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| author | Anup Patel <apatel@ventanamicro.com> | 2023-03-31 17:36:18 +0300 |
|---|---|---|
| committer | Anup Patel <anup@brainfault.org> | 2023-04-21 15:15:54 +0300 |
| commit | 78f94c082a2f74b78c8b9c779756d8b25317a55a (patch) | |
| tree | c5825ec4f8662ff2ae7cb01d5299101a466ad7a8 /arch/riscv/include/uapi | |
| parent | 7d50dd5012013f7c8e3c3e5d0bed78ba85800934 (diff) | |
| download | linux-78f94c082a2f74b78c8b9c779756d8b25317a55a.tar.xz | |
RISC-V: KVM: Add ONE_REG interface for AIA CSRs
We implement ONE_REG interface for AIA CSRs as a separate subtype
under the CSR ONE_REG interface.
Signed-off-by: Anup Patel <apatel@ventanamicro.com>
Reviewed-by: Andrew Jones <ajones@ventanamicro.com>
Reviewed-by: Atish Patra <atishp@rivosinc.com>
Signed-off-by: Anup Patel <anup@brainfault.org>
Diffstat (limited to 'arch/riscv/include/uapi')
| -rw-r--r-- | arch/riscv/include/uapi/asm/kvm.h | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/arch/riscv/include/uapi/asm/kvm.h b/arch/riscv/include/uapi/asm/kvm.h index 182023dc9a51..cbc3e74fa670 100644 --- a/arch/riscv/include/uapi/asm/kvm.h +++ b/arch/riscv/include/uapi/asm/kvm.h @@ -79,6 +79,10 @@ struct kvm_riscv_csr { unsigned long scounteren; }; +/* AIA CSR registers for KVM_GET_ONE_REG and KVM_SET_ONE_REG */ +struct kvm_riscv_aia_csr { +}; + /* TIMER registers for KVM_GET_ONE_REG and KVM_SET_ONE_REG */ struct kvm_riscv_timer { __u64 frequency; @@ -107,6 +111,7 @@ enum KVM_RISCV_ISA_EXT_ID { KVM_RISCV_ISA_EXT_ZIHINTPAUSE, KVM_RISCV_ISA_EXT_ZICBOM, KVM_RISCV_ISA_EXT_ZBB, + KVM_RISCV_ISA_EXT_SSAIA, KVM_RISCV_ISA_EXT_MAX, }; @@ -153,8 +158,11 @@ enum KVM_RISCV_SBI_EXT_ID { /* Control and status registers are mapped as type 3 */ #define KVM_REG_RISCV_CSR (0x03 << KVM_REG_RISCV_TYPE_SHIFT) #define KVM_REG_RISCV_CSR_GENERAL (0x0 << KVM_REG_RISCV_SUBTYPE_SHIFT) +#define KVM_REG_RISCV_CSR_AIA (0x1 << KVM_REG_RISCV_SUBTYPE_SHIFT) #define KVM_REG_RISCV_CSR_REG(name) \ (offsetof(struct kvm_riscv_csr, name) / sizeof(unsigned long)) +#define KVM_REG_RISCV_CSR_AIA_REG(name) \ + (offsetof(struct kvm_riscv_aia_csr, name) / sizeof(unsigned long)) /* Timer registers are mapped as type 4 */ #define KVM_REG_RISCV_TIMER (0x04 << KVM_REG_RISCV_TYPE_SHIFT) |