Merge pull request #695 from bgoglin/l0-byuuid

L0: switch to zesInit()

Finally end the mess of forcing ZES_ENABLE_SYSMAN=1 in the environment that caused so many troubles to us and above layers in the last years.

Author: bgoglin

config/hwloc.m4

@@ -1410,10 +1410,9 @@ return clGetDeviceIDs(0, 0, 0, NULL, NULL);
       echo
       echo "**** LevelZero configuration"
 
-      HWLOC_PKG_CHECK_MODULES([LEVELZERO], [libze_loader], [zesDevicePciGetProperties], [level_zero/zes_api.h],
+      HWLOC_PKG_CHECK_MODULES([LEVELZERO], [libze_loader], [zesDriverGetDeviceByUuidExp], [level_zero/zes_api.h],
                               [hwloc_levelzero_happy=yes
                                HWLOC_LEVELZERO_REQUIRES=libze_loader
-			       AC_CHECK_LIB([ze_loader], [zesInit], [AC_DEFINE(HWLOC_HAVE_ZESINIT, 1, [Define to 1 if zesInit is available])])
 			       AC_CHECK_LIB([ze_loader], [zeDevicePciGetPropertiesExt], [AC_DEFINE(HWLOC_HAVE_ZEDEVICEPCIGETPROPERTIESEXT, 1, [Define to 1 if zeDevicePciGetPropertiesExt is available])])
                               ], [hwloc_levelzero_happy=no])
       if test x$hwloc_levelzero_happy = xno; then
@@ -1422,9 +1421,8 @@ return clGetDeviceIDs(0, 0, 0, NULL, NULL);
           AC_CHECK_LIB([ze_loader], [zeInit], [
             AC_CHECK_HEADERS([level_zero/zes_api.h], [
               AC_CHECK_LIB([ze_loader],
-	                   [zesDevicePciGetProperties],
+	                   [zesDriverGetDeviceByUuidExp],
 	                   [HWLOC_LEVELZERO_LIBS="-lze_loader"
-			    AC_CHECK_LIB([ze_loader], [zesInit], [AC_DEFINE(HWLOC_HAVE_ZESINIT, 1, [Define to 1 if zesInit is available])])
 			    AC_CHECK_LIB([ze_loader], [zeDevicePciGetPropertiesExt], [AC_DEFINE(HWLOC_HAVE_ZEDEVICEPCIGETPROPERTIESEXT, 1, [Define to 1 if zeDevicePciGetPropertiesExt is available])])
                            ], [hwloc_levelzero_happy=no])
             ], [hwloc_levelzero_happy=no])

doc/Makefile.am

@@ -771,7 +771,9 @@ man3_gpu_DATA = \
         $(DOX_MAN_DIR)/man3/hwloc_rsmi_get_device_osdev_by_index.3 \
         $(DOX_MAN_DIR)/man3/hwlocality_levelzero.3 \
         $(DOX_MAN_DIR)/man3/hwloc_levelzero_get_device_cpuset.3 \
+        $(DOX_MAN_DIR)/man3/hwloc_levelzero_get_sysman_device_cpuset.3 \
         $(DOX_MAN_DIR)/man3/hwloc_levelzero_get_device_osdev.3 \
+        $(DOX_MAN_DIR)/man3/hwloc_levelzero_get_sysman_device_osdev.3 \
         $(DOX_MAN_DIR)/man3/hwlocality_gl.3 \
         $(DOX_MAN_DIR)/man3/hwloc_gl_get_display_osdev_by_port_device.3 \
         $(DOX_MAN_DIR)/man3/hwloc_gl_get_display_osdev_by_name.3 \

doc/hwloc.doxy

@@ -490,6 +490,7 @@ The hwloc core may also benefit from the following development packages:
 <li>the oneAPI Level Zero library.
   The relevant development package is usually <tt>level-zero-dev</tt>
   or <tt>level-zero-devel</tt>.
+  The implementation must be recent enough to support <tt>zesDriverGetDeviceByUuidExp()</tt>
 </li>
 <li>libxml2 for full XML import/export support (otherwise, the
     internal minimalistic parser will only be able to import