X-Git-Url: https://gerrit.opnfv.org/gerrit/gitweb?a=blobdiff_plain;f=qemu%2Ftarget-i386%2Fmachine.c;h=ee5b94922b036cc28705f416fe12088952723e32;hb=a14b48d18a9ed03ec191cf16b162206998a895ce;hp=a0df64b5772002917bb7291c3bb4a756dfd11a0a;hpb=e44e3482bdb4d0ebde2d8b41830ac2cdb07948fb;p=kvmfornfv.git diff --git a/qemu/target-i386/machine.c b/qemu/target-i386/machine.c index a0df64b57..ee5b94922 100644 --- a/qemu/target-i386/machine.c +++ b/qemu/target-i386/machine.c @@ -1,3 +1,4 @@ +#include "qemu/osdep.h" #include "hw/hw.h" #include "hw/boards.h" #include "hw/i386/pc.h" @@ -6,6 +7,8 @@ #include "cpu.h" #include "sysemu/kvm.h" +#include "qemu/error-report.h" + static const VMStateDescription vmstate_segment = { .name = "segment", .version_id = 1, @@ -36,15 +39,15 @@ static const VMStateDescription vmstate_xmm_reg = { .version_id = 1, .minimum_version_id = 1, .fields = (VMStateField[]) { - VMSTATE_UINT64(XMM_Q(0), XMMReg), - VMSTATE_UINT64(XMM_Q(1), XMMReg), + VMSTATE_UINT64(ZMM_Q(0), ZMMReg), + VMSTATE_UINT64(ZMM_Q(1), ZMMReg), VMSTATE_END_OF_LIST() } }; #define VMSTATE_XMM_REGS(_field, _state, _start) \ VMSTATE_STRUCT_SUB_ARRAY(_field, _state, _start, CPU_NB_REGS, 0, \ - vmstate_xmm_reg, XMMReg) + vmstate_xmm_reg, ZMMReg) /* YMMH format is the same as XMM, but for bits 128-255 */ static const VMStateDescription vmstate_ymmh_reg = { @@ -52,32 +55,32 @@ static const VMStateDescription vmstate_ymmh_reg = { .version_id = 1, .minimum_version_id = 1, .fields = (VMStateField[]) { - VMSTATE_UINT64(XMM_Q(2), XMMReg), - VMSTATE_UINT64(XMM_Q(3), XMMReg), + VMSTATE_UINT64(ZMM_Q(2), ZMMReg), + VMSTATE_UINT64(ZMM_Q(3), ZMMReg), VMSTATE_END_OF_LIST() } }; #define VMSTATE_YMMH_REGS_VARS(_field, _state, _start, _v) \ VMSTATE_STRUCT_SUB_ARRAY(_field, _state, _start, CPU_NB_REGS, _v, \ - vmstate_ymmh_reg, XMMReg) + vmstate_ymmh_reg, ZMMReg) static const VMStateDescription vmstate_zmmh_reg = { .name = "zmmh_reg", .version_id = 1, .minimum_version_id = 1, .fields = (VMStateField[]) { - VMSTATE_UINT64(XMM_Q(4), XMMReg), - VMSTATE_UINT64(XMM_Q(5), XMMReg), - VMSTATE_UINT64(XMM_Q(6), XMMReg), - VMSTATE_UINT64(XMM_Q(7), XMMReg), + VMSTATE_UINT64(ZMM_Q(4), ZMMReg), + VMSTATE_UINT64(ZMM_Q(5), ZMMReg), + VMSTATE_UINT64(ZMM_Q(6), ZMMReg), + VMSTATE_UINT64(ZMM_Q(7), ZMMReg), VMSTATE_END_OF_LIST() } }; #define VMSTATE_ZMMH_REGS_VARS(_field, _state, _start) \ VMSTATE_STRUCT_SUB_ARRAY(_field, _state, _start, CPU_NB_REGS, 0, \ - vmstate_zmmh_reg, XMMReg) + vmstate_zmmh_reg, ZMMReg) #ifdef TARGET_X86_64 static const VMStateDescription vmstate_hi16_zmm_reg = { @@ -85,21 +88,21 @@ static const VMStateDescription vmstate_hi16_zmm_reg = { .version_id = 1, .minimum_version_id = 1, .fields = (VMStateField[]) { - VMSTATE_UINT64(XMM_Q(0), XMMReg), - VMSTATE_UINT64(XMM_Q(1), XMMReg), - VMSTATE_UINT64(XMM_Q(2), XMMReg), - VMSTATE_UINT64(XMM_Q(3), XMMReg), - VMSTATE_UINT64(XMM_Q(4), XMMReg), - VMSTATE_UINT64(XMM_Q(5), XMMReg), - VMSTATE_UINT64(XMM_Q(6), XMMReg), - VMSTATE_UINT64(XMM_Q(7), XMMReg), + VMSTATE_UINT64(ZMM_Q(0), ZMMReg), + VMSTATE_UINT64(ZMM_Q(1), ZMMReg), + VMSTATE_UINT64(ZMM_Q(2), ZMMReg), + VMSTATE_UINT64(ZMM_Q(3), ZMMReg), + VMSTATE_UINT64(ZMM_Q(4), ZMMReg), + VMSTATE_UINT64(ZMM_Q(5), ZMMReg), + VMSTATE_UINT64(ZMM_Q(6), ZMMReg), + VMSTATE_UINT64(ZMM_Q(7), ZMMReg), VMSTATE_END_OF_LIST() } }; #define VMSTATE_Hi16_ZMM_REGS_VARS(_field, _state, _start) \ VMSTATE_STRUCT_SUB_ARRAY(_field, _state, _start, CPU_NB_REGS, 0, \ - vmstate_hi16_zmm_reg, XMMReg) + vmstate_hi16_zmm_reg, ZMMReg) #endif static const VMStateDescription vmstate_bnd_regs = { @@ -331,6 +334,13 @@ static int cpu_post_load(void *opaque, int version_id) CPUX86State *env = &cpu->env; int i; + if (env->tsc_khz && env->user_tsc_khz && + env->tsc_khz != env->user_tsc_khz) { + error_report("Mismatch between user-specified TSC frequency and " + "migrated TSC frequency"); + return -EINVAL; + } + /* * Real mode guest segments register DPL should be zero. * Older KVM version were setting it wrongly. @@ -367,8 +377,12 @@ static int cpu_post_load(void *opaque, int version_id) cpu_breakpoint_remove_all(cs, BP_CPU); cpu_watchpoint_remove_all(cs, BP_CPU); - for (i = 0; i < DR7_MAX_BP; i++) { - hw_breakpoint_insert(env, i); + { + /* Indicate all breakpoints disabled, as they are, then + let the helper re-enable them. */ + target_ulong dr7 = env->dr[7]; + env->dr[7] = dr7 & ~(DR7_GLOBAL_BP_MASK | DR7_LOCAL_BP_MASK); + cpu_x86_update_dr7(env, dr7); } tlb_flush(cs, 1); @@ -661,6 +675,115 @@ static const VMStateDescription vmstate_msr_hyperv_time = { } }; +static bool hyperv_crash_enable_needed(void *opaque) +{ + X86CPU *cpu = opaque; + CPUX86State *env = &cpu->env; + int i; + + for (i = 0; i < HV_X64_MSR_CRASH_PARAMS; i++) { + if (env->msr_hv_crash_params[i]) { + return true; + } + } + return false; +} + +static const VMStateDescription vmstate_msr_hyperv_crash = { + .name = "cpu/msr_hyperv_crash", + .version_id = 1, + .minimum_version_id = 1, + .needed = hyperv_crash_enable_needed, + .fields = (VMStateField[]) { + VMSTATE_UINT64_ARRAY(env.msr_hv_crash_params, + X86CPU, HV_X64_MSR_CRASH_PARAMS), + VMSTATE_END_OF_LIST() + } +}; + +static bool hyperv_runtime_enable_needed(void *opaque) +{ + X86CPU *cpu = opaque; + CPUX86State *env = &cpu->env; + + return env->msr_hv_runtime != 0; +} + +static const VMStateDescription vmstate_msr_hyperv_runtime = { + .name = "cpu/msr_hyperv_runtime", + .version_id = 1, + .minimum_version_id = 1, + .needed = hyperv_runtime_enable_needed, + .fields = (VMStateField[]) { + VMSTATE_UINT64(env.msr_hv_runtime, X86CPU), + VMSTATE_END_OF_LIST() + } +}; + +static bool hyperv_synic_enable_needed(void *opaque) +{ + X86CPU *cpu = opaque; + CPUX86State *env = &cpu->env; + int i; + + if (env->msr_hv_synic_control != 0 || + env->msr_hv_synic_evt_page != 0 || + env->msr_hv_synic_msg_page != 0) { + return true; + } + + for (i = 0; i < ARRAY_SIZE(env->msr_hv_synic_sint); i++) { + if (env->msr_hv_synic_sint[i] != 0) { + return true; + } + } + + return false; +} + +static const VMStateDescription vmstate_msr_hyperv_synic = { + .name = "cpu/msr_hyperv_synic", + .version_id = 1, + .minimum_version_id = 1, + .needed = hyperv_synic_enable_needed, + .fields = (VMStateField[]) { + VMSTATE_UINT64(env.msr_hv_synic_control, X86CPU), + VMSTATE_UINT64(env.msr_hv_synic_evt_page, X86CPU), + VMSTATE_UINT64(env.msr_hv_synic_msg_page, X86CPU), + VMSTATE_UINT64_ARRAY(env.msr_hv_synic_sint, X86CPU, + HV_SYNIC_SINT_COUNT), + VMSTATE_END_OF_LIST() + } +}; + +static bool hyperv_stimer_enable_needed(void *opaque) +{ + X86CPU *cpu = opaque; + CPUX86State *env = &cpu->env; + int i; + + for (i = 0; i < ARRAY_SIZE(env->msr_hv_stimer_config); i++) { + if (env->msr_hv_stimer_config[i] || env->msr_hv_stimer_count[i]) { + return true; + } + } + return false; +} + +static const VMStateDescription vmstate_msr_hyperv_stimer = { + .name = "cpu/msr_hyperv_stimer", + .version_id = 1, + .minimum_version_id = 1, + .needed = hyperv_stimer_enable_needed, + .fields = (VMStateField[]) { + VMSTATE_UINT64_ARRAY(env.msr_hv_stimer_config, + X86CPU, HV_SYNIC_STIMER_COUNT), + VMSTATE_UINT64_ARRAY(env.msr_hv_stimer_count, + X86CPU, HV_SYNIC_STIMER_COUNT), + VMSTATE_END_OF_LIST() + } +}; + static bool avx512_needed(void *opaque) { X86CPU *cpu = opaque; @@ -674,7 +797,7 @@ static bool avx512_needed(void *opaque) } for (i = 0; i < CPU_NB_REGS; i++) { -#define ENV_XMM(reg, field) (env->xmm_regs[reg].XMM_Q(field)) +#define ENV_XMM(reg, field) (env->xmm_regs[reg].ZMM_Q(field)) if (ENV_XMM(i, 4) || ENV_XMM(i, 6) || ENV_XMM(i, 5) || ENV_XMM(i, 7)) { return true; @@ -726,6 +849,47 @@ static const VMStateDescription vmstate_xss = { } }; +#ifdef TARGET_X86_64 +static bool pkru_needed(void *opaque) +{ + X86CPU *cpu = opaque; + CPUX86State *env = &cpu->env; + + return env->pkru != 0; +} + +static const VMStateDescription vmstate_pkru = { + .name = "cpu/pkru", + .version_id = 1, + .minimum_version_id = 1, + .needed = pkru_needed, + .fields = (VMStateField[]){ + VMSTATE_UINT32(env.pkru, X86CPU), + VMSTATE_END_OF_LIST() + } +}; +#endif + +static bool tsc_khz_needed(void *opaque) +{ + X86CPU *cpu = opaque; + CPUX86State *env = &cpu->env; + MachineClass *mc = MACHINE_GET_CLASS(qdev_get_machine()); + PCMachineClass *pcmc = PC_MACHINE_CLASS(mc); + return env->tsc_khz && pcmc->save_tsc_khz; +} + +static const VMStateDescription vmstate_tsc_khz = { + .name = "cpu/tsc_khz", + .version_id = 1, + .minimum_version_id = 1, + .needed = tsc_khz_needed, + .fields = (VMStateField[]) { + VMSTATE_INT64(env.tsc_khz, X86CPU), + VMSTATE_END_OF_LIST() + } +}; + VMStateDescription vmstate_x86_cpu = { .name = "cpu", .version_id = 12, @@ -842,8 +1006,16 @@ VMStateDescription vmstate_x86_cpu = { &vmstate_msr_hypercall_hypercall, &vmstate_msr_hyperv_vapic, &vmstate_msr_hyperv_time, + &vmstate_msr_hyperv_crash, + &vmstate_msr_hyperv_runtime, + &vmstate_msr_hyperv_synic, + &vmstate_msr_hyperv_stimer, &vmstate_avx512, &vmstate_xss, + &vmstate_tsc_khz, +#ifdef TARGET_X86_64 + &vmstate_pkru, +#endif NULL } };