include: sbi: Add SBI SRST extension related defines

We extend the SBI ecall interface header for the SBI SRST extension
recently accepted in SBI specification v0.3-draft.

Signed-off-by: Anup Patel <anup.patel@wdc.com>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Reviewed-by: Atish Patra <atish.patra@wdc.com>

diff --git a/include/sbi/sbi_ecall_interface.h b/include/sbi/sbi_ecall_interface.h
index af30500..002c6f9 100644 (file)
--- a/include/sbi/sbi_ecall_interface.h
+++ b/include/sbi/sbi_ecall_interface.h
@@ -27,6 +27,7 @@
 #define SBI_EXT_IPI                            0x735049
 #define SBI_EXT_RFENCE                         0x52464E43
 #define SBI_EXT_HSM                            0x48534D
+#define SBI_EXT_SRST                           0x53525354
 
 /* SBI function IDs for BASE extension*/
 #define SBI_EXT_BASE_GET_SPEC_VERSION          0x0
@@ -62,6 +63,17 @@
 #define SBI_HSM_HART_STATUS_START_PENDING      0x2
 #define SBI_HSM_HART_STATUS_STOP_PENDING       0x3
 
+/* SBI function IDs for SRST extension */
+#define SBI_EXT_SRST_RESET                     0x0
+
+#define SBI_SRST_RESET_TYPE_SHUTDOWN           0x0
+#define SBI_SRST_RESET_TYPE_COLD_REBOOT        0x1
+#define SBI_SRST_RESET_TYPE_WARM_REBOOT        0x2
+#define SBI_SRST_RESET_TYPE_LAST       SBI_SRST_RESET_TYPE_WARM_REBOOT
+
+#define SBI_SRST_RESET_REASON_NONE     0x0
+#define SBI_SRST_RESET_REASON_SYSFAIL  0x1
+
 #define SBI_SPEC_VERSION_MAJOR_OFFSET          24
 #define SBI_SPEC_VERSION_MAJOR_MASK            0x7f
 #define SBI_SPEC_VERSION_MINOR_MASK            0xffffff