[PATCH v3 03/10] RISC-V: KVM: Add APLIC related defines

Anup Patel
2023-06-15T07:35:41Z

We add APLIC related defines in a separate header so that different
parts of KVM code can share it. Once AIA drivers are merged will
have a common APLIC header shared by both KVM and IRQCHIP driver.

Signed-off-by: Anup Patel <apatel@ventanamicro.com>
Reviewed-by: Atish Patra <atishp@rivosinc.com>
---
arch/riscv/include/asm/kvm_aia_aplic.h | 58 ++++++++++++++++++++++++++
1 file changed, 58 insertions(+)
create mode 100644 arch/riscv/include/asm/kvm_aia_aplic.h

diff --git a/arch/riscv/include/asm/kvm_aia_aplic.h b/arch/riscv/include/asm/kvm_aia_aplic.h
new file mode 100644
index 000000000000..6dd1a4809ec1
--- /dev/null
+++ b/arch/riscv/include/asm/kvm_aia_aplic.h
@@ -0,0 +1,58 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/*
+ * Copyright (C) 2021 Western Digital Corporation or its affiliates.
+ * Copyright (C) 2022 Ventana Micro Systems Inc.
+ */
+#ifndef __KVM_RISCV_AIA_IMSIC_H
+#define __KVM_RISCV_AIA_IMSIC_H
+
+#include <linux/bitops.h>
+
+#define APLIC_MAX_IDC BIT(14)
+#define APLIC_MAX_SOURCE 1024
+
+#define APLIC_DOMAINCFG 0x0000
+#define APLIC_DOMAINCFG_RDONLY 0x80000000
+#define APLIC_DOMAINCFG_IE BIT(8)
+#define APLIC_DOMAINCFG_DM BIT(2)
+#define APLIC_DOMAINCFG_BE BIT(0)
+
+#define APLIC_SOURCECFG_BASE 0x0004
+#define APLIC_SOURCECFG_D BIT(10)
+#define APLIC_SOURCECFG_CHILDIDX_MASK 0x000003ff
+#define APLIC_SOURCECFG_SM_MASK 0x00000007
+#define APLIC_SOURCECFG_SM_INACTIVE 0x0
+#define APLIC_SOURCECFG_SM_DETACH 0x1
+#define APLIC_SOURCECFG_SM_EDGE_RISE 0x4
+#define APLIC_SOURCECFG_SM_EDGE_FALL 0x5
+#define APLIC_SOURCECFG_SM_LEVEL_HIGH 0x6
+#define APLIC_SOURCECFG_SM_LEVEL_LOW 0x7
+
+#define APLIC_IRQBITS_PER_REG 32
+
+#define APLIC_SETIP_BASE 0x1c00
+#define APLIC_SETIPNUM 0x1cdc
+
+#define APLIC_CLRIP_BASE 0x1d00
+#define APLIC_CLRIPNUM 0x1ddc
+
+#define APLIC_SETIE_BASE 0x1e00
+#define APLIC_SETIENUM 0x1edc
+
+#define APLIC_CLRIE_BASE 0x1f00
+#define APLIC_CLRIENUM 0x1fdc
+
+#define APLIC_SETIPNUM_LE 0x2000
+#define APLIC_SETIPNUM_BE 0x2004
+
+#define APLIC_GENMSI 0x3000
+
+#define APLIC_TARGET_BASE 0x3004
+#define APLIC_TARGET_HART_IDX_SHIFT 18
+#define APLIC_TARGET_HART_IDX_MASK 0x3fff
+#define APLIC_TARGET_GUEST_IDX_SHIFT 12
+#define APLIC_TARGET_GUEST_IDX_MASK 0x3f
+#define APLIC_TARGET_IPRIO_MASK 0xff
+#define APLIC_TARGET_EIID_MASK 0x7ff
+
+#endif
--
2.34.1