From 0b667811f2d1748d4fd904ba1d84da7ed7987f2e Mon Sep 17 00:00:00 2001 From: Vasant Hegde Date: Fri, 12 Jul 2019 16:47:41 +0530 Subject: hdata: Define various DUMP related structures - 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. - Processor dump area is used to capture architected register data. Signed-off-by: Vasant Hegde [oliver: rebased] Signed-off-by: Oliver O'Halloran --- hdata/spira.c | 1 + hdata/spira.h | 3 ++- include/opal-dump.h | 67 +++++++++++++++++++++++++++++++++++++++++++++++++++++ 3 files changed, 70 insertions(+), 1 deletion(-) diff --git a/hdata/spira.c b/hdata/spira.c index 396c222..b2c9615 100644 --- a/hdata/spira.c +++ b/hdata/spira.c @@ -1573,6 +1573,7 @@ static void fixup_spira(void) spira.ntuples.mdump_src = spirah.ntuples.mdump_src; spira.ntuples.mdump_dst = spirah.ntuples.mdump_dst; spira.ntuples.mdump_res = spirah.ntuples.mdump_res; + spira.ntuples.proc_dump_area = spirah.ntuples.proc_dump_area; spira.ntuples.pcia = spiras->ntuples.pcia; spira.ntuples.proc_chip = spiras->ntuples.proc_chip; spira.ntuples.hs_data = spiras->ntuples.hs_data; diff --git a/hdata/spira.h b/hdata/spira.h index 72f0ad9..963b0ab 100644 --- a/hdata/spira.h +++ b/hdata/spira.h @@ -63,6 +63,7 @@ struct spira_ntuples { struct spira_ntuple hs_data; /* 0x320 */ struct spira_ntuple ipmi_sensor; /* 0x360 */ struct spira_ntuple node_stb_data; /* 0x380 */ + struct spira_ntuple proc_dump_area; /* 0x400 */ }; struct spira { @@ -76,7 +77,7 @@ struct spira { * * According to FSP engineers, this is an okay thing to do. */ - u8 reserved[0x80]; + u8 reserved[0x60]; } __packed __align(0x100); extern struct spira spira; diff --git a/include/opal-dump.h b/include/opal-dump.h index e746a37..e7c0ad5 100644 --- a/include/opal-dump.h +++ b/include/opal-dump.h @@ -39,4 +39,71 @@ struct mdst_table { __be32 size; } __packed; +/* Memory dump destination table (MDDT) */ +struct mddt_table { + __be64 addr; + uint8_t data_region; + uint8_t dump_type; + __be16 reserved; + __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; + uint8_t dump_type; + __be16 reserved; + __be32 size; + __be64 padding; +} __packed; + +/* + * Processor Dump Area + * + * This contains the information needed for having processor + * state captured during a platform dump. + */ +struct proc_dump_area { + __be32 thread_size; /* Size of each thread register entry */ +#define PROC_DUMP_AREA_FORMAT_P9 0x1 /* P9 format */ + uint8_t version; /* P9 - 0x1 */ + uint8_t reserved[11]; + __be64 alloc_addr; /* Destination memory to place register data */ + __be32 reserved2; + __be32 alloc_size; /* Allocated size */ + __be64 dest_addr; /* Destination address */ + __be32 reserved3; + __be32 act_size; /* Actual data size */ +} __packed; + +struct proc_reg_data_hdr { + /* PIR value of the thread */ + __be32 pir; + /* 0x00 - 0x0F - The corresponding stop state of the core */ + uint8_t core_state; + uint8_t reserved[3]; + + uint32_t offset; /* Offset to Register Entries array */ + uint32_t ecnt; /* Number of entries */ + uint32_t esize; /* Alloc size of each array entry in bytes */ + uint32_t eactsz; /* Actual size of each array entry in bytes */ +} __packed; + +/* Architected register data content */ +#define ARCH_REG_TYPE_GPR 0x01 +#define ARCH_REG_TYPE_SPR 0x02 +struct proc_reg_data { + uint32_t reg_type; /* ARCH_REG_TYPE_* */ + uint32_t reg_num; + uint64_t reg_val; +} __packed; + #endif /* __OPAL_DUMP_H */ -- cgit v1.1