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authorLinus Torvalds <torvalds@linux-foundation.org>2014-01-31 08:37:32 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2014-01-31 08:37:32 -0800
commite2a0f813e0d53014b78aae76f0359c8a41f05eeb (patch)
tree08cbd30d7e407e8d1009338aeda56e895afb6d9d /arch/powerpc/kernel
parente30b82bbe098d9514ed0e9b5ec372daf7429e0f7 (diff)
parentb73117c49364551ff789db7c424a115ac5b77850 (diff)
Merge tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm
Pull more KVM updates from Paolo Bonzini: "Second batch of KVM updates. Some minor x86 fixes, two s390 guest features that need some handling in the host, and all the PPC changes. The PPC changes include support for little-endian guests and enablement for new POWER8 features" * tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm: (45 commits) x86, kvm: correctly access the KVM_CPUID_FEATURES leaf at 0x40000101 x86, kvm: cache the base of the KVM cpuid leaves kvm: x86: move KVM_CAP_HYPERV_TIME outside #ifdef KVM: PPC: Book3S PR: Cope with doorbell interrupts KVM: PPC: Book3S HV: Add software abort codes for transactional memory KVM: PPC: Book3S HV: Add new state for transactional memory powerpc/Kconfig: Make TM select VSX and VMX KVM: PPC: Book3S HV: Basic little-endian guest support KVM: PPC: Book3S HV: Add support for DABRX register on POWER7 KVM: PPC: Book3S HV: Prepare for host using hypervisor doorbells KVM: PPC: Book3S HV: Handle new LPCR bits on POWER8 KVM: PPC: Book3S HV: Handle guest using doorbells for IPIs KVM: PPC: Book3S HV: Consolidate code that checks reason for wake from nap KVM: PPC: Book3S HV: Implement architecture compatibility modes for POWER8 KVM: PPC: Book3S HV: Add handler for HV facility unavailable KVM: PPC: Book3S HV: Flush the correct number of TLB sets on POWER8 KVM: PPC: Book3S HV: Context-switch new POWER8 SPRs KVM: PPC: Book3S HV: Align physical and virtual CPU thread numbers KVM: PPC: Book3S HV: Don't set DABR on POWER8 kvm/ppc: IRQ disabling cleanup ...
Diffstat (limited to 'arch/powerpc/kernel')
-rw-r--r--arch/powerpc/kernel/asm-offsets.c50
-rw-r--r--arch/powerpc/kernel/kvm.c41
2 files changed, 44 insertions, 47 deletions
diff --git a/arch/powerpc/kernel/asm-offsets.c b/arch/powerpc/kernel/asm-offsets.c
index 8d1d94d9c649..b5aacf72ae6f 100644
--- a/arch/powerpc/kernel/asm-offsets.c
+++ b/arch/powerpc/kernel/asm-offsets.c
@@ -438,18 +438,14 @@ int main(void)
DEFINE(VCPU_GUEST_PID, offsetof(struct kvm_vcpu, arch.pid));
DEFINE(VCPU_GPRS, offsetof(struct kvm_vcpu, arch.gpr));
DEFINE(VCPU_VRSAVE, offsetof(struct kvm_vcpu, arch.vrsave));
- DEFINE(VCPU_FPRS, offsetof(struct kvm_vcpu, arch.fpr));
- DEFINE(VCPU_FPSCR, offsetof(struct kvm_vcpu, arch.fpscr));
+ DEFINE(VCPU_FPRS, offsetof(struct kvm_vcpu, arch.fp.fpr));
#ifdef CONFIG_ALTIVEC
- DEFINE(VCPU_VRS, offsetof(struct kvm_vcpu, arch.vr));
- DEFINE(VCPU_VSCR, offsetof(struct kvm_vcpu, arch.vscr));
-#endif
-#ifdef CONFIG_VSX
- DEFINE(VCPU_VSRS, offsetof(struct kvm_vcpu, arch.vsr));
+ DEFINE(VCPU_VRS, offsetof(struct kvm_vcpu, arch.vr.vr));
#endif
DEFINE(VCPU_XER, offsetof(struct kvm_vcpu, arch.xer));
DEFINE(VCPU_CTR, offsetof(struct kvm_vcpu, arch.ctr));
DEFINE(VCPU_LR, offsetof(struct kvm_vcpu, arch.lr));
+ DEFINE(VCPU_TAR, offsetof(struct kvm_vcpu, arch.tar));
DEFINE(VCPU_CR, offsetof(struct kvm_vcpu, arch.cr));
DEFINE(VCPU_PC, offsetof(struct kvm_vcpu, arch.pc));
#ifdef CONFIG_KVM_BOOK3S_HV_POSSIBLE
@@ -497,16 +493,24 @@ int main(void)
DEFINE(VCPU_DAR, offsetof(struct kvm_vcpu, arch.shregs.dar));
DEFINE(VCPU_VPA, offsetof(struct kvm_vcpu, arch.vpa.pinned_addr));
DEFINE(VCPU_VPA_DIRTY, offsetof(struct kvm_vcpu, arch.vpa.dirty));
+ DEFINE(VCPU_INTR_MSR, offsetof(struct kvm_vcpu, arch.intr_msr));
#endif
#ifdef CONFIG_PPC_BOOK3S
DEFINE(VCPU_VCPUID, offsetof(struct kvm_vcpu, vcpu_id));
DEFINE(VCPU_PURR, offsetof(struct kvm_vcpu, arch.purr));
DEFINE(VCPU_SPURR, offsetof(struct kvm_vcpu, arch.spurr));
+ DEFINE(VCPU_IC, offsetof(struct kvm_vcpu, arch.ic));
+ DEFINE(VCPU_VTB, offsetof(struct kvm_vcpu, arch.vtb));
DEFINE(VCPU_DSCR, offsetof(struct kvm_vcpu, arch.dscr));
DEFINE(VCPU_AMR, offsetof(struct kvm_vcpu, arch.amr));
DEFINE(VCPU_UAMOR, offsetof(struct kvm_vcpu, arch.uamor));
+ DEFINE(VCPU_IAMR, offsetof(struct kvm_vcpu, arch.iamr));
DEFINE(VCPU_CTRL, offsetof(struct kvm_vcpu, arch.ctrl));
DEFINE(VCPU_DABR, offsetof(struct kvm_vcpu, arch.dabr));
+ DEFINE(VCPU_DABRX, offsetof(struct kvm_vcpu, arch.dabrx));
+ DEFINE(VCPU_DAWR, offsetof(struct kvm_vcpu, arch.dawr));
+ DEFINE(VCPU_DAWRX, offsetof(struct kvm_vcpu, arch.dawrx));
+ DEFINE(VCPU_CIABR, offsetof(struct kvm_vcpu, arch.ciabr));
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));
@@ -515,8 +519,10 @@ int main(void)
DEFINE(VCPU_PRODDED, offsetof(struct kvm_vcpu, arch.prodded));
DEFINE(VCPU_MMCR, offsetof(struct kvm_vcpu, arch.mmcr));
DEFINE(VCPU_PMC, offsetof(struct kvm_vcpu, arch.pmc));
+ DEFINE(VCPU_SPMC, offsetof(struct kvm_vcpu, arch.spmc));
DEFINE(VCPU_SIAR, offsetof(struct kvm_vcpu, arch.siar));
DEFINE(VCPU_SDAR, offsetof(struct kvm_vcpu, arch.sdar));
+ DEFINE(VCPU_SIER, offsetof(struct kvm_vcpu, arch.sier));
DEFINE(VCPU_SLB, offsetof(struct kvm_vcpu, arch.slb));
DEFINE(VCPU_SLB_MAX, offsetof(struct kvm_vcpu, arch.slb_max));
DEFINE(VCPU_SLB_NR, offsetof(struct kvm_vcpu, arch.slb_nr));
@@ -524,20 +530,47 @@ int main(void)
DEFINE(VCPU_FAULT_DAR, offsetof(struct kvm_vcpu, arch.fault_dar));
DEFINE(VCPU_LAST_INST, offsetof(struct kvm_vcpu, arch.last_inst));
DEFINE(VCPU_TRAP, offsetof(struct kvm_vcpu, arch.trap));
- DEFINE(VCPU_PTID, offsetof(struct kvm_vcpu, arch.ptid));
DEFINE(VCPU_CFAR, offsetof(struct kvm_vcpu, arch.cfar));
DEFINE(VCPU_PPR, offsetof(struct kvm_vcpu, arch.ppr));
+ DEFINE(VCPU_FSCR, offsetof(struct kvm_vcpu, arch.fscr));
+ DEFINE(VCPU_PSPB, offsetof(struct kvm_vcpu, arch.pspb));
+ DEFINE(VCPU_EBBHR, offsetof(struct kvm_vcpu, arch.ebbhr));
+ DEFINE(VCPU_EBBRR, offsetof(struct kvm_vcpu, arch.ebbrr));
+ DEFINE(VCPU_BESCR, offsetof(struct kvm_vcpu, arch.bescr));
+ DEFINE(VCPU_CSIGR, offsetof(struct kvm_vcpu, arch.csigr));
+ DEFINE(VCPU_TACR, offsetof(struct kvm_vcpu, arch.tacr));
+ DEFINE(VCPU_TCSCR, offsetof(struct kvm_vcpu, arch.tcscr));
+ DEFINE(VCPU_ACOP, offsetof(struct kvm_vcpu, arch.acop));
+ DEFINE(VCPU_WORT, offsetof(struct kvm_vcpu, arch.wort));
DEFINE(VCPU_SHADOW_SRR1, offsetof(struct kvm_vcpu, arch.shadow_srr1));
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(VCORE_KVM, offsetof(struct kvmppc_vcore, kvm));
DEFINE(VCORE_TB_OFFSET, offsetof(struct kvmppc_vcore, tb_offset));
DEFINE(VCORE_LPCR, offsetof(struct kvmppc_vcore, lpcr));
DEFINE(VCORE_PCR, offsetof(struct kvmppc_vcore, pcr));
+ DEFINE(VCORE_DPDES, offsetof(struct kvmppc_vcore, dpdes));
DEFINE(VCPU_SLB_E, offsetof(struct kvmppc_slb, orige));
DEFINE(VCPU_SLB_V, offsetof(struct kvmppc_slb, origv));
DEFINE(VCPU_SLB_SIZE, sizeof(struct kvmppc_slb));
+#ifdef CONFIG_PPC_TRANSACTIONAL_MEM
+ DEFINE(VCPU_TFHAR, offsetof(struct kvm_vcpu, arch.tfhar));
+ DEFINE(VCPU_TFIAR, offsetof(struct kvm_vcpu, arch.tfiar));
+ DEFINE(VCPU_TEXASR, offsetof(struct kvm_vcpu, arch.texasr));
+ DEFINE(VCPU_GPR_TM, offsetof(struct kvm_vcpu, arch.gpr_tm));
+ DEFINE(VCPU_FPRS_TM, offsetof(struct kvm_vcpu, arch.fp_tm.fpr));
+ DEFINE(VCPU_VRS_TM, offsetof(struct kvm_vcpu, arch.vr_tm.vr));
+ DEFINE(VCPU_VRSAVE_TM, offsetof(struct kvm_vcpu, arch.vrsave_tm));
+ DEFINE(VCPU_CR_TM, offsetof(struct kvm_vcpu, arch.cr_tm));
+ DEFINE(VCPU_LR_TM, offsetof(struct kvm_vcpu, arch.lr_tm));
+ DEFINE(VCPU_CTR_TM, offsetof(struct kvm_vcpu, arch.ctr_tm));
+ DEFINE(VCPU_AMR_TM, offsetof(struct kvm_vcpu, arch.amr_tm));
+ DEFINE(VCPU_PPR_TM, offsetof(struct kvm_vcpu, arch.ppr_tm));
+ DEFINE(VCPU_DSCR_TM, offsetof(struct kvm_vcpu, arch.dscr_tm));
+ DEFINE(VCPU_TAR_TM, offsetof(struct kvm_vcpu, arch.tar_tm));
+#endif
#ifdef CONFIG_PPC_BOOK3S_64
#ifdef CONFIG_KVM_BOOK3S_PR_POSSIBLE
@@ -602,6 +635,7 @@ int main(void)
HSTATE_FIELD(HSTATE_XICS_PHYS, xics_phys);
HSTATE_FIELD(HSTATE_SAVED_XIRR, saved_xirr);
HSTATE_FIELD(HSTATE_HOST_IPI, host_ipi);
+ HSTATE_FIELD(HSTATE_PTID, ptid);
HSTATE_FIELD(HSTATE_MMCR, host_mmcr);
HSTATE_FIELD(HSTATE_PMC, host_pmc);
HSTATE_FIELD(HSTATE_PURR, host_purr);
diff --git a/arch/powerpc/kernel/kvm.c b/arch/powerpc/kernel/kvm.c
index db28032e320e..6a0175297b0d 100644
--- a/arch/powerpc/kernel/kvm.c
+++ b/arch/powerpc/kernel/kvm.c
@@ -413,13 +413,13 @@ static void kvm_map_magic_page(void *data)
{
u32 *features = data;
- ulong in[8];
+ ulong in[8] = {0};
ulong out[8];
in[0] = KVM_MAGIC_PAGE;
in[1] = KVM_MAGIC_PAGE;
- kvm_hypercall(in, out, KVM_HCALL_TOKEN(KVM_HC_PPC_MAP_MAGIC_PAGE));
+ epapr_hypercall(in, out, KVM_HCALL_TOKEN(KVM_HC_PPC_MAP_MAGIC_PAGE));
*features = out[0];
}
@@ -711,43 +711,6 @@ static void kvm_use_magic_page(void)
kvm_patching_worked ? "worked" : "failed");
}
-unsigned long kvm_hypercall(unsigned long *in,
- unsigned long *out,
- unsigned long nr)
-{
- unsigned long register r0 asm("r0");
- unsigned long register r3 asm("r3") = in[0];
- unsigned long register r4 asm("r4") = in[1];
- unsigned long register r5 asm("r5") = in[2];
- unsigned long register r6 asm("r6") = in[3];
- unsigned long register r7 asm("r7") = in[4];
- unsigned long register r8 asm("r8") = in[5];
- unsigned long register r9 asm("r9") = in[6];
- unsigned long register r10 asm("r10") = in[7];
- unsigned long register r11 asm("r11") = nr;
- unsigned long register r12 asm("r12");
-
- asm volatile("bl epapr_hypercall_start"
- : "=r"(r0), "=r"(r3), "=r"(r4), "=r"(r5), "=r"(r6),
- "=r"(r7), "=r"(r8), "=r"(r9), "=r"(r10), "=r"(r11),
- "=r"(r12)
- : "r"(r3), "r"(r4), "r"(r5), "r"(r6), "r"(r7), "r"(r8),
- "r"(r9), "r"(r10), "r"(r11)
- : "memory", "cc", "xer", "ctr", "lr");
-
- out[0] = r4;
- out[1] = r5;
- out[2] = r6;
- out[3] = r7;
- out[4] = r8;
- out[5] = r9;
- out[6] = r10;
- out[7] = r11;
-
- return r3;
-}
-EXPORT_SYMBOL_GPL(kvm_hypercall);
-
static __init void kvm_free_tmp(void)
{
free_reserved_area(&kvm_tmp[kvm_tmp_index],

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