Indent goto labels by one space
Inline (header) altp2m functions
Define default behavior in switch
Define max and min for range of altp2m macroed values
Signed-off-by: Paul Lai
---
xen/arch/x86/hvm/hvm.c| 46 ---
xen/include/asm-x86/hvm/hvm.h | 19 +++---
2 files changed, 37 insertions(+), 28 deletions(-)
diff --git a/xen/arch/x86/hvm/hvm.c b/xen/arch/x86/hvm/hvm.c
index 893eff6..1995fa4 100644
--- a/xen/arch/x86/hvm/hvm.c
+++ b/xen/arch/x86/hvm/hvm.c
@@ -1932,11 +1932,11 @@ int hvm_hap_nested_page_fault(paddr_t gpa, unsigned
long gla,
* Otherwise, this is an error condition. */
rc = fall_through;
-out_put_gfn:
+ out_put_gfn:
__put_gfn(p2m, gfn);
if ( ap2m_active )
__put_gfn(hostp2m, gfn);
-out:
+ out:
/* All of these are delayed until we exit, since we might
* sleep on event ring wait queues, and we must not hold
* locks in such circumstance */
@@ -5213,12 +5213,25 @@ static int do_altp2m_op(
return -EFAULT;
if ( a.pad1 || a.pad2 ||
- (a.version != HVMOP_ALTP2M_INTERFACE_VERSION) ||
- (a.cmd < HVMOP_altp2m_get_domain_state) ||
- (a.cmd > HVMOP_altp2m_change_gfn) )
+(a.version != HVMOP_ALTP2M_INTERFACE_VERSION) )
return -EINVAL;
-d = (a.cmd != HVMOP_altp2m_vcpu_enable_notify) ?
+switch( a.cmd )
+{
+case HVMOP_altp2m_get_domain_state:
+case HVMOP_altp2m_set_domain_state:
+case HVMOP_altp2m_vcpu_enable_notify:
+case HVMOP_altp2m_create_p2m:
+case HVMOP_altp2m_destroy_p2m:
+case HVMOP_altp2m_switch_p2m:
+case HVMOP_altp2m_set_mem_access:
+case HVMOP_altp2m_change_gfn:
+break;
+default:
+return -ENOSYS;
+}
+
+d = ( a.cmd != HVMOP_altp2m_vcpu_enable_notify ) ?
rcu_lock_domain_by_any_id(a.domain) : rcu_lock_current_domain();
if ( d == NULL )
@@ -5335,6 +5348,8 @@ static int do_altp2m_op(
rc = p2m_change_altp2m_gfn(d, a.u.change_gfn.view,
_gfn(a.u.change_gfn.old_gfn),
_gfn(a.u.change_gfn.new_gfn));
+default:
+return -EINVAL;
}
out:
@@ -5859,25 +5874,6 @@ void hvm_toggle_singlestep(struct vcpu *v)
v->arch.hvm_vcpu.single_step = !v->arch.hvm_vcpu.single_step;
}
-void altp2m_vcpu_update_p2m(struct vcpu *v)
-{
-if ( hvm_funcs.altp2m_vcpu_update_p2m )
-hvm_funcs.altp2m_vcpu_update_p2m(v);
-}
-
-void altp2m_vcpu_update_vmfunc_ve(struct vcpu *v)
-{
-if ( hvm_funcs.altp2m_vcpu_update_vmfunc_ve )
-hvm_funcs.altp2m_vcpu_update_vmfunc_ve(v);
-}
-
-bool_t altp2m_vcpu_emulate_ve(struct vcpu *v)
-{
-if ( hvm_funcs.altp2m_vcpu_emulate_ve )
-return hvm_funcs.altp2m_vcpu_emulate_ve(v);
-return 0;
-}
-
int hvm_set_mode(struct vcpu *v, int mode)
{
diff --git a/xen/include/asm-x86/hvm/hvm.h b/xen/include/asm-x86/hvm/hvm.h
index 314881a..07109b7 100644
--- a/xen/include/asm-x86/hvm/hvm.h
+++ b/xen/include/asm-x86/hvm/hvm.h
@@ -589,13 +589,26 @@ static inline bool_t hvm_altp2m_supported(void)
}
/* updates the current hardware p2m */
-void altp2m_vcpu_update_p2m(struct vcpu *v);
+static inline void altp2m_vcpu_update_p2m(struct vcpu *v)
+{
+if ( hvm_funcs.altp2m_vcpu_update_p2m )
+hvm_funcs.altp2m_vcpu_update_p2m(v);
+}
/* updates VMCS fields related to VMFUNC and #VE */
-void altp2m_vcpu_update_vmfunc_ve(struct vcpu *v);
+static inline void altp2m_vcpu_update_vmfunc_ve(struct vcpu *v)
+{
+if ( hvm_funcs.altp2m_vcpu_update_vmfunc_ve )
+hvm_funcs.altp2m_vcpu_update_vmfunc_ve(v);
+}
/* emulates #VE */
-bool_t altp2m_vcpu_emulate_ve(struct vcpu *v);
+static inline bool_t altp2m_vcpu_emulate_ve(struct vcpu *v)
+{
+if ( hvm_funcs.altp2m_vcpu_emulate_ve )
+return hvm_funcs.altp2m_vcpu_emulate_ve(v);
+return 0;
+}
/* Check CR4/EFER values */
const char *hvm_efer_valid(const struct vcpu *v, uint64_t value,
--
2.7.4
___
Xen-devel mailing list
Xen-devel@lists.xen.org
https://lists.xen.org/xen-devel