[PATCH v2 02/13] domctl: add tee_op domctl

[Volodymyr Babchuk <volodymyr_babchuk@epam.com>]

Currently this call used only to enable TEE support for a domain.

It is planed to extend it when there will be multiple TEE
mediators, so toolstack can determine which TEE is available
on a platform.

Signed-off-by: Volodymyr Babchuk <volodymyr_babchuk@epam.com>
---
 xen/arch/arm/domctl.c       | 10 ++++++++++
 xen/include/public/domctl.h |  8 ++++++++
 2 files changed, 18 insertions(+)

diff --git a/xen/arch/arm/domctl.c b/xen/arch/arm/domctl.c
index 4587c75..f128d34 100644
--- a/xen/arch/arm/domctl.c
+++ b/xen/arch/arm/domctl.c
@@ -13,6 +13,7 @@
 #include <xen/sched.h>
 #include <xen/types.h>
 #include <xsm/xsm.h>
+#include <asm-arm/tee/tee.h>
 #include <public/domctl.h>
 
 void arch_get_domain_info(const struct domain *d,
@@ -171,6 +172,15 @@ long arch_do_domctl(struct xen_domctl *domctl, struct domain *d,
 
         return rc;
     }
+    case XEN_DOMCTL_tee_op:
+        switch ( domctl->u.tee_op.cmd )
+        {
+        case XEN_DOMCTL_TEE_OP_ENABLE:
+            return tee_enable(d);
+
+        default:
+            return -EINVAL;
+        }
     default:
     {
         int rc;
diff --git a/xen/include/public/domctl.h b/xen/include/public/domctl.h
index 7fc07cc..d9820e0 100644
--- a/xen/include/public/domctl.h
+++ b/xen/include/public/domctl.h
@@ -1093,6 +1093,12 @@ struct xen_domctl_vuart_op {
                                  */
 };
 
+/* XEN_DOMCTL_tee_op */
+struct xen_domctl_tee_op {
+#define XEN_DOMCTL_TEE_OP_ENABLE  0
+    uint32_t cmd;               /* XEN_DOMCTL_TEE_OP_ */
+};
+
 struct xen_domctl {
     uint32_t cmd;
 #define XEN_DOMCTL_createdomain                   1
@@ -1172,6 +1178,7 @@ struct xen_domctl {
 #define XEN_DOMCTL_soft_reset                    79
 #define XEN_DOMCTL_set_gnttab_limits             80
 #define XEN_DOMCTL_vuart_op                      81
+#define XEN_DOMCTL_tee_op                        82
 #define XEN_DOMCTL_gdbsx_guestmemio            1000
 #define XEN_DOMCTL_gdbsx_pausevcpu             1001
 #define XEN_DOMCTL_gdbsx_unpausevcpu           1002
@@ -1233,6 +1240,7 @@ struct xen_domctl {
         struct xen_domctl_psr_alloc         psr_alloc;
         struct xen_domctl_set_gnttab_limits set_gnttab_limits;
         struct xen_domctl_vuart_op          vuart_op;
+        struct xen_domctl_tee_op            tee_op;
         uint8_t                             pad[128];
     } u;
 };
-- 
2.7.4


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