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| author |   Deepak Ukey <deepak.ukey@microchip.com> | 2019-06-24 13:52:28 +0530 |
|---|---|---|
| committer |   Martin K. Petersen <martin.petersen@oracle.com> | 2019-06-27 00:03:21 -0400 |
| commit | 5f0bd875c6dbc6245b4012b13bf6b81cc629cb4c (patch) | |
| tree | 0cecfb4c1e2295cd394dc634a26cd874e5c5f863 /drivers | |
| parent | scsi: pm80xx: Event log size through sysfs (diff) | |
| download | linux-dev-5f0bd875c6dbc6245b4012b13bf6b81cc629cb4c.tar.xz linux-dev-5f0bd875c6dbc6245b4012b13bf6b81cc629cb4c.zip | |
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')
| -rw-r--r-- | drivers/scsi/pm8001/pm8001_ctl.c | 33 |
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); |