| Message ID | 20230517105135.1871868-4-apatel@ventanamicro.com (mailing list archive) |
|---|---|
| State | Superseded |
| Headers | show |
| Series | RISC-V KVM in-kernel AIA irqchip | expand |
On Wed, May 17, 2023 at 3:52 AM Anup Patel <apatel@ventanamicro.com> wrote: > > 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> > --- > 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 > Reviewed-by: Atish Patra <atishp@rivosinc.com>
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
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> --- 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