ha->port_down_retry_count = timeout; |
| else |
| ha->port_down_retry_count = 1; |
| |
| rport->dev_loss_tmo = ha->port_down_retry_count + 5; |
| } |
| |
| static int |
| qla2x00_issue_lip(struct Scsi_Host *shost) |
| { |
| scsi_qla_host_t *ha = shost_priv(shost); |
| |
| set_bit(LOOP_RESET_NEEDED, &ha->dpc_flags); |
| return 0; |
| } |
| |
| static struct fc_host_statistics * |
| qla2x00_get_fc_host_stats(struct Scsi_Host *shost) |
| { |
| scsi_qla_host_t *ha = shost_priv(shost); |
| int rval; |
| uint16_t mb_stat[1]; |
| link_stat_t stat_buf; |
| struct fc_host_statistics *pfc_host_stat; |
| |
| rval = QLA_FUNCTION_FAILED; |
| pfc_host_stat = &ha->fc_host_stat; |
| memset(pfc_host_stat, -1, sizeof(struct fc_host_statistics)); |
| |
| if (IS_FWI2_CAPABLE(ha)) { |
| rval = qla24xx_get_isp_stats(ha, (uint32_t *)&stat_buf, |
| sizeof(stat_buf) / 4, mb_stat); |
| } else if (atomic_read(&ha->loop_state) == LOOP_READY && |
| !test_bit(ABORT_ISP_ACTIVE, &ha->dpc_flags) && |
| !test_bit(ISP_ABORT_NEEDED, &ha->dpc_flags) && |
| !ha->dpc_active) { |
| /* Must be in a 'READY' state for statistics retrieval. */ |
| rval = qla2x00_get_link_status(ha, ha->loop_id, &stat_buf, |
| mb_stat); |
| } |
| |
| if (rval != QLA_SUCCESS) |
| goto done; |
| |
| pfc_host_stat->link_failure_count = stat_buf.link_fail_cnt; |
| pfc_host_stat->loss_of_sync_count = stat_buf.loss_sync_cnt; |
| pfc_host_stat->loss_of_signal_count = stat_buf.loss_sig_cnt; |
| pfc_host_stat->prim_seq_protocol_err_count = stat_buf.prim_seq_err_cnt; |
| pfc_host_stat->invalid_tx_word_count = stat_buf.inval_xmit_word_cnt; |
| pfc_host_stat->invalid_crc_count = stat_buf.inval_crc_cnt; |
| done: |
| return pfc_host_stat; |
| } |
| |
| static void |
| qla2x00_get_host_symbolic_name(struct Scsi_Host *shost) |
| { |
| scsi_qla_host_t *ha = shost_priv(shost); |
| |
| qla2x00_get_sym_node_name(ha, fc_host_symbolic_name(shost)); |
| } |
| |
| static void |
| qla2x00_set_host_system_hostname(struct Scsi_Host *shost) |
| { |
| scsi_qla_host_t *ha = shost_priv(shost); |
| |
| set_bit(REGISTER_FDMI_NEEDED, &ha->dpc_flags); |
| } |
| |
| static void |
| qla2x00_get_host_fabric_name(struct Scsi_Host *shost) |
| { |
| scsi_qla_host_t *ha = shost_priv(shost); |
| u64 node_name; |
| |
| if (ha->device_flags & SWITCH_FOUND) |
| node_name = wwn_to_u64(ha->fabric_node_name); |
| else |
| node_name = wwn_to_u64(ha->node_name); |
| |
| fc_host_fabric_name(shost) = node_name; |
| } |
| |
| static void |
| qla2x00_get_host_port_state(struct Scsi_Host *shost) |
| { |
| scsi_qla_host_t *ha = shost_priv(shost); |
| |
| if (!ha->flags.online) |
| fc_host_port_state(shost) = FC_PORTSTATE_OFFLINE; |
| else if (atomic_read(&ha->loop_state) == LOOP_TIMEOUT) |
| fc_host_port_state(shost) = FC_PORTSTATE_UNKNOWN; |
| else |
| fc_host_port_state(shost) = FC_PORTSTATE_ONLINE; |
| } |
| |
| static int |
| qla24xx_vport_create(struct fc_vport *fc_vport, bool disable) |
| { |
| int ret = 0; |
| scsi_qla_host_t *ha = shost_priv(fc_vport->shost); |
| scsi_qla_host_t *vha; |
| |
| ret = qla24xx_vport_create_req_sanity_check(fc_vport); |
| if (ret) { |
| DEBUG15(printk("qla24xx_vport_create_req_sanity_check failed, " |
| "status %x\n", ret)); |
| return (ret); |
| } |
| |
| vha = qla24xx_create_vhost(fc_vport); |
| if (vha == NULL) { |
| DEBUG15(printk ("qla24xx_create_vhost failed, vha = %p\n", |
| vha)); |
| return FC_VPORT_FAILED; |
| } |
| if (disable) { |
| atomic_set(&vha->vp_state, VP_OFFLINE); |
| fc_vport_set_state(fc_vport, FC_VPORT_DISABLED); |
| } else |
| atomic_set(&vha->vp_state, VP_FAILED); |
| |
| /* ready to create vport */ |
| qla_printk(KERN_INFO, vha, "VP entry id %d assigned.\n", vha->vp_idx); |
| |
| /* initialized vport states */ |
| atomic_set(&vha->loop_state, LOOP_DOWN); |
| vha->vp_err_state= VP_ERR_PORTDWN; |
| vha->vp_prev_err_state= VP_ERR_UNKWN; |
| /* Check if physical ha port is Up */ |
| if (atomic_read(&ha->loop_state) == LOOP_DOWN || |
| atomic_read(&ha->loop_state) == LOOP_DEAD) { |
| /* Don't retry or attempt login of this virtual port */ |
| DEBUG15(printk ("scsi(%ld): pport loop_state is not UP.\n", |
| vha->host_no)); |
| atomic_set(&vha->loop_state, LOOP_DEAD); |
| if (!disable) |
| fc_vport_set_state(fc_vport, FC_VPORT_LINKDOWN); |
| } |
| |
| if (scsi_add_host(vha->host, &fc_vport->dev)) { |
| DEBUG15(printk("scsi(%ld): scsi_add_host failure for VP[%d].\n", |
| vha->host_no, vha->vp_idx)); |
| goto vport_create_failed_2; |
| } |
| |
| /* initialize attributes */ |
| fc_host_node_name(vha->host) = wwn_to_u64(vha->node_name); |
| fc_host_port_name(vha->host) = wwn_to_u64(vha->port_name); |
| fc_host_supported_classes(vha->host) = |
| fc_host_supported_classes(ha->host); |
| fc_host_supported_speeds(vha->host) = |
| fc_host_supported_speeds(ha->host); |
| |
| qla24xx_vport_disable(fc_vport, disable); |
| |
| return 0; |
| vport_create_failed_2: |
| qla24xx_disable_vp(vha); |
| qla24xx_deallocate_vp_id(vha); |
| kfree(vha->port_name); |
| kfree(vha->node_name); |
| scsi_host_put(vha->host); |
| return FC_VPORT_FAILED; |
| } |
| |
| int |
| qla24xx_vport_delete(struct fc_vport *fc_vport) |
| { |
| scsi_qla_host_t *ha = shost_priv(fc_vport->shost); |
| scsi_qla_host_t *vha = fc_vport->dd_data; |
| |
| qla24xx_disable_vp(vha); |
| qla24xx_deallocate_vp_id(vha); |
| |
| down(&ha->vport_sem); |
| ha->cur_vport_count--; |
| clear_bit(vha->vp_idx, (unsigned long *)ha->vp_idx_map); |
| up(&ha->vport_sem); |
| |
| kfree(vha->node_name); |
| kfree(vha->port_name); |
| |
| if (vha->timer_active) { |
| qla2x00_vp_stop_timer(vha); |
| DEBUG15(printk ("scsi(%ld): timer for the vport[%d] = %p " |
| "has stopped\n", |
| vha->host_no, vha->vp_idx, vha)); |
| } |
| |
| fc_remove_host(vha->host); |
| |
| scsi_remove_host(vha->host); |
| |
| scsi_host_put(vha->host); |
| |
| return 0; |
| } |
| |
| int |
| qla24xx_vport_disable(struct fc_vport *fc_vport, bool disable) |
| { |
| scsi_qla_host_t *vha = fc_vport->dd_data; |
| |
| if (disable) |
| qla24xx_disable_vp(vha); |
| else |
| qla24xx_enable_vp(vha); |
| |
| return 0; |
| } |
| |
| struct fc_function_template qla2xxx_transport_functions = { |
| |
| .show_host_node_name = 1, |
| .show_host_port_name = 1, |
| .show_host_supported_classes = 1, |
| |
| .get_host_port_id = qla2x00_get_host_port_id, |
| .show_host_port_id = 1, |
| .get_host_speed = qla2x00_get_host_speed, |
| .show_host_speed = 1, |
| .get_host_port_type = qla2x00_get_host_port_type, |
| .show_host_port_type = 1, |
| .get_host_symbolic_name = qla2x00_get_host_symbolic_name, |
| .show_host_symbolic_name = 1, |
| .set_host_system_hostname = qla2x00_set_host_system_hostname, |
| .show_host_system_hostname = 1, |
| .get_host_fabric_name = qla2x00_get_host_fabric_name, |
| .show_host_fabric_name = 1, |
| .get_host_port_state = qla2x00_get_host_port_state, |
| .show_host_port_state = 1, |
| |
| .dd_fcrport_size = sizeof(struct fc_port *), |
| .show_rport_supported_classes = 1, |
| |
| .get_starget_node_name = qla2x00_get_starget_node_name, |
| .show_starget_node_name = 1, |
| .get_starget_port_name = qla2x00_get_starget_port_name, |
| .show_starget_port_name = 1, |
| .get_starget_port_id = qla2x00_get_starget_port_id, |
| .show_starget_port_id = 1, |
| |
| .get_rport_dev_loss_tmo = qla2x00_get_rport_loss_tmo, |
| .set_rport_dev_loss_tmo = qla2x00_set_rport_loss_tmo, |
| .show_rport_dev_loss_tmo = 1, |
| |
| .issue_fc_host_lip = qla2x00_issue_lip, |
| .get_fc_host_stats = qla2x00_get_fc_host_stats, |
| |
| .vport_create = qla24xx_vport_create, |
| .vport_disable = qla24xx_vport_disable, |
| .vport_delete = qla24xx_vport_delete, |
| }; |
| |
| struct fc_function_template qla2xxx_transport_vport_functions = { |
| |
| .show_host_node_name = 1, |
| .show_host_port_name = 1, |
| .show_host_supported_classes = 1, |
| |
| .get_host_port_id = qla2x00_get_host_port_id, |
| .show_host_port_id = 1, |
| .get_host_speed = qla2x00_get_host_speed, |
| .show_host_speed = 1, |
| .get_host_port_type = qla2x00_get_host_port_type, |
| .show_host_port_type = 1, |
| .get_host_symbolic_name = qla2x00_get_host_symbolic_name, |
| .show_host_symbolic_name = 1, |
| .set_host_system_hostname = qla2x00_set_host_system_hostname, |
| .show_host_system_hostname = 1, |
| .get_host_fabric_name = qla2x00_get_host_fabric_name, |
| .show_host_fabric_name = 1, |
| .get_host_port_state = qla2x00_get_host_port_state, |
| .show_host_port_state = 1, |
| |
| .dd_fcrport_size = sizeof(struct fc_port *), |
| .show_rport_supported_classes = 1, |
| |
| .get_starget_node_name = qla2x00_get_starget_node_name, |
| .show_starget_node_name = 1, |
| .get_starget_port_name = qla2x00_get_starget_port_name, |
| .show_starget_port_name = 1, |
| .get_starget_port_id = qla2x00_get_starget_port_id, |
| .show_starget_port_id = 1, |
| |
| .get_rport_dev_loss_tmo = qla2x00_get_rport_loss_tmo, |
| .set_rport_dev_loss_tmo = qla2x00_set_rport_loss_tmo, |
| .show_rport_dev_loss_tmo = 1, |
| |
| .issue_fc_host_lip = qla2x00_issue_lip, |
| .get_fc_host_stats = qla2x00_get_fc_host_stats, |
| }; |
| |
| void |
| qla2x00_init_host_attr(scsi_qla_host_t *ha) |
| { |
| fc_host_node_name(ha->host) = wwn_to_u64(ha->node_name); |
| fc_host_port_name(ha->host) = wwn_to_u64(ha->port_name); |
| fc_host_supported_classes(ha->host) = FC_COS_CLASS3; |
| fc_host_max_npiv_vports(ha->host) = ha->max_npiv_vports;; |
| fc_host_npiv_vports_inuse(ha->host) = ha->cur_vport_count; |
| } |