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Diffstat (limited to 'arch/powerpc/include/asm/kvm_host.h')
-rw-r--r--arch/powerpc/include/asm/kvm_host.h76
1 files changed, 57 insertions, 19 deletions
diff --git a/arch/powerpc/include/asm/kvm_host.h b/arch/powerpc/include/asm/kvm_host.h
index a770443cd6e0..2d139c807577 100644
--- a/arch/powerpc/include/asm/kvm_host.h
+++ b/arch/powerpc/include/asm/kvm_host.h
@@ -25,6 +25,9 @@
#include <asm/cacheflush.h>
#include <asm/hvcall.h>
#include <asm/mce.h>
+#include <asm/guest-state-buffer.h>
+
+#define __KVM_HAVE_ARCH_VCPU_DEBUGFS
#define KVM_MAX_VCPUS NR_CPUS
#define KVM_MAX_VCORES NR_CPUS
@@ -34,7 +37,12 @@
#ifdef CONFIG_KVM_BOOK3S_HV_POSSIBLE
#include <asm/kvm_book3s_asm.h> /* for MAX_SMT_THREADS */
#define KVM_MAX_VCPU_IDS (MAX_SMT_THREADS * KVM_MAX_VCORES)
-#define KVM_MAX_NESTED_GUESTS KVMPPC_NR_LPIDS
+
+/*
+ * Limit the nested partition table to 4096 entries (because that's what
+ * hardware supports). Both guest and host use this value.
+ */
+#define KVM_MAX_NESTED_GUESTS_SHIFT 12
#else
#define KVM_MAX_VCPU_IDS KVM_MAX_VCPUS
@@ -55,8 +63,6 @@
#include <linux/mmu_notifier.h>
-#define KVM_ARCH_WANT_MMU_NOTIFIER
-
#define HPTEG_CACHE_NUM (1 << 15)
#define HPTEG_HASH_BITS_PTE 13
#define HPTEG_HASH_BITS_PTE_LONG 12
@@ -269,7 +275,7 @@ struct kvm_resize_hpt;
#define KVMPPC_SECURE_INIT_ABORT 0x4 /* H_SVM_INIT_ABORT issued */
struct kvm_arch {
- unsigned int lpid;
+ u64 lpid;
unsigned int smt_mode; /* # vcpus per virtual core */
unsigned int emul_smt_mode; /* emualted SMT mode, on P9 */
#ifdef CONFIG_KVM_BOOK3S_HV_POSSIBLE
@@ -295,7 +301,6 @@ struct kvm_arch {
bool dawr1_enabled;
pgd_t *pgtable;
u64 process_table;
- struct dentry *debugfs_dir;
struct kvm_resize_hpt *resize_hpt; /* protected by kvm->lock */
#endif /* CONFIG_KVM_BOOK3S_HV_POSSIBLE */
#ifdef CONFIG_KVM_BOOK3S_PR_POSSIBLE
@@ -326,8 +331,7 @@ struct kvm_arch {
struct list_head uvmem_pfns;
struct mutex mmu_setup_lock; /* nests inside vcpu mutexes */
u64 l1_ptcr;
- int max_nested_lpid;
- struct kvm_nested_guest *nested_guests[KVM_MAX_NESTED_GUESTS];
+ struct idr kvm_nested_guest_idr;
/* This array can grow quite large, keep it at the end */
struct kvmppc_vcore *vcores[KVM_MAX_VCORES];
#endif
@@ -438,7 +442,7 @@ struct kvmppc_passthru_irqmap {
};
#endif
-# ifdef CONFIG_PPC_FSL_BOOK3E
+# ifdef CONFIG_PPC_E500
#define KVMPPC_BOOKE_IAC_NUM 2
#define KVMPPC_BOOKE_DAC_NUM 2
# else
@@ -504,6 +508,23 @@ union xive_tma_w01 {
__be64 w01;
};
+ /* Nestedv2 H_GUEST_RUN_VCPU configuration */
+struct kvmhv_nestedv2_config {
+ struct kvmppc_gs_buff_info vcpu_run_output_cfg;
+ struct kvmppc_gs_buff_info vcpu_run_input_cfg;
+ u64 vcpu_run_output_size;
+};
+
+ /* Nestedv2 L1<->L0 communication state */
+struct kvmhv_nestedv2_io {
+ struct kvmhv_nestedv2_config cfg;
+ struct kvmppc_gs_buff *vcpu_run_output;
+ struct kvmppc_gs_buff *vcpu_run_input;
+ struct kvmppc_gs_msg *vcpu_message;
+ struct kvmppc_gs_msg *vcore_message;
+ struct kvmppc_gs_bitmap valids;
+};
+
struct kvm_vcpu_arch {
ulong host_stack;
u32 host_pid;
@@ -518,7 +539,11 @@ struct kvm_vcpu_arch {
struct kvmppc_book3s_shadow_vcpu *shadow_vcpu;
#endif
- struct pt_regs regs;
+ /*
+ * This is passed along to the HV via H_ENTER_NESTED. Align to
+ * prevent it crossing a real 4K page.
+ */
+ struct pt_regs regs __aligned(512);
struct thread_fp_state fp;
@@ -574,6 +599,9 @@ struct kvm_vcpu_arch {
ulong dawrx0;
ulong dawr1;
ulong dawrx1;
+ ulong dexcr;
+ ulong hashkeyr;
+ ulong hashpkeyr;
ulong ciabr;
ulong cfar;
ulong ppr;
@@ -673,7 +701,6 @@ struct kvm_vcpu_arch {
u64 timing_min_duration[__NUMBER_OF_KVM_EXIT_TYPES];
u64 timing_max_duration[__NUMBER_OF_KVM_EXIT_TYPES];
u64 timing_last_exit;
- struct dentry *debugfs_exit_timing;
#endif
#ifdef CONFIG_PPC_BOOK3S
@@ -750,7 +777,7 @@ struct kvm_vcpu_arch {
u8 prodded;
u8 doorbell_request;
u8 irq_pending; /* Used by XIVE to signal pending guest irqs */
- u32 last_inst;
+ unsigned long last_inst;
struct rcuwait wait;
struct rcuwait *waitp;
@@ -810,7 +837,7 @@ struct kvm_vcpu_arch {
u64 busy_stolen;
u64 busy_preempt;
- u32 emul_inst;
+ u64 emul_inst;
u32 online;
@@ -818,21 +845,37 @@ struct kvm_vcpu_arch {
/* For support of nested guests */
struct kvm_nested_guest *nested;
+ u64 nested_hfscr; /* HFSCR that the L1 requested for the nested guest */
u32 nested_vcpu_id;
gpa_t nested_io_gpr;
+ /* For nested APIv2 guests*/
+ struct kvmhv_nestedv2_io nestedv2_io;
#endif
#ifdef CONFIG_KVM_BOOK3S_HV_EXIT_TIMING
struct kvmhv_tb_accumulator *cur_activity; /* What we're timing */
u64 cur_tb_start; /* when it started */
+#ifdef CONFIG_KVM_BOOK3S_HV_P9_TIMING
+ struct kvmhv_tb_accumulator vcpu_entry;
+ struct kvmhv_tb_accumulator vcpu_exit;
+ struct kvmhv_tb_accumulator in_guest;
+ struct kvmhv_tb_accumulator hcall;
+ struct kvmhv_tb_accumulator pg_fault;
+ struct kvmhv_tb_accumulator guest_entry;
+ struct kvmhv_tb_accumulator guest_exit;
+#else
struct kvmhv_tb_accumulator rm_entry; /* real-mode entry code */
struct kvmhv_tb_accumulator rm_intr; /* real-mode intr handling */
struct kvmhv_tb_accumulator rm_exit; /* real-mode exit code */
struct kvmhv_tb_accumulator guest_time; /* guest execution */
struct kvmhv_tb_accumulator cede_time; /* time napping inside guest */
-
- struct dentry *debugfs_dir;
+#endif
#endif /* CONFIG_KVM_BOOK3S_HV_EXIT_TIMING */
+#ifdef CONFIG_KVM_BOOK3S_HV_POSSIBLE
+ u64 l1_to_l2_cs;
+ u64 l2_to_l1_cs;
+ u64 l2_runtime_agg;
+#endif
};
#define VCPU_FPR(vcpu, i) (vcpu)->arch.fp.fpr[i][TS_FPROFFSET]
@@ -859,13 +902,8 @@ struct kvm_vcpu_arch {
#define __KVM_HAVE_ARCH_WQP
#define __KVM_HAVE_CREATE_DEVICE
-static inline void kvm_arch_hardware_disable(void) {}
-static inline void kvm_arch_hardware_unsetup(void) {}
-static inline void kvm_arch_sync_events(struct kvm *kvm) {}
static inline void kvm_arch_memslots_updated(struct kvm *kvm, u64 gen) {}
static inline void kvm_arch_flush_shadow_all(struct kvm *kvm) {}
-static inline void kvm_arch_sched_in(struct kvm_vcpu *vcpu, int cpu) {}
-static inline void kvm_arch_exit(void) {}
static inline void kvm_arch_vcpu_blocking(struct kvm_vcpu *vcpu) {}
static inline void kvm_arch_vcpu_unblocking(struct kvm_vcpu *vcpu) {}