From mboxrd@z Thu Jan 1 00:00:00 1970 From: marc.zyngier@arm.com (Marc Zyngier) Date: Tue, 5 Mar 2013 03:47:24 +0000 Subject: [PATCH 08/29] arm64: KVM: user space interface In-Reply-To: <1362455265-24165-1-git-send-email-marc.zyngier@arm.com> References: <1362455265-24165-1-git-send-email-marc.zyngier@arm.com> Message-ID: <1362455265-24165-9-git-send-email-marc.zyngier@arm.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org Provide the kvm.h file that defines the user space visible interface. Signed-off-by: Marc Zyngier --- arch/arm64/include/uapi/asm/kvm.h | 112 ++++++++++++++++++++++++++++++++++++++ 1 file changed, 112 insertions(+) create mode 100644 arch/arm64/include/uapi/asm/kvm.h diff --git a/arch/arm64/include/uapi/asm/kvm.h b/arch/arm64/include/uapi/asm/kvm.h new file mode 100644 index 0000000..f5525f1 --- /dev/null +++ b/arch/arm64/include/uapi/asm/kvm.h @@ -0,0 +1,112 @@ +/* + * Copyright (C) 2012 - ARM Ltd + * Author: Marc Zyngier + * + * Derived from arch/arm/include/uapi/asm/kvm.h: + * Copyright (C) 2012 - Virtual Open Systems and Columbia University + * Author: Christoffer Dall + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program. If not, see . + */ + +#ifndef __ARM_KVM_H__ +#define __ARM_KVM_H__ + +#define KVM_SPSR_EL1 0 +#define KVM_NR_SPSR 1 + +#ifndef __ASSEMBLY__ +#include +#include + +#define __KVM_HAVE_GUEST_DEBUG +#define __KVM_HAVE_IRQ_LINE + +#define KVM_REG_SIZE(id) \ + (1U << (((id) & KVM_REG_SIZE_MASK) >> KVM_REG_SIZE_SHIFT)) + +struct kvm_regs { + struct user_pt_regs regs; /* sp = sp_el0 */ + + unsigned long sp_el1; + unsigned long elr_el1; + + unsigned long spsr[KVM_NR_SPSR]; +}; + +/* Supported Processor Types */ +#define KVM_ARM_TARGET_CORTEX_A57 0 +#define KVM_ARM_NUM_TARGETS 1 + +/* KVM_ARM_SET_DEVICE_ADDR ioctl id encoding */ +#define KVM_ARM_DEVICE_TYPE_SHIFT 0 +#define KVM_ARM_DEVICE_TYPE_MASK (0xffff << KVM_ARM_DEVICE_TYPE_SHIFT) +#define KVM_ARM_DEVICE_ID_SHIFT 16 +#define KVM_ARM_DEVICE_ID_MASK (0xffff << KVM_ARM_DEVICE_ID_SHIFT) + +/* Supported device IDs */ +#define KVM_ARM_DEVICE_VGIC_V2 0 + +/* Supported VGIC address types */ +#define KVM_VGIC_V2_ADDR_TYPE_DIST 0 +#define KVM_VGIC_V2_ADDR_TYPE_CPU 1 + +#define KVM_VGIC_V2_DIST_SIZE 0x1000 +#define KVM_VGIC_V2_CPU_SIZE 0x2000 + +struct kvm_vcpu_init { + __u32 target; + __u32 features[7]; +}; + +struct kvm_sregs { +}; + +struct kvm_fpu { +}; + +struct kvm_guest_debug_arch { +}; + +struct kvm_debug_exit_arch { +}; + +struct kvm_sync_regs { +}; + +struct kvm_arch_memory_slot { +}; + +/* KVM_IRQ_LINE irq field index values */ +#define KVM_ARM_IRQ_TYPE_SHIFT 24 +#define KVM_ARM_IRQ_TYPE_MASK 0xff +#define KVM_ARM_IRQ_VCPU_SHIFT 16 +#define KVM_ARM_IRQ_VCPU_MASK 0xff +#define KVM_ARM_IRQ_NUM_SHIFT 0 +#define KVM_ARM_IRQ_NUM_MASK 0xffff + +/* irq_type field */ +#define KVM_ARM_IRQ_TYPE_CPU 0 +#define KVM_ARM_IRQ_TYPE_SPI 1 +#define KVM_ARM_IRQ_TYPE_PPI 2 + +/* out-of-kernel GIC cpu interrupt injection irq_number field */ +#define KVM_ARM_IRQ_CPU_IRQ 0 +#define KVM_ARM_IRQ_CPU_FIQ 1 + +/* Highest supported SPI, from VGIC_NR_IRQS */ +#define KVM_ARM_IRQ_GIC_MAX 127 + +#endif + +#endif /* __ARM_KVM_H__ */ -- 1.7.12.4