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-rw-r--r--tools/testing/selftests/kvm/include/riscv/processor.h119
1 files changed, 119 insertions, 0 deletions
diff --git a/tools/testing/selftests/kvm/include/riscv/processor.h b/tools/testing/selftests/kvm/include/riscv/processor.h
new file mode 100644
index 000000000..d00d213c3
--- /dev/null
+++ b/tools/testing/selftests/kvm/include/riscv/processor.h
@@ -0,0 +1,119 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * RISC-V processor specific defines
+ *
+ * Copyright (C) 2021 Western Digital Corporation or its affiliates.
+ */
+#ifndef SELFTEST_KVM_PROCESSOR_H
+#define SELFTEST_KVM_PROCESSOR_H
+
+#include "kvm_util.h"
+#include <linux/stringify.h>
+
+static inline uint64_t __kvm_reg_id(uint64_t type, uint64_t idx,
+ uint64_t size)
+{
+ return KVM_REG_RISCV | type | idx | size;
+}
+
+#if __riscv_xlen == 64
+#define KVM_REG_SIZE_ULONG KVM_REG_SIZE_U64
+#else
+#define KVM_REG_SIZE_ULONG KVM_REG_SIZE_U32
+#endif
+
+#define RISCV_CONFIG_REG(name) __kvm_reg_id(KVM_REG_RISCV_CONFIG, \
+ KVM_REG_RISCV_CONFIG_REG(name), \
+ KVM_REG_SIZE_ULONG)
+
+#define RISCV_CORE_REG(name) __kvm_reg_id(KVM_REG_RISCV_CORE, \
+ KVM_REG_RISCV_CORE_REG(name), \
+ KVM_REG_SIZE_ULONG)
+
+#define RISCV_CSR_REG(name) __kvm_reg_id(KVM_REG_RISCV_CSR, \
+ KVM_REG_RISCV_CSR_REG(name), \
+ KVM_REG_SIZE_ULONG)
+
+#define RISCV_TIMER_REG(name) __kvm_reg_id(KVM_REG_RISCV_TIMER, \
+ KVM_REG_RISCV_TIMER_REG(name), \
+ KVM_REG_SIZE_U64)
+
+/* L3 index Bit[47:39] */
+#define PGTBL_L3_INDEX_MASK 0x0000FF8000000000ULL
+#define PGTBL_L3_INDEX_SHIFT 39
+#define PGTBL_L3_BLOCK_SHIFT 39
+#define PGTBL_L3_BLOCK_SIZE 0x0000008000000000ULL
+#define PGTBL_L3_MAP_MASK (~(PGTBL_L3_BLOCK_SIZE - 1))
+/* L2 index Bit[38:30] */
+#define PGTBL_L2_INDEX_MASK 0x0000007FC0000000ULL
+#define PGTBL_L2_INDEX_SHIFT 30
+#define PGTBL_L2_BLOCK_SHIFT 30
+#define PGTBL_L2_BLOCK_SIZE 0x0000000040000000ULL
+#define PGTBL_L2_MAP_MASK (~(PGTBL_L2_BLOCK_SIZE - 1))
+/* L1 index Bit[29:21] */
+#define PGTBL_L1_INDEX_MASK 0x000000003FE00000ULL
+#define PGTBL_L1_INDEX_SHIFT 21
+#define PGTBL_L1_BLOCK_SHIFT 21
+#define PGTBL_L1_BLOCK_SIZE 0x0000000000200000ULL
+#define PGTBL_L1_MAP_MASK (~(PGTBL_L1_BLOCK_SIZE - 1))
+/* L0 index Bit[20:12] */
+#define PGTBL_L0_INDEX_MASK 0x00000000001FF000ULL
+#define PGTBL_L0_INDEX_SHIFT 12
+#define PGTBL_L0_BLOCK_SHIFT 12
+#define PGTBL_L0_BLOCK_SIZE 0x0000000000001000ULL
+#define PGTBL_L0_MAP_MASK (~(PGTBL_L0_BLOCK_SIZE - 1))
+
+#define PGTBL_PTE_ADDR_MASK 0x003FFFFFFFFFFC00ULL
+#define PGTBL_PTE_ADDR_SHIFT 10
+#define PGTBL_PTE_RSW_MASK 0x0000000000000300ULL
+#define PGTBL_PTE_RSW_SHIFT 8
+#define PGTBL_PTE_DIRTY_MASK 0x0000000000000080ULL
+#define PGTBL_PTE_DIRTY_SHIFT 7
+#define PGTBL_PTE_ACCESSED_MASK 0x0000000000000040ULL
+#define PGTBL_PTE_ACCESSED_SHIFT 6
+#define PGTBL_PTE_GLOBAL_MASK 0x0000000000000020ULL
+#define PGTBL_PTE_GLOBAL_SHIFT 5
+#define PGTBL_PTE_USER_MASK 0x0000000000000010ULL
+#define PGTBL_PTE_USER_SHIFT 4
+#define PGTBL_PTE_EXECUTE_MASK 0x0000000000000008ULL
+#define PGTBL_PTE_EXECUTE_SHIFT 3
+#define PGTBL_PTE_WRITE_MASK 0x0000000000000004ULL
+#define PGTBL_PTE_WRITE_SHIFT 2
+#define PGTBL_PTE_READ_MASK 0x0000000000000002ULL
+#define PGTBL_PTE_READ_SHIFT 1
+#define PGTBL_PTE_PERM_MASK (PGTBL_PTE_ACCESSED_MASK | \
+ PGTBL_PTE_DIRTY_MASK | \
+ PGTBL_PTE_EXECUTE_MASK | \
+ PGTBL_PTE_WRITE_MASK | \
+ PGTBL_PTE_READ_MASK)
+#define PGTBL_PTE_VALID_MASK 0x0000000000000001ULL
+#define PGTBL_PTE_VALID_SHIFT 0
+
+#define PGTBL_PAGE_SIZE PGTBL_L0_BLOCK_SIZE
+#define PGTBL_PAGE_SIZE_SHIFT PGTBL_L0_BLOCK_SHIFT
+
+#define SATP_PPN _AC(0x00000FFFFFFFFFFF, UL)
+#define SATP_MODE_39 _AC(0x8000000000000000, UL)
+#define SATP_MODE_48 _AC(0x9000000000000000, UL)
+#define SATP_ASID_BITS 16
+#define SATP_ASID_SHIFT 44
+#define SATP_ASID_MASK _AC(0xFFFF, UL)
+
+#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
+
+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);
+
+#endif /* SELFTEST_KVM_PROCESSOR_H */