diff options
Diffstat (limited to 'arch/x86/include/asm/x86_init.h')
| -rw-r--r-- | arch/x86/include/asm/x86_init.h | 65 |
1 files changed, 47 insertions, 18 deletions
diff --git a/arch/x86/include/asm/x86_init.h b/arch/x86/include/asm/x86_init.h index e9170457697e..6c8a6ead84f6 100644 --- a/arch/x86/include/asm/x86_init.h +++ b/arch/x86/include/asm/x86_init.h @@ -2,8 +2,6 @@ #ifndef _ASM_X86_PLATFORM_H #define _ASM_X86_PLATFORM_H -#include <asm/bootparam.h> - struct ghcb; struct mpc_bus; struct mpc_cpu; @@ -15,13 +13,15 @@ struct irq_domain; /** * struct x86_init_mpparse - platform specific mpparse ops * @setup_ioapic_ids: platform specific ioapic id override - * @find_smp_config: find the smp configuration - * @get_smp_config: get the smp configuration + * @find_mptable: Find MPTABLE early to reserve the memory region + * @early_parse_smp_cfg: Parse the SMP configuration data early before initmem_init() + * @parse_smp_cfg: Parse the SMP configuration data */ struct x86_init_mpparse { void (*setup_ioapic_ids)(void); - void (*find_smp_config)(void); - void (*get_smp_config)(unsigned int early); + void (*find_mptable)(void); + void (*early_parse_smp_cfg)(void); + void (*parse_smp_cfg)(void); }; /** @@ -30,12 +30,13 @@ struct x86_init_mpparse { * @reserve_resources: reserve the standard resources for the * platform * @memory_setup: platform specific memory setup - * + * @dmi_setup: platform specific DMI setup */ struct x86_init_resources { void (*probe_roms)(void); void (*reserve_resources)(void); char *(*memory_setup)(void); + void (*dmi_setup)(void); }; /** @@ -78,7 +79,7 @@ struct x86_init_paging { /** * struct x86_init_timers - platform specific timer setup - * @setup_perpcu_clockev: set up the per cpu clock event device for the + * @setup_percpu_clockev: set up the per cpu clock event device for the * boot cpu * @timer_init: initialize the platform timer (default PIT/HPET) * @wallclock_init: init the wallclock device @@ -131,7 +132,7 @@ struct x86_hyper_init { /** * struct x86_init_acpi - x86 ACPI init functions - * @set_root_poitner: set RSDP address + * @set_root_pointer: set RSDP address * @get_root_pointer: get RSDP address * @reduced_hw_early_init: hardware reduced platform early init */ @@ -144,16 +145,26 @@ struct x86_init_acpi { /** * struct x86_guest - Functions used by misc guest incarnations like SEV, TDX, etc. * - * @enc_status_change_prepare Notify HV before the encryption status of a range is changed - * @enc_status_change_finish Notify HV after the encryption status of a range is changed - * @enc_tlb_flush_required Returns true if a TLB flush is needed before changing page encryption status - * @enc_cache_flush_required Returns true if a cache flush is needed before changing page encryption status + * @enc_status_change_prepare: Notify HV before the encryption status of a range is changed + * @enc_status_change_finish: Notify HV after the encryption status of a range is changed + * @enc_tlb_flush_required: Returns true if a TLB flush is needed before changing page encryption status + * @enc_cache_flush_required: Returns true if a cache flush is needed before changing page encryption status + * @enc_kexec_begin: Begin the two-step process of converting shared memory back + * to private. It stops the new conversions from being started + * and waits in-flight conversions to finish, if possible. + * @enc_kexec_finish: Finish the two-step process of converting shared memory to + * private. All memory is private after the call when + * the function returns. + * It is called on only one CPU while the others are shut down + * and with interrupts disabled. */ struct x86_guest { - void (*enc_status_change_prepare)(unsigned long vaddr, int npages, bool enc); - bool (*enc_status_change_finish)(unsigned long vaddr, int npages, bool enc); + int (*enc_status_change_prepare)(unsigned long vaddr, int npages, bool enc); + int (*enc_status_change_finish)(unsigned long vaddr, int npages, bool enc); bool (*enc_tlb_flush_required)(bool enc); bool (*enc_cache_flush_required)(void); + void (*enc_kexec_begin)(void); + void (*enc_kexec_finish)(void); }; /** @@ -177,11 +188,14 @@ struct x86_init_ops { * struct x86_cpuinit_ops - platform specific cpu hotplug setups * @setup_percpu_clockev: set up the per cpu clock event device * @early_percpu_clock_init: early init of the per cpu clock event device + * @fixup_cpu_id: fixup function for cpuinfo_x86::topo.pkg_id + * @parallel_bringup: Parallel bringup control */ struct x86_cpuinit_ops { void (*setup_percpu_clockev)(void); void (*early_percpu_clock_init)(void); void (*fixup_cpu_id)(struct cpuinfo_x86 *c, int node); + bool parallel_bringup; }; struct timespec64; @@ -215,7 +229,7 @@ struct x86_legacy_devices { * given platform/subarch. * @X86_LEGACY_I8042_FIRMWARE_ABSENT: firmware reports that the controller * is absent. - * @X86_LEGACY_i8042_EXPECTED_PRESENT: the controller is likely to be + * @X86_LEGACY_I8042_EXPECTED_PRESENT: the controller is likely to be * present, the i8042 driver should probe for controller existence. */ enum x86_legacy_i8042_state { @@ -230,6 +244,8 @@ enum x86_legacy_i8042_state { * @i8042: indicated if we expect the device to have i8042 controller * present. * @rtc: this device has a CMOS real-time clock present + * @warm_reset: 1 if platform allows warm reset, else 0 + * @no_vga: 1 if (FADT.boot_flags & ACPI_FADT_NO_VGA) is set, else 0 * @reserve_bios_regions: boot code will search for the EBDA address and the * start of the 640k - 1M BIOS region. If false, the platform must * ensure that its memory map correctly reserves sub-1MB regions as needed. @@ -259,11 +275,15 @@ struct x86_legacy_features { * VMMCALL under SEV-ES. Needs to return 'false' * if the checks fail. Called from the #VC * exception handler. + * @is_private_mmio: For CoCo VMs, must map MMIO address as private. + * Used when device is emulated by a paravisor + * layer in the VM context. */ struct x86_hyper_runtime { void (*pin_vcpu)(int cpu); void (*sev_es_hcall_prepare)(struct ghcb *ghcb, struct pt_regs *regs); bool (*sev_es_hcall_finish)(struct ghcb *ghcb, struct pt_regs *regs); + bool (*is_private_mmio)(u64 addr); }; /** @@ -272,8 +292,10 @@ struct x86_hyper_runtime { * @calibrate_tsc: calibrate TSC, if different from CPU * @get_wallclock: get time from HW clock like RTC etc. * @set_wallclock: set time back to HW clock - * @is_untracked_pat_range exclude from PAT logic - * @nmi_init enable NMI on cpus + * @iommu_shutdown: set by an IOMMU driver for shutdown if necessary + * @is_untracked_pat_range: exclude from PAT logic + * @nmi_init: enable NMI on cpus + * @get_nmi_reason: get the reason an NMI was received * @save_sched_clock_state: save state for sched_clock() on suspend * @restore_sched_clock_state: restore state for sched_clock() on resume * @apic_post_init: adjust apic if needed @@ -285,7 +307,10 @@ struct x86_hyper_runtime { * possible in x86_early_init_platform_quirks() by * only using the current x86_hardware_subarch * semantics. + * @realmode_reserve: reserve memory for realmode trampoline + * @realmode_init: initialize realmode trampoline * @hyper: x86 hypervisor specific runtime callbacks + * @guest: guest incarnations callbacks */ struct x86_platform_ops { unsigned long (*calibrate_cpu)(void); @@ -301,6 +326,8 @@ struct x86_platform_ops { void (*apic_post_init)(void); struct x86_legacy_features legacy; void (*set_legacy_features)(void); + void (*realmode_reserve)(void); + void (*realmode_init)(void); struct x86_hyper_runtime hyper; struct x86_guest guest; }; @@ -322,5 +349,7 @@ extern void x86_init_uint_noop(unsigned int unused); extern bool bool_x86_init_noop(void); extern void x86_op_int_noop(int cpu); extern bool x86_pnpbios_disabled(void); +extern int set_rtc_noop(const struct timespec64 *now); +extern void get_rtc_noop(struct timespec64 *now); #endif |