[PATCH] do_notify_parent_cldstop() cleanup

[linux-2.6] / include / asm-ia64 / pal.h

diff --git a/include/asm-ia64/pal.h b/include/asm-ia64/pal.h
index 5dd477ffb88e26506fda361eab17807c62cb03c1..e828377ad295cec5d77dd3a06b1bbdf06f014737 100644 (file)
--- a/include/asm-ia64/pal.h
+++ b/include/asm-ia64/pal.h
@@ -67,6 +67,7 @@
 #define PAL_REGISTER_INFO      39      /* return AR and CR register information*/
 #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_COPY_PAL           256     /* relocate PAL procedures and PAL PMI */
 #define PAL_HALT_INFO          257     /* return the low power capabilities of processor */
@@ -74,6 +75,8 @@
 #define PAL_CACHE_READ         259     /* read tag & data of cacheline for diagnostic testing */
 #define PAL_CACHE_WRITE                260     /* write tag & data of cacheline for diagnostic testing */
 #define PAL_VM_TR_READ         261     /* read contents of translation register */
+#define PAL_GET_PSTATE         262     /* get the current P-state */
+#define PAL_SET_PSTATE         263     /* set the P-state */
 
 #ifndef __ASSEMBLY__
 
@@ -1110,6 +1113,25 @@ ia64_pal_halt_info (pal_power_mgmt_info_u_t *power_buf)
        return iprv.status;
 }
 
+/* Get the current P-state information */
+static inline s64
+ia64_pal_get_pstate (u64 *pstate_index)
+{
+       struct ia64_pal_retval iprv;
+       PAL_CALL_STK(iprv, PAL_GET_PSTATE, 0, 0, 0);
+       *pstate_index = iprv.v0;
+       return iprv.status;
+}
+
+/* Set the P-state */
+static inline s64
+ia64_pal_set_pstate (u64 pstate_index)
+{
+       struct ia64_pal_retval iprv;
+       PAL_CALL_STK(iprv, PAL_SET_PSTATE, pstate_index, 0, 0);
+       return iprv.status;
+}
+
 /* Cause the processor to enter LIGHT HALT state, where prefetching and execution are
  * suspended, but cache and TLB coherency is maintained.
  */
@@ -1559,6 +1581,73 @@ ia64_pal_prefetch_visibility (s64 trans_type)
        return iprv.status;
 }
 
+/* data structure for getting information on logical to physical mappings */
+typedef union pal_log_overview_u {
+       struct {
+               u64     num_log         :16,    /* Total number of logical
+                                                * processors on this die
+                                                */
+                       tpc             :8,     /* Threads per core */
+                       reserved3       :8,     /* Reserved */
+                       cpp             :8,     /* Cores per processor */
+                       reserved2       :8,     /* Reserved */
+                       ppid            :8,     /* Physical processor ID */
+                       reserved1       :8;     /* Reserved */
+       } overview_bits;
+       u64 overview_data;
+} pal_log_overview_t;
+
+typedef union pal_proc_n_log_info1_u{
+       struct {
+               u64     tid             :16,    /* Thread id */
+                       reserved2       :16,    /* Reserved */
+                       cid             :16,    /* Core id */
+                       reserved1       :16;    /* Reserved */
+       } ppli1_bits;
+       u64     ppli1_data;
+} pal_proc_n_log_info1_t;
+
+typedef union pal_proc_n_log_info2_u {
+       struct {
+               u64     la              :16,    /* Logical address */
+                       reserved        :48;    /* Reserved */
+       } ppli2_bits;
+       u64     ppli2_data;
+} pal_proc_n_log_info2_t;
+
+typedef struct pal_logical_to_physical_s
+{
+       pal_log_overview_t overview;
+       pal_proc_n_log_info1_t ppli1;
+       pal_proc_n_log_info2_t ppli2;
+} pal_logical_to_physical_t;
+
+#define overview_num_log       overview.overview_bits.num_log
+#define overview_tpc           overview.overview_bits.tpc
+#define overview_cpp           overview.overview_bits.cpp
+#define overview_ppid          overview.overview_bits.ppid
+#define log1_tid               ppli1.ppli1_bits.tid
+#define log1_cid               ppli1.ppli1_bits.cid
+#define log2_la                        ppli2.ppli2_bits.la
+
+/* Get information on logical to physical processor mappings. */
+static inline s64
+ia64_pal_logical_to_phys(u64 proc_number, pal_logical_to_physical_t *mapping)
+{
+       struct ia64_pal_retval iprv;
+
+       PAL_CALL(iprv, PAL_LOGICAL_TO_PHYSICAL, proc_number, 0, 0);
+
+       if (iprv.status == PAL_STATUS_SUCCESS)
+       {
+               if (proc_number == 0)
+                       mapping->overview.overview_data = iprv.v0;
+               mapping->ppli1.ppli1_data = iprv.v1;
+               mapping->ppli2.ppli2_data = iprv.v2;
+       }
+
+       return iprv.status;
+}
 #endif /* __ASSEMBLY__ */
 
 #endif /* _ASM_IA64_PAL_H */