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path: root/drivers/scsi/fnic/fnic_trace.c
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Diffstat (limited to 'drivers/scsi/fnic/fnic_trace.c')
-rw-r--r--drivers/scsi/fnic/fnic_trace.c97
1 files changed, 75 insertions, 22 deletions
diff --git a/drivers/scsi/fnic/fnic_trace.c b/drivers/scsi/fnic/fnic_trace.c
index aaa4ea02fb7c..cdc6b12b1ec2 100644
--- a/drivers/scsi/fnic/fnic_trace.c
+++ b/drivers/scsi/fnic/fnic_trace.c
@@ -8,6 +8,7 @@
#include <linux/kallsyms.h>
#include <linux/time.h>
#include <linux/vmalloc.h>
+#include <scsi/scsi_transport_fc.h>
#include "fnic_io.h"
#include "fnic.h"
@@ -29,6 +30,17 @@ int fnic_fc_tracing_enabled = 1;
int fnic_fc_trace_cleared = 1;
static DEFINE_SPINLOCK(fnic_fc_trace_lock);
+static const char * const fnic_role_str[] = {
+ [FNIC_ROLE_FCP_INITIATOR] = "FCP_Initiator",
+};
+
+const char *fnic_role_to_str(unsigned int role)
+{
+ if (role >= ARRAY_SIZE(fnic_role_str) || !fnic_role_str[role])
+ return "Unknown";
+
+ return fnic_role_str[role];
+}
/*
* fnic_trace_get_buf - Give buffer pointer to user to fill up trace information
@@ -423,7 +435,8 @@ int fnic_get_stats_data(struct stats_debug_info *debug,
"Number of Check Conditions encountered: %lld\n"
"Number of QUEUE Fulls: %lld\n"
"Number of rport not ready: %lld\n"
- "Number of receive frame errors: %lld\n",
+ "Number of receive frame errors: %lld\n"
+ "Port speed (in Mbps): %lld\n",
(u64)stats->misc_stats.last_isr_time,
(s64)val1.tv_sec, val1.tv_nsec,
(u64)stats->misc_stats.last_ack_time,
@@ -446,18 +459,68 @@ int fnic_get_stats_data(struct stats_debug_info *debug,
(u64)atomic64_read(&stats->misc_stats.no_icmnd_itmf_cmpls),
(u64)atomic64_read(&stats->misc_stats.check_condition),
(u64)atomic64_read(&stats->misc_stats.queue_fulls),
- (u64)atomic64_read(&stats->misc_stats.rport_not_ready),
- (u64)atomic64_read(&stats->misc_stats.frame_errors));
-
- len += scnprintf(debug->debug_buffer + len, buf_size - len,
- "Firmware reported port speed: %llu\n",
- (u64)atomic64_read(
- &stats->misc_stats.current_port_speed));
+ (u64)atomic64_read(&stats->misc_stats.tport_not_ready),
+ (u64)atomic64_read(&stats->misc_stats.frame_errors),
+ (u64)atomic64_read(&stats->misc_stats.port_speed_in_mbps));
return len;
}
+int fnic_get_debug_info(struct stats_debug_info *info, struct fnic *fnic)
+{
+ struct fnic_iport_s *iport = &fnic->iport;
+ int buf_size = info->buf_size;
+ int len = info->buffer_len;
+ struct fnic_tport_s *tport, *next;
+ unsigned long flags;
+
+ len += snprintf(info->debug_buffer + len, buf_size - len,
+ "------------------------------------------\n"
+ "\t\t Debug Info\n"
+ "------------------------------------------\n");
+ len += snprintf(info->debug_buffer + len, buf_size - len,
+ "fnic Name:%s number:%d Role:%s State:%s\n",
+ fnic->name, fnic->fnic_num,
+ fnic_role_to_str(fnic->role),
+ fnic_state_to_str(fnic->state));
+ len +=
+ snprintf(info->debug_buffer + len, buf_size - len,
+ "iport State:%d Flags:0x%x vlan_id:%d fcid:0x%x\n",
+ iport->state, iport->flags, iport->vlan_id, iport->fcid);
+ len +=
+ snprintf(info->debug_buffer + len, buf_size - len,
+ "usefip:%d fip_state:%d fip_flogi_retry:%d\n",
+ iport->usefip, iport->fip.state, iport->fip.flogi_retry);
+ len +=
+ snprintf(info->debug_buffer + len, buf_size - len,
+ "fpma %02x:%02x:%02x:%02x:%02x:%02x",
+ iport->fpma[5], iport->fpma[4], iport->fpma[3],
+ iport->fpma[2], iport->fpma[1], iport->fpma[0]);
+ len +=
+ snprintf(info->debug_buffer + len, buf_size - len,
+ "fcfmac %02x:%02x:%02x:%02x:%02x:%02x\n",
+ iport->fcfmac[5], iport->fcfmac[4], iport->fcfmac[3],
+ iport->fcfmac[2], iport->fcfmac[1], iport->fcfmac[0]);
+ len +=
+ snprintf(info->debug_buffer + len, buf_size - len,
+ "fabric state:%d flags:0x%x retry_counter:%d e_d_tov:%d r_a_tov:%d\n",
+ iport->fabric.state, iport->fabric.flags,
+ iport->fabric.retry_counter, iport->e_d_tov,
+ iport->r_a_tov);
+
+ spin_lock_irqsave(&fnic->fnic_lock, flags);
+ list_for_each_entry_safe(tport, next, &iport->tport_list, links) {
+ len += snprintf(info->debug_buffer + len, buf_size - len,
+ "tport fcid:0x%x state:%d flags:0x%x inflight:%d retry_counter:%d\n",
+ tport->fcid, tport->state, tport->flags,
+ atomic_read(&tport->in_flight),
+ tport->retry_counter);
+ }
+ spin_unlock_irqrestore(&fnic->fnic_lock, flags);
+ return len;
+}
+
/*
* fnic_trace_buf_init - Initialize fnic trace buffer logging facility
*
@@ -485,8 +548,7 @@ int fnic_trace_buf_init(void)
}
fnic_trace_entries.page_offset =
- vmalloc(array_size(fnic_max_trace_entries,
- sizeof(unsigned long)));
+ vcalloc(fnic_max_trace_entries, sizeof(unsigned long));
if (!fnic_trace_entries.page_offset) {
printk(KERN_ERR PFX "Failed to allocate memory for"
" page_offset\n");
@@ -497,8 +559,6 @@ int fnic_trace_buf_init(void)
err = -ENOMEM;
goto err_fnic_trace_buf_init;
}
- memset((void *)fnic_trace_entries.page_offset, 0,
- (fnic_max_trace_entries * sizeof(unsigned long)));
fnic_trace_entries.wr_idx = fnic_trace_entries.rd_idx = 0;
fnic_buf_head = fnic_trace_buf_p;
@@ -559,8 +619,7 @@ int fnic_fc_trace_init(void)
fc_trace_max_entries = (fnic_fc_trace_max_pages * PAGE_SIZE)/
FC_TRC_SIZE_BYTES;
fnic_fc_ctlr_trace_buf_p =
- (unsigned long)vmalloc(array_size(PAGE_SIZE,
- fnic_fc_trace_max_pages));
+ (unsigned long)vcalloc(fnic_fc_trace_max_pages, PAGE_SIZE);
if (!fnic_fc_ctlr_trace_buf_p) {
pr_err("fnic: Failed to allocate memory for "
"FC Control Trace Buf\n");
@@ -568,13 +627,9 @@ int fnic_fc_trace_init(void)
goto err_fnic_fc_ctlr_trace_buf_init;
}
- memset((void *)fnic_fc_ctlr_trace_buf_p, 0,
- fnic_fc_trace_max_pages * PAGE_SIZE);
-
/* Allocate memory for page offset */
fc_trace_entries.page_offset =
- vmalloc(array_size(fc_trace_max_entries,
- sizeof(unsigned long)));
+ vcalloc(fc_trace_max_entries, sizeof(unsigned long));
if (!fc_trace_entries.page_offset) {
pr_err("fnic:Failed to allocate memory for page_offset\n");
if (fnic_fc_ctlr_trace_buf_p) {
@@ -585,8 +640,6 @@ int fnic_fc_trace_init(void)
err = -ENOMEM;
goto err_fnic_fc_ctlr_trace_buf_init;
}
- memset((void *)fc_trace_entries.page_offset, 0,
- (fc_trace_max_entries * sizeof(unsigned long)));
fc_trace_entries.rd_idx = fc_trace_entries.wr_idx = 0;
fc_trace_buf_head = fnic_fc_ctlr_trace_buf_p;
@@ -688,7 +741,7 @@ int fnic_fc_trace_set_data(u32 host_no, u8 frame_type,
*/
if (frame_type == FNIC_FC_RECV) {
eth_fcoe_hdr_len = sizeof(struct ethhdr) +
- sizeof(struct fcoe_hdr);
+ sizeof(struct fcoe_hdr);
memset((char *)fc_trace, 0xff, eth_fcoe_hdr_len);
/* Copy the rest of data frame */
memcpy((char *)(fc_trace + eth_fcoe_hdr_len), (void *)frame,
generated by cgit (git 2.34.1) at 2025-07-23 09:28:55 +0000