47  * microcode patch we found to match.
61  * Microcode patch container file is prepended to the initrd in cpio
148  * Check whether there is a valid, non-truncated microcode patch section at the
152  * On success, @sh_psize returns the patch size according to the section header,
163 			pr_debug("Truncated patch section.\n");  in __verify_patch_section()
182 			pr_debug("Patch of size %u too short.\n", p_size);  in __verify_patch_section()
194  * a patch of the indicated @sh_psize (and also whether this size does not
227  * Verify the patch in @buf.
231  * positive: patch is not for this family, skip it
254 	 * Check if the remaining buffer is big enough to contain a patch of  in verify_patch()
259 			pr_debug("Patch of size %u truncated.\n", sh_psize);  in verify_patch()
267 			pr_debug("Per-family patch size mismatch.\n");  in verify_patch()
276 			pr_err("Patch-ID 0x%08x: chipset-specific code unsupported.\n", mc_hdr->patch_id);  in verify_patch()
313 	 * doesn't contain a patch for the CPU, scan through the whole container  in parse_container()
333 			 * Patch verification failed, skip to the next  in parse_container()
348 		/* Skip patch section header too: */  in parse_container()
354 	 * If we have found a patch (desc->mc), it means we're looking at the  in parse_container()
355 	 * container which has a patch for this CPU so return 0 to mean, @ucode  in parse_container()
398 	/* verify patch application was successful */  in __apply_microcode_amd()
408  * patch container file in initrd, traverse equivalent cpu table, look for a
409  * matching microcode patch, and update, all in initrd memory in place.
421 	u8 (*patch)[PATCH_MAX_SIZE];  in apply_microcode_early_amd()  local
428 	patch	= (u8 (*)[PATCH_MAX_SIZE])__pa_nodebug(&amd_ucode_patch);  in apply_microcode_early_amd()
431 	patch	= &amd_ucode_patch;  in apply_microcode_early_amd()
457 			memcpy(patch, mc, min_t(u32, desc.psize, PATCH_MAX_SIZE));  in apply_microcode_early_amd()
538 	 * Check whether a new patch has been saved already. Also, allow application of  in load_ucode_amd_ap()
624 				/* we already have the latest patch */  in update_cache()
636 	/* no patch found, add it */  in update_cache()
672 	 * a patch could have been loaded early, set uci->mc so that  in collect_cpu_info_amd()
706 	/* need to apply patch? */  in apply_microcode_amd()
772  * we can skip over the next patch. If we return a negative value, we
781 	struct ucode_patch *patch;  in verify_and_add_patch()  local
789 	patch = kzalloc(sizeof(*patch), GFP_KERNEL);  in verify_and_add_patch()
790 	if (!patch) {  in verify_and_add_patch()
791 		pr_err("Patch allocation failure.\n");  in verify_and_add_patch()
795 	patch->data = kmemdup(fw + SECTION_HDR_SIZE, *patch_size, GFP_KERNEL);  in verify_and_add_patch()
796 	if (!patch->data) {  in verify_and_add_patch()
797 		pr_err("Patch data allocation failure.\n");  in verify_and_add_patch()
798 		kfree(patch);  in verify_and_add_patch()
801 	patch->size = *patch_size;  in verify_and_add_patch()
806 	INIT_LIST_HEAD(&patch->plist);  in verify_and_add_patch()
807 	patch->patch_id  = mc_hdr->patch_id;  in verify_and_add_patch()
808 	patch->equiv_cpu = proc_id;  in verify_and_add_patch()
811 		 __func__, patch->patch_id, proc_id);  in verify_and_add_patch()
814 	update_cache(patch);  in verify_and_add_patch()
878 	/* save BSP's matching patch for early load */  in load_microcode_amd()