[PATCH v3 1/9] monitor: Rename vm_event_monitor_get_capabilities

* [PATCH v3 1/9] monitor: Rename vm_event_monitor_get_capabilities
@ 2016-05-04 14:51 Tamas K Lengyel
  2016-05-04 14:51 ` [PATCH v3 2/9] monitor: Don't call vm_event_fill_regs from common Tamas K Lengyel
                   ` (7 more replies)
  0 siblings, 8 replies; 31+ messages in thread
From: Tamas K Lengyel @ 2016-05-04 14:51 UTC (permalink / raw)
  To: xen-devel; +Cc: Tamas K Lengyel

The monitor_get_capabilities check actually belongs to the monitor subsystem so
relocating and renaming it to sanitize the code's name and location. Mechanical
patch, no code changes introduced.

Signed-off-by: Tamas K Lengyel <tamas@tklengyel.com>
Acked-by: Andrew Cooper <andrew.cooper3@citrix.com>
Acked-by: Razvan Cojocaru <rcojocaru@bitdefender.com>
---
Jan Beulich <jbeulich@suse.com>
Stefano Stabellini <sstabellini@kernel.org>
Julien Grall <julien.grall@arm.com>
---
 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__ */
-- 
2.8.1


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