diff options
| author | Simon Glass | 2022-07-30 15:52:32 -0600 |
|---|---|---|
| committer | Tom Rini | 2022-08-12 08:17:11 -0400 |
| commit | 4c7418f3efbc0e193caa0f5af2b3d750af47854d (patch) | |
| tree | aa2327cb3542e93a1f78c580d832ec07e171be8b /include | |
| parent | 98887ab802e4118e7c813e5e052678772fa1b3a8 (diff) | |
vbe: Add initial support for VBE
Create a new bootmeth for VBE along with a library to handle finding the
VBE methods.
Signed-off-by: Simon Glass <sjg@chromium.org>
Diffstat (limited to 'include')
| -rw-r--r-- | include/bootstd.h | 2 | ||||
| -rw-r--r-- | include/vbe.h | 48 |
2 files changed, 50 insertions, 0 deletions
diff --git a/include/bootstd.h b/include/bootstd.h index b002365f4f0..01be249d16e 100644 --- a/include/bootstd.h +++ b/include/bootstd.h @@ -26,6 +26,7 @@ struct udevice; * @glob_head: Head for the global list of all bootflows across all bootdevs * @bootmeth_count: Number of bootmeth devices in @bootmeth_order * @bootmeth_order: List of bootmeth devices to use, in order, NULL-terminated + * @vbe_bootmeth: Currently selected VBE bootmeth, NULL if none */ struct bootstd_priv { const char **prefixes; @@ -35,6 +36,7 @@ struct bootstd_priv { struct list_head glob_head; int bootmeth_count; struct udevice **bootmeth_order; + struct udevice *vbe_bootmeth; }; /** diff --git a/include/vbe.h b/include/vbe.h new file mode 100644 index 00000000000..b83f6f0c519 --- /dev/null +++ b/include/vbe.h @@ -0,0 +1,48 @@ +/* SPDX-License-Identifier: GPL-2.0+ */ +/* + * Verified Boot for Embedded (VBE) support + * See doc/develop/vbe.rst + * + * Copyright 2022 Google LLC + * Written by Simon Glass <sjg@chromium.org> + */ + +#ifndef __VBE_H +#define __VBE_H + +/** + * vbe_list() - List the VBE bootmeths + * + * This shows a list of the VBE bootmeth devices + * + * @return 0 (always) + */ +int vbe_list(void); + +/** + * vbe_find_by_any() - Find a VBE bootmeth by name or sequence + * + * @name: name (e.g. "vbe-simple"), or sequence ("2") to find + * @devp: returns the device found, on success + * Return: 0 if OK, -ve on error + */ +int vbe_find_by_any(const char *name, struct udevice **devp); + +/** + * vbe_find_first_device() - Find the first VBE bootmeth + * + * @devp: Returns first available VBE bootmeth, or NULL if none + * Returns: 0 (always) + */ +int vbe_find_first_device(struct udevice **devp); + +/** + * vbe_find_next_device() - Find the next available VBE bootmeth + * + * @devp: Previous device to start from. Returns next available VBE bootmeth, + * or NULL if none + * Returns: 0 (always) + */ +int vbe_find_next_device(struct udevice **devp); + +#endif |