From: Rob Evers <revers@redhat.com>
Date: Tue, 7 Apr 2009 15:24:21 -0400
Subject: [scsi] lpfc: update to version 8.2.0.38
Message-id: 20090407192149.14572.23381.sendpatchset@localhost.localdomain
O-Subject: [RHEL5.4 PATCH V3 1/4] Update lpfc to version 8.2.0.38
Bugzilla: 476738
https://bugzilla.redhat.com/show_bug.cgi?id=476738
Update lpfc from 8.2.0.33.3p to 8.2.0.38
--
diff --git a/drivers/scsi/lpfc/lpfc.h b/drivers/scsi/lpfc/lpfc.h
index 39262b8..75262ab 100644
--- a/drivers/scsi/lpfc/lpfc.h
+++ b/drivers/scsi/lpfc/lpfc.h
@@ -40,6 +40,8 @@ struct lpfc_sli2_slim;
#define LPFC_MIN_TGT_QDEPTH 100
#define LPFC_MAX_TGT_QDEPTH 0xFFFF
+#define LPFC_MAX_BUCKET_COUNT 20 /* Maximum no. of buckets for stat data
+ collection. */
/*
* Following time intervals are used of adjusting SCSI device
* queue depths when there are driver resource error or Firmware
@@ -513,6 +515,8 @@ struct lpfc_vport {
struct lpfc_debugfs_trc *disc_trc;
atomic_t disc_trc_cnt;
#endif
+ uint8_t stat_data_enabled;
+ uint8_t stat_data_blocked;
};
struct hbq_s {
@@ -626,6 +630,7 @@ struct lpfc_hba {
uint32_t cfg_enable_hba_reset;
uint32_t cfg_enable_hba_heartbeat;
uint32_t cfg_pci_max_read;
+ uint32_t cfg_hostmem_hgp;
lpfc_vpd_t vpd; /* vital product data */
@@ -766,6 +771,17 @@ struct lpfc_hba {
uint32_t buffer_tag_count;
int wait_4_mlo_maint_flg;
wait_queue_head_t wait_4_mlo_m_q;
+ /* data structure used for latency data collection */
+#define LPFC_NO_BUCKET 0
+#define LPFC_LINEAR_BUCKET 1
+#define LPFC_POWER2_BUCKET 2
+ uint8_t bucket_type;
+ uint32_t bucket_base;
+ uint32_t bucket_step;
+
+/* Maximum number of events that can be outstanding at any time*/
+#define LPFC_MAX_EVT_COUNT 512
+ atomic_t fast_event_count;
};
static inline struct Scsi_Host *
@@ -802,15 +818,3 @@ lpfc_worker_wake_up(struct lpfc_hba *phba)
return;
}
-#define FC_REG_DUMP_EVENT 0x10 /* Register for Dump events */
-#define FC_REG_TEMPERATURE_EVENT 0x20 /* Register for temperature
- event */
-
-struct temp_event {
- uint32_t event_type;
- uint32_t event_code;
- uint32_t data;
-};
-#define LPFC_CRIT_TEMP 0x1
-#define LPFC_THRESHOLD_TEMP 0x2
-#define LPFC_NORMAL_TEMP 0x3
diff --git a/drivers/scsi/lpfc/lpfc_attr.c b/drivers/scsi/lpfc/lpfc_attr.c
index 49c0693..9818398 100644
--- a/drivers/scsi/lpfc/lpfc_attr.c
+++ b/drivers/scsi/lpfc/lpfc_attr.c
@@ -32,6 +32,7 @@
#include "lpfc_hw.h"
#include "lpfc_sli.h"
+#include "lpfc_nl.h"
#include "lpfc_disc.h"
#include "lpfc_scsi.h"
#include "lpfc.h"
@@ -1681,6 +1682,16 @@ LPFC_VPORT_ATTR_R(lun_queue_depth, 30, 1, 128,
"Max number of FCP commands we can queue to a specific LUN");
/*
+# hostmem_hgp: This parameter is used to force driver to keep host group
+# pointers in host memory. When the parameter is set to zero, the driver
+# keeps the host group pointers in HBA memory otherwise the host group
+# pointers are kept in the host memory. Value range is [0,1]. Default value
+# is 0.
+*/
+LPFC_ATTR_R(hostmem_hgp, 0, 0, 1,
+ "Use host memory for host group pointers.");
+
+/*
# 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,
@@ -1823,6 +1834,332 @@ lpfc_param_store(topology)
static CLASS_DEVICE_ATTR(lpfc_topology, S_IRUGO | S_IWUSR,
lpfc_topology_show, lpfc_topology_store);
+
+/**
+ * lpfc_stat_data_ctrl_store: write call back for lpfc_stat_data_ctrl
+ * sysfs file.
+ * @cdev: 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 class_device *cdev, const char *buf,
+ size_t count)
+{
+ struct Scsi_Host *shost = class_to_shost(cdev);
+ struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
+ struct lpfc_hba *phba = vport->phba;
+#define LPFC_MAX_DATA_CTRL_LEN 1024
+ static char bucket_data[LPFC_MAX_DATA_CTRL_LEN];
+ unsigned long i;
+ char *str_ptr, *token;
+ struct lpfc_vport **vports;
+ struct Scsi_Host *v_shost;
+ char *bucket_type_str, *base_str, *step_str;
+ unsigned long base, step, bucket_type;
+
+ if (!strncmp(buf, "setbucket", strlen("setbucket"))) {
+ if (strlen(buf) > LPFC_MAX_DATA_CTRL_LEN)
+ return -EINVAL;
+
+ strcpy(bucket_data,buf);
+ str_ptr = &bucket_data[0];
+ /* Ignore this token - this is command token */
+ token = strsep(&str_ptr, "\t ");
+ if (!token)
+ return -EINVAL;
+
+ bucket_type_str = strsep(&str_ptr, "\t ");
+ if (!bucket_type_str)
+ return -EINVAL;
+
+ if (!strncmp(bucket_type_str, "linear", strlen("linear")))
+ bucket_type = LPFC_LINEAR_BUCKET;
+ else if (!strncmp(bucket_type_str, "power2", strlen("power2")))
+ bucket_type = LPFC_POWER2_BUCKET;
+ else
+ return -EINVAL;
+
+ base_str = strsep(&str_ptr, "\t ");
+ if (!base_str)
+ return -EINVAL;
+ base = simple_strtoul(base_str, NULL, 0);
+
+ step_str = strsep(&str_ptr, "\t ");
+ if (!step_str)
+ return -EINVAL;
+ step = simple_strtoul(step_str, NULL, 0);
+ if (!step)
+ return -EINVAL;
+
+ /* Block the data collection for every vport */
+ vports = lpfc_create_vport_work_array(phba);
+ if (vports == NULL)
+ return -ENOMEM;
+
+ for(i = 0; i <= phba->max_vpi && vports[i] != NULL; i++) {
+ v_shost = lpfc_shost_from_vport(vports[i]);
+ spin_lock_irq(v_shost->host_lock);
+ /* Block and reset data collection */
+ vports[i]->stat_data_blocked = 1;
+ if (vports[i]->stat_data_enabled)
+ lpfc_vport_reset_stat_data(vports[i]);
+ spin_unlock_irq(v_shost->host_lock);
+ }
+
+ /* Set the bucket attributes */
+ phba->bucket_type = bucket_type;
+ phba->bucket_base = base;
+ phba->bucket_step = step;
+
+ for(i = 0; i <= phba->max_vpi && vports[i] != NULL; i++) {
+ v_shost = lpfc_shost_from_vport(vports[i]);
+
+ /* Unblock data collection */
+ spin_lock_irq(v_shost->host_lock);
+ vports[i]->stat_data_blocked = 0;
+ spin_unlock_irq(v_shost->host_lock);
+ }
+ lpfc_destroy_vport_work_array(phba, vports);
+ return strlen(buf);
+ }
+
+ if (!strncmp(buf, "destroybucket", strlen("destroybucket"))) {
+ vports = lpfc_create_vport_work_array(phba);
+ if (vports == NULL)
+ return -ENOMEM;
+
+ for(i = 0; i <= phba->max_vpi && vports[i] != NULL;
+ i++) {
+ v_shost = lpfc_shost_from_vport(vports[i]);
+ spin_lock_irq(shost->host_lock);
+ vports[i]->stat_data_blocked = 1;
+ lpfc_free_bucket(vport);
+ vport->stat_data_enabled = 0;
+ vports[i]->stat_data_blocked = 0;
+ spin_unlock_irq(shost->host_lock);
+ }
+ lpfc_destroy_vport_work_array(phba, vports);
+ phba->bucket_type = LPFC_NO_BUCKET;
+ phba->bucket_base = 0;
+ phba->bucket_step = 0;
+ return strlen(buf);
+ }
+
+ if (!strncmp(buf, "start", strlen("start"))) {
+ /* If no buckets configured return error */
+ if (phba->bucket_type == LPFC_NO_BUCKET)
+ return -EINVAL;
+ spin_lock_irq(shost->host_lock);
+ if (vport->stat_data_enabled) {
+ spin_unlock_irq(shost->host_lock);
+ return strlen(buf);
+ }
+ lpfc_alloc_bucket(vport);
+ vport->stat_data_enabled = 1;
+ spin_unlock_irq(shost->host_lock);
+ return strlen(buf);
+ }
+
+ if (!strncmp(buf, "stop", strlen("stop"))) {
+ spin_lock_irq(shost->host_lock);
+ if (vport->stat_data_enabled == 0) {
+ spin_unlock_irq(shost->host_lock);
+ return strlen(buf);
+ }
+ lpfc_free_bucket(vport);
+ vport->stat_data_enabled = 0;
+ spin_unlock_irq(shost->host_lock);
+ return strlen(buf);
+ }
+
+ if (!strncmp(buf, "reset", strlen("reset"))) {
+ if ((phba->bucket_type == LPFC_NO_BUCKET)
+ || !vport->stat_data_enabled)
+ return strlen(buf);
+ spin_lock_irq(shost->host_lock);
+ vport->stat_data_blocked = 1;
+ lpfc_vport_reset_stat_data(vport);
+ vport->stat_data_blocked = 0;
+ spin_unlock_irq(shost->host_lock);
+ return strlen(buf);
+ }
+ return -EINVAL;
+}
+
+
+/**
+ * lpfc_stat_data_ctrl_show: Read callback function for
+ * lpfc_stat_data_ctrl sysfs file.
+ * @cdev: 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 class_device *cdev, char *buf)
+{
+ struct Scsi_Host *shost = class_to_shost(cdev);
+ 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 CLASS_DEVICE_ATTR(lpfc_stat_data_ctrl, S_IRUGO | S_IWUSR,
+ lpfc_stat_data_ctrl_show, lpfc_stat_data_ctrl_store);
+
+/*
+ * lpfc_drvr_stat_data: sysfs attr to get driver statistical data.
+ */
+
+/*
+ * Each Bucket takes 11 characters and 1 new line + 17 bytes WWN
+ * for each target.
+ */
+#define STAT_DATA_SIZE_PER_TARGET(NUM_BUCKETS) ((NUM_BUCKETS) * 11 + 18)
+#define MAX_STAT_DATA_SIZE_PER_TARGET \
+ STAT_DATA_SIZE_PER_TARGET(LPFC_MAX_BUCKET_COUNT)
+
+
+/**
+ * sysfs_drvr_stat_data_read: Read callback function for lpfc_drvr_stat_data
+ * sysfs attribute.
+ * @kobj: Pointer to the kernel object.
+ * @bin_attr: Attribute object.
+ * @buff: Buffer pointer.
+ * @off: File offset.
+ * @count:Buffer size.
+ *
+ * This function is the read call back function for lpfc_drvr_stat_data
+ * sysfs file. This function export the statistical data to user
+ * applications.
+ **/
+static ssize_t
+sysfs_drvr_stat_data_read(struct kobject *kobj, char *buf,
+ loff_t off, size_t count)
+{
+ struct class_device *cdev = container_of(kobj, struct class_device,
+ kobj);
+ struct Scsi_Host *shost = class_to_shost(cdev);
+ 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.
@@ -2226,6 +2563,8 @@ struct class_device_attribute *lpfc_hba_attrs[] = {
&class_device_attr_lpfc_enable_hba_heartbeat,
&class_device_attr_lpfc_sg_seg_cnt,
&class_device_attr_lpfc_max_scsicmpl_time,
+ &class_device_attr_lpfc_stat_data_ctrl,
+ &class_device_attr_lpfc_hostmem_hgp,
NULL,
};
@@ -2295,6 +2634,8 @@ struct class_device_attribute *lpfc_hba_attrs_no_npiv[] = {
&class_device_attr_auth_next,
&class_device_attr_lpfc_symbolic_name,
&class_device_attr_lpfc_max_scsicmpl_time,
+ &class_device_attr_lpfc_stat_data_ctrl,
+ &class_device_attr_lpfc_hostmem_hgp,
NULL,
};
@@ -2329,6 +2670,8 @@ struct class_device_attribute *lpfc_vport_attrs[] = {
&class_device_attr_auth_last,
&class_device_attr_auth_next,
&class_device_attr_lpfc_symbolic_name,
+ &class_device_attr_lpfc_stat_data_ctrl,
+ &class_device_attr_lpfc_hostmem_hgp,
NULL,
};
@@ -3204,9 +3547,16 @@ lpfc_alloc_sysfs_attr(struct lpfc_vport *vport)
int error;
error = sysfs_create_bin_file(&shost->shost_classdev.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(&shost->shost_classdev.kobj,
&sysfs_ctlreg_attr);
if (error)
- goto out;
+ goto out_remove_stat_attr;
error = sysfs_create_bin_file(&shost->shost_classdev.kobj,
&sysfs_mbox_attr);
@@ -3216,11 +3566,16 @@ lpfc_alloc_sysfs_attr(struct lpfc_vport *vport)
error = sysfs_create_bin_file(&shost->shost_classdev.kobj,
&sysfs_menlo_attr);
if (error)
- goto out_remove_ctlreg_attr;
+ goto out_remove_mbox_attr;
return 0;
+out_remove_mbox_attr:
+ sysfs_remove_bin_file(&shost->shost_classdev.kobj, &sysfs_mbox_attr);
out_remove_ctlreg_attr:
sysfs_remove_bin_file(&shost->shost_classdev.kobj, &sysfs_ctlreg_attr);
+out_remove_stat_attr:
+ sysfs_remove_bin_file(&shost->shost_classdev.kobj,
+ &sysfs_drvr_stat_data_attr);
out:
return error;
}
@@ -3229,7 +3584,11 @@ void
lpfc_free_sysfs_attr(struct lpfc_vport *vport)
{
struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
-
+ sysfs_remove_bin_file(&shost->shost_classdev.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_classdev.kobj, &sysfs_mbox_attr);
sysfs_remove_bin_file(&shost->shost_classdev.kobj, &sysfs_ctlreg_attr);
sysfs_remove_bin_file(&shost->shost_classdev.kobj, &sysfs_menlo_attr);
@@ -3759,6 +4118,7 @@ lpfc_get_cfgparam(struct lpfc_hba *phba)
lpfc_use_msi_init(phba, lpfc_use_msi);
lpfc_enable_hba_reset_init(phba, lpfc_enable_hba_reset);
lpfc_enable_hba_heartbeat_init(phba, lpfc_enable_hba_heartbeat);
+ lpfc_hostmem_hgp_init(phba, lpfc_hostmem_hgp);
lpfc_dev_loss_initiator_init(phba, lpfc_dev_loss_initiator);
phba->cfg_poll = lpfc_poll;
phba->cfg_soft_wwnn = 0L;
diff --git a/drivers/scsi/lpfc/lpfc_auth.c b/drivers/scsi/lpfc/lpfc_auth.c
index 4101836..6a5da93 100644
--- a/drivers/scsi/lpfc/lpfc_auth.c
+++ b/drivers/scsi/lpfc/lpfc_auth.c
@@ -27,6 +27,7 @@
#include "lpfc_hw.h"
#include "lpfc_sli.h"
+#include "lpfc_nl.h"
#include "lpfc_disc.h"
#include "lpfc.h"
#include "lpfc_crtn.h"
diff --git a/drivers/scsi/lpfc/lpfc_auth_access.c b/drivers/scsi/lpfc/lpfc_auth_access.c
index 9e95f66..cf36b17 100644
--- a/drivers/scsi/lpfc/lpfc_auth_access.c
+++ b/drivers/scsi/lpfc/lpfc_auth_access.c
@@ -40,6 +40,7 @@
#include "lpfc_hw.h"
#include "lpfc_sli.h"
+#include "lpfc_nl.h"
#include "lpfc_disc.h"
#include "lpfc_scsi.h"
#include "lpfc.h"
@@ -222,6 +223,9 @@ lpfc_fc_sc_request(struct lpfc_vport *vport,
memcpy(fc_nl_sc_msg->data, auth_req, auth_req_len);
fc_nl_sc_msg->tran_id = seq;
+ lpfc_fc_sc_add_timer(fc_sc_req, FC_SC_REQ_TIMEOUT,
+ lpfc_fc_sc_req_times_out);
+
spin_lock_irqsave(shost->host_lock, flags);
list_add_tail(&fc_sc_req->rlist, &vport->sc_response_wait_queue);
spin_unlock_irqrestore(shost->host_lock, flags);
@@ -229,8 +233,6 @@ lpfc_fc_sc_request(struct lpfc_vport *vport,
(SCSI_NL_VID_TYPE_PCI | PCI_VENDOR_ID_EMULEX),
(char *) fc_nl_sc_msg, len);
kfree(fc_nl_sc_msg);
- lpfc_fc_sc_add_timer(fc_sc_req, FC_SC_REQ_TIMEOUT,
- lpfc_fc_sc_req_times_out);
return 0;
}
diff --git a/drivers/scsi/lpfc/lpfc_crtn.h b/drivers/scsi/lpfc/lpfc_crtn.h
index 082dce7..198707c 100644
--- a/drivers/scsi/lpfc/lpfc_crtn.h
+++ b/drivers/scsi/lpfc/lpfc_crtn.h
@@ -28,6 +28,7 @@ int lpfc_issue_els_auth_reject(struct lpfc_vport *vport,
struct lpfc_nodelist *ndlp,
uint8_t reason, uint8_t explanation);
void lpfc_dump_mem(struct lpfc_hba *, LPFC_MBOXQ_t *, uint16_t);
+void lpfc_dump_wakeup_param(struct lpfc_hba *, LPFC_MBOXQ_t *);
void lpfc_read_nv(struct lpfc_hba *, LPFC_MBOXQ_t *);
void lpfc_config_async(struct lpfc_hba *, LPFC_MBOXQ_t *, uint32_t);
@@ -352,6 +353,12 @@ void lpfc_ramp_up_queue_handler(struct lpfc_hba *);
void lpfc_scsi_dev_block(struct lpfc_hba *);
void lpfc_scsi_dev_rescan(struct lpfc_hba *);
+void
+lpfc_send_els_failure_event(struct lpfc_hba *, struct lpfc_iocbq *,
+ struct lpfc_iocbq *);
+struct lpfc_fast_path_event * lpfc_alloc_fast_evt(struct lpfc_hba *);
+void lpfc_free_fast_evt(struct lpfc_hba *, struct lpfc_fast_path_event *);
+
#define ScsiResult(host_code, scsi_code) (((host_code) << 16) | scsi_code)
#define HBA_EVENT_RSCN 5
#define HBA_EVENT_LINK_UP 2
diff --git a/drivers/scsi/lpfc/lpfc_ct.c b/drivers/scsi/lpfc/lpfc_ct.c
index dd9225a..a959717 100644
--- a/drivers/scsi/lpfc/lpfc_ct.c
+++ b/drivers/scsi/lpfc/lpfc_ct.c
@@ -34,6 +34,7 @@
#include "lpfc_hw.h"
#include "lpfc_sli.h"
+#include "lpfc_nl.h"
#include "lpfc_disc.h"
#include "lpfc_scsi.h"
#include "lpfc.h"
@@ -559,18 +560,25 @@ lpfc_cmpl_ct_cmd_gid_ft(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
irsp->ulpStatus, irsp->un.ulpWord[4], vport->fc_ns_retry);
/* Don't bother processing response if vport is being torn down. */
- if (vport->load_flag & FC_UNLOADING)
+ if (vport->load_flag & FC_UNLOADING) {
+ if (vport->fc_flag & FC_RSCN_MODE)
+ lpfc_els_flush_rscn(vport);
goto out;
+ }
if (lpfc_els_chk_latt(vport)) {
lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
"0216 Link event during NS query\n");
+ if (vport->fc_flag & FC_RSCN_MODE)
+ lpfc_els_flush_rscn(vport);
lpfc_vport_set_state(vport, FC_VPORT_FAILED);
goto out;
}
if (lpfc_error_lost_link(irsp)) {
lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
"0226 NS query failed due to link event\n");
+ if (vport->fc_flag & FC_RSCN_MODE)
+ lpfc_els_flush_rscn(vport);
goto out;
}
if (irsp->ulpStatus) {
@@ -586,6 +594,8 @@ lpfc_cmpl_ct_cmd_gid_ft(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
if (rc == 0)
goto out;
}
+ if (vport->fc_flag & FC_RSCN_MODE)
+ lpfc_els_flush_rscn(vport);
lpfc_vport_set_state(vport, FC_VPORT_FAILED);
lpfc_printf_vlog(vport, KERN_ERR, LOG_ELS,
"0257 GID_FT Query error: 0x%x 0x%x\n",
diff --git a/drivers/scsi/lpfc/lpfc_debugfs.c b/drivers/scsi/lpfc/lpfc_debugfs.c
index a0af4a1..210275b 100644
--- a/drivers/scsi/lpfc/lpfc_debugfs.c
+++ b/drivers/scsi/lpfc/lpfc_debugfs.c
@@ -36,6 +36,7 @@
#include "lpfc_hw.h"
#include "lpfc_sli.h"
+#include "lpfc_nl.h"
#include "lpfc_disc.h"
#include "lpfc_scsi.h"
#include "lpfc.h"
diff --git a/drivers/scsi/lpfc/lpfc_disc.h b/drivers/scsi/lpfc/lpfc_disc.h
index d0614c1..cdf9e77 100644
--- a/drivers/scsi/lpfc/lpfc_disc.h
+++ b/drivers/scsi/lpfc/lpfc_disc.h
@@ -39,6 +39,7 @@ enum lpfc_work_type {
LPFC_EVT_DEV_LOSS_DELAY,
LPFC_EVT_DEV_LOSS,
LPFC_EVT_REAUTH,
+ LPFC_EVT_FASTPATH_MGMT_EVT,
};
/* structure used to queue event to the discovery tasklet */
@@ -49,6 +50,24 @@ struct lpfc_work_evt {
enum lpfc_work_type evt;
};
+struct lpfc_scsi_check_condition_event;
+struct lpfc_scsi_varqueuedepth_event;
+struct lpfc_scsi_event_header;
+struct lpfc_fabric_event_header;
+struct lpfc_fcprdchkerr_event;
+
+/* structure used for sending events from fast path */
+struct lpfc_fast_path_event {
+ struct lpfc_work_evt work_evt;
+ struct lpfc_vport *vport;
+ union {
+ struct lpfc_scsi_check_condition_event check_cond_evt;
+ struct lpfc_scsi_varqueuedepth_event queue_depth_evt;
+ struct lpfc_scsi_event_header scsi_evt;
+ struct lpfc_fabric_event_header fabric_evt;
+ struct lpfc_fcprdchkerr_event read_check_error;
+ } un;
+};
struct lpfc_nodelist {
struct list_head nlp_listp;
@@ -84,6 +103,7 @@ struct lpfc_nodelist {
struct timer_list nlp_delayfunc; /* Used for delayed ELS cmds */
struct timer_list nlp_reauth_tmr; /* Used for re-authentication */
struct timer_list nlp_initiator_tmr; /* Used with dev_loss */
+ struct lpfc_hba *phba;
struct fc_rport *rport; /* Corresponding FC transport
port structure */
struct lpfc_vport *vport;
@@ -97,7 +117,8 @@ struct lpfc_nodelist {
atomic_t cmd_pending;
uint32_t cmd_qdepth;
unsigned long last_change_time;
-};
+ struct lpfc_scsicmd_bkt *lat_data; /* Latency data */
+} ;
/* Defines for nlp_flag (uint32) */
#define NLP_PLOGI_SND 0x00000020 /* sent PLOGI request for this entry */
diff --git a/drivers/scsi/lpfc/lpfc_els.c b/drivers/scsi/lpfc/lpfc_els.c
index 6303207..43845a3 100644
--- a/drivers/scsi/lpfc/lpfc_els.c
+++ b/drivers/scsi/lpfc/lpfc_els.c
@@ -30,6 +30,7 @@
#include "lpfc_hw.h"
#include "lpfc_sli.h"
+#include "lpfc_nl.h"
#include "lpfc_disc.h"
#include "lpfc_scsi.h"
#include "lpfc.h"
@@ -3082,27 +3083,21 @@ lpfc_rscn_payload_check(struct lpfc_vport *vport, uint32_t did)
while (payload_len) {
rscn_did.un.word = be32_to_cpu(*lp++);
payload_len -= sizeof(uint32_t);
- switch (rscn_did.un.b.resv) {
- case 0: /* Single N_Port ID effected */
+ switch (rscn_did.un.b.resv & RSCN_ADDRESS_FORMAT_MASK) {
+ case RSCN_ADDRESS_FORMAT_PORT:
if (ns_did.un.word == rscn_did.un.word)
goto return_did_out;
break;
- case 1: /* Whole N_Port Area effected */
+ case RSCN_ADDRESS_FORMAT_AREA:
if ((ns_did.un.b.domain == rscn_did.un.b.domain)
&& (ns_did.un.b.area == rscn_did.un.b.area))
goto return_did_out;
break;
- case 2: /* Whole N_Port Domain effected */
+ case RSCN_ADDRESS_FORMAT_DOMAIN:
if (ns_did.un.b.domain == rscn_did.un.b.domain)
goto return_did_out;
break;
- default:
- /* Unknown Identifier in RSCN node */
- lpfc_printf_vlog(vport, KERN_ERR, LOG_DISCOVERY,
- "0217 Unknown Identifier in "
- "RSCN payload Data: x%x\n",
- rscn_did.un.word);
- case 3: /* Whole Fabric effected */
+ case RSCN_ADDRESS_FORMAT_FABRIC:
goto return_did_out;
}
}
@@ -3134,6 +3129,71 @@ lpfc_rscn_recovery_check(struct lpfc_vport *vport)
return 0;
}
+/**
+ * lpfc_send_rscn_event: Send an RSCN event to management application.
+ * @vport: pointer to a host virtual N_Port data structure.
+ * @cmdiocb: pointer to lpfc command iocb data structure.
+ *
+ * lpfc_send_rscn_event sends an RSCN netlink event to management
+ * applications.
+ */
+static void
+lpfc_send_rscn_event(struct lpfc_vport *vport,
+ struct lpfc_iocbq *cmdiocb)
+{
+ struct lpfc_dmabuf *pcmd;
+ struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
+ uint32_t *payload_ptr;
+ uint32_t payload_len;
+ struct lpfc_rscn_event_header *rscn_event_data;
+
+ pcmd = (struct lpfc_dmabuf *) cmdiocb->context2;
+ payload_ptr = (uint32_t *) pcmd->virt;
+ payload_len = be32_to_cpu(*payload_ptr & ~ELS_CMD_MASK);
+
+ rscn_event_data = kmalloc(sizeof(struct lpfc_rscn_event_header) +
+ payload_len, GFP_KERNEL);
+ if (!rscn_event_data) {
+ lpfc_printf_vlog(vport, KERN_ERR, LOG_ELS,
+ "0147 Failed to allocate memory for RSCN event\n");
+ return;
+ }
+ rscn_event_data->event_type = FC_REG_RSCN_EVENT;
+ rscn_event_data->payload_length = payload_len;
+ memcpy(rscn_event_data->rscn_payload, payload_ptr,
+ payload_len);
+
+ fc_host_post_vendor_event(shost,
+ fc_get_event_number(),
+ sizeof(struct lpfc_els_event_header) + payload_len,
+ (char *)rscn_event_data,
+ LPFC_NL_VENDOR_ID);
+
+ kfree(rscn_event_data);
+}
+
+/**
+ * lpfc_els_rcv_rscn: Process an unsolicited rscn iocb.
+ * @vport: pointer to a host virtual N_Port data structure.
+ * @cmdiocb: pointer to lpfc command iocb data structure.
+ * @ndlp: pointer to a node-list data structure.
+ *
+ * This routine processes an unsolicited RSCN (Registration State Change
+ * Notification) IOCB. First, the payload of the unsolicited RSCN is walked
+ * to invoke fc_host_post_event() routine to the FC transport layer. If the
+ * discover state machine is about to begin discovery, it just accepts the
+ * RSCN and the discovery process will satisfy the RSCN. If this RSCN only
+ * contains N_Port IDs for other vports on this HBA, it just accepts the
+ * RSCN and ignore processing it. If the state machine is in the recovery
+ * state, the fc_rscn_id_list of this @vport is walked and the
+ * lpfc_rscn_recovery_check() routine is invoked to send recovery event for
+ * all nodes that match RSCN payload. Otherwise, the lpfc_els_handle_rscn()
+ * routine is invoked to handle the RSCN event.
+ *
+ * Return code
+ * 0 - Just sent the acc response
+ * 1 - Sent the acc response and waited for name server completion
+ **/
static int
lpfc_els_rcv_rscn(struct lpfc_vport *vport, struct lpfc_iocbq *cmdiocb,
struct lpfc_nodelist *ndlp)
@@ -3159,6 +3219,10 @@ lpfc_els_rcv_rscn(struct lpfc_vport *vport, struct lpfc_iocbq *cmdiocb,
"0214 RSCN received Data: x%x x%x x%x x%x\n",
vport->fc_flag, payload_len, *lp,
vport->fc_rscn_id_cnt);
+
+ /* Send an RSCN event to the management application */
+ lpfc_send_rscn_event(vport, cmdiocb);
+
for (i = 0; i < payload_len/sizeof(uint32_t); i++)
fc_host_post_event(shost, fc_get_event_number(),
FCH_EVT_RSCN, lp[i]);
@@ -3892,10 +3956,6 @@ lpfc_els_timeout_handler(struct lpfc_vport *vport)
uint32_t timeout;
uint32_t remote_ID = 0xffffffff;
- /* If the timer is already canceled do nothing */
- if ((vport->work_port_events & WORKER_ELS_TMO) == 0) {
- return;
- }
spin_lock_irq(&phba->hbalock);
timeout = (uint32_t)(phba->fc_ratov << 1);
@@ -4415,6 +4475,153 @@ lpfc_els_rcv_chap_suc(struct lpfc_vport *vport, struct lpfc_iocbq *cmdiocb,
}
vport->auth.direction |= AUTH_DIRECTION_REMOTE;
}
+
+/**
+ * lpfc_send_els_failure_event: Posts an ELS command failure event.
+ * @phba: Pointer to hba context object.
+ * @cmdiocbp: Pointer to command iocb which reported error.
+ * @rspiocbp: Pointer to response iocb which reported error.
+ *
+ * This function sends an event when there is an ELS command
+ * failure.
+ **/
+void
+lpfc_send_els_failure_event(struct lpfc_hba *phba,
+ struct lpfc_iocbq *cmdiocbp,
+ struct lpfc_iocbq *rspiocbp)
+{
+ struct lpfc_vport *vport = cmdiocbp->vport;
+ struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
+ struct lpfc_lsrjt_event lsrjt_event;
+ struct lpfc_fabric_event_header fabric_event;
+ struct ls_rjt stat;
+ struct lpfc_nodelist *ndlp;
+ uint32_t *pcmd;
+
+ ndlp = cmdiocbp->context1;
+ if (!ndlp || !NLP_CHK_NODE_ACT(ndlp))
+ return;
+
+ if (rspiocbp->iocb.ulpStatus == IOSTAT_LS_RJT) {
+ lsrjt_event.header.event_type = FC_REG_ELS_EVENT;
+ lsrjt_event.header.subcategory = LPFC_EVENT_LSRJT_RCV;
+ memcpy(lsrjt_event.header.wwpn, &ndlp->nlp_portname,
+ sizeof(struct lpfc_name));
+ memcpy(lsrjt_event.header.wwnn, &ndlp->nlp_nodename,
+ sizeof(struct lpfc_name));
+ pcmd = (uint32_t *) (((struct lpfc_dmabuf *)
+ cmdiocbp->context2)->virt);
+ lsrjt_event.command = *pcmd;
+ stat.un.lsRjtError = be32_to_cpu(rspiocbp->iocb.un.ulpWord[4]);
+ lsrjt_event.reason_code = stat.un.b.lsRjtRsnCode;
+ lsrjt_event.explanation = stat.un.b.lsRjtRsnCodeExp;
+ fc_host_post_vendor_event(shost,
+ fc_get_event_number(),
+ sizeof(lsrjt_event),
+ (char *)&lsrjt_event,
+ LPFC_NL_VENDOR_ID);
+ return;
+ }
+ if ((rspiocbp->iocb.ulpStatus == IOSTAT_NPORT_BSY) ||
+ (rspiocbp->iocb.ulpStatus == IOSTAT_FABRIC_BSY)) {
+ fabric_event.event_type = FC_REG_FABRIC_EVENT;
+ if (rspiocbp->iocb.ulpStatus == IOSTAT_NPORT_BSY)
+ fabric_event.subcategory = LPFC_EVENT_PORT_BUSY;
+ else
+ fabric_event.subcategory = LPFC_EVENT_FABRIC_BUSY;
+ memcpy(fabric_event.wwpn, &ndlp->nlp_portname,
+ sizeof(struct lpfc_name));
+ memcpy(fabric_event.wwnn, &ndlp->nlp_nodename,
+ sizeof(struct lpfc_name));
+ fc_host_post_vendor_event(shost,
+ fc_get_event_number(),
+ sizeof(fabric_event),
+ (char *)&fabric_event,
+ LPFC_NL_VENDOR_ID);
+ return;
+ }
+
+}
+
+/**
+ * lpfc_send_els_event: Posts unsolicited els event.
+ * @vport: Pointer to vport object.
+ * @ndlp: Pointer FC node object.
+ * @cmd: ELS command code.
+ *
+ * This function posts an event when there is an incoming
+ * unsolicited ELS command.
+ **/
+static void
+lpfc_send_els_event(struct lpfc_vport *vport,
+ struct lpfc_nodelist *ndlp,
+ uint32_t *payload)
+{
+ struct lpfc_els_event_header *els_data = NULL;
+ struct lpfc_logo_event *logo_data = NULL;
+ struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
+
+ if (*payload == ELS_CMD_LOGO) {
+ logo_data = kmalloc(sizeof(struct lpfc_logo_event), GFP_KERNEL);
+ if (!logo_data) {
+ lpfc_printf_vlog(vport, KERN_ERR, LOG_ELS,
+ "0148 Failed to allocate memory "
+ "for LOGO event\n");
+ return;
+ }
+ els_data = &logo_data->header;
+ } else {
+ els_data = kmalloc(sizeof(struct lpfc_els_event_header),
+ GFP_KERNEL);
+ if (!els_data) {
+ lpfc_printf_vlog(vport, KERN_ERR, LOG_ELS,
+ "0149 Failed to allocate memory "
+ "for ELS event\n");
+ return;
+ }
+ }
+ els_data->event_type = FC_REG_ELS_EVENT;
+ switch (*payload) {
+ case ELS_CMD_PLOGI:
+ els_data->subcategory = LPFC_EVENT_PLOGI_RCV;
+ break;
+ case ELS_CMD_PRLO:
+ els_data->subcategory = LPFC_EVENT_PRLO_RCV;
+ break;
+ case ELS_CMD_ADISC:
+ els_data->subcategory = LPFC_EVENT_ADISC_RCV;
+ break;
+ case ELS_CMD_LOGO:
+ els_data->subcategory = LPFC_EVENT_LOGO_RCV;
+ /* Copy the WWPN in the LOGO payload */
+ memcpy(logo_data->logo_wwpn, &payload[2],
+ sizeof(struct lpfc_name));
+ break;
+ default:
+ return;
+ }
+ memcpy(els_data->wwpn, &ndlp->nlp_portname, sizeof(struct lpfc_name));
+ memcpy(els_data->wwnn, &ndlp->nlp_nodename, sizeof(struct lpfc_name));
+ if (*payload == ELS_CMD_LOGO) {
+ fc_host_post_vendor_event(shost,
+ fc_get_event_number(),
+ sizeof(struct lpfc_logo_event),
+ (char *)logo_data,
+ LPFC_NL_VENDOR_ID);
+ kfree(logo_data);
+ } else {
+ fc_host_post_vendor_event(shost,
+ fc_get_event_number(),
+ sizeof(struct lpfc_els_event_header),
+ (char *)els_data,
+ LPFC_NL_VENDOR_ID);
+ kfree(els_data);
+ }
+
+ return;
+}
+
+
static void
lpfc_els_unsol_buffer(struct lpfc_hba *phba, struct lpfc_sli_ring *pring,
struct lpfc_vport *vport, struct lpfc_iocbq *elsiocb)
@@ -4502,6 +4709,7 @@ lpfc_els_unsol_buffer(struct lpfc_hba *phba, struct lpfc_sli_ring *pring,
phba->fc_stat.elsRcvPLOGI++;
ndlp = lpfc_plogi_confirm_nport(phba, payload, ndlp);
+ lpfc_send_els_event(vport, ndlp, payload);
if (vport->port_state < LPFC_DISC_AUTH) {
if (!(phba->pport->fc_flag & FC_PT2PT) ||
(phba->pport->fc_flag & FC_PT2PT_PLOGI)) {
@@ -4539,6 +4747,7 @@ lpfc_els_unsol_buffer(struct lpfc_hba *phba, struct lpfc_sli_ring *pring,
did, vport->port_state, ndlp->nlp_flag);
phba->fc_stat.elsRcvLOGO++;
+ lpfc_send_els_event(vport, ndlp, payload);
if (vport->port_state < LPFC_DISC_AUTH) {
rjt_err = LSRJT_UNABLE_TPC;
break;
@@ -4551,6 +4760,7 @@ lpfc_els_unsol_buffer(struct lpfc_hba *phba, struct lpfc_sli_ring *pring,
did, vport->port_state, ndlp->nlp_flag);
phba->fc_stat.elsRcvPRLO++;
+ lpfc_send_els_event(vport, ndlp, payload);
if (vport->port_state < LPFC_DISC_AUTH) {
rjt_err = LSRJT_UNABLE_TPC;
break;
@@ -4568,6 +4778,7 @@ lpfc_els_unsol_buffer(struct lpfc_hba *phba, struct lpfc_sli_ring *pring,
"RCV ADISC: did:x%x/ste:x%x flg:x%x",
did, vport->port_state, ndlp->nlp_flag);
+ lpfc_send_els_event(vport, ndlp, payload);
phba->fc_stat.elsRcvADISC++;
if (vport->port_state < LPFC_DISC_AUTH) {
rjt_err = LSRJT_UNABLE_TPC;
@@ -5460,7 +5671,7 @@ void lpfc_fabric_abort_vport(struct lpfc_vport *vport)
void lpfc_fabric_abort_nport(struct lpfc_nodelist *ndlp)
{
LIST_HEAD(completions);
- struct lpfc_hba *phba = ndlp->vport->phba;
+ struct lpfc_hba *phba = ndlp->phba;
struct lpfc_iocbq *tmp_iocb, *piocb;
struct lpfc_sli_ring *pring = &phba->sli.ring[LPFC_ELS_RING];
IOCB_t *cmd;
diff --git a/drivers/scsi/lpfc/lpfc_hbadisc.c b/drivers/scsi/lpfc/lpfc_hbadisc.c
index ea5de1a..380e154 100644
--- a/drivers/scsi/lpfc/lpfc_hbadisc.c
+++ b/drivers/scsi/lpfc/lpfc_hbadisc.c
@@ -30,6 +30,7 @@
#include <scsi/scsi_transport_fc.h>
#include "lpfc_hw.h"
+#include "lpfc_nl.h"
#include "lpfc_disc.h"
#include "lpfc_sli.h"
#include "lpfc_scsi.h"
@@ -122,7 +123,7 @@ lpfc_terminate_rport_io(struct fc_rport *rport)
return;
}
- phba = ndlp->vport->phba;
+ phba = ndlp->phba;
lpfc_debugfs_disc_trc(ndlp->vport, LPFC_DISC_TRC_RPORT,
"rport terminate: sid:x%x did:x%x flg:x%x",
@@ -361,6 +362,124 @@ lpfc_dev_loss_tmo_handler(struct lpfc_nodelist *ndlp)
lpfc_disc_state_machine(vport, ndlp, NULL, NLP_EVT_DEVICE_RM);
}
+/**
+ * lpfc_alloc_fast_evt: Allocates data structure for posting event.
+ * @phba: Pointer to hba context object.
+ *
+ * This function is called from the functions which need to post
+ * events from interrupt context. This function allocates data
+ * structure required for posting event. It also keeps track of
+ * number of events pending and prevent event storm when there are
+ * too many events.
+ **/
+struct lpfc_fast_path_event *
+lpfc_alloc_fast_evt(struct lpfc_hba *phba) {
+ struct lpfc_fast_path_event *ret;
+
+ /* If there are lot of fast event do not exhaust memory due to this */
+ if (atomic_read(&phba->fast_event_count) > LPFC_MAX_EVT_COUNT)
+ return NULL;
+
+ ret = kzalloc(sizeof(struct lpfc_fast_path_event),
+ GFP_ATOMIC);
+ if (ret)
+ atomic_inc(&phba->fast_event_count);
+ INIT_LIST_HEAD(&ret->work_evt.evt_listp);
+ ret->work_evt.evt = LPFC_EVT_FASTPATH_MGMT_EVT;
+ return ret;
+}
+
+/**
+ * lpfc_free_fast_evt: Frees event data structure.
+ * @phba: Pointer to hba context object.
+ * @evt: Event object which need to be freed.
+ *
+ * This function frees the data structure required for posting
+ * events.
+ **/
+void
+lpfc_free_fast_evt(struct lpfc_hba *phba,
+ struct lpfc_fast_path_event *evt) {
+
+ atomic_dec(&phba->fast_event_count);
+ kfree(evt);
+}
+
+/**
+ * lpfc_send_fastpath_evt: Posts events generated from fast path.
+ * @phba: Pointer to hba context object.
+ * @evtp: Event data structure.
+ *
+ * This function is called from worker thread, when the interrupt
+ * context need to post an event. This function posts the event
+ * to fc transport netlink interface.
+ **/
+static void
+lpfc_send_fastpath_evt(struct lpfc_hba *phba,
+ struct lpfc_work_evt *evtp)
+{
+ unsigned long evt_category, evt_sub_category;
+ struct lpfc_fast_path_event *fast_evt_data;
+ char *evt_data;
+ uint32_t evt_data_size;
+ struct Scsi_Host *shost;
+
+ fast_evt_data = container_of(evtp, struct lpfc_fast_path_event,
+ work_evt);
+
+ evt_category = (unsigned long) fast_evt_data->un.fabric_evt.event_type;
+ evt_sub_category = (unsigned long) fast_evt_data->un.
+ fabric_evt.subcategory;
+ shost = lpfc_shost_from_vport(fast_evt_data->vport);
+ if (evt_category == FC_REG_FABRIC_EVENT) {
+ if (evt_sub_category == LPFC_EVENT_FCPRDCHKERR) {
+ evt_data = (char *) &fast_evt_data->un.read_check_error;
+ evt_data_size = sizeof(fast_evt_data->un.
+ read_check_error);
+ } else if ((evt_sub_category == LPFC_EVENT_FABRIC_BUSY) ||
+ (evt_sub_category == LPFC_EVENT_PORT_BUSY)) {
+ evt_data = (char *) &fast_evt_data->un.fabric_evt;
+ evt_data_size = sizeof(fast_evt_data->un.fabric_evt);
+ } else {
+ lpfc_free_fast_evt(phba, fast_evt_data);
+ return;
+ }
+ } else if (evt_category == FC_REG_SCSI_EVENT) {
+ switch (evt_sub_category) {
+ case LPFC_EVENT_QFULL:
+ case LPFC_EVENT_DEVBSY:
+ evt_data = (char *) &fast_evt_data->un.scsi_evt;
+ evt_data_size = sizeof(fast_evt_data->un.scsi_evt);
+ break;
+ case LPFC_EVENT_CHECK_COND:
+ evt_data = (char *) &fast_evt_data->un.check_cond_evt;
+ evt_data_size = sizeof(fast_evt_data->un.
+ check_cond_evt);
+ break;
+ case LPFC_EVENT_VARQUEDEPTH:
+ evt_data = (char *) &fast_evt_data->un.queue_depth_evt;
+ evt_data_size = sizeof(fast_evt_data->un.
+ queue_depth_evt);
+ break;
+ default:
+ lpfc_free_fast_evt(phba, fast_evt_data);
+ return;
+ }
+ } else {
+ lpfc_free_fast_evt(phba, fast_evt_data);
+ return;
+ }
+
+ fc_host_post_vendor_event(shost,
+ fc_get_event_number(),
+ evt_data_size,
+ evt_data,
+ LPFC_NL_VENDOR_ID);
+
+ lpfc_free_fast_evt(phba, fast_evt_data);
+ return;
+}
+
static void
lpfc_work_list_done(struct lpfc_hba *phba)
{
@@ -469,6 +588,10 @@ lpfc_work_list_done(struct lpfc_hba *phba)
lpfc_unblock_mgmt_io(phba);
complete((struct completion *)(evtp->evt_arg2));
break;
+ case LPFC_EVT_FASTPATH_MGMT_EVT:
+ lpfc_send_fastpath_evt(phba, evtp);
+ free_evt = 0;
+ break;
}
if (free_evt)
kfree(evtp);
@@ -1725,6 +1848,21 @@ lpfc_nlp_state_cleanup(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp,
*/
lpfc_register_remote_port(vport, ndlp);
}
+ if ((new_state == NLP_STE_MAPPED_NODE) &&
+ (vport->stat_data_enabled)) {
+ /*
+ * A new target is discovered, if there is no buffer for
+ * statistical data collection allocate buffer.
+ */
+ ndlp->lat_data = kzalloc(LPFC_MAX_BUCKET_COUNT *
+ sizeof(struct lpfc_scsicmd_bkt), GFP_KERNEL);
+
+ if (!ndlp->lat_data)
+ lpfc_printf_vlog(vport, KERN_ERR, LOG_NODE,
+ "0286 lpfc_nlp_state_cleanup failed to "
+ "allocate statistical data buffer DID "
+ "0x%x\n", ndlp->nlp_DID);
+ }
/*
* if we added to Mapped list, but the remote port
* registration failed or assigned a target id outside
@@ -1842,9 +1980,14 @@ lpfc_disable_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp)
* @vport: Pointer to Virtual Port object.
* @ndlp: Pointer to FC node object.
* @did: FC_ID of the node.
- * This function is always called when node object need to
- * be initialized. It initializes all the fields of the node
- * object.
+ *
+ * This function is always called when node object need to be initialized.
+ * It initializes all the fields of the node object. Although the reference
+ * to phba from @ndlp can be obtained indirectly through it's reference to
+ * @vport, a direct reference to phba is taken here by @ndlp. This is due
+ * to the life-span of the @ndlp might go beyond the existence of @vport as
+ * the final release of ndlp is determined by its reference count. And, the
+ * operation on @ndlp needs the reference to phba.
**/
static inline void
lpfc_initialize_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp,
@@ -1865,6 +2008,7 @@ lpfc_initialize_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp,
ndlp->nlp_reauth_tmr.data = (unsigned long)ndlp;
ndlp->unreg_time = jiffies;
ndlp->vport = vport;
+ ndlp->phba = vport->phba;
ndlp->nlp_sid = NLP_NO_SID;
kref_init(&ndlp->kref);
NLP_INT_NODE_ACT(ndlp);
@@ -3245,14 +3389,17 @@ lpfc_nlp_release(struct kref *kref)
lpfc_nlp_remove(ndlp->vport, ndlp);
/* clear the ndlp active flag for all release cases */
- phba = ndlp->vport->phba;
+ phba = ndlp->phba;
spin_lock_irqsave(&phba->ndlp_lock, flags);
NLP_CLR_NODE_ACT(ndlp);
spin_unlock_irqrestore(&phba->ndlp_lock, flags);
/* free ndlp memory for final ndlp release */
- if (NLP_CHK_FREE_REQ(ndlp))
- mempool_free(ndlp, ndlp->vport->phba->nlp_mem_pool);
+ if (NLP_CHK_FREE_REQ(ndlp)) {
+ if (ndlp->lat_data)
+ kfree(ndlp->lat_data);
+ mempool_free(ndlp, ndlp->phba->nlp_mem_pool);
+ }
}
/* This routine bumps the reference count for a ndlp structure to ensure
@@ -3274,7 +3421,7 @@ lpfc_nlp_get(struct lpfc_nodelist *ndlp)
* ndlp reference count that is in the process of being
* released.
*/
- phba = ndlp->vport->phba;
+ phba = ndlp->phba;
spin_lock_irqsave(&phba->ndlp_lock, flags);
if (!NLP_CHK_NODE_ACT(ndlp) || NLP_CHK_FREE_ACK(ndlp)) {
spin_unlock_irqrestore(&phba->ndlp_lock, flags);
@@ -3310,7 +3457,7 @@ lpfc_nlp_put(struct lpfc_nodelist *ndlp)
"node put: did:x%x flg:x%x refcnt:x%x",
ndlp->nlp_DID, ndlp->nlp_flag,
atomic_read(&ndlp->kref.refcount));
- phba = ndlp->vport->phba;
+ phba = ndlp->phba;
spin_lock_irqsave(&phba->ndlp_lock, flags);
/* Check the ndlp memory free acknowledge flag to avoid the
* possible race condition that kref_put got invoked again
diff --git a/drivers/scsi/lpfc/lpfc_hw.h b/drivers/scsi/lpfc/lpfc_hw.h
index c5de318..a0d1606 100644
--- a/drivers/scsi/lpfc/lpfc_hw.h
+++ b/drivers/scsi/lpfc/lpfc_hw.h
@@ -66,6 +66,9 @@
#define BUF_SZ_4K 4096
+/* vendor ID used in SCSI netlink calls */
+#define LPFC_NL_VENDOR_ID (SCSI_NL_VID_TYPE_PCI | PCI_VENDOR_ID_EMULEX)
+
/* Common Transport structures and definitions */
union CtRevisionId {
@@ -891,6 +894,12 @@ typedef struct _D_ID { /* Structure is in Big Endian format */
} un;
} D_ID;
+#define RSCN_ADDRESS_FORMAT_PORT 0x0
+#define RSCN_ADDRESS_FORMAT_AREA 0x1
+#define RSCN_ADDRESS_FORMAT_DOMAIN 0x2
+#define RSCN_ADDRESS_FORMAT_FABRIC 0x3
+#define RSCN_ADDRESS_FORMAT_MASK 0x3
+
/*
* Structure to define all ELS Payload types
*/
@@ -2382,6 +2391,30 @@ typedef struct {
#define DMP_RSP_OFFSET 0x14 /* word 5 contains first word of rsp */
#define DMP_RSP_SIZE 0x6C /* maximum of 27 words of rsp data */
+#define WAKE_UP_PARMS_REGION_ID 4
+#define WAKE_UP_PARMS_WORD_SIZE 15
+
+/* Option rom version structure */
+struct prog_id {
+#ifdef __BIG_ENDIAN_BITFIELD
+ uint8_t type;
+ uint8_t id;
+ uint32_t ver:4; /* Major Version */
+ uint32_t rev:4; /* Revision */
+ uint32_t lev:2; /* Level */
+ uint32_t dist:2; /* Dist Type */
+ uint32_t num:4; /* number after dist type */
+#else /* __LITTLE_ENDIAN_BITFIELD */
+ uint32_t num:4; /* number after dist type */
+ uint32_t dist:2; /* Dist Type */
+ uint32_t lev:2; /* Level */
+ uint32_t rev:4; /* Revision */
+ uint32_t ver:4; /* Major Version */
+ uint8_t id;
+ uint8_t type;
+#endif
+};
+
/* Structure for MB Command UPDATE_CFG (0x1B) */
struct update_cfg_var {
diff --git a/drivers/scsi/lpfc/lpfc_init.c b/drivers/scsi/lpfc/lpfc_init.c
index 486bd0f..ef0e329 100644
--- a/drivers/scsi/lpfc/lpfc_init.c
+++ b/drivers/scsi/lpfc/lpfc_init.c
@@ -36,6 +36,7 @@
#include "lpfc_hw.h"
#include "lpfc_sli.h"
+#include "lpfc_nl.h"
#include "lpfc_disc.h"
#include "lpfc_scsi.h"
#include "lpfc.h"
@@ -259,6 +260,51 @@ lpfc_config_async_cmpl(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmboxq)
return;
}
+/**
+ * lpfc_dump_wakeup_param_cmpl: Completion handler for dump memory mailbox
+ * command used for getting wake up parameters.
+ * @phba: pointer to lpfc hba data structure.
+ * @pmboxq: pointer to the driver internal queue element for mailbox command.
+ *
+ * This is the completion handler for dump mailbox command for getting
+ * wake up parameters. When this command complete, the response contain
+ * Option rom version of the HBA. This function translate the version number
+ * into a human readable string and store it in OptionROMVersion.
+ **/
+static void
+lpfc_dump_wakeup_param_cmpl(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmboxq)
+{
+ struct prog_id *prg;
+ uint32_t prog_id_word;
+ char dist = ' ';
+ /* character array used for decoding dist type. */
+ char dist_char[] = "nabx";
+
+ if (pmboxq->mb.mbxStatus != MBX_SUCCESS) {
+ mempool_free(pmboxq, phba->mbox_mem_pool);
+ return;
+ }
+
+ prg = (struct prog_id *) &prog_id_word;
+
+ /* word 7 contain option rom version */
+ prog_id_word = pmboxq->mb.un.varWords[7];
+
+ /* Decode the Option rom version word to a readable string */
+ if (prg->dist < 4)
+ dist = dist_char[prg->dist];
+
+ if ((prg->dist == 3) && (prg->num == 0))
+ sprintf(phba->OptionROMVersion, "%d.%d%d",
+ prg->ver, prg->rev, prg->lev);
+ else
+ sprintf(phba->OptionROMVersion, "%d.%d%d%c%d",
+ prg->ver, prg->rev, prg->lev,
+ dist, prg->num);
+ mempool_free(pmboxq, phba->mbox_mem_pool);
+ return;
+}
+
/************************************************************************/
/* */
/* lpfc_config_port_post */
@@ -273,6 +319,7 @@ int
lpfc_config_port_post(struct lpfc_hba *phba)
{
struct lpfc_vport *vport = phba->pport;
+ struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
LPFC_MBOXQ_t *pmb;
MAILBOX_t *mb;
struct lpfc_dmabuf *mp;
@@ -330,6 +377,11 @@ lpfc_config_port_post(struct lpfc_hba *phba)
sizeof (struct lpfc_name));
memcpy(&vport->fc_portname, &vport->fc_sparam.portName,
sizeof (struct lpfc_name));
+
+ /* Update the fc_host data structures with new wwn. */
+ fc_host_node_name(shost) = wwn_to_u64(vport->fc_nodename.u.wwn);
+ fc_host_port_name(shost) = wwn_to_u64(vport->fc_portname.u.wwn);
+
/* If no serial number in VPD data, use low 6 bytes of WWNN */
/* This should be consolidated into parse_vpd ? - mr */
if (phba->SerialNumber[0] == 0) {
@@ -494,6 +546,24 @@ lpfc_config_port_post(struct lpfc_hba *phba)
rc);
mempool_free(pmb, phba->mbox_mem_pool);
}
+
+ /* Get Option rom version */
+ pmb = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
+ lpfc_dump_wakeup_param(phba, pmb);
+ pmb->mbox_cmpl = lpfc_dump_wakeup_param_cmpl;
+ pmb->vport = phba->pport;
+ rc = lpfc_sli_issue_mbox(phba, pmb, MBX_NOWAIT);
+
+ if ((rc != MBX_BUSY) && (rc != MBX_SUCCESS)) {
+ lpfc_printf_log(phba,
+ KERN_ERR,
+ LOG_INIT,
+ "0431 Adapter failed to get "
+ "Option rom version status x%x \n.",
+ rc);
+ mempool_free(pmb, phba->mbox_mem_pool);
+ }
+
return 0;
}
@@ -648,11 +718,6 @@ lpfc_hb_timeout_handler(struct lpfc_hba *phba)
return;
spin_lock_irq(&phba->pport->work_port_lock);
- /* If the timer is already canceled do nothing */
- if (!(phba->pport->work_port_events & WORKER_HB_TMO)) {
- spin_unlock_irq(&phba->pport->work_port_lock);
- return;
- }
if (time_after(phba->last_completion_time + LPFC_HB_MBOX_INTERVAL * HZ,
jiffies)) {
@@ -769,6 +834,7 @@ lpfc_handle_eratt(struct lpfc_hba *phba)
unsigned long temperature;
struct temp_event temp_event_data;
struct Scsi_Host *shost;
+ struct lpfc_board_event_header board_event;
/* If the pci channel is offline, ignore possible errors,
* since we cannot communicate with the pci card anyway. */
@@ -779,6 +845,15 @@ lpfc_handle_eratt(struct lpfc_hba *phba)
if (!phba->cfg_enable_hba_reset)
return;
+ /* Send an internal error event to mgmt application */
+ board_event.event_type = FC_REG_BOARD_EVENT;
+ board_event.subcategory = LPFC_EVENT_PORTINTERR;
+ shost = lpfc_shost_from_vport(phba->pport);
+ fc_host_post_vendor_event(shost, fc_get_event_number(),
+ sizeof(board_event),
+ (char *) &board_event,
+ LPFC_NL_VENDOR_ID);
+
if (phba->work_hs & HS_FFER6) {
/* Re-establishing Link */
lpfc_printf_log(phba, KERN_INFO, LOG_LINK_EVENT,
@@ -1563,8 +1638,10 @@ lpfc_stop_vport_timers(struct lpfc_vport *vport)
del_timer_sync(&vport->els_tmofunc);
del_timer_sync(&vport->fc_fdmitmo);
while (!list_empty(&vport->sc_response_wait_queue)) {
- fc_sc_req = list_get_first(&vport->sc_response_wait_queue,
+ list_remove_head(&vport->sc_response_wait_queue, fc_sc_req,
struct fc_security_request, rlist);
+ if (!fc_sc_req)
+ continue;
del_timer_sync(&fc_sc_req->timer);
kfree(fc_sc_req);
}
@@ -2066,6 +2143,8 @@ lpfc_pci_probe_one(struct pci_dev *pdev, const struct pci_device_id *pid)
int i, hbq_count;
uint16_t iotag;
int bars = pci_select_bars(pdev, IORESOURCE_MEM);
+ struct lpfc_adapter_event_header adapter_event;
+
unsigned long start;
if (pci_enable_device_bars(pdev, bars))
@@ -2077,6 +2156,7 @@ lpfc_pci_probe_one(struct pci_dev *pdev, const struct pci_device_id *pid)
if (!phba)
goto out_release_regions;
+ atomic_set(&phba->fast_event_count, 0);
spin_lock_init(&phba->hbalock);
/* Initialize ndlp management spinlock */
@@ -2362,6 +2442,14 @@ lpfc_pci_probe_one(struct pci_dev *pdev, const struct pci_device_id *pid)
while (!lpfc_scan_finished(shost, jiffies - start))
msleep(10);
+ /* Send board arrival event to upper layer */
+ adapter_event.event_type = FC_REG_ADAPTER_EVENT;
+ adapter_event.subcategory = LPFC_EVENT_ARRIVAL;
+ fc_host_post_vendor_event(shost, fc_get_event_number(),
+ sizeof(adapter_event),
+ (char *) &adapter_event,
+ LPFC_NL_VENDOR_ID);
+
scsi_scan_host(shost);
return 0;
diff --git a/drivers/scsi/lpfc/lpfc_ioctl.c b/drivers/scsi/lpfc/lpfc_ioctl.c
index 479ccde..01889dd 100644
--- a/drivers/scsi/lpfc/lpfc_ioctl.c
+++ b/drivers/scsi/lpfc/lpfc_ioctl.c
@@ -28,6 +28,7 @@
#include "lpfc_hw.h"
#include "lpfc_sli.h"
+#include "lpfc_nl.h"
#include "lpfc_disc.h"
#include "lpfc_scsi.h"
#include "lpfc.h"
@@ -36,7 +37,6 @@
#include "lpfc_logmsg.h"
#include "lpfc_vport.h"
-
struct lpfcdfc_event {
struct list_head node;
int ref;
@@ -161,7 +161,7 @@ lpfc_ioctl_hba_rnid(struct lpfc_hba * phba,
for (i0 = 0;
i0 < 10 && (pndl->nlp_flag & NLP_ELS_SND_MASK) == NLP_RNID_SND;
i0++) {
- mdelay(1000);
+ msleep(1000);
}
if (i0 == 10) {
@@ -730,7 +730,6 @@ lpfc_ioctl_send_mgmt_cmd(struct lpfc_hba * phba,
outdmp = dfc_cmd_data_alloc(phba, NULL, bpl, snsbfrcnt);
if (!outdmp) {
rc = ENOMEM;
- spin_lock_irq(shost->host_lock);
goto send_mgmt_cmd_free_indmp;
}
@@ -827,10 +826,10 @@ lpfc_ioctl_send_mgmt_cmd(struct lpfc_hba * phba,
rc = EIO;
send_mgmt_cmd_free_outdmp:
- spin_lock_irq(shost->host_lock);
dfc_cmd_data_free(phba, outdmp);
send_mgmt_cmd_free_indmp:
dfc_cmd_data_free(phba, indmp);
+ spin_lock_irq(shost->host_lock);
send_mgmt_cmd_free_bmpvirt:
lpfc_mbuf_free(phba, bmp->virt, bmp->phys);
send_mgmt_cmd_free_bmp:
@@ -1103,7 +1102,7 @@ lpfc_ioctl_loopback_mode(struct lpfc_hba *phba,
if (i++ > 500) /* wait up to 5 seconds */
break;
- mdelay(10);
+ msleep(10);
}
memset((void *)pmboxq, 0, sizeof (LPFC_MBOXQ_t));
diff --git a/drivers/scsi/lpfc/lpfc_ioctl.h b/drivers/scsi/lpfc/lpfc_ioctl.h
index d434d46..dfdbff4 100644
--- a/drivers/scsi/lpfc/lpfc_ioctl.h
+++ b/drivers/scsi/lpfc/lpfc_ioctl.h
@@ -23,21 +23,6 @@
#define LPFC_MAX_EVENT 128
-/* Event definitions for RegisterForEvent */
-#define FC_REG_LINK_EVENT 0x1 /* Register for link up / down events */
-#define FC_REG_RSCN_EVENT 0x2 /* Register for RSCN events */
-#define FC_REG_CT_EVENT 0x4 /* Register for CT request events */
-#ifndef FC_REG_DUMP_EVENT
-#define FC_REG_DUMP_EVENT 0x10 /* Register for Dump events */
-#endif
-#ifndef FC_REG_TEMPERATURE_EVENT
-#define FC_REG_TEMPERATURE_EVENT 0x20 /* Register for temperature
- event */
-#endif
-
-#define FC_REG_EVENT_MASK 0xff /* event mask */
-
-
#define LPFC_CT 0x42 /* Send CT passthru command */
#define LPFC_HBA_RNID 0x52 /* Send an RNID request */
#define LPFC_HBA_REFRESHINFO 0x56 /* Do a refresh of the stats */
@@ -60,7 +45,7 @@
struct DfcRevInfo {
uint32_t a_Major;
uint32_t a_Minor;
-} ;
+};
#define LPFC_WWPN_TYPE 0
#define LPFC_PORTID_TYPE 1
diff --git a/drivers/scsi/lpfc/lpfc_mbox.c b/drivers/scsi/lpfc/lpfc_mbox.c
index 39eda2c..699750a 100644
--- a/drivers/scsi/lpfc/lpfc_mbox.c
+++ b/drivers/scsi/lpfc/lpfc_mbox.c
@@ -30,6 +30,7 @@
#include "lpfc_hw.h"
#include "lpfc_sli.h"
+#include "lpfc_nl.h"
#include "lpfc_disc.h"
#include "lpfc_scsi.h"
#include "lpfc.h"
@@ -65,6 +66,39 @@ lpfc_dump_mem(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb, uint16_t offset)
return;
}
+/**
+ * lpfc_dump_wakeup_param: Prepare a mailbox command for retrieving
+ * wakeup params.
+ * @phba: pointer to lpfc hba data structure.
+ * @pmb: pointer to the driver internal queue element for mailbox command.
+ * This function create a dump memory mailbox command to dump wake up
+ * parameters.
+ */
+void
+lpfc_dump_wakeup_param(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb)
+{
+ MAILBOX_t *mb;
+ void *ctx;
+
+ mb = &pmb->mb;
+ /* Save context so that we can restore after memset */
+ ctx = pmb->context2;
+
+ /* Setup to dump VPD region */
+ memset(pmb, 0, sizeof(LPFC_MBOXQ_t));
+ mb->mbxCommand = MBX_DUMP_MEMORY;
+ mb->mbxOwner = OWN_HOST;
+ mb->un.varDmp.cv = 1;
+ mb->un.varDmp.type = DMP_NV_PARAMS;
+ mb->un.varDmp.entry_index = 0;
+ mb->un.varDmp.region_id = WAKE_UP_PARMS_REGION_ID;
+ mb->un.varDmp.word_cnt = WAKE_UP_PARMS_WORD_SIZE;
+ mb->un.varDmp.co = 0;
+ mb->un.varDmp.resp_offset = 0;
+ pmb->context2 = ctx;
+ return;
+}
+
/**********************************************/
/* lpfc_read_nv Issue a READ NVPARAM */
/* mailbox command */
@@ -529,16 +563,6 @@ lpfc_config_pcb_setup(struct lpfc_hba * phba)
pcbp->rdsc[i].rspAddrHigh = putPaddrHigh(pdma_addr);
pcbp->rdsc[i].rspAddrLow = putPaddrLow(pdma_addr);
iocbCnt += pring->numRiocb;
-#if 0
- printk("lpfc_config_pcb_setup: brdno:%d, Ring #%d:\n"
- "numCiocb:%d, sizeCiocb:%d,\n"
- "numRiocb:%d, sizeRiocb:%d,\n"
- "cmdAddrLow:0x%x, rspAddrLow:0x%x, iocbCnt:0x%x\n\n",
- phba->brd_no, i, pcbp->rdsc[i].cmdEntries,
- pring->sizeCiocb, pcbp->rdsc[i].rspEntries,
- pring->sizeRiocb, pcbp->rdsc[i].cmdAddrLow,
- pcbp->rdsc[i].rspAddrLow, iocbCnt);
-#endif
}
}
@@ -739,9 +763,6 @@ lpfc_config_port(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb)
mb->un.varCfgPort.pcbLow = putPaddrLow(pdma_addr);
mb->un.varCfgPort.pcbHigh = putPaddrHigh(pdma_addr);
- /* Always Host Group Pointer is in SLIM */
- mb->un.varCfgPort.hps = 1;
-
/* If HBA supports SLI=3 ask for it */
if (phba->sli_rev == 3 && phba->vpd.sli3Feat.cerbm) {
@@ -821,30 +842,44 @@ lpfc_config_port(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb)
*
*/
- if (phba->sli_rev == 3) {
- phba->host_gp = &mb_slim->us.s3.host[0];
- phba->hbq_put = &mb_slim->us.s3.hbq_put[0];
- } else {
- phba->host_gp = &mb_slim->us.s2.host[0];
+ if (phba->cfg_hostmem_hgp && phba->sli_rev != 3) {
+
+ phba->host_gp = &phba->slim2p->mbx.us.s2.host[0];
phba->hbq_put = NULL;
- }
+ offset = (uint8_t *)&phba->slim2p->mbx.us.s2.host -
+ (uint8_t *)phba->slim2p;
+ pdma_addr = phba->slim2p_mapping + offset;
+ phba->slim2p->pcb.hgpAddrHigh = putPaddrHigh(pdma_addr);
+ phba->slim2p->pcb.hgpAddrLow = putPaddrLow(pdma_addr);
+ } else {
+ /* Always Host Group Pointer is in SLIM */
+ mb->un.varCfgPort.hps = 1;
+
+ if (phba->sli_rev == 3) {
+ phba->host_gp = &mb_slim->us.s3.host[0];
+ phba->hbq_put = &mb_slim->us.s3.hbq_put[0];
+ } else {
+ phba->host_gp = &mb_slim->us.s2.host[0];
+ phba->hbq_put = NULL;
+ }
- /* mask off BAR0's flag bits 0 - 3 */
- phba->slim2p->pcb.hgpAddrLow = (bar_low & PCI_BASE_ADDRESS_MEM_MASK) +
- (void __iomem *) phba->host_gp -
- (void __iomem *)phba->MBslimaddr;
- if (bar_low & PCI_BASE_ADDRESS_MEM_TYPE_64)
- phba->slim2p->pcb.hgpAddrHigh = bar_high;
- else
- phba->slim2p->pcb.hgpAddrHigh = 0;
- /* write HGP data to SLIM at the required longword offset */
- memset(&hgp, 0, sizeof(struct lpfc_hgp));
+ /* mask off BAR0's flag bits 0 - 3 */
+ phba->slim2p->pcb.hgpAddrLow =
+ (bar_low & PCI_BASE_ADDRESS_MEM_MASK) +
+ (void __iomem *) phba->host_gp -
+ (void __iomem *)phba->MBslimaddr;
+ if (bar_low & PCI_BASE_ADDRESS_MEM_TYPE_64)
+ phba->slim2p->pcb.hgpAddrHigh = bar_high;
+ else
+ phba->slim2p->pcb.hgpAddrHigh = 0;
+ /* write HGP data to SLIM at the required longword offset */
+ memset(&hgp, 0, sizeof(struct lpfc_hgp));
- for (i=0; i < phba->sli.num_rings; i++) {
- lpfc_memcpy_to_slim(phba->host_gp + i, &hgp,
- sizeof(*phba->host_gp));
+ for (i = 0; i < phba->sli.num_rings; i++) {
+ lpfc_memcpy_to_slim(phba->host_gp + i,
+ &hgp, sizeof(*phba->host_gp));
+ }
}
-
/* Setup Port Group ring pointer */
if (phba->sli_rev == 3)
pgp_offset = (uint8_t *)&phba->slim2p->mbx.us.s3_pgp.port -
diff --git a/drivers/scsi/lpfc/lpfc_mem.c b/drivers/scsi/lpfc/lpfc_mem.c
index fd834fd..6b6198f 100644
--- a/drivers/scsi/lpfc/lpfc_mem.c
+++ b/drivers/scsi/lpfc/lpfc_mem.c
@@ -30,6 +30,7 @@
#include "lpfc_hw.h"
#include "lpfc_sli.h"
+#include "lpfc_nl.h"
#include "lpfc_disc.h"
#include "lpfc_scsi.h"
#include "lpfc.h"
diff --git a/drivers/scsi/lpfc/lpfc_menlo.c b/drivers/scsi/lpfc/lpfc_menlo.c
index bc3f8a2..24950a4 100644
--- a/drivers/scsi/lpfc/lpfc_menlo.c
+++ b/drivers/scsi/lpfc/lpfc_menlo.c
@@ -31,6 +31,7 @@
#include "lpfc_hw.h"
#include "lpfc_sli.h"
+#include "lpfc_nl.h"
#include "lpfc_disc.h"
#include "lpfc_scsi.h"
#include "lpfc.h"
@@ -1069,13 +1070,22 @@ lpfc_menlo_read(struct lpfc_hba *phba, char *buf, loff_t off, size_t count,
}
genreq->offset += count;
-
- if (genreq->offset >= sysfs_menlo->cmdhdr.rspsize) {
+ if (genreq->offset >= (genreq->rspiocbq->iocb.un.ulpWord[0] &
+ 0x00ffffff)) {
lpfc_printf_log(phba, KERN_INFO, LOG_LIBDFC,
- "1222 menlo_read: done off %d rc=%d"
- " cnt %d rsp_code %x\n",
- (int)off, rc, (int)count,*((uint32_t *)buf));
- rc = count;
+ "1222 menlo_read: done off %d genoff:%d rspsz:%d "
+ "rc=%d cnt %d rsp_code %x Word0:%x\n",
+ (int)off, (int)genreq->offset,
+ sysfs_menlo->cmdhdr.rspsize, rc, (int)count,
+ *((uint32_t *)buf),
+ genreq->rspiocbq->iocb.un.ulpWord[0]);
+
+ if ((genreq->rspiocbq->iocb.un.ulpWord[0] & 0x00ffffff)
+ < sysfs_menlo->cmdhdr.rspsize)
+ rc = (genreq->rspiocbq->iocb.un.ulpWord[0] & 0x00ffffff)
+ + count - genreq->offset;
+ else
+ rc = count;
goto lpfc_menlo_read_err_exit;
}
diff --git a/drivers/scsi/lpfc/lpfc_nl.h b/drivers/scsi/lpfc/lpfc_nl.h
new file mode 100644
index 0000000..27d1a88
--- /dev/null
+++ b/drivers/scsi/lpfc/lpfc_nl.h
@@ -0,0 +1,179 @@
+/*******************************************************************
+ * This file is part of the Emulex Linux Device Driver for *
+ * Fibre Channel Host Bus Adapters. *
+ * Copyright (C) 2008 Emulex. All rights reserved. *
+ * EMULEX and SLI are trademarks of Emulex. *
+ * www.emulex.com *
+ * *
+ * This program is free software; you can redistribute it and/or *
+ * modify it under the terms of version 2 of the GNU General *
+ * Public License as published by the Free Software Foundation. *
+ * This program is distributed in the hope that it will be useful. *
+ * ALL EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND *
+ * WARRANTIES, INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY, *
+ * FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT, ARE *
+ * DISCLAIMED, EXCEPT TO THE EXTENT THAT SUCH DISCLAIMERS ARE HELD *
+ * TO BE LEGALLY INVALID. See the GNU General Public License for *
+ * more details, a copy of which can be found in the file COPYING *
+ * included with this package. *
+ *******************************************************************/
+
+/* Event definitions for RegisterForEvent */
+#define FC_REG_LINK_EVENT 0x0001 /* link up / down events */
+#define FC_REG_RSCN_EVENT 0x0002 /* RSCN events */
+#define FC_REG_CT_EVENT 0x0004 /* CT request events */
+#define FC_REG_DUMP_EVENT 0x0010 /* Dump events */
+#define FC_REG_TEMPERATURE_EVENT 0x0020 /* temperature events */
+#define FC_REG_VPORTRSCN_EVENT 0x0040 /* Vport RSCN events */
+#define FC_REG_ELS_EVENT 0x0080 /* lpfc els events */
+#define FC_REG_FABRIC_EVENT 0x0100 /* lpfc fabric events */
+#define FC_REG_SCSI_EVENT 0x0200 /* lpfc scsi events */
+#define FC_REG_BOARD_EVENT 0x0400 /* lpfc board events */
+#define FC_REG_ADAPTER_EVENT 0x0800 /* lpfc adapter events */
+#define FC_REG_EVENT_MASK (FC_REG_LINK_EVENT | \
+ FC_REG_RSCN_EVENT | \
+ FC_REG_CT_EVENT | \
+ FC_REG_DUMP_EVENT | \
+ FC_REG_TEMPERATURE_EVENT | \
+ FC_REG_VPORTRSCN_EVENT | \
+ FC_REG_ELS_EVENT | \
+ FC_REG_FABRIC_EVENT | \
+ FC_REG_SCSI_EVENT | \
+ FC_REG_BOARD_EVENT | \
+ FC_REG_ADAPTER_EVENT)
+/* Temperature events */
+#define LPFC_CRIT_TEMP 0x1
+#define LPFC_THRESHOLD_TEMP 0x2
+#define LPFC_NORMAL_TEMP 0x3
+/*
+ * All net link event payloads will begin with and event type
+ * and subcategory. The event type must come first.
+ * The subcategory further defines the data that follows in the rest
+ * of the payload. Each category will have its own unique header plus
+ * any addtional data unique to the subcategory.
+ * The payload sent via the fc transport is one-way driver->application.
+ */
+
+/* RSCN event header */
+struct lpfc_rscn_event_header {
+ uint32_t event_type;
+ uint32_t payload_length; /* RSCN data length in bytes */
+ uint32_t rscn_payload[];
+};
+
+/* els event header */
+struct lpfc_els_event_header {
+ uint32_t event_type;
+ uint32_t subcategory;
+ uint8_t wwpn[8];
+ uint8_t wwnn[8];
+};
+
+/* subcategory codes for FC_REG_ELS_EVENT */
+#define LPFC_EVENT_PLOGI_RCV 0x01
+#define LPFC_EVENT_PRLO_RCV 0x02
+#define LPFC_EVENT_ADISC_RCV 0x04
+#define LPFC_EVENT_LSRJT_RCV 0x08
+#define LPFC_EVENT_LOGO_RCV 0x10
+
+/* special els lsrjt event */
+struct lpfc_lsrjt_event {
+ struct lpfc_els_event_header header;
+ uint32_t command;
+ uint32_t reason_code;
+ uint32_t explanation;
+};
+
+/* special els logo event */
+struct lpfc_logo_event {
+ struct lpfc_els_event_header header;
+ uint8_t logo_wwpn[8];
+};
+
+/* fabric event header */
+struct lpfc_fabric_event_header {
+ uint32_t event_type;
+ uint32_t subcategory;
+ uint8_t wwpn[8];
+ uint8_t wwnn[8];
+};
+
+/* subcategory codes for FC_REG_FABRIC_EVENT */
+#define LPFC_EVENT_FABRIC_BUSY 0x01
+#define LPFC_EVENT_PORT_BUSY 0x02
+#define LPFC_EVENT_FCPRDCHKERR 0x04
+
+/* special case fabric fcprdchkerr event */
+struct lpfc_fcprdchkerr_event {
+ struct lpfc_fabric_event_header header;
+ uint32_t lun;
+ uint32_t opcode;
+ uint32_t fcpiparam;
+};
+
+
+/* scsi event header */
+struct lpfc_scsi_event_header {
+ uint32_t event_type;
+ uint32_t subcategory;
+ uint32_t lun;
+ uint8_t wwpn[8];
+ uint8_t wwnn[8];
+};
+
+/* subcategory codes for FC_REG_SCSI_EVENT */
+#define LPFC_EVENT_QFULL 0x0001
+#define LPFC_EVENT_DEVBSY 0x0002
+#define LPFC_EVENT_CHECK_COND 0x0004
+#define LPFC_EVENT_LUNRESET 0x0008
+#define LPFC_EVENT_TGTRESET 0x0010
+#define LPFC_EVENT_BUSRESET 0x0020
+#define LPFC_EVENT_VARQUEDEPTH 0x0040
+
+/* special case scsi varqueuedepth event */
+struct lpfc_scsi_varqueuedepth_event {
+ struct lpfc_scsi_event_header scsi_event;
+ uint32_t oldval;
+ uint32_t newval;
+};
+
+/* special case scsi check condition event */
+struct lpfc_scsi_check_condition_event {
+ struct lpfc_scsi_event_header scsi_event;
+ uint8_t opcode;
+ uint8_t sense_key;
+ uint8_t asc;
+ uint8_t ascq;
+};
+
+/* event codes for FC_REG_BOARD_EVENT */
+#define LPFC_EVENT_PORTINTERR 0x01
+
+/* board event header */
+struct lpfc_board_event_header {
+ uint32_t event_type;
+ uint32_t subcategory;
+};
+
+
+/* event codes for FC_REG_ADAPTER_EVENT */
+#define LPFC_EVENT_ARRIVAL 0x01
+
+/* adapter event header */
+struct lpfc_adapter_event_header {
+ uint32_t event_type;
+ uint32_t subcategory;
+};
+
+
+/* event codes for temp_event */
+#define LPFC_CRIT_TEMP 0x1
+#define LPFC_THRESHOLD_TEMP 0x2
+#define LPFC_NORMAL_TEMP 0x3
+
+struct temp_event {
+ uint32_t event_type;
+ uint32_t event_code;
+ uint32_t data;
+};
+
diff --git a/drivers/scsi/lpfc/lpfc_nportdisc.c b/drivers/scsi/lpfc/lpfc_nportdisc.c
index 94ec512..8f548ad 100644
--- a/drivers/scsi/lpfc/lpfc_nportdisc.c
+++ b/drivers/scsi/lpfc/lpfc_nportdisc.c
@@ -30,6 +30,7 @@
#include "lpfc_hw.h"
#include "lpfc_sli.h"
+#include "lpfc_nl.h"
#include "lpfc_disc.h"
#include "lpfc_scsi.h"
#include "lpfc.h"
diff --git a/drivers/scsi/lpfc/lpfc_scsi.c b/drivers/scsi/lpfc/lpfc_scsi.c
index b21c708..5046ebb 100644
--- a/drivers/scsi/lpfc/lpfc_scsi.c
+++ b/drivers/scsi/lpfc/lpfc_scsi.c
@@ -32,6 +32,7 @@
#include "lpfc_version.h"
#include "lpfc_hw.h"
#include "lpfc_sli.h"
+#include "lpfc_nl.h"
#include "lpfc_disc.h"
#include "lpfc_scsi.h"
#include "lpfc.h"
@@ -42,6 +43,116 @@
#define LPFC_RESET_WAIT 2
#define LPFC_ABORT_WAIT 2
+/**
+ * lpfc_update_stats: Update statistical data for the command completion.
+ * @phba: Pointer to HBA object.
+ * @lpfc_cmd: lpfc scsi command object pointer.
+ *
+ * This function is called when there is a command completion and this
+ * function updates the statistical data for the command completion.
+ **/
+void
+lpfc_update_stats(struct lpfc_hba *phba,
+ struct lpfc_scsi_buf * lpfc_cmd)
+{
+ struct lpfc_rport_data *rdata = lpfc_cmd->rdata;
+ struct lpfc_nodelist *pnode = rdata->pnode;
+ struct scsi_cmnd *cmd = lpfc_cmd->pCmd;
+ unsigned long flags;
+ struct Scsi_Host *shost = cmd->device->host;
+ struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
+ unsigned long latency;
+ int i;
+
+ if (cmd->result)
+ return;
+
+ latency = jiffies_to_msecs((long)jiffies - (long)lpfc_cmd->start_time);
+
+ spin_lock_irqsave(shost->host_lock, flags);
+ if (!vport->stat_data_enabled ||
+ vport->stat_data_blocked ||
+ !pnode->lat_data ||
+ (phba->bucket_type == LPFC_NO_BUCKET)) {
+ spin_unlock_irqrestore(shost->host_lock, flags);
+ return;
+ }
+
+ if (phba->bucket_type == LPFC_LINEAR_BUCKET) {
+ i = (latency + phba->bucket_step - 1 - phba->bucket_base)/
+ phba->bucket_step;
+ /* check array subscript bounds */
+ if (i < 0)
+ i = 0;
+ else if (i >= LPFC_MAX_BUCKET_COUNT)
+ i = LPFC_MAX_BUCKET_COUNT - 1;
+ } else {
+ for (i=0; i<LPFC_MAX_BUCKET_COUNT-1; i++)
+ if (latency <= (phba->bucket_base +
+ ((1<<i)*phba->bucket_step)))
+ break;
+ }
+
+ pnode->lat_data[i].cmd_count++;
+ spin_unlock_irqrestore(shost->host_lock, flags);
+}
+
+
+/**
+ * lpfc_send_sdev_queuedepth_change_event: Posts a queuedepth change
+ * event.
+ * @phba: Pointer to HBA context object.
+ * @vport: Pointer to vport object.
+ * @ndlp: Pointer to FC node associated with the target.
+ * @lun: Lun number of the scsi device.
+ * @old_val: Old value of the queue depth.
+ * @new_val: New value of the queue depth.
+ *
+ * This function sends an event to the mgmt application indicating
+ * there is a change in the scsi device queue depth.
+ **/
+void
+lpfc_send_sdev_queuedepth_change_event(struct lpfc_hba *phba,
+ struct lpfc_vport *vport,
+ struct lpfc_nodelist *ndlp,
+ uint32_t lun,
+ uint32_t old_val,
+ uint32_t new_val)
+{
+ struct lpfc_fast_path_event *fast_path_evt;
+ unsigned long flags;
+
+ fast_path_evt = lpfc_alloc_fast_evt(phba);
+ if (!fast_path_evt)
+ return;
+
+ fast_path_evt->un.queue_depth_evt.scsi_event.event_type =
+ FC_REG_SCSI_EVENT;
+ fast_path_evt->un.queue_depth_evt.scsi_event.subcategory =
+ LPFC_EVENT_VARQUEDEPTH;
+
+ /* Report all luns with change in queue depth */
+ fast_path_evt->un.queue_depth_evt.scsi_event.lun = lun;
+ if (ndlp && NLP_CHK_NODE_ACT(ndlp)) {
+ memcpy(&fast_path_evt->un.queue_depth_evt.scsi_event.wwpn,
+ &ndlp->nlp_portname, sizeof(struct lpfc_name));
+ memcpy(&fast_path_evt->un.queue_depth_evt.scsi_event.wwnn,
+ &ndlp->nlp_nodename, sizeof(struct lpfc_name));
+ }
+
+ fast_path_evt->un.queue_depth_evt.oldval = old_val;
+ fast_path_evt->un.queue_depth_evt.newval = new_val;
+ fast_path_evt->vport = vport;
+
+ fast_path_evt->work_evt.evt = LPFC_EVT_FASTPATH_MGMT_EVT;
+ spin_lock_irqsave(&phba->hbalock, flags);
+ list_add_tail(&fast_path_evt->work_evt.evt_listp, &phba->work_list);
+ spin_unlock_irqrestore(&phba->hbalock, flags);
+ lpfc_worker_wake_up(phba);
+
+ return;
+}
+
/*
* This function is called with no lock held when there is a resource
* error in driver or in firmware.
@@ -82,14 +193,14 @@ lpfc_adjust_queue_depth(struct lpfc_hba *phba)
*/
static inline void
lpfc_rampup_queue_depth(struct lpfc_vport *vport,
- struct scsi_device *sdev)
+ uint32_t queue_depth)
{
unsigned long flags;
struct lpfc_hba *phba = vport->phba;
uint32_t evt_posted;
atomic_inc(&phba->num_cmd_success);
- if (vport->cfg_lun_queue_depth <= sdev->queue_depth)
+ if (vport->cfg_lun_queue_depth <= queue_depth)
return;
spin_lock_irqsave(&phba->hbalock, flags);
if (((phba->last_ramp_up_time + QUEUE_RAMP_UP_INTERVAL) > jiffies) ||
@@ -117,9 +228,10 @@ lpfc_ramp_down_queue_handler(struct lpfc_hba *phba)
struct lpfc_vport **vports;
struct Scsi_Host *shost;
struct scsi_device *sdev;
- unsigned long new_queue_depth;
+ unsigned long new_queue_depth, old_queue_depth;
unsigned long num_rsrc_err, num_cmd_success;
int i;
+ struct lpfc_rport_data *rdata;
num_rsrc_err = atomic_read(&phba->num_rsrc_err);
num_cmd_success = atomic_read(&phba->num_cmd_success);
@@ -137,6 +249,7 @@ lpfc_ramp_down_queue_handler(struct lpfc_hba *phba)
else
new_queue_depth = sdev->queue_depth -
new_queue_depth;
+ old_queue_depth = sdev->queue_depth;
if (sdev->ordered_tags)
scsi_adjust_queue_depth(sdev,
MSG_ORDERED_TAG,
@@ -145,6 +258,13 @@ lpfc_ramp_down_queue_handler(struct lpfc_hba *phba)
scsi_adjust_queue_depth(sdev,
MSG_SIMPLE_TAG,
new_queue_depth);
+ rdata = sdev->hostdata;
+ if (rdata)
+ lpfc_send_sdev_queuedepth_change_event(
+ phba, vports[i],
+ rdata->pnode,
+ sdev->lun, old_queue_depth,
+ new_queue_depth);
}
}
lpfc_destroy_vport_work_array(phba, vports);
@@ -159,6 +279,7 @@ lpfc_ramp_up_queue_handler(struct lpfc_hba *phba)
struct Scsi_Host *shost;
struct scsi_device *sdev;
int i;
+ struct lpfc_rport_data *rdata;
vports = lpfc_create_vport_work_array(phba);
if (vports != NULL)
@@ -176,6 +297,14 @@ lpfc_ramp_up_queue_handler(struct lpfc_hba *phba)
scsi_adjust_queue_depth(sdev,
MSG_SIMPLE_TAG,
sdev->queue_depth+1);
+ rdata = sdev->hostdata;
+ if (rdata)
+ lpfc_send_sdev_queuedepth_change_event(
+ phba, vports[i],
+ rdata->pnode,
+ sdev->lun,
+ sdev->queue_depth - 1,
+ sdev->queue_depth);
}
}
lpfc_destroy_vport_work_array(phba, vports);
@@ -471,6 +600,97 @@ lpfc_scsi_unprep_dma_buf(struct lpfc_hba * phba, struct lpfc_scsi_buf * psb)
}
}
+/**
+ * lpfc_send_scsi_error_event: Posts an event when there is SCSI error.
+ * @phba: Pointer to hba context object.
+ * @vport: Pointer to vport object.
+ * @lpfc_cmd: Pointer to lpfc scsi command which reported the error.
+ * @rsp_iocb: Pointer to response iocb object which reported error.
+ *
+ * This function posts an event when there is a SCSI command reporting
+ * error from the scsi device.
+ **/
+static void
+lpfc_send_scsi_error_event(struct lpfc_hba *phba, struct lpfc_vport *vport,
+ struct lpfc_scsi_buf *lpfc_cmd, struct lpfc_iocbq *rsp_iocb) {
+ struct scsi_cmnd *cmnd = lpfc_cmd->pCmd;
+ struct fcp_rsp *fcprsp = lpfc_cmd->fcp_rsp;
+ uint32_t resp_info = fcprsp->rspStatus2;
+ uint32_t scsi_status = fcprsp->rspStatus3;
+ uint32_t fcpi_parm = rsp_iocb->iocb.un.fcpi.fcpi_parm;
+ struct lpfc_fast_path_event *fast_path_evt = NULL;
+ struct lpfc_nodelist *pnode = lpfc_cmd->rdata->pnode;
+ unsigned long flags;
+
+ /* If there is queuefull or busy condition send a scsi event */
+ if ((cmnd->result == SAM_STAT_TASK_SET_FULL) ||
+ (cmnd->result == SAM_STAT_BUSY)) {
+ fast_path_evt = lpfc_alloc_fast_evt(phba);
+ if (!fast_path_evt)
+ return;
+ fast_path_evt->un.scsi_evt.event_type =
+ FC_REG_SCSI_EVENT;
+ fast_path_evt->un.scsi_evt.subcategory =
+ (cmnd->result == SAM_STAT_TASK_SET_FULL) ?
+ LPFC_EVENT_QFULL : LPFC_EVENT_DEVBSY;
+ fast_path_evt->un.scsi_evt.lun = cmnd->device->lun;
+ memcpy(&fast_path_evt->un.scsi_evt.wwpn,
+ &pnode->nlp_portname, sizeof(struct lpfc_name));
+ memcpy(&fast_path_evt->un.scsi_evt.wwnn,
+ &pnode->nlp_nodename, sizeof(struct lpfc_name));
+ } else if ((resp_info & SNS_LEN_VALID) && fcprsp->rspSnsLen &&
+ ((cmnd->cmnd[0] == READ_10) || (cmnd->cmnd[0] == WRITE_10))) {
+ fast_path_evt = lpfc_alloc_fast_evt(phba);
+ if (!fast_path_evt)
+ return;
+ fast_path_evt->un.check_cond_evt.scsi_event.event_type =
+ FC_REG_SCSI_EVENT;
+ fast_path_evt->un.check_cond_evt.scsi_event.subcategory =
+ LPFC_EVENT_CHECK_COND;
+ fast_path_evt->un.check_cond_evt.scsi_event.lun =
+ cmnd->device->lun;
+ memcpy(&fast_path_evt->un.check_cond_evt.scsi_event.wwpn,
+ &pnode->nlp_portname, sizeof(struct lpfc_name));
+ memcpy(&fast_path_evt->un.check_cond_evt.scsi_event.wwnn,
+ &pnode->nlp_nodename, sizeof(struct lpfc_name));
+ fast_path_evt->un.check_cond_evt.sense_key =
+ cmnd->sense_buffer[2] & 0xf;
+ fast_path_evt->un.check_cond_evt.asc = cmnd->sense_buffer[12];
+ fast_path_evt->un.check_cond_evt.ascq = cmnd->sense_buffer[13];
+ } else if ((cmnd->sc_data_direction == DMA_FROM_DEVICE) &&
+ fcpi_parm &&
+ ((be32_to_cpu(fcprsp->rspResId) != fcpi_parm) ||
+ ((scsi_status == SAM_STAT_GOOD) &&
+ !(resp_info & (RESID_UNDER | RESID_OVER))))) {
+ /*
+ * If status is good or resid does not match with fcp_param and
+ * there is valid fcpi_parm, then there is a read_check error
+ */
+ fast_path_evt = lpfc_alloc_fast_evt(phba);
+ if (!fast_path_evt)
+ return;
+ fast_path_evt->un.read_check_error.header.event_type =
+ FC_REG_FABRIC_EVENT;
+ fast_path_evt->un.read_check_error.header.subcategory =
+ LPFC_EVENT_FCPRDCHKERR;
+ memcpy(&fast_path_evt->un.read_check_error.header.wwpn,
+ &pnode->nlp_portname, sizeof(struct lpfc_name));
+ memcpy(&fast_path_evt->un.read_check_error.header.wwnn,
+ &pnode->nlp_nodename, sizeof(struct lpfc_name));
+ fast_path_evt->un.read_check_error.lun = cmnd->device->lun;
+ fast_path_evt->un.read_check_error.opcode = cmnd->cmnd[0];
+ fast_path_evt->un.read_check_error.fcpiparam =
+ fcpi_parm;
+ } else
+ return;
+
+ fast_path_evt->vport = vport;
+ spin_lock_irqsave(&phba->hbalock, flags);
+ list_add_tail(&fast_path_evt->work_evt.evt_listp, &phba->work_list);
+ spin_unlock_irqrestore(&phba->hbalock, flags);
+ lpfc_worker_wake_up(phba);
+ return;
+}
static void
lpfc_handle_fcp_err(struct lpfc_hba *phba, struct lpfc_vport *vport,
struct lpfc_scsi_buf *lpfc_cmd, struct lpfc_iocbq *rsp_iocb)
@@ -486,6 +706,7 @@ lpfc_handle_fcp_err(struct lpfc_hba *phba, struct lpfc_vport *vport,
uint32_t rsplen = 0;
uint32_t logit = LOG_FCP | LOG_FCP_ERROR;
+
/*
* If this is a task management command, there is no
* scsi packet associated with this lpfc_cmd. The driver
@@ -607,6 +828,7 @@ lpfc_handle_fcp_err(struct lpfc_hba *phba, struct lpfc_vport *vport,
out:
cmnd->result = ScsiResult(host_status, scsi_status);
+ lpfc_send_scsi_error_event(phba, vport, lpfc_cmd, rsp_iocb);
}
static void
@@ -620,9 +842,12 @@ lpfc_scsi_cmd_iocb_cmpl(struct lpfc_hba *phba, struct lpfc_iocbq *pIocbIn,
struct lpfc_nodelist *pnode = rdata->pnode;
struct scsi_cmnd *cmd = lpfc_cmd->pCmd;
int result;
- struct scsi_device *sdev, *tmp_sdev;
+ struct scsi_device *tmp_sdev;
int depth = 0;
unsigned long flags;
+ struct lpfc_fast_path_event *fast_path_evt;
+ struct Scsi_Host *shost = cmd->device->host;
+ uint32_t queue_depth, scsi_id;
lpfc_cmd->result = pIocbOut->iocb.un.ulpWord[4];
lpfc_cmd->status = pIocbOut->iocb.ulpStatus;
@@ -654,6 +879,30 @@ lpfc_scsi_cmd_iocb_cmpl(struct lpfc_hba *phba, struct lpfc_iocbq *pIocbIn,
case IOSTAT_NPORT_BSY:
case IOSTAT_FABRIC_BSY:
cmd->result = ScsiResult(DID_TRANSPORT_DISRUPTED, 0);
+ fast_path_evt = lpfc_alloc_fast_evt(phba);
+ if (!fast_path_evt)
+ break;
+ fast_path_evt->un.fabric_evt.event_type =
+ FC_REG_FABRIC_EVENT;
+ fast_path_evt->un.fabric_evt.subcategory =
+ (lpfc_cmd->status == IOSTAT_NPORT_BSY) ?
+ LPFC_EVENT_PORT_BUSY : LPFC_EVENT_FABRIC_BUSY;
+ if (pnode && NLP_CHK_NODE_ACT(pnode)) {
+ memcpy(&fast_path_evt->un.fabric_evt.wwpn,
+ &pnode->nlp_portname,
+ sizeof(struct lpfc_name));
+ memcpy(&fast_path_evt->un.fabric_evt.wwnn,
+ &pnode->nlp_nodename,
+ sizeof(struct lpfc_name));
+ }
+ fast_path_evt->vport = vport;
+ fast_path_evt->work_evt.evt =
+ LPFC_EVT_FASTPATH_MGMT_EVT;
+ spin_lock_irqsave(&phba->hbalock, flags);
+ list_add_tail(&fast_path_evt->work_evt.evt_listp,
+ &phba->work_list);
+ spin_unlock_irqrestore(&phba->hbalock, flags);
+ lpfc_worker_wake_up(phba);
break;
case IOSTAT_LOCAL_REJECT:
if (lpfc_cmd->result == RJT_UNAVAIL_PERM ||
@@ -686,12 +935,12 @@ lpfc_scsi_cmd_iocb_cmpl(struct lpfc_hba *phba, struct lpfc_iocbq *pIocbIn,
cmd->resid);
}
+ lpfc_update_stats(phba, lpfc_cmd);
result = cmd->result;
- sdev = cmd->device;
if (vport->cfg_max_scsicmpl_time &&
time_after(jiffies, lpfc_cmd->start_time +
msecs_to_jiffies(vport->cfg_max_scsicmpl_time))) {
- spin_lock_irqsave(sdev->host->host_lock, flags);
+ spin_lock_irqsave(shost->host_lock, flags);
if (pnode && NLP_CHK_NODE_ACT(pnode)) {
if (pnode->cmd_qdepth >
atomic_read(&pnode->cmd_pending) &&
@@ -704,22 +953,26 @@ lpfc_scsi_cmd_iocb_cmpl(struct lpfc_hba *phba, struct lpfc_iocbq *pIocbIn,
pnode->last_change_time = jiffies;
}
- spin_unlock_irqrestore(sdev->host->host_lock, flags);
+ spin_unlock_irqrestore(shost->host_lock, flags);
} else if (pnode && NLP_CHK_NODE_ACT(pnode)) {
if ((pnode->cmd_qdepth < LPFC_MAX_TGT_QDEPTH) &&
time_after(jiffies, pnode->last_change_time +
msecs_to_jiffies(LPFC_TGTQ_INTERVAL))) {
- spin_lock_irqsave(sdev->host->host_lock, flags);
+ spin_lock_irqsave(shost->host_lock, flags);
pnode->cmd_qdepth += pnode->cmd_qdepth *
LPFC_TGTQ_RAMPUP_PCENT / 100;
if (pnode->cmd_qdepth > LPFC_MAX_TGT_QDEPTH)
pnode->cmd_qdepth = LPFC_MAX_TGT_QDEPTH;
pnode->last_change_time = jiffies;
- spin_unlock_irqrestore(sdev->host->host_lock, flags);
+ spin_unlock_irqrestore(shost->host_lock, flags);
}
}
lpfc_scsi_unprep_dma_buf(phba, lpfc_cmd);
+
+ /* The sdev is not guaranteed to be valid post scsi_done upcall. */
+ queue_depth = cmd->device->queue_depth;
+ scsi_id = cmd->device->id;
cmd->scsi_done(cmd);
if (phba->cfg_poll & ENABLE_FCP_RING_POLLING) {
@@ -727,11 +980,11 @@ lpfc_scsi_cmd_iocb_cmpl(struct lpfc_hba *phba, struct lpfc_iocbq *pIocbIn,
* If there is a thread waiting for command completion
* wake up the thread.
*/
- spin_lock_irqsave(sdev->host->host_lock, flags);
+ spin_lock_irqsave(shost->host_lock, flags);
lpfc_cmd->pCmd = NULL;
if (lpfc_cmd->waitq)
wake_up(lpfc_cmd->waitq);
- spin_unlock_irqrestore(sdev->host->host_lock, flags);
+ spin_unlock_irqrestore(shost->host_lock, flags);
lpfc_release_scsi_buf(phba, lpfc_cmd);
return;
}
@@ -740,17 +993,17 @@ lpfc_scsi_cmd_iocb_cmpl(struct lpfc_hba *phba, struct lpfc_iocbq *pIocbIn,
goto out_vport_deleted;
if (!result)
- lpfc_rampup_queue_depth(vport, sdev);
+ lpfc_rampup_queue_depth(vport, queue_depth);
if (!result && pnode && NLP_CHK_NODE_ACT(pnode) &&
((jiffies - pnode->last_ramp_up_time) >
LPFC_Q_RAMP_UP_INTERVAL * HZ) &&
((jiffies - pnode->last_q_full_time) >
LPFC_Q_RAMP_UP_INTERVAL * HZ) &&
- (vport->cfg_lun_queue_depth > sdev->queue_depth)) {
- shost_for_each_device(tmp_sdev, sdev->host) {
+ (vport->cfg_lun_queue_depth > queue_depth)) {
+ shost_for_each_device(tmp_sdev, shost) {
if (vport->cfg_lun_queue_depth > tmp_sdev->queue_depth){
- if (tmp_sdev->id != sdev->id)
+ if (tmp_sdev->id != scsi_id)
continue;
if (tmp_sdev->ordered_tags)
scsi_adjust_queue_depth(tmp_sdev,
@@ -764,6 +1017,9 @@ lpfc_scsi_cmd_iocb_cmpl(struct lpfc_hba *phba, struct lpfc_iocbq *pIocbIn,
pnode->last_ramp_up_time = jiffies;
}
}
+ lpfc_send_sdev_queuedepth_change_event(phba, vport, pnode,
+ 0xFFFFFFFF,
+ queue_depth , queue_depth + 1);
}
/*
@@ -774,8 +1030,8 @@ lpfc_scsi_cmd_iocb_cmpl(struct lpfc_hba *phba, struct lpfc_iocbq *pIocbIn,
NLP_CHK_NODE_ACT(pnode)) {
pnode->last_q_full_time = jiffies;
- shost_for_each_device(tmp_sdev, sdev->host) {
- if (tmp_sdev->id != sdev->id)
+ shost_for_each_device(tmp_sdev, shost) {
+ if (tmp_sdev->id != scsi_id)
continue;
depth = scsi_track_queue_full(tmp_sdev,
tmp_sdev->queue_depth - 1);
@@ -787,12 +1043,15 @@ lpfc_scsi_cmd_iocb_cmpl(struct lpfc_hba *phba, struct lpfc_iocbq *pIocbIn,
* scsi_track_queue_full.
*/
if (depth == -1)
- depth = sdev->host->cmd_per_lun;
+ depth = shost->cmd_per_lun;
if (depth) {
lpfc_printf_vlog(vport, KERN_WARNING, LOG_FCP,
"0711 detected queue full - lun queue "
"depth adjusted to %d.\n", depth);
+ lpfc_send_sdev_queuedepth_change_event(phba, vport,
+ pnode, 0xFFFFFFFF,
+ depth+1, depth);
}
}
@@ -801,11 +1060,11 @@ lpfc_scsi_cmd_iocb_cmpl(struct lpfc_hba *phba, struct lpfc_iocbq *pIocbIn,
* If there is a thread waiting for command completion
* wake up the thread.
*/
- spin_lock_irqsave(sdev->host->host_lock, flags);
+ spin_lock_irqsave(shost->host_lock, flags);
lpfc_cmd->pCmd = NULL;
if (lpfc_cmd->waitq)
wake_up(lpfc_cmd->waitq);
- spin_unlock_irqrestore(sdev->host->host_lock, flags);
+ spin_unlock_irqrestore(shost->host_lock, flags);
lpfc_release_scsi_buf(phba, lpfc_cmd);
}
@@ -1139,6 +1398,7 @@ lpfc_queuecommand(struct scsi_cmnd *cmnd, void (*done) (struct scsi_cmnd *))
goto out_host_busy;
}
+ lpfc_cmd->start_time = jiffies;
/*
* Store the midlayer's command structure for the completion phase
* and complete the command initialization.
@@ -1311,6 +1571,7 @@ lpfc_device_reset_handler(struct scsi_cmnd *cmnd)
int ret = SUCCESS;
int status;
int cnt;
+ struct lpfc_scsi_event_header scsi_event;
lpfc_block_error_handler(cmnd);
/*
@@ -1329,6 +1590,19 @@ lpfc_device_reset_handler(struct scsi_cmnd *cmnd)
break;
pnode = rdata->pnode;
}
+
+ scsi_event.event_type = FC_REG_SCSI_EVENT;
+ scsi_event.subcategory = LPFC_EVENT_TGTRESET;
+ scsi_event.lun = 0;
+ memcpy(scsi_event.wwpn, &pnode->nlp_portname, sizeof(struct lpfc_name));
+ memcpy(scsi_event.wwnn, &pnode->nlp_nodename, sizeof(struct lpfc_name));
+
+ fc_host_post_vendor_event(shost,
+ fc_get_event_number(),
+ sizeof(scsi_event),
+ (char *)&scsi_event,
+ LPFC_NL_VENDOR_ID);
+
if (!rdata || pnode->nlp_state != NLP_STE_MAPPED_NODE) {
lpfc_printf_vlog(vport, KERN_ERR, LOG_FCP,
"0721 LUN Reset rport "
@@ -1412,6 +1686,19 @@ lpfc_bus_reset_handler(struct scsi_cmnd *cmnd)
int cnt;
struct lpfc_scsi_buf * lpfc_cmd;
unsigned long later;
+ struct lpfc_scsi_event_header scsi_event;
+
+ scsi_event.event_type = FC_REG_SCSI_EVENT;
+ scsi_event.subcategory = LPFC_EVENT_BUSRESET;
+ scsi_event.lun = 0;
+ memcpy(scsi_event.wwpn, &vport->fc_portname, sizeof(struct lpfc_name));
+ memcpy(scsi_event.wwnn, &vport->fc_nodename, sizeof(struct lpfc_name));
+
+ fc_host_post_vendor_event(shost,
+ fc_get_event_number(),
+ sizeof(scsi_event),
+ (char *)&scsi_event,
+ LPFC_NL_VENDOR_ID);
lpfc_block_error_handler(cmnd);
/*
diff --git a/drivers/scsi/lpfc/lpfc_scsi.h b/drivers/scsi/lpfc/lpfc_scsi.h
index 17cd6d3..b63a7a9 100644
--- a/drivers/scsi/lpfc/lpfc_scsi.h
+++ b/drivers/scsi/lpfc/lpfc_scsi.h
@@ -111,6 +111,10 @@ struct fcp_cmnd {
};
+struct lpfc_scsicmd_bkt {
+ uint32_t cmd_count;
+};
+
struct lpfc_scsi_buf {
struct list_head list;
struct scsi_cmnd *pCmd;
diff --git a/drivers/scsi/lpfc/lpfc_security.c b/drivers/scsi/lpfc/lpfc_security.c
index b5e24c7..faea12b 100644
--- a/drivers/scsi/lpfc/lpfc_security.c
+++ b/drivers/scsi/lpfc/lpfc_security.c
@@ -27,6 +27,7 @@
#include "lpfc_hw.h"
#include "lpfc_sli.h"
+#include "lpfc_nl.h"
#include "lpfc_disc.h"
#include "lpfc.h"
#include "lpfc_crtn.h"
@@ -230,7 +231,7 @@ lpfc_reauth_node(unsigned long ptr)
struct lpfc_work_evt *evtp = &ndlp->els_reauth_evt;
ndlp = (struct lpfc_nodelist *) ptr;
- phba = ndlp->vport->phba;
+ phba = ndlp->phba;
spin_lock_irqsave(&phba->hbalock, flags);
if (!list_empty(&evtp->evt_listp)) {
diff --git a/drivers/scsi/lpfc/lpfc_sli.c b/drivers/scsi/lpfc/lpfc_sli.c
index 9496887..eeeb142 100644
--- a/drivers/scsi/lpfc/lpfc_sli.c
+++ b/drivers/scsi/lpfc/lpfc_sli.c
@@ -32,6 +32,7 @@
#include "lpfc_hw.h"
#include "lpfc_sli.h"
+#include "lpfc_nl.h"
#include "lpfc_disc.h"
#include "lpfc_scsi.h"
#include "lpfc.h"
@@ -619,8 +620,8 @@ static struct lpfc_hbq_init lpfc_els_hbq = {
.profile = 0,
.ring_mask = (1 << LPFC_ELS_RING),
.buffer_count = 0,
- .init_count = 20,
- .add_count = 5,
+ .init_count = 40,
+ .add_count = 40,
};
static struct lpfc_hbq_init lpfc_extra_hbq = {
@@ -958,59 +959,20 @@ lpfc_sli_handle_mb_event(struct lpfc_hba *phba)
return 0;
}
-static struct lpfc_dmabuf *
-lpfc_sli_replace_hbqbuff(struct lpfc_hba *phba, uint32_t tag)
-{
- struct hbq_dmabuf *hbq_entry, *new_hbq_entry;
- uint32_t hbqno;
- void *virt; /* virtual address ptr */
- dma_addr_t phys; /* mapped address */
- unsigned long flags;
-
- /* Check whether HBQ is still in use */
- spin_lock_irqsave(&phba->hbalock, flags);
- if (!phba->hbq_in_use) {
- spin_unlock_irqrestore(&phba->hbalock, flags);
- return NULL;
- }
-
- hbq_entry = lpfc_sli_hbqbuf_find(phba, tag);
- if (hbq_entry == NULL) {
- spin_unlock_irqrestore(&phba->hbalock, flags);
- return NULL;
- }
- list_del(&hbq_entry->dbuf.list);
-
- hbqno = tag >> 16;
- new_hbq_entry = (phba->hbqs[hbqno].hbq_alloc_buffer)(phba);
- if (new_hbq_entry == NULL) {
- list_add_tail(&hbq_entry->dbuf.list, &phba->hbqbuf_in_list);
- spin_unlock_irqrestore(&phba->hbalock, flags);
- return &hbq_entry->dbuf;
- }
- new_hbq_entry->tag = -1;
- phys = new_hbq_entry->dbuf.phys;
- virt = new_hbq_entry->dbuf.virt;
- new_hbq_entry->dbuf.phys = hbq_entry->dbuf.phys;
- new_hbq_entry->dbuf.virt = hbq_entry->dbuf.virt;
- hbq_entry->dbuf.phys = phys;
- hbq_entry->dbuf.virt = virt;
- lpfc_sli_free_hbq(phba, hbq_entry);
- list_add_tail(&new_hbq_entry->dbuf.list, &phba->hbqbuf_in_list);
- spin_unlock_irqrestore(&phba->hbalock, flags);
-
- return &new_hbq_entry->dbuf;
-}
static struct lpfc_dmabuf *
lpfc_sli_get_buff(struct lpfc_hba *phba,
- struct lpfc_sli_ring *pring,
- uint32_t tag)
+ struct lpfc_sli_ring *pring,
+ uint32_t tag)
{
+ struct hbq_dmabuf *hbq_entry;
+
if (tag & QUE_BUFTAG_BIT)
return lpfc_sli_ring_taggedbuf_get(phba, pring, tag);
- else
- return lpfc_sli_replace_hbqbuff(phba, tag);
+ hbq_entry = lpfc_sli_hbqbuf_find(phba, tag);
+ if (!hbq_entry)
+ return NULL;
+ return &hbq_entry->dbuf;
}
static int
@@ -1027,8 +989,6 @@ lpfc_sli_process_unsol_iocb(struct lpfc_hba *phba, struct lpfc_sli_ring *pring,
match = 0;
irsp = &(saveq->iocb);
- if (irsp->ulpStatus == IOSTAT_NEED_BUFFER)
- return 1;
if (irsp->ulpCommand == CMD_ASYNC_STATUS) {
if (pring->lpfc_sli_rcv_async_status)
pring->lpfc_sli_rcv_async_status(phba, pring, saveq);
@@ -1238,6 +1198,17 @@ lpfc_sli_process_sol_iocb(struct lpfc_hba *phba, struct lpfc_sli_ring *pring,
if (cmdiocbp) {
if (cmdiocbp->iocb_cmpl) {
/*
+ * If an ELS command failed send an event to mgmt
+ * application.
+ */
+ if (saveq->iocb.ulpStatus &&
+ (pring->ringno == LPFC_ELS_RING) &&
+ (cmdiocbp->iocb.ulpCommand ==
+ CMD_ELS_REQUEST64_CR))
+ lpfc_send_els_failure_event(phba,
+ cmdiocbp, saveq);
+
+ /*
* Post all ELS completions to the worker thread.
* All other are passed to the completion callback.
*/
@@ -2749,7 +2720,18 @@ lpfc_mbox_timeout_handler(struct lpfc_hba *phba)
struct lpfc_sli *psli = &phba->sli;
struct lpfc_sli_ring *pring;
- if (!(phba->pport->work_port_events & WORKER_MBOX_TMO)) {
+ /* Check the pmbox pointer first. There is a race condition
+ * between the mbox timeout handler getting executed in the
+ * worklist and the mailbox actually completing. When this
+ * race condition occurs, the mbox_active will be NULL.
+ */
+ spin_lock_irq(&phba->hbalock);
+ if (pmbox == NULL) {
+ lpfc_printf_log(phba, KERN_WARNING,
+ LOG_MBOX | LOG_SLI,
+ "0353 Active Mailbox cleared - mailbox timeout "
+ "exiting\n");
+ spin_unlock_irq(&phba->hbalock);
return;
}
@@ -2760,6 +2742,7 @@ lpfc_mbox_timeout_handler(struct lpfc_hba *phba)
phba->pport->port_state,
phba->sli.sli_flag,
phba->sli.mbox_active);
+ spin_unlock_irq(&phba->hbalock);
/* Setting state unknown so lpfc_sli_abort_iocb_ring
* would get IOCB_ERROR from lpfc_sli_issue_iocb, allowing
@@ -3378,7 +3361,7 @@ lpfc_sli_async_event_handler(struct lpfc_hba * phba,
shost = lpfc_shost_from_vport(phba->pport);
fc_host_post_vendor_event(shost, fc_get_event_number(),
sizeof(temp_event_data), (char *) &temp_event_data,
- SCSI_NL_VID_TYPE_PCI | PCI_VENDOR_ID_EMULEX);
+ LPFC_NL_VENDOR_ID);
}
diff --git a/drivers/scsi/lpfc/lpfc_version.h b/drivers/scsi/lpfc/lpfc_version.h
index 297ba9c..f7b9f07 100644
--- a/drivers/scsi/lpfc/lpfc_version.h
+++ b/drivers/scsi/lpfc/lpfc_version.h
@@ -1,7 +1,7 @@
/*******************************************************************
* This file is part of the Emulex Linux Device Driver for *
* Fibre Channel Host Bus Adapters. *
- * Copyright (C) 2004-2008 Emulex. All rights reserved. *
+ * Copyright (C) 2004-2009 Emulex. All rights reserved. *
* EMULEX and SLI are trademarks of Emulex. *
* www.emulex.com *
* *
@@ -18,12 +18,12 @@
* included with this package. *
*******************************************************************/
-#define LPFC_DRIVER_VERSION "8.2.0.33.3p"
+#define LPFC_DRIVER_VERSION "8.2.0.38"
#define LPFC_DRIVER_NAME "lpfc"
#define LPFC_MODULE_DESC "Emulex LightPulse Fibre Channel SCSI driver " \
LPFC_DRIVER_VERSION
-#define LPFC_COPYRIGHT "Copyright(c) 2004-2008 Emulex. All rights reserved."
+#define LPFC_COPYRIGHT "Copyright(c) 2004-2009 Emulex. All rights reserved."
#define DFC_API_VERSION "0.0.0"
diff --git a/drivers/scsi/lpfc/lpfc_vport.c b/drivers/scsi/lpfc/lpfc_vport.c
index 9a449d2..b17ec95 100644
--- a/drivers/scsi/lpfc/lpfc_vport.c
+++ b/drivers/scsi/lpfc/lpfc_vport.c
@@ -34,6 +34,7 @@
#include <scsi/scsi_transport_fc.h>
#include "lpfc_hw.h"
#include "lpfc_sli.h"
+#include "lpfc_nl.h"
#include "lpfc_disc.h"
#include "lpfc_scsi.h"
#include "lpfc.h"
@@ -397,6 +398,9 @@ lpfc_vport_create(struct Scsi_Host *shost, const uint8_t *wwnn,
}
}
+ /* Create binary sysfs attribute for vport */
+ lpfc_alloc_sysfs_attr(vport);
+
vport->port_type = LPFC_NPIV_PORT;
if ((phba->link_state < LPFC_LINK_UP) ||
@@ -529,6 +533,9 @@ lpfc_vport_delete(struct Scsi_Host *shost)
spin_lock_irq(&phba->hbalock);
vport->load_flag |= FC_UNLOADING;
spin_unlock_irq(&phba->hbalock);
+
+ lpfc_free_sysfs_attr(vport);
+
kfree(vport->vname);
lpfc_debugfs_terminate(vport);
fc_remove_host(lpfc_shost_from_vport(vport));
@@ -700,3 +707,81 @@ lpfc_destroy_vport_work_array(struct lpfc_hba *phba, struct lpfc_vport **vports)
scsi_host_put(lpfc_shost_from_vport(vports[i]));
kfree(vports);
}
+
+
+/**
+ * lpfc_vport_reset_stat_data: Reset the statistical data for the vport.
+ * @vport: Pointer to vport object.
+ *
+ * This function resets the statistical data for the vport. This function
+ * is called with the host_lock held
+ **/
+void
+lpfc_vport_reset_stat_data(struct lpfc_vport *vport)
+{
+ struct lpfc_nodelist *ndlp = NULL, *next_ndlp = NULL;
+
+ list_for_each_entry_safe(ndlp, next_ndlp, &vport->fc_nodes, nlp_listp) {
+ if (!NLP_CHK_NODE_ACT(ndlp))
+ continue;
+ if (ndlp->lat_data)
+ memset(ndlp->lat_data, 0, LPFC_MAX_BUCKET_COUNT *
+ sizeof(struct lpfc_scsicmd_bkt));
+ }
+}
+
+
+/**
+ * lpfc_alloc_bucket: Allocate data buffer required for collecting
+ * statistical data.
+ * @vport: Pointer to vport object.
+ *
+ * This function allocates data buffer required for all the FC
+ * nodes of the vport to collect statistical data.
+ **/
+void
+lpfc_alloc_bucket(struct lpfc_vport *vport)
+{
+ struct lpfc_nodelist *ndlp = NULL, *next_ndlp = NULL;
+
+ list_for_each_entry_safe(ndlp, next_ndlp, &vport->fc_nodes, nlp_listp) {
+ if (!NLP_CHK_NODE_ACT(ndlp))
+ continue;
+
+ kfree(ndlp->lat_data);
+ ndlp->lat_data = NULL;
+
+ if (ndlp->nlp_state == NLP_STE_MAPPED_NODE) {
+ ndlp->lat_data = kzalloc(LPFC_MAX_BUCKET_COUNT *
+ sizeof(struct lpfc_scsicmd_bkt), GFP_ATOMIC);
+
+ if (!ndlp->lat_data)
+ lpfc_printf_vlog(vport, KERN_ERR, LOG_NODE,
+ "0287 lpfc_alloc_bucket failed to "
+ "allocate statistical data buffer DID "
+ "0x%x\n", ndlp->nlp_DID);
+ }
+ }
+}
+
+/**
+ * lpfc_free_bucket: Free data buffer required for collecting
+ * statistical data.
+ * @vport: Pointer to vport object.
+ *
+ * Th function frees statistical data buffer of all the FC
+ * nodes of the vport.
+ **/
+void
+lpfc_free_bucket(struct lpfc_vport *vport)
+{
+ struct lpfc_nodelist *ndlp = NULL, *next_ndlp = NULL;
+
+ list_for_each_entry_safe(ndlp, next_ndlp, &vport->fc_nodes, nlp_listp) {
+ if (!NLP_CHK_NODE_ACT(ndlp))
+ continue;
+
+ kfree(ndlp->lat_data);
+ ndlp->lat_data = NULL;
+ }
+}
diff --git a/drivers/scsi/lpfc/lpfc_vport.h b/drivers/scsi/lpfc/lpfc_vport.h
index 87004dc..76037cf 100644
--- a/drivers/scsi/lpfc/lpfc_vport.h
+++ b/drivers/scsi/lpfc/lpfc_vport.h
@@ -113,4 +113,8 @@ struct vport_cmd_tag {
void lpfc_vport_set_state(struct lpfc_vport *vport,
enum fc_vport_state new_state);
+void lpfc_vport_reset_stat_data(struct lpfc_vport *);
+void lpfc_alloc_bucket(struct lpfc_vport *);
+void lpfc_free_bucket(struct lpfc_vport *);
+
#endif /* H_LPFC_VPORT */
distrib
>
Scientific%20Linux
>
5x
>
x86_64
>
by-pkgid
>
fc11cd6e1c513a17304da94a5390f3cd
>
files
>
3477
