On Tue, Apr 18, 2017 at 04:18:48PM -0500, Tom Lendacky wrote:
> Add a function that will determine if a supplied physical address matches
> the address of an EFI table.
>
> Signed-off-by: Tom Lendacky <thomas.lendacky@xxxxxxx>
> ---
> drivers/firmware/efi/efi.c | 33 +++++++++++++++++++++++++++++++++
> include/linux/efi.h | 7 +++++++
> 2 files changed, 40 insertions(+)
>
> diff --git a/drivers/firmware/efi/efi.c b/drivers/firmware/efi/efi.c
> index b372aad..8f606a3 100644
> --- a/drivers/firmware/efi/efi.c
> +++ b/drivers/firmware/efi/efi.c
> @@ -55,6 +55,25 @@ struct efi __read_mostly efi = {
> };
> EXPORT_SYMBOL(efi);
>
> +static unsigned long *efi_tables[] = {
> + &efi.mps,
> + &efi.acpi,
> + &efi.acpi20,
> + &efi.smbios,
> + &efi.smbios3,
> + &efi.sal_systab,
> + &efi.boot_info,
> + &efi.hcdp,
> + &efi.uga,
> + &efi.uv_systab,
> + &efi.fw_vendor,
> + &efi.runtime,
> + &efi.config_table,
> + &efi.esrt,
> + &efi.properties_table,
> + &efi.mem_attr_table,
> +};
> +
> static bool disable_runtime;
> static int __init setup_noefi(char *arg)
> {
> @@ -854,6 +873,20 @@ int efi_status_to_err(efi_status_t status)
> return err;
> }
>
> +bool efi_table_address_match(unsigned long phys_addr)
efi_is_table_address() reads easier/better in the code.
--
Regards/Gruss,
Boris.
Good mailing practices for 400: avoid top-posting and trim the reply.
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