int fmpfw_hash_final(struct fmp_info *info, struct hash_data *hdata, void *output)
{
int ret = 0;
unsigned long addr;
struct device *dev = info->dev;
struct hmac_sha256_fmpfw_info *fmpfw_info = hdata->fmpfw_info;
memset(output, 0, hdata->digestsize);
fmpfw_info->s.step = FINAL;
fmpfw_info->s.output = (uint32_t)virt_to_phys(output);
__flush_dcache_area(fmpfw_info, sizeof(*fmpfw_info));
addr = virt_to_phys(fmpfw_info);
reinit_completion(&hdata->async.result->completion);
__dma_unmap_area((void *)output, hdata->digestsize, DMA_FROM_DEVICE);
if (fmpfw_info->hmac_mode) {
ret = exynos_smc(SMC_CMD_FMP, FMP_FW_HMAC_SHA2_TEST, addr, 0);
if (unlikely(ret)) {
dev_err(dev, "Fail to smc call for FMPFW HMAC SHA256 final. ret = 0x%x\n", ret);
ret = -EFAULT;
}
} else {
ret = exynos_smc(SMC_CMD_FMP, FMP_FW_SHA2_TEST, addr, 0);
if (unlikely(ret)) {
dev_err(dev, "Fail to smc call for FMPFW SHA256 final. ret = 0x%x\n", ret);
ret = -EFAULT;
}
}
__dma_unmap_area((void *)output, hdata->digestsize, DMA_FROM_DEVICE);
if (fmpfw_info->hmac_mode)
dev_info(dev, "fmp fw hmac sha256 F/W final is done\n");
else
dev_info(dev, "fmp fw sha256 F/W final is done\n");
kfree(fmpfw_info);
return waitfor(info, hdata->async.result, ret);
}
void arch_sync_dma_for_cpu(struct device *dev, phys_addr_t paddr,
size_t size, enum dma_data_direction dir)
{
__dma_unmap_area(phys_to_virt(paddr), size, dir);
}
