diff options
| author | Vasant Hegde <hegdevasant@linux.vnet.ibm.com> | 2014-07-31 11:15:25 +1000 |
|---|---|---|
| committer | Benjamin Herrenschmidt <benh@kernel.crashing.org> | 2014-07-31 11:15:41 +1000 |
| commit | 08aff4155937106980c8c4b301bb9be8411b9742 (patch) | |
| tree | 6d879e637e204a72bd8c5581d19a4a4fbab9a7b3 /hw/fsp | |
| parent | af3728e69e43b7ecce20d82a92a95bcd6b8dd8d5 (diff) | |
| download | skiboot-08aff4155937106980c8c4b301bb9be8411b9742.zip skiboot-08aff4155937106980c8c4b301bb9be8411b9742.tar.gz skiboot-08aff4155937106980c8c4b301bb9be8411b9742.tar.bz2 | |
MDST: Add OPAL interface to register host memory region
Add OPAL interface to add host memory region to SYSDUMP.
[ Added exported IDs in opal.h --BenH ]
Signed-off-by: Vasant Hegde <hegdevasant@linux.vnet.ibm.com>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Diffstat (limited to 'hw/fsp')
| -rw-r--r-- | hw/fsp/fsp-mdst-table.c | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/hw/fsp/fsp-mdst-table.c b/hw/fsp/fsp-mdst-table.c index 88076d3..f0808f9 100644 --- a/hw/fsp/fsp-mdst-table.c +++ b/hw/fsp/fsp-mdst-table.c @@ -276,6 +276,40 @@ static int dump_region_add_entries(void) return rc; } +static int64_t fsp_opal_register_dump_region(uint32_t id, + uint64_t addr, uint64_t size) +{ + 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; + } + + if (size <= 0) { + prerror("MDST: Invalid size : 0x%llx\n", size); + return OPAL_PARAMETER; + } + + rc = __dump_region_add_entry(id, addr, size); + if (rc) + return rc; + + /* Send updated MDST to FSP */ + rc = fsp_update_mdst_table(); + + return rc; +} + /* TCE mapping */ static inline void mdst_table_tce_map(void) { @@ -337,6 +371,10 @@ void fsp_mdst_table_init(void) if (!fsp_present()) return; + /* OPAL interface */ + opal_register(OPAL_REGISTER_DUMP_REGION, + fsp_opal_register_dump_region, 3); + if (!fsp_mdst_supported()) return; |