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- // SPDX-License-Identifier: GPL-2.0+
- /*
- * Bootmethod for EFI boot manager
- *
- * Copyright 2021 Google LLC
- * Written by Simon Glass <sjg@chromium.org>
- */
- #define LOG_CATEGORY UCLASS_BOOTSTD
- #include <common.h>
- #include <bootdev.h>
- #include <bootflow.h>
- #include <bootmeth.h>
- #include <command.h>
- #include <dm.h>
- /**
- * struct efi_mgr_priv - private info for the efi-mgr driver
- *
- * @fake_bootflow: Fake a valid bootflow for testing
- */
- struct efi_mgr_priv {
- bool fake_dev;
- };
- void sandbox_set_fake_efi_mgr_dev(struct udevice *dev, bool fake_dev)
- {
- struct efi_mgr_priv *priv = dev_get_priv(dev);
- priv->fake_dev = fake_dev;
- }
- static int efi_mgr_check(struct udevice *dev, struct bootflow_iter *iter)
- {
- int ret;
- /* Must be an bootstd device */
- ret = bootflow_iter_check_system(iter);
- if (ret)
- return log_msg_ret("net", ret);
- return 0;
- }
- static int efi_mgr_read_bootflow(struct udevice *dev, struct bootflow *bflow)
- {
- struct efi_mgr_priv *priv = dev_get_priv(dev);
- if (priv->fake_dev) {
- bflow->state = BOOTFLOWST_READY;
- return 0;
- }
- /* To be implemented */
- return -EINVAL;
- }
- static int efi_mgr_read_file(struct udevice *dev, struct bootflow *bflow,
- const char *file_path, ulong addr, ulong *sizep)
- {
- /* Files are loaded by the 'bootefi bootmgr' command */
- return -ENOSYS;
- }
- static int efi_mgr_boot(struct udevice *dev, struct bootflow *bflow)
- {
- int ret;
- /* Booting is handled by the 'bootefi bootmgr' command */
- ret = run_command("bootefi bootmgr", 0);
- return 0;
- }
- static int bootmeth_efi_mgr_bind(struct udevice *dev)
- {
- struct bootmeth_uc_plat *plat = dev_get_uclass_plat(dev);
- plat->desc = "EFI bootmgr flow";
- plat->flags = BOOTMETHF_GLOBAL;
- return 0;
- }
- static struct bootmeth_ops efi_mgr_bootmeth_ops = {
- .check = efi_mgr_check,
- .read_bootflow = efi_mgr_read_bootflow,
- .read_file = efi_mgr_read_file,
- .boot = efi_mgr_boot,
- };
- static const struct udevice_id efi_mgr_bootmeth_ids[] = {
- { .compatible = "u-boot,efi-bootmgr" },
- { }
- };
- U_BOOT_DRIVER(bootmeth_efi_mgr) = {
- .name = "bootmeth_efi_mgr",
- .id = UCLASS_BOOTMETH,
- .of_match = efi_mgr_bootmeth_ids,
- .ops = &efi_mgr_bootmeth_ops,
- .bind = bootmeth_efi_mgr_bind,
- .priv_auto = sizeof(struct efi_mgr_priv),
- };
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