diff options
| author | Jonathan Cameron <Jonathan.Cameron@huawei.com> | 2023-05-30 14:36:02 +0100 |
|---|---|---|
| committer | Michael S. Tsirkin <mst@redhat.com> | 2023-06-22 18:55:14 -0400 |
| commit | b90a324eda7113b62b558aad43e2166eb52567d2 (patch) | |
| tree | d37e3f2835273796756ca65823bdd831a51943be /include | |
| parent | ea9b6d647f2f4708708d19ba1cb17d332d3eff06 (diff) | |
hw/cxl/events: Add injection of DRAM events
Defined in CXL r3.0 8.2.9.2.1.2 DRAM Event Record, this event
provides information related to DRAM devices.
Example injection command in QMP:
{ "execute": "cxl-inject-dram-event",
"arguments": {
"path": "/machine/peripheral/cxl-mem0",
"log": "informational",
"flags": 1,
"dpa": 1000,
"descriptor": 3,
"type": 3,
"transaction-type": 192,
"channel": 3,
"rank": 17,
"nibble-mask": 37421234,
"bank-group": 7,
"bank": 11,
"row": 2,
"column": 77,
"correction-mask": [33, 44, 55,66]
}}
Acked-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Fan Ni <fan.ni@samsung.com>
Reviewed-by: Ira Weiny <ira.weiny@intel.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Message-Id: <20230530133603.16934-7-Jonathan.Cameron@huawei.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Diffstat (limited to 'include')
| -rw-r--r-- | include/hw/cxl/cxl_events.h | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/include/hw/cxl/cxl_events.h b/include/hw/cxl/cxl_events.h index b189193f4c..a39e30d973 100644 --- a/include/hw/cxl/cxl_events.h +++ b/include/hw/cxl/cxl_events.h @@ -123,4 +123,27 @@ typedef struct CXLEventGenMedia { uint8_t reserved[CXL_EVENT_GEN_MED_RES_SIZE]; } QEMU_PACKED CXLEventGenMedia; +/* + * DRAM Event Record + * CXL Rev 3.0 Section 8.2.9.2.1.2: Table 8-44 + * All fields little endian. + */ +typedef struct CXLEventDram { + CXLEventRecordHdr hdr; + uint64_t phys_addr; + uint8_t descriptor; + uint8_t type; + uint8_t transaction_type; + uint16_t validity_flags; + uint8_t channel; + uint8_t rank; + uint8_t nibble_mask[3]; + uint8_t bank_group; + uint8_t bank; + uint8_t row[3]; + uint16_t column; + uint64_t correction_mask[4]; + uint8_t reserved[0x17]; +} QEMU_PACKED CXLEventDram; + #endif /* CXL_EVENTS_H */ |