powerpc/pseries: Add new H_GET_CPU_CHARACTERISTICS flags

[mirror_ubuntu-artful-kernel.git] / arch / powerpc / include / asm / hvcall.h

diff --git a/arch/powerpc/include/asm/hvcall.h b/arch/powerpc/include/asm/hvcall.h
index 57d38b504ff773facfeaee601cd5bab8e2d9796c..efca4e847adde527ccb9b88f03a8b0c9ce541bc1 100644 (file)
--- a/arch/powerpc/include/asm/hvcall.h
+++ b/arch/powerpc/include/asm/hvcall.h
@@ -240,6 +240,7 @@
 #define H_GET_HCA_INFO          0x1B8
 #define H_GET_PERF_COUNT        0x1BC
 #define H_MANAGE_TRACE          0x1C0
+#define H_GET_CPU_CHARACTERISTICS 0x1C8
 #define H_FREE_LOGICAL_LAN_BUFFER 0x1D4
 #define H_QUERY_INT_STATE       0x1E4
 #define H_POLL_PENDING         0x1D8
@@ -318,6 +319,20 @@
 #define H_SIGNAL_SYS_RESET_ALL_OTHERS          -2
 /* >= 0 values are CPU number */
 
+/* H_GET_CPU_CHARACTERISTICS return values */
+#define H_CPU_CHAR_SPEC_BAR_ORI31      (1ull << 63) // IBM bit 0
+#define H_CPU_CHAR_BCCTRL_SERIALISED   (1ull << 62) // IBM bit 1
+#define H_CPU_CHAR_L1D_FLUSH_ORI30     (1ull << 61) // IBM bit 2
+#define H_CPU_CHAR_L1D_FLUSH_TRIG2     (1ull << 60) // IBM bit 3
+#define H_CPU_CHAR_L1D_THREAD_PRIV     (1ull << 59) // IBM bit 4
+#define H_CPU_CHAR_BRANCH_HINTS_HONORED        (1ull << 58) // IBM bit 5
+#define H_CPU_CHAR_THREAD_RECONFIG_CTRL        (1ull << 57) // IBM bit 6
+#define H_CPU_CHAR_COUNT_CACHE_DISABLED        (1ull << 56) // IBM bit 7
+
+#define H_CPU_BEHAV_FAVOUR_SECURITY    (1ull << 63) // IBM bit 0
+#define H_CPU_BEHAV_L1D_FLUSH_PR       (1ull << 62) // IBM bit 1
+#define H_CPU_BEHAV_BNDS_CHK_SPEC_BAR  (1ull << 61) // IBM bit 2
+
 /* Flag values used in H_REGISTER_PROC_TBL hcall */
 #define PROC_TABLE_OP_MASK     0x18
 #define PROC_TABLE_DEREG       0x10
@@ -424,6 +439,11 @@ static inline unsigned int get_longbusy_msecs(int longbusy_rc)
        }
 }
 
+struct h_cpu_char_result {
+       u64 character;
+       u64 behaviour;
+};
+
 #endif /* __ASSEMBLY__ */
 #endif /* __KERNEL__ */
 #endif /* _ASM_POWERPC_HVCALL_H */