KVM for PowerPC only supports embedded cores at the moment. While it makes sense to virtualize on small machines, it's even more fun to do so on big boxes. So I figured we need KVM for PowerPC64 as well. This patchset implements KVM support for Book3s_64 hosts and guest support for Book3s_64 and G3/G4. To really make use of this, you will also need a modified version of qemu that can deal with KVM on desktop cores. I will send out patches for those later, but want to get feedback on the kernel side first. In the meanwhile, use the qemu version from http://www.powerkvm.org/powerkvm.git which already includes all required patches to run G3/G4 and G5 guests. To not spam on everyone on the list, I figured I'd send this as a git pull request this time. If I did anything wrong, please tell me :-). V1 -> V2: - extend sregs with padding - new naming scheme (ppc64 -> book3s_64; 74xx -> book3s_32) - to_phys -> in-kernel tophys() - loadimm -> LOAD_REG_IMMEDIATE - call .ko kvm.ko - set magic paca bit later - run guest code with PACA->soft_enabled=true - pt_regs for host state saving (guest too?) - only do HV dcbz trick on 970 - refuse to run on LPAR because of missing SLB pieces V2 -> V3: - fix DAR/DSISR saving - allow running on LPAR by modifying the SLB shadow - change the SLB implementation to use a mem-backed cache and do full world switch on enter/exit. gets rid of "context" magic - be more aggressive about DEC injection - remove fast ld/st because we're always in host context - don't use SPRGs in real->paged transition - implement dirty log - remove MMIO speedup code - SPRG cleanup - rename SPRG3 -> SPRN_SPRG_PACA - rename SPRG1 -> SPRN_SPRG_SCRATCH0 - don't use SPRG2 TODO: - use MMU Notifiers - use u64* for dirty log The following changes since commit 84a3c0818fe9d7a1e34c188d6182793f213a6a66: Gleb Natapov (1): KVM: Reduce runnability interface with arch support code are available in the git repository at: git://csgraf.de/kvm ppc-v3 Alexander Graf (25): Move dirty logging code to sub-arch Pass PVR in sregs Add Book3s definitions Add Book3s fields to vcpu structs Add asm/kvm_book3s.h Add Book3s_64 intercept helpers Add book3s_64 highmem asm code Add SLB switching code for entry/exit Add interrupt handling code Add book3s.c Add book3s_64 Host MMU handling Add book3s_64 guest MMU Add book3s_32 guest MMU Add book3s_64 specific opcode emulation Add mfdec emulation Add desktop PowerPC specific emulation Make head_64.S aware of KVM real mode code Add Book3s_64 offsets to asm-offsets.c Export symbols for KVM module Export KVM symbols for module Add fields to PACA Export new PACA constants in asm-offsets Include Book3s_64 target in buildsystem Fix trace.h Enable 32bit dirty log pointers on 64bit host arch/powerpc/include/asm/exception.h | 2 + arch/powerpc/include/asm/kvm.h | 2 + arch/powerpc/include/asm/kvm_asm.h | 49 ++ arch/powerpc/include/asm/kvm_book3s.h | 135 ++++ arch/powerpc/include/asm/kvm_book3s_64_asm.h | 58 ++ arch/powerpc/include/asm/kvm_host.h | 76 +++- arch/powerpc/include/asm/kvm_ppc.h | 1 + arch/powerpc/include/asm/paca.h | 9 + arch/powerpc/kernel/asm-offsets.c | 18 + arch/powerpc/kernel/exceptions-64s.S | 8 + arch/powerpc/kernel/head_64.S | 6 + arch/powerpc/kernel/ppc_ksyms.c | 3 +- arch/powerpc/kernel/time.c | 1 + arch/powerpc/kvm/Kconfig | 17 + arch/powerpc/kvm/Makefile | 27 +- arch/powerpc/kvm/book3s.c | 919 ++++++++++++++++++++++++++ arch/powerpc/kvm/book3s_32_mmu.c | 354 ++++++++++ arch/powerpc/kvm/book3s_64_emulate.c | 338 ++++++++++ arch/powerpc/kvm/book3s_64_exports.c | 24 + arch/powerpc/kvm/book3s_64_interrupts.S | 392 +++++++++++ arch/powerpc/kvm/book3s_64_mmu.c | 469 +++++++++++++ arch/powerpc/kvm/book3s_64_mmu_host.c | 412 ++++++++++++ arch/powerpc/kvm/book3s_64_rmhandlers.S | 131 ++++ arch/powerpc/kvm/book3s_64_slb.S | 277 ++++++++ arch/powerpc/kvm/booke.c | 5 + arch/powerpc/kvm/emulate.c | 43 ++- arch/powerpc/kvm/powerpc.c | 5 - arch/powerpc/kvm/trace.h | 6 +- arch/powerpc/mm/hash_utils_64.c | 2 + arch/powerpc/mm/mmu_context_hash64.c | 4 + arch/powerpc/mm/slb.c | 2 + kernel/fork.c | 1 + virt/kvm/kvm_main.c | 5 + 33 files changed, 3786 insertions(+), 15 deletions(-) create mode 100644 arch/powerpc/include/asm/kvm_book3s.h create mode 100644 arch/powerpc/include/asm/kvm_book3s_64_asm.h create mode 100644 arch/powerpc/kvm/book3s.c create mode 100644 arch/powerpc/kvm/book3s_32_mmu.c create mode 100644 arch/powerpc/kvm/book3s_64_emulate.c create mode 100644 arch/powerpc/kvm/book3s_64_exports.c create mode 100644 arch/powerpc/kvm/book3s_64_interrupts.S create mode 100644 arch/powerpc/kvm/book3s_64_mmu.c create mode 100644 arch/powerpc/kvm/book3s_64_mmu_host.c create mode 100644 arch/powerpc/kvm/book3s_64_rmhandlers.S create mode 100644 arch/powerpc/kvm/book3s_64_slb.S -- To unsubscribe from this list: send the line "unsubscribe kvm-ppc" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
