diff options
Diffstat (limited to 'include')
| -rw-r--r-- | include/bootdev.h | 17 | ||||
| -rw-r--r-- | include/bootflow.h | 14 |
2 files changed, 30 insertions, 1 deletions
diff --git a/include/bootdev.h b/include/bootdev.h index 65d14f24686..b1e320a7d8e 100644 --- a/include/bootdev.h +++ b/include/bootdev.h @@ -316,6 +316,23 @@ int bootdev_hunt(const char *spec, bool show); */ int bootdev_hunt_prio(enum bootdev_prio_t prio, bool show); +/** + * bootdev_hunt_and_find_by_label() - Hunt for bootdevs by label + * + * Runs the hunter for the label, then tries to find the bootdev, possible + * created by the hunter + * + * @label: Label to look up (e.g. "mmc1" or "mmc0") + * @devp: Returns the bootdev device found, or NULL if none (note it does not + * return the media device, but its bootdev child) + * @method_flagsp: If non-NULL, returns any flags implied by the label + * (enum bootflow_meth_flags_t), 0 if none. Unset if function fails + * Return: 0 if OK, -EINVAL if the uclass is not supported by this board, + * -ENOENT if there is no device with that number + */ +int bootdev_hunt_and_find_by_label(const char *label, struct udevice **devp, + int *method_flagsp); + #if CONFIG_IS_ENABLED(BOOTSTD) /** * bootdev_setup_for_dev() - Bind a new bootdev device (deprecated) diff --git a/include/bootflow.h b/include/bootflow.h index 4012f4b8a82..81dbcd6754b 100644 --- a/include/bootflow.h +++ b/include/bootflow.h @@ -99,7 +99,10 @@ struct bootflow { * Internal flags: * @BOOTFLOWF_SINGLE_DEV: (internal) Just scan one bootdev * @BOOTFLOWF_SKIP_GLOBAL: (internal) Don't scan global bootmeths - * this uclass + * @BOOTFLOWF_SINGLE_UCLASS: (internal) Keep scanning through all devices in + * this uclass (used with things like "mmc") + * @BOOTFLOWF_SINGLE_MEDIA: (internal) Scan one media device in the uclass (used + * with things like "mmc1") */ enum bootflow_flags_t { BOOTFLOWF_FIXED = 1 << 0, @@ -113,6 +116,8 @@ enum bootflow_flags_t { */ BOOTFLOWF_SINGLE_DEV = 1 << 16, BOOTFLOWF_SKIP_GLOBAL = 1 << 17, + BOOTFLOWF_SINGLE_UCLASS = 1 << 18, + BOOTFLOWF_SINGLE_MEDIA = 1 << 19, }; /** @@ -124,10 +129,17 @@ enum bootflow_flags_t { * * @BOOTFLOW_METHF_DHCP_ONLY: Only use dhcp (scripts and EFI) * @BOOTFLOW_METHF_PXE_ONLY: Only use pxe (PXE boot) + * @BOOTFLOW_METHF_SINGLE_DEV: Scan only a single bootdev (used for labels like + * "3"). This is used if a sequence number is provided instead of a label + * @BOOTFLOW_METHF_SINGLE_UCLASS: Scan all bootdevs in this one uclass (used + * with things like "mmc"). If this is not set, then the bootdev has an integer + * value in the label (like "mmc2") */ enum bootflow_meth_flags_t { BOOTFLOW_METHF_DHCP_ONLY = 1 << 0, BOOTFLOW_METHF_PXE_ONLY = 1 << 1, + BOOTFLOW_METHF_SINGLE_DEV = 1 << 2, + BOOTFLOW_METHF_SINGLE_UCLASS = 1 << 3, }; /** |