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authorDeepak Ukey <deepak.ukey@microchip.com>2019-06-24 13:52:28 +0530
committerMartin K. Petersen <martin.petersen@oracle.com>2019-06-27 00:03:21 -0400
commit5f0bd875c6dbc6245b4012b13bf6b81cc629cb4c (patch)
tree0cecfb4c1e2295cd394dc634a26cd874e5c5f863 /drivers/scsi
parent2040a857e436e5e942d3d2d893891d088dba87f1 (diff)
scsi: pm80xx: Modified the logic to collect IOP event logs
Added the logic for collecting IOP log respective to event log size. Signed-off-by: Deepak Ukey <deepak.ukey@microchip.com> Signed-off-by: Viswas G <Viswas.G@microchip.com> Reviewed-by: Jack Wang <jinpu.wang@cloud.ionos.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Diffstat (limited to 'drivers/scsi')
-rw-r--r--drivers/scsi/pm8001/pm8001_ctl.c33
1 files changed, 17 insertions, 16 deletions
diff --git a/drivers/scsi/pm8001/pm8001_ctl.c b/drivers/scsi/pm8001/pm8001_ctl.c
index c7e0a42c3d0d..6b85016b4db3 100644
--- a/drivers/scsi/pm8001/pm8001_ctl.c
+++ b/drivers/scsi/pm8001/pm8001_ctl.c
@@ -492,25 +492,26 @@ static ssize_t pm8001_ctl_iop_log_show(struct device *cdev,
struct Scsi_Host *shost = class_to_shost(cdev);
struct sas_ha_struct *sha = SHOST_TO_SAS_HA(shost);
struct pm8001_hba_info *pm8001_ha = sha->lldd_ha;
-#define IOP_MEMMAP(r, c) \
- (*(u32 *)((u8*)pm8001_ha->memoryMap.region[IOP].virt_ptr + (r) * 32 \
- + (c)))
- int i;
char *str = buf;
- int max = 2;
- for (i = 0; i < max; i++) {
- str += sprintf(str, "0x%08x 0x%08x 0x%08x 0x%08x 0x%08x 0x%08x"
- "0x%08x 0x%08x\n",
- IOP_MEMMAP(i, 0),
- IOP_MEMMAP(i, 4),
- IOP_MEMMAP(i, 8),
- IOP_MEMMAP(i, 12),
- IOP_MEMMAP(i, 16),
- IOP_MEMMAP(i, 20),
- IOP_MEMMAP(i, 24),
- IOP_MEMMAP(i, 28));
+ u32 read_size =
+ pm8001_ha->main_cfg_tbl.pm80xx_tbl.event_log_size / 1024;
+ static u32 start, end, count;
+ u32 max_read_times = 32;
+ u32 max_count = (read_size * 1024) / (max_read_times * 4);
+ u32 *temp = (u32 *)pm8001_ha->memoryMap.region[IOP].virt_ptr;
+
+ if ((count % max_count) == 0) {
+ start = 0;
+ end = max_read_times;
+ count = 0;
+ } else {
+ start = end;
+ end = end + max_read_times;
}
+ for (; start < end; start++)
+ str += sprintf(str, "%08x ", *(temp+start));
+ count++;
return str - buf;
}
static DEVICE_ATTR(iop_log, S_IRUGO, pm8001_ctl_iop_log_show, NULL);