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File valgrind.xen-4.12-implement-domctl-get_cpu_policy.patch of Package valgrind (Revision 3046fe156231d1a9c8db9a7320f7831b)

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From: Olaf Hering <olaf@aepfle.de>
Date: Fri, 7 Feb 2020 19:25:34 +0100
Subject: xen-4.12: implement domctl get_cpu_policy

Handle XEN_DOMCTL_get_cpu_policy

bz#390553
---
 coregrind/m_syswrap/syswrap-xen.c | 23 +++++++++++++++++++++++
 include/vki/vki-xen-domctl.h      |  9 +++++++++
 2 files changed, 32 insertions(+)

--- a/coregrind/m_syswrap/syswrap-xen.c
+++ b/coregrind/m_syswrap/syswrap-xen.c
@@ -1782,24 +1782,33 @@ PRE(domctl)
                 break;
              }
           }
          break;
       }
       break;
 
    case VKI_XEN_DOMCTL_set_gnttab_limits:
       PRE_XEN_DOMCTL_READ(set_gnttab_limits_0000000e, grant_frames);
       PRE_XEN_DOMCTL_READ(set_gnttab_limits_0000000e, maptrack_frames);
       break;
 
+   case VKI_XEN_DOMCTL_get_cpu_policy:
+      switch (domctl->interface_version) {
+      case 0x00000011:
+         PRE_XEN_DOMCTL_READ(cpu_policy_00000011, nr_leaves);
+         PRE_XEN_DOMCTL_READ(cpu_policy_00000011, nr_msrs);
+         break;
+      }
+      break;
+
    default:
       bad_subop(tid, layout, arrghs, status, flags,
                 "__HYPERVISOR_domctl", domctl->cmd);
       break;
    }
 #undef PRE_XEN_DOMCTL_READ
 #undef __PRE_XEN_DOMCTL_READ
 }
 
 PRE(hvm_op)
 {
    unsigned long op = ARG1;
@@ -2972,24 +2981,38 @@ POST(domctl){
              case VKI_XEN_DOMCTL_MONITOR_EVENT_GUEST_REQUEST:
                 __POST_XEN_DOMCTL_WRITE(monitor_op, monitor_op_00000010, u.guest_request);
                 break;
             case VKI_XEN_DOMCTL_MONITOR_EVENT_DEBUG_EXCEPTION:
                __POST_XEN_DOMCTL_WRITE(monitor_op, monitor_op_00000010, u.debug_exception);
                break;
              }
           }
 
          break;
       }
       break;
+   case VKI_XEN_DOMCTL_get_cpu_policy:
+      switch (domctl->interface_version) {
+      case 0x00000011:
+         POST_XEN_DOMCTL_WRITE(cpu_policy_00000011, nr_leaves);
+         POST_XEN_DOMCTL_WRITE(cpu_policy_00000011, nr_msrs);
+         if (domctl->u.cpu_policy_00000011.cpuid_policy.p)
+            POST_MEM_WRITE((Addr)domctl->u.cpu_policy_00000011.cpuid_policy.p,
+                           domctl->u.cpu_policy_00000011.nr_leaves);
+         if (domctl->u.cpu_policy_00000011.msr_policy.p)
+            POST_MEM_WRITE((Addr)domctl->u.cpu_policy_00000011.msr_policy.p,
+                           domctl->u.cpu_policy_00000011.nr_msrs);
+         break;
+      }
+      break;
    }
 
 #undef POST_XEN_DOMCTL_WRITE
 #undef __POST_XEN_DOMCTL_WRITE
 }
 
 POST(hvm_op)
 {
    unsigned long op = ARG1;
    void *arg = (void *)(unsigned long)ARG2;
 
 #define __POST_XEN_HVMOP_WRITE(_hvm_op, _type, _field)  \
--- a/include/vki/vki-xen-domctl.h
+++ b/include/vki/vki-xen-domctl.h
@@ -125,24 +125,25 @@
 #define VKI_XEN_DOMCTL_set_max_evtchn                70
 #define VKI_XEN_DOMCTL_cacheflush                    71
 #define VKI_XEN_DOMCTL_get_vcpu_msrs                 72
 #define VKI_XEN_DOMCTL_set_vcpu_msrs                 73
 #define VKI_XEN_DOMCTL_setvnumainfo                  74
 #define VKI_XEN_DOMCTL_psr_cmt_op                    75
 #define VKI_XEN_DOMCTL_arm_configure_domain          76
 #define VKI_XEN_DOMCTL_monitor_op                    77 /* new in 4.6 */
 #define VKI_XEN_DOMCTL_psr_cat_op                    78
 #define VKI_XEN_DOMCTL_soft_reset                    79
 #define VKI_XEN_DOMCTL_set_gnttab_limits             80
 #define VKI_XEN_DOMCTL_vuart_op                      81
+#define VKI_XEN_DOMCTL_get_cpu_policy                82
 #define VKI_XEN_DOMCTL_gdbsx_guestmemio            1000
 #define VKI_XEN_DOMCTL_gdbsx_pausevcpu             1001
 #define VKI_XEN_DOMCTL_gdbsx_unpausevcpu           1002
 #define VKI_XEN_DOMCTL_gdbsx_domstatus             1003
 
 struct vki_xen_domctl_createdomain_00000004 {
     /* IN parameters */
     vki_uint32_t ssidref;
     vki_xen_domain_handle_t handle;
     vki_uint32_t flags;
 };
 
@@ -781,24 +782,31 @@ struct vki_xen_domctl_monitor_op_00000010 {
         } guest_request;
         struct {
             vki_uint8_t sync;
         } debug_exception;
     } u;
 };
 
 struct vki_xen_domctl_set_gnttab_limits_0000000e {
     vki_uint32_t grant_frames;
     vki_uint32_t maptrack_frames;
 };
 
+struct vki_xen_domctl_cpu_policy_00000011 {
+    vki_uint32_t nr_leaves;
+    vki_uint32_t nr_msrs;
+    VKI_XEN_GUEST_HANDLE_64(vki_xen_cpuid_leaf_00000012_t) cpuid_policy;
+    VKI_XEN_GUEST_HANDLE_64(vki_xen_msr_entry_00000012_t) msr_policy;
+};
+
 struct vki_xen_domctl {
     vki_uint32_t cmd;
     vki_uint32_t interface_version; /* XEN_DOMCTL_INTERFACE_VERSION */
     vki_xen_domid_t  domain;
     union {
         struct vki_xen_domctl_createdomain_00000004  createdomain_00000004;
         struct vki_xen_domctl_createdomain_0000000b  createdomain_0000000b;
         struct vki_xen_domctl_createdomain_0000000c  createdomain_0000000c;
         struct vki_xen_domctl_getdomaininfo_00000007 getdomaininfo_00000007;
         struct vki_xen_domctl_getdomaininfo_00000008 getdomaininfo_00000008;
         struct vki_xen_domctl_getdomaininfo_00000009 getdomaininfo_00000009;
         struct vki_xen_domctl_getdomaininfo_0000000f getdomaininfo_0000000f;
@@ -865,21 +873,22 @@ struct vki_xen_domctl {
         //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_0000000e monitor_op_0000000e;
         struct vki_xen_domctl_monitor_op_00000010 monitor_op_00000010;
         //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;
         struct vki_xen_domctl_set_gnttab_limits_0000000e set_gnttab_limits_0000000e;
         //struct vki_xen_domctl_vuart_op          vuart_op;
+        struct vki_xen_domctl_cpu_policy_00000011 cpu_policy_00000011;
         vki_uint8_t                         pad[128];
     } u;
 };
 
 #endif // __VKI_XEN_DOMCTL_H
 
 /*--------------------------------------------------------------------*/
 /*--- end                                                          ---*/
 /*--------------------------------------------------------------------*/

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File valgrind.xen-4.12-implement-domctl-get_cpu_policy.patch of Package valgrind (Revision 3046fe156231d1a9c8db9a7320f7831b)

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