#include "lpfc_hw.h"
#include "lpfc_sli.h"
+#include "lpfc_nl.h"
#include "lpfc_disc.h"
#include "lpfc_scsi.h"
#include "lpfc.h"
#define LPFC_LINK_SPEED_BITMAP 0x00000117
#define LPFC_LINK_SPEED_STRING "0, 1, 2, 4, 8"
+/**
+ * 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.
+ *
+ * Description:
+ * JEDEC Joint Electron Device Engineering Council.
+ * Convert a 32 bit integer composed of 8 nibbles into an 8 byte ascii
+ * character string. The string is then terminated with a NULL in byte 9.
+ * Hex 0-9 becomes ascii '0' to '9'.
+ * Hex a-f becomes ascii '=' to 'B' capital B.
+ *
+ * Notes:
+ * Coded for 32 bit integers only.
+ **/
static void
lpfc_jedec_to_ascii(int incr, char hdw[])
{
return;
}
+/**
+ * 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.
+ *
+ * Returns: size of formatted string.
+ **/
static ssize_t
lpfc_drvr_version_show(struct device *dev, struct device_attribute *attr,
char *buf)
return snprintf(buf, PAGE_SIZE, LPFC_MODULE_DESC "\n");
}
+/**
+ * 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().
+ *
+ * Returns: size of formatted string.
+ **/
static ssize_t
lpfc_info_show(struct device *dev, struct device_attribute *attr,
char *buf)
return snprintf(buf, PAGE_SIZE, "%s\n",lpfc_info(host));
}
+/**
+ * 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.
+ *
+ * Returns: size of formatted string.
+ **/
static ssize_t
lpfc_serialnum_show(struct device *dev, struct device_attribute *attr,
char *buf)
return snprintf(buf, PAGE_SIZE, "%s\n",phba->SerialNumber);
}
+/**
+ * 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.
+ *
+ * Description:
+ * Returns a number indicating the temperature sensor level currently
+ * supported, zero or one in ascii.
+ *
+ * Returns: size of formatted string.
+ **/
static ssize_t
lpfc_temp_sensor_show(struct device *dev, struct device_attribute *attr,
char *buf)
return snprintf(buf, PAGE_SIZE, "%d\n",phba->temp_sensor_support);
}
+/**
+ * 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.
+ *
+ * Returns: size of formatted string.
+ **/
static ssize_t
lpfc_modeldesc_show(struct device *dev, struct device_attribute *attr,
char *buf)
return snprintf(buf, PAGE_SIZE, "%s\n",phba->ModelDesc);
}
+/**
+ * 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.
+ *
+ * Returns: size of formatted string.
+ **/
static ssize_t
lpfc_modelname_show(struct device *dev, struct device_attribute *attr,
char *buf)
return snprintf(buf, PAGE_SIZE, "%s\n",phba->ModelName);
}
+/**
+ * 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.
+ *
+ * Returns: size of formatted string.
+ **/
static ssize_t
lpfc_programtype_show(struct device *dev, struct device_attribute *attr,
char *buf)
return snprintf(buf, PAGE_SIZE, "%s\n",phba->ProgramType);
}
+/**
+ * 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.
+ *
+ * Returns: size of formatted string.
+ **/
+static ssize_t
+lpfc_mlomgmt_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 snprintf(buf, PAGE_SIZE, "%d\n",
+ (phba->sli.sli_flag & LPFC_MENLO_MAINT));
+}
+
+/**
+ * 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.
+ *
+ * Returns: size of formatted string.
+ **/
static ssize_t
lpfc_vportnum_show(struct device *dev, struct device_attribute *attr,
char *buf)
return snprintf(buf, PAGE_SIZE, "%s\n",phba->Port);
}
+/**
+ * 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.
+ *
+ * Returns: size of formatted string.
+ **/
static ssize_t
lpfc_fwrev_show(struct device *dev, struct device_attribute *attr,
char *buf)
return snprintf(buf, PAGE_SIZE, "%s, sli-%d\n", fwrev, phba->sli_rev);
}
+/**
+ * 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.
+ *
+ * Returns: size of formatted string.
+ **/
static ssize_t
lpfc_hdw_show(struct device *dev, struct device_attribute *attr, char *buf)
{
lpfc_jedec_to_ascii(vp->rev.biuRev, hdw);
return snprintf(buf, PAGE_SIZE, "%s\n", hdw);
}
+
+/**
+ * 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.
+ *
+ * Returns: size of formatted string.
+ **/
static ssize_t
lpfc_option_rom_version_show(struct device *dev, struct device_attribute *attr,
char *buf)
return snprintf(buf, PAGE_SIZE, "%s\n", phba->OptionROMVersion);
}
+
+/**
+ * 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.
+ *
+ * Notes:
+ * The switch statement has no default so zero will be returned.
+ *
+ * Returns: size of formatted string.
+ **/
static ssize_t
lpfc_link_state_show(struct device *dev, struct device_attribute *attr,
char *buf)
"Unknown\n");
break;
}
-
- if (phba->fc_topology == TOPOLOGY_LOOP) {
+ if (phba->sli.sli_flag & LPFC_MENLO_MAINT)
+ len += snprintf(buf + len, PAGE_SIZE-len,
+ " Menlo Maint Mode\n");
+ else if (phba->fc_topology == TOPOLOGY_LOOP) {
if (vport->fc_flag & FC_PUBLIC_LOOP)
len += snprintf(buf + len, PAGE_SIZE-len,
" Public Loop\n");
return len;
}
+/**
+ * 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.
+ *
+ * Description:
+ * Returns the ascii text number of the sum of the fc mapped and unmapped
+ * vport counts.
+ *
+ * Returns: size of formatted string.
+ **/
static ssize_t
lpfc_num_discovered_ports_show(struct device *dev,
struct device_attribute *attr, char *buf)
vport->fc_map_cnt + vport->fc_unmap_cnt);
}
-
+/**
+ * lpfc_issue_lip: Misnomer, name carried over from long ago.
+ * @shost: Scsi_Host pointer.
+ *
+ * Description:
+ * Bring the link down gracefully then re-init the link. The firmware will
+ * re-init the fiber channel interface as required. Does not issue a LIP.
+ *
+ * Returns:
+ * -EPERM port offline or management commands are being blocked
+ * -ENOMEM cannot allocate memory for the mailbox command
+ * -EIO error sending the mailbox command
+ * zero for success
+ **/
static int
lpfc_issue_lip(struct Scsi_Host *shost)
{
return 0;
}
+/**
+ * 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.
+ *
+ * Notes:
+ * 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.
+ *
+ * Returns:
+ * -EIO error posting the event
+ * zero for success
+ **/
static int
lpfc_do_offline(struct lpfc_hba *phba, uint32_t type)
{
return 0;
}
+/**
+ * lpfc_selective_reset: Offline then onlines the port.
+ * @phba: lpfc_hba pointer.
+ *
+ * Description:
+ * If the port is configured to allow a reset then the hba is brought
+ * offline then online.
+ *
+ * Notes:
+ * Assumes any error from lpfc_do_offline() will be negative.
+ *
+ * Returns:
+ * lpfc_do_offline() return code if not zero
+ * -EIO reset not configured or error posting the event
+ * zero for success
+ **/
static int
lpfc_selective_reset(struct lpfc_hba *phba)
{
return 0;
}
+/**
+ * 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".
+ * @count: unused variable.
+ *
+ * Description:
+ * If the buf contains the string "selective" then lpfc_selective_reset()
+ * is called to perform the reset.
+ *
+ * Notes:
+ * Assumes any error from lpfc_selective_reset() will be negative.
+ * If lpfc_selective_reset() returns zero then the length of the buffer
+ * is returned which indicates succcess
+ *
+ * Returns:
+ * -EINVAL if the buffer does not contain the string "selective"
+ * length of buf if lpfc-selective_reset() if the call succeeds
+ * return value of lpfc_selective_reset() if the call fails
+**/
static ssize_t
lpfc_issue_reset(struct device *dev, struct device_attribute *attr,
const char *buf, size_t count)
return status;
}
+/**
+ * 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.
+ *
+ * Returns: size of formatted string.
+ **/
static ssize_t
lpfc_nport_evt_cnt_show(struct device *dev, struct device_attribute *attr,
char *buf)
return snprintf(buf, PAGE_SIZE, "%d\n", phba->nport_event_cnt);
}
+/**
+ * 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.
+ *
+ * Returns: size of formatted string.
+ **/
static ssize_t
lpfc_board_mode_show(struct device *dev, struct device_attribute *attr,
char *buf)
return snprintf(buf, PAGE_SIZE, "%s\n", 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".
+ * @count: unused variable.
+ *
+ * Returns:
+ * -EACCES if enable hba reset not enabled
+ * -EINVAL if the buffer does not contain a valid string (see above)
+ * -EIO if lpfc_workq_post_event() or lpfc_do_offline() fails
+ * buf length greater than zero indicates success
+ **/
static ssize_t
lpfc_board_mode_store(struct device *dev, struct device_attribute *attr,
const char *buf, size_t count)
return -EIO;
}
+/**
+ * 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.
+ *
+ * Description:
+ * If an integer pointer for an count is not null then the value for the
+ * count is returned.
+ *
+ * Returns:
+ * zero on error
+ * one for success
+ **/
static int
lpfc_get_hba_info(struct lpfc_hba *phba,
uint32_t *mxri, uint32_t *axri,
return 1;
}
+/**
+ * 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".
+ *
+ * Description:
+ * Calls lpfc_get_hba_info() asking for just the mrpi count.
+ * If lpfc_get_hba_info() returns zero (failure) the buffer text is set
+ * to "Unknown" and the buffer length is returned, therefore the caller
+ * must check for "Unknown" in the buffer to detect a failure.
+ *
+ * Returns: size of formatted string.
+ **/
static ssize_t
lpfc_max_rpi_show(struct device *dev, struct device_attribute *attr,
char *buf)
return snprintf(buf, PAGE_SIZE, "Unknown\n");
}
+/**
+ * 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".
+ *
+ * Description:
+ * Calls lpfc_get_hba_info() asking for just the mrpi and arpi counts.
+ * If lpfc_get_hba_info() returns zero (failure) the buffer text is set
+ * to "Unknown" and the buffer length is returned, therefore the caller
+ * must check for "Unknown" in the buffer to detect a failure.
+ *
+ * Returns: size of formatted string.
+ **/
static ssize_t
lpfc_used_rpi_show(struct device *dev, struct device_attribute *attr,
char *buf)
return snprintf(buf, PAGE_SIZE, "Unknown\n");
}
+/**
+ * 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".
+ *
+ * Description:
+ * Calls lpfc_get_hba_info() asking for just the mrpi count.
+ * If lpfc_get_hba_info() returns zero (failure) the buffer text is set
+ * to "Unknown" and the buffer length is returned, therefore the caller
+ * must check for "Unknown" in the buffer to detect a failure.
+ *
+ * Returns: size of formatted string.
+ **/
static ssize_t
lpfc_max_xri_show(struct device *dev, struct device_attribute *attr,
char *buf)
return snprintf(buf, PAGE_SIZE, "Unknown\n");
}
+/**
+ * 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".
+ *
+ * Description:
+ * Calls lpfc_get_hba_info() asking for just the mxri and axri counts.
+ * If lpfc_get_hba_info() returns zero (failure) the buffer text is set
+ * to "Unknown" and the buffer length is returned, therefore the caller
+ * must check for "Unknown" in the buffer to detect a failure.
+ *
+ * Returns: size of formatted string.
+ **/
static ssize_t
lpfc_used_xri_show(struct device *dev, struct device_attribute *attr,
char *buf)
return snprintf(buf, PAGE_SIZE, "Unknown\n");
}
+/**
+ * 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".
+ *
+ * Description:
+ * Calls lpfc_get_hba_info() asking for just the mvpi count.
+ * If lpfc_get_hba_info() returns zero (failure) the buffer text is set
+ * to "Unknown" and the buffer length is returned, therefore the caller
+ * must check for "Unknown" in the buffer to detect a failure.
+ *
+ * Returns: size of formatted string.
+ **/
static ssize_t
lpfc_max_vpi_show(struct device *dev, struct device_attribute *attr,
char *buf)
return snprintf(buf, PAGE_SIZE, "Unknown\n");
}
+/**
+ * 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".
+ *
+ * Description:
+ * Calls lpfc_get_hba_info() asking for just the mvpi and avpi counts.
+ * If lpfc_get_hba_info() returns zero (failure) the buffer text is set
+ * to "Unknown" and the buffer length is returned, therefore the caller
+ * must check for "Unknown" in the buffer to detect a failure.
+ *
+ * Returns: size of formatted string.
+ **/
static ssize_t
lpfc_used_vpi_show(struct device *dev, struct device_attribute *attr,
char *buf)
return snprintf(buf, PAGE_SIZE, "Unknown\n");
}
+/**
+ * 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.
+ *
+ * Description:
+ * Buffer will contain text indicating npiv is not suppoerted on the port,
+ * the port is an NPIV physical port, or it is an npiv virtual port with
+ * the id of the vport.
+ *
+ * Returns: size of formatted string.
+ **/
static ssize_t
lpfc_npiv_info_show(struct device *dev, struct device_attribute *attr,
char *buf)
return snprintf(buf, PAGE_SIZE, "NPIV Virtual (VPI %d)\n", vport->vpi);
}
+/**
+ * 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.
+ *
+ * Notes:
+ * cfg_poll should be a lpfc_polling_flags type.
+ *
+ * Returns: size of formatted string.
+ **/
static ssize_t
lpfc_poll_show(struct device *dev, struct device_attribute *attr,
char *buf)
return snprintf(buf, PAGE_SIZE, "%#x\n", phba->cfg_poll);
}
+/**
+ * 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.
+ * @count: not used.
+ *
+ * Notes:
+ * buf contents converted to integer and checked for a valid value.
+ *
+ * Returns:
+ * -EINVAL if the buffer connot be converted or is out of range
+ * length of the buf on success
+ **/
static ssize_t
lpfc_poll_store(struct device *dev, struct device_attribute *attr,
const char *buf, size_t count)
return strlen(buf);
}
+/**
+ * lpfc_param_show: Return a cfg attribute value in decimal.
+ *
+ * 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: Return the decimal 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 decimal.
+ *
+ * Returns: size of formatted string.
+ **/
#define lpfc_param_show(attr) \
static ssize_t \
lpfc_##attr##_show(struct device *dev, struct device_attribute *attr, \
phba->cfg_##attr);\
}
+/**
+ * lpfc_param_hex_show: Return a cfg attribute value in hex.
+ *
+ * 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: 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.
+ *
+ * Returns: size of formatted string.
+ **/
#define lpfc_param_hex_show(attr) \
static ssize_t \
lpfc_##attr##_show(struct device *dev, struct device_attribute *attr, \
phba->cfg_##attr);\
}
+/**
+ * lpfc_param_init: Intializes a cfg attribute.
+ *
+ * Description:
+ * Macro that given an attr e.g. hba_queue_depth expands
+ * into a function with the name lpfc_hba_queue_depth_init. The macro also
+ * takes a default argument, a minimum and maximum argument.
+ *
+ * lpfc_##attr##_init: Initializes an attribute.
+ * @phba: pointer the the adapter structure.
+ * @val: integer attribute value.
+ *
+ * Validates the min and max values then sets the adapter config field
+ * accordingly, or uses the default if out of range and prints an error message.
+ *
+ * Returns:
+ * zero on success
+ * -EINVAL if default used
+ **/
#define lpfc_param_init(attr, default, minval, maxval) \
static int \
lpfc_##attr##_init(struct lpfc_hba *phba, int val) \
return -EINVAL;\
}
+/**
+ * lpfc_param_set: Set a cfg attribute value.
+ *
+ * Description:
+ * Macro that given an attr e.g. hba_queue_depth expands
+ * into a function with the name lpfc_hba_queue_depth_set
+ *
+ * lpfc_##attr##_set: Sets an attribute value.
+ * @phba: pointer the the adapter structure.
+ * @val: integer attribute value.
+ *
+ * Description:
+ * Validates the min and max values then sets the
+ * adapter config field if in the valid range. prints error message
+ * and does not set the parameter if invalid.
+ *
+ * Returns:
+ * zero on success
+ * -EINVAL if val is invalid
+ **/
#define lpfc_param_set(attr, default, minval, maxval) \
static int \
lpfc_##attr##_set(struct lpfc_hba *phba, int val) \
return -EINVAL;\
}
+/**
+ * lpfc_param_store: Set a vport attribute value.
+ *
+ * Description:
+ * Macro that given an attr e.g. hba_queue_depth expands
+ * into a function with the name lpfc_hba_queue_depth_store.
+ *
+ * lpfc_##attr##_store: Set an sttribute value.
+ * @dev: class device that is converted into a Scsi_host.
+ * @attr: device attribute, not used.
+ * @buf: contains the attribute value in ascii.
+ * @count: not used.
+ *
+ * Description:
+ * Convert the ascii text number to an integer, then
+ * use the lpfc_##attr##_set function to set the value.
+ *
+ * Returns:
+ * -EINVAL if val is invalid or lpfc_##attr##_set() fails
+ * length of buffer upon success.
+ **/
#define lpfc_param_store(attr) \
static ssize_t \
lpfc_##attr##_store(struct device *dev, struct device_attribute *attr, \
return -EINVAL;\
}
+/**
+ * lpfc_vport_param_show: Return decimal formatted cfg 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 decimal.
+ * @dev: class device that is converted into a Scsi_host.
+ * @attr: device attribute, not used.
+ * @buf: on return contains the attribute value in decimal.
+ *
+ * Returns: length of formatted string.
+ **/
#define lpfc_vport_param_show(attr) \
static ssize_t \
lpfc_##attr##_show(struct device *dev, struct device_attribute *attr, \
return snprintf(buf, PAGE_SIZE, "%d\n", vport->cfg_##attr);\
}
+/**
+ * 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.
+ * @dev: class device that is converted into a Scsi_host.
+ * @attr: device attribute, not used.
+ * @buf: on return contains the attribute value in hexidecimal.
+ *
+ * Returns: length of formatted string.
+ **/
#define lpfc_vport_param_hex_show(attr) \
static ssize_t \
lpfc_##attr##_show(struct device *dev, struct device_attribute *attr, \
return snprintf(buf, PAGE_SIZE, "%#x\n", vport->cfg_##attr);\
}
+/**
+ * lpfc_vport_param_init: Initialize a vport cfg attribute.
+ *
+ * Description:
+ * Macro that given an attr e.g. hba_queue_depth expands
+ * into a function with the name lpfc_hba_queue_depth_init. The macro also
+ * takes a default argument, a minimum and maximum argument.
+ *
+ * lpfc_##attr##_init: validates the min and max values then sets the
+ * adapter config field accordingly, or uses the default if out of range
+ * and prints an error message.
+ * @phba: pointer the the adapter structure.
+ * @val: integer attribute value.
+ *
+ * Returns:
+ * zero on success
+ * -EINVAL if default used
+ **/
#define lpfc_vport_param_init(attr, default, minval, maxval) \
static int \
lpfc_##attr##_init(struct lpfc_vport *vport, int val) \
return 0;\
}\
lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT, \
- "0449 lpfc_"#attr" attribute cannot be set to %d, "\
+ "0423 lpfc_"#attr" attribute cannot be set to %d, "\
"allowed range is ["#minval", "#maxval"]\n", val); \
vport->cfg_##attr = default;\
return -EINVAL;\
}
+/**
+ * lpfc_vport_param_set: Set a vport cfg attribute.
+ *
+ * Description:
+ * Macro that given an attr e.g. hba_queue_depth expands
+ * into a function with the name lpfc_hba_queue_depth_set
+ *
+ * lpfc_##attr##_set: validates the min and max values then sets the
+ * adapter config field if in the valid range. prints error message
+ * and does not set the parameter if invalid.
+ * @phba: pointer the the adapter structure.
+ * @val: integer attribute value.
+ *
+ * Returns:
+ * zero on success
+ * -EINVAL if val is invalid
+ **/
#define lpfc_vport_param_set(attr, default, minval, maxval) \
static int \
lpfc_##attr##_set(struct lpfc_vport *vport, int val) \
return 0;\
}\
lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT, \
- "0450 lpfc_"#attr" attribute cannot be set to %d, "\
+ "0424 lpfc_"#attr" attribute cannot be set to %d, "\
"allowed range is ["#minval", "#maxval"]\n", val); \
return -EINVAL;\
}
+/**
+ * lpfc_vport_param_store: Set a vport attribute.
+ *
+ * Description:
+ * Macro that given an attr e.g. hba_queue_depth
+ * expands into a function with the name lpfc_hba_queue_depth_store
+ *
+ * lpfc_##attr##_store: convert the ascii text number to an integer, then
+ * use the lpfc_##attr##_set function to set the value.
+ * @cdev: class device that is converted into a Scsi_host.
+ * @buf: contains the attribute value in decimal.
+ * @count: not used.
+ *
+ * Returns:
+ * -EINVAL if val is invalid or lpfc_##attr##_set() fails
+ * length of buffer upon success.
+ **/
#define lpfc_vport_param_store(attr) \
static ssize_t \
lpfc_##attr##_store(struct device *dev, struct device_attribute *attr, \
lpfc_option_rom_version_show, NULL);
static DEVICE_ATTR(num_discovered_ports, S_IRUGO,
lpfc_num_discovered_ports_show, NULL);
+static DEVICE_ATTR(menlo_mgmt_mode, S_IRUGO, lpfc_mlomgmt_show, NULL);
static DEVICE_ATTR(nport_evt_cnt, S_IRUGO, lpfc_nport_evt_cnt_show, NULL);
static DEVICE_ATTR(lpfc_drvr_version, S_IRUGO, lpfc_drvr_version_show, NULL);
static DEVICE_ATTR(board_mode, S_IRUGO | S_IWUSR,
static char *lpfc_soft_wwn_key = "C99G71SL8032A";
+/**
+ * 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)
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.
+ * @dev: class device that is converted into a Scsi_host.
+ * @attr: device attribute, not used.
+ * @buf: on return contains the wwpn in hexidecimal.
+ *
+ * Returns: size of formatted string.
+ **/
static ssize_t
lpfc_soft_wwpn_show(struct device *dev, struct device_attribute *attr,
char *buf)
(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 hexidecimal.
+ * @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)
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.
+ * @dev: class device that is converted into a Scsi_host.
+ * @attr: device attribute, not used.
+ * @buf: on return contains the wwnn in hexidecimal.
+ *
+ * Returns: size of formatted string.
+ **/
static ssize_t
lpfc_soft_wwnn_show(struct device *dev, struct device_attribute *attr,
char *buf)
(unsigned long long)phba->cfg_soft_wwnn);
}
-
+/**
+ * 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.
+ * @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)
MODULE_PARM_DESC(lpfc_nodev_tmo,
"Seconds driver will hold I/O waiting "
"for a device to come back");
+
+/**
+ * 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.
+ *
+ * Returns: size of formatted string.
+ **/
static ssize_t
lpfc_nodev_tmo_show(struct device *dev, struct device_attribute *attr,
char *buf)
return snprintf(buf, PAGE_SIZE, "%d\n", vport->cfg_devloss_tmo);
}
+/**
+ * lpfc_nodev_tmo_init: Set the hba nodev timeout value.
+ * @vport: lpfc vport structure pointer.
+ * @val: contains the nodev timeout value.
+ *
+ * Description:
+ * If the devloss tmo is already set then nodev tmo is set to devloss tmo,
+ * a kernel error message is printed and zero is returned.
+ * Else if val is in range then nodev tmo and devloss tmo are set to val.
+ * Otherwise nodev tmo is set to the default value.
+ *
+ * Returns:
+ * zero if already set or if val is in range
+ * -EINVAL val out of range
+ **/
static int
lpfc_nodev_tmo_init(struct lpfc_vport *vport, int val)
{
vport->cfg_nodev_tmo = vport->cfg_devloss_tmo;
if (val != LPFC_DEF_DEVLOSS_TMO)
lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT,
- "0402 Ignoring nodev_tmo module "
+ "0407 Ignoring nodev_tmo module "
"parameter because devloss_tmo is "
"set.\n");
return 0;
return -EINVAL;
}
+/**
+ * lpfc_update_rport_devloss_tmo: Update dev loss tmo value.
+ * @vport: lpfc vport structure pointer.
+ *
+ * Description:
+ * Update all the ndlp's dev loss tmo with the vport devloss tmo value.
+ **/
static void
lpfc_update_rport_devloss_tmo(struct lpfc_vport *vport)
{
spin_unlock_irq(shost->host_lock);
}
+/**
+ * lpfc_nodev_tmo_set: Set the vport nodev tmo and devloss tmo values.
+ * @vport: lpfc vport structure pointer.
+ * @val: contains the tmo value.
+ *
+ * Description:
+ * If the devloss tmo is already set or the vport dev loss tmo has changed
+ * then a kernel error message is printed and zero is returned.
+ * Else if val is in range then nodev tmo and devloss tmo are set to val.
+ * Otherwise nodev tmo is set to the default value.
+ *
+ * Returns:
+ * zero if already set or if val is in range
+ * -EINVAL val out of range
+ **/
static int
lpfc_nodev_tmo_set(struct lpfc_vport *vport, int val)
{
lpfc_vport_param_init(devloss_tmo, LPFC_DEF_DEVLOSS_TMO,
LPFC_MIN_DEVLOSS_TMO, LPFC_MAX_DEVLOSS_TMO)
lpfc_vport_param_show(devloss_tmo)
+
+/**
+ * lpfc_devloss_tmo_set: Sets vport nodev tmo, devloss tmo values, changed bit.
+ * @vport: lpfc vport structure pointer.
+ * @val: contains the tmo value.
+ *
+ * Description:
+ * If val is in a valid range then set the vport nodev tmo,
+ * devloss tmo, also set the vport dev loss tmo changed flag.
+ * Else a kernel error message is printed.
+ *
+ * Returns:
+ * zero if val is in range
+ * -EINVAL val out of range
+ **/
static int
lpfc_devloss_tmo_set(struct lpfc_vport *vport, int val)
{
"Restrict virtual ports login to remote initiators.");
lpfc_vport_param_show(restrict_login);
+/**
+ * lpfc_restrict_login_init: Set the vport restrict login flag.
+ * @vport: lpfc vport structure pointer.
+ * @val: contains the restrict login value.
+ *
+ * Description:
+ * If val is not in a valid range then log a kernel error message and set
+ * the vport restrict login to one.
+ * If the port type is physical clear the restrict login flag and return.
+ * Else set the restrict login flag to val.
+ *
+ * Returns:
+ * zero if val is in range
+ * -EINVAL val out of range
+ **/
static int
lpfc_restrict_login_init(struct lpfc_vport *vport, int val)
{
if (val < 0 || val > 1) {
lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT,
- "0449 lpfc_restrict_login attribute cannot "
+ "0422 lpfc_restrict_login attribute cannot "
"be set to %d, allowed range is [0, 1]\n",
val);
vport->cfg_restrict_login = 1;
return 0;
}
+/**
+ * lpfc_restrict_login_set: Set the vport restrict login flag.
+ * @vport: lpfc vport structure pointer.
+ * @val: contains the restrict login value.
+ *
+ * Description:
+ * If val is not in a valid range then log a kernel error message and set
+ * the vport restrict login to one.
+ * If the port type is physical and the val is not zero log a kernel
+ * error message, clear the restrict login flag and return zero.
+ * Else set the restrict login flag to val.
+ *
+ * Returns:
+ * zero if val is in range
+ * -EINVAL val out of range
+ **/
static int
lpfc_restrict_login_set(struct lpfc_vport *vport, int val)
{
if (val < 0 || val > 1) {
lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT,
- "0450 lpfc_restrict_login attribute cannot "
+ "0425 lpfc_restrict_login attribute cannot "
"be set to %d, allowed range is [0, 1]\n",
val);
vport->cfg_restrict_login = 1;
# Set loop mode if you want to run as an NL_Port. Value range is [0,0x6].
# Default value is 0.
*/
+
+/**
+ * lpfc_topology_set: Set the adapters topology field.
+ * @phba: lpfc_hba pointer.
+ * @val: topology value.
+ *
+ * Description:
+ * If val is in a valid range then set the adapter's topology field and
+ * issue a lip; if the lip fails reset the topology to the old value.
+ *
+ * If the value is not in range log a kernel error message and return an error.
+ *
+ * Returns:
+ * zero if val is in range and lip okay
+ * 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 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.
+ * @dev: Pointer to class device.
+ * @buf: Data buffer.
+ * @count: Size of the data buffer.
+ *
+ * This function get called when an user write to the lpfc_stat_data_ctrl
+ * sysfs file. This function parse the command written to the sysfs file
+ * and take appropriate action. These commands are used for controlling
+ * driver statistical data collection.
+ * Following are the command this function handles.
+ *
+ * setbucket <bucket_type> <base> <step>
+ * = Set the latency buckets.
+ * destroybucket = destroy all the buckets.
+ * start = start data collection
+ * stop = stop data collection
+ * reset = reset the collected data
+ **/
+static ssize_t
+lpfc_stat_data_ctrl_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;
+#define LPFC_MAX_DATA_CTRL_LEN 1024
+ static char bucket_data[LPFC_MAX_DATA_CTRL_LEN];
+ unsigned long i;
+ char *str_ptr, *token;
+ struct lpfc_vport **vports;
+ struct Scsi_Host *v_shost;
+ char *bucket_type_str, *base_str, *step_str;
+ unsigned long base, step, bucket_type;
+
+ if (!strncmp(buf, "setbucket", strlen("setbucket"))) {
+ if (strlen(buf) > LPFC_MAX_DATA_CTRL_LEN)
+ return -EINVAL;
+
+ strcpy(bucket_data, buf);
+ str_ptr = &bucket_data[0];
+ /* Ignore this token - this is command token */
+ token = strsep(&str_ptr, "\t ");
+ if (!token)
+ return -EINVAL;
+
+ bucket_type_str = strsep(&str_ptr, "\t ");
+ if (!bucket_type_str)
+ return -EINVAL;
+
+ if (!strncmp(bucket_type_str, "linear", strlen("linear")))
+ bucket_type = LPFC_LINEAR_BUCKET;
+ else if (!strncmp(bucket_type_str, "power2", strlen("power2")))
+ bucket_type = LPFC_POWER2_BUCKET;
+ else
+ return -EINVAL;
+
+ base_str = strsep(&str_ptr, "\t ");
+ if (!base_str)
+ return -EINVAL;
+ base = simple_strtoul(base_str, NULL, 0);
+
+ step_str = strsep(&str_ptr, "\t ");
+ if (!step_str)
+ return -EINVAL;
+ step = simple_strtoul(step_str, NULL, 0);
+ if (!step)
+ return -EINVAL;
+
+ /* Block the data collection for every vport */
+ vports = lpfc_create_vport_work_array(phba);
+ if (vports == NULL)
+ return -ENOMEM;
+
+ for (i = 0; i <= phba->max_vpi && vports[i] != NULL; i++) {
+ v_shost = lpfc_shost_from_vport(vports[i]);
+ spin_lock_irq(v_shost->host_lock);
+ /* Block and reset data collection */
+ vports[i]->stat_data_blocked = 1;
+ if (vports[i]->stat_data_enabled)
+ lpfc_vport_reset_stat_data(vports[i]);
+ spin_unlock_irq(v_shost->host_lock);
+ }
+
+ /* Set the bucket attributes */
+ phba->bucket_type = bucket_type;
+ phba->bucket_base = base;
+ phba->bucket_step = step;
+
+ for (i = 0; i <= phba->max_vpi && vports[i] != NULL; i++) {
+ v_shost = lpfc_shost_from_vport(vports[i]);
+
+ /* Unblock data collection */
+ spin_lock_irq(v_shost->host_lock);
+ vports[i]->stat_data_blocked = 0;
+ spin_unlock_irq(v_shost->host_lock);
+ }
+ lpfc_destroy_vport_work_array(phba, vports);
+ return strlen(buf);
+ }
+
+ if (!strncmp(buf, "destroybucket", strlen("destroybucket"))) {
+ vports = lpfc_create_vport_work_array(phba);
+ if (vports == NULL)
+ return -ENOMEM;
+
+ for (i = 0; i <= phba->max_vpi && vports[i] != NULL; i++) {
+ v_shost = lpfc_shost_from_vport(vports[i]);
+ spin_lock_irq(shost->host_lock);
+ vports[i]->stat_data_blocked = 1;
+ lpfc_free_bucket(vport);
+ vport->stat_data_enabled = 0;
+ vports[i]->stat_data_blocked = 0;
+ spin_unlock_irq(shost->host_lock);
+ }
+ lpfc_destroy_vport_work_array(phba, vports);
+ phba->bucket_type = LPFC_NO_BUCKET;
+ phba->bucket_base = 0;
+ phba->bucket_step = 0;
+ return strlen(buf);
+ }
+
+ if (!strncmp(buf, "start", strlen("start"))) {
+ /* If no buckets configured return error */
+ if (phba->bucket_type == LPFC_NO_BUCKET)
+ return -EINVAL;
+ spin_lock_irq(shost->host_lock);
+ if (vport->stat_data_enabled) {
+ spin_unlock_irq(shost->host_lock);
+ return strlen(buf);
+ }
+ lpfc_alloc_bucket(vport);
+ vport->stat_data_enabled = 1;
+ spin_unlock_irq(shost->host_lock);
+ return strlen(buf);
+ }
+
+ if (!strncmp(buf, "stop", strlen("stop"))) {
+ spin_lock_irq(shost->host_lock);
+ if (vport->stat_data_enabled == 0) {
+ spin_unlock_irq(shost->host_lock);
+ return strlen(buf);
+ }
+ lpfc_free_bucket(vport);
+ vport->stat_data_enabled = 0;
+ spin_unlock_irq(shost->host_lock);
+ return strlen(buf);
+ }
+
+ if (!strncmp(buf, "reset", strlen("reset"))) {
+ if ((phba->bucket_type == LPFC_NO_BUCKET)
+ || !vport->stat_data_enabled)
+ return strlen(buf);
+ spin_lock_irq(shost->host_lock);
+ vport->stat_data_blocked = 1;
+ lpfc_vport_reset_stat_data(vport);
+ vport->stat_data_blocked = 0;
+ spin_unlock_irq(shost->host_lock);
+ return strlen(buf);
+ }
+ return -EINVAL;
+}
+
+
+/**
+ * lpfc_stat_data_ctrl_show: Read callback function for
+ * lpfc_stat_data_ctrl sysfs file.
+ * @dev: Pointer to class device object.
+ * @buf: Data buffer.
+ *
+ * This function is the read call back function for
+ * lpfc_stat_data_ctrl sysfs file. This function report the
+ * current statistical data collection state.
+ **/
+static ssize_t
+lpfc_stat_data_ctrl_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;
+ int index = 0;
+ int i;
+ char *bucket_type;
+ unsigned long bucket_value;
+
+ switch (phba->bucket_type) {
+ case LPFC_LINEAR_BUCKET:
+ bucket_type = "linear";
+ break;
+ case LPFC_POWER2_BUCKET:
+ bucket_type = "power2";
+ break;
+ default:
+ bucket_type = "No Bucket";
+ break;
+ }
+
+ sprintf(&buf[index], "Statistical Data enabled :%d, "
+ "blocked :%d, Bucket type :%s, Bucket base :%d,"
+ " Bucket step :%d\nLatency Ranges :",
+ vport->stat_data_enabled, vport->stat_data_blocked,
+ bucket_type, phba->bucket_base, phba->bucket_step);
+ index = strlen(buf);
+ if (phba->bucket_type != LPFC_NO_BUCKET) {
+ for (i = 0; i < LPFC_MAX_BUCKET_COUNT; i++) {
+ if (phba->bucket_type == LPFC_LINEAR_BUCKET)
+ bucket_value = phba->bucket_base +
+ phba->bucket_step * i;
+ else
+ bucket_value = phba->bucket_base +
+ (1 << i) * phba->bucket_step;
+
+ if (index + 10 > PAGE_SIZE)
+ break;
+ sprintf(&buf[index], "%08ld ", bucket_value);
+ index = strlen(buf);
+ }
+ }
+ sprintf(&buf[index], "\n");
+ return strlen(buf);
+}
+
+/*
+ * Sysfs attribute to control the statistical data collection.
+ */
+static DEVICE_ATTR(lpfc_stat_data_ctrl, S_IRUGO | S_IWUSR,
+ lpfc_stat_data_ctrl_show, lpfc_stat_data_ctrl_store);
+
+/*
+ * lpfc_drvr_stat_data: sysfs attr to get driver statistical data.
+ */
+
+/*
+ * Each Bucket takes 11 characters and 1 new line + 17 bytes WWN
+ * for each target.
+ */
+#define STAT_DATA_SIZE_PER_TARGET(NUM_BUCKETS) ((NUM_BUCKETS) * 11 + 18)
+#define MAX_STAT_DATA_SIZE_PER_TARGET \
+ STAT_DATA_SIZE_PER_TARGET(LPFC_MAX_BUCKET_COUNT)
+
+
+/**
+ * sysfs_drvr_stat_data_read: Read callback function for lpfc_drvr_stat_data
+ * sysfs attribute.
+ * @kobj: Pointer to the kernel object
+ * @bin_attr: Attribute object
+ * @buff: Buffer pointer
+ * @off: File offset
+ * @count: Buffer size
+ *
+ * This function is the read call back function for lpfc_drvr_stat_data
+ * sysfs file. This function export the statistical data to user
+ * applications.
+ **/
+static ssize_t
+sysfs_drvr_stat_data_read(struct kobject *kobj, struct bin_attribute *bin_attr,
+ char *buf, loff_t off, size_t count)
+{
+ struct device *dev = container_of(kobj, struct device,
+ kobj);
+ struct Scsi_Host *shost = class_to_shost(dev);
+ struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
+ struct lpfc_hba *phba = vport->phba;
+ int i = 0, index = 0;
+ unsigned long nport_index;
+ struct lpfc_nodelist *ndlp = NULL;
+ nport_index = (unsigned long)off /
+ MAX_STAT_DATA_SIZE_PER_TARGET;
+
+ if (!vport->stat_data_enabled || vport->stat_data_blocked
+ || (phba->bucket_type == LPFC_NO_BUCKET))
+ return 0;
+
+ spin_lock_irq(shost->host_lock);
+ list_for_each_entry(ndlp, &vport->fc_nodes, nlp_listp) {
+ if (!NLP_CHK_NODE_ACT(ndlp) || !ndlp->lat_data)
+ continue;
+
+ if (nport_index > 0) {
+ nport_index--;
+ continue;
+ }
+
+ if ((index + MAX_STAT_DATA_SIZE_PER_TARGET)
+ > count)
+ break;
+
+ if (!ndlp->lat_data)
+ continue;
+
+ /* Print the WWN */
+ sprintf(&buf[index], "%02x%02x%02x%02x%02x%02x%02x%02x:",
+ ndlp->nlp_portname.u.wwn[0],
+ ndlp->nlp_portname.u.wwn[1],
+ ndlp->nlp_portname.u.wwn[2],
+ ndlp->nlp_portname.u.wwn[3],
+ ndlp->nlp_portname.u.wwn[4],
+ ndlp->nlp_portname.u.wwn[5],
+ ndlp->nlp_portname.u.wwn[6],
+ ndlp->nlp_portname.u.wwn[7]);
+
+ index = strlen(buf);
+
+ for (i = 0; i < LPFC_MAX_BUCKET_COUNT; i++) {
+ sprintf(&buf[index], "%010u,",
+ ndlp->lat_data[i].cmd_count);
+ index = strlen(buf);
+ }
+ sprintf(&buf[index], "\n");
+ index = strlen(buf);
+ }
+ spin_unlock_irq(shost->host_lock);
+ return index;
+}
+
+static struct bin_attribute sysfs_drvr_stat_data_attr = {
+ .attr = {
+ .name = "lpfc_drvr_stat_data",
+ .mode = S_IRUSR,
+ .owner = THIS_MODULE,
+ },
+ .size = LPFC_MAX_TARGET * MAX_STAT_DATA_SIZE_PER_TARGET,
+ .read = sysfs_drvr_stat_data_read,
+ .write = NULL,
+};
+
/*
# lpfc_link_speed: Link speed selection for initializing the Fibre Channel
# connection.
# 8 = 8 Gigabaud
# Value range is [0,8]. Default value is 0.
*/
+
+/**
+ * lpfc_link_speed_set: Set the adapters link speed.
+ * @phba: lpfc_hba pointer.
+ * @val: link speed value.
+ *
+ * Description:
+ * If val is in a valid range then set the adapter's link speed field and
+ * issue a lip; if the lip fails reset the link speed to the old value.
+ *
+ * Notes:
+ * If the value is not in range log a kernel error message and return an error.
+ *
+ * Returns:
+ * zero if val is in range and lip okay.
+ * 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)
{
module_param(lpfc_link_speed, int, 0);
MODULE_PARM_DESC(lpfc_link_speed, "Select link speed");
lpfc_param_show(link_speed)
+
+/**
+ * lpfc_link_speed_init: Set the adapters link speed.
+ * @phba: lpfc_hba pointer.
+ * @val: link speed value.
+ *
+ * Description:
+ * If val is in a valid range then set the adapter's link speed field.
+ *
+ * Notes:
+ * If the value is not in range log a kernel error message, clear the link
+ * speed and return an error.
+ *
+ * Returns:
+ * zero if val saved.
+ * -EINVAL val out of range
+ **/
static int
lpfc_link_speed_init(struct lpfc_hba *phba, int val)
{
return 0;
}
lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
- "0454 lpfc_link_speed attribute cannot "
+ "0405 lpfc_link_speed attribute cannot "
"be set to %d, allowed values are "
"["LPFC_LINK_SPEED_STRING"]\n", val);
phba->cfg_link_speed = 0;
LPFC_VPORT_ATTR_RW(use_adisc, 0, 0, 1,
"Use ADISC on rediscovery to authenticate FCP devices");
+/*
+# lpfc_max_scsicmpl_time: Use scsi command completion time to control I/O queue
+# depth. Default value is 0. When the value of this parameter is zero the
+# SCSI command completion time is not used for controlling I/O queue depth. When
+# the parameter is set to a non-zero value, the I/O queue depth is controlled
+# to limit the I/O completion time to the parameter value.
+# The value is set in milliseconds.
+*/
+static int lpfc_max_scsicmpl_time;
+module_param(lpfc_max_scsicmpl_time, int, 0);
+MODULE_PARM_DESC(lpfc_max_scsicmpl_time,
+ "Use command completion time to control queue depth");
+lpfc_vport_param_show(max_scsicmpl_time);
+lpfc_vport_param_init(max_scsicmpl_time, 0, 0, 60000);
+static int
+lpfc_max_scsicmpl_time_set(struct lpfc_vport *vport, int val)
+{
+ struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
+ struct lpfc_nodelist *ndlp, *next_ndlp;
+
+ if (val == vport->cfg_max_scsicmpl_time)
+ return 0;
+ if ((val < 0) || (val > 60000))
+ return -EINVAL;
+ vport->cfg_max_scsicmpl_time = val;
+
+ spin_lock_irq(shost->host_lock);
+ list_for_each_entry_safe(ndlp, next_ndlp, &vport->fc_nodes, nlp_listp) {
+ if (!NLP_CHK_NODE_ACT(ndlp))
+ continue;
+ if (ndlp->nlp_state == NLP_STE_UNUSED_NODE)
+ continue;
+ ndlp->cmd_qdepth = LPFC_MAX_TGT_QDEPTH;
+ }
+ spin_unlock_irq(shost->host_lock);
+ return 0;
+}
+lpfc_vport_param_store(max_scsicmpl_time);
+static DEVICE_ATTR(lpfc_max_scsicmpl_time, S_IRUGO | S_IWUSR,
+ lpfc_max_scsicmpl_time_show,
+ lpfc_max_scsicmpl_time_store);
+
/*
# lpfc_ack0: Use ACK0, instead of ACK1 for class 2 acknowledgement. Value
# range is [0,1]. Default value is 0.
/*
# lpfc_use_msi: Use MSI (Message Signaled Interrupts) in systems that
# support this feature
-# 0 = MSI disabled (default)
+# 0 = MSI disabled
# 1 = MSI enabled
-# 2 = MSI-X enabled
-# Value range is [0,2]. Default value is 0.
+# 2 = MSI-X enabled (default)
+# Value range is [0,2]. Default value is 2.
*/
-LPFC_ATTR_R(use_msi, 0, 0, 2, "Use Message Signaled Interrupts (1) or "
+LPFC_ATTR_R(use_msi, 2, 0, 2, "Use Message Signaled Interrupts (1) or "
"MSI-X (2), if possible");
/*
&dev_attr_option_rom_version,
&dev_attr_link_state,
&dev_attr_num_discovered_ports,
+ &dev_attr_menlo_mgmt_mode,
&dev_attr_lpfc_drvr_version,
&dev_attr_lpfc_temp_sensor,
&dev_attr_lpfc_log_verbose,
&dev_attr_lpfc_enable_hba_reset,
&dev_attr_lpfc_enable_hba_heartbeat,
&dev_attr_lpfc_sg_seg_cnt,
+ &dev_attr_lpfc_max_scsicmpl_time,
+ &dev_attr_lpfc_stat_data_ctrl,
NULL,
};
&dev_attr_nport_evt_cnt,
&dev_attr_npiv_info,
&dev_attr_lpfc_enable_da_id,
+ &dev_attr_lpfc_max_scsicmpl_time,
+ &dev_attr_lpfc_stat_data_ctrl,
NULL,
};
+/**
+ * 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.
+ * @off: offset into buffer to beginning of data.
+ * @count: bytes to transfer.
+ *
+ * Description:
+ * Accessed via /sys/class/scsi_host/hostxxx/ctlreg.
+ * Uses the adapter io control registers to send buf contents to the adapter.
+ *
+ * Returns:
+ * -ERANGE off and count combo out of range
+ * -EINVAL off, count or buff address invalid
+ * -EPERM adapter is offline
+ * value of count, buf contents written
+ **/
static ssize_t
sysfs_ctlreg_write(struct kobject *kobj, struct bin_attribute *bin_attr,
char *buf, loff_t off, size_t count)
return count;
}
+/**
+ * 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.
+ * @off: offset into buffer to beginning of data.
+ * @count: bytes to transfer.
+ *
+ * Description:
+ * Accessed via /sys/class/scsi_host/hostxxx/ctlreg.
+ * Uses the adapter io control registers to read data into buf.
+ *
+ * Returns:
+ * -ERANGE off and count combo out of range
+ * -EINVAL off, count or buff address invalid
+ * value of count, buf contents read
+ **/
static ssize_t
sysfs_ctlreg_read(struct kobject *kobj, struct bin_attribute *bin_attr,
char *buf, loff_t off, size_t count)
.write = sysfs_ctlreg_write,
};
-
+/**
+ * sysfs_mbox_idle: frees the sysfs mailbox.
+ * @phba: lpfc_hba pointer
+ **/
static void
sysfs_mbox_idle(struct lpfc_hba *phba)
{
}
}
+/**
+ * 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.
+ * @off: offset into buffer to beginning of data.
+ * @count: bytes to transfer.
+ *
+ * Description:
+ * Accessed via /sys/class/scsi_host/hostxxx/mbox.
+ * Uses the sysfs mbox to send buf contents to the adapter.
+ *
+ * Returns:
+ * -ERANGE off and count combo out of range
+ * -EINVAL off, count or buff address invalid
+ * zero if count is zero
+ * -EPERM adapter is offline
+ * -ENOMEM failed to allocate memory for the mail box
+ * -EAGAIN offset, state or mbox is NULL
+ * count number of bytes transferred
+ **/
static ssize_t
sysfs_mbox_write(struct kobject *kobj, struct bin_attribute *bin_attr,
char *buf, loff_t off, size_t count)
return count;
}
+/**
+ * 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.
+ * @off: offset into buffer to beginning of data.
+ * @count: bytes to transfer.
+ *
+ * Description:
+ * Accessed via /sys/class/scsi_host/hostxxx/mbox.
+ * Uses the sysfs mbox to receive data from to the adapter.
+ *
+ * Returns:
+ * -ERANGE off greater than mailbox command size
+ * -EINVAL off, count or buff address invalid
+ * zero if off and count are zero
+ * -EACCES adapter over temp
+ * -EPERM garbage can value to catch a multitude of errors
+ * -EAGAIN management IO not permitted, state or off error
+ * -ETIME mailbox timeout
+ * -ENODEV mailbox error
+ * count number of bytes transferred
+ **/
static ssize_t
sysfs_mbox_read(struct kobject *kobj, struct bin_attribute *bin_attr,
char *buf, loff_t off, size_t count)
case MBX_DEL_LD_ENTRY:
case MBX_SET_VARIABLE:
case MBX_WRITE_WWN:
+ case MBX_PORT_CAPABILITIES:
+ case MBX_PORT_IOV_CONTROL:
break;
case MBX_READ_SPARM64:
case MBX_READ_LA:
/* If HBA encountered an error attention, allow only DUMP
* or RESTART mailbox commands until the HBA is restarted.
*/
- if ((phba->pport->stopped) &&
- (phba->sysfs_mbox.mbox->mb.mbxCommand !=
- MBX_DUMP_MEMORY &&
- phba->sysfs_mbox.mbox->mb.mbxCommand !=
- MBX_RESTART &&
- phba->sysfs_mbox.mbox->mb.mbxCommand !=
- MBX_WRITE_VPARMS)) {
- sysfs_mbox_idle(phba);
- spin_unlock_irq(&phba->hbalock);
- return -EPERM;
- }
+ if (phba->pport->stopped &&
+ phba->sysfs_mbox.mbox->mb.mbxCommand != MBX_DUMP_MEMORY &&
+ phba->sysfs_mbox.mbox->mb.mbxCommand != MBX_RESTART &&
+ phba->sysfs_mbox.mbox->mb.mbxCommand != MBX_WRITE_VPARMS &&
+ phba->sysfs_mbox.mbox->mb.mbxCommand != MBX_WRITE_WWN)
+ lpfc_printf_log(phba, KERN_WARNING, LOG_MBOX,
+ "1259 mbox: Issued mailbox cmd "
+ "0x%x while in stopped state.\n",
+ phba->sysfs_mbox.mbox->mb.mbxCommand);
phba->sysfs_mbox.mbox->vport = vport;
/* Don't allow mailbox commands to be sent when blocked
* or when in the middle of discovery
*/
- if (phba->sli.sli_flag & LPFC_BLOCK_MGMT_IO ||
- vport->fc_flag & FC_NDISC_ACTIVE) {
+ if (phba->sli.sli_flag & LPFC_BLOCK_MGMT_IO) {
sysfs_mbox_idle(phba);
spin_unlock_irq(&phba->hbalock);
return -EAGAIN;
.write = sysfs_mbox_write,
};
+/**
+ * lpfc_alloc_sysfs_attr: Creates the ctlreg and mbox entries.
+ * @vport: address of lpfc vport structure.
+ *
+ * Return codes:
+ * zero on success
+ * error return code from sysfs_create_bin_file()
+ **/
int
lpfc_alloc_sysfs_attr(struct lpfc_vport *vport)
{
if (error)
goto out_remove_ctlreg_attr;
+ error = sysfs_create_bin_file(&shost->shost_dev.kobj,
+ &sysfs_drvr_stat_data_attr);
+ if (error)
+ goto out_remove_mbox_attr;
+
return 0;
+out_remove_mbox_attr:
+ sysfs_remove_bin_file(&shost->shost_dev.kobj, &sysfs_mbox_attr);
out_remove_ctlreg_attr:
sysfs_remove_bin_file(&shost->shost_dev.kobj, &sysfs_ctlreg_attr);
out:
return error;
}
+/**
+ * lpfc_free_sysfs_attr: Removes the ctlreg and mbox entries.
+ * @vport: address of lpfc vport structure.
+ **/
void
lpfc_free_sysfs_attr(struct lpfc_vport *vport)
{
struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
-
+ sysfs_remove_bin_file(&shost->shost_dev.kobj,
+ &sysfs_drvr_stat_data_attr);
sysfs_remove_bin_file(&shost->shost_dev.kobj, &sysfs_mbox_attr);
sysfs_remove_bin_file(&shost->shost_dev.kobj, &sysfs_ctlreg_attr);
}
* Dynamic FC Host Attributes Support
*/
+/**
+ * lpfc_get_host_port_id: Copy the vport DID into the scsi host port id.
+ * @shost: kernel scsi host pointer.
+ **/
static void
lpfc_get_host_port_id(struct Scsi_Host *shost)
{
fc_host_port_id(shost) = vport->fc_myDID;
}
+/**
+ * lpfc_get_host_port_type: Set the value of the scsi host port type.
+ * @shost: kernel scsi host pointer.
+ **/
static void
lpfc_get_host_port_type(struct Scsi_Host *shost)
{
spin_unlock_irq(shost->host_lock);
}
+/**
+ * lpfc_get_host_port_state: Set the value of the scsi host port state.
+ * @shost: kernel scsi host pointer.
+ **/
static void
lpfc_get_host_port_state(struct Scsi_Host *shost)
{
spin_unlock_irq(shost->host_lock);
}
+/**
+ * lpfc_get_host_speed: Set the value of the scsi host speed.
+ * @shost: kernel scsi host pointer.
+ **/
static void
lpfc_get_host_speed(struct Scsi_Host *shost)
{
spin_unlock_irq(shost->host_lock);
}
+/**
+ * lpfc_get_host_fabric_name: Set the value of the scsi host fabric name.
+ * @shost: kernel scsi host pointer.
+ **/
static void
lpfc_get_host_fabric_name (struct Scsi_Host *shost)
{
fc_host_fabric_name(shost) = node_name;
}
+/**
+ * lpfc_get_stats: Return statistical information about the adapter.
+ * @shost: kernel scsi host pointer.
+ *
+ * Notes:
+ * NULL on error for link down, no mbox pool, sli2 active,
+ * management not allowed, memory allocation error, or mbox error.
+ *
+ * Returns:
+ * NULL for error
+ * address of the adapter host statistics
+ **/
static struct fc_host_statistics *
lpfc_get_stats(struct Scsi_Host *shost)
{
return hs;
}
+/**
+ * lpfc_reset_stats: Copy the adapter link stats information.
+ * @shost: kernel scsi host pointer.
+ **/
static void
lpfc_reset_stats(struct Scsi_Host *shost)
{
* are no sysfs handlers for link_down_tmo.
*/
+/**
+ * lpfc_get_node_by_target: Return the nodelist for a target.
+ * @starget: kernel scsi target pointer.
+ *
+ * Returns:
+ * address of the node list if found
+ * NULL target not found
+ **/
static struct lpfc_nodelist *
lpfc_get_node_by_target(struct scsi_target *starget)
{
return NULL;
}
+/**
+ * lpfc_get_starget_port_id: Set the target port id to the ndlp DID or -1.
+ * @starget: kernel scsi target pointer.
+ **/
static void
lpfc_get_starget_port_id(struct scsi_target *starget)
{
fc_starget_port_id(starget) = ndlp ? ndlp->nlp_DID : -1;
}
+/**
+ * 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.
+ **/
static void
lpfc_get_starget_node_name(struct scsi_target *starget)
{
ndlp ? wwn_to_u64(ndlp->nlp_nodename.u.wwn) : 0;
}
+/**
+ * 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.
+ **/
static void
lpfc_get_starget_port_name(struct scsi_target *starget)
{
ndlp ? wwn_to_u64(ndlp->nlp_portname.u.wwn) : 0;
}
+/**
+ * lpfc_set_rport_loss_tmo: Set the rport dev loss tmo.
+ * @rport: fc rport address.
+ * @timeout: new value for dev loss tmo.
+ *
+ * Description:
+ * If timeout is non zero set the dev_loss_tmo to timeout, else set
+ * dev_loss_tmo to one.
+ **/
static void
lpfc_set_rport_loss_tmo(struct fc_rport *rport, uint32_t timeout)
{
rport->dev_loss_tmo = 1;
}
-
+/**
+ * lpfc_rport_show_function: Return rport target information.
+ *
+ * Description:
+ * Macro that uses field to generate a function with the name lpfc_show_rport_
+ *
+ * lpfc_show_rport_##field: returns the bytes formatted in buf
+ * @cdev: class converted to an fc_rport.
+ * @buf: on return contains the target_field or zero.
+ *
+ * Returns: size of formatted string.
+ **/
#define lpfc_rport_show_function(field, format_string, sz, cast) \
static ssize_t \
lpfc_show_rport_##field (struct device *dev, \
.vport_disable = lpfc_vport_disable,
};
+/**
+ * lpfc_get_cfgparam: Used during probe_one to init the adapter structure.
+ * @phba: lpfc_hba pointer.
+ **/
void
lpfc_get_cfgparam(struct lpfc_hba *phba)
{
return;
}
+/**
+ * lpfc_get_vport_cfgparam: Used during port create, init the vport structure.
+ * @vport: lpfc_vport pointer.
+ **/
void
lpfc_get_vport_cfgparam(struct lpfc_vport *vport)
{
lpfc_restrict_login_init(vport, lpfc_restrict_login);
lpfc_fcp_class_init(vport, lpfc_fcp_class);
lpfc_use_adisc_init(vport, lpfc_use_adisc);
+ lpfc_max_scsicmpl_time_init(vport, lpfc_max_scsicmpl_time);
lpfc_fdmi_on_init(vport, lpfc_fdmi_on);
lpfc_discovery_threads_init(vport, lpfc_discovery_threads);
lpfc_max_luns_init(vport, lpfc_max_luns);
projects / linux-2.6-omap-h63xx.git / blobdiff