From 3178a07c33747305b7f7140bd55b0f77e7f239eb Mon Sep 17 00:00:00 2001 From: "David S. Miller" Date: Fri, 28 Nov 2008 02:26:55 -0800 Subject: sparc64: Add performance counter hypervisor calls for sun4v. Signed-off-by: David S. Miller --- arch/sparc64/kernel/hvcalls.S | 32 ++++++++++++++++++++++++++++++++ arch/sparc64/kernel/sparc64_ksyms.c | 6 ++++++ 2 files changed, 38 insertions(+) (limited to 'arch/sparc64') diff --git a/arch/sparc64/kernel/hvcalls.S b/arch/sparc64/kernel/hvcalls.S index e066269d1594..8a5f35ffb15e 100644 --- a/arch/sparc64/kernel/hvcalls.S +++ b/arch/sparc64/kernel/hvcalls.S @@ -766,3 +766,35 @@ ENTRY(sun4v_mmu_demap_all) retl nop ENDPROC(sun4v_mmu_demap_all) + +ENTRY(sun4v_niagara_getperf) + mov %o0, %o4 + mov HV_FAST_GET_PERFREG, %o5 + ta HV_FAST_TRAP + stx %o1, [%o4] + retl + nop +ENDPROC(sun4v_niagara_getperf) + +ENTRY(sun4v_niagara_setperf) + mov HV_FAST_SET_PERFREG, %o5 + ta HV_FAST_TRAP + retl + nop +ENDPROC(sun4v_niagara_setperf) + +ENTRY(sun4v_niagara2_getperf) + mov %o0, %o4 + mov HV_FAST_N2_GET_PERFREG, %o5 + ta HV_FAST_TRAP + stx %o1, [%o4] + retl + nop +ENDPROC(sun4v_niagara2_getperf) + +ENTRY(sun4v_niagara2_setperf) + mov HV_FAST_N2_SET_PERFREG, %o5 + ta HV_FAST_TRAP + retl + nop +ENDPROC(sun4v_niagara2_setperf) diff --git a/arch/sparc64/kernel/sparc64_ksyms.c b/arch/sparc64/kernel/sparc64_ksyms.c index 30bba8b0a3b0..c450825b3fe5 100644 --- a/arch/sparc64/kernel/sparc64_ksyms.c +++ b/arch/sparc64/kernel/sparc64_ksyms.c @@ -49,6 +49,7 @@ #include #include #include +#include struct poll { int fd; @@ -148,6 +149,11 @@ EXPORT_SYMBOL(flush_dcache_page); EXPORT_SYMBOL(__flush_dcache_range); #endif +EXPORT_SYMBOL(sun4v_niagara_getperf); +EXPORT_SYMBOL(sun4v_niagara_setperf); +EXPORT_SYMBOL(sun4v_niagara2_getperf); +EXPORT_SYMBOL(sun4v_niagara2_setperf); + #ifdef CONFIG_SUN_AUXIO EXPORT_SYMBOL(auxio_set_led); EXPORT_SYMBOL(auxio_set_lte); -- cgit v1.2.3