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/linux/tools/testing/selftests/kvm/x86_64/
H A Dhyperv_features.c37 static bool is_write_only_msr(uint32_t msr) in is_write_only_msr() argument
39 return msr == HV_X64_MSR_EOI; in is_write_only_msr()
42 static void guest_msr(struct msr_data *msr) in guest_msr() argument
47 GUEST_ASSERT(msr->idx); in guest_msr()
49 if (msr->write) in guest_msr()
50 vector = wrmsr_safe(msr->idx, msr->write_val); in guest_msr()
52 if (!vector && (!msr->write || !is_write_only_msr(msr->idx))) in guest_msr()
53 vector = rdmsr_safe(msr->idx, &msr_val); in guest_msr()
55 if (msr->fault_expected) in guest_msr()
58 msr->write ? "WR" : "RD", msr->idx, vector); in guest_msr()
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H A Duserspace_msr_exit_test.c80 static void deny_msr(uint8_t *bitmap, u32 msr) in deny_msr() argument
82 u32 idx = msr & (KVM_MSR_FILTER_MAX_BITMAP_SIZE - 1); in deny_msr()
145 static noinline uint64_t test_rdmsr(uint32_t msr) in test_rdmsr() argument
152 "=a"(a), "=d"(d) : "c"(msr) : "memory"); in test_rdmsr()
161 static noinline void test_wrmsr(uint32_t msr, uint64_t value) in test_wrmsr() argument
169 "a"(a), "d"(d), "c"(msr) : "memory"); in test_wrmsr()
179 static noinline uint64_t test_em_rdmsr(uint32_t msr) in test_em_rdmsr() argument
186 "=a"(a), "=d"(d) : "c"(msr) : "memory"); in test_em_rdmsr()
195 static noinline void test_em_wrmsr(uint32_t msr, uint64_t value) in test_em_wrmsr() argument
203 "a"(a), "d"(d), "c"(msr) : "memory"); in test_em_wrmsr()
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H A Dkvm_pv_test.c20 #define TEST_MSR(msr) { .idx = msr, .name = #msr } argument
22 #define PR_MSR(msr) ucall(UCALL_PR_MSR, 1, msr) argument
41 static void test_msr(struct msr_data *msr) in test_msr() argument
46 PR_MSR(msr); in test_msr()
48 vector = rdmsr_safe(msr->idx, &ignored); in test_msr()
51 vector = wrmsr_safe(msr->idx, 0); in test_msr()
100 struct msr_data *msr = (struct msr_data *)uc->args[0]; in pr_msr() local
102 pr_info("testing msr: %s (%#x)\n", msr->name, msr->idx); in pr_msr()
/linux/arch/x86/kernel/cpu/
H A Dperfctr-watchdog.c45 static inline unsigned int nmi_perfctr_msr_to_bit(unsigned int msr) in nmi_perfctr_msr_to_bit() argument
51 if (msr >= MSR_F15H_PERF_CTR) in nmi_perfctr_msr_to_bit()
52 return (msr - MSR_F15H_PERF_CTR) >> 1; in nmi_perfctr_msr_to_bit()
53 return msr - MSR_K7_PERFCTR0; in nmi_perfctr_msr_to_bit()
56 return msr - MSR_ARCH_PERFMON_PERFCTR0; in nmi_perfctr_msr_to_bit()
60 return msr - MSR_P6_PERFCTR0; in nmi_perfctr_msr_to_bit()
62 return msr - MSR_KNC_PERFCTR0; in nmi_perfctr_msr_to_bit()
64 return msr - MSR_P4_BPU_PERFCTR0; in nmi_perfctr_msr_to_bit()
69 return msr - MSR_ARCH_PERFMON_PERFCTR0; in nmi_perfctr_msr_to_bit()
78 static inline unsigned int nmi_evntsel_msr_to_bit(unsigned int msr) in nmi_evntsel_msr_to_bit() argument
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H A Dfeat_ctl.c119 u64 msr; in init_ia32_feat_ctl() local
121 if (rdmsrl_safe(MSR_IA32_FEAT_CTL, &msr)) { in init_ia32_feat_ctl()
141 if (msr & FEAT_CTL_LOCKED) in init_ia32_feat_ctl()
148 msr = FEAT_CTL_LOCKED; in init_ia32_feat_ctl()
156 msr |= FEAT_CTL_VMX_ENABLED_OUTSIDE_SMX; in init_ia32_feat_ctl()
159 msr |= FEAT_CTL_VMX_ENABLED_INSIDE_SMX; in init_ia32_feat_ctl()
163 msr |= FEAT_CTL_SGX_ENABLED; in init_ia32_feat_ctl()
165 msr |= FEAT_CTL_SGX_LC_ENABLED; in init_ia32_feat_ctl()
168 wrmsrl(MSR_IA32_FEAT_CTL, msr); in init_ia32_feat_ctl()
176 if ( (tboot && !(msr & FEAT_CTL_VMX_ENABLED_INSIDE_SMX)) || in init_ia32_feat_ctl()
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/linux/arch/x86/include/asm/
H A Dmsr.h19 struct msr reg;
20 struct msr __percpu *msrs;
66 extern void do_trace_write_msr(unsigned int msr, u64 val, int failed);
67 extern void do_trace_read_msr(unsigned int msr, u64 val, int failed);
68 extern void do_trace_rdpmc(unsigned int msr, u64 val, int failed);
70 static inline void do_trace_write_msr(unsigned int msr, u64 val, int failed) {} in do_trace_write_msr() argument
71 static inline void do_trace_read_msr(unsigned int msr, u64 val, int failed) {} in do_trace_read_msr() argument
72 static inline void do_trace_rdpmc(unsigned int msr, u64 val, int failed) {} in do_trace_rdpmc() argument
82 static __always_inline unsigned long long __rdmsr(unsigned int msr) in __rdmsr() argument
89 : EAX_EDX_RET(val, low, high) : "c" (msr)); in __rdmsr()
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H A Dmsr-trace.h3 #define TRACE_SYSTEM msr
6 #define TRACE_INCLUDE_FILE msr-trace
22 TP_PROTO(unsigned msr, u64 val, int failed),
23 TP_ARGS(msr, val, failed),
25 __field( unsigned, msr )
30 __entry->msr = msr;
35 __entry->msr,
41 TP_PROTO(unsigned msr, u64 val, int failed),
42 TP_ARGS(msr, val, failed)
46 TP_PROTO(unsigned msr, u64 val, int failed),
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/linux/arch/powerpc/kvm/
H A Dbook3s_hv_tm.c19 u64 msr = vcpu->arch.shregs.msr; in emulate_tx_failure() local
23 if (MSR_TM_SUSPENDED(vcpu->arch.shregs.msr)) in emulate_tx_failure()
25 if (msr & MSR_PR) { in emulate_tx_failure()
45 u64 msr = vcpu->arch.shregs.msr; in kvmhv_p9_tm_emulation() local
74 WARN_ON_ONCE(!(MSR_TM_SUSPENDED(msr) && in kvmhv_p9_tm_emulation()
78 vcpu->arch.shregs.msr = newmsr; in kvmhv_p9_tm_emulation()
84 if ((msr & MSR_PR) && (vcpu->arch.vcore->pcr & PCR_ARCH_206)) { in kvmhv_p9_tm_emulation()
96 if ((msr & MSR_PR) && !(vcpu->arch.fscr & FSCR_EBB)) { in kvmhv_p9_tm_emulation()
105 WARN_ON_ONCE(!(MSR_TM_SUSPENDED(msr) && in kvmhv_p9_tm_emulation()
111 msr = (msr & ~MSR_TS_MASK) | MSR_TS_T; in kvmhv_p9_tm_emulation()
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H A Dbook3s_hv_tm_builtin.c23 u64 newmsr, msr, bescr; in kvmhv_p9_tm_emulation_early() local
45 vcpu->arch.shregs.msr = newmsr; in kvmhv_p9_tm_emulation_early()
52 msr = vcpu->arch.shregs.msr; in kvmhv_p9_tm_emulation_early()
53 if ((msr & MSR_PR) && (vcpu->arch.vcore->pcr & PCR_ARCH_206)) in kvmhv_p9_tm_emulation_early()
57 ((msr & MSR_PR) && !(mfspr(SPRN_FSCR) & FSCR_EBB))) in kvmhv_p9_tm_emulation_early()
67 msr = (msr & ~MSR_TS_MASK) | MSR_TS_T; in kvmhv_p9_tm_emulation_early()
68 vcpu->arch.shregs.msr = msr; in kvmhv_p9_tm_emulation_early()
77 msr = vcpu->arch.shregs.msr; in kvmhv_p9_tm_emulation_early()
82 newmsr = (newmsr & ~MSR_LE) | (msr & MSR_LE); in kvmhv_p9_tm_emulation_early()
84 vcpu->arch.shregs.msr = newmsr; in kvmhv_p9_tm_emulation_early()
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/linux/arch/x86/lib/
H A Dmsr.c9 struct msr __percpu *msrs_alloc(void) in msrs_alloc()
11 struct msr __percpu *msrs = NULL; in msrs_alloc()
13 msrs = alloc_percpu(struct msr); in msrs_alloc()
23 void msrs_free(struct msr __percpu *msrs) in msrs_free()
39 static int msr_read(u32 msr, struct msr *m) in msr_read() argument
44 err = rdmsrl_safe(msr, &val); in msr_read()
59 static int msr_write(u32 msr, struct msr *m) in msr_write() argument
61 return wrmsrl_safe(msr, m->q); in msr_write()
64 static inline int __flip_bit(u32 msr, u8 bit, bool set) in __flip_bit() argument
66 struct msr m, m1; in __flip_bit()
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/linux/drivers/powercap/
H A Dintel_rapl_msr.c37 .reg_unit.msr = MSR_RAPL_POWER_UNIT,
38 .regs[RAPL_DOMAIN_PACKAGE][RAPL_DOMAIN_REG_LIMIT].msr = MSR_PKG_POWER_LIMIT,
39 .regs[RAPL_DOMAIN_PACKAGE][RAPL_DOMAIN_REG_STATUS].msr = MSR_PKG_ENERGY_STATUS,
40 .regs[RAPL_DOMAIN_PACKAGE][RAPL_DOMAIN_REG_PERF].msr = MSR_PKG_PERF_STATUS,
41 .regs[RAPL_DOMAIN_PACKAGE][RAPL_DOMAIN_REG_INFO].msr = MSR_PKG_POWER_INFO,
42 .regs[RAPL_DOMAIN_PP0][RAPL_DOMAIN_REG_LIMIT].msr = MSR_PP0_POWER_LIMIT,
43 .regs[RAPL_DOMAIN_PP0][RAPL_DOMAIN_REG_STATUS].msr = MSR_PP0_ENERGY_STATUS,
44 .regs[RAPL_DOMAIN_PP0][RAPL_DOMAIN_REG_POLICY].msr = MSR_PP0_POLICY,
45 .regs[RAPL_DOMAIN_PP1][RAPL_DOMAIN_REG_LIMIT].msr = MSR_PP1_POWER_LIMIT,
46 .regs[RAPL_DOMAIN_PP1][RAPL_DOMAIN_REG_STATUS].msr = MSR_PP1_ENERGY_STATUS,
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/linux/arch/m68k/bvme6000/
H A Dconfig.c166 unsigned char msr; in bvme6000_timer_int() local
169 msr = rtc->msr & 0xc0; in bvme6000_timer_int()
170 rtc->msr = msr | 0x20; /* Ack the interrupt */ in bvme6000_timer_int()
191 unsigned char msr = rtc->msr & 0xc0; in bvme6000_sched_init() local
193 rtc->msr = 0; /* Ensure timer registers accessible */ in bvme6000_sched_init()
203 rtc->msr = 0x40; /* Access int.cntrl, etc */ in bvme6000_sched_init()
208 rtc->msr = 0; /* Access timer 1 control */ in bvme6000_sched_init()
211 rtc->msr = msr; in bvme6000_sched_init()
233 unsigned char msr, msb; in bvme6000_read_clk() local
239 msr = rtc->msr & 0xc0; in bvme6000_read_clk()
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H A Drtc.c42 unsigned char msr; in rtc_ioctl() local
52 msr = rtc->msr & 0xc0; in rtc_ioctl()
53 rtc->msr = 0x40; in rtc_ioctl()
66 rtc->msr = msr; in rtc_ioctl()
108 msr = rtc->msr & 0xc0; in rtc_ioctl()
109 rtc->msr = 0x40; in rtc_ioctl()
123 rtc->msr = msr; in rtc_ioctl()
/linux/arch/x86/xen/
H A Dpmu.c131 static inline bool is_amd_pmu_msr(unsigned int msr) in is_amd_pmu_msr() argument
137 if ((msr >= MSR_F15H_PERF_CTL && in is_amd_pmu_msr()
138 msr < MSR_F15H_PERF_CTR + (amd_num_counters * 2)) || in is_amd_pmu_msr()
139 (msr >= MSR_K7_EVNTSEL0 && in is_amd_pmu_msr()
140 msr < MSR_K7_PERFCTR0 + amd_num_counters)) in is_amd_pmu_msr()
197 static bool xen_intel_pmu_emulate(unsigned int msr, u64 *val, int type, in xen_intel_pmu_emulate() argument
213 switch (msr) { in xen_intel_pmu_emulate()
251 if (msr == MSR_CORE_PERF_GLOBAL_OVF_CTRL) in xen_intel_pmu_emulate()
260 static bool xen_amd_pmu_emulate(unsigned int msr, u64 *val, bool is_read) in xen_amd_pmu_emulate() argument
273 ((msr >= MSR_K7_EVNTSEL0) && (msr <= MSR_K7_PERFCTR3))) in xen_amd_pmu_emulate()
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/linux/arch/x86/kvm/svm/
H A Dpmu.c38 static inline struct kvm_pmc *get_gp_pmc_amd(struct kvm_pmu *pmu, u32 msr, in get_gp_pmc_amd() argument
47 switch (msr) { in get_gp_pmc_amd()
55 idx = (unsigned int)((msr - MSR_F15H_PERF_CTL0) / 2); in get_gp_pmc_amd()
56 if (!(msr & 0x1) != (type == PMU_TYPE_EVNTSEL)) in get_gp_pmc_amd()
62 idx = msr - MSR_K7_EVNTSEL0; in get_gp_pmc_amd()
67 idx = msr - MSR_K7_PERFCTR0; in get_gp_pmc_amd()
93 static struct kvm_pmc *amd_msr_idx_to_pmc(struct kvm_vcpu *vcpu, u32 msr) in amd_msr_idx_to_pmc() argument
98 pmc = get_gp_pmc_amd(pmu, msr, PMU_TYPE_COUNTER); in amd_msr_idx_to_pmc()
99 pmc = pmc ? pmc : get_gp_pmc_amd(pmu, msr, PMU_TYPE_EVNTSEL); in amd_msr_idx_to_pmc()
104 static bool amd_is_valid_msr(struct kvm_vcpu *vcpu, u32 msr) in amd_is_valid_msr() argument
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/linux/arch/microblaze/kernel/
H A Dprocess.c45 regs->msr, regs->ear, regs->esr, regs->fsr); in show_regs()
72 local_save_flags(childregs->msr); in copy_thread()
73 ti->cpu_context.msr = childregs->msr & ~MSR_IE; in copy_thread()
83 childregs->msr |= MSR_UMS; in copy_thread()
95 childregs->msr &= ~MSR_EIP; in copy_thread()
96 childregs->msr |= MSR_IE; in copy_thread()
97 childregs->msr &= ~MSR_VM; in copy_thread()
98 childregs->msr |= MSR_VMS; in copy_thread()
99 childregs->msr |= MSR_EE; /* exceptions will be enabled*/ in copy_thread()
101 ti->cpu_context.msr = (childregs->msr|MSR_VM); in copy_thread()
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/linux/arch/powerpc/kernel/
H A Dsignal_64.c130 unsigned long msr = regs->msr; in __unsafe_setup_sigcontext() local
147 msr |= MSR_VEC; in __unsafe_setup_sigcontext()
163 msr &= ~MSR_VSX; in __unsafe_setup_sigcontext()
176 msr |= MSR_VSX; in __unsafe_setup_sigcontext()
181 unsafe_put_user(msr, &sc->gp_regs[PT_MSR], efault_out); in __unsafe_setup_sigcontext()
210 unsigned long msr) in setup_tm_sigcontexts() argument
229 BUG_ON(!MSR_TM_ACTIVE(msr)); in setup_tm_sigcontexts()
237 msr |= tsk->thread.ckpt_regs.msr & (MSR_FP | MSR_VEC | MSR_VSX); in setup_tm_sigcontexts()
251 if (msr & MSR_VEC) in setup_tm_sigcontexts()
263 msr |= MSR_VEC; in setup_tm_sigcontexts()
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H A Dsignal_32.c271 unsigned long msr = regs->msr; in __unsafe_save_user_regs() local
283 msr |= MSR_VEC; in __unsafe_save_user_regs()
302 msr &= ~MSR_VSX; in __unsafe_save_user_regs()
312 msr |= MSR_VSX; in __unsafe_save_user_regs()
322 msr |= MSR_SPE; in __unsafe_save_user_regs()
331 unsafe_put_user(msr, &frame->mc_gregs[PT_MSR], failed); in __unsafe_save_user_regs()
370 struct mcontext __user *tm_frame, unsigned long msr) in save_tm_user_regs_unsafe() argument
382 unsafe_put_user((msr >> 32), &tm_frame->mc_gregs[PT_MSR], failed); in save_tm_user_regs_unsafe()
388 if (msr & MSR_VEC) in save_tm_user_regs_unsafe()
400 msr |= MSR_VEC; in save_tm_user_regs_unsafe()
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H A Dcpu_setup_power.c19 u64 msr; in init_hvmode_206() local
21 msr = mfmsr(); in init_hvmode_206()
22 if (msr & MSR_HV) in init_hvmode_206()
153 u64 msr; in __restore_cpu_power7() local
155 msr = mfmsr(); in __restore_cpu_power7()
156 if (!(msr & MSR_HV)) in __restore_cpu_power7()
185 u64 msr; in __restore_cpu_power8() local
191 msr = mfmsr(); in __restore_cpu_power8()
192 if (!(msr & MSR_HV)) in __restore_cpu_power8()
225 u64 msr; in __restore_cpu_power9() local
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/linux/arch/x86/events/
H A Dprobe.c19 perf_msr_probe(struct perf_msr *msr, int cnt, bool zero, void *data) in perf_msr_probe() argument
29 if (!msr[bit].no_check) { in perf_msr_probe()
30 struct attribute_group *grp = msr[bit].grp; in perf_msr_probe()
40 if (!msr[bit].msr) in perf_msr_probe()
43 if (msr[bit].test && !msr[bit].test(bit, data)) in perf_msr_probe()
46 if (rdmsrl_safe(msr[bit].msr, &val)) in perf_msr_probe()
49 mask = msr[bit].mask; in perf_msr_probe()
/linux/arch/arm64/kvm/hyp/nvhe/
H A Dhyp-init.S96 msr mair_el2, x1
99 msr hcr_el2, x1
108 msr tpidr_el2, x0
118 msr tpidr_el2, x1
121 msr vttbr_el2, x1
124 msr vtcr_el2, x1
131 msr ttbr0_el2, x2
134 msr tcr_el2, x0
156 msr sctlr_el2, x0
161 msr vbar_el2, x0
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/linux/tools/power/x86/turbostat/
H A Dturbostat.c390 int get_msr(int cpu, off_t offset, unsigned long long *msr);
445 unsigned long long msr = 3; in slm_bclk() local
449 if (get_msr(base_cpu, MSR_FSB_FREQ, &msr)) in slm_bclk()
452 i = msr & 0xf; in slm_bclk()
1134 unsigned long long msr[NUM_RAPL_COUNTERS]; member
1152 unsigned long long msr; member
1167 .msr = MSR_PKG_ENERGY_STATUS,
1180 .msr = MSR_PKG_ENERGY_STAT,
1193 .msr = MSR_PP0_ENERGY_STATUS,
1206 .msr = MSR_DRAM_ENERGY_STATUS,
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/linux/tools/power/x86/x86_energy_perf_policy/
H A Dx86_energy_perf_policy.c680 int get_msr(int cpu, int offset, unsigned long long *msr) in get_msr() argument
691 retval = pread(fd, msr, sizeof(*msr), offset); in get_msr()
692 if (retval != sizeof(*msr)) { in get_msr()
698 fprintf(stderr, "get_msr(cpu%d, 0x%X, 0x%llX)\n", cpu, offset, *msr); in get_msr()
779 unsigned long long msr; in read_hwp_cap() local
781 get_msr(cpu, msr_offset, &msr); in read_hwp_cap()
783 cap->highest = msr_perf_2_ratio(HWP_HIGHEST_PERF(msr)); in read_hwp_cap()
784 cap->guaranteed = msr_perf_2_ratio(HWP_GUARANTEED_PERF(msr)); in read_hwp_cap()
785 cap->efficient = msr_perf_2_ratio(HWP_MOSTEFFICIENT_PERF(msr)); in read_hwp_cap()
786 cap->lowest = msr_perf_2_ratio(HWP_LOWEST_PERF(msr)); in read_hwp_cap()
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/linux/arch/arm64/kernel/
H A Dhyp-stub.S51 msr vbar_el2, x1
100 msr hcr_el2, x0
107 msr tpidr_el2, x0
111 msr cpacr_el1, x0
113 msr vbar_el1, x0
119 msr mdcr_el2, x0
123 msr tcr_el1, x0
125 msr ttbr0_el1, x0
127 msr ttbr1_el1, x0
129 msr mair_el1, x0
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/linux/arch/powerpc/kernel/ptrace/
H A Dptrace-tm.c34 return task->thread.ckpt_regs.msr | task->thread.fpexc_mode; in get_user_ckpt_msr()
37 static int set_user_ckpt_msr(struct task_struct *task, unsigned long msr) in set_user_ckpt_msr() argument
39 task->thread.ckpt_regs.msr &= ~MSR_DEBUGCHANGE; in set_user_ckpt_msr()
40 task->thread.ckpt_regs.msr |= msr & MSR_DEBUGCHANGE; in set_user_ckpt_msr()
63 if (!MSR_TM_ACTIVE(target->thread.regs->msr)) in tm_cgpr_active()
89 struct membuf to_msr = membuf_at(&to, offsetof(struct pt_regs, msr)); in tm_cgpr_get()
97 if (!MSR_TM_ACTIVE(target->thread.regs->msr)) in tm_cgpr_get()
144 if (!MSR_TM_ACTIVE(target->thread.regs->msr)) in tm_cgpr_set()
164 offsetof(struct pt_regs, msr) + sizeof(long)); in tm_cgpr_set()
205 if (!MSR_TM_ACTIVE(target->thread.regs->msr)) in tm_cfpr_active()
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