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openucx/openucx-s390x-support.patch

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commit 328a69d07b618e0aa83fe2351e8d7ca4fc1b2f00
Author: Nicolas Morey <nmorey@suse.com>
Date: Mon Feb 13 17:04:14 2023 +0100
openucx s390x support
Signed-off-by: Nicolas Morey-Chaisemartin <nmoreychaisemartin@suse.com>
diff --git config/m4/ucm.m4 config/m4/ucm.m4
index e5e66266d695..ef7e4ede93ce 100644
--- config/m4/ucm.m4
+++ config/m4/ucm.m4
@@ -80,9 +80,20 @@ AC_CHECK_DECLS([SYS_ipc],
[ipc_hooks_happy=no],
[#include <sys/syscall.h>])
+
+SAVE_CFLAGS=$CFLAGS
+CFLAGS="$CLAGS -Isrc/"
+bistro_arch_happy=yes
+AC_CHECK_DECLS([ucm_bistro_patch],
+ [],
+ [bistro_arch_happy=no],
+ [#include <ucm/bistro/bistro.h>])
+CFLAGS=$SAVE_CFLAGS
+
AS_IF([test "x$mmap_hooks_happy" = "xyes"],
AS_IF([test "x$ipc_hooks_happy" = "xyes" -o "x$shm_hooks_happy" = "xyes"],
- [bistro_hooks_happy=yes]))
+ AS_IF([test "x$bistro_arch_happy" == "xyes"],
+ [bistro_hooks_happy=yes])))
AS_IF([test "x$bistro_hooks_happy" = "xyes"],
[AC_DEFINE([UCM_BISTRO_HOOKS], [1], [Enable BISTRO hooks])],
diff --git src/tools/info/sys_info.c src/tools/info/sys_info.c
index e5aff871d491..2b7c54319f53 100644
--- src/tools/info/sys_info.c
+++ src/tools/info/sys_info.c
@@ -47,7 +47,8 @@ static const char* cpu_vendor_names[] = {
[UCS_CPU_VENDOR_GENERIC_ARM] = "Generic ARM",
[UCS_CPU_VENDOR_GENERIC_PPC] = "Generic PPC",
[UCS_CPU_VENDOR_FUJITSU_ARM] = "Fujitsu ARM",
- [UCS_CPU_VENDOR_ZHAOXIN] = "Zhaoxin"
+ [UCS_CPU_VENDOR_ZHAOXIN] = "Zhaoxin",
+ [UCS_CPU_VENDOR_GENERIC_IBM] = "Generic IBM"
};
static double measure_memcpy_bandwidth(size_t size)
diff --git src/ucm/Makefile.am src/ucm/Makefile.am
index 48b82bf89cbe..582f83d1ea82 100644
--- src/ucm/Makefile.am
+++ src/ucm/Makefile.am
@@ -31,7 +31,8 @@ noinst_HEADERS = \
bistro/bistro.h \
bistro/bistro_x86_64.h \
bistro/bistro_aarch64.h \
- bistro/bistro_ppc64.h
+ bistro/bistro_ppc64.h \
+ bistro/bistro_s390x.h
libucm_la_SOURCES = \
event/event.c \
diff --git src/ucm/bistro/bistro.h src/ucm/bistro/bistro.h
index b622e3c14fbb..4acd9e9cdb83 100644
--- src/ucm/bistro/bistro.h
+++ src/ucm/bistro/bistro.h
@@ -20,6 +20,8 @@ typedef struct ucm_bistro_restore_point ucm_bistro_restore_point_t;
# include "bistro_aarch64.h"
#elif defined(__x86_64__)
# include "bistro_x86_64.h"
+#elif defined(__s390x__)
+# include "bistro_s390x.h"
#else
# error "Unsupported architecture"
#endif
diff --git src/ucm/bistro/bistro_s390x.h src/ucm/bistro/bistro_s390x.h
new file mode 100644
index 000000000000..c0f427f4984a
--- /dev/null
+++ src/ucm/bistro/bistro_s390x.h
@@ -0,0 +1,18 @@
+#ifndef UCM_BISTRO_BISTRO_S390X_H_
+#define UCM_BISTRO_BISTRO_S390X_H_
+
+#include <stdint.h>
+
+#include <ucs/type/status.h>
+#include <ucs/sys/compiler_def.h>
+
+#define UCM_BISTRO_PROLOGUE
+#define UCM_BISTRO_EPILOGUE
+
+static inline ucs_status_t ucm_bistro_patch(void *func_ptr, void *hook, const char *symbol,
+ void **orig_func_p,
+ ucm_bistro_restore_point_t **rp){
+ return UCS_ERR_UNSUPPORTED;
+}
+
+#endif
diff --git src/ucs/Makefile.am src/ucs/Makefile.am
index c7696d56f25d..c63b32bad844 100644
--- src/ucs/Makefile.am
+++ src/ucs/Makefile.am
@@ -22,6 +22,7 @@ libucs_la_LIBADD = $(LIBM) $(top_builddir)/src/ucm/libucm.la $(BFD_LIBS)
nobase_dist_libucs_la_HEADERS = \
arch/aarch64/bitops.h \
arch/ppc64/bitops.h \
+ arch/s390x/bitops.h \
arch/x86_64/bitops.h \
arch/bitops.h \
algorithm/crc.h \
@@ -82,12 +83,14 @@ nobase_dist_libucs_la_HEADERS = \
arch/aarch64/global_opts.h \
arch/generic/atomic.h \
arch/ppc64/global_opts.h \
+ arch/s390x/global_opts.h \
arch/global_opts.h
noinst_HEADERS = \
arch/aarch64/cpu.h \
arch/generic/cpu.h \
arch/ppc64/cpu.h \
+ arch/s390x/cpu.h \
arch/x86_64/cpu.h \
arch/cpu.h \
config/ucm_opts.h \
@@ -138,6 +141,7 @@ libucs_la_SOURCES = \
algorithm/string_distance.c \
arch/aarch64/cpu.c \
arch/aarch64/global_opts.c \
+ arch/s390x/global_opts.c \
arch/ppc64/timebase.c \
arch/ppc64/global_opts.c \
arch/x86_64/cpu.c \
diff --git src/ucs/arch/atomic.h src/ucs/arch/atomic.h
index 52be711c1d0a..8f1d62a28dc9 100644
--- src/ucs/arch/atomic.h
+++ src/ucs/arch/atomic.h
@@ -15,6 +15,8 @@
# include "generic/atomic.h"
#elif defined(__aarch64__)
# include "generic/atomic.h"
+#elif defined(__s390x__)
+# include "generic/atomic.h"
#else
# error "Unsupported architecture"
#endif
diff --git src/ucs/arch/bitops.h src/ucs/arch/bitops.h
index e89a37d0b673..dd2b9d5b6bcb 100644
--- src/ucs/arch/bitops.h
+++ src/ucs/arch/bitops.h
@@ -20,6 +20,8 @@ BEGIN_C_DECLS
# include "ppc64/bitops.h"
#elif defined(__aarch64__)
# include "aarch64/bitops.h"
+#elif defined(__s390x__)
+# include "s390x/bitops.h"
#else
# error "Unsupported architecture"
#endif
diff --git src/ucs/arch/cpu.c src/ucs/arch/cpu.c
index ece8f7fb82dd..b35b10ad090a 100644
--- src/ucs/arch/cpu.c
+++ src/ucs/arch/cpu.c
@@ -63,6 +63,10 @@ const ucs_cpu_builtin_memcpy_t ucs_cpu_builtin_memcpy[UCS_CPU_VENDOR_LAST] = {
.min = UCS_MEMUNITS_INF,
.max = UCS_MEMUNITS_INF
},
+ [UCS_CPU_VENDOR_GENERIC_IBM] = {
+ .min = UCS_MEMUNITS_INF,
+ .max = UCS_MEMUNITS_INF
+ },
[UCS_CPU_VENDOR_FUJITSU_ARM] = {
.min = UCS_MEMUNITS_INF,
.max = UCS_MEMUNITS_INF
@@ -78,6 +82,7 @@ const size_t ucs_cpu_est_bcopy_bw[UCS_CPU_VENDOR_LAST] = {
[UCS_CPU_VENDOR_INTEL] = UCS_CPU_EST_BCOPY_BW_DEFAULT,
[UCS_CPU_VENDOR_AMD] = UCS_CPU_EST_BCOPY_BW_AMD,
[UCS_CPU_VENDOR_GENERIC_ARM] = UCS_CPU_EST_BCOPY_BW_DEFAULT,
+ [UCS_CPU_VENDOR_GENERIC_IBM] = UCS_CPU_EST_BCOPY_BW_DEFAULT,
[UCS_CPU_VENDOR_GENERIC_PPC] = UCS_CPU_EST_BCOPY_BW_DEFAULT,
[UCS_CPU_VENDOR_FUJITSU_ARM] = UCS_CPU_EST_BCOPY_BW_FUJITSU_ARM,
[UCS_CPU_VENDOR_ZHAOXIN] = UCS_CPU_EST_BCOPY_BW_DEFAULT
diff --git src/ucs/arch/cpu.h src/ucs/arch/cpu.h
index eb557d385670..cfd297e24558 100644
--- src/ucs/arch/cpu.h
+++ src/ucs/arch/cpu.h
@@ -64,6 +64,7 @@ typedef enum ucs_cpu_vendor {
UCS_CPU_VENDOR_AMD,
UCS_CPU_VENDOR_GENERIC_ARM,
UCS_CPU_VENDOR_GENERIC_PPC,
+ UCS_CPU_VENDOR_GENERIC_IBM,
UCS_CPU_VENDOR_FUJITSU_ARM,
UCS_CPU_VENDOR_ZHAOXIN,
UCS_CPU_VENDOR_LAST
@@ -99,6 +100,8 @@ typedef struct ucs_cpu_builtin_memcpy {
# include "ppc64/cpu.h"
#elif defined(__aarch64__)
# include "aarch64/cpu.h"
+#elif defined(__s390x__)
+# include "s390x/cpu.h"
#else
# error "Unsupported architecture"
#endif
diff --git src/ucs/arch/global_opts.h src/ucs/arch/global_opts.h
index 75d086177a7f..96c670cb60d3 100644
--- src/ucs/arch/global_opts.h
+++ src/ucs/arch/global_opts.h
@@ -15,6 +15,8 @@
# include "ppc64/global_opts.h"
#elif defined(__aarch64__)
# include "aarch64/global_opts.h"
+#elif defined(__s390x__)
+# include "s390x/global_opts.h"
#else
# error "Unsupported architecture"
#endif
diff --git src/ucs/arch/s390x/bitops.h src/ucs/arch/s390x/bitops.h
new file mode 100644
index 000000000000..ce48ff1ff451
--- /dev/null
+++ src/ucs/arch/s390x/bitops.h
@@ -0,0 +1,37 @@
+/**
+* Copyright (C) Mellanox Technologies Ltd. 2001-2015. ALL RIGHTS RESERVED.
+*
+* See file LICENSE for terms.
+*/
+
+#ifndef UCS_S390X_BITOPS_H_
+#define UCS_S390X_BITOPS_H_
+
+#include <stdint.h>
+
+
+static inline unsigned __ucs_ilog2_u32(uint32_t n)
+{
+ if (!n)
+ return 0;
+ return 31 - __builtin_clz(n);
+}
+
+static inline unsigned __ucs_ilog2_u64(uint64_t n)
+{
+ if (!n)
+ return 0;
+ return 63 - __builtin_clz(n);
+}
+
+static UCS_F_ALWAYS_INLINE unsigned ucs_ffs32(uint32_t n)
+{
+ return __ucs_ilog2_u32(n & -n);
+}
+
+static inline unsigned ucs_ffs64(uint64_t n)
+{
+ return __ucs_ilog2_u64(n & -n);
+}
+
+#endif
diff --git src/ucs/arch/s390x/cpu.h src/ucs/arch/s390x/cpu.h
new file mode 100644
index 000000000000..4f0a87006118
--- /dev/null
+++ src/ucs/arch/s390x/cpu.h
@@ -0,0 +1,84 @@
+/**
+* Copyright (C) Mellanox Technologies Ltd. 2001-2013. ALL RIGHTS RESERVED.
+* Copyright (C) ARM Ltd. 2016-2017. ALL RIGHTS RESERVED.
+*
+* See file LICENSE for terms.
+*/
+
+
+#ifndef UCS_S390X_CPU_H_
+#define UCS_S390X_CPU_H_
+
+#include <ucs/sys/compiler.h>
+#include <ucs/arch/generic/cpu.h>
+#include <stdint.h>
+#include <string.h>
+#include <ucs/type/status.h>
+
+
+#define UCS_ARCH_CACHE_LINE_SIZE 256
+
+BEGIN_C_DECLS
+
+/* Assume the worst - weak memory ordering */
+#define ucs_memory_bus_fence() asm volatile (""::: "memory")
+#define ucs_memory_bus_store_fence() ucs_memory_bus_fence()
+#define ucs_memory_bus_load_fence() ucs_memory_bus_fence()
+#define ucs_memory_bus_wc_flush() ucs_memory_bus_fence()
+#define ucs_memory_cpu_fence() ucs_memory_bus_fence()
+#define ucs_memory_cpu_store_fence() ucs_memory_bus_fence()
+#define ucs_memory_cpu_load_fence() ucs_memory_bus_fence()
+#define ucs_memory_cpu_wc_fence() ucs_memory_bus_fence()
+
+
+static inline uint64_t ucs_arch_read_hres_clock()
+{
+ unsigned long clk;
+ asm volatile("stck %0" : "=Q" (clk) : : "cc");
+ return clk >> 2;
+}
+#define ucs_arch_get_clocks_per_sec ucs_arch_generic_get_clocks_per_sec
+
+
+static inline ucs_cpu_model_t ucs_arch_get_cpu_model()
+{
+ return UCS_CPU_MODEL_UNKNOWN;
+}
+
+static inline ucs_cpu_vendor_t ucs_arch_get_cpu_vendor()
+{
+ return UCS_CPU_VENDOR_GENERIC_IBM;
+}
+
+static inline int ucs_arch_get_cpu_flag()
+{
+ return UCS_CPU_FLAG_UNKNOWN;
+}
+
+double ucs_arch_get_clocks_per_sec();
+
+#define ucs_arch_wait_mem ucs_arch_generic_wait_mem
+
+static inline void ucs_cpu_init()
+{
+}
+
+static inline void *ucs_memcpy_relaxed(void *dst, const void *src, size_t len)
+{
+ return memcpy(dst, src, len);
+}
+
+static UCS_F_ALWAYS_INLINE void
+ucs_memcpy_nontemporal(void *dst, const void *src, size_t len)
+{
+ memcpy(dst, src, len);
+}
+
+static inline ucs_status_t ucs_arch_get_cache_size(size_t *cache_sizes)
+{
+ return UCS_ERR_UNSUPPORTED;
+}
+
+END_C_DECLS
+
+#endif
diff --git src/ucs/arch/s390x/global_opts.c src/ucs/arch/s390x/global_opts.c
new file mode 100644
index 000000000000..4fa0c74034a7
--- /dev/null
+++ src/ucs/arch/s390x/global_opts.c
@@ -0,0 +1,24 @@
+/**
+* Copyright (C) Mellanox Technologies Ltd. 2019. ALL RIGHTS RESERVED.
+*
+* See file LICENSE for terms.
+*/
+
+#if defined(__s390x__)
+
+#ifdef HAVE_CONFIG_H
+# include "config.h"
+#endif
+
+#include <ucs/arch/global_opts.h>
+#include <ucs/config/parser.h>
+
+ucs_config_field_t ucs_arch_global_opts_table[] = {
+ {NULL}
+};
+
+void ucs_arch_print_memcpy_limits(ucs_arch_global_opts_t *config)
+{
+}
+
+#endif
diff --git src/ucs/arch/s390x/global_opts.h src/ucs/arch/s390x/global_opts.h
new file mode 100644
index 000000000000..225e4e5e896a
--- /dev/null
+++ src/ucs/arch/s390x/global_opts.h
@@ -0,0 +1,25 @@
+/**
+* Copyright (C) Mellanox Technologies Ltd. 2019. ALL RIGHTS RESERVED.
+*
+* See file LICENSE for terms.
+*/
+
+
+#ifndef UCS_PPC64_GLOBAL_OPTS_H_
+#define UCS_PPC64_GLOBAL_OPTS_H_
+
+#include <ucs/sys/compiler_def.h>
+
+BEGIN_C_DECLS
+
+#define UCS_ARCH_GLOBAL_OPTS_INITALIZER {}
+
+/* built-in memcpy config */
+typedef struct ucs_arch_global_opts {
+ char dummy;
+} ucs_arch_global_opts_t;
+
+END_C_DECLS
+
+#endif
+
diff --git src/ucs/sys/sys.c src/ucs/sys/sys.c
index 58e67835c4d0..308f03606d5b 100644
--- src/ucs/sys/sys.c
+++ src/ucs/sys/sys.c
@@ -1258,8 +1258,19 @@ void *ucs_sys_realloc(void *old_ptr, size_t old_length, size_t new_length)
if (old_ptr == NULL) {
/* Note: Must pass the 0 offset as "long", otherwise it will be
* partially undefined when converted to syscall arguments */
+#if defined(__s390x__)
+ long int _args[6] = {
+ (long int) NULL,
+ (long int) new_length,
+ (long int) PROT_READ|PROT_WRITE,
+ (long int) MAP_PRIVATE|MAP_ANONYMOUS,
+ (long int) -1,
+ (long int) 0ul};
+ ptr = (void*)syscall(__NR_mmap, _args);
+#else
ptr = (void*)syscall(__NR_mmap, NULL, new_length, PROT_READ|PROT_WRITE,
MAP_PRIVATE|MAP_ANONYMOUS, -1, 0ul);
+#endif
if (ptr == MAP_FAILED) {
ucs_log_fatal_error("mmap(NULL, %zu, READ|WRITE, PRIVATE|ANON) failed: %m",
new_length);
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