diff mbox

[v13,18/23] x86: L2 CAT: implement get value flow.

Message ID 1499305996-19029-19-git-send-email-yi.y.sun@linux.intel.com (mailing list archive)
State New, archived
Headers show

Commit Message

Yi Sun July 6, 2017, 1:53 a.m. UTC 
This patch implements L2 CAT get value interface in domctl.

Signed-off-by: Yi Sun <yi.y.sun@linux.intel.com>
Reviewed-by: Jan Beulich <jbeulich@suse.com>
---
v11:
    - remove "get_val' assignment because it has been replaced by generic
      codes.
      (suggested by Jan Beulich)
v10:
    - remove cast in domctl.
      (suggested by Jan Beulich)
v9:
    - reuse 'cat_get_val' for L2 CAT to reduce redundant codes
      (suggested by Roger Pau)
    - changes about 'uint64_t' to 'uint32_t'.
      (suggested by Jan Beulich)
v5:
    - remove type check in callback function.
      (suggested by Jan Beulich)
v4:
    - create this patch because of codes architecture change.
      (suggested by Jan Beulich)
---
 xen/arch/x86/domctl.c       | 7 +++++++
 xen/include/public/domctl.h | 1 +
 2 files changed, 8 insertions(+)
diff mbox

Patch

diff --git a/xen/arch/x86/domctl.c b/xen/arch/x86/domctl.c
index cea643c..d637bca 100644
--- a/xen/arch/x86/domctl.c
+++ b/xen/arch/x86/domctl.c
@@ -1460,6 +1460,13 @@  long arch_do_domctl(
             copyback = 1;
             break;
 
+        case XEN_DOMCTL_PSR_CAT_OP_GET_L2_CBM:
+            ret = psr_get_val(d, domctl->u.psr_cat_op.target,
+                              &val32, PSR_CBM_TYPE_L2);
+            domctl->u.psr_cat_op.data = val32;
+            copyback = 1;
+            break;
+
         default:
             ret = -EOPNOTSUPP;
             break;
diff --git a/xen/include/public/domctl.h b/xen/include/public/domctl.h
index f7cbc0a..61a9450 100644
--- a/xen/include/public/domctl.h
+++ b/xen/include/public/domctl.h
@@ -1134,6 +1134,7 @@  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_GET_L2_CBM     7
     uint32_t cmd;       /* IN: XEN_DOMCTL_PSR_CAT_OP_* */
     uint32_t target;    /* IN */
     uint64_t data;      /* IN/OUT */