[PATCH 10/20] x86: xen: add missing prototypes

From: Arnd Bergmann
Date: Tue May 16 2023 - 15:38:10 EST


From: Arnd Bergmann <arnd@xxxxxxxx>

arch/x86/xen/enlighten_pv.c:1233:34: error: no previous prototype for 'xen_start_kernel' [-Werror=missing-prototypes]
arch/x86/xen/irq.c:22:14: error: no previous prototype for 'xen_force_evtchn_callback' [-Werror=missing-prototypes]
arch/x86/xen/mmu_pv.c:358:20: error: no previous prototype for 'xen_pte_val' [-Werror=missing-prototypes]
arch/x86/xen/mmu_pv.c:366:20: error: no previous prototype for 'xen_pgd_val' [-Werror=missing-prototypes]

Signed-off-by: Arnd Bergmann <arnd@xxxxxxxx>
---
arch/x86/xen/efi.c | 2 ++
arch/x86/xen/smp.h | 3 +++
arch/x86/xen/xen-ops.h | 14 ++++++++++++++
include/xen/xen.h | 3 +++
4 files changed, 22 insertions(+)

diff --git a/arch/x86/xen/efi.c b/arch/x86/xen/efi.c
index 7d7ffb9c826a..863d0d6b3edc 100644
--- a/arch/x86/xen/efi.c
+++ b/arch/x86/xen/efi.c
@@ -16,6 +16,8 @@
#include <asm/setup.h>
#include <asm/xen/hypercall.h>

+#include "xen-ops.h"
+
static efi_char16_t vendor[100] __initdata;

static efi_system_table_t efi_systab_xen __initdata = {
diff --git a/arch/x86/xen/smp.h b/arch/x86/xen/smp.h
index 22fb982ff971..cbc45e2462f5 100644
--- a/arch/x86/xen/smp.h
+++ b/arch/x86/xen/smp.h
@@ -2,6 +2,9 @@
#ifndef _XEN_SMP_H

#ifdef CONFIG_SMP
+
+asmlinkage void cpu_bringup_and_idle(void);
+
extern void xen_send_IPI_mask(const struct cpumask *mask,
int vector);
extern void xen_send_IPI_mask_allbutself(const struct cpumask *mask,
diff --git a/arch/x86/xen/xen-ops.h b/arch/x86/xen/xen-ops.h
index 6d7f6318fc07..0f71ee3fe86b 100644
--- a/arch/x86/xen/xen-ops.h
+++ b/arch/x86/xen/xen-ops.h
@@ -160,4 +160,18 @@ void xen_hvm_post_suspend(int suspend_cancelled);
static inline void xen_hvm_post_suspend(int suspend_cancelled) {}
#endif

+void xen_force_evtchn_callback(void);
+pteval_t xen_pte_val(pte_t pte);
+pgdval_t xen_pgd_val(pgd_t pgd);
+pte_t xen_make_pte(pteval_t pte);
+pgd_t xen_make_pgd(pgdval_t pgd);
+pmdval_t xen_pmd_val(pmd_t pmd);
+pmd_t xen_make_pmd(pmdval_t pmd);
+pudval_t xen_pud_val(pud_t pud);
+pud_t xen_make_pud(pudval_t pud);
+p4dval_t xen_p4d_val(p4d_t p4d);
+p4d_t xen_make_p4d(p4dval_t p4d);
+pte_t xen_make_pte_init(pteval_t pte);
+void xen_start_kernel(struct start_info *si);
+
#endif /* XEN_OPS_H */
diff --git a/include/xen/xen.h b/include/xen/xen.h
index 0efeb652f9b8..f989162983c3 100644
--- a/include/xen/xen.h
+++ b/include/xen/xen.h
@@ -31,6 +31,9 @@ extern uint32_t xen_start_flags;

#include <xen/interface/hvm/start_info.h>
extern struct hvm_start_info pvh_start_info;
+void xen_prepare_pvh(void);
+struct pt_regs;
+void xen_pv_evtchn_do_upcall(struct pt_regs *regs);

#ifdef CONFIG_XEN_DOM0
#include <xen/interface/xen.h>
--
2.39.2