On Thu, May 02, 2019 at 02:06:46PM +1000, Paul Mackerras wrote: > Paolo or Radim, > > Please do a pull from my kvm-ppc-next-5.2-1 tag to get a PPC update > for 5.2. The main new feature here is that we can now let guests > access the POWER9 XIVE interrupt controller directly for things like > acknowledge, EOI, enable and disable on interrupts, rather than > requiring guests to do hypercalls for these operations. > > I have merged in the topic/ppc-kvm branch from the powerpc tree > because one of the patches there is a prerequisite for the XIVE patch > series. That's why there are changes to arch/powerpc/kernel in the > diffstat. > > Stephen Rothwell noted a conflict between my tree and the kvm-arm tree > because we have both allocated new capability numbers. > > The XIVE patch series also modifies generic KVM code to add mmap and > release methods on KVM devices. > > Thanks, > Paul. Ping? > The following changes since commit 345077c8e172c255ea0707214303ccd099e5656b: > > KVM: PPC: Book3S: Protect memslots while validating user address (2019-04-05 14:37:24 +1100) > > are available in the git repository at: > > git://git.kernel.org/pub/scm/linux/kernel/git/paulus/powerpc tags/kvm-ppc-next-5.2-1 > > for you to fetch changes up to 0caecf5b00199636eb2d32201199ecd6be52558d: > > KVM: PPC: Book3S HV: XIVE: Clear escalation interrupt pointers on device close (2019-04-30 19:41:01 +1000) > > ---------------------------------------------------------------- > PPC KVM update for 5.2 > > * Support for guests to access the new POWER9 XIVE interrupt controller > hardware directly, reducing interrupt latency and overhead for guests. > > * In-kernel implementation of the H_PAGE_INIT hypercall. > > * Reduce memory usage of sparsely-populated IOMMU tables. > > * Several bug fixes. > > ---------------------------------------------------------------- > Alexey Kardashevskiy (3): > KVM: PPC: Book3S HV: Fix lockdep warning when entering the guest > KVM: PPC: Book3S HV: Avoid lockdep debugging in TCE realmode handlers > KVM: PPC: Book3S: Allocate guest TCEs on demand too > > Cédric Le Goater (17): > powerpc/xive: add OPAL extensions for the XIVE native exploitation support > KVM: PPC: Book3S HV: Add a new KVM device for the XIVE native exploitation mode > KVM: PPC: Book3S HV: XIVE: Introduce a new capability KVM_CAP_PPC_IRQ_XIVE > KVM: PPC: Book3S HV: XIVE: add a control to initialize a source > KVM: PPC: Book3S HV: XIVE: Add a control to configure a source > KVM: PPC: Book3S HV: XIVE: Add controls for the EQ configuration > KVM: PPC: Book3S HV: XIVE: Add a global reset control > KVM: PPC: Book3S HV: XIVE: Add a control to sync the sources > KVM: PPC: Book3S HV: XIVE: Add a control to dirty the XIVE EQ pages > KVM: PPC: Book3S HV: XIVE: Add get/set accessors for the VP XIVE state > KVM: Introduce a 'mmap' method for KVM devices > KVM: PPC: Book3S HV: XIVE: Add a TIMA mapping > KVM: PPC: Book3S HV: XIVE: Add a mapping for the source ESB pages > KVM: PPC: Book3S HV: XIVE: Add passthrough support > KVM: PPC: Book3S HV: XIVE: Activate XIVE exploitation mode > KVM: Introduce a 'release' method for KVM devices > KVM: PPC: Book3S HV: XIVE: Replace the 'destroy' method by a 'release' method > > Michael Neuling (1): > powerpc: Add force enable of DAWR on P9 option > > Palmer Dabbelt (1): > KVM: PPC: Book3S HV: smb->smp comment fixup > > Paul Mackerras (6): > KVM: PPC: Book3S HV: Fix XICS-on-XIVE H_IPI when priority = 0 > KVM: PPC: Book3S HV: Move HPT guest TLB flushing to C code > KVM: PPC: Book3S HV: Flush TLB on secondary radix threads > Merge remote-tracking branch 'remotes/powerpc/topic/ppc-kvm' into kvm-ppc-next > KVM: PPC: Book3S HV: XIVE: Prevent races when releasing device > KVM: PPC: Book3S HV: XIVE: Clear escalation interrupt pointers on device close > > Suraj Jitindar Singh (4): > KVM: PPC: Book3S HV: Implement virtual mode H_PAGE_INIT handler > KVM: PPC: Book3S HV: Implement real mode H_PAGE_INIT handler > KVM: PPC: Book3S HV: Handle virtual mode in XIVE VCPU push code > KVM: PPC: Book3S HV: Save/restore vrsave register in kvmhv_p9_guest_entry() > > Documentation/powerpc/DAWR-POWER9.txt | 32 + > Documentation/virtual/kvm/api.txt | 10 + > Documentation/virtual/kvm/devices/xive.txt | 197 +++++ > arch/powerpc/include/asm/hw_breakpoint.h | 8 + > arch/powerpc/include/asm/kvm_host.h | 11 +- > arch/powerpc/include/asm/kvm_ppc.h | 41 +- > arch/powerpc/include/asm/opal-api.h | 7 +- > arch/powerpc/include/asm/opal.h | 7 + > arch/powerpc/include/asm/xive.h | 17 + > arch/powerpc/include/uapi/asm/kvm.h | 46 + > arch/powerpc/kernel/hw_breakpoint.c | 62 +- > arch/powerpc/kernel/process.c | 9 +- > arch/powerpc/kernel/ptrace.c | 3 +- > arch/powerpc/kvm/Makefile | 2 +- > arch/powerpc/kvm/book3s.c | 42 +- > arch/powerpc/kvm/book3s_64_vio.c | 96 ++- > arch/powerpc/kvm/book3s_64_vio_hv.c | 105 ++- > arch/powerpc/kvm/book3s_hv.c | 155 ++-- > arch/powerpc/kvm/book3s_hv_builtin.c | 57 ++ > arch/powerpc/kvm/book3s_hv_rm_mmu.c | 144 ++++ > arch/powerpc/kvm/book3s_hv_rmhandlers.S | 103 +-- > arch/powerpc/kvm/book3s_xive.c | 250 ++++-- > arch/powerpc/kvm/book3s_xive.h | 37 + > arch/powerpc/kvm/book3s_xive_native.c | 1249 ++++++++++++++++++++++++++++ > arch/powerpc/kvm/book3s_xive_template.c | 78 +- > arch/powerpc/kvm/powerpc.c | 37 + > arch/powerpc/platforms/powernv/opal-call.c | 3 + > arch/powerpc/sysdev/xive/native.c | 110 +++ > include/linux/kvm_host.h | 10 + > include/uapi/linux/kvm.h | 3 + > virt/kvm/kvm_main.c | 24 + > 31 files changed, 2670 insertions(+), 285 deletions(-) > create mode 100644 Documentation/virtual/kvm/devices/xive.txt > create mode 100644 arch/powerpc/kvm/book3s_xive_native.c
