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| author | Anup Patel <apatel@ventanamicro.com> | 2024-08-08 11:04:55 +0530 |
|---|---|---|
| committer | Anup Patel <anup@brainfault.org> | 2024-12-06 09:26:52 +0530 |
| commit | e67d91cdcc1cba32b08d104821558d8211596e16 (patch) | |
| tree | 3355b2899060877d15eb8400580d773051b43bbc /include | |
| parent | 7939bf1329eb551845dbfa3ee06d92d30de70662 (diff) | |
| download | opensbi-e67d91cdcc1cba32b08d104821558d8211596e16.tar.gz opensbi-e67d91cdcc1cba32b08d104821558d8211596e16.tar.bz2 opensbi-e67d91cdcc1cba32b08d104821558d8211596e16.zip | |
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 <rpathak@ventanamicro.com>
Co-developed-by: Anup Patel <apatel@ventanamicro.com>
Signed-off-by: Anup Patel <apatel@ventanamicro.com>
Diffstat (limited to 'include')
| -rw-r--r-- | include/sbi/sbi_ecall_interface.h | 10 |
1 files changed, 10 insertions, 0 deletions
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 |