diff options
Diffstat (limited to 'arch/powerpc/platforms/pseries/plpar_wrappers.h')
| -rw-r--r-- | arch/powerpc/platforms/pseries/plpar_wrappers.h | 19 |
1 files changed, 16 insertions, 3 deletions
diff --git a/arch/powerpc/platforms/pseries/plpar_wrappers.h b/arch/powerpc/platforms/pseries/plpar_wrappers.h index 2457be2e217..382f8c5b0e7 100644 --- a/arch/powerpc/platforms/pseries/plpar_wrappers.h +++ b/arch/powerpc/platforms/pseries/plpar_wrappers.h @@ -21,13 +21,26 @@ static inline long cede_processor(void) return 0; } -static inline long register_vpa(unsigned long flags, unsigned long proc, +static inline long vpa_call(unsigned long flags, unsigned long cpu, unsigned long vpa) { - return plpar_hcall_norets(H_REGISTER_VPA, flags, proc, vpa); + /* flags are in bits 16-18 (counting from most significant bit) */ + flags = flags << (63 - 18); + + return plpar_hcall_norets(H_REGISTER_VPA, flags, cpu, vpa); +} + +static inline long unregister_vpa(unsigned long cpu, unsigned long vpa) +{ + return vpa_call(0x5, cpu, vpa); +} + +static inline long register_vpa(unsigned long cpu, unsigned long vpa) +{ + return vpa_call(0x1, cpu, vpa); } -void vpa_init(int cpu); +extern void vpa_init(int cpu); static inline long plpar_pte_remove(unsigned long flags, unsigned long ptex, unsigned long avpn, unsigned long *old_pteh_ret, |