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authorLinus Torvalds <torvalds@linux-foundation.org>2011-10-30 15:36:45 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2011-10-30 15:36:45 -0700
commit1bc87b00556e8f7ba30a1010471951c5b8f71114 (patch)
treee73c2d187e2dff0df97ed82e32b45e362b923117
parentacff987d94cbdb4049f3706bed1f1792f8ef6837 (diff)
parentf1c1da2bde712812a3e0f9a7a7ebe7a916a4b5f4 (diff)
Merge branch 'kvm-updates/3.2' of git://git.kernel.org/pub/scm/linux/kernel/git/avi/kvm
* 'kvm-updates/3.2' of git://git.kernel.org/pub/scm/linux/kernel/git/avi/kvm: (75 commits) KVM: SVM: Keep intercepting task switching with NPT enabled KVM: s390: implement sigp external call KVM: s390: fix register setting KVM: s390: fix return value of kvm_arch_init_vm KVM: s390: check cpu_id prior to using it KVM: emulate lapic tsc deadline timer for guest x86: TSC deadline definitions KVM: Fix simultaneous NMIs KVM: x86 emulator: convert push %sreg/pop %sreg to direct decode KVM: x86 emulator: switch lds/les/lss/lfs/lgs to direct decode KVM: x86 emulator: streamline decode of segment registers KVM: x86 emulator: simplify OpMem64 decode KVM: x86 emulator: switch src decode to decode_operand() KVM: x86 emulator: qualify OpReg inhibit_byte_regs hack KVM: x86 emulator: switch OpImmUByte decode to decode_imm() KVM: x86 emulator: free up some flag bits near src, dst KVM: x86 emulator: switch src2 to generic decode_operand() KVM: x86 emulator: expand decode flags to 64 bits KVM: x86 emulator: split dst decode to a generic decode_operand() KVM: x86 emulator: move memop, memopp into emulation context ...
-rw-r--r--Documentation/kernel-parameters.txt4
-rw-r--r--Documentation/virtual/kvm/api.txt71
-rw-r--r--arch/powerpc/include/asm/kvm.h13
-rw-r--r--arch/powerpc/include/asm/kvm_book3s.h40
-rw-r--r--arch/powerpc/include/asm/kvm_book3s_asm.h2
-rw-r--r--arch/powerpc/include/asm/kvm_host.h30
-rw-r--r--arch/powerpc/include/asm/kvm_ppc.h1
-rw-r--r--arch/powerpc/kernel/asm-offsets.c13
-rw-r--r--arch/powerpc/kernel/exceptions-64s.S10
-rw-r--r--arch/powerpc/kvm/44x.c2
-rw-r--r--arch/powerpc/kvm/Makefile4
-rw-r--r--arch/powerpc/kvm/book3s_32_sr.S2
-rw-r--r--arch/powerpc/kvm/book3s_64_mmu.c8
-rw-r--r--arch/powerpc/kvm/book3s_64_slb.S2
-rw-r--r--arch/powerpc/kvm/book3s_emulate.c29
-rw-r--r--arch/powerpc/kvm/book3s_exports.c4
-rw-r--r--arch/powerpc/kvm/book3s_hv.c343
-rw-r--r--arch/powerpc/kvm/book3s_hv_rm_mmu.c33
-rw-r--r--arch/powerpc/kvm/book3s_hv_rmhandlers.S300
-rw-r--r--arch/powerpc/kvm/book3s_interrupts.S129
-rw-r--r--arch/powerpc/kvm/book3s_pr.c58
-rw-r--r--arch/powerpc/kvm/book3s_pr_papr.c158
-rw-r--r--arch/powerpc/kvm/book3s_rmhandlers.S54
-rw-r--r--arch/powerpc/kvm/book3s_segment.S117
-rw-r--r--arch/powerpc/kvm/booke.c10
-rw-r--r--arch/powerpc/kvm/e500.c2
-rw-r--r--arch/powerpc/kvm/powerpc.c55
-rw-r--r--arch/s390/include/asm/kvm_host.h7
-rw-r--r--arch/s390/kvm/interrupt.c30
-rw-r--r--arch/s390/kvm/kvm-s390.c20
-rw-r--r--arch/s390/kvm/sigp.c45
-rw-r--r--arch/x86/include/asm/apicdef.h2
-rw-r--r--arch/x86/include/asm/cpufeature.h1
-rw-r--r--arch/x86/include/asm/kvm_emulate.h4
-rw-r--r--arch/x86/include/asm/kvm_host.h14
-rw-r--r--arch/x86/include/asm/msr-index.h2
-rw-r--r--arch/x86/include/asm/vmx.h12
-rw-r--r--arch/x86/kvm/emulate.c867
-rw-r--r--arch/x86/kvm/i8254.c6
-rw-r--r--arch/x86/kvm/i8259.c123
-rw-r--r--arch/x86/kvm/irq.h4
-rw-r--r--arch/x86/kvm/kvm_cache_regs.h7
-rw-r--r--arch/x86/kvm/kvm_timer.h2
-rw-r--r--arch/x86/kvm/lapic.c167
-rw-r--r--arch/x86/kvm/lapic.h4
-rw-r--r--arch/x86/kvm/mmu.c5
-rw-r--r--arch/x86/kvm/mmu_audit.c6
-rw-r--r--arch/x86/kvm/paging_tmpl.h24
-rw-r--r--arch/x86/kvm/svm.c93
-rw-r--r--arch/x86/kvm/trace.h118
-rw-r--r--arch/x86/kvm/vmx.c131
-rw-r--r--arch/x86/kvm/x86.c274
-rw-r--r--include/linux/kvm.h6
-rw-r--r--include/linux/kvm_host.h32
-rw-r--r--virt/kvm/assigned-dev.c62
-rw-r--r--virt/kvm/coalesced_mmio.c131
-rw-r--r--virt/kvm/coalesced_mmio.h7
-rw-r--r--virt/kvm/eventfd.c3
-rw-r--r--virt/kvm/ioapic.c3
-rw-r--r--virt/kvm/kvm_main.c112
60 files changed, 2449 insertions, 1369 deletions
diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt
index 93413ce9688..27e0488d54d 100644
--- a/Documentation/kernel-parameters.txt
+++ b/Documentation/kernel-parameters.txt
@@ -1201,6 +1201,10 @@ bytes respectively. Such letter suffixes can also be entirely omitted.
[KVM,Intel] Disable FlexPriority feature (TPR shadow).
Default is 1 (enabled)
+ kvm-intel.nested=
+ [KVM,Intel] Enable VMX nesting (nVMX).
+ Default is 0 (disabled)
+
kvm-intel.unrestricted_guest=
[KVM,Intel] Disable unrestricted guest feature
(virtualized real and unpaged mode) on capable
diff --git a/Documentation/virtual/kvm/api.txt b/Documentation/virtual/kvm/api.txt
index b0e4b9cd6a6..7945b0bd35e 100644
--- a/Documentation/virtual/kvm/api.txt
+++ b/Documentation/virtual/kvm/api.txt
@@ -175,10 +175,30 @@ Parameters: vcpu id (apic id on x86)
Returns: vcpu fd on success, -1 on error
This API adds a vcpu to a virtual machine. The vcpu id is a small integer
-in the range [0, max_vcpus). You can use KVM_CAP_NR_VCPUS of the
-KVM_CHECK_EXTENSION ioctl() to determine the value for max_vcpus at run-time.
+in the range [0, max_vcpus).
+
+The recommended max_vcpus value can be retrieved using the KVM_CAP_NR_VCPUS of
+the KVM_CHECK_EXTENSION ioctl() at run-time.
+The maximum possible value for max_vcpus can be retrieved using the
+KVM_CAP_MAX_VCPUS of the KVM_CHECK_EXTENSION ioctl() at run-time.
+
If the KVM_CAP_NR_VCPUS does not exist, you should assume that max_vcpus is 4
cpus max.
+If the KVM_CAP_MAX_VCPUS does not exist, you should assume that max_vcpus is
+same as the value returned from KVM_CAP_NR_VCPUS.
+
+On powerpc using book3s_hv mode, the vcpus are mapped onto virtual
+threads in one or more virtual CPU cores. (This is because the
+hardware requires all the hardware threads in a CPU core to be in the
+same partition.) The KVM_CAP_PPC_SMT capability indicates the number
+of vcpus per virtual core (vcore). The vcore id is obtained by
+dividing the vcpu id by the number of vcpus per vcore. The vcpus in a
+given vcore will always be in the same physical core as each other
+(though that might be a different physical core from time to time).
+Userspace can control the threading (SMT) mode of the guest by its
+allocation of vcpu ids. For example, if userspace wants
+single-threaded guest vcpus, it should make all vcpu ids be a multiple
+of the number of vcpus per vcore.
On powerpc using book3s_hv mode, the vcpus are mapped onto virtual
threads in one or more virtual CPU cores. (This is because the
@@ -1633,3 +1653,50 @@ developer registration required to access it).
char padding[256];
};
};
+
+6. Capabilities that can be enabled
+
+There are certain capabilities that change the behavior of the virtual CPU when
+enabled. To enable them, please see section 4.37. Below you can find a list of
+capabilities and what their effect on the vCPU is when enabling them.
+
+The following information is provided along with the description:
+
+ Architectures: which instruction set architectures provide this ioctl.
+ x86 includes both i386 and x86_64.
+
+ Parameters: what parameters are accepted by the capability.
+
+ Returns: the return value. General error numbers (EBADF, ENOMEM, EINVAL)
+ are not detailed, but errors with specific meanings are.
+
+6.1 KVM_CAP_PPC_OSI
+
+Architectures: ppc
+Parameters: none
+Returns: 0 on success; -1 on error
+
+This capability enables interception of OSI hypercalls that otherwise would
+be treated as normal system calls to be injected into the guest. OSI hypercalls
+were invented by Mac-on-Linux to have a standardized communication mechanism
+between the guest and the host.
+
+When this capability is enabled, KVM_EXIT_OSI can occur.
+
+6.2 KVM_CAP_PPC_PAPR
+
+Architectures: ppc
+Parameters: none
+Returns: 0 on success; -1 on error
+
+This capability enables interception of PAPR hypercalls. PAPR hypercalls are
+done using the hypercall instruction "sc 1".
+
+It also sets the guest privilege level to "supervisor" mode. Usually the guest
+runs in "hypervisor" privilege mode with a few missing features.
+
+In addition to the above, it changes the semantics of SDR1. In this mode, the
+HTAB address part of SDR1 contains an HVA instead of a GPA, as PAPR keeps the
+HTAB invisible to the guest.
+
+When this capability is enabled, KVM_EXIT_PAPR_HCALL can occur.
diff --git a/arch/powerpc/include/asm/kvm.h b/arch/powerpc/include/asm/kvm.h
index a4f6c85431f..08fe69edcd1 100644
--- a/arch/powerpc/include/asm/kvm.h
+++ b/arch/powerpc/include/asm/kvm.h
@@ -149,6 +149,12 @@ struct kvm_regs {
#define KVM_SREGS_E_UPDATE_DBSR (1 << 3)
/*
+ * Book3S special bits to indicate contents in the struct by maintaining
+ * backwards compatibility with older structs. If adding a new field,
+ * please make sure to add a flag for that new field */
+#define KVM_SREGS_S_HIOR (1 << 0)
+
+/*
* In KVM_SET_SREGS, reserved/pad fields must be left untouched from a
* previous KVM_GET_REGS.
*
@@ -173,6 +179,8 @@ struct kvm_sregs {
__u64 ibat[8];
__u64 dbat[8];
} ppc32;
+ __u64 flags; /* KVM_SREGS_S_ */
+ __u64 hior;
} s;
struct {
union {
@@ -276,6 +284,11 @@ struct kvm_guest_debug_arch {
#define KVM_INTERRUPT_UNSET -2U
#define KVM_INTERRUPT_SET_LEVEL -3U
+#define KVM_CPU_440 1
+#define KVM_CPU_E500V2 2
+#define KVM_CPU_3S_32 3
+#define KVM_CPU_3S_64 4
+
/* for KVM_CAP_SPAPR_TCE */
struct kvm_create_spapr_tce {
__u64 liobn;
diff --git a/arch/powerpc/include/asm/kvm_book3s.h b/arch/powerpc/include/asm/kvm_book3s.h
index 98da010252a..a384ffdf33d 100644
--- a/arch/powerpc/include/asm/kvm_book3s.h
+++ b/arch/powerpc/include/asm/kvm_book3s.h
@@ -90,6 +90,8 @@ struct kvmppc_vcpu_book3s {
#endif
int context_id[SID_CONTEXTS];
+ bool hior_sregs; /* HIOR is set by SREGS, not PVR */
+
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];
@@ -139,15 +141,14 @@ extern void kvmppc_giveup_ext(struct kvm_vcpu *vcpu, ulong msr);
extern int kvmppc_emulate_paired_single(struct kvm_run *run, struct kvm_vcpu *vcpu);
extern pfn_t kvmppc_gfn_to_pfn(struct kvm_vcpu *vcpu, gfn_t gfn);
-extern void kvmppc_handler_lowmem_trampoline(void);
-extern void kvmppc_handler_trampoline_enter(void);
-extern void kvmppc_rmcall(ulong srr0, ulong srr1);
+extern void kvmppc_entry_trampoline(void);
extern void kvmppc_hv_entry_trampoline(void);
extern void kvmppc_load_up_fpu(void);
extern void kvmppc_load_up_altivec(void);
extern void kvmppc_load_up_vsx(void);
extern u32 kvmppc_alignment_dsisr(struct kvm_vcpu *vcpu, unsigned int inst);
extern ulong kvmppc_alignment_dar(struct kvm_vcpu *vcpu, unsigned int inst);
+extern int kvmppc_h_pr(struct kvm_vcpu *vcpu, unsigned long cmd);
static inline struct kvmppc_vcpu_book3s *to_book3s(struct kvm_vcpu *vcpu)
{
@@ -382,6 +383,39 @@ static inline bool kvmppc_critical_section(struct kvm_vcpu *vcpu)
}
#endif
+static inline unsigned long compute_tlbie_rb(unsigned long v, unsigned long r,
+ unsigned long pte_index)
+{
+ unsigned long rb, va_low;
+
+ rb = (v & ~0x7fUL) << 16; /* AVA field */
+ va_low = pte_index >> 3;
+ if (v & HPTE_V_SECONDARY)
+ va_low = ~va_low;
+ /* xor vsid from AVA */
+ if (!(v & HPTE_V_1TB_SEG))
+ va_low ^= v >> 12;
+ else
+ va_low ^= v >> 24;
+ va_low &= 0x7ff;
+ if (v & HPTE_V_LARGE) {
+ rb |= 1; /* L field */
+ if (cpu_has_feature(CPU_FTR_ARCH_206) &&
+ (r & 0xff000)) {
+ /* non-16MB large page, must be 64k */
+ /* (masks depend on page size) */
+ rb |= 0x1000; /* page encoding in LP field */
+ rb |= (va_low & 0x7f) << 16; /* 7b of VA in AVA/LP field */
+ rb |= (va_low & 0xfe); /* AVAL field (P7 doesn't seem to care) */
+ }
+ } else {
+ /* 4kB page */
+ rb |= (va_low & 0x7ff) << 12; /* remaining 11b of VA */
+ }
+ rb |= (v >> 54) & 0x300; /* B field */
+ return rb;
+}
+
/* Magic register values loaded into r3 and r4 before the 'sc' assembly
* instruction for the OSI hypercalls */
#define OSI_SC_MAGIC_R3 0x113724FA
diff --git a/arch/powerpc/include/asm/kvm_book3s_asm.h b/arch/powerpc/include/asm/kvm_book3s_asm.h
index ef7b3688c3b..1f2f5b6156b 100644
--- a/arch/powerpc/include/asm/kvm_book3s_asm.h
+++ b/arch/powerpc/include/asm/kvm_book3s_asm.h
@@ -75,6 +75,8 @@ struct kvmppc_host_state {
ulong scratch0;
ulong scratch1;
u8 in_guest;
+ u8 restore_hid5;
+ u8 napping;
#ifdef CONFIG_KVM_BOOK3S_64_HV
struct kvm_vcpu *kvm_vcpu;
diff --git a/arch/powerpc/include/asm/kvm_host.h b/arch/powerpc/include/asm/kvm_host.h
index cc22b282d75..bf8af5d5d5d 100644
--- a/arch/powerpc/include/asm/kvm_host.h
+++ b/arch/powerpc/include/asm/kvm_host.h
@@ -198,21 +198,29 @@ struct kvm_arch {
*/
struct kvmppc_vcore {
int n_runnable;
- int n_blocked;
+ int n_busy;
int num_threads;
int entry_exit_count;
int n_woken;
int nap_count;
+ int napping_threads;
u16 pcpu;
- u8 vcore_running;
+ u8 vcore_state;
u8 in_guest;
struct list_head runnable_threads;
spinlock_t lock;
+ wait_queue_head_t wq;
};
#define VCORE_ENTRY_COUNT(vc) ((vc)->entry_exit_count & 0xff)
#define VCORE_EXIT_COUNT(vc) ((vc)->entry_exit_count >> 8)
+/* Values for vcore_state */
+#define VCORE_INACTIVE 0
+#define VCORE_RUNNING 1
+#define VCORE_EXITING 2
+#define VCORE_SLEEPING 3
+
struct kvmppc_pte {
ulong eaddr;
u64 vpage;
@@ -258,14 +266,6 @@ struct kvm_vcpu_arch {
ulong host_stack;
u32 host_pid;
#ifdef CONFIG_PPC_BOOK3S
- ulong host_msr;
- ulong host_r2;
- void *host_retip;
- ulong trampoline_lowmem;
- ulong trampoline_enter;
- 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 */
@@ -389,6 +389,9 @@ struct kvm_vcpu_arch {
u8 dcr_is_write;
u8 osi_needed;
u8 osi_enabled;
+ u8 papr_enabled;
+ u8 sane;
+ u8 cpu_type;
u8 hcall_needed;
u32 cpr0_cfgaddr; /* holds the last set cpr0_cfgaddr */
@@ -408,11 +411,13 @@ struct kvm_vcpu_arch {
struct dtl *dtl;
struct dtl *dtl_end;
+ wait_queue_head_t *wqp;
struct kvmppc_vcore *vcore;
int ret;
int trap;
int state;
int ptid;
+ bool timer_running;
wait_queue_head_t cpu_run;
struct kvm_vcpu_arch_shared *shared;
@@ -428,8 +433,9 @@ struct kvm_vcpu_arch {
#endif
};
-#define KVMPPC_VCPU_BUSY_IN_HOST 0
-#define KVMPPC_VCPU_BLOCKED 1
+/* Values for vcpu->arch.state */
+#define KVMPPC_VCPU_STOPPED 0
+#define KVMPPC_VCPU_BUSY_IN_HOST 1
#define KVMPPC_VCPU_RUNNABLE 2
#endif /* __POWERPC_KVM_HOST_H__ */
diff --git a/arch/powerpc/include/asm/kvm_ppc.h b/arch/powerpc/include/asm/kvm_ppc.h
index d121f49d62b..46efd1a265c 100644
--- a/arch/powerpc/include/asm/kvm_ppc.h
+++ b/arch/powerpc/include/asm/kvm_ppc.h
@@ -66,6 +66,7 @@ extern int kvmppc_emulate_instruction(struct kvm_run *run,
extern int kvmppc_emulate_mmio(struct kvm_run *run, struct kvm_vcpu *vcpu);
extern void kvmppc_emulate_dec(struct kvm_vcpu *vcpu);
extern u32 kvmppc_get_dec(struct kvm_vcpu *vcpu, u64 tb);
+extern int kvmppc_sanity_check(struct kvm_vcpu *vcpu);
/* Core-specific hooks */
diff --git a/arch/powerpc/kernel/asm-offsets.c b/arch/powerpc/kernel/asm-offsets.c
index 5f078bc2063..69f7ffe7f67 100644
--- a/arch/powerpc/kernel/asm-offsets.c
+++ b/arch/powerpc/kernel/asm-offsets.c
@@ -44,6 +44,7 @@
#include <asm/compat.h>
#include <asm/mmu.h>
#include <asm/hvcall.h>
+#include <asm/xics.h>
#endif
#ifdef CONFIG_PPC_ISERIES
#include <asm/iseries/alpaca.h>
@@ -449,8 +450,6 @@ int main(void)
#ifdef CONFIG_PPC_BOOK3S
DEFINE(VCPU_KVM, offsetof(struct kvm_vcpu, kvm));
DEFINE(VCPU_VCPUID, offsetof(struct kvm_vcpu, vcpu_id));
- DEFINE(VCPU_HOST_RETIP, offsetof(struct kvm_vcpu, arch.host_retip));
- DEFINE(VCPU_HOST_MSR, offsetof(struct kvm_vcpu, arch.host_msr));
DEFINE(VCPU_PURR, offsetof(struct kvm_vcpu, arch.purr));
DEFINE(VCPU_SPURR, offsetof(struct kvm_vcpu, arch.spurr));
DEFINE(VCPU_DSCR, offsetof(struct kvm_vcpu, arch.dscr));
@@ -458,14 +457,12 @@ int main(void)
DEFINE(VCPU_UAMOR, offsetof(struct kvm_vcpu, arch.uamor));
DEFINE(VCPU_CTRL, offsetof(struct kvm_vcpu, arch.ctrl));
DEFINE(VCPU_DABR, offsetof(struct kvm_vcpu, arch.dabr));
- DEFINE(VCPU_TRAMPOLINE_LOWMEM, offsetof(struct kvm_vcpu, arch.trampoline_lowmem));
- DEFINE(VCPU_TRAMPOLINE_ENTER, offsetof(struct kvm_vcpu, arch.trampoline_enter));
- DEFINE(VCPU_HIGHMEM_HANDLER, offsetof(struct kvm_vcpu, arch.highmem_handler));
- DEFINE(VCPU_RMCALL, offsetof(struct kvm_vcpu, arch.rmcall));
DEFINE(VCPU_HFLAGS, offsetof(struct kvm_vcpu, arch.hflags));
DEFINE(VCPU_DEC, offsetof(struct kvm_vcpu, arch.dec));
DEFINE(VCPU_DEC_EXPIRES, offsetof(struct kvm_vcpu, arch.dec_expires));
DEFINE(VCPU_PENDING_EXC, offsetof(struct kvm_vcpu, arch.pending_exceptions));
+ DEFINE(VCPU_CEDED, offsetof(struct kvm_vcpu, arch.ceded));
+ DEFINE(VCPU_PRODDED, offsetof(struct kvm_vcpu, arch.prodded));
DEFINE(VCPU_VPA, offsetof(struct kvm_vcpu, arch.vpa));
DEFINE(VCPU_MMCR, offsetof(struct kvm_vcpu, arch.mmcr));
DEFINE(VCPU_PMC, offsetof(struct kvm_vcpu, arch.pmc));
@@ -481,6 +478,7 @@ int main(void)
DEFINE(VCORE_ENTRY_EXIT, offsetof(struct kvmppc_vcore, entry_exit_count));
DEFINE(VCORE_NAP_COUNT, offsetof(struct kvmppc_vcore, nap_count));
DEFINE(VCORE_IN_GUEST, offsetof(struct kvmppc_vcore, in_guest));
+ DEFINE(VCORE_NAPPING_THREADS, offsetof(struct kvmppc_vcore, napping_threads));
DEFINE(VCPU_SVCPU, offsetof(struct kvmppc_vcpu_book3s, shadow_vcpu) -
offsetof(struct kvmppc_vcpu_book3s, vcpu));
DEFINE(VCPU_SLB_E, offsetof(struct kvmppc_slb, orige));
@@ -537,6 +535,8 @@ int main(void)
HSTATE_FIELD(HSTATE_SCRATCH0, scratch0);
HSTATE_FIELD(HSTATE_SCRATCH1, scratch1);
HSTATE_FIELD(HSTATE_IN_GUEST, in_guest);
+ HSTATE_FIELD(HSTATE_RESTORE_HID5, restore_hid5);
+ HSTATE_FIELD(HSTATE_NAPPING, napping);
#ifdef CONFIG_KVM_BOOK3S_64_HV
HSTATE_FIELD(HSTATE_KVM_VCPU, kvm_vcpu);
@@ -549,6 +549,7 @@ int main(void)
HSTATE_FIELD(HSTATE_DSCR, host_dscr);
HSTATE_FIELD(HSTATE_DABR, dabr);
HSTATE_FIELD(HSTATE_DECEXP, dec_expires);
+ DEFINE(IPI_PRIORITY, IPI_PRIORITY);
#endif /* CONFIG_KVM_BOOK3S_64_HV */
#else /* CONFIG_PPC_BOOK3S */
diff --git a/arch/powerpc/kernel/exceptions-64s.S b/arch/powerpc/kernel/exceptions-64s.S
index 41b02c792aa..29ddd8b1c27 100644
--- a/arch/powerpc/kernel/exceptions-64s.S
+++ b/arch/powerpc/kernel/exceptions-64s.S
@@ -427,16 +427,6 @@ slb_miss_user_pseries:
b . /* prevent spec. execution */
#endif /* __DISABLED__ */
-/* KVM's trampoline code needs to be close to the interrupt handlers */
-
-#ifdef CONFIG_KVM_BOOK3S_64_HANDLER
-#ifdef CONFIG_KVM_BOOK3S_PR
-#include "../kvm/book3s_rmhandlers.S"
-#else
-#include "../kvm/book3s_hv_rmhandlers.S"
-#endif
-#endif
-
.align 7
.globl __end_interrupts
__end_interrupts:
diff --git a/arch/powerpc/kvm/44x.c b/arch/powerpc/kvm/44x.c
index da3a1225c0a..ca1f88b3dc5 100644
--- a/arch/powerpc/kvm/44x.c
+++ b/arch/powerpc/kvm/44x.c
@@ -78,6 +78,8 @@ int kvmppc_core_vcpu_setup(struct kvm_vcpu *vcpu)
for (i = 0; i < ARRAY_SIZE(vcpu_44x->shadow_refs); i++)
vcpu_44x->shadow_refs[i].gtlb_index = -1;
+ vcpu->arch.cpu_type = KVM_CPU_440;
+
return 0;
}
diff --git a/arch/powerpc/kvm/Makefile b/arch/powerpc/kvm/Makefile
index 08428e2c188..3688aeecc4b 100644
--- a/arch/powerpc/kvm/Makefile
+++ b/arch/powerpc/kvm/Makefile
@@ -43,18 +43,22 @@ kvm-book3s_64-objs-$(CONFIG_KVM_BOOK3S_64_PR) := \
fpu.o \
book3s_paired_singles.o \
book3s_pr.o \
+ book3s_pr_papr.o \
book3s_emulate.o \
book3s_interrupts.o \
book3s_mmu_hpte.o \
book3s_64_mmu_host.o \
book3s_64_mmu.o \
book3s_32_mmu.o
+kvm-book3s_64-builtin-objs-$(CONFIG_KVM_BOOK3S_64_PR) := \
+ book3s_rmhandlers.o
kvm-book3s_64-objs-$(CONFIG_KVM_BOOK3S_64_HV) := \
book3s_hv.o \
book3s_hv_interrupts.o \
book3s_64_mmu_hv.o
kvm-book3s_64-builtin-objs-$(CONFIG_KVM_BOOK3S_64_HV) := \
+ book3s_hv_rmhandlers.o \
book3s_hv_rm_mmu.o \
book3s_64_vio_hv.o \
book3s_hv_builtin.o
diff --git a/arch/powerpc/kvm/book3s_32_sr.S b/arch/powerpc/kvm/book3s_32_sr.S
index 3608471ad2d..7e06a6fc8d0 100644
--- a/arch/powerpc/kvm/book3s_32_sr.S
+++ b/arch/powerpc/kvm/book3s_32_sr.S
@@ -31,7 +31,7 @@
* R1 = host R1
* R2 = host R2
* R3 = shadow vcpu
- * all other volatile GPRS = free
+ * all other volatile GPRS = free except R4, R6
* SVCPU[CR] = guest CR
* SVCPU[XER] = guest XER
* SVCPU[CTR] = guest CTR
diff --git a/arch/powerpc/kvm/book3s_64_mmu.c b/arch/powerpc/kvm/book3s_64_mmu.c
index c6d3e194b6b..b871721c005 100644
--- a/arch/powerpc/kvm/book3s_64_mmu.c
+++ b/arch/powerpc/kvm/book3s_64_mmu.c
@@ -128,7 +128,13 @@ static hva_t kvmppc_mmu_book3s_64_get_pteg(
dprintk("MMU: page=0x%x sdr1=0x%llx pteg=0x%llx vsid=0x%llx\n",
page, vcpu_book3s->sdr1, pteg, slbe->vsid);
- r = gfn_to_hva(vcpu_book3s->vcpu.kvm, pteg >> PAGE_SHIFT);
+ /* When running a PAPR guest, SDR1 contains a HVA address instead
+ of a GPA */
+ if (vcpu_book3s->vcpu.arch.papr_enabled)
+ r = pteg;
+ else
+ r = gfn_to_hva(vcpu_book3s->vcpu.kvm, pteg >> PAGE_SHIFT);
+
if (kvm_is_error_hva(r))
return r;
return r | (pteg & ~PAGE_MASK);
diff --git a/arch/powerpc/kvm/book3s_64_slb.S b/arch/powerpc/kvm/book3s_64_slb.S
index 04e7d3bbfe8..f2e6e48ea46 100644
--- a/arch/powerpc/kvm/book3s_64_slb.S
+++ b/arch/powerpc/kvm/book3s_64_slb.S
@@ -53,7 +53,7 @@ slb_exit_skip_ ## num:
* R1 = host R1
* R2 = host R2
* R3 = shadow vcpu
- * all other volatile GPRS = free
+ * all other volatile GPRS = free except R4, R6
* SVCPU[CR] = guest CR
* SVCPU[XER] = guest XER
* SVCPU[CTR] = guest CTR
diff --git a/arch/powerpc/kvm/book3s_emulate.c b/arch/powerpc/kvm/book3s_emulate.c
index 46684655708..0c9dc62532d 100644
--- a/arch/powerpc/kvm/book3s_emulate.c
+++ b/arch/powerpc/kvm/book3s_emulate.c
@@ -63,6 +63,25 @@
* function pointers, so let's just disable the define. */
#undef mfsrin
+enum priv_level {
+ PRIV_PROBLEM = 0,
+ PRIV_SUPER = 1,
+ PRIV_HYPER = 2,
+};
+
+static bool spr_allowed(struct kvm_vcpu *vcpu, enum priv_level level)
+{
+ /* PAPR VMs only access supervisor SPRs */
+ if (vcpu->arch.papr_enabled && (level > PRIV_SUPER))
+ return false;
+
+ /* Limit user space to its own small SPR set */
+ if ((vcpu->arch.shared->msr & MSR_PR) && level > PRIV_PROBLEM)
+