diff options
| -rw-r--r-- | hw/fsp/fsp-mdst-table.c | 32 | ||||
| -rw-r--r-- | include/opal.h | 3 |
2 files changed, 34 insertions, 1 deletions
diff --git a/hw/fsp/fsp-mdst-table.c b/hw/fsp/fsp-mdst-table.c index f0808f9..5629cc1 100644 --- a/hw/fsp/fsp-mdst-table.c +++ b/hw/fsp/fsp-mdst-table.c @@ -310,6 +310,36 @@ static int64_t fsp_opal_register_dump_region(uint32_t id, return rc; } +static int64_t fsp_opal_unregister_dump_region(uint32_t id) +{ + int rc = OPAL_SUCCESS; + + if (!fsp_present()) + return rc; + + if (!fsp_mdst_supported()) { + printf("MDST: Not supported\n"); + return rc; + } + + /* Validate memory region id */ + if (id < DUMP_REGION_HOST_START || id > DUMP_REGION_HOST_END) { + prerror("MDST: Invalid dump region id : 0x%x\n", id); + return OPAL_PARAMETER; + } + + rc = dump_region_del_entry(id); + if (rc) { + prerror("MDST: dump region id : 0x%x not found\n", id); + return OPAL_PARAMETER; + } + + /* Send updated MDST to FSP */ + rc = fsp_update_mdst_table(); + + return rc; +} + /* TCE mapping */ static inline void mdst_table_tce_map(void) { @@ -374,6 +404,8 @@ void fsp_mdst_table_init(void) /* OPAL interface */ opal_register(OPAL_REGISTER_DUMP_REGION, fsp_opal_register_dump_region, 3); + opal_register(OPAL_UNREGISTER_DUMP_REGION, + fsp_opal_unregister_dump_region, 1); if (!fsp_mdst_supported()) return; diff --git a/include/opal.h b/include/opal.h index b5c6366..10213e5 100644 --- a/include/opal.h +++ b/include/opal.h @@ -137,7 +137,8 @@ #define OPAL_CONFIG_CPU_IDLE_STATE 99 #define OPAL_SLW_SET_REG 100 #define OPAL_REGISTER_DUMP_REGION 101 -#define OPAL_LAST 101 +#define OPAL_UNREGISTER_DUMP_REGION 102 +#define OPAL_LAST 102 #ifndef __ASSEMBLY__ |