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ndtest: Add papr health related flags

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sysfs attibutes to show health related flags are added.

Signed-off-by: Santosh Sivaraj <santosh@fossix.org>
Link: https://lore.kernel.org/r/20201222042240.2983755-8-santosh@fossix.org
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
This commit is contained in:
Santosh Sivaraj 2020-12-22 09:52:40 +05:30 committed by Dan Williams
parent 14ccef10e5
commit 50f558a5fe
2 changed files with 72 additions and 0 deletions
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41
tools/testing/nvdimm/test/ndtest.c
View file

@ -86,6 +86,9 @@ static struct ndtest_dimm dimm_group2[] = {
.uuid_str = "ca0817e2-b618-11ea-9db3-507b9ddc0f72",
.physical_id = 0,
.num_formats = 1,
.flags = PAPR_PMEM_UNARMED | PAPR_PMEM_EMPTY |
PAPR_PMEM_SAVE_FAILED | PAPR_PMEM_SHUTDOWN_DIRTY |
PAPR_PMEM_HEALTH_FATAL,
},
};
@ -789,6 +792,40 @@ static umode_t ndtest_nvdimm_attr_visible(struct kobject *kobj,
return a->mode;
}
static ssize_t flags_show(struct device *dev,
struct device_attribute *attr, char *buf)
{
struct nvdimm *nvdimm = to_nvdimm(dev);
struct ndtest_dimm *dimm = nvdimm_provider_data(nvdimm);
struct seq_buf s;
u64 flags;
flags = dimm->flags;
seq_buf_init(&s, buf, PAGE_SIZE);
if (flags & PAPR_PMEM_UNARMED_MASK)
seq_buf_printf(&s, "not_armed ");
if (flags & PAPR_PMEM_BAD_SHUTDOWN_MASK)
seq_buf_printf(&s, "flush_fail ");
if (flags & PAPR_PMEM_BAD_RESTORE_MASK)
seq_buf_printf(&s, "restore_fail ");
if (flags & PAPR_PMEM_SAVE_MASK)
seq_buf_printf(&s, "save_fail ");
if (flags & PAPR_PMEM_SMART_EVENT_MASK)
seq_buf_printf(&s, "smart_notify ");
if (seq_buf_used(&s))
seq_buf_printf(&s, "\n");
return seq_buf_used(&s);
}
static DEVICE_ATTR_RO(flags);
static struct attribute *ndtest_nvdimm_attributes[] = {
&dev_attr_nvdimm_show_handle.attr,
&dev_attr_vendor.attr,
@ -799,6 +836,7 @@ static struct attribute *ndtest_nvdimm_attributes[] = {
&dev_attr_formats.attr,
&dev_attr_format.attr,
&dev_attr_format1.attr,
&dev_attr_flags.attr,
NULL,
};
@ -824,6 +862,9 @@ static int ndtest_dimm_register(struct ndtest_priv *priv,
set_bit(NDD_LABELING, &dimm_flags);
}
if (dimm->flags & PAPR_PMEM_UNARMED_MASK)
set_bit(NDD_UNARMED, &dimm_flags);
dimm->nvdimm = nvdimm_create(priv->bus, dimm,
ndtest_nvdimm_attribute_groups, dimm_flags,
NDTEST_SCM_DIMM_CMD_MASK, 0, NULL);

31
tools/testing/nvdimm/test/ndtest.h
View file

@ -5,6 +5,37 @@
#include <linux/platform_device.h>
#include <linux/libnvdimm.h>
/* SCM device is unable to persist memory contents */
#define PAPR_PMEM_UNARMED (1ULL << (63 - 0))
/* SCM device failed to persist memory contents */
#define PAPR_PMEM_SHUTDOWN_DIRTY (1ULL << (63 - 1))
/* SCM device contents are not persisted from previous IPL */
#define PAPR_PMEM_EMPTY (1ULL << (63 - 3))
#define PAPR_PMEM_HEALTH_CRITICAL (1ULL << (63 - 4))
/* SCM device will be garded off next IPL due to failure */
#define PAPR_PMEM_HEALTH_FATAL (1ULL << (63 - 5))
/* SCM contents cannot persist due to current platform health status */
#define PAPR_PMEM_HEALTH_UNHEALTHY (1ULL << (63 - 6))
/* Bits status indicators for health bitmap indicating unarmed dimm */
#define PAPR_PMEM_UNARMED_MASK (PAPR_PMEM_UNARMED | \
PAPR_PMEM_HEALTH_UNHEALTHY)
#define PAPR_PMEM_SAVE_FAILED (1ULL << (63 - 10))
/* Bits status indicators for health bitmap indicating unflushed dimm */
#define PAPR_PMEM_BAD_SHUTDOWN_MASK (PAPR_PMEM_SHUTDOWN_DIRTY)
/* Bits status indicators for health bitmap indicating unrestored dimm */
#define PAPR_PMEM_BAD_RESTORE_MASK (PAPR_PMEM_EMPTY)
/* Bit status indicators for smart event notification */
#define PAPR_PMEM_SMART_EVENT_MASK (PAPR_PMEM_HEALTH_CRITICAL | \
PAPR_PMEM_HEALTH_FATAL | \
PAPR_PMEM_HEALTH_UNHEALTHY)
#define PAPR_PMEM_SAVE_MASK (PAPR_PMEM_SAVE_FAILED)
struct ndtest_config;
struct ndtest_priv {