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authorLinus Torvalds <torvalds@linux-foundation.org>2025-05-26 13:47:28 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2025-05-26 13:47:28 -0700
commit14418ddcc2c2055743ac7ee53d5ac2cf8a8660a7 (patch)
tree4edb44583a986dce31f537ff3d55032118b2db3e /drivers/crypto/intel/qat/qat_common/adf_timer.c
parent15d90a5e5524532b7456a24f4626cf28c1629c4c (diff)
parent2297554f01df6d3d4e98a3915c183ce3e491740a (diff)
Merge tag 'v6.16-p1' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6
Pull crypto updates from Herbert Xu: "API: - Fix memcpy_sglist to handle partially overlapping SG lists - Use memcpy_sglist to replace null skcipher - Rename CRYPTO_TESTS to CRYPTO_BENCHMARK - Flip CRYPTO_MANAGER_DISABLE_TEST into CRYPTO_SELFTESTS - Hide CRYPTO_MANAGER - Add delayed freeing of driver crypto_alg structures Compression: - Allocate large buffers on first use instead of initialisation in scomp - Drop destination linearisation buffer in scomp - Move scomp stream allocation into acomp - Add acomp scatter-gather walker - Remove request chaining - Add optional async request allocation Hashing: - Remove request chaining - Add optional async request allocation - Move partial block handling into API - Add ahash support to hmac - Fix shash documentation to disallow usage in hard IRQs Algorithms: - Remove unnecessary SIMD fallback code on x86 and arm/arm64 - Drop avx10_256 xts(aes)/ctr(aes) on x86 - Improve avx-512 optimisations for xts(aes) - Move chacha arch implementations into lib/crypto - Move poly1305 into lib/crypto and drop unused Crypto API algorithm - Disable powerpc/poly1305 as it has no SIMD fallback - Move sha256 arch implementations into lib/crypto - Convert deflate to acomp - Set block size correctly in cbcmac Drivers: - Do not use sg_dma_len before mapping in sun8i-ss - Fix warm-reboot failure by making shutdown do more work in qat - Add locking in zynqmp-sha - Remove cavium/zip - Add support for PCI device 0x17D8 to ccp - Add qat_6xxx support in qat - Add support for RK3576 in rockchip-rng - Add support for i.MX8QM in caam Others: - Fix irq_fpu_usable/kernel_fpu_begin inconsistency during CPU bring-up - Add new SEV/SNP platform shutdown API in ccp" * tag 'v6.16-p1' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6: (382 commits) x86/fpu: Fix irq_fpu_usable() to return false during CPU onlining crypto: qat - add missing header inclusion crypto: api - Redo lookup on EEXIST Revert "crypto: testmgr - Add hash export format testing" crypto: marvell/cesa - Do not chain submitted requests crypto: powerpc/poly1305 - add depends on BROKEN for now Revert "crypto: powerpc/poly1305 - Add SIMD fallback" crypto: ccp - Add missing tee info reg for teev2 crypto: ccp - Add missing bootloader info reg for pspv5 crypto: sun8i-ce - move fallback ahash_request to the end of the struct crypto: octeontx2 - Use dynamic allocated memory region for lmtst crypto: octeontx2 - Initialize cptlfs device info once crypto: xts - Only add ecb if it is not already there crypto: lrw - Only add ecb if it is not already there crypto: testmgr - Add hash export format testing crypto: testmgr - Use ahash for generic tfm crypto: hmac - Add ahash support crypto: testmgr - Ignore EEXIST on shash allocation crypto: algapi - Add driver template support to crypto_inst_setname crypto: shash - Set reqsize in shash_alg ...
Diffstat (limited to 'drivers/crypto/intel/qat/qat_common/adf_timer.c')
-rw-r--r--drivers/crypto/intel/qat/qat_common/adf_timer.c71
1 files changed, 71 insertions, 0 deletions
diff --git a/drivers/crypto/intel/qat/qat_common/adf_timer.c b/drivers/crypto/intel/qat/qat_common/adf_timer.c
new file mode 100644
index 000000000000..8962a49f145a
--- /dev/null
+++ b/drivers/crypto/intel/qat/qat_common/adf_timer.c
@@ -0,0 +1,71 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/* Copyright(c) 2023 Intel Corporation */
+
+#include <linux/container_of.h>
+#include <linux/dev_printk.h>
+#include <linux/export.h>
+#include <linux/jiffies.h>
+#include <linux/ktime.h>
+#include <linux/slab.h>
+#include <linux/workqueue.h>
+
+#include "adf_admin.h"
+#include "adf_accel_devices.h"
+#include "adf_common_drv.h"
+#include "adf_timer.h"
+
+#define ADF_DEFAULT_TIMER_PERIOD_MS 200
+
+/* This periodic update is used to trigger HB, RL & TL fw events */
+static void work_handler(struct work_struct *work)
+{
+ struct adf_accel_dev *accel_dev;
+ struct adf_timer *timer_ctx;
+ u32 time_periods;
+
+ timer_ctx = container_of(to_delayed_work(work), struct adf_timer, work_ctx);
+ accel_dev = timer_ctx->accel_dev;
+
+ adf_misc_wq_queue_delayed_work(&timer_ctx->work_ctx,
+ msecs_to_jiffies(ADF_DEFAULT_TIMER_PERIOD_MS));
+
+ time_periods = div_u64(ktime_ms_delta(ktime_get_real(), timer_ctx->initial_ktime),
+ ADF_DEFAULT_TIMER_PERIOD_MS);
+
+ if (adf_send_admin_tim_sync(accel_dev, time_periods))
+ dev_err(&GET_DEV(accel_dev), "Failed to synchronize qat timer\n");
+}
+
+int adf_timer_start(struct adf_accel_dev *accel_dev)
+{
+ struct adf_timer *timer_ctx;
+
+ timer_ctx = kzalloc(sizeof(*timer_ctx), GFP_KERNEL);
+ if (!timer_ctx)
+ return -ENOMEM;
+
+ timer_ctx->accel_dev = accel_dev;
+ accel_dev->timer = timer_ctx;
+ timer_ctx->initial_ktime = ktime_get_real();
+
+ INIT_DELAYED_WORK(&timer_ctx->work_ctx, work_handler);
+ adf_misc_wq_queue_delayed_work(&timer_ctx->work_ctx,
+ msecs_to_jiffies(ADF_DEFAULT_TIMER_PERIOD_MS));
+
+ return 0;
+}
+EXPORT_SYMBOL_GPL(adf_timer_start);
+
+void adf_timer_stop(struct adf_accel_dev *accel_dev)
+{
+ struct adf_timer *timer_ctx = accel_dev->timer;
+
+ if (!timer_ctx)
+ return;
+
+ cancel_delayed_work_sync(&timer_ctx->work_ctx);
+
+ kfree(timer_ctx);
+ accel_dev->timer = NULL;
+}
+EXPORT_SYMBOL_GPL(adf_timer_stop);