[Skiboot] [PATCH v2 03/17] hdata: Define MDDT and MDRT table
Vasant Hegde
hegdevasant at linux.vnet.ibm.com
Fri May 4 20:28:03 AEST 2018
MDDT and MDRT are part of SPIRAH and used in MPIPL.
- MDDT is used by OPAL to pass destination memory details to hostboot.
- MDRT is used by hostboot to pass post dump result table to OPAL.
Signed-off-by: Vasant Hegde <hegdevasant at linux.vnet.ibm.com>
---
include/opal-dump.h | 25 +++++++++++++++++++++++++
1 file changed, 25 insertions(+)
diff --git a/include/opal-dump.h b/include/opal-dump.h
index 0dedeae86..faa4a1639 100644
--- a/include/opal-dump.h
+++ b/include/opal-dump.h
@@ -55,4 +55,29 @@ struct mdst_table {
__be32 size;
} __packed;
+/* Memory dump destination table (MDDT) */
+struct mddt_table {
+ __be64 addr;
+ uint8_t data_region; /* Same as mdst_table->data_region */
+ uint8_t reserved[3];
+ __be32 size;
+} __packed;
+
+/*
+ * Memory dump result table (MDRT)
+ *
+ * List of the memory ranges that have been included in the dump. This table is
+ * filled by hostboot and passed to OPAL on second boot. OPAL/payload will use
+ * this table to extract the dump.
+ */
+struct mdrt_table {
+ __be64 src_addr;
+ __be64 dest_addr;
+ uint8_t data_region; /* Same as mdst_table->data_region */
+ uint8_t dump_type; /* Same as mdst_table->dump_type */
+ __be16 reserved;
+ __be32 size;
+ __be64 padding;
+} __packed;
+
#endif /* __OPAL_DUMP_H */
--
2.14.3
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