diff options
| author | Linus Torvalds <torvalds@linux-foundation.org> | 2011-07-24 09:07:03 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2011-07-24 09:07:03 -0700 |
| commit | 5fabc487c96819dd12ddb9414835d170fd9cd6d5 (patch) | |
| tree | 01532d492e5074b0d3add29bf92ebf9a9d161e9e /arch | |
| parent | c61264f98c1a974ee6f545f61a4ab33b141d6bda (diff) | |
| parent | 3f68b0318bbbd61bf08478ab99a149f0d9e5156e (diff) | |
Merge branch 'kvm-updates/3.1' of git://git.kernel.org/pub/scm/virt/kvm/kvm
* 'kvm-updates/3.1' of git://git.kernel.org/pub/scm/virt/kvm/kvm: (143 commits)
KVM: IOMMU: Disable device assignment without interrupt remapping
KVM: MMU: trace mmio page fault
KVM: MMU: mmio page fault support
KVM: MMU: reorganize struct kvm_shadow_walk_iterator
KVM: MMU: lockless walking shadow page table
KVM: MMU: do not need atomicly to set/clear spte
KVM: MMU: introduce the rules to modify shadow page table
KVM: MMU: abstract some functions to handle fault pfn
KVM: MMU: filter out the mmio pfn from the fault pfn
KVM: MMU: remove bypass_guest_pf
KVM: MMU: split kvm_mmu_free_page
KVM: MMU: count used shadow pages on prepareing path
KVM: MMU: rename 'pt_write' to 'emulate'
KVM: MMU: cleanup for FNAME(fetch)
KVM: MMU: optimize to handle dirty bit
KVM: MMU: cache mmio info on page fault path
KVM: x86: introduce vcpu_mmio_gva_to_gpa to cleanup the code
KVM: MMU: do not update slot bitmap if spte is nonpresent
KVM: MMU: fix walking shadow page table
KVM guest: KVM Steal time registration
...
Diffstat (limited to 'arch')
87 files changed, 11619 insertions, 3634 deletions
diff --git a/arch/ia64/include/asm/paravirt.h b/arch/ia64/include/asm/paravirt.h index 2eb0a981a09..32551d304cd 100644 --- a/arch/ia64/include/asm/paravirt.h +++ b/arch/ia64/include/asm/paravirt.h @@ -281,6 +281,10 @@ paravirt_init_missing_ticks_accounting(int cpu) pv_time_ops.init_missing_ticks_accounting(cpu); } +struct jump_label_key; +extern struct jump_label_key paravirt_steal_enabled; +extern struct jump_label_key paravirt_steal_rq_enabled; + static inline int paravirt_do_steal_accounting(unsigned long *new_itm) { diff --git a/arch/ia64/kernel/paravirt.c b/arch/ia64/kernel/paravirt.c index a21d7bb9c69..100868216c5 100644 --- a/arch/ia64/kernel/paravirt.c +++ b/arch/ia64/kernel/paravirt.c @@ -634,6 +634,8 @@ struct pv_irq_ops pv_irq_ops = { * pv_time_ops * time operations */ +struct jump_label_key paravirt_steal_enabled; +struct jump_label_key paravirt_steal_rq_enabled; static int ia64_native_do_steal_accounting(unsigned long *new_itm) diff --git a/arch/powerpc/include/asm/cputable.h b/arch/powerpc/include/asm/cputable.h index c0d842cfd01..e30442c539c 100644 --- a/arch/powerpc/include/asm/cputable.h +++ b/arch/powerpc/include/asm/cputable.h @@ -179,8 +179,9 @@ extern const char *powerpc_base_platform; #define LONG_ASM_CONST(x) 0 #endif - -#define CPU_FTR_HVMODE_206 LONG_ASM_CONST(0x0000000800000000) +#define CPU_FTR_HVMODE LONG_ASM_CONST(0x0000000200000000) +#define CPU_FTR_ARCH_201 LONG_ASM_CONST(0x0000000400000000) +#define CPU_FTR_ARCH_206 LONG_ASM_CONST(0x0000000800000000) #define CPU_FTR_CFAR LONG_ASM_CONST(0x0000001000000000) #define CPU_FTR_IABR LONG_ASM_CONST(0x0000002000000000) #define CPU_FTR_MMCRA LONG_ASM_CONST(0x0000004000000000) @@ -401,9 +402,10 @@ extern const char *powerpc_base_platform; CPU_FTR_MMCRA | CPU_FTR_CP_USE_DCBTZ | \ CPU_FTR_STCX_CHECKS_ADDRESS) #define CPU_FTRS_PPC970 (CPU_FTR_USE_TB | CPU_FTR_LWSYNC | \ - CPU_FTR_PPCAS_ARCH_V2 | CPU_FTR_CTRL | \ + CPU_FTR_PPCAS_ARCH_V2 | CPU_FTR_CTRL | CPU_FTR_ARCH_201 | \ CPU_FTR_ALTIVEC_COMP | CPU_FTR_CAN_NAP | CPU_FTR_MMCRA | \ - CPU_FTR_CP_USE_DCBTZ | CPU_FTR_STCX_CHECKS_ADDRESS) + CPU_FTR_CP_USE_DCBTZ | CPU_FTR_STCX_CHECKS_ADDRESS | \ + CPU_FTR_HVMODE) #define CPU_FTRS_POWER5 (CPU_FTR_USE_TB | CPU_FTR_LWSYNC | \ CPU_FTR_PPCAS_ARCH_V2 | CPU_FTR_CTRL | \ CPU_FTR_MMCRA | CPU_FTR_SMT | \ @@ -417,13 +419,13 @@ extern const char *powerpc_base_platform; CPU_FTR_DSCR | CPU_FTR_UNALIGNED_LD_STD | \ CPU_FTR_STCX_CHECKS_ADDRESS | CPU_FTR_POPCNTB | CPU_FTR_CFAR) #define CPU_FTRS_POWER7 (CPU_FTR_USE_TB | CPU_FTR_LWSYNC | \ - CPU_FTR_PPCAS_ARCH_V2 | CPU_FTR_CTRL | CPU_FTR_HVMODE_206 |\ + CPU_FTR_PPCAS_ARCH_V2 | CPU_FTR_CTRL | CPU_FTR_ARCH_206 |\ CPU_FTR_MMCRA | CPU_FTR_SMT | \ CPU_FTR_COHERENT_ICACHE | \ CPU_FTR_PURR | CPU_FTR_SPURR | CPU_FTR_REAL_LE | \ CPU_FTR_DSCR | CPU_FTR_SAO | CPU_FTR_ASYM_SMT | \ CPU_FTR_STCX_CHECKS_ADDRESS | CPU_FTR_POPCNTB | CPU_FTR_POPCNTD | \ - CPU_FTR_ICSWX | CPU_FTR_CFAR) + CPU_FTR_ICSWX | CPU_FTR_CFAR | CPU_FTR_HVMODE) #define CPU_FTRS_CELL (CPU_FTR_USE_TB | CPU_FTR_LWSYNC | \ CPU_FTR_PPCAS_ARCH_V2 | CPU_FTR_CTRL | \ CPU_FTR_ALTIVEC_COMP | CPU_FTR_MMCRA | CPU_FTR_SMT | \ diff --git a/arch/powerpc/include/asm/exception-64s.h b/arch/powerpc/include/asm/exception-64s.h index f5dfe3411f6..8057f4f6980 100644 --- a/arch/powerpc/include/asm/exception-64s.h +++ b/arch/powerpc/include/asm/exception-64s.h @@ -61,19 +61,22 @@ #define EXC_HV H #define EXC_STD -#define EXCEPTION_PROLOG_1(area) \ +#define __EXCEPTION_PROLOG_1(area, extra, vec) \ GET_PACA(r13); \ std r9,area+EX_R9(r13); /* save r9 - r12 */ \ std r10,area+EX_R10(r13); \ - std r11,area+EX_R11(r13); \ - std r12,area+EX_R12(r13); \ BEGIN_FTR_SECTION_NESTED(66); \ mfspr r10,SPRN_CFAR; \ std r10,area+EX_CFAR(r13); \ END_FTR_SECTION_NESTED(CPU_FTR_CFAR, CPU_FTR_CFAR, 66); \ - GET_SCRATCH0(r9); \ - std r9,area+EX_R13(r13); \ - mfcr r9 + mfcr r9; \ + extra(vec); \ + std r11,area+EX_R11(r13); \ + std r12,area+EX_R12(r13); \ + GET_SCRATCH0(r10); \ + std r10,area+EX_R13(r13) +#define EXCEPTION_PROLOG_1(area, extra, vec) \ + __EXCEPTION_PROLOG_1(area, extra, vec) #define __EXCEPTION_PROLOG_PSERIES_1(label, h) \ ld r12,PACAKBASE(r13); /* get high part of &label */ \ @@ -85,13 +88,65 @@ mtspr SPRN_##h##SRR1,r10; \ h##rfid; \ b . /* prevent speculative execution */ -#define EXCEPTION_PROLOG_PSERIES_1(label, h) \ +#define EXCEPTION_PROLOG_PSERIES_1(label, h) \ __EXCEPTION_PROLOG_PSERIES_1(label, h) -#define EXCEPTION_PROLOG_PSERIES(area, label, h) \ - EXCEPTION_PROLOG_1(area); \ +#define EXCEPTION_PROLOG_PSERIES(area, label, h, extra, vec) \ + EXCEPTION_PROLOG_1(area, extra, vec); \ EXCEPTION_PROLOG_PSERIES_1(label, h); +#define __KVMTEST(n) \ + lbz r10,HSTATE_IN_GUEST(r13); \ + cmpwi r10,0; \ + bne do_kvm_##n + +#define __KVM_HANDLER(area, h, n) \ +do_kvm_##n: \ + ld r10,area+EX_R10(r13); \ + stw r9,HSTATE_SCRATCH1(r13); \ + ld r9,area+EX_R9(r13); \ + std r12,HSTATE_SCRATCH0(r13); \ + li r12,n; \ + b kvmppc_interrupt + +#define __KVM_HANDLER_SKIP(area, h, n) \ +do_kvm_##n: \ + cmpwi r10,KVM_GUEST_MODE_SKIP; \ + ld r10,area+EX_R10(r13); \ + beq 89f; \ + stw r9,HSTATE_SCRATCH1(r13); \ + ld r9,area+EX_R9(r13); \ + std r12,HSTATE_SCRATCH0(r13); \ + li r12,n; \ + b kvmppc_interrupt; \ +89: mtocrf 0x80,r9; \ + ld r9,area+EX_R9(r13); \ + b kvmppc_skip_##h##interrupt + +#ifdef CONFIG_KVM_BOOK3S_64_HANDLER +#define KVMTEST(n) __KVMTEST(n) +#define KVM_HANDLER(area, h, n) __KVM_HANDLER(area, h, n) +#define KVM_HANDLER_SKIP(area, h, n) __KVM_HANDLER_SKIP(area, h, n) + +#else +#define KVMTEST(n) +#define KVM_HANDLER(area, h, n) +#define KVM_HANDLER_SKIP(area, h, n) +#endif + +#ifdef CONFIG_KVM_BOOK3S_PR +#define KVMTEST_PR(n) __KVMTEST(n) +#define KVM_HANDLER_PR(area, h, n) __KVM_HANDLER(area, h, n) +#define KVM_HANDLER_PR_SKIP(area, h, n) __KVM_HANDLER_SKIP(area, h, n) + +#else +#define KVMTEST_PR(n) +#define KVM_HANDLER_PR(area, h, n) +#define KVM_HANDLER_PR_SKIP(area, h, n) +#endif + +#define NOTEST(n) + /* * The common exception prolog is used for all except a few exceptions * such as a segment miss on a kernel address. We have to be prepared @@ -164,57 +219,58 @@ .globl label##_pSeries; \ label##_pSeries: \ HMT_MEDIUM; \ - DO_KVM vec; \ SET_SCRATCH0(r13); /* save r13 */ \ - EXCEPTION_PROLOG_PSERIES(PACA_EXGEN, label##_common, EXC_STD) + EXCEPTION_PROLOG_PSERIES(PACA_EXGEN, label##_common, \ + EXC_STD, KVMTEST_PR, vec) #define STD_EXCEPTION_HV(loc, vec, label) \ . = loc; \ .globl label##_hv; \ label##_hv: \ HMT_MEDIUM; \ - DO_KVM vec; \ - SET_SCRATCH0(r13); /* save r13 */ \ - EXCEPTION_PROLOG_PSERIES(PACA_EXGEN, label##_common, EXC_HV) + SET_SCRATCH0(r13); /* save r13 */ \ + EXCEPTION_PROLOG_PSERIES(PACA_EXGEN, label##_common, \ + EXC_HV, KVMTEST, vec) -#define __MASKABLE_EXCEPTION_PSERIES(vec, label, h) \ - HMT_MEDIUM; \ - DO_KVM vec; \ - SET_SCRATCH0(r13); /* save r13 */ \ - GET_PACA(r13); \ - std r9,PACA_EXGEN+EX_R9(r13); /* save r9, r10 */ \ - std r10,PACA_EXGEN+EX_R10(r13); \ +#define __SOFTEN_TEST(h) \ lbz r10,PACASOFTIRQEN(r13); \ - mfcr r9; \ cmpwi r10,0; \ - beq masked_##h##interrupt; \ - GET_SCRATCH0(r10); \ - std r10,PACA_EXGEN+EX_R13(r13); \ - std r11,PACA_EXGEN+EX_R11(r13); \ - std r12,PACA_EXGEN+EX_R12(r13); \ - ld r12,PACAKBASE(r13); /* get high part of &label */ \ - ld r10,PACAKMSR(r13); /* get MSR value for kernel */ \ - mfspr r11,SPRN_##h##SRR0; /* save SRR0 */ \ - LOAD_HANDLER(r12,label##_common) \ - mtspr SPRN_##h##SRR0,r12; \ - mfspr r12,SPRN_##h##SRR1; /* and SRR1 */ \ - mtspr SPRN_##h##SRR1,r10; \ - h##rfid; \ - b . /* prevent speculative execution */ -#define _MASKABLE_EXCEPTION_PSERIES(vec, label, h) \ - __MASKABLE_EXCEPTION_PSERIES(vec, label, h) + beq masked_##h##interrupt +#define _SOFTEN_TEST(h) __SOFTEN_TEST(h) + +#define SOFTEN_TEST_PR(vec) \ + KVMTEST_PR(vec); \ + _SOFTEN_TEST(EXC_STD) + +#define SOFTEN_TEST_HV(vec) \ + KVMTEST(vec); \ + _SOFTEN_TEST(EXC_HV) + +#define SOFTEN_TEST_HV_201(vec) \ + KVMTEST(vec); \ + _SOFTEN_TEST(EXC_STD) + +#define __MASKABLE_EXCEPTION_PSERIES(vec, label, h, extra) \ + HMT_MEDIUM; \ + SET_SCRATCH0(r13); /* save r13 */ \ + __EXCEPTION_PROLOG_1(PACA_EXGEN, extra, vec); \ + EXCEPTION_PROLOG_PSERIES_1(label##_common, h); +#define _MASKABLE_EXCEPTION_PSERIES(vec, label, h, extra) \ + __MASKABLE_EXCEPTION_PSERIES(vec, label, h, extra) #define MASKABLE_EXCEPTION_PSERIES(loc, vec, label) \ . = loc; \ .globl label##_pSeries; \ label##_pSeries: \ - _MASKABLE_EXCEPTION_PSERIES(vec, label, EXC_STD) + _MASKABLE_EXCEPTION_PSERIES(vec, label, \ + EXC_STD, SOFTEN_TEST_PR) #define MASKABLE_EXCEPTION_HV(loc, vec, label) \ . = loc; \ .globl label##_hv; \ label##_hv: \ - _MASKABLE_EXCEPTION_PSERIES(vec, label, EXC_HV) + _MASKABLE_EXCEPTION_PSERIES(vec, label, \ + EXC_HV, SOFTEN_TEST_HV) #ifdef CONFIG_PPC_ISERIES #define DISABLE_INTS \ diff --git a/arch/powerpc/include/asm/hvcall.h b/arch/powerpc/include/asm/hvcall.h index fd8201dddd4..1c324ff55ea 100644 --- a/arch/powerpc/include/asm/hvcall.h +++ b/arch/powerpc/include/asm/hvcall.h @@ -29,6 +29,10 @@ #define H_LONG_BUSY_ORDER_100_SEC 9905 /* Long busy, hint that 100sec \ is a good time to retry */ #define H_LONG_BUSY_END_RANGE 9905 /* End of long busy range */ + +/* Internal value used in book3s_hv kvm support; not returned to guests */ +#define H_TOO_HARD 9999 + #define H_HARDWARE -1 /* Hardware error */ #define H_FUNCTION -2 /* Function not supported */ #define H_PRIVILEGE -3 /* Caller not privileged */ @@ -100,6 +104,7 @@ #define H_PAGE_SET_ACTIVE H_PAGE_STATE_CHANGE #define H_AVPN (1UL<<(63-32)) /* An avpn is provided as a sanity test */ #define H_ANDCOND (1UL<<(63-33)) +#define H_LOCAL (1UL<<(63-35)) #define H_ICACHE_INVALIDATE (1UL<<(63-40)) /* icbi, etc. (ignored for IO pages) */ #define H_ICACHE_SYNCHRONIZE (1UL<<(63-41)) /* dcbst, icbi, etc (ignored for IO pages */ #define H_COALESCE_CAND (1UL<<(63-42)) /* page is a good candidate for coalescing */ diff --git a/arch/powerpc/include/asm/kvm.h b/arch/powerpc/include/asm/kvm.h index d2ca5ed3877..a4f6c85431f 100644 --- a/arch/powerpc/include/asm/kvm.h +++ b/arch/powerpc/include/asm/kvm.h @@ -22,6 +22,10 @@ #include <linux/types.h> +/* Select powerpc specific features in <linux/kvm.h> */ +#define __KVM_HAVE_SPAPR_TCE +#define __KVM_HAVE_PPC_SMT + struct kvm_regs { __u64 pc; __u64 cr; @@ -272,4 +276,15 @@ struct kvm_guest_debug_arch { #define KVM_INTERRUPT_UNSET -2U #define KVM_INTERRUPT_SET_LEVEL -3U +/* for KVM_CAP_SPAPR_TCE */ +struct kvm_create_spapr_tce { + __u64 liobn; + __u32 window_size; +}; + +/* for KVM_ALLOCATE_RMA */ +struct kvm_allocate_rma { + __u64 rma_size; +}; + #endif /* __LINUX_KVM_POWERPC_H */ diff --git a/arch/powerpc/include/asm/kvm_asm.h b/arch/powerpc/include/asm/kvm_asm.h index 0951b17f4eb..7b1f0e0fc65 100644 --- a/arch/powerpc/include/asm/kvm_asm.h +++ b/arch/powerpc/include/asm/kvm_asm.h @@ -64,8 +64,12 @@ #define BOOK3S_INTERRUPT_PROGRAM 0x700 #define BOOK3S_INTERRUPT_FP_UNAVAIL 0x800 #define BOOK3S_INTERRUPT_DECREMENTER 0x900 +#define BOOK3S_INTERRUPT_HV_DECREMENTER 0x980 #define BOOK3S_INTERRUPT_SYSCALL 0xc00 #define BOOK3S_INTERRUPT_TRACE 0xd00 +#define BOO |