change otg to host mode

hc

2024-05-11 04dd17822334871b23ea2862f7798fb0e0007777

 kernel/arch/x86/include/asm/realmode.h
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@@ -14,14 +14,16 @@
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 #include <linux/types.h>
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 #include <asm/io.h>
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-/* This must match data at realmode.S */
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+/* This must match data at realmode/rm/header.S */
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 struct real_mode_header {
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 	u32	text_start;
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 	u32	ro_end;
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 	/* SMP trampoline */
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 	u32	trampoline_start;
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-	u32	trampoline_status;
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 	u32	trampoline_header;
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+#ifdef CONFIG_AMD_MEM_ENCRYPT
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+	u32	sev_es_trampoline_start;
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+#endif
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 #ifdef CONFIG_X86_64
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 	u32	trampoline_pgd;
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 #endif
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@@ -37,7 +39,7 @@
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 #endif
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 };
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-/* This must match data at trampoline_32/64.S */
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+/* This must match data at realmode/rm/trampoline_{32,64}.S */
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 struct trampoline_header {
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 #ifdef CONFIG_X86_32
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 	u32 start;
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@@ -58,6 +60,9 @@
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 extern unsigned long initial_code;
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 extern unsigned long initial_gs;
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 extern unsigned long initial_stack;
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+#ifdef CONFIG_AMD_MEM_ENCRYPT
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+extern unsigned long initial_vc_handler;
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+#endif
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 extern unsigned char real_mode_blob[];
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 extern unsigned char real_mode_relocs[];
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@@ -67,6 +72,7 @@
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 extern unsigned char boot_gdt[];
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 #else
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 extern unsigned char secondary_startup_64[];
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+extern unsigned char secondary_startup_64_no_verify[];
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 #endif
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 static inline size_t real_mode_size_needed(void)
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@@ -77,8 +83,13 @@
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 	return ALIGN(real_mode_blob_end - real_mode_blob, PAGE_SIZE);
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 }
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-void set_real_mode_mem(phys_addr_t mem, size_t size);
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+static inline void set_real_mode_mem(phys_addr_t mem)
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+{
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+	real_mode_header = (struct real_mode_header *) __va(mem);
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+}
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+
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 void reserve_real_mode(void);
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+void load_trampoline_pgtable(void);
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 #endif /* __ASSEMBLY__ */
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