diff options
Diffstat (limited to 'drivers/scsi/lpfc/lpfc_attr.c')
| -rw-r--r-- | drivers/scsi/lpfc/lpfc_attr.c | 228 |
1 files changed, 0 insertions, 228 deletions
diff --git a/drivers/scsi/lpfc/lpfc_attr.c b/drivers/scsi/lpfc/lpfc_attr.c index fa8415259cb8..9b982cc270d9 100644 --- a/drivers/scsi/lpfc/lpfc_attr.c +++ b/drivers/scsi/lpfc/lpfc_attr.c @@ -2838,7 +2838,6 @@ static DEVICE_ATTR(lpfc_xlane_supported, S_IRUGO, lpfc_oas_supported_show, NULL); static DEVICE_ATTR(cmf_info, 0444, lpfc_cmf_info_show, NULL); -static char *lpfc_soft_wwn_key = "C99G71SL8032A"; #define WWN_SZ 8 /** * lpfc_wwn_set - Convert string to the 8 byte WWN value. @@ -2882,229 +2881,7 @@ lpfc_wwn_set(const char *buf, size_t cnt, char wwn[]) } return 0; } -/** - * lpfc_soft_wwn_enable_store - Allows setting of the wwn if the key is valid - * @dev: class device that is converted into a Scsi_host. - * @attr: device attribute, not used. - * @buf: containing the string lpfc_soft_wwn_key. - * @count: must be size of lpfc_soft_wwn_key. - * - * Returns: - * -EINVAL if the buffer does not contain lpfc_soft_wwn_key - * length of buf indicates success - **/ -static ssize_t -lpfc_soft_wwn_enable_store(struct device *dev, struct device_attribute *attr, - const char *buf, size_t count) -{ - struct Scsi_Host *shost = class_to_shost(dev); - struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; - struct lpfc_hba *phba = vport->phba; - unsigned int cnt = count; - uint8_t vvvl = vport->fc_sparam.cmn.valid_vendor_ver_level; - u32 *fawwpn_key = (uint32_t *)&vport->fc_sparam.un.vendorVersion[0]; - - /* - * We're doing a simple sanity check for soft_wwpn setting. - * We require that the user write a specific key to enable - * the soft_wwpn attribute to be settable. Once the attribute - * is written, the enable key resets. If further updates are - * desired, the key must be written again to re-enable the - * attribute. - * - * The "key" is not secret - it is a hardcoded string shown - * here. The intent is to protect against the random user or - * application that is just writing attributes. - */ - if (vvvl == 1 && cpu_to_be32(*fawwpn_key) == FAPWWN_KEY_VENDOR) { - lpfc_printf_log(phba, KERN_ERR, LOG_INIT, - "0051 lpfc soft wwpn can not be enabled: " - "fawwpn is enabled\n"); - return -EINVAL; - } - - /* count may include a LF at end of string */ - if (buf[cnt-1] == '\n') - cnt--; - - if ((cnt != strlen(lpfc_soft_wwn_key)) || - (strncmp(buf, lpfc_soft_wwn_key, strlen(lpfc_soft_wwn_key)) != 0)) - return -EINVAL; - - phba->soft_wwn_enable = 1; - - dev_printk(KERN_WARNING, &phba->pcidev->dev, - "lpfc%d: soft_wwpn assignment has been enabled.\n", - phba->brd_no); - dev_printk(KERN_WARNING, &phba->pcidev->dev, - " The soft_wwpn feature is not supported by Broadcom."); - - return count; -} -static DEVICE_ATTR_WO(lpfc_soft_wwn_enable); - -/** - * lpfc_soft_wwpn_show - Return the cfg soft ww port name of the adapter - * @dev: class device that is converted into a Scsi_host. - * @attr: device attribute, not used. - * @buf: on return contains the wwpn in hexadecimal. - * - * Returns: size of formatted string. - **/ -static ssize_t -lpfc_soft_wwpn_show(struct device *dev, struct device_attribute *attr, - char *buf) -{ - struct Scsi_Host *shost = class_to_shost(dev); - struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; - struct lpfc_hba *phba = vport->phba; - - return scnprintf(buf, PAGE_SIZE, "0x%llx\n", - (unsigned long long)phba->cfg_soft_wwpn); -} - -/** - * lpfc_soft_wwpn_store - Set the ww port name of the adapter - * @dev: class device that is converted into a Scsi_host. - * @attr: device attribute, not used. - * @buf: contains the wwpn in hexadecimal. - * @count: number of wwpn bytes in buf - * - * Returns: - * -EACCES hba reset not enabled, adapter over temp - * -EINVAL soft wwn not enabled, count is invalid, invalid wwpn byte invalid - * -EIO error taking adapter offline or online - * value of count on success - **/ -static ssize_t -lpfc_soft_wwpn_store(struct device *dev, struct device_attribute *attr, - const char *buf, size_t count) -{ - struct Scsi_Host *shost = class_to_shost(dev); - struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; - struct lpfc_hba *phba = vport->phba; - struct completion online_compl; - int stat1 = 0, stat2 = 0; - unsigned int cnt = count; - u8 wwpn[WWN_SZ]; - int rc; - - if (!phba->cfg_enable_hba_reset) - return -EACCES; - spin_lock_irq(&phba->hbalock); - if (phba->over_temp_state == HBA_OVER_TEMP) { - spin_unlock_irq(&phba->hbalock); - return -EACCES; - } - spin_unlock_irq(&phba->hbalock); - /* count may include a LF at end of string */ - if (buf[cnt-1] == '\n') - cnt--; - - if (!phba->soft_wwn_enable) - return -EINVAL; - - /* lock setting wwpn, wwnn down */ - phba->soft_wwn_enable = 0; - - rc = lpfc_wwn_set(buf, cnt, wwpn); - if (rc) { - /* not able to set wwpn, unlock it */ - phba->soft_wwn_enable = 1; - return rc; - } - - phba->cfg_soft_wwpn = wwn_to_u64(wwpn); - fc_host_port_name(shost) = phba->cfg_soft_wwpn; - if (phba->cfg_soft_wwnn) - fc_host_node_name(shost) = phba->cfg_soft_wwnn; - - dev_printk(KERN_NOTICE, &phba->pcidev->dev, - "lpfc%d: Reinitializing to use soft_wwpn\n", phba->brd_no); - - stat1 = lpfc_do_offline(phba, LPFC_EVT_OFFLINE); - if (stat1) - lpfc_printf_log(phba, KERN_ERR, LOG_INIT, - "0463 lpfc_soft_wwpn attribute set failed to " - "reinit adapter - %d\n", stat1); - init_completion(&online_compl); - rc = lpfc_workq_post_event(phba, &stat2, &online_compl, - LPFC_EVT_ONLINE); - if (rc == 0) - return -ENOMEM; - wait_for_completion(&online_compl); - if (stat2) - lpfc_printf_log(phba, KERN_ERR, LOG_INIT, - "0464 lpfc_soft_wwpn attribute set failed to " - "reinit adapter - %d\n", stat2); - return (stat1 || stat2) ? -EIO : count; -} -static DEVICE_ATTR_RW(lpfc_soft_wwpn); - -/** - * lpfc_soft_wwnn_show - Return the cfg soft ww node name for the adapter - * @dev: class device that is converted into a Scsi_host. - * @attr: device attribute, not used. - * @buf: on return contains the wwnn in hexadecimal. - * - * Returns: size of formatted string. - **/ -static ssize_t -lpfc_soft_wwnn_show(struct device *dev, struct device_attribute *attr, - char *buf) -{ - struct Scsi_Host *shost = class_to_shost(dev); - struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba; - return scnprintf(buf, PAGE_SIZE, "0x%llx\n", - (unsigned long long)phba->cfg_soft_wwnn); -} - -/** - * lpfc_soft_wwnn_store - sets the ww node name of the adapter - * @dev: class device that is converted into a Scsi_host. - * @attr: device attribute, not used. - * @buf: contains the ww node name in hexadecimal. - * @count: number of wwnn bytes in buf. - * - * Returns: - * -EINVAL soft wwn not enabled, count is invalid, invalid wwnn byte invalid - * value of count on success - **/ -static ssize_t -lpfc_soft_wwnn_store(struct device *dev, struct device_attribute *attr, - const char *buf, size_t count) -{ - struct Scsi_Host *shost = class_to_shost(dev); - struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba; - unsigned int cnt = count; - u8 wwnn[WWN_SZ]; - int rc; - - /* count may include a LF at end of string */ - if (buf[cnt-1] == '\n') - cnt--; - - if (!phba->soft_wwn_enable) - return -EINVAL; - - rc = lpfc_wwn_set(buf, cnt, wwnn); - if (rc) { - /* Allow wwnn to be set many times, as long as the enable - * is set. However, once the wwpn is set, everything locks. - */ - return rc; - } - - phba->cfg_soft_wwnn = wwn_to_u64(wwnn); - - dev_printk(KERN_NOTICE, &phba->pcidev->dev, - "lpfc%d: soft_wwnn set. Value will take effect upon " - "setting of the soft_wwpn\n", phba->brd_no); - - return count; -} -static DEVICE_ATTR_RW(lpfc_soft_wwnn); /** * lpfc_oas_tgt_show - Return wwpn of target whose luns maybe enabled for @@ -6498,9 +6275,6 @@ static struct attribute *lpfc_hba_attrs[] = { &dev_attr_lpfc_nvme_enable_fb.attr, &dev_attr_lpfc_nvmet_fb_size.attr, &dev_attr_lpfc_enable_bg.attr, - &dev_attr_lpfc_soft_wwnn.attr, - &dev_attr_lpfc_soft_wwpn.attr, - &dev_attr_lpfc_soft_wwn_enable.attr, &dev_attr_lpfc_enable_hba_reset.attr, &dev_attr_lpfc_enable_hba_heartbeat.attr, &dev_attr_lpfc_EnableXLane.attr, @@ -7730,8 +7504,6 @@ lpfc_get_cfgparam(struct lpfc_hba *phba) phba->sli_rev == LPFC_SLI_REV4) phba->cfg_irq_chann = phba->cfg_hdw_queue; - phba->cfg_soft_wwnn = 0L; - phba->cfg_soft_wwpn = 0L; lpfc_sg_seg_cnt_init(phba, lpfc_sg_seg_cnt); lpfc_hba_queue_depth_init(phba, lpfc_hba_queue_depth); lpfc_aer_support_init(phba, lpfc_aer_support); |