File valgrind.xen-4.8-versioned-xen_domctl_monitor_o... of Package valgrind

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File valgrind.xen-4.8-versioned-xen_domctl_monitor_op.patch of Package valgrind (Revision 51354a4aeb08c8031d6d411194184ed9)

Currently displaying revision 51354a4aeb08c8031d6d411194184ed9 , Show latest

From: Olaf Hering <olaf@aepfle.de>
Date: Fri, 16 Nov 2018 17:29:28 +0100
Subject: xen-4.8: versioned xen_domctl_monitor_op

Layout of xen_domctl_monitor_op changed in xen-4.8.
Copy and adjust the existing monitor_op_0000000b handler.

bz#390553
---
 coregrind/m_syswrap/syswrap-xen.c | 47 +++++++++++++++++++++++++++++++++++++++++------
 include/vki/vki-xen-domctl.h      | 22 ++++++++++++++++++++++
 2 files changed, 63 insertions(+), 6 deletions(-)

--- a/coregrind/m_syswrap/syswrap-xen.c
+++ b/coregrind/m_syswrap/syswrap-xen.c
@@ -1564,45 +1564,63 @@ PRE(domctl)
       __PRE_XEN_DOMCTL_READ(set_vcpu_msrs, vcpu_msrs, vcpu);
       __PRE_XEN_DOMCTL_READ(set_vcpu_msrs, vcpu_msrs, msr_count);
       __PRE_XEN_DOMCTL_READ(set_vcpu_msrs, vcpu_msrs, msrs);
       PRE_MEM_READ("XEN_DOMCTL_set_vcpu_msrs *u.vcpu_msrs.msrs.p",
                    (Addr)domctl->u.vcpu_msrs.msrs.p,
                    sizeof(vki_xen_domctl_vcpu_msr_t) *
                    domctl->u.vcpu_msrs.msr_count);
       break;
 
    case VKI_XEN_DOMCTL_monitor_op:
       switch (domctl->interface_version) {
       case 0x0000000b:
-      case 0x0000000c:
-      case 0x0000000d:
-      case 0x0000000e:
-      case 0x0000000f:
-      case 0x00000010:
           if (domctl->u.monitor_op_0000000b.op == VKI_XEN_DOMCTL_MONITOR_OP_ENABLE ||
               domctl->u.monitor_op_0000000b.op == VKI_XEN_DOMCTL_MONITOR_OP_DISABLE) {
              switch (domctl->u.monitor_op_0000000b.event) {
              case VKI_XEN_DOMCTL_MONITOR_EVENT_WRITE_CTRLREG:
                 __PRE_XEN_DOMCTL_READ(monitor_op, monitor_op_0000000b, u.mov_to_cr);
                 break;
              case VKI_XEN_DOMCTL_MONITOR_EVENT_MOV_TO_MSR:
                 __PRE_XEN_DOMCTL_READ(monitor_op, monitor_op_0000000b, u.mov_to_msr);
                 break;
              case VKI_XEN_DOMCTL_MONITOR_EVENT_GUEST_REQUEST:
                 __PRE_XEN_DOMCTL_READ(monitor_op, monitor_op_0000000b, u.guest_request);
                 break;
              }
           }
 
          break;
+      case 0x0000000c:
+      case 0x0000000d:
+      case 0x0000000e:
+      case 0x0000000f:
+      case 0x00000010:
+         if (domctl->u.monitor_op_0000000c.op == VKI_XEN_DOMCTL_MONITOR_OP_ENABLE ||
+            domctl->u.monitor_op_0000000c.op == VKI_XEN_DOMCTL_MONITOR_OP_DISABLE) {
+            switch (domctl->u.monitor_op_0000000c.event) {
+            case VKI_XEN_DOMCTL_MONITOR_EVENT_WRITE_CTRLREG:
+               __PRE_XEN_DOMCTL_READ(monitor_op, monitor_op_0000000c, u.mov_to_cr);
+               break;
+            case VKI_XEN_DOMCTL_MONITOR_EVENT_MOV_TO_MSR:
+               __PRE_XEN_DOMCTL_READ(monitor_op, monitor_op_0000000c, u.mov_to_msr);
+               break;
+            case VKI_XEN_DOMCTL_MONITOR_EVENT_GUEST_REQUEST:
+               __PRE_XEN_DOMCTL_READ(monitor_op, monitor_op_0000000c, u.guest_request);
+               break;
+            case VKI_XEN_DOMCTL_MONITOR_EVENT_DEBUG_EXCEPTION:
+               __PRE_XEN_DOMCTL_READ(monitor_op, monitor_op_0000000c, u.debug_exception);
+               break;
+            }
+         }
+         break;
       case 0x0000011:
       case 0x0000012:
           if (domctl->u.monitor_op_00000011.op == VKI_XEN_DOMCTL_MONITOR_OP_ENABLE ||
               domctl->u.monitor_op_00000011.op == VKI_XEN_DOMCTL_MONITOR_OP_DISABLE) {
              switch (domctl->u.monitor_op_00000011.event) {
              case VKI_XEN_DOMCTL_MONITOR_EVENT_WRITE_CTRLREG:
                 __PRE_XEN_DOMCTL_READ(monitor_op, monitor_op_00000011, u.mov_to_cr);
                 break;
              case VKI_XEN_DOMCTL_MONITOR_EVENT_MOV_TO_MSR:
                 __PRE_XEN_DOMCTL_READ(monitor_op, monitor_op_00000011, u.mov_to_msr);
                 break;
              case VKI_XEN_DOMCTL_MONITOR_EVENT_GUEST_REQUEST:
@@ -2653,25 +2671,42 @@ POST(domctl){
              switch(domctl->u.monitor_op_0000000b.event) {
              case VKI_XEN_DOMCTL_MONITOR_EVENT_WRITE_CTRLREG:
                 __POST_XEN_DOMCTL_WRITE(monitor_op, monitor_op_0000000b, u.mov_to_cr);
                 break;
              case VKI_XEN_DOMCTL_MONITOR_EVENT_MOV_TO_MSR:
                 __POST_XEN_DOMCTL_WRITE(monitor_op, monitor_op_0000000b, u.mov_to_msr);
                 break;
              case VKI_XEN_DOMCTL_MONITOR_EVENT_GUEST_REQUEST:
                 __POST_XEN_DOMCTL_WRITE(monitor_op, monitor_op_0000000b, u.guest_request);
                 break;
              }
           }
-
+         break;
+      case 0x0000000c:
+         if (domctl->u.monitor_op_0000000c.op == VKI_XEN_DOMCTL_MONITOR_OP_GET_CAPABILITIES) {
+            switch(domctl->u.monitor_op_0000000c.event) {
+            case VKI_XEN_DOMCTL_MONITOR_EVENT_WRITE_CTRLREG:
+               __POST_XEN_DOMCTL_WRITE(monitor_op, monitor_op_0000000c, u.mov_to_cr);
+               break;
+            case VKI_XEN_DOMCTL_MONITOR_EVENT_MOV_TO_MSR:
+               __POST_XEN_DOMCTL_WRITE(monitor_op, monitor_op_0000000c, u.mov_to_msr);
+               break;
+            case VKI_XEN_DOMCTL_MONITOR_EVENT_GUEST_REQUEST:
+               __POST_XEN_DOMCTL_WRITE(monitor_op, monitor_op_0000000c, u.guest_request);
+               break;
+            case VKI_XEN_DOMCTL_MONITOR_EVENT_DEBUG_EXCEPTION:
+               __POST_XEN_DOMCTL_WRITE(monitor_op, monitor_op_0000000c, u.debug_exception);
+               break;
+            }
+         }
          break;
       case 0x0000011:
           if (domctl->u.monitor_op_00000011.op == VKI_XEN_DOMCTL_MONITOR_OP_GET_CAPABILITIES) {
              switch(domctl->u.monitor_op_00000011.event) {
              case VKI_XEN_DOMCTL_MONITOR_EVENT_WRITE_CTRLREG:
                 __POST_XEN_DOMCTL_WRITE(monitor_op, monitor_op_00000011, u.mov_to_cr);
                 break;
              case VKI_XEN_DOMCTL_MONITOR_EVENT_MOV_TO_MSR:
                 __POST_XEN_DOMCTL_WRITE(monitor_op, monitor_op_00000011, u.mov_to_msr);
                 break;
              case VKI_XEN_DOMCTL_MONITOR_EVENT_GUEST_REQUEST:
                 __POST_XEN_DOMCTL_WRITE(monitor_op, monitor_op_00000011, u.guest_request);
--- a/include/vki/vki-xen-domctl.h
+++ b/include/vki/vki-xen-domctl.h
@@ -660,24 +660,45 @@ struct vki_xen_domctl_monitor_op_0000000b {
         struct {
             /* Enable the capture of an extended set of MSRs */
             vki_uint8_t extended_capture;
         } mov_to_msr;
 
         struct {
             /* Pause vCPU until response */
             vki_uint8_t sync;
         } guest_request;
     } u;
 };
 
+struct vki_xen_domctl_monitor_op_0000000c {
+    vki_uint32_t op; /* vki_xen_DOMCTL_MONITOR_OP_* */
+    vki_uint32_t event;
+    union {
+        struct {
+            vki_uint8_t index;
+            vki_uint8_t sync;
+            vki_uint8_t onchangeonly;
+        } mov_to_cr;
+        struct {
+            vki_uint32_t msr;
+        } mov_to_msr;
+        struct {
+            vki_uint8_t sync;
+        } guest_request;
+        struct {
+            vki_uint8_t sync;
+        } debug_exception;
+    } u;
+};
+
 struct vki_xen_domctl_monitor_op_00000011 {
     vki_uint32_t op; /* vki_xen_DOMCTL_MONITOR_OP_* */
 
     /*
      * When used with ENABLE/DISABLE this has to be set to
      * the requested vki_xen_DOMCTL_MONITOR_EVENT_* value.
      * With GET_CAPABILITIES this field returns a bitmap of
      * events supported by the platform, in the format
      * (1 << vki_xen_DOMCTL_MONITOR_EVENT_*).
      */
     vki_uint32_t event;
 
@@ -784,24 +805,25 @@ struct vki_xen_domctl {
         struct vki_xen_domctl_vcpu_msrs         vcpu_msrs;
 #endif
         struct vki_xen_domctl_set_access_required access_required;
         //struct vki_xen_domctl_audit_p2m         audit_p2m;
         //struct vki_xen_domctl_set_virq_handler  set_virq_handler;
         struct vki_xen_domctl_set_max_evtchn    set_max_evtchn;
         //struct vki_xen_domctl_gdbsx_memio       gdbsx_guest_memio;
         //struct vki_xen_domctl_set_broken_page_p2m set_broken_page_p2m;
         struct vki_xen_domctl_cacheflush        cacheflush;
         //struct vki_xen_domctl_gdbsx_pauseunp_vcpu gdbsx_pauseunp_vcpu;
         //struct vki_xen_domctl_gdbsx_domstatus   gdbsx_domstatus;
         struct vki_xen_domctl_monitor_op_0000000b monitor_op_0000000b;
+        struct vki_xen_domctl_monitor_op_0000000c monitor_op_0000000c;
         struct vki_xen_domctl_monitor_op_00000011 monitor_op_00000011;
         //struct vki_xen_domctl_vnuma             vnuma;
         //struct vki_xen_domctl_psr_cmt_op        psr_cmt_op;
         //struct vki_xen_domctl_psr_cat_op        psr_cat_op;
         //struct vki_xen_domctl_arm_configuredomain configuredomain;
         vki_uint8_t                         pad[128];
     } u;
 };
 
 #endif // __VKI_XEN_DOMCTL_H
 
 /*--------------------------------------------------------------------*/

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File valgrind.xen-4.8-versioned-xen_domctl_monitor_op.patch of Package valgrind (Revision 51354a4aeb08c8031d6d411194184ed9)

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