diff options
Diffstat (limited to 'drivers/scsi/lpfc/lpfc_attr.c')
| -rw-r--r-- | drivers/scsi/lpfc/lpfc_attr.c | 266 |
1 files changed, 153 insertions, 113 deletions
diff --git a/drivers/scsi/lpfc/lpfc_attr.c b/drivers/scsi/lpfc/lpfc_attr.c index 40cf0f4f327..c14f0cbdb12 100644 --- a/drivers/scsi/lpfc/lpfc_attr.c +++ b/drivers/scsi/lpfc/lpfc_attr.c @@ -51,7 +51,7 @@ #define LPFC_LINK_SPEED_STRING "0, 1, 2, 4, 8" /** - * lpfc_jedec_to_ascii: Hex to ascii convertor according to JEDEC rules. + * lpfc_jedec_to_ascii - Hex to ascii convertor according to JEDEC rules * @incr: integer to convert. * @hdw: ascii string holding converted integer plus a string terminator. * @@ -82,7 +82,7 @@ lpfc_jedec_to_ascii(int incr, char hdw[]) } /** - * lpfc_drvr_version_show: Return the Emulex driver string with version number. + * lpfc_drvr_version_show - Return the Emulex driver string with version number * @dev: class unused variable. * @attr: device attribute, not used. * @buf: on return contains the module description text. @@ -152,7 +152,7 @@ lpfc_bg_reftag_err_show(struct device *dev, struct device_attribute *attr, } /** - * lpfc_info_show: Return some pci info about the host in ascii. + * lpfc_info_show - Return some pci info about the host in ascii * @dev: class converted to a Scsi_host structure. * @attr: device attribute, not used. * @buf: on return contains the formatted text from lpfc_info(). @@ -169,7 +169,7 @@ lpfc_info_show(struct device *dev, struct device_attribute *attr, } /** - * lpfc_serialnum_show: Return the hba serial number in ascii. + * lpfc_serialnum_show - Return the hba serial number in ascii * @dev: class converted to a Scsi_host structure. * @attr: device attribute, not used. * @buf: on return contains the formatted text serial number. @@ -188,7 +188,7 @@ lpfc_serialnum_show(struct device *dev, struct device_attribute *attr, } /** - * lpfc_temp_sensor_show: Return the temperature sensor level. + * lpfc_temp_sensor_show - Return the temperature sensor level * @dev: class converted to a Scsi_host structure. * @attr: device attribute, not used. * @buf: on return contains the formatted support level. @@ -210,7 +210,7 @@ lpfc_temp_sensor_show(struct device *dev, struct device_attribute *attr, } /** - * lpfc_modeldesc_show: Return the model description of the hba. + * lpfc_modeldesc_show - Return the model description of the hba * @dev: class converted to a Scsi_host structure. * @attr: device attribute, not used. * @buf: on return contains the scsi vpd model description. @@ -229,7 +229,7 @@ lpfc_modeldesc_show(struct device *dev, struct device_attribute *attr, } /** - * lpfc_modelname_show: Return the model name of the hba. + * lpfc_modelname_show - Return the model name of the hba * @dev: class converted to a Scsi_host structure. * @attr: device attribute, not used. * @buf: on return contains the scsi vpd model name. @@ -248,7 +248,7 @@ lpfc_modelname_show(struct device *dev, struct device_attribute *attr, } /** - * lpfc_programtype_show: Return the program type of the hba. + * lpfc_programtype_show - Return the program type of the hba * @dev: class converted to a Scsi_host structure. * @attr: device attribute, not used. * @buf: on return contains the scsi vpd program type. @@ -267,7 +267,7 @@ lpfc_programtype_show(struct device *dev, struct device_attribute *attr, } /** - * lpfc_mlomgmt_show: Return the Menlo Maintenance sli flag. + * lpfc_mlomgmt_show - Return the Menlo Maintenance sli flag * @dev: class converted to a Scsi_host structure. * @attr: device attribute, not used. * @buf: on return contains the Menlo Maintenance sli flag. @@ -286,7 +286,7 @@ lpfc_mlomgmt_show(struct device *dev, struct device_attribute *attr, char *buf) } /** - * lpfc_vportnum_show: Return the port number in ascii of the hba. + * lpfc_vportnum_show - Return the port number in ascii of the hba * @dev: class converted to a Scsi_host structure. * @attr: device attribute, not used. * @buf: on return contains scsi vpd program type. @@ -305,7 +305,7 @@ lpfc_vportnum_show(struct device *dev, struct device_attribute *attr, } /** - * lpfc_fwrev_show: Return the firmware rev running in the hba. + * lpfc_fwrev_show - Return the firmware rev running in the hba * @dev: class converted to a Scsi_host structure. * @attr: device attribute, not used. * @buf: on return contains the scsi vpd program type. @@ -326,7 +326,7 @@ lpfc_fwrev_show(struct device *dev, struct device_attribute *attr, } /** - * lpfc_hdw_show: Return the jedec information about the hba. + * lpfc_hdw_show - Return the jedec information about the hba * @dev: class converted to a Scsi_host structure. * @attr: device attribute, not used. * @buf: on return contains the scsi vpd program type. @@ -347,7 +347,7 @@ lpfc_hdw_show(struct device *dev, struct device_attribute *attr, char *buf) } /** - * lpfc_option_rom_version_show: Return the adapter ROM FCode version. + * lpfc_option_rom_version_show - Return the adapter ROM FCode version * @dev: class converted to a Scsi_host structure. * @attr: device attribute, not used. * @buf: on return contains the ROM and FCode ascii strings. @@ -366,7 +366,7 @@ lpfc_option_rom_version_show(struct device *dev, struct device_attribute *attr, } /** - * lpfc_state_show: Return the link state of the port. + * lpfc_state_show - Return the link state of the port * @dev: class converted to a Scsi_host structure. * @attr: device attribute, not used. * @buf: on return contains text describing the state of the link. @@ -451,7 +451,7 @@ lpfc_link_state_show(struct device *dev, struct device_attribute *attr, } /** - * lpfc_num_discovered_ports_show: Return sum of mapped and unmapped vports. + * lpfc_num_discovered_ports_show - Return sum of mapped and unmapped vports * @dev: class device that is converted into a Scsi_host. * @attr: device attribute, not used. * @buf: on return contains the sum of fc mapped and unmapped. @@ -474,7 +474,7 @@ lpfc_num_discovered_ports_show(struct device *dev, } /** - * lpfc_issue_lip: Misnomer, name carried over from long ago. + * lpfc_issue_lip - Misnomer, name carried over from long ago * @shost: Scsi_Host pointer. * * Description: @@ -529,7 +529,7 @@ lpfc_issue_lip(struct Scsi_Host *shost) } /** - * lpfc_do_offline: Issues a mailbox command to bring the link down. + * lpfc_do_offline - Issues a mailbox command to bring the link down * @phba: lpfc_hba pointer. * @type: LPFC_EVT_OFFLINE, LPFC_EVT_WARM_START, LPFC_EVT_KILL. * @@ -537,7 +537,7 @@ lpfc_issue_lip(struct Scsi_Host *shost) * Assumes any error from lpfc_do_offline() will be negative. * Can wait up to 5 seconds for the port ring buffers count * to reach zero, prints a warning if it is not zero and continues. - * lpfc_workq_post_event() returns a non-zero return coce if call fails. + * lpfc_workq_post_event() returns a non-zero return code if call fails. * * Returns: * -EIO error posting the event @@ -591,7 +591,7 @@ lpfc_do_offline(struct lpfc_hba *phba, uint32_t type) } /** - * lpfc_selective_reset: Offline then onlines the port. + * lpfc_selective_reset - Offline then onlines the port * @phba: lpfc_hba pointer. * * Description: @@ -632,7 +632,7 @@ lpfc_selective_reset(struct lpfc_hba *phba) } /** - * lpfc_issue_reset: Selectively resets an adapter. + * lpfc_issue_reset - Selectively resets an adapter * @dev: class device that is converted into a Scsi_host. * @attr: device attribute, not used. * @buf: containing the string "selective". @@ -672,7 +672,7 @@ lpfc_issue_reset(struct device *dev, struct device_attribute *attr, } /** - * lpfc_nport_evt_cnt_show: Return the number of nport events. + * lpfc_nport_evt_cnt_show - Return the number of nport events * @dev: class device that is converted into a Scsi_host. * @attr: device attribute, not used. * @buf: on return contains the ascii number of nport events. @@ -691,7 +691,7 @@ lpfc_nport_evt_cnt_show(struct device *dev, struct device_attribute *attr, } /** - * lpfc_board_mode_show: Return the state of the board. + * lpfc_board_mode_show - Return the state of the board * @dev: class device that is converted into a Scsi_host. * @attr: device attribute, not used. * @buf: on return contains the state of the adapter. @@ -720,7 +720,7 @@ lpfc_board_mode_show(struct device *dev, struct device_attribute *attr, } /** - * lpfc_board_mode_store: Puts the hba in online, offline, warm or error state. + * lpfc_board_mode_store - Puts the hba in online, offline, warm or error state * @dev: class device that is converted into a Scsi_host. * @attr: device attribute, not used. * @buf: containing one of the strings "online", "offline", "warm" or "error". @@ -766,14 +766,14 @@ lpfc_board_mode_store(struct device *dev, struct device_attribute *attr, } /** - * lpfc_get_hba_info: Return various bits of informaton about the adapter. + * lpfc_get_hba_info - Return various bits of informaton about the adapter * @phba: pointer to the adapter structure. - * @mxri max xri count. - * @axri available xri count. - * @mrpi max rpi count. - * @arpi available rpi count. - * @mvpi max vpi count. - * @avpi available vpi count. + * @mxri: max xri count. + * @axri: available xri count. + * @mrpi: max rpi count. + * @arpi: available rpi count. + * @mvpi: max vpi count. + * @avpi: available vpi count. * * Description: * If an integer pointer for an count is not null then the value for the @@ -846,7 +846,7 @@ lpfc_get_hba_info(struct lpfc_hba *phba, } /** - * lpfc_max_rpi_show: Return maximum rpi. + * lpfc_max_rpi_show - Return maximum rpi * @dev: class device that is converted into a Scsi_host. * @attr: device attribute, not used. * @buf: on return contains the maximum rpi count in decimal or "Unknown". @@ -874,7 +874,7 @@ lpfc_max_rpi_show(struct device *dev, struct device_attribute *attr, } /** - * lpfc_used_rpi_show: Return maximum rpi minus available rpi. + * lpfc_used_rpi_show - Return maximum rpi minus available rpi * @dev: class device that is converted into a Scsi_host. * @attr: device attribute, not used. * @buf: containing the used rpi count in decimal or "Unknown". @@ -902,7 +902,7 @@ lpfc_used_rpi_show(struct device *dev, struct device_attribute *attr, } /** - * lpfc_max_xri_show: Return maximum xri. + * lpfc_max_xri_show - Return maximum xri * @dev: class device that is converted into a Scsi_host. * @attr: device attribute, not used. * @buf: on return contains the maximum xri count in decimal or "Unknown". @@ -930,7 +930,7 @@ lpfc_max_xri_show(struct device *dev, struct device_attribute *attr, } /** - * lpfc_used_xri_show: Return maximum xpi minus the available xpi. + * lpfc_used_xri_show - Return maximum xpi minus the available xpi * @dev: class device that is converted into a Scsi_host. * @attr: device attribute, not used. * @buf: on return contains the used xri count in decimal or "Unknown". @@ -958,7 +958,7 @@ lpfc_used_xri_show(struct device *dev, struct device_attribute *attr, } /** - * lpfc_max_vpi_show: Return maximum vpi. + * lpfc_max_vpi_show - Return maximum vpi * @dev: class device that is converted into a Scsi_host. * @attr: device attribute, not used. * @buf: on return contains the maximum vpi count in decimal or "Unknown". @@ -986,7 +986,7 @@ lpfc_max_vpi_show(struct device *dev, struct device_attribute *attr, } /** - * lpfc_used_vpi_show: Return maximum vpi minus the available vpi. + * lpfc_used_vpi_show - Return maximum vpi minus the available vpi * @dev: class device that is converted into a Scsi_host. * @attr: device attribute, not used. * @buf: on return contains the used vpi count in decimal or "Unknown". @@ -1014,7 +1014,7 @@ lpfc_used_vpi_show(struct device *dev, struct device_attribute *attr, } /** - * lpfc_npiv_info_show: Return text about NPIV support for the adapter. + * lpfc_npiv_info_show - Return text about NPIV support for the adapter * @dev: class device that is converted into a Scsi_host. * @attr: device attribute, not used. * @buf: text that must be interpreted to determine if npiv is supported. @@ -1042,7 +1042,7 @@ lpfc_npiv_info_show(struct device *dev, struct device_attribute *attr, } /** - * lpfc_poll_show: Return text about poll support for the adapter. + * lpfc_poll_show - Return text about poll support for the adapter * @dev: class device that is converted into a Scsi_host. * @attr: device attribute, not used. * @buf: on return contains the cfg_poll in hex. @@ -1064,7 +1064,7 @@ lpfc_poll_show(struct device *dev, struct device_attribute *attr, } /** - * lpfc_poll_store: Set the value of cfg_poll for the adapter. + * lpfc_poll_store - Set the value of cfg_poll for the adapter * @dev: class device that is converted into a Scsi_host. * @attr: device attribute, not used. * @buf: one or more lpfc_polling_flags values. @@ -1136,7 +1136,7 @@ lpfc_poll_store(struct device *dev, struct device_attribute *attr, } /** - * lpfc_param_show: Return a cfg attribute value in decimal. + * lpfc_param_show - Return a cfg attribute value in decimal * * Description: * Macro that given an attr e.g. hba_queue_depth expands @@ -1164,7 +1164,7 @@ lpfc_##attr##_show(struct device *dev, struct device_attribute *attr, \ } /** - * lpfc_param_hex_show: Return a cfg attribute value in hex. + * lpfc_param_hex_show - Return a cfg attribute value in hex * * Description: * Macro that given an attr e.g. hba_queue_depth expands @@ -1173,7 +1173,7 @@ lpfc_##attr##_show(struct device *dev, struct device_attribute *attr, \ * lpfc_##attr##_show: Return the hex value of an adapters cfg_xxx field. * @dev: class device that is converted into a Scsi_host. * @attr: device attribute, not used. - * @buf: on return contains the attribute value in hexidecimal. + * @buf: on return contains the attribute value in hexadecimal. * * Returns: size of formatted string. **/ @@ -1192,7 +1192,7 @@ lpfc_##attr##_show(struct device *dev, struct device_attribute *attr, \ } /** - * lpfc_param_init: Intializes a cfg attribute. + * lpfc_param_init - Intializes a cfg attribute * * Description: * Macro that given an attr e.g. hba_queue_depth expands @@ -1226,7 +1226,7 @@ lpfc_##attr##_init(struct lpfc_hba *phba, int val) \ } /** - * lpfc_param_set: Set a cfg attribute value. + * lpfc_param_set - Set a cfg attribute value * * Description: * Macro that given an attr e.g. hba_queue_depth expands @@ -1260,7 +1260,7 @@ lpfc_##attr##_set(struct lpfc_hba *phba, int val) \ } /** - * lpfc_param_store: Set a vport attribute value. + * lpfc_param_store - Set a vport attribute value * * Description: * Macro that given an attr e.g. hba_queue_depth expands @@ -1300,7 +1300,7 @@ lpfc_##attr##_store(struct device *dev, struct device_attribute *attr, \ } /** - * lpfc_vport_param_show: Return decimal formatted cfg attribute value. + * lpfc_vport_param_show - Return decimal formatted cfg attribute value * * Description: * Macro that given an attr e.g. hba_queue_depth expands @@ -1326,17 +1326,17 @@ lpfc_##attr##_show(struct device *dev, struct device_attribute *attr, \ } /** - * lpfc_vport_param_hex_show: Return hex formatted attribute value. + * lpfc_vport_param_hex_show - Return hex formatted attribute value * * Description: * Macro that given an attr e.g. * hba_queue_depth expands into a function with the name * lpfc_hba_queue_depth_show * - * lpfc_##attr##_show: prints the attribute value in hexidecimal. + * lpfc_##attr##_show: prints the attribute value in hexadecimal. * @dev: class device that is converted into a Scsi_host. * @attr: device attribute, not used. - * @buf: on return contains the attribute value in hexidecimal. + * @buf: on return contains the attribute value in hexadecimal. * * Returns: length of formatted string. **/ @@ -1353,7 +1353,7 @@ lpfc_##attr##_show(struct device *dev, struct device_attribute *attr, \ } /** - * lpfc_vport_param_init: Initialize a vport cfg attribute. + * lpfc_vport_param_init - Initialize a vport cfg attribute * * Description: * Macro that given an attr e.g. hba_queue_depth expands @@ -1386,7 +1386,7 @@ lpfc_##attr##_init(struct lpfc_vport *vport, int val) \ } /** - * lpfc_vport_param_set: Set a vport cfg attribute. + * lpfc_vport_param_set - Set a vport cfg attribute * * Description: * Macro that given an attr e.g. hba_queue_depth expands @@ -1417,7 +1417,7 @@ lpfc_##attr##_set(struct lpfc_vport *vport, int val) \ } /** - * lpfc_vport_param_store: Set a vport attribute. + * lpfc_vport_param_store - Set a vport attribute * * Description: * Macro that given an attr e.g. hba_queue_depth @@ -1576,7 +1576,7 @@ static DEVICE_ATTR(lpfc_temp_sensor, S_IRUGO, lpfc_temp_sensor_show, NULL); static char *lpfc_soft_wwn_key = "C99G71SL8032A"; /** - * lpfc_soft_wwn_enable_store: Allows setting of the wwn if the key is valid. + * 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. @@ -1623,10 +1623,10 @@ static DEVICE_ATTR(lpfc_soft_wwn_enable, S_IWUSR, NULL, lpfc_soft_wwn_enable_store); /** - * lpfc_soft_wwpn_show: Return the cfg soft ww port name of the adapter. + * 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 hexidecimal. + * @buf: on return contains the wwpn in hexadecimal. * * Returns: size of formatted string. **/ @@ -1643,10 +1643,10 @@ lpfc_soft_wwpn_show(struct device *dev, struct device_attribute *attr, } /** - * lpfc_soft_wwpn_store: Set the ww port name of the adapter. + * 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 hexidecimal. + * @buf: contains the wwpn in hexadecimal. * @count: number of wwpn bytes in buf * * Returns: @@ -1729,10 +1729,10 @@ static DEVICE_ATTR(lpfc_soft_wwpn, S_IRUGO | S_IWUSR,\ lpfc_soft_wwpn_show, lpfc_soft_wwpn_store); /** - * lpfc_soft_wwnn_show: Return the cfg soft ww node name for the adapter. + * 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 hexidecimal. + * @buf: on return contains the wwnn in hexadecimal. * * Returns: size of formatted string. **/ @@ -1747,9 +1747,9 @@ lpfc_soft_wwnn_show(struct device *dev, struct device_attribute *attr, } /** - * lpfc_soft_wwnn_store: sets the ww node name of the adapter. + * lpfc_soft_wwnn_store - sets the ww node name of the adapter * @cdev: class device that is converted into a Scsi_host. - * @buf: contains the ww node name in hexidecimal. + * @buf: contains the ww node name in hexadecimal. * @count: number of wwnn bytes in buf. * * Returns: @@ -1845,7 +1845,7 @@ MODULE_PARM_DESC(lpfc_nodev_tmo, "for a device to come back"); /** - * lpfc_nodev_tmo_show: Return the hba dev loss timeout value. + * lpfc_nodev_tmo_show - Return the hba dev loss timeout value * @dev: class converted to a Scsi_host structure. * @attr: device attribute, not used. * @buf: on return contains the dev loss timeout in decimal. @@ -1864,7 +1864,7 @@ lpfc_nodev_tmo_show(struct device *dev, struct device_attribute *attr, } /** - * lpfc_nodev_tmo_init: Set the hba nodev timeout value. + * lpfc_nodev_tmo_init - Set the hba nodev timeout value * @vport: lpfc vport structure pointer. * @val: contains the nodev timeout value. * @@ -1905,7 +1905,7 @@ lpfc_nodev_tmo_init(struct lpfc_vport *vport, int val) } /** - * lpfc_update_rport_devloss_tmo: Update dev loss tmo value. + * lpfc_update_rport_devloss_tmo - Update dev loss tmo value * @vport: lpfc vport structure pointer. * * Description: @@ -1926,7 +1926,7 @@ lpfc_update_rport_devloss_tmo(struct lpfc_vport *vport) } /** - * lpfc_nodev_tmo_set: Set the vport nodev tmo and devloss tmo values. + * lpfc_nodev_tmo_set - Set the vport nodev tmo and devloss tmo values * @vport: lpfc vport structure pointer. * @val: contains the tmo value. * @@ -1982,7 +1982,7 @@ lpfc_vport_param_init(devloss_tmo, LPFC_DEF_DEVLOSS_TMO, lpfc_vport_param_show(devloss_tmo) /** - * lpfc_devloss_tmo_set: Sets vport nodev tmo, devloss tmo values, changed bit. + * lpfc_devloss_tmo_set - Sets vport nodev tmo, devloss tmo values, changed bit * @vport: lpfc vport structure pointer. * @val: contains the tmo value. * @@ -2094,7 +2094,7 @@ MODULE_PARM_DESC(lpfc_restrict_login, lpfc_vport_param_show(restrict_login); /** - * lpfc_restrict_login_init: Set the vport restrict login flag. + * lpfc_restrict_login_init - Set the vport restrict login flag * @vport: lpfc vport structure pointer. * @val: contains the restrict login value. * @@ -2128,7 +2128,7 @@ lpfc_restrict_login_init(struct lpfc_vport *vport, int val) } /** - * lpfc_restrict_login_set: Set the vport restrict login flag. + * lpfc_restrict_login_set - Set the vport restrict login flag * @vport: lpfc vport structure pointer. * @val: contains the restrict login value. * @@ -2201,7 +2201,7 @@ LPFC_VPORT_ATTR_R(scan_down, 1, 0, 1, */ /** - * lpfc_topology_set: Set the adapters topology field. + * lpfc_topology_set - Set the adapters topology field * @phba: lpfc_hba pointer. * @val: topology value. * @@ -2216,18 +2216,41 @@ LPFC_VPORT_ATTR_R(scan_down, 1, 0, 1, * non-zero return value from lpfc_issue_lip() * -EINVAL val out of range **/ -static int -lpfc_topology_set(struct lpfc_hba *phba, int val) +static ssize_t +lpfc_topology_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; + int val = 0; + int nolip = 0; + const char *val_buf = buf; int err; uint32_t prev_val; + + if (!strncmp(buf, "nolip ", strlen("nolip "))) { + nolip = 1; + val_buf = &buf[strlen("nolip ")]; + } + + if (!isdigit(val_buf[0])) + return -EINVAL; + if (sscanf(val_buf, "%i", &val) != 1) + return -EINVAL; + if (val >= 0 && val <= 6) { prev_val = phba->cfg_topology; phba->cfg_topology = val; + if (nolip) + return strlen(buf); + err = lpfc_issue_lip(lpfc_shost_from_vport(phba->pport)); - if (err) + if (err) { phba->cfg_topology = prev_val; - return err; + return -EINVAL; + } else + return strlen(buf); } lpfc_printf_log(phba, KERN_ERR, LOG_INIT, "%d:0467 lpfc_topology attribute cannot be set to %d, " @@ -2240,14 +2263,12 @@ module_param(lpfc_topology, int, 0); MODULE_PARM_DESC(lpfc_topology, "Select Fibre Channel topology"); lpfc_param_show(topology) lpfc_param_init(topology, 0, 0, 6) -lpfc_param_store(topology) static DEVICE_ATTR(lpfc_topology, S_IRUGO | S_IWUSR, lpfc_topology_show, lpfc_topology_store); /** - * lpfc_stat_data_ctrl_store: write call back for lpfc_stat_data_ctrl - * sysfs file. + * lpfc_stat_data_ctrl_store - write call back for lpfc_stat_data_ctrl sysfs file * @dev: Pointer to class device. * @buf: Data buffer. * @count: Size of the data buffer. @@ -2282,7 +2303,7 @@ lpfc_stat_data_ctrl_store(struct device *dev, struct device_attribute *attr, unsigned long base, step, bucket_type; if (!strncmp(buf, "setbucket", strlen("setbucket"))) { - if (strlen(buf) > LPFC_MAX_DATA_CTRL_LEN) + if (strlen(buf) > (LPFC_MAX_DATA_CTRL_LEN - 1)) return -EINVAL; strcpy(bucket_data, buf); @@ -2411,8 +2432,7 @@ lpfc_stat_data_ctrl_store(struct device *dev, struct device_attribute *attr, /** - * lpfc_stat_data_ctrl_show: Read callback function for - * lpfc_stat_data_ctrl sysfs file. + * lpfc_stat_data_ctrl_show - Read function for lpfc_stat_data_ctrl sysfs file * @dev: Pointer to class device object. * @buf: Data buffer. * @@ -2489,8 +2509,7 @@ static DEVICE_ATTR(lpfc_stat_data_ctrl, S_IRUGO | S_IWUSR, /** - * sysfs_drvr_stat_data_read: Read callback function for lpfc_drvr_stat_data - * sysfs attribute. + * sysfs_drvr_stat_data_read - Read function for lpfc_drvr_stat_data attribute * @kobj: Pointer to the kernel object * @bin_attr: Attribute object * @buff: Buffer pointer @@ -2585,7 +2604,7 @@ static struct bin_attribute sysfs_drvr_stat_data_attr = { */ /** - * lpfc_link_speed_set: Set the adapters link speed. + * lpfc_link_speed_set - Set the adapters link speed * @phba: lpfc_hba pointer. * @val: link speed value. * @@ -2601,12 +2620,29 @@ static struct bin_attribute sysfs_drvr_stat_data_attr = { * non-zero return value from lpfc_issue_lip() * -EINVAL val out of range **/ -static int -lpfc_link_speed_set(struct lpfc_hba *phba, int val) +static ssize_t +lpfc_link_speed_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; + int val = 0; + int nolip = 0; + const char *val_buf = buf; int err; uint32_t prev_val; + if (!strncmp(buf, "nolip ", strlen("nolip "))) { + nolip = 1; + val_buf = &buf[strlen("nolip ")]; + } + + if (!isdigit(val_buf[0])) + return -EINVAL; + if (sscanf(val_buf, "%i", &val) != 1) + return -EINVAL; + if (((val == LINK_SPEED_1G) && !(phba->lmt & LMT_1Gb)) || ((val == LINK_SPEED_2G) && !(phba->lmt & LMT_2Gb)) || ((val == LINK_SPEED_4G) && !(phba->lmt & LMT_4Gb)) || @@ -2614,14 +2650,19 @@ lpfc_link_speed_set(struct lpfc_hba *phba, int val) ((val == LINK_SPEED_10G) && !(phba->lmt & LMT_10Gb))) return -EINVAL; - if ((val >= 0 && val <= LPFC_MAX_LINK_SPEED) + if ((val >= 0 && val <= 8) && (LPFC_LINK_SPEED_BITMAP & (1 << val))) { prev_val = phba->cfg_link_speed; phba->cfg_link_speed = val; + if (nolip) + return strlen(buf); + err = lpfc_issue_lip(lpfc_shost_from_vport(phba->pport)); - if (err) + if (err) { phba->cfg_link_speed = prev_val; - return err; + return -EINVAL; + } else + return strlen(buf); } lpfc_printf_log(phba, KERN_ERR, LOG_INIT, @@ -2637,7 +2678,7 @@ MODULE_PARM_DESC(lpfc_link_speed, "Select link speed"); lpfc_param_show(link_speed) /** - * lpfc_link_speed_init: Set the adapters link speed. + * lpfc_link_speed_init - Set the adapters link speed * @phba: lpfc_hba pointer. * @val: link speed value. * @@ -2668,7 +2709,6 @@ lpfc_link_speed_init(struct lpfc_hba *phba, int val) return -EINVAL; } -lpfc_param_store(link_speed) static DEVICE_ATTR(lpfc_link_speed, S_IRUGO | S_IWUSR, lpfc_link_speed_show, lpfc_link_speed_store); @@ -2865,7 +2905,7 @@ MODULE_PARM_DESC(lpfc_prot_guard, "host protection guard type"); /* - * lpfc_sg_seg_cnt: Initial Maximum DMA Segment Count + * lpfc_sg_seg_cnt - Initial Maximum DMA Segment Count * This value can be set to values between 64 and 256. The default value is * 64, but may be increased to allow for larger Max I/O sizes. The scsi layer * will be allowed to request I/Os of sizes up to (MAX_SEG_COUNT * SEG_SIZE). @@ -2967,7 +3007,7 @@ struct device_attribute *lpfc_vport_attrs[] = { }; /** - * sysfs_ctlreg_write: Write method for writing to ctlreg. + * sysfs_ctlreg_write - Write method for writing to ctlreg * @kobj: kernel kobject that contains the kernel class device. * @bin_attr: kernel attributes passed to us. * @buf: contains the data to be written to the adapter IOREG space. @@ -3017,7 +3057,7 @@ sysfs_ctlreg_write(struct kobject *kobj, struct bin_attribute *bin_attr, } /** - * sysfs_ctlreg_read: Read method for reading from ctlreg. + * sysfs_ctlreg_read - Read method for reading from ctlreg * @kobj: kernel kobject that contains the kernel class device. * @bin_attr: kernel attributes passed to us. * @buf: if succesful contains the data from the adapter IOREG space. @@ -3078,7 +3118,7 @@ static struct bin_attribute sysfs_ctlreg_attr = { }; /** - * sysfs_mbox_idle: frees the sysfs mailbox. + * sysfs_mbox_idle - frees the sysfs mailbox * @phba: lpfc_hba pointer **/ static void @@ -3095,7 +3135,7 @@ sysfs_mbox_idle(struct lpfc_hba *phba) } /** - * sysfs_mbox_write: Write method for writing information via mbox. + * sysfs_mbox_write - Write method for writing information via mbox * @kobj: kernel kobject that contains the kernel class device. * @bin_attr: kernel attributes passed to us. * @buf: contains the data to be written to sysfs mbox. @@ -3170,7 +3210,7 @@ sysfs_mbox_write(struct kobject *kobj, struct bin_attribute *bin_attr, } /** - * sysfs_mbox_read: Read method for reading information via mbox. + * sysfs_mbox_read - Read method for reading information via mbox * @kobj: kernel kobject that contains the kernel class device. * @bin_attr: kernel attributes passed to us. * @buf: contains the data to be read from sysfs mbox. @@ -3374,7 +3414,7 @@ static struct bin_attribute sysfs_mbox_attr = { }; /** - * lpfc_alloc_sysfs_attr: Creates the ctlreg and mbox entries. + * lpfc_alloc_sysfs_attr - Creates the ctlreg and mbox entries * @vport: address of lpfc vport structure. * * Return codes: @@ -3415,7 +3455,7 @@ out: } /** - * lpfc_free_sysfs_attr: Removes the ctlreg and mbox entries. + * lpfc_free_sysfs_attr - Removes the ctlreg and mbox entries * @vport: address of lpfc vport structure. **/ void @@ -3437,7 +3477,7 @@ lpfc_free_sysfs_attr(struct lpfc_vport *vport) */ /** - * lpfc_get_host_port_id: Copy the vport DID into the scsi host port id. + * lpfc_get_host_port_id - Copy the vport DID into the scsi host port id * @shost: kernel scsi host pointer. **/ static void @@ -3450,7 +3490,7 @@ lpfc_get_host_port_id(struct Scsi_Host *shost) } /** - * lpfc_get_host_port_type: Set the value of the scsi host port type. + * lpfc_get_host_port_type - Set the value of the scsi host port type * @shost: kernel scsi host pointer. **/ static void @@ -3482,7 +3522,7 @@ lpfc_get_host_port_type(struct Scsi_Host *shost) } /** - * lpfc_get_host_port_state: Set the value of the scsi host port state. + * lpfc_get_host_port_state - Set the value of the scsi host port state * @shost: kernel scsi host pointer. **/ static void @@ -3520,7 +3560,7 @@ lpfc_get_host_port_state(struct Scsi_Host *shost) } /** - * lpfc_get_host_speed: Set the value of the scsi host speed. + * lpfc_get_host_speed - Set the value of the scsi host speed * @shost: kernel scsi host pointer. **/ static void @@ -3556,7 +3596,7 @@ lpfc_get_host_speed(struct Scsi_Host *shost) } /** - * lpfc_get_host_fabric_name: Set the value of the scsi host fabric name. + * lpfc_get_host_fabric_name - Set the value of the scsi host fabric name * @shost: kernel scsi host pointer. **/ static void @@ -3582,7 +3622,7 @@ lpfc_get_host_fabric_name (struct Scsi_Host *shost) } /** - * lpfc_get_stats: Return statistical information about the adapter. + * lpfc_get_stats - Return statistical information about the adapter * @shost: kernel scsi host pointer. * * Notes: @@ -3707,7 +3747,7 @@ lpfc_get_stats(struct Scsi_Host *shost) } /** - * lpfc_reset_stats: Copy the adapter link stats information. + * lpfc_reset_stats - Copy the adapter link stats information * @shost: kernel scsi host pointer. **/ static void @@ -3788,7 +3828,7 @@ lpfc_reset_stats(struct Scsi_Host *shost) */ /** - * lpfc_get_node_by_target: Return the nodelist for a target. + * lpfc_get_node_by_target - Return the nodelist for a target * @starget: kernel scsi target pointer. * * Returns: @@ -3817,7 +3857,7 @@ lpfc_get_node_by_target(struct scsi_target *starget) } /** - * lpfc_get_starget_port_id: Set the target port id to the ndlp DID or -1. + * lpfc_get_starget_port_id - Set the target port id to the ndlp DID or -1 * @starget: kernel scsi target pointer. **/ static void @@ -3829,7 +3869,7 @@ lpfc_get_starget_port_id(struct scsi_target *starget) } /** - * lpfc_get_starget_node_name: Set the target node name. + * lpfc_get_starget_node_name - Set the target node name * @starget: kernel scsi target pointer. * * Description: Set the target node name to the ndlp node name wwn or zero. @@ -3844,7 +3884,7 @@ lpfc_get_starget_node_name(struct scsi_target *starget) } /** - * lpfc_get_starget_port_name: Set the target port name. + * lpfc_get_starget_port_name - Set the target port name * @starget: kernel scsi target pointer. * * Description: set the target port name to the ndlp port name wwn or zero. @@ -3859,7 +3899,7 @@ lpfc_get_starget_port_name(struct scsi_target *starget) } /** - * lpfc_set_rport_loss_tmo: Set the rport dev loss tmo. + * lpfc_set_rport_loss_tmo - Set the rport dev loss tmo * @rport: fc rport address. * @timeout: new value for dev loss tmo. * @@ -3877,7 +3917,7 @@ lpfc_set_rport_loss_tmo(struct fc_rport *rport, uint32_t timeout) } /** - * lpfc_rport_show_function: Return rport target information. + * lpfc_rport_show_function - Return rport target information * * Description: * Macro that uses field to generate a function with the name lpfc_show_rport_ @@ -3905,7 +3945,7 @@ lpfc_show_rport_##field (struct device *dev, \ static FC_RPORT_ATTR(field, S_IRUGO, lpfc_show_rport_##field, NULL) /** - * lpfc_set_vport_symbolic_name: Set the vport's symbolic name. + * lpfc_set_vport_symbolic_name - Set the vport's symbolic name * @fc_vport: The fc_vport who's symbolic name has been changed. * * Description: @@ -4048,7 +4088,7 @@ struct fc_function_template lpfc_vport_transport_functions = { }; /** - * lpfc_get_cfgparam: Used during probe_one to init the adapter structure. + * lpfc_get_cfgparam - Used during probe_one to init the adapter structure * @phba: lpfc_hba pointer. **/ void @@ -4097,7 +4137,7 @@ lpfc_get_cfgparam(struct lpfc_hba *phba) } /** - * lpfc_get_vport_cfgparam: Used during port create, init the vport structure. + * lpfc_get_vport_cfgparam - Used during port create, init the vport structure * @vport: lpfc_vport pointer. **/ void |