Commit e5b088c1 authored by Anup Patel's avatar Anup Patel Committed by Anup Patel
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RISC-V: KVM: Share APLIC and IMSIC defines with irqchip drivers 



We have common APLIC and IMSIC headers available under
include/linux/irqchip/ directory which are used by APLIC
and IMSIC irqchip drivers. Let us replace the use of
kvm_aia_*.h headers with include/linux/irqchip/riscv-*.h
headers.

Signed-off-by: default avatarAnup Patel <apatel@ventanamicro.com>
Link: https://lore.kernel.org/r/20240411090639.237119-2-apatel@ventanamicro.com


Signed-off-by: default avatarAnup Patel <anup@brainfault.org>
parent 0fc670d0

arch/riscv/include/asm/kvm_aia_aplic.h

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/* 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

arch/riscv/include/asm/kvm_aia_imsic.h

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/* 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/types.h>

#include <asm/csr.h>



#define IMSIC_MMIO_PAGE_SHIFT		12

#define IMSIC_MMIO_PAGE_SZ		(1UL << IMSIC_MMIO_PAGE_SHIFT)

#define IMSIC_MMIO_PAGE_LE		0x00

#define IMSIC_MMIO_PAGE_BE		0x04



#define IMSIC_MIN_ID			63

#define IMSIC_MAX_ID			2048



#define IMSIC_EIDELIVERY		0x70



#define IMSIC_EITHRESHOLD		0x72



#define IMSIC_EIP0			0x80

#define IMSIC_EIP63			0xbf

#define IMSIC_EIPx_BITS			32



#define IMSIC_EIE0			0xc0

#define IMSIC_EIE63			0xff

#define IMSIC_EIEx_BITS			32



#define IMSIC_FIRST			IMSIC_EIDELIVERY

#define IMSIC_LAST			IMSIC_EIE63



#define IMSIC_MMIO_SETIPNUM_LE		0x00

#define IMSIC_MMIO_SETIPNUM_BE		0x04



#endif

arch/riscv/kvm/aia.c

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@@ -10,12 +10,12 @@ 
#include <linux/kernel.h>

#include <linux/bitops.h>

#include <linux/irq.h>

#include <linux/irqchip/riscv-imsic.h>

#include <linux/irqdomain.h>

#include <linux/kvm_host.h>

#include <linux/percpu.h>

#include <linux/spinlock.h>

#include <asm/cpufeature.h>

#include <asm/kvm_aia_imsic.h>



struct aia_hgei_control {

	raw_spinlock_t lock;

arch/riscv/kvm/aia_aplic.c

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@@ -7,12 +7,12 @@ 
 *	Anup Patel <apatel@ventanamicro.com>

 */



#include <linux/irqchip/riscv-aplic.h>

#include <linux/kvm_host.h>

#include <linux/math.h>

#include <linux/spinlock.h>

#include <linux/swab.h>

#include <kvm/iodev.h>

#include <asm/kvm_aia_aplic.h>



struct aplic_irq {

	raw_spinlock_t lock;

arch/riscv/kvm/aia_device.c

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@@ -8,9 +8,9 @@ 
 */



#include <linux/bits.h>

#include <linux/irqchip/riscv-imsic.h>

#include <linux/kvm_host.h>

#include <linux/uaccess.h>

#include <asm/kvm_aia_imsic.h>



static void unlock_vcpus(struct kvm *kvm, int vcpu_lock_idx)

{