diff options
| author | Alison Schofield <alison.schofield@intel.com> | 2023-04-18 20:39:06 +0300 |
|---|---|---|
| committer | Dan Williams <dan.j.williams@intel.com> | 2023-04-23 21:46:02 +0300 |
| commit | 7ff6ad1075885fdc71f6fea94b95109a582dec29 (patch) | |
| tree | 0e2b6a34618028e49bf617df565324e5846a7f9e /drivers/cxl/cxlmem.h | |
| parent | ddf49d57b841e55e1b0aee1224a9f526e50e1bcc (diff) | |
| download | linux-7ff6ad1075885fdc71f6fea94b95109a582dec29.tar.xz | |
cxl/memdev: Add trigger_poison_list sysfs attribute
When a boolean 'true' is written to this attribute the memdev driver
retrieves the poison list from the device. The list consists of
addresses that are poisoned, or would result in poison if accessed,
and the source of the poison. This attribute is only visible for
devices supporting the capability. The retrieved errors are logged
as kernel events when cxl_poison event tracing is enabled.
Signed-off-by: Alison Schofield <alison.schofield@intel.com>
Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Reviewed-by: Ira Weiny <ira.weiny@intel.com>
Link: https://lore.kernel.org/r/1081cfdc8a349dc754779642d584707e56db26ba.1681838291.git.alison.schofield@intel.com
Tested-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
Diffstat (limited to 'drivers/cxl/cxlmem.h')
| -rw-r--r-- | drivers/cxl/cxlmem.h | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/cxl/cxlmem.h b/drivers/cxl/cxlmem.h index f2f0cdda5825..bfb75bf0182e 100644 --- a/drivers/cxl/cxlmem.h +++ b/drivers/cxl/cxlmem.h @@ -145,7 +145,7 @@ struct cxl_mbox_cmd { C(FWROLLBACK, -ENXIO, "rolled back to the previous active FW"), \ C(FWRESET, -ENXIO, "FW failed to activate, needs cold reset"), \ C(HANDLE, -ENXIO, "one or more Event Record Handles were invalid"), \ - C(PADDR, -ENXIO, "physical address specified is invalid"), \ + C(PADDR, -EFAULT, "physical address specified is invalid"), \ C(POISONLMT, -ENXIO, "poison injection limit has been reached"), \ C(MEDIAFAILURE, -ENXIO, "permanent issue with the media"), \ C(ABORT, -ENXIO, "background cmd was aborted by device"), \ @@ -688,6 +688,7 @@ int cxl_set_timestamp(struct cxl_dev_state *cxlds); int cxl_poison_state_init(struct cxl_dev_state *cxlds); int cxl_mem_get_poison(struct cxl_memdev *cxlmd, u64 offset, u64 len, struct cxl_region *cxlr); +int cxl_trigger_poison_list(struct cxl_memdev *cxlmd); #ifdef CONFIG_CXL_SUSPEND void cxl_mem_active_inc(void); |