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authorJoe Carnuccio <joe.carnuccio@qlogic.com>2013-08-27 01:37:40 -0400
committerJames Bottomley <JBottomley@Parallels.com>2013-09-03 07:28:04 -0700
commitfabbb8df8eba6f248fd0fef7d19a0d7d4a4a0e95 (patch)
tree7f8f3f53620b8b82551b8f816521c3b49a7bf21c /drivers/scsi/qla2xxx/qla_attr.c
parent0e948975efe2b5aef19f5090279f657b5262a64a (diff)
[SCSI] qla2xxx: Add missing FCP statistics to sysfs interface.
Add the missing FCP statistics to sysfs. Add reset FCP statistics functionality via sysfs. Signed-off-by: Joe Carnuccio <joe.carnuccio@qlogic.com> Signed-off-by: Saurav Kashyap <saurav.kashyap@qlogic.com> Signed-off-by: James Bottomley <JBottomley@Parallels.com>
Diffstat (limited to 'drivers/scsi/qla2xxx/qla_attr.c')
-rw-r--r--drivers/scsi/qla2xxx/qla_attr.c25
1 files changed, 24 insertions, 1 deletions
diff --git a/drivers/scsi/qla2xxx/qla_attr.c b/drivers/scsi/qla2xxx/qla_attr.c
index 93f378325f45..85aad4a0b281 100644
--- a/drivers/scsi/qla2xxx/qla_attr.c
+++ b/drivers/scsi/qla2xxx/qla_attr.c
@@ -1732,11 +1732,21 @@ qla2x00_get_fc_host_stats(struct Scsi_Host *shost)
pfc_host_stat->lip_count = stats->lip_cnt;
pfc_host_stat->tx_frames = stats->tx_frames;
pfc_host_stat->rx_frames = stats->rx_frames;
- pfc_host_stat->dumped_frames = stats->dumped_frames;
+ pfc_host_stat->dumped_frames = stats->discarded_frames;
pfc_host_stat->nos_count = stats->nos_rcvd;
+ pfc_host_stat->error_frames =
+ stats->dropped_frames + stats->discarded_frames;
+ pfc_host_stat->rx_words = vha->qla_stats.input_bytes;
+ pfc_host_stat->tx_words = vha->qla_stats.output_bytes;
}
+ pfc_host_stat->fcp_control_requests = vha->qla_stats.control_requests;
+ pfc_host_stat->fcp_input_requests = vha->qla_stats.input_requests;
+ pfc_host_stat->fcp_output_requests = vha->qla_stats.output_requests;
pfc_host_stat->fcp_input_megabytes = vha->qla_stats.input_bytes >> 20;
pfc_host_stat->fcp_output_megabytes = vha->qla_stats.output_bytes >> 20;
+ pfc_host_stat->seconds_since_last_reset =
+ get_jiffies_64() - vha->qla_stats.jiffies_at_last_reset;
+ do_div(pfc_host_stat->seconds_since_last_reset, HZ);
done_free:
dma_pool_free(ha->s_dma_pool, stats, stats_dma);
@@ -1745,6 +1755,16 @@ done:
}
static void
+qla2x00_reset_host_stats(struct Scsi_Host *shost)
+{
+ scsi_qla_host_t *vha = shost_priv(shost);
+
+ memset(&vha->fc_host_stat, 0, sizeof(vha->fc_host_stat));
+
+ vha->qla_stats.jiffies_at_last_reset = get_jiffies_64();
+}
+
+static void
qla2x00_get_host_symbolic_name(struct Scsi_Host *shost)
{
scsi_qla_host_t *vha = shost_priv(shost);
@@ -2050,6 +2070,7 @@ struct fc_function_template qla2xxx_transport_functions = {
.dev_loss_tmo_callbk = qla2x00_dev_loss_tmo_callbk,
.terminate_rport_io = qla2x00_terminate_rport_io,
.get_fc_host_stats = qla2x00_get_fc_host_stats,
+ .reset_fc_host_stats = qla2x00_reset_host_stats,
.vport_create = qla24xx_vport_create,
.vport_disable = qla24xx_vport_disable,
@@ -2096,6 +2117,8 @@ struct fc_function_template qla2xxx_transport_vport_functions = {
.dev_loss_tmo_callbk = qla2x00_dev_loss_tmo_callbk,
.terminate_rport_io = qla2x00_terminate_rport_io,
.get_fc_host_stats = qla2x00_get_fc_host_stats,
+ .reset_fc_host_stats = qla2x00_reset_host_stats,
+
.bsg_request = qla24xx_bsg_request,
.bsg_timeout = qla24xx_bsg_timeout,
};