@@ -92,12 +92,14 @@ __section(".cpuctrl.data") struct cpu_ctl_init_data cpu_ctl_init_data = {
__section(".mdst.data") struct mdst_table init_mdst_table[2] = {
{
.addr = CPU_TO_BE64(INMEM_CON_START | HRMOR_BIT),
- .type = CPU_TO_BE32(DUMP_REGION_CONSOLE),
+ .data_region = DUMP_REGION_CONSOLE,
+ .dump_type = DUMP_TYPE_SYSDUMP,
.size = CPU_TO_BE32(INMEM_CON_LEN),
},
{
.addr = CPU_TO_BE64(HBRT_CON_START | HRMOR_BIT),
- .type = CPU_TO_BE32(DUMP_REGION_HBRT_LOG),
+ .data_region = DUMP_REGION_HBRT_LOG,
+ .dump_type = DUMP_TYPE_SYSDUMP,
.size = CPU_TO_BE32(HBRT_CON_LEN),
},
};
@@ -114,7 +114,8 @@ static int dump_region_tce_map(void)
fsp_tce_map(PSI_DMA_HYP_DUMP + t_size, (void *)addr, size);
/* Add entry to MDST table */
- mdst_table[i].type = dump_mem_region[i].type;
+ mdst_table[i].data_region = dump_mem_region[i].data_region;
+ mdst_table[i].dump_type = DUMP_TYPE_SYSDUMP;
mdst_table[i].size = dump_mem_region[i].size;
mdst_table[i].addr = cpu_to_be64(PSI_DMA_HYP_DUMP + t_size);
@@ -194,7 +195,7 @@ static int dump_region_del_entry(uint32_t id)
lock(&mdst_lock);
for (i = 0; i < cur_mdst_entry; i++) {
- if (be32_to_cpu(dump_mem_region[i].type) != id)
+ if (dump_mem_region[i].data_region != id)
continue;
found = true;
@@ -214,7 +215,7 @@ static int dump_region_del_entry(uint32_t id)
for ( ; i < cur_mdst_entry - 1; i++)
dump_mem_region[i] = dump_mem_region[i + 1];
- dump_mem_region[i].type = 0;
+ dump_mem_region[i].data_region = 0;
cur_mdst_entry--;
del_out:
@@ -251,7 +252,8 @@ static int __dump_region_add_entry(uint32_t id, uint64_t addr, uint32_t size)
}
/* Add entry to dump memory region table */
- dump_mem_region[cur_mdst_entry].type = cpu_to_be32(id);
+ dump_mem_region[cur_mdst_entry].data_region = (u8)cpu_to_be32(id);
+ dump_mem_region[cur_mdst_entry].dump_type = DUMP_TYPE_SYSDUMP;
dump_mem_region[cur_mdst_entry].addr = cpu_to_be64(addr);
dump_mem_region[cur_mdst_entry].size = cpu_to_be32(size);
@@ -21,10 +21,13 @@
/*
* Dump region ids
*
- * 0x01 - 0x7F : OPAL
+ * 0x00 - 0x00 : CPU data
+ * 0x01 - 0x3F : OPAL
+ * 0x40 - 0x79 : Reserved for future use
* 0x80 - 0xFF : Kernel
*
*/
+#define DUMP_REGION_CPU_DATA 0x00
#define DUMP_REGION_OPAL_START 0x01
#define DUMP_REGION_OPAL_END 0x7F
#define DUMP_REGION_HOST_START OPAL_DUMP_REGION_HOST_START
@@ -33,16 +36,23 @@
#define DUMP_REGION_CONSOLE 0x01
#define DUMP_REGION_HBRT_LOG 0x02
+/* Mainstore memory to be captured by FSP SYSDUMP */
+#define DUMP_TYPE_SYSDUMP 0xF5
+/* Mainstore memory to preserve during IPL */
+#define DUMP_TYPE_FADUMP 0x00
+
/*
- * Sapphire Memory Dump Source Table
+ * Memory Dump Source Table
*
* Format of this table is same as Memory Dump Source Table (MDST)
* defined in HDAT spec.
*/
struct mdst_table {
__be64 addr;
- __be32 type; /* DUMP_REGION_* */
+ uint8_t data_region; /* DUMP_REGION_* */
+ uint8_t dump_type; /* DUMP_TYPE_* */
+ __be16 reserved;
__be32 size;
-};
+} __packed;
#endif /* __OPAL_DUMP_H */
We have split the type field to accommodate below fields which are used by memory preserving IPL. - data region : dump data regions (like DUMP_REGION_* ) - dump type : Reflects MDST entry usage (used by SYSDUMP -OR- FADUMP) This patch makes structure changes and necessary code adjustment. Note that these fields are not used by FSP to collect dump. They only care about address and size from MDST structure. Hence its safe to make this change. Signed-off-by: Vasant Hegde <hegdevasant@linux.vnet.ibm.com> --- hdata/spira.c | 6 ++++-- hw/fsp/fsp-sysdump.c | 10 ++++++---- include/opal-dump.h | 18 ++++++++++++++---- 3 files changed, 24 insertions(+), 10 deletions(-)