[PATCH v5 16/22] KVM: riscv: selftests: Move sbi definitions to its own header file

Atish Patra
2024-04-03T08:05:45Z

The SBI definitions will continue to grow. Move the sbi related
definitions to its own header file from processor.h

Suggested-by: Andrew Jones <ajones@ventanamicro.com>
Signed-off-by: Atish Patra <atishp@rivosinc.com>
---
.../selftests/kvm/include/riscv/processor.h | 39 ---------------
.../testing/selftests/kvm/include/riscv/sbi.h | 50 +++++++++++++++++++
.../selftests/kvm/include/riscv/ucall.h | 1 +
tools/testing/selftests/kvm/steal_time.c | 4 +-
4 files changed, 54 insertions(+), 40 deletions(-)
create mode 100644 tools/testing/selftests/kvm/include/riscv/sbi.h

diff --git a/tools/testing/selftests/kvm/include/riscv/processor.h b/tools/testing/selftests/kvm/include/riscv/processor.h
index ce473fe251dd..3b9cb39327ff 100644
--- a/tools/testing/selftests/kvm/include/riscv/processor.h
+++ b/tools/testing/selftests/kvm/include/riscv/processor.h
@@ -154,45 +154,6 @@ void vm_install_interrupt_handler(struct kvm_vm *vm, exception_handler_fn handle
#define PGTBL_PAGE_SIZE PGTBL_L0_BLOCK_SIZE
#define PGTBL_PAGE_SIZE_SHIFT PGTBL_L0_BLOCK_SHIFT

-/* SBI return error codes */
-#define SBI_SUCCESS 0
-#define SBI_ERR_FAILURE -1
-#define SBI_ERR_NOT_SUPPORTED -2
-#define SBI_ERR_INVALID_PARAM -3
-#define SBI_ERR_DENIED -4
-#define SBI_ERR_INVALID_ADDRESS -5
-#define SBI_ERR_ALREADY_AVAILABLE -6
-#define SBI_ERR_ALREADY_STARTED -7
-#define SBI_ERR_ALREADY_STOPPED -8
-
-#define SBI_EXT_EXPERIMENTAL_START 0x08000000
-#define SBI_EXT_EXPERIMENTAL_END 0x08FFFFFF
-
-#define KVM_RISCV_SELFTESTS_SBI_EXT SBI_EXT_EXPERIMENTAL_END
-#define KVM_RISCV_SELFTESTS_SBI_UCALL 0
-#define KVM_RISCV_SELFTESTS_SBI_UNEXP 1
-
-enum sbi_ext_id {
- SBI_EXT_BASE = 0x10,
- SBI_EXT_STA = 0x535441,
-};
-
-enum sbi_ext_base_fid {
- SBI_EXT_BASE_PROBE_EXT = 3,
-};
-
-struct sbiret {
- long error;
- long value;
-};
-
-struct sbiret sbi_ecall(int ext, int fid, unsigned long arg0,
- unsigned long arg1, unsigned long arg2,
- unsigned long arg3, unsigned long arg4,
- unsigned long arg5);
-
-bool guest_sbi_probe_extension(int extid, long *out_val);
-
static inline void local_irq_enable(void)
{
csr_set(CSR_SSTATUS, SR_SIE);
diff --git a/tools/testing/selftests/kvm/include/riscv/sbi.h b/tools/testing/selftests/kvm/include/riscv/sbi.h
new file mode 100644
index 000000000000..ba04f2dec7b5
--- /dev/null
+++ b/tools/testing/selftests/kvm/include/riscv/sbi.h
@@ -0,0 +1,50 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * RISC-V SBI specific definitions
+ *
+ * Copyright (C) 2024 Rivos Inc.
+ */
+
+#ifndef SELFTEST_KVM_SBI_H
+#define SELFTEST_KVM_SBI_H
+
+/* SBI return error codes */
+#define SBI_SUCCESS 0
+#define SBI_ERR_FAILURE -1
+#define SBI_ERR_NOT_SUPPORTED -2
+#define SBI_ERR_INVALID_PARAM -3
+#define SBI_ERR_DENIED -4
+#define SBI_ERR_INVALID_ADDRESS -5
+#define SBI_ERR_ALREADY_AVAILABLE -6
+#define SBI_ERR_ALREADY_STARTED -7
+#define SBI_ERR_ALREADY_STOPPED -8
+
+#define SBI_EXT_EXPERIMENTAL_START 0x08000000
+#define SBI_EXT_EXPERIMENTAL_END 0x08FFFFFF
+
+#define KVM_RISCV_SELFTESTS_SBI_EXT SBI_EXT_EXPERIMENTAL_END
+#define KVM_RISCV_SELFTESTS_SBI_UCALL 0
+#define KVM_RISCV_SELFTESTS_SBI_UNEXP 1
+
+enum sbi_ext_id {
+ SBI_EXT_BASE = 0x10,
+ SBI_EXT_STA = 0x535441,
+};
+
+enum sbi_ext_base_fid {
+ SBI_EXT_BASE_PROBE_EXT = 3,
+};
+
+struct sbiret {
+ long error;
+ long value;
+};
+
+struct sbiret sbi_ecall(int ext, int fid, unsigned long arg0,
+ unsigned long arg1, unsigned long arg2,
+ unsigned long arg3, unsigned long arg4,
+ unsigned long arg5);
+
+bool guest_sbi_probe_extension(int extid, long *out_val);
+
+#endif /* SELFTEST_KVM_SBI_H */
diff --git a/tools/testing/selftests/kvm/include/riscv/ucall.h b/tools/testing/selftests/kvm/include/riscv/ucall.h
index be46eb32ec27..a695ae36f3e0 100644
--- a/tools/testing/selftests/kvm/include/riscv/ucall.h
+++ b/tools/testing/selftests/kvm/include/riscv/ucall.h
@@ -3,6 +3,7 @@
#define SELFTEST_KVM_UCALL_H

#include "processor.h"
+#include "sbi.h"

#define UCALL_EXIT_REASON KVM_EXIT_RISCV_SBI

diff --git a/tools/testing/selftests/kvm/steal_time.c b/tools/testing/selftests/kvm/steal_time.c
index bae0c5026f82..2ff82c7fd926 100644
--- a/tools/testing/selftests/kvm/steal_time.c
+++ b/tools/testing/selftests/kvm/steal_time.c
@@ -11,7 +11,9 @@
#include <pthread.h>
#include <linux/kernel.h>
#include <asm/kvm.h>
-#ifndef __riscv
+#ifdef __riscv
+#include "sbi.h"
+#else
#include <asm/kvm_para.h>
#endif

--
2.34.1