qla2xxx: Enable Target counters in DebugFS.
Following counters are added in target mode to help debugging efforts.
Target Counters
qla_core_sbt_cmd = 0
qla_core_ret_sta_ctio = 0
qla_core_ret_ctio = 0
core_qla_que_buf = 0
core_qla_snd_status = 0
core_qla_free_cmd = 0
num alloc iocb failed = 0
num term exchange sent = 0
num Q full sent = 0
Signed-off-by: Himanshu Madhani <himanshu.madhani@qlogic.com>
Signed-off-by: Giridhar Malavali <giridhar.malavali@qlogic.com>
Reviewed-by: Hannes Reinecke <hare@suse.com>
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
diff --git a/drivers/scsi/qla2xxx/qla_def.h b/drivers/scsi/qla2xxx/qla_def.h
index d31401c..f63de35 100644
--- a/drivers/scsi/qla2xxx/qla_def.h
+++ b/drivers/scsi/qla2xxx/qla_def.h
@@ -3342,6 +3342,8 @@
uint32_t chain_offset;
struct dentry *dfs_dir;
struct dentry *dfs_fce;
+ struct dentry *dfs_tgt_counters;
+
dma_addr_t fce_dma;
void *fce;
uint32_t fce_bufs;
@@ -3499,6 +3501,18 @@
int allow_cna_fw_dump;
};
+struct qla_tgt_counters {
+ uint64_t qla_core_sbt_cmd;
+ uint64_t core_qla_que_buf;
+ uint64_t qla_core_ret_ctio;
+ uint64_t core_qla_snd_status;
+ uint64_t qla_core_ret_sta_ctio;
+ uint64_t core_qla_free_cmd;
+ uint64_t num_q_full_sent;
+ uint64_t num_alloc_iocb_failed;
+ uint64_t num_term_xchg_sent;
+};
+
/*
* Qlogic scsi host structure
*/
@@ -3651,6 +3665,7 @@
atomic_t vref_count;
struct qla8044_reset_template reset_tmplt;
+ struct qla_tgt_counters tgt_counters;
} scsi_qla_host_t;
#define SET_VP_IDX 1