From: Avi Kivity <[email protected]> They're just copies of vcpu->run, which is readily accessible.
Signed-off-by: Avi Kivity <[email protected]> diff --git a/arch/x86/include/asm/kvm_host.h b/arch/x86/include/asm/kvm_host.h index 33901be..b080590 100644 --- a/arch/x86/include/asm/kvm_host.h +++ b/arch/x86/include/asm/kvm_host.h @@ -509,8 +509,8 @@ struct kvm_x86_ops { void (*tlb_flush)(struct kvm_vcpu *vcpu); - void (*run)(struct kvm_vcpu *vcpu, struct kvm_run *run); - int (*handle_exit)(struct kvm_run *run, struct kvm_vcpu *vcpu); + void (*run)(struct kvm_vcpu *vcpu); + int (*handle_exit)(struct kvm_vcpu *vcpu); void (*skip_emulated_instruction)(struct kvm_vcpu *vcpu); void (*set_interrupt_shadow)(struct kvm_vcpu *vcpu, int mask); u32 (*get_interrupt_shadow)(struct kvm_vcpu *vcpu, int mask); @@ -571,7 +571,7 @@ enum emulation_result { #define EMULTYPE_NO_DECODE (1 << 0) #define EMULTYPE_TRAP_UD (1 << 1) #define EMULTYPE_SKIP (1 << 2) -int emulate_instruction(struct kvm_vcpu *vcpu, struct kvm_run *run, +int emulate_instruction(struct kvm_vcpu *vcpu, unsigned long cr2, u16 error_code, int emulation_type); void kvm_report_emulation_failure(struct kvm_vcpu *cvpu, const char *context); void realmode_lgdt(struct kvm_vcpu *vcpu, u16 size, unsigned long address); @@ -588,9 +588,9 @@ int kvm_set_msr(struct kvm_vcpu *vcpu, u32 msr_index, u64 data); struct x86_emulate_ctxt; -int kvm_emulate_pio(struct kvm_vcpu *vcpu, struct kvm_run *run, int in, +int kvm_emulate_pio(struct kvm_vcpu *vcpu, int in, int size, unsigned port); -int kvm_emulate_pio_string(struct kvm_vcpu *vcpu, struct kvm_run *run, int in, +int kvm_emulate_pio_string(struct kvm_vcpu *vcpu, int in, int size, unsigned long count, int down, gva_t address, int rep, unsigned port); void kvm_emulate_cpuid(struct kvm_vcpu *vcpu); diff --git a/arch/x86/kvm/emulate.c b/arch/x86/kvm/emulate.c index 3d6a562..15593e8 100644 --- a/arch/x86/kvm/emulate.c +++ b/arch/x86/kvm/emulate.c @@ -1826,7 +1826,7 @@ special_insn: break; case 0x6c: /* insb */ case 0x6d: /* insw/insd */ - if (kvm_emulate_pio_string(ctxt->vcpu, NULL, + if (kvm_emulate_pio_string(ctxt->vcpu, 1, (c->d & ByteOp) ? 1 : c->op_bytes, c->rep_prefix ? @@ -1842,7 +1842,7 @@ special_insn: return 0; case 0x6e: /* outsb */ case 0x6f: /* outsw/outsd */ - if (kvm_emulate_pio_string(ctxt->vcpu, NULL, + if (kvm_emulate_pio_string(ctxt->vcpu, 0, (c->d & ByteOp) ? 1 : c->op_bytes, c->rep_prefix ? @@ -2135,7 +2135,7 @@ special_insn: case 0xef: /* out (e/r)ax,dx */ port = c->regs[VCPU_REGS_RDX]; io_dir_in = 0; - do_io: if (kvm_emulate_pio(ctxt->vcpu, NULL, io_dir_in, + do_io: if (kvm_emulate_pio(ctxt->vcpu, io_dir_in, (c->d & ByteOp) ? 1 : c->op_bytes, port) != 0) { c->eip = saved_eip; diff --git a/arch/x86/kvm/mmu.c b/arch/x86/kvm/mmu.c index 6f38178..ffd3c97 100644 --- a/arch/x86/kvm/mmu.c +++ b/arch/x86/kvm/mmu.c @@ -2734,7 +2734,7 @@ int kvm_mmu_page_fault(struct kvm_vcpu *vcpu, gva_t cr2, u32 error_code) if (r) goto out; - er = emulate_instruction(vcpu, vcpu->run, cr2, error_code, 0); + er = emulate_instruction(vcpu, cr2, error_code, 0); switch (er) { case EMULATE_DONE: diff --git a/arch/x86/kvm/svm.c b/arch/x86/kvm/svm.c index 7853dd3..2df9b45 100644 --- a/arch/x86/kvm/svm.c +++ b/arch/x86/kvm/svm.c @@ -286,7 +286,7 @@ static void skip_emulated_instruction(struct kvm_vcpu *vcpu) struct vcpu_svm *svm = to_svm(vcpu); if (!svm->next_rip) { - if (emulate_instruction(vcpu, vcpu->run, 0, 0, EMULTYPE_SKIP) != + if (emulate_instruction(vcpu, 0, 0, EMULTYPE_SKIP) != EMULATE_DONE) printk(KERN_DEBUG "%s: NOP\n", __func__); return; @@ -1178,7 +1178,7 @@ static void svm_set_dr(struct kvm_vcpu *vcpu, int dr, unsigned long value, } } -static int pf_interception(struct vcpu_svm *svm, struct kvm_run *kvm_run) +static int pf_interception(struct vcpu_svm *svm) { u64 fault_address; u32 error_code; @@ -1192,8 +1192,10 @@ static int pf_interception(struct vcpu_svm *svm, struct kvm_run *kvm_run) return kvm_mmu_page_fault(&svm->vcpu, fault_address, error_code); } -static int db_interception(struct vcpu_svm *svm, struct kvm_run *kvm_run) +static int db_interception(struct vcpu_svm *svm) { + struct kvm_run *kvm_run = svm->vcpu.run; + if (!(svm->vcpu.guest_debug & (KVM_GUESTDBG_SINGLESTEP | KVM_GUESTDBG_USE_HW_BP)) && !svm->vcpu.arch.singlestep) { @@ -1221,25 +1223,27 @@ static int db_interception(struct vcpu_svm *svm, struct kvm_run *kvm_run) return 1; } -static int bp_interception(struct vcpu_svm *svm, struct kvm_run *kvm_run) +static int bp_interception(struct vcpu_svm *svm) { + struct kvm_run *kvm_run = svm->vcpu.run; + kvm_run->exit_reason = KVM_EXIT_DEBUG; kvm_run->debug.arch.pc = svm->vmcb->save.cs.base + svm->vmcb->save.rip; kvm_run->debug.arch.exception = BP_VECTOR; return 0; } -static int ud_interception(struct vcpu_svm *svm, struct kvm_run *kvm_run) +static int ud_interception(struct vcpu_svm *svm) { int er; - er = emulate_instruction(&svm->vcpu, kvm_run, 0, 0, EMULTYPE_TRAP_UD); + er = emulate_instruction(&svm->vcpu, 0, 0, EMULTYPE_TRAP_UD); if (er != EMULATE_DONE) kvm_queue_exception(&svm->vcpu, UD_VECTOR); return 1; } -static int nm_interception(struct vcpu_svm *svm, struct kvm_run *kvm_run) +static int nm_interception(struct vcpu_svm *svm) { svm->vmcb->control.intercept_exceptions &= ~(1 << NM_VECTOR); if (!(svm->vcpu.arch.cr0 & X86_CR0_TS)) @@ -1249,7 +1253,7 @@ static int nm_interception(struct vcpu_svm *svm, struct kvm_run *kvm_run) return 1; } -static int mc_interception(struct vcpu_svm *svm, struct kvm_run *kvm_run) +static int mc_interception(struct vcpu_svm *svm) { /* * On an #MC intercept the MCE handler is not called automatically in @@ -1262,8 +1266,10 @@ static int mc_interception(struct vcpu_svm *svm, struct kvm_run *kvm_run) return 1; } -static int shutdown_interception(struct vcpu_svm *svm, struct kvm_run *kvm_run) +static int shutdown_interception(struct vcpu_svm *svm) { + struct kvm_run *kvm_run = svm->vcpu.run; + /* * VMCB is undefined after a SHUTDOWN intercept * so reinitialize it. @@ -1275,7 +1281,7 @@ static int shutdown_interception(struct vcpu_svm *svm, struct kvm_run *kvm_run) return 0; } -static int io_interception(struct vcpu_svm *svm, struct kvm_run *kvm_run) +static int io_interception(struct vcpu_svm *svm) { u32 io_info = svm->vmcb->control.exit_info_1; /* address size bug? */ int size, in, string; @@ -1289,7 +1295,7 @@ static int io_interception(struct vcpu_svm *svm, struct kvm_run *kvm_run) if (string) { if (emulate_instruction(&svm->vcpu, - kvm_run, 0, 0, 0) == EMULATE_DO_MMIO) + 0, 0, 0) == EMULATE_DO_MMIO) return 0; return 1; } @@ -1299,33 +1305,33 @@ static int io_interception(struct vcpu_svm *svm, struct kvm_run *kvm_run) size = (io_info & SVM_IOIO_SIZE_MASK) >> SVM_IOIO_SIZE_SHIFT; skip_emulated_instruction(&svm->vcpu); - return kvm_emulate_pio(&svm->vcpu, kvm_run, in, size, port); + return kvm_emulate_pio(&svm->vcpu, in, size, port); } -static int nmi_interception(struct vcpu_svm *svm, struct kvm_run *kvm_run) +static int nmi_interception(struct vcpu_svm *svm) { return 1; } -static int intr_interception(struct vcpu_svm *svm, struct kvm_run *kvm_run) +static int intr_interception(struct vcpu_svm *svm) { ++svm->vcpu.stat.irq_exits; return 1; } -static int nop_on_interception(struct vcpu_svm *svm, struct kvm_run *kvm_run) +static int nop_on_interception(struct vcpu_svm *svm) { return 1; } -static int halt_interception(struct vcpu_svm *svm, struct kvm_run *kvm_run) +static int halt_interception(struct vcpu_svm *svm) { svm->next_rip = kvm_rip_read(&svm->vcpu) + 1; skip_emulated_instruction(&svm->vcpu); return kvm_emulate_halt(&svm->vcpu); } -static int vmmcall_interception(struct vcpu_svm *svm, struct kvm_run *kvm_run) +static int vmmcall_interception(struct vcpu_svm *svm) { svm->next_rip = kvm_rip_read(&svm->vcpu) + 3; skip_emulated_instruction(&svm->vcpu); @@ -1838,7 +1844,7 @@ static void nested_svm_vmloadsave(struct vmcb *from_vmcb, struct vmcb *to_vmcb) to_vmcb->save.sysenter_eip = from_vmcb->save.sysenter_eip; } -static int vmload_interception(struct vcpu_svm *svm, struct kvm_run *kvm_run) +static int vmload_interception(struct vcpu_svm *svm) { struct vmcb *nested_vmcb; @@ -1858,7 +1864,7 @@ static int vmload_interception(struct vcpu_svm *svm, struct kvm_run *kvm_run) return 1; } -static int vmsave_interception(struct vcpu_svm *svm, struct kvm_run *kvm_run) +static int vmsave_interception(struct vcpu_svm *svm) { struct vmcb *nested_vmcb; @@ -1878,7 +1884,7 @@ static int vmsave_interception(struct vcpu_svm *svm, struct kvm_run *kvm_run) return 1; } -static int vmrun_interception(struct vcpu_svm *svm, struct kvm_run *kvm_run) +static int vmrun_interception(struct vcpu_svm *svm) { nsvm_printk("VMrun\n"); @@ -1908,7 +1914,7 @@ failed: return 1; } -static int stgi_interception(struct vcpu_svm *svm, struct kvm_run *kvm_run) +static int stgi_interception(struct vcpu_svm *svm) { if (nested_svm_check_permissions(svm)) return 1; @@ -1921,7 +1927,7 @@ static int stgi_interception(struct vcpu_svm *svm, struct kvm_run *kvm_run) return 1; } -static int clgi_interception(struct vcpu_svm *svm, struct kvm_run *kvm_run) +static int clgi_interception(struct vcpu_svm *svm) { if (nested_svm_check_permissions(svm)) return 1; @@ -1938,7 +1944,7 @@ static int clgi_interception(struct vcpu_svm *svm, struct kvm_run *kvm_run) return 1; } -static int invlpga_interception(struct vcpu_svm *svm, struct kvm_run *kvm_run) +static int invlpga_interception(struct vcpu_svm *svm) { struct kvm_vcpu *vcpu = &svm->vcpu; nsvm_printk("INVLPGA\n"); @@ -1951,15 +1957,13 @@ static int invlpga_interception(struct vcpu_svm *svm, struct kvm_run *kvm_run) return 1; } -static int invalid_op_interception(struct vcpu_svm *svm, - struct kvm_run *kvm_run) +static int invalid_op_interception(struct vcpu_svm *svm) { kvm_queue_exception(&svm->vcpu, UD_VECTOR); return 1; } -static int task_switch_interception(struct vcpu_svm *svm, - struct kvm_run *kvm_run) +static int task_switch_interception(struct vcpu_svm *svm) { u16 tss_selector; int reason; @@ -2009,14 +2013,14 @@ static int task_switch_interception(struct vcpu_svm *svm, return kvm_task_switch(&svm->vcpu, tss_selector, reason); } -static int cpuid_interception(struct vcpu_svm *svm, struct kvm_run *kvm_run) +static int cpuid_interception(struct vcpu_svm *svm) { svm->next_rip = kvm_rip_read(&svm->vcpu) + 2; kvm_emulate_cpuid(&svm->vcpu); return 1; } -static int iret_interception(struct vcpu_svm *svm, struct kvm_run *kvm_run) +static int iret_interception(struct vcpu_svm *svm) { ++svm->vcpu.stat.nmi_window_exits; svm->vmcb->control.intercept &= ~(1UL << INTERCEPT_IRET); @@ -2024,26 +2028,27 @@ static int iret_interception(struct vcpu_svm *svm, struct kvm_run *kvm_run) return 1; } -static int invlpg_interception(struct vcpu_svm *svm, struct kvm_run *kvm_run) +static int invlpg_interception(struct vcpu_svm *svm) { - if (emulate_instruction(&svm->vcpu, kvm_run, 0, 0, 0) != EMULATE_DONE) + if (emulate_instruction(&svm->vcpu, 0, 0, 0) != EMULATE_DONE) pr_unimpl(&svm->vcpu, "%s: failed\n", __func__); return 1; } -static int emulate_on_interception(struct vcpu_svm *svm, - struct kvm_run *kvm_run) +static int emulate_on_interception(struct vcpu_svm *svm) { - if (emulate_instruction(&svm->vcpu, NULL, 0, 0, 0) != EMULATE_DONE) + if (emulate_instruction(&svm->vcpu, 0, 0, 0) != EMULATE_DONE) pr_unimpl(&svm->vcpu, "%s: failed\n", __func__); return 1; } -static int cr8_write_interception(struct vcpu_svm *svm, struct kvm_run *kvm_run) +static int cr8_write_interception(struct vcpu_svm *svm) { + struct kvm_run *kvm_run = svm->vcpu.run; + u8 cr8_prev = kvm_get_cr8(&svm->vcpu); /* instruction emulation calls kvm_set_cr8() */ - emulate_instruction(&svm->vcpu, NULL, 0, 0, 0); + emulate_instruction(&svm->vcpu, 0, 0, 0); if (irqchip_in_kernel(svm->vcpu.kvm)) { svm->vmcb->control.intercept_cr_write &= ~INTERCEPT_CR8_MASK; return 1; @@ -2125,7 +2130,7 @@ static int svm_get_msr(struct kvm_vcpu *vcpu, unsigned ecx, u64 *data) return 0; } -static int rdmsr_interception(struct vcpu_svm *svm, struct kvm_run *kvm_run) +static int rdmsr_interception(struct vcpu_svm *svm) { u32 ecx = svm->vcpu.arch.regs[VCPU_REGS_RCX]; u64 data; @@ -2211,7 +2216,7 @@ static int svm_set_msr(struct kvm_vcpu *vcpu, unsigned ecx, u64 data) return 0; } -static int wrmsr_interception(struct vcpu_svm *svm, struct kvm_run *kvm_run) +static int wrmsr_interception(struct vcpu_svm *svm) { u32 ecx = svm->vcpu.arch.regs[VCPU_REGS_RCX]; u64 data = (svm->vcpu.arch.regs[VCPU_REGS_RAX] & -1u) @@ -2227,17 +2232,18 @@ static int wrmsr_interception(struct vcpu_svm *svm, struct kvm_run *kvm_run) return 1; } -static int msr_interception(struct vcpu_svm *svm, struct kvm_run *kvm_run) +static int msr_interception(struct vcpu_svm *svm) { if (svm->vmcb->control.exit_info_1) - return wrmsr_interception(svm, kvm_run); + return wrmsr_interception(svm); else - return rdmsr_interception(svm, kvm_run); + return rdmsr_interception(svm); } -static int interrupt_window_interception(struct vcpu_svm *svm, - struct kvm_run *kvm_run) +static int interrupt_window_interception(struct vcpu_svm *svm) { + struct kvm_run *kvm_run = svm->vcpu.run; + svm_clear_vintr(svm); svm->vmcb->control.int_ctl &= ~V_IRQ_MASK; /* @@ -2255,8 +2261,7 @@ static int interrupt_window_interception(struct vcpu_svm *svm, return 1; } -static int (*svm_exit_handlers[])(struct vcpu_svm *svm, - struct kvm_run *kvm_run) = { +static int (*svm_exit_handlers[])(struct vcpu_svm *svm) = { [SVM_EXIT_READ_CR0] = emulate_on_interception, [SVM_EXIT_READ_CR3] = emulate_on_interception, [SVM_EXIT_READ_CR4] = emulate_on_interception, @@ -2311,9 +2316,10 @@ static int (*svm_exit_handlers[])(struct vcpu_svm *svm, [SVM_EXIT_NPF] = pf_interception, }; -static int handle_exit(struct kvm_run *kvm_run, struct kvm_vcpu *vcpu) +static int handle_exit(struct kvm_vcpu *vcpu) { struct vcpu_svm *svm = to_svm(vcpu); + struct kvm_run *kvm_run = vcpu->run; u32 exit_code = svm->vmcb->control.exit_code; trace_kvm_exit(exit_code, svm->vmcb->save.rip); @@ -2373,7 +2379,7 @@ static int handle_exit(struct kvm_run *kvm_run, struct kvm_vcpu *vcpu) return 0; } - return svm_exit_handlers[exit_code](svm, kvm_run); + return svm_exit_handlers[exit_code](svm); } static void reload_tss(struct kvm_vcpu *vcpu) @@ -2578,7 +2584,7 @@ static void svm_complete_interrupts(struct vcpu_svm *svm) #define R "e" #endif -static void svm_vcpu_run(struct kvm_vcpu *vcpu, struct kvm_run *kvm_run) +static void svm_vcpu_run(struct kvm_vcpu *vcpu) { struct vcpu_svm *svm = to_svm(vcpu); u16 fs_selector; diff --git a/arch/x86/kvm/vmx.c b/arch/x86/kvm/vmx.c index 1ee811c..6b57eed 100644 --- a/arch/x86/kvm/vmx.c +++ b/arch/x86/kvm/vmx.c @@ -2660,7 +2660,7 @@ static int handle_rmode_exception(struct kvm_vcpu *vcpu, * Cause the #SS fault with 0 error code in VM86 mode. */ if (((vec == GP_VECTOR) || (vec == SS_VECTOR)) && err_code == 0) - if (emulate_instruction(vcpu, NULL, 0, 0, 0) == EMULATE_DONE) + if (emulate_instruction(vcpu, 0, 0, 0) == EMULATE_DONE) return 1; /* * Forward all other exceptions that are valid in real mode. @@ -2711,15 +2711,16 @@ static void kvm_machine_check(void) #endif } -static int handle_machine_check(struct kvm_vcpu *vcpu, struct kvm_run *kvm_run) +static int handle_machine_check(struct kvm_vcpu *vcpu) { /* already handled by vcpu_run */ return 1; } -static int handle_exception(struct kvm_vcpu *vcpu, struct kvm_run *kvm_run) +static int handle_exception(struct kvm_vcpu *vcpu) { struct vcpu_vmx *vmx = to_vmx(vcpu); + struct kvm_run *kvm_run = vcpu->run; u32 intr_info, ex_no, error_code; unsigned long cr2, rip, dr6; u32 vect_info; @@ -2729,7 +2730,7 @@ static int handle_exception(struct kvm_vcpu *vcpu, struct kvm_run *kvm_run) intr_info = vmcs_read32(VM_EXIT_INTR_INFO); if (is_machine_check(intr_info)) - return handle_machine_check(vcpu, kvm_run); + return handle_machine_check(vcpu); if ((vect_info & VECTORING_INFO_VALID_MASK) && !is_page_fault(intr_info)) @@ -2745,7 +2746,7 @@ static int handle_exception(struct kvm_vcpu *vcpu, struct kvm_run *kvm_run) } if (is_invalid_opcode(intr_info)) { - er = emulate_instruction(vcpu, kvm_run, 0, 0, EMULTYPE_TRAP_UD); + er = emulate_instruction(vcpu, 0, 0, EMULTYPE_TRAP_UD); if (er != EMULATE_DONE) kvm_queue_exception(vcpu, UD_VECTOR); return 1; @@ -2804,20 +2805,19 @@ static int handle_exception(struct kvm_vcpu *vcpu, struct kvm_run *kvm_run) return 0; } -static int handle_external_interrupt(struct kvm_vcpu *vcpu, - struct kvm_run *kvm_run) +static int handle_external_interrupt(struct kvm_vcpu *vcpu) { ++vcpu->stat.irq_exits; return 1; } -static int handle_triple_fault(struct kvm_vcpu *vcpu, struct kvm_run *kvm_run) +static int handle_triple_fault(struct kvm_vcpu *vcpu) { - kvm_run->exit_reason = KVM_EXIT_SHUTDOWN; + vcpu->run->exit_reason = KVM_EXIT_SHUTDOWN; return 0; } -static int handle_io(struct kvm_vcpu *vcpu, struct kvm_run *kvm_run) +static int handle_io(struct kvm_vcpu *vcpu) { unsigned long exit_qualification; int size, in, string; @@ -2828,8 +2828,7 @@ static int handle_io(struct kvm_vcpu *vcpu, struct kvm_run *kvm_run) string = (exit_qualification & 16) != 0; if (string) { - if (emulate_instruction(vcpu, - kvm_run, 0, 0, 0) == EMULATE_DO_MMIO) + if (emulate_instruction(vcpu, 0, 0, 0) == EMULATE_DO_MMIO) return 0; return 1; } @@ -2839,7 +2838,7 @@ static int handle_io(struct kvm_vcpu *vcpu, struct kvm_run *kvm_run) port = exit_qualification >> 16; skip_emulated_instruction(vcpu); - return kvm_emulate_pio(vcpu, kvm_run, in, size, port); + return kvm_emulate_pio(vcpu, in, size, port); } static void @@ -2853,7 +2852,7 @@ vmx_patch_hypercall(struct kvm_vcpu *vcpu, unsigned char *hypercall) hypercall[2] = 0xc1; } -static int handle_cr(struct kvm_vcpu *vcpu, struct kvm_run *kvm_run) +static int handle_cr(struct kvm_vcpu *vcpu) { unsigned long exit_qualification, val; int cr; @@ -2888,7 +2887,7 @@ static int handle_cr(struct kvm_vcpu *vcpu, struct kvm_run *kvm_run) return 1; if (cr8_prev <= cr8) return 1; - kvm_run->exit_reason = KVM_EXIT_SET_TPR; + vcpu->run->exit_reason = KVM_EXIT_SET_TPR; return 0; } }; @@ -2923,13 +2922,13 @@ static int handle_cr(struct kvm_vcpu *vcpu, struct kvm_run *kvm_run) default: break; } - kvm_run->exit_reason = 0; + vcpu->run->exit_reason = 0; pr_unimpl(vcpu, "unhandled control register: op %d cr %d\n", (int)(exit_qualification >> 4) & 3, cr); return 0; } -static int handle_dr(struct kvm_vcpu *vcpu, struct kvm_run *kvm_run) +static int handle_dr(struct kvm_vcpu *vcpu) { unsigned long exit_qualification; unsigned long val; @@ -2943,13 +2942,13 @@ static int handle_dr(struct kvm_vcpu *vcpu, struct kvm_run *kvm_run) * guest debugging itself. */ if (vcpu->guest_debug & KVM_GUESTDBG_USE_HW_BP) { - kvm_run->debug.arch.dr6 = vcpu->arch.dr6; - kvm_run->debug.arch.dr7 = dr; - kvm_run->debug.arch.pc = + vcpu->run->debug.arch.dr6 = vcpu->arch.dr6; + vcpu->run->debug.arch.dr7 = dr; + vcpu->run->debug.arch.pc = vmcs_readl(GUEST_CS_BASE) + vmcs_readl(GUEST_RIP); - kvm_run->debug.arch.exception = DB_VECTOR; - kvm_run->exit_reason = KVM_EXIT_DEBUG; + vcpu->run->debug.arch.exception = DB_VECTOR; + vcpu->run->exit_reason = KVM_EXIT_DEBUG; return 0; } else { vcpu->arch.dr7 &= ~DR7_GD; @@ -3015,13 +3014,13 @@ static int handle_dr(struct kvm_vcpu *vcpu, struct kvm_run *kvm_run) return 1; } -static int handle_cpuid(struct kvm_vcpu *vcpu, struct kvm_run *kvm_run) +static int handle_cpuid(struct kvm_vcpu *vcpu) { kvm_emulate_cpuid(vcpu); return 1; } -static int handle_rdmsr(struct kvm_vcpu *vcpu, struct kvm_run *kvm_run) +static int handle_rdmsr(struct kvm_vcpu *vcpu) { u32 ecx = vcpu->arch.regs[VCPU_REGS_RCX]; u64 data; @@ -3040,7 +3039,7 @@ static int handle_rdmsr(struct kvm_vcpu *vcpu, struct kvm_run *kvm_run) return 1; } -static int handle_wrmsr(struct kvm_vcpu *vcpu, struct kvm_run *kvm_run) +static int handle_wrmsr(struct kvm_vcpu *vcpu) { u32 ecx = vcpu->arch.regs[VCPU_REGS_RCX]; u64 data = (vcpu->arch.regs[VCPU_REGS_RAX] & -1u) @@ -3057,14 +3056,12 @@ static int handle_wrmsr(struct kvm_vcpu *vcpu, struct kvm_run *kvm_run) return 1; } -static int handle_tpr_below_threshold(struct kvm_vcpu *vcpu, - struct kvm_run *kvm_run) +static int handle_tpr_below_threshold(struct kvm_vcpu *vcpu) { return 1; } -static int handle_interrupt_window(struct kvm_vcpu *vcpu, - struct kvm_run *kvm_run) +static int handle_interrupt_window(struct kvm_vcpu *vcpu) { u32 cpu_based_vm_exec_control; @@ -3080,34 +3077,34 @@ static int handle_interrupt_window(struct kvm_vcpu *vcpu, * possible */ if (!irqchip_in_kernel(vcpu->kvm) && - kvm_run->request_interrupt_window && + vcpu->run->request_interrupt_window && !kvm_cpu_has_interrupt(vcpu)) { - kvm_run->exit_reason = KVM_EXIT_IRQ_WINDOW_OPEN; + vcpu->run->exit_reason = KVM_EXIT_IRQ_WINDOW_OPEN; return 0; } return 1; } -static int handle_halt(struct kvm_vcpu *vcpu, struct kvm_run *kvm_run) +static int handle_halt(struct kvm_vcpu *vcpu) { skip_emulated_instruction(vcpu); return kvm_emulate_halt(vcpu); } -static int handle_vmcall(struct kvm_vcpu *vcpu, struct kvm_run *kvm_run) +static int handle_vmcall(struct kvm_vcpu *vcpu) { skip_emulated_instruction(vcpu); kvm_emulate_hypercall(vcpu); return 1; } -static int handle_vmx_insn(struct kvm_vcpu *vcpu, struct kvm_run *kvm_run) +static int handle_vmx_insn(struct kvm_vcpu *vcpu) { kvm_queue_exception(vcpu, UD_VECTOR); return 1; } -static int handle_invlpg(struct kvm_vcpu *vcpu, struct kvm_run *kvm_run) +static int handle_invlpg(struct kvm_vcpu *vcpu) { unsigned long exit_qualification = vmcs_readl(EXIT_QUALIFICATION); @@ -3116,14 +3113,14 @@ static int handle_invlpg(struct kvm_vcpu *vcpu, struct kvm_run *kvm_run) return 1; } -static int handle_wbinvd(struct kvm_vcpu *vcpu, struct kvm_run *kvm_run) +static int handle_wbinvd(struct kvm_vcpu *vcpu) { skip_emulated_instruction(vcpu); /* TODO: Add support for VT-d/pass-through device */ return 1; } -static int handle_apic_access(struct kvm_vcpu *vcpu, struct kvm_run *kvm_run) +static int handle_apic_access(struct kvm_vcpu *vcpu) { unsigned long exit_qualification; enum emulation_result er; @@ -3132,7 +3129,7 @@ static int handle_apic_access(struct kvm_vcpu *vcpu, struct kvm_run *kvm_run) exit_qualification = vmcs_readl(EXIT_QUALIFICATION); offset = exit_qualification & 0xffful; - er = emulate_instruction(vcpu, kvm_run, 0, 0, 0); + er = emulate_instruction(vcpu, 0, 0, 0); if (er != EMULATE_DONE) { printk(KERN_ERR @@ -3143,7 +3140,7 @@ static int handle_apic_access(struct kvm_vcpu *vcpu, struct kvm_run *kvm_run) return 1; } -static int handle_task_switch(struct kvm_vcpu *vcpu, struct kvm_run *kvm_run) +static int handle_task_switch(struct kvm_vcpu *vcpu) { struct vcpu_vmx *vmx = to_vmx(vcpu); unsigned long exit_qualification; @@ -3197,7 +3194,7 @@ static int handle_task_switch(struct kvm_vcpu *vcpu, struct kvm_run *kvm_run) return 1; } -static int handle_ept_violation(struct kvm_vcpu *vcpu, struct kvm_run *kvm_run) +static int handle_ept_violation(struct kvm_vcpu *vcpu) { unsigned long exit_qualification; gpa_t gpa; @@ -3218,8 +3215,8 @@ static int handle_ept_violation(struct kvm_vcpu *vcpu, struct kvm_run *kvm_run) vmcs_readl(GUEST_LINEAR_ADDRESS)); printk(KERN_ERR "EPT: Exit qualification is 0x%lx\n", (long unsigned int)exit_qualification); - kvm_run->exit_reason = KVM_EXIT_UNKNOWN; - kvm_run->hw.hardware_exit_reason = EXIT_REASON_EPT_VIOLATION; + vcpu->run->exit_reason = KVM_EXIT_UNKNOWN; + vcpu->run->hw.hardware_exit_reason = EXIT_REASON_EPT_VIOLATION; return 0; } @@ -3289,7 +3286,7 @@ static void ept_misconfig_inspect_spte(struct kvm_vcpu *vcpu, u64 spte, } } -static int handle_ept_misconfig(struct kvm_vcpu *vcpu, struct kvm_run *kvm_run) +static int handle_ept_misconfig(struct kvm_vcpu *vcpu) { u64 sptes[4]; int nr_sptes, i; @@ -3305,13 +3302,13 @@ static int handle_ept_misconfig(struct kvm_vcpu *vcpu, struct kvm_run *kvm_run) for (i = PT64_ROOT_LEVEL; i > PT64_ROOT_LEVEL - nr_sptes; --i) ept_misconfig_inspect_spte(vcpu, sptes[i-1], i); - kvm_run->exit_reason = KVM_EXIT_UNKNOWN; - kvm_run->hw.hardware_exit_reason = EXIT_REASON_EPT_MISCONFIG; + vcpu->run->exit_reason = KVM_EXIT_UNKNOWN; + vcpu->run->hw.hardware_exit_reason = EXIT_REASON_EPT_MISCONFIG; return 0; } -static int handle_nmi_window(struct kvm_vcpu *vcpu, struct kvm_run *kvm_run) +static int handle_nmi_window(struct kvm_vcpu *vcpu) { u32 cpu_based_vm_exec_control; @@ -3324,8 +3321,7 @@ static int handle_nmi_window(struct kvm_vcpu *vcpu, struct kvm_run *kvm_run) return 1; } -static void handle_invalid_guest_state(struct kvm_vcpu *vcpu, - struct kvm_run *kvm_run) +static void handle_invalid_guest_state(struct kvm_vcpu *vcpu) { struct vcpu_vmx *vmx = to_vmx(vcpu); enum emulation_result err = EMULATE_DONE; @@ -3334,7 +3330,7 @@ static void handle_invalid_guest_state(struct kvm_vcpu *vcpu, preempt_enable(); while (!guest_state_valid(vcpu)) { - err = emulate_instruction(vcpu, kvm_run, 0, 0, 0); + err = emulate_instruction(vcpu, 0, 0, 0); if (err == EMULATE_DO_MMIO) break; @@ -3361,8 +3357,7 @@ static void handle_invalid_guest_state(struct kvm_vcpu *vcpu, * may resume. Otherwise they set the kvm_run parameter to indicate what needs * to be done to userspace and return 0. */ -static int (*kvm_vmx_exit_handlers[])(struct kvm_vcpu *vcpu, - struct kvm_run *kvm_run) = { +static int (*kvm_vmx_exit_handlers[])(struct kvm_vcpu *vcpu) = { [EXIT_REASON_EXCEPTION_NMI] = handle_exception, [EXIT_REASON_EXTERNAL_INTERRUPT] = handle_external_interrupt, [EXIT_REASON_TRIPLE_FAULT] = handle_triple_fault, @@ -3402,7 +3397,7 @@ static const int kvm_vmx_max_exit_handlers = * The guest has exited. See if we can fix it or if we need userspace * assistance. */ -static int vmx_handle_exit(struct kvm_run *kvm_run, struct kvm_vcpu *vcpu) +static int vmx_handle_exit(struct kvm_vcpu *vcpu) { struct vcpu_vmx *vmx = to_vmx(vcpu); u32 exit_reason = vmx->exit_reason; @@ -3424,8 +3419,8 @@ static int vmx_handle_exit(struct kvm_run *kvm_run, struct kvm_vcpu *vcpu) vcpu->arch.cr3 = vmcs_readl(GUEST_CR3); if (unlikely(vmx->fail)) { - kvm_run->exit_reason = KVM_EXIT_FAIL_ENTRY; - kvm_run->fail_entry.hardware_entry_failure_reason + vcpu->run->exit_reason = KVM_EXIT_FAIL_ENTRY; + vcpu->run->fail_entry.hardware_entry_failure_reason = vmcs_read32(VM_INSTRUCTION_ERROR); return 0; } @@ -3458,10 +3453,10 @@ static int vmx_handle_exit(struct kvm_run *kvm_run, struct kvm_vcpu *vcpu) if (exit_reason < kvm_vmx_max_exit_handlers && kvm_vmx_exit_handlers[exit_reason]) - return kvm_vmx_exit_handlers[exit_reason](vcpu, kvm_run); + return kvm_vmx_exit_handlers[exit_reason](vcpu); else { - kvm_run->exit_reason = KVM_EXIT_UNKNOWN; - kvm_run->hw.hardware_exit_reason = exit_reason; + vcpu->run->exit_reason = KVM_EXIT_UNKNOWN; + vcpu->run->hw.hardware_exit_reason = exit_reason; } return 0; } @@ -3599,7 +3594,7 @@ static void fixup_rmode_irq(struct vcpu_vmx *vmx) #define Q "l" #endif -static void vmx_vcpu_run(struct kvm_vcpu *vcpu, struct kvm_run *kvm_run) +static void vmx_vcpu_run(struct kvm_vcpu *vcpu) { struct vcpu_vmx *vmx = to_vmx(vcpu); @@ -3613,7 +3608,7 @@ static void vmx_vcpu_run(struct kvm_vcpu *vcpu, struct kvm_run *kvm_run) /* Handle invalid guest state instead of entering VMX */ if (vmx->emulation_required && emulate_invalid_guest_state) { - handle_invalid_guest_state(vcpu, kvm_run); + handle_invalid_guest_state(vcpu); return; } diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c index 0f22f72..2e92aef 100644 --- a/arch/x86/kvm/x86.c +++ b/arch/x86/kvm/x86.c @@ -2744,13 +2744,13 @@ static void cache_all_regs(struct kvm_vcpu *vcpu) } int emulate_instruction(struct kvm_vcpu *vcpu, - struct kvm_run *run, unsigned long cr2, u16 error_code, int emulation_type) { int r, shadow_mask; struct decode_cache *c; + struct kvm_run *run = vcpu->run; kvm_clear_exception_queue(vcpu); vcpu->arch.mmio_fault_cr2 = cr2; @@ -2956,8 +2956,7 @@ static int pio_string_write(struct kvm_vcpu *vcpu) return r; } -int kvm_emulate_pio(struct kvm_vcpu *vcpu, struct kvm_run *run, int in, - int size, unsigned port) +int kvm_emulate_pio(struct kvm_vcpu *vcpu, int in, int size, unsigned port) { unsigned long val; @@ -2986,7 +2985,7 @@ int kvm_emulate_pio(struct kvm_vcpu *vcpu, struct kvm_run *run, int in, } EXPORT_SYMBOL_GPL(kvm_emulate_pio); -int kvm_emulate_pio_string(struct kvm_vcpu *vcpu, struct kvm_run *run, int in, +int kvm_emulate_pio_string(struct kvm_vcpu *vcpu, int in, int size, unsigned long count, int down, gva_t address, int rep, unsigned port) { @@ -3440,17 +3439,17 @@ EXPORT_SYMBOL_GPL(kvm_emulate_cpuid); * * No need to exit to userspace if we already have an interrupt queued. */ -static int dm_request_for_irq_injection(struct kvm_vcpu *vcpu, - struct kvm_run *kvm_run) +static int dm_request_for_irq_injection(struct kvm_vcpu *vcpu) { return (!irqchip_in_kernel(vcpu->kvm) && !kvm_cpu_has_interrupt(vcpu) && - kvm_run->request_interrupt_window && + vcpu->run->request_interrupt_window && kvm_arch_interrupt_allowed(vcpu)); } -static void post_kvm_run_save(struct kvm_vcpu *vcpu, - struct kvm_run *kvm_run) +static void post_kvm_run_save(struct kvm_vcpu *vcpu) { + struct kvm_run *kvm_run = vcpu->run; + kvm_run->if_flag = (kvm_x86_ops->get_rflags(vcpu) & X86_EFLAGS_IF) != 0; kvm_run->cr8 = kvm_get_cr8(vcpu); kvm_run->apic_base = kvm_get_apic_base(vcpu); @@ -3512,7 +3511,7 @@ static void update_cr8_intercept(struct kvm_vcpu *vcpu) kvm_x86_ops->update_cr8_intercept(vcpu, tpr, max_irr); } -static void inject_pending_event(struct kvm_vcpu *vcpu, struct kvm_run *kvm_run) +static void inject_pending_event(struct kvm_vcpu *vcpu) { /* try to reinject previous events if any */ if (vcpu->arch.exception.pending) { @@ -3548,11 +3547,11 @@ static void inject_pending_event(struct kvm_vcpu *vcpu, struct kvm_run *kvm_run) } } -static int vcpu_enter_guest(struct kvm_vcpu *vcpu, struct kvm_run *kvm_run) +static int vcpu_enter_guest(struct kvm_vcpu *vcpu) { int r; bool req_int_win = !irqchip_in_kernel(vcpu->kvm) && - kvm_run->request_interrupt_window; + vcpu->run->request_interrupt_window; if (vcpu->requests) if (test_and_clear_bit(KVM_REQ_MMU_RELOAD, &vcpu->requests)) @@ -3573,12 +3572,12 @@ static int vcpu_enter_guest(struct kvm_vcpu *vcpu, struct kvm_run *kvm_run) kvm_x86_ops->tlb_flush(vcpu); if (test_and_clear_bit(KVM_REQ_REPORT_TPR_ACCESS, &vcpu->requests)) { - kvm_run->exit_reason = KVM_EXIT_TPR_ACCESS; + vcpu->run->exit_reason = KVM_EXIT_TPR_ACCESS; r = 0; goto out; } if (test_and_clear_bit(KVM_REQ_TRIPLE_FAULT, &vcpu->requests)) { - kvm_run->exit_reason = KVM_EXIT_SHUTDOWN; + vcpu->run->exit_reason = KVM_EXIT_SHUTDOWN; r = 0; goto out; } @@ -3602,7 +3601,7 @@ static int vcpu_enter_guest(struct kvm_vcpu *vcpu, struct kvm_run *kvm_run) goto out; } - inject_pending_event(vcpu, kvm_run); + inject_pending_event(vcpu); /* enable NMI/IRQ window open exits if needed */ if (vcpu->arch.nmi_pending) @@ -3635,7 +3634,7 @@ static int vcpu_enter_guest(struct kvm_vcpu *vcpu, struct kvm_run *kvm_run) } trace_kvm_entry(vcpu->vcpu_id); - kvm_x86_ops->run(vcpu, kvm_run); + kvm_x86_ops->run(vcpu); if (unlikely(vcpu->arch.switch_db_regs)) { set_debugreg(0, 7); @@ -3677,13 +3676,13 @@ static int vcpu_enter_guest(struct kvm_vcpu *vcpu, struct kvm_run *kvm_run) kvm_lapic_sync_from_vapic(vcpu); - r = kvm_x86_ops->handle_exit(kvm_run, vcpu); + r = kvm_x86_ops->handle_exit(vcpu); out: return r; } -static int __vcpu_run(struct kvm_vcpu *vcpu, struct kvm_run *kvm_run) +static int __vcpu_run(struct kvm_vcpu *vcpu) { int r; @@ -3703,7 +3702,7 @@ static int __vcpu_run(struct kvm_vcpu *vcpu, struct kvm_run *kvm_run) r = 1; while (r > 0) { if (vcpu->arch.mp_state == KVM_MP_STATE_RUNNABLE) - r = vcpu_enter_guest(vcpu, kvm_run); + r = vcpu_enter_guest(vcpu); else { up_read(&vcpu->kvm->slots_lock); kvm_vcpu_block(vcpu); @@ -3731,14 +3730,14 @@ static int __vcpu_run(struct kvm_vcpu *vcpu, struct kvm_run *kvm_run) if (kvm_cpu_has_pending_timer(vcpu)) kvm_inject_pending_timer_irqs(vcpu); - if (dm_request_for_irq_injection(vcpu, kvm_run)) { + if (dm_request_for_irq_injection(vcpu)) { r = -EINTR; - kvm_run->exit_reason = KVM_EXIT_INTR; + vcpu->run->exit_reason = KVM_EXIT_INTR; ++vcpu->stat.request_irq_exits; } if (signal_pending(current)) { r = -EINTR; - kvm_run->exit_reason = KVM_EXIT_INTR; + vcpu->run->exit_reason = KVM_EXIT_INTR; ++vcpu->stat.signal_exits; } if (need_resched()) { @@ -3749,7 +3748,7 @@ static int __vcpu_run(struct kvm_vcpu *vcpu, struct kvm_run *kvm_run) } up_read(&vcpu->kvm->slots_lock); - post_kvm_run_save(vcpu, kvm_run); + post_kvm_run_save(vcpu); vapic_exit(vcpu); @@ -3789,8 +3788,7 @@ int kvm_arch_vcpu_ioctl_run(struct kvm_vcpu *vcpu, struct kvm_run *kvm_run) vcpu->mmio_needed = 0; down_read(&vcpu->kvm->slots_lock); - r = emulate_instruction(vcpu, kvm_run, - vcpu->arch.mmio_fault_cr2, 0, + r = emulate_instruction(vcpu, vcpu->arch.mmio_fault_cr2, 0, EMULTYPE_NO_DECODE); up_read(&vcpu->kvm->slots_lock); if (r == EMULATE_DO_MMIO) { @@ -3806,7 +3804,7 @@ int kvm_arch_vcpu_ioctl_run(struct kvm_vcpu *vcpu, struct kvm_run *kvm_run) kvm_register_write(vcpu, VCPU_REGS_RAX, kvm_run->hypercall.ret); - r = __vcpu_run(vcpu, kvm_run); + r = __vcpu_run(vcpu); out: if (vcpu->sigset_active) -- To unsubscribe from this list: send the line "unsubscribe kvm-commits" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
