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Diffstat (limited to 'arch/arm64/include/asm/kvm_host.h')
-rw-r--r--arch/arm64/include/asm/kvm_host.h88
1 files changed, 77 insertions, 11 deletions
diff --git a/arch/arm64/include/asm/kvm_host.h b/arch/arm64/include/asm/kvm_host.h
index 08ba91e6fb03..d941abc6b5ee 100644
--- a/arch/arm64/include/asm/kvm_host.h
+++ b/arch/arm64/include/asm/kvm_host.h
@@ -39,7 +39,7 @@
#define KVM_MAX_VCPUS VGIC_V3_MAX_CPUS
-#define KVM_VCPU_MAX_FEATURES 7
+#define KVM_VCPU_MAX_FEATURES 9
#define KVM_VCPU_VALID_FEATURES (BIT(KVM_VCPU_MAX_FEATURES) - 1)
#define KVM_REQ_SLEEP \
@@ -53,6 +53,7 @@
#define KVM_REQ_RESYNC_PMU_EL0 KVM_ARCH_REQ(7)
#define KVM_REQ_NESTED_S2_UNMAP KVM_ARCH_REQ(8)
#define KVM_REQ_GUEST_HYP_IRQ_PENDING KVM_ARCH_REQ(9)
+#define KVM_REQ_MAP_L1_VNCR_EL2 KVM_ARCH_REQ(10)
#define KVM_DIRTY_LOG_MANUAL_CAPS (KVM_DIRTY_LOG_MANUAL_PROTECT_ENABLE | \
KVM_DIRTY_LOG_INITIALLY_SET)
@@ -273,11 +274,17 @@ struct kvm_sysreg_masks;
enum fgt_group_id {
__NO_FGT_GROUP__,
- HFGxTR_GROUP,
+ HFGRTR_GROUP,
+ HFGWTR_GROUP = HFGRTR_GROUP,
HDFGRTR_GROUP,
HDFGWTR_GROUP = HDFGRTR_GROUP,
HFGITR_GROUP,
HAFGRTR_GROUP,
+ HFGRTR2_GROUP,
+ HFGWTR2_GROUP = HFGRTR2_GROUP,
+ HDFGRTR2_GROUP,
+ HDFGWTR2_GROUP = HDFGRTR2_GROUP,
+ HFGITR2_GROUP,
/* Must be last */
__NR_FGT_GROUP_IDS__
@@ -359,8 +366,8 @@ struct kvm_arch {
cpumask_var_t supported_cpus;
- /* PMCR_EL0.N value for the guest */
- u8 pmcr_n;
+ /* Maximum number of counters for the guest */
+ u8 nr_pmu_counters;
/* Iterator for idreg debugfs */
u8 idreg_debugfs_iter;
@@ -389,6 +396,9 @@ struct kvm_arch {
/* Masks for VNCR-backed and general EL2 sysregs */
struct kvm_sysreg_masks *sysreg_masks;
+ /* Count the number of VNCR_EL2 currently mapped */
+ atomic_t vncr_map_count;
+
/*
* For an untrusted host VM, 'pkvm.handle' is used to lookup
* the associated pKVM instance in the hypervisor.
@@ -561,6 +571,13 @@ enum vcpu_sysreg {
VNCR(HDFGRTR_EL2),
VNCR(HDFGWTR_EL2),
VNCR(HAFGRTR_EL2),
+ VNCR(HFGRTR2_EL2),
+ VNCR(HFGWTR2_EL2),
+ VNCR(HFGITR2_EL2),
+ VNCR(HDFGRTR2_EL2),
+ VNCR(HDFGWTR2_EL2),
+
+ VNCR(VNCR_EL2),
VNCR(CNTVOFF_EL2),
VNCR(CNTV_CVAL_EL0),
@@ -606,6 +623,37 @@ struct kvm_sysreg_masks {
} mask[NR_SYS_REGS - __SANITISED_REG_START__];
};
+struct fgt_masks {
+ const char *str;
+ u64 mask;
+ u64 nmask;
+ u64 res0;
+};
+
+extern struct fgt_masks hfgrtr_masks;
+extern struct fgt_masks hfgwtr_masks;
+extern struct fgt_masks hfgitr_masks;
+extern struct fgt_masks hdfgrtr_masks;
+extern struct fgt_masks hdfgwtr_masks;
+extern struct fgt_masks hafgrtr_masks;
+extern struct fgt_masks hfgrtr2_masks;
+extern struct fgt_masks hfgwtr2_masks;
+extern struct fgt_masks hfgitr2_masks;
+extern struct fgt_masks hdfgrtr2_masks;
+extern struct fgt_masks hdfgwtr2_masks;
+
+extern struct fgt_masks kvm_nvhe_sym(hfgrtr_masks);
+extern struct fgt_masks kvm_nvhe_sym(hfgwtr_masks);
+extern struct fgt_masks kvm_nvhe_sym(hfgitr_masks);
+extern struct fgt_masks kvm_nvhe_sym(hdfgrtr_masks);
+extern struct fgt_masks kvm_nvhe_sym(hdfgwtr_masks);
+extern struct fgt_masks kvm_nvhe_sym(hafgrtr_masks);
+extern struct fgt_masks kvm_nvhe_sym(hfgrtr2_masks);
+extern struct fgt_masks kvm_nvhe_sym(hfgwtr2_masks);
+extern struct fgt_masks kvm_nvhe_sym(hfgitr2_masks);
+extern struct fgt_masks kvm_nvhe_sym(hdfgrtr2_masks);
+extern struct fgt_masks kvm_nvhe_sym(hdfgwtr2_masks);
+
struct kvm_cpu_context {
struct user_pt_regs regs; /* sp = sp_el0 */
@@ -654,6 +702,8 @@ struct kvm_host_data {
#define KVM_HOST_DATA_FLAG_HAS_TRBE 1
#define KVM_HOST_DATA_FLAG_TRBE_ENABLED 4
#define KVM_HOST_DATA_FLAG_EL1_TRACING_CONFIGURED 5
+#define KVM_HOST_DATA_FLAG_VCPU_IN_HYP_CONTEXT 6
+#define KVM_HOST_DATA_FLAG_L1_VNCR_MAPPED 7
unsigned long flags;
struct kvm_cpu_context host_ctxt;
@@ -730,6 +780,8 @@ struct vcpu_reset_state {
bool reset;
};
+struct vncr_tlb;
+
struct kvm_vcpu_arch {
struct kvm_cpu_context ctxt;
@@ -824,6 +876,9 @@ struct kvm_vcpu_arch {
/* Per-vcpu CCSIDR override or NULL */
u32 *ccsidr;
+
+ /* Per-vcpu TLB for VNCR_EL2 -- NULL when !NV */
+ struct vncr_tlb *vncr_tlb;
};
/*
@@ -971,20 +1026,22 @@ struct kvm_vcpu_arch {
#define vcpu_sve_zcr_elx(vcpu) \
(unlikely(is_hyp_ctxt(vcpu)) ? ZCR_EL2 : ZCR_EL1)
-#define vcpu_sve_state_size(vcpu) ({ \
+#define sve_state_size_from_vl(sve_max_vl) ({ \
size_t __size_ret; \
- unsigned int __vcpu_vq; \
+ unsigned int __vq; \
\
- if (WARN_ON(!sve_vl_valid((vcpu)->arch.sve_max_vl))) { \
+ if (WARN_ON(!sve_vl_valid(sve_max_vl))) { \
__size_ret = 0; \
} else { \
- __vcpu_vq = vcpu_sve_max_vq(vcpu); \
- __size_ret = SVE_SIG_REGS_SIZE(__vcpu_vq); \
+ __vq = sve_vq_from_vl(sve_max_vl); \
+ __size_ret = SVE_SIG_REGS_SIZE(__vq); \
} \
\
__size_ret; \
})
+#define vcpu_sve_state_size(vcpu) sve_state_size_from_vl((vcpu)->arch.sve_max_vl)
+
#define KVM_GUESTDBG_VALID_MASK (KVM_GUESTDBG_ENABLE | \
KVM_GUESTDBG_USE_SW_BP | \
KVM_GUESTDBG_USE_HW | \
@@ -1550,12 +1607,16 @@ void kvm_set_vm_id_reg(struct kvm *kvm, u32 reg, u64 val);
kvm_cmp_feat_signed(kvm, id, fld, op, limit) : \
kvm_cmp_feat_unsigned(kvm, id, fld, op, limit))
-#define kvm_has_feat(kvm, id, fld, limit) \
+#define __kvm_has_feat(kvm, id, fld, limit) \
kvm_cmp_feat(kvm, id, fld, >=, limit)
-#define kvm_has_feat_enum(kvm, id, fld, val) \
+#define kvm_has_feat(kvm, ...) __kvm_has_feat(kvm, __VA_ARGS__)
+
+#define __kvm_has_feat_enum(kvm, id, fld, val) \
kvm_cmp_feat_unsigned(kvm, id, fld, ==, val)
+#define kvm_has_feat_enum(kvm, ...) __kvm_has_feat_enum(kvm, __VA_ARGS__)
+
#define kvm_has_feat_range(kvm, id, fld, min, max) \
(kvm_cmp_feat(kvm, id, fld, >=, min) && \
kvm_cmp_feat(kvm, id, fld, <=, max))
@@ -1593,4 +1654,9 @@ static inline bool kvm_arch_has_irq_bypass(void)
return true;
}
+void compute_fgu(struct kvm *kvm, enum fgt_group_id fgt);
+void get_reg_fixed_bits(struct kvm *kvm, enum vcpu_sysreg reg, u64 *res0, u64 *res1);
+void check_feature_map(void);
+
+
#endif /* __ARM64_KVM_HOST_H__ */
generated by cgit (git 2.34.1) at 2025-05-31 23:25:52 +0000