mk-rootfs.sh

hc

2023-12-11 072de836f53be56a70cecf70b43ae43b7ce17376

 kernel/drivers/dma/ioat/registers.h
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@@ -1,18 +1,6 @@
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+/* SPDX-License-Identifier: GPL-2.0-or-later */
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 /*
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  * Copyright(c) 2004 - 2009 Intel Corporation. All rights reserved.
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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 of the GNU General Public License as published by the Free
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- * Software Foundation; either version 2 of the License, or (at your option)
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- * any later version.
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- *
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- * This program is distributed in the hope that 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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- * The full GNU General Public License is included in this distribution in the
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- * file called COPYING.
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  */
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 #ifndef _IOAT_REGISTERS_H_
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 #define _IOAT_REGISTERS_H_
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@@ -84,6 +72,9 @@
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 #define IOAT_CAP_PQ				0x00000200
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 #define IOAT_CAP_DWBES				0x00002000
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 #define IOAT_CAP_RAID16SS			0x00020000
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+#define IOAT_CAP_DPS				0x00800000
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+
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+#define IOAT_PREFETCH_LIMIT_OFFSET		0x4C	/* CHWPREFLMT */
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 #define IOAT_CHANNEL_MMIO_SIZE			0x80	/* Each Channel MMIO space is this size */
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@@ -243,4 +234,25 @@
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 #define IOAT_CHANERR_MASK_OFFSET		0x2C	/* 32-bit Channel Error Register */
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+#define IOAT_CHAN_DRSCTL_OFFSET			0xB6
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+#define IOAT_CHAN_DRSZ_4KB			0x0000
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+#define IOAT_CHAN_DRSZ_8KB			0x0001
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+#define IOAT_CHAN_DRSZ_2MB			0x0009
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+#define IOAT_CHAN_DRS_EN			0x0100
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+#define IOAT_CHAN_DRS_AUTOWRAP			0x0200
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+
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+#define IOAT_CHAN_LTR_SWSEL_OFFSET		0xBC
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+#define IOAT_CHAN_LTR_SWSEL_ACTIVE		0x0
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+#define IOAT_CHAN_LTR_SWSEL_IDLE		0x1
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+
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+#define IOAT_CHAN_LTR_ACTIVE_OFFSET		0xC0
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+#define IOAT_CHAN_LTR_ACTIVE_SNVAL		0x0000	/* 0 us */
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+#define IOAT_CHAN_LTR_ACTIVE_SNLATSCALE		0x0800	/* 1us scale */
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+#define IOAT_CHAN_LTR_ACTIVE_SNREQMNT		0x8000	/* snoop req enable */
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+
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+#define IOAT_CHAN_LTR_IDLE_OFFSET		0xC4
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+#define IOAT_CHAN_LTR_IDLE_SNVAL		0x0258	/* 600 us */
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+#define IOAT_CHAN_LTR_IDLE_SNLATSCALE		0x0800	/* 1us scale */
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+#define IOAT_CHAN_LTR_IDLE_SNREQMNT		0x8000	/* snoop req enable */
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+
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 #endif /* _IOAT_REGISTERS_H_ */