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authorDavid Miller <davem@t1000.davemloft.net>2007-06-03 23:38:09 -0700
committerDavid S. Miller <davem@sunset.davemloft.net>2007-06-04 21:49:57 -0700
commitd887ab3a9b1899f88b8cfba531e726b5fb2ebd14 (patch)
tree2f60de04ddf40419c295da0d9f64024fdc53d372 /include/asm-sparc64
parent48b67356400dd7866c035024aeaa2f804de7cead (diff)
[SPARC64]: Provide mmu statistics via sysfs.
If the system supports hypervisor based statistics, allow them to be fetched, enabled, and disabled via sysfs. Enable and disable via the boolean: /sys/devices/systems/cpu/cpuN/mmustat_enable Statistic values are provided under: /sys/devices/systems/cpu/cpuN/mmu_status/ Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'include/asm-sparc64')
-rw-r--r--include/asm-sparc64/hypervisor.h5
1 files changed, 5 insertions, 0 deletions
diff --git a/include/asm-sparc64/hypervisor.h b/include/asm-sparc64/hypervisor.h
index 4a43075a061..5c2f9d4b9f0 100644
--- a/include/asm-sparc64/hypervisor.h
+++ b/include/asm-sparc64/hypervisor.h
@@ -2798,6 +2798,11 @@ struct hv_mmu_statistics {
*/
#define HV_FAST_MMUSTAT_INFO 0x103
+#ifndef __ASSEMBLY__
+extern unsigned long sun4v_mmustat_conf(unsigned long ra, unsigned long *orig_ra);
+extern unsigned long sun4v_mmustat_info(unsigned long *ra);
+#endif
+
/* NCS crypto services */
/* ncs_request() sub-function numbers */