[Xen-devel] [PATCH v3 13/15] x86: Add L2 CAT interfaces in domctl.

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

This patch adds L2 CAT interfaces to get/set CBM in domctl.

Signed-off-by: He Chen <he.chen@xxxxxxxxxxxxxxx>
Signed-off-by: Yi Sun <yi.y.sun@xxxxxxxxxxxxxxx>
---
 xen/arch/x86/domctl.c       | 13 +++++++++++++
 xen/include/public/domctl.h |  2 ++
 2 files changed, 15 insertions(+)

diff --git a/xen/arch/x86/domctl.c b/xen/arch/x86/domctl.c
index 8e5502a..81f05d7 100644
--- a/xen/arch/x86/domctl.c
+++ b/xen/arch/x86/domctl.c
@@ -1424,6 +1424,19 @@ long arch_do_domctl(
             copyback = 1;
             break;
 
+        case XEN_DOMCTL_PSR_CAT_OP_SET_L2_CBM:
+            ret = psr_set_val(d, domctl->u.psr_cat_op.target,
+                              domctl->u.psr_cat_op.data,
+                              PSR_CBM_TYPE_L2);
+            break;
+
+        case XEN_DOMCTL_PSR_CAT_OP_GET_L2_CBM:
+            ret = psr_get_val(d, domctl->u.psr_cat_op.target,
+                              &domctl->u.psr_cat_op.data,
+                              PSR_CBM_TYPE_L2);
+            copyback = 1;
+            break;
+
         default:
             ret = -EOPNOTSUPP;
             break;
diff --git a/xen/include/public/domctl.h b/xen/include/public/domctl.h
index 177319d..17c4ab4 100644
--- a/xen/include/public/domctl.h
+++ b/xen/include/public/domctl.h
@@ -1137,6 +1137,8 @@ struct xen_domctl_psr_cat_op {
 #define XEN_DOMCTL_PSR_CAT_OP_SET_L3_DATA    3
 #define XEN_DOMCTL_PSR_CAT_OP_GET_L3_CODE    4
 #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
     uint32_t cmd;       /* IN: XEN_DOMCTL_PSR_CAT_OP_* */
     uint32_t target;    /* IN */
     uint64_t data;      /* IN/OUT */
-- 
2.7.4


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