[SCSI] lpfc 8.3.9: Changes to sysfs interface for the lpfc driver.
- Convert all sysfs parameters to uint instead of int. - Add lpfc_supress_link_up parameter. - Change link_state to writable sysfs parameter. - Add support to be able to "up" or "down" link from link_state parameter. Signed-off-by: James Smart <james.smart@emulex.com> Signed-off-by: James Bottomley <James.Bottomley@suse.de>
This commit is contained in:
James Smart
James Bottomley
parent
28baac7492
commit
84d1b00697
4 changed files with 183 additions and 33 deletions
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@ -481,6 +481,41 @@ lpfc_link_state_show(struct device *dev, struct device_attribute *attr,
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return len;
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}
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/**
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* lpfc_link_state_store - Transition the link_state on an HBA port
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* @dev: class device that is converted into a Scsi_host.
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* @attr: device attribute, not used.
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* @buf: one or more lpfc_polling_flags values.
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* @count: not used.
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*
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* Returns:
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* -EINVAL if the buffer is not "up" or "down"
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* return from link state change function if non-zero
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* length of the buf on success
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**/
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static ssize_t
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lpfc_link_state_store(struct device *dev, struct device_attribute *attr,
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const char *buf, size_t count)
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{
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struct Scsi_Host *shost = class_to_shost(dev);
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struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
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struct lpfc_hba *phba = vport->phba;
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int status = -EINVAL;
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if ((strncmp(buf, "up", sizeof("up") - 1) == 0) &&
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(phba->link_state == LPFC_LINK_DOWN))
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status = phba->lpfc_hba_init_link(phba);
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else if ((strncmp(buf, "down", sizeof("down") - 1) == 0) &&
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(phba->link_state >= LPFC_LINK_UP))
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status = phba->lpfc_hba_down_link(phba);
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if (status == 0)
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return strlen(buf);
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else
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return status;
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}
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/**
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* lpfc_num_discovered_ports_show - Return sum of mapped and unmapped vports
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* @dev: class device that is converted into a Scsi_host.
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@ -1219,7 +1254,7 @@ lpfc_##attr##_show(struct device *dev, struct device_attribute *attr, \
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struct Scsi_Host *shost = class_to_shost(dev);\
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struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;\
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struct lpfc_hba *phba = vport->phba;\
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int val = 0;\
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uint val = 0;\
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val = phba->cfg_##attr;\
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return snprintf(buf, PAGE_SIZE, "%d\n",\
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phba->cfg_##attr);\
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@ -1247,7 +1282,7 @@ lpfc_##attr##_show(struct device *dev, struct device_attribute *attr, \
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struct Scsi_Host *shost = class_to_shost(dev);\
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struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;\
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struct lpfc_hba *phba = vport->phba;\
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int val = 0;\
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uint val = 0;\
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val = phba->cfg_##attr;\
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return snprintf(buf, PAGE_SIZE, "%#x\n",\
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phba->cfg_##attr);\
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@ -1274,7 +1309,7 @@ lpfc_##attr##_show(struct device *dev, struct device_attribute *attr, \
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**/
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#define lpfc_param_init(attr, default, minval, maxval) \
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static int \
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lpfc_##attr##_init(struct lpfc_hba *phba, int val) \
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lpfc_##attr##_init(struct lpfc_hba *phba, uint val) \
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{ \
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if (val >= minval && val <= maxval) {\
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phba->cfg_##attr = val;\
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@ -1309,7 +1344,7 @@ lpfc_##attr##_init(struct lpfc_hba *phba, int val) \
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**/
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#define lpfc_param_set(attr, default, minval, maxval) \
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static int \
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lpfc_##attr##_set(struct lpfc_hba *phba, int val) \
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lpfc_##attr##_set(struct lpfc_hba *phba, uint val) \
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{ \
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if (val >= minval && val <= maxval) {\
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phba->cfg_##attr = val;\
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@ -1350,7 +1385,7 @@ lpfc_##attr##_store(struct device *dev, struct device_attribute *attr, \
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struct Scsi_Host *shost = class_to_shost(dev);\
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struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;\
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struct lpfc_hba *phba = vport->phba;\
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int val=0;\
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uint val = 0;\
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if (!isdigit(buf[0]))\
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return -EINVAL;\
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if (sscanf(buf, "%i", &val) != 1)\
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@ -1382,7 +1417,7 @@ lpfc_##attr##_show(struct device *dev, struct device_attribute *attr, \
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{ \
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struct Scsi_Host *shost = class_to_shost(dev);\
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struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;\
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int val = 0;\
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uint val = 0;\
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val = vport->cfg_##attr;\
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return snprintf(buf, PAGE_SIZE, "%d\n", vport->cfg_##attr);\
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}
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@ -1409,7 +1444,7 @@ lpfc_##attr##_show(struct device *dev, struct device_attribute *attr, \
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{ \
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struct Scsi_Host *shost = class_to_shost(dev);\
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struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;\
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int val = 0;\
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uint val = 0;\
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val = vport->cfg_##attr;\
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return snprintf(buf, PAGE_SIZE, "%#x\n", vport->cfg_##attr);\
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}
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@ -1434,7 +1469,7 @@ lpfc_##attr##_show(struct device *dev, struct device_attribute *attr, \
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**/
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#define lpfc_vport_param_init(attr, default, minval, maxval) \
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static int \
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lpfc_##attr##_init(struct lpfc_vport *vport, int val) \
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lpfc_##attr##_init(struct lpfc_vport *vport, uint val) \
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{ \
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if (val >= minval && val <= maxval) {\
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vport->cfg_##attr = val;\
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@ -1466,7 +1501,7 @@ lpfc_##attr##_init(struct lpfc_vport *vport, int val) \
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**/
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#define lpfc_vport_param_set(attr, default, minval, maxval) \
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static int \
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lpfc_##attr##_set(struct lpfc_vport *vport, int val) \
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lpfc_##attr##_set(struct lpfc_vport *vport, uint val) \
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{ \
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if (val >= minval && val <= maxval) {\
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vport->cfg_##attr = val;\
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@ -1502,7 +1537,7 @@ lpfc_##attr##_store(struct device *dev, struct device_attribute *attr, \
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{ \
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struct Scsi_Host *shost = class_to_shost(dev);\
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struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;\
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int val=0;\
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uint val = 0;\
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if (!isdigit(buf[0]))\
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return -EINVAL;\
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if (sscanf(buf, "%i", &val) != 1)\
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@ -1515,22 +1550,22 @@ lpfc_##attr##_store(struct device *dev, struct device_attribute *attr, \
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#define LPFC_ATTR(name, defval, minval, maxval, desc) \
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static int lpfc_##name = defval;\
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module_param(lpfc_##name, int, 0);\
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static uint lpfc_##name = defval;\
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module_param(lpfc_##name, uint, 0);\
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MODULE_PARM_DESC(lpfc_##name, desc);\
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lpfc_param_init(name, defval, minval, maxval)
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#define LPFC_ATTR_R(name, defval, minval, maxval, desc) \
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static int lpfc_##name = defval;\
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module_param(lpfc_##name, int, 0);\
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static uint lpfc_##name = defval;\
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module_param(lpfc_##name, uint, 0);\
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MODULE_PARM_DESC(lpfc_##name, desc);\
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lpfc_param_show(name)\
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lpfc_param_init(name, defval, minval, maxval)\
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static DEVICE_ATTR(lpfc_##name, S_IRUGO , lpfc_##name##_show, NULL)
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#define LPFC_ATTR_RW(name, defval, minval, maxval, desc) \
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static int lpfc_##name = defval;\
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module_param(lpfc_##name, int, 0);\
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static uint lpfc_##name = defval;\
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module_param(lpfc_##name, uint, 0);\
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MODULE_PARM_DESC(lpfc_##name, desc);\
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lpfc_param_show(name)\
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lpfc_param_init(name, defval, minval, maxval)\
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@ -1540,16 +1575,16 @@ static DEVICE_ATTR(lpfc_##name, S_IRUGO | S_IWUSR,\
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lpfc_##name##_show, lpfc_##name##_store)
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#define LPFC_ATTR_HEX_R(name, defval, minval, maxval, desc) \
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static int lpfc_##name = defval;\
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module_param(lpfc_##name, int, 0);\
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static uint lpfc_##name = defval;\
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module_param(lpfc_##name, uint, 0);\
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MODULE_PARM_DESC(lpfc_##name, desc);\
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lpfc_param_hex_show(name)\
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lpfc_param_init(name, defval, minval, maxval)\
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static DEVICE_ATTR(lpfc_##name, S_IRUGO , lpfc_##name##_show, NULL)
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#define LPFC_ATTR_HEX_RW(name, defval, minval, maxval, desc) \
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static int lpfc_##name = defval;\
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module_param(lpfc_##name, int, 0);\
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static uint lpfc_##name = defval;\
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module_param(lpfc_##name, uint, 0);\
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MODULE_PARM_DESC(lpfc_##name, desc);\
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lpfc_param_hex_show(name)\
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lpfc_param_init(name, defval, minval, maxval)\
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@ -1559,22 +1594,22 @@ static DEVICE_ATTR(lpfc_##name, S_IRUGO | S_IWUSR,\
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lpfc_##name##_show, lpfc_##name##_store)
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#define LPFC_VPORT_ATTR(name, defval, minval, maxval, desc) \
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static int lpfc_##name = defval;\
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module_param(lpfc_##name, int, 0);\
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static uint lpfc_##name = defval;\
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module_param(lpfc_##name, uint, 0);\
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MODULE_PARM_DESC(lpfc_##name, desc);\
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lpfc_vport_param_init(name, defval, minval, maxval)
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#define LPFC_VPORT_ATTR_R(name, defval, minval, maxval, desc) \
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static int lpfc_##name = defval;\
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module_param(lpfc_##name, int, 0);\
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static uint lpfc_##name = defval;\
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module_param(lpfc_##name, uint, 0);\
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MODULE_PARM_DESC(lpfc_##name, desc);\
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lpfc_vport_param_show(name)\
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lpfc_vport_param_init(name, defval, minval, maxval)\
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static DEVICE_ATTR(lpfc_##name, S_IRUGO , lpfc_##name##_show, NULL)
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#define LPFC_VPORT_ATTR_RW(name, defval, minval, maxval, desc) \
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static int lpfc_##name = defval;\
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module_param(lpfc_##name, int, 0);\
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static uint lpfc_##name = defval;\
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module_param(lpfc_##name, uint, 0);\
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MODULE_PARM_DESC(lpfc_##name, desc);\
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lpfc_vport_param_show(name)\
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lpfc_vport_param_init(name, defval, minval, maxval)\
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@ -1584,16 +1619,16 @@ static DEVICE_ATTR(lpfc_##name, S_IRUGO | S_IWUSR,\
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lpfc_##name##_show, lpfc_##name##_store)
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#define LPFC_VPORT_ATTR_HEX_R(name, defval, minval, maxval, desc) \
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static int lpfc_##name = defval;\
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module_param(lpfc_##name, int, 0);\
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static uint lpfc_##name = defval;\
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module_param(lpfc_##name, uint, 0);\
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MODULE_PARM_DESC(lpfc_##name, desc);\
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lpfc_vport_param_hex_show(name)\
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lpfc_vport_param_init(name, defval, minval, maxval)\
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static DEVICE_ATTR(lpfc_##name, S_IRUGO , lpfc_##name##_show, NULL)
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#define LPFC_VPORT_ATTR_HEX_RW(name, defval, minval, maxval, desc) \
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static int lpfc_##name = defval;\
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module_param(lpfc_##name, int, 0);\
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static uint lpfc_##name = defval;\
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module_param(lpfc_##name, uint, 0);\
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MODULE_PARM_DESC(lpfc_##name, desc);\
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lpfc_vport_param_hex_show(name)\
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lpfc_vport_param_init(name, defval, minval, maxval)\
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@ -1614,7 +1649,8 @@ static DEVICE_ATTR(programtype, S_IRUGO, lpfc_programtype_show, NULL);
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static DEVICE_ATTR(portnum, S_IRUGO, lpfc_vportnum_show, NULL);
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static DEVICE_ATTR(fwrev, S_IRUGO, lpfc_fwrev_show, NULL);
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static DEVICE_ATTR(hdw, S_IRUGO, lpfc_hdw_show, NULL);
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static DEVICE_ATTR(link_state, S_IRUGO, lpfc_link_state_show, NULL);
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static DEVICE_ATTR(link_state, S_IRUGO | S_IWUSR, lpfc_link_state_show,
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lpfc_link_state_store);
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static DEVICE_ATTR(option_rom_version, S_IRUGO,
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lpfc_option_rom_version_show, NULL);
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static DEVICE_ATTR(num_discovered_ports, S_IRUGO,
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@ -1896,6 +1932,15 @@ lpfc_param_init(enable_npiv, 0, 0, 1);
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static DEVICE_ATTR(lpfc_enable_npiv, S_IRUGO,
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lpfc_enable_npiv_show, NULL);
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/*
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# lpfc_suppress_link_up: Bring link up at initialization
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# 0x0 = bring link up (issue MBX_INIT_LINK)
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# 0x1 = do NOT bring link up at initialization(MBX_INIT_LINK)
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# 0x2 = never bring up link
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# Default value is 0.
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*/
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LPFC_ATTR_R(suppress_link_up, 0, 0, 2, "Suppress Link Up at initialization");
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/*
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# lpfc_nodev_tmo: If set, it will hold all I/O errors on devices that disappear
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# until the timer expires. Value range is [0,255]. Default value is 30.
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@ -3278,6 +3323,7 @@ struct device_attribute *lpfc_hba_attrs[] = {
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&dev_attr_lpfc_prot_sg_seg_cnt,
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&dev_attr_lpfc_aer_support,
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&dev_attr_lpfc_aer_state_cleanup,
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&dev_attr_lpfc_suppress_link_up,
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NULL,
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};
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@ -4456,7 +4502,7 @@ lpfc_get_cfgparam(struct lpfc_hba *phba)
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lpfc_hba_queue_depth_init(phba, lpfc_hba_queue_depth);
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lpfc_hba_log_verbose_init(phba, lpfc_log_verbose);
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lpfc_aer_support_init(phba, lpfc_aer_support);
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lpfc_suppress_link_up_init(phba, lpfc_suppress_link_up);
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return;
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}
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