From: Rajnesh Kanwal <rkanwal@xxxxxxxxxxxx>
CoVE specification defines a separate SBI extension known as CoVG
for the guest side interface. Add the definitions for that extension.
Signed-off-by: Rajnesh Kanwal <rkanwal@xxxxxxxxxxxx>
Signed-off-by: Atish Patra <atishp@xxxxxxxxxxxx>
---
arch/riscv/include/asm/sbi.h | 11 +++++++++++
1 file changed, 11 insertions(+)
diff --git a/arch/riscv/include/asm/sbi.h b/arch/riscv/include/asm/sbi.h
index bbea922..e02ee75 100644
--- a/arch/riscv/include/asm/sbi.h
+++ b/arch/riscv/include/asm/sbi.h
@@ -34,6 +34,7 @@ enum sbi_ext_id {
SBI_EXT_NACL = 0x4E41434C,
SBI_EXT_COVH = 0x434F5648,
SBI_EXT_COVI = 0x434F5649,
+ SBI_EXT_COVG = 0x434F5647,
/* Experimentals extensions must lie within this range */
SBI_EXT_EXPERIMENTAL_START = 0x08000000,
@@ -439,6 +440,16 @@ struct sbi_cove_tvm_aia_params {
uint32_t guests_per_hart;
};
+/* SBI COVG extension data structures */
+enum sbi_ext_covg_fid {
+ SBI_EXT_COVG_ADD_MMIO_REGION,
+ SBI_EXT_COVG_REMOVE_MMIO_REGION,
+ SBI_EXT_COVG_SHARE_MEMORY,
+ SBI_EXT_COVG_UNSHARE_MEMORY,
+ SBI_EXT_COVG_ALLOW_EXT_INTERRUPT,
+ SBI_EXT_COVG_DENY_EXT_INTERRUPT,
+};
+
#define SBI_SPEC_VERSION_DEFAULT 0x1
#define SBI_SPEC_VERSION_MAJOR_SHIFT 24
#define SBI_SPEC_VERSION_MAJOR_MASK 0x7f
--
2.25.1
