* Pratik Rajesh Sampat <psam...@linux.ibm.com> [2020-04-23 16:24:38]:
> The commit makes the self save API available outside the firmware by defining > an OPAL wrapper. > This wrapper has a similar interface to that of self restore and expects the > cpu pir, SPR number, minus the value of that SPR to be passed in its > paramters and returns OPAL_SUCCESS on success. It adds a device-tree > node signifying support for self-save after verifying the stop API > version compatibility. > > The commit also documents both the self-save and the self-restore API > calls along with their working and usage. > > Signed-off-by: Pratik Rajesh Sampat <psam...@linux.ibm.com> Reviewed-by: Vaidyanathan Srinivasan <sva...@linux.ibm.com> > --- > doc/opal-api/opal-slw-self-save-reg-181.rst | 51 ++++++++++ > doc/opal-api/opal-slw-set-reg-100.rst | 5 + > doc/power-management.rst | 48 +++++++++ > hw/slw.c | 106 ++++++++++++++++++++ > include/opal-api.h | 3 +- > include/p9_stop_api.H | 18 ++++ > include/skiboot.h | 3 + > 7 files changed, 233 insertions(+), 1 deletion(-) > create mode 100644 doc/opal-api/opal-slw-self-save-reg-181.rst This patch enables OPAL interface to call stop-api and set self-save. Basically completes the infrastructure required to use the new self-save function provided by the microcode. --Vaidy
