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authorJoe Carnuccio <joe.carnuccio@qlogic.com>2016-07-06 18:14:24 +0300
committerMartin K. Petersen <martin.petersen@oracle.com>2016-07-15 22:31:31 +0300
commitc6dc99058e5798958847eab7411083ca5b25643c (patch)
treeb109292e6dde38f052b2f775d95199fb62709c9d /drivers/scsi/qla2xxx
parentfc90adaf05ada86d3fcd145045eac32ad81f41e9 (diff)
downloadlinux-c6dc99058e5798958847eab7411083ca5b25643c.tar.xz
qla2xxx: Properly reset firmware statistics.
Signed-off-by: Joe Carnuccio <joe.carnuccio@qlogic.com> Signed-off-by: Himanshu Madhani <himanshu.madhani@qlogic.com> Reviewed-by: Hannes Reinecke <hare@suse.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Diffstat (limited to 'drivers/scsi/qla2xxx')
-rw-r--r--drivers/scsi/qla2xxx/qla_attr.c28
-rw-r--r--drivers/scsi/qla2xxx/qla_bsg.c2
-rw-r--r--drivers/scsi/qla2xxx/qla_dbg.c2
-rw-r--r--drivers/scsi/qla2xxx/qla_gbl.h2
-rw-r--r--drivers/scsi/qla2xxx/qla_mbx.c18
5 files changed, 35 insertions, 17 deletions
diff --git a/drivers/scsi/qla2xxx/qla_attr.c b/drivers/scsi/qla2xxx/qla_attr.c
index e0256a411cd5..8b06ce8fbb0f 100644
--- a/drivers/scsi/qla2xxx/qla_attr.c
+++ b/drivers/scsi/qla2xxx/qla_attr.c
@@ -1828,17 +1828,17 @@ qla2x00_get_fc_host_stats(struct Scsi_Host *shost)
goto done;
stats = dma_alloc_coherent(&ha->pdev->dev,
- sizeof(struct link_statistics), &stats_dma, GFP_KERNEL);
- if (stats == NULL) {
+ sizeof(*stats), &stats_dma, GFP_KERNEL);
+ if (!stats) {
ql_log(ql_log_warn, vha, 0x707d,
"Failed to allocate memory for stats.\n");
goto done;
}
- memset(stats, 0, DMA_POOL_SIZE);
+ memset(stats, 0, sizeof(*stats));
rval = QLA_FUNCTION_FAILED;
if (IS_FWI2_CAPABLE(ha)) {
- rval = qla24xx_get_isp_stats(base_vha, stats, stats_dma);
+ rval = qla24xx_get_isp_stats(base_vha, stats, stats_dma, 0);
} else if (atomic_read(&base_vha->loop_state) == LOOP_READY &&
!ha->dpc_active) {
/* Must be in a 'READY' state for statistics retrieval. */
@@ -1886,11 +1886,31 @@ static void
qla2x00_reset_host_stats(struct Scsi_Host *shost)
{
scsi_qla_host_t *vha = shost_priv(shost);
+ struct qla_hw_data *ha = vha->hw;
+ struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
+ struct link_statistics *stats;
+ dma_addr_t stats_dma;
memset(&vha->qla_stats, 0, sizeof(vha->qla_stats));
memset(&vha->fc_host_stat, 0, sizeof(vha->fc_host_stat));
vha->qla_stats.jiffies_at_last_reset = get_jiffies_64();
+
+ if (IS_FWI2_CAPABLE(ha)) {
+ stats = dma_alloc_coherent(&ha->pdev->dev,
+ sizeof(*stats), &stats_dma, GFP_KERNEL);
+ if (!stats) {
+ ql_log(ql_log_warn, vha, 0x70d7,
+ "Failed to allocate memory for stats.\n");
+ return;
+ }
+
+ /* reset firmware statistics */
+ qla24xx_get_isp_stats(base_vha, stats, stats_dma, BIT_0);
+
+ dma_free_coherent(&ha->pdev->dev, sizeof(*stats),
+ stats, stats_dma);
+ }
}
static void
diff --git a/drivers/scsi/qla2xxx/qla_bsg.c b/drivers/scsi/qla2xxx/qla_bsg.c
index 392c147d5793..8cadc4da7d59 100644
--- a/drivers/scsi/qla2xxx/qla_bsg.c
+++ b/drivers/scsi/qla2xxx/qla_bsg.c
@@ -2270,7 +2270,7 @@ qla2x00_get_priv_stats(struct fc_bsg_job *bsg_job)
memset(stats, 0, sizeof(struct link_statistics));
- rval = qla24xx_get_isp_stats(base_vha, stats, stats_dma);
+ rval = qla24xx_get_isp_stats(base_vha, stats, stats_dma, 0);
if (rval != QLA_SUCCESS)
goto done_free;
diff --git a/drivers/scsi/qla2xxx/qla_dbg.c b/drivers/scsi/qla2xxx/qla_dbg.c
index 589cd13b5a0d..c6ccc8a86fa7 100644
--- a/drivers/scsi/qla2xxx/qla_dbg.c
+++ b/drivers/scsi/qla2xxx/qla_dbg.c
@@ -41,7 +41,7 @@
* | | | 0x70ad-0x70ae |
* | | | 0x70d0-0x70d6 |
* | | | 0x70d7-0x70db |
- * | | | 0x70de-0x70df |
+ * | | | 0x70db |
* | Task Management | 0x803d | 0x8000,0x800b |
* | | | 0x8019 |
* | | | 0x8025,0x8026 |
diff --git a/drivers/scsi/qla2xxx/qla_gbl.h b/drivers/scsi/qla2xxx/qla_gbl.h
index fe943772fe7b..be24e6260976 100644
--- a/drivers/scsi/qla2xxx/qla_gbl.h
+++ b/drivers/scsi/qla2xxx/qla_gbl.h
@@ -344,7 +344,7 @@ qla2x00_get_link_status(scsi_qla_host_t *, uint16_t, struct link_statistics *,
extern int
qla24xx_get_isp_stats(scsi_qla_host_t *, struct link_statistics *,
- dma_addr_t);
+ dma_addr_t, uint);
extern int qla24xx_abort_command(srb_t *);
extern int qla24xx_async_abort_command(srb_t *);
diff --git a/drivers/scsi/qla2xxx/qla_mbx.c b/drivers/scsi/qla2xxx/qla_mbx.c
index 9673a0b645ee..583ad62f8d51 100644
--- a/drivers/scsi/qla2xxx/qla_mbx.c
+++ b/drivers/scsi/qla2xxx/qla_mbx.c
@@ -2762,15 +2762,16 @@ qla2x00_get_link_status(scsi_qla_host_t *vha, uint16_t loop_id,
int rval;
mbx_cmd_t mc;
mbx_cmd_t *mcp = &mc;
- uint32_t *iter, dwords;
+ uint32_t *iter = (void *)stats;
+ ushort dwords = offsetof(typeof(*stats), link_up_cnt)/sizeof(*iter);
struct qla_hw_data *ha = vha->hw;
ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x1084,
"Entered %s.\n", __func__);
mcp->mb[0] = MBC_GET_LINK_STATUS;
- mcp->mb[2] = MSW(stats_dma);
- mcp->mb[3] = LSW(stats_dma);
+ mcp->mb[2] = MSW(LSD(stats_dma));
+ mcp->mb[3] = LSW(LSD(stats_dma));
mcp->mb[6] = MSW(MSD(stats_dma));
mcp->mb[7] = LSW(MSD(stats_dma));
mcp->out_mb = MBX_7|MBX_6|MBX_3|MBX_2|MBX_0;
@@ -2799,12 +2800,9 @@ qla2x00_get_link_status(scsi_qla_host_t *vha, uint16_t loop_id,
"Failed=%x mb[0]=%x.\n", rval, mcp->mb[0]);
rval = QLA_FUNCTION_FAILED;
} else {
- /* Copy over data -- firmware data is LE. */
+ /* Re-endianize - firmware data is le32. */
ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x1086,
"Done %s.\n", __func__);
- dwords = offsetof(struct link_statistics,
- link_up_cnt) / 4;
- iter = &stats->link_fail_cnt;
for ( ; dwords--; iter++)
le32_to_cpus(iter);
}
@@ -2818,7 +2816,7 @@ qla2x00_get_link_status(scsi_qla_host_t *vha, uint16_t loop_id,
int
qla24xx_get_isp_stats(scsi_qla_host_t *vha, struct link_statistics *stats,
- dma_addr_t stats_dma)
+ dma_addr_t stats_dma, uint options)
{
int rval;
mbx_cmd_t mc;
@@ -2835,7 +2833,7 @@ qla24xx_get_isp_stats(scsi_qla_host_t *vha, struct link_statistics *stats,
mcp->mb[7] = LSW(MSD(stats_dma));
mcp->mb[8] = sizeof(struct link_statistics) / 4;
mcp->mb[9] = vha->vp_idx;
- mcp->mb[10] = 0;
+ mcp->mb[10] = options;
mcp->out_mb = MBX_10|MBX_9|MBX_8|MBX_7|MBX_6|MBX_3|MBX_2|MBX_0;
mcp->in_mb = MBX_2|MBX_1|MBX_0;
mcp->tov = MBX_TOV_SECONDS;
@@ -2850,7 +2848,7 @@ qla24xx_get_isp_stats(scsi_qla_host_t *vha, struct link_statistics *stats,
} else {
ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x108a,
"Done %s.\n", __func__);
- /* Copy over data -- firmware data is LE. */
+ /* Re-endianize - firmware data is le32. */
dwords = sizeof(struct link_statistics) / 4;
iter = &stats->link_fail_cnt;
for ( ; dwords--; iter++)