X-Git-Url: https://git.saurik.com/apple/xnu.git/blobdiff_plain/060df5ea7c632b1ac8cc8aac1fb59758165c2084..2dced7af2b695f87fe26496a3e73c219b7880cbc:/bsd/dev/i386/sysctl.c?ds=sidebyside diff --git a/bsd/dev/i386/sysctl.c b/bsd/dev/i386/sysctl.c index c255529a1..06e938975 100644 --- a/bsd/dev/i386/sysctl.c +++ b/bsd/dev/i386/sysctl.c @@ -1,5 +1,5 @@ /* - * Copyright (c) 2003 Apple Computer, Inc. All rights reserved. + * Copyright (c) 2003-2011 Apple Inc. All rights reserved. * * @APPLE_OSREFERENCE_LICENSE_HEADER_START@ * @@ -33,6 +33,12 @@ #include #include #include +#include +#include +#include +#include +#include + static int _i386_cpu_info SYSCTL_HANDLER_ARGS @@ -116,6 +122,7 @@ cpu_xsave SYSCTL_HANDLER_ARGS return _i386_cpu_info(oidp, ptr, arg2, req); } + static int cpu_features SYSCTL_HANDLER_ARGS { @@ -144,6 +151,24 @@ cpu_extfeatures SYSCTL_HANDLER_ARGS return SYSCTL_OUT(req, buf, strlen(buf) + 1); } +static int +cpu_leaf7_features SYSCTL_HANDLER_ARGS +{ + __unused struct sysctl_oid *unused_oidp = oidp; + __unused void *unused_arg1 = arg1; + __unused int unused_arg2 = arg2; + char buf[512]; + + uint32_t leaf7_features = cpuid_info()->cpuid_leaf7_features; + if (leaf7_features == 0) + return ENOENT; + + buf[0] = '\0'; + cpuid_get_leaf7_feature_names(leaf7_features, buf, sizeof(buf)); + + return SYSCTL_OUT(req, buf, strlen(buf) + 1); +} + static int cpu_logical_per_package SYSCTL_HANDLER_ARGS { @@ -201,6 +226,42 @@ cpu_flex_ratio_max SYSCTL_HANDLER_ARGS return SYSCTL_OUT(req, &flex_ratio_max, sizeof(flex_ratio_max)); } +static int +cpu_ucode_update SYSCTL_HANDLER_ARGS +{ + __unused struct sysctl_oid *unused_oidp = oidp; + __unused void *unused_arg1 = arg1; + __unused int unused_arg2 = arg2; + uint64_t addr; + int error; + + error = SYSCTL_IN(req, &addr, sizeof(addr)); + if (error) + return error; + + int ret = ucode_interface(addr); + return ret; +} + +extern uint64_t panic_restart_timeout; +static int +panic_set_restart_timeout(__unused struct sysctl_oid *oidp, __unused void *arg1, __unused int arg2, struct sysctl_req *req) +{ + int new_value = 0, old_value = 0, changed = 0, error; + uint64_t nstime; + + if (panic_restart_timeout) { + absolutetime_to_nanoseconds(panic_restart_timeout, &nstime); + old_value = nstime / NSEC_PER_SEC; + } + + error = sysctl_io_number(req, old_value, sizeof(int), &new_value, &changed); + if (error == 0 && changed) { + nanoseconds_to_absolutetime(((uint64_t)new_value) * NSEC_PER_SEC, &panic_restart_timeout); + } + return error; +} + /* * Populates the {CPU, vector, latency} triple for the maximum observed primary * interrupt latency @@ -223,110 +284,147 @@ misc_interrupt_latency_max(__unused struct sysctl_oid *oidp, __unused void *arg1 return error; } +/* + * Triggers a machine-check exception - for a suitably configured kernel only. + */ +extern void mca_exception_panic(void); +static int +misc_machine_check_panic(__unused struct sysctl_oid *oidp, __unused void *arg1, __unused int arg2, struct sysctl_req *req) +{ + int changed = 0, error; + char buf[128]; + buf[0] = '\0'; + + error = sysctl_io_string(req, buf, sizeof(buf), 0, &changed); + + if (error == 0 && changed) { + mca_exception_panic(); + } + return error; +} + + SYSCTL_NODE(_machdep, OID_AUTO, cpu, CTLFLAG_RW|CTLFLAG_LOCKED, 0, "CPU info"); -SYSCTL_PROC(_machdep_cpu, OID_AUTO, max_basic, CTLTYPE_INT | CTLFLAG_RD, +SYSCTL_PROC(_machdep_cpu, OID_AUTO, max_basic, CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED, (void *)offsetof(i386_cpu_info_t, cpuid_max_basic),sizeof(uint32_t), i386_cpu_info, "IU", "Max Basic Information value"); -SYSCTL_PROC(_machdep_cpu, OID_AUTO, max_ext, CTLTYPE_INT | CTLFLAG_RD, +SYSCTL_PROC(_machdep_cpu, OID_AUTO, max_ext, CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED, (void *)offsetof(i386_cpu_info_t, cpuid_max_ext), sizeof(uint32_t), i386_cpu_info, "IU", "Max Extended Function Information value"); -SYSCTL_PROC(_machdep_cpu, OID_AUTO, vendor, CTLTYPE_STRING | CTLFLAG_RD, +SYSCTL_PROC(_machdep_cpu, OID_AUTO, vendor, CTLTYPE_STRING | CTLFLAG_RD | CTLFLAG_LOCKED, (void *)offsetof(i386_cpu_info_t, cpuid_vendor), 0, i386_cpu_info, "A", "CPU vendor"); -SYSCTL_PROC(_machdep_cpu, OID_AUTO, brand_string, CTLTYPE_STRING | CTLFLAG_RD, +SYSCTL_PROC(_machdep_cpu, OID_AUTO, brand_string, CTLTYPE_STRING | CTLFLAG_RD | CTLFLAG_LOCKED, (void *)offsetof(i386_cpu_info_t, cpuid_brand_string), 0, i386_cpu_info, "A", "CPU brand string"); -SYSCTL_PROC(_machdep_cpu, OID_AUTO, family, CTLTYPE_INT | CTLFLAG_RD, +SYSCTL_PROC(_machdep_cpu, OID_AUTO, family, CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED, (void *)offsetof(i386_cpu_info_t, cpuid_family), sizeof(uint8_t), i386_cpu_info, "I", "CPU family"); -SYSCTL_PROC(_machdep_cpu, OID_AUTO, model, CTLTYPE_INT | CTLFLAG_RD, +SYSCTL_PROC(_machdep_cpu, OID_AUTO, model, CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED, (void *)offsetof(i386_cpu_info_t, cpuid_model), sizeof(uint8_t), i386_cpu_info, "I", "CPU model"); -SYSCTL_PROC(_machdep_cpu, OID_AUTO, extmodel, CTLTYPE_INT | CTLFLAG_RD, +SYSCTL_PROC(_machdep_cpu, OID_AUTO, extmodel, CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED, (void *)offsetof(i386_cpu_info_t, cpuid_extmodel), sizeof(uint8_t), i386_cpu_info, "I", "CPU extended model"); -SYSCTL_PROC(_machdep_cpu, OID_AUTO, extfamily, CTLTYPE_INT | CTLFLAG_RD, +SYSCTL_PROC(_machdep_cpu, OID_AUTO, extfamily, CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED, (void *)offsetof(i386_cpu_info_t, cpuid_extfamily), sizeof(uint8_t), i386_cpu_info, "I", "CPU extended family"); -SYSCTL_PROC(_machdep_cpu, OID_AUTO, stepping, CTLTYPE_INT | CTLFLAG_RD, +SYSCTL_PROC(_machdep_cpu, OID_AUTO, stepping, CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED, (void *)offsetof(i386_cpu_info_t, cpuid_stepping), sizeof(uint8_t), i386_cpu_info, "I", "CPU stepping"); -SYSCTL_PROC(_machdep_cpu, OID_AUTO, feature_bits, CTLTYPE_QUAD | CTLFLAG_RD, +SYSCTL_PROC(_machdep_cpu, OID_AUTO, feature_bits, CTLTYPE_QUAD | CTLFLAG_RD | CTLFLAG_LOCKED, (void *)offsetof(i386_cpu_info_t, cpuid_features), sizeof(uint64_t), i386_cpu_info, "IU", "CPU features"); -SYSCTL_PROC(_machdep_cpu, OID_AUTO, extfeature_bits, CTLTYPE_QUAD | CTLFLAG_RD, +SYSCTL_PROC(_machdep_cpu, OID_AUTO, leaf7_feature_bits, + CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED, + (void *)offsetof(i386_cpu_info_t, cpuid_leaf7_features), + sizeof(uint32_t), + i386_cpu_info_nonzero, "IU", "CPU Leaf7 features"); + +SYSCTL_PROC(_machdep_cpu, OID_AUTO, extfeature_bits, CTLTYPE_QUAD | CTLFLAG_RD | CTLFLAG_LOCKED, (void *)offsetof(i386_cpu_info_t, cpuid_extfeatures), sizeof(uint64_t), i386_cpu_info, "IU", "CPU extended features"); -SYSCTL_PROC(_machdep_cpu, OID_AUTO, signature, CTLTYPE_INT | CTLFLAG_RD, +SYSCTL_PROC(_machdep_cpu, OID_AUTO, signature, CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED, (void *)offsetof(i386_cpu_info_t, cpuid_signature), sizeof(uint32_t), i386_cpu_info, "I", "CPU signature"); -SYSCTL_PROC(_machdep_cpu, OID_AUTO, brand, CTLTYPE_INT | CTLFLAG_RD, +SYSCTL_PROC(_machdep_cpu, OID_AUTO, brand, CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED, (void *)offsetof(i386_cpu_info_t, cpuid_brand), sizeof(uint8_t), i386_cpu_info, "I", "CPU brand"); -SYSCTL_PROC(_machdep_cpu, OID_AUTO, features, CTLTYPE_STRING | CTLFLAG_RD, +SYSCTL_PROC(_machdep_cpu, OID_AUTO, features, CTLTYPE_STRING | CTLFLAG_RD | CTLFLAG_LOCKED, 0, 0, cpu_features, "A", "CPU feature names"); -SYSCTL_PROC(_machdep_cpu, OID_AUTO, extfeatures, CTLTYPE_STRING | CTLFLAG_RD, +SYSCTL_PROC(_machdep_cpu, OID_AUTO, leaf7_features, + CTLTYPE_STRING | CTLFLAG_RD | CTLFLAG_LOCKED, + 0, 0, + cpu_leaf7_features, "A", "CPU Leaf7 feature names"); + +SYSCTL_PROC(_machdep_cpu, OID_AUTO, extfeatures, CTLTYPE_STRING | CTLFLAG_RD | CTLFLAG_LOCKED, 0, 0, cpu_extfeatures, "A", "CPU extended feature names"); SYSCTL_PROC(_machdep_cpu, OID_AUTO, logical_per_package, - CTLTYPE_INT | CTLFLAG_RD, + CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED, 0, 0, cpu_logical_per_package, "I", "CPU logical cpus per package"); SYSCTL_PROC(_machdep_cpu, OID_AUTO, cores_per_package, - CTLTYPE_INT | CTLFLAG_RD, + CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED, (void *)offsetof(i386_cpu_info_t, cpuid_cores_per_package), sizeof(uint32_t), i386_cpu_info, "I", "CPU cores per package"); SYSCTL_PROC(_machdep_cpu, OID_AUTO, microcode_version, - CTLTYPE_INT | CTLFLAG_RD, + CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED, (void *)offsetof(i386_cpu_info_t, cpuid_microcode_version), sizeof(uint32_t), i386_cpu_info, "I", "Microcode version number"); +SYSCTL_PROC(_machdep_cpu, OID_AUTO, processor_flag, + CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED, + (void *)offsetof(i386_cpu_info_t, cpuid_processor_flag), + sizeof(uint32_t), + i386_cpu_info, "I", "CPU processor flag"); + SYSCTL_NODE(_machdep_cpu, OID_AUTO, mwait, CTLFLAG_RW|CTLFLAG_LOCKED, 0, "mwait"); SYSCTL_PROC(_machdep_cpu_mwait, OID_AUTO, linesize_min, - CTLTYPE_INT | CTLFLAG_RD, + CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED, (void *)offsetof(cpuid_mwait_leaf_t, linesize_min), sizeof(uint32_t), cpu_mwait, "I", "Monitor/mwait minimum line size"); SYSCTL_PROC(_machdep_cpu_mwait, OID_AUTO, linesize_max, - CTLTYPE_INT | CTLFLAG_RD, + CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED, (void *)offsetof(cpuid_mwait_leaf_t, linesize_max), sizeof(uint32_t), cpu_mwait, "I", "Monitor/mwait maximum line size"); SYSCTL_PROC(_machdep_cpu_mwait, OID_AUTO, extensions, - CTLTYPE_INT | CTLFLAG_RD, + CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED, (void *)offsetof(cpuid_mwait_leaf_t, extensions), sizeof(uint32_t), cpu_mwait, "I", "Monitor/mwait extensions"); SYSCTL_PROC(_machdep_cpu_mwait, OID_AUTO, sub_Cstates, - CTLTYPE_INT | CTLFLAG_RD, + CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED, (void *)offsetof(cpuid_mwait_leaf_t, sub_Cstates), sizeof(uint32_t), cpu_mwait, "I", "Monitor/mwait sub C-states"); @@ -336,31 +434,31 @@ SYSCTL_NODE(_machdep_cpu, OID_AUTO, thermal, CTLFLAG_RW|CTLFLAG_LOCKED, 0, "thermal"); SYSCTL_PROC(_machdep_cpu_thermal, OID_AUTO, sensor, - CTLTYPE_INT | CTLFLAG_RD, + CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED, (void *)offsetof(cpuid_thermal_leaf_t, sensor), sizeof(boolean_t), cpu_thermal, "I", "Thermal sensor present"); SYSCTL_PROC(_machdep_cpu_thermal, OID_AUTO, dynamic_acceleration, - CTLTYPE_INT | CTLFLAG_RD, + CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED, (void *)offsetof(cpuid_thermal_leaf_t, dynamic_acceleration), sizeof(boolean_t), cpu_thermal, "I", "Dynamic Acceleration Technology (Turbo Mode)"); SYSCTL_PROC(_machdep_cpu_thermal, OID_AUTO, invariant_APIC_timer, - CTLTYPE_INT | CTLFLAG_RD, + CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED, (void *)offsetof(cpuid_thermal_leaf_t, invariant_APIC_timer), sizeof(boolean_t), cpu_thermal, "I", "Invariant APIC Timer"); SYSCTL_PROC(_machdep_cpu_thermal, OID_AUTO, thresholds, - CTLTYPE_INT | CTLFLAG_RD, + CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED, (void *)offsetof(cpuid_thermal_leaf_t, thresholds), sizeof(uint32_t), cpu_thermal, "I", "Number of interrupt thresholds"); SYSCTL_PROC(_machdep_cpu_thermal, OID_AUTO, ACNT_MCNT, - CTLTYPE_INT | CTLFLAG_RD, + CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED, (void *)offsetof(cpuid_thermal_leaf_t, ACNT_MCNT), sizeof(boolean_t), cpu_thermal, "I", "ACNT_MCNT capability"); @@ -381,7 +479,7 @@ SYSCTL_PROC(_machdep_cpu_thermal, OID_AUTO, package_thermal_intr, CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED, (void *)offsetof(cpuid_thermal_leaf_t, package_thermal_intr), sizeof(boolean_t), - cpu_thermal, "I", "Packge Thermal interrupt and Status"); + cpu_thermal, "I", "Package Thermal interrupt and Status"); SYSCTL_PROC(_machdep_cpu_thermal, OID_AUTO, hardware_feedback, CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED, @@ -395,58 +493,63 @@ SYSCTL_PROC(_machdep_cpu_thermal, OID_AUTO, energy_policy, sizeof(boolean_t), cpu_thermal, "I", "Energy Efficient Policy Support"); - SYSCTL_NODE(_machdep_cpu, OID_AUTO, xsave, CTLFLAG_RW|CTLFLAG_LOCKED, 0, "xsave"); SYSCTL_PROC(_machdep_cpu_xsave, OID_AUTO, extended_state, CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED, - (void *)offsetof(cpuid_xsave_leaf_t, extended_state), + (void *) 0, sizeof(cpuid_xsave_leaf_t), - cpu_xsave, "IU", "XSAVE Extended State"); + cpu_xsave, "IU", "XSAVE Extended State Main Leaf"); + +SYSCTL_PROC(_machdep_cpu_xsave, OID_AUTO, extended_state1, + CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED, + (void *) sizeof(cpuid_xsave_leaf_t), + sizeof(cpuid_xsave_leaf_t), + cpu_xsave, "IU", "XSAVE Extended State Sub-leaf 1"); SYSCTL_NODE(_machdep_cpu, OID_AUTO, arch_perf, CTLFLAG_RW|CTLFLAG_LOCKED, 0, "arch_perf"); SYSCTL_PROC(_machdep_cpu_arch_perf, OID_AUTO, version, - CTLTYPE_INT | CTLFLAG_RD, + CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED, (void *)offsetof(cpuid_arch_perf_leaf_t, version), sizeof(uint8_t), cpu_arch_perf, "I", "Architectural Performance Version Number"); SYSCTL_PROC(_machdep_cpu_arch_perf, OID_AUTO, number, - CTLTYPE_INT | CTLFLAG_RD, + CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED, (void *)offsetof(cpuid_arch_perf_leaf_t, number), sizeof(uint8_t), cpu_arch_perf, "I", "Number of counters per logical cpu"); SYSCTL_PROC(_machdep_cpu_arch_perf, OID_AUTO, width, - CTLTYPE_INT | CTLFLAG_RD, + CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED, (void *)offsetof(cpuid_arch_perf_leaf_t, width), sizeof(uint8_t), cpu_arch_perf, "I", "Bit width of counters"); SYSCTL_PROC(_machdep_cpu_arch_perf, OID_AUTO, events_number, - CTLTYPE_INT | CTLFLAG_RD, + CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED, (void *)offsetof(cpuid_arch_perf_leaf_t, events_number), sizeof(uint8_t), cpu_arch_perf, "I", "Number of monitoring events"); SYSCTL_PROC(_machdep_cpu_arch_perf, OID_AUTO, events, - CTLTYPE_INT | CTLFLAG_RD, + CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED, (void *)offsetof(cpuid_arch_perf_leaf_t, events), sizeof(uint32_t), cpu_arch_perf, "I", "Bit vector of events"); SYSCTL_PROC(_machdep_cpu_arch_perf, OID_AUTO, fixed_number, - CTLTYPE_INT | CTLFLAG_RD, + CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED, (void *)offsetof(cpuid_arch_perf_leaf_t, fixed_number), sizeof(uint8_t), cpu_arch_perf, "I", "Number of fixed-function counters"); SYSCTL_PROC(_machdep_cpu_arch_perf, OID_AUTO, fixed_width, - CTLTYPE_INT | CTLFLAG_RD, + CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED, (void *)offsetof(cpuid_arch_perf_leaf_t, fixed_width), sizeof(uint8_t), cpu_arch_perf, "I", "Bit-width of fixed-function counters"); @@ -456,19 +559,19 @@ SYSCTL_NODE(_machdep_cpu, OID_AUTO, cache, CTLFLAG_RW|CTLFLAG_LOCKED, 0, "cache"); SYSCTL_PROC(_machdep_cpu_cache, OID_AUTO, linesize, - CTLTYPE_INT | CTLFLAG_RD, + CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED, (void *)offsetof(i386_cpu_info_t, cpuid_cache_linesize), sizeof(uint32_t), i386_cpu_info, "I", "Cacheline size"); SYSCTL_PROC(_machdep_cpu_cache, OID_AUTO, L2_associativity, - CTLTYPE_INT | CTLFLAG_RD, + CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED, (void *)offsetof(i386_cpu_info_t, cpuid_cache_L2_associativity), sizeof(uint32_t), i386_cpu_info, "I", "L2 cache associativity"); SYSCTL_PROC(_machdep_cpu_cache, OID_AUTO, size, - CTLTYPE_INT | CTLFLAG_RD, + CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED, (void *)offsetof(i386_cpu_info_t, cpuid_cache_size), sizeof(uint32_t), i386_cpu_info, "I", "Cache size (in Kbytes)"); @@ -482,7 +585,7 @@ SYSCTL_NODE(_machdep_cpu_tlb, OID_AUTO, data, CTLFLAG_RW|CTLFLAG_LOCKED, 0, "data"); SYSCTL_PROC(_machdep_cpu_tlb_inst, OID_AUTO, small, - CTLTYPE_INT | CTLFLAG_RD, + CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED, (void *)offsetof(i386_cpu_info_t, cpuid_tlb[TLB_INST][TLB_SMALL][0]), sizeof(uint32_t), @@ -490,7 +593,7 @@ SYSCTL_PROC(_machdep_cpu_tlb_inst, OID_AUTO, small, "Number of small page instruction TLBs"); SYSCTL_PROC(_machdep_cpu_tlb_data, OID_AUTO, small, - CTLTYPE_INT | CTLFLAG_RD, + CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED, (void *)offsetof(i386_cpu_info_t, cpuid_tlb[TLB_DATA][TLB_SMALL][0]), sizeof(uint32_t), @@ -498,7 +601,7 @@ SYSCTL_PROC(_machdep_cpu_tlb_data, OID_AUTO, small, "Number of small page data TLBs (1st level)"); SYSCTL_PROC(_machdep_cpu_tlb_data, OID_AUTO, small_level1, - CTLTYPE_INT | CTLFLAG_RD, + CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED, (void *)offsetof(i386_cpu_info_t, cpuid_tlb[TLB_DATA][TLB_SMALL][1]), sizeof(uint32_t), @@ -506,7 +609,7 @@ SYSCTL_PROC(_machdep_cpu_tlb_data, OID_AUTO, small_level1, "Number of small page data TLBs (2nd level)"); SYSCTL_PROC(_machdep_cpu_tlb_inst, OID_AUTO, large, - CTLTYPE_INT | CTLFLAG_RD, + CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED, (void *)offsetof(i386_cpu_info_t, cpuid_tlb[TLB_INST][TLB_LARGE][0]), sizeof(uint32_t), @@ -514,7 +617,7 @@ SYSCTL_PROC(_machdep_cpu_tlb_inst, OID_AUTO, large, "Number of large page instruction TLBs"); SYSCTL_PROC(_machdep_cpu_tlb_data, OID_AUTO, large, - CTLTYPE_INT | CTLFLAG_RD, + CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED, (void *)offsetof(i386_cpu_info_t, cpuid_tlb[TLB_DATA][TLB_LARGE][0]), sizeof(uint32_t), @@ -522,7 +625,7 @@ SYSCTL_PROC(_machdep_cpu_tlb_data, OID_AUTO, large, "Number of large page data TLBs (1st level)"); SYSCTL_PROC(_machdep_cpu_tlb_data, OID_AUTO, large_level1, - CTLTYPE_INT | CTLFLAG_RD, + CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED, (void *)offsetof(i386_cpu_info_t, cpuid_tlb[TLB_DATA][TLB_LARGE][1]), sizeof(uint32_t), @@ -530,7 +633,7 @@ SYSCTL_PROC(_machdep_cpu_tlb_data, OID_AUTO, large_level1, "Number of large page data TLBs (2nd level)"); SYSCTL_PROC(_machdep_cpu_tlb, OID_AUTO, shared, - CTLTYPE_INT | CTLFLAG_RD, + CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED, (void *)offsetof(i386_cpu_info_t, cpuid_stlb), sizeof(uint32_t), i386_cpu_info_nonzero, "I", @@ -541,26 +644,26 @@ SYSCTL_NODE(_machdep_cpu, OID_AUTO, address_bits, CTLFLAG_RW|CTLFLAG_LOCKED, 0, "address_bits"); SYSCTL_PROC(_machdep_cpu_address_bits, OID_AUTO, physical, - CTLTYPE_INT | CTLFLAG_RD, + CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED, (void *)offsetof(i386_cpu_info_t, cpuid_address_bits_physical), sizeof(uint32_t), i386_cpu_info, "I", "Number of physical address bits"); SYSCTL_PROC(_machdep_cpu_address_bits, OID_AUTO, virtual, - CTLTYPE_INT | CTLFLAG_RD, + CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED, (void *)offsetof(i386_cpu_info_t, cpuid_address_bits_virtual), sizeof(uint32_t), i386_cpu_info, "I", "Number of virtual address bits"); SYSCTL_PROC(_machdep_cpu, OID_AUTO, core_count, - CTLTYPE_INT | CTLFLAG_RD, + CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED, (void *)offsetof(i386_cpu_info_t, core_count), sizeof(uint32_t), i386_cpu_info, "I", "Number of enabled cores per package"); SYSCTL_PROC(_machdep_cpu, OID_AUTO, thread_count, - CTLTYPE_INT | CTLFLAG_RD, + CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED, (void *)offsetof(i386_cpu_info_t, thread_count), sizeof(uint32_t), i386_cpu_info, "I", "Number of enabled threads per package"); @@ -569,34 +672,64 @@ SYSCTL_NODE(_machdep_cpu, OID_AUTO, flex_ratio, CTLFLAG_RW|CTLFLAG_LOCKED, 0, "Flex ratio"); SYSCTL_PROC(_machdep_cpu_flex_ratio, OID_AUTO, desired, - CTLTYPE_INT | CTLFLAG_RD, + CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED, 0, 0, cpu_flex_ratio_desired, "I", "Flex ratio desired (0 disabled)"); SYSCTL_PROC(_machdep_cpu_flex_ratio, OID_AUTO, min, - CTLTYPE_INT | CTLFLAG_RD, + CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED, 0, 0, cpu_flex_ratio_min, "I", "Flex ratio min (efficiency)"); SYSCTL_PROC(_machdep_cpu_flex_ratio, OID_AUTO, max, - CTLTYPE_INT | CTLFLAG_RD, + CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED, 0, 0, cpu_flex_ratio_max, "I", "Flex ratio max (non-turbo)"); +SYSCTL_PROC(_machdep_cpu, OID_AUTO, ucupdate, + CTLTYPE_INT | CTLFLAG_WR | CTLFLAG_LOCKED, 0, 0, + cpu_ucode_update, "S", "Microcode update interface"); + +SYSCTL_NODE(_machdep_cpu, OID_AUTO, tsc_ccc, CTLFLAG_RW|CTLFLAG_LOCKED, 0, + "TSC/CCC frequency information"); + +SYSCTL_PROC(_machdep_cpu_tsc_ccc, OID_AUTO, numerator, + CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED, + (void *)offsetof(i386_cpu_info_t, cpuid_tsc_leaf.numerator), + sizeof(uint32_t), + i386_cpu_info, "I", "Numerator of TSC/CCC ratio"); + +SYSCTL_PROC(_machdep_cpu_tsc_ccc, OID_AUTO, denominator, + CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED, + (void *)offsetof(i386_cpu_info_t, cpuid_tsc_leaf.denominator), + sizeof(uint32_t), + i386_cpu_info, "I", "Denominator of TSC/CCC ratio"); + +static const uint32_t apic_timer_vector = (LAPIC_DEFAULT_INTERRUPT_BASE + LAPIC_TIMER_INTERRUPT); +static const uint32_t apic_IPI_vector = (LAPIC_DEFAULT_INTERRUPT_BASE + LAPIC_INTERPROCESSOR_INTERRUPT); + +SYSCTL_NODE(_machdep, OID_AUTO, vectors, CTLFLAG_RD | CTLFLAG_LOCKED, 0, + "Interrupt vector assignments"); + +SYSCTL_UINT (_machdep_vectors, OID_AUTO, timer, CTLFLAG_RD | CTLFLAG_KERN | CTLFLAG_LOCKED, __DECONST(uint32_t *,&apic_timer_vector), 0, ""); +SYSCTL_UINT (_machdep_vectors, OID_AUTO, IPI, CTLFLAG_RD | CTLFLAG_KERN | CTLFLAG_LOCKED, __DECONST(uint32_t *,&apic_IPI_vector), 0, ""); + uint64_t pmap_pv_hashlist_walks; uint64_t pmap_pv_hashlist_cnts; uint32_t pmap_pv_hashlist_max; uint32_t pmap_kernel_text_ps = PAGE_SIZE; +extern uint32_t pv_hashed_kern_low_water_mark; /*extern struct sysctl_oid_list sysctl__machdep_pmap_children;*/ SYSCTL_NODE(_machdep, OID_AUTO, pmap, CTLFLAG_RW|CTLFLAG_LOCKED, 0, "PMAP info"); -SYSCTL_QUAD (_machdep_pmap, OID_AUTO, hashwalks, CTLFLAG_RD | CTLFLAG_KERN, &pmap_pv_hashlist_walks, ""); -SYSCTL_QUAD (_machdep_pmap, OID_AUTO, hashcnts, CTLFLAG_RD | CTLFLAG_KERN, &pmap_pv_hashlist_cnts, ""); -SYSCTL_INT (_machdep_pmap, OID_AUTO, hashmax, CTLFLAG_RD | CTLFLAG_KERN, &pmap_pv_hashlist_max, 0, ""); -SYSCTL_INT (_machdep_pmap, OID_AUTO, kernel_text_ps, CTLFLAG_RD | CTLFLAG_KERN, &pmap_kernel_text_ps, 0, ""); +SYSCTL_QUAD (_machdep_pmap, OID_AUTO, hashwalks, CTLFLAG_RD | CTLFLAG_KERN | CTLFLAG_LOCKED, &pmap_pv_hashlist_walks, ""); +SYSCTL_QUAD (_machdep_pmap, OID_AUTO, hashcnts, CTLFLAG_RD | CTLFLAG_KERN | CTLFLAG_LOCKED, &pmap_pv_hashlist_cnts, ""); +SYSCTL_INT (_machdep_pmap, OID_AUTO, hashmax, CTLFLAG_RD | CTLFLAG_KERN | CTLFLAG_LOCKED, &pmap_pv_hashlist_max, 0, ""); +SYSCTL_INT (_machdep_pmap, OID_AUTO, kernel_text_ps, CTLFLAG_RD | CTLFLAG_KERN | CTLFLAG_LOCKED, &pmap_kernel_text_ps, 0, ""); +SYSCTL_INT (_machdep_pmap, OID_AUTO, kern_pv_reserve, CTLFLAG_RW | CTLFLAG_KERN | CTLFLAG_LOCKED, &pv_hashed_kern_low_water_mark, 0, ""); SYSCTL_NODE(_machdep, OID_AUTO, memmap, CTLFLAG_RD|CTLFLAG_LOCKED, NULL, "physical memory map"); @@ -620,10 +753,130 @@ SYSCTL_QUAD(_machdep_memmap, OID_AUTO, Other, CTLFLAG_RD|CTLFLAG_LOCKED, &firmwa SYSCTL_NODE(_machdep, OID_AUTO, tsc, CTLFLAG_RD|CTLFLAG_LOCKED, NULL, "Timestamp counter parameters"); -SYSCTL_QUAD(_machdep_tsc, OID_AUTO, frequency, CTLFLAG_RD|CTLFLAG_LOCKED, &tscFreq, ""); +SYSCTL_QUAD(_machdep_tsc, OID_AUTO, frequency, + CTLFLAG_RD|CTLFLAG_LOCKED, &tscFreq, ""); + +extern uint32_t deep_idle_rebase; +SYSCTL_UINT(_machdep_tsc, OID_AUTO, deep_idle_rebase, + CTLFLAG_RW|CTLFLAG_KERN|CTLFLAG_LOCKED, &deep_idle_rebase, 0, ""); + +SYSCTL_NODE(_machdep_tsc, OID_AUTO, nanotime, + CTLFLAG_RD|CTLFLAG_LOCKED, NULL, "TSC to ns conversion"); +SYSCTL_QUAD(_machdep_tsc_nanotime, OID_AUTO, tsc_base, + CTLFLAG_RD | CTLFLAG_LOCKED, + __DECONST(uint64_t *, &pal_rtc_nanotime_info.tsc_base), ""); +SYSCTL_QUAD(_machdep_tsc_nanotime, OID_AUTO, ns_base, + CTLFLAG_RD | CTLFLAG_LOCKED, + __DECONST(uint64_t *, &pal_rtc_nanotime_info.ns_base), ""); +SYSCTL_UINT(_machdep_tsc_nanotime, OID_AUTO, scale, + CTLFLAG_RD | CTLFLAG_LOCKED, + __DECONST(uint32_t *, &pal_rtc_nanotime_info.scale), 0, ""); +SYSCTL_UINT(_machdep_tsc_nanotime, OID_AUTO, shift, + CTLFLAG_RD | CTLFLAG_LOCKED, + __DECONST(uint32_t *, &pal_rtc_nanotime_info.shift), 0, ""); +SYSCTL_UINT(_machdep_tsc_nanotime, OID_AUTO, generation, + CTLFLAG_RD | CTLFLAG_LOCKED, + __DECONST(uint32_t *, &pal_rtc_nanotime_info.generation), 0, ""); + SYSCTL_NODE(_machdep, OID_AUTO, misc, CTLFLAG_RW|CTLFLAG_LOCKED, 0, "Miscellaneous x86 kernel parameters"); -SYSCTL_PROC(_machdep_misc, OID_AUTO, interrupt_latency_max, CTLTYPE_STRING | CTLFLAG_RW | CTLFLAG_LOCKED, +SYSCTL_PROC(_machdep_misc, OID_AUTO, panic_restart_timeout, + CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_LOCKED, + 0, 0, + panic_set_restart_timeout, "I", "Panic restart timeout in seconds"); + +SYSCTL_PROC(_machdep_misc, OID_AUTO, interrupt_latency_max, + CTLTYPE_STRING | CTLFLAG_RW | CTLFLAG_LOCKED, 0, 0, misc_interrupt_latency_max, "A", "Maximum Interrupt latency"); + +SYSCTL_PROC(_machdep_misc, OID_AUTO, machine_check_panic, + CTLTYPE_STRING | CTLFLAG_RW | CTLFLAG_LOCKED, + 0, 0, + misc_machine_check_panic, "A", "Machine-check exception test"); + +#if DEVELOPMENT || DEBUG +SYSCTL_QUAD(_machdep, OID_AUTO, reportphyreadabs, + CTLFLAG_KERN | CTLFLAG_RW | CTLFLAG_LOCKED, + &reportphyreaddelayabs, ""); +SYSCTL_INT(_machdep, OID_AUTO, reportphyreadosbt, + CTLFLAG_KERN | CTLFLAG_RW | CTLFLAG_LOCKED, + &reportphyreadosbt, 0, ""); +#endif + +extern void timer_queue_trace_cpu(int); +static int +misc_timer_queue_trace(__unused struct sysctl_oid *oidp, __unused void *arg1, __unused int arg2, struct sysctl_req *req) +{ + int changed = 0, error; + char buf[128]; + buf[0] = '\0'; + + error = sysctl_io_string(req, buf, sizeof(buf), 0, &changed); + + if (error == 0 && changed) { + timer_queue_trace_cpu(0); + } + return error; +} + +SYSCTL_PROC(_machdep_misc, OID_AUTO, timer_queue_trace, + CTLTYPE_STRING | CTLFLAG_RW | CTLFLAG_LOCKED, + 0, 0, + misc_timer_queue_trace, "A", "Cut timer queue tracepoint"); + +extern long NMI_count; +extern void NMI_cpus(void); +static int +misc_nmis(__unused struct sysctl_oid *oidp, __unused void *arg1, __unused int arg2, struct sysctl_req *req) +{ + int new = 0, old = 0, changed = 0, error; + + old = NMI_count; + + error = sysctl_io_number(req, old, sizeof(int), &new, &changed); + if (error == 0 && changed) { + NMI_cpus(); + } + + return error; +} + +SYSCTL_PROC(_machdep_misc, OID_AUTO, nmis, + CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_LOCKED, + 0, 0, + misc_nmis, "I", "Report/increment NMI count"); + +/* Parameters related to timer coalescing tuning, to be replaced + * with a dedicated systemcall in the future. + */ +/* Enable processing pending timers in the context of any other interrupt */ +SYSCTL_INT(_kern, OID_AUTO, interrupt_timer_coalescing_enabled, + CTLFLAG_KERN | CTLFLAG_RW | CTLFLAG_LOCKED, + &interrupt_timer_coalescing_enabled, 0, ""); +/* Upon entering idle, process pending timers with HW deadlines + * this far in the future. + */ +SYSCTL_INT(_kern, OID_AUTO, timer_coalesce_idle_entry_hard_deadline_max, + CTLFLAG_KERN | CTLFLAG_RW | CTLFLAG_LOCKED, + &idle_entry_timer_processing_hdeadline_threshold, 0, ""); + +/* Track potentially expensive eager timer evaluations on QoS tier + * switches. + */ +extern uint32_t ml_timer_eager_evaluations; + +SYSCTL_INT(_machdep, OID_AUTO, eager_timer_evaluations, + CTLFLAG_KERN | CTLFLAG_RW | CTLFLAG_LOCKED, + &ml_timer_eager_evaluations, 0, ""); + +extern uint64_t ml_timer_eager_evaluation_max; + +SYSCTL_QUAD(_machdep, OID_AUTO, eager_timer_evaluation_max, + CTLFLAG_KERN | CTLFLAG_RW | CTLFLAG_LOCKED, + &ml_timer_eager_evaluation_max, ""); +extern uint64_t x86_isr_fp_simd_use; +SYSCTL_QUAD(_machdep, OID_AUTO, x86_fp_simd_isr_uses, + CTLFLAG_KERN | CTLFLAG_RW | CTLFLAG_LOCKED, + &x86_isr_fp_simd_use, "");