21 static bool mdt_header_valid(const struct firmware *fw)  in mdt_header_valid()  argument
27 	if (fw->size < sizeof(*ehdr))  in mdt_header_valid()
30 	ehdr = (struct elf32_hdr *)fw->data;  in mdt_header_valid()
39 	if (phend > fw->size)  in mdt_header_valid()
47 		if (shend > fw->size)  in mdt_header_valid()
105  * @fw:		firmware object for the mdt file
109 ssize_t qcom_mdt_get_size(const struct firmware *fw)  in qcom_mdt_get_size()  argument
118 	if (!mdt_header_valid(fw))  in qcom_mdt_get_size()
121 	ehdr = (struct elf32_hdr *)fw->data;  in qcom_mdt_get_size()
122 	phdrs = (struct elf32_phdr *)(fw->data + ehdr->e_phoff);  in qcom_mdt_get_size()
143  * @fw:		firmware of mdt header or mbn
160 void *qcom_mdt_read_metadata(const struct firmware *fw, size_t *data_len,  in qcom_mdt_read_metadata()  argument
173 	if (!mdt_header_valid(fw))  in qcom_mdt_read_metadata()
176 	ehdr = (struct elf32_hdr *)fw->data;  in qcom_mdt_read_metadata()
177 	phdrs = (struct elf32_phdr *)(fw->data + ehdr->e_phoff);  in qcom_mdt_read_metadata()
205 	memcpy(data, fw->data, ehdr_size);  in qcom_mdt_read_metadata()
207 	if (ehdr_size + hash_size == fw->size) {  in qcom_mdt_read_metadata()
210 		memcpy(data + ehdr_size, fw->data + hash_offset, hash_size);  in qcom_mdt_read_metadata()
211 	} else if (phdrs[hash_segment].p_offset + hash_size <= fw->size) {  in qcom_mdt_read_metadata()
214 		memcpy(data + ehdr_size, fw->data + hash_offset, hash_size);  in qcom_mdt_read_metadata()
233  * @fw:		firmware object for the mdt file
241 int qcom_mdt_pas_init(struct device *dev, const struct firmware *fw,  in qcom_mdt_pas_init()  argument
256 	if (!mdt_header_valid(fw))  in qcom_mdt_pas_init()
259 	ehdr = (struct elf32_hdr *)fw->data;  in qcom_mdt_pas_init()
260 	phdrs = (struct elf32_phdr *)(fw->data + ehdr->e_phoff);  in qcom_mdt_pas_init()
278 	metadata = qcom_mdt_read_metadata(fw, &metadata_len, fw_name, dev);  in qcom_mdt_pas_init()
307 static bool qcom_mdt_bins_are_split(const struct firmware *fw)  in qcom_mdt_bins_are_split()  argument
314 	ehdr = (struct elf32_hdr *)fw->data;  in qcom_mdt_bins_are_split()
315 	phdrs = (struct elf32_phdr *)(fw->data + ehdr->e_phoff);  in qcom_mdt_bins_are_split()
328 		if (seg_start > fw->size || seg_end > fw->size)  in qcom_mdt_bins_are_split()
335 static int __qcom_mdt_load(struct device *dev, const struct firmware *fw,  in __qcom_mdt_load()  argument
352 	if (!fw || !mem_region || !mem_phys || !mem_size)  in __qcom_mdt_load()
355 	if (!mdt_header_valid(fw))  in __qcom_mdt_load()
358 	is_split = qcom_mdt_bins_are_split(fw);  in __qcom_mdt_load()
359 	ehdr = (struct elf32_hdr *)fw->data;  in __qcom_mdt_load()
360 	phdrs = (struct elf32_phdr *)(fw->data + ehdr->e_phoff);  in __qcom_mdt_load()
414 			if (phdr->p_offset + phdr->p_filesz > fw->size) {  in __qcom_mdt_load()
421 			memcpy(ptr, fw->data + phdr->p_offset, phdr->p_filesz);  in __qcom_mdt_load()
440  * qcom_mdt_load() - load the firmware which header is loaded as fw
442  * @fw:		firmware object for the mdt file
452 int qcom_mdt_load(struct device *dev, const struct firmware *fw,  in qcom_mdt_load()  argument
459 	ret = qcom_mdt_pas_init(dev, fw, firmware, pas_id, mem_phys, NULL);  in qcom_mdt_load()
463 	return __qcom_mdt_load(dev, fw, firmware, mem_region, mem_phys,  in qcom_mdt_load()
469  * qcom_mdt_load_no_init() - load the firmware which header is loaded as fw
471  * @fw:		firmware object for the mdt file
480 int qcom_mdt_load_no_init(struct device *dev, const struct firmware *fw,  in qcom_mdt_load_no_init()  argument
484 	return __qcom_mdt_load(dev, fw, firmware, mem_region, mem_phys,  in qcom_mdt_load_no_init()