Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit bffe6bda authored by Michael Neuling's avatar Michael Neuling Committed by Michael Ellerman
Browse files

powerpc/powernv: Add OPAL check token call 



Currently there is no way to generically check if an OPAL call exists or not
from the host kernel.

This adds an OPAL call opal_check_token() which tells you if the given token is
present in OPAL or not.

Signed-off-by: default avatarMichael Neuling <mikey@neuling.org>
Signed-off-by: default avatarMichael Ellerman <mpe@ellerman.id.au>
parent 3484a31f

arch/powerpc/include/asm/opal.h

+2 −0
Original line number Diff line number Diff line
@@ -135,6 +135,7 @@ struct opal_sg_list { 
#define OPAL_FLASH_MANAGE			77

#define OPAL_FLASH_UPDATE			78

#define OPAL_RESYNC_TIMEBASE			79

#define OPAL_CHECK_TOKEN			80

#define OPAL_DUMP_INIT				81

#define OPAL_DUMP_INFO				82

#define OPAL_DUMP_READ				83
@@ -887,6 +888,7 @@ int64_t opal_pci_next_error(uint64_t phb_id, __be64 *first_frozen_pe, 
			    __be16 *pci_error_type, __be16 *severity);

int64_t opal_pci_poll(uint64_t phb_id);

int64_t opal_return_cpu(void);

int64_t opal_check_token(uint64_t token);

int64_t opal_reinit_cpus(uint64_t flags);



int64_t opal_xscom_read(uint32_t gcid, uint64_t pcb_addr, __be64 *val);

arch/powerpc/platforms/powernv/opal-wrappers.S

+1 −0
Original line number Diff line number Diff line
@@ -232,6 +232,7 @@ OPAL_CALL(opal_validate_flash, OPAL_FLASH_VALIDATE); 
OPAL_CALL(opal_manage_flash,			OPAL_FLASH_MANAGE);

OPAL_CALL(opal_update_flash,			OPAL_FLASH_UPDATE);

OPAL_CALL(opal_resync_timebase,			OPAL_RESYNC_TIMEBASE);

OPAL_CALL(opal_check_token,			OPAL_CHECK_TOKEN);

OPAL_CALL(opal_dump_init,			OPAL_DUMP_INIT);

OPAL_CALL(opal_dump_info,			OPAL_DUMP_INFO);

OPAL_CALL(opal_dump_info2,			OPAL_DUMP_INFO2);