add boot partition size

hc

2023-12-11 d2ccde1c8e90d38cee87a1b0309ad2827f3fd30d

 kernel/arch/powerpc/include/asm/asm-prototypes.h
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@@ -1,3 +1,4 @@
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+/* SPDX-License-Identifier: GPL-2.0-or-later */
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 #ifndef _ASM_POWERPC_ASM_PROTOTYPES_H
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 #define _ASM_POWERPC_ASM_PROTOTYPES_H
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 /*
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@@ -5,11 +6,6 @@
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  * from asm, and any associated variables.
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  *
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  * Copyright 2016, Daniel Axtens, IBM Corporation.
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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 2
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- * of the License, or (at your option) any later version.
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  */
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 #include <linux/threads.h>
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@@ -19,12 +15,13 @@
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 #include <asm/epapr_hcalls.h>
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 #include <asm/dcr.h>
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 #include <asm/mmu_context.h>
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+#include <asm/ultravisor-api.h>
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19
 
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 #include <uapi/asm/ucontext.h>
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 /* SMP */
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-extern struct thread_info *current_set[NR_CPUS];
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-extern struct thread_info *secondary_ti;
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+extern struct task_struct *current_set[NR_CPUS];
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+extern struct task_struct *secondary_current;
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 void start_secondary(void *unused);
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 /* kexec */
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@@ -37,13 +34,21 @@
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 extern struct static_key hcall_tracepoint_key;
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 void __trace_hcall_entry(unsigned long opcode, unsigned long *args);
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 void __trace_hcall_exit(long opcode, long retval, unsigned long *retbuf);
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-/* OPAL tracing */
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-#ifdef CONFIG_JUMP_LABEL
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-extern struct static_key opal_tracepoint_key;
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+
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+/* Ultravisor */
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+#if defined(CONFIG_PPC_POWERNV) || defined(CONFIG_PPC_SVM)
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+long ucall_norets(unsigned long opcode, ...);
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+#else
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+static inline long ucall_norets(unsigned long opcode, ...)
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+{
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+	return U_NOT_AVAILABLE;
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+}
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 #endif
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-void __trace_opal_entry(unsigned long opcode, unsigned long *args);
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-void __trace_opal_exit(long opcode, unsigned long retval);
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+/* OPAL */
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+int64_t __opal_call(int64_t a0, int64_t a1, int64_t a2, int64_t a3,
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+		    int64_t a4, int64_t a5, int64_t a6, int64_t a7,
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+		    int64_t opcode, uint64_t msr);
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 /* VMX copying */
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 int enter_vmx_usercopy(void);
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@@ -61,9 +66,8 @@
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 void single_step_exception(struct pt_regs *regs);
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 void program_check_exception(struct pt_regs *regs);
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 void alignment_exception(struct pt_regs *regs);
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-void slb_miss_bad_addr(struct pt_regs *regs);
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 void StackOverflow(struct pt_regs *regs);
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-void nonrecoverable_exception(struct pt_regs *regs);
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+void stack_overflow_exception(struct pt_regs *regs);
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 void kernel_fp_unavailable_exception(struct pt_regs *regs);
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 void altivec_unavailable_exception(struct pt_regs *regs);
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 void vsx_unavailable_exception(struct pt_regs *regs);
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@@ -78,6 +82,8 @@
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 void system_reset_exception(struct pt_regs *regs);
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 void machine_check_exception(struct pt_regs *regs);
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 void emulation_assist_interrupt(struct pt_regs *regs);
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+long do_slb_fault(struct pt_regs *regs, unsigned long ea);
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+void do_bad_slb_fault(struct pt_regs *regs, unsigned long ea, long err);
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 /* signals, syscalls and interrupts */
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 long sys_swapcontext(struct ucontext __user *old_ctx,
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@@ -87,24 +93,21 @@
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 long sys_debug_setcontext(struct ucontext __user *ctx,
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 			  int ndbg, struct sig_dbg_op __user *dbg);
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 int
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-ppc_select(int n, fd_set __user *inp, fd_set __user *outp, fd_set __user *exp, struct timeval __user *tvp);
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+ppc_select(int n, fd_set __user *inp, fd_set __user *outp, fd_set __user *exp,
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+	   struct __kernel_old_timeval __user *tvp);
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 unsigned long __init early_init(unsigned long dt_ptr);
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 void __init machine_init(u64 dt_ptr);
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 #endif
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+long system_call_exception(long r3, long r4, long r5, long r6, long r7, long r8, unsigned long r0, struct pt_regs *regs);
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+notrace unsigned long syscall_exit_prepare(unsigned long r3, struct pt_regs *regs, long scv);
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+notrace unsigned long interrupt_exit_user_prepare(struct pt_regs *regs, unsigned long msr);
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+notrace unsigned long interrupt_exit_kernel_prepare(struct pt_regs *regs, unsigned long msr);
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 long ppc_fadvise64_64(int fd, int advice, u32 offset_high, u32 offset_low,
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 		      u32 len_high, u32 len_low);
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 long sys_switch_endian(void);
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 notrace unsigned int __check_irq_replay(void);
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 void notrace restore_interrupts(void);
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-
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-/* ptrace */
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-long do_syscall_trace_enter(struct pt_regs *regs);
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-void do_syscall_trace_leave(struct pt_regs *regs);
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-
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-/* process */
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-void restore_math(struct pt_regs *regs);
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-void restore_tm_state(struct pt_regs *regs);
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 /* prom_init (OpenFirmware) */
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 unsigned long __init prom_init(unsigned long r3, unsigned long r4,
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@@ -116,9 +119,6 @@
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 void __init early_setup(unsigned long dt_ptr);
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 void early_setup_secondary(void);
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-/* time */
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-void accumulate_stolen_time(void);
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-
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 /* misc runtime */
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 extern u64 __bswapdi2(u64);
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 extern s64 __lshrdi3(s64, int);
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@@ -129,7 +129,8 @@
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 /* tracing */
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 void _mcount(void);
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-unsigned long prepare_ftrace_return(unsigned long parent, unsigned long ip);
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+unsigned long prepare_ftrace_return(unsigned long parent, unsigned long ip,
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+						unsigned long sp);
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 void pnv_power9_force_smt4_catch(void);
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 void pnv_power9_force_smt4_release(void);
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@@ -144,13 +145,36 @@
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 void _kvmppc_save_tm_pr(struct kvm_vcpu *vcpu, u64 guest_msr);
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 /* Patch sites */
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-extern s32 patch__call_flush_count_cache;
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+extern s32 patch__call_flush_branch_caches1;
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+extern s32 patch__call_flush_branch_caches2;
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+extern s32 patch__call_flush_branch_caches3;
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 extern s32 patch__flush_count_cache_return;
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 extern s32 patch__flush_link_stack_return;
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 extern s32 patch__call_kvm_flush_link_stack;
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 extern s32 patch__memset_nocache, patch__memcpy_nocache;
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-extern long flush_count_cache;
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+extern long flush_branch_caches;
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 extern long kvm_flush_link_stack;
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+#ifdef CONFIG_PPC_TRANSACTIONAL_MEM
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+void kvmppc_save_tm_hv(struct kvm_vcpu *vcpu, u64 msr, bool preserve_nv);
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+void kvmppc_restore_tm_hv(struct kvm_vcpu *vcpu, u64 msr, bool preserve_nv);
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+#else
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+static inline void kvmppc_save_tm_hv(struct kvm_vcpu *vcpu, u64 msr,
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+				     bool preserve_nv) { }
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+static inline void kvmppc_restore_tm_hv(struct kvm_vcpu *vcpu, u64 msr,
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+					bool preserve_nv) { }
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+#endif /* CONFIG_PPC_TRANSACTIONAL_MEM */
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+
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+void kvmhv_save_host_pmu(void);
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+void kvmhv_load_host_pmu(void);
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+void kvmhv_save_guest_pmu(struct kvm_vcpu *vcpu, bool pmu_in_use);
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+void kvmhv_load_guest_pmu(struct kvm_vcpu *vcpu);
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+
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+int __kvmhv_vcpu_entry_p9(struct kvm_vcpu *vcpu);
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+
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+long kvmppc_h_set_dabr(struct kvm_vcpu *vcpu, unsigned long dabr);
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+long kvmppc_h_set_xdabr(struct kvm_vcpu *vcpu, unsigned long dabr,
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+			unsigned long dabrx);
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+
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 #endif /* _ASM_POWERPC_ASM_PROTOTYPES_H */