/*
- * This file is part of the zfcp device driver for
- * FCP adapters for IBM System z9 and zSeries.
+ * zfcp device driver
*
- * (C) Copyright IBM Corp. 2002, 2006
+ * Debug traces for zfcp.
*
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2, or (at your option)
- * any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ * Copyright IBM Corporation 2002, 2008
*/
#include <linux/ctype.h>
MODULE_PARM_DESC(dbfsize,
"number of pages for each debug feature area (default 4)");
-#define ZFCP_LOG_AREA ZFCP_LOG_AREA_OTHER
-
static void zfcp_dbf_hexdump(debug_info_t *dbf, void *to, int to_len,
int level, char *from, int from_len)
{
return p - out_buf;
}
+/**
+ * zfcp_hba_dbf_event_fsf_response - trace event for request completion
+ * @fsf_req: request that has been completed
+ */
void zfcp_hba_dbf_event_fsf_response(struct zfcp_fsf_req *fsf_req)
{
struct zfcp_adapter *adapter = fsf_req->adapter;
fsf_status_qual, FSF_STATUS_QUALIFIER_SIZE);
response->fsf_req_status = fsf_req->status;
response->sbal_first = fsf_req->sbal_first;
- response->sbal_curr = fsf_req->sbal_curr;
response->sbal_last = fsf_req->sbal_last;
+ response->sbal_response = fsf_req->sbal_response;
response->pool = fsf_req->pool != NULL;
response->erp_action = (unsigned long)fsf_req->erp_action;
spin_unlock_irqrestore(&adapter->hba_dbf_lock, flags);
}
+/**
+ * zfcp_hba_dbf_event_fsf_unsol - trace event for an unsolicited status buffer
+ * @tag: tag indicating which kind of unsolicited status has been received
+ * @adapter: adapter that has issued the unsolicited status buffer
+ * @status_buffer: buffer containing payload of unsolicited status
+ */
void zfcp_hba_dbf_event_fsf_unsol(const char *tag, struct zfcp_adapter *adapter,
struct fsf_status_read_buffer *status_buffer)
{
strncpy(rec->tag, "stat", ZFCP_DBF_TAG_SIZE);
strncpy(rec->tag2, tag, ZFCP_DBF_TAG_SIZE);
- rec->u.status.failed = adapter->status_read_failed;
+ rec->u.status.failed = atomic_read(&adapter->stat_miss);
if (status_buffer != NULL) {
rec->u.status.status_type = status_buffer->status_type;
rec->u.status.status_subtype = status_buffer->status_subtype;
spin_unlock_irqrestore(&adapter->hba_dbf_lock, flags);
}
+/**
+ * zfcp_hba_dbf_event_qdio - trace event for QDIO related failure
+ * @adapter: adapter affected by this QDIO related event
+ * @status: as passed by qdio module
+ * @qdio_error: as passed by qdio module
+ * @siga_error: as passed by qdio module
+ * @sbal_index: first buffer with error condition, as passed by qdio module
+ * @sbal_count: number of buffers affected, as passed by qdio module
+ */
void zfcp_hba_dbf_event_qdio(struct zfcp_adapter *adapter, unsigned int status,
unsigned int qdio_error, unsigned int siga_error,
int sbal_index, int sbal_count)
FSF_STATUS_QUALIFIER_SIZE, 0, FSF_STATUS_QUALIFIER_SIZE);
zfcp_dbf_out(p, "fsf_req_status", "0x%08x", r->fsf_req_status);
zfcp_dbf_out(p, "sbal_first", "0x%02x", r->sbal_first);
- zfcp_dbf_out(p, "sbal_curr", "0x%02x", r->sbal_curr);
zfcp_dbf_out(p, "sbal_last", "0x%02x", r->sbal_last);
+ zfcp_dbf_out(p, "sbal_response", "0x%02x", r->sbal_response);
zfcp_dbf_out(p, "pool", "0x%02x", r->pool);
switch (r->fsf_command) {
[52] = "port boxed close unit",
[53] = "port boxed fcp",
[54] = "unit boxed fcp",
- [55] = "port access denied ct",
- [56] = "port access denied els",
- [57] = "port access denied open port",
- [58] = "port access denied close physical",
- [59] = "unit access denied open unit",
+ [55] = "port access denied",
+ [56] = "",
+ [57] = "",
+ [58] = "",
+ [59] = "unit access denied",
[60] = "shared unit access denied open unit",
- [61] = "unit access denied fcp",
+ [61] = "",
[62] = "request timeout",
[63] = "adisc link test reject or timeout",
[64] = "adisc link test d_id changed",
[80] = "exclusive read-only unit access unsupported",
[81] = "shared read-write unit access unsupported",
[82] = "incoming rscn",
- [83] = "incoming plogi",
- [84] = "incoming logo",
+ [83] = "incoming wwpn",
+ [84] = "",
[85] = "online",
[86] = "offline",
[87] = "ccw device gone",
[120] = "unknown fsf command",
[121] = "no recommendation for status qualifier",
[122] = "status read physical port closed in error",
- [123] = "fc service class not supported ct",
- [124] = "fc service class not supported els",
+ [123] = "fc service class not supported",
+ [124] = "",
[125] = "need newer zfcp",
[126] = "need newer microcode",
[127] = "arbitrated loop not supported",
[129] = "qtcb size mismatch",
[130] = "unknown fsf status ecd",
[131] = "fcp request too big",
- [132] = "fc service class not supported fcp",
+ [132] = "",
[133] = "data direction not valid fcp",
[134] = "command length not valid fcp",
[135] = "status read act update",
[137] = "hbaapi port open",
[138] = "hbaapi unit open",
[139] = "hbaapi unit shutdown",
- [140] = "qdio error",
+ [140] = "qdio error outbound",
[141] = "scsi host reset",
[142] = "dismissing fsf request for recovery action",
[143] = "recovery action timed out",
[144] = "recovery action gone",
[145] = "recovery action being processed",
[146] = "recovery action ready for next step",
+ [147] = "qdio error inbound",
+ [148] = "nameserver needed for port scan",
+ [149] = "port scan",
+ [150] = "ptp attach",
+ [151] = "port validation failed",
};
static int zfcp_rec_dbf_view_format(debug_info_t *id, struct debug_view *view,
zfcp_dbf_out(&p, "id", "%d", r->id2);
switch (r->id) {
case ZFCP_REC_DBF_ID_THREAD:
- zfcp_dbf_out(&p, "sema", "%d", r->u.thread.sema);
zfcp_dbf_out(&p, "total", "%d", r->u.thread.total);
zfcp_dbf_out(&p, "ready", "%d", r->u.thread.ready);
zfcp_dbf_out(&p, "running", "%d", r->u.thread.running);
* zfcp_rec_dbf_event_thread - trace event related to recovery thread operation
* @id2: identifier for event
* @adapter: adapter
- * @lock: non-zero value indicates that erp_lock has not yet been acquired
+ * This function assumes that the caller is holding erp_lock.
*/
-void zfcp_rec_dbf_event_thread(u8 id2, struct zfcp_adapter *adapter, int lock)
+void zfcp_rec_dbf_event_thread(u8 id2, struct zfcp_adapter *adapter)
{
struct zfcp_rec_dbf_record *r = &adapter->rec_dbf_buf;
unsigned long flags = 0;
struct list_head *entry;
unsigned ready = 0, running = 0, total;
- if (lock)
- read_lock_irqsave(&adapter->erp_lock, flags);
list_for_each(entry, &adapter->erp_ready_head)
ready++;
list_for_each(entry, &adapter->erp_running_head)
running++;
total = adapter->erp_total_count;
- if (lock)
- read_unlock_irqrestore(&adapter->erp_lock, flags);
spin_lock_irqsave(&adapter->rec_dbf_lock, flags);
memset(r, 0, sizeof(*r));
r->id = ZFCP_REC_DBF_ID_THREAD;
r->id2 = id2;
- r->u.thread.sema = atomic_read(&adapter->erp_ready_sem.count);
r->u.thread.total = total;
r->u.thread.ready = ready;
r->u.thread.running = running;
- debug_event(adapter->rec_dbf, 5, r, sizeof(*r));
+ debug_event(adapter->rec_dbf, 6, r, sizeof(*r));
spin_unlock_irqrestore(&adapter->rec_dbf_lock, flags);
}
-static void zfcp_rec_dbf_event_target(u8 id2, u64 ref,
+/**
+ * zfcp_rec_dbf_event_thread - trace event related to recovery thread operation
+ * @id2: identifier for event
+ * @adapter: adapter
+ * This function assumes that the caller does not hold erp_lock.
+ */
+void zfcp_rec_dbf_event_thread_lock(u8 id2, struct zfcp_adapter *adapter)
+{
+ unsigned long flags;
+
+ read_lock_irqsave(&adapter->erp_lock, flags);
+ zfcp_rec_dbf_event_thread(id2, adapter);
+ read_unlock_irqrestore(&adapter->erp_lock, flags);
+}
+
+static void zfcp_rec_dbf_event_target(u8 id2, void *ref,
struct zfcp_adapter *adapter,
atomic_t *status, atomic_t *erp_count,
u64 wwpn, u32 d_id, u64 fcp_lun)
memset(r, 0, sizeof(*r));
r->id = ZFCP_REC_DBF_ID_TARGET;
r->id2 = id2;
- r->u.target.ref = ref;
+ r->u.target.ref = (unsigned long)ref;
r->u.target.status = atomic_read(status);
r->u.target.wwpn = wwpn;
r->u.target.d_id = d_id;
* @ref: additional reference (e.g. request)
* @adapter: adapter
*/
-void zfcp_rec_dbf_event_adapter(u8 id, u64 ref, struct zfcp_adapter *adapter)
+void zfcp_rec_dbf_event_adapter(u8 id, void *ref, struct zfcp_adapter *adapter)
{
zfcp_rec_dbf_event_target(id, ref, adapter, &adapter->status,
&adapter->erp_counter, 0, 0, 0);
* @ref: additional reference (e.g. request)
* @port: port
*/
-void zfcp_rec_dbf_event_port(u8 id, u64 ref, struct zfcp_port *port)
+void zfcp_rec_dbf_event_port(u8 id, void *ref, struct zfcp_port *port)
{
struct zfcp_adapter *adapter = port->adapter;
* @ref: additional reference (e.g. request)
* @unit: unit
*/
-void zfcp_rec_dbf_event_unit(u8 id, u64 ref, struct zfcp_unit *unit)
+void zfcp_rec_dbf_event_unit(u8 id, void *ref, struct zfcp_unit *unit)
{
struct zfcp_port *port = unit->port;
struct zfcp_adapter *adapter = port->adapter;
* @port: port
* @unit: unit
*/
-void zfcp_rec_dbf_event_trigger(u8 id2, u64 ref, u8 want, u8 need, u64 action,
- struct zfcp_adapter *adapter,
+void zfcp_rec_dbf_event_trigger(u8 id2, void *ref, u8 want, u8 need,
+ void *action, struct zfcp_adapter *adapter,
struct zfcp_port *port, struct zfcp_unit *unit)
{
struct zfcp_rec_dbf_record *r = &adapter->rec_dbf_buf;
memset(r, 0, sizeof(*r));
r->id = ZFCP_REC_DBF_ID_TRIGGER;
r->id2 = id2;
- r->u.trigger.ref = ref;
+ r->u.trigger.ref = (unsigned long)ref;
r->u.trigger.want = want;
r->u.trigger.need = need;
- r->u.trigger.action = action;
+ r->u.trigger.action = (unsigned long)action;
r->u.trigger.as = atomic_read(&adapter->status);
if (port) {
r->u.trigger.ps = atomic_read(&port->status);
memset(r, 0, sizeof(*r));
r->id = ZFCP_REC_DBF_ID_ACTION;
r->id2 = id2;
- r->u.action.action = (u64)erp_action;
+ r->u.action.action = (unsigned long)erp_action;
r->u.action.status = erp_action->status;
r->u.action.step = erp_action->step;
- r->u.action.fsf_req = (u64)erp_action->fsf_req;
- debug_event(adapter->rec_dbf, 4, r, sizeof(*r));
+ r->u.action.fsf_req = (unsigned long)erp_action->fsf_req;
+ debug_event(adapter->rec_dbf, 5, r, sizeof(*r));
spin_unlock_irqrestore(&adapter->rec_dbf_lock, flags);
}
+/**
+ * zfcp_san_dbf_event_ct_request - trace event for issued CT request
+ * @fsf_req: request containing issued CT data
+ */
void zfcp_san_dbf_event_ct_request(struct zfcp_fsf_req *fsf_req)
{
struct zfcp_send_ct *ct = (struct zfcp_send_ct *)fsf_req->data;
spin_unlock_irqrestore(&adapter->san_dbf_lock, flags);
}
+/**
+ * zfcp_san_dbf_event_ct_response - trace event for completion of CT request
+ * @fsf_req: request containing CT response
+ */
void zfcp_san_dbf_event_ct_response(struct zfcp_fsf_req *fsf_req)
{
struct zfcp_send_ct *ct = (struct zfcp_send_ct *)fsf_req->data;
spin_unlock_irqrestore(&adapter->san_dbf_lock, flags);
}
+/**
+ * zfcp_san_dbf_event_els_request - trace event for issued ELS
+ * @fsf_req: request containing issued ELS
+ */
void zfcp_san_dbf_event_els_request(struct zfcp_fsf_req *fsf_req)
{
struct zfcp_send_els *els = (struct zfcp_send_els *)fsf_req->data;
zfcp_sg_to_address(els->req), els->req->length);
}
+/**
+ * zfcp_san_dbf_event_els_response - trace event for completed ELS
+ * @fsf_req: request containing ELS response
+ */
void zfcp_san_dbf_event_els_response(struct zfcp_fsf_req *fsf_req)
{
struct zfcp_send_els *els = (struct zfcp_send_els *)fsf_req->data;
els->resp->length);
}
+/**
+ * zfcp_san_dbf_event_incoming_els - trace event for incomig ELS
+ * @fsf_req: request containing unsolicited status buffer with incoming ELS
+ */
void zfcp_san_dbf_event_incoming_els(struct zfcp_fsf_req *fsf_req)
{
struct zfcp_adapter *adapter = fsf_req->adapter;
zfcp_san_dbf_event_els("iels", 1, fsf_req, buf->d_id,
fc_host_port_id(adapter->scsi_host),
- *(u8 *)buf->payload, (void *)buf->payload,
+ buf->payload.data[0], (void *)buf->payload.data,
length);
}
rec->scsi_result = scsi_cmnd->result;
rec->scsi_cmnd = (unsigned long)scsi_cmnd;
rec->scsi_serial = scsi_cmnd->serial_number;
- memcpy(rec->scsi_opcode, &scsi_cmnd->cmnd,
+ memcpy(rec->scsi_opcode, scsi_cmnd->cmnd,
min((int)scsi_cmnd->cmd_len,
ZFCP_DBF_SCSI_OPCODE));
rec->scsi_retries = scsi_cmnd->retries;
if (fsf_req != NULL) {
fcp_rsp = (struct fcp_rsp_iu *)
&(fsf_req->qtcb->bottom.io.fcp_rsp);
- fcp_rsp_info =
- zfcp_get_fcp_rsp_info_ptr(fcp_rsp);
+ fcp_rsp_info = (unsigned char *) &fcp_rsp[1];
fcp_sns_info =
zfcp_get_fcp_sns_info_ptr(fcp_rsp);
spin_unlock_irqrestore(&adapter->scsi_dbf_lock, flags);
}
+/**
+ * zfcp_scsi_dbf_event_result - trace event for SCSI command completion
+ * @tag: tag indicating success or failure of SCSI command
+ * @level: trace level applicable for this event
+ * @adapter: adapter that has been used to issue the SCSI command
+ * @scsi_cmnd: SCSI command pointer
+ * @fsf_req: request used to issue SCSI command (might be NULL)
+ */
void zfcp_scsi_dbf_event_result(const char *tag, int level,
struct zfcp_adapter *adapter,
struct scsi_cmnd *scsi_cmnd,
zfcp_scsi_dbf_event("rslt", tag, level, adapter, scsi_cmnd, fsf_req, 0);
}
+/**
+ * zfcp_scsi_dbf_event_abort - trace event for SCSI command abort
+ * @tag: tag indicating success or failure of abort operation
+ * @adapter: adapter thas has been used to issue SCSI command to be aborted
+ * @scsi_cmnd: SCSI command to be aborted
+ * @new_fsf_req: request containing abort (might be NULL)
+ * @old_req_id: identifier of request containg SCSI command to be aborted
+ */
void zfcp_scsi_dbf_event_abort(const char *tag, struct zfcp_adapter *adapter,
struct scsi_cmnd *scsi_cmnd,
struct zfcp_fsf_req *new_fsf_req,
old_req_id);
}
+/**
+ * zfcp_scsi_dbf_event_devreset - trace event for Logical Unit or Target Reset
+ * @tag: tag indicating success or failure of reset operation
+ * @flag: indicates type of reset (Target Reset, Logical Unit Reset)
+ * @unit: unit that needs reset
+ * @scsi_cmnd: SCSI command which caused this error recovery
+ */
void zfcp_scsi_dbf_event_devreset(const char *tag, u8 flag,
struct zfcp_unit *unit,
struct scsi_cmnd *scsi_cmnd)
adapter->hba_dbf = NULL;
adapter->rec_dbf = NULL;
}
-
-#undef ZFCP_LOG_AREA
projects / linux-2.6-omap-h63xx.git / blobdiff