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c14e5cd3 |
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14-Jan-2024 |
Farah Kassabri <fkassabri@habana.ai> |
accel/habanalabs: remove hop size from asic properties The hop size related properties is a MMU properties and not asic properties. As for PMMU and HMMU we could have different sizes. Signed-off-by: Farah Kassabri <fkassabri@habana.ai> Reviewed-by: Oded Gabbay <ogabbay@kernel.org> Reviewed-by: Carl Vanderlip <quic_carlv@quicinc.com> Signed-off-by: Oded Gabbay <ogabbay@kernel.org>
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ff92d010 |
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27-Aug-2023 |
Ohad Sharabi <osharabi@habana.ai> |
accel/habanalabs: trace dma map sgtable Traces the DMA [un]map_sgtable using the new traces we added. Signed-off-by: Ohad Sharabi <osharabi@habana.ai> Reviewed-by: Oded Gabbay <ogabbay@kernel.org> Signed-off-by: Oded Gabbay <ogabbay@kernel.org>
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a45d5cf0 |
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25-Aug-2023 |
Justin Stitt <justinstitt@google.com> |
accel/habanalabs: refactor deprecated strncpy to strscpy_pad `strncpy` is deprecated for use on NUL-terminated destination strings [1]. We see that `prop->cpucp_info.card_name` is supposed to be NUL-terminated based on its usage within `__hwmon_device_register()` (wherein it's called "name"): | if (name && (!strlen(name) || strpbrk(name, "-* \t\n"))) | dev_warn(dev, | "hwmon: '%s' is not a valid name attribute, please fix\n", | name); A suitable replacement is `strscpy_pad` [2] due to the fact that it guarantees both NUL-termination and NUL-padding on its destination buffer. NUL-padding on `prop->cpucp_info.card_name` is not strictly necessary as `hdev->prop` is explicitly zero-initialized but should be used regardless as it gets copied out to userspace directly -- as per Kees' suggestion. Link: https://www.kernel.org/doc/html/latest/process/deprecated.html#strncpy-on-nul-terminated-strings [1] Link: https://manpages.debian.org/testing/linux-manual-4.8/strscpy.9.en.html [2] Link: https://github.com/KSPP/linux/issues/90 Cc: linux-hardening@vger.kernel.org Signed-off-by: Justin Stitt <justinstitt@google.com> Suggested-by: Kees Cook <keescook@chromium.org> Reviewed-by: Kees Cook <keescook@chromium.org> Signed-off-by: Oded Gabbay <ogabbay@kernel.org>
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583f12a8 |
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09-May-2023 |
Ofir Bitton <obitton@habana.ai> |
accel/habanalabs: remove support for mmu disable As mmu disable mode is only used for bring-up stages, let's remove this option and all code related to it. Signed-off-by: Ofir Bitton <obitton@habana.ai> Reviewed-by: Oded Gabbay <ogabbay@kernel.org> Signed-off-by: Oded Gabbay <ogabbay@kernel.org>
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802f25b6 |
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21-Mar-2023 |
Tal Cohen <talcohen@habana.ai> |
accel/habanalabs: sync f/w events interrupt in hard reset Receiving events from FW, while the device is in hard reset, causes a warning message in Driver log. The message may point to a problem in the Driver or FW. But It also can appear as a result of events that have been sent from FW just before the hard reset. In order to avoid receiving events from FW while the device is in reset and is already in 'disabled' mode, sync the f/w events interrupt right before setting the device to 'disabled'. Signed-off-by: Tal Cohen <talcohen@habana.ai> Reviewed-by: Oded Gabbay <ogabbay@kernel.org> Signed-off-by: Oded Gabbay <ogabbay@kernel.org>
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077a39fa |
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20-Feb-2023 |
Dafna Hirschfeld <dhirschfeld@habana.ai> |
accel/habanalabs: in hw_fini return error code if polling timed-out In hw_fini callback, we use either the cpucp packet method or polling a register. Currently we return error only in the case of cpucp packet failure. In this patch we also return error if polling timed out. Signed-off-by: Dafna Hirschfeld <dhirschfeld@habana.ai> Reviewed-by: Oded Gabbay <ogabbay@kernel.org> Signed-off-by: Oded Gabbay <ogabbay@kernel.org>
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86b74d84 |
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14-Feb-2023 |
Dafna Hirschfeld <dhirschfeld@habana.ai> |
accel/habanalabs: assert return value of hw_fini Since hw_fini return error code for failure indication, we should check its return value. Currently it might only fail upon soft-reset from hl_device_reset. Later patch will add hw_fini failure in case of polling timeout in hard-reset. Signed-off-by: Dafna Hirschfeld <dhirschfeld@habana.ai> Reviewed-by: Oded Gabbay <ogabbay@kernel.org> Reviewed-by: Stanislaw Gruszka <stanislaw.gruszka@linux.intel.com> Signed-off-by: Oded Gabbay <ogabbay@kernel.org>
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5e09ae92 |
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08-Feb-2023 |
Dafna Hirschfeld <dhirschfeld@habana.ai> |
accel/habanalabs: change hw_fini to return int to indicate error We later use cpucp packet for soft reset which might fail so we should be able propagate the failure case. Signed-off-by: Dafna Hirschfeld <dhirschfeld@habana.ai> Reviewed-by: Oded Gabbay <ogabbay@kernel.org> Signed-off-by: Oded Gabbay <ogabbay@kernel.org> Reviewed-by: Stanislaw Gruszka <stanislaw.gruszka@linux.intel.com>
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4713ace3 |
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16-Jan-2023 |
Ofir Bitton <obitton@habana.ai> |
accel/habanalabs: add support for TPC assert In order to allow TPC engines to raise an assert, we must expose the relevant MSIX interrupt to the user so he will configure the engine correctly. In addition, we implement the corresponding interrupt handler that will notify the user upon such an event. Signed-off-by: Ofir Bitton <obitton@habana.ai> Reviewed-by: Oded Gabbay <ogabbay@kernel.org> Signed-off-by: Oded Gabbay <ogabbay@kernel.org> Reviewed-by: Stanislaw Gruszka <stanislaw.gruszka@linux.intel.com>
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3822a7c4 |
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23-Feb-2023 |
Linus Torvalds <torvalds@linux-foundation.org> |
Merge tag 'mm-stable-2023-02-20-13-37' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm Pull MM updates from Andrew Morton: - Daniel Verkamp has contributed a memfd series ("mm/memfd: add F_SEAL_EXEC") which permits the setting of the memfd execute bit at memfd creation time, with the option of sealing the state of the X bit. - Peter Xu adds a patch series ("mm/hugetlb: Make huge_pte_offset() thread-safe for pmd unshare") which addresses a rare race condition related to PMD unsharing. - Several folioification patch serieses from Matthew Wilcox, Vishal Moola, Sidhartha Kumar and Lorenzo Stoakes - Johannes Weiner has a series ("mm: push down lock_page_memcg()") which does perform some memcg maintenance and cleanup work. - SeongJae Park has added DAMOS filtering to DAMON, with the series "mm/damon/core: implement damos filter". These filters provide users with finer-grained control over DAMOS's actions. SeongJae has also done some DAMON cleanup work. - Kairui Song adds a series ("Clean up and fixes for swap"). - Vernon Yang contributed the series "Clean up and refinement for maple tree". - Yu Zhao has contributed the "mm: multi-gen LRU: memcg LRU" series. It adds to MGLRU an LRU of memcgs, to improve the scalability of global reclaim. - David Hildenbrand has added some userfaultfd cleanup work in the series "mm: uffd-wp + change_protection() cleanups". - Christoph Hellwig has removed the generic_writepages() library function in the series "remove generic_writepages". - Baolin Wang has performed some maintenance on the compaction code in his series "Some small improvements for compaction". - Sidhartha Kumar is doing some maintenance work on struct page in his series "Get rid of tail page fields". - David Hildenbrand contributed some cleanup, bugfixing and generalization of pte management and of pte debugging in his series "mm: support __HAVE_ARCH_PTE_SWP_EXCLUSIVE on all architectures with swap PTEs". - Mel Gorman and Neil Brown have removed the __GFP_ATOMIC allocation flag in the series "Discard __GFP_ATOMIC". - Sergey Senozhatsky has improved zsmalloc's memory utilization with his series "zsmalloc: make zspage chain size configurable". - Joey Gouly has added prctl() support for prohibiting the creation of writeable+executable mappings. The previous BPF-based approach had shortcomings. See "mm: In-kernel support for memory-deny-write-execute (MDWE)". - Waiman Long did some kmemleak cleanup and bugfixing in the series "mm/kmemleak: Simplify kmemleak_cond_resched() & fix UAF". - T.J. Alumbaugh has contributed some MGLRU cleanup work in his series "mm: multi-gen LRU: improve". - Jiaqi Yan has provided some enhancements to our memory error statistics reporting, mainly by presenting the statistics on a per-node basis. See the series "Introduce per NUMA node memory error statistics". - Mel Gorman has a second and hopefully final shot at fixing a CPU-hog regression in compaction via his series "Fix excessive CPU usage during compaction". - Christoph Hellwig does some vmalloc maintenance work in the series "cleanup vfree and vunmap". - Christoph Hellwig has removed block_device_operations.rw_page() in ths series "remove ->rw_page". - We get some maple_tree improvements and cleanups in Liam Howlett's series "VMA tree type safety and remove __vma_adjust()". - Suren Baghdasaryan has done some work on the maintainability of our vm_flags handling in the series "introduce vm_flags modifier functions". - Some pagemap cleanup and generalization work in Mike Rapoport's series "mm, arch: add generic implementation of pfn_valid() for FLATMEM" and "fixups for generic implementation of pfn_valid()" - Baoquan He has done some work to make /proc/vmallocinfo and /proc/kcore better represent the real state of things in his series "mm/vmalloc.c: allow vread() to read out vm_map_ram areas". - Jason Gunthorpe rationalized the GUP system's interface to the rest of the kernel in the series "Simplify the external interface for GUP". - SeongJae Park wishes to migrate people from DAMON's debugfs interface over to its sysfs interface. To support this, we'll temporarily be printing warnings when people use the debugfs interface. See the series "mm/damon: deprecate DAMON debugfs interface". - Andrey Konovalov provided the accurately named "lib/stackdepot: fixes and clean-ups" series. - Huang Ying has provided a dramatic reduction in migration's TLB flush IPI rates with the series "migrate_pages(): batch TLB flushing". - Arnd Bergmann has some objtool fixups in "objtool warning fixes". * tag 'mm-stable-2023-02-20-13-37' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm: (505 commits) include/linux/migrate.h: remove unneeded externs mm/memory_hotplug: cleanup return value handing in do_migrate_range() mm/uffd: fix comment in handling pte markers mm: change to return bool for isolate_movable_page() mm: hugetlb: change to return bool for isolate_hugetlb() mm: change to return bool for isolate_lru_page() mm: change to return bool for folio_isolate_lru() objtool: add UACCESS exceptions for __tsan_volatile_read/write kmsan: disable ftrace in kmsan core code kasan: mark addr_has_metadata __always_inline mm: memcontrol: rename memcg_kmem_enabled() sh: initialize max_mapnr m68k/nommu: add missing definition of ARCH_PFN_OFFSET mm: percpu: fix incorrect size in pcpu_obj_full_size() maple_tree: reduce stack usage with gcc-9 and earlier mm: page_alloc: call panic() when memoryless node allocation fails mm: multi-gen LRU: avoid futile retries migrate_pages: move THP/hugetlb migration support check to simplify code migrate_pages: batch flushing TLB migrate_pages: share more code between _unmap and _move ...
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ab509d81 |
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02-Jan-2023 |
Ohad Sharabi <osharabi@habana.ai> |
habanalabs: add set engines masks ASIC function This function shall be used whenever components enable/binning masks should be updated. Usage is in one of the below cases: - update user (or default) component masks - update when getting the masks from FW (either CPUCP or COMMS) Signed-off-by: Ohad Sharabi <osharabi@habana.ai> Reviewed-by: Oded Gabbay <ogabbay@kernel.org> Signed-off-by: Oded Gabbay <ogabbay@kernel.org> |
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e65e175b |
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26-Dec-2022 |
Oded Gabbay <ogabbay@kernel.org> |
habanalabs: move driver to accel subsystem Now that we have a subsystem for compute accelerators, move the habanalabs driver to it. This patch only moves the files and fixes the Makefiles. Future patches will change the existing code to register to the accel subsystem and expose the accel device char files instead of the habanalabs device char files. Update the MAINTAINERS file to reflect this change. Signed-off-by: Oded Gabbay <ogabbay@kernel.org> |
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ab509d81 |
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02-Jan-2023 |
Ohad Sharabi <osharabi@habana.ai> |
habanalabs: add set engines masks ASIC function This function shall be used whenever components enable/binning masks should be updated. Usage is in one of the below cases: - update user (or default) component masks - update when getting the masks from FW (either CPUCP or COMMS) Signed-off-by: Ohad Sharabi <osharabi@habana.ai> Reviewed-by: Oded Gabbay <ogabbay@kernel.org> Signed-off-by: Oded Gabbay <ogabbay@kernel.org>
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e65e175b |
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26-Dec-2022 |
Oded Gabbay <ogabbay@kernel.org> |
habanalabs: move driver to accel subsystem Now that we have a subsystem for compute accelerators, move the habanalabs driver to it. This patch only moves the files and fixes the Makefiles. Future patches will change the existing code to register to the accel subsystem and expose the accel device char files instead of the habanalabs device char files. Update the MAINTAINERS file to reflect this change. Signed-off-by: Oded Gabbay <ogabbay@kernel.org>
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