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L0: switch to zesInit() #695

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Merged
merged 7 commits into from
Nov 13, 2024
Merged

L0: switch to zesInit() #695

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8bc2304
levelzero.h: fix the lookup of parent pci devices
bgoglin Nov 8, 2024
268b0a6
levelzero: abstract-out the querying of drivers/devices
bgoglin Nov 6, 2024
e0a195b
levelzero: separate ZE and ZES device handles
bgoglin Nov 7, 2024
368c8d0
levelzero: require zesDriverGetDeviceByUuidExp()
bgoglin Nov 7, 2024
0b7f78a
levelzero: use zesDriverGetDeviceByUuidExp() to get ZES device handles
bgoglin Nov 7, 2024
4fb61ef
levelzero: don't enforce ZES_ENABLE_SYSMAN=1 in the environment
bgoglin Nov 8, 2024
d3a04a7
levelzero.h+tests: update to both ZE and ZES API
bgoglin Nov 8, 2024
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6 changes: 2 additions & 4 deletions config/hwloc.m4
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Original file line number Diff line number Diff line change
Expand Up @@ -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
Expand All @@ -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])
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2 changes: 2 additions & 0 deletions doc/Makefile.am
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Expand Up @@ -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 \
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1 change: 1 addition & 0 deletions doc/hwloc.doxy
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Expand Up @@ -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
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