xen/arm: ffa: add defines for framework direct request/response messages

According to DEN0077A version 1.1 REL0, section 18.3, Table 18.{21, 25,
26, 27, 28}, add defines for framework direct request/response messages.

Signed-off-by: Jens Wiklander <jens.wiklander@linaro.org>
Reviewed-by: Henry Wang <Henry.Wang@arm.com>
Reviewed-by: Bertrand Marquis <bertrand.marquis@arm.com>

diff --git a/xen/arch/arm/tee/ffa.c b/xen/arch/arm/tee/ffa.c
index c1dead73d1f28d0d8d157e92bafeee766f714359..56a0a10c1e99cf157c59415e7e09db2896171841 100644 (file)
--- a/xen/arch/arm/tee/ffa.c
+++ b/xen/arch/arm/tee/ffa.c
@@ -57,6 +57,19 @@
 #define FFA_MY_VERSION          MAKE_FFA_VERSION(FFA_MY_VERSION_MAJOR, \
                                                  FFA_MY_VERSION_MINOR)
 
+/*
+ * Flags and field values used for the MSG_SEND_DIRECT_REQ/RESP:
+ * BIT(31): Framework or partition message
+ * BIT(7-0): Message type for frameworks messages
+ */
+#define FFA_MSG_FLAG_FRAMEWORK          BIT(31, U)
+#define FFA_MSG_TYPE_MASK               0xFFU;
+#define FFA_MSG_PSCI                    0x0U
+#define FFA_MSG_SEND_VM_CREATED         0x4U
+#define FFA_MSG_RESP_VM_CREATED         0x5U
+#define FFA_MSG_SEND_VM_DESTROYED       0x6U
+#define FFA_MSG_RESP_VM_DESTROYED       0x7U
+
 /*
  * Flags to determine partition properties in FFA_PARTITION_INFO_GET return
  * message: