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| author | Vaidyanathan Srinivasan <svaidy@linux.vnet.ibm.com> | 2014-07-29 11:19:23 +0530 |
|---|---|---|
| committer | Benjamin Herrenschmidt <benh@kernel.crashing.org> | 2014-07-30 10:56:17 +1000 |
| commit | 9593215029b4b648b8cd07ae5ad2b71290896ab3 (patch) | |
| tree | f54cb1b6632723bbcc694c14070f30bd5ddea04c /include/opal.h | |
| parent | ae8584729b66181f4fbd18fc394889fa78a01acf (diff) | |
| download | blackbird-skiboot-9593215029b4b648b8cd07ae5ad2b71290896ab3.tar.gz blackbird-skiboot-9593215029b4b648b8cd07ae5ad2b71290896ab3.zip | |
slw: patch hsprg0 for wakeup from winkle
Entering winkle results in hypervisor state loss. We can use PORE to
restore hypervisor registers. This opal call adds support for that.
This patch adds support for restoring HSPRG0. It can be extended to
restore other SPRs.
Signed-off-by: Shreyas B. Prabhu <shreyas@linux.vnet.ibm.com>
Signed-off-by: Vaidyanathan Srinivasan <svaidy@linux.vnet.ibm.com>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Diffstat (limited to 'include/opal.h')
| -rw-r--r-- | include/opal.h | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/include/opal.h b/include/opal.h index fe7d14ee..8ef942dc 100644 --- a/include/opal.h +++ b/include/opal.h @@ -135,7 +135,8 @@ #define OPAL_PCI_EEH_FREEZE_SET 97 #define OPAL_HANDLE_HMI 98 #define OPAL_CONFIG_CPU_IDLE_STATE 99 -#define OPAL_LAST 99 +#define OPAL_SLW_SET_REG 100 +#define OPAL_LAST 100 #ifndef __ASSEMBLY__ |
