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[PATCH v2 08/15] xen: use generated prototypes for hypercall handlers

From: Juergen Gross <jgross@xxxxxxxx>

Date: Mon, 1 Nov 2021 16:20:08 +0100

Cc: Juergen Gross <jgross@xxxxxxxx>, Jan Beulich <jbeulich@xxxxxxxx>, Andrew Cooper <andrew.cooper3@xxxxxxxxxx>, Roger Pau Monné <roger.pau@xxxxxxxxxx>, Wei Liu <wl@xxxxxxx>, George Dunlap <george.dunlap@xxxxxxxxxx>, Ian Jackson <iwj@xxxxxxxxxxxxxx>, Julien Grall <julien@xxxxxxx>, Stefano Stabellini <sstabellini@xxxxxxxxxx>

Delivery-date: Mon, 01 Nov 2021 15:20:33 +0000

List-id: Xen developer discussion <xen-devel.lists.xenproject.org>

Remove the hypercall handler's prototypes in the related header files and use the generated ones instead. Some handlers having been static before need to be made globally visible. Signed-off-by: Juergen Gross <jgross@xxxxxxxx> Acked-by: Jan Beulich <jbeulich@xxxxxxxx> --- xen/arch/x86/hvm/hypercall.c | 6 +- xen/include/asm-x86/hypercall.h | 133 ------------------------ xen/include/xen/hypercall.h | 179 +------------------------------- 3 files changed, 5 insertions(+), 313 deletions(-) diff --git a/xen/arch/x86/hvm/hypercall.c b/xen/arch/x86/hvm/hypercall.c index 9d3b193bad..85b7a33523 100644 --- a/xen/arch/x86/hvm/hypercall.c +++ b/xen/arch/x86/hvm/hypercall.c @@ -31,7 +31,7 @@ #include <public/hvm/hvm_op.h> #include <public/hvm/params.h> -static long hvm_memory_op(unsigned long cmd, XEN_GUEST_HANDLE_PARAM(void) arg) +long hvm_memory_op(unsigned long cmd, XEN_GUEST_HANDLE_PARAM(void) arg) { long rc; @@ -51,7 +51,7 @@ static long hvm_memory_op(unsigned long cmd, XEN_GUEST_HANDLE_PARAM(void) arg) } #ifdef CONFIG_GRANT_TABLE -static long hvm_grant_table_op( +long hvm_grant_table_op( unsigned int cmd, XEN_GUEST_HANDLE_PARAM(void) uop, unsigned int count) { switch ( cmd ) @@ -77,7 +77,7 @@ static long hvm_grant_table_op( } #endif -static long hvm_physdev_op(int cmd, XEN_GUEST_HANDLE_PARAM(void) arg) +long hvm_physdev_op(int cmd, XEN_GUEST_HANDLE_PARAM(void) arg) { const struct vcpu *curr = current; const struct domain *currd = curr->domain; diff --git a/xen/include/asm-x86/hypercall.h b/xen/include/asm-x86/hypercall.h index efe5963ee5..2547572ccd 100644 --- a/xen/include/asm-x86/hypercall.h +++ b/xen/include/asm-x86/hypercall.h @@ -52,104 +52,6 @@ void pv_ring3_init_hypercall_page(void *ptr); */ #define MMU_UPDATE_PREEMPTED (~(~0U>>1)) -extern long -do_event_channel_op_compat( - XEN_GUEST_HANDLE_PARAM(evtchn_op_t) uop); - -/* Legacy hypercall (as of 0x00030202). */ -extern long do_physdev_op_compat( - XEN_GUEST_HANDLE(physdev_op_t) uop); - -/* Legacy hypercall (as of 0x00030101). */ -extern long do_sched_op_compat( - int cmd, unsigned long arg); - -extern long -do_set_trap_table( - XEN_GUEST_HANDLE_PARAM(const_trap_info_t) traps); - -extern long -do_mmu_update( - XEN_GUEST_HANDLE_PARAM(mmu_update_t) ureqs, - unsigned int count, - XEN_GUEST_HANDLE_PARAM(uint) pdone, - unsigned int foreigndom); - -extern long -do_set_gdt( - XEN_GUEST_HANDLE_PARAM(xen_ulong_t) frame_list, - unsigned int entries); - -extern long -do_stack_switch( - unsigned long ss, - unsigned long esp); - -extern long -do_fpu_taskswitch( - int set); - -extern long -do_set_debugreg( - int reg, - unsigned long value); - -extern long -do_get_debugreg( - int reg); - -extern long -do_update_descriptor( - uint64_t gaddr, seg_desc_t desc); - -extern long -do_mca(XEN_GUEST_HANDLE_PARAM(xen_mc_t) u_xen_mc); - -extern long -do_update_va_mapping( - unsigned long va, - uint64_t val64, - unsigned long flags); - -extern long -do_update_va_mapping_otherdomain( - unsigned long va, - uint64_t val64, - unsigned long flags, - domid_t domid); - -extern long -do_mmuext_op( - XEN_GUEST_HANDLE_PARAM(mmuext_op_t) uops, - unsigned int count, - XEN_GUEST_HANDLE_PARAM(uint) pdone, - unsigned int foreigndom); - -extern long do_callback_op( - int cmd, XEN_GUEST_HANDLE_PARAM(const_void) arg); - -extern long -do_iret( - void); - -extern long -do_set_callbacks( - unsigned long event_address, - unsigned long failsafe_address, - unsigned long syscall_address); - -extern long -do_set_segment_base( - unsigned int which, - unsigned long base); - -long do_nmi_op(unsigned int cmd, XEN_GUEST_HANDLE_PARAM(void) arg); - -long do_xenpmu_op(unsigned int op, - XEN_GUEST_HANDLE_PARAM(xen_pmu_params_t) arg); - -long do_paging_domctl_cont(XEN_GUEST_HANDLE_PARAM(xen_domctl_t) u_domctl); - #ifdef CONFIG_COMPAT #include <compat/arch-x86/xen.h> @@ -159,41 +61,6 @@ extern int compat_common_vcpu_op( int cmd, struct vcpu *v, XEN_GUEST_HANDLE_PARAM(void) arg); -extern int compat_mmuext_op( - XEN_GUEST_HANDLE_PARAM(void) arg, - unsigned int count, - XEN_GUEST_HANDLE_PARAM(uint) pdone, - unsigned int foreigndom); - -extern int compat_callback_op( - int cmd, XEN_GUEST_HANDLE(const_void) arg); - -extern int compat_update_va_mapping( - unsigned int va, uint32_t lo, uint32_t hi, unsigned int flags); - -extern int compat_update_va_mapping_otherdomain( - unsigned int va, uint32_t lo, uint32_t hi, unsigned int flags, domid_t domid); - -DEFINE_XEN_GUEST_HANDLE(trap_info_compat_t); -extern int compat_set_trap_table(XEN_GUEST_HANDLE(trap_info_compat_t) traps); - -extern int compat_set_gdt( - XEN_GUEST_HANDLE_PARAM(uint) frame_list, unsigned int entries); - -extern int compat_update_descriptor( - uint32_t pa_lo, uint32_t pa_hi, uint32_t desc_lo, uint32_t desc_hi); - -extern int compat_iret(void); - -extern int compat_nmi_op(unsigned int cmd, XEN_GUEST_HANDLE_PARAM(void) arg); - -extern int compat_set_callbacks( - unsigned long event_selector, unsigned long event_address, - unsigned long failsafe_selector, unsigned long failsafe_address); - -DEFINE_XEN_GUEST_HANDLE(physdev_op_compat_t); -extern int compat_physdev_op_compat(XEN_GUEST_HANDLE(physdev_op_compat_t) uop); - #endif /* CONFIG_COMPAT */ #endif /* __ASM_X86_HYPERCALL_H__ */ diff --git a/xen/include/xen/hypercall.h b/xen/include/xen/hypercall.h index 9266bc86e9..cf6a3c463d 100644 --- a/xen/include/xen/hypercall.h +++ b/xen/include/xen/hypercall.h @@ -18,33 +18,19 @@ #include <asm/hypercall.h> #include <xsm/xsm.h> -extern long -do_sched_op( - int cmd, - XEN_GUEST_HANDLE_PARAM(void) arg); - -extern long -do_domctl( - XEN_GUEST_HANDLE_PARAM(xen_domctl_t) u_domctl); +/* Needs to be after asm/hypercall.h. */ +#include <xen/hypercall-defs.h> extern long arch_do_domctl( struct xen_domctl *domctl, struct domain *d, XEN_GUEST_HANDLE_PARAM(xen_domctl_t) u_domctl); -extern long -do_sysctl( - XEN_GUEST_HANDLE_PARAM(xen_sysctl_t) u_sysctl); - extern long arch_do_sysctl( struct xen_sysctl *sysctl, XEN_GUEST_HANDLE_PARAM(xen_sysctl_t) u_sysctl); -extern long -do_platform_op( - XEN_GUEST_HANDLE_PARAM(xen_platform_op_t) u_xenpf_op); - extern long pci_physdev_op( int cmd, XEN_GUEST_HANDLE_PARAM(void) arg); @@ -62,172 +48,11 @@ pci_physdev_op( #define MEMOP_EXTENT_SHIFT 6 /* cmd[:6] == start_extent */ #define MEMOP_CMD_MASK ((1 << MEMOP_EXTENT_SHIFT) - 1) -extern long -do_memory_op( - unsigned long cmd, - XEN_GUEST_HANDLE_PARAM(void) arg); - -extern long -do_multicall( - XEN_GUEST_HANDLE_PARAM(multicall_entry_t) call_list, - unsigned int nr_calls); - -extern long -do_set_timer_op( - s_time_t timeout); - -extern long -do_event_channel_op( - int cmd, XEN_GUEST_HANDLE_PARAM(void) arg); - -extern long -do_xen_version( - int cmd, - XEN_GUEST_HANDLE_PARAM(void) arg); - -extern long -do_console_io( - unsigned int cmd, - unsigned int count, - XEN_GUEST_HANDLE_PARAM(char) buffer); - -extern long -do_grant_table_op( - unsigned int cmd, - XEN_GUEST_HANDLE_PARAM(void) uop, - unsigned int count); - -extern long -do_vm_assist( - unsigned int cmd, - unsigned int type); - -extern long -do_vcpu_op( - int cmd, - unsigned int vcpuid, - XEN_GUEST_HANDLE_PARAM(void) arg); - -struct vcpu; extern long common_vcpu_op(int cmd, struct vcpu *v, XEN_GUEST_HANDLE_PARAM(void) arg); -extern long -do_hvm_op( - unsigned long op, - XEN_GUEST_HANDLE_PARAM(void) arg); - -extern long -do_kexec_op( - unsigned int op, - XEN_GUEST_HANDLE_PARAM(void) uarg); - -extern long -do_xsm_op( - XEN_GUEST_HANDLE_PARAM(void) u_xsm_op); - -long do_physdev_op(int cmd, XEN_GUEST_HANDLE_PARAM(void) arg); - -#ifdef CONFIG_ARGO -extern long do_argo_op( - unsigned int cmd, - XEN_GUEST_HANDLE_PARAM(void) arg1, - XEN_GUEST_HANDLE_PARAM(void) arg2, - unsigned long arg3, - unsigned long arg4); -#endif - -extern long -do_xenoprof_op(int op, XEN_GUEST_HANDLE_PARAM(void) arg); - -extern long -do_dm_op( - domid_t domid, - unsigned int nr_bufs, - XEN_GUEST_HANDLE_PARAM(xen_dm_op_buf_t) bufs); - -#ifdef CONFIG_HYPFS -extern long -do_hypfs_op( - unsigned int cmd, - XEN_GUEST_HANDLE_PARAM(const_char) arg1, - unsigned long arg2, - XEN_GUEST_HANDLE_PARAM(void) arg3, - unsigned long arg4); -#endif - -#ifdef CONFIG_COMPAT - -extern int -compat_memory_op( - unsigned int cmd, - XEN_GUEST_HANDLE_PARAM(void) arg); - -extern int -compat_grant_table_op( - unsigned int cmd, - XEN_GUEST_HANDLE_PARAM(void) uop, - unsigned int count); - -extern int -compat_vcpu_op( - int cmd, - unsigned int vcpuid, - XEN_GUEST_HANDLE_PARAM(void) arg); - -extern int -compat_xenoprof_op(int op, XEN_GUEST_HANDLE_PARAM(void) arg); - -extern int -compat_xen_version( - int cmd, - XEN_GUEST_HANDLE_PARAM(void) arg); - -extern int -compat_sched_op( - int cmd, - XEN_GUEST_HANDLE_PARAM(void) arg); - -extern int -compat_set_timer_op( - uint32_t lo, - int32_t hi); - -extern int compat_xsm_op( - XEN_GUEST_HANDLE_PARAM(void) op); - -extern int compat_kexec_op(unsigned int op, XEN_GUEST_HANDLE_PARAM(void) uarg); - -DEFINE_XEN_GUEST_HANDLE(multicall_entry_compat_t); -extern int compat_multicall( - XEN_GUEST_HANDLE_PARAM(multicall_entry_compat_t) call_list, - uint32_t nr_calls); - -int compat_physdev_op(int cmd, XEN_GUEST_HANDLE_PARAM(void) arg); - -typedef struct compat_platform_op compat_platform_op_t; -DEFINE_XEN_GUEST_HANDLE(compat_platform_op_t); -int compat_platform_op(XEN_GUEST_HANDLE_PARAM(compat_platform_op_t) u_xenpf_op); - -#ifdef CONFIG_ARGO -extern int compat_argo_op( - unsigned int cmd, - XEN_GUEST_HANDLE_PARAM(void) arg1, - XEN_GUEST_HANDLE_PARAM(void) arg2, - unsigned long arg3, - unsigned long arg4); -#endif - -extern int -compat_dm_op( - domid_t domid, - unsigned int nr_bufs, - XEN_GUEST_HANDLE_PARAM(void) bufs); - -#endif - void arch_get_xen_caps(xen_capabilities_info_t *info); #endif /* __XEN_HYPERCALL_H__ */ -- 2.26.2

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