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Diffstat (limited to 'virt/kvm/arm/vgic/vgic.h')
| -rw-r--r-- | virt/kvm/arm/vgic/vgic.h | 223 |
1 files changed, 0 insertions, 223 deletions
diff --git a/virt/kvm/arm/vgic/vgic.h b/virt/kvm/arm/vgic/vgic.h deleted file mode 100644 index bba7fa22a7f7..000000000000 --- a/virt/kvm/arm/vgic/vgic.h +++ /dev/null @@ -1,223 +0,0 @@ -/* - * Copyright (C) 2015, 2016 ARM Ltd. - * - * 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 <http://www.gnu.org/licenses/>. - */ -#ifndef __KVM_ARM_VGIC_NEW_H__ -#define __KVM_ARM_VGIC_NEW_H__ - -#include <linux/irqchip/arm-gic-common.h> - -#define PRODUCT_ID_KVM 0x4b /* ASCII code K */ -#define IMPLEMENTER_ARM 0x43b - -#define VGIC_ADDR_UNDEF (-1) -#define IS_VGIC_ADDR_UNDEF(_x) ((_x) == VGIC_ADDR_UNDEF) - -#define INTERRUPT_ID_BITS_SPIS 10 -#define INTERRUPT_ID_BITS_ITS 16 -#define VGIC_PRI_BITS 5 - -#define vgic_irq_is_sgi(intid) ((intid) < VGIC_NR_SGIS) - -#define VGIC_AFFINITY_0_SHIFT 0 -#define VGIC_AFFINITY_0_MASK (0xffUL << VGIC_AFFINITY_0_SHIFT) -#define VGIC_AFFINITY_1_SHIFT 8 -#define VGIC_AFFINITY_1_MASK (0xffUL << VGIC_AFFINITY_1_SHIFT) -#define VGIC_AFFINITY_2_SHIFT 16 -#define VGIC_AFFINITY_2_MASK (0xffUL << VGIC_AFFINITY_2_SHIFT) -#define VGIC_AFFINITY_3_SHIFT 24 -#define VGIC_AFFINITY_3_MASK (0xffUL << VGIC_AFFINITY_3_SHIFT) - -#define VGIC_AFFINITY_LEVEL(reg, level) \ - ((((reg) & VGIC_AFFINITY_## level ##_MASK) \ - >> VGIC_AFFINITY_## level ##_SHIFT) << MPIDR_LEVEL_SHIFT(level)) - -/* - * The Userspace encodes the affinity differently from the MPIDR, - * Below macro converts vgic userspace format to MPIDR reg format. - */ -#define VGIC_TO_MPIDR(val) (VGIC_AFFINITY_LEVEL(val, 0) | \ - VGIC_AFFINITY_LEVEL(val, 1) | \ - VGIC_AFFINITY_LEVEL(val, 2) | \ - VGIC_AFFINITY_LEVEL(val, 3)) - -/* - * As per Documentation/virtual/kvm/devices/arm-vgic-v3.txt, - * below macros are defined for CPUREG encoding. - */ -#define KVM_REG_ARM_VGIC_SYSREG_OP0_MASK 0x000000000000c000 -#define KVM_REG_ARM_VGIC_SYSREG_OP0_SHIFT 14 -#define KVM_REG_ARM_VGIC_SYSREG_OP1_MASK 0x0000000000003800 -#define KVM_REG_ARM_VGIC_SYSREG_OP1_SHIFT 11 -#define KVM_REG_ARM_VGIC_SYSREG_CRN_MASK 0x0000000000000780 -#define KVM_REG_ARM_VGIC_SYSREG_CRN_SHIFT 7 -#define KVM_REG_ARM_VGIC_SYSREG_CRM_MASK 0x0000000000000078 -#define KVM_REG_ARM_VGIC_SYSREG_CRM_SHIFT 3 -#define KVM_REG_ARM_VGIC_SYSREG_OP2_MASK 0x0000000000000007 -#define KVM_REG_ARM_VGIC_SYSREG_OP2_SHIFT 0 - -#define KVM_DEV_ARM_VGIC_SYSREG_MASK (KVM_REG_ARM_VGIC_SYSREG_OP0_MASK | \ - KVM_REG_ARM_VGIC_SYSREG_OP1_MASK | \ - KVM_REG_ARM_VGIC_SYSREG_CRN_MASK | \ - KVM_REG_ARM_VGIC_SYSREG_CRM_MASK | \ - KVM_REG_ARM_VGIC_SYSREG_OP2_MASK) - -/* - * As per Documentation/virtual/kvm/devices/arm-vgic-its.txt, - * below macros are defined for ITS table entry encoding. - */ -#define KVM_ITS_CTE_VALID_SHIFT 63 -#define KVM_ITS_CTE_VALID_MASK BIT_ULL(63) -#define KVM_ITS_CTE_RDBASE_SHIFT 16 -#define KVM_ITS_CTE_ICID_MASK GENMASK_ULL(15, 0) -#define KVM_ITS_ITE_NEXT_SHIFT 48 -#define KVM_ITS_ITE_PINTID_SHIFT 16 -#define KVM_ITS_ITE_PINTID_MASK GENMASK_ULL(47, 16) -#define KVM_ITS_ITE_ICID_MASK GENMASK_ULL(15, 0) -#define KVM_ITS_DTE_VALID_SHIFT 63 -#define KVM_ITS_DTE_VALID_MASK BIT_ULL(63) -#define KVM_ITS_DTE_NEXT_SHIFT 49 -#define KVM_ITS_DTE_NEXT_MASK GENMASK_ULL(62, 49) -#define KVM_ITS_DTE_ITTADDR_SHIFT 5 -#define KVM_ITS_DTE_ITTADDR_MASK GENMASK_ULL(48, 5) -#define KVM_ITS_DTE_SIZE_MASK GENMASK_ULL(4, 0) -#define KVM_ITS_L1E_VALID_MASK BIT_ULL(63) -/* we only support 64 kB translation table page size */ -#define KVM_ITS_L1E_ADDR_MASK GENMASK_ULL(51, 16) - -static inline bool irq_is_pending(struct vgic_irq *irq) -{ - if (irq->config == VGIC_CONFIG_EDGE) - return irq->pending_latch; - else - return irq->pending_latch || irq->line_level; -} - -/* - * This struct provides an intermediate representation of the fields contained - * in the GICH_VMCR and ICH_VMCR registers, such that code exporting the GIC - * state to userspace can generate either GICv2 or GICv3 CPU interface - * registers regardless of the hardware backed GIC used. - */ -struct vgic_vmcr { - u32 grpen0; - u32 grpen1; - - u32 ackctl; - u32 fiqen; - u32 cbpr; - u32 eoim; - - u32 abpr; - u32 bpr; - u32 pmr; /* Priority mask field in the GICC_PMR and - * ICC_PMR_EL1 priority field format */ -}; - -struct vgic_reg_attr { - struct kvm_vcpu *vcpu; - gpa_t addr; -}; - -int vgic_v3_parse_attr(struct kvm_device *dev, struct kvm_device_attr *attr, - struct vgic_reg_attr *reg_attr); -int vgic_v2_parse_attr(struct kvm_device *dev, struct kvm_device_attr *attr, - struct vgic_reg_attr *reg_attr); -const struct vgic_register_region * -vgic_get_mmio_region(struct kvm_vcpu *vcpu, struct vgic_io_device *iodev, - gpa_t addr, int len); -struct vgic_irq *vgic_get_irq(struct kvm *kvm, struct kvm_vcpu *vcpu, - u32 intid); -void vgic_put_irq(struct kvm *kvm, struct vgic_irq *irq); -bool vgic_queue_irq_unlock(struct kvm *kvm, struct vgic_irq *irq); -void vgic_kick_vcpus(struct kvm *kvm); - -int vgic_check_ioaddr(struct kvm *kvm, phys_addr_t *ioaddr, - phys_addr_t addr, phys_addr_t alignment); - -void vgic_v2_fold_lr_state(struct kvm_vcpu *vcpu); -void vgic_v2_populate_lr(struct kvm_vcpu *vcpu, struct vgic_irq *irq, int lr); -void vgic_v2_clear_lr(struct kvm_vcpu *vcpu, int lr); -void vgic_v2_set_underflow(struct kvm_vcpu *vcpu); -int vgic_v2_has_attr_regs(struct kvm_device *dev, struct kvm_device_attr *attr); -int vgic_v2_dist_uaccess(struct kvm_vcpu *vcpu, bool is_write, - int offset, u32 *val); -int vgic_v2_cpuif_uaccess(struct kvm_vcpu *vcpu, bool is_write, - int offset, u32 *val); -void vgic_v2_set_vmcr(struct kvm_vcpu *vcpu, struct vgic_vmcr *vmcr); -void vgic_v2_get_vmcr(struct kvm_vcpu *vcpu, struct vgic_vmcr *vmcr); -void vgic_v2_enable(struct kvm_vcpu *vcpu); -int vgic_v2_probe(const struct gic_kvm_info *info); -int vgic_v2_map_resources(struct kvm *kvm); -int vgic_register_dist_iodev(struct kvm *kvm, gpa_t dist_base_address, - enum vgic_type); - -void vgic_v2_init_lrs(void); -void vgic_v2_load(struct kvm_vcpu *vcpu); -void vgic_v2_put(struct kvm_vcpu *vcpu); - -static inline void vgic_get_irq_kref(struct vgic_irq *irq) -{ - if (irq->intid < VGIC_MIN_LPI) - return; - - kref_get(&irq->refcount); -} - -void vgic_v3_fold_lr_state(struct kvm_vcpu *vcpu); -void vgic_v3_populate_lr(struct kvm_vcpu *vcpu, struct vgic_irq *irq, int lr); -void vgic_v3_clear_lr(struct kvm_vcpu *vcpu, int lr); -void vgic_v3_set_underflow(struct kvm_vcpu *vcpu); -void vgic_v3_set_vmcr(struct kvm_vcpu *vcpu, struct vgic_vmcr *vmcr); -void vgic_v3_get_vmcr(struct kvm_vcpu *vcpu, struct vgic_vmcr *vmcr); -void vgic_v3_enable(struct kvm_vcpu *vcpu); -int vgic_v3_probe(const struct gic_kvm_info *info); -int vgic_v3_map_resources(struct kvm *kvm); -int vgic_v3_lpi_sync_pending_status(struct kvm *kvm, struct vgic_irq *irq); -int vgic_v3_save_pending_tables(struct kvm *kvm); -int vgic_v3_set_redist_base(struct kvm *kvm, u64 addr); -int vgic_register_redist_iodev(struct kvm_vcpu *vcpu); -bool vgic_v3_check_base(struct kvm *kvm); - -void vgic_v3_load(struct kvm_vcpu *vcpu); -void vgic_v3_put(struct kvm_vcpu *vcpu); - -bool vgic_has_its(struct kvm *kvm); -int kvm_vgic_register_its_device(void); -void vgic_enable_lpis(struct kvm_vcpu *vcpu); -int vgic_its_inject_msi(struct kvm *kvm, struct kvm_msi *msi); -int vgic_v3_has_attr_regs(struct kvm_device *dev, struct kvm_device_attr *attr); -int vgic_v3_dist_uaccess(struct kvm_vcpu *vcpu, bool is_write, - int offset, u32 *val); -int vgic_v3_redist_uaccess(struct kvm_vcpu *vcpu, bool is_write, - int offset, u32 *val); -int vgic_v3_cpu_sysregs_uaccess(struct kvm_vcpu *vcpu, bool is_write, - u64 id, u64 *val); -int vgic_v3_has_cpu_sysregs_attr(struct kvm_vcpu *vcpu, bool is_write, u64 id, - u64 *reg); -int vgic_v3_line_level_info_uaccess(struct kvm_vcpu *vcpu, bool is_write, - u32 intid, u64 *val); -int kvm_register_vgic_device(unsigned long type); -void vgic_set_vmcr(struct kvm_vcpu *vcpu, struct vgic_vmcr *vmcr); -void vgic_get_vmcr(struct kvm_vcpu *vcpu, struct vgic_vmcr *vmcr); -int vgic_lazy_init(struct kvm *kvm); -int vgic_init(struct kvm *kvm); - -int vgic_debug_init(struct kvm *kvm); -int vgic_debug_destroy(struct kvm *kvm); - -bool lock_all_vcpus(struct kvm *kvm); -void unlock_all_vcpus(struct kvm *kvm); - -#endif |