diff options
| -rw-r--r-- | core/opal-dump.c | 29 | ||||
| -rw-r--r-- | include/opal-api.h | 13 |
2 files changed, 41 insertions, 1 deletions
diff --git a/core/opal-dump.c b/core/opal-dump.c index 2db5775..775ec81 100644 --- a/core/opal-dump.c +++ b/core/opal-dump.c @@ -299,6 +299,34 @@ static int64_t opal_mpipl_update(enum opal_mpipl_ops ops, return rc; } +static int64_t opal_mpipl_register_tag(enum opal_mpipl_tags tag, + uint64_t tag_val) +{ + int rc = OPAL_SUCCESS; + + switch (tag) { + case OPAL_MPIPL_TAG_BOOT_MEM: + if (tag_val <= 0 || tag_val > top_of_ram) { + prlog(PR_DEBUG, "Payload sent invalid boot mem size" + " : 0x%llx\n", tag_val); + rc = OPAL_PARAMETER; + } else { + mpipl_metadata->boot_mem_size = tag_val; + prlog(PR_NOTICE, "Boot mem size : 0x%llx\n", tag_val); + } + break; + case OPAL_MPIPL_TAG_KERNEL: + mpipl_metadata->kernel_tag = tag_val; + prlog(PR_NOTICE, "Payload sent metadata tag : 0x%llx\n", tag_val); + break; + default: + prlog(PR_DEBUG, "Payload sent unsupported tag : 0x%x\n", tag); + rc = OPAL_PARAMETER; + break; + } + return rc; +} + void opal_mpipl_init(void) { void *mdst_base = (void *)MDST_TABLE_BASE; @@ -335,4 +363,5 @@ void opal_mpipl_init(void) /* OPAL API for MPIPL update */ opal_register(OPAL_MPIPL_UPDATE, opal_mpipl_update, 4); + opal_register(OPAL_MPIPL_REGISTER_TAG, opal_mpipl_register_tag, 2); } diff --git a/include/opal-api.h b/include/opal-api.h index e6b7c23..0134ee1 100644 --- a/include/opal-api.h +++ b/include/opal-api.h @@ -220,7 +220,8 @@ #define OPAL_NPU_MEM_ALLOC 171 #define OPAL_NPU_MEM_RELEASE 172 #define OPAL_MPIPL_UPDATE 173 -#define OPAL_LAST 173 +#define OPAL_MPIPL_REGISTER_TAG 174 +#define OPAL_LAST 174 #define QUIESCE_HOLD 1 /* Spin all calls at entry */ #define QUIESCE_REJECT 2 /* Fail all calls with OPAL_BUSY */ @@ -1211,6 +1212,16 @@ enum opal_mpipl_ops { OPAL_MPIPL_FREE_PRESERVED_MEMORY= 3, }; +/* Tag will point to various metadata area. Kernel will + * use tag to get metadata value. + */ +enum opal_mpipl_tags { + OPAL_MPIPL_TAG_CPU = 0, + OPAL_MPIPL_TAG_OPAL = 1, + OPAL_MPIPL_TAG_KERNEL = 2, + OPAL_MPIPL_TAG_BOOT_MEM = 3, +}; + #endif /* __ASSEMBLY__ */ #endif /* __OPAL_API_H */ |