firmware_loader/builtin/main.c

1 // SPDX-License-Identifier: GPL-2.0
24 	if (size < fw->size)  in fw_copy_to_prealloc_buf()
26 	memcpy(buf, fw->data, fw->size);  in fw_copy_to_prealloc_buf()
31  * firmware_request_builtin() - load builtin firmware
35  * Some use cases in the kernel have a requirement so that no memory allocator
36  * is involved as these calls take place early in boot process. An example is
37  * the x86 CPU microcode loader. In these cases all the caller wants is to see
38  * if the firmware was built-in and if so use it right away. This can be used
41  * This looks for the firmware in the built-in kernel. Only if the kernel was
42  * built-in with the firmware you are looking for will this return successfully.
55 		if (strcmp(name, b_fw->name) == 0) {  in firmware_request_builtin()
56 			fw->size = b_fw->size;  in firmware_request_builtin()
57 			fw->data = b_fw->data;  in firmware_request_builtin()
67  * firmware_request_builtin_buf() - load builtin firmware into optional buffer
70  * @buf: If set this lets you use a pre-allocated buffer so that the built-in
75  *	If the built-in firmware does not fit into the pre-allocated @buf this
78  * This looks for the firmware in the built-in kernel. Only if the kernel was
79  * built-in with the firmware you are looking for will this call possibly
81  * built-in firmware fits into the pre-allocated buffer size specified in
100 		if (fw->data == b_fw->data)  in firmware_is_builtin()