aboutsummaryrefslogtreecommitdiffstats
path: root/roms/skiboot/libpore/p9_stop_util.H
diff options
context:
space:
mode:
authorAngelos Mouzakitis <a.mouzakitis@virtualopensystems.com>2023-10-10 14:33:42 +0000
committerAngelos Mouzakitis <a.mouzakitis@virtualopensystems.com>2023-10-10 14:33:42 +0000
commitaf1a266670d040d2f4083ff309d732d648afba2a (patch)
tree2fc46203448ddcc6f81546d379abfaeb323575e9 /roms/skiboot/libpore/p9_stop_util.H
parente02cda008591317b1625707ff8e115a4841aa889 (diff)
Add submodule dependency filesHEADmaster
Change-Id: Iaf8d18082d3991dec7c0ebbea540f092188eb4ec
Diffstat (limited to 'roms/skiboot/libpore/p9_stop_util.H')
-rw-r--r--roms/skiboot/libpore/p9_stop_util.H145
1 files changed, 145 insertions, 0 deletions
diff --git a/roms/skiboot/libpore/p9_stop_util.H b/roms/skiboot/libpore/p9_stop_util.H
new file mode 100644
index 000000000..3266fdefe
--- /dev/null
+++ b/roms/skiboot/libpore/p9_stop_util.H
@@ -0,0 +1,145 @@
+/* IBM_PROLOG_BEGIN_TAG */
+/* This is an automatically generated prolog. */
+/* */
+/* $Source: src/import/chips/p9/procedures/hwp/lib/p9_stop_util.H $ */
+/* */
+/* OpenPOWER HostBoot Project */
+/* */
+/* Contributors Listed Below - COPYRIGHT 2016,2017 */
+/* [+] International Business Machines Corp. */
+/* */
+/* */
+/* Licensed under the Apache License, Version 2.0 (the "License"); */
+/* you may not use this file except in compliance with the License. */
+/* You may obtain a copy of the License at */
+/* */
+/* http://www.apache.org/licenses/LICENSE-2.0 */
+/* */
+/* Unless required by applicable law or agreed to in writing, software */
+/* distributed under the License is distributed on an "AS IS" BASIS, */
+/* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or */
+/* implied. See the License for the specific language governing */
+/* permissions and limitations under the License. */
+/* */
+/* IBM_PROLOG_END_TAG */
+#ifndef __P9_STOP_UTIL_
+#define __P9_STOP_UTIL_
+
+#ifdef _AIX
+ #define __BYTE_ORDER __BIG_ENDIAN
+#elif __SKIBOOT__
+ #include <skiboot.h>
+#else
+ #include <endian.h>
+#endif
+
+#ifndef __PPE_PLAT
+ #include "p9_stop_api.H"
+#endif
+
+#ifdef FAPI_2
+ #include <fapi2.H>
+#endif
+
+///
+/// @file p9_stop_util.H
+/// @brief describes some utilty functions for STOP API.
+///
+// *HWP HW Owner : Greg Still <stillgs@us.ibm.com>
+// *HWP FW Owner : Prem Shanker Jha <premjha2@in.ibm.com>
+// *HWP Team : PM
+// *HWP Level : 2
+// *HWP Consumed by : HB:HYP
+#ifndef __PPE_PLAT
+#ifdef __cplusplus
+namespace stopImageSection
+{
+#endif
+#endif //__PPE_PLAT
+/**
+ * @brief helper function to swizzle given input data
+ * @note swizles bytes to handle endianess issue.
+ */
+#if( __BYTE_ORDER == __BIG_ENDIAN )
+
+// NOP if it is a big endian system
+#define SWIZZLE_2_BYTE(WORD) WORD
+#define SWIZZLE_4_BYTE(WORD) WORD
+#define SWIZZLE_8_BYTE(WORD) WORD
+
+#else
+#define SWIZZLE_2_BYTE(WORD) \
+ ( (((WORD) >> 8) & 0x00FF) | (((WORD) << 8) & 0xFF00) )
+
+#define SWIZZLE_4_BYTE(WORD) \
+ ( (((WORD) >> 24) & 0x000000FF) | (((WORD) >> 8) & 0x0000FF00) | \
+ (((WORD) << 8) & 0x00FF0000) | (((WORD) << 24) & 0xFF000000) )
+
+#define SWIZZLE_8_BYTE(WORD) \
+ ( (((WORD) >> 56) & 0x00000000000000FF) | \
+ (((WORD) >> 40) & 0x000000000000FF00)| \
+ (((WORD) >> 24) & 0x0000000000FF0000) | \
+ (((WORD) >> 8) & 0x00000000FF000000) | \
+ (((WORD) << 8) & 0x000000FF00000000) | \
+ (((WORD) << 24) & 0x0000FF0000000000) | \
+ (((WORD) << 40) & 0x00FF000000000000) | \
+ (((WORD) << 56) & 0xFF00000000000000) )
+#endif
+
+/**
+ * @brief describes details of CPMR header in HOMER.
+ */
+typedef struct
+{
+ uint64_t attnOpcodes;
+ uint64_t cpmrMagicWord;
+ uint32_t buildDate;
+ uint32_t version;
+ uint8_t reserve1[7];
+ uint8_t fusedModeStatus;
+ uint32_t cmeImgOffset;
+ uint32_t cmeImgLength;
+ uint32_t cmeCommonRingOffset;
+ uint32_t cmeCommonRingLength;
+ uint32_t cmePstateOffset;
+ uint32_t cmePstateLength;
+ uint32_t coreSpecRingOffset;
+ uint32_t coreSpecRingLen;
+ uint32_t coreScomOffset;
+ uint32_t coreScomLength;
+ uint32_t reserve2[184];
+} HomerImgDesc_t;
+
+/**
+ * @brief enumerates bit(s) positions of interest for PIR.
+ */
+enum
+{
+ FUSED_CORE_BIT0 = 0x08,
+ FUSED_CORE_BIT1 = 0x04,
+ FUSED_CORE_BIT2 = 0x02,
+ FUSED_CORE_BIT3 = 0x01,
+ QUAD_BITS = 0x70
+};
+
+#ifndef __PPE_PLAT
+/**
+ * @brief returns core id and thread id by parsing a given PIR.
+ * @param i_pStopImage points to STOP image associated with a proc chip.
+ * @param i_pir PIR associated with a core's thread.
+ * @param o_coreId points to core id value obtained from PIR.
+ * @param o_threadId points to thread id value obtained from PIR.
+ * @return SUCCESS if function suceeds, error code otherwise.
+ */
+StopReturnCode_t getCoreAndThread( void* const i_pStopImage,
+ const uint64_t i_pir,
+ uint32_t* o_coreId,
+ uint32_t* o_threadId );
+#ifdef __cplusplus
+} // namespace stopImageSection ends
+
+#endif
+#endif //__PPE_PLAT
+#endif
+
+