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Diffstat (limited to 'arch/powerpc/include/asm/kvm_host.h')
-rw-r--r--arch/powerpc/include/asm/kvm_host.h169
1 files changed, 146 insertions, 23 deletions
diff --git a/arch/powerpc/include/asm/kvm_host.h b/arch/powerpc/include/asm/kvm_host.h
index 186f150b9b8..cc22b282d75 100644
--- a/arch/powerpc/include/asm/kvm_host.h
+++ b/arch/powerpc/include/asm/kvm_host.h
@@ -25,15 +25,23 @@
#include <linux/interrupt.h>
#include <linux/types.h>
#include <linux/kvm_types.h>
+#include <linux/threads.h>
+#include <linux/spinlock.h>
#include <linux/kvm_para.h>
+#include <linux/list.h>
+#include <linux/atomic.h>
#include <asm/kvm_asm.h>
+#include <asm/processor.h>
-#define KVM_MAX_VCPUS 1
+#define KVM_MAX_VCPUS NR_CPUS
+#define KVM_MAX_VCORES NR_CPUS
#define KVM_MEMORY_SLOTS 32
/* memory slots that does not exposed to userspace */
#define KVM_PRIVATE_MEM_SLOTS 4
+#ifdef CONFIG_KVM_MMIO
#define KVM_COALESCED_MMIO_PAGE_OFFSET 1
+#endif
/* We don't currently support large pages. */
#define KVM_HPAGE_GFN_SHIFT(x) 0
@@ -57,6 +65,10 @@ struct kvm;
struct kvm_run;
struct kvm_vcpu;
+struct lppaca;
+struct slb_shadow;
+struct dtl;
+
struct kvm_vm_stat {
u32 remote_tlb_flush;
};
@@ -133,9 +145,74 @@ struct kvmppc_exit_timing {
};
};
+struct kvmppc_pginfo {
+ unsigned long pfn;
+ atomic_t refcnt;
+};
+
+struct kvmppc_spapr_tce_table {
+ struct list_head list;
+ struct kvm *kvm;
+ u64 liobn;
+ u32 window_size;
+ struct page *pages[0];
+};
+
+struct kvmppc_rma_info {
+ void *base_virt;
+ unsigned long base_pfn;
+ unsigned long npages;
+ struct list_head list;
+ atomic_t use_count;
+};
+
struct kvm_arch {
+#ifdef CONFIG_KVM_BOOK3S_64_HV
+ unsigned long hpt_virt;
+ unsigned long ram_npages;
+ unsigned long ram_psize;
+ unsigned long ram_porder;
+ struct kvmppc_pginfo *ram_pginfo;
+ unsigned int lpid;
+ unsigned int host_lpid;
+ unsigned long host_lpcr;
+ unsigned long sdr1;
+ unsigned long host_sdr1;
+ int tlbie_lock;
+ int n_rma_pages;
+ unsigned long lpcr;
+ unsigned long rmor;
+ struct kvmppc_rma_info *rma;
+ struct list_head spapr_tce_tables;
+ unsigned short last_vcpu[NR_CPUS];
+ struct kvmppc_vcore *vcores[KVM_MAX_VCORES];
+#endif /* CONFIG_KVM_BOOK3S_64_HV */
};
+/*
+ * Struct for a virtual core.
+ * Note: entry_exit_count combines an entry count in the bottom 8 bits
+ * and an exit count in the next 8 bits. This is so that we can
+ * atomically increment the entry count iff the exit count is 0
+ * without taking the lock.
+ */
+struct kvmppc_vcore {
+ int n_runnable;
+ int n_blocked;
+ int num_threads;
+ int entry_exit_count;
+ int n_woken;
+ int nap_count;
+ u16 pcpu;
+ u8 vcore_running;
+ u8 in_guest;
+ struct list_head runnable_threads;
+ spinlock_t lock;
+};
+
+#define VCORE_ENTRY_COUNT(vc) ((vc)->entry_exit_count & 0xff)
+#define VCORE_EXIT_COUNT(vc) ((vc)->entry_exit_count >> 8)
+
struct kvmppc_pte {
ulong eaddr;
u64 vpage;
@@ -163,16 +240,18 @@ struct kvmppc_mmu {
bool (*is_dcbz32)(struct kvm_vcpu *vcpu);
};
-struct hpte_cache {
- struct hlist_node list_pte;
- struct hlist_node list_pte_long;
- struct hlist_node list_vpte;
- struct hlist_node list_vpte_long;
- struct rcu_head rcu_head;
- u64 host_va;
- u64 pfn;
- ulong slot;
- struct kvmppc_pte pte;
+struct kvmppc_slb {
+ u64 esid;
+ u64 vsid;
+ u64 orige;
+ u64 origv;
+ bool valid : 1;
+ bool Ks : 1;
+ bool Kp : 1;
+ bool nx : 1;
+ bool large : 1; /* PTEs are 16MB */
+ bool tb : 1; /* 1TB segment */
+ bool class : 1;
};
struct kvm_vcpu_arch {
@@ -187,6 +266,9 @@ struct kvm_vcpu_arch {
ulong highmem_handler;
ulong rmcall;
ulong host_paca_phys;
+ struct kvmppc_slb slb[64];
+ int slb_max; /* 1 + index of last valid entry in slb[] */
+ int slb_nr; /* total number of entries in SLB */
struct kvmppc_mmu mmu;
#endif
@@ -195,13 +277,19 @@ struct kvm_vcpu_arch {
u64 fpr[32];
u64 fpscr;
+#ifdef CONFIG_SPE
+ ulong evr[32];
+ ulong spefscr;
+ ulong host_spefscr;
+ u64 acc;
+#endif
#ifdef CONFIG_ALTIVEC
vector128 vr[32];
vector128 vscr;
#endif
#ifdef CONFIG_VSX
- u64 vsr[32];
+ u64 vsr[64];
#endif
#ifdef CONFIG_PPC_BOOK3S
@@ -209,22 +297,27 @@ struct kvm_vcpu_arch {
u32 qpr[32];
#endif
-#ifdef CONFIG_BOOKE
ulong pc;
ulong ctr;
ulong lr;
ulong xer;
u32 cr;
-#endif
#ifdef CONFIG_PPC_BOOK3S
- ulong shadow_msr;
ulong hflags;
ulong guest_owned_ext;
+ ulong purr;
+ ulong spurr;
+ ulong dscr;
+ ulong amr;
+ ulong uamor;
+ u32 ctrl;
+ ulong dabr;
#endif
u32 vrsave; /* also USPRG0 */
u32 mmucr;
+ ulong shadow_msr;
ulong sprg4;
ulong sprg5;
ulong sprg6;
@@ -249,6 +342,7 @@ struct kvm_vcpu_arch {
u32 pvr;
u32 shadow_pid;
+ u32 shadow_pid1;
u32 pid;
u32 swap_pid;
@@ -258,6 +352,9 @@ struct kvm_vcpu_arch {
u32 dbcr1;
u32 dbsr;
+ u64 mmcr[3];
+ u32 pmc[8];
+
#ifdef CONFIG_KVM_EXIT_TIMING
struct mutex exit_timing_lock;
struct kvmppc_exit_timing timing_exit;
@@ -272,8 +369,12 @@ struct kvm_vcpu_arch {
struct dentry *debugfs_exit_timing;
#endif
+#ifdef CONFIG_PPC_BOOK3S
+ ulong fault_dar;
+ u32 fault_dsisr;
+#endif
+
#ifdef CONFIG_BOOKE
- u32 last_inst;
ulong fault_dear;
ulong fault_esr;
ulong queued_dear;
@@ -288,25 +389,47 @@ struct kvm_vcpu_arch {
u8 dcr_is_write;
u8 osi_needed;
u8 osi_enabled;
+ u8 hcall_needed;
u32 cpr0_cfgaddr; /* holds the last set cpr0_cfgaddr */
struct hrtimer dec_timer;
struct tasklet_struct tasklet;
u64 dec_jiffies;
+ u64 dec_expires;
unsigned long pending_exceptions;
+ u16 last_cpu;
+ u8 ceded;
+ u8 prodded;
+ u32 last_inst;
+
+ struct lppaca *vpa;
+ struct slb_shadow *slb_shadow;
+ struct dtl *dtl;
+ struct dtl *dtl_end;
+
+ struct kvmppc_vcore *vcore;
+ int ret;
+ int trap;
+ int state;
+ int ptid;
+ wait_queue_head_t cpu_run;
+
struct kvm_vcpu_arch_shared *shared;
unsigned long magic_page_pa; /* phys addr to map the magic page to */
unsigned long magic_page_ea; /* effect. addr to map the magic page to */
-#ifdef CONFIG_PPC_BOOK3S
- struct hlist_head hpte_hash_pte[HPTEG_HASH_NUM_PTE];
- struct hlist_head hpte_hash_pte_long[HPTEG_HASH_NUM_PTE_LONG];
- struct hlist_head hpte_hash_vpte[HPTEG_HASH_NUM_VPTE];
- struct hlist_head hpte_hash_vpte_long[HPTEG_HASH_NUM_VPTE_LONG];
- int hpte_cache_count;
- spinlock_t mmu_lock;
+#ifdef CONFIG_KVM_BOOK3S_64_HV
+ struct kvm_vcpu_arch_shared shregs;
+
+ struct list_head run_list;
+ struct task_struct *run_task;
+ struct kvm_run *kvm_run;
#endif
};
+#define KVMPPC_VCPU_BUSY_IN_HOST 0
+#define KVMPPC_VCPU_BLOCKED 1
+#define KVMPPC_VCPU_RUNNABLE 2
+
#endif /* __POWERPC_KVM_HOST_H__ */
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2024-11-27 16:40:05 +0000