This patch implements get value domctl interface for MBA.
Signed-off-by: Yi Sun <[email protected]>
Reviewed-by: Roger Pau Monné <[email protected]>
Acked-by: Jan Beulich <[email protected]>
---
CC: Andrew Cooper <[email protected]>
CC: Jan Beulich <[email protected]>
CC: Wei Liu <[email protected]>
CC: Roger Pau Monné <[email protected]>
CC: Chao Peng <[email protected]>
v5:
- use newly defined macro to get MBA thrtl.
(suggested by Roger Pau Monné)
v4:
- remove 'ALLOC_' from macro names.
(suggested by Roger Pau Monné)
v3:
- change 'PSR_VAL_TYPE_MBA' to 'PSR_TYPE_MBA_THRTL'.
(suggested by Roger Pau Monné)
---
xen/arch/x86/domctl.c | 4 ++++
xen/include/public/domctl.h | 1 +
2 files changed, 5 insertions(+)
diff --git a/xen/arch/x86/domctl.c b/xen/arch/x86/domctl.c
index 628c6b8..75e5e35 100644
--- a/xen/arch/x86/domctl.c
+++ b/xen/arch/x86/domctl.c
@@ -1531,6 +1531,10 @@ long arch_do_domctl(
ret = domctl_psr_get_val(d, domctl, PSR_TYPE_L2_CBM, copyback);
break;
+ case XEN_DOMCTL_PSR_GET_MBA_THRTL:
+ ret = domctl_psr_get_val(d, domctl, PSR_TYPE_MBA_THRTL, copyback);
+ break;
+
#undef domctl_psr_get_val
default:
diff --git a/xen/include/public/domctl.h b/xen/include/public/domctl.h
index eaff9b3..44cf0b5 100644
--- a/xen/include/public/domctl.h
+++ b/xen/include/public/domctl.h
@@ -1074,6 +1074,7 @@ struct xen_domctl_psr_alloc {
#define XEN_DOMCTL_PSR_GET_L3_DATA 5
#define XEN_DOMCTL_PSR_SET_L2_CBM 6
#define XEN_DOMCTL_PSR_GET_L2_CBM 7
+#define XEN_DOMCTL_PSR_GET_MBA_THRTL 9
uint32_t cmd; /* IN: XEN_DOMCTL_PSR_* */
uint32_t target; /* IN */
uint64_t data; /* IN/OUT */
--
1.9.1
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