#include <asm/i8259.h>
#include <asm/mshyperv.h>
#include <asm/realmode.h>
+ #include <../kernel/smpboot.h>
extern struct boot_params boot_params;
static struct real_mode_header hv_vtl_real_mode_header;
+static bool __init hv_vtl_msi_ext_dest_id(void)
+{
+ return true;
+}
+
void __init hv_vtl_init_platform(void)
{
pr_info("Linux runs in Hyper-V Virtual Trust Level\n");
x86_init.timers.timer_init = x86_init_noop;
/* Avoid searching for BIOS MP tables */
- x86_init.mpparse.find_smp_config = x86_init_noop;
- x86_init.mpparse.get_smp_config = x86_init_uint_noop;
+ x86_init.mpparse.find_mptable = x86_init_noop;
+ x86_init.mpparse.early_parse_smp_cfg = x86_init_noop;
+ x86_init.mpparse.parse_smp_cfg = x86_init_noop;
x86_platform.get_wallclock = get_rtc_noop;
x86_platform.set_wallclock = set_rtc_noop;
x86_platform.legacy.warm_reset = 0;
x86_platform.legacy.reserve_bios_regions = 0;
x86_platform.legacy.devices.pnpbios = 0;
+
+ x86_init.hyper.msi_ext_dest_id = hv_vtl_msi_ext_dest_id;
}
static inline u64 hv_vtl_system_desc_base(struct ldttss_desc *desc)
((secondary_startup_64_fn)secondary_startup_64)(&boot_params, &boot_params);
}
- static int hv_vtl_bringup_vcpu(u32 target_vp_index, u64 eip_ignored)
+ static int hv_vtl_bringup_vcpu(u32 target_vp_index, int cpu, u64 eip_ignored)
{
u64 status;
int ret = 0;
struct ldttss_desc *ldt;
struct desc_struct *gdt;
- u64 rsp = current->thread.sp;
+ struct task_struct *idle = idle_thread_get(cpu);
+ u64 rsp = (unsigned long)idle->thread.sp;
+
u64 rip = (u64)&hv_vtl_ap_entry;
native_store_gdt(&gdt_ptr);
static int hv_vtl_wakeup_secondary_cpu(u32 apicid, unsigned long start_eip)
{
- int vp_id;
+ int vp_id, cpu;
+
+ /* Find the logical CPU for the APIC ID */
+ for_each_present_cpu(cpu) {
+ if (arch_match_cpu_phys_id(cpu, apicid))
+ break;
+ }
+ if (cpu >= nr_cpu_ids)
+ return -EINVAL;
pr_debug("Bringing up CPU with APIC ID %d in VTL2...\n", apicid);
vp_id = hv_vtl_apicid_to_vp_id(apicid);
return -EINVAL;
}
- return hv_vtl_bringup_vcpu(vp_id, start_eip);
+ return hv_vtl_bringup_vcpu(vp_id, cpu, start_eip);
}
int __init hv_vtl_early_init(void)
EXPORT_SYMBOL_GPL(hyperv_paravisor_present);
#if IS_ENABLED(CONFIG_HYPERV)
- static inline unsigned int hv_get_nested_reg(unsigned int reg)
+ static inline unsigned int hv_get_nested_msr(unsigned int reg)
{
- if (hv_is_sint_reg(reg))
- return reg - HV_REGISTER_SINT0 + HV_REGISTER_NESTED_SINT0;
+ if (hv_is_sint_msr(reg))
+ return reg - HV_X64_MSR_SINT0 + HV_X64_MSR_NESTED_SINT0;
switch (reg) {
- case HV_REGISTER_SIMP:
- return HV_REGISTER_NESTED_SIMP;
- case HV_REGISTER_SIEFP:
- return HV_REGISTER_NESTED_SIEFP;
- case HV_REGISTER_SVERSION:
- return HV_REGISTER_NESTED_SVERSION;
- case HV_REGISTER_SCONTROL:
- return HV_REGISTER_NESTED_SCONTROL;
- case HV_REGISTER_EOM:
- return HV_REGISTER_NESTED_EOM;
+ case HV_X64_MSR_SIMP:
+ return HV_X64_MSR_NESTED_SIMP;
+ case HV_X64_MSR_SIEFP:
+ return HV_X64_MSR_NESTED_SIEFP;
+ case HV_X64_MSR_SVERSION:
+ return HV_X64_MSR_NESTED_SVERSION;
+ case HV_X64_MSR_SCONTROL:
+ return HV_X64_MSR_NESTED_SCONTROL;
+ case HV_X64_MSR_EOM:
+ return HV_X64_MSR_NESTED_EOM;
default:
return reg;
}
}
- u64 hv_get_non_nested_register(unsigned int reg)
+ u64 hv_get_non_nested_msr(unsigned int reg)
{
u64 value;
- if (hv_is_synic_reg(reg) && ms_hyperv.paravisor_present)
+ if (hv_is_synic_msr(reg) && ms_hyperv.paravisor_present)
hv_ivm_msr_read(reg, &value);
else
rdmsrl(reg, value);
return value;
}
- EXPORT_SYMBOL_GPL(hv_get_non_nested_register);
+ EXPORT_SYMBOL_GPL(hv_get_non_nested_msr);
- void hv_set_non_nested_register(unsigned int reg, u64 value)
+ void hv_set_non_nested_msr(unsigned int reg, u64 value)
{
- if (hv_is_synic_reg(reg) && ms_hyperv.paravisor_present) {
+ if (hv_is_synic_msr(reg) && ms_hyperv.paravisor_present) {
hv_ivm_msr_write(reg, value);
/* Write proxy bit via wrmsl instruction */
- if (hv_is_sint_reg(reg))
+ if (hv_is_sint_msr(reg))
wrmsrl(reg, value | 1 << 20);
} else {
wrmsrl(reg, value);
}
}
- EXPORT_SYMBOL_GPL(hv_set_non_nested_register);
+ EXPORT_SYMBOL_GPL(hv_set_non_nested_msr);
- u64 hv_get_register(unsigned int reg)
+ u64 hv_get_msr(unsigned int reg)
{
if (hv_nested)
- reg = hv_get_nested_reg(reg);
+ reg = hv_get_nested_msr(reg);
- return hv_get_non_nested_register(reg);
+ return hv_get_non_nested_msr(reg);
}
- EXPORT_SYMBOL_GPL(hv_get_register);
+ EXPORT_SYMBOL_GPL(hv_get_msr);
- void hv_set_register(unsigned int reg, u64 value)
+ void hv_set_msr(unsigned int reg, u64 value)
{
if (hv_nested)
- reg = hv_get_nested_reg(reg);
+ reg = hv_get_nested_msr(reg);
- hv_set_non_nested_register(reg, value);
+ hv_set_non_nested_msr(reg, value);
}
- EXPORT_SYMBOL_GPL(hv_set_register);
+ EXPORT_SYMBOL_GPL(hv_set_msr);
static void (*vmbus_handler)(void);
static void (*hv_stimer0_handler)(void);
if (kexec_in_progress)
hyperv_cleanup();
}
+#endif /* CONFIG_KEXEC_CORE */
+#ifdef CONFIG_CRASH_DUMP
static void hv_machine_crash_shutdown(struct pt_regs *regs)
{
if (hv_crash_handler)
/* Disable the hypercall page when there is only 1 active CPU. */
hyperv_cleanup();
}
-#endif /* CONFIG_KEXEC_CORE */
+#endif /* CONFIG_CRASH_DUMP */
#endif /* CONFIG_HYPERV */
static uint32_t __init ms_hyperv_platform(void)
x86_init.irqs.pre_vector_init = x86_init_noop;
}
+ int hv_get_hypervisor_version(union hv_hypervisor_version_info *info)
+ {
+ unsigned int hv_max_functions;
+
+ hv_max_functions = cpuid_eax(HYPERV_CPUID_VENDOR_AND_MAX_FUNCTIONS);
+ if (hv_max_functions < HYPERV_CPUID_VERSION) {
+ pr_err("%s: Could not detect Hyper-V version\n", __func__);
+ return -ENODEV;
+ }
+
+ cpuid(HYPERV_CPUID_VERSION, &info->eax, &info->ebx, &info->ecx, &info->edx);
+
+ return 0;
+ }
+
static void __init ms_hyperv_init_platform(void)
{
int hv_max_functions_eax;
- int hv_host_info_eax;
- int hv_host_info_ebx;
- int hv_host_info_ecx;
- int hv_host_info_edx;
#ifdef CONFIG_PARAVIRT
pv_info.name = "Hyper-V";
pr_info("Hyper-V: running on a nested hypervisor\n");
}
- /*
- * Extract host information.
- */
- if (hv_max_functions_eax >= HYPERV_CPUID_VERSION) {
- hv_host_info_eax = cpuid_eax(HYPERV_CPUID_VERSION);
- hv_host_info_ebx = cpuid_ebx(HYPERV_CPUID_VERSION);
- hv_host_info_ecx = cpuid_ecx(HYPERV_CPUID_VERSION);
- hv_host_info_edx = cpuid_edx(HYPERV_CPUID_VERSION);
-
- pr_info("Hyper-V: Host Build %d.%d.%d.%d-%d-%d\n",
- hv_host_info_ebx >> 16, hv_host_info_ebx & 0xFFFF,
- hv_host_info_eax, hv_host_info_edx & 0xFFFFFF,
- hv_host_info_ecx, hv_host_info_edx >> 24);
- }
-
if (ms_hyperv.features & HV_ACCESS_FREQUENCY_MSRS &&
ms_hyperv.misc_features & HV_FEATURE_FREQUENCY_MSRS_AVAILABLE) {
x86_platform.calibrate_tsc = hv_get_tsc_khz;
/* To be supported: more work is required. */
ms_hyperv.features &= ~HV_MSR_REFERENCE_TSC_AVAILABLE;
- /* HV_REGISTER_CRASH_CTL is unsupported. */
+ /* HV_MSR_CRASH_CTL is unsupported. */
ms_hyperv.misc_features &= ~HV_FEATURE_GUEST_CRASH_MSR_AVAILABLE;
/* Don't trust Hyper-V's TLB-flushing hypercalls. */
no_timer_check = 1;
#endif
-#if IS_ENABLED(CONFIG_HYPERV) && defined(CONFIG_KEXEC_CORE)
+#if IS_ENABLED(CONFIG_HYPERV)
+#if defined(CONFIG_KEXEC_CORE)
machine_ops.shutdown = hv_machine_shutdown;
+#endif
+#if defined(CONFIG_CRASH_DUMP)
machine_ops.crash_shutdown = hv_machine_crash_shutdown;
+#endif
#endif
if (ms_hyperv.features & HV_ACCESS_TSC_INVARIANT) {
/*
*/
x86_platform.apic_post_init = hyperv_init;
hyperv_setup_mmu_ops();
- /* Setup the IDT for hypervisor callback */
- alloc_intr_gate(HYPERVISOR_CALLBACK_VECTOR, asm_sysvec_hyperv_callback);
- /* Setup the IDT for reenlightenment notifications */
+ /* Install system interrupt handler for hypervisor callback */
+ sysvec_install(HYPERVISOR_CALLBACK_VECTOR, sysvec_hyperv_callback);
+
+ /* Install system interrupt handler for reenlightenment notifications */
if (ms_hyperv.features & HV_ACCESS_REENLIGHTENMENT) {
- alloc_intr_gate(HYPERV_REENLIGHTENMENT_VECTOR,
- asm_sysvec_hyperv_reenlightenment);
+ sysvec_install(HYPERV_REENLIGHTENMENT_VECTOR, sysvec_hyperv_reenlightenment);
}
- /* Setup the IDT for stimer0 */
+ /* Install system interrupt handler for stimer0 */
if (ms_hyperv.misc_features & HV_STIMER_DIRECT_MODE_AVAILABLE) {
- alloc_intr_gate(HYPERV_STIMER0_VECTOR,
- asm_sysvec_hyperv_stimer0);
+ sysvec_install(HYPERV_STIMER0_VECTOR, sysvec_hyperv_stimer0);
}
# ifdef CONFIG_SMP
.init.x2apic_available = ms_hyperv_x2apic_available,
.init.msi_ext_dest_id = ms_hyperv_msi_ext_dest_id,
.init.init_platform = ms_hyperv_init_platform,
+ .init.guest_late_init = ms_hyperv_late_init,
#ifdef CONFIG_AMD_MEM_ENCRYPT
.runtime.sev_es_hcall_prepare = hv_sev_es_hcall_prepare,
.runtime.sev_es_hcall_finish = hv_sev_es_hcall_finish,
git.samba.org / sfrench / cifs-2.6.git / commitdiff