Add state structs and function declarations for the uefi-vars device. Signed-off-by: Gerd Hoffmann <kra...@redhat.com> --- include/hw/uefi/var-service.h | 119 ++++++++++++++++++++++++++++++++++ 1 file changed, 119 insertions(+) create mode 100644 include/hw/uefi/var-service.h
diff --git a/include/hw/uefi/var-service.h b/include/hw/uefi/var-service.h new file mode 100644 index 000000000000..2b8d3052e59f --- /dev/null +++ b/include/hw/uefi/var-service.h @@ -0,0 +1,119 @@ +/* + * SPDX-License-Identifier: GPL-2.0-or-later + * + * uefi-vars device - state struct and function prototypes + */ +#ifndef QEMU_UEFI_VAR_SERVICE_H +#define QEMU_UEFI_VAR_SERVICE_H + +#include "qemu/uuid.h" +#include "qemu/queue.h" + +#include "hw/uefi/var-service-edk2.h" + +#define MAX_BUFFER_SIZE (64 * 1024) + +typedef struct uefi_variable uefi_variable; +typedef struct uefi_var_policy uefi_var_policy; +typedef struct uefi_vars_state uefi_vars_state; + +struct uefi_variable { + QemuUUID guid; + uint16_t *name; + uint32_t name_size; + uint32_t attributes; + void *data; + uint32_t data_size; + QTAILQ_ENTRY(uefi_variable) next; +}; + +struct uefi_var_policy { + variable_policy_entry *entry; + uint32_t entry_size; + uint16_t *name; + uint32_t name_size; + uint32_t hashmarks; + QTAILQ_ENTRY(uefi_var_policy) next; +}; + +struct uefi_vars_state { + MemoryRegion mr; + uint16_t sts; + uint32_t buf_size; + uint32_t buf_addr_lo; + uint32_t buf_addr_hi; + uint8_t *buffer; + QTAILQ_HEAD(, uefi_variable) variables; + QTAILQ_HEAD(, uefi_var_policy) var_policies; + + /* boot phases */ + bool end_of_dxe; + bool ready_to_boot; + bool exit_boot_service; + bool policy_locked; + + /* storage accounting */ + uint64_t max_storage; + uint64_t used_storage; + + char *jsonfile; + int jsonfd; +}; + +/* vars-service-guid.c */ +extern QemuUUID EfiGlobalVariable; +extern QemuUUID EfiImageSecurityDatabase; +extern QemuUUID EfiCustomModeEnable; +extern QemuUUID EfiSecureBootEnableDisable; +extern QemuUUID EfiSmmVariableProtocolGuid; +extern QemuUUID VarCheckPolicyLibMmiHandlerGuid; +extern QemuUUID EfiEndOfDxeEventGroupGuid; +extern QemuUUID EfiEventReadyToBootGuid; +extern QemuUUID EfiEventExitBootServicesGuid; + +/* vars-service-core.c */ +extern const VMStateDescription vmstate_uefi_vars; +size_t uefi_strlen(const uint16_t *str, size_t len); +gboolean uefi_str_equal(const uint16_t *a, size_t alen, + const uint16_t *b, size_t blen); +char *uefi_ucs2_to_ascii(const uint16_t *ucs2, uint64_t ucs2_size); +void uefi_trace_variable(const char *action, QemuUUID guid, + const uint16_t *name, uint64_t name_size); +void uefi_trace_status(const char *action, efi_status status); +void uefi_vars_init(Object *obj, uefi_vars_state *uv); +void uefi_vars_realize(uefi_vars_state *uv, Error **errp); +void uefi_vars_hard_reset(uefi_vars_state *uv); + +/* vars-service-json.c */ +void uefi_vars_json_init(uefi_vars_state *uv, Error **errp); +void uefi_vars_json_save(uefi_vars_state *uv); +void uefi_vars_json_load(uefi_vars_state *uv, Error **errp); + +/* vars-service-vars.c */ +extern const VMStateDescription vmstate_uefi_variable; +uefi_variable *uefi_vars_find_variable(uefi_vars_state *uv, QemuUUID guid, + const uint16_t *name, + uint64_t name_size); +void uefi_vars_set_variable(uefi_vars_state *uv, QemuUUID guid, + const uint16_t *name, uint64_t name_size, + uint32_t attributes, + void *data, uint64_t data_size); +void uefi_vars_clear_volatile(uefi_vars_state *uv); +void uefi_vars_clear_all(uefi_vars_state *uv); +void uefi_vars_update_storage(uefi_vars_state *uv); +uint32_t uefi_vars_mm_vars_proto(uefi_vars_state *uv); + +/* vars-service-auth.c */ +void uefi_vars_auth_init(uefi_vars_state *uv); + +/* vars-service-policy.c */ +extern const VMStateDescription vmstate_uefi_var_policy; +efi_status uefi_vars_policy_check(uefi_vars_state *uv, + uefi_variable *var, + gboolean is_newvar); +void uefi_vars_policies_clear(uefi_vars_state *uv); +uefi_var_policy *uefi_vars_add_policy(uefi_vars_state *uv, + variable_policy_entry *pe); +uint32_t uefi_vars_mm_check_policy_proto(uefi_vars_state *uv); + +#endif /* QEMU_UEFI_VAR_SERVICE_H */ -- 2.41.0