[Xen-devel] [PATCH v2 06/15] x86: implement get value interface for MBA

[Yi Sun <yi.y.sun@xxxxxxxxxxxxxxx>]

This patch implements get value domctl interface for MBA.

Signed-off-by: Yi Sun <yi.y.sun@xxxxxxxxxxxxxxx>
---
 xen/arch/x86/domctl.c       | 7 +++++++
 xen/include/public/domctl.h | 1 +
 2 files changed, 8 insertions(+)

diff --git a/xen/arch/x86/domctl.c b/xen/arch/x86/domctl.c
index e1c7c70..4936bcb 100644
--- a/xen/arch/x86/domctl.c
+++ b/xen/arch/x86/domctl.c
@@ -1496,6 +1496,13 @@ long arch_do_domctl(
             copyback = true;
             break;
 
+        case XEN_DOMCTL_PSR_MBA_OP_GET_THRTL:
+            ret = psr_get_val(d, domctl->u.psr_alloc_op.target,
+                              &val32, PSR_VAL_TYPE_MBA);
+            domctl->u.psr_alloc_op.data = val32;
+            copyback = true;
+            break;
+
         default:
             ret = -EOPNOTSUPP;
             break;
diff --git a/xen/include/public/domctl.h b/xen/include/public/domctl.h
index 4bb4399..a577a3e 100644
--- a/xen/include/public/domctl.h
+++ b/xen/include/public/domctl.h
@@ -1144,6 +1144,7 @@ struct xen_domctl_psr_alloc_op {
 #define XEN_DOMCTL_PSR_CAT_OP_GET_L3_DATA    5
 #define XEN_DOMCTL_PSR_CAT_OP_SET_L2_CBM     6
 #define XEN_DOMCTL_PSR_CAT_OP_GET_L2_CBM     7
+#define XEN_DOMCTL_PSR_MBA_OP_GET_THRTL      9
     uint32_t cmd;       /* IN: XEN_DOMCTL_PSR_CAT_OP_* */
     uint32_t target;    /* IN */
     uint64_t data;      /* IN/OUT */
-- 
1.9.1


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