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Re: [Xen-devel] [PATCH] monitor: Rename vm_event_monitor_get_capabilities to arch_monitor_get_capabilities
Hello Tamas,
On 14/04/16 17:33, Tamas K Lengyel wrote:
The monitor_get_capabilities check actually belongs to the monitor subsystem so
relocating and renaming it to sanitize the code's name and location.
Signed-off-by: Tamas K Lengyel <tamas@xxxxxxxxxxxxx>
Cc: Razvan Cojocaru <rcojocaru@xxxxxxxxxxxxxxx>
Cc: Keir Fraser <keir@xxxxxxx>
Cc: Jan Beulich <jbeulich@xxxxxxxx>
Cc: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
Cc: Stefano Stabellini <stefano.stabellini@xxxxxxxxxx>
Cc: Julien Grall <julien.grall@xxxxxxx>
For the ARM bits:
Acked-by: Julien Grall <julien.grall@xxxxxxx>
Regards,
---
xen/arch/x86/monitor.c | 2 +-
xen/common/monitor.c | 5 ++---
xen/include/asm-arm/monitor.h | 11 ++++++++++-
xen/include/asm-arm/vm_event.h | 9 ---------
xen/include/asm-x86/monitor.h | 23 +++++++++++++++++++++++
xen/include/asm-x86/vm_event.h | 23 -----------------------
6 files changed, 36 insertions(+), 37 deletions(-)
diff --git a/xen/arch/x86/monitor.c b/xen/arch/x86/monitor.c
index 1fec412..621f91a 100644
--- a/xen/arch/x86/monitor.c
+++ b/xen/arch/x86/monitor.c
@@ -126,7 +126,7 @@ int arch_monitor_domctl_event(struct domain *d,
default:
/*
- * Should not be reached unless vm_event_monitor_get_capabilities() is
+ * Should not be reached unless arch_monitor_get_capabilities() is
* not properly implemented.
*/
ASSERT_UNREACHABLE();
diff --git a/xen/common/monitor.c b/xen/common/monitor.c
index d950a7c..7c3d1c8 100644
--- a/xen/common/monitor.c
+++ b/xen/common/monitor.c
@@ -24,7 +24,6 @@
#include <xsm/xsm.h>
#include <public/domctl.h>
#include <asm/monitor.h>
-#include <asm/vm_event.h>
int monitor_domctl(struct domain *d, struct xen_domctl_monitor_op *mop)
{
@@ -48,12 +47,12 @@ int monitor_domctl(struct domain *d, struct
xen_domctl_monitor_op *mop)
if ( unlikely(mop->event > 31) )
return -EINVAL;
/* Check if event type is available. */
- if ( unlikely(!(vm_event_monitor_get_capabilities(d) & (1U <<
mop->event))) )
+ if ( unlikely(!(arch_monitor_get_capabilities(d) & (1U <<
mop->event))) )
return -EOPNOTSUPP;
break;
case XEN_DOMCTL_MONITOR_OP_GET_CAPABILITIES:
- mop->event = vm_event_monitor_get_capabilities(d);
+ mop->event = arch_monitor_get_capabilities(d);
return 0;
default:
diff --git a/xen/include/asm-arm/monitor.h b/xen/include/asm-arm/monitor.h
index 6e36e99..3fd3c9d 100644
--- a/xen/include/asm-arm/monitor.h
+++ b/xen/include/asm-arm/monitor.h
@@ -39,11 +39,20 @@ int arch_monitor_domctl_event(struct domain *d,
/*
* No arch-specific monitor vm-events on ARM.
*
- * Should not be reached unless vm_event_monitor_get_capabilities() is not
+ * Should not be reached unless arch_monitor_get_capabilities() is not
* properly implemented.
*/
ASSERT_UNREACHABLE();
return -EOPNOTSUPP;
}
+static inline uint32_t arch_monitor_get_capabilities(struct domain *d)
+{
+ uint32_t capabilities = 0;
+
+ capabilities = (1U << XEN_DOMCTL_MONITOR_EVENT_GUEST_REQUEST);
+
+ return capabilities;
+}
+
#endif /* __ASM_ARM_MONITOR_H__ */
diff --git a/xen/include/asm-arm/vm_event.h b/xen/include/asm-arm/vm_event.h
index 014d9ba..a3fc4ce 100644
--- a/xen/include/asm-arm/vm_event.h
+++ b/xen/include/asm-arm/vm_event.h
@@ -59,13 +59,4 @@ static inline void vm_event_fill_regs(vm_event_request_t
*req)
/* Not supported on ARM. */
}
-static inline uint32_t vm_event_monitor_get_capabilities(struct domain *d)
-{
- uint32_t capabilities = 0;
-
- capabilities = (1U << XEN_DOMCTL_MONITOR_EVENT_GUEST_REQUEST);
-
- return capabilities;
-}
-
#endif /* __ASM_ARM_VM_EVENT_H__ */
diff --git a/xen/include/asm-x86/monitor.h b/xen/include/asm-x86/monitor.h
index 0954b59..446b2af 100644
--- a/xen/include/asm-x86/monitor.h
+++ b/xen/include/asm-x86/monitor.h
@@ -50,4 +50,27 @@ int arch_monitor_domctl_op(struct domain *d, struct
xen_domctl_monitor_op *mop)
int arch_monitor_domctl_event(struct domain *d,
struct xen_domctl_monitor_op *mop);
+static inline uint32_t arch_monitor_get_capabilities(struct domain *d)
+{
+ uint32_t capabilities = 0;
+
+ /*
+ * At the moment only Intel HVM domains are supported. However, event
+ * delivery could be extended to AMD and PV domains.
+ */
+ if ( !is_hvm_domain(d) || !cpu_has_vmx )
+ return capabilities;
+
+ capabilities = (1U << XEN_DOMCTL_MONITOR_EVENT_WRITE_CTRLREG) |
+ (1U << XEN_DOMCTL_MONITOR_EVENT_MOV_TO_MSR) |
+ (1U << XEN_DOMCTL_MONITOR_EVENT_SOFTWARE_BREAKPOINT) |
+ (1U << XEN_DOMCTL_MONITOR_EVENT_GUEST_REQUEST);
+
+ /* Since we know this is on VMX, we can just call the hvm func */
+ if ( hvm_is_singlestep_supported() )
+ capabilities |= (1U << XEN_DOMCTL_MONITOR_EVENT_SINGLESTEP);
+
+ return capabilities;
+}
+
#endif /* __ASM_X86_MONITOR_H__ */
diff --git a/xen/include/asm-x86/vm_event.h b/xen/include/asm-x86/vm_event.h
index 0470240..026f42e 100644
--- a/xen/include/asm-x86/vm_event.h
+++ b/xen/include/asm-x86/vm_event.h
@@ -44,27 +44,4 @@ void vm_event_set_registers(struct vcpu *v,
vm_event_response_t *rsp);
void vm_event_fill_regs(vm_event_request_t *req);
-static inline uint32_t vm_event_monitor_get_capabilities(struct domain *d)
-{
- uint32_t capabilities = 0;
-
- /*
- * At the moment only Intel HVM domains are supported. However, event
- * delivery could be extended to AMD and PV domains.
- */
- if ( !is_hvm_domain(d) || !cpu_has_vmx )
- return capabilities;
-
- capabilities = (1U << XEN_DOMCTL_MONITOR_EVENT_WRITE_CTRLREG) |
- (1U << XEN_DOMCTL_MONITOR_EVENT_MOV_TO_MSR) |
- (1U << XEN_DOMCTL_MONITOR_EVENT_SOFTWARE_BREAKPOINT) |
- (1U << XEN_DOMCTL_MONITOR_EVENT_GUEST_REQUEST);
-
- /* Since we know this is on VMX, we can just call the hvm func */
- if ( hvm_is_singlestep_supported() )
- capabilities |= (1U << XEN_DOMCTL_MONITOR_EVENT_SINGLESTEP);
-
- return capabilities;
-}
-
#endif /* __ASM_X86_VM_EVENT_H__ */
--
Julien Grall
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