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https://github.com/u-boot/u-boot.git
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efi_loader: add firmware management protocol for raw image
In this commit, a very simple firmware management protocol driver is implemented. It will take a binary image in a capsule file and apply the data using dfu backend storage drivers via dfu_write_by_alt() interface. So "dfu_alt_info" variable should be properly set to specify a device and location to be updated. Please read README.dfu. Signed-off-by: AKASHI Takahiro <takahiro.akashi@linaro.org>
This commit is contained in:
AKASHI Takahiro
Heinrich Schuchardt
parent
f27c201485
commit
bb7e71d33c
6 changed files with 213 additions and 72 deletions
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@ -13,16 +13,66 @@
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#include <image.h>
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#include <linux/list.h>
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/*
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* This FIRMWARE_MANAGEMENT_PROTOCOL driver provides a firmware update
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* method with existing FIT image format, and handles
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* - multiple regions of firmware via DFU
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* but doesn't support
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* - versioning of firmware image
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* - package information
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*/
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const efi_guid_t efi_firmware_image_type_uboot_fit =
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EFI_FIRMWARE_IMAGE_TYPE_UBOOT_FIT_GUID;
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/* Place holder; not supported */
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static
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efi_status_t EFIAPI efi_firmware_get_image_unsupported(
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struct efi_firmware_management_protocol *this,
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u8 image_index,
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void *image,
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efi_uintn_t *image_size)
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{
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EFI_ENTRY("%p %d %p %p\n", this, image_index, image, image_size);
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return EFI_EXIT(EFI_UNSUPPORTED);
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}
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/* Place holder; not supported */
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static
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efi_status_t EFIAPI efi_firmware_check_image_unsupported(
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struct efi_firmware_management_protocol *this,
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u8 image_index,
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const void *image,
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efi_uintn_t *image_size,
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u32 *image_updatable)
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{
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EFI_ENTRY("%p %d %p %p %p\n", this, image_index, image, image_size,
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image_updatable);
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return EFI_EXIT(EFI_UNSUPPORTED);
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}
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/* Place holder; not supported */
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static
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efi_status_t EFIAPI efi_firmware_get_package_info_unsupported(
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struct efi_firmware_management_protocol *this,
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u32 *package_version,
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u16 **package_version_name,
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u32 *package_version_name_maxlen,
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u64 *attributes_supported,
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u64 *attributes_setting)
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{
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EFI_ENTRY("%p %p %p %p %p %p\n", this, package_version,
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package_version_name, package_version_name_maxlen,
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attributes_supported, attributes_setting);
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return EFI_EXIT(EFI_UNSUPPORTED);
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}
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/* Place holder; not supported */
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static
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efi_status_t EFIAPI efi_firmware_set_package_info_unsupported(
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struct efi_firmware_management_protocol *this,
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const void *image,
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efi_uintn_t *image_size,
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const void *vendor_code,
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u32 package_version,
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const u16 *package_version_name)
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{
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EFI_ENTRY("%p %p %p %p %x %p\n", this, image, image_size, vendor_code,
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package_version, package_version_name);
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return EFI_EXIT(EFI_UNSUPPORTED);
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}
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/**
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* efi_get_dfu_info - return information about the current firmware image
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@ -129,6 +179,18 @@ static efi_status_t efi_get_dfu_info(
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return EFI_SUCCESS;
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}
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#ifdef CONFIG_EFI_CAPSULE_FIRMWARE_FIT
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/*
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* This FIRMWARE_MANAGEMENT_PROTOCOL driver provides a firmware update
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* method with existing FIT image format, and handles
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* - multiple regions of firmware via DFU
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* but doesn't support
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* - versioning of firmware image
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* - package information
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*/
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const efi_guid_t efi_firmware_image_type_uboot_fit =
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EFI_FIRMWARE_IMAGE_TYPE_UBOOT_FIT_GUID;
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/**
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* efi_firmware_fit_get_image_info - return information about the current
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* firmware image
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@ -182,19 +244,6 @@ efi_status_t EFIAPI efi_firmware_fit_get_image_info(
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return EFI_EXIT(ret);
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}
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/* Place holder; not supported */
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static
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efi_status_t EFIAPI efi_firmware_get_image_unsupported(
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struct efi_firmware_management_protocol *this,
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u8 image_index,
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void *image,
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efi_uintn_t *image_size)
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{
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EFI_ENTRY("%p %d %p %p\n", this, image_index, image, image_size);
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return EFI_EXIT(EFI_UNSUPPORTED);
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}
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/**
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* efi_firmware_fit_set_image - update the firmware image
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* @this: Protocol instance
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@ -233,54 +282,6 @@ efi_status_t EFIAPI efi_firmware_fit_set_image(
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return EFI_EXIT(EFI_SUCCESS);
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}
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/* Place holder; not supported */
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static
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efi_status_t EFIAPI efi_firmware_check_image_unsupported(
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struct efi_firmware_management_protocol *this,
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u8 image_index,
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const void *image,
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efi_uintn_t *image_size,
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u32 *image_updatable)
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{
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EFI_ENTRY("%p %d %p %p %p\n", this, image_index, image, image_size,
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image_updatable);
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return EFI_EXIT(EFI_UNSUPPORTED);
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}
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/* Place holder; not supported */
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static
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efi_status_t EFIAPI efi_firmware_get_package_info_unsupported(
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struct efi_firmware_management_protocol *this,
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u32 *package_version,
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u16 **package_version_name,
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u32 *package_version_name_maxlen,
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u64 *attributes_supported,
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u64 *attributes_setting)
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{
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EFI_ENTRY("%p %p %p %p %p %p\n", this, package_version,
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package_version_name, package_version_name_maxlen,
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attributes_supported, attributes_setting);
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return EFI_EXIT(EFI_UNSUPPORTED);
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}
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/* Place holder; not supported */
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static
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efi_status_t EFIAPI efi_firmware_set_package_info_unsupported(
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struct efi_firmware_management_protocol *this,
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const void *image,
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efi_uintn_t *image_size,
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const void *vendor_code,
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u32 package_version,
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const u16 *package_version_name)
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{
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EFI_ENTRY("%p %p %p %p %x %p\n", this, image, image_size, vendor_code,
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package_version, package_version_name);
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return EFI_EXIT(EFI_UNSUPPORTED);
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}
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const struct efi_firmware_management_protocol efi_fmp_fit = {
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.get_image_info = efi_firmware_fit_get_image_info,
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.get_image = efi_firmware_get_image_unsupported,
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@ -289,3 +290,114 @@ const struct efi_firmware_management_protocol efi_fmp_fit = {
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.get_package_info = efi_firmware_get_package_info_unsupported,
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.set_package_info = efi_firmware_set_package_info_unsupported,
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};
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#endif /* CONFIG_EFI_CAPSULE_FIRMWARE_FIT */
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#ifdef CONFIG_EFI_CAPSULE_FIRMWARE_RAW
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/*
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* This FIRMWARE_MANAGEMENT_PROTOCOL driver provides a firmware update
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* method with raw data.
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*/
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const efi_guid_t efi_firmware_image_type_uboot_raw =
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EFI_FIRMWARE_IMAGE_TYPE_UBOOT_RAW_GUID;
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/**
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* efi_firmware_raw_get_image_info - return information about the current
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firmware image
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* @this: Protocol instance
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* @image_info_size: Size of @image_info
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* @image_info: Image information
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* @descriptor_version: Pointer to version number
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* @descriptor_count: Pointer to number of descriptors
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* @descriptor_size: Pointer to descriptor size
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* package_version: Package version
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* package_version_name: Package version's name
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*
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* Return information bout the current firmware image in @image_info.
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* @image_info will consist of a number of descriptors.
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* Each descriptor will be created based on "dfu_alt_info" variable.
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*
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* Return status code
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*/
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static
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efi_status_t EFIAPI efi_firmware_raw_get_image_info(
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struct efi_firmware_management_protocol *this,
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efi_uintn_t *image_info_size,
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struct efi_firmware_image_descriptor *image_info,
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u32 *descriptor_version,
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u8 *descriptor_count,
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efi_uintn_t *descriptor_size,
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u32 *package_version,
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u16 **package_version_name)
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{
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efi_status_t ret = EFI_SUCCESS;
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EFI_ENTRY("%p %p %p %p %p %p %p %p\n", this,
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image_info_size, image_info,
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descriptor_version, descriptor_count, descriptor_size,
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package_version, package_version_name);
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if (!image_info_size)
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return EFI_EXIT(EFI_INVALID_PARAMETER);
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if (*image_info_size &&
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(!image_info || !descriptor_version || !descriptor_count ||
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!descriptor_size || !package_version || !package_version_name))
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return EFI_EXIT(EFI_INVALID_PARAMETER);
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ret = efi_get_dfu_info(image_info_size, image_info,
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descriptor_version, descriptor_count,
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descriptor_size,
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package_version, package_version_name,
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&efi_firmware_image_type_uboot_raw);
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return EFI_EXIT(ret);
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}
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/**
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* efi_firmware_raw_set_image - update the firmware image
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* @this: Protocol instance
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* @image_index: Image index number
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* @image: New image
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* @image_size: Size of new image
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* @vendor_code: Vendor-specific update policy
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* @progress: Function to report the progress of update
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* @abort_reason: Pointer to string of abort reason
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*
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* Update the firmware to new image, using dfu. The new image should
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* be a single raw image.
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* @vendor_code, @progress and @abort_reason are not supported.
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*
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* Return: status code
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*/
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static
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efi_status_t EFIAPI efi_firmware_raw_set_image(
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struct efi_firmware_management_protocol *this,
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u8 image_index,
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const void *image,
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efi_uintn_t image_size,
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const void *vendor_code,
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efi_status_t (*progress)(efi_uintn_t completion),
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u16 **abort_reason)
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{
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EFI_ENTRY("%p %d %p %ld %p %p %p\n", this, image_index, image,
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image_size, vendor_code, progress, abort_reason);
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if (!image)
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return EFI_EXIT(EFI_INVALID_PARAMETER);
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if (dfu_write_by_alt(image_index - 1, (void *)image, image_size,
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NULL, NULL))
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return EFI_EXIT(EFI_DEVICE_ERROR);
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return EFI_EXIT(EFI_SUCCESS);
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}
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const struct efi_firmware_management_protocol efi_fmp_raw = {
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.get_image_info = efi_firmware_raw_get_image_info,
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.get_image = efi_firmware_get_image_unsupported,
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.set_image = efi_firmware_raw_set_image,
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.check_image = efi_firmware_check_image_unsupported,
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.get_package_info = efi_firmware_get_package_info_unsupported,
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.set_package_info = efi_firmware_set_package_info_unsupported,
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};
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#endif /* CONFIG_EFI_CAPSULE_FIRMWARE_RAW */
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