diff options
Diffstat (limited to 'include/bootflow.h')
| -rw-r--r-- | include/bootflow.h | 22 |
1 files changed, 20 insertions, 2 deletions
diff --git a/include/bootflow.h b/include/bootflow.h index 4152577afb..42112874f6 100644 --- a/include/bootflow.h +++ b/include/bootflow.h @@ -43,9 +43,14 @@ enum bootflow_state_t { * and it is using the prior-stage FDT, which is the U-Boot control FDT. * This is only possible with the EFI bootmeth (distro-efi) and only when * CONFIG_OF_HAS_PRIOR_STAGE is enabled + * @BOOTFLOWF_STATIC_BUF: Indicates that @bflow->buf is statically set, rather + * than being allocated by malloc(). + * @BOOTFLOWF_USE_BUILTIN_FDT : Indicates that current bootflow uses built-in FDT */ enum bootflow_flags_t { BOOTFLOWF_USE_PRIOR_FDT = 1 << 0, + BOOTFLOWF_STATIC_BUF = 1 << 1, + BOOTFLOWF_USE_BUILTIN_FDT = 1 << 2, }; /** @@ -72,7 +77,7 @@ enum bootflow_flags_t { * @fname: Filename of bootflow file (allocated) * @logo: Logo to display for this bootflow (BMP format) * @logo_size: Size of the logo in bytes - * @buf: Bootflow file contents (allocated) + * @buf: Bootflow file contents (allocated unless @flags & BOOTFLOWF_STATIC_BUF) * @size: Size of bootflow file in bytes * @err: Error number received (0 if OK) * @os_name: Name of the OS / distro being booted, or NULL if not known @@ -83,6 +88,7 @@ enum bootflow_flags_t { * @flags: Flags for the bootflow (see enum bootflow_flags_t) * @cmdline: OS command line, or NULL if not known (allocated) * @x86_setup: Pointer to x86 setup block inside @buf, NULL if not present + * @bootmeth_priv: Private data for the bootmeth */ struct bootflow { struct list_head bm_node; @@ -107,7 +113,8 @@ struct bootflow { ulong fdt_addr; int flags; char *cmdline; - char *x86_setup; + void *x86_setup; + void *bootmeth_priv; }; /** @@ -351,6 +358,17 @@ void bootflow_free(struct bootflow *bflow); int bootflow_boot(struct bootflow *bflow); /** + * bootflow_read_all() - Read all bootflow files + * + * Some bootmeths delay reading of large files until booting is requested. This + * causes those files to be read. + * + * @bflow: Bootflow to read + * Return: result of trying to read + */ +int bootflow_read_all(struct bootflow *bflow); + +/** * bootflow_run_boot() - Try to boot a bootflow * * @iter: Current iteration (or NULL if none). Used to disable a bootmeth if the |