11 #include "hw/uefi/var-service.h"
12 #include "hw/uefi/var-service-api.h"
13 #include "hw/uefi/var-service-edk2.h"
57     uefi_variable *var;  in uefi_vars_find_variable()  local
59     QTAILQ_FOREACH(var, &uv->variables, next) {  in uefi_vars_find_variable()
60         if (!uefi_str_equal(var->name, var->name_size,  in uefi_vars_find_variable()
64         if (!qemu_uuid_is_equal(&var->guid, &guid)) {  in uefi_vars_find_variable()
67         if (!var->data_size) {  in uefi_vars_find_variable()
71         return var;  in uefi_vars_find_variable()
80     uefi_variable *var;  in add_variable()  local
82     var = g_new0(uefi_variable, 1);  in add_variable()
83     var->guid = guid;  in add_variable()
84     var->name = g_malloc(name_size);  in add_variable()
85     memcpy(var->name, name, name_size);  in add_variable()
86     var->name_size = name_size;  in add_variable()
87     var->attributes = attributes;  in add_variable()
89     var->attributes &= ~EFI_VARIABLE_APPEND_WRITE;  in add_variable()
91     QTAILQ_INSERT_TAIL(&uv->variables, var, next);  in add_variable()
92     return var;  in add_variable()
95 static void del_variable(uefi_vars_state *uv, uefi_variable *var)  in del_variable()  argument
97     if (!var) {  in del_variable()
101     QTAILQ_REMOVE(&uv->variables, var, next);  in del_variable()
102     g_free(var->data);  in del_variable()
103     g_free(var->name);  in del_variable()
104     g_free(var->digest);  in del_variable()
105     g_free(var);  in del_variable()
108 static size_t variable_size(uefi_variable *var)  in variable_size()  argument
112     size  = sizeof(*var);  in variable_size()
113     size += var->name_size;  in variable_size()
114     size += var->data_size;  in variable_size()
115     size += var->digest_size;  in variable_size()
143     uefi_variable *var, *n;  in uefi_vars_clear_volatile()  local
145     QTAILQ_FOREACH_SAFE(var, &uv->variables, next, n) {  in uefi_vars_clear_volatile()
146         if (var->attributes & EFI_VARIABLE_NON_VOLATILE) {  in uefi_vars_clear_volatile()
149         uv->used_storage -= variable_size(var);  in uefi_vars_clear_volatile()
150         del_variable(uv, var);  in uefi_vars_clear_volatile()
156     uefi_variable *var, *n;  in uefi_vars_clear_all()  local
158     QTAILQ_FOREACH_SAFE(var, &uv->variables, next, n) {  in uefi_vars_clear_all()
159         del_variable(uv, var);  in uefi_vars_clear_all()
166     uefi_variable *var;  in uefi_vars_update_storage()  local
169     QTAILQ_FOREACH(var, &uv->variables, next) {  in uefi_vars_update_storage()
170         uv->used_storage += variable_size(var);  in uefi_vars_update_storage()
174 static gboolean check_access(uefi_vars_state *uv, uefi_variable *var)  in check_access()  argument
177         if (!(var->attributes & EFI_VARIABLE_BOOTSERVICE_ACCESS)) {  in check_access()
181         if (!(var->attributes & EFI_VARIABLE_RUNTIME_ACCESS)) {  in check_access()
269     uefi_variable *var;  in uefi_vars_mm_get_variable()  local
296     var = uefi_vars_find_variable(uv, va->guid, name, va->name_size);  in uefi_vars_mm_get_variable()
297     if (!var) {  in uefi_vars_mm_get_variable()
302     if (!check_access(uv, var)) {  in uefi_vars_mm_get_variable()
314     va->attributes = var->attributes;  in uefi_vars_mm_get_variable()
315     if (va->data_size < var->data_size) {  in uefi_vars_mm_get_variable()
316         va->data_size = var->data_size;  in uefi_vars_mm_get_variable()
320         va->data_size = var->data_size;  in uefi_vars_mm_get_variable()
321         memcpy(data, var->data, var->data_size);  in uefi_vars_mm_get_variable()
332     uefi_variable *var;  in uefi_vars_mm_get_next_variable()  local
359         var = QTAILQ_FIRST(&uv->variables);  in uefi_vars_mm_get_next_variable()
360         if (!var) {  in uefi_vars_mm_get_next_variable()
364         var = uefi_vars_find_variable(uv, nv->guid, name, nv->name_size);  in uefi_vars_mm_get_next_variable()
365         if (!var) {  in uefi_vars_mm_get_next_variable()
369             var = QTAILQ_NEXT(var, next);  in uefi_vars_mm_get_next_variable()
370         } while (var && !check_access(uv, var));  in uefi_vars_mm_get_next_variable()
371         if (!var) {  in uefi_vars_mm_get_next_variable()
376     length = sizeof(*mvar) + sizeof(*nv) + var->name_size;  in uefi_vars_mm_get_next_variable()
381     nv->guid = var->guid;  in uefi_vars_mm_get_next_variable()
382     nv->name_size = var->name_size;  in uefi_vars_mm_get_next_variable()
383     memcpy(name, var->name, var->name_size);  in uefi_vars_mm_get_next_variable()
654         "var-check-prop-set",  in uefi_vars_mm_vars_proto()
655         "var-check-prop-get",  in uefi_vars_mm_vars_proto()