mirror of
https://github.com/AuxXxilium/linux_dsm_epyc7002.git
synced 2024-12-28 11:18:45 +07:00
221bb8a46e
VGIC implementation. - s390: support for trapping software breakpoints, nested virtualization (vSIE), the STHYI opcode, initial extensions for CPU model support. - MIPS: support for MIPS64 hosts (32-bit guests only) and lots of cleanups, preliminary to this and the upcoming support for hardware virtualization extensions. - x86: support for execute-only mappings in nested EPT; reduced vmexit latency for TSC deadline timer (by about 30%) on Intel hosts; support for more than 255 vCPUs. - PPC: bugfixes. The ugly bit is the conflicts. A couple of them are simple conflicts due to 4.7 fixes, but most of them are with other trees. There was definitely too much reliance on Acked-by here. Some conflicts are for KVM patches where _I_ gave my Acked-by, but the worst are for this pull request's patches that touch files outside arch/*/kvm. KVM submaintainers should probably learn to synchronize better with arch maintainers, with the latter providing topic branches whenever possible instead of Acked-by. This is what we do with arch/x86. And I should learn to refuse pull requests when linux-next sends scary signals, even if that means that submaintainers have to rebase their branches. Anyhow, here's the list: - arch/x86/kvm/vmx.c: handle_pcommit and EXIT_REASON_PCOMMIT was removed by the nvdimm tree. This tree adds handle_preemption_timer and EXIT_REASON_PREEMPTION_TIMER at the same place. In general all mentions of pcommit have to go. There is also a conflict between a stable fix and this patch, where the stable fix removed the vmx_create_pml_buffer function and its call. - virt/kvm/kvm_main.c: kvm_cpu_notifier was removed by the hotplug tree. This tree adds kvm_io_bus_get_dev at the same place. - virt/kvm/arm/vgic.c: a few final bugfixes went into 4.7 before the file was completely removed for 4.8. - include/linux/irqchip/arm-gic-v3.h: this one is entirely our fault; this is a change that should have gone in through the irqchip tree and pulled by kvm-arm. I think I would have rejected this kvm-arm pull request. The KVM version is the right one, except that it lacks GITS_BASER_PAGES_SHIFT. - arch/powerpc: what a mess. For the idle_book3s.S conflict, the KVM tree is the right one; everything else is trivial. In this case I am not quite sure what went wrong. The commit that is causing the mess (fd7bacbca4
, "KVM: PPC: Book3S HV: Fix TB corruption in guest exit path on HMI interrupt", 2016-05-15) touches both arch/powerpc/kernel/ and arch/powerpc/kvm/. It's large, but at 396 insertions/5 deletions I guessed that it wasn't really possible to split it and that the 5 deletions wouldn't conflict. That wasn't the case. - arch/s390: also messy. First is hypfs_diag.c where the KVM tree moved some code and the s390 tree patched it. You have to reapply the relevant part of commits6c22c98637
, plus all ofe030c1125e
, to arch/s390/kernel/diag.c. Or pick the linux-next conflict resolution from http://marc.info/?l=kvm&m=146717549531603&w=2. Second, there is a conflict in gmap.c between a stable fix and 4.8. The KVM version here is the correct one. I have pushed my resolution at refs/heads/merge-20160802 (commit 3d1f53419842) at git://git.kernel.org/pub/scm/virt/kvm/kvm.git. -----BEGIN PGP SIGNATURE----- Version: GnuPG v2.0.22 (GNU/Linux) iQEcBAABAgAGBQJXoGm7AAoJEL/70l94x66DugQIAIj703ePAFepB/fCrKHkZZia SGrsBdvAtNsOhr7FQ5qvvjLxiv/cv7CymeuJivX8H+4kuUHUllDzey+RPHYHD9X7 U6n1PdCH9F15a3IXc8tDjlDdOMNIKJixYuq1UyNZMU6NFwl00+TZf9JF8A2US65b x/41W98ilL6nNBAsoDVmCLtPNWAqQ3lajaZELGfcqRQ9ZGKcAYOaLFXHv2YHf2XC qIDMf+slBGSQ66UoATnYV2gAopNlWbZ7n0vO6tE2KyvhHZ1m399aBX1+k8la/0JI 69r+Tz7ZHUSFtmlmyByi5IAB87myy2WQHyAPwj+4vwJkDGPcl0TrupzbG7+T05Y= =42ti -----END PGP SIGNATURE----- Merge tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm Pull KVM updates from Paolo Bonzini: - ARM: GICv3 ITS emulation and various fixes. Removal of the old VGIC implementation. - s390: support for trapping software breakpoints, nested virtualization (vSIE), the STHYI opcode, initial extensions for CPU model support. - MIPS: support for MIPS64 hosts (32-bit guests only) and lots of cleanups, preliminary to this and the upcoming support for hardware virtualization extensions. - x86: support for execute-only mappings in nested EPT; reduced vmexit latency for TSC deadline timer (by about 30%) on Intel hosts; support for more than 255 vCPUs. - PPC: bugfixes. * tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm: (302 commits) KVM: PPC: Introduce KVM_CAP_PPC_HTM MIPS: Select HAVE_KVM for MIPS64_R{2,6} MIPS: KVM: Reset CP0_PageMask during host TLB flush MIPS: KVM: Fix ptr->int cast via KVM_GUEST_KSEGX() MIPS: KVM: Sign extend MFC0/RDHWR results MIPS: KVM: Fix 64-bit big endian dynamic translation MIPS: KVM: Fail if ebase doesn't fit in CP0_EBase MIPS: KVM: Use 64-bit CP0_EBase when appropriate MIPS: KVM: Set CP0_Status.KX on MIPS64 MIPS: KVM: Make entry code MIPS64 friendly MIPS: KVM: Use kmap instead of CKSEG0ADDR() MIPS: KVM: Use virt_to_phys() to get commpage PFN MIPS: Fix definition of KSEGX() for 64-bit KVM: VMX: Add VMCS to CPU's loaded VMCSs before VMPTRLD kvm: x86: nVMX: maintain internal copy of current VMCS KVM: PPC: Book3S HV: Save/restore TM state in H_CEDE KVM: PPC: Book3S HV: Pull out TM state save/restore into separate procedures KVM: arm64: vgic-its: Simplify MAPI error handling KVM: arm64: vgic-its: Make vgic_its_cmd_handle_mapi similar to other handlers KVM: arm64: vgic-its: Turn device_id validation into generic ID validation ...
311 lines
10 KiB
ArmAsm
311 lines
10 KiB
ArmAsm
/*
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* PowerNV OPAL API wrappers
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*
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* Copyright 2011 IBM Corp.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version
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* 2 of the License, or (at your option) any later version.
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*/
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#include <linux/jump_label.h>
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#include <asm/ppc_asm.h>
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#include <asm/hvcall.h>
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#include <asm/asm-offsets.h>
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#include <asm/opal.h>
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.section ".text"
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#ifdef CONFIG_TRACEPOINTS
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#ifdef HAVE_JUMP_LABEL
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#define OPAL_BRANCH(LABEL) \
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ARCH_STATIC_BRANCH(LABEL, opal_tracepoint_key)
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#else
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.section ".toc","aw"
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.globl opal_tracepoint_refcount
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opal_tracepoint_refcount:
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.llong 0
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.section ".text"
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/*
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* We branch around this in early init by using an unconditional cpu
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* feature.
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*/
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#define OPAL_BRANCH(LABEL) \
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BEGIN_FTR_SECTION; \
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b 1f; \
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END_FTR_SECTION(0, 1); \
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ld r12,opal_tracepoint_refcount@toc(r2); \
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cmpdi r12,0; \
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bne- LABEL; \
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1:
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#endif
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#else
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#define OPAL_BRANCH(LABEL)
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#endif
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/* TODO:
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*
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* - Trace irqs in/off (needs saving/restoring all args, argh...)
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* - Get r11 feed up by Dave so I can have better register usage
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*/
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#define OPAL_CALL(name, token) \
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_GLOBAL_TOC(name); \
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mflr r0; \
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std r0,PPC_LR_STKOFF(r1); \
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li r0,token; \
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OPAL_BRANCH(opal_tracepoint_entry) \
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mfcr r12; \
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stw r12,8(r1); \
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li r11,0; \
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mfmsr r12; \
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ori r11,r11,MSR_EE; \
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std r12,PACASAVEDMSR(r13); \
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andc r12,r12,r11; \
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mtmsrd r12,1; \
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LOAD_REG_ADDR(r11,opal_return); \
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mtlr r11; \
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li r11,MSR_DR|MSR_IR|MSR_LE;\
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andc r12,r12,r11; \
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mtspr SPRN_HSRR1,r12; \
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LOAD_REG_ADDR(r11,opal); \
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ld r12,8(r11); \
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ld r2,0(r11); \
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mtspr SPRN_HSRR0,r12; \
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hrfid
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opal_return:
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/*
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* Fixup endian on OPAL return... we should be able to simplify
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* this by instead converting the below trampoline to a set of
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* bytes (always BE) since MSR:LE will end up fixed up as a side
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* effect of the rfid.
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*/
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FIXUP_ENDIAN
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ld r2,PACATOC(r13);
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lwz r4,8(r1);
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ld r5,PPC_LR_STKOFF(r1);
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ld r6,PACASAVEDMSR(r13);
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mtspr SPRN_SRR0,r5;
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mtspr SPRN_SRR1,r6;
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mtcr r4;
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rfid
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#ifdef CONFIG_TRACEPOINTS
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opal_tracepoint_entry:
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stdu r1,-STACKFRAMESIZE(r1)
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std r0,STK_REG(R23)(r1)
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std r3,STK_REG(R24)(r1)
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std r4,STK_REG(R25)(r1)
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std r5,STK_REG(R26)(r1)
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std r6,STK_REG(R27)(r1)
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std r7,STK_REG(R28)(r1)
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std r8,STK_REG(R29)(r1)
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std r9,STK_REG(R30)(r1)
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std r10,STK_REG(R31)(r1)
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mr r3,r0
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addi r4,r1,STK_REG(R24)
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bl __trace_opal_entry
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ld r0,STK_REG(R23)(r1)
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ld r3,STK_REG(R24)(r1)
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ld r4,STK_REG(R25)(r1)
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ld r5,STK_REG(R26)(r1)
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ld r6,STK_REG(R27)(r1)
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ld r7,STK_REG(R28)(r1)
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ld r8,STK_REG(R29)(r1)
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ld r9,STK_REG(R30)(r1)
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ld r10,STK_REG(R31)(r1)
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LOAD_REG_ADDR(r11,opal_tracepoint_return)
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mfcr r12
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std r11,16(r1)
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stw r12,8(r1)
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li r11,0
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mfmsr r12
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ori r11,r11,MSR_EE
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std r12,PACASAVEDMSR(r13)
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andc r12,r12,r11
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mtmsrd r12,1
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LOAD_REG_ADDR(r11,opal_return)
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mtlr r11
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li r11,MSR_DR|MSR_IR|MSR_LE
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andc r12,r12,r11
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mtspr SPRN_HSRR1,r12
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LOAD_REG_ADDR(r11,opal)
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ld r12,8(r11)
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ld r2,0(r11)
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mtspr SPRN_HSRR0,r12
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hrfid
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opal_tracepoint_return:
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std r3,STK_REG(R31)(r1)
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mr r4,r3
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ld r0,STK_REG(R23)(r1)
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bl __trace_opal_exit
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ld r3,STK_REG(R31)(r1)
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addi r1,r1,STACKFRAMESIZE
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ld r0,16(r1)
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mtlr r0
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blr
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#endif
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#define OPAL_CALL_REAL(name, token) \
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_GLOBAL_TOC(name); \
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mflr r0; \
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std r0,PPC_LR_STKOFF(r1); \
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li r0,token; \
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mfcr r12; \
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stw r12,8(r1); \
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\
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/* Set opal return address */ \
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LOAD_REG_ADDR(r11, opal_return_realmode); \
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mtlr r11; \
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mfmsr r12; \
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li r11,MSR_LE; \
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andc r12,r12,r11; \
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mtspr SPRN_HSRR1,r12; \
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LOAD_REG_ADDR(r11,opal); \
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ld r12,8(r11); \
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ld r2,0(r11); \
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mtspr SPRN_HSRR0,r12; \
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hrfid
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opal_return_realmode:
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FIXUP_ENDIAN
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ld r2,PACATOC(r13);
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lwz r11,8(r1);
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ld r12,PPC_LR_STKOFF(r1)
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mtcr r11;
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mtlr r12
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blr
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OPAL_CALL(opal_invalid_call, OPAL_INVALID_CALL);
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OPAL_CALL(opal_console_write, OPAL_CONSOLE_WRITE);
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OPAL_CALL(opal_console_read, OPAL_CONSOLE_READ);
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OPAL_CALL(opal_console_write_buffer_space, OPAL_CONSOLE_WRITE_BUFFER_SPACE);
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OPAL_CALL(opal_rtc_read, OPAL_RTC_READ);
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OPAL_CALL(opal_rtc_write, OPAL_RTC_WRITE);
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OPAL_CALL(opal_cec_power_down, OPAL_CEC_POWER_DOWN);
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OPAL_CALL(opal_cec_reboot, OPAL_CEC_REBOOT);
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OPAL_CALL(opal_cec_reboot2, OPAL_CEC_REBOOT2);
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OPAL_CALL(opal_read_nvram, OPAL_READ_NVRAM);
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OPAL_CALL(opal_write_nvram, OPAL_WRITE_NVRAM);
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OPAL_CALL(opal_handle_interrupt, OPAL_HANDLE_INTERRUPT);
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OPAL_CALL(opal_poll_events, OPAL_POLL_EVENTS);
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OPAL_CALL(opal_pci_set_hub_tce_memory, OPAL_PCI_SET_HUB_TCE_MEMORY);
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OPAL_CALL(opal_pci_set_phb_tce_memory, OPAL_PCI_SET_PHB_TCE_MEMORY);
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OPAL_CALL(opal_pci_config_read_byte, OPAL_PCI_CONFIG_READ_BYTE);
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OPAL_CALL(opal_pci_config_read_half_word, OPAL_PCI_CONFIG_READ_HALF_WORD);
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OPAL_CALL(opal_pci_config_read_word, OPAL_PCI_CONFIG_READ_WORD);
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OPAL_CALL(opal_pci_config_write_byte, OPAL_PCI_CONFIG_WRITE_BYTE);
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OPAL_CALL(opal_pci_config_write_half_word, OPAL_PCI_CONFIG_WRITE_HALF_WORD);
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OPAL_CALL(opal_pci_config_write_word, OPAL_PCI_CONFIG_WRITE_WORD);
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OPAL_CALL(opal_set_xive, OPAL_SET_XIVE);
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OPAL_CALL(opal_get_xive, OPAL_GET_XIVE);
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OPAL_CALL(opal_register_exception_handler, OPAL_REGISTER_OPAL_EXCEPTION_HANDLER);
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OPAL_CALL(opal_pci_eeh_freeze_status, OPAL_PCI_EEH_FREEZE_STATUS);
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OPAL_CALL(opal_pci_eeh_freeze_clear, OPAL_PCI_EEH_FREEZE_CLEAR);
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OPAL_CALL(opal_pci_eeh_freeze_set, OPAL_PCI_EEH_FREEZE_SET);
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OPAL_CALL(opal_pci_err_inject, OPAL_PCI_ERR_INJECT);
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OPAL_CALL(opal_pci_shpc, OPAL_PCI_SHPC);
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OPAL_CALL(opal_pci_phb_mmio_enable, OPAL_PCI_PHB_MMIO_ENABLE);
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OPAL_CALL(opal_pci_set_phb_mem_window, OPAL_PCI_SET_PHB_MEM_WINDOW);
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OPAL_CALL(opal_pci_map_pe_mmio_window, OPAL_PCI_MAP_PE_MMIO_WINDOW);
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OPAL_CALL(opal_pci_set_phb_table_memory, OPAL_PCI_SET_PHB_TABLE_MEMORY);
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OPAL_CALL(opal_pci_set_pe, OPAL_PCI_SET_PE);
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OPAL_CALL(opal_pci_set_peltv, OPAL_PCI_SET_PELTV);
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OPAL_CALL(opal_pci_set_mve, OPAL_PCI_SET_MVE);
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OPAL_CALL(opal_pci_set_mve_enable, OPAL_PCI_SET_MVE_ENABLE);
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OPAL_CALL(opal_pci_get_xive_reissue, OPAL_PCI_GET_XIVE_REISSUE);
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OPAL_CALL(opal_pci_set_xive_reissue, OPAL_PCI_SET_XIVE_REISSUE);
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OPAL_CALL(opal_pci_set_xive_pe, OPAL_PCI_SET_XIVE_PE);
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OPAL_CALL(opal_get_xive_source, OPAL_GET_XIVE_SOURCE);
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OPAL_CALL(opal_get_msi_32, OPAL_GET_MSI_32);
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OPAL_CALL(opal_get_msi_64, OPAL_GET_MSI_64);
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OPAL_CALL(opal_start_cpu, OPAL_START_CPU);
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OPAL_CALL(opal_query_cpu_status, OPAL_QUERY_CPU_STATUS);
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OPAL_CALL(opal_write_oppanel, OPAL_WRITE_OPPANEL);
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OPAL_CALL(opal_pci_map_pe_dma_window, OPAL_PCI_MAP_PE_DMA_WINDOW);
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OPAL_CALL(opal_pci_map_pe_dma_window_real, OPAL_PCI_MAP_PE_DMA_WINDOW_REAL);
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OPAL_CALL(opal_pci_reset, OPAL_PCI_RESET);
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OPAL_CALL(opal_pci_get_hub_diag_data, OPAL_PCI_GET_HUB_DIAG_DATA);
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OPAL_CALL(opal_pci_get_phb_diag_data, OPAL_PCI_GET_PHB_DIAG_DATA);
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OPAL_CALL(opal_pci_fence_phb, OPAL_PCI_FENCE_PHB);
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OPAL_CALL(opal_pci_reinit, OPAL_PCI_REINIT);
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OPAL_CALL(opal_pci_mask_pe_error, OPAL_PCI_MASK_PE_ERROR);
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OPAL_CALL(opal_set_slot_led_status, OPAL_SET_SLOT_LED_STATUS);
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OPAL_CALL(opal_get_epow_status, OPAL_GET_EPOW_STATUS);
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OPAL_CALL(opal_get_dpo_status, OPAL_GET_DPO_STATUS);
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OPAL_CALL(opal_set_system_attention_led, OPAL_SET_SYSTEM_ATTENTION_LED);
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OPAL_CALL(opal_pci_next_error, OPAL_PCI_NEXT_ERROR);
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OPAL_CALL(opal_pci_poll, OPAL_PCI_POLL);
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OPAL_CALL(opal_pci_msi_eoi, OPAL_PCI_MSI_EOI);
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OPAL_CALL(opal_pci_get_phb_diag_data2, OPAL_PCI_GET_PHB_DIAG_DATA2);
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OPAL_CALL(opal_xscom_read, OPAL_XSCOM_READ);
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OPAL_CALL(opal_xscom_write, OPAL_XSCOM_WRITE);
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OPAL_CALL(opal_lpc_read, OPAL_LPC_READ);
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OPAL_CALL(opal_lpc_write, OPAL_LPC_WRITE);
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OPAL_CALL(opal_return_cpu, OPAL_RETURN_CPU);
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OPAL_CALL(opal_reinit_cpus, OPAL_REINIT_CPUS);
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OPAL_CALL(opal_read_elog, OPAL_ELOG_READ);
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OPAL_CALL(opal_send_ack_elog, OPAL_ELOG_ACK);
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OPAL_CALL(opal_get_elog_size, OPAL_ELOG_SIZE);
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OPAL_CALL(opal_resend_pending_logs, OPAL_ELOG_RESEND);
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OPAL_CALL(opal_write_elog, OPAL_ELOG_WRITE);
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OPAL_CALL(opal_validate_flash, OPAL_FLASH_VALIDATE);
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OPAL_CALL(opal_manage_flash, OPAL_FLASH_MANAGE);
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OPAL_CALL(opal_update_flash, OPAL_FLASH_UPDATE);
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OPAL_CALL(opal_resync_timebase, OPAL_RESYNC_TIMEBASE);
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OPAL_CALL_REAL(opal_rm_resync_timebase, OPAL_RESYNC_TIMEBASE);
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OPAL_CALL(opal_check_token, OPAL_CHECK_TOKEN);
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OPAL_CALL(opal_dump_init, OPAL_DUMP_INIT);
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OPAL_CALL(opal_dump_info, OPAL_DUMP_INFO);
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OPAL_CALL(opal_dump_info2, OPAL_DUMP_INFO2);
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OPAL_CALL(opal_dump_read, OPAL_DUMP_READ);
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OPAL_CALL(opal_dump_ack, OPAL_DUMP_ACK);
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OPAL_CALL(opal_get_msg, OPAL_GET_MSG);
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OPAL_CALL(opal_write_oppanel_async, OPAL_WRITE_OPPANEL_ASYNC);
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OPAL_CALL(opal_check_completion, OPAL_CHECK_ASYNC_COMPLETION);
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OPAL_CALL(opal_dump_resend_notification, OPAL_DUMP_RESEND);
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OPAL_CALL(opal_sync_host_reboot, OPAL_SYNC_HOST_REBOOT);
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OPAL_CALL(opal_sensor_read, OPAL_SENSOR_READ);
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OPAL_CALL(opal_get_param, OPAL_GET_PARAM);
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OPAL_CALL(opal_set_param, OPAL_SET_PARAM);
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OPAL_CALL(opal_handle_hmi, OPAL_HANDLE_HMI);
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OPAL_CALL_REAL(opal_rm_handle_hmi, OPAL_HANDLE_HMI);
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OPAL_CALL(opal_config_cpu_idle_state, OPAL_CONFIG_CPU_IDLE_STATE);
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OPAL_CALL_REAL(opal_rm_config_cpu_idle_state, OPAL_CONFIG_CPU_IDLE_STATE);
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OPAL_CALL(opal_slw_set_reg, OPAL_SLW_SET_REG);
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OPAL_CALL(opal_register_dump_region, OPAL_REGISTER_DUMP_REGION);
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OPAL_CALL(opal_unregister_dump_region, OPAL_UNREGISTER_DUMP_REGION);
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OPAL_CALL(opal_pci_set_phb_cxl_mode, OPAL_PCI_SET_PHB_CAPI_MODE);
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OPAL_CALL(opal_tpo_write, OPAL_WRITE_TPO);
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OPAL_CALL(opal_tpo_read, OPAL_READ_TPO);
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OPAL_CALL(opal_ipmi_send, OPAL_IPMI_SEND);
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OPAL_CALL(opal_ipmi_recv, OPAL_IPMI_RECV);
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OPAL_CALL(opal_i2c_request, OPAL_I2C_REQUEST);
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OPAL_CALL(opal_flash_read, OPAL_FLASH_READ);
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OPAL_CALL(opal_flash_write, OPAL_FLASH_WRITE);
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OPAL_CALL(opal_flash_erase, OPAL_FLASH_ERASE);
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OPAL_CALL(opal_prd_msg, OPAL_PRD_MSG);
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OPAL_CALL(opal_leds_get_ind, OPAL_LEDS_GET_INDICATOR);
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OPAL_CALL(opal_leds_set_ind, OPAL_LEDS_SET_INDICATOR);
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OPAL_CALL(opal_console_flush, OPAL_CONSOLE_FLUSH);
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OPAL_CALL(opal_get_device_tree, OPAL_GET_DEVICE_TREE);
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OPAL_CALL(opal_pci_get_presence_state, OPAL_PCI_GET_PRESENCE_STATE);
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OPAL_CALL(opal_pci_get_power_state, OPAL_PCI_GET_POWER_STATE);
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OPAL_CALL(opal_pci_set_power_state, OPAL_PCI_SET_POWER_STATE);
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OPAL_CALL(opal_int_get_xirr, OPAL_INT_GET_XIRR);
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OPAL_CALL(opal_int_set_cppr, OPAL_INT_SET_CPPR);
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OPAL_CALL(opal_int_eoi, OPAL_INT_EOI);
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OPAL_CALL(opal_int_set_mfrr, OPAL_INT_SET_MFRR);
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OPAL_CALL(opal_pci_tce_kill, OPAL_PCI_TCE_KILL);
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OPAL_CALL_REAL(opal_rm_pci_tce_kill, OPAL_PCI_TCE_KILL);
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