2005-09-13 15:50:38 -04:00
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/*
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2008-06-10 12:20:58 -04:00
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* zfcp device driver
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2005-09-13 15:50:38 -04:00
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*
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2008-06-10 12:20:58 -04:00
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* Debug traces for zfcp.
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2005-09-13 15:50:38 -04:00
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*
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2008-06-10 12:20:58 -04:00
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* Copyright IBM Corporation 2002, 2008
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2005-09-13 15:50:38 -04:00
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*/
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2008-12-25 07:39:53 -05:00
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#define KMSG_COMPONENT "zfcp"
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#define pr_fmt(fmt) KMSG_COMPONENT ": " fmt
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2005-09-13 15:50:38 -04:00
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#include <linux/ctype.h>
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2007-10-12 10:11:35 -04:00
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#include <asm/debug.h>
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2005-09-13 15:50:38 -04:00
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#include "zfcp_ext.h"
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static u32 dbfsize = 4;
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module_param(dbfsize, uint, 0400);
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MODULE_PARM_DESC(dbfsize,
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"number of pages for each debug feature area (default 4)");
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2008-03-27 09:21:55 -04:00
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static void zfcp_dbf_hexdump(debug_info_t *dbf, void *to, int to_len,
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int level, char *from, int from_len)
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{
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int offset;
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struct zfcp_dbf_dump *dump = to;
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int room = to_len - sizeof(*dump);
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for (offset = 0; offset < from_len; offset += dump->size) {
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memset(to, 0, to_len);
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strncpy(dump->tag, "dump", ZFCP_DBF_TAG_SIZE);
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dump->total_size = from_len;
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dump->offset = offset;
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dump->size = min(from_len - offset, room);
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memcpy(dump->data, from + offset, dump->size);
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2008-11-04 10:35:12 -05:00
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debug_event(dbf, level, dump, dump->size + sizeof(*dump));
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2008-03-27 09:21:55 -04:00
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}
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}
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2008-03-31 05:15:23 -04:00
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/* FIXME: this duplicate this code in s390 debug feature */
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static void zfcp_dbf_timestamp(unsigned long long stck, struct timespec *time)
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2005-09-13 15:50:38 -04:00
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{
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unsigned long long sec;
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stck -= 0x8126d60e46000000LL - (0x3c26700LL * 1000000 * 4096);
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sec = stck >> 12;
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do_div(sec, 1000000);
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2008-03-31 05:15:23 -04:00
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time->tv_sec = sec;
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2005-09-13 15:50:38 -04:00
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stck -= (sec * 1000000) << 12;
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2008-03-31 05:15:23 -04:00
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time->tv_nsec = ((stck * 1000) >> 12);
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2005-09-13 15:50:38 -04:00
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}
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2008-03-31 05:15:27 -04:00
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static void zfcp_dbf_tag(char **p, const char *label, const char *tag)
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2005-09-13 15:50:38 -04:00
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{
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2008-03-31 05:15:27 -04:00
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int i;
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2005-09-13 15:50:38 -04:00
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2008-03-31 05:15:27 -04:00
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*p += sprintf(*p, "%-24s", label);
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2005-09-13 15:50:38 -04:00
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for (i = 0; i < ZFCP_DBF_TAG_SIZE; i++)
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2008-03-31 05:15:27 -04:00
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*p += sprintf(*p, "%c", tag[i]);
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*p += sprintf(*p, "\n");
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2005-09-13 15:50:38 -04:00
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}
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2008-03-27 09:21:59 -04:00
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static void zfcp_dbf_outs(char **buf, const char *s1, const char *s2)
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{
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*buf += sprintf(*buf, "%-24s%s\n", s1, s2);
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}
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static void zfcp_dbf_out(char **buf, const char *s, const char *format, ...)
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{
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va_list arg;
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*buf += sprintf(*buf, "%-24s", s);
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va_start(arg, format);
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*buf += vsprintf(*buf, format, arg);
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va_end(arg);
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*buf += sprintf(*buf, "\n");
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}
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2008-03-31 05:15:26 -04:00
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static void zfcp_dbf_outd(char **p, const char *label, char *buffer,
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int buflen, int offset, int total_size)
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2005-09-13 15:50:38 -04:00
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{
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2008-03-31 05:15:26 -04:00
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if (!offset)
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*p += sprintf(*p, "%-24s ", label);
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2005-09-13 15:50:38 -04:00
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while (buflen--) {
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if (offset > 0) {
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if ((offset % 32) == 0)
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2008-03-31 05:15:26 -04:00
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*p += sprintf(*p, "\n%-24c ", ' ');
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2005-09-13 15:50:38 -04:00
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else if ((offset % 4) == 0)
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2008-03-31 05:15:26 -04:00
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*p += sprintf(*p, " ");
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2005-09-13 15:50:38 -04:00
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}
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2008-03-31 05:15:26 -04:00
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*p += sprintf(*p, "%02x", *buffer++);
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2005-09-13 15:50:38 -04:00
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if (++offset == total_size) {
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2008-03-31 05:15:26 -04:00
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*p += sprintf(*p, "\n");
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2005-09-13 15:50:38 -04:00
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break;
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}
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}
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2008-03-31 05:15:26 -04:00
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if (!total_size)
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*p += sprintf(*p, "\n");
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2005-09-13 15:50:38 -04:00
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}
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2008-03-31 05:15:30 -04:00
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static int zfcp_dbf_view_header(debug_info_t *id, struct debug_view *view,
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int area, debug_entry_t *entry, char *out_buf)
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2005-09-13 15:50:38 -04:00
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{
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struct zfcp_dbf_dump *dump = (struct zfcp_dbf_dump *)DEBUG_DATA(entry);
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2008-03-31 05:15:23 -04:00
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struct timespec t;
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2008-03-31 05:15:24 -04:00
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char *p = out_buf;
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2005-09-13 15:50:38 -04:00
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if (strncmp(dump->tag, "dump", ZFCP_DBF_TAG_SIZE) != 0) {
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2008-03-31 05:15:23 -04:00
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zfcp_dbf_timestamp(entry->id.stck, &t);
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2008-03-31 05:15:24 -04:00
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zfcp_dbf_out(&p, "timestamp", "%011lu:%06lu",
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t.tv_sec, t.tv_nsec);
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zfcp_dbf_out(&p, "cpu", "%02i", entry->id.fields.cpuid);
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} else {
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2008-11-04 10:35:12 -05:00
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zfcp_dbf_outd(&p, "", dump->data, dump->size, dump->offset,
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2008-03-31 05:15:26 -04:00
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dump->total_size);
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2005-09-13 15:50:38 -04:00
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if ((dump->offset + dump->size) == dump->total_size)
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2008-03-31 05:15:24 -04:00
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p += sprintf(p, "\n");
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2005-09-13 15:50:38 -04:00
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}
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2008-03-31 05:15:24 -04:00
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return p - out_buf;
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2005-09-13 15:50:38 -04:00
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}
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2008-03-31 05:15:31 -04:00
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/**
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* zfcp_hba_dbf_event_fsf_response - trace event for request completion
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* @fsf_req: request that has been completed
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*/
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2007-02-05 15:18:53 -05:00
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void zfcp_hba_dbf_event_fsf_response(struct zfcp_fsf_req *fsf_req)
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2005-09-13 15:50:38 -04:00
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{
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struct zfcp_adapter *adapter = fsf_req->adapter;
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struct fsf_qtcb *qtcb = fsf_req->qtcb;
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union fsf_prot_status_qual *prot_status_qual =
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2008-03-31 05:15:30 -04:00
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&qtcb->prefix.prot_status_qual;
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2005-09-13 15:50:38 -04:00
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union fsf_status_qual *fsf_status_qual = &qtcb->header.fsf_status_qual;
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struct scsi_cmnd *scsi_cmnd;
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struct zfcp_port *port;
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struct zfcp_unit *unit;
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struct zfcp_send_els *send_els;
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struct zfcp_hba_dbf_record *rec = &adapter->hba_dbf_buf;
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2008-03-31 05:15:29 -04:00
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struct zfcp_hba_dbf_record_response *response = &rec->u.response;
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2005-09-13 15:50:38 -04:00
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int level;
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unsigned long flags;
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spin_lock_irqsave(&adapter->hba_dbf_lock, flags);
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2008-03-31 05:15:29 -04:00
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memset(rec, 0, sizeof(*rec));
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2005-09-13 15:50:38 -04:00
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strncpy(rec->tag, "resp", ZFCP_DBF_TAG_SIZE);
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if ((qtcb->prefix.prot_status != FSF_PROT_GOOD) &&
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(qtcb->prefix.prot_status != FSF_PROT_FSF_STATUS_PRESENTED)) {
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strncpy(rec->tag2, "perr", ZFCP_DBF_TAG_SIZE);
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level = 1;
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} else if (qtcb->header.fsf_status != FSF_GOOD) {
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strncpy(rec->tag2, "ferr", ZFCP_DBF_TAG_SIZE);
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level = 1;
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} else if ((fsf_req->fsf_command == FSF_QTCB_OPEN_PORT_WITH_DID) ||
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(fsf_req->fsf_command == FSF_QTCB_OPEN_LUN)) {
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strncpy(rec->tag2, "open", ZFCP_DBF_TAG_SIZE);
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level = 4;
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2008-03-27 09:21:58 -04:00
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} else if (qtcb->header.log_length) {
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strncpy(rec->tag2, "qtcb", ZFCP_DBF_TAG_SIZE);
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level = 5;
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2005-09-13 15:50:38 -04:00
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} else {
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strncpy(rec->tag2, "norm", ZFCP_DBF_TAG_SIZE);
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level = 6;
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}
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response->fsf_command = fsf_req->fsf_command;
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response->fsf_reqid = (unsigned long)fsf_req;
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response->fsf_seqno = fsf_req->seq_no;
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response->fsf_issued = fsf_req->issued;
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response->fsf_prot_status = qtcb->prefix.prot_status;
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response->fsf_status = qtcb->header.fsf_status;
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memcpy(response->fsf_prot_status_qual,
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prot_status_qual, FSF_PROT_STATUS_QUAL_SIZE);
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memcpy(response->fsf_status_qual,
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fsf_status_qual, FSF_STATUS_QUALIFIER_SIZE);
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response->fsf_req_status = fsf_req->status;
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response->sbal_first = fsf_req->sbal_first;
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2008-05-19 06:17:43 -04:00
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response->sbal_last = fsf_req->sbal_last;
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2008-05-19 06:17:44 -04:00
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response->sbal_response = fsf_req->sbal_response;
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2005-09-13 15:50:38 -04:00
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response->pool = fsf_req->pool != NULL;
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response->erp_action = (unsigned long)fsf_req->erp_action;
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switch (fsf_req->fsf_command) {
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case FSF_QTCB_FCP_CMND:
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if (fsf_req->status & ZFCP_STATUS_FSFREQ_TASK_MANAGEMENT)
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break;
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scsi_cmnd = (struct scsi_cmnd *)fsf_req->data;
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2008-03-31 05:15:29 -04:00
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if (scsi_cmnd) {
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response->u.fcp.cmnd = (unsigned long)scsi_cmnd;
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response->u.fcp.serial = scsi_cmnd->serial_number;
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2005-09-13 15:50:38 -04:00
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}
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break;
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case FSF_QTCB_OPEN_PORT_WITH_DID:
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case FSF_QTCB_CLOSE_PORT:
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case FSF_QTCB_CLOSE_PHYSICAL_PORT:
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port = (struct zfcp_port *)fsf_req->data;
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2008-03-31 05:15:29 -04:00
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response->u.port.wwpn = port->wwpn;
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response->u.port.d_id = port->d_id;
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response->u.port.port_handle = qtcb->header.port_handle;
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2005-09-13 15:50:38 -04:00
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break;
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case FSF_QTCB_OPEN_LUN:
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case FSF_QTCB_CLOSE_LUN:
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unit = (struct zfcp_unit *)fsf_req->data;
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port = unit->port;
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2008-03-31 05:15:29 -04:00
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response->u.unit.wwpn = port->wwpn;
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response->u.unit.fcp_lun = unit->fcp_lun;
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response->u.unit.port_handle = qtcb->header.port_handle;
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response->u.unit.lun_handle = qtcb->header.lun_handle;
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2005-09-13 15:50:38 -04:00
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break;
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case FSF_QTCB_SEND_ELS:
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send_els = (struct zfcp_send_els *)fsf_req->data;
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2008-03-31 05:15:29 -04:00
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response->u.els.d_id = qtcb->bottom.support.d_id;
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response->u.els.ls_code = send_els->ls_code >> 24;
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2005-09-13 15:50:38 -04:00
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break;
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case FSF_QTCB_ABORT_FCP_CMND:
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case FSF_QTCB_SEND_GENERIC:
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case FSF_QTCB_EXCHANGE_CONFIG_DATA:
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case FSF_QTCB_EXCHANGE_PORT_DATA:
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case FSF_QTCB_DOWNLOAD_CONTROL_FILE:
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case FSF_QTCB_UPLOAD_CONTROL_FILE:
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break;
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}
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2008-03-31 05:15:29 -04:00
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debug_event(adapter->hba_dbf, level, rec, sizeof(*rec));
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2008-03-27 09:21:58 -04:00
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/* have fcp channel microcode fixed to use as little as possible */
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if (fsf_req->fsf_command != FSF_QTCB_FCP_CMND) {
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/* adjust length skipping trailing zeros */
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char *buf = (char *)qtcb + qtcb->header.log_start;
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int len = qtcb->header.log_length;
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for (; len && !buf[len - 1]; len--);
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zfcp_dbf_hexdump(adapter->hba_dbf, rec, sizeof(*rec), level,
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buf, len);
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}
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2005-09-13 15:50:38 -04:00
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spin_unlock_irqrestore(&adapter->hba_dbf_lock, flags);
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}
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2008-03-31 05:15:31 -04:00
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/**
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* zfcp_hba_dbf_event_fsf_unsol - trace event for an unsolicited status buffer
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* @tag: tag indicating which kind of unsolicited status has been received
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* @adapter: adapter that has issued the unsolicited status buffer
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* @status_buffer: buffer containing payload of unsolicited status
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*/
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2008-03-31 05:15:30 -04:00
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void zfcp_hba_dbf_event_fsf_unsol(const char *tag, struct zfcp_adapter *adapter,
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struct fsf_status_read_buffer *status_buffer)
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2005-09-13 15:50:38 -04:00
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{
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struct zfcp_hba_dbf_record *rec = &adapter->hba_dbf_buf;
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unsigned long flags;
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spin_lock_irqsave(&adapter->hba_dbf_lock, flags);
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2008-03-31 05:15:29 -04:00
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memset(rec, 0, sizeof(*rec));
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2005-09-13 15:50:38 -04:00
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strncpy(rec->tag, "stat", ZFCP_DBF_TAG_SIZE);
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strncpy(rec->tag2, tag, ZFCP_DBF_TAG_SIZE);
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2008-05-19 06:17:37 -04:00
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rec->u.status.failed = atomic_read(&adapter->stat_miss);
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2005-09-13 15:50:38 -04:00
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if (status_buffer != NULL) {
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2008-03-31 05:15:29 -04:00
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rec->u.status.status_type = status_buffer->status_type;
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rec->u.status.status_subtype = status_buffer->status_subtype;
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memcpy(&rec->u.status.queue_designator,
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2005-09-13 15:50:38 -04:00
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&status_buffer->queue_designator,
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sizeof(struct fsf_queue_designator));
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switch (status_buffer->status_type) {
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case FSF_STATUS_READ_SENSE_DATA_AVAIL:
|
2008-03-31 05:15:29 -04:00
|
|
|
rec->u.status.payload_size =
|
2005-09-13 15:50:38 -04:00
|
|
|
ZFCP_DBF_UNSOL_PAYLOAD_SENSE_DATA_AVAIL;
|
|
|
|
break;
|
|
|
|
|
|
|
|
case FSF_STATUS_READ_BIT_ERROR_THRESHOLD:
|
2008-03-31 05:15:29 -04:00
|
|
|
rec->u.status.payload_size =
|
2005-09-13 15:50:38 -04:00
|
|
|
ZFCP_DBF_UNSOL_PAYLOAD_BIT_ERROR_THRESHOLD;
|
|
|
|
break;
|
|
|
|
|
|
|
|
case FSF_STATUS_READ_LINK_DOWN:
|
2005-09-13 15:51:16 -04:00
|
|
|
switch (status_buffer->status_subtype) {
|
|
|
|
case FSF_STATUS_READ_SUB_NO_PHYSICAL_LINK:
|
|
|
|
case FSF_STATUS_READ_SUB_FDISC_FAILED:
|
2008-03-31 05:15:29 -04:00
|
|
|
rec->u.status.payload_size =
|
2005-09-13 15:51:16 -04:00
|
|
|
sizeof(struct fsf_link_down_info);
|
|
|
|
}
|
2005-09-13 15:50:38 -04:00
|
|
|
break;
|
|
|
|
|
2005-09-13 15:51:16 -04:00
|
|
|
case FSF_STATUS_READ_FEATURE_UPDATE_ALERT:
|
2008-03-31 05:15:29 -04:00
|
|
|
rec->u.status.payload_size =
|
2005-09-13 15:51:16 -04:00
|
|
|
ZFCP_DBF_UNSOL_PAYLOAD_FEATURE_UPDATE_ALERT;
|
|
|
|
break;
|
2005-09-13 15:50:38 -04:00
|
|
|
}
|
2008-03-31 05:15:29 -04:00
|
|
|
memcpy(&rec->u.status.payload,
|
|
|
|
&status_buffer->payload, rec->u.status.payload_size);
|
2005-09-13 15:50:38 -04:00
|
|
|
}
|
|
|
|
|
2008-03-31 05:15:29 -04:00
|
|
|
debug_event(adapter->hba_dbf, 2, rec, sizeof(*rec));
|
2005-09-13 15:50:38 -04:00
|
|
|
spin_unlock_irqrestore(&adapter->hba_dbf_lock, flags);
|
|
|
|
}
|
|
|
|
|
2008-03-31 05:15:31 -04:00
|
|
|
/**
|
|
|
|
* zfcp_hba_dbf_event_qdio - trace event for QDIO related failure
|
|
|
|
* @adapter: adapter affected by this QDIO related event
|
|
|
|
* @qdio_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
|
|
|
|
*/
|
2008-07-17 11:16:48 -04:00
|
|
|
void zfcp_hba_dbf_event_qdio(struct zfcp_adapter *adapter,
|
|
|
|
unsigned int qdio_error, int sbal_index,
|
|
|
|
int sbal_count)
|
2005-09-13 15:50:38 -04:00
|
|
|
{
|
2008-03-31 05:15:29 -04:00
|
|
|
struct zfcp_hba_dbf_record *r = &adapter->hba_dbf_buf;
|
2005-09-13 15:50:38 -04:00
|
|
|
unsigned long flags;
|
|
|
|
|
|
|
|
spin_lock_irqsave(&adapter->hba_dbf_lock, flags);
|
2008-03-31 05:15:29 -04:00
|
|
|
memset(r, 0, sizeof(*r));
|
|
|
|
strncpy(r->tag, "qdio", ZFCP_DBF_TAG_SIZE);
|
|
|
|
r->u.qdio.qdio_error = qdio_error;
|
|
|
|
r->u.qdio.sbal_index = sbal_index;
|
|
|
|
r->u.qdio.sbal_count = sbal_count;
|
|
|
|
debug_event(adapter->hba_dbf, 0, r, sizeof(*r));
|
2005-09-13 15:50:38 -04:00
|
|
|
spin_unlock_irqrestore(&adapter->hba_dbf_lock, flags);
|
|
|
|
}
|
|
|
|
|
2008-10-01 06:42:21 -04:00
|
|
|
/**
|
|
|
|
* zfcp_hba_dbf_event_berr - trace event for bit error threshold
|
|
|
|
* @adapter: adapter affected by this QDIO related event
|
|
|
|
* @req: fsf request
|
|
|
|
*/
|
|
|
|
void zfcp_hba_dbf_event_berr(struct zfcp_adapter *adapter,
|
|
|
|
struct zfcp_fsf_req *req)
|
|
|
|
{
|
|
|
|
struct zfcp_hba_dbf_record *r = &adapter->hba_dbf_buf;
|
|
|
|
struct fsf_status_read_buffer *sr_buf = req->data;
|
|
|
|
struct fsf_bit_error_payload *err = &sr_buf->payload.bit_error;
|
|
|
|
unsigned long flags;
|
|
|
|
|
|
|
|
spin_lock_irqsave(&adapter->hba_dbf_lock, flags);
|
|
|
|
memset(r, 0, sizeof(*r));
|
|
|
|
strncpy(r->tag, "berr", ZFCP_DBF_TAG_SIZE);
|
|
|
|
memcpy(&r->u.berr, err, sizeof(struct fsf_bit_error_payload));
|
|
|
|
debug_event(adapter->hba_dbf, 0, r, sizeof(*r));
|
|
|
|
spin_unlock_irqrestore(&adapter->hba_dbf_lock, flags);
|
|
|
|
}
|
2008-03-31 05:15:27 -04:00
|
|
|
static void zfcp_hba_dbf_view_response(char **p,
|
|
|
|
struct zfcp_hba_dbf_record_response *r)
|
2005-09-13 15:50:38 -04:00
|
|
|
{
|
2008-03-31 05:15:23 -04:00
|
|
|
struct timespec t;
|
2005-09-13 15:50:38 -04:00
|
|
|
|
2008-03-31 05:15:27 -04:00
|
|
|
zfcp_dbf_out(p, "fsf_command", "0x%08x", r->fsf_command);
|
|
|
|
zfcp_dbf_out(p, "fsf_reqid", "0x%0Lx", r->fsf_reqid);
|
|
|
|
zfcp_dbf_out(p, "fsf_seqno", "0x%08x", r->fsf_seqno);
|
2008-03-31 05:15:24 -04:00
|
|
|
zfcp_dbf_timestamp(r->fsf_issued, &t);
|
2008-03-31 05:15:27 -04:00
|
|
|
zfcp_dbf_out(p, "fsf_issued", "%011lu:%06lu", t.tv_sec, t.tv_nsec);
|
|
|
|
zfcp_dbf_out(p, "fsf_prot_status", "0x%08x", r->fsf_prot_status);
|
|
|
|
zfcp_dbf_out(p, "fsf_status", "0x%08x", r->fsf_status);
|
|
|
|
zfcp_dbf_outd(p, "fsf_prot_status_qual", r->fsf_prot_status_qual,
|
2008-03-31 05:15:26 -04:00
|
|
|
FSF_PROT_STATUS_QUAL_SIZE, 0, FSF_PROT_STATUS_QUAL_SIZE);
|
2008-03-31 05:15:27 -04:00
|
|
|
zfcp_dbf_outd(p, "fsf_status_qual", r->fsf_status_qual,
|
2008-03-31 05:15:26 -04:00
|
|
|
FSF_STATUS_QUALIFIER_SIZE, 0, FSF_STATUS_QUALIFIER_SIZE);
|
2008-03-31 05:15:27 -04:00
|
|
|
zfcp_dbf_out(p, "fsf_req_status", "0x%08x", r->fsf_req_status);
|
|
|
|
zfcp_dbf_out(p, "sbal_first", "0x%02x", r->sbal_first);
|
2008-05-19 06:17:43 -04:00
|
|
|
zfcp_dbf_out(p, "sbal_last", "0x%02x", r->sbal_last);
|
2008-05-19 06:17:44 -04:00
|
|
|
zfcp_dbf_out(p, "sbal_response", "0x%02x", r->sbal_response);
|
2008-03-31 05:15:27 -04:00
|
|
|
zfcp_dbf_out(p, "pool", "0x%02x", r->pool);
|
2008-03-31 05:15:24 -04:00
|
|
|
|
|
|
|
switch (r->fsf_command) {
|
2005-09-13 15:50:38 -04:00
|
|
|
case FSF_QTCB_FCP_CMND:
|
2008-03-31 05:15:24 -04:00
|
|
|
if (r->fsf_req_status & ZFCP_STATUS_FSFREQ_TASK_MANAGEMENT)
|
2005-09-13 15:50:38 -04:00
|
|
|
break;
|
2008-03-31 05:15:29 -04:00
|
|
|
zfcp_dbf_out(p, "scsi_cmnd", "0x%0Lx", r->u.fcp.cmnd);
|
|
|
|
zfcp_dbf_out(p, "scsi_serial", "0x%016Lx", r->u.fcp.serial);
|
2008-11-04 10:35:12 -05:00
|
|
|
p += sprintf(*p, "\n");
|
2005-09-13 15:50:38 -04:00
|
|
|
break;
|
|
|
|
|
|
|
|
case FSF_QTCB_OPEN_PORT_WITH_DID:
|
|
|
|
case FSF_QTCB_CLOSE_PORT:
|
|
|
|
case FSF_QTCB_CLOSE_PHYSICAL_PORT:
|
2008-03-31 05:15:29 -04:00
|
|
|
zfcp_dbf_out(p, "wwpn", "0x%016Lx", r->u.port.wwpn);
|
|
|
|
zfcp_dbf_out(p, "d_id", "0x%06x", r->u.port.d_id);
|
|
|
|
zfcp_dbf_out(p, "port_handle", "0x%08x", r->u.port.port_handle);
|
2005-09-13 15:50:38 -04:00
|
|
|
break;
|
|
|
|
|
|
|
|
case FSF_QTCB_OPEN_LUN:
|
|
|
|
case FSF_QTCB_CLOSE_LUN:
|
2008-03-31 05:15:29 -04:00
|
|
|
zfcp_dbf_out(p, "wwpn", "0x%016Lx", r->u.unit.wwpn);
|
|
|
|
zfcp_dbf_out(p, "fcp_lun", "0x%016Lx", r->u.unit.fcp_lun);
|
|
|
|
zfcp_dbf_out(p, "port_handle", "0x%08x", r->u.unit.port_handle);
|
|
|
|
zfcp_dbf_out(p, "lun_handle", "0x%08x", r->u.unit.lun_handle);
|
2005-09-13 15:50:38 -04:00
|
|
|
break;
|
|
|
|
|
|
|
|
case FSF_QTCB_SEND_ELS:
|
2008-03-31 05:15:29 -04:00
|
|
|
zfcp_dbf_out(p, "d_id", "0x%06x", r->u.els.d_id);
|
|
|
|
zfcp_dbf_out(p, "ls_code", "0x%02x", r->u.els.ls_code);
|
2005-09-13 15:50:38 -04:00
|
|
|
break;
|
|
|
|
|
|
|
|
case FSF_QTCB_ABORT_FCP_CMND:
|
|
|
|
case FSF_QTCB_SEND_GENERIC:
|
|
|
|
case FSF_QTCB_EXCHANGE_CONFIG_DATA:
|
|
|
|
case FSF_QTCB_EXCHANGE_PORT_DATA:
|
|
|
|
case FSF_QTCB_DOWNLOAD_CONTROL_FILE:
|
|
|
|
case FSF_QTCB_UPLOAD_CONTROL_FILE:
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2008-03-31 05:15:27 -04:00
|
|
|
static void zfcp_hba_dbf_view_status(char **p,
|
|
|
|
struct zfcp_hba_dbf_record_status *r)
|
2005-09-13 15:50:38 -04:00
|
|
|
{
|
2008-03-31 05:15:27 -04:00
|
|
|
zfcp_dbf_out(p, "failed", "0x%02x", r->failed);
|
|
|
|
zfcp_dbf_out(p, "status_type", "0x%08x", r->status_type);
|
|
|
|
zfcp_dbf_out(p, "status_subtype", "0x%08x", r->status_subtype);
|
|
|
|
zfcp_dbf_outd(p, "queue_designator", (char *)&r->queue_designator,
|
2008-03-31 05:15:26 -04:00
|
|
|
sizeof(struct fsf_queue_designator), 0,
|
|
|
|
sizeof(struct fsf_queue_designator));
|
2008-03-31 05:15:27 -04:00
|
|
|
zfcp_dbf_outd(p, "payload", (char *)&r->payload, r->payload_size, 0,
|
2008-03-31 05:15:26 -04:00
|
|
|
r->payload_size);
|
2005-09-13 15:50:38 -04:00
|
|
|
}
|
|
|
|
|
2008-03-31 05:15:27 -04:00
|
|
|
static void zfcp_hba_dbf_view_qdio(char **p, struct zfcp_hba_dbf_record_qdio *r)
|
2005-09-13 15:50:38 -04:00
|
|
|
{
|
2008-03-31 05:15:27 -04:00
|
|
|
zfcp_dbf_out(p, "qdio_error", "0x%08x", r->qdio_error);
|
|
|
|
zfcp_dbf_out(p, "sbal_index", "0x%02x", r->sbal_index);
|
|
|
|
zfcp_dbf_out(p, "sbal_count", "0x%02x", r->sbal_count);
|
2005-09-13 15:50:38 -04:00
|
|
|
}
|
|
|
|
|
2008-10-01 06:42:21 -04:00
|
|
|
static void zfcp_hba_dbf_view_berr(char **p, struct fsf_bit_error_payload *r)
|
|
|
|
{
|
|
|
|
zfcp_dbf_out(p, "link_failures", "%d", r->link_failure_error_count);
|
|
|
|
zfcp_dbf_out(p, "loss_of_sync_err", "%d", r->loss_of_sync_error_count);
|
|
|
|
zfcp_dbf_out(p, "loss_of_sig_err", "%d", r->loss_of_signal_error_count);
|
|
|
|
zfcp_dbf_out(p, "prim_seq_err", "%d",
|
|
|
|
r->primitive_sequence_error_count);
|
|
|
|
zfcp_dbf_out(p, "inval_trans_word_err", "%d",
|
|
|
|
r->invalid_transmission_word_error_count);
|
|
|
|
zfcp_dbf_out(p, "CRC_errors", "%d", r->crc_error_count);
|
|
|
|
zfcp_dbf_out(p, "prim_seq_event_to", "%d",
|
|
|
|
r->primitive_sequence_event_timeout_count);
|
|
|
|
zfcp_dbf_out(p, "elast_buf_overrun_err", "%d",
|
|
|
|
r->elastic_buffer_overrun_error_count);
|
|
|
|
zfcp_dbf_out(p, "adv_rec_buf2buf_cred", "%d",
|
|
|
|
r->advertised_receive_b2b_credit);
|
|
|
|
zfcp_dbf_out(p, "curr_rec_buf2buf_cred", "%d",
|
|
|
|
r->current_receive_b2b_credit);
|
|
|
|
zfcp_dbf_out(p, "adv_trans_buf2buf_cred", "%d",
|
|
|
|
r->advertised_transmit_b2b_credit);
|
|
|
|
zfcp_dbf_out(p, "curr_trans_buf2buf_cred", "%d",
|
|
|
|
r->current_transmit_b2b_credit);
|
|
|
|
}
|
|
|
|
|
2008-03-31 05:15:27 -04:00
|
|
|
static int zfcp_hba_dbf_view_format(debug_info_t *id, struct debug_view *view,
|
|
|
|
char *out_buf, const char *in_buf)
|
2005-09-13 15:50:38 -04:00
|
|
|
{
|
2008-03-31 05:15:27 -04:00
|
|
|
struct zfcp_hba_dbf_record *r = (struct zfcp_hba_dbf_record *)in_buf;
|
|
|
|
char *p = out_buf;
|
2005-09-13 15:50:38 -04:00
|
|
|
|
2008-03-31 05:15:27 -04:00
|
|
|
if (strncmp(r->tag, "dump", ZFCP_DBF_TAG_SIZE) == 0)
|
2005-09-13 15:50:38 -04:00
|
|
|
return 0;
|
|
|
|
|
2008-03-31 05:15:27 -04:00
|
|
|
zfcp_dbf_tag(&p, "tag", r->tag);
|
|
|
|
if (isalpha(r->tag2[0]))
|
|
|
|
zfcp_dbf_tag(&p, "tag2", r->tag2);
|
|
|
|
|
|
|
|
if (strncmp(r->tag, "resp", ZFCP_DBF_TAG_SIZE) == 0)
|
2008-03-31 05:15:29 -04:00
|
|
|
zfcp_hba_dbf_view_response(&p, &r->u.response);
|
2008-03-31 05:15:27 -04:00
|
|
|
else if (strncmp(r->tag, "stat", ZFCP_DBF_TAG_SIZE) == 0)
|
2008-03-31 05:15:29 -04:00
|
|
|
zfcp_hba_dbf_view_status(&p, &r->u.status);
|
2008-03-31 05:15:27 -04:00
|
|
|
else if (strncmp(r->tag, "qdio", ZFCP_DBF_TAG_SIZE) == 0)
|
2008-03-31 05:15:29 -04:00
|
|
|
zfcp_hba_dbf_view_qdio(&p, &r->u.qdio);
|
2008-10-01 06:42:21 -04:00
|
|
|
else if (strncmp(r->tag, "berr", ZFCP_DBF_TAG_SIZE) == 0)
|
|
|
|
zfcp_hba_dbf_view_berr(&p, &r->u.berr);
|
2008-03-31 05:15:27 -04:00
|
|
|
|
2008-11-04 10:35:12 -05:00
|
|
|
if (strncmp(r->tag, "resp", ZFCP_DBF_TAG_SIZE) != 0)
|
|
|
|
p += sprintf(p, "\n");
|
2008-03-31 05:15:27 -04:00
|
|
|
return p - out_buf;
|
2005-09-13 15:50:38 -04:00
|
|
|
}
|
|
|
|
|
2007-02-05 15:16:47 -05:00
|
|
|
static struct debug_view zfcp_hba_dbf_view = {
|
2005-09-13 15:50:38 -04:00
|
|
|
"structured",
|
|
|
|
NULL,
|
|
|
|
&zfcp_dbf_view_header,
|
|
|
|
&zfcp_hba_dbf_view_format,
|
|
|
|
NULL,
|
|
|
|
NULL
|
|
|
|
};
|
|
|
|
|
2008-03-27 09:22:00 -04:00
|
|
|
static const char *zfcp_rec_dbf_tags[] = {
|
2008-03-27 09:22:01 -04:00
|
|
|
[ZFCP_REC_DBF_ID_THREAD] = "thread",
|
2008-03-27 09:22:02 -04:00
|
|
|
[ZFCP_REC_DBF_ID_TARGET] = "target",
|
2008-03-27 09:22:03 -04:00
|
|
|
[ZFCP_REC_DBF_ID_TRIGGER] = "trigger",
|
2008-03-27 09:22:04 -04:00
|
|
|
[ZFCP_REC_DBF_ID_ACTION] = "action",
|
2008-03-27 09:22:00 -04:00
|
|
|
};
|
|
|
|
|
|
|
|
static const char *zfcp_rec_dbf_ids[] = {
|
2008-03-27 09:22:01 -04:00
|
|
|
[1] = "new",
|
|
|
|
[2] = "ready",
|
|
|
|
[3] = "kill",
|
|
|
|
[4] = "down sleep",
|
|
|
|
[5] = "down wakeup",
|
|
|
|
[6] = "down sleep ecd",
|
|
|
|
[7] = "down wakeup ecd",
|
|
|
|
[8] = "down sleep epd",
|
|
|
|
[9] = "down wakeup epd",
|
2008-03-27 09:22:02 -04:00
|
|
|
[10] = "online",
|
|
|
|
[11] = "operational",
|
|
|
|
[12] = "scsi slave destroy",
|
|
|
|
[13] = "propagate failed adapter",
|
|
|
|
[14] = "propagate failed port",
|
|
|
|
[15] = "block adapter",
|
|
|
|
[16] = "unblock adapter",
|
|
|
|
[17] = "block port",
|
|
|
|
[18] = "unblock port",
|
|
|
|
[19] = "block unit",
|
|
|
|
[20] = "unblock unit",
|
|
|
|
[21] = "unit recovery failed",
|
|
|
|
[22] = "port recovery failed",
|
|
|
|
[23] = "adapter recovery failed",
|
|
|
|
[24] = "qdio queues down",
|
|
|
|
[25] = "p2p failed",
|
|
|
|
[26] = "nameserver lookup failed",
|
|
|
|
[27] = "nameserver port failed",
|
|
|
|
[28] = "link up",
|
|
|
|
[29] = "link down",
|
|
|
|
[30] = "link up status read",
|
|
|
|
[31] = "open port failed",
|
|
|
|
[32] = "open port failed",
|
|
|
|
[33] = "close port",
|
|
|
|
[34] = "open unit failed",
|
|
|
|
[35] = "exclusive open unit failed",
|
|
|
|
[36] = "shared open unit failed",
|
|
|
|
[37] = "link down",
|
|
|
|
[38] = "link down status read no link",
|
|
|
|
[39] = "link down status read fdisc login",
|
|
|
|
[40] = "link down status read firmware update",
|
|
|
|
[41] = "link down status read unknown reason",
|
|
|
|
[42] = "link down ecd incomplete",
|
|
|
|
[43] = "link down epd incomplete",
|
|
|
|
[44] = "sysfs adapter recovery",
|
|
|
|
[45] = "sysfs port recovery",
|
|
|
|
[46] = "sysfs unit recovery",
|
|
|
|
[47] = "port boxed abort",
|
|
|
|
[48] = "unit boxed abort",
|
|
|
|
[49] = "port boxed ct",
|
|
|
|
[50] = "port boxed close physical",
|
|
|
|
[51] = "port boxed open unit",
|
|
|
|
[52] = "port boxed close unit",
|
|
|
|
[53] = "port boxed fcp",
|
|
|
|
[54] = "unit boxed fcp",
|
2008-06-10 12:20:58 -04:00
|
|
|
[55] = "port access denied",
|
|
|
|
[56] = "",
|
|
|
|
[57] = "",
|
|
|
|
[58] = "",
|
|
|
|
[59] = "unit access denied",
|
2008-03-27 09:22:02 -04:00
|
|
|
[60] = "shared unit access denied open unit",
|
2008-06-10 12:20:58 -04:00
|
|
|
[61] = "",
|
2008-03-27 09:22:03 -04:00
|
|
|
[62] = "request timeout",
|
|
|
|
[63] = "adisc link test reject or timeout",
|
|
|
|
[64] = "adisc link test d_id changed",
|
|
|
|
[65] = "adisc link test failed",
|
|
|
|
[66] = "recovery out of memory",
|
|
|
|
[67] = "adapter recovery repeated after state change",
|
|
|
|
[68] = "port recovery repeated after state change",
|
|
|
|
[69] = "unit recovery repeated after state change",
|
|
|
|
[70] = "port recovery follow-up after successful adapter recovery",
|
|
|
|
[71] = "adapter recovery escalation after failed adapter recovery",
|
|
|
|
[72] = "port recovery follow-up after successful physical port "
|
|
|
|
"recovery",
|
|
|
|
[73] = "adapter recovery escalation after failed physical port "
|
|
|
|
"recovery",
|
|
|
|
[74] = "unit recovery follow-up after successful port recovery",
|
|
|
|
[75] = "physical port recovery escalation after failed port "
|
|
|
|
"recovery",
|
|
|
|
[76] = "port recovery escalation after failed unit recovery",
|
2008-10-01 06:42:17 -04:00
|
|
|
[77] = "",
|
2008-03-27 09:22:03 -04:00
|
|
|
[78] = "duplicate request id",
|
|
|
|
[79] = "link down",
|
|
|
|
[80] = "exclusive read-only unit access unsupported",
|
|
|
|
[81] = "shared read-write unit access unsupported",
|
|
|
|
[82] = "incoming rscn",
|
2008-06-10 12:20:54 -04:00
|
|
|
[83] = "incoming wwpn",
|
2008-10-01 06:42:26 -04:00
|
|
|
[84] = "wka port handle not valid close port",
|
2008-03-27 09:22:03 -04:00
|
|
|
[85] = "online",
|
|
|
|
[86] = "offline",
|
|
|
|
[87] = "ccw device gone",
|
|
|
|
[88] = "ccw device no path",
|
|
|
|
[89] = "ccw device operational",
|
|
|
|
[90] = "ccw device shutdown",
|
|
|
|
[91] = "sysfs port addition",
|
|
|
|
[92] = "sysfs port removal",
|
|
|
|
[93] = "sysfs adapter recovery",
|
|
|
|
[94] = "sysfs unit addition",
|
|
|
|
[95] = "sysfs unit removal",
|
|
|
|
[96] = "sysfs port recovery",
|
|
|
|
[97] = "sysfs unit recovery",
|
|
|
|
[98] = "sequence number mismatch",
|
|
|
|
[99] = "link up",
|
|
|
|
[100] = "error state",
|
|
|
|
[101] = "status read physical port closed",
|
|
|
|
[102] = "link up status read",
|
|
|
|
[103] = "too many failed status read buffers",
|
|
|
|
[104] = "port handle not valid abort",
|
|
|
|
[105] = "lun handle not valid abort",
|
|
|
|
[106] = "port handle not valid ct",
|
|
|
|
[107] = "port handle not valid close port",
|
|
|
|
[108] = "port handle not valid close physical port",
|
|
|
|
[109] = "port handle not valid open unit",
|
|
|
|
[110] = "port handle not valid close unit",
|
|
|
|
[111] = "lun handle not valid close unit",
|
|
|
|
[112] = "port handle not valid fcp",
|
|
|
|
[113] = "lun handle not valid fcp",
|
|
|
|
[114] = "handle mismatch fcp",
|
|
|
|
[115] = "lun not valid fcp",
|
|
|
|
[116] = "qdio send failed",
|
|
|
|
[117] = "version mismatch",
|
|
|
|
[118] = "incompatible qtcb type",
|
|
|
|
[119] = "unknown protocol status",
|
|
|
|
[120] = "unknown fsf command",
|
|
|
|
[121] = "no recommendation for status qualifier",
|
|
|
|
[122] = "status read physical port closed in error",
|
2008-06-10 12:20:58 -04:00
|
|
|
[123] = "fc service class not supported",
|
|
|
|
[124] = "",
|
2008-03-27 09:22:03 -04:00
|
|
|
[125] = "need newer zfcp",
|
|
|
|
[126] = "need newer microcode",
|
|
|
|
[127] = "arbitrated loop not supported",
|
2008-10-01 06:42:15 -04:00
|
|
|
[128] = "",
|
2008-03-27 09:22:03 -04:00
|
|
|
[129] = "qtcb size mismatch",
|
|
|
|
[130] = "unknown fsf status ecd",
|
|
|
|
[131] = "fcp request too big",
|
2008-06-10 12:20:58 -04:00
|
|
|
[132] = "",
|
2008-03-27 09:22:03 -04:00
|
|
|
[133] = "data direction not valid fcp",
|
|
|
|
[134] = "command length not valid fcp",
|
|
|
|
[135] = "status read act update",
|
|
|
|
[136] = "status read cfdc update",
|
|
|
|
[137] = "hbaapi port open",
|
|
|
|
[138] = "hbaapi unit open",
|
|
|
|
[139] = "hbaapi unit shutdown",
|
2008-06-10 12:20:57 -04:00
|
|
|
[140] = "qdio error outbound",
|
2008-03-27 09:22:03 -04:00
|
|
|
[141] = "scsi host reset",
|
2008-03-27 09:22:04 -04:00
|
|
|
[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",
|
2008-06-10 12:20:57 -04:00
|
|
|
[147] = "qdio error inbound",
|
2008-06-10 12:21:00 -04:00
|
|
|
[148] = "nameserver needed for port scan",
|
|
|
|
[149] = "port scan",
|
|
|
|
[150] = "ptp attach",
|
|
|
|
[151] = "port validation failed",
|
2008-03-27 09:22:00 -04:00
|
|
|
};
|
|
|
|
|
|
|
|
static int zfcp_rec_dbf_view_format(debug_info_t *id, struct debug_view *view,
|
|
|
|
char *buf, const char *_rec)
|
|
|
|
{
|
|
|
|
struct zfcp_rec_dbf_record *r = (struct zfcp_rec_dbf_record *)_rec;
|
|
|
|
char *p = buf;
|
|
|
|
|
|
|
|
zfcp_dbf_outs(&p, "tag", zfcp_rec_dbf_tags[r->id]);
|
|
|
|
zfcp_dbf_outs(&p, "hint", zfcp_rec_dbf_ids[r->id2]);
|
|
|
|
zfcp_dbf_out(&p, "id", "%d", r->id2);
|
|
|
|
switch (r->id) {
|
2008-03-27 09:22:01 -04:00
|
|
|
case ZFCP_REC_DBF_ID_THREAD:
|
|
|
|
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);
|
|
|
|
break;
|
2008-03-27 09:22:02 -04:00
|
|
|
case ZFCP_REC_DBF_ID_TARGET:
|
|
|
|
zfcp_dbf_out(&p, "reference", "0x%016Lx", r->u.target.ref);
|
|
|
|
zfcp_dbf_out(&p, "status", "0x%08x", r->u.target.status);
|
|
|
|
zfcp_dbf_out(&p, "erp_count", "%d", r->u.target.erp_count);
|
|
|
|
zfcp_dbf_out(&p, "d_id", "0x%06x", r->u.target.d_id);
|
|
|
|
zfcp_dbf_out(&p, "wwpn", "0x%016Lx", r->u.target.wwpn);
|
|
|
|
zfcp_dbf_out(&p, "fcp_lun", "0x%016Lx", r->u.target.fcp_lun);
|
|
|
|
break;
|
2008-03-27 09:22:03 -04:00
|
|
|
case ZFCP_REC_DBF_ID_TRIGGER:
|
|
|
|
zfcp_dbf_out(&p, "reference", "0x%016Lx", r->u.trigger.ref);
|
|
|
|
zfcp_dbf_out(&p, "erp_action", "0x%016Lx", r->u.trigger.action);
|
|
|
|
zfcp_dbf_out(&p, "requested", "%d", r->u.trigger.want);
|
|
|
|
zfcp_dbf_out(&p, "executed", "%d", r->u.trigger.need);
|
|
|
|
zfcp_dbf_out(&p, "wwpn", "0x%016Lx", r->u.trigger.wwpn);
|
|
|
|
zfcp_dbf_out(&p, "fcp_lun", "0x%016Lx", r->u.trigger.fcp_lun);
|
|
|
|
zfcp_dbf_out(&p, "adapter_status", "0x%08x", r->u.trigger.as);
|
|
|
|
zfcp_dbf_out(&p, "port_status", "0x%08x", r->u.trigger.ps);
|
|
|
|
zfcp_dbf_out(&p, "unit_status", "0x%08x", r->u.trigger.us);
|
|
|
|
break;
|
2008-03-27 09:22:04 -04:00
|
|
|
case ZFCP_REC_DBF_ID_ACTION:
|
|
|
|
zfcp_dbf_out(&p, "erp_action", "0x%016Lx", r->u.action.action);
|
|
|
|
zfcp_dbf_out(&p, "fsf_req", "0x%016Lx", r->u.action.fsf_req);
|
|
|
|
zfcp_dbf_out(&p, "status", "0x%08Lx", r->u.action.status);
|
|
|
|
zfcp_dbf_out(&p, "step", "0x%08Lx", r->u.action.step);
|
|
|
|
break;
|
2008-03-27 09:22:00 -04:00
|
|
|
}
|
2008-03-31 05:15:24 -04:00
|
|
|
p += sprintf(p, "\n");
|
|
|
|
return p - buf;
|
2008-03-27 09:22:00 -04:00
|
|
|
}
|
|
|
|
|
|
|
|
static struct debug_view zfcp_rec_dbf_view = {
|
|
|
|
"structured",
|
|
|
|
NULL,
|
|
|
|
&zfcp_dbf_view_header,
|
|
|
|
&zfcp_rec_dbf_view_format,
|
|
|
|
NULL,
|
|
|
|
NULL
|
|
|
|
};
|
|
|
|
|
2008-03-27 09:22:01 -04:00
|
|
|
/**
|
|
|
|
* zfcp_rec_dbf_event_thread - trace event related to recovery thread operation
|
|
|
|
* @id2: identifier for event
|
|
|
|
* @adapter: adapter
|
2008-05-19 06:17:47 -04:00
|
|
|
* This function assumes that the caller is holding erp_lock.
|
2008-03-27 09:22:01 -04:00
|
|
|
*/
|
2008-05-19 06:17:47 -04:00
|
|
|
void zfcp_rec_dbf_event_thread(u8 id2, struct zfcp_adapter *adapter)
|
2008-03-27 09:22:01 -04:00
|
|
|
{
|
|
|
|
struct zfcp_rec_dbf_record *r = &adapter->rec_dbf_buf;
|
|
|
|
unsigned long flags = 0;
|
|
|
|
struct list_head *entry;
|
|
|
|
unsigned ready = 0, running = 0, total;
|
|
|
|
|
|
|
|
list_for_each(entry, &adapter->erp_ready_head)
|
|
|
|
ready++;
|
|
|
|
list_for_each(entry, &adapter->erp_running_head)
|
|
|
|
running++;
|
|
|
|
total = adapter->erp_total_count;
|
|
|
|
|
|
|
|
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.total = total;
|
|
|
|
r->u.thread.ready = ready;
|
|
|
|
r->u.thread.running = running;
|
2008-05-19 06:17:45 -04:00
|
|
|
debug_event(adapter->rec_dbf, 6, r, sizeof(*r));
|
2008-03-27 09:22:01 -04:00
|
|
|
spin_unlock_irqrestore(&adapter->rec_dbf_lock, flags);
|
|
|
|
}
|
|
|
|
|
2008-05-19 06:17:47 -04:00
|
|
|
/**
|
|
|
|
* 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);
|
|
|
|
}
|
|
|
|
|
2008-04-18 06:51:55 -04:00
|
|
|
static void zfcp_rec_dbf_event_target(u8 id2, void *ref,
|
2008-03-27 09:22:02 -04:00
|
|
|
struct zfcp_adapter *adapter,
|
|
|
|
atomic_t *status, atomic_t *erp_count,
|
|
|
|
u64 wwpn, u32 d_id, u64 fcp_lun)
|
|
|
|
{
|
|
|
|
struct zfcp_rec_dbf_record *r = &adapter->rec_dbf_buf;
|
|
|
|
unsigned long flags;
|
|
|
|
|
|
|
|
spin_lock_irqsave(&adapter->rec_dbf_lock, flags);
|
|
|
|
memset(r, 0, sizeof(*r));
|
|
|
|
r->id = ZFCP_REC_DBF_ID_TARGET;
|
|
|
|
r->id2 = id2;
|
2008-04-18 06:51:55 -04:00
|
|
|
r->u.target.ref = (unsigned long)ref;
|
2008-03-27 09:22:02 -04:00
|
|
|
r->u.target.status = atomic_read(status);
|
|
|
|
r->u.target.wwpn = wwpn;
|
|
|
|
r->u.target.d_id = d_id;
|
|
|
|
r->u.target.fcp_lun = fcp_lun;
|
|
|
|
r->u.target.erp_count = atomic_read(erp_count);
|
|
|
|
debug_event(adapter->rec_dbf, 3, r, sizeof(*r));
|
|
|
|
spin_unlock_irqrestore(&adapter->rec_dbf_lock, flags);
|
|
|
|
}
|
|
|
|
|
|
|
|
/**
|
|
|
|
* zfcp_rec_dbf_event_adapter - trace event for adapter state change
|
|
|
|
* @id: identifier for trigger of state change
|
|
|
|
* @ref: additional reference (e.g. request)
|
|
|
|
* @adapter: adapter
|
|
|
|
*/
|
2008-04-18 06:51:55 -04:00
|
|
|
void zfcp_rec_dbf_event_adapter(u8 id, void *ref, struct zfcp_adapter *adapter)
|
2008-03-27 09:22:02 -04:00
|
|
|
{
|
|
|
|
zfcp_rec_dbf_event_target(id, ref, adapter, &adapter->status,
|
|
|
|
&adapter->erp_counter, 0, 0, 0);
|
|
|
|
}
|
|
|
|
|
|
|
|
/**
|
|
|
|
* zfcp_rec_dbf_event_port - trace event for port state change
|
|
|
|
* @id: identifier for trigger of state change
|
|
|
|
* @ref: additional reference (e.g. request)
|
|
|
|
* @port: port
|
|
|
|
*/
|
2008-04-18 06:51:55 -04:00
|
|
|
void zfcp_rec_dbf_event_port(u8 id, void *ref, struct zfcp_port *port)
|
2008-03-27 09:22:02 -04:00
|
|
|
{
|
|
|
|
struct zfcp_adapter *adapter = port->adapter;
|
|
|
|
|
|
|
|
zfcp_rec_dbf_event_target(id, ref, adapter, &port->status,
|
|
|
|
&port->erp_counter, port->wwpn, port->d_id,
|
|
|
|
0);
|
|
|
|
}
|
|
|
|
|
|
|
|
/**
|
|
|
|
* zfcp_rec_dbf_event_unit - trace event for unit state change
|
|
|
|
* @id: identifier for trigger of state change
|
|
|
|
* @ref: additional reference (e.g. request)
|
|
|
|
* @unit: unit
|
|
|
|
*/
|
2008-04-18 06:51:55 -04:00
|
|
|
void zfcp_rec_dbf_event_unit(u8 id, void *ref, struct zfcp_unit *unit)
|
2008-03-27 09:22:02 -04:00
|
|
|
{
|
|
|
|
struct zfcp_port *port = unit->port;
|
|
|
|
struct zfcp_adapter *adapter = port->adapter;
|
|
|
|
|
|
|
|
zfcp_rec_dbf_event_target(id, ref, adapter, &unit->status,
|
|
|
|
&unit->erp_counter, port->wwpn, port->d_id,
|
|
|
|
unit->fcp_lun);
|
|
|
|
}
|
|
|
|
|
2008-03-27 09:22:03 -04:00
|
|
|
/**
|
|
|
|
* zfcp_rec_dbf_event_trigger - trace event for triggered error recovery
|
|
|
|
* @id2: identifier for error recovery trigger
|
|
|
|
* @ref: additional reference (e.g. request)
|
|
|
|
* @want: originally requested error recovery action
|
|
|
|
* @need: error recovery action actually initiated
|
|
|
|
* @action: address of error recovery action struct
|
|
|
|
* @adapter: adapter
|
|
|
|
* @port: port
|
|
|
|
* @unit: unit
|
|
|
|
*/
|
2008-04-18 06:51:55 -04:00
|
|
|
void zfcp_rec_dbf_event_trigger(u8 id2, void *ref, u8 want, u8 need,
|
|
|
|
void *action, struct zfcp_adapter *adapter,
|
2008-03-27 09:22:03 -04:00
|
|
|
struct zfcp_port *port, struct zfcp_unit *unit)
|
|
|
|
{
|
|
|
|
struct zfcp_rec_dbf_record *r = &adapter->rec_dbf_buf;
|
|
|
|
unsigned long flags;
|
|
|
|
|
|
|
|
spin_lock_irqsave(&adapter->rec_dbf_lock, flags);
|
|
|
|
memset(r, 0, sizeof(*r));
|
|
|
|
r->id = ZFCP_REC_DBF_ID_TRIGGER;
|
|
|
|
r->id2 = id2;
|
2008-04-18 06:51:55 -04:00
|
|
|
r->u.trigger.ref = (unsigned long)ref;
|
2008-03-27 09:22:03 -04:00
|
|
|
r->u.trigger.want = want;
|
|
|
|
r->u.trigger.need = need;
|
2008-04-18 06:51:55 -04:00
|
|
|
r->u.trigger.action = (unsigned long)action;
|
2008-03-27 09:22:03 -04:00
|
|
|
r->u.trigger.as = atomic_read(&adapter->status);
|
|
|
|
if (port) {
|
|
|
|
r->u.trigger.ps = atomic_read(&port->status);
|
|
|
|
r->u.trigger.wwpn = port->wwpn;
|
|
|
|
}
|
|
|
|
if (unit) {
|
|
|
|
r->u.trigger.us = atomic_read(&unit->status);
|
|
|
|
r->u.trigger.fcp_lun = unit->fcp_lun;
|
|
|
|
}
|
|
|
|
debug_event(adapter->rec_dbf, action ? 1 : 4, r, sizeof(*r));
|
|
|
|
spin_unlock_irqrestore(&adapter->rec_dbf_lock, flags);
|
|
|
|
}
|
|
|
|
|
2008-03-27 09:22:04 -04:00
|
|
|
/**
|
|
|
|
* zfcp_rec_dbf_event_action - trace event showing progress of recovery action
|
|
|
|
* @id2: identifier
|
|
|
|
* @erp_action: error recovery action struct pointer
|
|
|
|
*/
|
|
|
|
void zfcp_rec_dbf_event_action(u8 id2, struct zfcp_erp_action *erp_action)
|
|
|
|
{
|
|
|
|
struct zfcp_adapter *adapter = erp_action->adapter;
|
|
|
|
struct zfcp_rec_dbf_record *r = &adapter->rec_dbf_buf;
|
|
|
|
unsigned long flags;
|
|
|
|
|
|
|
|
spin_lock_irqsave(&adapter->rec_dbf_lock, flags);
|
|
|
|
memset(r, 0, sizeof(*r));
|
|
|
|
r->id = ZFCP_REC_DBF_ID_ACTION;
|
|
|
|
r->id2 = id2;
|
2008-04-18 06:51:55 -04:00
|
|
|
r->u.action.action = (unsigned long)erp_action;
|
2008-03-27 09:22:04 -04:00
|
|
|
r->u.action.status = erp_action->status;
|
|
|
|
r->u.action.step = erp_action->step;
|
2008-04-18 06:51:55 -04:00
|
|
|
r->u.action.fsf_req = (unsigned long)erp_action->fsf_req;
|
2008-05-19 06:17:45 -04:00
|
|
|
debug_event(adapter->rec_dbf, 5, r, sizeof(*r));
|
2008-03-27 09:22:04 -04:00
|
|
|
spin_unlock_irqrestore(&adapter->rec_dbf_lock, flags);
|
|
|
|
}
|
|
|
|
|
2008-03-31 05:15:31 -04:00
|
|
|
/**
|
|
|
|
* zfcp_san_dbf_event_ct_request - trace event for issued CT request
|
|
|
|
* @fsf_req: request containing issued CT data
|
|
|
|
*/
|
2007-02-05 15:18:53 -05:00
|
|
|
void zfcp_san_dbf_event_ct_request(struct zfcp_fsf_req *fsf_req)
|
2005-09-13 15:50:38 -04:00
|
|
|
{
|
|
|
|
struct zfcp_send_ct *ct = (struct zfcp_send_ct *)fsf_req->data;
|
2008-10-01 06:42:17 -04:00
|
|
|
struct zfcp_wka_port *wka_port = ct->wka_port;
|
|
|
|
struct zfcp_adapter *adapter = wka_port->adapter;
|
2008-10-01 06:42:16 -04:00
|
|
|
struct ct_hdr *hdr = sg_virt(ct->req);
|
2008-03-31 05:15:29 -04:00
|
|
|
struct zfcp_san_dbf_record *r = &adapter->san_dbf_buf;
|
|
|
|
struct zfcp_san_dbf_record_ct_request *oct = &r->u.ct_req;
|
2008-11-04 10:35:12 -05:00
|
|
|
int level = 3;
|
2008-03-31 05:15:29 -04:00
|
|
|
unsigned long flags;
|
2005-09-13 15:50:38 -04:00
|
|
|
|
2008-03-31 05:15:29 -04:00
|
|
|
spin_lock_irqsave(&adapter->san_dbf_lock, flags);
|
|
|
|
memset(r, 0, sizeof(*r));
|
|
|
|
strncpy(r->tag, "octc", ZFCP_DBF_TAG_SIZE);
|
|
|
|
r->fsf_reqid = (unsigned long)fsf_req;
|
|
|
|
r->fsf_seqno = fsf_req->seq_no;
|
|
|
|
r->s_id = fc_host_port_id(adapter->scsi_host);
|
2008-10-01 06:42:17 -04:00
|
|
|
r->d_id = wka_port->d_id;
|
2008-03-31 05:15:29 -04:00
|
|
|
oct->cmd_req_code = hdr->cmd_rsp_code;
|
|
|
|
oct->revision = hdr->revision;
|
|
|
|
oct->gs_type = hdr->gs_type;
|
|
|
|
oct->gs_subtype = hdr->gs_subtype;
|
|
|
|
oct->options = hdr->options;
|
|
|
|
oct->max_res_size = hdr->max_res_size;
|
|
|
|
oct->len = min((int)ct->req->length - (int)sizeof(struct ct_hdr),
|
2008-11-04 10:35:12 -05:00
|
|
|
ZFCP_DBF_SAN_MAX_PAYLOAD);
|
|
|
|
debug_event(adapter->san_dbf, level, r, sizeof(*r));
|
|
|
|
zfcp_dbf_hexdump(adapter->san_dbf, r, sizeof(*r), level,
|
|
|
|
(void *)hdr + sizeof(struct ct_hdr), oct->len);
|
2008-03-31 05:15:29 -04:00
|
|
|
spin_unlock_irqrestore(&adapter->san_dbf_lock, flags);
|
2005-09-13 15:50:38 -04:00
|
|
|
}
|
|
|
|
|
2008-03-31 05:15:31 -04:00
|
|
|
/**
|
|
|
|
* zfcp_san_dbf_event_ct_response - trace event for completion of CT request
|
|
|
|
* @fsf_req: request containing CT response
|
|
|
|
*/
|
2007-02-05 15:18:53 -05:00
|
|
|
void zfcp_san_dbf_event_ct_response(struct zfcp_fsf_req *fsf_req)
|
2005-09-13 15:50:38 -04:00
|
|
|
{
|
|
|
|
struct zfcp_send_ct *ct = (struct zfcp_send_ct *)fsf_req->data;
|
2008-10-01 06:42:17 -04:00
|
|
|
struct zfcp_wka_port *wka_port = ct->wka_port;
|
|
|
|
struct zfcp_adapter *adapter = wka_port->adapter;
|
2008-10-01 06:42:16 -04:00
|
|
|
struct ct_hdr *hdr = sg_virt(ct->resp);
|
2008-03-31 05:15:29 -04:00
|
|
|
struct zfcp_san_dbf_record *r = &adapter->san_dbf_buf;
|
|
|
|
struct zfcp_san_dbf_record_ct_response *rct = &r->u.ct_resp;
|
2008-11-04 10:35:12 -05:00
|
|
|
int level = 3;
|
2008-03-31 05:15:29 -04:00
|
|
|
unsigned long flags;
|
2005-09-13 15:50:38 -04:00
|
|
|
|
2008-03-31 05:15:29 -04:00
|
|
|
spin_lock_irqsave(&adapter->san_dbf_lock, flags);
|
|
|
|
memset(r, 0, sizeof(*r));
|
|
|
|
strncpy(r->tag, "rctc", ZFCP_DBF_TAG_SIZE);
|
|
|
|
r->fsf_reqid = (unsigned long)fsf_req;
|
|
|
|
r->fsf_seqno = fsf_req->seq_no;
|
2008-10-01 06:42:17 -04:00
|
|
|
r->s_id = wka_port->d_id;
|
2008-03-31 05:15:29 -04:00
|
|
|
r->d_id = fc_host_port_id(adapter->scsi_host);
|
|
|
|
rct->cmd_rsp_code = hdr->cmd_rsp_code;
|
|
|
|
rct->revision = hdr->revision;
|
|
|
|
rct->reason_code = hdr->reason_code;
|
|
|
|
rct->expl = hdr->reason_code_expl;
|
|
|
|
rct->vendor_unique = hdr->vendor_unique;
|
|
|
|
rct->len = min((int)ct->resp->length - (int)sizeof(struct ct_hdr),
|
2008-11-04 10:35:12 -05:00
|
|
|
ZFCP_DBF_SAN_MAX_PAYLOAD);
|
|
|
|
debug_event(adapter->san_dbf, level, r, sizeof(*r));
|
|
|
|
zfcp_dbf_hexdump(adapter->san_dbf, r, sizeof(*r), level,
|
|
|
|
(void *)hdr + sizeof(struct ct_hdr), rct->len);
|
2008-03-31 05:15:29 -04:00
|
|
|
spin_unlock_irqrestore(&adapter->san_dbf_lock, flags);
|
2005-09-13 15:50:38 -04:00
|
|
|
}
|
|
|
|
|
2008-03-31 05:15:30 -04:00
|
|
|
static void zfcp_san_dbf_event_els(const char *tag, int level,
|
|
|
|
struct zfcp_fsf_req *fsf_req, u32 s_id,
|
|
|
|
u32 d_id, u8 ls_code, void *buffer,
|
|
|
|
int buflen)
|
2005-09-13 15:50:38 -04:00
|
|
|
{
|
|
|
|
struct zfcp_adapter *adapter = fsf_req->adapter;
|
|
|
|
struct zfcp_san_dbf_record *rec = &adapter->san_dbf_buf;
|
|
|
|
unsigned long flags;
|
|
|
|
|
|
|
|
spin_lock_irqsave(&adapter->san_dbf_lock, flags);
|
2008-03-31 05:15:29 -04:00
|
|
|
memset(rec, 0, sizeof(*rec));
|
2008-03-27 09:21:56 -04:00
|
|
|
strncpy(rec->tag, tag, ZFCP_DBF_TAG_SIZE);
|
|
|
|
rec->fsf_reqid = (unsigned long)fsf_req;
|
|
|
|
rec->fsf_seqno = fsf_req->seq_no;
|
|
|
|
rec->s_id = s_id;
|
|
|
|
rec->d_id = d_id;
|
2008-03-31 05:15:29 -04:00
|
|
|
rec->u.els.ls_code = ls_code;
|
2008-03-27 09:21:56 -04:00
|
|
|
debug_event(adapter->san_dbf, level, rec, sizeof(*rec));
|
|
|
|
zfcp_dbf_hexdump(adapter->san_dbf, rec, sizeof(*rec), level,
|
2008-11-04 10:35:12 -05:00
|
|
|
buffer, min(buflen, ZFCP_DBF_SAN_MAX_PAYLOAD));
|
2005-09-13 15:50:38 -04:00
|
|
|
spin_unlock_irqrestore(&adapter->san_dbf_lock, flags);
|
|
|
|
}
|
|
|
|
|
2008-03-31 05:15:31 -04:00
|
|
|
/**
|
|
|
|
* zfcp_san_dbf_event_els_request - trace event for issued ELS
|
|
|
|
* @fsf_req: request containing issued ELS
|
|
|
|
*/
|
2007-02-05 15:18:53 -05:00
|
|
|
void zfcp_san_dbf_event_els_request(struct zfcp_fsf_req *fsf_req)
|
2005-09-13 15:50:38 -04:00
|
|
|
{
|
|
|
|
struct zfcp_send_els *els = (struct zfcp_send_els *)fsf_req->data;
|
|
|
|
|
2008-03-31 05:15:30 -04:00
|
|
|
zfcp_san_dbf_event_els("oels", 2, fsf_req,
|
|
|
|
fc_host_port_id(els->adapter->scsi_host),
|
2008-10-01 06:42:16 -04:00
|
|
|
els->d_id, *(u8 *) sg_virt(els->req),
|
|
|
|
sg_virt(els->req), els->req->length);
|
2005-09-13 15:50:38 -04:00
|
|
|
}
|
|
|
|
|
2008-03-31 05:15:31 -04:00
|
|
|
/**
|
|
|
|
* zfcp_san_dbf_event_els_response - trace event for completed ELS
|
|
|
|
* @fsf_req: request containing ELS response
|
|
|
|
*/
|
2007-02-05 15:18:53 -05:00
|
|
|
void zfcp_san_dbf_event_els_response(struct zfcp_fsf_req *fsf_req)
|
2005-09-13 15:50:38 -04:00
|
|
|
{
|
|
|
|
struct zfcp_send_els *els = (struct zfcp_send_els *)fsf_req->data;
|
|
|
|
|
2008-03-31 05:15:30 -04:00
|
|
|
zfcp_san_dbf_event_els("rels", 2, fsf_req, els->d_id,
|
|
|
|
fc_host_port_id(els->adapter->scsi_host),
|
2008-10-01 06:42:16 -04:00
|
|
|
*(u8 *)sg_virt(els->req), sg_virt(els->resp),
|
2008-03-31 05:15:30 -04:00
|
|
|
els->resp->length);
|
2005-09-13 15:50:38 -04:00
|
|
|
}
|
|
|
|
|
2008-03-31 05:15:31 -04:00
|
|
|
/**
|
|
|
|
* zfcp_san_dbf_event_incoming_els - trace event for incomig ELS
|
|
|
|
* @fsf_req: request containing unsolicited status buffer with incoming ELS
|
|
|
|
*/
|
2007-02-05 15:18:53 -05:00
|
|
|
void zfcp_san_dbf_event_incoming_els(struct zfcp_fsf_req *fsf_req)
|
2005-09-13 15:50:38 -04:00
|
|
|
{
|
|
|
|
struct zfcp_adapter *adapter = fsf_req->adapter;
|
2008-03-31 05:15:30 -04:00
|
|
|
struct fsf_status_read_buffer *buf =
|
|
|
|
(struct fsf_status_read_buffer *)fsf_req->data;
|
|
|
|
int length = (int)buf->length -
|
|
|
|
(int)((void *)&buf->payload - (void *)buf);
|
|
|
|
|
|
|
|
zfcp_san_dbf_event_els("iels", 1, fsf_req, buf->d_id,
|
|
|
|
fc_host_port_id(adapter->scsi_host),
|
2008-07-02 04:56:39 -04:00
|
|
|
buf->payload.data[0], (void *)buf->payload.data,
|
2008-03-31 05:15:30 -04:00
|
|
|
length);
|
2005-09-13 15:50:38 -04:00
|
|
|
}
|
|
|
|
|
2008-03-31 05:15:30 -04:00
|
|
|
static int zfcp_san_dbf_view_format(debug_info_t *id, struct debug_view *view,
|
|
|
|
char *out_buf, const char *in_buf)
|
2005-09-13 15:50:38 -04:00
|
|
|
{
|
2008-03-31 05:15:24 -04:00
|
|
|
struct zfcp_san_dbf_record *r = (struct zfcp_san_dbf_record *)in_buf;
|
|
|
|
char *p = out_buf;
|
2005-09-13 15:50:38 -04:00
|
|
|
|
2008-03-31 05:15:24 -04:00
|
|
|
if (strncmp(r->tag, "dump", ZFCP_DBF_TAG_SIZE) == 0)
|
2005-09-13 15:50:38 -04:00
|
|
|
return 0;
|
|
|
|
|
2008-03-31 05:15:27 -04:00
|
|
|
zfcp_dbf_tag(&p, "tag", r->tag);
|
2008-03-31 05:15:24 -04:00
|
|
|
zfcp_dbf_out(&p, "fsf_reqid", "0x%0Lx", r->fsf_reqid);
|
|
|
|
zfcp_dbf_out(&p, "fsf_seqno", "0x%08x", r->fsf_seqno);
|
|
|
|
zfcp_dbf_out(&p, "s_id", "0x%06x", r->s_id);
|
|
|
|
zfcp_dbf_out(&p, "d_id", "0x%06x", r->d_id);
|
|
|
|
|
|
|
|
if (strncmp(r->tag, "octc", ZFCP_DBF_TAG_SIZE) == 0) {
|
2008-03-31 05:15:29 -04:00
|
|
|
struct zfcp_san_dbf_record_ct_request *ct = &r->u.ct_req;
|
|
|
|
zfcp_dbf_out(&p, "cmd_req_code", "0x%04x", ct->cmd_req_code);
|
|
|
|
zfcp_dbf_out(&p, "revision", "0x%02x", ct->revision);
|
|
|
|
zfcp_dbf_out(&p, "gs_type", "0x%02x", ct->gs_type);
|
|
|
|
zfcp_dbf_out(&p, "gs_subtype", "0x%02x", ct->gs_subtype);
|
|
|
|
zfcp_dbf_out(&p, "options", "0x%02x", ct->options);
|
|
|
|
zfcp_dbf_out(&p, "max_res_size", "0x%04x", ct->max_res_size);
|
2008-03-31 05:15:24 -04:00
|
|
|
} else if (strncmp(r->tag, "rctc", ZFCP_DBF_TAG_SIZE) == 0) {
|
2008-03-31 05:15:29 -04:00
|
|
|
struct zfcp_san_dbf_record_ct_response *ct = &r->u.ct_resp;
|
|
|
|
zfcp_dbf_out(&p, "cmd_rsp_code", "0x%04x", ct->cmd_rsp_code);
|
|
|
|
zfcp_dbf_out(&p, "revision", "0x%02x", ct->revision);
|
|
|
|
zfcp_dbf_out(&p, "reason_code", "0x%02x", ct->reason_code);
|
|
|
|
zfcp_dbf_out(&p, "reason_code_expl", "0x%02x", ct->expl);
|
|
|
|
zfcp_dbf_out(&p, "vendor_unique", "0x%02x", ct->vendor_unique);
|
2008-03-31 05:15:24 -04:00
|
|
|
} else if (strncmp(r->tag, "oels", ZFCP_DBF_TAG_SIZE) == 0 ||
|
|
|
|
strncmp(r->tag, "rels", ZFCP_DBF_TAG_SIZE) == 0 ||
|
|
|
|
strncmp(r->tag, "iels", ZFCP_DBF_TAG_SIZE) == 0) {
|
2008-03-31 05:15:29 -04:00
|
|
|
struct zfcp_san_dbf_record_els *els = &r->u.els;
|
|
|
|
zfcp_dbf_out(&p, "ls_code", "0x%02x", els->ls_code);
|
2005-09-13 15:50:38 -04:00
|
|
|
}
|
2008-03-31 05:15:24 -04:00
|
|
|
return p - out_buf;
|
2005-09-13 15:50:38 -04:00
|
|
|
}
|
|
|
|
|
2007-02-05 15:16:47 -05:00
|
|
|
static struct debug_view zfcp_san_dbf_view = {
|
2005-09-13 15:50:38 -04:00
|
|
|
"structured",
|
|
|
|
NULL,
|
|
|
|
&zfcp_dbf_view_header,
|
|
|
|
&zfcp_san_dbf_view_format,
|
|
|
|
NULL,
|
|
|
|
NULL
|
|
|
|
};
|
|
|
|
|
2008-03-31 05:15:30 -04:00
|
|
|
static void zfcp_scsi_dbf_event(const char *tag, const char *tag2, int level,
|
|
|
|
struct zfcp_adapter *adapter,
|
|
|
|
struct scsi_cmnd *scsi_cmnd,
|
|
|
|
struct zfcp_fsf_req *fsf_req,
|
|
|
|
unsigned long old_req_id)
|
2005-09-13 15:50:38 -04:00
|
|
|
{
|
|
|
|
struct zfcp_scsi_dbf_record *rec = &adapter->scsi_dbf_buf;
|
|
|
|
struct zfcp_dbf_dump *dump = (struct zfcp_dbf_dump *)rec;
|
|
|
|
unsigned long flags;
|
|
|
|
struct fcp_rsp_iu *fcp_rsp;
|
|
|
|
char *fcp_rsp_info = NULL, *fcp_sns_info = NULL;
|
|
|
|
int offset = 0, buflen = 0;
|
|
|
|
|
|
|
|
spin_lock_irqsave(&adapter->scsi_dbf_lock, flags);
|
|
|
|
do {
|
2008-03-31 05:15:29 -04:00
|
|
|
memset(rec, 0, sizeof(*rec));
|
2005-09-13 15:50:38 -04:00
|
|
|
if (offset == 0) {
|
|
|
|
strncpy(rec->tag, tag, ZFCP_DBF_TAG_SIZE);
|
|
|
|
strncpy(rec->tag2, tag2, ZFCP_DBF_TAG_SIZE);
|
2006-02-10 19:42:58 -05:00
|
|
|
if (scsi_cmnd != NULL) {
|
|
|
|
if (scsi_cmnd->device) {
|
|
|
|
rec->scsi_id = scsi_cmnd->device->id;
|
|
|
|
rec->scsi_lun = scsi_cmnd->device->lun;
|
|
|
|
}
|
|
|
|
rec->scsi_result = scsi_cmnd->result;
|
|
|
|
rec->scsi_cmnd = (unsigned long)scsi_cmnd;
|
|
|
|
rec->scsi_serial = scsi_cmnd->serial_number;
|
2008-04-30 04:19:47 -04:00
|
|
|
memcpy(rec->scsi_opcode, scsi_cmnd->cmnd,
|
2006-02-10 19:42:58 -05:00
|
|
|
min((int)scsi_cmnd->cmd_len,
|
|
|
|
ZFCP_DBF_SCSI_OPCODE));
|
|
|
|
rec->scsi_retries = scsi_cmnd->retries;
|
|
|
|
rec->scsi_allowed = scsi_cmnd->allowed;
|
2005-09-13 15:50:38 -04:00
|
|
|
}
|
|
|
|
if (fsf_req != NULL) {
|
|
|
|
fcp_rsp = (struct fcp_rsp_iu *)
|
|
|
|
&(fsf_req->qtcb->bottom.io.fcp_rsp);
|
2008-07-02 04:56:36 -04:00
|
|
|
fcp_rsp_info = (unsigned char *) &fcp_rsp[1];
|
2005-09-13 15:50:38 -04:00
|
|
|
fcp_sns_info =
|
|
|
|
zfcp_get_fcp_sns_info_ptr(fcp_rsp);
|
|
|
|
|
2008-03-31 05:15:29 -04:00
|
|
|
rec->rsp_validity = fcp_rsp->validity.value;
|
|
|
|
rec->rsp_scsi_status = fcp_rsp->scsi_status;
|
|
|
|
rec->rsp_resid = fcp_rsp->fcp_resid;
|
2005-09-13 15:50:38 -04:00
|
|
|
if (fcp_rsp->validity.bits.fcp_rsp_len_valid)
|
2008-03-31 05:15:29 -04:00
|
|
|
rec->rsp_code = *(fcp_rsp_info + 3);
|
2005-09-13 15:50:38 -04:00
|
|
|
if (fcp_rsp->validity.bits.fcp_sns_len_valid) {
|
|
|
|
buflen = min((int)fcp_rsp->fcp_sns_len,
|
|
|
|
ZFCP_DBF_SCSI_MAX_FCP_SNS_INFO);
|
2008-03-31 05:15:29 -04:00
|
|
|
rec->sns_info_len = buflen;
|
|
|
|
memcpy(rec->sns_info, fcp_sns_info,
|
2005-09-13 15:50:38 -04:00
|
|
|
min(buflen,
|
|
|
|
ZFCP_DBF_SCSI_FCP_SNS_INFO));
|
|
|
|
offset += min(buflen,
|
|
|
|
ZFCP_DBF_SCSI_FCP_SNS_INFO);
|
|
|
|
}
|
|
|
|
|
|
|
|
rec->fsf_reqid = (unsigned long)fsf_req;
|
|
|
|
rec->fsf_seqno = fsf_req->seq_no;
|
|
|
|
rec->fsf_issued = fsf_req->issued;
|
|
|
|
}
|
2008-03-31 05:15:29 -04:00
|
|
|
rec->old_fsf_reqid = old_req_id;
|
2005-09-13 15:50:38 -04:00
|
|
|
} else {
|
|
|
|
strncpy(dump->tag, "dump", ZFCP_DBF_TAG_SIZE);
|
|
|
|
dump->total_size = buflen;
|
|
|
|
dump->offset = offset;
|
|
|
|
dump->size = min(buflen - offset,
|
|
|
|
(int)sizeof(struct
|
|
|
|
zfcp_scsi_dbf_record) -
|
|
|
|
(int)sizeof(struct zfcp_dbf_dump));
|
|
|
|
memcpy(dump->data, fcp_sns_info + offset, dump->size);
|
|
|
|
offset += dump->size;
|
|
|
|
}
|
2008-03-31 05:15:29 -04:00
|
|
|
debug_event(adapter->scsi_dbf, level, rec, sizeof(*rec));
|
2005-09-13 15:50:38 -04:00
|
|
|
} while (offset < buflen);
|
|
|
|
spin_unlock_irqrestore(&adapter->scsi_dbf_lock, flags);
|
|
|
|
}
|
|
|
|
|
2008-03-31 05:15:31 -04:00
|
|
|
/**
|
|
|
|
* 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)
|
|
|
|
*/
|
2008-03-31 05:15:30 -04:00
|
|
|
void zfcp_scsi_dbf_event_result(const char *tag, int level,
|
|
|
|
struct zfcp_adapter *adapter,
|
|
|
|
struct scsi_cmnd *scsi_cmnd,
|
|
|
|
struct zfcp_fsf_req *fsf_req)
|
2005-09-13 15:50:38 -04:00
|
|
|
{
|
2008-03-31 05:15:30 -04:00
|
|
|
zfcp_scsi_dbf_event("rslt", tag, level, adapter, scsi_cmnd, fsf_req, 0);
|
2005-09-13 15:50:38 -04:00
|
|
|
}
|
|
|
|
|
2008-03-31 05:15:31 -04:00
|
|
|
/**
|
|
|
|
* 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
|
|
|
|
*/
|
2008-03-31 05:15:30 -04:00
|
|
|
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,
|
|
|
|
unsigned long old_req_id)
|
2005-09-13 15:50:38 -04:00
|
|
|
{
|
2008-03-31 05:15:30 -04:00
|
|
|
zfcp_scsi_dbf_event("abrt", tag, 1, adapter, scsi_cmnd, new_fsf_req,
|
|
|
|
old_req_id);
|
2005-09-13 15:50:38 -04:00
|
|
|
}
|
|
|
|
|
2008-03-31 05:15:31 -04:00
|
|
|
/**
|
|
|
|
* 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
|
|
|
|
*/
|
2008-03-31 05:15:30 -04:00
|
|
|
void zfcp_scsi_dbf_event_devreset(const char *tag, u8 flag,
|
|
|
|
struct zfcp_unit *unit,
|
|
|
|
struct scsi_cmnd *scsi_cmnd)
|
2005-09-13 15:50:38 -04:00
|
|
|
{
|
2008-03-31 05:15:30 -04:00
|
|
|
zfcp_scsi_dbf_event(flag == FCP_TARGET_RESET ? "trst" : "lrst", tag, 1,
|
|
|
|
unit->port->adapter, scsi_cmnd, NULL, 0);
|
2005-09-13 15:50:38 -04:00
|
|
|
}
|
|
|
|
|
2008-03-31 05:15:30 -04:00
|
|
|
static int zfcp_scsi_dbf_view_format(debug_info_t *id, struct debug_view *view,
|
|
|
|
char *out_buf, const char *in_buf)
|
2005-09-13 15:50:38 -04:00
|
|
|
{
|
2008-03-31 05:15:24 -04:00
|
|
|
struct zfcp_scsi_dbf_record *r = (struct zfcp_scsi_dbf_record *)in_buf;
|
2008-03-31 05:15:23 -04:00
|
|
|
struct timespec t;
|
2008-03-31 05:15:24 -04:00
|
|
|
char *p = out_buf;
|
2005-09-13 15:50:38 -04:00
|
|
|
|
2008-03-31 05:15:24 -04:00
|
|
|
if (strncmp(r->tag, "dump", ZFCP_DBF_TAG_SIZE) == 0)
|
2005-09-13 15:50:38 -04:00
|
|
|
return 0;
|
|
|
|
|
2008-03-31 05:15:27 -04:00
|
|
|
zfcp_dbf_tag(&p, "tag", r->tag);
|
|
|
|
zfcp_dbf_tag(&p, "tag2", r->tag2);
|
2008-03-31 05:15:24 -04:00
|
|
|
zfcp_dbf_out(&p, "scsi_id", "0x%08x", r->scsi_id);
|
|
|
|
zfcp_dbf_out(&p, "scsi_lun", "0x%08x", r->scsi_lun);
|
|
|
|
zfcp_dbf_out(&p, "scsi_result", "0x%08x", r->scsi_result);
|
|
|
|
zfcp_dbf_out(&p, "scsi_cmnd", "0x%0Lx", r->scsi_cmnd);
|
|
|
|
zfcp_dbf_out(&p, "scsi_serial", "0x%016Lx", r->scsi_serial);
|
2008-03-31 05:15:26 -04:00
|
|
|
zfcp_dbf_outd(&p, "scsi_opcode", r->scsi_opcode, ZFCP_DBF_SCSI_OPCODE,
|
|
|
|
0, ZFCP_DBF_SCSI_OPCODE);
|
2008-03-31 05:15:24 -04:00
|
|
|
zfcp_dbf_out(&p, "scsi_retries", "0x%02x", r->scsi_retries);
|
|
|
|
zfcp_dbf_out(&p, "scsi_allowed", "0x%02x", r->scsi_allowed);
|
|
|
|
if (strncmp(r->tag, "abrt", ZFCP_DBF_TAG_SIZE) == 0)
|
2008-03-31 05:15:29 -04:00
|
|
|
zfcp_dbf_out(&p, "old_fsf_reqid", "0x%0Lx", r->old_fsf_reqid);
|
2008-03-31 05:15:24 -04:00
|
|
|
zfcp_dbf_out(&p, "fsf_reqid", "0x%0Lx", r->fsf_reqid);
|
|
|
|
zfcp_dbf_out(&p, "fsf_seqno", "0x%08x", r->fsf_seqno);
|
|
|
|
zfcp_dbf_timestamp(r->fsf_issued, &t);
|
|
|
|
zfcp_dbf_out(&p, "fsf_issued", "%011lu:%06lu", t.tv_sec, t.tv_nsec);
|
|
|
|
|
|
|
|
if (strncmp(r->tag, "rslt", ZFCP_DBF_TAG_SIZE) == 0) {
|
2008-03-31 05:15:29 -04:00
|
|
|
zfcp_dbf_out(&p, "fcp_rsp_validity", "0x%02x", r->rsp_validity);
|
|
|
|
zfcp_dbf_out(&p, "fcp_rsp_scsi_status", "0x%02x",
|
|
|
|
r->rsp_scsi_status);
|
|
|
|
zfcp_dbf_out(&p, "fcp_rsp_resid", "0x%08x", r->rsp_resid);
|
|
|
|
zfcp_dbf_out(&p, "fcp_rsp_code", "0x%08x", r->rsp_code);
|
|
|
|
zfcp_dbf_out(&p, "fcp_sns_info_len", "0x%08x", r->sns_info_len);
|
|
|
|
zfcp_dbf_outd(&p, "fcp_sns_info", r->sns_info,
|
|
|
|
min((int)r->sns_info_len,
|
2008-03-31 05:15:26 -04:00
|
|
|
ZFCP_DBF_SCSI_FCP_SNS_INFO), 0,
|
2008-03-31 05:15:29 -04:00
|
|
|
r->sns_info_len);
|
2005-09-13 15:50:38 -04:00
|
|
|
}
|
2008-03-31 05:15:24 -04:00
|
|
|
p += sprintf(p, "\n");
|
|
|
|
return p - out_buf;
|
2005-09-13 15:50:38 -04:00
|
|
|
}
|
|
|
|
|
2007-02-05 15:16:47 -05:00
|
|
|
static struct debug_view zfcp_scsi_dbf_view = {
|
2005-09-13 15:50:38 -04:00
|
|
|
"structured",
|
|
|
|
NULL,
|
|
|
|
&zfcp_dbf_view_header,
|
|
|
|
&zfcp_scsi_dbf_view_format,
|
|
|
|
NULL,
|
|
|
|
NULL
|
|
|
|
};
|
|
|
|
|
|
|
|
/**
|
|
|
|
* zfcp_adapter_debug_register - registers debug feature for an adapter
|
|
|
|
* @adapter: pointer to adapter for which debug features should be registered
|
|
|
|
* return: -ENOMEM on error, 0 otherwise
|
|
|
|
*/
|
|
|
|
int zfcp_adapter_debug_register(struct zfcp_adapter *adapter)
|
|
|
|
{
|
|
|
|
char dbf_name[DEBUG_MAX_NAME_LEN];
|
|
|
|
|
2008-03-27 09:22:00 -04:00
|
|
|
/* debug feature area which records recovery activity */
|
|
|
|
sprintf(dbf_name, "zfcp_%s_rec", zfcp_get_busid_by_adapter(adapter));
|
|
|
|
adapter->rec_dbf = debug_register(dbf_name, dbfsize, 1,
|
|
|
|
sizeof(struct zfcp_rec_dbf_record));
|
|
|
|
if (!adapter->rec_dbf)
|
|
|
|
goto failed;
|
|
|
|
debug_register_view(adapter->rec_dbf, &debug_hex_ascii_view);
|
|
|
|
debug_register_view(adapter->rec_dbf, &zfcp_rec_dbf_view);
|
|
|
|
debug_set_level(adapter->rec_dbf, 3);
|
|
|
|
|
2005-09-13 15:50:38 -04:00
|
|
|
/* debug feature area which records HBA (FSF and QDIO) conditions */
|
|
|
|
sprintf(dbf_name, "zfcp_%s_hba", zfcp_get_busid_by_adapter(adapter));
|
|
|
|
adapter->hba_dbf = debug_register(dbf_name, dbfsize, 1,
|
|
|
|
sizeof(struct zfcp_hba_dbf_record));
|
|
|
|
if (!adapter->hba_dbf)
|
|
|
|
goto failed;
|
|
|
|
debug_register_view(adapter->hba_dbf, &debug_hex_ascii_view);
|
|
|
|
debug_register_view(adapter->hba_dbf, &zfcp_hba_dbf_view);
|
|
|
|
debug_set_level(adapter->hba_dbf, 3);
|
|
|
|
|
|
|
|
/* debug feature area which records SAN command failures and recovery */
|
|
|
|
sprintf(dbf_name, "zfcp_%s_san", zfcp_get_busid_by_adapter(adapter));
|
|
|
|
adapter->san_dbf = debug_register(dbf_name, dbfsize, 1,
|
|
|
|
sizeof(struct zfcp_san_dbf_record));
|
|
|
|
if (!adapter->san_dbf)
|
|
|
|
goto failed;
|
|
|
|
debug_register_view(adapter->san_dbf, &debug_hex_ascii_view);
|
|
|
|
debug_register_view(adapter->san_dbf, &zfcp_san_dbf_view);
|
|
|
|
debug_set_level(adapter->san_dbf, 6);
|
|
|
|
|
|
|
|
/* debug feature area which records SCSI command failures and recovery */
|
|
|
|
sprintf(dbf_name, "zfcp_%s_scsi", zfcp_get_busid_by_adapter(adapter));
|
|
|
|
adapter->scsi_dbf = debug_register(dbf_name, dbfsize, 1,
|
|
|
|
sizeof(struct zfcp_scsi_dbf_record));
|
|
|
|
if (!adapter->scsi_dbf)
|
|
|
|
goto failed;
|
|
|
|
debug_register_view(adapter->scsi_dbf, &debug_hex_ascii_view);
|
|
|
|
debug_register_view(adapter->scsi_dbf, &zfcp_scsi_dbf_view);
|
|
|
|
debug_set_level(adapter->scsi_dbf, 3);
|
|
|
|
|
|
|
|
return 0;
|
|
|
|
|
|
|
|
failed:
|
|
|
|
zfcp_adapter_debug_unregister(adapter);
|
|
|
|
|
|
|
|
return -ENOMEM;
|
|
|
|
}
|
|
|
|
|
|
|
|
/**
|
|
|
|
* zfcp_adapter_debug_unregister - unregisters debug feature for an adapter
|
|
|
|
* @adapter: pointer to adapter for which debug features should be unregistered
|
|
|
|
*/
|
|
|
|
void zfcp_adapter_debug_unregister(struct zfcp_adapter *adapter)
|
|
|
|
{
|
|
|
|
debug_unregister(adapter->scsi_dbf);
|
|
|
|
debug_unregister(adapter->san_dbf);
|
|
|
|
debug_unregister(adapter->hba_dbf);
|
2008-03-27 09:22:00 -04:00
|
|
|
debug_unregister(adapter->rec_dbf);
|
2005-09-13 15:50:38 -04:00
|
|
|
adapter->scsi_dbf = NULL;
|
|
|
|
adapter->san_dbf = NULL;
|
|
|
|
adapter->hba_dbf = NULL;
|
2008-03-27 09:22:00 -04:00
|
|
|
adapter->rec_dbf = NULL;
|
2005-09-13 15:50:38 -04:00
|
|
|
}
|