rtl88x2CE_WiFi_linux add concurrent mode

hc

2024-09-20 cf4ce59b3b70238352c7f1729f0f7223214828ad

 kernel/arch/powerpc/include/asm/icswx.h
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@@ -1,12 +1,8 @@
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+/* SPDX-License-Identifier: GPL-2.0-or-later */
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 /*
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  * ICSWX api
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  *
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  * Copyright (C) 2015 IBM Corp.
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- *
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- * This program is free software; you can redistribute it and/or
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- * modify it under the terms of the GNU General Public License
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- * as published by the Free Software Foundation; either version
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- * 2 of the License, or (at your option) any later version.
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  *
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  * This provides the Initiate Coprocessor Store Word Indexed (ICSWX)
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  * instruction.  This instruction is used to communicate with PowerPC
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@@ -81,6 +77,8 @@
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 #define CSB_CC_CHAIN		(37)
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 #define CSB_CC_SEQUENCE		(38)
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 #define CSB_CC_HW		(39)
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+/* P9 DD2 NX Workbook 3.2 (Table 4-36): Address translation fault */
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+#define	CSB_CC_FAULT_ADDRESS	(250)
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 #define CSB_SIZE		(0x10)
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 #define CSB_ALIGN		CSB_SIZE
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@@ -112,6 +110,17 @@
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 	__be64 address;
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 } __packed __aligned(DDE_ALIGN);
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112
 
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+/* 4.3.2 NX-stamped Fault CRB */
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+
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+#define NX_STAMP_ALIGN          (0x10)
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+
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+struct nx_fault_stamp {
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+	__be64 fault_storage_addr;
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+	__be16 reserved;
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+	__u8   flags;
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+	__u8   fault_status;
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+	__be32 pswid;
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+} __packed __aligned(NX_STAMP_ALIGN);
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 /* Chapter 6.5.2 Coprocessor-Request Block (CRB) */
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@@ -139,11 +148,15 @@
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 	struct coprocessor_completion_block ccb;
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-	u8 reserved[48];
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+	union {
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+		struct nx_fault_stamp nx;
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+		u8 reserved[16];
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+	} stamp;
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+
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+	u8 reserved[32];
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 	struct coprocessor_status_block csb;
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-} __packed __aligned(CRB_ALIGN);
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-
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+} __aligned(128);
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 /* RFC02167 Initiate Coprocessor Instructions document
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  * Chapter 8.2.1.1.1 RS
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@@ -174,6 +187,9 @@
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 	__be64 ccw_reg = ccw;
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 	u32 cr;
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+	/* NB: the same structures are used by VAS-NX */
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+	BUILD_BUG_ON(sizeof(*crb) != 128);
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+
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 	__asm__ __volatile__(
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 	PPC_ICSWX(%1,0,%2) "\n"
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 	"mfcr %0\n"