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

[patchbot@xxxxxxx]

commit 246fdc288e7a4832b8cc93816850b12cf8e4de91
Author:     Jens Wiklander <jens.wiklander@xxxxxxxxxx>
AuthorDate: Mon Jul 17 09:20:50 2023 +0200
Commit:     Julien Grall <jgrall@xxxxxxxxxx>
CommitDate: Thu Jul 20 23:26:08 2023 +0100

    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@xxxxxxxxxx>
    Reviewed-by: Henry Wang <Henry.Wang@xxxxxxx>
    Reviewed-by: Bertrand Marquis <bertrand.marquis@xxxxxxx>
---
 xen/arch/arm/tee/ffa.c | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/xen/arch/arm/tee/ffa.c b/xen/arch/arm/tee/ffa.c
index c1dead73d1..56a0a10c1e 100644
--- 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:
--
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