diff options
Diffstat (limited to 'target/i386')
| -rw-r--r-- | target/i386/Makefile.objs | 17 | ||||
| -rw-r--r-- | target/i386/cpu.c | 3 | ||||
| -rw-r--r-- | target/i386/cpu.h | 2 | ||||
| -rw-r--r-- | target/i386/hvf/hvf.c | 9 | ||||
| -rw-r--r-- | target/i386/hvf/x86_decode.c | 67 | ||||
| -rw-r--r-- | target/i386/hvf/x86_decode.h | 6 | ||||
| -rw-r--r-- | target/i386/hyperv-proto.h | 116 | ||||
| -rw-r--r-- | target/i386/hyperv-stub.c | 48 | ||||
| -rw-r--r-- | target/i386/hyperv.c | 130 | ||||
| -rw-r--r-- | target/i386/hyperv.h | 28 | ||||
| -rw-r--r-- | target/i386/kvm.c | 68 | ||||
| -rw-r--r-- | target/i386/machine.c | 9 |
12 files changed, 222 insertions, 281 deletions
diff --git a/target/i386/Makefile.objs b/target/i386/Makefile.objs index 04678f5503..32bf966300 100644 --- a/target/i386/Makefile.objs +++ b/target/i386/Makefile.objs @@ -3,17 +3,20 @@ obj-$(CONFIG_TCG) += translate.o obj-$(CONFIG_TCG) += bpt_helper.o cc_helper.o excp_helper.o fpu_helper.o obj-$(CONFIG_TCG) += int_helper.o mem_helper.o misc_helper.o mpx_helper.o obj-$(CONFIG_TCG) += seg_helper.o smm_helper.o svm_helper.o -obj-$(CONFIG_SOFTMMU) += machine.o arch_memory_mapping.o arch_dump.o monitor.o -obj-$(CONFIG_KVM) += kvm.o hyperv.o -obj-$(CONFIG_SEV) += sev.o +ifeq ($(CONFIG_SOFTMMU),y) +obj-y += machine.o arch_memory_mapping.o arch_dump.o monitor.o +obj-$(CONFIG_KVM) += kvm.o obj-$(call lnot,$(CONFIG_KVM)) += kvm-stub.o -obj-$(call lnot,$(CONFIG_SEV)) += sev-stub.o -# HAX support -ifdef CONFIG_WIN32 +obj-$(CONFIG_HYPERV) += hyperv.o +obj-$(call lnot,$(CONFIG_HYPERV)) += hyperv-stub.o +ifeq ($(CONFIG_WIN32),y) obj-$(CONFIG_HAX) += hax-all.o hax-mem.o hax-windows.o endif -ifdef CONFIG_DARWIN +ifeq ($(CONFIG_DARWIN),y) obj-$(CONFIG_HAX) += hax-all.o hax-mem.o hax-darwin.o obj-$(CONFIG_HVF) += hvf/ endif obj-$(CONFIG_WHPX) += whpx-all.o +endif +obj-$(CONFIG_SEV) += sev.o +obj-$(call lnot,$(CONFIG_SEV)) += sev-stub.o diff --git a/target/i386/cpu.c b/target/i386/cpu.c index c88876dfe3..f0d9f7cf49 100644 --- a/target/i386/cpu.c +++ b/target/i386/cpu.c @@ -5564,6 +5564,7 @@ static Property x86_cpu_properties[] = { DEFINE_PROP_BOOL("hv-frequencies", X86CPU, hyperv_frequencies, false), DEFINE_PROP_BOOL("hv-reenlightenment", X86CPU, hyperv_reenlightenment, false), DEFINE_PROP_BOOL("hv-tlbflush", X86CPU, hyperv_tlbflush, false), + DEFINE_PROP_BOOL("hv-ipi", X86CPU, hyperv_ipi, false), DEFINE_PROP_BOOL("check", X86CPU, check_cpuid, true), DEFINE_PROP_BOOL("enforce", X86CPU, enforce_cpuid, false), DEFINE_PROP_BOOL("kvm", X86CPU, expose_kvm, true), @@ -5606,6 +5607,8 @@ static Property x86_cpu_properties[] = { * to the specific Windows version being used." */ DEFINE_PROP_INT32("x-hv-max-vps", X86CPU, hv_max_vps, -1), + DEFINE_PROP_BOOL("x-hv-synic-kvm-only", X86CPU, hyperv_synic_kvm_only, + false), DEFINE_PROP_END_OF_LIST() }; diff --git a/target/i386/cpu.h b/target/i386/cpu.h index 730c06f80a..663f3a5e67 100644 --- a/target/i386/cpu.h +++ b/target/i386/cpu.h @@ -1378,10 +1378,12 @@ struct X86CPU { bool hyperv_vpindex; bool hyperv_runtime; bool hyperv_synic; + bool hyperv_synic_kvm_only; bool hyperv_stimer; bool hyperv_frequencies; bool hyperv_reenlightenment; bool hyperv_tlbflush; + bool hyperv_ipi; bool check_cpuid; bool enforce_cpuid; bool expose_kvm; diff --git a/target/i386/hvf/hvf.c b/target/i386/hvf/hvf.c index 9f52bc413a..e193022c03 100644 --- a/target/i386/hvf/hvf.c +++ b/target/i386/hvf/hvf.c @@ -73,7 +73,6 @@ #include "target/i386/cpu.h" HVFState *hvf_state; -int hvf_disabled = 1; static void assert_hvf_ok(hv_return_t ret) { @@ -604,11 +603,6 @@ int hvf_init_vcpu(CPUState *cpu) return 0; } -void hvf_disable(int shouldDisable) -{ - hvf_disabled = shouldDisable; -} - static void hvf_store_events(CPUState *cpu, uint32_t ins_len, uint64_t idtvec_info) { X86CPU *x86_cpu = X86_CPU(cpu); @@ -934,7 +928,7 @@ int hvf_vcpu_exec(CPUState *cpu) return ret; } -static bool hvf_allowed; +bool hvf_allowed; static int hvf_accel_init(MachineState *ms) { @@ -942,7 +936,6 @@ static int hvf_accel_init(MachineState *ms) hv_return_t ret; HVFState *s; - hvf_disable(0); ret = hv_vm_create(HV_VM_DEFAULT); assert_hvf_ok(ret); diff --git a/target/i386/hvf/x86_decode.c b/target/i386/hvf/x86_decode.c index 2d7540fe7c..2e33b69541 100644 --- a/target/i386/hvf/x86_decode.c +++ b/target/i386/hvf/x86_decode.c @@ -113,7 +113,8 @@ static void decode_modrm_reg(CPUX86State *env, struct x86_decode *decode, { op->type = X86_VAR_REG; op->reg = decode->modrm.reg; - op->ptr = get_reg_ref(env, op->reg, decode->rex.r, decode->operand_size); + op->ptr = get_reg_ref(env, op->reg, decode->rex.rex, decode->rex.r, + decode->operand_size); } static void decode_rax(CPUX86State *env, struct x86_decode *decode, @@ -121,7 +122,8 @@ static void decode_rax(CPUX86State *env, struct x86_decode *decode, { op->type = X86_VAR_REG; op->reg = R_EAX; - op->ptr = get_reg_ref(env, op->reg, 0, decode->operand_size); + op->ptr = get_reg_ref(env, op->reg, decode->rex.rex, 0, + decode->operand_size); } static inline void decode_immediate(CPUX86State *env, struct x86_decode *decode, @@ -263,16 +265,16 @@ static void decode_incgroup(CPUX86State *env, struct x86_decode *decode) { decode->op[0].type = X86_VAR_REG; decode->op[0].reg = decode->opcode[0] - 0x40; - decode->op[0].ptr = get_reg_ref(env, decode->op[0].reg, decode->rex.b, - decode->operand_size); + decode->op[0].ptr = get_reg_ref(env, decode->op[0].reg, decode->rex.rex, + decode->rex.b, decode->operand_size); } static void decode_decgroup(CPUX86State *env, struct x86_decode *decode) { decode->op[0].type = X86_VAR_REG; decode->op[0].reg = decode->opcode[0] - 0x48; - decode->op[0].ptr = get_reg_ref(env, decode->op[0].reg, decode->rex.b, - decode->operand_size); + decode->op[0].ptr = get_reg_ref(env, decode->op[0].reg, decode->rex.rex, + decode->rex.b, decode->operand_size); } static void decode_incgroup2(CPUX86State *env, struct x86_decode *decode) @@ -288,16 +290,16 @@ static void decode_pushgroup(CPUX86State *env, struct x86_decode *decode) { decode->op[0].type = X86_VAR_REG; decode->op[0].reg = decode->opcode[0] - 0x50; - decode->op[0].ptr = get_reg_ref(env, decode->op[0].reg, decode->rex.b, - decode->operand_size); + decode->op[0].ptr = get_reg_ref(env, decode->op[0].reg, decode->rex.rex, + decode->rex.b, decode->operand_size); } static void decode_popgroup(CPUX86State *env, struct x86_decode *decode) { decode->op[0].type = X86_VAR_REG; decode->op[0].reg = decode->opcode[0] - 0x58; - decode->op[0].ptr = get_reg_ref(env, decode->op[0].reg, decode->rex.b, - decode->operand_size); + decode->op[0].ptr = get_reg_ref(env, decode->op[0].reg, decode->rex.rex, + decode->rex.b, decode->operand_size); } static void decode_jxx(CPUX86State *env, struct x86_decode *decode) @@ -378,16 +380,16 @@ static void decode_xchgroup(CPUX86State *env, struct x86_decode *decode) { decode->op[0].type = X86_VAR_REG; decode->op[0].reg = decode->opcode[0] - 0x90; - decode->op[0].ptr = get_reg_ref(env, decode->op[0].reg, decode->rex.b, - decode->operand_size); + decode->op[0].ptr = get_reg_ref(env, decode->op[0].reg, decode->rex.rex, + decode->rex.b, decode->operand_size); } static void decode_movgroup(CPUX86State *env, struct x86_decode *decode) { decode->op[0].type = X86_VAR_REG; decode->op[0].reg = decode->opcode[0] - 0xb8; - decode->op[0].ptr = get_reg_ref(env, decode->op[0].reg, decode->rex.b, - decode->operand_size); + decode->op[0].ptr = get_reg_ref(env, decode->op[0].reg, decode->rex.rex, + decode->rex.b, decode->operand_size); decode_immediate(env, decode, &decode->op[1], decode->operand_size); } @@ -402,8 +404,8 @@ static void decode_movgroup8(CPUX86State *env, struct x86_decode *decode) { decode->op[0].type = X86_VAR_REG; decode->op[0].reg = decode->opcode[0] - 0xb0; - decode->op[0].ptr = get_reg_ref(env, decode->op[0].reg, decode->rex.b, - decode->operand_size); + decode->op[0].ptr = get_reg_ref(env, decode->op[0].reg, decode->rex.rex, + decode->rex.b, decode->operand_size); decode_immediate(env, decode, &decode->op[1], decode->operand_size); } @@ -412,7 +414,8 @@ static void decode_rcx(CPUX86State *env, struct x86_decode *decode, { op->type = X86_VAR_REG; op->reg = R_ECX; - op->ptr = get_reg_ref(env, op->reg, decode->rex.b, decode->operand_size); + op->ptr = get_reg_ref(env, op->reg, decode->rex.rex, decode->rex.b, + decode->operand_size); } struct decode_tbl { @@ -639,8 +642,8 @@ static void decode_bswap(CPUX86State *env, struct x86_decode *decode) { decode->op[0].type = X86_VAR_REG; decode->op[0].reg = decode->opcode[1] - 0xc8; - decode->op[0].ptr = get_reg_ref(env, decode->op[0].reg, decode->rex.b, - decode->operand_size); + decode->op[0].ptr = get_reg_ref(env, decode->op[0].reg, decode->rex.rex, + decode->rex.b, decode->operand_size); } static void decode_d9_4(CPUX86State *env, struct x86_decode *decode) @@ -1686,7 +1689,8 @@ calc_addr: } } -target_ulong get_reg_ref(CPUX86State *env, int reg, int is_extended, int size) +target_ulong get_reg_ref(CPUX86State *env, int reg, int rex, int is_extended, + int size) { target_ulong ptr = 0; int which = 0; @@ -1698,7 +1702,7 @@ target_ulong get_reg_ref(CPUX86State *env, int reg, int is_extended, int size) switch (size) { case 1: - if (is_extended || reg < 4) { + if (is_extended || reg < 4 || rex) { which = 1; ptr = (target_ulong)&RL(env, reg); } else { @@ -1714,10 +1718,11 @@ target_ulong get_reg_ref(CPUX86State *env, int reg, int is_extended, int size) return ptr; } -target_ulong get_reg_val(CPUX86State *env, int reg, int is_extended, int size) +target_ulong get_reg_val(CPUX86State *env, int reg, int rex, int is_extended, + int size) { target_ulong val = 0; - memcpy(&val, (void *)get_reg_ref(env, reg, is_extended, size), size); + memcpy(&val, (void *)get_reg_ref(env, reg, rex, is_extended, size), size); return val; } @@ -1739,7 +1744,8 @@ static target_ulong get_sib_val(CPUX86State *env, struct x86_decode *decode, if (base_reg == R_ESP || base_reg == R_EBP) { *sel = R_SS; } - base = get_reg_val(env, decode->sib.base, decode->rex.b, addr_size); + base = get_reg_val(env, decode->sib.base, decode->rex.rex, + decode->rex.b, addr_size); } if (decode->rex.x) { @@ -1747,7 +1753,8 @@ static target_ulong get_sib_val(CPUX86State *env, struct x86_decode *decode, } if (index_reg != R_ESP) { - scaled_index = get_reg_val(env, index_reg, decode->rex.x, addr_size) << + scaled_index = get_reg_val(env, index_reg, decode->rex.rex, + decode->rex.x, addr_size) << decode->sib.scale; } return base + scaled_index; @@ -1776,7 +1783,8 @@ void calc_modrm_operand32(CPUX86State *env, struct x86_decode *decode, if (decode->modrm.rm == R_EBP || decode->modrm.rm == R_ESP) { seg = R_SS; } - ptr += get_reg_val(env, decode->modrm.rm, decode->rex.b, addr_size); + ptr += get_reg_val(env, decode->modrm.rm, decode->rex.rex, + decode->rex.b, addr_size); } if (X86_DECODE_CMD_LEA == decode->cmd) { @@ -1805,7 +1813,8 @@ void calc_modrm_operand64(CPUX86State *env, struct x86_decode *decode, } else if (0 == mod && 5 == rm) { ptr = RIP(env) + decode->len + (int32_t) offset; } else { - ptr = get_reg_val(env, src, decode->rex.b, 8) + (int64_t) offset; + ptr = get_reg_val(env, src, decode->rex.rex, decode->rex.b, 8) + + (int64_t) offset; } if (X86_DECODE_CMD_LEA == decode->cmd) { @@ -1822,8 +1831,8 @@ void calc_modrm_operand(CPUX86State *env, struct x86_decode *decode, if (3 == decode->modrm.mod) { op->reg = decode->modrm.reg; op->type = X86_VAR_REG; - op->ptr = get_reg_ref(env, decode->modrm.rm, decode->rex.b, - decode->operand_size); + op->ptr = get_reg_ref(env, decode->modrm.rm, decode->rex.rex, + decode->rex.b, decode->operand_size); return; } diff --git a/target/i386/hvf/x86_decode.h b/target/i386/hvf/x86_decode.h index 5ab6f31fa5..ef4bcab310 100644 --- a/target/i386/hvf/x86_decode.h +++ b/target/i386/hvf/x86_decode.h @@ -303,8 +303,10 @@ uint64_t sign(uint64_t val, int size); uint32_t decode_instruction(CPUX86State *env, struct x86_decode *decode); -target_ulong get_reg_ref(CPUX86State *env, int reg, int is_extended, int size); -target_ulong get_reg_val(CPUX86State *env, int reg, int is_extended, int size); +target_ulong get_reg_ref(CPUX86State *env, int reg, int rex, int is_extended, + int size); +target_ulong get_reg_val(CPUX86State *env, int reg, int rex, int is_extended, + int size); void calc_modrm_operand(CPUX86State *env, struct x86_decode *decode, struct x86_decode_op *op); target_ulong decode_linear_addr(CPUX86State *env, struct x86_decode *decode, diff --git a/target/i386/hyperv-proto.h b/target/i386/hyperv-proto.h index d6d5a79293..8c572cd7c2 100644 --- a/target/i386/hyperv-proto.h +++ b/target/i386/hyperv-proto.h @@ -1,7 +1,7 @@ /* - * Definitions for Hyper-V guest/hypervisor interaction + * Definitions for Hyper-V guest/hypervisor interaction - x86-specific part * - * Copyright (C) 2017 Parallels International GmbH + * Copyright (c) 2017-2018 Virtuozzo International GmbH. * * This work is licensed under the terms of the GNU GPL, version 2 or later. * See the COPYING file in the top-level directory. @@ -10,7 +10,7 @@ #ifndef TARGET_I386_HYPERV_PROTO_H #define TARGET_I386_HYPERV_PROTO_H -#include "qemu/bitmap.h" +#include "hw/hyperv/hyperv-proto.h" #define HV_CPUID_VENDOR_AND_MAX_FUNCTIONS 0x40000000 #define HV_CPUID_INTERFACE 0x40000001 @@ -58,6 +58,7 @@ #define HV_APIC_ACCESS_RECOMMENDED (1u << 3) #define HV_SYSTEM_RESET_RECOMMENDED (1u << 4) #define HV_RELAXED_TIMING_RECOMMENDED (1u << 5) +#define HV_CLUSTER_IPI_RECOMMENDED (1u << 10) #define HV_EX_PROCESSOR_MASKS_RECOMMENDED (1u << 11) /* @@ -138,25 +139,6 @@ #define HV_X64_MSR_TSC_EMULATION_STATUS 0x40000108 /* - * Hypercall status code - */ -#define HV_STATUS_SUCCESS 0 -#define HV_STATUS_INVALID_HYPERCALL_CODE 2 -#define HV_STATUS_INVALID_HYPERCALL_INPUT 3 -#define HV_STATUS_INVALID_ALIGNMENT 4 -#define HV_STATUS_INVALID_PARAMETER 5 -#define HV_STATUS_INSUFFICIENT_MEMORY 11 -#define HV_STATUS_INVALID_CONNECTION_ID 18 -#define HV_STATUS_INSUFFICIENT_BUFFERS 19 - -/* - * Hypercall numbers - */ -#define HV_POST_MESSAGE 0x005c -#define HV_SIGNAL_EVENT 0x005d -#define HV_HYPERCALL_FAST (1u << 16) - -/* * Hypercall MSR bits */ #define HV_HYPERCALL_ENABLE (1u << 0) @@ -165,7 +147,6 @@ * Synthetic interrupt controller definitions */ #define HV_SYNIC_VERSION 1 -#define HV_SINT_COUNT 16 #define HV_SYNIC_ENABLE (1u << 0) #define HV_SIMP_ENABLE (1u << 0) #define HV_SIEFP_ENABLE (1u << 0) @@ -175,94 +156,5 @@ #define HV_STIMER_COUNT 4 -/* - * Message size - */ -#define HV_MESSAGE_PAYLOAD_SIZE 240 - -/* - * Message types - */ -#define HV_MESSAGE_NONE 0x00000000 -#define HV_MESSAGE_VMBUS 0x00000001 -#define HV_MESSAGE_UNMAPPED_GPA 0x80000000 -#define HV_MESSAGE_GPA_INTERCEPT 0x80000001 -#define HV_MESSAGE_TIMER_EXPIRED 0x80000010 -#define HV_MESSAGE_INVALID_VP_REGISTER_VALUE 0x80000020 -#define HV_MESSAGE_UNRECOVERABLE_EXCEPTION 0x80000021 -#define HV_MESSAGE_UNSUPPORTED_FEATURE 0x80000022 -#define HV_MESSAGE_EVENTLOG_BUFFERCOMPLETE 0x80000040 -#define HV_MESSAGE_X64_IOPORT_INTERCEPT 0x80010000 -#define HV_MESSAGE_X64_MSR_INTERCEPT 0x80010001 -#define HV_MESSAGE_X64_CPUID_INTERCEPT 0x80010002 -#define HV_MESSAGE_X64_EXCEPTION_INTERCEPT 0x80010003 -#define HV_MESSAGE_X64_APIC_EOI 0x80010004 -#define HV_MESSAGE_X64_LEGACY_FP_ERROR 0x80010005 - -/* - * Message flags - */ -#define HV_MESSAGE_FLAG_PENDING 0x1 - -/* - * Event flags number per SINT - */ -#define HV_EVENT_FLAGS_COUNT (256 * 8) - -/* - * Connection id valid bits - */ -#define HV_CONNECTION_ID_MASK 0x00ffffff - -/* - * Input structure for POST_MESSAGE hypercall - */ -struct hyperv_post_message_input { - uint32_t connection_id; - uint32_t _reserved; - uint32_t message_type; - uint32_t payload_size; - uint8_t payload[HV_MESSAGE_PAYLOAD_SIZE]; -}; - -/* - * Input structure for SIGNAL_EVENT hypercall - */ -struct hyperv_signal_event_input { - uint32_t connection_id; - uint16_t flag_number; - uint16_t _reserved_zero; -}; - -/* - * SynIC message structures - */ -struct hyperv_message_header { - uint32_t message_type; - uint8_t payload_size; - uint8_t message_flags; /* HV_MESSAGE_FLAG_XX */ - uint8_t _reserved[2]; - uint64_t sender; -}; - -struct hyperv_message { - struct hyperv_message_header header; - uint8_t payload[HV_MESSAGE_PAYLOAD_SIZE]; -}; - -struct hyperv_message_page { - struct hyperv_message slot[HV_SINT_COUNT]; -}; - -/* - * SynIC event flags structures - */ -struct hyperv_event_flags { - DECLARE_BITMAP(flags, HV_EVENT_FLAGS_COUNT); -}; - -struct hyperv_event_flags_page { - struct hyperv_event_flags slot[HV_SINT_COUNT]; -}; #endif diff --git a/target/i386/hyperv-stub.c b/target/i386/hyperv-stub.c new file mode 100644 index 0000000000..fe548cbae2 --- /dev/null +++ b/target/i386/hyperv-stub.c @@ -0,0 +1,48 @@ +/* + * Stubs for CONFIG_HYPERV=n + * + * Copyright (c) 2015-2018 Virtuozzo International GmbH. + * + * This work is licensed under the terms of the GNU GPL, version 2 or later. + * See the COPYING file in the top-level directory. + */ + +#include "qemu/osdep.h" +#include "hyperv.h" + +#ifdef CONFIG_KVM +int kvm_hv_handle_exit(X86CPU *cpu, struct kvm_hyperv_exit *exit) +{ + switch (exit->type) { + case KVM_EXIT_HYPERV_SYNIC: + if (!cpu->hyperv_synic) { + return -1; + } + + /* + * Tracking the changes in the MSRs is unnecessary as there are no + * users for them beside save/load, which is handled nicely by the + * generic MSR save/load code + */ + return 0; + case KVM_EXIT_HYPERV_HCALL: + exit->u.hcall.result = HV_STATUS_INVALID_HYPERCALL_CODE; + return 0; + default: + return -1; + } +} +#endif + +int hyperv_x86_synic_add(X86CPU *cpu) +{ + return -ENOSYS; +} + +void hyperv_x86_synic_reset(X86CPU *cpu) +{ +} + +void hyperv_x86_synic_update(X86CPU *cpu) +{ +} diff --git a/target/i386/hyperv.c b/target/i386/hyperv.c index 3065d765ed..b264a28620 100644 --- a/target/i386/hyperv.c +++ b/target/i386/hyperv.c @@ -14,16 +14,36 @@ #include "qemu/osdep.h" #include "qemu/main-loop.h" #include "hyperv.h" +#include "hw/hyperv/hyperv.h" #include "hyperv-proto.h" -uint32_t hyperv_vp_index(X86CPU *cpu) +int hyperv_x86_synic_add(X86CPU *cpu) { - return CPU(cpu)->cpu_index; + hyperv_synic_add(CPU(cpu)); + return 0; } -X86CPU *hyperv_find_vcpu(uint32_t vp_index) +void hyperv_x86_synic_reset(X86CPU *cpu) { - return X86_CPU(qemu_get_cpu(vp_index)); + hyperv_synic_reset(CPU(cpu)); +} + +void hyperv_x86_synic_update(X86CPU *cpu) +{ + CPUX86State *env = &cpu->env; + bool enable = env->msr_hv_synic_control & HV_SYNIC_ENABLE; + hwaddr msg_page_addr = (env->msr_hv_synic_msg_page & HV_SIMP_ENABLE) ? + (env->msr_hv_synic_msg_page & TARGET_PAGE_MASK) : 0; + hwaddr event_page_addr = (env->msr_hv_synic_evt_page & HV_SIEFP_ENABLE) ? + (env->msr_hv_synic_evt_page & TARGET_PAGE_MASK) : 0; + hyperv_synic_update(CPU(cpu), enable, msg_page_addr, event_page_addr); +} + +static void async_synic_update(CPUState *cs, run_on_cpu_data data) +{ + qemu_mutex_lock_iothread(); + hyperv_x86_synic_update(X86_CPU(cs)); + qemu_mutex_unlock_iothread(); } int kvm_hv_handle_exit(X86CPU *cpu, struct kvm_hyperv_exit *exit) @@ -36,11 +56,6 @@ int kvm_hv_handle_exit(X86CPU *cpu, struct kvm_hyperv_exit *exit) return -1; } - /* - * For now just track changes in SynIC control and msg/evt pages msr's. - * When SynIC messaging/events processing will be added in future - * here we will do messages queues flushing and pages remapping. - */ switch (exit->u.synic.msr) { case HV_X64_MSR_SCONTROL: env->msr_hv_synic_control = exit->u.synic.control; @@ -54,98 +69,33 @@ int kvm_hv_handle_exit(X86CPU *cpu, struct kvm_hyperv_exit *exit) default: return -1; } + + /* + * this will run in this cpu thread before it returns to KVM, but in a + * safe environment (i.e. when all cpus are quiescent) -- this is + * necessary because memory hierarchy is being changed + */ + async_safe_run_on_cpu(CPU(cpu), async_synic_update, RUN_ON_CPU_NULL); + return 0; case KVM_EXIT_HYPERV_HCALL: { - uint16_t code; + uint16_t code = exit->u.hcall.input & 0xffff; + bool fast = exit->u.hcall.input & HV_HYPERCALL_FAST; + uint64_t param = exit->u.hcall.params[0]; - code = exit->u.hcall.input & 0xffff; switch (code) { case HV_POST_MESSAGE: + exit->u.hcall.result = hyperv_hcall_post_message(param, fast); + break; case HV_SIGNAL_EVENT: + exit->u.hcall.result = hyperv_hcall_signal_event(param, fast); + break; default: exit->u.hcall.result = HV_STATUS_INVALID_HYPERCALL_CODE; - return 0; } + return 0; } default: return -1; } } - -static void kvm_hv_sint_ack_handler(EventNotifier *notifier) -{ - HvSintRoute *sint_route = container_of(notifier, HvSintRoute, - sint_ack_notifier); - event_notifier_test_and_clear(notifier); - if (sint_route->sint_ack_clb) { - sint_route->sint_ack_clb(sint_route); - } -} - -HvSintRoute *kvm_hv_sint_route_create(uint32_t vp_index, uint32_t sint, - HvSintAckClb sint_ack_clb) -{ - HvSintRoute *sint_route; - int r, gsi; - - sint_route = g_malloc0(sizeof(*sint_route)); - r = event_notifier_init(&sint_route->sint_set_notifier, false); - if (r) { - goto err; - } - - r = event_notifier_init(&sint_route->sint_ack_notifier, false); - if (r) { - goto err_sint_set_notifier; - } - - event_notifier_set_handler(&sint_route->sint_ack_notifier, - kvm_hv_sint_ack_handler); - - gsi = kvm_irqchip_add_hv_sint_route(kvm_state, vp_index, sint); - if (gsi < 0) { - goto err_gsi; - } - - r = kvm_irqchip_add_irqfd_notifier_gsi(kvm_state, - &sint_route->sint_set_notifier, - &sint_route->sint_ack_notifier, gsi); - if (r) { - goto err_irqfd; - } - sint_route->gsi = gsi; - sint_route->sint_ack_clb = sint_ack_clb; - sint_route->vp_index = vp_index; - sint_route->sint = sint; - - return sint_route; - -err_irqfd: - kvm_irqchip_release_virq(kvm_state, gsi); -err_gsi: - event_notifier_set_handler(&sint_route->sint_ack_notifier, NULL); - event_notifier_cleanup(&sint_route->sint_ack_notifier); -err_sint_set_notifier: - event_notifier_cleanup(&sint_route->sint_set_notifier); -err: - g_free(sint_route); - - return NULL; -} - -void kvm_hv_sint_route_destroy(HvSintRoute *sint_route) -{ - kvm_irqchip_remove_irqfd_notifier_gsi(kvm_state, - &sint_route->sint_set_notifier, - sint_route->gsi); - kvm_irqchip_release_virq(kvm_state, sint_route->gsi); - event_notifier_set_handler(&sint_route->sint_ack_notifier, NULL); - event_notifier_cleanup(&sint_route->sint_ack_notifier); - event_notifier_cleanup(&sint_route->sint_set_notifier); - g_free(sint_route); -} - -int kvm_hv_sint_route_set_sint(HvSintRoute *sint_route) -{ - return event_notifier_set(&sint_route->sint_set_notifier); -} diff --git a/target/i386/hyperv.h b/target/i386/hyperv.h index 00c9b454bb..67543296c3 100644 --- a/target/i386/hyperv.h +++ b/target/i386/hyperv.h @@ -16,30 +16,14 @@ #include "cpu.h" #include "sysemu/kvm.h" -#include "qemu/event_notifier.h" - -typedef struct HvSintRoute HvSintRoute; -typedef void (*HvSintAckClb)(HvSintRoute *sint_route); - -struct HvSintRoute { - uint32_t sint; - uint32_t vp_index; - int gsi; - EventNotifier sint_set_notifier; - EventNotifier sint_ack_notifier; - HvSintAckClb sint_ack_clb; -}; +#include "hw/hyperv/hyperv.h" +#ifdef CONFIG_KVM int kvm_hv_handle_exit(X86CPU *cpu, struct kvm_hyperv_exit *exit); +#endif -HvSintRoute *kvm_hv_sint_route_create(uint32_t vp_index, uint32_t sint, - HvSintAckClb sint_ack_clb); - -void kvm_hv_sint_route_destroy(HvSintRoute *sint_route); - -int kvm_hv_sint_route_set_sint(HvSintRoute *sint_route); - -uint32_t hyperv_vp_index(X86CPU *cpu); -X86CPU *hyperv_find_vcpu(uint32_t vp_index); +int hyperv_x86_synic_add(X86CPU *cpu); +void hyperv_x86_synic_reset(X86CPU *cpu); +void hyperv_x86_synic_update(X86CPU *cpu); #endif diff --git a/target/i386/kvm.c b/target/i386/kvm.c index dc4047b02f..115d8b4c14 100644 --- a/target/i386/kvm.c +++ b/target/i386/kvm.c @@ -608,7 +608,8 @@ static bool hyperv_enabled(X86CPU *cpu) cpu->hyperv_synic || cpu->hyperv_stimer || cpu->hyperv_reenlightenment || - cpu->hyperv_tlbflush); + cpu->hyperv_tlbflush || + cpu->hyperv_ipi); } static int kvm_arch_set_tsc_khz(CPUState *cs) @@ -733,9 +734,20 @@ static int hyperv_handle_properties(CPUState *cs) env->features[FEAT_HYPERV_EAX] |= HV_VP_RUNTIME_AVAILABLE; } if (cpu->hyperv_synic) { - if (!has_msr_hv_synic || - kvm_vcpu_enable_cap(cs, KVM_CAP_HYPERV_SYNIC, 0)) { - fprintf(stderr, "Hyper-V SynIC is not supported by kernel\n"); + unsigned int cap = KVM_CAP_HYPERV_SYNIC; + if (!cpu->hyperv_synic_kvm_only) { + if (!cpu->hyperv_vpindex) { + fprintf(stderr, "Hyper-V SynIC " + "(requested by 'hv-synic' cpu flag) " + "requires Hyper-V VP_INDEX ('hv-vpindex')\n"); + return -ENOSYS; + } + cap = KVM_CAP_HYPERV_SYNIC2; + } + + if (!has_msr_hv_synic || !kvm_check_extension(cs->kvm_state, cap)) { + fprintf(stderr, "Hyper-V SynIC (requested by 'hv-synic' cpu flag) " + "is not supported by kernel\n"); return -ENOSYS; } @@ -753,12 +765,14 @@ static int hyperv_handle_properties(CPUState *cs) static int hyperv_init_vcpu(X86CPU *cpu) { + CPUState *cs = CPU(cpu); + int ret; + if (cpu->hyperv_vpindex && !hv_vpindex_settable) { /* * the kernel doesn't support setting vp_index; assert that its value * is in sync */ - int ret; struct { struct kvm_msrs info; struct kvm_msr_entry entries[1]; @@ -767,18 +781,38 @@ static int hyperv_init_vcpu(X86CPU *cpu) .entries[0].index = HV_X64_MSR_VP_INDEX, }; - ret = kvm_vcpu_ioctl(CPU(cpu), KVM_GET_MSRS, &msr_data); + ret = kvm_vcpu_ioctl(cs, KVM_GET_MSRS, &msr_data); if (ret < 0) { return ret; } assert(ret == 1); - if (msr_data.entries[0].data != hyperv_vp_index(cpu)) { + if (msr_data.entries[0].data != hyperv_vp_index(CPU(cpu))) { error_report("kernel's vp_index != QEMU's vp_index"); return -ENXIO; } } + if (cpu->hyperv_synic) { + uint32_t synic_cap = cpu->hyperv_synic_kvm_only ? + KVM_CAP_HYPERV_SYNIC : KVM_CAP_HYPERV_SYNIC2; + ret = kvm_vcpu_enable_cap(cs, synic_cap, 0); + if (ret < 0) { + error_report("failed to turn on HyperV SynIC in KVM: %s", + strerror(-ret)); + return ret; + } + + if (!cpu->hyperv_synic_kvm_only) { + ret = hyperv_x86_synic_add(cpu); + if (ret < 0) { + error_report("failed to create HyperV SynIC: %s", + strerror(-ret)); + return ret; + } + } + } + return 0; } @@ -888,6 +922,17 @@ int kvm_arch_init_vcpu(CPUState *cs) c->eax |= HV_REMOTE_TLB_FLUSH_RECOMMENDED; c->eax |= HV_EX_PROCESSOR_MASKS_RECOMMENDED; } + if (cpu->hyperv_ipi) { + if (kvm_check_extension(cs->kvm_state, + KVM_CAP_HYPERV_SEND_IPI) <= 0) { + fprintf(stderr, "Hyper-V IPI send support " + "(requested by 'hv-ipi' cpu flag) " + " is not supported by kernel\n"); + return -ENOSYS; + } + c->eax |= HV_CLUSTER_IPI_RECOMMENDED; + c->eax |= HV_EX_PROCESSOR_MASKS_RECOMMENDED; + } c->ebx = cpu->hyperv_spinlock_attempts; @@ -1153,7 +1198,7 @@ int kvm_arch_init_vcpu(CPUState *cs) if (local_err) { error_report_err(local_err); error_free(invtsc_mig_blocker); - goto fail; + return r; } /* for savevm */ vmstate_x86_cpu.unmigratable = 1; @@ -1226,6 +1271,8 @@ void kvm_arch_reset_vcpu(X86CPU *cpu) for (i = 0; i < ARRAY_SIZE(env->msr_hv_synic_sint); i++) { env->msr_hv_synic_sint[i] = HV_SINT_MASKED; } + + hyperv_x86_synic_reset(cpu); } } @@ -1937,7 +1984,8 @@ static int kvm_put_msrs(X86CPU *cpu, int level) kvm_msr_entry_add(cpu, HV_X64_MSR_VP_RUNTIME, env->msr_hv_runtime); } if (cpu->hyperv_vpindex && hv_vpindex_settable) { - kvm_msr_entry_add(cpu, HV_X64_MSR_VP_INDEX, hyperv_vp_index(cpu)); + kvm_msr_entry_add(cpu, HV_X64_MSR_VP_INDEX, + hyperv_vp_index(CPU(cpu))); } if (cpu->hyperv_synic) { int j; @@ -2686,7 +2734,6 @@ static int kvm_put_vcpu_events(X86CPU *cpu, int level) events.exception.nr = env->exception_injected; events.exception.has_error_code = env->has_error_code; events.exception.error_code = env->error_code; - events.exception.pad = 0; events.interrupt.injected = (env->interrupt_injected >= 0); events.interrupt.nr = env->interrupt_injected; @@ -2695,7 +2742,6 @@ static int kvm_put_vcpu_events(X86CPU *cpu, int level) events.nmi.injected = env->nmi_injected; events.nmi.pending = env->nmi_pending; events.nmi.masked = !!(env->hflags2 & HF2_NMI_MASK); - events.nmi.pad = 0; events.sipi_vector = env->sipi_vector; events.flags = 0; diff --git a/target/i386/machine.c b/target/i386/machine.c index 084c2c73a8..225b5d433b 100644 --- a/target/i386/machine.c +++ b/target/i386/machine.c @@ -7,6 +7,7 @@ #include "hw/i386/pc.h" #include "hw/isa/isa.h" #include "migration/cpu.h" +#include "hyperv.h" #include "sysemu/kvm.h" @@ -672,11 +673,19 @@ static bool hyperv_synic_enable_needed(void *opaque) return false; } +static int hyperv_synic_post_load(void *opaque, int version_id) +{ + X86CPU *cpu = opaque; + hyperv_x86_synic_update(cpu); + return 0; +} + static const VMStateDescription vmstate_msr_hyperv_synic = { .name = "cpu/msr_hyperv_synic", .version_id = 1, .minimum_version_id = 1, .needed = hyperv_synic_enable_needed, + .post_load = hyperv_synic_post_load, .fields = (VMStateField[]) { VMSTATE_UINT64(env.msr_hv_synic_control, X86CPU), VMSTATE_UINT64(env.msr_hv_synic_evt_page, X86CPU), |