| /Linux-v5.15/tools/testing/selftests/kvm/x86_64/ |
| D | hyperv_features.c | 103 static void guest_msr(struct msr_data *msr) in guest_msr() argument
107 while (msr->idx) { in guest_msr()
109 if (!msr->write) in guest_msr()
110 do_rdmsr(msr->idx); in guest_msr()
112 do_wrmsr(msr->idx, msr->write_val); in guest_msr()
114 if (msr->available) in guest_msr()
168 static void guest_test_msrs_access(struct kvm_vm *vm, struct msr_data *msr, in guest_test_msrs_access() argument
193 msr->idx = HV_X64_MSR_GUEST_OS_ID; in guest_test_msrs_access()
194 msr->write = 0; in guest_test_msrs_access()
195 msr->available = 0; in guest_test_msrs_access()
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| D | userspace_msr_exit_test.c | 87 static void deny_msr(uint8_t *bitmap, u32 msr) in deny_msr() argument
89 u32 idx = msr & (KVM_MSR_FILTER_MAX_BITMAP_SIZE - 1); in deny_msr()
152 static noinline uint64_t test_rdmsr(uint32_t msr) in test_rdmsr() argument
159 "=a"(a), "=d"(d) : "c"(msr) : "memory"); in test_rdmsr()
168 static noinline void test_wrmsr(uint32_t msr, uint64_t value) in test_wrmsr() argument
176 "a"(a), "d"(d), "c"(msr) : "memory"); in test_wrmsr()
186 static noinline uint64_t test_em_rdmsr(uint32_t msr) in test_em_rdmsr() argument
193 "=a"(a), "=d"(d) : "c"(msr) : "memory"); in test_em_rdmsr()
202 static noinline void test_em_wrmsr(uint32_t msr, uint64_t value) in test_em_wrmsr() argument
210 "a"(a), "d"(d), "c"(msr) : "memory"); in test_em_wrmsr()
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| D | kvm_pv_test.c | 69 #define TEST_MSR(msr) { .idx = msr, .name = #msr } argument
71 #define PR_MSR(msr) ucall(UCALL_PR_MSR, 1, msr) argument
90 static void test_msr(struct msr_data *msr) in test_msr() argument
92 PR_MSR(msr); in test_msr()
93 do_rdmsr(msr->idx); in test_msr()
97 do_wrmsr(msr->idx, 0); in test_msr()
156 struct msr_data *msr = (struct msr_data *)uc->args[0]; in pr_msr() local
158 pr_info("testing msr: %s (%#x)\n", msr->name, msr->idx); in pr_msr()
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| /Linux-v5.15/arch/x86/kernel/cpu/ |
| D | perfctr-watchdog.c | 45 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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| D | feat_ctl.c | 110 u64 msr; in init_ia32_feat_ctl() local
112 if (rdmsrl_safe(MSR_IA32_FEAT_CTL, &msr)) { in init_ia32_feat_ctl()
132 if (msr & FEAT_CTL_LOCKED) in init_ia32_feat_ctl()
139 msr = FEAT_CTL_LOCKED; in init_ia32_feat_ctl()
147 msr |= FEAT_CTL_VMX_ENABLED_OUTSIDE_SMX; in init_ia32_feat_ctl()
150 msr |= FEAT_CTL_VMX_ENABLED_INSIDE_SMX; in init_ia32_feat_ctl()
154 msr |= FEAT_CTL_SGX_ENABLED; in init_ia32_feat_ctl()
156 msr |= FEAT_CTL_SGX_LC_ENABLED; in init_ia32_feat_ctl()
159 wrmsrl(MSR_IA32_FEAT_CTL, msr); in init_ia32_feat_ctl()
167 if ( (tboot && !(msr & FEAT_CTL_VMX_ENABLED_INSIDE_SMX)) || in init_ia32_feat_ctl()
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| /Linux-v5.15/arch/x86/include/asm/ |
| D | msr.h | 14 struct msr { struct
26 struct msr reg; argument
27 struct msr *msrs;
73 extern void do_trace_write_msr(unsigned int msr, u64 val, int failed);
74 extern void do_trace_read_msr(unsigned int msr, u64 val, int failed);
75 extern void do_trace_rdpmc(unsigned int msr, u64 val, int failed);
77 static inline void do_trace_write_msr(unsigned int msr, u64 val, int failed) {} in do_trace_write_msr() argument
78 static inline void do_trace_read_msr(unsigned int msr, u64 val, int failed) {} in do_trace_read_msr() argument
79 static inline void do_trace_rdpmc(unsigned int msr, u64 val, int failed) {} in do_trace_rdpmc() argument
89 static __always_inline unsigned long long __rdmsr(unsigned int msr) in __rdmsr() argument
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| D | msr-trace.h | 3 #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-v5.15/arch/x86/lib/ |
| D | msr.c | 9 struct msr *msrs_alloc(void) in msrs_alloc()
11 struct msr *msrs = NULL; in msrs_alloc()
13 msrs = alloc_percpu(struct msr); in msrs_alloc()
23 void msrs_free(struct msr *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()
57 static int msr_write(u32 msr, struct msr *m) in msr_write() argument
59 return wrmsrl_safe(msr, m->q); in msr_write()
62 static inline int __flip_bit(u32 msr, u8 bit, bool set) in __flip_bit() argument
64 struct msr m, m1; in __flip_bit()
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| /Linux-v5.15/arch/powerpc/kvm/ |
| D | book3s_hv_tm.c | 19 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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| D | book3s_hv_tm_builtin.c | 23 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-v5.15/arch/m68k/bvme6000/ |
| D | config.c | 169 unsigned char msr; in bvme6000_timer_int() local
172 msr = rtc->msr & 0xc0; in bvme6000_timer_int()
173 rtc->msr = msr | 0x20; /* Ack the interrupt */ in bvme6000_timer_int()
194 unsigned char msr = rtc->msr & 0xc0; in bvme6000_sched_init() local
196 rtc->msr = 0; /* Ensure timer registers accessible */ in bvme6000_sched_init()
206 rtc->msr = 0x40; /* Access int.cntrl, etc */ in bvme6000_sched_init()
211 rtc->msr = 0; /* Access timer 1 control */ in bvme6000_sched_init()
214 rtc->msr = msr; in bvme6000_sched_init()
236 unsigned char msr, msb; in bvme6000_read_clk() local
242 msr = rtc->msr & 0xc0; in bvme6000_read_clk()
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| D | rtc.c | 42 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()
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| /Linux-v5.15/tools/power/x86/turbostat/ |
| D | turbostat.c | 291 int get_msr_sum(int cpu, off_t offset, unsigned long long *msr);
541 int get_msr(int cpu, off_t offset, unsigned long long *msr) in get_msr() argument
545 retval = pread(get_msr_fd(cpu), msr, sizeof(*msr), offset); in get_msr()
547 if (retval != sizeof *msr) in get_msr()
1918 unsigned long long msr; in get_epb() local
1937 get_msr(cpu, MSR_IA32_ENERGY_PERF_BIAS, &msr); in get_epb()
1939 return msr & 0xf; in get_epb()
1998 unsigned long long msr; in get_counters() local
2077 if (get_msr(cpu, MSR_SMI_COUNT, &msr)) in get_counters()
2079 t->smi_count = msr & 0xFFFFFFFF; in get_counters()
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| /Linux-v5.15/arch/x86/kvm/ |
| D | mtrr.c | 27 static bool msr_mtrr_valid(unsigned msr) in msr_mtrr_valid() argument
29 switch (msr) { in msr_mtrr_valid()
54 bool kvm_mtrr_valid(struct kvm_vcpu *vcpu, u32 msr, u64 data) in kvm_mtrr_valid() argument
59 if (!msr_mtrr_valid(msr)) in kvm_mtrr_valid()
62 if (msr == MSR_IA32_CR_PAT) { in kvm_mtrr_valid()
64 } else if (msr == MSR_MTRRdefType) { in kvm_mtrr_valid()
68 } else if (msr >= MSR_MTRRfix64K_00000 && msr <= MSR_MTRRfix4K_F8000) { in kvm_mtrr_valid()
76 WARN_ON(!(msr >= 0x200 && msr < 0x200 + 2 * KVM_NR_VAR_MTRR)); in kvm_mtrr_valid()
79 if ((msr & 1) == 0) { in kvm_mtrr_valid()
182 static bool fixed_msr_to_seg_unit(u32 msr, int *seg, int *unit) in fixed_msr_to_seg_unit() argument
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| /Linux-v5.15/arch/x86/xen/ |
| D | pmu.c | 132 static inline bool is_amd_pmu_msr(unsigned int msr) in is_amd_pmu_msr() argument
134 if ((msr >= MSR_F15H_PERF_CTL && in is_amd_pmu_msr()
135 msr < MSR_F15H_PERF_CTR + (amd_num_counters * 2)) || in is_amd_pmu_msr()
136 (msr >= MSR_K7_EVNTSEL0 && in is_amd_pmu_msr()
137 msr < MSR_K7_PERFCTR0 + amd_num_counters)) in is_amd_pmu_msr()
189 static bool xen_intel_pmu_emulate(unsigned int msr, u64 *val, int type, in xen_intel_pmu_emulate() argument
205 switch (msr) { in xen_intel_pmu_emulate()
243 if (msr == MSR_CORE_PERF_GLOBAL_OVF_CTRL) in xen_intel_pmu_emulate()
252 static bool xen_amd_pmu_emulate(unsigned int msr, u64 *val, bool is_read) in xen_amd_pmu_emulate() argument
265 ((msr >= MSR_K7_EVNTSEL0) && (msr <= MSR_K7_PERFCTR3))) in xen_amd_pmu_emulate()
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| /Linux-v5.15/arch/microblaze/kernel/ |
| D | process.c | 46 regs->msr, regs->ear, regs->esr, regs->fsr); in show_regs()
71 local_save_flags(childregs->msr); in copy_thread()
72 ti->cpu_context.msr = childregs->msr & ~MSR_IE; in copy_thread()
82 childregs->msr |= MSR_UMS; in copy_thread()
94 childregs->msr &= ~MSR_EIP; in copy_thread()
95 childregs->msr |= MSR_IE; in copy_thread()
96 childregs->msr &= ~MSR_VM; in copy_thread()
97 childregs->msr |= MSR_VMS; in copy_thread()
98 childregs->msr |= MSR_EE; /* exceptions will be enabled*/ in copy_thread()
100 ti->cpu_context.msr = (childregs->msr|MSR_VM); in copy_thread()
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| /Linux-v5.15/arch/x86/events/ |
| D | probe.c | 19 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()
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| /Linux-v5.15/arch/powerpc/kernel/ |
| D | signal_64.c | 125 unsigned long msr = regs->msr; in __unsafe_setup_sigcontext() local
142 msr |= MSR_VEC; in __unsafe_setup_sigcontext()
158 msr &= ~MSR_VSX; in __unsafe_setup_sigcontext()
171 msr |= MSR_VSX; in __unsafe_setup_sigcontext()
176 unsafe_put_user(msr, &sc->gp_regs[PT_MSR], efault_out); in __unsafe_setup_sigcontext()
205 unsigned long msr) in setup_tm_sigcontexts() argument
224 BUG_ON(!MSR_TM_ACTIVE(msr)); in setup_tm_sigcontexts()
232 msr |= tsk->thread.ckpt_regs.msr & (MSR_FP | MSR_VEC | MSR_VSX); in setup_tm_sigcontexts()
246 if (msr & MSR_VEC) in setup_tm_sigcontexts()
258 msr |= MSR_VEC; in setup_tm_sigcontexts()
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| D | signal_32.c | 264 unsigned long msr = regs->msr; in __unsafe_save_user_regs() local
276 msr |= MSR_VEC; in __unsafe_save_user_regs()
295 msr &= ~MSR_VSX; in __unsafe_save_user_regs()
305 msr |= MSR_VSX; in __unsafe_save_user_regs()
315 msr |= MSR_SPE; in __unsafe_save_user_regs()
324 unsafe_put_user(msr, &frame->mc_gregs[PT_MSR], failed); in __unsafe_save_user_regs()
362 struct mcontext __user *tm_frame, unsigned long msr) in save_tm_user_regs_unsafe() argument
374 unsafe_put_user((msr >> 32), &tm_frame->mc_gregs[PT_MSR], failed); in save_tm_user_regs_unsafe()
380 if (msr & MSR_VEC) in save_tm_user_regs_unsafe()
392 msr |= MSR_VEC; in save_tm_user_regs_unsafe()
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| D | cpu_setup_power.c | 19 u64 msr; in init_hvmode_206() local
21 msr = mfmsr(); in init_hvmode_206()
22 if (msr & MSR_HV) in init_hvmode_206()
146 u64 msr; in __restore_cpu_power7() local
148 msr = mfmsr(); in __restore_cpu_power7()
149 if (!(msr & MSR_HV)) in __restore_cpu_power7()
176 u64 msr; in __restore_cpu_power8() local
182 msr = mfmsr(); in __restore_cpu_power8()
183 if (!(msr & MSR_HV)) in __restore_cpu_power8()
214 u64 msr; in __restore_cpu_power9() local
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| D | process.c | 97 MSR_TM_ACTIVE(tsk->thread.regs->msr) && in check_if_tm_restore_required()
100 tsk->thread.regs->msr); in check_if_tm_restore_required()
158 unsigned long msr; in __giveup_fpu() local
161 msr = tsk->thread.regs->msr; in __giveup_fpu()
162 msr &= ~(MSR_FP|MSR_FE0|MSR_FE1); in __giveup_fpu()
164 msr &= ~MSR_VSX; in __giveup_fpu()
165 regs_set_return_msr(tsk->thread.regs, msr); in __giveup_fpu()
194 if (tsk->thread.regs->msr & MSR_FP) { in flush_fp_to_thread()
218 if (current->thread.regs && (current->thread.regs->msr & MSR_FP)) { in enable_kernel_fp()
228 MSR_TM_ACTIVE(current->thread.regs->msr)) in enable_kernel_fp()
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| /Linux-v5.15/arch/arm64/kvm/hyp/nvhe/ |
| D | hyp-init.S | 87 msr tpidr_el2, x1
93 msr mair_el2, x1
96 msr hcr_el2, x1
99 msr vttbr_el2, x1
102 msr vtcr_el2, x1
109 msr ttbr0_el2, x2
116 msr tcr_el2, x0
131 msr sctlr_el2, x0
136 msr vbar_el2, x0
182 2: msr SPsel, #1 // We want to use SP_EL{1,2}
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| /Linux-v5.15/tools/power/x86/x86_energy_perf_policy/ |
| D | x86_energy_perf_policy.c | 680 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-v5.15/arch/powerpc/kernel/ptrace/ |
| D | ptrace-tm.c | 34 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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| /Linux-v5.15/arch/x86/kvm/svm/ |
| D | pmu.c | 64 static enum index msr_to_index(u32 msr) in msr_to_index() argument
66 switch (msr) { in msr_to_index()
98 static inline struct kvm_pmc *get_gp_pmc_amd(struct kvm_pmu *pmu, u32 msr, in get_gp_pmc_amd() argument
103 switch (msr) { in get_gp_pmc_amd()
134 return &pmu->gp_counters[msr_to_index(msr)]; in get_gp_pmc_amd()
209 static bool amd_is_valid_msr(struct kvm_vcpu *vcpu, u32 msr) in amd_is_valid_msr() argument
215 static struct kvm_pmc *amd_msr_idx_to_pmc(struct kvm_vcpu *vcpu, u32 msr) in amd_msr_idx_to_pmc() argument
220 pmc = get_gp_pmc_amd(pmu, msr, PMU_TYPE_COUNTER); in amd_msr_idx_to_pmc()
221 pmc = pmc ? pmc : get_gp_pmc_amd(pmu, msr, PMU_TYPE_EVNTSEL); in amd_msr_idx_to_pmc()
230 u32 msr = msr_info->index; in amd_pmu_get_msr() local
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