/*******************************************************************
* This file is part of the Emulex Linux Device Driver for *
* Fibre Channel Host Bus Adapters. *
- * Copyright (C) 2004-2005 Emulex. All rights reserved. *
+ * Copyright (C) 2004-2009 Emulex. All rights reserved. *
* EMULEX and SLI are trademarks of Emulex. *
* www.emulex.com *
* Portions Copyright (C) 2004-2005 Christoph Hellwig *
*******************************************************************/
#include <linux/ctype.h>
+#include <linux/delay.h>
#include <linux/pci.h>
#include <linux/interrupt.h>
#include <scsi/scsi_tcq.h>
#include <scsi/scsi_transport_fc.h>
+#include "lpfc_hw4.h"
#include "lpfc_hw.h"
#include "lpfc_sli.h"
+#include "lpfc_sli4.h"
+#include "lpfc_nl.h"
#include "lpfc_disc.h"
#include "lpfc_scsi.h"
#include "lpfc.h"
#include "lpfc_version.h"
#include "lpfc_compat.h"
#include "lpfc_crtn.h"
-
-
+#include "lpfc_vport.h"
+
+#define LPFC_DEF_DEVLOSS_TMO 30
+#define LPFC_MIN_DEVLOSS_TMO 1
+#define LPFC_MAX_DEVLOSS_TMO 255
+
+#define LPFC_MAX_LINK_SPEED 8
+#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 class_device *cdev, char *buf)
+lpfc_drvr_version_show(struct device *dev, struct device_attribute *attr,
+ char *buf)
{
return snprintf(buf, PAGE_SIZE, LPFC_MODULE_DESC "\n");
}
static ssize_t
-management_version_show(struct class_device *cdev, char *buf)
+lpfc_bg_info_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;
+
+ if (phba->cfg_enable_bg)
+ if (phba->sli3_options & LPFC_SLI3_BG_ENABLED)
+ return snprintf(buf, PAGE_SIZE, "BlockGuard Enabled\n");
+ else
+ return snprintf(buf, PAGE_SIZE,
+ "BlockGuard Not Supported\n");
+ else
+ return snprintf(buf, PAGE_SIZE,
+ "BlockGuard Disabled\n");
+}
+
+static ssize_t
+lpfc_bg_guard_err_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, "%llu\n",
+ (unsigned long long)phba->bg_guard_err_cnt);
+}
+
+static ssize_t
+lpfc_bg_apptag_err_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, "%llu\n",
+ (unsigned long long)phba->bg_apptag_err_cnt);
+}
+
+static ssize_t
+lpfc_bg_reftag_err_show(struct device *dev, struct device_attribute *attr,
+ char *buf)
{
- return snprintf(buf, PAGE_SIZE, DFC_API_VERSION "\n");
+ 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, "%llu\n",
+ (unsigned long long)phba->bg_reftag_err_cnt);
}
+/**
+ * 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 class_device *cdev, char *buf)
+lpfc_info_show(struct device *dev, struct device_attribute *attr,
+ char *buf)
{
- struct Scsi_Host *host = class_to_shost(cdev);
+ struct Scsi_Host *host = class_to_shost(dev);
+
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 class_device *cdev, char *buf)
+lpfc_serialnum_show(struct device *dev, struct device_attribute *attr,
+ char *buf)
{
- struct Scsi_Host *host = class_to_shost(cdev);
- struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata[0];
+ 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, "%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)
+{
+ 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->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 class_device *cdev, char *buf)
+lpfc_modeldesc_show(struct device *dev, struct device_attribute *attr,
+ char *buf)
{
- struct Scsi_Host *host = class_to_shost(cdev);
- struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata[0];
+ 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, "%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 class_device *cdev, char *buf)
+lpfc_modelname_show(struct device *dev, struct device_attribute *attr,
+ char *buf)
{
- struct Scsi_Host *host = class_to_shost(cdev);
- struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata[0];
+ 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, "%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 class_device *cdev, char *buf)
+lpfc_programtype_show(struct device *dev, struct device_attribute *attr,
+ char *buf)
{
- struct Scsi_Host *host = class_to_shost(cdev);
- struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata[0];
+ 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, "%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_portnum_show(struct class_device *cdev, char *buf)
+lpfc_vportnum_show(struct device *dev, struct device_attribute *attr,
+ char *buf)
{
- struct Scsi_Host *host = class_to_shost(cdev);
- struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata[0];
+ 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, "%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 class_device *cdev, char *buf)
+lpfc_fwrev_show(struct device *dev, struct device_attribute *attr,
+ char *buf)
{
- struct Scsi_Host *host = class_to_shost(cdev);
- struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata[0];
+ struct Scsi_Host *shost = class_to_shost(dev);
+ struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
+ struct lpfc_hba *phba = vport->phba;
char fwrev[32];
+
lpfc_decode_firmware_rev(phba, fwrev, 1);
- return snprintf(buf, PAGE_SIZE, "%s\n",fwrev);
+ 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 class_device *cdev, char *buf)
+lpfc_hdw_show(struct device *dev, struct device_attribute *attr, char *buf)
{
char hdw[9];
- struct Scsi_Host *host = class_to_shost(cdev);
- struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata[0];
+ struct Scsi_Host *shost = class_to_shost(dev);
+ struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
+ struct lpfc_hba *phba = vport->phba;
lpfc_vpd_t *vp = &phba->vpd;
+
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 class_device *cdev, char *buf)
+lpfc_option_rom_version_show(struct device *dev, struct device_attribute *attr,
+ char *buf)
{
- struct Scsi_Host *host = class_to_shost(cdev);
- struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata[0];
+ 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, "%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_state_show(struct class_device *cdev, char *buf)
+lpfc_link_state_show(struct device *dev, struct device_attribute *attr,
+ char *buf)
{
- struct Scsi_Host *host = class_to_shost(cdev);
- struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata[0];
- int len = 0;
- switch (phba->hba_state) {
+ struct Scsi_Host *shost = class_to_shost(dev);
+ struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
+ struct lpfc_hba *phba = vport->phba;
+ int len = 0;
+
+ switch (phba->link_state) {
+ case LPFC_LINK_UNKNOWN:
+ case LPFC_WARM_START:
case LPFC_INIT_START:
case LPFC_INIT_MBX_CMDS:
case LPFC_LINK_DOWN:
- len += snprintf(buf + len, PAGE_SIZE-len, "Link Down\n");
+ case LPFC_HBA_ERROR:
+ if (phba->hba_flag & LINK_DISABLED)
+ len += snprintf(buf + len, PAGE_SIZE-len,
+ "Link Down - User disabled\n");
+ else
+ len += snprintf(buf + len, PAGE_SIZE-len,
+ "Link Down\n");
break;
case LPFC_LINK_UP:
- case LPFC_LOCAL_CFG_LINK:
- len += snprintf(buf + len, PAGE_SIZE-len, "Link Up\n");
- break;
- case LPFC_FLOGI:
- case LPFC_FABRIC_CFG_LINK:
- case LPFC_NS_REG:
- case LPFC_NS_QRY:
- case LPFC_BUILD_DISC_LIST:
- case LPFC_DISC_AUTH:
case LPFC_CLEAR_LA:
- len += snprintf(buf + len, PAGE_SIZE-len,
- "Link Up - Discovery\n");
- break;
case LPFC_HBA_READY:
- len += snprintf(buf + len, PAGE_SIZE-len,
- "Link Up - Ready:\n");
- if (phba->fc_topology == TOPOLOGY_LOOP) {
- if (phba->fc_flag & FC_PUBLIC_LOOP)
+ len += snprintf(buf + len, PAGE_SIZE-len, "Link Up - ");
+
+ switch (vport->port_state) {
+ case LPFC_LOCAL_CFG_LINK:
+ len += snprintf(buf + len, PAGE_SIZE-len,
+ "Configuring Link\n");
+ break;
+ case LPFC_FDISC:
+ case LPFC_FLOGI:
+ case LPFC_FABRIC_CFG_LINK:
+ case LPFC_NS_REG:
+ case LPFC_NS_QRY:
+ case LPFC_BUILD_DISC_LIST:
+ case LPFC_DISC_AUTH:
+ len += snprintf(buf + len, PAGE_SIZE - len,
+ "Discovery\n");
+ break;
+ case LPFC_VPORT_READY:
+ len += snprintf(buf + len, PAGE_SIZE - len, "Ready\n");
+ break;
+
+ case LPFC_VPORT_FAILED:
+ len += snprintf(buf + len, PAGE_SIZE - len, "Failed\n");
+ break;
+
+ case LPFC_VPORT_UNKNOWN:
+ len += snprintf(buf + len, PAGE_SIZE - len,
+ "Unknown\n");
+ break;
+ }
+ 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");
else
len += snprintf(buf + len, PAGE_SIZE-len,
" Private Loop\n");
} else {
- if (phba->fc_flag & FC_FABRIC)
+ if (vport->fc_flag & FC_FABRIC)
len += snprintf(buf + len, PAGE_SIZE-len,
" Fabric\n");
else
" Point-2-Point\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 class_device *cdev, char *buf)
+lpfc_num_discovered_ports_show(struct device *dev,
+ struct device_attribute *attr, char *buf)
{
- struct Scsi_Host *host = class_to_shost(cdev);
- struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata[0];
- return snprintf(buf, PAGE_SIZE, "%d\n", phba->fc_map_cnt +
- phba->fc_unmap_cnt);
-}
+ struct Scsi_Host *shost = class_to_shost(dev);
+ struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
+ return snprintf(buf, PAGE_SIZE, "%d\n",
+ 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 *host)
+lpfc_issue_lip(struct Scsi_Host *shost)
{
- struct lpfc_hba *phba = (struct lpfc_hba *) host->hostdata[0];
+ struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
+ struct lpfc_hba *phba = vport->phba;
LPFC_MBOXQ_t *pmboxq;
int mbxstatus = MBXERR_ERROR;
- if ((phba->fc_flag & FC_OFFLINE_MODE) ||
- (phba->hba_state != LPFC_HBA_READY))
+ if ((vport->fc_flag & FC_OFFLINE_MODE) ||
+ (phba->sli.sli_flag & LPFC_BLOCK_MGMT_IO))
return -EPERM;
pmboxq = mempool_alloc(phba->mbox_mem_pool,GFP_KERNEL);
return -ENOMEM;
memset((void *)pmboxq, 0, sizeof (LPFC_MBOXQ_t));
- lpfc_init_link(phba, pmboxq, phba->cfg_topology, phba->cfg_link_speed);
- mbxstatus = lpfc_sli_issue_mbox_wait(phba, pmboxq, phba->fc_ratov * 2);
+ pmboxq->u.mb.mbxCommand = MBX_DOWN_LINK;
+ pmboxq->u.mb.mbxOwner = OWN_HOST;
+
+ mbxstatus = lpfc_sli_issue_mbox_wait(phba, pmboxq, LPFC_MBOX_TMO * 2);
+
+ if ((mbxstatus == MBX_SUCCESS) &&
+ (pmboxq->u.mb.mbxStatus == 0 ||
+ pmboxq->u.mb.mbxStatus == MBXERR_LINK_DOWN)) {
+ memset((void *)pmboxq, 0, sizeof (LPFC_MBOXQ_t));
+ lpfc_init_link(phba, pmboxq, phba->cfg_topology,
+ phba->cfg_link_speed);
+ mbxstatus = lpfc_sli_issue_mbox_wait(phba, pmboxq,
+ phba->fc_ratov * 2);
+ }
- if (mbxstatus == MBX_TIMEOUT)
- pmboxq->mbox_cmpl = lpfc_sli_def_mbox_cmpl;
- else
+ lpfc_set_loopback_flag(phba);
+ if (mbxstatus != MBX_TIMEOUT)
mempool_free(pmboxq, phba->mbox_mem_pool);
if (mbxstatus == MBXERR_ERROR)
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 code if call fails.
+ *
+ * Returns:
+ * -EIO error posting the event
+ * zero for success
+ **/
+static int
+lpfc_do_offline(struct lpfc_hba *phba, uint32_t type)
+{
+ struct completion online_compl;
+ struct lpfc_sli_ring *pring;
+ struct lpfc_sli *psli;
+ int status = 0;
+ int cnt = 0;
+ int i;
+
+ init_completion(&online_compl);
+ lpfc_workq_post_event(phba, &status, &online_compl,
+ LPFC_EVT_OFFLINE_PREP);
+ wait_for_completion(&online_compl);
+
+ if (status != 0)
+ return -EIO;
+
+ psli = &phba->sli;
+
+ /* Wait a little for things to settle down, but not
+ * long enough for dev loss timeout to expire.
+ */
+ for (i = 0; i < psli->num_rings; i++) {
+ pring = &psli->ring[i];
+ while (pring->txcmplq_cnt) {
+ msleep(10);
+ if (cnt++ > 500) { /* 5 secs */
+ lpfc_printf_log(phba,
+ KERN_WARNING, LOG_INIT,
+ "0466 Outstanding IO when "
+ "bringing Adapter offline\n");
+ break;
+ }
+ }
+ }
+
+ init_completion(&online_compl);
+ lpfc_workq_post_event(phba, &status, &online_compl, type);
+ wait_for_completion(&online_compl);
+
+ if (status != 0)
+ return -EIO;
+
+ 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)
+{
+ struct completion online_compl;
+ int status = 0;
+
+ if (!phba->cfg_enable_hba_reset)
+ return -EIO;
+
+ status = lpfc_do_offline(phba, LPFC_EVT_OFFLINE);
+
+ if (status != 0)
+ return status;
+
+ init_completion(&online_compl);
+ lpfc_workq_post_event(phba, &status, &online_compl,
+ LPFC_EVT_ONLINE);
+ wait_for_completion(&online_compl);
+
+ if (status != 0)
+ return -EIO;
+
+ 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 success
+ *
+ * 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_nport_evt_cnt_show(struct class_device *cdev, char *buf)
+lpfc_issue_reset(struct device *dev, struct device_attribute *attr,
+ const char *buf, size_t count)
{
- struct Scsi_Host *host = class_to_shost(cdev);
- struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata[0];
- return snprintf(buf, PAGE_SIZE, "%d\n", phba->nport_event_cnt);
+ struct Scsi_Host *shost = class_to_shost(dev);
+ struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
+ struct lpfc_hba *phba = vport->phba;
+
+ int status = -EINVAL;
+
+ if (strncmp(buf, "selective", sizeof("selective") - 1) == 0)
+ status = lpfc_selective_reset(phba);
+
+ if (status == 0)
+ return strlen(buf);
+ else
+ 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_board_online_show(struct class_device *cdev, char *buf)
+lpfc_nport_evt_cnt_show(struct device *dev, struct device_attribute *attr,
+ char *buf)
{
- struct Scsi_Host *host = class_to_shost(cdev);
- struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata[0];
+ 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->nport_event_cnt);
+}
- if (phba->fc_flag & FC_OFFLINE_MODE)
- return snprintf(buf, PAGE_SIZE, "0\n");
+/**
+ * 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)
+{
+ struct Scsi_Host *shost = class_to_shost(dev);
+ struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
+ struct lpfc_hba *phba = vport->phba;
+ char * state;
+
+ if (phba->link_state == LPFC_HBA_ERROR)
+ state = "error";
+ else if (phba->link_state == LPFC_WARM_START)
+ state = "warm start";
+ else if (phba->link_state == LPFC_INIT_START)
+ state = "offline";
else
- return snprintf(buf, PAGE_SIZE, "1\n");
+ state = "online";
+
+ 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_online_store(struct class_device *cdev, const char *buf,
- size_t count)
+lpfc_board_mode_store(struct device *dev, struct device_attribute *attr,
+ const char *buf, size_t count)
{
- struct Scsi_Host *host = class_to_shost(cdev);
- struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata[0];
+ struct Scsi_Host *shost = class_to_shost(dev);
+ struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
+ struct lpfc_hba *phba = vport->phba;
struct completion online_compl;
- int val=0, status=0;
-
- if (sscanf(buf, "%d", &val) != 1)
- return -EINVAL;
+ int status=0;
+ if (!phba->cfg_enable_hba_reset)
+ return -EACCES;
init_completion(&online_compl);
- if (val)
+ if(strncmp(buf, "online", sizeof("online") - 1) == 0) {
lpfc_workq_post_event(phba, &status, &online_compl,
- LPFC_EVT_ONLINE);
+ LPFC_EVT_ONLINE);
+ wait_for_completion(&online_compl);
+ } else if (strncmp(buf, "offline", sizeof("offline") - 1) == 0)
+ status = lpfc_do_offline(phba, LPFC_EVT_OFFLINE);
+ else if (strncmp(buf, "warm", sizeof("warm") - 1) == 0)
+ status = lpfc_do_offline(phba, LPFC_EVT_WARM_START);
+ else if (strncmp(buf, "error", sizeof("error") - 1) == 0)
+ status = lpfc_do_offline(phba, LPFC_EVT_KILL);
else
- lpfc_workq_post_event(phba, &status, &online_compl,
- LPFC_EVT_OFFLINE);
- wait_for_completion(&online_compl);
+ return -EINVAL;
+
if (!status)
return strlen(buf);
else
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,
+ uint32_t *mrpi, uint32_t *arpi,
+ uint32_t *mvpi, uint32_t *avpi)
+{
+ struct lpfc_sli *psli = &phba->sli;
+ struct lpfc_mbx_read_config *rd_config;
+ LPFC_MBOXQ_t *pmboxq;
+ MAILBOX_t *pmb;
+ int rc = 0;
+
+ /*
+ * prevent udev from issuing mailbox commands until the port is
+ * configured.
+ */
+ if (phba->link_state < LPFC_LINK_DOWN ||
+ !phba->mbox_mem_pool ||
+ (phba->sli.sli_flag & LPFC_SLI_ACTIVE) == 0)
+ return 0;
+
+ if (phba->sli.sli_flag & LPFC_BLOCK_MGMT_IO)
+ return 0;
+
+ pmboxq = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
+ if (!pmboxq)
+ return 0;
+ memset(pmboxq, 0, sizeof (LPFC_MBOXQ_t));
+
+ pmb = &pmboxq->u.mb;
+ pmb->mbxCommand = MBX_READ_CONFIG;
+ pmb->mbxOwner = OWN_HOST;
+ pmboxq->context1 = NULL;
+
+ if ((phba->pport->fc_flag & FC_OFFLINE_MODE) ||
+ (!(psli->sli_flag & LPFC_SLI_ACTIVE)))
+ rc = MBX_NOT_FINISHED;
+ else
+ rc = lpfc_sli_issue_mbox_wait(phba, pmboxq, phba->fc_ratov * 2);
+
+ if (rc != MBX_SUCCESS) {
+ if (rc != MBX_TIMEOUT)
+ mempool_free(pmboxq, phba->mbox_mem_pool);
+ return 0;
+ }
+
+ if (phba->sli_rev == LPFC_SLI_REV4) {
+ rd_config = &pmboxq->u.mqe.un.rd_config;
+ if (mrpi)
+ *mrpi = bf_get(lpfc_mbx_rd_conf_rpi_count, rd_config);
+ if (arpi)
+ *arpi = bf_get(lpfc_mbx_rd_conf_rpi_count, rd_config) -
+ phba->sli4_hba.max_cfg_param.rpi_used;
+ if (mxri)
+ *mxri = bf_get(lpfc_mbx_rd_conf_xri_count, rd_config);
+ if (axri)
+ *axri = bf_get(lpfc_mbx_rd_conf_xri_count, rd_config) -
+ phba->sli4_hba.max_cfg_param.xri_used;
+ if (mvpi)
+ *mvpi = bf_get(lpfc_mbx_rd_conf_vpi_count, rd_config);
+ if (avpi)
+ *avpi = bf_get(lpfc_mbx_rd_conf_vpi_count, rd_config) -
+ phba->sli4_hba.max_cfg_param.vpi_used;
+ } else {
+ if (mrpi)
+ *mrpi = pmb->un.varRdConfig.max_rpi;
+ if (arpi)
+ *arpi = pmb->un.varRdConfig.avail_rpi;
+ if (mxri)
+ *mxri = pmb->un.varRdConfig.max_xri;
+ if (axri)
+ *axri = pmb->un.varRdConfig.avail_xri;
+ if (mvpi)
+ *mvpi = pmb->un.varRdConfig.max_vpi;
+ if (avpi)
+ *avpi = pmb->un.varRdConfig.avail_vpi;
+ }
+
+ mempool_free(pmboxq, phba->mbox_mem_pool);
+ 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)
+{
+ struct Scsi_Host *shost = class_to_shost(dev);
+ struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
+ struct lpfc_hba *phba = vport->phba;
+ uint32_t cnt;
+
+ if (lpfc_get_hba_info(phba, NULL, NULL, &cnt, NULL, NULL, NULL))
+ return snprintf(buf, PAGE_SIZE, "%d\n", cnt);
+ 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)
+{
+ struct Scsi_Host *shost = class_to_shost(dev);
+ struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
+ struct lpfc_hba *phba = vport->phba;
+ uint32_t cnt, acnt;
+
+ if (lpfc_get_hba_info(phba, NULL, NULL, &cnt, &acnt, NULL, NULL))
+ return snprintf(buf, PAGE_SIZE, "%d\n", (cnt - acnt));
+ 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)
+{
+ struct Scsi_Host *shost = class_to_shost(dev);
+ struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
+ struct lpfc_hba *phba = vport->phba;
+ uint32_t cnt;
+
+ if (lpfc_get_hba_info(phba, &cnt, NULL, NULL, NULL, NULL, NULL))
+ return snprintf(buf, PAGE_SIZE, "%d\n", cnt);
+ 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)
+{
+ struct Scsi_Host *shost = class_to_shost(dev);
+ struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
+ struct lpfc_hba *phba = vport->phba;
+ uint32_t cnt, acnt;
+
+ if (lpfc_get_hba_info(phba, &cnt, &acnt, NULL, NULL, NULL, NULL))
+ return snprintf(buf, PAGE_SIZE, "%d\n", (cnt - acnt));
+ 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)
+{
+ struct Scsi_Host *shost = class_to_shost(dev);
+ struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
+ struct lpfc_hba *phba = vport->phba;
+ uint32_t cnt;
+
+ if (lpfc_get_hba_info(phba, NULL, NULL, NULL, NULL, &cnt, NULL))
+ return snprintf(buf, PAGE_SIZE, "%d\n", cnt);
+ 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)
+{
+ struct Scsi_Host *shost = class_to_shost(dev);
+ struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
+ struct lpfc_hba *phba = vport->phba;
+ uint32_t cnt, acnt;
+
+ if (lpfc_get_hba_info(phba, NULL, NULL, NULL, NULL, &cnt, &acnt))
+ return snprintf(buf, PAGE_SIZE, "%d\n", (cnt - acnt));
+ 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)
+{
+ struct Scsi_Host *shost = class_to_shost(dev);
+ struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
+ struct lpfc_hba *phba = vport->phba;
+
+ if (!(phba->max_vpi))
+ return snprintf(buf, PAGE_SIZE, "NPIV Not Supported\n");
+ if (vport->port_type == LPFC_PHYSICAL_PORT)
+ return snprintf(buf, PAGE_SIZE, "NPIV Physical\n");
+ 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)
+{
+ 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, "%#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)
+{
+ struct Scsi_Host *shost = class_to_shost(dev);
+ struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
+ struct lpfc_hba *phba = vport->phba;
+ uint32_t creg_val;
+ uint32_t old_val;
+ int val=0;
+
+ if (!isdigit(buf[0]))
+ return -EINVAL;
+
+ if (sscanf(buf, "%i", &val) != 1)
+ return -EINVAL;
+
+ if ((val & 0x3) != val)
+ return -EINVAL;
+
+ spin_lock_irq(&phba->hbalock);
+
+ old_val = phba->cfg_poll;
+
+ if (val & ENABLE_FCP_RING_POLLING) {
+ if ((val & DISABLE_FCP_RING_INT) &&
+ !(old_val & DISABLE_FCP_RING_INT)) {
+ creg_val = readl(phba->HCregaddr);
+ creg_val &= ~(HC_R0INT_ENA << LPFC_FCP_RING);
+ writel(creg_val, phba->HCregaddr);
+ readl(phba->HCregaddr); /* flush */
+
+ lpfc_poll_start_timer(phba);
+ }
+ } else if (val != 0x0) {
+ spin_unlock_irq(&phba->hbalock);
+ return -EINVAL;
+ }
+
+ if (!(val & DISABLE_FCP_RING_INT) &&
+ (old_val & DISABLE_FCP_RING_INT))
+ {
+ spin_unlock_irq(&phba->hbalock);
+ del_timer(&phba->fcp_poll_timer);
+ spin_lock_irq(&phba->hbalock);
+ creg_val = readl(phba->HCregaddr);
+ creg_val |= (HC_R0INT_ENA << LPFC_FCP_RING);
+ writel(creg_val, phba->HCregaddr);
+ readl(phba->HCregaddr); /* flush */
+ }
+
+ phba->cfg_poll = val;
+
+ spin_unlock_irq(&phba->hbalock);
+
+ 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 class_device *cdev, char *buf) \
+lpfc_##attr##_show(struct device *dev, struct device_attribute *attr, \
+ char *buf) \
{ \
- struct Scsi_Host *host = class_to_shost(cdev);\
- struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata[0];\
+ 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;\
val = phba->cfg_##attr;\
return snprintf(buf, PAGE_SIZE, "%d\n",\
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 hexadecimal.
+ *
+ * Returns: size of formatted string.
+ **/
+#define lpfc_param_hex_show(attr) \
+static ssize_t \
+lpfc_##attr##_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 val = 0;\
+ val = phba->cfg_##attr;\
+ return snprintf(buf, PAGE_SIZE, "%#x\n",\
+ 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 0;\
}\
lpfc_printf_log(phba, KERN_ERR, LOG_INIT, \
- "%d:0449 lpfc_"#attr" attribute cannot be set to %d, "\
- "allowed range is ["#minval", "#maxval"]\n", \
- phba->brd_no, val); \
+ "0449 lpfc_"#attr" attribute cannot be set to %d, "\
+ "allowed range is ["#minval", "#maxval"]\n", val); \
phba->cfg_##attr = default;\
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 0;\
}\
lpfc_printf_log(phba, KERN_ERR, LOG_INIT, \
- "%d:0450 lpfc_"#attr" attribute cannot be set to %d, "\
- "allowed range is ["#minval", "#maxval"]\n", \
- phba->brd_no, val); \
+ "0450 lpfc_"#attr" attribute cannot be set to %d, "\
+ "allowed range is ["#minval", "#maxval"]\n", 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 class_device *cdev, const char *buf, size_t count) \
+lpfc_##attr##_store(struct device *dev, struct device_attribute *attr, \
+ const char *buf, size_t count) \
{ \
- struct Scsi_Host *host = class_to_shost(cdev);\
- struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata[0];\
+ 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;\
- if (sscanf(buf, "%d", &val) != 1)\
- return -EPERM;\
+ if (!isdigit(buf[0]))\
+ return -EINVAL;\
+ if (sscanf(buf, "%i", &val) != 1)\
+ return -EINVAL;\
if (lpfc_##attr##_set(phba, val) == 0) \
return strlen(buf);\
else \
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, \
+ char *buf) \
+{ \
+ struct Scsi_Host *shost = class_to_shost(dev);\
+ struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;\
+ int val = 0;\
+ val = vport->cfg_##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 hexadecimal.
+ * @dev: class device that is converted into a Scsi_host.
+ * @attr: device attribute, not used.
+ * @buf: on return contains the attribute value in hexadecimal.
+ *
+ * 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, \
+ char *buf) \
+{ \
+ struct Scsi_Host *shost = class_to_shost(dev);\
+ struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;\
+ int val = 0;\
+ val = vport->cfg_##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) \
+{ \
+ if (val >= minval && val <= maxval) {\
+ vport->cfg_##attr = val;\
+ return 0;\
+ }\
+ lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT, \
+ "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) \
+{ \
+ if (val >= minval && val <= maxval) {\
+ vport->cfg_##attr = val;\
+ return 0;\
+ }\
+ lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT, \
+ "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, \
+ const char *buf, size_t count) \
+{ \
+ struct Scsi_Host *shost = class_to_shost(dev);\
+ struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;\
+ int val=0;\
+ if (!isdigit(buf[0]))\
+ return -EINVAL;\
+ if (sscanf(buf, "%i", &val) != 1)\
+ return -EINVAL;\
+ if (lpfc_##attr##_set(vport, val) == 0) \
+ return strlen(buf);\
+ else \
+ return -EINVAL;\
+}
+
+
#define LPFC_ATTR(name, defval, minval, maxval, desc) \
static int lpfc_##name = defval;\
module_param(lpfc_##name, int, 0);\
MODULE_PARM_DESC(lpfc_##name, desc);\
lpfc_param_show(name)\
lpfc_param_init(name, defval, minval, maxval)\
-static CLASS_DEVICE_ATTR(lpfc_##name, S_IRUGO , lpfc_##name##_show, NULL)
+static DEVICE_ATTR(lpfc_##name, S_IRUGO , lpfc_##name##_show, NULL)
#define LPFC_ATTR_RW(name, defval, minval, maxval, desc) \
static int lpfc_##name = defval;\
lpfc_param_init(name, defval, minval, maxval)\
lpfc_param_set(name, defval, minval, maxval)\
lpfc_param_store(name)\
-static CLASS_DEVICE_ATTR(lpfc_##name, S_IRUGO | S_IWUSR,\
- lpfc_##name##_show, lpfc_##name##_store)
-
-static CLASS_DEVICE_ATTR(info, S_IRUGO, lpfc_info_show, NULL);
-static CLASS_DEVICE_ATTR(serialnum, S_IRUGO, lpfc_serialnum_show, NULL);
-static CLASS_DEVICE_ATTR(modeldesc, S_IRUGO, lpfc_modeldesc_show, NULL);
-static CLASS_DEVICE_ATTR(modelname, S_IRUGO, lpfc_modelname_show, NULL);
-static CLASS_DEVICE_ATTR(programtype, S_IRUGO, lpfc_programtype_show, NULL);
-static CLASS_DEVICE_ATTR(portnum, S_IRUGO, lpfc_portnum_show, NULL);
-static CLASS_DEVICE_ATTR(fwrev, S_IRUGO, lpfc_fwrev_show, NULL);
-static CLASS_DEVICE_ATTR(hdw, S_IRUGO, lpfc_hdw_show, NULL);
-static CLASS_DEVICE_ATTR(state, S_IRUGO, lpfc_state_show, NULL);
-static CLASS_DEVICE_ATTR(option_rom_version, S_IRUGO,
- lpfc_option_rom_version_show, NULL);
-static CLASS_DEVICE_ATTR(num_discovered_ports, S_IRUGO,
- lpfc_num_discovered_ports_show, NULL);
-static CLASS_DEVICE_ATTR(nport_evt_cnt, S_IRUGO, lpfc_nport_evt_cnt_show, NULL);
-static CLASS_DEVICE_ATTR(lpfc_drvr_version, S_IRUGO, lpfc_drvr_version_show,
- NULL);
-static CLASS_DEVICE_ATTR(management_version, S_IRUGO, management_version_show,
- NULL);
-static CLASS_DEVICE_ATTR(board_online, S_IRUGO | S_IWUSR,
- lpfc_board_online_show, lpfc_board_online_store);
-
+static DEVICE_ATTR(lpfc_##name, S_IRUGO | S_IWUSR,\
+ lpfc_##name##_show, lpfc_##name##_store)
+
+#define LPFC_ATTR_HEX_R(name, defval, minval, maxval, desc) \
+static int lpfc_##name = defval;\
+module_param(lpfc_##name, int, 0);\
+MODULE_PARM_DESC(lpfc_##name, desc);\
+lpfc_param_hex_show(name)\
+lpfc_param_init(name, defval, minval, maxval)\
+static DEVICE_ATTR(lpfc_##name, S_IRUGO , lpfc_##name##_show, NULL)
+
+#define LPFC_ATTR_HEX_RW(name, defval, minval, maxval, desc) \
+static int lpfc_##name = defval;\
+module_param(lpfc_##name, int, 0);\
+MODULE_PARM_DESC(lpfc_##name, desc);\
+lpfc_param_hex_show(name)\
+lpfc_param_init(name, defval, minval, maxval)\
+lpfc_param_set(name, defval, minval, maxval)\
+lpfc_param_store(name)\
+static DEVICE_ATTR(lpfc_##name, S_IRUGO | S_IWUSR,\
+ lpfc_##name##_show, lpfc_##name##_store)
+
+#define LPFC_VPORT_ATTR(name, defval, minval, maxval, desc) \
+static int lpfc_##name = defval;\
+module_param(lpfc_##name, int, 0);\
+MODULE_PARM_DESC(lpfc_##name, desc);\
+lpfc_vport_param_init(name, defval, minval, maxval)
+
+#define LPFC_VPORT_ATTR_R(name, defval, minval, maxval, desc) \
+static int lpfc_##name = defval;\
+module_param(lpfc_##name, int, 0);\
+MODULE_PARM_DESC(lpfc_##name, desc);\
+lpfc_vport_param_show(name)\
+lpfc_vport_param_init(name, defval, minval, maxval)\
+static DEVICE_ATTR(lpfc_##name, S_IRUGO , lpfc_##name##_show, NULL)
+
+#define LPFC_VPORT_ATTR_RW(name, defval, minval, maxval, desc) \
+static int lpfc_##name = defval;\
+module_param(lpfc_##name, int, 0);\
+MODULE_PARM_DESC(lpfc_##name, desc);\
+lpfc_vport_param_show(name)\
+lpfc_vport_param_init(name, defval, minval, maxval)\
+lpfc_vport_param_set(name, defval, minval, maxval)\
+lpfc_vport_param_store(name)\
+static DEVICE_ATTR(lpfc_##name, S_IRUGO | S_IWUSR,\
+ lpfc_##name##_show, lpfc_##name##_store)
+
+#define LPFC_VPORT_ATTR_HEX_R(name, defval, minval, maxval, desc) \
+static int lpfc_##name = defval;\
+module_param(lpfc_##name, int, 0);\
+MODULE_PARM_DESC(lpfc_##name, desc);\
+lpfc_vport_param_hex_show(name)\
+lpfc_vport_param_init(name, defval, minval, maxval)\
+static DEVICE_ATTR(lpfc_##name, S_IRUGO , lpfc_##name##_show, NULL)
+
+#define LPFC_VPORT_ATTR_HEX_RW(name, defval, minval, maxval, desc) \
+static int lpfc_##name = defval;\
+module_param(lpfc_##name, int, 0);\
+MODULE_PARM_DESC(lpfc_##name, desc);\
+lpfc_vport_param_hex_show(name)\
+lpfc_vport_param_init(name, defval, minval, maxval)\
+lpfc_vport_param_set(name, defval, minval, maxval)\
+lpfc_vport_param_store(name)\
+static DEVICE_ATTR(lpfc_##name, S_IRUGO | S_IWUSR,\
+ lpfc_##name##_show, lpfc_##name##_store)
+
+static DEVICE_ATTR(bg_info, S_IRUGO, lpfc_bg_info_show, NULL);
+static DEVICE_ATTR(bg_guard_err, S_IRUGO, lpfc_bg_guard_err_show, NULL);
+static DEVICE_ATTR(bg_apptag_err, S_IRUGO, lpfc_bg_apptag_err_show, NULL);
+static DEVICE_ATTR(bg_reftag_err, S_IRUGO, lpfc_bg_reftag_err_show, NULL);
+static DEVICE_ATTR(info, S_IRUGO, lpfc_info_show, NULL);
+static DEVICE_ATTR(serialnum, S_IRUGO, lpfc_serialnum_show, NULL);
+static DEVICE_ATTR(modeldesc, S_IRUGO, lpfc_modeldesc_show, NULL);
+static DEVICE_ATTR(modelname, S_IRUGO, lpfc_modelname_show, NULL);
+static DEVICE_ATTR(programtype, S_IRUGO, lpfc_programtype_show, NULL);
+static DEVICE_ATTR(portnum, S_IRUGO, lpfc_vportnum_show, NULL);
+static DEVICE_ATTR(fwrev, S_IRUGO, lpfc_fwrev_show, NULL);
+static DEVICE_ATTR(hdw, S_IRUGO, lpfc_hdw_show, NULL);
+static DEVICE_ATTR(link_state, S_IRUGO, lpfc_link_state_show, NULL);
+static DEVICE_ATTR(option_rom_version, S_IRUGO,
+ 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,
+ lpfc_board_mode_show, lpfc_board_mode_store);
+static DEVICE_ATTR(issue_reset, S_IWUSR, NULL, lpfc_issue_reset);
+static DEVICE_ATTR(max_vpi, S_IRUGO, lpfc_max_vpi_show, NULL);
+static DEVICE_ATTR(used_vpi, S_IRUGO, lpfc_used_vpi_show, NULL);
+static DEVICE_ATTR(max_rpi, S_IRUGO, lpfc_max_rpi_show, NULL);
+static DEVICE_ATTR(used_rpi, S_IRUGO, lpfc_used_rpi_show, NULL);
+static DEVICE_ATTR(max_xri, S_IRUGO, lpfc_max_xri_show, NULL);
+static DEVICE_ATTR(used_xri, S_IRUGO, lpfc_used_xri_show, NULL);
+static DEVICE_ATTR(npiv_info, S_IRUGO, lpfc_npiv_info_show, NULL);
+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
+ * @dev: class device that is converted into a Scsi_host.
+ * @attr: device attribute, not used.
+ * @buf: containing the string lpfc_soft_wwn_key.
+ * @count: must be size of lpfc_soft_wwn_key.
+ *
+ * Returns:
+ * -EINVAL if the buffer does not contain lpfc_soft_wwn_key
+ * length of buf indicates success
+ **/
+static ssize_t
+lpfc_soft_wwn_enable_store(struct device *dev, struct device_attribute *attr,
+ const char *buf, size_t count)
+{
+ struct Scsi_Host *shost = class_to_shost(dev);
+ struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
+ struct lpfc_hba *phba = vport->phba;
+ unsigned int cnt = count;
+
+ /*
+ * We're doing a simple sanity check for soft_wwpn setting.
+ * We require that the user write a specific key to enable
+ * the soft_wwpn attribute to be settable. Once the attribute
+ * is written, the enable key resets. If further updates are
+ * desired, the key must be written again to re-enable the
+ * attribute.
+ *
+ * The "key" is not secret - it is a hardcoded string shown
+ * here. The intent is to protect against the random user or
+ * application that is just writing attributes.
+ */
+
+ /* count may include a LF at end of string */
+ if (buf[cnt-1] == '\n')
+ cnt--;
+
+ if ((cnt != strlen(lpfc_soft_wwn_key)) ||
+ (strncmp(buf, lpfc_soft_wwn_key, strlen(lpfc_soft_wwn_key)) != 0))
+ return -EINVAL;
+
+ phba->soft_wwn_enable = 1;
+ return 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 hexadecimal.
+ *
+ * Returns: size of formatted string.
+ **/
+static ssize_t
+lpfc_soft_wwpn_show(struct device *dev, struct device_attribute *attr,
+ char *buf)
+{
+ struct Scsi_Host *shost = class_to_shost(dev);
+ struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
+ struct lpfc_hba *phba = vport->phba;
+
+ return snprintf(buf, PAGE_SIZE, "0x%llx\n",
+ (unsigned long long)phba->cfg_soft_wwpn);
+}
+
+/**
+ * lpfc_soft_wwpn_store - Set the ww port name of the adapter
+ * @dev class device that is converted into a Scsi_host.
+ * @attr: device attribute, not used.
+ * @buf: contains the wwpn in hexadecimal.
+ * @count: number of wwpn bytes in buf
+ *
+ * Returns:
+ * -EACCES hba reset not enabled, adapter over temp
+ * -EINVAL soft wwn not enabled, count is invalid, invalid wwpn byte invalid
+ * -EIO error taking adapter offline or online
+ * value of count on success
+ **/
+static ssize_t
+lpfc_soft_wwpn_store(struct device *dev, struct device_attribute *attr,
+ const char *buf, size_t count)
+{
+ struct Scsi_Host *shost = class_to_shost(dev);
+ struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
+ struct lpfc_hba *phba = vport->phba;
+ struct completion online_compl;
+ int stat1=0, stat2=0;
+ unsigned int i, j, cnt=count;
+ u8 wwpn[8];
+
+ if (!phba->cfg_enable_hba_reset)
+ return -EACCES;
+ spin_lock_irq(&phba->hbalock);
+ if (phba->over_temp_state == HBA_OVER_TEMP) {
+ spin_unlock_irq(&phba->hbalock);
+ return -EACCES;
+ }
+ spin_unlock_irq(&phba->hbalock);
+ /* count may include a LF at end of string */
+ if (buf[cnt-1] == '\n')
+ cnt--;
+
+ if (!phba->soft_wwn_enable || (cnt < 16) || (cnt > 18) ||
+ ((cnt == 17) && (*buf++ != 'x')) ||
+ ((cnt == 18) && ((*buf++ != '0') || (*buf++ != 'x'))))
+ return -EINVAL;
+
+ phba->soft_wwn_enable = 0;
+
+ memset(wwpn, 0, sizeof(wwpn));
+
+ /* Validate and store the new name */
+ for (i=0, j=0; i < 16; i++) {
+ if ((*buf >= 'a') && (*buf <= 'f'))
+ j = ((j << 4) | ((*buf++ -'a') + 10));
+ else if ((*buf >= 'A') && (*buf <= 'F'))
+ j = ((j << 4) | ((*buf++ -'A') + 10));
+ else if ((*buf >= '0') && (*buf <= '9'))
+ j = ((j << 4) | (*buf++ -'0'));
+ else
+ return -EINVAL;
+ if (i % 2) {
+ wwpn[i/2] = j & 0xff;
+ j = 0;
+ }
+ }
+ phba->cfg_soft_wwpn = wwn_to_u64(wwpn);
+ fc_host_port_name(shost) = phba->cfg_soft_wwpn;
+ if (phba->cfg_soft_wwnn)
+ fc_host_node_name(shost) = phba->cfg_soft_wwnn;
+
+ dev_printk(KERN_NOTICE, &phba->pcidev->dev,
+ "lpfc%d: Reinitializing to use soft_wwpn\n", phba->brd_no);
+
+ stat1 = lpfc_do_offline(phba, LPFC_EVT_OFFLINE);
+ if (stat1)
+ lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
+ "0463 lpfc_soft_wwpn attribute set failed to "
+ "reinit adapter - %d\n", stat1);
+ init_completion(&online_compl);
+ lpfc_workq_post_event(phba, &stat2, &online_compl, LPFC_EVT_ONLINE);
+ wait_for_completion(&online_compl);
+ if (stat2)
+ lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
+ "0464 lpfc_soft_wwpn attribute set failed to "
+ "reinit adapter - %d\n", stat2);
+ return (stat1 || stat2) ? -EIO : count;
+}
+static DEVICE_ATTR(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 hexadecimal.
+ *
+ * Returns: size of formatted string.
+ **/
+static ssize_t
+lpfc_soft_wwnn_show(struct device *dev, struct device_attribute *attr,
+ char *buf)
+{
+ struct Scsi_Host *shost = class_to_shost(dev);
+ struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba;
+ return snprintf(buf, PAGE_SIZE, "0x%llx\n",
+ (unsigned long long)phba->cfg_soft_wwnn);
+}
+
+/**
+ * lpfc_soft_wwnn_store - sets the ww node name of the adapter
+ * @cdev: class device that is converted into a Scsi_host.
+ * @buf: contains the ww node name in hexadecimal.
+ * @count: number of wwnn bytes in buf.
+ *
+ * Returns:
+ * -EINVAL soft wwn not enabled, count is invalid, invalid wwnn byte invalid
+ * value of count on success
+ **/
+static ssize_t
+lpfc_soft_wwnn_store(struct device *dev, struct device_attribute *attr,
+ const char *buf, size_t count)
+{
+ struct Scsi_Host *shost = class_to_shost(dev);
+ struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba;
+ unsigned int i, j, cnt=count;
+ u8 wwnn[8];
+
+ /* count may include a LF at end of string */
+ if (buf[cnt-1] == '\n')
+ cnt--;
+
+ if (!phba->soft_wwn_enable || (cnt < 16) || (cnt > 18) ||
+ ((cnt == 17) && (*buf++ != 'x')) ||
+ ((cnt == 18) && ((*buf++ != '0') || (*buf++ != 'x'))))
+ return -EINVAL;
+
+ /*
+ * Allow wwnn to be set many times, as long as the enable is set.
+ * However, once the wwpn is set, everything locks.
+ */
+
+ memset(wwnn, 0, sizeof(wwnn));
+
+ /* Validate and store the new name */
+ for (i=0, j=0; i < 16; i++) {
+ if ((*buf >= 'a') && (*buf <= 'f'))
+ j = ((j << 4) | ((*buf++ -'a') + 10));
+ else if ((*buf >= 'A') && (*buf <= 'F'))
+ j = ((j << 4) | ((*buf++ -'A') + 10));
+ else if ((*buf >= '0') && (*buf <= '9'))
+ j = ((j << 4) | (*buf++ -'0'));
+ else
+ return -EINVAL;
+ if (i % 2) {
+ wwnn[i/2] = j & 0xff;
+ j = 0;
+ }
+ }
+ phba->cfg_soft_wwnn = wwn_to_u64(wwnn);
+
+ dev_printk(KERN_NOTICE, &phba->pcidev->dev,
+ "lpfc%d: soft_wwnn set. Value will take effect upon "
+ "setting of the soft_wwpn\n", phba->brd_no);
+
+ return count;
+}
+static DEVICE_ATTR(lpfc_soft_wwnn, S_IRUGO | S_IWUSR,\
+ lpfc_soft_wwnn_show, lpfc_soft_wwnn_store);
+
+
+static int lpfc_poll = 0;
+module_param(lpfc_poll, int, 0);
+MODULE_PARM_DESC(lpfc_poll, "FCP ring polling mode control:"
+ " 0 - none,"
+ " 1 - poll with interrupts enabled"
+ " 3 - poll and disable FCP ring interrupts");
+
+static DEVICE_ATTR(lpfc_poll, S_IRUGO | S_IWUSR,
+ lpfc_poll_show, lpfc_poll_store);
+
+int lpfc_sli_mode = 0;
+module_param(lpfc_sli_mode, int, 0);
+MODULE_PARM_DESC(lpfc_sli_mode, "SLI mode selector:"
+ " 0 - auto (SLI-3 if supported),"
+ " 2 - select SLI-2 even on SLI-3 capable HBAs,"
+ " 3 - select SLI-3");
+
+int lpfc_enable_npiv = 0;
+module_param(lpfc_enable_npiv, int, 0);
+MODULE_PARM_DESC(lpfc_enable_npiv, "Enable NPIV functionality");
+lpfc_param_show(enable_npiv);
+lpfc_param_init(enable_npiv, 0, 0, 1);
+static DEVICE_ATTR(lpfc_enable_npiv, S_IRUGO,
+ lpfc_enable_npiv_show, NULL);
+
+/*
+# lpfc_nodev_tmo: If set, it will hold all I/O errors on devices that disappear
+# until the timer expires. Value range is [0,255]. Default value is 30.
+*/
+static int lpfc_nodev_tmo = LPFC_DEF_DEVLOSS_TMO;
+static int lpfc_devloss_tmo = LPFC_DEF_DEVLOSS_TMO;
+module_param(lpfc_nodev_tmo, int, 0);
+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)
+{
+ struct Scsi_Host *shost = class_to_shost(dev);
+ struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
+ int val = 0;
+ val = vport->cfg_devloss_tmo;
+ 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)
+{
+ if (vport->cfg_devloss_tmo != LPFC_DEF_DEVLOSS_TMO) {
+ vport->cfg_nodev_tmo = vport->cfg_devloss_tmo;
+ if (val != LPFC_DEF_DEVLOSS_TMO)
+ lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT,
+ "0407 Ignoring nodev_tmo module "
+ "parameter because devloss_tmo is "
+ "set.\n");
+ return 0;
+ }
+
+ if (val >= LPFC_MIN_DEVLOSS_TMO && val <= LPFC_MAX_DEVLOSS_TMO) {
+ vport->cfg_nodev_tmo = val;
+ vport->cfg_devloss_tmo = val;
+ return 0;
+ }
+ lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT,
+ "0400 lpfc_nodev_tmo attribute cannot be set to"
+ " %d, allowed range is [%d, %d]\n",
+ val, LPFC_MIN_DEVLOSS_TMO, LPFC_MAX_DEVLOSS_TMO);
+ vport->cfg_nodev_tmo = LPFC_DEF_DEVLOSS_TMO;
+ 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)
+{
+ struct Scsi_Host *shost;
+ struct lpfc_nodelist *ndlp;
+
+ shost = lpfc_shost_from_vport(vport);
+ spin_lock_irq(shost->host_lock);
+ list_for_each_entry(ndlp, &vport->fc_nodes, nlp_listp)
+ if (NLP_CHK_NODE_ACT(ndlp) && ndlp->rport)
+ ndlp->rport->dev_loss_tmo = vport->cfg_devloss_tmo;
+ 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)
+{
+ if (vport->dev_loss_tmo_changed ||
+ (lpfc_devloss_tmo != LPFC_DEF_DEVLOSS_TMO)) {
+ lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT,
+ "0401 Ignoring change to nodev_tmo "
+ "because devloss_tmo is set.\n");
+ return 0;
+ }
+ if (val >= LPFC_MIN_DEVLOSS_TMO && val <= LPFC_MAX_DEVLOSS_TMO) {
+ vport->cfg_nodev_tmo = val;
+ vport->cfg_devloss_tmo = val;
+ lpfc_update_rport_devloss_tmo(vport);
+ return 0;
+ }
+ lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT,
+ "0403 lpfc_nodev_tmo attribute cannot be set to"
+ "%d, allowed range is [%d, %d]\n",
+ val, LPFC_MIN_DEVLOSS_TMO, LPFC_MAX_DEVLOSS_TMO);
+ return -EINVAL;
+}
+
+lpfc_vport_param_store(nodev_tmo)
+
+static DEVICE_ATTR(lpfc_nodev_tmo, S_IRUGO | S_IWUSR,
+ lpfc_nodev_tmo_show, lpfc_nodev_tmo_store);
+
+/*
+# lpfc_devloss_tmo: If set, it will hold all I/O errors on devices that
+# disappear until the timer expires. Value range is [0,255]. Default
+# value is 30.
+*/
+module_param(lpfc_devloss_tmo, int, 0);
+MODULE_PARM_DESC(lpfc_devloss_tmo,
+ "Seconds driver will hold I/O waiting "
+ "for a device to come back");
+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)
+{
+ if (val >= LPFC_MIN_DEVLOSS_TMO && val <= LPFC_MAX_DEVLOSS_TMO) {
+ vport->cfg_nodev_tmo = val;
+ vport->cfg_devloss_tmo = val;
+ vport->dev_loss_tmo_changed = 1;
+ lpfc_update_rport_devloss_tmo(vport);
+ return 0;
+ }
+
+ lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT,
+ "0404 lpfc_devloss_tmo attribute cannot be set to"
+ " %d, allowed range is [%d, %d]\n",
+ val, LPFC_MIN_DEVLOSS_TMO, LPFC_MAX_DEVLOSS_TMO);
+ return -EINVAL;
+}
+
+lpfc_vport_param_store(devloss_tmo)
+static DEVICE_ATTR(lpfc_devloss_tmo, S_IRUGO | S_IWUSR,
+ lpfc_devloss_tmo_show, lpfc_devloss_tmo_store);
/*
# lpfc_log_verbose: Only turn this flag on if you are willing to risk being
# deluged with LOTS of information.
# You can set a bit mask to record specific types of verbose messages:
-#
-# LOG_ELS 0x1 ELS events
-# LOG_DISCOVERY 0x2 Link discovery events
-# LOG_MBOX 0x4 Mailbox events
-# LOG_INIT 0x8 Initialization events
-# LOG_LINK_EVENT 0x10 Link events
-# LOG_IP 0x20 IP traffic history
-# LOG_FCP 0x40 FCP traffic history
-# LOG_NODE 0x80 Node table events
-# LOG_MISC 0x400 Miscellaneous events
-# LOG_SLI 0x800 SLI events
-# LOG_CHK_COND 0x1000 FCP Check condition flag
-# LOG_LIBDFC 0x2000 LIBDFC events
-# LOG_ALL_MSG 0xffff LOG all messages
+# See lpfc_logmsh.h for definitions.
+*/
+LPFC_VPORT_ATTR_HEX_RW(log_verbose, 0x0, 0x0, 0xffffffff,
+ "Verbose logging bit-mask");
+
+/*
+# lpfc_enable_da_id: This turns on the DA_ID CT command that deregisters
+# objects that have been registered with the nameserver after login.
*/
-LPFC_ATTR_RW(log_verbose, 0x0, 0x0, 0xffff, "Verbose logging bit-mask");
+LPFC_VPORT_ATTR_R(enable_da_id, 0, 0, 1,
+ "Deregister nameserver objects before LOGO");
/*
# lun_queue_depth: This parameter is used to limit the number of outstanding
# commands per FCP LUN. Value range is [1,128]. Default value is 30.
*/
-LPFC_ATTR_R(lun_queue_depth, 30, 1, 128,
- "Max number of FCP commands we can queue to a specific LUN");
+LPFC_VPORT_ATTR_R(lun_queue_depth, 30, 1, 128,
+ "Max number of FCP commands we can queue to a specific LUN");
+
+/*
+# hba_queue_depth: This parameter is used to limit the number of outstanding
+# commands per lpfc HBA. Value range is [32,8192]. If this parameter
+# value is greater than the maximum number of exchanges supported by the HBA,
+# then maximum number of exchanges supported by the HBA is used to determine
+# the hba_queue_depth.
+*/
+LPFC_ATTR_R(hba_queue_depth, 8192, 32, 8192,
+ "Max number of FCP commands we can queue to a lpfc HBA");
+
+/*
+# peer_port_login: This parameter allows/prevents logins
+# between peer ports hosted on the same physical port.
+# When this parameter is set 0 peer ports of same physical port
+# are not allowed to login to each other.
+# When this parameter is set 1 peer ports of same physical port
+# are allowed to login to each other.
+# Default value of this parameter is 0.
+*/
+LPFC_VPORT_ATTR_R(peer_port_login, 0, 0, 1,
+ "Allow peer ports on the same physical port to login to each "
+ "other.");
+
+/*
+# restrict_login: This parameter allows/prevents logins
+# between Virtual Ports and remote initiators.
+# When this parameter is not set (0) Virtual Ports will accept PLOGIs from
+# other initiators and will attempt to PLOGI all remote ports.
+# When this parameter is set (1) Virtual Ports will reject PLOGIs from
+# remote ports and will not attempt to PLOGI to other initiators.
+# This parameter does not restrict to the physical port.
+# This parameter does not restrict logins to Fabric resident remote ports.
+# Default value of this parameter is 1.
+*/
+static int lpfc_restrict_login = 1;
+module_param(lpfc_restrict_login, int, 0);
+MODULE_PARM_DESC(lpfc_restrict_login,
+ "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,
+ "0422 lpfc_restrict_login attribute cannot "
+ "be set to %d, allowed range is [0, 1]\n",
+ val);
+ vport->cfg_restrict_login = 1;
+ return -EINVAL;
+ }
+ if (vport->port_type == LPFC_PHYSICAL_PORT) {
+ vport->cfg_restrict_login = 0;
+ return 0;
+ }
+ vport->cfg_restrict_login = val;
+ 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,
+ "0425 lpfc_restrict_login attribute cannot "
+ "be set to %d, allowed range is [0, 1]\n",
+ val);
+ vport->cfg_restrict_login = 1;
+ return -EINVAL;
+ }
+ if (vport->port_type == LPFC_PHYSICAL_PORT && val != 0) {
+ lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT,
+ "0468 lpfc_restrict_login must be 0 for "
+ "Physical ports.\n");
+ vport->cfg_restrict_login = 0;
+ return 0;
+ }
+ vport->cfg_restrict_login = val;
+ return 0;
+}
+lpfc_vport_param_store(restrict_login);
+static DEVICE_ATTR(lpfc_restrict_login, S_IRUGO | S_IWUSR,
+ lpfc_restrict_login_show, lpfc_restrict_login_store);
/*
# Some disk devices have a "select ID" or "select Target" capability.
# and will not work across a fabric. Also this parameter will take
# effect only in the case when ALPA map is not available.)
*/
-LPFC_ATTR_R(scan_down, 1, 0, 1,
- "Start scanning for devices from highest ALPA to lowest");
+LPFC_VPORT_ATTR_R(scan_down, 1, 0, 1,
+ "Start scanning for devices from highest ALPA to lowest");
+
+/*
+# lpfc_topology: link topology for init link
+# 0x0 = attempt loop mode then point-to-point
+# 0x01 = internal loopback mode
+# 0x02 = attempt point-to-point mode only
+# 0x04 = attempt loop mode only
+# 0x06 = attempt point-to-point mode then loop
+# Set point-to-point mode if you want to run as an N_Port.
+# 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 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) {
+ phba->cfg_topology = prev_val;
+ return -EINVAL;
+ } else
+ return strlen(buf);
+ }
+ lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
+ "%d:0467 lpfc_topology attribute cannot be set to %d, "
+ "allowed range is [0, 6]\n",
+ phba->brd_no, val);
+ return -EINVAL;
+}
+static int lpfc_topology = 0;
+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)
+static DEVICE_ATTR(lpfc_topology, S_IRUGO | S_IWUSR,
+ lpfc_topology_show, lpfc_topology_store);
+
+/**
+ * lpfc_static_vport_show: Read callback function for
+ * lpfc_static_vport sysfs file.
+ * @dev: Pointer to class device object.
+ * @attr: device attribute structure.
+ * @buf: Data buffer.
+ *
+ * This function is the read call back function for
+ * lpfc_static_vport sysfs file. The lpfc_static_vport
+ * sysfs file report the mageability of the vport.
+ **/
+static ssize_t
+lpfc_static_vport_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;
+ if (vport->vport_flag & STATIC_VPORT)
+ sprintf(buf, "1\n");
+ else
+ sprintf(buf, "0\n");
+
+ return strlen(buf);
+}
+
+/*
+ * Sysfs attribute to control the statistical data collection.
+ */
+static DEVICE_ATTR(lpfc_static_vport, S_IRUGO,
+ lpfc_static_vport_show, NULL);
+
+/**
+ * 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 - 1))
+ 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_vports && 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_vports && 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_vports && 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 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 function for lpfc_drvr_stat_data 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.
+# 0 = auto select (default)
+# 1 = 1 Gigabaud
+# 2 = 2 Gigabaud
+# 4 = 4 Gigabaud
+# 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 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)) ||
+ ((val == LINK_SPEED_8G) && !(phba->lmt & LMT_8Gb)) ||
+ ((val == LINK_SPEED_10G) && !(phba->lmt & LMT_10Gb)))
+ return -EINVAL;
+
+ 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) {
+ phba->cfg_link_speed = prev_val;
+ return -EINVAL;
+ } else
+ return strlen(buf);
+ }
+
+ lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
+ "%d:0469 lpfc_link_speed attribute cannot be set to %d, "
+ "allowed range is [0, 8]\n",
+ phba->brd_no, val);
+ return -EINVAL;
+}
+
+static int lpfc_link_speed = 0;
+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)
+{
+ if ((val >= 0 && val <= LPFC_MAX_LINK_SPEED)
+ && (LPFC_LINK_SPEED_BITMAP & (1 << val))) {
+ phba->cfg_link_speed = val;
+ return 0;
+ }
+ lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
+ "0405 lpfc_link_speed attribute cannot "
+ "be set to %d, allowed values are "
+ "["LPFC_LINK_SPEED_STRING"]\n", val);
+ phba->cfg_link_speed = 0;
+ return -EINVAL;
+}
+
+static DEVICE_ATTR(lpfc_link_speed, S_IRUGO | S_IWUSR,
+ lpfc_link_speed_show, lpfc_link_speed_store);
+
+/*
+# lpfc_fcp_class: Determines FC class to use for the FCP protocol.
+# Value range is [2,3]. Default value is 3.
+*/
+LPFC_VPORT_ATTR_R(fcp_class, 3, 2, 3,
+ "Select Fibre Channel class of service for FCP sequences");
+
+/*
+# lpfc_use_adisc: Use ADISC for FCP rediscovery instead of PLOGI. Value range
+# is [0,1]. Default value is 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_ATTR_R(ack0, 0, 0, 1, "Enable ACK0 support");
+
+/*
+# lpfc_cr_delay & lpfc_cr_count: Default values for I/O colaesing
+# cr_delay (msec) or cr_count outstanding commands. cr_delay can take
+# value [0,63]. cr_count can take value [1,255]. Default value of cr_delay
+# is 0. Default value of cr_count is 1. The cr_count feature is disabled if
+# cr_delay is set to 0.
+*/
+LPFC_ATTR_RW(cr_delay, 0, 0, 63, "A count of milliseconds after which an "
+ "interrupt response is generated");
+
+LPFC_ATTR_RW(cr_count, 1, 1, 255, "A count of I/O completions after which an "
+ "interrupt response is generated");
+
+/*
+# lpfc_multi_ring_support: Determines how many rings to spread available
+# cmd/rsp IOCB entries across.
+# Value range is [1,2]. Default value is 1.
+*/
+LPFC_ATTR_R(multi_ring_support, 1, 1, 2, "Determines number of primary "
+ "SLI rings to spread IOCB entries across");
+
+/*
+# lpfc_multi_ring_rctl: If lpfc_multi_ring_support is enabled, this
+# identifies what rctl value to configure the additional ring for.
+# Value range is [1,0xff]. Default value is 4 (Unsolicated Data).
+*/
+LPFC_ATTR_R(multi_ring_rctl, FC_UNSOL_DATA, 1,
+ 255, "Identifies RCTL for additional ring configuration");
+
+/*
+# lpfc_multi_ring_type: If lpfc_multi_ring_support is enabled, this
+# identifies what type value to configure the additional ring for.
+# Value range is [1,0xff]. Default value is 5 (LLC/SNAP).
+*/
+LPFC_ATTR_R(multi_ring_type, FC_LLC_SNAP, 1,
+ 255, "Identifies TYPE for additional ring configuration");
+
+/*
+# lpfc_fdmi_on: controls FDMI support.
+# 0 = no FDMI support
+# 1 = support FDMI without attribute of hostname
+# 2 = support FDMI with attribute of hostname
+# Value range [0,2]. Default value is 0.
+*/
+LPFC_VPORT_ATTR_RW(fdmi_on, 0, 0, 2, "Enable FDMI support");
+
+/*
+# Specifies the maximum number of ELS cmds we can have outstanding (for
+# discovery). Value range is [1,64]. Default value = 32.
+*/
+LPFC_VPORT_ATTR(discovery_threads, 32, 1, 64, "Maximum number of ELS commands "
+ "during discovery");
+
+/*
+# lpfc_max_luns: maximum allowed LUN.
+# Value range is [0,65535]. Default value is 255.
+# NOTE: The SCSI layer might probe all allowed LUN on some old targets.
+*/
+LPFC_VPORT_ATTR_R(max_luns, 255, 0, 65535, "Maximum allowed LUN");
+
+/*
+# lpfc_poll_tmo: .Milliseconds driver will wait between polling FCP ring.
+# Value range is [1,255], default value is 10.
+*/
+LPFC_ATTR_RW(poll_tmo, 10, 1, 255,
+ "Milliseconds driver will wait between polling FCP ring");
+
+/*
+# lpfc_use_msi: Use MSI (Message Signaled Interrupts) in systems that
+# support this feature
+# 0 = MSI disabled (default)
+# 1 = MSI enabled
+# 2 = MSI-X enabled
+# Value range is [0,2]. Default value is 0.
+*/
+LPFC_ATTR_R(use_msi, 0, 0, 2, "Use Message Signaled Interrupts (1) or "
+ "MSI-X (2), if possible");
/*
-# lpfc_nodev_tmo: If set, it will hold all I/O errors on devices that disappear
-# until the timer expires. Value range is [0,255]. Default value is 30.
-# NOTE: this MUST be less then the SCSI Layer command timeout - 1.
+# lpfc_fcp_imax: Set the maximum number of fast-path FCP interrupts per second
+#
+# Value range is [636,651042]. Default value is 10000.
*/
-LPFC_ATTR_RW(nodev_tmo, 30, 0, 255,
- "Seconds driver will hold I/O waiting for a device to come back");
+LPFC_ATTR_R(fcp_imax, LPFC_FP_DEF_IMAX, LPFC_MIM_IMAX, LPFC_DMULT_CONST,
+ "Set the maximum number of fast-path FCP interrupts per second");
/*
-# lpfc_topology: link topology for init link
-# 0x0 = attempt loop mode then point-to-point
-# 0x02 = attempt point-to-point mode only
-# 0x04 = attempt loop mode only
-# 0x06 = attempt point-to-point mode then loop
-# Set point-to-point mode if you want to run as an N_Port.
-# Set loop mode if you want to run as an NL_Port. Value range is [0,0x6].
-# Default value is 0.
+# lpfc_fcp_wq_count: Set the number of fast-path FCP work queues
+#
+# Value range is [1,31]. Default value is 4.
*/
-LPFC_ATTR_R(topology, 0, 0, 6, "Select Fibre Channel topology");
+LPFC_ATTR_R(fcp_wq_count, LPFC_FP_WQN_DEF, LPFC_FP_WQN_MIN, LPFC_FP_WQN_MAX,
+ "Set the number of fast-path FCP work queues, if possible");
/*
-# lpfc_link_speed: Link speed selection for initializing the Fibre Channel
-# connection.
-# 0 = auto select (default)
-# 1 = 1 Gigabaud
-# 2 = 2 Gigabaud
-# 4 = 4 Gigabaud
-# Value range is [0,4]. Default value is 0.
+# lpfc_fcp_eq_count: Set the number of fast-path FCP event queues
+#
+# Value range is [1,7]. Default value is 1.
*/
-LPFC_ATTR_R(link_speed, 0, 0, 4, "Select link speed");
+LPFC_ATTR_R(fcp_eq_count, LPFC_FP_EQN_DEF, LPFC_FP_EQN_MIN, LPFC_FP_EQN_MAX,
+ "Set the number of fast-path FCP event queues, if possible");
/*
-# lpfc_fcp_class: Determines FC class to use for the FCP protocol.
-# Value range is [2,3]. Default value is 3.
+# lpfc_enable_hba_reset: Allow or prevent HBA resets to the hardware.
+# 0 = HBA resets disabled
+# 1 = HBA resets enabled (default)
+# Value range is [0,1]. Default value is 1.
*/
-LPFC_ATTR_R(fcp_class, 3, 2, 3,
- "Select Fibre Channel class of service for FCP sequences");
+LPFC_ATTR_R(enable_hba_reset, 1, 0, 1, "Enable HBA resets from the driver.");
/*
-# lpfc_use_adisc: Use ADISC for FCP rediscovery instead of PLOGI. Value range
-# is [0,1]. Default value is 0.
+# lpfc_enable_hba_heartbeat: Enable HBA heartbeat timer..
+# 0 = HBA Heartbeat disabled
+# 1 = HBA Heartbeat enabled (default)
+# Value range is [0,1]. Default value is 1.
*/
-LPFC_ATTR_RW(use_adisc, 0, 0, 1,
- "Use ADISC on rediscovery to authenticate FCP devices");
+LPFC_ATTR_R(enable_hba_heartbeat, 1, 0, 1, "Enable HBA Heartbeat.");
/*
-# lpfc_ack0: Use ACK0, instead of ACK1 for class 2 acknowledgement. Value
-# range is [0,1]. Default value is 0.
+# lpfc_enable_bg: Enable BlockGuard (Emulex's Implementation of T10-DIF)
+# 0 = BlockGuard disabled (default)
+# 1 = BlockGuard enabled
+# Value range is [0,1]. Default value is 0.
*/
-LPFC_ATTR_R(ack0, 0, 0, 1, "Enable ACK0 support");
+LPFC_ATTR_R(enable_bg, 0, 0, 1, "Enable BlockGuard Support");
/*
-# lpfc_cr_delay & lpfc_cr_count: Default values for I/O colaesing
-# cr_delay (msec) or cr_count outstanding commands. cr_delay can take
-# value [0,63]. cr_count can take value [0,255]. Default value of cr_delay
-# is 0. Default value of cr_count is 1. The cr_count feature is disabled if
-# cr_delay is set to 0.
+# lpfc_enable_fip: When set, FIP is required to start discovery. If not
+# set, the driver will add an FCF record manually if the port has no
+# FCF records available and start discovery.
+# Value range is [0,1]. Default value is 1 (enabled)
*/
-LPFC_ATTR(cr_delay, 0, 0, 63, "A count of milliseconds after which an"
- "interrupt response is generated");
+LPFC_ATTR_RW(enable_fip, 0, 0, 1, "Enable FIP Discovery");
-LPFC_ATTR(cr_count, 1, 1, 255, "A count of I/O completions after which an"
- "interrupt response is generated");
/*
-# lpfc_fdmi_on: controls FDMI support.
-# 0 = no FDMI support
-# 1 = support FDMI without attribute of hostname
-# 2 = support FDMI with attribute of hostname
-# Value range [0,2]. Default value is 0.
+# lpfc_prot_mask: i
+# - Bit mask of host protection capabilities used to register with the
+# SCSI mid-layer
+# - Only meaningful if BG is turned on (lpfc_enable_bg=1).
+# - Allows you to ultimately specify which profiles to use
+# - Default will result in registering capabilities for all profiles.
+#
*/
-LPFC_ATTR_RW(fdmi_on, 0, 0, 2, "Enable FDMI support");
+unsigned int lpfc_prot_mask = SHOST_DIX_TYPE0_PROTECTION;
+
+module_param(lpfc_prot_mask, uint, 0);
+MODULE_PARM_DESC(lpfc_prot_mask, "host protection mask");
/*
-# Specifies the maximum number of ELS cmds we can have outstanding (for
-# discovery). Value range is [1,64]. Default value = 32.
+# lpfc_prot_guard: i
+# - Bit mask of protection guard types to register with the SCSI mid-layer
+# - Guard types are currently either 1) IP checksum 2) T10-DIF CRC
+# - Allows you to ultimately specify which profiles to use
+# - Default will result in registering capabilities for all guard types
+#
*/
-LPFC_ATTR(discovery_threads, 32, 1, 64, "Maximum number of ELS commands"
- "during discovery");
+unsigned char lpfc_prot_guard = SHOST_DIX_GUARD_IP;
+module_param(lpfc_prot_guard, byte, 0);
+MODULE_PARM_DESC(lpfc_prot_guard, "host protection guard type");
+
/*
-# lpfc_max_luns: maximum number of LUNs per target driver will support
-# Value range is [1,32768]. Default value is 256.
-# NOTE: The SCSI layer will scan each target for this many luns
-*/
-LPFC_ATTR_R(max_luns, 256, 1, 32768,
- "Maximum number of LUNs per target driver will support");
-
-struct class_device_attribute *lpfc_host_attrs[] = {
- &class_device_attr_info,
- &class_device_attr_serialnum,
- &class_device_attr_modeldesc,
- &class_device_attr_modelname,
- &class_device_attr_programtype,
- &class_device_attr_portnum,
- &class_device_attr_fwrev,
- &class_device_attr_hdw,
- &class_device_attr_option_rom_version,
- &class_device_attr_state,
- &class_device_attr_num_discovered_ports,
- &class_device_attr_lpfc_drvr_version,
- &class_device_attr_lpfc_log_verbose,
- &class_device_attr_lpfc_lun_queue_depth,
- &class_device_attr_lpfc_nodev_tmo,
- &class_device_attr_lpfc_fcp_class,
- &class_device_attr_lpfc_use_adisc,
- &class_device_attr_lpfc_ack0,
- &class_device_attr_lpfc_topology,
- &class_device_attr_lpfc_scan_down,
- &class_device_attr_lpfc_link_speed,
- &class_device_attr_lpfc_fdmi_on,
- &class_device_attr_lpfc_max_luns,
- &class_device_attr_nport_evt_cnt,
- &class_device_attr_management_version,
- &class_device_attr_board_online,
+ * 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).
+ */
+LPFC_ATTR_R(sg_seg_cnt, LPFC_DEFAULT_SG_SEG_CNT, LPFC_DEFAULT_SG_SEG_CNT,
+ LPFC_MAX_SG_SEG_CNT, "Max Scatter Gather Segment Count");
+
+LPFC_ATTR_R(prot_sg_seg_cnt, LPFC_DEFAULT_PROT_SG_SEG_CNT,
+ LPFC_DEFAULT_PROT_SG_SEG_CNT, LPFC_MAX_PROT_SG_SEG_CNT,
+ "Max Protection Scatter Gather Segment Count");
+
+struct device_attribute *lpfc_hba_attrs[] = {
+ &dev_attr_bg_info,
+ &dev_attr_bg_guard_err,
+ &dev_attr_bg_apptag_err,
+ &dev_attr_bg_reftag_err,
+ &dev_attr_info,
+ &dev_attr_serialnum,
+ &dev_attr_modeldesc,
+ &dev_attr_modelname,
+ &dev_attr_programtype,
+ &dev_attr_portnum,
+ &dev_attr_fwrev,
+ &dev_attr_hdw,
+ &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_lun_queue_depth,
+ &dev_attr_lpfc_hba_queue_depth,
+ &dev_attr_lpfc_peer_port_login,
+ &dev_attr_lpfc_nodev_tmo,
+ &dev_attr_lpfc_devloss_tmo,
+ &dev_attr_lpfc_enable_fip,
+ &dev_attr_lpfc_fcp_class,
+ &dev_attr_lpfc_use_adisc,
+ &dev_attr_lpfc_ack0,
+ &dev_attr_lpfc_topology,
+ &dev_attr_lpfc_scan_down,
+ &dev_attr_lpfc_link_speed,
+ &dev_attr_lpfc_cr_delay,
+ &dev_attr_lpfc_cr_count,
+ &dev_attr_lpfc_multi_ring_support,
+ &dev_attr_lpfc_multi_ring_rctl,
+ &dev_attr_lpfc_multi_ring_type,
+ &dev_attr_lpfc_fdmi_on,
+ &dev_attr_lpfc_max_luns,
+ &dev_attr_lpfc_enable_npiv,
+ &dev_attr_nport_evt_cnt,
+ &dev_attr_board_mode,
+ &dev_attr_max_vpi,
+ &dev_attr_used_vpi,
+ &dev_attr_max_rpi,
+ &dev_attr_used_rpi,
+ &dev_attr_max_xri,
+ &dev_attr_used_xri,
+ &dev_attr_npiv_info,
+ &dev_attr_issue_reset,
+ &dev_attr_lpfc_poll,
+ &dev_attr_lpfc_poll_tmo,
+ &dev_attr_lpfc_use_msi,
+ &dev_attr_lpfc_fcp_imax,
+ &dev_attr_lpfc_fcp_wq_count,
+ &dev_attr_lpfc_fcp_eq_count,
+ &dev_attr_lpfc_enable_bg,
+ &dev_attr_lpfc_soft_wwnn,
+ &dev_attr_lpfc_soft_wwpn,
+ &dev_attr_lpfc_soft_wwn_enable,
+ &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,
+ &dev_attr_lpfc_prot_sg_seg_cnt,
+ NULL,
+};
+
+struct device_attribute *lpfc_vport_attrs[] = {
+ &dev_attr_info,
+ &dev_attr_link_state,
+ &dev_attr_num_discovered_ports,
+ &dev_attr_lpfc_drvr_version,
+ &dev_attr_lpfc_log_verbose,
+ &dev_attr_lpfc_lun_queue_depth,
+ &dev_attr_lpfc_nodev_tmo,
+ &dev_attr_lpfc_devloss_tmo,
+ &dev_attr_lpfc_enable_fip,
+ &dev_attr_lpfc_hba_queue_depth,
+ &dev_attr_lpfc_peer_port_login,
+ &dev_attr_lpfc_restrict_login,
+ &dev_attr_lpfc_fcp_class,
+ &dev_attr_lpfc_use_adisc,
+ &dev_attr_lpfc_fdmi_on,
+ &dev_attr_lpfc_max_luns,
+ &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,
+ &dev_attr_lpfc_static_vport,
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, char *buf, loff_t off, size_t count)
+sysfs_ctlreg_write(struct kobject *kobj, struct bin_attribute *bin_attr,
+ char *buf, loff_t off, size_t count)
{
size_t buf_off;
- struct Scsi_Host *host = class_to_shost(container_of(kobj,
- struct class_device, kobj));
- struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata[0];
+ 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;
+
+ if (phba->sli_rev >= LPFC_SLI_REV4)
+ return -EPERM;
if ((off + count) > FF_REG_AREA_SIZE)
return -ERANGE;
if (off % 4 || count % 4 || (unsigned long)buf % 4)
return -EINVAL;
- spin_lock_irq(phba->host->host_lock);
-
- if (!(phba->fc_flag & FC_OFFLINE_MODE)) {
- spin_unlock_irq(phba->host->host_lock);
+ if (!(vport->fc_flag & FC_OFFLINE_MODE)) {
return -EPERM;
}
+ spin_lock_irq(&phba->hbalock);
for (buf_off = 0; buf_off < count; buf_off += sizeof(uint32_t))
writel(*((uint32_t *)(buf + buf_off)),
phba->ctrl_regs_memmap_p + off + buf_off);
- spin_unlock_irq(phba->host->host_lock);
+ spin_unlock_irq(&phba->hbalock);
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 successful 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, char *buf, loff_t off, size_t count)
+sysfs_ctlreg_read(struct kobject *kobj, struct bin_attribute *bin_attr,
+ char *buf, loff_t off, size_t count)
{
size_t buf_off;
uint32_t * tmp_ptr;
- struct Scsi_Host *host = class_to_shost(container_of(kobj,
- struct class_device, kobj));
- struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata[0];
+ 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;
+
+ if (phba->sli_rev >= LPFC_SLI_REV4)
+ return -EPERM;
if (off > FF_REG_AREA_SIZE)
return -ERANGE;
if (off % 4 || count % 4 || (unsigned long)buf % 4)
return -EINVAL;
- spin_lock_irq(phba->host->host_lock);
+ spin_lock_irq(&phba->hbalock);
for (buf_off = 0; buf_off < count; buf_off += sizeof(uint32_t)) {
tmp_ptr = (uint32_t *)(buf + buf_off);
*tmp_ptr = readl(phba->ctrl_regs_memmap_p + off + buf_off);
}
- spin_unlock_irq(phba->host->host_lock);
+ spin_unlock_irq(&phba->hbalock);
return count;
}
.attr = {
.name = "ctlreg",
.mode = S_IRUSR | S_IWUSR,
- .owner = THIS_MODULE,
},
.size = 256,
.read = sysfs_ctlreg_read,
.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_idle(struct lpfc_hba *phba)
{
phba->sysfs_mbox.state = SMBOX_IDLE;
phba->sysfs_mbox.offset = 0;
}
}
+/**
+ * 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, char *buf, loff_t off, size_t count)
+sysfs_mbox_write(struct kobject *kobj, struct bin_attribute *bin_attr,
+ char *buf, loff_t off, size_t count)
{
- struct Scsi_Host * host =
- class_to_shost(container_of(kobj, struct class_device, kobj));
- struct lpfc_hba * phba = (struct lpfc_hba*)host->hostdata[0];
- struct lpfcMboxq * mbox = NULL;
+ 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;
+ struct lpfcMboxq *mbox = NULL;
if ((count + off) > MAILBOX_CMD_SIZE)
return -ERANGE;
mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
if (!mbox)
return -ENOMEM;
-
+ memset(mbox, 0, sizeof (LPFC_MBOXQ_t));
}
- spin_lock_irq(host->host_lock);
+ spin_lock_irq(&phba->hbalock);
if (off == 0) {
if (phba->sysfs_mbox.mbox)
} else {
if (phba->sysfs_mbox.state != SMBOX_WRITING ||
phba->sysfs_mbox.offset != off ||
- phba->sysfs_mbox.mbox == NULL ) {
+ phba->sysfs_mbox.mbox == NULL) {
sysfs_mbox_idle(phba);
- spin_unlock_irq(host->host_lock);
- return -EINVAL;
+ spin_unlock_irq(&phba->hbalock);
+ return -EAGAIN;
}
}
- memcpy((uint8_t *) & phba->sysfs_mbox.mbox->mb + off,
+ memcpy((uint8_t *) &phba->sysfs_mbox.mbox->u.mb + off,
buf, count);
phba->sysfs_mbox.offset = off + count;
- spin_unlock_irq(host->host_lock);
+ spin_unlock_irq(&phba->hbalock);
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, char *buf, loff_t off, size_t count)
+sysfs_mbox_read(struct kobject *kobj, struct bin_attribute *bin_attr,
+ char *buf, loff_t off, size_t count)
{
- struct Scsi_Host *host =
- class_to_shost(container_of(kobj, struct class_device,
- kobj));
- struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata[0];
+ 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 rc;
+ MAILBOX_t *pmb;
- if (off > sizeof(MAILBOX_t))
+ if (off > MAILBOX_CMD_SIZE)
return -ERANGE;
- if ((count + off) > sizeof(MAILBOX_t))
- count = sizeof(MAILBOX_t) - off;
+ if ((count + off) > MAILBOX_CMD_SIZE)
+ count = MAILBOX_CMD_SIZE - off;
if (off % 4 || count % 4 || (unsigned long)buf % 4)
return -EINVAL;
if (off && count == 0)
return 0;
- spin_lock_irq(phba->host->host_lock);
+ spin_lock_irq(&phba->hbalock);
+
+ if (phba->over_temp_state == HBA_OVER_TEMP) {
+ sysfs_mbox_idle(phba);
+ spin_unlock_irq(&phba->hbalock);
+ return -EACCES;
+ }
if (off == 0 &&
phba->sysfs_mbox.state == SMBOX_WRITING &&
phba->sysfs_mbox.offset >= 2 * sizeof(uint32_t)) {
-
- switch (phba->sysfs_mbox.mbox->mb.mbxCommand) {
+ pmb = &phba->sysfs_mbox.mbox->u.mb;
+ switch (pmb->mbxCommand) {
/* Offline only */
- case MBX_WRITE_NV:
case MBX_INIT_LINK:
case MBX_DOWN_LINK:
case MBX_CONFIG_LINK:
case MBX_DUMP_CONTEXT:
case MBX_RUN_DIAGS:
case MBX_RESTART:
- case MBX_FLASH_WR_ULA:
case MBX_SET_MASK:
- case MBX_SET_SLIM:
case MBX_SET_DEBUG:
- if (!(phba->fc_flag & FC_OFFLINE_MODE)) {
+ if (!(vport->fc_flag & FC_OFFLINE_MODE)) {
printk(KERN_WARNING "mbox_read:Command 0x%x "
"is illegal in on-line state\n",
- phba->sysfs_mbox.mbox->mb.mbxCommand);
+ pmb->mbxCommand);
sysfs_mbox_idle(phba);
- spin_unlock_irq(phba->host->host_lock);
+ spin_unlock_irq(&phba->hbalock);
return -EPERM;
}
+ case MBX_WRITE_NV:
+ case MBX_WRITE_VPARMS:
case MBX_LOAD_SM:
case MBX_READ_NV:
case MBX_READ_CONFIG:
case MBX_DUMP_MEMORY:
case MBX_DOWN_LOAD:
case MBX_UPDATE_CFG:
+ case MBX_KILL_BOARD:
case MBX_LOAD_AREA:
case MBX_LOAD_EXP_ROM:
+ case MBX_BEACON:
+ 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:
case MBX_CONFIG_PORT:
case MBX_RUN_BIU_DIAG:
printk(KERN_WARNING "mbox_read: Illegal Command 0x%x\n",
- phba->sysfs_mbox.mbox->mb.mbxCommand);
+ pmb->mbxCommand);
sysfs_mbox_idle(phba);
- spin_unlock_irq(phba->host->host_lock);
+ spin_unlock_irq(&phba->hbalock);
return -EPERM;
default:
printk(KERN_WARNING "mbox_read: Unknown Command 0x%x\n",
- phba->sysfs_mbox.mbox->mb.mbxCommand);
+ pmb->mbxCommand);
sysfs_mbox_idle(phba);
- spin_unlock_irq(phba->host->host_lock);
+ spin_unlock_irq(&phba->hbalock);
return -EPERM;
}
- if ((phba->fc_flag & FC_OFFLINE_MODE) ||
- (!(phba->sli.sli_flag & LPFC_SLI2_ACTIVE))){
+ /* If HBA encountered an error attention, allow only DUMP
+ * or RESTART mailbox commands until the HBA is restarted.
+ */
+ if (phba->pport->stopped &&
+ pmb->mbxCommand != MBX_DUMP_MEMORY &&
+ pmb->mbxCommand != MBX_RESTART &&
+ pmb->mbxCommand != MBX_WRITE_VPARMS &&
+ pmb->mbxCommand != MBX_WRITE_WWN)
+ lpfc_printf_log(phba, KERN_WARNING, LOG_MBOX,
+ "1259 mbox: Issued mailbox cmd "
+ "0x%x while in stopped state.\n",
+ pmb->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) {
+ sysfs_mbox_idle(phba);
+ spin_unlock_irq(&phba->hbalock);
+ return -EAGAIN;
+ }
+
+ if ((vport->fc_flag & FC_OFFLINE_MODE) ||
+ (!(phba->sli.sli_flag & LPFC_SLI_ACTIVE))) {
- spin_unlock_irq(phba->host->host_lock);
+ spin_unlock_irq(&phba->hbalock);
rc = lpfc_sli_issue_mbox (phba,
phba->sysfs_mbox.mbox,
MBX_POLL);
- spin_lock_irq(phba->host->host_lock);
+ spin_lock_irq(&phba->hbalock);
} else {
- spin_unlock_irq(phba->host->host_lock);
+ spin_unlock_irq(&phba->hbalock);
rc = lpfc_sli_issue_mbox_wait (phba,
phba->sysfs_mbox.mbox,
- phba->fc_ratov * 2);
- spin_lock_irq(phba->host->host_lock);
+ lpfc_mbox_tmo_val(phba, pmb->mbxCommand) * HZ);
+ spin_lock_irq(&phba->hbalock);
}
if (rc != MBX_SUCCESS) {
+ if (rc == MBX_TIMEOUT) {
+ phba->sysfs_mbox.mbox = NULL;
+ }
sysfs_mbox_idle(phba);
- spin_unlock_irq(host->host_lock);
- return -ENODEV;
+ spin_unlock_irq(&phba->hbalock);
+ return (rc == MBX_TIMEOUT) ? -ETIME : -ENODEV;
}
phba->sysfs_mbox.state = SMBOX_READING;
}
phba->sysfs_mbox.state != SMBOX_READING) {
printk(KERN_WARNING "mbox_read: Bad State\n");
sysfs_mbox_idle(phba);
- spin_unlock_irq(host->host_lock);
- return -EINVAL;
+ spin_unlock_irq(&phba->hbalock);
+ return -EAGAIN;
}
- memcpy(buf, (uint8_t *) & phba->sysfs_mbox.mbox->mb + off, count);
+ memcpy(buf, (uint8_t *) &pmb + off, count);
phba->sysfs_mbox.offset = off + count;
- if (phba->sysfs_mbox.offset == sizeof(MAILBOX_t))
+ if (phba->sysfs_mbox.offset == MAILBOX_CMD_SIZE)
sysfs_mbox_idle(phba);
- spin_unlock_irq(phba->host->host_lock);
+ spin_unlock_irq(&phba->hbalock);
return count;
}
.attr = {
.name = "mbox",
.mode = S_IRUSR | S_IWUSR,
- .owner = THIS_MODULE,
},
- .size = sizeof(MAILBOX_t),
+ .size = MAILBOX_CMD_SIZE,
.read = sysfs_mbox_read,
.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_hba *phba)
+lpfc_alloc_sysfs_attr(struct lpfc_vport *vport)
{
- struct Scsi_Host *host = phba->host;
+ struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
int error;
- error = sysfs_create_bin_file(&host->shost_classdev.kobj,
- &sysfs_ctlreg_attr);
- if (error)
+ error = sysfs_create_bin_file(&shost->shost_dev.kobj,
+ &sysfs_drvr_stat_data_attr);
+
+ /* Virtual ports do not need ctrl_reg and mbox */
+ if (error || vport->port_type == LPFC_NPIV_PORT)
goto out;
- error = sysfs_create_bin_file(&host->shost_classdev.kobj,
- &sysfs_mbox_attr);
+ error = sysfs_create_bin_file(&shost->shost_dev.kobj,
+ &sysfs_ctlreg_attr);
+ if (error)
+ goto out_remove_stat_attr;
+
+ error = sysfs_create_bin_file(&shost->shost_dev.kobj,
+ &sysfs_mbox_attr);
if (error)
goto out_remove_ctlreg_attr;
return 0;
out_remove_ctlreg_attr:
- sysfs_remove_bin_file(&host->shost_classdev.kobj, &sysfs_ctlreg_attr);
+ sysfs_remove_bin_file(&shost->shost_dev.kobj, &sysfs_ctlreg_attr);
+out_remove_stat_attr:
+ sysfs_remove_bin_file(&shost->shost_dev.kobj,
+ &sysfs_drvr_stat_data_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_hba *phba)
+lpfc_free_sysfs_attr(struct lpfc_vport *vport)
{
- struct Scsi_Host *host = phba->host;
-
- sysfs_remove_bin_file(&host->shost_classdev.kobj, &sysfs_mbox_attr);
- sysfs_remove_bin_file(&host->shost_classdev.kobj, &sysfs_ctlreg_attr);
+ struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
+ sysfs_remove_bin_file(&shost->shost_dev.kobj,
+ &sysfs_drvr_stat_data_attr);
+ /* Virtual ports do not need ctrl_reg and mbox */
+ if (vport->port_type == LPFC_NPIV_PORT)
+ return;
+ 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)
{
- struct lpfc_hba *phba = (struct lpfc_hba*)shost->hostdata[0];
+ struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
+
/* note: fc_myDID already in cpu endianness */
- fc_host_port_id(shost) = phba->fc_myDID;
+ 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)
{
- struct lpfc_hba *phba = (struct lpfc_hba*)shost->hostdata[0];
+ struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
+ struct lpfc_hba *phba = vport->phba;
spin_lock_irq(shost->host_lock);
- if (phba->hba_state == LPFC_HBA_READY) {
+ if (vport->port_type == LPFC_NPIV_PORT) {
+ fc_host_port_type(shost) = FC_PORTTYPE_NPIV;
+ } else if (lpfc_is_link_up(phba)) {
if (phba->fc_topology == TOPOLOGY_LOOP) {
- if (phba->fc_flag & FC_PUBLIC_LOOP)
+ if (vport->fc_flag & FC_PUBLIC_LOOP)
fc_host_port_type(shost) = FC_PORTTYPE_NLPORT;
else
fc_host_port_type(shost) = FC_PORTTYPE_LPORT;
} else {
- if (phba->fc_flag & FC_FABRIC)
+ if (vport->fc_flag & FC_FABRIC)
fc_host_port_type(shost) = FC_PORTTYPE_NPORT;
else
fc_host_port_type(shost) = FC_PORTTYPE_PTP;
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)
{
- struct lpfc_hba *phba = (struct lpfc_hba*)shost->hostdata[0];
+ struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
+ struct lpfc_hba *phba = vport->phba;
spin_lock_irq(shost->host_lock);
- if (phba->fc_flag & FC_OFFLINE_MODE)
+ if (vport->fc_flag & FC_OFFLINE_MODE)
fc_host_port_state(shost) = FC_PORTSTATE_OFFLINE;
else {
- switch (phba->hba_state) {
- case LPFC_INIT_START:
- case LPFC_INIT_MBX_CMDS:
+ switch (phba->link_state) {
+ case LPFC_LINK_UNKNOWN:
case LPFC_LINK_DOWN:
fc_host_port_state(shost) = FC_PORTSTATE_LINKDOWN;
break;
case LPFC_LINK_UP:
- case LPFC_LOCAL_CFG_LINK:
- case LPFC_FLOGI:
- case LPFC_FABRIC_CFG_LINK:
- case LPFC_NS_REG:
- case LPFC_NS_QRY:
- case LPFC_BUILD_DISC_LIST:
- case LPFC_DISC_AUTH:
case LPFC_CLEAR_LA:
case LPFC_HBA_READY:
/* Links up, beyond this port_type reports state */
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)
{
- struct lpfc_hba *phba = (struct lpfc_hba*)shost->hostdata[0];
+ struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
+ struct lpfc_hba *phba = vport->phba;
spin_lock_irq(shost->host_lock);
- if (phba->hba_state == LPFC_HBA_READY) {
+ if (lpfc_is_link_up(phba)) {
switch(phba->fc_linkspeed) {
case LA_1GHZ_LINK:
fc_host_speed(shost) = FC_PORTSPEED_1GBIT;
case LA_4GHZ_LINK:
fc_host_speed(shost) = FC_PORTSPEED_4GBIT;
break;
+ case LA_8GHZ_LINK:
+ fc_host_speed(shost) = FC_PORTSPEED_8GBIT;
+ break;
+ case LA_10GHZ_LINK:
+ fc_host_speed(shost) = FC_PORTSPEED_10GBIT;
+ break;
default:
fc_host_speed(shost) = FC_PORTSPEED_UNKNOWN;
break;
}
- }
+ } else
+ fc_host_speed(shost) = FC_PORTSPEED_UNKNOWN;
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)
{
- struct lpfc_hba *phba = (struct lpfc_hba*)shost->hostdata[0];
+ struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
+ struct lpfc_hba *phba = vport->phba;
u64 node_name;
spin_lock_irq(shost->host_lock);
- if ((phba->fc_flag & FC_FABRIC) ||
+ if ((vport->fc_flag & FC_FABRIC) ||
((phba->fc_topology == TOPOLOGY_LOOP) &&
- (phba->fc_flag & FC_PUBLIC_LOOP)))
+ (vport->fc_flag & FC_PUBLIC_LOOP)))
node_name = wwn_to_u64(phba->fc_fabparam.nodeName.u.wwn);
else
/* fabric is local port if there is no F/FL_Port */
- node_name = wwn_to_u64(phba->fc_nodename.u.wwn);
+ node_name = 0;
spin_unlock_irq(shost->host_lock);
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)
{
- struct lpfc_hba *phba = (struct lpfc_hba *)shost->hostdata[0];
- struct lpfc_sli *psli = &phba->sli;
+ struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
+ struct lpfc_hba *phba = vport->phba;
+ struct lpfc_sli *psli = &phba->sli;
struct fc_host_statistics *hs = &phba->link_stats;
+ struct lpfc_lnk_stat * lso = &psli->lnk_stat_offsets;
LPFC_MBOXQ_t *pmboxq;
MAILBOX_t *pmb;
+ unsigned long seconds;
int rc = 0;
+ /*
+ * prevent udev from issuing mailbox commands until the port is
+ * configured.
+ */
+ if (phba->link_state < LPFC_LINK_DOWN ||
+ !phba->mbox_mem_pool ||
+ (phba->sli.sli_flag & LPFC_SLI_ACTIVE) == 0)
+ return NULL;
+
+ if (phba->sli.sli_flag & LPFC_BLOCK_MGMT_IO)
+ return NULL;
+
pmboxq = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
if (!pmboxq)
return NULL;
memset(pmboxq, 0, sizeof (LPFC_MBOXQ_t));
- pmb = &pmboxq->mb;
+ pmb = &pmboxq->u.mb;
pmb->mbxCommand = MBX_READ_STATUS;
pmb->mbxOwner = OWN_HOST;
pmboxq->context1 = NULL;
+ pmboxq->vport = vport;
- if ((phba->fc_flag & FC_OFFLINE_MODE) ||
- (!(psli->sli_flag & LPFC_SLI2_ACTIVE)))
+ if ((vport->fc_flag & FC_OFFLINE_MODE) ||
+ (!(psli->sli_flag & LPFC_SLI_ACTIVE)))
rc = lpfc_sli_issue_mbox(phba, pmboxq, MBX_POLL);
else
rc = lpfc_sli_issue_mbox_wait(phba, pmboxq, phba->fc_ratov * 2);
if (rc != MBX_SUCCESS) {
- if (rc == MBX_TIMEOUT)
- pmboxq->mbox_cmpl = lpfc_sli_def_mbox_cmpl;
- else
+ if (rc != MBX_TIMEOUT)
mempool_free(pmboxq, phba->mbox_mem_pool);
return NULL;
}
pmb->mbxCommand = MBX_READ_LNK_STAT;
pmb->mbxOwner = OWN_HOST;
pmboxq->context1 = NULL;
+ pmboxq->vport = vport;
- if ((phba->fc_flag & FC_OFFLINE_MODE) ||
- (!(psli->sli_flag & LPFC_SLI2_ACTIVE)))
+ if ((vport->fc_flag & FC_OFFLINE_MODE) ||
+ (!(psli->sli_flag & LPFC_SLI_ACTIVE)))
rc = lpfc_sli_issue_mbox(phba, pmboxq, MBX_POLL);
else
rc = lpfc_sli_issue_mbox_wait(phba, pmboxq, phba->fc_ratov * 2);
if (rc != MBX_SUCCESS) {
- if (rc == MBX_TIMEOUT)
- pmboxq->mbox_cmpl = lpfc_sli_def_mbox_cmpl;
- else
- mempool_free( pmboxq, phba->mbox_mem_pool);
+ if (rc != MBX_TIMEOUT)
+ mempool_free(pmboxq, phba->mbox_mem_pool);
return NULL;
}
hs->invalid_crc_count = pmb->un.varRdLnk.crcCnt;
hs->error_frames = pmb->un.varRdLnk.crcCnt;
+ hs->link_failure_count -= lso->link_failure_count;
+ hs->loss_of_sync_count -= lso->loss_of_sync_count;
+ hs->loss_of_signal_count -= lso->loss_of_signal_count;
+ hs->prim_seq_protocol_err_count -= lso->prim_seq_protocol_err_count;
+ hs->invalid_tx_word_count -= lso->invalid_tx_word_count;
+ hs->invalid_crc_count -= lso->invalid_crc_count;
+ hs->error_frames -= lso->error_frames;
+
if (phba->fc_topology == TOPOLOGY_LOOP) {
hs->lip_count = (phba->fc_eventTag >> 1);
+ hs->lip_count -= lso->link_events;
hs->nos_count = -1;
} else {
hs->lip_count = -1;
hs->nos_count = (phba->fc_eventTag >> 1);
+ hs->nos_count -= lso->link_events;
}
hs->dumped_frames = -1;
-/* FIX ME */
- /*hs->SecondsSinceLastReset = (jiffies - lpfc_loadtime) / HZ;*/
+ seconds = get_seconds();
+ if (seconds < psli->stats_start)
+ hs->seconds_since_last_reset = seconds +
+ ((unsigned long)-1 - psli->stats_start);
+ else
+ hs->seconds_since_last_reset = seconds - psli->stats_start;
+
+ mempool_free(pmboxq, phba->mbox_mem_pool);
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)
+{
+ struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
+ struct lpfc_hba *phba = vport->phba;
+ struct lpfc_sli *psli = &phba->sli;
+ struct lpfc_lnk_stat *lso = &psli->lnk_stat_offsets;
+ LPFC_MBOXQ_t *pmboxq;
+ MAILBOX_t *pmb;
+ int rc = 0;
+
+ if (phba->sli.sli_flag & LPFC_BLOCK_MGMT_IO)
+ return;
+
+ pmboxq = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
+ if (!pmboxq)
+ return;
+ memset(pmboxq, 0, sizeof(LPFC_MBOXQ_t));
+
+ pmb = &pmboxq->u.mb;
+ pmb->mbxCommand = MBX_READ_STATUS;
+ pmb->mbxOwner = OWN_HOST;
+ pmb->un.varWords[0] = 0x1; /* reset request */
+ pmboxq->context1 = NULL;
+ pmboxq->vport = vport;
+
+ if ((vport->fc_flag & FC_OFFLINE_MODE) ||
+ (!(psli->sli_flag & LPFC_SLI_ACTIVE)))
+ rc = lpfc_sli_issue_mbox(phba, pmboxq, MBX_POLL);
+ else
+ rc = lpfc_sli_issue_mbox_wait(phba, pmboxq, phba->fc_ratov * 2);
+
+ if (rc != MBX_SUCCESS) {
+ if (rc != MBX_TIMEOUT)
+ mempool_free(pmboxq, phba->mbox_mem_pool);
+ return;
+ }
+
+ memset(pmboxq, 0, sizeof(LPFC_MBOXQ_t));
+ pmb->mbxCommand = MBX_READ_LNK_STAT;
+ pmb->mbxOwner = OWN_HOST;
+ pmboxq->context1 = NULL;
+ pmboxq->vport = vport;
+
+ if ((vport->fc_flag & FC_OFFLINE_MODE) ||
+ (!(psli->sli_flag & LPFC_SLI_ACTIVE)))
+ rc = lpfc_sli_issue_mbox(phba, pmboxq, MBX_POLL);
+ else
+ rc = lpfc_sli_issue_mbox_wait(phba, pmboxq, phba->fc_ratov * 2);
+
+ if (rc != MBX_SUCCESS) {
+ if (rc != MBX_TIMEOUT)
+ mempool_free( pmboxq, phba->mbox_mem_pool);
+ return;
+ }
+
+ lso->link_failure_count = pmb->un.varRdLnk.linkFailureCnt;
+ lso->loss_of_sync_count = pmb->un.varRdLnk.lossSyncCnt;
+ lso->loss_of_signal_count = pmb->un.varRdLnk.lossSignalCnt;
+ lso->prim_seq_protocol_err_count = pmb->un.varRdLnk.primSeqErrCnt;
+ lso->invalid_tx_word_count = pmb->un.varRdLnk.invalidXmitWord;
+ lso->invalid_crc_count = pmb->un.varRdLnk.crcCnt;
+ lso->error_frames = pmb->un.varRdLnk.crcCnt;
+ lso->link_events = (phba->fc_eventTag >> 1);
+
+ psli->stats_start = get_seconds();
+
+ mempool_free(pmboxq, phba->mbox_mem_pool);
+
+ return;
+}
/*
* The LPFC driver treats linkdown handling as target loss events so there
* are no sysfs handlers for link_down_tmo.
*/
-static void
-lpfc_get_starget_port_id(struct scsi_target *starget)
+
+/**
+ * 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)
{
- struct Scsi_Host *shost = dev_to_shost(starget->dev.parent);
- struct lpfc_hba *phba = (struct lpfc_hba *) shost->hostdata[0];
- uint32_t did = -1;
- struct lpfc_nodelist *ndlp = NULL;
+ struct Scsi_Host *shost = dev_to_shost(starget->dev.parent);
+ struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
+ struct lpfc_nodelist *ndlp;
spin_lock_irq(shost->host_lock);
- /* Search the mapped list for this target ID */
- list_for_each_entry(ndlp, &phba->fc_nlpmap_list, nlp_listp) {
- if (starget->id == ndlp->nlp_sid) {
- did = ndlp->nlp_DID;
- break;
+ /* Search for this, mapped, target ID */
+ list_for_each_entry(ndlp, &vport->fc_nodes, nlp_listp) {
+ if (NLP_CHK_NODE_ACT(ndlp) &&
+ ndlp->nlp_state == NLP_STE_MAPPED_NODE &&
+ starget->id == ndlp->nlp_sid) {
+ spin_unlock_irq(shost->host_lock);
+ return ndlp;
}
}
spin_unlock_irq(shost->host_lock);
-
- fc_starget_port_id(starget) = did;
+ 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_node_name(struct scsi_target *starget)
+lpfc_get_starget_port_id(struct scsi_target *starget)
{
- struct Scsi_Host *shost = dev_to_shost(starget->dev.parent);
- struct lpfc_hba *phba = (struct lpfc_hba *) shost->hostdata[0];
- u64 node_name = 0;
- struct lpfc_nodelist *ndlp = NULL;
+ struct lpfc_nodelist *ndlp = lpfc_get_node_by_target(starget);
- spin_lock_irq(shost->host_lock);
- /* Search the mapped list for this target ID */
- list_for_each_entry(ndlp, &phba->fc_nlpmap_list, nlp_listp) {
- if (starget->id == ndlp->nlp_sid) {
- node_name = wwn_to_u64(ndlp->nlp_nodename.u.wwn);
- break;
- }
- }
- spin_unlock_irq(shost->host_lock);
-
- fc_starget_node_name(starget) = node_name;
+ 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_port_name(struct scsi_target *starget)
+lpfc_get_starget_node_name(struct scsi_target *starget)
{
- struct Scsi_Host *shost = dev_to_shost(starget->dev.parent);
- struct lpfc_hba *phba = (struct lpfc_hba *) shost->hostdata[0];
- u64 port_name = 0;
- struct lpfc_nodelist *ndlp = NULL;
-
- spin_lock_irq(shost->host_lock);
- /* Search the mapped list for this target ID */
- list_for_each_entry(ndlp, &phba->fc_nlpmap_list, nlp_listp) {
- if (starget->id == ndlp->nlp_sid) {
- port_name = wwn_to_u64(ndlp->nlp_portname.u.wwn);
- break;
- }
- }
- spin_unlock_irq(shost->host_lock);
+ struct lpfc_nodelist *ndlp = lpfc_get_node_by_target(starget);
- fc_starget_port_name(starget) = port_name;
+ fc_starget_node_name(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_rport_loss_tmo(struct fc_rport *rport)
+lpfc_get_starget_port_name(struct scsi_target *starget)
{
- /*
- * Return the driver's global value for device loss timeout plus
- * five seconds to allow the driver's nodev timer to run.
- */
- rport->dev_loss_tmo = lpfc_nodev_tmo + 5;
+ struct lpfc_nodelist *ndlp = lpfc_get_node_by_target(starget);
+
+ fc_starget_port_name(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)
{
- /*
- * The driver doesn't have a per-target timeout setting. Set
- * this value globally. lpfc_nodev_tmo should be greater then 0.
- */
if (timeout)
- lpfc_nodev_tmo = timeout;
+ rport->dev_loss_tmo = timeout;
else
- lpfc_nodev_tmo = 1;
- rport->dev_loss_tmo = lpfc_nodev_tmo + 5;
+ 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 class_device *cdev, char *buf) \
+lpfc_show_rport_##field (struct device *dev, \
+ struct device_attribute *attr, \
+ char *buf) \
{ \
- struct fc_rport *rport = transport_class_to_rport(cdev); \
+ struct fc_rport *rport = transport_class_to_rport(dev); \
struct lpfc_rport_data *rdata = rport->hostdata; \
return snprintf(buf, sz, format_string, \
(rdata->target) ? cast rdata->target->field : 0); \
lpfc_rport_show_function(field, format_string, sz, ) \
static FC_RPORT_ATTR(field, S_IRUGO, lpfc_show_rport_##field, NULL)
+/**
+ * lpfc_set_vport_symbolic_name - Set the vport's symbolic name
+ * @fc_vport: The fc_vport who's symbolic name has been changed.
+ *
+ * Description:
+ * This function is called by the transport after the @fc_vport's symbolic name
+ * has been changed. This function re-registers the symbolic name with the
+ * switch to propogate the change into the fabric if the vport is active.
+ **/
+static void
+lpfc_set_vport_symbolic_name(struct fc_vport *fc_vport)
+{
+ struct lpfc_vport *vport = *(struct lpfc_vport **)fc_vport->dd_data;
+
+ if (vport->port_state == LPFC_VPORT_READY)
+ lpfc_ns_cmd(vport, SLI_CTNS_RSPN_ID, 0, 0);
+}
+
+/**
+ * lpfc_hba_log_verbose_init - Set hba's log verbose level
+ * @phba: Pointer to lpfc_hba struct.
+ *
+ * This function is called by the lpfc_get_cfgparam() routine to set the
+ * module lpfc_log_verbose into the @phba cfg_log_verbose for use with
+ * log messsage according to the module's lpfc_log_verbose parameter setting
+ * before hba port or vport created.
+ **/
+static void
+lpfc_hba_log_verbose_init(struct lpfc_hba *phba, uint32_t verbose)
+{
+ phba->cfg_log_verbose = verbose;
+}
struct fc_function_template lpfc_transport_functions = {
/* fixed attributes the driver supports */
.show_host_port_name = 1,
.show_host_supported_classes = 1,
.show_host_supported_fc4s = 1,
- .show_host_symbolic_name = 1,
.show_host_supported_speeds = 1,
.show_host_maxframe_size = 1,
+ .show_host_symbolic_name = 1,
/* dynamic attributes the driver supports */
.get_host_port_id = lpfc_get_host_port_id,
*/
.get_fc_host_stats = lpfc_get_stats,
-
- /* the LPFC driver doesn't support resetting stats yet */
+ .reset_fc_host_stats = lpfc_reset_stats,
.dd_fcrport_size = sizeof(struct lpfc_rport_data),
.show_rport_maxframe_size = 1,
.show_rport_supported_classes = 1,
- .get_rport_dev_loss_tmo = lpfc_get_rport_loss_tmo,
.set_rport_dev_loss_tmo = lpfc_set_rport_loss_tmo,
.show_rport_dev_loss_tmo = 1,
.show_starget_port_name = 1,
.issue_fc_host_lip = lpfc_issue_lip,
+ .dev_loss_tmo_callbk = lpfc_dev_loss_tmo_callbk,
+ .terminate_rport_io = lpfc_terminate_rport_io,
+
+ .dd_fcvport_size = sizeof(struct lpfc_vport *),
+
+ .vport_disable = lpfc_vport_disable,
+
+ .set_vport_symbolic_name = lpfc_set_vport_symbolic_name,
+
+ .bsg_request = lpfc_bsg_request,
+ .bsg_timeout = lpfc_bsg_timeout,
+};
+
+struct fc_function_template lpfc_vport_transport_functions = {
+ /* fixed attributes the driver supports */
+ .show_host_node_name = 1,
+ .show_host_port_name = 1,
+ .show_host_supported_classes = 1,
+ .show_host_supported_fc4s = 1,
+ .show_host_supported_speeds = 1,
+ .show_host_maxframe_size = 1,
+ .show_host_symbolic_name = 1,
+
+ /* dynamic attributes the driver supports */
+ .get_host_port_id = lpfc_get_host_port_id,
+ .show_host_port_id = 1,
+
+ .get_host_port_type = lpfc_get_host_port_type,
+ .show_host_port_type = 1,
+
+ .get_host_port_state = lpfc_get_host_port_state,
+ .show_host_port_state = 1,
+
+ /* active_fc4s is shown but doesn't change (thus no get function) */
+ .show_host_active_fc4s = 1,
+
+ .get_host_speed = lpfc_get_host_speed,
+ .show_host_speed = 1,
+
+ .get_host_fabric_name = lpfc_get_host_fabric_name,
+ .show_host_fabric_name = 1,
+
+ /*
+ * The LPFC driver treats linkdown handling as target loss events
+ * so there are no sysfs handlers for link_down_tmo.
+ */
+
+ .get_fc_host_stats = lpfc_get_stats,
+ .reset_fc_host_stats = lpfc_reset_stats,
+
+ .dd_fcrport_size = sizeof(struct lpfc_rport_data),
+ .show_rport_maxframe_size = 1,
+ .show_rport_supported_classes = 1,
+
+ .set_rport_dev_loss_tmo = lpfc_set_rport_loss_tmo,
+ .show_rport_dev_loss_tmo = 1,
+
+ .get_starget_port_id = lpfc_get_starget_port_id,
+ .show_starget_port_id = 1,
+
+ .get_starget_node_name = lpfc_get_starget_node_name,
+ .show_starget_node_name = 1,
+
+ .get_starget_port_name = lpfc_get_starget_port_name,
+ .show_starget_port_name = 1,
+
+ .dev_loss_tmo_callbk = lpfc_dev_loss_tmo_callbk,
+ .terminate_rport_io = lpfc_terminate_rport_io,
+
+ .vport_disable = lpfc_vport_disable,
+
+ .set_vport_symbolic_name = lpfc_set_vport_symbolic_name,
};
+/**
+ * lpfc_get_cfgparam - Used during probe_one to init the adapter structure
+ * @phba: lpfc_hba pointer.
+ **/
void
lpfc_get_cfgparam(struct lpfc_hba *phba)
{
- lpfc_log_verbose_init(phba, lpfc_log_verbose);
lpfc_cr_delay_init(phba, lpfc_cr_delay);
lpfc_cr_count_init(phba, lpfc_cr_count);
- lpfc_lun_queue_depth_init(phba, lpfc_lun_queue_depth);
- lpfc_fcp_class_init(phba, lpfc_fcp_class);
- lpfc_use_adisc_init(phba, lpfc_use_adisc);
+ lpfc_multi_ring_support_init(phba, lpfc_multi_ring_support);
+ lpfc_multi_ring_rctl_init(phba, lpfc_multi_ring_rctl);
+ lpfc_multi_ring_type_init(phba, lpfc_multi_ring_type);
lpfc_ack0_init(phba, lpfc_ack0);
lpfc_topology_init(phba, lpfc_topology);
- lpfc_scan_down_init(phba, lpfc_scan_down);
- lpfc_nodev_tmo_init(phba, lpfc_nodev_tmo);
lpfc_link_speed_init(phba, lpfc_link_speed);
- lpfc_fdmi_on_init(phba, lpfc_fdmi_on);
- lpfc_discovery_threads_init(phba, lpfc_discovery_threads);
- lpfc_max_luns_init(phba, lpfc_max_luns);
+ lpfc_poll_tmo_init(phba, lpfc_poll_tmo);
+ lpfc_enable_npiv_init(phba, lpfc_enable_npiv);
+ lpfc_use_msi_init(phba, lpfc_use_msi);
+ lpfc_fcp_imax_init(phba, lpfc_fcp_imax);
+ lpfc_fcp_wq_count_init(phba, lpfc_fcp_wq_count);
+ lpfc_fcp_eq_count_init(phba, lpfc_fcp_eq_count);
+ lpfc_enable_hba_reset_init(phba, lpfc_enable_hba_reset);
+ lpfc_enable_hba_heartbeat_init(phba, lpfc_enable_hba_heartbeat);
+ lpfc_enable_bg_init(phba, lpfc_enable_bg);
+ phba->cfg_poll = lpfc_poll;
+ phba->cfg_soft_wwnn = 0L;
+ phba->cfg_soft_wwpn = 0L;
+ lpfc_sg_seg_cnt_init(phba, lpfc_sg_seg_cnt);
+ lpfc_prot_sg_seg_cnt_init(phba, lpfc_prot_sg_seg_cnt);
+ lpfc_hba_queue_depth_init(phba, lpfc_hba_queue_depth);
+ lpfc_enable_fip_init(phba, lpfc_enable_fip);
+ lpfc_hba_log_verbose_init(phba, lpfc_log_verbose);
- /*
- * The total number of segments is the configuration value plus 2
- * since the IOCB need a command and response bde.
- */
- phba->cfg_sg_seg_cnt = LPFC_SG_SEG_CNT + 2;
+ return;
+}
- /*
- * Since the sg_tablesize is module parameter, the sg_dma_buf_size
- * used to create the sg_dma_buf_pool must be dynamically calculated
- */
- phba->cfg_sg_dma_buf_size = sizeof(struct fcp_cmnd) +
- sizeof(struct fcp_rsp) +
- (phba->cfg_sg_seg_cnt * sizeof(struct ulp_bde64));
-
- switch (phba->pcidev->device) {
- case PCI_DEVICE_ID_LP101:
- case PCI_DEVICE_ID_BSMB:
- case PCI_DEVICE_ID_ZSMB:
- phba->cfg_hba_queue_depth = LPFC_LP101_HBA_Q_DEPTH;
- break;
- case PCI_DEVICE_ID_RFLY:
- case PCI_DEVICE_ID_PFLY:
- case PCI_DEVICE_ID_BMID:
- case PCI_DEVICE_ID_ZMID:
- case PCI_DEVICE_ID_TFLY:
- phba->cfg_hba_queue_depth = LPFC_LC_HBA_Q_DEPTH;
- break;
- default:
- phba->cfg_hba_queue_depth = LPFC_DFT_HBA_Q_DEPTH;
- }
+/**
+ * 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_log_verbose_init(vport, lpfc_log_verbose);
+ lpfc_lun_queue_depth_init(vport, lpfc_lun_queue_depth);
+ lpfc_devloss_tmo_init(vport, lpfc_devloss_tmo);
+ lpfc_nodev_tmo_init(vport, lpfc_nodev_tmo);
+ lpfc_peer_port_login_init(vport, lpfc_peer_port_login);
+ 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);
+ lpfc_scan_down_init(vport, lpfc_scan_down);
+ lpfc_enable_da_id_init(vport, lpfc_enable_da_id);
return;
}
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff