[v2,1/7] RISC-V: Add AIA related CSR defines

Message ID	20230128072737.2995881-2-apatel@ventanamicro.com (mailing list archive)
State	New, archived
Headers	show Return-Path: <kvm-owner@vger.kernel.org> From: Anup Patel <apatel@ventanamicro.com> To: Paolo Bonzini <pbonzini@redhat.com>, Atish Patra <atishp@atishpatra.org> Cc: Palmer Dabbelt <palmer@dabbelt.com>, Paul Walmsley <paul.walmsley@sifive.com>, Andrew Jones <ajones@ventanamicro.com>, Anup Patel <anup@brainfault.org>, kvm@vger.kernel.org, kvm-riscv@lists.infradead.org, linux-riscv@lists.infradead.org, linux-kernel@vger.kernel.org, Anup Patel <apatel@ventanamicro.com>, Conor Dooley <conor.dooley@microchip.com> Subject: [PATCH v2 1/7] RISC-V: Add AIA related CSR defines Date: Sat, 28 Jan 2023 12:57:31 +0530 Message-Id: <20230128072737.2995881-2-apatel@ventanamicro.com> In-Reply-To: <20230128072737.2995881-1-apatel@ventanamicro.com> References: <20230128072737.2995881-1-apatel@ventanamicro.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk
Series	RISC-V KVM virtualize AIA CSRs \| expand [v2,0/7] RISC-V KVM virtualize AIA CSRs [v2,1/7] RISC-V: Add AIA related CSR defines [v2,2/7] RISC-V: Detect AIA CSRs from ISA string [v2,3/7] RISC-V: KVM: Drop the _MASK suffix from hgatp.VMID mask defines [v2,4/7] RISC-V: KVM: Initial skeletal support for AIA [v2,5/7] RISC-V: KVM: Add ONE_REG interface for AIA CSRs [v2,6/7] RISC-V: KVM: Virtualize per-HART AIA CSRs [v2,7/7] RISC-V: KVM: Implement guest external interrupt line management

Message ID

20230128072737.2995881-2-apatel@ventanamicro.com (mailing list archive)

State

New, archived

Headers

From: Anup Patel <apatel@ventanamicro.com>
To: Paolo Bonzini <pbonzini@redhat.com>,
        Atish Patra <atishp@atishpatra.org>
Cc: Palmer Dabbelt <palmer@dabbelt.com>,
        Paul Walmsley <paul.walmsley@sifive.com>,
        Andrew Jones <ajones@ventanamicro.com>,
        Anup Patel <anup@brainfault.org>, kvm@vger.kernel.org,
        kvm-riscv@lists.infradead.org, linux-riscv@lists.infradead.org,
        linux-kernel@vger.kernel.org, Anup Patel <apatel@ventanamicro.com>,
        Conor Dooley <conor.dooley@microchip.com>
Subject: [PATCH v2 1/7] RISC-V: Add AIA related CSR defines
Date: Sat, 28 Jan 2023 12:57:31 +0530
Message-Id: <20230128072737.2995881-2-apatel@ventanamicro.com>
In-Reply-To: <20230128072737.2995881-1-apatel@ventanamicro.com>
References: <20230128072737.2995881-1-apatel@ventanamicro.com>
MIME-Version: 1.0
Content-Transfer-Encoding: 8bit
Precedence: bulk

Series

RISC-V KVM virtualize AIA CSRs | expand

Commit Message

Anup Patel Jan. 28, 2023, 7:27 a.m. UTC

The RISC-V AIA specification improves handling per-HART local interrupts
in a backward compatible manner. This patch adds defines for new RISC-V
AIA CSRs.

Signed-off-by: Anup Patel <apatel@ventanamicro.com>
Reviewed-by: Conor Dooley <conor.dooley@microchip.com>
Reviewed-by: Andrew Jones <ajones@ventanamicro.com>
---
 arch/riscv/include/asm/csr.h | 95 +++++++++++++++++++++++++++++++++++-
 1 file changed, 94 insertions(+), 1 deletion(-)

Comments

Atish Patra Jan. 31, 2023, 9:22 a.m. UTC | #1

On Fri, Jan 27, 2023 at 11:27 PM Anup Patel <apatel@ventanamicro.com> wrote:
>
> The RISC-V AIA specification improves handling per-HART local interrupts
> in a backward compatible manner. This patch adds defines for new RISC-V
> AIA CSRs.
>
> Signed-off-by: Anup Patel <apatel@ventanamicro.com>
> Reviewed-by: Conor Dooley <conor.dooley@microchip.com>
> Reviewed-by: Andrew Jones <ajones@ventanamicro.com>
> ---
>  arch/riscv/include/asm/csr.h | 95 +++++++++++++++++++++++++++++++++++-
>  1 file changed, 94 insertions(+), 1 deletion(-)
>
> diff --git a/arch/riscv/include/asm/csr.h b/arch/riscv/include/asm/csr.h
> index 0e571f6483d9..3c8d68152bce 100644
> --- a/arch/riscv/include/asm/csr.h
> +++ b/arch/riscv/include/asm/csr.h
> @@ -7,7 +7,7 @@
>  #define _ASM_RISCV_CSR_H
>
>  #include <asm/asm.h>
> -#include <linux/const.h>
> +#include <linux/bits.h>
>
>  /* Status register flags */
>  #define SR_SIE         _AC(0x00000002, UL) /* Supervisor Interrupt Enable */
> @@ -73,7 +73,10 @@
>  #define IRQ_S_EXT              9
>  #define IRQ_VS_EXT             10
>  #define IRQ_M_EXT              11
> +#define IRQ_S_GEXT             12
>  #define IRQ_PMU_OVF            13
> +#define IRQ_LOCAL_MAX          (IRQ_PMU_OVF + 1)
> +#define IRQ_LOCAL_MASK         GENMASK((IRQ_LOCAL_MAX - 1), 0)
>
>  /* Exception causes */
>  #define EXC_INST_MISALIGNED    0
> @@ -156,6 +159,27 @@
>                                  (_AC(1, UL) << IRQ_S_TIMER) | \
>                                  (_AC(1, UL) << IRQ_S_EXT))
>
> +/* AIA CSR bits */
> +#define TOPI_IID_SHIFT         16
> +#define TOPI_IID_MASK          GENMASK(11, 0)
> +#define TOPI_IPRIO_MASK                GENMASK(7, 0)
> +#define TOPI_IPRIO_BITS                8
> +
> +#define TOPEI_ID_SHIFT         16
> +#define TOPEI_ID_MASK          GENMASK(10, 0)
> +#define TOPEI_PRIO_MASK                GENMASK(10, 0)
> +
> +#define ISELECT_IPRIO0         0x30
> +#define ISELECT_IPRIO15                0x3f
> +#define ISELECT_MASK           GENMASK(8, 0)
> +
> +#define HVICTL_VTI             BIT(30)
> +#define HVICTL_IID             GENMASK(27, 16)
> +#define HVICTL_IID_SHIFT       16
> +#define HVICTL_DPR             BIT(9)
> +#define HVICTL_IPRIOM          BIT(8)
> +#define HVICTL_IPRIO           GENMASK(7, 0)
> +
>  /* xENVCFG flags */
>  #define ENVCFG_STCE                    (_AC(1, ULL) << 63)
>  #define ENVCFG_PBMTE                   (_AC(1, ULL) << 62)
> @@ -250,6 +274,18 @@
>  #define CSR_STIMECMP           0x14D
>  #define CSR_STIMECMPH          0x15D
>
> +/* Supervisor-Level Window to Indirectly Accessed Registers (AIA) */
> +#define CSR_SISELECT           0x150
> +#define CSR_SIREG              0x151
> +
> +/* Supervisor-Level Interrupts (AIA) */
> +#define CSR_STOPEI             0x15c
> +#define CSR_STOPI              0xdb0
> +
> +/* Supervisor-Level High-Half CSRs (AIA) */
> +#define CSR_SIEH               0x114
> +#define CSR_SIPH               0x154
> +
>  #define CSR_VSSTATUS           0x200
>  #define CSR_VSIE               0x204
>  #define CSR_VSTVEC             0x205
> @@ -279,8 +315,32 @@
>  #define CSR_HGATP              0x680
>  #define CSR_HGEIP              0xe12
>
> +/* Virtual Interrupts and Interrupt Priorities (H-extension with AIA) */
> +#define CSR_HVIEN              0x608
> +#define CSR_HVICTL             0x609
> +#define CSR_HVIPRIO1           0x646
> +#define CSR_HVIPRIO2           0x647
> +
> +/* VS-Level Window to Indirectly Accessed Registers (H-extension with AIA) */
> +#define CSR_VSISELECT          0x250
> +#define CSR_VSIREG             0x251
> +
> +/* VS-Level Interrupts (H-extension with AIA) */
> +#define CSR_VSTOPEI            0x25c
> +#define CSR_VSTOPI             0xeb0
> +
> +/* Hypervisor and VS-Level High-Half CSRs (H-extension with AIA) */
> +#define CSR_HIDELEGH           0x613
> +#define CSR_HVIENH             0x618
> +#define CSR_HVIPH              0x655
> +#define CSR_HVIPRIO1H          0x656
> +#define CSR_HVIPRIO2H          0x657
> +#define CSR_VSIEH              0x214
> +#define CSR_VSIPH              0x254
> +
>  #define CSR_MSTATUS            0x300
>  #define CSR_MISA               0x301
> +#define CSR_MIDELEG            0x303
>  #define CSR_MIE                        0x304
>  #define CSR_MTVEC              0x305
>  #define CSR_MENVCFG            0x30a
> @@ -297,6 +357,25 @@
>  #define CSR_MIMPID             0xf13
>  #define CSR_MHARTID            0xf14
>
> +/* Machine-Level Window to Indirectly Accessed Registers (AIA) */
> +#define CSR_MISELECT           0x350
> +#define CSR_MIREG              0x351
> +
> +/* Machine-Level Interrupts (AIA) */
> +#define CSR_MTOPEI             0x35c
> +#define CSR_MTOPI              0xfb0
> +
> +/* Virtual Interrupts for Supervisor Level (AIA) */
> +#define CSR_MVIEN              0x308
> +#define CSR_MVIP               0x309
> +
> +/* Machine-Level High-Half CSRs (AIA) */
> +#define CSR_MIDELEGH           0x313
> +#define CSR_MIEH               0x314
> +#define CSR_MVIENH             0x318
> +#define CSR_MVIPH              0x319
> +#define CSR_MIPH               0x354
> +
>  #ifdef CONFIG_RISCV_M_MODE
>  # define CSR_STATUS    CSR_MSTATUS
>  # define CSR_IE                CSR_MIE
> @@ -307,6 +386,13 @@
>  # define CSR_TVAL      CSR_MTVAL
>  # define CSR_IP                CSR_MIP
>
> +# define CSR_IEH               CSR_MIEH
> +# define CSR_ISELECT   CSR_MISELECT
> +# define CSR_IREG      CSR_MIREG
> +# define CSR_IPH               CSR_MIPH
> +# define CSR_TOPEI     CSR_MTOPEI
> +# define CSR_TOPI      CSR_MTOPI
> +
>  # define SR_IE         SR_MIE
>  # define SR_PIE                SR_MPIE
>  # define SR_PP         SR_MPP
> @@ -324,6 +410,13 @@
>  # define CSR_TVAL      CSR_STVAL
>  # define CSR_IP                CSR_SIP
>
> +# define CSR_IEH               CSR_SIEH
> +# define CSR_ISELECT   CSR_SISELECT
> +# define CSR_IREG      CSR_SIREG
> +# define CSR_IPH               CSR_SIPH
> +# define CSR_TOPEI     CSR_STOPEI
> +# define CSR_TOPI      CSR_STOPI
> +
>  # define SR_IE         SR_SIE
>  # define SR_PIE                SR_SPIE
>  # define SR_PP         SR_SPP
> --
> 2.34.1
>

LGTM.

Reviewed-by: Atish Patra <atishp@rivosinc.com>

Palmer Dabbelt Feb. 3, 2023, 12:24 a.m. UTC | #2

On Fri, 27 Jan 2023 23:27:31 PST (-0800), apatel@ventanamicro.com wrote:
> The RISC-V AIA specification improves handling per-HART local interrupts
> in a backward compatible manner. This patch adds defines for new RISC-V
> AIA CSRs.
>
> Signed-off-by: Anup Patel <apatel@ventanamicro.com>
> Reviewed-by: Conor Dooley <conor.dooley@microchip.com>
> Reviewed-by: Andrew Jones <ajones@ventanamicro.com>
> ---
>  arch/riscv/include/asm/csr.h | 95 +++++++++++++++++++++++++++++++++++-
>  1 file changed, 94 insertions(+), 1 deletion(-)
>
> diff --git a/arch/riscv/include/asm/csr.h b/arch/riscv/include/asm/csr.h
> index 0e571f6483d9..3c8d68152bce 100644
> --- a/arch/riscv/include/asm/csr.h
> +++ b/arch/riscv/include/asm/csr.h
> @@ -7,7 +7,7 @@
>  #define _ASM_RISCV_CSR_H
>
>  #include <asm/asm.h>
> -#include <linux/const.h>
> +#include <linux/bits.h>
>
>  /* Status register flags */
>  #define SR_SIE		_AC(0x00000002, UL) /* Supervisor Interrupt Enable */
> @@ -73,7 +73,10 @@
>  #define IRQ_S_EXT		9
>  #define IRQ_VS_EXT		10
>  #define IRQ_M_EXT		11
> +#define IRQ_S_GEXT		12
>  #define IRQ_PMU_OVF		13
> +#define IRQ_LOCAL_MAX		(IRQ_PMU_OVF + 1)
> +#define IRQ_LOCAL_MASK		GENMASK((IRQ_LOCAL_MAX - 1), 0)
>
>  /* Exception causes */
>  #define EXC_INST_MISALIGNED	0
> @@ -156,6 +159,27 @@
>  				 (_AC(1, UL) << IRQ_S_TIMER) | \
>  				 (_AC(1, UL) << IRQ_S_EXT))
>
> +/* AIA CSR bits */
> +#define TOPI_IID_SHIFT		16
> +#define TOPI_IID_MASK		GENMASK(11, 0)
> +#define TOPI_IPRIO_MASK		GENMASK(7, 0)
> +#define TOPI_IPRIO_BITS		8
> +
> +#define TOPEI_ID_SHIFT		16
> +#define TOPEI_ID_MASK		GENMASK(10, 0)
> +#define TOPEI_PRIO_MASK		GENMASK(10, 0)
> +
> +#define ISELECT_IPRIO0		0x30
> +#define ISELECT_IPRIO15		0x3f
> +#define ISELECT_MASK		GENMASK(8, 0)
> +
> +#define HVICTL_VTI		BIT(30)
> +#define HVICTL_IID		GENMASK(27, 16)
> +#define HVICTL_IID_SHIFT	16
> +#define HVICTL_DPR		BIT(9)
> +#define HVICTL_IPRIOM		BIT(8)
> +#define HVICTL_IPRIO		GENMASK(7, 0)
> +
>  /* xENVCFG flags */
>  #define ENVCFG_STCE			(_AC(1, ULL) << 63)
>  #define ENVCFG_PBMTE			(_AC(1, ULL) << 62)
> @@ -250,6 +274,18 @@
>  #define CSR_STIMECMP		0x14D
>  #define CSR_STIMECMPH		0x15D
>
> +/* Supervisor-Level Window to Indirectly Accessed Registers (AIA) */
> +#define CSR_SISELECT		0x150
> +#define CSR_SIREG		0x151
> +
> +/* Supervisor-Level Interrupts (AIA) */
> +#define CSR_STOPEI		0x15c
> +#define CSR_STOPI		0xdb0
> +
> +/* Supervisor-Level High-Half CSRs (AIA) */
> +#define CSR_SIEH		0x114
> +#define CSR_SIPH		0x154
> +
>  #define CSR_VSSTATUS		0x200
>  #define CSR_VSIE		0x204
>  #define CSR_VSTVEC		0x205
> @@ -279,8 +315,32 @@
>  #define CSR_HGATP		0x680
>  #define CSR_HGEIP		0xe12
>
> +/* Virtual Interrupts and Interrupt Priorities (H-extension with AIA) */
> +#define CSR_HVIEN		0x608
> +#define CSR_HVICTL		0x609
> +#define CSR_HVIPRIO1		0x646
> +#define CSR_HVIPRIO2		0x647
> +
> +/* VS-Level Window to Indirectly Accessed Registers (H-extension with AIA) */
> +#define CSR_VSISELECT		0x250
> +#define CSR_VSIREG		0x251
> +
> +/* VS-Level Interrupts (H-extension with AIA) */
> +#define CSR_VSTOPEI		0x25c
> +#define CSR_VSTOPI		0xeb0
> +
> +/* Hypervisor and VS-Level High-Half CSRs (H-extension with AIA) */
> +#define CSR_HIDELEGH		0x613
> +#define CSR_HVIENH		0x618
> +#define CSR_HVIPH		0x655
> +#define CSR_HVIPRIO1H		0x656
> +#define CSR_HVIPRIO2H		0x657
> +#define CSR_VSIEH		0x214
> +#define CSR_VSIPH		0x254
> +
>  #define CSR_MSTATUS		0x300
>  #define CSR_MISA		0x301
> +#define CSR_MIDELEG		0x303
>  #define CSR_MIE			0x304
>  #define CSR_MTVEC		0x305
>  #define CSR_MENVCFG		0x30a
> @@ -297,6 +357,25 @@
>  #define CSR_MIMPID		0xf13
>  #define CSR_MHARTID		0xf14
>
> +/* Machine-Level Window to Indirectly Accessed Registers (AIA) */
> +#define CSR_MISELECT		0x350
> +#define CSR_MIREG		0x351
> +
> +/* Machine-Level Interrupts (AIA) */
> +#define CSR_MTOPEI		0x35c
> +#define CSR_MTOPI		0xfb0
> +
> +/* Virtual Interrupts for Supervisor Level (AIA) */
> +#define CSR_MVIEN		0x308
> +#define CSR_MVIP		0x309
> +
> +/* Machine-Level High-Half CSRs (AIA) */
> +#define CSR_MIDELEGH		0x313
> +#define CSR_MIEH		0x314
> +#define CSR_MVIENH		0x318
> +#define CSR_MVIPH		0x319
> +#define CSR_MIPH		0x354
> +
>  #ifdef CONFIG_RISCV_M_MODE
>  # define CSR_STATUS	CSR_MSTATUS
>  # define CSR_IE		CSR_MIE
> @@ -307,6 +386,13 @@
>  # define CSR_TVAL	CSR_MTVAL
>  # define CSR_IP		CSR_MIP
>
> +# define CSR_IEH		CSR_MIEH
> +# define CSR_ISELECT	CSR_MISELECT
> +# define CSR_IREG	CSR_MIREG
> +# define CSR_IPH		CSR_MIPH
> +# define CSR_TOPEI	CSR_MTOPEI
> +# define CSR_TOPI	CSR_MTOPI
> +
>  # define SR_IE		SR_MIE
>  # define SR_PIE		SR_MPIE
>  # define SR_PP		SR_MPP
> @@ -324,6 +410,13 @@
>  # define CSR_TVAL	CSR_STVAL
>  # define CSR_IP		CSR_SIP
>
> +# define CSR_IEH		CSR_SIEH
> +# define CSR_ISELECT	CSR_SISELECT
> +# define CSR_IREG	CSR_SIREG
> +# define CSR_IPH		CSR_SIPH
> +# define CSR_TOPEI	CSR_STOPEI
> +# define CSR_TOPI	CSR_STOPI
> +
>  # define SR_IE		SR_SIE
>  # define SR_PIE		SR_SPIE
>  # define SR_PP		SR_SPP

Acked-by: Palmer Dabbelt <palmer@rivosinc.com>

diff --git a/arch/riscv/include/asm/csr.h b/arch/riscv/include/asm/csr.h
index 0e571f6483d9..3c8d68152bce 100644
--- a/arch/riscv/include/asm/csr.h
+++ b/arch/riscv/include/asm/csr.h
@@ -7,7 +7,7 @@ 
 #define _ASM_RISCV_CSR_H
 
 #include <asm/asm.h>
-#include <linux/const.h>
+#include <linux/bits.h>
 
 /* Status register flags */
 #define SR_SIE		_AC(0x00000002, UL) /* Supervisor Interrupt Enable */
@@ -73,7 +73,10 @@ 
 #define IRQ_S_EXT		9
 #define IRQ_VS_EXT		10
 #define IRQ_M_EXT		11
+#define IRQ_S_GEXT		12
 #define IRQ_PMU_OVF		13
+#define IRQ_LOCAL_MAX		(IRQ_PMU_OVF + 1)
+#define IRQ_LOCAL_MASK		GENMASK((IRQ_LOCAL_MAX - 1), 0)
 
 /* Exception causes */
 #define EXC_INST_MISALIGNED	0
@@ -156,6 +159,27 @@ 
 				 (_AC(1, UL) << IRQ_S_TIMER) | \
 				 (_AC(1, UL) << IRQ_S_EXT))
 
+/* AIA CSR bits */
+#define TOPI_IID_SHIFT		16
+#define TOPI_IID_MASK		GENMASK(11, 0)
+#define TOPI_IPRIO_MASK		GENMASK(7, 0)
+#define TOPI_IPRIO_BITS		8
+
+#define TOPEI_ID_SHIFT		16
+#define TOPEI_ID_MASK		GENMASK(10, 0)
+#define TOPEI_PRIO_MASK		GENMASK(10, 0)
+
+#define ISELECT_IPRIO0		0x30
+#define ISELECT_IPRIO15		0x3f
+#define ISELECT_MASK		GENMASK(8, 0)
+
+#define HVICTL_VTI		BIT(30)
+#define HVICTL_IID		GENMASK(27, 16)
+#define HVICTL_IID_SHIFT	16
+#define HVICTL_DPR		BIT(9)
+#define HVICTL_IPRIOM		BIT(8)
+#define HVICTL_IPRIO		GENMASK(7, 0)
+
 /* xENVCFG flags */
 #define ENVCFG_STCE			(_AC(1, ULL) << 63)
 #define ENVCFG_PBMTE			(_AC(1, ULL) << 62)
@@ -250,6 +274,18 @@ 
 #define CSR_STIMECMP		0x14D
 #define CSR_STIMECMPH		0x15D
 
+/* Supervisor-Level Window to Indirectly Accessed Registers (AIA) */
+#define CSR_SISELECT		0x150
+#define CSR_SIREG		0x151
+
+/* Supervisor-Level Interrupts (AIA) */
+#define CSR_STOPEI		0x15c
+#define CSR_STOPI		0xdb0
+
+/* Supervisor-Level High-Half CSRs (AIA) */
+#define CSR_SIEH		0x114
+#define CSR_SIPH		0x154
+
 #define CSR_VSSTATUS		0x200
 #define CSR_VSIE		0x204
 #define CSR_VSTVEC		0x205
@@ -279,8 +315,32 @@ 
 #define CSR_HGATP		0x680
 #define CSR_HGEIP		0xe12
 
+/* Virtual Interrupts and Interrupt Priorities (H-extension with AIA) */
+#define CSR_HVIEN		0x608
+#define CSR_HVICTL		0x609
+#define CSR_HVIPRIO1		0x646
+#define CSR_HVIPRIO2		0x647
+
+/* VS-Level Window to Indirectly Accessed Registers (H-extension with AIA) */
+#define CSR_VSISELECT		0x250
+#define CSR_VSIREG		0x251
+
+/* VS-Level Interrupts (H-extension with AIA) */
+#define CSR_VSTOPEI		0x25c
+#define CSR_VSTOPI		0xeb0
+
+/* Hypervisor and VS-Level High-Half CSRs (H-extension with AIA) */
+#define CSR_HIDELEGH		0x613
+#define CSR_HVIENH		0x618
+#define CSR_HVIPH		0x655
+#define CSR_HVIPRIO1H		0x656
+#define CSR_HVIPRIO2H		0x657
+#define CSR_VSIEH		0x214
+#define CSR_VSIPH		0x254
+
 #define CSR_MSTATUS		0x300
 #define CSR_MISA		0x301
+#define CSR_MIDELEG		0x303
 #define CSR_MIE			0x304
 #define CSR_MTVEC		0x305
 #define CSR_MENVCFG		0x30a
@@ -297,6 +357,25 @@ 
 #define CSR_MIMPID		0xf13
 #define CSR_MHARTID		0xf14
 
+/* Machine-Level Window to Indirectly Accessed Registers (AIA) */
+#define CSR_MISELECT		0x350
+#define CSR_MIREG		0x351
+
+/* Machine-Level Interrupts (AIA) */
+#define CSR_MTOPEI		0x35c
+#define CSR_MTOPI		0xfb0
+
+/* Virtual Interrupts for Supervisor Level (AIA) */
+#define CSR_MVIEN		0x308
+#define CSR_MVIP		0x309
+
+/* Machine-Level High-Half CSRs (AIA) */
+#define CSR_MIDELEGH		0x313
+#define CSR_MIEH		0x314
+#define CSR_MVIENH		0x318
+#define CSR_MVIPH		0x319
+#define CSR_MIPH		0x354
+
 #ifdef CONFIG_RISCV_M_MODE
 # define CSR_STATUS	CSR_MSTATUS
 # define CSR_IE		CSR_MIE
@@ -307,6 +386,13 @@ 
 # define CSR_TVAL	CSR_MTVAL
 # define CSR_IP		CSR_MIP
 
+# define CSR_IEH		CSR_MIEH
+# define CSR_ISELECT	CSR_MISELECT
+# define CSR_IREG	CSR_MIREG
+# define CSR_IPH		CSR_MIPH
+# define CSR_TOPEI	CSR_MTOPEI
+# define CSR_TOPI	CSR_MTOPI
+
 # define SR_IE		SR_MIE
 # define SR_PIE		SR_MPIE
 # define SR_PP		SR_MPP
@@ -324,6 +410,13 @@ 
 # define CSR_TVAL	CSR_STVAL
 # define CSR_IP		CSR_SIP
 
+# define CSR_IEH		CSR_SIEH
+# define CSR_ISELECT	CSR_SISELECT
+# define CSR_IREG	CSR_SIREG
+# define CSR_IPH		CSR_SIPH
+# define CSR_TOPEI	CSR_STOPEI
+# define CSR_TOPI	CSR_STOPI
+
 # define SR_IE		SR_SIE
 # define SR_PIE		SR_SPIE
 # define SR_PP		SR_SPP

[v2,1/7] RISC-V: Add AIA related CSR defines

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