Add support for specifying the parameters needed for capsule
generation through a config file, instead of passing them through
command-line. Parameters for more than a single capsule file can be
specified, resulting in generation of multiple capsules through a
single invocation of the command.
This path is to be used for generating capsules through a make target,
with the parameters being parsed from the config file.
Signed-off-by: Sughosh Ganu
---
Changes since V1:
* Add a cfg-file parameter to pass the config file to the mkeficapsule
tool. This results in generation of the same tool image irrespective
of using command-line parameters or config file.
tools/Kconfig | 9 +
tools/Makefile | 1 +
tools/eficapsule.h | 110
tools/mkeficapsule.c | 84 +
tools/mkeficapsule_parse.c | 345 +
5 files changed, 519 insertions(+), 30 deletions(-)
create mode 100644 tools/mkeficapsule_parse.c
diff --git a/tools/Kconfig b/tools/Kconfig
index 539708f277..95f27b7c45 100644
--- a/tools/Kconfig
+++ b/tools/Kconfig
@@ -98,6 +98,15 @@ config TOOLS_MKEFICAPSULE
optionally sign that file. If you want to enable UEFI capsule
update feature on your target, you certainly need this.
+config EFI_CAPSULE_CFG_FILE
+ string "Path to the EFI Capsule Config File"
+ default ""
+ help
+ Path to the EFI capsule config file which provides the
+ parameters needed to build capsule(s). Parameters can be
+ provided for multiple payloads resulting in corresponding
+ capsule images being generated.
+
menuconfig FSPI_CONF_HEADER
bool "FlexSPI Header Configuration"
help
diff --git a/tools/Makefile b/tools/Makefile
index a5558eeb4d..833d8292e3 100644
--- a/tools/Makefile
+++ b/tools/Makefile
@@ -250,6 +250,7 @@ HOSTLDLIBS_mkeficapsule += \
HOSTLDLIBS_mkeficapsule += \
$(shell pkg-config --libs uuid 2> /dev/null || echo "-luuid")
hostprogs-$(CONFIG_TOOLS_MKEFICAPSULE) += mkeficapsule
+mkeficapsule-objs := mkeficapsule.o mkeficapsule_parse.o
# We build some files with extra pedantic flags to try to minimize things
# that won't build on some weird host compiler -- though there are lots of
diff --git a/tools/eficapsule.h b/tools/eficapsule.h
index 072a4b5598..42e66c6d6a 100644
--- a/tools/eficapsule.h
+++ b/tools/eficapsule.h
@@ -52,6 +52,38 @@ typedef struct {
/* flags */
#define CAPSULE_FLAGS_PERSIST_ACROSS_RESET 0x0001
+enum capsule_type {
+ CAPSULE_NORMAL_BLOB = 0,
+ CAPSULE_ACCEPT,
+ CAPSULE_REVERT,
+};
+
+/**
+ * struct efi_capsule_params - Capsule parameters
+ * @image_guid: Guid value of the payload input image
+ * @image_index: Image index value
+ * @hardware_instance: Hardware instance to be used for the image
+ * @monotonic_count: Monotonic count value to be used for signed capsule
+ * @privkey_file: Path to private key used in capsule signing
+ * @cert_file: Path to public key certificate used in capsule signing
+ * @input_file: Path to payload input image
+ * @capsule_file: Path to the output capsule file
+ * @oemflags: Oemflags to be populated in the capsule header
+ * @capsule: Capsule Type, normal or accept or revert
+ */
+struct efi_capsule_params {
+ efi_guid_t *image_guid;
+ unsigned long image_index;
+ unsigned long hardware_instance;
+ uint64_t monotonic_count;
+ char *privkey_file;
+ char *cert_file;
+ char *input_file;
+ char *capsule_file;
+ unsigned long oemflags;
+ enum capsule_type capsule;
+};
+
struct efi_capsule_header {
efi_guid_t capsule_guid;
uint32_t header_size;
@@ -113,4 +145,82 @@ struct efi_firmware_image_authentication {
struct win_certificate_uefi_guid auth_info;
} __packed;
+/**
+ * capsule_with_cfg_file() - Generate capsule from config file
+ * @cfg_file: Path to the config file
+ *
+ * Parse the capsule parameters from the config file and use the
+ * parameters for generating one or more capsules.
+ *
+ * Return: None
+ *
+ */
+void capsule_with_cfg_file(const char *cfg_file);
+
+/**
+ * convert_uuid_to_guid() - convert UUID to GUID
+ * @buf: UUID binary
+ *
+ * UUID and GUID have the same data structure, but their binary
+ * formats are different due to the endianness. See lib/uuid.c.
+ * Since uuid_parse() can handle only UUID, this function must
+ * be called to get correct data for GUID when parsing a string.
+ *
+ * The correct data will be returned in @buf.
+ */
+void convert_uuid_to_guid(unsigned char *buf);
+
+/**
+ * create_empty_capsule() - Generate an empty capsule
+ * @path: Path to the empty capsule file to be generated
+ * @guid: Guid value of the image for which empty capsule is generated
+ * @fw_accept: Flag to specify whether to generate accept or revert capsule
+ *
+ * Generate an empty capsule, either an accept or a revert capsule to be
+ * used to flag
