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Diffstat (limited to 'cmd/eficonfig.c')
-rw-r--r--cmd/eficonfig.c410
1 files changed, 7 insertions, 403 deletions
diff --git a/cmd/eficonfig.c b/cmd/eficonfig.c
index 720f52b..e6e8a0a 100644
--- a/cmd/eficonfig.c
+++ b/cmd/eficonfig.c
@@ -1135,43 +1135,6 @@ out:
}
/**
- * eficonfig_get_unused_bootoption() - get unused "Boot####" index
- *
- * @buf: pointer to the buffer to store boot option variable name
- * @buf_size: buffer size
- * @index: pointer to store the index in the BootOrder variable
- * Return: status code
- */
-efi_status_t eficonfig_get_unused_bootoption(u16 *buf, efi_uintn_t buf_size,
- unsigned int *index)
-{
- u32 i;
- efi_status_t ret;
- efi_uintn_t size;
-
- if (buf_size < u16_strsize(u"Boot####"))
- return EFI_BUFFER_TOO_SMALL;
-
- for (i = 0; i <= 0xFFFF; i++) {
- size = 0;
- efi_create_indexed_name(buf, buf_size, "Boot", i);
- ret = efi_get_variable_int(buf, &efi_global_variable_guid,
- NULL, &size, NULL, NULL);
- if (ret == EFI_BUFFER_TOO_SMALL)
- continue;
- else
- break;
- }
-
- if (i > 0xFFFF)
- return EFI_OUT_OF_RESOURCES;
-
- *index = i;
-
- return EFI_SUCCESS;
-}
-
-/**
* eficonfig_set_boot_option() - set boot option
*
* @varname: pointer to variable name
@@ -1209,46 +1172,6 @@ static efi_status_t eficonfig_set_boot_option(u16 *varname, struct efi_device_pa
}
/**
- * eficonfig_append_bootorder() - append new boot option in BootOrder variable
- *
- * @index: "Boot####" index to append to BootOrder variable
- * Return: status code
- */
-efi_status_t eficonfig_append_bootorder(u16 index)
-{
- u16 *bootorder;
- efi_status_t ret;
- u16 *new_bootorder = NULL;
- efi_uintn_t last, size, new_size;
-
- /* append new boot option */
- bootorder = efi_get_var(u"BootOrder", &efi_global_variable_guid, &size);
- last = size / sizeof(u16);
- new_size = size + sizeof(u16);
- new_bootorder = calloc(1, new_size);
- if (!new_bootorder) {
- ret = EFI_OUT_OF_RESOURCES;
- goto out;
- }
- memcpy(new_bootorder, bootorder, size);
- new_bootorder[last] = index;
-
- ret = efi_set_variable_int(u"BootOrder", &efi_global_variable_guid,
- EFI_VARIABLE_NON_VOLATILE |
- EFI_VARIABLE_BOOTSERVICE_ACCESS |
- EFI_VARIABLE_RUNTIME_ACCESS,
- new_size, new_bootorder, false);
- if (ret != EFI_SUCCESS)
- goto out;
-
-out:
- free(bootorder);
- free(new_bootorder);
-
- return ret;
-}
-
-/**
* create_boot_option_entry() - create boot option entry
*
* @efi_menu: pointer to the efimenu structure
@@ -1619,7 +1542,7 @@ static efi_status_t eficonfig_process_add_boot_option(void *data)
if (!bo)
return EFI_OUT_OF_RESOURCES;
- ret = eficonfig_get_unused_bootoption(varname, sizeof(varname), &bo->boot_index);
+ ret = efi_bootmgr_get_unused_bootoption(varname, sizeof(varname), &bo->boot_index);
if (ret != EFI_SUCCESS)
return ret;
@@ -1627,7 +1550,7 @@ static efi_status_t eficonfig_process_add_boot_option(void *data)
if (ret != EFI_SUCCESS)
goto out;
- ret = eficonfig_append_bootorder((u16)bo->boot_index);
+ ret = efi_bootmgr_append_bootorder((u16)bo->boot_index);
if (ret != EFI_SUCCESS)
goto out;
@@ -1657,31 +1580,6 @@ static efi_status_t eficonfig_process_boot_selected(void *data)
}
/**
- * search_bootorder() - search the boot option index in BootOrder
- *
- * @bootorder: pointer to the BootOrder variable
- * @num: number of BootOrder entry
- * @target: target boot option index to search
- * @index: pointer to store the index of BootOrder variable
- * Return: true if exists, false otherwise
- */
-static bool search_bootorder(u16 *bootorder, efi_uintn_t num, u32 target, u32 *index)
-{
- u32 i;
-
- for (i = 0; i < num; i++) {
- if (target == bootorder[i]) {
- if (index)
- *index = i;
-
- return true;
- }
- }
-
- return false;
-}
-
-/**
* eficonfig_add_boot_selection_entry() - add boot option menu entry
*
* @efi_menu: pointer to store the efimenu structure
@@ -1805,7 +1703,7 @@ static efi_status_t eficonfig_show_boot_selection(unsigned int *selected)
if (efi_varname_is_load_option(var_name16, &index)) {
/* If the index is included in the BootOrder, skip it */
- if (search_bootorder(bootorder, num, index, NULL))
+ if (efi_search_bootorder(bootorder, num, index, NULL))
continue;
ret = eficonfig_add_boot_selection_entry(efi_menu, index, selected);
@@ -2202,7 +2100,7 @@ static efi_status_t eficonfig_create_change_boot_order_entry(struct efimenu *efi
if (efi_varname_is_load_option(var_name16, &index)) {
/* If the index is included in the BootOrder, skip it */
- if (search_bootorder(bootorder, num, index, NULL))
+ if (efi_search_bootorder(bootorder, num, index, NULL))
continue;
ret = eficonfig_add_change_boot_order_entry(efi_menu, index, false);
@@ -2305,50 +2203,6 @@ out:
}
/**
- * delete_boot_option() - delete selected boot option
- *
- * @boot_index: boot option index to delete
- * Return: status code
- */
-static efi_status_t delete_boot_option(u16 boot_index)
-{
- u16 *bootorder;
- u16 varname[9];
- efi_status_t ret;
- unsigned int index;
- efi_uintn_t num, size;
-
- efi_create_indexed_name(varname, sizeof(varname),
- "Boot", boot_index);
- ret = efi_set_variable_int(varname, &efi_global_variable_guid,
- 0, 0, NULL, false);
- if (ret != EFI_SUCCESS) {
- log_err("delete boot option(%ls) failed\n", varname);
- return ret;
- }
-
- /* update BootOrder if necessary */
- bootorder = efi_get_var(u"BootOrder", &efi_global_variable_guid, &size);
- if (!bootorder)
- return EFI_SUCCESS;
-
- num = size / sizeof(u16);
- if (!search_bootorder(bootorder, num, boot_index, &index))
- return EFI_SUCCESS;
-
- memmove(&bootorder[index], &bootorder[index + 1],
- (num - index - 1) * sizeof(u16));
- size -= sizeof(u16);
- ret = efi_set_variable_int(u"BootOrder", &efi_global_variable_guid,
- EFI_VARIABLE_NON_VOLATILE |
- EFI_VARIABLE_BOOTSERVICE_ACCESS |
- EFI_VARIABLE_RUNTIME_ACCESS,
- size, bootorder, false);
-
- return ret;
-}
-
-/**
* eficonfig_process_delete_boot_option() - handler to delete boot option
*
* @data: pointer to the data for each entry
@@ -2362,7 +2216,7 @@ static efi_status_t eficonfig_process_delete_boot_option(void *data)
while (1) {
ret = eficonfig_show_boot_selection(&selected);
if (ret == EFI_SUCCESS)
- ret = delete_boot_option(selected);
+ ret = efi_bootmgr_delete_boot_option(selected);
if (ret != EFI_SUCCESS)
break;
@@ -2375,256 +2229,6 @@ static efi_status_t eficonfig_process_delete_boot_option(void *data)
}
/**
- * eficonfig_enumerate_boot_option() - enumerate the possible bootable media
- *
- * @opt: pointer to the media boot option structure
- * @volume_handles: pointer to the efi handles
- * @count: number of efi handle
- * Return: status code
- */
-efi_status_t eficonfig_enumerate_boot_option(struct eficonfig_media_boot_option *opt,
- efi_handle_t *volume_handles, efi_status_t count)
-{
- u32 i;
- struct efi_handler *handler;
- efi_status_t ret = EFI_SUCCESS;
-
- for (i = 0; i < count; i++) {
- u16 *p;
- u16 dev_name[BOOTMENU_DEVICE_NAME_MAX];
- char *optional_data;
- struct efi_load_option lo;
- char buf[BOOTMENU_DEVICE_NAME_MAX];
- struct efi_device_path *device_path;
-
- ret = efi_search_protocol(volume_handles[i], &efi_guid_device_path, &handler);
- if (ret != EFI_SUCCESS)
- continue;
- ret = efi_protocol_open(handler, (void **)&device_path,
- efi_root, NULL, EFI_OPEN_PROTOCOL_GET_PROTOCOL);
- if (ret != EFI_SUCCESS)
- continue;
-
- ret = efi_disk_get_device_name(volume_handles[i], buf, BOOTMENU_DEVICE_NAME_MAX);
- if (ret != EFI_SUCCESS)
- continue;
-
- p = dev_name;
- utf8_utf16_strncpy(&p, buf, strlen(buf));
-
- lo.label = dev_name;
- lo.attributes = LOAD_OPTION_ACTIVE;
- lo.file_path = device_path;
- lo.file_path_length = efi_dp_size(device_path) + sizeof(END);
- /*
- * Set the dedicated guid to optional_data, it is used to identify
- * the boot option that automatically generated by the bootmenu.
- * efi_serialize_load_option() expects optional_data is null-terminated
- * utf8 string, so set the "1234567" string to allocate enough space
- * to store guid, instead of realloc the load_option.
- */
- lo.optional_data = "1234567";
- opt[i].size = efi_serialize_load_option(&lo, (u8 **)&opt[i].lo);
- if (!opt[i].size) {
- ret = EFI_OUT_OF_RESOURCES;
- goto out;
- }
- /* set the guid */
- optional_data = (char *)opt[i].lo + (opt[i].size - u16_strsize(u"1234567"));
- memcpy(optional_data, &efi_guid_bootmenu_auto_generated, sizeof(efi_guid_t));
- }
-
-out:
- return ret;
-}
-
-/**
- * eficonfig_delete_invalid_boot_option() - delete non-existing boot option
- *
- * @opt: pointer to the media boot option structure
- * @count: number of media boot option structure
- * Return: status code
- */
-efi_status_t eficonfig_delete_invalid_boot_option(struct eficonfig_media_boot_option *opt,
- efi_status_t count)
-{
- efi_uintn_t size;
- void *load_option;
- u32 i, list_size = 0;
- struct efi_load_option lo;
- u16 *var_name16 = NULL;
- u16 varname[] = u"Boot####";
- efi_status_t ret = EFI_SUCCESS;
- u16 *delete_index_list = NULL, *p;
- efi_uintn_t buf_size;
-
- buf_size = 128;
- var_name16 = malloc(buf_size);
- if (!var_name16)
- return EFI_OUT_OF_RESOURCES;
-
- var_name16[0] = 0;
- for (;;) {
- int index;
- efi_guid_t guid;
- efi_uintn_t tmp;
-
- ret = efi_next_variable_name(&buf_size, &var_name16, &guid);
- if (ret == EFI_NOT_FOUND) {
- /*
- * EFI_NOT_FOUND indicates we retrieved all EFI variables.
- * This should be treated as success.
- */
- ret = EFI_SUCCESS;
- break;
- }
- if (ret != EFI_SUCCESS)
- goto out;
-
- if (!efi_varname_is_load_option(var_name16, &index))
- continue;
-
- efi_create_indexed_name(varname, sizeof(varname), "Boot", index);
- load_option = efi_get_var(varname, &efi_global_variable_guid, &size);
- if (!load_option)
- continue;
-
- tmp = size;
- ret = efi_deserialize_load_option(&lo, load_option, &size);
- if (ret != EFI_SUCCESS)
- goto next;
-
- if (size >= sizeof(efi_guid_bootmenu_auto_generated) &&
- !guidcmp(lo.optional_data, &efi_guid_bootmenu_auto_generated)) {
- for (i = 0; i < count; i++) {
- if (opt[i].size == tmp &&
- memcmp(opt[i].lo, load_option, tmp) == 0) {
- opt[i].exist = true;
- break;
- }
- }
-
- /*
- * The entire list of variables must be retrieved by
- * efi_get_next_variable_name_int() before deleting the invalid
- * boot option, just save the index here.
- */
- if (i == count) {
- p = realloc(delete_index_list, sizeof(u32) *
- (list_size + 1));
- if (!p) {
- ret = EFI_OUT_OF_RESOURCES;
- goto out;
- }
- delete_index_list = p;
- delete_index_list[list_size++] = index;
- }
- }
-next:
- free(load_option);
- }
-
- /* delete all invalid boot options */
- for (i = 0; i < list_size; i++) {
- ret = delete_boot_option(delete_index_list[i]);
- if (ret != EFI_SUCCESS)
- goto out;
- }
-
-out:
- free(var_name16);
- free(delete_index_list);
-
- return ret;
-}
-
-/**
- * eficonfig_generate_media_device_boot_option() - generate the media device boot option
- *
- * This function enumerates all devices supporting EFI_SIMPLE_FILE_SYSTEM_PROTOCOL
- * and generate the bootmenu entries.
- * This function also provide the BOOT#### variable maintenance for
- * the media device entries.
- * - Automatically create the BOOT#### variable for the newly detected device,
- * this BOOT#### variable is distinguished by the special GUID
- * stored in the EFI_LOAD_OPTION.optional_data
- * - If the device is not attached to the system, the associated BOOT#### variable
- * is automatically deleted.
- *
- * Return: status code
- */
-efi_status_t eficonfig_generate_media_device_boot_option(void)
-{
- u32 i;
- efi_status_t ret;
- efi_uintn_t count;
- efi_handle_t *volume_handles = NULL;
- struct eficonfig_media_boot_option *opt = NULL;
-
- ret = efi_locate_handle_buffer_int(BY_PROTOCOL, &efi_simple_file_system_protocol_guid,
- NULL, &count, (efi_handle_t **)&volume_handles);
- if (ret != EFI_SUCCESS)
- return ret;
-
- opt = calloc(count, sizeof(struct eficonfig_media_boot_option));
- if (!opt)
- goto out;
-
- /* enumerate all devices supporting EFI_SIMPLE_FILE_SYSTEM_PROTOCOL */
- ret = eficonfig_enumerate_boot_option(opt, volume_handles, count);
- if (ret != EFI_SUCCESS)
- goto out;
-
- /*
- * System hardware configuration may vary depending on the user setup.
- * The boot option is automatically added by the bootmenu.
- * If the device is not attached to the system, the boot option needs
- * to be deleted.
- */
- ret = eficonfig_delete_invalid_boot_option(opt, count);
- if (ret != EFI_SUCCESS)
- goto out;
-
- /* add non-existent boot option */
- for (i = 0; i < count; i++) {
- u32 boot_index;
- u16 var_name[9];
-
- if (!opt[i].exist) {
- ret = eficonfig_get_unused_bootoption(var_name, sizeof(var_name),
- &boot_index);
- if (ret != EFI_SUCCESS)
- goto out;
-
- ret = efi_set_variable_int(var_name, &efi_global_variable_guid,
- EFI_VARIABLE_NON_VOLATILE |
- EFI_VARIABLE_BOOTSERVICE_ACCESS |
- EFI_VARIABLE_RUNTIME_ACCESS,
- opt[i].size, opt[i].lo, false);
- if (ret != EFI_SUCCESS)
- goto out;
-
- ret = eficonfig_append_bootorder(boot_index);
- if (ret != EFI_SUCCESS) {
- efi_set_variable_int(var_name, &efi_global_variable_guid,
- 0, 0, NULL, false);
- goto out;
- }
- }
- }
-
-out:
- if (opt) {
- for (i = 0; i < count; i++)
- free(opt[i].lo);
- }
- free(opt);
- efi_free_pool(volume_handles);
-
- return ret;
-}
-
-/**
* eficonfig_init() - do required initialization for eficonfig command
*
* Return: status code
@@ -2709,8 +2313,8 @@ static int do_eficonfig(struct cmd_tbl *cmdtp, int flag, int argc, char *const a
if (ret != EFI_SUCCESS)
return CMD_RET_FAILURE;
- ret = eficonfig_generate_media_device_boot_option();
- if (ret != EFI_SUCCESS && ret != EFI_NOT_FOUND)
+ ret = efi_bootmgr_update_media_device_boot_option();
+ if (ret != EFI_SUCCESS)
return ret;
while (1) {