[PATCH 3/6] x86: Define some Intel vPMU leafs

[Teddy Astie]

Signed-off-by: Teddy Astie <teddy.as...@vates.tech>
---
 xen/arch/x86/cpu/vpmu_intel.c        |  4 ++--
 xen/arch/x86/domain.c                |  2 +-
 xen/include/xen/lib/x86/cpu-policy.h | 10 +++++++++-
 3 files changed, 12 insertions(+), 4 deletions(-)

diff --git a/xen/arch/x86/cpu/vpmu_intel.c b/xen/arch/x86/cpu/vpmu_intel.c
index 1e3b06ef8e..f43faf9567 100644
--- a/xen/arch/x86/cpu/vpmu_intel.c
+++ b/xen/arch/x86/cpu/vpmu_intel.c
@@ -818,8 +818,8 @@ static int cf_check core2_vpmu_initialise(struct vcpu *v)
     u64 msr_content;
     static bool ds_warned;
 
-    if ( v->domain->arch.cpuid->basic.pmu_version <= 1 ||
-         v->domain->arch.cpuid->basic.pmu_version >= 6 )
+    if ( v->domain->arch.cpuid->basic.pmu.version <= 1 ||
+         v->domain->arch.cpuid->basic.pmu.version >= 6 )
         return -EINVAL;
 
     if ( (arch_pmc_cnt + fixed_pmc_cnt) == 0 )
diff --git a/xen/arch/x86/domain.c b/xen/arch/x86/domain.c
index e658c2d647..5762b38fce 100644
--- a/xen/arch/x86/domain.c
+++ b/xen/arch/x86/domain.c
@@ -458,7 +458,7 @@ void domain_cpu_policy_changed(struct domain *d)
 
         /* If PMU version is zero then the guest doesn't have VPMU */
         if ( boot_cpu_data.x86_vendor == X86_VENDOR_INTEL &&
-             p->basic.pmu_version == 0 )
+             p->basic.pmu.version == 0 )
             vpmu_destroy(v);
     }
 }
diff --git a/xen/include/xen/lib/x86/cpu-policy.h 
b/xen/include/xen/lib/x86/cpu-policy.h
index d29e380359..9161e2ad8d 100644
--- a/xen/include/xen/lib/x86/cpu-policy.h
+++ b/xen/include/xen/lib/x86/cpu-policy.h
@@ -162,7 +162,15 @@ struct cpu_policy
             uint64_t :64, :64; /* Leaf 0x9 - DCA */
 
             /* Leaf 0xa - Intel PMU. */
-            uint8_t pmu_version, _pmu[15];
+            struct {
+                uint8_t /* a */ version, num_gp_ctrs, gp_ctr_width,
+                                event_enum_length;
+                uint32_t /* b */:32;
+                uint32_t /* c */ fixed_ctr_mask;
+                uint32_t /* d */ num_fixed_ctr:5, fixed_ctr_width:8, :1,
+                                 anythread_depreciation:1, slots_per_cyc:4,
+                                 :13;
+            } pmu;
 
             uint64_t :64, :64; /* Leaf 0xb - Topology. */
             uint64_t :64, :64; /* Leaf 0xc - rsvd */
-- 
2.53.0



--
Teddy Astie | Vates XCP-ng Developer

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web: https://vates.tech