diff options
Diffstat (limited to 'drivers/scsi/lpfc/lpfc_attr.c')
| -rw-r--r-- | drivers/scsi/lpfc/lpfc_attr.c | 237 |
1 files changed, 109 insertions, 128 deletions
diff --git a/drivers/scsi/lpfc/lpfc_attr.c b/drivers/scsi/lpfc/lpfc_attr.c index cfec2eca4dd3..f1019908800e 100644 --- a/drivers/scsi/lpfc/lpfc_attr.c +++ b/drivers/scsi/lpfc/lpfc_attr.c @@ -48,6 +48,7 @@ #include "lpfc_compat.h" #include "lpfc_crtn.h" #include "lpfc_vport.h" +#include "lpfc_attr.h" #define LPFC_DEF_DEVLOSS_TMO 30 #define LPFC_MIN_DEVLOSS_TMO 1 @@ -1620,6 +1621,11 @@ lpfc_sriov_hw_max_virtfn_show(struct device *dev, return snprintf(buf, PAGE_SIZE, "%d\n", max_nr_virtfn); } +static inline bool lpfc_rangecheck(uint val, uint min, uint max) +{ + return val >= min && val <= max; +} + /** * lpfc_param_show - Return a cfg attribute value in decimal * @@ -1697,7 +1703,7 @@ lpfc_##attr##_show(struct device *dev, struct device_attribute *attr, \ static int \ lpfc_##attr##_init(struct lpfc_hba *phba, uint val) \ { \ - if (val >= minval && val <= maxval) {\ + if (lpfc_rangecheck(val, minval, maxval)) {\ phba->cfg_##attr = val;\ return 0;\ }\ @@ -1732,7 +1738,7 @@ lpfc_##attr##_init(struct lpfc_hba *phba, uint val) \ static int \ lpfc_##attr##_set(struct lpfc_hba *phba, uint val) \ { \ - if (val >= minval && val <= maxval) {\ + if (lpfc_rangecheck(val, minval, maxval)) {\ lpfc_printf_log(phba, KERN_ERR, LOG_INIT, \ "3052 lpfc_" #attr " changed from %d to %d\n", \ phba->cfg_##attr, val); \ @@ -1856,7 +1862,7 @@ lpfc_##attr##_show(struct device *dev, struct device_attribute *attr, \ static int \ lpfc_##attr##_init(struct lpfc_vport *vport, uint val) \ { \ - if (val >= minval && val <= maxval) {\ + if (lpfc_rangecheck(val, minval, maxval)) {\ vport->cfg_##attr = val;\ return 0;\ }\ @@ -1888,7 +1894,7 @@ lpfc_##attr##_init(struct lpfc_vport *vport, uint val) \ static int \ lpfc_##attr##_set(struct lpfc_vport *vport, uint val) \ { \ - if (val >= minval && val <= maxval) {\ + if (lpfc_rangecheck(val, minval, maxval)) {\ lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT, \ "3053 lpfc_" #attr \ " changed from %d (x%x) to %d (x%x)\n", \ @@ -1939,102 +1945,6 @@ lpfc_##attr##_store(struct device *dev, struct device_attribute *attr, \ } -#define LPFC_ATTR(name, defval, minval, maxval, desc) \ -static uint lpfc_##name = defval;\ -module_param(lpfc_##name, uint, S_IRUGO);\ -MODULE_PARM_DESC(lpfc_##name, desc);\ -lpfc_param_init(name, defval, minval, maxval) - -#define LPFC_ATTR_R(name, defval, minval, maxval, desc) \ -static uint lpfc_##name = defval;\ -module_param(lpfc_##name, uint, S_IRUGO);\ -MODULE_PARM_DESC(lpfc_##name, desc);\ -lpfc_param_show(name)\ -lpfc_param_init(name, defval, minval, maxval)\ -static DEVICE_ATTR(lpfc_##name, S_IRUGO , lpfc_##name##_show, NULL) - -#define LPFC_ATTR_RW(name, defval, minval, maxval, desc) \ -static uint lpfc_##name = defval;\ -module_param(lpfc_##name, uint, S_IRUGO);\ -MODULE_PARM_DESC(lpfc_##name, desc);\ -lpfc_param_show(name)\ -lpfc_param_init(name, defval, minval, maxval)\ -lpfc_param_set(name, defval, minval, maxval)\ -lpfc_param_store(name)\ -static DEVICE_ATTR(lpfc_##name, S_IRUGO | S_IWUSR,\ - lpfc_##name##_show, lpfc_##name##_store) - -#define LPFC_ATTR_HEX_R(name, defval, minval, maxval, desc) \ -static uint lpfc_##name = defval;\ -module_param(lpfc_##name, uint, S_IRUGO);\ -MODULE_PARM_DESC(lpfc_##name, desc);\ -lpfc_param_hex_show(name)\ -lpfc_param_init(name, defval, minval, maxval)\ -static DEVICE_ATTR(lpfc_##name, S_IRUGO , lpfc_##name##_show, NULL) - -#define LPFC_ATTR_HEX_RW(name, defval, minval, maxval, desc) \ -static uint lpfc_##name = defval;\ -module_param(lpfc_##name, uint, S_IRUGO);\ -MODULE_PARM_DESC(lpfc_##name, desc);\ -lpfc_param_hex_show(name)\ -lpfc_param_init(name, defval, minval, maxval)\ -lpfc_param_set(name, defval, minval, maxval)\ -lpfc_param_store(name)\ -static DEVICE_ATTR(lpfc_##name, S_IRUGO | S_IWUSR,\ - lpfc_##name##_show, lpfc_##name##_store) - -#define LPFC_VPORT_ATTR(name, defval, minval, maxval, desc) \ -static uint lpfc_##name = defval;\ -module_param(lpfc_##name, uint, S_IRUGO);\ -MODULE_PARM_DESC(lpfc_##name, desc);\ -lpfc_vport_param_init(name, defval, minval, maxval) - -#define LPFC_VPORT_ATTR_R(name, defval, minval, maxval, desc) \ -static uint lpfc_##name = defval;\ -module_param(lpfc_##name, uint, S_IRUGO);\ -MODULE_PARM_DESC(lpfc_##name, desc);\ -lpfc_vport_param_show(name)\ -lpfc_vport_param_init(name, defval, minval, maxval)\ -static DEVICE_ATTR(lpfc_##name, S_IRUGO , lpfc_##name##_show, NULL) - -#define LPFC_VPORT_ULL_ATTR_R(name, defval, minval, maxval, desc) \ -static uint64_t lpfc_##name = defval;\ -module_param(lpfc_##name, ullong, S_IRUGO);\ -MODULE_PARM_DESC(lpfc_##name, desc);\ -lpfc_vport_param_show(name)\ -lpfc_vport_param_init(name, defval, minval, maxval)\ -static DEVICE_ATTR(lpfc_##name, S_IRUGO , lpfc_##name##_show, NULL) - -#define LPFC_VPORT_ATTR_RW(name, defval, minval, maxval, desc) \ -static uint lpfc_##name = defval;\ -module_param(lpfc_##name, uint, S_IRUGO);\ -MODULE_PARM_DESC(lpfc_##name, desc);\ -lpfc_vport_param_show(name)\ -lpfc_vport_param_init(name, defval, minval, maxval)\ -lpfc_vport_param_set(name, defval, minval, maxval)\ -lpfc_vport_param_store(name)\ -static DEVICE_ATTR(lpfc_##name, S_IRUGO | S_IWUSR,\ - lpfc_##name##_show, lpfc_##name##_store) - -#define LPFC_VPORT_ATTR_HEX_R(name, defval, minval, maxval, desc) \ -static uint lpfc_##name = defval;\ -module_param(lpfc_##name, uint, S_IRUGO);\ -MODULE_PARM_DESC(lpfc_##name, desc);\ -lpfc_vport_param_hex_show(name)\ -lpfc_vport_param_init(name, defval, minval, maxval)\ -static DEVICE_ATTR(lpfc_##name, S_IRUGO , lpfc_##name##_show, NULL) - -#define LPFC_VPORT_ATTR_HEX_RW(name, defval, minval, maxval, desc) \ -static uint lpfc_##name = defval;\ -module_param(lpfc_##name, uint, S_IRUGO);\ -MODULE_PARM_DESC(lpfc_##name, desc);\ -lpfc_vport_param_hex_show(name)\ -lpfc_vport_param_init(name, defval, minval, maxval)\ -lpfc_vport_param_set(name, defval, minval, maxval)\ -lpfc_vport_param_store(name)\ -static DEVICE_ATTR(lpfc_##name, S_IRUGO | S_IWUSR,\ - lpfc_##name##_show, lpfc_##name##_store) - static DEVICE_ATTR(bg_info, S_IRUGO, lpfc_bg_info_show, NULL); static DEVICE_ATTR(bg_guard_err, S_IRUGO, lpfc_bg_guard_err_show, NULL); static DEVICE_ATTR(bg_apptag_err, S_IRUGO, lpfc_bg_apptag_err_show, NULL); @@ -2401,6 +2311,69 @@ static DEVICE_ATTR(lpfc_xlane_tgt, S_IRUGO | S_IWUSR, lpfc_oas_tgt_show, lpfc_oas_tgt_store); /** + * lpfc_oas_priority_show - Return wwpn of target whose luns maybe enabled for + * Optimized Access Storage (OAS) operations. + * @dev: class device that is converted into a Scsi_host. + * @attr: device attribute, not used. + * @buf: buffer for passing information. + * + * Returns: + * value of count + **/ +static ssize_t +lpfc_oas_priority_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 snprintf(buf, PAGE_SIZE, "%d\n", phba->cfg_oas_priority); +} + +/** + * lpfc_oas_priority_store - Store wwpn of target whose luns maybe enabled for + * Optimized Access Storage (OAS) operations. + * @dev: class device that is converted into a Scsi_host. + * @attr: device attribute, not used. + * @buf: buffer for passing information. + * @count: Size of the data buffer. + * + * Returns: + * -EINVAL count is invalid, invalid wwpn byte invalid + * -EPERM oas is not supported by hba + * value of count on success + **/ +static ssize_t +lpfc_oas_priority_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; + unsigned long val; + int ret; + + if (!phba->cfg_fof) + return -EPERM; + + /* count may include a LF at end of string */ + if (buf[cnt-1] == '\n') + cnt--; + + ret = kstrtoul(buf, 0, &val); + if (ret || (val > 0x7f)) + return -EINVAL; + + if (val) + phba->cfg_oas_priority = (uint8_t)val; + else + phba->cfg_oas_priority = phba->cfg_XLanePriority; + return count; +} +static DEVICE_ATTR(lpfc_xlane_priority, S_IRUGO | S_IWUSR, + lpfc_oas_priority_show, lpfc_oas_priority_store); + +/** * lpfc_oas_vpt_show - Return wwpn of vport whose targets maybe enabled * for Optimized Access Storage (OAS) operations. * @dev: class device that is converted into a Scsi_host. @@ -2462,6 +2435,7 @@ lpfc_oas_vpt_store(struct device *dev, struct device_attribute *attr, else phba->cfg_oas_flags &= ~OAS_FIND_ANY_VPORT; phba->cfg_oas_flags &= ~OAS_LUN_VALID; + phba->cfg_oas_priority = phba->cfg_XLanePriority; phba->sli4_hba.oas_next_lun = FIND_FIRST_OAS_LUN; return count; } @@ -2524,7 +2498,6 @@ lpfc_oas_lun_state_store(struct device *dev, struct device_attribute *attr, return -EINVAL; phba->cfg_oas_lun_state = val; - return strlen(buf); } static DEVICE_ATTR(lpfc_xlane_lun_state, S_IRUGO | S_IWUSR, @@ -2572,7 +2545,8 @@ static DEVICE_ATTR(lpfc_xlane_lun_status, S_IRUGO, */ static size_t lpfc_oas_lun_state_set(struct lpfc_hba *phba, uint8_t vpt_wwpn[], - uint8_t tgt_wwpn[], uint64_t lun, uint32_t oas_state) + uint8_t tgt_wwpn[], uint64_t lun, + uint32_t oas_state, uint8_t pri) { int rc = 0; @@ -2582,7 +2556,8 @@ lpfc_oas_lun_state_set(struct lpfc_hba *phba, uint8_t vpt_wwpn[], if (oas_state) { if (!lpfc_enable_oas_lun(phba, (struct lpfc_name *)vpt_wwpn, - (struct lpfc_name *)tgt_wwpn, lun)) + (struct lpfc_name *)tgt_wwpn, + lun, pri)) rc = -ENOMEM; } else { lpfc_disable_oas_lun(phba, (struct lpfc_name *)vpt_wwpn, @@ -2648,13 +2623,13 @@ lpfc_oas_lun_get_next(struct lpfc_hba *phba, uint8_t vpt_wwpn[], static ssize_t lpfc_oas_lun_state_change(struct lpfc_hba *phba, uint8_t vpt_wwpn[], uint8_t tgt_wwpn[], uint64_t lun, - uint32_t oas_state) + uint32_t oas_state, uint8_t pri) { int rc; rc = lpfc_oas_lun_state_set(phba, vpt_wwpn, tgt_wwpn, lun, - oas_state); + oas_state, pri); return rc; } @@ -2744,16 +2719,16 @@ lpfc_oas_lun_store(struct device *dev, struct device_attribute *attr, return -EINVAL; lpfc_printf_log(phba, KERN_INFO, LOG_INIT, - "3372 Try to set vport 0x%llx target 0x%llx lun:%lld " - "with oas set to %d\n", + "3372 Try to set vport 0x%llx target 0x%llx lun:0x%llx " + "priority 0x%x with oas state %d\n", wwn_to_u64(phba->cfg_oas_vpt_wwpn), wwn_to_u64(phba->cfg_oas_tgt_wwpn), scsi_lun, - phba->cfg_oas_lun_state); + phba->cfg_oas_priority, phba->cfg_oas_lun_state); rc = lpfc_oas_lun_state_change(phba, phba->cfg_oas_vpt_wwpn, - phba->cfg_oas_tgt_wwpn, scsi_lun, - phba->cfg_oas_lun_state); - + phba->cfg_oas_tgt_wwpn, scsi_lun, + phba->cfg_oas_lun_state, + phba->cfg_oas_priority); if (rc) return rc; @@ -2772,19 +2747,14 @@ MODULE_PARM_DESC(lpfc_poll, "FCP ring polling mode control:" static DEVICE_ATTR(lpfc_poll, S_IRUGO | S_IWUSR, lpfc_poll_show, lpfc_poll_store); -int lpfc_sli_mode = 0; -module_param(lpfc_sli_mode, int, S_IRUGO); -MODULE_PARM_DESC(lpfc_sli_mode, "SLI mode selector:" - " 0 - auto (SLI-3 if supported)," - " 2 - select SLI-2 even on SLI-3 capable HBAs," - " 3 - select SLI-3"); +LPFC_ATTR(sli_mode, 0, 0, 3, + "SLI mode selector:" + " 0 - auto (SLI-3 if supported)," + " 2 - select SLI-2 even on SLI-3 capable HBAs," + " 3 - select SLI-3"); -int lpfc_enable_npiv = 1; -module_param(lpfc_enable_npiv, int, S_IRUGO); -MODULE_PARM_DESC(lpfc_enable_npiv, "Enable NPIV functionality"); -lpfc_param_show(enable_npiv); -lpfc_param_init(enable_npiv, 1, 0, 1); -static DEVICE_ATTR(lpfc_enable_npiv, S_IRUGO, lpfc_enable_npiv_show, NULL); +LPFC_ATTR_R(enable_npiv, 1, 0, 1, + "Enable NPIV functionality"); LPFC_ATTR_R(fcf_failover_policy, 1, 1, 2, "FCF Fast failover=1 Priority failover=2"); @@ -4754,11 +4724,8 @@ MODULE_PARM_DESC(lpfc_prot_guard, "host protection guard type"); * accept and FCID/Fabric name/Fabric portname is changed. * Default value is 0. */ -int lpfc_delay_discovery; -module_param(lpfc_delay_discovery, int, S_IRUGO); -MODULE_PARM_DESC(lpfc_delay_discovery, - "Delay NPort discovery when Clean Address bit is cleared. " - "Allowed values: 0,1."); +LPFC_ATTR(delay_discovery, 0, 0, 1, + "Delay NPort discovery when Clean Address bit is cleared."); /* * lpfc_sg_seg_cnt - Initial Maximum DMA Segment Count @@ -4780,6 +4747,14 @@ LPFC_ATTR_R(prot_sg_seg_cnt, LPFC_DEFAULT_SG_SEG_CNT, LPFC_DEFAULT_SG_SEG_CNT, LPFC_MAX_SG_SEG_CNT, "Max Protection Scatter Gather Segment Count"); +/* + * lpfc_enable_mds_diags: Enable MDS Diagnostics + * 0 = MDS Diagnostics disabled (default) + * 1 = MDS Diagnostics enabled + * Value range is [0,1]. Default value is 0. + */ +LPFC_ATTR_R(enable_mds_diags, 0, 0, 1, "Enable MDS Diagnostics"); + struct device_attribute *lpfc_hba_attrs[] = { &dev_attr_bg_info, &dev_attr_bg_guard_err, @@ -4857,6 +4832,7 @@ struct device_attribute *lpfc_hba_attrs[] = { &dev_attr_lpfc_xlane_vpt, &dev_attr_lpfc_xlane_lun_state, &dev_attr_lpfc_xlane_lun_status, + &dev_attr_lpfc_xlane_priority, &dev_attr_lpfc_sg_seg_cnt, &dev_attr_lpfc_max_scsicmpl_time, &dev_attr_lpfc_stat_data_ctrl, @@ -4876,6 +4852,7 @@ struct device_attribute *lpfc_hba_attrs[] = { &dev_attr_lpfc_sriov_hw_max_virtfn, &dev_attr_protocol, &dev_attr_lpfc_xlane_supported, + &dev_attr_lpfc_enable_mds_diags, NULL, }; @@ -5849,6 +5826,7 @@ lpfc_get_cfgparam(struct lpfc_hba *phba) phba->cfg_oas_lun_state = 0; phba->cfg_oas_lun_status = 0; phba->cfg_oas_flags = 0; + phba->cfg_oas_priority = 0; lpfc_enable_bg_init(phba, lpfc_enable_bg); if (phba->sli_rev == LPFC_SLI_REV4) phba->cfg_poll = 0; @@ -5866,7 +5844,10 @@ lpfc_get_cfgparam(struct lpfc_hba *phba) lpfc_request_firmware_upgrade_init(phba, lpfc_req_fw_upgrade); lpfc_suppress_link_up_init(phba, lpfc_suppress_link_up); lpfc_iocb_cnt_init(phba, lpfc_iocb_cnt); + lpfc_delay_discovery_init(phba, lpfc_delay_discovery); + lpfc_sli_mode_init(phba, lpfc_sli_mode); phba->cfg_enable_dss = 1; + lpfc_enable_mds_diags_init(phba, lpfc_enable_mds_diags); return; } |