[IA64] Export cpu cache info by sysfs

[karo-tx-linux.git] / include / asm-ia64 / pal.h

diff --git a/include/asm-ia64/pal.h b/include/asm-ia64/pal.h
index e828377ad295cec5d77dd3a06b1bbdf06f014737..5d229c5953e9a194f5a8efae41bb8434bceb3d15 100644 (file)
--- a/include/asm-ia64/pal.h
+++ b/include/asm-ia64/pal.h
@@ -68,6 +68,7 @@
 #define PAL_SHUTDOWN           40      /* enter processor shutdown state */
 #define PAL_PREFETCH_VISIBILITY        41      /* Make Processor Prefetches Visible */
 #define PAL_LOGICAL_TO_PHYSICAL 42     /* returns information on logical to physical processor mapping */
+#define PAL_CACHE_SHARED_INFO  43      /* returns information on caches shared by logical processor */
 
 #define PAL_COPY_PAL           256     /* relocate PAL procedures and PAL PMI */
 #define PAL_HALT_INFO          257     /* return the low power capabilities of processor */
@@ -927,7 +928,7 @@ static inline s64
 ia64_pal_cache_flush (u64 cache_type, u64 invalidate, u64 *progress, u64 *vector)
 {
        struct ia64_pal_retval iprv;
-       PAL_CALL_IC_OFF(iprv, PAL_CACHE_FLUSH, cache_type, invalidate, *progress);
+       PAL_CALL(iprv, PAL_CACHE_FLUSH, cache_type, invalidate, *progress);
        if (vector)
                *vector = iprv.v0;
        *progress = iprv.v1;
@@ -1640,14 +1641,40 @@ ia64_pal_logical_to_phys(u64 proc_number, pal_logical_to_physical_t *mapping)
 
        if (iprv.status == PAL_STATUS_SUCCESS)
        {
-               if (proc_number == 0)
-                       mapping->overview.overview_data = iprv.v0;
+               mapping->overview.overview_data = iprv.v0;
                mapping->ppli1.ppli1_data = iprv.v1;
                mapping->ppli2.ppli2_data = iprv.v2;
        }
 
        return iprv.status;
 }
+
+typedef struct pal_cache_shared_info_s
+{
+       u64 num_shared;
+       pal_proc_n_log_info1_t ppli1;
+       pal_proc_n_log_info2_t ppli2;
+} pal_cache_shared_info_t;
+
+/* Get information on logical to physical processor mappings. */
+static inline s64
+ia64_pal_cache_shared_info(u64 level,
+               u64 type,
+               u64 proc_number,
+               pal_cache_shared_info_t *info)
+{
+       struct ia64_pal_retval iprv;
+
+       PAL_CALL(iprv, PAL_CACHE_SHARED_INFO, level, type, proc_number);
+
+       if (iprv.status == PAL_STATUS_SUCCESS) {
+               info->num_shared = iprv.v0;
+               info->ppli1.ppli1_data = iprv.v1;
+               info->ppli2.ppli2_data = iprv.v2;
+       }
+
+       return iprv.status;
+}
 #endif /* __ASSEMBLY__ */
 
 #endif /* _ASM_IA64_PAL_H */