From: Joe Carnuccio <joe.carnuccio@xxxxxxxxxx>
Add the missing FCP statistics to sysfs.
Add reset FCP statistics functionality via sysfs.
Signed-off-by: Joe Carnuccio <joe.carnuccio@xxxxxxxxxx>
Signed-off-by: Saurav Kashyap <saurav.kashyap@xxxxxxxxxx>
---
drivers/scsi/qla2xxx/qla_attr.c | 25 ++++++++++++++++++++++++-
drivers/scsi/qla2xxx/qla_def.h | 10 ++++++++--
drivers/scsi/qla2xxx/qla_gs.c | 6 ++++++
drivers/scsi/qla2xxx/qla_init.c | 1 +
drivers/scsi/qla2xxx/qla_iocb.c | 13 +++++++++++++
drivers/scsi/qla2xxx/qla_isr.c | 3 +++
6 files changed, 55 insertions(+), 3 deletions(-)
diff --git a/drivers/scsi/qla2xxx/qla_attr.c b/drivers/scsi/qla2xxx/qla_attr.c
index 93f3783..85aad4a 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,
};
diff --git a/drivers/scsi/qla2xxx/qla_def.h b/drivers/scsi/qla2xxx/qla_def.h
index e5d3373..0aa1bea 100644
--- a/drivers/scsi/qla2xxx/qla_def.h
+++ b/drivers/scsi/qla2xxx/qla_def.h
@@ -1236,8 +1236,9 @@ struct link_statistics {
uint32_t unused1[0x1a];
uint32_t tx_frames;
uint32_t rx_frames;
- uint32_t dumped_frames;
- uint32_t unused2[2];
+ uint32_t discarded_frames;
+ uint32_t dropped_frames;
+ uint32_t unused2[1];
uint32_t nos_rcvd;
};
@@ -2659,6 +2660,11 @@ struct qla_statistics {
uint32_t total_isp_aborts;
uint64_t input_bytes;
uint64_t output_bytes;
+ uint64_t input_requests;
+ uint64_t output_requests;
+ uint32_t control_requests;
+
+ uint64_t jiffies_at_last_reset;
};
struct bidi_statistics {
diff --git a/drivers/scsi/qla2xxx/qla_gs.c b/drivers/scsi/qla2xxx/qla_gs.c
index 84cce36..cd47f1b 100644
--- a/drivers/scsi/qla2xxx/qla_gs.c
+++ b/drivers/scsi/qla2xxx/qla_gs.c
@@ -49,6 +49,8 @@ qla2x00_prep_ms_iocb(scsi_qla_host_t *vha, uint32_t req_size, uint32_t rsp_size)
ms_pkt->dseg_rsp_address[1] = cpu_to_le32(MSD(ha->ct_sns_dma));
ms_pkt->dseg_rsp_length = ms_pkt->rsp_bytecount;
+ vha->qla_stats.control_requests++;
+
return (ms_pkt);
}
@@ -87,6 +89,8 @@ qla24xx_prep_ms_iocb(scsi_qla_host_t *vha, uint32_t req_size, uint32_t rsp_size)
ct_pkt->dseg_1_len = ct_pkt->rsp_byte_count;
ct_pkt->vp_index = vha->vp_idx;
+ vha->qla_stats.control_requests++;
+
return (ct_pkt);
}
@@ -723,6 +727,8 @@ qla2x00_prep_sns_cmd(scsi_qla_host_t *vha, uint16_t cmd, uint16_t scmd_len,
wc = (data_size - 16) / 4; /* Size in 32bit words. */
sns_cmd->p.cmd.size = cpu_to_le16(wc);
+ vha->qla_stats.control_requests++;
+
return (sns_cmd);
}
diff --git a/drivers/scsi/qla2xxx/qla_init.c b/drivers/scsi/qla2xxx/qla_init.c
index 91df7a5..03f715e 100644
--- a/drivers/scsi/qla2xxx/qla_init.c
+++ b/drivers/scsi/qla2xxx/qla_init.c
@@ -524,6 +524,7 @@ qla2x00_initialize_adapter(scsi_qla_host_t *vha)
vha->flags.reset_active = 0;
ha->flags.pci_channel_io_perm_failure = 0;
ha->flags.eeh_busy = 0;
+ vha->qla_stats.jiffies_at_last_reset = get_jiffies_64();
atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME);
atomic_set(&vha->loop_state, LOOP_DOWN);
vha->device_flags = DFLG_NO_CABLE;
diff --git a/drivers/scsi/qla2xxx/qla_iocb.c b/drivers/scsi/qla2xxx/qla_iocb.c
index e2a7d2d..46b9307 100644
--- a/drivers/scsi/qla2xxx/qla_iocb.c
+++ b/drivers/scsi/qla2xxx/qla_iocb.c
@@ -32,9 +32,11 @@ qla2x00_get_cmd_direction(srb_t *sp)
if (cmd->sc_data_direction == DMA_TO_DEVICE) {
cflags = CF_WRITE;
vha->qla_stats.output_bytes += scsi_bufflen(cmd);
+ vha->qla_stats.output_requests++;
} else if (cmd->sc_data_direction == DMA_FROM_DEVICE) {
cflags = CF_READ;
vha->qla_stats.input_bytes += scsi_bufflen(cmd);
+ vha->qla_stats.input_requests++;
}
return (cflags);
}
@@ -642,10 +644,12 @@ qla24xx_build_scsi_type_6_iocbs(srb_t *sp, struct cmd_type_6 *cmd_pkt,
cmd_pkt->control_flags =
__constant_cpu_to_le16(CF_WRITE_DATA);
vha->qla_stats.output_bytes += scsi_bufflen(cmd);
+ vha->qla_stats.output_requests++;
} else if (cmd->sc_data_direction == DMA_FROM_DEVICE) {
cmd_pkt->control_flags =
__constant_cpu_to_le16(CF_READ_DATA);
vha->qla_stats.input_bytes += scsi_bufflen(cmd);
+ vha->qla_stats.input_requests++;
}
cur_seg = scsi_sglist(cmd);
@@ -758,10 +762,12 @@ qla24xx_build_scsi_iocbs(srb_t *sp, struct cmd_type_7 *cmd_pkt,
cmd_pkt->task_mgmt_flags =
__constant_cpu_to_le16(TMF_WRITE_DATA);
vha->qla_stats.output_bytes += scsi_bufflen(cmd);
+ vha->qla_stats.output_requests++;
} else if (cmd->sc_data_direction == DMA_FROM_DEVICE) {
cmd_pkt->task_mgmt_flags =
__constant_cpu_to_le16(TMF_READ_DATA);
vha->qla_stats.input_bytes += scsi_bufflen(cmd);
+ vha->qla_stats.input_requests++;
}
/* One DSD is available in the Command Type 3 IOCB */
@@ -2056,6 +2062,8 @@ qla24xx_els_iocb(srb_t *sp, struct els_entry_24xx *els_iocb)
(bsg_job->reply_payload.sg_list)));
els_iocb->rx_len = cpu_to_le32(sg_dma_len
(bsg_job->reply_payload.sg_list));
+
+ sp->fcport->vha->qla_stats.control_requests++;
}
static void
@@ -2133,6 +2141,8 @@ qla2x00_ct_iocb(srb_t *sp, ms_iocb_entry_t *ct_iocb)
avail_dsds--;
}
ct_iocb->entry_count = entry_count;
+
+ sp->fcport->vha->qla_stats.control_requests++;
}
static void
@@ -2685,6 +2695,9 @@ qla25xx_build_bidir_iocb(srb_t *sp, struct scsi_qla_host *vha,
vha->bidi_stats.transfer_bytes += req_data_len;
vha->bidi_stats.io_count++;
+ vha->qla_stats.output_bytes += req_data_len;
+ vha->qla_stats.output_requests++;
+
/* Only one dsd is available for bidirectional IOCB, remaining dsds
* are bundled in continuation iocb
*/
diff --git a/drivers/scsi/qla2xxx/qla_isr.c b/drivers/scsi/qla2xxx/qla_isr.c
index 4a9782c..bbc24d3 100644
--- a/drivers/scsi/qla2xxx/qla_isr.c
+++ b/drivers/scsi/qla2xxx/qla_isr.c
@@ -1807,6 +1807,9 @@ qla25xx_process_bidir_status_iocb(scsi_qla_host_t *vha, void *pkt,
if (scsi_status == 0) {
bsg_job->reply->reply_payload_rcv_len =
bsg_job->reply_payload.payload_len;
+ vha->qla_stats.input_bytes +=
+ bsg_job->reply->reply_payload_rcv_len;
+ vha->qla_stats.input_requests++;
rval = EXT_STATUS_OK;
}
goto done;
--
1.7.7
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