... as far as we presently use them in the codebase.
Signed-off-by: Jan Beulich <[email protected]>
---
Or should we make both parts proper featureset elements? At least
APERFMPERF could likely be made visible to guests (in principle).
---
v2: Use bool and unions.
--- a/xen/include/xen/lib/x86/cpu-policy.h
+++ b/xen/include/xen/lib/x86/cpu-policy.h
@@ -121,7 +121,46 @@ struct cpu_policy
uint64_t :64, :64; /* Leaf 0x3 - PSN. */
uint64_t :64, :64; /* Leaf 0x4 - Structured Cache. */
uint64_t :64, :64; /* Leaf 0x5 - MONITOR. */
- uint64_t :64, :64; /* Leaf 0x6 - Therm/Perf. */
+
+ /* Leaf 0x6 - Therm/Perf. */
+ union {
+ uint32_t _6a;
+ struct {
+ bool :1,
+ turbo:1,
+ arat:1,
+ :1,
+ :1,
+ :1,
+ :1,
+ hwp:1,
+ hwp_notification:1,
+ hwp_activity_window:1,
+ hwp_epp:1,
+ hwp_plr:1,
+ :1,
+ hdc:1,
+ :1,
+ :1,
+ hwp_peci:1,
+ :1,
+ :1,
+ hw_feedback:1;
+ };
+ };
+ union {
+ uint32_t _6b;
+ };
+ union {
+ uint32_t _6c;
+ struct {
+ bool aperfmperf:1;
+ };
+ };
+ union {
+ uint32_t _6d;
+ };
+
uint64_t :64, :64; /* Leaf 0x7 - Structured Features. */
uint64_t :64, :64; /* Leaf 0x8 - rsvd */
uint64_t :64, :64; /* Leaf 0x9 - DCA */
