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authorSang-Heon Jeon <ekffu200098@gmail.com>2026-08-24 01:18:14 +0900
committerJulia Lawall <Julia.Lawall@inria.fr>2026-08-23 22:12:11 +0200
commit2bd30b8dc75b823dd7bbef9d7bc68e1fd7ecee5c (patch)
treedcc4da1d99f17541c5590ac63c77da4bf372a4ab /Documentation/ABI/testing/debugfs-pfo-nx-crypto
downloadlinux-stable-2bd30b8dc75b823dd7bbef9d7bc68e1fd7ecee5c.tar.gz
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coccinelle: alloc_cast: drop removed allocatorsgrafted
- pci_alloc_consistent() and pci_zalloc_consistent() were removed by commit 7968778914e5 ("PCI: Remove the deprecated "pci-dma-compat.h" API") - kmem_alloc() was removed by commit f078d4ea8276 ("xfs: convert kmem_alloc() to kmalloc()") - kmem_zalloc() was removed by commit 10634530f7ba ("xfs: convert kmem_zalloc() to kzalloc()") - kmem_zone_alloc() and kmem_zone_zalloc() were removed by commit bae633a4a283 ("xfs: remove xfs_zone_{alloc,zalloc} helpers") So drop them from the rules. No functional change. Signed-off-by: Sang-Heon Jeon <ekffu200098@gmail.com> Signed-off-by: Julia Lawall <Julia.Lawall@inria.fr>
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+What: /sys/kernel/debug/nx-crypto/*
+Date: March 2012
+KernelVersion: 3.4
+Contact: Kent Yoder <key@linux.vnet.ibm.com>
+Description:
+
+These debugfs interfaces are built by the nx-crypto driver, built in
+arch/powerpc/crypto/nx.
+
+Error Detection
+===============
+
+errors:
+ A u32 providing a total count of errors since the driver was loaded. The
+ only errors counted here are those returned from the hcall, H_COP_OP.
+
+last_error:
+ The most recent non-zero return code from the H_COP_OP hcall. -EBUSY is not
+ recorded here (the hcall will retry until -EBUSY goes away).
+
+last_error_pid:
+ The process ID of the process who received the most recent error from the
+ hcall.
+
+Device Use
+==========
+
+aes_bytes:
+ The total number of bytes encrypted using AES in any of the driver's
+ supported modes.
+
+aes_ops:
+ The total number of AES operations submitted to the hardware.
+
+sha256_bytes:
+ The total number of bytes hashed by the hardware using SHA-256.
+
+sha256_ops:
+ The total number of SHA-256 operations submitted to the hardware.
+
+sha512_bytes:
+ The total number of bytes hashed by the hardware using SHA-512.
+
+sha512_ops:
+ The total number of SHA-512 operations submitted to the hardware.