From: Wei Liu <wei.liu2@citrix.com>
To: Xen-devel <xen-devel@lists.xenproject.org>
Cc: Andrew Cooper <andrew.cooper3@citrix.com>,
Wei Liu <wei.liu2@citrix.com>, Jan Beulich <JBeulich@suse.com>
Subject: [PATCH v2 09/18] x86/traps: move {un, }register_guest_nmi_callback
Date: Fri, 5 May 2017 15:48:27 +0100 [thread overview]
Message-ID: <20170505144836.8612-10-wei.liu2@citrix.com> (raw)
In-Reply-To: <20170505144836.8612-1-wei.liu2@citrix.com>
No functional change.
Signed-off-by: Wei Liu <wei.liu2@citrix.com>
---
xen/arch/x86/pv/traps.c | 37 +++++++++++++++++++++++++++++++++++++
xen/arch/x86/traps.c | 36 ------------------------------------
2 files changed, 37 insertions(+), 36 deletions(-)
diff --git a/xen/arch/x86/pv/traps.c b/xen/arch/x86/pv/traps.c
index e96123c71f..54d77922c5 100644
--- a/xen/arch/x86/pv/traps.c
+++ b/xen/arch/x86/pv/traps.c
@@ -28,6 +28,7 @@
#include <asm/apic.h>
#include <asm/debugreg.h>
+#include <asm/nmi.h>
#include <asm/shared.h>
#include <asm/traps.h>
@@ -218,6 +219,42 @@ int set_guest_nmi_trapbounce(void)
return !null_trap_bounce(v, tb);
}
+long register_guest_nmi_callback(unsigned long address)
+{
+ struct vcpu *v = current;
+ struct domain *d = v->domain;
+ struct trap_info *t = &v->arch.pv_vcpu.trap_ctxt[TRAP_nmi];
+
+ if ( !is_canonical_address(address) )
+ return -EINVAL;
+
+ t->vector = TRAP_nmi;
+ t->flags = 0;
+ t->cs = (is_pv_32bit_domain(d) ?
+ FLAT_COMPAT_KERNEL_CS : FLAT_KERNEL_CS);
+ t->address = address;
+ TI_SET_IF(t, 1);
+
+ /*
+ * If no handler was registered we can 'lose the NMI edge'. Re-assert it
+ * now.
+ */
+ if ( (v->vcpu_id == 0) && (arch_get_nmi_reason(d) != 0) )
+ v->nmi_pending = 1;
+
+ return 0;
+}
+
+long unregister_guest_nmi_callback(void)
+{
+ struct vcpu *v = current;
+ struct trap_info *t = &v->arch.pv_vcpu.trap_ctxt[TRAP_nmi];
+
+ memset(t, 0, sizeof(*t));
+
+ return 0;
+}
+
/*
* Local variables:
* mode: C
diff --git a/xen/arch/x86/traps.c b/xen/arch/x86/traps.c
index e711810388..24343f46dc 100644
--- a/xen/arch/x86/traps.c
+++ b/xen/arch/x86/traps.c
@@ -1905,42 +1905,6 @@ void __init trap_init(void)
open_softirq(PCI_SERR_SOFTIRQ, pci_serr_softirq);
}
-long register_guest_nmi_callback(unsigned long address)
-{
- struct vcpu *v = current;
- struct domain *d = v->domain;
- struct trap_info *t = &v->arch.pv_vcpu.trap_ctxt[TRAP_nmi];
-
- if ( !is_canonical_address(address) )
- return -EINVAL;
-
- t->vector = TRAP_nmi;
- t->flags = 0;
- t->cs = (is_pv_32bit_domain(d) ?
- FLAT_COMPAT_KERNEL_CS : FLAT_KERNEL_CS);
- t->address = address;
- TI_SET_IF(t, 1);
-
- /*
- * If no handler was registered we can 'lose the NMI edge'. Re-assert it
- * now.
- */
- if ( (v->vcpu_id == 0) && (arch_get_nmi_reason(d) != 0) )
- v->nmi_pending = 1;
-
- return 0;
-}
-
-long unregister_guest_nmi_callback(void)
-{
- struct vcpu *v = current;
- struct trap_info *t = &v->arch.pv_vcpu.trap_ctxt[TRAP_nmi];
-
- memset(t, 0, sizeof(*t));
-
- return 0;
-}
-
int guest_has_trap_callback(struct domain *d, uint16_t vcpuid, unsigned int trap_nr)
{
struct vcpu *v;
--
2.11.0
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next prev parent reply other threads:[~2017-05-05 14:48 UTC|newest]
Thread overview: 30+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-05-05 14:48 [PATCH v2 00/18] Refactor x86 trap handling code Wei Liu
2017-05-05 14:48 ` [PATCH v2 01/18] x86/traps: factor out pv_percpu_traps_init Wei Liu
2017-05-05 16:12 ` Andrew Cooper
2017-05-12 12:00 ` Wei Liu
2017-05-05 14:48 ` [PATCH v2 02/18] x86/traps: export trapstr Wei Liu
2017-05-05 14:48 ` [PATCH v2 03/18] x86/traps: lift do_guest_trap to domain.h Wei Liu
2017-05-12 18:16 ` Andrew Cooper
2017-05-12 18:26 ` Andrew Cooper
2017-05-15 7:50 ` Jan Beulich
2017-05-05 14:48 ` [PATCH v2 04/18] x86/traps: move all PV emulation code to pv/emulate_ops.h Wei Liu
2017-05-11 10:18 ` Andrew Cooper
2017-05-12 12:00 ` Wei Liu
2017-05-05 14:48 ` [PATCH v2 05/18] x86/pv: clean up emulate_ops.c Wei Liu
2017-05-11 11:22 ` Andrew Cooper
2017-05-12 12:02 ` Wei Liu
2017-05-12 12:03 ` Wei Liu
2017-05-05 14:48 ` [PATCH v2 06/18] x86/traps: move PV hypercall handlers to pv/traps.c Wei Liu
2017-05-05 14:48 ` [PATCH v2 07/18] x86/traps: move pv_inject_event " Wei Liu
2017-05-05 14:48 ` [PATCH v2 08/18] x86/traps: move set_guest_{machinecheck, nmi}_trapbounce Wei Liu
2017-05-05 14:48 ` Wei Liu [this message]
2017-05-05 14:48 ` [PATCH v2 10/18] x86/traps: delcare percpu softirq_trap Wei Liu
2017-05-05 14:48 ` [PATCH v2 11/18] x86/traps: move guest_has_trap_callback to pv/traps.c Wei Liu
2017-05-05 14:48 ` [PATCH v2 12/18] x86/traps: move send_guest_trap " Wei Liu
2017-05-05 14:48 ` [PATCH v2 13/18] x86/traps: move PV specific code in x86_64/traps.c Wei Liu
2017-05-05 14:48 ` [PATCH v2 14/18] x86/traps: merge x86_64/compat/traps.c into pv/traps.c Wei Liu
2017-05-05 14:48 ` [PATCH v2 15/18] x86: clean up pv/traps.c Wei Liu
2017-05-05 14:48 ` [PATCH v2 16/18] x86: guest_has_trap_callback should return bool Wei Liu
2017-05-05 14:48 ` [PATCH v2 17/18] x86: fix coding style issues in asm-x86/traps.h Wei Liu
2017-05-05 14:48 ` [PATCH v2 18/18] x86: clean up traps.c Wei Liu
2017-05-09 10:50 ` [PATCH v2 00/18] Refactor x86 trap handling code Andrew Cooper
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