提交 3178a07c 编写于 作者: D David S. Miller

sparc64: Add performance counter hypervisor calls for sun4v.

Signed-off-by: NDavid S. Miller <davem@davemloft.net>
上级 6a5726dd
master alk-4.19.24 alk-4.19.30 alk-4.19.34 alk-4.19.36 alk-4.19.43 alk-4.19.48 alk-4.19.57 ck-4.19.67 ck-4.19.81 ck-4.19.91 github/fork/deepanshu1422/fix-typo-in-comment github/fork/haosdent/fix-typo linux-next v4.19.91 v4.19.90 v4.19.89 v4.19.88 v4.19.87 v4.19.86 v4.19.85 v4.19.84 v4.19.83 v4.19.82 v4.19.81 v4.19.80 v4.19.79 v4.19.78 v4.19.77 v4.19.76 v4.19.75 v4.19.74 v4.19.73 v4.19.72 v4.19.71 v4.19.70 v4.19.69 v4.19.68 v4.19.67 v4.19.66 v4.19.65 v4.19.64 v4.19.63 v4.19.62 v4.19.61 v4.19.60 v4.19.59 v4.19.58 v4.19.57 v4.19.56 v4.19.55 v4.19.54 v4.19.53 v4.19.52 v4.19.51 v4.19.50 v4.19.49 v4.19.48 v4.19.47 v4.19.46 v4.19.45 v4.19.44 v4.19.43 v4.19.42 v4.19.41 v4.19.40 v4.19.39 v4.19.38 v4.19.37 v4.19.36 v4.19.35 v4.19.34 v4.19.33 v4.19.32 v4.19.31 v4.19.30 v4.19.29 v4.19.28 v4.19.27 v4.19.26 v4.19.25 v4.19.24 v4.19.23 v4.19.22 v4.19.21 v4.19.20 v4.19.19 v4.19.18 v4.19.17 v4.19.16 v4.19.15 v4.19.14 v4.19.13 v4.19.12 v4.19.11 v4.19.10 v4.19.9 v4.19.8 v4.19.7 v4.19.6 v4.19.5 v4.19.4 v4.19.3 v4.19.2 v4.19.1 v4.19 v4.19-rc8 v4.19-rc7 v4.19-rc6 v4.19-rc5 v4.19-rc4 v4.19-rc3 v4.19-rc2 v4.19-rc1 ck-release-21 ck-release-20 ck-release-19.2 ck-release-19.1 ck-release-19 ck-release-18 ck-release-17.2 ck-release-17.1 ck-release-17 ck-release-16 ck-release-15.1 ck-release-15 ck-release-14 ck-release-13.2 ck-release-13 ck-release-12 ck-release-11 ck-release-10 ck-release-9 ck-release-7 alk-release-15 alk-release-14 alk-release-13.2 alk-release-13 alk-release-12 alk-release-11 alk-release-10 alk-release-9 alk-release-7
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......@@ -2713,6 +2713,30 @@ extern unsigned long sun4v_ldc_revoke(unsigned long channel,
*/
#define HV_FAST_SET_PERFREG 0x101
#define HV_N2_PERF_SPARC_CTL 0x0
#define HV_N2_PERF_DRAM_CTL0 0x1
#define HV_N2_PERF_DRAM_CNT0 0x2
#define HV_N2_PERF_DRAM_CTL1 0x3
#define HV_N2_PERF_DRAM_CNT1 0x4
#define HV_N2_PERF_DRAM_CTL2 0x5
#define HV_N2_PERF_DRAM_CNT2 0x6
#define HV_N2_PERF_DRAM_CTL3 0x7
#define HV_N2_PERF_DRAM_CNT3 0x8
#define HV_FAST_N2_GET_PERFREG 0x104
#define HV_FAST_N2_SET_PERFREG 0x105
#ifndef __ASSEMBLY__
extern unsigned long sun4v_niagara_getperf(unsigned long reg,
unsigned long *val);
extern unsigned long sun4v_niagara_setperf(unsigned long reg,
unsigned long val);
extern unsigned long sun4v_niagara2_getperf(unsigned long reg,
unsigned long *val);
extern unsigned long sun4v_niagara2_setperf(unsigned long reg,
unsigned long val);
#endif
/* MMU statistics services.
*
* The hypervisor maintains MMU statistics and privileged code provides
......
......@@ -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)
......@@ -49,6 +49,7 @@
#include <asm/timer.h>
#include <asm/cpudata.h>
#include <asm/ftrace.h>
#include <asm/hypervisor.h>
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);
......
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