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2023-12-09 b22da3d8526a935aa31e086e63f60ff3246cb61c

 kernel/include/linux/async_tx.h
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@@ -1,19 +1,6 @@
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+/* SPDX-License-Identifier: GPL-2.0-only */
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 /*
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  * Copyright © 2006, Intel Corporation.
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- *
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- * This program is free software; you can redistribute it and/or modify it
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- * under the terms and conditions of the GNU General Public License,
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- * version 2, as published by the Free Software Foundation.
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- *
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- * This program is distributed in the hope it will be useful, but WITHOUT
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- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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- * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
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- * more details.
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- *
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- * You should have received a copy of the GNU General Public License along with
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- * this program; if not, write to the Free Software Foundation, Inc.,
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- * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
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- *
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  */
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 #ifndef _ASYNC_TX_H_
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 #define _ASYNC_TX_H_
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@@ -49,7 +36,7 @@
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 /**
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  * async_tx_flags - modifiers for the async_* calls
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  * @ASYNC_TX_XOR_ZERO_DST: this flag must be used for xor operations where the
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- * the destination address is not a source.  The asynchronous case handles this
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+ * destination address is not a source.  The asynchronous case handles this
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  * implicitly, the synchronous case needs to zero the destination block.
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  * @ASYNC_TX_XOR_DROP_DST: this flag must be used if the destination address is
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  * also one of the source addresses.  In the synchronous case the destination
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@@ -176,9 +163,20 @@
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 	  int src_cnt, size_t len, struct async_submit_ctl *submit);
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 struct dma_async_tx_descriptor *
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+async_xor_offs(struct page *dest, unsigned int offset,
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+		struct page **src_list, unsigned int *src_offset,
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+		int src_cnt, size_t len, struct async_submit_ctl *submit);
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+
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+struct dma_async_tx_descriptor *
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 async_xor_val(struct page *dest, struct page **src_list, unsigned int offset,
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 	      int src_cnt, size_t len, enum sum_check_flags *result,
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 	      struct async_submit_ctl *submit);
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+
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+struct dma_async_tx_descriptor *
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+async_xor_val_offs(struct page *dest, unsigned int offset,
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+		struct page **src_list, unsigned int *src_offset,
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+		int src_cnt, size_t len, enum sum_check_flags *result,
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+		struct async_submit_ctl *submit);
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 struct dma_async_tx_descriptor *
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 async_memcpy(struct page *dest, struct page *src, unsigned int dest_offset,
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@@ -188,21 +186,23 @@
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 struct dma_async_tx_descriptor *async_trigger_callback(struct async_submit_ctl *submit);
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 struct dma_async_tx_descriptor *
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-async_gen_syndrome(struct page **blocks, unsigned int offset, int src_cnt,
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+async_gen_syndrome(struct page **blocks, unsigned int *offsets, int src_cnt,
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 		   size_t len, struct async_submit_ctl *submit);
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 struct dma_async_tx_descriptor *
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-async_syndrome_val(struct page **blocks, unsigned int offset, int src_cnt,
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+async_syndrome_val(struct page **blocks, unsigned int *offsets, int src_cnt,
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 		   size_t len, enum sum_check_flags *pqres, struct page *spare,
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-		   struct async_submit_ctl *submit);
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+		   unsigned int s_off, struct async_submit_ctl *submit);
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 struct dma_async_tx_descriptor *
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 async_raid6_2data_recov(int src_num, size_t bytes, int faila, int failb,
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-			struct page **ptrs, struct async_submit_ctl *submit);
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+			struct page **ptrs, unsigned int *offs,
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+			struct async_submit_ctl *submit);
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 struct dma_async_tx_descriptor *
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 async_raid6_datap_recov(int src_num, size_t bytes, int faila,
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-			struct page **ptrs, struct async_submit_ctl *submit);
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+			struct page **ptrs, unsigned int *offs,
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+			struct async_submit_ctl *submit);
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 void async_tx_quiesce(struct dma_async_tx_descriptor **tx);
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 #endif /* _ASYNC_TX_H_ */