arch/arm64/include/uapi/asm/kvm.h

   1 /*
   2  * Copyright (C) 2012,2013 - ARM Ltd
   3  * Author: Marc Zyngier <marc.zyngier@arm.com>
   4  *
   5  * Derived from arch/arm/include/uapi/asm/kvm.h:
   6  * Copyright (C) 2012 - Virtual Open Systems and Columbia University
   7  * Author: Christoffer Dall <c.dall@virtualopensystems.com>
   8  *
   9  * This program is free software; you can redistribute it and/or modify
  10  * it under the terms of the GNU General Public License version 2 as
  11  * published by the Free Software Foundation.
  12  *
  13  * This program is distributed in the hope that it will be useful,
  14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16  * GNU General Public License for more details.
  17  *
  18  * You should have received a copy of the GNU General Public License
  19  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  20  */
  21
  22 #ifndef __ARM_KVM_H__
  23 #define __ARM_KVM_H__
  24
  25 #define KVM_SPSR_EL1    0
  26 #define KVM_NR_SPSR     1
  27
  28 #ifndef __ASSEMBLY__
  29 #include <asm/types.h>
  30 #include <asm/ptrace.h>
  31
  32 #define __KVM_HAVE_GUEST_DEBUG
  33 #define __KVM_HAVE_IRQ_LINE
  34
  35 #define KVM_REG_SIZE(id)                                                \
  36         (1U << (((id) & KVM_REG_SIZE_MASK) >> KVM_REG_SIZE_SHIFT))
  37
  38 struct kvm_regs {
  39         struct user_pt_regs regs;       /* sp = sp_el0 */
  40
  41         __u64   sp_el1;
  42         __u64   elr_el1;
  43
  44         __u64   spsr[KVM_NR_SPSR];
  45
  46         struct user_fpsimd_state fp_regs;
  47 };
  48
  49 /* Supported Processor Types */
  50 #define KVM_ARM_TARGET_AEM_V8           0
  51 #define KVM_ARM_TARGET_FOUNDATION_V8    1
  52 #define KVM_ARM_TARGET_CORTEX_A57       2
  53
  54 #define KVM_ARM_NUM_TARGETS             3
  55
  56 /* KVM_ARM_SET_DEVICE_ADDR ioctl id encoding */
  57 #define KVM_ARM_DEVICE_TYPE_SHIFT       0
  58 #define KVM_ARM_DEVICE_TYPE_MASK        (0xffff << KVM_ARM_DEVICE_TYPE_SHIFT)
  59 #define KVM_ARM_DEVICE_ID_SHIFT         16
  60 #define KVM_ARM_DEVICE_ID_MASK          (0xffff << KVM_ARM_DEVICE_ID_SHIFT)
  61
  62 /* Supported device IDs */
  63 #define KVM_ARM_DEVICE_VGIC_V2          0
  64
  65 /* Supported VGIC address types  */
  66 #define KVM_VGIC_V2_ADDR_TYPE_DIST      0
  67 #define KVM_VGIC_V2_ADDR_TYPE_CPU       1
  68
  69 #define KVM_VGIC_V2_DIST_SIZE           0x1000
  70 #define KVM_VGIC_V2_CPU_SIZE            0x2000
  71
  72 struct kvm_vcpu_init {
  73         __u32 target;
  74         __u32 features[7];
  75 };
  76
  77 struct kvm_sregs {
  78 };
  79
  80 struct kvm_fpu {
  81 };
  82
  83 struct kvm_guest_debug_arch {
  84 };
  85
  86 struct kvm_debug_exit_arch {
  87 };
  88
  89 struct kvm_sync_regs {
  90 };
  91
  92 struct kvm_arch_memory_slot {
  93 };
  94
  95 /* KVM_IRQ_LINE irq field index values */
  96 #define KVM_ARM_IRQ_TYPE_SHIFT          24
  97 #define KVM_ARM_IRQ_TYPE_MASK           0xff
  98 #define KVM_ARM_IRQ_VCPU_SHIFT          16
  99 #define KVM_ARM_IRQ_VCPU_MASK           0xff
 100 #define KVM_ARM_IRQ_NUM_SHIFT           0
 101 #define KVM_ARM_IRQ_NUM_MASK            0xffff
 102
 103 /* irq_type field */
 104 #define KVM_ARM_IRQ_TYPE_CPU            0
 105 #define KVM_ARM_IRQ_TYPE_SPI            1
 106 #define KVM_ARM_IRQ_TYPE_PPI            2
 107
 108 /* out-of-kernel GIC cpu interrupt injection irq_number field */
 109 #define KVM_ARM_IRQ_CPU_IRQ             0
 110 #define KVM_ARM_IRQ_CPU_FIQ             1
 111
 112 /* Highest supported SPI, from VGIC_NR_IRQS */
 113 #define KVM_ARM_IRQ_GIC_MAX             127
 114
 115 #endif
 116
 117 #endif /* __ARM_KVM_H__ */