From e67d91cdcc1cba32b08d104821558d8211596e16 Mon Sep 17 00:00:00 2001 From: Anup Patel Date: Thu, 8 Aug 2024 11:04:55 +0530 Subject: lib: sbi: Implement SBI MPXY extension Implement the SBI MPXY extension which provides an SBI interface to the supervisor software for send messages via MPXY framework. Signed-off-by: Rahul Pathak Co-developed-by: Anup Patel Signed-off-by: Anup Patel --- include/sbi/sbi_ecall_interface.h | 10 ++++++++++ 1 file changed, 10 insertions(+) (limited to 'include') diff --git a/include/sbi/sbi_ecall_interface.h b/include/sbi/sbi_ecall_interface.h index ee578bdd..9cacd3ac 100644 --- a/include/sbi/sbi_ecall_interface.h +++ b/include/sbi/sbi_ecall_interface.h @@ -37,6 +37,7 @@ #define SBI_EXT_DBTR 0x44425452 #define SBI_EXT_SSE 0x535345 #define SBI_EXT_FWFT 0x46574654 +#define SBI_EXT_MPXY 0x4D505859 /* SBI function IDs for BASE extension*/ #define SBI_EXT_BASE_GET_SPEC_VERSION 0x0 @@ -421,6 +422,15 @@ enum sbi_sse_state { #define SBI_SSE_EVENT_GLOBAL_BIT (1 << 15) #define SBI_SSE_EVENT_PLATFORM_BIT (1 << 14) +/* SBI function IDs for MPXY extension */ +#define SBI_EXT_MPXY_SET_SHMEM 0x0 +#define SBI_EXT_MPXY_GET_CHANNEL_IDS 0x1 +#define SBI_EXT_MPXY_READ_ATTRS 0x2 +#define SBI_EXT_MPXY_WRITE_ATTRS 0x3 +#define SBI_EXT_MPXY_SEND_MSG_WITH_RESP 0x4 +#define SBI_EXT_MPXY_SEND_MSG_NO_RESP 0x5 +#define SBI_EXT_MPXY_GET_NOTIFICATION_EVENTS 0x6 + /* SBI base specification related macros */ #define SBI_SPEC_VERSION_MAJOR_OFFSET 24 #define SBI_SPEC_VERSION_MAJOR_MASK 0x7f -- cgit v1.3.1