powerpc/pseries: Pass CPPR value to H_XIRR hcall

[safe/jmp/linux-2.6] / arch / powerpc / platforms / pseries / plpar_wrappers.h

diff --git a/arch/powerpc/platforms/pseries/plpar_wrappers.h b/arch/powerpc/platforms/pseries/plpar_wrappers.h
index a24a6b2..a05f8d4 100644 (file)
--- a/arch/powerpc/platforms/pseries/plpar_wrappers.h
+++ b/arch/powerpc/platforms/pseries/plpar_wrappers.h
@@ -9,11 +9,33 @@ static inline long poll_pending(void)
        return plpar_hcall_norets(H_POLL_PENDING);
 }
 
+static inline u8 get_cede_latency_hint(void)
+{
+       return get_lppaca()->gpr5_dword.fields.cede_latency_hint;
+}
+
+static inline void set_cede_latency_hint(u8 latency_hint)
+{
+       get_lppaca()->gpr5_dword.fields.cede_latency_hint = latency_hint;
+}
+
 static inline long cede_processor(void)
 {
        return plpar_hcall_norets(H_CEDE);
 }
 
+static inline long extended_cede_processor(unsigned long latency_hint)
+{
+       long rc;
+       u8 old_latency_hint = get_cede_latency_hint();
+
+       set_cede_latency_hint(latency_hint);
+       rc = cede_processor();
+       set_cede_latency_hint(old_latency_hint);
+
+       return rc;
+}
+
 static inline long vpa_call(unsigned long flags, unsigned long cpu,
                unsigned long vpa)
 {
@@ -237,12 +259,12 @@ static inline long plpar_ipi(unsigned long servernum, unsigned long mfrr)
        return plpar_hcall_norets(H_IPI, servernum, mfrr);
 }
 
-static inline long plpar_xirr(unsigned long *xirr_ret)
+static inline long plpar_xirr(unsigned long *xirr_ret, unsigned char cppr)
 {
        long rc;
        unsigned long retbuf[PLPAR_HCALL_BUFSIZE];
 
-       rc = plpar_hcall(H_XIRR, retbuf);
+       rc = plpar_hcall(H_XIRR, retbuf, cppr);
 
        *xirr_ret = retbuf[0];