diff options
| author | Hari Bathini <hbathini@linux.ibm.com> | 2019-09-11 16:53:28 +0200 |
|---|---|---|
| committer | Michael Ellerman <mpe@ellerman.id.au> | 2019-09-13 16:04:44 +0200 |
| commit | a4e2e2ca2f7bddf6d5d788033cc56f40af6e9c5a (patch) | |
| tree | 05a542bed26853c3f09f7be8d8c06aae10bed3a3 /arch/powerpc/platforms/powernv/opal-fadump.c | |
| parent | powerpc/fadump: Warn before processing partial crashdump (diff) | |
| download | linux-a4e2e2ca2f7bddf6d5d788033cc56f40af6e9c5a.tar.xz linux-a4e2e2ca2f7bddf6d5d788033cc56f40af6e9c5a.zip | |
powerpc/fadump: handle invalidation of crashdump and re-registraion
Make OPAL call to indicate that the dump is processed and the metadata
area in OPAL can be cleared/released. Also, setup/initialize FADump
for re-registration.
Signed-off-by: Hari Bathini <hbathini@linux.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/156821356046.5656.12270927048195494911.stgit@hbathini.in.ibm.com
Diffstat (limited to 'arch/powerpc/platforms/powernv/opal-fadump.c')
| -rw-r--r-- | arch/powerpc/platforms/powernv/opal-fadump.c | 12 |
1 files changed, 11 insertions, 1 deletions
diff --git a/arch/powerpc/platforms/powernv/opal-fadump.c b/arch/powerpc/platforms/powernv/opal-fadump.c index 533adae545d8..ef6fb1fc66cb 100644 --- a/arch/powerpc/platforms/powernv/opal-fadump.c +++ b/arch/powerpc/platforms/powernv/opal-fadump.c @@ -254,7 +254,17 @@ static int opal_fadump_unregister(struct fw_dump *fadump_conf) static int opal_fadump_invalidate(struct fw_dump *fadump_conf) { - return -EIO; + s64 rc; + + rc = opal_mpipl_update(OPAL_MPIPL_FREE_PRESERVED_MEMORY, 0, 0, 0); + if (rc) { + pr_err("Failed to invalidate - unexpected Error(%lld).\n", rc); + return -EIO; + } + + fadump_conf->dump_active = 0; + opal_fdm_active = NULL; + return 0; } static void opal_fadump_cleanup(struct fw_dump *fadump_conf) |