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9e97874148
Goal here is cut over to gpusvm and remove xe_hmm, relying instead on
common code. The core facilities we need are get_pages(), unmap_pages()
and free_pages() for a given useptr range, plus a vm level notifier
lock, which is now provided by gpusvm.
v2:
- Reuse the same SVM vm struct we use for full SVM, that way we can
use the same lock (Matt B & Himal)
v3:
- Re-use svm_init/fini for userptr.
v4:
- Allow building xe without userptr if we are missing DRM_GPUSVM
config. (Matt B)
- Always make .read_only match xe_vma_read_only() for the ctx. (Dafna)
v5:
- Fix missing conversion with CONFIG_DRM_XE_USERPTR_INVAL_INJECT
v6:
- Convert the new user in xe_vm_madise.
Signed-off-by: Matthew Auld <matthew.auld@intel.com>
Cc: Himal Prasad Ghimiray <himal.prasad.ghimiray@intel.com>
Cc: Thomas Hellström <thomas.hellstrom@linux.intel.com>
Cc: Dafna Hirschfeld <dafna.hirschfeld@intel.com>
Cc: Matthew Brost <matthew.brost@intel.com>
Reviewed-by: Matthew Brost <matthew.brost@intel.com>
Link: https://lore.kernel.org/r/20250828142430.615826-17-matthew.auld@intel.com
115 lines
3.1 KiB
Plaintext
115 lines
3.1 KiB
Plaintext
# SPDX-License-Identifier: GPL-2.0-only
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config DRM_XE_WERROR
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bool "Force GCC to throw an error instead of a warning when compiling"
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# As this may inadvertently break the build, only allow the user
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# to shoot oneself in the foot iff they aim really hard
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depends on EXPERT
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# We use the dependency on !COMPILE_TEST to not be enabled in
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# allmodconfig or allyesconfig configurations
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depends on !COMPILE_TEST
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default n
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help
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Add -Werror to the build flags for (and only for) xe.ko.
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Do not enable this unless you are writing code for the xe.ko module.
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Recommended for driver developers only.
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If in doubt, say "N".
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config DRM_XE_DEBUG
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bool "Enable additional driver debugging"
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depends on DRM_XE
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depends on EXPERT
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depends on !COMPILE_TEST
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default n
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help
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Choose this option to turn on extra driver debugging that may affect
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performance but will catch some internal issues.
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Recommended for driver developers only.
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If in doubt, say "N".
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config DRM_XE_DEBUG_VM
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bool "Enable extra VM debugging info"
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default n
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help
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Enable extra VM debugging info
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Recommended for driver developers only.
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If in doubt, say "N".
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config DRM_XE_DEBUG_MEMIRQ
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bool "Enable extra memirq debugging"
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default n
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help
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Choose this option to enable additional debugging info for
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memory based interrupts.
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Recommended for driver developers only.
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If in doubt, say "N".
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config DRM_XE_DEBUG_SRIOV
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bool "Enable extra SR-IOV debugging"
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default n
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select DRM_XE_DEBUG_MEMIRQ
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help
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Enable extra SR-IOV debugging info.
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Recommended for driver developers only.
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If in doubt, say "N".
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config DRM_XE_DEBUG_MEM
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bool "Enable passing SYS/VRAM addresses to user space"
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default n
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help
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Pass object location through uapi. Intended for extended
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testing and development only.
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Recommended for driver developers only.
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If in doubt, say "N".
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config DRM_XE_KUNIT_TEST
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tristate "KUnit tests for the drm xe driver" if !KUNIT_ALL_TESTS
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depends on DRM_XE && KUNIT && DEBUG_FS
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default KUNIT_ALL_TESTS
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select DRM_EXPORT_FOR_TESTS if m
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help
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Choose this option to allow the driver to perform selftests under
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the kunit framework
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Recommended for driver developers only.
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If in doubt, say "N".
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config DRM_XE_DEBUG_GUC
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bool "Enable extra GuC related debug options"
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depends on DRM_XE_DEBUG
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default n
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select STACKDEPOT
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help
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Choose this option when debugging guc issues.
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The GuC log buffer is increased to the maximum allowed, which should
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be large enough for complex issues. The tracking of FAST_REQ messages
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is extended to include a record of the calling stack, which is then
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dumped on a FAST_REQ error notification.
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Recommended for driver developers only.
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If in doubt, say "N".
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config DRM_XE_USERPTR_INVAL_INJECT
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bool "Inject userptr invalidation -EINVAL errors"
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depends on DRM_GPUSVM
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default n
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help
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Choose this option when debugging error paths that
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are hit during checks for userptr invalidations.
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Recommended for driver developers only.
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If in doubt, say "N".
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