diff options
Diffstat (limited to 'include')
| -rw-r--r-- | include/hw/i386/x86.h | 3 | ||||
| -rw-r--r-- | include/qemu/log.h | 2 | ||||
| -rw-r--r-- | include/system/confidential-guest-support.h | 88 | ||||
| -rw-r--r-- | include/system/igvm-cfg.h | 49 |
4 files changed, 142 insertions, 0 deletions
diff --git a/include/hw/i386/x86.h b/include/hw/i386/x86.h index fc460b82f8..8755cad50a 100644 --- a/include/hw/i386/x86.h +++ b/include/hw/i386/x86.h @@ -25,6 +25,7 @@ #include "hw/intc/ioapic.h" #include "hw/isa/isa.h" #include "qom/object.h" +#include "system/igvm-cfg.h" struct X86MachineClass { MachineClass parent; @@ -92,6 +93,8 @@ struct X86MachineState { * which means no limitation on the guest's bus locks. */ uint64_t bus_lock_ratelimit; + + IgvmCfg *igvm; }; #define X86_MACHINE_SMM "smm" diff --git a/include/qemu/log.h b/include/qemu/log.h index 60da703e67..aae72985f0 100644 --- a/include/qemu/log.h +++ b/include/qemu/log.h @@ -84,6 +84,8 @@ typedef struct QEMULogItem { extern const QEMULogItem qemu_log_items[]; +ssize_t rust_fwrite(const void *ptr, size_t size, size_t nmemb, FILE *stream); + bool qemu_set_log(int log_flags, Error **errp); bool qemu_set_log_filename(const char *filename, Error **errp); bool qemu_set_log_filename_flags(const char *name, int flags, Error **errp); diff --git a/include/system/confidential-guest-support.h b/include/system/confidential-guest-support.h index ea46b50c56..0cc8b26e64 100644 --- a/include/system/confidential-guest-support.h +++ b/include/system/confidential-guest-support.h @@ -19,6 +19,7 @@ #define QEMU_CONFIDENTIAL_GUEST_SUPPORT_H #include "qom/object.h" +#include "exec/hwaddr.h" #define TYPE_CONFIDENTIAL_GUEST_SUPPORT "confidential-guest-support" OBJECT_DECLARE_TYPE(ConfidentialGuestSupport, @@ -26,6 +27,40 @@ OBJECT_DECLARE_TYPE(ConfidentialGuestSupport, CONFIDENTIAL_GUEST_SUPPORT) +typedef enum ConfidentialGuestPlatformType { + CGS_PLATFORM_SEV, + CGS_PLATFORM_SEV_ES, + CGS_PLATFORM_SEV_SNP, +} ConfidentialGuestPlatformType; + +typedef enum ConfidentialGuestMemoryType { + CGS_MEM_RAM, + CGS_MEM_RESERVED, + CGS_MEM_ACPI, + CGS_MEM_NVS, + CGS_MEM_UNUSABLE, +} ConfidentialGuestMemoryType; + +typedef struct ConfidentialGuestMemoryMapEntry { + uint64_t gpa; + uint64_t size; + ConfidentialGuestMemoryType type; +} ConfidentialGuestMemoryMapEntry; + +typedef enum ConfidentialGuestPageType { + CGS_PAGE_TYPE_NORMAL, + CGS_PAGE_TYPE_VMSA, + CGS_PAGE_TYPE_ZERO, + CGS_PAGE_TYPE_UNMEASURED, + CGS_PAGE_TYPE_SECRETS, + CGS_PAGE_TYPE_CPUID, + CGS_PAGE_TYPE_REQUIRED_MEMORY, +} ConfidentialGuestPageType; + +typedef enum ConfidentialGuestPolicyType { + GUEST_POLICY_SEV, +} ConfidentialGuestPolicyType; + struct ConfidentialGuestSupport { Object parent; @@ -64,6 +99,59 @@ typedef struct ConfidentialGuestSupportClass { int (*kvm_init)(ConfidentialGuestSupport *cgs, Error **errp); int (*kvm_reset)(ConfidentialGuestSupport *cgs, Error **errp); + + /* + * Check to see if this confidential guest supports a particular + * platform or configuration. + * + * Return true if supported or false if not supported. + */ + bool (*check_support)(ConfidentialGuestPlatformType platform, + uint16_t platform_version, uint8_t highest_vtl, + uint64_t shared_gpa_boundary); + + /* + * Configure part of the state of a guest for a particular set of data, page + * type and gpa. This can be used for example to pre-populate and measure + * guest memory contents, define private ranges or set the initial CPU state + * for one or more CPUs. + * + * If memory_type is CGS_PAGE_TYPE_VMSA then ptr points to the initial CPU + * context for a virtual CPU. The format of the data depends on the type of + * confidential virtual machine. For example, for SEV-ES ptr will point to a + * vmcb_save_area structure that should be copied into guest memory at the + * address specified in gpa. The cpu_index parameter contains the index of + * the CPU the VMSA applies to. + */ + int (*set_guest_state)(hwaddr gpa, uint8_t *ptr, uint64_t len, + ConfidentialGuestPageType memory_type, + uint16_t cpu_index, Error **errp); + + /* + * Set the guest policy. The policy can be used to configure the + * confidential platform, such as if debug is enabled or not and can contain + * information about expected launch measurements, signed verification of + * guest configuration and other platform data. + * + * The format of the policy data is specific to each platform. For example, + * SEV-SNP uses a policy bitfield in the 'policy' argument and provides an + * ID block and ID authentication in the 'policy_data' parameters. The type + * of policy data is identified by the 'policy_type' argument. + */ + int (*set_guest_policy)(ConfidentialGuestPolicyType policy_type, + uint64_t policy, + void *policy_data1, uint32_t policy_data1_size, + void *policy_data2, uint32_t policy_data2_size, + Error **errp); + + /* + * Iterate the system memory map, getting the entry with the given index + * that can be populated into guest memory. + * + * Returns 0 for ok, 1 if the index is out of range and -1 on error. + */ + int (*get_mem_map_entry)(int index, ConfidentialGuestMemoryMapEntry *entry, + Error **errp); } ConfidentialGuestSupportClass; static inline int confidential_guest_kvm_init(ConfidentialGuestSupport *cgs, diff --git a/include/system/igvm-cfg.h b/include/system/igvm-cfg.h new file mode 100644 index 0000000000..944f23a814 --- /dev/null +++ b/include/system/igvm-cfg.h @@ -0,0 +1,49 @@ +/* + * QEMU IGVM interface + * + * Copyright (C) 2024 SUSE + * + * Authors: + * Roy Hopkins <roy.hopkins@randomman.co.uk> + * + * SPDX-License-Identifier: GPL-2.0-or-later + */ + +#ifndef QEMU_IGVM_CFG_H +#define QEMU_IGVM_CFG_H + +#include "qom/object.h" + +typedef struct IgvmCfg { + ObjectClass parent_class; + + /* + * filename: Filename that specifies a file that contains the configuration + * of the guest in Independent Guest Virtual Machine (IGVM) + * format. + */ + char *filename; +} IgvmCfg; + +typedef struct IgvmCfgClass { + ObjectClass parent_class; + + /* + * If an IGVM filename has been specified then process the IGVM file. + * Performs a no-op if no filename has been specified. + * If onlyVpContext is true then only the IGVM_VHT_VP_CONTEXT entries + * in the IGVM file will be processed, allowing information about the + * CPU state to be determined before processing the entire file. + * + * Returns 0 for ok and -1 on error. + */ + int (*process)(IgvmCfg *cfg, ConfidentialGuestSupport *cgs, + bool onlyVpContext, Error **errp); + +} IgvmCfgClass; + +#define TYPE_IGVM_CFG "igvm-cfg" + +OBJECT_DECLARE_TYPE(IgvmCfg, IgvmCfgClass, IGVM_CFG) + +#endif |